Woolly oak galls, Callirhytis lanata
Galls on trees
Leaf and Twig Galls Oh My! - Kramer Tree Specialists
Galls - Backbone Valley Nursery
Wool Sower Gall | A to Blog
The Trouble with Tribbles | BYGL
Strange fuzzy ball in my white oak? : r/homestead
Fuzzy Orange Balls on Oak Leaves: What are they and should I be worried? - YouTube
Nature Now! Such Gall! | Programs and Events Calendar
Dr. Dirt: Fuzzy growths won't harm oak trees
Fuzz balls on my live oak tree are unsightly but not harmful. by Mary Reid Barrow - Lynnhaven River NOW
An Odd Leaf Gall on Oaks | BYGL
Key to Diseases of Oaks in the Landscape | UGA Cooperative Extension
Parasitic Wasps and Fuzzy Orange Galls on Oak Leaves, 2013-2020 – Naturalis Historia
MucknMire: Fuzzy growth on underside of oak leaves
Woolly Oak Leaf Gall | Naturally Curious with Mary Holland
Huber: Fuzzy galls on oak leaves no cause for alarm
MucknMire: Fuzzy growth on underside of oak leaves
Mysterious ping pong ball-sized "Dr. Seuss" plant spotted in Texas park - CBS News
What's that on an oak leaf? Animal? Plant? Fungus? Nah, gall insect – Galls wasps, Cynipidae — Bug of the Week
I don't know what's on my Chestnut white oak.
The Furry Galls on Fallen Leaves – Cowling Arboretum – Carleton College
My Leaves Have These Weird Bumps and Lumps on Them! — Arborsmith, Ltd.® crafstman in the care of trees
