de, duisburg, kreisfreie stadt, achillea millefolium, dactylis glomerata, lolium perenne, holcus lanatus, ranunculus repens, rumex acetosa, plantago lanceolata, poa trivialis, ranunculus acris, trifolium repens, arrhenatherum elatius, festuca rubra, heracleum sphondylium, cerastium holosteoides, elymus repens, poa pratensis, alopecurus pratensis, cirsium arvense, bromus hordeaceus, trifolium pratense, agrostis capillaris, phleum pratense, anthriscus sylvestris, rumex obtusifolius, bellis perennis, agrostis stolonifera, lolium pratense, anthoxanthum odoratum, trifolium dubium, rumex crispus, urtica dioica, scorzoneroides autumnalis, cardamine pratensis, trisetum flavescens, glechoma hederacea, plantago major, stellaria media, cynosurus cristatus, capsella bursa-pastoris, poa annua, ranunculus bulbosus, centaurea jacea, vicia cracca, tanacetum vulgare, veronica arvensis, equisetum arvense, crepis biennis, hypochaeris radicata, veronica chamaedrys, stellaria graminea