| Classification | Dryopteridaceae: Dryopteris |
| Classification 1 | Dryopteridaceae: Nephrodium |
| Classification 2 | Polypodiophyta: Thelypteridaceae: Thelypteris |
| Harvard University Herbaria Barcode(s) | 00021661 |
| Type Status | Isotype |
| Collector | B. D. Gilbert |
| Country | United States of America |
| State | New York |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: New York: Oneida County: Clayville |
| Locality | Wintergreen Swamp |
| Date Collected | 1899-06-21 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/19d100de-88f6-4a89-84a6-290a92395cd3 |
| Harvard University Herbaria Barcode | 00021661 |
| Herbarium | GH |
| Previous ownership | ex Herb. A. A. Eaton |
| Family | Dryopteridaceae |
| Type Status | Isotype |
| Isotype of | Dryopteris ×triploidea Wherry |
| Verified by | W. T. Kittredge |
| Date Determined | 2009 |
| Taxon Reference | (for Dryopteris ×triploidea Wherry) Amer. Fern J. 1960. 50: 90. |
| Taxon Reference | (for Dryopteris ×triploidea Wherry) Amer. Fern J. 1960. 50(1): 90. |
| Family | Dryopteridaceae |
| Determination | Dryopteris ×triploidea Wherry |
| Determination Remarks | [current name] |
| Family | Dryopteridaceae |
| Determination | Nephrodium spinulosum Strempel |
| Determination Remarks | [label name] |
| Annotation Text | var. dilitatum (var. glandulosum Gilbert) |
| Family | Thelypteridaceae |
| Determination | Thelypteris spinulosa var. fructuosa (Gilbert) Fernald |
| Determined by | M. L. Fernald |
| Determination Remarks | [M. L. Fernald (scripsit)] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |