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Juncus nodosus Linnaeus. Subgenus: Juncus. Section: Ozophyllum. Common name: Knotted Rush. Phenology: (Jun-) Jul-Sep. Habitat: Calcareous fens, seeps, wet meadows, swamps, and streamsides. Distribution: NL (Newfoundland) to BC, south to DE, w. VA, WV, IN, MO, TX, and CA.

ID notes: Much like J. elliottii but having much more prominent ring-like septate bands. Inner tepals conspicuously smaller than any other member of the section in the flora region.

Origin/Endemic status: Native

Synonymy ⓘ: = AqW, C, Can, F, FNA22, G, GrPl, Il, K4, Mi, Mo1, NE, NY, Pa, Tat, Tx, Va, WV, Bridges & Orzell (2008), Kirschner (2002b), Knapp (2014); = Verojuncus nodosus (L.) Záv.Drábk. & Proćków — Proćków & Záveská Drábková (2023); > Juncus nodosus L. var. nodosus. Basionym: Juncus nodosus L. 1762

Links to other floras: = Juncus nodosus - FNA22

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: OBL
  • Eastern Mountains and Piedmont: OBL
  • Great Plains: OBL
  • Midwest: OBL
  • Northcentral & Northeast: OBL

Heliophily ⓘ: 8

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image of plant© Erik Danielson source | Original Image ⭷
image of plant© Erik Danielson source | Original Image ⭷
image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Erik Danielson source | Original Image ⭷

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Horticultural Information

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