Search Results — 2000 specimen records retrieved (1425 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
  RSA384198  Abies concolor Christopher Davidson 1977-5-27 5784 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
  RSA384203  Abies concolor Anstruther Davidson 1909-07 2179 San Bernardino Bear Valley, San Bernardino Mts. 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
  RSA0025749  Abronia latifolia Christopher Davidson 1977-6-24 6113 Mendocino Russian Gulch State Park and Beach, a few miles north of town of Mendocino. Comment
  RSA460916  Abronia maritima Anstruther Davidson 1890-04 s.n. Los Angeles San Pedro. Comment
  RSA462267  Abronia nana var. covillei Christopher Davidson 1977-5-28 5797 San Bernardino New York Mountains, Keystone Springs, toward head of Keystone Canyon, east side of New York Mts. 1828 Comment
  RSA460955  Abronia pogonantha Anstruther Davidson 1892-07 s.n. Los Angeles Acton Comment
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Jul 2 2009
  RSA414908  Acacia greggii var. arizonica Anstruther Davidson 1892-05 s.n Riverside Banning. Comment
  RSA416151  Acamptopappus shockleyi Christopher Davidson 1977-5-28 5744 San Bernardino North side of Clark Mountain, along Powerline Road, vicinity of Keany Pass. 1387 Comment
  RSA416163  Acamptopappus sphaerocephalus var. sphaerocephalus Anstruther Davidson 1993-4-10 s.n. Riverside Palm Springs. Comment
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Mar 20 2013
  RSA745112  Acer macrophyllum Christopher Davidson 1977-6-24 6088 Mendocino On State Highway 20, 12.4 miles west of Willits, up an abandoned logging road, following a small creek. 305 Comment
  RSA416230  Achillea millefolium Anstruther Davidson 1918-07 2164 San Bernardino Bear Valley. Comment
  RSA416231  Achillea millefolium Anstruther Davidson 1918-07 s.n. San Bernardino Forest Home [now Forest Falls] Comment
  SCFS572  Achillea millefolium E. Davidson 1964-6-29 629644 Nevada Sagehen Basin, Ca 30 yds S of station on mdw edge 1951 Comment
  RSA452609  Achlys triphylla Christopher Davidson 1977-6-20 6029 Sonoma Ridge Crest Rd., on Sea Ranch property south of Gualala River. 30 Comment
  UC60153  Achnatherum coronatum D. A. Davidson Los Angeles Los Angeles Comment
  POM484091  Achnatherum coronatum Anstruther Davidson 1890-05 s.n. Los Angeles [no locality information provided] Comment
  POM365979  Achnatherum hymenoides Christopher Davidson, B. Gustafson, Robert F. Thorne 1979-5-22 8065 San Bernardino Toward Apple Valley, near jct of Flicker and Oriole Rds, off Grapevine Rd. 1136 Comment
  SEINET5585612 Image available Achnatherum lettermanii Christopher Davidson, Robert F. Thorne 1976-1 4675 San Bernardino San Bernardino Mts. Upper South Fork Meadow, San Gorgonio Wilderness Area 2438 Comment
  RSA511010  Achnatherum parishii subsp. parishii Christopher Davidson, Alan Romspert 1979-5-16 7936 Inyo Panamint Mts. Johnson Canyon. Vicinity of lower spring at the end of the road. 20 miles SW of Badwater 1189 Comment
  RSA416304  Achyrachaena mollis Anstruther Davidson s.n. Los Angeles E. Los Angeles. Comment
  RSA423491A  Achyronychia cooperi Anstruther Davidson 1983-4-10 s.n. Riverside Palm Springs. Comment
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Mar 20 2013
  SCFS930  Acmispon americanus E. Davidson 1964-7-22 7226410 Nevada Sagehen Basin, Ca. 50 ft SW of sta by flagpole 1951 Comment
  UC15675  Acmispon argophyllus var. argenteus Dr. A. Davidson 1891-1 5 Los Angeles Catalina Island. Comment
  UC15559  Acmispon dendroideus var. dendroideus Dr. A. Davidson 1895-1 Los Angeles Catalina Comment
  SBBG44749  Acmispon rigidus Leota Davidson 1965-5-11 179 Riverside Joshua Tree Nat Monument Comment
  RSA471672  Acourtia microcephala Anstruther Davidson 1889-06 s.n. Los Angeles Los Angeles. Comment
  POM365577  Actaea rubra subsp. arguta Christopher Davidson 1973-5-29 2199 Mendocino W of Leggett on St Hwy 208. Comment
  RSA390564  Adenostoma fasciculatum Anstruther Davidson 1889-1 s.n. Los Angeles Glendale. Comment
  RSA453191  Adenostoma sparsifolium Anstruther Davidson 1894-1 s.n. San Diego San Julian Comment
  RSA416401  Agoseris heterophylla var. heterophylla Anstruther Davidson 1908-07 s.n. San Bernardino SB [San Bernardino] Mts. 7 Oaks, around cabins Comment
  RSA416424  Agoseris retrorsa Christopher Davidson 1977-5-18 5611 Orange Cleveland National Forest; Santiago Peak (on Orange-Riverside Co. line) 1706 Comment
  RSA416425  Agoseris retrorsa Christopher Davidson 1976-6-9 4390 San Bernardino San Bernardino Mts, Hwy 38 across from jct with Jenks Lake road. 2042 Comment
  UC29380  Agoseris retrorsa Dr. A. Davidson 1895-1-1 Los Angeles Antelope Valley Comment
  RSA416441  Agoseris retrorsa Christopher Davidson 1975-6-22 2860 Ventura 1/2 mile beyond Lookout on Frazier Mtn on rd 8N04B. 2324 Comment
  UCSB50579  Agrostis idahoensis Davidson, Christopher; Thorne, Robert 1976-8-15 San Bernardino San Bernardino Mtns, upper South Fork Meadow, San Gorgonio Wilderness Area. 2682 Comment
  RSA469389  Aliciella latifolia Christopher Davidson 1976-5-22 4034 Inyo Last Chance Mountains, directly east of Eureka Dune, south end of Eureka Valley. 915 Comment
  RSA469448  Aliciella lottiae Christopher Davidson 1976-5-22 4018 Inyo Eureka Dunes, at south end of Eureka Valley. 854 Comment
  RSA353526  Alisma triviale Anstruther Davidson 1913-08 2915 Los Angeles Dominguez Ranch. Comment
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Nov 12 2009
  RSA462621  Allionia incarnata Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  RSA369438  Allium atrorubens var. atrorubens Christopher Davidson 1975-6-8 2787 Mono 2.2 miles N of Conway Summit (8 miles S of Bridgeport) on HWY 395. 2317 Comment
  UC194801  Allium burlewii A. Davidson, M. D. July 1916 3164 Los Angeles Mt. San Antonio Comment
  RSA367079  Allium campanulatum Christopher Davidson 1975-6-29 2912 Kern San Emigdio Canyon, following old Mil Potrero Road, along San Emigdio Creek, Los Padres National Forest. 1585 Comment
  RSA366455  Allium fimbriatum var. fimbriatum Christopher Davidson 1975-6-22 2848 Ventura 2 miles S of Chuchupate Forest Station on road 8N04 to Frazier Mountain 1509 Comment
  RSA366457  Allium fimbriatum var. fimbriatum Christopher Davidson 1975-7-13 3009 Ventura Just off Road 9N24 to summit of Pine Mtn on short side road to S. 2652 Comment
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Jul 27 2006
  RSA367045  Allium fimbriatum var. mohavense Anstruther Davidson 1910-4-25 2447 Inyo Haiwee Comment
  RSA366468  Allium lacunosum var. davisiae Anstruther Davidson 1883-9-1 s.n. Los Angeles Palmdale. Comment
  RSA0000113  Allium montigenum Anstruther Davidson 1914-6-1 2974 Los Angeles San Gabriel Canon. Comment
  RSA366482  Allium parryi Anstruther Davidson 1909-07 2188 San Bernardino Bear Valley Comment
  RSA366483  Allium parryi Christopher Davidson 1978-6-18 7337 San Bernardino Baldwin Lake, 3 miles E of Big Bear City; Broad, level area at the north end of the ''T''-shaped lake. 2043 Comment
  RSA367109  Allium platycaule Christopher Davidson 1973-5-26 2112 Modoc Ca. 4 miles west of Canby on highway 299. 1341 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
  RSA367175  Allium unifolium Christopher Davidson 1977-6-19 5955 Mendocino Haven s Neck, small peninsula on coast north of Anchor Bay. Comment
  RSA385633  Alopecurus aequalis Anstruther Davidson s.n. Unknown [no locality information provided] Comment
  SBBG54318  Alopecurus saccatus C. Davidson 1977-5-25 5648 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
  RSA416874  Amblyopappus pusillus Anstruther Davidson 1891-6-26 s.n. Los Angeles Santa Catalina Island Comment
  RSA416882  Amblyopappus pusillus Anstruther Davidson s.n. Los Angeles E. Los Angeles. 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
  RSA416898  Ambrosia acanthicarpa Anstruther Davidson 1893-09 s.n. Los Angeles Hollywood. Comment
  RSA416956  Ambrosia dumosa Christopher Davidson 1973-3-9 1717 Inyo Death Valley Nat. Mon. Rhodes Wash below jct with Bradbury Wash, 1/2 mi. SW of Jubilee Pass on ST. 178. 457 Comment
  RSA453140  Amelanchier pallida Christopher Davidson 1976-6-9 4373 San Bernardino Dirt road departing from State Hwy 18 at Cushenbury Grade, connecting with Rose Mine road. 2073 Comment
  RSA453141  Amelanchier pallida Anstruther Davidson 2177 San Bernardino Bear Valley 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
  RSA415281  Amorpha californica Anstruther Davidson 1890-06 s.n. Los Angeles Glendale. Comment
  RSA415294  Amorpha californica Christopher Davidson 1976-8-14 4508 San Bernardino Fish Cr., on Forest Service Rd 1N05, S of Heart Bar St. Park. 1981 Comment
  CAS-BOT-BC28274  Amphiscirpus nevadensis A. Davidson 1910-4-25 2458 Inyo Haiwee Creek. Comment
  RSA499935  Amsinckia intermedia Anstruther Davidson 1890-4-6 1821 Los Angeles San Pedro. Comment
  RSA499962  Amsinckia intermedia Anstruther Davidson 1890-05 s.n. Los Angeles Los Angeles. Comment
  POM369918  Amsinckia tessellata Anstruther Davidson 1921-03 s.n. Kern Mojave Desert Comment
  RSA403044  Amsonia tomentosa var. tomentosa Anstruther Davidson s.n. Los Angeles Catalina [Island] Comment
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Sep 23 2017
  UC53649  Andropogon glomeratus var. pumilus Dr. A. Davidson Los Angeles Los Angeles Comment
  POM365639  Anemone occidentalis Anstruther Davidson 1908-07 1812 Tulare Sequoia National Forest. Comment
  RSA503844  Anemopsis californica Christopher Davidson 1975-6-29 2931 Kern San Emigdio Canyon, following old Mil Potrero Road, along San Emigdio Creek, Los Padres National Forest. 1677 Comment
  RSA503865  Anemopsis californica Anstruther Davidson 1890-06 s.n. Los Angeles E. Los Angeles. Comment
  UC30127  Anisocoma acaulis Dr. A. Davidson 1890-1 Kern Mohave Comment
  CAS-BOT-BC69142  Antennaria geyeri Christopher Davidson 1974-7-24 2487 Lassen jCa. 4 mi W of Janesville on rd to Antelope Valley 2133 Comment
  UCR70792  Antennaria rosea Christopher Davidson, R. F. Thorne 1976-8-15 4721 San Bernardino San Bernardino Mtns., Lower South Fork Meadow, San Gorgonio Wilderness Area 2439 Comment
  RSA226628  Anthemis cotula Christopher Davidson, Gerald L. Benny 1971-6-15 s.n. Orange Brea Canyon, 0.5 mile N of Central Avenue, along Brea Creek, near Brea Oil Co. wells. Comment
  RSA416831  Anthemis cotula Anstruther Davidson 1889-1 s.n. Los Angeles [No additional locality data] Comment
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Mar 31 2015
  RSA425787  Antirrhinum coulterianum Anstruther Davidson 1890-04 s.n. Los Angeles Los Angeles. Comment
  RSA425620  Antirrhinum filipes Anstruther Davidson 1927-04 s.n. Riverside Box Canyon Comment
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Nov 12 2011
  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
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Sep 17 2011
  POM354867  Antirrhinum multiflorum Christopher Davidson, B. Gustafson 1975-6-24 2874 Los Angeles Big Tujunga Canyon, ca. 5 mi NE of Sunland on rd 2N78, in a small side canyon running SW. 686 Comment
  POM354918  Antirrhinum nuttallianum subsp. nuttallianum Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  POM354886  Antirrhinum nuttallianum var. nuttallianum Anstruther Davidson 1892-06 s.n. Los Angeles Long Beach Comment
  RSA401387  Apocynum Anstruther Davidson 1928-7-1 s.n. Unknown Feather River [Unknown county; river occupies three counties] Comment
  RSA403078  Apocynum androsaemifolium Davidson 1895-07 s.n. Kern Tehachapi Mts. Comment
  SCFS294  Apocynum androsaemifolium E. Davidson 1964-7-14 714641 Nevada Sagehen Basin, Ca. 0.5 mi E of station on side of rd 1951 Comment
  RSA403108  Apocynum androsaemifolium subsp. pumilum Christopher Davidson, Larry E. DeBuhr 1976-6-26 4469 San Bernardino On St. Hwy 30, ca 0.5 mi S of Green Valley Lake junction. Mixed coniferous forest. 1829 Comment
  RSA403109  Apocynum androsaemifolium subsp. pumilum Christopher Davidson, R. F. Thorne 1976-8-15 4714 San Bernardino San Bernardino Mts., Lower South Fork Meadow, San Gorgonio Wilderness Area. By trail, toward Poopout Hill. 2317 Comment
  RSA403110  Apocynum androsaemifolium subsp. pumilum Anstruther Davidson 1901-07 2267 San Bernardino Bear Valley, San Bernardino Mountains. 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
  POM366974  Aquilegia pubescens Anstruther Davidson 1913-07 2946 Inyo Bishop Creek. Comment
  RSA0001882  Arabis davidsonii Anstruther Davidson 2728 Inyo Bishop Creek. Comment
  RSA0126155  Arabis glabra Anstruther Davidson 1918-07 s.n. San Bernardino Forest Home [now Forest Falls] Comment
  RSA0126440  Arabis hirsuta var. glabrata Christopher Davidson, R. F. Thorne 1976-8-15 4708 San Bernardino San Bernardino Mts., Lower South Fork Meadow, San Gorgonio Wilderness Area. By trail, toward Poopout Hill. 2317 Comment
  RSA263637  Arabis hirsuta var. glabrata Christopher Davidson, R. F. Thorne 1976-8-14 4537 San Bernardino Fish Cr., on Forest Service Rd 1N05, S of Heart Bar St. Park. 1981 Comment
