matricaria chamomilla, stellaria media, centaurea cyanus, cirsium arvense, lolium perenne, plantago major, thlaspi arvense, veronica persica, apera spica-venti, capsella bursa-pastoris, euphorbia helioscopia, lamium purpureum, papaver rhoeas, persicaria lapathifolia, polygonum aviculare, rumex obtusifolius, viola arvensis