Endangered and Threatened Wildlife and Plants; Determination of Endangered Status for the Plant Yreka Phlox from Siskiyou County, CA

We, the U.S. Fish and Wildlife Service (Service), determine endangered status pursuant to the Endangered Species Act (Act) of 1973, as amended, for Phlox hirsuta (Yreka phlox). This perennial plant species is known only from two locations in Siskiyou County, California. A third location, near Etna Mills, California, has been searched, but no plants or habitats have been found since 1930. The primary threats to P. hirsuta include urbanization, inadequate State regulatory mechanisms, and extirpation from random events due to the small number of populations and limited range of the species. This rule implements the Federal protections and recovery provisions afforded by the Act for this plant.