| Name | Acmispon haydonii (Orcutt) Brouillet |
| Authorship | (Orcutt) Brouillet |
| Rank | Species |
| Placed in | Acmispon |
| Citation | 2008 J. Bot. Res. Inst. Texas 2(1): 390 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Acmispon haydonii (Orcutt) Brouillet |
| Identification made in | [no date] (1) |