CLASSIFICATION OF THE PLANT COMMUNITIES OF BEAVERHEAD, SILVER BOW, AND MADISON COUNTIES, MONTANA VOLUME II (appendices) Robert L. DeVelice Montana Natural Heritage Program 1515 East 6th Ave., Helena, MT 59620 1992 Montana Natural Heritage Prograun for Bureau of Land Management State Office Billings, Montana Assistance Agreement No. E950-A1-0006 Task Order No. 4 This document should be cited as follows: DeVelice, R.L. 1992. Classification of the plant communities of Beaverhead, Silver Bow, and Madison counties, Montana. Volume II (appendices) . Montana Natural Heritage Program, Helena, MT. 167 pp. 3/31/92 S Montana* State 331. 2592counci L on Vllmet VocationaL 1990 Education Montana 's economvt Montana's workforce DATE ISSUED TO CAVLORO 40 CONTENTS APPENDIX A SITE BASIC RECORDS FOR EACH SITE VISITED 2 APPENDIX B PLANT LIST AND IMPORTANCE VALUES OF ALL SPECIES IN SAMPLE PLOTS 59 APPENDIX C COMPREHENSIVE LIST OF SOUTHWESTERN MONTANA PLANT COMMUNITIES 64 APPENDIX D AVERAGE COVER AND CONSTANCY FOR SPECIES IN SAMPLED TYPES 69 APPENDIX E VEGETATION CHARACTERISTICS FOR EACH SAMPLE PLOT .... 85 APPENDIX F SITE CHARACTERISTICS FOR EACH SAMPLE PLOT 91 APPENDIX G ELEMENT OCCURRENCE RECORDS FOR SAMPLE PLOTS 116 APPENDIX H LISTING OF ELEMENT OCCURRENCE RECORDS FOR BLM LANDS . . 165 APPENDIX A SITE BASIC RECORDS FOR EACH SITE VISITED Site Basic Record BLOCK MOUNTAIN From Glen, proceed south on pavement ca. 0.75 mile to the Burma Road. Take this road 7.5 miles to Sandy Hollow. Block Mountain is 1.5 miles northeast. Block Mountain is a flat-topped basalt butte rising ca. 700 feet above the draw to the west. Slopes are very steep and rocky, discouraging access by cattle. Vegetation is primarily Artemisia tridentata shrublands and Agropyron spicatum grasslands. Small amounts of Juniperus scopulorLin woodlands and Cercocarpus ledifolius shrublands occur on the summit and on the rimrocks. COUNTY: Madison USGS QUADRANGLE: BLOCK MOUNTAIN TOUNSHIP-RANGE: 004S008U SECTION: 23 QUARTER/ADDITIONAL SECTIONS: Portions of 23, 24, 25, and 26 BOUNDING RECTANGLE: S: 452734N N: 452824N E: 1123228W W: n23332W BOUNDARY JUSTIFICATION: The primary boundary contains the least disturbed (by cattle) vegetation occurrences on Block Mountain. The boundary encircles the mountain down to the major draws to the west, north, east and southeast. The southwest boundary is defined by the abrupt change in slope gradient along the 5200-feet contour. APPROXIMATE ACREAGE: 340.00 GENERAL RATING: 2 G2? and G3? community elements are present: Agropyron spicatum/Oryzopsis hymenoides and Juniperus scopulorum/Artemisia tridentata, respectively. BIODIVERSITY SIGNIFICANCE: B3 The site contains occurrences of G2? and G3? community elements and common community types in pristine condition. OTHER VALUES: V2 Block Mountain is a prominent and highly aesthetic feature of the landscape. PROTECTION URGENCY: P4 The upper slope and mesa-top vegetation is relatively pristine due to rocky and steep topography isolated from water. It is unlikely that increased cattle disturbance is a threat. The pristine vegetation occurrences make Block Mountain worthy of consideration for ACEC designation. MANAGEMENT URGENCY: M4 The less steep, less rocky side slopes of the mountain have been heavily grazed by cattle and horses in some places. Careful management of livestock to minimize such disturbances would be desirable. CONSERVATION INTENT: Recommend establishment of a BLM ACEC. PROTECTION COMMENTS: The summit of Block Mountain is by coincidence protected from most use by domestic stock since it is surrounded by very steep and rocky slopes. LAND USE: The primary land use has been for livestock grazing and wildlife production. However, no water developments are present on the steep slopes or summit of Block Mountain, so cattle use has been light to nonexistent on these sites. NATURAL HAZARDS: The rimrock cliffs and rattlesnakes may pose hazards. EXOTICS: No exotic plant species currently appear to pose a threat to the quality of this site. OFF-SITE LAND USES: Surrounding lands, particularly those with water developments and gentle slopes to the south, are being used for livestock production, which threatens the ecological condition of the lower portions of the site. INFORMATION NEEDS: MANAGEMENT NEEDS: Do not install water developments, salt blocks, or other cattle attractants on Block Mountain. Under current conditions the mountain appears relatively secure from cattle impacts. MANAGEMENT COMMENTS: ELEMENT OCCURRENCE INFORMATION: NAME: GRANK: SRANK: REF: JUNIPERUS SCOPULORUM-ARTEMISIA TRIDENTATA G2? S2? 001 ARTEMISIA TRIDENTATA/AGROPYRON SPICATUM PA G5 S5 019 AGROPYRON SPICATUM-ORYZOPSIS HYMENOIDES PA • G3? S2? 001 OWNERSHIP/MANAGEMENT: BLM: BUTTE DISTRICT, DILLON RESOURCE AREA PRIVATELY OWNED LAND (INDIVIDUAL OR CORPORATE) Location of sample plots within the Block Mountain site. The map shown is a portion of the USGS 7.5' Block Mountain quadrangle. site Basic Record BUHRER GULCH From Glen, proceed south on pavement ca. 0.75 mile to the Burma Road. Take this road 4.5 miles and park. The prominant badlands 0.4 mile due north constitute this site. The site is characterized by steeply sloping and highly eroded badlands. The sparse vegetation present is dominated by Chrysothamnus nauseosus and Atriplex nuttallii. Locations outside the badlands feature heavily grazed Artemisia tridentata communities on non-saline soils, and Sarcobatus vermiculatus communities on flat, saline soils. COUNTY: Madison USGS QUADRANGLE: BLOC< MOUNTAIN TOUNSHIP-RANGE: 004S008W SECTION: 28 QUARTER/ADDITIONAL SECTIONS: U2 BOUNDING RECTANGLE: S: 452708N N: 452750N E: 1123549W U: 1123627U BOUNDARY JUSTIFICATION: The site is centered on the badlands, featuring the Atriplex nuttal li i/Oryzopsis hymenoides community type. The boundaries generally follow ridge crests to the north, east and west, and the flats near the Burma Road to the south. APPROXIMATE ACREAGE: 160.00 GENERAL RATING: 5 An S2? community element is present (the Atriplex nuttal I i i/Oryzopsis hymenoides type), but it is likely not the best expression of the community type. BIODIVERSITY SIGNIFICANCE: B4 The flatter portions of the site have been heavily degraded by cattle use. OTHER VALUES: V3 The badlands present are aesthetically significant. PROTECTION URGENCY: P2 The steep badland portion of the site receives infrequent cattle visits; however, significant soil disturbance may occur with each visit. Flatter portions of the site are being heavily degraded by cattle. MANAGEMENT URGENCY: M3 Unless cattle use is reduced, the site will likely continue to degrade. CONSERVATION INTENT: PROTECTION COMMENTS: LAND USE: The site is used primarily for cattle production. Cattle only infrequently enter the steep badlands portion of the site. The flat areas have been heavily impacted by cattle use. NATURAL HAZARDS: None known. EXOTICS: Exotic plant species do not appear to pose a threat; however, Opuntia polyacantha cover appears to be increasing substantially on the flatter portions of the site in response to heavy grazing. OFF-SITE LAND USES: INFORMATION NEEDS: MANAGEMENT NEEDS: Reduce cattle numbers and grazing intensity. MANAGEMENT COMMENTS: ELEMENT OCCURRENCE INFORMATION: NAME: GRAN<: SRANK: REF: ATRIPLEX NUTTALLII-ORYZOPSIS HYMENOIDES PA G3G4 S2? 001 OWNERSHIP/MANAGEMENT: BLM: BUTTE DISTRICT, DILLON RESOURCE AREA Location of sarrple plot uithin the Buhner Gulch site. The map shown is a portion of the USGS 7.5' Block Mountain quadrangle. Site Basic Record CENTENNIAL SANDHILLS From Monida, proceed east on main Centennial Valley gravel road ca. 10 miles to a dirt road leading north. Take this road 3 miles to a T intersection. Stay on the most prominent road leading east and continue for 16.5 miles to a Y intersection. The site extends east from this point ca. U mi les. The site is characterized by sandhills of glacially-derived alluvial sands up to 50 feet tall in various stages of stabilization by vegetation. The most stable surfaces feature Artemisia tripartita and A. tridentata/Festuca idahoensis communities, while Agropyron dasystachum/Phacel ia hastata communities occur in blowout areas and more active dune surfaces. Five state rare plant speces are known to occur on the site. COUNTY: Beaverhead USGS QUADRANGLE: LOUER RED ROC< LA 3 :lil ARASIS HOLBOELLII ARAHOL 34,42 22 465 ARABIS NUTTALLII ARANUT 24 1 1 ARENARIA CONGESTA ARECON 22,41 5 48 ARENARIA KINGII AREKIN 29,34 (G4/S1) 3 12 ARENARIA NUTTALLII ARENUT 27,41 3 9 ARNICA LATIFOLIA ARNLAT 1 1 ARTEMISIA DRACUNCULUS ARTDRA 7 54 ARTEMISIA LUDOVICIANA ARTLUD A 23 ASTER CAMPESTRIS ASTCAM 47 1 1 ASTER FALCATUS ASTFAL 52 1 1 ASTER SCOPULORUM ASTSCO 22,35 2 4 ASTRAGALUS ADSURGENS ASTADS 18,44,45,46 4 15 ASTRAGALUS AGRESTIS ASTAGR 52 1 1 ASTRAGALUS CERAMICUS V. APUS ASTCER 37 (G4T3/S1 3C) 1 1 ASTRAGALUS FLEXUOSUS ASTFLE 40 1 1 ASTRAGALUS GILVIFLORUS ASTGIL 20 2 4 ASTRAGALUS 100 known occurrences essentially ineradicable,/ , ^ ''^- survty- TYPE NAME RANK G S ABIES LA5I0CARPA/ALNU5 SINUATA ABIES LASIOCARPA/ARNICA CORDIFOLIA ^ ABIES LASIOCARPA/CALAMAGROSTIS CANADENSIS/^ " ABIES LASIOCARPA/CALAMAGROSTIS RUBESCENS i^ ABIES LASIOCARPA/CAREX GEYERI - ABIES LAS IOC ARPA/ CLEMATIS PSEUDOALPINA ,,. ABIES LAS lOCARPA/ GALIUM TRIFLORUM ABIES LAS lOCARPA/ LEDUM GLANDULOSUM-'^ ABIES LAS lOCARPA/ LINNAEA BOREALIS ' ABIES LAS lOCARPA/ LUZULA HITCHCOCKII ABIES LASIOCARPA/MENZIESIA FERRUGINEA ' ABIES LASIOCARPA-PINUS ALBICAULIS/VACCINIUM SCOPARIUM ABIES LASIOCARPA/RIBES MONTIGENUM ABIES LASIOCARPA/VACCINIUM CESPITOSUM/" ABIES LASIOCARPA/VACCINIUM GLOBULARE •'' ABIES LASIOCARPA/VACCINIUM SCOPARIUM^-^ ABIES LASIOCARPA/XEROPHYLLUM TENAX i^ G4 S4 ■ G5 S5 G5 S5 G5 S4 G4 S4 G4 S3 G4 S4 G4 S4 G5 S5 G5 S5 G5 S5 G5 S5 G5 S4.^TTiaocc G5 S5 G5 S4 G5 S5 G5 S5 AGROPYRON DASYSTACHYUM/PHACELIA HASTATA G2? S2? ^§RQI>xiQN..,si5.i5;iy;.i., ■^■'- 1 le G4 S3 AGROPYRON S PI CATUM/ AGROPYRON SMITHII ^^ AGROPYRON S PI CATUM/ BOUTELOUA GRACILIS . AGROPYRON SPICATUM/ORYZOPSIS HYMENOIDES AGROPYRON SPICATUM/POA SANDBERGII ^ G5 S4 G5 S4 G3? S2 G4 S4 ^^^-cu. ALNUS INCANA G4 S3 64 TYPE NAME RANK G S t/ ARTEMllfl^SkRBUSCULA/AGROPYRON SPICATUM ^^ ARTEMISIA ARBUSCULA/FESTUCA IDAHOENSIS G4G5 S3S4 G5 S3S4 G4 S4 G2 S2 ST/cani -ARTEMISIA CANA/FESTUCA IDAHOENSIS KW^KlBth P^pATIEJDA/ FESTUCA Tt)SHOENSIS ARTEMISIA TRIDENTATA/AGROPYRON SPICATUM ^ -. ARTEMISIA TRIDENTATA/FESTUCA IDAHOENSIS C ARTEMISIA TRIDENTATA/FESTUCA SCABRELLA t^-plTEMrsiA TRTPARTITA/FESTUCA IDAHOENSIS Uir-ona— "" / . — ^ A ATRIPLEX NUTTALLII/ORYZOPSIS HYMENOIDES S M. BETULA GLANDULOSA/CAREX ROSTRATA Q ^mftmA OCCIDENTALIS CALAMAGROSTIS CANADENSIS ^ ^ CAREX AQUATILIS Jc\ -A CAREX LASIOCARPA A CAREX LIMOSA A CAREX NEBRASKENSIS CAREX ROSTRATA t " ^t:arex scopulorum \i A CAREX SIMULATA G5 S5 G5 S4 G4 S4 G5' S3 G3G4 S2? G3? S3? G4 S3^ G4 S4 G5 S4 G5 S4 G3 S3 G4 S3 G5 S5 G4 S4 G3 Sf &.• AP^ CERCOCARPUS LEDIFOLIUS/AGROPYRON SPICATUM' CERCOCARPUS LEDIFOLIUS/FESTUCA IDAHOENSIS G5 S4 G2? S2? Adeschampsia CESPITOSA DESCHAMPSIA CESPITOSA/ CAREX SPP DISTlCHLIi ^^^F- U 1-^ ELEOCHARIS PALUSTRIS £rL£?AL/4^tf^'^£Lj;0CHARIS PAUCIFLORA „ - „ A^A \\ A- ELYMUS CINEREUS ELYMUS CINEREUS/ AGROPYRON SMITHII ELYMUS CINEREUS/FESTUCA IDAHOENSIS ^LV r ; n— T uaj)/T. ■Vli\ EQUISETUM FLUVIATILE 'G4 S4 G4G5 S4 G4 S3 G4? S4 G4 S4'- G4 S2? G4 S3 G4 S3 G4 S4 65 TYPE NAME RANK G S FESTUCA IDAHOENSIS/AGROPYRON CANINUM FESTUCA IDAHOENSIS/AGROPYRON SMITHII "' FESTUCA IDAHOENSIS/AGROPYRON SPICATUM FESTUCA IDAHOENSIS/CAREX FILIFOLIA FESTUCA IDAHOENSIS/CAREX SCIRPOIDEA .. FESTUCA IDAHOENSIS/DESCHAMPSIA CESPITOSA FESTUCA IDAHOENSIS/LEUCOPOA KINGII FESTUCA IDAHOENSIS/STIPA RICHARDSONII FESTUCA S CAERE LLA/AGROPYRON SPICATUM FESTUCA SCABRELLA/ FESTUCA IDAHOENSIS ^^GLYCERIA BOREALIS A ^JUNCUS BALTICUS JUNIPERUS SCOPULORUM JUNIPERUS SCOPULORUM/ ARTEMIS I A TRIDENTATA JUNIPERUS SCOPULORUM/CERCOCARPUS LEDIFOLIUS G4 G4 G4 G3? G2 S4 S4 S4 S3 S2 G3G4 S3 G2G3 S2 G4 S3 G4 84 G4G5 S4 G3 S3 G5G4 S4 G4 S3 G2? S2? G3 S3 S A|AIJJI.4*:lI:CEQPHXLI^,ayREX^ , Uaphalaris arundinacea PICEA SP/CALAMAGROSTIS CANADENSIS PICEA SP/EQUISETUM ARVENSE PICEA SP/GALIUM TRIFLORUM PICEA SP/LINNAEA BOREALIS PICEA SP/PHYSOCARPUS jjj^^lV^cEUS^^^"" " PICEA SP/SENECIO STREPTANTHIFOLIUS PICEA SP/SMILACINA STELLATA PINUS ALBICAULIS PINUS ALBICAULIS-ABIES LASIOCARPA ^^ PINUS ALBICAULIS/CAREX GEYERI ^ PINUS CONTORTA/CALAMAGROSTIS RUBESCENS PINUS CONTORTA/LINNAEA BOREALIS PINUS CONTORTA/PURSHIA TRIDENTATA PINUS CONTORTA/VACCINIUM CESPITOSUM' PINUS CONTORTA/VACCINIUM SCOPARIUM PINUS FLEXILIS/AGROPYRON SPICATUM PINUS FLEXILIS/CERCOCARPUS LEDIFOLIUS PINUS FLEXILIS/FESTUCA IDAHOENSIS PINUS FLEXILIS/JUNIPERUS COMMUNIS 4- ,. (^ o G3 G4 Si S4 G3 S3 G4 S3 G5, S4S5 G4 S4 G4--^' S3 G4 S4 A G4 S4 G4G5 S4S5 G5 S5 G4 ^Vr G5 S5 G5 S5 G3 S3 G5 S5 G5 S5 G5 S4a ^■^3?-- S3? ■ G5 S4 , G5 S4 1 % FESIDA 66 TYPE NAME RANK G S POA PALUSTRIS G4 S4 POA PRATENSIS G5 S5 POPULUS ANGUSTIFOLIA/CORNUS STOLONIFERA G4 S3 POPULUS ANGUSTIFOLIA/POA PRATENSIS G4G5 S4? POPULUS TREMULOIDES/CALAMAGROSTIS RUBESCENS G5 S4 POPULUS T?EMULO IDES/ CORNUS STOLONIFERA G3 S3 /FoPULUS TRICHOCARPA/CORNUS STOLONIFERA G4 S4 (.PPPULUS TRICHOCARPA/POA PRATENSIS G4G5 S4? . POTENTILLA FRUTICOSA/DESCHAMPSIA CESPITOSA IBMPS4 POTENTILLA FRUTICOSA/FESTUCA IDAHOENSIS ..<<<<<<<<<<<<<<.....<:..:-^^ ^^ -o.t™,,./'-^.^ -^-.POTENTILLA FRUTICOSA/FESTUCA SCABRELLA G4 S4 PSEUDOTSUGA MENZIESII/AGROPYRON SPICATUM G4G5 S4 PSEUDOTSUGA MENZIESII/ARCTOSTAPHYLOS UVA-URSI i G4 S4 PSEUDOTSUGA MENZIES I I/ARNICA CORDI FOLIA 1P#TW«!^ PSEUDOTSUGA MENZIESII/CALAMAGROSTIS RUBESCENS ^ G5 S^ PSEUDOTSUGA MENZIESII/CAREX GEYERI G5 S4 PSEUDOTSUGA MENZIESII/CERCOCARPUS LEDIFOLIUS G3? : S3l PSEUDOTSUGA MENZIESII/CORNUS STOLONIFERA G3 S2 PSEUDOTSUGA MENZIESII/FESTUCA IDAHOENSIS G5 S4 PSEUDOTSUGA MENZIESII/FESTUCA SCABRELLA G4 S4 PSEUDOTSUGA MENZIESII/JUNIPERUS COMMUNIS ^^ G5 S4 PSEUDOTSUGA MENZIESII/LINNAEA BOREALIS -^ G4 54 2Q^_£27 PSEUDOTSUGA MENZIESII/PHYSOCARPUS MALVACEUS fS^^HtSti ^PSEUDOTSUGA MENZIESII/SPIRAEA BETULIFOLIA . G5 84 PSEUDOTSUGA MENZIESII/SYMPHORICARPOS ALBUS ^ G5 85 PSEUDOTSUGA MENZIESII/SYMPHORICARPOS OREOPHILUSj G5 S3 PSEUDOTSUGA MENZIESII/VACCINIUM CESPITOSUM u- G5 S5 PSEUDOTSUGA MENZIESII/VACCINIUM GLOBULARE ^ G5 85 "fURSRf l^TRI DENTAT A/A^ ' • G4 S3 W^ - PURSHIA TRIDENTATA/FESTUCA IDAHOENSIS G4G5 S3 t' ''J^ PURSHIA TRIDENTATA/FESTUCA SCABRELLA G4 S3 RHUS AROMATICA/AGROPYRON SPICATUM y^ G4 84 uRHUS AROMATICA/FESTUCA IDAHOENSIS G3 S3 SALIX BEBBIANA SALIX CANDIDA/CAREX ROSTRATA SALIX DRUMMONDIANA SALIX EXIGUA ^' 67 G4 S3 G2 S2 G3 S3 G5 S4 TYPE NAME RANK G S SALIX GEYERIANA/CALAMAGROSTIS CANADENSIS SALIX GEYERIANA/CAREX ROSTRATA SALIX GEYERIANA/DESCHAMPSIA CESPITOSA SALIX GEYERIANA/POA PRATENSIS SALIX LASIANDRA u/SALIX LUTEA/CALAMAGROSTIS CANADENSIS SALIX PLAN I FOLIA/ CARE X AQUATILIS SALIX WOLFII/CAREX AQUATILIS SALIX WOLFII/DESCHAMPSIA CESPITOSA TUS/AGROPYRON SMITHII SARCOBATUS VE ^ -A SCIRPUS ACUTUS ^STIPA COMATA/BOUTELOUA GRACILIS ■\t ^TYPHA LATIFOLIA G5 G5 G4 G5 G3 G3 G4 G4 G4 G4 G5 G5 G5 S4 S5 S3 S4 S2 S3 S3"- S3 S4 S4 S5 <^ficQs;;itfse>'r^ ' S5 Total Number of Community Types =14 0 68 APPENDIX D AVERAGE COVER AND CONSTANCY FOR SPECIES IN SAMPLED TYPES Occurrences of each species in each community type are indicated by two values. The first value indicates the mean cover (in percent) for plots in which the species was present. The second value is the percentage of the total number of plots (in the community type) in which the species was found. In these tables, type number codes are defined as follov/s: TYPE NO. 1 TYPE NO. 2 TYPE NO. 3 TYPE NO. 4 TYPE NO. 5 TYPE NO. 6 TYPE NO. 7 TYPE NO, 8 TYPE NO. 9 TYPE NO. 10 TYPE NO. 11 TYPE NO. 12 TYPE NO. 13 TYPE NO, 14 TYPE NO, 15 TYPE NO, 16 TYPE NO, 17 TYPE NO. 18 TYPE NO, 19 TYPE NO, 20 TYPE NO. 21 PINUS ALBICAULIS-ABIES LASIOCARPA PINUS FLEXILIS/AGROPYRON SPICATUM PINUS FLEXILIS/CERCOCARPUS LEDIFOLIUS PSEUDOTSUGA MENZIESII/CERCOCARPUS LEDIFOLIUS JUNIPERUS SCOPULORUM/ARTEMISIA TRIDENTATA JUNIPERUS SCOPULORUM/CERCOCARPUS LEDIFOLIUS ARTEMISIA ARBUSCULA/AGROPYRON SPICATUM ARTEMISIA TRIDENTATA/ AGROPYRON SPICATUM ARTEMISIA TRIDENTATA/FESTUCA IDAHOENSIS ARTEMISIA TRIPARTITA/FESTUCA IDAHOENSIS ATRIPLEX NUTTALLII/ORYZOPSIS HYMENOIDES CERCOCARPUS LEDIFOLIUS/AGROPYRON SPICATUM CERCOCARPUS LEDIFOLIUS/FESTUCA IDAHOENSIS AGROPYRON DASYSTACHYUM/PHACELIA HASTATA AGROPYRON SPICATUM/ORYZOPSIS HYMENOIDES PICEA/EQUISETUM ARVENSE POPULUS TRICHOCARPA/CORNUS STOLONIFERA SALIX EXIGUA AGROPYRON SMITHII ELYMUS CINEREUS PHYLARIS ARUNDINACEA 69 SPECIES TYPE MO: 1 2 3 4 5 6 7 (M = 2) (M = 1) (N = 4) (M = 4) (N = 2) (N = 8) (N = 1) COV CON COV CON COV CON COV CON COV CON COV CON COV CON TREES ABIES LASIOCARPA JUNIPERUS SCOPULORUM PICEA ENGELMANNII PINUS ALBICAULIS PINUS FLEXILIS POPULUS TRICHOCARPA PSEUDOTSUGA MENZIESII <1 100 <1 50 20 100 10 50 2 100 10 25 7 100 7 100 3 100 1 100 <1 25 11 100 SHRUBS AMELANCHIER UTAHENSIS ARCTOSTAPHYLOS UVA-URSI ARTEMISIA ARBUSCULA ARTEMISIA FRIGIDA ARTEMISIA TRIDENTATA ARTEMISIA TRIPARTITA ATRIPLEX NUTTALLII BETULA OCCIDENTALIS CERCOCARPUS LEDIFOLIUS CHRYSOTHAMNUS NAUSEOSUS CHRYSOTHAMNUS VI SCIO I FLORUS CORNUS STOLONIFERA CORYPHANTHA VIVIPARA ERIOGONUM MICROTHECUM EUROTIA LANATA GUTIERREZIA SAROTHRAE HAPLOPAPPUS SUFFRUTICOSUS JUNIPERUS COMMUNIS LEPTODACTYLON PUNGENS LINNAEA BOREALIS LONICERA INVOLUCRATA OPUNTIA POLYACANTHA PRUNUS VIRGINIANA RHAMNUS ALNIFOLIA RIBES AUREUM RIBES CEREUM RIBES INERME RIBES IRRIGUUM RIBES LUCUSTRE ROSA ACICULARIS SALIX BEBBIANA SAL IX EXIGUA SALIX LASIANDRA SALIX RIGIDA SHEPHEROIA CANADENSIS SYMPHORICARPOS ALBUS SYMPHORICARPOS OREOPHILUS TETRADYMIA CANESCENS <1 50 10 100 1 100 10 1 100 100 <1 <1 50 25 1 7 75 <1 100 28 100 50 100 3 <1 100 3 50 <1 50 1 <1 25 <1 25 <1 <1 <1 <1 2 50 100 100 <1 13 75 15 100 10 <1 50 50 40 100 100 10 100 50 13 50 34 100 50 3 100 50 <1 25 <1 100 1 25 7 100 2 <1 25 <1 100 <1 50 <1 50 <1 25 2 50 <1 100 25 63 <1 13 FORBS ACHILLEA MILLEFOLIUM ACTAEA RUBRA AGASTACHE CUSICKII AGOSERIS GLAUCA ALLIUM CERNUUM ALLIUM TEXTILE ANEMONE MULTIFIDA ANGELICA ARGUTA ANGELICA ROSEANA <1 100 <1 50 <1 100 <1 100 <1 50 <1 50 <1 13 1 63 70 <1 50 <1 100 <1 100 <1 50 <1 TOO <1 <1 25 25 <1 100 <1 100 <1 50 1 13 <1 13 <1 13 SPECIES TYPE NO: 12 3 4 5 6 7 COV CON COV CON COV CON COV CON COV CON COV CON COV CON ANTENNARIA DIMORPHA <1 50 ANTENNARIA MICROPHYLLA ANTENNARIA PARVIFOLIA <1 25 <1 13 ANTENNARIA UMBRINELLA <1 50 ARAB IS FECUNDA ARABIS HOLBOELLII <1 100 <1 100 <1 50 <1 75 ARABIS NUTTALLII ARENARIA CONGESTA ARENARIA KINGII <1 25 1 100 ARENARIA NUTTALLII ARNICA LATIFOLIA ARTEMISIA DRACUNCULUS ARTEMISIA LUOOVICIANA ASTER CAMPESTRIS ASTER FALCATUS ASTER SCOPULORUM ASTRAGALUS ADSURGENS <1 50 ASTRAGALUS AGRESTIS ASTRAGALUS CERAMICUS V. APUS ASTRAGALUS FLEXUOSUS ASTRAGALUS GILVIFLORUS <1 13 ASTRAGALUS KENTROPHYTA <1 100 ASTRAGALUS PLATYTROPIS <1 25 ASTRAGALUS PURSHII <1 13 CAMELINA MICROCARPA CARDAMINE BREUERI CARDAMINE QLIGQSPERMA CASTILLEJA FLAVA <1 50 <1 25 CASTILLEJA LINARIAEFOLIA CASTILLEJA MINIATA <1 100 CENTAUREA MACULOSA CHAENACTIS ALPINA <1 50 CHAENACTIS DOUGLASII CHENOPODIUM ALBUM CIRSIUM ARVENSE CIRSIUM UNDULATUM COMANDRA UMBELLATA CREPIS ACUMINATA CREPIS MODOCENSIS CRYPTANTHA FENDLERI CRYPTANTHA INTERRUPTA <1 100 <1 75 <1 50 <1 63 <1 100 CYMOPTERUS BIPINNATUS DELPHINIUM BICOLOR DESCURAINIA PINNATA DESCURAINIA RICHAROSONII DESCURAINIA SOPHIA DRABA NEMOROSA <1 25 DRABA DENSIFOLIA <1 25 DRABA OLIGOSPERMA <1 50 <1 50 <1 25 EPILOBIUM ALPINUM ERIGERON CAESPITOSUS <1 100 ERIGERON COMPOSITUS <1 100 <1 25 ERIGERON OCHROLEUCUS ERIGERON TWEEDYI <1 100 . <1 50 <1 100 ERIOGONUM OVALI FOLIUM V. CELSUM ERIOGONUM OVALI FOLIUM V. MACRO. ERIOGONUM UMBELLATUM ERYSIMUM ASPERUM <1 25 1 13 ERYSIMUM INCONSPICUUM <1 100 FRAGARIA VIRGINIANA FRASERA SPECIOSA <1 100 GALIUM BOREALE GAURA COCCINEA <1 13 71 <1 25 <1 25 <1 13 <1 100 <1 50 <1 63 <1 25 <1 13 <1 50 <1 13 <1 75 <1 50 <1 63 <1 75 1 <1 38 25 <1 50 <1 50 <1 50 <1 25 <1 13 <1 13 <1 50 <1 50 <1 50 SPECIES TYPE NO: COV CON 2 COV CON 3 COV CON COV CON 5 COV CON 6 COV CON 7 COV CON GAYOPHYTUM RAMOSISSIMUM GERANIUM RICHARDSONII GEUM TRIFLORUM GILIA SPICATA GRINDELIA SQUARROSA HAPLOPAPPUS ACAULIS HAPLOPAPPUS ARMERIOIDES HELIANTHUS PETIOLARIS HEUCHARA PARVI FOLIA HEUCHARA RICHARDSONII HYMENOPAPPUS FILIFOLIUS IRIS MISSOURIENSIS IVESIA GORDONII LAPPULA REDOWSKII LEPIDIUM VIRGINICUM LESQUERELA ALPINA LESQUERELLA PAYSONII? LEWISIA REDIVIVA LINUM PERENNE LITHOSPERMUM INCISUM LOMATIUM TRITERNATUM LUPINUS ARGENTEUS LUPINUS LEUCOPHYLLUS LUPINUS SERICEUS LYGOOESMIA JUNCEA MACHAERANTHERA CANESCENS MELILOTUS OFFICINALIS MENTHA ARVENSIS MENTZELIA ALBICAULIS MENTZELIA DECAPETALA MENTZELIA LAEVICAULIS MERTENSIA LANCEOLATA MERTENSIA OBLONGIFOLIA MERTENSIA VIRIOIS MIMULIS GUTTATUS MIRABILIS LINEARIS OENOTHERA CAESPITOSA OROBANCHE FASCICULATA OROBANCHE LUDOVICIANA OSMORHIZA DEPAUPERATA OXYTROPUS SERICEA PARNASSIA FIMBRIATA PEDICULARIS GROENLANDICA PEDICULAR IS RACEMOSA PENSTEMON ARIDUS PENSTEMON ATTENUATUS PENSTEMON ERIANTHERUS PENSTEMOM RADICOSUS PETROPHYTON CAESPITOSUH PHACELIA GLANDULOSA PHACELIA HASTATA PHACELIA HETEROPHYLLA PHACELIA INCANA PHACELIA LINEARIS PHLOX DIFFUSA PHLOX HOOD 1 1 PHLOX LONGIFOLIA PHLOX MUSCOIDES PHLOX PULVINATA PHYSARIA GEYERI PLANTAGO PATAGONICA POLYGONUM RAMOSISSIMUM POTENTILLA DIVERSIFOLIA <1 <1 2 100 50 <1 100 <1 100 <1 100 1 50 25 25 100 <1 75 <1 25 <1 25 <1 25 <1 <1 25 <1 100 <1 50 <1 25 <1 50 75 <1 75 2 50 <1 100 <1 50 <1 <1 75 <1 <1 50 <1 50 <1 25 <1 25 <1 100 <1 75 <1 50 <1 25 <1 50 <1 25 <1 50 3 13 <1 25 50 <1 25 50 <1 13 300 feet wide) WVSC stream channel WVSB stream bar WVFP flood plain (including levees if appropriate) WVTE terrace slope SLSS SLLS SLMS SLUS short slope, neither upper nor lower (<100 ft) lower slope mid slope upper slope ridge RINR RIWR narrow ridge (<100 ft wide) wide ridge summit (>100 ft wide) bench BNCH bench in mountainous terrain SS = slope shape S - straight or even R - rounded or convex D - depression or concave P - patterned (micro-relief of hummocks and swales) U - undulating pattern of low ridges or knolls and draws = aspect (°) ASP % ELEV EP SA UP % slope elevation (ft) erosion potential soil surface is stable with no evidence of accelerated erosion soil surface is unstable because of lack of protective vegetation cover 92 ET = erosion type NO - none SE - sheet erosion RE - rill erosion GE - gully erosion WE - wind erosion TD - terrace development SL - slide % COVER - % ground cover S - bare soil G - gravel R - rock L - litter and duff W - wood M - moss (also includes Selaginella) BV - basal vegetation O - other (e.g., lichen) SOIL CHARACTERISTICS SUBGROUP = soil subgroup as defined by the Soil Taxonomy DEPTH = estimated soil depth VS - very shallow (<10 inches deep) SH - shallow (10-20 inches deep) MO - moderately deep (20-30 inches deep) DE - deep (30-60 inches deep) VD - very deep (>60 inches deep) TEXTURE = soil texture (e.g., S - sand; SIL - silt loam) CO = coarsest texture in profile FI = finest texture in profile content fragment content in profile fragment content in profile <20% coarse fragment volume) 50% gravel volume) (50-90% gravel volume) % cobble volume) 50-90% cobble volume) stone volume) 0-90% stone volume) FRAGS = coarse fragment MIN = minimum coarse MAX = maximum coarse NO - none to few ( GR - gravelly (20- VG - very gravelly CO - cobbly (20-50 VC - very cobbly ( ST - stony (20-50% VS - very stony (5 EFFER = effervescence in response to 10% HCl ST = depth to strong effervescence (cm) VI = depth to violent effervescence (cm) (note: if strong or violent effervescence does not exist in the profile or if the depth to such 93 effervescence exceeds 50 cm then a value of "99" is indicated) AWHC = available water holding capacity (cm H^O/SO cm soil or cm HjO/number of cm to bedrock) the terms "low", "medium", "high", and "very high" as used in the text in reference to AWHC are defined as follows : low = 0 - 2 . 5 cm medium = 2.6 - 5 . 0 cm high = 5.1 - 7 . 5 cm very high = > 7.6 cm 94 PINUS ALBICAULIS-ABIES LASIOCARPA TYPE NO: 1 LOCATION CHARACTERISTICS PLOT NO. SITE NAME COUNTY - - LEGAL - - T R - S - 91RD 41 NEMESIS MOUNTAIN COLE CREEK RIDGE 91RD 42 NEMESIS MOUNTAIN SOUTHEAST RIOGE BEAVERHEAD BEAVERHEAD US 2E 31 NWNE US IE 36 NENE ENVIRONMENTAL CHARACTERISTICS PLOT NO. PM LF PP SS ASP % ELEV EP ET - - - - % COVER - - - - SGRLUMBVO 91 RD 41 QUAR GMRI RINR R 140 15 9320 UP SE 20 40 20 10 3 0 3 0 91R0 42 QUAR GMRI SLUS P 190 60 8980 UP SE 10 20 30 30 3 1 10 0 SOIL CHARACTERISTICS PLOT NO. SUBGROUP DEPTH TEXTURE CO FI FRAGS MIN MAX EFFER AUHC ST VI 91R0 41 LITHIC CRYOCHREPT SH SL SL GR VG 22 99 1 .4 91RD 42 ARGIC CRYOBOROLL MO SL L NO VG 99 20 3 .9 95 PIMUS FLEXILIS/AGROPYRON SPICATUM TYPE NO: 2 LOCATION CHARACTERISTICS PLOT NO. SITE NAME COUNTY - - LEGAL - - T R - S - 91RD 27 BIG SHEEP CREEK SLIDE SOUTHEAST BEAVERHEAD 15S lOW 10 NESW ENVIRONMENTAL CHARACTERISTICS PLOT NO. PM LF PP SS ASP % ELEV EP ET - - - - % COVER - - - - SGRLUMBVO 91RD 27 LIME MWLS SLMS S 160 65 7000 UP SL 10 50 10 10 1 0 20 0 SOIL CHARACTERISTICS PLOT NO. SUBGROUP DEPTH TEXTURE FRAGS EFFER AWHC CO FI MIN MAX ST VI 91R0 27 TYPIC USTORTHENT HO L SIL VG VG 99 0 3.0 96 PINUS FLEXILIS/CERCtX>RPUS LEDIFOLIUS TYPE MO: 3 LOCATION CHARACTERISTICS PLOT NO. SITE NAME COUNTY 91RD 16 LIME GULCH SPRING SOUTH 91R0 17 QUARTZ HILL GULCH 91RD 26 SCUDOER CREE< EXCLOSURE 91RD 34 SCUDDER CREEK ENVIRONMENTAL CHARACTERISTICS SILVER BOW BEAVERHEAD BEAVERHEAD BEAVERHEAD LEGAL - - R - S - IS 9W 11 NUNW IS 10U 8 NESE 6S 12U 20 NENE 6S 12W 20 NENE PLOT NO. PM LF PP SS ASP ELEV EP ET - - - - % COVER - - - - SGRLUMBVO 91RD 16 LIME RMDC SLMS R 240 40 6220 UP SE 91RD 17 LIME RMDC SLMS P 120 65 6040 UP RE 91RD 26 LIME SCDS RINR R 100 20 6680 SA SE 91RD 34 LIME SCDS SLMS R 280 45 6580 UP SE 20 60 10 10 1 1 3 0 40 40 20 3 1 0 3 0 20 3 10 40 1 1 20 0 20 10 3 30 3 1 30 0 SOIL CHARACTERISTICS PLOT NO. SUBGROUP PTH TEXTURE FRAGS EFFER AWHC CO FI MIN MAX ST VI VS S LS GR VG 0 7 0.3 SH L L NO GR 0 37 5.5 SH SL SL NO VG 3 10 1.7 MO SL L NO VG 6 13 5.1 91RD 16 LITHIC USTORTHENT 91R0 17 LITHIC USTORTHENT 91RD 26 LITHIC USTORTHENT 91RD 34 LITHIC USTORTHENT 97 PSEUDOTSUGA MENZIESI I/CERCOCARPUS LEDIFOLIUS TYPE NO: 4 LOCATION CHARACTERISTICS PLOT NO. SITE NAME COUNTY - - LEGAL - - T R " S - SILVER BOW IS 9U 15 NUNE SILVER BOW IS 9W 15 SWSE SILVER BOW IS 9U 23 SWNE SILVER BOU IS 9U 32 NUNE 91RD 14 LIME GULCH SOUTH 91RD 15 SELUAY SPRING 91RD 19 MOOSE CREEK/MUD SPRING RIDGE 91RD 21 GOAT MOUNTAIN SUMMIT ENVIRONMENTAL CHARACTERISTICS PLOT NO. PM LF PP SS ASP ELEV EP ET - - 7. COVER - - - - G R L U M BV 0 91 RD 14 GRAN RMOC SLMS P 250 65 91RD 15 GRAN RMDC SLMS R 270 35 91RD 19 SCHI RMDC SLUS R 210 50 91RD 21 QUAR RMRI RINR R 190 5 5920 UP RE 10 70 10 3 1 1 3 0 5920 UP RE 10 60 10 20 1 0 3 0 6600 UP SE 20 20 20 30 1 1 10 0 6460 SA SE 3 20 20 40 3 1 10 0 SOIL CHARACTERISTICS PLOT NO. SUBGROUP ;PTH TEXTURE FRAGS EFFER AUHC CO FI MIN MAX ST VI MO S LS GR VG 99 99 1.1 MO S SL GR VG 99 99 1.3 MO L CL GR VG 99 99 3.3 SH SIL CL GR VC 20 35 3.2 91RD 14 TYPIC USTORTHENT 91R0 15 TYPIC USTORTHENT 91R0 19 TYPIC ARGIBOROLL 91RD 21 LITHIC ARGIBOROLL 98 JUNIPERUS SCOPULORUN/MTEMISIA TRIDENTATA TYPE MO: 5 LOCATION CHARACTERISTICS PLOT NO. SITE NAME COUNTY - - LEGAL - T R - S 91 RO 4 BLOCK MOUNTAIN SUMMIT MADISON 91RD 44 SANDY HOLLOW QUARTZITE RIDGE SOUTH MADISON 4S 8U 23 SESE 4S 8W 22 NESE ENVIRONMENTAL CHARACTERISTICS PLOT NO. PM LF PP SS ASP % ELEV EP ET - - - - % COVER - - - SGRLUMBVO 91RD 4 BASA SCPL RINR P 150 9 5995 SA SE 10 30 30 10 1 0 20 0 91RD 44 CONG RMDC SLSS P 180 35 5540 UP SE 20 40 20 3 1 1 20 0 SOIL CHARACTERISTICS PLOT NO. SUBGROUP DEPTH TEXTURE FRAGS EFFER AUHC CO FI MIN MAX ST VI 91RD 4 LITHIC USTORTHENT VS 91RD 44 BOROLLIC LITHIC CALCIORTHIO SH SL SIL NO VG 12 99 2.0 SL L GR VG 99 0 3.0 99 JUNIPERUS SCOPULORUM/CERCOCARPUS LEDIFOLIUS TYPE MO: 6 LOCATION CHARACTERISTICS PLOT NO. SITE NAME COUNTY - - LEGAL - - T R " S - MADISON 4S 8W 22 NESE BEAVERHEAD 5S 8W 16 SWSW BEAVERHEAD 5S 8U 16 SUSE BEAVERHEAD 5S 8U 2 NUSU BEAVERHEAD 5S 8U 2 SUNW BEAVERHEAD 5S 8U 15 NUNU SILVER BOU IS 9U 32 SENE SILVER BOU IS 9U 11 NWNU 91RD 6 91RD 7 91RD 8 91RD 11 91 RD 12 91RD 13 91RD 20 91RD 24 SANDY HOLLOW QUARTZITE RIDGE NORTH HOGBACK SOUTH SUMMIT HOGBACK MICROWAVE STATION HOGBACK NORTH END HOGBACK NORTH RIDGE HOGBACK CENTRAL RIDGE GOAT MOUNTAIN SOUTH RIDGE LIME GULCH SPRING NORTH ENVIRONMENTAL CHARACTERISTICS PLOT NO. PM LF PP SS ASP % ELEV EP ET . , _ - % COVER _ . _ . S G R L W M BV 0 91RD 6 CONG SCDS SLSS R 320 65 5600 SA NO 0 1 60 20 1 20 0 91RD 7 QUAR SCDS SLUS R 335 20 5880 SA SE 3 10 30 30 3 20 0 91RD 8 QUAR RMOS SLUS P 165 65 5750 SA SE 3 10 50 10 1 20 0 91RD 11 QUAR SCDS BNCH S 320 6 5490 UP SE 20 20 20 20 3 10 1 91RD 12 QUAR SCDS SLUS P 285 30 5640 SA SE 10 30 20 10 10 20 1 91RD 13 QUAR RMDS SLUS P 145 80 5460 SA SE 3 20 70 3 1 10 0 91RD 20 LIME SCDS SLMS R 160 25 5560 UP SE 20 40 3 30 1 10 0 91RD 24 LIME RMDC SLUS R 240 15 6240 UP SE 30 20 1 30 1 10 0 SOIL CHARACTERISTICS PLOT NO. SUBGROUP PTH TEXTURE FRAGS EFFER AUHC CO FI MIN MAX ST VI SH L CL ST VG 99 99 2.3 SH LS SL NO VS 99 99 1.7 SH SL L GR VS 0 99 2.4 SH SL L GR VS 99 6 1.7 MO LS SL GR CO 9 20 1.9 SH SL SL CO VS 15 99 3.4 MO L SCL NO GR 0 13 5.6 SH LS SL NO VG 0 7 1.4 91RD 6 91R0 7 91R0 8 91RD 11 91 RD 12 91 RO 13 91RD 20 91RD 24 LITHIC USTORTHENT LITHIC USTORTHENT LITHIC USTIC TORRIORTHENT LITHIC USTIC TORRIORTHENT TYPIC USTORTHENT LITHIC USTIC TORRIORTHENT BOROLLIC CALCIORTHID LITHIC USTIC TORRIORTHENT 100 ARTEMISIA ARBUSCULA/AGROPYRON SPICATUM TYPE MO: 7 LOCATION CHARACTERISTICS PLOT NO. SITE NAME COUNTY - - LEGAL - T R - S 91RD 29 BIG SHEEP CREEK SLIDE SOUTHWEST BEAVERHEAD 15S 10U 10 NUNU ENVIRONMENTAL CHARACTERISTICS PLOT NO. PM LF PP SS ASP % ELEV EP ET - - - - % COVER - - - - SGRLWMBVO 91RD 29 LIME MWLS SLMS S 240 55 7080 UP SL 20 40 1 10 1 0 50 0 SOIL CHARACTERISTICS PLOT NO. SUBGROUP DEPTH TEXTURE FRAGS EFFER AUHC CO FI MIN MAX ST VI 91RD 29 TYPIC USTORTHENT DE L L VG VG 99 0 3.0 101 ARTEMISIA TRIDENTATA/AGROPTRON SPICATUM TYPE HO: 8 LOCATION CHARACTERISTICS PLOT NO. SITE NAME COUNTY - - LEGAL - - T R * S - MAD I SON 4S 8U 26 NENE MADISON 4S 8U 23 SESE MADISON 4S 8W 23 SENE BEAVERHEAD 5S 8W 9 SESW BEAVERHEAD 5S 8W 3 SUNE SILVER BOW IS 9U 23 SESU BEAVERHEAD IS 9U 32 SESW 91RD 2 BLOCK MOUNTAIN SOUTH BLOCK MOUNTAIN CENTER BLOCK MOUNTAIN NORTH HOGBACK SODAK MINE ROAD HOGBACK NORTHWEST MOOSE CREEK/CHICKEN GULCH CONFLUENCE MAIDEN EXCLOSURE SOUTHWEST 91RD 3 91RD 5 91RD 9 91RD 10 91RD 18 91 RD 25 ENVIRONMENTAL CHARACTERISTICS PLOT NO. PH LF PP SS ASP % ELEV EP ET - % COVER . S G R L W M BV 0 91RD 2 BASA RMDC SLUS R 185 40 5600 SA SE 10 40 20 3 0 20 0 91RD 3 BASA SCPL RIWR D 0 0 5990 SA SE 10 30 10 30 1 20 0 91RD 5 BASA RMDC SLMS R 5 40 5660 SA SE 20 20 3 40 1 20 0 91RD 9 QUAR SCDS SLUS R 300 20 5320 SA SE 1 30 10 20 20 20 0 91RD 10 QUAR SCDS SLMS R 295 55 5110 SA SE 3 20 20 10 10 20 10 91RD 18 SCHI RMDC SLMS D 140 40 5940 SA SE 20 40 10 10 0 20 0 91RD 25 MIAL ACTE WVTE S 360 2 5330 SA SE 20 3 0 30 10 30 3 SOIL CHARACTERISTICS PLOT NO. SUBGROUP PTH TEXTURE FRAGS EFFER AWH CO FI MIN MAX ST VI MO SL CL GR CO 10 99 5.5 SH CL GR VC 9 21 3.5 MO CL NO GR 28 99 6.9 SH CL GR VC 7 23 3.2 SH SCL VG VS 99 99 1.2 MO CL NO GR 99 99 5.9 VD LS SL NO VG 28 99 2.5 91RD 2 91RD 3 91RD 5 91RD 9 91RD 10 91RD 18 91RD 25 BOROLLIC CALCIORTHID BOROLLIC LITHIC CALCIORTHID ARIDIC ARGIBOROLL BOROLLIC LITHIC CALCIORTHID LITHIC ARGIBOROLL ARIDIC ARGIBOROLL USTIC TORRIFLUVENT 102 ARTEMISIA TRIDENTATA/FESTUCA IDAHOENSIS TYPE MO: 9 LOCATION CHARACTERISTICS PLOT NO. SITE NAME COUNTY LEGAL - - R - S - 91RD 22 JOHNSON CREE< EXCLOSURE 91RD 32 ELK GULCH MINE SOUTH 91R0 33 ELK GULCH MINE NORTH 91RD 39 CENTENNIAL SANDHILLS EAST #2 SILVER BOW BEAVERHEAD BEAVERHEAD BEAVERHEAD 1N 11W 18 SWNU 9S 7U 2 SWNE 9S 7U 2 SUNE 13S 1W 19 SENW ENVIRONMENTAL CHARACTERISTICS PLOT NO. PM LF PP SS ASP % ELEV EP ET - - % COVER - - . . S G R L U M BV 0 91RD 22 QUAR RMDC RIUR R 190 15 6U0 SA SE 30 10 1 20 1 1 30 10 91RD 32 PERI RMDC SLMS R 120 30 7500 UP SE 30 20 10 20 1 0 20 0 91RD 33 GRGN RMDC SLMS R 130 35 7560 UP SE 20 10 20 20 3 1 30 0 91RD 39 DUNE RULR SLMS P 80 1 6680 SA UE 40 0 0 30 3 0 30 0 SOIL CHARACTERISTICS PLOT NO. SUBGROUP ;pTH TEXTURE FRAGS EFFER AUHC CO FI MIN MAX ST VI DE L C NO GR 36 99 6.1 SH L CL NO VG 99 99 2.2 SH L CL NO VG 99 99 2.2 vo S LS NO NO 99 99 2.5 91RD 22 TYPIC ARGIBOROLL 91RD 32 LITHIC ARGIBOROLL 91RD 33 LITHIC ARGIBOROLL 91RD 39 TYPIC USTIPSAMMENT 103 ARTEMISIA TRIPARTITA/FESTUCA IDAHOENSIS TYPE NO: 10 LOCATION CHARACTERISTICS PLOT NO. SITE NAME COUNTY LEGAL - R - S 91RD 35 CENTENNIAL SANDHILLS WEST #1 91RD 40 SNOUSHOE CREEK BEAVERHEAD BEAVERHEAD 13S 2W 22 NENW 13S 1W 18 NWNE ENVIRONMENTAL CHARACTERISTICS PLOT NO. PM LF PP SS ASP % ELEV EP ET - - - - % COVER - - - - SGRLUMBVO 91R0 35 DUNE RULR RINR R 220 91RD 40 RHYO RUDR RIWR R 120 3 6700 SA WE 30 0 0 40 1 1 30 0 7 6970 SA NO 10 1 0 60 1 0 30 0 SOIL CHARACTERISTICS PLOT NO. SUBGROUP DEPTH TEXTURE FRAGS CO FI MI N MAX EFFER AWHC ST VI 91 RD 35 TYPIC USTIPSAMMENT VD S LS HO NO 99 99 2, .5 91 RD 40 TYPIC HAPLOBOROLL DE SL SL NO NO 99 99 5, .0 104 ATRIPLEX NUTTALLII/ORYZOPSIS HYHENOIDES TYPE NO: 11 LOCATION CHARACTERISTICS PLOT NO. SITE NAME COUNTY - - LEGAL - - T R - S - 91 RD 46 BUHRER GULCH MAO I SON 4S 8W 28 SUNE ENVIRONMENTAL CHARACTERISTICS PLOT NO. PM LF PP SS ASP % ELEV EP ET - - - - % COVER - - - - SGRLUMBVO 91RD 46 SILT BLDR SLMS P 220 60 5120 UP GE 60 30 10 1 1 0 1 0 SOIL CHARACTERISTICS PLOT NO. SUBGROUP DEPTH TEXTURE FRAGS EFFER AWHC CO FI MIN MAX ST VI 91RD 46 LITHIC USTIC TORRIORTHENT VS SICL SICL NO VG 99 99 1.4 105 CERCtXIARPUS LEDIFOLIUS/AGROPYRON SPICATUH TYPE NO: 12 LOCATION CHARACTERISTICS PLOT NO. SITE NAME COUNTY - - LEGAL - T R - S 91RD 28 BIG SHEEP CREE< SLIDE CENTRAL BEAVERHEAD 91RD 30 BIG SHEEP CREEK SLIDE NORTHWEST BEAVERHEAD 91RD 31 BIG SHEEP CREEK SLIDE SUMMIT BEAVERHEAD 15S 10U 10 NUSE 15S low 10 NWNE 15S low 10 NUNE ENVIRONMENTAL CHARACTERISTICS PLOT NO. PM LF PP ss ASP % ELEV EP ET - % COVER S G R L W M BV 0 91RD 28 LIME MWLS SLMS p 150 60 7220 UP SL 10 50 20 10 1 0 10 0 91RD 30 LIME MWLS SLMS p 240 50 7540 UP SL 10 30 20 30 1 1 10 0 91RD 31 LIME MWLS SLUS p 190 45 7860 UP SL 20 20 10 30 1 1 20 0 SOIL CHARACTERISTICS PLOT NO. SUBGROUP DEPTH TEXTURE CO FI FRAGS MIN MAX EFFER ST VI AWHC 91RD 28 LITHIC USTORTHENT 91RD 30 LITHIC USTORTHENT 91RD 31 TYPIC USTORTHENT SH SH MO VG VG VG VC GR VC 99 0 1.8 99 0 1.8 99 0 2.3 106 CERCOCARPUS LEDIFOLIUS/FESTUCA IDAHOENSIS TYPE NO: 13 LOCATION CHARACTERISTICS PLOT NO. SITE NAME COUNTY - - LEGAL - T R - S 91RD 23 CHARCOAL CREEK WATER TANK SILVER BOW IS 10W 12 NUNU ENVIRONMENTAL CHARACTERISTICS PLOT NO. PM LF PP SS ASP % ELEV EP ET - - - - % COVER - - - - SGRLUMBVO 91RD 23 GRAN RMDC SLMS R 140 45 6180 SA SE 3 3 40 20 1 1 30 0 SOIL CHARACTERISTICS PLOT NO. SUBGROUP DEPTH TEXTURE FRAGS EFFER AUHC CO FI MIN MAX ST VI 91RD 23 TYPIC USTORTHENT MO LS SL NO VC 99 99 2.3 107 AGROPYRON DASYSTACHYUN/PHACELIA HASTATA TYPE NO: U LOCATION CHARACTERISTICS PLOT NO. SITE NAME COUNTY LEGAL - - R - S - 91RD 36 CENTENNIAL SANDHILLS WEST #2 91RD 37 CENTENNIAL SANDHILLS WEST #3 91RD 38 CENTENNIAL SANDHILLS EAST #1 BEAVERHEAD BEAVERHEAD BEAVERHEAD 13S 2U 22 NENW 13S 2W 22 SENE 13S 1W 19 SENW ENVIRONMENTAL CHARACTERISTICS PLOT NO. PM LF PP SS ASP ELEV EP ET - - 7. COVER - - - - G R L W M BV 0 91RD 36 DUNE RUMR SLSS D KO 25 91RD 37 DUNE RULR SLLS D 0 0 91RD 38 DUNE RUMR SLSS D 310 40 6690 UP WE 60 0 0 20 1 0 20 0 6690 UP WE 60 0 0 20 0 0 20 0 6680 UP WE 90 0 0 3 1 0 10 0 SOIL CHARACTERISTICS PLOT NO. SUBGROUP DEPTH TEXTURE CO FI FRAGS MIN MAX EFFER ST VI AWHC 91RD 36 USTIC TORRIPSAMMENT 91RD 37 USTIC TORRIPSAMMENT 91RD 38 USTIC TORRIPSAMMENT VD VD VD NO NO NO NO NO NO 99 99 99 99 99 99 2.5 2.5 2.5 108 AGROPYRON SPICATUM/ORYZOPSIS HYMEMOIOES TYPE MO: 15 LOCATION CHARACTERISTICS PLOT NO. SITE NAME COUNTY - LEGAL 91RD 1 BLOCK MOUNTAIN BADLA^;S 91RD 45 SANDY HOLLOW MAD I SON MAD I SON 4S 8W 26 NENE 4S 8U 22 SESE ENVIRONMENTAL CHARACTERISTICS PLOT NO. PM LF PP SS ASP % ELEV EP ET - - - - % COVER - - - - SGRLUHBVO 91RD 1 SAND BLSH SLMS U 190 55 5480 UP RE 70 20 10 1 0 0 3 0 91RD 45 CASH BLSB SLMS R 110 55 5540 UP SE 20 60 20 1 0 0 3 0 SOIL CHARACTERISTICS PLOT NO. SUBGROUP DEPTH TEXTURE CO FI FRAGS MIN MAX EFFER AUHC ST VI 91RD 1 LITHIC USTIC TORRIORTHENT SH S SL NO GR 0 99 2 .0 91RD 45 LITHIC USTIC TORRIORTHENT SH L L GR VG 99 0 1 .8 109 PICEA/EQUISETUM ARVENSE TYPE MO: 16 LOCATION CHARACTERISTICS PLOT NO. SITE NAME COUNTY - - LEGAL - T R - S 91RD 43 UPPER RED ROCK LAKE BEAVERHEAD KS lU 22 SESE ENVIRONMENTAL CHARACTERISTICS PLOT NO. PM IF PP SS ASP % ELEV EP ET - - - - % COVER - - - - SGRLUMBVO 91RD 43 MIAL ACAB WVTE P 350 3 6620 SA NO 1 0 0 40 10 20 30 0 SOIL CHARACTERISTICS PLOT NO. SUBGROUP DEPTH TEXTURE FRAGS EFFER AWHC CO FI MIN MAX ST VI 91RD 43 HISTIC CRYAQUOLL VD NO NO 99 99 10.0 110 POPULUS TRICHOCARPA/COiKUS STOLON I FERA TYPE MO: 17 LOCATION CHARACTERISTICS PLOT NO. SITE NAME COUNTY - - LEGAL - T R - S 91RD 47 HAHNKAMP ISLAND SOUTH #1 91RD 48 MAIDEN EXCLOSURE SOUTHEAST BEAVERHEAD BEAVERHEAD 3S 9U 2 NWSE IS 9U 32 SESE ENVIRONMENTAL CHARACTERISTICS PLOT NO. PM LF PP SS ASP % ELEV EP ET - - - - % COVER - - - - SGRLUMBVO 91RD 47 GRAL ACFP WVFP P 0 5150 SA SE 10 1 0 40 20 1 30 0 91RD 48 GRAL ACFP UVFP P 310 : 5325 SA SE 1 0 0 50 20 0 30 0 SOIL CHARACTERISTICS PLOT NO. SUBGROUP DEPTH TEXTURE CO FI FRAGS MIN MAX EFFER AWHC ST VI 91RD 47 TYPIC UDIFLUVENT VD SL L NO NO 99 99 9. .1 91RD 48 TYPIC UDIFLUVENT VD S SL GR VC 99 99 1, .2 111 SALIX EXIGUA TYPE NO: 18 LOCATION CHARACTERISTICS PLOT NO. SITE NAME COUNTY - - LEGAL - - T R - S - 91RD 49 MAIDEN EXCLOSURE NORTHEAST BEAVERHEAD IS 9W 32 SENE ENVIRONMENTAL CHARACTERISTICS PLOT NO. PM LF PP SS ASP 7. ELEV EP ET - - - - % COVER - - - - SGRLUMBVO 91RD 49 GRAL ACFP WVSC P 60 2 5320 UP SE 20 3 10 40 10 1 20 0 SOIL CHARACTERISTICS PLOT NO. SUBGROUP DEPTH TEXTURE FRAGS EFFER AWHC CO FI MIN MAX ST VI 91RD 49 AQUIC UDIFLUVENT VD GR VC 99 99 0.7 112 AGROPYRON SMITHII TYPE NO: 19 LOCATION CHARACTERISTICS PLOT NO. SITE NAME 91RD 52 HAHNKAMP ISLAND CENTRAL COUNTY - - LEGAL - T R - S BEAVERHEAD 2S 9W 35 SUSU ENVIRONMENTAL CHARACTERISTICS PLOT NO. PM LF PP SS ASP % ELEV EP ET - - - - % COVER - - - - SGRLUMBVO 91R0 52 SAAL ACFP WVFP D 290 1 5155 SA SE 10 0 0 50 0 0 40 0 SOIL CHARACTERISTICS PLOT NO. SUBGROUP DEPTH TEXTURE FRAGS EFFER AWHC CO FI MIN MAX ST VI 91RD 52 USTIC TORRIFLUVENT VD SL L NO NO 99 99 6.8 113 ELYHUS CINEREUS TYPE MO: 20 LOCATION CHARACTERISTICS PLOT NO. SITE NAME COUNTY - - LEGAL - T R - S 91RD 50 MAIDEN EXCLOSURE NORTHWEST BEAVERHEAD IS 9W 32 SENE ENVIRONMENTAL CHARACTERISTICS PLOT NO. PM LF PP SS ASP % ELEV EP ET - - - - % COVER - - - - SGRLUMBVO 91RD 50 GRAL ACTE WVTE S 50 2 5325 SA SE 1 0 0 60 0 1 40 0 SOIL CHARACTERISTICS PLOT NO. SUBGROUP DEPTH TEXTURE FRAGS EFFER AUHC CO FI MIN MAX ST VI 91RD 50 FLUVENTIC HAPLOBOROLL VD NO NO 23 99 10.0 1U PHALARIS ARUNOINACEA TYPE NO: 21 LOCATION CHARACTERISTICS PLOT NO. SITE NAME 91 RD 51 HAHNKAMP ISLAND SOUTH #2 COUNTY - - LEGAL - T R - S BEAVERHEAD 3S 9W 2 NUSE ENVIRONMENTAL CHARACTERISTICS PLOT NO. PM LF PP SS ASP 7. ELEV EP ET - - - - % COVER - - - - SGRLWMBVO 91RD 51 GRAL ACFP WVSB POO 5145 SA TD 20 0 0 30 0 0 50 0 SOIL CHARACTERISTICS PLOT NO. SUBGROUP 91RD 51 TYPIC FLUVAQENT DEPTH VD TEXTURE FRAGS EFFER AWHC CO FI MIN MAX ST VI LS NO CO 99 99 4.6 115 APPENDIX G ELEMENT OCCURRENCE RECORDS FOR SAMPLE PLOTS Scientific Name: AGROPYRON DASYSTACHYUM/PHACELIA HASTATA PA Common Name: THICKSPIKE WHEATGRASS/SILVERLEAF PHACELIA ASSOCIATION Global rank: G2? Forest Service status: State rank: S2? Federal Status: Element occurrence code: C5B2CAMBA0 . 001 Survey site name: CENTENNIAL SANDHILLS WEST #2 EO rank: B EO rank comments: CATTLE APPARENTLY HAVE DEGRADED THE SITE SOMEWHAT. County: BEAVERHEAD USGS quadrangle: LOWER RED ROCK LAKE Township: 013S Range: 002W Section: 22 Precision: S Township-range comments: NW4NE4 Survey date: 1991-07-23 Elevation: 6690 First observation: 1991 Slope/aspect: 25% / SOUTHEAST Last observation: 1991-07-23 Size (acres) : 1 Location: FROM MONIDA, PROCEED EAST ON MAIN GRAVEL ROAD CA. 10 MILES TO A DIRT ROAD LEADING NORTH. TAKE THIS ROAD 3 MILES TO A T INTERSECTION. STAY ON THE MOST PROMINENT ROAD LEADING EAST FOR 16.5 MILES TO A Y INTERSECTION. TAKE LEFT-HAND ROAD AT Y AND PROCEED CA. 0.8 5 MILE TO A FENCE. PLOT IS CA. 0.3 MILE ESE. Element occurrence data: WITHIN PLOT, 20 SPECIES OBSERVED. DOMINANTS INCLUDE: AGROPYRON DASYSTACHYUM (10% CANOPY COVER), ORYZOPSIS HYMENOIDES (10%), STIPA COMATA (20%), PHACELIA HASTATA (3%), AND PSORALEA TENUIFLORA (30%). COMPLETE LIST ON FILE AT MONTANA NATURAL HERITAGE PROGRAM. General site description: ROLLING UPLAND; PLOT POSITION IS SHORT SLOPE. SAND DUNES PARENT MATERIAL AND USTIC TORRIPSAMMENT SOIL SUBGROUP. GROUND COVER: BARE SOIL (60%) , TOTAL COARSE FRAGMENTS (0%) . Land owner/manager: BLM: BUTTE DISTRICT, DILLON RESOURCE AREA Comments : MTNHP PLOT #91RD036. SURVEY CONDUCTED BY R. L. DEVELICE. CRYPTANTHA 116 FENDLERI AND ERIOGONUM OVALIFOLIUM VAR. CELSUM PRESENT ON SITE. Information source: DEVELICE, ROBERT L. [COMMUNITY ECOLOGIST] . MONTANA NATURAL HERITAGE PROGRAM, 1515 EAST SIXTH AVE., HELENA, MT 59620. 117 Scientific Name: AGROPYRON DASYSTACHYUM/PHACELIA HASTATA PA Common Name: THICKSPIKE WHEATGRASS/SILVERLEAF PHACELIA ASSOCIATION Global rank: G2? State rank: S2? Forest Service status; Federal Status: Element occurrence code: C5B2CAMBA0 . 002 Survey site name: CENTENNIAL SANDHILLS WEST #3 EO rank: B EO rank comments: CATTLE HAVE APPARENTLY DEGRADED THE SITE SOMEWHAT. County: BEAVERHEAD USGS quadrangle: LOWER RED ROCK LAKE Township: 013S Range: 002W Section: Township-range comments: NE4SE4 Survey date: First observation: Last observation: 1991-07-23 1991 1991-07-23 22 Precision: Elevation: 6690 Slope/aspect: LEVEL Size (acres) : 1 Location: FROM MONIDA, PROCEED EAST ON MAIN GRAVEL ROAD CA. 10 MILES TO A DIRT ROAD LEADING NORTH. TAKE THIS ROAD 3 MILES TO A T INTERSECTION. STAY ON THE MOST PROMINENT ROAD LEADING EAST FOR 16.5 MILES TO A Y INTERSECTION, TAKE LEFT-HAND ROAD AT Y AND PROCEED CA. 0.8 5 MILE TO A FENCE. PLOT IS CA. 0.55 MILE SOUTHEAST. Element occurrence data: WITHIN PLOT, 22 SPECIES OBSERVED. DOMINANTS INCLUDE: DASYSTACHYUM (20% CANOPY COVER) , STIPA COMATA (20%) , (20%), PHACELIA HASTATA (3%), AND PSORALEA TENUILORA LIST ON FILE AT MONTANA NATURAL HERITAGE PROGRAM. AGROPYRON LINUM PERENNE (10%) . COMPLETE General site description: ROLLING UPLANT; PLOT POSITION IS LOWER SLOPE. SAND DUNES PARENT MATERIAL AND USTIC TORRIPSAMMENT SOIL SUBGROUP. GROUND COVER: BARE SOIL (60%) , TOTAL COARSE FRAGMENTS (0%) . Land owner/manager: BLM: BUTTE DISTRICT, DILLON RESOURCE AREA Comments: MTNHP PLOT #91RD037. SURVEY CONDUCTED BY R. L. DEVELICE. ASTRAGALUS CERAMICUS VAR. APUS AND ERIOGONUM OVALIFOLIUM VAR. CELSUM PRESENT ON SITE. Information source: DEVELICE, ROBERT L. [COMMUNITY ECOLOGIST] . MONTANA NATURAL HERITAGE PROGRAM, 1515 EAST SIXTH AVE., HELENA, MT 59620. 118 scientific Name: AGROPYRON DASYSTACHYUM/PHACELIA HASTATA PA Common Name: THICKSPIKE WHEATGRASS/SILVERLEAF PHACELIA ASSOCIATION Global rank: G2? Forest Service status: State rank: S2? Federal Status: £!• t occurrence code: C5B2CAMBA0 . 003 Survey site name: CENTENNIAL SANDHILLS - EAST #1 EO rank: BC EG rank comments: SITE HAS APPARENTLY BEEN DEGRADED BY CATTLE GRAZING. County: BEAVERHEAD USGS quadrangle: LOWER RED ROCK LAKE Township: 013S Range: OOIW Section: 19 Precision: S Township-range comments: NW4SE4 Survey date: 1991-07-24 Elevation: 6680 F 3t observation: 1991 Slope/aspect: 40% / NORTHWEST Lr.jt observation: 1991-07-24 Size (acres) : 1 Location: FROM MONIDA, PROCEED EAST ON MAIN GRAVEL ROAD CA. 10 MILES TO A DIRT ROAD LEADING NORTH. TAKE THIS ROAD 3 MILES TO A T INTERSECTION. STAY ON THE MOST PROMINENT ROAD LEADING EAST FOR 16.5 MILES TO A Y INTERSECTION. TAKE A RIGHT AT THE Y AND PROCEED SOUTH AND EAST CA. 4.5 MILES TO A JEEP ROAD LEADING NORTH. PARK. PLOT IS 0.5 MILE NNE . Element occurrence data: WITHIN PLOT, 23 SPECIES OBSERVED. DOMINANTS INCLUDE: ARTEMISIA TRIDENTATA (10% CANOPY COVER), CHRYSOTHAMNUS NAUSEOSUS (10%), AGROPYRON DASYSTACHYUM (20%) , ORYZOPSIS HYMENOIDES (3%) , AND PHACELIA HASTATA (1%). COMPLETE LIST ON FILE AT MONTANA NATURAL HERITAGE PROGRAM. General site description: ROLLING UPLAND; PLOT POSITION IS SHORT SLOPE. SAND DUNES PARENT MATERIAL AND USTIC TORRIPSAMMENT SOIL SUBGROUP. GROUND COVER: BARE SOIL (90%) , TOTAL COARSE FRAGMENTS (0%) . Land owner/manager: STATE LAND - UNDESIGNATED Comments : MTNHP PLOT # 91RD038. SURVEY CONDUCTED BY R. L. DEVELICE. CRYPTANTHA FENDLERI AND ERIOGONUM OVALIFOLIUM VAR. CELSUM PRESENT ON SITE. Information source: DEVELICE, ROBERT. [COMMUNITY ECOLOGIST] . MONTANA NATURAL HERITAGE PROGRAM, 1515 EAST SIXTH AVE., HELENA, MT 59620. 119 Scientific Name: AGROPYRON SMITHII PA Common Name: WESTERN WHEATGRASS ASSOCIATION Global rank: G4 Forest Service status: State rank: S3 Federal Status: Element occurrence code: C5B2CBABA0 . 002 Survey site name: HAHNKAMP ISLAND - CENTRAL EO rank: C EO rank comments: INCREASER SPECIES ARE WELL-REPRESENTED AND SUGGEST HEAVY CATTLE USE IN THE PAST. County: BEAVERHEAD USGS quadrangle: EARLS GULCH Township: 002S Range: 009W Section: 35 Precision: S Township-range comments: SW4SW4 Survey date: 1991-08-21 Elevation: 5155 First observation: 1991 Slope/aspect: 1% / WEST Last observation: 1991-08-21 Size (acres) : 1 Location: FROM MELROSE, PROCEED SOUTH 0.7 MILE ON THE FRONTAGE ROAD AND PARK. FORD THE BIG HOLE RIVER TO THE ISLAND. THE PLOT IS NEAR THE CENTER OF THE ISLAND, CA. 0.25 MILE TO THE SOUTHWEST. Element occurrence data: WITHIN PLOT, 2 6 SPECIES OBSERVED. DOMINANTS INCLUDE: AGROPYRON SMITHII (60% CANOPY COVER), CAREX STENOPHYLLA (10%), KOELERIA CRISTATA (20%), POA PRATENSIS (10%), AND EQUISETUM HYEMALE (30%). COMPLETE LIST ON FILE AT MONTANA NATURAL HERITAGE PROGRAM. General site description: ALLUVIAL FLOOD PLAIN; PLOT POSITION IS FLOOD PLAIN IN WIDE VALLEY BOTTOM. SANDY ALLUVIUM PARENT MATERIAL AND USTIC TORRIFLUVENT SOIL SUBGROUP. GROUND COVER: BARE SOIL (10%), TOTAL COARSE FRAGMENTS (0%). Land owner/manager: BLM: BUTTE DISTRICT, DILLON RESOURCE AREA Comments : MTNHP PLOT #91RD052. SURVEY CONDUCTED BY R. L. DEVELICE. NOTE: LAND OWNERSHIP IS BLM, BUT MAY APPEAR AS PRIVATELY-OWNED LAND ON MAPS. Information source: DEVELICE, ROBERT. [COMMUNITY ECOLOGIST] . MONTANA NATURAL HERITAGE PROGRAM, 1515 EAST 6TH AVE., HELENA, MT 59620. 120 Scientific Name: AGROPYRON SPICATUM-ORYZOPSIS HYMENOIDES PA Common Name: BLUEBUNCH WHEATGRASS-INDIAN RICEGRASS ASSOCIATION Global rank: G3? State rank: S2? Forest Service status; Federal Status; Element occurrence code: C6A2AAMBA0 . 001 Survey site name: BLOCK MOUNTAIN BADLAND EO rank: B EO rank comments: SOMEWHAT WEEDY, BUT BASICALLY PRISTINE BADLAND SITE. County: MADISON USGS quadrangle: BLOCK MOUNTAIN Township: 004S Range: 008W Section: 26 Township-range comments: ^IE4NE4 Precision ; Survey date; First observation: Last observation; 1991-06-03 1991 1991-06-03 Elevation: 5480 Slope/aspect: 53% Size (acres) : 1 / SOUTH Location: FROM GLEN, PROCEED SOUTH ON PAVEMENT CA. 0.7 5 MILE TO THE BURMA ROAD. TAKE THIS ROAD 7.5 MILES TO SANDY HOLLOW. BLOCK MOUNTAIN IS 1.5 MILES NORTHEAST. PLOT IS LOCATED IN PROMINENT BADLAND, 0.4 MILE SSW OF HIGHEST SUMMIT OF BLOCK MOUNTAIN. Element occurrence data: WITHIN PLOT, 15 SPECIES OBSERVED. DOMINANTS INCLUDE: AGROPYRON SPICATUM (TRACE CANOPY COVER) , ARISTIDA LONGISETA (3%) , ORYZOPSIS HYMENOIDES (10%), GUTIERREZIA SAROTHRAE (1%), AND OPUNTIA POLYACANTHA (1%). COMPLETE LIST ON FILE AT MONTANA NATURAL HERITAGE PROGRAM. General site description: BREAKLAND; PLOT POSITION IS MID-SLOPE. SANDSTONE PARENT MATERIAL AND LITHIC USTIC TORRIORTHENT SOIL SUBGROUP. GROUND COVER: BARE SOIL (70%), TOTAL COARSE FRAGMENTS (30%). Land owner/manager: BLM: BUTTE DISTRICT, DILLON RESOURCE AREA Comments: MTNHP PLOT #91RD001. SURVEY CONDUCTED BY R. L. DEVELICE, P. ACHUFF, AND A. McALPINE. SITE CHARACTERIZED BY UNSTABLE SUBSTRATE AND HIGH MICRO-SCALE LANDSCAPE DIVERSITY. Information source: DEVELICE, ROBERT. [COMMUNITY ECOLOGIST] . MONTANA NATURAL HERITAGE PROGRAM, 1515 EAST 6TH AVE., HELENA, MT 59620. 121 Scientific Name: AGROPYRON SPICATUM-ORYZOPSIS HYMENOIDES PA Common Name: BLUEBUNCH WHEATGRASS-INDIAN RICEGRASS ASSOCIATION Global rank: G3? Forest Service status: State rank: S2? Federal Status: Element occurrence code: C6A2AAMBA0 . 002 Survey site name: SANDY HOLLOW EO rank: A EO rank comments: PRISTINE BADLANDS SITE. County: MADISON USGS quadrangle: BLOCK MOUNTAIN Township: 004S Range: 008W Section: 22 Precision: S Township-range comments: SE4SE4 Survey date: 1991-07-29 Elevation: 5540 First observation: 1991 Slope/aspect: 55% / EAST Last observation: 1991-07-29 Size (acres) : 1 Location: FROM GLEN, PROCEED SOUTH ON PAVEMENT CA. 0.7 5 MILE TO THE BURMA ROAD. TAKE THIS ROAD 7.5 MILES TO SANDY HOLLOW ROAD. TAKE THIS ROAD CA . 2 MILES AND PARK. PLOT IS JUST BELOW RIDGE CREST 0.15 MILE WEST. Element occurrence data: WITHIN PLOT, 21 SPECIES OBSERVED. DOMINANTS INCLUDE: ARTEMISIA TRIDENTATA (TRACE CANOPY COVER) , ERIOGONUM MICROTHECUM (TRACE) , GUTIERREZIA SAROTHRAE (1%), AGROPYRON SPICATUM (3%), AND ORYZOPSIS HYMENOIDES (10%) . COMPLETE LIST ON FILE AT MONTANA NATURAL HERITAGE PROGRAM. General site description: BREAKLAND; PLOT POSITION IS MID-SLOPE. CALCAREOUS SHALE PARENT MATERIAL AND LITHIC USTIC TORRIORTHENT SOIL SUBGROUP. GROUND COVER: BARE SOIL (20%) , TOTAL COARSE FRAGMENTS (80%) . Land owner/manager: BLM: BUTTE DISTRICT, DILLON RESOURCE AREA Comments : MTNHP PLOT #91RD045. SURVEY CONDUCTED BY R. L. DEVELICE. Information source: DEVELICE, ROBERT. [COMMUNITY ECOLOGIST] . MONTANA NATURAL HERITAGE PROGRAM, 1515 EAST 6TH AVE., HELENA, MT 59620. 122 Scientific Name: ARTEMISIA ARBUSCULA/AGROPYRON SPICATUM PA Common Name: LOW SAGE/BLUEBUNCH WHEATGRASS ASSOCIATION Global rank: G4G5 State rank: S3S4 Forest Service status: Federal Status: Element occurrence code: C5B2BBABA0. 001 Survey site name: BIG SHEEP CREEK SLIDE - SOUTHWEST EO rank: A EO rank comments: PRISTINE SITE County: BEAVERHEAD USGS quadrangle: CABOOSE CANYON Township: 015S Range: OlOW Section: 10 Township-range comments: NW4NW4 Precision: S Survey date: First observation: Last observation: 1991-07-10 1991 1991-07-10 Elevation: 7080 Slope/aspect: 55% / WSW Size (acres) : 10 Location: FROM DELL, PROCEED SOUTH ALONG INTERSTATE 15 FRONTAGE ROAD FOLLOWING THE BIG SHEEP CREEK SIGNS. CONTINUE 1.7 MILES TO A T INTERSECTION AND TAKE THE FORK LEADING SOUTHWEST. PROCEED 8 MILES TO A Y INTERSECTION AND TAKE THE ROAD LEADING SOUTH. PORCEED 7. MILES AND PARK. PLOT IS CA. 0.55 MILE WNW. Element occurrence data: WITHIN PLOT, 16 SPECIES OBSERVED. DOMINANTS INCLUDE: ARTEMISIA ARBUSCULA (40% CANOPY COVER), ARTEMISIA FRIGIDA (10%), CHRYSOTHAMNUS NAUSEOSUS (3%), AGROPYRON SPICATUM (40%), AND ARENARIA KINGII (1%). COMPLETE LIST ON FILE AT MONTANA NATURAL HERITAGE PROGRAM. General site description: MASS WASTED SLOPE; PLOT POSITION IS MID-SLOPE. LIMESTONE PARENT MATERIAL AND TYPIC USTORTHENT SOIL SUBGROUP. GROUND COVER: BARE SOIL (20%) , TOTAL COARSE FRAGMENTS (40%) . Land owner/manager: BLM: BUTTE DISTRICT, DILLON RESOURCE AREA Comments : MTNHP PLOT #91RD029. SURVEY CONDUCTED BY R, KINGII PRESENT ON SITE. L. DEVELICE. ARENARIA Information source: DEVELICE, ROBERT L. [COMMUNITY ECOLOGIST] . MONTANA NATURAL HERITAGE PROGRAM, 1515 EAST SIXTH AVE., HELENA, MT 59620. 123 scientific Name: ARTEMISIA TRIDENTATA/AGROPYRON SPICATUM PA Common Name: BIG SAGEBUSH/BLUEBUNCH WHEATGRASS ASSOCIATION Global rank: G5 Forest Service status: State rank: S5 Federal Status: Element occurrence code: C3A2BCACA0 . 019 Survey site name: BLOCK MOUNTAIN - CENTER EO rank: AB EO rank comments: PRISTINE EXAMPLE OF A COMMON COMMUNITY. County: MADISON USGS quadrangle: BLOCK MOUNTAIN Township: 004S Range: 008W Section: 23 Precision: S Township-range comments: SE4,26NE4NE4 Survey date: 1991-06-03 Elevation: 5990 First observation: 1991 Slope/aspect: 0% / NORTH Last observation: 1991-06-03 Size (acres) : 5 Location: FROM GLEN, PROCEED SOUTH ON PAVEMENT CA. 0.7 5 MILE TO THE BURMA ROAD. TAKE THIS ROAD 7.5 MILES TO SANDY HOLLOW. BLOCK MOUNTAIN IS 1.5 MILES NORTHEAST. PLOT IS LOCATED ON BROAD, FLAT SUMMIT RIDGE, 0.15 MILE SOUTH OF THE HIGHEST SUMMIT OF BLOCK MOUNTAIN. Element occurrence data: WITHIN PLOT, 18 SPECIES OBSERVED. DOMINANTS INCLUDE: ARTEMISIA TRIDENTATA (30% CANOPY COVER), ARTEMISIA FRIGIDA (10%), AGROPYRON SPICATUM (20%), BOUTELOUA GRACILIS (5%), AND ORYZOPSIS HYMENOIDES (3%) . COMPLETE LIST ON FILE AT MONTANA NATURAL HERITAGE PROGRAM. General site description: STRUCTURALLY CONTROLLED MOUNTAIN SLOPE; PLOT POSITION IS WIDE RIDGE SUMMIT. BASALT PARENT MATERIAL AND BOROLLIC LITHIC CALCIORTHID SOIL SUBGROUP. GROUND COVER: BARE SOIL (10%), TOTAL COARSE FRAGMENTS (40%). Land owner/manager: PRIVATELY OWNED LAND (INDIVIDUAL OR CORPORATE) BLM: BUTTE DISTRICT, DILLON RESOURCE AREA Comments: MTNHP PLOT #91RD003. SURVEY CONDUCTED BY R. L. DEVELICE, P. ACHUFF AND A. McALPINE. ADDITIONAL PLOTS OF THIS COMMUNITY TYPE WERE SAMPLED AT THE SITE, INCLUDING PLOT #91RD005, LOCATED CA . 0.3 MILE NORTH, AND PLOT #91RD002, LOCATED CA. 0.12 MILE SOUTHWEST. Information source: DEVELICE, ROBERT. [COMMUNITY ECOLOGIST] . MONTANA NATURAL HERITAGE PROGRAM, 1515 EAST 6TH AVE., HELENA, MT 59620. 124 Scientific Name: ARTEMISIA TRIDENTATA/AGROPYRON SPICATUM PA Common Name: BIG SAGEBUSH/BLUEBUNCH WHEATGRASS ASSOCIATION Global rank: G5 State rank: S5 Forest Service status; Federal Status; Element occurrence code: C3A2BCACA0 . 020 Survey site name: HOGBACK SODAK MINE ROAD EO rank: BC EO rank comments: SURROUNDED BY HEAVILY-GRAZED GRASSLANDS. CATTLE USE HAS APPARENTLY DEGRADED SITE, County: BEAVERHEAD USGS quadrangle: BLOCK MOUNTAIN Township: 005S Range: 008W Section: 09 Township-range comments: SW4SE4 Precision: Survey date: First observation: Last observation: 1991-06-05 1991 1991-06-05 Elevation: 5320 Slope/aspect: 18% / NORTHWEST Size (acres) : 1 Location: FROM GLEN, PROCEED SOUTH ON PAVEMENT 7.4 MILES TO GRAVEL CROSSROAD. TAKE THIS GRAVEL ROAD 0.6 MILE EAST TO AN INTERSECTION WITH A SIDE ROAD. TAKE THIS SIDE ROAD 2.3 MILES NORTH AND PARK. PLOT IS ON UPPER SLOPE OF RIDGE, 0.75 MILE DUE EAST. Element occurrence data: WITHIN PLOT, 23 SPECIES OBSERVED. DOMINANTS INCLUDE: ARTEMISIA TRIDENTATA (10% CANOPY COVER), ARTEMISIA FRIGIDA (10%), AGROPYRON SPICATUM (20%), BOUTELOUA GRACILIS (30%), AND STIPA COMATA (20%). COMPLETE LIST ON FILE AT MONTANA NATURAL HERITAGE PROGRAM. General site description: STRUCTURALLY CONTROLLED MOUNTAIN SLOPE; PLOT POSITION IS UPPER SLOPE, QUARTZITE PARENT MATERIAL AND BOROLLIC LITHIC CALCIORTHID SOIL SUBGROUP. GROUND COVER: BARE SOIL (1%), TOTAL COARSE FRAGMENTS (40%), Land owner/manager: BLM: BUTTE DISTRICT, DILLON RESOURCE AREA Comments : MTNHP PLOT #91RD009, McALPINE. SURVEY CONDUCTED BY R, DEVELICE AND A, Information source: DEVELICE, ROBERT L. [COMMUNITY ECOLOGIST] . MONTANA NATURAL HERITAGE PROGRAM, 1515 E. 6TH AVE., HELENA, MT 59620. 125 Scientific Name: ARTEMISIA TRIDENTATA/AGROPYRON SPICATUM PA Common Name: BIG SAGEBUSH/BLUEBUNCH WHEATGRASS ASSOCIATION Global rank: G5 State rank: S5 Forest Service status: Federal Status; Element occurrence code: C3A2BCACA0 . 021 Survey site name; EO rank; EO rank comments; HOGBACK NORTHWEST BC THE HIGH COVER OF INCREASER SPECIES SUGGEST DEGRADATION BY GRAZING. County: BEAVERHEAD USGS quadrangle: BLOCK MOUNTAIN Township: 005S Range: 008W Section; Township-range comments: NE4SW4 Survey date: First observation; Last observation; 1991-06-06 1991 1991-06-06 03 Precision; Elevation: 5110 Slope/aspect: 53% / NORTHWEST Size (acres) : 10 Location: FROM GLEN, PROCEED SOUTH ON PAVEMENT 7.4 MILES TO GRAVEL CROSSROAD. TAKE THIS GRAVEL ROAD 0.6 MILE EAST TO AN INTERSECTION WITH A SIDE ROAD. FOLLOW THE SIDE ROAD CA. 3 MILES TO A Y INTERSECTION, GO RIGHT, AND FOLLOW THE MOST PROMINENT ROAD CA . 2 MILES TO THE RIVER. PLOT IS 0.7 MILE DUE EAST. Element occurrence data: WITHIN PLOT, 17 SPECIES OBSERVED. DOMINANTS INCLUDE: ARTEMISIA TRIDENTATA (40% CANOPY COVER), ARTEMISIA FRIGIDA (10%), AGROPYRON SPICATUM (30%), POA SANDBERGII (10%), AND STIPA COMATA (3%). COMPLETE LIST ON FILE AT MONTANA NATURAL HERITAGE PROGRAM. General site description: STRUCTURALLY CONTROLLED MOUNTAIN SLOPE; PLOT POSITION IS MID-SLOPE. QUARTZITE PARENT MATERIAL AND LITHIC ARGIBOROLL SOIL SUBGROUP. GROUND COVER: BARE SOIL (3%), TOTAL COARSE FRAGMENTS (40%). Land owner/manager: BLM: BUTTE DISTRICT, DILLON RESOURCE AREA Comments: MTNHP PLOT McALPINE. #91RD010. SURVEY CONDUCTED BY R. L. DEVELICE AND A. Information source: DEVELICE, ROBERT L. PROGRAM, 1515 EAST [COMMUNITY SIXTH AVE. , ECOLOGIST] , HELENA, MT MONTANA 59620. NATURAL HERITAGE 126 Scientific Name: ARTEMISIA TRIDENTATA/AGROPYRON SPICATUM PA Common Name: BIG SAGEBUSH/BLUEBUNCH WHEATGRASS ASSOCIATION Global rank: G5 State rank: S5 Forest Service status: Federal Status: Element occurrence code: C3A2BCACA0 . 023 Survey site name: MOOSE CREEK/CHICKEN CREEK CONFLUENCE EO rank: BC EO rank comments: SITE HAS APPARENTLY BEEN DEGRADED BY CATTLE USE. County: SILVER BOW USGS quadrangle: MELROSE Township: OOIS Range: 009W Section: 23 Township-range comments: SW4SE4 Precision; Survey date; First observation; Last observation; 1991-06-12 1991 1991-06-12 Elevation: 5940 Slope/aspect: 40% Size (acres) : 40 / SOUTHEAST Location: TAKE MOOSE CREEK EXIT (^99) OFF INTERSTATE 15. PROCEED EAST ON MOOSE CREEK ROAD 2.5 MILES AND PARK. PLOT IS UPSLOPE CA. 0.15 MILE DUE WEST. Element occurrence data: WITHIN PLOT, 2 0 SPECIES OBSERVED. DOMINANTS INCLUDE: ARTEMISIA TRIDENTATA (50% CANOPY COVER), ARTEMISIA FRIGIDA (3%), OPUNTIA POLYACANTHA (1%), AGROPYRON SPICATUM (50%), AND STIPA COMATA (20%). COMPLETE LIST ON FILE AT MONTANA NATURAL HERITAGE PROGRAM. General site description: RESIDUAL MOUNTAIN SLOPE; PLOT POSITION IS MID-SLOPE. SCHIST PARENT MATERIAL AND ARIDIC ARGIBOROLL SOIL SUBGROUP. GROUND COVER: BARE SOIL (20%) , TOTAL COARSE FRAGMENTS (50%) . Land owner/manager: BLM: BUTTE DISTRICT, HEADWATERS RESOURCE AREA HUMBUG SPIRES PRIMITIVE AREA Comments : MTNHP PLOT #91RD018, AND K. HASSIEN. SURVEY CONDUCTED BY R. L. DEVELICE, J. SANFORD, Information source: DEVELICE, ROBERT L. [COMMUNITY ECOLOGIST] . MONTANA NATURAL HERITAGE PROGRAM, 1515 EAST SIXTH AVE., HELENA, MT 59620. 127 scientific Name: ARTEMISIA TRIDENTATA/AGROPYRON SPICATUM PA Common Name: BIG SAGEBUSH/BLUEBUNCH WHEATGRASS ASSOCIATION Global rank: G5 State rank: S5 Forest Service status; Federal Status; Element occurrence code: C3A2BCACA0 . 024 Survey site name; EO rank; EO rank comments; MAIDEN EXCLOSURE - SOUTHWEST BC THE SITE APPEARS TO HAVE BEEN HEAVILY GRAZED PRIOR TO EXCLOSURE ESTABLISHMENT IN 1984, AND CONTAINS CENTAUREA MACULOSA AND BROMUS TECTORUM. County: BEAVERHEAD USGS quadrangle: MELROSE Township: OOIS Range: 009W Section: 32 Township-range comments: SW4SE4 Survey date: First observation: Last observation: 1991-06-18 1991 1991-06-18 Precision: S Elevation: 5330 Slope/aspect: 2% / NORTH Size (acres) : 2 Location: FROM THE MOOSE CREEK ROAD EXIT (#99) ON INTERSTATE 15, PROCEED NORTH AND WEST ON FRONTAGE ROAD 0.5 MILE TO JUNCTION WITH A GRAVEL ROAD. TAKE THIS GRAVEL ROAD SOUTH 1.2 MILES TO A Y INTERSECTION. GO LEFT AND RIGHT CA. 1 MILE TO A BRIDGE CROSSING THE RIVER. CROSS THE BRIDGE. EXCLOSURE IS TO THE RIGHT, Element occurrence data: WITHIN PLOT, 28 SPECIES OBSERVED. SOMINANTS INCLUDE: ARTEMISIA TRIDENTATA (20% CANOPY COVER) , AGROPYRON SPICATUM (30%) , KOELERIA CRISTATA (20%), POA SANDBERGII (10%), AND STIPA COMATA (10%). COMPLETE LIST ON FILE AT MONTANA NATURAL HERITAGE PROGRAM. General site description: ALLUVIAL TERRACE; PLOT POSITION IS TERRACE IN WIDE VALLEY BOTTOM. MIXED ALLUVIUM PARENT MATERIAL AND USTIC TORRIFLUVENT SOIL SUBGROUP. GROUND COVER: BARE SOIL (20%), TOTAL COARSE FRAGMENTS (3%). Land owner/manager: BLM: BUTTE DISTRICT, HEADWATERS RESOURCE AREA PRIVATELY OWNED LAND (INDIVIDUAL OR CORPORATE) Comments : MTNHP PLOT #91RD02 5. SURVEY CONDUCTED BY R. L. DEVELICE. EXCLOSURE ESTABLISHED IN 1984 (PERS. COMM., JACK JONES, BLM, BUTTE). CA. 30% OF THE ARTEMISIA TRIDENTATA PLANTS PRESENT ARE DEAD. Information source: DEVELICE, ROBERT L. PROGRAM, 1515 EAST [COMMUNITY SIXTH AVE. , ECOLOGIST] . HELENA, MT MONTANA 59620. NATURAL HERITAGE 128 scientific Name: ARTEMISIA TRIDENTATA/FESTUCA IDAHOENSIS PA Common Name: BIG SAGEBRUSH/ IDAHO FESCUE ASSOCIATION Global rank: G5 Forest Service status: State rank: S4 Federal Status: Element occurrence code: C5B2BGABA0 . 013 Survey site name: JOHNSON CREEK EXCLOSURE EO rank: AB EO rank comments: NOT GRAZED BY LARGE HERBIVORES SINCE 1968. HEAVY CATTLE GRAZING ON ADJACENT LANDS MAY CAUSE INCREASED EROSION AND WEED INFLUX INTO EXCLOSURE. County: SILVER BOW USGS quadrangle: DICKIE HILLS Township: OOIN Range: OllW Section: IS Precision: S Township-range comments: NW4SW4 Survey date: 1991-06-14 Elevation: 6140 First observation: 1991 Slope/aspect: 15% / SOUTH Last observation: 1991-06-14 Size (acres) : 40 Location: FROM WISE RIVER (TOWN) , PROCEED WEST ALONG STATE HIGHWAY 4 3 TO THE BIG HOLE RIVER. CA. 0.2 MILE AFTER CROSSING THE RIVER, TURN RIGHT ONTO A GRAVEL ROAD AND CONTINUE 3.5 MILES TO JOHNSON CREEK. TAKE THE FIRST LEFT OFF JOHNSON CREEK ROAD (0.2 MILE FROM RIVER), AND FOLLOW THIS ROAD CA. 1 MILE TO THE EXCLOSURE. Element occurrence data: WITHIN PLOT, 12 SPECIES OBSERVED. DOMINANTS INCLUDE: ARTEMISIA TRIDENTATA (30% CANOPY COVER) , AGROPYRON SPICATUM (30%) , FESTUCA IDAHOENSIS (50%), POA SANDBERGII (1%), AND ARENARIA CONGESTA (3%). COMPLETE LIST ON FILE AT MONTANA NATURAL HERITAGE PROGRAM. General site description: RESIDUAL MOUNTAIN RIDGE; PLOT POSITION IS WIDE RIDGE SUMMIT. QUARTZITE PARENT MATERIAL AND TYPIC ARGIBOROLL SOIL SUBGROUP. GROUND COVER: BARE SOIL (30%), TOTAL COARSE FRAGMENTS (10%). Land owner/manager: BLM: BUTTE DISTRICT, HEADWATERS RESOURCE AREA Comments : MTNHP PLOT #91RD022. SURVEY CONDUCTED BY R. L. DEVELICE. EXCLOSURE ESTABLISHED IN 1968 (PERS. COMM. , JACK JONES, BLM, BUTTE). APPROXIMATE DIMENSIONS - 45m X 45m X 2.5m. Information source: DEVELICE, ROBERT L. [COMMUNITY ECOLOGIST] . MONTANA NATURAL HERITAGE PROGRAM, 1515 EAST SIXTH AVE., HELENA, MT 59620. 