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Kidney Lichen

Nephroma helveticum subsp. sipeanum

Photo by Machi
Published on Project Noah
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57.7633, -152.483

Field Notes

Description:

Dark brown to black thallus, with some white to black underside. Reddish brown apothecia with white apothecia rims. All members of this genus contain Nostoc sp. (Star Jelly is a Nostoc sp.) as the photobiont, and some species also contain green algae. I have only seen this species on sticks from recent windfall, so I suspect they grow higher up in the trees.

Habitat:

On Sitka Spruce twigs that fell on the ground.

Reference Links:

Nephroma - Wikipedia

Species ID Suggestions

Comments (4)
Machi
Thanks Mark for your suggestion! After getting an ID on this, I read that this genus is often mixed up with Peltigera, but I think the formation of the apothecia in this genus helps distinguish it from Peltigera as well as a few other subtle factors.
Mark Ridgway
http://www.irishlichens.ie/pages-lichen/l-403.html
Mark Ridgway
Fabulous colors. Maybe it's a young dog-lichen like Peltigera horizontalis?

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Alaska Fauna and Flora
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Photographed
PublishedOctober 5, 2019

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