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Iris pseudacorus
pale yellow iris Iris Family
Iris pseudacorus Iridaceae
common names
  pale yellow iris
  yellow flag
accepted scientific name
  Iris pseudacorus L.
rules for finding collection records
  Iris pseudacorus (957)
family name
Image Author: ©2009 H. Zell
Image License: CC BY-SA
Image Source Image Source
Category: Wildflowers
Flowers: Six petals
Petal colors: color
Flower size is 2.75 to 4. inches
Leaf: Basal
Plant Observed 3rd week of March thru end of September
Not Native. Invasive in CT, MA, NH, WA. Noxious weed in MT, OR.

How Likely at this Location (30%)
Name Match (100%)
Plant Showiness (100%)
base map where plant found
mag select

grid lines base