chaenorhinum minus, digitaria sanguinalis, chenopodium album, convolvulus arvensis, anchusa officinalis, arabidopsis arenosa, capsella bursa-pastoris, carex hirta, daucus carota, elymus repens, equisetum arvense, erigeron canadensis, medicago falcata, medicago lupulina, oenothera biennis, poa annua, polygonum aviculare, setaria pumila, setaria viridis, silene vulgaris