erigeron canadensis, cirsium arvense, poa annua, amaranthus retroflexus, capsella bursa-pastoris, digitaria sanguinalis, echinochloa crus-galli, galinsoga parviflora, glechoma hederacea, oxalis corniculata, plantago major, polygonum aviculare, ptychostomum inclinatum, sagina procumbens, senecio vulgaris, sonchus oleraceus, stellaria media, trifolium repens, tripleurospermum inodorum, veronica persica, datura stramonium, daucus carota, sedum spurium, urtica dioica