chenopodium album, papaver rhoeas, convolvulus arvensis, erigeron canadensis, potentilla argentea, tripleurospermum inodorum, achillea millefolium, capsella bursa-pastoris, cichorium intybus, crepis tectorum, daucus carota, delphinium consolida, erigeron annuus, persicaria maculosa, polygonum aviculare, psammophiliella muralis, thlaspi arvense, viola arvensis