Accepted By:
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Clausen, R. T. 1975. Sedum of North America North of the Mexican plateau. p.. 1–742.
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Fernald, M. 1950. Manual (ed. 8) i–lxiv, 1–1632. American Book Co., New York.
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Flora of North America Editorial Committee. 2009. Magnoliophyta: Paeoniaceae to Ericaceae. 8: i–xxiv, 1–585. In Flora of North America Editorial Committee (eds.) Fl. N. Amer.. Oxford University Press, New York.
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Gleason, H. A. 1968. The Choripetalous Dicotyledoneae. vol. 2. 655 pp. In H. A. Gleason Ill. Fl. N.E. U.S.. New York Botanical Garden, New York.
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Gleason, H. A. & A. J. Cronquist. 1991. Man. Vasc. Pl. N.E. U.S. (ed. 2) i–910. New York Botanical Garden, Bronx.
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Jansson, C. A. & K. H. Rechinger. 1970. Crassulaceae. Fl. Iranica 72: 1–32.
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Munz, P. A. 1968. Suppl. Calif. Fl. 1–224. University of California Press, Berkeley.
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Munz, P. A. 1974. Fl. S. Calif. 1–1086. University of California Press, Berkeley.
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Voss, E. G. 1985. Michigan Flora. Part II Dicots (Saururaceae-Cornaceae). Bull. Cranbrook Inst. Sci. 59. xix + 724.
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