large valley oak quercus lobata surrounded by fields of dry grass, santa clara county, south san francisco bay area, california

america area bay beautiful beauty blue branches bright california clara colors copy county day deciduous dry field fields foliage francisco golden grass grassland green growth hill hills landscape large leaves lobata meadow native natural nature oak one outdoor outdoors park pasture plant quercus san santa season seasonal single sky south space spring states summer sunny sunshine surrounded tree trunk united usa valley