| Name | Collema conglomeratum Hoffmann |
| Authorship | Hoffmann |
| Rank | Species |
| Placed in | Collema (Weber) F. H. Wiggers |
| Contains | Collema conglomeratum var. crassiusculum (Malme) Degelius |
| GUID | urn:lsid:indexfungorum.org:names:383223 |
| Citation | 1796 ["1795"] Deutschl. Fl., Theil 2 (Hoffm.) 102 |
| Holdings | 88 Specimens held in the Harvard University Herbaria identified as Collema conglomeratum Hoffmann |
| Identification made in | [no date] (88) |