| Name | Ambrosia artemisiifolia var. paniculata (Michaux) Blankinship |
| Authorship | (Michaux) Blankinship |
| Rank | Variety |
| Placed in | Ambrosia artemisiifolia Linnaeus |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Ambrosia artemisiifolia var. paniculata (Michaux) Blankinship |
| Identification made in | [no date] (2) |
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