| Name | Petalostemon chiapense Brandegee |
| Authorship | Brandegee |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Petalostemon |
| Citation | 1924 Univ. Calif. Publ. Bot. 10: 408 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Petalostemon chiapense Brandegee |
| Identification made in | [no date] (1) |