Stipa barbata Michx. species heterotypic synonym

Stipa barbata Raf. ex B.D.Jacks., 1894 species heterotypic synonym

Piptochaetium leiocarpum f. subpapillosum Hack. form synonym

Piptochaetium hackelii (Arechav.) Herter species synonym

Muhlenbergia florissantii Knowlt. species synonym

Urachne grandiflora Steud. & Hochst. species heterotypic synonym

Podopogon avenaceus Raf. ex B.D.Jacks. species synonym

Stipa pringlei Scribn., 1892 species proparte synonym

Piptochaetium leiopodum (Speg.) Henrard species accepted

Piptatherum panicoides Gilbert species synonym

Oryzopsis leiocarpa var. major Speg. variety synonym

Oryzopsis erecta Beal species synonym

Caryochloa montevidensis var. brasiliensis (Trin. & Rupr.) Ekman variety synonym

Piptatherum mexicanum (Spreng.) Schult. & Schult.f. species synonym

Piptochaetium ovatum f. atratum Hack. form synonym

Piptatherum stipoides Gilbert species synonym

Stipa chaetophora (Griseb.) Columbus & J.P.Sm. species synonym

Caryochloa montevidensis var. montevidensis variety synonym

Stipa avenacea var. avenacea variety synonym

Piptochaetium leiocarpum f. leiocarpum form synonym

Urachne panicoides var. panicoides variety synonym

Piptochaetium panicoides f. panicoides form synonym

Piptochaetium virescens var. virescens variety synonym

Stipa caerulea J.Presl species synonym

Piptochaetium fimbriatum var. fimbriatum variety synonym

Stipa purpurata (Phil.) Columbus & J.P.Sm. species synonym

Piptochaetium uruguayense var. microcarpum Parodi variety synonym

Piptochaetium uruguense var. uruguense variety synonym

Piptochaetium uruguayense Griseb. species synonym

Piptochaetium brevicalyx subsp. brevicalyx subspecies synonym

Stipa brevicalyx subsp. brevicalyx subspecies synonym

Oryzopsis montevidensis var. brasiliensis (Trin. & Rupr.) Speg. variety synonym

Piptochaetium panicoides f. subpapillosum (Hack.) Parodi form synonym

Oryzopsis lejocarpa var. lejocarpa variety synonym

Piptochaetium tovarii subsp. tovarii subspecies synonym

Piptochaetium bicolor var. bicolor variety synonym

Oryzopsis napostaensis var. macrophylla Speg. variety synonym

Oryzopsis napostaensis var. brachyphylla Speg. variety synonym

Piptochaetium napostaense (Speg.) Hack. species synonym

Stipa avenacea Willd. ex Steud. species heterotypic synonym

Piptochaetium leiocarpum (Speg.) Hack. species synonym

Stipa pringlei Scribn. ex Beal species synonym

Piptochaetium ovatum (Trin.) É.Desv. species synonym

Piptochaetium ovatum var. ovatum variety synonym

Oryzopsis napostaensis var. napostaensis variety synonym

Oryzopsis montevidensis (Spreng.) Speg. species synonym

Oryzopsis uruguensis (Griseb.) Speg. species synonym

Caryochloa montevidensis Spreng. species synonym

Caryochloa setifolia (J.Presl) Kuntze species synonym

Caryochloa stipodes (Trin. & Rupr.) Kuntze species synonym

Caryochloa stipoides (Trin. & Rupr.) Kuntze species synonym

Podopogon barbatus (Pers.) Raf. species synonym

Podopogon avenaceus (L.) Raf. species synonym

Oryzopsis verruculosa Speg. species synonym

Oryzopsis verrucosa (Phil.) Speg. species synonym

Oryzopsis uruguayensis (Griseb.) Speg. species synonym

Oryzopsis tuberculata (É.Desv.) Speg. species synonym

Oryzopsis stipoides (Trin. & Rupr.) Speg. species synonym

Oryzopsis setifolia (J.Presl) Henrard species synonym

Oryzopsis montevidensis (Spreng.) Hauman & Van der Veken species synonym

Oryzopsis montevidensis f. trachycarpa Speg. form synonym

Oryzopsis montevidensis f. brasiliensis Speg. form synonym

Oryzopsis leiopoda Speg. species synonym

Oryzopsis leiocarpa Speg. species synonym

Oryzopsis lasiantha (Griseb.) Speg. species synonym

Oryzopsis fimbriata (Kunth) Hemsl. species synonym

Oryzopsis bicolor var. minor Speg. variety synonym

Oryzopsis bicolor (Vahl) Speg. species synonym

Milium mexicanum Spreng. species synonym

Stipa virginica Pers. species synonym

Stipa virescens Kunth species synonym

Stipa verruculosa Mez species synonym

Stipa tandilensis Kuntze species synonym

Stipa setifolia (J.Presl) Kunth species synonym

Piptochaetium virescens var. arsenii (Hack.) Beetle variety synonym

