WordNet (r) 3.0 (2006):

Leucanthemum vulgare
    n 1: tall leafy-stemmed Eurasian perennial with white flowers;
         widely naturalized; often placed in genus Chrysanthemum
         [syn: oxeye daisy, ox-eyed daisy, marguerite, moon
         daisy, white daisy, Leucanthemum vulgare,
         Chrysanthemum leucanthemum]