Rare and Endangered River Species : Office of Sustainability : Texas State University

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Office of Sustainability

Explore the rare species that depend on the San Marcos River and learn how to help protect their habitat.

Federally Endangered

Illustration of Texas wild-rice showing long leaves growing above and below the water’s surface — Federally Endangered

Texas Wild-Rice

Found only in the upper San Marcos River, Texas wild-rice grows in clear, flowing spring water and provides habitat for aquatic life. Avoid disturbing vegetation to help protect it.