Search Result for "star-duckweed": 
Wordnet 3.0

NOUN (1)

1. cosmopolitan in temperate regions except North America;
[syn: star-duckweed, Lemna trisulca]



WordNet (r) 3.0 (2006):

star-duckweed
    n 1: cosmopolitan in temperate regions except North America
         [syn: star-duckweed, Lemna trisulca]