text: triticum aestivum, apera spica-venti, scleranthus annuus, aphanes arvensis, centaurea cyanus, anthemis arvensis, buglossoides arvensis, capsella bursa-pastoris, convolvulus arvensis, fallopia convolvulus, galium aparine, juncus bufonius, myosotis arvensis, myosotis stricta, poa annua, poa trivialis, polygonum aviculare, raphanus raphanistrum, roemeria argemone, rumex acetosella, rumex crispus, secale cereale, spergula arvensis, stellaria media, thlaspi arvense, tripleurospermum inodorum, veronica hederifolia, veronica triphyllos, vicia hirsuta, vicia sativa, vicia villosa, viola arvensis