Pilea microphylla (Linnaeus) Liebmann var. microphylla . Common name: Rockweed, Artilleryweed. Phenology: Jan-Dec. Habitat: Marl prairies, hammocks, pine rocklands, old rock and brick walls, urban areas, hammocks, especially in thin soil over limestone. Distribution: FL (perhaps more widespread as a native in the Southeastern US than just FL); West Indies; Mexico, Central America, and South America. Although listed by Radford, Ahles, & Bell (1968) for the Carolinas as "a weed in and around greenhouses, not established as part of our flora", this species is well-established and weedy in Charleston, SC and Savannah, GA. Native at least in FL, and perhaps further north, the original distribution unclear.

Origin/Endemic status: Native

Synonymy ⓘ: = NSProv, POWO, WI; = Adicea microphylla (L.) Kuntze — S13; = n/a — C, F, G, Va; < Pilea microphylla (L.) Liebm. — Ar, Bah, FNA3, K4, Mex, NS, RAB, S, WH3; Parietaria microphylla Linnaeus. Basionym: Parietaria microphylla L. 1759

Links to other floras: < Pilea microphylla - FNA3

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Wetland Indicator Status:

• Atlantic and Gulf Coastal Plain: FACU
• Eastern Mountains and Piedmont: FAC
• Midwest: FAC
• Northcentral & Northeast: FAC

Heliophily ⓘ: 6