The very rare Japanese birch, Betula chichibuensis Hara, is described and illustrated. It has become widely available since its 1986 introduction from seed, from a breeding population derived from the then single known wild stand. In 2015 it was reint...
The very rare Japanese birch, Betula chichibuensis Hara, is described and illustrated. It has become widely available since its 1986 introduction from seed, from a breeding population derived from the then single known wild stand. In 2015 it was reintroduced from further, recently discovered, wild populations.