roemeria argemone, apera spica-venti, centaurea cyanus, veronica arvensis, viola arvensis, anthemis arvensis, arabidopsis thaliana, arenaria serpyllifolia, capsella bursa-pastoris, draba verna, equisetum arvense, erigeron canadensis, fallopia convolvulus, myosotis arvensis, myosotis stricta, scleranthus annuus, trifolium dubium, trifolium medium, veronica triphyllos