| Name | Erigeron lassenianus Greene |
| Authorship | Greene |
| Rank | Species |
| Placed in | Erigeron Linnaeus |
| Citation | 1897 Fl. Francisc. 389 |
| Holdings | 13 Specimens held in the Harvard University Herbaria identified as Erigeron lassenianus Greene |
| Identification made in | [no date] (13) |
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