Amaranthaceae GH: 01928523 Amaranthus acanthochiton (Torrey) J. D. Sauer USA: Arizona Duncan A. Davidson 1081 1900
GH: 01929007 Amaranthus fimbriatus (Torrey) Bentham ex S. Watson USA: Arizona Clifton: A. Davidson 446a 1900-10-1
Anacardiaceae GH: 01867892 Rhus lanceolata (A. Gray) Britton USA: Arizona Metcalf A. Davidson 626
Apiaceae GH: 00073907 Aletes davidsoni J. M. Coulter & Rose USA: Arizona Clifton A. Davidson 161a 1900
GH: 00424342 Perideridia pringlei (J. M. Coulter & Rose) A. Nelson & J. F. Macbride USA: California Harold A. Davidson 1895-5
GH: 00073907 Pteryxia davidsonii (J. M. Coulter & Rose) Mathiassen & Constantineanu USA: Arizona Clifton A. Davidson 161a 1900
Asteraceae GH: 02172040 Acroptilon repens (Linnaeus) de Candolle USA: California [data not captured] A. Davidson 3623 1926-8
GH: 02172041 Acroptilon repens (Linnaeus) de Candolle USA: California [data not captured] A. Davidson 1923-11
GH: 01924832 Ageratina paupercula (A. Gray) R. M. King & H. Robinson USA: Arizona Clifton: Coronado A. Davidson 1900-4-26
GH: 01924829 Ageratina paupercula (A. Gray) R. M. King & H. Robinson USA: Arizona Clifton: Coronado A. Davidson 310 1900-4-26
GH: 01924952 Brickellia amplexicaulis B. L. Robinson USA: Arizona Chase Creek A. Davidson 398 1900-10-10
GH: 01924997 Brickellia brachyphylla (A. Gray) A. Gray USA: Arizona Blue River A. Davidson 1028 1900-10
GH: 01923343 Brickellia eupatorioides chlorolepis (Wooten & Standley) B. L. Turner USA: Arizona Clifton: Blue River A. Davidson 719 1902-9-10
GH: 01923914 Carminatia tenuiflora de Candolle USA: Arizona Blue Pine Clifton A. Davidson 713 1902-9-9
GH: 00414516 Geraea viscida (A. Gray) S. F. Blake USA: California Roadside to Desert View A. Davidson 3606 1925-5-1
GH: 00008424 Grindelia arizonica A. Gray USA: Arizona San Fransisco River, 10 miles north of Clift... A. Davidson 736 1902-9-7
GH: 00008424 Grindelia arizonica microphylla Steyermark USA: Arizona San Fransisco River, 10 miles north of Clift... A. Davidson 736 1902-9-7
GH: 02204846 Heterotheca zionensis Semple USA: Arizona Blue River Clifton A. Davidson 725 1902-9-10
GH: 02593036 Microseris linearifolia (de Candolle) Schultz Bipontinus USA: Arizona Clifton: [no additional data] A. Davidson 1011 1900-4
GH: 00414172 Pseudognaphalium lecuocephalum (A. Gray) Anderberg USA: California Los Angeles: Crescenta A. Davidson 2011 1917-9
GH: 00427814 Senecio astephanus Greene USA: California Los Angeles: Wilson's Trail A. Davidson
GH: 00427815 Senecio astephanus Greene USA: California Los Angeles: Wilson's Trail A. Davidson
GH: 00011960 Senecio ilicetorum Davidson USA: California Sierra Madre range near Los Angeles A. Davidson
Boraginaceae GH: 00424727 Cryptantha circumscissa (Hooker & Arnott) I. M. Johnston USA: California Andrews Camp, Bishop Creek A. Davidson 2700 1911-7
GH: 01996058 Lithospermum incisum Lehmann USA: Arizona Tanners Canon; Metcalf A. Davidson 621 1901
GH: 02059920 Oreocarya cinerea Greene USA: Arizona Metcalf A. Davidson 608 1900-10-1
Brassicaceae GH: 01181802 Boechera davidsonii (Greene) N. H. Holmgren USA: California South Lake A. Davidson 2935 1913-7
GH: 00378843 Boechera repanda (S. Watson) Al-Shehbaz USA: California South Lake A. Davidson 2956 1913-7
GH: 00379203 Draba albertina Greene USA: California South Lake A. Davidson 2727 1913-7
GH: 00379220 Draba breweri S. Watson USA: California South Lake A. Davidson 2934 1913-7
GH: 00379248 Draba corrugata S. Watson USA: California Mt. Grayback, S. Bernadino Mts. A. Davidson
GH: 00379250 Draba corrugata S. Watson USA: California "Grayback" Mt., San Bernardino A. Davidson 3040 1915-8
