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Cicuta douglasii (DC.) Coult. & Rose
western water hemlock
Symbol: CIDO
Group: Dicot
Family: Apiaceae
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 Cicuta douglasii (western water hemlock) to enlarge it and download  a high-resolution JPEG file Robert H. Mohlenbrock. USDA NRCS. 1992. Western wetland flora: Field office guide to plant species. West Region, Sacramento, CA. 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
Plant Images:

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Plant Synonyms:
 

CIMAC

Cicuta maculata L. var. californica (Gray) Boivin

More Information
About western water hemlock


Link to plant characteristics report for Cicuta douglasii

Link to plant Classification report for Cicuta douglasii

Plant source and reference for Cicuta douglasii

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State Distributional Map for CIDO
© Image generated using gd 1.8

Plant Distribution by State


Cicuta douglasii (DC.) Coult. & Rose

CIDO

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

CA
Alaska
California
Idaho
Montana
Nevada
Oregon
Washington

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California distribution information
Related Taxa:
Cicuta douglasii (DC.) Coult. & Rose

View 87 genera in Apiaceae, 4 species in Cicuta

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Classification:
Cicuta douglasii (DC.) Coult. & Rose

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 Rosidae
                      Order Apiales
                         Family Apiaceae – Carrot family
                            Genus Cicuta L. – water hemlock
                               Species Cicuta douglasii (DC.) Coult. & Rose – western water hemlock

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Invasive Information:
Cicuta douglasii (DC.) Coult. & Rose
        western water hemlock
        water hemlock
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.
WSWS   Whitson, T.D. (Ed.) et al.. 1996. Weeds of the West. Western Society of Weed Science in cooperation with Cooperative Extension Services, University of Wyoming. Laramie, Wyoming.. 630pp.
 

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Wetland Indicator Status:
Cicuta douglasii (DC.) Coult. & Rose
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 NO NO OBL NO NO NO OBL OBL OBL OBL OBL NO NO

Wetland Data InformationInterpreting wetland indicator status

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Other Species Accounts and Images:
Cicuta douglasii (DC.) Coult. & Rose
View photographs from CalPhotos.
View species account from ARS Germplasm Resources Information Network (GRIN).
View taxonomic account from Integrated Taxonomic Information System (ITIS) for ITIS Taxonomic Serial Number 29457.

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Related Web Sites:
Cicuta douglasii (DC.) Coult. & Rose

    British Columbia Ag. & Food, Crop Protection Program
    Cornell University: Poisonous Plant Databases (images)
    NV-Extension Weed Wanted Posters

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