Taxon  Report   10921 
Helminthotheca echioides  (L. ) Holub
Bristly ox-tongue
Helminthotheca echioides
© 2003 George W. Hartwell
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Helminthotheca echioides
© 2001 James B. Gratiot
Helminthotheca echioides
© 2007 Neal Kramer
Helminthotheca echioides, a dicot, is an annual or perennial herb that is not native to California; it was introduced from elsewhere and naturalized in the wild.
It is an invasive plant. The California Invasive Plant Council classifies its potential impact on native ecosystems as limited (plant profile / CalWeedMapper).

Interactive Distribution Map


Observation Hotline
(observation details + photos)



point, line, or polygon

one or more occurrences
within a 7.5-minute quadrangle

Plant Characteristics
and Associations



Bloom Period
Helminthotheca echioides
© 2003 Christopher L. Christie
Family: ASTERACEAE  
Genus: Helminthotheca
Communities:
weed, characteristic of disturbed places, wetland-riparian
Habitat: disturbed [Walker]
Wetlands:Equally likely to occur in wetlands or non wetlands [U.S. Fish & Wildlife Service.]
Distribution by County 

Add an Observation of  Helminthotheca echioides

Name Status:
Accepted by TJM2
Alternate Names:
(according to)

TJM2: Picris echioides
More information about  Helminthotheca echioides
Photos on CalPhotos / Google Images
website references from Google

Photos and ID tips from PlantID.net

Jepson eFlora

Records from the Consortium of California Herbaria

Search 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]. 2016. Berkeley, California: The Calflora Database [a non-profit organization].
Available: http://www.calflora.org/   (Accessed: Apr 30, 2016).

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