References

For Platanthera

Ackerman, J.D., and R. Morgan 2002. Piperia. In Flora of North America Editorial Committee. 2002a. Flora of North America north of Mexico. Volume 26, Magnoliophyta: Liliidae: Liliales and Orchidales. Oxford Univ. Press, New York, NY. 723 pp.

Bateman, R.M., K.E. James, Y.-B. Luo, R.K. Lauri, T. Fulcher, P.J. Cribb, and M.W. Chase. 2009. Molecular phylogenetics and morphological reappraisal of the Platanthera clade (Orchidaceae: Orchidinae) prompts expansion of the generic limits of Galearis and Platanthera. Ann. Bot. 104: 431-445.

Brown, P.M. 2002. Wild orchids of Florida, with references to the Atlantic and Gulf Coastal Plains. Univ. Press of Florida.

Butzin, F. 1981. Fimbriella, eine neue Orchideengattung. Willdenowia 11: 321-325.

Correll, D.S. 1950. Native orchids of North America north of Mexico. Chronica Botanica Cp., Waltham, MA. 399 pp.

Efimov, P.G. 2016. A revision of Platanthera (Orchidaceae; Orchidoideae; Orchideae) in Asia. Phytotaxa 254: 1-233.

Pridgeon, A.M., P.J. Cribb, M.W. Chase, and F.N. Rasmussen. 1999b. Genera orchidacearum. Volume 3: Orchidioideae (part 1). Oxford Univ. Press.

Reddoch, A.H., and J.M. Reddoch. 1993. The species pair Platanthera orbiculata and P. macrophylla (Orchidaceae): taxonomy, morphology, distributions and habitats. Lindleyana 8: 171-188.

Sheviak, C.J. 2002b. Platanthera. In Flora of North America Editorial Committee. 2002a. Flora of North America north of Mexico. Volume 26, Magnoliophyta: Liliidae: Liliales and Orchidales. Oxford Univ. Press, New York, NY. 723 pp.

Wettewa, E., N. Bailey, and L.E. Wallace. 2020. Comparative analysis of genetic and morphological variation within the Platanthera hyperborea complex (Orchidaceae). Syst. Bot. 45(4): 767-778.