Keywords: Kätzchen Grau-Erle.JPG de Blühende Grau-Erle im Stadtpark Zwiesel own Konrad Lackerbeck 2014-02-20 Alnus incana Alnus in Germany Alnus in the Northern Hemisphere in February Catkins Alnus Betulaceae in Bavaria Flora of Zwiesel Stadtpark Zwiesel Cc-zero |