text: apera spica-venti, setaria viridis, arabidopsis thaliana, chenopodium album, draba verna, fagopyrum esculentum, fallopia convolvulus, myosotis stricta, scleranthus annuus, spergula arvensis, stellaria media, trifolium arvense, veronica hederifolia, veronica triphyllos, viola arvensis, galinsoga parviflora, vicia cracca