The fastest-evolving moss in the world may not adapt to climate change
The hardy genus Takakia has survived 400 million years but is losing ground in the Himalayas

The moss genus Takakia (shown) is not like other mosses. This tiny, feathery plant is around 390 million years old, and can survive on the Tibetan Plateau, more than 4,000 meters above sea level.
Stu Crawford/Wikimedia Commons (CC BY-SA 4.0)