| Classification | Asteraceae: Cirsium |
| Barcode(s) | 00004881 |
| Type Status | Holotype |
| Collector | C. Wright |
| Collector number | 1296 |
| Country | United States of America |
| State | Arizona |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Arizona: Cochise County |
| Locality | N. Mex., Sonora [valleys of Sonora, in branches] |
| Date Collected | 1851-09-14 |
| Remarks | [Date, locality and description from Wright's notes for field #514. Protologue: "Low grounds, in valleys between the Sonoita and the San Pedro, Sonora"] |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/093bfcb4-d69a-418a-88d1-5cba2bbcaa02 |
| Harvard University Herbaria Barcode | 00004881 |
| Herbarium | GH |
| Family | Asteraceae |
| Type Status | Holotype |
| Holotype of | Cirsium grahami A. Gray |
| Verified by | W. T. Kittredge |
| Date Determined | 2007 |
| Taxon Reference | (for Cirsium grahami A. Gray) Smithsonian Contr. Knowl. 1853. 5(6): 102. |
| Family | Asteraceae |
| Determination | Cirsium grahami A. Gray |
| Determined by | G. B. Ownbey |
| Date Determined | 1960 |
| Determination Remarks | [current name] |
| Annotation Text | HOLOTYPE |
| Family | Asteraceae |
| Determination | Cirsium grahami A. Gray |
| Determined by | A. Gray |
| Determination Remarks | [A. Gray (scripsit)] [label name] |
| Annotation Text | n. sp. |
| Family | Asteraceae |
| Determination | Cirsium grahami A. Gray |
| Determined by | B. L. Robinson |
| Annotation Text | B.L.R. |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
