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Dietz, D.R., Slabaugh, P.E., Bonner, F.T. (2008). Caragana arborescens Lam. Siberian peashrub. In: Bonner, F.T., Karrfalt, R.P., eds. The Woody Plant Seed Manual. Agric. Handbook No. 727. Washington, DC. U.S. Department of Agriculture, Forest Service. p. 321-323.