| Name | Aster dumosus f. monocephalus Farwell |
| Authorship | Farwell |
| Rank | Forma |
| Placed in | Aster dumosus Linnaeus |
| Citation | 1923 Pap. Michigan Acad. Sci. 1: 100 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Aster dumosus f. monocephalus Farwell |
| Identification made in | [no date] (1), 1982 (1), 2017 (1) |