secale cereale, viola arvensis, apera spica-venti, draba verna, trifolium arvense, veronica dillenii, achillea millefolium, arnoseris minima, convolvulus arvensis, elymus repens, fallopia convolvulus, medicago lupulina, myosotis stricta, papaver dubium, polygonum aviculare, rumex acetosella, scleranthus annuus, sedum acre, veronica triphyllos, vicia sativa, viola tricolor