Rocks, Lichen and Algae   3 comments

Starpass Trail 2012

Starpass Trail 2012Lichen — Images by kenne

Lichen is a fungus that grows symbiotically with algae, resulting in a composite organism that characteristically forms a crust like or branching growth on rocks or tree trunks. It will be brown in color when it dries out, but with recent rain, gray, green and yellow color returns. When working with elementary school children in Sabino Canyon, the naturalists often use the following phase:

“Alice Algae took a lichen to Freddie Fungus,
but now their relationship is on the rocks”.

kenne

 

3 responses to “Rocks, Lichen and Algae

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  1. I do so like lichens and enjoy seeing a kind we don’t have.

  2. Lichens play and important role in the fragile ecological areas. Thanks for you comment.

  3. Pingback: Birds help lichen grow | Dear Kitty. Some blog

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