secale cereale, anthemis arvensis, scleranthus annuus, centaurea cyanus, vicia tetrasperma, viola arvensis, apera spica-venti, arabidopsis arenosa, arenaria serpyllifolia, cerastium holosteoides, convolvulus arvensis, delphinium consolida, draba verna, elymus repens, geranium pusillum, lycopsis arvensis, myosotis arvensis, veronica arvensis, veronica triphyllos, vicia hirsuta