| Classification | Marattiaceae: Ptisana | 
| Harvard University Herbaria Barcode(s) | 02578920 | 
| Collector | W. N. Takeuchi | 
| Collector number | 6371 | 
| Country | Papua New Guinea | 
| State | East Sepik | 
| Geography | Oceania: Papuasia (Region): Papua New Guinea: East Sepik | 
| Locality | Hunstein range (Mt. Samsai), near site "Camp 4," crestline of main ridge to summit | 
| Georeference | 4 31 S, 142 43 E | 
| Date Collected | 1990-07-24 | 
| Verbatim Elevation | 1000+ m | 
| Habitat | Diverse mossy forest, mixed composition of lowland & low montane taxa | 
| Project | All Asia Vascular Plants TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/ce7b9957-03b8-41b4-915d-ac7920d108ff | 
| Harvard University Herbaria Barcode | 02578920 | 
| Herbarium | A | 
| Previous ownership | [ex] Herbarium of Bishop Museum | 
| Family | Marattiaceae | 
| Determination | Ptisana sp. | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |