Country distribution from AmphibiaWeb's database: China, Japan, Korea, Democratic People's Republic of, Russian Federation
IUCN (Red List) status: Least Concern (LC).
Maps1&2-From Kuzmin, S.L. 1999. The amphibians of the former Soviet Union. Sofia-Moscow: Pensoft
From Maeda & Matsui, Frogs and Toads of Japan, 2nd Edition (1990)
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Citation: AmphibiaWeb. 2017. <http://amphibiaweb.org> University of California, Berkeley, CA, USA. Accessed 20 Oct 2017.
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