World Checklist of Selected Plant Families (WCSP)

Ajuga × adulterina Wallr., Erst. Beitr. Fl. Hercyn.: 221 (1840).

Heterotypic Synonyms:

• Ajuga × perbracteata Borbás, Term. Füz. 12: 111 (1889).
• Ajuga vulgaris nothosubsp. knafii (Wolfner) Rouy in G.Rouy & J.Foucaud, Fl. France 11: 231 (1909).
• Ajuga × knafii (Rouy) Prain, Index Kew., Suppl. 4: 7 (1913).