G'day again...
Tom...Check out the National Arboretum web site at
http://www.usna.usda.gov/index.html. That will give you all the info you need.
That is where the National Bonsai Museum is located.
Enjoy the visit.
Pat
Dez of the Arizona High Dezert, at 4550', Oracle, AZ,
2000' above Tucson Sunset Zone 10 USDA Zone 8
aka: Pat Patterson 'riding off in all directions'