Alliaceae GH: 00273373 Allium bigelovii S. Watson USA: Arizona Deep woods, Oak Creek Canyon south of Flagst... O. M. Clark 11923 1944-6-20
Anacardiaceae GH: 01868711 Rhus virens choriophylla (Wooton & Standley) L. D. Benson USA: Arizona Ora Blanco Mountains, east of Ruby O. M. Clark 12510 1944-9-9
GH: 01869084 Toxicodendron radicans divaricatum (Greene) Gillis USA: Arizona Morista Canyon, Baboquivari Mts. O. M. Clark 11638 1944
Aristolochiaceae GH: 01681750 Aristolochia watsonii Wooton & Standley USA: Arizona N. border of O.P.N.M., Organ Pipe National M... O. M. Clark 10999 1943-9-11
Asclepiadaceae GH: 01083606 Funastrum cynanchoides heterophyllum (Engelmann ex Torrey) Kartesz USA: Arizona S of Ajo. O. M. Clark 11051 1943-10-3
GH: 01083621 Funastrum cynanchoides heterophyllum (Engelmann ex Torrey) Kartesz USA: Arizona Along Arroyas, S. of Ajo O. M. Clark 11662 1944-4-16
GH: 01083163 Gonolobus arizonicus (A. Gray) Woodson USA: Arizona Marista Canyon Baboquivari Mts. O. M. Clark 12546 1944-9-30
Asteraceae GH: 01110009 Achillea borealis Bongard USA: Arizona south of Flagstaff O. M. Clark 12143 1944-8-16
GH: 02579030 Acourtia nana (A. Gray) Reveal & R. M. King USA: Arizona N.E. of Ajo O. M. Clark 11086 1943-10-9
GH: 02579029 Acourtia nana (A. Gray) Reveal & R. M. King USA: Arizona West of Tracy's trading Post, Papago Resv. O. M. Clark 12627 1944-10-1
GH: 01924777 Ageratina herbacea (A. Gray) King & H. Robinson USA: Arizona South Santa Rita Mountains O. M. Clark 12334 1944-9-1
GH: 01924763 Ageratina herbacea (A. Gray) King & H. Robinson USA: Arizona South slope Mogollon Rim, north of Pine O. M. Clark 12214 1944-8-27
GH: 02217803 Arida arizonica (R. C. Jackson & R. R. Johnson) D. R. Morgan & R. L. Hartman USA: Arizona Quitovaquito, Organ Pipes National Monument O. M. Clark 11507 1944-3-25
GH: 02214565 Baccharis salicifolia (Ruiz & Pavon) Persoon USA: Arizona Oro Blanco Mts. east of Ruby O. M. Clark 12473 1944-9-9
GH: 01924982 Brickellia betonicifolia A. Gray USA: Arizona lower Madera Canyon, Santa Rita Mountains O. M. Clark 12418 1944-9-6
GH: 01923061 Brickellia californica (Torrey & A. Gray) A. Gray USA: Arizona Granite Points, Coyote Mts., E. of Sells O. M. Clark 11172 1943-11-6
GH: 01923162 Brickellia coulteri brachiata (A. Gray) B. L. Turner USA: Arizona S.W. of Ajo O. M. Clark 11136 1943-10-17
GH: 01923151 Brickellia coulteri brachiata (A. Gray) B. L. Turner USA: Arizona Alamo Canyon, Bates Well, south of Ajo O. M. Clark 11071 1943-10-3
GH: 01923574 Brickellia grandiflora (Hooker) Nuttall USA: Arizona Santa Rita Mountains O. M. Clark 12350 1944-9-1
GH: 02142109 Calycoseris wrightii A. Gray USA: Arizona Covered Wells hills, Papago Res. O. M. Clark 11606 1944
GH: 02188333 Carphochaete bigelovii A. Gray USA: Arizona Baboquavari Peak O. M. Clark 11648 1944-4-8
GH: 02172417 Centaurea melitensis Linnaeus USA: Arizona Dry banks south of Wickenburg, Hassayampa R.... O. M. Clark 11697
GH: 02020702 Cirsium drummondii Torrey & A. Gray USA: Arizona forest north of Long Valley, Southeast Cocon... O. M. Clark 12169 1944-8-26
GH: 02216888 Conyza canadensis (Linnaeus) Cronquist USA: Arizona Long Valley O. M. Clark 12185 1944-8-26
GH: 02203125 Conyza canadensis pusilla (Nuttall) Cronquist USA: Arizona west of Miami O. M. Clark 12224 1944-8-28
GH: 02142695 Crepis occidentalis Nuttall USA: Arizona east of Williams O. M. Clark 11820 1944-6-16
