• Stipa Linnaeus, 1753
• Stipa arida M.E. Jones accepted as Achnatherum aridum (M.E. Jones) Barkworth
• Stipa avenacea Linnaeus accepted as Piptochaetium avenaceum (L.) Parodi
• Stipa avenaceoides Nash
• Stipa avenacioides Nash accepted as Piptochaetium avenacioides (Nash) Valencia & Costas
• Stipa bloomeri Boland. accepted as Achnatherum bloomeri (Boland.) Barkworth
• Stipa brachychaeta Godr. accepted as Achnatherum brachychaetum (Godr.) Barkworth
• Stipa breviflora Griseb.
• Stipa caduca (Beal) Scribn. accepted as Achnella caduca (Beal) Barkworth
• Stipa californica Merr. & Burtt-Davy ex Hall accepted as Achnatherum occidentale (Thurb. ex S. Wats.) Barkworth
• Stipa canadensis Poir. accepted as Piptatherum canadense (Poir) Barkworth
• Stipa cernua Stebbins & R.M. Love accepted as Nassella cernua (Stebbins & R.M. Love) Barkworth
• Stipa clandestina Hack. accepted as Achnatherum clandestinum (Hack.) Barkworth
• Stipa columbiana auct. non Macoun accepted as Achnatherum nelsonii (Scribn.) Barkworth
• Stipa comata Trin. & Rupr. accepted as Hesperostipa comata (Trin. & Rupr.) Barkworth
• Stipa contracta (B.L. Johnson) W.A. Weber accepted as Achnatherum contractum (B.L. Johnson) Barkworth
• Stipa coronata Thurb. accepted as Achnatherum coronatum (Thurb.) Barkworth
• Stipa curtiseta (A.S. Hitchc.) Barkworth accepted as Hesperostipa curtiseta (A.S. Hitchc.) Barkworth
• Stipa curvifolia Swallen accepted as Achnatherum curvifolium (Swallen) Barkworth
• Stipa diegoensis Swallen accepted as Achnatherum diegoense (Swallen) Barkworth
• Stipa elmeri Piper & Brodie ex Scribn. accepted as Achnatherum occidentale (Thurb. ex S. Wats.) Barkworth
• Stipa eminens Cav. accepted as Achnatherum eminens (Cav.) Barkworth
• Stipa fimbriata Kunth accepted as Piptochaetium fimbriatum (Kunth) A.S. Hitchc.
• Stipa glareosa P. Smirn. (unaccepted)
• Stipa grandis P. Smirn.
• Stipa hendersonii (Vasey) Muhl. accepted as Achnatherum hendersonii (Vasey) Barkworth
• Stipa hymenoides Roemer & J.A. Schultes accepted as Achnatherum hymenoides (Roemer & J.A. Schultes) Barkworth
• Stipa kingii Boland. accepted as Ptilagrostis kingii (Boland.) Barkworth
• Stipa klemenzii Roshev.
• Stipa krylovii Roshev.
