Common names: Big heron bill [Hrusa 2001], Broadleaf filaree [U.S. Forest Service 1997], broad leaf filaree [Hrusa 2001], long beaked filaree [Hrusa 2001], longbeak stork's bill [PLANTS 2001]
Annual herb that is not native to California; it was introduced from elsewhere and naturalized in the wild
Less than 1/4". Shot with built in zoom lens, no close up lens.

Erodium cicutarium or E. botrys (stork's-bill)