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Index of Botanical Specimens
Search for collectorid:[39952] and year collected:[1920]
= with images
Asteraceae
GH: 02140825
Agoseris agrestis
Osterhout USA: Colorado Evergreen Conifer I. W. Clokey 3974 1920-7-25
GH: 00968951
Artemisia filifolia
Torrey USA: Colorado Denver: [no additional data] I. W. Clokey 1920-9-4
GH: 00988468
Artemisia ludoviciana
Nuttall USA: Colorado Estes Park: [no additional data] I. W. Clokey 1920-9-14
GH: 01923083
Brickellia californica
(Torrey & A. Gray) A. Gray USA: Colorado S. St. Vrain Canon, I. W. Clokey 3879 1920-9-18
GH: 01923397
Brickellia eupatorioides corymbulosa
(Torrey & A. Gray) Shinners USA: Colorado Arvada I. W. Clokey 3878 1920-8-26
GH: 02216625
Chrysothamnus viscidiflorus lanceolatus
(Nuttall) H. M. Hall & Clements USA: Colorado Estes Park I. W. Clokey 3892 1920-9-14
GH: 02142886
Crepis runcinata
Torrey & A. Gray USA: Colorado Tolland I. W. Clokey 3973 1920-7-14
GH: 02203494
Dieteria bigelovii
(A. Gray) D. R. Morgan & R. L. Hartman USA: Colorado Waldorf I. W. Clokey 3912 1920-8-16
GH: 02203493
Dieteria bigelovii
(A. Gray) D. R. Morgan & R. L. Hartman USA: Colorado Empire I. W. Clokey 3914 1920-8-11
GH: 02203486
Dieteria bigelovii
(A. Gray) D. R. Morgan & R. L. Hartman USA: Colorado Divide - Cripple Creek I. W. Clokey 3913 1920-8-2
GH: 02205315
Ericameria discoidea
(Nuttall) G. L. Nesom USA: Colorado Colorado Central Mine I. W. Clokey 3895 1920-8-16
GH: 02205480
Ericameria nauseosa
(Pallas ex Pursh) G. L. Nesom & G. I. Baird USA: Colorado Denver: [no additional data] I. W. Clokey 3891 1920-9-7
GH: 02205479
Ericameria nauseosa
(Pallas ex Pursh) G. L. Nesom & G. I. Baird USA: Colorado Lyons-Boulder I. W. Clokey 1920-9-18
GH: 02206311
Erigeron compositus
Pursh USA: Colorado Molhurst I. W. Clokey 3935 1920-6-15
GH: 02206865
Erigeron divergens
Torrey & A. Gray USA: Colorado Denver: [no additional data] I. W. Clokey 3933 1920-6-24
GH: 02348217
Erigeron eximius
Greene USA: Colorado Glacier Creek, Estes Park I. W. Clokey 3923 1920-9-15
GH: 02348374
Erigeron flagellaris
A. Gray USA: Colorado Marrison I. W. Clokey 3940 1920-6-27
GH: 02348352
Erigeron flagellaris
A. Gray USA: Colorado Morrison I. W. Clokey 3939 1920-6-27
GH: 02348629
Erigeron formosissimus viscidus
(Rydberg) Cronquist USA: Colorado Cripple Creek [Verbatim transcription of his... I. W. Clokey 3925 1920-8-1
GH: 02351385
Erigeron speciosus
de Candolle USA: Colorado Tolland I. W. Clokey 3916 1920-7-15
GH: 02203946
Heterotheca fulcrata
(Greene) Shinners USA: Colorado Divide - Cripple Creek I. W. Clokey 3886 1920-8-2
GH: 02203971
Heterotheca fulcrata amplifolia
(Rydberg) Semple USA: Colorado [no additional data] I. W. Clokey 3885 1920-7-25
GH: 02204574
Heterotheca villosa foliosa
(Nuttall) Harms USA: Colorado Denver: [no additional data] I. W. Clokey 3884 1920-8-21
GH: 02204764
Heterotheca villosa nana
(A. Gray) Semple USA: Colorado Denver: [no additional data] I. W. Clokey 3882 1920-8-21
GH: 02204765
Heterotheca villosa nana
(A. Gray) Semple USA: Colorado Denver: [no additional data] I. W. Clokey 3883 1920-8-21
GH: 00013143
Townsendia hookeri
Beaman USA: Colorado Mount Vernon Canyon I. W. Clokey 4338 1920-4-13
Boraginaceae
GH: 01997435
Mertensia alpina
(Torrey) G. Don USA: Colorado Pike's Peak I. W. Clokey 3849 1920-8-30
GH: 02058021
Mertensia lanceolata
(Pursh) de Candolle USA: Colorado Victor I. W. Clokey 1920-7-3
GH: 01997994
Mertensia lanceolata
(Pursh) de Candolle USA: Colorado Victor I. W. Clokey 3852 1920-7-3
GH: 02058034
Mertensia lanceolata
(Pursh) de Candolle USA: Colorado [no additional data] I. W. Clokey 3847 1920-6-12
GH: 02058070
Mertensia lanceolata
(Pursh) de Candolle USA: Colorado Tolland I. W. Clokey 3853 1920-7-15
GH: 02058278
Mertensia lanceolata secundorum
Cockerell USA: Colorado [no additional data] I. W. Clokey 3847 1920-6-12
GH: 02058142
Mertensia lanceolata nivalis
(S. Watson) L. C. Higgins USA: Colorado Waldorf I. W. Clokey 3848 1920-8-13
GH: 02058183
Mertensia lanceolata nivalis
(S. Watson) L. C. Higgins USA: Colorado Mt. McClellan I. W. Clokey 3851 1920-8-14
Brassicaceae
GH: 01153932
Boechera fendleri
(S. Watson) W. A. Weber USA: Colorado Wolhurst I. W. Clokey 3785 1920-5-15
GH: 01153935
Boechera fendleri
(S. Watson) W. A. Weber USA: Colorado Wolhurst I. W. Clokey 3785 1920-5-15
GH: 01155199
Camelina microcarpa
Andrzejowski ex de Candolle USA: Colorado Morrison I. W. Clokey 3779 1920-5-29
GH: 00992132
Draba streptocarpa
A. Gray USA: Colorado Cripple Creek I. W. Clokey 3780 1920-7-3
Caryophyllaceae
GH: 01753386
Silene scouleri hallii
(S. Watson) C. L. Hitchcock & B. Maguire USA: Colorado Waldorf I. W. Clokey 3761 1920-8-14
Cyperaceae
GH: 02503248
Carex brevipes
W. Boott ex B. D. Jackson USA: Colorado Woldorf I. W. Clokey 3709 1920-8-15
GH: 02503248
Carex deflexa boottii
L. H. Bailey USA: Colorado Woldorf I. W. Clokey 3709 1920-8-15
GH: 02394531
Carex disperma
Dewey USA: Colorado Divide-Cripple Creek I. W. Clokey 3690 1920-7-3
GH: 02368662
Carex douglasii
Boott USA: Colorado Cripple Creek I. W. Clokey 3665 1920-8-1
GH: 02368410
Carex micropoda
C. A. Meyer USA: Colorado Waldorf I. W. Clokey 3657 1920-8-15
GH: 02368407
Carex micropoda
C. A. Meyer USA: Colorado Loch Vale, Estes Park I. W. Clokey 3656 1920-9-16
GH: 02368293
Carex nigricans
C. A. Meyer USA: Colorado Loch Vale, Estes Park I. W. Clokey 3661 1920-9-16
GH: 02368292
Carex nigricans
C. A. Meyer USA: Colorado Waldorf I. W. Clokey 3660 1920-8-15
GH: 02368478
Carex perglobosa
Mackenzie USA: Colorado Mt. McClellan I. W. Clokey 3664 1920-8-14
GH: 02368959
Carex simulata
Mackenzie USA: Colorado Colorado Central Mine I. W. Clokey 3666 1920-8-11
GH: 02395895
Carex stipata
Muhlenberg ex Willdenow USA: Colorado Wolhurst I. W. Clokey 3668 1920-7-8
GH: 02368456
Carex vernacula
L. H. Bailey USA: Colorado Waldorf I. W. Clokey 3663 1920-8-13
GH: 00027886
Kobresia macrocarpa
Clokey USA: Colorado Pike's Peak, alt. 3950 m I. W. Clokey 3651 1920-8-30
GH: 00027887
Kobresia macrocarpa
