| Name | Weissia microstoma (Hedwig) Müller Halle |
| Authorship | (Hedwig) Müller Halle |
| Rank | Species |
| Placed in | Weissia Hedwig |
| Contains | Weissia microstoma var. brachycarpa (Nees & Hornschuch) Müller Halle |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Weissia microstoma (Hedwig) Müller Halle |
| Identification made in | [no date] (1) |