Asteraceae GH: 02353220 Erigeron grandiflorus Hooker USA: Wyoming slope North Tongue River, Big Horn Mts L. O. Williams 2361 1935-7-6
GH: 02353221 Erigeron grandiflorus Hooker USA: Colorado mountain east of Cameron Pass L. O. Williams 2447 1935-7-21
GH: 02353994 Erigeron melanocephalus A. Nelson USA: Wyoming near Silver Lake, Medicine Bow Mts. L. O. Williams 2390 1935-8-11
GH: 02204585 Heterotheca villosa foliosa (Nuttall) Harms USA: Wyoming ten miles northwest of Cheyenne L. O. Williams 2454 1935-8-6
GH: 01832078 Hieracium gronovii Linnaeus USA: West Virginia [data not captured] L. O. Williams 356 1935-10-6
Boraginaceae GH: 02024489 Cryptantha minima Rydberg USA: Colorado one mile east of First View L. O. Williams 2290 1935-6-27
GH: 02025679 Cryptantha torreyana (A. Gray) Greene USA: Wyoming along the Laramie River near Laramie L. O. Williams 2217 1935-6-18
GH: 02026754 Eritrichium nanum elongatum (Rydberg) Cronquist USA: Wyoming Powder River Pass, Big Horn Mts L. O. Williams 2329 1935-7-3
GH: 01995981 Lithospermum croceum Fernald USA: Colorado .7 miles south of Holyoke L. O. Williams 2301 1935-6-29
GH: 01996465 Lithospermum incisum Lehmann USA: Wyoming east of Laramie L. O. Williams 2194 1935-6-13
GH: 01996759 Lithospermum occidentale (Mackenzie) Weakley, Witsell & D. Estes USA: Colorado 5 miles west of Hugo L. O. Williams 2296 1935-6-28
GH: 01997444 Mertensia alpina (Torrey) G. Don USA: Colorado above Glen Cove, north side of Pike's Peak L. O. Williams 2464 1935-8-10
GH: 01997440 Mertensia alpina (Torrey) G. Don USA: Colorado above Glen Cove, north side of Pike's Peak L. O. Williams 2464 1935-8-10
GH: 01997571 Mertensia brevistyla S. Watson USA: Utah four miles north of Park City L. O. Williams 2143 1935-5-25
GH: 01997858 Mertensia ciliata (James) G. Don USA: Wyoming near Powder River Pass, Big Horn Mts. L. O. Williams 2333 1935-7-4
GH: 01997840 Mertensia ciliata (James) G. Don USA: Wyoming near Libbey Creek, Medicine Bow Mts. L. O. Williams 2385 1935-7-13
GH: 01997616 Mertensia ciliata (James) G. Don USA: Colorado Rabbit Ears Pass L. O. Williams 2426 1935-7-20
GH: 01997929 Mertensia franciscana A. Heller USA: Colorado 14 miles south of Trinidad toward Raton Pass L. O. Williams 2273 1935-6-24
GH: 01997926 Mertensia franciscana A. Heller USA: Colorado 14 miles south of Trinidad toward Raton Pass L. O. Williams 2273 1935-6-24
GH: 01997985 Mertensia humilis Rydberg USA: Wyoming one miles east of Laramie L. O. Williams 2113 1935-5-19
GH: 01997984 Mertensia humilis Rydberg USA: Wyoming one miles east of Laramie L. O. Williams 2193 1935-6-13
GH: 01997998 Mertensia lanceolata (Pursh) de Candolle USA: Colorado along Hiway 71, 15 miles north of Limon L. O. Williams 2297 1935-6-28
GH: 02058038 Mertensia lanceolata (Pursh) de Candolle USA: Colorado along Colorado River, Hot Sulphur Springs L. O. Williams 2418 1935-7-19
GH: 02058025 Mertensia lanceolata (Pursh) de Candolle USA: Colorado one mile south of Palmer Lake L. O. Williams 2249 1935-6-22
GH: 02058024 Mertensia lanceolata (Pursh) de Candolle USA: Colorado 10 miles north of Castle Rock L. O. Williams 2244 1935-6-22
GH: 02058047 Mertensia lanceolata (Pursh) de Candolle USA: Colorado mouth of Big Thompson Canyon, 8 mi. west of ... L. O. Williams 2409 1935-7-17
GH: 02058124 Mertensia lanceolata (Pursh) de Candolle USA: Wyoming Roger's Canyon 8 miles N. E. of Laramie L. O. Williams 2181 1935-6-13
