Endangered Species in Santa Cruz County - Plants


Robust Spineflower

Robust Spineflower

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.

To Learn More:

  • Calflora Database
    Searchable database all 8375 currently recognized vascular plants in California, including 20,000 photographs.
  • NatureServe Explorer
    Enter species name in the search box to access a detailed description, including habitat, current conservation status, ecological and distribution data with citations to relevant management reports.
  • U.S Fish & Wildlife Service
    Documents describing protection for this species under the Endangered Species Act. General information about the species as well as plans to protect and help it recover.

Last updated by lorenzop on May 22, 2008

Browse by Status Key

E — Endangered

T — Threatened

CH — Critical Habitat

PE — Taxa proposed for listing as endangered

PT — Taxa proposed for listing as threatened

PCH — Critical habitat which has been proposed

C — Candidate species for which the Fish and Wildlife Service has on file sufficient information on the biological vulnerability and threats to support proposals to list as endangered or threatened