matricaria chamomilla, bromus sterilis, lepidium ruderale, polygonum aviculare, setaria pumila, agropyron cristatum, arabidopsis thaliana, atriplex oblongifolia, capsella bursa-pastoris, cynodon dactylon, descurainia sophia, elymus repens, hordeum murinum, lepidium draba, lolium perenne, xanthium spinosum