text: erigeron canadensis, holosteum umbellatum, convolvulus arvensis, erodium cicutarium, hypochaeris radicata, spergula morisonii, trifolium arvense, veronica triphyllos, viola arvensis, filago arvensis, jasione montana, scleranthus annuus, senecio vernalis, apera spica-venti, crepis tectorum, pinus sylvestris