| Name | Hysterangium stoloniferum f. americanum Fitzpatrick |
| Authorship | Fitzpatrick |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Hysterangium stoloniferum Tulasne & C. Tulasne |
| Citation | 1913 Ann. Mycol. 11(2): 129 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Hysterangium stoloniferum f. americanum Fitzpatrick |
| Identification made in | [no date] (1) |