hordeum vulgare, galeopsis bifida, chenopodium album, apera spica-venti, cirsium arvense, elymus repens, galium aparine, papaver rhoeas, persicaria lapathifolia, argentina anserina, artemisia vulgaris, euphorbia helioscopia, euphorbia peplus, fallopia convolvulus, galinsoga quadriradiata, lupinus luteus, myosotis arvensis, oxalis stricta, polygonum aviculare, sinapis arvensis, vicia tetrasperma