| Name | Najas indica var. gracillima A. Braun ex Engelmann |
| Authorship | A. Braun ex Engelmann |
| Rank | Variety |
| Placed in | Najas indica (Willdenow) Chamisso |
| Citation | 1867 Manual (Gray), ed. 5 681 |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Najas indica var. gracillima A. Braun ex Engelmann |
| Identification made in | 2018 (5) |