[Pondweeds: The Genus Potamogeton in the Columbia River Gorge of Oregon and Washington]

Leafy Pondweed

Potamogeton foliosus

Synonyms: Potamogeton curtissii, Potamogeton foliosus ssp. foliosus, Potamogeton foliosus var. foliosus, Potamogeton foliosus var. macellus

Leafy Pondweed: Potamogeton foliosus (Synonyms: Potamogeton curtissii, Potamogeton foliosus ssp. foliosus, Potamogeton foliosus var. foliosus, Potamogeton foliosus var. macellus) - Leafy Pondweed: Potamogeton foliosus (Synonyms: Potamogeton curtissii, Potamogeton foliosus ssp. foliosus, Potamogeton foliosus var. foliosus, Potamogeton foliosus var. macellus)

Close-ups of the aquatic stem leaves and inflorescence (which extends above the water surface) of what may be leafy pondweed as seen in shallow waters at the edge of the Deschutes River at its mouth........July 17, 2009.

Leafy Pondweed: Potamogeton foliosus (Synonyms: Potamogeton curtissii, Potamogeton foliosus ssp. foliosus, Potamogeton foliosus var. foliosus, Potamogeton foliosus var. macellus) - Leafy Pondweed: Potamogeton foliosus (Synonyms: Potamogeton curtissii, Potamogeton foliosus ssp. foliosus, Potamogeton foliosus var. foliosus, Potamogeton foliosus var. macellus)

Two views of what might be leafy pondweed as seen in the permanent pothole pond at Dancing Rock, a Friends of the Gorge property in the eastern Columbia River Gorge.........July 17, 2009.

Paul Slichter