thlaspi arvense, convolvulus arvensis, equisetum arvense, galeopsis tetrahit, galium aparine, lapsana communis, fallopia convolvulus, vicia cracca, viola arvensis, achillea millefolium, capsella bursa-pastoris, centaurea scabiosa, chenopodium album, knautia dipsacifolia, myosotis arvensis, vicia sepium