de, städteregion aachen, trifolium repens, ranunculus repens, poa trivialis, plantago lanceolata, lolium perenne, dactylis glomerata, cerastium holosteoides, achillea millefolium, trifolium pratense, phleum pratense, plantago major, holcus lanatus, ranunculus acris, poa pratensis, heracleum sphondylium, rumex acetosa, rumex obtusifolius, capsella bursa-pastoris, poa annua, cirsium arvense, stellaria media, bellis perennis, trisetum flavescens, veronica arvensis, elymus repens, bromus hordeaceus, lolium pratense, cynosurus cristatus, rumex crispus, vicia sepium, arrhenatherum elatius, lathyrus pratensis, vicia cracca, festuca rubra, scorzoneroides autumnalis, veronica chamaedrys, agrostis capillaris, anthoxanthum odoratum, anthriscus sylvestris, agrostis stolonifera, lolium multiflorum, crepis biennis, veronica serpyllifolia, medicago lupulina, alopecurus pratensis, myosotis arvensis, prunella vulgaris, trifolium dubium, chenopodium album, lotus corniculatus