  SCFS118  Arabis holboellii var. pinetorum E. Davidson 1964-7-3 73646 Nevada Sagehen Basin, Around station 1951 Comment
  RSA0129520  Arabis inyoensis Christopher Davidson, Alan Romspert 1979-5-16 7940 Inyo Panamint Mtns. Johnston Canyon. Vicinity of Lower spring at the end of the road. 20 miles SW of Badwater 1189 Comment
  RSA482594  Arabis perennans Anstruther Davidson 1901-07 2252 San Bernardino 7 Oaks. San Bernardino Mountains. Comment
  RSA482595  Arabis perennans Anstruther Davidson 1909-07 2197 San Bernardino Bear Valley. 1828 Comment
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Sep 21 2011
  RSA482597  Arabis perennans Christopher Davidson 1977-5-29 5839 San Bernardino Caruthers Canyon, south end of New York Mountains. 1768 Comment
  RSA0034848  Arabis perennans Christopher Davidson 1977-5-28 5825 San Bernardino Keystone Spring, near head of Keystone Canyon, east side of New York Mountains. 1828 Comment
  RSA0001899  Arabis platysperma var. platysperma Anstruther Davidson 2729 Inyo Lake Sabrina, Bishop Creek. Comment
  RSA271901  Arabis puberula Christopher Davidson 1975-6-4 2605 Modoc 2.2 miles east of Highway 395 on highway 299 towards Cedarville 1494 Comment
  RSA477464  Arabis pulchra Anstruther Davidson 1911-07 2828 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
  RSA482634  Arabis pulchra var. pulchra Christopher Davidson, B. Gustafson, D. Reynolds 1979-5-9 7869 San Bernardino St Highway 18 up Cushenbury Canyon, ca. 1.7 miles inside San Bernardino Nat l Forest boundary; Dirt rd NE. 1524 Comment
  POM367498  Arctostaphylos columbiana Christopher Davidson 1977-6-24 6086 Mendocino On St. Hwy 20, 7.8 miles W of Willits. 610 Comment
  POM367314  Arctostaphylos glauca Anstruther Davidson 1892-05 1765 Riverside Banning. Comment
  RSA367301  Arctostaphylos glauca Anstruther Davidson 1892-8-22 1769 Los Angeles Wilson's Peak Comment
  SCFS268  Arctostaphylos nevadensis E. Davidson 1964-6-23 623648 Nevada Sagehen Basin, 3rd turnoff from rd W of station, across SH Ck, ca. 3.5 mi from station 2042 Comment
  POM367389  Arctostaphylos patula subsp. platyphylla Christopher Davidson 1978-6-15 7384 Riverside Santa Rosa Mts. Road from Hwy 74 to Sta Rosa Mt., ca. 2 mi W of junction to Sta Rosa Spgs Campground. 2087 Comment
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Jul 21 2021
  POM367436  Arctostaphylos pringlei subsp. drupacea Anstruther Davidson 1899-5-4 184 San Diego Base of Coronado Incline Comment
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Nov 5 2016
  RSA423540  Arenaria Anstruther Davidson 1911-07 s.n. Inyo Andrews Camp. Bishop Creek [Now Bishop]. Comment
  RSA471392  Arenaria kingii subsp. compacta Christopher Davidson 1976-5-23 4067 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
  HSC66555  Argemone corymbosa Christopher Davidson 1977-5-29 5855 San Bernardino E Mojave Desert, 2 mi. S of Kelso on Kelbaker Rd., E of Kelso Dunes 671 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
  SBBG52205  Argemone munita C. Davidson 1975-8-30 3214 San Bernardino USFS Rd 2N10 at jct with rd to Clark's Ranch, 1.9 mi E of Bluff Lake 2363 Comment
  SD107302  Argemone rotundata Christopher Davidson 1975-8-30 3214 San Bernardino On Road 2N10 at junction with road to Clark's Ranch, 1.9 mile east of Bluff Lake. 2362 Comment
  RSA686636  Argyrochosma jonesii Anstruther Davidson 1893-4-10 114 Riverside Palm Springs. Comment
  RSA385037  Aristida Christopher Davidson 1977-5-26 5681 San Bernardino Clark Mountain, Pachalka Spring. 1524 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
  RSA417124  Arnica chamissonis subsp. foliosa Christopher Davidson 1975-8-16 3123 San Bernardino E end of Bluff Lake on drying grassland margins of small forest runnoff channel. 2317 Comment
  RSA417125  Arnica chamissonis subsp. foliosa Anstruther Davidson 1909-07 2157 San Bernardino Bear Valley Dam Comment
  SCFS583  Arnica chamissonis subsp. foliosa E. Davidson 1964-7-10 7106425 Nevada Sagehen Basin, Ca. 0.5 mi downstream from station 1951 Comment
  RSA417127  Arnica chamissonis subsp. foliosa Anstruther Davidson 1911-07 2572 Inyo Bishop Creek. Comment
  RSA417138  Arnica cordifolia Anstruther Davidson 1926-8-1 s.n. Inyo South Fork of Bishop Creek. Comment
  RSA417146  Arnica discoidea Christopher Davidson 1975-6-6 2707 Trinity 13.7 mi N of Weaverville on Hwy 3. 823 Comment
  RSA417153  Arnica mollis Anstruther Davidson 1920-07 s.n. Fresno Kings River Comment
  RSA417213  Artemisia Anstruther Davidson 1928-7-1 s.n. Unknown Feather River [Unknown county; river occupies three counties] Comment
  RSA417258  Artemisia californica Anstruther Davidson 1889-10 s.n. Ventura Ventura Mtns. Comment
  RSA417279  Artemisia douglasiana Anstruther Davidson 1901-8-1 623 Los Angeles El Monte. Comment
  RSA417322  Artemisia dracunculus Anstruther Davidson 1911-7-1 2564 Inyo Bishop Creek. Comment
  UC449643  Artemisia dracunculus A. Davidson, M. D. 1911-7-1 2564 Inyo Bishop Creek 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
  RSA478873  Arthrocnemum subterminale Anstruther Davidson 1914-10-1 2988 Orange Newport Comment
  RSA416091  Asarum caudatum Christopher Davidson 1973-5-29 2204 Humboldt Ca. 2 mi S of Carlotta on St. Hwy 36. Comment
  RSA416102  Asarum hartwegii Anstruther Davidson 1908-07 s.n. Tulare Sequoia National Forest. Comment
  RSA401651C  Asclepias californica Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  SD121980  Asclepias californica Leota Davidson 1967-5-28 400 Ventura Five miles east of Wagon Road Camp number 1 on Ozena-Frazier Road. 1465 Comment
  SEINET10580743  Asclepias californica subsp. californica Christopher Davidson, B. Gustafson; D. Reynolds 1979-5-9 Davidson 7868 San Bernardino St. Highway 18 up Cushionbury Canyon, ca 1.7 mi inside San Bernardino Nat. Forest boundary, dirt road NE 1524 Comment
  RSA401676A  Asclepias eriocarpa Christopher Davidson, John A. Churchill 1976-9-16 4732 Kern 1.2 mi. W of Frazier Park on paved road. 1570 Comment
  RSA401108  Asclepias subulata Christopher Davidson 1979-4-28 7768 Imperial Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob 79 Comment
  RSA417620  Aster alpigenus Anstruther Davidson 1908-07 2070 Tulare Sequoia National Forest. Comment
  RSA351094  Aster frondosus Christopher Davidson 1975-8-30 3192 San Bernardino Big Bear Lake, South Shore Dr. Along beach to N of rd., ca. 100 yds E of dam 2043 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
  RSA415772  Astragalus acutirostris Christopher Davidson 1976-5-17 3937 -b Inyo U.S. Naval Ordinance Test Station. Sheep Canyon (also called Renegade Canyon) petroglyph site. 1555 Comment
  RSA415784  Astragalus bolanderi Anstruther Davidson 1921-07 3464 Mariposa Yosemite Comment
  RSA415437  Astragalus coccineus Christopher Davidson, Alan Romspert 1979-5-16 7907 Inyo Panamint Mts. Johnson Canyon. Vicinity of lower spring at the end of the road. 20 miles SW of Badwater. 1189 Comment
  RSA415462  Astragalus didymocarpus var. didymocarpus Anstruther Davidson 1920-1 s.n. Los Angeles Playa Del Rey Comment
  RSA415463  Astragalus didymocarpus var. didymocarpus Anstruther Davidson, H. E. Hasse 1906-6-8 1494 Unknown Dry Rock Creek Comment
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Mar 26 2016
  RSA415470  Astragalus didymocarpus var. didymocarpus Christopher Davidson 1973-3-26 1757 Kern Boron Dry Lake region, 3 miles on dirt road to fossil diggings off Claymine Road, 17 miles E of Mojave. 823 Comment
  RSA415493  Astragalus douglasii Christopher Davidson 1978-6-15 7394 Riverside Santa Rosa Mountains. Santa Rosa Peak. Trail to the top. 2409 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
  RSA415515  Astragalus gambelianus Anstruther Davidson 1891-6-26 s.n Los Angeles Santa Catalina Island Comment
  SBBG25189  Astragalus layneae Leota Davidson 1966-4-9 236 San Bernardino near Dead Man's Point on Hwy 18, E of Victorville Comment
  RSA415576  Astragalus lentiginosus var. albifolius Anstruther Davidson 1922-05 3521 Los Angeles Lancaster. 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
  RSA415543  Astragalus lentiginosus var. fremontii Christopher Davidson 1976-6-8 4310 Inyo On Hwy 190 (to Death Valley), 6.4 mi. E of junction with Hwy 136 (from Lone Pine). 1357 Comment
  RSA415542  Astragalus lentiginosus var. fremontii Christopher Davidson 1976-6-4 4185 Inyo On Harkless Flat Rd., 3.9 mi S of junction with Waucoba Rd. 2165 Comment
  SEINET4032028  Astragalus lentiginosus var. fremontii C. Davidson 1976-1 3989 Inyo On Waucoba Rd. ca. 14.2 miles east of junction with Westgard Rd. near junction to Saline Va. 1981 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
  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
  SEINET4032018  Astragalus lentiginosus var. variabilis C. Davidson 1973-1 1986 San Bernardino Joshua Tree National Monument. 1-5miles southeast of entrance to the park. 1219 Comment
  SD107330  Astragalus malacus Christopher Davidson 1975-6-7 2748 Lassen 1 mile east of Beckwourth Pass on Hwy 70, high steppe or rolling grassland, unfenced on south side of road, in dry channel at lower end of gentle slope 1524 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
  RSA233032  Astragalus nuttallii Christopher Davidson 1965-4-2 8 Monterey 17 Mile Drive, 3 miles SW of Pacific Grove at Point Joe Comment
  RSA415382  Astragalus oocarpus Anstruther Davidson 1930-1-25 s.n. San Diego [Pine?] Valley. 1224 Comment
  RSA415832  Astragalus oocarpus Anstruther Davidson 1925-5-1 s.n. San Diego Pine Valley, Palomar Mts. Comment
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Dec 3 2014
  UC574564  Astragalus preussii var. laxiflorus A. Davidson Los Angeles Antelope Valley Comment
  RSA415761  Astragalus trichopodus Anstruther Davidson 1891-06 s.n. Los Angeles Catalina Island. Comment
  RSA415752  Astragalus trichopodus var. lonchus Anstruther Davidson 1925-5-1 s.n. San Diego Pine Valley, Palomar Mts. Comment
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Dec 3 2014
  UC13324  Astragalus trichopodus var. phoxus Dr. A. Davidson 1895-1 Los Angeles Antelope Valley Comment
  SBBG52700  Athyrium filix-femina var. cyclosorum C. Davidson, R. F. Thorne 1976-8-15 4704 San Bernardino lower South Fk Meadow, San Gorgonio Wilderness 2316 Comment
  RSA482798  Athysanus pusillus Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. 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
  RSA452453  Atriplex Anstruther Davidson s.n. Los Angeles San Gabriel Mountains. Comment
  RSA452418  Atriplex canescens subsp. canescens Christopher Davidson, Alan Romspert 1979-5-17 7998 Inyo Panamint Mountains, 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
  RSA411854  Atriplex patula subsp. patula Anstruther Davidson 1892-4-1 s.n. Los Angeles [Unspecified] Comment
  RSA478431  Atriplex serenana Anstruther Davidson 1919-1 s.n. Los Angeles Streets, Los Angeles. Comment
  RSA453973  Atriplex watsonii Anstruther Davidson 1896-10 2940 Los Angeles San Pedro. Comment
  UCR137143  Avena fatua Anstruther Davidson 1917-1 3217 Los Angeles Alvarado St.[crosses Wilshire Blvd. at Macarthur Park], Los Angeles 122 Comment
  SBBG72744  Ayenia compacta Anstruther Davidson 1894-1 Riverside Palm Springs Comment
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Aug 28 2011
  POM350330  Baccharis emoryi Anstruther Davidson 1893-5-28 2013 Los Angeles Long Beach Comment
  RSA511009  Baccharis emoryi Christopher Davidson, Alan Romspert 1979-5-16 7948 Inyo Panamint Mountains, Johnson Canyon. Vicinity of lower spring at the end of the road. 20 miles SW of Badwater. 1189 Comment
  POM350355  Baccharis salicifolia Anstruther Davidson 1917-10 3300 Los Angeles Wilshire Blvd, Los Angeles Comment
  POM350612  Bahia dissecta Christopher Davidson 1976-9-15 4730 San Bernardino San Bernardino Mts. Lowe S Fork Meadow, San gorgonio Wilderness Area 2317 Comment
  SBBG51654  Bahiopsis reticulata C. Davidson 1976-6-8 4331 Inyo Trona-Wildrose Cyn Rd, ca. 7.3 mi N of jct with Panamint Valley Rd 982 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
  POM350741  Balsamorhiza hookeri Christopher Davidson 1975-6-4 2600 Modoc 0.4 miles E of Hwy 395 on Hwy 299 toward Cedarville. 1380 Comment
  POM350740  Balsamorhiza hookeri var. lagocephala Christopher Davidson 1973-5-26 2116 Modoc 4 miles W of Canby on Hwy 299. 1341 Comment
  RSA482817  Barbarea orthoceras Christopher Davidson, R. F. Thorne 1976-8-15 4661 San Bernardino Upper South Fork Meadow, San Gorgonio Wilderness Area. 2439 Comment
  SCFS885  Barbarea orthoceras E. Davidson 1964-6-19 619642 Nevada Sagehen Basin, Ca. 30 yd E of station in mdw 1951 Comment
  RSA439758  Batis maritima Anstruther Davidson 1907-9-1 1769 Orange Newport Comment
  POM350772  Bebbia juncea Anstruther Davidson 1906-5-3 s.n. Riverside Thermal Comment
  POM350773  Bebbia juncea Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. 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
  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
  RSA423231  Beta vulgaris Anstruther Davidson 1893-05 s.n. Los Angeles Los Angeles. Comment
  RSA369950  Betula occidentalis Anstruther Davidson 1911-07 2617 Inyo Bishop Creek Comment
  SCFS86  Bistorta bistortoides E. Davidson 1964-6-16 616642 Nevada Sagehen Basin, Ca. 60 yds SE of station in moist mdw 1951 Comment
  POM351054  Blennosperma nanum Anstruther Davidson 1892-4-9 s.n. San Francisco South San Francisco. Comment
  RSA367338  Bloomeria crocea var. aurea Anstruther Davidson 1907-07 2243 San Bernardino Seven Oaks. Comment
  RSA367318  Bloomeria crocea var. crocea Anstruther Davidson s.n. Los Angeles Los Angeles 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
  RSA462665  Boerhavia annulata Christopher Davidson 1976-6-8 4328 Inyo On Trona Rd.-Wild Rose Canyon Rd., 3.1 mi N of junction with Panamint Valley rd. 640 Comment
  RSA462664  Boerhavia annulata Anstruther Davidson 1928-3-28 114 Inyo floor of Death Valley and Furnace Creek 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
  UCR130147  Bolboschoenus maritimus subsp. paludosus Christopher Davidson, Gerald L. Benny 1971-6-15 1554 Orange Carbon Canyon, 1 mile SW of Carbon Canyon mineral spring 183 Comment
  RSA385897  Bothriochloa barbinodis Anstruther Davidson 1890-05 s.n. Los Angeles [no locality information provided] Comment
  RSA466770  Boykinia rotundifolia Christopher Davidson, B. Gustafson 1975-6-24 2869 Los Angeles Big Tujunga Canyon, ca. 5 miles NE of Sunland on Road 2N78, in a small side canyon running SW. 686 Comment
  JEPS124511 Image available Brasenia schreberi Brad Davidson 1973-7-19 Plumas Plumas National Forest, Butterfly Valley. 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
  POM351165  Brickellia oblongifolia var. linifolia Christopher Davidson 1976-6-8 4335 Inyo Death Valley Nat. Mon. Road to Mahogany Flat. Opposite the charcoal kilns. 1982 Comment
  RSA376789  Brodiaea terrestris subsp. kernensis Anstruther Davidson 1892-03 s.n. Los Angeles Sunnyside Los Angeles Comment
  UC50578  Bromus berteroanus Dr. A. Davidson Riverside Banning Comment
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Mar 21 2011
  UC53323  Bromus berteroanus Dr. A. Davidson Riverside Banning Comment
  UCSB50564  Bromus canadensis Christopher Davidson and Robert F. Thorne 1976-8-15 4712 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 2317-2439 Comment
  RSA385309  Bromus carinatus Anstruther Davidson 1911-07 2531 Inyo Bishop Creek. 1524 Comment
  RSA385311  Bromus carinatus Anstruther Davidson 1895-5-3 s.n. Los Angeles Gorman Hills, Antelope Valley. Comment
  POM364018  Bromus catharticus Anstruther Davidson 1917-04 3179 Los Angeles E. 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
  RSA364051  Bromus grandis Anstruther Davidson 1992-04 s.n. Los Angeles Los Angeles. Comment
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Aug 11 2012
  POM363863  Bromus hordeaceus Anstruther Davidson 1890-04 s.n. Los Angeles Los Angeles. Comment
  UC50583  Bromus hordeaceus Dr. A. Davidson Riverside Banning Comment
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Mar 21 2011
  SCFS757  Bromus tectorum E. Davidson 1964-7-19 719647 Nevada Sagehen Basin, 50' W of station on rd to cabin 1951 Comment
  RSA405291  Caesalpinia virgata Anstruther Davidson 1903-5-3 s.n Riverside Thermal. Comment
  SCFS735  Calandrinia ciliata E. Davidson 1964-6-27 627642 Nevada Sagehen Basin, Dry mdw 0.75 mi W of station 1951 Comment
  RSA466585  Calandrinia maritima Anstruther Davidson 1930-05 s.n. Ventura Ventura on the coastline Comment
  RSA352846  Calocedrus decurrens Anstruther Davidson 1893-7-4 s.n. Los Angeles Big Rock. Comment
  RSA369027  Calochortus Anstruther Davidson s.n. Unknown [no locality information provided] Comment
  GH357307  Calochortus catalinae A. Davidson 1894-05-01 - 1894-06-01 3962 Unknown Los Angeles, Los Angeles, Cal. Comment
  RSA377322  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
  RSA369025  Calochortus invenustus Anstruther Davidson s.n. Los Angeles Mt. Baldy, San Gabriel Mountains., Los Angeles/San Bernardino County. 2744 Comment
  RSA377357  Calochortus invenustus Christopher Davidson 1975-7-13 2987 Ventura Mt. Pinos, near Pine Mountain Camp, SE slope. 2172 Comment
  SBBG57686  Calochortus kennedyi Anstruther Davidson -Jun-1893 Los Angeles Lancaster Comment
  UC3402  Calochortus kennedyi A. Davidson Jul 1895 Los Angeles Antelope Valley Comment
  RSA377369  Calochortus kennedyi Anstruther Davidson 1910-4-24 2403 Inyo Haiwee. Comment
  RSA377414  Calochortus palmeri var. palmeri Christopher Davidson 1978-6-18 7328 San Bernardino Baldwin lake, 3 mi E of Big Bear City. 2043 Comment
  GH29854  Calochortus plummerae A. Davidson 1891-6-23 Unknown Los Angeles Comment
  RSA377428  Calochortus plummerae Anstruther Davidson 1892-06 s.n. Los Angeles Los Angeles Comment
  RSA377442  Calochortus striatus Anstruther Davidson 1893-5-10 s.n. Los Angeles Lancaster. Comment
  POM29888  Calycadenia tenella Anstruther Davidson 1892-1 s.n. Los Angeles Glendale. Comment
  POM351410  Calycoseris parryi Anstruther Davidson 1910-4-25 2438 Inyo Haiwee Comment
  RSA0095350  Calystegia felix Anstruther Davidson 1902-05 1892 Los Angeles Riviera [Pico Rivera]. Comment
  RSA422184  Calystegia longipes Anstruther Davidson 1875-7-5 1893 Kern Tehachapi Comment
  RSA422172  Calystegia macrostegia subsp. arida Anstruther Davidson 1892-05 s.n. Riverside Banning. 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
  SBBG54338  Calystegia macrostegia subsp. arida C. Davidson 1977-5-25 5655 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
  SEINET4077335  Calystegia macrostegia subsp. arida C. Davidson 1975-1 2806 Riverside Roughly four miles south of Banning on road R1 to Idyllwild. 1127 Comment
  CAS-BOT-BC37001  Camelina microcarpa A. Davidson 1898-6-1 s.n. Unknown Rock Creek, Mojave Desert. 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
  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
  RSA466019  Camissonia brevipes subsp. brevipes Christopher Davidson 1977-5-26 5685 b Riverside Eastern Mojave Desert, Clark Mountains. Pachalka Spring, limestone hillside. 1524 Comment
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Nov 30 2014
  HSC66473  Camissonia cardiophylla Christopher Davidson, Josephine Jones 1980-4-4 9937 Riverside W end of Orocopia Mtns., canyon and wash almost due S of Oro Peak Comment
  RSA454732  Camissonia cardiophylla Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  RSA454733  Camissonia cardiophylla Anstruther Davidson 1903-05 s.n. Riverside Martinez Canon, Thermal. Comment
  RSA454767  Camissonia cardiophylla subsp. robusta Christopher Davidson, Alan Romspert 1979-5-17 7964 Inyo Panamint Mts. Johnson Canyon. Various points along the road up Johnson Canyon wash, Ca. 6.9 miles from the junction. 869 Comment
  RSA454786  Camissonia chamaenerioides Christopher Davidson 1977-5-26 5704 San Bernardino Clark Mountains; Pachalka Spring. 1524 Comment
  RSA449182  Camissonia claviformis subsp. aurantiaca Anstruther Davidson 1903-5-1 s.n. Riverside Thermal Comment
  RSA449183  Camissonia claviformis subsp. aurantiaca Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  RSA449198  Camissonia claviformis subsp. aurantiaca Anstruther Davidson 1910-4-24 s.n. Inyo Haiwee. Comment
  RSA449199  Camissonia claviformis subsp. aurantiaca Christopher Davidson 1973-3-26 1771 Kern Boron Dry Lake region, off dirt road off Claymine Rd., Mojve Desert. 823 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
  RSA454075  Camissonia graciliflora Anstruther Davidson 1907-6-12 1699 Kern Tehachapi E of Town. 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
  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
  RSA449013  Camissonia intermedia Anstruther Davidson 1905-1 1435 Los Angeles Hollywood. Comment
  RSA449032  Camissonia micrantha Anstruther Davidson 1907-04 1754 Los Angeles Hollywood. Comment
  RSA449250  Camissonia pallida subsp. hallii Anstruther Davidson 1929-04 s.n. Riverside Morongo Canyon. Comment
  RSA449256  Camissonia pallida subsp. hallii Christopher Davidson 1973-4-7 1911 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
  POM86362  Camissonia pallida subsp. pallida Anstruther Davidson 1926-3-1 3613 Riverside Colorado Desert. Comment
  RSA449229  Camissonia pallida subsp. pallida Christopher Davidson 1973-4-1 1888 Los Angeles 1 mi south of Littlerock. 762 Comment
  RSA449243  Camissonia pallida subsp. pallida Anstruther Davidson 1904-5-1 1090 Riverside Palm Springs. Comment
  RSA449270  Camissonia palmeri Anstruther Davidson 1893-5-10 s.n. Los Angeles Lancaster. Comment
  RSA449271  Camissonia palmeri Christopher Davidson, B. Gustafson, D. Reynolds 1979-5-9 7881 San Bernardino Apple Valley. St Hwy 18, 1.8 mi E of jct with Bear Valley Cutoff. 945 Comment
  SCFS951  Camissonia subacaulis E. Davidson 1964-6-21 6216413 Nevada Sagehen Basin, W side of sm mdw at top of ridge ca 1 mi NW of station 2042 Comment
  SBBG44520  Camissoniopsis cheiranthifolia subsp. suffruticosa Leota Davidson 1966-6-12 412 Ventura Ventura Marina Comment
  RSA456172  Campanula prenanthoides Anstruther Davidson 1918-07 3350 Humboldt Eel River. Comment
  SEINET10462910  Campanula prenanthoides Davidson Davidson 1802 Unknown GIANT NAT. PARK 6500 Comment
  SEINET10463262  Campanula prenanthoides Davidson Davidson 1802 Unknown Giant National park 1981 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
  UC9908  Canbya candida A. A. Davidson May 1894 Los Angeles Lancaster Comment
  UC9910  Canbya candida A. Davidson May 1893 Los Angeles Lancaster Comment
  SBBG25150  Cardamine californica Leota Davidson 1966-3-6 211 Santa Barbara rd not far from Paradise Camp Comment
  POM369336  Cardamine californica var. integrifolia Christopher Davidson 1977-6-24 6090 Mendocino On State Highway 20, 12.4 miles west of Willits, up an abandoned logging road, following a small creek. 305 Comment
  RSA364570  Carex Anstruther Davidson 1908-07 2134 Tulare Sequoia National Park Comment
  RSA364571  Carex Anstruther Davidson 1908-07 2136 Tulare Sequoia National Park Comment
  RSA364592  Carex alma Christopher Davidson, John A. Churchill 1976-9-16 4744 Ventura On S side of road to Mt. Pinos summit, ca. 1.1 mi S of parking lot at the end of the pavement. 2401 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
  RSA263931  Carex aurea Christopher Davidson, Robert F. Thorne 1976-8-15 4628 San Bernardino San Bernardino Mountains, Lower South Fork Meadow, San Gorgonio Wilderness Area. 2317 Comment
  RSA263954  Carex aurea Christopher Davidson, Robert F. Thorne 1976-8-15 4656 San Bernardino San Bernardino Mountains, Upper South Fork Meadow, San Gorgonio Wilderness Area. 2439 Comment
  RSA364605  Carex aurea Anstruther Davidson 1911-07 2542 Inyo Andrews Camp. Bishop Creek [Now Bishop]. Comment
  RSA364612  Carex barbarae Anstruther Davidson 1890-1 s.n. Los Angeles Cienega. Comment
  RSA364620  Carex bolanderi Christopher Davidson 1977-6-24 6093 Mendocino On State Highway 20, 12.4 miles W of Willits. 305 Comment
  SCFS9  Carex capitata E. Davidson 1964-7-10 7106419 Nevada Sagehen Basin, 250 yd downstream from station on S side of stream 1951 Comment
  SCFS7  Carex cusickii E. Davidson 1964-6-23 623644 Nevada Sagehen Basin, N side of Sagehen Creek, directly S of station 1951 Comment
  RSA364563  Carex disperma Anstruther Davidson 1913-07 2901 Inyo Lake Sabrina, Bishop Creek. Comment
  SCFS8  Carex douglasii E. Davidson 1964-6-23 623646 Nevada Sagehen Basin, Mdw directly S and across ck from station 1951 Comment
  RSA364760  Carex echinata subsp. echinata Anstruther Davidson 1908-07 2125 Tulare Sequoia National Park Comment
  RSA364632  Carex fracta Christopher Davidson 1976-6-26 4418 San Bernardino ca. 1/4 mile E of Running Springs (Juntion of Hwys 30 &18). on Hwy 18 1829 Comment
  SBBG52701  Carex globosa C. Davidson 1977-5-18 5621 Orange Bear Springs, Santa Ana Mtns 1219 Comment
  CAS-BOT-BC22121  Carex heteroneura A. Davidson 1911-7-1 2547 Inyo Andrews Camp. Bishop Creek. Comment
  RSA364529  Carex heteroneura Anstruther Davidson 1908-07 2123 Tulare Sequoia National Park 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
  RSA364588  Carex jonesii Christopher Davidson 1976-8-15 4673 San Bernardino San Bernardino Mountains, Upper South Fork Meadow, San Gorgonio Wilderness Area. 2439 Comment
  RSA364589  Carex jonesii Christopher Davidson, Robert F. Thorne 1976-8-15 4643 San Bernardino San Bernardino Mountains, Lower South Fork Meadow, San Gorgonio Wilderness Area. 2317 Comment
  RSA364773  Carex mariposana Christopher Davidson 1975-8-16 3109 San Bernardino E end of Bluff Lake, S of Big Bear Lake. 2317 Comment
  RSA364645  Carex multicaulis Anstruther Davidson 1893-6-12 s.n. Los Angeles Mt. Disappointment Comment
