be, arr. leuven, oxalis corniculata, veronica persica, galinsoga quadriradiata, echinochloa crus-galli, matricaria discoidea, centaurea cyanus, chenopodium album, papaver somniferum, polygonum aviculare, gnaphalium uliginosum, plantago major, geranium macrorrhizum, veronica arvensis, capsella bursa-pastoris, pilosella aurantiaca, senecio vulgaris, setaria helvola, lepidium didymum, cerastium glomeratum, stellaria media, poa annua, vicia hirsuta, trifolium incarnatum, lapsana communis, oxalis stricta, ranunculus repens, erigeron canadensis, mercurialis annua, cymbalaria muralis, cirsium arvense, convolvulus arvensis, sonchus asper, geranium pyrenaicum, sonchus oleraceus, silene coronaria, lolium perenne, lamium purpureum, galinsoga parviflora, persicaria maculosa, matricaria chamomilla, raphanus raphanistrum, lysimachia arvensis, nicandra physalodes, trifolium repens, phytolacca acinosa, tanacetum parthenium, phacelia tanacetifolia, papaver rhoeas, euphorbia helioscopia, digitaria sanguinalis