| Trimorpha alpina (L.) Vierh. | Erigeron alpinus L. trib. Astereae |
| Trimorpha attica (Vill.) Vierh. | Erigeron atticus Vill. trib. Astereae |
| Trimorpha borealis Vierh. | Erigeron borealis (Vierh.) Simmons trib. Astereae |
| Trimorpha epirotica Vierh. | Erigeron epiroticus (Vierh.) Halácsy trib. Astereae |
| Trimorpha eriocephala (J.Vahl) Popov | Erigeron eriocephalus J.Vahl trib. Astereae |
| Trimorpha schleicheri (Gremli) Vierh. | Erigeron schleicheri Gremli trib. Astereae |
| Trimorpha uniflora (L.) S.F.Gray | Erigeron uniflorus L. trib. Astereae |