References

For Froelichia

McCauley, R.A. 2003. Froelichia. In Flora of North America Editorial Committee. 2003b. Flora of North America north of Mexico. Volume 4, Magnoliophyta: Caryophyllidae, part 1. Oxford Univ. Press, New York, NY. 559 pp. Google Scholar

McCauley, R.A. 2004. New taxa and a new combination in the North American species of Froelichia (Amaranthaceae). Syst. Bot. 29: 64-76. Google Scholar

McCauley, R.A., and H.E. Ballard, Jr. 2007a. Systematics of North American Froelichia (Amaranthaceae subfam. Gomphrenoideae) I: Identification of consistent morphological variation and segregation of species complexes. Brittonia 59: 255-274. Google Scholar

McCauley, R.A., and H.E. Ballard, Jr. 2007b. Systematics of North American Froelichia (Amaranthaceae subfam. Gomphrenoideae) II: Phylogeny and biogeographic speciation patterns inferred from nrITS sequence data. Brittonia 59: 275-289. Google Scholar

Robertson, K.R. 1981. The genera of Amaranthaceae in the southeastern United States. J. Arnold Arb. 62: 267-314. Google Scholar

Townsend, C.C. 1993. Amaranthaceae. Pp. 70-91 In Kubitzki, K., J.G. Rohwer, and V. Bittrich, eds. 1993. The families and genera of vascular plants. II. Flowering plants – Dicotyledons – Magnoliid, Hamamelid and Caryophyllid families. Springer, Berlin. 653 pp. Google Scholar