B
Badger, 453
Bailey Buckwheat, 177
Banded Alder Borer, 261
Banded Skipper, 263
Barcroft pluton, 50 , 51 , 52 –53
Basin Sagebrush, 77
Basin Senecio, 122
Bassariscus astutus , 452
Batrachoseps campi , 281 , 297 , 353
Bats, 438 –39
Beadpod, 129 –30
Beavers, 450
Beavertail, 131 –32
Becker's White Butterfly, 263
Beer Creek pluton, 49
Bees, 268
Beetles, 258
Bell Gilia, 169
Betulaceae, 98 –99
Big Brown Bat, 438
Big Sagebrush, 114
Big-eyed Bug, 256
Big-leaf Avens, 192 –93
Big-podded Milk-vetch, 143
Bigelow Mimulus, 204
Bipes , 291
Birch Family, 98 –99
Bird's-nest Buckwheat, 181 –82
Birds, 361 –62
Bitterroot, 187
Black Canyon, 54
Black Cottonwood, 77 , 99 –100
Black Toad, 283 –85, 297 , 346 , 355
Black-chinned Sparrow, 419 –20
Black-headed Grosbeak, 413 –14
Black-tailed Hare, 440 –41
Black-throated Gray Warbler, 411
Black-throated Sparrow, 420 –21
Blackbirds, 427 –28
Blackbrush, 192
Blattidae, 254
Blazing Star, 155
Blister Beetles, 259 –60
Blister Dalea, 145 –46
Blue Copper, 265
Blue Elderberry, 132 –33
Blue-gray Gnatcatcher, 402 –3
Blue Grouse, 369 –70
Blues, 264
Boas, 324
Bobcat, 456
Boidae, 324
Boisduval's Blue, 264
Bombus centralis , 270
Bombus morrisoni , 270
Borage Family, 123 –26
Boranginaceae, 123 –26
Bow-nut Forget-me-not, 124
Box Elder, 103
Brassicaceae, 126 –30
Braun-Blanquet faunal resemblance factor (BFRF), 298 , 301 –2
Brazilian-Free-tailed Bat, 439
Brephidium exilis , 265
Brewer Cinquefoil, 194 –95
Brewer Cliff Brake, 147
Brewer's Blackbird, 427
Brewer's Sparrow, 418 –19
Brickellia arguta , 115
Brickellia oblongifolia , 115
linifolia , 115
Bristlecone Microthecum, 181
Bristlecone Pine, 29 , 79 , 80 , 81 , 89 , 90 , 91 , 92 , 93 , 96 –97
Brittlebush, 117
Brittle Fern, 146
Broad-podded Parrya, 82
Broad-shouldered Milk-vetch, 141
Broad-tailed Hummingbird, 379
Brooch Lewisia, 187
Broomrape Family, 163 –64
Broom Sagebrush, 115
Brown Creeper, 396 –97
Brown-eyed Primrose, 159
Brown-headed Cowbird, 427
Brush-footed Butterflies, 266
Bubo virginianus , 373
Buckskin Keckiella, 204
Buckwheat Family, 175 –85
Bud Sagebrush, 77
Bufo boreas , 283 , 297 , 298 , 346 , 348 , 349 , 351
Bufo exsul , 283 , 297 , 346 , 355
Bufo punctatus , 285 , 297 , 351 , 353
Bugs, 255
Bullfrog, 287 –88
Bulrush, 138
Bumble Bees, 270
Buprestidae, 259
Bur Sage, 113
Burro-bush, 113
Burying Beetle, 259
Bush Peppergrass, 129
Bush Sunflower, 117
Bushtit, 394
Bushy Linanthus , 174
Bushy-tailed Wood Rat, 448
Buteo jamaicensis , 364
Buttercup Family, 188 –91
Butterflies, 261 –62