Forest ecologist Mark Harmon has been exhaustively examining dead logs for 40 years, and he’s found a complex world few ...

UC ANR research shows fungi are increasingly causing trees to decline and die. UC scientists found 10 woody plant species in six regions of California that had succumbed to infections by nine fungal ...

A street tree study shows planting in the right of way won't get Seattle to its goal of 30% tree canopy. The city must ...