Fraxinus americana

Fraxinus americana

American ash, White Ash

Fraxinus pennsylvanica

Fraxinus pennsylvanica

Green Ash, Northern Red Ash, Red Ash

Zanthoxylum clava-herculis

Zanthoxylum clava-herculis

Hercules Club, Hercules'-Club, Pepperwood, Sea Ash, Southern Prickly Ash

Halesia carolina

Halesia carolina

Carolina Silverbell

Fraxinus latifolia

Fraxinus latifolia

Oregon Ash

Fraxinus texensis

Fraxinus texensis

Texas Ash

Alnus rhombifolia

Alnus rhombifolia

Sierra Alder, White Alder

Populus trichocarpa

Populus trichocarpa

Black Cottonwood , California Poplar, Western Balsam Poplar

Alnus incana

Alnus incana

Gray Alder, Grey Alder, Hoary Alder, Mountain Alder

Alnus incana

Alnus incana subsp. tenuifolia

ssp. tenuifolia

Mountain Alder, Thinleaf Alder

Betula occidentalis

Betula occidentalis

Red Birch, Water Birch, Western Red Birch

Betula lenta

Betula lenta subsp. uber

ssp. uber

Ashe Birch, Virginia Roundleaf Birch