Synonyms for False Lily Of The Valley (same or very similar meaning)
WordNet sense 1 (small white-flowered plant of western Europe to Japan):
Maianthemum bifoliumWordNet sense 2 (small two-leaved herb of the northern United States and parts of Canada having racemes of small fragrant white flowers):
Maianthemum canadenseFrom the ODE community, based on WordNetadd/edit