| Name | Eustoma russellianum var. gracile Engelmann ex A. Gray |
| Authorship | Engelmann ex A. Gray |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Eustoma russellianum G. Don |
| Citation | 1884 Syn. Fl. N. Amer. 1(2): 116 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Eustoma russellianum var. gracile Engelmann ex A. Gray |
| Identification made in | [no date] (4) |