Piptochaetium virescens (Kunth) Parodi species accepted

Piptochaetium verruculosum (Mez) Henrard species synonym

Piptochaetium verrucosum Phil. species synonym

Piptochaetium uruguense var. microcarpum Parodi variety synonym

Piptochaetium uruguense Griseb. species accepted

Piptochaetium tuberculatum É.Desv. species synonym

Piptochaetium tovarii subsp. pilosum Sánchez Vega subspecies synonym

Piptochaetium tovarii Sánchez Vega species accepted

Piptochaetium subnudum Phil. species synonym

Piptochaetium stipoides var. verruculosum (Mez) Parodi variety synonym

Piptochaetium stipoides var. parviflorum Parodi variety synonym

Piptochaetium stipoides var. echinulatum Parodi variety synonym

Piptochaetium stipoides var. chaetophorum (Griseb.) Parodi variety synonym

Piptochaetium setifolium J.Presl species synonym

Piptochaetium seleri (Pilg.) Henrard species accepted

Piptochaetium sagasteguii Sánchez Vega species accepted

Piptochaetium ruprechtianum É.Desv. species accepted

Piptochaetium purpuratum Phil. species synonym

Piptochaetium pilosum (Sánchez Vega) Ciald. & Giussani species synonym

Piptochaetium panicoides var. subpapillosum (Hack.) Petetin variety synonym

Piptochaetium panicoides (Lam.) É.Desv. species accepted

Piptochaetium palustre Muj.-Sall. & Longhi-Wagner species accepted

Piptochaetium pallidum Phil. ex Griseb. species synonym

Piptochaetium ovatum var. purpurascens Hack. variety synonym

Piptochaetium ovatum var. chaetophorum (Griseb.) Hack. variety synonym

Stipa ruprechtiana (É.Desv.) Herter species synonym

Piptochaetium napostaense (Speg.) Hack. ex Stuck. species accepted

Piptochaetium montevidense (Spreng.) Parodi species accepted

Piptochaetium moelleri Phil. species synonym

Piptochaetium medium (Speg.) Torres species accepted

Piptochaetium macrocarpum Phil. species synonym

Piptochaetium leiocarpum f. subpapillosum Hack. ex Stuck., 1906 form synonym

Piptochaetium leiocarpum (Speg.) Hack. ex Stuck. species synonym

Piptochaetium leianthum (Hitchc.) Beetle species synonym

Piptochaetium lasianthum Griseb. species accepted

Piptochaetium juninense Tovar & Gutte species synonym

Piptochaetium jubatum Henrard species accepted

Piptochaetium indutum Parodi species accepted

Piptochaetium humile Phil. species synonym

Piptochaetium hirtum Phil. species accepted

Piptochaetium hackelii (Arechav.) Parodi species accepted

Piptochaetium grisebachii (Speg.) Herter species synonym

Piptochaetium granulatum Phil. species synonym

Piptochaetium featherstonei (Hitchc.) Tovar species accepted

Piptochaetium erianthum Balansa species synonym

Piptochaetium depressum (Steud.) C.Peña species synonym

Piptochaetium cuspidatum Phil. species synonym

Piptochaetium cucullatum Roseng. & Izag. species accepted

Piptochaetium confusum Parodi species accepted

Piptochaetium chaetophorum Griseb. species synonym

Piptochaetium chaetaphorum Griseb., 1879 species accepted

Piptochaetium calvescens Parodi species accepted

Piptochaetium cabrerae Parodi species accepted

Piptochaetium burkartianum Parodi species accepted

Piptochaetium brevifolium Phil. species synonym

Piptochaetium brevicalyx subsp. flexuosum Barkworth subspecies synonym

Piptochaetium brevicalyx (E.Fourn.) Ricker ex Hitchc. species accepted

Piptochaetium brachyspermum (Speg.) Parodi species accepted

Piptochaetium bicolor (Vahl) É.Desv. species accepted

Piptochaetium bicolor var. minus (Speg.) Parodi variety synonym

Piptochaetium bicolor var. minor (Spreng.) Parodi variety synonym

Oryzopsis setacea A.Rich. species synonym

Oryzopsis seleri Pilg. species synonym

Piptochaetium avenacellum Barkworth species synonym

Oryzopsis ruprechtiana (É.Desv.) Speg. species synonym

Piptochaetium avenacellanum Barkworth, 1988 species accepted

Piptochaetium angustifolium (Hitchc.) Valencia & Costas species accepted

Piptochaetium angolense Phil. species accepted

Piptochaetium alpinum L.B.Sm. species accepted

Oryzopsis pringlei Beal species proparte synonym

Oryzopsis panicoides (Lam.) Speg. species synonym

Oryzopsis ovata (Trin.) Speg. species synonym

Oryzopsis napostaensis Speg. species synonym