GH: 00261186 Draba corrugata saxosa (Davidson) Munz & I. M. Johnston USA: California Mt. San Jacinto, 11000 ft [summit is actuall... A. Davidson 1896-7-7
GH: 00379248 Draba corrugata vestita (Davidson) C. L. Hitchcock USA: California Mt. Grayback, S. Bernadino Mts. A. Davidson
GH: 00379250 Draba corrugata vestita (Davidson) C. L. Hitchcock USA: California "Grayback" Mt., San Bernardino A. Davidson 3040 1915-8
GH: 00261186 Draba saxosa Davidson USA: California Mt. San Jacinto, 11000 ft [summit is actuall... A. Davidson 1896-7-7
GH: 00379203 Draba stenoloba nana (O. E. Schulz) C. L. Hitchcock USA: California South Lake A. Davidson 2727 1913-7
GH: 01573396 Pennellia micrantha (A. Gray) Nieuwland USA: Arizona Blue River A. Davidson 848 1902-9-1
GH: 01736165 Streptanthus carinatus arizonicus (S. Watson) Kruckeberg, Rodman & Worthington USA: Arizona Longfellow A. Davidson 314 1901-4
GH: 01731216 Thelypodium wrightii A. Gray USA: Arizona Metcalf A. Davidson 420 1901-7-1
GH: 00422524 Tropidocarpum dubium Davidson USA: California Los Angeles: [no additional data] A. Davidson 1895-3
GH: 00422523 Tropidocarpum gracile Hooker USA: California Los Angeles: [no additional data] A. Davidson 1894-6
GH: 00422524 Tropidocarpum gracile Hooker USA: California Los Angeles: [no additional data] A. Davidson 1895-3
Caesalpiniaceae GH: 00283204 Cassia leptadenia Greenman USA: Arizona Clifton: Blue River A. Davidson 1340 1902-9-1
GH: 00283204 Chamaecrista nictitans mensalis (Greenman) H. S. Irwin & Barneby USA: Arizona Clifton: Blue River A. Davidson 1340 1902-9-1
GH: 01679188 Senna bauhinioides (A. Gray) Irwin & Barneby USA: Arizona Blue River, Clifton A. Davidson 1342 1901-9-1
Caryophyllaceae GH: 01741794 Arenaria lanuginosa saxosa (A. Gray) Maguire USA: Arizona Clifton: Coronado Incline A. Davidson 305 1900-5-1
GH: 00037617 Arenaria stricta texana B. L. Robinson ex Britton USA: California Los Angeles: [no additional data] A. Davidson 1922
GH: 01752552 Silene laciniata greggii (A. Gray) C. L. Hitchcock & Maguire USA: Arizona Coronado City A. Davidson 1004 1900-10-1
Crassulaceae GH: 00037617 Dudleya abramsii parva (Rose & Davidson) Bartel USA: California Los Angeles: [no additional data] A. Davidson 1922
GH: 01987502 Dudleya saxosa aloides (Rose) Moran USA: California Redlands A. Davidson 09122 1909
Ericaceae GH: 00363044 Rhododendron columbianum (Piper) Harmaja USA: California South Lake, Bishop Creek A. Davidson 2650
Fabaceae GH: 01963215 Acmispon brachycarpus (Bentham) D. D. Sokoloff USA: California Acton A. Davidson 3 1893-5
GH: 01963713 Acmispon micranthus (Torr. & A. Gray) Brouillet USA: California San Gabriel Canon A. Davidson 1341 1902-5-4
GH: 01963852 Acmispon oroboides (Kunth) Brouillet USA: Arizona Clifton. A. Davidson 135 1900-4
GH: 00366530 Acmispon prostratus (Nuttall) Brouillet USA: California San Diego: Sea Coast A. Davidson 3650 1928-5
GH: 01963995 Acmispon rigidus (Bentham) Brouillet USA: California Palm Springs A. Davidson 1893-4
GH: 02049595 Astragalus nuttallianus austrinus (Small) Barneby USA: Arizona Clifton: [no additional data] A. Davidson 148a 1900-4
GH: 01884861 Dalea brachystachya A. Gray USA: Arizona Blue River. Clifton A. Davidson 1343 1902-9-1
GH: 01885478 Dalea formosa Torrey USA: Arizona Guthrie A. Davidson 134 1899-4-20
GH: 01961668 Desmodium neomexicanum A. Gray USA: Arizona Blue River. Clifton A. Davidson 1339 1903-9-1
GH: 00366530 Lotus nuttalianus Greene USA: California San Diego: Sea Coast A. Davidson 3650 1928-5
GH: 00065677 Lupinus arizonicus (S. Watson) S. Watson USA: California Palm Springs: A. Davidson 3333 1919-4
GH: 00065610 Lupinus excubitus hallii C. P. Smith USA: California Santa Susana A. Davidson 3305 1918-7
