| Asteraceae | |
Aster concolor fo. concolor
| | | |
| Asteraceae | |
Aster concolor var. concolor
| | | |
| Asteraceae | |
Aster concolor var. devestitus
| S.F. Blake | Rhodora 32: 145 | 1930 |
| Asteraceae | |
Aster concolor fo. lasiocaulis
| Fernald | Rhodora 38(456): 448–449 | 1936 |
| Asteraceae | |
Aster concolor var. simulatus
| (Small) R.W. Long | Rhodora 72(789): 39–40 | 1970 |