Baltic stonewort Chara baltica

Status Red - Endangered & Critically Endangered
Best Time to See
Habitat Coastal

A simple water plant with whorls of narrow leaf-like branches along its length.

It is often up to 90 cm long, and is scattered with small bristles.


It is found at four sites in the Norfolk Broads as well as at four other British coastal sites.


Sand in pools and ponds near the sea, favouring slightly salty water.


Classified as Endangered.

Key threats

It is mainly threatened by nutrient enrichment caused by fertilisers, but can also be smothered by stronger water plants, particularly invasive aliens.