Located in the interior of Yaku Island, at the meeting-point of the palaearctic and oriental biotic regions, Yakushima exhibits a rich flora, with some 1,900 species and subspecies, including ancient specimens of the sugi (Japanese cedar).

• 屋久岛位于古北区和远东生物区的交汇点，该岛拥有丰富的植物资源，大约有1,900种（亚种）植物，包括古老的杉树样本（日本杉）。