Taxon  Report   4358 
Iris pseudacorus  L.
Horticultural iris,  Paleyellow iris, Water iris
Iris pseudacorus
© 2001 Nick Kurzenko
More photos from
CalPhotos / Calflora
Iris pseudacorus
© 2014 Dr. Amadej Trnkoczy
Iris pseudacorus
© 2014 Dr. Amadej Trnkoczy
Iris pseudacorus, a monocot, is a perennial herb that is not native to California; it was introduced from elsewhere and naturalized in the wild. Cal-IPC rating: Limited

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
Iris pseudacorus
© 2018 Brian Charles
Genus: Iris
agricultural weed, wetland-riparian
Habitat: disturbed
Wetlands: Occurs in wetlands
Toxicity: MINOR, DERMATITIS   [California Poison Control System]    
Name Status:
Accepted by JEF + PLANTS + JM93
More information about  Iris pseudacorus
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]. 2018. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Sep 25, 2018).

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