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You are here >1Up Info > Wildlife, Animals, and Plants > Plant Species > Shrub > Species: Spiraea douglasii | Douglas' Spirea
 

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DISTRIBUTION AND OCCURRENCE

SPECIES: Spiraea douglasii | Douglas' Spirea
GENERAL DISTRIBUTION : Douglas' spirea occurs from Alaska south to northern California and east to western Montana [21,29,35]. Pyramid spirea occurs from British Columbia south to Oregon and east to western Montana [35]. ECOSYSTEMS : FRES20 Douglas-fir FRES21 Ponderosa pine FRES22 Western white pine FRES23 Fir-spruce FRES24 Hemlock-Sitka spruce FRES26 Lodgepole pine FRES27 Redwood FRES28 Western hardwoods STATES : AK CA ID MT OR WA BC ADMINISTRATIVE UNITS : CODA CRLA FOCL MORA MOSA NOCA OLYM BLM PHYSIOGRAPHIC REGIONS : 1 Northern Pacific Border 2 Cascade Mountains 4 Sierra Mountains 5 Columbia Plateau 8 Northern Rocky Mountains KUCHLER PLANT ASSOCIATIONS : K001 Spruce-cedar-hemlock forest K002 Cedar-hemlock-Douglas-fir forest K003 Silver fir-Douglas-fir forest K004 Fir-hemlock forest K005 Mixed conifer forest K006 Redwood forest K007 Red fir forest K010 Ponderosa shrub forest K011 Western ponderosa forest K012 Douglas-fir forest K013 Cedar-hemlock-pine forest K025 Alder-ash forest K026 Oregon oakwoods K028 Mosaic of K002 and K026 SAF COVER TYPES : 205 Mountain hemlock 206 Engelmann spruce-subalpine fir 207 Red fir 210 Interior Douglas-fir 211 White fir 215 Western white pine 217 Aspen 218 Lodgepole pine 221 Red alder 222 Black cottonwood-willow 223 Sitka spruce 224 Western hemlock 225 Western hemlock-Sitka spruce 226 Coastal true fir-hemlock 227 Western redcedar-western hemlock 228 Western redcedar 229 Pacific Douglas-fir 230 Douglas-fir-western hemlock 232 Redwood 233 Oregon white oak 237 Interior ponderosa pine SRM (RANGELAND) COVER TYPES : 203 Riparian woodland 422 Riparian HABITAT TYPES AND PLANT COMMUNITIES : Douglas' spirea occurs mainly in riparian habitats such as swamps, mud flats, shrub carrs, marshes, bogs, and along streams [8,17,18,23,44]. In British Columbia Douglas' spirea is found in rush (Juncus spp.)-sedge (Carex spp.)-quillwort (Isoetes spp.) and shrub carr community types [8,18]. Common associates include Rocky Mountain maple (Acer glabrum), Sitka willow (Salix sitchensis), salmonberry (Rubus spectabilis), salal (Gaultheria shallon), sweet gale (Myrica gale), and bog rush (Juncus effusus) [2,28]. In Washington a Douglas' spirea-bog blueberry (Vaccinium uliginosum)/sedge community type is described. Common associates include swordleaf rush (Juncus ensifolius), blister sedge (Carex vesicaria), Sitka sedge (C. sitchensis), slough sedge (C. obnupta), common willowweed (Epilobium glandulosum), and kneeling angelica (Angelica genuflexa) [19]. Douglas' spirea is also a member of a field horsetail (Equisetum arvense)-skunkcabbage (Veratrum californicum) swamp association. Associates include Sitka alder (Alnus viridis ssp. sinuata), black twinberry (Lonicera involucrata), and red-osier dogwood (Cornus sericea) [16]. Associates of Douglas' spirea in Washington and Oregon forest commuities include dwarf huckleberry (Vaccinium caespitosum), blue wildrye (Elymus glaucus), deer fern (Blechnum spicant), bracken fern (Pteridium aquilinum), western yarrow (Achillea millefolium), widefruit sedge (Carex eurycarpa), Wood's rose (Rosa woodsii), and bristly black currant (Ribes lacustre) [12,29,30]. In California Douglas' spirea occurs in sphagnum bog, north coast riparian scrub, and freshwater marsh communities [23,44]. Common associates include bigleaf maple (Acer macrophyllum), Pacific wax-myrtle (Myrica californica), Hooker willow (Salix hookeriana), Hinds willow (S. hindsiana), sedge (Carex spp.), bear sedge (C. arcta), round-leaved sundew (Drosera rotundifolia), and coast Labrador tea (Ledum glandulosum var. columbiana) [23,44]. In eastern Idaho and western Montana, Douglas' spirea is dominant in herbaceous wetland communities [41,42]. In Montana a Douglas' spirea community type has been described [4,17]. Douglas' spirea is dominant in a thinleaf alder community type [4]. Common associates in Montana include Booth willow (Salix boothii), Geyer willow (S. geyeriana), Wood's rose, western polemonium (Polemonium occidentale), beaked sedge (Carex rostrata), inflated sedge (C. vesicaria), reed canarygrass (Phalaris arundinacea), and creeping bentgrass (Agrostis stolonifera) [4,17]. The following publications list Douglas' spirea as a community dominant: Classification and management of riparian and wetland sites in northwestern Montana [4] Riparian dominance types of Montana [17] Plant association and management guide: Willamette National Forest [19] Riparian zone associations: Deschutes, Ochoco, Fremont, and Winema National Forests [29] Classification of aquatic and semiaquatic wetland natural areas in Idaho and western Montana [41] Management of riparian vegetation in the northcoast region of California's coastal zone [44]

Related categories for Species: Spiraea douglasii | Douglas' Spirea

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Information Courtesy: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory. Fire Effects Information System

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