nl, twente, sorbus aucuparia, quercus robur, lonicera periclymenum, frangula alnus, fagus sylvatica, prunus serotina, betula pendula, ilex aquifolium, avenella flexuosa, vaccinium myrtillus, deschampsia flexuosa, quercus rubra, dryopteris dilatata, pinus sylvestris, betula pubescens, amelanchier lamarckii, maianthemum bifolium, molinia caerulea, hedera helix, dryopteris carthusiana, pteridium aquilinum, ceratocapnos claviculata, holcus mollis, corylus avellana, polygonatum multiflorum, carex pilulifera, rubus idaeus, agrostis capillaris, populus tremula, pseudotsuga menziesii, sambucus nigra, calluna vulgaris, galeopsis tetrahit, melampyrum pratense, oxalis acetosella, rabelera holostea, picea abies, acer pseudoplatanus, prunus avium, luzula pilosa, anemone nemorosa, convallaria majalis, moehringia trinervia, holcus lanatus, galium saxatile, castanea sativa, larix kaempferi, rubus gratus, quercus petraea, poa nemoralis