| Name | Erigeron breweri var. porphyreticus (M. E. Jones) Cronquist |
| Authorship | (M. E. Jones) Cronquist |
| Rank | Variety |
| Placed in | Erigeron breweri A. Gray |
| Citation | 1947 Brittonia 6: 283 |
| Holdings | 7 Specimens held in the Harvard University Herbaria identified as Erigeron breweri var. porphyreticus (M. E. Jones) Cronquist |
| Identification made in | [no date] (7) |
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