| Name | Thuidium microphyllum var. obtusum Grout | 
| Authorship | Grout | 
| Rank | Variety | 
| NomenclaturalStatus | NomLeg | 
| Placed in | Thuidium microphyllum (Hedwig) A. Jaeger | 
| Citation | 1932 Moss Fl. N. Amer. 3: 178 | 
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Thuidium microphyllum var. obtusum Grout | 
| Identification made in | [no date] (1) | 
