Silver-Leaf Disease: An Epidemic in Northern Birch
A brief history of silver-leaf disease and its role in birch dieback in North America.
A New Hope
Science is awesome. Bureaucracy? Not so much.
Impacts from Northwest Heat Wave
The Pacific Northwest of North America (Oregon, Washington, southern British Columbia) experienced a heat wave far hotter than any previously recorded in late June 2021. In Vancouver, Washington, where I live, the official high temperatures on June 26-28 ranged from 41 to 46° C (106-115° F). At our home, temperatures were a bit higher, peaking … Read more
The Sinner’s Tree Diseases
It’s rare that tree diseases show up in fiction. The Sinner is a moody crime series that occasionally features them in interesting ways.
Porodaedalea in North America
What species of Porodaedalea are in North America? The long and winding road to a preliminary answer.
I Have Incense Cedar Rust!
The fascinating case of incense cedar broom rust on flowering pear.
Hosts of Porodaedalea pini
Some new (to me) hosts of Porodaedalea pini, cause of red ring rot.