  RSA364667  Carex nebrascensis Christopher Davidson 1976-6-7 4271 Mono On dirt road 3S53, 4.6 miles appx. W of junction with road 4S34. (E of Lake Crowley) Inyo National Forest. (Near Moran Spring.) Head of Chidago Canyon. 2149 Comment
  CAS-BOT-BC118954  Carex pellita A. Davidson 1911-7-1 2553 Inyo Andrew Camp, Bishop Creek. Comment
  RSA364784  Carex praegracilis Christopher Davidson 1975-6-28 2897 Kern Pine Mountain Club, off road 9N05, N slope of Mt. Pinos. Up Zion Way, past water tank. 1768 Comment
  RSA364701  Carex senta Christopher Davidson 1976-8-14 4586 San Bernardino San Bernardino Mountains, Fish Creek, on Forest Service Road 1N05, S of Heart Bar St. Park. 1982 Comment
  CAS-BOT-BC116666  Carex subfusca A. Davidson 1911-7-1 2548 Inyo Andrews Camp. Bishop Creek. Comment
  RSA263634  Carex subfusca Christopher Davidson, Robert F. Thorne 1976-8-14 4548 San Bernardino Fish Creek Meadows, at the end of Forest Service Road 1N05, S of Heart Bar State Park 2439 Comment
  CAS-BOT-BC115356  Carex utriculata A. Davidson 1911-7-1 2555 Inyo Andrews Camp, Bishop Creek. Comment
  RSA364528  Carex vesicaria Anstruther Davidson 1908-07 2129 Tulare Sequoia National Park Comment
  SCFS19  Carex whitneyi E. Davidson 1964-7-17 7176420 Nevada Sagehen Basin, 0.5 mi SE of station in small mdw 1951 Comment
  RSA476638  Castanopsis sempervirens Christopher Davidson 1975-8-16 3091 San Bernardino E end of Bluff Lake along small forest runoff channel 2-3 ft. deep damp margins and bottom 2317 Comment
  RSA425878  Castilleja affinis Christopher Davidson 1973-4-1 1828 Riverside Jct. Vail Lake Marina and Hwy. 71/79, about 3 miles west of Aguanga. 426 Comment
  RSA400524  Castilleja angustifolia Christopher Davidson 1977-5-26 5698 San Bernardino Clark Mountains; Pachalka Spring. 1524 Comment
  RSA400501  Castilleja angustifolia Anstruther Davidson 1910-4-24 s.n. Inyo Haiwee. Comment
  RSA428375B  Castilleja applegatei subsp. disticha Anstruther Davidson 1908-07 1889 Tulare Sequoia National Forest. Comment
  RSA448664  Castilleja applegatei subsp. martinii Christopher Davidson 1975-6-29 2923 Kern San Emigdio Canyon, following old Mil Potrero Road, along San Emigdio Creek, Los Padres National Forest. Los Padres National Forest. 1677 Comment
  RSA448700  Castilleja applegatei subsp. martinii Christopher Davidson 1975-6-16 2816 Riverside 3.8 mi. N of Alandale Station on road R1 from Idyllwild to Banning. 1700 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
  HSC46470  Castilleja cinerea Christopher Davidson 1978-6-18 7335 San Bernardino Baldwin Lake, 3 mi. E of Big Bear City, level area at the N end of the ''T''-shaped lake. 2043 Comment
  RSA400527  Castilleja cinerea Christopher Davidson 1978-6-18 7335 San Bernardino Baldwin Lake, 3 miles E of Big Bear City; Broad, level area at the north end of the ''T''-shaped lake. 2043 Comment
  RSA408799  Castilleja exserta Anstruther Davidson 1910-4-26 2353 Inyo Haiwee Reservoir. Comment
  RSA400539  Castilleja foliolosa Anstruther Davidson 1891-6-25 s.n. Los Angeles Santa Caltalina Island Comment
  RSA400616  Castilleja foliolosa Anstruther Davidson 1890-5-3 s.n. Ventura Hoppers Canyon Comment
  SBBG45681  Castilleja foliolosa Leota Davidson 1966-3-18 333 Los Angeles Tick Cyn off Soledad Cyn Comment
  RSA428377B  Castilleja franciscana Christopher Davidson 1965-7-5 196 Marin 3 miles south of Stinson Beach on State Hwy 1. 30 Comment
  RSA448368  Castilleja lemmonii Anstruther Davidson 1926-8-1 s.n. Inyo South Fork of Bishop Creek. Comment
  RSA448644  Castilleja linariifolia Anstruther Davidson 1911-1 2770 Inyo Andrews Camp, Bishop Creek Comment
  RSA448658  Castilleja linariifolia Anstruther Davidson 1893-7-4 s.n. Los Angeles Big Rock. Comment
  RSA448724  Castilleja miniata Christopher Davidson 1975-8-16 3122 San Bernardino between E end of Bluff Lake and Rd 2N10, nearer the road. Level open place in forest, beside the trail. 2317 Comment
  RSA448773  Castilleja minor subsp. spiralis Christopher Davidson 1967-10-7 959 Los Angeles Mt. Baldy trail from Baldy Village, near Bear Flat. 1524 Comment
  RSA428394  Castilleja pilosa Anstruther Davidson 1911-07 2821 Inyo Bishop Creek. 1524 Comment
  RSA425919  Castilleja pinetorum Anstruther Davidson 1911-7-19 2772 Inyo Andrew Camp. BIshop Creek. Comment
  UC26497  Castilleja plagiotoma Dr. A. Davidson 1895-1 Los Angeles Lancaster Comment
  RSA448607  Castilleja subinclusa Anstruther Davidson 1896-5-6 s.n. Kern Autelope plains Comment
  RSA531099  Caulanthus cooperi Christopher Davidson, Robert Gustafson, D. A. Reynolds 1979-5-9 7834 San Bernardino St Highway 18 up Cushenbury Canyon, ca. 1/4 mi inside San Bernardino Nat l Forest boundary 1418 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
  RSA248640  Caulanthus coulteri Christopher Davidson 1973-4-7 1936 Ventura 0.5 mile south of Apache Canyon on Str Hwy 33, overlooking the Cuyama River. 716 Comment
  SBBG45542  Caulanthus coulteri Leota Davidson 1966-3-19 Los Angeles ca. 1 mi back from head of Tick Cyn off Soledad Cyn Rd 609 Comment
  UCR64489  Caulanthus coulteri var. coulteri Christopher Davidson 1973-4-7 1936 Ventura Western Transverse Range, 1/2 mi south of Apache Canyon on St. Hwy. 33 overlooking the Cuyama River 1006 Comment
  SD107280  Caulanthus crassicaulis Christopher Davidson 1976-6-4 4211 Inyo On Waucoba Road, 22.5 miles east of Westgard Junction. 2262 Comment
  RSA531133  Caulanthus major Christopher Davidson 1978-6-18 7306 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
  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
  RSA399159  Ceanothus arboreus Anstruther Davidson 1891-6-20 s.n. Los Angeles Catalina Island 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
  RSA399077  Ceanothus cuneatus Christopher Davidson 1966-4-8 385 Santa Clara Oak woodland along Moody Road. 61 Comment
  RSA399031  Ceanothus cuneatus Anstruther Davidson 1893-4-2 s.n. Los Angeles [Unspecified] Comment
  SD99356  Ceanothus foliosus Christopher Davidson 1977-6-24 6087 Mendocino on St Hwy 20, 7.8 mi. W of Willits 607 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
  RSA399840  Ceanothus greggii var. vestitus Anstruther Davidson 1910-4-24 2389 Inyo Haiwee. Comment
  RSA399904A  Ceanothus integerrimus Anstruther Davidson 1892-7-12 s.n. Los Angeles Wilson's Peak 1524 Comment
  SEINET5339321  Ceanothus integerrimus A. A. Davidson 1892-1 s.n. Los Angeles Wilson's Peak Comment
  RSA399113  Ceanothus megacarpus Anstruther Davidson 1890-4-10 s.n. Los Angeles Foothills, Los Angeles. Comment
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Oct 25 2015
  UC18366  Ceanothus megacarpus var. megacarpus Dr. A. Davidson 1895-1 Los Angeles Comment
  RSA399733  Ceanothus oliganthus Anstruther Davidson 1890-4-10 s.n. Los Angeles Cahuenga Pass. Comment
  RSA399732  Ceanothus oliganthus var. oliganthus Anstruther Davidson s.n. Los Angeles San Gabriel Mountains. Comment
  RSA399818  Ceanothus prostratus Christopher Davidson 1973-5-26 2171 Shasta ca. 15 mi W of Burney on St Hwy 299. Above roadbank on abandoned dirt rd near Hwy 299 915 Comment
  RSA399819  Ceanothus prostratus Christopher Davidson 1973-5-26 2159 Shasta 4 miles W of Cassell jct road on Hwy 299, near Hat Creek. 976 Comment
  SEINET4089768  Ceanothus prostratus C. Davidson 1975-1 2623 Modoc 5.3 miles south of Canby on road to Manzanita Lookout. 1493 Comment
  RSA398934A  Ceanothus spinosus Davidson 1890-04 s.n. Los Angeles [Unspecified] Comment
  RSA226629  Centaurea melitensis Christopher Davidson, Gerald L. Benny 1971-6-15 1549 Orange Brea Canyon, 0.5 mi. N of Central Ave, along Brea Cr, near bridge. Comment
  RSA391484  Centaurium exaltatum Anstruther Davidson 1893-7-4 s.n. Los Angeles Rock Creek. Comment
  RSA392718  Centrostegia thurberi Christopher Davidson 1973-4-19 1991 Riverside Joshua tree Natl. Monument, various sites along the road, 1-10 miles s of Joshua tree. 1220 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
  RSA405370  Cercidium floridum Christopher Davidson 1979-4-4 7689 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  RSA405371  Cercidium floridum Christopher Davidson, H. Surprenant, Alan Romspert 1979-4-29 7801 Imperial SW of railroad access road towards Glamis. foredunes of Pilot Knob Mesa, NE of Sand Hills. 107 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
  POM351640  Chaenactis alpigena Anstruther Davidson 1925-1 s.n. Mariposa Yosemite Comment
  POM351672  Chaenactis carphoclinia var. carphoclinia Christopher Davidson 1979-4-4 7679 Riverside Orocopia Mts, lower end of Box Canyon on Box Canyon road, 4.4 miles E of Mecca. 213 Comment
  POM351673  Chaenactis carphoclinia var. carphoclinia Anstruther Davidson 1926-3-1 s.n. Riverside Near Mecca. Comment
  SCFS607  Chaenactis douglasii E. Davidson 1964-7-18 718642 Nevada Sagehen Basin, Ca 0.25 mi E of station on side of rd 1951 Comment
  POM351691  Chaenactis douglasii var. douglasii Anstruther Davidson 1908-08 2061 Tulare [?] Creek, Sequoia National Park 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
  POM351713  Chaenactis fremontii Anstruther Davidson, Hasse 1906-6-5 1464 Los Angeles Big Rock Creek. [San Gabriel Mountians] Comment
  POM351638  Chaenactis glabriuscula var. glabriuscula Anstruther Davidson 1906-6-1 1467 Los Angeles Big Rock Creek. Comment
  POM351806  Chaenactis santolinoides Anstruther Davidson 1893-6-12 s.n. Los Angeles Mt. Disappointment Comment
  POM351819  Chaenactis stevioides Anstruther Davidson, Hasse 1906-6-1 1463 Los Angeles Big Rock Creek. Comment
  POM351818  Chaenactis stevioides Anstruther Davidson 1926-5-16 s.n. Kern Mohave Desert Comment
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Feb 3 2011
  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
  POM351840  Chaenactis stevioides var. stevioides Christopher Davidson, B. Gustafson, R. F. Thorne 1979-5-22 8087 San Bernardino San Bernardino Mountains: Grapevine Canyon. North desert slope. 7.0 miles S of Highway 18 on Grapevine Canyon Road. 1677 Comment
  SBBG46742  Chaenactis xantiana Leota Davidson 1965-5-9 164 b Los Angeles E of Little Rock Comment
  SBBG25248  Chamaebatia foliolosa Leota Davidson 1965-10-12 203 Calaveras W of Ebbetts Pass, Hwy 4 1828 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
  RSA435991  Chamaesyce albomarginata Christopher Davidson 1976-6-26 4458 San Bernardino Northwest end of Baldwin Lake, Northwest of Highway 38. 1982 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
  RSA432470  Chamaesyce polycarpa var. hirtella Christopher Davidson 1973-4-1 1837 Riverside Palm Springs. 488 Comment
  RSA432489A  Chamaesyce polycarpa var. hirtella Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-28 7770 Imperial Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob. 79 Comment
  RSA433502B  Chamaesyce setiloba Christopher Davidson, Josephine Jones 1980-4-4 9947 Riverside Orocopia Mts. West end of the mountains in a small canyon and wash almost due south of Oro Peak. 518 Comment
  RSA685680  Cheilanthes clevelandii Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  POM9994  Cheilanthes cooperae Anstruther Davidson 1890-10 s.n. Ventura near Piru Comment
  HSC66175  Cheilanthes covillei Christopher Davidson, A. P. Romspert 1979-5-17 8034 Inyo Panamint Mountains, Hanaupah Canyon 9 miles west of jct. up Hanaupah Canyon wash, north of the road near fork in the creek 1006 Comment
  RSA423277  Chenopodium album Anstruther Davidson 1892-09 s.n. Los Angeles E. Los Angeles. Comment
  RSA423305  Chenopodium ambrosioides Anstruther Davidson 1890-08 s.n. Los Angeles Los Angeles. 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
  RSA478468  Chenopodium botrys Christopher Davidson 1973-5-28 2189 Trinity E of Burnt Ranch on Hwy 299, Trinity River Canyon, Trinity National Forest. 305 Comment
  RSA478483  Chenopodium californicum Anstruther Davidson 1891-05 s.n. Los Angeles Foothills, Los Angeles. 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
  RSA478516  Chenopodium fremontii Christopher Davidson 1975-8-30 3219 San Bernardino On rd. 2N10, 1.1 mi. E of jct. with rd. to Clark s Ranch. (rd 1N54). 2355 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
  HSC66442  Chilopsis linearis Christopher Davidson 1977-5-29 5859 San Bernardino E Mojave Desert, 2 mi. S of Kelso on Kelbaker Rd., E of Kelso Dunes 671 Comment
  RSA455313  Chilopsis linearis subsp. arcuata Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-28 7747 Imperial Algondones Dunes, dirt track continutation 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
  RSA392612  Chorizanthe brevicornu var. brevicornu Christopher Davidson 1973-4-19 1978 Riverside Joshua Tree Natl. Monument, ca 4 mi. E of Split Rock, ca 1.5 mi S of park entrance. 1220 Comment
  RSA392621  Chorizanthe brevicornu var. brevicornu Anstruther Davidson 1926-05 s.n. Los Angeles Llano, Mojave Desert. Comment
  RSA392593  Chorizanthe fimbriata var. fimbriata Anstruther Davidson s.n. San Diego Escondido. Comment
  RSA392787  Chorizanthe parryi var. fernandina Anstruther Davidson 1890-5-11 s.n. Los Angeles Burbank Comment
