The musci and hepaticae of the United States east of the Mississippi River ?contributed to the second edition of Gray's manual of botany /by William S. Sullivant. With eight copper?plates illustrating the genera.
The musci and hepaticae of the United States east of the Mississippi River ?contributed to the second edition of Gray's manual of botany /by William S. Sullivant. With eight copper?plates illustrating the genera.