
Long ribbon leaves that spread by runners; a great background plant.
Check your local laws. New Zealand: eel grass, Vallisneria australis (NZ authorities list V. spiralis and V. gigantea as synonyms), is an Unwanted Organism and on the National Pest Plant Accord. It cannot be sold, propagated or distributed there. Never throw it into ponds, rivers or drains.
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Animals that leave it alone