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