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Marshallia mohrii
Also called Coosa Barbara's Buttons
Marshallia mohrii, or Mohr's Barbara's buttons or Coosa Barbara's buttons, is a perennial herb species, endemic to the Southeastern United States, in several locations in Alabama, Georgia, and Florida. The first recorded discovery of the species was in 1882 by Dr. Charles Mohr, hence the botanical species name and common name.
Mohr's Barbara's buttons is currently listed as threatened on the Endangered Species List, and has been since 1988.
The Mohr's Barbara's buttons, Marshallia mohrii, requires wet, sandy clay soils, with alkaline pH, and high organic matter. Most currently known populations occur on soils of the Conasauga-Firestone Association. (Alabama Power Company, 2007) This is typically found along shale-bedded streams, especially in seasonally moist forest gaps, and in low swales extending onto roadside rights-of-way. Mohr's Barbara Button can survive in full sun or partial shade, often in association with grass-sedge communities. Two other endangered species have the same habitat requirements as the Mohr's Barbara Button: The Alabama Leather-Flower (Clematis socialis) and the Green Pitcher Plant (Sarracenia oreophila) are both listed as endangered, and occupy the same limited habitat. (Alabama Power Company, 2007)
Puffballs · Grassleaf Barbara's buttons · Monongahela Barbara's buttons · Spoonshape Barbara's buttons · Barbara's buttons
Text excerpted from the Wikipedia article Marshallia mohrii by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
