Characteristics
Hydrilla verticillata (L. f.) Royle
hydrilla, water thyme
An invasive aquatic of lakes and ponds.
Forb/herb
Perennial
Vascular
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Discovered in New York for the first time in 2008.
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Not Native
Naturalized
OBL (NWPL)
OBL (NWPL EMP)
OBL (NWPL NCNE)
SNA (State Rank)
GNR (Global Rank)
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Classification
Monocots
Alismatales
Hydrilla verticillata (L. f.) Royle - hydrilla, water thyme
Citation
Hydrilla verticillata (L. f.) Royle
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Species Distribution Map
This species has been reported in the counties highlighted in the interactive distribution map below. Click on a county to display its name.