Fred Bavendam / West Indian Manatee (Trichechus manatus) eating Hydrilla (Hydrilla sp) an introduced plant that often clogs waterways, Blue Spring State Park, Florida
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Michel Roggo / Rainbow River, with Tape or Eel Grass (Vallisneria americana), and some invasive Hydrilla, K.P. Hole Park, Florida, USA. March 2011. Photographed for The Freshwater Project
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Michel Roggo / Rainbow River, with Tape / Eel Grass (Vallisneria americana), and some invasive Hydrilla, KP.Hole Park, Florida, USA. March. Photographed for The Freshwater Project
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Michel Roggo / Rainbow River, with Tape / Eel Grass (Vallisneria americana), and some invasive Hydrilla K.P. Hole Park, Florida, USA. March 2011. Photographed for The Freshwater Project
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Michel Roggo / Rainbow River, with Tape / Eel Grass (Vallisneria americana), and some invasive Hydrilla. K.P. Hole Park, Florida, USA. March. Photographed for The Freshwater Project
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LYNN M. STONE / Glossy Ibis (Plegadis falcinellus) foraging in floating bed of hydrilla on freshwater lake. Sarasota, Florida, USA, April.
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Fred Bavendam / West Indian Manatee (Trichechus manatus) pair eating Hydrilla (Hydrilla sp) an introduced plant that often clogs waterways, Blue Spring State Park, Florida
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David Hall / West Indian manatee (Trichechus manatus) dappled in sunlight, grazing on Hydrilla (Hydrilla verticillata), a highly invasive fresh water plant originally from Asia, Crystal River, Florida, USA.