Notes on the Pteridophytes of the North Shore of Lake Superior
Jennings, Otto E. (Otto Emery), 1877-1964 Hopkins, Lewis S.
Article
1913
American fern journal
3
38--48
BioStor
English
[Washington, etc.] American Fern Society
BioStor: https://biostor.org/reference/218061 DOI: https://doi.org/10.2307/1544070