bay checkerspot butterfly (euphydryas editha bayensis) on a tidytips (layia platyglossa) wildflower; classified as a federally

america background bay blooming blossom blue butterfly california chalcedona checkerspot close up closeup colorful copy space critically endangered euphydryas editha bayensis floral flower fly insect layia platyglossa macro natural nature orange pollen pollinating pollination rosette san francisco season seasonal sky small specie spread spring springtime threatened tidy tidytips time tips white wild wildflowers wildlife wings yellow