TY  - BOOK
AU  - Ashburner,Kenneth
AU  - McAllister,Hugh A.
AU  - Rix,Martyn
TI  - The genus Betula: a taxonomic revision of birches 
T2  - A botanical magazine monograph
SN  - 9781842461419 (hbk)
PY  - 2013///
CY  - Kew
PB  - Kew Publishing
KW  - Birch
UR  - https://depts.washington.edu/hortlib/book/genus-betula/
ER  -