| Gregoria arctica | Androsace americana Wendelbo |
| Gregoria cespitosa | Dionysia cespitosa (Duby) Boiss. |
| Gregoria laevigata | Androsace laevigata (A.Gray) Wendelbo |
| Gregoria michauxii | Dionysia michauxii (Duby) Boiss. |
| Gregoria arctica | Androsace americana Wendelbo |
| Gregoria cespitosa | Dionysia cespitosa (Duby) Boiss. |
| Gregoria laevigata | Androsace laevigata (A.Gray) Wendelbo |
| Gregoria michauxii | Dionysia michauxii (Duby) Boiss. |