| Name | Erigeron breweri var. covillei (Greene) G. L. Nesom |
| Authorship | (Greene) G. L. Nesom |
| Rank | Variety |
| Placed in | Erigeron breweri A. Gray |
| Citation | 1992 Phytologia 72(3): 172 |
| Holdings | 13 Specimens held in the Harvard University Herbaria identified as Erigeron breweri var. covillei (Greene) G. L. Nesom |
| Identification made in | [no date] (13) |
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