Jelly Fungi in the Woods: Harmless Decomposers After Wet Weather

After cutting vines in your woods, you've stumbled upon a gelatinous, blob-like growth on dead wood. It looks otherworldly, but it's simply a jelly fungus fruiting body—nature's recycling crew at work.

What Are Jelly Fungi?

Jelly fungi (class Tremellomycetes) produce rubbery, gelatinous fruiting bodies that appear during wet weather. These structures produce and release spores. When conditions dry out, they shrivel and become nearly invisible, only to rehydrate and "bloom" again with the next rain.

Ecological Role

Most jelly fungi are saprotrophic—they decompose dead wood, breaking down lignin and cellulose and returning nutrients to the ecosystem. They do not attack living trees.

Common Types

• Witch's butter (Tremella mesenterica): Bright yellow-orange, brain-like lobes on decaying hardwood.
• Wood ear (Auricularia auricula-judae): Brown, ear-shaped folds on elder and other hardwoods.
• White jelly fungus (Tremella fuciformis): Translucent white, coral-like clusters.

Management

No action needed. These fungi are beneficial decomposers. If aesthetics bother you, simply remove the affected dead wood. They pose no threat to living plants, pets, or people.