secale cereale, apera spica-venti, draba verna, scleranthus annuus, arnoseris minima, equisetum arvense, viola arvensis, arenaria serpyllifolia, centaurea cyanus, cirsium arvense, descurainia sophia, veronica triphyllos, viola tricolor, agrostis gigantea, arabidopsis thaliana, buglossoides arvensis, convolvulus arvensis, fallopia convolvulus, raphanus raphanistrum, roemeria argemone, rumex acetosella, spergula arvensis, spergula morisonii