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Lycopus americanus Muhl. ex W. Bart.
American water horehound
Symbol: LYAM
Group: Dicot
Family: Lamiaceae
Growth Habit: Forb/herb
Duration: Perennial
U.S. Nativity: Native
Click on the image below to enlarge it and download a high-resolution JPEG file.
Click on this Photograph of Lycopus americanus (American water horehound) to enlarge it and download a high-resolution JPEG file Robert H. Mohlenbrock. USDA SCS. 1989. Midwest wetland flora: Field office illustrated guide to plant species. Midwest National Technical Center, Lincoln, NE. Courtesy of USDA NRCS Wetland Science Institute. Usage Guidelines.

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Classification Distribution Images Invasive Links More Info Noxious Related Taxa Synonyms Wetland
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Plant Synonyms:
LYAM Lycopus americanus Muhl. ex W. Bart.
 

LYAML

Lycopus americanus Muhl. ex W. Bart. var. longii Benner
 

LYAMS

Lycopus americanus Muhl. ex W. Bart. var. scabrifolius Fern.
 

LYSI3

Lycopus sinuatus Ell.
More Information
About American water horehound

Link to plant characteristics report for Lycopus americanus

Link to plant Classification report for Lycopus americanus

Plant source and reference for Lycopus americanus

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State Distributional Map for LYAM
© Image generated using gd 1.8
Plant Distribution by State

Lycopus americanus Muhl. ex W. Bart.

LYAM

See county distributions for the following states by clicking on them below or on the map.

AR CA CT
FL* IL IA
KS KY ME
MA MI MO
NH NC ND
RI SC SD
TN* UT* VT
VA WV WI*
* Offsite source.
Alabama
Arizona
Arkansas
California
Colorado
Connecticut
Delaware
Florida
Georgia
Idaho
Illinois
Indiana
Iowa
Kansas
Kentucky
Louisiana
Maine
Maryland
Massachusetts
Michigan
Minnesota
Mississippi
Missouri
Montana
Nebraska
New Hampshire
New Jersey
New Mexico
New York
North Carolina
North Dakota
Ohio
Oklahoma
Oregon
Pennsylvania
Rhode Island
South Carolina
South Dakota
Tennessee
Texas
Utah
Vermont
Virginia
Washington
West Virginia
Wisconsin
Wyoming

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Kansas distribution information Michigan distribution information New Hampshire distribution information Utah distribution information linked offsite at Utah State University West Virginia distribution information Wisconsin distribution information linked offsite at University of Wisconsin Madison Iowa distribution information Arkansas distribution information Connecticut distribution information Maine distribution information Massachusetts distribution information South Dakota distribution information North Carolina distribution information Illinois distribution information North Dakota distribution information Virginia distribution information Kentucky distribution information California distribution information Missouri distribution information Vermont distribution information Tennessee distribution information linked offsite at Univerity of Tennessee Herbarium Rhode Island distribution information South Carolina distribution information Florida distribution information linked offsite at USF Atlas of Florida Vascular Plants
Related Taxa:
Lycopus americanus Muhl. ex W. Bart.

View 77 genera in Lamiaceae, 9 species in Lycopus

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Classification:
Lycopus americanus Muhl. ex W. Bart.

Click on a scientific name below to expand it in the PLANTS Classification Report.
   
    Kingdom Plantae – Plants
       Subkingdom Tracheobionta – Vascular plants
          Superdivision Spermatophyta – Seed plants
             Division Magnoliophyta – Flowering plants
                Class Magnoliopsida – Dicotyledons
                   Subclass Asteridae –
                      Order Lamiales –
                         Family Lamiaceae – Mint family
                            Genus Lycopus L. – waterhorehound
                               Species Lycopus americanus Muhl. ex W. Bart. – American water horehound

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Invasive Information:
Lycopus americanus Muhl. ex W. Bart.
        American bugleweed
        water horehound
        American water horehound
This plant is considered invasive by the authoritative sources noted below. This plant may be known by one or more common names in different places, and some are listed above. Click on an acronym to view each invasive plant list, or click here for a composite list of Invasive Plants of the U.S.
NE&GP;   Stubbendieck, J., G.Y. Friisoe, & M.R. Bolick. 1994. Weeds of Nebraska and the Great Plains. Nebraska Department of Agriculture, Bureau of Plant Industry. Lincoln, Nebraska.. 589pp.
 

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Wetland Indicator Status:
Lycopus americanus Muhl. ex W. Bart.
Nat. Ind. Reg. 1 Reg. 2 Reg. 3 Reg. 4 Reg. 5 Reg. 6 Reg. 7 Reg. 8 Reg. 9 Reg. 0 Reg. A Reg. C Reg. H
OBL OBL OBL OBL OBL OBL OBL OBL OBL OBL OBL NO NO NO

Wetland Data InformationInterpreting wetland indicator status

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Other Species Accounts and Images:
Lycopus americanus Muhl. ex W. Bart.

View species account from USF Atlas of Florida Vascular Plants.
View taxonomic account from Integrated Taxonomic Information System (ITIS) for ITIS Taxonomic Serial Number 32254.
View photographs from University of Tennessee Herbarium.
View species account or photographs from Wisconsin State Herbarium (UW-Madison).

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