| Classification | Poaceae: Coleataenia | 
| Classification 1 | Poaceae: Panicum | 
| Harvard University Herbaria Barcode(s) | 00274217 | 
| 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 | 
| Date Collected | 1858-09-06 | 
| Habitat | River bank | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/a78373ff-8509-4e35-82d7-d819d0538d24 | 
| Harvard University Herbaria Barcode | 00274217 | 
| Herbarium | NEBC | 
| Previous ownership | Herb. Thoreau [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 | Coleataenia rigidula (Bosc ex Nees) LeBlond | 
| Determined by | Kittredge, Walter Tobey | 
| Date Determined | 2013 | 
| Determination Remarks | [filed under] [current name] | 
| Family | Poaceae | 
| Determination | Panicum rigidulum Bosc ex Nees | 
| Determined by | Kittredge, Walter Tobey | 
| Date Determined | 2009-01-14 | 
| Family | Poaceae | 
| Determination | Panicum agrostoides Sprengel | 
| Determined by | [H. D. Thoreau (scripsit) on original field label] | 
| Determination Remarks | [label name] | 
| Family | Poaceae | 
| Determination | Panicum agrostoides Sprengel | 
| Determined by | [M. L. Fernald (scripsit) on provenance label] | 
| Family | Poaceae | 
| Determination | Panicum agrostoides Sprengel | 
| Determined by | [E. S. Hoar (scripsit) transcription on sheet] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |