| Name | Stereophyllum mexicanum R. S. Williams |
| Authorship | R. S. Williams |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Stereophyllum |
| Citation | 1923 Bryologist 26: 34 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Stereophyllum mexicanum R. S. Williams |
| Identification made in | [no date] (1), 1992 (1) |