| Thelaia elliptica (Nutt.) Alef. | Pyrola elliptica Nutt. |
| Thelaia grandiflora (Radius) Alef. | Pyrola grandiflora Radius |
| Thelaia chlorantha (Sw.) Alef. | Pyrola chlorantha Sw. |
| Thelaia media (Sw.) Alef. | Pyrola media Sw. |
| Thelaia rotundifolia (L.) Alef. | Pyrola rotundifolia L. |
| Thelaia spathulata Alef. | Pyrola picta Sm. |