centaurea cyanus, sonchus arvensis, veronica hederifolia, apera spica-venti, capsella bursa-pastoris, delphinium consolida, equisetum arvense, mentha arvensis, myosotis arvensis, sinapis arvensis, stachys palustris, viola arvensis, aphanes arvensis, euphorbia helioscopia, fallopia convolvulus, papaver rhoeas, rumex crispus, argentina anserina, cirsium arvense, lathyrus pratensis, lysimachia arvensis, sonchus asper, tussilago farfara, vicia cracca