bassia scoparia, chenopodium album, amaranthus blitoides, amaranthus hybridus, amaranthus muricatus, amaranthus retroflexus, bidens subalternans, chenopodium opulifolium, erigeron bonariensis, lactuca serriola, oloptum thomasii, beta vulgaris, centaurea aspera, malva neglecta, medicago sativa, polygonum aviculare, portulaca oleracea, salvia verbenaca, solanum tuberosum, sonchus tenerrimus, symphyotrichum squamatum, tribulus terrestris