| Name | Collema glaucescens Hoffmann |
| Authorship | Hoffmann |
| Rank | Species |
| Placed in | Collema (Weber) F. H. Wiggers |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Collema glaucescens Hoffmann |
| Identification made in | [no date] (2) |
| Name | Collema glaucescens Hoffmann |
| Authorship | Hoffmann |
| Rank | Species |
| Placed in | Collema (Weber) F. H. Wiggers |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Collema glaucescens Hoffmann |
| Identification made in | [no date] (2) |