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