arabidopsis thaliana, medicago sativa, capsella bursa-pastoris, arenaria leptoclados, cirsium arvense, erigeron canadensis, lactuca tatarica, myosotis arvensis, veronica verna, viola arvensis, cerastium holosteoides, equisetum arvense, erodium cicutarium, linaria vulgaris, silene vulgaris, viola tricolor