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Lagarosiphon major
Also called Curly Waterweed, African Elodea, South African Oxygen Weed, Coarse Oxygen Weed, Lakeweed
Oxygen-weed is a submerged aquatic plant from southern Africa, grown in aquariums and ponds but invasive in many countries. Keep it in water and never release it into the wild.
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. It is classed as a noxious weed in the United States. It was first reported in New Zealand in 1950 and it is listed on the National Pest Plant Accord. Lagarosiphon major was added to the European Union's
In Ireland, it is found in County Galway in parts of upper Lough Corrib. In New Zealand, it has naturalised across waterways in the North Island and it is locally abundant and spreading in parts of the South Island.
Text excerpted from the Wikipedia article Lagarosiphon major by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
