digitaria sanguinalis, stellaria media, equisetum arvense, amaranthus retroflexus, arenaria serpyllifolia, capsella bursa-pastoris, chenopodium album, convolvulus arvensis, lamium purpureum, persicaria maculosa, sonchus asper, veronica persica, erigeron canadensis, setaria pumila, veronica agrestis, vicia sativa