1. Topics
  2. Forests, woodlands and rangelands

Tree care

Photo Credit: Bob - Adobe Stock (Cropped from original)

Meet Our Tree care Experts

Alicia Christiansen

she/her/hers

Forestry & Natural Resources, Associate Professor of Practice

541-236-3002

Dan Leavell

541-883-7131
[email protected]

Micah Schmidt

he/him/his

Regional Fire Specialist, Northeast Region

541-963-1090
[email protected]
Ask Extension

Have a question? Ask Extension!

Ask Extension is a way for you to get answers from the Oregon State University Extension Service. We have experts in family and health, community development, food and agriculture, coastal issues, forestry, programs for young people, and gardening.

Ask us a question

What is this fungus and could it indicate internal decay in my Douglas-fir?

Q: A large fungus is growing at the base of a large Douglas-fir tree in my backyard. There are several fungi that can cause root rot in Douglas-fir, so I don't want to lose the tree, and I also don't want it to fall ...

A: View answer | View all featured questions

See All Questions