| Classification | Apocynaceae: Himatanthus |
| Harvard University Herbaria Barcode(s) | 02116104 |
| Collector | D. G. Campbell, J. C. Ongley, & J. F. Ramos |
| Collector number | P20832 |
| Country | Brazil |
| State | Amazonas |
| Geography | South America: South America (Region) (Region): Brazil: Amazonas |
| Locality | Plants of Brazilian Amazonia; State of Amazonas; Manaus-Pôrto-Velho Highway; Rio Tupana, Km. 160. Igapó Tupana |
| Date Collected | 1974-03-22 |
| Habitat | black water. |
| Project | Plants on Edge/Endless Forms TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/b2cd52a6-bc12-45d3-a16f-8a191c9c1b1b |
| Harvard University Herbaria Barcode | 02116104 |
| Herbarium | GH |
| Family | Apocynaceae |
| Determination | Himatanthus attenuata (Bentham) Woodson |
| Determined by | Markgraf, Friedrich |
| Date Determined | 1981 |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |