beautiful green scenery in de horsten estate in wassenaar, the netherlands

acanthoides arvense bloom botanical branches bud buds carduus closeup detail ecological equisetum field flora floral flower flowering flowers flowery forest green grow heart horsetail horsten hypochaeris indigenous inflorescence landscape leaves logs microrecording naturalizing nature netherlands nobody outside petals pistil plant plants pollen prickly radicat solitary spines stalks stamen stem stems summer