| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Xyris stenostachya Steyerm. | L. M. Campbell 442 with Gustavo A. Romero & Carlos Gómez, 08 Nov 1996 | Venezuela. Amazonas. Granitic outcrop (lajas) adjacent to Raudal Gavilán, ca. 35 km east of Puerto Ayacucho. | 77276 |  | |
| Xyris stenostachya Steyerm. | J. A. Steyermark 58437 08 Sep 1944 | Venezuela. Amazonas. Below mouth of Río Sanariapo, along Orinoco river. | isotype | 246995 |  |
| Xyris stenostachya Steyerm. | 02647120 |  | |||
| Xyris stenostachya Steyerm. | 02647119 |  | |||
| Xyris stenostachya Steyerm. | 02647117 |  | |||
| Xyris stenostachya Steyerm. | 02647121 |  | |||
| Xyris stenostachya Steyerm. | B. Maguire 29243 | Venezuela. Amazonas. Atures Mun. Puerto Ayacucho. behind (east of) Hotel Amazonas. | 02647118 |  | |
| Xyris stenostachya Steyerm. | M. F. Torres AMB302 with M. Feranandez, A. M. Bedoya, 25 Sep 2012 | Colombia. Meta. La Macarena Mun. | 01169639 |  | |
| Xyris stenostachya Steyerm. | 05164369 |  |