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