Taxon  Report   2582    
Cyperus erythrorhizos  Muhl.
Red rooted cyperus,  Redroot flatsedge
Cyperus erythrorhizos
© 2015 Keir Morse
Photos from
CalPhotos / Calflora
Cyperus erythrorhizos
© 2003 Keir Morse
Cyperus erythrorhizos
© 2003 Steve Matson
Cyperus erythrorhizos, a monocot, is an annual grasslike herb that is native to California, is also found elsewhere in North America and beyond.

Interactive Distribution Map

Observation Hotline
(observation details)

point, line, or polygon

Plant Characteristics
and Associations

Bloom Period
Cyperus erythrorhizos
© 2015 Keir Morse
Genus: Cyperus
Communities: wetland-riparian

Wetlands: Occurs in wetlands

Name Status:
Accepted by JEF + PLANTS

Alternate Names:
PLANTS: Cyperus halei
More information about  Cyperus erythrorhizos
Nursery / seed vendor availability from CNPLX
This plant is available commercially.
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 20, 2019).