Index / Search / Iris pseudacorus
§1 Plant
Iris pseudacorus L.
vernacular paleyellow iris — species · Iridaceae
§2Habit & range
Habit and range
- Growth habit
- Forb/herb
- Duration
- Perennial
- Group
- Monocot
- Family
- Iridaceae Juss.
- Genus
- Iris
§2a
Native status, by region
- CAN Canada Introduced
- L48 Lower 48 States Introduced
§2b
County-level range
· 325 counties across 39 states/territories§3Cultivation
No cultivation specs.
USDA has not characterised this taxon. Roughly four out of five plants in the database lack the detailed cultivation record present here — typically because they have not been the focus of NRCS Plant Materials work. Range and distribution data are unaffected.
§4Counties, by state
Recorded in 325 counties across 39 states/territories.
Alabama view state ↗ 1 I ▾
Arkansas view state ↗ 5 I ▾
California view state ↗ 14 I ▾
Delaware view state ↗ 2 I ▾
District of Columbia view state ↗ 1 I ▾
Florida view state ↗ 1 I ▾
Georgia view state ↗ 1 I ▾
Idaho view state ↗ 4 I ▾
Illinois view state ↗ 16 I ▾
Indiana view state ↗ 2 I ▾
Kansas view state ↗ 2 I ▾
Kentucky view state ↗ 12 I ▾
Louisiana view state ↗ 14 I ▾
Maine view state ↗ 2 I ▾
Maryland view state ↗ 5 I ▾
Massachusetts view state ↗ 12 I ▾
Michigan view state ↗ 11 I ▾
Minnesota view state ↗ 5 I ▾
Missouri view state ↗ 6 I ▾
Montana view state ↗ 2 I ▾
Nebraska view state ↗ 1 I ▾
Nevada view state ↗ 1 I ▾
New Hampshire view state ↗ 4 I ▾
New Jersey view state ↗ 17 I ▾
New York view state ↗ 29 I ▾
- Bronx 36005
- Cattaraugus 36009
- Chautauqua 36013
- Columbia 36021
- Dutchess 36027
- Erie 36029
- Genesee 36037
- Herkimer 36043
- Madison 36053
- Montgomery 36057
- Nassau 36059
- New York 36061
- Niagara 36063
- Orange 36071
- Oswego 36075
- Putnam 36079
- Queens 36081
- Rockland 36087
- Saratoga 36091
- Schenectady 36093
- Schuyler 36097
- St. Lawrence 36089
- Suffolk 36103
- Tioga 36107
- Tompkins 36109
- Warren 36113
- Washington 36115
- Wayne 36117
- Westchester 36119
North Carolina view state ↗ 8 I ▾
Ohio view state ↗ 1 I ▾
Oklahoma view state ↗ 1 I ▾
Oregon view state ↗ 10 I ▾
Pennsylvania view state ↗ 24 I ▾
- Allegheny 42003
- Bedford 42009
- Berks 42011
- Blair 42013
- Bucks 42017
- Butler 42019
- Centre 42027
- Chester 42029
- Crawford 42039
- Cumberland 42041
- Dauphin 42043
- Delaware 42045
- Erie 42049
- Huntingdon 42061
- Lehigh 42077
- Lycoming 42081
- Mercer 42085
- Montgomery 42091
- Northampton 42095
- Philadelphia 42101
- Somerset 42111
- Venango 42121
- Warren 42123
- Wyoming 42131
Rhode Island view state ↗ 2 I ▾
Tennessee view state ↗ 13 I ▾
Texas view state ↗ 6 I ▾
Utah view state ↗ 2 I ▾
Vermont view state ↗ 6 I ▾
Virginia view state ↗ 33 I ▾
- Albemarle 51003
- Arlington 51013
- Bath 51017
- Bland 51021
- Charles City 51036
- Chesterfield 51041
- Dickenson 51051
- Fairfax 51059
- Fauquier 51061
- Frederick 51069
- Giles 51071
- Gloucester 51073
- Henrico 51087
- James City 51095
- King George 51099
- Loudoun 51107
- Montgomery 51121
- New Kent 51127
- Prince George 51149
- Prince William 51153
- Pulaski 51155
- Richmond 51159
- Russell 51167
- Scott 51169
- Smyth 51173
- Stafford 51179
- Surry 51181
- Tazewell 51185
- Washington 51191
- Westmoreland 51193
- Wise 51195
- Wythe 51197
- York 51199
Washington view state ↗ 24 I ▾
- Chelan 53007
- Clallam 53009
- Cowlitz 53015
- Ferry 53019
- Grant 53025
- Grays Harbor 53027
- Island 53029
- Jefferson 53031
- King 53033
- Kitsap 53035
- Kittitas 53037
- Lewis 53041
- Mason 53045
- Pacific 53049
- Pend Oreille 53051
- Pierce 53053
- San Juan 53055
- Skagit 53057
- Snohomish 53061
- Stevens 53065
- Thurston 53067
- Wahkiakum 53069
- Walla Walla 53071
- Whatcom 53073
West Virginia view state ↗ 14 I ▾
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/IRPS ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/5298231 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T20:46:58Z