| Classification | Poaceae: Piptatheropsis |
| Classification 1 | Poaceae: Oryzopsis |
| Harvard University Herbaria Barcode(s) | 00274216 |
| Collector | H. D. Thoreau |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Middlesex County: Concord |
| Locality | Maj. Heywood path |
| Date Collected | 1859-05-01 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/8fd6bbfc-3c81-4c6f-844e-c5266c610643 |
| Harvard University Herbaria Barcode | 00274216 |
| Herbarium | NEBC |
| Previous ownership | [Ex Herbarium of Henry David Thoreau (1817-1862)] Herbarium of Edward S. Hoar. Presented to the New England Botanical Club by Mrs. M. B. L. Bradford, 1912 |
| Family | Poaceae |
| Determination | Piptatheropsis pungens (Torrey ex Sprengel) Romaschenko, P. M. Peterson & Soreng |
| Determined by | Kittredge, Walter Tobey |
| Date Determined | 2013-12-16 |
| Determination Remarks | [filed under] [current name] |
| Family | Poaceae |
| Determination | Oryzopsis pungens (Torrey) Hitchcock |
| Determined by | Barkworth, Mary Elizabeth |
| Date Determined | 1983 |
| Family | Poaceae |
| Determination | Oryzopsis canadensis (Poiret) Torrey |
| Determined by | [H. D. Thoreau (scripsit) on original field label] |
| Determination Remarks | [label name] |
| Family | Poaceae |
| Determination | Oryzopsis pungens (Torrey) Hitchcock |
| Determined by | [annotation on provenance label] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |