Monday, April 20, 2026

April 20, 2026

This red stuff is known as Bark Rash Lichen
It's a mixture of alga and fungus
Its color changes depending on season and shade
And it won't grow on a tree that is trunkless.

(Make sure you read the linked article, it has one of the best descriptions of identifying lichens that I have found, including a brief but informative vocabulary section.)

Location: North Sebastian Conservation Area

Sources: https://lucec.loyno.edu/natural-history-writings/bark-rash-lichen-0

Photo and text © 2026 Dee Fairbanks Simpson

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