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