text: elymus repens, apera spica-venti, arabidopsis thaliana, bromus tectorum, centaurea cyanus, ceratodon purpureus, crepis tectorum, erigeron canadensis, erodium cicutarium, fallopia convolvulus, holosteum umbellatum, hypochaeris radicata, rumex acetosella, senecio vernalis, vicia sativa, viola arvensis, jasione montana, myosotis stricta, trifolium arvense, veronica arvensis, vicia hirsuta, crepis capillaris, lactuca serriola