Iris versicolor

Tracheophyta MagnoliopsidaIridaceaeIrisIris versicolor


A rhizomatous perennial herb which is naturalised in reed swamps and by lakes, ponds and streams. It arises from deliberate planting, or as a garden escape or throw-out. Lowland.



World Distribution

Native of eastern N. America.

Atlas Change Index: 0.62

Distribution information

JNCC Designations


PLANTATT - Attributes of British and Irish plants. (.zip 1455KB) This dataset was compiled and published in 2004, and last updated in November 2008. Download includes an Excel spreadsheet of the attributes, and a PDF explaining the background and nomenclature. Note that the PDF version is the booklet as published, whereas the Excel spreadsheet incorporates subsequent corrections. A hardcopy can be purchased from the Centre for Ecology and Hydrology.

Atlas text references

Atlas (329a)