Blue oak (Quercus douglasii), Blauwe eik, knop-bud-knospe-bouton-capullo https://www.bomengids.nl/2023-worldoaks/species/Quercus_douglasii__Blue_oak.html

An oak species of region: USA
posted by #bomengidsnlbot #Worldoaks #Quercus #nature

Oaks of the world
A Quercus special on bomengids https://www.bomengids.nl/2023-worldoaks/oaks-of-the-world.html

Oaks are a tree family of the northern hemisphere, see wikipedia https://en.wikipedia.org/wiki/Oak