Scientific Name: Chorizanthe robusta var. robusta
Status: E, CH
The Robust Spineflower is an annual herb, member of the buckwheat family; native to California and endemic (limited) to this state alone. It is believed that currently, fewer than 10 populations remain. Closely related to Scotts Valley Spineflower (Chorizanthe robusta var. hartwegii).
Habitat: Coastal and near-coastal areas of Santa Cruz and northern Monterey counties.
Threats: Much of its habitat has been destroyed or degraded by urbanization, agricultural development, introductions of non-native plants for dune stabilization.