Acanthaceae GH: 00424459 Beloperone californica Bentham USA: California near Coyote Wells, Colorado Desert M. F. Spencer 179 1917-3-25
A: 00424480 Beloperone californica Bentham USA: California near Coyote Wells M. F. Spencer 179 1917-3-25
GH: 00424459 Justicia californica (Bentham) D. N. Gibson USA: California near Coyote Wells, Colorado Desert M. F. Spencer 179 1917-3-25
A: 00424480 Justicia californica (Bentham) D. N. Gibson USA: California near Coyote Wells M. F. Spencer 179 1917-3-25
Agavaceae GH: 00357631 Yucca brevifolia Engelmann USA: California Hesperia, Mohave Desert M. F. Spencer 554 1917-4-21
Aizoaceae GH: 00376108 Mesembryanthemum chilense Molina USA: California Coronado M. F. Spencer 232 1917-2-6
Anacardiaceae GH: 00347049 Rhus integrifolia (Nuttall) Bentham & Hooker f. ex W. H. Brewer & S. Watson USA: California In canyons near San Diego M. F. Spencer 280 1917-1-31
A: 00347182 Rhus trilobata Nuttall USA: California Alpine: [No Additional Data] M. F. Spencer 178 1917-4-7
GH: 00347364 Rhus trilobata quinata Jepson USA: California Alpine: [No Additional Data] M. F. Spencer 178 1917-4-7
Apocynaceae GH: 02180736 Amsonia tomentosa Torrey & Fremont USA: California Hesperia, Mohave Desert. M. F. Spencer 347 1917-5-8
Asclepiadaceae GH: 01082720 Asclepias vestita Hooker & Arnott USA: California near Mohave River M. F. Spencer 461 1917-5-10
Asteraceae GH: 00386651 Acamptopappus sphaerocephalus hirtellus S. F. Blake USA: California Hesperia, Mohave Desert M. F. Spencer 449 1917-5-20
GH: 00414945 Adenophyllum porophylloides (A. Gray) Strother USA: California [No Additional Data] M. F. Spencer 510 1917-5-24
GH: 02141417 Agoseris grandiflora (Nuttall) Greene USA: California [data not captured] M. F. Spencer 595 1917-6-22
GH: 02141840 Agoseris retrorsa (Bentham) Greene USA: California [data not captured] M. F. Spencer 494 1917-5-31
A: 00414204 Ambrosia dumosa (A. Gray) W. W. Payne USA: California Coyote Wells, Colorado Desert M. F. Spencer 176 1917-3-25
GH: 00414245 Ambrosia eriocentra (A. Gray) W. W. Payne USA: California Coyote Wells, Colorado Desert M. F. Spencer 176 1917-3-25
GH: 00414284 Ambrosia monogyra (Torrey & A. Gray ex A. Gray) Stother & B. G. Baldwin USA: California San Diego: [No Additional Data] M. F. Spencer 641 1917-10-15
GH: 00414298 Ambrosia salsola (Torrey & A. Gray ex A. Gray) Stother & B. G. Baldwin USA: California Colorado Desert M. F. Spencer 460 1917-3-18
GH: 02141896 Anisocoma acaulis Torrey & A. Gray USA: California [data not captured] M. F. Spencer 357 1917-4-23
GH: 00427514 Artemisia tridentata Nuttall USA: California Mohave Desert M. F. Spencer 624 1917-10-4
GH: 00427517 Artemisia tridentata Nuttall USA: California Mohave Desert M. F. Spencer 624 1917-10-4
GH: 00002934 Aster bernardinus H. M. Hall USA: California Mohave Desert M. F. Spencer 629 1917-10-3
GH: 00002933 Aster crassulus Rydberg USA: California Mohave Desert M. F. Spencer 629 1917-10-3
GH: 00002934 Aster deserticola J. F. Macbride USA: California Mohave Desert M. F. Spencer 629 1917-10-3
GH: 00002933 Aster deserticola J. F. Macbride USA: California Mohave Desert M. F. Spencer 629 1917-10-3
GH: 00417293 Chrysothamnus nauseosus mohavensis (Greene) Hall & Clements USA: California Mohave Desert M. F. Spencer 623 1917-10-4
GH: 00417303 Chrysothamnus nauseosus mohavensis (Greene) Hall & Clements USA: California Mohave Desert M. F. Spencer 623 1917-10-4
GH: 02020724 Cirsium drummondii acaulescens (A. Gray) J. F. Macbride USA: California [data not captured] M. F. Spencer 474 1917-6-4
GH: 00414945 Dyssodia porophylloides A. Gray USA: California [No Additional Data] M. F. Spencer 510 1917-5-24
GH: 00414447 Encelia farinosa A. Gray ex Torrey USA: California Colorado Desert M. F. Spencer 219 1917-3-30
