centaurea cyanus, elymus repens, papaver rhoeas, fallopia convolvulus, thlaspi arvense, aethusa cynapium, aphanes arvensis, buglossoides arvensis, camelina sativa, capsella bursa-pastoris, chenopodium album, cirsium arvense, convolvulus arvensis, daucus carota, descurainia sophia, euphorbia helioscopia, galeopsis tetrahit, galium aparine, myosotis arvensis, potentilla reptans, rumex obtusifolius, stachys palustris, tripleurospermum inodorum, viola arvensis