Smaller communities include stands of Lacey Oak (Quercus laceyi), Pecan (Carya illinoinensis)-Sugarberry (Celtis laevigata) groves, and Gramagrass-Switchgrass (Panicum virgatum) grasslands, as well as fields of Sotol (Dasylirion wheeleri).
Energy crops are crops with high yield of lignocellulosic biomass produced to serve as a raw material for production of second generation biofuel examples include switch grass (Panicum virgatum) and Elephant grass.
It was originally noted to infect switchgrass (Panicum virgatum), and was observed infecting St. Augustine Grass (Stenotaphrum secundatum) in Texas in 1966.