  RSA392738  Chorizanthe rigida Anstruther Davidson 1920-1 s.n. Riverside Mecca. Comment
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Oct 26 2009
  RSA392739  Chorizanthe rigida Christopher Davidson 1979-4-4 7694 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  RSA392761  Chorizanthe rigida Christopher Davidson 1973-3-8 1636 Inyo Death Valley National Monument, 1/4 mile from Beatty Jct toward Beatty. -30 Comment
  RSA392697  Chorizanthe staticoides Anstruther Davidson 1893-6-12 s.n. Los Angeles Switzer's Trail. Comment
  RSA392613  Chorizanthe watsonii Christopher Davidson 1976-6-8 4298 Inyo White Mountains, On Westgard Road., 7 mi N of junction with Waucoba Road. (2.2 mi past Toll House) 2058 Comment
  RSA392766  Chorizanthe watsonii Christopher Davidson 1978-6-18 7323 San Bernardino San Bernardino Mts. Summit of Cushenbury grade, N. of Baldwin Lake 2058 Comment
  POM351978  Chrysothamnus nauseosus subsp. hololeucus Anstruther Davidson 1926-1 3628 Kern Dry Lakes Muroc Comment
  POM4773  Chrysothamnus nauseosus subsp. hololeucus Anstruther Davidson 5 Inyo [Unspecified] Comment
  RSA640608  Chrysothamnus nauseosus subsp. hololeucus Leota Davidson 1965-10-8 277 Inyo 10 miles S of Bishop on Hwy 395 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
  POM352122  Cichorium intybus Anstruther Davidson 1917-07 3158 Los Angeles Los Angeles 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
  POM352175  Cirsium occidentale var. venustum Anstruther Davidson 1927-1 s.n. Ventura Ventura Comment
  SCFS612  Cirsium scariosum E. Davidson 1964-7-10 710645 Nevada Sagehen Basin, 50 yd SW of station by checkdam 1951 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
  RSA466591  Cistanthe monandra Anstruther Davidson 1890-3-24 s.n. Los Angeles Near Reservoir at river. Comment
  RSA466630  Cistanthe monosperma Anstruther Davidson 1915-7-1 s.n. Los Angeles San Antonio Comment
  RSA422719  Clarkia bottae Anstruther Davidson 1907-01 s.n. Los Angeles Canyon [Edgemont?] Hollywood. Comment
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Nov 12 2014
  RSA453456  Clarkia bottae Anstruther Davidson 1889-07 s.n. Los Angeles Foothills. Los Angeles. Comment
  SD99418  Clarkia concinna Christopher Davidson 1977-6-18 5918 Mendocino Signal Ridge road, 1.8 mile west of highway 128 334 Comment
  SBBG25143  Clarkia cylindrica subsp. cylindrica Leota Davidson 1965-6-16 39 -A Santa Barbara Cat Cyn Comment
  RSA448259  Clarkia dudleyana Christopher Davidson 1975-6-29 2925 Kern San Emigdio Canyon, following old Mil Potrero Road, along San Emigdio Creek, Los Padres National Forest. Los Padres National Forest. 1677 Comment
  RSA449288  Clarkia gracilis subsp. sonomensis Christopher Davidson 1977-6-20 6004 Sonoma Dry Cr. Rd., 8.6 mi. W of Geyserville 91 Comment
  RSA355431  Clarkia heterandra Anstruther Davidson 1917-07 3289 Contra Costa Mt. Diabolo [Diablo] Comment
  SBBG60329  Clarkia purpurea subsp. purpurea Anstruther Davidson 1895-1 Los Angeles Los Angeles Comment
  RSA454107  Clarkia purpurea subsp. quadrivulnera Anstruther Davidson 1891-05 s.n. Los Angeles Foothills, Los Angeles. Comment
  UC20323  Clarkia purpurea subsp. quadrivulnera Dr. A. Davidson 1895-1 Los Angeles Los Angeles Comment
  RSA448330  Clarkia purpurea subsp. viminea Anstruther Davidson 1908-07 1651 Tulare Sequoia National Park [county not specified] Comment
  RSA448463  Clarkia unguiculata Christopher Davidson 1977-6-20 6020 Sonoma Dry Creek Rd., 9.3 miles W of Geyserville. 91 Comment
  RSA350988  Claytonia parviflora subsp. viridis Anstruther Davidson, Hasse 1906-6-6 1507 Los Angeles By rock Creek Comment
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May 14 2013
  RSA464445  Claytonia sibirica Anstruther Davidson 1922-05 s.n. San Bernardino Little Bear Valley. Comment
  RSA464447  Claytonia sibirica Anstruther Davidson 1931-05 3664 Sonoma Sonoma County (No data on label Comment
  RSA440022  Cleomella obtusifolia Anstruther Davidson 1906-07 s.n. Los Angeles Lancaster. Comment
  RSA440023  Cleomella obtusifolia Anstruther Davidson 1892-7-3 s.n. Los Angeles Lancaster. Comment
  SBBG70277  Cleomella obtusifolia Anstruther Davidson -Jul-1892 Los Angeles Lancaster Comment
  RSA377070  Clintonia andrewsiana Christopher Davidson 1977-6-20 6033 Sonoma Ridge Crest road, on Sea Ranch property south of Gualala River. 30 Comment
  POM355815  Cnicus benedictus Anstruther Davidson 1917-06 3162 Los Angeles Los Angeles. Comment
  RSA451355  Coleogyne ramosissima Christopher Davidson, B. Gustafson, Don Reynolds 1979-5-9 7847 San Bernardino St Highway 18 up Cushenbury Canyon, ca. 1/4 mi inside San Bernardino Nat'l Forest boundary. 1418 Comment
  RSA550877  Coleogyne ramosissima Christopher Davidson 1977-5-26 5673 San Bernardino Clark Mountain ca. 1 mile southwest of Pachalka Spring on dirt road leading to the spring. 1372 Comment
  RSA408413  Collinsia bartsiifolia var. davidsonii Anstruther Davidson 1922-5-1 3493 Los Angeles Lancaster. Comment
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Jun 16 2008
  RSA408237  Collinsia callosa Anstruther Davidson 1910-4-25 2432 Inyo Haiwee Comment
  RSA408229  Collinsia heterophylla var. heterophylla Anstruther Davidson 1923-5-1 s.n. Riverside Idyllwild 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
  RSA411156  Collomia grandiflora Christopher Davidson 1975-6-28 2883 Kern Pine Mountain Club, off road 9N05, N slope of Mt. Pinos. Up Zion Way, past water tank. 1768 Comment
  RSA467070  Comarostaphylis diversifolia subsp. planifolia Anstruther Davidson 1893-08 s.n. Santa Barbara Santa Cruz Island. Comment
  RSA226637  Conium maculatum Christopher Davidson, G. Benny 1971-6-15 1544 Orange Brea Canyon, 0.5 mile N of Central Avenue, along Brea Creek, near Brea Oil Co. wells. Comment
  RSA470550  Conium maculatum Christopher Davidson 1977-6-19 5998 Mendocino 2.2 miles east of Gualala on County Road 502; bridge over Gualala River. 15 Comment
  POM355829  Conyza bonariensis Anstruther Davidson 1907-06 1980 Los Angeles [Unspecified] Comment
  RSA381989  Corallorhiza maculata Anstruther Davidson 1908-07 1665 Tulare Sequoia National Forest. Comment
  RSA381963  Corallorhiza maculata Christopher Davidson 1974-7-26 2510 El Dorado Echo Summit on St Hwy 50. 2251 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
  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
  UC33135  Coreopsis californica var. californica Dr. A. Davidson 1890-1 Los Angeles Los Angeles Comment
  POM355955  Coreopsis californica var. californica Anstruther Davidson 1910-4-25 2448 Inyo Dry hills Comment
  RSA248685  Coreopsis calliopsidea Christopher Davidson, B. Gustafson, Frances Runyan 1973-3-26 1741 Kern Boron Dry Lake area. 2 miles W on dirt road to fossil diggings off Claymine Road, 17 miles E of Mojave. 823 Comment
  GH414346  Coreopsis gigantea Carol Davidson 1971-5-8 1530 Unknown Catalina Is., White's Landing Comment
  POM356164  Corethrogyne filaginifolia Anstruther Davidson 1895-9-1 1997 San Bernardino Squirrel Inn, San Bernardino Mts Comment
  POM356120  Corethrogyne filaginifolia var. filaginifolia Anstruther Davidson 1892-09 1996 Los Angeles San Gabriel Mountains, Santa Anita Canyon. Comment
  RSA397681  Cornus californica Anstruther Davidson 1890-07 s.n. Los Angeles Cienega Comment
  RSA397701  Cornus glabrata Anstruther Davidson 1893-08 s.n. Los Angeles Santa Catalina Island Comment
  RSA481448  Corylus cornuta var. californica Anstruther Davidson 1908-07 1733 Tulare Sequoia National Forest. Comment
  RSA423439  Crassula connata var. erectoides Anstruther Davidson 1890-1 s.n. Los Angeles San Pedro Comment
  UC159914  Crepis acuminata A. Davidson, M. D. July, 1911 2599 Inyo Andrews Camp Bishop Creek Comment
  CAS-BOT-BC290531  Crepis capillaris Dr. A. Davidson 1893-7-1 s.n. Los Angeles 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
  POM356334  Crepis occidentalis subsp. pumila Christopher Davidson 1973-5-26 2154 Shasta 4 mi W of Cassell rd jct with St Hwy 299, near Hat Cr. 976 Comment
  POM356342  Crepis pleurocarpa Christopher Davidson 1973-5-28 2190 Trinity E of Burnt Ranch on Hwy 299, Trinity River Canyon, Trinity National Forest. Comment
  POM356343  Crepis runcinata subsp. hallii Anstruther Davidson 1911-7-1 2570 Inyo Bishop. Comment
  RSA397725  Crossosoma bigelovii Christopher Davidson 1973-4-7 1932 San Bernardino Off Hwy 62, toward Yucca Valley, 6.2 miles east, above Morongo Valley. 884 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
  RSA480700  Croton californicus var. mohavensis Christopher Davidson, B. Gustafson 1977-4-7 5589 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
  RSA480697  Croton wigginsii Christopher Davidson 1979-4-28 7794 Imperial On dirt track heading E 3.3 mi from Gray's Well Rd exit off Interst. 8. Algodoned Dunes. 46 Comment
  SCFS373  Cryptantha affinis E. Davidson 1964-6-21 621644 Nevada Sagehen Basin, 350 yd W of station on old rd bed 1951 Comment
  POM368168  Cryptantha affinis Anstruther Davidson 1908-07 1820 Tulare Sequoia National Forest. Comment
  POM368175  Cryptantha angustifolia Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-29 7795 Imperial SW of railroad access road towards Glamis. foredunes of Pilot Knob Mesa, NE of Sand Hills. 107 Comment
  POM368177  Cryptantha angustifolia Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-28 7751 Imperial Algondones Dunes, dirt track continutation of Ogilby Rd, ca. 1/8 mi from All American Canal. 41 Comment
  POM368182  Cryptantha angustifolia Christopher Davidson 1973-3-8 1638 Inyo Death Valley National Monument. 1/4 mile from Beatty Junction toward Beatty. -30 Comment
  POM368203  Cryptantha angustifolia Christopher Davidson 1979-4-4 7671 Riverside Orocopia Mts, lower end of Box Canyon on Box Canyon road, 4.4 miles E of Mecca. 213 Comment
  POM368292  Cryptantha barbigera Christopher Davidson 1977-5-28 5746 San Bernardino North side of Clark Mountain, along Powerline Road, vicinity of Keany Pass. 1387 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
  POM368341  Cryptantha circumscissa Anstruther Davidson 1904-6-1 1376 Los Angeles Mt. Wilson. Comment
  POM368214  Cryptantha confertiflora Anstruther Davidson 1911-07 2722 Inyo Andrews Camp. Bishop Creek [Now Bishop]. Comment
  RSA0079521  Cryptantha cycloptera Christopher Davidson 1979-4-4 7723 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  POM369542  Cryptantha dumetorum Christopher Davidson 1976-5-21 3949 Inyo ca. 5 miles N of Little Lake on St. Hwy 395 1066 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
  HSC66557  Cryptantha gracilis Christopher Davidson, A. P. Romspert 1979-5-17 8016 Inyo Panamint Mtns., Johnson Canyon, trail up the creek to Hungry Bill's 1189 Comment
  RSA499623  Cryptantha maritima Christopher Davidson 1973-3-8 1637 Inyo Death Valley National Monument. 1/4 mile from Beatty Junction toward Beatty. -30 Comment
  POM369443A  Cryptantha micromeres Anstruther Davidson 1925-5-1 s.n. San Diego San Diego. Comment
  RSA499680B  Cryptantha microstachys Christopher Davidson, Larry E. DeBuhr 1976-6-26 4393 b San Bernardino 10 miles WSW of Running Springs on State Highway 30 1159 Comment
  RSA499698  Cryptantha muricata Christopher Davidson 1973-4-6 1861 Los Angeles Tapia Park, Malibu Canyon. 244 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
  RSA0079457  Cryptantha muricata var. muricata Anstruther Davidson 1920-06 s.n. Los Angeles Acton. Comment
  RSA0079554  Cryptantha muricata var. muricata Christopher Davidson 1975-6-16 2810 Riverside 5.4 miles N of Alandale Station on road R1 from Idyllwild to Banning. 1652 Comment
  RSA499735  Cryptantha nevadensis Christopher Davidson 1973-3-9 1678 Inyo Death Valley Nat. Mon. Jubilee Pass on St 178. 402 Comment
  POM368300  Cryptantha nevadensis Christopher Davidson 1976-5-22 3973 Inyo On Waucoba Rd, ca. 0.4 mi E of junction with Westguard Rd, toward Eureka Dune. 1174 Comment
  POM368256  Cryptantha simulans Anstruther Davidson 1915-8-1 3085 Los Angeles Camp Baldy. Comment
  RSA499590  Cryptantha utahensis Christopher Davidson 1973-3-9 1693 Inyo Death Valley Nat. Mon. Jubilee Pass on St 178. 402 Comment
  RSA499808  Cryptantha virginensis Christopher Davidson, Alan Romspert 1979-5-16 7916 Inyo Panamint Mountains Johnson Canyon. Vicinity of lower spring at the end of the road. 20 miles SW of Badwater. 1189 Comment
  RSA499809  Cryptantha virginensis Christopher Davidson 1977-5-26 5711 San Bernardino Clark Mountains; Pachalka Spring. 1524 Comment
  RSA499810  Cryptantha virginensis Christopher Davidson 1977-5-28 5747 San Bernardino North side of Clark Mountain, along Powerline Road, vicinity of Keany Pass. 1387 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
  HSC46476  Cuscuta denticulata Christopher Davidson 1978-6-18 7285 San Bernardino San Bernardino Mtns., Hwy. 18, 7.8 mi. SE of Lucerne Valley up Cushenbury Grade 1250 Comment
