text: amaranthus retroflexus, capsella bursa-pastoris, chenopodium album, echinochloa crus-galli, fallopia convolvulus, stellaria media, erysimum cheiranthoides, galinsoga parviflora, anthemis arvensis, artemisia vulgaris, medicago lupulina, persicaria maculosa, silene latifolia, centaurea cyanus, erodium cicutarium, euphorbia helioscopia, galeopsis bifida, lipandra polysperma, poa annua, sonchus oleraceus, thlaspi arvense, tripleurospermum inodorum