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