ailanthus altissima, artemisia vulgaris, bromus tectorum, chenopodium album, cirsium arvense, digitaria ischaemum, erigeron canadensis, fallopia convolvulus, galinsoga parviflora, glechoma hederacea, medicago lupulina, persicaria maculosa, plantago major, poa annua, setaria pumila, sonchus oleraceus, acer negundo, aethusa cynapium, amaranthus powellii