Sisyrinchium bermudiana

Tracheophyta MagnoliopsidaIridaceaeSisyrinchiumSisyrinchium bermudiana


A perennial herb of wet meadows, ditches and lake-shores. Lowland.



World Distribution

Oceanic Wide-temperate element; in Europe restricted to Ireland as a native but widespread in N. America.

Broad Habitats

Light (Ellenberg): 8

Moisture (Ellenberg): 8

Reaction (Ellenberg): 6

Nitrogen (Ellenberg): 3


Salt Tolerance (Ellenberg): 0

January Mean Temperature (Celsius): 4.5

July Mean Temperature (Celsius): 14.4

Annual Precipitation (mm): 1290

Life form information

Height (cm): 23

Perennation - primary


Life Form - primary




Clonality - primary

Little or no vegetative spread

Count of 10km squares in Great Britain: 0

Count of 10km squares in Ireland: 43

Count of 10km squares in the Channel Isles: 0

Atlas Change Index: -1.8

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 (328d)
Curtis TGF, McGough HN
1988.  The Irish Red Data Book. 1. Vascular Plants.