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