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

The orange powder was removed from the stones using blown air, which has helped preserve the rare lichen on the surface of the stones, Mr Merriman confirmed.

From BBC ● Jun. 19, 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 views atop the hill were bracing, yet it was the ringwall that drew Jon's eye, the weathered grey stones with their white patches of lichen, their beards of green moss.

From "A Clash of Kings" by George R.R. Martin

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

Also known as Celtic rainforest, the habitat harbours scarce plants, lichens and fungi, and is considered more threatened than tropical rainforest.

From BBC ● Apr. 15, 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

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