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Wildlife, Animals, and Plants |
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DISTRIBUTION AND OCCURRENCE
GENERAL DISTRIBUTION:Gray horsebrush is native throughout most of the Great Basin and adjacent areas [35,37,56]. It is distributed from the mountains of southern California to south-central British Columbia and east to the Rocky Mountains in western Wyoming, Montana, Colorado, and New Mexico. Gray horsebrush is generally not abundant across its range [11,54]. The Plants database provides a distribution map of gray horsebrush. ECOSYSTEMS [30]:FRES20 Douglas-fir FRES21 Ponderosa pine FRES26 Lodgepole pine FRES29 Sagebrush FRES30 Desert shrub FRES33 Southwestern shrubsteppe FRES34 Chaparral-mountain shrub FRES35 Pinyon-juniper FRES36 Mountain grasslands FRES38 Plains grasslands FRES40 Desert grasslands STATES:
BLM PHYSIOGRAPHIC REGIONS [11]:3 Southern Pacific Border 4 Sierra Mountains 5 Columbia Plateau 6 Upper Basin and Range 7 Lower Basin and Range 8 Northern Rocky Mountains 9 Middle Rocky Mountains 10 Wyoming Basin 11 Southern Rocky Mountains 12 Colorado Plateau 13 Rocky Mountain Piedmont 15 Black Hills Uplift 16 Upper Missouri Basin and Broken Lands KUCHLER [53] PLANT ASSOCIATIONS:K005 Mixed conifer forest K010 Ponderosa shrub forest K011 Western ponderosa forest K012 Douglas-fir forest K016 Eastern ponderosa forest K017 Black Hills pine forest K018 Pine-Douglas-fir forest K023 Juniper-pinyon woodland K024 Juniper steppe woodland K032 Transition between K031 and K037 K037 Mountain-mahogany-oak scrub K038 Great Basin sagebrush K039 Blackbrush K040 Saltbush-greasewood K050 Fescue-wheatgrass K051 Wheatgrass-bluegrass K053 Grama-galleta steppe K055 Sagebrush steppe K056 Wheatgrass-needlegrass shrubsteppe K057 Galleta-threeawn shrubsteppe K058 Grama-tobosa shrubsteppe, K063 Foothills prairie K064 Grama-needlegrass-wheatgrass K066 Wheatgrass-needlegrass SAF COVER TYPES [16]:210 Interior Douglas-fir 218 Lodgepole pine 219 Limber pine 220 Rocky Mountain juniper 237 Interior ponderosa pine 238 Western juniper 239 Pinyon-juniper 243 Sierra Nevada mixed conifer 247 Jeffrey pine SRM (RANGELAND) COVER TYPES [49]:104 Antelope bitterbrush-bluebunch wheatgrass 107 Western juniper/big sagebrush/bluebunch wheatgrass 109 Ponderosa pine shrubland 210 Bitterbrush 212 Blackbush 302 Bluebunch wheatgrass-Sandberg bluegrass 303 Bluebunch wheatgrass-western wheatgrass 306 Idaho fescue-slender wheatgrass 314 Big sagebrush-bluebunch wheatgrass 315 Big sagebrush-Idaho fescue 316 Big sagebrush-rough fescue 317 Bitterbrush-bluebunch wheatgrass 318 Bitterbrush-Idaho fescue 319 Bitterbrush-rough fescue 320 Black sagebrush-bluebunch wheatgrass 321 Black sagebrush-Idaho fescue 322 Curlleaf mountain-mahogany-bluebunch wheatgrass 324 Threetip sagebrush-Idaho fescue 401 Basin big sagebrush 402 Mountain big sagebrush 403 Wyoming big sagebrush 404 Threetip sagebrush 405 Black sagebrush 412 Juniper-pinyon woodland 413 Gambel oak 414 Salt desert shrub 415 Curlleaf mountain-mahogany 416 True mountain-mahogany 421 Chokecherry-serviceberry-rose 501 Saltbush-greasewood 502 Grama-galleta 504 Juniper-pinyon pine woodland 607 Wheatgrass-needlegrass 608 Wheatgrass-grama-needlegrass 612 Sagebrush-grass 615 Wheatgrass-saltgrass-grama 708 Bluestem-dropseed 735 Sideoats grama-sumac-juniper HABITAT TYPES AND PLANT COMMUNITIES:Gray horsebrush is most frequently associated with sagebrush (Artemisia spp.), pinyon-juniper (Pinus-Juniperus spp.), ponderosa pine (Pinus ponderosa) [21,35,37,40,61] mountain brush, mixed conifer, and quaking aspen (Populus tremuloides) communities [61]. Green rabbitbrush (Chrysothamnus viscidiflorus) is a common associate of gray horsebrush in big sagebrush (A. tridentata) communities of Idaho, Montana, and Nevada [31,60,66]. Threetip sagebrush (A. tripartita), rubber rabbitbrush (Chrysothamnus nauseous), and Idaho fescue (Festuca idahoensis) are associates in Idaho and Montana [31,60], while needle-and-thread grass (Hesperostipa comata) and Indian ricegrass (Achnatherum hymenoides) are associated in Montana and Nevada [60,66]. Other common associates of gray horsebrush include antelope bitterbrush (Purshia tridentata) and mountain snowberry (Symphoricarpos oreophilus) in Idaho [31]; black sagebrush (A. nova) and bluebunch wheatgrass (Pseudoroegneria spicata) in Montana [60]; and bottlebrush squirreltail (Elymus elymoides), desert peach (Prunus andersonii), green ephedra (Ephedra viridis), and Thurber needlegrass (Achnatherum thurberianum) in Nevada [66].
Related categories for SPECIES: Tetradymia canescens | Gray Horsebrush |
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