Potamogetonaceae
Richardson's pondweed
Potamogeton richardsonii
- Family
- Potamogetonaceae
- Genus
- Potamogeton
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Common names
By language (1)
- English
- Richardson's pondweed
Synonyms
- Potamogeton perfoliatus subsp. richardsonii (A.Benn.) Hultén
- Potamogeton perfoliatus var. lanceolatus J.W.Robbins
- Potamogeton perfoliatus var. richardsonii A.Benn.
- Potamogeton perfoliatus var. sachalinensis H.Lév.
- Potamogeton sachalinensis (H.Lév.) H.Lév.
- Spirillus perfoliatus var. richardsonii (A.Benn.) Nieuwl.
Flowers
- In flower
- June to August (from 26 flowering iNaturalist observations worldwide)
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Perennial
- In the US and Canada
- Alaska: native, Canada: native, Lower 48 states: native
Photos
FlowerPhoto: mfeaver, CC BY 4.0, from iNaturalist 
FlowerPhoto: Kallum McDonald, CC0, from iNaturalist 
FlowerPhoto: Norma Malinowski, CC BY 4.0, from iNaturalist 
FlowerPhoto: mfeaver, CC BY 4.0, from iNaturalist 
Photo: Timothy McNitt, CC BY 4.0, from iNaturalist 
Photo: C.B. Hellquist, CC BY 3.0, from Wikimedia Commons 
Photo: Carter Dorscht, CC0, from iNaturalist 
Photo: Cricket Raspet, CC BY 4.0, from iNaturalist 
Photo: Doug Macaulay, CC BY 4.0, from iNaturalist 
Photo: rboles, CC BY 4.0, from iNaturalist 
Photo: Nolan Exe, CC BY 4.0, from iNaturalist 
Photo: Timothy McNitt, CC BY 4.0, from iNaturalist
More in Potamogeton
- Broad-leaved pondweedPotamogeton natansPotamogetonaceae
- Curled pondweedPotamogeton crispusPotamogetonaceae
- Claspingleaf pondweedPotamogeton perfoliatusPotamogetonaceae
- Shining pondweedPotamogeton lucensPotamogetonaceae
- Bog pondweedPotamogeton polygonifoliusPotamogetonaceae
- Long-stalked pondweedPotamogeton praelongusPotamogetonaceae
- Alpine pondweedPotamogeton alpinusPotamogetonaceae
- Variableleaf pondweedPotamogeton gramineusPotamogetonaceae
- Loddon pondweedPotamogeton nodosusPotamogetonaceae
- Blunt-leaved pondweedPotamogeton obtusifoliusPotamogetonaceae
- Small pondweedPotamogeton pusillusPotamogetonaceae
- Sharp-leaved pondweedPotamogeton acutifoliusPotamogetonaceae
Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.