Chorizanthe angustifolia
 Chorizanthe angustifolia is a species of flowering plant in the buckwheat family known by the common name narrowleaf spineflower. It is endemic to California where it is known only from the coastline of San Luis Obispo and Santa Barbara Counties but is locally common. This small hairy herb sends out prostrate inflorescences along the sandy soil of its habitat each no longer than about 10 centimeters.