Asteraceae GH: 02207442 Erigeron acris kamteschaticus (de Candolle) Herder USA: Wyoming northwestern park county; along Clark's Fork... Ced. L. Porter & R. C. Rollins 5796 1951-7-29
GH: 02206464 Erigeron compositus Pursh USA: Wyoming Near summit of Clay Butte, near Beartooth Bu... Ced. L. Porter & R. C. Rollins 5850 1951-8-1
GH: 02353238 Erigeron grandiflorus Hooker USA: Wyoming about 2 miles east of Beartooth Lake Ced. L. Porter & R. C. Rollins 1951-7-29
GH: 02353236 Erigeron grandiflorus Hooker USA: Wyoming Near the summit of Clay Butte, near Beartoot... Ced. L. Porter & R. C. Rollins 5851 1951-8-1
GH: 01831279 Hieracium albiflorum Hooker USA: Wyoming northwestern Park County; 1/2 mile southeast... Ced. L. Porter & R. C. Rollins 5829 1951-7-31
Boraginaceae GH: 01872844 Myosotis alpestris asiatica Vestergren ex Hultén USA: Wyoming summit of Clay Butte, west of Beartooth Butt... Ced. L. Porter & R. C. Rollins 5853 1951-8-1
GH: 02059766 Oreocarya caespitosa A. Nelson USA: Wyoming southwestern Sweetwater County.; near the su... Ced. L. Porter & R. C. Rollins 5709 1951-6-28
GH: 02059764 Oreocarya caespitosa A. Nelson USA: Wyoming southwestern Sweetwater County; between Mani... Ced. L. Porter & R. C. Rollins 5660 1951-6-27
GH: 02060501 Oreocarya flavoculata A. Nelson USA: Utah slopes of Sheep Creek Canyon, eastern Uinta ... Ced. L. Porter & R. C. Rollins 5652 1951-6-26
GH: 02060664 Oreocarya glomerata (Pursh) Greene USA: Wyoming southwestern Sweetwater County.; rolling hil... Ced. L. Porter & R. C. Rollins 5663 1951-6-27
GH: 02060663 Oreocarya glomerata (Pursh) Greene USA: Wyoming northern Fremont County.; along the Wind Riv... Ced. L. Porter & R. C. Rollins 5776 1951-6-26
Brassicaceae GH: 01540914 Isatis tinctoria Linnaeus USA: Wyoming along the Lincoln Highway near Creston Ced. L. Porter & R. C. Rollins 5718 1951-6-29
Caryophyllaceae GH: 01743017 Cerastium arvense Linnaeus USA: Wyoming near the summit of Clay Butte, west of Beart... Ced. L. Porter & R. C. Rollins 5861 1951-8-1
GH: 01713810 Minuartia sp. USA: Wyoming Near the summit of Clay Butte Ced. L. Porter & R. C. Rollins 5855 1951-8-1
GH: 01752868 Silene menziesii Hooker USA: Wyoming southern Sweetwater County. along Henry's Fo... Ced. L. Porter & R. C. Rollins 5674 1951-6-28
Cyperaceae GH: 02367759 Carex nardina Fries USA: Wyoming at the Summit of Clay Butte, near Beartooth ... Ced. L. Porter & R. C. Rollins 5876 1951-8-2
GH: 01774450 Carex rostrata Stokes USA: Wyoming [data not captured] Ced. L. Porter & R. C. Rollins 5842 1951-7-31
Elaeagnaceae GH: 01576294 Elaeagnus commutata Bernhardi ex Rydberg USA: Wyoming Southern Sweetwater County, along Henry's Fo... Ced. L. Porter & R. C. Rollins 5693 1951-6-28
Ephedraceae GH: 00933869 Ephedra viridis Coville USA: Wyoming southern Sweetwater County. on the lower slo... Ced. L. Porter & R. C. Rollins 5675 1951-6-28