GH: 00065581 Lupinus longifolius (S. Watson) Abrams USA: California Sierra Madre A. Davidson 3310 1918-7
GH: 00065581 Lupinus mollisfolius Davidson USA: California Sierra Madre A. Davidson 3310 1918-7
GH: 00065610 Lupinus paynei Davidson USA: California Santa Susana A. Davidson 3305 1918-7
GH: 00065677 Lupinus sparsiflorus arizonicus (S. Watson) C. P. Smith USA: California Palm Springs: A. Davidson 3333 1919-4
GH: 00065677 Lupinus subhirsutus Davidson USA: California Palm Springs: A. Davidson 3333 1919-4
GH: 00064194 Phaca davidsonii Rydberg USA: California Lancaster A. Davidson 4 1893-5-12
GH: 02133195 Phaseolus acutifolius tenuifolius A. Gray USA: Arizona Clifton A. Davidson 136a
GH: 02134407 Rhynchosia senna texana (Torrey & A. Gray) M. C. Johnston USA: Arizona near Metcalf A. Davidson 451a 1900-10-10
GH: 02342951 Trifolium gracilentum Torrey & A. Gray USA: California [data not captured] A. Davidson
Hydrangeaceae GH: 01750798 Fendlera wrightii (Engelmann & A. Gray) A. Heller USA: Arizona Blue River A. Davidson 776 1902-9-8
Lamiaceae GH: 01555212 Agastache wrightii (Greenman) Wooton & Standley USA: Arizona Blue River A. Davidson 840 1902-9-8
GH: 00001542 Salvia davidsonii Greenman USA: Arizona Metcalf A. Davidson 615 1900-10
GH: 01699789 Tetraclea coulteri A. Gray USA: New Mexico Summit A. Davidson 1900-10-1
GH: 01699793 Tetraclea coulteri A. Gray USA: New Mexico Duncan A. Davidson 1078 1902-9-1
Liliaceae GH: 00357293 Brodiaea filifolia S. Watson USA: California Foothill of Glendora, Los Angeles Co. A. Davidson 3418 1921-5
GH: 00357307 Calochortus catalinae S. Watson USA: California Los Angeles: Los Angeles, Cal. A. Davidson 3962 1894-5
GH: 00029854 Calochortus davidsonii Rose USA: California Los Angeles: A. Davidson 1891-6-23
GH: 00029854 Calochortus plummerae Greene USA: California Los Angeles: A. Davidson 1891-6-23
Malvaceae GH: 02070843 Abutilon mollicomum (Willdenow) Swartz USA: Arizona [illegible] River A. Davidson 742
GH: 00052768 Gossypium davidsonii Kellogg Mexico: Baja California Norte San Jose del Cabo A. Davidson 1874-5
GH: 00052893 Malacothamnus davidsonii (B. L. Robinson) Greene USA: California San Fernando Valley A. Davidson 1895-6-24
GH: 00052893 Malvastrum davidsonii B. L. Robinson USA: California San Fernando Valley A. Davidson 1895-6-24
GH: 00052893 Malvastrum fremontii Torrey ex A. Gray USA: California San Fernando Valley A. Davidson 1895-6-24
GH: 00420941 Sphaeralcea ambigua A. Gray USA: California Mohave A. Davidson 1895
Mimosaceae GH: 01680500 Acacia constricta Bentham USA: Arizona Frisco River 5 miles north of Clifton A. Davidson 1536 1903-9-1
GH: 01680616 Acacia cuspidata Schlechtendal USA: Arizona Blue River A. Davidson 1335 1902-9
GH: 01680617 Acacia cuspidata Schlechtendal USA: Arizona Road near Metcalf Mine A. Davidson 428 1900-10
GH: 01786290 Desmanthus cooleyi (Eaton) Trelease USA: Arizona Blue River, Clifton A. Davidson 1338 1903-9
GH: 01680027 Mimosa aculeaticarpa biuncifera (Bentham) Barneby USA: Arizona Clifton A. Davidson 323 1900-5-26
GH: 01680039 Mimosa aculeaticarpa biuncifera (Bentham) Barneby USA: Arizona Blue River A. Davidson 1337 1903-9
Nyctaginaceae GH: 01642746 Acleisanthes chenopodioides (A. Gray) R. A. Levin USA: Arizona Duncan A. Davidson 442a 1900-9
GH: 01641726 Mirabilis coccinea (Torrey) Bentham & Hooker f. USA: Arizona Metcalf Road A. Davidson 327a 1900-5-27
Oleaceae GH: 01850767 Menodora scabra A. Gray USA: Arizona Duncan Plains A. Davidson 1900-10-1
Onagraceae GH: 00071799 Oenothera rutila Davidson USA: California Rock Creek A. Davidson 5? 1893-7
Opegraphaceae FH: 00467192 Opegrapha vulgata (Acharius) Acharius USA: Arizona [no additional data] A. Davidson 723
