nl, noord-drenthe, quercus robur, sorbus aucuparia, prunus serotina, avenella flexuosa, deschampsia flexuosa, pinus sylvestris, ceratocapnos claviculata, betula pendula, frangula alnus, fagus sylvatica, quercus rubra, dryopteris carthusiana, amelanchier lamarckii, lonicera periclymenum, agrostis capillaris, dryopteris dilatata, vaccinium myrtillus, pseudotsuga menziesii, ilex aquifolium, betula pubescens, molinia caerulea, carex pilulifera, calluna vulgaris, rumex angiocarpus, galium saxatile, rumex acetosella, holcus mollis, rubus idaeus, galeopsis tetrahit, pteridium aquilinum, holcus lanatus, picea abies, maianthemum bifolium, larix kaempferi, rubus gratus, carex arenaria, sambucus nigra, hedera helix, melampyrum pratense, stellaria media, moehringia trinervia, acer pseudoplatanus, populus tremula, oxalis acetosella, rubus plicatus, agrostis vinealis, impatiens parviflora, polygonatum multiflorum, urtica dioica, senecio sylvaticus