| Neogaillonia aucheri | Plocama aucheri (Guill.) M.Backlund & Thulin |
| Neogaillonia crucianelloides | Plocama crucianelloides (Jaub. & Spach) M.Backlund & Thuli |
| Neogaillonia hymenostephana | Plocama hymenostephana (Jaub. & Spach) M.Backlun & Thulin |
| Neogaillonia olivieri | Plocama olivieri (A.Rich. ex DC.) M.Backlund & Thulin |
| Neogaillonia pulchella | Asperula pulchella (Podlech) Ehrend. & Schönb.-Tem. |
| Neogaillonia reboudiana | Plocama reboudiana (Coss. & Durieu) M.Backlund & Thulin |
| Neogaillonia szowitsii | Plocama szowitzii (DC.) M.Backlund & Thulin |