Harvard University Herbaria & Libraries

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 streptobrachia R. A. Price USA: Colorado Cripple Creek I. W. Clokey 3780 1920-7-3
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