| Classification | Apocynaceae: Macrosiphonia |
| Harvard University Herbaria Barcode(s) | 02378836 |
| Collector | S. G. Tressens, S. A. Caceres Moral, R. O. Vanni & C. Zamudio |
| Collector number | 2354 |
| Country | Argentina |
| State | Corrientes, Provincia de |
| Geography | South America: South America (Region) (Region): Argentina: Corrientes, Provincia de: Mercedes |
| Locality | Ayo. Cuenca, 6 Km S de Felipe Yofre. |
| Date Collected | 1984-02-22 |
| Habitat | Barranca del arroyo, suelo con rocas aflorantes. |
| Project | Plants on Edge/Endless Forms |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/16587f7a-3ec9-4e5b-9c25-64e33d6997f7 |
| Harvard University Herbaria Barcode | 02378836 |
| Herbarium | GH |
| Family | Apocynaceae |
| Determination | Macrosiphonia petraea (A. St.-Hilaire) Kuntze |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
