| Name | Acaulon triquetrum (Spruce) Müller Halle |
| Authorship | (Spruce) Müller Halle |
| Rank | Species |
| Placed in | Acaulon Müller Halle |
| Citation | 1847 Bot. Zeitung (Berlin) 5: 100 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Acaulon triquetrum (Spruce) Müller Halle |
| Identification made in | [no date] (3) |
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