capsella bursa-pastoris, stellaria media, cirsium arvense, equisetum arvense, tussilago farfara, veronica persica, atriplex patula, chenopodium album, elymus repens, euphorbia helioscopia, lamium purpureum, matricaria chamomilla, myosotis arvensis, papaver rhoeas, plantago major, poa annua, sonchus arvensis, sonchus asper, sonchus oleraceus, thlaspi arvense