Common snowberry occurs from Hudson Bay to Alaska, south to California and east to North Carolina. Symphoricarpos albus var. albus, the Atlantic slope variety, has the same general distribution described above for common snowberry. Symphoricarpos albus var. laevigatus, Pacific slope variety, is found from southern Alaska south to California, Montana and Colorado [38,65].
Common snowberry was introduced into England in 1817 and is now well naturalized [47]. Delaware [34] lists it as an introduced species (see other status). In Utah it is classified as a cultivated ornamental shrub introduced from elsewhere in North America [116].
1 Jack pine
16 Aspen
18 Paper birch
42 Bur oak
53 White oak
107 White spruce
205 Mountain hemlock
210 Interior Douglas-fir
211 White fir
212 Western larch
213 Grand fir
215 Western white pine
216 Blue spruce
217 Aspen
218 Lodgepole pine
220 Rocky Mountain juniper
222 Black cottonwood-willow
224 Western hemlock
229 Pacific Douglas-fir
230 Douglas-fir-western hemlock
233 Oregon white oak
235 Cotton-willow
237 Interior ponderosa pine
239 Pinyon-juniper
243 Sierra Nevada mixed conifer
244 Pacific ponderosa pine-Douglas-fir
245 Pacific ponderosa pine
246 California black oak
250 Blue oak-foothills pine
251 White spruce-aspen
255 California coast live oak
Across its distribution, common snowberry is classified as dominant or subdominant in a variety of habitat and community types and vegetation associations. Most of these listings are at the warm/dry end of the habitat scale and include classifications as both climax and seral vegetation.
Examples of climax forest habitat types where common snowberry is a subdominant include ponderosa pine (Pinus ponderosa), Douglas-fir (Pseudotsuga menziesii), and subalpine fir (Abies lasiocarpa) [3]. Common snowberry is considered a mid- to late-seral subdominant with ponderosa pine on floodplains in Oregon [68]. Also in Oregon, common snowberry is considered subdominant to Douglas hawthorn (Crataegus douglasii) in a climax tall shrub community type [10] and dominant in a community type with Wood's rose (Rosa woodsii) [67].
Species commonly associated with common snowberry include oceanspray (Holodiscus discolor) in California's hardwood rangelands [4], ninebark (Physocarpus malvaceus) in Oregon [63], bearberry (Arctostaphylos uva-ursi) in south Dakota and eastern Wyoming [3], and Idaho fescue (Festuca idahoensis) in eastern Washington [14].
References describing common snowberry as a community or habitat dominant or subdominant include:
Forest types of the North Cascades National Park Service Complex [2]
Steppe vegetation of Washington Daubenmire 1970 [28]
Ecology of curlleaf mountain-mahogany (Cercocarpus ledifolius Nutt.) in eastern Oregon and adjacent areas [32]
Riparian dominance types of Montana [52]
Forest vegetation of the Black Hills National Forest of South Dakota and Wyoming: a habitat type classification [59]
Riparian reference areas in Idaho: a catalog of plant associations and conservation sites [62]
Ecology and plant communities of the riparian areas associated with Catherine Creek in northeastern Oregon [67]
Vegetation of the Bald Hills oak woodlands, Redwood National Park, California [106]
Related categories for
SPECIES: Symphoricarpos albus
| Common Snowberry
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Information
Courtesy: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research
Station, Fire Sciences Laboratory. Fire Effects Information System
