Accepted By:
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Correll, D. S. & M. C. Johnston. 1970. Man. Vasc. Pl. Texas i–xv, 1–1881. The University of Texas at Dallas, Richardson.
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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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Great Plains Flora Association. 1986. Fl. Great Plains i–vii, 1–1392. University Press of Kansas, Lawrence.
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Kaul, R. B., S. B. Rolfsmeier & J. J. Esch. 1991. The distribution and reproductive phenology of the milkweeds (Asclepiadaceae: Asclepias and Cynanchum in Nebraska. Trans. Nebraska Acad. Sci. 18: 127–140.
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Long, R. W. & O. K. Lakela. 1971. Fl. Trop. Florida i–xvii, 1–962. University of Miami Press, Coral Cables.
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Rolfsmeier, S. B., R. B. Kaul, Garabrandt & D. M. Sutherland. 1988. New and corrected floristic records for Nebraska. Trans. Nebraska Acad. Sci. 6: 115–121.
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Ulloa Ulloa, C., P. Acevedo-Rodríguez, S. G. Beck, M. J. Belgrano, R. Bernal, P. E. Berry, L. Brako, M. Celis, G. Davidse, S. R. Gradstein, O. Hokche, B. León, S. León-Yánez, R. E. Magill, D. A. Neill, M. H. Nee, P. H. Raven, H. Stimmel, M. T. Strong, J. L. Villaseñor Ríos, J. L. Zarucchi, F. O. Zuloaga & P. M. Jørgensen. 2017. An integrated assessment of vascular plants species of the Americas. Science 358: 1614–1617 [Online Suppl. Materials: 1–23 + 1–2497], f. 1–4 [f. S1–5].
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Ulloa Ulloa, C., P. Acevedo-Rodríguez, S. G. Beck, M. J. Belgrano, R. Bernal, P. E. Berry, L. Brako, M. Celis, G. Davidse, S. R. Gradstein, O. Hokche, B. León, S. León-Yánez, R. E. Magill, D. A. Neill, M. H. Nee, P. H. Raven, H. Stimmel, M. T. Strong, J. L. Villaseñor Ríos, J. L. Zarucchi, F. O. Zuloaga & P. M. Jørgensen. 2018 (onwards). An integrated Assessment of Vascular Plants Species of the Americas (Online Updates).
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Ward, D. B. 2007. Thomas Walter typification project, IV: neotypes and epitypes for 43 Walter names, of genera A through C. J. Bot. Res. Inst. Texas 1(2): 1091–1100.
 
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Woodson, Jr., R. E. 1954. The North American species of Asclepias L. Ann. Missouri Bot. Gard. 41(1): 1–211.
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Wunderlin, R. P. 1998. Guide Vasc. Pl. Florida i–x, 1–806. University Press of Florida, Gainesville.
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