| Name | Pseudisothecium myosuroides (Bridel) Grout |
| Authorship | (Bridel) Grout |
| Rank | Species |
| Placed in | Pseudisothecium |
| Citation | 1928 Moss Fl. N. Amer. 3: 12. |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Pseudisothecium myosuroides (Bridel) Grout |
| Identification made in | [no date] (3), 1940 (1) |