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Betula maximowicziana, Monarch birch(es)
Betula maximowicziana Regel (1868)
Modern species
Classification
kingdom Plantae,
Angiosperms
, order Fagales,
family Betulaceae
,
genus Betula
Distribution
Paleogene-Neogene:
Nagano
Pleistocene:
Yamagata
,
Tochigi