Status as species: Cresson, 1887: 260; Dalla Torre, 1893: 109; Emery, 1895d: 311; Pergande, 1896: 894; Forel, 1899b: 63; Wheeler, 1902a: 98 (in key); Wheeler, 1902d: 391 (in key); Wheeler, 1902g: 26; Wheeler, 1906i: 341; Wheeler, 1910a: 566; Wheeler, 1914f: 153; Forel, 1914d: 270; Emery, 1921c: 46; Essig, 1926: 861; Tulloch, 1930a: 61; Olsen, 1934: 502; Cole, 1937b: 134; Creighton, 1950a: 120; Smith, 1951c: 793; Cole, 1954b: 117; Cole, 1966b: 4 (in key); Cole, 1968: 120 (redescription); Hunt & Snelling, 1975: 21; Smith, 1979: 1356; Snelling & George, 1979: 56; Dlussky, 1981b: 48; Allred, 1982: 495; Snelling, 1982a: 98; MacKay et al., 1985: 49; Wheeler & Wheeler, 1986g: 31; Bolton, 1995b: 340; Taber, 1998: 151 (in key); Mackay & Mackay, 2002: 210; Ward, 2005: 67; Johnson & Overson, 2009: 313 (in key); Johnson et al., 2013: 225 (in key).

Status as species: {ref 123936}: 260; {ref 124002}: 109; {ref 124591}: 311; {ref 127767}: 894; {ref 125089}: 63; {ref 129967}: 98 (in key); {ref 129970}: 391 (in key); {ref 129973}: 26; {ref 130014}: 341; {ref 130044}: 566; {ref 130087}: 153; {ref 125254}: 270; {ref 124749}: 46; {ref 124843}: 861; {ref 129450}: 61; {ref 127623}: 502; {ref 123688}: 134; {ref 123910}: 120; {ref 128824}: 793; {ref 123717}: 117; {ref 123744}: 4 (in key); {ref 123675}: 120 (redescription); {ref 126032}: 21; {ref 128659}: 1356; {ref 128905}: 56; {ref 124147}: 48; {ref 122181}: 495; {ref 128897}: 98; {ref 127026}: 49; {ref 129925}: 31; {ref 122860}: 340; {ref 132420}: 151 (in key); {ref 131795}: 210; {ref 132562}: 67; {ref 131560}: 313 (in key); {ref 142353}: 225 (in key).