apera spica-venti, arabidopsis thaliana, draba verna, arenaria serpyllifolia, centaurea cyanus, equisetum arvense, fallopia convolvulus, lysimachia arvensis, melilotus albus, myosotis arvensis, papaver dubium, veronica arvensis, veronica hederifolia, veronica triphyllos, vicia hirsuta, vicia sativa, viola arvensis, myosurus minimus, raphanus raphanistrum, scleranthus annuus, stachys palustris