External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:291868-2
- Publication
- Contributions from the United States National Herbarium. Smithsonian Institution
- Collation
- 8: 274
- Family as entered in IPNI
- Polypodiaceae
Remarks
Polypodium firmulum Maxon, non Baker
Links
- Nomenclatural link
- Polypodium maxonii C.Chr., Index Filic. 543 (1906).
- Same citation as
- Polypodium firmulum Maxon, Contr. U.S. Natl. Herb. 8: 274, t.61, f.3 (1903).