| Name | Aster laevis var. thyrsoideus Farwell |
| Authorship | Farwell |
| Rank | Variety |
| Placed in | Aster laevis Linnaeus |
| Citation | 1920 Rep. (Annual) Michigan Acad. Sci. 21: 371 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Aster laevis var. thyrsoideus Farwell |
| Identification made in | [no date] (1), 1983 (1), 1984 (1) |