| Name | Sematophyllum insularum (Sullivant) Mitten |
| Authorship | (Sullivant) Mitten |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Sematophyllum |
| Citation | 1869 J. Linn. Soc., Bot. 12: 489 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Sematophyllum insularum (Sullivant) Mitten |
| Identification made in | [no date] (2) |