Aceraceae A: 01870800 Acer glabrum Torrey USA: Colorado on the west side of B-cut, Mesa Verde Nation... R. Nicholson 270 1981-9-9
A: 01870801 Acer glabrum Torrey USA: Colorado on the west side of B-cut, Mesa Verde Nation... R. Nicholson 271 1981-9-9
A: 01791265 Acer grandidentatum Nuttall ex Torrey & A. Gray USA: Utah near Soldier Summit R. Nicholson 383 1981-9-18
A: 01791581 Acer negundo Linnaeus USA: Colorado Mesa Verde National Park; meadow west of the... R. Nicholson 276 1981-9-10
Anacardiaceae A: 01868140 Rhus trilobata Nuttall USA: Colorado Collected below the ruins of Spruce Tree Can... R. Nicholson 264 1981-9-9
Asteraceae A: 00968436 Artemisia cana Pursh USA: Colorado the foothills of Hahns Peak; near Columbine R. Nicholson 249-b 1981-9-5
A: 01234273 Artemisia nova A. Nelson USA: Wyoming about 4 miles east of Laramie, Wyoming on rt... R. Nicholson 456 1981-9-27
A: 01237021 Artemisia sp. USA: Colorado Mt. Evans R. Nicholson 197 1981-9-2
A: 02216763 Chrysothamnus sp. USA: Wyoming Collected about 4 miles east of Laramie, Wyo... R. Nicholson 457 1981-9-27
A: 02216761 Chrysothamnus sp. USA: Arizona Collected along Rt. 89; near the Echo Cliffs R. Nicholson 364 1981-9-16
Berberidaceae A: 02169441 Mahonia repens (Lindley) G. Don USA: Colorado Collected just below the ruins of Spruce Tre... R. Nicholson 259 1981-9-9
Betulaceae A: 02197009 Alnus oblongifolia Torrey USA: Arizona Plant collected along Oak Creek at the Pine ... R. Nicholson 332 1981-8-14
A: 02197008 Alnus oblongifolia Torrey USA: Arizona Plant collected about 10 miles above Sedona,... R. Nicholson 335 1981-9-15
GH: 02197134 Alnus rubra Bongard USA: Idaho Collected at Lowell, Idaho, near the junctio... R. Nicholson 402 1981-9-21
GH: 02197133 Alnus rubra Bongard USA: Idaho Collected at Trestle Creek. Elevation 627 m.... R. Nicholson 410 1981-9-23
Boraginaceae A: 01997629 Mertensia ciliata (James) G. Don USA: Colorado at Slavonia R. Nicholson 224 1981
Caprifoliaceae A: 02038453 Lonicera involucrata (Richardson) Banks ex Sprengel USA: Colorado along the shore of Steamboat Lake, near Clar... R. Nicholson 212 1981
A: 02038454 Lonicera involucrata (Richardson) Banks ex Sprengel USA: Colorado at Slavonia, on the banks of the Middle Fork... R. Nicholson 226 1981
A: 02183937 Sambucus racemosa Linnaeus USA: Colorado RT. 5, Mt. Evans R. Nicholson 194 1981
A: 02036634 Symphoricarpos oreophilus A. Gray USA: Colorado Mesa Verde National Park R. Nicholson 269 1981-9-9
Celastraceae A: 01787348 Paxistima myrsinites (Pursh) Rafinesque USA: Colorado Slavonia, an abandoned town. On the banks of... R. Nicholson 217 1981
Chenopodiaceae A: 02003469 Atriplex confertifolia (Torrey & Fremont) Watson USA: Arizona near the Navajo Bridge, RT 89 R. Nicholson 364 1981-9-16
Crassulaceae A: 01990109 Rhodiola integrifolia Rafinesque USA: Colorado Collected at Summit Lake, Mt. Evans. R. Nicholson 201 1981-9-2
A: 01991582 Sedum lanceolatum Torrey USA: Utah at the summit of Abajo Peak R. Nicholson 281 1981-9-11
A: 01990109 Sedum rosea integrifolium (Rafinesque) Hultén USA: Colorado Collected at Summit Lake, Mt. Evans. R. Nicholson 201 1981-9-2
Cucurbitaceae A: 01543875 Cucurbita foetidissima Kunth USA: Arizona Collected in the switchbacks of RT 179, Nort... R. Nicholson 348 1981-9-15
