References

For Marshallia

Beadle, C.D., and F.E. Boynton. 1901. Revision of the species of Marshallia. Biltmore Bot. Studies 1: 3-10. Google Scholar

Channell, R.B. 1957. A revisional study of the genus Marshallia (Compositae). Contr. Gray Herbarium Harv. Univ. 181: 41-130. Google Scholar

Cronquist, A. 1980. Asteraceae, Volume I, Vascular flora of the Southeastern United States. University of North Carolina Press, Chapel Hill, N.C. Google Scholar

Kelley, J.M. 2024. Status of Marshallia caespitosa in Louisiana and deletion of var. signata. Phytologia 106(1): 1-6. Google Scholar

Knapp, W.M., D.B. Poindexter, and A.S. Weakley. 2020. The true identity of Marshallia grandiflora, an extinct species, and the description of Marshallia pulchra (Asteraceae, Helenieae, Marshalliinae). Phytotaxa 447: 1-15. http://dx.doi.org/10.11646/phytotaxa.447.1.1 Google Scholar

Watson, L.E. 2006. Marshallia. 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. Google Scholar

Watson, L.E., and J.R. Estes. 1990. Biosystematic and phenetic analysis of Marshallia (Asteraceae). Systematic Bot. 15: 403-414. Google Scholar

Watson, L.E., R.K. Jansen, and J.R. Estes. 1991. Tribal placement of Marshallia (Asteraceae) using chloroplast DNA restriction site mapping. Amer. J. Bot. 78: 1028-1035. Google Scholar

Watson, L.E., W.J. Elisens, and J.R. Estes. 1991. Electrophoretic and cytogenetic evidence for allopolyploid origin of Marshallia mohrii (Asteraceae). Amer. J. Bot. 78: 408-416. Google Scholar

Weakley, A.S., and D.B. Poindexter. 2012. A new species of Marshallia (Asteraceae, Helenieae, Marshalliinae) from mafic woodlands and barrens of North Carolina and Virginia. Phytoneuron 2012-105: 1-17. Google Scholar