be, arr. dendermonde, veronica arvensis, stellaria media, poa annua, veronica persica, capsella bursa-pastoris, vicia hirsuta, fallopia convolvulus, chenopodium album, centaurea cyanus, polygonum aviculare, aphanes arvensis, matricaria chamomilla, viola arvensis, cirsium arvense, apera spica-venti, senecio vulgaris, lysimachia arvensis, arenaria serpyllifolia, papaver rhoeas, myosotis arvensis, equisetum arvense, vicia sativa, convolvulus arvensis, alopecurus myosuroides, plantago major, arabidopsis thaliana, elymus repens, gnaphalium uliginosum, lamium purpureum, persicaria maculosa, spergula arvensis, sonchus asper, scleranthus annuus, rumex angiocarpus, scleranthus polycarpos, veronica hederifolia, galium aparine, ranunculus repens, trifolium repens, rumex acetosella, raphanus raphanistrum, lamium amplexicaule, sinapis arvensis, sonchus oleraceus, matricaria discoidea, juncus bufonius, euphorbia helioscopia, lolium perenne, achillea millefolium, erigeron canadensis