amaranthus retroflexus, artemisia vulgaris, amaranthus powellii, convolvulus arvensis, descurainia sophia, echinochloa crus-galli, elymus repens, papaver rhoeas, sinapis arvensis, tripleurospermum inodorum, chenopodiastrum hybridum, euphorbia falcata, euphorbia helioscopia, fallopia convolvulus, persicaria lapathifolia, thlaspi arvense