centaurea cyanus, medicago lupulina, chenopodium album, delphinium consolida, fallopia convolvulus, lysimachia arvensis, roemeria argemone, veronica hederifolia, apera spica-venti, elymus repens, euphorbia helioscopia, papaver rhoeas, secale cereale, silene noctiflora, trifolium pratense, viola arvensis, buglossoides arvensis, fumaria officinalis