| Name | Pyrenula brachysperma Müller Arg. |
| Authorship | Müller Arg. |
| Rank | Species |
| Placed in | Pyrenula Acharius |
| Citation | 1884 Flora 67(35): 670 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Pyrenula brachysperma Müller Arg. |
| Identification made in | [no date] (1) |
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