Aceraceae GH: 01870983 Acer glabrum Torrey USA: Wyoming Little Tongue River Canyon L. O. Williams & T. P. Williams 3306 1936-7-4
A: 01870999 Acer glabrum Torrey USA: Wyoming Little Tongue River Canyon L. O. Williams & T. P. Williams 3306 1936-7-10
GH: 01791226 Acer grandidentatum Nuttall ex Torrey & A. Gray USA: Utah Cold Water Canyon L. O. Williams & T. P. Williams 633 1932-6-15
Apocynaceae GH: 02179590 Apocynum androsaemifolium Linnaeus USA: Wyoming Clarks Fork of the Yellowstone River near mo... L. O. Williams & T. P. Williams 3687 1937-7-26
GH: 02178275 Apocynum floribundum Greene USA: Montana Little Tongue River Canyon L. O. Williams & T. P. Williams 3232 1936-7-4
Asteraceae GH: 02141375 Agoseris glauca dasycephala (Torr. & A. Gray) Jepson USA: Wyoming Beartooth Mountains; Selbert Creek, Shoshone... L. O. Williams & T. P. Williams 3535 1937-7-14
GH: 02141374 Agoseris glauca dasycephala (Torr. & A. Gray) Jepson USA: Wyoming Crazy Woman Creek, Shoshone National Forest L. O. Williams & T. P. Williams 3510 1937-7-11
GH: 02141856 Agoseris sp. USA: Wyoming Big Horn Mountains; head of South Paintrock ... L. O. Williams & T. P. Williams 3154 1936-6-28
GH: 00002321 Archibaccharis lucentifolia L. O. Williams Honduras: Francisco Morazán Cloud forest in San Juancinto Mountains, abo... L. O. Williams & T. P. Williams 17497 1961-3-25
GH: 00968002 Artemisia borealis purshii Besser USA: Wyoming Shoshone National Forest; Top of mountain ab... L. O. Williams & T. P. Williams 1937-8-3
GH: 01234088 Artemisia michauxiana Besser USA: Wyoming Little Tongue River Canyon L. O. Williams & T. P. Williams 1936-7-4
GH: 02141978 Askellia elegans (Hooker) W. A. Weber USA: Wyoming Clarks Fork of the Yellowstone River near mo... L. O. Williams & T. P. Williams 3681 1937-7-26
GH: 02216696 Chrysothamnus viscidiflorus lanceolatus (Nuttall) H. M. Hall & Clements USA: Wyoming Shell Creek Canyon near Brindle Creek L. O. Williams & T. P. Williams 3336 1936-7-27
GH: 02142379 Crepis acuminata Nuttall USA: Wyoming Shell Creek Canyon near the mouth of Antelop... L. O. Williams & T. P. Williams 3914 1936-7-1
GH: 02142370 Crepis acuminata Nuttall USA: Wyoming Crazy Woman Creek, Shoshone National Forest L. O. Williams & T. P. Williams 3525 1937-7-12
GH: 02142994 Crepis runcinata Torrey & A. Gray USA: Wyoming Selbert Creek, Shoshone National Forest L. O. Williams & T. P. Williams 3546 1937-7-14
GH: 02142993 Crepis runcinata Torrey & A. Gray USA: Wyoming head of the North Fork of the Powder River L. O. Williams & T. P. Williams 3129 1936-6-26
GH: 02207444 Erigeron acris kamteschaticus (de Candolle) Herder USA: Wyoming Clarks Fork of the Yellowstone River near mo... L. O. Williams & T. P. Williams 3677 1937-7-26
GH: 00006623 Erigeron allocotus S. F. Blake USA: Wyoming Near Grouse Creek, Shell Creek Canyon L. O. Williams & T. P. Williams 3283 1936-7-8
GH: 00006624 Erigeron allocotus S. F. Blake USA: Wyoming Near Grouse Creek, Shell Creek Canyon L. O. Williams & T. P. Williams 3283 1936-7-8
GH: 02206005 Erigeron caespitosus Nuttall USA: Montana [data not captured] L. O. Williams & T. P. Williams 3592 1937-7-18
GH: 02206004 Erigeron caespitosus Nuttall USA: Montana [data not captured] L. O. Williams & T. P. Williams 3723 1937-7-27
GH: 02206283 Erigeron compositus Pursh USA: Colorado Dale Creek, northern Larimer Co. L. O. Williams & T. P. Williams 2127 1935-5-21
GH: 02206466 Erigeron compositus Pursh USA: Wyoming West slopes of the mountains, 10-15 miles ea... L. O. Williams & T. P. Williams 3020 1936-6-19
GH: 02206465 Erigeron compositus Pursh USA: Wyoming Powder River Pass L. O. Williams & T. P. Williams 3136 1936-6-27
GH: 02206458 Erigeron compositus Pursh USA: Wyoming Beartooth Butte, Shoshone National Forest L. O. Williams & T. P. Williams 3758 1937-8-6
GH: 02206690 Erigeron corymbosus Nuttall USA: Wyoming near Grouse Creek, Shell Creek Canyon; T.53N... L. O. Williams & T. P. Williams 3282 1936-7-8
GH: 02206969 Erigeron divergens Torrey & A. Gray USA: Wyoming Crazy Woman Creek [Verbatim transcription of... L. O. Williams & T. P. Williams 3528 1937-7-12
GH: 02348176 Erigeron engelmannii A. Nelson USA: Wyoming Vicinity of Hoback Canyon L. O. Williams & T. P. Williams 739 1932-6-25
GH: 02348757 Erigeron glabellus Nuttall USA: Wyoming Clarks Fork of the Yellowstone River near mo... L. O. Williams & T. P. Williams 3682 1937-7-26
GH: 02348750 Erigeron glabellus Nuttall USA: Wyoming Gros Ventre River Bottom L. O. Williams & T. P. Williams 691 1932-6-23
GH: 02353066 Erigeron glacialis (Nuttall) A. Nelson USA: Wyoming Beartooth Lake, Shoshone National Forest L. O. Williams & T. P. Williams 3670 1937-7-23
GH: 02353056 Erigeron glacialis (Nuttall) A. Nelson USA: Wyoming slope of Bald Mountains; T.56 N. R.91 W L. O. Williams & T. P. Williams 3245 1936-7-5
GH: 02353055 Erigeron glacialis (Nuttall) A. Nelson USA: Wyoming head of the North Fork of the Powder River L. O. Williams & T. P. Williams 3130 1936-6-26
GH: 02353231 Erigeron grandiflorus Hooker USA: Wyoming Bald Mountains; T.56 N. R.91 W. L. O. Williams & T. P. Williams 3057 1936-6-19
GH: 02353204 Erigeron grandiflorus Hooker USA: Montana [data not captured] L. O. Williams & T. P. Williams 3710 1937-7-27
GH: 02352178 Erigeron ochroleucus Nuttall USA: Wyoming near Medicine Mountains L. O. Williams & T. P. Williams 1936-6-20
GH: 02352172 Erigeron ochroleucus Nuttall USA: Wyoming summit of Medicine Mountain; T.56 N. R.92 W. L. O. Williams & T. P. Williams 1936-7-3
GH: 02351605 Erigeron speciosus de Candolle USA: Wyoming Shell Creek Canyon near Brindle Creek L. O. Williams & T. P. Williams 3338 1936-7-27
GH: 02351601 Erigeron speciosus de Candolle USA: Wyoming along Granite Creek, Shells Creek Canyon L. O. Williams & T. P. Williams 3290 1936-7-8
GH: 02351595 Erigeron speciosus de Candolle USA: Wyoming below Beartooth Lake, Shoshone National Fore... L. O. Williams & T. P. Williams 3710 1937-8-2
GH: 02204657 Heterotheca villosa minor (Hooker) Semple USA: Montana [data not captured] L. O. Williams & T. P. Williams 3722 1937-7-27
GH: 01835434 Lygodesmia juncea D. Don USA: Wyoming Big Horn Mountains; Tensleep Creek Canyon L. O. Williams & T. P. Williams 3165 1936-6-29
Berberidaceae A: 02169614 Mahonia repens (Lindley) G. Don USA: Wyoming Squaw Creek, Tensleep Creek Canyon L. O. Williams & T. P. Williams 3158 1936-6-29
A: 02169604 Mahonia repens (Lindley) G. Don USA: Wyoming Crazy Woman Creek, Shoshone National Forest L. O. Williams & T. P. Williams 3566 1937-7-16
GH: 02169603 Mahonia repens (Lindley) G. Don USA: Wyoming Squaw Creek, Tensleep Creek Canyon L. O. Williams & T. P. Williams 3158 1936-6-29
Betulaceae GH: 02195395 Betula glandulosa Michaux USA: Wyoming Banks of South Tongue River near the mouth o... L. O. Williams & T. P. Williams 3088 1936-6-24
A: 02195401 Betula glandulosa hallii (Howell) C. L. Hitchcock USA: Wyoming Gilbert Creek, Shoshone National Forest L. O. Williams & T. P. Williams 3545 1937-7-14
GH: 02194536 Betula occidentalis Hooker USA: Wyoming near Granite creek, Shell Creek Canyon L. O. Williams & T. P. Williams 1936-7-27
Boraginaceae GH: 01957969 Cryptantha ambigua (A. Gray) Greene USA: Montana Rock Creek Canyon, Custer National Forest L. O. Williams & T. P. Williams 3718 1937-7-27
GH: 02026757 Eritrichium nanum elongatum (Rydberg) Cronquist USA: Wyoming Beartooth Butte, Shoshone National Forest L. O. Williams & T. P. Williams 3647 1937-7-22
GH: 02026758 Eritrichium nanum elongatum (Rydberg) Cronquist USA: Wyoming summit of Bald Mountain L. O. Williams & T. P. Williams 3053 1936-6-19
GH: 02026881 Greeneocharis circumscissa (Hooker & Arnott) Rydberg USA: Wyoming 20 miles southeast of Pinedale L. O. Williams & T. P. Williams 3002 1936-6-14
GH: 02027735 Hackelia patens (Nuttall) I. M. Johnston USA: Utah Cold Water Canyon L. O. Williams & T. P. Williams 636 1932-6-15
GH: 02027785 Hackelia patens (Nuttall) I. M. Johnston USA: Wyoming Lake Creek, Shoshone National Forest L. O. Williams & T. P. Williams 3569 1937-7-16
GH: 02027786 Hackelia patens (Nuttall) I. M. Johnston USA: Wyoming Lake Creek, Shoshone National Forest L. O. Williams & T. P. Williams 3569 1937-7-16
GH: 01995353 Lappula redowskii (Hornemann) Greene USA: Wyoming 17 miles east of Point of Rocks L. O. Williams & T. P. Williams 3000 1936-6-14
