de, duisburg, kreisfreie stadt, achillea millefolium, plantago lanceolata, elymus repens, arrhenatherum elatius, lolium perenne, dactylis glomerata, poa trivialis, cirsium arvense, poa pratensis, trifolium repens, convolvulus arvensis, trifolium pratense, ranunculus acris, trisetum flavescens, ranunculus repens, heracleum sphondylium, potentilla reptans, festuca rubra, alopecurus pratensis, rumex acetosa, jacobaea vulgaris, cerastium holosteoides, agrostis stolonifera, ranunculus bulbosus, medicago lupulina, bellis perennis, tanacetum vulgare, bromus hordeaceus, glechoma hederacea, urtica dioica, daucus carota, rumex crispus, phleum pratense, trifolium dubium, equisetum arvense, veronica arvensis, capsella bursa-pastoris, crepis biennis, holcus lanatus, plantago major, centaurea jacea, vicia cracca, galium verum, eryngium campestre, artemisia vulgaris, poa annua, galium mollugo, lotus corniculatus, rumex obtusifolius, lolium pratense