text: avena sativa, apera spica-venti, centaurea cyanus, cirsium arvense, convolvulus arvensis, fallopia convolvulus, galeopsis tetrahit, legousia speculum-veneris, myosotis arvensis, papaver rhoeas, trifolium pratense, arabidopsis thaliana, capsella bursa-pastoris, chenopodium album, galium aparine, mentha arvensis, poa pratensis, ranunculus repens, stachys palustris, valerianella locusta, viola arvensis