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