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Thalassia testudinum (Turtle-grass)
Cressler, Alan

Thalassia testudinum

Thalassia testudinum Banks & Sol. ex Koenig


Hydrocharitaceae (Tape-grass Family)


USDA Symbol: THTE6

USDA Native Status: L48 (N), PR (N), VI (N)

A marine species of shallow, clear water with calcareous bottom along the coastline of the Gulf of Mexico, the Atlantic Coast in the southern half of Florida and in the Caribbean Sea.


From the Image Gallery

1 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Root Type: Tuberous
Leaf Complexity: Simple
Breeding System: Dioecious
Leaf: Leaves to about 1 foot in length.

Bloom Information

Bloom Color: White , Pink , Green
Bloom Notes: Flowers inconspicuous, greenish-white or pinkish.


USA: FL , LA , MS , TX

National Wetland Indicator Status

This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1 (Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here for map of regions.

Additional resources

USDA: Find Thalassia testudinum in USDA Plants
FNA: Find Thalassia testudinum in the Flora of North America (if available)
Google: Search Google for Thalassia testudinum


Record Modified: 2018-03-07
Research By: JAM

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