R
Rabbitbrush, 77
Rabbits, 439 –42
Rainbow Trout, 272 , 273 , 274
Rana catesbeiana , 287 –88
Ranunculaceae, 188 –91
Ranunculus andersonii , 189 –90
Ranunculus cymbalaria , 190
saximontanus , 190
Ranunculus eschscholtzii , 190
oxynotus , 190
Ranunculus glaberrimus , 190
ellipticus , 190
Rats, 447 –49
Rattlesnake Weed, 140
Raven, 391 –92
Red Admiral, 266
Red-breasted Nuthatch, 395
Red Columbine, 188
Red Crossbill, 431 –32
Red-naped Sapsucker, 379 –80
Red-spotted Toad, 285 , 297 , 351 , 353
Red-tailed Hawk, 364 –65
Red Thistle, 116 –17
Reed Dolomite, 90
Regula calendula , 401
Reithrodontomys megalotis , 447
Reptiles, 291 –92
biogeography, 293 –303
observing, 292 –93
Rhineura floridana , 291
Rhinichthys osculus , 272
Rhinocheilus lecontei , 332 , 345 , 347 , 351 , 355 , 357
Ribes aureum , 200
aureum , 200
Ribes cereum , 200 –201
Ribes divaricatum , 201
inerme , 201
Ribes inerme , 201
Ribes velutinum , 201
glanduliferum , 201
Riding's Satyr, 266
Rintail, 452
Rixford Rickwort, 134
Roaches, 253 –54
Rock Gilia, 172
Rock Goldenrod, 121
Rock Melic, 166
Rock Nettle, 154 –55
Rock Potentilla, 196
Rock Primrose, 160
Rock Pteryxia, 112 –13
Rock Senecio, 121
Rock Spiraea, 194
Rock Wren, 397 –98
Rocky Mountain Woodsia, 147
Rodentia, 442 –56
Rodents, 442 –56
Roos Forget-me-not, 125
Rosa woodsii , 197
ultramontana , 197
Rosaceae, 191 –97
Rosalia funebris , 261
Rose Family, 191 –97
Rose Four O'clock, 156
Rose Penstemon, 207
Rosette plants, 82
Rosy Everlasting Flowers, 114
Rosy Finch, 428 –29
Rosy-thorn, 176
Rough Heermann Buckwheat, 179
Rubiaceae, 197 –99
Ruby-crowned Kinglet, 401 –2
Rue Family, 199
Rufous-sided Towhee, 416 , 417
Rumex crispus , 185
Rumex paucifolius , 185
gracilescens , 185
paucifolius , 185
Rush Family, 150 –51
Rush, 150
Rutaceae, 199