Knäuel-Ampfer - Rumex conglomeratus (Polygonaceae ) Image 2006 in Bochum (© A. Jagel) Image 2006 in Bochum (© A. Jagel) Image 2012 in Duisburg am Rhein (C. Buch & A. Jagel, © A. Jagel) Image 2012 in Duisburg am Rhein (C. Buch & A. Jagel, © A. Jagel)
