matricaria chamomilla, lepidium draba, lepidium ruderale, polygonum aviculare, achillea setacea, amaranthus crispus, amaranthus retroflexus, atriplex tatarica, bromus sterilis, bromus tectorum, capsella bursa-pastoris, chenopodium album, cynodon dactylon, descurainia sophia, elymus repens, hibiscus trionum, hordeum murinum, lepidium campestre, lolium perenne, sinapis arvensis, sonchus asper, urtica urens