Northern Prairie Wildlife Research Center
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).
Return to Family -- Lemnaceae - The
Next Section -- Lemna gibba L.