Eustachys petraea

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Common name: pinewoods fingergrass [1], dune fingergrass [2]

Eustachys petraea
Eustachys petraea AFP.jpg
Photo by the Atlas of Florida Plants Database
Scientific classification
Kingdom: Plantae
Division: Magnoliophyta - Flowering plants
Class: Liliopsida - Moncots
Order: Poales
Family: Poaceae
Genus: Eustachys
Species: E. petraea
Binomial name
Eustachys petraea
Natural range of Eustachys petraea from USDA NRCS Plants Database.

Taxonomic Notes

Synonyms: Chloris petraea Swartz

Varieties: none


E. petraea is a perennial graminoid of the Poaceae family native to North America, Puerto Rico, and the U.S. Virgin Islands, and introduced in Hawaii and the Pacific Belt. [1]


E. petraea is found along the southeastern coast of the United States from Texas to North Carolina and Pennsylvania, Hawaii, the Pacific Belt, Puerto Rico, and the U.S, Virgin Islands. [1]



E. petraea is foud in dune slacks and sand flats, as well as sometimes in disturbed areas. [2] Specimens have been collected from borders of mesic woodlands, loamy sands, coastal hammock, open pine woods, pond bottom, mangrove flats, palm flatwoods, disturbed sands, river banks, river bottoms, and wiregrass longleaf pine sands. [3]


E. petraea has been observed to flower in September. [4]

Conservation and Management

Cultivation and restoration

Photo Gallery

References and notes

  1. 1.0 1.1 1.2 USDA Plant Database
  2. 2.0 2.1 Weakley, A. S. (2015). Flora of the Southern and Mid-Atlantic States. Chapel Hill, NC, University of North Carolina Herbarium.
  3. URL: Last accessed: June 2018. Collectors: Loran C. Anderson, R.K. Godfrey, R.E. Perdue, D.B. Ward, Robert R> Haynes, Gwynn W. Ramsey, R. S. Mitchell, Tom Barnes, Richard Houk, R. Kral, J. P. Gillespie, S.W. Leonard, Robert Lemaire, D.B. Ward, D. Burch, George Cooley, Erdman West, Tom Daggy, Robert lazor, Frank Goul, Dorothy C. Saunders, Wilbur Duncan, Sidney McDaniel, Patrick Brennan, Mabel Kral, R.A. Norris, Richard R. Clinebell II, E. West, L. Arnold, J.A. Duke, Edwin Tyson, K. MacClendon, T. MacClendon, B. Boothe, J. Kartesz, V. Craig, R. Mears, G. Wilder, Wayne D. Longbottom, David Williams, M. Darst, H. Light, J. Good, L. Peed. States and counties: Florida (Dixie, Jefferson, Holmes, Seminole, Calhoun, Liberty, Leon, Citrus, Okaloosa, Monroe, Lee, Osceola, Highlands, Bay, Levy, Palm Beach, Sumter, Madison, Polk, Taylor, Collier, Manatee, Columbia, Indian River, Orange, Lake, Lake, Alachua, Okeechobee, Walton, Gadsden, Wakulla) Georgia (Thomas, Calhoun, Franklin)
  4. Nelson, G. PanFlora: Plant data for the eastern United States with emphasis on the Southeastern Coastal Plains, Florida, and the Florida Panhandle. Accessed: 21 MAY 2018