Calflora
Taxon  Report   6817    
Potamogeton nodosus  Poir.
Long leaved pondweed,  Longleaf pondweed, Pondweed
Potamogeton nodosus
© 2013 Jake Ruygt
Photos from
CalPhotos / Calflora
Potamogeton nodosus
© 2007 Neal Kramer
Potamogeton nodosus
© 2007 Neal Kramer
Potamogeton nodosus, a monocot, is a perennial herb (aquatic) 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
Potamogeton nodosus
© 2007 Neal Kramer
Communities: wetland-riparian

Wetlands: Occurs in wetlands

Name Status:
Accepted by JEF + PLANTS

Alternate Names:
PLANTS: Potamogeton americanus
PLANTS: Potamogeton fluitans
PLANTS: Potamogeton oblongifolius
More information about  Potamogeton nodosus
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 (PONO2)

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 17, 2018).

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