Olga Bay larch or Olgan larch ("Larix olgensis"), a species of larch, is named after Olga Bay in the Sea of Japan. The common name in Chinese is 黄花落叶松 (pinyin: huang hua luo ye song). This species occurs in Central Sikhote-Alin, and rarely occurs in North Korea, and Jilin and eastern Heilongjiang provinces of China, between 500 and 1100 metres in elevation.
North Koreans love to go looking for the olgan larch between 500 and 1100 metres in elevation