| Name | Prionosciadium nelsoni J. M. Coulter & Rose |
| Authorship | J.M. Coulter & Rose |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Prionosciadium |
| Citation | 1900 Proc. Wash. Acad. Sci. 1: 149 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Prionosciadium nelsoni J. M. Coulter & Rose |
| Identification made in | [no date] (2) |