Oryzopsis napostaensis f. macrophylla Speg. form synonym

Oryzopsis napostaensis var. brachysperma Speg. variety synonym

Oryzopsis napostaensis f. brachyphylla Speg. form synonym

Oryzopsis hackelii (Arechav.) Speg. species synonym

Oryzopsis grisebachii Speg. species synonym

Oryzopsis fournieriana Hemsl. species synonym

Oryzopsis bicolor var. media Speg. variety synonym

Oryzopsis bicolor var. major Speg. variety synonym

Piptatherum fuscum Lindl. ex Steud. species synonym

Piptatherum elegans P.Beauv. species synonym

Stipa panicoides Lam. species synonym

Stipa pallida (Phil. ex Griseb.) Kuntze species synonym

Stipa ovata Trin. species synonym

Stipa megalantha Steud. species synonym

Stipa lineolata Mez species synonym

Stipa linearis Swallen species synonym

Stipa leiantha Hitchc. species synonym

Stipa hypogona Hack. species synonym

Stipa hackelii Arechav. species synonym

Stipa featherstonei Hitchc. species synonym

Stipa diffusa Willd. ex Steud. species heterotypic synonym

Stipa coerulea J.Presl species synonym

Stipa capillifolia Hack. species synonym

Stipa brevicalyx E.Fourn. species synonym

Stipa bicolor Vahl species synonym

Stipa avenacea var. bicolor Eaton & Wright variety synonym

Stipa arsenii Hack. species synonym

Stipa angustifolia Hitchc. species synonym

Milium elegans Steud. species synonym

Avena stipoides Willd. ex Steud. species heterotypic synonym

Urachne stipoides Trin. & Rupr. species synonym

Urachne simplex var. peruviana Trin. & Rupr. variety synonym

Urachne simplex Trin. & Rupr. species synonym

Urachne setacea (A.Rich.) Walp. species synonym

Urachne panicoides Trin. species synonym

Urachne panicoides var. brasiliensis Trin. & Rupr. variety synonym

Urachne megalantha Steud. species synonym

Urachne fusca Steud. species synonym

Urachne depressa Steud. species synonym

Stipa hypogona Hack. ex Stuck. species synonym

Piptochaetium setosum Arechav. species synonym

Urachne setosa Trin. species synonym

Piptochaetium avenaceum (L.) Parodi species accepted

Piptochaetium fimbriatum (Kunth) Hitchc. species accepted

Stipa fimbriata Kunth species synonym

Piptochaetium fimbriatum var. confine I.M.Johnst. variety synonym

Piptochaetium pringlei (Beal) Parodi species accepted

Stipa pringlei (Beal) Scribn. ex Vasey species synonym

Piptochaetium stipoides var. purpurascens (Hack.) Parodi variety synonym

Piptochaetium avenacioides (Nash) Valencia & Costas species accepted

Stipa avenacioides Nash species synonym

Stipa avenaceoides Nash species synonym

Piptatherum stipoides Gibert species synonym

Stipa bicolor Trin. & Rupr. species synonym

Piptochaetium verruculosum (Mez) Herter species synonym

Caryochloa panicoides (Lam.) Kuntze species synonym

Caryochloa panicodes (Lam.) Kuntze species synonym

Piptochaetium ovatum f. ovatum form synonym

Stipa capillifolia Hack. ex Stuck. species synonym

Podopogon barbatus Raf. ex B.D.Jacks. species synonym

Piptochaetium brevicalyx (E.Fourn.) Ricker species synonym

Piptochaetium linearis (Swallen) Valdés-Reyna et al. species synonym

Urachne panicoides Trin. ex Nees species synonym

Piptochaetium stipoides (Trin. & Rupr.) Hack. & Arechav. species accepted

Piptatherum panicoides Gibert species synonym

Stipa avenacea L. species heterotypic synonym

Stipa florissantii (Knowlt.) MacGinitie species synonym

Urachne panicoides var. vulgaris Döll variety synonym

Stipa panicoides Nees species synonym

Piptochaetium montevidense (Spreng.) Herter species synonym

Stipa intermedia Trin. & Rupr. species heterotypic synonym

Stipa heterophylla Willd. ex Nees species heterotypic synonym

Piptochaetium florissantii (Knowlt.) Beetle species accepted

Stipa diffusa Willd. species homotypic synonym

Stipa avenacea Willd. species homotypic synonym

Avena stipoides Willd. species homotypic synonym

Stipa heterophylla Willd. species homotypic synonym

Stipa barbata Raf. species homotypic synonym

Piptatherum fuscum Lindl. species homotypic synonym

Piptochaetium pallidum Phil. species homotypic synonym

Piptochaetium fuscum (Steud.) Barkworth, Ciald. & Gandhi species accepted