Search Results — 2000 specimen records retrieved (1433 records with coordinates)
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Results for search: Collector=Davidson;   

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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA384203  Abies concolor Anstruther Davidson 1909-07 2179 San Bernardino Bear Valley, San Bernardino Mts. Comment
  RSA384623  Abies concolor Anstruther Davidson 1893-7-4 s.n. Los Angeles Big Rock. Comment
Read comments
Aug 8 2009
  NY29509  Abies lowiana C. Davidson 1977-5-27 5784 San Bernardino Trail up north side of Clark Mountain, departing from Colosseum Mine Road, ca. 2.6 miles south of Powerline Road 1889.8 Comment
  SBBG330  Abies magnifica var. shastensis J. F. Davidson, J. M. Tucker 1947-5-17 1563 Siskiyou N side of Scott Mtn, ca. 200 feet below summit 2011 Comment
  UC7622  Abronia pogonantha Dr. A. Davidson 1895-1 Kern Mohave Comment
  UCR24597  Abronia pogonantha Leota Davidson 1965-5-15 129 San Bernardino Mojave Desert, between Victorville and Mojave Comment
  RSA461011  Abronia turbinata Christopher Davidson 1976-5-22 4020 Inyo Eureka Dunes, at south end of Eureka Valley. 854 Comment
  RSA461029  Abronia villosa Christopher Davidson 1979-4-4 7674 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  RSA416163  Acamptopappus sphaerocephalus var. sphaerocephalus Anstruther Davidson 1993-4-10 s.n. Riverside Palm Springs. Comment
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Mar 20 2013
  SEINET4068417 Image available Acer negundo var. californicum C. Davidson 1976-1 3988 Inyo Ulymeyer Spg., on Waucoba Rd., about 1 mile east of junction with Westgard Road. 1196 Comment
  SCFS572  Achillea millefolium E. Davidson 1964-6-29 629644 Nevada Sagehen Basin, Ca 30 yds S of station on mdw edge 1951 Comment
  RSA416201  Achillea millefolium var. californica Anstruther Davidson 1927-8-1 s.n. Fresno Head Kings River 335 Comment
  RSA484120  Achnatherum nevadense Anstruther Davidson 1911-07 2535 Inyo Bishop Creek Comment
  POM353193  Achnatherum speciosum Christopher Davidson, B. Gustafson 1977-4-7 5583 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. Hillside, N slope 610 Comment
  RSA423478  Achyronychia cooperi Christopher Davidson 1979-4-28 7775 Imperial Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob 79 Comment
  RSA423499  Achyronychia cooperi Christopher Davidson 1977-5-29 5856 San Bernardino East Mojave Desert, ca. 2 miles S of Kelso on Kelbaker Rd. (E of Kelso Dunes) 671 Comment
  SD107319  Acmispon americanus Christopher Davidson 1975-8-16 3129 San Bernardino East end of Bluff Lake. 2316 Comment
  UC15675  Acmispon argophyllus var. argenteus Dr. A. Davidson 1891-1 5 Los Angeles Catalina Island. Comment
  SBBG44749  Acmispon rigidus Leota Davidson 1965-5-11 179 Riverside Joshua Tree Nat Monument Comment
  POM365539  Aconitum columbianum var. columbianum Anstruther Davidson 1908-07 s.n. Tulare Sequoia National Forest. Comment
  POM365585  Actaea rubra subsp. arguta Anstruther Davidson 1908-07 1965 Tulare Sequoia National Forest. Comment
  RSA416328  Adenocaulon bicolor Anstruther Davidson 1908-07 s.n. Tulare Sequoia National Forest. Comment
  SBBG44519  Adenostoma fasciculatum var. fasciculatum Leota Davidson 1966-5-14 252 Los Angeles S of Oak Flat Cmpgrd on Whitaker Peak Lookout rd, 10 mi from Castaic jct, Hwy 99 Comment
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Jul 1 2015
  RSA453191  Adenostoma sparsifolium Anstruther Davidson 1894-1 s.n. San Diego San Julian Comment
  RSA687734  Adiantum aleuticum Christopher Davidson 1977-6-19 5985 Mendocino 2.2 miles east of Gualala on County Road 502; bridge over Gualala River. 15 Comment
  RSA687735  Adiantum aleuticum Christopher Davidson 1973-5-30 2221 Mendocino 8 miles east of Ft. Bragg on St. Highway 20. Comment
  SEINET3861324 Image available Adiantum capillus-veneris C. Davidson 2007-6-5 11061 Shasta Lake Shasta/Packer's Bay Marina: Water's Gulch Trail.; 0 366 Comment
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Feb 10 2016
  UCD23278  Aegilops triuncialis Eric Davidson 1972-1-5 410 Sacramento Roadside on Hwy 50 E. of Sacramento. Comment
  RSA409476  Agastache urticifolia Anstruther Davidson 1908-07 1691 Tulare Sequoia National Forest. Comment
  POM358212  Ageratina occidentalis Christopher Davidson 1970-9-10 7457 Mono Trail to lake Mildred, 1-5 miles SW of Convict Lake, SW of highway 395. Along Convict Creek. 2591 Comment
  RSA416393  Agoseris grandiflora Christopher Davidson 1977-6-20 6027 Sonoma Dry Cr. Rd. 8.6 mi. W of Geyserville. 91 Comment
  RSA474574  Agoseris heterophylla Christopher Davidson 1976-6-26 4456 San Bernardino Northwest end of Baldwin Lake, Northwest of Highway 38. 1982 Comment
  RSA416420  Agoseris retrorsa Anstruther Davidson, Harpe 1906-06 1471 Los Angeles Big Rock Creek. Comment
  RSA416441  Agoseris retrorsa Christopher Davidson 1975-6-22 2860 Ventura 1/2 mile beyond Lookout on Frazier Mtn on rd 8N04B. 2324 Comment
  UCSB50570  Agrostis idahoensis Christopher Davidson and Robert F. Thorne 1976-8-15 4677 San Bernardino collected along the upper South Fork Meadow Rd, in the San Gorgonio Wilderness Area, of the San Bernardino Mountains South Fork Meadow Rd, San Gorgonio Wilderness Area 2439-2682 Comment
  RSA263984  Agrostis scabra Christopher Davidson, Robert F. Thorne 1976-8-15 4650 San Bernardino San Bernardino Mountains. Upper South Fork Meadow, San Gorgonio Wilderness Area. 2439 Comment
  RSA385479  Agrostis scabra Christopher Davidson, Robert F. Thorne 1976-8-14 4506 San Bernardino San Bernardino Mountains, Fish Creek, on Forest Service Road 1N05, S of Heart Bar State Park. 1982 Comment
  RSA385483  Agrostis scabra Anstruther Davidson 1909-07 2326 San Bernardino Bear Valley, San Bernardino Mts. Comment
  SD107320  Agrostis scabra Christopher Davidson 1975-8-16 3099 San Bernardino East end of Bluff Lake, along small forest runoff channel 2-3 feet deep, damp bottom and banks, drying into grassland on west end towaerd lake. 2316 Comment
  RSA469448  Aliciella lottiae Christopher Davidson 1976-5-22 4018 Inyo Eureka Dunes, at south end of Eureka Valley. 854 Comment
  RSA469453  Aliciella lottiae Anstruther Davidson 1900-5-1 s.n. Los Angeles Lovejoy Butte. Comment
  RSA353530  Alisma triviale Christopher Davidson 1977-6-17 5881 Sonoma State Highway 12 ca. 3 miles west of Guerneville, along Russian River 15 Comment
  RSA411796  Allenrolfea occidentalis Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  RSA462624  Allionia incarnata Christopher Davidson, J. Jones 1980-4-4 9946 Riverside Orocopia Mts. West end of the mountains in a small canyon and wash almost due south of Oro Peak. 518 Comment
  RSA367061  Allium amplectens Christopher Davidson 1975-6-4 2638 Shasta Hwy 89, 10 miles N of jct with Hwy 299. 915 Comment
  RSA366439  Allium atrorubens var. inyonis Christopher Davidson 1976-6-8 4292 Inyo White Mountains, On Westgard Road., 7 mi N of junction with Waucoba Road. (2.2 mi past Toll House) 2058 Comment
  RSA367037  Allium campanulatum Anstruther Davidson 1921-7-1 3467 Mariposa Yosemite. Comment
Read comments
Jun 10 2012
  RSA366453  Allium fimbriatum var. fimbriatum Christopher Davidson 1975-6-22 2838 Ventura 2 miles S of Chuchupate Forest Station on road 8N04 to Frazier Mountain 1509 Comment
  RSA367045  Allium fimbriatum var. mohavense Anstruther Davidson 1910-4-25 2447 Inyo Haiwee Comment
  RSA367029  Allium lacunosum var. lacunosum Anstruther Davidson 2802 Los Angeles Catalina [Island] Comment
  RSA0000113  Allium montigenum Anstruther Davidson 1914-6-1 2974 Los Angeles San Gabriel Canon. Comment
  RSA366485  Allium parishii Christopher Davidson 1973-4-19 1946 San Bernardino Joshua Tree National Park. Ca. 5 miles E of Split rock 1189 Comment
  RSA367110  Allium platycaule Christopher Davidson 1975-6-4 2590 Modoc 0.4 miles E of Hwy 395 on Hwy 299 toward Cedarville. 1380 Comment
  RSA367139  Allium validum Anstruther Davidson 1911-07 2651 Inyo Andrews Camp. Bishop Creek [Now Bishop]. Comment
  SCFS5275  Allium validum E. Davidson 1964-7-15 071564 -15 Nevada Found in marshy area along Sagehen Creek about 0.5 mile southwest of station Comment
  RSA410092  Allophyllum glutinosum Anstruther Davidson 1891-9-10 s.n. Los Angeles Topanga Canyon Comment
  POM367155  Allotropa virgata Anstruther Davidson 1908-07 1764 Tulare Sequoia National Forest. Comment
  RSA385631  Alopecurus aequalis Christopher Davidson 1975-8-16 3136 San Bernardino NE shore of Bluff Lake, S of Big Bear Lake. 2317 Comment
  RSA385633  Alopecurus aequalis Anstruther Davidson s.n. Unknown [no locality information provided] Comment
  RSA402972  Amaranthus blitoides Anstruther Davidson 1917-9-1 s.n. Los Angeles Streets, Los Angeles Comment
  RSA404559  Amaranthus powellii Anstruther Davidson 1917-10 3298 Los Angeles Streets. Comment
  UCR143337  Amaranthus powellii Anstruther Davidson 1917-1 3299 Los Angeles Los Angeles Basin, Los Angeles 152 Comment
  SBBG51942  Ambrosia acanthicarpa C. Davidson 1975-8-30 3244 San Bernardino 7.8 mi S and W of Onyx summit on St Hwy 38, College Camp rd branching S of Hwy 38, above Wildhorse Crk 1981 Comment
  RSA416936  Ambrosia chamissonis var. chamissonis Christopher Davidson 1977-6-24 6114 Mendocino Russian Gulch State park and Beach, a few miles north of city of Mendocino. Comment
  RSA416953  Ambrosia dumosa Christopher Davidson 1973-3-9 1676 Inyo Death Valley National Monument, 1 mile SE of Ashford jct. 114 Comment
  SBBG25177  Ambrosia dumosa Leota Davidson 1966-4-5 234 Riverside near intersection on Wyley Wells Rd, off Interstate 10 between Desert Center and Blythe, Chuckawalla Mts Comment
Read comments
Apr 5 2011
  SEINET4001667 Image available Ambrosia dumosa C. Davidson 1973-1 1717 Inyo Death Valley National Monument Rhodes Wash below Junction withBradbury Wash, 1/2 mile southwest of Jubilee Pass on St 178. Comment
  RSA417005  Ambrosia eriocentra Christopher Davidson 1977-5-28 5788 San Bernardino North side of Clark Mtn. On Colosseum Mine Rd, ca. 2.6 mi. S of junction with Powerline Rd. 1524 Comment
  RSA416990  Ambrosia psilostachya Anstruther Davidson 1899-7-23 s.n. Los Angeles Brooks (flul?) near Santa Monica. Comment
  SBBG25159  Ambrosia salsola var. salsola Leota Davidson 1965-5-14 113 Riverside Pinto Wash, Joshua Tree Nat Monument Comment
  RSA453128  Amelanchier pallida Anstruther Davidson 1911-7-1 2707 Inyo Andrews Camp; Bishop Creek. Comment
  RSA453129  Amelanchier pallida Anstruther Davidson 1908-07 1839 Tulare Sequoia National Forest. Comment
  RSA453135  Amelanchier pallida Christopher Davidson 1975-6-3 2588 Modoc Hwy 395N of Alturas, E of Goose l. 1 miles S of Willow Ranch. 1341 Comment
  RSA453150  Amelanchier pallida Christopher Davidson 1975-6-5 2686 Siskiyou 0.8 mile N of Scott Mtn Summit on Hwy 3. 1585 Comment
  RSA453152  Amelanchier utahensis Christopher Davidson 1976-6-9 4383 San Bernardino Hwy 38, 0.5 miles east of Hart's Bar State Park. 2134 Comment
  HSC47182  Amorpha californica Christopher Davidson 1978-6-18 7307 San Bernardino San Bernardino Mtns., Hwy. 18, 10.2 mi. SE of Lucerne Valley, 1.6 mi. inside San Bernardino National Forest, below Whiskey Springs, opposite Chicopee Creek and Canyon. 1616 Comment
  SBBG68008  Amorpha californica Anstruther Davidson -May-1893 Riverside Banning Comment
  RSA416570  Amphipappus fremontii Anstruther Davidson 1928-3-28 114 Inyo Boundary Canyon, Death Valley. Comment
  SEINET4001717 Image available Amphipappus fremontii var. fremontii C. Davidson 1976-1 4044 Inyo Last Chance Mountains, directly east of Eureka Dune, south end of Eureka Valley. 914 Comment
  POM368127  Amsinckia Anstruther Davidson 1908-07 1641 Tulare Sequoia National Forest. Comment
  POM369914  Amsinckia tessellata Anstruther Davidson 1926-05 s.n. Kern Mojave Comment
  UCR70723  Amsonia tomentosa Christopher Davidson 1973-4-19 1979 San Bernardino Southern Mojave Desert, Joshua Tree National Monument, 4 mi east of Split Rock 1223 Comment
  RSA416592  Anaphalis margaritacea Anstruther Davidson 1928-07 s.n. Butte Feather River Comment
  RSA385148  Andropogon glomeratus Anstruther Davidson 1898-1 s.n. Riverside Palm Springs. Comment
  SBBG2105  Anemone drummondii J. F. Davidson, J. M. Tucker 1947-5-17 1566 Siskiyou summit of Scott Mtn 2072 Comment
  HSC82779  Anemopsis californica Christopher Davidson, A. P. Romspert 1979-5-17 7983 Inyo Panamint Mountains, Johnson Canyon, trail up creek to Hungry Bill's. 1189 Comment
  SBBG68176  Anisocoma acaulis Anstruther Davidson -Jun-1893 Los Angeles Lancaster Comment
  UC29460  Anisocoma acaulis A. Davidson 1894-5-10 Los Angeles Antelope Valley Comment
  RSA416642  Anisocoma acaulis Christopher Davidson 1973-3-26 1765 Kern 1.5 miles W on dirt rd to fossil diggings off Claymore Rd. Boron Dry Lake region. 17 mi E of Mojave, Mojave Desert. 822 Comment
  RSA416707  Antennaria rosea Anstruther Davidson 1908-07 s.n. Tulare Sequoia National Forest. Comment
  RSA425778  Antirrhinum coulterianum Anstruther Davidson s.n. Los Angeles Catalina [Island] Comment
  RSA425799  Antirrhinum coulterianum Anstruther Davidson 1923-1 s.n. San Diego Fallbrook. Comment
  RSA248656  Antirrhinum coulterianum Christopher Davidson 1974-6-4 2290 Los Angeles Tapia Park, off Malibu Canyon rd. 46 Comment
  RSA425798  Antirrhinum coulterianum Anstruther Davidson 1923-4-11 s.n. San Diego [Unspecified] Comment
  RSA425812  Antirrhinum filipes Christopher Davidson, J. Jones 1980-4-4 9944 Riverside West end of the Orocopia Mountains in a small canyon and wash almost due south of Oro Peak. Comment
Read comments
Sep 17 2011
  RSA447923  Antirrhinum kingii Anstruther Davidson 1925-4-10 s.n. Inyo Haiwee Creek Comment
  SBBG45541  Antirrhinum multiflorum Leota Davidson 1965-7-4 170 Santa Barbara between Figueroa Cmpgrd and Davy Brown Camp Comment
  RSA470378  Apiastrum angustifolium Anstruther Davidson 1890-09 s.n. Los Angeles Foothills. Comment
  RSA401398  Apocynum Anstruther Davidson 1930-7-11 2690 Inyo Bishop Comment
  RSA403082  Apocynum androsaemifolium Anstruther Davidson 1895-9-1 s.n. San Bernardino Bear Valley, San Bernardino Mountains. Comment
  RSA401381  Apocynum androsaemifolium subsp. pumilum Anstruther Davidson 1908-07 s.n. Tulare Sequoia National Forest. Comment
  RSA403094  Apocynum cannabinum Anstruther Davidson 1902-5-1 1098 Los Angeles Riveria Comment
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Sep 11 2007
  RSA403095  Apocynum cannabinum Anstruther Davidson 1943-4-25 s.n. San Diego De Luz Canyon: Along De Luz-Murrieta Road and De Luz Creek. 150 Comment
  SCFS781  Aquilegia formosa E. Davidson 1964-6-23 623647 Nevada Sagehen Basin, 2 mi W of station on roadside ca. 0.25 mi W of sm stream 2012 Comment
  POM366902  Aquilegia formosa var. truncata Christopher Davidson 1974-6-23 2359 Mono Inyo National Forest, St. Hwy 120, 5 miles E of Tioga Pass. 2591 Comment
  POM366935  Aquilegia formosa var. truncata Anstruther Davidson 1911-07 2667 Inyo Bishop Creek. Comment
  POM366973  Aquilegia pubescens Anstruther Davidson 1913-7-11 2643 Inyo North Lake Comment
  RSA482741  Arabis davidsonii Anstruther Davidson 1913-07 2935 Inyo South Lake. 2744 Comment
  RSA0126144  Arabis divaricarpa Anstruther Davidson 1908-07 1847 Tulare Sequoia National Forest. Comment
  RSA0126432  Arabis glabra Anstruther Davidson 1890-05 s.n. Los Angeles [no locality information provided] Comment
  RSA0129286  Arabis holboellii var. pinetorum Anstruther Davidson 1911-07 2824 Inyo Andrews Camp. Bishop Creek [Now Bishop]. Comment
  RSA477469  Arabis holboellii var. retrofracta Anstruther Davidson 2730 Inyo Bishop. Comment
  RSA0129570  Arabis inyoensis Christopher Davidson, Alan Romspert 1979-5-17 8027 Inyo Panamint Mts. Hanaupah Canyon. Ca. 9 mi west of junction up Hanaupah Canyon wash. 1006 Comment
  RSA0125916  Arabis ovata Anstruther Davidson 2731 Inyo Near S Lake, Bishop Creek. Comment
  RSA482593  Arabis perennans Anstruther Davidson 1909-07 2182 San Bernardino Bear Valley. 1828 Comment
Read comments
Dec 18 2007
  RSA477468  Arabis puberula Anstruther Davidson 1911-07 2827 Inyo Andrews Camp. Bishop Creek [Now Bishop]. Comment
  RSA482617  Arabis pulchra Christopher Davidson 1976-6-4 4183 Inyo Harkless Flat Road, 1.3 mile S of jct. with Waucoba Road 2073 Comment
  RSA482620  Arabis pulchra Christopher Davidson 3932 Inyo U.S. Naval Ordnance Test Station. Sheep Canyon (also called Renegade Canyon) petroglyph site. 1554 Comment
  RSA482633  Arabis pulchra var. pulchra Christopher Davidson 1976-6-9 4355 San Bernardino on State Highway 18, 0.6 mile NW of the summit on Cushenbury Grade. 1982 Comment
  RSA482743  Arabis shockleyi Christopher Davidson 1976-5-23 4069 Inyo on Waucoba Rd., 1.6 mi E of Saline Valley junction. Off small dirt road to N, site overlooking Little Cowhorn Valley; 2255 Comment
  POM367169  Arbutus menziesii Christopher Davidson 1977-6-20 6014 Sonoma Dry Cr. Rd. 8.6 mi. W of Geyserville. 91 Comment
  RSA101659  Arbutus menziesii Anstruther Davidson s.n. Nevada Bloody run Comment
  POM367280  Arctostaphylos glandulosa subsp. mollis Anstruther Davidson 1908-04 1799 Los Angeles Mt. Hollywood, Cal. Comment
  POM367323  Arctostaphylos glauca Christopher Davidson, B. Gustafson, D. A. Reynolds 1979-5-9 7849 San Bernardino St Highway 18 up Cushenbury Canyon, ca. 1/4 mi inside San Bernardino Nat'l Forest boundary. 1418 Comment
  RSA367301  Arctostaphylos glauca Anstruther Davidson 1892-8-22 1769 Los Angeles Wilson's Peak Comment
  POM367222  Arctostaphylos parryana Anstruther Davidson 1901-07 2170 San Bernardino Bear Valley, San Bernardino Mountains. Comment
  POM367403  Arctostaphylos patula Christopher Davidson 1975-6-5 2649 Siskiyou 2.4 mi E of town of Mt. Shasta on Mt. Shasta Uplands Rd. 1280 Comment
  SBBG52250  Arctostaphylos patula C. Davidson 1975-8-30 3223 San Bernardino S of Big Bear Lake on rd 2N10, 4.2 mi E of jct to Clark's Ranch. 2363 Comment
  POM367399  Arctostaphylos patula subsp. platyphylla Anstruther Davidson 1905-07 2172 San Bernardino San Bernardino Mountains Comment
  POM367436  Arctostaphylos pringlei subsp. drupacea Anstruther Davidson 1899-5-4 184 San Diego Base of Coronado Incline Comment
Read comments
Nov 5 2016
  POM367451  Arctostaphylos pungens Anstruther Davidson 1909-07 2318 San Bernardino Seven Oaks. San Bernardino Mountains. Comment
  POM367220  Arctostaphylos purissima Anstruther Davidson 1930-10 3662 Santa Barbara Lompoc Comment
  RSA233014  Arctostaphylos tomentosa subsp. crustacea Christopher Davidson 1966-4-7 384 Santa Clara 10 miles E. of Watsonville on State Hwy 152. 457 Comment
  RSA423543A  Arenaria Anstruther Davidson 1908-07 1890 Tulare Sequoia National Forest. Comment
  RSA423563  Arenaria kingii subsp. compacta Christopher Davidson 1978-9-10 7482 Mono Trail to Lake Mildred, 1-5 mi SW of Convict Lake, SW of Hwy 395 2287 Comment
  RSA471396  Arenaria lanuginosa subsp. saxosa Christopher Davidson, R. F. Thorne 1976-8-15 4719 San Bernardino San Bernardino Mts., Lower South Fork Meadow, San Gorgonio Wilderness Area. By trail, toward Poopout Hill. 2317 Comment
  RSA423680  Arenaria ursina Christopher Davidson 1976-6-9 4372 San Bernardino Dirt road departing from State Hwy 18 at Cushenbury Grade, connecting with Rose Mine road. 2072 Comment
  SBBG55867  Argemone corymbosa C. Davidson 1977-5-29 5855 San Bernardino ca. 2 mi S of Kelso on Kelbaker Rd (E of Kelso Dunes) 670 Comment
  CAS-BOT-BC65753  Argyrochosma jonesii Dr. A. Davidson 1893-4-1 s.n. Riverside Agua Caliente [now also known as Palm Springs] Comment
  RSA385037  Aristida Christopher Davidson 1977-5-26 5681 San Bernardino Clark Mountain, Pachalka Spring. 1524 Comment
  RSA385013  Aristida adscensionis var. modesta Anstruther Davidson 1890-06 s.n. Los Angeles Sunnyside. Near Los Angeles. Comment
Read comments
May 26 2015
  HSC83052  Aristida californica Christopher Davidson, A. P. Romspert, H. Surprenant 1979-4-28 7760 Imperial Ogilby Rd., Algodones Dunes, dirt track continuation of Ogilby Rd. toward All American Canal, ca 1/8 mi. from the canal 41 Comment
  RSA385029  Aristida ternipes var. gentilis Anstruther Davidson 1892-1 s.n. Los Angeles Los Angeles Comment
  UC60829  Aristida ternipes var. hamulosa Dr. A. Davidson Los Angeles Pasadena Comment
  RSA417131  Arnica chamissonis subsp. foliosa Anstruther Davidson 1908-07 s.n. Tulare Wolverton Creek, Sequoia National Forest Comment
  RSA417133  Arnica chamissonis subsp. foliosa Anstruther Davidson 1930-1 s.n. Mono Round Valley Comment
  RSA417223  Artemisia biennis Anstruther Davidson 1891-1 s.n. Los Angeles E. Los Angeles. Comment
  RSA417279  Artemisia douglasiana Anstruther Davidson 1901-8-1 623 Los Angeles El Monte. Comment
  HSC46420  Artemisia dracunculus Christopher Davidson, John A. Churchill M. D. 1976-9-16 4748 Ventura Meadow on S side of the road to Mount Pinos summit, ca. 1.1 mi. S of the parking lot at the end of the pavement. Elevation 7875 ft. 2401 Comment
  RSA417322  Artemisia dracunculus Anstruther Davidson 1911-7-1 2564 Inyo Bishop Creek. Comment
  RSA263948  Artemisia ludoviciana Christopher Davidson, R. F. Thorne 1976-8-14 4520 San Bernardino Fish Cr., on Forest Service Rd 1N05, S of Heart Bar St. Park. 1981 Comment
  RSA417216  Artemisia ludoviciana subsp. incompta Anstruther Davidson 1897-1 2054 Los Angeles Big rock Creek 1524 Comment
  RSA417435  Artemisia nova Christopher Davidson 1978-9-10 7491 Inyo On Waucoba Road, 1.6 miles east of Saline Valley junction, off small dirt road to the north, site overlooking Little Cowhorn Valley 2256 Comment
  RSA417374  Artemisia spinescens Christopher Davidson 1976-5-22 3975 Inyo On Waucoba Rd, ca. 0.4 mi E of junction with Westguard Rd, toward Eureka Dune. 1174 Comment
  RSA417375  Artemisia spinescens Christopher Davidson 1976-6-4 4176 Inyo Harkless Flat Road, 1.3 mile S of jct. with Waucoba Road 2073 Comment
  RSA417377  Artemisia spinescens Anstruther Davidson 1916-9-25 2439 Inyo Haiwee. Comment
  RSA455889  Artemisia spinescens Anstruther Davidson 1910-4-25 2439 Inyo Haiwee Comment
  SCFS590  Artemisia tridentata E. Davidson 1964-7-22 722647 Nevada Sagehen Basin, Ca 0.25 mi E of station on rd 1951 Comment
  RSA417426  Artemisia tridentata Anstruther Davidson 1893-1 s.n. San Diego [no locality information provided] Comment
  RSA416102  Asarum hartwegii Anstruther Davidson 1908-07 s.n. Tulare Sequoia National Forest. Comment
  RSA401677A  Asclepias eriocarpa Christopher Davidson 1975-6-29 2947 Kern San Emigdio Canyon, following old Mil Potrero Rd. along San Emigdio Cr. Los Padres Nat. For. 1646 Comment
  RSA401680A  Asclepias eriocarpa Anstruther Davidson 1921-6-1 s.n. Los Angeles Los Angeles. Comment
Read comments
Oct 27 2015
  RSA417596  Aster ascendens Anstruther Davidson 1911-07 2608 Inyo Bishop Creek. Comment
  POM351090  Aster frondosus Anstruther Davidson 1911-7-1 2568 Inyo Bishop Creek. Comment
  RSA417692  Aster occidentalis Christopher Davidson 1976-8-14 4572 San Bernardino Fish Creek Meadows, at the end of Forest Service Road 1N05, S of Heart Bar State Park. 2439 Comment
  RSA263618  Aster occidentalis var. parishii Christopher Davidson, R. F. Thorne 1976-8-14 4599 a San Bernardino Fish Cr., on Forest Service Rd 1N05, S of Heart Bar St. Park. 1981 Comment
  RSA759633  Astragalus Christopher Davidson, B. Gustafson, D. Reynolds 1979-5-9 7862 San Bernardino St Highway 18 up Cushenbury Canyon, ca. 1.7 miles inside San Bernardino Natl Forest boundary; Dirt rd NE. 1524 Comment
  RSA415775  Astragalus acutirostris Anstruther Davidson 1893-5-12 s.n Los Angeles Lancaster. Comment
  RSA415421  Astragalus bicristatus Anstruther Davidson 1895-9-1 s.n. San Bernardino Bear Valley, San Bernardino Mountains. Comment
  CAS-BOT-BC180497  Astragalus brauntonii A. Davidson 1906-6-1 s.n. Los Angeles Sherman Comment
  RSA415496  Astragalus douglasii var. parishii Christopher Davidson 1976-6-9 4387 San Bernardino Hwy 38, 0.5 miles east of Hart's Bar State Park. 2134 Comment
  RSA271940  Astragalus filipes Christopher Davidson 1975-6-4 2627 Modoc Canby Bridge across Pit R., ca. 4 mi. S of Canby on Hwy 299. 1341 Comment
  RSA415802  Astragalus filipes Christopher Davidson 1973-5-24 2106 Modoc S of Alturas on County Rd 63 off Hwy 395 near Likely. 1311 Comment
  RSA415811  Astragalus inyoensis Christopher Davidson 1976-6-8 4301 Inyo White Mountains, On Westgard Road., 7 mi N of junction with Waucoba Road. (2.2 mi past Toll House) 2058 Comment
  RSA415526  Astragalus layneae Anstruther Davidson 1910-4-25 2369 Inyo Haiwee Comment
  HSC66565  Astragalus lentiginosus var. coachellae Christopher Davidson, A. P. Romspert, H. Surprenant 1979-4-29 7815 Riverside W of Indio, 3 mi. E of Date Palm Dr. 15 Comment
  RSA415588  Astragalus lentiginosus var. coachellae Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-29 7815 Riverside West of Indio, 3 miles E of Date Palm Drive. 15 Comment
  SBBG25221  Astragalus lentiginosus var. floribundus Leota Davidson 1965-5-9 186 San Bernardino between Victorville and Joshua Tree Comment
Read comments
Sep 7 2011
  RSA415591  Astragalus lentiginosus var. fremontii Christopher Davidson 1975-6-22 2830 Ventura 2 miles S of Chuchupate Forest Station on road 8N04 to Frazier Mountain. 1509 Comment
  RSA415593  Astragalus lentiginosus var. ineptus Christopher Davidson 1978-9-10 7465 Mono Trail to Lake Mildred, 1-5 miles SW of Convict Lake, SW of Hwy 395. 2896 Comment
  RSA415561  Astragalus lentiginosus var. variabilis Christopher Davidson 1973-3-26 1773 Kern 15 miles W on dirt road to fossil diggings of Claymine Road, Boron Dry Lake region, 17 miles E of Mojave 823 Comment
  RSA415563  Astragalus lentiginosus var. variabilis Anstruther Davidson 1926-5-26 s.n Los Angeles Near Llano? Comment
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Aug 8 2010
  RSA415571  Astragalus lentiginosus var. variabilis Christopher Davidson, B. Gustafson, Don A. Reynolds 1979-5-9 7892 San Bernardino Apple Valley. St Hwy 18, 1.8 mi E of jct with Bear Valley Cutoff. 944 Comment
  RSA415573  Astragalus lentiginosus var. variabilis Christopher Davidson, B. Gustafson, R. F. Thorne 1979-5-22 8124 San Bernardino Apple Valley ca. 1 mi. S of Hwy 18 on Grapevine Canyon Road 976 Comment
  RSA271905  Astragalus malacus Christopher Davidson 1975-6-8 2800 Mono 2.2 mi. N of Conway Summit (8 mi. S of Bridgeport) on Hwy 395. 2317 Comment
  RSA415617  Astragalus minthorniae var. villosus Christopher Davidson, B. Gustafson, Don A. Reynolds 1979-5-9 7865 -A San Bernardino St Highway 18 up Cushenbury Canyon, ca. 1.7 miles inside San Bernardino National Forest boundary; Dirt rd NE. 1524 Comment
  RSA415615  Astragalus minthorniae var. villosus Christopher Davidson 1976-5-22 4051 Inyo On Waucoba Rd., 1.6 mi E of Saline Valley Junction. Small dirt rd. to the north, site over-looking Little Cowhorn Valley 2226 Comment
  SD99362  Astragalus mohavensis var. mohavensis Christopher Davidson 1977-5-26 5697 San Bernardino Clark Mountains, Pachalka Spring, SW-sloping limestone hillside 1525 Comment
  RSA415826  Astragalus nutans Christopher Davidson 1977-5-28 5799 San Bernardino New York Mountains, Keystone Springs, toward head of Keystone Canyon, east side of New York Mts. 1828 Comment
  SEINET4032590  Astragalus pachypus var. pachypus C. Davidson 1975-1 2537 Ventura E. of Ozena Sta. on Forest Serv. Rd. 9N03, Juct. of Rd. 9N03 and 9N03C. 1219 Comment
  RSA415405  Astragalus sabulonum Christopher Davidson 1976-6-5 4217 Inyo Eureka Dune, S end of Eureka Valley. 854 Comment
  RSA415765  Astragalus whitneyi var. confusus Christopher Davidson 1973-5-26 2122 Modoc 4 miles W of Canby on Hwy 299. 1341 Comment
  RSA686535  Astrolepis cochisensis Christopher Davidson 1977-5-26 5713 San Bernardino Clark Mountains; Pachalka Spring 1524 Comment
  RSA263925  Athyrium filix-femina Christopher Davidson, Robert F. Thorne 1976-8-15 4704 San Bernardino San Bernardino Mountains: Lower South Fork Meadow, San Gorgonio Wilderness Area. 2317 Comment
  RSA482795  Athysanus pusillus Anstruther Davidson 1892-04 s.n. Los Angeles Los Angeles. El Monte. Comment
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Oct 3 2010
  RSA482797  Athysanus pusillus Christopher Davidson 1973-4-1 1822 Riverside Jct. Vail Lake Marina and Hwy. 71/79, about 3 miles west of Aguanga. 427 Comment
  RSA418188  Atrichoseris platyphylla Anstruther Davidson 1922-03 3483 Riverside Mecca Comment
  RSA418189  Atrichoseris platyphylla Christopher Davidson 1979-4-4 7697 Riverside Orocopia Mts, lower end of Box Canyon on Box Canyon road, 4.4 miles E of Mecca. 213 Comment
  RSA452448  Atriplex Anstruther Davidson 1925-1 s.n. Riverside Colorado Desert Comment
  RSA452453  Atriplex Anstruther Davidson s.n. Los Angeles San Gabriel Mountains. Comment
  HSC66176  Atriplex canescens var. canescens Christopher Davidson, A. P. Romspert 1979-5-17 7998 Inyo Panamint Mtns., Johnson Canyon, trail up the creek to Hungry Bill's 1189 Comment
  RSA452424  Atriplex confertifolia Anstruther Davidson s.n. Los Angeles Acton. Comment
  RSA452425  Atriplex confertifolia Anstruther Davidson 1926-8-1 s.n. Los Angeles Mojave Desert. Comment
  HSC24443  Atriplex watsonii Christopher Davidson 1970-7-27 1502 Orange Bolsa Chica salt marsh, 1 mi. S of Warner Ave., opposite Seal Beach Comment
  POM350361  Baccharis salicifolia Anstruther Davidson 2014 Los Angeles E. Los Angeles. Comment
  POM350373  Baccharis salicifolia Christopher Davidson, Robert Gustafson 1977-4-7 5577 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. Hillside, N slope 610 Comment
  POM350388  Baccharis salicifolia Christopher Davidson 1973-6-1 2237 Ventura Sespe Cr, turnoff on dirt road ca 6 mi N of Wheeler Spgs on Hwy 33. Los Padres Nat. For. 915 Comment
  POM4001  Baccharis salicifolia Anstruther Davidson 1917-10 s.n. Los Angeles Streets. Comment
  UCR143456  Baccharis sergiloides Christopher Davidson, A. P. Romspert 1979-5-16 7948 Inyo Northern Mojave Desert, Panamint Mtns., Johnson Canyon; vicinity of lower spring at the end of the road; 20 mi SW of Badwater 1189 Comment
  POM350668  Baileya pauciradiata Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  POM350678  Baileya pleniradiata Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-28 7755 Imperial Algondones Dunes, dirt track continutation of Ogilby Rd, ca. 1/8 mi from All American Canal. 41 Comment
  POM350679  Baileya pleniradiata Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-29 7798 Imperial SW of railroad access road towards Glamis. foredunes of Pilot Knob Mesa, NE of Sand Hills. 107 Comment
  POM350740  Balsamorhiza hookeri var. lagocephala Christopher Davidson 1973-5-26 2116 Modoc 4 miles W of Canby on Hwy 299. 1341 Comment
  POM350742  Balsamorhiza lanata Christopher Davidson 1975-6-5 2656 Siskiyou just above gate on special service rd branching SE off rd from Gazelle to Callahan 9.3 mi. W of Gazelle. 1471 Comment
  RSA482813  Barbarea orthoceras Christopher Davidson 1973-5-24 2104 Modoc South of Alturas on County Road 63 off Highway 395, near Likely. 1311 Comment
  SCFS885  Barbarea orthoceras E. Davidson 1964-6-19 619642 Nevada Sagehen Basin, Ca. 30 yd E of station in mdw 1951 Comment
  RSA482826  Barbarea orthoceras Christopher Davidson 1975-6-5 2666 Siskiyou 0.8 mi. from gate on special service rd. branching SE of rd from Gazelle to Callahan, ca. 9.3 miles W of Gazelle. Klamath Nat. Forest. 1509 Comment
  POM350778  Bebbia juncea Christopher Davidson 1979-4-4 7688 Riverside Orocopia Mts, lower end of Box Canyon on Box Canyon road, 4.4 miles E of Mecca. 213 Comment
  SBBG60786  Bebbia juncea Anstruther Davidson 1895-1 Riverside Palm Springs Comment
  RSA435906  Berberis dictyota Anstruther Davidson 2208 San Bernardino San Bernardino Mountains. 7 Oaks meadow. Comment
  RSA435908  Berberis haematocarpa Christopher Davidson 1977-5-28 5806 San Bernardino Keystone Springs, toward head of Keystone Canyon, east side of New York Mts. 1828 Comment
  SBBG52674  Berberis haematocarpa C. Davidson 1977-5-28 5806 San Bernardino Keystone Spring, toward head of Keystone Cyn 1828 Comment
  SD99376  Berberis haematocarpa Christopher Davidson 1977-5-28 5806 San Bernardino East side New York Mountains, Keystone Spring, toward head of Keystone Canyon 1830 Comment
  POM369958  Betula occidentalis Christopher Davidson 1970-9-10 7451 Mono Trail to lake Mildred, 1-5 miles SW of Convict Lake, SW of highway 395. Along Convict Creek. 2591 Comment
  RSA369950  Betula occidentalis Anstruther Davidson 1911-07 2617 Inyo Bishop Creek Comment
  UC468898  Bidens frondosa A. Davidson, M. D. 1917-9-1 3271 Los Angeles Alvarado Street Comment
  POM350851  Bidens pilosa Anstruther Davidson 1891-1 s.n. Los Angeles E. Los Angeles. Comment
  RSA385891  Blepharidachne kingii Christopher Davidson 1976-5-22 4033 Inyo Last Chance Mountains, directly east of Eureka Dune, south end of Eureka Valley 915 Comment
  RSA367338  Bloomeria crocea var. aurea Anstruther Davidson 1907-07 2243 San Bernardino Seven Oaks. Comment
  RSA0128524  Boechera californica Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  CAS-BOT-BC14266  Boechera pinetorum A. Davidson 1907-7-1 2182 San Bernardino San Bernardino Mountains. Bear Valley. Comment
  SD99397  Boechera pulchra Christopher Davidson 1977-5-26 5684 San Bernardino Clark Mountain, Pachalka Spring. 1525 Comment
  RSA462662  Boerhavia annulata Christopher Davidson 1973-3-9 1656 Inyo Death Valley National Monument Tributary to Furnace Creek Wash, ca 2 mi SE of Furnace Creek Inn. on St 178 46 Comment
  RSA465621  Boisduvalia densiflora Anstruther Davidson 1918-07 s.n. San Bernardino Forest Home [now Forest Falls] Comment
  RSA466743  Bolandra californica Anstruther Davidson s.n. Mariposa Vernal Falls. Comment
  RSA684926  Botrychium simplex Anstruther Davidson 1911-07 2649 Inyo Bishop Creek Comment
  UC60775  Bouteloua gracilis Dr. A. Davidson 1890-1 San Bernardino Bear Valley Comment
  RSA466771B  Boykinia rotundifolia Anstruther Davidson 1893-6-12 s.n. Los Angeles Switzer's Trail Comment
  RSA466780  Boykinia rotundifolia Christopher Davidson, Larry E. DeBuhr 1976-6-26 4396 San Bernardino 10 miles WSW of Running Springs on State Highway 30. 1159 Comment
  SBBG70952  Boykinia rotundifolia Anstruther Davidson 1893-1 Los Angeles Rock Crk Comment
  POM351100  Brickellia arguta Christopher Davidson 1976-5-22 4042 Inyo Last Chance Mountains, directly east of Eureka Dune, south end of Eureka Valley. 915 Comment
  SBBG66119  Brickellia atractyloides Anstruther Davidson 1893-1 Riverside Palm Springs Comment
  POM351113  Brickellia californica Anstruther Davidson 1889-09 2006 Los Angeles Los Angeles Comment
  HSC66445  Brickellia incana Christopher Davidson 1977-5-29 5852 San Bernardino E Mojave Desert, 2 mi. S of Kelso on Kelbaker Rd., E of Kelso Dunes 671 Comment
  UCR70777  Brickellia nevinii Anstruther Davidson 1912-1 2911 Los Angeles Hollywood Hills Comment
