Betula maximowicziana, the monarch birch, is a species of birch tree native to the Kuril Islands and northern to central Japan. It is a valuable timber tree in Japan. It is also grown as an ornamental for its bark in Japan, Europe and a few places in North America, but has had limited acceptance due to lack of uniformity.
Andika dalili au ugonjwa na usome juu ya mimea ambayo inaweza kusaidia, chapa mimea na uone magonjwa na dalili ambazo hutumiwa dhidi yake.
* Habari zote zinategemea utafiti wa kisayansi uliochapishwa