Lagarosiphon major

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Lagarosiphon major
Scientific classification edit
Kingdom: Plantae
Clade: Angiosperms
Clade: Monocots
Order: Alismatales
Family: Hydrocharitaceae
Genus: Lagarosiphon
L. major
Binomial name
Lagarosiphon major
Ridl. Moss ex Wager

Elodea crispa

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.[1] In New Zealand it is listed on the National Pest Plant Accord and is classed as a noxious weed in the United States.[2]


Ireland: Co.Galway in parts of upper Lough Corrib.[3]


  1. ^ Global Invasive Species Database - Lagarosiphon major entry
  2. ^ "Plants Profile for Lagarosiphon major (oxygen-weed)". Retrieved 2017-01-31.
  3. ^ Pybus, C. and O'Halloran, P. 2009. Distribution of some submerged aquatic macrophytes in the Eglinton Canal. Ir Nat. J. 30: 51-53.