de, duisburg, kreisfreie stadt, elymus repens, cirsium arvense, poa trivialis, rorippa sylvestris, agrostis stolonifera, lolium perenne, eryngium campestre, poa annua, rumex crispus, potentilla reptans, urtica dioica, plantago lanceolata, plantago major, trifolium repens, capsella bursa-pastoris, ranunculus repens, dactylis glomerata, phalaris arundinacea, alopecurus pratensis, tripleurospermum maritimum, achillea millefolium, arrhenatherum elatius, rumex obtusifolius, convolvulus arvensis, poa pratensis, argentina anserina, atriplex prostrata, polygonum aviculare, tanacetum vulgare, plantago uliginosa, persicaria amphibia, alopecurus geniculatus, artemisia vulgaris, glechoma hederacea, euphorbia esula, rumex thyrsiflorus, chenopodium album, bromus hordeaceus, achillea ptarmica, stellaria media, bellis perennis, persicaria lapathifolia, equisetum arvense, rorippa amphibia, veronica catenata, festuca rubra, carex hirta, medicago lupulina, oxybasis rubra, trifolium pratense