— Excerpted from DiTomosato, et al. 2013. Weed Control in Natural Areas in the Western United States, Berkeley: University of California Weed Research & Information Center.
— Nowierski and Pemberton. 2002. Excerpted from Van Driesche, R., et al., Biological Control of Invasive Plants in the Eastern United States, USDA Forest Service Publication FHTET-2002-04.