| Ptychotis achilleifolia DC. |
Synonym |
 |
TRO |
| Ptychotis ajowan DC. |
Unresolved |
 |
WCSP (in review) |
| Ptychotis amoides W.D.J.Koch |
Unresolved |
 |
WCSP (in review) |
| Ptychotis anethifolia DC. |
Unresolved |
 |
WCSP (in review) |
| Ptychotis arabica T.Anderson |
Unresolved |
 |
WCSP (in review) |
| Ptychotis aspera Pomel |
Unresolved |
 |
WCSP (in review) |
| Ptychotis atlantica Coss. & Durieu |
Unresolved |
 |
WCSP (in review) |
| Ptychotis barbata DC. |
Unresolved |
 |
WCSP (in review) |
| Ptychotis bunius Rchb. |
Unresolved |
 |
WCSP (in review) |
| Ptychotis carvifolia Sond. |
Unresolved |
 |
WCSP (in review) |
| Ptychotis coptica (L.) DC. |
Synonym |
 |
TRO |
| Ptychotis dichotoma Coss. ex Ball |
Unresolved |
 |
WCSP (in review) |
| Ptychotis didyma Sond. |
Unresolved |
 |
WCSP (in review) |
| Ptychotis heterophylla W.D.J.Koch |
Unresolved |
 |
WCSP (in review) |
| Ptychotis hispida Sond. |
Unresolved |
 |
WCSP (in review) |
| Ptychotis intermedia Dörfl. |
Unresolved |
 |
WCSP (in review) |
| Ptychotis involucrata (Roxburgh) Lindl. |
Synonym |
 |
TRO |
| Ptychotis leptophylla (Pers.) Penz. |
Synonym |
 |
WCSP (in review) |
| Ptychotis meisneri Sond. |
Unresolved |
 |
WCSP (in review) |
| Ptychotis montana J.Graham. |
Unresolved |
 |
WCSP (in review) |
| Ptychotis morisiana Bég. |
Unresolved |
 |
WCSP (in review) |
| Ptychotis puberula DC. |
Synonym |
 |
TRO |
| Ptychotis rigens Harv. |
Unresolved |
 |
WCSP (in review) |
| Ptychotis roxburghiana DC. |
Synonym |
 |
TRO |
| Ptychotis sardoa Pignatti & Metlesics |
Unresolved |
 |
WCSP (in review) |
| Ptychotis saxifraga Drude |
Unresolved |
 |
WCSP (in review) |
| Ptychotis saxifraga Loret & Barrandon |
Unresolved |
 |
WCSP (in review) |
| Ptychotis stenoloba Pau |
Unresolved |
 |
WCSP (in review) |
| Ptychotis sylvestris Royle |
Unresolved |
 |
WCSP (in review) |
| Ptychotis tenuis Sond. |
Unresolved |
 |
WCSP (in review) |
| Ptychotis thorei Gren. & Godr. |
Unresolved |
 |
WCSP (in review) |
| Ptychotis timbali Jord. |
Unresolved |
 |
WCSP (in review) |
| Ptychotis trachysperma Boiss. |
Unresolved |
 |
WCSP (in review) |
| Ptychotis vargasiana DC. |
Synonym |
 |
WCSP (in review) |
| Ptychotis verticillata Duby |
Unresolved |
 |
WCSP (in review) |
| Ptychotis verticillatoinundatum (Thore) M.Hiroe |
Unresolved |
 |
WCSP (in review) |