USGS - science for a changing world

Northern Prairie Wildlife Research Center

  Home About NPWRC Our Science Staff Employment Contacts Common Questions About the Site

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.

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo USA.gov logo U.S. Department of the Interior | U.S. Geological Survey
URL: http://www.npwrc.usgs.gov/resource/plants/vascplnt/species/laeq.htm
Page Contact Information: Webmaster
Page Last Modified: Saturday, 02-Feb-2013 06:43:57 EST
Menlo Park, CA [caww54]