| Classification | Nymphaeaceae: Nymphaea | 
| Barcode(s) | 00061636 | 
| Type Status | Holotype | 
| Collector | L. J. Brass | 
| Collector number | 7608 | 
| Country | Papua New Guinea | 
| Geography | Oceania: Papuasia (Region): Papua New Guinea | 
| Locality | Lake Daviumbo, Middle Fly River, plentiful in open water of swamps and lagoon and rooting in water up to 2 fathoms deep | 
| Date Collected | 1936-08-** | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/a8e4bcb6-7e3e-441b-8406-a93b316e7138 | 
| Harvard University Herbaria Barcode | 00061636 | 
| Herbarium | A | 
| Family | Nymphaeaceae | 
| Type Status |  Holotype | 
| Holotype of |  Nymphaea macrosperma Merrill & L. M. Perry | 
| Determination Remarks |  [filed under] | 
| Taxon Reference | (for  Nymphaea macrosperma Merrill & L. M. Perry) J. Arnold Arbor. 1942. 23: 389. | 
| Sex | not determined | 
| Phenology | FlowerAndFruit | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |