White alder
Alnus rhombifolia

Quaking aspen
Populus tremuloides

Fremont cottonwood
Populus fremontii ssp. fremontii

Black cottonwood
Populus balsamifera ssp. trichocarpa

Arroyo willow
Salix lasiolepis

California buckeye
Aesculus californica

Mexican or blue elderberry
Sambucus mexicana

California ash
Fraxinus dipetala

Velvet or Arizona ash
Fraxinus velutina

Desert ironwood
Olneya tesota

Palo verde
Cercidium floridum ssp. floridum

Bitter cherry
Prunus emarginata

Mountain dogwood
Cornus nuttallii