text: ceratodon purpureus, erigeron canadensis, scleranthus annuus, teesdalia nudicaulis, viola arvensis, agrostis capillaris, apera spica-venti, arnoseris minima, chenopodium album, crepis tectorum, elymus repens, erodium cicutarium, fallopia convolvulus, filago arvensis, holosteum umbellatum, rumex acetosella, senecio vernalis, trifolium arvense, veronica arvensis, veronica triphyllos, arabidopsis thaliana, convolvulus arvensis, helichrysum arenarium, hypochaeris radicata, jasione montana, spergula morisonii, myosotis stricta, setaria viridis