be, arr. antwerpen, quercus robur, claytonia perfoliata, sorbus aucuparia, prunus serotina, betula pendula, calluna vulgaris, molinia caerulea, frangula alnus, pinus sylvestris, phytolacca acinosa, quercus rubra, silene coronaria, erica tetralix, ilex aquifolium, lonicera periclymenum, agrostis capillaris, tanacetum parthenium, rumex acetosella, avenella flexuosa, castanea sativa, gnaphalium uliginosum, galinsoga quadriradiata, fagopyrum esculentum, pilosella aurantiaca, nicandra physalodes, claytonia sibirica, deschampsia flexuosa, betula pubescens, amelanchier lamarckii, holcus lanatus, galeopsis tetrahit, oxalis corniculata, rumex angiocarpus, lepidium didymum, fagus sylvatica, juncus effusus, potentilla indica, erigeron canadensis, echinochloa crus-galli, ceratocapnos claviculata, hedera helix, phacelia tanacetifolia, agrostemma githago, centaurea cyanus, plantago major, matricaria discoidea, epilobium tetragonum, ranunculus repens, holcus mollis, rhododendron ponticum