datura stramonium, sonchus oleraceus, amaranthus emarginatus, capsella bursa-pastoris, chenopodium album, poa annua, amaranthus powellii, euphorbia helioscopia, lysimachia arvensis, solanum nigrum, agrostis stolonifera, foeniculum vulgare, fumaria muralis, polygonum aviculare, senecio vulgaris, sonchus asper, trifolium repens