Aceraceae GH: 01870988 Acer glabrum Torrey USA: Wyoming Mountains near Cottonwood Lake, east of Smoo... E. B. Payson & G. M. Armstrong 3786 1923-8-9
GH: 01791268 Acer grandidentatum Nuttall ex Torrey & A. Gray USA: Wyoming Hills east of Afton E. B. Payson & G. M. Armstrong 3236 1923-6-24
Apocynaceae GH: 02179619 Apocynum androsaemifolium Linnaeus USA: Wyoming Alpine, (on the Snake River, near the Idaho ... E. B. Payson & G. M. Armstrong 3382 1923-7-7
Asteraceae GH: 02140942 Agoseris aurantiaca aurantiaca USA: Idaho [data not captured] E. B. Payson & G. M. Armstrong 3570 1923-7-19
GH: 02141361 Agoseris glauca dasycephala (Torr. & A. Gray) Jepson USA: Wyoming Mt. Wagner, southeast of Smoot E. B. Payson & G. M. Armstrong 3734 1923-8-5
GH: 02141801 Agoseris parviflora (Nuttall) D. Dietrich USA: Wyoming Hills east of Afton E. B. Payson & G. M. Armstrong 3257 1923-6-24
GH: 02141800 Agoseris parviflora (Nuttall) D. Dietrich USA: Wyoming Mountains 5 miles east of Afton E. B. Payson & G. M. Armstrong 3346 1923-7-3
GH: 00988857 Artemisia ludoviciana Nuttall USA: Wyoming Mountains near Cottonwood Lake, east of Smoo... E. B. Payson & G. M. Armstrong 3796 1923-8-9
GH: 02020967 Cirsium hookerianum Nuttall USA: Wyoming Mountains near Cottonwood Lake, east of Smoo... E. B. Payson & G. M. Armstrong 3614 1923-7-28
GH: 02142399 Crepis atribarba A. Heller USA: Idaho [data not captured] E. B. Payson & G. M. Armstrong 3558 1923-7-19
GH: 02142733 Crepis occidentalis Nuttall USA: Wyoming Hills east of Afton E. B. Payson & G. M. Armstrong 3323 1923-6-30
GH: 02203713 Dieteria canescens (Pursh) Nuttall USA: Wyoming Mt. Wagner, southeast of Smoot E. B. Payson & G. M. Armstrong 3742 1923-8-5
GH: 02207176 Ericameria suffruticosa (Nuttall) G. L. Nesom USA: Idaho [data not captured] E. B. Payson & G. M. Armstrong 3574 1923-7-19
GH: 02207207 Ericameria suffruticosa (Nuttall) G. L. Nesom USA: Wyoming Red Mountain, northeast of Smoot E. B. Payson & G. M. Armstrong 3631 1923-7-29
GH: 02206347 Erigeron compositus Pursh USA: Idaho [data not captured] E. B. Payson & G. M. Armstrong 3519 1923-7-17
GH: 02206459 Erigeron compositus Pursh USA: Wyoming Mountains 5 miles east of Afton E. B. Payson & G. M. Armstrong 3353 1923-7-3
GH: 02206460 Erigeron compositus Pursh USA: Wyoming Mountains near Cottonwood Lake, east of Smoo... E. B. Payson & G. M. Armstrong 3789 1923-8-9
GH: 02206688 Erigeron corymbosus Nuttall USA: Wyoming Alpine; (on the Snake River, near the Idaho ... E. B. Payson & G. M. Armstrong 3436 1923-7-10
GH: 02206849 Erigeron divergens Torrey & A. Gray USA: Idaho [data not captured] E. B. Payson & G. M. Armstrong 3423 1923-7-9
GH: 02348013 Erigeron eatonii A. Gray USA: Wyoming Hills east of Afton E. B. Payson & G. M. Armstrong 3282 1923-6-27
GH: 02348012 Erigeron eatonii A. Gray USA: Wyoming Sheep Mountain (Ferry Peak), Snake River Ran... E. B. Payson & G. M. Armstrong 3479 1923-7-11
GH: 02206983 Erigeron eatonii A. Gray USA: Idaho [data not captured] E. B. Payson & G. M. Armstrong 3579 1923-7-19
GH: 02348182 Erigeron engelmannii A. Nelson USA: Wyoming Hills east of Afton E. B. Payson & G. M. Armstrong 3327 1923-6-30
GH: 02348717 Erigeron glabellus Nuttall USA: Idaho [data not captured] E. B. Payson & G. M. Armstrong 3426 1923-7-9
GH: 02353052 Erigeron glacialis (Nuttall) A. Nelson USA: Wyoming near Cottonwood Lake, east of Smoot E. B. Payson & G. M. Armstrong 3723 1923-8-2
GH: 02348946 Erigeron glacialis (Nuttall) A. Nelson USA: Idaho [data not captured] E. B. Payson & G. M. Armstrong 3516 1923-7-17
GH: 02353240 Erigeron grandiflorus Hooker USA: Wyoming Mountains near Cottonwood Lake, east of Smoo... E. B. Payson & G. M. Armstrong 3673 1923-7-31
GH: 02353684 Erigeron leiomerus A. Gray USA: Wyoming Red Mountain, northeast of Smoot E. B. Payson & G. M. Armstrong 3635 1923-7-29
GH: 02353683 Erigeron leiomerus A. Gray USA: Wyoming Hills east of Afton E. B. Payson & G. M. Armstrong 3234 1923-6-24
GH: 02353916 Erigeron lonchophyllus Hooker USA: Idaho [data not captured] E. B. Payson & G. M. Armstrong 3420 1923-7-9
GH: 02352137 Erigeron nivalis Nuttall USA: Wyoming Mountains near Cottonwood lake, east of Smoo... E. B. Payson & G. M. Armstrong 3617 1923-7-28
GH: 02351597 Erigeron speciosus de Candolle USA: Wyoming Alpine ( on the Snake River, near the Idaho ... E. B. Payson & G. M. Armstrong 3493 1923-7-14
GH: 02351596 Erigeron speciosus de Candolle USA: Wyoming Mountains near Cottonwood Lake, east of Smoo... E. B. Payson & G. M. Armstrong 3803 1923-8-13
GH: 01831295 Hieracium albiflorum Hooker USA: Wyoming Alpine; (on the Snake River, near the Idaho ... E. B. Payson & G. M. Armstrong 3499 1923-7-14
GH: 01831763 Hieracium gracile Hooker USA: Wyoming near Cottonwood Lake, east of Smoot E. B. Payson & G. M. Armstrong 3813 1923-8-13
GH: 01831762 Hieracium gracile Hooker USA: Wyoming near Cottonwood Lake, east of Smoot E. B. Payson & G. M. Armstrong 3684 1923-7-31
Boraginaceae GH: 02025721 Cryptantha torreyana calycosa Greene USA: Wyoming Alpine (on the Snake River, near the Idaho b... E. B. Payson & G. M. Armstrong 3393 1923-7-7
GH: 02025722 Cryptantha torreyana calycosa Greene USA: Wyoming Hills east of Afton E. B. Payson & G. M. Armstrong 3324 1923-6-30
GH: 02027640 Hackelia micrantha (Eastwood) J. L. Gentry USA: Wyoming 5 miles east of Afton E. B. Payson & G. M. Armstrong 3356 1923-7-3
GH: 02027769 Hackelia patens (Nuttall) I. M. Johnston USA: Wyoming Mt. Wagner, southeast of Smoot E. B. Payson & G. M. Armstrong 3762 1923-8-5
GH: 01997859 Mertensia ciliata (James) G. Don USA: Wyoming Sheep Mountain (Ferry Peak), Snake River Ran... E. B. Payson & G. M. Armstrong 3442 1923-7-11