GH: 01995394 Lappula squarrosa (Retzius) Dumortier USA: Wyoming Vicinity of Hoback Canyon L. O. Williams & T. P. Williams 703 1932-6-24
GH: 01997230 Lithospermum ruderale Douglas ex Lehmann USA: Wyoming Shell Creek Canyon near the mouth of Antelop... L. O. Williams & T. P. Williams 3197 1936-7-1
GH: 01997189 Lithospermum ruderale Douglas ex Lehmann USA: Wyoming Crazy Woman Creek, Shoshone National Forest L. O. Williams & T. P. Williams 3507 1937-7-12
GH: 01997482 Mertensia alpina (Torrey) G. Don USA: Wyoming near Frozen Lake, Shoshone National Forest L. O. Williams & T. P. Williams 3577 1937-7-16
GH: 01997469 Mertensia alpina (Torrey) G. Don USA: Wyoming Mt. Washburn, Yellowstone National Park. L. O. Williams & T. P. Williams 3317 1936-7-14
GH: 01997572 Mertensia brevistyla S. Watson USA: Utah canyon above Fort Douglas L. O. Williams & T. P. Williams 2146 1935-5-26
GH: 01997850 Mertensia ciliata (James) G. Don USA: Wyoming Black Rock Meadows in moist places L. O. Williams & T. P. Williams 1600 1934-6-11
GH: 01997848 Mertensia ciliata (James) G. Don USA: Wyoming near the mouth of Big Willow Creek L. O. Williams & T. P. Williams 3209 1936-7-2
GH: 01997847 Mertensia ciliata (James) G. Don USA: Wyoming Beartooth Lake, Shoshone National Forest L. O. Williams & T. P. Williams 3735 1937-8-1
GH: 02058036 Mertensia lanceolata (Pursh) de Candolle USA: Colorado Mouth of Bit Tompson Canyon L. O. Williams & T. P. Williams 2131 1935-5-22
GH: 02058028 Mertensia lanceolata (Pursh) de Candolle USA: Colorado Dala Creek L. O. Williams & T. P. Williams 2132 1935-5-22
GH: 02058055 Mertensia lanceolata (Pursh) de Candolle USA: Colorado North fork of Cache La Poudre River at base ... L. O. Williams & T. P. Williams 2114 1935-5-21
GH: 02058049 Mertensia lanceolata (Pursh) de Candolle USA: Colorado Big Thompson Canyon near the mouth L. O. Williams & T. P. Williams 2133 1935-5-22
GH: 02058251 Mertensia lanceolata nivalis (S. Watson) L. C. Higgins USA: Wyoming Beartooth Butte, Shoshone National Forest L. O. Williams & T. P. Williams 3656 1937-7-22
GH: 02058896 Mertensia oblongifolia nevadensis (A. Nelson) L. O. Williams USA: Wyoming Hoback Canyon L. O. Williams & T. P. Williams 3004 1936-6-14
GH: 02058895 Mertensia oblongifolia nevadensis (A. Nelson) L. O. Williams USA: Wyoming Bryan Flats. L. O. Williams & T. P. Williams 1071 1933-4-30
GH: 02058893 Mertensia oblongifolia nevadensis (A. Nelson) L. O. Williams USA: Wyoming about 5 miles north of Kemmerer L. O. Williams & T. P. Williams 2155 1935-5-28
GH: 02058892 Mertensia oblongifolia nevadensis (A. Nelson) L. O. Williams USA: Wyoming in Hoback Canyon near the "East Rim" L. O. Williams & T. P. Williams 2156 1935-5-29
GH: 02058891 Mertensia oblongifolia nevadensis (A. Nelson) L. O. Williams USA: Wyoming in the Hoback Canyon just below V-V Ranch. L. O. Williams & T. P. Williams 2160 1935-5-29
GH: 02058890 Mertensia oblongifolia nevadensis (A. Nelson) L. O. Williams USA: Wyoming 3 miles east of Evanston L. O. Williams & T. P. Williams 2142 1935-5-24
GH: 02058886 Mertensia oblongifolia nevadensis (A. Nelson) L. O. Williams USA: Wyoming near mouth of Hoback River L. O. Williams & T. P. Williams 2166 1935-6-3
GH: 02058876 Mertensia oblongifolia nevadensis (A. Nelson) L. O. Williams USA: Utah near summit of Logan Canyon Pass L. O. Williams & T. P. Williams 2151 1935-5-28
GH: 02058871 Mertensia oblongifolia nevadensis (A. Nelson) L. O. Williams USA: Utah Spring Hollow, about 5 miles up Logan Canyon... L. O. Williams & T. P. Williams 2150 1935-5-27
GH: 02058709 Mertensia oblongifolia amoena (A. Nelson) L. O. Williams USA: Wyoming Clay Butte, Shoshone National Forest L. O. Williams & T. P. Williams 3562 1937-7-16
GH: 02058705 Mertensia oblongifolia amoena (A. Nelson) L. O. Williams USA: Utah small canyon about 3 mi. east of Laketown, (... L. O. Williams & T. P. Williams 2152 1935-5-28
GH: 02058704 Mertensia oblongifolia amoena (A. Nelson) L. O. Williams USA: Utah small canyon about 3 mi. east of Laketown, (... L. O. Williams & T. P. Williams 2152 1935-5-28
GH: 01872841 Myosotis alpestris asiatica Vestergren ex Hultén USA: Wyoming Beartooth Butte, Shoshone National Forest L. O. Williams & T. P. Williams 3640 1937-7-22
GH: 01872845 Myosotis alpestris asiatica Vestergren ex Hultén USA: Wyoming near Bald Mountain. T.56 N. R.91 W L. O. Williams & T. P. Williams 3040 1936-6-19
GH: 02060655 Oreocarya glomerata (Pursh) Greene USA: Wyoming Shell Creek Canyon near Brindle Creek L. O. Williams & T. P. Williams 3172 1936-6-29
GH: 02143485 Plagiobothrys scouleri penicillatus (Greene) Cronquist USA: Wyoming West slopes of the mountains, 10-15 miles ea... L. O. Williams & T. P. Williams 3068 1936-6-22
Brassicaceae GH: 00018732 Arabis microphylla Nuttall USA: Wyoming Granitic hillsides, Porcupine Creek, near Me... L. O. Williams & T. P. Williams 3264 1936-7-6
GH: 00018732 Arabis microphylla saximontana Rollins USA: Wyoming Granitic hillsides, Porcupine Creek, near Me... L. O. Williams & T. P. Williams 3264 1936-7-6
GH: 00974411 Arabis nuttallii B. L. Robinson USA: Montana Rock Creek Canyon, Custer National Forest L. O. Williams & T. P. Williams 3590 1937-7-18
GH: 00932670 Boechera holboelii pendulocarpa (A. Nelson) N. Snow USA: Wyoming Gilbert Creek, Shoshone National Forest L. O. Williams & T. P. Williams 3544 1937-7-14
GH: 00946239 Boechera lemmonii (S. Watson) W. A. Weber USA: Wyoming Beartooth Butte, Shoshone National Forest L. O. Williams & T. P. Williams 3760 1937-8-6
GH: 00946661 Boechera nuttallii (Kuntze) Dorn USA: Wyoming Porcupine Creek near Medicine Mt. L. O. Williams & T. P. Williams 3346 1936-7-6
GH: 00948173 Boechera retrofracta (Graham) A. Löve & D. Löve USA: Wyoming Snake River bottom, 6 miles west of Jackson L. O. Williams & T. P. Williams 3008 (in part) 1936-6-15
GH: 00948181 Boechera retrofracta (Graham) A. Löve & D. Löve USA: Wyoming Snake River bottom. 6 miles west of Jackson L. O. Williams & T. P. Williams 3008a 1936-6-15
GH: 00948182 Boechera retrofracta (Graham) A. Löve & D. Löve USA: Wyoming west slope of the mountains, 10-15 miles eas... L. O. Williams & T. P. Williams 3013 1936-6-19
GH: 00948193 Boechera retrofracta (Graham) A. Löve & D. Löve USA: Wyoming Clarks Fork of the Yellowstone River near mo... L. O. Williams & T. P. Williams 3683 1937-7-26
GH: 00948243 Boechera retrofracta (Graham) A. Löve & D. Löve USA: Wyoming W slope of Big Horn Mts., 15 miles E of Kane L. O. Williams & T. P. Williams 3013 1936-6-19
GH: 00948244 Boechera retrofracta (Graham) A. Löve & D. Löve USA: Wyoming Snake River bottom, 6 miles west of Jackson L. O. Williams & T. P. Williams 3008a 1936-6-15
GH: 00018732 Boechera saximontana (Rollins) Windham & Al-Shehbaz USA: Wyoming Granitic hillsides, Porcupine Creek, near Me... L. O. Williams & T. P. Williams 3264 1936-7-6
GH: 00944068 Boechera stricta (Graham) Al-Shehbaz USA: Wyoming Beartooth Lake, Shoshone National Forest L. O. Williams & T. P. Williams 3632 1937-7-20
GH: 00944094 Boechera stricta (Graham) Al-Shehbaz USA: Wyoming north slope of Medicine Mountain L. O. Williams & T. P. Williams 3249 1936-7-5
GH: 00944116 Boechera stricta (Graham) Al-Shehbaz USA: Wyoming Beartooth Butte, Shoshone National Forest L. O. Williams & T. P. Williams 3646a 1937-7-22
GH: 01098794 Cardamine breweri S. Watson USA: Wyoming Vicinity of Hoback Canyon. Ina Spring, Bryan... L. O. Williams & T. P. Williams 655 1932-6-19
GH: 00986474 Descurainia incisa (Engelmann) Britton USA: Wyoming Hey Gulch, about 10 miles west of Buffalo. T... L. O. Williams & T. P. Williams 3311 1936-7-10
GH: 01084904 Draba albertina Greene USA: Wyoming Beartooth Lake, Shoshone National Forest L. O. Williams & T. P. Williams 3629 1937-7-20
GH: 01084912 Draba albertina Greene USA: Wyoming West slopes of the mountains, 10-15 miles ea... L. O. Williams & T. P. Williams 3067 1936-6-22
GH: 01115693 Draba lonchocarpa Rydberg USA: Wyoming Medicine Mountain, T56N, R92W L. O. Williams & T. P. Williams 3223 1936-7-3
GH: 00971354 Draba oligosperma Hooker USA: Montana [data not captured] L. O. Williams & T. P. Williams 3611 1937-7-18
GH: 00971460 Draba oligosperma Hooker USA: Wyoming summit of Medicine Mountain, T56N, R92W L. O. Williams & T. P. Williams 3319 1936-7-23
GH: 00971502 Draba oligosperma Hooker USA: Wyoming head of South Paintrock Creek, T49N R87W L. O. Williams & T. P. Williams 3152 1936-6-28
