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Floristic Inventory of the Florida Keys Database Online

Ruppia maritima L.
Wigeon-grass

Ruppia maritima
Copyright by: plantillustrations.org (public domain)
originally published in Thomé, O.W., Flora von Deutschland Österreich und der Schweiz, Tafeln, vol. 1: t. 31, fig. A (1885)

Family: Ruppiaceae

Group: Monocot

Substrate: Freshwater Aquatic

Habit: Herb

Perennation: Perennial

Native Range: Widespread but scattered in North America, the West Indies, Mexico, Central America, South America and the Old World in both temperate and tropical regions.

IRC SOUTH FLORIDA Status: Rare

Map of South Florida Locations

SOUTH FLORIDA Occurrence: Present

SOUTH FLORIDA Native Status: Native

SOUTH FLORIDA Cultivated Status: Not Cultivated

Comments: For images, visit CalPhotos.

FLORIDA KEYS Occurrence: Present

FLORIDA KEYS Native Status: Native

IRC FLORIDA KEYS Status: Critically Imperiled

Map of Florida Keys Locations

Florida Keys History and Distribution: Reported in 1913 by John Kunkel Small for pools and creeks in the lower Keys.  We consider this native and extant in the middle Keys and lower Keys.

Other data on Ruppia maritima available from :


Ruppia maritima has been reported from the following 5 conservation areas in the FLORIDA KEYS :
Occurrence Native Status
Dagny Johnson Key Largo Hammocks Botanical State Park Present Native
Long Key State Park Present Native
Middle Torch Hammocks Parcel 3063, Florida Keys Wildlife and Environmental Area Present Native
National Key Deer Refuge Present Native
Sugarloaf Hammocks, Florida Keys Wildlife and Environmental Area Present Native




Ruppia maritima has been reported for the following 2 habitats in THE FLORIDA KEYS :
Disturbed Wetland
Freshwater Tidal Swamp


All Images:

Ruppia maritima
Copyright by: plantillustrations.org (public domain)
originally published in Thomé, O.W., Flora von Deutschland Österreich und der Schweiz, Tafeln, vol. 1: t. 31, fig. A (1885)