TJM1: Lasthenia californica.
Family: Asteraceae (radiate) (SUNFLOWER).
Other common names: California goldfields, coast goldfields, valley goldfields.
Generic common name: GOLDFIELDS.
Circle X Ranch: Mishe Mokwa Trail, sage scrub, April 2004.
Characteristics: Native, Yellow, Small, Medium, Solitary, Simple, Herbaceous, Annual, Early Spring, Late Spring.
Plants that ID to both L. gracilis and L. californica can be found in some populations.