secale cereale, arnoseris minima, centaurea cyanus, equisetum arvense, elymus repens, fallopia convolvulus, rumex acetosella, scleranthus annuus, spergula arvensis, teesdalia nudicaulis, achillea millefolium, aphanes arvensis, arabidopsis thaliana, cerastium arvense, chenopodium album, draba verna, equisetum sylvaticum, juncus bufonius, polygonum aviculare, rhinanthus serotinus, vicia sativa, viola arvensis