de, duisburg, kreisfreie stadt, eryngium campestre, elymus repens, cirsium arvense, lolium perenne, plantago lanceolata, poa trivialis, potentilla reptans, achillea millefolium, arrhenatherum elatius, tanacetum vulgare, rorippa sylvestris, rumex crispus, agrostis stolonifera, tripleurospermum maritimum, convolvulus arvensis, dactylis glomerata, urtica dioica, rumex thyrsiflorus, trifolium repens, euphorbia esula, ranunculus repens, artemisia vulgaris, alopecurus pratensis, poa pratensis, capsella bursa-pastoris, poa annua, plantago major, medicago falcata, phalaris arundinacea, festuca rubra, galium verum, equisetum arvense, trifolium dubium, achillea ptarmica, bromus hordeaceus, rumex obtusifolius, persicaria amphibia, jacobaea vulgaris, argentina anserina, polygonum aviculare, glechoma hederacea, atriplex prostrata, medicago lupulina, trifolium pratense, bellis perennis, allium vineale, lotus corniculatus, ranunculus bulbosus, trisetum flavescens, sisymbrium officinale