| Name | Collema cyrtaspis Tuckerman |
| Authorship | Tuckerman |
| Rank | Species |
| Placed in | Collema (Weber) F. H. Wiggers |
| GUID | urn:lsid:indexfungorum.org:names:383241 |
| Citation | 1862 Proc. Amer. Acad. Arts 5: 387 |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Collema cyrtaspis Tuckerman |
| Identification made in | [no date] (4), 1967 (1), 2023 (1) |
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