nl, noord-drenthe, quercus robur, prunus serotina, sorbus aucuparia, pinus sylvestris, avenella flexuosa, agrostis capillaris, betula pendula, deschampsia flexuosa, frangula alnus, quercus rubra, ceratocapnos claviculata, holcus lanatus, molinia caerulea, dryopteris carthusiana, dryopteris dilatata, holcus mollis, galeopsis tetrahit, lonicera periclymenum, rumex angiocarpus, fagus sylvatica, rumex acetosella, pseudotsuga menziesii, amelanchier lamarckii, juncus effusus, calluna vulgaris, betula pubescens, carex pilulifera, vaccinium myrtillus, ranunculus repens, urtica dioica, ilex aquifolium, galium saxatile, rubus idaeus, poa trivialis, stellaria media, cerastium holosteoides, pteridium aquilinum, cirsium arvense, agrostis stolonifera, rumex acetosa, plantago major, achillea millefolium, elymus repens, trifolium repens, dactylis glomerata, senecio sylvaticus, rubus gratus, larix kaempferi, lolium perenne, cytisus scoparius