Calflora
Taxon  Report   4279 
Hydrilla verticillata  (L.f.) Royle
Hydrilla,  Waterthyme
Hydrilla verticillata
© 2001 CDFA
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CalPhotos
Hydrilla verticillata
© 2001 CDFA
Hydrilla verticillata
© 2001 CDFA
Hydrilla verticillata, a monocot, is a perennial herb that is not native to California; it was introduced from elsewhere and naturalized in the wild.
Invasive. Cal-IPC classifies the impact of this plant on native ecosystems as high. Plant Profile / CalWeedMapper


Hydrilla verticillata is classified by the U.S. Federal Government as a NOXIOUS WEED. [USDA 2000]

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
Hydrilla verticillata
© 2001 CDFA
Family: HYDROCHARITACEAE  
Genus: Hydrilla
Community:
wetland-riparian
Wetlands: Occurs in wetlands
Distribution by County 

Add an Observation of  Hydrilla verticillata

Name Status:
Accepted by TJM2 + PLANTS + JM93
 
More information about  Hydrilla verticillata
Photos on CalPhotos / Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

Original Publication citation (ITIS)

USDA PLANTS Profile (HYVE3)

Search the International Plants Names Index

Search efloras.org (Flora of North America)

website references from Google


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]. 2017. Berkeley, California: The Calflora Database [a non-profit organization].
Available: http://www.calflora.org/   (Accessed: Oct 18, 2017).

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