GH: 00971503 Draba oligosperma Hooker USA: Wyoming summit of Bald Mountain, T56N, R91W L. O. Williams & T. P. Williams 3056 1936-6-19
GH: 00971571 Draba paysonii J. F. Macbride USA: Wyoming Shoshone National Forest L. O. Williams & T. P. Williams 3757 1937-8-6
GH: 00971677 Draba porsildii brevicula (Rollins) Rollins USA: Wyoming Beartooth Butte, Shoshone National Forest L. O. Williams & T. P. Williams 3649 1937-7-22
GH: 00971736 Draba praealta Greene USA: Wyoming Vicinity of Hoback Canyon L. O. Williams & T. P. Williams 729 1932-6-25
GH: 01538318 Erysimum capitatum argillosum (Greene) R. J. Davis USA: Montana [data not captured] L. O. Williams & T. P. Williams 3613 1937-7-18
GH: 01550863 Noccaea fendleri glauca (A. Nelson) Al-Shehbz & M. Koch USA: Wyoming Vicinity of Hoback Canyon L. O. Williams & T. P. Williams 646 1932-6-19
GH: 01550896 Noccaea parviflora (A. Nelson) Holub USA: Wyoming Banks of South Tongue River near the mouth o... L. O. Williams & T. P. Williams 3092 1936-6-24
GH: 01573070 Parrya rydbergii Botschantzev USA: Wyoming Beartooth Butte, Shoshone National Forest L. O. Williams & T. P. Williams 3641 1937-7-22
GH: 01575322 Physaria curvipes (A. Nelson) O'Kane & Al-Shehbaz USA: Wyoming Shell Creek Canyon near Brindle Creek L. O. Williams & T. P. Williams 3171 1936-6-19
GH: 01575408 Physaria didymocarpa (Hooker) A. Gray USA: Wyoming summit of Medicine Mountain. T.56N. R.92W L. O. Williams & T. P. Williams 3228 1936-7-3
GH: 01687657 Physaria montana (A. Gray) Greene USA: Wyoming Hoback Canon L. O. Williams & T. P. Williams 2158 1935-5-29
GH: 01691463 Physaria spatulata (Rydberg) Grady & O'Kane USA: Wyoming Medicine Mountain. T.56 N. R.92 W L. O. Williams & T. P. Williams 3222 1936-7-3
GH: 01716472 Smelowskia americana Rydberg USA: Wyoming Frozen Lake, Shoshone National Forest L. O. Williams & T. P. Williams 3584 1937-7-16
Bromeliaceae GH: 01818404 Tillandsia vicentina Standley Honduras: Francisco Morazán lower slopes of Mt. Uyuca along the Tatumbla... L. O. Williams & T. P. Williams 18955 1955-3-15
Campanulaceae GH: 01796540 Campanula rotundifolia Linnaeus USA: Wyoming Shell Creek Canyon near the mouth of Antelop... L. O. Williams & T. P. Williams 3193 1936-7-1
GH: 01796543 Campanula rotundifolia Linnaeus USA: Wyoming Gilbert Creek, Shoshone National Forest L. O. Williams & T. P. Williams 3541 1937-7-14
GH: 01796741 Campanula uniflora Linnaeus USA: Montana Knox's Point, Custer National Forest L. O. Williams & T. P. Williams 3604 1937-7-18
Caprifoliaceae A: 02184311 Sambucus racemosa melanocarpa (A. Gray) McMinn USA: Wyoming Beartooth Lake, Shoshone National Forest L. O. Williams & T. P. Williams 3675 1937-7-25
GH: 02184321 Sambucus racemosa melanocarpa (A. Gray) McMinn USA: Wyoming Vicinity of Hoback Canyon L. O. Williams & T. P. Williams 709 1932-6-24
A: 02036985 Symphoricarpos rivularis Suksdorf USA: Wyoming Clarks Fork of the Yellowstone River near mo... L. O. Williams & T. P. Williams 3699 1937-7-26
Caryophyllaceae GH: 01741283 Arenaria congesta Nuttall USA: Wyoming Vicinity of Hoback Canyon, Hillsides, Brody'... L. O. Williams & T. P. Williams 695 1932-6-23
GH: 01741287 Arenaria congesta Nuttall USA: Wyoming West Tensleep Creek, T.49N. R.86W. L. O. Williams & T. P. Williams 3142 1936-6-27
GH: 01741289 Arenaria congesta Nuttall USA: Wyoming Crazy Woman Creek, Shoshone National Forest L. O. Williams & T. P. Williams 3524 1937-7-12
GH: 01743018 Cerastium arvense Linnaeus USA: Wyoming Vicinity of Hoback Canyon L. O. Williams & T. P. Williams 648 1932-6-19
GH: 01743076 Cerastium arvense strictum Gaudin USA: Wyoming summit of Bald Mountain. T.56 N. R.91 W L. O. Williams & T. P. Williams 3052 1936-6-20
GH: 01743351 Cerastium beeringianum Chamisso & Schlechtendal USA: Montana Knox's Point, Rock Creek Canyon, Custer Nati... L. O. Williams & T. P. Williams 3709 1937-7-27
GH: 01713154 Minuartia obtusiloba (Rydberg) House USA: Wyoming Bald Mountain, T.56N. R.91W. L. O. Williams & T. P. Williams 3062 1936-6-19
GH: 01713155 Minuartia obtusiloba (Rydberg) House USA: Wyoming summit of Medicine Mountain, T.56N. R.92W. L. O. Williams & T. P. Williams 3220 1936-7-3
GH: 01713706 Minuartia rubella (Wahlenberg) Hiern USA: Wyoming Vicinity of Hoback Canyon L. O. Williams & T. P. Williams 718 1932-6-24
GH: 01714093 Moehringia lateriflora (Linnaeus) Fenzl USA: Wyoming Squaw Creek, Tensleep Creek Canyon L. O. Williams & T. P. Williams 3161 1936-6-19
GH: 01714098 Moehringia lateriflora (Linnaeus) Fenzl USA: Wyoming Vicinity of Hoback Canyon L. O. Williams & T. P. Williams 727 1932-6-25
GH: 01715888 Sagina saginoides (Linnaeus) H. Karsten USA: Wyoming Vicinity of Hoback Canyon L. O. Williams & T. P. Williams 735 1932-6-25
GH: 01752214 Silene drummondii striata (Rydberg) J. K. Morton USA: Wyoming Shell Creek near the mouth of Antelope Creek L. O. Williams & T. P. Williams 3189 1936-6-30
GH: 01752871 Silene menziesii Hooker USA: Wyoming Clarks of the Yellowstone River near mouth o... L. O. Williams & T. P. Williams 3686 1937-7-26
GH: 01752876 Silene menziesii Hooker USA: Wyoming Squaw Creek, Tensleep Creek Canyon L. O. Williams & T. P. Williams 3160 1936-6-29
GH: 01752919 Silene menziesii viscosa (Greene) C. L. Hitchcock & B. Maguire USA: Wyoming Vicinity of Hoback Canyon L. O. Williams & T. P. Williams 726 1932-6-25
GH: 01753077 Silene oregana S. Watson USA: Wyoming along Baby Wagon Creek. T.48N. R. 86W. L. O. Williams & T. P. Williams 3300 1936-7-9
GH: 01623331 Stellaria longipes Goldie USA: Wyoming Vicinity of Hoback Canyon L. O. Williams & T. P. Williams 707 1932-6-24
GH: 01623338 Stellaria longipes Goldie USA: Wyoming Beartooth Lake, Shoshone National Forest L. O. Williams & T. P. Williams 3626 1937-7-20
GH: 01624065 Stellaria ruscifolia Pallas ex Schlechtendal USA: Wyoming Beartooth Lake, Shoshone National Forest L. O. Williams & T. P. Williams 3627 1937-7-20
Cornaceae GH: 02019497 Cornus stolonifera Michaux USA: Wyoming Tensleep Creek Canyon L. O. Williams & T. P. Williams 3164 1936-6-29
Crassulaceae GH: 01991948 Sedum rhodanthum A. Gray USA: Wyoming Beartooth Lake, Shoshone National Forest L. O. Williams & T. P. Williams 1937-7-28
Cupressaceae A: 00549274 Juniperus communis Linnaeus USA: Wyoming Clarks Fork of the Yellowstone River near mo... L. O. Williams & T. P. Williams 3691 1937-7-26
A: 02104067 Juniperus communis Linnaeus USA: Wyoming Clarks Fork of the Yellowstone River near mo... L. O. Williams & T. P. Williams 3691 1937-7-26
A: 02105184 Juniperus horizontalis Moench USA: Montana [data not captured] L. O. Williams & T. P. Williams 3727 1937-7-27
A: 02105213 Juniperus horizontalis Moench USA: Wyoming Canyon side about 10 m. west of Buffalo L. O. Williams & T. P. Williams 3115 1936-6-25
GH: 02106430 Juniperus scopulorum Sargent USA: Wyoming Shell Creek Canyon near Brindle Creek L. O. Williams & T. P. Williams 3335 1936-6-27
Cyperaceae GH: 02393709 Carex canescens Linnaeus USA: Wyoming Shell Creek near the mouth of Antelope Creek L. O. Williams & T. P. Williams 3179 1936-6-30
GH: 02370433 Carex hoodii Boott USA: Wyoming Lake Creek, Shoshone National Forest L. O. Williams & T. P. Williams 3572 1937-7-16
GH: 02597175 Carex raynoldsii Dewey USA: Wyoming 10-15 miles east of Kane L. O. Williams & T. P. Williams 3034 1936-6-19
GH: 02289377 Carex rossii Boott USA: Wyoming slope of Bald Mountain; T56 N R91 W L. O. Williams & T. P. Williams 3246 1936-7-5
GH: 02370300 Carex vallicola Dewey USA: Wyoming Bank of West Tensleep Creek. T49N R86W L. O. Williams & T. P. Williams 3144 1936-6-27
Ericaceae A: 01536604 Arctostaphylos uva-ursi (Linnaeus) Sprengel USA: Wyoming Crazy Woman Creek, Shoshone National Forest L. O. Williams & T. P. Williams 3567 1937-7-16
GH: 01536614 Arctostaphylos uva-ursi (Linnaeus) Sprengel USA: Wyoming South Fork of Clear Creek L. O. Williams & T. P. Williams 3116 1936-6-26
A: 01594201 Kalmia microphylla (Hooker) A. Heller USA: Montana Custer National Forest, Knox's Point L. O. Williams & T. P. Williams 3603 1937-7-18
GH: 01719120 Moneses uniflora (Linnaeus) A. Gray USA: Wyoming Grand Teton National Park. Head of Bradley L... L. O. Williams & T. P. Williams 1050 1932-8-17
GH: 01720133 Orthilia secunda (Linnaeus) House USA: Wyoming South Clear Creek. T.50N.R84W L. O. Williams & T. P. Williams 3312 1936-7-9
