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