| Name | Erigeron formosissimus Greene |
| Authorship | Greene |
| Rank | Species |
| Placed in | Erigeron Linnaeus |
| Contains | Erigeron formosissimus var. viscidus (Rydberg) Cronquist |
| Citation | 1898 Bull. Torrey Bot. Club 25(3): 121 |
| Holdings | 39 Specimens held in the Harvard University Herbaria identified as Erigeron formosissimus Greene |
| Identification made in | [no date] (28), 1941 (4), 1942 (2), 1944 (2), 1946 (1), 1985 (1), 2004 (1) |