• Neotype designation: Schlick-Steiner et al., 2006: 270.
• Emery, 1925a: 184 (q.); Kutter, 1977c: 151 (m.)
• Combination in Tetramorium: Mayr, 1855: 426.
• As unavailable (infrasubspecific) name: Emery, 1925a: 178.
• Junior synonym of Tetramorium caespitum: Curtis, 1854: 215; Mayr, 1855: 427; Nylander, 1856b: 87; Smith, 1858a: 117; Roger, 1863b: 26; Mayr, 1863a: 456; Mayr, 1865: 89; Smith, 1871c: 3; André, 1874c: 203 (in list); Forel, 1874: 100 (in list); Emery & Forel, 1879: 458; Dalla Torre, 1893: 132; Donisthorpe, 1915f: 171; Emery, 1924f: 276; Karavaiev, 1934: 156; Donisthorpe, 1927c: 190.
• Subspecies of Tetramorium caespitum: Emery, 1925a: 178.
• Status as species: Kutter, 1977c: 159; Pasteels et al., 1981: 675; Cammaerts et al., 1985: 109; Agosti & Collingwood, 1987a: 56; Agosti & Collingwood, 1987b: 277 (in key); López, 1991a: 31; Bolton, 1995b: 409; Poldi et al., 1995: 5; Espadaler, 1997g: 31; Radchenko et al., 1998: 109; Sanetra et al., 1999: 321; Czechowski et al., 2002: 65; Markó & Csősz, 2002: 114; Karaman & Karaman, 2003: 45; Bračko, 2006: 143; Petrov, 2006: 100 (in key); Schlick-Steiner et al., 2006: 270 (redescription); Seifert, 2007: 248; Werner & Wiezik, 2007: 152; Casevitz-Weulersse & Galkowski, 2009: 497; Boer, 2010: 68; Csősz et al., 2011: 57; Karaman, 2011b: 58; Czechowski et al., 2012: 178; Kiran & Karaman, 2012: 28; Borowiec, 2014: 199 (see note in bibliography); Lebas et al., 2016: 384; Radchenko, 2016: 246; Steiner et al., 2017: 19; Wagner et al., 2017: 120 (redescription); Wagner et al., 2018: 4 (in list); Salata & Borowiec, 2018c: 50; Seifert, 2018: 229; Werner et al., 2018: 7; Salata & Borowiec, 2019c: 5; Bračko, 2023: 126.
• Senior synonym of Tetramorium impurum gregori: Wagner et al., 2017: 120.
• Senior synonym of Tetramorium caespitum penninum: Sanetra et al., 1999: 321; Radchenko, 2016: 246; Wagner et al., 2017: 120.

Junior synonyms

• Tetramorium caespitum penninum Santschi, 1927
• Tetramorium impurum gregori Kratochvíl, 1944
  Obsolete combination(s): Tetramorium staerckei gregori

Obsolete combinations

• Myrmica impura

Citations

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