| Name | Thyrsanthus guyanensis (Müller Arg.) Miers |
| Authorship | (Müller Arg.) Miers |
| Rank | Species |
| Placed in | Thyrsanthus Bentham |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Thyrsanthus guyanensis (Müller Arg.) Miers |
| Identification made in | [no date] (1) |