[malina]

http://www.americanforests.org/resou...gtrees/faq.php

1. What species are eligible for the National Register of Big Trees?
2. What is a native or naturalized tree?
3. What is a tree vs. shrub?
4. How do you determine a National Champion?
5. How do I nominate a tree?
6. How do I identify and measure my tree?
7. Do states have their own Big Tree Register's?
8. Can I visit a National Champion? If so, how can I found out where they are located?
9. My tree is on an extremely steep slope. How can I measure its circumference?
10. My tree has a canker or branch at 4 1/2 feet. Where is circumference measured?
11. How do I measure a tree that forks at or below 4 ½ feet?
12. Is circumference measured at 4 1/2 feet above the ground or 4½ feet along the trunk?
13. How do I measure a palm tree?
14. Do height and average crown spread measurements include dead parts of the tree?
15. How far is too far-gone?