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