| Name | Collema pulposum var. tenax (Swartz) Nylander |
| Authorship | (Swartz) Nylander |
| Rank | Variety |
| Placed in | Collema pulposum (Bernhardi) Acharius |
| GUID | urn:lsid:indexfungorum.org:names:463001 |
| Citation | 1860 Syn. Meth. Lich. [Nylander] 1: 110 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Collema pulposum var. tenax (Swartz) Nylander |
| Identification made in | [no date] (2) |