| Name | Canthium monstrosum (A. Richard) Merrill |
| Authorship | (A. Richard) Merrill |
| Rank | Species |
| Placed in | Canthium |
| Remarks | [confirmed] [imported from GBIF] |
| Citation | 1928 Philipp. J. Sci. 35: 8 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Canthium monstrosum (A. Richard) Merrill |
| Identification made in | [no date] (1) |