Calflora
Taxon  Report   8379    
Zannichellia palustris  L.
Horned pondweed
Zannichellia palustris
© 2010 Neal Kramer
Photos from
CalPhotos / Calflora
Zannichellia palustris
© 2009 Neal Kramer
Zannichellia palustris, a monocot, is a perennial herb that is native to California, is also found elsewhere in North America and beyond.

Interactive Distribution Map


Observation Hotline
(observation details + photos)



point, line, or polygon

Plant Characteristics
and Associations



Bloom Period
Zannichellia palustris
© 2010 Neal Kramer
Communities: wetland-riparian

Wetlands: Occurs in wetlands

Name Status:
Accepted by JEF + PLANTS

Alternate Names:
PLANTS: Zannichellia major
PLANTS: Zannichellia palustris var. major
PLANTS: Zannichellia palustris var. stenophylla
More information about  Zannichellia palustris
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on PlantID.net   /   Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

ITIS Original Publication citation

USDA PLANTS Profile (ZAPA)

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]. 2018. Berkeley, California: The Calflora Database [a non-profit organization].
Available: https://www.calflora.org/   (Accessed: Nov 18, 2018).

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