Salix jepsonii is a species of willow known by the common name Jepson's willow. it is named for renowned California botanist Willis Linn Jepson. It is endemic to California, found in the Klamath Mountains and throughout the Sierra Nevada. It grows along rivers and streams in high mountain habitat, between 1,000–3,400 metres (3,300–11,200 ft) in elevation.