| Classification | Dryopteridaceae: Dryopteris | 
| Classification 1 | Aspidiaceae: Aspidium | 
| 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 | Dryopteridaceae | 
| Determination |  Dryopteris ×slossoniae Wherry ex Lellinger | 
| Determined by | Kittredge, Walter Tobey | 
| Date Determined | 2011 | 
| Determination Remarks |  [current name] | 
| 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 | Aspidiaceae | 
| Determination |  Aspidium sp.  | 
| Determination Remarks |  [label name] | 
| Annotation Text | Aspidium cristatum x marginale | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |