triticum aestivum, apera spica-venti, cirsium arvense, galinsoga quadriradiata, geranium dissectum, matricaria discoidea, myosotis arvensis, oxalis stricta, persicaria lapathifolia, persicaria maculosa, polygonum aviculare, solanum tuberosum, stachys palustris, stellaria media, tripleurospermum inodorum, viola arvensis