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Juncus alpinoarticulatus Chaix ssp. fuscescens (Fernald) Hämet-Ahti. Subgenus: Juncus. Section: Ozophyllum. Distribution: NB and ON south to NY, west to MI, n. IL, and WI (and further west). More precise distribution data is needed on this subspecies of Juncus alpinoarticulatus, which has not been confirmed in our flora region. Pennsylvania specimens of J. alpinoarticulatus have been identified as J. alpinoarticulatus ssp. americanus (Steve Grund, pers. comm., 2022).

ID notes: Juncus alpinoarticulatus is much like J. articulatus but separated by the rounded to obtuse capsules and stiffly ascending inflorescence branches. Juncus alpinoarticulatus ssp. fuscescens is distinguished from ssp. americanus in having short pedicels to 0.5 mm long and lacking individually borne flowers.

Origin/Endemic status: Native

Synonymy ⓘ: = NeUS; = Juncus alpinus Vill. var. fuscescens Fernald; = Verojuncus alpinoarticulatus (Chaix) Záv.Drábk. & Proćków ssp. fuscescens (Fernald) Záv.Drábk. & Proćków — Proćków & Záveská Drábková (2023); < Juncus alpinoarticulatus Chaix — AqW, FNA22, Pa; < Juncus alpinoarticulatus Chaix ssp. americanus (Farw.) Hämet-Ahti — C, K4. Basionym: Juncus alpinus Vill. var. fuscescens Fernald 1908

Links to other floras: < Juncus alpinoarticulatus - FNA22

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Wetland Indicator Status:

  • Great Plains: OBL (taxonomic split from wetland indicator species)
  • Midwest: OBL (taxonomic split from wetland indicator species)
  • Northcentral & Northeast: OBL (taxonomic split from wetland indicator species)

Heliophily ⓘ: 9

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Horticultural Information

No horticultural data found for this taxon.