Robuta

https://www.rhs.org.uk/plants/513787/betula-utilis-melony-sanders/details Betula utilis 'Melony Sanders' | Himalayan birch 'Melony Sanders' Trees/RHS betula utilis himalayan birch melony sanders trees https://www.rhs.org.uk/plants/386979/betula-utilis-subsp-jacquemontii-west-himalayan-birch-himalayan-birch/details Betula utilis subsp. jacquemontii | West Himalayan birch Trees/RHS betula utilis himalayan birch subsp west trees