| Name | Spatholirion longifolium (Gagnepain) Dunn |
| Authorship | (Gagnepain) Dunn |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Spatholirion |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Spatholirion longifolium (Gagnepain) Dunn |
| Identification made in | [no date] (1), 2011 (2) |