Cladium

Cladium jamaicensis, Typha dominguensis, Salicornia bigelovi, and Batis maritima can also be found in association with the dominant species.

Petenes mangroves 2009

Coastal prairies are often dominated by sawgrass Cladium jamaicensis, a type of sedge, muhley grass Muhlenbergia filipes, or cordgrass Spartina spp. in coastal areas.

Everglades National Park, United States 2009

Perhaps the most famous habitat of the Everglades is the sawgrass (in reality a member of the sedge family rather than a true grass, Cladium jamaicense) that dominates marshes in terms of abundance and biomass.

Everglades 2008

These islands are vegetated by aggregations of Cladium spp.,

Sian Ka'an Biosphere Reserve, Mexico 2008

This vegetation type occurs as a mosaic with three intermingled associations dominated by Cladium jamaicense, Schoenus nigricans, and Eleocharis cellulosa respectively.

Sian Ka'an Biosphere Reserve, Mexico 2008

In the Black River morass in Jamaica, there are assemblages of Rhizopora-Conocarpus, a Cladium-Conocarpus assemblage in the transition between mangroves and freshwater swamp, and a mix of Rhizopora, Avicennia, Laguncularia, and Conocarpus in the back of a coastal barrier.

Greater Antilles mangroves 2008

It can form monospecific 'islands' on patches of dark soil but is often found in association with Acrostichum danaeafolium, Bucida spinosa, Cladium jamaicense, Conocarpus erectus, Dalbergia glabra, Chrysobalanus icaco and Thrinax radiata.

Sian Ka'an Biosphere Reserve, Mexico 2008

The pygmy mangrove also includes Cladium jamaicensis and Elaocharis cellulosa.

Mayan Corridor mangroves 2007

The reserve lands also include upland and bottomland hardwood forests, freshwater marsh (Typha, Cladium), submerged aquatic vegetation (Ruppia, Valisneria) and unique bog habitats (Sarracenia, Drosera).

Weeks Bay National Estuarine Research Reserve, Alabama 2007

I suspect you mean switchgrass (Panicum virgatum), which is a native prairie grass, not sawgrass (Cladium jamaicense), which is found in the Everglades and Southeast coastal regions.

The Volokh Conspiracy » Forget Corn, Conserve Forests Instead. 2007