A: 01683272 Phyllodoce empetriformis (Smith) D. Don USA: Wyoming Crane Lake, Shoshone National Forest L. O. Williams & T. P. Williams 3674 1937-7-25
A: 01683424 Phyllodoce glanduliflora (Hooker) Coville USA: Wyoming above Twin Lakes, Shoshone National Forest L. O. Williams & T. P. Williams 3704 1937-7-27
GH: 01684834 Pyrola asarifolia Michaux USA: Wyoming near Crazy Woman Creek, Shoshone National Fo... L. O. Williams & T. P. Williams 3547 1937-7-14
GH: 01761180 Pyrola chlorantha Swartz USA: Wyoming Crazy Woman Creek, Shoshone National Forest L. O. Williams & T. P. Williams 3514 1937-7-11
GH: 01763322 Rhododendron columbianum (Piper) Harmaja USA: Wyoming [data not captured] L. O. Williams & T. P. Williams 3066 1936-6-19
A: 01763329 Rhododendron columbianum (Piper) Harmaja USA: Wyoming [data not captured] L. O. Williams & T. P. Williams 3565 1937-7-15
Fabaceae GH: 02067508 Astragalus adsurgens robustior Hooker USA: Montana Rock Creek Canyon, Custer National Forest L. O. Williams & T. P. Williams 3721 1937-7-27
GH: 02067549 Astragalus adsurgens robustior Hooker USA: Wyoming near Sour Dough Creek. T.50 N. R.84 W L. O. Williams & T. P. Williams 3294 1936-7-9
GH: 02064299 Astragalus americanus (Hooker) M. E. Jones USA: Wyoming Shell Creek near the mouth of Antelope Creek L. O. Williams & T. P. Williams 3333 1936-7-26
GH: 02064340 Astragalus amphioxys A. Gray USA: Wyoming near Grouse Creek, Shell Creek Canyon. T.53 ... L. O. Williams & T. P. Williams 3288 1936-7-8
GH: 02044340 Astragalus eucosmus B. L. Robinson USA: Wyoming Shell Creek near the mouth of Antelope Creek L. O. Williams & T. P. Williams 3331 1936-7-26
GH: 02044341 Astragalus eucosmus B. L. Robinson USA: Wyoming Shell Creek near the mouth of Antelope Creek L. O. Williams & T. P. Williams 3182 1936-6-30
GH: 02044344 Astragalus eucosmus B. L. Robinson USA: Wyoming Vicinity of Hoback Canyon L. O. Williams & T. P. Williams 839 1932-7-11
GH: 02052163 Astragalus kentrophyta implexus (Canby) Barneby USA: Wyoming Powder River Pass L. O. Williams & T. P. Williams 3137 1936-6-27
GH: 02052164 Astragalus kentrophyta implexus (Canby) Barneby USA: Wyoming Beartooth Butte, Shoshone National Forest L. O. Williams & T. P. Williams 3643 1937-7-22
GH: 02049029 Astragalus miser hylophilus (Rydberg) Barneby USA: Wyoming Crazy Woman Creek, Shoshone National Forest L. O. Williams & T. P. Williams 3515 1937-7-11
GH: 02052987 Astragalus miser decumbens (Nuttall) Cronquist USA: Wyoming head of South Paintrock Creek. T.49 N. R.87 ... L. O. Williams & T. P. Williams 3145 1936-6-28
GH: 02052988 Astragalus miser decumbens (Nuttall) Cronquist USA: Wyoming Shell Creek near the mouth of Antelope Creek L. O. Williams & T. P. Williams 3184 1936-6-30
GH: 02052989 Astragalus miser decumbens (Nuttall) Cronquist USA: Wyoming 10-15 miles east of Kane L. O. Williams & T. P. Williams 3031 1936-6-19
GH: 02052991 Astragalus miser decumbens (Nuttall) Cronquist USA: Wyoming Vicinity of Hoback Canyon L. O. Williams & T. P. Williams 721 1932-6-24
GH: 01958215 Hedysarum boreale Nuttall USA: Wyoming Gilbert Creek, Shoshone National Forest L. O. Williams & T. P. Williams 3539 1937-7-14
GH: 01958477 Hedysarum sulphurescens Rydberg USA: Wyoming Beartooth Butte, Shoshone National Forest L. O. Williams & T. P. Williams 3767 1937-8-6
GH: 01958474 Hedysarum sulphurescens Rydberg USA: Wyoming Little Tongue River L. O. Williams & T. P. Williams 3112 1936-6-25
GH: 01689487 Lupinus arbustus Douglas USA: Wyoming near Clay Butte, Shoshone National Forest L. O. Williams & T. P. Williams 3564 1937-7-16
GH: 02085180 Lupinus argenteus Pursh USA: Wyoming near Gardiner Lake, Shoshone National Forest L. O. Williams & T. P. Williams 3602 1937-7-18
GH: 02085194 Lupinus argenteus Pursh USA: Wyoming Bald Mountain L. O. Williams & T. P. Williams 3049 1936-6-19
GH: 02085199 Lupinus argenteus Pursh USA: Wyoming south slope of Medicine Mountain L. O. Williams & T. P. Williams 3261 1936-7-6
GH: 02085201 Lupinus argenteus Pursh USA: Wyoming South Tongue River near the mouth of Marcum ... L. O. Williams & T. P. Williams 3101 1936-6-24
GH: 02085761 Lupinus caespitosus Nuttall ex Torrey & A. Gray USA: Wyoming South Tongue River near the mouth of Marcum ... L. O. Williams & T. P. Williams 3096 1936-6-24
GH: 02177684 Lupinus parviflorus Nuttall ex Hooker & Arnott USA: Wyoming Beartooth Lake. Shoshone National Forest L. O. Williams & T. P. Williams 3747 1937-8-2
GH: 02129254 Lupinus wyethii S. Watson USA: Wyoming west slopes of the mountains 10-15 miles eas... L. O. Williams & T. P. Williams 3023 1936-6-19
GH: 02129252 Lupinus wyethii S. Watson USA: Wyoming hillside; Crazy Woman Creek, Shoshone Nation... L. O. Williams & T. P. Williams 3503 1937-7-11
GH: 02130849 Oxytropis arctica koyukukensis (A. E. Porsild) Welsh USA: Montana [data not captured] L. O. Williams & T. P. Williams 3720 1937-7-27
GH: 02130847 Oxytropis arctica koyukukensis (A. E. Porsild) Welsh USA: Montana [data not captured] L. O. Williams & T. P. Williams 3600 1937-7-18
GH: 02130882 Oxytropis besseyi fallax Barneby USA: Wyoming near Five Springs Falls L. O. Williams & T. P. Williams 3314 1936-7-11
GH: 02132544 Oxytropis cusickii Greenman USA: Wyoming along the North Tongue River L. O. Williams & T. P. Williams 3082 1936-6-23
GH: 02132574 Oxytropis deflexa (Pallas) de Candolle USA: Wyoming Gilbert Creek, Shoshone National Forest L. O. Williams & T. P. Williams 3538 1937-7-14
GH: 02132798 Oxytropis lagopus Nuttall USA: Wyoming Gilbert Creek, Shoshone National Forest L. O. Williams & T. P. Williams 3537 1937-7-14
GH: 02132807 Oxytropis lagopus atropurpurea (Rydberg) Barneby USA: Wyoming near Sour Dough Creek. T.50 N. R.84 W. L. O. Williams & T. P. Williams 3296 1936-7-9
GH: 02131502 Oxytropis sericea Nuttall USA: Wyoming near Clay Butte. Shoshone National Forest L. O. Williams & T. P. Williams 3561 1937-7-16
GH: 02131496 Oxytropis sericea Nuttall USA: Wyoming 10-15 miles east of Kane L. O. Williams & T. P. Williams 3073 1936-6-22
GH: 02131449 Oxytropis sericea Nuttall USA: Montana [data not captured] L. O. Williams & T. P. Williams 3708 1937-7-27
GH: 02343796 Trifolium parryi A. Gray USA: Wyoming Beartooth Lake, Shoshone National Forest L. O. Williams & T. P. Williams 3625 1937-7-20
GH: 02345322 Vicia americana minor Hooker USA: Wyoming Gros Ventre River bottom L. O. Williams & T. P. Williams 692 1932-6-23
Gentianaceae GH: 02069901 Frasera speciosa Douglas ex Grisebach USA: Wyoming Bald Mountain, T.56 N. R.91 W. L. O. Williams & T. P. Williams 3064 1936-6-19
GH: 02072093 Gentiana affinis Grisebach USA: Wyoming [no additional data] L. O. Williams & T. P. Williams 1045 1932-7-16
GH: 02072092 Gentiana affinis Grisebach USA: Wyoming North Tongue River near mouth of Hideout Cre... L. O. Williams & T. P. Williams 3328 1936-7-24
GH: 02072973 Gentiana prostrata Haenke USA: Wyoming Beartooth Butte, Shoshone National Forest L. O. Williams & T. P. Williams 3761 1937-8-6
GH: 01246122 Gentiana pumilio Standl. & Steyerm. Guatemala: Totonicapán Open slopes of Maria Tecum above Totonicapan L. O. Williams & T. P. Williams 18857 1953-5-19
GH: 02167594 Gentianella amarella acuta (Michaux) J. M. Gillett USA: Wyoming north Tongue River at mouth of Spring Creek L. O. Williams & T. P. Williams 3326 1936-7-23
GH: 02167577 Gentianella amarella acuta (Michaux) J. M. Gillett USA: Wyoming head of Beartooth Lake, Shoshone National Fo... L. O. Williams & T. P. Williams 3755 1937-8-6
GH: 02166264 Gentianopsis thermalis (Kuntze) Iltis USA: Wyoming Beartooth Lake, Shoshone National Forest L. O. Williams & T. P. Williams 3728 1937-7-28
Geraniaceae GH: 01864836 Geranium nervosum Rydberg USA: Wyoming below Beartooth Lake, Shoshone National Fore... L. O. Williams & T. P. Williams 1937-8-2
GH: 01864837 Geranium nervosum Rydberg USA: Wyoming near the mouth of Big Willow Creek L. O. Williams & T. P. Williams 1936-7-2
GH: 01866142 Geranium richardsonii Fischer & C. A. Meyer USA: Wyoming Crazy Woman Creek, Shoshone National Forest L. O. Williams & T. P. Williams 3512 1937-7-11
GH: 01866146 Geranium richardsonii Fischer & C. A. Meyer USA: Wyoming near the mouth of Big Willow Creek L. O. Williams & T. P. Williams 1936-7-2
