this post was submitted on 05 May 2025
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Lichen

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Growing on birch bark, possibly in association with the bright-yellow powdery lichen, that might be Chrysothix? In the past, I have found this lichen growing on spruce with Chrysothix as well.

Photo taken with a cheap digital microscope so picture quality isn't the best but its okay. These little guys measured about 1mm tall. I would definitely suggest getting a handheld scope, I do use a 10x hand lens in the field but the digital scope is really handy and doesn't cause eye strain.

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