West Indian marsh grass
Quick Facts | ![]() |
|---|---|
| Scientific name | Hymenachne amplexicaulis |
| Origin | Central, South America, West Indies |
| Introduction | 1970s, natural colonization (?) |
| Aquatic community | Emergent |
| Habitat | Wet soils to shallow water |
| Distribution | South & Southwest Florida |
| Management effort | Maintenance control |
| 2012public waters / plant acres: | 35 / 1,070 |
Environmental and Economic Concerns
- Forms dense monocultures in marshes and along shorelines
- Displaces native grasses because of its broader tolerance to wet and dry periods
- Difficult to control when growing among native grasses because they are susceptible to the same control methods
Management Options | |
|---|---|
| Biological | None available |
| Chemical | Glyphosate |
| Mechanical | Impractical; plants grow in shallow marshes |
| Physical | Fire + glyphosate to control regrowth |
Florida Fish & Wildlife Conservation Commission, Status of the Aquatic Plant Maintenance Program in Florida Public Waters, Annual Report – Fiscal Year 2009-2010.
Last updated: 13 May 2013


