| Classification | Dryopteridaceae: Dryopteris |
| Classification 1 | Aspidiaceae: Aspidium |
| Barcode(s) | 00708964 |
| 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 [21 Oct 1907] |
| Habitat | In black muck swamp. Open shade |
| Project | New England Vascular Plants TCN |
| Remarks | With A. spinulosum?, intermedium , cristatum, Boottii [Dryopteris carthusiana, D. intermedia, D. cristata, D. boottii] |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/e71f6220-1ad4-11e5-b5e0-001ec9fd629b |
| Harvard University Herbaria Barcode | 00708964 |
| Herbarium | NEBC |
| Family | Dryopteridaceae |
| Determination | Dryopteris carthusiana (Villars) H. P. Fuchs |
| Determination Remarks | [filed under] [current name] |
| Family | Dryopteridaceae |
| Determination | Dryopteris spinulosa (O. F. Müller) Watt |
| Determined by | Winslow, Evelyn James |
| Date Determined | 1916-05-23 |
| Family | Aspidiaceae |
| Determination | Aspidium spinulosum var. concordianum Eastman |
| Determination Remarks | [label name] |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
