echinochloa crus-galli, persicaria maculosa, amaranthus retroflexus, chenopodium album, digitaria sanguinalis, portulaca oleracea, solanum nigrum, capsella bursa-pastoris, equisetum arvense, euphorbia helioscopia, galinsoga parviflora, persicaria lapathifolia, sonchus oleraceus, sorghum halepense, veronica persica, elymus repens, senecio vulgaris