poa annua, cynodon dactylon, althaea officinalis, amorpha fruticosa, anthemis ruthenica, arenaria serpyllifolia, artemisia scoparia, bromus tectorum, capsella bursa-pastoris, cerastium semidecandrum, chenopodium album, descurainia sophia, erigeron annuus, erodium cicutarium, geranium pusillum, medicago lupulina, medicago minima, plantago lanceolata, poa angustifolia, poa bulbosa, rorippa sylvestris, scleranthus annuus, sonchus oleraceus, trifolium repens, veronica arvensis, veronica peregrina, xanthium spinosum