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Dichanthelium portoricense (Desv. ex Ham.) B.F. Hansen & Wunderlin
Hemlock witchgrass

Dichanthelium portoricense
Copyright by: Grasses, Sedges and Rushes of Palm Beach and Martin Counties, Florida website.

Family: Poaceae

Group: Monocot

Substrate: Terrestrial

Habit: Herb

Perennation: Perennial

Native Range: Eastern and central United States, the Greater Antilles, Mexico and Central America.

Map of select IRC data for peninsular Florida

IRC SOUTH FLORIDA Status: Secure

SOUTH FLORIDA Occurrence: Present

SOUTH FLORIDA Native Status: Native

SOUTH FLORIDA Cultivated Status: Not Cultivated

Comments: For more images, click on the Atlas of Vascular Plants link below.

Other data on Dichanthelium portoricense available from :

Atlas of Florida Vascular Plants
Dichanthelium portoricense has been found in the following 54 conservation areas :
Occurrence Native Status
Babcock Ranch Preserve Present Native
Big Cypress National Preserve Present Native
Caloosahatchee Creeks Preserve Present Native
Caloosahatchee Regional Park Present Native
Cayo Costa State Park Present Native
Collier-Seminole State Park Present Native
Corkscrew Regional Ecosystem Watershed (CREW) Present Native
County Line Scrub, Miami-Dade County Present Native
Danforth Park Present Native
Deering Estate at Cutler Present Native
Delray Beach, Lake Ida parcel Present Native
Delray Oaks Natural Area Present Native
Dolphin Center and Dolphin Center Addition Present Native
Dupuis Reserve Present Native
Florida Atlantic University Ecological Site Present Native
Florida Panther National Wildlife Refuge Present Native
Fort Lauderdale Ex. Airport Gopher Tortoise Preserve Present Native
Frenchman's Forest Natural Area Present Native
Gomez Present Native
Halpatiokee Regional Park Present Native
Hawk's Hammock Park Present Native
Hickey Creek Mitigation Park Wildlife and Environmental Area Present Native
High Ridge Scrub Natural Area Present Native
Hillsboro Pineland Natural Area Present Native
Hobe Sound National Wildlife Refuge Present Native
Hobe Sound Sandhill Present Native
J.W. Corbett Wildlife Management Area Present Native
Jonathan Dickinson State Park Present Native
Juno Dunes Natural Area Present Native
Jupiter Inlet Lighthouse Outstanding Natural Area Present Native
Jupiter Ridge Natural Area Present Native
LaBelle Nature Park Present Native
Ludlam Pineland Present Native
National Key Deer Refuge Reported
Okaloacoochee Slough State Forest, Okaloacoochee Slough Wildlife Management Area Present Native
Pal-Mar Present Native
Peck Lake Park Present Native
Picayune Strand State Forest Present Native
Pine Jog Environmental Sciences Center Present Native
Prairie Pines Preserve Present Native
Railhead Scrub Preserve Present Native
Rocky Point Hammock Present Native
Rookery Bay National Estuarine Research Reserve Present Native
Rosemary Scrub Natural Area Present Native
Royal Palm Beach Pines Natural Area Present Native
Savannas Preserve State Park Present Native
Scrub Oak Park Present Native
Seabranch Preserve State Park Present Native
Seacrest Scrub Natural Area Present Native
Six Mile Cypress Slough Preserve Present Native
Tilton Present Native
Wild Turkey Strand Preserve Present Native
Yamato Scrub Natural Area Present Native
Yellow Fever Creek Preserve Present Native

Dichanthelium portoricense has been found in the following 10 counties :
Occurrence Native Status
Broward County Native
Charlotte County Native
Collier County Native
Glades County Native
Hendry County Native
Lee County Native
Martin County Native
Miami-Dade County Native
Monroe County (Mainland) Native
Palm Beach County Native

Dichanthelium portoricense has been found in the following 6 habitats :
Mesic Flatwoods
Pine Rockland
Rockland Hammock
Scrub
Scrubby Flatwoods
Wet Flatwoods

All Images:

Dichanthelium portoricense
Copyright by: Grasses, Sedges and Rushes of Palm Beach and Martin Counties, Florida website.
Dichanthelium portoricense
Copyright by: Shirley Denton