| Classification | Asteraceae: Heterotheca |
| Classification 1 | Asteraceae: Ammodia |
| Harvard University Herbaria Barcode(s) | 00112891 |
| Type Status | Possible Isolectotype |
| Collector | T. Nuttall |
| Country | United States of America |
| State | Oregon |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Oregon |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/2e2e7b9a-8481-4486-8c16-6c0037fd2e21 |
| Harvard University Herbaria Barcode | 00112891 |
| Herbarium | GH |
| Family | Asteraceae |
| Determination | Heterotheca oregona var. oregona |
| Determined by | J. C. Semple |
| Determination Remarks | [is Current name] |
| Family | Asteraceae |
| Type Status | Possible Isolectotype |
| Possible Isolectotype of | Ammodia oregona Nuttall |
| Verified by | J. C. Semple |
| Taxon Reference | (for Ammodia oregona Nuttall) Trans. Amer. Philos. Soc. 1841. 7: 321. |
| Sex | not determined |
| Phenology | Fruit |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
