hordeum vulgare, fallopia convolvulus, persicaria lapathifolia, polygonum aviculare, thlaspi arvense, argentina anserina, artemisia vulgaris, chenopodium album, cirsium arvense, galium aparine, lysimachia arvensis, agrostis stolonifera, apera spica-venti, arabidopsis thaliana, centaurea cyanus, convolvulus arvensis, euphorbia helioscopia, fumaria officinalis, hypericum perforatum, lapsana communis, myosotis arvensis, oxalis stricta, scleranthus annuus, sonchus arvensis, tripleurospermum inodorum, vicia tetrasperma, viola arvensis