  RSA394863  Cuscuta salina Anstruther Davidson 1907-9-1 1772 Orange Newport Comment
  RSA459637  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
  CAS-BOT-BC211061  Cymopterus deserticola Christopher Davidson 1973-3-31 1775 Kern 1.5 mi W on dirt rd to fossil diggings off Claymine Rd, Boron Dry Lake region, 17 mi E of Mojave, Mojave Desert 822 Comment
  RSA248687  Cymopterus deserticola Christopher Davidson 1973-3-31 1775 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
  RSA470612  Cymopterus deserticola Christopher Davidson 1973-3-26 1766 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
  RSA470766  Cymopterus panamintensis var. panamintensis Christopher Davidson 3929 -b Inyo U.S. Naval Ordnance Test Station. Sheep Canyon (also called Renegade Canyon) petroglyph site. 1554 Comment
  POM369205  Cynoglossum occidentale Christopher Davidson 1975-6-4 2646 Shasta 3 miles S of Dickson Flat on Highway 89. 1220 Comment
  CAS-BOT-BC114633  Cyperus eragrostis A. Davidson 1921-8-1 3454 Los Angeles Roadside near Bandini. Comment
  RSA365080  Cyperus erythrorhizos Anstruther Davidson 1917-08 3267 Orange Near Laguna Beach. Comment
  CAS-BOT-BC113917  Cyperus niger var. capitatus A. Davidson 1908-7-1 2140 Tulare Lenon Cove. Comment
  RSA365109  Cyperus odoratus Anstruther Davidson 1917-09 3284 Los Angeles Los Angeles. Comment
  RSA365110  Cyperus odoratus Anstruther Davidson 1889-05 s.n. Los Angeles E. Los Angeles. Comment
  CAS-BOT-BC113996  Cyperus parishii A. Davidson 1901-9-1 s.n. Los Angeles Rock Creek 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
  RSA692790  Cystopteris fragilis Christopher Davidson 1970-9-10 7487 Mono Trail to Lake Mildred, 1-5 miles SW of Convict Lake, SW of Hwy 395. 2896 Comment
  RSA404188  Dalea mollis Christopher Davidson 1976-5-22 4007 Inyo Eureka Valley. Near junction of South Eureka Rd with main Eureka Valley road to Death Valley. 914 Comment
  RSA404189  Dalea mollis Christopher Davidson 1973-3-8 1634 Inyo Death Valley National Monument, 1/4 mile from Beatty Jct toward Beatty. -30 Comment
  RSA404192  Dalea mollissima Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-28 7782 Imperial Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob. 79 Comment
  RSA468320  Darmera peltata Christopher Davidson 1975-6-7 2743 Plumas Ca 3 mile E of Quincy on Hwy 70-89. Greenhorn Creek. 1120 Comment
  RSA468321  Darmera peltata Christopher Davidson 1975-6-7 2743 Plumas Ca 3 mile E of Quincy on Hwy 70-89. Greenhorn Creek. 1120 Comment
  RSA431675  Datisca glomerata Christopher Davidson 1973-6-1 2247 Ventura Sespe Cr, turnoff on dirt road ca 6 mi N of Wheeler Spgs on Hwy 33. Los Padres Nat. For. 915 Comment
  RSA215030  Datisca glomerata Christopher Davidson 1969-6-30 1002 Los Angeles Topanga Canyon, just past jct. in Topanga Village, in sand along Carapito Cr. Assoc. 192 Comment
  RSA215031  Datisca glomerata Christopher Davidson 1969-6-30 s.n. Los Angeles Topanga Canyon, just past jct. in Topanga Village, in sand along Carapito Cr. Assoc. 192 Comment
  RSA215036  Datisca glomerata C. Davidson 1969-6-18 1001 Mariposa Sulfur Springs, past Mariposa toward Oakhurst. 854 Comment
  RSA431668  Datisca glomerata Christopher Davidson 1973-5-18 2069 Mariposa On State Hwy 49, ca. 5 miles S of Mariposa, along Mariposa Creek. 518 Comment
  RSA470787  Daucus pusillus Christopher Davidson 1977-5-25 5661 Riverside Mesa de Burro, Santa Rosa Plateau area 701 Comment
  UC1375366  Deinandra clementina C. Davidson 1971-5-7 1522 Los Angeles Catalina Is. Isthmus Cataline Harbor Catalina Is. Isthmus Comment
  RSA0005313  Delphinium cardinale Anstruther Davidson 1927-07 3641 Los Angeles San Gabriel Mts., Fish Canyon. Comment
  RSA394505  Delphinium cardinale Anstruther Davidson 1892-6-14 s.n. Los Angeles Los Angeles area, illegible label locale. Comment
  RSA400102  Delphinium depauperatum Christopher Davidson 1974-7-26 2508 El Dorado Echo Summit on St Hwy 50. 2251 Comment
  RSA350611  Delphinium inflexum Anstruther Davidson 1927-05 3641 Los Angeles San Gabriel Mts., Fish Canyon. Comment
  RSA350609  Delphinium maritimum Anstruther Davidson 1910-4-20 2471 Orange Corona Del Mar. Comment
  RSA400117  Delphinium nuttallianum Christopher Davidson 1975-6-5 2692 Siskiyou 0.1 ENE on unnamed dirt rd. departing to E off Hwy 3 at Scott Mtn summit. 1677 Comment
  RSA394486  Delphinium parishii subsp. parishii Anstruther Davidson 1911-07 2783 Inyo Andrews Camp. Bishop Creek [Now Bishop]. Comment
  RSA720647  Delphinium parishii subsp. parishii Christopher Davidson 1977-5-27 5758 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
  RSA398771  Delphinium parryi Anstruther Davidson 1910-4-20 1782 Orange Corona Del Mar. Comment
  RSA398734  Delphinium parryi Anstruther Davidson 1892-06 s.n. Los Angeles Los Angeles. Comment
  RSA490037  Delphinium patens subsp. hepaticoideum Anstruther Davidson 1892-06 s.n. Los Angeles Altadena. Comment
  RSA720706  Delphinium patens subsp. montanum Christopher Davidson 1975-6-22 2856 Ventura 3.9 mi S of Chuchupate For. Sta. on rd 8N04 to Frazier Mtn. 1509 Comment
  RSA394481  Delphinium polycladon Anstruther Davidson 1908-07 1710 Tulare Sequoia National Forest. Comment
  RSA433216  Dendromecon rigida Anstruther Davidson 1892-5-3 s.n. Los Angeles Devil's Gate, Pasadena. Comment
  HSC46511  Deschampsia cespitosa Christopher Davidson, R. F. Thorne 1976-8-14 4549 San Bernardino Fish Creek Meadows, at the end of Forest Service Road 1N05, South of Heart Bar State Park 2439 Comment
  POM365016  Deschampsia cespitosa subsp. cespitosa Christopher Davidson 1976-8-15 4684 San Bernardino San Bernardino Mountains, Upper South Fork Meadow, San Gorgonio Wilderness Area. 2439 Comment
  CAS-BOT-BC39731  Descurainia adenophora Dr. A. Davidson 1893-7-1 s.n. Los Angeles San Bernardino Mountains. Rock Creek. Comment
  POM369562  Descurainia incana subsp. incisa Anstruther Davidson 1909-07 2184 San Bernardino Seven Oaks. San Bernardino Mountains. Comment
  RSA433590  Dicentra chrysantha Anstruther Davidson 1893-6-12 s.n. Los Angeles Switzer's Trail. Comment
  RSA433585  Dicentra formosa subsp. formosa Anstruther Davidson 1908-07 1811 Tulare Alta Meadows, Sequoia National Park. 2744 Comment
Read comments
Dec 14 2015
  RSA433572  Dicentra formosa subsp. formosa Christopher Davidson 1973-5-29 2200 Humboldt Ca. 2 mi S of Carlotta on St. Hwy 36 61 Comment
  RSA376822  Dichelostemma multiflorum Christopher Davidson 1975-6-4 2631 Shasta Hwy 89, 10 miles N of jct with Hwy 299. 915 Comment
  RSA267523  Dichelostemma pulchellum var. pulchellum Anstruther Davidson 1925-4-10 2446 Inyo Haiwee Creek Comment
  CAS-BOT-BC292136  Dicoria canescens Dr. A. Davidson 1892-1-1 s.n. Los Angeles At Los Angeles Comment
  POM356423  Dicoria canescens Christopher Davidson, J. Jones 1980-10-25 10709 Inyo Eureka Dune, S end of Eureka Valley 915 Comment
  RSA575695  Dicoria canescens Christopher Davidson, J. Jones 1980-10-25 10709 Inyo Eureka Dune, S end of Eureka Valley 915 Comment
  UC159910  Dieteria canescens var. canescens A. Davidson, M. D. 1911-7-1 2565 Inyo Andrews Camp Bishop Creek Comment
  POM365107  Digitaria sanguinalis Anstruther Davidson 1989-06 s.n. Los Angeles Los Angeles. Comment
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Aug 10 2012
  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
  RSA0024536  Diplacus thompsonii Anstruther Davidson 1911-07 2697 Inyo Andrews Camp. Bishop Creek [Now Bishop]. Comment
  RSA0024535  Diplacus thompsonii Anstruther Davidson 1913-7-1 2961 Inyo Bishop Creek. Comment
  SBBG45336  Diplacus torreyi Leota Davidson 1965-10-12 260 Alpine Ebbetts Pass Comment
  RSA367635  Disporum smithii Christopher Davidson 1977-6-20 6036 Sonoma Ridge Crest Rd., on Sea Ranch property south of Gualala River. 30 Comment
  RSA367637  Disporum smithii Anstruther Davidson 1927-5-27 114 Humboldt Redwood Hwy, Orick. 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
  RSA576024  Ditaxis lanceolata Christopher Davidson 1979-4-4 7736 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  RSA530784  Dithyrea californica Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  RSA0001937  Dithyrea maritima Anstruther Davidson 1892-1 1865 Los Angeles Redondo. Comment
  RSA462212  Dodecatheon alpinum subsp. majus Christopher Davidson 1975-8-16 3153 San Bernardino S. of Big Bear Lake near junction of private road to Bluff Lake and road 2N10. On edge of meadow opposite the junction. 2325 Comment
  RSA461364  Dodecatheon clevelandii subsp. sanctarum Anstruther Davidson s.n. Los Angeles Santa Monica Comment
  RSA461379  Dodecatheon hendersonii Anstruther Davidson 1920-01 s.n. Siskiyou [Unspecified] Comment
  POM134883  Downingia bicornuta Chas. Davidson 1885-07 102 San Joaquin San Joaquin River. Comment
  RSA436102  Downingia cuspidata Anstruther Davidson 1920-1 s.n. Unknown Mojave Desert. Comment
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Aug 29 2011
  POM370132  Draba albertina Anstruther Davidson 1913-07 2727 Inyo South Lake, Bishop Creek Comment
  POM370133  Draba albertina Anstruther Davidson 1911-07 2727 Inyo South Lake. Comment
  POM370126  Draba breweri Anstruther Davidson 1913-07 2962 Inyo South Lake, Bishop Creek 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
  POM370049  Draba cuneifolia var. integrifolia Christopher Davidson 1973-3-9 1720 Inyo Death Valley National Monument. Rhodes Wash below jct with Bradbury Wash, 1/2 mi SW of Jubilee Pass on St 178. 457 Comment
  POM370054  Draba cuneifolia var. integrifolia Christopher Davidson 1977-5-27 5763 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
  POM370048  Draba cuneifolia var. sonorae Anstruther Davidson 1890-1-27 s.n. Los Angeles Foothills, Los Angeles County Comment
  UC114425  Drymocallis lactea var. lactea Dr. A. Davidson Unknown Comment
  RSA423473  Dudleya abramsii subsp. affinis Christopher Davidson 1976-6-9 4366 San Bernardino On St Hwy 18, San Bernardino Nat'l For. Cushenbury Grade Summit. 2058 Comment
  RSA423500A  Dudleya cymosa subsp. pumila Anstruther Davidson 1915-8-1 s.n. Los Angeles Camp Baldy. Comment
  RSA423503B  Dudleya cymosa subsp. pumila Anstruther Davidson s.n. Los Angeles Rock Creek. 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
  RSA423461  Dudleya densiflora Anstruther Davidson s.n. Los Angeles Mt. Islip. Comment
  RSA397784  Dudleya saxosa subsp. aloides Christopher Davidson, B. Gustafson 1977-4-7 5591 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
  HSC82778  Dudleya saxosa subsp. saxosa Christopher Davidson, A. P. Romspert 1979-5-16 7951 Inyo Panamint Mtns., Johnson Canyon, vicinity of lower spring at end of road, 20 mi. SW of Badwater 1189 Comment
  RSA0125238  Echinocereus engelmannii var. engelmannii Christopher Davidson, Alan Romspert 1979-5-16 7956 Inyo Panamint Mts. Johnson Canyon. Vicinity of lower spring at the end of the road. 20 miles SW of Badwater. 1189 Comment
  UC56957  Echinodorus berteroi Dr. A. A. Davidson 1893-8-13 Los Angeles Los Angeles, Garvanza (near Eagle Rock) Comment
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Oct 25 2015
  RSA0031362  Echinodorus berteroi Anstruther Davidson 1920-07 s.n. Los Angeles Alamitos. [Los Alamitos] Comment
  SBBG70216  Ehrendorferia chrysantha Anstruther Davidson -Jun-1893 Los Angeles Switzers Peak Comment
  HSC46428  Eleocharis macrostachya Christopher Davidson 1977-5-25 5647 Riverside Mesa de Burro, Santa Rosa Plateau area of Santa Ana Mtns. 701 Comment
  CAS-BOT-BC112984  Eleocharis macrostachya A. Davidson 1908-7-1 2138 Tulare Lennon Cove Comment
  RSA365433  Eleocharis palustris Christopher Davidson 1975-8-16 3141 San Bernardino E end of Bluff Lake, S of Big Bear Lake. 2317 Comment
  RSA365352  Eleocharis parishii Anstruther Davidson 1926-08 s.n. Kern Muroc Comment
  SBBG54319  Eleocharis parishii C. Davidson 1977-5-25 5647 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
  RSA365465  Eleocharis quinqueflora Christopher Davidson, Robert F. Thorne 1976-8-15 4682 San Bernardino Upper South Fork Meadow, San Gorgonio Wilderness Area. 2439 Comment
  SEINET10467319  Eleocharis rostellata Christopher Davidson, Alan Romsport 1979-5-17 Davidson 7991 Inyo Panamint Mts. Johnson Canyon. Trail up the creek to Hungry Bill's. Narrow riparian belt along the creek. Creosote bush scrub on the hillsides. Meadow. 3900-5000 feet. 1190 Comment
  POM359914  Elymus elymoides Anstruther Davidson 1911-07 2529 Inyo Bishop Creek. 1524 Comment
  POM359915  Elymus elymoides Anstruther Davidson 1911-07 2527 Inyo Bishop Creek. 1524 Comment
  POM359917  Elymus elymoides Christopher Davidson, Alan Romspert 1979-5-16 7920 Inyo Panamint Mountains Johnson Canyon. Vicinity of lower spring at the end of the road. 20 miles SW of Badwater. 1189 Comment
  POM359934  Elymus elymoides Christopher Davidson 1976-6-26 4460 San Bernardino Northwest end of Baldwin Lake, Northwest of Highway 38. 1982 Comment
  POM359935  Elymus elymoides Anstruther Davidson 1909-07 2324 San Bernardino Bear Valley, San Bernardino Mts. Comment
