| 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) |