At least three different species of lichen have colonized this boulder Photo by Mary Grizzard
At least three different species of lichen have colonized this boulder They’re really pretty easy to miss.
Fuzzy growths, often in muted colors, speckle rock surfaces from cobbles to cliff faces and have a way of just blending into the scenery, appearing deceptively unimportant to the alpine ecosystem. And yet rock lichens played a critical role in the reforestation of the San Juans after the last …
