de, duisburg, kreisfreie stadt, achillea millefolium, dactylis glomerata, plantago lanceolata, holcus lanatus, arrhenatherum elatius, poa pratensis, trifolium repens, ranunculus repens, rumex acetosa, lolium perenne, ranunculus acris, festuca rubra, poa trivialis, heracleum sphondylium, cerastium holosteoides, trifolium pratense, cirsium arvense, trisetum flavescens, elymus repens, alopecurus pratensis, bellis perennis, phleum pratense, lolium pratense, agrostis capillaris, bromus hordeaceus, anthriscus sylvestris, glechoma hederacea, scorzoneroides autumnalis, agrostis stolonifera, rumex crispus, trifolium dubium, rumex obtusifolius, plantago major, daucus carota, crepis biennis, centaurea jacea, anthoxanthum odoratum, ranunculus bulbosus, vicia cracca, veronica chamaedrys, lathyrus pratensis, urtica dioica, potentilla reptans, cynosurus cristatus, medicago lupulina, cardamine pratensis, stellaria media, galium mollugo, vicia sepium, jacobaea vulgaris