live oak leaves and inflorescence quercus agrifolia on a dark background, south san francisco bay area, california

agrifolia america area background bay biology black bloom blooming blossom botany branch bright california close closeup coast contrast copy dark day detail fagaceae flora floral flower forest francisco green growth inflorescence leaf leaves light live macro native nature oak outdoors park quercus san shiny small south space spring springtime states thorns tiny tree united usa vegetation vivid wild woods