elymus repens, thlaspi arvense, veronica persica, viola arvensis, aphanes arvensis, myosotis arvensis, arabidopsis thaliana, draba verna, papaver rhoeas, tripleurospermum inodorum, viola tricolor, apera spica-venti, capsella bursa-pastoris, euphorbia helioscopia, lolium multiflorum, poa annua, selinum carvifolia, stellaria media, lamium purpureum, veronica sublobata