WordNet (r) 3.0 (2006):

false lily of the valley
    n 1: small white-flowered plant of western Europe to Japan [syn:
         false lily of the valley, Maianthemum bifolium]
    2: small two-leaved herb of the northern United States and parts
       of Canada having racemes of small fragrant white flowers
       [syn: false lily of the valley, Maianthemum canadense]