Dwarf Birch, Scrub Birch, Bog Birch
- Broadleaf deciduous shrub, often spreading, to 10 ft (3 m) tall, twigs with large resinous glands, bark dark brown. Leaves alternate, simple, 2-4 cm long, rounded to broadly elliptic, rather leathery, margin crenate-serrate or serrate, glabrous beneath, short petiole. Fruit catkins 1.5-2 cm long, erect, wings of the nutlets narrower than the body.
- Hardy to USDA Zone 3 Native to North America and Greenland, in the Pacific Northwest, found in mountain meadows, bogs, and around springs and seeps. Similar to Betula nana and has been categorized as Betula nana var. intermedia.
- glandulosa: bearing gland
- Oregon State Univ. campus: south (east) Peavy Hall, north of Dryden Hall.