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Montana Field Guide

Montana Field Guides

Common Snowberry - Symphoricarpos albus


Global Rank: G5
State Rank: S5

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 3

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General Description
Stems spreading to erect, highly branched, 50–150 cm; twigs brown, glabrous. Leaves ovate, 1–5 cm long, sparsely villous beneath. Inflorescence mostly with 6 flowers or less. Flowers: corolla campanulate, 4–7 mm long, lobes shorter than the tube; style glabrous, 2–3 mm long; style and stamens included. Berry 8–15 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
Symphoricarpos albus occurs throughout North America, excluding Mexico. It may be associated with Festuca idahoensis or Cragaegus on north-facing slopes in the Palouse region of eastern Washington and northern Idaho (Daubenmire 1970, Allen et al. 1980). In the Blue Mountains of northeastern Oregon it is found with Festuca idahoensis, Agropyron spicatum, Poa sandbergii and Carex geyeri in grasslands and as an element of the understory in Ponderosa pine forests (Holechek et al. 1982). The species also occurs in Douglas fir zones of southern British Columbia (McLean 1969). Agee and Dunwiddie (1984) found S. albus in two habitats on Yellow Island in Puget Sound, Washington: (1) in woodlands associated with madrone, Oregon white oak, and invading Douglas fir and (2) as an element of the understory in Douglas fir- madrone-grand fir forests. According to Munz and Keck (1968), it is found on banks and flats in canyons and near streams below 4,000 feet in mixed evergreen forests, foothill woodlands, yellow pine forests, etc., of the Coast Ranges of California from Monterey County north and northern Sierra Nevada to Alaska.

Summary of Observations Submitted for Montana
Number of Observations: 631

(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
Moist to dry forest; plains, valleys to lower subalpine (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Common Snowberry — Symphoricarpos albus.  Montana Field Guide.  .  Retrieved on , from