Lagarosiphon major (Ridley) Moss (ITIS)
Oxygen weed, Lagarosiphon, African elodea, curly waterweed
Southern Africa (Bickel 2011)
Spread through the world by the aquarium trade (Bickel 2011)
Has invaded New Zealand and Europe. It can inhabit freshwater lakes, dams and slow moving streams. Forms dense mats that block sunlight, thereby killing native aquatic plant and animal species, which could rival the harmful effects of hydrilla (Csurhes and Edwards 1998)
Not currently established
Find more images
The section below contains highly relevant resources for this species, organized by source.
State and Local Government
Bickel, T.O. 2011. Lagarosiphon major (Ridley) Moss ex Wager (Curly Water Weed). In: Francis, R.A. (Ed.). A Handbook of Global Freshwater Invasive Species (1st ed.). Routledge.
Csurhes, S. and R. Edwards. 1998. Potential Environmental Weeds in Australia: Candidate Species for Preventative Control [PDF, 1.3 MB]. Environment Australia.
Integrated Taxonomic Information System. Lagarosiphon major. [Accessed Mar 5, 2015].