• Stipa latiglumis Swallen accepted as Achnatherum latiglume (Swallen) Barkworth
• Stipa lemmonii (Vasey) Scribn. accepted as Achnatherum lemmonii (Swallen) Barkworth
• Stipa lepida A.S. Hitchc. accepted as Nassella lepida (A.S. Hitchc.) Barkworth
• Stipa lettermanii Vasey accepted as Achnatherum lettermanii (Vasey) Barkworth
• Stipa lettermannii Vasey
• Stipa leucotricha Trin. & Rupr. accepted as Nassella leucotricha (Trin. & Rupr.) Pohl
• Stipa littoralis Phil. accepted as Achnatherum caudatum (Trin.) Barkworth
• Stipa lobata Swallen accepted as Achnatherum lobatum (Swallen) Barkworth
• Stipa minor (Vasey) Scribn. accepted as Achnatherum nelsonii (Scribn.) Barkworth
• Stipa neesiana Trin. & Rupr. accepted as Nassella neesiana (Trin. & Rupr.) Barkworth
• Stipa nelsonii Scribn. accepted as Achnatherum nelsonii (Scribn.) Barkworth
• Stipa neomexicana (Thurb. ex Coult.) Scribn. accepted as Hesperostipa neomexicana (Thurb. ex Coult.) Barkworth
• Stipa nevadensis B.L. Johnson accepted as Achnatherum nevadense (B.L. Johnston) Barkworth
• Stipa occidentalis Thurb. ex S. Wats. accepted as Achnatherum occidentale (Thurb. ex S. Wats.) Barkworth
• Stipa papposa Nees
• Stipa parishii Vasey accepted as Achnatherum parishii (Vasey) Barkworth
• Stipa perplexa (Hoge & Barkworth) J. Wipff & S.D. Jones accepted as Achnatherum perplexum Hoge & Barkworth
• Stipa pinetorum M.E. Jones accepted as Achnatherum pinetorum (M.E. Jones) Barkworth
• Stipa porteri Rydb. accepted as Ptilagrostis porteri (Rydb.) W.A. Weber
• Stipa pringlei (Beal) Scribn. accepted as Piptochaetium pringlei (Beal) Parodi
• Stipa pulchra A.S. Hitchc. accepted as Nassella pulchra (A.S. Hitchc.) Barkworth
• Stipa richardsonii Link accepted as Achnatherum richardsonii (Link) Barkworth
• Stipa robusta (Vasey) Scribn. accepted as Achnatherum robustum (Vasey) Barkworth
• Stipa scribneri Vasey accepted as Achnatherum scribneri (Vasey) Barkworth
• Stipa spartea Trin. accepted as Hesperostipa spartea (Trin.) Barkworth
• Stipa speciosa Trin. & Rupr. accepted as Achnatherum speciosum (Trin. & Rupr.) Barkworth
• Stipa stillmanii Boland. accepted as Achnatherum stillmanii (Bolander) Barkworth
• Stipa tenacissima Linnaeus
• Stipa tenuissima Trin. accepted as Nassella tenuissima (Trin.) Barkworth
• Stipa thurberana Piper
• Stipa thurberiana Piper accepted as Achnatherum thurberianum (Piper) Barkworth
• Stipa trichotoma Nees accepted as Nassella trichotoma Hackel ex Arech.
• Stipa vaseyi Scribn. accepted as Achnatherum robustum (Vasey) Barkworth
• Stipa viridula Trin. accepted as Nassella viridula (Trin.) Barkworth
• Stipa webberi (Thurb.) B.L. Johnson accepted as Achnatherum webberi (Thurb.) Barkworth
• Stipa williamsii Scribn. accepted as Achnatherum nelsonii (Scribn.) Barkworth
• Stipacoccus Tang, 1992
• Stipacoccus xilinhatus Tang, 1992
• Stipaebia Erdös, 1954 accepted as Allocerastichus Masi, 1924
• Stipaeoccus Tang, 1992 (uncertain)
• Stipagrostis C.G.D. Nees, 1832
• Stipagrostis plumosa (Linn.) Munro ex T. Anderss.
• Stipanicichnus Casamiquela, 1975 † (uncertain)
• Stipanicicia Reig, 1956 †
• Stiparana Caziot, 1910 (uncertain)
• Stipatocrinidae Eckert & Brett, 1987 †
• Stipatocrinus Eckert & Brett, 1987 †
• Stipator Iredale, 1924 accepted as Starkeyna Iredale, 1930 [Family: Skeneopsidae]
• Stipator Rehn, 1900 [Family: Tettigoniidae]
• Stipator americanus Caudell, 1907 accepted as Atlanticus americanus (Saussure, 1859)
• Stipator haldemanii Kirby, 1906 accepted as Atlanticus americanus (Saussure, 1859)
• Stipator minutus Kirby, 1906 accepted as Pediodectes stevensoni (Thomas, C., 1870)
• Stipator stevensoni Caudell, 1907 accepted as Pediodectes stevensoni (Thomas, C., 1870)
• Stipatosteus Plax & Newman, 2020 †
• Stipavena Vierhapper in Halacsy, 1906 accepted as Helictotrichon Besser in J.A. Schultes & J.H. Schultes, 1827
• Stipax Simon, 1898
• Stipax triangulifer Simon, 1898