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South Texas Plains

The South Texas Brush Country is characterized by plains of thorny shrubs and trees and scattered patches of palms and subtropical woodlands in the Rio Grande Valley. The plains were once covered with open grasslands and a scattering of trees, and the valley woodlands were once more extensive. Today, the primary vegetation consists of thorny brush such as mesquite, acacia, and prickly pear mixed with areas of grassland.

Dirty Dozen Terrestrial Invasive Species

These plants have been identified as particularly worrisome terrestrial invasive species in the South Texas Plains ecoregion. Click on their scientific names to go to the Invasive Plant Database and learn more.

Giant reed - Arundo donax
Salt cedar - Tamarix ramosissima
King Ranch bluestem - Bothriochloa ischaemum var. songarica
Guineagrass - Urochloa maxima
Water lettuce - Pistia stratiotes
Chinese tallow tree - Triadica sebifera
Brazilian peppertree - Schinus terebinthifolius
Popinac - Leucaena leucocephala
Common water hyacinth - Eichhornia crassipes
Buffelgrass - Pennisetum ciliare
Hydrilla - Hydrilla verticillata
Chinaberry tree - Melia azedarach




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