Bromus catharticus Vahl, Symb. Bot. 2: 22. 1791 sec. Dávila & al. 2018
- =Festuca unioloides Willd., Hort. Berol. 1: 3, t. 3. 1803 syn. sec. Dávila & al. 2006
- =Ceratochloa festucoides P. Beauv., Ess. Agrostogr.: 158. 1812 syn. sec. Dávila & al. 2006
- =Ceratochloa unioloides (Willd.) P. Beauv., Ess. Agrostogr.: 75, t. 15, f. 7. 1812 syn. sec. Dávila & al. 2006
- =Schedonorus unioloides (Kunth) Roem. & Schult., Syst. Veg. 2: 708. 1817 syn. sec. Dávila & al. 2006
- =Bromus unioloides Kunth in Ann. Sci. Nat., Bot. sér. 5: 439. 1825 syn. sec. Dávila & al. 2006
- =Bromus unioloides var. glaucescens Nees, Fl. Bras. Enum. Pl.: 470. 1829 syn. sec. Dávila & al. 2006
- =Bromus willdenowii Kunth, Révis. Gramin. 1: 134. 1829 syn. sec. Dávila & al. 2006
- =Bromus willdenowii Kunth var. willdenowii, Révis. Gramin. 1: 134. 1829 syn. sec. Dávila & al. 2006
- =Ceratochloa haenkeana J. Presl, Reliq. Haenk. 1(4-5): 285. 1830 syn. sec. Dávila & al. 2006
- =Ceratochloa secunda J. Presl, Reliq. Haenk. 1(4-5): 285. 1830 syn. sec. Dávila & al. 2006
- =Bromus strictus Brongn., Voy. Monde 2: 45. 1831 syn. sec. Dávila & al. 2006
- =Ceratochloa pendula Schrad. in Linnaea 6(Litt.-Ber.): 72. 1831 syn. sec. Dávila & al. 2006
- =Bromus brongniartii Kunth, Enum. Pl. 1: 421. 1833 syn. sec. Dávila & al. 2006
- =Bromus haenkeanus (J. Presl) Kunth, Enum. Pl. 1: 416. 1833 syn. sec. Dávila & al. 2006
- =Bromus preslii Kunth, Enum. Pl. 1: 416, 545. 1833 syn. sec. Dávila & al. 2006
- =Bromus schraderi Kunth, Enum. Pl. 1: 416. 1833 syn. sec. Dávila & al. 2006
- =Ceratochloa simplex Nees in Ann. Nat. Hist. 1: 284. 1838 syn. sec. Dávila & al. 2006
- =Bromus mucronatus Willd. ex Steud., Nomencl. Bot., ed. 2, 1: 228. 1840 syn. sec. Dávila & al. 2006
- =Ceratochloa breviaristata Hook., Fl. Bor.-Amer. 2: 253. 1840 syn. sec. Dávila & al. 2006
- =Ceratochloa haenkeana var. patens Nees, Gramineae: 36. 1841 syn. sec. Dávila & al. 2006
- =Ceratochloa haenkeana var. suspicata Nees, Gramineae: 36. 1841 syn. sec. Dávila & al. 2006
- =Bromus mathewsii Steud., Syn. Pl. Glumac. 1: 323. 1854 syn. sec. Dávila & al. 2006
- =Ceratochloa submutica Steud., Syn. Pl. Glumac. 1: 321. 1854 syn. sec. Dávila & al. 2006
- =Bromus tacna Steud. ex Lechl., Berberid. Amer. Austr.: 56. 1857 syn. sec. Dávila & al. 2006
- =Bromus unioloides var. sanjuaninus Hieron. in Bol. Acad. Nac. Ci. 4(1): 69. 1881 syn. sec. Dávila & al. 2006
- =Tragus unioloides (Willd.) B.D. Jacks., Index Kew. 2: 1099. 1895 syn. sec. Dávila & al. 2006
- =Bromus unioloides var. humilis Speg. in Revista Fac. Agron. Veterin. (Buenos Aires) 30-31: 587. 1897 syn. sec. Dávila & al. 2006
- =Bromus angustatus Pilg. in Bot. Jahrb. Syst. 25(5): 719. 1898 syn. sec. Dávila & al. 2006
- =Bromus unioloides var. haenkeanus (J. Presl) Shear in Bull. Div. Agrostol., U.S.D.A. 23: 52. 1900 syn. sec. Dávila & al. 2006
- =Bromus willdenowii var. haenkeanus (J. Presl) Shear in Bull. Torrey Bot. Club 28(4): 244. 1901 syn. sec. Dávila & al. 2006
- =Bromus unioloides var. montanus Hack. in Anales Mus. Nac. Buenos Aires 11: 144. 1904 syn. sec. Dávila & al. 2006
- =Bromus unioloides f. chasmogama Hack. in Anales Mus. Nac. Buenos Aires 13: 527. 1906 syn. sec. Dávila & al. 2006
- =Bromus unioloides f. cleistogama Hack. in Anales Mus. Nac. Buenos Aires 13: 527. 1906 syn. sec. Dávila & al. 2006
- =Bromus unioloides subf. achalensis Hack. in Anales Mus. Nac. Buenos Aires 21: 172. 1911 syn. sec. Dávila & al. 2006
- =Forasaccus breviaristatus (Hook.) Lunell in Amer. Midl. Naturalist 4: 225. 1915 syn. sec. Dávila & al. 2006
- =Bromus unioloides f. pseudoparviflorus Kloos in Ned. Kruidk. Arch. 1917: 176, 179. 1918 syn. sec. Dávila & al. 2006
- =Bromus unioloides f. pubiculmis (Domin) Kloos in Ned. Kruidk. Arch. 1917: 175. 1918 syn. sec. Dávila & al. 2006
- =Zerna unioloides (Kunth) Lindm., Sv. Fanerogamfl.: 101. 1918 syn. sec. Dávila & al. 2006
- =Ceratochloa cathartica (Vahl) Herter in Blumea 4(3): 498. 1940 syn. sec. Dávila & al. 2006
- =Serrafalcus unioloides Samp., Fl. Port. (Ed. 2) 2: 81. 1947 syn. sec. Dávila & al. 2006
- =Ceratochloa willdenowii (Kunth) W.A. Weber in Phytologia 51(6): 371. 1982 syn. sec. Dávila & al. 2006
- =Bromus bolivianus Hack. ex Renvoize, Gram. Bolivia: 247. 1998 syn. sec. Dávila & al. 2006