/r/Lichen

Photograph via snooOG

A place for pictures, questions, scholarly articles, and anything else lichen-related.

Hi lichen-lovers! Feel free to submit all of your lichen related content. As usual, no spam, etc. No NSFW links please (although I don't know how you would manage that considering the intended subject matter of this subreddit).

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/r/Lichen

17,215 Subscribers

9

Jasper, Alberta lichen

1 Comment
2025/02/02
00:17 UTC

1

C- Cetraria islandica. Lichens: from A to Z

A nice story about Iceland moss, which is a lichen in disguise 🥸

0 Comments
2025/02/01
22:31 UTC

4

Any ID on these lil black things? SE WI. Thanks

0 Comments
2025/02/01
05:30 UTC

14

Lichen Cathedral

https://preview.redd.it/05i0l3rvp9ge1.jpg?width=3840&format=pjpg&auto=webp&s=e3f68d9ec5b03a857e51503a31b8034f82fd9ad4

Somewhere on the Geikie river in Northern Saskatchewan, Canada; July 2021. I didn’t quite know what I was in for, going ‘up-river’ was a vague concept until we did it for a week, then the rock-climbing gear made sense. I distinctly remember a moment, waist-deep in rapids, towing a fully laden canoe - like a sled dog in a warm blizzard; pausing to ponder a crossing, again, admiring the little green troopers that held my tenuous outcrop long before me; and grateful that my camera was attached by a steel mitten-string.

Our guide marked the river on Google Maps:

https://maps.app.goo.gl/J5cpTPaJyDFf5JDW8

7 Comments
2025/01/31
05:50 UTC

58

Icmadophila ericetorum, i believe

Found in Washington state, USA

5 Comments
2025/01/31
05:06 UTC

28

Wondering who this handsome lichen is? Interior British Columbia, Canada

3 Comments
2025/01/30
06:52 UTC

18

Rhizines?

Are the little white wispy things rhizines or just animal hair? New at identifying lichens and it said one way to distinguish species from another is looking at if they have rhizines or not. Any help or tips would be greatly appreciated! Thank you!

3 Comments
2025/01/29
22:46 UTC

63

Found this in Alvin TX , on 2,29,25

4 Comments
2025/01/29
19:18 UTC

36

Frost-like lichen, Yangmingshan NP, Taiwan

It was very tiny, hard to capture, but pretty sure it was lichen of some type.

Also, my first lichen post. Very glad to find this community! Been taking lichen pics for years just because…well…lichen is awesome.

2 Comments
2025/01/28
09:34 UTC

110

Blue lichen on Fanø, Denmark, a lichen heaven

10 Comments
2025/01/27
20:34 UTC

16

What kind of lichen is this?

5 Comments
2025/01/27
01:07 UTC

42

5% KOH solution on Xanthoria parietina

Just mixed our first batch of KOH and had to test it out. This lichen had been treated with some glycerin (to keep it pliable when dry) so the stain wasn't as dramatic as the untreated stuff.

6 Comments
2025/01/25
04:04 UTC

130

About 5 kinds of lichen on this boulder

Taken from Brushy Peak Reserve, east San Francisco Bay Area. Many nearby rocks had 1-3 varieties, but this one had the coat of many colors!

4 Comments
2025/01/23
23:22 UTC

81

Xanthoria Species Lichen Found In The PNW.

2 Comments
2025/01/23
04:46 UTC

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