hordeum vulgare, apera spica-venti, bryum argenteum, myosotis arvensis, tortula acaulon, elymus repens, galium aparine, lamium purpureum, papaver rhoeas, viola arvensis, aegopodium podagraria, convolvulus arvensis, equisetum arvense, medicago lupulina, geranium pusillum, lysimachia arvensis