de, duisburg, kreisfreie stadt, elymus repens, cirsium arvense, agrostis stolonifera, poa trivialis, lolium perenne, ranunculus repens, plantago lanceolata, trifolium repens, potentilla reptans, rumex crispus, plantago major, dactylis glomerata, achillea millefolium, urtica dioica, phalaris arundinacea, arrhenatherum elatius, argentina anserina, poa annua, alopecurus pratensis, poa pratensis, persicaria amphibia, glechoma hederacea, trifolium pratense, trifolium dubium, cerastium holosteoides, convolvulus arvensis, rorippa sylvestris, tanacetum vulgare, rumex obtusifolius, alopecurus geniculatus, capsella bursa-pastoris, bromus hordeaceus, eryngium campestre, plantago uliginosa, festuca rubra, scorzoneroides autumnalis, tripleurospermum maritimum, polygonum aviculare, holcus lanatus, ranunculus acris, medicago lupulina, bellis perennis, vicia cracca, artemisia vulgaris, equisetum arvense, carex hirta, atriplex prostrata, stellaria media, phragmites australis, rumex acetosa