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Pest Information

Many-flower Marsh Pennywort

Many-flower Marsh Pennywort

  • Latin Name: Hydrocotyle Umbellata
  • Common Name: Many-flower Marsh Pennywort
  • Other Names: N/A

Pest Details

Many-flower Marsh Pennywort
Many-flower Marsh Pennywort


Native to North and South America, and found throughout most of the eastern half of the U.S., as well as along the West Coast.


A perennial, creeping plant that establishes roots at the nodes of the spreading stolons and rhizomes. A pest in turf where it may be mistaken for dichondra, except for the margins of the leaves, which are strongly notched.


Small leaved, mat-forming plants with thin, creeping stems. Leaves are from ½ to 2 inches across, round, and with the margin notched or toothed along its entire length.

Characteristicts Important to Control:

A perennial that spreads by rhizomes and stolons. Physical removal is extremely difficult, as the plant establishes itself readily in turf.

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