bromus tectorum, erigeron canadensis, tripleurospermum inodorum, allium rotundum, artemisia absinthium, atriplex patula, berteroa incana, bromus sterilis, capsella bursa-pastoris, chenopodium album, cirsium arvense, convolvulus arvensis, crepis tectorum, elymus repens, hypericum perforatum, lactuca serriola, linaria vulgaris, polygonum aviculare, potentilla argentea, rumex crispus, tanacetum vulgare, vicia cracca, vicia tetrasperma, viola arvensis