| Classification | Nymphaeaceae: Nuphar |
| Harvard University Herbaria Barcode(s) | 00097948 |
| Type Status | Isolectotype |
| Collector | C. C. Parry |
| Country | United States of America |
| State | Colorado |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Colorado |
| Locality | Osborn's Lake, 8800 feet |
| Date Collected | 1864 |
| Elevation | 2682 m |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/20593e3a-6e5a-4e62-96e5-9d6f64028327 |
| Harvard University Herbaria Barcode | 00097948 |
| Herbarium | GH |
| Family | Nymphaeaceae |
| Type Status | Isolectotype |
| Isolectotype of | Nuphar polysepala Engelmann |
| Taxon Reference | (for Nuphar polysepala Engelmann) Trans. Acad. Sci. St. Louis 1866. 2: 282. |
| Family | Nymphaeaceae |
| Determination | Nuphar lutea subsp. polysepala (Engelmann) Beal |
| Determined by | E. O. Beal |
| Date Determined | 1954 |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |