galinsoga quadriradiata, capsella bursa-pastoris, cirsium arvense, echinochloa crus-galli, elymus repens, galinsoga parviflora, persicaria lapathifolia, plantago major, stellaria media, trifolium pratense, gnaphalium uliginosum, juncus bufonius, lamium purpureum, thlaspi arvense, viola arvensis