The group of Polypodium polypodioides
Weatherby, Charles Alfred, 1875-1949
Article
1939
Contributions from the Gray Herbarium of Harvard University
Issue: 124
22--35
Harvard University Botany Libraries
English
[Cambridge, Mass.] Harvard University -1984]
DOI: https://doi.org/10.5962/p.336217 Wikidata: https://www.wikidata.org/entity/Q94389002