echinochloa crus-galli, matricaria chamomilla, solanum nigrum, chenopodium album, elymus repens, fallopia convolvulus, galeopsis tetrahit, galinsoga quadriradiata, persicaria maculosa, poa annua, polygonum aviculare, stellaria media, urtica urens, viola arvensis, euphorbia helioscopia, matricaria discoidea, plantago major, rumex obtusifolius