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Floristic Inventory of the Florida Keys Database Online

Eleocharis geniculata (L.) Roem. & Schult.
Canada spikerush

Eleocharis geniculata
Copyright by: George D. Gann

Family: Cyperaceae

Group: Monocot

Substrate: Terrestrial

Habit: Herb

Perennation: Annual

Native Range: Widespread in North America, the West Indies, Mexico, Central America and South America.

IRC SOUTH FLORIDA Status: Secure

Map of select IRC data for peninsular Florida

SOUTH FLORIDA Occurrence: Present

SOUTH FLORIDA Native Status: Native

SOUTH FLORIDA Cultivated Status: Cultivated

Comments: Visit our Natives For Your Neighborhood website for more information and images.

Synonyms: E. capitata; E. atropurpurea, misapplied.

FLORIDA KEYS Occurrence: Present

FLORIDA KEYS Native Status: Native

IRC FLORIDA KEYS Status: Critically Imperiled

Map of select IRC data for the Florida Keys

Florida Keys History and Distribution: Reported in 1913 by John Kunkel Small for sandy places and open hammocks in the lower Keys.  We consider this native and extant from the upper Keys to the lower Keys.

Other data on Eleocharis geniculata available from :


Eleocharis geniculata has been reported from the following 5 conservation areas in the FLORIDA KEYS :
Occurrence Native Status
Bahia Honda State Park Present Native
Dagny Johnson Key Largo Hammocks Botanical State Park Present Native
John Pennekamp Coral Reef State Park Assumed to be Present Native
National Key Deer Refuge Present Native
Ramrod Hammocks, Florida Keys Wildlife and Environmental Area Present Native




Eleocharis geniculata has been reported for the following 3 habitats in THE FLORIDA KEYS :
Coastal Interdunal Swale
Disturbed Wetland
Salt Marsh


All Images:

Eleocharis geniculata
Copyright by: George D. Gann

Eleocharis geniculata
Copyright by: Keith A. Bradley

Eleocharis geniculata
Copyright by: Keith A. Bradley

Eleocharis geniculata
Copyright by: Jay Horn via iNaturalist

Eleocharis geniculata
Copyright by: Jay Horn via iNaturalist