Xyris uleana Malme var. uleana sec. Charles N. Horn & al. 1994
- =Xyris duidensis Malme in Bull. Torrey Bot. Club 58: 325. 1931
- Isotype: Venezuela, T.F.Amazonas, summit of Mt. Duida, Thte 811
- Holotype: Venezuela, T.F.Amazonas, summit of Mt. Duida, Thte 811
- =Xyris vaupesiana Idrobo & L.B. Smith in Caldasia 6: fig a-f. 1954
- Holotype: Colombia, Vaupes, Caiio Pacu, Rio Vaupes, 6 Mar 1944, R.E. Schultes 5831
- Isotype: Colombia, Vaupes, Caiio Pacu, Rio Vaupes, 6 Mar 1944, R.E. Schultes 5831
