| Classification | Loasaceae |
| Harvard University Herbaria Barcode(s) | 00263833 |
| Collector | Edw. Palmer |
| Collector number | 100 |
| Country | United States of America |
| State | Arizona |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Arizona |
| Locality | Southern Arizona, near Tucson |
| Date Collected | 1867-08-22 |
| Habitat | Sandy arroyos |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/4dfe75a3-04a7-4195-a266-0e5c9e900e3c |
| Harvard University Herbaria Barcode | 00263833 |
| Herbarium | GH |
| Family | Loasaceae |
| Determination | Petalonyx thurberi A. Gray |
| Determination Remarks | [is filed under name] [is label name] [is Current name] |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
| Item Remarks | [mounted with Holotype of Petalonyx thurberi A. Gray, Thurber 683, 76078, and non-type specimen of Cooper s.n., 1860-1861, 263834] |
