text: amaranthus blitoides, triticum aestivum, erucastrum nasturtiifolium, heliotropium europaeum, portulaca oleracea, sonchus oleraceus, amaranthus retroflexus, chenopodium album, chrozophora tinctoria, erigeron canadensis, herniaria cinerea, polygonum aviculare, setaria viridis, sorghum halepense