Centre for Biodiversity & Ecology Research

Department of Biological Sciences, School of Science & Engineering

The University of Waikato, Hamilton, New Zealand

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Oxygen weeds

There are three common oxygen weeds in the Waikato region. These are Elodea canadensis, Lagarosiphon major, and Egeria densa. These species look superficially similar, but can be distinguished by the arrangement of their leaves.


Mason, R. 1964. Aquatic weed identification in new Zealand. Pages 229-250 in Proceedings of the 17 New Zealand Weed and Pest Control Conference.