Juncus megacephalus

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Common name: bighead rush [1], large-headed rush [2]

Juncus megacephalus
Juncus megacephalus BM.jpg
Photo by John B
Scientific classification
Kingdom: Plantae
Division: Magnoliophyta - Flowering plants
Class: Liliopsida - Moncots
Order: Juncales
Family: Juncaceae
Genus: Juncus
Species: J. megacephalus
Binomial name
Juncus megacephalus
M.A. Curtis
Natural range of Juncus megacephalus from USDA NRCS Plants Database.

Taxonomic Notes

Synonyms: none

Varieties: none


J. megacephalus is a perennial graminoid of the Juncaceae family native to North America. [1]


J. megacephalus is found along the southeastern coast of the United States from Texas to Maryland. [1]



J. megacephalus is found in brackish and freshwater marshes, bogs, wet prairies, interdune swales, ditches, and other wet open places. [2] Specimens have been collected from recently burned witchgrass slough and tidal marsh of a river. [3]

Fire ecology

J. megacephalus is not fire resistant, but has high fire tolerance. [1]

Conservation and Management

J. megacephalus is listed as endangered/extirpated by the Maryland Department of Natural Resources Natural Heritage Program. [1]

Cultivation and restoration

Photo Gallery

References and notes

  1. 1.0 1.1 1.2 1.3 1.4 USDA Plant Database https://plants.usda.gov/core/profile?symbol=JUME
  2. 2.0 2.1 Weakley, A. S. (2015). Flora of the Southern and Mid-Atlantic States. Chapel Hill, NC, University of North Carolina Herbarium.
  3. URL: http://herbarium.bio.fsu.edu. Last accessed: June 2018. Collectors: R.A. Norris, R.K. Godfrey, Cecil Slaughter, Dianne Hall, Kim Ponzio, Loran C. Anderson. States and counties: Florida (Wakulla, Jefferson, Brevard)