| Name | Didymium melanospermum var. minus Lister |
| Authorship | Lister |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Didymium melanospermum (Persoon) T. Macbride |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Didymium melanospermum var. minus Lister |
| Identification made in | [no date] (3) |