Aceraceae GH: 01870859 Acer glabrum Torrey USA: Montana Bridger Mts. P. A. Rydberg & E. A. Bessey 4521 1897-6-12
Apiaceae GH: 00077086 Musineon vaginatum Rydberg USA: Montana Bridger Mountains, 7000 feet P. A. Rydberg & E. A. Bessey 4626 1897-6-15
Apocynaceae GH: 02179414 Apocynum androsaemifolium Linnaeus USA: Montana Spanish Basin P. A. Rydberg & E. A. Bessey 4701 1897-6-23
Asteraceae GH: 02140950 Agoseris aurantiaca aurantiaca USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 5290 1897-7-7
GH: 02141328 Agoseris glauca dasycephala (Torr. & A. Gray) Jepson USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 5278 1897-7-14
GH: 00000856 Antennaria anaphaloides Rydberg USA: Montana Spanish Basin, elev. 6500 ft. P. A. Rydberg & E. A. Bessey 5170 1897-6-28
GH: 00000963 Antennaria oxyphylla Greene USA: Montana Spanish Basin, 6500 ft P. A. Rydberg & E. A. Bessey 5148 1897-6-28
GH: 01003682 Artemisia arbuscula thermopola Beetle USA: Montana Upper Geyser Basin, Yellowstone Park P. A. Rydberg & E. A. Bessey 5203 1897-8-8
GH: 00968523 Artemisia cana Pursh USA: Wyoming Yellowstone Lake, Yellowstone Park P. A. Rydberg & E. A. Bessey 5200 1897-8-12
GH: 00988946 Artemisia ludoviciana incompta (Nuttall) D. D. Keck USA: Montana Mountains near Indian Creek P. A. Rydberg & E. A. Bessey 5207 1897-7-21
GH: 00988945 Artemisia ludoviciana incompta (Nuttall) D. D. Keck USA: Montana Emigrant Gulch P. A. Rydberg & E. A. Bessey 5206 1897-8-23
GH: 01234053 Artemisia michauxiana Besser USA: Montana Electric Peak P. A. Rydberg & E. A. Bessey 5209 1897-8-18
GH: 01234420 Artemisia scopulorum A. Gray USA: Montana Electric Peak P. A. Rydberg & E. A. Bessey 5212 1897-8-18
GH: 01234877 Artemisia tridentata Nuttall USA: Wyoming Yellowstone Falls. Yellowstone Park P. A. Rydberg & E. A. Bessey 5202 1897-8-14
GH: 02216464 Chrysothamnus viscidiflorus (Hooker) Nuttall USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 5044a 1897-7-27
GH: 02021164 Cirsium kelseyi (Rydberg) Petrak USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 5217 1897-7-26
GH: 02142322 Crepis acuminata Nuttall USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 5301 1897-6-24
GH: 02142458 Crepis atribarba originalis (Babcock & Stebbins) Babcock & Stebbins USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 5304 1897-7-14
GH: 02142711 Crepis occidentalis Nuttall USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 5306 1897-6-14
GH: 02203608 Dieteria canescens (Pursh) Nuttall USA: Wyoming Yellowstone Lake P. A. Rydberg & E. A. Bessey 5109 1897-8-13
GH: 02207017 Ericameria nauseosa speciosa (Nuttall) G. L. Nesom & G. I. Baird USA: Wyoming Electric Peak P. A. Rydberg & E. A. Bessey 5044 1897-8-20
GH: 02207175 Ericameria suffruticosa (Nuttall) G. L. Nesom USA: Idaho [data not captured] P. A. Rydberg & E. A. Bessey 5046 1897-7-27
GH: 02206365 Erigeron compositus Pursh USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 5089 1897-6-15
GH: 02206633 Erigeron corymbosus Nuttall USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 5081 1897-7-15
GH: 02206632 Erigeron corymbosus Nuttall USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 5080 1897-7-6
GH: 02348727 Erigeron glabellus Nuttall USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 5097 1897-6-24
GH: 02348965 Erigeron glacialis (Nuttall) A. Nelson USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 5104 1897-8-18
GH: 02353202 Erigeron grandiflorus Hooker USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 5106 1897-7-22
GH: 02352117 Erigeron nivalis Nuttall USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 5074 1897-6-28
GH: 02352158 Erigeron ochroleucus Nuttall USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 5072 1897-6-12
GH: 02351486 Erigeron speciosus de Candolle USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 5100 1897-7-26
GH: 02351477 Erigeron speciosus de Candolle USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 5099 1897-7-21
GH: 00008295 Gnaphalium lagopodioides Rydberg USA: Wyoming Lower Geyser Basin, Yellowstone National Par... P. A. Rydberg & E. A. Bessey 5134 1897-8-4
GH: 00008309 Gnaphalium sulphurescens Rydberg USA: Wyoming LOwer Geyser Basin, Yellowstone Park P. A. Rydberg & E. A. Bessey 5135 1897-8-4
GH: 02204659 Heterotheca villosa minor (Hooker) Semple USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 5069 1897-7-21
GH: 02204670 Heterotheca villosa minor (Hooker) Semple USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 5070 1897-6-24
GH: 01831519 Hieracium cynoglossoides Arvet-Touvet USA: Idaho [data not captured] P. A. Rydberg & E. A. Bessey 5309 1897-7-31
GH: 00009258 Hulsea carnosa Rydberg USA: Montana Mountains near Indian Creek P. A. Rydberg & E. A. Bessey 5194 1897-7-22
GH: 01835044 Lactuca tatarica (Linnaeus) C. A. Meyer USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 5274 1897-7-8
Bartramiaceae FH: 00824887 Philonotis fontana (Hedwig) Bridel USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 1897-6
FH: 00824888 Philonotis fontana (Hedwig) Bridel USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 1897-6
Betulaceae GH: 02198857 Alnus incana tenuifolia (Nuttall) Breitung USA: Montana Spanish Basin P. A. Rydberg & E. A. Bessey 3931 1897-6-23
GH: 02196417 Alnus viridis sinuata (Regel) Á. Löve & D. Löve USA: Montana Emigrant Gulch P. A. Rydberg & E. A. Bessey 3933 1897-8-23
GH: 02194354 Betula occidentalis Hooker USA: Montana Mountains near Indian Creek P. A. Rydberg & E. A. Bessey 3928 1897-7-21
Boraginaceae GH: 01117825 Cryptantha affinis (A. Gray) Greene USA: Montana Upper Madison Canon, Yellowstone Park P. A. Rydberg & E. A. Bessey 4884 1897-8-3
GH: 01957970 Cryptantha ambigua (A. Gray) Greene USA: Montana Spanish Basin P. A. Rydberg & E. A. Bessey 4886 1897-6-23
GH: 01957972 Cryptantha ambigua (A. Gray) Greene USA: Montana Bridger Mountains P. A. Rydberg & E. A. Bessey 4889 1897-6-11
GH: 01957973 Cryptantha ambigua (A. Gray) Greene USA: Montana Spanish Basin P. A. Rydberg & E. A. Bessey 4887 1897-6-24
GH: 01117825 Cryptantha confusa P. A. Rydberg USA: Montana Upper Madison Canon, Yellowstone Park P. A. Rydberg & E. A. Bessey 4884 1897-8-3
GH: 00097268 Hackelia diffusa coerulescens (Rydberg) I. M. Johnston USA: Montana Bridger Mountains, 7000 ft P. A. Rydberg & E. A. Bessey 4898 1897-6-18
GH: 00097268 Lappula coerulescens Rydberg USA: Montana Bridger Mountains, 7000 ft P. A. Rydberg & E. A. Bessey 4898 1897-6-18
GH: 00062097 Mertensia alpina (Torrey) G. Don USA: Montana Old Hollowtop, near Pony P. A. Rydberg & E. A. Bessey 4867 1897-7
GH: 00062054 Mertensia intermedia Rydberg USA: Montana Bridger Mountains, 7000 feet P. A. Rydberg & E. A. Bessey 4873 1897-6-18
GH: 00444867 Mertensia intermedia Rydberg USA: Montana Bridger Mts., 7000 ft P. A. Rydberg & E. A. Bessey 4874 1897-6-17
GH: 00062054 Mertensia oblongifolia nevadensis (A. Nelson) L. O. Williams USA: Montana Bridger Mountains, 7000 feet P. A. Rydberg & E. A. Bessey 4873 1897-6-18
GH: 00062097 Mertensia tweedyi Rydberg USA: Montana Old Hollowtop, near Pony P. A. Rydberg & E. A. Bessey 4867 1897-7
GH: 02143295 Plagiobothrys scouleri penicillatus (Greene) Cronquist USA: Wyoming Yellowstone Lake P. A. Rydberg & E. A. Bessey 4881 1897-8-12
Brassicaceae GH: 00960608 Arabis hirsuta pycnocarpa (M. Hopkins) Rollins USA: Montana Jack Creek Cañon P. A. Rydberg & E. A. Bessey 4211 1897-7-16
GH: 00946145 Boechera lemmonii (S. Watson) W. A. Weber USA: Montana Bridger Mountains P. A. Rydberg & E. A. Bessey 4223 1897-6-15
GH: 00946632 Boechera nuttallii (Kuntze) Dorn USA: Montana Bridger Mountains P. A. Rydberg & E. A. Bessey 4230 1897-6-15
GH: 00960921 Boechera retrofracta (Graham) A. Löve & D. Löve USA: Montana Near Pony P. A. Rydberg & E. A. Bessey 4227 1897-7-6
GH: 00948917 Boechera stricta (Graham) Al-Shehbaz USA: Montana Bridger Mountains P. A. Rydberg & E. A. Bessey 4209 1897-7-14
