Jarava speciosa (Trin. & Rupr.) Peñail. in Gayana, Bot. 59(1): 32. 2002 sec. Dávila & al. 2018
- ≡Stipa speciosa Trin. & Rupr., Sp. Gram. Stipac.: 45. 1842 syn. sec. Dávila & al. 2006
- =Stipa speciosa Trin. & Rupr. f. speciosa, Sp. Gram. Stipac.: 45. 1842 syn. sec. Dávila & al. 2006
- =Stipa speciosa Trin. & Rupr. var. speciosa, Sp. Gram. Stipac.: 45. 1842 syn. sec. Dávila & al. 2006
- =Stipa californica Vasey ex S. Watson in Proc. Amer. Acad. Arts 24: 80. 1889 syn. sec. Dávila & al. 2006
- =Stipa speciosa var. minor Vasey in Contr. U.S. Natl. Herb. 3(1): 52. 1892 syn. sec. Dávila & al. 2006
- =Stipa speciosa f. minor Speg. in Anales Mus. Nac. Montevideo 4(2): 58, f. 10c-d. 1901 syn. sec. Dávila & al. 2006
- =Stipa tehuelches Speg. in Revista Argent. Bot. 1: 24. 1925 syn. sec. Dávila & al. 2006
- =Achnatherum speciosum (Trin. & Rupr.) Barkworth in Phytologia 74(1): 13. 1993 syn. sec. Dávila & al. 2006