| Classification | Dennstaedtiaceae: Pteridium |
| Classification 1 | Pteridaceae: Pteris |
| Barcode(s) | 00985445 |
| Collector | H. D. Thoreau |
| Country | United States of America |
| Geography | North America: North America (CA, US, MX) (Region): United States of America |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/4c9e4d3f-a632-40fe-8807-c29d40612418 |
| Harvard University Herbaria Barcode | 00985445 |
| Herbarium | GH |
| Family | Dennstaedtiaceae |
| Determination | Pteridium aquilinum var. latiusculum (Desvaux) Underwood ex A. Heller |
| Determined by | Kittredge, Walter Tobey |
| Date Determined | 2017 |
| Determination Remarks | [filed under] [current name] |
| Family | Pteridaceae |
| Determination | Pteris aquilina Linnaeus |
| Determination Remarks | [label name] |
| Subcollection | Thoreau Herbarium |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