GH: 00944101 Boechera stricta (Graham) Al-Shehbaz USA: Wyoming East of De Lacy's Creek, Yellowstone Park P. A. Rydberg & E. A. Bessey 4210 1897-8-10
GH: 01097933 Camelina microcarpa Andrzejowski ex de Candolle USA: Montana Near Pony P. A. Rydberg & E. A. Bessey 4172 1897-7-6
GH: 00983900 Cardamine oligosperma Nuttall USA: Montana Spanish Basin P. A. Rydberg & E. A. Bessey 4163 1897-7-1
GH: 01084141 Descurainia pinnata intermedia (Rydberg) Detling USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 4197 1897-7-6
GH: 01084143 Descurainia pinnata intermedia (Rydberg) Detling USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 4200 1897-6-11
GH: 00019008 Draba crassifolia dasycarpa O. E. Schulz USA: Montana Old Hollowtop, near Pony P. A. Rydberg & E. A. Bessey 4189 1897-7-9
GH: 01115787 Draba nemorosa Linnaeus USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 4192 1897-6-11
GH: 00971340 Draba oligosperma Hooker USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 4184 1897-6-9
GH: 00971347 Draba oligosperma Hooker USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 4181 1897-6-15
GH: 00971349 Draba oligosperma Hooker USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 4180 1897-6-15
GH: 00971565 Draba paysonii J. F. Macbride USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 4173 1897-6-15
GH: 01561902 Erysimum capitatum (Douglas ex Hooker) Greene USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 4232 1897-6-11
GH: 01548314 Lepidium densiflorum macrocarpum G. A. Mulligan USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 4140 1897-6-24
GH: 01548315 Lepidium densiflorum macrocarpum G. A. Mulligan USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 4141 1897-7-6
Bryaceae FH: 00843116 Leptobryum pyriforme (Hedwig) Wilson USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 1897-7
Campanulaceae GH: 01796412 Campanula rotundifolia Linnaeus USA: Montana Jack Creek Cañon P. A. Rydberg & E. A. Bessey 4996 1897-7-14
Caryophyllaceae GH: 01741341 Arenaria congesta subcongesta S. Watson USA: Montana Bridger Mountains P. A. Rydberg & E. A. Bessey 4054 1897-6-14
GH: 01742850 Cerastium arvense Linnaeus USA: Montana Spanish Basin P. A. Rydberg & E. A. Bessey 4017 1897-6-30
GH: 01743062 Cerastium arvense strictum Gaudin USA: Montana Cedar Mountains P. A. Rydberg & E. A. Bessey 4023 1897-7-16
Chenopodiaceae GH: 01781515 Blitum nuttallianum Schultes USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 3950 1897-6-30
GH: 00037168 Chenopodium atrovirens Rydberg USA: Montana Electric Peak P. A. Rydberg & E. A. Bessey 3948 1897-8-18
GH: 01782499 Chenopodium fremontii S. Watson USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 3849 1897-7-10
Cornaceae GH: 01844622 Cornus canadensis Linnaeus USA: Montana Spanish Basin P. A. Rydberg & E. A. Bessey 4636 1897-6-28
GH: 02019222 Cornus stolonifera Michaux USA: Montana Bridger Mountains P. A. Rydberg & E. A. Bessey 4634 1897-6-14
Crassulaceae GH: 01990111 Rhodiola integrifolia Rafinesque USA: Montana Old Hollowtop, near Pony. P. A. Rydberg & E. A. Bessey 4248 1897-7-7
GH: 01991940 Sedum rhodanthum A. Gray USA: Montana Yellowstone Falls P. A. Rydberg & E. A. Bessey 4245 1897-8-13
GH: 01990111 Sedum rosea integrifolium (Rafinesque) Hultén USA: Montana Old Hollowtop, near Pony. P. A. Rydberg & E. A. Bessey 4248 1897-7-7
Cupressaceae GH: 02104267 Juniperus communis depressa Pursh USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 3543 1897-8-7
GH: 02106159 Juniperus scopulorum Sargent USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 3541 1897-6-24
Cyperaceae GH: 01773735 Carex utriculata Boott USA: Montana Spanish Basin. Yellowstone Park P. A. Rydberg & E. A. Bessey 3747 1897-7-1
GH: 01773736 Carex utriculata Boott USA: Montana Shoshone Lake. Yellowstone Park P. A. Rydberg & E. A. Bessey 3738 1897-8-10
GH: 01774891 Carex vesicaria Linnaeus USA: Wyoming [data not captured] P. A. Rydberg & E. A. Bessey 3739 1897-8-10
Ditrichaceae FH: 00515354 Ceratodon purpureus conicus (Hampe) Husnot USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 1897-6
