| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Ouratea oblongifolia Rusby | R. de Lemos Fróes 21257 22 Oct 1945 | Brazil. Amazonas. Jauareté, Vaupés, Río Negro. | 02175576 |  | |
| Ouratea oblongifolia Rusby | R. S. Williams 371 27 Nov 1901 | Bolivia. San Buena Ventura. | possible type | 428960 |  |
| Ouratea oblongifolia Rusby | E. Lleras P17091 2 Aug 1973 | Brazil. Amazonas. Rio Solimões and Rio Javari, north of Palmeiras airstrip. | 02175575 |  |