  POM365343  Elymus glaucus Anstruther Davidson s.n. Los Angeles E. Los Angeles. Comment
  UC53400  Elymus glaucus Dr. A. Davidson Los Angeles Lancaster Comment
  POM365356  Elymus glaucus subsp. glaucus Christopher Davidson, Robert F. Thorne 1976-8-15 4591 San Bernardino San Bernardino Mountains, Lower South Fork Meadow, San Gorgonio Wilderness Area. 2317 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
  SBBG46418  Encelia actoni Leota Davidson 1966-4-2 289 Riverside US Hwy 60, ca. 4 mi W of Garnet 304 Comment
  SBBG97296  Encelia farinosa Leota Davidson 1966-4-5 189 a Riverside ca. 2 mi beyond second intersection, Wiley Well Rd, off US Hwy 95, ca. 18 mi W of Blythe 243 Comment
  POM356691  Encelia farinosa var. farinosa Christopher Davidson, Robert Gustafson 1977-4-7 5569 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
  POM356712  Encelia frutescens Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-28 7788 Imperial Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob 79 Comment
  RSA478363  Endolepis covillei Anstruther Davidson 1922-05 s.n. San Bernardino Mojave Desert. Comment
  RSA383869  Ephedra aspera Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  RSA383875  Ephedra californica Christopher Davidson, B. Gustafson 1977-4-7 5575 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
  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
  RSA383823  Ephedra viridis Christopher Davidson, Alan Romspert 1979-5-17 7999 Inyo Panamint Mountains, Johnson Canyon; Trail up the creek to Hungry Bill's. 1189 Comment
  RSA383830  Ephedra viridis Christopher Davidson, B. Gustafson, D. Reynolds 1979-5-9 7848 San Bernardino St Highway 18 up Cushenbury Canyon, ca. 1/4 mi inside San Bernardino Nat l Forest boundary 1418 Comment
  RSA383831  Ephedra viridis Christopher Davidson, B. Gustafson, R. F. Thorne 1979-5-22 8099 San Bernardino San Bernardino Mts. Grapevine Canyon. North desert slope. 6.5 mi S of Hwy 18 on Grapevine Canyon Rd. 1610 Comment
  RSA383836  Ephedra viridis Anstruther Davidson 1915-8-1 3111 San Bernardino Cactus Flats. S B Mts. Comment
  RSA383855  Ephedra viridis Christopher Davidson 1975-5-25 2528 Ventura E of Ozena Sta. on Forest Serv. Rd 9N03, jct of Rd 9N03 and 9N03C. 1220 Comment
  RSA448534  Epilobium angustifolium subsp. circumvagum Anstruther Davidson 1895-04 1897 San Bernardino Bear Valley. Comment
  POM32366  Epilobium angustifolium subsp. circumvagum Chas Davidson 1885-07 s.n. Unknown Fresno Mt. 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
  SBBG52805  Epilobium canum subsp. latifolium C. Davidson, J. A. Churchill 1976-9-16 4742 Ventura meadow on S side of rd to Mt Pinos summit, ca. 1.1 mi S of the parking lot at the end of the pavement 2400 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
  RSA263922  Epilobium ciliatum subsp. glandulosum Christopher Davidson, Robert F. Thorne 1976-8-15 4698 San Bernardino Upper South Fork Meadow, San Gorgonio Wilderness Area. 2439 Comment
  SCFS207  Epilobium ciliatum subsp. glandulosum E. Davidson 1964-7-16 716649 Nevada Sagehen Basin, On second terrace of large hanging bog ca 1 mi SW of station 1981 Comment
  RSA458706  Epilobium glaberrimum Christopher Davidson 1975-8-16 3120 San Bernardino E end of Bluff Lake on drying grassland margins of small forest runnoff channel. 2317 Comment
  SD107334  Epilobium glaberrimum Christopher Davidson 1975-8-16 3120 San Bernardino East end of Bluff Lake on drying grassland margins of small forest runoff channel. 2316 Comment
  SCFS195  Epilobium hallianum E. Davidson 1964-7-22 722644 Nevada Sagehen Basin, Ca 100' SE of station in mdw. 1951 Comment
  JEPS109748  Epilobium howellii Dario Davidson 2004-7-30 s.n. Nevada Maiden Valley area Comment
  RSA462348  Epilobium latifolium Christopher Davidson 1970-9-10 7453 Mono Trail to Lake Mildred, 1-5 miles SW of Convict Lake, SW of Hwy 395. 2896 Comment
  RSA458753  Epilobium paniculatum Christopher Davidson 1973-5-26 2157 Shasta 4 mi W of Cassell rd jct with St Hwy 299, near Hat Creek. 976 Comment
  UCR208045  Equisetum hyemale subsp. affine Christopher Davidson, R. F. Thorne 1976-8-15 4706 San Bernardino San Bernardino Mtns., Lower South Fork Meadow, San Gorgonio Wilderness Area 2439 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
  RSA684634  Equisetum laevigatum Christopher Davidson, R. F. Thorne 1976-8-14 4526 San Bernardino Fish Cr., on Forest Service Rd 1N05, S of Heart Bar St. Park. 1981 Comment
Read comments
Mar 1 2008
  POM352235  Eragrostis cilianensis Anstruther Davidson 1892-1 s.n. Los Angeles Los Angeles Comment
  POM352237  Eragrostis cilianensis Anstruther Davidson 1904-5-11 1091 Riverside Palm Springs Comment
  RSA473145  Erechtites glomeratus Christopher Davidson 1977-6-19 5952 Mendocino Haven's Neck, small peninsula on coast north of Anchor Bay. Comment
  SBBG71521  Eremalche exilis Anstruther Davidson 1893-1 Unknown Mojave Desert Comment
  RSA432695  Eremalche rotundifolia Anstruther Davidson 1903-5-3 900 Riverside Thermal. Comment
  RSA432701  Eremalche rotundifolia Christopher Davidson 1973-3-9 1654 Inyo Death Valley Nat. Mon. Tributary to Furnace Cr Wash, ca. 2 mi SE of Furnace Cr Inn on St 190. 46 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-BC162973  Eremothera boothii subsp. decorticans A. Davidson 1893-7-1 s.n. Los Angeles Rock Creek, Mojave Desert Comment
  SBBG44594  Eremothera boothii subsp. decorticans Leota Davidson 1966-3-19 302 Los Angeles Tick Cyn off Soledad Cyn Comment
  RSA0105505  Eriastrum densifolium subsp. austromontanum Christopher Davidson 1978-6-15 7381 Riverside Santa Rosa Mts. Road from Hwy 74 to Sta Rosa Mt., ca. 2 mi W of junction to Sta Rosa Spgs Campground. 2087 Comment
  RSA0105797  Eriastrum densifolium subsp. austromontanum Anstruther Davidson 1901-07 2207 San Bernardino 7 Oaks. San Bernardino Mountains. Comment
  RSA0104114  Eriastrum densifolium subsp. austromontanum Anstruther Davidson 1911-07 3022 Inyo Bishop Creek. 1524 Comment
  RSA0104130  Eriastrum densifolium subsp. austromontanum Anstruther Davidson 1913-07 s.n. Inyo Bishop Creek. Comment
  RSA0104867  Eriastrum densifolium subsp. austromontanum Anstruther Davidson 1892-05 s.n. Riverside Banning. 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
  RSA0121277  Eriastrum sapphirinum subsp. dasyanthum Anstruther Davidson 1916-07 s.n. Los Angeles Crescenta. Comment
  RSA0121564  Eriastrum sapphirinum subsp. dasyanthum Christopher Davidson 1975-6-16 2807 Riverside Ca. 4 miles S of Banning on road R1 to Idyllwild. Level saddle between two peaks. 1128 Comment
  RSA0103493  Eriastrum signatum Christopher Davidson 3931 Inyo U.S. Naval Ordnance Test Station. Sheep Canyon (also called Renegade Canyon) petroglyph site. 1555 Comment
  RSA0124149  Eriastrum signatum Christopher Davidson 1975-6-7 2763 Lassen 1 mile E of Beckwourth Pass on Hwy 70. 1524 Comment
  UC31076  Ericameria arborescens Prof. Davidson Unknown Comment
  POM359313  Ericameria cooperi Anstruther Davidson 1910-4-25 2412 Inyo Haiwee. Comment
  SBBG119489  Ericameria cooperi var. cooperi Leota Davidson 1965-5-14 182 Riverside Joshua Tree Nat Monument Comment
  POM359333  Ericameria cuneata var. spathulata Anstruther Davidson 1910-4-25 s.n. Inyo Haiwee. Comment
  POM359344  Ericameria cuneata var. spathulata Christopher Davidson 1979-5-22 8111 San Bernardino San Bernardino Mts. Grapevine Canyon. 5.9 mi S of Hwy 18 on Grapevine Canyon rd. 1524 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
  POM359379  Ericameria linearifolia Christopher Davidson, Alan Romspert 1979-5-17 7994 Inyo Panamint Mountains, Johnson Canyon. Trail up the creek to Hungry Bill's. 1189 Comment
  POM359380  Ericameria linearifolia Anstruther Davidson 1910-4-25 2413 Inyo Haiwee. Comment
  SEINET4007728 Image available Ericameria linearifolia C. Davidson 1975-1 2527 Ventura East of Ozena Sta. on Forest Service Rd 9N03, jct. of Rd 9N03 and 9N03C. 1219 Comment
  UC36550  Ericameria linearifolia Dr. A. Davidson 1895-1-1 Unknown Comment
  SBBG46702  Ericameria nauseosa var. hololeuca Leota Davidson 1965-10-8 277 Inyo US 395, ca. 10 mi S of Bishop Comment
  UC147331  Ericameria nauseosa var. oreophila A. V. Davidson 1904-9-26 1 Inyo Independence Comment
  UC146990  Ericameria nauseosa var. oreophila A. V. Davidson 1904-9-1 3 Inyo Comment
  UCR143332  Ericameria parishii Anstruther Davidson 1916-1 3146 Los Angeles San Gabriel Mtns, La Crescenta [between Verdugo Mtns and San Gabriel Mtns] 610 Comment
  UC31177  Ericameria parryi var. imula D. A. Davidson 1896-1-1 San Bernardino Bear Valley Comment
Read comments
Feb 16 2010
  POM359552  Ericameria suffruticosa Anstruther Davidson 1913-07 2883 Inyo South Fork Bishop Creek Comment
  POM357602  Erigeron Anstruther Davidson s.n. Los Angeles E. Los Angeles. Comment
  POM357390  Erigeron aphanactis var. aphanactis Christopher Davidson 1976-6-4 4180 Inyo Harkless Flat Road, 1.3 mile S of jct. with Waucoba Road 2073 Comment
  POM357391  Erigeron aphanactis var. aphanactis Christopher Davidson 1976-6-8 4300 Inyo White Mountains, On Westgard Road., 7 mi N of junction with Waucoba Road. (2.2 mi past Toll House) 2058 Comment
  POM357387  Erigeron aphanactis var. aphanactis Anstruther Davidson 1926-07 s.n. Mono Bishop Creek Comment
  POM357396  Erigeron aphanactis var. congestus Christopher Davidson 1976-6-26 4454 San Bernardino Northwest end of Baldwin Lake, Northwest of Highway 38. 1982 Comment
  POM357404  Erigeron aphanactis var. congestus Christopher Davidson 1976-8-14 4567 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
  SBBG52820  Erigeron breweri C. Davidson, J. A. Churchill 1976-9-16 4738 Kern USFS Rd 8N18 (Fir Ridge Rd), branching N of paved rd to Pine Mtn [Mt Pinos] Summit, ca. 12.6 mi N of Frazier Park jct 2331 Comment
  POM357420  Erigeron breweri var. porphyreticus Christopher Davidson 1976-6-7 4280 Inyo 8 miles South of Waucoba-Eureka valley rd on road to Saline Valley. 1524 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
  POM357480  Erigeron divergens Anstruther Davidson 1910-07 2508 Los Angeles Hollywood Comment
  CAS-BOT-BC300397  Erigeron eatonii var. plantagineus Christopher Davidson 1975-6-8 2795 Mono 2.2 mi N of Conway Summit (8 mi S of Bridgeport) on Hwy 395 2316 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
  RSA271925  Erigeron lassenianus Christopher Davidson 1975-6-7 2741 Plumas 3 miles W on road to Snake Lake, departing NW from Hwy. 89 ca. 2 miles N of Quincy. 1273 Comment
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Aug 21 2012
  HSC46474  Erigeron parishii Christopher Davidson 1978-6-18 7295 San Bernardino San Bernardino Mts. Hwy. 18, 8.7 mi. SE of Lucerne Valley, 0.1 mi. inside San Bernardino Nat. Forest. NE side of the road. 1372 Comment
  POM357559  Erigeron philadelphicus Anstruther Davidson 1890-05 2017 Los Angeles San Gabriel [River] near El Monte Comment
  RSA271906  Erigeron sonnei Christopher Davidson 1975-6-8 2795 Mono 2.2 miles N of Conway Summit (8 mile S of Bridgeport) on Hwy. 395. 2317 Comment
  POM357594  Erigeron tener Anstruther Davidson 1913-08 2888 Inyo Lake Sabrina. 2744 Comment
  RSA401516B  Eriodictyon californicum Christopher Davidson 1975-6-6 2705 Trinity Junction of Highway 3 and dirt road west to Red Mountain Meadows and Stonewall Pass, ca. 15 miles south of Trinity Center. 716 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
  RSA0060042  Eriodictyon crassifolium var. crassifolium Christopher Davidson, B. Gustafson 1975-6-24 2876 Los Angeles Big Tujunga Canyon, ca. 5 mi NE of Sunland on Rd 2N78. 686 Comment
  RSA393087  Eriogonum baileyi var. baileyi Anstruther Davidson 1911-07 s.n. Inyo Andrews Camp. Bishop Creek [Now Bishop]. Comment
  RSA423134  Eriogonum baileyi var. baileyi Christopher Davidson 1978-9-10 7459 Mono Trail to Lake Mildred, 1-5 miles southwest of Convict Lake, SW of Hwy 395 2439 Comment
  RSA393091  Eriogonum baileyi var. baileyi Anstruther Davidson 1891-1 s.n. Los Angeles Little Rock Creek. 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
  RSA393129  Eriogonum caespitosum Christopher Davidson 1976-6-8 4306 Inyo White Mountains, On Westgard Road., 7 mi N of junction with Waucoba Road. (2.2 mi past Toll House) 2058 Comment
  GH36278  Eriogonum crocatum A. Davidson 3576 Unknown Comment
  RSA393171  Eriogonum davidsonii Christopher Davidson 1975-7-3 2962 Kern Across from McGill Campground on road to Mount Pinos, Los Padres National Forest. 2203 Comment
  UC6220  Eriogonum davidsonii Dr. A. Davidson May, 1895 San Bernardino Mohave Desert Comment
  RSA350561  Eriogonum davidsonii Anstruther Davidson 1892-8-20 s.n. Los Angeles Wilson's Peak Comment
  RSA393268  Eriogonum deflexum var. deflexum Anstruther Davidson 1926-03 s.n. Riverside Colorado Desert. Comment
  RSA393282  Eriogonum deflexum var. deflexum Christopher Davidson, A. Romspert, H. Surprenant 1979-4-28 7774 Imperial Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob. 79 Comment
