arabidopsis thaliana, anthemis arvensis, tripleurospermum inodorum, veronica sublobata, viola arvensis, capsella bursa-pastoris, draba verna, elymus repens, erodium cicutarium, galium aparine, gnaphalium uliginosum, scleranthus annuus, thlaspi arvense, veronica arvensis, veronica triphyllos