text: galeopsis tetrahit, convolvulus arvensis, amaranthus powellii, echinochloa crus-galli, galinsoga quadriradiata, setaria viridis, stellaria media, veronica persica, chenopodium album, coronilla varia, erigeron canadensis, euphorbia helioscopia, geranium pusillum, mentha arvensis, persicaria lapathifolia, polygonum aviculare, sinapis arvensis, symphytum officinale