cerastium holosteoides, stellaria media, viola arvensis, arabidopsis thaliana, capsella bursa-pastoris, chenopodium album, erigeron acris, erigeron canadensis, euphorbia falcata, euphorbia helioscopia, fallopia convolvulus, lamium purpureum, myosotis arvensis, plantago major, poa annua, solanum nigrum, tripleurospermum inodorum, veronica arvensis, veronica hederifolia, veronica persica