  RSA385273  Briza minor Christopher Davidson 1977-6-18 5895 Mendocino Piper Ranch. Off Mountain View Rd. (N of Pt. Arena), near Birch Creek, several mi. NW of ranch buildings. 305 Comment
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May 21 2014
  RSA0112303  Briza minor Anstruther Davidson 1924-05 s.n. San Diego San Diego River Comment
  RSA367529  Brodiaea Anstruther Davidson s.n. Riverside Palm Springs. Comment
  RSA376764  Brodiaea elegans subsp. elegans Christopher Davidson 1977-6-20 6008 Sonoma Dry Cr. Rd., 8.6 mi. W of Geyserville 91 Comment
  CAS-BOT-BC483123  Brodiaea jolonensis A. Davidson 1921-5-1 3418 Los Angeles Foothills north of Glendora Comment
  SEINET10965893  Brodiaea minor Davidson 1890-1 Davidson s.n. 1890 Unknown Near Los Angeles Comment
  SBBG54317  Brodiaea orcuttii C. Davidson 1977-5-25 5654 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
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Oct 31 2016
  RSA376782  Brodiaea santarosae Christopher Davidson 1977-5-25 5639 Riverside Mesa de Burro, Santa Rosa Plateau area of the Santa Ana Mtns. 701 Comment
  RSA376758  Brodiaea terrestris subsp. terrestris Christopher Davidson 1977-6-19 5940 Mendocino Haven s Neck, small peninsula on coast north of Anchor Bay. Comment
  POM364002  Bromus catharticus Anstruther Davidson 1917-07 3258 Los Angeles Los Angeles Comment
  POM363404  Bromus diandrus Anstruther Davidson 1917-04 3183 Los Angeles E. Los Angeles. Comment
  RSA271918  Bromus grandis Christopher Davidson, Larry E. DeBuhr 1976-6-26 4403 San Bernardino 10 miles WSW of Running Springs on State Highway 30 1159 Comment
  POM363863  Bromus hordeaceus Anstruther Davidson 1890-04 s.n. Los Angeles Los Angeles. Comment
  UC50584  Bromus hordeaceus Dr. A. Davidson Los Angeles Lancaster Comment
  SCFS758  Bromus orcuttianus E. Davidson 1964-7-19 719648 Nevada Sagehen Basin, 50' W of station in road to cabin 1951 Comment
  HSC46436  Bromus richardsonii Christopher Davidson, R. F. Thorne 1976-8-15 4712 San Bernardino San Bernardino Mountains, Lower South Fork Meadow, San Gorgonio Wilderness Area 2317 Comment
  SEINET3924109  Bromus richardsonii Christopher Davidson, Robert F. Thorne 1976-8-15 4665 San Bernardino San Bernardino Mts. Upper South Fork Meadow, San Gorgonio Wilderness Area.; 0 2438 Comment
  POM364047  Bromus secalinus Anstruther Davidson 1889-1 s.n. Los Angeles Los Angeles. Comment
  SD107283  Buddleja utahensis Christopher Davidson 1976-5-22 4026 Inyo Last Chance Mts., directly east of Eureka Dune, south end of Eureka Valley. In a narrow gully at the head of a long fan of coarse gravel and boulders. 914 Comment
  POM364252  Calamagrostis canadensis Anstruther Davidson 1911-07 2520 Inyo Bishop Creek Comment
  RSA466537  Calandrinia ciliata Christopher Davidson 1973-4-6 1869 Los Angeles Malibu Canyon, Tapia Park. 243 Comment
  RSA466534  Calandrinia ciliata Anstruther Davidson 1891-05 s.n. Los Angeles Los Angeles. Comment
  RSA377321  Calochortus catalinae Anstruther Davidson s.n. Los Angeles Catalina [Island] Comment
  RSA377323  Calochortus catalinae Anstruther Davidson s.n. Los Angeles Catalina [Island] Comment
  RSA377297  Calochortus catalinae Anstruther Davidson 1890-3-30 s.n. Los Angeles Foot hills L.A. Comment
  RSA377340  Calochortus clavatus var. gracilis Anstruther Davidson 1914-06 2975 Los Angeles San Gabriel Canyon, San Gabriel Mountains. Comment
  RSA377357  Calochortus invenustus Christopher Davidson 1975-7-13 2987 Ventura Mt. Pinos, near Pine Mountain Camp, SE slope. 2172 Comment
  RSA377369  Calochortus kennedyi Anstruther Davidson 1910-4-24 2403 Inyo Haiwee. Comment
  RSA377396  Calochortus kennedyi Christopher Davidson 1975-6-22 2867 Ventura Frazier Mountain, 2.9 miles past Lookout on Frazier Mtn. Road 8N04B. 2134 Comment
  RSA369047  Calochortus palmeri var. palmeri Anstruther Davidson 1900-06 s.n. Unknown [No locality information on label] Comment
  RSA369101  Calochortus superbus Christopher Davidson 1973-5-19 2080 -a Mendocino E of Willits on dirt road off Hearst Rd (Hwy 20). This area to be developed. 762 Comment
  RSA369026  Calochortus venustus Anstruther Davidson 1914-05 s.n. Los Angeles Newhall. Comment
  SBBG52675  Calycanthus occidentalis C. Davidson 1977-6-17 5883 Sonoma St Hwy 12, ca. 3 mi W of Guerneville, along Russian River 15 Comment
  POM351415  Calycoseris parryi Christopher Davidson, B. Gustafson, Don Reynolds 1979-5-9 7822 San Bernardino St Highway 18 up Cushenbury Canyon, ca. 1/4 mi inside San Bernardino Nat'l Forest boundary. 1418 Comment
  POM351417  Calycoseris parryi Anstruther Davidson 1925-5-1 s.n. San Diego San Diego. Comment
  RSA422204  Calystegia macrostegia subsp. arida Christopher Davidson 1977-5-25 5655 Riverside Mesa de Burro, Sta. Rosa Plateau area of the Sta. Ana Mts. 701 Comment
  RSA422205  Calystegia macrostegia subsp. arida Christopher Davidson 1975-6-16 2806 Riverside Ca. 4 mi. S of Banning on roas R1 to Idyllwild. 1128 Comment
  RSA394904  Calystegia macrostegia subsp. intermedia Anstruther Davidson 1889-06 s.n. Los Angeles Los Angeles. Comment
  RSA394942  Calystegia malacophylla Anstruther Davidson 1908-07 1732 Tulare Sequoia National Forest. Comment
  RSA397145  Calystegia malacophylla subsp. pedicellata Anstruther Davidson 1917-07 3251 Contra Costa Mt. Diablo Comment
  RSA422175  Calystegia occidentalis subsp. fulcrata Anstruther Davidson 1895-9-1 s.n. San Bernardino Bear Valley, San Bernardino Mountains. Comment
  RSA394818  Calystegia sepium subsp. limnophila Anstruther Davidson 1912-07 2910 Los Angeles [Unspecified] Comment
  RSA777896  Calystegia soldanella Anstruther Davidson 1892-08 s.n. Los Angeles Long Beach Comment
  RSA465655  Camissonia bistorta Anstruther Davidson 1905-5-1 s.n. Los Angeles Hollywood Comment
  RSA465927  Camissonia bistorta Christopher Davidson 1973-4-1 1796 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  RSA465970  Camissonia boothii subsp. condensata Anstruther Davidson 1903-01 s.n. Riverside Colorado Desert, Thermal Comment
  RSA465992  Camissonia boothii subsp. condensata Christopher Davidson 1973-4-1 1845 Riverside Palm Springs. 488 Comment
  RSA465984  Camissonia boothii subsp. decorticans Anstruther Davidson 1906-6-6 1605 Los Angeles Big Rock Creek. Comment
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Jan 6 2007
  RSA465990  Camissonia boothii subsp. desertorum Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  RSA466002  Camissonia brevipes subsp. brevipes Christopher Davidson 1973-3-9 1653 Inyo Death Valley National Monument. Tributary to Furnace Creek Wash, 2 miles SE of Furnace Creek Inn on State Highway 190. 46 Comment
  RSA466202  Camissonia campestris subsp. campestris Christopher Davidson 1973-3-26 1774 Kern Boron Dry Lake region, off dirt road off Claymine Rd., Mojve Desert. 823 Comment
  SBBG45713  Camissonia campestris subsp. campestris Leota Davidson 1966-4-9 306 San Bernardino 7 mi E of Old Woman Springs, N of Yucca Valley 914 Comment
  UC20457  Camissonia campestris subsp. campestris Dr. A. Davidson May 1895 San Bernardino Mohave Desert Comment
  RSA454732  Camissonia cardiophylla Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  RSA454768  Camissonia cardiophylla subsp. robusta Christopher Davidson, Alan Romspert 1979-5-17 7961 Inyo Panamint Mts. Johnson Canyon. Various points along the road up Johnson Canyon wash. Ca. 7.4 mi from the junction. 869 Comment
  RSA449182  Camissonia claviformis subsp. aurantiaca Anstruther Davidson 1903-5-1 s.n. Riverside Thermal Comment
  RSA449194  Camissonia claviformis subsp. aurantiaca Christopher Davidson 1976-5-21 3958 Inyo ca. 5 miles N of Little Lake on St. Hwy 395. 1067 Comment
  RSA448970  Camissonia claviformis subsp. claviformis Christopher Davidson 1976-5-22 s.n. Inyo Eureka Valley. Near junction of South Eureka Rd with main Eureka Valley road to Death Valley. 915 Comment
  RSA0021208  Camissonia claviformis subsp. funerea Christopher Davidson 1973-3-8 1633 Inyo Death Valley National Monument, 1/4 mile from Beatty Jct toward Beatty. -30 Comment
  RSA448960  Camissonia claviformis subsp. funerea Christopher Davidson 1973-3-9 1650 Inyo Death Valley Nat l Monument, Furnace Creek Wash, 1 miles SE of Furnace Creek Inn on Hwy 190 46 Comment
  RSA454072  Camissonia confusa Anstruther Davidson 1901-07 2209 San Bernardino 7 Oaks. San Bernardino Mountains. Comment
  RSA448985  Camissonia hirtella Anstruther Davidson s.n. Los Angeles Mt Wilson. Comment
  RSA448990  Camissonia hirtella Anstruther Davidson s.n. Los Angeles Mt Wilson. Comment
  UCR58281  Camissonia hirtella Dolores A. Davidson 1976-6-3 169 Los Angeles Graphite Canyon in Angeles National Forest; road to Lake Hughes from Lake Cataic 762 Comment
  RSA448972  Camissonia hirtella Anstruther Davidson 1930-1 s.n. Los Angeles [Malibu?] Hollywood Comment
  RSA448987  Camissonia hirtella Anstruther Davidson 1914-6-1 2970 Los Angeles [Melies] Camp. San Gabriel Canon. Comment
  RSA449018  Camissonia intermedia Anstruther Davidson 1906-4-9 1449 Los Angeles Griffith Park. Comment
  RSA454085  Camissonia lewisii Anstruther Davidson 1901-4-20 1755 Los Angeles Hollywood, Cal. Comment
  RSA449030  Camissonia micrantha Anstruther Davidson 1911-5-28 2818 Los Angeles Chatsworth Park. Comment
  RSA449032  Camissonia micrantha Anstruther Davidson 1907-04 1754 Los Angeles Hollywood. Comment
  RSA449266  Camissonia palmeri Christopher Davidson 1976-5-17 3925 Inyo U.S. Naval Ordinance Test Station. Sheep Canyon (also called Renegade Canyon) petroglyph site. 1555 Comment
  RSA449268  Camissonia palmeri Anstruther Davidson 1910-4-25 2436 Inyo Haiwee Comment
  RSA454087  Camissonia parvula Anstruther Davidson 1911-07 2815 Inyo Andrews Camp. Bishop Creek [Now Bishop]. Comment
  RSA454090  Camissonia pubens Anstruther Davidson 1910-05 2879 Kern Haiwee Creek. Comment
  RSA454102  Camissonia strigulosa Anstruther Davidson 1890-05 s.n. Los Angeles Garvanza. Comment
  RSA453345  Camissonia walkeri subsp. tortilis Christopher Davidson, Alan Romspert 1979-5-17 7963 Inyo Panamint Mts. Johnson Canyon.' Various points along the road up Johnson Canyon wash. Ca. 5 mi from the junction. 869 Comment
  RSA453347  Camissonia walkeri subsp. tortilis Christopher Davidson 1977-5-26 5685 a San Bernardino Clark Mountains; Pachalka Spring. 1524 Comment
  SEINET11262427  Campanula prenanthoides C. Davidson 2007-6-5 11055 Shasta Lake Shasta/Packer's Bay Marina: Water's Gulch Trail.; 0 366 Comment
  RSA433115  Canbya candida Anstruther Davidson 1910-4-24 2359 Kern Brown Comment
  RSA433117  Canbya candida Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  UC9909  Canbya candida Dr. A. Davidson May 1895 Los Angeles Mohave Desert Comment
  RSA531015  Cardaria pubescens Christopher Davidson 1973-6-1 2238 Ventura Sespe Cr, turnoff on dirt road ca 6 mi N of Wheeler Spgs on Hwy 33. Los Padres Nat. For. 915 Comment
  RSA364565  Carex Anstruther Davidson 1911-07 2550 Inyo Andrews Camp. Bishop Creek [Now Bishop]. Comment
  RSA364567  Carex Anstruther Davidson 1908-07 2123 Tulare Sequoia National Park Comment
  RSA364533  Carex Anstruther Davidson 1894-1 s.n. Los Angeles Los Angeles. Comment
  RSA364559  Carex Anstruther Davidson 1908-07 2128 Tulare Sequoia National Park Comment
  RSA263939  Carex abrupta Christopher Davidson, Robert F. Thorne 1976-8-15 4653 San Bernardino San Bernardino Mountains, Upper South Fork Meadow, San Gorgonio Wilderness Area. 2439 Comment
  RSA364582  Carex alma Anstruther Davidson 1906-6-1 1487 Los Angeles Big Rock Creek Comment
  UC1590357  Carex alma Christopher Davidson, B. Gustafson, R. F. Thorne, et al. 1979-5-22 8131 San Bernardino ca. 5 mi s Hwy. 18 (on road up to Arrastre Canyon, along stream (Arrastre Creek?) near the road); San Bernardino Mts. 1127 Comment
  RSA364595  Carex athrostachya Anstruther Davidson 1911-07 2549 Inyo Andrews Camp. Bishop Creek [Now Bishop]. Comment
  RSA364602  Carex aurea Christopher Davidson 1977-5-28 5809 San Bernardino At Keystone Spring, toward head of Keystone Canyon, east side of New York Mountains. 1890 Comment
  RSA364726  Carex brainerdii Christopher Davidson 1975-6-7 2732 Plumas On Humboldt Road, branching W of highway 89, W of Lake Almanor. Ca. 3 miles W on this road. 1524 Comment
  SD107305  Carex brainerdii Christopher Davidson 1975-6-7 2732 Plumas Ca. 3 miles west on Humboldt Road; branching west of Highway 89; west of Lake Almanor; shade. 1524 Comment
  UCR129917  Carex disperma Anstruther Davidson 1913-1 2901 Inyo Sierra Nevada Mtns., Lake Sabrina, Bishop Creek 2805 Comment
  SCFS8  Carex douglasii E. Davidson 1964-6-23 623646 Nevada Sagehen Basin, Mdw directly S and across ck from station 1951 Comment
  RSA364735  Carex filifolia Anstruther Davidson 1911-07 2543 Inyo Andrews Camp. Bishop Creek [Now Bishop]. Comment
  RSA263990  Carex fracta Christopher Davidson, Robert F. Thorne 1976-8-14 4531 San Bernardino San Bernardino Mountains, Fish Creek, on Forest Service Road 1N05, S of Heart Bar St. Park. 1982 Comment
  RSA263992  Carex fracta Christopher Davidson, Robert F. Thorne 1976-8-15 4691 San Bernardino San Bernardino Mountains, Upper South Fork Meadow, San Gorgonio Wilderness Area. 2439 Comment
  SBBG52731  Carex fracta C. Davidson, R. F. Thorne 1976-8-15 4691 San Bernardino upper S Fork Meadow, San Gorgonio Wilderness Area 2438 Comment
  RSA572423  Carex globosa Christopher Davidson 1977-6-24 6094 Mendocino On State Highway 20, 12.4 miles west of Willits, up an abandoned logging road, following a small creek. 305 Comment
  CAS-BOT-BC22121  Carex heteroneura A. Davidson 1911-7-1 2547 Inyo Andrews Camp. Bishop Creek. Comment
  SCFS15  Carex heteroneura E. Davidson 1964-7-15 7156418 Nevada Sagehen Basin, Ca. 0.5 mi W of station on roadside 1951 Comment
  RSA263949  Carex jonesii Christopher Davidson, Robert F. Thorne 1976-8-15 4683 San Bernardino San Bernardino Mountains, Upper South Fork Meadow, San Gorgonio Wilderness Area. 2439 Comment
  SCFS26  Carex limosa E. Davidson 1964-7-15 715645 Nevada Sagehen Basin, 20 yd SW of station 1951 Comment
  RSA364773  Carex mariposana Christopher Davidson 1975-8-16 3109 San Bernardino E end of Bluff Lake, S of Big Bear Lake. 2317 Comment
  RSA364650  Carex multicaulis Christopher Davidson 1976-6-26 4428 San Bernardino Green Valley Road, 1.4 miles from junction with Highway 18; 1966 Comment
  RSA364645  Carex multicaulis Anstruther Davidson 1893-6-12 s.n. Los Angeles Mt. Disappointment Comment
  SEINET4022366  Carex multicaulis C. Davidson 1975-1 2651 Siskiyou Klamath Nat'l Forest. 9.1 mi. west of Gazelle on road to Callahan. 1120 Comment
  SCFS32  Carex multicostata E. Davidson 1964-6-19 619647 Nevada Sagehen Basin, 100 yd S of station in lush mdw next to Sagehen Creek 1951 Comment
  RSA364663  Carex nebrascensis Christopher Davidson 1975-8-16 3126 San Bernardino E end of Bluff Lake, S of Big Bear Lake. 2317 Comment
  RSA364671  Carex nebrascensis Christopher Davidson, Alan Romspert 1979-5-17 7982 Inyo Panamint Mountains, Johnson Canyon. Trail up creek to Hungry Bill's. 1189 Comment
  RSA364574  Carex nervina Anstruther Davidson 1908-07 2127 Tulare Sequoia National Park Comment
  CAS-BOT-BC118953  Carex pellita A. Davidson 1911-7-1 2554 Inyo Andrew Camp, Bishop Creek. Comment
  RSA364564  Carex pellita Anstruther Davidson 1911-07 2554 Inyo Andrews Camp. Bishop Creek [Now Bishop]. Comment
  RSA364747  Carex pellita Anstruther Davidson 1911-07 2553 Inyo Andrews Camp. Bishop Creek [Now Bishop]. Comment
  SD99382  Carex rossii Christopher Davidson 1977-5-27 5775 San Bernardino Trail up north side of Clark Mountain; departing from Colosseum Mine Road ca. 2.6 miles south of Powerline Road; steep narrow canyon. 1890 Comment
  RSA364702  Carex senta Christopher Davidson 1976-6-26 4443 San Bernardino E end of Bluff Lake, along a small forest runoff channel 2-3 ft. deep. (Off rd 2N10). 2256 Comment
  RSA263630  Carex subfusca Christopher Davidson 1976-8-14 4545 San Bernardino San Bernardino Mountains, Fish Creek, on Forest Service Road 1N05, S of Heart Bar St. Park. 2439 Comment
  RSA263946  Carex subfusca Christopher Davidson, Robert F. Thorne 1976-8-15 4654 San Bernardino San Bernardino Mountains, Upper South Fork Meadow, San Gorgonio Wilderness Area. 2439 Comment
  RSA364689  Carex utriculata Christopher Davidson 1975-8-16 3131 San Bernardino NE shore of Bluff Lake, S of Big Bear Lake. 2317 Comment
  RSA400508  Castilleja angustifolia Christopher Davidson 1976-6-4 4195 Inyo Harkless Flat Road, ridge at road's end overlooking Owens Valley. (5.2 miles from junction) 2226 Comment
  RSA400509  Castilleja angustifolia Christopher Davidson 1976-5-17 3926 Inyo U.S. Naval Ordinance Test Station. Sheep Canyon (also called Renegade Canyon) petroglyph site. 1555 Comment
  RSA271904  Castilleja angustifolia Christopher Davidson 1975-6-8 2799 Mono 2.2 mi. N of Conway Summit (8 mi. S of Bridgeport) on Hwy 395. 2317 Comment
  RSA425925  Castilleja applegatei subsp. pinetorum Christopher Davidson s.n. Siskiyou 1.1 mi from gate on special service rd branching SE of rd from Gazelle to Callahan, ca. 9.3 m W of Gazelle. Klamath Nat. For. 1502 Comment
  UCR80255  Castilleja breweri Christopher Davidson 1974-7-26 2504 El Dorado Echo Summit on St Hwy 50. 2255 Comment
  RSA408793  Castilleja exserta Anstruther Davidson 1929-4-1 s.n. Marin El Campo Comment
  RSA400564  Castilleja foliolosa Christopher Davidson 1973-4-6 1857 Los Angeles Tapia Park, Malibu Canyon. 244 Comment
  RSA400597  Castilleja foliolosa Anstruther Davidson s.n. Imperial Imperial Valley Comment
  HSC46636  Castilleja linariifolia Christopher Davidson 1976-7-17 4470 San Bernardino San Bernardino Mtns., on Van Dusen Canyon Rd. (3N09), 2 mi. N of Hwy. 38 2165 Comment
  RSA448732  Castilleja miniata Anstruther Davidson 1911-7-1 2769 Inyo Andrews Camp; Bishop Creek. Comment
  RSA448769  Castilleja plagiotoma Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  RSA448616  Castilleja subinclusa Anstruther Davidson 1923-4-1 s.n. San Diego Campo Comment
  RSA448607  Castilleja subinclusa Anstruther Davidson 1896-5-6 s.n. Kern Autelope plains Comment
  SCFS423  Castilleja tenuis E. Davidson 1964-7-20 729641 Nevada Sagehen Basin, Ca 30' S of station by flagpole 1951 Comment
  RSA531104  Caulanthus cooperi Christopher Davidson 1973-4-7 1912 San Bernardino St. Hwy 62, ca 5 mi w of jct. with St. Hwy 18 [Hwy 62 & 247 jtn], toward hills on the right (as going toward Morongo Valley.) 915 Comment
  POM369305  Caulanthus coulteri Anstruther Davidson 1893-4-22 s.n. Los Angeles San Fernando Comment
  RSA531142  Caulanthus crassicaulis var. crassicaulis Christopher Davidson 1976-6-4 4211 Inyo On Waucoba Road, 22.5 miles E of Westgard Jct (5 miles E of Harkless flat jct) 2264 Comment
  UC10398  Caulanthus inflatus Dr. A. Davidson 1895-1 Los Angeles Antelope Valley Comment
  UC56946  Caulanthus inflatus A. A. Davidson San Bernardino Mohave Desert Comment
  HSC46472  Caulanthus major Christopher Davidson 1978-6-18 7306 San Bernardino San Bernardino Mtns., Hwy. 18, 10.2 mi. SE of Lucerne Valley, 1.6 mi. inside San Bernardino National Forest, below Whiskey Springs, opposite Chicopee Creek and Canyon. 1616 Comment
  HSC46478  Caulanthus major Christopher Davidson 1976-6-9 4357 San Bernardino San Bernardino Mtns., Hwy. 18, 0.6 mi. NW of the summit on Cushenbury Grade 1982 Comment
  RSA531130  Caulanthus major var. major Anstruther Davidson 1893-7-4 1854 Los Angeles Big Rock Creek. Comment
  RSA531082  Caulanthus pilosus Christopher Davidson 1976-6-8 4322 Inyo Death Valley National Monument. Highway 190, 1.4 miles W of west junction to Darwin, and 11.4 miles E of junction of State Highways 136 & 190. 1540 Comment
  RSA398868  Ceanothus crassifolius Anstruther Davidson 1921-5-1 s.n. Los Angeles San Gabriel Mt Comment
  UC18266  Ceanothus crassifolius Dr. Davidson 1892-1 Los Angeles Comment
  RSA399038  Ceanothus cuneatus Anstruther Davidson 1910-05 s.n. Riverside Desert slope of San Jacinto. Comment
  RSA399060  Ceanothus diversifolius Anstruther Davidson 1908-08 1815 Mariposa Colony Mill, Sequoia National Forest Comment
  RSA399839  Ceanothus greggii var. perplexans Anstruther Davidson 1901-07 2217 San Bernardino 7 Oaks, San Bernardino Mountains Comment
  RSA399838  Ceanothus greggii var. vestitus Christopher Davidson 1977-5-28 5802 San Bernardino New York Mountains, Keystone Springs, toward head of Keystone Canyon, east side of New York Mts. 1828 Comment
  SD99380  Ceanothus greggii var. vestitus Christopher Davidson 1977-5-28 5802 San Bernardino Keystong spg, toward head of Keystone Canyon, east side of New York Mts. 1829 Comment
  RSA399870  Ceanothus incanus Christopher Davidson 1977-6-18 5920 Mendocino Piper Ranch. Off Mountain View Road (N of Pt. Arena), 11.7 miles E of Hwy 1. 305 Comment
  RSA399904A  Ceanothus integerrimus Anstruther Davidson 1892-7-12 s.n. Los Angeles Wilson's Peak 1524 Comment
  RSA399904B  Ceanothus integerrimus Anstruther Davidson 1892-8-20 s.n. Los Angeles Wilson's Peak Comment
  UC18359  Ceanothus integerrimus A. Davidson 1892-1 Los Angeles Wilsons Peak 609 Comment
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Oct 3 2010
  UC18352  Ceanothus integerrimus A. Davidson Los Angeles Wilson's Flat Comment
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Mar 6 2015
  RSA400256  Ceanothus integerrimus var. californicus Christopher Davidson 1973-5-26 2163 Shasta ca. 15 mi W of Burney on St Hwy 299. Above roadbank on abandoned dirt rd near Hwy 299 915 Comment
  RSA399100  Ceanothus megacarpus Anstruther Davidson 1892-8-20 s.n. Los Angeles Wilson's Trail Comment
  RSA399113  Ceanothus megacarpus Anstruther Davidson 1890-4-10 s.n. Los Angeles Foothills, Los Angeles. Comment
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Oct 25 2015
  RSA399732  Ceanothus oliganthus var. oliganthus Anstruther Davidson s.n. Los Angeles San Gabriel Mountains. Comment
  UC18374  Ceanothus oliganthus var. oliganthus Dr. A. Davidson Los Angeles Los Angeles Comment
  SBBG52715  Ceanothus oliganthus var. orcuttii C. Davidson 1977-5-18 5599 Orange Pleasant Pk, (on county line) Comment
  SBBG52714  Ceanothus papillosus C. Davidson 1977-5-18 5598 Orange Pleasant Pk, (on county line) 1219 Comment
  RSA399812  Ceanothus papillosus var. roweanus Christopher Davidson 1977-5-18 8898 Orange Santa Ana Mts. Cleveland Nat. Forest. Pleasants Peak (on Orange-Riverside Co. line). 1220 Comment
  RSA0005502  Ceanothus spinosus Anstruther Davidson 1917-06 3232 Los Angeles Crescenta. Comment
  RSA398918  Ceanothus tomentosus var. olivaceus Anstruther Davidson 1897-4-24 507 San Diego Fallbrook. Comment
  RSA398983  Ceanothus velutinus Anstruther Davidson 1911-07 2644 Inyo Lake Sabrina. Comment
  RSA391486  Centaurium exaltatum Anstruther Davidson 1923-5-1 s.n. Los Angeles San Diego Park. Comment
  RSA392714  Centrostegia thurberi var. thurberi Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  RSA392715  Centrostegia thurberi var. thurberi Christopher Davidson, B. Gustafson, R. F. Thorne 1979-5-22 8060 San Bernardino Toward Apple Valley, near jct of Flicker and Oriole Rds, off Grapevine Rd. 1136 Comment
  RSA392722  Centrostegia thurberi var. thurberi Anstruther Davidson 1892-07 s.n. Los Angeles Lancaster. Comment
  UC52626  Centrostegia thurberi var. thurberi Dr. A. Davidson 1896-1 Los Angeles Lancaster Comment
  RSA460228  Cephalanthus occidentalis Anstruther Davidson 1908-07 1639 Tulare Kaweah. Sequoia National Park. Comment
  RSA411779  Ceratophyllum demersum Christopher Davidson 1975-8-30 3191 San Bernardino Big Bear Lake, South Shore Dr. Along beach to N end of the rd, ca. 100 yards from the dam. 2317 Comment
  RSA411778  Ceratophyllum demersum Anstruther Davidson 1991-08 s.n. Los Angeles Los Angeles Comment
  RSA405367  Cercidium floridum Anstruther Davidson 1903-5-3 s.n Riverside Thermal. Comment
  RSA405402  Cercis occidentalis Anstruther Davidson 1928-04 3649 Kern Tehachapi Mountains Comment
  RSA453272  Cercocarpus betuloides Anstruther Davidson s.n. Los Angeles Hollywood. Comment
  UC12128  Cercocarpus betuloides var. betuloides Dr. A. Davidson 1892-1 Los Angeles Glendale Comment
  RSA449426  Cercocarpus intricatus Christopher Davidson 1976-5-23 4073 Inyo On Waucoba Rd., 1.6 mi E of Saline Valley junction. Off small dirt road to N, site overlooking Little Cowhorn Valley; 2256 Comment
  HSC82776  Cercocarpus ledifolius Christopher Davidson, B. Gustafson, D. A. Reynolds 1979-5-9 7871 San Bernardino St. Highway 18 up Cushenbury Canyon, ca. 1.7 miles inside San Bernardino Nat'l Forest boundary 1524 Comment
  RSA449435  Cercocarpus ledifolius Anstruther Davidson 1895-9-1 s.n. San Bernardino Bear Valley, San Bernardino Mountains. Comment
  RSA449450  Cercocarpus ledifolius Anstruther Davidson 1906-6-1 s.n. Los Angeles Rock Creek Comment
  POM351640  Chaenactis alpigena Anstruther Davidson 1925-1 s.n. Mariposa Yosemite Comment
  POM351657  Chaenactis carphoclinia var. carphoclinia Christopher Davidson 1973-3-9 1694 Inyo Death Valley Nat. Mon. Jubilee Pass on St 178. 402 Comment
  POM351678  Chaenactis carphoclinia var. carphoclinia Christopher Davidson 1977-5-26 5718 San Bernardino Clark Mountains; Pachalka Spring 1524 Comment
  UC472222  Chaenactis douglasii var. douglasii A. Davidson, M. D. jul 1911 2598 Inyo Andrews Camp Bishop Creek Comment
  UC127244  Chaenactis douglasii var. douglasii A. Davidson, M. D. Aug 1908 2061 Tulare Comment
  POM351705  Chaenactis fremontii Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  POM351707  Chaenactis fremontii Christopher Davidson 1976-5-21 3957 Inyo ca. 5 miles N of Little Lake on St. Hwy 395 1066 Comment
  POM351723  Chaenactis fremontii Anstruther Davidson 1926-5-16 s.n. Kern Mohave Desert Comment
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Feb 3 2011
  POM351755  Chaenactis glabriuscula var. glabriuscula Anstruther Davidson 1890-4-10 s.n. Los Angeles Foothills, Los Angeles. Comment
  SBBG45508  Chaenactis glabriuscula var. glabriuscula Leota Davidson -Mar-1966 309 Los Angeles ca. 1 mi back from head of Tick Cyn off Soledad Cyn Rd Comment
  POM351740  Chaenactis macrantha Anstruther Davidson 1910-4-24 2428 Inyo Haiwee. Comment
  SBBG98298  Chaenactis stevioides Anstruther Davidson, H. E. Hasse 1906-6-5 1465 Los Angeles Rock Crk Comment
  POM351839  Chaenactis stevioides var. stevioides Christopher Davidson, B. Gustafson, R. F. Thorne 1979-5-22 8096 San Bernardino San Bernardino Mts. Grapevine Canyon. North desert slope. 6.5 mi S of Hwy 18 on Grapevine Canyon Rd. 1610 Comment
  SBBG98299  Chaenactis xantiana Anstruther Davidson, H. E. Hasse 1906-6-9 Los Angeles Big Rock Crk Comment
  POM351572  Chaetadelpha wheeleri Christopher Davidson 1976-6-5 4212 Inyo Eureka Dune, S end of Eureka Valley. 854 Comment
  RSA433519  Chamaesyce Christopher Davidson 1976-6-8 4302 Inyo White Mountains, On Westgard Road., 7 mi N of junction with Waucoba Road. (2.2 mi past Toll House) 2058 Comment
  RSA435958  Chamaesyce albomarginata Christopher Davidson 1975-6-29 2933 Kern San Emigdio Canyon, following old Mil Potrero Road, along San Emigdio Creek, Los Padres National Forest. Los Padres National Forest. 1677 Comment
  RSA435975  Chamaesyce albomarginata Christopher Davidson, Alan Romspert 1979-5-16 7919 Inyo Panamint Mts. Johnson Canyon. Vicinity of lower spring at the end of the road. 20 miles SW of Badwater. 1189 Comment
  RSA433521  Chamaesyce fendleri Christopher Davidson 1977-5-28 5816 San Bernardino Keystone Springs, toward head of Keystone Canyon, east side of New York Mts. 1828 Comment
  RSA433518  Chamaesyce fendleri Christopher Davidson 1976-6-7 4283 Inyo On Waucoba-Eureka Valley Rd., 1.6 mi E of Saline Valley jct. Small dirt rd to the N, site overlooking Little Cowhorn Valley. 2226 Comment
  SBBG45531  Chamaesyce polycarpa Leota Davidson 1965-5-14 153 Riverside Joshua Tree Nat Monument Comment
  RSA480969  Chamaesyce vallis-mortae Anstruther Davidson 1900-06 3335 Unknown Mojave Desert Comment
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Dec 1 2011
  RSA685704  Cheilanthes covillei Christopher Davidson, A. Romspert 1979-5-17 9034 Inyo Panamint Mountains, Hanaupah Canyon ca. 9 miles west of jct. up Hanaupah Canyon wash, north of the road near fork in the creek and a splendid waterfall. 1006 Comment
  UC62620  Cheilanthes covillei Dr. A. A. Davidson Unknown <Nelson's> Peak Comment
  RSA685801  Cheilanthes parryi Christopher Davidson 1976-5-22 4029 Inyo Last Chance Mountains, directly east of Eureka Dune, south end of Eureka Valley 915 Comment
  RSA478575  Chenopodium atrovirens Christopher Davidson, R. F. Thorne 1976-8-14 4589 San Bernardino Fish Cr., on Forest Service Rd 1N05, S of Heart Bar St. Park. 1981 Comment
  RSA478448  Chenopodium berlandieri var. sinuatum Christopher Davidson 1975-8-30 3193 San Bernardino Big Bear Lake, South Shore Dr. Along beach to N of rd., ca. 100 yards from the dam. 2043 Comment
  RSA478577  Chenopodium desiccatum Christopher Davidson 1977-5-29 5865 San Bernardino East Mojave Desert, ca. 2 miles S of Kelso on Kelbaker Rd. (E of Kelso Dunes) 671 Comment
  RSA478517  Chenopodium fremontii Christopher Davidson 1977-5-29 5866 San Bernardino East Mojave Desert, ca. 2 miles S of Kelso on Kelbaker Rd. (E of Kelso Dunes) 671 Comment
  SBBG51869  Chenopodium fremontii C. Davidson 1975-8-30 3219 San Bernardino USFS Rd 2N10, 3.1 mi E of jct with rd to Clark's Ranch 2354 Comment
  RSA478520  Chenopodium macrospermum var. farinosum Anstruther Davidson 1896-10 s.n. Los Angeles San Pedro. Comment
  RSA455301  Chilopsis linearis Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  SEINET10550361  Chilopsis linearis Christopher Davidson, A. P. Romspert; H. Surprenant 1979-4-28 Davidson 7747 Imperial Algodones Dunes, dirt track continuation of Ogilby Rd. ca 1/8 mi from All American Canal. 41 Comment
  RSA467015  Chimaphila menziesii Anstruther Davidson 1908-07 1672 Tulare Sequoia National Forest. Comment
  CAS-BOT-BC451345  Chimaphila menziesii Dr. A. Davidson 1908-7-1 1672 Unknown Sequoia National Forest Comment
  RSA369229  Chlorogalum parviflorum Anstruther Davidson 1910-3-1 2468 Riverside Near Riverside. Comment
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Apr 23 2011
  RSA392615  Chorizanthe brevicornu var. brevicornu Christopher Davidson 1973-4-1 1847 Riverside Along Hwy 74 on desert hillside facing Palm Desert. 488 Comment
  RSA392617  Chorizanthe brevicornu var. brevicornu Anstruther Davidson 1903-5-3 s.n. Riverside Thermal Comment
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Aug 9 2010
  RSA392593  Chorizanthe fimbriata var. fimbriata Anstruther Davidson s.n. San Diego Escondido. Comment
  RSA392743  Chorizanthe rigida Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-28 7766 Imperial Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob. 79 Comment
  RSA392697  Chorizanthe staticoides Anstruther Davidson 1893-6-12 s.n. Los Angeles Switzer's Trail. Comment
  RSA392780  Chorizanthe staticoides Anstruther Davidson 1901-06 s.n. Los Angeles Santa Monica Range. Comment
  RSA392591  Chorizanthe watsonii Anstruther Davidson 1906-6-1 s.n. Los Angeles Big Rock Creek, Lowell Mine. Comment
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Aug 26 2014
  RSA392767  Chorizanthe watsonii Christopher Davidson 1976-5-17 3938 Inyo U.S. Naval Ordinance Test Station. Sheep Canyon (also called Renegade Canyon) petroglyph site. 1555 Comment
  RSA476652  Chrysolepis sempervirens Anstruther Davidson 1908-07 1962 Tulare Sequoia National Forest. Comment
  POM351953  Chrysothamnus nauseosus subsp. bernardinus Christopher Davidson 1975-8-30 3200 San Bernardino Big Bear Lake, South Shore Dr. Along beach to N of rd., ca. 100 yds E of dam 2043 Comment
  POM351985  Chrysothamnus nauseosus subsp. hololeucus Christopher Davidson 1980-10-25 10711 Mono Hwy 395 N of Bishop, 7 miles S of Sherwin Summit, blackbush scrub on E side of road 1677 Comment
  POM352015  Chrysothamnus paniculatus Anstruther Davidson s.n. Inyo Boundary Canyon, Death Valley. Comment
  HSC46419  Chrysothamnus viscidiflorus subsp. viscidiflorus Christopher Davidson, John A. Churchill M. D. 1976-9-16 4752 Ventura Near fork of dirt road at Mt. Pinos summit. 2652 Comment
  CAS-BOT-BC162707  Chylismia claviformis subsp. lancifolia A. Davidson 1913-7-1 2735 Inyo Bishop Grade Comment
  POM352142  Cirsium andersonii Anstruther Davidson 1908-07 2059 Tulare Colony Mill, Sequoia National Park. Comment
  RSA439210  Cirsium neomexicanum Christopher Davidson, Alan Romspert 1979-5-17 8020 Inyo Panamint Mountains, Johnson Canyon. Trail up the creek to Hungry Bill's. 1189 Comment
  POM352168  Cirsium occidentale var. californicum Christopher Davidson, Larry E. DeBuhr 1976-6-26 4412 San Bernardino 10 miles WSW of Running Springs on State Highway 30. 1159 Comment
  RSA466609  Cistanthe monandra Christopher Davidson, B. Gustafson, R. F. Thorne, et al. 1979-5-22 8121 San Bernardino Apple Valley ca. 1 mi. S of Hwy 18 on Grapevine Canyon Road 976 Comment
  RSA466620  Cistanthe monandra Christopher Davidson 1973-4-7 1942 Ventura 0.5 mile south of Apache Canyon on [State] Hwy 33, overlooking the Cuyama River. 716 Comment
  RSA469316  Cistanthe monandra Anstruther Davidson 1911-07 s.n. Inyo Andrews Camp. Bishop Creek [Now Bishop]. Comment
  RSA469318  Cistanthe monandra Anstruther Davidson 1905-07 s.n. San Bernardino Bluff Lake. Comment
  RSA466589  Cistanthe monandra Anstruther Davidson 1928-05 s.n. Inyo Coso Hot Springs. Comment
  RSA466591  Cistanthe monandra Anstruther Davidson 1890-3-24 s.n. Los Angeles Near Reservoir at river. Comment
  RSA453456  Clarkia bottae Anstruther Davidson 1889-07 s.n. Los Angeles Foothills. Los Angeles. Comment
  RSA449283  Clarkia concinna subsp. concinna Christopher Davidson 1977-6-18 5918 Mendocino Signal Ridge Rd, 1.8 mi. W of Hwy 128. 335 Comment
  RSA458862  Clarkia cylindrica subsp. cylindrica Anstruther Davidson s.n. Ventura Ventura Comment
  SBBG25143  Clarkia cylindrica subsp. cylindrica Leota Davidson 1965-6-16 39 -A Santa Barbara Cat Cyn Comment
  CAS-BOT-BC172544  Clarkia purpurea subsp. purpurea Dr. A. Davidson 1893-6-5 s.n. Los Angeles Elysian Park Comment
  RSA448287  Clarkia purpurea subsp. quadrivulnera Anstruther Davidson 1908-09 1792 Los Angeles San Fernando [Plains?] Comment
  RSA448292  Clarkia purpurea subsp. quadrivulnera Christopher Davidson 1973-5-19 2072 Mendocino E of Willits on dirt road off Hearst Rd (Hwy 20). This area to be developed. 762 Comment
  RSA448313  Clarkia purpurea subsp. quadrivulnera Christopher Davidson 1973-5-26 2158 Shasta 4 mi W of Cassell rd jct with St Hwy 299, near Hat Creek. 976 Comment
  RSA448334  Clarkia rhomboidea Anstruther Davidson 1892-6-14 s.n. Los Angeles Wilson's Peak. Comment
  POM32370  Clarkia unguiculata Chas Davidson 1885-07 s.n. Unknown Sierras. Comment
  RSA465246  Claytonia gypsophiloides Anstruther Davidson 1928-5-2 s.n. Mendocino Near Willits Comment
