| Name | Thelotrema chionostomum Nylander |
| Authorship | Nylander |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Thelotrema Acharius |
| GUID | urn:lsid:indexfungorum.org:names:407209 |
| Citation | 1863 Ann. Sci. Nat., Bot. 19: 329 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Thelotrema chionostomum Nylander |
| Identification made in | [no date] (2), 1972 (1), 2008 (1) |