be, arr. nivelles, vicia hirsuta, veronica arvensis, vicia sativa, cirsium arvense, poa annua, capsella bursa-pastoris, chenopodium album, holcus lanatus, plantago lanceolata, stellaria media, polygonum aviculare, ranunculus repens, achillea millefolium, rumex angiocarpus, lolium perenne, trifolium repens, rumex acetosella, agrostis capillaris, bromus hordeaceus, aphanes arvensis, viola arvensis, matricaria chamomilla, lysimachia arvensis, crepis capillaris, senecio vulgaris, veronica persica, erigeron canadensis, sonchus asper, poa trivialis, plantago major, cerastium holosteoides, daucus carota, rumex crispus, dactylis glomerata, fallopia convolvulus, raphanus raphanistrum, arabidopsis thaliana, trifolium dubium, apera spica-venti, centaurea cyanus, ornithopus perpusillus, elymus repens, arenaria serpyllifolia, persicaria maculosa, spergula arvensis, hypericum perforatum, scleranthus annuus, myosotis arvensis, geranium molle, cerastium glomeratum