| Name | Pothomorphe tecumensis var. grandis Trelease |
| Authorship | Trelease |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Pothomorphe tecumensis Trelease |
| Citation | 1940 Ann. Missouri Bot. Gard. 27: 307 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Pothomorphe tecumensis var. grandis Trelease |
| Identification made in | [no date] (1) |