Cyperaceae
Squarestem spikerush
Eleocharis quadrangulata
- Family
- Cyperaceae
- Genus
- Eleocharis
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Common names
By language (1)
- English
- Squarestem spikerush
Synonyms
- Eleocharis quadrangulata var. crassior Fernald
- Eleocharis quadrangulata var. quadrangulata
- Eleocharis quadrangulata var. typica Fernald
- Limnochloa quadrangulata (Michx.) Nees
- Scirpus quadrangulatus Michx.
Flowers
- Flower colour
- green (USDA PLANTS Database)
Characteristics
- Growth habit
- Graminoid
- Lifespan
- Perennial
- In the US and Canada
- Canada: native, Lower 48 states: native
Photos

Photo: Photo by David J. Stang, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Photo by David J. Stang, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Photo by David J. Stang, CC BY-SA 4.0, from Wikimedia Commons
More in Eleocharis
- Chinese water chestnutEleocharis dulcisCyperaceae
- Needle spikerushEleocharis acicularisCyperaceae
- Common spikerushEleocharis palustrisCyperaceae
- Dwarf spikerushEleocharis parvulaCyperaceae
- Fewflower spikerushEleocharis quinquefloraCyperaceae
- Onescale spikerushEleocharis uniglumisCyperaceae
- Ovate spikerushEleocharis ovataCyperaceae
- Many-stalked spike-rushEleocharis multicaulisCyperaceae
- Soft-stem spikerushEleocharis mamillataCyperaceae
- Purple spikerushEleocharis atropurpureaCyperaceae
- Canada spikesedgeEleocharis geniculataCyperaceae
- Jointed spikesedgeEleocharis equisetoidesCyperaceae
Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.