| Name | Arthrosporium compositum Ellis |
| Authorship | Ellis |
| Rank | Species |
| Placed in | Arthrosporium |
| Citation | 1881 Bull. Torrey Bot. Club 8(2): 64 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Arthrosporium compositum Ellis |
| Identification made in | [no date] (2) |