| Name | Conyza canadensis var. pusilla (Nuttall) Cronquist |
| Authorship | (Nuttall) Cronquist |
| Rank | Variety |
| Placed in | Conyza canadensis (Linnaeus) Cronquist |
| Citation | 1947 Bull. Torrey Bot. Club 74: 150 |
| Holdings | 67 Specimens held in the Harvard University Herbaria identified as Conyza canadensis var. pusilla (Nuttall) Cronquist |
| Identification made in | [no date] (67) |
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