For Xyris
Anderson, L.C., and R. Kral. 2008. Xyris panacea (Xyridaceae) – a new yellow-eyed grass from the Florida panhandle. J. Bot. Res. Inst. Texas 2: 1-6.
Bridges, E.L., and S.L. Orzell. 1987. A new species of Xyris (sect. Xyris) from the Gulf Coastal Plain. Phytologia 64: 56-61.
Bridges, E.L., and S.L. Orzell. 1990. Xyris chapmanii, a new species from the Gulf Coastal Plain of the southern United States. Phytologia 68: 382-389.
Bridges, E.L., and S.L. Orzell. 2003. Two new species and a new combination in southeastern United States Xyris (Xyridaceae) from Florida. Novon 13: 16-25.
Bridges, E.L., and S.L. Orzell. 2020b. Xyris stenotera, a restricted species of sandy depression marshes and pond shores in peninsular Florida. In Weakley, A.S., D.B. Poindexter, H.C. Medford, B.A. Sorrie, C.A. McCormick, E.L. Bridges, S.L. Orzell, K.A. Bradley, H.E. Ballard, Jr., R.N. Burwell, S.L. Lockhart, and A.R. Franck. 2020. Studies in the vascular flora of the southeastern United States. VI. J. Bot. Res. Inst. Texas 14: 199-240.
Campbell, L.M. 2011. Xyris bracteicaulis, a new species from the Coastal Plain of New York. Harvard Papers in Botany 16(1) : 49-51.
Godfrey, R.K., and J.W. Wooten. 1979. Aquatic and wetland plants of the southeastern United States monocotyledons. Univ. of Georgia Press. Athens.
Kral, R. 1966a. Xyris (Xyridaceae) of the continental United States and Canada. Sida 2: 177-260.
Kral, R. 1978b. A new species of Xyris (sect. Xyris) from Tennessee and northwestern Georgia. Rhodora 80: 444-447.
Kral, R. 1983b. The Xyridaceae in the southeastern United States. J. Arnold Arb. 64: 421-429.
Kral, R. 1999. A revised taxonomy for two North American Rhynchospora (Cyperaceae) and for two North American Xyris (Xyridaceae). Novon 9: 205-219.
Kral, R. 2000a. Xyridaceae. In Flora of North America Editorial Committee. 2000. Flora of North America north of Mexico. Volume 22, Magnoliophyta: Alismatidae, Arecidae, Commelinidae (in part), and Zingiberidae. Oxford Univ. Press, New York, NY. 352 pp.
Kral, R., and J.M. Moffett, Jr. 2009. Xyris spathifolia (Xyridaceae): a new xyrid from the Ketona Dolomite - limestone glades of Alabama. J. Bot. Res. Inst. Texas 3: 469-478.
Kral. 1998. In Kubitzki, K., ed. 1998b. The families and genera of vascular plants. IV. Flowering plants – Monocotyledons – Alismatanae and Commelinanae (except Gramineae). Springer, Berlin. 511 pp.
Malme, G.O.A. 1937. Notes on North American Xyridaceae. Bull. Torrey Bot. Club 64:45.
Ward, D.B. 2007b. Keys to the flora of Florida – 16, Xyris (Xyridaceae). Phytologia 89: 167-177.
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