  RSA465249  Claytonia lanceolata Christopher Davidson 1975-6-5 2690 Siskiyou 0.1 ENE on unnamed dirt rd. departing to E off Hwy 3 at Scott Mtn summit. 1677 Comment
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May 17 2012
  RSA466941A  Claytonia rubra Christopher Davidson 1975-6-8 2774 Mono 3 miles S of Topaz on Hwy 395 1753 Comment
  RSA386285  Clematis pauciflora Anstruther Davidson 1893-04 s.n. Riverside Palm Springs. Comment
  RSA439946  Cleome sparsifolia Christopher Davidson 1976-6-5 4221 Inyo Eureka Dune, S end of Eureka Valley. 854 Comment
  RSA439948  Cleome sparsifolia Christopher Davidson 1976-5-22 4016 Inyo Eureka Dunes, at south end of Eureka Valley. 854 Comment
  RSA440024  Cleomella obtusifolia Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  RSA451345  Coleogyne ramosissima Christopher Davidson 1973-4-19 1974 San Bernardino Joshua Tree National Monument, ca. 5 miles East of Split Rock, ca. 3 miles S of Park entrance 1189 Comment
  RSA350660  Collinsia davidsonii Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  RSA0005989  Collinsia davidsonii Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  RSA408265  Collinsia heterophylla Anstruther Davidson s.n. Riverside Corona Comment
  RSA408267  Collinsia heterophylla Anstruther Davidson 1920-5-1 s.n. Los Angeles [Unspecified] Comment
  RSA408307  Collinsia heterophylla Anstruther Davidson 1920-6-1 3371 Orange Languna Beach Comment
  RSA408342  Collinsia heterophylla Anstruther Davidson 1923-05 s.n. Los Angeles Mt. Wilson. Comment
  RSA408233  Collinsia heterophylla var. heterophylla Anstruther Davidson 1924-4-1 s.n. Santa Barbara San Julian Comment
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May 5 2009
  RSA0117281  Collinsia parviflora Christopher Davidson 1978-6-24 7367 Ventura Dirt road to Mt Pinos summit and condor observation site, beyond the public parking area, just below the fork in the road. 2591 Comment
  SCFS417  Collinsia parviflora E. Davidson 1964-6-22 6226412 Nevada Sagehen Basin, 30' S of obsv. tank by stream 1951 Comment
  RSA412222  Collinsia rattanii Christopher Davidson 1975-6-5 2694 Siskiyou 0.5 mi ENE on unnamed dirt rd departing to E off Hwy 3 at Scott Mtn summit. 1677 Comment
  RSA412258  Collinsia torreyi var. wrightii Christopher Davidson 1974-6-23 2363 Mariposa Yosemite Nat. Park. On St Hwy 120 opposite Lake Tenaya. 2530 Comment
  UC35140  Collomia grandiflora Dr. A. Davidson 1895-1 Kern Tehachapi Comment
  OBI40300  Collomia grandiflora Leota Davidson 1966-6-12 133 Tulare Near pine forest; roadside, 1 1/2 miles in on Village Alpine Road, 7 miles below Quaking Aspen campground off Highway 190. 1981 Comment
  RSA409234  Collomia heterophylla Christopher Davidson 1973-5-26 2170 Shasta ca. 15 mi W of Burney on St Hwy 299. Above roadbank on abandoned dirt rd near Hwy 299 915 Comment
  RSA409252  Collomia tinctoria Anstruther Davidson 1908-07 1934 Tulare Sequoia National Forest. Comment
  RSA467077  Comarostaphylis diversifolia subsp. planifolia Anstruther Davidson 1900-05 s.n. Los Angeles Sierra Santa Monica Cal. Las Tunas Canyon near its head Comment
  SBBG71929  Condea emoryi Anstruther Davidson 1893-1 Unknown Colorado Desert Comment
  RSA470558  Conium maculatum Christopher Davidson 1973-5-31 2229 Santa Cruz Ca. 30 miles north of Santa Cruz on State Highway 1 Comment
  RSA470559  Conium maculatum Christopher Davidson 1973-5-31 2229 Santa Cruz Ca. 30 miles north of Santa Cruz on State Highway 1 Comment
  POM355829  Conyza bonariensis Anstruther Davidson 1907-06 1980 Los Angeles [Unspecified] Comment
  POM355844  Conyza canadensis Anstruther Davidson s.n. Los Angeles E. Los Angeles. Comment
  POM355845  Conyza canadensis Anstruther Davidson 1890-09 s.n. Los Angeles Los Angeles Comment
  RSA381970  Corallorhiza maculata Christopher Davidson 1975-8-16 3092 San Bernardino E end of Bluff Lake, small forest runoff channel 2-3 feet deep. 2317 Comment
  RSA0084801  Cordylanthus kingii subsp. helleri Anstruther Davidson 1911-07 2706 Inyo Andrews Camp. Bishop Creek [Now Bishop]. Comment
  RSA412316  Cordylanthus maritimus subsp. maritimus Anstruther Davidson 1893-5-28 s.n. Los Angeles Long Beach Comment
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Nov 5 2007
  RSA412321  Cordylanthus nevinii Christopher Davidson 1974-8-1 2519 Los Angeles On Angeles Crest Highway, west of Islip Saddle, opposite Kratka Ridge Ski Lift. Angeles National Forest 2134 Comment
  RSA412330  Cordylanthus nevinii Anstruther Davidson 1901-07 2286 San Bernardino Bear Valley, San Bernardino Mountains. Comment
  RSA412297  Cordylanthus rigidus subsp. setiger Anstruther Davidson 1883-1 s.n. Los Angeles Glendale. Comment
  POM355991  Coreopsis bigelovii Christopher Davidson, B. Gustafson, R. F. Thorne 1979-5-22 8083 San Bernardino San Bernardino Mountains: Grapevine Canyon. North desert slope. 7.0 miles S of Highway 18 on Grapevine Canyon Road. 1677 Comment
  POM356171  Corethrogyne filaginifolia Anstruther Davidson 1895-9-1 1998 San Bernardino Bear Valley, San Bernardino Mountains. Comment
  SBBG44746  Corethrogyne filaginifolia Leota Davidson 1964-9-26 185 Fresno rd that leads to Wishon Reservoir, near Shaver Lake Comment
  RSA397681  Cornus californica Anstruther Davidson 1890-07 s.n. Los Angeles Cienega Comment
  RSA397464  Cornus nuttallii Christopher Davidson 1973-5-24 2105 Shasta Near campgbround on Hwy 299, near Hatchet Cr., W of Burney. Comment
  RSA397465  Cornus nuttallii Christopher Davidson 1975-6-5 2648 Siskiyou 2.0 mi E of town of Mt. Shasta on Mt. Shasta Uplands Rd. 1189 Comment
  CAS-BOT-BC212120  Cornus sericea Dr. A. Davidson 1907-6-1 s.n. Kern Tehachapi Mts. Comment
  UC159914  Crepis acuminata A. Davidson, M. D. July, 1911 2599 Inyo Andrews Camp Bishop Creek Comment
  POM356345  Crepis capillaris Anstruther Davidson 1873-7-6 2039 Los Angeles Big Rock Creek. Comment
  POM356329  Crepis occidentalis subsp. pumila Christopher Davidson 1975-6-4 2593 Modoc 0.4 miles E of Hwy 395 on Hwy 299 toward Cedarville. 1380 Comment
  UC160059  Crepis runcinata subsp. hallii A. Davidson, M. D. July 1911 2570 Inyo Bishop Comment
  RSA721999  Crossosoma bigelovii Christopher Davidson, B. Gustafson 1977-4-7 5587 Riverside White water Canyon Rd., exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62. Near start of Angeles Crest Trail. 610 Comment
  HSC66471  Croton californicus Christopher Davidson, A. P. Romspert, H. Surprenant 1979-4-29 7818 Riverside W of Indio, 3 mi. E of Date Palm Dr. 15 Comment
  RSA479348  Croton californicus var. mohavensis Anstruther Davidson 1889-08 s.n. Los Angeles Los Angeles. Comment
  RSA480569  Croton californicus var. mohavensis Christopher Davidson 1979-4-29 7818 Riverside West of Indio, 3 miles E of Date Palm Dr. 15 Comment
  HSC66466  Croton wigginsii Christopher Davidson, A. P. Romspert, H. Surprenant 1979-4-28 7767 Imperial Off Hwy. 8 on Sidewinder Rd., 1.5 mi. NW of Pilot Knob 79 Comment
  POM368293  Cryptantha barbigera Christopher Davidson 1977-5-26 5731 San Bernardino Clark Mountains; Pachalka Spring 1524 Comment
  POM368301  Cryptantha barbigera Christopher Davidson, Alan Romspert 1979-5-17 7969 Inyo Panamints Mts, Johnson Canyon, various points along the road up Johnson Canyon wash, 6.4 miles from junction. 869 Comment
  RSA499738  Cryptantha barbigera var. barbigera Christopher Davidson, Alan Romspert 1979-5-17 8006 Inyo Panamint Mountains, Johnson Canyon; Trail up the creek to Hungry Bill's. 1189 Comment
  RSA499601  Cryptantha barbigera var. fergusoniae Christopher Davidson 1973-4-7 1916 San Bernardino St. Hwy 62, ca 5 mi w of jct. with St. Hwy 18 [Hwy 62 & 247 jtn], toward hills on the right (as going toward Morongo Valley.) 915 Comment
  POM368310  Cryptantha circumscissa Christopher Davidson 1973-3-9 1708 Inyo Death Valley National Monument. Rhodes Wash below jct with Bradbury Wash, 1/2 mi SW of Jubilee Pass on St 178. 457 Comment
  POM368351  Cryptantha circumscissa Christopher Davidson 1973-4-19 1997 Riverside Joshua tree Natl. Monument, various sites along the road, 1-10 miles s of Joshua tree 1220 Comment
  POM368211  Cryptantha confertiflora Christopher Davidson 1976-5-22 3990 Inyo Waucoba Road, 10.2 miles E of Jct with Westgard Road, on road to Eureka Valley, Roadside Shoulder. 1982 Comment
  POM368192  Cryptantha echinella Christopher Davidson 1975-6-22 2828 Ventura 2 miles S of Chuchupate Forest Station on road 8N04 to Frazier Mountain 1509 Comment
  RSA499819  Cryptantha echinella Christopher Davidson 1975-6-28 2890 Kern Pine Mountain Club, off road 9N05, N slope of Mt. Pinos. Up Zion Way, past water tank. 1768 Comment
  POM368229  Cryptantha flaccida Christopher Davidson 1977-6-24 6101 Mendocino Mountain View Rd. toward Boonville, 4.8 mi E of US Hwy 101, almost to Titus Heights. 457 Comment
  POM368228  Cryptantha flaccida Christopher Davidson 1977-6-18 5921 Mendocino Piper Ranch. Off Mountain View Rd. (N of Pt. Arena), near Birch Creek, several mi. NW of ranch buildings. 305 Comment
  POM368235  Cryptantha flavoculata Christopher Davidson 1976-5-22 4054 Inyo On Waucoba Rd., 1.6 mi E of Saline Valley Junction. Small dirt rd. to the north, site over-looking Little Cowhorn Valley 2226 Comment
  POM368237  Cryptantha flavoculata Christopher Davidson 1975-6-8 2798 Mono 2.2 mi. N of Conway Summit (8 mi. S of Bridgeport) on Hwy 395. 2317 Comment
  RSA499823  Cryptantha gracilis Christopher Davidson 1976-6-4 4196 Inyo Harkless Flat Road, ridge at road's end overlooking Owens Valley. (5.2 miles from junction) 2226 Comment
  POM369509  Cryptantha maritima Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  RSA499639  Cryptantha micrantha Christopher Davidson 1976-5-21 3952 Inyo ca. 5 miles N of Little Lake on St. Hwy 395 1066 Comment
  RSA499670  Cryptantha micrantha Anstruther Davidson 1925-5-1 s.n. San Diego San Diego. Comment
  RSA499651  Cryptantha micrantha var. lepida Christopher Davidson 1975-6-16 2819 Riverside 2 miles N of Alandale station on road R1 from Idyllwild to Banning. 1646 Comment
  SD107344  Cryptantha muricata Christopher Davidson 1975-8-30 3212 San Bernardino On roade 2N10 at junction with road to Clark's Ranch, 1.9 miles east of Bluff Lake. 2360 Comment
  RSA499703  Cryptantha muricata var. jonesii Christopher Davidson, Robert Gustafson 1977-4-7 5578 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. 610 Comment
  RSA0079588  Cryptantha muricata var. muricata Anstruther Davidson 1920-4-1 s.n. Los Angeles Hollywood. Comment
  POM369541  Cryptantha nevadensis Christopher Davidson 1976-5-17 3916 Inyo U.S. Naval Ordinance Test Station. Sheep Canyon (also called Renegade Canyon) petroglyph site. 1555 Comment
  RSA499840  Cryptantha nubigena Christopher Davidson 1978-9-10 7480 Mono Trail to Lake Mildred, 1-5 miles SW of Convict Lake, SW of Hwy 395. 2896 Comment
  RSA0079539  Cryptantha pterocarya var. pterocarya Anstruther Davidson 1911-07 2698 Inyo Andrews Camp. Bishop Creek [Now Bishop]. Comment
  RSA0078822  Cryptantha pterocarya var. pterocarya Christopher Davidson 1769 Kern 1.5 miles W of dirt road to fossil diggings off Claymine Road, Boron Dry Lake region, 17 miles E of Mojave, Mojave Desert. 823 Comment
  RSA0078824  Cryptantha pterocarya var. pterocarya Christopher Davidson, B. Gustafson, Frances Runyan 1973-3-26 1760 Kern Boron Dry Lake region, 3 miles on dirt road to fossil diggings off Claymine Road, 17 miles E of Mojave, Mojave Desert. 823 Comment
  RSA0079173  Cryptantha pterocarya var. pterocarya Christopher Davidson 1977-5-28 5821 San Bernardino Keystone Springs, toward head of Keystone Canyon, east side of New York Mts. 1828 Comment
  POM360146  Cryptantha tumulosa Christopher Davidson 1976-5-22 4028 Inyo Last Chance Mountains, directly east of Eureka Dune, south end of Eureka Valley 915 Comment
  RSA499807  Cryptantha virginensis Christopher Davidson 1976-6-4 4187 Inyo Harkless Flat Road, ridge at road's end overlooking Owens Valley. (5.2 miles from junction) 2226 Comment
  SBBG51646  Cucurbita palmata C. Davidson 1976-6-8 4343 Inyo Trona Rd, N end of the Slate Range, ca. 10 mi N of Trona 815 Comment
  RSA394341  Cucurbita palmata Anstruther Davidson 1922-5-28 s.n. Los Angeles Mojave Desert. [County not specified: Los Angeles, San Bernardino or Kern.] Comment
  RSA0059706  Cupressus Christopher Davidson 1978-7-30 7405 B Mendocino N of Gualala. Iverson Rd., ca. 6 mi. E of Hwy 101. 365 Comment
  SCFS305  Cuscuta E. Davidson 1964-7-22 722641 Nevada Sagehen Basin, Ca. 100' SE of station in mdw 1951 Comment
  RSA409722  Cuscuta subinclusa Anstruther Davidson 1890-09 s.n. Los Angeles Millards Canon, Pasadena. Comment
  POM370130  Cusickiella quadricostata Christopher Davidson 1975-6-8 2796 Mono 2.2 miles N of Conway Summit (8 miles S of Bridgeport) on HWY 395. 2317 Comment
  RSA459601  Cylindropuntia echinocarpa Christopher Davidson 1979-4-4 7739 Riverside Orocopia Mountains; Box Canyon on Box Canyon Road, 13.4 miles E of Mecca 488 Comment
  RSA459638  Cylindropuntia echinocarpa Christopher Davidson, Robert Gustafson, R. F. Thorne, et al. 1979-5-22 8076 San Bernardino Toward Apple Valley, near jct of Flicker and Oriole Rds, off Grapevine Rd. 1136 Comment
  UCR168312  Cylindropuntia ramosissima Christopher Davidson, Robert Gustafson, R. F. Thorne, et al 1979-5-22 8075 San Bernardino San Bernardino Mtns./Southern Mojave Desert, Lower mtn. slopes toward Apple Valley, near junction of Flicker and Oriole Roads, off Grapevine Canyon Road 1136 Comment
  RSA470611  Cymopterus aboriginum Christopher Davidson 1976-6-4 4192 Inyo Harkless Flat Road, ridge at road's end overlooking Owens Valley. (5.2 miles from junction) 2226 Comment
  RSA233031  Cynoglossum grande Christopher Davidson 1966-4-8 386 Santa Clara Oak woodland along Moody Road level place. 61 Comment
  POM369277  Cynoglossum grande Anstruther Davidson s.n. Mendocino [No locality information provided] Comment
  RSA365054  Cyperus eragrostis Anstruther Davidson 1923-9-1 s.n. Los Angeles Montebello. Comment
  RSA365076  Cyperus eragrostis Anstruther Davidson 1920-08 3389 Los Angeles Bandini. Comment
  RSA365279  Cyperus niger var. castaneus Anstruther Davidson 1908-07 2140 Tulare Lemon Cove. Comment
  RSA365109  Cyperus odoratus Anstruther Davidson 1917-09 3284 Los Angeles Los Angeles. Comment
  RSA365131  Cyperus squarrosus Christopher Davidson 1975-9-16 3205 San Bernardino Big Bear Lake, South Shore Drive along beach N of the road. 2043 Comment
  RSA404178  Dalea mollissima Anstruther Davidson 1893-1 s.n Riverside Palm Springs Comment
  RSA404179  Dalea mollissima Anstruther Davidson 1922-3-1 3484 Riverside Palm Springs Comment
  RSA404196  Dalea mollissima Christopher Davidson 1977-5-26 5719 San Bernardino Clark Mountains; Pachalka Spring. 1524 Comment
  RSA348568  Dalea searlsiae Christopher Davidson 1976-6-8 4286 Inyo Waucoba-Eureka Valley Rds., 1.6 miles E of Saline Valley junc. Small dirt road to the N, site overlooking Little Cowhorn Valley 2226 Comment
  RSA348569  Dalea searlsiae Christopher Davidson 1977-5-28 5822 San Bernardino New York Mountains, Keystone Springs, toward head of Keystone Canyon, east side of New York Mts. 1828 Comment
  RSA414186  Dasyochloa pulchella Christopher Davidson 1977-5-26 5683 San Bernardino Clark Mountains; Pachalka Spring 1524 Comment
  RSA215036  Datisca glomerata C. Davidson 1969-6-18 1001 Mariposa Sulfur Springs, past Mariposa toward Oakhurst. 854 Comment
  RSA421911  Datura wrightii Christopher Davidson, Alan Romspert 1979-5-17 7966 Inyo Panamint Mts. Johnson Canyon. Various points along the road up Johnson Canyon wash, Ca. 6.9 miles from the junction. 869 Comment
  RSA394505  Delphinium cardinale Anstruther Davidson 1892-6-14 s.n. Los Angeles Los Angeles area, illegible label locale. Comment
  RSA0005309  Delphinium hansenii var. kernense Anstruther Davidson, Hasse 1907-6-10 1703 Kern Mt. Cummings, Tehachapi Range. 1829 Comment
  RSA398653  Delphinium hesperium Christopher Davidson 1977-6-19 5935 Mendocino Haven's Neck, small peninsula on coast north of Anchor Bay. Comment
  RSA350612  Delphinium inflexum Anstruther Davidson 1927-07 3641 Los Angeles San Gabriel Mts., Fish Canyon. Comment
  RSA398670  Delphinium nuttallianum Christopher Davidson 1973-5-26 2148 Modoc 1 mile N of Adin Summit on St. Hwy 299; Modoc Nat'l Forest 1524 Comment
  RSA398701  Delphinium parishii Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  RSA394486  Delphinium parishii subsp. parishii Anstruther Davidson 1911-07 2783 Inyo Andrews Camp. Bishop Creek [Now Bishop]. Comment
  SBBG71765  Delphinium parishii subsp. parishii Anstruther Davidson -May-1893 Unknown Mojave Desert Comment
  RSA0029543  Delphinium parishii subsp. subglobosum Anstruther Davidson s.n. Riverside Palm Springs. Comment
  RSA398748  Delphinium parryi Anstruther Davidson 1909-07 2199 San Bernardino Bear Valley. Comment
  RSA398530  Delphinium parryi Anstruther Davidson 1913-07 2783 Inyo Bishop Creek. Comment
  RSA720710  Delphinium parryi subsp. blochmaniae Anstruther Davidson 1906-05 s.n. San Luis Obispo [Unspecified] Comment
  RSA400043  Delphinium patens subsp. hepaticoideum Anstruther Davidson s.n. Los Angeles Hollywood. Comment
  RSA394488  Delphinium polycladon Anstruther Davidson 1913-07 2902 Inyo Bishop Creek. Comment
  RSA433216  Dendromecon rigida Anstruther Davidson 1892-5-3 s.n. Los Angeles Devil's Gate, Pasadena. Comment
  RSA433710  Dendromecon rigida Christopher Davidson 1973-4-7 1934 Ventura St. Hwy 33 ca. 14 mi. north of jct. 823 Comment
Read comments
Jul 23 2015
  SD107350  Deschampsia cespitosa Christopher Davidson 1976-8-14 4574 San Bernardino San Bernardino Mountains, Fish Creek Meadows at the end of Forest Service Road 1NO5, south of Heart Bar St. Park. 2438 Comment
  RSA263632  Deschampsia cespitosa subsp. cespitosa Christopher Davidson 1976-8-14 4534 San Bernardino San Bernardino Mountains, Fish Creek, on Forest Service Road 1N05, S of Heart Bar St. Park. 1982 Comment
  SBBG72174  Descurainia incisa Anstruther Davidson -Jul-1893 Los Angeles Big Rock Crk Comment
  POM369559  Descurainia obtusa subsp. adenophora Anstruther Davidson 1893-7-4 s.n. Los Angeles Big Rock. Comment
  POM369424  Descurainia pinnata subsp. menziesii Anstruther Davidson 1909-07 2307 San Bernardino Seven Oaks. San Bernardino Mountains. Comment
  SD121975  Dicentra chrysantha Leota Davidson 1966-5-28 167 A Ventura Ozena-Frazier Road, between Wheeler Gorge and Ridge Road. 1463 Comment
  RSA376852  Dichelostemma capitatum subsp. capitatum Anstruther Davidson 1890-1-1 s.n. Los Angeles East Los Angeles Comment
  RSA267523  Dichelostemma pulchellum var. pulchellum Anstruther Davidson 1925-4-10 2446 Inyo Haiwee Creek Comment
  SD129535  Diplacus longiflorus Dolores A. Davidson 1976-6-3 166 Ventura ca. 12 miles north of Wheeler Gorge campground, Los Padres National Forest 1067 Comment
  SEINET4095863  Diplacus longiflorus C. Davidson 1975-1 2803 Riverside Roughly two miles south of Banning on road R1 to Idyllwild; roughly 20 feet from road. 822 Comment
  CAS-BOT-BC43562  Diplotaxis tenuifolia A. Davidson 1893-8-2 s.n. Los Angeles Los Angeles. Comment
  HSC66632  Ditaxis lanceolata Christopher Davidson 1979-4-4 7736 Riverside Orocopia Mtns., E of Box Canyon on Box Canyon Rd., 15.1 mi. E of Mecca, dirt road to the SE 579 Comment
  RSA530734  Dithyrea californica Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  SBBG25194  Dithyrea californica Leota Davidson 1965-5-15 114 San Bernardino between Victorville and Mojave Comment
  RSA530752  Dithyrea californica Christopher Davidson 1973-4-7 1905 Los Angeles Lucerne Valley, 33 miles from Apple Valley 854 Comment
  RSA0001937  Dithyrea maritima Anstruther Davidson 1892-1 1865 Los Angeles Redondo. Comment
  RSA392731  Dodecahema leptoceras Anstruther Davidson 1916-7-1 s.n. Los Angeles Crescenta. Comment
  RSA461469  Dodecatheon alpinum Anstruther Davidson s.n. Inyo Andrews Camp. Bishop Creek. Comment
  RSA461479  Dodecatheon alpinum subsp. majus Christopher Davidson, Robert F. Thorne 1976-8-15 4626 San Bernardino San Bernardino Mountains: Lower South Fork Meadow, San Gorgonio Wilderness Area. 2317 Comment
  RSA461944  Dodecatheon jeffreyi Anstruther Davidson s.n. Inyo North Lake, Bishop Creek. Comment
  POM134883  Downingia bicornuta Chas. Davidson 1885-07 102 San Joaquin San Joaquin River. Comment
  POM370132  Draba albertina Anstruther Davidson 1913-07 2727 Inyo South Lake, Bishop Creek Comment
  GH379220  Draba breweri A. Davidson 1913-07-01 - 1913-08-01 2934 Unknown South Lake 2743 Comment
  GH379250  Draba corrugata A. Davidson 1915-08-01 - 1915-09-01 3040 Unknown Grayback Mt., San Bernardino Comment
  UC168143  Draba corrugata Dr. A. Davidson Riverside summit Mt. San Jacinto Comment
Read comments
Jul 5 2012
  SD107331  Draba corrugata var. corrugata Christopher Davidson 1976-8-14 4569 San Bernardino San Bernardino Mountains, Fish Creek Meadows, at end of Forest Service Road 1NO5, south of Heart Bar State Park 2440 Comment
  UCR70769  Draba corrugata var. corrugata Christopher Davidson, R. F. Thorne 1976-8-14 4569 San Bernardino San Bernardino Mtns, Fish Creek Meadows, at the end of Forest Service Road 1N05, South of Heart Bar State Park 2439 Comment
  CAS-BOT-BC41705  Draba cuneifolia var. sonorae Dr. A. Davidson 1891-1-1 s.n. Los Angeles Los Angeles. Comment
  RSA401531  Draperia systyla Anstruther Davidson 1927-06 s.n. Unknown Admontine Rock, Sequoia National Park. Comment
  POM366563  Drymocallis glandulosa var. reflexa Christopher Davidson 1975-7-13 2996 Ventura 2.8 miles W of McGill Campground on road to Pine Mtn. summit. 2401 Comment
  SBBG52797  Drymocallis glandulosa var. reflexa C. Davidson, R. F. Thorne 1976-8-14 4618 San Bernardino Fish Crk Meadows, at end of Forest Service Rd 1NO5, S of Heart Bar St Park 2438 Comment
  RSA423476  Dudleya abramsii subsp. affinis Christopher Davidson 1978-6-18 7319 San Bernardino San Bernardino Mts. Summit of Cushenbury grade, N. of Baldwin Lake 2058 Comment
  RSA423515B  Dudleya cymosa subsp. pumila Christopher Davidson, Larry E. DeBuhr 1976-6-26 4414 San Bernardino 10 miles WSW of Running Springs on State Highway 30. 1159 Comment
  RSA423531A  Dudleya edulis Anstruther Davidson 1925-5-1 s.n. San Diego San Diego. Comment
  RSA397779  Dudleya lanceolata Anstruther Davidson 1893-04 s.n. Los Angeles Azusa Comment
  RSA397798  Dudleya lanceolata Anstruther Davidson s.n. Los Angeles Catalina [Island] Comment
  RSA397799  Dudleya lanceolata Anstruther Davidson s.n. Los Angeles Catalina [Island] Comment
  UCR64613  Dudleya multicaulis Anstruther Davidson 1923-5-1 s.n. Kern Tehachapi Comment
  GH376717  Dudleya parva G. Davidson 1922-1-1 Unknown Los Angeles Comment
  POM359787  Dugaldia hoopesii Anstruther Davidson 1911-7-1 2595 Inyo Andrews Camp; Bishop Creek. Comment
  UCR142750  Dyssodia porophylloides Anstruther Davidson 1927-5-1 s.n. San Bernardino Eastern Mojave Desert, Kessler [Spring], 'Colorado Desert Comment
  RSA0031362  Echinodorus berteroi Anstruther Davidson 1920-07 s.n. Los Angeles Alamitos. [Los Alamitos] Comment
  SBBG52733  Eleocharis bernardina C. Davidson, R. F. Thorne 1976-8-15 4657 San Bernardino upper S Fork Meadow, San Gorgonio Wilderness Area 2438 Comment
  RSA365364  Eleocharis montevidensis Anstruther Davidson 1923-5-1 s.n. San Diego San Diego River. Comment
  RSA365450  Eleocharis montevidensis var. montevidensis Christopher Davidson 1977-5-25 5647 Riverside Mesa de Burro, Santa Rosa Plateau area 701 Comment
  RSA365356  Eleocharis parishii Anstruther Davidson 1904-5-1 1101 Riverside Palm Springs. Comment
  RSA263960  Eleocharis quinqueflora Christopher Davidson, Robert F. Thorne 1976-8-15 4657 San Bernardino Upper South Fork Meadow, San Gorgonio Wilderness Area. 2439 Comment
  POM359916  Elymus elymoides Christopher Davidson 1976-5-17 3919 Inyo U.S. Naval Ordinance Test Station. Sheep Canyon (also called Renegade Canyon) petroglyph site. 1555 Comment
  POM359921  Elymus elymoides Anstruther Davidson 1900-6-7 s.n. Los Angeles Acton. [San Gabriel Mountains.] Comment
  POM359932  Elymus elymoides Christopher Davidson 1976-6-9 4369 San Bernardino On St Highway 18, Cushenbury Grade Summit. San Bernardino Mountains. 2058 Comment
  POM365345  Elymus glaucus Anstruther Davidson s.n. Los Angeles E. Los Angeles. Comment
  RSA263962  Elymus glaucus subsp. glaucus Christopher Davidson, Robert F. Thorne 1976-8-14 4528 San Bernardino San Bernardino Mountains, Fish Creek, on Forest Service Road 1N05, S of Heart Bar St. Park. 1982 Comment
  RSA384903  Elymus trachycaulus Christopher Davidson, Robert F. Thorne 1976-8-14 4552 San Bernardino San Bernardino Mountains, Fish Creek Meadows, at the end of Forest Service Road 1N05, S of Heart Bar State Park. 2439 Comment
  RSA401479A  Emmenanthe penduliflora Christopher Davidson 1975-5-25 2542 Ventura E of Ozena Sta. on Forest Serv. Rd 9N03, jct of Rd 9N03 and 9N03C. 1220 Comment
  POM356657  Encelia actoni Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  POM356654  Encelia californica Anstruther Davidson 1892-05 s.n. Los Angeles Los Angeles. Comment
  RSA383870  Ephedra californica Anstruther Davidson 1902-5-18 1901 Riverside Banning, Cal. Comment
  HSC66467  Ephedra trifurca Christopher Davidson, A. P. Romspert, H. Surprenant 1979-4-28 7802 Imperial Algodones Dunes, dirt road heading E 3.3 mi. from Gray's Well Rd exit off Hwy. 8 46 Comment
  RSA383836  Ephedra viridis Anstruther Davidson 1915-8-1 3111 San Bernardino Cactus Flats. S B Mts. Comment
  UCR137161  Epilobium angustifolium subsp. circumvagum Christopher Davidson, R. F. Thorne 1976-8-15 4702 San Bernardino San Bernardino Mtns., Upper South Fork Meadow, San Gorgonio Wilderness Area 2683 Comment
  RSA588515  Epilobium canum subsp. latifolium Anstruther Davidson 1901-08 s.n. Los Angeles Rock Creek. Comment
  RSA588541  Epilobium canum subsp. latifolium Christopher Davidson 1975-8-30 3197 San Bernardino Big Bear Lake, South Shore Dr. Along beach to N of rd., cBear Valley, San Bernardino Mts.a. 100 yds E of dam 2043 Comment
  RSA448497  Epilobium ciliatum Anstruther Davidson 1892-09 563 Los Angeles Los Angeles. Comment
  RSA588318  Epilobium ciliatum subsp. ciliatum Christopher Davidson, Larry E. DeBuhr 1976-6-26 4399 San Bernardino 10 miles WSW of Running Springs on State Highway 30. 1159 Comment
  RSA588556  Epilobium ciliatum subsp. ciliatum Anstruther Davidson 1918-07 s.n. San Bernardino Forest Home [now Forest Falls] Comment
  RSA263642  Epilobium ciliatum subsp. glandulosum Christopher Davidson, Robert F. Thorne 1976-8-14 4597 San Bernardino Fish Cr., on Forest Service Rd 1N05, S of Heart Bar St. Park. 1982 Comment
  RSA458698  Epilobium exaltatum Christopher Davidson, Robert F. Thorne 1976-8-15 4679 San Bernardino Upper South Fork Meadow, San Gorgonio Wilderness Area. 2439 Comment
  RSA458699  Epilobium exaltatum Christopher Davidson, Robert F. Thorne 1976-8-15 4630 San Bernardino San Bernardino Mountains, Lower South Fork Meadow, San Gorgonio Wilderness Area. 2317 Comment
  SCFS195  Epilobium hallianum E. Davidson 1964-7-22 722644 Nevada Sagehen Basin, Ca 100' SE of station in mdw. 1951 Comment
  RSA381704  Epipactis gigantea Anstruther Davidson 1893-6-12 1917 Los Angeles Switzer's Trail Comment
  RSA381705  Epipactis gigantea Anstruther Davidson 1891-05 s.n. Los Angeles El Monte. Comment
  RSA381723  Epipactis gigantea Anstruther Davidson 1904-5-1 1087 Riverside Palm Springs. Comment
  RSA684615  Equisetum laevigatum Christopher Davidson 1977-5-28 5820 San Bernardino At Keystone Spring, toward head of Keystone Canyon, east side of New York Mountains. 1890 Comment
  POM352256  Eragrostis mexicana subsp. mexicana Anstruther Davidson 1917-10 286 Los Angeles Los Angeles., Compton St. Comment
  RSA432695  Eremalche rotundifolia Anstruther Davidson 1903-5-3 900 Riverside Thermal. Comment
  SEINET6659613  Eremalche rotundifolia Christopher Davidson 1976-5-22 4006 Inyo Eureka Valley. Near junction of South Eureka Rd with main Eureka Valley rd to Death Valley.; 0 914 Comment
  RSA0057647  Eremogone congesta var. suffrutescens Christopher Davidson 1973-5-26 2130 Modoc 4 miles W of Canby on Hwy 299. 1341 Comment
  CAS-BOT-BC162974  Eremothera boothii subsp. decorticans A. Davidson 1906-6-5 s.n. Los Angeles Big Rock Creek Comment
  UC107662  Eremothera boothii subsp. desertorum A. Davidson July 1893 Los Angeles Rock Creek Mohave Desert Comment
  SBBG51923  Eriastrum densifolium C. Davidson 1975-7-13 2989 Ventura near McGill Cmpgrd, W of jct of cmpgrd rd and rd to Pine Mtn Summit; across a small stream toward Pine Mtn Camp 2171 Comment
  RSA0104114  Eriastrum densifolium subsp. austromontanum Anstruther Davidson 1911-07 3022 Inyo Bishop Creek. 1524 Comment
  RSA0105890  Eriastrum densifolium subsp. austromontanum Christopher Davidson 1975-7-13 2989 Ventura Near McGill Campground, W of junc. of campground rd and rd to Mt. Pinos summit. 2172 Comment
  RSA0119869  Eriastrum diffusum Christopher Davidson 1977-5-26 5734 San Bernardino Clark Mountain, Pachalka Spring. 1524 Comment
  HSC46462  Eriastrum eremicum Christopher Davidson 1978-6-18 7286 San Bernardino San Bernardino Mtns., Hwy. 18, 7.8 mi. SE of Lucerne Valley up Cushenbury Grade 1250 Comment
  RSA0120049  Eriastrum eremicum subsp. eremicum Christopher Davidson 1976-6-8 4311 a Inyo On Hwy 190 (to Death Valley), 6.4 mi. E of junction with Hwy 136 (from Lone Pine). 1357 Comment
  RSA0120114  Eriastrum eremicum subsp. eremicum Christopher Davidson 1977-5-28 5790 San Bernardino North side of Clark Mtn. On Colosseum Mine Rd, ca. 2.6 mi. S of junction with Powerline Rd. 1524 Comment
  UCR24527  Eriastrum pluriflorum subsp. pluriflorum Leota Davidson 1966-7-12 443 Tulare Sun Alpine Village turn-off, Hwy 190 above Porterville 1829 Comment
  RSA0121278  Eriastrum sapphirinum Anstruther Davidson 1891-06 s.n. Los Angeles Glendale. Comment
  RSA0110977  Eriastrum sapphirinum subsp. brevibracteatum Christopher Davidson, B. Gustafson, R. F. Thorne, et al. 1979-5-22 8072 San Bernardino Toward Apple Valley, near jct of Flicker and Oriole Rds, off Grapevine Rd. 1136 Comment
  RSA0121589  Eriastrum sapphirinum subsp. dasyanthum Anstruther Davidson 1921-06 3429 Riverside San Jacinto. Comment
  RSA0121291  Eriastrum sapphirinum subsp. sapphirinum Anstruther Davidson 1920-06 s.n. Los Angeles Hollywood. Comment
  RSA0124869  Eriastrum wilcoxii Anstruther Davidson 1911-07 2631 Inyo Andrews Camp. Bishop Creek [Now Bishop]. Comment
  RSA0124860  Eriastrum wilcoxii Anstruther Davidson 1911-07 2652 Inyo Owenyo. [5 mi. south of Lone Pine along Southern Pacific RR] Comment
  UC31076  Ericameria arborescens Prof. Davidson Unknown Comment
  POM359333  Ericameria cuneata var. spathulata Anstruther Davidson 1910-4-25 s.n. Inyo Haiwee. Comment
  CAS-BOT-BC292289  Ericameria linearifolia Christopher Davidson; et al. 1979-5-22 8044 San Bernardino San Bernardino Mts. toward Apple Valley, near junction of Flicker and Oriole Rds, off Grapevine Rd 1135 Comment
  POM359380  Ericameria linearifolia Anstruther Davidson 1910-4-25 2413 Inyo Haiwee. Comment
  SBBG45509  Ericameria linearifolia Leota Davidson 1965-5-9 159 Los Angeles near Little Rock Comment
  UC101103  Ericameria nauseosa var. hololeuca A. V. Davidson 1904-9-1 Inyo Independence Comment
  CAS-BOT-BC298131  Ericameria nauseosa var. oreophila A. V. Davidson 1904-9-1 5 Inyo Unspecified Comment
  POM359450  Ericameria parishii Anstruther Davidson 1911-07 3146 Los Angeles Low foothills, Crescenta Comment
  POM359463  Ericameria pinifolia Anstruther Davidson 1889-08 s.n. Los Angeles Glendale. Comment
  RSA0034845  Erigeron Anstruther Davidson 1927-08 s.n. Fresno Upper Kings River Comment
  UC468808  Erigeron aphanactis var. aphanactis A. Davidson, M. D. 1911-7-1 2563 Inyo Andrews Camp Bishop Creek, Andrews Camp Comment
  POM357395  Erigeron aphanactis var. congestus Christopher Davidson 1976-8-14 4620 San Bernardino Fish Creek Meadows, at the end of Forest Service Road 1N05, S of Heart Bar State Park. 2439 Comment
  SBBG51648  Erigeron argentatus C. Davidson 1976-6-7 4282 Inyo ca. 2 mi S of Waucoba-Eureka Valley rd on rd to Saline Valley 2316 Comment
  RSA248722  Erigeron breweri var. porphyreticus Christopher Davidson 1974-6-23 2348 Inyo White Mts, Hwy 168, 8 miles E of Westgard Pass. 2096 Comment
  POM357576  Erigeron compactus var. compactus Christopher Davidson 1976-6-8 4287 Inyo Waucoba-Eureka Valley Rds., 1.6 miles E of Saline Valley junc. Small dirt road to the N, site overlooking Little Cowhorn Valley 2226 Comment
  POM357444  Erigeron divergens Christopher Davidson 1977-5-29 5835 San Bernardino Caruthers Canyon, south end of New York Mountains. 1768 Comment
  POM357447  Erigeron divergens Anstruther Davidson 2167 San Bernardino Bear Valley, San Bernardino Mts Comment
  POM357452  Erigeron divergens Anstruther Davidson 1910-1 2508 Los Angeles Hollywood. Comment
  POM357489  Erigeron divergens Christopher Davidson 1976-6-26 4450 San Bernardino E end of Bluff Lake, along a small forest runoff channel 2-3 ft. deep. (Off rd 2N10). 2256 Comment
  POM357394  Erigeron divergens Christopher Davidson 1973-5-24 2102 Modoc Junction of Hwy. 395 and County Road 63, near Likely, south of Alturas 1311 Comment
  POM357578  Erigeron eatonii var. plantagineus Christopher Davidson 1975-6-8 2795 Mono 2.2 miles N of Conway Summit (8 mile S of Bridgeport) on Hwy. 395. 2317 Comment
  RSA271919  Erigeron foliosus Christopher Davidson 1976-6-26 4468 San Bernardino On St Hwy 18, Cushenberry Grade summit. Open area behind the snow fences to the N of the road. Slight SW slope. 2058 Comment
  RSA571881  Erigeron foliosus Christopher Davidson, Robert Gustafson, R. F. Thorne 1979-5-22 3725 San Bernardino Toward Apple Valley, near jct of Flicker and Oriole Rds, off Grapevine Rd. 1136 Comment
  UCR196161  Erigeron foliosus var. stenophyllus Christopher Davidson, John A. Churchill M. D. 1976-9-16 4758 Kern Transverse Range; Mt. Pinos area, road 8N18 (Fir Ridge Road), branching north of paved road to Pine Mountain [Mt. Pinos] summit, c. 12.6 mi [west] ('north') of [I-5] Frazier Park junction 2332 Comment
  RSA0030718  Erigeron foliosus var. stenophyllus Christopher Davidson 1976-9-16 4758 Kern Road 8 N18, branching N of paved road to Pine Mtn summit, 12.6 miles N of Frazier Park Junction. 2332 Comment
  SEINET3146631  Erigeron glacialis var. glacialis A. Davidson 2071 Tulare Sequoia Nat. Prk. Comment
  POM357519  Erigeron glaucus C. Davidson 1965-4-2 6 Monterey 17 Mile Drive: Pt. Joe, 3 miles SW of Pacific Grove 0 Comment
  POM357599  Erigeron lonchophyllus Anstruther Davidson 1913-7-1 2887 Inyo Andrews Camp, Bishop Creek. Comment
  UC160063  Erigeron lonchophyllus A. Davidson 1911-7-1 2560 Inyo Andrews Camp Bishops Creek, Andrews Camp Comment
  CAS-BOT-BC295711  Erigeron parishii Christopher Davidson 1978-6-18 7289 San Bernardino San Bernardino Mts. Hwy 18 ca. 7.8 mi SE of Lucerne Valley up Cushenbury Grade 1249 Comment
