Knowlton's Mesozoic and Cenozoic Plants of America
Cockerell, Theodore D. A. (Theodore Dru Alison), 1866-1948
Article
1920
Torreya
20
Issue: 3
53--57
BioStor
English
Burlington, Vt, Torrey Botanical Club, 1901-1945
BioStor: https://biostor.org/reference/276352