hordeum distichon, thlaspi arvense, galinsoga quadriradiata, persicaria lapathifolia, persicaria maculosa, stellaria media, cirsium arvense, fallopia convolvulus, lathyrus oleraceus, spergula arvensis, trifolium repens, achillea millefolium, euphorbia helioscopia, galium aparine, geranium dissectum, lamium purpureum, myosotis arvensis, poa trivialis, symphytum officinale, veronica persica