echinochloa crus-galli, cirsium arvense, elymus repens, equisetum arvense, galinsoga parviflora, lamium purpureum, lathyrus tuberosus, matricaria chamomilla, persicaria lapathifolia, stellaria media, thlaspi arvense, veronica persica, viola arvensis, amaranthus retroflexus, capsella bursa-pastoris, erigeron canadensis, fallopia convolvulus, persicaria maculosa