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Floristic Inventory of the Florida Keys Database Online

Pilea microphylla (L.) Liebm.
Artillery plant, Rockweed

Pilea microphylla
Copyright by: James Johnson, 2014
In habitat, Hillsboro Pineland Natural Area, Broward County, Florida
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Family: Urticaceae

Group: Dicot

Substrate: Terrestrial

Habit: Herb

Perennation: Perennial

Native Range: Southeastern United States, the West Indies, Mexico, Central America and South America; naturalized in Hawaii and elsewhere.

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

FLORIDA KEYS Occurrence: Present

FLORIDA KEYS Native Status: Native

IRC FLORIDA KEYS Status: Rare

Map of select IRC data for the Florida Keys

Florida Keys History and Distribution: Reported in 1913 by John Kunkel Small for hammocks in the lower Keys.  Apparently spreading as a weed in the middle and upper Keys.

Other data on Pilea microphylla available from :


Pilea microphylla has been reported from the following 7 conservation areas in the FLORIDA KEYS :
Occurrence Native Status
Bahia Honda State Park Present Native
Biscayne National Park, Florida Keys Section Present Native
Dagny Johnson Key Largo Hammocks Botanical State Park Present Native
John Pennekamp Coral Reef State Park Present Native
Lignumvitae Key Botanical State Park Present Native
Long Key State Park Present Native
National Key Deer Refuge Present Native




Pilea microphylla has been reported for the following 6 habitats in THE FLORIDA KEYS :
Disturbed Upland
Disturbed Wetland
Freshwater Tidal Swamp
Pine Rockland
Rockland Hammock
Sinkhole


All Images:

Pilea microphylla
Copyright by: James Johnson, 2014
In habitat, Hillsboro Pineland Natural Area, Broward County, Florida
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Pilea microphylla
Copyright by: Keith A. Bradley

Pilea microphylla
Copyright by: Keith A. Bradley