Ericaceae GH: 01537269 Cassiope mertensiana gracilis Piper USA: Montana Old hollowtop, near Pony P. A. Rydberg & E. A. Bessey 4659 1897-7-7
GH: 01562370 Chimaphila umbellata occidentalis (Rydberg) S. F. Blake USA: Montana Emigrant Gulch. P. A. Rydberg & E. A. Bessey 4651 1897-8-23
GH: 01591917 Gaultheria humifusa (Graham) Rydberg USA: Wyoming East De Lacy's Creek, Yellowstone Park P. A. Rydberg & E. A. Bessey 4661 1897-8-10
GH: 01594196 Kalmia microphylla (Hooker) A. Heller USA: Montana Old Hollowtop, Near Pony P. A. Rydberg & E. A. Bessey 4654 1897-7-7
GH: 01683184 Phyllodoce empetriformis (Smith) D. Don USA: Montana Old Hollowtop, Near Pony P. A. Rydberg & E. A. Bessey 4655 1897-7-7
GH: 01683381 Phyllodoce glanduliflora (Hooker) Coville USA: Montana Old Hollowtop, Near Pony, Mont. P. A. Rydberg & E. A. Bessey 4658 1897-7-7
GH: 01683444 Phyllodoce intermedia Rydberg USA: Montana Old Hollowtop, Near Pony, Mont. P. A. Rydberg & E. A. Bessey 4656 1897-7-7
GH: 01684735 Pyrola asarifolia Michaux USA: Montana Jack Creek Canon. P. A. Rydberg & E. A. Bessey 4638 1897-7-14
GH: 01684736 Pyrola asarifolia Michaux USA: Montana Mountains near Indian Creek P. A. Rydberg & E. A. Bessey 4639 1897-7-21
GH: 01761901 Pyrola minor Linnaeus USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 4647 1897-7-21
GH: 01763255 Rhododendron columbianum (Piper) Harmaja USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 4652 1897-7-7
Fabaceae GH: 00058574 Aragallus alpicola Rydberg USA: Montana Old Hollowtop, near Pony, 9000 feet P. A. Rydberg & E. A. Bessey 4503 1897-7-9
GH: 00058577 Aragallus besseyi Rydberg USA: Montana Spanish Basin, 6500 feet P. A. Rydberg & E. A. Bessey 4501 1897-6-23
GH: 00058577 Aragallus blankinshippii A. Nelson USA: Montana Spanish Basin, 6500 feet P. A. Rydberg & E. A. Bessey 4501 1897-6-23
GH: 02067497 Astragalus adsurgens robustior Hooker USA: Montana Spanish Basin P. A. Rydberg & E. A. Bessey 4470 1897-6-23
GH: 02064109 Astragalus alpinus Linnaeus USA: Montana Spanish Basin P. A. Rydberg & E. A. Bessey 4478 1897-6-30
GH: 02064558 Astragalus australis glabriusculus (Hooker) Isely USA: Montana Cedar Mountain P. A. Rydberg & E. A. Bessey 4482 1897-7-16
GH: 02064686 Astragalus bisulcatus (Hooker) A. Gray USA: South Dakota Edgemont: [no additional data] P. A. Rydberg & E. A. Bessey 4484 1897-6-8
GH: 02047071 Astragalus canadensis Linnaeus USA: Montana Spanish Basin P. A. Rydberg & E. A. Bessey 4469 1897-6-23
GH: 02047215 Astragalus canadensis mortonii (Nuttall) S. Watson USA: Montana Jack Creek Cañon P. A. Rydberg & E. A. Bessey 4475 1897-7-19
GH: 02044121 Astragalus drummondii Douglas ex Hooker USA: Montana Spanish Basin P. A. Rydberg & E. A. Bessey 4476 1897-6-24
GH: 00058775 Astragalus hylophilus (Rydberg) A. Nelson USA: Montana Bridger Mountains P. A. Rydberg & E. A. Bessey 4490 1897-6-17
GH: 02052126 Astragalus kentrophyta implexus (Canby) Barneby USA: Montana Cedar Mountain P. A. Rydberg & E. A. Bessey 4487 1897-7-16
GH: 02052642 Astragalus leptaleus A. Gray USA: Montana Bridger Mountains P. A. Rydberg & E. A. Bessey 4486 1897-6-14
GH: 00058775 Astragalus miser hylophilus (Rydberg) Barneby USA: Montana Bridger Mountains P. A. Rydberg & E. A. Bessey 4490 1897-6-17
GH: 02049023 Astragalus miser hylophilus (Rydberg) Barneby USA: Montana Old Hollowtop, near Pony P. A. Rydberg & E. A. Bessey 4492 1897-7-7
GH: 00058775 Homalobus hylophilus Rydberg USA: Montana Bridger Mountains P. A. Rydberg & E. A. Bessey 4490 1897-6-17
GH: 00065629 Lupinus laxiflorus pseudoparviflorus (Rydberg) C. P. Smith & H. St. John USA: Montana Bridger Mountains P. A. Rydberg & E. A. Bessey 4441 1897-6-17
GH: 00065583 Lupinus monticola Rydberg USA: Montana Mountains near Indian Creek P. A. Rydberg & E. A. Bessey 4447 1897-7-22
GH: 02177663 Lupinus parviflorus Nuttall ex Hooker & Arnott USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 4440 1897-7-26
