centaurea cyanus, erigeron canadensis, chenopodium album, convolvulus arvensis, filago arvensis, galium verrucosum, viola arvensis, arabidopsis thaliana, arenaria serpyllifolia, capsella bursa-pastoris, medicago lupulina, roemeria argemone, scleranthus annuus, veronica hederifolia, veronica praecox, veronica triphyllos, camelina microcarpa, clinopodium acinos, echium vulgare, lactuca serriola, lamium amplexicaule, lycopsis arvensis, lysimachia vulgaris, papaver rhoeas, potentilla argentea, tragopogon dubius, trifolium arvense, anthemis arvensis, melilotus altissimus