Index filicum. Supplementum quintum: pro annis 1961-1975
Smith, Alan R., 1943- Jarrett, Frances M
Article
1985
American fern journal
75
76--76
BioStor
English
[Washington, etc.] American Fern Society
BioStor: https://biostor.org/reference/218637 DOI: https://doi.org/10.2307/1546262