Bog Birch - Betula pumila
MNPS Threat Rank
Shrubs usually 3–4 m high. Twigs short-pubescent, densely glandular. Leaf blades cuneate with crenate margins, 1–4 cm long, glandular, paler beneath. Female catkins 10–25 mm long. Fruit with wings nearly as wide as nutlet. If subspecies are recognized then ours are var. glandulifera Regel (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX)
Very similar to Betula glandulosa and often difficult to separate from it.
Scattered in western third of MT; YT to NS south to CA, CO, IL, NJ (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Observations in Montana Natural Heritage Program Database
Number of Observations:
(Click on the following maps and charts to see full sized version)
Map Help and Descriptions
(Observations spanning multiple months or years are excluded from time charts)
- Additional ReferencesLegend: View Online Publication
Do you know of a citation we're missing?
- Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.