A: 00414456 Encelia farinosa A. Gray ex Torrey USA: California Colorado Desert M. F. Spencer 219 1917-3-30
GH: 00387235 Ericameria arborescens Greene USA: California On the edge of "Big Basin" M. F. Spencer 640 1917-7-17
GH: 00387247 Ericameria arborescens Greene USA: California On the edge of "Big Basin" M. F. Spencer 640 1917-7-17
GH: 00387345 Ericameria cooperi (A. Gray) H. M. Hall USA: California Hesperia, Mohave Desert M. F. Spencer 448 1917-5-16
GH: 00417415 Ericameria ericoides (Lessing) Nuttall ex Jepson USA: California Mohave Desert M. F. Spencer 627 1917-10-3
A: 00417149 Ericameria linearifolia (de Candolle) Urbatsch & Wussow USA: California Hesperia M. F. Spencer 417 1917-4-30
GH: 00417153 Ericameria linearifolia (de Candolle) Urbatsch & Wussow USA: California Hesperia M. F. Spencer 417 1917-4-30
GH: 00417164 Ericameria linearifolia (de Candolle) Urbatsch & Wussow USA: California Hesperia M. F. Spencer 529 1917-4-29
GH: 00417166 Ericameria linearifolia (de Candolle) Urbatsch & Wussow USA: California near Mojave River M. F. Spencer 395 1917-5-15
GH: 00417167 Ericameria linearifolia (de Candolle) Urbatsch & Wussow USA: California [data not captured] M. F. Spencer 405 1917-5-3
GH: 00417293 Ericameria nauseosa oreophila (A. Nelson) G. L. Nesom & G. I. Baird USA: California Mohave Desert M. F. Spencer 623 1917-10-4
GH: 00417303 Ericameria nauseosa mohavensis (Greene) G. L. Nesom & G. I. Baird USA: California Mohave Desert M. F. Spencer 623 1917-10-4
GH: 00417458 Ericameria parishii (Greene) Hall USA: California Descanso M. F. Spencer 316 1917-11
GH: 02207031 Ericameria parishii (Greene) Hall USA: California [data not captured] M. F. Spencer 316 1917-11
GH: 00417415 Ericameria pinifolia (A. Gray) H. M. Hall USA: California Mohave Desert M. F. Spencer 627 1917-10-3
GH: 02207925 Erigeron breweri covillei (Greene) G. L. Nesom USA: California [data not captured] M. F. Spencer 400 1917-5-17
GH: 00414877 Eriophyllum confertiflorum (de Candolle) A. Gray USA: California Pine Valley M. F. Spencer 521 1917-6-10
GH: 00414877 Eriophyllum confertiflorum laxiflorum A. Gray USA: California Pine Valley M. F. Spencer 521 1917-6-10
A: 00414204 Franseria dumosa A. Gray USA: California Coyote Wells, Colorado Desert M. F. Spencer 176 1917-3-25
GH: 00414245 Franseria dumosa A. Gray USA: California Coyote Wells, Colorado Desert M. F. Spencer 176 1917-3-25
GH: 01831087 Glyptopleura setulosa A. Gray USA: California [data not captured] M. F. Spencer 397 1917-5-4
GH: 00417823 Gutierrezia sarothrae (Pursh) Britton & Rusby USA: California [No Additional Data] M. F. Spencer 622 1917-6-30
GH: 00417851 Gutierrezia sarothrae (Pursh) Britton & Rusby USA: California [No Additional Data] M. F. Spencer 621 1917-6-30
GH: 02204158 Heterotheca sessiliflora echioides (Bentham) Semple USA: California [data not captured] M. F. Spencer 319 1917-9-5
GH: 02204150 Heterotheca sessiliflora echioides (Bentham) Semple USA: California [data not captured] M. F. Spencer 319 1917-9-5
GH: 02204139 Heterotheca sessiliflora echioides (Bentham) Semple USA: California [data not captured] M. F. Spencer 628 1917-10-3
GH: 02204136 Heterotheca sessiliflora echioides (Bentham) Semple USA: California [data not captured] M. F. Spencer 628 1917-10-3
GH: 00414284 Hymenoclea monogyra Torrey & A. Gray ex A. Gray USA: California San Diego: [No Additional Data] M. F. Spencer 641 1917-10-15
GH: 00414298 Hymenoclea salsola Torrey & A. Gray USA: California Colorado Desert M. F. Spencer 460 1917-3-18
GH: 01835520 Malacothrix californica de Candolle USA: California [data not captured] M. F. Spencer 406 1917-5-1
GH: 01835646 Malacothrix glabrata (A. Gray ex D. C. Eaton) A. Gray USA: California [data not captured] M. F. Spencer 432 1917-5-9
