Practical information to identify and manage non-native, invasive plants and animals
The Quiet Invasion:
A Guide to Invasive Species of the Galveston Bay Area
This web-based field guide is intended to help homeowners, land managers, gardening enthusiasts, aquarium hobbyists, anglers, businesses, teachers and students living in the Lower Galveston Bay Watershed to:
  • Recognize invasive plants and animals
  • Understand the impacts of these species on people and the surrounding environment
  • Choose appropriate methods to control established invasives and
  • Choose native plant alternatives
Every species included in this website has full color photos for ease of identification as well as physical descriptions of the species, preferred habitats, geographic distribution, reproduction and growth characteristics, pathways of introduction, and in the case of invasive plants, native plant alternatives to be found at or requested from home gardening centers.

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There are currently 81 species in the field guide.
Hard Copies
Field Guide Cover Field Guide Cover
The hard copy, pocket versions of THE QUIET INVASION invasive plant and animal field guides are available. To place an order for this free publication, please contact:

The Galveston Bay Estuary Program
Phone: (281) 218-6461

This guide was developed by:
Houston Advanced Research Center    Galveston Bay Estuary Program
Thank you for your interest in preventing the introduction of invasive plants and animals in the Lower Galveston Bay Watershed.
Page Updated/Reviewed: 09/07/2010 2:16 PM