GH: 00065629 Lupinus pseudoparviflorus Rydberg USA: Montana Bridger Mountains P. A. Rydberg & E. A. Bessey 4441 1897-6-17
GH: 02128493 Lupinus sericeus Pursh USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 4446 1897-7-21
GH: 00058577 Oxytropis besseyi (Rydberg) Blankinship USA: Montana Spanish Basin, 6500 feet P. A. Rydberg & E. A. Bessey 4501 1897-6-23
GH: 00058574 Oxytropis campestris cusickii (Greenman) Barneby USA: Montana Old Hollowtop, near Pony, 9000 feet P. A. Rydberg & E. A. Bessey 4503 1897-7-9
GH: 02132791 Oxytropis lagopus Nuttall USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 4500 1897-6-26
GH: 02132792 Oxytropis lagopus Nuttall USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 4502 1897-6-11
GH: 00058574 Oxytropis rydbergii A. Nelson USA: Montana Old Hollowtop, near Pony, 9000 feet P. A. Rydberg & E. A. Bessey 4503 1897-7-9
GH: 02131542 Oxytropis sericea spicata (Hooker) Barneby USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 4505 1897-7-7
GH: 02343017 Trifolium haydenii Porter USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 4457 1897-6-15
GH: 02343016 Trifolium haydenii Porter USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 4459 1897-7-22
GH: 02343448 Trifolium longipes reflexum (A. Nelson) J. M. Gillett USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 4453 1897-7-1
GH: 00063397 Trifolium montanense Rydberg USA: Montana Old Hollowtop, near Pony, 9000 feet P. A. Rydberg & E. A. Bessey 4461 1897-7-9
GH: 02343722 Trifolium nanum Torrey USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 4467 1897-7-22
GH: 02343770 Trifolium parryi A. Gray USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 4464 1897-7-7
GH: 02343769 Trifolium parryi A. Gray USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 1897-7-7
Gentianaceae GH: 02167578 Gentianella amarella acuta (Michaux) J. M. Gillett USA: Wyoming East De Lacy's Creek, Yellowstone Park P. A. Rydberg & E. A. Bessey 4692 1897-8-10
GH: 02166202 Gentianopsis thermalis (Kuntze) Iltis USA: Idaho Henry's Lake P. A. Rydberg & E. A. Bessey 4695 1897-7-31
Juncaceae GH: 02099343 Juncus balticus ater (Rydberg) Snogerup USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 3841 1897-7-26
GH: 02102152 Juncus drummondii E. Meyer USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 3816 1897-8-18
GH: 02102389 Juncus dudleyi Wiegand USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 3840 1897-6-23
GH: 02401036 Juncus ensifolius Wikström USA: Idaho [data not captured] P. A. Rydberg & E. A. Bessey 3825 1897-7-31
GH: 02401977 Juncus longistylis Torrey USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 3823 1897-7-1
GH: 02366381 Luzula parviflora (Ehrhart) Desvaux USA: Wyoming East De Lacy's Creek, Yellow Stone Park P. A. Rydberg & E. A. Bessey 3831 1897-8-10
GH: 02366746 Luzula spicata Linnaeus USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 3839 1897-7-7
Lamiaceae GH: 01555135 Agastache urticifolia (Bentham) Kuntze USA: Montana Spanish Basin P. A. Rydberg & E. A. Bessey 4904 1897-6-25
Lentibulariaceae GH: 01975630 Utricularia macrorhiza LeConte USA: Wyoming Lone Star Geyser Basin, Yellowstone Park. P. A. Rydberg & E. A. Bessey 4986 1897-8-7
Marchantiaceae FH: 00506635 Marchantia polymorpha Linnaeus USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 1897-6
Onagraceae GH: 01671335 Epilobium clavatum Trelease USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 4567 1897-8-18
GH: 00072208 Onagra strigosa Rydberg USA: Montana Near Pony, 7000 feet P. A. Rydberg & E. A. Bessey 4584 1897-7-12
Ophioglossaceae GH: 00020679 Botrychium coulteri Underwood USA: Wyoming Lone Star Geyser Basin, Yellowstone Park P. A. Rydberg & E. A. Bessey 3500 1897-8-7
Orchidaceae AMES: 02063575 Platanthera dilatata (Pursh) Lindley ex Beck USA: Montana Old Hollowtop, near Pony P. A. Rydberg & E. A. Bessey 3903 1897-7-7
AMES: 02063174 Platanthera dilatata albiflora (Chamisso) Ledebour USA: Montana Spanish Basin P. A. Rydberg & E. A. Bessey 3891 1897-7-1
AMES: 02050391 Platanthera unalascensis (Sprengel) Kurtz USA: Montana Jack Creek Cañon P. A. Rydberg & E. A. Bessey 3889 1897-7-15
Orobanchaceae GH: 01876766 Castilleja flava S. Watson USA: Montana Near Indian Creek P. A. Rydberg & E. A. Bessey 4969 1897-7-21
GH: 00056151 Castilleja lanceifolia Rydberg USA: Montana Spanish basin, 6500 feet P. A. Rydberg & E. A. Bessey 4954 1897-7-1
GH: 01878142 Castilleja miniata Douglas ex Hooker USA: Montana Wolf Creek P. A. Rydberg & E. A. Bessey 4965 1897-7-24
GH: 01878479 Castilleja pallescens (A. Gray) Greenman USA: Montana Bridger Mountains P. A. Rydberg & E. A. Bessey 4971 1897-6-12
GH: 00056192 Castilleja pulchella Rydberg USA: Montana Mountains near Indian Creek, 1000 feet P. A. Rydberg & E. A. Bessey 4967 1897-7-21
GH: 00056207 Castilleja tweedya Rydberg USA: Montana Jack Creek Canyon, 7000 feet P. A. Rydberg & E. A. Bessey 4962 1897-7-14
GH: 00056207 Castilleja tweedyi Rydberg USA: Montana Jack Creek Canyon, 7000 feet P. A. Rydberg & E. A. Bessey 4962 1897-7-14
GH: 00091087 Pedicularis cystopteridifolia Rydberg USA: Montana Cedar Mountain, 10000 feet P. A. Rydberg & E. A. Bessey 4983 1897-7-16
Plantaginaceae GH: 02212582 Callitriche palustris Linnaeus USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 4519 1897-7-16
GH: 01998723 Collinsia parviflora Lindley USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 4924 1897-6-28
GH: 00091140 Penstemon aridus Rydberg USA: Montana Spanish Basin, 6500 feet P. A. Rydberg & E. A. Bessey 4920 1897-6-23
GH: 02002405 Penstemon attenuatus pseudoprocerus (Rydberg) Cronquist USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 4916 1897-7-15
GH: 02118667 Penstemon cyaneus Pennell USA: Idaho [data not captured] P. A. Rydberg & E. A. Bessey 4912 1897-7-29
GH: 02119365 Penstemon eriantherus Pursh USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 4914 1897-6-11
GH: 02121047 Penstemon montanus Greene USA: Idaho [data not captured] P. A. Rydberg & E. A. Bessey 4908 1897-7-29
GH: 00091384 Penstemon pseudohumilis Rydberg USA: Idaho Mount Chauvet, 10000 feet P. A. Rydberg & E. A. Bessey 4915 1897-7-29
GH: 00091384 Penstemon pseudoprocerus Rydberg USA: Idaho Mount Chauvet, 10000 feet P. A. Rydberg & E. A. Bessey 4915 1897-7-29
GH: 00091385 Penstemon pseudoprocerus Rydberg USA: Montana Bridger Mountains, 7000 feet P. A. Rydberg & E. A. Bessey 4919 1897-6-12
GH: 01804512 Synthyris dissecta Rydberg USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 4927 1897-6-15
GH: 01804992 Veronica americana Schweinitz ex Bentham USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 4939 1897-7-1
GH: 01811191 Veronica peregrina xalapensis (Kunth) Pennell USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 4931 1897-7-16
GH: 01812548 Veronica wormskjoldii nutans (Bongard) Pennell USA: Wyoming East De Lacy's Creek, Yellowstone Park [Nati... P. A. Rydberg & E. A. Bessey 4937 1897-8-10
Poaceae GH: 00055381 Panicum barbipulvinatum Nash USA: Montana Lower Geyser Basin P. A. Rydberg & E. A. Bessey 3544 1897-8-4
GH: 00024307 Poa longipila Nash USA: Montana Electric Peak, Yellowstone National Park P. A. Rydberg & E. A. Bessey 3614 1897-8-18
Polemoniaceae GH: 01092026 Collomia debilis trifida Payson USA: Montana Cedar Mountain P. A. Rydberg & E. A. Bessey 4822 1897-7-16
GH: 01092438 Collomia linearis Nuttall USA: Montana Spanish Basin P. A. Rydberg & E. A. Bessey 4833 1897-6-28
Polygonaceae GH: 02346407 Bistorta bistortoides (Pursh) Small USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 5356 1897-6-11
GH: 01652655 Eriogonum flavum piperi (Greene) M. E. Jones USA: Wyoming Lone Star Geyser Basin, Yellowstone Park P. A. Rydberg & E. A. Bessey 5328 1897-8-7
GH: 00036492 Eriogonum flavum flavum USA: Montana Old Hollowtop, Near Pony P. A. Rydberg & E. A. Bessey 5325 1897-7-9
GH: 00036374 Eriogonum heracleoides Nuttall USA: Montana Mountains near Indian Creek P. A. Rydberg & E. A. Bessey 5336 1897-7-21
