text: holosteum umbellatum, myosotis stricta, apera spica-venti, arabidopsis thaliana, convolvulus arvensis, crepis tectorum, elymus repens, erigeron canadensis, fallopia convolvulus, filago arvensis, trifolium arvense, vicia hirsuta, viola arvensis, anthemis arvensis, crepis capillaris, hypochaeris radicata, senecio vernalis, chenopodium album, vicia sativa