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