  POM357566  Erigeron pumilus subsp. concinnoides Christopher Davidson 1977-5-27 5769 San Bernardino Trail up north side of Clark Mountain, departing from Colosseum Mine Rd ca. 2.6 mi south of junction with Powerline Rd. 1676 Comment
  SBBG45354  Eriodictyon crassifolium var. crassifolium Leota Davidson 1966-5-28 402 Ventura near stream, Ozena-Frazier Park Rd between Wheeler Gorge and Ridge Hwy, 2.2 mi from Wagon Rd Cmpgrd Comment
  RSA393078  Eriogonum angulosum Anstruther Davidson 1879 Los Angeles Catalina [Island] Comment
  RSA393079  Eriogonum angulosum Anstruther Davidson 1975-5-25 2525 Ventura E of Ozena Sta. on Forest Service Rd. 9N03, junction of Rd. 9N03 and 9N03c 1220 Comment
  RSA393182  Eriogonum baileyi var. baileyi Christopher Davidson, J. A. Churchill 1976-9-16 4734 Kern 1.2 mi. W of Frazier Park on paved road. 1570 Comment
  RSA393115  Eriogonum brachypodum Christopher Davidson 1976-5-14 3910 San Bernardino Pinnacles State Monument, ca. 18 miles E of China Lake. 503 Comment
  CAS-BOT-BC241862  Eriogonum caespitosum Christopher Davidson 1975-6-8 2794 Mono 2.2 mi N of Conway Summit (8 mi S of Bridgeport) on Hwy 395 2316 Comment
  RSA271907  Eriogonum caespitosum Christopher Davidson 1975-6-8 2794 Mono 2.2 mi. N of Conway Summit (8 mi. S of Bridgeport) on Hwy 395. 2317 Comment
  RSA393164  Eriogonum cithariforme var. agninum Anstruther Davidson 1893-7-4 s.n. Los Angeles Big Rock. Comment
  RSA393568  Eriogonum clavatum Anstruther Davidson 1893-5-12 s.n. Los Angeles Harold. Comment
Read comments
Dec 22 2020
  RSA424895B  Eriogonum davidsonii Christopher Davidson 1975-8-30 3243 San Bernardino 0.4 mile S of Onyx Summit on Highway 38. San Gorgonio Wilderness Viewpoint. 2537 Comment
  UC6220  Eriogonum davidsonii Dr. A. Davidson May, 1895 San Bernardino Mohave Desert Comment
  RSA393276  Eriogonum deflexum var. baratum Christopher Davidson 1977-5-26 5687 San Bernardino Clark Mtn. at Pachalka Spring. 1494 Comment
  RSA393268  Eriogonum deflexum var. deflexum Anstruther Davidson 1926-03 s.n. Riverside Colorado Desert. Comment
  RSA393450  Eriogonum fasciculatum var. polifolium Christopher Davidson, Alan Romspert 1979-5-16 7941 Inyo Panamint Mts. Johnson Canyon. Vicinity of lower spring at the end of the road. 20 miles SW of Badwater. 1189 Comment
  SBBG102651  Eriogonum fasciculatum var. polifolium Leota Davidson 1956-7-12 4855 Ventura Reyes Pk Rd on Pine Mtn ridge near Hwy 399 1402 Comment
  SBBG52200  Eriogonum fasciculatum var. polifolium C. Davidson 1976-5-22 4043 Inyo Last Chance Mtns, directly E of Eureka Dune, S end of Eureka Valley 914 Comment
  RSA393375  Eriogonum giganteum var. giganteum Anstruther Davidson 1891-6-26 s.n. Los Angeles Santa Catalina Island Comment
  RSA393240  Eriogonum gracile var. gracile Anstruther Davidson 1893-08 s.n. Los Angeles Los Angeles Comment
  RSA393216  Eriogonum grande var. grande Anstruther Davidson s.n. Los Angeles Catalina [Island] Comment
  CAS-BOT-BC261174  Eriogonum heermannii var. heermannii Dr. A. Davidson 1893-7-1 s.n. Los Angeles Rock Creek, Mojave Desert Comment
  RSA393653  Eriogonum maculatum Christopher Davidson 1976-5-21 3955 Inyo ca. 5 miles N of Little Lake on St. Hwy 395. 1067 Comment
  RSA393660  Eriogonum maculatum Anstruther Davidson 1901-08 s.n. Los Angeles Rock Creek. Comment
  RSA393672  Eriogonum microtheca var. ambiguum Anstruther Davidson 1911-07 2736 Inyo Andrews Camp. Bishop Creek [Now Bishop]. Comment
  RSA393690  Eriogonum mohavense Anstruther Davidson 1928-7-7 s.n. Los Angeles Acton. Comment
  SBBG45492  Eriogonum mohavense Leota Davidson 1965-5-10 136 c San Bernardino between Victorville and Joshua Tree Comment
  RSA393382  Eriogonum nidularium Christopher Davidson, J. Jones 1980-10-25 10714 Mono Hwy 395 N of Bishop, 7 miles S of Sherwin Summit, blackbush scrub on E side of road 1677 Comment
  SBBG64118  Eriogonum nudum Anstruther Davidson 1893-1 Los Angeles Big Rock Crk Comment
  RSA393306  Eriogonum nudum var. deductum Anstruther Davidson 1911-07 s.n. Inyo Andrews Camp. Bishop Creek [Now Bishop]. Comment
  RSA0056552  Eriogonum nudum var. deductum Christopher Davidson 1978-9-10 7447 Mono Trail to Lake Mildred, 1-5 mi. SW of Convict Lake, SW of Highway 395. 2590 Comment
  RSA393040  Eriogonum ovalifolium var. vineum Christopher Davidson 1978-6-18 7293 San Bernardino San Bernardino Mts. Hwy 18, 8.7 mi SE of Lucerne Valley, 0.1 mi inside San Bernardino Nat. Forest. Limestone talus up a small draw on NE side of the road. 1372 Comment
  RSA393057  Eriogonum parishii Christopher Davidson 1975-8-30 3215 San Bernardino On road 2N10 at jct with rd. to Cark's Ranch, 1.9 mi. E of Bluff Lake. 2363 Comment
  SD107316  Eriogonum parishii Christopher Davidson 1976-8-14 4517 San Bernardino San Bernardino Mts. Fish Cr. Meadows, at the end of Forest Service Rd 1N05, S of Heart Bar State Park 2438 Comment
  RSA423124  Eriogonum plumatella Anstruther Davidson 1893-4-12 s.n. Riverside Palm Springs. Comment
  RSA424829  Eriogonum pusillum Christopher Davidson 1976-5-17 3921 Inyo U.S. Naval Ordinance Test Station. Sheep Canyon (also called Renegade Canyon) petroglyph site. 1555 Comment
  RSA424850  Eriogonum pusillum Christopher Davidson 1973-4-7 1914 San Bernardino St. Hwy 62, ca 5 mi w of jct. with St. Hwy 18 [Hwy 62 and 247 jtn], toward hills on the right (as going toward Morongo Valley.) 915 Comment
  SEINET2444091  Eriogonum reniforme C. Davidson 2010-4-1 11643 Riverside Highway 168 to Joshua Tree National Park, ca 1 mile from 1-10. 515 Comment
  RSA423127  Eriogonum rosense Anstruther Davidson 1913-07 2906 Inyo Andrews Camp, Mountain. 2896 Comment
  CAS-BOT-BC267754  Eriogonum roseum Dr. Davidson 189_ [Date incomplete on sheet.] s.n. Los Angeles Mountains near Antelope Valley Comment
  RSA424882B  Eriogonum roseum Anstruther Davidson 1875-1 1868 Kern Tehachapi Mountains Comment
  RSA424893  Eriogonum roseum Anstruther Davidson 1908-07 1645 Tulare Sequoia National Forest. Comment
  RSA271930  Eriogonum saxatile Anstruther Davidson 1892-06 s.n. Los Angeles Wilson's Peak. Comment
  RSA424922A  Eriogonum saxatile Anstruther Davidson 1908-07 1643 Tulare Sequoia National Forest. Comment
  UC6444  Eriogonum saxatile Dr. A. Davidson May 1895 Los Angeles Wilson's Peak Comment
  UC6446  Eriogonum saxatile Dr. A. Davidson 1895-1 Los Angeles Wilson's Peak Comment
  UC6448  Eriogonum saxatile Dr. A. Davidson 1895-1 Los Angeles Wilson's Peak Comment
  RSA424945  Eriogonum thomasii Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-28 7776 Imperial Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob. 79 Comment
  RSA424952  Eriogonum thomasii Christopher Davidson 1973-3-8 1628 Inyo Death Valley National Monument, 1/4 mile from Beatty Jct toward Beatty. -30 Comment
  RSA424973  Eriogonum thurberi Anstruther Davidson 1889-08 s.n. Los Angeles Los Angeles. Comment
Read comments
Jul 29 2018
  RSA420641  Eriogonum umbellatum Christopher Davidson 1978-9-10 7449 Mono Trail to Lake Mildred, 1-5 miles southwest of Convict Lake, SW of Hwy 395 2439 Comment
  RSA271942  Eriogonum umbellatum var. modocense Christopher Davidson 1975-6-4 2595 Modoc 0.4 miles E of Hwy 395 on Hwy 299 toward Cedarville. 1380 Comment
  RSA0036146  Eriogonum vimineum Anstruther Davidson 1891-1 1876 Los Angeles Little Rock Creek. Comment
  RSA423139  Eriogonum viridescens Anstruther Davidson 1892-7-3 s.n. Los Angeles Lancaster. Comment
  RSA423138  Eriogonum viridescens Anstruther Davidson 1901-8-1 1463 Los Angeles Mojave Desert. Comment
  POM357896  Eriophyllum ambiguum var. paleaceum Anstruther Davidson 1893-4-12 s.n. Riverside Palm Springs. Comment
  POM357883  Eriophyllum ambiguum var. paleaceum Anstruther Davidson 1910-4-25 2437 Inyo Haiwee. Comment
  CAS-BOT-BC297383  Eriophyllum confertiflorum Christopher Davidson; et al. 1979-5-22 8085 San Bernardino San Bernardino Mts. Grapevine Canyon. 7.0 miles S of Highway 18 on Grapevine Canyon Rd 1676 Comment
  POM358070  Eriophyllum lanatum Christopher Davidson 1973-5-26 2166 Shasta ca. 15 mi W of Burney on St Hwy 299. Above roadbank on abandoned dirt rd near Hwy 299 915 Comment
  POM358024  Eriophyllum lanatum var. achilleoides Christopher Davidson 1975-6-4 2611 Modoc 1/4 mi. W of Cedarville on Hwy 299. 1463 Comment
  POM358039  Eriophyllum lanatum var. integrifolium Anstruther Davidson 1895-9-1 s.n. San Bernardino Squirrel Inn Comment
  POM358049  Eriophyllum lanatum var. integrifolium Anstruther Davidson 1913-07 2885 Inyo South Fork Bishop Creek Comment
  POM358053  Eriophyllum lanatum var. obovatum Christopher Davidson 1975-8-16 3146 San Bernardino S. of Big Bear Lake, near Bluff Lake. Ca. 50 yards NE of lake in Jeffrey pine forest. 2317 Comment
  POM358163  Eriophyllum lanosum Anstruther Davidson 1922-4-1 3527 Riverside Palm Springs. Comment
  POM358113  Eriophyllum pringlei Christopher Davidson, Robert Gustafson, R. F. Thorne 1979-5-22 8041 San Bernardino Toward Apple Valley, near jct of Flicker and Oriole Rds, off Grapevine Rd. 1136 Comment
  POM358137  Eriophyllum staechadifolium Christopher Davidson 1977-6-17 5886 Sonoma Coast Hwy 1, ca. 3 miles N of Jenner. Comment
  POM358186  Eriophyllum wallacei Anstruther Davidson 1923-4-1 s.n. San Bernardino Victorville. Comment
  RSA358143  Eriophyllum wallacei Anstruther Davidson 1893-5-1 s.n. Los Angeles San Fernando Comment
  SBBG25232  Eriophyllum wallacei Leota Davidson 1965-5-9 122 a Los Angeles E of Little Rock Comment
  RSA390955  Erodium botrys Anstruther Davidson 1922-01 s.n. San Diego San Diego (no data on label) Comment
  RSA390954  Erodium macrophyllum Anstruther Davidson 1890-5-5 s.n. Ventura Hoppers Ranch. Comment
  RSA390940  Erodium texanum Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  RSA530355  Erysimum capitatum var. perenne Christopher Davidson 1978-9-10 7468 Mono Trail to Lake Mildred, 1-5 miles SW of Convict Lake, SW of Hwy 395. 2896 Comment
  RSA445658  Eschscholzia minutiflora Christopher Davidson, Alan Romspert 1979-5-17 8013 Inyo Panamint Mountains, Johnson Canyon. Trail up the creek to Hungry Bill's. 1189 Comment
  RSA445665  Eschscholzia minutiflora Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  RSA420837  Eucrypta chrysanthemifolia var. bipinnatifida Christopher Davidson 1973-4-19 1962 San Bernardino Joshua Tree National Monument, ca. 5 miles East of Split Rock, ca. 3 miles S of Park entrance 1189 Comment
  RSA436007  Euphorbia crenulata Christopher Davidson 1973-5-26 2161 Shasta Approximately 15 mi. W of Burney on St. Hwy 299. 915 Comment
  RSA32390  Euphorbia melanadenia Anstruther Davidson 1895-04 s.n. Los Angeles Garvanza Hills Comment
  RSA432421  Euphorbia ocellata subsp. ocellata Anstruther Davidson 1908-07 s.n. Tulare Lemon Cove. Comment
  RSA433510A  Euphorbia spathulata Anstruther Davidson 1890-1 s.n. Los Angeles Foothills. Comment
  RSA473726  Euthamia occidentalis Anstruther Davidson 1890-06 s.n. Los Angeles E. Los Angeles. Comment
  RSA476340  Fendlerella utahensis Christopher Davidson 1977-5-27 5776 San Bernardino Trail up north side of Clark Mountain, departing from Colosseum Mine Rd. 2.6 miles south of Powerline Rd. 1890 Comment
Read comments
Jul 15 2014
  UCR137147  Festuca kingii Anstruther Davidson 1911-1 2534 Inyo Eastern Sierra Nevada, Bishop Creek 2287 Comment
  RSA415963  Festuca rubra Anstruther Davidson 1911-07 225 Inyo Bishop Creek. 1524 Comment
  RSA470472  Foeniculum vulgare Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  HSC66183  Forestiera pubescens Christopher Davidson, B. Gustafson, R. F. Thorne, et al. 1979-5-22 8136 San Bernardino San Bernardino Mtns., 5 mi. S of Hwy. 18 on road up Arrastre Canyon 1128 Comment
  RSA464871  Forestiera pubescens Anstruther Davidson 1930-4-24 s.n. Los Angeles Near Van Nuys Comment
  RSA464873  Forestiera pubescens Anstruther Davidson 1898-07 s.n. Los Angeles Lancaster Comment
  RSA392136  Frasera neglecta Christopher Davidson 1976-7-17 4474 San Bernardino San Bernardino Mts. Arrastre Flat, on rd 3N08, N of Big Bear Lake. 2241 Comment
  RSA392138  Frasera neglecta Anstruther Davidson 1893-7-4 s.n. Los Angeles Big Rock. Comment
  RSA0003728  Frasera puberulenta Anstruther Davidson 1911-07 2705 Inyo South Lake, Bishop Creek. 3049 Comment
  RSA464928  Fraxinus anomala Christopher Davidson 1977-5-28 5801 San Bernardino New York Mountains, Keystone Springs, toward head of Keystone Canyon, east side of New York Mts. 1828 Comment
  SBBG52694  Fraxinus anomala C. Davidson 1977-5-27 5781 San Bernardino trail up N side of Clark Mtn, departing from Colosseum Mine Rd ca. 2.6 mi S of Powerline Rd 1889 Comment
  SCFS693  Fritillaria atropurpurea E. Davidson 1964-1 Nevada Comment
  RSA367722  Fritillaria biflora Anstruther Davidson 1909-04 2335 Los Angeles Hollywood. Comment
  RSA367741  Fritillaria micrantha Christopher Davidson 1973-5-17 2068 Madera 3 miles north of North Fork on unlabeled paved road, Sierra foothills 915 Comment
  RSA458584  Funastrum cynanchoides var. hartwegii Christopher Davidson, B. Gustafson 1977-4-7 5595 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. 610 Comment
  SBBG45700  Funastrum hirtellum Leota Davidson 1965-5-13 187 Riverside Joshua Tree Nat Monument Comment
  POM367626  Galium Anstruther Davidson 1908-07 1791 Tulare Sequoia National Forest. Comment
  HSC46439  Galium angustifolium subsp. angustifolium Christopher Davidson, R. F. Thorne 1976-8-14 4605 San Bernardino San Bernardino Mtns., Fish Creek, on FS Rd. 1N05, S of Heart Bar State Park 1982 Comment
  HSC66179  Galium angustifolium subsp. angustifolium Christopher Davidson, B. Gustafson, R. F. Thorne, et al. 1979-5-22 8095 San Bernardino Grapevine Canyon, 6.5 mi S of Hwy. 18 on Grapevine Canyon Rd. 1610 Comment
  POM367637  Galium angustifolium subsp. angustifolium Anstruther Davidson 1901-07 2232 San Bernardino Bear Valley, San Bernardino Mountains. Comment
  POM367729  Galium angustifolium subsp. angustifolium Christopher Davidson 1975-6-22 2954 Ventura 2 miles S of Chuchupate Forest Station on road 8N04 to Frazier Mountain. 1509 Comment
  UC28169 Image available Galium angustifolium var. pinetorum Dr. A. Davidson 1893-1 Los Angeles Sierra Madre Mts.; ; Sierra Madre Mts., Los Angeles Co. Comment
  POM367789  Galium californicum Anstruther Davidson 1919-07 3328 Humboldt Eel River. Comment
  UC1375365  Galium catalinense C. Davidson 1971-5-7 1517 Los Angeles lower part of canyon Catalina Is., Middle Ranch Canyon Comment
  RSA454391  Galium hilendiae Christopher Davidson, B. Gustafson, Robert F. Thorne 1979-5-22 8081 San Bernardino San Bernardino Mountains: Grapevine Canyon. North desert slope. 7.0 miles S of Highway 18 on Grapevine Canyon Road. 1677 Comment
  RSA454393  Galium hilendiae Christopher Davidson, B. Gustafson, D. A. Reynolds 1979-5-9 7845 San Bernardino St Highway 18 up Cushenbury Canyon, ca. 1/4 mi inside San Bernardino Nat'l Forest boundary. 1418 Comment
  RSA454394A  Galium hilendiae Christopher Davidson 1978-6-18 7298 San Bernardino San Bernardino Mts. Hwy 18, 8.7 mi SE of Lucerne Valley, 0.1 mi inside San Bernardino Nat. Forest. Limestone talus up a small draw on NE side of the road. 1372 Comment
  RSA271921  Galium parishii Christopher Davidson 1976-6-26 4467 San Bernardino On St Hwy 18, Cushenberry Grade summit. Open area behind the snow fences to the N of the road. Slight SW slope. 2058 Comment
  POM367809  Galium pubens Anstruther Davidson 1908-07 1702 Tulare Sequoia National Forest. Comment
  RSA0038283  Galium pubens Anstruther Davidson 1908-07 1868 Tulare Sequoia National Forest. Comment
  POM367814  Galium stellatum Christopher Davidson 1979-4-4 7727 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  POM367815  Galium stellatum Christopher Davidson 1979-4-4 7718 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  UCR143350  Gamochaeta pensylvanica Anstruther Davidson 1914-6-1 2973 Los Angeles San Gabriel Valley, Azusa Station 152 Comment
  SEINET3890980  Garrya elliptica C. Davidson 2011-1-26 11826 Humboldt Moonstone Beach, north of McKinleyville.; 0 Comment
  CAS-BOT-BC186385  Garrya flavescens Dr. A. Davidson 1893-7-1 s.n. San Bernardino Rock Cr, Mojave Desert Comment
  RSA392390  Garrya flavescens subsp. pallida Anstruther Davidson 1906-6-7 1506 Los Angeles Big Rock Creek. Comment
  UC53646  Gastridium ventricosum Dr. A. Davidson Los Angeles Catalina Is. Comment
  SCFS214  Gayophytum E. Davidson 1964-7-12 712647 Nevada Sagehen Basin, 300' N of station on S-facing slope 1981 Comment
  HSC46437  Gayophytum diffusum subsp. parviflorum Christopher Davidson, R. F. Thorne 1976-8-15 4715 San Bernardino San Bernardino Mtns., Lower S Fork Meadow, San Gorgonio Wilderness Area, by trail toward Poopout Hill. 2317 Comment
  RSA355369  Gayophytum diffusum subsp. parviflorum Christopher Davidson 1976-6-26 4434 San Bernardino Green Valley Road, 1.4 miles from junction with Highway 18; 1966 Comment
  SBBG25197  Gayophytum diffusum subsp. parviflorum Leota Davidson 1965-10-12 264 Alpine Ebbetts Pass Comment
  UCR137152  Gayophytum diffusum subsp. parviflorum Christopher Davidson, R. F. Thorne 1976-8-15 4715 San Bernardino San Bernardino Mtns., Lower South Fork Meadow, San Gorgonio Wilderness Area 2439 Comment
  POM355407  Gayophytum racemosum Anstruther Davidson 1908-07 1660 Tulare Sequoia State Park, [illegible] Comment
  RSA271916  Gayophytum ramosissimum Christopher Davidson 1975-6-7 2759 Lassen 1 mi E of Beckwourth Pass on Hwy 70. 1524 Comment
  RSA355357  Gayophytum ramosissimum Christopher Davidson 1976-5-23 4059 Inyo on Waucoba Rd., 1.6 mi E of Saline Valley junction. Off small dirt road to N, site overlooking Little Cowhorn Valley; 2255 Comment
  RSA392211  Gentiana Anstruther Davidson 1911-07 2665 Inyo Bishop Creek. 1524 Comment
  RSA391976  Gentiana amarella Christopher Davidson 1975-8-30 3238 San Bernardino 0.4 mi S of Onyx Summit on Hwy 38. San Gorgonio Wilderness Viewpoint. 2537 Comment
  POM358654  Geraea canescens Christopher Davidson 1973-3-8 1640 Inyo Death Valley National Monument. 1/4 mile from Beatty Junction toward Beatty. -30 Comment
  POM358666  Geraea canescens Christopher Davidson 1979-4-4 7683 Riverside Orocopia Mts, lower end of Box Canyon on Box Canyon road, 4.4 miles E of Mecca 213 Comment
  POM358668  Geraea canescens Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  SBBG44596  Geraea canescens Leota Davidson 1966-4-3 229 Riverside below Washington Street overpass, Interstate 10, ca. 5.5 mi W of Indio Comment
  SBBG44748  Geraea canescens Leota Davidson 1966-2-22 315 Inyo ca. 5 mi N of Furnace Crk Ranch Comment
  RSA391322  Geranium californicum Christopher Davidson 1975-8-16 3155 San Bernardino S. of Big Bear Lake. near junction of private road to Bluff Lake and rd 2N10. Meadow opposite the junction 2325 Comment
  SD107337  Geranium californicum Christopher Davidson 1976-8-14 4590 San Bernardino San Bernardino Mountains, aspen grove on Fish Creek, on Forest Service Road 1N05, south of Heart Bar St. Park 1981 Comment
  RSA0028192  Geranium carolinianum Christopher Davidson 1973-5-19 2075 Mendocino E of Willits on dirt rd. off Hearst Rd. (Hwy. 20). 762 Comment
  RSA0028544  Geranium molle Christopher Davidson 1977-6-18 5898 Mendocino Piper Ranch. Off Mountain View Rd. (N of Pt Arena), several miles NW of ranch buildings. Along banks of Birch Cr. 305 Comment
  RSA391019  Geranium richardsonii Christopher Davidson 1976-6-9 4375 San Bernardino San Bernardino Mountains, Highway 38, 0.4 mile SE of Onyx Summit. 2561 Comment
  RSA391030  Geranium richardsonii Christopher Davidson, Robert F. Thorne 1976-8-15 4674 San Bernardino Upper South Fork Meadow, San Gorgonio Wilderness Area. 2439 Comment
  RSA454248  Geum macrophyllum Anstruther Davidson 1911-07 2723 Inyo Andrews Camp. Bishop Creek [Now Bishop]. Comment
  RSA454246  Geum macrophyllum Anstruther Davidson 1913-7-1 s.n. Inyo Bishop Creek. Comment
  RSA454249  Geum macrophyllum Anstruther Davidson 1913-07 2920 Inyo Bishop Creek. Comment
  SCFS897  Geum macrophyllum E. Davidson 1964-6-22 6226420 Nevada Sagehen Basin, By check dam SW of hatchery 1951 Comment
  RSA469713  Gilia aliquanta subsp. breviloba Anstruther Davidson 1906-6-1 s.n. Los Angeles Big Rock Creek, Lowell Mine. Comment
  RSA470094  Gilia angelensis Christopher Davidson 1973-4-6 1862 Los Angeles Tapia Park, Malibu Canyon. 244 Comment
  RSA470123  Gilia angelensis Anstruther Davidson 1926-05 s.n. Riverside Corona. Comment
  RSA470130  Gilia angelensis Christopher Davidson 1973-4-1 1832 Riverside Jct. Vail Lake Marina and Hwy. 71/79, about 3 miles west of Aguanga. 426 Comment
  UC133891  Gilia angelensis Mrs. Davidson Los Angeles Los Angeles Comment
  RSA470104  Gilia angelensis Anstruther Davidson 1908-08 1797 Los Angeles [illegible] holly, Hollywood, Cal. Comment
  RSA470149A  Gilia australis Anstruther Davidson s.n. Los Angeles Acton. Comment
  RSA470168  Gilia brecciarum subsp. argusana Anstruther Davidson 1910-4-26 s.n. Kern Rand. Comment
  RSA470169  Gilia brecciarum subsp. argusana Christopher Davidson, B. Gustafson, Frances Runyan 1973-3-31 1854 Kern 5 miles west on dirt road to fossil diggings off Claymine Road, 17 miles east of Mojave Comment
  RSA470178  Gilia cana subsp. cana Anstruther Davidson s.n. Los Angeles Rock Creek. Comment
  RSA470196  Gilia cana subsp. triceps Christopher Davidson 1704 Kern Dirt rd branching N from rd 9N24 to Pine Mt summit, ca. 1/2 mi N of McGill camground. 2393 Comment
  RSA469332  Gilia capitata Christopher Davidson 1975-6-4 2643 Shasta Hwy 89, 10 miles N of jct with Hwy 299. 915 Comment
  RSA470214  Gilia capitata subsp. abrotanifolia Anstruther Davidson 1914-05 s.n. Los Angeles La Crescenta. Comment
  RSA470220  Gilia capitata subsp. abrotanifolia Anstruther Davidson s.n. Ventura Hueneme. Comment
  RSA470222  Gilia capitata subsp. abrotanifolia Anstruther Davidson 1908-05 1798 Los Angeles Hollywood. Comment
  RSA470258  Gilia capitata subsp. abrotanifolia Anstruther Davidson 1901-07 2214 San Bernardino 7 Oaks. San Bernardino Mountains. Comment
  RSA470265  Gilia capitata subsp. abrotanifolia Anstruther Davidson s.n. Orange Corona Del Mar Comment
  RSA470215  Gilia capitata subsp. abrotanifolia Anstruther Davidson 1908-5-14 s.n. Los Angeles Sierra Madre. Comment
  RSA470217  Gilia capitata subsp. abrotanifolia Anstruther Davidson 2500 Los Angeles Cold Brook, San Gabriel Canyon. Comment
  RSA470149B  Gilia diegensis Anstruther Davidson s.n. Los Angeles Acton. Comment
  RSA469398  Gilia latiflora subsp. davyi Christopher Davidson 1973-4-1 1890 Los Angeles 1 mile south of Littlerock. 762 Comment
  RSA469401  Gilia latiflora subsp. davyi Anstruther Davidson 1916-5-1 3167 Los Angeles Elizabeth Lake Comment
  RSA469763  Gilia latiflora subsp. davyi Christopher Davidson 1973-3-26 1778 Kern 1.5 miles W on dirt rd to fossil diggings off Claymore Rd. Boron Dry Lake region. 17 mi E of Mojave, Mojave Desert. 822 Comment
  RSA469368  Gilia latiflora subsp. latiflora Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  RSA469381  Gilia latiflora subsp. latiflora Anstruther Davidson s.n. Los Angeles Mt. Islip. Comment
  RSA469439  Gilia leptantha subsp. leptantha Christopher Davidson 1976-6-9 4387 San Bernardino Hwy 38, 0.5 miles east of Hart's Bar State Park. 2134 Comment
  RSA350823  Gilia lineata Anstruther Davidson 1923-04 3570 Riverside Idyllwild. Comment
Read comments
Oct 22 2011
  RSA0004796  Gilia lineata Anstruther Davidson 1923-04 3570 Riverside Idyllwild. Comment
  RSA469460  Gilia malior Christopher Davidson, B. Gustafson, Frances Runyan 1973-3-31 1853 Kern 2 miles W on dirt road to fossil diggings off Claymine road, 17 miles E of Mojave Comment
  RSA469470  Gilia modocensis Christopher Davidson 1975-6-22 2858 Ventura 1/2 mile beyond Lookout on Frazier Mtn on rd 8N04B. 2324 Comment
  SEINET4042293  Gilia ochroleuca subsp. bizonata C. Davidson 1975-1 2522 Ventura East of Ozena Sta. on Forest Service Road 9N03, junction of Road 9N03 adn 9N03C. 1219 Comment
  RSA0017129  Gilia ochroleuca subsp. bizonata Christopher Davidson 1975-7-3 2963 Kern Across from McGill Campground on road to Mount Pinos, Los Padres National Forest. 2203 Comment
  RSA0017143  Gilia ochroleuca subsp. bizonata Christopher Davidson 1975-5-25 2523 Ventura E of Ozena Sta. on Forest Serv. Rd 9N03, jct of Rd 9N03 and 9N03C. 1220 Comment
  RSA469508  Gilia ophthalmoides Christopher Davidson 1977-5-29 5841 San Bernardino Caruthers Canyon, south end of New York Mountains 1768 Comment
  RSA469506  Gilia ophthalmoides Christopher Davidson 1975-6-8 2785 Mono 2.2 mi. N of Conway Summit (8 mi. S of Bridgeport) on Hwy 395. 2317 Comment
  RSA272002  Gilia scopulorum Christopher Davidson 1976-6-8 4323 Inyo Death Valley National Monument. Highway 190, 1.4 miles W of west junction to Darwin, and 11.4 miles E of junction of State Highways 136 & 190. 1540 Comment
  RSA469634  Gilia sinuata Christopher Davidson 1973-4-19 1943 -b San Bernardino Joshua Tree National Monument, 5 miles E of Split Rock, 3 miles S of Park entrance. 1188 Comment
  RSA469635  Gilia sinuata Christopher Davidson 1973-4-19 1960 San Bernardino Joshua Tree National Monument, 5 miles E of Split Rock, 3 miles S of Park entrance. 1188 Comment
  RSA469626  Gilia stellata Christopher Davidson 1979-4-4 7715 Riverside Orocopia Mountains; Box Canyon on Box Canyon Road, 13.4 miles E of Mecca 488 Comment
  RSA469744  Gilia stellata Christopher Davidson 1973-4-7 1925 San Bernardino Off Hwy 62, toward Yucca Valley, 6.2 miles east, above Morongo Valley. 884 Comment
  SEINET10906034  Githopsis diffusa subsp. diffusa Davidson 1892-1 Davidson s.n. Los Angeles Near Los Angeles Comment
  RSA400867  Glechoma hederacea Anstruther Davidson 1890-5-5 s.n. Ventura Hoppers Ranch. Comment
  CAS-BOT-BC181001  Glossopetalon spinescens Christopher Davidson; B. Gustafson; D. Reynolds 1979-5-9 7853 San Bernardino St Hwy 18 up Cushenbury Canyon, ca. 1/4 mi inside San Bernardino Nat. For. boundary, steep limestone W slope and ridge east of the road. 1463 Comment
  RSA413948  Glyceria striata Anstruther Davidson 1908-07 2106 Tulare Sequoia National Park Comment
  UC30128  Glyptopleura setulosa A. Davidson 1893-5-1 Kern Lancaster Comment
  UC30129  Glyptopleura setulosa Dr. A. Davidson 1895-1 Kern Lancaster Comment
  SBBG25158  Glyptopleura setulosa Leota Davidson 1965-5-9 146 Los Angeles ca. 10 mi E of Little Rock Comment
  POM358781  Gnaphalium californicum Anstruther Davidson 1919-1 s.n. Los Angeles Streets, Los Angeles. Comment
  UC6612  Goodmania luteola Dr. A. Davidson May, 1895 Los Angeles Lancaster Comment
  IRVC27658  Grindelia robusta Anstruther Davidson 1915-6-24 s.n. Los Angeles Near Santa Susanna Santa Susanna Mtns Comment
  POM359096  Grindelia robusta Anstruther Davidson 1924-5-1 s.n. San Diego San Diego. Comment
  RSA359092  Grindelia robusta Anstruther Davidson 1915-6-1 3072 Los Angeles Brea Rancho. Comment
  RSA402901  Guilleminea densa Anstruther Davidson 1890-09 s.n. Los Angeles Lawn Comment
  RSA430032  Guillenia lasiophylla Christopher Davidson 1976-5-17 3927 Inyo U.S. Naval Ordinance Test Station. Sheep Canyon (also called Renegade Canyon) petroglyph site. 1555 Comment
  RSA430024A  Guillenia lasiophylla Anstruther Davidson 1890-3-24 s.n. Los Angeles Foothills L.A. Comment
  RSA430025A  Guillenia lasiophylla Anstruther Davidson 1890-05 s.n Los Angeles [no locality information provided] Comment
  RSA430040  Guillenia lasiophylla Christopher Davidson, Robert Gustafson, Frances Runyan 1973-3-26 1747 Kern Boron Dry Lake area. 2 miles W on dirt road to fossil diggings off Claymine Road, 17 miles E of Mojave. 823 Comment
  SCFS5351  Habenaria dilatata E. Davidson 1964-6-29 062964 -1 Nevada Found on shady marshy bank of Sagehen Creek ca. 1/2 mile west of station. 1951 Comment
  RSA403565  Hainardia cylindrica Anstruther Davidson 1915-6-11 3075 Los Angeles Los Angeles. Comment
  RSA0002528  Hasseanthus kessleri Anstruther Davidson 1922-04 3495 Ventura Conejo Pass. [county not specified] Comment
  POM359471  Hazardia squarrosa var. grindelioides Anstruther Davidson 1890-09 s.n. Los Angeles Los Angeles Comment
  POM359725  Hecastocleis shockleyi Christopher Davidson 1976-6-6 4250 Inyo Last Chance Mts.; Limestone Canyon (''Dedeckera Canyon'') S of Eureka Dune. 1219 Comment
  RSA0046774  Helianthemum scoparium var. aldersonii Anstruther Davidson 1909-07 2190 San Bernardino Clark's Ranch, S.B. Mts. Comment
  POM359978  Helianthus annuus subsp. lenticularis Anstruther Davidson s.n. Los Angeles E. Los Angeles. Comment
  POM360037  Helianthus gracilentus Christopher Davidson 1975-6-16 2802 Riverside Ca. 2 miles S of Banning on road R1 to Idyllwild. 823 Comment
  CAS-BOT-BC305791  Helianthus nuttallii Davidson; Greata 1901-9-1 s.n. Los Angeles East Los Angeles Comment
  RSA233017  Heliotropium curassavicum var. oculatum Christopher Davidson, Gerald L. Benny 1971-6-15 1556 Orange Carbon Canyon, 1 mile SW of Carbon Canyon mineral spring. Comment
  RSA271932  Hemitomes congestum Christopher Davidson 1977-6-18 5888 Mendocino Piper Ranch, off Mountain View Rd (N of Pt Arena), 11.7 mi. E of Hwy 1. 427 Comment
  POM362216  Hemizonia Christopher Davidson 1977-6-20 6009 Sonoma Dry Cr. Rd. 8.6 mi. W of Geyserville. 91 Comment
  POM360336  Hemizonia pungens subsp. pungens Anstruther Davidson 1897-9-29 s.n. Los Angeles Little Rock Creek. Comment
  RSA453732  Heracleum maximum Anstruther Davidson 1908-07 2086 Tulare Sequoia National Forest. Comment
  RSA377064  Hesperocallis undulata Christopher Davidson 1976-3-27 3905 San Diego 4 miles W of Ocotillo Wells on State Highway 78. 274 Comment
  POM353173  Hesperostipa comata subsp. comata Christopher Davidson 1977-5-28 5800 b San Bernardino Keystone Springs, toward head of Keystone Canyon, east side of New York Mts. 1828 Comment
  SD107300  Heterocodon rariflorum Christopher Davidson 1975-8-16 3128 San Bernardino East end of Bluff Lake, in small forest runoff channel. 2315 Comment
  SEINET10460702  Heterocodon rariflorum Davidson Davidson s.n. Kern TEHACHAPI MTS. Comment
  RSA451287  Heteromeles arbutifolia Anstruther Davidson s.n. Los Angeles Catalina [Island] Comment
  RSA0074512  Heterotheca fastigiata Anstruther Davidson s.n. Los Angeles E. Los Angeles. Comment
  RSA0066360  Heuchera micrantha var. hartwegii Christopher Davidson 1977-6-18 5909 Mendocino Mountain View Rd. 14.3 miles E of jct with Coast Hwy 1. 610 Comment
  RSA0063242  Heuchera parishii Anstruther Davidson 1909-07 2270 San Bernardino Bear Valley, S.B. Mts. Comment
  RSA263621  Heuchera parishii Christopher Davidson, Robert F. Thorne 1976-8-15 4565 San Bernardino Fish Creek Meadows at the end of Forest Service rd. 1N05, S of Heart Bar State Park. 2439 Comment
  RSA0066144  Heuchera rubescens var. alpicola Anstruther Davidson 1911-07 2688 Inyo Andrews Camp, Bishop Creek [Bishop]. Comment
  RSA0063126  Heuchera rubescens var. alpicola Christopher Davidson 1975-6-8 2775 Mono Ca 3 miles S of Topaz on Hwy 395. 1753 Comment
  CAS-BOT-BC203346  Hibiscus denudatus A. Davidson 1893-1-1 s.n. Riverside Palm Springs, Colorado Desert Comment
  HSC66721  Hibiscus denudatus Christopher Davidson, Josephine Jones 1980-4-4 9961 Riverside W end of Orocopia Mtns., canyon and wash S of Oro Peak 518 Comment
  RSA432780  Hibiscus denudatus Christopher Davidson, J. Jones 1980-4-5 9961 Riverside west end of the Orocopia Mts in a small canyon and wash, almost due south of Oro Peak. Comment
  RSA432782  Hibiscus denudatus Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  POM360432  Hieracium albiflorum Anstruther Davidson 1915-8-1 3088 Los Angeles Camp Baldy. Comment
  SCFS634  Hieracium albiflorum E. Davidson 1964-7-16 7166410 Nevada Sagehen Basin, Edge of 2nd terrace of lg hanging bog, ca 1 mi SW of station 1981 Comment
  POM360454  Hieracium albiflorum Anstruther Davidson 1908-07 2067 Tulare Sequoia National Park [county not specified]. Comment
  RSA360462  Hieracium argutum Anstruther Davidson 1890-09 s.n. Los Angeles Millards Canon, Pasadena. Comment
  POM360479  Hieracium horridum Anstruther Davidson 1909-07 2153 San Bernardino Bear Valley, San Bernardino Mts. Comment
  UC160451  Hirschfeldia incana A. Davidson, M. D. Nov 1911 2787 Los Angeles Los Angeles Comment
  RSA348807  Hoita macrostachya Anstruther Davidson 1889-05 s.n Los Angeles Los Angeles. Comment
  RSA449746  Holodiscus boursieri Christopher Davidson 1974-7-26 2503 El Dorado 3 miles E of Echo Summit on State Highway 50. 2226 Comment
  RSA449804  Holodiscus microphyllus Anstruther Davidson 1911-07 2655 Inyo Andrews Camp. Bishop Creek [Now Bishop]. Comment
  POM352436  Hordeum brachyantherum Anstruther Davidson 69 Los Angeles E. Los Angeles. Comment
  POM352438  Hordeum brachyantherum Anstruther Davidson 1895-04 273 Los Angeles Los Angeles Comment
  POM352451  Hordeum brachyantherum Anstruther Davidson 1894-04 275 Los Angeles Elysian Park, Los Angeles Comment
  POM352490  Hordeum marinum subsp. gussoneanum Christopher Davidson 1977-5-25 5637 Riverside Mesa de Burro, Santa Rosa Plateau area of Santa Ana Mountains. Southern California 701 Comment
  HSC46480  Horkelia parryi Christopher Davidson 1976-6-26 4463 San Bernardino NW end of Baldwin Lake, NW of Highway 38 1982 Comment
  RSA451549  Horkelia rydbergii Anstruther Davidson 1901-07 2216 San Bernardino 7 Oaks. San Bernardino Mountains. Comment
  RSA451560  Horkelia rydbergii Christopher Davidson 1978-6-18 7312 San Bernardino Hwy 18, 10.2 mi SE of Lucerne Valley, 1.6 mile inside San Bernardino National Forest, below Whisky Springs, opposite Chicopee Creek and Canyon. 1616 Comment
  RSA451562  Horkelia rydbergii Christopher Davidson, Robert F. Thorne 1976-8-14 4566 San Bernardino Fish Creek Meadows, at the end of Forest Service Road 1N05, S of Heart Bar State Park. 2439 Comment
  RSA451892  Horkelia tridentata Anstruther Davidson 1970 San Bernardino Bear Valley Dam; San Bernardino Mountains. Comment
  RSA433954  Horsfordia newberryi Anstruther Davidson 1930-04 s.n. Riverside Devil s Canyon, Coral Reef Ranch, Coachella Comment
  CAS-BOT-BC206052  Hosackia crassifolia A. Davidson 1907-6-1 1683 Kern Tehachapi Mts Comment
  SD52135  Hosackia crassifolia var. crassifolia A. Davidson 1893-1 2201 Los Angeles Rock Creek Comment
  POM360715  Hulsea vestita subsp. parryi Anstruther Davidson 1930-7-8 2155 San Bernardino Santa Ana River above 7 Oaks Comment
  POM360717  Hulsea vestita subsp. pygmaea Anstruther Davidson 1915-8-20 3062 San Bernardino Mt. San Gorgonio Comment
  RSA453776  Hydrocotyle verticillata Anstruther Davidson s.n. Los Angeles Malibu Creek. Comment
  RSA420900  Hydrophyllum capitatum var. alpinum Christopher Davidson 1973-5-26 2717 Modoc 4 miles W of Canby on Hwy 299. 1341 Comment
  POM361061  Hymenoclea salsola Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  POM361091  Hymenoclea salsola Anstruther Davidson 1928-4-28 3647 Inyo Coso Hot Springs. Comment
  RSA360735  Hymenoclea salsola Anstruther Davidson 1910-4-25 2373 Inyo Haiwee Comment
  RSA361119  Hymenopappus filifolius var. lugens Christopher Davidson 1976-6-9 4384 San Bernardino Hwy 38, 0.5 miles east of Hart's Bar State Park. 2134 Comment
