Brilliant. I love that quaking aspen. For single large trees, Red Tingle trees (Eucalyptus Jacksonii) are pretty amazing too. They're only found in the Walpole-Nornalup National Park in the southwest of Western Australia. Apparently they are the largest based of all the eucalypts, with a girth of up to 26 metres. They grow up to 75 metres tall and live to well over 400 years old. http://www.southernforests.com.au/product/listing.asp?id=72