echinochloa crus-galli, setaria pumila, persicaria lapathifolia, amaranthus retroflexus, anthemis arvensis, bidens tripartita, cirsium arvense, convolvulus arvensis, elymus repens, galinsoga parviflora, glechoma hederacea, polygonum aviculare, pteridium aquilinum, rubus caesius, stellaria media