Calflora Taxon Report
Iris pseudacorus L.
Horticultural iris, Paleyellow iris, Yellowflag iris, Water iris
Iris pseudacorus is a perennial herb that is not native to California.
Cal-IPC rating: limited
Alternate Names and Sources:
None
Siskiyou Del Norte Modoc Humboldt Shasta Lassen Trinity Plumas Tehama Butte Mendocino Glenn Sierra Yuba Lake Nevada Colusa Placer Sutter El Dorado Yolo Alpine Napa Sonoma Sacramento Mono Amador Solano Calaveras Tuolumne San Joaquin Marin Contra Costa Alameda Santa Cruz Mariposa Madera San Francisco San Mateo Merced Fresno Stanislaus Santa Clara Inyo San Benito Tulare Kings Monterey San Bernardino San Luis Obispo Kern Santa Barbara Ventura Los Angeles Riverside Orange San Diego Imperial
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Bloom Period
redone or more occurrences
within a 7.5-minute quadrangle
The blue points on the map indicate observations in Calflora.
Click on the map to view observations within a specific county.
Potential Range Plant Characteristics Location Suitability
Observations: ~629 records Add an Observation to Calflora Search for Iris pseudacorus
Name Status:
Accepted by: JEPS + PLANTS + POWO
Calflora Category:
angiosperm
Jepson eFlora section:
monocot
USDA PLANTS group:
Monocot
Toxicity:
Do not eat the leaf or underground parts of this plant.
Wetlands:
Occurs in wetlands
Habitat:
disturbed
Communities:
wetland-riparian, agricultural weed

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Additional Photos on Calflora
External links:
Jepson eFlora Taxon Page USDA Plant Profile Consortium of California Herbaria (CCH2) Integrated Taxonomic Info System (ITIS) International Plants Names Index (IPNI) Cal-IPC Profile rating: limited
CalPhotos (UC Berkeley) iNaturalist

[Wikipedia] Europe, Asia, Africa Native: Iris pseudacorus, the yellow flag, yellow iris, or water flag, is a species of flowering plant in the family Iridaceae. It is native to Europe, western Asia and northwest Africa. (link added by Mary Ann Machi)

Suggested Citation
“Calflora - Taxon Report.” The Calflora Database, a non-profit organization. .

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