Juncus acutiflorus

Tracheophyta MagnoliopsidaJuncaceaeJuncusJuncus acutiflorus

Ecology

This species is usually tall and erect, and more extensively rhizomatous than J. articulatus. It occurs in wet or damp habitats on acidic soils, frequently at a lower pH than is tolerated by J. articulatus, particularly in damp meadows and pastures, marshes, bogs, wet heathland, and by ditches and ponds. 0?685 m (Mangerton, S. Kerry).

Status

Native

World Distribution

European Temperate element; also in N. America.

Broad Habitats

Fen, marsh and swamp (not wooded)

Light (Ellenberg): 8

Moisture (Ellenberg): 8

Reaction (Ellenberg): 4

Nitrogen (Ellenberg): 2

Salt Tolerance (Ellenberg): 0

January Mean Temperature (Celsius): 3.5

July Mean Temperature (Celsius): 14.5

Annual Precipitation (mm): 1115

Height (cm): 100

Perennation - primary

Perennial

Life Form - primary

Hemicryptophyte

Woodiness

Herbaceous

Clonality - primary

Rhizome far-creeping

Count of 10km squares in Great Britain: 2498

Count of 10km squares in Ireland: 845

Count of 10km squares in the Channel Isles: 11

Atlas Change Index: 1.16

Weighted Changed Factor: 27

Weighted Change Factor Confidence (90%)

20

JNCC Designations

NBNSYS0000002230