GH: 01997835 Mertensia ciliata (James) G. Don USA: Wyoming Mountains near Cottonwood Lake, east of Smoo... E. B. Payson & G. M. Armstrong 3668 1923-7-31
GH: 01872837 Myosotis alpestris asiatica Vestergren ex Hultén USA: Wyoming Mountains near Cottonwood Lake, east of Smoo... E. B. Payson & G. M. Armstrong 3782 1923-8-9
GH: 02059758 Oreocarya caespitosa A. Nelson USA: Wyoming Between Opal and Kemmerer. E. B. Payson & G. M. Armstrong 3223 1923-6-19
GH: 02061136 Oreocarya sericea (A. Gray) Greene USA: Wyoming 21 miles west of Green River E. B. Payson & G. M. Armstrong 3206 1923-6-19
Brassicaceae GH: 00960673 Arabis hirsuta pycnocarpa (M. Hopkins) Rollins USA: Wyoming Hills east of Afton E. B. Payson & G. M. Armstrong 3252 1923-6-24
GH: 00932651 Boechera holboelii pendulocarpa (A. Nelson) N. Snow USA: Wyoming Sheep Mountain (Ferry Peak), Snake River Ran... E. B. Payson & G. M. Armstrong 3446 1923-7-11
GH: 00946193 Boechera lemmonii (S. Watson) W. A. Weber USA: Idaho Caribou Mountain. Base to summit E. B. Payson & G. M. Armstrong 3565 1923-7-19
GH: 00946262 Boechera lemmonii drepanoloba (Greene) Dorn USA: Wyoming Red Mountain, northeast of Smoot E. B. Payson & G. M. Armstrong 3637 1923-7-29
GH: 00946263 Boechera lemmonii drepanoloba (Greene) Dorn USA: Wyoming Sheep Mountain (Ferry Peak), Snake River Ran... E. B. Payson & G. M. Armstrong 3463 1923-7-11
GH: 00946656 Boechera nuttallii (Kuntze) Dorn USA: Wyoming Hills east of Afton E. B. Payson & G. M. Armstrong 3273 1923-6-25
GH: 00946657 Boechera nuttallii (Kuntze) Dorn USA: Wyoming Mountains near Cottonwood Lake, east of Smoo... E. B. Payson & G. M. Armstrong 3812 1923-8-13
GH: 00946658 Boechera nuttallii (Kuntze) Dorn USA: Wyoming Sheep Mountain (Ferry Peak), Snake River Ran... E. B. Payson & G. M. Armstrong 3461 1923-7-11
GH: 00948162 Boechera retrofracta (Graham) A. Löve & D. Löve USA: Wyoming 5 miles west of Kemmerer E. B. Payson & G. M. Armstrong 3232 1923-6-20
GH: 00948234 Boechera retrofracta (Graham) A. Löve & D. Löve USA: Wyoming Alpine (on the Snake River, near the Idaho b... E. B. Payson & G. M. Armstrong 3401 1923-7-7
GH: 00944405 Boechera sp. USA: Wyoming Mountains 5 miles east of Afton E. B. Payson & G. M. Armstrong 3367 1923-7-3
GH: 00944406 Boechera sp. USA: Wyoming Mountains near Cottonwood Lake, east of Smoo... E. B. Payson & G. M. Armstrong 3788 1923-8-9
GH: 00944089 Boechera stricta (Graham) Al-Shehbaz USA: Wyoming Red Mountain, northeast of Smoot E. B. Payson & G. M. Armstrong 3638 1923-7-29
GH: 01098793 Cardamine breweri S. Watson USA: Wyoming Hills east of Afton E. B. Payson & G. M. Armstrong 3264 1923-6-25
GH: 01098798 Cardamine breweri leibergii (Holzinger) C. L. Hitchcock USA: Idaho Caribou Mountain E. B. Payson & G. M. Armstrong 3569 1923-7-19
GH: 00999411 Cardamine pensylvanica Muhlenberg ex Willdenow USA: Idaho [data not captured] E. B. Payson & G. M. Armstrong 3422 1923-7-9
GH: 00986282 Descurainia californica O. E. Schulz USA: Wyoming Mountains near Cottonwood lake, east of Smoo... E. B. Payson & G. M. Armstrong 3800 1923-8-13
GH: 00986283 Descurainia californica O. E. Schulz USA: Wyoming Alpine (on the Snake River, near the Idaho b... E. B. Payson & G. M. Armstrong 3389 1923-7-7
GH: 00986285 Descurainia californica O. E. Schulz USA: Wyoming Hills east of Afton E. B. Payson & G. M. Armstrong 3332 1923-6-30
GH: 00986372 Descurainia incana (Bernhardi ex Fischer & C. A. Meyer) Dorn USA: Idaho Alpine Hot Springs, on the Snake River, near... E. B. Payson & G. M. Armstrong 3409 1923-7-9
GH: 00986374 Descurainia incana (Bernhardi ex Fischer & C. A. Meyer) Dorn USA: Idaho at base of peak, Caribou Mountain E. B. Payson & G. M. Armstrong 3576 1923-7-19
GH: 00986405 Descurainia incana (Bernhardi ex Fischer & C. A. Meyer) Dorn USA: Wyoming Mountains near Cottonwood Lake, east of Smoo... E. B. Payson & G. M. Armstrong 3705 1923-8-2
GH: 00986408 Descurainia incana (Bernhardi ex Fischer & C. A. Meyer) Dorn USA: Wyoming Hills east of Afton E. B. Payson & G. M. Armstrong 3313 1923-6-30
GH: 00986414 Descurainia incana (Bernhardi ex Fischer & C. A. Meyer) Dorn USA: Wyoming Mountains near Cottonwood Lake, east of Smoo... E. B. Payson & G. M. Armstrong 3801 1923-8-13
GH: 00986473 Descurainia incisa (Engelmann) Britton USA: Wyoming Mountains near Cottonwood Lake, east of Smoo... E. B. Payson & G. M. Armstrong 3770 1923-8-7
GH: 00986475 Descurainia incisa (Engelmann) Britton USA: Wyoming Alpine (on the Snake River, near the Idaho b... E. B. Payson & G. M. Armstrong 3609 1923-7-25
GH: 00986934 Descurainia pinnata brachycarpa (Richardson) Detling USA: Wyoming Hills east of Afton E. B. Payson & G. M. Armstrong 3331 1923-6-30
GH: 01084313 Descurainia pinnata nelsonii (Rydberg) Detling USA: Wyoming Hills east of Afton E. B. Payson & G. M. Armstrong 3330 1923-6-30
GH: 01103498 Draba aurea Vahl USA: Wyoming Hills east of Afton E. B. Payson & G. M. Armstrong 3275 1923-6-25
GH: 01115255 Draba incerta Payson USA: Wyoming Mt. Wagner, southeast of Smoot E. B. Payson & G. M. Armstrong 3760 1923-8-5
GH: 01115683 Draba lonchocarpa Rydberg USA: Wyoming Mt. Wagner, southeast of Smoot E. B. Payson & G. M. Armstrong 3756 1923-8-5
GH: 01115684 Draba lonchocarpa Rydberg USA: Wyoming Red Mountain, northeast of Smoot E. B. Payson & G. M. Armstrong 3643 1923-7-29
GH: 00971470 Draba oligosperma Hooker USA: Wyoming Red Mountain, northeast of Smoot E. B. Payson & G. M. Armstrong 3648 1923-7-29
GH: 00971471 Draba oligosperma Hooker USA: Wyoming Mountains near Cottonwood Lake, east of Smoo... E. B. Payson & G. M. Armstrong 3809 1923-8-13
GH: 01538353 Erysimum capitatum argillosum (Greene) R. J. Davis USA: Wyoming Sheep Mountain (Ferry Peak), Snake River Ran... E. B. Payson & G. M. Armstrong 3457 1923-7-11
GH: 01538354 Erysimum capitatum argillosum (Greene) R. J. Davis USA: Wyoming east of Afton E. B. Payson & G. M. Armstrong 3249 1923-6-24
GH: 01538355 Erysimum capitatum argillosum (Greene) R. J. Davis USA: Wyoming near Cottonwood Lake, east of Smoot E. B. Payson & G. M. Armstrong 3679 1923-7-31
GH: 01538357 Erysimum capitatum argillosum (Greene) R. J. Davis USA: Wyoming east of Afton E. B. Payson & G. M. Armstrong 3268 1923-6-25
GH: 01550024 Lepidium virginicum pubescens (Greene) C. L. Hitchcock USA: Wyoming Hills east of Afton E. B. Payson & G. M. Armstrong 3320 1923-6-30
GH: 01550025 Lepidium virginicum pubescens (Greene) C. L. Hitchcock USA: Wyoming Alpine (on the Snake River, near the Idaho b... E. B. Payson & G. M. Armstrong 3392 1923-7-7
GH: 00019321 Lesquerella paysonii Rollins USA: Wyoming Mountains near Cottonwood Lake, east of Smoo... E. B. Payson & G. M. Armstrong 3816 1923-8-13
GH: 00019321 Lesquerella prostrata A. Nelson USA: Wyoming Mountains near Cottonwood Lake, east of Smoo... E. B. Payson & G. M. Armstrong 3816 1923-8-13
GH: 01550866 Noccaea fendleri glauca (A. Nelson) Al-Shehbz & M. Koch USA: Wyoming Mountains 5 miles east of Afton E. B. Payson & G. M. Armstrong 3358 1923-7-3
GH: 01550867 Noccaea fendleri glauca (A. Nelson) Al-Shehbz & M. Koch USA: Wyoming Mt. Wagner, southeast of Smoot E. B. Payson & G. M. Armstrong 3761 1923-8-5
GH: 00019321 Physaria carinata paysonii (Rollins) O'Kane USA: Wyoming Mountains near Cottonwood Lake, east of Smoo... E. B. Payson & G. M. Armstrong 3816 1923-8-13
GH: 01575417 Physaria didymocarpa integrifolia Rollins USA: Wyoming Hills east of Afton E. B. Payson & G. M. Armstrong 3825 1923-6-28
GH: 01687673 Physaria multiceps (Maguire) O'Kane & Al-Shehbaz USA: Wyoming Sheep Mountain (Ferry Peak), Snake River Ran... E. B. Payson & G. M. Armstrong 3466 1923-7-11
GH: 01691876 Rorippa alpina (S. Watson) Rydberg USA: Wyoming Mountains near Cottonwood Lake, east of Smoo... E. B. Payson & G. M. Armstrong 3690 1923-7-31
GH: 01716486 Smelowskia americana Rydberg USA: Wyoming Red Mountain, northeast of Smoot E. B. Payson & G. M. Armstrong 3629 1923-7-29
GH: 01716487 Smelowskia americana Rydberg USA: Wyoming Mt. Wagner, southeast of Smoot E. B. Payson & G. M. Armstrong 3747 1923-8-5
GH: 01736301 Streptanthus cordatus Nuttall ex Torrey & A. Gray USA: Wyoming 5 miles west of Kemmerer E. B. Payson & G. M. Armstrong 1923-6-20
Caprifoliaceae GH: 02037426 Lonicera utahensis S. Watson USA: Wyoming east of Afton E. B. Payson & G. M. Armstrong 3274 1923-6-25
GH: 02184320 Sambucus racemosa melanocarpa (A. Gray) McMinn USA: Wyoming Mountains near Cottonwood Lake, east of Smoo... E. B. Payson & G. M. Armstrong 3720 1923-8-2
GH: 02036982 Symphoricarpos rivularis Suksdorf USA: Wyoming Wolf Creek, Alpine; on the Snake River, near... E. B. Payson & G. M. Armstrong 3605 1923-7-25
A: 02035149 Symphoricarpos vaccinioides Rydberg USA: Wyoming east of Afton E. B. Payson & G. M. Armstrong 3326 1923-6-30
Caryophyllaceae GH: 01741290 Arenaria congesta Nuttall USA: Wyoming Red Mountain, northeast of Smoot E. B. Payson & G. M. Armstrong 3654 1923-7-29
GH: 01743013 Cerastium arvense Linnaeus USA: Wyoming Mountains near Cottonwood Lake, east of Smoo... E. B. Payson & G. M. Armstrong 3708 1923-8-2
GH: 01744209 Cerastium sp. USA: Wyoming Mountains near Cottonwood Lake, east of Smoo... E. B. Payson & G. M. Armstrong 3687 1923-7-31
GH: 01713040 Minuartia nuttallii (Pax) Briquet USA: Wyoming Sheep Mountain (Ferry Peak), Snake River Ran... E. B. Payson & G. M. Armstrong 3454 1923-7-11
GH: 01713041 Minuartia nuttallii (Pax) Briquet USA: Wyoming Red Mountain, northeast of Smoot E. B. Payson & G. M. Armstrong 3632 1923-7-29
GH: 01713709 Minuartia rubella (Wahlenberg) Hiern USA: Wyoming Mountains near Cottonwood Lake, east of Smoo... E. B. Payson & G. M. Armstrong 3787 1923-8-9
GH: 01715889 Sagina saginoides (Linnaeus) H. Karsten USA: Wyoming Mountains near Cottonwood Lake, east of Smoo... E. B. Payson & G. M. Armstrong 3618 1923-7-28
GH: 01751417 Silene acaulis subacaulescens (F. N. Williams) C. L. Hitchcock & B. Maguire USA: Wyoming Mountains near Cottonwood Lake, east of Smoo... E. B. Payson & G. M. Armstrong 3797 1923-8-9
GH: 01753171 Silene parryi (S. Watson) C. L. Hitchcock & B. Maguire USA: Wyoming Mountains near Cottonwood Lake, east of Smoo... E. B. Payson & G. M. Armstrong 3718 1923-8-2
GH: 01623807 Stellaria obtusa Engelmann USA: Wyoming Mountains near Cottonwood Lake, east of Smoo... E. B. Payson & G. M. Armstrong 3619 1923-7-28
Celastraceae GH: 01787512 Paxistima myrsinites (Pursh) Rafinesque USA: Wyoming Hills east of Afton E. B. Payson & G. M. Armstrong 1923-6-25
Chenopodiaceae GH: 01783168 Oxybasis glauca (Linnaeus) S. Fuentes, Uotila & Borsch USA: Wyoming Alpine (on the Snake River, near the Idaho b... E. B. Payson & G. M. Armstrong 3433 1923-7-9
Crassulaceae GH: 01991344 Sedum debile S. Watson USA: Wyoming Mt. Wagner, southeast of Smoot E. B. Payson & G. M. Armstrong 3741 1923-8-5
GH: 01991596 Sedum lanceolatum Torrey USA: Wyoming Alpine, on the Snake River, near the Idaho b... E. B. Payson & G. M. Armstrong 3404 1923-7-7
Cyperaceae GH: 02370434 Carex hoodii Boott USA: Wyoming Mt. Wagner, southeast of Smoot E. B. Payson & G. M. Armstrong 3751 1923-8-5
GH: 02391068 Carex interior L. H. Bailey USA: Wyoming Alpine, on the Snake River, near the Idaho b... E. B. Payson & G. M. Armstrong 3504 1923-7-14
GH: 02367761 Carex nardina Fries USA: Wyoming near Cottonwood Lake, east of Smoot E. B. Payson & G. M. Armstrong 3776 1923-8-9
GH: 02395733 Carex neurophora Mackenzie USA: Idaho [data not captured] E. B. Payson & G. M. Armstrong 3535 1923-7-17
Ericaceae GH: 01683684 Pterospora andromedea Nuttall USA: Wyoming Alpine (on the Snake River, near the Idaho b... E. B. Payson & G. M. Armstrong 3489 1923-7-14
GH: 01684443 Pyrola asarifolia Michaux USA: Idaho [data not captured] E. B. Payson & G. M. Armstrong 3413 1923-7-9
GH: 01761181 Pyrola chlorantha Swartz USA: Wyoming Sheep Mountain (Ferry Peak), Snake River Ran... E. B. Payson & G. M. Armstrong 3437 1923-7-11
Fabaceae GH: 02044452 Astragalus flavus Nuttall USA: Wyoming Between Opal and Granger E. B. Payson & G. M. Armstrong 3217 1923-6-19
GH: 02052052 Astragalus jejunus S. Watson USA: Wyoming Between Opal and Kemmerer E. B. Payson & G. M. Armstrong 3222 1923-6-19
GH: 02052167 Astragalus kentrophyta implexus (Canby) Barneby USA: Wyoming Mountains near Cottonwood Lake, east of Smoo... E. B. Payson & G. M. Armstrong 3695 1923-8-2
GH: 02052650 Astragalus leptaleus A. Gray USA: Wyoming Mountains near Cottonwood Lake, east of Smoo... E. B. Payson & G. M. Armstrong 3671 1923-7-31
GH: 02048235 Astragalus purshii Douglas ex Hooker USA: Wyoming 5 miles west of Kemmerer E. B. Payson & G. M. Armstrong 3229 1923-6-20
GH: 01958361 Hedysarum occidentale Greene USA: Idaho Caribou Mountain E. B. Payson & G. M. Armstrong 3538 1923-7-18
GH: 01958415 Hedysarum occidentale Greene USA: Wyoming Mt. Wagner, southeast of Smoot E. B. Payson & G. M. Armstrong 3749 1923-8-5
GH: 01958396 Hedysarum occidentale Greene USA: Wyoming Sheep Mountain (Ferry Peak), Snake River Ran... E. B. Payson & G. M. Armstrong 3448 1923-7-11
GH: 02086486 Lupinus alpestris (A. Nelson) D. B. Dunn & J. M. Gillett USA: Wyoming near Cottonwood Lake, east of Smoot E. B. Payson & G. M. Armstrong 3669 1923-7-31
GH: 02086487 Lupinus alpestris (A. Nelson) D. B. Dunn & J. M. Gillett USA: Wyoming Red Mountain, NE of Smoot E. B. Payson & G. M. Armstrong 3620 1923-7-29
GH: 02085768 Lupinus caespitosus Nuttall ex Torrey & A. Gray USA: Wyoming Mountains near Cottonwood Lake, east of Smoo... E. B. Payson & G. M. Armstrong 3686 1923-7-31
GH: 02085769 Lupinus caespitosus Nuttall ex Torrey & A. Gray USA: Wyoming Mountains near Cottonwood Lake, east of Smoo... E. B. Payson & G. M. Armstrong 3707 1923-8-2
GH: 02176554 Lupinus greenei A. Heller USA: Wyoming Alpine; (on the Snake River, near the Idaho ... E. B. Payson & G. M. Armstrong 3498 1923-7-14
GH: 02128625 Lupinus sericeus Pursh USA: Wyoming Hills east of Afton E. B. Payson & G. M. Armstrong 3317 1923-6-30
GH: 02128622 Lupinus sericeus Pursh USA: Wyoming Alpine, (on the Snake River, near the Idaho ... E. B. Payson & G. M. Armstrong 3408 1923-7-7
GH: 02131347 Oxytropis oreophila A. Gray USA: Wyoming Mountains near Cottonwood Lake, east of Smoo... E. B. Payson & G. M. Armstrong 3783 1923-8-9
GH: 02131347 Oxytropis parryi A. Gray USA: Wyoming Mountains near Cottonwood Lake, east of Smoo... E. B. Payson & G. M. Armstrong 3783 1923-8-9
GH: 02131501 Oxytropis sericea Nuttall USA: Wyoming Between Opal and Kemmerer. E. B. Payson & G. M. Armstrong 3220 1923-6-19
Gentianaceae GH: 02072223 Gentiana algida Pallas USA: Wyoming Above Brooklyn Lake, Medicine Bow Mts. E. B. Payson & G. M. Armstrong 3821 1923-8-25
GH: 02167636 Gentianella amarella heterosepala (Engelmann) J. M. Gillett USA: Wyoming Mountains near Cottonwood Lake, east of Smoo... E. B. Payson & G. M. Armstrong 3765 1923-8-7
GH: 02167634 Gentianella amarella heterosepala (Engelmann) J. M. Gillett USA: Wyoming Mountains near Cottonwood Lake, east of Smoo... E. B. Payson & G. M. Armstrong 3764 1923-8-7
Geraniaceae GH: 01864833 Geranium nervosum Rydberg USA: Wyoming Hills east of Afton E. B. Payson & G. M. Armstrong 1923-7-5
GH: 01864839 Geranium nervosum Rydberg USA: Wyoming Alpine (on the Snake River, near the Idaho b... E. B. Payson & G. M. Armstrong 1923-7-14
Isoetaceae GH: 02074425 Isoetes bolanderi Engelmann USA: Wyoming near Brooklyn Lake, Medicine Bow Mts. E. B. Payson & G. M. Armstrong 3822 1923-8-25
Juncaceae GH: 02102131 Juncus drummondii E. Meyer USA: Idaho [data not captured] E. B. Payson & G. M. Armstrong 3583 1923-7-19
GH: 02400692 Juncus mertensianus Bongard USA: Wyoming Mt. Wagner, southeast of Smoot E. B. Payson & G. M. Armstrong 3729 1923-8-5
GH: 02400951 Juncus nodosus Linnaeus USA: Idaho [data not captured] E. B. Payson & G. M. Armstrong 3415 1923-7-9
GH: 02399364 Juncus parryi Engelmann USA: Wyoming Mt. Wagner, southeast of Smoot E. B. Payson & G. M. Armstrong 3736 1923-8-5
GH: 02398295 Juncus saximontanus A. Nelson USA: Idaho [data not captured] E. B. Payson & G. M. Armstrong 3424 1923-7-9
GH: 02398227 Juncus saximontanus A. Nelson USA: Idaho [data not captured] E. B. Payson & G. M. Armstrong 3536 1923-7-17
GH: 02366444 Luzula parviflora (Ehrhart) Desvaux USA: Wyoming Mt. Wagner, southeast of Smoot E. B. Payson & G. M. Armstrong 3727 1923-8-5
GH: 02366783 Luzula spicata Linnaeus USA: Wyoming Mountains 5 miles east of Afton E. B. Payson & G. M. Armstrong 3363 1923-7-3
Melampsoraceae FH: 00806702 Cronartium comandrae Peck USA: Wyoming on the Snake River, near the Idaho Boundary E. B. Payson & G. M. Armstrong 3607 1923-7-25
FH: 00990800 Melampsorella cerastii (Persoon) J. Schröter USA: Wyoming Mountains near Cottonwood Lake, east of Smoo... E. B. Payson & G. M. Armstrong 3799 1923-8-10
Onagraceae GH: 01625079 Camissonia andina (Nuttall) P. H. Raven USA: Wyoming 21 miles west of Green River E. B. Payson & G. M. Armstrong 3212 1923-6-19
GH: 01625801 Camissonia minor (A. Nelson) P. H. Raven USA: Wyoming 21 miles west of Green River E. B. Payson & G. M. Armstrong 3211 1923-6-19
GH: 01671390 Epilobium clavatum Trelease USA: Wyoming Sheep Mountain (Ferry Peak), Snake River Ran... E. B. Payson & G. M. Armstrong 3441 1923-7-11
GH: 01778705 Gayophytum diffusum parviflorum F.H. Lewis & Szweyk. USA: Wyoming Alpine (on the Snake River, near the Idaho b... E. B. Payson & G. M. Armstrong 3394 1923-7-7
GH: 01778706 Gayophytum diffusum parviflorum F.H. Lewis & Szweyk. USA: Wyoming Alpine (on Snake River, near the Idaho bound... E. B. Payson & G. M. Armstrong 3400 1923-7-7
GH: 01645300 Oenothera caespitosa Nuttall USA: Wyoming 21 miles west of Green River E. B. Payson & G. M. Armstrong 3213 1923-6-19
Orchidaceae GH: 01938424 Corallorhiza maculata occidentalis (Lindley) W. J. Schrenk USA: Wyoming Sheep Mountain (Ferry Peak), Snake River Ran... E. B. Payson & G. M. Armstrong 3439 1923-7-11
GH: 01938714 Corallorhiza striata Lindley USA: Wyoming Mountains near Cottonwood Lake, east of Smoo... E. B. Payson & G. M. Armstrong 3660 1923-7-30
GH: 01939081 Corallorhiza wisteriana Conrad USA: Wyoming Sheep Mountain (Ferry Peak), Snake River Ran... E. B. Payson & G. M. Armstrong 3438 1923-7-11
AMES: 02063541 Platanthera dilatata (Pursh) Lindley ex Beck USA: Idaho Caribou Mountain E. B. Payson & G. M. Armstrong 3534 1923-7-17
AMES: 02045533 Platanthera huronensis (Nuttall) Lindley USA: Idaho Caribou Mountain E. B. Payson & G. M. Armstrong 3542 1923-7-18
AMES: 02045537 Platanthera huronensis (Nuttall) Lindley USA: Idaho on the Snake River, near the Wyoming Boundar... E. B. Payson & G. M. Armstrong 3419 1923-7-9
AMES: 02050382 Platanthera unalascensis (Sprengel) Kurtz USA: Idaho Caribou Mountain E. B. Payson & G. M. Armstrong 3533 1923-7-17
AMES: 02050456 Platanthera unalascensis (Sprengel) Kurtz USA: Wyoming Sheep Mountain (Ferry Peak), Snake River Ran... E. B. Payson & G. M. Armstrong 3480 1923-7-11
Orobanchaceae GH: 01876800 Castilleja flava S. Watson USA: Wyoming east of Afton E. B. Payson & G. M. Armstrong 3277 1923-6-25
GH: 01878360 Castilleja miniata Douglas ex Hooker USA: Wyoming Alpine; on the Snake River, near the Idaho b... E. B. Payson & G. M. Armstrong 3502 1923-7-14
GH: 01878359 Castilleja miniata Douglas ex Hooker USA: Wyoming Red Mountain, northeast of Smoot E. B. Payson & G. M. Armstrong 3650 1923-7-29
GH: 01878963 Castilleja rhexifolia Rydberg USA: Wyoming east of Afton E. B. Payson & G. M. Armstrong 3285 1923-6-27
GH: 01879380 Castilleja sulphurea Rydberg USA: Idaho Alpine Hot Spring (on the Snake River, near ... E. B. Payson & G. M. Armstrong 3412 1923-7-9
GH: 01879425 Castilleja sulphurea Rydberg USA: Wyoming near Cottonwood Lake, east of Smoot E. B. Payson & G. M. Armstrong 3675 1923-7-31
GH: 01879546 Castilleja viscida Rydberg USA: Wyoming east of Afton E. B. Payson & G. M. Armstrong 3286 1923-6-27
GH: 01879545 Castilleja viscida Rydberg USA: Wyoming Red Mountain, northeast of Smoot E. B. Payson & G. M. Armstrong 3653 1923-7-29
GH: 02082382 Orobanche fasciculata Nuttall USA: Wyoming Alpine (on Snake River, near the Idaho bound... E. B. Payson & G. M. Armstrong 3397 1923-7-7
GH: 02081712 Orthocarpus tolmiei Hooker & Arnott USA: Wyoming Red Mountain, northeast of Smoot E. B. Payson & G. M. Armstrong 3651 1923-7-29
GH: 02080471 Pedicularis contorta Bentham USA: Wyoming Sheep Mountain (Ferry Peak), Snake River Ran... E. B. Payson & G. M. Armstrong 3472 1923-7-11
GH: 00091105 Pedicularis paysoniana Pennell USA: Wyoming Mountains near Cottonwood Lake, east of Smoo... E. B. Payson & G. M. Armstrong 3724 1923-8-2
GH: 02078136 Pedicularis racemosa Douglas ex Bentham USA: Wyoming near Cottonwood Lake, east of Smoot E. B. Payson & G. M. Armstrong 3714 1923-8-2
Papaveraceae GH: 01739702 Dicentra uniflora Kellogg USA: Wyoming Mt. 5 miles east of Afton E. B. Payson & G. M. Armstrong 3333 1923-7-3
Pinaceae GH: 01113554 Pseudotsuga menziesii (Mirbel) Franco USA: Wyoming Alpine (on the Snake River, near the Idaho b... E. B. Payson & G. M. Armstrong 3407 1923-7-7
Plantaginaceae GH: 01998882 Collinsia parviflora Lindley USA: Wyoming Hills east of Afton E. B. Payson & G. M. Armstrong 3247 1923-6-24
GH: 02002980 Penstemon caespitosus Nuttall ex A. Gray USA: Wyoming between Granger and Opal E. B. Payson & G. M. Armstrong 3214 1923-6-19
GH: 02118281 Penstemon cleburnei M. E. Jones USA: Wyoming 20 miles west of Green River E. B. Payson & G. M. Armstrong 3204 1923-6-19
GH: 02118640 Penstemon cyananthus Hooker USA: Wyoming Alpine; (on the Snake River, near the Idaho ... E. B. Payson & G. M. Armstrong 3379 1923-7-7
GH: 02118915 Penstemon deustus Douglas USA: Wyoming Alpine, (on the Snake River, near the Idaho ... E. B. Payson & G. M. Armstrong 3383 1923-7-7
GH: 02120505 Penstemon humilis Nuttall ex A. Gray USA: Wyoming 5 miles west of Kemmerer. E. B. Payson & G. M. Armstrong 3230 1923-6-20
GH: 02120504 Penstemon humilis Nuttall ex A. Gray USA: Wyoming Hills east of Afton E. B. Payson & G. M. Armstrong 3248 1923-6-24
GH: 02120503 Penstemon humilis Nuttall ex A. Gray USA: Wyoming upper slopes Sheep Mountain (Ferry Peak), Sn... E. B. Payson & G. M. Armstrong 3481 1923-7-11
GH: 02121049 Penstemon montanus Greene USA: Idaho [data not captured] E. B. Payson & G. M. Armstrong 3547 1923-7-19
GH: 02121631 Penstemon paysoniorum D. D. Keck USA: Wyoming Between Opal and Kemmerer. E. B. Payson & G. M. Armstrong 3221 1923-6-19
GH: 02121769 Penstemon procerus Douglas ex Graham USA: Idaho [data not captured] E. B. Payson & G. M. Armstrong 3592 1923-7-22
GH: 02122068 Penstemon radicosus A. Nelson USA: Idaho [data not captured] E. B. Payson & G. M. Armstrong 3577 1923-7-19
GH: 02122054 Penstemon radicosus A. Nelson USA: Wyoming Hills east of Afton E. B. Payson & G. M. Armstrong 3239 1923-6-24
GH: 02122372 Penstemon rydbergii aggregatus (Pennell) N. H. Holmgren USA: Wyoming Alpine; (on the Snake River, near the Idaho ... E. B. Payson & G. M. Armstrong 3487 1923-7-13
GH: 02122370 Penstemon rydbergii aggregatus (Pennell) N. H. Holmgren USA: Wyoming Mt. Wagner, southeast of Smoot E. B. Payson & G. M. Armstrong 3746 1923-8-5
GH: 02122354 Penstemon rydbergii aggregatus (Pennell) N. H. Holmgren USA: Idaho [data not captured] E. B. Payson & G. M. Armstrong 3593 1923-7-22
GH: 02122857 Penstemon subglaber Rydberg USA: Wyoming Exposed ridge; Red Mountain, northeast of Sm... E. B. Payson & G. M. Armstrong 3627 1923-7-29
GH: 02122854 Penstemon subglaber Rydberg USA: Wyoming upper slopes; Sheep Mountain (Ferry Peak), S... E. B. Payson & G. M. Armstrong 3465 1923-7-11
GH: 02122851 Penstemon subglaber Rydberg USA: Wyoming Mountains near Cottonwood Lake, east of Smoo... E. B. Payson & G. M. Armstrong 3615 1923-7-28
GH: 01801458 Penstemon whippleanus A. Gray USA: Idaho [data not captured] E. B. Payson & G. M. Armstrong 3524 1923-7-17
GH: 01801509 Penstemon whippleanus A. Gray USA: Wyoming Mountains near Cottonwood Lake, east of Smoo... E. B. Payson & G. M. Armstrong 3661 1923-7-31
GH: 01804034 Plantago tweedyi A. Gray USA: Wyoming Mt. Wagner, southeast of Smoot E. B. Payson & G. M. Armstrong 3731 1923-8-5
GH: 00091799 Synthyris paysonii Pennell & L. O. Williams USA: Wyoming Sheep Mountain (Ferry Peak), Snake River Ran... E. B. Payson & G. M. Armstrong 3453 1923-7-11
Polemoniaceae GH: 01000390 Aliciella leptomeria (A. Gray) J. M. Porter USA: Wyoming 21 miles west of Green River E. B. Payson & G. M. Armstrong 3210 1923-6-19
GH: 01092014 Collomia debilis (S. Watson) Greene USA: Wyoming Red Mountain, northeast of Smoot E. B. Payson & G. M. Armstrong 3639 1923-7-29
GH: 01092015 Collomia debilis (S. Watson) Greene USA: Wyoming Hills east of Afton E. B. Payson & G. M. Armstrong 3300 1923-6-28
GH: 01092016 Collomia debilis (S. Watson) Greene USA: Wyoming Alpine (on the Snake River, near the Idaho b... E. B. Payson & G. M. Armstrong 3610 1923-7-25
GH: 00985167 Ipomopsis aggregata (Pursh) V. E. Grant USA: Idaho Caribou Mountain E. B. Payson & G. M. Armstrong 3552 1923-7-19
GH: 00985314 Ipomopsis aggregata (Pursh) V. E. Grant USA: Wyoming Alpine (on the Snake River, near the Idaho b... E. B. Payson & G. M. Armstrong 3380 1923-7-7
GH: 01104501 Lathrocasis tenerrima (A. Gray) L. A. Johnson USA: Wyoming Hills east of Afton E. B. Payson & G. M. Armstrong 3244 1923-6-24
GH: 01105722 Leptosiphon nuttallii (A. Gray) J. M. Porter & L. A. Johnson USA: Wyoming Sheep Mountain (Ferry Peak), Snake River Ran... E. B. Payson & G. M. Armstrong 3458 1923-7-11
GH: 01571603 Phlox diffusa scleranthifolia (Rydberg) Wherry USA: Wyoming Sheep Mountain (Ferry Peak), Snake River Ran... E. B. Payson & G. M. Armstrong 3471 1923-7-11
GH: 01574513 Phlox longifolia calva Wherry USA: Wyoming Mountains near Cottonwood Lake, east of Smoo... E. B. Payson & G. M. Armstrong 3699 1923-8-2
GH: 01574516 Phlox longifolia calva Wherry USA: Wyoming Mountains 5 miles east of Afton E. B. Payson & G. M. Armstrong 3362 1923-7-3
GH: 01694409 Polemonium foliosissimum A. Gray USA: Wyoming Hills east of Afton E. B. Payson & G. M. Armstrong 3377 1923-7-5
GH: 01717084 Polemonium viscosum Nuttall USA: Wyoming Mt. Wagner, southeast of Smoot E. B. Payson & G. M. Armstrong 3737 1923-8-5
Polygonaceae GH: 02346383 Bistorta bistortoides (Pursh) Small USA: Idaho [data not captured] E. B. Payson & G. M. Armstrong 3546 1923-7-19
GH: 01618542 Eriogonum brevicaule laxifolium (Torrey & A. Gray) Reveal USA: Wyoming Sheep Mountain (Ferry Peak), Snake River Ran... E. B. Payson & G. M. Armstrong 3482 1923-7-11
GH: 01652898 Eriogonum heracleoides Nuttall USA: Idaho Caribou Mountain E. B. Payson & G. M. Armstrong 3602 1923-7-22
GH: 01986620 Eriogonum ovalifolium Nuttall USA: Wyoming Mt. Wagner, southeast of Smoot E. B. Payson & G. M. Armstrong 3740 1923-8-5
GH: 01986632 Eriogonum ovalifolium Nuttall USA: Wyoming Hills east of Afton E. B. Payson & G. M. Armstrong 3261 1923-6-24
GH: 02043717 Eriogonum umbellatum majus Bentham USA: Wyoming Hills east of Afton E. B. Payson & G. M. Armstrong 3319 1923-6-30
GH: 02043637 Eriogonum umbellatum majus Bentham USA: Idaho [data not captured] E. B. Payson & G. M. Armstrong 3551 1923-7-19
GH: 02364056 Oxyria digyna (Linnaeus) Hill USA: Wyoming Mountains near Cottonwood Lake, east of Smoo... E. B. Payson & G. M. Armstrong 3807 1923-8-13
GH: 02364054 Oxyria digyna (Linnaeus) Hill USA: Wyoming Mountains 5 miles east of Afton E. B. Payson & G. M. Armstrong 3343 1923-7-3
GH: 02346471 Polygonum bistortoides Pursh USA: Wyoming at summit Red Mountain, northeast of Smoot E. B. Payson & G. M. Armstrong 3628 1923-7-29
GH: 02004706 Stenogonum salsuginosum Nuttall USA: Wyoming Between Opal and Granger. E. B. Payson & G. M. Armstrong 3216 1923-6-19
Portulacaceae GH: 01858814 Claytonia lanceolata Pursh USA: Wyoming Hills east of Afton E. B. Payson & G. M. Armstrong 3291 1923-6-27
GH: 01858815 Claytonia lanceolata Pursh USA: Wyoming Mountains near Cottonwood Lake, east of Smoo... E. B. Payson & G. M. Armstrong 3677 1923-7-31
GH: 01859827 Lewisia pygmaea (A. Gray) B. L. Robinson USA: Wyoming Mountains near Cottonwood Lake, east of Smoo... E. B. Payson & G. M. Armstrong 3689 1923-7-31
Primulaceae GH: 01942811 Androsace septentrionalis subumbellata A. Nelson USA: Wyoming Mountains 5 miles east of Afton E. B. Payson & G. M. Armstrong 3345 1923-7-3
GH: 01942810 Androsace septentrionalis subumbellata A. Nelson USA: Wyoming Red Mountain, northeast of Smoot E. B. Payson & G. M. Armstrong 3646 1923-7-29
GH: 01942811 Androsace septentrionalis puberulenta (Rydberg) Knuth USA: Wyoming Mountains 5 miles east of Afton E. B. Payson & G. M. Armstrong 3345 1923-7-3
GH: 01922810 Dodecatheon pulchellum (Rafinesque) Merrill USA: Wyoming Mt. Wagner, southeast of Smoot E. B. Payson & G. M. Armstrong 3732 1923-8-5
GH: 01926331 Primula parryi A. Gray USA: Wyoming Red Mountain, northeast of Smoot E. B. Payson & G. M. Armstrong 3625 1923-7-29
Pucciniaceae FH: 00940688 Puccinia abundans (Peck) H. S. Jackson USA: Wyoming Afton, Lincoln Co., Wyo. E. B. Payson & G. M. Armstrong 3254 1923-6-24
FH: 00940730 Puccinia acrophila Peck USA: Wyoming Mountians near Cottonwood Lake, east of Smoo... E. B. Payson & G. M. Armstrong 3721 1923-8-2
FH: 00950480 Puccinia eriophylli H. S. Jackson USA: Wyoming Alpine, Lincoln County (on the Snake River, ... E. B. Payson & G. M. Armstrong 3391 1923-7-7
FH: 00955552 Puccinia grindeliae Peck USA: Wyoming Rawlins E. B. Payson & G. M. Armstrong 3201 1923-6-18
FH: 01001583 Puccinia holboellii (Hornemann) Rostrup USA: Wyoming Sheep Mt. E. B. Payson & G. M. Armstrong 3447 1923-7-11
FH: 01001934 Puccinia jonesii Peck USA: Wyoming Alpine, Lincoln County (on the Snake River n... E. B. Payson & G. M. Armstrong 3402 1923-7-7
FH: 01001936 Puccinia jonesii Peck USA: Wyoming Hills east of Afton E. B. Payson & G. M. Armstrong 3240 1923-6-24
FH: 00782067 Puccinia leveillei Montagne USA: Wyoming Afton E. B. Payson & G. M. Armstrong 2255 1923-7-3
FH: 00782069 Puccinia leveillei Montagne USA: Wyoming Mountains 5 miles east of Afton E. B. Payson & G. M. Armstrong 3355 1923-7-3
FH: 00782098 Puccinia ligustici Ellis & Everhart USA: Wyoming Mountains near Cottonwood Lake, east of Smoo... E. B. Payson & G. M. Armstrong 3815 1923-8-13
FH: 01129553 Puccinia plumbaria Peck USA: Wyoming Sheep Mt. E. B. Payson & G. M. Armstrong 3476 1923-7-11
FH: 00951671 Puccinia treleasiana Pazschke USA: Wyoming Mts. East of Smoot E. B. Payson & G. M. Armstrong 3685 1923-7-31
Ranunculaceae GH: 01706176 Actaea rubra (Aiton) Willdenow USA: Wyoming Hills east of Afton E. B. Payson & G. M. Armstrong 3309 1923-6-28
GH: 01707005 Anemone multifida Poiret USA: Wyoming Mountains near Cottonwood Lake, east of Smoo... E. B. Payson & G. M. Armstrong 3810 1923-8-13
GH: 01708505 Anemone multifida Poiret USA: Wyoming Mt. Wagner, southeast of Smoot E. B. Payson & G. M. Armstrong 3738 1923-8-5
GH: 01708506 Anemone multifida Poiret USA: Wyoming Mountains near Cottonwood Lake, east of Smoo... E. B. Payson & G. M. Armstrong 3794 1923-8-9
GH: 01708513 Anemone multifida Poiret USA: Wyoming Mountains near Cottonwood Lake, east of Smoo... E. B. Payson & G. M. Armstrong 3709 1923-8-2
GH: 01708514 Anemone multifida Poiret USA: Wyoming upper slopes Sheep Mountain (Ferry Peak), Sn... E. B. Payson & G. M. Armstrong 3464 1923-7-11
GH: 01708517 Anemone multifida Poiret USA: Wyoming Hills east of Afton E. B. Payson & G. M. Armstrong 3265 1923-6-25
GH: 01708518 Anemone multifida Poiret USA: Wyoming 5 miles east of Afton E. B. Payson & G. M. Armstrong 3336 1923-7-3
GH: 01709055 Aquilegia coerulea ochroleuca Hooker USA: Wyoming Hills east of Afton E. B. Payson & G. M. Armstrong 3262 1923-6-25
GH: 01710171 Caltha leptosepala de Candolle USA: Wyoming Mountains near Cottonwood Lake, east of Smoo... E. B. Payson & G. M. Armstrong 3676 1923-7-31
GH: 01656319 Clematis columbiana (Nuttall) Torrey & A. Gray USA: Wyoming Hills east of Afton E. B. Payson & G. M. Armstrong 3287 1923-6-27
GH: 01659109 Delphinium glaucum S. Watson USA: Idaho Caribou Mountain E. B. Payson & G. M. Armstrong 3588 1923-7-22
GH: 01659391 Delphinium menziesii de Candolle USA: Wyoming Hills east of Afton E. B. Payson & G. M. Armstrong 3281 1923-6-27
GH: 01659668 Delphinium occidentale (S. Watson) S. Watson USA: Wyoming Mountains near Cottonwood Lake, east of Smoo... E. B. Payson & G. M. Armstrong 3701 1923-8-2
GH: 01662463 Ranunculus adoneus A. Gray USA: Wyoming Mountains 5 miles east of Afton E. B. Payson & G. M. Armstrong 3347 1923-7-3
GH: 01662464 Ranunculus adoneus A. Gray USA: Wyoming Mountains near Cottonwood Lake, east of Smoo... E. B. Payson & G. M. Armstrong 3715 1923-8-2
GH: 01662610 Ranunculus alismifolius montanus S. Watson USA: Wyoming Mountains near Cottonwood Lake, east of Smoo... E. B. Payson & G. M. Armstrong 3682 1923-7-31
GH: 01663628 Ranunculus eschscholtzii Schlechtendal USA: Wyoming Mt. Wagner, southeast of Smoot E. B. Payson & G. M. Armstrong 3750 1923-8-5
GH: 01665555 Ranunculus jovis A. Nelson USA: Wyoming Sheep Mountain (Ferry Peak), Snake River Ran... E. B. Payson & G. M. Armstrong 3444 1923-7-11
GH: 01838485 Ranunculus uncinatus parviflorus (Torrey) L. D. Benson USA: Wyoming Hills east of Afton E. B. Payson & G. M. Armstrong 3375 1923-7-5
GH: 01839049 Thalictrum fendleri Engelmann ex A. Gray USA: Wyoming Wolf Creek. Alpine, (on the Snake River, nea... E. B. Payson & G. M. Armstrong 3603 1923-7-25
Rosaceae GH: 01726641 Amelanchier alnifolia (Nuttall) Nuttall ex M. Roemer USA: Wyoming Hills east of Afton E. B. Payson & G. M. Armstrong 3272 1923-6-25
GH: 01587254 Cercocarpus ledifolius Nuttall USA: Wyoming Hills east of Afton E. B. Payson & G. M. Armstrong 3250 1923-6-24
GH: 01587255 Cercocarpus ledifolius Nuttall USA: Wyoming Hills east of Afton E. B. Payson & G. M. Armstrong 3772 1923-8-8
GH: 01608166 Dasiphora fruticosa (Linnaeus) Rydberg USA: Wyoming Mountains near Cottonwood Lake, east of Smoo... E. B. Payson & G. M. Armstrong 3780 1923-8-9
GH: 01608420 Drymocallis fissa (Nuttall) Rydberg USA: Idaho Caribou Mountain E. B. Payson & G. M. Armstrong 3514 1923-7-17
GH: 01608437 Drymocallis fissa (Nuttall) Rydberg USA: Wyoming Sheep Mountain (Ferry Peak), Snake River Ran... E. B. Payson & G. M. Armstrong 3456 1923-7-11
GH: 01608587 Drymocallis glandulosa (Lindley) Rydberg USA: Wyoming Hills east of Afton E. B. Payson & G. M. Armstrong 3378 1923-7-5
GH: 01608806 Fragaria virginiana platypetala (Rydberg) Staudt USA: Wyoming Hills east of Afton E. B. Payson & G. M. Armstrong 3305 1923-6-28
GH: 01609981 Geum macrophyllum perincisum (Rydberg) Raup USA: Wyoming Hills east of Afton E. B. Payson & G. M. Armstrong 3376 1923-7-5
GH: 01610293 Geum rossii turbinatum (Rydberg) C. L. Hitchcock USA: Wyoming Mountains 5 miles east of Afton E. B. Payson & G. M. Armstrong 3348 1923-7-3
GH: 01566064 Ivesia gordonii wasatchensis N. H. Holmgren ex Ertter & Reveal USA: Wyoming Sheep Mountain (Ferry Peak), Snake River Ran... E. B. Payson & G. M. Armstrong 3467 1923-7-11
GH: 01566066 Ivesia gordonii wasatchensis N. H. Holmgren ex Ertter & Reveal USA: Wyoming Red Mountain, northeast of Smoot E. B. Payson & G. M. Armstrong 3640 1923-7-29
GH: 01590502 Physocarpus malvaceus (Greene) Kuntze USA: Wyoming Hills east of Afton E. B. Payson & G. M. Armstrong 3237 1923-6-24
GH: 01567796 Potentilla glaucophylla Lehmann USA: Wyoming Mountains near Cottonwood Lake, east of Smoo... E. B. Payson & G. M. Armstrong 3712 1923-8-2
GH: 01567797 Potentilla glaucophylla Lehmann USA: Wyoming Mountains 5 miles east of Afton E. B. Payson & G. M. Armstrong 3342 1923-7-3
GH: 01569603 Potentilla ovina Macoun USA: Wyoming Sheep Mountain (Ferry Peak), Snake River Ran... E. B. Payson & G. M. Armstrong 1923-7-11
GH: 01569608 Potentilla ovina Macoun USA: Wyoming Sheep Mountain (Ferry Peak), Snake River Ran... E. B. Payson & G. M. Armstrong 3459 1923-7-11
GH: 01569609 Potentilla ovina Macoun USA: Wyoming Mountains near Cottonwood Lake, east of Smoo... E. B. Payson & G. M. Armstrong 3716 1923-8-2
GH: 01725939 Prunus virginiana demissa (Nuttall) Torrey USA: Wyoming Hills east of Afton E. B. Payson & G. M. Armstrong 3251 1923-6-24
GH: 01601768 Rosa woodsii ultramontana (S. Watson) Jepson USA: Wyoming Alpine (on the Snake River, near the Idaho b... E. B. Payson & G. M. Armstrong 3608 1923-7-25
GH: 01863205 Sorbus scopulina Greene USA: Wyoming Hills east of Afton E. B. Payson & G. M. Armstrong 3267 1923-6-25
GH: 01589362 Spiraea betulifolia lucida (Douglas ex Hooker) C. L. Hitchcock USA: Wyoming Alpine (on the Snake River, near the Idaho b... E. B. Payson & G. M. Armstrong 3381 1923-7-7
Rubiaceae GH: 02359183 Galium aparine Linnaeus USA: Wyoming Hills east of Afton E. B. Payson & G. M. Armstrong 3301 1923-6-28
GH: 02358640 Galium bifolium S. Watson USA: Wyoming Hills east of Afton E. B. Payson & G. M. Armstrong 3260 1923-6-24
GH: 02140013 Galium trifidum subbiflorum (Wiegand) Puff (Wiegand) Puff USA: Idaho [data not captured] E. B. Payson & G. M. Armstrong 3417 1923-7-9
Saxifragaceae GH: 01735648 Heuchera parvifolia utahensis (Rydberg) Garrett USA: Wyoming Hills east of Afton E. B. Payson & G. M. Armstrong 3235 1923-6-24
GH: 01711335 Lithophragma parviflorum (Hooker) Nuttall USA: Wyoming Hills east of Afton E. B. Payson & G. M. Armstrong 3303 1923-6-28
GH: 01712462 Micranthes rhomboidea (Greene) Small USA: Wyoming Red Mountain, northeast of Smoot E. B. Payson & G. M. Armstrong 3624 1923-7-29
GH: 01712463 Micranthes rhomboidea (Greene) Small USA: Wyoming Mountains 5 miles east of Afton E. B. Payson & G. M. Armstrong 3361 1923-7-3
GH: 01616504 Mitella stauropetala Piper USA: Wyoming Hills east of Afton E. B. Payson & G. M. Armstrong 3292 1923-6-27
GH: 01886175 Ribes hudsonianum petiolare (Douglas) Janczewski USA: Wyoming Hills east of Afton E. B. Payson & G. M. Armstrong 3290 1923-6-27
GH: 01886796 Ribes lacustre Poiret USA: Wyoming Hills east of Afton E. B. Payson & G. M. Armstrong 3295 1923-6-27
GH: 01887340 Ribes montigenum McClatchie USA: Wyoming Mountains 5 miles east of Afton E. B. Payson & G. M. Armstrong 3351 1923-7-3
GH: 01626468 Ribes viscosissimum Pursh USA: Wyoming Hills east of Afton E. B. Payson & G. M. Armstrong 3289 1923-6-27
GH: 01616599 Saxifraga adscendens Linnaeus USA: Wyoming near Cottonwood Lake, east of Smoot E. B. Payson & G. M. Armstrong 3681 1923-7-31
GH: 01619036 Saxifraga arguta D. Don USA: Wyoming Mountains near Cottonwood Lake, east of Smoo... E. B. Payson & G. M. Armstrong 3811 1923-8-13
GH: 01619713 Saxifraga cespitosa Linnaeus USA: Wyoming Mountains near Cottonwood Lake, east of Smoo... E. B. Payson & G. M. Armstrong 3777 1923-8-9
GH: 01631216 Saxifraga rivularis Linnaeus USA: Wyoming Mountains near Cottonwood Lake, east of Smoo... E. B. Payson & G. M. Armstrong 3703 1923-8-2
Scrophulariaceae GH: 01841773 Erythranthe guttata (de Candolle) G. L. Nesom USA: Idaho Caribou MOuntain E. B. Payson & G. M. Armstrong 3540 1923-7-18
GH: 01842109 Erythranthe lewisii (Pursh) G. L. Nesom & N. S. Fraga USA: Idaho Caribou Mountain E. B. Payson & G. M. Armstrong 3517 1923-7-17
Thelephoraceae FH: 00585069 Hymenochaete tabacina (Sowerby) Léveillé: Fries USA: Wyoming [data not captured] E. B. Payson & G. M. Armstrong s.n. 1923-6-27
Violaceae GH: 02144869 Viola adunca Smith USA: Wyoming Red Mountain, northeast of Smoot E. B. Payson & G. M. Armstrong 3656 1923-7-29
GH: 02144868 Viola adunca Smith USA: Wyoming 5 miles east of Afton E. B. Payson & G. M. Armstrong 3338 1923-7-3
GH: 02144865 Viola adunca Smith USA: Wyoming Hills east of Afton E. B. Payson & G. M. Armstrong 3276 1923-6-25
GH: 02145898 Viola canadensis Linnaeus USA: Wyoming Hills east of Afton E. B. Payson & G. M. Armstrong 3263 1923-6-25
GH: 02208780 Viola praemorsa linguifolia (Nuttall) M. S. Baker USA: Wyoming Mountains 5 miles east of Afton E. B. Payson & G. M. Armstrong 3352 1923-7-3
GH: 02208779 Viola praemorsa linguifolia (Nuttall) M. S. Baker USA: Wyoming Hills east of Afton E. B. Payson & G. M. Armstrong 3288 1923-6-27
GH: 02208777 Viola praemorsa linguifolia (Nuttall) M. S. Baker USA: Wyoming Red Mountain, northeast of Smoot E. B. Payson & G. M. Armstrong 3647 1923-7-29
GH: 02209535 Viola purpurea venosa (S. Watson) Brainerd USA: Wyoming Mountains 5 miles east of Afton E. B. Payson & G. M. Armstrong 3349 1923-7-3