Taxon  Report   2591 
Cyperus rotundus  L.
Cyperus rotundus
© 2005 Luigi Rignanese
Click on a photo to see it bigger.
Cyperus rotundus
© 2005 Luigi Rignanese
Cyperus rotundus
© 2007 Luigi Rignanese
Cyperus rotundus, a monocot, is a perennial grasslike herb that is not native to California; it was introduced from elsewhere and naturalized in the wild.

Interactive Distribution Map

Observation Hotline
(observation details + photos)

point, line, or polygon

one or more occurrences
within a 7.5-minute quadrangle

Plant Characteristics
and Associations

Bloom Period
Cyperus rotundus
© 2005 Luigi Rignanese
Genus: Cyperus
weed, characteristic of disturbed places, wetland-riparian
Habitat: disturbed [Walker]
Wetlands:Equally likely to occur in wetlands or non wetlands [U.S. Fish & Wildlife Service.]
Name Status:
Accepted by TJM2 + PLANTS + JM93
More information about  Cyperus rotundus
Photos on CalPhotos / Google Images
UC Integrated Pest Management Weed Photo Gallery
(profile of this plant as an agricultural weed)

Jepson eFlora

Records from the Consortium of California Herbaria

Original Publication citation (ITIS)


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]. 2016. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Oct 23, 2016).

The information on this page comes from diverse sources. None of the links are sponsored.