apera spica-venti, anthoxanthum aristatum, aphanes arvensis, arabidopsis thaliana, arnoseris minima, chenopodium album, draba verna, fallopia convolvulus, myosotis stricta, rumex acetosella, scleranthus annuus, setaria viridis, veronica arvensis, veronica dillenii, veronica triphyllos, vicia sativa, viola arvensis, viola tricolor, arenaria serpyllifolia, bromus hordeaceus, centaurea cyanus, cerastium holosteoides, lysimachia arvensis, odontites vernus, roemeria argemone, senecio vernalis