Acanthaceae GH: 00306690 Dyschoriste schiedeana cinerascens Henrickson & Hilsenbeck USA: New Mexico Black river, 6 miles south of White's City, ... C. L. Hitchcock, R. V. Rethke & R.... 4323 1938-7-28
Asteraceae GH: 02141093 Agoseris aurantiaca purpurea (A. Gray) Cronquist USA: Utah edge of Cedar Breaks, 1 mile north of Cedar ... C. L. Hitchcock, R. V. Rethke & R.... 4583 1938
GH: 02141305 Agoseris glauca dasycephala (Torr. & A. Gray) Jepson USA: Idaho [data not captured] C. L. Hitchcock, R. V. Rethke & R.... 3762 1938-6-23
GH: 00968383 Artemisia campestris pacifica Hall & Clements USA: Colorado ca. 15 miles south of Iola C. L. Hitchcock, R. V. Rethke & R.... 4081 1938-7-15
GH: 01923365 Brickellia eupatorioides chlorolepis (Wooten & Standley) B. L. Turner USA: New Mexico Mogollon Mts., 15 miles northeast of Mogollo... C. L. Hitchcock, R. V. Rethke & R.... 4460 1938-8-1
GH: 01923906 Brickellia fendleri A. Gray USA: New Mexico Gilita Camp Ground, 20 miles ne. of Mogollon C. L. Hitchcock, R. V. Rethke & R.... 4413 1938-8-1
GH: 02142300 Crepis acuminata Nuttall USA: Idaho [data not captured] C. L. Hitchcock, R. V. Rethke & R.... 3724 1938-6-22
GH: 02142397 Crepis atribarba A. Heller USA: Idaho [data not captured] C. L. Hitchcock, R. V. Rethke & R.... 3692 1938-6-22
GH: 02203526 Dieteria bigelovii commixta (Greene) D. R. Morgan & R. L. Hartman USA: Utah 3 miles north of Cedar Breaks Lodge C. L. Hitchcock, R. V. Rethke & R.... 4604 1938-8-12
GH: 02205353 Ericameria discoidea (Nuttall) G. L. Nesom USA: Utah edge of Cedar Breaks, 1 mile north of Cedar ... C. L. Hitchcock, R. V. Rethke & R.... 4590 1938-8-12
GH: 02205667 Ericameria nauseosa graveolens (Nuttall) Reveal & Schuyler USA: Utah on road to Cedar Breaks, 10 miles east of Ce... C. L. Hitchcock, R. V. Rethke & R.... 4623 1938-8-12
GH: 02207142 Ericameria parryi nevadensis (A. Gray) G. L. Nesom & G. I. Baird USA: Arizona 15 miles east of Jacob's Lake Kaibab Nationa... C. L. Hitchcock, R. V. Rethke & R.... 4529 1938-8-7
GH: 02348609 Erigeron formosissimus Greene USA: New Mexico Gilita Camp Ground, 20 miles ne. of Mogollon C. L. Hitchcock, R. V. Rethke & R.... 4105 1938-8-1
GH: 02348594 Erigeron formosissimus Greene USA: Arizona V. T. meadow, Kaibab National Forest C. L. Hitchcock, R. V. Rethke & R.... 4546 1938-8-9
GH: 02348714 Erigeron glabellus Nuttall USA: Colorado 1 mile west of Del Norte C. L. Hitchcock, R. V. Rethke & R.... 4150 1938-7-20
GH: 02353650 Erigeron leiomerus A. Gray USA: Colorado 10 miles west of Independence Pass C. L. Hitchcock, R. V. Rethke & R.... 3981 1938-7-7
GH: 02204614 Heterotheca villosa minor (Hooker) Semple USA: Colorado Chalk Creek, 17 miles north of Salida C. L. Hitchcock, R. V. Rethke & R.... 4054 1938-7-14
GH: 02204605 Heterotheca villosa minor (Hooker) Semple USA: Arizona 15 miles east of Jacob's Lake, Kaibab Nation... C. L. Hitchcock, R. V. Rethke & R.... 4527 1938-8-7
GH: 02204772 Heterotheca villosa nana (A. Gray) Semple USA: New Mexico 25 miles south of Golden C. L. Hitchcock, R. V. Rethke & R.... 4217 1938-7-24
GH: 01835354 Lygodesmia juncea D. Don USA: Colorado Chalk Creek, 17 miles north of Salida C. L. Hitchcock, R. V. Rethke & R.... 4050 1938-7-14
Boraginaceae GH: 02027145 Hackelia cinerea (Piper) I. M. Johnston USA: Idaho 10 miles south of Gibbonsville C. L. Hitchcock, R. V. Rethke & R.... 3699 1938-6-22
GH: 02027694 Hackelia patens (Nuttall) I. M. Johnston USA: Idaho 10 miles northeast of Mackay C. L. Hitchcock, R. V. Rethke & R.... 3816a 1938-6-25
GH: 02027817 Hackelia ursina (A. Gray) I. M. Johnston USA: New Mexico Gilita Camp Ground, 20 miles ne. of Mogollon C. L. Hitchcock, R. V. Rethke & R.... 4404 1938-8-1
GH: 01993687 Heliotropium greggii Torrey USA: Texas El Paso-Carlsbad Highway, 15 miles east of H... C. L. Hitchcock, R. V. Rethke & R.... 4335 1938-7-28
GH: 01996538 Lithospermum macromeria J. I. Cohen USA: New Mexico 10 miles northeast of Mogollon C. L. Hitchcock, R. V. Rethke & R.... 4376 1938-8-1
GH: 02059962 Oreocarya cinerea Greene USA: New Mexico 25 miles south of Golden C. L. Hitchcock, R. V. Rethke & R.... 4221 1938-7-24
GH: 02144089 Tiquilia hispidissima (Torrey & A. Gray) A. T. Richardson USA: Texas 30 miles south of Carlsbad Caverns, Eddy Cou... C. L. Hitchcock, R. V. Rethke & R.... 4352 1938-7-28
GH: 02144114 Tiquilia latior (I. M. Johnston) A. T. Richardson USA: Arizona Little Colorado Desert, 10 miles west of Nav... C. L. Hitchcock, R. V. Rethke & R.... 4524 1938-8-7
Brassicaceae GH: 01155384 Descurainia incana (Bernhardi ex Fischer & C. A. Meyer) Dorn USA: Utah below Brian Head Lookout Station, 5 miles no... C. L. Hitchcock, R. V. Rethke & R.... 4571 1938-8-9
GH: 01155837 Draba albertina Greene USA: Colorado ca. 5 mi. w. of Independence Pass C. L. Hitchcock, R. V. Rethke & R.... 4022 1938-7-9
GH: 01155839 Draba albertina Greene USA: Utah Red Spring Camp; ca. 25 mi. n. of Vernal C. L. Hitchcock, R. V. Rethke & R.... 3935 1938-7-4
GH: 01084816 Draba albertina Greene USA: Idaho [data not captured] C. L. Hitchcock, R. V. Rethke & R.... 3736 1938-6-23
GH: 01084817 Draba albertina Greene USA: Idaho [data not captured] C. L. Hitchcock, R. V. Rethke & R.... 3851 1938-6-28
GH: 01084818 Draba albertina Greene USA: Idaho [data not captured] C. L. Hitchcock, R. V. Rethke & R.... 3736 1938-6-23
GH: 01155887 Draba aurea Vahl USA: Colorado Spring Creek Pass, Continental Divide C. L. Hitchcock, R. V. Rethke & R.... 4115 1938-7-17
GH: 01155888 Draba aurea Vahl USA: Colorado summit Independence Pass C. L. Hitchcock, R. V. Rethke & R.... 4018 1938-7-9
GH: 01155889 Draba aurea Vahl USA: Colorado 10 mi. W. of Independence Pass C. L. Hitchcock, R. V. Rethke & R.... 4033 1938-7-9
GH: 01155893 Draba aurea Vahl USA: Colorado Spring Creek Pass C. L. Hitchcock, R. V. Rethke & R.... 4116 1938-7-17
GH: 01155897 Draba aurea Vahl USA: Colorado 7 mi. sw. of Wagon Wheel Gap C. L. Hitchcock, R. V. Rethke & R.... 4131 1938-7-19
GH: 01155898 Draba aurea Vahl USA: Colorado ca. 10 m. west of Independence Pass C. L. Hitchcock, R. V. Rethke & R.... 3976 1938-7-7
GH: 01155900 Draba aurea Vahl USA: Utah below Brian Head Lookout Station; 5 mi. no. ... C. L. Hitchcock, R. V. Rethke & R.... 4570 1938-8-11
GH: 01155924 Draba crassa Rydberg USA: Colorado east of divide, toward Torrey's Peak, Lovela... C. L. Hitchcock, R. V. Rethke & R.... 4034 1938-7-10
GH: 01155925 Draba crassa Rydberg USA: Colorado ca. 10 mi. w. of Independence Pass C. L. Hitchcock, R. V. Rethke & R.... 4001 1938-7-7
GH: 01155933 Draba crassifolia Graham USA: Colorado Spring Creek Pass C. L. Hitchcock, R. V. Rethke & R.... 4113 1938-7-17
GH: 01155934 Draba crassifolia Graham USA: Colorado ca. 10 mi. w. of Independence Pass C. L. Hitchcock, R. V. Rethke & R.... 4001 1938-7-7
GH: 01106225 Draba cuneifolia Nuttall ex Torrey & A. Gray USA: Arizona ca. 10 mi. east of Big Lake, Apache National... C. L. Hitchcock, R. V. Rethke & R.... 1938-8-2
GH: 01106316 Draba densifolia Nuttall ex Torrey & A. Gray USA: Idaho 1 mi. e. of Iron Mt. Peak C. L. Hitchcock, R. V. Rethke & R.... 3835 1938-6-26
GH: 01106318 Draba densifolia Nuttall ex Torrey & A. Gray USA: Idaho Exposed gravelly top of Iron Mt., west of Ma... C. L. Hitchcock, R. V. Rethke & R.... 3838 1938-6-26
GH: 01106362 Draba densifolia Nuttall ex Torrey & A. Gray USA: Washington [data not captured] C. L. Hitchcock, R. V. Rethke & R.... 3622 1938-6-12
GH: 01155959 Draba exunguiculata (O. E. Schulz) C. L. Hitchcock USA: Colorado alpine slopes to east pass - towards Torrey'... C. L. Hitchcock, R. V. Rethke & R.... 4035 1938-7-10
GH: 00992017 Draba grayana (Rydberg) C. L. Hitchcock USA: Colorado towards Torrey's Peak, Loveland Pass C. L. Hitchcock, R. V. Rethke & R.... 4035a 1938-7-10
GH: 01106969 Draba helleriana patens O. E. Schulz USA: New Mexico Willow Creek, 20 mi. ne. of Mogollon C. L. Hitchcock, R. V. Rethke & R.... 4372 1938-7-31
GH: 01115206 Draba incerta Payson USA: Idaho On slope to east of pass above timberline, 7... C. L. Hitchcock, R. V. Rethke & R.... 3789a 1938-6-24
GH: 01115769 Draba nemorosa Linnaeus USA: Idaho [data not captured] C. L. Hitchcock, R. V. Rethke & R.... 3746 1938-6-23
GH: 00971307 Draba oligosperma Hooker USA: Idaho [data not captured] C. L. Hitchcock, R. V. Rethke & R.... 3789 1938-6-24
GH: 00971309 Draba oligosperma Hooker USA: Idaho [data not captured] C. L. Hitchcock, R. V. Rethke & R.... 3774 1938-6-24
GH: 00971602 Draba paysonii treleasei (O. E. Schulz) C. L. Hitchcock USA: Washington [data not captured] C. L. Hitchcock, R. V. Rethke & R.... 3598 1938-6-12
GH: 00992088 Draba rectifructa C. L. Hitchcock USA: Arizona ca. 10 mi. no. of V.T. Ranch, Kaibab Forest C. L. Hitchcock, R. V. Rethke & R.... 4541 1938-8-9
GH: 01561222 Draba stenoloba Ledebour USA: Washington [data not captured] C. L. Hitchcock, R. V. Rethke & R.... 3631 1938-6-12
Cucurbitaceae GH: 01544183 Ibervillea tenuisecta (A. Gray) Small USA: New Mexico 10 miles south of Carlsbad Caverns C. L. Hitchcock, R. V. Rethke & R.... 4302 1938-7-27
Fabaceae GH: 02052136 Astragalus kentrophyta implexus (Canby) Barneby USA: Utah 10 miles east of Cedar City on road to Cedar... C. L. Hitchcock, R. V. Rethke & R.... 4630 1938
Lamiaceae GH: 01599429 Monarda pectinata Nuttall USA: New Mexico abandoned field C. L. Hitchcock, R. V. Rethke & R.... 4483 1938-8-2
Phyllanthaceae GH: 01971692 Phyllanthus warnockii G. L. Webster USA: Utah 6 mi. north of Kanab C. L. Hitchcock, R. V. Rethke & R.... 4536 1938
GH: 01971691 Phyllanthus warnockii G. L. Webster USA: Utah 6 mi. no. of Kanab C. L. Hitchcock, R. V. Rethke & R.... 4536 1938
Plantaginaceae GH: 02122757 Penstemon strictus Bentham USA: Colorado above Spring Creek Pass C. L. Hitchcock, R. V. Rethke & R.... 4103 1938-7-17
Polygonaceae GH: 01717950 Eriogonum abertianum Torrey USA: New Mexico 20 miles east of Silver City C. L. Hitchcock, R. V. Rethke & R.... 4368 1938-7-30
GH: 01618547 Eriogonum brevicaule laxifolium (Torrey & A. Gray) Reveal USA: Wyoming 2 miles north of Susie C. L. Hitchcock, R. V. Rethke & R.... 3887 1938-7-2
GH: 01618959 Eriogonum corymbosum glutinosum (M. E. Jones) M. E. Jones USA: Utah on Cedar Breaks-Cedar City road; 10 miles ea... C. L. Hitchcock, R. V. Rethke & R.... 4621 1938
GH: 01652268 Eriogonum effusum Nuttall USA: Colorado Chalk Creek, 17 miles north of Salida C. L. Hitchcock, R. V. Rethke & R.... 4057 1938-7-14
GH: 01652813 Eriogonum havardii S. Watson USA: New Mexico 15 miles west of Lincoln C. L. Hitchcock, R. V. Rethke & R.... 4281 1938-7-26
GH: 01851020 Eriogonum hieracifolium Bentham USA: New Mexico 10 miles east of Capitan C. L. Hitchcock, R. V. Rethke & R.... 4204 1938-7-24
GH: 01851138 Eriogonum inflatum Torrey & Fremont USA: Arizona Little Colorado Desert, 10 miles west of Nav... C. L. Hitchcock, R. V. Rethke & R.... 4526 1938-8-7
GH: 01851340 Eriogonum jamesii flavescens S. Watson USA: Arizona Kaibab Forest, 15 miles east of Jacob's Lake C. L. Hitchcock, R. V. Rethke & R.... 4516 1938-8-7
GH: 01851363 Eriogonum jamesii flavescens S. Watson USA: Colorado along roadside to Hot Springs Hotel, 5 miles... C. L. Hitchcock, R. V. Rethke & R.... 4124 1938-7-19
GH: 01851901 Eriogonum microthecum laxiflorum Hooker USA: Idaho 10 miles south of Salmon C. L. Hitchcock, R. V. Rethke & R.... 3721 1938-6-22
GH: 01986680 Eriogonum ovalifolium ochroleucum (Small) M. Peck USA: Idaho [data not captured] C. L. Hitchcock, R. V. Rethke & R.... 3814 1938-6-25
GH: 01986819 Eriogonum panguicense alpestre (S. Stokes) Reveal USA: Utah edge of Cedar Breaks, 1 mile north of Cedar ... C. L. Hitchcock, R. V. Rethke & R.... 4585 1938-8-12
GH: 01986850 Eriogonum pharnaceoides Torrey USA: New Mexico ca. 15 miles south of Luna C. L. Hitchcock, R. V. Rethke & R.... 4478 1938-8-2
GH: 02043866 Eriogonum umbellatum porteri (Small) S. Stokes USA: Utah below Brian Head Lookout Station, 5 miles no... C. L. Hitchcock, R. V. Rethke & R.... 4580 1938-8-11
GH: 02043266 Eriogonum umbellatum aureum (Gandoger) Reveal USA: Colorado ca. 15 miles south of Iola C. L. Hitchcock, R. V. Rethke & R.... 4088 1938-7-15
Ranunculaceae GH: 01663445 Ranunculus cardiophyllus Hooker USA: New Mexico at Gilita Camp Ground, 20 miles ne. of Mogol... C. L. Hitchcock, R. V. Rethke & R.... 4411 1938
Rosaceae GH: 01590073 Kelseya uniflora (S. Watson) Rydberg USA: Idaho Pass in mts. 7 mi. north of Dickey C. L. Hitchcock, R. V. Rethke & R.... 3795 1938-6-24