GH: 01835645 Malacothrix glabrata (A. Gray ex D. C. Eaton) A. Gray USA: California [data not captured] M. F. Spencer 560 1917-5-9
GH: 02593076 Microseris linearifolia (de Candolle) Schultz Bipontinus USA: California Pine Valley M. F. Spencer 531 1917-6-10
GH: 00427709 Senecio flaccidus monoensis (Greene) B. L. Turner & T. M. Barkley USA: California Mohave Desert M. F. Spencer 625 1917-4-10
GH: 00427728 Senecio flaccidus monoensis (Greene) B. L. Turner & T. M. Barkley USA: California Mohave Desert M. F. Spencer 625 1917-10-4
GH: 00427770 Senecio flaccidus douglasii (de Candolle) B. L. Turner & T. M. Barkley USA: California near San Jose M. F. Spencer 626 1917-9
GH: 00404920 Senecio flaccidus douglasii (de Candolle) B. L. Turner & T. M. Barkley USA: California Waysides near San Jose M. F. Spencer 626 1917-9
A: 00417149 Stenotopsis linearifolia interior (Coville) J. F. Macbride USA: California Hesperia M. F. Spencer 417 1917-4-30
GH: 00417153 Stenotopsis linearifolia interior (Coville) J. F. Macbride USA: California Hesperia M. F. Spencer 417 1917-4-30
GH: 00417164 Stenotus linearifolius interior (Coville) H. M. Hall USA: California Hesperia M. F. Spencer 529 1917-4-29
GH: 00417166 Stenotus linearifolius interior (Coville) H. M. Hall USA: California near Mojave River M. F. Spencer 395 1917-5-15
GH: 00002933 Symphyotrichum defoliatum (Parish) G. L. Nesom USA: California Mohave Desert M. F. Spencer 629 1917-10-3
GH: 00002934 Symphyotrichum defoliatum (Parish) G. L. Nesom USA: California Mohave Desert M. F. Spencer 629 1917-10-3
A: 00427918 Tetradymia spinosa longispina M. E. Jones USA: California Hesperia, Mohave Desert M. F. Spencer 409 1917-4-30
A: 00427929 Tetradymia spinosa longispina M. E. Jones USA: California Hesperia, Mohave Des. M. F. Spencer 390 1917-4-16
GH: 00427931 Tetradymia spinosa longispina M. E. Jones USA: California Hesperia, Mohave Desert M. F. Spencer 410 1917-4-30
A: 00427937 Tetradymia spinosa longispina M. E. Jones USA: California Hesperia, Mohave Des. M. F. Spencer 390 1917-4-16
GH: 00427938 Tetradymia spinosa longispina M. E. Jones USA: California Hesperia, Mohave Desert M. F. Spencer 409 1917-4-30
GH: 00414130 Xylorhiza tortifolia (Torrey) Greene USA: California Mohave Desert M. F. Spencer 401 1917-5-16
Bombacaceae GH: 00422628 Fremontodendron californicum (Torrey) Coville USA: California Hills 40 miles back of San Diego M. F. Spencer 469 1917-6-10
Boraginaceae GH: 00093794 Amsinckia albicarpa Suksdorf USA: California In desert sand, mountain springs, Colorado D... M. F. Spencer 251a (p.p.) 1917-3-30
GH: 00424594 Amsinckia douglasiana de Candolle USA: California El Cajon Valley M. F. Spencer 202 1917-3-13
GH: 00424596 Amsinckia douglasiana de Candolle USA: California San Diego: Ocean Beach M. F. Spencer 575 1917-3-6
GH: 01956509 Amsinckia intermedia Fischer & C. A. Meyer USA: California Mountain Springs. Colorado Desert M. F. Spencer 251 1917-3-30
GH: 01956746 Amsinckia menziesii A. Nelson & J. F. Macbride USA: California Mountain Springs M. F. Spencer 203 1917-3-29
GH: 00424594 Amsinckia sp. USA: California El Cajon Valley M. F. Spencer 202 1917-3-13
GH: 00424596 Amsinckia sp. USA: California San Diego: Ocean Beach M. F. Spencer 575 1917-3-6
GH: 01956935 Amsinckia spectabilis Fischer & C. A. Meyer USA: California San Diego: Ocean Beach M. F. Spencer 268 1917-2-28
GH: 00094257 Amsinckia spencerae Suksdorf USA: California Mountain Springs M. F. Spencer 251a (p.p.) 1917-3-30
GH: 01957064 Amsinckia tessellata A. Gray USA: California Hesperia. Mohave Desert M. F. Spencer 355 1917-5-6
GH: 00424682 Cryptantha circumscissa (Hooker & Arnott) I. M. Johnston USA: California Hesperia, Mohave Desert M. F. Spencer 387 1917-4-22
