| Classification | Aspidiaceae |
| Classification 1 | Dryopteridaceae: Dryopteris |
| Harvard University Herbaria Barcode(s) | 00283458 |
| Type Status | Isotype |
| 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: Essex County: Boxford |
| Locality | Crooked Pond |
| Date Collected | 1893-08-** |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/7f31172b-67d8-4f1a-a5e0-940f8828fcc6 |
| Harvard University Herbaria Barcode | 00283458 |
| Herbarium | GH |
| Family | Aspidiaceae |
| Determination | Aspidium Swartz |
| Determination Remarks | [is label name] |
| Annotation Text | Aspidium cristatum x marginale Davenp. n. hyb. |
| Family | Dryopteridaceae |
| Type Status | Isotype |
| Isotype of | Dryopteris ×slossoniae Wherry ex Lellinger |
| Verified by | W. T. Kittredge |
| Date Determined | 2009 |
| Determination Remarks | HT: (US) |
| Taxon Reference | (for Dryopteris ×slossoniae Wherry ex Lellinger) Amer. Fern J. 1984. 74: 62. |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
| Item Remarks | 2nd sheet |
