Lagarosiphon major is a monocotic aquatic plant native to Southern Africa. Common names include African elodea, curly waterweed, oxygen weed and South African oxygen weed. It is used as freshwater aquarium plant.
It is an invasive plant in some countries.Global Invasive Species Database - Lagarosiphon major entry In New Zealand it is listed on the National Pest Plant Accord, and it is classed as a noxious weed in the United States. Lagarosiphon major was added to the European Union's List of Invasive Alien Species of Union concern on 3 August 2016, meaning that – amongst other things – it is illegal to sell it anywhere in the European Union or to dump it in the environment.
Distribution Ireland: Co.Galway in parts of upper Lough Corrib.Pybus, C. and O'Halloran, P. 2009. Distribution of some submerged aquatic macrophytes in the Eglinton Canal. Ir. Nat. J. 30: 51-53.
References
External links Global Invasive Species Database Species Profile - Oxygen Weed (Lagarosiphon major). National Invasive Species Information Center, United States National Agricultural Library