| Name | Collema vespertilio (Lightfoot) Hoffmann |
| Authorship | (Lightfoot) Hoffmann |
| Rank | Species |
| Placed in | Collema (Weber) F. H. Wiggers |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Collema vespertilio (Lightfoot) Hoffmann |
| Identification made in | [no date] (3) |