Cupressaceae A: 02103749 Cupressus arizonica bonita Lemmon USA: Arizona collected 2.8 miles above Sedona; alongside ... R. Nicholson 320 1981-9-14
A: 02104059 Juniperus communis Linnaeus USA: Utah Collected at the summit of Abajo Peak R. Nicholson 280 1981-9-11
A: 02104535 Juniperus communis montana Aiton USA: Colorado Collected at the town camp ground, Telluride R. Nicholson 229 1981
A: 02104684 Juniperus deppeana Steudel USA: Arizona Collected along the roadside at the Encinoso... R. Nicholson 339 1981-9-15
A: 02105353 Juniperus monosperma Sargent USA: Arizona collected 7.4 miles from Sedona, Arizona on ... R. Nicholson 326 1981-9-14
A: 02105622 Juniperus osteosperma (Torrey) Little USA: Arizona collected 2.8 miles above Sedona, Arizona al... R. Nicholson 319 1981-9-14
A: 02106089 Juniperus scopulorum Sargent USA: Colorado Collected roadside Rt. 103, Idaho Springs R. Nicholson 193 1981-9-2
A: 02107455 Thuja plicata Donn ex D. Don USA: Idaho [data not captured] R. Nicholson 388 1981-9-20
A: 02107449 Thuja plicata Donn ex D. Don USA: Idaho [data not captured] R. Nicholson 425 1981-9-24
Cyperaceae A: 01771461 Carex sp. USA: Colorado Summit Lake, Mt. Evans R. Nicholson 204 1981-9-2
Elaeagnaceae A: 01576071 Elaeagnus angustifolia Linnaeus USA: Colorado 5 miles east of Stoner R. Nicholson 250 1981
A: 01577042 Shepherdia rotundifolia Parry USA: Utah Collected alongside RT. 47 near Bluff; 2-1/2... R. Nicholson 310 1981-9-13
Ericaceae A: 01117686 Arctostaphylos pungens Kunth USA: Arizona Collected 6.1 miles above Sedona, Arizono, a... R. Nicholson 324 1981-9-14
A: 01537276 Cassiope mertensiana gracilis Piper USA: Oregon Collected on Mt. Howard, the Wallowa Mts R. Nicholson 450 1981-9-25
A: 01562151 Chimaphila menziesii (R. Brown) Sprengel USA: Idaho collected at Trestle Creek R. Nicholson 405 1981-9-23
A: 01720089 Orthilia secunda (Linnaeus) House USA: Oregon above the west fork of the Wallowa River, Wa... R. Nicholson 444 1981-9-25
A: 01683155 Phyllodoce empetriformis (Smith) D. Don USA: Idaho [data not captured] R. Nicholson 414 1981-9-22
A: 01683655 Pterospora andromedea Nuttall USA: Oregon [data not captured] R. Nicholson 446-a 1981-9-24
A: 01684793 Pyrola asarifolia Michaux USA: Oregon [data not captured] R. Nicholson 439 1981-9-24
A: 01762191 Rhododendron albiflorum warrenii (A. Nelson) M. A. Lane USA: Colorado [data not captured] R. Nicholson 218 1981-9-4
A: 01763277 Rhododendron columbianum (Piper) Harmaja USA: Oregon [data not captured] R. Nicholson 445 1981-9-25
Fabaceae A: 02085030 Lupinus argenteus Pursh USA: Colorado Steamboat Lake R. Nicholson 209 1981-9-3
A: 02176881 Lupinus leucophyllus Douglas ex Lindley USA: Oregon [data not captured] R. Nicholson 448 1981-9-25
A: 02129315 Lupinus sp. USA: Utah Collected at the summit of Abajo Peak R. Nicholson 296-b 1981-9-11
A: 02347953 [None] USA: Arizona along roadside of Rt. 89 about 4.1 miles nor... R. Nicholson 321 1981-9-14
A: [None] USA: Arizona along roadside of Rt. 89 about 4.1 miles nor... R. Nicholson 321 1981-9-14
Gentianaceae A: 02069887 Frasera speciosa Douglas ex Grisebach USA: Utah Collected at the summit of Abajo Peak R. Nicholson 289 1981-9-11
A: 02072199 Gentiana algida Pallas USA: Colorado Collected at Summit Lake, Mt. Evans R. Nicholson 202 1981-9-2