129 scientific Name: ARTEMISIA TRIDENTATA/FESTUCA IDAHOENSIS PA Common Name: BIG SAGEBRUSH/ IDAHO FESCUE ASSOCIATION Global rank: G5 Forest Service status: State rank: S4 Federal Status: Element occurrence code: C5B2BGABA0 . 014 Survey site name: ELK GULCH MINE SOUTH EO rank: EC EO rank comments: CATTLE APPEAR TO HAVE HEAVILY GRAZED AREA IN THE PAST, BUT APPARENTLY HAVE NOT BEEN PRESENT ON SITE FOR AT LEAST TWO YEARS. County: BEAVERHEAD USGS quadrangle: ELK GULCH Township: 009S Range: 007W Section: 02 Precision: S Township-range comments: NE4SW4 Survey date: 1991-07-11 Elevation: 7500 First observation: 1991 Slope/aspect: 30% / SOUTHEAST Last observation: 1991-07-11 Size (acres) : 1 Location: FROM THE CEMETERY IN DILLON (1 MILE EAST OF TOWN) , PROCEED ON GRAVEL SWEETWATER ROAD 14 MILES EAST TO A DIRT ROAD AND GATE ON SOUTH SIDE OF SWEETWATER ROAD. GO THROUGH GATE AND FOLLOW DIRT ROAD 6.5 MILES TO A JEEP TRAIL ON A FORESTED RIDGE. TAKE THIS TRAIL 0.4 MILE SOUTH AND PARK. PLOT IS CA. 0.2 MILE DUE SOUTH. Element occurrence data: WITHIN PLOT, 31 SPECIES OBSERVED. DOMINANTS INCLUDE: ARTEMISIA TRIDENTATA (10% CANOPY COVER) , AGROPYRON SPICATUM (20%) , FESTUCA IDAHOENSIS (20%), POA SANDBERGII (3%), AND HAPLOPAPPUS ACAULIS (20%). COMPLETE LIST ON FILE AT MONTANA NATURAL HERITAGE PROGRAM. General site description: RESIDUAL MOUNTAIN SLOPE; PLOT POSITION IS MID-SLOPE. PERIDOTITE PARENT MATERIAL AND LITHIC ARGIBOROLL SOIL SUBGROUP. GROUND COVER: BARE SOIL (30%) , TOTAL COARSE FRAGMENTS (30%) . Land owner/manager: BLM: BUTTE DISTRICT, DILLON RESOURCE AREA Comments: MTNHP PLOT #91RD032. SURVEY CONDUCTED BY R. L. DEVELICE. SITE MAPPED IN 1970 AS HAVING GREATER THAN 1000 PPM NICKEL CONTENT (MAP COMPILED BY K. STOUT, BUTTE) . THE RELATIVE SPARSENESS OF THE VEGETATION RELATIVE TO ADJACENT SITES (E.G., PLOT #91RD033, WITH 100-400 PPM NICKEL) MAY REFLECT THESE HIGH NICKEL VALUES. Information source: DEVELICE, ROBERT. [COMMUNITY ECOLOGIST] . MONTANA NATURAL HERITAGE PROGRAM, 1515 EAST 6TH AVE., HELENA, MT 59620. 130 BLANK PAGE 131 scientific Name: ARTEMISIA TRIDENTATA/FESTUCA IDAHOENSIS PA Common Name: BIG SAGEBRUSH/ IDAHO FESCUE ASSOCIATION Global rank: G5 Forest Service status: State rank: 34 Federal Status: Element occurrence code: C5B2BGABA0 . 015 Survey site name: CENTENNIAL SANDHILLS - EAST #2 EO rank: BC EO rank comments: SITE HAS APPARENTLY BEEN DEGRADED BY CATTLE GRAZING. County: BEAVERHEAD USGS quadrangle: LOWER RED ROCK LAKE Township: 013S Range: OOIW Section: 19 Precision: S Township-range comments: NW4SE4 Survey date: 1991-07-24 Elevation: 6680 First observation: 1991 Slope/aspect: 1% / EAST Last observation: 1991-07-24 Size (acres) : 320 Location: FROM MONIDA, PROCEED EAST ON MAIN GRAVEL ROAD CA. 10 MILES TO A DIRT ROAD LEADING NORTH. TAKE THIS ROAD 3 MILES TO A T INTERSECTION. STAY ON THE MOST PROMINENT ROAD LEADING EAST FOR 16.5 MILES TO A Y INTERSECTION. TAKE A RIGHT AT THE Y AND PROCEED SOUTH AND EAST CA . 4.5 MILES TO A JEEP ROAD LEADING NORTH. PARK. PLOT IS 0.5 MILE NNE . Element occurrence data: WITHIN PLOT, 2 7 SPECIES OBSERVED. DOMINANTS INCLUDE: ARTEMISIA TRIDENTATA (30% CANOPY COVER), CHRYSOTHAMNUS NAUSEOSUS (3%), FESTUCA IDAHOENSIS (40%), KOELERIA CRISTATA (3%), AND STIPA COMATA (30%). COMPLETE LIST ON FILE AT MONTANA NATURAL HERITAGE PROGRAM. General site description: ROLLING UPLAND; PLOT POSITION IS MID-SLOPE. SAND DUNES PARENT MATERIAL AND TYPIC USTIPSAMMENT SOIL SUBGROUP. GROUND COVER: BARE SOIL (40%) , TOTAL COARSE FRAGMENTS (0%) . Land owner/manager: STATE LAND - UNDESIGNATED Comments: MTNHP PLOT #91RD039. SURVEY CONDUCTED BY R. L. DEVELICE. CA. 50% OF THE ARTEMISIA TRIDENTATA STEMS PRESENT ARE DEAD. MOST OF THE LIVING A. TRIDENTATA HAVE NUMEROUS DEAD BRANCHES. ERIOGONUM OVALIFOLIUM VAR. CELSUM PRESENT ON SITE. Information source: DEVELICE, ROBERT. [COMMUNITY ECOLOGIST] . MONTANA NATURAL HERITAGE PROGRAM, 1515 EAST SIXTH AVE., HELENA, MT 59620. 132 Scientific Name: ARTEMISIA TRI PARTITA/ FESTUCA IDAHOENSIS PA Common Name: THREETIP SAGEBRUSH/ IDAHO FESCUE ASSOCIATION Global rank: G5 Forest Service status: State rank: S3 Federal Status: Element occurrence code: C5B2BHABA0. 004 Survey site name: CENTENNIAL SANDHILLS WEST #1 EO rank: B EO rank comments: DISTURBED BY CATTLE, BUT BASICALLY A SITE IN GOOD CONDITION. County: BEAVERHEAD USGS quadrangle: LOWER RED ROCK LAKE Township: 013S Range: 002W Section: 22 Precision: S Township-range comments: NW4NE4 Survey date: 1991-07-23 Elevation: 6700 First observation: 1991 Slope/aspect: 3% / SOUTHWEST Last observation: 1991-07-23 Size (acres) : 160 Location: FROM MONIDA, PROCEED EAST ON MAIN GRAVEL ROAD CA. 10 MILES TO A DIRT ROAD LEADING NORTH. TAKE THIS ROAD 3 MILES TO A T INTERSECTION. STAY ON THE MOST PROMINENT ROAD LEADING EAST FOR 16.5 MILES TO A Y INTERSECTION. TAKE LEFT-HAND ROAD AT Y AND PROCEED CA. 0.8 5 MILE TO A FENCE. PLOT IS ON KNOLL CA. 0.15 MILE SOUTHEAST. Element occurrence data: WITHIN PLOT, 23 SPECIES OBSERVED. DOMINANTS INCLUDE: ARTEMISIA TRIPARTITA (30% CANOPY COVER), TETRADYMIA CANESCENS (3%), FESTUCA IDAHOENSIS (50%), STIPA COMATA (30%), AND LUPINUS ARGENTEUS (10%). COMPLETE LIST ON FILE AT MONTANA NATURAL HERITAGE PROGRAM. General site description: ROLLING UPLAND; PLOT POSITION IS NARROW RIDGE. SAND DUNES PARENT MATERIAL AND TYPIC USTIPSAMMENT SOIL SUBGROUP. GROUND COVER: BARE SOIL (30%), TOTAL COARSE FRAGMENTS (0%). Land owner/manager: BLM: BUTTE DISTRICT, DILLON RESOURCE AREA Comments: MTNHP PLOT #91RD035. SURVEY CONDUCTED BY R. L. DEVELICE, J. WARD, AND L. WARD-DEVELICE. ERIOGONUM OVALIFOLIUM VAR. CELSUM PRESENT ON SITE. Information source: DEVELICE, ROBERT L. [COMMUNITY ECOLOGIST] . MONTANA NATURAL HERITAGE PROGRAM, 1515 EAST SIXTH AVE., HELENA, MT 59620. 133 Scientific Name: ARTEMISIA TRIPARTITA/FESTUCA IDAHOENSIS PA Common Name: THREETIP SAGEBRUSH/ IDAHO FESCUE ASSOCIATION Global rank: G5 State rank: S3 Forest Service status: Federal Status: Element occurrence code: C5B2BHABA0 . 005 Survey site name: SHOWSHOE CREEK EO rank: EC EO rank comments: SITE HAS APPARENTLY BEEN DEGRADED BY CATTLE GRAZING. County: BEAVERHEAD USGS quadrangle: LOWER RED ROCK LAKE Township: 013S Range: OOIW Section: 18 Township-range comments: NE4NW4 Precision: S Survey date: First observation: Last observation: 1991-07-24 1991 1991-07-24 Elevation: 6970 Slope/aspect: 7% / SOUTHEAST Size (acres) : 40 Location: FROM MONIDA, PROCEED EAST ON MAIN GRAVEL ROAD CA 10 MILES TO A DIRT ROAD LEADING NORTH. TAKE THIS ROAD 3 MILES TO A T INTERSECTION. STAY ON THE MOST PROMINENT ROAD LEADING EAST FOR CA. 21 MILES TO A JEEP ROAD LEADING NORTH. PARK. HIKE NNW 1.8 MILES TO THE PLOT. Element occurrence data: WITHIN PLOT, 22 SPECIES OBSERVED. DOMINANTS INCLUDE: ARTEMISIA TRIPARTITA (10% CANOPY COVER), CHRYSOTHAMNUS VISCIDIFLORUS (20%), TETRADYMIA CANESCENS (50%) . COMPLETE LIST (20%), FESTUCA IDAHOENSIS (30%), AND STIPA COMATA ON FILE AT MONTANA NATURAL HERITAGE PROGRAM. General site description: ROLLING UPLAND; PLOT POSITION IS WIDE RIDGE SUMMIT. RHYOLITE PARENT MATERIAL AND TYPIC HAPLOBOROLL SOIL SUBGROUP. GROUND COVER: BARE SOIL (10%), TOTAL COARSE FRAGMENTS (TRACE). Land owner/manager: STATE LAND - UNDESIGNATED Comments: MTNHP PLOT #91RD040, SURVEY CONDUCTED BY R. DEVELICE. Information source: DEVELICE, ROBERT L. [COMMUNITY ECOLOGIST] . MONTANA NATURAL HERITAGE PROGRAM, 1515 EAST SIXTH AVE., HELENA, MT 59620. 134 Scientific Name: ATRIPLEX NUTTALLII-ORYZOPSIS HYMENOIDES PA Common Name: NUTTALL SALTBRUSH-INDIAN RICEGRASS ASSOCIATION Global rank: G3G4 Forest Service status: State rank: S2? Federal Status: Element occurrence code: C4C1BBADA0. 001 Survey site name: BUHRER GULCH EO rank: B EO rank comments: SOMEWHAT DEGRADED BY CATTLE MOVEMENT ACROSS BADLANDS. County: MADISON USGS quadrangle: BLOCK MOUNTAIN Township: 004S Range: 008W Section: 28 Precision: S Township-range comments: NE4SW4 Survey date: 1991-07-30 Elevation: 5120 First observation: 1991 Slope/aspect: 60% / SOUTHWEST Last observation: 1991-07-30 Size (acres) : 1 Location: FROM GLEN, PROCEED SOUTH ON PAVEMENT CA. 0.7 5 MILE TO THE BURMA ROAD. TAKE THIS ROAD 4.5 MILES AND PARK. THE PLOT IS IN THE PROMINENT BADLANDS 0.4 MILE DUE NORTH. Element occurrence data: WITHIN PLOT, 13 SPECIES OBSERVED. DOMINANTS INCLUDE: ATRIPLEX NUTTALLII (1% CANOPY COVER), CHRYSOTHAMNUS NAUSEOSUS (3%), ERIOGONUM MICROTHECUM (TRACE) , ORYZOPSIS HYMENOIDES (TRACE) , AND SITANION HYSTRIX (TRACE) . COMPLETE LIST ON FILE AT MONTANA NATURAL HERITAGE PROGRAM. General site description: BREAKLAND; PLOT POSITION IS MID-SLOPE. SILTSTONE PARENT MATERIAL AND LITHIC USTIC TORRIORTHENT SOIL SUBGROUP. GROUND COVER: BARE SOIL (60%), TOTAL COARSE FRAGMENTS (40%). Land owner/manager: BLM: BUTTE DISTRICT, DILLON RESOURCE AREA Comments : MTNHP PLOT #91RD04 6. SURVEY CONDUCTED BY R. L. DEVELICE. Information source: DEVELICE, ROBERT [COMMUNITY ECOLOGIST] . MONTANA NATURAL HERITAGE PROGRAM, 1515 EAST SIXTH AVE., HELENA, MT 59620. 135 Scientific Name: CERCOCARPUS LEDIFOLIUS/AGROPYRON SPICATUM PA Common Name: CURL-LEAF MOUNTAIN MAHOGANY/ BLUEBUNCH WHEATGRASS ASSOCIATION Global rank: G5 Forest Service status: State rank: S4 Federal Status: Element occurrence code: C3B4AHABA0 . 003 Survey site name: BIG SHEEP CREEK SLIDE - SUMMIT EO rank: AB EO rank comments: MODERATE TO HEAVY DEER BROWSING, BUT SITE IS BASICALLY PRISTINE. County: BEAVERHEAD USGS quadrangle: CABOOSE CANYON Township: 015S Range: OlOW Section: 10 Precision: S Township-range comments: NE4NW4 Survey date: 1991-07-10 Elevation: 7860 First observation: 1991 Slope/aspect: 45% / SOUTH Last observation: 1991-07-10 Size (acres) : 5 Location: FROM DELL, PROCEED SOUTH ALONG INTERSTATE 15 FRONTAGE ROAD FOLLOWING THE BIG SHEEP CREEK SIGNS. CONTINUE 1.7 MILES TO A T INTERSECTION AND TAKE THE FORK LEADING SOUTHWEST. PROCEED 8 MILES TO A Y INTERSECTION AND TAKE THE ROAD LEADING SOUTH. PROCEED 7.5 MILES AND PARK. PLOT IS CA. 0.4 5 MILE NORTHWEST, 0.1 MILE SOUTHWEST OF SUMMIT. Element occurrence data: WITHIN PLOT, 19 SPECIES OBSERVED. DOMINANTS INCLUDE: CERCOCARPUS LEDIFOLIUS (30% CANOPY COVER), ARTEMISIA ARBUSCULA (10%), CHRYSOTHAMNUS VISCIDIFLORUS (3%), AGROPYRON SPICATUM (20%), AND CAREX ROSSII (3%) . COMPLETE LIST ON FILE AT MONTANA NATURAL HERITAGE PROGRAM. General site description: MASS WASTED SLOPE; PLOT POSITION IS UPPER SLOPE. LIMESTONE PARENT MATERIAL AND TYPIC USTORTHENT SOIL SUBGROUP. GROUND COVER: BARE SOIL (20%) , TOTAL COARSE FRAGMENTS (30%) . Land owner/manager: BLM: BUTTE DISTRICT, DILLON RESOURCE AREA Comments : MTNHP PLOT #91RD031. SURVEY CONDUCTED BY R. L. DEVELICE. ARENARIA KINGII PRESENT ON SITE. ADDITIONAL PLOTS OF THIS TYPE ESTABLISHED CA . 0.25 MILE SOUTHEAST OF SITE (#91RD028), AND CA. 0.12 MILE SOUTHWEST (#91RD030) . Information source: DEVELICE, ROBERT L. [COMMUNITY ECOLOGIST] . MONTANA NATURAL HERITAGE PROGRAM, 1515 EAST SIXTH AVE., HELENA, MT 59620. 136 Scientific Name: CERCOCARPUS LEDIFOLIUS/FESTUCA IDAHOENSIS PA Common Name: CURL-LEAF MOUNTAIN MAHOGANY/ IDAHO FESCUE ASSOCIATION Global rank: State rank: G2? Forest Service status; S2? Federal Status; Element occurrence code; C3B4AHABM0.001 Survey site name; EO rank: EO rank comments: CHARCOAL CREEK WATER TANK BC HIGH COVER OF BROMUS TECTORUM SUGGESTS HEAVY GRAZING IN THE PAST. NO RECENT EVIDENCE OF CATTLE USE. County: SILVER BOW USGS quadrangle: DEWEY Township: OOIS Range: OlOW Section: 12 Township-range comments: NW4NW4 Survey date: First observation: Last observation: 1991-06-17 1991 1991-06-17 Elevation: 6180 Slope/aspect: 45% Size (acres) : 1 Precision; / SOUTHEAST Location: FROM DIVIDE, PROCEED WEST ON STATE HIGHWAY 4 3 1.5 MILES TO A Y IN THE ROAD, JUST BEFORE A BRIDGE ACROSS THE BIG HOLE RIVER. TAKE THE RIGHT-HAND ROAD (DON'T CROSS THE BRIDGE) AND PROCEED 0.6 MILE TO A SMALL TOWNSITE AND DIRT ROAD LEADING NORTH UP CHARCOAL CREEK. TAKE THIS ROAD 1.1 MILES AND PARK. THE SITE IS JUST SOUTH OF WATER TANK, 0.3 MILE TO THE WEST. Element occurrence data: WITHIN PLOT, 21 SPECIES OBSERVED. DOMINANTS INCLUDE: CERCOCARPUS LEDIFOLIUS (20% CANOPY COVER), ARTEMISIA TRIDENTATA (3%), AGROPYRON SPICATUM (30%), BROMUS TECTORUM (30%), AND FESTUCA IDAHOENSIS (10%). COMPLETE LIST ON FILE AT MONTANA NATURAL HERITAGE PROGRAM. General site description: RESIDUAL MOUNTAIN SLOPE; PLOT POSITION IS MID-SLOPE. GRANITE PARENT MATERIAL AND TYPIC USTORTHENT SOIL SUBGROUP. GROUND COVER: BARE SOIL (3%) , TOTAL COARSE FRAGMENTS (43%) . Land owner/manager: BLM: BUTTE DISTRICT, HEADWATERS RESOURCE AREA Comments : MTNHP PLOT #91RD023. SURVEY CONDUCTED BY R. L. DEVELICE. Information source: DEVELICE, ROBERT. [COMMUNITY ECOLOGIST] . MONTANA NATURAL HERITAGE PROGRAM, 1515 EAST SIXTH AVE., HELENA, MT 59620. 137 Scientific Name: ELYMUS CINEREUS PA Common Name: BASIN WILDRYE ASSOCIATION Global rank: G4 State rank: S2? Forest Service status: Federal Status; Element occurrence code: C5B1CFABA0 . 001 Survey site name: MAIDEN EXCLOSURE - NORTHWEST EO rank: BC EO rank comments: SITE APPEARS TO HAVE BEEN HEAVILY GRAZED PRIOR TO EXCLOSURE ESTABLISHMENT IN 1984. County: BEAVERHEAD USGS quadrangle: MELROSE Township: OOIS Range: 009W Section: 32 Township-range comments: NE4NE4 Precision: Survey date: First observation: Last observation: 1991-08-20 1991 1991-08-20 Elevation: 5325 Slope/aspect: 2% / NORTHEAST Size (acres) : 1 Location: FROM THE MOOSE CREEK ROAD EXIT (#99) ON INTERSTATE 15, PROCEED NORTH AND WEST ON FRONTAGE ROAD 0.5 MILE TO JUNCTION WITH A GRAVEL ROAD. TAKE THIS GRAVEL ROAD SOUTH 1.2 MILES TO A Y INTERSECTION. GO LEFT AND RIGHT CA. 1 MILE TO A BRIDGE CROSSING THE RIVER. CROSS THE BRIDGE. EXCLOSURE IS TO THE RIGHT. Element occurrence data: WITHIN PLOT, 12 SPECIES OBSERVED. DOMINANTS INCLUDE: ELYMUS CINEREUS (98% CANOPY COVER), JUNCUS BALTICUS (10%), KOELERIA CRISTATA (1%), MUHLENBERGIA CUSPIDATA (1%), AND POA PRATENSIS (10%). COMPLETE LIST ON FILE AT MONTANA NATURAL HERITAGE PROGRAM. General site description: ALLUVIAL TERRACES; PLOT POSITION IS TERRACE IN WIDE VALLEY BOTTOM. GRAVELLY ALLUVIUM PARENT MATERIAL AND FLUVENTIC HAPLOBOROLL SOIL SUBGROUP. GROUND COVER: BARE SOIL (TRACE) , TOTAL COARSE FRAGMENTS (0%) . Land owner/manager: BLM: BUTTE DISTRICT, HEADWATERS RESOURCE AREA PRIVATELY OWNED LAND (INDIVIDUAL OR CORPORATE) Comments : MTNHP PLOT #91RD050. SURVEY CONDUCTED BY R. L. DEVELICE. EXCLOSURE ESTABLISHED IN 1984 (PERS. COMM., JACK JONES, BLM, BUTTE). SPECIES RICHNESS IS LIKELY LOW DUE TO INTENSE COMPETITION WITH ELYMUS CINEREUS. Information source: DEVELICE, ROBERT L. [COMMUNITY ECOLOGIST] . MONTANA NATURAL HERITAGE PROGRAM, 1515 EAST SIXTH AVE., HELENA, MT 59620. 