polygonum aviculare, agrostemma githago, arenaria serpyllifolia, bifora radians, caucalis platycarpos, centaurea cyanus, cirsium arvense, cirsium vulgare, convolvulus arvensis, delphinium consolida, euphorbia exigua, fallopia convolvulus, galeopsis ladanum, lysimachia arvensis, melampyrum nemorosum, myosotis arvensis, neslia paniculata, setaria pumila, stachys annua, tripleurospermum inodorum, viola tricolor