GH: 00424927 Cryptantha clokeyi I. M. Johnston USA: California Mohave Desert M. F. Spencer 434 1917-4-23
GH: 00424927 Cryptantha sp. USA: California Mohave Desert M. F. Spencer 434 1917-4-23
Brassicaceae GH: 00946944 Boechera platysperma (A. Gray) Al-Shehbaz USA: California Yosemite National Park: Glacierpoint, Yosemi... M. F. Spencer 720 1917-8-6
GH: 00960133 Boechera pulchra (M. E. Jones ex S. Watson) W. A. Weber USA: California Hesperia, Mohave Desert M. F. Spencer 391 1917-4-22
GH: 01087233 Caulanthus cooperi (S. Watson) Payson USA: California Mohave Desert M. F. Spencer 540 1917-5-4
GH: 00379406 Erysimum capitatum (Douglas ex Hooker) Greene USA: California San Diego: Ocean Beach, near San Diego M. F. Spencer 274 1917-2-28
GH: 00379638 Lepidium flavum Torrey USA: California near Victorville, Mohave Desert M. F. Spencer 351 1917-5-4
GH: 00379669 Lepidium fremontii S. Watson USA: California near Victorville, Mohave Desert M. F. Spencer 453 1917-5-16
GH: 00422023 Streptanthus campestris S. Watson USA: California Pine Valley M. F. Spencer 463 1917-6-10
GH: 00422497 Tropidocarpum gracile Hooker USA: California Hesperia, Mohave Desert M. F. Spencer 838 1917-4-23
Chenopodiaceae A: 00376394 Atriplex hymenelytra (Torrey) S. Watson USA: California Colorado Desert M. F. Spencer 270 1917-3-4
A: 00376395 Atriplex hymenelytra (Torrey) S. Watson USA: California Colorado Desert M. F. Spencer 270 1917-3-4
GH: 00295030 Grayia spinosa (Hooker) Moquin-Tandon USA: California Mohave Desert. Hesperia M. F. Spencer 356 1917-4-27
A: 00376505 Grayia spinosa (Hooker) Moquin-Tandon USA: California Hesperia M. F. Spencer 356 1917-4-27
GH: 01784762 Krascheninnikovia lanata (Pursh) A. Meeuse & A. Smit USA: California [data not captured] M. F. Spencer 353 1917-4-30
A: 01784777 Krascheninnikovia lanata (Pursh) A. Meeuse & A. Smit USA: California [data not captured] M. F. Spencer 353 1917-4-30
Cupressaceae GH: 00356199 Juniperus californica Carr USA: California Colorado Desert M. F. Spencer 225 1917
Ephedraceae GH: 00356583 Ephedra clokeyi H. C. Cutler USA: California Mountain Springs, Colorado Desert M. F. Spencer 206 1917-3-26
A: 00356607 Ephedra nevadensis S. Watson USA: California Mountain Springs, Colorado Desert M. F. Spencer 206 1917-3-26
Ericaceae GH: 00362037 Arctostaphylos pringlei drupacea Parry USA: California Wayside near Cuyamaca Lake M. F. Spencer 506 1917-5-29
A: 00363079 Rhododendron occidentale (Torrey & A. Gray) A. Gray USA: California Canyon near Pine Hills M. F. Spencer 598 1917-6-24
GH: 00363125 Rhododendron occidentale (Torrey & A. Gray) A. Gray USA: California Canyon near Pine Hills M. F. Spencer 598 1917-6-24
A: 00363305 Xylococcus bicolor Nuttall USA: California In sandy canyons near San Diego M. F. Spencer 283 1917-2-6
GH: 00363319 Xylococcus bicolor Nuttall USA: California San Diego: In sandy canyons near San Diego M. F. Spencer 283 1917-2-6
Fabaceae GH: 01963259 Acmispon brachycarpus (Bentham) D. D. Sokoloff USA: California [no additional data] M. F. Spencer 490 1917-6-1
GH: 01963355 Acmispon glaber brevialatus (Vogel) Brouillet USA: California Colorado Desert M. F. Spencer 252 1917-4-1
GH: 01963585 Acmispon heermannii orbicularis (A. Gray) Brouillet USA: California In arenis, Colorado Desert M. F. Spencer 259 1917-3-1
GH: 00366533 Acmispon prostratus (Nuttall) Brouillet USA: California Pine Hills M. F. Spencer 491 1917-5-30
GH: 01967046 Acmispon strigosus (Nuttall) Brouillet USA: California [no additional data] M. F. Spencer 482 1917-6-1
GH: 01967058 Acmispon strigosus (Nuttall) Brouillet USA: California Mohave Desert M. F. Spencer 547 1917-4-23
