| Trimorpha attica | Erigeron atticus Vill. trib. Astereae |
| Trimorpha borealis | Erigeron borealis (Vierh.) Simmons trib. Astereae |
| Trimorpha epirotica | Erigeron epiroticus (Vierh.) Halácsy trib. Astereae |
| Trimorpha eriocephala | Erigeron eriocephalus J.Vahl trib. Astereae |
| Trimorpha intermedia | Erigeron intermedius Rchb. trib. Astereae |
| Trimorpha kumaunensis Vierh. | Erigeron kumaunensis (Vierh.) Wendelbo trib. Astereae |
| Trimorpha rhodopaea | Erigeron rhodopaeus (Vierh.) Hayek |
| Trimorpha schleicheri | Erigeron schleicheri Gremli trib. Astereae |
| Trimorpha uniflora | Erigeron uniflorus L. trib. Astereae |