amaranthus retroflexus, chenopodium album, artemisia vulgaris, bromus tectorum, cirsium arvense, tripleurospermum inodorum, carduus acanthoides, chenopodiastrum hybridum, crepis biennis, daucus carota, euphorbia peplus, linaria vulgaris, pastinaca sativa, sisymbrium loeselii, sonchus oleraceus, stellaria media