| Classification | Dryopteridaceae: Dryopteris |
| Classification 1 | Polypodiophyta: Thelypteridaceae: Thelypteris |
| Harvard University Herbaria Barcode(s) | 00021018 |
| Type Status | Isotype |
| Collector | W. R. Maxon & E. P. Killip |
| Collector number | 635 |
| Country | Jamaica |
| Geography | North America: Caribbean (Region): Jamaica |
| Locality | Vicinity of St. Helens Gap, St. Andrew, alt. 1475 m |
| Date Collected | 1920-03-04 |
| Elevation | 1475 m |
| Habitat | Rocky bank in partial shade |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/69c07972-c8f3-43ed-a556-c92f329a74ff |
| Harvard University Herbaria Barcode | 00021018 |
| Herbarium | GH |
| Family | Dryopteridaceae |
| Type Status | Isotype |
| Isotype of | Dryopteris underwoodiana Maxon |
| Taxon Reference | (for Dryopteris underwoodiana Maxon) Amer. Fern J. 1928. 18: 49. |
| Family | Thelypteridaceae |
| Determination | Thelypteris gracilenta (Jenman) Proctor |
| Determined by | Alvarez-Fuentes, Orlando |
| Date Determined | 2010-05-** |
| Determination Remarks | [current name] |
| Family | Thelypteridaceae |
| Determination | Thelypteris underwoodiana (Maxon) Proctor |
| Determined by | Proctor, George Richardson |
| Date Determined | 2010-06-** |
| Annotation Text | ISOTYPE |
| Family | Dryopteridaceae |
| Determination | Dryopteris nockiana (Jenman) C. Christensen |
| Determination Remarks | [label name] |
| Annotation Text | var. nov. |
| Subcollection | Wood collection |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Self |
| Preparation Method | Wood |