GH: 01967098 Acmispon strigosus (Nuttall) Brouillet USA: California Mohave Desert M. F. Spencer 363 1917-5-14
GH: 01967102 Acmispon strigosus (Nuttall) Brouillet USA: California Mohave Desert M. F. Spencer 530 1917-5-9
GH: 00366314 Astragalus arthu-schottii A. Gray USA: California Hesperia M. F. Spencer 268 1917-4-9
GH: 02047402 Astragalus coccineus Brand USA: California Mountain Springs, Colorado Desert M. F. Spencer 235 1917-3-18
GH: 00366314 Astragalus lentiginosus borreganus M. E. Jones USA: California Hesperia M. F. Spencer 268 1917-4-9
GH: 00366365 Astragalus oocarpus A. Gray USA: California M. F. Spencer 611 1917-6-30
GH: 02049863 Astragalus palmeri A. Gray USA: California Colorado Desert M. F. Spencer 272 1917-3-4
GH: 02049866 Astragalus palmeri A. Gray USA: California Colorado Desert M. F. Spencer 617 1917-3-18
GH: 00366489 Lathyrus splendens Kellogg USA: California Campo M. F. Spencer 721 1917-4-15
GH: 00366492 Lathyrus splendens Kellogg USA: California Campo M. F. Spencer 721 1917-4-15
GH: 00061037 Lotus haydonii (Orcutt) Greene USA: California Mountain Springs, Colorado Desert M. F. Spencer 561 1917-3-18
GH: 00366533 Lotus micranthus Bentham USA: California Pine Hills M. F. Spencer 491 1917-5-30
GH: 00366533 Lotus nuttalianus Greene USA: California Pine Hills M. F. Spencer 491 1917-5-30
GH: 00061037 Lotus spencerae J. F. Macbride USA: California Mountain Springs, Colorado Desert M. F. Spencer 561 1917-3-18
GH: 00366979 Lupinus excubitus M. E. Jones USA: California M. F. Spencer 597 1917-6-23
GH: 00366986 Lupinus excubitus M. E. Jones USA: California Colorado Desert M. F. Spencer 229 1917-5-18
GH: 00369024 Lupinus excubitus hallii C. P. Smith USA: California M. F. Spencer 468 1917-6-10
GH: 00369011 Lupinus excubitus austromontanus (A. Heller) C. P. Smith USA: California near summit El Cajon Pass M. F. Spencer 380 1917-4-24
GH: 02176307 Lupinus formosus Greene USA: California [data not captured] M. F. Spencer 539 1917-5-1
GH: 02176308 Lupinus formosus Greene USA: California [data not captured] M. F. Spencer 398 1917-5-14
GH: 00369024 Lupinus hallii Abrams USA: California M. F. Spencer 468 1917-6-10
GH: 02177545 Lupinus odoratus A. Heller USA: California [data not captured] M. F. Spencer 367 1917-5-9
GH: 02128683 Lupinus sparsiflorus Bentham USA: California [data not captured] M. F. Spencer 258 1917-3-26
GH: 00369116 Parosela fremontii saundersii J. F. Macbride USA: California Near Victorville, Mohave Desert M. F. Spencer 365 1917-5-16
GH: 00369116 Psorothamnus arborescens (Torrey ex A. Gray) Barneby USA: California Near Victorville, Mohave Desert M. F. Spencer 365 1917-5-16
GH: 00061037 Syrmatium haydonii (Orcutt) A. Heller USA: California Mountain Springs, Colorado Desert M. F. Spencer 561 1917-3-18
GH: 00369281 Thermopsis californica semota (Jepson) C. J. Chen & B. L. Turner USA: California Pine Hills M. F. Spencer 504 1917-6-1
GH: 02137906 Trifolium albopurpureum Torrey & A. Gray USA: California [data not captured] M. F. Spencer 505 1917-5-30
GH: 02344389 Trifolium wormskioldii Lehmann USA: California [data not captured] M. F. Spencer 465 1917-6-10
GH: 02344891 Vicia americana Muhlenberg ex Willdenow USA: California [data not captured] M. F. Spencer 568 1917-5-31
Fagaceae GH: 00344525 Quercus dumosa Nuttall USA: California Alpine M. F. Spencer 581 1917-5-30
GH: 00344870 Quercus engelmannii Greene USA: California Ad silvarum margines M. F. Spencer 594 1917-4-10
Fouquieriaceae GH: 00347728 Fouquieria splendens Engelmann USA: California Colorado Desert M. F. Spencer 451 1917-4-15
Gentianaceae GH: 00384933 Frasera parryi Torrey USA: California Descanso M. F. Spencer 470 1917-6-10
Lamiaceae A: 00400284 Hyptis emoryi Torrey USA: California Mountain Spring. Colorado Desert M. F. Spencer 253 1917-4-1
GH: 00400313 Hyptis emoryi Torrey USA: California Mountain Springs. Colorado Desert M. F. Spencer 253 1917-4-1
GH: 00400482 Monardella breweri lanceolata (A. Gray) A. C. Sanders & Elvin USA: California Cuyamaca M. F. Spencer 635 1917-6-30
GH: 00400499 Monardella breweri lanceolata (A. Gray) A. C. Sanders & Elvin USA: California Cuyamaca M. F. Spencer 635 1917-6-30
A: 00401570 Salazaria mexicana Torrey USA: California Hesperia, Mohave Desert M. F. Spencer 392 1917-5-3
GH: 00401593 Salazaria mexicana Torrey USA: California Hesperia, Mohave Desert M. F. Spencer 392 1917-5-3
GH: 00403308 Salvia dorrii pilosa (A. Gray) Strachan & Reveal USA: California Hesperia M. F. Spencer 385 1917-4-23
GH: 00403313 Salvia dorrii pilosa (A. Gray) Strachan & Reveal USA: California Hesperia M. F. Spencer 385 1917-4-23
Liliaceae GH: 00357324 Calochortus dunnii Purdy USA: California In herbosis, San Diego Co. M. F. Spencer 598 1917-6-25
Loranthaceae GH: 00355089 Phoradendron bolleanum (Seemann) Eichler USA: California Colorado Desert M. F. Spencer 224 1917-5-18
GH: 00355094 Phoradendron bolleanum (Seemann) Eichler USA: California Colorado Desert M. F. Spencer 224 1917-3-18
A: 00355008 Phoradendron californicum Nuttall USA: California Colorado Desert M. F. Spencer 271 1917-3-18
GH: 00355036 Phoradendron californicum Nuttall USA: California Colorado Desert. M. F. Spencer 271 1917-3-18
Malvaceae GH: 00420999 Sphaeralcea emoryi Torrey ex A. Gray USA: California Hesperia M. F. Spencer 457 1917-5-13
GH: 00385016 Sphaeralcea orcuttii Rose USA: California Coyote Wells, Colorado Desert M. F. Spencer 456 1917-3-25
Nyctaginaceae GH: 00376142 Abronia maritima Nuttall ex S. Watson USA: California Ocean Beach, near San Diego M. F. Spencer 267 1917-2-28
GH: 01642562 Abronia pogonantha Heimerl USA: California near Mohave River, Mohave Desert M. F. Spencer 580 1917-5-1
Onagraceae GH: 01625200 Camissonia boothii condensata (Munz) P. H. Raven USA: California Coyote Wells, Colorado Desert M. F. Spencer 244 1917-3-26
GH: 01625358 Camissonia californica (Nuttall ex Torrey & A. Gray) P. H. Raven USA: California Colorado Desert M. F. Spencer 257 1917-3-26
GH: 01625366 Camissonia californica (Nuttall ex Torrey & A. Gray) P. H. Raven USA: California Near summit, El Cajon Pass M. F. Spencer 348 1917-5-12
GH: 01625384 Camissonia campestris (Greene) P. H. Raven USA: California Hesperia, Mohave Desert M. F. Spencer 384 1917-5-13
GH: 01625562 Camissonia claviformis peirsonii (Munz) P. H. Raven USA: California Coyote Wells, Colorado Desert, San Diego Cou... M. F. Spencer 243 1917-3-27
GH: 01625875 Camissonia palmeri (S. Watson) P. H. Raven USA: California Hesperia, Mohave Desert M. F. Spencer 542 1917-5-7
GH: 01673785 Clarkia williamsonii (Durand & Hilgard) F. H. Lewis & M. E. Lewis USA: California Yosemite National Park: Yosemite M. F. Spencer 704 1917-8-1
GH: 00367759 Epilobium canum (Greene) P. H. Raven USA: California Cedar Creek near Pine Hills M. F. Spencer 285 1917-8-24
Orobanchaceae GH: 02033934 Castilleja affinis Hooker f. & Arnott USA: California Pine Hills M. F. Spencer 466 1917-6-2
GH: 01876840 Castilleja foliolosa Hooker & Arnott USA: California Near summit El Cajon Pass M. F. Spencer 394 1917-5-12
GH: 01877794 Castilleja martini Abrams USA: California Pine Hills M. F. Spencer 492 1917-5-29
Papaveraceae GH: 01856640 Argemone rotundata Rydberg USA: California Hesperia, Mohave Desert M. F. Spencer 420 1917-5-14
GH: 00381535 Eschscholzia minutiflora S. Watson USA: California Coyote Wells, Colorado Desert M. F. Spencer 248 1917-3-25
Pinaceae GH: 00357249 Pinus torreyana Parry ex Carrière USA: California Hills near the coast M. F. Spencer 262 1917-3-2
