| Classification | Loasaceae: Petalonyx |
| Harvard University Herbaria Barcode(s) | 00076077 |
| Type Status | Holotype |
| Collector | Edw. Palmer |
| Collector number | 833 |
| Country | Mexico |
| State | Coahuila |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Coahuila |
| Locality | San Lorenzo de Laguna, 75 miles southwest of Parras |
| Date Collected | 1880-05-** |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/63832fce-4cb8-473f-a9e3-d4f24a0e8032 |
| Harvard University Herbaria Barcode | 00076077 |
| Herbarium | GH |
| Family | Loasaceae |
| Type Status | Holotype |
| Holotype of | Petalonyx crenatus A. Gray ex S. Watson |
| Determination Remarks | [is filed under name] |
| Taxon Reference | (for Petalonyx crenatus A. Gray ex S. Watson) Proc. Amer. Acad. Arts 1882. 17: 358. |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
