Eleocharis geniculata (Linnaeus) Roemer & J.A. Schultes. Subgenus: Eleocharis. Section: Eleogenus. Series: Maculosae. Subseries: Rigidae. Phenology: Jun-Sep. Habitat: Marshes, moist disturbed areas. Distribution: Widespread but scattered across much of the United States; West Indies, Central America, South America, Asia, Africa. Known from a single Bissell collection from Presque Isle, PA (S. Grund, pers. comm.; 2024)
Origin/Endemic status: Native
Synonymy ⓘ: = Can, ETx1, F, FNA23, G, GW1, Il, K4, Mex, Mi, NcTx, NS, Pa, POWO, WH3; > Eleocharis caribaea (Rottb.) S.F.Blake — Bah, C, GrPl, RAB, S, Tx; Scirpus geniculatus Linnaeus — (basionym)
Links to other floras: = Eleocharis geniculata - FNA23
Wetland Indicator Status:
- Atlantic and Gulf Coastal Plain: FACW
- Great Plains: FACW
- Midwest: FACW
- Northcentral & Northeast: OBL
Heliophily ⓘ: 9
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