GH: 02058121 Mertensia lanceolata (Pursh) de Candolle USA: Wyoming near city Spring Laramie L. O. Williams 2187 1935-6-13
GH: 02058118 Mertensia lanceolata (Pursh) de Candolle USA: Wyoming Roger's Canyon, 8 miles N. E. of Laramie L. O. Williams 2181 1935-6-13
GH: 02058117 Mertensia lanceolata (Pursh) de Candolle USA: Wyoming Base of a ledge, Telephone Canyon east of La... L. O. Williams 2220 1935-6-18
GH: 02058116 Mertensia lanceolata (Pursh) de Candolle USA: Wyoming 5 miles south of Cheyenne L. O. Williams 2239 1935-6-21
GH: 02058115 Mertensia lanceolata (Pursh) de Candolle USA: Wyoming Happy Jack Canyon L. O. Williams 2221 1935-6-18
GH: 02058279 Mertensia lanceolata secundorum Cockerell USA: Colorado one mile south of Palmer Lake L. O. Williams 2249a 1935-6-22
GH: 02058277 Mertensia lanceolata secundorum Cockerell USA: Colorado in Raton Pass, 14 miles south of Trinidad L. O. Williams 2272 1935-6-24
GH: 02058264 Mertensia lanceolata secundorum Cockerell USA: Colorado toward the base of Pike's Peak L. O. Williams 2253 1935-6-22
GH: 02058141 Mertensia lanceolata nivalis (S. Watson) L. C. Higgins USA: Colorado summit of a mt. east of Cameron Pass L. O. Williams 2445 1935-7-21
GH: 02058138 Mertensia lanceolata nivalis (S. Watson) L. C. Higgins USA: Colorado summit of a mt. east of Cameron Pass L. O. Williams 2444 1935-7-21
GH: 02058180 Mertensia lanceolata nivalis (S. Watson) L. C. Higgins USA: Colorado summit of a mt. east of Cameron Pass L. O. Williams 2446 1935-7-21
GH: 02058175 Mertensia lanceolata nivalis (S. Watson) L. C. Higgins USA: Colorado summit of a mt. west of Cameron Pass L. O. Williams 2450 1935-7-21
GH: 02058172 Mertensia lanceolata nivalis (S. Watson) L. C. Higgins USA: Colorado toward the base of Pike's Peak, 17 miles eas... L. O. Williams 2251 1935-6-22
GH: 02058171 Mertensia lanceolata nivalis (S. Watson) L. C. Higgins USA: Colorado Trail Ridge, Ry. Mt. Nat. Park. L. O. Williams 2411 1935-7-19
GH: 02058215 Mertensia lanceolata nivalis (S. Watson) L. C. Higgins USA: Colorado slope of a mt. east of Cameron Pass L. O. Williams 2448 1935-7-21
GH: 02058193 Mertensia lanceolata nivalis (S. Watson) L. C. Higgins USA: Colorado Ute Pass L. O. Williams 2485 1935-8-12
GH: 02058255 Mertensia lanceolata nivalis (S. Watson) L. C. Higgins USA: Wyoming upper Libbey Creek, Medicine Bow Mts. L. O. Williams 2386 1935-6-13
GH: 02058132 Mertensia lanceolata coriacea (A. Nelson) L. C. Higgins & S. L. Welsh USA: Wyoming upper Libbey Creek, Medicine Bow Mts. L. O. Williams 2386 1935-6-13
GH: 02058680 Mertensia oblongifolia (Nuttall) G. Don USA: Wyoming Little Baldy, Big Horn Mts. L. O. Williams 2360 1935-7-5
GH: 02058884 Mertensia oblongifolia nevadensis (A. Nelson) L. O. Williams USA: Wyoming 15 mi. east of Kane; Big Horn Mts. L. O. Williams 2353 1935-7-5
GH: 00062063 Mertensia oreophila L. O. Williams USA: Wyoming Near head of North Fork of Powder River, Big... L. O. Williams 2331 1935-7-4
GH: 00062064 Mertensia oreophila L. O. Williams USA: Wyoming Near head of North Fork of Powder River, Big... L. O. Williams 2331 1935-7-4
GH: 00062075 Mertensia parvifolia (L. O. Williams) Nazaire & L. Hufford USA: Colorado Rocky grassy summit of a mountain east of Ca... L. O. Williams 2444 1935-7-21
GH: 00062075 Mertensia viridis parvifolia L. O. Williams USA: Colorado Rocky grassy summit of a mountain east of Ca... L. O. Williams 2444 1935-7-21
