References

For Rayjacksonia

Cronquist, A. 1980. Asteraceae, Volume I, Vascular flora of the Southeastern United States. University of North Carolina Press, Chapel Hill, N.C. Google Scholar

Lane, M. A., and R. L. Hartman. 1996. Reclassification of North American Haplopappus (Compositae: Astereae) completed: Rayjacksonia gen. nov. Amer. J. Bot. 83: 356-370. Google Scholar

Nesom, G.L. 2006z. Amphiachyris. In Flora of North America Editorial Committee. 2006b. Flora of North America north of Mexico. Volume 20, Magnoliophyta: Asteridae, part 6: Asteraceae, part 2. Oxford Univ. Press, New York, NY. 666 pp. Google Scholar

Nesom, G.L., D.J. Rosen, and S.K. Lawrence. 2013. Notes on variation and geography in Rayjacksonia phyllocephala (Asteraceae: Astereae). Phytoneuron 2013-53: 1-15. Google Scholar

Ward, D.B. 2012a. New combinations in the Florida flora III. Phytologia 94: 459-485. Google Scholar