  RSA361169  Hymenoxys cooperi Christopher Davidson 1977-5-29 5843 San Bernardino Caruthers Canyon, south end of New York Mountains. 1768 Comment
  SD99368  Hymenoxys cooperi Christopher Davidson 1977-5-29 5843 San Bernardino Caruthers Canyon south end of New York Mountains. 1769 Comment
  SCFS937  Hypericum formosum var. scouleri E. Davidson 1964-7-19 719641 Nevada Sagehen Basin, Ca 0.25 mi SE of station by creek 1951 Comment
  POM361228  Hypochaeris radicata Christopher Davidson 1977-6-17 5885 Sonoma Coast Hwy 1, ca. 3 miles N of Jenner. Comment
  RSA420153  Hyptis emoryi Anstruther Davidson 1905-1 s.n. Riverside Colorado Desert [? Information on label is illegible] Comment
  SEINET2444034  Hyptis emoryi C. Davidson 2010-4-1 11663 Riverside Highway 168 to Joshua Tree National Park, ca 3.6 miles from 1-10. 721 Comment
  UCSB52789  Ipomopsis aggregata subsp. bridgesii Davidson, Leota 1966-7-10 Tulare Holby Creek Road near Holby Creek, few miles from Quaking Aspen 2133 Comment
  RSA469558  Ipomopsis polycladon Christopher Davidson 1976-6-4 4177 Inyo Harkless Flat Road, 1.3 mile S of jct. with Waucoba Road 2073 Comment
  RSA469541  Ipomopsis tenuituba Anstruther Davidson 3000 Inyo Andrew's Camp, Bishop Creek. Comment
  RSA366793  Iris douglasiana Christopher Davidson 1973-5-29 2214 Mendocino W of Leggett on St Hwy 208. 457 Comment
  RSA366808  Iris hartwegii subsp. australis Christopher Davidson 1976-6-26 4419 San Bernardino ca. 1/4 mile E of Running Springs (Juntion of Hwys 30 &18). on Hwy 18 1829 Comment
  RSA366809  Iris hartwegii subsp. australis Anstruther Davidson 1901-07 241 San Bernardino 7 Oaks. San Bernardino Mountains. Comment
  RSA365358  Isolepis carinata Anstruther Davidson 1923-5-1 s.n. San Diego Chula Vista. Comment
  RSA366095  Isolepis cernua Anstruther Davidson 1891-10 s.n. Los Angeles River. Comment
  POM361293  Iva axillaris Christopher Davidson 1976-6-26 4451 San Bernardino Northwest end of Baldwin Lake, Northwest of Highway 38. 1982 Comment
  POM361289  Iva nevadensis Christopher Davidson 1976-6-7 4261 Mono 3 miles N of Fish Slough Petroglyph site on Five Bridges Road, N of Bishop. 1402 Comment
  RSA451604  Ivesia callida Anstruther Davidson 1930-1 s.n. Riverside Tahquitz Peak. Comment
  RSA451587  Ivesia santolinoides Anstruther Davidson 1924-07 s.n. Inyo Lone Pine 2134 Comment
  POM361339  Jaumea carnosa Anstruther Davidson 1891-9-10 s.n. Los Angeles Topanga Canyon Comment
  RSA368107  Juncus acutus subsp. leopoldii Anstruther Davidson 1892-08 s.n. Los Angeles Long Beach Comment
  RSA368075  Juncus balticus subsp. ater Anstruther Davidson 1926-5-1 s.n. Kern Dry Lakes, Mojave Desert. Muroc. Comment
  RSA368123  Juncus balticus subsp. ater Christopher Davidson, Robert F. Thorne 1976-8-14 4562 San Bernardino San Bernardino Mountains, Fish Creek Meadows, at the end of Forest Service Road 1N05, S of Heart Bar State Park. 2439 Comment
  SD99417  Juncus bolanderi Christopher Davidson 1977-6-20 6024 Sonoma Dry Creek Road, 11.9 miles west of Geyserville. Gravel bar in Warm Springs Creek. 136 Comment
  RSA368168  Juncus bufonius Christopher Davidson 1977-5-25 5638 Riverside Mesa de Burro, Santa Rosa Plateau area 701 Comment
  HSC66624  Juncus bufonius Christopher Davidson 1978-6-18 7352 San Bernardino San Bernardino Mtns., Baldwin Lake, 0.3 mi. E of Big Bear City, rocky slope overlooking lake 2058 Comment
  RSA368094  Juncus bufonius Anstruther Davidson s.n. Unknown [No locality information on label] Comment
Read comments
Jan 7 2016
  RSA368323  Juncus covillei Anstruther Davidson 1915-07 s.n. San Bernardino Forest Home [now Forest Falls] Comment
  RSA368222  Juncus hesperius Christopher Davidson 1977-6-20 6035 Sonoma Ridge Crest road, on Sea Ranch property south of Gualala River. 30 Comment
  RSA263607  Juncus macrandrus Christopher Davidson, Robert F. Thorne 1976-8-14 4588 San Bernardino San Bernardino Mountains, Fish Creek, on Forest Service Road 1N05, S of Heart Bar State Park. 1982 Comment
  RSA368258  Juncus macrandrus Christopher Davidson 1975-8-16 3101 San Bernardino E end of Bluff Lake, S of Big Bear Lake. 2317 Comment
  RSA368259  Juncus macrandrus Christopher Davidson, Robert F. Thorne 1976-8-15 4640 San Bernardino San Bernardino Mountains, Lower South Fork Meadow, San Gorgonio Wilderness Area. 2317 Comment
  RSA263616  Juncus macrophyllus Christopher Davidson, Robert F. Thorne 1976-8-14 4584 San Bernardino San Bernardino Mountains, Fish Creek, on Forest Service Road 1N05, S of Heart Bar State Park. 1982 Comment
  SD107336  Juncus macrophyllus Christopher Davidson 1976-8-14 4529 San Bernardino San Bernardino Mountains, aspen grove on Fish Creek, on Forest Service Road 1N05, south of Heart Bar State Park. 1981 Comment
  RSA368265  Juncus macrophyllus Anstruther Davidson 1920-07 s.n. Los Angeles Little Rock Creek. 1000 Comment
  RSA368267  Juncus macrophyllus Anstruther Davidson 1892-08 s.n. Los Angeles Mt. Wilson, San Gabriel Mtns. Comment
  HSC66177  Juncus mexicanus Christopher Davidson, A. P. Romspert 1979-5-17 7990 Inyo Panamint Mtns., Johnson Canyon, trail up the creek to Hungry Bill's 1189 Comment
  RSA368116  Juncus mexicanus Christopher Davidson 1975-6-29 2918 Kern San Emigdio Canyon, following old Mil Potrero Road, along San Emigdio Creek, Los Padres National Forest. 1677 Comment
  RSA368118  Juncus mexicanus Christopher Davidson, Robert F. Thorne 1976-8-15 4707 San Bernardino San Bernardino Mountains, Lower South Fork Meadow, San Gorgonio Wilderness Area. 2317 Comment
  RSA368119  Juncus mexicanus Christopher Davidson 1976-6-26 4464 San Bernardino Northwest end of Baldwin Lake, Northwest of Highway 38. 1982 Comment
  RSA368121  Juncus mexicanus Christopher Davidson 1975-6-22 2829 Ventura 2 miles S of Chuchupate Forest Station on road 8N04 to Frazier Mountain 1509 Comment
  SBBG54341  Juncus mexicanus C. Davidson, J. A. Churchill 1976-9-16 4749 Ventura rd to Mt Pinos summit, ca. 1.1 mi S of parking lot at end of pavement 2400 Comment
  SD99416  Juncus oxymeris Christopher Davidson 1977-6-17 5882 Sonoma State Highway 12, ca. 3 miles west of Guerneville, along Russian River. Sand bar in river. 14 Comment
Read comments
Jun 25 2020
  RSA368305  Juncus parryi Anstruther Davidson 1920-7-1 3397 Tulare Head Kings River. Comment
  RSA368198  Juncus rugulosus Anstruther Davidson 1894-1 s.n. Los Angeles Vernon: Los Angeles River. Comment
  RSA368074  Juncus xiphioides Anstruther Davidson 1923-9-1 s.n. Los Angeles [Los Angeles] River at Griffith Park. Comment
  RSA368080  Juncus xiphioides Anstruther Davidson 1921-7-1 3438 ? Los Angeles Arroyo Seco, Pasadena Comment
  SCFS830  Juniperus occidentalis E. Davidson 1964-7-18 718649 Nevada Sagehen Basin, 1.3 mi W of station, by rd 1981 Comment
  RSA420407  Keckiella breviflora Anstruther Davidson 1908-07 1714 Tulare Sequoia National Park. Comment
  CAS-BOT-BC235637  Keckiella breviflora var. breviflora Dr. A. Davidson 1892-7-1 s.n. Los Angeles Lancaster; Mojave Desert Comment
  RSA401765A  Keckiella cordifolia Anstruther Davidson 1889-07 s.n. Los Angeles Los Angeles. Comment
  RSA400470  Keckiella ternata subsp. ternata Christopher Davidson 1974-8-1 2516 Los Angeles Highway 39 toward Islip Saddle, along San Gabriel River. At Golden Cup Oak Plantation. Angeles National Forest. 1524 Comment
  RSA447636  Kelloggia galioides Christopher Davidson 1975-8-16 3104 San Bernardino E end of Bluff Lake along small forest runoff channel 2-3 ft. deep damp margins and bottom 2317 Comment
  RSA403460  Koeleria macrantha Anstruther Davidson 1911-07 2524 Inyo Bishop Creek. 1524 Comment
  RSA403462  Koeleria macrantha Anstruther Davidson 1892-8-20 256 Los Angeles Wilson's Peak. Comment
  UCR137144  Koeleria macrantha Anstruther Davidson 1911-1 2524 Inyo Eastern Sierra Nevada, Bishop Creek 2287 Comment
  HSC82896  Krameria bicolor Christopher Davidson, A. P. Romspert, H. Surprenant 1979-4-29 7805 Imperial Pilot Knob Mesa, 0.5 mi. SW of former town site of Cactus, on railroad access road toward Glamis. 119 Comment
  HSC82897  Krameria erecta Christopher Davidson, A. P. Romspert, H. Surprenant 1979-4-29 7804 Imperial Pilot Knob Mesa, 0.5 mi. SW of former town site of Cactus, on railroad access road toward Glamis. 119 Comment
  RSA409430  Krameria erecta Christopher Davidson, Alan Romspert 1979-5-17 7954 Inyo Panamint Mts. Johnson Canyon.' Various points along the road up Johnson Canyon wash. Ca. 5 mi from the junction. 869 Comment
  RSA409528  Lamium amplexicaule Christopher Davidson 1973-4-6 1866 Los Angeles Malibu Canyon, Tapia Park. 243 Comment
  CAS-BOT-BC123300  Langloisia flaviflora Anstruther Davidson 1922-5-28 3506 Kern Mohave Desert. Willow Springs. Comment
  SEINET2444114  Langloisia setosissima C. Davidson 2010-4-2 11688 Riverside 3 mi S of Hwy 111 in Palm Desert on Hwy 74 (Pines Palms Hwy). 365 Comment
  RSA468404  Langloisia setosissima subsp. punctata Christopher Davidson, Alan P. Romspert 1979-5-16 7926 Inyo Panamint Mts. Johnson Canyon. Vicinity of lower spring at the end of the road. 20 miles SW of Badwater. 1189 Comment
  RSA468407  Langloisia setosissima subsp. punctata Christopher Davidson 1976-5-22 3979 Inyo On Waucoba Rd., ca. 2 mi E of junction with Westgard Rd. , toward Eureka Valley. 1220 Comment
  RSA468353  Langloisia setosissima subsp. setosissima Christopher Davidson 1979-4-4 7677 Riverside Orocopia Mts, lower end of Box Canyon on Box Canyon road, 4.4 miles E of Mecca 213 Comment
  SBBG45747  Langloisia setosissima subsp. setosissima Leota Davidson 1966-4-6 240 Riverside Wiley Well Rd, 4.5 mi S of intersection with Interstate 10 ca. 31 mi E of Desert Center, Chuckawalla Mtns Comment
  POM368665  Lappula occidentalis var. occidentalis Anstruther Davidson 1901-07 2273 San Bernardino Bear Valley, San Bernardino Mountains. Comment
  UC30404  Lasthenia coronaria Dr. A. Davidson 1892-5-1 Los Angeles near Los Angeles Comment
  POM361511  Lasthenia gracilis Christopher Davidson, B. Gustafson, Frances Runyan 1973-3-31 1850 Kern 5 miles west on dirt road to fossil diggings off Claymine Road, 17 miles east of Mojave Comment
  RSA406613  Lathyrus Anstruther Davidson 1930-1 s.n. Los Angeles Los Angeles Comment
  RSA405712  Lathyrus vestitus subsp. laetiflorus Anstruther Davidson 1901-07 2259 San Bernardino 7 Oaks. San Bernardino Mountains. Comment
  RSA405701  Lathyrus vestitus subsp. laetiflorus Anstruther Davidson 1890-05 s.n. Los Angeles [no locality information provided] Comment
  RSA406626  Lathyrus vestitus subsp. vestitus Anstruther Davidson 1907-06 1686 Kern Tehachapi Mtns. Comment
  RSA406611  Lathyrus vestitus var. vestitus Anstruther Davidson 1930-1 s.n. Los Angeles Pacoima Canyon Comment
  POM361633  Layia glandulosa Christopher Davidson 1973-4-19 1990 Riverside Joshua tree Natl. Monument, various sites along the road, 1-10 miles s of Joshua tree 1220 Comment
  POM361656  Layia glandulosa Anstruther Davidson, H. E. Hasse 1906-6-2 1467 Los Angeles Big Rock Creek. Comment
  POM361658  Layia glandulosa Anstruther Davidson 1895-5-8 s.n. Los Angeles Lancaster. Comment
  POM361622  Layia glandulosa Anstruther Davidson 1890-4-13 s.n. Los Angeles Arroyo Comment
Read comments
Aug 9 2010
  POM361659  Layia glandulosa subsp. glandulosa Christopher Davidson 1973-5-24 2109 -a Modoc S of Alturas on Hwy 395 near Likely. 1341 Comment
  POM361697  Layia platyglossa subsp. campestris Christopher Davidson 1965-4-2 9 Monterey 17 Mile Drive, 3 miles SW of Pacific Grove. 0 Comment
  POM361675  Layia platyglossa subsp. campestris Anstruther Davidson 1890-3-30 s.n. Los Angeles Foot hills L.A. Comment
  RSA0036096  Ledum glandulosum Anstruther Davidson 1911-07 2650 Inyo North Lake, Bishop Creek. 3048 Comment
  RSA368977  Lemna valdiviana Anstruther Davidson 1922-7-1 s.n. Los Angeles Playa del Rey. Comment
  CAS-BOT-BC221608  Lepechinia fragrans A. Davidson No date on label 17 Los Angeles Wilsons Peak. Mt. Wilson, San Gabriel Mtns. Comment
  UC25892  Lepechinia fragrans Dr. A. Davidson Jun 1894 Los Angeles Trail to Mt. Wilson Tract, San Gabriel Mountains Comment
  UC25895  Lepechinia fragrans Anstruther Davidson Jun 1893 Los Angeles Trail to Mt Wilson, San Gabriel Mountains Comment
  RSA429964  Lepidium Anstruther Davidson s.n. Los Angeles Catalina [Island] Comment
  RSA429959  Lepidium dictyotum Anstruther Davidson 1927-05 s.n. San Bernardino Mojave Desert. Comment
  RSA429858  Lepidium flavum Anstruther Davidson 1910-4-24 2365 Inyo Haiwee. Comment
  SBBG25242  Lepidium flavum Leota Davidson 1966-2-19 131 a Kern Red Rock Cyn, N of Mojave Comment
  CAS-BOT-BC89473  Lepidium fremontii Christopher Davidson; B. Gustafson; D. Reynolds 1979-5-9 7830 San Bernardino State Highway 18 up Cushenbury Canyon, ca. 0.25 mile inside San Bernardino National Forest Boundary. 1463 Comment
  RSA429882  Lepidium fremontii Anstruther Davidson 1930-1 s.n. Kern [no locality information provided] Comment
  RSA429895  Lepidium fremontii Anstruther Davidson 1893-5-12 1857 Los Angeles Lancaster. Comment
  RSA429914  Lepidium fremontii Christopher Davidson 1973-4-19 1971 San Bernardino Joshua Tree National Monument, 5 miles E of Split Rock, 3 miles S of Park entrance 1188 Comment
  RSA429602  Lepidium lasiocarpum Christopher Davidson, Alan Romspert 1979-5-17 8012 Inyo Panamint Mountains, Johnson Canyon; Trail up the creek to Hungry Bill's. 1189 Comment
  RSA429922  Lepidium lasiocarpum Christopher Davidson 1973-4-19 1994 Riverside Joshua tree Natl. Monument, various sites along the road, 1-10 miles s of Joshua tree 1220 Comment
  RSA429941  Lepidium lasiocarpum Christopher Davidson 1973-4-19 1952 San Bernardino Joshua Tree National Monument, 5 miles E of Split Rock, 3 miles S of Park entrance 1188 Comment
  RSA429611  Lepidium lasiocarpum Anstruther Davidson 1893-4-10 s.n. Los Angeles Azusa. Comment
  UCR143433  Lepidium latipes Anstruther Davidson 1902-5-30 s.n. Los Angeles Southern Coast, Bixby Slough [=Harbor Lake/Harbor Park, near Long Beach] 8 Comment
  NY76249  Lepidium montanum var. cinereum C. Davidson 1977-5-28 5798 San Bernardino Keystone Spring, near head of Keystone Canyon, east side of New York Mountains 1828.8 Comment
  POM361764  Lepidospartum squamatum Anstruther Davidson 1889-09 s.n Los Angeles Los Angeles Comment
  POM352729  Leptochloa fusca subsp. uninervia Anstruther Davidson 1919-01 s.n. Los Angeles West Adams St. Los Angeles Comment
  POM352728  Leptochloa fusca subsp. uninervia Anstruther Davidson 1919-07 s.n. Los Angeles [Unspecified] Comment
  RSA468606  Leptosiphon aureus Christopher Davidson 1975-5-24 2546 Ventura Ca. 8 miles E of Ozena Station on Forest Service Road 9N03 1220 Comment
  RSA468615  Leptosiphon aureus Christopher Davidson 1975-6-29 2921 Kern San Emigdio Canyon, following old Mil Potrero Road, along San Emigdio Creek, Los Padres National Forest. 1677 Comment
  SBBG64602  Leptosiphon chrysanthus subsp. chrysanthus Anstruther Davidson -May-1926 Unknown Mojave Desert 853 Comment
  POM364526  Leptosiphon ciliatus Anstruther Davidson 1892-6-14 s.n. Los Angeles Wilson's Peak Comment
  POM364547  Leptosiphon ciliatus Anstruther Davidson 1908-07 1940 Tulare Sequoia National Forest. Comment
  POM364656  Leptosiphon nuttallii Christopher Davidson 1976-6-7 4274 Mono Inyo Nat. Forest. On dirt rd. 4S02 toward Lake Crowley, 0.3 mi. from junction with rd 2S01. 2348 Comment
  UCSB25987  Leptosiphon parviflorus Davidson, John 1947-4-19 Ventura North side of Pine Mt.; on US 399, 20.7 mi. south of the junction with State Highway 166 Comment
  RSA429771  Lesquerella kingii Christopher Davidson 1977-5-27 5760 a San Bernardino Trail up north side of Clark Mountain, departing from Colosseum Mine Rd ca. 2.6 mi south of junction with Powerline Rd. 1676 Comment
  UC160064  Lessingia glandulifera var. glandulifera A. Davidson, M. D. July 1911 2571 Kern Brown's Mohave Desert, Brown's Comment
  POM361826  Lessingia glandulifera var. glandulifera Christopher Davidson 1975-6-29 2909 Kern San Emigdio Canyon, following old Mil Potrero Road, along San Emigdio Creek, Los Padres National Forest. 1585 Comment
  POM361845  Leucelene ericoides Christopher Davidson 1976-5-23 4064 Inyo On Waucoba Rd., 1.6 mi E of Saline Valley junction. Off small dirt road to N, site overlooking Little Cowhorn Valley; 2256 Comment
  POM361847  Leucelene ericoides Christopher Davidson 1977-5-28 5812 San Bernardino Keystone Spg. toward head of Keystone Canyon, east side of New York Mts. 1829 Comment
  POM365946  Leucopoa kingii Christopher Davidson, Robert F. Thorne 1976-8-15 4724 San Bernardino San Bernardino Mts., Lower South Fork Meadow, San Gorgonio Wilderness Area. By trail, toward Poopout Hill. 2317 Comment
  RSA415971  Leucopoa kingii Anstruther Davidson 1911-7-19 2539 Inyo Bishop Creek Comment
  RSA464478  Lewisia rediviva var. minor Anstruther Davidson 1913-07 s.n. Inyo Andrews Camp, Bishop Creek Comment
  POM365326  Leymus condensatus Christopher Davidson 1973-5-30 2235 Santa Barbara On [CA] State Highway 154, near San Marcos Pass. Comment
  POM352209  Leymus triticoides Anstruther Davidson 1911-07 2528 Inyo Bishop Creek. 1524 Comment
  CAS-BOT-BC272244  Leymus triticoides A. Davidson 1890-1-1 s.n. Unknown S. California Comment
  POM352206  Leymus triticoides Anstruther Davidson 1890-1 s.n. Los Angeles Foothills. Comment
  RSA453849  Ligusticum apiifolium Christopher Davidson 1977-6-19 5959 Mendocino Haven s Neck, small peninsula on coast north of Anchor Bay. Comment
  RSA377132  Lilium humboldtii subsp. ocellatum Christopher Davidson, Larry E. DeBuhr 1976-6-26 4391 San Bernardino 10 miles WSW of Running Springs on State Highway 30 1159 Comment
  POM170258  Lilium parvum Charles Davidson 1885-07 s.n. Mariposa Mariposa Grove Comment
  RSA409971  Limonium californicum Anstruther Davidson 1892-07 s.n. Los Angeles Long Beach Comment
  UC52530  Linanthus aureus Dr. Davidson Los Angeles Los Angeles Comment
  RSA469958  Linanthus aureus Anstruther Davidson 1890-06 s.n. Los Angeles Los Angeles. Comment
  POM364620  Linanthus bigelovii Christopher Davidson 1973-4-1 1921 San Bernardino Off st. Hwy 62, toward yucca Valley, 6.2 miles east, above Morango Valley. 884 Comment
  POM364552  Linanthus demissus Anstruther Davidson 1922-4-23 3529 San Bernardino Needles. Comment
  RSA0016797  Linanthus dianthiflorus subsp. dianthiflorus Anstruther Davidson 1890-04 s.n. Los Angeles Foot hill, Los Angeles. Comment
  RSA469366  Linanthus filiformis Christopher Davidson 1973-3-9 1678 Inyo Death Valley Nat. Mon. Jubilee Pass on St 178. 402 Comment
  UC23760  Linanthus parryae A. Davidson May 1874 Los Angeles Harold Comment
  UCD118664  Linanthus parryae Eric Davidson 1973-4-13 s.n. Kern 8 miles northeast of California City. Comment
  RSA468511  Linanthus pungens Anstruther Davidson 1901-7-1 2641 Inyo Bishop Creek. Comment
  RSA468526  Linanthus pungens Anstruther Davidson 1928-4-15 114 Inyo Mountain Springs Grade. Comment
  RSA435734  Linum angustifolium Christopher Davidson 1973-5-19 2073 Mendocino E of Willits on dirt road off Hearst Rd (Hwy 20). This area to be developed. 762 Comment
  RSA435737  Linum usitatissimum Christopher Davidson 1973-4-6 1872 Los Angeles Tapia Park, Malibu Canyon. 244 Comment
  RSA468192  Lithophragma Anstruther Davidson 1908-07 1684 Tulare Sequoia National Park. Comment
  SCFS889  Lithophragma glabrum E. Davidson 1964-6-22 6226421 Nevada Sagehen Basin, 30 yd downstream from check dam on S side of stream 1951 Comment
  RSA192286  Lithophragma parviflorum C Davidson 1967-4-10 s.n. Mariposa 1 mile W of El Portal on State 140. By Merced River. 488 Comment
  RSA439328  Lobelia dunnii var. serrata Anstruther Davidson s.n. Mariposa Vernal Falls. Comment
  POM364835  Loeseliastrum matthewsii Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  POM364847  Loeseliastrum matthewsii Christopher Davidson, B. Gustafson, R. F. Thorne 1979-5-22 8120 San Bernardino Apple Valley ca. 1 mi. S of Hwy 18 on Grapevine Canyon Road 976 Comment
  RSA248667  Loeseliastrum matthewsii Christopher Davidson 1973-4-19 1945 San Bernardino Joshua Tree National Monument, 5 miles E of Split Rock, 3 miles S of Park entrance. 1188 Comment
  UC23708  Loeseliastrum matthewsii Dr. A. Davidson 1895-1 91 Los Angeles Lancaster Comment
  POM356960  Lolium perenne subsp. multiflorum Anstruther Davidson 1917-06 3184 Los Angeles Cienega Comment
  RSA356942  Lolium perenne subsp. multiflorum Anstruther Davidson 1917-05 3184 Los Angeles Los Angeles. Comment
  RSA452580  Lomatium bicolor var. leptocarpum Christopher Davidson 1975-6-4 2598 Modoc 0.4 miles E of Hwy 395 on Hwy 299 toward Cedarville. 1380 Comment
  RSA452565  Lomatium californicum Christopher Davidson 1975-6-22 2852 Ventura 2 miles S of Chuchupate Forest Station on road 8N04 to Frazier Mountain 1509 Comment
  RSA452575  Lomatium foeniculaceum subsp. fimbriatum Christopher Davidson 1976-6-5 4243 Inyo Inyo Mts., Waucoba-Death Valley Rd., 24.3 mi W of junction to Eureka Dune. 1921 Comment
  RSA452142  Lomatium macrocarpum Christopher Davidson 1975-6-4 2606 Modoc 2.2 miles east of Highway 395 on highway 299 towards Cedarville 1494 Comment
  JEPS17030  Lomatium mohavense Dr. A. Davidson 1895-1 Los Angeles Antelope Valley Comment
  RSA452104  Lomatium mohavense Anstruther Davidson 1907-1 s.n. Los Angeles By rock Creek Comment
  RSA452105  Lomatium mohavense Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  RSA675844  Lomatium mohavense subsp. mohavense Christopher Davidson, B. Gustafson, Don A. Reynolds 1979-5-9 7888 San Bernardino Apple Valley. St Hwy 18, 1.8 mi E of jct with Bear Valley Cutoff. 944 Comment
  RSA675845  Lomatium mohavense subsp. mohavense Christopher Davidson, B. Gustafson, Don A. Reynolds 1979-5-9 7857 San Bernardino St Highway 18 up Cushenbury Canyon, ca. 1.7 miles inside San Bernardino Nat l Forest boundary; Dirt rd NE. 1524 Comment
  RSA452107  Lomatium mohavense subsp. mohavense Anstruther Davidson 1910-5-24 s.n. Inyo Haiwee Comment
  RSA452118  Lomatium nevadense Christopher Davidson 1976-6-8 4337 Inyo Death Valley Nat. Mon. Road to Mahogany Flat. Opposite the charcoal kilns. 1982 Comment
  RSA452119  Lomatium nevadense var. parishii Anstruther Davidson 1907-6-12 s.n. Kern Tehachapi E of Town. Comment
  RSA452582  Lomatium nudicaule Christopher Davidson 1973-5-26 2138 Modoc Highway 299 N of Adin Summit 1524 Comment
  RSA452154  Lomatium vaginatum Anstruther Davidson 1895-5-5 s.n. Los Angeles Antelope Valley Comment
  RSA452600  Lomatium vaginatum Christopher Davidson 1975-6-4 2601 Modoc 0.4 miles E of Hwy 395 on Hwy 299 toward Cedarville. 1380 Comment
  RSA455170  Lonicera hispidula var. vacillans Anstruther Davidson 1893-8-22 s.n. Los Angeles Santa Catalina Island. Comment
  RSA455370  Lonicera subspicata var. denudata Anstruther Davidson 1891-06 s.n. Los Angeles Glendale. Comment
  RSA406427  Lotus Anstruther Davidson 1925-05 s.n. San Diego Laguna Mountains Comment
  RSA406410  Lotus Anstruther Davidson 1923-6-1 s.n. Los Angeles Los Angeles County Comment
  RSA406745  Lotus argophyllus var. argophyllus Anstruther Davidson 1892-6-12 s.n. Los Angeles Wilson Peak. San Gabriel Mountains Comment
  NY802381  Lotus argyraeus var. multicaulis C. Davidson 1977-5-29 5844 San Bernardino Caruthers Canyon, south end of New York Mountains 1768 Comment
  RSA406116  Lotus crassifolius Christopher Davidson 1975-6-22 2851 Ventura 2 mi S of Chuchupate For. Sta. on rd 8N04 to Frazier Mtn. 1509 Comment
  RSA406094  Lotus crassifolius var. crassifolius Anstruther Davidson 1893-7-4 s.n. Los Angeles Big Rock. Comment
  UC15715 Image available Lotus davidsonii Dr. A. Davidson 1892-8-1 Los Angeles Wilsons Peak; ; Wilson's Peak, Los Angeles Co. Comment
  RSA406922  Lotus dendroideus var. dendroideus Anstruther Davidson 1891-06 s.n. Los Angeles Catalina Island. Comment
  RSA406130  Lotus grandiflorus var. grandiflorus Anstruther Davidson 1898-7-5 s.n. Kern Tehachapi. Comment
  RSA406155  Lotus hamatus Anstruther Davidson 1891-6-26 s.n. Los Angeles Santa Catalina Island Comment
  RSA0003341  Lotus humistratus Anstruther Davidson 1893-5-12 s.n. Los Angeles Harold. Comment
  RSA406121  Lotus nevadensis var. davidsonii Anstruther Davidson 1898-7-8 s.n Los Angeles Rock Creek Comment
  RSA406214  Lotus oblongifolius Anstruther Davidson 1892-5-3 s.n. Los Angeles Devil's Gate, Pasadena Comment
  RSA406215  Lotus oblongifolius Anstruther Davidson 1890-09 s.n. Los Angeles Los Angeles Comment
  RSA406793  Lotus rigidus Anstruther Davidson 1895-04 s.n. Riverside Palm Springs; Colorado Desert. Comment
  RSA406831  Lotus salsuginosus var. brevivexillus Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  RSA406472  Lotus salsuginosus var. salsuginosus Anstruther Davidson 1902-5-4 1341 Los Angeles San Gabriel Canyon Comment
  RSA406820  Lotus salsuginosus var. salsuginosus Anstruther Davidson 1890-04 s.n. Los Angeles Los Angeles. Comment
  RSA406304  Lotus strigosus Anstruther Davidson 1906-6-1 1504 Los Angeles Big Rock Creek. Comment
  RSA406305  Lotus strigosus Anstruther Davidson 1894-04 s.n. Los Angeles Elysian Park, Los Angeles Comment
  RSA406381  Lotus strigosus Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-28 7777 Imperial Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob. 79 Comment
  RSA568562  Lupinus Christopher Davidson 1979-4-4 7678 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  RSA568836  Lupinus Christopher Davidson 1979-4-4 7678 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  RSA519410  Lupinus Anstruther Davidson 1913-08 2877 Inyo Lake Sabrina. 2744 Comment
  RSA414443  Lupinus adsurgens Christopher Davidson 1975-6-22 2857 Ventura 3.9 mi S of Chuchupate For. Sta. on rd 8N04 to Frazier Mtn. 1509 Comment
  SEINET2444138  Lupinus albifrons C. Davidson 2010-4-4 11729 Santa Barbara Tepusquet Rd., 27.4 mi from junction of Foxen Canyon Rd with Tepusquet Rd. 473 Comment
  UCD105906  Lupinus albifrons Eric Davidson 1971-6-26 315 Santa Barbara Jalama Beach Road. 30 Comment
  RSA407029  Lupinus andersonii Christopher Davidson 1975-7-13 3000 Ventura 2.8 miles W of McGill Campground on road to Pine Mtn. summit. 2401 Comment
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Mar 11 2014
  UCD106599  Lupinus arboreus Eric Davidson 1971-6-22 311 Ventura just south of Power Plant Road at end of Gonzales Avenue, Oxnard. Comment
  UCD106601  Lupinus arboreus Eric Davidson 1971-6-25 313 Santa Barbara University of California at Santa Barbara, Goleta. Comment
  UCD106612  Lupinus arboreus Eric Davidson 1971-6-27 329 Monterey ca. 2 miles northeast of Elkhorn. Comment
  UCD106603  Lupinus arboreus Eric Davidson 1971-6-26 321 San Luis Obispo San Luis Obispo County: 3 miles south of Ceano. Comment
  UCD106610  Lupinus arboreus Eric Davidson 1971-6-26 327 San Luis Obispo San Luis Obispo County: just north of Pacific Valley ranger station, State Highway 1. Comment
  POM349932  Lupinus arboreus var. arboreus Christopher Davidson 1973-5-31 2226 Santa Cruz Ca. 30 miles north of Santa Cruz on State Highway 1 Comment
  RSA407110  Lupinus caudatus Christopher Davidson 1973-5-24 2098 Modoc South of Alturas on County Road 63 off Highway 395, near Likely. 1311 Comment
  RSA407125  Lupinus chamissonis Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  RSA413477  Lupinus concinnus subsp. concinnus Christopher Davidson, B. Gustafson, Robert F. Thorne 1979-5-22 8108 San Bernardino San Bernardino Mts. Grapevine Canyon. 5.9 mi S of Hwy 18 on Grapevine Canyon rd. 1524 Comment
  RSA407148  Lupinus concinnus subsp. optatus Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  RSA413510  Lupinus confertus Anstruther Davidson 1901-07 2275 San Bernardino Bear Valley, San Bernardino Mountains. Comment
  SBBG54333  Lupinus excubitus C. Davidson 1977-5-25 5656 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
  RSA413570  Lupinus excubitus var. austromontanus Christopher Davidson 1977-5-18 5619 Riverside Santa Ana Mts, Cleveland National Forest, Bear Springs. 1220 Comment
  RSA413572  Lupinus excubitus var. austromontanus Christopher Davidson 1975-6-16 2815 Riverside 3.8 mi. N of Alandale Station on road R1 from Idyllwild to Banning. 1700 Comment
  RSA413768  Lupinus excubitus var. austromontanus Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
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Nov 29 2010
  HSC46431  Lupinus excubitus var. hallii Christopher Davidson 1977-5-25 5656 Riverside Mesa de Burro, Santa Rosa Plateau area of the Santa Ana Mtns. 701 Comment
  RSA413618  Lupinus flavoculatus Christopher Davidson 1976-6-4 4190 Inyo On Harkless Flat Rd., 3.9 mi S of junction with Waucoba Rd. 2165 Comment
  RSA413655  Lupinus formosus var. formosus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  RSA413696  Lupinus hirsutissimus Christopher Davidson 1973-4-1 1793 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  RSA519403  Lupinus latifolius Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  UCD108242  Lupinus lepidus var. confertus Eric Davidson 1973-7-7 s.n. Mono 1 mile south of Bodie. 2225 Comment
  RSA413796  Lupinus meionanthus Christopher Davidson 1976-6-7 4273 Mono On dirt rd. 2S01 (rd to Lake Crowley), 0.4 mi from junction with rd 3S53 (Head of Moran Spring Flat). 2165 Comment
  RSA413538  Lupinus microcarpus var. densiflorus Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  RSA414431  Lupinus polycarpus Christopher Davidson 1977-6-19 5986 Mendocino 2.2 miles east of Gualala on County Road 502; bridge over Gualala River. 15 Comment
  SEINET10490184  Lupinus polyphyllus subsp. bernardinus Christopher Davidson, Robert F. Thorne 1976-8-15 Davidson 4688 San Bernardino San bernardino mtns. Upper south fork meadow, san gorgonio wilderness area. Grassy montane meadow in mixed conifer forest, mostly pinus jeffreyi, p. Murrayana, and abies concolor. Association with salix lasiolepis, lupinus Latifolius, veratrum californicum, artemisia ludovician, ribes cereum, senecio Triangularis. 2560 Comment
  SCFS947  Lupinus polyphyllus var. burkei E. Davidson 1964-6-20 620644 Nevada Sagehen Basin, Sm floating bog ca. 50 yds S of station 1951 Comment
  RSA414236  Lupinus pratensis Anstruther Davidson 1911-07 2668 Inyo Andrews Camp. Bishop Creek [Now Bishop]. Comment
  UC172340  Lupinus pratensis A. Davidson, M. D. 1913-8-1 2880 Inyo Lake Sabrina Comment
  SBBG98276  Lupinus shockleyi Anstruther Davidson 1910-4-25 Inyo Haiwee Comment
  RSA414248  Lupinus shockleyi Christopher Davidson 1973-4-7 1909 Los Angeles Lucerne Valley, 33 miles from Apple Valley. 854 Comment
  RSA414262  Lupinus sparsiflorus subsp. sparsiflorus Anstruther Davidson 1890-04 s.n. Los Angeles Near Burbank Comment
  RSA414285  Lupinus sparsiflorus subsp. sparsiflorus Christopher Davidson, Robert Gustafson, Robert F. Thorne 1979-5-22 8052 San Bernardino Toward Apple Valley, near jct of Flicker and Oriole Rds, off Grapevine Rd. 1136 Comment
  RSA414249  Lupinus sparsiflorus var. inopinatus Anstruther Davidson 1925-5-1 s.n. San Diego Chula Vista Comment
  RSA414313  Lupinus succulentus Anstruther Davidson 1890-03 s.n. Los Angeles Los Angeles - Foothills. Comment
  RSA414363  Lupinus truncatus Anstruther Davidson 1894-04 s.n. Los Angeles Catalina Island Comment
  UCD109666  Lupinus variicolor Eric Davidson 1971-7-2 341 Del Norte on Fort Dick Road north of Crescent City. Comment
  RSA368897  Luzula comosa var. laxa Christopher Davidson 1976-6-26 4446 San Bernardino E end of Bluff Lake, along a small forest runoff channel 2-3 ft. deep. (Off rd 2N10). 2256 Comment
  RSA368908  Luzula divaricata Anstruther Davidson 1908-07 2113 Tulare Sequoia National Park Comment
  HSC66560  Lycium cooperi Christopher Davidson, B. Gustafson, D. A. Reynolds 1979-5-9 7896 San Bernardino Apple Valley, State Hwy. 18, 1.8 mi. E of Jct. with Bear Valley Cutoff 945 Comment
  RSA428850  Lycium cooperi Christopher Davidson, B. Gustafson, D. A. Reynolds 1979-5-9 7896 -a San Bernardino Apple Valley. St Hwy 18, 1.8 mi E of jct with Bear Valley Cutoff. 945 Comment
  RSA435265  Lythrum californicum Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  POM362018  Machaeranthera canescens Anstruther Davidson 1911-07 2565 Inyo Andrews Camp. Bishop Creek [Now Bishop]. Comment
  POM362023  Machaeranthera canescens Christopher Davidson 1976-9-16 4757 Kern Road 8 N18, branching N of paved road to Pine Mtn summit, 12.6 miles N of Frazier Park Junction. 2332 Comment
  POM362030  Machaeranthera canescens Christopher Davidson 1975-8-30 3221 San Bernardino San Bernardino Mts., S of big Bear Lake on rd 2N10, 4.2 mi E of junction to Clark's Ranch. 2363 Comment
  RSA263953  Machaeranthera canescens Christopher Davidson, R. F. Thorne 1976-8-14 4499 San Bernardino Fish Cr., on Forest Service Rd 1N05, S of Heart Bar St. Park. 1981 Comment
  RSA417685  Machaeranthera carnosa Anstruther Davidson 1928-9-23 s.n. Inyo Lone Pine Comment
  CAS-BOT-BC344382  Madia exigua Dr. A. Davidson 1891-1-1 s.n. Los Angeles Los Angeles Comment
  RSA433283  Malacothamnus davidsonii Anstruther Davidson 1920-05 s.n. Los Angeles Pacoima Comment
  RSA434854  Malacothamnus fremontii Anstruther Davidson 1920-6-1 3369 Los Angeles Acton Road. Comment
  POM362266  Malacothrix clevelandii Anstruther Davidson 1892-05 s.n. Riverside Banning Comment
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Mar 13 2011
  POM362278  Malacothrix coulteri Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster Comment
  POM362269  Malacothrix coulteri Anstruther Davidson 1910-4-25 2411 Inyo Haiwee Comment
  POM362296  Malacothrix glabrata Anstruther Davidson 1930-1 s.n. Inyo Bishop Creek. Comment
  RSA451799  Malus fusca Anstruther Davidson 1927-5-28 s.n. Del Norte Redwood Highway. Comment
  RSA434876  Malva nicaeensis Anstruther Davidson 1919-06 3318 Los Angeles Temple and Bonnie Brae, Los Angeles Comment
  RSA433881  Malvella leprosa Anstruther Davidson 1889-07 s.n. Los Angeles Temple Comment
  RSA440990  Marah macrocarpa Anstruther Davidson s.n. Los Angeles Foothill, Los Angeles Comment
  UCR168404  Melica imperfecta Christopher Davidson, Larry E. DeBuhr 1976-6-26 4397 San Bernardino San Bernardino Mountains, 10 miles WSW of Running Springs on State Hwy 30 1159 Comment
  UCR168430  Melica imperfecta Christopher Davidson, R. F. Thorne, Robert Gustafson, et al. 1979-5-22 8088 San Bernardino Transverse Ranges; San Bernardino Mountains, Grapevine Canyon. North desert slope. 7.0 miles south of Highway 18 on Grapevine Canyon Road 1677 Comment
  RSA403508  Melica stricta Anstruther Davidson 1911-07 2533 Inyo Bishop Creek. 1524 Comment
  RSA403515  Melica stricta Christopher Davidson, B. Gustafson, Robert F. Thorne, et al. 1979-5-22 8090 San Bernardino San Bernardino Mountains: Grapevine Canyon. North desert slope. 7.0 miles S of Highway 18 on Grapevine Canyon Road. 1677 Comment
  RSA403517  Melica stricta Anstruther Davidson 1908-07 2103 Tulare Sequoia National Park Comment
  POM348152  Melilotus albus Anstruther Davidson 1992-05 1807 Los Angeles River Bank, Elgin Park Comment
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Aug 11 2012
  POM348173  Melilotus albus Christopher Davidson 1977-6-17 5877 Sonoma State Highway 12 ca. 3 miles west of Guerneville, along Russian River 15 Comment
  RSA462109  Menodora spinescens Christopher Davidson 1976-6-4 4174 Inyo Waucoba road, 11.7 miles E of Jct with Westgard road. 1890 Comment
  RSA440350  Mentzelia affinis Anstruther Davidson 1912-05 2805 Los Angeles Van Nuys Comment
  RSA440352  Mentzelia affinis Anstruther Davidson 1912-05 2805 Los Angeles Van Nuys Comment
  RSA440347  Mentzelia affinis Anstruther Davidson 1915-7-1 3071 Los Angeles Chatsworth Comment
  RSA440363  Mentzelia albicaulis Anstruther Davidson 1910-4-24 2352 Kern Searles, Kern County Comment
  RSA440365A  Mentzelia albicaulis Anstruther Davidson 1906-07 2791 Los Angeles Rock Creek Comment
  RSA440371  Mentzelia albicaulis Christopher Davidson, Robert Gustafson, Don Reynolds 1979-5-9 7885 San Bernardino Apple Valley. St Hwy 18, 1.8 mi E of jct with Bear Valley Cutoff. 945 Comment
  RSA440386  Mentzelia congesta Christopher Davidson 1978-6-24 7363 Ventura Dirt road to Mt Pinos summit and condor observation site, beyond the public parking area, just below the fork in the road. 2591 Comment
  UCR137150  Mentzelia congesta Anstruther Davidson, H. E. Hasse 1907-6-12 s.n. Kern Tehachapi Mountains 1829 Comment
  SBBG49253  Mentzelia congesta Leota Davidson 1965-5-9 115 Los Angeles few mi along side of rd E of Littlerock Comment
  RSA446851  Mentzelia dispersa Anstruther Davidson 1892-6-12 s.n. Los Angeles Mt. Wilson. San Gabriel Mountains Comment
  RSA440409  Mentzelia involucrata Christopher Davidson 1979-4-4 7709 Riverside Orocopia Mountains: Box Canyon on Box Canyon Road, 5.9 miles E of Mecca 305 Comment
  RSA440415  Mentzelia involucrata Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  RSA440443  Mentzelia jonesii Christopher Davidson 1979-4-4 7720 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  RSA440465  Mentzelia laevicaulis Anstruther Davidson 1911-07 2817 Inyo Andrews Camp. Bishop Creek [Now Bishop]. Comment
  RSA440467  Mentzelia laevicaulis Anstruther Davidson 1921-01 3507 Los Angeles La Liebre, Mohave Desert. Comment
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Jun 26 2012
  SBBG45107  Mentzelia laevicaulis Leota Davidson 1966-10-3 80 A Fresno rd along Pine Flat Reservoir Comment
  SD99406  Mentzelia leucophylla Christopher Davidson 1977-5-28 5742 San Bernardino North side of Clark Mountain, along Powerline Road, vicinity of Keany Pass. 1387 Comment
  RSA446801  Mentzelia montana Anstruther Davidson 1901-07 2315 San Bernardino Bear Valley, San Bernardino Mountains. Comment
  RSA446803  Mentzelia montana Anstruther Davidson 1901-07 2229 San Bernardino Bear Valley, San Bernardino Mountains. Comment
  UCR139480  Mentzelia montana Anstruther Davidson, H. E. Hasse 1906-6-1 1626 Los Angeles San Gabriel Mtns./Mojave Desert, Big Rock Creek 1982 Comment
  RSA0036181  Mentzelia montana Christopher Davidson, B. Gustafson, R. F. Thorne 1979-5-22 8077 San Bernardino San Bernardino Mts. Grapevine Canyon. 7.0 mi S of Hwy 18 on Grapevine Canyon Rd. 1676 Comment
  RSA446796  Mentzelia montana Anstruther Davidson 1904-06 2798 Los Angeles San Gabriel Mountains: Mt. Wilson. Comment
  RSA446812  Mentzelia montana Anstruther Davidson 1907-6-14 1756 Kern Tehachapi, east of town Comment
  RSA446824  Mentzelia obscura Christopher Davidson 1976-6-5 4226 Inyo On jeep track into the Last Chance Mts, departing from Eureka Dune Rd. 3.4 mi S of its junction with Waucoba-Death Valley Rd. 1037 Comment
  RSA446825  Mentzelia obscura Christopher Davidson 1973-3-9 1692 Inyo Death Valley Nat. Mon. Jubilee Pass on St 178. 402 Comment
  RSA440365B  Mentzelia veatchiana Anstruther Davidson 1906-07 2791 Los Angeles Rock Creek Comment
  RSA446885  Mentzelia veatchiana Anstruther Davidson 1920-06 s.n. Los Angeles Acton. Comment
  RSA402604  Mesembryanthemum crystallinum Anstruther Davidson 1891-6-14 s.n. Los Angeles Nigger Slough . [locality name change to Laguna Dominguez ] Comment
  RSA393760  Micropus californicus Anstruther Davidson 1892-05 s.n. Los Angeles Los Angeles. Comment
  POM363440  Microseris heterocarpa Anstruther Davidson 1905-5-1 1433 Los Angeles Hollywood Comment
  POM363466  Microseris lindleyi Anstruther Davidson 1890-5-1 s.n. Ventura Hopper Canyon. Comment
  RSA416459  Microseris lindleyi Anstruther Davidson 1926-05 s.n. Ventura Santa Susana Pass. Comment
  RSA0042537  Microseris lindleyi Anstruther Davidson 1925-5-1 San Diego Ro. to Portero. Comment
  RSA442711  Mimulus aurantiacus var. puniceus Christopher Davidson 1976-3-27 3898 San Diego On highway S16, 2.4 mi S of San Diego Co. line (SE of Temecula). 335 Comment
  RSA408056  Mimulus bigelovii var. bigelovii Christopher Davidson 1979-4-4 7725 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  RSA420961  Mimulus bigelovii var. bigelovii Christopher Davidson, B. Gustafson, D. Reynolds 1979-5-9 7839 San Bernardino St Highway 18 up Cushenbury Canyon, ca. 1/4 mi inside San Bernardino Nat'l Forest boundary. 1418 Comment
  RSA420963  Mimulus bigelovii var. bigelovii Anstruther Davidson 1903-5-1 1178 Riverside Working Canyon Comment
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May 28 2010
  RSA408154  Mimulus breweri Christopher Davidson 1978-6-24 7370 Ventura Dirt road to Mt Pinos summit and condor observation site, beyond the public parking area, just below the fork in the road. 2591 Comment
  RSA408155  Mimulus breweri Christopher Davidson 1975-8-16 3127 San Bernardino E end of Bluff Lake on drying grassland margins of small forest runnoff channel. 2317 Comment
  RSA408065  Mimulus constrictus Christopher Davidson 1975-6-22 2839 Ventura 2 mi S of Chuchupate For. Sta. on rd 8N04 to Frazier Mtn. 1509 Comment
  RSA420973  Mimulus constrictus Christopher Davidson 1907-06 1689 Kern Tehachapi Mts. Comment
  RSA430182  Mimulus diffusus Anstruther Davidson 1925-5-1 s.n. San Diego Pine Valley, Palomar Mts. Comment
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Dec 3 2014
  RSA435514  Mimulus floribundus Christopher Davidson 1976-6-26 4424 -b San Bernardino Green Valley Road, 1.4 miles from junction with Highway 18; 1966 Comment
  RSA408119  Mimulus fremontii Christopher Davidson 1975-5-24 2550 Ventura Ca. 8 miles E of Ozena Station on Forest Service Road 9N03 1220 Comment
  HSC46685  Mimulus guttatus Christopher Davidson 1977-6-18 5904 Mendocino Piper Ranch. Off Mountain View Rd. (N of Point Arena), several mi. NW of ranch buildings 305 Comment
  RSA454350  Mimulus guttatus Christopher Davidson 1977-6-18 5904 Mendocino Piper Ranch. Off Mountain View Rd. (N of Pt. Arena), near Birch Creek, several mi. NW of ranch buildings. 305 Comment
  SCFS470  Mimulus guttatus E. Davidson 1964-6-22 622649 Nevada Sagehen Basin, 30' S of obsv. tank by stream 1951 Comment
  RSA442788  Mimulus guttatus Christopher Davidson 1974-6-23 2358 Mono Inyo National Forest, St. Hwy 120, ca. 5 mi E of Tioga Pass. 2591 Comment
  RSA454352  Mimulus guttatus Christopher Davidson 1977-6-18 5915 Mendocino Signal Ridge Rd, 1.8 mi. W of Hwy 128. 335 Comment
  RSA408031  Mimulus johnstonii Christopher Davidson, Gustafson, Thorne 1979-5-22 8105 San Bernardino San Bernardino Mts. Grapevine Canyon. North desert slope. 6.5 mi S of Hwy 18 on Grapevine Canyon Rd. 1610 Comment
  RSA421061  Mimulus johnstonii Anstruther Davidson 1893-8-20 s.n. Los Angeles Wilson's Peak Comment
  RSA420937  Mimulus layneae Christopher Davidson 1975-6-4 2637 Shasta Hwy 89, 10 mi N of jct with Hwy 299. 915 Comment
  RSA454326  Mimulus lewisii Anstruther Davidson s.n. Tuolumne Gerardia. Yosemite [Tuolumne, Mariposa, or Madera County]. Comment
  RSA430175  Mimulus montioides Anstruther Davidson 1908-07 s.n. Tulare Sequoia National Forest. Comment
  RSA430189A  Mimulus montioides Christopher Davidson 1976-5-22 3999 Inyo On Waucoba Rd., ca. 22.4 miles E of junction with Westgard Rd., toward Eureka Valley. 1723 Comment
  RSA447979  Mimulus moschatus var. sessilifolius Anstruther Davidson 1889-05 s.n. Los Angeles Glendale. Comment
  RSA422232  Mimulus nanus var. nanus Christopher Davidson 1975-6-7 2764 Lassen 1 mi E of Beckwourth Pass on Hwy 70. 1524 Comment
  RSA430210B  Mimulus parishii Anstruther Davidson 1892-07 s.n. Los Angeles Acton Comment
  RSA408075  Mimulus parryi Christopher Davidson 1976-5-22 3998 Inyo On Waucoba Rd., ca. 22.4 miles E of junction with Westgard Rd., toward Eureka Valley. 1723 Comment
  POM430191  Mimulus suksdorfii Christopher Davidson 1978-6-24 7372 Ventura Dirt road to Mt Pinos summit and condor observation site, beyond the public parking area, just below the fork in the road. 2591 Comment
  HSC66623  Minuartia douglasii Christopher Davidson 1978-6-18 7347 San Bernardino San Bernardino Mountains, Baldwin Lake, 0.3 mile E of Big Bear City. 2043 Comment
  RSA423561  Minuartia douglasii Christopher Davidson 1973-5-28 2192 Trinity E of Burnt Ranch on Hwy 299, Trinity River Canyon, Trinity National Forest. 305 Comment
  RSA464245  Mirabilis laevis var. crassifolia Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  RSA464250  Mirabilis laevis var. crassifolia Anstruther Davidson 1927-05 s.n. Riverside Colorado Desert. Comment
  RSA464244  Mirabilis laevis var. retrorsa Christopher Davidson 1980-4-4 9939 Riverside Orocopia Mts. West end of the mountains in a small canyon and wash almost due south of Oro Peak. 518 Comment
  RSA464261  Mirabilis laevis var. villosa Christopher Davidson, R. Reynolds 1979-5-9 7860 San Bernardino St Highway 18 up Cushenbury Canyon, ca. 1.7 miles inside San Bernardino Nat l Forest boundary; Dirt rd NE. 1524 Comment
  SCFS848  Mitella breweri E. Davidson 1964-7-12 7126414 Nevada Sagehen Basin, Ca. 1 mi SW of station on S ridge, at edge of hanging bog 1981 Comment
  RSA408737  Mohavea breviflora Christopher Davidson 1973-3-9 1651 Inyo Death Valley Nat'l Monument, Furnace Creek Wash, 1 miles SE of Furnace Creek Inn on Hwy 190 46 Comment
  RSA408752  Mohavea breviflora Christopher Davidson, Alan Romspert 1979-5-17 7960 Inyo Panamint Mts. Johnson Canyon. Various points along the road up Johnson Canyon wash. Ca. 7.4 mi from the junction. 869 Comment
  UC7705  Mollugo verticillata A. Davidson Sept 1893 Los Angeles Garvanza; Los Angeles Comment
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Nov 25 2011
  CAS-BOT-BC435029  Mollugo verticillata Dr. A. Davidson 1893-8-13 s.n. Los Angeles Garvanza Comment
  RSA408580  Monardella exilis Anstruther Davidson 1926-5-26 s.n. Los Angeles Mojave. Comment
  SBBG71986  Monardella exilis Anstruther Davidson -May-1893 Los Angeles Lancaster Comment
  RSA0074170  Monardella exilis Anstruther Davidson 1892-5-13 s.n. Los Angeles Lancaster. Comment
  SBBG25180  Monardella lanceolata Leota Davidson 1965-7-4 168 Santa Barbara near Davy Brown Camp Comment
  RSA401580  Monardella lanceolata var. lanceolata Christopher Davidson 1975-6-29 2906 Kern San Emigdio Canyon, following old Mil Potrero Road, along San Emigdio Creek, Los Padres National Forest. Los Padres National Forest. 1677 Comment
  RSA408594  Monardella lanceolata var. lanceolata Anstruther Davidson 1929-5-1 s.n. Los Angeles Tujunga. 854 Comment
  CAS-BOT-BC215620  Monardella linoides subsp. erecta Dr. A. Davidson 1893-7-1 s.n. San Bernardino Rock Creek, mountains bordering the Mojave Desert Comment
  RSA263623  Monardella linoides subsp. erecta Christopher Davidson, Robert F. Thorne 1976-8-14 4563 San Bernardino San Bernardino Mts. Fish Creek Meadows, at the end of Forest Service Rd 1N05 2439 Comment
  RSA401602  Monardella linoides subsp. stricta Anstruther Davidson 1893-7-4 1871 Los Angeles Big Rock Creek. Comment
  RSA401665B  Monardella odoratissima subsp. pallida Anstruther Davidson 1911-07 2544 Inyo Andrews Camp. Bishop Creek [Now Bishop]. Comment
  RSA408689  Monardella odoratissima subsp. pallida Christopher Davidson 1974-7-24 2488 Lassen Ca. 4 mi W of Janesville on rd to Antelope Valley. 2134 Comment
  RSA408691  Monardella villosa Christopher Davidson 1965-7-5 193 Marin 3 miles S of Stinson Beach on State Highway 1 30 Comment
  CAS-BOT-BC349694  Monoptilon bellidiforme Dr. A. Davidson 1926-5-1 s.n. Unknown Mohave Desert Comment
  POM363561  Monoptilon bellidiforme Christopher Davidson 1973-4-7 1907 Los Angeles Lucerne Valley, 33 miles from Apple Valley. 854 Comment
  SD99365  Morella californica Christopher Davidson 1977-6-17 5887 Sonoma Coast Highway 1, ca. 3.0 miles north of Jenner. Comment
  RSA403594  Muhlenbergia asperifolia Anstruther Davidson 1889-07 s.n. Los Angeles Riverside. Los Angeles. Comment
  UC53718  Muhlenbergia filiformis Dr. A. Davidson Dec. 1896 San Bernardino Bear Valley Comment
  RSA403575  Muhlenbergia microsperma Anstruther Davidson 1890-05 s.n. Los Angeles [no locality information provided] Comment
  HSC46443  Muhlenbergia richardsonis Christopher Davidson, R. F. Thorne 1976-8-14 4564 San Bernardino San Bernardino Mountains, Fish Creek, on Forest Service Road 1N05, S of Heart Bar St. Park. 2439 Comment
  RSA263640  Muhlenbergia richardsonis Christopher Davidson 1976-8-14 4564 San Bernardino Fish Creek Meadows, at the end of Forest Service Road 1N05, S of Heart Bar State Park 2439 Comment
  RSA263951  Muhlenbergia richardsonis Christopher Davidson, Robert F. Thorne 1976-8-15 4655 San Bernardino Upper South Fork Meadow, San Gorgonio Wilderness Area. 2439 Comment
  RSA403602  Muhlenbergia richardsonis Christopher Davidson, Robert Thorne 1976-8-15 4686 San Bernardino Upper South Fork Meadow, San Gorgonio Wilderness Area. 2439 Comment
  RSA403611  Muhlenbergia richardsonis Anstruther Davidson 1907-07 2196 San Bernardino San Bernardino Mountains Comment
  CAS-BOT-BC515094  Muilla maritima Dr. A. Davidson 1891-1-1 s.n. Los Angeles Los Angeles Comment
  UC119707 Image available Muilla serotina Dr. A. Davidson 1890-1 2052 Los Angeles near Los Angeles; ; near Los Angeles Comment
  RSA461913  Myrica californica Christopher Davidson 1977-6-17 5887 Sonoma Coast Highway 1, ca. three miles north of Jenner. Comment
  SD9566  Myriopteris cooperae Alvah Davidson Sep 1890 Ventura Ventura Comment
  RSA378631  Najas marina Anstruther Davidson 1923-5-1 s.n. San Diego Sweetwater basin [Reservoir?] Comment
  RSA421091  Nama californica Anstruther Davidson 1907-1 s.n. Los Angeles Antelope Valley Comment
  UC24131  Nama californica Dr. A. Davidson May, 1895 Los Angeles Lancaster Comment
  RSA421110  Nama demissa Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  RSA421112  Nama demissa Christopher Davidson 1979-4-4 7693 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  RSA484133  Nassella cernua Anstruther Davidson 1920-06 s.n. Los Angeles Acton. Comment
  UC60249  Nassella cernua Dr. A. Davidson Los Angeles Pasadena Comment
  RSA484115  Nassella lepida Anstruther Davidson 1917-06 s.n. Los Angeles Crescenta. Comment
  GH361624  Nassella pulchra A. Davidson 1917-04-01 - 1917-05-01 3222 Unknown Los Angeles, Coronado St. Comment
  SBBG54314  Nassella pulchra C. Davidson 1977-5-25 5649 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
  RSA431566  Nasturtium officinale Christopher Davidson 1977-5-26 5693 San Bernardino Clark Mtn. at Pachalka Spg 1494 Comment
  RSA469831  Navarretia atractyloides Anstruther Davidson 1891-6-26 s.n. Los Angeles Santa Catalina Island Comment
  RSA469859  Navarretia breweri Anstruther Davidson 1913-07 2897 Inyo South Lake, Bishop Creek. Comment
  RSA469877  Navarretia fossalis Christopher Davidson 1977-5-25 5651 Riverside Mesa de Burro, Santa Rosa Plateau area 701 Comment
  SBBG54315  Navarretia intertexta C. Davidson 1977-5-25 5651 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
  RSA464360  Nemacaulis denudata var. gracilis Anstruther Davidson 1893-04 s.n. Riverside Palm Springs. Comment
  RSA439287  Nemacladus rubescens Anstruther Davidson 1910-4-26 2422 Inyo Little Lake. Comment
  RSA439296A  Nemacladus rubescens Anstruther Davidson 1910-4-24 2385 Inyo Haiwee. Comment
  RSA439296B  Nemacladus sigmoideus Anstruther Davidson 1910-4-24 2385 Inyo Haiwee. Comment
  HSC66184  Nicolletia occidentalis Christopher Davidson, B. Gustafson, R. F. Thorne, et al. 1979-5-22 8118 San Bernardino Apple Valley. Ca. 1 mi. S of Hwy. 18 on Grapevine Canyon Rd. 976 Comment
  UCR137163  Nicotiana attenuata Christopher Davidson, Robert Gustafson, R. F. Thorne 1979-5-22 8140 San Bernardino San Bernardino Mtns., Arrastre Cr., c. 5 mi [SE] of Hwy 18 on road [Smart's Ranch, FS 3N03] up Arrastre Canyon 1829 Comment
  RSA426695  Nicotiana glauca Anstruther Davidson 1890-09 1934 Los Angeles Los Angeles. Comment
  HSC66440  Nicotiana obtusifolia Christopher Davidson 1977-5-29 5868 San Bernardino E Mojave Desert, 2 mi. S of Kelso on Kelbaker Rd., E of Kelso Dunes 671 Comment
  RSA426706  Nicotiana obtusifolia Christopher Davidson 1979-4-4 7737 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  RSA426714  Nicotiana obtusifolia Christopher Davidson 1973-4-19 1982 Riverside Joshua Tree Natl. Monument, ca 4 mi. E of Split Rock, ca 1.5 mi S of park entrance. 1220 Comment
  RSA426731  Nicotiana obtusifolia Christopher Davidson 1977-5-26 5703 San Bernardino Clark Mountains; Pachalka Spring. 1524 Comment
  POM355291  Oenothera californica Anstruther Davidson 1901-07 2276 San Bernardino Bear Valley, San Bernardino Mountains. Comment
  POM355301  Oenothera californica Anstruther Davidson 1911-07 2816 Inyo Andrews Camp. Bishop Creek [Now Bishop]. Comment
  HSC46416  Oenothera californica Christopher Davidson, R. F. Thorne 1976-8-15 4625 San Bernardino San Bernardino Mtns., Fish Creek Campground 2134 Comment
  POM355303  Oenothera californica Christopher Davidson 1975-7-13 3020 Kern On Mill Potrero rd (9N05), 2 mi W of Mil Potrero Country Club. 1806 Comment
  RSA355275  Oenothera cespitosa subsp. marginata Christopher Davidson 1977-5-27 5770 San Bernardino Trail up north side of Clark Mountain, departing from Colosseum Mine Rd ca. 2.6 mi south of junction with Powerline Rd. 1676 Comment
  HSC82767  Oenothera deltoides Christopher Davidson, H. Surprenant, A. P. Romspert 1979-4-28 7741 Imperial Algodones Dunes, dirt road continuation of Ogilby Rd., 1/8 mi. N of All American Canal. 41 Comment
  POM355312  Oenothera deltoides subsp. deltoides Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-28 7741 Imperial Algondones Dunes, dirt track continutation of Ogilby Rd, ca. 1/8 mi from All American Canal. 41 Comment
  POM355633  Oenothera primiveris subsp. primiveris Christopher Davidson 1976-6-7 4281 Inyo 8 miles South of Waucoba-Eureka valley rd on road to Saline Valley. 1524 Comment
  RSA399171  Oligomeris linifolia Christopher Davidson 1973-3-9 1718 Inyo Death Valley National Monument. Rhodes Wash below junction with Bradbury Wash, 0.5 miles SW of Jubilee Pass on State Highway 178. Comment
  RSA399173  Oligomeris linifolia Anstruther Davidson s.n. Unknown [Illegible locality] Comment
  SBBG45340  Oligomeris linifolia Leota Davidson 1966-2-17 328 Los Angeles Soledad Cyn and Spring Cyn Rd (old hwy) Comment
  UC306247 Image available Opuntia oricola Davidson May 1916 Los Angeles Hollywood Comment
  CAS-BOT-BC56863  Opuntia oricola A. Davidson 1916-5-1 s.n. Los Angeles Field redacted by CAS, contact the data manager for more information Comment
  SBBG47039  Oreostemma alpigenum var. andersonii Leota Davidson 1966-7-11 436 Tulare Holby Meadow, ca. 3 mi off St Hwy 190 at end of Holby Crk Rd, S of Quaking Aspen Cmpgrd Comment
  RSA0059272  Orobanche bulbosa Anstruther Davidson 1890-05 s.n. Los Angeles Castaic. Comment
  RSA0070942  Orobanche fasciculata Christopher Davidson, B. Gustafson, Robert F. Thorne 1979-5-22 8125 San Bernardino San Bernardino Mts. Grapevine Canyon. 5.9 mi S of Hwy 18 on Grapevine Canyon Rd. 1524 Comment
  RSA0076155  Orobanche fasciculata Christopher Davidson 1977-5-27 5786 San Bernardino Trail up north side of Clark Mountain, departing from Colosseum Mine Rd ca. 2.6 mi. south of junction with Powerline Rd. 1676 Comment
  RSA0059159  Orobanche parishii subsp. parishii Anstruther Davidson 1889-08 s.n. Los Angeles North of River Reservoir. Los Angeles. Comment
  RSA402007A  Orthocarpus erianthus Christopher Davidson 1977-6-19 5943 Mendocino Haven's Neck, small peninsula on coast north of Anchor Bay. Comment
  RSA402040A  Orthocarpus lithospermoides Christopher Davidson 1973-5-19 2077 Mendocino E of Willits on dirt road off Hearst Rd (Hwy 20). This area to be developed. 762 Comment
  RSA402102  Orthocarpus purpurascens var. purpurascens Christopher Davidson 1973-4-1 1829 Riverside Jct. Vail Lake Marina and Hwy. 71/79, about 3 miles west of Aguanga. 426 Comment
  POM353422  Oxalis albicans subsp. californica Anstruther Davidson 1934-6-1 s.n. San Diego Fallbrook. Comment
  SBBG52720  Oxypolis occidentalis C. Davidson, R. F. Thorne 1975-8-15 4705 San Bernardino lower South Fk Meadow, San Gorgonio Wilderness 2316 Comment
  RSA392900  Oxytheca emarginata Anstruther Davidson 1921-9-1 s.n. Riverside Mt. Tahquitz Comment
  RSA392889  Oxytheca perfoliata Anstruther Davidson 1910-4-24 s.n. Inyo Haiwee. Comment
  RSA392789B  Oxytheca trilobata Anstruther Davidson 1896-07 s.n. Riverside Strawberry Valley. Comment
  RSA472912  Packera cana Anstruther Davidson 1911-7-1 2609 Inyo Bishop Creek. Comment
  UC485566  Packera cana A. Davidson, M. D. 1911-7-1 2573 Inyo Bishop Creek , Andrews Camp (Andrews Camp) Comment
  SD107325  Packera ionophylla Christopher Davidson 1976-8-14 4543 A San Bernardino San Bernardino Mnts. Fish Cr. Meadows, at the end of Forest Service Rd. 1N05, S of Heart Bar St. Park. 2440 Comment
  RSA473142  Packera pauciflora Anstruther Davidson 1927-8-1 s.n. Inyo Kings River Comment
  POM363731  Palafoxia arida var. arida Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-29 7812 Riverside West of Indio, 3 miles E of Date Palm Dr. 15 Comment
  RSA363729  Palafoxia arida var. arida Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-28 7786 Imperial Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob 79 Comment
  HSC66541  Parkinsonia florida Christopher Davidson 1979-4-4 7689 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi. E of Mecca. 213 Comment
  RSA0016997  Paspalum dilatatum Anstruther Davidson 1917-07 3160 Los Angeles La Habra; Los Angeles. Comment
  POM368797  Pectocarya heterocarpa Christopher Davidson 1973-3-9 1677 Inyo Death Valley National Monument, 1 mile SE of Ashford jct. 114 Comment
  POM368759  Pectocarya linearis subsp. ferocula Anstruther Davidson 1890-9-7 s.n. Los Angeles [Unspecified] Comment
  POM368813  Pectocarya recurvata Christopher Davidson 1973-3-9 1680 Inyo Death Valley Nat. Mon. Jubilee Pass on St 178. 402 Comment
  POM368835  Pectocarya setosa Christopher Davidson 1975-5-25 2541 Ventura E of Ozena Sta. on Forest Serv. Rd 9N03, jct of Rd 9N03 and 9N03C. 1220 Comment
  UC25029  Pectocarya setosa Dr. A. Davidson 1895-1 Los Angeles Lancaster Comment
  POM368826  Pectocarya setosa Anstruther Davidson 1910-4-25 2402 Inyo Haiwee Comment
  POM368828  Pectocarya setosa Anstruther Davidson 1926-05 s.n. Kern Mojave Comment
  RSA401952A  Pedicularis densiflora Christopher Davidson 1977-5-18 5601 Orange Santa Ana Mts. Cleveland Nat. Forest. Pleasants Peak (on Orange-Riverside Co. line). 1220 Comment
  RSA425326  Pedicularis semibarbata Christopher Davidson 1978-6-24 7361 Ventura Dirt road to Mt Pinos summit and condor observation site, beyond the public parking area, just below the fork in the road. 2591 Comment
  RSA425328  Pedicularis semibarbata Anstruther Davidson 1893-7-4 s.n. Los Angeles Big Rock. Comment
  RSA425308B  Pedicularis semibarbata Christopher Davidson 1974-7-26 2505 El Dorado Echo Summit on St Hwy 50. 2251 Comment
  POM348827  Pediomelum californicum Anstruther Davidson 1917-07 3247 Los Angeles Mt. Diablo Comment
  RSA686891  Pellaea mucronata subsp. californica Christopher Davidson 1979-5-17 8028 Inyo Panamint Mts. Hanaupah Canyon. 7.5 mi west of junction up Hanaupah Canyon wash. 1006 Comment
  RSA686944  Pellaea mucronata var. mucronata Christopher Davidson 1976-6-9 4388 San Bernardino Hwy 38, 0.5 miles east of Hart's Bar State Park. 2134 Comment
  RSA686945  Pellaea mucronata var. mucronata Christopher Davidson 1976-8-14 4541 San Bernardino Fish Creek Meadows, at the end of Forest Service Road 1N05, S of Heart Bar State Park 2439 Comment
  POM364498  Pennisetum setaceum Anstruther Davidson 1917-07 3159 Los Angeles Los Angeles Comment
  RSA420387  Penstemon Anstruther Davidson 1911-07 2775 Inyo Andrews Camp. Bishop Creek [Now Bishop]. Comment
  RSA412424  Penstemon caesius Anstruther Davidson 1895-9-1 s.n. San Bernardino Bear Valley, San Bernardino Mountains. Comment
  RSA412492  Penstemon centranthifolius Christopher Davidson 1975-5-24 2521 Ventura Los Padres Nat. For. On dirt rd. 7N03, ca 8 mi. E of Hwy 33. Along Sespe Cr. 915 Comment
  RSA248714  Penstemon davidsonii Christopher Davidson 1974-6-23 2360 Mono Inyo Nat'l Forest. On St Hwy 120, ca opposite Ellery Lake. 2908 Comment
  RSA401797B  Penstemon deustus Christopher Davidson 1973-5-28 2184 Trinity E of Burnt Ranch on Hwy 299, Trinity River Canyon, Trinity National Forest. 305 Comment
  RSA412533  Penstemon eatonii subsp. undosus Christopher Davidson 1977-5-28 5818 San Bernardino New York Mountains, Keystone Springs, toward head of Keystone Canyon, east side of New York Mts. 1828 Comment
  SBBG52271  Penstemon grinnellii C. Davidson 1975-8-30 3213 San Bernardino USFS Rd 2N10 at jct with rd to Clark's Ranch, 1.9 mi E of Bluff Lake 2363 Comment
  RSA408058  Penstemon grinnellii subsp. grinnellii Christopher Davidson 1974-8-1 2518 Los Angeles On Angeles Crest Highway, west of Islip Saddle, opposite Kratka Ridge Ski Lift 2134 Comment
  RSA407945  Penstemon incertus Christopher Davidson 1976-5-23 4075 Kern Jawbone Canyon Rd., 5.7 mi. W of juct with US Hwy 395 (north of Mojave). Western Desert. 785 Comment
  SBBG52263  Penstemon incertus C. Davidson 1976-5-23 4075 Kern Jawbone Cyn Rd, 5.7 mi Wof jct with St Hwy 14 (N of Mojave) Comment
  RSA402134  Penstemon labrosus Christopher Davidson 1975-7-13 2988 Ventura Near McGill Campground, W of junc. of campground rd and rd to Mt. Pinos summit. 2172 Comment
  SBBG51932  Penstemon labrosus S. Davidson 1975-7-13 2988 Ventura near McGill Camp, W of jct of cmpgrd rd with road to Mt Pinos summit 2171 Comment
  RSA420418  Penstemon laetus Anstruther Davidson s.n. Tulare Sequoia National Forest. Comment
  RSA420419  Penstemon laetus Anstruther Davidson s.n. Tulare Sequoia National Forest. Comment
  UC27446  Penstemon laetus var. laetus Dr. A. Davidson July, 1895 Kern Tehachapi Comment
  SEINET4097983  Penstemon laetus var. sagittatus C. Davidson 1975-1 2713 Shasta About 15 miles east of Redding on Highway 44. 510 Comment
  RSA248715  Penstemon newberryi Christopher Davidson 1974-6-23 2356 Inyo Inyo Nat. Forest. On St Hwy 168 W of Bishop, near Bishop Cr. ca 1/2 mi. from South Lake. 2835 Comment
  RSA401764B  Penstemon newberryi Anstruther Davidson 1911-07 1782 Inyo Andrews Camp. Bishop Creek [Now Bishop]. Comment
  RSA401765B  Penstemon newberryi Anstruther Davidson 1911-07 2778 Inyo Bishop Creek. 1524 Comment
  RSA401843  Penstemon palmeri Christopher Davidson 1977-5-26 5714 San Bernardino Clark Mountains; Pachalka Spring. 1524 Comment
  RSA401758B  Penstemon roezlii Christopher Davidson 1973-5-26 2134 Modoc 4 miles W of Canby on Hwy 299. 1341 Comment
  RSA248674  Penstemon roezlii Christopher Davidson 1974-6-23 2354 Inyo Inyo Nat. Forest, st. Hwy 168, W of Bishop. Near Jct., rds to Sabrina and South Lakes. 1982 Comment
  RSA401756B  Penstemon roezlii Christopher Davidson 1974-6-23 2364 Mariposa Yosemite Nat'l Park. On State Hwy 120, ca 15 mi W of Lake Tenaya. 2287 Comment
  POM15893  Penstemon rostriflorus Chas Davidson 1885-07 s.n. Mariposa Yosemite. Comment
  RSA424037  Penstemon rostriflorus Anstruther Davidson 1911-07 2780 Inyo Andrews Camp. Bishop Creek [Now Bishop]. Comment
  RSA424044  Penstemon rostriflorus Christopher Davidson 1974-8-1 2517 Los Angeles On Angeles Crest Highway, west of Islip Saddle, opposite Kratka Ridge Ski Lift. Angeles National Forest 2134 Comment
  RSA424071  Penstemon rostriflorus Christopher Davidson 1975-8-16 3149 San Bernardino S. of Big Bear Lake, near Bluff Lake. Ca. 50 yards NE of lake in Jeffrey pine forest. 2317 Comment
  RSA420405  Penstemon rostriflorus R. Davidson 1920-7-1 s.n. Fresno Head of Kings River. Comment
  RSA271899  Penstemon speciosus Christopher Davidson 1975-6-4 2613 Modoc 1/4 mi. W of Cedarville on Hwy 299. 1463 Comment
  RSA401880  Penstemon speciosus Christopher Davidson 1975-6-4 2613 Modoc 1/4 mi. W of Cedarville on Hwy 299. 1463 Comment
  SBBG51930  Penstemon speciosus C. Davidson 1975-7-13 3008 Ventura just off USFS Rd 9N24 to summit of Pine Mtn, on short side road to south 2651 Comment
  RSA401867  Penstemon speciosus Anstruther Davidson s.n. Inyo [No location information provided.] Comment
  RSA401817  Penstemon spectabilis Anstruther Davidson 1901-07 2210 San Bernardino 7 Oaks. San Bernardino Mountains. Comment
  SEINET4097936  Penstemon spectabilis C. Davidson 1975-1 2805 Riverside About 4 miles south of Banning on road R1 to Idyllwild. 1127 Comment
  RSA687383  Pentagramma triangularis subsp. triangularis Christopher Davidson 1979-5-17 8029 Inyo Panamint Mts. Hanaupah Canyon. 7.5 mi west of junction up Hanaupah Canyon wash. 1006 Comment
  RSA459098  Perideridia parishii subsp. parishii Anstruther Davidson 1895-9-1 s.n. San Bernardino Bear Valley, San Bernardino Mountains. Comment
  RSA459099  Perideridia parishii subsp. parishii Christopher Davidson 1975-8-16 3113 San Bernardino E end of Bluff Lake on drying grassland margins of small forest runnoff channel. 2317 Comment
  UC106553  Perideridia pringlei Dr. A. Davidson Los Angeles Acton Comment
  RSA445148  Petalonyx nitidus Christopher Davidson, Alan Romspert 1979-5-17 7962 Inyo Panamint Mts. Johnson Canyon. Various points along the road up Johnson Canyon wash, Ca. 7.3 miles from the junction. 869 Comment
  RSA444948  Petalonyx thurberi Anstruther Davidson 1903-5-1 s.n. Riverside Thermal Comment
  RSA451825  Petrophytum caespitosum Christopher Davidson 1977-5-27 5777 San Bernardino Trail up north side of Clark Mountain., departing from Colosseum Mine Road ca. 2.6 mi. south of Powerline Road. Steep narrow canyon. 1890 Comment
  RSA423795  Petunia parviflora Anstruther Davidson 1899-4-11 111 Los Angeles [Indecipherable locality information] Comment
  RSA423797  Petunia parviflora Anstruther Davidson 1890-1 s.n. Los Angeles Los Angeles. Comment
  GH64194  Phaca davidsonii A. Davidson 1893-5-12 4 Unknown Lancaster Comment
  RSA0039175  Phacelia Christopher Davidson 1976-6-8 4327 Inyo Death Valley National Monument. Highway 190, 1.4 miles W of west junction to Darwin, and 11.4 miles E of junction of State Highways 136 & 190. 1540 Comment
  RSA427734  Phacelia ambigua Christopher Davidson 1973-3-9 1652 Inyo Death Valley National Monument. Furnace Creek wash, 1 miles SE of Furnace Creek Inn on State Highway 190 46 Comment
  RSA421529  Phacelia bolanderi Christopher Davidson 1977-6-19 5995 Mendocino 2.2 miles E of Gualala on county rd 502. Bridge crossing Gualala River. 15 Comment
  RSA421534  Phacelia brachyloba Anstruther Davidson 1925-5-1 s.n. San Diego Buchman spring, San Diego County Comment
  RSA427574  Phacelia brachyloba Anstruther Davidson 1892-6-12 s.n. Los Angeles Wilson's Trail. Comment
  RSA427689  Phacelia californica Christopher Davidson 1977-6-19 5923 Mendocino Haven s Neck, small peninsula on coast north of Anchor Bay. Comment
  RSA427695B  Phacelia calthifolia Christopher Davidson 1973-3-9 1644 Inyo Death Valley National Monument. Furnace Creek wash, 1 miles SE of Furnace Creek Inn on State Highway 190 46 Comment
  RSA427694A  Phacelia calthifolia Christopher Davidson 1976-6-6 4254 Inyo Last Chance Mts., Waucoba-Death Valley Rd. Near Sulfur Mine, ca. 5 mi. E of junction to Eureka Dune. 1524 Comment
  RSA427715A  Phacelia campanularia Christopher Davidson, Robert Gustafson, R. F. Thorne 1979-5-22 8056 San Bernardino Toward Apple Valley, near jct of Flicker and Oriole Rds, off Grapevine Rd. 1136 Comment
  HSC82777  Phacelia campanularia subsp. campanularia Christopher Davidson, B. Gustafson, D. A. Reynolds 1979-5-9 7841 San Bernardino Hwy. 18 up Cushenbury Canyon, 1/4 mi. inside San Bernardino Nat'l Forest boundary 1418 Comment
  RSA427714B  Phacelia campanularia subsp. vasiformis Christopher Davidson 1973-4-7 1917 San Bernardino St. Hwy 62, ca 5 mi w of jct. with St. Hwy 18 [Hwy 62 & 247 jtn], toward hills on the right (as going toward Morongo Valley.) 915 Comment
  RSA427661  Phacelia cicutaria var. hispida Anstruther Davidson 1892-5-3 s.n. Los Angeles Pasadena. Comment
  RSA427663  Phacelia cicutaria var. hubbyi Anstruther Davidson 1889-06 s.n. Los Angeles Los Angeles. Comment
  RSA427695A  Phacelia ciliata Anstruther Davidson 1892-05 s.n. Los Angeles Cahuenga hills. Comment
  RSA426009B  Phacelia crenulata Christopher Davidson 1976-5-22 3982 Inyo On Waucoba Road, 5.4 miles E of Junction with Westgard Roiad toward Eureka Valley, Waucoba Canyon. 1524 Comment
  UC126006  Phacelia crenulata var. ambigua Dr. A. Davidson May 1893 Riverside Agua Caliente Comment
  RSA248664  Phacelia curvipes Christopher Davidson 1973-4-7 1895 Los Angeles Juniper Hills toward Devil's Punchbowl, east side of San Gabriel Mtns. 1067 Comment
  RSA426026  Phacelia curvipes Christopher Davidson 1975-7-3 2972 Kern Rd to Mt Pinos. Steep E slope facing N branch of Seymour Cr, toward Mt Pinos Campgrnd. Los Padres Nat. Forest. 2287 Comment
  HSC83900  Phacelia davidsonii Christopher Davidson 1977-5-18 5608 Orange Santa Ana Mts. Cleveland Nat. Forest. Santiago Peak (on Orange-Riverside Co. line). 1707 Comment
  RSA426035  Phacelia davidsonii Christopher Davidson 1976-6-9 4389 San Bernardino San Bernardino Mts, Hwy 38 across from jct with Jenks Lake road. 2043 Comment
  RSA426101  Phacelia distans Anstruther Davidson 160 a Ventura Rock Creek. Comment
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Mar 5 2007
  RSA428318A  Phacelia distans Anstruther Davidson 1910-4-24 2354 Inyo Haiwee. Comment
  RSA428321A  Phacelia distans Anstruther Davidson 1890-05 1919 Los Angeles Los Angeles. Comment
  UC753512  Phacelia distans John F. Davidson 1947-4-11 4621 Santa Barbara Hwy 399 11.9 mi s junction of Hwy 166 (slope e of dry river, ne Santa Barbara Co.) Comment
  RSA0041602  Phacelia douglasii Anstruther Davidson 1917-1 s.n. Orange Laguna. Comment
  RSA428103  Phacelia exilis Christopher Davidson 1975-6-22 2863 Ventura 1.5 miles beyond Lookout on Frazier Mountan on road 8N04B 2317 Comment
  RSA421526  Phacelia fremontii Christopher Davidson, Robert Gustafson, Don Reynolds 1979-5-9 7854 San Bernardino St Highway 18 up Cushenbury Canyon, ca. 1.7 miles inside San Bernardino Nat l Forest boundary; Dirt rd NE. 1524 Comment
