Ivesia sericoleuca is a species of flowering plant in the rose family known by the common name Plumas mousetail, or Plumas ivesia. It is native to the northernmost part of the Sierra Nevada and the adjacent Modoc Plateau in California. Its range may extend just into Nevada. This is a small perennial herb forming a tuft on the ground in mountain meadows and scrub. Each leaf is a flat to cylindrical strip of many hairy green...