Invited Research Paper 
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species in the USA. (Abstr.) Southeastern Biology 48(2): 129. 
Flagg, R.O. and G.L. Smith. 2007. Nomenclatural problems in Mexican rain-lilies. 
(Abstr.) Southeastern Biology 54(3):262. 
Flagg, R.O. and G.L. Smith. 2008a. Delineation and distribution of Zephyranthes 
species (Amaryllidaceae) endemic to the Southeastern United States. 
Castanea 73(3):216-227. 
Flagg, R.O. and G.L. Smith. 2008b. Contributions to Mexican Habranthus and 
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Flagg, R.O. and G.L. Smith. 2009a. Thad Howard’s contributions to Mexican 
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Flagg, R.O. and G.L. Smith. 2009b. A New Mexican Habranthus 
(Amaryllidaceae) and a Key to the Habranthus of Mexico and Southwestern 
USA. Herbertia63:174-180. 
Flagg, R.O. and G.L. Smith. 2009c. Distinguishing characters of Habranthus 
species of Mexico and Southwestern UnitedStates. (Abstr.) Southeastern 
Biology 56(3):225. 
Flagg, R.O. and G.L. Smith. 2010. A New Mexican Zephyranthes 
(Amaryllidaceae). Herbertia 64:117-123. 
Flagg, R.O. and G.L. Smith. 2011. Considerations on sessile to shortly 
pedicellate Mexican Zephyranthes (Amaryllidaceae) taxa with diverging 
anthers. (Abstr.) Southeastern Biology 58(2):137. 
Flagg, R.O., G.L. Smith and W.S. Flory. 1998. Floral morphometric separation of 
southeastern species of Zephyranthes. (Abstr.) ASB Bulletin 45(2): 103. 
Flagg, R.O., G.L. Smith and W. S. Flory. 2002a. Habranthus. Flora of North 
America 26:281-282. 
Flagg, R.O., G.L. Smith and W. S. Flory. 2002b. Zephyranthes. Flora of North 
America 26:296-303. 
Flagg, R.O., G.L. Smith and A. Meerow. 2010. New Combinations in Habranthus 
(Amaryllidaceae) in Mexico and Southwestern U.S.A. Novon 20:33-34. 
Flory, W.S. 1939. Parthenogenesis in Zephyrantheae. Herbertia 6:196-201. 
Flory, W.S. 1978. An autobiography. PI. Life 34:9-27. 
Flory, W.S. and R.O. Flagg. 1958. A cytological study of the genus Habranthus. 
Nucleus 1(2):267-280. 
Flory, W.S. and R.O. Flagg. 1959. The chromosomes of three Mexican 
Habranthus species. Plant Life 15:51- 54. 
Flory, W.S. and R.O. Flagg. 1961a. The chromosomes of Zephyranthes albiella 
(Abstr.) ASB Bulletin 8(2):34. 
Flory, W.S. and R.O. Flagg. 1961b. Morphological and cytological support for the 
generic status of Pyrolirion. (Abstr.) Am. J. Bot. 48(6):533. 
Flory, W.S. and R.O. Flagg. 1962a. Chromosomes and generic status of 
Pyrolirion. (Abstr.) Va. J. Sci. (n.s.) 12(4):164. 
Flory, W.S. and R.O. Flagg. 1662b. Zephyranthes atamasco and Z. treatiae. 
(Abstr.) ASB Bulletin 9(2):41. 
Flory, W.S., L.B. Phillips and R.O. Flagg. 1968. Chromosomes of interspecific 
and intergeneric hybrids in Zephyrantheae. Proceeding XII Intern. Cong. 
Genetics Tokyo 1:183. 
Flory, W.S. and R.O. Flagg. 1981. Pyrolirion and Zephyranthes : distinct genera. 
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