| Name | Acmispon americanus var. helleri (Britton) Brouillet |
| Authorship | (Britton) Brouillet |
| Rank | Variety |
| Placed in | Acmispon americanus (Nuttall) Rydberg |
| Citation | 2008 J. Bot. Res. Inst. Texas 2(1): 388 |
| Holdings | 14 Specimens held in the Harvard University Herbaria identified as Acmispon americanus var. helleri (Britton) Brouillet |
| Identification made in | [no date] (14) |
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