tussilago farfara, centaurea cyanus, matricaria chamomilla, elymus repens, poa annua, polygonum aviculare, veronica persica, apera spica-venti, aphanes arvensis, chenopodium album, euphorbia helioscopia, fallopia convolvulus, mentha arvensis, myosotis arvensis, roemeria argemone, sonchus oleraceus, stellaria media, veronica hederifolia, agrostis stolonifera, tripleurospermum inodorum