Quick Facts


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
2014 public waters / plant acres 202 / 763
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
  • Mats can break loose forming floating islands
  • Considered one of the world’s worst weeds

Florida Fish & Wildlife Conservation Commission, Status of the Aquatic Plant Maintenance Program in Florida Public Waters, Annual Report – Fiscal Year 2009-2010.