secale cereale, papaver rhoeas, centaurea cyanus, cirsium arvense, convolvulus arvensis, equisetum arvense, apera spica-venti, arenaria serpyllifolia, buglossoides arvensis, delphinium consolida, galium aparine, lamium amplexicaule, melampyrum arvense, odontites vernus, persicaria amphibia, polygonum aviculare, rhinanthus serotinus, roemeria argemone, scleranthus annuus, sinapis arvensis, stellaria graminea, veronica arvensis, veronica triphyllos, vicia tetrasperma, viola arvensis