Taxon  Report   2920    
Eleocharis quadrangulata  (Michx.) Roem. & Schult.
Four angled spikerush,  Squarestem spikerush
Eleocharis quadrangulata
© 2014 Zoya Akulova
Photos from
CalPhotos / Calflora
Eleocharis quadrangulata
© 2004 Steve Matson
Eleocharis quadrangulata
© 2014 Zoya Akulova
Eleocharis quadrangulata, a monocot, is a perennial grasslike herb that is native to California, is also found outside of California, but is confined to North America.

Interactive Distribution Map

Observation Hotline
(observation details)

point, line, or polygon

Plant Characteristics
and Associations

Bloom Period
Eleocharis quadrangulata
© 2004 Steve Matson
Genus: Eleocharis
Communities: Freshwater Wetlands, wetland-riparian

Wetlands: Occurs in wetlands

Habitat: freshwater-marsh

Name Status:
Accepted by JEF + PLANTS

Alternate Names:
PLANTS: Eleocharis quadrangulata var. crassior
PLANTS: Scirpus quadrangulatus
More information about  Eleocharis quadrangulata
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on   /   Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

ITIS Original Publication citation


Search the International Plants Names Index

Search (Flora of North America)

website references from Google

Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria. [web application]. 2019. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: Jan 24, 2019).