For Liatris
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Clark, L.C. 2019. Development of microsatellite markers to evaluate current species boundaries between Liatris helleri Porter and Liatris turgida (Gaiser) (Asteraceae). M.S. thesis, App. State Univ., Dept. of Biol.
Cronquist, A. 1980. Asteraceae, Volume I, Vascular flora of the Southeastern United States. University of North Carolina Press, Chapel Hill, N.C.
Gaiser, L.O. 1946. The genus Liatris. Rhodora 48: 165-183, 216-263, 273-326, 331-382, 393-412.
Godfrey, R.K. 1948 Studies in the Compositae of North Carolina. I Liatris. J. Elisha Mitchell Scientific Society 64: 241-249.
Mayfield, M.H. 2002. The varieties of Liatris elegans (Asteraceae). Sida 20: 597-603.
Nesom, G.L. 2005c. Broadened concept of Liatris helleri (Asteraceae: Eupatorieae). Sida 21: 1323-1333.
Nesom, G.L. 2006gg. Liatris. In Flora of North America Editorial Committee. 2006c. Flora of North America north of Mexico. Volume 21, Magnoliophyta: Asteridae, part 6: Asteraceae, part 3. Oxford Univ. Press, New York, NY. 616 pp.
Nesom, G.L. 2021b. The Liatris elegans group (Astereae): taxonomic review. Phytoneuron 2021-32: 1–40. Published 5 July 2021. ISSN 2153 733X
Nesom, G.L., and J.M. Stucky. 2004. Taxonomy of the Liatris pilosa (graminifolia) complex (Asteraceae: Eupatorieae). Sida 21: 815-826.
Schilling, E.E. 2011b. Hybrid genera in Liatrinae (Asteraceae: Eupatorieae). Molec. Phylogen. Syst. 59: 158-167.
Stucky, J.M. 1991. Affinities between Liatris cokeri Pyne & Stucky (Asteraceae), a sandhills endemic of the Carolinas, and its widely distributed relative, L. graminifolia Willd. American Midland Naturalist 125: 323-330.
Stucky, J.M. 1992. Liatris virgata (Asteraceae) in the southeastern United States. Sida 15: 177-183.
Stucky, J.M., and M. Pyne. 1990. A new species of Liatris (Asteraceae) from the Carolina sandhills. Sida 14: 189-208.
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