| Name | Coleosporium occidentale Arthur |
| Authorship | Arthur |
| Rank | Species |
| Placed in | Coleosporium |
| Citation | 1907 N. Amer. Fl. 7 (2): 94 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Coleosporium occidentale Arthur |
| Identification made in | [no date] (2) |