A KEY TO THE NORTH AMERICAN SPECIES OF PANUS
Earle, F. S. (Franklin Sumner), 1856-1929
Article
1903
Torreya
3
Issue: 6
86--87
BioStor
English
Burlington, Vt, Torrey Botanical Club, 1901-1945
BioStor: https://biostor.org/reference/277314