A: 02072895 Gentiana parryi Engelmann USA: Utah Collected at the summit of Abajo Peak R. Nicholson 282 1981-9-11
A: 02164376 Swertia perennis Linnaeus USA: Colorado Collected at Lizard Head Pass, near Tellurid... R. Nicholson 238 1981-9-7
Hydrangeaceae A: 01750785 Fendlera falcata Thornber ex Wooton & Standley USA: Colorado Collected near roadside above B-cut, Mesa Ve... R. Nicholson 268 1981-9-9
Iridaceae A: 01747445 Iris missouriensis Nuttall USA: Colorado Collected at Mesa Verde National Park, Color... R. Nicholson 275 1981-9-10
A: 01747506 Iris missouriensis Nuttall USA: Utah along the road to Abajo Peak R. Nicholson 283 1981
Linaceae A: 02053316 Linum lewisii Pursh USA: Utah at the summit of Abajo Peak R. Nicholson 294 1981
Malvaceae A: 02198107 Sphaeralcea parvifolia A. Nelson USA: Colorado Collected at the base of Spruce Tree Canyon,... R. Nicholson 261 1981-9-9
Mimosaceae A: 01680767 Acacia greggii A. Gray USA: Arizona Collected 1 mile north of Sedona, the lower ... R. Nicholson 315 1981-9-14
Oleaceae A: 01848255 Fraxinus anomala Torrey ex S. Watson USA: Utah at Arches National Monument, the campgrounds... R. Nicholson 297 1981
A: 01848634 Fraxinus cuspidata Torrey USA: Arizona at Pine Flats State Campground. RT. 179, Oak... R. Nicholson 343 1981-9-15
A: 01850343 Fraxinus velutina Torrey USA: Arizona Collected at Pine Flats State Campground, RT... R. Nicholson 342 1981-9-15
Orchidaceae A: 01938670 Corallorhiza striata Lindley USA: Idaho at Trestle Creek R. Nicholson 409 1981-9-23
A: 01937857 Cypripedium montanum Douglas ex Lindley USA: Oregon Collected in teh Wallowa Mts. R. Nicholson 437 1981-9-24
A: 02028064 Goodyera oblongifolia Rafinesque USA: Oregon on the slopes above the west fork of the Wal... R. Nicholson 446-b 1981-9-24
Orobanchaceae A: 01878036 Castilleja miniata Douglas ex Hooker USA: Colorado at Slavonia R. Nicholson 222 1981
A: 01879359 Castilleja sulphurea Rydberg USA: Colorado at Lizzard Head Pass; near Telluride R. Nicholson 237 1981
A: 01879525 Castilleja vreelandii Rydberg USA: Utah at the summit of Abajo Peak; 109°28', 37°5... R. Nicholson 287 1981
Parnassiaceae A: 01855392 Parnassia fimbriata K. D. Koenig USA: Colorado at Slavonia; along the banks of the Midle Fo... R. Nicholson 223 1981
Pinaceae A: 00395618 Abies concolor (Gordon & Glendinning) Lindley ex Hildebrand USA: Arizona of rte 179, northern Oak Creek Canyon R. Nicholson 348-b 1981-9-15
A: 00395769 Abies grandis (Douglas ex D. Don) Lindley USA: Idaho Collected near the Selway River about 4 mile... R. Nicholson 387 1981-9-20
A: 00395881 Abies lasiocarpa (Hooker) Nuttall USA: Colorado Collected on the shores of Steamboat Lake; n... R. Nicholson 207 1981
A: 00396470 Picea engelmannii Parry ex Engelmann USA: Arizona Collected on Agassiz Peak, San Francisco MTs... R. Nicholson 351 1981-9-16
A: 00397242 Picea pungens Engelmann USA: Colorado Collected at Slavonia R. Nicholson 221 1981-9-4
A: 00397532 Pinus aristata Engelmann USA: Arizona Collected at Agassiz Peak, San Francisco MTS... R. Nicholson 349 1981-9-16
A: 00397561 Pinus aristata Engelmann USA: Colorado Collected on Mt. Evans R. Nicholson 206-a 1981-9-2
A: 00398138 Pinus contorta latifolia Engelmann USA: Colorado On the shores of Steamboat Lake; near Clark R. Nicholson 210 1981-9-3
