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