| Name | Gomphillus americanus Esslinger |
| Authorship | Esslinger |
| Rank | Species |
| Placed in | Gomphillus Nylander |
| Citation | 1975 Mycotaxon 1(3): 189 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Gomphillus americanus Esslinger |
| Identification made in | [no date] (1) |