NYSDEC Hydrilla ID Card

Home , Hydrilla

PROTECT NEW YORK FROM INVASIVE SPECIES UNWANTED: UNWANTED: UNWANTED: Hydrilla verticillata verticillata Hydrilla verticillata An invasive aquatic plant recently An invasive aquatic plant recently found in several counties, hydrilla found in several counties, hydrilla could impact New York’s fshing, could impact New York’s fshing, could impact New York’s fshing, boating, swimming, and waterfront boating, swimming, boating,and waterfront swimming, and waterfront property values. Early detection of property values. Earlyproperty detection values. of Early detection of hydrilla could save the state millions hydrilla could save thehydrilla state could millions save the state millions in control costs. in control costs. in control costs. HELP IDENTIFY THIS PLANT HELP IDENTIFY THIS PLANT HELP IDENTIFY THIS PLANT BEFORE POPULATIONS ARE BEFORE POPULATIONS ARE BEFORE POPULATIONS ARE TOO LARGE TO ERADICATE TOO LARGE TO ERADICATE TOO LARGE TO ERADICATE OR MANAGE OR MANAGE OR MANAGE

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UNWANTED: UNWANTED: UNWANTED: Hydrilla verticillata Hydrilla verticillata Hydrilla verticillata An invasive aquatic plant recently An invasive aquatic plant recently An invasive aquatic plant recently found in several counties, hydrilla found in several counties, hydrilla found in several counties, hydrilla could impact New York’s fshing, could impact New York’s fshing, could impact New York’s fshing, boating, swimming, and waterfront boating, swimming, and waterfront boating, swimming, and waterfront property values. Early detection of property values. Early detection of property values. Early detection of hydrilla could save the state millions hydrilla could save the state millions hydrilla could save the state millions in control costs. in control costs. in control costs. HELP IDENTIFY THIS PLANT HELP IDENTIFY THIS PLANT HELP IDENTIFY THIS PLANT BEFORE POPULATIONS ARE BEFORE POPULATIONS ARE BEFORE POPULATIONS ARE TOO LARGE TO ERADICATE TOO LARGE TO ERADICATE TOO LARGE TO ERADICATE OR MANAGE OR MANAGE OR MANAGE

Keep this card in your boat or tackle Keep this card in your boat or tackle Keep this card in your boat or tackle box and let us know right away if you box and let us know right away if you box and let us know right away if you think you’ve found hydrilla. To learn think you’ve found hydrilla. To learn think you’ve found hydrilla. To learn more about this plant, visit http://www. more about this plant, visit http://www. more about this plant, visit http://www. dec.ny.gov/animals/104790.html dec.ny.gov/animals/104790.html dec.ny.gov/animals/104790.html Photo credit: Michael J. Grodowitz, U.S. Army Photo credit: Michael J. Grodowitz, U.S. Army Photo credit: Michael J. Grodowitz, U.S. Army Engineer Research and Development Center Engineer Research and Development Center Engineer Research and Development Center

HYDRILLA HYDRILLA HYDRILLA IDENTIFICATION IDENTIFICATION IDENTIFICATION

•Whorlsofmore •Whorlsofmore •Whorlsofmore than3leaves than3leaves than3leaves •Leavesoftenhave •Leavesoftenhave •Leavesoftenhave visiblytoothededge visiblytoothededge visiblytoothededge •Leafveinoftenhas •Leafveinoftenhas •Leafveinoftenhas smallvisiblespines smallvisiblespines smallvisiblespines

Credit: Illustrations from Center for Aquatic and Credit: Illustrations from Center for Aquatic and Credit: Illustrations from Center for Aquatic and Invasive Plants, University of Florida Invasive Plants, University of Florida Invasive Plants, University of Florida

Notice the toothed Notice the toothed Notice the toothed edges and whorls of edges and whorls of edges and whorls of more than three leaves. more than three leaves. more than three leaves.

Photo credit: Robert Vidéki, Doronicum Kft., Bugwood.org Photo credit: Robert Vidéki, Doronicum Kft., Bugwood.org Photo credit: Robert Vidéki, Doronicum Kft., Bugwood.org Think you’ve found hydrilla? Think you’ve found hydrilla? Think you’ve found hydrilla? Email us a picture of the plant stem Email us a picture of the plant stem Email us a picture of the plant stem against a light-colored background. against a light-colored background. against a light-colored background. If you can’t send a digital picture, If you can’t send a digital picture, If you can’t send a digital picture, email us at [email protected] and email us at [email protected] and email us at [email protected] and we’ll contact you. we’ll contact you. we’ll contact you.

Photo credit: Michael J. Grodowitz, U.S. Army Photo credit: Michael J. Grodowitz, U.S. Army Photo credit: Michael J. Grodowitz, U.S. Army Engineer Research and Development Center Engineer Research and Development Center Engineer Research and Development Center

HYDRILLA HYDRILLA HYDRILLA IDENTIFICATION IDENTIFICATION IDENTIFICATION

Notice the toothed Notice the toothed Notice the toothed edges and whorls of edges and whorls of edges and whorls of more than three leaves. more than three leaves. more than three leaves.