secale cereale, centaurea cyanus, matricaria chamomilla, raphanus raphanistrum, apera spica-venti, vicia hirsuta, agrostis capillaris, anthoxanthum aristatum, aphanes australis, holcus mollis, mentha arvensis, myosotis arvensis, oxalis stricta, polygonum aviculare, rumex acetosella, veronica arvensis, vicia sativa, viola arvensis, erigeron canadensis