| Name | Erigeron peregrinus subsp. callianthemum (Greene) Cronquist |
| Authorship | (Greene) Cronquist |
| Rank | Subspecies |
| Placed in | Erigeron peregrinus (Banks ex Pursh) Greene |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Erigeron peregrinus subsp. callianthemum (Greene) Cronquist |
| Identification made in | [no date] (1), 1942 (1) |
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