digitaria sanguinalis, echinochloa crus-galli, fallopia convolvulus, setaria viridis, blitum bonus-henricus, descurainia sophia, equisetum arvense, papaver rhoeas, amaranthus retroflexus, apera spica-venti, capsella bursa-pastoris, convolvulus arvensis, elymus repens, erodium cicutarium, portulaca oleracea, viola arvensis