poa annua, tripleurospermum inodorum, viola arvensis, apera spica-venti, capsella bursa-pastoris, chenopodium album, fallopia convolvulus, matricaria chamomilla, veronica hederifolia, galium aparine, gnaphalium uliginosum, myosurus minimus, rumex crispus, spergula arvensis, vicia hirsuta