| Name | Acmispon americanus (Nuttall) Rydberg |
| Authorship | (Nuttall) Rydberg |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Acmispon |
| Contains | Acmispon americanus var. helleri (Britton) Brouillet |
| Holdings | 277 Specimens held in the Harvard University Herbaria identified as Acmispon americanus (Nuttall) Rydberg |
| Identification made in | [no date] (275), 2015 (2) |
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