secale cereale, centaurea cyanus, anthoxanthum aristatum, arabidopsis thaliana, equisetum sylvaticum, roemeria argemone, buglossoides arvensis, myosotis stricta, veronica hederifolia, veronica triphyllos, arenaria serpyllifolia, arnoseris minima, equisetum arvense, fallopia convolvulus, saxifraga granulata, scleranthus annuus, thlaspi arvense, vicia sativa, viola arvensis