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