Drosera finlaysoniana is a species of sundew native to Australia, Hainan, Taiwan, the Philippines and Mainland Southeast Asia. Like other members of Drosera sect. Arachnopus it is an annual.

More commonly found in the north of Australia. In southern Australian sites it has been recorded at inland areas, in eucalyptus woodlands subject to flooding. Also found in Hainan, Taiwan, the Indo-China region and the Philippines.

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