Regularity: Regularly occurring
Global Range: Endemic to San Diego County, CA (Marsden et al. 1999).
Comments: Found along exposed coastal bluffs and grasslands. Clay soils. (Marsden et al. 1999).
National NatureServe Conservation Status
Rounded National Status Rank: N1 - Critically Imperiled
Names and Taxonomy
Comments: Not addressed in Kartesz (1999). Correct spelling of the epithet is 'pendletonense' to be in agreement with Eryngium (Jepson Interchange for California Floristics website, April 2012).