Nymphoides humboldtiana (Menyanthaceae) in Florida (U.S.A.) verified by DNA data

Authors

  • Beth A. Middleton Wetland and Aquatic Research Center, U.S. Geological Survey
  • Evelyn Anemaet Wetland and Aquatic Research Center, U.S. Geological Survey
  • Tracy Elsey Quirk Louisiana State University
  • Nicholas P. Tippery Department of Biological Sciences, University of Wisconsin-Whitewater

DOI:

https://doi.org/10.17348/jbrit.v12.i1.934

Keywords:

floating hearts, invasive species, nuclear and chloroplast DNA, taxonomic classification, range extension, rare and endangered species

Abstract

Certain Nymphoides populations in Florida, U.S.A., previously identified as the non-native N. indica (L.) Kuntze, are actually N. humboldtiana (Kunth) Kuntze, as verified using nuclear and plastid DNA data. These new records of N. humboldtiana in Florida are the only known localities in the U.S.A. outside of Uvalde County, Texas. Nymphoides humboldtiana is native to Texas, México, the Caribbean, and Central and South America. The newly identified Florida populations found near the city of Tampa in Manatee County (Ward Lake and Braden River) and Fort Walton Beach in Okaloosa County (Bass Lake) are presumed to be native. Nymphoides humboldtiana and N. indica share many superficial similarities, most notably white petals with ciliate hairs. Our findings suggest that certain morphologically-determined populations of N. indica in the U.S.A. may be incorrectly identified. Such populations might be re-examined using DNA methods to avoid any management actions against N. humboldtiana.

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Published

2018-07-20

How to Cite

Middleton, B. A., Anemaet, E., Quirk, T. E., & Tippery, N. P. . (2018). Nymphoides humboldtiana (Menyanthaceae) in Florida (U.S.A.) verified by DNA data. Journal of the Botanical Research Institute of Texas, 12(1), 257–263. https://doi.org/10.17348/jbrit.v12.i1.934

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