Iridaceae GH: 01747559 Iris missouriensis pelogonus (Goodding) R. C. Foster USA: Wyoming West slopes of the mountains, 10-15 miles ea... L. O. Williams & T. P. Williams 3015 1936-6-19
GH: 01749485 Sisyrinchium idahoense E. P. Bicknell USA: Wyoming Vicinity of Hoback Canyon L. O. Williams & T. P. Williams 734 1932-6-25
Juncaceae GH: 02101484 Juncus confusus Coville USA: Wyoming South Tongue River near the mouth of Marcum ... L. O. Williams & T. P. Williams 3102 1936-6-24
GH: 02102202 Juncus drummondii E. Meyer USA: Wyoming beartooth Lake, Shosone National Forest L. O. Williams & T. P. Williams 3673 1937-7-23
GH: 02102201 Juncus drummondii E. Meyer USA: Wyoming Long Lake, Shoshone National Forest L. O. Williams & T. P. Williams 3754 1937-8-3
GH: 02401664 Juncus hallii Engelmann USA: Wyoming South Tongue River near the mouth of Marcum ... L. O. Williams & T. P. Williams 3100 1936-6-24
GH: 02401663 Juncus hallii Engelmann USA: Wyoming head of Marcum Creek, T.55 N., R. 88 W. L. O. Williams & T. P. Williams 3272 1936-7-7
GH: 02400696 Juncus mertensianus Bongard USA: Wyoming Shell Creek near the mouth of Antelope Creek L. O. Williams & T. P. Williams 3181 1936-6-30
GH: 02400816 Juncus nevadensis badius (Suksdorf) C. L. Hitchcock USA: Wyoming head of Marcum Creek; T. 55 N. R. 88 W. L. O. Williams & T. P. Williams 3271 1936-7-7
GH: 02117811 Luzula multiflora (Ehrhart) Lejeune USA: Wyoming Beartooth Lake, Shoshone National Forest L. O. Williams & T. P. Williams 3672 1937-7-23
GH: 02366450 Luzula parviflora (Ehrhart) Desvaux USA: Wyoming Beartooth Lake, Shoshone National Forest L. O. Williams & T. P. Williams 3631 1937-7-20
GH: 02366466 Luzula piperi M. E. Jones USA: Wyoming Shell Creek near the mouth of Antelope Creek L. O. Williams & T. P. Williams 3183 1936-6-30
GH: 02366792 Luzula spicata Linnaeus USA: Wyoming Beartooth Lake, Shosone National Forest L. O. Williams & T. P. Williams 3630 1937-7-20
GH: 02366782 Luzula spicata Linnaeus USA: Wyoming Porcupine Creek, T56 N, R91 W L. O. Williams & T. P. Williams 3251 1936-7-5
Lamiaceae GH: 01554590 Dracocephalum parviflorum Nuttall USA: Wyoming Granite Creek, Shell Creek Canyon L. O. Williams & T. P. Williams 3291 1936-7-8
GH: 01599136 Monarda fistulosa menthifolia (Graham) Fernald USA: Wyoming Little Tongue River Canyon L. O. Williams & T. P. Williams 3235 1936-7-4
Lentibulariaceae GH: 01974318 Pinguicula crenatiloba A. de Candolle Honduras: Comayagua Coconita Pass above Siguatepeque. L. O. Williams & T. P. Williams 18698 1952-12-27
Mimosaceae GH: 00977648 Mimosa tenuiflora Poiret Honduras: vicinity of San Antonio de Flores, Comayagua... L. O. Williams & T. P. Williams 18304 1951-9-29
Onagraceae GH: 01625009 Calylophus serrulatus (Nuttall) P. H. Raven USA: Wyoming Little Tongue River Canyon L. O. Williams & T. P. Williams 3234 1936-7-4
GH: 01675030 Camissonia subacaulis (Pursh) P. H. Raven USA: Wyoming Vicinity of Hoback Canyon L. O. Williams & T. P. Williams 658 1932-6-19
GH: 01674122 Chamerion platyphyllum (Daniels) A. Löve & D. Löve USA: Montana 3-5 miles east of Cooke City, Absaroka Natio... L. O. Williams & T. P. Williams 3781 1937-8-8
GH: 01671068 Epilobium ciliatum Rafinesque USA: Wyoming near Clarks Fork of the Yellowstone River ne... L. O. Williams & T. P. Williams 3684 1937-7-26
GH: 01776121 Epilobium hornemannii Reichenbach USA: Wyoming Beartooth Lake, Shoshone National Forest L. O. Williams & T. P. Williams 3620 1937-7-20
GH: 01776327 Epilobium lactiflorum Haussknecht USA: Wyoming head of the North Fork of the Powder River L. O. Williams & T. P. Williams 3124 1936-6-26
GH: 01778703 Gayophytum diffusum parviflorum F.H. Lewis & Szweyk. USA: Wyoming Clarks Fork of the Yellowstone River near mo... L. O. Williams & T. P. Williams 3690 1937-7-26
Ophioglossaceae GH: 02282908 Botrychium lunaria (Linnaeus) Swartz USA: Wyoming Beartooth Butte, Shoshone National Forest L. O. Williams & T. P. Williams 3667 1937-7-22
Orchidaceae GH: 02111878 Epidendrum rugosum Ames Costa Rica: Cartago Pan American Highway, about 25 km. S.W. of E... L. O. Williams & T. P. Williams 24446 1963-2-6
GH: 02096956 Liparis pauciflora Rolfe El Salvador: Morazán near the pass, Rancho Quemado, San Juancito ... L. O. Williams & T. P. Williams 18585 1952-8-24
GH: 02096956 Liparis pauliana Handel-Mazzetti El Salvador: Morazán near the pass, Rancho Quemado, San Juancito ... L. O. Williams & T. P. Williams 18585 1952-8-24
GH: 02152302 Pleurothallis platystylis Schlechter Honduras: Francisco Morazán San Juancito Mountains above San Juancito L. O. Williams & T. P. Williams 18943 1955-1-2
GH: 02154988 Scaphyglottis prolifera (R. Brown) Cogniaux Honduras: Cortés along N.E. Shore of Lake Yojoa L. O. Williams & T. P. Williams 18759 1952-12-30
Orobanchaceae GH: 01876585 Castilleja cusickii Greenman USA: Wyoming Beartooth Lake, Shoshone National Forest L. O. Williams & T. P. Williams 3617 1937-7-20
GH: 01876809 Castilleja flava S. Watson USA: Wyoming Vicinity of Hoback Canyon L. O. Williams & T. P. Williams 702 1932-6-24
GH: 01877556 Castilleja linariaefolia Bentham USA: Montana Rock Creek Canyon, Custer National Forest L. O. Williams & T. P. Williams 3597 1937-7-18
GH: 01877663 Castilleja linariaefolia Bentham USA: Wyoming Shell Creek Canyon near Brindle Creek L. O. Williams & T. P. Williams 3174 1936-6-29
GH: 01878706 Castilleja pilosa Rydberg USA: Wyoming Crazy Woman Creek, Shoshone National Forest L. O. Williams & T. P. Williams 3506 1937-7-11
GH: 01878759 Castilleja pulchella Rydberg USA: Wyoming Beartooth Butte, Shoshone National Forest L. O. Williams & T. P. Williams 3646 1937-7-22
GH: 01878758 Castilleja pulchella Rydberg USA: Wyoming Bald Mountain; T.56N. R.91 W. L. O. Williams & T. P. Williams 3060 1936-6-19
GH: 01878986 Castilleja rhexifolia Rydberg USA: Wyoming Crazy Woman Creek, Shoshone National Forest L. O. Williams & T. P. Williams 3558 1937-7-14
GH: 01879432 Castilleja sulphurea Rydberg USA: Wyoming Beartooth Butte, Shoshone National Forest L. O. Williams & T. P. Williams 3652 1937-7-22
GH: 02082377 Orobanche fasciculata Nuttall USA: Wyoming Lake Creek, Shoshone National Forest L. O. Williams & T. P. Williams 3568 1937-7-16
GH: 02081963 Pedicularis bracteosa Bentham USA: Wyoming Crazy Woman Lake, Crazy Woman Creek, Shoshon... L. O. Williams & T. P. Williams 3519 1937-7-12
GH: 02081954 Pedicularis bracteosa Bentham USA: Wyoming near Clay Butte, Shoshone National Forest L. O. Williams & T. P. Williams 3563 1937-7-16
GH: 02080489 Pedicularis contorta ctenophora (Rydberg) A. Nelson & J. F. Macbride USA: Wyoming head of South Paintrock Creek; T.49 N. R.87 ... L. O. Williams & T. P. Williams 3155 1936-6-28
GH: 02080488 Pedicularis contorta ctenophora (Rydberg) A. Nelson & J. F. Macbride USA: Wyoming Dry south slope of Medicine Mountain L. O. Williams & T. P. Williams 3259 1936-7-6
GH: 02080537 Pedicularis cystopteridifolia Rydberg USA: Wyoming Bald Mountain; T.56 N. R.91 W. L. O. Williams & T. P. Williams 3059 1936-7-20
GH: 02080536 Pedicularis cystopteridifolia Rydberg USA: Wyoming Mt. Washburn, Yellowstone National Park L. O. Williams & T. P. Williams 3316 1936-7-14
GH: 02080535 Pedicularis cystopteridifolia Rydberg USA: Wyoming near Gardiner Lake, Shoshone National Forest L. O. Williams & T. P. Williams 3601 1937-7-18
GH: 02080532 Pedicularis cystopteridifolia Rydberg USA: Wyoming head of South Paintrock Creek; T.49 N. R.87 ... L. O. Williams & T. P. Williams 3156 1936-6-28
GH: 02080912 Pedicularis groenlandica Retzius USA: Wyoming Beartooth Lake, Shoshone National Forest L. O. Williams & T. P. Williams 3621 1937-7-20
GH: 02080905 Pedicularis groenlandica Retzius USA: Wyoming Shell Creek near the mouth of Antelope Creek L. O. Williams & T. P. Williams 3178 1936-6-30
GH: 02079734 Pedicularis oederi Vahl USA: Wyoming near Frozen Lake, Shoshone National Forest L. O. Williams & T. P. Williams 3581 1937-7-16
GH: 02079843 Pedicularis parryi A. Gray USA: Wyoming Canyon Creek near Powder River Pass L. O. Williams & T. P. Williams 3132 1936-6-27
GH: 02079839 Pedicularis parryi A. Gray USA: Wyoming South Tongue River near the mouth of Marcum ... L. O. Williams & T. P. Williams 3103 1936-6-24
Papaveraceae GH: 01738383 Corydalis aurea Willdenow USA: Montana Rock Creek Canyon, Custer National Forest L. O. Williams & T. P. Williams 3714 1937-7-27
