Silky oak leaves vector over 3 years 78 Sessile oak leaves vector over 3 years 175 Turkey oak leaves vector over 3 years 104 Shingle oak leaves vector over 3 years 76 Cork oak leaves vector over 3 years 83 Pin oak leaves vector almost 4 years 326 Willow oak leaves vector almost 4 years 213 Scarlet oak leaves vector almost 4 years 224 Golden oak leaves vector almost 4 years 212 Swamp white oak leaves vector almost 4 years 221 Shumard oak leaves vector almost 4 years 277 Northern red oak leaves vector almost 4 years 354 Sawtooth oak leaves vector almost 4 years 254 Valley oak leaves vector almost 4 years 367 English oak leaves vector almost 4 years 334