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Kidney Lichen

Nephroma helveticum subsp. sipeanum

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.

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4 Comments

Mark Ridgway
Mark Ridgway a year ago

Well done. A very attractive species.

Machi
Machi a year ago

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
Mark Ridgway a year ago

Fabulous colors. Maybe it's a young dog-lichen like Peltigera horizontalis?

Machi
Spotted by
Machi

Alaska, USA

Spotted on Sep 8, 2019
Submitted on Oct 5, 2019

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