chenopodium album, chenopodium ficifolium, galinsoga parviflora, lipandra polysperma, sinapis arvensis, sisymbrium officinale, senecio vulgaris, stellaria media, tussilago farfara, chaenorhinum minus, erigeron annuus, fallopia convolvulus, persicaria lapathifolia, persicaria maculosa, thlaspi arvense, elymus repens, euphorbia helioscopia, matricaria discoidea, papaver dubium, poa annua, silene latifolia, artemisia vulgaris, medicago sativa, tanacetum vulgare