| Name | Astomum muhlenbergianum (Swartz) Grout | 
| Authorship | (Swartz) Grout | 
| Rank | Species | 
| Placed in | Astomum | 
| Citation | 1938 Moss Fl. N. Amer. 1: 152 | 
| Holdings | 43 Specimens held in the Harvard University Herbaria identified as Astomum muhlenbergianum (Swartz) Grout | 
| Identification made in | [no date] (43) | 
