| Name | Collema undulatum Laurer ex Flotow |
| Authorship | Laurer ex Flotow |
| Rank | Species |
| Placed in | Collema (Weber) F. H. Wiggers |
| Contains | Collema undulatum var. granulosum Degelius |
| GUID | urn:lsid:indexfungorum.org:names:383495 |
| Citation | 1850 Linnaea (Geneva) 23: 161 |