artemisia annua, conium maculatum, amaranthus retroflexus, berteroa incana, brassica nigra, cannabis sativa, capsella bursa-pastoris, chenopodium album, echinochloa crus-galli, erigeron canadensis, setaria viridis, solanum nigrum, sonchus arvensis, sorghum halepense, urtica dioica, verbascum phlomoides, xanthium strumarium