arabidopsis thaliana, draba verna, myosotis stricta, myosurus minimus, stellaria media, viola arvensis, anthemis arvensis, centaurea cyanus, cerastium holosteoides, equisetum arvense, festuca rubra, geranium pusillum, helichrysum arenarium, lamium amplexicaule, lysimachia arvensis, raphanus raphanistrum, senecio vernalis, sonchus asper, thlaspi arvense, veronica arvensis, veronica persica, vicia sativa, vicia villosa, viola tricolor