It's been about 7 years since I first noticed a "Witch's Broom" in the #Boise National Forest. Until today, I didn't know what it was called. And now I know what it was in a number of pine trees I saw during a hike.

https://www.geographyrealm.com/witchs-broom-trees/

#Idaho #Tree #WitchsBroom

Noticed these Witches' Brooms years ago and finally took some pictures. Thought ID would be easy, likely a Gall but not really so. Guessing these are Gray Dogwood trees or maybe Willow. Silky Dogwood is nearby and mixed in.

From:

https://extension.umd.edu/resource/witches-broom-trees

"Witches' brooms may be caused by fungal, viral, or phytoplasmas. Eriophyid mites, mistletoe, environmental
damage, or a mutation in vegetative cells may also cause witches' brooming."

#witchsbroom #treediseases #galls