| Classification | Asteraceae: Guardiola |
| Barcode(s) | 00008468 |
| Type Status | Holotype |
| Collector | E. W. Nelson |
| Collector number | 4683 |
| Country | Mexico |
| State | Durango |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Durango |
| Locality | Between Ramos and Inde |
| Date Collected | 1898-08-11 - 1898-08-14 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/896bc782-35f9-4de5-8115-bd2e6d3e11ca |
| Harvard University Herbaria Barcode | 00008468 |
| Herbarium | GH |
| Family | Asteraceae |
| Type Status | Holotype |
| Holotype of | Guardiola odontophylla B. L. Robinson |
| Verified by | V. M. Bates (A/GH) |
| Date Determined | 1983 |
| Taxon Reference | (for Guardiola odontophylla B. L. Robinson) Bull. Torrey Bot. Club 1899. 26: 234. |
| Family | Asteraceae |
| Type Status | Holotype |
| Holotype of | Guardiola odontophylla B. L. Robinson |
| Verified by | P. Van Faasen (MSC) |
| Date Determined | 1970-10-** |
| Taxon Reference | (for Guardiola odontophylla B. L. Robinson) Bull. Torrey Bot. Club 1899. 26: 234. |
| Family | Asteraceae |
| Determination | Guardiola odontophylla B. L. Robinson |
| Determined by | P. Van Faasen (MSC) |
| Date Determined | 1970-10-** |
| Determination Remarks | [current name] |
| Family | Asteraceae |
| Determination | Guardiola odontophylla B. L. Robinson |
| Determination Remarks | [label name] |
| Annotation Text | n. sp. |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |