Iris pseudacorus
Iris pseudacorus
(yellow iris)

48 results for Iris pseudacorus (yellow iris)
Download Data
Click here for listing in all states

Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1655009 MDAlleganyAllegany County, US-MD, US2020 02070002 North Branch Potomacestablished
1654995 MDAnne ArundelAnne Arundel County, MD, USA2020 02060003 Gunpowder-Patapscoestablished
1654997 MDAnne ArundelOdenton Natural Area, Odenton, MD, US2020 02060006 Patuxentestablished
1654992 MDAnne ArundelPasadena, MD 21122, USA2020 02060004 Severnestablished
1655002 MDAnne ArundelSt. John's College, Annapolis, MD, US2020 02060004 Severnestablished
234323 MDAnne ArundelTown of Severna Park, Cypress Creek, bog at the head of creek near Ritchie HWY and Rte 21992 02060004 Severnestablished
1654926 MDBaltimore18624 York Rd, Parkton, MD, US2019 02060003 Gunpowder-Patapscoestablished
1655000 MDBaltimoreCockeysville, MD, USA2020 02060003 Gunpowder-Patapscoestablished
1654999 MDBaltimoreLansdowne, MD, USA2020 02060003 Gunpowder-Patapscoestablished
1654891 MDBaltimorePark not green, Baltimore, MD 21224, USA2018 02060003 Gunpowder-Patapscoestablished
1654982 MDCalvertBreeden Rd, Lusby, MD, US2020 02060006 Patuxentestablished
1654989 MDCarolineCaroline County, MD, USA2020 02060005 Choptankestablished
1654988 MDCarolineFederalsburg, MD 21632, USA2020 02080109 Nanticokeestablished
1655004 MDCarrollPiney Run Park, Sykesville, MD, US2020 02060003 Gunpowder-Patapscoestablished
1655001 MDCarrollSykesville, MD, US2020 02060003 Gunpowder-Patapscoestablished
234363 MDCecilElk Neck State Park1973 02060002 Chester-Sassafrasestablished
1654921 MDCharles11855 Dowes Rd, Nanjemoy, MD 20662, USA2019 02070011 Lower Potomacestablished
1654922 MDCharlesChapel Point State Park, Port Tobacco, MD, US2019 02070011 Lower Potomacestablished
1654976 MDCharlesFenwick Rd, Bryans Road, MD, US2020 02070010 Middle Potomac-Anacostia-Occoquanestablished
1654978 MDCharlesNanjemoy, MD 20662, USA2020 02070011 Lower Potomacestablished
1419121 MDDorchesterElliott Island, along Wharf Road, 0.1 miles south of Elliott Island Road, at edge of salt marsh2015 02080110 Tangierestablished
1418761 MDDorchesterShoal Creek at Heron Blvd, River Marsh Golf Club2017 02060005 Choptankestablished
234345 MDDorchesterVienna, 0.2 mi S of, on Vienna Henry's Crossroad, in marsh adjacent to unnamed tributary to Nanticoke River1992 02080109 Nanticokeestablished
234364 MDFrederickBraddock Mtn, pond edge, Rte 5 and US 40A W of Frederick1969 02070009 Monocacyestablished
234339 MDFrederickCamp Catoctin, Tower Rd. off Mink Farm Rd, in water near edge of pond1994 02070009 Monocacyestablished

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 [6/4/2023].

Contact us if you are using data from this site for a publication to make sure the data are being used appropriately and for potential co-authorship if warranted.

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