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