Keywords: 20130703Pappel Saarbruecken2.jpg Stumpf einer Hybridpappel Populus x canadensis an der Saar in Saarbrücken own AnRo0002 2013-07-03 Cc-zero Populus at Saar in Saarbrücken Canadensis 07 Populus in Saarland in July Populus x canadensis Populus × canadensis in Saarland 07 Populus x canadensis in July Populus × canadensis seedlings |