| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Ceratostema cutucuense Luteyn | M. T. Madison 3372 with et al., | Ecuador. Morona Santiago. W slopes of Cordillera de Cutucú, Logroño-Yaupi trail. | |||
| Ceratostema cutucuense Luteyn | M. T. Madison 3372 with E. O. Bush, & E. W. Davis, Nov 1976 | Ecuador. Morona Santiago. Cordillera de Cutucú, western slopes, along a trail from Logroño to Yaupi, in the general region. | holotype | 10419 |  |
| Ceratostema cutucuense Luteyn | M. T. Madison 3372 with et al., | Ecuador. Morona Santiago. Cordillera de Cutucu, W slopes, Logroño-Yaupi trail. |
