Taxon  Report   2317 
Conium maculatum  L.
poison hemlock
Conium maculatum, a dicot, is a perennial herb that is not native to California; it was introduced from elsewhere and naturalized in the wild.
The California Invasive Plant Council classifies its potential impact on native ecosystems as moderate   (plant profile / CalWeedMapper).
 

 Interactive Distribution Map 


 Observation Hotline 
 (observation details + photos)



 Distribution by County 

point, line, or polygon

one or more occurrences within a 7.5-minute quadrangle

 Plant Characteristics
 and Associations



Bloom Period
Conium maculatum
© 2008 Keir Morse
Conium maculatum
© 2009 Neal Kramer
Conium maculatum
© 2011 Louis-M. Landry
Communities:
weed, characteristic of disturbed places, wetland-riparian
Habitat: disturbed, disturbed [Walker]
Wetlands:Equally likely to occur in wetlands or non wetlands [U.S. Fish & Wildlife Service.]
Toxicity: MAJOR   [California Poison Control System 2010]    
Family: APIACEAE  
Genus: Conium
Add an Observation of  Conium maculatum
 
Name Status:
Accepted by TJM2 + PLANTS + JM93
 
 Information about  Conium maculatum  from other sources:
USDA PLANTS Profile (COMA2)

Photos on CalPhotos / Google Images

website references on Google
 

Jepson eFlora (TJM2)

Records from the Consortium of California Herbaria

Original Publication citation. on the International Plants Names Index

Search efloras.org (Flora of North America)

Suggested Citation
Calflora: Information on California plants for education, research and conservation,
with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria.
[web application]. 2014. Berkeley, California: The Calflora Database [a non-profit organization].
Available: http://www.calflora.org/   (Accessed: Dec 17, 2014).

The information on this page comes from diverse sources. None of the links are sponsored.

Applications About Calflora Search for Plants
Calflora  -  1700 Shattuck Avenue   #198,   Berkeley, CA   94709  -  510 883-3148  -  CONTACT