amaranthus viridis, eleusine indica, dysphania ambrosioides, mirabilis jalapa, polygonum aviculare, digitaria ciliaris, erigeron bonariensis, hordeum murinum, symphyotrichum squamatum, amaranthus albus, chenopodium album, dittrichia graveolens, heliotropium hirsutissimum, lactuca serriola, portulaca oleracea