draba verna, scleranthus annuus, alopecurus pratensis, arabidopsis arenosa, convolvulus arvensis, rumex acetosella, spergula arvensis, teesdalia nudicaulis, veronica arvensis, veronica hederifolia, vicia sativa, viola arvensis, centaurea cyanus, echium vulgare, erigeron canadensis, lapsana communis, myosotis stricta, roemeria argemone