| Name | Collema nigrescens (Hudson) de Candolle |
| Authorship | (Hudson) de Candolle |
| Rank | Species |
| Placed in | Collema (Weber) F. H. Wiggers |
| Contains | Collema nigrescens f. caesium (Clements) Acharius Collema nigrescens var. leucopeplum Tuckerman |
| GUID | urn:lsid:indexfungorum.org:names:383370 |
| Citation | 1805 Fl. Franc. [de Candolle & Lamarck], ed. 3. 2: 384 |
| Holdings | 156 Specimens held in the Harvard University Herbaria identified as Collema nigrescens (Hudson) de Candolle |
| Identification made in | [no date] (156) |