Dear Kitty. Some blog

This 2014 video is called Lichen Biology.

From ScienceDaily:

The Alps are home to more than 3,000 lichens

March 12, 2018

Summary: Widely used as biomonitors of air quality, forest health and climate change, lichens play a vital role. However, no overview of their diversity across the emblematic Alps had been provided up until recently, when an international team of lichenologists concluded their 15-year study. Their annotated checklist includes more than 3,000 lichens and presents a long-missed benchmark for scientists studying mountain systems around the globe.

Historically, the Alps have always played an emblematic role, being one of the largest continuous natural areas in Europe. With its numerous habitats, the mountain system is easily one of the richest biodiversity hotspots in Europe.

Lichens are curious organisms comprising a stable symbiosis between a fungus and one or more photosynthetic organisms, for example green algae and/or cyanobacteria. Once the…

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