artemisia absinthium, erigeron canadensis, medicago lupulina, achillea millefolium, plantago major, bromus secalinus, capsella bursa-pastoris, elsholtzia ciliata, lipandra polysperma, potentilla argentea, silene latifolia, solanum nigrum, trifolium arvense, trifolium campestre, trifolium repens, vicia tetrasperma