tripleurospermum inodorum, symphytum officinale, agrostis stolonifera, lamium purpureum, poa annua, polygonum aviculare, veronica persica, arabidopsis thaliana, capsella bursa-pastoris, cirsium arvense, mentha arvensis, myosotis arvensis, sinapis arvensis, thlaspi arvense, veronica arvensis, viola arvensis, cerastium holosteoides, erigeron canadensis, poa trivialis, sonchus asper