Parnassiaceae GH: 01855474 Parnassia fimbriata K. D. Koenig USA: Wyoming Shell Creek near the mouth of Antelope Creek L. O. Williams & T. P. Williams 1936-6-30
Pinaceae GH: 00396591 Picea engelmannii Parry ex Engelmann USA: Wyoming head of the North Fork of the Powder River L. O. Williams & T. P. Williams 3139 1936-6-26
A: 00398229 Pinus contorta latifolia Engelmann USA: Wyoming Beartooth Lake, Shoshone National Forest L. O. Williams & T. P. Williams 3737 1937-8-1
GH: 00398611 Pinus edulis Engelmann USA: Colorado Owl Canyon L. O. Williams & T. P. Williams 2116 1935-5-20
Plantaginaceae GH: 00466483 Besseya wyomingensis (A. Nelson) Rydberg USA: Wyoming along the North Tongue River L. O. Williams & T. P. Williams 3081 1936-6-23
GH: 00466489 Besseya wyomingensis (A. Nelson) Rydberg USA: Wyoming Beartooth Butte, Shoshone National Forest L. O. Williams & T. P. Williams 3653 1937-7-22
GH: 02002210 Penstemon arenicola A. Nelson USA: Wyoming 5 miles southeast of Eden L. O. Williams & T. P. Williams 3001 1936-6-14
GH: 02002225 Penstemon aridus Rydberg USA: Wyoming west side of the mountains, 10-15 miles east... L. O. Williams & T. P. Williams 3010 1936-6-19
GH: 02002224 Penstemon aridus Rydberg USA: Wyoming hillside near Medicine Mountain L. O. Williams & T. P. Williams 3037 1936-6-20
GH: 02002223 Penstemon aridus Rydberg USA: Wyoming head of South Paintrock Creek; T.49 N. R.87 ... L. O. Williams & T. P. Williams 3150 1936-6-28
GH: 02002425 Penstemon attenuatus pseudoprocerus (Rydberg) Cronquist USA: Wyoming Vicinity of Hoback Canyon; Camp Creek, Brody... L. O. Williams & T. P. Williams 700 1932-6-23
GH: 02118177 Penstemon caryi Pennell USA: Wyoming south slope of Medicine Mountain L. O. Williams & T. P. Williams 3258 1936-7-6
GH: 02118176 Penstemon caryi Pennell USA: Wyoming west slope of the mountains, 10-15 miles eas... L. O. Williams & T. P. Williams 3011 1936-6-19
GH: 02118273 Penstemon cleburnei M. E. Jones USA: Montana [data not captured] L. O. Williams & T. P. Williams 3609 1937-7-18
GH: 02118624 Penstemon cyananthus Hooker USA: Utah Cold Water Canyon L. O. Williams & T. P. Williams 634 1932-6-15
GH: 02118675 Penstemon cyaneus Pennell USA: Wyoming Crazy Woman Creek, Shoshone National Forest L. O. Williams & T. P. Williams 3521 1937-7-12
A: 02119616 Penstemon fruticosus (Pursh) Greene USA: Wyoming near Clay Butte, Shoshone National Forest L. O. Williams & T. P. Williams 3559 1937-7-16
GH: 02119768 Penstemon glaber Pursh USA: Wyoming west slope of the mountains, 10-15 miles eas... L. O. Williams & T. P. Williams 3009 1936-6-19
GH: 02120499 Penstemon humilis Nuttall ex A. Gray USA: Wyoming Cros Ventre River bottom L. O. Williams & T. P. Williams 693 1932-6-23
GH: 02120788 Penstemon laricifolius Hooker & Arnott USA: Wyoming Shell Creek Canyon near Brindle Creek L. O. Williams & T. P. Williams 3169 1936-6-29
GH: 02121073 Penstemon montanus Greene USA: Wyoming Vicinity of Hoback Canyon L. O. Williams & T. P. Williams 722 1932-6-24
GH: 02121072 Penstemon montanus Greene USA: Wyoming Beartooth Butte, Shoshone National Forest L. O. Williams & T. P. Williams 3756 1937-8-6
GH: 02121218 Penstemon nitidus Douglas ex Bentham USA: Wyoming Little Tongue River Canyon L. O. Williams & T. P. Williams 3113 1936-6-25
GH: 02121881 Penstemon procerus Douglas ex Graham USA: Wyoming Crazy Woman Creek, Shoshone National Forest L. O. Williams & T. P. Williams 3504 1937-7-11
GH: 02121880 Penstemon procerus Douglas ex Graham USA: Wyoming Vicinity of Hoback Canyon; Bryan Flats. L. O. Williams & T. P. Williams 701 1932-6-23
GH: 02121910 Penstemon procerus Douglas ex Graham USA: Wyoming West slopes of the mountains, 10-15 miles ea... L. O. Williams & T. P. Williams 3069 1936-6-23
GH: 02121908 Penstemon procerus Douglas ex Graham USA: Wyoming head of South Paintrock Creek; T.49 N. R.87 ... L. O. Williams & T. P. Williams 3153 1936-6-28
GH: 02122073 Penstemon radicosus A. Nelson USA: Wyoming Vicinity of Hoback Canyon; Bryan Flats L. O. Williams & T. P. Williams 710 1932-6-24
GH: 02122329 Penstemon rydbergii A. Nelson USA: Wyoming Vicinity of Hoback Canyon; Bryan Flats. L. O. Williams & T. P. Williams 742 1932-6-26
GH: 02122856 Penstemon subglaber Rydberg USA: Wyoming Gros Ventre River bottom L. O. Williams & T. P. Williams 694 1932-6-23
GH: 01804736 Veronica alpina geminiflora Fernald USA: Wyoming Crazy Woman Creek, Shoshone National Forest L. O. Williams & T. P. Williams 3556 1937-7-14
GH: 01811990 Veronica serpyllifolia humifusa (Dickson) Syme USA: Wyoming Crazy Woman Creek, Shoshone National Forest L. O. Williams & T. P. Williams 3557 1937-7-14
GH: 01811986 Veronica serpyllifolia humifusa (Dickson) Syme USA: Wyoming head of the North Fork of the Powder River L. O. Williams & T. P. Williams 3127 1936-6-26
GH: 01811983 Veronica serpyllifolia humifusa (Dickson) Syme USA: Wyoming South Tongue River near the mouth of Marcum ... L. O. Williams & T. P. Williams 3093a 1936-6-24
GH: 01812475 Veronica wormskjoldii Roemer & Schultes USA: Wyoming head of the North Fork of the Powder River L. O. Williams & T. P. Williams 3128 1936-6-26
GH: 01812579 Veronica wormskjoldii nutans (Bongard) Pennell USA: Wyoming Banks of South Tongue River near the mouth o... L. O. Williams & T. P. Williams 3093 1936-6-24
Polemoniaceae GH: 01092539 Collomia linearis Nuttall USA: Wyoming Shell Creek Canyon near the mouth of Antelop... L. O. Williams & T. P. Williams 3192 1936-7-1
GH: 01092540 Collomia linearis Nuttall USA: Wyoming Crazy Woman Creek, Shoshone National Forest L. O. Williams & T. P. Williams 3516 1937-7-11
GH: 01104400 Ipomopsis spicata orchidacea (Brand) Wilken & R. L. Hartman USA: Wyoming West slope of the mountains, 10-15 miles eas... L. O. Williams & T. P. Williams 3070 1936-6-22
GH: 01574320 Phlox hoodii Richardson USA: Wyoming Bald Mountain, T.56 N. R.91 W L. O. Williams & T. P. Williams 3051 1936-6-19
GH: 01574512 Phlox longifolia calva Wherry USA: Wyoming Vicinity of Hoback Canyon, Bryan Flats L. O. Williams & T. P. Williams 644 1932-6-19
GH: 01574730 Phlox multiflora A. Nelson USA: Wyoming West Tensleep Creek. T.49 N. R.86 W L. O. Williams & T. P. Williams 3143 1936-6-27
GH: 01574742 Phlox multiflora A. Nelson USA: Wyoming West slope of the mountains, 10-15 miles eas... L. O. Williams & T. P. Williams 3022 1936-6-19
GH: 01686558 Phlox pulvinata (Wherry) Cronquist USA: Wyoming Frozen Lake, Shoshone National Forest L. O. Williams & T. P. Williams 3580 1937-7-16
GH: 01694225 Polemonium brandegeei (A. Gray) Greene USA: Wyoming head of South Paintrock Creek. T.49 N. R.87 ... L. O. Williams & T. P. Williams 3148 1936-6-28
GH: 01717082 Polemonium viscosum Nuttall USA: Wyoming Vicinity of Hoback Canyon L. O. Williams & T. P. Williams 706 1932-6-24
GH: 01717091 Polemonium viscosum Nuttall USA: Wyoming Beartooth Butte, Shoshone National Forest L. O. Williams & T. P. Williams 3759 1937-8-6
GH: 00091624 Polemonium viscosum leucanthum L. O. Williams USA: Wyoming Vicinity of Hoback Canyon, rock slides, 7500... L. O. Williams & T. P. Williams 705 1932-6-24
Polygonaceae GH: 02365041 Bistorta vivipara (Linnaeus) Gray USA: Montana [data not captured] L. O. Williams & T. P. Williams 3707 1937-7-27
GH: 01652568 Eriogonum flavum Nuttall USA: Wyoming Hey Gulch, about 10 miles west of Buffalo. T... L. O. Williams & T. P. Williams 3310 1936-7-10
GH: 01652634 Eriogonum flavum piperi (Greene) M. E. Jones USA: Montana [data not captured] L. O. Williams & T. P. Williams 3779 1937-8-8
GH: 01652572 Eriogonum flavum polyphyllum (Small ex Rydberg) M. E. Jones USA: Wyoming Medicine Mountain. T.56 N. R.92 W. L. O. Williams & T. P. Williams 3323 1936-7-3
GH: 01986511 Eriogonum ovalifolium Nuttall USA: Montana [data not captured] L. O. Williams & T. P. Williams 3599 1937-7-18
GH: 01986627 Eriogonum ovalifolium Nuttall USA: Wyoming 10-15 miles east of Kane L. O. Williams & T. P. Williams 3071 1936-6-22
GH: 02043732 Eriogonum umbellatum majus Bentham USA: Wyoming Vicinity of Hoback Canyon, Brody's ranch L. O. Williams & T. P. Williams 698 1932-6-23
GH: 02043740 Eriogonum umbellatum majus Bentham USA: Wyoming Crazy Woman Creek, Shoshone National Forest L. O. Williams & T. P. Williams 3509 1937-7-11
GH: 02364061 Oxyria digyna (Linnaeus) Hill USA: Wyoming Beartooth Butte, Shoshone National Forest L. O. Williams & T. P. Williams 3648 1937-7-22
