text: triticum aestivum, equisetum arvense, convolvulus arvensis, matricaria chamomilla, sinapis arvensis, stellaria media, trifolium campestre, veronica persica, agrostemma githago, apera spica-venti, capsella bursa-pastoris, centaurea cyanus, cirsium arvense, euphorbia helioscopia, fallopia convolvulus, lamium amplexicaule, lamium purpureum, lysimachia arvensis, myosotis arvensis, oxalis stricta, papaver rhoeas, poa trivialis, polygonum aviculare, sonchus arvensis, thlaspi arvense, vicia sativa, viola arvensis