| Classification | Lamiaceae: Brittonastrum |
| Harvard University Herbaria Barcode(s) | 00001067 |
| Type Status | Holotype |
| Collector | C. G. Pringle |
| Collector number | 10146 |
| Country | Mexico |
| State | Durango |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Durango |
| Locality | Sandia Station |
| Date Collected | 1905-10-15 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/bef0fbb4-1f07-466f-bfd0-8349e026e99c |
| Harvard University Herbaria Barcode | 00001067 |
| Herbarium | GH |
| Family | Lamiaceae |
| Type Status | Holotype |
| Holotype of | Brittonastrum ionocalyx B. L. Robinson |
| Verified by | Roger W. Sanders |
| Determination Remarks | [is filed under name] |
| Taxon Reference | (for Brittonastrum ionocalyx B. L. Robinson) Proc. Amer. Acad. Arts 1907. 43: 25. |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
