| Classification | Rubiaceae: Guettardella | 
| Classification 1 | Rubiaceae: Antirhea | 
| Harvard University Herbaria Barcode(s) | 00112727 | 
| Type Status | Isotype | 
| Collector | F. H. Endert | 
| Collector number | 5397 | 
| Country | Indonesia | 
| State | Kalimantan Timur (East Kalimantan) | 
| Geography | Asia: Southeast Asia (Region): Indonesia: Kalimantan: Kalimantan Timur (East Kalimantan) | 
| Locality | W. Koetai, no. 45 Kombeng, limestone rock, hillridge, forst, 200 m | 
| Date Collected | 1925-11-29 | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/c3f40e59-4b81-4e9f-995f-b21bbd13f086 | 
| Harvard University Herbaria Barcode | 00112727 | 
| Herbarium | A | 
| Family | Rubiaceae | 
| Type Status | Isotype | 
| Isotype of | Guettardella obscura M. E. Jansen | 
| Taxon Reference | (for  Guettardella obscura M. E. Jansen) Blumea 1984. 29: 580. | 
| Family | Rubiaceae | 
| Determination | Antirhea hexasperma (Roxburgh) Merrill | 
| Determined by | S. Chaw | 
| Determination Remarks | [current name] | 
| Sex | not determined | 
| Phenology | Fruit | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |