| Classification | Asteraceae: Cnicus |
| Classification 1 | Asteraceae: Cirsium |
| Classification 2 | Asteraceae: Cnicus |
| Harvard University Herbaria Barcode(s) | 00006033 |
| Type Status | Type |
| Collector | J. T. Rothrock |
| Collector number | 284 |
| Country | United States of America |
| State | Arizona |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Arizona |
| Date Collected | 1874 |
| Container | Explorations and Surveys West of the 100th Meridian |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/303d4ccb-2a93-4769-872a-5e626b07320a |
| Harvard University Herbaria Barcode | 00006033 |
| Herbarium | GH |
| Family | Asteraceae |
| Determination | Cnicus arizonicus A. Gray |
| Determination Remarks | [is label name] |
| Family | Asteraceae |
| Determination | Cirsium rothrockii (A. Gray) Petrak |
| Annotation Text | Synoptical Flora of North America |
| Family | Asteraceae |
| Determination | Cirsium rothrockii (A. Gray) Petrak |
| Determined by | B. L. R. [Benjamin Lincoln Robinson] |
| Date Determined | 1911 |
| Annotation Text | Nomencl. Rev. Acc. To Internat. Rules |
| Family | Asteraceae |
| Type Status | Type |
| Type of | Cnicus rothrockii A. Gray |
| Verified by | Shinners, Lloyd Herbert |
| Date Determined | 1946-02-16 |
| Determination Remarks | [is filed under name] [is Current name] |
| Annotation Text | ! |
| Taxon Reference | (for Cnicus rothrockii A. Gray) Proc. Amer. Acad. Arts 1882. 17: 220. |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
