| Onosmodium alabamense Gand. |
Unresolved |
 |
WCSP (in review) |
|
| Onosmodium bejariense DC. |
Accepted |
 |
TRO |
|
| Onosmodium bejariense var. occidentale (Mack.) B.L. Turner |
Synonym |
 |
TRO |
|
| Onosmodium bejariense var. subsetosum (Mack. & Bush) B.L. Turner |
Synonym |
 |
TRO |
|
| Onosmodium carolinianum (Lam.) A. DC. |
Accepted |
 |
TRO |
|
| Onosmodium decipiens J.R. Allison |
Synonym |
 |
TRO |
|
| Onosmodium discolor (Benth.) Macbride |
Synonym |
 |
TRO |
|
| Onosmodium dodrantale I.M. Johnst. |
Accepted |
 |
TRO |
|
| Onosmodium eriocaulon A. DC. |
Synonym |
 |
TRO |
|
| Onosmodium floridanum Gand. |
Unresolved |
 |
WCSP (in review) |
|
| Onosmodium helleri Small |
Synonym |
 |
TRO |
|
| Onosmodium hispidissimum Mack. |
Accepted |
 |
TRO |
|
| Onosmodium hispidissimum var. hispidissimum |
Synonym |
 |
TRO |
|
| Onosmodium hispidum Michx. |
Unresolved |
 |
WCSP (in review) |
|
| Onosmodium longiflorum (Sessé & Moc. ex D. Don) Macbride |
Synonym |
 |
TRO |
|
| Onosmodium longistylum Gand. |
Unresolved |
 |
WCSP (in review) |
|
| Onosmodium molle Michx. |
Accepted |
 |
TRO |
|
| Onosmodium molle var. molle |
Synonym |
 |
TRO |
|
| Onosmodium molle subsp. occidentale (Mack.) Cochrane |
Synonym |
 |
TRO |
|
| Onosmodium molle var. subsetosum (Mack. & Bush) Cronquist |
Synonym |
 |
TRO |
|
| Onosmodium molle subsp. subsetosum (Mack. & Bush) Cochrane |
Synonym |
 |
TRO |
|
| Onosmodium oaxacanum B.L. Turner |
Accepted |
 |
TRO |
|
| Onosmodium occidentale Mack. |
Accepted |
 |
TRO |
|
| Onosmodium pringlei (Greenm.) J.F. Macbr. |
Synonym |
 |
TRO |
|
| Onosmodium revolutum (B.L. Rob.) J.F. Macbr. |
Synonym |
 |
TRO |
|
| Onosmodium scabrum Roem. & Schult. |
Unresolved |
 |
WCSP (in review) |
|
| Onosmodium strigosum (Kunth) G. Don |
Synonym |
 |
TRO |
|
| Onosmodium subsetosum Mack. & Bush |
Accepted |
 |
TRO |
|
| Onosmodium thurberi A. Gray |
Synonym |
 |
TRO |
|
| Onosmodium unicum J.F. Macbr. |
Accepted |
 |
TRO |
|
| Onosmodium virginianum (L.) A. DC. |
Accepted |
 |
TRO |
|