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Range DescriptionMagnolia obovata is native to Japan (Hokkaido, Honshu, Shikoku, Kyushu) at elevations between 600 and 1,680 m asl and the Kuril Islands of Russia. It grows at sea level up to 1,800 m asl. Specimens have been collected from Japan and Korea from Gyeonggi-do Pocheon-gun (Korea Biodiversity Information System, GBIF). On the Kuril Islands the broadleaved mixed forests occur at approximately 100-300 m asl. A previous study showed this species to occur in Ogawa Forest Preserve, Japan at elevations between 610 and 660 m asl (Isagiet al.2000). This species has also been studied in the Shirakami Mountains in Japan where the forests consist of a mixture of of beech, maple and magnolia trees at elevations between 700 and 1,100 m asl (Sato and Sekiguchi 2005).