text: secale cereale, centaurea cyanus, vicia hirsuta, aphanes arvensis, scleranthus annuus, viola arvensis, agrostemma githago, apera spica-venti, artemisia vulgaris, buglossoides arvensis, cirsium arvense, convolvulus arvensis, erodium cicutarium, geranium pusillum, myosotis stricta, rhinanthus serotinus, spergularia rubra, vicia sativa, vicia tetrasperma