Bayensis checkerspot butterfly
Euphydryas editha bayensis
insectView on iNaturalist
Federal: Endangered, CA: Endangered
Federally endangered since 1967; restricted to serpentine grasslands in Bay Area
Plants that support Bayensis checkerspot butterfly
3 plants
California goldfields
Lasthenia californica
annual
Primary larval host plant for this Bay Area endemic subspecies during early spring emergence
Bay Area native
Coastal Tidy-tips
Layia platyglossa
annual
Nectar forage during spring emergence and breeding
Bay Area native
Exserted Indian Paintbrush
Castilleja exserta subsp. exserta
annual
critical larval food plant for caterpillars in spring emergence
Bay Area native