Localities documented in Tropicos sources
United States (North America)
Note: This information is based on publications available through Tropicos and may not represent the entire distribution. Tropicos does not categorize distributions as native or non-native.
Regularity: Regularly occurring
National NatureServe Conservation Status
Rounded National Status Rank: NNR - Unranked
Senecio astephanus is a species of flowering plant in the aster family known by the common name San Gabriel ragwort. It is endemic to California, where it is known only from the rocky slopes of the Transverse Ranges and adjacent Coast Ranges. It is a perennial herb growing up to a meter tall and producing discoid flower heads containing golden yellow florets.