  RSA426136  Phacelia fremontii Christopher Davidson 1976-5-17 3924 Inyo U.S. Naval Ordinance Test Station. Sheep Canyon (also called Renegade Canyon) petroglyph site. 1555 Comment
  RSA426138  Phacelia fremontii Christopher Davidson 1973-3-9 1699 Inyo Death Valley National Monument. Rhodes Wash below jct with Bradbury Wash, 1/2 mi SW of Jubilee Pass on St 178. 457 Comment
  SBBG25174  Phacelia fremontii Leota Davidson 1966-2-23 246 Inyo Daylight Pass [Rd], 25.3 mi from Furnace Crk Ranch 1127 Comment
  RSA421511  Phacelia fremontii Anstruther Davidson 1923-6-1 s.n. Los Angeles [Unspecified] Comment
  RSA426148  Phacelia fremontii Christopher Davidson 1973-3-26 1744 Kern Boron Dry Lake region. 2 miles W on dirt road to fossil diggings off Claymine Road, 17 miles E of Mojave 823 Comment
  RSA427958  Phacelia frigida subsp. dasyphylla Anstruther Davidson 1913-07 2924 Inyo Bishop Creek. Comment
  RSA427964  Phacelia frigida subsp. dasyphylla Christopher Davidson 1970-9-10 7472 Mono Trail to Lake Mildred, 1-5 miles SW of Convict Lake, SW of Hwy 395. 2896 Comment
  RSA0106626  Phacelia greenei Christopher Davidson 1975-6-5 2693 Siskiyou 0.1 ENE on unnamed dirt rd. departing to E off Hwy 3 at Scott Mtn summit. 1677 Comment
  RSA428124  Phacelia hastata Anstruther Davidson 1976-6-9 4378 San Bernardino San Bernardino Mts, Hwy 38, 0.4 mile SE of Onyx Summit. 2561 Comment
  SCFS360  Phacelia humilis E. Davidson 1964-6-21 6216415 Nevada Sagehen Basin, Ca. 1.25 mi NW of station 2042 Comment
  SD107284  Phacelia humilis Christopher Davidson 1975-6-8 2786 Mono 2.2 mi N of Conway Summit (8 mi S of Bridgeport) on Hwy 395 2316 Comment
  RSA427994  Phacelia humilis var. humilis Christopher Davidson 1975-6-8 2786 Mono 2.2 miles north of Conway Summit (eight miles south of Bridgeport) on Highway 395. 2317 Comment
  RSA350918  Phacelia humilis var. lobata Anstruther Davidson, Hasse 1906-6-7 1491 Los Angeles Big Rock Creek at Lowell Mines 2134 Comment
  RSA0003844  Phacelia humilis var. lobata Anstruther Davidson, Hasse 1906-6-7 1491 Los Angeles Big Rock Creek at Lowell Mines 2134 Comment
  RSA428011  Phacelia imbricata Anstruther Davidson 1889-06 s.n. Los Angeles Los Angeles. Comment
  RSA428047  Phacelia longipes Anstruther Davidson 1893-6-12 s.n. Los Angeles Switzer s Comment
  UC753433  Phacelia longipes John F. Davidson 1947-4-11 4624 Ventura Hwy 399 between Pine Mt. summit and Ojai and Ventura junction (e Ventura Co.) Comment
  UC1375364  Phacelia lyonii C. Davidson 1971-5-8 1532 Los Angeles White's Landing Catalina Island Comment
  RSA428073  Phacelia minor Anstruther Davidson 1890-4-10 s.n. Los Angeles Cahuenga Pass. Comment
  RSA428086  Phacelia minor Christopher Davidson 1973-4-1 1794 Riverside Agua Tibia Mountains. Highway 71/79 approximately 7 miles from junction of US 395 South. 412 Comment
  RSA428063  Phacelia minor Anstruther Davidson 1906-06 s.n. Los Angeles Glendale. Comment
  RSA733535  Phacelia mohavensis var. exilis Davidson 1909-07 2193 San Bernardino Bear Valley Comment
  RSA428148  Phacelia parryi Christopher Davidson 1973-4-6 1858 Los Angeles Tapia Park, Malibu Canyon. 244 Comment
  RSA428149  Phacelia parryi Anstruther Davidson 1920-5-1 s.n. Los Angeles San Gabriel Mts. Comment
  SEINET4080652  Phacelia perityloides C. Davidson 1976-1 4023 Inyo Last Chance Mountains, directly east of Eureka Dune, south end of the Eureka Valley. 914 Comment
  RSA428275A  Phacelia rotundifolia Christopher Davidson 1976-5-22 4037 Inyo Last Chance Mts., directly east of Eureka Dune, south end of Eureka Valley. 915 Comment
  SEINET4080653  Phacelia tanacetifolia C. Davidson, B. Gustafson; F. Runyan 1973-1 1743 Kern Boron Dry Lake region, two miles west on dirt road to fossil diggings off Claymine road, 17 miles east of Mojave in the Mojave Desert. 822 Comment
  RSA428235  Phacelia vallis-mortae Christopher Davidson 1976-6-4 4199 Inyo Harkless Flat Road, ridge at road's end overlooking Owens Valley. (5.2 miles from junction) 2226 Comment
  RSA428237  Phacelia vallis-mortae Christopher Davidson, Alan Romspert 1979-5-16 7912 Inyo Panamint Mts. Johnson Canyon. Vicinity of lower spring at the end of the road. 20 miles SW of Badwater. 1189 Comment
  RSA0106599  Phacelia viscida Anstruther Davidson 1890-5-5 s.n. Ventura Hoppers Ranch. Comment
  POM356903  Phalaris lemmonii Anstruther Davidson 1890-04 s.n. Los Angeles Sunnyside Comment
  POM356925  Phalaris minor Anstruther Davidson 1916-6-1 3157 Los Angeles Santa Monica Mountains. Comment
  UC196659  Phalaris paradoxa A. Davidson June 1916 3156 Los Angeles Boca Rancho Los Angeles Comment
  RSA0046804  Philadelphus lewisii Christopher Davidson 1973-5-22 2087 Shasta along Hwy 299 ca. 15 mi E of Redding, in rocky streamside places near Little Cow Cr. 396 Comment
  SD99369  Philadelphus microphyllus var. stramineus Christopher Davidson 1977-5-27 5780 San Bernardino 2.6 mi. S of Powerline Rd. departing from Collosseum Mine Rd, Trail on N side of Clark Mtn. 1890 Comment
  RSA0057821  Philadelphus microphyllus var. stramineus Christopher Davidson 1977-5-27 5780 San Bernardino Trail up north side of Clark Mountain., departing from Colosseum Mine Road ca. 2.6 mi. south of Powerline Road. Steep narrow canyon. 1890 Comment
  SCFS967  Phleum alpinum E. Davidson 1964-7-16 716641 Nevada Sagehen Basin, Ca 1 mi W of station in lg mdw with campground, at NE end 1981 Comment
  SCFS970  Phleum pratense E. Davidson 1964-7-10 710648 Nevada Sagehen Basin, 50 yd SW of station by checkdam 1951 Comment
  RSA469914  Phlox Anstruther Davidson 1913-07 s.n. Inyo Andrews Camp, Mountain. 2896 Comment
  RSA468392  Phlox douglasii subsp. rigida Christopher Davidson 1973-5-26 2123 Modoc 4 miles W of Canby on Hwy 299. 1341 Comment
  UCR66592  Phlox douglasii subsp. rigida Christopher Davidson 1975-6-4 2604 Modoc Hwy 299 (toward Cedarville), 2.2 mi. east of hwy 395 1500 Comment
  RSA469931  Phlox stansburyi Anstruther Davidson 1913-07 1931 Inyo Bishop Creek. Comment
  HSC82769  Pholisma sonorae Christopher Davidson, A. P. Romspert, H. Surprenant 1979-4-28 7793 Imperial Algodones Dunes, dirt road heading E 3.3 mi. from Gray's Well Rd exit off Hwy. 8 46 Comment
  RSA446408  Pholisma sonorae Christopher Davidson, Romsport, Surprenant 1979-4-28 7759 Imperial Algondones Dunes, dirt track continutation of Ogilby Rd, ca. 1/8 mi from All American Canal. 41 Comment
  POM354302  Phoradendron bolleanum subsp. densum Christopher Davidson, Alan Romspert 1979-5-17 7997 Inyo Panamint Mountains, Johnson Canyon. Trail up the creek to Hungry Bill's. 1189 Comment
  RSA420777  Phoradendron californicum Anstruther Davidson 1901-02 s.n. Riverside Near Palm Springs, base of San Jacinto Mtns. Comment
  RSA420758  Phoradendron densum Christopher Davidson 1976-3-27 3903 San Diego State Hwy 78, 10 mi e of Julian toward Anza-Borrego State Park. 785 Comment
  SBBG52794  Phoradendron leucarpum subsp. tomentosum C. Davidson, J. A. Churchill 1976-9-16 4737 Kern W end of Cuddy Valley on rd to Mt Pinos summit 1691 Comment
  POM354329  Phoradendron villosum Anstruther Davidson 1892-7-4 s.n. Los Angeles Acton. Comment
  POM354344  Phoradendron villosum Christopher Davidson, John A. Churchill 1976-9-16 4737 Kern W end of Cuddy Valley on road to Mt. Pinos summit. 1692 Comment
  POM354345  Phoradendron villosum Christopher Davidson, John A. Churchill 1976-9-16 4737 Kern W end of Cuddy Valley on road to Mt. Pinos summit. 1692 Comment
  RSA434507  Phyla lanceolata Anstruther Davidson 1889-07 s.n. Los Angeles Cienega, Los Angeles. Comment
  HSC82761  Physalis crassifolia Christopher Davidson 1979-4-4 7676 Riverside Orocopia Mtns., lower end of Box Canyon on Box Canyon Rd., 4.4 mi. E of Mecca 213 Comment
  RSA423741  Physalis crassifolia var. crassifolia Christopher Davidson 1977-5-29 5864 San Bernardino East Mojave Desert, ca. 2 miles S of Kelso on Kelbaker Rd. (E of Kelso Dunes). 671 Comment
  RSA423731  Physalis crassifolia var. crassifolia Christopher Davidson, Alan Romspert 1979-5-16 7900 Inyo Panamint Mountains, Johnson Canyon. Vicinity of lower spring at the end of the road. 20 miles SW of Badwater. 1311 Comment
  RSA0038452  Physaria kingii subsp. latifolia Christopher Davidson 1977-5-28 5813 San Bernardino Keystone Spg towards head of Keystone Canyon, east side of New York Mts. 1828 Comment
  RSA451853  Physocarpus capitatus Anstruther Davidson 1928-7-1 s.n. Plumas Feather River [county not specified: Butte, Plumas or Sierra] Comment
  RSA412033  Pickeringia montana var. montana Christopher Davidson 1977-6-18 5922 Mendocino Signal Ridge Rd., 11.7 mi. W of Hwy 128. 518 Comment
  SD99423  Pickeringia montana var. montana Christopher Davidson 1977-6-18 5922 Mendocino Signal Ridge Road, 11.7 miles west of Hwy 128 518 Comment
  RSA472027  Picris echioides Anstruther Davidson 1912-7-1 2805 Los Angeles Orme Ave, Los Angeles. Comment
  RSA384434A  Pinus contorta var. murrayana Anstruther Davidson 1895-9-1 s.n. San Bernardino Bear Valley, San Bernardino Mountains. Comment
  SEINET10942020 Image available Pinus contorta var. murrayana Davidson Davidson s.n. Unknown Sierra Nevada. Comment
  RSA384388  Pinus monophylla Christopher Davidson 1976-6-7 4266 Mono East of Lake Crowley; on dirt rd. 3S53, 2.75 mi. appx W of junction with rd. 4S34. Inyo National Forest. 2134 Comment
  RSA384434B  Pinus monophylla Anstruther Davidson 1895-9-1 s.n. San Bernardino Bear Valley, San Bernardino Mountains. Comment
  SBBG349  Pinus monticola J. F. Davidson, J. M. Tucker 1947-5-17 1565 Siskiyou summit of Scott Mtn 2072 Comment
  SCFS812  Pinus monticola E. Davidson 1964-7-16 7166422 Nevada Sagehen Basin, 2.25 mi SW of station on S ridge 2042 Comment
  RSA384459  Pinus ponderosa Anstruther Davidson 1911-7-1 2616 Inyo Bishop Creek. Comment
  RSA382793  Piperia cooperi Anstruther Davidson 1906-5-12 1460 Los Angeles Providencia Ranch, Hollywood. Comment
  RSA499869  Plagiobothrys canescens var. catalinensis Anstruther Davidson 1910-4-25 2469 Inyo Haiwee Comment
  SD107355  Plagiobothrys hispidulus Christopher Davidson 1975-8-16 3138 San Bernardino Along NE shore of Bluff Lake, S of Big Bear Lake. Among tall grasses and sedges in drying sand away from lake shore. 2316 Comment
  POM368963  Plagiobothrys tenellus Christopher Davidson 1973-4-1 1827 Riverside Jct. Vail Lake Marina and Hwy. 71/79, about 3 miles west of Aguanga. 427 Comment
  SBBG54322  Plagiobothrys undulatus C. Davidson 1977-5-25 5641 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
  RSA401950B  Plantago erecta Anstruther Davidson 1910-04 2475 Orange Corona Del Mar. Comment
  RSA412559  Plantago lanceolata Christopher Davidson 1977-6-19 5949 Mendocino Haven's Neck, small peninsula on coast north of Anchor Bay. Comment
  RSA226632  Plantago major Christopher Davidson, Gerald L. Benny 1971-6-15 1546 Orange Brea Canyon, 0.5 mile N of Central Avenue, along Brea Creek, near Brea Oil Co. wells. Comment
  RSA412574  Plantago major Anstruther Davidson 1891-1 s.n. Los Angeles Los Angeles. Comment
  RSA401947B  Plantago ovata var. fastigiata Anstruther Davidson 1902-5-4 s.n. Los Angeles Redondo. Comment
  RSA402284  Plantago ovata var. fastigiata Christopher Davidson 1973-3-9 1670 Inyo Death Valley Nat'l Monument Jct. of E and W Side roads, 40 miles S of Furnace Creek Inn on Hwy 178, 3 miles NW of Ashford Mill Ruins. 30 Comment
  RSA412594  Plantago purshii var. oblonga Christopher Davidson 1976-6-9 4368 San Bernardino on St. Hwy 18, Cushenbury Grade Summit. San Bernardino Mountains. 2058 Comment
  RSA382786  Platanthera Anstruther Davidson 1895-9-1 s.n. San Bernardino Bear Valley, San Bernardino Mountains. Comment
  RSA382931  Platanthera Anstruther Davidson 1908-07 1763 Tulare Sequoia Grove Park. Comment
  RSA382915  Platanthera leucostachys Christopher Davidson, Robert F. Thorne 1976-8-14 4582 San Bernardino San Bernardino Mountains, Fish Creek Meadows, at the end of Forest Service Road 1N05, S of Heart Bar State Park. 2439 Comment
  RSA0036217  Platystemon californicus var. californicus Christopher Davidson, B. Gustafson, R. F. Thorne 1979-5-22 8093 San Bernardino San Bernardino Mts. Grapevine Canyon. North desert slope. 6.5 mi S of Hwy 18 on Grapevine Can. Rd. 1609 Comment
  RSA433738  Plectritis macrocera Anstruther Davidson 1890-3-30 s.n. Los Angeles Near River Reservoir. Comment
  RSA433736  Plectritis macrocera subsp. grayi Anstruther Davidson 1907-6-12 1702 Kern Tehachapi Mts. Comment
  RSA414090  Pleuraphis jamesii Christopher Davidson 1976-5-17 3928 Inyo U.S. Naval Ordinance Test Station. Sheep Canyon (also called Renegade Canyon) petroglyph site. 1555 Comment
  RSA467843  Pleuricospora fimbriolata Anstruther Davidson 1908-07 1658 Tulare Sequoia National Forest. Comment
  HSC66547  Pleurocoronis pluriseta Christopher Davidson 1979-4-4 7706 Riverside Orocopia Mountains, Box Canyon on Box Canyon Rd., 5.9 miles E of Mecca. 305 Comment
  RSA472084  Pleurocoronis pluriseta Christopher Davidson, Alan Romspert 1979-5-17 7970 Inyo Panamint Mts. Johnson Canyon. Various points along the road up Johnson Canyon wash. Ca. 7.4 mi from the junction. 869 Comment
  RSA472129  Pluchea sericea Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  RSA484242  Poa fendleriana Anstruther Davidson 1910-4-25 2431 Inyo Haiwee Creek. Inyo County Comment
  RSA484382  Poa nervosa Anstruther Davidson 1911-07 2516 Inyo Bishop Creek Comment
  RSA263938  Poa palustris Christopher Davidson, Robert F. Thorne 1976-8-14 4505 San Bernardino Fish Cr., on Forest Service Rd 1N05, S of Heart Bar St. Park. 1981 Comment
  RSA484197  Poa pratensis Anstruther Davidson 1917-05 s.n. Los Angeles Los Angeles. Comment
  SCFS5151  Poa pratensis E. Davidson 1964-7-10 071064 -7 Nevada Found 50 yards southwest of station by checkdam 1951 Comment
  RSA0038277  Poa scabrella Christopher Davidson 1978-6-18 7334 San Bernardino San Bernardino Mountains, Baldwin Lake, 3 mi. E. of Big Bear City. 2042 Comment
  RSA484216  Poa secunda Anstruther Davidson 1890-1 s.n Los Angeles Los Angeles Comment
  RSA484223  Poa secunda Christopher Davidson 1975-6-4 2603 Modoc 0.4 mile E of Highway 395 on Highway 299 toward Cedarville. 1380 Comment
  RSA484240  Poa secunda Anstruther Davidson 1911-07 2512 Inyo Bishop Creek Comment
  SD107317  Poa secunda Christopher Davidson 1975-6-5 2657 Siskiyou just above gate on special service rd branching S off rd from Gazell to Callahan, 9.3 mi W of Gazell. Klamath National Forest 1470 Comment
  RSA424573  Pogogyne douglasii subsp. parviflora Anstruther Davidson 1925-9-7 s.n. Mariposa Yosemite. [Tuolumne, Mariposa, or Madera County] Comment
  SBBG52743  Polemonium occidentale C. Davidson, R. F. Thorne 1976-8-15 4671 San Bernardino upper S Fk Meadow, San Gorgonio Wilderness Area 2438 Comment
  UC908998  Polemonium pulcherrimum John F. Davidson 1946-9-27 4617 Alameda Comment
  RSA460153  Polygala cornuta var. cornuta Anstruther Davidson 1908-07 1964 Tulare Colony Mill Road, Sequoia National Forest Comment
  CAS-BOT-BC167815  Polygala cornuta var. fishiae Dr. A. Davidson 1893-1-1 s.n. Los Angeles Mt. Wilson Comment
  GH347796  Polygala cornuta var. fishiae A. Davidson 1893-07-01 - 1893-08-01 Unknown Los Angeles, Sierra Madre range Comment
  RSA460139  Polygala cornuta var. fishiae Anstruther Davidson 1917-8-19 s.n. Los Angeles Crater Camp, Near Calabasas Comment
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Jan 14 2008
  SBBG67659  Polygala cornuta var. fishiae Anstruther Davidson -Aug-1893 Los Angeles Wilson's Trail Comment
  UCR66493  Polygala cornuta var. fishiae Anstruther Davidson 1917-8-17 s.n. Los Angeles Crater Camp near Calabasas Comment
  POM120338  Polystichum imbricans Anstruther Davidson 1908-07 2091 Tulare Sequoia National Forest. Comment
  RSA693282  Polystichum imbricans subsp. curtum Christopher Davidson, Larry E. DeBuhr 1976-6-26 4398 San Bernardino 10 miles WSW of Running Springs on State Highway 30 1159 Comment
  SCFS55  Populus tremuloides E. Davidson 1964-7-22 722646 Nevada Sagehen Basin, Ca. 0.25 mi SE of station on rd 1951 Comment
  POM360828  Populus trichocarpa Anstruther Davidson 1890-5-5 s.n. Ventura Ventura. Comment
  RSA383494  Potamogeton crispus Anstruther Davidson 1920-08 3398 Los Angeles Griffith Park, Western Ave, entrance. Comment
  RSA366531  Potentilla glandulosa Anstruther Davidson 1907-6-10 1705 Kern Tehachapi Mts. Comment
  SD107293  Potentilla glandulosa subsp. reflexa Christopher Davidson 1975-8-30 3209 San Bernardino S of Big Bear Lake, at W end of Bluff lake, roadside 2316 Comment
  POM366606  Potentilla gracilis var. elmeri Christopher Davidson 1976-6-26 4462 San Bernardino ca. 1/4 mile E of Running Springs (Juntion of Hwys 30 and18). on Hwy 18. 1829 Comment
  RSA451901  Potentilla gracilis var. elmeri Anstruther Davidson 2740 Inyo Bishop Creek. Comment
  POM366573  Potentilla gracilis var. fastigiata Anstruther Davidson 1907-6-10 1706 Kern Tehachapi Mts. Comment
  SBBG72444  Potentilla gracilis var. fastigiata Anstruther Davidson 1895-1 Los Angeles Big Rock Crk Comment
  CAS-BOT-BC539748  Potentilla gracilis var. fastigiata Dr. A. Davidson 1873-7-1 s.n. Los Angeles Rock Creek, San Gabriel Mts Comment
  POM366571  Potentilla wheeleri Anstruther Davidson 1901-07 2274 San Bernardino Bear Valley, San Bernardino Mountains. Comment
  POM366588  Potentilla wheeleri Christopher Davidson, Robert F. Thorne 1976-8-14 4553 San Bernardino Fish Creek Meadows, at the end of Forest Service Road 1N05, S of Heart Bar State Park. 2439 Comment
  POM366589  Potentilla wheeleri Christopher Davidson, Robert F. Thorne 1976-8-14 4621 San Bernardino Fish Creek Meadows, at the end of Forest Service Road 1N05, S of Heart Bar State Park. 2439 Comment
  SBBG51649  Prenanthella exigua C. Davidson 1976-6-8 4318 Inyo St Hwy 190, 1.4 mi W of W jct to Darwin, and 11.4 mi E of jct of hwys 136 and 190 1539 Comment
  RSA453225  Prunus emarginata Anstruther Davidson 1908-7-8 1845 Tulare Sequoia National Park. Comment
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Nov 18 2014
  RSA453302  Prunus fasciculata var. fasciculata Anstruther Davidson 1893-7-4 s.n. Los Angeles Big Rock. Comment
  SBBG16646  Prunus fasciculata var. fasciculata Anstruther Davidson 1895-1 Los Angeles Big Rock Crk Comment
  RSA453238  Prunus fremontii Anstruther Davidson 1893-4-10 1844 Riverside Palm Springs. Comment
  RSA453251  Prunus ilicifolia Anstruther Davidson 1890-4-10 1842 Los Angeles Foot hills, Hollywood. Comment
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Oct 25 2015
  RSA451458  Prunus virginiana var. demissa Anstruther Davidson 1893-7-4 s.n. Los Angeles Rock Creek. Comment
  RSA472302  Psathyrotes ramosissima Christopher Davidson 1973-3-9 1643 Inyo Death Valley National Monument. Furnace Creek wash, 1 miles SE of Furnace Creek Inn on State Highway 190 46 Comment
  POM358910  Pseudognaphalium stramineum Anstruther Davidson s.n. Unknown N. Cal. Comment
  UC465530  Pseudostellaria jamesiana A. Davidson, M. D. 1907-6-12 1740 Kern Tehachapi Mts. Comment
  RSA478140  Pseudostellaria jamesiana Robert A. Davidson 1889-7-8 s.n. Unknown [Unspecified] Comment
  CAS-BOT-BC353593  Psorothamnus arborescens var. simplicifolius A. Davidson 1892-5-1 s.n. Riverside Banning Comment
  HSC82766  Psorothamnus emoryi Christopher Davidson, A. P. Romspert, H. Surprenant 1979-4-29 7819 Riverside W of Indio, 3 mi. E of Date Palm Dr. 15 Comment
  SBBG68074  Psorothamnus emoryi Anstruther Davidson 1895-1 Riverside Palm Springs Comment
  SBBG68031  Psorothamnus schottii Anstruther Davidson -Apr-1893 Riverside Palm Springs Comment
  RSA404277  Psorothamnus spinosus Anstruther Davidson 1928-5-1 s.n. Riverside Colorado Desert. Comment
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Feb 11 2014
  RSA762192  Ptelea angustifolia Anstruther Davidson 1884-05 s.n. Contra Costa Antioch. Comment
  RSA467865  Pterospora andromedea Anstruther Davidson 1908-07 1675 Tulare Sequoia National Forest. Comment
  RSA392937  Pterostegia drymarioides Christopher Davidson 1973-4-1 1842 Riverside Along Hwy 74 on desert hillside facing Palm Desert. 488 Comment
  RSA470959  Pteryxia petraea Anstruther Davidson 1931-7-27 2739 Inyo [Unspecified] Comment
  RSA484521  Puccinellia nuttalliana Anstruther Davidson 1904-5-1 1102 Riverside Palm Springs. Comment
  RSA449660  Purshia tridentata Anstruther Davidson 1911-07 2654 Inyo Bishop Creek. 1524 Comment
  RSA449639  Purshia tridentata var. glandulosa Christopher Davidson, B. Gustafson, D. A. Reynolds 1979-5-9 7874 San Bernardino St Highway 18 up Cushenbury Canyon, ca. 1.7 miles inside San Bernardino Nat'l Forest boundary; Dirt rd NE. 1524 Comment
  RSA449646  Purshia tridentata var. glandulosa Anstruther Davidson 1910-4-25 2375 Inyo Haiwee Creek. Comment
  RSA750259  Pycnanthemum californicum Anstruther Davidson s.n. Unknown [No location information on label.] Comment
  RSA0081590  Pyrola aphylla Christopher Davidson 1974-7-25 2491 Plumas Ca. 5 mi. W of Westwood on St. Hwy 36. 1524 Comment
  RSA0036062  Pyrola californica Christopher Davidson, Robert F. Thorne 1976-8-15 4670 San Bernardino San Bernardino Mts. Upper South Fork Meadow, San Gorgonio Wilderness Area. 2438 Comment
  RSA0080454  Pyrola picta Christopher Davidson 1977-6-24 6102 Mendocino Mountain View Rd. toward Boonville, 4.8 mi E of US Hwy 101, almost to Titus Heights. 457 Comment
  POM359298  Pyrrocoma apargioides Anstruther Davidson s.n. Los Angeles Catalina [Island] Comment
  UC160057  Pyrrocoma apargioides A. Davidson July 1911 2558 Inyo Andrews Camp Bishop Creek 3048 Comment
  POM359299  Pyrrocoma apargioides Anstruther Davidson 1925-08 3629 Inyo Thompson Range Comment
  RSA455873  Pyrrocoma apargioides Anstruther Davidson 1913-07 s.n. Inyo Andrews Camp, Bishop Creek. Comment
  POM359557  Pyrrocoma uniflora var. gossypina Anstruther Davidson 1908-07 2163 San Bernardino Bear Valley, San Bernardino Mountains. Comment
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Dec 18 2009
  RSA476843  Quercus agrifolia var. agrifolia Anstruther Davidson 1891-1 s.n. Los Angeles Pasadena. Comment
  RSA476877  Quercus chrysolepis Christopher Davidson 1975-7-13 3023 Kern 4.2 mi on fer. [forest?] serv. rd 9N25 up Cerro Noroeste (Mt. Abel). 2142 Comment
  RSA476908  Quercus chrysolepis Anstruther Davidson 1893-6-12 s.n. Los Angeles Switzer's Trail. Comment
  SD99377  Quercus chrysolepis Christopher Davidson 1977-5-28 5804 San Bernardino Keystone Spring, toard head of Keystone Canyon, east side of New York Mountains, in dry rocky canyon sloping east 1829 Comment
  RSA476761  Quercus durata var. gabrielensis Anstruther Davidson 1890-05 s.n. Los Angeles Glendale. Comment
  RSA476806  Quercus garryana var. garryana Christopher Davidson 1975-6-6 2710 Trinity 9.6 mi N of Weaverville on Hwy 3. Beside the road on a very steep bank above Rush Cr. 838 Comment
  RSA477303  Quercus john-tuckeri Anstruther Davidson 1893-7-4 s.n. Los Angeles Rock Creek. Comment
  RSA476809  Quercus kelloggii Anstruther Davidson 1907-6-12 1701 Kern Tehachapi Mts. Comment
  RSA477338  Quercus kelloggii Christopher Davidson 1975-8-30 3231 San Bernardino 0.5 mile NE of Jct of road 2N10 and 2N06, on rd 2N10 toward Big Bear. 2210 Comment
  SEINET5644361  Quercus kelloggii Christopher Davidson 1975-6-4 2626 Modoc 0.7 mi E of Upper Rush Cr. Camp on dirt rd off Hwy 299 ca. 7 mi N of Adin. Left side of rd, several meters below a roadside seepage area. 5400 ft. elevation.; 0 1645 Comment
  RSA472415  Rafinesquia californica Anstruther Davidson 1919-6-1 2977 Los Angeles San Gabriel Canyon Comment
  RSA472443  Rafinesquia neomexicana Christopher Davidson 1973-4-19 1970 San Bernardino Joshua Tree National Monument, 5 miles E of Split Rock, 3 miles S of Park entrance 1188 Comment
  UC33292  Rafinesquia neomexicana Dr. A. Davidson July 1895 Los Angeles Antelope Valley Comment
  RSA399562  Ranunculus Anstruther Davidson 1913-07 2916 Inyo Bishop Creek. Comment
  RSA399361  Ranunculus alismifolius var. hartwegii Christopher Davidson 1975-6-6 2720 Lassen 2.8 miles W of Bogard Work Center and roadside rest on Hwy 44. 1684 Comment
  RSA399391  Ranunculus californicus Anstruther Davidson 1890-03 s.n. Los Angeles Los Angeles - Foothills. Comment
  RSA400014  Ranunculus occidentalis var. eisenii Christopher Davidson 1973-5-19 2078 Mendocino E of Willits, on dirt road off Hearst Rd. (Hwy 20). This area to be developed. 762 Comment
  RSA400017  Ranunculus occidentalis var. eisenii Christopher Davidson 1975-6-4 2639 Shasta Hwy 89, 10 miles N of jct with Hwy 299. 915 Comment
  RSA399210  Reseda alba Anstruther Davidson 1920-03 3368 Los Angeles Foot of St. Susanna Pass Comment
  RSA390177  Rhamnus californica Christopher Davidson 1977-6-19 5932 Mendocino Haven's Neck, small peninsula on coast north of Anchor Bay. Comment
  RSA390840  Rhamnus ilicifolia Anstruther Davidson 1892-05 s.n. Los Angeles Burbank. Comment
  RSA391108  Rhamnus ilicifolia Christopher Davidson 1977-5-18 5620 Riverside Santa Ana Mts, Cleveland National Forest, Bear Springs. 1220 Comment
  RSA390156  Rhamnus tomentella subsp. cuspidata Christopher Davidson 1976-6-26 4430 San Bernardino Green Valley Road, 1.4 miles from junction with Highway 18; 1966 Comment
  RSA390158  Rhamnus tomentella subsp. cuspidata Christopher Davidson, Robert F. Thorne 1976-8-14 4614 San Bernardino Fish Cr., on Forest Service Rd 1N05, S of Heart Bar St. Park. 1982 Comment
  RSA390159  Rhamnus tomentella subsp. cuspidata Christopher Davidson 1975-7-13 2990 Ventura Near McGill Campground, W of junc. of campground rd and rd to Mt. Pinos summit. 2172 Comment
  POM132000  Rhododendron occidentale var. californicum Chas. Davidson 1885-07 s.n. Mariposa Yosemite [Historically in Fresno county] Comment
  RSA471033  Rhododendron occidentale var. californicum Anstruther Davidson 1876-7-7 s.n. Yuba Strawberry Valley Comment
  RSA403693  Rhus trilobata var. anisophylla Christopher Davidson, Alan Romspert 1979-5-17 7975 Inyo Panamint Mountains, Johnson Canyon; Trail up the creek to Hungry Bill's. 1189 Comment
  RSA459461  Ribes Anstruther Davidson 1906-6-1 1497 Los Angeles Rock Creek Comment
  RSA476410  Ribes amarum Anstruther Davidson 1891-5-30 s.n. Los Angeles Millards Canyon Comment
  RSA476451  Ribes californicum var. hesperium Anstruther Davidson 1894-02 1837 Los Angeles Millard s Canyon Comment
  SCFS146  Ribes cereum E. Davidson 1964-6-21 621648 Nevada Sagehen Basin, Ca. 0.25 mi from station going W on rd 1951 Comment
  GH380149  Ribes divaricatum var. parishii A. Davidson 1894-01-01 - 1894-02-01 Unknown Los Angeles Comment
  RSA441474  Ribes malvaceum var. viridifolium Anstruther Davidson 1892-6-12 s.n. Los Angeles on Stu trail to Wilson s Peak Comment
  RSA441475  Ribes malvaceum var. viridifolium Anstruther Davidson 1908-5-7 1793 Los Angeles Providence Ranch, Hollywood Comment
  CAS-BOT-BC212606  Ribes montigenum A. Davidson 1896-7-1 s.n. Riverside Summit, San Jacinto Peak Comment
  GH380583  Ribes nevadense A. Davidson 1993-07-01 - 1993-08-01 Unknown Wilson Peak 1219 Comment
  RSA459471  Ribes roezlii Anstruther Davidson 1896-07 1826 Riverside San Jacinto Mtns. Comment
  RSA0018065  Ribes roezlii Anstruther Davidson 1908-07 1833 Tulare Sequoia National Forest. Comment
  RSA0018262  Ribes roezlii Christopher Davidson 1977-5-18 5613 Orange Cleveland National Forest; Santiago Peak (on Orange-Riverside Co. line) 1707 Comment
  CAS-BOT-BC179178  Ribes velutinum A. Davidson 1895-5-1 s.n. Unknown Slopes of [Mohave] Mojave Desert Comment
  SBBG51878  Rorippa curvisiliqua C. Davidson 1975-8-16 3097 San Bernardino E end of Bluff Lake 2316 Comment
  SCFS880  Rorippa curvisiliqua E. Davidson 1964-6-22 6226418 Nevada Sagehen Basin, W end of mdw directly across from station on S side of Sagehen Creek 1951 Comment
  SCFS1096  Rosa californica E. Davidson 1964-7-19 Nevada Found 50' W. of station on road to cabin; soil dry loamy-rocky; shady to sunny; frequent 1951 Comment
  POM365838  Rosa woodsii subsp. gratissima Anstruther Davidson 1893-7-4 s.n. Los Angeles Big Rock. Comment
  POM366454  Rubus glaucifolius Anstruther Davidson 1908-07 1819 Tulare Sierra Camp, Sequoia National Forest. Comment
  POM366421  Rubus parviflorus var. bifarius Christopher Davidson 1976-6-26 4432 San Bernardino Green Valley Road, 1.4 miles from junction with Highway 18. 1966 Comment
  POM366432  Rubus ursinus Anstruther Davidson 1890-06 s.n. Los Angeles Los Angeles. Comment
  RSA770623  Rumex Christopher Davidson, Robert F. Thorne, B. Gustafson 1979-5-22 8133 San Bernardino San Bernardino Mountains, ca. 5 mi S of Hwy 18 on road up Arrastre Canyon. 1128 Comment
  RSA466035  Rumex acetosella Anstruther Davidson 1892-05 s.n. Los Angeles nr: Pasadena. Comment
  RSA466103  Rumex paucifolius Anstruther Davidson 1911-07 s.n. Inyo Andrews Camp. Bishop Creek [Now Bishop]. Comment
  RSA466127  Rumex salicifolius Christopher Davidson 1975-8-30 3245 San Bernardino 7.8 mi. S and W of Onyx Summit on Hwy 38; College Camp Rd. branching S of 38. 1982 Comment
  SBBG51868  Rumex salicifolius C. Davidson 1975-8-30 3245 San Bernardino Wildhorse Crk 7.8 mi S and W of Onyx Summit on Hwy 38, College Camp Rd branching S of Hwy 38 1981 Comment
  RSA466280A  Rumex salicifolius var. denticulatus Christopher Davidson, Robert F. Thorne 1976-8-15 4678 San Bernardino Upper South Fork Meadow, San Gorgonio Wilderness Area. 2439 Comment
  RSA477731  Sagina saginoides Christopher Davidson, R. F. Thorne 1976-8-15 4689 San Bernardino Upper South Fork Meadow, San Gorgonio Wilderness Area. 2439 Comment
  SCFS733  Sagina saginoides E. Davidson 1964-7-17 7176421 Nevada Sagehen Basin, Ca. 0.5 mi SE of station in sm mdw 1951 Comment
  RSA353672  Sagittaria cuneata Christopher Davidson 1975-8-16 3142 San Bernardino E end of Bluff lake, S of Big Bear Lake. 2317 Comment
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Mar 8 2008
  SD107339  Sagittaria cuneata Christopher Davidson 1975-8-16 3142 San Bernardino East end of Bluff Lake, South of Big Bear Lake. 2315 Comment
  RSA401573B  Salazaria mexicana Christopher Davidson, B. Gustafson, D. A. Reynolds 1979-5-9 7872 San Bernardino St Highway 18 up Cushenbury Canyon, ca. 1.7 miles inside San Bernardino Nat l Forest boundary; Dirt rd NE. 1524 Comment
  POM360934  Salix Anstruther Davidson 1920-05 s.n. Los Angeles Crane Lake. Comment
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Jan 15 2015
  POM362636  Salix bonplandiana Christopher Davidson 1975-6-6 2725 Lassen Ca 3.5 miles on road to Thompson Peak. Branching E of rd 204 ca 7.5 miles SW of Susanville. (Rd 204 follows Gold Run Cr.) 1677 Comment
  POM360971  Salix eastwoodiae Anstruther Davidson 1911-07 2622 Inyo South Lake, Bishop Creek. 3049 Comment
  POM360973  Salix exigua Christopher Davidson 1976-5-22 3987 Inyo Ulymeyer Spring, on Waucoba Road, ca. 1 mile E of junction with Westgard Road. Comment
  POM360993  Salix exigua Christopher Davidson 1977-4-7 5593 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. Hillside, N slope. 610 Comment
  POM361011  Salix exigua Anstruther Davidson 1890-5-5 s.n. Ventura Hoppers Ranch. Comment
  POM167258  Salix geyeriana Anstruther Davidson 1911-07 2628 Inyo South Lake, Bishop Creek. 3049 Comment
  POM167256  Salix lemmonii Anstruther Davidson 1911-07 2615 Inyo Andrews Camp. Bishop Creek [Now Bishop]. Comment
  POM362816  Salix lemmonii Christopher Davidson, Robert F. Thorne 1976-8-15 4696 San Bernardino Upper South Fork Meadow, San Gorgonio Wilderness Area. 2439 Comment
  SCFS839  Salix lemmonii E. Davidson 1964-6-19 619643 Nevada Sagehen Basin, 30 yd S of station at edge of mdw 1951 Comment
  SD123898  Salix lemmonii Christopher Davidson, Robert F. Thorne 1976-8-15 4695 San Bernardino San Bernardino Mts. Upper South Fork Meadow, San Gorgonio Wilderness Area, montane meadow 244 Comment
  RSA0036077  Salix lemmonii Christopher Davidson, Robert F. Thorne 1976-8-15 4696 San Bernardino San Bernardino Mts. Upper South Fork Meadow, San Gorgonio Wilderness Area. 2438 Comment
  SCFS64  Salix lutea E. Davidson 1964-7-10 7106426 Nevada Sagehen Basin, Ca. 0.5 mi downstream by beaver pond 1951 Comment
  POM362883  Salix orestera Christopher Davidson 1978-9-10 7466 Mono Trail to Lake Mildred, 1-5 miles SW of Convict Lake, SW of Hwy 395. 2896 Comment
  POM362916  Salix scouleriana Anstruther Davidson 1911-07 2624 Inyo Bishop Creek. Comment
  SEINET12765712  Salsola soda C. Davidson 2010-11-10 11824 Alameda Emery Point, in Emeryville at the city limits north. Edge of San Francisco Bay.; 0 Comment
  UC104493  Salvia A. Davidson Jun 1876 Los Angeles Los Angeles foothills; Los Angeles Comment
  RSA411388  Salvia carduacea Anstruther Davidson 1910-4-24 2405 Inyo Haiwee. Comment
  RSA401466B  Salvia columbariae Anstruther Davidson 1890-04 s.n. Los Angeles [No location information on label.] Comment
  RSA434167  Salvia mellifera Christopher Davidson 1973-6-1 2236 Ventura Sespe Cr, turnoff on dirt road ca 6 mi N of Wheeler Spgs on Hwy 33. Los Padres Nat. For. 915 Comment
  RSA434174  Salvia pachyphylla subsp. pachyphylla Christopher Davidson 1975-8-30 3234 San Bernardino 0.4 mi S of Onyx Summit on Hwy 38. San Gorgonio Wilderness Viewpoint. 2537 Comment
  RSA434175  Salvia pachyphylla subsp. pachyphylla Christopher Davidson 1978-6-18 7300 San Bernardino San Bernardino Mts. Hwy 18, 8.7 mi SE of Lucerne Valley, 0.1 mi inside San Bernardino Nat. Forest. Limestone talus up a small draw on NE side of the road. 1372 Comment
  SD99360  Sambucus nigra subsp. caerulea Christopher Davidson 1977-5-26 5720 San Bernardino Pachalka Spring Desert oasis, Clark Mountain 1490 Comment
  RSA248659  Sanguisorba minor Christopher Davidson 1973-5-22 2096 Shasta Along Cow Creek. Along Hwy 299. Ca 15 miles E of Redding. 518 Comment
  UC1375367  Sanicula arguta C. Davidson 1971-5-7 1509 Los Angeles Santa Catalina Island, at Ben Weston Beach Ben Weston Beach; Santa Catalina Island, Ben Weston Beach 15 Comment
  RSA471453  Sanicula bipinnatifida Christopher Davidson 1973-5-28 2179 Shasta On dirt logging road off St Hwy 299, ca. 1 mi E of Buckhorn Summit. 976 Comment
  RSA471472  Sanicula crassicaulis Christopher Davidson 1977-5-18 5636 Orange Cleveland National Forest, Falcon campground. 1006 Comment
  HSC66534  Sanicula graveolens Christopher Davidson 1977-5-18 5606 Orange Santa Ana Mts. Cleveland Nat. Forest. Santiago Peak (on Orange-Riverside Co. line). 1707 Comment
  RSA471446  Sanicula graveolens Christopher Davidson 1975-6-7 2742 Plumas 3 mi W of rd to Snake Lake, departing to NW of hwy 89 ca 2 mi N of Quincy. 1273 Comment
  RSA458885  Saxifraga californica Anstruther Davidson 1908-04 1822 Los Angeles Hartford[?] Canyon, Hollywood. Comment
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Nov 12 2014
  POM354592  Saxifraga fragosa Christopher Davidson 1973-5-26 2147 Modoc 1 mile N of Adin Summit on St. Hwy 299; Modoc Nat l Forest 1524 Comment
  POM354572  Saxifraga odontoloma Anstruther Davidson 1911-07 2718 Inyo North Lake; Bishop Creek. Comment
