text: hordeum distichon, triticum aestivum, apera spica-venti, artemisia vulgaris, centaurea cyanus, chenopodium album, cirsium arvense, crepis biennis, elymus repens, euphorbia helioscopia, fallopia convolvulus, thlaspi arvense, tripleurospermum inodorum, hypericum perforatum, linaria vulgaris, lycopsis arvensis, papaver rhoeas, vicia hirsuta