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Oplismenus setarius (Lamarck) Roemer & J.A. Schultes. Woods-grass. Phen: Aug-Oct. Hab: Hammocks, maritime forests, shell middens, moist forests. Dist: O. hirtellus is widespread in tropical and subtropical areas of the New and Old World; the "setarius entity" (variously treated at subspecies or species rank) ranges from e. NC south to FL, west to AR and TX, and south through the Caribbean and Central America to central South America.

Origin/Endemic status: Native

Taxonomy Comments: Scholz (1981) recognizes many other subspecies. The "setarius entity" is undoubtedly native in our area, often occurring in undisturbed habitats in natural communities entirely devoid of alien species (though it can also act somewhat aggressively in disturbed sites); the basis of Gould's (1975) assertion that Oplismenus is "introduced or adventive in the United States" is unknown. Crins (1991) favors treating O. setarius as a taxonomically unrecognized component within a polymorphic O. hirtellus.

Synonymy: = HC, RAB, S; = Oplismenus hirtellus (L.) P.Beauv. ssp. setarius (Lam.) Mez ex Ekman – ETx1, FNA25, K3, Meso6, Scholz (1981); < Oplismenus compositus (L.) P.Beauv. – K4; < Oplismenus hirtellus (L.) P.Beauv. – Ar, Mex, NcTx, Tx, Crins (1991)

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image of plant© Keith Bradley | Original Image ⭷
image of plant© Keith Bradley | Original Image ⭷
image of plant© Alan Cressler: Oplismenus hirtellus subsp. setarius, Turkey Creek Trail, Turkey Creek Unit, Big Thicket National Preserve, Tyler County, Texas 3 by Alan Cressler source | Original Image ⭷
image of plant© Keith Bradley | Original Image ⭷
image of plant© Radford, Ahles and Bell | Original Image ⭷

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