| Classification | Polypodiaceae: Polypodium |
| Classification 1 | Polypodiaceae: Niphidium |
| Classification 2 | Polypodiaceae: Cyclophorus |
| Classification 3 | Polypodiaceae: Pleopeltis |
| Classification 4 | Polypodiaceae: Niphobolus |
| Harvard University Herbaria Barcode(s) | 00967213 |
| Type Status | Isosyntype |
| Collector | R. Spruce |
| Collector number | 5248 |
| Country | Ecuador |
| Geography | South America: South America (Region) (Region): Ecuador |
| Locality | In Andibus Ecuadorensibus |
| Date Collected | 1857 - 1859 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/ac5b56f3-8043-4fa2-b684-115d2524efe8 |
| Harvard University Herbaria Barcode | 00967213 |
| Herbarium | GH |
| Family | Polypodiaceae |
| Type Status | Isosyntype |
| Isosyntype of | Polypodium americanum Hooker |
| Verified by | Kittredge, Walter Tobey |
| Date Determined | 2017 |
| Determination Remarks | [filed under] |
| Taxon Reference | (for Polypodium americanum Hooker) Sp. Fil. 1863. 5: 54. |
| Family | Polypodiaceae |
| Determination | Niphidium longifolium (Cavanilles) C. V. Morton & Lellinger |
| Determined by | Kittredge, Walter Tobey |
| Date Determined | 2017 |
| Determination Remarks | [current name] |
| Family | Polypodiaceae |
| Determination | Cyclophorus longifolius (Cavanilles) C. Christensen |
| Determined by | Weatherby, Charles Alfred |
| Date Determined | 1941 |
| Family | Polypodiaceae |
| Determination | Cyclophorus americanus (Hooker) C. Christensen |
| Determined by | [annotation on sheet] |
| Family | Polypodiaceae |
| Determination | InQuestion Pleopeltis sp. |
| Determination Remarks | [label name] |
| Family | Polypodiaceae |
| Determination | InQuestion Niphobolus sp. |
| Determination Remarks | [label name] |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
