setaria pumila, convolvulus arvensis, digitaria sanguinalis, erigeron canadensis, galinsoga parviflora, polygonum aviculare, stellaria media, amaranthus powellii, elymus repens, galeopsis pubescens, galinsoga quadriradiata, oxalis stricta, poa annua, silene latifolia, viola arvensis, achillea millefolium, aethusa cynapium, amaranthus retroflexus, atriplex patula, capsella bursa-pastoris, cirsium arvense, erigeron annuus, fallopia convolvulus, lamium maculatum, lamium purpureum, lapsana communis, leucanthemum ircutianum, lipandra polysperma, lysimachia arvensis, mentha arvensis, myosotis arvensis, panicum capillare, panicum miliaceum, plantago major, ranunculus repens, rumex obtusifolius, solanum nigrum, sonchus asper, trifolium pratense, tripleurospermum inodorum, veronica persica