aegilops cylindrica, lolium perenne, bromus arvensis, cynodon dactylon, lepidium draba, polygonum aviculare, trifolium repens, achillea setacea, artemisia absinthium, artemisia vulgaris, bromus tectorum, calamagrostis epigejos, capsella bursa-pastoris, cichorium intybus, convolvulus arvensis, erigeron canadensis, medicago lupulina, plantago lanceolata, poa angustifolia, tripleurospermum inodorum