| Classification | Dryopteridaceae: Dryopteris |
| Harvard University Herbaria Barcode(s) | 00338334 |
| Collector | E. J. Palmer |
| Collector number | 42995 |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Suffolk County: Boston |
| Locality | The Arnold Arboretum, n. side of Hemlock Hill [Jamaica Plain] |
| Date Collected | 1936-06-09 |
| Habitat | Rocky open woods |
| Container | Spontaneous Flora of the Arnold Arboretum |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/184997d5-bdac-4d0b-97b1-2e28000bf03e |
| Harvard University Herbaria Barcode | 00338334 |
| Herbarium | A |
| Family | Dryopteridaceae |
| Determination | Dryopteris spinulosa var. intermedia (Muhlenberg ex Willdenow) Underwood |
| Determination Remarks | [is label name] |
| Family | Dryopteridaceae |
| Determination | Dryopteris sp. |
| Determined by | Tryon, Rolla Milton |
| Date Determined | 1969 |
| Annotation Text | Dryopteris spinulosa var. intermedia x var. spinulosa |
| Family | Dryopteridaceae |
| Determination | Dryopteris ×triploidea Wherry |
| Determined by | Kittredge, Walter Tobey |
| Date Determined | 2011 |
| Determination Remarks | [is Current name] |
| Annotation Text | D. carthusiana x D. intermedia |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
