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Urban Tree Key / Pinnately compound / Leaves opposite / Leaves pinnate/ Leaflets ≥ 7 / Ashes / Stalked / Flowers green / Hairless / 7 leaflets

Leaflet margins regularly toothed, underside green, tree evergreen or briefly deciduous, bark scaly……….Fraxinus uhdei

Leaflet margins smooth, wavy, or sparsely toothed, undersides whitish, tree deciduous, bark with interlacing corduroy-like ridges……….Fraxinus americana

Fraxinus uhdei

Shamel Ash

Fraxinus americana

White Ash

Urban Forest Ecosystems Institute
NRES Department
California Polytechnic State University
San Luis Obispo, CA 93407

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