| Classification | Asteraceae: Cirsium |
| Classification 1 | Asteraceae: Cnicus |
| Harvard University Herbaria Barcode(s) | 00139023 |
| Type Status | Isotype |
| Collector | C. G. Pringle |
| Collector number | 3237 |
| Country | Mexico |
| State | México |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: México |
| Locality | Flor de Maria |
| Date Collected | 1890-08-31 |
| Habitat | Calcareous bluffs |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/b1d3be6a-dba9-4991-a4b8-d0d15709de61 |
| Harvard University Herbaria Barcode | 00139023 |
| Herbarium | GH |
| Family | Asteraceae |
| Type Status | Isotype |
| Isotype of | Cirsium acantholepis var. heterolepis Petrak |
| Verified by | G. Nesom |
| Date Determined | 1988 |
| Taxon Reference | (for Cirsium acantholepis var. heterolepis Petrak) Beih. Bot. Centralbl. 1910. 27(Abt. 2): 212. |
| Family | Asteraceae |
| Determination | Cirsium acantholepis (Hemsley) Petrak |
| Determined by | G. Nesom |
| Determination Remarks | [current name] |
| Family | Asteraceae |
| Determination | Cirsium acantholepis var. heterolepis Petrak |
| Determined by | B.L. Robinson |
| Date Determined | 1911 |
| Family | Asteraceae |
| Determination | Cnicus acantholepis Hemsley |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | Fruit |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
