Xyris paraensis var. longiceps (Malme) L.B. Smith & Downs in Arch. Bot. Sao Paulo 4: 28. 1966 sec. Charles N. Horn & al. 1994
- ≡Xyris longiceps Malme in Recueil Trav. Bot. Neerl. 9: 131. 1912
- =Xyris leptostachya Malme in Recueil 'frav. Bot. Neerl. 9: 132. 1912
