| Name | Bacidia effusa (Smith) Trevisan |
| Authorship | (Smith) Trevisan |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Bacidia De Notaris |
| Citation | 1856 Linnaea 28: 293 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Bacidia effusa (Smith) Trevisan |
| Identification made in | [no date] (1) |