Seeing blue dots, red Xs, orange circles and purple bands on trees and wondering what they mean? Here's what we found out ...

Invasives have largely wiped out the American chestnut and elm, caused “hell” with the beech, and are now wreaking havoc on ...

Pests are ravaging keystone species like ash, elm, and beech. But researchers are breeding the survivors into more resilient ...

Southern Botanical arborist David Brantley breaks down the common issues faced by trees in North Texas and how to address ...

“Oh, there’s a larva,” she said, removing a small white worm with tweezers ... a unique ability to find the emerald ash borer larvae inside the tree bark using their antennae to sense ...

Green ash is usually yellow, white ash often maroon ... These galls often serve as an identification feature for ash trees. Bark: As ash bark matures, it splits into diamond-shaped fissures.

The silver Himalayan birch has beautiful white bark with green leaves that turn to yellow in autumn and it produces yellow-brown catkins in spring. The mountain ash or rowan tree is a native Irish ...

Vittoria Traverso Manna is a white mineral-rich resin that has ... coloured resin named manna has been extracted from the bark of ash trees in the Mediterranean region for more than a millennium.

In a field of ash trees, the buzzing of cicadas ... "This is the famous manna." Along the bark of each tree are thick lines of manna, a white mineral-rich resin referenced in the Bible 17 times ...

Jones has assembled more than 100 pieces for this exhibition, including works from notable Ho-Chunk basket-makers Ruth Cloud, Leola Rockman, Sarah White ... ash tree and pulls off the bark before ...

All species are attacked, including green, black and white ash. Emerald ash borer attacks all sizes of trees from one-inch ... it has been treated or the bark has been removed (emerald ash borer ...