| Name | Chrysomyxa expansa Dietel |
| Authorship | Dietel |
| Rank | Species |
| Placed in | Chrysomyxa |
| Citation | 1900 Bot. Jahrb. Syst. 28(3): 287 |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Chrysomyxa expansa Dietel |
| Identification made in | [no date] (6) |