Iris pseudacorus
Iris pseudacorus
(yellow iris)

149 results for Iris pseudacorus (yellow iris)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
229271 CA Islets in the Delta1979 18040003 San Joaquin Deltaestablished
229269 CA South San Joaquin Valley1993 18040000 San Joaquinestablished
1437479 CAAlameda[No locality description provided]2015 18050002 San Pablo Bayestablished
229268 CAAlamedaSan Francisco Bay Area1993 18050004 San Francisco Bayestablished
1409476 CAButteAlong the Diversion Pool adjacent to the Brad Freeman Trail2017 18020159 Honcut Headwaters-Lower Featherestablished
1438984 CAButteCollected in backyard pond from house on Floral Avenue in Chico. Plants in turn were collected from another Chico home and they in turn were collected from margins of Edgar Slough (Comanche Creek) next to Hwy 99, south Chico.2004 18020158 Butte Creekestablished
247635 CAButteComanche Creek and Edgar Slough near Chico2004 18020158 Butte Creekestablished
1437638 CAContra CostaAlong Clifton Court Near Clifton Court Forebay.2007 18040003 San Joaquin Deltaestablished
1464226 CAContra CostaBig Break Marina edge by boat launch2017 18040003 San Joaquin Deltaestablished
259127 CAContra CostaClifton Court Forebay2007 18040003 San Joaquin Deltacollected
232595 CAContra CostaFranks tract in the delta of the San Joaquin River1970 18040003 San Joaquin Deltaestablished
259126 CAContra CostaPittsburg Marina1991 18050001 Suisun Baycollected
1437403 CAContra CostaPittsburg Marina1991 18050001 Suisun Bayestablished
1464228 CAContra CostaRiprap levee toe edge where Little Dutch Slough meets Dutch Slough2018 18040003 San Joaquin Deltaestablished
1463680 CAContra CostaRiprap levee toe edge where Little Dutch Slough meets Dutch Slough2018 18040003 San Joaquin Deltaestablished
232597 CAContra CostaRock Slough, about 1.2 miles east of junction with Sand Mound Slough1969 18040003 San Joaquin Deltaestablished
1438678 CAContra CostaSacramento River Delta; Accessible by boat from Port of Stockton.1980 18050001 Suisun Bayestablished
232596 CAContra CostaSand Mound Slough, about 1.3 miles southwest of Franks Tract1969 18040003 San Joaquin Deltaestablished
232598 CAContra Costasouthwest corner of Quimby Island1969 18040003 San Joaquin Deltaestablished
1439631 CAEl Dorado[No locality description provided]2011 18020128 North Fork Americanestablished
1439716 CAEl DoradoIn the pond by Vikingsholm Castle2016 16050101 Lake Tahoeestablished
1438519 CAHumboldtState Highway HUM 36 at postmile 7.07 to 7.0 westbound, approximately 10 feet from edge of pavement to ~ 120 feet from pavement.2014 18010105 Lower Eelestablished
1436877 CAKernAlong Highway 178, on the west side of the highway, across from Canebrake Creek.2015 18030002 South Fork Kernestablished
1439833 CAKernAlong Hwy. 178, at mouth of Cow Canyon, SW side of Canebrake Creek, about 4 miles NW of Jacks Creek Rd.2016 18030002 South Fork Kernestablished
232592 CAKernMettlers Station1970 18030003 Middle Kern-Upper Tehachapi-Grapevineestablished

Data Disclaimer: Number of records does not imply species abundance. This summary represent collection records only and may not reflect the actual distribution of established populations. These data are preliminary or provisional and are subject to revision. They are being provided to meet the need for timely best science. The data have not received final approval by the U.S. Geological Survey (USGS) and are provided on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from the authorized or unauthorized use of the data.


The data represented on this site vary in accuracy, scale, completeness, extent of coverage and origin. It is the user's responsibility to use these data consistent with their intended purpose and within stated limitations. We highly recommend reviewing metadata files prior to interpreting these data.

Citation information: U.S. Geological Survey. [2023]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [5/31/2023].

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For general information and questions about the database, contact Wesley Daniel. For problems and technical issues, contact Matthew Neilson.