Malus

Malus 'Snowdrift' (Snowdrift Crabapple)
Malus atrosanguinea (Carmine Crabapple)
Malus floribunda (Japanese Flowering Crabapple)
Malus fusca (Western Crabapple )
Malus hupehensis (Tea Crabapple)
Malus × robusta (Cherry Crabapple)
Malus sargentii (Sargent Crabapple )
Malus transitoria (Transitoria Crabapple )
Malus transitoria Golden Raindrops® (Golden Raindrops Crabapple)

Menziesia

Menziesia ferruginea (Rusty Menziesia )

Neviusia

Neviusia cliftonii (Shasta Snowwreath)

Oplopanax

Oplopanax horridus (Devil's Club)

Oxydendrum

Oxydendrum arboreum (Sourwood )

Pachysandra

Pachysandra procumbens (Allegheny Pachysandra)

Paeonia

Paeonia lutea subsp. ludlowii (Tibetan Peony )
Paeonia suffruticosa (Tree Peony )

Parrotia

Parrotia persica (Persian Parrotia )

Parrotiopsis

Parrotiopsis jacquemontiana (No English common name )

Photinia

Photinia villosa (Oriental Photinia)

Physocarpus

Physocarpus capitatus (Western Ninebark )
Physocarpus malvaceus (Mallow Ninebark )
Physocarpus opulifolius (Common Ninebark)
Physocarpus opulifolius 'Dart's Gold' (Dart's Gold Ninebark )
Physocarpus opulifolius Diabolo® (Diabolo Ninebark )
Physocarpus opulifolius 'Luteus' (Luteus Ninebark )
Physocarpus opulifolius Summer Wine™ (Summer Wine Ninebark )

Poncirus

Poncirus trifoliata (Trifoliate Orange )
Poncirus trifoliata 'Flying Dragon' (Flying Dragon Trifoliate Orange)

Populus

Populus balsamifera (Balsam Poplar)

Prunus

Prunus 'Accolade' (Accolade Flowering Cherry)
Prunus Cascade Snow™ (Cascade Snow Flowering Cherry)
Prunus 'Dream Catcher' (Dream Catcher Flowering Cherry)
Prunus 'First Lady' (First Lady Flowering Cherry)
Prunus 'Newport' (Newport Flowering Plum)
Prunus 'Okame' (Okame Flowering Cherry)
Prunus Snow Fountains® (Snow Fountains Weeping Cherry )
Prunus 'Snow Goose' (Snow Goose Flowering Cherry)
Prunus 'Tai-Haku' (Tai-Haku Flowering Cherry )
Prunus americana (Wild Plum )
Prunus armeniaca (Apricot)
Prunus armeniaca 'Goldcot' (Goldcot Apricot)
Prunus avium (Sweet Cherry)
Prunus besseyi (Sand Cherry )
Prunus × blireiana (Blireiana Plum)
Prunus cerasifera (Cherry Plum)
Prunus cerasifera 'Atropurpurea' (Atropurpurea Flowering Plum)
Prunus cerasifera 'Krauter's Vesuvius' (Krauter's Vesuvius Flowering Plum )
Prunus cerasifera 'Thundercloud' (Thundercloud Flowering Plum )
Prunus × cistena (Purpleleaf Sandcherry )
Prunus emarginata (Bitter Cherry )
Prunus fruticosa (Steppe Cherry )
Prunus glandulosa (Dwarf Flowering Almond)
Prunus maackii (Amur Chokecherry )
Prunus mume (Japanese Apricotc )
Prunus mume 'Contorta' (Contorta Japanese Flowering Apricot)
Prunus mume 'Peggy Clarke' (Peggy Clarke Japanese Flowering Apricot)
Prunus mume 'Trumpet' (Trumpet Japanese Flowering Apricot)
Prunus padus (European Birdcherry )
Prunus prostrata (Rock Cherry )
Prunus sargentii (Sargent Cherry)
Prunus sargentii 'Columnaris' (Columnar Sargent Cherry)
Prunus serotina (Black Cherry )
Prunus serrulata (Japanese Flowering Cherry )
Prunus serrulata 'Kanzan' (Kanzan Flowering Cherry)
Prunus serrulata 'Mt. Fuji' (Mt. Fuji Flowering Cherry)
Prunus serrulata 'Royal Burgundy' (Royal Burgundy Flowering Cherry)
Prunus serrulata 'Shiro-fugen' (Shiro-fugen Flowering Cherry)
Prunus serrulata 'Shogetsu' (Shogetsu Flowering Cherry)
Prunus serrulata 'Ukon' (Ukon Flowering Cherry)
Prunus subcordata (Klamath Plum )
Prunus subhirtella (Higan Cherry)
Prunus subhirtella 'Pendula' (Weeping Higan Cherry)
Prunus subhirtella 'Whitcomb' (Whitcomb Flowering Higan Cherry)
Prunus subhirtella 'Yae-shidare-higan' (Yae-shedare Higan Cherry )
Prunus subhirtella var. autumnalis (Autumn Flowering Higan Cherry)
Prunus virginiana 'Canada Red' (Canada Red Chokecherry)
Prunus virginiana var. demissa (Western Chokecherry)
Prunus virginiana var. virginiana (Common Chokecherry)
Prunus × yedoensis (Yoshino Cherry )
Prunus × yedoensis 'Akebono' (Akebono Yoshino Cherry)

Pterostyrax

Pterostyrax hispida (Epaulette Tree )

Pyrus

Pyrus calleryana (Callery Pear)
Pyrus calleryana 'Autumn Blaze' (Autumn Blaze Callery Pear)
Pyrus calleryana Chanticleer® (Chanticleer Pear)
Pyrus fauriei Korean Sun™ (Korean Sun Pear)
Pyrus salicifolia 'Pendula' (Weeping Willow-leaved Pear)

Rhododendron (defines evaluations)

Rhododendron Tri Lights™ (Tri-Lights Azalea)

Rhus

Rhus aromatica (Fragrant Sumac)
Rhus aromatica 'Gro-Low' (Gro-Low Fragrant Sumac)
Rhus glabra (Smooth Sumac )
Rhus trilobata (Skunkbush Sumac )
Rhus typhina (Staghorn Sumac)
Rhus typhina 'Laciniata' (Laceleaf Staghorn Sumac)

Ribes

Ribes aureum (Golden Currant )
Ribes × gordonianum (Gordon's Currant)
Ribes malvaceum (Chaparral Currant)
Ribes nevadense (Mountain Pink Currant )
Ribes odoratum (Golden Currant )
Ribes sanguineum (Flowering Currant )
Ribes sanguineum 'Elk River Red' (Elk River Red Flowering Currant)