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Lemna obscura (Austin) Daubs
Little duckweed

Family: Araceae

Group: Monocot

Substrate: Freshwater Aquatic

Habit: Herb

Perennation: Annual

Native Range: The United States and the Bahamas.

Map of select IRC data for peninsular Florida


SOUTH FLORIDA Occurrence: Present

SOUTH FLORIDA Native Status: Native

SOUTH FLORIDA Cultivated Status: Not Cultivated

Comments: For an image, click on the USDA PLANTS link below.

Other data on Lemna obscura available from :

Lemna obscura has been found in the following 16 conservation areas :
Occurrence Native Status
Arthur R. Marshall Loxahatchee National Wildlife Refuge Present Native
Big Cypress National Preserve Present Native
Caloosahatchee Creeks Preserve Present Native
Cholee Park Present Native
Coconut Creek Maple Swamp Natural Area Present Native
Corkscrew Swamp Sanctuary Present Native
Enchanted Forest Park Present Native
Everglades National Park Assumed to be Present Native
Holey Land Wildlife Management Area Present Native
Jonathan Dickinson State Park Present Native
Picayune Strand State Forest Present Native
Pond Apple Slough Natural Area Present Native
Prairie Pines Preserve Present Native
Rookery Bay National Estuarine Research Reserve Present Native
Six Mile Cypress Slough Preserve Present Native
Wild Turkey Strand Preserve Present Native

Lemna obscura has been found in the following 4 counties :
Occurrence Native Status
Collier County Native
Lee County Native
Miami-Dade County Native
Palm Beach County Native

Lemna obscura has been found in the following 2 habitats :
Disturbed Wetland
River Floodplain Lake