| Classification | Polypodiophyta: Thelypteridaceae: Thelypteris |
| Classification 1 | Dryopteridaceae: Dryopteris |
| Harvard University Herbaria Barcode(s) | 00342737 |
| Collector | N. T. Kidder |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Middlesex County |
| Locality | Beaver Brook Reservation |
| Date Collected | 1921-08-02 |
| Container | Flora of Metropolitan Parks, Massachusetts |
| Frequency | Very rare |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/cca97db7-26bd-4491-9bb2-eef9c3168b6f |
| Harvard University Herbaria Barcode | 00342737 |
| Herbarium | NEBC |
| Family | Thelypteridaceae |
| Determination | Thelypteris marginalis (Linnaeus) Nieuwland |
| Determination Remarks | [is label name] |
| Family | Dryopteridaceae |
| Determination | Dryopteris marginalis (Linnaeus) A. Gray |
| Determined by | Kittredge, Walter Tobey |
| Date Determined | 2012 |
| Determination Remarks | [is Current name] |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
