| Classification | Asteraceae: Centaurea |
| Classification 1 | Asteraceae: Plectocephalus |
| Classification 2 | Asteraceae: Centaurea |
| Harvard University Herbaria Barcode(s) | 00004636 |
| Type Status | Isotype |
| Collector | J. T. Rothrock |
| Collector number | 527 |
| Country | United States of America |
| State | Arizona |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Arizona |
| Locality | Chiricahua, Southern Arizona |
| Date Collected | 1874-08-** |
| Container | Explorations and Surveys West of the 100th Meridian |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/ccd4019f-3298-4471-bf83-8da95f1056d9 |
| Harvard University Herbaria Barcode | 00004636 |
| Herbarium | GH |
| Family | Asteraceae |
| Determination | Centaurea americana Nuttall |
| Determination Remarks | [is label name] |
| Family | Asteraceae |
| Determination | Centaurea rothrockii Greenman |
| Date Determined | 1903-10-06 |
| Annotation Text | [written on sheet] n. sp. |
| Family | Asteraceae |
| Determination | Plectocephalus rothrockii (Greenman) D. J. N. Hind |
| Determination Remarks | [is Current name] |
| Family | Asteraceae |
| Type Status | Isotype |
| Isotype of | Centaurea rothrockii Greenman |
| Taxon Reference | (for Centaurea rothrockii Greenman) Bot. Gaz. 1904. 37: 221. |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
