References

For Isoetes

Boom, B.M. 1982. Synopsis of Isoetes in the southeastern United States. Castanea 47: 38-59. Google Scholar

Bray, R.D., P.W. Schafran, and L.J. Musselman. 2018. Interesting, provocative, and enigmatic: morphological observations on southeastern quillworts (Isoetes, Isoetaceae, Lycopodiophyta). Castanea 83: 263-269. Google Scholar

Brunton, D.F. 2015. Key to the quillworts (Isoetes: Isoetaceae) of the southeastern United States. Amer. Fern J. 105: 86-100. Google Scholar

Brunton, D.F. 2016. Flat Rock Quillwort, Isoetes graniticola, a new lycophyte from the southeastern United States. Rhodora 118: 261-275. Google Scholar

Brunton, D.F., and D.M. Britton. 1996a. Noteworthy collections: Alabama and Georgia. Castanea 61: 398-399. Google Scholar

Brunton, D.F., and D.M. Britton. 1996b. The status, distribution, and identification of Georgia Quillwort (Isoetes georgiana; Isoetaceae). American Fern Journal 86: 105-113. Google Scholar

Brunton, D.F., and D.M. Britton. 1997. Appalachian quillwort (Isoetes appalachiana, sp. nov.; Isoetaceae), a new pteridophyte from the eastern United States. Rhodora 99: 118-133. Google Scholar

Brunton, D.F., and D.M. Britton. 1998. Isoetes microvela (Isoetaceae), a new quillwort from the coastal plain of the southeastern United States. Rhodora 100: 261-275. Google Scholar

Brunton, D.F., and D.M. Britton. 1999. Rush quillwort (Isoetes junciformis, sp. nov.), a new pteridophyte from southern Georgia. American Fern Journal 89: 187-197. Google Scholar

Brunton, D.F., and J. McNeill. 2015. Status, distribution, and nomenclature of Northern Quillwort, Isoetes septentrionalis (Isoetaceae) in Canada. Can. Field-Naturalist 129: 174-180. Google Scholar

Caplen, C.A., and C.R. Werth. 2000a. Isozymes of the Isoetes riparia complex, I. Genetic variation and relatedness of diploid species. Syst. Bot. 25: 235-159. Google Scholar

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Luebke, N.T., and J.M. Budke. 2003. Isoëtes tennesseensis (Isoëtaceae), an octoploid quillwort from Tennessee. American Fern J. 93: 184-190. Google Scholar

Musselman, L.J. 2001. Georgia quillworts. Tipularia 16: 2-19, 40. Google Scholar

Musselman, L.J., and D.A. Knepper. 1994. Quillworts of Virginia. Amer. Fern J. 84: 48-68. Google Scholar

Musselman, L.J., D.A. Knepper, R.D. Bray, C.A. Caplen, and C. Ballou. 1995. A new Isoetes hybrid from Virginia. Castanea 60: 245-254. Google Scholar

Musselman, L.J., R.D. Bray, and D.A. Knepper. 1996. Isoetes ×bruntonii (Isoetes engelmannii × I. hyemalis), a new hybrid quillwort from Virginia. Amer. Fern J. 86: 8-15. Google Scholar

Musselman, L.J., R.D. Bray, and D.A. Knepper. 1997. Isoetes ×carltaylorii (Isoetes acadiensis × I. engelmannii), a new interspecific quillwort hybrid from the Chesapeake Bay. Can. J. Bot. 75: 301-309. Google Scholar

Musselman, L.J., W.C. Taylor, and R.D. Bray. 2001. Isoetes mattaponica (Isoetaceae), a new diploid quillwort from freshwater tidal marshes of Virginia. Novon 11: 200-204. Google Scholar

Schafran, P.W. 2019. Molecular systematics of Isoëtes (Isoëtaceae) in eastern North America. Ph.D. dissertation, Old Dominion Univ. Google Scholar

Schafran, P.W., E.A. Zimmer, W.C. Taylor, and L.J. Musselman. 2018. A whole chloroplast genome phylogeny of diploid species of Isoëtes (Isoëtaceae) in the southeastern United States. Castanea 83: 224-235. Google Scholar

Schafran, P.W., S.W. Leonard, R.D. Bray, W.C. Taylor, and L.J. Musselman. 2016. Isoetes mississippiensis: a new quillwort from Mississippi, USA. PhytoKeys 74: 97-106. Google Scholar

Singhurst, J.R., A.E. Rushing, C.K. Hanks, and W.C. Holmes. 2011. Isoetes texana (Isoetaceae): A new species from the Texas Coastal Bend. Phytoneuron 2011-22: 1-6. Google Scholar

Taylor, W.C., N.T. Luebke, D.M. Britton, R.J. Hickey, and D.F. Brunton. 1993. Isoetaceae. In Flora of North America Editorial Committee. 1993b. Flora of North America north of Mexico. Volume 2, pteridophytes and gymnosperms. Oxford Univ. Press, New York, NY. 475 pp. Google Scholar

Wood, D., G. Besnard, D.J. Beerling, C.P. Osborne, P.-A. Christin. 2020a. Phylogenomics indicates the “living fossil” Isoetes diversified in the Cenozoic. PLoS ONE 15(6): e0227525. https://doi. org/10.1371/journal.pone.0227525 Google Scholar