| Classification | Polypodiophyta: Thelypteridaceae: Thelypteris |
| Classification 1 | Dryopteridaceae: Dryopteris |
| Harvard University Herbaria Barcode(s) | 00348063 |
| 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 | Garden of Geo. E. Davenport: plant originally from Pine Hill [Middlesex Fells Reservation] |
| Date Collected | 1901 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/6d19a455-cebc-41c6-9db9-fc2d824db3bc |
| Harvard University Herbaria Barcode | 00348063 |
| Herbarium | GH |
| Family | Thelypteridaceae |
| Determination | Thelypteris sp. |
| Determined by | Weatherby, Charles Alfred |
| Date Determined | 1923 |
| Annotation Text | Thelypteris cristata x marginalis |
| Family | Dryopteridaceae |
| Determination | Dryopteris ×slossoniae Wherry ex Lellinger |
| Determined by | Kittredge, Walter Tobey |
| Date Determined | 2012 |
| Determination Remarks | [is Current name] |
| Annotation Text | D. cristata x D. marginalis |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
