| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Ceratostema glandulifera Maguire, Steyerm. & Luteyn | T. W. Henkel 1646 with with M. Chin; and W. Ryan, 28 Feb 1993 | Guyana. Potaro-Siparuni. Pakaraima Mts., Mt. Kukuinang, E border of Kukinang savanna, 1-2 km SSE from summit plateau. | 02496649 |  | |
| Ceratostema glandulifera Maguire, Steyerm. & Luteyn | S. S. Tillett 45057 with C. L. Tillett & R. Boyan, 08 Aug 1960 | Guyana. Mt. Ayanganna. Upper Mazaruni River Basin. Above Thomson Camp. | holotype | 9966 |  |
| Ceratostema glandulifera Maguire, Steyerm. & Luteyn | H. D. Clarke 9723 with with R. Williams; C. Perry; E. Tripp; and J. Kelly, 01 Jul 2001 | Guyana. Potaro-Siparuni. Mt. Ayanganna, E face, 0.2-1.0 km S of camp at base of first of four escarpments. | 02496648 |  |
