| Name | Nuphar advena var. minor Morong |
| Authorship | Morong |
| Rank | Variety |
| Placed in | Nuphar advena (Aiton) W. T. Aiton |
| Citation | 1886 Bot. Gaz. 11: 167 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Nuphar advena var. minor Morong |
| Identification made in | [no date] (2), 2017 (1) |