| Asteraceae | |
Aster falcatus subsp. commutatus
| (Torr. & A. Gray) A.G. Jones | Rhodora 80(823): 340 | 1978 |
| Asteraceae | |
Aster falcatus var. commutatus
| (Torr. & A. Gray) A.G. Jones | Phytologia 63(2): 131 | 1987 |
| Asteraceae | |
Aster falcatus var. crassulus
| (Rydb.) Cronquist | Bull. Torrey Bot. Club 74(2): 144 | 1947 |
| Asteraceae | |
Aster falcatus subsp. falcatus
| | | |
| Asteraceae | |
Aster falcatus var. falcatus
| | | |