avena sativa, galinsoga quadriradiata, cirsium arvense, mentha arvensis, capsella bursa-pastoris, chenopodium album, euphorbia helioscopia, geranium pusillum, polygonum aviculare, sonchus arvensis, trifolium repens, tripleurospermum inodorum, tussilago farfara, fallopia convolvulus, spergula arvensis, viola arvensis, poa annua