| Name | Leptogium myochroum f. saturninum (Dickson) Tuckerman |
| Authorship | (Dickson) Tuckerman |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Leptogium myochroum (Ehrhart) Nylander |
| Remarks | Published as 'L. myochroum a. saturninum' |
| Citation | 1882 Syn. N. Amer. Lich. 1: 166 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Leptogium myochroum f. saturninum (Dickson) Tuckerman |
| Identification made in | [no date] (4) |