White Lichen (Ramalina dilacerata), Naches Trail Preserve, WA, USA
Lichens are symbiotic structures consisting of a fungus that has trapped an algae, either green or blue-green algae. The fungus feeds off of the algae’s byproducts from photosynthesis, while the algae does not seem to benefit, or receives little benefit.
(photo: Lynette Schimming)
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