Historische Abbildung von Alnus glutinosa (Schwarz-Erle - Alder). ---- Historical Drawing of Alnus glutinosa (Schwarz-Erle - Alder).
Historische Abbildung von Alnus glutinosa (Schwarz-Erle - Alder). ---- Historical Drawing of Alnus glutinosa (Schwarz-Erle - Alder).