text: carduus nutans, ceratodon purpureus, agrostis capillaris, anthemis arvensis, apera spica-venti, arabidopsis thaliana, convolvulus arvensis, crepis tectorum, elymus repens, erigeron canadensis, filago arvensis, holosteum umbellatum, hypochaeris radicata, jasione montana, senecio vernalis, trifolium arvense, veronica arvensis, viola arvensis, crepis capillaris, fallopia convolvulus, vicia hirsuta, vicia sativa, erodium cicutarium