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Montana Field Guide

Montana Field Guides

Bog Birch - Betula pumila


Global Rank: G5
State Rank: SNR

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 6

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General Description
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).

Diagnostic Characteristics
Very similar to Betula glandulosa and often difficult to separate from it.

Species Range
Present
 


Range Comments
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).

Summary of Observations Submitted for Montana
Number of Observations: 2

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density

Recency

 

(Observations spanning multiple months or years are excluded from time charts)



Habitat
Wet, organic soil of swamps, fens; valleys to lower montane (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Bog Birch — Betula pumila.  Montana Field Guide.  .  Retrieved on , from