''Betula schmidtii'', the iron birch or Schmidt's birch, is a species of flowering plant in the family

Betulaceae Betulaceae, the birch family, includes six genera of deciduous nut-bearing trees and shrubs, including the birches, alders, hazels, hornbeams, hazel-hornbeam, and hop-hornbeams numbering a total of 167 species. They are mostly natives of the t ...

. It is native to Manchuria, Korea,

Primorsky Krai Primorsky Krai (russian: Приморский край, r=Primorsky kray, p=prʲɪˈmorskʲɪj kraj), informally known as Primorye (, ), is a federal subject (a krai) of Russia, located in the Far East region of the country and is a part of the ...

of the Russian Far East, and Japan. A tree reaching with nearly black bark, its wood is so dense that it does not float, and is used where a tough, durable material is desired.

References

schmidtii Flora of Manchuria Flora of Korea Flora of Primorsky Krai Flora of Japan Plants described in 1865 {{Fagales-stub