Keywords: 20140207Populus tremula3.jpg Zitterpappel Populus tremula im Hockenheimer Rheinbogen own AnRo0002 2014-02-07 Cc-zero Populus tremula in Hockenheimer Rheinbogen 02 Populus in Hockenheimer Rheinbogen in February Tremula Populus tremula in February Populus tremula bark |