Plantaginaceae GH: 01998364 Collinsia concolor Greene USA: California [data not captured] M. F. Spencer 373 1917-6-22
GH: 02001399 Mohavea confertiflora (Bentham ex A. de Candolle) A. Heller USA: California [data not captured] M. F. Spencer 591 1917-4-1
GH: 02118296 Penstemon clevelandii A. Gray USA: California [data not captured] M. F. Spencer 499 1917-6-3
GH: 02118294 Penstemon clevelandii A. Gray USA: California [data not captured] M. F. Spencer 508 1917-6-3
GH: 02118290 Penstemon clevelandii A. Gray USA: California [data not captured] M. F. Spencer 273 1917-3-28
GH: 02120265 Penstemon heterophyllus australis Munz & I. M. Johnston USA: California [data not captured] M. F. Spencer 310 1917-6-22
Polemoniaceae GH: 01104032 Aliciella latifolia (S. Watson) J. M. Porter USA: California Colorado Desert M. F. Spencer 616 1917-4-1
GH: 01083791 Allophyllum glutinosum (Bentham) A. D. Grant & V. E. Grant USA: California [no additional data] M. F. Spencer 608 1917-6-22
GH: 00385109 Gilia capitata chamissonis (Greene) V. E. Grant USA: California Pine Hills M. F. Spencer 498 1917-6-3
GH: 00385133 Gilia latiflora (A. Gray) A. Gray USA: California Summit of El Cajon Pass M. F. Spencer 261 1917-4-23
GH: 00385134 Gilia latiflora (A. Gray) A. Gray USA: California In arenis, Mohave Desert, Southern Californi... M. F. Spencer 572 1917-5-4
GH: 01105153 Leptosiphon brevicula (A. Gray) J. M. Porter & L. A. Johnson USA: California [data not captured] M. F. Spencer 359 1917-5-15
GH: 01105204 Leptosiphon chrysanthus J. M. Porter & R. Patterson USA: California [data not captured] M. F. Spencer 362 1917-4-21
Polygonaceae GH: 01717434 Centrostegia thurberi A. Gray USA: California near Victorville. Mohave Desert M. F. Spencer 421 1917-5-5
GH: 01717495 Chorizanthe brevicornu Torrey USA: California Mohave Desert M. F. Spencer 558 1917-5-9
GH: 01717571 Chorizanthe fimbriata Nuttall USA: California [no additional data] M. F. Spencer 596 1917-6-25
GH: 00364444 Eriogonum plumatella Durand & Hilgard USA: California Mohave Desert M. F. Spencer 634 1917-10-4
GH: 00364447 Eriogonum plumatella Durand & Hilgard USA: California Mohave Desert M. F. Spencer 634 1917-10-4
GH: 01986907 Eriogonum pusillum Torrey & A. Gray USA: California [data not captured] M. F. Spencer 610 1917-5-4
GH: 01986911 Eriogonum pusillum Torrey & A. Gray USA: California [data not captured] M. F. Spencer 441 1917-5-16
GH: 01986937 Eriogonum pusillum Torrey & A. Gray USA: California [data not captured] M. F. Spencer 546 1917-4-23
GH: 01986910 Eriogonum pusillum Torrey & A. Gray USA: California [data not captured] M. F. Spencer 440 1917-5-16
GH: 01986908 Eriogonum pusillum Torrey & A. Gray USA: California [data not captured] M. F. Spencer 610 1917-5-4
GH: 01986908 Eriogonum thomasii Torrey USA: California [data not captured] M. F. Spencer 610 1917-5-4
GH: 01966973 Eriogonum thomasii Torrey USA: California [data not captured] M. F. Spencer 249 1917-3-25
GH: 02043001 Eriogonum thurberi Torrey USA: California [data not captured] M. F. Spencer 513 1917-5-27
GH: 02364126 Oxytheca perfoliata Torrey & A. Gray USA: California [data not captured] M. F. Spencer 427 1917-5-4
Portulacaceae GH: 01858197 Calandrinia elegans Spach USA: California El Cajon Valley M. F. Spencer 230 1917-3-16
GH: 01858263 Cistanthe monandra (Nuttall) Hershkovitz USA: California Summit El Cajon Pass M. F. Spencer 550 1917-5-16
Ranunculaceae A: 00369686 Clematis pauciflora Nuttall USA: California Canyon in San Diego County M. F. Spencer 577 1917-1-25
A: 00369700 Clematis pauciflora Nuttall USA: California Canyon in San Diego County M. F. Spencer 577 1917-1-25
Rhamnaceae GH: 00367865 Adolphia californica S. Watson USA: California Canyon near San Diego M. F. Spencer 228 1917-3-16
GH: 01789530 Ceanothus foliosus Parry USA: California Pine Hills M. F. Spencer 497 1917-5-31
GH: 00349380 Ceanothus greggii perplexans (Trelease) Jepson USA: California Alpine M. F. Spencer 177 1917-4-8
GH: 00349935 Ceanothus hirsutus Nuttall ex Torrey & A. Gray USA: California [no additional data] M. F. Spencer 566 1917-4-10
GH: 00349935 Ceanothus oliganthus Nuttall USA: California [no additional data] M. F. Spencer 566 1917-4-10
GH: 00349380 Ceanothus perplexans Trelease USA: California Alpine M. F. Spencer 177 1917-4-8
A: 00425701 Ceanothus sp. USA: California Alpine M. F. Spencer 454 1917-4-13
GH: 00425707 Ceanothus sp. USA: California Alpine M. F. Spencer 454 1917-4-13
GH: 00378281 Rhamnus crocea Nuttall ex Torrey & A. Gray USA: California Alpine M. F. Spencer 135 1917-4-7
Rosaceae GH: 00346521 Prunus fremontii S. Watson USA: California Colorado Desert M. F. Spencer 236 1917
GH: 00346523 Prunus fremontii S. Watson USA: California Colorado Desert M. F. Spencer 236 1917
Rubiaceae GH: 00385937 Galium andrewsii A. Gray USA: California Pine Hills M. F. Spencer 517 1917-5-31
GH: 00385938 Galium andrewsii A. Gray USA: California Dedeano M. F. Spencer 517 1917-5-31
GH: 00417100 Galium stellatum Kellogg USA: California Colorado Desert M. F. Spencer 589 1917-4-8
Rutaceae GH: 00347898 Cneoridium dumosum (Nuttall ex Torrey & A. Gray) Hooker f. USA: California On slopes above Ocean Beach, near San Diego M. F. Spencer 269 1917-2-28
GH: 00376011 Thamnosma montana Torrey & Fremont USA: California Colorado Desert M. F. Spencer 226 1917-3-16
GH: 00376012 Thamnosma montana Torrey & Fremont USA: California Colorado Desert M. F. Spencer 226 1917-3-30
GH: 00376016 Thamnosma montana Torrey & Fremont USA: California Colorado Desert M. F. Spencer 226 1917-3-16
GH: 00376017 Thamnosma montana Torrey & Fremont USA: California Colorado Desert M. F. Spencer 226 1917-3-30
Saxifragaceae GH: 00380722 Ribes quercetorum Greene USA: California [no additional data] M. F. Spencer 264 1917-3-4
GH: 00380723 Ribes quercetorum Greene USA: California from the back country M. F. Spencer 264 1917-3-4
Simmondsiaceae GH: 00376044 Simmondsia californica Nuttall USA: California Colorado Desert M. F. Spencer 238 1917-3-26
GH: 00376044 Simmondsia chinensis (Link) C. K. Schneider USA: California Colorado Desert M. F. Spencer 238 1917-3-26
Solanaceae A: 00402556 Lycium andersonii A. Gray USA: California San Diego: Ocean Beach M. F. Spencer 266 1917-2-28
GH: 00402599 Lycium andersonii wrightii A. Gray USA: California San Diego: Ocean Beach M. F. Spencer 266 1917-2-28
GH: 00402599 Lycium californicum Nuttall ex A. Gray USA: California San Diego: Ocean Beach M. F. Spencer 266 1917-2-28
A: 00402614 Lycium cooperi A. Gray USA: California Hesperia, Mohave Desert M. F. Spencer 372 1917-4-28
GH: 00402630 Lycium cooperi A. Gray USA: California Hesperia M. F. Spencer 372 1917-4-28
GH: 00077157 Lycium spencerae J. F. Macbride USA: California Summit El Cajon Pass M. F. Spencer 366 1917-5-12
Violaceae GH: 00381966 Viola aurea mohavensis M. S. Baker & J. C. Clausen USA: California Mohave Desert M. F. Spencer 559 1917-5-2
GH: 00381966 Viola purpurea mohavensis (M. S. Baker & J. C. Clausen) J. C. Clausen USA: California Mohave Desert M. F. Spencer 559 1917-5-2
Zygophyllaceae A: 00347585 Covillea tridentata (Sessé & Moçiño ex de Candolle) Vail USA: California Colorado Desert M. F. Spencer 223 1917-3-31
GH: 00347607 Larrea mexicana Moricand USA: California Colorado Desert M. F. Spencer 223 1917-3-31
A: 00347585 Larrea tridentata (de Candolle) Coville USA: California Colorado Desert M. F. Spencer 223 1917-3-31
GH: 00347607 Larrea tridentata (de Candolle) Coville USA: California Colorado Desert M. F. Spencer 223 1917-3-31