| Classification | Asteraceae: Cnicus |
| Classification 1 | Asteraceae: Cirsium |
| Harvard University Herbaria Barcode(s) | 00006076 |
| Type Status | Holotype |
| Collector | J. T. Rothrock |
| Collector number | 293 |
| Country | United States of America |
| State | Arizona |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Arizona |
| Locality | Near Camp Apache |
| Locality Remarks | [Label written as] Rocky Cañon |
| Date Collected | 1874 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/548ba61d-c50a-4596-baac-c81119f5ac48 |
| Harvard University Herbaria Barcode | 00006076 |
| Herbarium | GH |
| Family | Asteraceae |
| Type Status | Holotype |
| Holotype of | Cnicus wheeleri A. Gray |
| Verified by | Bates, Vernon M. |
| Date Determined | 1985 |
| Determination Remarks | [filed under] [current name] |
| Taxon Reference | (for Cnicus wheeleri A. Gray) Proc. Amer. Acad. Arts 1883. 19: 56. |
| Family | Asteraceae |
| Type Status | Holotype |
| Holotype of | Cnicus wheeleri A. Gray |
| Verified by | Gerald B. Ownbey |
| Date Determined | 1960 |
| Taxon Reference | (for Cnicus wheeleri A. Gray) Proc. Amer. Acad. Arts 1883. 19: 56. |
| Family | Asteraceae |
| Determination | Cirsium wheeleri (A. Gray) Petrak |
| Determined by | B. L. R. [Benjamin Lincoln Robinson] |
| Date Determined | 1911 |
| Annotation Text | Nomencl. Rev. Acc. To Internat. Rules |
| Family | Asteraceae |
| Determination | Cnicus wheeleri A. Gray |
| Determined by | [A. Gray (scripsit) J. McI. Shapiro, 2020] |
| Annotation Text | Synoptical Flora of North America |
| Family | Asteraceae |
| Determination | Cirsium wheeleri (A. Gray) Petrak |
| Determined by | Gerald B. Ownbey |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
