Alnus incana (L.) Moench [ Alnus rugosa (Du Roi) Sprengel]
      
no HD illustration available (m4)
12 43090 Alnus incana (L.) Moench [80 140745 Betula alnus var. rugosa Du Roi] Betulaceae
Helen Sharp, Water-color Sketches Amer. Pl.: (1888-1910) [Helen Sharp]