Calflora
Taxon  Report   6813    
Potamogeton gramineus  L.
Grass leaf pondweed,  Grass leaved pondweed, Variableleaf pondweed
Check for photos on
CalPhotos / Calflora
Potamogeton gramineus, 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
Communities: wetland-riparian

Wetlands: Occurs in wetlands

Name Status:
Accepted by JEF + PLANTS

Alternate Names:
PLANTS: Potamogeton gramineus var. graminifolius
PLANTS: Potamogeton gramineus var. maximus
PLANTS: Potamogeton gramineus var. myriophyllus
. . .
More information about  Potamogeton gramineus
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 (POGR8)

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 12, 2018).

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