The dry climate of Pinnacles may seem like an unlikely place for ferns to grow. During the summer months, deep canyons provide shade for moisture-loving species, such as maidenhair and horsetail ferns. Other species, such as the bird's-foot and coffee ferns, tolerate dry conditions.
For more information about ferns and other plant species at Pinnacles National Monument, visit our Digital Herbarium.
Did You Know?
Rhyolitic breccia is the rock that the High Peaks and other rock formations at Pinnacles are made of. Rhyolite breccia is composed of lava sand, ash, and angular chunks of rock that were explosively ejected from the Pinnacles Volcano.