Utricularia minor

Tracheophyta MagnoliopsidaLentibulariaceaeUtriculariaUtricularia minor


A perennial herb of nutrient-poor, acidic, or sometimes base-rich, shallow water in bog pools and abandoned peat cuttings, at the edges of lakes amongst emergent vegetation, in ditches and small ponds, and in fens. 0-600 m (Haystacks Tarn, Cumberland), and possibly to 685 m in Scotland.



World Distribution

Circumpolar Boreo-temperate element.

Broad Habitats

Light (Ellenberg): 8

Moisture (Ellenberg): 12

Reaction (Ellenberg): 4

Nitrogen (Ellenberg): 2


Salt Tolerance (Ellenberg): 0

January Mean Temperature (Celsius): 3.6

July Mean Temperature (Celsius): 13.9

Annual Precipitation (mm): 1321

Length: 40

Perennation - primary


Life Form - primary

Perennial hydrophyte (perennial water plant)



Clonality - primary

Detaching ramets above ground (often axillary)

Distribution information

Count of 10km squares in Great Britain: 628

Count of 10km squares in Ireland: 377

Count of 10km squares in the Channel Isles: 1

Atlas Change Index: 0.2

Weighted Changed Factor: 17

Weighted Change Factor Confidence (90%)


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 (240a)
Hultén E, Fries M
1986.  Atlas of north European vascular plants north of the Tropic of Cancer. 3 vols.
Meusel H, Jäger E, Rauschert S, Weinert E
1978.  Vergleichende Chorologie der zentraleuropäischen Flora. Volume 2. 2 vols.
Preston CD, Croft JM
1997.  Aquatic plants in Britain and Ireland.