Quick Facts

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Scientific name Urochloa mutica
Origin Africa
Introduction Late 1800s, forage grass
Aquatic community Emergent grass
Habitat Wet soils, shorelines, floating mats
Distribution Central and South Florida
Management effort Complaint management
2017 public waters / plant acres 195 (42%) / 1,203
2017 Waters / acres controlled 8 / 993
Urochloa muticaUrochloa mutica

Management Options

Biological None available
Chemical Glyphosate, imazapyr
Mechanical Mowing; harvest or shred floating mats
Physical Drawdown, desiccation, and burning

Environmental and Economic Concerns

  • Sprawling grass up to 15 feet long that forms dense tufts on shorelines
  • Provides little wildlife value and crowds out native plants
  • Covers vast areas of wetlands and marshes, especially south Florida
  • Fills ditches and shallow canals, impeding water movement
  • Mats can break loose from shorelines forming floating islands

Florida Fish & Wildlife Conservation Commission, Status of the Aquatic Plant Maintenance Program in Florida Public Waters, Annual Report – Fiscal Year 2016-2017.