| Classification | Polypodiaceae: Polypodium |
| Harvard University Herbaria Barcode(s) | 00021838 |
| Type Status | Isotype |
| Collector | Edw. Palmer |
| Collector number | 448 |
| Country | Mexico |
| State | San Luis Potosà |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: San Luis Potosà |
| Locality | Alvarez |
| Date Collected | 1902-10-** |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/a45364ad-10a1-4209-9c89-63291c459026 |
| Harvard University Herbaria Barcode | 00021838 |
| Herbarium | GH |
| Family | Polypodiaceae |
| Type Status | Isotype |
| Isotype of | Polypodium firmulum Maxon |
| Determination Remarks | [is filed under name] |
| Taxon Reference | (for Polypodium firmulum Maxon) Bull. Misc. Inform. Kew 1893. 211. |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
