1. Alziar G (1988–1993) Catalogue synonymique des Salvia L. du monde (Lamiaceae). I–VI. Biocasme Mesogéen 5:87–136; 6:79–115, 163–240; 7:59–109; 9:413–497; 10:33–117
2. Baker FK, Lutzoni FM (2002) The utility of the incongruence length difference test. Syst Biol 51:625–637
3. Bentham G (1832) Labiatarum genera et species. Ridgeway, London
4. Bentham G (1848) Labiatae. In: De Candolle A (ed) Prodromus systematis naturalis regni vegetabilis, vol 12, pp 262–358
5. Bentham G (1876) Labiatae. In: Bentham G, Hooker J (eds) Genera plantarum, vol 2, pp 1160–1222