The vascular flora of Pennsylvania : annotated checklist and atlas
Ann Fowler Rhoads, William McKinley Klein, Carl S. Keener (Other), Alfred E. Schuyler (Other), Morris Arboretum (Other)
Print Book, English, 1993
American Philosophical Society, Philadelphia, 1993
636 s. : illustrations, kartor.
9780871692078, 0871692074
185535629