poa annua, sisymbrium loeselii, atriplex patula, chenopodium album, tripleurospermum inodorum, achillea millefolium, artemisia vulgaris, berteroa incana, bromus tectorum, capsella bursa-pastoris, cirsium arvense, descurainia sophia, lactuca serriola, lolium perenne, matricaria discoidea, plantago major, poa pratensis, sisymbrium officinale, sonchus arvensis, stellaria media, trifolium repens