Alnus glutinosa (L.) Gaertner
      
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2 43006 Alnus glutinosa (L.) Gaertner [80 140742 Betula alnus var. glutinosa L.] Betulaceae
M. Laguna y Villanueva, P. de Avilla y Zumarán, Fl. Forest. Españ., ed. 2, vol. 1 : t. 26, fig. 2 (1884)