Columbia River Willow, Coyote Willow, Narrowleaf Willow
Salix exigua
Synonyms: Salix argophylla, Salix exigua var. angustissima, Salix exigua var. columbiana, Salix exigua var. exigua, Salix exigua var. hindsiana, Salix exigua var. luteosericea, Salix exigua var. nevadensis, Salix exigua var. stenophylla, Salix exigua var. virens, Salix parishiana

Dorsal leaf surface (top) and ventral leaf surface (bottom) of coyote willow as seen at a permanent pothole pond on the Friends of the Gorge Dancing Rock property in the eastern Columbia River Gorge..................July 17, 2009.
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Close-up views of coyote willow as seen at a permanent pothole pond on the Friends of the Gorge Dancing Rock property in the eastern Columbia River Gorge..................July 17, 2009.
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Aditional close-ups of what appears to be coyote willow as seen along the western shoreline of the Deschutes River about one-half mile upstream from the Columbia River....................July 27, 2011. Note the fine hairs on the underside of the leaves and the female inflorescences beginning to bloom in mid-summer.
Paul Slichter