GH: 02364052 Oxyria digyna (Linnaeus) Hill USA: Wyoming hillside and summit of Medicine Mountain; T.... L. O. Williams & T. P. Williams 3225 1936-7-3
GH: 02346480 Polygonum bistortoides Pursh USA: Wyoming along the North Tongue River L. O. Williams & T. P. Williams 3083 1936-6-23
GH: 02346478 Polygonum bistortoides Pursh USA: Wyoming Beartooth Lake, Shoshone National Forest L. O. Williams & T. P. Williams 3624 1937-7-20
GH: 02346444 Polygonum bistortoides Pursh USA: Utah Logan Canyon L. O. Williams & T. P. Williams 643 1932-6-16
Portulacaceae GH: 01858820 Claytonia lanceolata Pursh USA: Wyoming Grand Teton National Park. Hidden Falls L. O. Williams & T. P. Williams 664 1932-6-21
GH: 01858824 Claytonia lanceolata Pursh USA: Wyoming head of Porcupine Creek, Bald Mountain. T.56... L. O. Williams & T. P. Williams 3048 1936-6-19
GH: 01859932 Lewisia triphylla (S. Watson) B. L. Robinson USA: Wyoming Grand Teton National Park L. O. Williams & T. P. Williams 666 1932-6-21
Primulaceae GH: 01942819 Androsace septentrionalis subumbellata A. Nelson USA: Wyoming Beartooth Lake, Shoshone National Forest L. O. Williams & T. P. Williams 3575 1937-7-16
GH: 01922890 Douglasia montana A. Gray USA: Wyoming summit of Bald Mountain T.56 N. R.91 W. L. O. Williams & T. P. Williams 3054
Ranunculaceae GH: 01706172 Actaea rubra (Aiton) Willdenow USA: Wyoming West slope of the mountains, 10-15 miles eas... L. O. Williams & T. P. Williams 3029 1936-6
GH: 01706173 Actaea rubra (Aiton) Willdenow USA: Wyoming Grand Teton National Park. Jenny Lake Canyon L. O. Williams & T. P. Williams 672 1932-6-21
GH: 01707003 Anemone multifida Poiret USA: Wyoming Gilbert Creek, Shoshone National Forest L. O. Williams & T. P. Williams 3536 1937-7-14
GH: 01707217 Anemone multifida Poiret USA: Wyoming Vicinity of Hoback Canyon L. O. Williams & T. P. Williams 724 1932-6-25
GH: 01708504 Anemone multifida Poiret USA: Wyoming Beartooth Butte, Shoshone National Forest L. O. Williams & T. P. Williams 3644 1937-7-22
GH: 01707345 Anemone multifida saxicola Boivin USA: Wyoming along the North Tongue River L. O. Williams & T. P. Williams 3085 1936-6-23
GH: 01708174 Anemone patens multifida Pritzel USA: Wyoming along the North Tongue River L. O. Williams & T. P. Williams 3086 1936-6-23
GH: 01709520 Aquilegia flavescens S. Watson USA: Wyoming Crazy Woman Creek, Shoshone National Forest L. O. Williams & T. P. Williams 3553 1937-7-14
GH: 01709521 Aquilegia flavescens S. Watson USA: Wyoming Continental Divide, between Old Faithful and... L. O. Williams & T. P. Williams 3315 1936-7-14
GH: 01709743 Aquilegia jonesii Parry USA: Wyoming Medicine Mountain L. O. Williams & T. P. Williams 3219 1936-7-3
GH: 01710160 Caltha leptosepala de Candolle USA: Wyoming near Frozen Lake, Shoshone National Forest L. O. Williams & T. P. Williams 3582 1937-7-16
GH: 01710163 Caltha leptosepala de Candolle USA: Wyoming head of Porcupine Creek, Bald Mountain, T.56... L. O. Williams & T. P. Williams 3047 1936-6-19
GH: 01656316 Clematis columbiana (Nuttall) Torrey & A. Gray USA: Wyoming Medicine Mountain. T.56 N. R.92 W L. O. Williams & T. P. Williams 3218 1936-7-3
GH: 01656317 Clematis columbiana (Nuttall) Torrey & A. Gray USA: Wyoming Grand Teton National Park. Jenny Lake Canyon L. O. Williams & T. P. Williams 676 1932-6-21
GH: 01656326 Clematis columbiana (Nuttall) Torrey & A. Gray USA: Wyoming Clarks Fork of the Yellowstone River near mo... L. O. Williams & T. P. Williams 3698 1937-7-26
GH: 01658403 Delphinium bicolor Nuttall USA: Wyoming Grand Teton National Park L. O. Williams & T. P. Williams 661 1932-6-21
GH: 01658404 Delphinium bicolor Nuttall USA: Wyoming Vicinity of Hoback Canyon L. O. Williams & T. P. Williams 651 1932-6-19
GH: 01658411 Delphinium bicolor Nuttall USA: Wyoming Beartooth Butte, Shoshone National Forest L. O. Williams & T. P. Williams 3658 1937-7-22
GH: 01658413 Delphinium bicolor Nuttall USA: Wyoming 10-15 miles east of Kane L. O. Williams & T. P. Williams 3074 1936-6-22
GH: 01659669 Delphinium occidentale (S. Watson) S. Watson USA: Wyoming below Beartooth Lake, Shoshone National Fore... L. O. Williams & T. P. Williams 3746 1937-8-2
GH: 01663630 Ranunculus eschscholtzii Schlechtendal USA: Wyoming near Frozen Lake, Shoshone National Forest L. O. Williams & T. P. Williams 3579 1937-7-16
GH: 01663654 Ranunculus eschscholtzii eximius (Greene) L. D. Benson USA: Wyoming near Frozen Lake, Shoshone National Forest L. O. Williams & T. P. Williams 3578 1937-7-16
GH: 01663655 Ranunculus eschscholtzii eximius (Greene) L. D. Benson USA: Wyoming Bald Mountain. T.56 N. R.91 W L. O. Williams & T. P. Williams 3043 1936-6-19
GH: 01664159 Ranunculus flammula Linnaeus USA: Wyoming Crazy Lake, Crazy Woman Creek, Shoshone Nati... L. O. Williams & T. P. Williams 3520 1937-7-11
GH: 01665524 Ranunculus inamoenus Greene USA: Wyoming South Tongue River near the mouth of Marcum ... L. O. Williams & T. P. Williams 3091 1936-6-24
GH: 01838420 Ranunculus uncinatus D. Don USA: Wyoming South Tongue River near the mouth of Marcum ... L. O. Williams & T. P. Williams 3240 1936-7-4
GH: 01839256 Thalictrum occidentale palouense H. St. John USA: Wyoming Vicinity of Hoback Canyon. Bryan Flats Stati... L. O. Williams & T. P. Williams 652 1932-6-19
GH: 01839258 Thalictrum occidentale palouense H. St. John USA: Wyoming near Crazy Woman Creek, Shoshone National Fo... L. O. Williams & T. P. Williams 3552 1937-7-14
GH: 01839260 Thalictrum occidentale palouense H. St. John USA: Wyoming Beartooth Lake, Shoshone National Forest L. O. Williams & T. P. Williams 3639 1937-7-21
GH: 01839262 Thalictrum occidentale palouense H. St. John USA: Wyoming West slopes of the mountains, 10-15 miles ea... L. O. Williams & T. P. Williams 3028 1936-6-19
GH: 01839634 Thalictrum sparsiflorum saximontanum Boivin USA: Wyoming Shell Creek near the mouth of Antelope Creek L. O. Williams & T. P. Williams 3186 1936-6-30
GH: 01840256 Trollius albiflorus (A. Gray) Rydberg USA: Wyoming Beartooth Lake, Shoshone National Forest L. O. Williams & T. P. Williams 3622 1937-7-20
GH: 01840257 Trollius albiflorus (A. Gray) Rydberg USA: Wyoming head of Porcupine Creek, Bald Mountain. T.56... L. O. Williams & T. P. Williams 3046 1936-6-19
Rosaceae GH: 01726645 Amelanchier alnifolia (Nuttall) Nuttall ex M. Roemer USA: Wyoming Little Tongue River Canyon L. O. Williams & T. P. Williams 3305 1936-7-4
GH: 01608169 Dasiphora fruticosa (Linnaeus) Rydberg USA: Wyoming South Tongue River near the mouth of Marcum ... L. O. Williams & T. P. Williams 3239 1936-7-4
A: 01608170 Dasiphora fruticosa (Linnaeus) Rydberg USA: Wyoming along Clark's fork of the Yellowstone River,... L. O. Williams & T. P. Williams 3740 1937-8-2
GH: 01608386 Drymocallis convallaria (Rydberg) Rydberg USA: Wyoming Vicinity of Hoback Canyon. Brody's Ranch L. O. Williams & T. P. Williams 699 1932-6-23
GH: 01609918 Drymocallis convallaria (Rydberg) Rydberg USA: Wyoming Gilbert Creek, Shoshone National Forest L. O. Williams & T. P. Williams 3543 1937-7-14
GH: 01608837 Fragaria sp. USA: Wyoming Tensleep Creek Canyon L. O. Williams & T. P. Williams 3163 1936-6-29
GH: 01606512 Fragaria vesca americana (Porter) Staudt USA: Wyoming Grand Teton National Park L. O. Williams & T. P. Williams 681 1932-6-21
GH: 01606513 Fragaria vesca americana (Porter) Staudt USA: Wyoming Crazy Woman Creek, Shoshone National Forest L. O. Williams & T. P. Williams 3505 1937-7-11
GH: 01609803 Geum macrophyllum Willdenow USA: Wyoming near Crazy Woman Creek, Shoshone National Fo... L. O. Williams & T. P. Williams 3548 1937-7-14
GH: 01609808 Geum macrophyllum Willdenow USA: Wyoming South Tongue River near the mouth of Marcum ... L. O. Williams & T. P. Williams 3238 1936-7-4
GH: 01610297 Geum rossii turbinatum (Rydberg) C. L. Hitchcock USA: Wyoming near Frozen Lake, Shoshone National Forest L. O. Williams & T. P. Williams 3583 1937-7-16
GH: 01610430 Geum triflorum Pursh USA: Wyoming Crazy Woman Creek, Shoshone National Forest L. O. Williams & T. P. Williams 3502 1937-7-11
GH: 01610436 Geum triflorum Pursh USA: Wyoming Vicinity of Hoback Canyon, Bryan Flats L. O. Williams & T. P. Williams 650 1932-6-19
GH: 01610441 Geum triflorum Pursh USA: Wyoming Bald Mountain. T.56N. R.91 W. L. O. Williams & T. P. Williams 3041 1936-6-19
