text: chenopodium album, galium spurium, chenopodiastrum hybridum, cirsium arvense, equisetum arvense, fallopia convolvulus, polygonum aviculare, euphorbia helioscopia, galeopsis tetrahit, galium aparine, lapsana communis, lycopsis arvensis, neslia paniculata, setaria viridis, thlaspi arvense, viola arvensis