nl, noord-drenthe, quercus robur, sorbus aucuparia, frangula alnus, avenella flexuosa, prunus serotina, betula pendula, agrostis capillaris, deschampsia flexuosa, lonicera periclymenum, ceratocapnos claviculata, pinus sylvestris, dryopteris carthusiana, holcus mollis, dryopteris dilatata, betula pubescens, molinia caerulea, holcus lanatus, galeopsis tetrahit, juncus effusus, fagus sylvatica, urtica dioica, quercus rubra, rubus idaeus, rumex angiocarpus, ranunculus repens, rumex acetosella, poa trivialis, vaccinium myrtillus, alnus glutinosa, calluna vulgaris, sambucus nigra, carex pilulifera, amelanchier lamarckii, ilex aquifolium, stellaria media, agrostis stolonifera, moehringia trinervia, lysimachia vulgaris, galium aparine, pseudotsuga menziesii, dactylis glomerata, glechoma hederacea, elymus repens, pteridium aquilinum, cerastium holosteoides, populus tremula, rumex acetosa, galium saxatile, hedera helix, anthoxanthum odoratum