| Classification | Asteraceae: Helianthus |
| Barcode(s) | 00872842 |
| 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 | Assabet R. [River] |
| Date Collected | 1856-08-29 |
| Remarks | [“Aug. 29. . .P. M. To J. Farmer’s by river. The Helianthus decapetalus, apparently a variety, with eight petals, about three feet high, leaves petioled, but not wing-petioled, and broader-leaved than that of August 12th, quite ovate with a tapering point, with ciliate petioles, thin but quite rough beneath and above, stem purple and smoothish, Hosmer’s bank, opposite Azalea Swamp.” Journal 9: 34. 1856] |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/d77f9736-d58e-44c1-9780-649063b26d48 |
| Harvard University Herbaria Barcode | 00872842 |
| Herbarium | GH |
| Family | Asteraceae |
| Determination | Helianthus strumosus Linnaeus |
| Determined by | Angelo, Raymond Louis |
| Date Determined | 2018-10-08 |
| Determination Remarks | [current name] |
| Family | Asteraceae |
| Determination | InQuestion Helianthus decapetalus Linnaeus |
| Determination Remarks | [label name] |
| Annotation Text | H. var. of decapetalus?? |
| Subcollection | Thoreau Herbarium |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
