| Name | Tomentella umbrinospora M. J. Larsen |
| Authorship | M. J. Larsen |
| Rank | Species |
| Placed in | Tomentella |
| Remarks | Adapt. Antarct. Ecosys. 93: 61 (1963) |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Tomentella umbrinospora M. J. Larsen |
| Identification made in | [no date] (1) |