  RSA483278  Schismus arabicus Christopher Davidson, Robert Gustafson, Frances Runyan 1973-3-26 1756 Kern 1.5 miles W on dirt rd to fossil diggings off Claymore Rd. Boron Dry Lake region. 17 mi E of Mojave, Mojave Desert. 822 Comment
  RSA386262  Schismus barbatus Christopher Davidson 1973-4-1 1806 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  RSA398878  Schismus barbatus Christopher Davidson 1973-4-1 1807 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  RSA401453  Schismus barbatus Christopher Davidson 1973-4-1 1785 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  RSA366041  Schoenoplectus americanus Christopher Davidson 1973-3-9 1659 Inyo Death Valley National Monument. Travertine Springs, 3.5 miles SE of Furnace Creek Inn in Furnace Creek Wash on State Highway 190. 46 Comment
  RSA366056  Schoenoplectus americanus Anstruther Davidson 1904-5-1 1092 Riverside Palm Springs. Comment
  RSA365998  Schoenoplectus californicus Anstruther Davidson s.n. Los Angeles Playa Del Rey Comment
  RSA233015  Schoenoplectus maritimus Christopher Davidson, Gerald L. Benny 1971-6-15 1554 Orange Carbon Canyon, 1 mile SW of Carbon Canyon mineral spring. Comment
  CAS-BOT-BC110854  Scirpus diffusus A. Davidson 1908-7-1 2110 Tulare Sequoia State Park Comment
  RSA366017  Scirpus microcarpus Christopher Davidson 1975-6-28 2895 Kern Pine Mountain Club, off road 9N05, N slope of Mt. Pinos. Up Zion Way, past water tank. 1768 Comment
  RSA366033  Scirpus microcarpus Anstruther Davidson 1908-07 2111 Tulare Sequoia State Park- - - [illegible] Comment
  RSA425171  Scrophularia californica var. californica Christopher Davidson 1977-6-19 5926 Mendocino Haven's Neck, small peninsula on coast north of Anchor Bay. Comment
  RSA248720  Scrophularia californica var. desertorum Christopher Davidson 1974-6-23 2350 Inyo White mts., on St. Hwy 168, ca. 6 mi. E of Westgard Pass. 2096 Comment
  POM61814  Scutellaria bolanderi Chas Davidson 1885-07 s.n. Madera Coarse Gold Gulch Comment
  SBBG25230  Scutellaria mexicana Leota Davidson 1965-5-13 158 Riverside Joshua Tree Nat Monument Comment
  RSA445338  Scutellaria siphocampyloides Christopher Davidson 1978-6-15 7389 Riverside Santa Rosa Mountains. Santa Rosa Peak. Trail to the top. 2409 Comment
  RSA445349  Scutellaria siphocampyloides Christopher Davidson 1975-6-22 2827 Ventura 2 miles S of Chuchupate Forest Station on road 8N04 to Frazier Mountain. 1509 Comment
  RSA445360  Scutellaria siphocampyloides Christopher Davidson 1976-6-26 4416 San Bernardino ca. 1/4 mile E of Running Springs (Juntion of Hwys 30 &18). on Hwy 18. 1829 Comment
  RSA445351  Scutellaria siphocampyloides Anstruther Davidson 1892-1 s.n. Unknown [No location information on label.] Comment
  RSA0074848  Sedum obtusatum Anstruther Davidson 1908-07 2339 Tulare Sequoia National Park [county not specified]. Comment
  RSA0074874  Sedum radiatum subsp. radiatum Anstruther Davidson 1908-07 1961 Tulare Sequoia National Park [county not specified]. Comment
  UCR208946  Sedum spathulifolium Christopher Davidson 1975-6-7 2739 Plumas Northern Sierra Nevada Mtns., c. 3 mi on dirt road to Snake Lake branching to NW off Hwy 70 c. 2 mi N of Quincy 1273 Comment
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Mar 30 2016
  RSA0081471  Sedum spathulifolium Anstruther Davidson s.n. Humboldt Eel River. Comment
  RSA397640  Sedum spathulifolium Anstruther Davidson 1893-6-12 s.n. Los Angeles Mt. Disappointment. Comment
  CAS-BOT-BC327398  Senecio astephanus Dr. A. Davidson 1892-6-12 s.n. Los Angeles Wilson's Trail Comment
  RSA473033  Senecio bernardinus Anstruther Davidson 1909-07 2159 San Bernardino Bear Valley. 1828 Comment
  RSA271898  Senecio eurycephalus Christopher Davidson 1975-6-4 2592 Modoc 0.4 mile east of Highway 395 on Highway 299 toward Cedarville. Fenced pasture on south side of road. 1380 Comment
  HSC82753  Senecio mohavensis Christopher Davidson 1979-4-4 7728 Riverside Orocopia Mtns., E of Box Canyon on Box Canyon Rd., 15.1 mi. E of Mecca, dirt road to the SE 579 Comment
  RSA0012473  Senecio serra Anstruther Davidson 1911-7-1 2603 Inyo Andrews Camp, Bishop Creek. Comment
  RSA483320  Setaria parviflora Anstruther Davidson 1917-07 3260 Los Angeles Los Angeles Comment
  RSA483322  Setaria parviflora Anstruther Davidson 1917-08 3261 Los Angeles Los Angeles Comment
  RSA447542  Sherardia arvensis Christopher Davidson 1973-5-29 2211 Mendocino W of Leggett on St Hwy 208. 457 Comment
  RSA431918  Sibara rosulata Christopher Davidson 1973-3-9 1649 Inyo Death Valley National Monument. Furnace Creek wash, 1 miles SE of Furnace Creek Inn on State Highway 190 46 Comment
  RSA431919  Sibara rosulata Christopher Davidson 1973-3-9 1673 Inyo Death Valley National Monument, 1 mile SE of Ashford jct. 114 Comment
  RSA448546  Sidalcea Anstruther Davidson 1908-07 1718 Tulare Alta Meadows. Sequoia National Park. Comment
  RSA448548  Sidalcea Anstruther Davidson 1930-7-11 2822 Inyo Bishop Comment
  RSA449557  Sidalcea Anstruther Davidson 1928-07 s.n. Butte Feather River Comment
  RSA432756  Sidalcea malviflora Christopher Davidson 1977-5-18 5635 Orange Cleveland National Forest, Falcon campground. 1006 Comment
  RSA448212  Sidalcea neomexicana subsp. thurberi Anstruther Davidson 1902-07 s.n. Los Angeles Los Angeles. Comment
  RSA477828  Silene Anstruther Davidson 1908-07 1698 Tulare Sequoia National Park [county not specified]. Comment
  RSA477829  Silene Anstruther Davidson 1920-7-1 3393 Fresno Head of King s River Comment
  RSA438832  Silene bernardina Anstruther Davidson 1930-9-1 s.n. Inyo Bishopp Creek Comment
  RSA439072  Silene campanulata Christopher Davidson 1973-5-28 2194 Trinity E of Burnt Ranch on Hwy 299, Trinity River Canyon, Trinity National Forest. 305 Comment
  SBBG54320  Silene gallica C. Davidson 1977-5-25 5642 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
  RSA439084  Silene gallica Anstruther Davidson 1918-06 3320 Los Angeles Exposition Park. Comment
  RSA477902  Silene hookeri Anstruther Davidson 1927-5-26 114 Unknown Redwood Highway. [Possible counties: Del Norte, Humboldt, Mendocino, Sonoma.] Comment
  RSA477944  Silene laciniata subsp. major Anstruther Davidson 1889-07 s.n. Los Angeles Foothills. Los Angeles. Comment
  RSA439081B  Silene latifolia Anstruther Davidson 1908-5-1 2143 Los Angeles Lawn, Alhambra Comment
  RSA438818  Silene lemmonii Anstruther Davidson 1892-6-14 s.n. Los Angeles Wilson's Peak Comment
  RSA478130  Silene menziesii Anstruther Davidson s.n. Inyo Bishop Creek Comment
  RSA438830  Silene menziesii subsp. dorrii Anstruther Davidson 1895-7-5 2196 San Bernardino Bear Valley Comment
  RSA439081A  Silene noctiflora Anstruther Davidson 1908-5-1 2143 Los Angeles Lawn, Alhambra Comment
  RSA438840  Silene parishii Anstruther Davidson 1895-9-1 1888 San Bernardino Bear Valley, San Bernardino Mountains. Comment
  RSA0081488  Silene platyota Christopher Davidson 1975-7-3 2978 Kern Road to Mt Pinos. Steep E slope facing N branch of Seymour Cr, toward Mt Pinos Campgrnd. Los Padres Nat. Forest. 2287 Comment
  RSA438868  Silene verecunda subsp. platyota Anstruther Davidson 1892-8-20 s.n. Los Angeles Wilson's Peak Comment
  RSA438869  Silene verecunda subsp. platyota Anstruther Davidson 1893-6-12 s.n. Los Angeles Mt. Disappointment. Comment
  CAS-BOT-BC75313  Sisymbrium officinale Dr. A. Davidson 1892-5-1 s.n. Los Angeles 4th and Mill Streets, Los Angeles. Comment
  RSA726751  Sisymbrium officinale Anstruther Davidson 1993-05 s.n. Los Angeles 4th & Wall St. Comment
  RSA367002  Sisyrinchium bellum Christopher Davidson 1975-6-29 2922 Kern San Emigdio Canyon, following old Mil Potrero Road, along San Emigdio Creek, Los Padres National Forest. 1677 Comment
  RSA366967  Sisyrinchium bellum Christopher Davidson 1977-6-24 6098 Mendocino Pt. Arena lighthouse, road departing from US 101 ca. 1.5 miles N of Pt. Arena. Comment
  RSA366997  Sisyrinchium idahoense Christopher Davidson, Robert F. Thorne 1976-8-14 4547 San Bernardino San Bernardino Mountains, Fish Creek Meadows, at the end of Forest Service Road 1N05, S of Heart Bar State Park. 2439 Comment
  SCFS5156  Sisyrinchium idahoense E. D. Davidson 1964-6-22 062264 -13 Nevada Found 30 feet south of observing tank by the stream; 12 miles north of Truckee, California 1951 Comment
  RSA427319  Solanum physalifolium var. nitidibaccatum Anstruther Davidson 1889-08 s.n. Los Angeles Los Angeles. Comment
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Dec 27 2018
  RSA427332  Solanum umbelliferum Christopher Davidson 1973-4-1 1810 Riverside Hwy 71/79, appx. 7 mi from jct. of 395 south. 412 Comment
  RSA427368  Solanum umbelliferum Christopher Davidson 1973-6-1 2241 Ventura Sespe Cr, turnoff on dirt road ca 6 mi N of Wheeler Spgs on Hwy 33. Los Padres Nat. For. 915 Comment
  RSA427446  Solanum umbelliferum Anstruther Davidson 1901-07 2303 San Bernardino Bear Valley, San Bernardino Mountains. Comment
  RSA427470  Solanum umbelliferum Christopher Davidson 1975-6-22 2853 Ventura 2 mi S of Chuchupate For. Sta. on rd 8N04 to Frazier Mtn. 1509 Comment
  RSA427472  Solanum umbelliferum Christopher Davidson 1975-6-22 2822 Ventura 2 miles S of Chuchupate Forest Station on road 8N04 to Frazier Mountain. 1509 Comment
  RSA473629  Solidago californica Christopher Davidson 1975-8-30 3229 San Bernardino On road 2N10, 5.1 miles east of junction with road to Clarks Ranch (road 1N54) 2424 Comment
  RSA473663  Solidago canadensis subsp. elongata Anstruther Davidson 1911-07 2602 Inyo Andrews Camp, Bishop Creek. 2439 Comment
  RSA473689  Solidago confinis Anstruther Davidson 1892-08 1991 Los Angeles Cienega Comment
  RSA473711  Solidago multiradiata Anstruther Davidson 1911-07 2601 Inyo Andrews Camp, Bishop Creek. 2439 Comment
  SBBG72739  Solidago velutina var. californica Leota Davidson 1966-7-12 456 Tulare Hassock Meadow at end of Alpine Village Rd, off St Hwy 190 1828 Comment
  RSA474080  Sonchus asper Christopher Davidson 1975-6-29 2944 Kern San Emigdio Canyon, following old Mil Potrero Road, along San Emigdio Creek, Los Padres National Forest. 1677 Comment
  POM366680  Sorbus californica Anstruther Davidson 1908-07 1841 Tulare Sequoia National Forest. Comment
  RSA383718  Sparganium erectum Anstruther Davidson s.n. Los Angeles Glendale. Comment
  RSA383719  Sparganium erectum subsp. stoloniferum Anstruther Davidson 1923-10 3583 Los Angeles Marsh, Playa Del Rey. Comment
  SEINET3123927 Image available Spartina foliosa C. Davidson, B. Ertter 2010-9-2 11810 Alameda Public access trail along the estuary of San Fransisco Bay, SE of Elsie Roemer Bird Santuary, corner of Shoreline Drive and Broadway in Alameda Comment
  RSA0097065  Spergularia Anstruther Davidson 1923-05 s.n. Los Angeles Los Angeles. Comment
  RSA478043  Spergularia macrotheca Anstruther Davidson 1910-4-20 2472 Orange Corona Del Mar Comment
  CAS-BOT-BC5398  Spergularia macrotheca var. leucantha A. Davidson 1926-5-1 3618 Unknown Dry Lakes, Mohave Desert Comment
  SBBG71511  Sphaeralcea ambigua Anstruther Davidson 1895-1 Riverside Palm Springs Comment
  RSA445002  Sphaeralcea ambigua subsp. ambigua Christopher Davidson, B. Gustafson, D. Reynolds 1979-5-9 7894 San Bernardino Apple Valley. St Hwy 18, 1.8 mi E of jct with Bear Valley Cutoff. 945 Comment
  RSA445063  Sphaeralcea ambigua subsp. ambigua Christopher Davidson 1976-6-4 4173 Inyo On Harkless Flat Rd., 0.7 mi S of junction with waucoba Rd. 1982 Comment
  RSA447400  Sphaeralcea rusbyi var. eremicola Christopher Davidson 1977-5-28 5743 San Bernardino North side of Clark Mountain, along Powerline Rd., vicinity of Keany Pass. 1387 Comment
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May 10 2010
  RSA455534  Sphenosciadium capitellatum Christopher Davidson, Robert F. Thorne 1976-8-15 4700 San Bernardino Upper South Fork Meadow, San Gorgonio Wilderness Area. 2439 Comment
  RSA455535  Sphenosciadium capitellatum Christopher Davidson 1975-8-16 3095 San Bernardino E end of Bluff Lake along small forest runoff channel 2-3 ft deep, damp bottom and banks 2317 Comment
  RSA472769  Spiraea densiflora Anstruther Davidson 1908-07 s.n. Tulare Waterfall at Marble Crossing. Sequoia Nat. Park. Comment
  UC57074  Spiranthes romanzoffiana Dr. A. Davidson 1896-1 San Bernardino Bear Valley Comment
  POM7994  Sporobolus airoides Anstruther Davidson 1920-04 s.n. Ventura Simi Ranch. Comment
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Jun 10 2012
  RSA484523  Sporobolus airoides Anstruther Davidson 1920-5-1 s.n. Ventura Simi Ranch. Comment
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Jan 17 2015
  RSA447298  Stachys Anstruther Davidson s.n. Unknown [No location information on label.] Comment
  RSA447299  Stachys R. Davidson 1920-7-1 3395 Fresno Head of Kings River. Comment
  RSA446584  Stachys ajugoides Anstruther Davidson 1921-7-1 3441 Los Angeles Playa del Rey. Comment
  RSA446621  Stachys albens Christopher Davidson 1975-8-16 3162 San Bernardino S. of Big Bear Lake. near junction of private road to Bluff Lake and rd 2N10. Meadow opposite the junction 2325 Comment
  RSA446704  Stachys rigida subsp. rivularis Anstruther Davidson s.n. Unknown N. Cal. Comment
  RSA429806  Stanleya pinnata Anstruther Davidson 1890-1 S.N. Ventura [Piru?] Creek Comment
  RSA429470  Stanleya pinnata var. inyoensis Christopher Davidson 1976-6-5 4220 Inyo Eureka Dune, S end of Eureka Valley. 854 Comment
  RSA478154  Stellaria longipes Christopher Davidson 1975-8-16 3133 San Bernardino NE shore of Bluff Lake, S of Big Bear Lake. 2317 Comment
  RSA478155  Stellaria longipes Christopher Davidson, R. F. Thorne 1976-8-15 4667 San Bernardino Upper South Fork Meadow, San Gorgonio Wilderness Area. 2439 Comment
  RSA478157  Stellaria longipes Christopher Davidson, R. F. Thorne 1976-8-14 4575 San Bernardino Fish Creek Meadows, at the end of Forest Service Road 1N05, S of Heart Bar State Park. 2439 Comment
  CAS-BOT-BC238505  Stemodia durantifolia A. Davidson 1904-1-1 s.n. Riverside Palm Springs Comment
  RSA474176  Stephanomeria cichoriacea Anstruther Davidson 1892-8-20 s.n. Los Angeles Wilson's Trail Comment
  RSA474217  Stephanomeria exigua subsp. coronaria Christopher Davidson 1975-7-13 2982 Ventura Near McGill Campground, W of junc. of campground rd and rd to Mt. Pinos summit. 2172 Comment
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Jul 11 2011
  RSA474209  Stephanomeria exigua subsp. exigua Christopher Davidson 1978-6-18 7287 San Bernardino San Bernardino Mts. Hwy 18 ca. 7.8 miles SE of Lecerne Valley up Cushenbury Grade. 1250 Comment
  RSA474274  Stephanomeria lactucina Christopher Davidson 1974-7-25 2492 Plumas Ca 5 miles W of Westwood on St Hwy 36. 1524 Comment
  RSA474222  Stephanomeria parryi Christopher Davidson, Robert Gustafson, R. F. Thorne 1979-5-22 8048 San Bernardino San Bernardino Mts. Lower, desert slopes toward Apple Valley. Near junction of Flicker & Oriole Rds, off Grapevine Rd. 1136 Comment
  POM361986  Stephanomeria spinosa Christopher Davidson 1970-9-10 7489 Mono Trail to lake Mildred, 1-5 mi SW of Convict lake, SW of Hwy 395. 2287 Comment
  HSC66575  Stipa pulchra Christopher Davidson 1977-5-25 5649 Riverside Mesa de Burro, Santa Rosa Plateau area of the Santa Ana Mtns. 701 Comment
  RSA0036203  Stipa speciosa Christopher Davidson 1977-5-26 5733 b San Bernardino Clark Mtn. Pachalka Spg. 1524 Comment
  RSA0038282  Stipa speciosa Christopher Davidson, B. Gustafson, R. F. Thorne 1979-5-22 8089 San Bernardino San Bernardino Mts. Grapevine Canyon. North desert slope. 7.0 mi S of Hwy 18 on Grapevine Canyon Rd. 1676 Comment
  RSA429484  Streptanthella longirostris Christopher Davidson 1973-4-7 1893 Los Angeles Juniper Hills toward Devil's Punchbowl, east side of San Gabriel Mtns. 1066 Comment
  SBBG70261  Streptanthella longirostris Anstruther Davidson 1895-1 Los Angeles Lancaster Comment
  RSA429485  Streptanthella longirostris Christopher Davidson 1973-4-7 1904 San Bernardino Lucerne Valley, 33 miles from Apple Valley. 854 Comment
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Dec 31 2013
  RSA726753  Streptanthella longirostris Christopher Davidson 1976-5-22 3974 Inyo On Waucoba Rd, ca. 0.4 mi E of junction with Westguard Rd, toward Eureka Dune. 1174 Comment
  RSA429508  Streptanthus bernardinus Christopher Davidson 1976-6-26 4422 San Bernardino Green Valley Road, 1.4 miles from junction with Highway 18. 1966 Comment
  SBBG52708  Streptanthus bernardinus C. Davidson 1976-6-26 4422 San Bernardino Green Valley Rd, 1.4 mi from jct with St Hwy 18 1965 Comment
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Dec 12 2011
  RSA430019  Streptanthus cordatus Christopher Davidson 1970-9-10 7443 Mono Trail to lake Mildred, 1-5 miles SW of Convict Lake, SW of highway 395. Along Convict Creek. 2591 Comment
  RSA393792  Stylocline gnaphaloides Anstruther Davidson 1894-06 s.n. Los Angeles Los Angeles Comment
  RSA390746  Styrax redivivus Anstruther Davidson 1926-5-1 s.n. San Bernardino San Bernardino Mtns. Comment
  RSA438612  Suaeda calceoliformis Anstruther Davidson 1917-09 3280 Los Angeles [**] Slough, Los Angeles [now Dominguez Golf Course] Comment
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Aug 29 2014
  RSA758773  Suaeda esteroa Anstruther Davidson 1931 Orange Newport Comment
  SBBG51940  Symphyotrichum frondosum C. Davidson 1975-8-30 3192 San Bernardino Big Bear Lake, along South Shore Drive 2042 Comment
  RSA474448  Syntrichopappus fremontii Anstruther Davidson 1893-5-12 s.n. Los Angeles Harold. Comment
  RSA474453  Syntrichopappus fremontii Christopher Davidson 1973-3-31 1782 Kern 1.5 miles West on dirt rd to fossil diggings off Claymine Rd. Boron Dry Lake region, 17 miles E of Mojave, Mojave Desert. 823 Comment
  RSA474446  Syntrichopappus lemmonii Anstruther Davidson, H. E. Hasse 1906-6-5 1474 Los Angeles San Gabriel Mountains. By Rock Creek. Comment
  RSA474575  Taraxacum californicum Christopher Davidson 1976-8-14 4577 San Bernardino Fish Creek Meadows, at the end of Forest Service Road 1N05, S of Heart Bar State Park. 2439 Comment
  RSA474577  Taraxacum californicum Anstruther Davidson 1909-07 2161 San Bernardino Bear Valley, San Bernardino Mts. Comment
  SCFS657  Taraxacum officinale E. Davidson 1964-6-19 619644 Nevada Sagehen Basin, Mdw 1951 Comment
  POM368764  Tauschia arguta Christopher Davidson 1973-4-1 1821 Riverside Jct. Vail Lake Marina and Hwy. 71/79, about 3 miles west of Aguanga. 426 Comment
  RSA455483  Tauschia arguta Christopher Davidson 1977-5-18 5617 Riverside Santa Ana Mts, Cleveland National Forest, Bear Springs. 1219 Comment
  RSA466563  Tauschia arguta Christopher Davidson 1973-4-1 1824 Riverside Jct. Vail Lake Marina and Hwy. 71/79, about 3 miles west of Aguanga. 426 Comment
  SBBG45366  Tauschia arguta Leota Davidson 1966-3-6 213 Santa Barbara halfway up Old San Marcos Rd Comment
  RSA455511  Tauschia parishii Christopher Davidson 1978-6-18 7313 San Bernardino Hwy 18, 10.2 mi SE of Lucerne Valley, 1.6 mile inside San Bernardino National Forest, below Whisky Springs, opposite Chicopee Creek & Canyon. 1616 Comment
  POM354776  Tellima grandiflora Christopher Davidson 1973-5-29 2209 Mendocino W of Leggett on St Hwy 208. 457 Comment
  UC36628  Tetradymia axillaris var. longispina Dr. A. Davidson May 1895 Los Angeles Antelope Valley Comment
  RSA474611  Tetradymia axillaris var. longispina Anstruther Davidson 1910-4-25 s.n. Inyo Haiwee Comment
  RSA474626  Tetradymia comosa Anstruther Davidson 1916-07 s.n. Los Angeles Crescenta. Comment
  RSA474628  Tetradymia comosa Anstruther Davidson 1892-05 s.n. Riverside Banning Comment
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Mar 13 2011
  RSA474637  Tetradymia glabrata Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  UC29562  Tetradymia glabrata Dr. A. Davidson 1895-1 Los Angeles Antelope Valley Comment
  RSA263619  Thalictrum fendleri Christopher Davidson, Robert F. Thorne 1976-8-14 4594 San Bernardino San Bernardino Mountains, Fish Creek, on Forest Service Road 1N05, S of Heart Bar St. Park. 1982 Comment
  SD107343  Thalictrum fendleri Christopher Davidson 1976-8-14 4594 San Bernardino San Bernardino Mts. Aspen Grove on Fish Cr., on Forest Service Rd 1N05, S of Heart Bar State Park 1981 Comment
  RSA399546  Thalictrum fendleri var. polycarpum Anstruther Davidson 1922-06 3373 Los Angeles Pacoima Canyon. Comment
  RSA399605  Thalictrum sparsiflorum Christopher Davidson 1976-6-26 4447 San Bernardino E end of Bluff Lake, along a small forest runoff channel 2-3 ft. deep. (Off rd 2N10). 2256 Comment
  SCFS808  Thalictrum sparsiflorum E. Davidson 1964-7-10 7106423 Nevada Sagehen Basin, Ca. 0.5 mi downstream from station 1951 Comment
  RSA430066  Thelypodium integrifolium subsp. affine Anstruther Davidson 1892-7-3 1864 Los Angeles Lancaster. Comment
  RSA429575  Thelypodium laciniatum Christopher Davidson 1976-6-7 4256 Mono Fish Slough Petroglyph site, north of Bishop on Five Bridges Rd. 1341 Comment
  RSA429577  Thelypodium laciniatum Christopher Davidson 1976-6-7 4259 Mono Red Rock Canyon, ca. 6 miles west of Highway 6 on dirt road, junction with Highway 14 ca. 14 miles south of Benton 1829 Comment
  RSA428316A  Thysanocarpus laciniatus Anstruther Davidson 1890-4-1 s.n. Los Angeles [no locality information provided] Comment
  RSA403439  Tidestromia oblongifolia Christopher Davidson 1976-6-5 4232 Inyo On jeep track into the Last Chance Mts, departing from Eureka Dune Rd. 3.4 mi S of its junction with Waucoba-Death Valley Rd. 1036 Comment
  RSA368580  Tiquilia nuttallii Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  SBBG63446  Tiquilia palmeri Anstruther Davidson -May-1893 Riverside Palm Springs Comment
  POM368526  Tiquilia plicata Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-28 7764 Imperial Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob 79 Comment
  POM368537  Tiquilia plicata Anstruther Davidson 1906-04 1457 Riverside Mecca. Comment
  RSA0002361  Tissa leucantha var. glabra Anstruther Davidson 1926-05 3618 Riverside Corona. Comment
  RSA568510  Tofieldia glutinosa subsp. occidentalis Anstruther Davidson 1908-07 1908 Tulare Sequoia National Park Comment
  RSA386592  Toxicodendron diversilobum Anstruther Davidson 1890-05 s.n. Los Angeles Los Angeles. Comment
  RSA459333  Tricardia watsonii Anstruther Davidson 1910-4-24 2449 Inyo Haiwee. Comment
  RSA474763  Trichoptilium incisum Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  RSA475365  Trichoptilium incisum Christopher Davidson, J. Jones 1980-4-4 9956 Riverside Orocopia Mts. West end of the mountains in a small canyon and wash almost due south of Oro Peak. 518 Comment
  SBBG46751  Trichoptilium incisum Leota Davidson 1966-4-5 316 Riverside Wiley Well Rd, second intersection S of Interstate 10, Chuckawalla Mtns Comment
  SD129510  Trichostema lanatum Dolores A. Davidson 1976-6-3 162 Ventura On grass-covered steep embankment, Los Padres national Forest, ca. 2 miles north of Wheeler Gorge Campgroud. 762 Comment
  SBBG45693  Trichostema lanceolatum Leota Davidson -Sep-1966 201 Santa Barbara Santa Ynez Comment
  SBBG45773  Trichostema lanceolatum Leota Davidson 1965-10-9 201 Kern Hwy 466, San Joaquin Valley near Wasco Comment
  RSA440716  Trichostema micranthum Anstruther Davidson 1895-09 2053 San Bernardino San Bernardino Mountains. Bear Valley. Comment
  RSA440718  Trichostema micranthum Christopher Davidson 1976-6-26 4423 San Bernardino Green Valley Road, 1.4 miles from junction with Highway 18; 1966 Comment
  RSA440755  Trichostema oblongum Anstruther Davidson 1925-9-7 s.n. Madera Near Raymond, Yosemite. Comment
  UCR142967  Tridens muticus Christopher Davidson 1977-5-26 5699 San Bernardino Eastern Mojave Desert, Clark Mountain, Pachalka Spring 1646 Comment
  RSA460863  Trientalis latifolia Christopher Davidson 1973-5-28 2180 Shasta On dirt logging road off St Hwy 299, ca. 1 mi E of Buckhorn Summit. 976 Comment
  POM349117  Trifolium depauperatum var. truncatum Anstruther Davidson 1895-4-15 s.n. Los Angeles Fulton Wells Comment
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Jun 24 2016
  POM349115  Trifolium gracilentum Anstruther Davidson 1893-07 s.n. Los Angeles Rock Creek Comment
  POM349434  Trifolium gracilentum Anstruther Davidson 1895-5-4 s.n. Los Angeles Antelope Valley Comment
  POM349435  Trifolium gracilentum Anstruther Davidson 1890-05 s.n. Los Angeles [No location information provided.] Comment
  POM349099  Trifolium longipes Anstruther Davidson 1930-7-11 2704 Inyo Bishop Creek. Comment
  POM349120  Trifolium microcephalum Anstruther Davidson 1909-07 2281 San Bernardino Bear Valley, San Bernardino Mts. Comment
  RSA349503  Trifolium monanthum subsp. grantianum Christopher Davidson 1978-6-24 7374 Ventura Dirt road to Mt Pinos summit and condor observation site, beyond the public parking area, just below the fork in the road. 2591 Comment
  POM349519  Trifolium monanthum subsp. tenerum Anstruther Davidson 1907-07 1692 Tulare Sequoia Natl Park. Clover Creek. Comment
  POM349554  Trifolium willdenovii Anstruther Davidson 1893-05 s.n. Los Angeles Los Angeles. Comment
  POM349122  Trifolium wormskioldii Anstruther Davidson 1909-07 2201 San Bernardino Bear Valley, San Bernardino Mts. Comment
  SD107294  Trifolium wormskioldii Christopher Davidson 1975-8-16 3114 San Bernardino East end of Bluff Lake 2316 Comment
  POM349603  Trifolium wormskioldii Anstruther Davidson 1889-07 s.n. Los Angeles Los Angeles. Comment
  UCD139911  Trillium ovatum Anstruther Davidson 1930-1 s.n. Humboldt Kelseyville. Comment
  RSA439389  Triodanis biflora Anstruther Davidson 2213 San Bernardino San Bernardino Mountains. 7 Oaks meadow. Comment
  RSA439386  Triodanis perfoliata Anstruther Davidson 1910-5-1 2395 Los Angeles Sierra Madre. Comment
  SEINET10459930  Triodanis perfoliata Davidson 1910-5-1 Davidson s.n. Los Angeles SIERRA MADRE Comment
  POM352882  Trisetum spicatum Anstruther Davidson 1896-7-11 3233 Riverside Top of San Jacinto Peak Comment
  RSA233033  Triteleia ixioides subsp. ixioides Christopher Davidson 1965-7-18 199 Santa Clara Old La Honda Road 61 Comment
  RSA377997  Triteleia ixioides subsp. scabra Anstruther Davidson 1927-08 s.n. Fresno Upper Kings River Comment
  RSA378011  Triteleia laxa Anstruther Davidson s.n. Los Angeles Hollywood. Comment
  HSC82912  Trixis californica Christopher Davidson 1979-4-4 7717 Riverside Orocopia Mtns., E of Box Canyon on Box Canyon Rd., 15.1 mi. E of Mecca, dirt road to the SE 579 Comment
  RSA475413  Trixis californica Christopher Davidson, J. Jones 1980-4-4 9960 Riverside Orocopia Mts. West end of the mountains in a small canyon and wash almost due south of Oro Peak. 518 Comment
  SBBG46703  Trixis californica var. californica Leota Davidson 1966-4-3 285 Riverside rest area on S side of Interstate 10 between Desert Center and Wiley Well turn-off 304 Comment
  RSA0002050  Tropidocarpum dubium Anstruther Davidson 1890-04 s.n. Los Angeles [no locality information provided] Comment
  RSA426273  Turricula parryi Christopher Davidson 1975-6-29 2954 Kern Pine Mtn Club, on road 9N05 (Mil Potrero Road) Jct of Tirol Dr . 12.4 miles from Frazier park. 1601 Comment
  RSA433842  Urtica dioica subsp. holosericea Christopher Davidson, Robert F. Thorne 1976-8-14 4558 San Bernardino Fish Creek Meadows, at the end of Forest Service Road 1N05, S of Heart Bar State Park. 2439 Comment
  RSA446070  Urtica dioica subsp. holosericea Christopher Davidson 1977-6-19 5990 Mendocino 2.2 miles east of Gualala on County Road 502; bridge over Gualala River. 15 Comment
  RSA433857  Urtica urens Davidson 1889-1 s.n. Los Angeles [No location information provided.] Comment
  RSA427264  Verbascum virgatum Anstruther Davidson 1890-04 s.n. Los Angeles El Monte. Comment
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Oct 3 2010
  RSA411740  Verbena bracteata Anstruther Davidson 1917-05 3239 Los Angeles Nigger Slough'. [locality name change to'Laguna Dominguez'] Comment
  RSA411742  Verbena bracteata Anstruther Davidson 1891-7-27 s.n. Los Angeles RR Station Temple St., downtown Los Angeles Comment
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Sep 12 2010
  RSA411616  Verbena lasiostachys Christopher Davidson 1973-6-1 2244 Ventura Sespe Cr, turnoff on dirt road ca 6 mi N of Wheeler Spgs on Hwy 33. Los Padres Nat. For. 915 Comment
  RSA411757  Verbena lasiostachys var. lasiostachys Anstruther Davidson 1917-05 3243 Los Angeles Nigger Slough'. [locality name change to'Laguna Dominguez'] Comment
  RSA248665  Verbena lasiostachys var. lasiostachys Christopher Davidson 1974-6-4 2291 Los Angeles Tapia Park, off Malibu Canyon Rd. 46 Comment
  RSA411632  Verbena robusta Christopher Davidson 1975-6-29 2928 Kern San Emigdio Canyon, following old Mil Potrero Road, along San Emigdio Creek, Los Padres National Forest. 1677 Comment
  RSA411640  Verbena scabra Anstruther Davidson 1928 Los Angeles Los Angeles. Comment
  RSA452256  Verbesina encelioides subsp. exauriculata Anstruther Davidson 1918-9-1 s.n. Los Angeles Los Angeles, Van Nuys Comment
  RSA426455  Veronica americana Christopher Davidson 1975-6-28 2887 Kern Pine Mountain Club, off road 9N05, N slope of Mt. Pinos. Up Zion Way, past water tank. 1768 Comment
  RSA426468  Veronica americana Anstruther Davidson 1908-07 1705 Tulare Sequoia National Park. Comment
  RSA426511  Veronica arvensis Anstruther Davidson s.n. Los Angeles Los Angeles. Comment
  RSA426481  Veronica peregrina var. xalapensis Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  RSA263970  Veronica serpyllifolia subsp. humifusa Christopher Davidson, Robert F. Thorne 1976-8-15 4647 San Bernardino Upper South Fork Meadow, San Gorgonio Wilderness Area. 2439 Comment
  RSA426499  Veronica serpyllifolia var. humifusa Christopher Davidson 1975-6-7 2731 Plumas On Humboldt Road, branching W of Hwy 89, W of Lake Almanor. Fanani Meadows. 1524 Comment
  POM349868  Vicia americana Anstruther Davidson 1793 San Bernardino San Bernardino Mts. Comment
  POM349898  Vicia americana Anstruther Davidson s.n. Los Angeles Laurel Canyon, Santa Monica Mts. Comment
  POM349899  Vicia americana Anstruther Davidson 1895-5-3 1794 Los Angeles Gorman Station Comment
  POM349879  Vicia americana Anstruther Davidson 1925-5-1 s.n. San Diego Laguna Mts. Comment
  POM349881  Vicia americana Anstruther Davidson 1925-5-1 s.n. San Diego Laguna Mts. Comment
  RSA349892  Vicia americana var. americana Anstruther Davidson 1925-01 s.n. Lassen Eagle Lake Comment
  RSA397984  Vicia ludoviciana subsp. ludoviciana Anstruther Davidson 1890-06 s.n. Los Angeles Glendale. Comment
  RSA402186  Viola douglasii Anstruther Davidson 1901-07 2271 San Bernardino Bear Valley, San Bernardino Mountains. Comment
  RSA402210  Viola lobata subsp. integrifolia Christopher Davidson 1975-6-4 2647 Shasta 3 mi S of Dickson Flat on Hwy 89. 1220 Comment
  RSA412894  Viola macloskeyi Christopher Davidson, Robert F. Thorne 1976-8-15 4645 San Bernardino San Bernardino Mountains: Lower South Fork Meadow, San Gorgonio Wilderness Area. 2317 Comment
  RSA412897  Viola macloskeyi Anstruther Davidson 1908-07 1814 Tulare Sierra Camp, Sequoia National Forest. Comment
  RSA412688  Viola pedunculata Anstruther Davidson 1890-2-7 1809 Los Angeles East Los Angeles. Comment
  RSA424293  Viola purpurea subsp. mohavensis Anstruther Davidson 1908-06 s.n. Los Angeles Big Rock Creek. Comment
  RSA412747  Viola purpurea subsp. purpurea Anstruther Davidson 1925-05 s.n. San Diego Laguna Mountains Comment
  RSA412773  Viola purpurea subsp. purpurea Christopher Davidson 1977-5-18 5612 Orange Cleveland National Forest; Santiago Peak (on Orange-Riverside Co. line) 1707 Comment
  RSA412744  Viola purpurea subsp. venosa Christopher Davidson 1975-6-4 2609 Modoc 1/4 mi. W of Cedarville on Hwy 299. 1463 Comment
  RSA412791  Viola sheltonii Christopher Davidson 1977-5-18 5610 Orange Cleveland National Forest; Santiago Peak (on Orange-Riverside Co. line) 1707 Comment
  SBBG52717  Viola sheltonii C. Davidson 1977-5-18 5610 Orange Santiago Peak (on Orange-Riverside Co Line) 1706 Comment
  RSA390394  Vitis californica Anstruther Davidson 1908-07 1679 Tulare Sequoia National Park. Comment
  CAS-BOT-BC203200  Vitis girdiana Christopher Davidson 1978-6-18 7317 San Bernardino San Bernardino Mts. Hwy 18, 10.2 mi SE of Lucerne Valley, 1.6 mi inside San Bernardino Nat. Forest. Below Whisky Spgs., opposite Chicopee Cr. & Canyon 1615 Comment
  POM353003  Vulpia octoflora Christopher Davidson 1976-6-4 4193 Inyo Harkless Flat Road, ridge at road's end overlooking Owens Valley. (5.2 miles from junction) 2226 Comment
  RSA415986  Vulpia octoflora Anstruther Davidson 1920-5-1 3380 Unknown Temescal. Comment
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Jan 27 2015
  UC38468  Vulpia octoflora var. hirtella Dr. A. Davidson 4 Riverside Banning Comment
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Mar 13 2011
  RSA453946  Wyethia angustifolia Christopher Davidson 1977-6-19 5958 Mendocino Haven's Neck, small peninsula on coast north of Anchor Bay. Comment
  RSA453949  Wyethia invenusta Anstruther Davidson 1908-07 2058 Tulare Sequoia National Park. Comment
  RSA453938  Wyethia mollis Christopher Davidson 1970-9-10 7478 Mono Trail to Lake Mildred, 1-5 miles SW of Convict Lake, SW of Hwy 395. 2896 Comment
  RSA453939  Wyethia mollis Christopher Davidson 1970-9-10 7478 Mono Trail to Lake Mildred, 1-5 miles SW of Convict Lake, SW of Hwy 395. 2896 Comment
  RSA378469  Xerophyllum tenax Christopher Davidson 1975-6-5 2704 Trinity 3.5 miles south of Scott Mountain Summit on Highway 3 1151 Comment
  POM362054  Xylorhiza tortifolia Christopher Davidson 1976-5-22 4046 Inyo Last Chance Mountains, directly east of Eureka Dune, south end of Eureka Valley. 915 Comment
  POM362055  Xylorhiza tortifolia Anstruther Davidson 1910-4-25 s.n. Inyo Haiwee Comment
  POM362081  Xylorhiza tortifolia Christopher Davidson 1977-5-28 5754 San Bernardino N side of Clark Mountain, along Powerline Road, ca. 6.5 miles E of Keany Pass. 976 Comment
  UC29878  Xylorhiza tortifolia var. tortifolia Dr. A. Davidson June 1874 -Jun 1894 Kern Mohave Comment
  RSA378360  Yucca whipplei var. whipplei Christopher Davidson 1977-5-18 5625 Orange Santa Ana Mts. Cleveland Nat. Forest. Bear Springs 1220 Comment
  HSC46468  Zannichellia palustris Christopher Davidson 1978-6-18 7343 San Bernardino San Bernardino Mtns., Baldwin Lake, 1.3 mi. E of Big Bear City 2043 Comment
  RSA0000367  Zigadenus diegoensis Anstruther Davidson 1924-5-1 3592 San Diego Palomar Mts. Comment
  HSC46680  Zigadenus fremontii Christopher Davidson 1977-6-24 6106 Mendocino Mtn. View Rd. toward Boonville, 4.8 mi. E of Hwy. 101, almost to Titus Heights 457 Comment
  RSA378416  Zigadenus fremontii Anstruther Davidson 1883-5-8 s.n. Los Angeles Laurel Canyon. Comment
  RSA378457  Zigadenus venenosus var. venenosus Anstruther Davidson s.n. Tulare Sequoia National Park. Comment



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