myosotis arvensis, elymus repens, apera spica-venti, avena fatua, fallopia convolvulus, tripleurospermum inodorum, vicia hirsuta, artemisia absinthium, artemisia vulgaris, capsella bursa-pastoris, centaurea cyanus, chenopodium album, cirsium arvense, erigeron canadensis, erodium cicutarium, erysimum cheiranthoides, galinsoga quadriradiata, geranium pusillum, gnaphalium uliginosum, impatiens parviflora, lipandra polysperma, lycopsis arvensis, matricaria discoidea, persicaria lapathifolia, persicaria maculosa, polygonum aviculare, roemeria argemone, rumex acetosella, rumex crispus, secale cereale, thlaspi arvense, triticum aestivum, vicia sativa, viola arvensis