text: draba verna, apera spica-venti, myosotis stricta, roemeria argemone, veronica hederifolia, veronica triphyllos, buglossoides arvensis, cirsium arvense, vicia sativa, centaurea cyanus, convolvulus arvensis, elymus repens, fallopia convolvulus, papaver dubium, poa angustifolia, polygonum aviculare, viola arvensis