[Wikipedia] Range, Habitat, Description: Micranthes howellii (formerly Saxifraga howellii) is a species of saxifrage[1] known by the common name Howell's saxifrage.[2] It is endemic to the Klamath Mountains of southern Oregon and northern California, where it grows in moist, rocky habitat. It is a perennial herb growing from a caudex, usually with a rhizome system. It produces a basal rosette of leaves with rounded or oval blades edged with dull or sharp teeth or scalloping. Each leaf is up to 6 centimeters long, thick and fleshy, and borne on a short petiole. The inflorescence arises on an erect peduncle up to 20 centimeters tall. An array of branches bear several flowers with small white petals. (contributed by Mary Ann Machi)