secale cereale, scleranthus annuus, raphanus raphanistrum, rumex acetosella, spergula arvensis, teesdalia nudicaulis, apera spica-venti, arnoseris minima, centaurea cyanus, elymus repens, erigeron canadensis, galeopsis tetrahit, lycopsis arvensis, myosotis arvensis, roemeria argemone, trifolium arvense