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Juncus coriaceus Mackenzie. Subgenus: Agathryon. Section: Steirochloa. Common name: Leathery Rush. Phenology: Jun-Sep. Habitat: Stream and pond margins, swamps, flatwoods depressions, roadside ditches. Distribution: S. NJ to c. peninsular FL, west to e. TX, north in the interior to KY, AR, and OK.

ID notes: When immature, J. coriaceus is distinguished from other species by the appearance of a lateral inflorescence, but with an additional bract at the base of the flowers in addition to the continuation of the stem, which is the true bract. When mature, J. coriaceus is sometimes confused with members of section Genuini (species with lateral inflorescence) but distinguished the presence of cauline leaf blades.

Origin/Endemic status: Endemic

Synonymy ⓘ: = AqW, Ar, C, ETx1, F, FNA22, G, GW1, K4, NcTx, RAB, Tat, Tn, Va, W, WH3, Kirschner (2002b), Kirschner (2002c); = Agathryon coriaceum (Mack.) Záv.Drábk. & Proćków — Proćków & Záveská Drábková (2023); = Juncus setaceus Rostk. — S, misapplied. Basionym: Juncus coriaceus Mack. 1929

Links to other floras: = Juncus coriaceus - FNA22

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: FACW
  • Eastern Mountains and Piedmont: FACW
  • Great Plains: OBL
  • Midwest: FACW

Heliophily ⓘ: 7

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image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Bruce A. Sorrie | Original Image ⭷
image of plant© Melanie Flood | Original Image ⭷
image of plant© Scott Ward | Original Image ⭷
image of plant© Joey Shaw source | Original Image ⭷
image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Collectors SOS | Original Image ⭷

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Horticultural Information

NCBG trait

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native range: southeastern United States



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