Stachys officinalis (L.) Trevis. [ Stachys betonica Benth.]
      
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5 970558 Stachys officinalis (L.) Trevis. [116 140597 Betonica officinalis L.] Labiatae
J.E. Smith, Engl. Bot., ed. 3, vol. 7 : t. 1067 (1867)