| Classification | Aspidiaceae: Aspidium |
| Classification 1 | Dryopteridaceae: Dryopteris |
| Harvard University Herbaria Barcode(s) | 00338050 |
| Collector | G. E. Davenport |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Middlesex County: Medford |
| Locality | Middlesex Fells [Reservation] |
| Date Collected | 1894-11-** |
| Container | Metropolitan Park Flora |
| Frequency | Rare |
| Project | Metropolitan Park Flora |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/22b1d49e-e3f0-401d-abd7-e094708a23f9 |
| Harvard University Herbaria Barcode | 00338050 |
| Herbarium | NEBC |
| Family | Aspidiaceae |
| Determination | Aspidium sp. |
| Determination Remarks | [is label name] |
| Annotation Text | Aspidium cristatum x marginale |
| Family | Dryopteridaceae |
| Determination | Dryopteris sp. |
| Determined by | Tryon, Rolla Milton & Tryon, Alice F. |
| Date Determined | 1977-03-** |
| Annotation Text | Dryopteris cristata x D. marginalis [D. x slossoniae] |
| Family | Dryopteridaceae |
| Determination | Dryopteris ×slossoniae Wherry ex Lellinger |
| Determined by | Kittredge, Walter Tobey |
| Date Determined | 2011 |
| Determination Remarks | [is Current name] |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
