Zannichellia palustris

Tracheophyta MagnoliopsidaZannichelliaceaeZannichelliaZannichellia palustris

Ecology

This submerged, perennial aquatic grows in a range of shallow-water habitats. The most characteristic include clear chalk streams, eutrophic lakes and ponds, and brackish lagoons, ponds and ditches. It is a frequent colonist of disused mineral workings. 0-380 m (Llynheilyn, Rads.).

Status

Native

World Distribution

Circumpolar Southern-temperate element.

Broad Habitats

Light (Ellenberg): 7

Moisture (Ellenberg): 12

Reaction (Ellenberg): 8

Nitrogen (Ellenberg): 7

Salt Tolerance (Ellenberg): 2

January Mean Temperature (Celsius): 3.8

July Mean Temperature (Celsius): 15.5

Annual Precipitation (mm): 820

Length: 50

Perennation - primary

Perennial

Life Form - primary

Perennial hydrophyte (perennial water plant)

Woodiness

Herbaceous

Clonality - primary

Irregularly fragmenting (mainly water plants)

Clonality - secondary

Rhizome far-creeping

Count of 10km squares in Great Britain: 1196

Count of 10km squares in Ireland: 206

Count of 10km squares in the Channel Isles: 5

Atlas Change Index: 0.17

Weighted Changed Factor: -10

Weighted Change Factor Confidence (90%)

50

JNCC Designations

NBNSYS0000002150