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