| Classification | Boraginaceae: Ptilocalyx |
| Harvard University Herbaria Barcode(s) | 00106149 |
| Type Status | Syntype |
| Collector | J. Gregg |
| Collector number | 507 |
| Country | Mexico |
| State | Coahuila |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Coahuila |
| Locality | [Near La Azufosa, north of Saltillo] |
| Date Collected | 1848-09-22 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/0e9221b5-0776-40ce-bcc2-f287b43675ed |
| Harvard University Herbaria Barcode | 00106149 |
| Herbarium | GH |
| Family | Boraginaceae |
| Type Status | Syntype |
| Syntype of | Ptilocalyx greggii Torrey & A. Gray |
| Determination Remarks | [is filed under name] |
| Taxon Reference | (for Ptilocalyx greggii Torrey & A. Gray) Pacific Railr. Rep. 2, Pt. 4, Bot. (Pope) 1857. 170. |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
