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Bookmark or Share- Burls - Geophysical InstituteTrees with burls seem to be found in a cluster; if one tree in an area has burls, it is likely that other trees around it has them too. This clumping is suggestive of leafhoppers or aphids transmitting the disease, but no conclusive evidence of this is known yet. Burls weaken trees but do not kill them.
- Visit to an exotic tree plantation in AlaskaThese exotic trees — some now 70 feet tall — are a nice legacy for the men who planted shin-high seedlings years before Woodward last visited the plot in 1981. Les Viereck, a renowned ecologist who wrote Alaska Trees and Shrubs, died in 2008.
- Feltleaf willows: Alaska’s most abundant treeThe range of the feltleaf willow, probably the most numerous tree in Alaska. From Alaska Trees and Shrubs by Les Viereck and Elbert L. Little, Jr.
- The majesty and mystery of Alaska yellow cedarThese trees, which can live longer than 1,000 years, grow on the rainy coast from the Oregon/California border through British Columbia and as far north as Prince William Sound. The giants have in many areas died in large numbers, puzzling scientists who later came up with a non-intuitive theory of what killed them.
- Southcentral Alaska: a Natural Experiment in Plant SuccessionAbout 9,100 years ago, white and black spruce trees made it to Southcentral. Ager said the winged seeds of both tree species probably blew down through mountain passes from the unglaciated Interior. Once white and black spruce made it through the Alaska Range, the trees migrated southward at a rate of eight-tenths of a kilometer per year.
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