brassica napus, stellaria media, galium spurium, matricaria chamomilla, scleranthus annuus, tripleurospermum inodorum, capsella bursa-pastoris, centaurea cyanus, convolvulus arvensis, delphinium consolida, papaver rhoeas, persicaria lapathifolia, silene latifolia, thlaspi arvense, veronica persica, viola arvensis