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