de, duisburg, kreisfreie stadt, ranunculus repens, poa trivialis, lolium perenne, trifolium repens, ranunculus acris, alopecurus pratensis, lolium pratense, holcus lanatus, rumex acetosa, cardamine pratensis, poa pratensis, agrostis stolonifera, phleum pratense, festuca rubra, bellis perennis, cerastium holosteoides, dactylis glomerata, elymus repens, plantago lanceolata, plantago major, achillea millefolium, cirsium arvense, scorzoneroides autumnalis, trifolium pratense, alopecurus geniculatus, cynosurus cristatus, rumex crispus, bromus hordeaceus, rumex obtusifolius, poa annua, anthoxanthum odoratum, agrostis capillaris, stellaria media, trisetum flavescens, carex hirta, trifolium dubium, heracleum sphondylium, arrhenatherum elatius, silene flos-cuculi, glechoma hederacea, deschampsia cespitosa, persicaria amphibia, lathyrus pratensis, lysimachia nummularia, glyceria fluitans, centaurea jacea, argentina anserina, vicia cracca, capsella bursa-pastoris, urtica dioica