ambrosia artemisiifolia, bassia scoparia, erigeron canadensis, amaranthus powellii, amaranthus retroflexus, bromus japonicus, capsella bursa-pastoris, crepis foetida, crepis setosa, delphinium consolida, descurainia sophia, echinochloa crus-galli, hordeum murinum, lactuca serriola, linaria vulgaris, papaver rhoeas, setaria viridis, sisymbrium loeselii, viola arvensis