tahquitz ivesia

Ivesia callida is a rare species of flowering plant in the rose family known by the common name Tahquitz mousetail. It is endemic to the San Jacinto Mountains of Riverside County, California, where it is known from only two occurrences. The plant grows in cracks and crevices of the granite mountain cliffs. It was named for Tahquitz, a rock formation in its endemic range. This is a small perennial herb which forms matted patches of hanging...