| Classification | Rhamnaceae: Rhamnus | 
| Barcode(s) | 00051432 | 
| Type Status | Holotype | 
| Collector | E. H. Wilson | 
| Collector number | 4096 | 
| Country | China | 
| State | Sichuan | 
| Geography | Asia: East Asia (Region): China: Sichuan | 
| Locality | Tachen-lu, alt. 5000-7000 feet | 
| Date Collected | 1910-10-** | 
| Elevation | 1524 - 2133 m | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/0c949c46-ecd7-44e2-a30e-62d6ff9d087e | 
| Harvard University Herbaria Barcode | 00051432 | 
| Herbarium | A | 
| Family | Rhamnaceae | 
| Type Status |  Holotype | 
| Holotype of |  Rhamnus dumetorum var. crenoserratus Rehder & E. H. Wilson | 
| Verified by | H. G. Bedell | 
| Determination Remarks |  [filed under] | 
| Taxon Reference | (for  Rhamnus dumetorum var. crenoserratus Rehder & E. H. Wilson) Pl. Wilson. 1914. 2: 238. | 
| Sex | not determined | 
| Phenology | Fruit | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |