| Name | Psilocaulon mucronulatum N. E. Brown |
| Authorship | N. E. Brown |
| Rank | Species |
| Placed in | Psilocaulon |
| Citation | 1928 Gard. Chron. ser. 3, 84: 254 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Psilocaulon mucronulatum N. E. Brown |
| Identification made in | [no date] (1) |