| Name | Rhachomyces philonthinus Thaxter |
| Authorship | Thaxter |
| Rank | Species |
| Placed in | Rhachomyces Thaxter |
| Citation | 1900 Proc. Amer. Acad. Arts 35: 435 |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Rhachomyces philonthinus Thaxter |
| Identification made in | 2015 (3), 2016 (2) |