What a burl is, what it’s made out of, how it’s formed, which trees are more likely to grow burls & what you should (and shouldn’t!) do if you find a burl.
What Grows There :: Hugh Conlon, Horticulturalist, Garden Advisor, and Photographer
Balled & Burlapped Trees & Shrubs - Weston Nurseries
What is a Tree Burl? An In-Depth Look at This Unique Form of Growth
Leon Natural Burl Wood 48 Rectangular Coffee Table + Reviews
Oregon Ash: Insects, Pathogens and Tree Health
What Is a Burl?
What Are Tree Burls and How Do They Happen?
An Aging Riparian Hardwood Forest on The Wheeler National Wildlife Refuge - Steve Jones Great Blue Heron
What is a Burl? Description, Causes & What To Do, Organic Plant Care LLC