nl, twente, quercus robur, sorbus aucuparia, frangula alnus, prunus serotina, betula pendula, quercus rubra, lonicera periclymenum, avenella flexuosa, deschampsia flexuosa, pinus sylvestris, dryopteris dilatata, dryopteris carthusiana, fagus sylvatica, betula pubescens, amelanchier lamarckii, molinia caerulea, vaccinium myrtillus, ceratocapnos claviculata, ilex aquifolium, agrostis capillaris, corylus avellana, holcus mollis, calluna vulgaris, hedera helix, carex pilulifera, sambucus nigra, rubus idaeus, pseudotsuga menziesii, galeopsis tetrahit, pteridium aquilinum, polygonatum multiflorum, populus tremula, maianthemum bifolium, rubus gratus, acer pseudoplatanus, alnus glutinosa, castanea sativa, holcus lanatus, prunus padus, moehringia trinervia, juncus effusus, prunus avium, rumex angiocarpus, larix kaempferi, teucrium scorodonia, picea abies, melampyrum pratense, urtica dioica, rumex acetosella, impatiens parviflora