secale cereale, arenaria serpyllifolia, buglossoides arvensis, centaurea cyanus, myosotis stricta, roemeria argemone, veronica triphyllos, viola arvensis, agrostemma githago, apera spica-venti, draba verna, elymus repens, equisetum arvense, erodium cicutarium, fallopia convolvulus, lamium amplexicaule, papaver dubium, persicaria lapathifolia, persicaria maculosa, raphanus raphanistrum, scleranthus annuus, silene latifolia, stellaria media