amaranthus retroflexus, bidens tripartita, echinochloa crus-galli, setaria pumila, argentina anserina, erigeron canadensis, silene latifolia, stachys palustris, stellaria media, achillea millefolium, cirsium arvense, digitaria sanguinalis, fallopia convolvulus, galinsoga parviflora, lipandra polysperma, mentha arvensis, oxalis stricta, persicaria hydropiper, persicaria maculosa, ranunculus arvensis, ranunculus repens, rumex crispus, sonchus arvensis, trifolium repens, vicia tetrasperma, viola arvensis, amaranthus powellii, campanula rapunculoides, tanacetum vulgare