arnoseris minima, myosotis stricta, teesdalia nudicaulis, veronica triphyllos, achillea millefolium, agrostis stolonifera, anthoxanthum aristatum, apera spica-venti, arabidopsis thaliana, centaurea cyanus, chenopodium album, draba verna, fallopia convolvulus, roemeria argemone, rumex acetosella, stellaria media, viola arvensis