Juncus articulatus Linnaeus ssp. articulatus . Subgenus: Juncus. Section: Ozophyllum. Common name: Jointed Rush. Phenology: Jul-Sep. Habitat: Interdune swales, maritime wet grasslands, marshes, calcareous seepage wetlands, wet open ground, stream banks, gravel bars. Distribution: Nearly cosmopolitan; in North America from NL (Newfoundland) to AK, south to e. MD (Knapp et al. 2011), e. NC (Cape Hatteras, Dare County) (Sorrie & LeBlond 2008), s. WV, sw. VA, and CA.

ID notes: Much like J. acuminatus but distinguished by having 6 stamens, and a subtly more robust and stout habit. The presence of rhizomes connecting the cespitose plants immediately separates this from J. acuminatus.

Origin/Endemic status: Native

Synonymy ⓘ: = Can; = Juncus articulatus L. — AqW, C, FNA22, G, GrPl, Il, K4, Mi, NE, NY, Pa, RAB, Va, WV; = n/a — Tat; = Verojuncus articulatus (L.) Záv.Drábk. & Proćków — Proćków & Záveská Drábková (2023); > Juncus articulatus L. var. articulatus — F; > Juncus articulatus L. var. obtusatus Engelm. — F. Basionym: Juncus articulatus L. 1753

Links to other floras: = Juncus articulatus - 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 ⓘ: 9