galinsoga parviflora, stellaria media, lamium purpureum, amaranthus blitum, brassica napus, capsella bursa-pastoris, digitaria sanguinalis, echinochloa crus-galli, euphorbia helioscopia, lipandra polysperma, setaria pumila, sonchus asper, amaranthus powellii, amaranthus retroflexus, calystegia sepium, chenopodium album, cirsium arvense, persicaria lapathifolia, persicaria maculosa, plantago major, rumex obtusifolius, veronica polita