Significant range extension of Streptanthus squamiformis (Brassicaceae), a Ouachita Mountain endemic

Authors

  • Virginia L. McDaniel U.S.D.A Forest Service
  • Brent Baker Pine Ridge Gardens
  • Theo Witsell Arkansas Natural Heritage Commission
  • Susan L. Hooks Ouachita National Forest

DOI:

https://doi.org/10.17348/jbrit.v16.i2.1266

Keywords:

endemic plant, Streptanthus squamiformis, Streptanthus maculatus subsp. obtusifolius, range extension, Ouachita Mountains, Fourche Mountains Ecoregion

Abstract

Streptanthus squamiformis Goodman (Brassicaceae) is a plant narrowly endemic to the Athens Plateau; Central Hills, Ridges, and Valleys; and Central Mountain Ranges ecoregions of the Ouachita Mountains, and previously known from five adjacent counties in western Arkansas and southeastern Oklahoma. We document a 100-km range extension of this species to Perry County in central Arkansas, its first occurrence in the Fourche Mountains Ecoregion.

References

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BAKER, B. 2013. Final report on Streptanthus squamiformis Goodman [Ouachita twistflower] survey work in Arkansas, 2012. Unpublished ANHC report submitted to the U.S. Fish and Wildlife Service.
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Published

2022-11-29

How to Cite

McDaniel, V. L., Baker, B., Witsell, T., & Hooks, S. L. (2022). Significant range extension of Streptanthus squamiformis (Brassicaceae), a Ouachita Mountain endemic. Journal of the Botanical Research Institute of Texas, 16(2), 559–563. https://doi.org/10.17348/jbrit.v16.i2.1266