Trifolium micranthum

Tracheophyta MagnoliopsidaFabaceaeTrifoliumTrifolium micranthum


A winter-annual of neutral or moderately acidic soils, found on the coast in open, sandy or gravelly grassland rich in annuals and inland in drought-prone pastures, on paths and verges, and as a weed in lawns. It is tolerant of grazing, mowing and heavy trampling. Generally lowland, but reaching 365 m near Bowes (N.W. Yorks.).



World Distribution

Submediterranean-Subatlantic element; widely naturalised outside its native range.

© G. Toone, IWNHAS

Broad Habitats

Light (Ellenberg): 8

Moisture (Ellenberg): 5

Reaction (Ellenberg): 5

Nitrogen (Ellenberg): 5


Salt Tolerance (Ellenberg): 0

January Mean Temperature (Celsius): 4.1

July Mean Temperature (Celsius): 15.9

Annual Precipitation (mm): 848

Life form information

Height (cm): 7

Perennation - primary


Life Form - primary

Therophyte (annual land plant)



Clonality - primary

Little or no vegetative spread

Distribution information

Count of 10km squares in Great Britain: 909

Count of 10km squares in Ireland: 52

Count of 10km squares in the Channel Isles: 13

Atlas Change Index: 0.62

Weighted Changed Factor: 45

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