carduus nigrescens, erodium cicutarium, hordeum murinum, convolvulus arvensis, stellaria media, veronica polita, arenaria serpyllifolia, bromus tectorum, capsella bursa-pastoris, descurainia sophia, erigeron canadensis, lactuca serriola, senecio vulgaris, veronica hederifolia, veronica sublobata, lamium amplexicaule, torilis arvensis