Clokey USA: Colorado Pike's Peak, alt. 3950 m I. W. Clokey 3651 1920-8-30
Fabaceae
GH: 01967852
Amorpha fruticosa
Linnaeus USA: Colorado Wolhurst I. W. Clokey 3802 1920-7-8
GH: 02064663
Astragalus bisulcatus
(Hooker) A. Gray USA: Colorado Denver: [no additional data] I. W. Clokey 3804 1920-6-24
GH: 02064678
Astragalus bisulcatus
(Hooker) A. Gray USA: Colorado Denver: [no additional data] I. W. Clokey 3805 1920-6-24
GH: 02049039
Astragalus miser oblongifolius
(Rydberg) Cronquist USA: Colorado Evergreen-Conifer I. W. Clokey 3808 1920-7-22
GH: 02149284
Lathyrus leucanthus
Rydberg USA: Colorado Bear Creek Canon I. W. Clokey 3813 1920-6-12
GH: 02086431
Lupinus alpestris
(A. Nelson) D. B. Dunn & J. M. Gillett USA: Colorado [no additional data] I. W. Clokey 3800 1920-7-25
GH: 02085063
Lupinus argenteus
Pursh USA: Colorado [no additional data] I. W. Clokey 3799 1920-7-25
GH: 02131410
Oxytropis sericea
Nuttall USA: Colorado Divide I. W. Clokey 3809 1920-7-1
GH: 01126077
Oxytropis sericea
Nuttall USA: Colorado [no additional data] I. W. Clokey 3809 1920-7-30
GH: 02345248
Vicia americana minor
Hooker USA: Colorado Morrison I. W. Clokey 3811 1920-5-29
Gentianaceae
GH: 02069512
Eustoma russellianum
G. Don USA: Colorado Arvada, Jefferson Co. I. W. Clokey 3831 1920-8-28
GH: 02069941
Gentiana affinis
Grisebach USA: Colorado Cascade, El Paso Co. I. W. Clokey 3834 1920-8-30
GH: 02072862
Gentiana parryi
Engelmann USA: Colorado Estes Park-Long's Peak Inn I. W. Clokey 3835 1920-9-17
Hydrangeaceae
GH: 01737865
Philadelphus microphyllus
A. Gray USA: Colorado Top of Royal Gorge I. W. Clokey 3791 1920-7-2
Juncaceae
GH: 02366343
Luzula parviflora
(Ehrhart) Desvaux USA: Colorado Loch Vale, Estes Park I. W. Clokey 3742 1920-9-16
Lamiaceae
GH: 01599079
Monarda fistulosa menthifolia
(Graham) Fernald USA: Colorado Bergen Park I. W. Clokey 3859 1920-8-16
Lobeliaceae
GH: 01798883
Lobelia siphilitica
Linnaeus USA: Colorado Arvada Junction I. W. Clokey 3877 1920-8-28
Onagraceae
GH: 01624840
Calylophus serrulatus
(Nuttall) P. H. Raven USA: Colorado Wolhurst I. W. Clokey 3827 1920-7-8
Orchidaceae
AMES: 02063162
Platanthera dilatata albiflora
(Chamisso) Ledebour USA: Colorado Tolland I. W. Clokey 3749 1920-7-14
AMES: 02050007
Platanthera purpurascens
(Rydberg) Sheviak & W. F. Jennings USA: Colorado Wolhurst I. W. Clokey 3748 1920-7-8
Orobanchaceae
GH: 02034794
Agalinis tenuifolia parviflora
(Nuttall) Pennell USA: Colorado Arvada Junction I. W. Clokey 3870 1920-8-28
GH: 01878062
Castilleja miniata
Douglas ex Hooker USA: Colorado [no additional data] I. W. Clokey 3873 1920-7-25
GH: 01878901
Castilleja rhexifolia
Rydberg USA: Colorado Waldorf I. W. Clokey 3872 1920-8-15
GH: 01879373
Castilleja sulphurea
Rydberg USA: Colorado Waldorf I. W. Clokey 3871 1920-8-15
GH: 02080003
Pedicularis canadensis
Linnaeus USA: Colorado Divide-Cripple Creek I. W. Clokey 3874 1920-7-3
Plantaginaceae
GH: 02002024
Penstemon alpinus
Torrey USA: Colorado Tolland I. W. Clokey 3865 1920-7-14
GH: 02119736
Penstemon glaber
