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