| Name | Collema tenax (Swartz) Acharius |
| Authorship | (Swartz) Acharius |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Collema (Weber) F. H. Wiggers |
| GUID | urn:lsid:indexfungorum.org:names:383472 |
| Citation | 1810 Lichenogr. Universalis |
| Holdings | 116 Specimens held in the Harvard University Herbaria identified as Collema tenax (Swartz) Acharius |
| Identification made in | [no date] (115), 2002 (1) |