Betula ermanii Cham.

Betula ermanii Chamisso
A flavonoids study of Betula in eastern As
Chin-Sung Chang Feb. 2000
Seoul National University Herbarium (SNUA)
FLORA OF HOKKAIDO
Collected and distributed by Prof .T. Tanaka
Taihoktt Imperial University.
Be tala Ermanii Cham.
nipponica Koidz
>N Yo
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