HYDRILLA VERTICILLA HYDRILLA VERTICILLA

By Daja Harrell By Daja Harrell

And And

Fasia Amara Fasia Amara

Hydrilla Hydrilla

Scientific name- Scientific name- Hydrilla verticilla royle Hydrilla verticilla royle

Common name – Common name – Hydrilla Hydrilla

Kingdom- PlantaeKingdom- Plantae Phylum- Phylum-

Magnoliophyta Magnoliophyta Class- LiliopsidaClass- Liliopsida

Distribution Distribution Native to Africa, Australia, Native to Africa, Australia,

Europe, and parts of AsiaEurope, and parts of Asia Introduced in Florida around Introduced in Florida around

the 1950s or 1960s the 1950s or 1960s Can now be found in Florida, Can now be found in Florida,

California, Washington, California, Washington, Arizona, Texas, Louisiana, Arizona, Texas, Louisiana, Arkansas, Tennessee, Arkansas, Tennessee, Alabama, North Carolina, Alabama, North Carolina, South Carolina, Virginia, South Carolina, Virginia, Mississippi, Georgia Mississippi, Georgia

It was introduced because a it It was introduced because a it was brought here as a was brought here as a aquarium plantaquarium plant

Effects on people Effects on people Hydrilla cost lots of money to Hydrilla cost lots of money to

control because millions of control because millions of dollars are being spent on dollars are being spent on herbicides and mechanical herbicides and mechanical harvesters . harvesters .

Hydrilla interferes with boating, Hydrilla interferes with boating, swimming and fishing because swimming and fishing because it is too much in the water.it is too much in the water.

Slows water flows and clogs Slows water flows and clogs irrigation and flood control irrigation and flood control canals. canals.

Hydrilla is also classified as a Hydrilla is also classified as a noxious weed.noxious weed.

Effects on ecosystemEffects on ecosystem

Hydrilla is seen on the Hydrilla is seen on the surface of the ocean surface of the ocean

Hydrilla dominates Hydrilla dominates other plants like other plants like pondweed and pondweed and tapegrass tapegrass

Food web Food web

Reasons for success Reasons for success

Fishermen say that Fishermen say that Hydrilla brings in big Hydrilla brings in big fish.fish.

It provides protection It provides protection for fish, frogs turtles for fish, frogs turtles and aquatic insects and aquatic insects because they can because they can hide in Hydrilla.hide in Hydrilla.

Issues For the FutureIssues For the Future

There are attempts to control the species. There are attempts to control the species. Materials like mechanical harvesters, and Materials like mechanical harvesters, and biocontrol fish and insects are being used biocontrol fish and insects are being used to lessen the amount of Hydrilla.to lessen the amount of Hydrilla.