| Name | Zeugites americanus var. mexicanus (Kunth) McVaugh |
| Authorship | (Kunth) McVaugh |
| Rank | Variety |
| Placed in | Zeugites americanus Willdenow |
| Citation | 1983 Fl. Novo-Galiciana 14: 413 |
| Holdings | 7 Specimens held in the Harvard University Herbaria identified as Zeugites americanus var. mexicanus (Kunth) McVaugh |
| Identification made in | [no date] (7) |
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