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Northwest Lichenologists (NWL) @nwlichenologists.bsky.social · 14/10/2025

Every other year NW Lichenologists meets for certification for macrolichens in the Pacific NW of North America. Two subgroups attend: those wishing for more training and those taking the certification exam. Check out the info here: northwest-lichenologists.wildapricot.org/page-1854192

northwest-lichenologists.wildapricot.org

Northwest Lichenologists - Certification

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Northwest Lichenologists (NWL) @nwlichenologists.bsky.social · 16/05/2025

Occasionally, we get to travel to the NW fringes. Recently, the Calif. Lichen Soc. forayed to San Luis Obispo. How could we not want to see that area too? So, here are few specimens from the Los Osos. Our IDs are Usnea rubicunda Heterodermia leucomelos Lecanora caesiorubella Your input on them?

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Reposted by Northwest Lichenologists (NWL)

Rob Yaxley @robyaxley.bsky.social · 16/04/2025

Stereocaulon dactophyllum is today’s lichen hit. And because I am feeling generous, here’s a Pannaria rubiginosa.

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garimasingh-gs.bsky.social @garimasingh-gs.bsky.social · 28/02/2025

Are #lichens truly a treasure chest of #naturalproducts compared to non-lichenized #fungi? We put this to test using #BGC count as a proxy across ~400 #genomes. Spoiler alert: They absolutely are! #PKSs #secondaryMetabolites #Lecanoromycetes #fungalGenomics Article link: tinyurl.com/ynph7npe

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Bruce McCune @brucemccune.bsky.social · 30/03/2025

A big revision for the Lecanora saligna group -- six new species in Lecanoropsis. This is a common group of crustose lichens in western North America and elsewhere in the Northern Hemisphere.

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Northwest Lichenologists (NWL) @nwlichenologists.bsky.social · 04/04/2025

Sometimes you just need to sit back and stare at rocks, or at least the exciting things covering them like this one here with Rhizoplaca, Xanthoria, and others. -Seen in Central Oregon over the weekend, along with Umbilicaria phaea and what keys out to be U. krascheninnikovii on nearby rock. #lichen

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John Villella @jvillella.bsky.social · 22/03/2025

Hypotrachyna sinuosa a widespread species commonly encountered in low elevation riparian forests in the Pacific Northwest, seen here on Oregon ash in a riverside swamp in Lane County, Oregon.

Yellow-green foliose lichen with narrow lobes with terminal soralia and dichotomously branched rhizines

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Northwest Lichenologists (NWL) @nwlichenologists.bsky.social · 25/03/2025

Nothing is more satifying than seeing the intrepid inventory work of a group of lichenologists tracking rare to even common lichens. Here we are on the Oregon coast last week looking for Erioderma, Leioderma, & Sulcaria, as well as a host of Cladonias and others. Pannaria oregonensis is shown.

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Northwest Lichenologists (NWL) @nwlichenologists.bsky.social · 21/03/2025

Sometimes you hit the TRIFECTA-Lichens, rare birds, and old-growth, as the folks from Evergreen State College did during their group talk on lichens and marbled murrelets at the NW Lichenologists/Scientific Assoc. meeting talk Wednesday. Their mentor, Dr Calabria is leading the way. #lichens

Three presenters at a podium about ready to talk on their research on lichens and marbled murrelet nests.

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Reposted by Northwest Lichenologists (NWL)

Jesse Miller @texosporium.bsky.social · 21/03/2025

A great week with the @nwlichenologists.bsky.social

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Northwest Lichenologists (NWL) @nwlichenologists.bsky.social · 19/03/2025

The Northwest Lichenologists on the search for rare lichens in the Willamette Valley during the NWLichenologist / Northwest Scientific Association at the University of Oregon this mid-March. If you want to learn, we want your interest. #lichen #biologicalsurvey #inventory

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Northwest Lichenologists (NWL) @nwlichenologists.bsky.social · 25/02/2025

How about the specimen of Sphaerophorus! I am learning towards S. venerabilis, but you can set us straight. It's from Mary's Peak in the Coastal Range of Oregon.

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Reposted by Northwest Lichenologists (NWL)

Bruce McCune @brucemccune.bsky.social · 22/01/2025

eDNA and traditional biocrust sampling each have blind spots for biodiversity but tell a similar ecological story of disturbance in Artemisia steppe. The Bryologist, 128(1):1-15 (2025). doi.org/10.1639/0007...

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Northwest Lichenologists (NWL) @nwlichenologists.bsky.social · 19/02/2025

So here is a recently observed specimen from Crater Lake National Park here in Oregon. Anyone want to put a name to it? I don't think this will be too hard. The Genus should be easy. And by the way, you gotta love your parks! #lichens #lichenologists #NPS #NationalParks

A ball-like mass of a dark brown / black fruticose lichen from Crater Lake National Park in Oregon

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Northwest Lichenologists (NWL) @nwlichenologists.bsky.social · 15/02/2025

Support for student/enthusiasts! NWL is offering ~10, $150 awards to help student/non-student lichen folk with need presenting talk or poster. Must also be registered with NWSA for the meeting. Have abstract ready before applying-Deadline 2/17 northwest-lichenologists.wildapricot.org/event-5957694

A bright yellow Letharia columbiana lichen specimen sitting on snow

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Reposted by Northwest Lichenologists (NWL)

Science Friday @scifri.bsky.social · 20/01/2025

What lichen tell us about ecology.

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Jesse Miller @texosporium.bsky.social · 08/12/2024

Happy to share that the California Lichen Society's annual meeting and field trip will be in the San Luis Obispo / Paso Robles area on January 25. Open to everyone, free / by donation. Field day, potluck dinner and an evening talk by the great Dr. Jessi Allen! Registration coming soon. Join us!

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Reposted by Northwest Lichenologists (NWL)

John Villella @jvillella.bsky.social · 20/01/2025

Solorina spongiosa with its distinctly spongy external cephalodia, seen here in a roadside depression within a forested limestone area in the Tongass National Forest on Prince of Wales Island, Alaska

A ground dwelling lichen resembling chocolate chips surrounded by green thallus tissue and distinct blue grey external cephalodia

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Reposted by Northwest Lichenologists (NWL)

Bruce McCune @brucemccune.bsky.social · 15/01/2025

Vagrant Rhizoplaca get a deeper look. www.sciencedirect.com/science/arti...

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Northwest Lichenologists (NWL) @nwlichenologists.bsky.social · 16/01/2025

Annual General Meeting Eugene, Oregon: Mar 17-20, 2025 Registration is through the Northwest Scientific Association website: www.northwestscience.org The meeting has talks, a workshop, and one or more field trips. Schedule and summary of lichen activities for the meeting will be posted there.

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Northwest Lichenologists (NWL) @nwlichenologists.bsky.social · 14/01/2025

Just a fine example of Ramalina menziesii on the Lane/Benton County border of Oregon for our first post here on Bluesky Social. We are also on Instagram @nwlichenologists and on Facebook.

A colony of lichens called Ramlina menziesii drapes across several small tree branches. The lichen looks somewhat like a fishnet.

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