138 BLANK PAGE 139 Scientific Name: JUNIPERUS SCOPULORUM-ARTEMISIA TRIDENTATA Common Name: ROCKY MOUNTAIN JUNIPER-BIG SAGEBRUSH Global rank: G2? State rank: 52? Forest Service status: Federal Status: Element occurrence code: C2A2ABABM0 . 001 Survey site name: BLOCK MOUNTAIN SUMMIT EO rank: AB EO rank comments: PRISTINE SITE. County: MADISON USGS quadrangle: BLOCK MOUNTAIN Township: 004S Range: 008W Section: 23 Township-range comments: E2SE4 Precision; Survey date: First observation: Last observation: 1991-06-03 1991 1991-06-03 Elevation: 5995 Slope/aspect: 9% / SOUTHEAST Size (acres) : 1 Location: FROM GLEN, PROCEED SOUTH ON PAVEMENT CA . 0.7 5 MILE TO THE BURMA ROAD. TAKE THIS ROAD 7.5 MILES TO SANDY HOLLOW. BLOCK MOUNTAIN IS 1.5 MILES NORTHEAST. PLOT IS LOCATED ON THE GENTLY SLOPING, NARROW SUMMIT RIDGE 0.05 MILE SOUTH OF THE HIGHEST SUMMIT OF BLOCK MOUNTAIN. Element occurrence data: WITHIN PLOT, 13 SPECIES OBSERVED. DOMINANTS INCLUDE: JUNIPERUS SCOPULORUM (10% CANOPY COVER), ARTEMISIA TRIDENTATA (20%), AGROPYRON SPICATUM (30%), BOUTELOUA GRACILIS (10%), AND STIPA COMATA (20%). COMPLETE LIST ON FILE AT MONTANA NATURAL HERITAGE PROGRAM. General site description: STRUCTURALLY CONTROLLED MOUNTAIN SLOPE; PLOT POSITION IS NARROW RIDGE BASALT PARENT MATERIAL AND LITHIC USTORTHENT SOIL SUBGROUP. GROUND COVER: BARE SOIL (10%), TOTAL COARSE FRAGMENTS (60%). Land owner/manager: PRIVATELY OWNED LAND (INDIVIDUAL OR CORPORATE) BLM: BUTTE DISTRICT, DILLON RESOURCE AREA Comments : MTNHP PLOT #91RD004. AND A. McALPINE. CA. SITE ARE DEAD. SURVEY CONDUCTED BY R. L. DEVELICE, P. ACHUFF, 30% OF THE JUNIPERUS SCOPULORUM TREES PRESENT ON Information source: DEVELICE, ROBERT. [COMMUNITY ECOLOGIST] . MONTANA NATURAL HERITAGE PROGRAM, 1515 EAST 6TH AVE., HELENA, MT 59620. 140 Scientific Name: JUNIPERUS SCOPULORUM-ARTEMISIA TRIDENTATA Common Name: ROCKY MOUNTAIN JUNIPER-BIG SAGEBRUSH Global rank: G2? State rank: S2? Forest Service status; Federal Status; Element occurrence code: C2A2ABABM0 . 002 Survey site name: SANDY HOLLOW - QUARTZITE RIDGE SOUTH EO rank: B EO rank comments: SOME DEGRADATION BY CATTLE, BUT SITE IS RELATIVELY PRISTINE. County: MADISON USGS quadrangle: BLOCK MOUNTAIN Township: 004S Range: 008W Section: 22 Township-range comments: SE4NE4 Precision: S Survey date: First observation: Last observation: 1991-07-29 1991 1991-07-29 Elevation: 5540 Slope/aspect: 35- Size (acres) : 1 / SOUTH Location: FROM GLEN, PROCEED SOUTH ON PAVEMENT CA 0.7 5 MILE TO THE BURMA ROAD. TAKE THIS ROAD 7.5 MILES TO SANDY HOLLOW ROAD. TAKE THIS ROAD 3.05 MILES TO CONGLOMERATE DIKE. THE PLOT IS LOCATED ON THE SOUTH SLOPES OF THE RIDGE, 0.1 MILE EAST OF THE ROAD. Element occurrence data: WITHIN PLOT, 2 5 SPECIES OBSERVED. DOMINANTS INCLUDE: JUNIPERUS SCOPULORUM (3% CANOPY COVER), ARTEMISIA TRIDENTATA (10%), AGROPYRON SPICATUM (20%), ORYZOPSIS HYMENOIDES (10%), AND STIPA COMATA (30%). COMPLETE LIST ON FILE AT MONTANA NATURAL HERITAGE PROGRAM. General site description: RESIDUAL MOUNTAIN SLOPE; PLOT POSITION IS SHORT SLOPE. CONGLOMERATE PARENT MATERIAL AND BOROLLIC LITHIC CALCIORTHID SOIL SUBGROUP. GROUND COVER : BARE SOIL (20%) , TOTAL COARSE FRAGMENTS (60%) . Land owner/manager: BLM: BUTTE DISTRICT, DILLON RESOURCE AREA Comments : MTNHP PLOT #91RD044 SURVEY CONDUCTED BY R. L. DEVELICE, Information source: DEVELICE, ROBERT. [COMMUNITY ECOLOGIST] . MONTANA NATURAL HERITAGE PROGRAM, 1515 EAST 6TH AVE., HELENA, MT 59620. 141 Scientific Name: JUNIPERUS SCOPULORUM/CERCOCARPUS LEDIFOLIUS PA Common Name: ROCKY MOUNTAIN JUNIPER/ CURL- LEAF MOUNTAIN MAHOGANY ASSOCIATION Global rank: G3 State rank: S3 Forest Service status; Federal Status; Element occurrence code: C2A2ABABN0 . 001 Survey site name: HOGBACK SOUTH SUMMIT EO rank: AB EO rank comments: PROBABLY BEING BROWSED IN EXCESS OF THE NATURAL RATE BY DEER. County: BEAVERHEAD USGS quadrangle: BLOCK MOUNTAIN Township: 005S Range: 008W Section: 16 Township-range comments: S2SW4 Survey date: First observation: Last observation: 1991-06-05 1991 1991-06-05 Elevation: 5880 Slope/aspect: 22' Size (acres) : 40 Precision; / NORTHWEST Location: FROM GLEN, PROCEED SOUTH ON PAVEMENT 7.4 MILES TO GRAVEL CROSSROAD. TAKE THIS GRAVEL ROAD 1.4 MILES EAST TO AN INTERSECTION WITH A SIDE ROAD. TAKE THIS SIDE ROAD 1.2 MILES NORTH AND EAST TO A MICROWAVE STATION. PLOT IS JUST OVER SUMMIT, 0.2 5 MILE DUE NORTH. Element occurrence data: WITHIN PLOT, 31 SPECIES OBSERVED. DOMINANTS INCLUDE: JUNIPERUS SCOPULORUM (10% CANOPY COVER) , CERCOCARPUS LEDIFOLIUS (30%) , ARTEMISIA TRIDENTATA (10%), AGROPYRON SPICATUM (30%), AND KOELERIA CRISTATA (10%). COMPLETE LIST ON FILE AT MONTANA NATURAL HERITAGE PROGRAM. General site description: STRUCTURALLY CONTROLLED MOUNTAIN SLOPE; PLOT POSITION IS UPPER SLOPE. QUARTZITE PARENT MATERIAL AND LITHIC USTORTHENT SOIL SUBGROUP. GROUND COVER: BARE SOIL (3%), TOTAL COARSE FRAGMENTS (40%). Land owner/manager: STATE LAND - UNDESIGNATED Comments : MTNHP PLOT #91RD007. SURVEY CONDUCTED BY R. L. DEVELICE, P. ACHUFF, AND A. McALPINE. AN ADDITIONAL PLOT OF THIS COMMUNITY TYPE (#91RD008) WAS SAMPLED CA. 0.12 MILE SOUTHEAST. Information source: DEVELICE, ROBERT. [COMMUNITY ECOLOGIST]. MONTANA NATURAL HERITAGE PROGRAM, 1515 EAST 6TH AVE., HELENA, MT 59620. U2 Scientific Name: JUNIPERUS SCOPULORUM/CERCOCARPUS LEDIFOLIUS PA Common Name: ROCKY MOUNTAIN JUNIPER/ CURL-LEAF MOUNTAIN MAHOGANY ASSOCIATION Global rank: G3 Forest Service status: State rank: S3 Federal Status: Element occurrence code: C2A2ABABN0 . 002 Survey site name: HOGBACK CENTRAL RIDGE EO rank: AB EO rank comments: PRESENCE OF INCREASER SPECIES IS LIKELY DUE TO A COMBINATION OF HEAVY USE BY DEER AND NATURALLY UNSTABLE SUBSTRATES. County: BEAVERHEAD USGS quadrangle: BLOCK MOUNTAIN Township: 005S Range: 008W Section: 15 Precision: S Township-range comments: NW4NW4 Survey date: 1991-06-07 Elevation: 5460 First observation: 1991 Slope/aspect: 82% / SOUTHEAST Last observation: 1991-06-07 Size (acres) : 40 Location: FROM GLEN, PROCEED SOUTH ON PAVEMENT 7.4 MILES TO GRAVEL CROSSROAD. TAKE THIS GRAVEL ROAD 0.6 MILE EAST TO AN INTERSECTION WITH A SIDE ROAD. TAKE THIS SIDE ROAD 2.3 MILES NORTH AND PARK. PLOT IS JUST OVER CREST OF HOGBACK, CA. 1.4 MILES DUE EAST. Element occurrence data: WITHIN PLOT, 2 2 SPECIES OBSERVED. DOMINANTS INCLUDE: JUNIPERUS SCOPULORUM (1% CANOPY COVER), ARTEMISIA FRIGIDA (10%), CERCOCARPUS LEDIFOLIUS (30%) , AGROPYRON SPICATUM (3%) , AND BOUTELOUA GRACILIS (10%) . COMPLETE LIST ON FILE AT MONTANA NATURAL HERITAGE PROGRAM. General site description: RESIDUAL MOUNTAIN SLOPE; PLOT POSITION IS UPPER SLOPE. QUARTZITE PARENT MATERIAL AND LITHIC USTIC TORRIORTHENT SOIL SUBGROUP. GROUND COVER: BARE SOIL (3%), TOTAL COARSE FRAGMENTS (90%). Land owner/manager: BLM: BUTTE DISTRICT, DILLON RESOURCE AREA Comments : MTNHP PLOT #91RD013. SURVEY CONDUCTED BY R. L. DEVELICE AND A. McALPINE. CA. 10% OF THE CERCOCARPUS LEDIFOLIUS PLANTS PRESENT ARE DEAD. Information source: DEVELICE, ROBERT. [COMMUNITY ECOLOGIST]. MONTANA NATURAL HERITAGE PROGRAM, 1515 EAST 6TH AVE., HELENA, MT 59620. 143 Scientific Name: JUNIPERUS SCOPULORUM/CERCOCARPUS LEDIFOLIUS PA Common Name: ROCKY MOUNTAIN JUNIPER/ CURL-LEAF MOUNTAIN MAHOGANY ASSOCIATION Global rank: G3 Forest Service status: State rank: S3 Federal Status: Element occurrence code: C2A2ABABN0 . 003 Survey site name: HOGBACK NORTH RIDGE EO rank: B EO rank comments: SITE DOES NOT EXHIBIT EVIDENCE OF CATTLE USE. County: BEAVERHEAD USGS quadrangle: BLOCK MOUNTAIN Township: 005S Range: 008W Section: 02 Precision: S Township-range comments: W2 Survey date: 1991-06-06 Elevation: 5640 First observation: 1991 Slope/aspect: 31% / WEST Last observation: 1991-06-06 Size (acres) : 1 Location: FROM GLEN, PROCEED SOUTH ON PAVEMENT 7.4 MILES TO GRAVEL CROSSROAD. TAKE THIS GRAVEL ROAD 0.6 MILE EAST TO AN INTERSECTION WITH A SIDE ROAD. TAKE THIS SIDE ROAD CA. 3 MILES TO A Y INTERSECTION. GO RIGHT AND FOLLOW THE MOST PROMINENT ROAD CA. 2 MILES TO THE RIVER. PLOT IS ON CREST OF HOGBACK, CA. 1.2 MILES ESE. Element occurrence data: WITHIN PLOT, 21 SPECIES OBSERVED. DOMINANTS INCLUDE: JUNIPERUS SCOPULORUM (20% CANOPY COVER) , CERCOCARPUS LEDIFOLIUS (30%) , AGROPYRON SPICATUM (20%), ARISTIDA LONGISETA (10%), AND STIPA COMATA (10%). COMPLETE LIST ON FILE AT MONTANA NATURAL HERITAGE PROGRAM. General site description: STRUCTURALLY CONTROLLED MOUNTAIN SLOPE; PLOT POSITION IS UPPER SLOPE. QUARTZITE PARENT MATERIAL AND TYPIC USTORTHENT SOIL SUBGROUP. GROUND COVER: BARE SOIL (10%), TOTAL COARSE FRAGMENTS (50%). Land owner/manager: BLM: BUTTE DISTRICT, DILLON RESOURCE AREA Comments: MTNHP PLOT #91RD012. SURVEY CONDUCTED BY R. L. DEVELICE AND A. McALPINE. CA. 30% OF THE CERCOCARPUS LEDIFOLIUS PLANTS PRESENT ARE DEAD, AND MANY OF THE LIVING C. LEDIFOLIUS HAVE DEAD BRANCHES. JUNIPERUS SCOPULORUM MORTALITY IS ALSO PRESENT. THIS OCCURRENCE RECORD ALSO INCLUDES PLOT #91RD011, LOCATED CA . 0.2 MILE NORTH. Information source: DEVELICE, ROBERT. [COMMUNITY ECOLOGIST] . MONTANA NATURAL HERITAGE PROGRAM, 1515 EAST 6TH AVE., HELENA, MT 59620. U4 Scientific Name: JUNIPERUS SCOPULORUM/CERCOCARPUS LEDIFOLIUS PA Common Name: ROCKY MOUNTAIN JUNIPER/ CURL- LEAF MOUNTAIN MAHOGANY ASSOCIATION Global rank: G3 Forest Service status: State rank: S3 Federal Status: Element occurrence code: C2A2ABABN0 . 004 Survey site name: GOAT MOUNTAIN - SOUTH RIDGE EO rank: BC EO rank comments: THE PRESENCE OF INCREASER PLANTS SUGGESTS MODERATE DISTURBANCE BY DEER. County: SILVER BOW USGS quadrangle: MELROSE Township: OOIS Range: 009W Section: 32 Precision: S Township-range comments: NE4SE4 Survey date: 1991-06-03 Elevation: 5560 First observation: 1991 Slope/aspect: 25% / SOUTH Last observation: 1991-06-03 Size (acres) : 10 Location: FROM MOOSE CREEK ROAD EXIT (#99) ON INTERSTATE 15, PROCEED NORTH AND WEST ON FRONTAGE ROAD 0.5 MILE TO JUNCTION WITH GRAVEL ROAD. TAKE THIS GRAVEL ROAD SOUTH 1.2 MILES TO A Y INTERSECTION. GO RIGHT TO RIVER AND PARK (0.4 MILE). PLOT IS 0.3 MILE DUE NORTH TO THE RIGHT OF FIRST LIMESTONE OUTCROP ON LOWER LEFT-HAND RIDGE. Element occurrence data: WITHIN PLOT, 24 SPECIES OBSERVED. DOMINANTS INCLUDE: JUNIPERUS SCOPULORUM (3% CANOPY COVER) , CERCOCARPUS LEDIFOLIUS (60%) , GUTIERREZIA SAROTHRAE (3%), AGROPYRON SPICATUM (10%), AND ORYZOPSIS HYMENOIDES (10%) . COMPLETE LIST ON FILE AT MONTANA NATURAL HERITAGE PROGRAM. General site description: STRUCTURALLY CONTROLLED MOUNTAIN SLOPE; PLOT POSITION IS MID-SLOPE. LIMESTONE PARENT MATERIAL AND BOROLLIC CALCIORTHID SOIL SUBGROUP. GROUND COVER: BARE SOIL (20%) , TOTAL COARSE FRAGMENTS (43%) . Land owner/manager: BLM: BUTTE DISTRICT, HEADWATERS RESOURCE AREA PRIVATELY OWNED LAND (INDIVIDUAL OR CORPORATE) Comments : MTNHP PLOT #91RD020. SURVEY CONDUCTED BY R. L. DEVELICE AND J. SANDFORD. THE RELATIVELY HIGH COVER OF GUTIERREZIA SAROTHRAE MAY REFLECT THE NATURALLY UNSTABLE NATURE OF THE SUBSTRATE RATHER THAN HEAVY GRAZING EFFECTS. Information source: DEVELICE, ROBERT L. [COMMUNITY ECOLOGIST] . MONTANA NATURAL HERITAGE PROGRAM, 1515 EAST SIXTH AVE., FIELENA, MT 59620. 145 Scientific Name: JUNIPERUS SCOPULORUM/CERCOCARPUS LEDIFOLIUS PA Common Name: ROCKY MOUNTAIN JUNIPER/ CURL-LEAF MOUNTAIN MAHOGANY ASSOCIATION Global rank: G3 Forest Service status: State rank: S3 Federal Status: Element occurrence code: C2A2ABABN0 . 005 Survey site name: LIME GULCH SPRING NORTH EO rank: AB EO rank comments: BROWSING BY DEER AND ELK APPEARS TO BE EXCESSIVE. County: SILVER BOW USGS quadrangle: TUCKER CREEK Township: OOIS Range: 009W Section: 11 Precision: S Township-range comments: NW4NW4 Survey date: 1991-06-18 Elevation: 6240 First observation: 1991 Slope/aspect: 15% / SOUTHWEST Last observation: 1991-06-18 Size (acres) : 5 Location: FROM DIVIDE (TOWN), PROCEED NORTH ON FRONTAGE ROAD CA. 1.6 MILES TO ROAD LEADING EAST. TAKE THIS ROAD CA. 1.5 MILES EAST TO A RANCH HOUSE, AND ASK PERMISSION TO CROSS PRIVATE LAND TO SITE. PLOT IS ON WEST SLOPE OF RIDGE, 0.9 MILE SOUTHEAST OF RANCH HOUSE. Element occurrence data: WITHIN PLOT, 3 5 SPECIES OBSERVED. DOMINANTS INCLUDE: JUNIPERUS SCOPULORUM (1% CANOPY COVER) , CERCOCARPUS LEDIFOLIUS (40%) , ORYZOPSIS HYMENOIDES (3%), CYMOPTERIS BIPINNATUS (3%), AND HAPLOPAPPUS ACAULIS (3%) . COMPLETE LIST ON FILE AT MONTANA NATURAL HERITAGE PROGRAM. General site description: RESIDUAL MOUNTAIN SLOPE; PLOT POSITION IS UPPER SLOPE. LIMESTONE PARENT MATERIAL AND LITHIC USTIC TORRIORTHENT SOIL SUBGROUP. GROUND COVER: BARE SOIL (30%), TOTAL COARSE FRAGMENTS (21%). Land owner/manager: BLM: BUTTE DISTRICT, HEADWATERS RESOURCE AREA HUMBUG SPIRES PRIMITIVE AREA PRIVATELY OWNED LAND (INDIVIDUAL OR CORPORATE) Comments : MTNHP PLOT #91RD024. SURVEY CONDUCTED BY R. L. DEVELICE AND D. HEINZE. ARABIS FECUNDA PRESENT ON SITE. Information source: DEVELICE, ROBERT. [COMMUNITY ECOLOGIST] . MONTANA NATURAL HERITAGE PROGRAM, 1515 EAST SIXTH AVE., HELENA, MT 59620. U6 Scientific Name: JUNIPERUS SCOPULORUM/CERCOCARPUS LEDIFOLIUS PA Common Name: ROCKY MOUNTAIN JUNIPER/ CURL-LEAF MOUNTAIN MAHOGANY ASSOCIATION Global rank: G3 Forest Service status: State rank: S3 Federal Status: Element occurrence code: C2A2ABABN0 . 006 Survey site name: SANDY HOLLOW - QUARTZ ITE RIDGE NORTH EO rank: A EO rank comments: PRISTINE SITE. County: MADISON USGS quadrangle: BLOCK MOUNTAIN Township: 004S Range: 008W Section: 22 Precision: S Township-range comments: SE4NE4 Survey date: 1991-06-04 Elevation: 5600 First observation: 1991 Slope/aspect: 65% / NORTHWEST Last observation: 1991-06-04 Size (acres) : 5 Location: FROM GLEN, PROCEED SOUTH ON PAVEMENT CA. 0.7 5 MILE TO THE BURMA ROAD. TAKE THIS ROAD 7.5 MILES TO SANDY HOLLOW ROAD. TAKE THIS ROAD 3.05 MILES TO CONGLOMERATE DIKE. THE PLOT IS LOCATED ON THE NORTHWEST SLOPES, CA. 0.15 MILE EAST OF THE ROAD. Element occurrence data: WITHIN PLOT, 16 SPECIES OBSERVED. DOMINANTS INCLUDE: JUNIPERUS SCOPULORUM (20% CANOPY COVER), ARTEMISIA TRIDENTATA (10%), CERCOCARPUS LEDIFOLIUS (20%), AGROPYRON SPICATUM (10%), AND POA SANDBERGII (1%). COMPLETE LIST ON FILE AT MONTANA NATURAL HERITAGE PROGRAM. General site description: STRUCTURALLY CONTROLLED MOUNTAIN SLOPE; PLOT POSITION IS SHORT SLOPE. CONGLOMERATE PARENT MATERIAL AND LITHIC USTORTHENT SOIL SUBGROUP. GROUND COVER: BARE SOIL (0%) , TOTAL COARSE FRAGMENTS (61%) . Land owner/manager: BLM: BUTTE DISTRICT, DILLON RESOURCE AREA Comments: MTNHP PLOT #91RD006. SURVEY CONDUCTED BY R. L. DEVELICE, P. ACHUFF, AND A. McALPINE. Information source: DEVELICE, ROBERT. [COMMUNITY ECOLOGIST] . MONTANA NATURAL HERITAGE PROGRAM, 1515 EAST 6TH AVE., HELENA, MT 59620. M,7 Scientific Name: PHALARIS ARUNDINACEA CT Common Name: REED CANARY GRASS COMMUNITY Global rank: G4 Forest Service status: State rank: S4 Federal Status: Element occurrence code: C5B1CGABA0 . 