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