scleranthus annuus, apera spica-venti, centaurea cyanus, arenaria serpyllifolia, equisetum arvense, veronica arvensis, vicia sativa, viola arvensis, achillea virescens, anthemis arvensis, aphanes microcarpa, capsella bursa-pastoris, fallopia convolvulus, myosotis arvensis, stellaria media, trifolium arvense, trifolium pratense, trifolium repens, veronica hederifolia, vicia hirsuta