| Classification | Apocynaceae: Spongiosperma |
| Harvard University Herbaria Barcode(s) | 02009609 |
| Collector | J. J. Wurdack & L. S. Adderley |
| Collector number | 43749 |
| Country | Venezuela |
| State | Amazonas |
| Geography | South America: South America (Region) (Region): Venezuela: Amazonas |
| Locality | along Cano Cupaven (right bank of Orinoco opposite mouth of Rio Atabapo). Rio Orinoco |
| Date Collected | 1959-08-04 |
| Verbatim Elevation | 125-150 meters |
| Frequency | Occasional |
| Project | Plants on Edge/Endless Forms TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/79f071d6-6205-48e5-a6b9-cb5ce683994c |
| Harvard University Herbaria Barcode | 02009609 |
| Herbarium | GH |
| Family | Apocynaceae |
| Determination | Spongiosperma macrophyllum (Müller Arg.) Zarucchi |
| Determined by | Zarucchi, James Lee |
| Date Determined | 1981-09-** |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |