lichen

According to the NHS website,, external the cause of lichen sclerosus is unknown.

From BBC ● Oct. 19, 2026

Research into the prevalence of vulval lichen sclerosus is limited but analysis by the University of Bristol of people in the West Midlands and Warwickshire estimated it affects about 1% of women.

From BBC ● Oct. 19, 2026

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

The same research group previously identified what may be the oldest known lichen fossil, also discovered in Mato Grosso do Sul and younger than the bacteria and algae described in the current study.

From Science Daily ● May 12, 2026

Patches of orange lichen made the only bright color, and a high-water mark on the cliff walls showed that their landing site was not at all safe.

From "Shipwreck at the Bottom of the World" by Jennifer Armstrong

Early signs such as mosses, lichens and ferns growing on existing trees was a "really good indicator" of suitability, he added.

From BBC ● May 20, 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

If there is a statue on the grave it will be headless or so scabbed with fungus and lichens as to look like a fungus itself.

From "The Graveyard Book" by Neil Gaiman