de, duisburg, kreisfreie stadt, achillea millefolium, plantago lanceolata, holcus lanatus, dactylis glomerata, lolium perenne, rumex acetosa, trifolium repens, agrostis capillaris, festuca rubra, poa pratensis, cerastium holosteoides, ranunculus repens, elymus repens, arrhenatherum elatius, poa trivialis, bromus hordeaceus, ranunculus acris, heracleum sphondylium, cirsium arvense, trifolium pratense, anthoxanthum odoratum, capsella bursa-pastoris, agrostis stolonifera, scorzoneroides autumnalis, hypochaeris radicata, poa annua, plantago major, bellis perennis, veronica arvensis, phleum pratense, trifolium dubium, stellaria media, ranunculus bulbosus, tanacetum vulgare, rumex acetosella, urtica dioica, rumex angiocarpus, glechoma hederacea, trisetum flavescens, anthriscus sylvestris, convolvulus arvensis, rumex obtusifolius, vicia sativa, jacobaea vulgaris, rumex crispus, lolium pratense, alopecurus pratensis, luzula campestris, daucus carota, polygonum aviculare