convolvulus arvensis, lipandra polysperma, amaranthus powellii, echinochloa crus-galli, elymus repens, lamium purpureum, symphytum officinale, brassica napus, calystegia sepium, capsella bursa-pastoris, cirsium arvense, equisetum arvense, galinsoga parviflora, galium aparine, glechoma hederacea, persicaria maculosa, poa annua, ranunculus repens, solanum nigrum, stachys palustris, stellaria media, veronica persica