Baldellia ranunculoides

Tracheophyta MagnoliopsidaAlismataceaeBaldelliaBaldellia ranunculoides


This perennial herb is restricted to habitats at the water`s edge, where potential competitors are restricted by fluctuating water levels, disturbance or moderate exposure. It usually grows in mildly to strongly calcareous or brackish waters, over a range of organic or inorganic substrates. 0-320 m (W. of Libanus, Brecs.).



World Distribution

Suboceanic Southern-temperate element.

© C. Eccleston, IWNHAS

Broad Habitats

Light (Ellenberg): 8

Moisture (Ellenberg): 10

Reaction (Ellenberg): 6

Nitrogen (Ellenberg): 2

Salt Tolerance (Ellenberg): 0

January Mean Temperature (Celsius): 4.1

July Mean Temperature (Celsius): 15.1

Annual Precipitation (mm): 974

Height (cm): 20

Length: 20

Perennation - primary


Life Form - primary

Perennial hydrophyte (perennial water plant)



Clonality - primary

Little or no vegetative spread

Clonality - secondary

Far-creeping by stolons in illuminated medium

Comment on Clonality

Also (3rd form of clonality) by proliferous inflorescens

Count of 10km squares in Great Britain: 536

Count of 10km squares in Ireland: 344

Count of 10km squares in the Channel Isles: 6

Atlas Change Index: -1.08

JNCC Designations