The Rose Family in the Cascade Mountains of Oregon and Washington

I. Trees, Shrubs and Shrublets:

Serviceberries: The Genus Amelanchier -

Goat's Beard, Sylvan Goatsbeard, Bride's Feathers: Aruncus dioicus var. acuminatus -

Mountain Mahoganys: The Genus Cercocarpus -

Late Cotoneaster, Milkflower Cotoneaster: Cotoneaster lacteus -

Hawthorns: The Genus Crataegus -

Shrubby Cinquefoil: Dasiphora fruticosa (formerly Potentilla fruticosa) - A prostrate to erect deciduous shrub to several feet tall. The flowers are bright yellow, showy and approximately quarter-sized. The leaves are alternate, pinnately compound with 5 narrow, elliptical, and non-serrate leaflets.

Mountain-avens: The Genus Dryas -

Oceanspray: The Genus Holodiscus -

Partridge Foot, Luetkea: Luetkea pectinata - Raceme of small, 5-petaled white flowers which may appear yellowish due to the numerous stamens. The leaves are mostly basal, and resemble the feet of partridge due to their deeply lobed tips. Plants may grow to 6 inches tall.

Apples: The Genus Malus -

Osoberry, Oso-berry, Indian Plum: Oemleria cerasiformis (Synonyms: Exochordata davidiana, Nuttallia cerasiformis, Nuttallia davidiana, Oemleria cerasiformis var. lancifolia, Oemleria cerasiformis var. nigra, Osmaronia cerasiformis) -

Ninebarks: The Genus Physocarpus -

Cherries, Plums and Laurel: The Genus Prunus -

Antelope Bitterbrush, Antelope Brush, Antelope-brush, Bitterbrush: Purshia tridentata (Synonyms: Kunzia tridentate, Purshia tridentata var. tridentata, Tigarea tridentate) -

Garden Pear, Domestic Pear, Common Pear: Pyrus communis -

Roses: The Genus Rosa -

Blackberries, Brambles, Raspberries, Salmonberries and Thimbleberries: The Genus Rubus -

Mountain Ash (Mountain-ash): The Genus Sorbus -

Spiraea: The Genus Spiraea -

II. Herbaceous Wildflowers:

Common Agrimony, Tall Hairy Agrimony: Agrimonia gryposepala -

Western Lady's Mantle, Field Parsley Piert, Parsley Piert: Aphanes arvensis (Synonym: Alchemilla occidentalis) -

Marshlocks, Marsh Cinquefoil, Purple Cinquefoil: Comarum palustre (Synonym: Potentilla palustre) -

Strawberries: The Genus Fragaria -

Avens: The Genus Geum -

Horkelia: The Genus Horkelia -

Ivesia: The Genus Ivesia -

Cinquefoils: The Genera Comarum, Dasiphora, Drymocallis and Potentilla -

Burnet: The Genus Sanguisorba -

Creeping Sibbaldia: Sibbaldia procumbens -