brassica napus, stellaria media, anthriscus caucalis, apera spica-venti, capsella bursa-pastoris, tripleurospermum inodorum, triticum aestivum, viola arvensis, bromus sterilis, centaurea cyanus, elymus repens, galium aparine, geranium pusillum, lamium purpureum, papaver rhoeas, thlaspi arvense