GH: 02203414 Dieteria asteroides Torrey USA: Arizona west of Tracy's trading Post Papago Resv. O. M. Clark 12607 1944-10-1
GH: 02203722 Dieteria canescens ambigua (B. L. Turner) D. R. Morgan & R. L. Hartman USA: Arizona Mormon Lake, south of Flagstaff O. M. Clark 12153 1944-8-26
GH: 02205396 Ericameria laricifolia (A. Gray) Shinners USA: Arizona Granite Points, Coyote Mts., E. of Sells O. M. Clark 11162 1943-11-6
GH: 02206492 Erigeron concinnus Torrey USA: Arizona Mesa, Walnut Canyon Nat'l Monument, south ea... O. M. Clark 11977 1944-6-30
GH: 02206489 Erigeron concinnus Torrey USA: Arizona walls of oak Creek Canyon, south of Flagstaf... O. M. Clark 11877 1944-6-19
GH: 02206796 Erigeron divergens Torrey & A. Gray USA: Arizona west of Arivaca O. M. Clark 12529
GH: 02348590 Erigeron formosissimus Greene USA: Arizona Park, north of Long Valley. Southeast Coconi... O. M. Clark 12174 1944-8-26
GH: 02348589 Erigeron formosissimus Greene USA: Arizona Canadian Zone, San Francisco Pks O. M. Clark 12111 1944-7-29
GH: 02348587 Erigeron formosissimus Greene USA: Arizona forest south of Flagstaff O. M. Clark 12160 1944-8-26
GH: 02348586 Erigeron formosissimus Greene USA: Arizona Long Valley. Southeast Coconino Co. O. M. Clark 12182 1944-8-26
GH: 02352204 Erigeron oreophilus Greenman USA: Arizona Bello Springs, Wrightson Peak, Santa Rita Mo... O. M. Clark 12316 1944-9-1
GH: 02352203 Erigeron oreophilus Greenman USA: Arizona summit Wrightson Peak, Santa Rita Mountains O. M. Clark 12315 1944-9-1
GH: 02352202 Erigeron oreophilus Greenman USA: Arizona slopes near summit of Baboquivari Pk. O. M. Clark 12575 1944-9-30
GH: 02190892 Eupatorium sp. USA: Arizona near summit of Baboquivari Peak O. M. Clark 12567 1944-9-30
GH: 02191588 Fleischmannia sonorae (A. Gray) R. M. King & H. Robinson USA: Arizona Marista Canyon, Baboquivari Mts. O. M. Clark 12600 1944-10-1
GH: 02191587 Fleischmannia sonorae (A. Gray) R. M. King & H. Robinson USA: Arizona Marista Canyon, Baboquivari mts. O. M. Clark 12584 1944-9-30
GH: 02587114 Grindelia arizonica A. Gray USA: Arizona Morman Lake south of Flagstaff O. M. Clark 12155 1944-8-26
GH: 02191645 Koanophyllon solidaginifolium (A. Gray) R. M. King & H. Robinson USA: Arizona Marista Canyon, Baboquivari Mountains O. M. Clark 12588 1944-9-30
GH: 01834635 Lactuca graminifolia arizonica McVaugh USA: Arizona Oak Creek Canyon, south of Flagstaff O. M. Clark 11860 1944-6-18
GH: 01834862 Lactuca serriola Linnaeus USA: Arizona south of Flagstaff O. M. Clark 12147 1944-8-23
Boraginaceae GH: 01996520 Lithospermum macromeria J. I. Cohen USA: Arizona Oak Creek Canyon, south of Flagstaff. O. M. Clark 12128 1944-8-13
GH: 01996622 Lithospermum multiflorum Torrey USA: Arizona Walnut Canyon National Monument, southeast o... O. M. Clark 12016 1944-6-30
GH: 01996605 Lithospermum multiflorum Torrey USA: Arizona upper Madera Canyon, Santa Rita Mountains. O. M. Clark 12346 1944-9-1
GH: 01997911 Mertensia franciscana A. Heller USA: Arizona Hudsonian zone, San Francisco Peaks. O. M. Clark 12086 1944-7-29
Brassicaceae GH: 00946758 Boechera perennans (S. Watson) W. A. Weber USA: Arizona Base cliffs, E. of Ajo O. M. Clark 11455 1944-3-19
GH: 01103544 Draba aurea Vahl USA: Arizona Hudsonian zone, San Francisco Peaks O. M. Clark 12085 1944-7-29
GH: 01106229 Draba cuneifolia integrifolia S. Watson USA: Arizona on Dripping Springs Range O. M. Clark 11461 1944-3-25
GH: 01561515 Dryopetalon runcinatum A. Gray USA: Arizona Baboquivari Mts. O. M. Clark 11614 1944-4-7
GH: 01561774 Erysimum capitatum (Douglas ex Hooker) Greene USA: Arizona Mesa, Walnut Canyon National Monument southe... O. M. Clark 11983 1944-6-30
GH: 01549619 Lepidium thurberi Wooton USA: Arizona south of Chino O. M. Clark 11782 1944-6-3
GH: 01550073 Lyrocarpa coulteri Hooker & Harvey USA: Arizona Bates Well, Alamo Gap, Bates Mts. O. M. Clark 11287 1944-2-13
GH: 01550074 Lyrocarpa coulteri Hooker & Harvey USA: Arizona W. Sonoita Hills, S. of Ajo O. M. Clark 11275 1944
GH: 01550593 Noccaea fendleri (A. Gray) Holub USA: Arizona mountain slopes south of Prescott. O. M. Clark 11747 1944-6-1
GH: 01550601 Noccaea fendleri (A. Gray) Holub USA: Arizona slopes south of Prescott. O. M. Clark 11773 1944-6-2
GH: 01550617 Noccaea fendleri glauca (A. Nelson) Al-Shehbz & M. Koch USA: Arizona Upper Hudsonian, San Francisco Peaks. O. M. Clark 12080 1944-7-29
GH: 01575018 Physaria arizonica (S. Watson) O'Kane & Al-Shehbaz USA: Arizona south of Ashfork O. M. Clark 11800 1944-6-3
GH: 01687268 Physaria intermedia (S. Watson) O'Kane & Al-Shehbaz USA: Arizona Walnut Canyon Nat'l. Monument, southeast of ... O. M. Clark 12009 1944-6-29
GH: 01687728 Physaria newberryi A. Gray USA: Arizona east of Flagstaff. O. M. Clark 11956 1944-6-29
GH: 01691520 Physaria tenella (A. Nelson) O'Kane & Al-Shehbaz USA: Arizona Alamo Gap, Bates Well O. M. Clark 11284 1944-2-13
GH: 01691524 Physaria tenella (A. Nelson) O'Kane & Al-Shehbaz USA: Arizona Mt. Valley, E. of Ajo O. M. Clark 11441 1944-3-19
GH: 01736146 Streptanthus carinatus arizonicus (S. Watson) Kruckeberg, Rodman & Worthington USA: Arizona Talus Mtns., E of Ajo. O. M. Clark 11433 1944-3-19
GH: 01736152 Streptanthus carinatus arizonicus (S. Watson) Kruckeberg, Rodman & Worthington USA: Arizona Mt. South of Sells O. M. Clark 11611 1944-4-7
Cactaceae GH: 00244281 Echinocereus engelmannii (Parry ex Engelmann) Lemaire USA: Arizona Litte Ajo Mts., W. of Gibson O. M. Clark 11664 1944-4-7
GH: 01677555 Pachycereus schottii (Engelmann) D. R. Hunt USA: Arizona along S. border W. of Sonoita hills O. M. Clark 11002 1943
Caesalpiniaceae GH: 01873928 Cercidium microphyllum (Torrey) Rose & I. M. Johnston USA: Arizona NE of Ajo O. M. Clark 11681 1944-5-6
GH: 01676855 Hoffmannseggia drepanocarpa A. Gray USA: Arizona Verde River, North of Chino O. M. Clark 11794 1944-6-3
GH: 01679356 Senna hirsuta glaberrima (M. E. Jones) H. S. Irwin & Barneby USA: Arizona Bajadas, Santa Rita Mountains, south of Cont... O. M. Clark 12248 1944-8-29
Caprifoliaceae GH: 02038446 Lonicera involucrata (Richardson) Banks ex Sprengel USA: Arizona San Francisco Peaks O. M. Clark 12102 1944-7-29
Caryophyllaceae GH: 01741418 Arenaria fendleri A. Gray USA: Arizona south of Flagstaff. O. M. Clark 12168 1944-8-26
GH: 01741419 Arenaria fendleri A. Gray USA: Arizona Apline summit San Francisco Peak. O. M. Clark 12069 1944-7-29
GH: 01751134 Silene acaulis (Linnaeus) Jacquin USA: Arizona San Francisco Peaks. O. M. Clark 12064
GH: 01752545 Silene laciniata greggii (A. Gray) C. L. Hitchcock & Maguire USA: Arizona Long Valley, South Coconino County O. M. Clark 12176 1944-8-26
GH: 01624017 Stellaria ruscifolia Pallas ex Schlechtendal USA: Arizona San Francisco Peaks. O. M. Clark 12071 1944-7-29
