| Classification | Polypodiophyta: Thelypteridaceae: Thelypteris |
| Classification 1 | Dryopteridaceae: Dryopteris |
| Harvard University Herbaria Barcode(s) | 00348068 |
| 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: Norfolk County: Milton |
| Locality | Foot Breakneck Ledge. Blue Hills Reservation |
| Date Collected | 1919-10-02 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/37c9b844-0ddd-4c7b-9a61-9a60edce17e8 |
| Harvard University Herbaria Barcode | 00348068 |
| Herbarium | NEBC |
| Family | Thelypteridaceae |
| Determination | Thelypteris spinulosa var. intermedia (Muhlenberg ex Willdenow) Nieuwland |
| Determination Remarks | [is label name] |
| Family | Thelypteridaceae |
| Determination | Thelypteris spinulosa var. intermedia (Muhlenberg ex Willdenow) Nieuwland |
| Determined by | [C. A. Weatherby (scripsit) W. T. Kittredge, 2012] |
| Family | Dryopteridaceae |
| Determination | Dryopteris sp. |
| Determined by | Tryon, Rolla Milton & Tryon, Alice F. |
| Date Determined | 1975-03-** |
| Annotation Text | Dryopteris spinulosa (O. F. Muell.) Watt var. intermedia (WIlld.) Underw. x var. spinulosa |
| Family | Dryopteridaceae |
| Determination | Dryopteris ×triploidea Wherry |
| Determined by | Kittredge, Walter Tobey |
| Date Determined | 2012 |
| Determination Remarks | [is Current name] |
| Annotation Text | D. carthusiana x D. intermedia |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
