| Classification | Aspidiaceae: Aspidium |
| Classification 1 | Dryopteridaceae: Dryopteris |
| Harvard University Herbaria Barcode(s) | 00634245 |
| Collector | H. A. Purdie & W. Faxon |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Middlesex County: Lexington |
| Locality | Lexington |
| Date Collected | 1907-10-21 [Oct 21 1907] |
| Habitat | In black muck swamp, open shade |
| Project | New England Vascular Plants TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/5e03fe53-3c14-4280-8cbb-6eb66cbd2e57 |
| Harvard University Herbaria Barcode | 00634245 |
| Herbarium | NEBC |
| Family | Aspidiaceae |
| Determination | Aspidium cristatum (Linnaeus) Swartz |
| Determination Remarks | [is label name] |
| Family | Dryopteridaceae |
| Determination | Dryopteris sp. |
| Determined by | Winslow, Evelyn James |
| Date Determined | 1916-05-23 |
| Annotation Text | Dryopteris cristata x spinulosa indusia wanting |
| Family | Dryopteridaceae |
| Determination | Dryopteris sp. |
| Determined by | Tryon, Rolla Milton & Tryon, Alice F. |
| Date Determined | 1977-03-** |
| Annotation Text | Dryopteris cristata x Dryopteris spinulosa |
| Family | Dryopteridaceae |
| Determination | Dryopteris ×uliginosa (A. Braun ex Döll) Kuntze ex Druce |
| Determination Remarks | [is filed under name] [is Current name] |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
