centaurea cyanus, erigeron canadensis, convolvulus arvensis, filago arvensis, galium spurium, trifolium arvense, viola arvensis, arabidopsis thaliana, arenaria serpyllifolia, capsella bursa-pastoris, chenopodium album, lactuca serriola, medicago lupulina, polygonum aviculare, roemeria argemone, scleranthus annuus, setaria viridis, veronica hederifolia, veronica triphyllos, artemisia absinthium, artemisia vulgaris, camelina microcarpa, echium vulgare, elymus repens, fallopia convolvulus, lamium amplexicaule, lycopsis arvensis, melilotus officinalis, papaver rhoeas, picris hieracioides, potentilla argentea, stachys recta, tragopogon dubius, anthemis arvensis, chondrilla juncea