Native & Naturalized Plants of the Carolinas & Georgia

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range map need picture of flower of Podostemum ceratophyllum, Riverweed, Threadfoot, Riffleweed
camera icon speaker icon Common Name: Riverweed, Threadfoot, Riffleweed
Weakley's Flora: (5/21/15) Podostemum ceratophyllum
SYNONYMOUS WITH PLANTS National Database: Podostemum ceratophyllum
SYNONYMOUS WITH Vascular Flora of the Carolinas (1968): Podostemum ceratophyllum 090-01-001

GREATER THAN Manual of the Southeastern Flora (Small, 1933) Podostemon abrotanoides

GREATER THAN & ORTHOGRAPHIC VARIANT Manual of the Southeastern Flora (Small, 1933) Podostemon ceratophyllum

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"The most serious threats are those weeds so aggressive that they invade intact native ecosystems. These invasive aliens exhibit rapid growth and maturity; prolific seed production; highly successful seed dispersal, germination, and colonization; ability to outcompete native species; and high cost to remove and control. Often they are also free of the natural pests left behind in their native lands." — John Eastman, Book of Field and Roadside.