lichen

That goal has become increasingly practical because plant-based and animal-free sources of vitamin D3 are now available, including D3 derived from lichen.

From Science Daily ● Oct. 8, 2026

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

"All the letters have been repainted by hand. We wanted to protect the lichen and to make sure the stone was still in keeping with the surroundings."

From BBC ● Oct. 11, 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 surface was the colour of damp sand, rough and grainy to the touch, except where bits of moss and lichen grew out of the cracks.

From "I'm the King of the Castle" by Susan Hill

Both are small, with cone-shaped shells measuring about 6 mm in length, and they live on limestone rocks where they feed on algae and lichens.

From Science Daily ● Sep. 24, 2026

An "extinction crisis" is happening in Britain's temperate rainforests where some of the world's rarest mosses, lichens and liverworts are vanishing, ecologists have warned.

From BBC ● May 18, 2025

“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

Around him soft bright moss curled up the yellow birches, lichens roughened the rocks, and crushed needles let go their piney scent.

From "Lizzie Bright and the Buckminster Boy" by Gary D. Schmidt