| Name | Leucoloma subtuberculosum f. longifolium Thériot |
| Authorship | Thériot |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Leucoloma subtuberculosum Renauld |
| Citation | 1925 Recueil Publ. Soc. Havraise Etudes Diverses 92: 133 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Leucoloma subtuberculosum f. longifolium Thériot |
| Identification made in | [no date] (1), 1996 (1) |