A: 00357074 Pinus ponderosa P. Lawson & C. Lawson USA: Colorado Mesa Verde National Park, Colorado, in the m... R. Nicholson 273 1981-9-10
A: 00399167 Pinus ponderosa P. Lawson & C. Lawson USA: Arizona Collected 5.3 miles above Sedona, along RT 8... R. Nicholson 323 1981-9-14
A: 01113389 Pseudotsuga menziesii (Mirbel) Franco USA: Colorado Collected just below the ruins of Spruce Tre... R. Nicholson 260 1981-9-9
Plantaginaceae A: 02002643 Penstemon barbatus (Cavanilles) Roth USA: Colorado Collected on the slopes of Spruce Tree Canyo... R. Nicholson 263 1981-9-9
A: 02118878 Penstemon deustus Douglas USA: Oregon [data not captured] R. Nicholson 442 1981-9-25
A: 01801660 Penstemon sp. USA: Oregon [data not captured] R. Nicholson 451-b 1981-9-26
Polemoniaceae A: 00985130 Ipomopsis aggregata (Pursh) V. E. Grant USA: Colorado Collected near the junction of Boomerang Roa... R. Nicholson 247 1981-9-7
A: 00985247 Ipomopsis aggregata (Pursh) V. E. Grant USA: Utah Collected at the summit of Abajo Peak R. Nicholson 293 1981
Polygonaceae A: 02346348 Bistorta bistortoides (Pursh) Small USA: Colorado Summit Lake, Mt. Evans R. Nicholson 206 1981-9-2
A: 01851269 Eriogonum jamesii Bentham USA: Colorado Collected on the slopes of Spruce Tree Canyo... R. Nicholson 262 1981-9-9
A: 01966151 Eriogonum pyrolifolium Hooker USA: Idaho At the summit of Grave Peak, Clearwater Nati... R. Nicholson 416 1981-9-22
A: 01966223 Eriogonum racemosum Nuttall USA: Colorado at the campgrounds of Mesa Verde National Pa... R. Nicholson 277 1981-9-10
A: 02043260 Eriogonum umbellatum aureum (Gandoger) Reveal USA: Colorado Collected near the junction of Boomerang Roa... R. Nicholson 246 1981-9-7
Portulacaceae A: 01858837 Claytonia megarhiza (A. Gray) Parry ex S. Watson USA: Colorado Mt. Evans R. Nicholson 196 1981-9-2
Ranunculaceae A: 01720228 Aconitum columbianum Nuttall USA: Colorado Collected at Lizard Head Pass, near Tellurid... R. Nicholson 243 1981
A: 01709782 Aquilegia pallens Payson USA: Utah Collected in the lower reaches of Negro Bill... R. Nicholson 305 1981-9-13
A: 01838932 Thalictrum fendleri Engelmann ex A. Gray USA: Arizona Collected in Oak Creek Canyon R. Nicholson 344 1981-9-15
A: 01838988 Thalictrum fendleri Engelmann ex A. Gray USA: Colorado Collected at the town campground Telluride R. Nicholson 232 1981-9-6
A: 01839033 Thalictrum fendleri Engelmann ex A. Gray USA: Utah Collected at the summit of Abajo Peak R. Nicholson 296 1981
Rhamnaceae A: 01789501 Ceanothus fendleri A. Gray USA: Utah Abajo Peak R. Nicholson 284 1981
A: 01789933 Ceanothus integerrimus Hooker & Arnott USA: Arizona at the Encinoso State Picnic area, Rt. 179, ... R. Nicholson 1981-9-15
A: 01790795 Frangula betulifolia (Greene) Grubov USA: Utah in the lower reaches of Negro Bill Canyon, n... R. Nicholson 304 1981-9-13
A: 01790804 Frangula californica (Eschscholtz) A. Gray USA: Arizona 7.4 miles from Sedona, on the banking above ... R. Nicholson 328 1981-9-14
Rosaceae A: 01726407 Amelanchier alnifolia (Nuttall) Nuttall ex M. Roemer USA: Idaho Collected at Trestle Creek. Elevation 627m. ... R. Nicholson 406 1981-9-23
A: 01726653 Amelanchier alnifolia pumila (Torrey & A. Gray) C. K. Schneider USA: Colorado Collected on the shores of Steamboat Lake; n... R. Nicholson 208 1981-9-3
