stellaria media, amaranthus retroflexus, bromus tectorum, capsella bursa-pastoris, chenopodium album, cirsium arvense, conium maculatum, descurainia sophia, elymus repens, falcaria vulgaris, fumaria schleicheri, lactuca serriola, lamium amplexicaule, lepidium draba, linaria vulgaris, polygonum aviculare, rumex crispus, solanum nigrum, sonchus oleraceus