The Proper Authorities and Citations for Dryopteris arguta and D. spinulosa
Morton, C. V. (Conrad Vernon) 1905-1972
Article
1968
American fern journal
58
182--183
BioStor
English
[Washington, etc.] American Fern Society
BioStor: https://biostor.org/reference/218392 DOI: https://doi.org/10.2307/1545958