be, arr. tongeren, molinia caerulea, oxalis corniculata, erica tetralix, calluna vulgaris, pinus sylvestris, betula pendula, pilosella aurantiaca, eriophorum angustifolium, galinsoga quadriradiata, drosera intermedia, castanea sativa, phytolacca acinosa, echinochloa crus-galli, drosera rotundifolia, quercus robur, silene coronaria, viola wittrockiana, menyanthes trifoliata, lysimachia vulgaris, rhynchospora alba, potentilla indica, geranium macrorrhizum, lepidium didymum, erigeron canadensis, quercus rubra, frangula alnus, andromeda polifolia, rhododendron ponticum, prunus serotina, claytonia perfoliata, cymbalaria muralis, gnaphalium uliginosum, betula pubescens, phragmites australis, gentiana pneumonanthe, sorbus aucuparia, juncus bulbosus, lythrum salicaria, juncus effusus, erigeron sumatrensis, narthecium ossifragum, hydrocotyle vulgaris, setaria helvola, vaccinium myrtillus, lepidium virginicum, digitaria sanguinalis, ilex aquifolium, papaver somniferum, phacelia tanacetifolia, populus tremula