Achillea ageratifolia (Sibth. & Sm.) Benth. & Hook.f.
      
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1 11248 Achillea ageratifolia (Sibth. & Sm.) Benth. & Hook.f. [0] Compositae
W. Curtis, Bot. Mag., vol. 100 [ser. 3, vol. 30]: t. 6117 (1874) [W.H. Fitch]