| Name | Cystoderma amianthinum var. sublongispora Singer |
| Authorship | Singer |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Cystoderma amianthinum (Scopoli) Fayod |
| Citation | 1945 ["1944"] Pap. Michigan Acad. Sci. 30: 112 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Cystoderma amianthinum var. sublongispora Singer |
| Identification made in | [no date] (3) |