| Name | Pteryxia davidsonii (J. M. Coulter & Rose) Mathiassen & Constantineanu |
| Authorship | (J. M. Coulter & Rose) Mathiassen & Constantineanu |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Pteryxia (Nuttall ex Torrey & A. Gray) J. M. Coulter & Rose |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Pteryxia davidsonii (J. M. Coulter & Rose) Mathiassen & Constantineanu |
| Identification made in | 1963 (1) |