| Prionosciadium acuminatum B.L.Rob. ex Coult. & Rose |
Unresolved |
 |
WCSP (in review) |
| Prionosciadium crinoideum Mathias & Constance |
Synonym |
 |
TRO |
| Prionosciadium cuneatum J.M.Coult. & Rose |
Unresolved |
 |
WCSP (in review) |
| Prionosciadium dissectum J.M.Coult. & Rose |
Unresolved |
 |
WCSP (in review) |
| Prionosciadium diversifolium Rose |
Unresolved |
 |
WCSP (in review) |
| Prionosciadium durangense J.M.Coult. & Rose |
Unresolved |
 |
WCSP (in review) |
| Prionosciadium filifolium J.M.Coult. & Rose |
Unresolved |
 |
WCSP (in review) |
| Prionosciadium humile Rose |
Accepted |
 |
TRO |
| Prionosciadium lilacinum Mathias & Constance |
Unresolved |
 |
WCSP (in review) |
| Prionosciadium linearifolium (S. Watson) J.M. Coult. & Rose |
Accepted |
 |
TRO |
| Prionosciadium macrophyllum J.M.Coult. & Rose |
Unresolved |
 |
WCSP (in review) |
| Prionosciadium madrense S.Watson |
Unresolved |
 |
WCSP (in review) |
| Prionosciadium megacarpum J.M.Coult. & Rose |
Unresolved |
 |
WCSP (in review) |
| Prionosciadium mexicanum (Vatke) S. Watson |
Synonym |
 |
TRO |
| Prionosciadium moschatum Rose |
Unresolved |
 |
WCSP (in review) |
| Prionosciadium nelsonii J.M. Coult. & Rose |
Accepted |
 |
TRO |
| Prionosciadium palmeri Rose |
Unresolved |
 |
WCSP (in review) |
| Prionosciadium palustre Rose |
Unresolved |
 |
WCSP (in review) |
| Prionosciadium phylloideum Mathias & Constance |
Synonym |
 |
TRO |
| Prionosciadium pringlei S. Watson |
Synonym |
 |
TRO |
| Prionosciadium saravikii Laferr. |
Unresolved |
 |
WCSP (in review) |
| Prionosciadium seleri Rose |
Synonym |
 |
TRO |
| Prionosciadium serratum J.M.Coult. & Rose |
Unresolved |
 |
WCSP (in review) |
| Prionosciadium simplex Mathias & Constance |
Unresolved |
 |
WCSP (in review) |
| Prionosciadium sodiroanum H.Wolff |
Unresolved |
 |
WCSP (in review) |
| Prionosciadium tenuifolium J.M.Coult. & Rose |
Unresolved |
 |
WCSP (in review) |
| Prionosciadium thapsoides (DC.) Mathias |
Accepted |
 |
TRO |
| Prionosciadium thapsoides var. pringlei (S. Watson) Mathias & Constance |
Accepted |
 |
TRO |
| Prionosciadium townsendii Rose |
Unresolved |
 |
WCSP (in review) |
| Prionosciadium turneri Constance & Affolter |
Unresolved |
 |
WCSP (in review) |
| Prionosciadium watsonii J.M. Coult. & Rose |
Accepted |
 |
TRO |