I. Trees or shrubs:
Serviceberry: Amelanchier alnifolia: Shrub or tree to 25 feet tall. White flowers with 5 thin, twisted petals are clustered in groups of 3 to 6. The flower clusters are frequently found arising from the stems where the oval leaves also arise. The flowers often stand up above the stems while the leaves hang down. The oval leaves only have teeth at the rounded tip. The styles generally number ten. The upper leaf surface is usually smooth and hairless when in fruit. The fruits are not hairy.
Cusick's Serviceberry: Amelanchier cusickii -
Utah Serviceberry: Amelanchier utahensis - Similar to above but the styles number fewer than 5 and the upper leaf surface is usually somewhat hairy during the bearing of fruit. The fruits are somewhat hairy.
Mountain Mahogany: The Genus Cerocarpus - Evergreen shrub or small tree from 15-40 feet tall. The leaves are alternate, dark green above and paler below with thick, leathery blades and margins that curl under. The flowers are greenish-white and inconspicuous in the leaf axils.
Hawthorns: The Genus Crataegus -
Black Hawthorn, Douglas' Hawthorn: Crataegus douglasii
Piper's Hawthorn: Crataegus piperi
Suksdorf's Hawthorn: Crataegus suksdorfii
Ocean Sprays: The Genus Holodiscus
Ocean Spray: Holodiscus discolor
Gland Ocean spray: Holodiscus dumosus
Apples and Crabapples: The Genus Malus -
Yellow Rose, Shrubby Cinquefoil: Pentaphylloides floribunda (formerly Potentilla fruticosa) - A prostrate to erect shrub often used for landscaping. The leaves are pinnately compound with 5 narrowly elliptical leaflets from 1-2 cm long. The leaflets are covered with silky hairs. The flowers are showy and bright yellow, measuring up to 2.5 cm across
Squawapple: Peraphyllum ramosissimum - A rigidly branched, medium-sized shrub up to 8 feet tall with a rounded crown. The leaves are in groups (like a pine's needles), the individual leaves narrow, oblanceolate with pointed tip, leathery texture, dark green color, and entire margins. The 1-3 flowers are at the tips of the branches. They are pink to rose in color.
Halfshrub Rockmat, Chelan Rockmat: Petrophyton cinerascens - Prostrate, matted sub-shrub with flower stems 5-15 cm high. Inflorescence a tight raceme of white flowers 2-6 cm in length. Leaves oblanceolate-spatulate in outline, glacous gray-blue to blue-green in color.
Ninebarks: The Genus Physocarpus
Tall Ninebark: Physocarpus capitatus
Mallow Ninebark: Physocarpus malvaceus
The Wild Cherries: The Genus Prunus
Bitter Cherry: Prunus emarginata var. emarginata
Choke Cherry: Prunus virginiana var. melanocarpa
Antelope Bitterbrush: Purshia tridentata - Shrub to 12 feet. Flowers small, light yellow, and arranged loosely along the stems. Leaves tiny, simple, and typically with 3 small lobes or "toes" at the distal end. Leaves a dark green, shaped not unlike a birds foot, and very similar in shape to that of big sagebrush, although smaller and greener.
The Wild Roses: The Genus Rosa
Dog Rose: Rosa canina
Baldhip Rose: Rosa gymnocarpa
Nootka Rose: Rosa nutkana var. hispida
Pearhip Rose: Rosa woodsii var. ultramontana
Blackberries, Raspberries & Thimbleberries: The Genus Rubus
Western Red Raspberry: Rubus idaeus
Evergreen Blackberry: Rubus laciniatus
Blackcap: Rubus leucodermis
Thimbleberry: Rubus parviflorus
Five-leaf Bramble: Rubus pedatus
Dewberry, Trailing Blackberry: Rubus ursinus var. macropetalus
The Mountain Ash: The Genus Sorbus
Cascade Mt. Ash: Sorbus scopulina
Dwarf Mt. Ash, Sitka Mt. Ash: Sorbus sitchensis
The Spiraeas: The Genus Spiraea
Birchleaf Spiraea: Spiraea betulifolia var. lucida
Mountain Spiraea: Spiraea splendens
Hardhack: Spiraea douglasii
Pyramid Spiraea: Spiraea pyramidata
Western Lady's-mantle: Alchemilla occidentalis - Probably an introduced weed, it is a low, spreading annual with freely branched stems from 2-10 cm long. The leaves are short-petioled with simple but deeply lobed blades from 4-8 mm long. The flowers are borne along much of the length of the stems, with 5-15 common at each node.Silverweed: Argentina anserna (Synonym: Potentilla anserina) - A grayish, silky-haired perennial which is somewhat strawberry-like. Typically prostrate with wide ranging stolons which root at the nodes. The leaves are basal, 10-30 cm long, and pinnately compound. The 15-25 leaflets are obovate to oblong in shape with sharply, coarsely toothed margins. Individual leaflets range from 1-3.5 cm long. The flowers are solitary at the nodes of the stolons or on naked stems from 3-10 cm long. The petals are yellow and 8-12 mm long The stamens number 20-25.
Mountain Avens: The Genus Dryas
Yellow Mountain Avens: Dryas drummondii
White Mountain-avens: Dryas octopetala
Wild Strawberries: The Genus Fragaria
Woods Strawberry: Fragaria vesca var. vesca
Broad-petal Strawberry: Fragaria virginiana var. platypetala
Avens: The Genus Geum
Yellow Avens: Geum aleppicum
Large-leaf Avens: Geum macrophyllum
Slender-stemmed Avens: Geum rossii
Old Man's Whiskers, Prairie Smoke: Geum triflorum
Horkelias: The Genus Horkelia - A perennial with pinnately compound basal leaves and several stems from 20-40 cm high. Basal leaves with 7-13 narrowly oblanceolate or linear-cuneate segments or leaflets tipped with 2-3 toothed segments to 2 cm long. The leaf blade is 3-8 cm long. There are several stem leaves. The petals are cream colored, 5-6 mm long and obovate in shape. There are 10-20 pistils.
Bighead Horkelia, Big-headed Horkelia, Horkelia, Pink Pinwheels: Horkelia fusca ssp. capitata (Synonyms: Horkelia capitata, Horkelia fusca var. capitata)
Pinewoods Horkelia, Tawny Horkelia, Horkelia: Horkelia fusca ssp. fusca
Smallflower Horkelia, Small-flowered Horkelia: Horkelia fusca ssp. parviflora (Synonyms: Horkelia fusca var. parviflora, Horkelia parviflora)
Littlehead Horkelia, Woolly-leaf Horkelia: Horkelia fusca ssp. pseudocapitata (Synonym: Horkelia fusca var. pseudocapitata)
Clustered Horkelia, Threetooth Horkelia: Horkelia tridentata ssp. tridentata (Synonym: Potentilla tilingii)
Ivesia: The Genus Ivesia
Owyhee Ivesia: Ivesia baileyi var. beneolens
Golden Ivesia: Ivesia gordonii
Cinquefoils: The Genus Potentilla
Sharp-toothed Cinquefoil: Potentilla arguta
Biennial Cinquefoil: Potentilla biennis
Short-leaved Cinquefoil: Potentilla brevifolia
Brewer's Cinquefoil: Potentilla breweri (P. drummondii ssp. breweri)
Mountain Meadow Cinquefoil: Potentilla diversifolia
Drummond's Cinquefoil: Potentilla drummondii
Fan-leaf Cinquefoil: Potentilla flabellifolia
Sticky cinquefoil: Potentilla glandulosa
Graceful Cinquefoil, Five-finger Cinquefoil: Potentilla gracilis
Norwegian Cinquefoil: Potentilla norvegica
Newberry's Cinquefoil: Potentilla newberryi
Sheep Cinquefoil: Potentilla ovina
Marsh Cinquefoil, Purple Cinquefoil: Potentilla palustris
Alpine Cinquefoil: Potentilla pensylvanica
Brook Cinquefoil: Potentilla rivalis
Varying Cinquefoil: Potentilla versicolor
Burnet: Sanguisorba occidentalis - Annual or biennial herb with strong taproot and freely branched. Leafy stems from 20-60 cm high. Leaves pinnately compound and 3-8 cm long with up to 17 leaflets or segments which are narrowly linear. Inflorescence an ovoid to cylindrical spike up to 30 mm long and 7-7 mm thick.
Creeping Sibbaldia, Sibbaldia: Sibbaldia procumbens (Synonyms: Potentilla procumbens, Potentilla sibbaldii) - Low, mat-forming perennial with small strawberry-like leaves, the 3 leaflets wedge-shaped with squared tips with 3-5 teeth. Flowers yellow in clusters of 2-15, the petals and stamens shorter than the hairy sepals.