solanum tuberosum, convolvulus arvensis, elymus repens, solanum nigrum, chenopodiastrum hybridum, cirsium arvense, stellaria media, amaranthus powellii, capsella bursa-pastoris, erysimum cheiranthoides, euphorbia exigua, euphorbia helioscopia, glechoma hederacea, lysimachia arvensis, sonchus arvensis, veronica persica, chaenorhinum minus, fallopia convolvulus, lactuca serriola, myosotis arvensis, rubus caesius, thlaspi arvense, veronica polita