de, städteregion aachen, fagus sylvatica, picea abies, vaccinium myrtillus, avenella flexuosa, deschampsia flexuosa, dryopteris carthusiana, pinus sylvestris, carex pilulifera, luzula luzuloides, quercus petraea, betula pendula, sorbus aucuparia, abies alba, oxalis acetosella, quercus robur, frangula alnus, molinia caerulea, juncus effusus, rubus idaeus, pteridium aquilinum, athyrium filix-femina, calluna vulgaris, dryopteris dilatata, luzula pilosa, galium saxatile, deschampsia cespitosa, holcus mollis, betula pubescens, melampyrum pratense, agrostis capillaris, sambucus racemosa, maianthemum bifolium, alnus glutinosa, acer pseudoplatanus, lonicera periclymenum, senecio ovatus, digitalis purpurea, luzula sylvatica, carex brizoides, carpinus betulus, teucrium scorodonia, anemone nemorosa, galeopsis tetrahit, lysimachia vulgaris, ilex aquifolium, carex remota, dryopteris filix-mas, agrostis canina, carex nigra, calamagrostis villosa