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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.

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: Cultivated

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

Other data on Pilea microphylla available from :

Atlas of Florida Vascular Plants
Pilea microphylla has been found in the following 95 conservation areas :
Occurrence Native Status
Alice C. Wainwright Park Present Native
Arch Creek Park Present Native
Bahia Honda State Park Present Native
Big and Little George Hammocks Present Native
Big Cypress National Preserve Present Native
Bill Sadowski Park Present Native
Biscayne National Park Present Native
Biscayne National Park, Florida Keys Section Present Native
Black Creek Forest Present Native
Black Point Park and Marina Present Native
Blazing Star Preserve Present Native
Camp Owaissa Bauer Present Native
Castellow Hammock Park Present Native
Coconut Creek Maple Swamp Natural Area Present Native
Coral Pines Park Present Native
Coral Reef Park Present Native
Corkscrew Regional Ecosystem Watershed (CREW) Present Native
County Line Scrub, Miami-Dade County Present Native
Dagny Johnson Key Largo Hammocks Botanical State Park Present Native
Deering Estate at Cutler Present Native
Delray Beach Municipal Beach Possibly Extirpated Possibly Extirpated
Delray Oaks Natural Area Present Native
Dolphin Center and Dolphin Center Addition Present Native
Doris Davis Forman Wilderness Preserve Natural Area Present Native
Dr. Von D. Mizell-Eula Johnson State Park Present Native
Dupuis Reserve Present Native
Eachus Pineland Present Native
Enchanted Forest Park Present Native
Everglades and Francis S. Taylor Wildlife Management Area Present Native
Everglades National Park Present Native
Fakahatchee Strand Preserve State Park Present Native
Fern Forest Nature Center Present Native
Fisheating Creek Wildlife Management Area Present Native
Florida Atlantic University Ecological Site Present Native
Frenchman's Forest Natural Area Present Native
Frog Pond/L-31 N Transition Lands Present Native
Gulfstream Park Present Native
Harden Hammock Present Native
Hattie Bauer Hammock Present Native
Hillsboro Pineland Natural Area Present Native
Hobe Sound National Wildlife Refuge Present Native
Holiday Hammock Present Native
Hugh Taylor Birch State Park Present Native
Ingram Pineland Present Native
J.W. Corbett Wildlife Management Area Present Native
John D. MacArthur Beach State Park Present Native
John Pennekamp Coral Reef State Park Present Native
Jonathan Dickinson State Park Present Native
Juno Dunes Natural Area Present Native
Kendalwood Present Native
Larry and Penny Thompson Park Present Native
Lignumvitae Key Botanical State Park Present Native
Long Key Natural Area & Nature Center Present Native
Long Key State Park Present Native
Loxahatchee River Natural Area Present Native
Lucille Hammock Present Native
Luis Martinez United States Army Reserve Station, Richmond Pine Rocklands Present Native
Matheson Hammock Park Present Native
National Key Deer Refuge Present Native
Navy Wells Pineland Preserve Present Native
Ned Glenn Nature Preserve Present Native
Nixon Smiley Pineland Addition Present Native
Oleta River State Park Present Native
Palm Drive Pineland Present Native
Peck Lake Park Present Native
Pine Island Ridge Natural Area Present Native
Pine Jog Environmental Sciences Center Present Native
Pine Shore Preserve Present Native
Quail Roost Pineland Present Native
R. Hardy Matheson Preserve Present Native
Red Reef Park, including Gumbo Limbo Nature Center Present Native
Riverbend Park Present Native
Rock Pit 34 Present Native
Rock Pit 39 Possibly Extirpated Possibly Extirpated
Rocky Point Hammock Present Native
Ron Ehmann Park Present Native
Rookery Bay National Estuarine Research Reserve Present Native
Royal Palm Beach Pines Natural Area Present Native
Savannas Preserve State Park Present Native
Seabranch Preserve State Park Present Native
Secret Woods Nature Center Present Native
Seminole Wayside Park Present Native
Silver Palm Groves Present Native
Silver Palm Hammock Present Native
Simpson Park Present Native
SOCSOUTH Present Native
South Beach Park Present Native
Tamiami Pineland Complex Addition Present Native
Trail Glades Range Present Native
Tree Island Park Present Native
Tree Tops Park Present Native
Tropical Park Present Native
Vizcaya Museum and Gardens Present Native
Yamato Scrub Natural Area Present Native
Zoo Miami Present Native

Pilea microphylla has been found in the following 7 counties :
Occurrence Native Status
Broward County Native
Collier County Native
Lee County Native
Martin County Native
Miami-Dade County Native
Monroe County (Keys) Native
Monroe County (Mainland) Native

Pilea microphylla has been found in the following 15 habitats :
Alluvial Forest
Coastal Strand
Disturbed Upland
Disturbed Wetland
Dome Swamp
Floodplain Swamp
Freshwater Tidal Swamp
Maritime Hammock
Marl Prairie
Mesic Hammock
Pine Rockland
Prairie Hammock
Rockland Hammock
Sinkhole
Strand Swamp

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