Pursh USA: Colorado Divide-Cripple Creek I. W. Clokey 3866 1920-7-3
GH: 02120159
Penstemon hallii
A. Gray USA: Colorado Waldorf I. W. Clokey 3864 1920-8-13
GH: 02122302
Penstemon rydbergii
A. Nelson USA: Colorado Tolland: [no additional data] I. W. Clokey 3862 1920-7-14
GH: 02122421
Penstemon secundiflorus
Bentham USA: Colorado Morrison I. W. Clokey 3869 1920-6-12
GH: 01801115
Penstemon unilateralis
Rydberg USA: Colorado Morrison I. W. Clokey 3867 1920-6-27
GH: 01801230
Penstemon virens
Pennell ex Rydberg USA: Colorado Golden: [no additional data] I. W. Clokey 3861 1920-6-9
GH: 01801253
Penstemon virens
Pennell ex Rydberg USA: Colorado Golden: [no additional data] I. W. Clokey 3861 1920-6-9
GH: 01801415
Penstemon whippleanus
A. Gray USA: Colorado Waldorf I. W. Clokey 3863 1920-8-15
Polemoniaceae
GH: 01083738
Aliciella pinnatifida
(Nuttall ex A. Gray) J. M. Porter USA: Colorado Divide-Cripple Creek I. W. Clokey 3841 1920-7-3
GH: 00985382
Ipomopsis aggregata candida
(Rydberg) V. E. Grant & A. D. Grant USA: Colorado [no additional data] I. W. Clokey 3844 1920-7-25
GH: 01694350
Polemonium foliosissimum
A. Gray USA: Colorado Cripple Creek I. W. Clokey 3839 1920-7-31
Polygonaceae
GH: 01618044
Eriogonum alatum
Torrey USA: Colorado Morrison I. W. Clokey 3758 1920-7-22
GH: 01618251
Eriogonum annuum
Nuttall USA: Colorado Palmer Lake I. W. Clokey 3756 1920-8-29
GH: 01618442
Eriogonum brevicaule
Nuttall USA: Colorado Lyons-Boulder I. W. Clokey 3757 1920-9-18
GH: 01652523
Eriogonum flavum
Nuttall USA: Colorado Berthoud Pass I. W. Clokey 3755 1920-8-11
Ranunculaceae
GH: 01658253
Delphinium barbeyi
(Huth) Huth USA: Colorado Berthoud Pass I. W. Clokey 3772 1920-8-11
GH: 01659502
Delphinium nuttallianum
Pritzel ex Walpers USA: Colorado Morrison I. W. Clokey 3769 1920-5-27
GH: 01659510
Delphinium nuttallianum
Pritzel ex Walpers USA: Colorado Wolhurst I. W. Clokey 3768 1920-5-22
GH: 01660225
Delphinium robustum
Rydberg USA: Colorado Divide-Cripple Creek I. W. Clokey 3771 1920-8-2
GH: 01662437
Ranunculus adoneus
A. Gray USA: Colorado Waldorf I. W. Clokey 3765 1920-8-13
GH: 01663441
Ranunculus cardiophyllus
Hooker USA: Colorado Cripple Creek I. W. Clokey 3767 1920-7-3
Rosaceae
A: 01612815
Crataegus erythropoda
Ashe USA: Colorado Morrison I. W. Clokey 3797 1920-5-27
GH: 01612827
Crataegus erythropoda
Ashe USA: Colorado Morrison I. W. Clokey 3797 1920-5-27
GH: 01615347
Crataegus macracantha
Loddiges ex Loudon USA: Colorado Morrison I. W. Clokey 3796 1920-5-29
A: 01615357
Crataegus macracantha
Loddiges ex Loudon USA: Colorado Morrison I. W. Clokey 3796 1920-5-29
GH: 00994530
Holodiscus discolor
(Pursh) Maximowicz USA: Colorado Top of Royal Gorge I. W. Clokey 3794 1920-7-2
Saxifragaceae
GH: 01616374
Mitella pentandra
Hooker USA: Colorado Estes Park: Loch Vale I. W. Clokey 3788 1920-9-16
Violaceae
GH: 02146040
Viola canadensis scopulorum
A. Gray USA: Colorado Morrison I. W. Clokey 3817 1920-5-27
GH: 02211354
Viola sororia missouriensis
(Greene) L. E. McKinney USA: Colorado Wolhurst I. W. Clokey 3818 1920-5-16