| Classification | Apocynaceae: Himatanthus | 
| Barcode(s) | 02116172 | 
| Collector | W. C. Steward, I. J. Araujo, G. Rogers, J. F. Ramos, & J. Ribamar | 
| Collector number | 311 | 
| Country | Brazil | 
| State | Amazonas | 
| Geography | South America: South America (Region) (Region): Brazil: Amazonas | 
| Locality | Plants of Brazilian Amazonia; Basin of Rio Negro, State of Amazonas; Rio Negro, Island near Carvoeiro. Varzea. | 
| Date Collected | 1978-01-14 | 
| Project | Plants on Edge/Endless Forms TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/2eb66873-11a3-4e84-a101-8390eb2f54ba | 
| Harvard University Herbaria Barcode | 02116172 | 
| Herbarium | GH | 
| Family | Apocynaceae | 
| Determination |  Himatanthus phagedaenicus (Martius) Woodson | 
| Determined by | Leeuwenberg, Anthonius Josephus Maria | 
| Date Determined | 1980 | 
| Determination Remarks |  [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |