hydrilla
noun
hy·dril·la
hī-ˈdri-lə 
: a freshwater aquatic Asian plant (Hydrilla verticillata of the Hydrocharitaceae family) that has small narrow leaves growing in whorls of three to eight around stems which become heavily branched near the water surface
Examples of hydrilla in a Sentence
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The spread of aquatic invasive species such as hydrilla has been a major concern in Connecticut over the last few years.
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Stephen Underwood, Hartford Courant, 17 Mar. 2026
Glyphosate is one of 18 herbicides that contractors hired by Florida’s wildlife agency can use for controlling invasive aquatic plants, such as hydrilla and water hyacinth.
—Lawrence Mower, Miami Herald, 26 Feb. 2026
Today, the Erie Canal remains vulnerable to invasive plants, such as water chestnut and hydrilla, and invasive animals such as round goby.
—Christine Keiner, The Conversation, 15 Oct. 2025
Invasive aquatic plant hydrilla discovered in DuPage County One of the world’s most invasive aquatic plants is now in DuPage County, much to the concern of researchers and state officials.
—Chicago Tribune, 23 Dec. 2024
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Stephen Underwood, Hartford Courant, 17 Mar. 2026
Glyphosate is one of 18 herbicides that contractors hired by Florida’s wildlife agency can use for controlling invasive aquatic plants, such as hydrilla and water hyacinth.
—Lawrence Mower, Miami Herald, 26 Feb. 2026
Today, the Erie Canal remains vulnerable to invasive plants, such as water chestnut and hydrilla, and invasive animals such as round goby.
—Christine Keiner, The Conversation, 15 Oct. 2025
Invasive aquatic plant hydrilla discovered in DuPage County One of the world’s most invasive aquatic plants is now in DuPage County, much to the concern of researchers and state officials.
—Chicago Tribune, 23 Dec. 2024
See All Example Sentences for hydrilla
Cite this Entry
“Hydrilla.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydrilla. Accessed 14 Apr. 2026.
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