Commelinaceae GH: 02073563 Commelina dianthifolia Delile USA: Arizona Oro Blanco Mt. East of Ruby. O. M. Clark 12514 1944-9-10
GH: 02073583 Commelina dianthifolia longispatha (Torrey) Brashier USA: Arizona Slopes Madrone Canyon, Santa Rita Mts. O. M. Clark 12260 1944-8-30
GH: 02073725 Commelina erecta Linnaeus USA: Arizona Marista Canyon, Babopuivari Mountains O. M. Clark 12601 1944-10-1
GH: 02113930 Tradescantia pinetorum Greene USA: Arizona Madrone Canyon, Santa Rita Mountains O. M. Clark 11253 1944-8-30
GH: 02113927 Tradescantia pinetorum Greene USA: Arizona Summit Wrightson Peak, Santa Rita Mts. O. M. Clark 12313 1944-9-1
Convolvulaceae GH: 02055889 Convolvulus equitans Bentham USA: Arizona S of Wilcox O. M. Clark 10866 1943-8-24
GH: 02057502 Evolvulus arizonicus A. Gray USA: Arizona Oro Blanco Mt. east of Ruby O. M. Clark 12519 1944-9-10
GH: 02057503 Evolvulus arizonicus A. Gray USA: Arizona lower Madera Canyon, Santa Rita Mountains O. M. Clark 12410 1944-9-6
GH: 02057898 Ipomoea costellata Torrey USA: Arizona In the Little Dragoon Mtns. O. M. Clark 10859 1943-8-24
GH: 02057932 Ipomoea cristulata H. Hallier USA: Arizona in the Little Dragoon Mtns. O. M. Clark 10858 1943-8-24
GH: 02042521 Ipomoea purpurea (Linnaeus) Roth USA: Arizona Pagago Res., S.W. of Ajo O. M. Clark 11185 1943
GH: 02042736 Ipomoea ternifolia leptotoma (Torrey) McDonald USA: Arizona near East Sells O. M. Clark 11164 1943-11-6
GH: 02042741 Ipomoea thurberi A. Gray USA: Arizona Oro Blanco Mts. east of Ruby O. M. Clark 12455 1944-9-8
Crassulaceae GH: 01991409 Sedum griffithsii Rose USA: Arizona Bello Springs, Santa Rita Mountains O. M. Clark 12318 1944-9-1
GH: 01991896 Sedum rhodanthum A. Gray USA: Arizona Canadian zone, San Francisco Peaks. O. M. Clark 12073 1944-7-29
Cupressaceae GH: 02104700 Juniperus deppeana Steudel USA: Arizona Upper slopes of Baboquivari Pk. O. M. Clark 11647 1944-4-8
Cyperaceae GH: 00274459 Carex albonigra Mackenzie USA: Arizona Upper Hudsonian zone, San Francisco Peaks O. M. Clark 12077 1944-7-29
GH: 00274459 Carex bella L. H. Bailey USA: Arizona Upper Hudsonian zone, San Francisco Peaks O. M. Clark 12077 1944-7-29
Ericaceae GH: 01117270 Arbutus arizonica (A. Gray) Sargent USA: Arizona Madrone, Round-up-Camp, Santa Rita Mountains... O. M. Clark 12432 1944-9-7
GH: 01117654 Arctostaphylos pungens Kunth USA: Arizona Oak Creek Canyon, south Flagstaff. O. M. Clark 11885 1944-6-19
Fabaceae GH: 02049539 Astragalus nuttallianus de Candolle USA: Arizona Talus, Growler Mts. O. M. Clark 11400 1944-3-18
GH: 01881751 Clitoria mariana Linnaeus USA: Arizona lower Madera Canyon, Santa Rita Mountains O. M. Clark 12360 1944-9-2
GH: 01881910 Cologania angustifolia Kunth USA: Arizona Santa Rita Mountains O. M. Clark 12270 1944-8-30
GH: 01881930 Cologania pallida Rose USA: Arizona Lower Madera Canyon, Santa Rita Mountains O. M. Clark 12405 1944-9-6
GH: 01921225 Dalea pogonathera A. Gray USA: Arizona Little Dragoon Mts O. M. Clark 10877 1943-8-24
GH: 01921741 Desmodium batocaulon A. Gray USA: Arizona Little Dragoon Mtns O. M. Clark 10863 1943-8-24
GH: 02148477 Lathyrus arizonicus Britton USA: Arizona San Francisco Peaks O. M. Clark 11834 1944-6-17
GH: 02148485 Lathyrus bijugatus T. G. White USA: Arizona Oak Creek Canyon, south of Flagstaff O. M. Clark 11880 1944-6-19
GH: 02150217 Lathyrus sulphureus W. H. Brewer ex A. Gray USA: Arizona south of Prescott O. M. Clark 11736 1944-6-1
GH: 02085015 Lupinus argenteus Pursh USA: Arizona north of Flagstaff O. M. Clark 11838 1944-6-17
GH: 02085639 Lupinus brevicaulis S. Watson USA: Arizona Peeples Valley O. M. Clark 11712 1944-5-31
GH: 02176653 Lupinus kingii S. Watson USA: Arizona Mesa, Walnut Canyon National Monument, south... O. M. Clark 11980 1944-6-30
GH: 02176707 Lupinus latifolius Lindley ex J. Agardh USA: Arizona in forest south of Prescott. O. M. Clark 11721 1944-6-1
GH: 01539675 Lupinus sparsiflorus mohavensis Dziek. & D. B. Dunn USA: Arizona W. of Ajo O. M. Clark 11310 1944-3-4
GH: 01539674 Lupinus sparsiflorus mohavensis Dziek. & D. B. Dunn USA: Arizona E. of Ajo O. M. Clark 11442 1944-3-19
GH: 01539658 Lupinus sparsiflorus mohavensis Dziek. & D. B. Dunn USA: Arizona Covered Wells Hills O. M. Clark 11607 1944-4-7
GH: 02130489 Nissolia schottii (Torrey) A. Gray USA: Arizona Coyote Mts., E. of Sells O. M. Clark 11180 1943-11-7
GH: 02130504 Olneya tesota A. Gray USA: Arizona north of Gila Bend. O. M. Clark 11692 1944-5-31
GH: 02133198 Phaseolus acutifolius tenuifolius A. Gray USA: Arizona Little Dragoon Mtns. O. M. Clark 10860 1943-8-24
GH: 02133222 Phaseolus angustissimus A. Gray USA: Arizona east of Flagstaff O. M. Clark 11952 1944-6-29
GH: 02133213 Phaseolus angustissimus A. Gray USA: Arizona south of Prescott O. M. Clark 11737 1944-6-1
GH: 02133247 Phaseolus filiformis Bentham USA: Arizona Mt. Arroyas, S. of Ajo O. M. Clark 11151 1943-10-31
GH: 02133972 Psorothamnus emoryi (A. Gray) Rydberg USA: Arizona Granite Mts. Sides, Cholla Bay O. M. Clark 11233 1943-12-22
GH: 02134098 Psorothamnus spinosus (A. Gray) Barneby USA: Arizona N. Rocky Point O. M. Clark 11259 1943-12-23
GH: 02347299 Vicia pulchella Kunth USA: Arizona north of Flagstaff. O. M. Clark 12052 1944-7-29
GH: 02347929 Zornia reticulata Smith USA: Arizona Oro Blanco Mts., east of Ruby O. M. Clark 12476 1944-9-9
Gentianaceae GH: 02069810 Frasera speciosa Douglas ex Grisebach USA: Arizona Oak Creek Canyon, south of Flagstaff. O. M. Clark 11874 1944-6-18
Juncaceae GH: 02398199 Juncus saximontanus A. Nelson USA: Arizona Long Valley. Southeast Coconino County O. M. Clark 12202 1944-10-26
Krameriaceae GH: 01788400 Krameria grayi Rose & Painter USA: Arizona S.W. of Ajo O. M. Clark 1943
Malvaceae A: 02070751 Abutilon incanum (Link) Sweet USA: Arizona Arroyos, S of Ajo. O. M. Clark 11034 1943-9-26
GH: 02070758 Abutilon malacum S. Watson USA: Arizona S. of Ajo O. M. Clark 11028 1943-9-26
GH: 02202608 Gossypium thurberi Todaro USA: Arizona Rock ledges, Oro Blanco Mountains, east of R... O. M. Clark 12500 1944-9-9
GH: 02200380 Sida abutilifolia Miller USA: Arizona Altar Valley north of Sasabe. Southeast corn... O. M. Clark 12530 1944-9-10
GH: 02199685 Sphaeralcea coulteri (S. Watson) A. Gray USA: Arizona Arroyos, E Fill, Ajo. O. M. Clark 11185 1943-12-5
GH: 02199718 Sphaeralcea emoryi Torrey ex A. Gray USA: Arizona In valley W of Stacy Trading Post on The Pap... O. M. Clark 11158 1943-11-5
Mimosaceae GH: 01680752 Acacia greggii A. Gray USA: Arizona S of Ajo. O. M. Clark 11675 1944-5-6
GH: 01786169 Calliandra eriophylla Bentham USA: Arizona SW of Ajo. O. M. Clark 11127 1943-12-17
GH: 01689647 Mimosa dysocarpa Bentham USA: Arizona Bahada, Santa Rita Mountains, South of Conti... O. M. Clark 12249 1944-8-29
GH: 01689587 Prosopis juliflora de Candolle USA: Arizona Bate's well, S of Ajo. O. M. Clark 11064 1943-10-3
Nyctaginaceae GH: 01642968 Allionia incarnata villosa (Standley) Munz USA: Arizona S. of Ajo O. M. Clark 11045 1943-10-3
GH: 01642976 Allionia incarnata villosa (Standley) Munz USA: Arizona S. W. of Ajo O. M. Clark 10961 1944-9-5
GH: 01641080 Boerhavia diffusa Linnaeus USA: Arizona NE of Ajo O. M. Clark 1944-4-28
GH: 01641167 Boerhavia erecta Linnaeus USA: Arizona S. of Ajo O. M. Clark 1943
GH: 01641939 Mirabilis laevis villosa (Kellogg) Spellenberg USA: Arizona S.W. of Ajo O. M. Clark 1943-10-17
Onagraceae GH: 01624635 Calylophus hartwegii fendleri (A. Gray) Towner & P. H. Raven USA: Arizona Flagstaff: South of cemetary [cemetery] O. M. Clark 12027 1944-7-2
GH: 01624814 Calylophus hartwegii toumeyi (Small) Towner & P. H. Raven USA: Arizona upper Madera Canyon Santa Rita Mountains. O. M. Clark 12351 1944-9-1
GH: 01625344 Camissonia californica (Nuttall ex Torrey & A. Gray) P. H. Raven USA: Arizona Ajo Mountains. O. M. Clark 11594 1944-4-2
GH: 01672660 Epilobium ciliatum Rafinesque USA: Arizona Long Valley. O. M. Clark 12198 1944-8-26
GH: 01645744 Oenothera elata hirsutissima (A. Gray ex S. Watson) W. Dietrich USA: Arizona lower Madera Canyon, Santa Rita Mountains. O. M. Clark 12401 1944-9-6
Orchidaceae AMES: 02031454 Calopogon oklahomensis D. H. Goldman USA: Oklahoma 1 mi. n.w. Panama O. M. Clark 8049 1938-5
GH: 01938108 Corallorhiza maculata (Rafinesque) Rafinesque USA: Arizona lower slopes of San Francisco Peak north of ... O. M. Clark 11831 1944-6-17
AMES: 02051417 Epipactis gigantea Douglas ex Hooker USA: Arizona lower Madera Canyon, Santa Rita Mountains O. M. Clark 12390 1944-9-6
GH: 02028603 Malaxis corymbosa (S. Watson) Kuntze USA: Arizona Santa Rita Mountains O. M. Clark 12265 1944-8-30
GH: 02028609 Malaxis macrostachya (Lexarza) Kuntze USA: Arizona Santa Rita Mountains O. M. Clark 12296 1944-8-31
Orobanchaceae GH: 01877239 Castilleja integra A. Gray USA: Arizona Little Dragoon Mts. O. M. Clark 10878 1943-8-24
GH: 01877411 Castilleja lanata A. Gray USA: Arizona Ajo Mts. O. M. Clark 11525 1944-4-4
Papaveraceae GH: 01738479 Corydalis aurea occidentalis (Engelmann ex A. Gray) Ownbey USA: Arizona At base of ledges near summit of Baboquivera... O. M. Clark 11651 1944-4-8
Phytolaccaceae GH: 01681456 Rivina humilis Linnaeus USA: Arizona Marista Canyon, Baboquivari Mountains. O. M. Clark 12589 1944-9-30
Pinaceae GH: 00397896 Pinus cembroides Zuccarini USA: Arizona Middle elev. on Babquivera Pk. O. M. Clark 11652 1944-4-8
Plumbaginaceae GH: 01927392 Plumbago scandens Linnaeus USA: Arizona Marista Canyon, Baboquivera O. M. Clark 12592 1944-10-1
Poaceae GH: 01813535 Bothriochloa barbinodis (Lagasca) Herter USA: Arizona north east of Superior Arizona. O. M. Clark 12236 1944-8-28
GH: 01815123 Sorghum halepense (Linnaeus) Persoon USA: Arizona Desert fill S of Ajo. O. M. Clark 11079 1943-10-3
Polemoniaceae GH: 01092611 Eriastrum diffusum (A. Gray) H. Mason USA: Arizona south of Chino. O. M. Clark 11785 1944-6-3
GH: 01000751 Gilia transmontana (H. Mason & A. D. Grant) A. D. Grant & V. E. Grant USA: Arizona south Prescott O. M. Clark 11746 1944-6-1
GH: 01104047 Ipomopsis longiflora (Torrey) V. E. Grant USA: Arizona Lava bluffs along Verde River north of Chino... O. M. Clark 11806 1944-6-3
GH: 01155995 Ipomopsis multiflora (Nuttall) V. E. Grant USA: Arizona north Long Valley, Southeast Coconino County O. M. Clark 12189 1944-8-26
GH: 01155995 Ipomopsis multiflora whitingii (Kearney & Peebles) Wilken USA: Arizona north Long Valley, Southeast Coconino County O. M. Clark 12189 1944-8-26
GH: 01104424 Ipomopsis thurberi (A. Gray) V. E. Grant USA: Arizona upper Josephine Canyon, Santa Rita Mountains O. M. Clark 21355 1944-9-1
GH: 01105160 Leptosiphon chrysanthus J. M. Porter & R. Patterson USA: Arizona south of Prescott. O. M. Clark 11733 1944-6-1
GH: 01105746 Leptosiphon nuttallii (A. Gray) J. M. Porter & L. A. Johnson USA: Arizona Mogollon Rim, north of Pine. O. M. Clark 12210 1944-8-27
GH: 01105958 Linanthus bigelovii (A. Gray) Greene USA: Arizona of Alamo Gap, Bate's Well, Organ Pipe Nation... O. M. Clark 11426 1944-3-18
GH: 01565228 Microsteris gracilis (Hooker) Greene USA: Arizona south of Prescott. O. M. Clark 11772 1944-6-2
GH: 01565811 Navarretia leucocephala minima (Nuttall) A. G. Day USA: Arizona south of Flagstaff. O. M. Clark 12165 1944-8-26
GH: 01571234 Phlox austromontana jonesii (Wherry) Locklear USA: Arizona Oak Creek Canyon, south of Flagstaff. O. M. Clark 11914 1944-6-20
GH: 01686905 Phlox tenuifolia A. Gray ex E. E. Nelson USA: Arizona Ajo Mountains. O. M. Clark 11517 1944-4-1
Polygalaceae GH: 01969617 Polygala obscura Bentham USA: Arizona lower Madera Canyon, Santa Rita Mountains O. M. Clark 12404 1944-9-6
GH: 01969611 Polygala obscura Bentham USA: Arizona Oro Blanco Mts. east of Ruby O. M. Clark 12459 1944-9-9
Polygonaceae GH: 01717906 Eriogonum abertianum Torrey USA: Arizona On slopes of Oro Blanco Mt. east of Ruby O. M. Clark 12486 1944-9-9
GH: 01618966 Eriogonum corymbosum glutinosum (M. E. Jones) M. E. Jones USA: Arizona east of Flagstaff O. M. Clark 11960 1944-6-29
GH: 01851248 Eriogonum jamesii Bentham USA: Arizona Ledges of Bella Springs, Wrightson Peak, San... O. M. Clark 12323 1944-9-1
GH: 01851249 Eriogonum jamesii Bentham USA: Arizona Ledges, summit of Wrightson Peak in Santa Ri... O. M. Clark 12324 1944-9-1
GH: 01851252 Eriogonum jamesii Bentham USA: Arizona Summit of Wrightson Peak in Santa Rita Mts. ... O. M. Clark 12322 1944-9-1
GH: 01986861 Eriogonum polycladon Bentham USA: Arizona west of Miami O. M. Clark 12226 1944-8-28
GH: 01966209 Eriogonum racemosum Nuttall USA: Arizona south of Flagstaff O. M. Clark 12116 1944-8-7
GH: 02006233 Rumex acetosella Linnaeus USA: Arizona south of Prescott O. M. Clark 11768 1944-6-2
GH: 02006232 Rumex acetosella Linnaeus USA: Arizona bottoms of Oak Cr. Canyon south of Flagstaff O. M. Clark 11932 1944-6-21
Portulacaceae GH: 01859105 Claytonia perfoliata mexicana (Rydberg) John M. Miller & K. L. Chambers USA: Arizona Baboquivari O. M. Clark 11613 1944-4-7
GH: 01859106 Claytonia perfoliata mexicana (Rydberg) John M. Miller & K. L. Chambers USA: Arizona Canyon, E. of Ajo O. M. Clark 11453 1944-3-19
GH: 01859109 Claytonia perfoliata mexicana (Rydberg) John M. Miller & K. L. Chambers USA: Arizona Oak Creek Canyon south of Flagstaff O. M. Clark 11895 1944-6-19
GH: 01860875 Portulaca pilosa Linnaeus USA: Arizona N of Cubo. O. M. Clark 11109 1943-12-10
GH: 01860981 Portulaca suffrutescens Engelmann USA: Arizona lower Madera Canyon, Santa Rita Mountains. O. M. Clark 12380 1944-9-6
