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Juncus dudleyi Wiegand. Subgenus: Agathryon. Section: Steirochloa. Dudley's Rush. Phen: Jun-Sep. Hab: Calcareous seepages and fens, river-scours. Dist: NL (Labrador) to NU, YT and AK, south FL, TX, CA, and Mexico. First reported for South Carolina by Hill & Horn (1997) [but these specimens are misidentified] and for NC by Tom Govus (pers. comm., 2005).

ID notes: Distinguished from J. anthelatus and J. tenuis by the shorter, rounded, and leathery auricles. The yellowish and leathery auricles easily distinguish this from the similar J. dichotomus and J. interior.

Origin/Endemic status: Native

Synonymy: = AqW, ETx1, F, FNA22, GrPl, Il, K1, K3, K4, Mi, Mo1, NcTx, NE, NY, Pa, S, Tn, Tx, Va, W, WV, Kirschner (2002b); = Agathryon dudleyi (Wiegand) Záv.Drábk. & Proćków – Proćków & Záveská Drábková (2023); = Juncus tenuis Willd. var. dudleyi (Wiegand) F.J.Herm. – C; = n/a – RAB, Tat; < Juncus tenuis Willd. – G, GW1

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Wetland Indicator Status:

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

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© Aidan Campos source | Original Image ⭷
image of plant© Erik Danielson source | Original Image ⭷
image of plant© Erik Danielson source | Original Image ⭷
image of plant© Erik Danielson source | Original Image ⭷

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