GH: 00036374 Eriogonum heracleoides rydbergii Gandoger USA: Montana Mountains near Indian Creek P. A. Rydberg & E. A. Bessey 5336 1897-7-21
GH: 00036462 Eriogonum ochroleucum Small USA: Montana Spanish Basin, alt. 6500 feet P. A. Rydberg & E. A. Bessey 5343 1897-6-23
GH: 01986477 Eriogonum ovalifolium Nuttall USA: Idaho Mt. Chauvet, Montana and Idaho P. A. Rydberg & E. A. Bessey 5338a 1897-7-29
GH: 01986520 Eriogonum ovalifolium Nuttall USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 5344 1897-7-21
GH: 00036519 Eriogonum ovalifolium depressum Blankinship USA: Montana Old Hollowtop, near Pony, alt. 9000 feet P. A. Rydberg & E. A. Bessey 5338 1897-7-9
GH: 00036492 Eriogonum polyphyllum Small USA: Montana Old Hollowtop, Near Pony P. A. Rydberg & E. A. Bessey 5325 1897-7-9
GH: 00036519 Eriogonum rubidum frigidum Gandoger USA: Montana Old Hollowtop, near Pony, alt. 9000 feet P. A. Rydberg & E. A. Bessey 5338 1897-7-9
GH: 00036522 Eriogonum rydbergii Greene USA: Montana Upper Geyser Basin, Yellowstone Park, alt. 7... P. A. Rydberg & E. A. Bessey 5330 1897-8-6
GH: 00036523 Eriogonum subalpinum cladophorum Gandoger USA: Montana Upper Geyser Basin, Yellowstone Park, alt. 7... P. A. Rydberg & E. A. Bessey 5330 1897-8-6
GH: 00036546 Eriogonum subalpinum stenophyllum Gandoger USA: Montana Spanish Basin, alt. 6500 feet P. A. Rydberg & E. A. Bessey 5335 1897-6-23
GH: 02043660 Eriogonum umbellatum majus Bentham USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 5333 1897-7-27
GH: 00036522 Eriogonum umbellatum umbellatum USA: Montana Upper Geyser Basin, Yellowstone Park, alt. 7... P. A. Rydberg & E. A. Bessey 5330 1897-8-6
GH: 00036523 Eriogonum umbellatum umbellatum USA: Montana Upper Geyser Basin, Yellowstone Park, alt. 7... P. A. Rydberg & E. A. Bessey 5330 1897-8-6
GH: 00036546 Eriogonum umbellatum subalpinum (Greene) M. E. Jones USA: Montana Spanish Basin, alt. 6500 feet P. A. Rydberg & E. A. Bessey 5335 1897-6-23
GH: 02364010 Oxyria digyna (Linnaeus) Hill USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 5352 1897-7-7
GH: 02364407 Persicaria amphibia (Linnaeus) Delarbre USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 5358 1897-7-27
GH: 02360216 Polygonum buxiforme Small USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 5353 1897-8-23
GH: 02360543 Polygonum douglasii Greene USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 5362 1897-6-23
GH: 02360642 Polygonum douglasii Greene USA: Wyoming East De Lacy's Creek, Yellowstone Park P. A. Rydberg & E. A. Bessey 5364 1897-8-10
GH: 00036762 Polygonum kelloggii Greene USA: Montana Cedar Mountain, 10000 feet P. A. Rydberg & E. A. Bessey 5367 1897-7-16
GH: 00036762 Polygonum polygaloides kelloggii (Greene) J. C. Hickman USA: Montana Cedar Mountain, 10000 feet P. A. Rydberg & E. A. Bessey 5367 1897-7-16
GH: 00036762 Polygonum unifolium Small USA: Montana Cedar Mountain, 10000 feet P. A. Rydberg & E. A. Bessey 5367 1897-7-16
GH: 02005997 Rumex paucifolius Nuttall USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 5348 1897-6-28
GH: 02004264 Rumex triangulivalvis (Danser) K. H. Rechinger USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 5349 1897-7-27
Portulacaceae GH: 01858399 Cistanthe umbellata (Torrey) Hershkovitz USA: Montana Upper Geyser Basin, Yellowstone Park P. A. Rydberg & E. A. Bessey 3983 1897-8-6
GH: 01858723 Claytonia lanceolata Pursh USA: Montana Bridger Mountains P. A. Rydberg & E. A. Bessey 3970 1897-6-15
GH: 01859131 Claytonia rubra (Howell) Tidestrom USA: Montana Bridger Mountains P. A. Rydberg & E. A. Bessey 3981 1897-6-10
Primulaceae GH: 01942153 Androsace filiformis Retzius USA: Montana Spanish Basin P. A. Rydberg & E. A. Bessey 4676 1897-7-1
Ranunculaceae GH: 01720312 Aconitum columbianum Nuttall USA: Wyoming (Biscuit) Upper Geyser Basin, Yellowstone Pa... P. A. Rydberg & E. A. Bessey 4080 1897-8-6
GH: 00242461 Actaea eburnea Rydberg USA: Montana Bridger Mountains P. A. Rydberg & E. A. Bessey 4062 1897-6-18
