For example, species such as the California Fan Palm, Washingtonia filifera, occur only west of the Medina River or Balcones Fault.
Mississippi River | River Thames | Amazon River | Columbia River | Hudson River | Colorado River | Potomac River | river | Ohio River | Medina | Missouri River | Delaware River | Murray River | River Tyne | Madeira River | Volga River | River Nene | River Clyde | River Trent | River Severn | Amur River | River Wear | Allegheny River | Red River | Dnieper River | Yarra River | Paraná River | River Tees | Fraser River | Yangtze River |
As a result of his explorations, he was responsible for the names of several Texas rivers, including the Guadalupe River, the Medina River, the Nueces River, and the Trinity River.