GH: 01872840 Myosotis alpestris asiatica Vestergren ex Hultén USA: Wyoming Powder River Pass, Big Horn Mts. L. O. Williams 2327 1935-7-3
GH: 01872961 Myosotis discolor Persoon ex Murray USA: Wyoming 8 miles northwest of Hulett L. O. Williams 2373 1935-7-8
GH: 02059757 Oreocarya caespitosa A. Nelson USA: Wyoming one mile north of Rawlins L. O. Williams 2138 1935-5-23
GH: 02059859 Oreocarya cinerea Greene USA: Colorado ten miles west of Haswell L. O. Williams 2536 1935-6-26
GH: 02060527 Oreocarya flavoculata A. Nelson USA: Wyoming one mile north of Rawlins L. O. Williams 2137 1935-5-23
GH: 02060674 Oreocarya glomerata (Pursh) Greene USA: Wyoming two miles south of Mule Creek Oil Field L. O. Williams 2382 1935-7-10
Brassicaceae GH: 01153841 Boechera demissa languida (Rollins) Dorn USA: Wyoming near the city spring L. O. Williams 2183 1935-6-13
GH: 00986132 Crucihimalaya virgata (Nuttall) D. A. German & A. L. Ebel USA: Wyoming mouth of Telephone Canyon L. O. Williams 2229 1935-6-20
GH: 00992138 Draba streptocarpa A. Gray USA: Colorado near summit of mt. Cameron Pass L. O. Williams 2441 1935-7-21
GH: 01538268 Erysimum capitatum argillosum (Greene) R. J. Davis USA: Colorado south of Trinidad about 8 mi L. O. Williams 2268 1935-6-24
GH: 01550852 Noccaea fendleri glauca (A. Nelson) Al-Shehbz & M. Koch USA: Wyoming upper Libby Creek, Medicine Bow Mts. L. O. Williams 2389 1935-7-13
GH: 01573850 Physaria arenosa (Richardson) O'Kane & Al-Shehbaz USA: Wyoming two miles south of Mule Creek Oil Field L. O. Williams 2381 1935-7-10
GH: 01687626 Physaria montana (A. Gray) Greene USA: New Mexico in Raton Pass fourteen miles south of Trinid... L. O. Williams 2277 1935-6-24
GH: 01687656 Physaria montana (A. Gray) Greene USA: Wyoming one mile east of Laramie L. O. Williams 2198 1935-6-13
GH: 01691338 Physaria reediana O'Kane & Al-Shehbaz USA: Wyoming Dry western slopes of Big Horn Mts., ten-fif... L. O. Williams 2352 1935-7-5
GH: 01691671 Physaria sp. USA: Wyoming Laramie River, west of Laramie L. O. Williams 2206 1935-6-18
GH: 01716163 Sisymbrium linifolium (Nuttall) Nuttall ex Torrey & A. Gray USA: Wyoming mouth of Telephone Canyon L. O. Williams 2230 1935-6-20
Campanulaceae GH: 01795698 Campanula parryi A. Gray USA: Colorado Pike's Peak road L. O. Williams 2474 1935-8-11
GH: 01796558 Campanula rotundifolia Linnaeus USA: Wyoming near Hulett L. O. Williams 2371 1935-7-8
Caryophyllaceae GH: 01741540 Arenaria hookeri Nuttall ex Torrey & A. Gray USA: Colorado two miles west of Stratton L. O. Williams 2293 1935-6-27
GH: 01715081 Paronychia sessiliflora Nuttall USA: Wyoming 10 miles northwest of Cheyenne L. O. Williams 2539 1935-8-6
Ericaceae GH: 01763328 Rhododendron columbianum (Piper) Harmaja USA: Wyoming [data not captured] L. O. Williams 2503 1935-8-25
Fabaceae GH: 01958480 Hedysarum sulphurescens Rydberg USA: Wyoming Big Horn Mountains. 20 miles west of Dayton L. O. Williams 2364 1935-7-6
GH: 02150087 Lathyrus polymorphus incanus (J. G. Smith & Rydberg) C. L. Hitchcock USA: Wyoming five miles south of Cheyenne L. O. Williams 2238 1935-6-21
GH: 02129259 Lupinus wyethii S. Watson USA: Wyoming Telephone Canyon east of Laramie L. O. Williams 2219 1935-6-18
GH: 02131064 Oxytropis lambertii bigelovii A. Gray USA: Wyoming near Centennial L. O. Williams 2396 1935-7-14