GH: 01860996 Portulaca umbraticola Kunth USA: Arizona Little Dragoon Mts. O. M. Clark 10879 1943-8-24
GH: 01928161 Talinum paniculatum sarmentosum (Engelmann) Poellnitz USA: Arizona Oro Blanco Mountains, east of Ruby. O. M. Clark 12505 1944-9-9
Primulaceae GH: 01926349 Primula rusbyi Greene USA: Arizona North slope near summit of Wrightson Peak, S... O. M. Clark 12329 1944-9-1
Ranunculaceae GH: 01709346 Aquilegia chrysantha A. Gray USA: Arizona Hudsonian slopes, San Francisco Peaks. O. M. Clark 12062 1944-7-29
GH: 01709348 Aquilegia chrysantha A. Gray USA: Arizona Oak Creek Canyon. O. M. Clark 11845 1944-6-18
GH: 01709359 Aquilegia chrysantha A. Gray USA: Arizona Santa Rita Mountains O. M. Clark 12262 1944-8-30
GH: 01709846 Aquilegia triternata Payson USA: Arizona Long Valley Southeast Coconino County O. M. Clark 12195
GH: 01659465 Delphinium nuttallianum Pritzel ex Walpers USA: Arizona south of Prescott. O. M. Clark 11740 1944-6-1
GH: 01660260 Delphinium scaposum Greene USA: Arizona Verde River north of Chino O. M. Clark 11795 1944-6-3
GH: 01660261 Delphinium scaposum Greene USA: Arizona east of Williams O. M. Clark 11817 1944-6-16
GH: 01665444 Ranunculus inamoenus Greene USA: Arizona San Francisco Peaks. O. M. Clark 12091 1944-7-29
Rhamnaceae GH: 01790754 Frangula betulifolia (Greene) Grubov USA: Arizona Morista Canyon, Baboquivera Mtn. O. M. Clark 1944-4-7
GH: 01972758 Rhamnus caroliniana Walter USA: Arizona on Baboquivera Mtn. O. M. Clark 11653 1944-4-8
Rosaceae GH: 01590218 Petrophytum caespitosum (Nuttall) Rydberg USA: Arizona Walnut Canyon Nat'l. Monument southeast of F... O. M. Clark 11997 1944-6-30
GH: 01586396 Vauquelinia californica Torrey & Sargent USA: Arizona Coyote Mountains, east of Sells O. M. Clark 12520 1944-9-10
GH: 01586406 Vauquelinia californica sonorensis W. J. Hess & Henrickson USA: Arizona Canyons of Ajo Mtn. O. M. Clark 11575 1944-4-2
Rutaceae GH: 01584304 Ptelea trifoliata angustifolia (Bentham) V. L. Bailey USA: Arizona Along streams of Baboquivera Mtns. O. M. Clark 11619 1944-4-7
Verbenaceae GH: 01799758 Aloysia wrightii A. Heller USA: Arizona SW Ajo. O. M. Clark 11132 1943-10-17
GH: 01800724 Glandularia bipinnatifida (Nuttall) Nuttall USA: Texas S. W. Goliad O. M. Clark 4009 1931-7-30
GH: 01800960 Glandularia gooddingii (Briquet) Solbrig USA: Arizona Bolsom Big Farms., N. of Sells O. M. Clark 11168 1943-11-6
GH: 01955539 Verbena polystachya Kunth USA: Texas Victoria: S. W. Victoria O. M. Clark 3990 1931-7-30
Violaceae GH: 02145715 Viola canadensis Linnaeus USA: Arizona Oak Creek Canyon, south of Flagstaff. O. M. Clark 11906 1944-6-20
GH: 02211343 Viola sororia missouriensis (Greene) L. E. McKinney USA: Arizona Oak Creek Canyon, south of Flagstaff. O. M. Clark 11916 1944-6-20
Vitaceae GH: 01578008 Parthenocissus vitacea (Knerr) Hitchcock USA: Arizona south of Prescott. O. M. Clark 11742 1944-6-1
GH: 01578836 Vitis arizonica Engelmann USA: Arizona Bottom of Oak Creek Canyon, south of Flagsta... O. M. Clark 11862 1944-6-18
Zygophyllaceae GH: 01787746 Fagonia californica Bentham USA: Arizona Ajo Mtn., N of Ajo O. M. Clark 1944-4-22
GH: 01787950 Larrea tridentata (de Candolle) Coville USA: Arizona Mtn. sides W Covered Wells O. M. Clark 1943-11-6
GH: 01788178 Tribulus terrestris Linnaeus USA: Arizona Valleys of Cubo O. M. Clark 1943-10-10