Nemophila heterophylla is a species of flowering plant in the borage family known by the common name small baby blue-eyes. It is native to Oregon and the northern two thirds of California, where it grows in many types of habitat, from valley chaparral to mountain talus. Armstrong Redwoods State Natural Reserve is a state park in California, United States, preserving 805 acres (326 ha) of Coast redwood trees (Sequoia sempervirens). The reserve is located in Sonoma County, just north of Guerneville, California.