In 2002, Crater Lake National Park ecologist Michael Murray thought the park’s majestic whitebark pine trees were as good as ...

Around a decade ago, an invasive fungal disease called myrtle rust reached Australia and began to spread like a plague through certain plants. The disease affects plants of the Myrtaceae family, which ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Kansas City is used to rainy spring days, ...

A newly named Australian tree nicknamed the “zombie tree” cannot reproduce because of a deadly fungal disease.

Last year my Bradford pear’s leaves were covered with rust fungus. What can I do this year to prevent that from happening again? CS You are correct. It seems like rust disease was everywhere last ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This photograph, donated in 1922 by ...

The latest assessment of forest health in Colorado shows the Aspen area is experiencing a steady spread of infestation from Douglas fir beetles, but Pitkin County overall is faring much better than ...

Some of us are starting to notice yellow-orange spots on the leaves of their ornamental or fruiting pear trees. These spots begin in the late spring on the upper surface of leaves, approximately 1/8 ...

During the summer, many of us notice yellow-orange spots on the leaves of their ornamental pear trees. These spots begin in the late spring on the upper surface of leaves, approximately 1/8- to ...