Main Lines of Evolution in Equisetum: I
Schaffner, John H. (John Henry), 1866-1939
Article
1925
American fern journal
15
8--12
BioStor
English
[Washington, etc.] American Fern Society
BioStor: https://biostor.org/reference/218153 DOI: https://doi.org/10.2307/1543659