| Name | Heterotheca subaxillaris subsp. latifolia (Buckley) Semple |
| Authorship | (Buckley) Semple |
| Rank | Subspecies |
| Placed in | Heterotheca subaxillaris (Lamarck) Britton & Rusby |
| Citation | 2004 Sida 21(2): 759 |
| Holdings | 108 Specimens held in the Harvard University Herbaria identified as Heterotheca subaxillaris subsp. latifolia (Buckley) Semple |
| Identification made in | [no date] (108) |