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Quiet Invasion: Invasive Plants & Animals of the Houston Galveston Region & Upper Texas Coast

The species listed in this field guide are identified by the Houston Advanced Research Center (HARCresearch.org) as current or potential invasive species (plants and animals) in the Houston-Galveston region, Lower Galveston Bay Watershed and Upper Texas Coast. For more information, visit ...more ↓

All 111
Invasive or native
Invasive 111

Torpedo grass ¹
Panicum repens

tree of heaven ²
Ailanthus altissima

Poncirus trifoliata ³
Citrus trifoliata

Tropical Soda-Apple ⁴
Solanum viarum

Vasey Grass ⁵
Paspalum urvillei

Veined Rapa Whelk ⁶
Rapana venosa

Water Lettuce ⁷
Pistia stratiotes

Didemnum perlucidum

Zebra Mussel ⁸
Dreissena polymorpha

Quagga Mussel ⁹
Dreissena bugensis

Cuban Treefrog ¹⁰
Osteopilus septentrionalis

Edited by Lisa Gonzalez and HARC-Houston Advanced Research Center, some rights reserved (CC BY-SA)

Photo Credits

1. (c) Tony Rodd, some rights reserved (CC BY-NC-SA)
2. (c) jscior28, some rights reserved (CC BY-NC)
3. (c) Leonora Enking, some rights reserved (CC BY-SA)
4. (c) J. Jeffrey Mullahey, University of Florida, Bugwood.org, some rights reserved (CC BY)
5. (c) Bart Wursten, some rights reserved (CC BY-NC)
6. (c) Eddi Bisulli, some rights reserved (CC BY-NC), uploaded by Eddi Bisulli
7. (c) Mary Keim, some rights reserved (CC BY-NC-SA)
8. Bj.schoenmakers, no known copyright restrictions (public domain)
9. (c) Rob Curtis, some rights reserved (CC BY-NC-SA), uploaded by Rob Curtis
10. (c) copepodo, some rights reserved (CC BY-NC-ND)

Quiet Invasion: Invasive Plants & Animals of the Houston Galveston Region & Upper Texas Coast

Torpedo grass 1 Panicum repens

tree of heaven 2 Ailanthus altissima

Poncirus trifoliata 3 Citrus trifoliata

Tropical Soda-Apple 4 Solanum viarum

Vasey Grass 5 Paspalum urvillei

Veined Rapa Whelk 6 Rapana venosa

Water Lettuce 7 Pistia stratiotes