| Name | Gymnostomum viridulum Bridel | 
| Authorship | Bridel | 
| Rank | Species | 
| Placed in | Gymnostomum | 
| Citation | 1826 Bryol. Univ. 1: 66 | 
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Gymnostomum viridulum Bridel | 
| Identification made in | [no date] (1) |