| Classification | Apocynaceae: Stemmadenia |
| Harvard University Herbaria Barcode(s) | 02009832 |
| Collector | U. T. Waterfall |
| Collector number | 12791 |
| Country | Mexico |
| State | Sinaloa |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Sinaloa |
| Locality | River bank near junction of road to La Cruz, 90 miles northwest of Mazatlan |
| Date Collected | 1956-08-16 |
| Project | Plants on Edge/Endless Forms TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/f16fca61-3bb9-47bb-81f2-c6d1adaab764 |
| Harvard University Herbaria Barcode | 02009832 |
| Herbarium | GH |
| Family | Apocynaceae |
| Determination | Stemmadenia tomentosa Greenman |
| Determined by | Leeuwenberg, Anthonius Josephus Maria |
| Date Determined | 1991 |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |