[The Flora of the Columbia River Gorge of Oregon and Washington] [The Trees of the Columbia River Gorge of Oregon and Washington]

The Broadleaf Trees and Shrubs of the Columbia River Gorge of Oregon and Washington

Oregon White Oak: Quercus garryana

Oregon White Oak: Quercus garryana

Tree-of-heaven: Ailanthus altissima (Synonym: Ailanthus glandulosa)

Pacific Dogwood in the Columbia River Gorge

The Alders of the Columbia River Gorge

Birch in the Columbia River Gorge

The Filberts and Hazelnuts of the Columbia River Gorge

The Aspen and Cottonwoods of the Columbia River Gorge

The Elm Family in the Columbia River Gorge

Willows of the Columbia River Gorge

The Maples of the Columbia River Gorge

Oregon White Oak in the Columbia River Gorge

The Olive or Ash Family in the Columbia River Gorge

The Mulberry or Fig Family in the Columbia River Gorge

Bearbrush, Fremont's Silk Tassel: Garrya fremontii (Synonym: Garrya fremontii var. laxa) -


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