be, arr. leuven, centaurea cyanus, vicia hirsuta, rumex angiocarpus, veronica arvensis, rumex acetosella, aphanes arvensis, viola arvensis, stellaria media, cirsium arvense, gnaphalium uliginosum, apera spica-venti, vicia sativa, fallopia convolvulus, matricaria chamomilla, capsella bursa-pastoris, chenopodium album, scleranthus annuus, veronica persica, polygonum aviculare, poa annua, spergula arvensis, raphanus raphanistrum, scleranthus polycarpos, elymus repens, equisetum arvense, persicaria maculosa, myosotis arvensis, ranunculus repens, achillea millefolium, agrostis capillaris, trifolium repens, juncus bufonius, lysimachia arvensis, plantago major, lolium perenne, holcus mollis, ornithopus perpusillus, senecio vulgaris, arenaria serpyllifolia, galeopsis tetrahit, erodium cicutarium, matricaria discoidea, secale cereale, sonchus asper, galium aparine, cerastium fontanum, quercus robur, cerastium holosteoides, papaver rhoeas, plantago lanceolata