Quercus laurifolia (swamp laurel oak, diamond-leaf oak, water oak, obtusa oak, laurel oak) is a medium-sized semi-evergreen oak in the red oak section Quercus sect. Lobatae. It is native to the southeastern and south-central the United States, from coastal Virginia to central Florida and west to southeast Texas. There are reports of the species growing in Pennsylvania and New Jersey, but these probably represent introductions.
Other Names: Diamond Oak, Diamond-leaf Oak, Swamp Laurel Oak, 桂叶栎
Quercus × atlantica is a hybrid of plants with 3 observations
Other Names: Quercus incana × laurifolia, Quercus atlantica, Quercus incana × hemisphaerica