Mülheimer Brombeere - Rubus keilianus (Rosaceae) Image 2009 in Herne (G. H. Loos & al., © A. Jagel) Image 2009 in Herne (G. H. Loos & al., © A. Jagel) Image 2009 in Herne (G. H. Loos & al., © A. Jagel)