secale cereale, centaurea cyanus, apera spica-venti, convolvulus arvensis, tripleurospermum inodorum, vicia hirsuta, achillea millefolium, agrostis capillaris, anthemis arvensis, chenopodium album, cirsium arvense, delphinium consolida, elymus repens, erigeron canadensis, fallopia convolvulus, oxybasis glauca, persicaria lapathifolia, polygonum aviculare, rumex acetosella, scleranthus annuus, trifolium arvense, vicia villosa, viola arvensis