| Name | Collema leptaleum Tuckerman |
| Authorship | Tuckerman |
| Rank | Species |
| Placed in | Collema (Weber) F. H. Wiggers |
| Contains | Collema leptaleum var. biliosum (Montagne) Degelius |
| GUID | urn:lsid:indexfungorum.org:names:356988 |
| Citation | 1866 ["1864"] Proc. Amer. Acad. Arts 6: 263 |
| Holdings | 60 Specimens held in the Harvard University Herbaria identified as Collema leptaleum Tuckerman |
| Identification made in | [no date] (49), 1966 (1), 1967 (6), 1971 (3), 2011 (1) |