Acer

Acer circinatum (Vine Maple)
Acer circinatum 'Little Gem' (Little Gem Vine Maple)
Acer circinatum 'Monroe' (Monroe Vine Maple)
Acer circinatum 'Pacific Sprite' (Pacific Sprite Vine Maple)
Acer circinatum 'Sunglow' (Sunglow Vine Maple)
Acer glabrum (Rocky Mountain Maple )
Acer glabrum var. douglasii (Douglas Maple )

Alnus

Alnus alnobetula (Circumpolar alder group )
Alnus alnobetula subsp. sinuata (Sitka Alder )
Alnus incana subsp. tenuifolia (Thinleaf Alder )

Amelanchier

Amelanchier alnifolia (Western Serviceberry )
Amelanchier alnifolia 'Regent' (Regent Serviceberry )

Arctostaphylos

Arctostaphylos 'White Lanterns' (White Lanterns Manzanita)
Arctostaphylos columbiana (Hairy Manzanita)
Arctostaphylos patula (Green Manzanita )
Arctostaphylos uva-ursi (Kinnikinnik )
Arctostaphylos uva-ursi 'Massachusetts' (Massachusetts Kinnikinnik )
Arctostaphylos uva-ursi 'Point Reyes' (Point Reyes Kinnikinnik )
Arctostaphylos uva-ursi 'San Bruno Mountain' (San Bruno Mountain Kinnikinnik )

Artemisia

Artemisia tridentata (Big Sagebrush)

Baccharis

Baccharis pilularis (Coyote Bush )

Betula

Betula glandulosa (Dwarf Birch )
Betula occidentalis (Water Birch )

Calycanthus

Calycanthus occidentalis (Western Spicebush )

Ceanothus

Ceanothus cuneatus (Narrowleaf Buckbrush )
Ceanothus integerrimus (Deer Brush)
Ceanothus sanguineus (Redstem Ceanothus )
Ceanothus thyrsiflorus (Blue Blossom)
Ceanothus velutinus (Snowbrush )

Celtis

Celtis reticulata (Netleaf Hackberry )

Cercocarpus

Cercocarpus betuloides (Birchleaf Mountain-mahogany )
Cercocarpus ledifolius (Curlleaf Mountain-mahogany)

Chamaebatiaria

Chamaebatiaria millefolium (Fernbush )

Chrysolepis

Chrysolepis chrysophylla (Golden Chinkapin )

Chrysothamnus

Chrysothamnus viscidiflorus (Green Rabbitbrush )

Cornus

Cornus sericea (Redosier Dogwood )
Cornus sericea subsp. occidentalis (Western Dogwood)

Crataegus

Crataegus columbiana (Columbia Hawthorn)
Crataegus douglasii (Douglas Hawthorn )

Dasiphora

Dasiphora fruticosa (Shrubby Cinquefoil )

Elaeagnus

Elaeagnus angustifolia (Russian-olive)

Ericameria

Ericameria nauseosa (Gray Rabbitbrush )

Frangula

Frangula californica (Coffeeberry )
Frangula californica 'Mound San Bruno' (Mound San Bruno Coffeeberry )

Garrya

Garrya elliptica (Wavyleaf Silktassel )
Garrya elliptica 'James Roof' (James Roof Silktassel )
Garrya fremontii (Fremont Silktassel )

Gaultheria

Gaultheria shallon (Salal)

Holodiscus

Holodiscus discolor (Oceanspray )
Holodiscus microphyllus (Small-leaved Creambush)

Leucothoe

Leucothoe davisiae (Western Leucothoe )

Lonicera

Lonicera hispidula (Pink Honeysuckle )
Lonicera involucrata (Twinberry )

Mahonia

Mahonia aquifolium (Oregon Grape )
Mahonia aquifolium 'Compacta' (Compact Oregon Grape)
Mahonia nervosa (Longleaf Mahonia )
Mahonia repens (Creeping Mahonia)

Malus

Malus fusca (Western Crabapple )

Menziesia

Menziesia ferruginea (Rusty Menziesia )

Morella

Morella californica (Pacific Waxmyrtle )

Myrica

Myrica gale (Sweetgale )

Notholithocarpus

Notholithocarpus densiflorus (Tanoak )
Notholithocarpus densiflorus var. echinoides (Shrub Tanoak )

Oemleria

Oemleria cerasiformis (Indian Plum )

Oplopanax

Oplopanax horridus (Devil's Club)

Paxistima

Paxistima myrsinites (Oregon Boxwood )

Philadelphus

Philadelphus lewisii (Wild Mockorange )
Philadelphus lewisii 'Goose Creek' (Goose Creek Mockorange )

Physocarpus

Physocarpus capitatus (Western Ninebark )
Physocarpus malvaceus (Mallow Ninebark )

Polystichum

Polystichum munitum (Swordfern )

Prunus

Prunus emarginata (Bitter Cherry )
Prunus subcordata (Klamath Plum )
Prunus virginiana var. demissa (Western Chokecherry)

Purshia

Purshia tridentata (Bitterbrush )

Quercus

Quercus chrysolepis (Canyon Live Oak)
Quercus garryana var. breweri (Brewer's Oak)
Quercus sadleriana (Sadler Oak)
Quercus vacciniifolia (Huckleberry Oak)

Rhododendron (defines evaluations)

Rhododendron macrophyllum (Western Rhododendron)
Rhododendron occidentale (Western Azalea)
Rhododendron occidentale 'Irene Koster' (Irene Koster (Western) Azalea)

Rhus

Rhus glabra (Smooth Sumac )
Rhus trilobata (Skunkbush Sumac )

Ribes

Ribes aureum (Golden Currant )
Ribes cereum (Wax Currant)
Ribes divaricatum (Coast Black Gooseberry )
Ribes nevadense (Mountain Pink Currant )
Ribes roezlii (Sierra Gooseberry )
Ribes sanguineum (Flowering Currant )
Ribes sanguineum 'Elk River Red' (Elk River Red Flowering Currant)
Ribes sanguineum 'Pokey's Pink' (Pokey's Pink Flowering Currant)
Ribes sanguineum White Icicle™ (White Icicle Flowering Currant)

Robinia

Robinia pseudoacacia Twisty Baby™ (Twisty Baby Black Locust )

Rosa

Rosa gymnocarpa (Little Wood Rose )
Rosa multiflora (Multiflora Rose)
Rosa pisocarpa (Clustered Rose)
Rosa rubiginosa (Sweetbriar Rose )
Rosa woodsii (Woods' Rose)

Rubus

Rubus armeniacus (Himalayan Blackberry )