| Classification | Marattiaceae: Ptisana | 
| Harvard University Herbaria Barcode(s) | 02578846 | 
| Collector | W. N. Takeuchi | 
| Collector number | 6646 | 
| Country | Papua New Guinea | 
| State | East Sepik | 
| Geography | Oceania: Papuasia (Region): Papua New Guinea: East Sepik | 
| Locality | April River | 
| Georeference | 4 34 S, 142 35 E | 
| Date Collected | 1990-09-05 | 
| Verbatim Elevation | 100 m | 
| Habitat | Lowland alluvial forest, riparian vegetation along banks of the river. | 
| Project | All Asia Vascular Plants TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/07358977-7be9-4fbf-9d06-71815165a2a0 | 
| Harvard University Herbaria Barcode | 02578846 | 
| Herbarium | A | 
| Previous ownership | [ex] Herbarium of Bishop Museum | 
| Family | Marattiaceae | 
| Determination | Ptisana obesa (Christ) Murdock | 
| Determined by | Murdock, Andrew G. | 
| Date Determined | 2007-08-01 | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |