[Pondweeds of Denali National Park and Preserve]

Alpine Pondweed, Northern Pondweed, Reddish Pondweed

Potamogeton alpinus

Synonyms: Potamogeton alpinus ssp. tenuifolius, Potamogeton alpinus var. subellipticus, Potamogeton alpinus var. tenuifolius, Potamogeton tenuifolius, Potamogegon tenuifolius var. subellipticus

Inflorescence of Alpine Pondweed, Northern Pondweed, Reddish Pondweed: Potamogeton alpinus (Synonyms: Potamogeton alpinus ssp. tenuifolius, Potamogeton alpinus var. subellipticus, Potamogeton alpinus var. tenuifolius, Potamogeton tenuifolius, Potamogegon tenuifolius var. subellipticus)

The photo above shows a close-up of the inflorescence of alpine pondweed as seen in a small stream that runs through a vernally wet meadow.

Alpine Pondweed, Northern Pondweed, Reddish Pondweed: Potamogeton alpinus (Synonyms: Potamogeton alpinus ssp. tenuifolius, Potamogeton alpinus var. subellipticus, Potamogeton alpinus var. tenuifolius, Potamogeton tenuifolius, Potamogegon tenuifolius var. subellipticus) - Alpine Pondweed, Northern Pondweed, Reddish Pondweed: Potamogeton alpinus (Synonyms: Potamogeton alpinus ssp. tenuifolius, Potamogeton alpinus var. subellipticus, Potamogeton alpinus var. tenuifolius, Potamogeton tenuifolius, Potamogegon tenuifolius var. subellipticus)

The photo above shows a close-up of the inflorescence of alpine pondweed as seen in a small stream that runs through a vernally wet meadow.

Alpine Pondweed, Northern Pondweed, Reddish Pondweed: Potamogeton alpinus (Synonyms: Potamogeton alpinus ssp. tenuifolius, Potamogeton alpinus var. subellipticus, Potamogeton alpinus var. tenuifolius, Potamogeton tenuifolius, Potamogegon tenuifolius var. subellipticus)

The photo above shows a close-up of the submergedstem leaves of alpine pondweed as seen in a small stream that runs through a vernally wet meadow. The leaves of this species are all similar in shape.
Paul Slichter