A study’s findings add to the case that lichens, which dominate about 7 percent of the planet’s surface, most likely made their way to land some 100 million years after ferns and other vascular plants ...

All plants and lichens listed as endangered under the Endangered Species Act are sensitive to climate change but there are few plans in place to address this threat directly, according to new research ...

You've probably seen a lichen, even if you didn't realize it. If you've ever meandered through the forest and wondered what the crusty stuff on trees or rocks was, they're lichens, a combination of ...