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

Floating Pondweed , Floating-leaved Pondweed

Potamogeton natans

Floating-leaved Pondweed, Floating Pondweed: Potamogeton natans

Floating pondweed in a drying pond at Horsethief Butte State Park........August 8, 2011.

Floating-leaved Pondweed, Floating Pondweed: Potamogeton natans - Floating-leaved Pondweed, Floating Pondweed: Potamogeton natans

The photo above shows the floating leaves and spike of floating pondweed as seen in a canal along the Willard Springs Trail at Conboy Lake NWR........August 17, 2007. The base of the leaves of this species are rounded to cordate (heart-shaped) as seen here.

Floating-leaved Pondweed, Floating Pondweed: Potamogeton natans

Floating-leaved Pondweed, Floating Pondweed: Potamogeton natans - Floating-leaved Pondweed, Floating Pondweed: Potamogeton natans

Close-ups of the floating leaves of floating pondweed as seen in the central canal through Conboy Lake NWR as seen at Kreps Lane..............July 31, 2008.
Paul Slichter