| Name | Aster umbellatus f. intercedens Fernald |
| Authorship | Fernald |
| Rank | Forma |
| Placed in | Aster umbellatus Miller |
| Citation | 1949 Rhodora 51: 102 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Aster umbellatus f. intercedens Fernald |
| Identification made in | [no date] (1), 1981 (1), 1982 (1) |