| Name | Collema microptychium Tuckerman |
| Authorship | Tuckerman |
| Rank | Species |
| Placed in | Collema (Weber) F. H. Wiggers |
| GUID | urn:lsid:indexfungorum.org:names:383352 |
| Citation | 1866 Lich. Calif. 35 |
| Holdings | 7 Specimens held in the Harvard University Herbaria identified as Collema microptychium Tuckerman |
| Identification made in | [no date] (6), 1953 (1) |
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