Have you ever noticed the colorful growths on trees and rocks but weren't sure what they were? Lichens are all around us yet often overlooked. They play important roles in ecosystems and can even indicate air quality. Many people don't fully understand these symbiotic organisms or appreciate their significance.

In this episode, you'll learn about the fascinating world of lichens from lichenologist Dr. Jessica Allen. We discuss what lichens are, their importance in nature, how they live, and how we can appreciate these miniature ecosystems all around us. You'll come away seeing lichens in a whole new light!

Topics covered in this episode:

• What are lichens?
• Lichens as miniature ecosystems harboring diverse microorganisms
• Important roles of lichens
• How lichens live on a wide range of surfaces and obtain nutrients
• Using lichens to monitor air quality
• The varied lifespans of lichens
• Uses of lichens from dyes to medicine
• Lichen myths
• At-home microbiology activities: 3 hands-on activities to explore and appreciate lichen diversity

JOYFUL MICROBE SHOW NOTES: https://joyfulmicrobe.com/lichen-basics-jessica-allen/

AT-HOME MICROBIOLOGY ACTIVITIES: https://joyfulmicrobe.com/3-lichen-activities/

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