New Zealand Pigmyweed

Crassula helmsii

Description:
New Zealand Pigmyweed
Facts:

Originally introduced as an aquarium plant it spread very rapidly when it was discarded into the wild. It can form dense mats of plants that choke the native aquatic plants and can also block sluices leading to drainage problems and flooding.

Introduced:

1950s
Origin:
Australasia
Location:
Ponds, canals etc. Well naturalised in many parts of Southern England and the Channel Isles. Also found in Scotland and Northern Ireland
Status:
Increasing
Problems:
Comments:
Chokes waterways and shades out native aquatic plants.