text: amaranthus powellii, chenopodium album, convolvulus arvensis, galeopsis tetrahit, galinsoga quadriradiata, galium spurium, mentha arvensis, setaria pumila, solanum nigrum, veronica agrestis, veronica persica, euphorbia helioscopia, lysimachia arvensis, persicaria lapathifolia, sonchus oleraceus, stellaria media