For Nabalus
Bogler, D.J. 2006c. Prenanthes. In Flora of North America Editorial Committee. 2006a. Flora of North America north of Mexico. Volume 19, Magnoliophyta: Asteridae, part 6: Asteraceae, part 1. Oxford Univ. Press, New York, NY. 579 pp.
Cronquist, A. 1980. Asteraceae, Volume I, Vascular flora of the Southeastern United States. University of North Carolina Press, Chapel Hill, N.C.
Fusiak, F., and E.E. Schilling. 1984. Systematics of the Prenanthes roanensis complex (Asteraceae: Lactuceae). Bull. Torrey Bot. Club 111: 338-348.
Johnson, M.F. 1980. The genus Prenanthes L. (Cichorieae – Asteraceae) in Virginia. Castanea 45: 24-30.
Kadereit, J.W., and C. Jeffrey. 2007. The families and genera of vascular plants. VIII. Flowering plants – Eudicots – Asterales. Springer, Berlin. 636 pp.
Kilian, N., B. Gemeinholzer, and H.W. Lack. 2009. Cichoriae. Pp. 343-383 in V.A. Funk, A. Susanna, T.F. Stuessy, and R.J. Bayer, eds. 2009. Systematics, evolution, and biogeography of Compositae. IAPT, Vienna, Austria. 965 pp.
Lack. 2007. In Kadereit, J.W., and C. Jeffrey. 2007. The families and genera of vascular plants. VIII. Flowering plants – Eudicots – Asterales. Springer, Berlin. 636 pp.
Schilling, E.E., A.J. Floden, and D.E. Schilling. 2015. Barcoding the Asteraceae of Tennessee, tribe Cichorieae. Phytoneuron 2015-19: 1-8.
Sennikov, A.N. 2000. De generibus ex affinitate Prenanthes L. (Asteraceae). Novosti Sist. Vyssh. Rast. 32: 177-181.
Shih, C. 1987. On circumscription of the genus Prenanthes L. and Notoseris Shih — a new genus of Compositae from China. J. Syst. Evol. 25(3): 189-203.
Weakley, A.S., R.J. LeBlond, B.A. Sorrie, C.T. Witsell, L.D. Estes, K.G. Mathews, A. Ebihara, and K. Gandhi. 2011. New combinations, rank changes, and nomenclatural and taxonomic comments in the vascular flora of the southeastern United States. J. Bot. Res. Inst. Texas 5: 437-455.
Cite as...