secale cereale, apera spica-venti, centaurea cyanus, fallopia convolvulus, myosotis stricta, roemeria argemone, scleranthus annuus, viola arvensis, achillea millefolium, arenaria serpyllifolia, buglossoides arvensis, capsella bursa-pastoris, chenopodium album, descurainia sophia, draba verna, elymus repens, erigeron canadensis, erodium cicutarium, persicaria lapathifolia, rumex acetosella, silene latifolia, veronica triphyllos, vicia sativa