| Classification | Asteraceae: Helianthus |
| Barcode(s) | 00872862 |
| 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 | Corner Road |
| Date Collected | 1856-08-11 |
| Remarks | [“Aug. 11. . .P. M. Walk to Conantum with Mr. Bradford. . . A new sunflower at Wheeler’s Bank, this side Corner Spring,which I will call the tall rough sunflower; opened say August 1st (?). (I saw it out the 7th.) It does not correspond exactly to any described. Stem three to six feet high, branched at top, purple with a bloom, roughish, especially the peduncles. Leaves opposite, except a few small ones amid the branches, thick, ovate or ovate-lancoelate, taper-pointed, three-nerved, obscurely and remotely toothed, rough above, smooth and whitish below, abruptly contracted into margined petioles. Scales of the involucre lanceolate, taper-pointed, subequal, exceeding the disk, ciliate; rays eight or nine, one and a half or more inches long, chaff black. Edge of meadow.” Journal 8: 461-462. 1856]
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| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/030de155-e9df-49d3-bae3-6950530bdc27 |
| Harvard University Herbaria Barcode | 00872862 |
| Herbarium | GH |
| Family | Asteraceae |
| Determination | Helianthus strumosus Linnaeus |
| Determination Remarks | [label name] [current name] |
| Subcollection | Thoreau Herbarium |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
