| Name | Sphenostigma longispathum var. filiforme R. C. Foster |
| Authorship | R. C. Foster |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Sphenostigma longispathum (Herbert) Bentham & Hooker f. |
| GUID | urn:lsid:ipni.org:names:242074-2 |
| Citation | 1945 Contr. Gray Herb. 155: 13 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Sphenostigma longispathum var. filiforme R. C. Foster |
| Identification made in | [no date] (1) |