(Left to right) Flame redwood burl from the Tall Trees of Northern California (tallest trees on the planet); Padouk burl, California buckeye burl (2 pens to show variations in white/gray shades); 5000-year-old Douglas fir from the ash field of Mt. Ranier in Washington; 125-year-old southern pine from Ponce de Leon Lighthouse in Florida, fiddleback koa from Maui, Hawaii.