GH: 00242461 Actaea rubra (Aiton) Willdenow USA: Montana Bridger Mountains P. A. Rydberg & E. A. Bessey 4062 1897-6-18
GH: 01707205 Anemone multifida Poiret USA: Montana Bridger Mountains, Mont. P. A. Rydberg & E. A. Bessey 4089 1897-6-14
GH: 01707310 Anemone multifida Poiret USA: Montana Bridger Mountains P. A. Rydberg & E. A. Bessey 4090 1897-6-11
GH: 01708489 Anemone multifida Poiret USA: Montana Cedar Mountain P. A. Rydberg & E. A. Bessey 4082 1897-7-16
GH: 01709469 Aquilegia flavescens S. Watson USA: Montana Bridger Mountains, Mont. P. A. Rydberg & E. A. Bessey 4067 1897-6-17
GH: 01709470 Aquilegia flavescens S. Watson USA: Montana Bridger Mountains P. A. Rydberg & E. A. Bessey 4066 1897-6-11
GH: 01710926 Clematis columbiana (Nuttall) Torrey & A. Gray USA: Montana Jack Creek Cañon P. A. Rydberg & E. A. Bessey 4104 1897-7-14
GH: 00038204 Delphinium bicolor montanense Rydberg USA: Montana Bridger Mountains, alt. 7000 feet P. A. Rydberg & E. A. Bessey 4074 1897-6-12
GH: 00038220 Delphinium glaucescens Rydberg USA: Montana Electric Peak, alt. 10000 feet P. A. Rydberg & E. A. Bessey 4078 1897-8-18
GH: 01659633 Delphinium occidentale (S. Watson) S. Watson USA: Idaho Henry's Lake and Mt. Chauvet P. A. Rydberg & E. A. Bessey 4079 1897-7-31
GH: 00038439 Ranunculus saxicola Rydberg USA: Montana Cedar Mountain, alt. 10000 feet P. A. Rydberg & E. A. Bessey 4112 1897-7-16
Rhamnaceae GH: 01790260 Ceanothus velutinus Douglas USA: Montana Bridger Mts. P. A. Rydberg & E. A. Bessey 4523 1897-6-18
Rosaceae GH: 01569554 Potentilla norvegica Linnaeus USA: Wyoming Shoshone Lake P. A. Rydberg & E. A. Bessey 4370 1897-8-10
Rubiaceae GH: 02359043 Galium aparine Linnaeus USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 5043 1897-6-14
GH: 02358603 Galium bifolium S. Watson USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 5040 1897-6-12
GH: 02359341 Galium boreale Linnaeus USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 5039 1897-7-14
GH: 02140018 Galium trifidum subbiflorum (Wiegand) Puff (Wiegand) Puff USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 5037 1897-8-10
Salicaceae GH: 00030960 Salix dodgeana Rydberg USA: Montana Electric Peak P. A. Rydberg & E. A. Bessey 3921 1897-8-18
Santalaceae GH: 01932869 Comandra umbellata pallida (A. de Candolle) Piehl USA: Montana Bridger Mountains P. A. Rydberg & E. A. Bessey 3941 1897-6-17
Saxifragaceae GH: 01733390 Boykinia jamesii (Torrey) Engler USA: Montana Electric Peak P. A. Rydberg & E. A. Bessey 4260 1897-8-18
GH: 01733765 Conimitella williamsii (D. C. Eaton) Rydberg USA: Montana Cedar Mountain P. A. Rydberg & E. A. Bessey 4303 1897-7-16
GH: 01735209 Heuchera flabellifolia Rydberg USA: Idaho Henry's Lake and Mt. Chavet, Ida P. A. Rydberg & E. A. Bessey 4290 1897-7-27
GH: 00042743 Heuchera grossulariifolia Rydberg USA: Montana Near Pony P. A. Rydberg & E. A. Bessey 4288 1897-7-6
Scrophulariaceae GH: 01840798 Diplacus nanus (Hooker & Arnott) G. L. Nesom USA: Wyoming Upper Geyser Basin, Yellowstone Park P. A. Rydberg & E. A. Bessey 4941 1897-8-6
GH: 01841810 Erythranthe guttata (de Candolle) G. L. Nesom USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 4945 1897-7-15
Urticaceae GH: 02170558 Parietaria pensylvanica Muhlenberg ex Willdenow USA: Montana [data not captured] P. A. Rydberg & E. A. Bessey 3937 1897-7-6
GH: 00035336 Urtica dioica gracilis (Aiton) Selander USA: Montana Emigrant Gulch P. A. Rydberg & E. A. Bessey 3935 1897-8-23
GH: 00035336 Urtica viridis Rydberg USA: Montana Emigrant Gulch P. A. Rydberg & E. A. Bessey 3935 1897-8-23
Valerianaceae GH: 00031705 Valeriana dioica sylvatica (Solander ex Richardson) F. G. Meyer USA: Montana Bridger Mountains, alt. 7000 feet P. A. Rydberg & E. A. Bessey 5001 1897-6-17
GH: 00031705 Valeriana psilodes Gandoger USA: Montana Bridger Mountains, alt. 7000 feet P. A. Rydberg & E. A. Bessey 5001 1897-6-17
Violaceae GH: 00112478 Viola montanensis Rydberg USA: Montana Jack Creek Canyon, 7000 feet P. A. Rydberg & E. A. Bessey 4532 1897-7-15
