amaranthus retroflexus, arabidopsis thaliana, aristolochia clematitis, bifora radians, centaurea cyanus, cichorium intybus, cirsium arvense, convolvulus arvensis, cynodon dactylon, delphinium consolida, lactuca serriola, lamium amplexicaule, lamium purpureum, lepidium draba, persicaria lapathifolia, polygonum aviculare, potentilla reptans, sonchus arvensis, stellaria media, veronica hederifolia, veronica persica, vicia cracca