secale cereale, knautia arvensis, euphrasia stricta, myosotis arvensis, prunella vulgaris, polygonum aviculare, viscaria vulgaris, bromus secalinus, fallopia convolvulus, lapsana communis, potentilla argentea, ranunculus repens, rumex acetosella, scleranthus annuus, stellaria graminea, trifolium repens