| Classification | Asteraceae: Helianthus |
| Harvard University Herbaria Barcode(s) | 00057147 |
| Type Status | Isotype |
| Collector | O. A. Farwell |
| Collector number | 3884 |
| Country | United States of America |
| State | Michigan |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Michigan: Saint Clair County: Algonac |
| Date Collected | 1914-09-13 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/aef356fd-d3fa-49ad-bd56-824a423951f6 |
| Harvard University Herbaria Barcode | 00057147 |
| Herbarium | GH |
| Family | Asteraceae |
| Type Status | Isotype |
| Isotype of | Helianthus giganteus var. oppositifolius Farwell |
| Verified by | E. G. Voss |
| Determination Remarks | [is filed under name] |
| Taxon Reference | (for Helianthus giganteus var. oppositifolius Farwell) Amer. Midl. Naturalist 1917. 17: 180. |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
