| Name | Sematophyllum caespitosum var. laticuspidatum (Cardot) Thériot |
| Authorship | (Cardot) Thériot |
| Rank | Variety |
| Placed in | Sematophyllum caespitosum Mitten |
| Citation | 1931 Smithsonian Misc. Collect. 85(4): 42 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Sematophyllum caespitosum var. laticuspidatum (Cardot) Thériot |
| Identification made in | [no date] (1) |