001 Survey site name: HAHNKAMP ISLAND SOUTH #2 EO rank: AB EO rank comments: BASICALLY A PRISTINE SITE. County : BEAVERHEAD USGS quadrangle: EARLS GULCH Township: 003S Range: 009W Section: 02 Precision: S Township-range comments: SE4NW4 Survey date: 1991-08-21 Elevation: 5145 First observation: 1991 Slope/aspect: 1% / NORTH Last observation: 1991-08-21 Size (acres) : 1 Location: FROM MELROSE, PROCEED SOUTH 0.7 MILES ON THE FRONTAGE ROAD AND PARK. FORD THE BIG HOLE RIVER TO THE ISLAND. THE PLOT IS NEAR THE SOUTH END OF THE ISLAND, CA. 0.8 MILE TO THE SOUTH. Element occurrence data: WITHIN PLOT, 7 SPECIES OBSERVED. DOMINANTS INCLUDE: PHALARIS ARUNDINACEA (98% CANOPY COVER), POA PALUSTRIS (10%), CARDAMINE OLIGOSPERMA (1%)/ CIRSIUM ARVENSE (3%), AND MENTHA ARVENSIS (3%). COMPLETE LIST ON FILE AT MONTANA NATURAL HERITAGE PROGRAM. General site description: ALLUVIAL FLOOD PLAIN; PLOT POSITION IS STREAM BAR IN WIDE VALLEY BOTTOM. GRAVELLY ALLUVIUM PARENT MATERIAL AND TYPIC FLUVAQUENT SOIL SUBGROUP. GROUND COVER: BARE SOIL (20%) , TOTAL COARSE FRAGMENTS (0%) . Land owner/manager: ELM: BUTTE DISTRICT, DILLON RESOURCE AREA Comments: MTNHP PLOT #91RD051. SURVEY CONDUCTED BY R. L. DEVELICE. SPECIES RICHNESS IS LIKELY LOW DUE TO INTENSE COMPETITION WITH PHALARIS ARUNDINACEA. NOTE: LAND OWNERSHIP IS BLM, BUT MAY APPEAR AS PRIVATELY-OWNED LAND ON MAPS. Information source: DEVELICE, ROBERT. [COMMUNITY ECOLOGIST] . MONTANA NATURAL HERITAGE PROGRAM, 1515 EAST 6TH AVE., HELENA, MT 59620. 148 Scientific Name: PICEA SP/EQUISETUM ARVENSE PA Common Name: SPRUCE/FIELD HORSETAIL ASSOCIATION Global rank: G4 Forest Service status: State rank: S3 Federal Status: Element occurrence code: C1A9CDACA0 . 002 Survey site name: UPPER RED ROCK LAKE EO rank: A EO rank comments: VERY HIGH QUALITY OLD-GROWTH PICEA ENGELMANNII WETLAND SITE. County: BEAVERHEAD USGS quadrangle: UPPER RED ROCK LAKE Township: 014S Range: OOIW Section: 22 Precision: S Township-range comments: SE4SE4 Survey date: 1991-07-26 Elevation: 6620 First observation: 1991 Slope/aspect: 3% / NORTH Last observation: 1991-07-26 Size (acres) : 10 Location: FROM MONIDA, PROCEED EAST ON MAIN GRAVEL ROAD CA. 3 2 MILES TO UPPER LAKE CAMPGROUND. CONTINUE PAST CAMPGROUND 1.5 MILES AND PARK. THE PLOT IS IN THE PROMINENT SPRUCE STAND 0.2 MILE DUE NORTH. Element occurrence data: WITHIN PLOT, 29 SPECIES OBSERVED. DOMINANTS INCLUDE: PICEA ENGELMANNII (80% CANOPY COVER) , LINNAEA BOREALIS (20%) , CALAMAGROSTIS CANADENSIS (10%), ACTAEA RUBRA (20%), AND EQUISETUM ARVENSE (50%). COMPLETE LIST ON FILE AT MONTANA NATURAL HERITAGE PROGRAM. General site description: LACUSTRINE BASIN; PLOT POSITION IS TERRACE IN WIDE VALLEY BOTTOM. MIXED ALLUVIUM PARENT MATERIAL AND HISTIC CRYAQUALL SOIL SUBGROUP. GROUND COVER: BARE SOIL (TRACE) , TOTAL COARSE FRAGMENTS (0%) . Land owner/manager: RED ROCK LAKES WILDERNESS RED ROCK LAKES NATIONAL WILDLIFE REFUGE Comments: MTNHP PLOT #91RD043. SURVEY CONDUCTED BY R. L. DEVELICE. THE PICEA TREES PRESENT APPEAR TO BE P. ENGELMANNII X P. GLAUCA HYBRIDS. Information source: DEVELICE, ROBERT. [COMMUNITY ECOLOGIST] . MONTANA NATURAL HERITAGE PROGRAM, 1515 EAST SIXTH AVE., HELENA, MT 59620. 149 Scientific Name: PINUS ALBICAULIS-ABIES LASIOCARPA PA Common Name: WHITE BARK PINE-SUBALPINE FIR ASSOCIATION Global rank: G5 Forest Service status: State rank: S5 Federal Status: Element occurrence code: C1A9BBADA0 . 009 Survey site name: NEMESIS MOUNTAIN - COLE CREEK RIDGE EO rank: A EO rank comments: PRISTINE SITE County: BEAVERHEAD USGS quadrangle: MOUNT JEFFERSON Township: 014S Range: 002W Section: 31 Precision: S Township-range comments: NE4NW4 Survey date: 1991-07-25 Elevation: 9320 First observation: 1991 Slope/aspect: 15% / SOUTHEAST Last observation: 1991-07-25 Size (acres) : 5 Location: FROM MONIDA, PROCEED EAST ON MAIN GRAVEL ROAD 44.5 MILES TO RED ROCK PASS. PARK. TAKE THE CONTINENTAL DIVIDE TRAIL CA. 1.5 MILES SOUTHWEST. PLOT IS ON THE CREST OF THE KNOLL, 0.6 MILE SOUTHEAST OF THE SUMMIT OF NEMESIS MOUNTAIN. Element occurrence data: WITHIN PLOT, 3 2 SPECIES OBSERVED. DOMINANTS INCLUDE: PINUS ALBICAULIS (10% CANOPY COVER) , ABIES LASIOCARPA (TRACE) , HAPLOPAPPUS ACAULIS (1%), IVESIA GORDONII (1%), AND SOLIDAGO MULTIRADIATA (3%). COMPLETE LIST ON FILE AT MONTANA NATURAL HERITAGE PROGRAM. General site description: GLACIATED MOUNTAIN RIDGE; PLOT POSITION IS NARROW RIDGE. QUARTZ ITE PARENT MATERIAL AND LITHIC CRYOCHREPT SOIL SUBGROUP. GROUND COVER: BARE SOIL (20%) , TOTAL COARSE FRAGMENTS (60%) . Land owner/manager: BEAVERHEAD NATIONAL FOREST, MADISON RANGER DISTRICT Comments : MTNHP PLOT #91RD041. SURVEY CONDUCTED BY R. L. DEVELICE. LESQUERELLA (PAYSONII?) PRESENT ON SITE. Information source: DEVELICE, ROBERT. [COMMUNITY ECOLOGIST] . MONTANA NATURAL HERITAGE PROGRAM, 1515 EAST SIXTH AVE., HELENA, MT 59620. 150 Scientific Name: PINUS ALBICAULIS-ABIES LASIOCARPA PA Common Name: WHITE BARK PINE-SUBALPINE FIR ASSOCIATION Global rank: G5 State rank: S5 Forest Service status; Federal Status; Element occurrence code; C1A9BBADA0.010 Survey site name: EO rank: EO rank comments: NEMESIS MOUNTAIN - SOUTHEAST RIDGE A PRISTINE SITE. County: BEAVERHEAD USGS quadrangle: MOUNT JEFFERSON Township: 014S Range: OOIE Section: 36 Township-range comments: NE4NE4 Precision: S Survey date: First observation: Last observation: 1991-07-26 1991 1991-07-26 Elevation: 8980 Slope/aspect: 60% / SOUTH Size (acres) : 1 Location: FROM MONIDA, PROCEED EAST ON MAIN GRAVEL ROAD 44.5 MILES TO RED ROCK PASS. PARK. TAKE THE CONTINENTAL DIVIDE TRAIL CA. 1.5 MILES SOUTHWEST. PLOT IS JUST BELOW SADDLE ON SOUTHEAST RIDGE OF NEMESIS MOUNTAIN, CA. 0.3 MILE SOUTHEAST OF SUMMIT. Element occurrence data: WITHIN PLOT, 41 SPECIES OBSERVED. DOMINANTS INCLUDE: PINUS ALBICAULIS (30% CANOPY COVER), ABIES LASIOCARPA (1%), PSEUDOTSUGA MENZIESII (10%), JUNIPERUS COMMUNIS (3%), AND CALAMAGROSTIS PURPURASCENS (20%). COMPLETE LIST ON FILE AT MONTANA NATURAL HERITAGE PROGRAM. General site description: GLACIATED MOUNTAIN RIDGE; PLOT POSITION IS UPPER SLOPE. QUARTZ ITE PARENT MATERIAL AND ARGIC CRYOBOROLL SOIL SUBGROUP. GROUND COVER: BARE SOIL (10%), TOTAL COARSE FRAGMENTS (50%). Land owner/manager: BLM: BUTTE DISTRICT, DILLON RESOURCE AREA Comments : MTNHP PLOT #91RD042. SURVEY CONDUCTED BY R. L. DEVELICE. THE HIGH SPECIES RICHNESS PRESENT MAY BE IN RESPONSE TO HIGH MICRO-HABITAT DIVERSITY. THE TREES PRESENT ARE WIND-SHAPED. LESQUERELLA (PAYSONII?) PRESENT ON SITE. Information source: DEVELICE, ROBERT. [COMMUNITY ECOLOGIST] . MONTANA NATURAL HERITAGE PROGFIAM, 1515 EAST SIXTH AVE., HELENA, MT 59620. 151 Scientific Name: PINUS FLEXILIS/AGROPYRON SPICATUM PA Common Name: LIMBER PINE/BLUEBUNCH WHEATGRASS ASSOCIATION Global rank: G5 State rank: S4 Forest Service status; Federal Status; Element occurrence code: C2A2ADABA0 . 002 Survey site name: BIG SHEEP CREEK SLIDE - SOUTHEAST EO rank: A EO rank comments: SOME EVIDENCE OF HEAVY DEER BROWSING BUT SITE IS BASICALLY PRISTINE. County: BEAVERHEAD USGS quadrangle: CABOOSE CANYON Township: 015S Range: OlOW Section: 10 Township-range comments: SW4NE4 Survey date: First observation; Last observation; 1991-07-09 1991 1991-07-09 Elevation: 7000 Slope/aspect: 65% Size (acres) : 10 Precision; / SOUTH Location: FROM DELL, PROCEED SOUTH ALONG INTERSTATE 15 FRONTAGE ROAD FOLLOWING THE BIG SHEEP CREEK SIGNS. CONTINUE 1.7 MILES TO A T INTERSECTION AND TAKE THE FORK LEADING SOUTHWEST. PROCEED 8 MILES TO A Y INTERSECTION AND TAKE THE ROAD LEADING SOUTH. PROCEED 7.5 MILES AND PARK. PLOT IS CA. 0.15 MILE NORTHWEST. Element occurrence data: WITHIN PLOT, 19 SPECIES OBSERVED. DOMINANTS INCLUDE: PINUS FLEXILIS (3% CANOPY COVER), ARTEMISIA ARBUSCULA (10%), ARTEMISIA FRIGIDA (10%), AGROPYRON SPICATUM (20%) , AND HESPEROCHLOA KINGII (3%) . COMPLETE LIST ON FILE AT MONTANA NATURAL HERITAGE PROGRAM. General site description: MASS WASTED SLOPE; PLOT POSITION IS MID-SLOPE. LIMESTONE PARENT MATERIAL AND TYPIC USTORTHENT SOIL SUBGROUP. GROUND COVER: BARE SOIL (10%), TOTAL COARSE FRAGMENTS (60%). Land owner/manager: BLM: BUTTE DISTRICT, DILLON RESOURCE AREA Comments: MTNHP PLOT #91RD027 SURVEY CONDUCTED BY R. L. DEVELICE. Information source: DEVELICE, ROBERT L. [COMMUNITY ECOLOGIST] . MONTANA NATURAL HERITAGE PROGRAM, 1515 EAST SIXTH AVE., HELENA, MT 59620. 152 Scientific Name: PINUS FLEXILIS/CERCOCARPUS LEDIFOLIUS PA Common Name: LIMBER PINE/ CURL-LEAF MOUNTAIN MAHOGANY ASSOCIATION Global rank: G3? State rank: S3? Forest Service status: Federal Status: Element occurrence code: C2A2ADABM0 . 001 Survey site name: LIME GULCH SPRING SOUTH EO rank: AB EO rank comments: RECOVERING FROM FIRE CA. 50 YEARS AGO. SOME TREES SALVAGE-LOGGED. HEAVY USE BY DEER AND ELK IS APPARENT. County: SILVER BOW USGS quadrangle: TUCKER CREEK Township: OOIS Range: 009W Section: 11 Township-range comments: NW4NW4 Precision: S Survey date : First observation: Last observation: 1991-06-11 1991 1991-06-11 Elevation: 6220 Slope/aspect: 40% / SOUTHWEST Size (acres) : 10 Location: FROM DIVIDE (TOWN), PROCEED NORTH ON FRONTAGE ROAD CA. 1.6 MILES TO ROAD LEADING EAST. TAKE THIS ROAD CA. 1.5 MILES EAST TO A RANCH HOUSE, AND ASK PERMISSION TO CROSS PRIVATE LAND TO SITE. PLOT IS ON WEST SLOPE OF RIDGE, 0.9 MILE SOUTHEAST OF RANCH HOUSE. Element occurrence data: WITHIN PLOT, 21 SPECIES OBSERVED. DOMINANTS INCLUDE: PINUS FLEXILIS (3% CANOPY COVER), JUNIPERUS SCOPULORUM (1%), CERCOCARPUS LEDIFOLIUS (30%) , AGROPYRON SPICATUM (TRACE) , AND ORYZOPSIS HYMENOIDES (TRACE) . COMPLETE LIST ON FILE AT MONTANA NATURAL HERITAGE PROGRAM. General site description: RESIDUAL MOUNTAIN SLOPE; PLOT POSITION IS MID-SLOPE. LIMESTONE PARENT MATERIAL AND LITHIC USTORTHENT SOIL SUBGROUP. GROUND COVER: BARE SOIL (20%), TOTAL COARSE FRAGMENTS (70%). Land owner/manager: BLM: BUTTE DISTRICT, HEADWATERS RESOURCE AREA HUMBUG SPIRES PRIMITIVE AREA Comments : MTNHP PLOT r?91RD016. SURVEY CONDUCTED BY R. FECUNDA PRESENT ON SITE. DEVELICE. ARABIS Information source: DEVELICE, ROBERT. [COMMUNITY ECOLOGIST] . MONTANA NATURAL HERITAGE PROGRAM, 1515 EAST SIXTH AVE., HELENA, MT 59620. 153 Scientific Name: PINUS FLEXILIS/CERCOCARPUS LEDIFOLIUS PA Common Name: LIMBER PINE/ CURL-LEAF MOUNTAIN MAHOGANY ASSOCIATION Global rank: G3? State rank: S3? Forest Service status; Federal Status; Element occurrence code: C2A2ADABM0 . 002 Survey site name: QUARTZ HILL GULCH EO rank: EC EO rank comments: ENHANCED EROSION AND HEAVY BROWSING SUGGEST HEAVY USE BY DEER. County: BEAVERHEAD USGS quadrangle: DEWEY Township: OOIS Range: OlOW Section: 08 Township-range comments: SE4NE4 Survey date: First observation: Last observation: 1991-06-11 1991 1991-06-11 Elevation: 6040 Slope/aspect: 65% Size (acres) : 20 Precision; / SOUTHEAST Location: FROM DEWEY, PROCEED WEST ON STATE HIGHWAY 43 0.3 MILE TO QUARTZ HILL ROAD. TAKE THIS ROAD SOUTH 1 MILE AND PARK. PLOT IS BETWEEN TWO CLIFF BANDS ON EAST-FACING SLOPE ABOVE. Element occurrence data: WITHIN PLOT, 17 SPECIES OBSERVED. DOMINANTS INCLUDE: PINUS FLEXILIS (1% CANOPY COVER), JUNIPERUS SCOPULORUM (3%), CERCOCARPUS LEDIFOLIUS (10%), AGROPYRON SPICATUM (1%), AND ORYZOPSIS HYMENOIDES (3%). COMPLETE LIST ON FILE AT MONTANA NATURAL HERITAGE PROGRAM. General site description: RESIDUAL MOUNTAIN SLOPE; PLOT POSITION IS MID-SLOPE. LIMESTONE PARENT MATERIAL AND LITHIC USTORTHENT SOIL SUBGROUP. GROUND COVER: BARE SOIL (40%), TOTAL COARSE FRAGMENTS (60%). Land owner/manager: BLM: BUTTE DISTRICT, DILLON RESOURCE AREA Comments : MTNHP PLOT #91RD017. SURVEY CONDUCTED BY R. L. DEVELICE. THE DEGREE OF EROSION APPEARS TO BE INCREASING ON THIS SITE AND GULLIES ARE BEGINNING TO FORM. ARABIS FECUNDA PRESENT ON SITE. Information source: DEVELICE, ROBERT. [COMMUNITY ECOLOGIST] . MONTANA NATURAL HERITAGE PROGRAM, 1515 EAST SIXTH AVE., HELENA, MT 59620. 154 Scientific Name: PINUS FLEXILIS/CERCOCARPUS LEDIFOLIUS PA Common Name: LIMBER PINE/ CURL-LEAF MOUNTAIN MAHOGANY ASSOCIATION Global rank: G3? State rank: S3? Forest Service status; Federal Status; Element occurrence code; C2A2ADABM0.003 Survey site name: EO rank: EO rank comments: SCUDDER CREEK EXCLOSURE B THE SITE HAS NOT BEEN GRAZED SINCE 1963 BUT IS SURROUNDED BY HEAVILY BROWSED LANDS. County: BEAVERHEAD USGS quadrangle: POLARIS Township: 006S Range: 012W Section: 20 Township-range comments: NE4NE4 Precision; Survey date: First observation: Last observation: 1991-07-08 1991 1991-07-08 Elevation: 6680 Slope/aspect: 18% / EAST Size (acres) : 5 Location: FROM EXIT #59 ON INTERSTATE 15, PROCEED WEST ON HIGHWAY 278 FOR 25 MILES TO THE POLARIS TURNOFF. TAKE THE GRAVEL POLARIS ROAD 2 MILES NORTH TO A JEEP TRAIL LEADING EAST (THROUGH A GATE) . TAKE THIS JEEP TRAIL 1.3 MILES TO A FAINT JEEP TRAIL LEADING SOUTH. PARK AND WALK 0.2 5 MILE SOUTH ON THE TRAIL. THE EXCLOSURE IS ON THE RIDGE TO THE EAST. Element occurrence data: WITHIN PLOT, 3 0 SPECIES OBSERVED. DOMINANTS INCLUDE: PINUS FLEXILIS (TRACE CANOPY COVER), JUNIPERUS SCOPULORUM (1%), CERCOCARPUS LEDIFOLIUS (40%), CHRYSOTHAMNUS NAUSEOSUS (3%), AND CAREX ROSSII (20%) . COMPLETE LIST ON FILE AT MONTANA NATURAL HERITAGE PROGRAM. General site description: STRUCTURALLY CONTROLLED MOUNTAIN SLOPE; PLOT POSITION IS NARROW RIDGE. LIMESTONE PARENT MATERIAL AND LITHIC USTORTHENT SOIL SUBGROUP. GROUND COVER: BARE SOIL (20%) , TOTAL COARSE FRAGMENTS (13%) . Land owner/manager: BLM: BUTTE DISTRICT, DILLON RESOURCE AREA Comments: MTNHP PLOT #91RD026. SURVEY CONDUCTED BY R. L. DEVELICE. EXCLOSURE ESTABLISHED IN 1963 ( PERS . COMM. , JACK JONES, BLM, BUTTE). CA. 20% OF THE CERCOCARPUS LEDIFOLIUS PLANTS PRESENT ARE DEAD. LESQUERELLA (PAYSONII?) PRESENT ON SITE. AN ADDITIONAL PLOT OF THIS TYPE WAS ESTABLISHED CA. 0.25 MILE NORTH OF SITE (#91RD034). Information source: DEVELICE, ROBERT L. [COMMUNITY ECOLOGIST] . MONTANA NATURAL HERITAGE PROGRAM, 1515 EAST SIXTH AVE., HELENA, MT 59620. 155 BLANK PAGE 156 Scientific Name: POPULUS TRICHOCARPA/CORNUS STOLONIFERA CT Common Name: BLACK COTTONWOOD/RED-OSIER DOGWOOD COMMUNITY Global rank: G4 Forest Service status: State rank: S4 Federal Status: Element occurrence code: C1B3DFACA0 . 003 Survey site name: HAHNKAMP ISLAND SOUTH i^l EO rank: EC EO rank comments: CATTLE APPEAR TO HAVE SIGNIFICANTLY DISTURBED SITE IN THE PAST. County : BEAVERHEAD USGS quadrangle: EARLS GULCH Township: 003S Range: 009W Section: 02 Precision: S Township-range comments: SE4NW4 Survey date: 1991-08-19 Elevation: 5150 First observation: 1991 Slope/aspect: 0% / NORTH Last observation: 1991-08-19 Size (acres) : 2 Location: FROM MELROSE, PROCEED SOUTH 0.7 MILES ON THE FRONTAGE ROAD AND PARK. FORD THE BIG HOLE RIVER TO THE ISLAND. THE PLOT IS NEAR THE SOUTH END OF THE ISLAND, CA. 0.8 MILE TO THE SOUTH. Element occurrence data: WITHIN PLOT, 21 SPECIES OBSERVED. DOMINANTS INCLUDE: POPULUS TRICHOCARPA (70% CANOPY COVER) , JUNIPERUS SCOPULORUM (3%) , ROSA ACICULARIS (80%), POA PALUSTRIS (20%), AND POA PRATENSIS (30%). COMPLETE LIST ON FILE AT MONTANA NATURAL HERITAGE PROGRAM. General site description: ALLUVIAL FLOOD PLAIN; PLOT POSITION IS FLOOD PLAIN IN WIDE VALLEY BOTTOM. GRAVELLY ALLUVIUM PARENT MATERIAL AND TYPIC UDIFLUVENT SOIL SUBGROUP. GROUND COVER: BARE SOIL (10%), TOTAL COARSE FRAGMENTS (TRACE) . Land owner/manager: BLM: BUTTE DISTRICT, DILLON RESOURCE AREA Comments : MTNHP PLOT #91RD047. SURVEY CONDUCTED BY R. L. DEVELICE. VEGETATION COMPOSITION WITHIN THIS SITE IS VERY HETEROGENEOUS SPATIALLY. THIS LIKELY REFLECTS THE PATTERN OF ALLUVIAL DISTURBANCES ACTIVE AT THE SITE. NOTE: LAND OWNERSHIP IS BLM, EVEN THOUGH MAPS MAY SHOW AREA AS PRIVATELY-OWNED . Information source: DEVELICE, ROBERT. [COMMUNITY ECOLOGIST] . MONTANA NATURAL HERITAGE PROGRAM, 1515 EAST 6TH AVE., HELENA, MT 59620. 157 Scientific Name: POPULUS TRICHOCARPA/CORNUS STOLONIFERA CT Common Name: BLACK COTTONWOOD/RED-OSIER DOGWOOD COMMUNITY Global rank: G4 Forest Service status: State rank: S4 Federal Status: Element occurrence code: C1B3DFACA0 . 