A: 01587475 Cercocarpus montanus Rafinesque USA: Wyoming about 4 miles east of Laramie, Wyoming on rt... R. Nicholson 454 1981-9-27
A: 01587846 Cercocarpus montanus paucidentatus (S. Watson) F. L. Martin USA: Arizona plant collected along Oak Creek at the Pine ... R. Nicholson 333 1981-9-14
A: 00994179 Chamaebatiaria millefolium (Torrey) Maximowicz USA: Arizona RT. 179 Northern Oak Creek Canyon. R. Nicholson 340 1981-9-15
A: 01607953 Dasiphora fruticosa (Linnaeus) Rydberg USA: Colorado Collected at Lizard Head Pass; near Tellurid... R. Nicholson 240 1981-9-7
A: 01610256 Geum rossii (R. Brown) Seringe USA: Colorado Collected at Summit Lake, Mt. Evans R. Nicholson 200 1981-9-2
A: 01610259 Geum rossii (R. Brown) Seringe USA: Colorado Collected at Summit Lake, Mt. Evans R. Nicholson 205 1981-9-2
A: 00994567 Holodiscus discolor (Pursh) Maximowicz USA: Idaho About 4 miles southeast of Lowell R. Nicholson 391 1981-9-20
A: 01153684 Luetkea pectinata (Pursh) Kuntze USA: Idaho summit of Grave Peak, Clearwater National Fo... R. Nicholson 418 1981-9-22
A: 01568357 Potentilla hippiana Lehmann USA: Utah Abajo Peak R. Nicholson 292 1981
A: 01725179 Prunus virginiana Linnaeus USA: Colorado Collected near roadside above B-cut, Mesa Ve... R. Nicholson 267 1981-9-9
A: 01556347 Purshia stansburiana (Torrey) Henrickson USA: Arizona Collected in the switchbacks of RT. 179, Nor... R. Nicholson 338 1981-9-15
A: 01556359 Purshia stansburiana (Torrey) Henrickson USA: Arizona Collected in Grand Canyon National Park. On ... R. Nicholson 374-b 1981-9-17
A: 01556480 Purshia stansburiana (Torrey) Henrickson USA: Utah Collected at Arches National Monument, the c... R. Nicholson 299 1981
A: 01602034 Rosa sp. USA: Utah Collected at the summit of Abajo Peak R. Nicholson 285 1981
A: 01605507 Rubus idaeus strigosus (Michaux) Focke USA: Colorado Collected at Slavonia; an abandoned town. On... R. Nicholson 216 1981-9-4
A: 01701692 Rubus parviflorus Nuttall USA: Colorado Collected at Slavonia; an abandoned town. On... R. Nicholson 215 1981-9-4
A: 01863045 Sorbus scopulina Greene USA: Colorado Collected in the foothills of Hahns Peak; ne... R. Nicholson 249 1981
A: 01863357 [None] USA: Arizona on Agassiz Peak, San Francisco Mts. ON the w... R. Nicholson 352 1981-9-16
A: [None] USA: Arizona on Agassiz Peak, San Francisco Mts. ON the w... R. Nicholson 352 1981-9-16
Rutaceae A: 01584303 Ptelea trifoliata angustifolia (Bentham) V. L. Bailey USA: Arizona Collected 7.8 miles from Sedona, ont he bank... R. Nicholson 329 1981-9-14
Saxifragaceae A: 01735931 Heuchera versicolor Greene USA: Arizona Collected above treeline on Agassiz Peak, Sa... R. Nicholson 354 1981-9-16
A: 01886627 Ribes lacustre Poiret USA: Colorado Collected at Lizard Head Pass; near Tellurid... R. Nicholson 235 1981
A: 01886628 Ribes lacustre Poiret USA: Colorado Collected at Slavnoia, Colorado; an abandone... R. Nicholson 214 1981
Scrophulariaceae A: 01841277 Erythranthe eastwoodiae (Rydberg) G. L. Nesom & N. S. Fraga USA: Utah lower reaches of Negro Bill Canyon, near Moa... R. Nicholson 306 1981-9-13
Vitaceae A: 01578014 Parthenocissus vitacea (Knerr) Hitchcock USA: Colorado Collected at Morfield Campground Ranger Stat... R. Nicholson 278 1981-9-10
A: 01578820 Vitis arizonica Engelmann USA: Arizona at the Pine Flats State Campground, RT. 179,... R. Nicholson 341 1981-9-15