Calflora Taxon Report
Potamogeton praelongus  Wulfen
White stemmed pondweed, Whitestem pondweed
photo on Calflora
2024 Matt Berger
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2022 Bas Kers
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2024 Matt Berger
photo on CalPhotos
2011 Sierra Pacific Industries
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2024 Matt Berger
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2019 Cynthia Powell
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2024 Matt Berger
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2018 Ramona Robison
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2018 Cynthia Powell
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2023 Dana York
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2023 Dana York
photo on Calflora
2023 Dana York
photo on Calflora
2022 Cynthia Powell
photo on Calflora
2022 Cynthia Powell
photo on Calflora
2019 Cynthia Powell
photo on Calflora
2019 Cynthia Powell
photo on Calflora
2019 Cynthia Powell
photo on Calflora
2019 Cynthia Powell
photo on Calflora
2016 Steven Perry
Potamogeton praelongus is a perennial herb (rhizomatous) that is native to California, and also found elsewhere in North America and beyond.
California Rare Plant Rank: 2B.3 (rare, threatened, or endangered in CA; common elsewhere).
Siskiyou Del Norte Modoc Humboldt Shasta Lassen Trinity Plumas Tehama Butte Mendocino Glenn Sierra Yuba Lake Nevada Colusa Placer Sutter El Dorado Yolo Alpine Napa Sonoma Sacramento Mono Amador Solano Calaveras Tuolumne San Joaquin Marin Contra Costa Alameda Santa Cruz Mariposa Madera San Francisco San Mateo Merced Fresno Stanislaus Santa Clara Inyo San Benito Tulare Kings Monterey San Bernardino San Luis Obispo Kern Santa Barbara Ventura Los Angeles Riverside Orange San Diego Imperial
DJJJASONAFMM

Bloom Period
Genus: Potamogeton
Family: Potamogetonaceae  
Category: angiosperm  
PLANTS group:Monocot
Jepson eFlora section: monocot
Wetlands: Occurs in wetlands

Habitat: freshwater-marsh, lakes

Communities: Freshwater Wetlands, wetland-riparian

Name Status:
Accepted by JEF + CNPS + PLANTS + POWO
Alternate Names:
PLANTSPotamogeton praelongus var. angustifolius
External links:
Suggested Citation
“Calflora - Taxon Report.” The Calflora Database, a non-profit organization. .

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