hordeum vulgare, apera spica-venti, artemisia vulgaris, capsella bursa-pastoris, cirsium arvense, fallopia convolvulus, galinsoga parviflora, plantago major, poa annua, spergula arvensis, symphytum officinale, trifolium pratense, tripleurospermum inodorum, veronica persica, lamium purpureum, oxalis stricta, rumex obtusifolius, silene latifolia, stellaria media, trifolium repens, vicia hirsuta, viola arvensis, euphorbia helioscopia, hypericum perforatum, lapsana communis, vicia sepium