buglossoides arvensis, centaurea cyanus, odontites vernus, polygonum aviculare, tripleurospermum inodorum, viola arvensis, agrostemma githago, descurainia sophia, scleranthus annuus, thlaspi arvense, trifolium arvense, vicia villosa, fallopia convolvulus, galium aparine, lycopsis arvensis, persicaria maculosa, raphanus raphanistrum