| Classification | Asteraceae: Cnicus |
| Classification 1 | Asteraceae: Cirsium |
| Harvard University Herbaria Barcode(s) | 00139017 |
| Type Status | Type |
| Collector | E. W. Nelson |
| Collector number | 4633 |
| Country | Mexico |
| State | Durango |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Durango |
| Date Collected | 1898-08-01 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/4ecb9bb1-6b5e-48ff-acd9-f1377db254ba |
| Harvard University Herbaria Barcode | 00139017 |
| Herbarium | GH |
| Family | Asteraceae |
| Determination | Cnicus sp. |
| Determination Remarks | [is label name] |
| Annotation Text | Cnicus ochrocentrus var. durangensis [ined. Mar 2010] |
| Family | Asteraceae |
| Determination | Cirsium ochrocentrum var. durangense Greenman |
| Determined by | B.L. Robinson |
| Date Determined | 1911 |
| Family | Asteraceae |
| Determination | Cirsium ochrocentrum var. durangense Greenman |
| Determined by | G. B. Owenby |
| Date Determined | 1960 |
| Annotation Text | Type Collection; Holotype? |
| Family | Asteraceae |
| Determination | Cirsium durangense (Greenman) G. B. Ownbey |
| Determined by | G. Nesom |
| Date Determined | 1988 |
| Determination Remarks | [is Current name] |
| Family | Asteraceae |
| Type Status | Type |
| Type of | Cirsium ochrocentrum var. durangense Greenman |
| Verified by | G. Nesom |
| Date Determined | 1988 |
| Taxon Reference | (for Cirsium ochrocentrum var. durangense Greenman) Proc. Amer. Acad. Arts 1904. 40: 51. |
| Sex | not determined |
| Phenology | Fruit |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
