centaurea cyanus, alyssum alyssoides, camelina microcarpa, convolvulus arvensis, lysimachia vulgaris, veronica verna, viola arvensis, allium sphaerocephalon, arabidopsis thaliana, artemisia absinthium, buglossoides arvensis, chondrilla juncea, cirsium arvense, erigeron canadensis, filago arvensis, holosteum umbellatum, linaria angustissima, muscari comosum, myosotis arvensis, poa bulbosa, echium vulgare