de, euskirchen, calluna vulgaris, avenella flexuosa, deschampsia flexuosa, vaccinium myrtillus, pinus sylvestris, frangula alnus, quercus robur, potentilla erecta, sorbus aucuparia, molinia caerulea, fagus sylvatica, cytisus scoparius, betula pendula, pteridium aquilinum, galium saxatile, teucrium scorodonia, picea abies, quercus petraea, carex pilulifera, agrostis capillaris, melampyrum pratense, betula pubescens, festuca filiformis, genista pilosa, holcus mollis, danthonia decumbens, corylus avellana, populus tremula, rubus idaeus, digitalis purpurea, campanula rotundifolia, anthoxanthum odoratum, succisa pratensis, nardus stricta, abies alba, solidago virgaurea, festuca rubra, ilex aquifolium, hypericum pulchrum, lonicera periclymenum, erica tetralix, festuca ovina, juniperus communis, vaccinium vitis-idaea, genista anglica, luzula luzuloides, veronica officinalis, holcus lanatus, salix aurita, carex panicea