Xyris uleana var. angustifolia Lanjouw, Kew Bull: 562. 1939
Xyris uleana var. angustifolia, Kew Bull: 562. 1939
Holotype: Guyana, Kaieteur Savanna, 7 Sep 1937, Sandwith 1421
Isotype: Guyana, Kaieteur Savanna, 7 Sep 1937, Sandwith 1421
Isotype: Guyana, Kaieteur Savanna, 7 Sep 1937, Sandwith 1421 (U)
Xyris uleana var. angustifolia, Kew Bull: 562. 1939