Ericaceae GH: 01720132 Orthilia secunda (Linnaeus) House USA: Wyoming northwestern Park County. along Clark's Fork Ced. L. Porter & R. C. Rollins 5834 1951-7-31
GH: 01683265 Phyllodoce empetriformis (Smith) D. Don USA: Wyoming near Island Lake, 2 miles east of Beartooth ... Ced. L. Porter & R. C. Rollins 5805 1951-7-29
GH: 01761165 Pyrola chlorantha Swartz USA: Wyoming along Clark's Fork. Ced. L. Porter & R. C. Rollins 5835 1951-7-31
Fabaceae GH: 02067737 Astragalus agrestis G. Don USA: Wyoming extreme northwestern Park County. north side... Ced. L. Porter & R. C. Rollins 5798 1951-7-29
GH: 02067738 Astragalus agrestis G. Don USA: Wyoming on Henry's fork, near McKinnon Ced. L. Porter & R. C. Rollins 5682 1951-6-28
GH: 02047255 Astragalus canadensis mortonii (Nuttall) S. Watson USA: Wyoming on Henry's Fork, near McKinnon Ced. L. Porter & R. C. Rollins 5684 1951-6-28
GH: 02044339 Astragalus eucosmus B. L. Robinson USA: Wyoming northwestern Park County. Banks of Clark's F... Ced. L. Porter & R. C. Rollins 5825 1951-7-30
GH: 02044479 Astragalus flavus candicans A. Gray USA: Wyoming about 22 miles south of Green River Ced. L. Porter & R. C. Rollins 5717 1951-6-29
GH: 02052046 Astragalus jejunus S. Watson USA: Wyoming southwestern Sweetwater County. between Mani... Ced. L. Porter & R. C. Rollins 5658 1951-6-27
GH: 02052085 Astragalus kentrophyta A. Gray USA: Wyoming along Henry's Fork near McKinnon Ced. L. Porter & R. C. Rollins 5665 1951-6-28
GH: 02052087 Astragalus kentrophyta A. Gray USA: Wyoming about 22 miles south of Green River Ced. L. Porter & R. C. Rollins 5711 1951-6-29
GH: 02052157 Astragalus kentrophyta implexus (Canby) Barneby USA: Wyoming near the summit of Clay Butte Ced. L. Porter & R. C. Rollins 5862 1951-8-1
GH: 02049921 Astragalus pattersonii A. Gray USA: Utah about 20 miles north of Verbal, eastern Uint... Ced. L. Porter & R. C. Rollins 5639 1951-6-26
GH: 02049970 Astragalus pectinatus (Douglas ex Hooker) Douglas ex G. Don USA: Wyoming southern Sweetwater County. along Henry's Fo... Ced. L. Porter & R. C. Rollins 5673 1951-6-27
GH: 02048280 Astragalus purshii glareosus (Douglas) Barneby USA: Utah slopes of Sheep Creek Canyon, eastern Uinta ... Ced. L. Porter & R. C. Rollins 5654 1951-6-26
GH: 01958082 Hedysarum alpinum Linnaeus USA: Wyoming 22 miles west of Dubois Ced. L. Porter & R. C. Rollins 5782 1951-7-27
GH: 01958213 Hedysarum boreale Nuttall USA: Wyoming 10 miles west of Dubois Ced. L. Porter & R. C. Rollins 5780 1951-7-27
GH: 01958209 Hedysarum boreale Nuttall USA: Utah about 20 miles north of Vernal, in the easte... Ced. L. Porter & R. C. Rollins 5637 1951-6-26
GH: 02085191 Lupinus argenteus Pursh USA: Wyoming Clay Butte, near Beartooth Butte Ced. L. Porter & R. C. Rollins 5817 1951-7-30
GH: 02130887 Oxytropis besseyi obnapiformis (Ced. Porter) S. L. Welsh USA: Colorado about 10 miles west of Maybell. Ced. L. Porter & R. C. Rollins 5625 1951-6-25
GH: 02130886 Oxytropis besseyi obnapiformis (Ced. Porter) S. L. Welsh USA: Wyoming southwestern Sweetwater County. Henry's Fork... Ced. L. Porter & R. C. Rollins 5664 1951-6-28
GH: 02132016 Oxytropis borealis viscida (Nuttall) Welsh USA: Wyoming near the summit of Clay Butte. Ced. L. Porter & R. C. Rollins 5854 1951-8-1
GH: 02132545 Oxytropis cusickii Greenman USA: Wyoming Near the lookout on Clay Butte. Ced. L. Porter & R. C. Rollins 5816 1951-7-30
GH: 02132576 Oxytropis deflexa (Pallas) de Candolle USA: Wyoming northwestern Park County. along Clark's Fork... Ced. L. Porter & R. C. Rollins 5826 1951-7-30
GH: 02131492 Oxytropis sericea Nuttall USA: Wyoming On the eastern flank of Cedar Mountain. sout... Ced. L. Porter & R. C. Rollins 5699 1951-6-28
GH: 02131489 Oxytropis sericea Nuttall USA: Wyoming on Henry's Fork, near McKinnon. Ced. L. Porter & R. C. Rollins 5683 1951-6-28
GH: 02137939 Trifolium andinum Nuttall USA: Wyoming near the summit of Cedar Mountain. Ced. L. Porter & R. C. Rollins 5710 1951-6-28
GH: 02345213 Vicia americana Muhlenberg ex Willdenow USA: Wyoming southern Sweetwater County. along Henry's Fo... Ced. L. Porter & R. C. Rollins 5685 1951-6-28
Gentianaceae GH: 02072972 Gentiana prostrata Haenke USA: Wyoming [dnear the summit of Clay Butte. Ced. L. Porter & R. C. Rollins 5869 1951-8-2
GH: 02167307 Gentianella amarella (Linnaeus) Börner USA: Wyoming extreme northwestern Park County. north side... Ced. L. Porter & R. C. Rollins 5801 1951-7-29
GH: 02166278 Gentianopsis thermalis (Kuntze) Iltis USA: Wyoming northwestern Park County. on U.S, 12, 5 mile... Ced. L. Porter & R. C. Rollins [da... 5843 1951-8-1
Haloragaceae GH: 01628343 Myriophyllum sibiricum Komarov USA: Wyoming on the Horse Creek Road about 10 miles north... Ced. L. Porter & R. C. Rollins 5784 1951-7-27
Hippuridaceae GH: 02000544 Hippuris vulgaris Linnaeus USA: Wyoming southern Sweetwater County; eastern flank of... Ced. L. Porter & R. C. Rollins 5704 1951-6-28
Iridaceae GH: 01747536 Iris missouriensis Nuttall USA: Wyoming southern Sweetwater County, below the summit... Ced. L. Porter & R. C. Rollins 5695 1951-6-28
GH: 01749482 Sisyrinchium idahoense E. P. Bicknell USA: Wyoming southwestern Sweetwater County, below the su... Ced. L. Porter & R. C. Rollins 5702 1951-6-28
Onagraceae GH: 01671070 Epilobium ciliatum Rafinesque USA: Wyoming northwestern Park County. along Clark's Fork Ced. L. Porter & R. C. Rollins 5841 1951-7-31
GH: 01671072 Epilobium ciliatum Rafinesque USA: Wyoming northwestern Park County. along Clark's Fork Ced. L. Porter & R. C. Rollins 5841 1951-7-31
GH: 01645421 Oenothera caespitosa marginata (Nuttall ex Hooker & Arnott) Munz USA: Utah Sheep Creek Canyon, eastern Uinta Mts. Ced. L. Porter & R. C. Rollins 5656 1951-6-26
Orobanchaceae GH: 01878953 Castilleja rhexifolia Rydberg USA: Montana 1 mile east of Cooke City Ced. L. Porter & R. C. Rollins 5791 1951-7-29
Pinaceae GH: 00397293 Picea pungens Engelmann USA: Wyoming southern Sweetwater County. below the summit... Ced. L. Porter & R. C. Rollins 5708 1951-6-28
GH: 00398528 Pinus edulis Engelmann USA: Utah Sheep Creek Canyon, eastern Unita Mts. Ced. L. Porter & R. C. Rollins 5643 1951-6-26
Plantaginaceae GH: 00466494 Besseya wyomingensis (A. Nelson) Rydberg USA: Wyoming Near the lookout on Clay Butte, west of Bear... Ced. L. Porter & R. C. Rollins 5820 1951-7-30
GH: 01998844 Collinsia parviflora Lindley USA: Utah slopes of Sheep Creek Canyon, eastern Uinta ... Ced. L. Porter & R. C. Rollins 5644 1951-6-26
GH: 02001833 Penstemon acaulis L. O. Williams USA: Wyoming Southern Sweetwater County.; ridges above Mc... Ced. L. Porter & R. C. Rollins 5657 1951-6-27
GH: 02002978 Penstemon caespitosus Nuttall ex A. Gray USA: Wyoming southwestern Sweetwater County.; on the east... Ced. L. Porter & R. C. Rollins 5680 1951-6-28
GH: 02002976 Penstemon caespitosus Nuttall ex A. Gray USA: Wyoming southwestern Sweetwater County; along Henry'... Ced. L. Porter & R. C. Rollins 5672 1951-6-28
GH: 02118283 Penstemon cleburnei M. E. Jones USA: Wyoming grove along Henry's Fork near McKinnon.; sou... Ced. L. Porter & R. C. Rollins 5668 1951-6-28
GH: 02118277 Penstemon cleburnei M. E. Jones USA: Wyoming southern Sweetwater County; eastern flank of... Ced. L. Porter & R. C. Rollins 5676 1951-6-28
GH: 02120477 Penstemon humilis Nuttall ex A. Gray USA: Utah Sheep Creek Canyon, eastern Uinta Mts. Ced. L. Porter & R. C. Rollins 5655 1951-6-26
GH: 02120508 Penstemon humilis Nuttall ex A. Gray USA: Wyoming southwestern Sweetwater County.; Eastern fla... Ced. L. Porter & R. C. Rollins 5697 1951-6-28
GH: 02122332 Penstemon rydbergii A. Nelson USA: Wyoming about 2 miles east of Beartooth Lake. Ced. L. Porter & R. C. Rollins 5807 1951-7-29
GH: 02122331 Penstemon rydbergii A. Nelson USA: Wyoming along Crazy Creek, on the Red-Lodge Cooke Ci... Ced. L. Porter & R. C. Rollins 5864 1951-8-1
GH: 01801634 Penstemon sp. USA: Wyoming southwestern Sweetwater County; along Henry'... Ced. L. Porter & R. C. Rollins 5671 1951-6-28
GH: 01801139 Penstemon unilateralis Rydberg USA: Wyoming 10 miles west of Dubois Ced. L. Porter & R. C. Rollins 5781 1951-7-27
Polemoniaceae GH: 01574476 Phlox longifolia Nuttall USA: Wyoming southwestern Sweetwater County. near the sum... Ced. L. Porter & R. C. Rollins 5700 1951-6-28
GH: 01574711 Phlox multiflora A. Nelson USA: Utah Eastern Uinta Mts., 25 miles north of Vernal Ced. L. Porter & R. C. Rollins 5632 1951-6-26
GH: 01574712 Phlox multiflora A. Nelson USA: Utah Eastern Uinta Mts., 25 miles north of Vernal Ced. L. Porter & R. C. Rollins 5632 1951-6-26
GH: 01717089 Polemonium viscosum Nuttall USA: Wyoming near the summit of Clay Butte, west of Beart... Ced. L. Porter & R. C. Rollins 5813 1951-7-30
Polygonaceae GH: 01618013 Eriogonum acaule Nuttall USA: Wyoming near the summit of Cedar Mountain Ced. L. Porter & R. C. Rollins 5706 1951-6-28
GH: 01618498 Eriogonum brevicaule Nuttall USA: Wyoming northern Fremont County. along the Wind Rive... Ced. L. Porter & R. C. Rollins 5775 1951-7-26
GH: 02004703 Stenogonum salsuginosum Nuttall USA: Wyoming about 22 miles south of Green River. Ced. L. Porter & R. C. Rollins 5712 1951-6-29
Ranunculaceae GH: 01707006 Anemone multifida Poiret USA: Wyoming along Clark's Fork, 9 miles east of Cooke, M... Ced. L. Porter & R. C. Rollins 5795 1951-7-29
GH: 01709515 Aquilegia flavescens S. Watson USA: Wyoming extreme northwestern Park County. On the nor... Ced. L. Porter & R. C. Rollins 5799 1951-7-29
GH: 01709516 Aquilegia flavescens S. Watson USA: Wyoming extreme northwestern Park County. On the nor... Ced. L. Porter & R. C. Rollins 5800 1951-7-29
GH: 01658406 Delphinium bicolor Nuttall USA: Wyoming near the foot of Clay Butte, near Beartooth ... Ced. L. Porter & R. C. Rollins 5863 1951-8-1
GH: 01659120 Delphinium glaucum S. Watson USA: Montana 1 mile east of Cooke Ced. L. Porter & R. C. Rollins 5789 1951-7-29
GH: 01663652 Ranunculus eschscholtzii eximius (Greene) L. D. Benson USA: Wyoming Clay Butte, west of Beartooth Butte Ced. L. Porter & R. C. Rollins 5818 1951-7-30
Rosaceae GH: 01587222 Cercocarpus ledifolius Nuttall USA: Utah Sheep Creek Canyon, eastern Uinta Mts. Ced. L. Porter & R. C. Rollins 5641 1951-6-26
GH: 01587457 Cercocarpus montanus Rafinesque USA: Utah in Sheep Creek Canyon, eastern Uinta Mts. Ced. L. Porter & R. C. Rollins 5642 1951-6-26
GH: 01566023 Ivesia gordonii (Hooker) Torrey & A. Gray USA: Wyoming southern Sweetwater County, near the summit ... Ced. L. Porter & R. C. Rollins 5694 1951-6-28
GH: 01590269 Petrophytum caespitosum (Nuttall) Rydberg USA: Utah On rocks in Sheep Creek Canyon, eastern Uint... Ced. L. Porter & R. C. Rollins 5647 1951-6-26
GH: 01566940 Potentilla biennis Greene USA: Wyoming northwestern Park County. near Crazy Creek Ced. L. Porter & R. C. Rollins 5833 1951-7-31
GH: 01569595 Potentilla ovina Macoun USA: Wyoming near the lookout, Clay Butte, west of Bearto... Ced. L. Porter & R. C. Rollins 5814 1951-7-30
Rubiaceae GH: 02140064 Galium trifidum subbiflorum (Wiegand) Puff (Wiegand) Puff USA: Wyoming northwestern Park County; along Clark's Fork Ced. L. Porter & R. C. Rollins 5840 1951-7-31
GH: 02140531 Galium triflorum Michaux USA: Wyoming northwestern Park County; along Clark's Fork Ced. L. Porter & R. C. Rollins 5839 1951-7-31
Saxifragaceae GH: 01712536 Micranthes subapetala (E. E. Nelson) Small USA: Wyoming near Island Lake, 2 miles east of Beartooth ... Ced. L. Porter & R. C. Rollins 5803 1951-7-29
Scrophulariaceae GH: 01840801 Diplacus nanus (Hooker & Arnott) G. L. Nesom USA: Wyoming Yellowstone National Park. hills north of Ye... Ced. L. Porter & R. C. Rollins 5787 1951-7-28
Selaginellaceae GH: 02075341 Selaginella densa scopulorum (Maxon) R. M. Tryon USA: Wyoming northwestern Park County. along Clark's Fork... Ced. L. Porter & R. C. Rollins 5819 1951-7-30