GH: 01566046 Ivesia gordonii (Hooker) Torrey & A. Gray USA: Wyoming near Tensleep Creek L. O. Williams & T. P. Williams 3301 1936-7-9
GH: 01590504 Physocarpus malvaceus (Greene) Kuntze USA: Wyoming Vicinity of Hoback Canyon L. O. Williams & T. P. Williams 706 1932-6-24
A: 01590589 Physocarpus monogynus (Torrey) J. M. Coulter USA: Wyoming Little Tongue River Canyon L. O. Williams & T. P. Williams 3308 1936-7-10
GH: 01590594 Physocarpus monogynus (Torrey) J. M. Coulter USA: Wyoming Little Tongue River Canyon L. O. Williams & T. P. Williams 3308 1936-7-4
GH: 01567780 Potentilla glaucophylla Lehmann USA: Wyoming Beartooth Lake, Shoshone National Forest L. O. Williams & T. P. Williams 3574 1937-7-16
GH: 01568191 Potentilla gracilis fastigiata (Nuttall) S. Watson USA: Wyoming Vicinity of Hoback Canyon, Bryan Flats L. O. Williams & T. P. Williams 654 1932-6-19
GH: 01568192 Potentilla gracilis fastigiata (Nuttall) S. Watson USA: Wyoming Meadow along the North Tongue River L. O. Williams & T. P. Williams 3084 1936-6-23
GH: 01568199 Potentilla gracilis fastigiata (Nuttall) S. Watson USA: Wyoming Shell Creek near the mouth of Antelope Creek L. O. Williams & T. P. Williams 3190 1936-6-30
GH: 01569092 Potentilla nivea subquinata Lange USA: Wyoming Vicinity of Hoback Canyon L. O. Williams & T. P. Williams 704 1932-6-24
GH: 01569627 Potentilla ovina decurrens (S. Watson) S. L. Welsh & B. C. Johnston USA: Wyoming Bald Mountain, T.56 N. R.91 W L. O. Williams & T. P. Williams 3061 1936-6-19
GH: 01569831 Potentilla pensylvanica Linnaeus USA: Wyoming near Clay Butte, Shoshone National Forest L. O. Williams & T. P. Williams 3560 1937-7-16
A: 01705091 Prunus americana Marshall USA: Colorado 20 miles south of the Wyo-Color. line L. O. Williams & T. P. Williams 2115 1935-5-20
A: 01725910 Prunus virginiana demissa (Nuttall) Torrey USA: Wyoming Little Tongue River Canyon L. O. Williams & T. P. Williams 3307 1936-7-10
GH: 01725911 Prunus virginiana demissa (Nuttall) Torrey USA: Wyoming Little Tongue River Canyon L. O. Williams & T. P. Williams 3307 1936-7-4
GH: 01556684 Purshia tridentata (Pursh) de Candolle USA: Wyoming Vicinity of Hoback Canyon L. O. Williams & T. P. Williams 737 1932-6-25
GH: 01559750 Rosa nutkana C. Presl USA: Utah Cold Water Canyon L. O. Williams & T. P. Williams 635 1932-6-15
A: 01602022 Rosa sp. USA: Wyoming Crazy Woman Creek, Shoshone National Forest L. O. Williams & T. P. Williams 3523 1937-7-12
GH: 01704828 Sibbaldia procumbens Linnaeus USA: Wyoming Bald Mountain, T.56 N. R.91 W L. O. Williams & T. P. Williams 3243 1936-7-5
GH: 01704838 Sibbaldia procumbens Linnaeus USA: Wyoming near Frozen Lake, Shoshone National Forest L. O. Williams & T. P. Williams 3585 1937-7-16
GH: 01589356 Spiraea betulifolia lucida (Douglas ex Hooker) C. L. Hitchcock USA: Wyoming South Tongue River near the mouth of Marcum ... L. O. Williams & T. P. Williams 3242 1936-7-4
A: 01589357 Spiraea betulifolia lucida (Douglas ex Hooker) C. L. Hitchcock USA: Wyoming Clarks Fork of the Yellowstone River near mo... L. O. Williams & T. P. Williams 3689 1937-7-26
GH: 01589486 Spiraea densiflora Nuttall ex Torrey & A. Gray USA: Wyoming above Crane Lake, Shoshone National Forest L. O. Williams & T. P. Williams 3733 1937-7-31
A: 01589489 Spiraea densiflora Nuttall ex Torrey & A. Gray USA: Wyoming above Crane Lake, Shoshone National Forest L. O. Williams & T. P. Williams 3733 1937-7-31
Rubiaceae GH: 02359216 Galium aparine spurium (Linnaeus) Hartman USA: Utah Cold Water Canyon L. O. Williams & T. P. Williams 637 1932-6-15
GH: 02359336 Galium boreale Linnaeus USA: Montana [data not captured] L. O. Williams & T. P. Williams 3591 1937-7-18
GH: 02359489 Galium boreale Linnaeus USA: Wyoming Little Tongue River Canyon L. O. Williams & T. P. Williams 3114 1936-6-25
Santalaceae GH: 01932992 Comandra umbellata pallida (A. de Candolle) Piehl USA: Wyoming Shell Creek Canyon near hte mouth of Antelop... L. O. Williams & T. P. Williams 3195 1936-7-1
Saxifragaceae GH: 01733403 Boykinia jamesii (Torrey) Engler USA: Wyoming summit of Medicine Mountain. T.56 N. R.92 W L. O. Williams & T. P. Williams 3320 1936-7-23
GH: 01735604 Heuchera parvifolia Nuttall ex Torrey & A. Gray USA: Wyoming head of South Paintrock Creek. T.49 N. R.87 ... L. O. Williams & T. P. Williams 3147 1936-6-28
GH: 01735917 Heuchera saxicola E. E. Nelson USA: Wyoming South Tongue River near the mouth of Marcum ... L. O. Williams & T. P. Williams 3106 1936-6-24
GH: 01735919 Heuchera saxicola E. E. Nelson USA: Wyoming Crazy Woman Creek, Shoshone National Forest L. O. Williams & T. P. Williams 3530 1937-7-12
GH: 01711958 Micranthes nelsoniana (D. Don) Small USA: Wyoming Beartooth Lake, Shoshone National Forest L. O. Williams & T. P. Williams 3619 1937-7-20
GH: 01712468 Micranthes rhomboidea (Greene) Small USA: Wyoming Beartooth Butte, Shoshone National Forest L. O. Williams & T. P. Williams 3645 1937-7-22
GH: 01712469 Micranthes rhomboidea (Greene) Small USA: Wyoming Bald Mountain. T.56 N. R.91 W L. O. Williams & T. P. Williams 3039 1936-6-19
GH: 01712540 Micranthes subapetala (E. E. Nelson) Small USA: Wyoming Bald Mountain, T.56 N. R.91 W L. O. Williams & T. P. Williams 3045 1936-6-19
GH: 01616440 Mitella pentandra Hooker USA: Wyoming head of the North Fork of the Powder River L. O. Williams & T. P. Williams 3131 1936-6-26
GH: 01616446 Mitella pentandra Hooker USA: Wyoming Beartooth Lake, Shoshone National Forest L. O. Williams & T. P. Williams 3637 1937-7-21
GH: 01616503 Mitella stauropetala Piper USA: Wyoming Vicinity of Hoback Canyon, South side of Can... L. O. Williams & T. P. Williams 729 1932-6-25
GH: 01886406 Ribes inerme Rydberg USA: Wyoming Vicinity of Hoback Canyon L. O. Williams & T. P. Williams 712 1932-6-24
A: 01886787 Ribes lacustre Poiret USA: Wyoming 10-15 miles east of Kane L. O. Williams & T. P. Williams 3033 1936-6-19
A: 01886791 Ribes lacustre Poiret USA: Wyoming 15 miles east of Kane L. O. Williams & T. P. Williams 3033 1936-6-19
GH: 01886794 Ribes lacustre Poiret USA: Wyoming Vicinity of Hoback Canyon L. O. Williams & T. P. Williams 645 1932-6-19
GH: 01886797 Ribes lacustre Poiret USA: Wyoming 10-15 miles east of Kane L. O. Williams & T. P. Williams 3033 1936-6-19
GH: 01619033 Saxifraga arguta D. Don USA: Wyoming Beartooth Lake, Shoshone National Forest L. O. Williams & T. P. Williams 3636 1937-7-21
GH: 01619042 Saxifraga arguta D. Don USA: Wyoming Shell Creek near the mouth of Antelope Creek L. O. Williams & T. P. Williams 3185 1936-6-30
GH: 01619315 Saxifraga bronchialis austromontana (Wiegand) M. Peck USA: Wyoming Crazy Woman Creek, Shoshone National Forest L. O. Williams & T. P. Williams 3531 1937-7-12
GH: 01621784 Saxifraga oppositifolia Linnaeus USA: Wyoming Beartooth Butte, Shoshone National Forest L. O. Williams & T. P. Williams 3642 1937-7-22
GH: 01631252 Saxifraga saximontana E. E. Nelson USA: Wyoming Grand Teton National Park. Jenny Lake Canyon L. O. Williams & T. P. Williams 660 1932-6-21
Scrophulariaceae GH: 01841986 Erythranthe guttata (de Candolle) G. L. Nesom USA: Wyoming Whedon Spring, Forth Tongue R. Canyon L. O. Williams & T. P. Williams 3213 1936-7-2
Selaginellaceae GH: 02075271 Selaginella densa Rydberg USA: Colorado Dale Creek, northern Larimer Co. L. O. Williams & T. P. Williams 2126 1935-5-21
Solanaceae GH: 00987749 Capsicum annuum glabriusculum (Dunal) Heiser & Pickersgill Honduras: Comayagua in vicinity of San Antonio de Flores, Comaya... L. O. Williams & T. P. Williams 1951-9-29
Violaceae GH: 02144874 Viola adunca Smith USA: Wyoming Vicinity of Hoback Canyon L. O. Williams & T. P. Williams 732 1932-6-25
GH: 02144872 Viola adunca Smith USA: Wyoming Beartooth Lake, Shoshone National Forest L. O. Williams & T. P. Williams 3628 1937-7-20
GH: 02144858 Viola adunca Smith USA: Wyoming along the North Tongue River L. O. Williams & T. P. Williams 3080 1936-6-23
GH: 02145904 Viola canadensis Linnaeus USA: Wyoming Vicinity of Hoback Canyon L. O. Williams & T. P. Williams 731 1932-6-25
GH: 02147817 Viola macloskeyi F. E. Lloyd USA: Wyoming Beartooth Lake, Shoshone National Forest L. O. Williams & T. P. Williams 3635 1937-7-21
GH: 02208781 Viola praemorsa linguifolia (Nuttall) M. S. Baker USA: Wyoming West slopes of the mountains, 10-15 miles ea... L. O. Williams & T. P. Williams 3077 1936-6-22
