| Gratiola aurea Pursh | Gratiola lutea Raf. |
| Gratiola callosa Raf. | Gratiola ramosa Walter |
| Gratiola concinna Colenso | Gratiola nana Benth. |
| Gratiola drummondii Benth. | Gratiola ramosa Walter |
| Gratiola lutea obtusa Pennell | Gratiola lutea Raf. |
| Gratiola quadridentata Michx. | Gratiola ramosa Walter |
| Gratiola ramosa drummondii (Benth.) Pennell | Gratiola ramosa Walter |