004 Survey site name: MAIDEN EXCLOSURE - SOUTHEAST EO rank: EC EO rank comments: THE SITE APPEARS TO HAVE BEEN HEAVILY GRAZED PRIOR TO EXCLOSURE ESTABLISHMENT IN 1984. County: BEAVERHEAD USGS quadrangle: MELROSE Township: OOIS Range: 009W Section: 32 Precision: S Township-range comments: SE4SE4 Survey date: 1991-08-20 Elevation: 5325 First observation: 1991 Slope/aspect: 2% / NORTHWEST Last observation: 1991-08-20 Size (acres) : 1 Location: FROM THE MOOSE CREEK ROAD EXIT (#99) ON INTERSTATE 15, PROCEED NORTH AND WEST ON FRONTAGE ROAD 0.5 MILE TO JUNCTION WITH A GRAVEL ROAD. TAKE THIS GRAVEL ROAD SOUTH 1.2 MILES TO A Y INTERSECTION. GO LEFT AND RIGHT CA. 1 MILE TO A BRIDGE CROSSING THE RIVER. CROSS THE BRIDGE. EXCLOSURE IS TO THE RIGHT. Element occurrence data: WITHIN PLOT, 23 SPECIES OBSERVED. DOMINANTS INCLUDE: POPULUS TRICHOCARPA (90% CANOPY COVER), SALIX EXIGUA (10%), CORNUS STOLONIFERA (1%), ROSA ACICULARIS (10%), AND POA PALUSTRIS (40%). COMPLETE LIST ON FILE AT MONTANA NATURAL HERITAGE PROGRAM. General site description: ALLUVIAL FLOOD PLAIN; PLOT POSITION IS FLOOD PLAIN IN WIDE VALLEY BOTTOM. GRAVELLY ALLUVIUM PARENT MATERIAL AND TYPIC UDIFLUVENT SOIL SUBGROUP. GROUND COVER: BARE SOIL (1%), TOTAL COARSE FRAGMENTS (0%). Land owner/manager: BLM: BUTTE DISTRICT, HEADWATERS RESOURCE AREA PRIVATELY OWNED LAND (INDIVIDUAL OR CORPORATE) Comments: MTNHP PLOT #91RD048. SURVEY CONDUCTED BY R. L. DEVELICE. EXCLOSURE ESTABLISHED IN 1984 (PERS. COMM. , JACK JONES, BLM, BUTTE). AN OLD-GROWTH POPULUS TRICHOCARPA STAND WITH P. TRICHOCARPA SAPLING AND SMALL TREE MORTALITY IN THE UNDERSTORY, AND MANY DEAD BRANCHES IN THE MATURE P. TRICHOCARPA. Information source: DEVELICE, ROBERT L. [COMMUNITY ECOLOGIST] . MONTANA NATURAL HERITAGE PROGRAM, 1515 EAST SIXTH AVE., HELENA, MT 59620. 158 BLANK PAGE 159 Scientific Name: PSEUDOTSUGA MENZIESII/CERCOCARPUS LEDIFOLIUS PA Common Name: DOUGLAS FIR/ CURL- LEAF MOUNTAIN MAHOGANY ASSOCIATION Global rank: G3? Forest Service status: State rank: S3? Federal Status: Element occurrence code: C2A2BBABH0 . 001 Survey site name: LIME GULCH SOUTH EO rank: B EO rank comments: THE PRESENCE OF INCREASER SPECIES IS LIKELY THE RESULT OF HEAVY GRAZING DISTURBANCE ON ADJACENT SITES, AND THE NATURALLY UNSTABLE SUBSTRATE PRESENT. County: SILVER BOW USGS quadrangle: TUCKER CREEK Township: OOIS Range: 009W Section: 15 Precision: S Township-range comments: NE4NW4 Survey date: 1991-06-10 Elevation: 5920 First observation: 1991 Slope/aspect: 65% / WEST Last observation: 1991-06-10 Size (acres) : 1 Location: FROM DIVIDE (TOWN) , PROCEED EAST 1 MILE ON STATE HIGHWAY 4 3 TO INTERSTATE 15. DRIVE UNDER OVERPASS AND PARK BY FENCE ON EAST SIDE OF INTERSTATE. PLOT IS DUE EAST 1.25 MILES, IN FOREST JUST ABOVE THE FOREST-GRASSLAND ECOTONE. Element occurrence data: WITHIN PLOT, 17 SPECIES OBSERVED. DOMINANTS INCLUDE: PSEUDOTSUGA MENZIESII (10% CANOPY COVER), CERCOCARPUS LEDIFOLIUS (50%), ARTEMISIA TRIDENTATA (TRACE) , AGROPYRON SPICATUM (TRACE) , AND POA SANDBERGII (TRACE) . COMPLETE LIST ON FILE AT MONTANA NATURAL HERITAGE PROGRAM. General site description: RESIDUAL MOUNTAIN SLOPE; PLOT POSITION IS MID-SLOPE. GRANITE PARENT MATERIAL AND TYPIC USTORTHENT SOIL SUBGROUP. GROUND COVER: BARE SOIL (10%), TOTAL COARSE FRAGMENTS (80%). Land owner/manager: BLM: BUTTE DISTRICT, HEADWATERS RESOURCE AREA HUMBUG SPIRES PRIMITIVE AREA Comments: MTNHP PLOT #91RD014. SURVEY CONDUCTED BY R. L. DEVELICE. CA. 20% OF THE CERCOCARPUS LEDIFOLIUS PLANTS PRESENT ARE DEAD. DRABA DENSIFOLIA PRESENT ON SITE. Information source: DEVELICE, ROBERT. [COMMUNITY ECOLOGIST]. MONTANA NATURAL HERITAGE PROGRAM, 1515 EAST SIXTH AVE., HELENA, MT 59620. 160 Scientific Name: PSEUDOTSUGA MENZIESII/CERCOCARPUS LEDIFOLIUS PA Common Name: DOUGLAS FIR/ CURL-LEAF MOUNTAIN MAHOGANY ASSOCIATION Global rank: State rank: G3? Forest Service status; S3? Federal Status; Element occurrence code: C2A2BBABH0 . 002 Survey site name; EO rank; EG rank comments; SELWAY SPRING EC MODERATE TO HEAVY BROWSING BY DEER ON THIS STEEP, UNSTABLE SLOPE HAS RESULTED IN SOME SITE DEGRADATION. County: SILVER BOW USGS quadrangle: MELROSE Township: OOIS Range: 009W Section: 15 Township-range comments: SE4SW4 Survey date : First observation: Last observation: 1001-06-10 1991 1991-06-10 Precision; Elevation: 5920 Slope/aspect: 35% / WEST Size (acres) : 5 Location: FROM DIVIDE (TOWN) , PROCEED EAST 1 MILE ON STATE HIGHWAY 4 3 TO INTERSTATE 15. DRIVE UNDER OVERPASS AND PARK BY FENCE ON EAST SIDE OF INTERSTATE. PLOT IS CA. 1.5 MILES SOUTHEAST IN FOREST JUST ABOVE THE FOREST-GRASSLAND ECOTONE, AND UPSLOPE FROM SELWAY SPRING. Element occurrence data: WITHIN PLOT, 18 SPECIES OBSERVED. DOMINANTS INCLUDE: PSEUDOTSUGA MENZIESII (20% CANOPY COVER), CERCOCARPUS LEDIFOLIUS (70%), ARTEMISIA FRIGIDA (TRACE) , AGROPYRON SPICATUM (TRACE) , AND POA SANDBERGII (TRACE) . COMPLETE LIST ON FILE AT MONTANA NATURAL HERITAGE PROGRAM, General site description: RESIDUAL MOUNTAIN SLOPE; PLOT POSITION IS MID-SLOPE. GRANITE PARENT MATERIAL AND TYPIC USTORTHENT SOIL SUBGROUP. GROUND COVER: BARE SOIL (10%), TOTAL COARSE FRAGMENTS (70%). Land owner/manager: BLM: BUTTE DISTRICT, HEADWATERS RESOURCE AREA HUMBUG SPIRES PRIMITIVE AREA Comments: MTNHP PLOT #91RD015. SURVEY CONDUCTED BY R. L. DEVELICE. Information source: DEVELICE, ROBERT L. PROGRAM, 1515 EAST [COMMUNITY SIXTH AVE. , ECOLOGIST] , HELENA, MT MONTANA 59620. NATURAL HERITAGE 161 Scientific Name: PSEUDOTSUGA MENZIESII/CERCOCARPUS LEDIFOLIUS PA Common Name: DOUGLAS FIR/ CURL-LEAF MOUNTAIN MAHOGANY ASSOCIATION Global rank; State rank: G3? Forest Service status; S3? Federal Status; Element occurrence code: C2A2BBABH0 . 003 Survey site name: EO rank: EO rank comments: MOOSE CREEK/MUD SPRING RIDGE AB ENHANCED EROSION AND PRESENCE OF INCREASER PLANTS SUGGESTS MODERATE DISTURBANCE BY DEER. County: SILVER BOW USGS quadrangle: MELROSE Township: OOIS Range: 009W Section: 23 Township-range comments: NE4SW4 Survey date: First observation; Last observation; 1991-06-12 1991 1991-06-12 Elevation: 6600 Slope/aspect: 50% Size (acres) : 1 Precision: S / SOUTHWEST Location: TAKE MOOSE CREEK EXIT (#99) OFF INTERSTATE 15. PROCEED EAST ON MOOSE CREEK ROAD 2.5 MILES AND PARK. PLOT IS JUST BELOW RIDGECREST, CA. 0.4 MILE WNW. Element occurrence data: WITHIN PLOT, 17 SPECIES OBSERVED. DOMINANTS INCLUDE: PSEUDOTSUGA MENZIESII (10% CANOPY COVER), JUNIPERUS SCOPULORUM (10%), ARTEMISIA TRIDENTATA (20%), CERCOCARPUS LEDIFOLIUS (10%), AND AGROPYRON SPICATUM (20%) . COMPLETE LIST ON FILE AT MONTANA NATUFIAL HERITAGE PROGRAM. General site description: RESIDUAL MOUNTAIN SLOPE; PLOT POSITION IS UPPER SLOPE. SCHIST PARENT MATERIAL AND TYPIC ARGIBOROLL SOIL SUBGROUP. GROUND COVER: BARE SOIL (20%) , TOTAL COARSE FRAGMENTS (40%) . Land owner/manager: BLM: BUTTE DISTRICT, HEADWATERS RESOURCE AREA HUMBUG SPIRES PRIMITIVE AREA Comments: MTNHP PLOT #91RD019. SURVEY CONDUCTED BY R, DEVELICE, Information source: DEVELICE, ROBERT L. [COMMUNITY ECOLOGIST]. MONTANA NATURAL HERITAGE PROGRAM, 1515 EAST SIXTH AVE., HELENA, MT 59620. 162 Scientific Name: PSEUDOTSUGA MENZIESII/CERCOCARPUS LEDIFOLIUS PA Common Name: DOUGLAS FIR/ CURL-LEAF MOUNTAIN MAHOGANY ASSOCIATION Global rank: G3? Forest Service status: State rank: S3? Federal Status: Element occurrence code: C2A2BBABH0 . 004 Survey site name: GOAT MOUNTAIN - SUMMIT EO rank: A EO rank comments: PRISTINE SITE, EXCEPT FOR HIGHER THAN NORMAL DEER USE. County: SILVER BOW USGS quadrangle: MELROSE Township: OOIS Range: 009W Section: 32 Precision: S Township-range comments: NE4NE4 Survey date: 1991-06-13 Elevation: 6460 First observation: 1991 Slope/aspect: 5% / SOUTH Last observation: 1991-06-13 Size (acres) : 5 Location: FROM MOOSE CREEK ROAD EXIT ON INTERSTATE 15 (#99), PROCEED NORTH AND WEST ON FRONTAGE ROAD 0.5 MILE TO JUNCTION WITH A GRAVEL ROAD. TAKE THIS ROAD SOUTH 1.2 MILES TO A Y INTERSECTION, GO RIGHT, AND CONTINUE TO THE RIVER (0.4 MILE) AND PARK. PLOT IS CA. 0.7 5 MILE NORTHWEST, ON SUMMIT OF GOAT MOUNTAIN. Element occurrence data: WITHIN PLOT, 12 SPECIES OBSERVED. DOMINANTS INCLUDE: PSEUDOTSUGA MENZIESII (3% CANOPY COVER) , ARTEMISIA TRIDENTATA (TRACE) , CERCOCARPUS LEDIFOLIUS (70%) , AGROPYRON SPICATUM (TRACE) , AND POA SANDBERGII (TRACE) . COMPLETE LIST ON FILE AT MONTANA NATURAL HERITAGE PROGRAM. General site description: RESIDUAL MOUNTAIN RIDGE; PLOT POSITION IS NARROW RIDGE. QUARTZITE PARENT MATERIAL AND LITHIC ARGIBOROLL SOIL SUBGROUP. GROUND COVER: BARE SOIL (3%), TOTAL COARSE FRAGMENTS (40%). Land owner/manager: BLM: BUTTE DISTRICT, HEADWATERS RESOURCE AREA PRIVATELY OWNED LAND (INDIVIDUAL OR CORPORATE) Comments : MTNHP PLOT #91RD021. SURVEY CONDUCTED BY R. L. DEVELICE. THE COVER OF PSEUDOTSUGA MENZIESII APPEARS TO BE INCREASING, PERHAPS AS A RESULT OF FIRE SUPPRESSION. Information source: DEVELICE, ROBERT L. [COMMUNITY ECOLOGIST] . MONTANA NATURAL HERITAGE PROGRAM, 1515 EAST SIXTH AVE., HELENA, MT 59620. 163 Scientific Name: SALIX EXIGUA CT Common Name: RIVERBANK WILLOW COMMUNITY Global rank: G5 State rank: S4 Forest Service status; Federal Status; Element occurrence code: C3B4CDABA0. 001 Survey site name: EO rank: EO rank comments: MAIDEN EXCLOSURE - NORTHEAST B ALTHOUGH THE SURROUNDING LANDS WERE LIKELY HEAVILY GRAZED PRIOR TO EXCLOSURE ESTABLISHMENT IN 1984, IS IS DOUBTFUL CATTLE FREQUENTED SUCH DENSE SALIX STANDS. County: BEAVERHEAD USGS quadrangle: MELROSE Township: OOIS Range: 009W Section: Township-range comments: NE4SE4 32 Precision; Survey date: First observation: Last observation: 1991-08-20 1991 1991-08-20 Elevation: 5320 Slope/aspect: 2% / NORTHEAST Size (acres) : 1 Location: FROM THE MOOSE CREEK ROAD EXIT (#99) ON INTERSTATE 15, PROCEED NORTH AND WEST ON FRONTAGE ROAD 0.5 MILE TO JUNCTION WITH A GRAVEL ROAD. TAKE THIS GRAVEL ROAD SOUTH 1.2 MILES TO A Y INTERSECTION. GO LEFT AND RIGHT CA. 1 MILE TO A BRIDGE CROSSING THE RIVER. CROSS THE BRIDGE. EXCLOSURE IS TO THE RIGHT. Element occurrence data: WITHIN PLOT, 11 SPECIES OBSERVED. DOMINANTS INCLUDE: SALIX EXIGUA (98% CANOPY COVER) , CORNUS STOLONIFERA (TRACE) , ELEOCHARIS PALUSTRIS (TRACE), PHALARIS ARUNDINACEA (1%), AND MENTHA ARVENSIS (1%). COMPLETE LIST ON FILE AT MONTANA NATURAL HERITAGE PROGRAM. General site description: ALLUVIAL FLOOD PLAIN; PLOT POSITION IS STREAM CHANNEL IN WIDE VALLEY BOTTOM. GRAVELLY ALLUVIUM PARENT MATERIAL AND AQUIC UDIFLUVENT FOIL SUBGROUP. GROUND COVER: BARE SOIL (20%), TOTAL COARSE FRAGMENTS (13%). Land owner/manager: BLM: BUTTE DISTRICT, HEADWATERS RESOURCE AREA PRIVATELY OWNED LAND (INDIVIDUAL OR CORPORATE) Comments: MTNHP PLOT #91RD049. SURVEY CONDUCTED BY R. L. DEVELICE. EXCLOSURE ESTABLISHED 1984 (PERS. COMM., JACK JONES, BLM, BUTTE). SPECIES RICHNESS IS LIKELY LOW DUE TO INTENSE COMPETITION WITH SALIX EXIGUA. Information source: DEVELICE, ROBERT L. [COMMUNITY ECOLOGIST] . MONTANA NATURAL HERITAGE PROGRAM, 1515 EAST SIXTH AVE., HELENA, MT 59620. 164 APPENDIX H LISTING OF ELEMENT OCCURRENCE RECORDS FOR BLM LANDS The following provides a comprehensive listing of plant and community element occurrence records (EGR's) for BLM lands in Beaverhead, Silver Bow, and Madison counties in the MTNHP data- base as of March 25, 1992. The records presented in Appendix G are excluded from this list. Only a greatly condensed version of full EGR's is provided. Please contact the MTNHP if complete EGR's are needed (such as those provided in Appendix G) . OCC = MTNHP occurrence number G = global rarity rank S = state rarity rank FWS = U.S. Fish and Wildlife Service status LEGAL = legal location description T = Township R = Range S = Section OCC CQHMUNITY TYPE OR SPECIES RANK - - S FWS - - LEGAL - - T R S Beaverhead County 4 ARTEMISIA TRIOENTATA/FESTUCA IDAHOENSIS 6 ARTEMISIA TRIDENTATA/FESTUCA IDAHOENSIS 1 ARTEMISIA TRIPARTITA/FESTUCA IDAHOENSIS 1 AGASTACHE CUSICKII 3 AQUILEGIA FORMOSA ARABIS FECUNDA ARABIS FECUNDA 3 ARENARIA KINGII 1 ASTRAGALUS CERAMICUS VAR APUS 1 ASTRAGALUS LENTIGINOSUS VAR SALINUS 2 ASTRAGALUS LENTIGINOSUS VAR SALINUS 3 ASTRAGALUS LENTIGINOSUS VAR SALINUS 4 ASTRAGALUS LENTIGINOSUS VAR SALINUS 5 ASTRAGALUS LEPTALEUS 5 ASTRAGALUS PLATYTROPIS G5 S4 14S 8U 24 G5 S4 83 nu 8 G5 S3 133 1W 27 G2G3 SI 3C 153 10U 10 G5 SI 143 5U 36 G2 S2 C2 IS low 8 G2 32 C2 13 11U 1 G4 SI 83 11U 8 G4T3 SI 3C 133 2W 22 G5T5 S2 133 9W 30 G5T5 S2 143 7W 27 G5T5 S2 IIS 11W 17 G5T5 S2 9S 10U 32 G4 31 13S 10U 25 G5 31 23 9W 15 1 ASTRAGALUS ASTRAGALUS ASTRAGALUS ASTRAGALUS ASTRAGALUS ASTRAGALUS ASTRAGALUS SCAPHOIDES SCAPHOIDES SCAPHOIDES SCAPHOIDES SCAPHOIDES SCAPHOIDES SCAPHOIDES 1 ASTRAGALUS TERMINALIS 2 ASTRAGALUS TERMINALIS 3 ASTRAGALUS TERMINALIS 4 ASTRAGALUS TERMINALIS 1 CASTILLEJA ANGUSTIFOLIA 3 CASTILLEJA ANGUSTIFOLIA 7 CASTILLEJA ANGUSTIFOLIA 11 CASTILLEJA ANGUSTIFOLIA G3 31 C2 83 11W 8 G3 31 C2 83 11W 15 G3 31 C2 83 12W 26 G3 SI C2 93 13W 14 G3 SI C2 83 12W 28 G3 31 C2 9S 11W 25 G3 31 C2 as 11W 8 G3G4 32 143 1U 33 G3G4 32 93 low 3 G3G4 32 12S 8W 34 G3G4 32 83 low 30 G4G5 32 133 9W 19 G4G5 32 7S 11W 7 G4G5 S2 113 13W 19 G4G5 32 83 11W 8 165 occ COmUNITY TYPE OR SPECIES 1 CASTILLEJA RUSTICA 5 CIRSIUM SUBNIVEUM 1 CRYPTANTHA FENDLERI 2 DELPHINIUM GEYERI 2 ERIOGONUM OVALIFOLIUM VAR NEVADENSE 3 ERIOGONUM OVALIFOLIUM VAR NEVADENSE 5 GENT I ANA AQUATICA 8 GENTIANA AQUATICA 2 GILIA TUEEDYI 1 HUTCHINSIA PROCUMBENS 2 IPOMOPSIS CONGESTA SSP CREBRIFOLIA 1 LEPIDIUM MONTANUM 5 MIMULUS SUKSDORFII 6 MIMULUS SUKSDORFII 1 MUHLENBERGIA MINUTISSIMA 1 OENOTHERA PALLIDA VAR IDAHOENSIS 5 PENSTEMON 8 PENSTEMON U PENSTEMON 15 PENSTEMON 24 PENSTEMON 27 PENSTEMON 28 PENSTEMON 29 PENSTEMON 35 PENSTEMON 39 PENSTEMON 40 PENSTEMON 41 PENSTEMON LEMHIENSIS LEMHIENSIS LEMHIENSIS LEMHIENSIS LEMHIENSIS LEMHIENSIS LEMHIENSIS LEMHIENSIS LEMHIENSIS LEMHIENSIS LEMHIENSIS LEMHIENSIS 1 PHACELIA INCANA 2 PHACELIA INCANA 4 SENECIO DEBILIS 7 SENECIO DEBILIS 1 SPHAERALCEA MUNROANA 5 SPHENOPHOLIS OBTUSATA VAR MAJOR 3 STANLEYA VIRIDIFLORA 5 STANLEYA VIRIDIFLORA 6 STANLEYA VIRIDIFLORA 2 TARAXACUM ERIOPHORUM 1 THELYPODIUM PANICULATUM 4 THELYPODIUM SAGITTATUM 1 TOWNSENDIA FLORIFER 2 TOWNSENDIA FLORIFER 5 TOWNSENDIA SPATHULATA - - RANK - - LEGAL - ■ - G S FUS T R s G3G4 SI 14S 3W 31 G3G4 SI 14S 10W 27 G4 SI 13S 2W 23 G5 su 7S nw 11 G5T4 S2 IIS 12W 25 G5T4 S2 13S 2W 22 G4 S2 14S 6W 31 G4 S2 13S 6W 35 G4G5Q SI 8S 11W 15 G5 SI 15S 10W 10 G4T4 si 14S 4W 30 G4 SI 14S 4W 6 G4? SI IIS 11W 17 G4? SI 15S 10W 10 G5 su 2S 9W 34 G5T4Q SI 13S 2W 22 G3 S2 C2 7S 11W 22 G3 S2 C2 IIS 11W 18 G3 S2 C2 6S 11W 33 G3 S2 C2 9S 14W 33 G3 S2 C2 9S 14W 21 G3 S2 C2 9S 14W 27 G3 S2 C2 9S 14W 31 G3 S2 C2 IDS 14W 5 G3 S2 C2 9S 15W 14 G3 S2 C2 9S 14W 21 G3 S2 C2 6S 11W 27 G3 S2 C2 9S 15W 23 G3G4 SI IIS 11W 17 G3G4 SI 15S low 10 G3G4 SI 2S 9W 34 G3G4 SI 14S 11W 27 G4 SI 13S 6W 32 G5T5 S2 2S 9W 34 G4 SI 13S 9W 19 G4 SI IIS 8W 25 G4 SI IIS low 17 G4 SI 15S low 9 G3G4 SI 14S IE 14 G3G4 SI 13S low 32 G5 SI 12S 8W 2 G5 SI IIS 8W 25 G3 S2 3C 8S 12W 35 166 G2 S2 C2 1N 10U 31 G2 S2 C2 IS low 5 OCC COMMUNITY TYPE OR SPECIES - - RANK - - - - LEGAL - - G S FUS T R S Silver Bow Cointy 10 AGROPYRON SPICATUM/BCXJTELOUA GRACILIS G5 S4 2S 9W 7 ARABIS FECUNOA 10 ARABIS FECUNDA Madison Coifity 2 AGROPYRON SPI CATUM/BOUTELOUA GRACILIS 3 ARTEMISIA NOVA/AGROPYRON SPICATUM 3 STIPA COMATA/BOUTELOUA GRACILIS 5 STIPA COMATA/BOUTELOUA GRACILIS 24 STIPA COMATA/BOUTELOUA GRACILIS 2 ASTRAGALUS PLATYTROPIS 1 CIRSIUM SUBNIVEUM 4 ERIGERON FORMOSISSIMUS 1 MACHAERANTHERA COMMIXTA 1 STANLEYA VIRIDIFLORA Total number of records = 86 G5 S4 3S 7U 6 G5 S4 4S 5W 3 G5 S5 3S 7U 27 G5 S5 2S 8U 36 G5 S5 3S 7W 6 G5 SI IS 4W 8 G3G4 SI 6S 5U 10 G5 SI 4S IE 8 G3G4 SI 6S 5W 17 G4 SI 7S 4W 4 167