lichen

On the salvaged tiles alone, you can find salt efflorescence, water stains, fretting, lichen, smears of soot, scratches and gashes.

From Los Angeles Times ● May 8, 2025

“A rich garden of life has grown on the megaliths, an exceptional lichen garden has grown. So it’s potentially quite concerning.”

From BBC ● Jun. 19, 2024

This is the case of the wolf lichen -- threatened throughout Europe -- , which now finds refuge in the oldest trees in the high mountains of the Pyrenees.

From Science Daily ● Apr. 2, 2024

An old wooden sign, speckled with green moss and blue-gray lichen, stands near the reservoir’s edge.

From Seattle Times ● Feb. 4, 2024

The stones are square and arched, black and gray, more often plain than shiny, caked with lichen and moss.

From "The Namesake" by Jhumpa Lahiri

"They've lots of humidity supporting mosses, lichens, and complex woodland structures, including ravines, rivers and rocky outcrops."

From BBC ● May 25, 2026

Glow worms, slime moulds and rare lichens are among 1,109 species discovered in just one corner of Scotland's rainforest.

From BBC ● May 21, 2026

“If I were to make a prediction, I would envisage a growing fraction of the Peninsula’s landscape becoming dominated by a mosaic ecosystem of mosses, lichens, liverworts and fungi,” Roland said.

From Salon ● Oct. 19, 2024

Algae, pollen and lichens do accumulate in shady areas.

From Seattle Times ● Apr. 30, 2024

The crew began using Inuit techniques to hunt seal, preserve seal blubber, and gather green spring lichens, which helped ease their scurvy.

From "American Spirits" by Barb Rosenstock