Bulbostylis paradoxa (Spreng.) Lindm., Bih. Kongl. Svenska Vetensk.-Akad. Handl. 26 Afd. 3 No. 9: 17. 1900 sec. González-Elizondo & al. 2018
- =Schoenus spadiceus Kunth, Nov. gen. sp. 1: 227-228 t. 69, f. 1. 1815 syn. sec. Diego & González 2008
- =Schoenus paradoxus Spreng., Syst. Veg. 1: 190. 1825 syn. sec. Diego & González 2008
- =Isolepis paradoxa (Spreng.) Kunth, Enum. pl. 2: 206. 1837 syn. sec. Diego & González 2008
- =Oncostylis paradoxa (Spreng.) Nees, Fl. bras. 2 parte 1: 81-82. 1842 syn. sec. Diego & González 2008
- =Scirpus paradoxus (Spreng.) Boeckeler in Linnaea 36: 739. 1870 syn. sec. Diego & González 2008
- =Rhynchospora perrigida Boeckeler in Allg. Bot. Z. Syst. 2: 93. 1896 syn. sec. Diego & González 2008
- =Stenophyllus paradoxus (Spreng.) Standl. in Contr. U.S. Natl. Herb. 18: 88. 1916 syn. sec. Diego & González 2008
- =Bulbostylis spadicea (Kunth) Kük. in Repert. Spec. Nov. Regni Veg. 23: 197. 1926 syn. sec. Diego & González 2008