chenopodium album, digitaria sanguinalis, mercurialis annua, solanum nigrum, amaranthus powellii, echinochloa crus-galli, oxalis latifolia, persicaria lapathifolia, poa annua, sonchus oleraceus, stellaria media, amaranthus blitum, calystegia sepium, capsella bursa-pastoris, convolvulus arvensis, euphorbia helioscopia, parietaria judaica, veronica persica