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