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Northern Prairie Wildlife Research Center

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Aquatic and Wetland Vascular Plants of the Northern Great Plains

60. Lemnaceae, the Duckweed Family

1. Lemna L. -- Duckweed

1. Lemna aequinoctialis Welw.

Very similar to L. perpusilla (see below) except with only 1 prominent papilla above the node on the upper surface. Seeds brownish, with 8-22 prominent ribs, falling from the fruit at maturity. Uncommon in se NE; (Tropical to mild temperate regions of the world).
GIF- Distribution Map

Map key

Return to Family -- Lemnaceae - The Duckweed Family
Next Section -- Lemna gibba L.

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