| Classification | Dennstaedtiaceae: Pteridium |
| Harvard University Herbaria Barcode(s) | 00631214 |
| Collector | R. M. Tryon & A. F. Tryon |
| Collector number | 6537 |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Middlesex County: Ayer |
| Locality | Ayer, near junctions Route 2 and Route 110, ca. 2 miles southsoutheast of Ayer |
| Date Collected | 1971-10-** |
| Habitat | Pine and oak woods |
| Project | New England Vascular Plants TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/b5b01fd8-28ba-11e5-b5e0-001ec9fd629b |
| Harvard University Herbaria Barcode | 00631214 |
| Herbarium | GH |
| Family | Dennstaedtiaceae |
| Determination | Pteridium aquilinum subsp. latiusculum (Desvaux) Hultén |
| Determination Remarks | [is filed under name] [is Current name] |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
