alopecurus myosuroides, centaurea cyanus, stellaria media, viola arvensis, apera spica-venti, arenaria serpyllifolia, galium aparine, matricaria chamomilla, papaver rhoeas, poa trivialis, veronica arvensis, veronica hederifolia, vicia hirsuta, vicia sativa, convolvulus arvensis, fallopia convolvulus, myosotis arvensis, polygonum aviculare, sagina procumbens