Gentianaceae GH: 02072091 Gentiana affinis Grisebach USA: Wyoming Happy Jack road L. O. Williams 2530 1935-9-3
Iridaceae GH: 01747537 Iris missouriensis Nuttall USA: Wyoming Meadows near Laramie River, west of Laramie L. O. Williams 2209 1935-6-18
Lamiaceae GH: 01696991 Scutellaria brittonii Porter USA: Wyoming mouth of Telephone Canyon L. O. Williams 2225 1935-6-20
Nyctaginaceae GH: 01642407 Abronia fragrans Nuttall ex Hooker USA: Colorado Railroad embankments 30 miles north of Greel... L. O. Williams 2241 1935-6-21
GH: 01642408 Abronia fragrans Nuttall ex Hooker USA: Colorado 5 miles north of Eads L. O. Williams 2541 1935-6-26
Oleaceae GH: 01849899 Fraxinus pennsylvanica Marshall USA: Wyoming Elkhorn Creek, northwest of Hulett L. O. Williams 2523 1935-8-31
Orobanchaceae GH: 02080513 Pedicularis crenulata Bentham USA: Wyoming near Centennial L. O. Williams 2397 1935-7-14
GH: 02079836 Pedicularis parryi A. Gray USA: Wyoming upper Libby Creek, Medicine Bow Mts. L. O. Williams 2387 1935-7-13
Papaveraceae GH: 01738464 Corydalis aurea Willdenow USA: Wyoming one mile north of Jackson L. O. Williams 2176 1935-6-3
Pinaceae A: 00397289 Picea pungens Engelmann USA: Wyoming Along the Hoback Riv., Hoback Canon L. O. Williams 1935-8-23
Plantaginaceae GH: 01998234 Chionophila jamesii Bentham USA: Colorado Bank above Glen Cove, north side of Pike's P... L. O. Williams 2467 1935-8-11
GH: 02001037 Linaria vulgaris Miller USA: West Virginia [data not captured] L. O. Williams 357 1935-10-6
GH: 02002007 Penstemon albidus Nuttall USA: Wyoming 5 mi. south of Cheyenne L. O. Williams 2237 1935-6-21
GH: 02002037 Penstemon ambiguus Torrey USA: Colorado five miles north of Eads L. O. Williams 2542 1935-6-26
GH: 02002164 Penstemon angustifolius Nuttall ex Pursh USA: Wyoming 5 miles south of Cheyenne L. O. Williams 2240 1935-6-21
GH: 02002180 Penstemon angustifolius caudatus (A. Heller) D. D. Keck USA: Colorado ten miles west of Haswell L. O. Williams 2289 1935-6-26
GH: 02002694 Penstemon barbatus torreyi (Bentham) A. Gray USA: Colorado hillside five miles south of Trinidad L. O. Williams 2278 1935-6-25
GH: 02118175 Penstemon caryi Pennell USA: Wyoming slope ten miles east of Kane, Big Horn Mts. L. O. Williams 2349 1935-7-5
GH: 02119392 Penstemon eriantherus Pursh USA: Wyoming mouth of Telephone Canyon L. O. Williams 2227 1935-6-20
GH: 02119776 Penstemon glaber Pursh USA: Wyoming Lower Ten Sleep Canyon, Big Horn Mts. L. O. Williams 2320 1935-7-3
GH: 02119767 Penstemon glaber Pursh USA: Wyoming along hiway 85, 10 mi. south of Wheatland L. O. Williams 2308 1935-7-1
GH: 02119962 Penstemon gracilis Nuttall USA: Colorado fourteen miles south of Trinidad and four mi... L. O. Williams 2275 1935-6-24
GH: 02120025 Penstemon gracilis Nuttall USA: Wyoming eight miles northwest of Gulett L. O. Williams 2374 1935-7-8
GH: 02120789 Penstemon laricifolius Hooker & Arnott USA: Wyoming western slopes of the Big Horn Mts., 10 mile... L. O. Williams 2347 1935-7-5
GH: 02120803 Penstemon laricifolius exilifolius (A. Nelson) D. D. Keck USA: Wyoming lower Ten Sleep Canyon, Big Horn Mts. L. O. Williams 2319 1935-7-3
GH: 02122081 Penstemon radicosus A. Nelson USA: Wyoming Roger's Canyon L. O. Williams 2222 1935-6-19
GH: 02122080 Penstemon radicosus A. Nelson USA: Wyoming Upper Ten Sleep Canyon, Big Horn Mts. L. O. Williams 2322 1935-7-3
