@Dave, I don't know where I was July 2014 when this article was first posted but I just now found it when it popped up as the random article on the home page. I really enjoyed viewing and reading about each tree. Photo's had me clicking to go to the database to read more. Love it! I really enjoy the feature of random photos, random articles, etc.!
I did previously see the article for the most popular trees in the south and thought I'd check it out again but when I use the link "click here to view this same report for Southern gardens" all I get is a page showing this: