stellaria media, amaranthus powellii, atriplex oblongifolia, capsella bursa-pastoris, geranium pusillum, amaranthus retroflexus, cirsium arvense, lactuca serriola, lamium purpureum, echinochloa crus-galli, elymus repens, galinsoga parviflora, geum urbanum, papaver rhoeas, polygonum aviculare, setaria verticillata, sonchus oleraceus, tortula acaulon, avena sativa