GH: 02122336 Penstemon rydbergii A. Nelson USA: Wyoming near Centennial L. O. Williams 2398 1935-7-14
GH: 02122346 Penstemon rydbergii aggregatus (Pennell) N. H. Holmgren USA: Colorado Phantom Valley, Rocky Mountain National Park... L. O. Williams 2412 1935-7-19
GH: 02122420 Penstemon secundiflorus Bentham USA: Colorado ten miles north of Castlerock L. O. Williams 2243 1935-6-22
GH: 02122419 Penstemon secundiflorus Bentham USA: Colorado two miles west of hiway 71, fifteen miles no... L. O. Williams 2299 1935-6-28
GH: 02122813 Penstemon strictus Bentham USA: Wyoming near Centennial L. O. Williams 2400 1935-7-14
GH: 01801338 Penstemon watsonii A. Gray USA: Colorado hillsides along the Colorado River near Hot ... L. O. Williams 2416 1935-7-19
Poaceae GH: 01853009 Andropogon gerardi Vitman USA: Wyoming near Elk Horn Creek L. O. Williams 2527 1935-8-31
Polemoniaceae GH: 01000341 Aliciella leptomeria (A. Gray) J. M. Porter USA: Colorado ten miles north of Castlerock L. O. Williams 2247 1935-6-22
Polygonaceae GH: 01618317 Eriogonum annuum Nuttall USA: Wyoming Two miles northwest of Hulett L. O. Williams 2526 1935-8-31
GH: 02043237 Eriogonum umbellatum Torrey USA: Wyoming ten miles north west of Cheyenne L. O. Williams 2538 1935-8-6
Portulacaceae GH: 01928185 Talinum parviflorum Nuttall USA: Colorado 15 miles south of Colorado Springs L. O. Williams 2263 1935-6-24
Ranunculaceae GH: 01709016 Aquilegia coerulea James USA: Wyoming upper Libby Creek, Medicine Bow Mts. L. O. Williams 2388 1935-7-13
GH: 01709741 Aquilegia jonesii Parry USA: Montana in the northern part of the Big Horn Mountai... L. O. Williams 2358 1935-7-5
GH: 01709744 Aquilegia jonesii Parry USA: Wyoming northern part of the Big Horn Mountains L. O. Williams 2358 1935-7-5
GH: 01656356 Clematis columbiana tenuiloba (A. Gray) J. S. Pringle USA: Wyoming Medicine Mt., Big Horn Mts. L. O. Williams 2512 1935-8-28
GH: 01659017 Delphinium geyeri Greene USA: Wyoming 33 miles north of Cheyenne L. O. Williams 2307 1935-7-1
GH: 01659628 Delphinium occidentale (S. Watson) S. Watson USA: Colorado Ute Pass L. O. Williams 2491 1935-8-12
GH: 01662226 Ranunculus acriformis A. Gray USA: Wyoming along Laramie River, west of Laramie L. O. Williams 2215 1935-6-18
Rosaceae GH: 01566040 Ivesia gordonii (Hooker) Torrey & A. Gray USA: Wyoming near Ten Sleep Creek L. O. Williams 2340 1935-7-4
GH: 01569597 Potentilla ovina Macoun USA: Wyoming Little Baldy, Big Horn Mts L. O. Williams 2359 1935-7-5
GH: 01705083 Prunus americana Marshall USA: Colorado banks of Cache la Poudre, twelve miles above... L. O. Williams 2449 1935-7-21
A: 01705090 Prunus americana Marshall USA: Colorado banks of Cache La Poudre River 12 miles abou... L. O. Williams 2449 1935-7-21
Rubiaceae GH: 02139540 Galium tinctorium Linnaeus USA: West Virginia [data not captured] L. O. Williams 370 1935-10-15
Saxifragaceae GH: 01733373 Boykinia jamesii (Torrey) Engler USA: Colorado above Glen Clove, north side of Pike's Peak L. O. Williams 2471 1935-8-11
GH: 01737501 Jamesia americana Torrey & A. Gray USA: Colorado toward base of Pike's Peak L. O. Williams 2257 1935-6-22
GH: 01737549 Jamesia americana Torrey & A. Gray USA: Wyoming Happy Jack Canyon, Laramie Hills L. O. Williams 2407 1935-7-14
GH: 01712541 Micranthes subapetala (E. E. Nelson) Small USA: Wyoming near Powder River Pass, Big Horn Mts. L. O. Williams 2333 1935-7-4
