de, duisburg, kreisfreie stadt, poa trivialis, lolium perenne, alopecurus pratensis, ranunculus repens, agrostis stolonifera, elymus repens, ranunculus acris, trifolium repens, rumex acetosa, dactylis glomerata, plantago lanceolata, holcus lanatus, festuca rubra, cirsium arvense, cardamine pratensis, phleum pratense, poa pratensis, scorzoneroides autumnalis, arrhenatherum elatius, trifolium pratense, bellis perennis, lolium pratense, rumex crispus, achillea millefolium, persicaria amphibia, cerastium holosteoides, lathyrus pratensis, bromus hordeaceus, alopecurus geniculatus, trisetum flavescens, heracleum sphondylium, anthoxanthum odoratum, potentilla reptans, trifolium dubium, cynosurus cristatus, glechoma hederacea, plantago major, sanguisorba officinalis, vicia cracca, hordeum secalinum, phalaris arundinacea, agrostis capillaris, poa annua, rumex obtusifolius, carex hirta, anthriscus sylvestris, urtica dioica, argentina anserina, stellaria media, silaum silaus