| Classification | Adiantaceae: Pellaea |
| Classification 1 | Polypodiaceae |
| Classification 2 | Adiantaceae: Aspidotis |
| Classification 3 | Polypodiaceae |
| Complex Object | This is a complex collection object (3 items with 1 preparation) |
| Harvard University Herbaria Barcode(s) | 00518248 |
| Other Barcodes on Sheet | 00518246; 00518247 |
| Type Status | Isotype |
| Collector | Wilkes Expedition |
| Country | United States of America |
| State | Oregon |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Oregon |
| Locality | Oregon and Washington Territory [Rogue River] |
| Date Collected | 1838 - 1842 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/2f8969f7-a0b7-4cff-991a-0f08f6a2c678 |
| Harvard University Herbaria Barcode | 00518248 |
| Herbarium | GH |
| Previous ownership | Distributed by the Smithsonian Institution |
| Family | Adiantaceae |
| Determination | Pellaea densa (Brackenridge) Hooker |
| Determined by | [annotation on label] |
| Annotation Text | Pellaea [densa implied] |
| Family | Polypodiaceae |
| Determination | Onychium densum Brackenridge |
| Determination Remarks | [is label name] |
| Family | Adiantaceae |
| Determination | Aspidotis densa (Brackenridge) Lellinger |
| Determined by | Kittredge, Walter Tobey |
| Date Determined | 2014 |
| Determination Remarks | [is Current name] |
| Family | Polypodiaceae |
| Type Status | Isotype |
| Isotype of | Onychium densum Brackenridge |
| Verified by | Kittredge, Walter Tobey |
| Date Determined | 2014 |
| Determination Remarks | [is filed under name] |
| Annotation Text | Holotype: (US) |
| Taxon Reference | (for Onychium densum Brackenridge) U.S. Expl. Exped., Filic. 1854. 16: 120. |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
