It is known from Texas outside of the range of Pinus palustris . In one chenier type, the generally closed canopy is from 6 to 15 meters tall and includes Quercus virginiana, Celtis laevigata, Gleditsia triacanthos, Sideroxylon lanuginosum, Zanthoxylum clava-herculis, and Ulmus americana . The subcanopy contains Crataegus viridis, Quercus nigra, Ilex decidua , and canopy species. Toxicodendron radicans, Vitis mustangensis, Campsis radicans, and Parthenocissus quinquefolia . Herbs may include Oplismenus hirtellus and Tillandsia usneoides .
Soils are silty clay loam soils, sometimes with a substantial shell hash component.
Forests of Louisiana salt domes have a canopy dominated by Quercus virginiana, Magnolia grandiflora, Quercus pagoda, Ulmus americana, Celtis laevigata, Liquidambar styraciflua, Quercus nigra, and Carya glabra . The sparse shrub layer contains Sabal minor, Vitis rotundifolia, Smilax rotundifolia , and the alien Ardisia crenulata . 1997 for associations currently described for the southeastern United States. The canopy is dominated by Quercus virginiana, Magnolia grandiflora, and Quercus pagoda , with lesser amounts of Liquidambar styraciflua and Quercus nigra . The open understory consists of Cornus florida, Ilex opaca var.