beta vulgaris, chenopodium album, convolvulus arvensis, polygonum aviculare, apera spica-venti, capsella bursa-pastoris, elymus repens, galinsoga parviflora, gnaphalium uliginosum, matricaria discoidea, persicaria lapathifolia, plantago major, poa annua, thlaspi arvense, trifolium pratense, tripleurospermum inodorum, vicia hirsuta