| Symphyotrichum hesperium (A. Gray) Á. Löve & D. Löve, 1982 |
| Symphyotrichum hintonii (G.L. Nesom) G.L. Nesom, 1995 |
| Symphyotrichum laeve (L.) Á. Löve & D. Löve, 1982 |
| Symphyotrichum lanceolatum (Willd.) G.L. Nesom, 1994 |
| Symphyotrichum lanceolatum var. hesperium (A. Gray) G.L. Nesom, 1994 |
| Symphyotrichum lateriflorum (L.) Á. Löve & D. Löve, 1982 |
| Symphyotrichum leone (Britton) G.L. Nesom, 1994 |
| Symphyotrichum mexicanum Dahal, 2023 |
| Symphyotrichum moranense (Kunth) G.L. Nesom, 1994 |
| Symphyotrichum moranense var. moranense (Kunth) G.L. Nesom, 1994 |
| Symphyotrichum moranense var. turneri (S.D. Sundb. & A.G. Jones) G.L. Nesom, 1994 |
| Symphyotrichum novi-belgii (L.) G.L. Nesom, 1994 |
| Symphyotrichum oblongifolium (Nutt.) G.L. Nesom, 1994 |
| Symphyotrichum oolentangiense (Riddell) G.L. Nesom, 1994 |
| Symphyotrichum potosinum (A. Gray) G.L. Nesom, 1995 |
| Symphyotrichum praealtum G.L. Nesom, 1995 |
| Symphyotrichum purpurascens (Sch. Bip.) G.L. Nesom, 2018 |
| Symphyotrichum schaffneri (Sch. Bip. ex S.D. Sundb. & A.G. Jones) G.L. Nesom, 1994 |
| Symphyotrichum spathulatum (Lindl.) G.L. Nesom, 1994 |
| Symphyotrichum squamatum (Spreng.) G.L. Nesom, 1995 |