Orobanchaceae GH: 01879329 Castilleja stenantha A. Gray USA: California near Los Angeles A. Davidson 1900-8-25
Plantaginaceae GH: 01998311 Collinsia bartsiifolia Bentham USA: California [data not captured] A. Davidson
GH: 00969860 Collinsia bartsiifolia davidsonii (Parish) Newsom USA: California Lancaster. Mojave Desert A. Davidson 1893-5
GH: 01998329 Collinsia callosa Parish USA: California [data not captured] A. Davidson
GH: 00969860 Collinsia davidsonii Parish USA: California Lancaster. Mojave Desert A. Davidson 1893-5
GH: 02120598 Penstemon laetus A. Gray USA: California Los Angeles: [data not captured] A. Davidson
GH: 01804404 Schistophragma intermedia (A. Gray) Pennell USA: Arizona Metcalf A. Davidson 1012 1900-5
GH: 01811117 Veronica peregrina xalapensis (Kunth) Pennell USA: Arizona Guthrie A. Davidson 1899-5
Poaceae GH: 00361624 Nassella pulchra (Hitchcock) Barkworth USA: California Los Angeles: Coronado St. A. Davidson 3222 1917-4
GH: 00361624 Stipa pulchra Hitchcock USA: California Los Angeles: Coronado St. A. Davidson 3222 1917-4
Polemoniaceae GH: 01092741 Eriastrum eremicum yageri (M. E. Jones) H. Mason USA: Arizona Ward's Canon [Ward Canyon], Clifton A. Davidson 157
GH: 01000699 Gilia stellata A. Heller USA: Arizona Chase Creek Clifton A. Davidson 153 1871-4-1
GH: 00385193 Gilia tenuituba Rydberg USA: California Bishop Creek A. Davidson 2750
GH: 01155971 Ipomopsis multiflora (Nuttall) V. E. Grant USA: Arizona near Metcalf A. Davidson 355 1900-10
GH: 01155999 Ipomopsis multiflora (Nuttall) V. E. Grant USA: Arizona Metcalf A. Davidson 1016 1900-9-1
GH: 01155971 Ipomopsis multiflora whitingii (Kearney & Peebles) Wilken USA: Arizona near Metcalf A. Davidson 355 1900-10
GH: 00385193 Ipomopsis tenuituba (Rydberg) V. E. Grant USA: California Bishop Creek A. Davidson 2750
GH: 00091176 Langloisia flaviflora Davidson USA: California Mohave Desert, Willow Springs, roadside A. Davidson 3506 1922-5-1
GH: 00443187 Polemonium eximium Greene USA: California Above Lone Pine A. Davidson 3602 1924-7
Polygalaceae GH: 00347796 Polygala cornuta fishiae (Parry) Jepson USA: California Los Angeles: Sierra Madre range A. Davidson 1893-7
Polygonaceae GH: 01717627 Chorizanthe membranacea Bentham USA: California Tehachapi A. Davidson 3608 1925-5
GH: 01717918 Eriogonum abertianum Torrey USA: Arizona Clifton: Chase Creek A. Davidson 445a. 1900-7
GH: 00036278 Eriogonum crocatum Davidson USA: California A. Davidson 3576
GH: 01966501 Eriogonum saxatile S. Watson USA: California [data not captured] A. Davidson 1895
Primulaceae GH: 00424198 Primula suffrutescens A. Gray USA: California above Lone Pine A. Davidson 3600 1924-7
Rutaceae GH: 01545865 Ptelea trifoliata Linnaeus USA: Arizona Blue River A. Davidson 1079 1902-9-1
GH: 00376039 Ruta bracteosa de Candolle USA: California Los Angeles: [No Additional Data] A. Davidson 1984-10
Saxifragaceae GH: 01733495 Boykinia rotundifolia Parry USA: California Foothills A. Davidson 1893-7
GH: 00380149 Ribes divaricatum parishii (A. Heller) Jepson USA: California Los Angeles: [no additional data] A. Davidson 1894-1
GH: 00380563 Ribes menziesii leptosmum (Coville) Jepson USA: California near Los Angeles A. Davidson
GH: 00380583 Ribes nevadense Kellogg USA: California Wilson Peak A. Davidson 1993-7
GH: 00380563 Ribes subvestitum Hooker & Arnott USA: California near Los Angeles A. Davidson
Solanaceae GH: 00395327 Datura wrightii Regel USA: California Boyle Hts Los Angeles A. Davidson 1659 1907-6-1
Vitaceae GH: 01578006 Parthenocissus vitacea (Knerr) Hitchcock USA: Arizona Frisco River A. Davidson 757 1902-9-12