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Urban Almanac: The Beauty Within Tree-cosystems

Posted on December 13, 2022   |   Updated on September 30, 2025

City Cast Houston Staff

Fungi and mushrooms living off of a fallen tree

A fallen tree provides a window into a whole ecosystem. (Houston Arboretum and Nature Center)

Kelsey Low of Houston Arboretum tells us about a unique ecosystem:

“When you see a fallen tree, take a closer look – you’ll find an entire ecosystem! The brown shell-like structures are shelf fungi and the brilliant orange lumps are jelly mushrooms; both are hard at work breaking down the wood. Normally brown and crispy, tiny resurrection ferns and mosses spring “back to life” after a good rain. The frilly gray-blue sheets are lichen, which are a combination of fungi, algae, and bacteria working together as a single organism.”

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