papaver somniferum, sinapis arvensis, thlaspi arvense, centaurea cyanus, euphorbia helioscopia, galium aparine, lamium purpureum, lipandra polysperma, polygonum aviculare, stellaria media, tripleurospermum inodorum, veronica persica, vicia tetrasperma, viola arvensis, anthemis arvensis, equisetum arvense, euphorbia platyphyllos, geranium dissectum, lysimachia arvensis, myosotis arvensis, persicaria lapathifolia, poa annua, rumex obtusifolius, sonchus asper, trifolium repens, veronica hederifolia