  RSA0057503  Eriogonum foliosum Christopher Davidson 1976-7-17 4471 San Bernardino San Bernardino Mountains, on Van Dusen Canyon Road (3N09) 3 mi. N of Hwy 38. 2226 Comment
  UC66810  Eriogonum gracillimum A. Davidson 1901-8-1 Los Angeles Rock Creek Comment
  RSA393216  Eriogonum grande var. grande Anstruther Davidson s.n. Los Angeles Catalina [Island] Comment
  RSA393561  Eriogonum heermannii Anstruther Davidson s.n. Kern Tejon Comment
  RSA42429  Eriogonum heermannii var. argense Christopher Davidson 1976-6-7 4258 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
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Oct 9 2013
  RSA393534B  Eriogonum incanum Anstruther Davidson 1905-07 s.n. San Bernardino Bluff Lake. Comment
  SBBG25151  Eriogonum inflatum var. inflatum Leota Davidson 1965-5-10 1363 San Bernardino between Victorville and Joshua Tree Comment
  RSA393572  Eriogonum inflatum var. inflatum Anstruther Davidson 1910-4-28 s.n. Inyo Haiwee. Comment
  RSA393553  Eriogonum kennedyi Christopher Davidson 1976-6-9 4359 San Bernardino on St. Hwy 18, Cushenbury Grade Summit. San Bernardino Mountains. 2058 Comment
  RSA393552  Eriogonum kennedyi var. purpusii Christopher Davidson 1976-6-7 4264 Mono East of Lake Crowley; on dirt rd. 3S53, 2.75 mi. appx W of junction with rd. 4S34. Inyo National Forest. 2134 Comment
  RSA731806  Eriogonum microtheca var. lacus-ursi Anstruther Davidson 1907-09 2284 San Bernardino Bear Valley. Comment
  SBBG45492  Eriogonum mohavense Leota Davidson 1965-5-10 136 c San Bernardino between Victorville and Joshua Tree Comment
  RSA393378  Eriogonum nidularium Christopher Davidson 1976-5-17 3922 Inyo U.S. Naval Ordinance Test Station. Sheep Canyon (also called Renegade Canyon) petroglyph site. 1555 Comment
  RSA393304  Eriogonum nudum var. deductum Anstruther Davidson 1911-07 s.n. Inyo Andrews Camp. Bishop Creek [Now Bishop]. Comment
  RSA766351  Eriogonum nudum var. deductum Anstruther Davidson 1928-08 1513 Plumas Feather River Canyon. 1677 Comment
  SCFS76  Eriogonum nudum var. nudum E. Davidson 1964-7-14 714643 Nevada Sagehen Basin, Ca. 0.5 mi E of station on side of rd 1951 Comment
  RSA393332  Eriogonum nudum var. nudum Christopher Davidson 1977-6-20 6022 Sonoma Dry Creek Rd., 9.3 miles W of Geyserville. 91 Comment
  CAS-BOT-BC269767  Eriogonum nudum var. pauciflorum Dr. A. Davidson 1893-7-1 s.n. Los Angeles Rock Cr., Mojave slope of San Berd. Mts. Comment
  RSA393616  Eriogonum nudum var. pauciflorum Christopher Davidson 1975-7-13 2985 Ventura Near McGill Campground, W of junc. of campground rd and rd to Mt. Pinos summit. 2172 Comment
  RSA393305  Eriogonum nudum var. westonii Anstruther Davidson 1910-4-26 s.n. Inyo Little Lake. 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
  RSA393052  Eriogonum parishii Anstruther Davidson 1895-9-1 s.n. San Bernardino Bear Valley, San Bernardino Mountains. 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
  RSA424842A  Eriogonum pusillum Anstruther Davidson, H. E. Hasse 1906-6-1 1616 Los Angeles Big Rock Creek, Lowell Mine. 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
  SBBG65211  Eriogonum pusillum Anstruther Davidson -Jul-1893 Los Angeles Big Rock Crk Comment
  RSA424876  Eriogonum rixfordii Christopher Davidson 1976-6-5 4225 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
  RSA423128  Eriogonum rosense Christopher Davidson 1978-9-10 7474 Mono Trail to Lake Mildred, 1-5 miles SW of Convict Lake, SW of Hwy 395. 2896 Comment
  CAS-BOT-BC267754  Eriogonum roseum Dr. Davidson 189_ [Date incomplete on sheet.] s.n. Los Angeles Mountains near Antelope Valley Comment
  RSA424884B  Eriogonum roseum Christopher Davidson, J. A. Churchill 1976-9-16 4759 Kern Road to Mt. Pinos summit, W of Frazier Park, ca. 2 mi. N of Frazier Park junction. 1524 Comment
  RSA424893  Eriogonum roseum Anstruther Davidson 1908-07 1645 Tulare Sequoia National Forest. Comment
  RSA424912B  Eriogonum saxatile Christopher Davidson, Alan Romspert 1979-5-17 8003 a Inyo Panamint Mountains, Johnson Canyon. Trail up the creek to Hungry Bill's. 1189 Comment
  RSA424922A  Eriogonum saxatile Anstruther Davidson 1908-07 1643 Tulare Sequoia National Forest. Comment
  RSA424955  Eriogonum thomasii Christopher Davidson 1979-4-4 7684 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  RSA424969  Eriogonum thomasii Christopher Davidson 1973-3-10 1726 San Bernardino Small hill 4 miles S of Ibex Pass on St 127, Inyo-SB County Line. 305 Comment
  RSA420559  Eriogonum umbellatum var. canifolium Christopher Davidson 1975-7-3 2974 Kern Rd to Mt Pinos. Steep E slope facing N branch of Seymour Cr, toward Mt Pinos Campgrnd. Los Padres Nat. Forest. 2287 Comment
  RSA420580  Eriogonum umbellatum var. goodmanii Christopher Davidson 1975-6-5 2658 Siskiyou just above gate on special service rd branching SE off rd from Gazelle to Callahan 9.3 mi. W of Gazelle. 1471 Comment
  RSA420579  Eriogonum umbellatum var. modocense Christopher Davidson 1973-5-26 2144 Modoc 1 mile N of Adin Summit on St. Hwy 299; Modoc Nat'l Forest 1524 Comment
  CAS-BOT-BC268213  Eriogonum umbellatum var. munzii Dr. A. Davidson 1893-7-1 s.n. Los Angeles Rock Cr., San Gabriel Mts. Comment
  RSA420567  Eriogonum umbellatum var. nevadense Anstruther Davidson 1911-07 s.n. Inyo Andrews Camp. Bishop Creek [Now Bishop]. Comment
  SCFS843  Eriogonum umbellatum var. polyanthum E. Davidson 1964-7-14 714644 Nevada Sagehen Basin, Ca. 0.5 mi E of station on side of rd 1951 Comment
  RSA420595  Eriogonum wrightii var. subscaposum Christopher Davidson 1975-8-30 3202 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
  RSA423072  Eriogonum wrightii var. subscaposum Anstruther Davidson 1892-8-20 s.n. Los Angeles Wilson's Peak Comment
  SBBG52752  Eriogonum wrightii var. subscaposum C. Davidson, J. A. Churchill 1976-9-16 4735 Kern W end of Cuddy Valley on rd to Mt Pinos summit; on N side of rd 1691 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
  POM358030  Eriophyllum lanatum var. arachnoideum Christopher Davidson 1977-6-18 5912 Mendocino Mountain View Road, 20.3 miles E of Coast Hwy 1. 244 Comment
  POM358105  Eriophyllum pringlei Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. 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
  POM358164  Eriophyllum wallacei Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  POM358180  Eriophyllum wallacei Christopher Davidson 1973-4-7 1922 San Bernardino Off Hwy 62, toward Yucca Valley, 6.2 miles east, above Morongo Valley. 884 Comment
  POM358186  Eriophyllum wallacei Anstruther Davidson 1923-4-1 s.n. San Bernardino Victorville. Comment
  RSA358168  Eriophyllum wallacei Anstruther Davidson 1925-5-1 s.n. San Diego San Diego. Comment
  SBBG25231  Eriophyllum wallacei Leota Davidson 1965-5-15 122 San Bernardino between Victorville and Mojave 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
  RSA530213  Erysimum capitatum var. capitatum Christopher Davidson 1975-8-16 3102 San Bernardino E end of Bluff Lake along small forest runoff channel 2-3 ft. deep damp margins and bottom 2317 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
  CAS-BOT-BC151579  Erythranthe parishii A. Davidson 1901-8-1 s.n. Inyo Rock Creek Comment
  RSA0023136  Eschscholzia minutiflora Anstruther Davidson 1893-04 s.n. Riverside Palm Springs. Comment
  RSA0036216  Eschscholzia minutiflora Christopher Davidson, B. Gustafson, R. F. Thorne 1979-5-22 8049 San Bernardino San beranrdino Mts. Lower, eastern desert slopes toward Apple Valley., Near jct of Flicker and Oriole Rds, off Grapevine Rd. 1135 Comment
  RSA445654  Eschscholzia minutiflora Anstruther Davidson 1910-4-25 s.n. Inyo Haiwee Comment
  RSA445453  Eschscholzia parishii Christopher Davidson 1979-4-4 7714 Riverside Orocopia Mountains; Box Canyon on Box Canyon Road, 13.4 miles E of Mecca 488 Comment
  RSA0022917  Eschscholzia parishii Christopher Davidson 1973-4-1 1840 Riverside Along Hwy 74 on desert hillside facing Palm Desert. 488 Comment
  RSA435429  Eucnide urens Anstruther Davidson 1928-4-27 9193 Inyo Furnace Creek, Death Valley, Inyo County Comment
  RSA420931  Eucrypta chrysanthemifolia Christopher Davidson 1973-4-1 1801 Riverside Agua Tibia Mountains. Highway 71/79 approximately 7 miles from junction of US 395 South. 412 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
  UC753514  Eucrypta chrysanthemifolia var. chrysanthemifolia John F. Davidson 1947-4-12 4627 Santa Barbara Santa Barbara mesa; Santa Barbara Comment
  JEPS51917  Euphorbia esula W. T. Davidson Siskiyou Fort Jones Comment
  SBBG52740  Euphorbia lurida C. Davidson 1976-6-9 4376 San Bernardino Hwy 38, 0.4 mi SE of Onyx Summit 2560 Comment
  HSC46482  Euphorbia palmeri Christopher Davidson 1976-6-26 4431 San Bernardino San Bernardino Mtns., Green Valley Rd., 1.4 mi. from junction with Hwy. 18 1966 Comment
  RSA432443  Euphorbia palmeri Anstruther Davidson 1893-7-4 s.n. Los Angeles Big Rock. Comment
  RSA432456  Euphorbia peplus Anstruther Davidson 1917-07 3259 Los Angeles County Hospital Comment
  RSA473726  Euthamia occidentalis Anstruther Davidson 1890-06 s.n. Los Angeles E. Los Angeles. Comment
  RSA391189  Fagonia laevis Christopher Davidson 1979-4-4 7705 Riverside Orocopia Mountains: Box Canyon on Box Canyon Road, 5.9 miles E of Mecca 305 Comment
  RSA576025  Fagonia laevis Christopher Davidson 1979-4-4 7705 Riverside Orocopia Mountains: Box Canyon on Box Canyon Road, 5.9 miles E of Mecca 305 Comment
  RSA415966  Festuca californica subsp. parishii Anstruther Davidson s.n. Los Angeles Catalina [Island] Comment
  RSA393809  Filago californica Anstruther Davidson 1929-3-1 s.n. San Diego Teleprceple ? Canyon Comment
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Sep 2 2016
  RSA393737  Filago depressa Christopher Davidson 1973-4-7 1918 San Bernardino St. Hwy 62, ca 5 mi w of jct. with St. Hwy 18 [Hwy 62 and 247 jct], toward hills on the right (as going toward Morongo Valley.) 915 Comment
  RSA393739B  Filago gallica Christopher Davidson 1977-6-24 6108 Mendocino Mountain View Road, 7.1 miles east of US Hwy. 101 625 Comment
  RSA464876  Forestiera neomexicana Anstruther Davidson 1930-4-24 s.n. Los Angeles Near Van Nuys 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
  UC22590  Forestiera pubescens Dr. A. Davidson 1904-6-18 Los Angeles Lancaster Comment
  RSA397752  Forsellesia nevadensis Christopher Davidson 1977-5-27 5778 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
  RSA451790  Fragaria virginiana subsp. platypetala Anstruther Davidson 1911-07 s.n. Inyo Bishop Creek. 1524 Comment
  RSA451791  Fragaria virginiana subsp. platypetala Anstruther Davidson 1911-07 2639 Inyo Near north fork junction, Bishop Creek Comment
  RSA0018439  Frangula californica subsp. cuspidata Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  RSA392152  Frasera albomarginata Christopher Davidson 1977-5-28 5795 San Bernardino New York Mountains, Keystone Springs, toward head of Keystone Canyon, east side of New York Mts. 1828 Comment
  RSA392138  Frasera neglecta Anstruther Davidson 1893-7-4 s.n. Los Angeles Big Rock. Comment
  RSA392141  Frasera parryi Anstruther Davidson 1876-6-7 s.n. Riverside Strawberry Valley. San Jacinto Mt. Comment
  RSA0003728  Frasera puberulenta Anstruther Davidson 1911-07 2705 Inyo South Lake, Bishop Creek. 3049 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
  RSA464923  Fraxinus dipetala Anstruther Davidson 1890-5-5 s.n. Ventura Hoppers Ranch. Comment
  RSA426875  Fremontodendron californicum Anstruther Davidson 1893-7-4 s.n. Los Angeles Big Rock. Comment
  RSA367710  Fritillaria atropurpurea Anstruther Davidson 1910-07 2703 Inyo Bishop Creek 2896 Comment
  RSA367711  Fritillaria atropurpurea Christopher Davidson 1975-6-7 2727 Lassen 2.1 mi W of Westwood on Hwy 36. 1555 Comment
  RSA367722  Fritillaria biflora Anstruther Davidson 1909-04 2335 Los Angeles Hollywood. Comment
  RSA367723  Fritillaria biflora Anstruther Davidson 1892-04 s.n. Los Angeles Cahuenga. Comment
Read comments
Oct 3 2010
  RSA458589  Funastrum cynanchoides var. hartwegii Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  SBBG45678  Funastrum hirtellum Leota Davidson 1965-5-10 187 Riverside rd to Cottonwood Spring Cmpgrd, ca. 23 mi S of Twentynine Palms, Joshua Tree Nat Monument Comment
  SBBG45700  Funastrum hirtellum Leota Davidson 1965-5-13 187 Riverside Joshua Tree Nat Monument Comment
  SBBG58630  Funastrum hirtellum Anstruther Davidson -Apr-1893 Riverside Palm Springs Comment
  POM367627  Galium Anstruther Davidson 1908-07 1759 Tulare Sequoia National Forest. Comment
  SBBG46735  Galium andrewsii subsp. intermedium Leota Davidson 1966-5-14 326 Los Angeles Hwy 99 (Ridge Route), S of Oak Flat cmpgrd on Whitaker Park Rd Comment
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Jul 1 2015
  POM367712  Galium angustifolium subsp. angustifolium Christopher Davidson 1973-4-1 1808 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  POM367721  Galium angustifolium subsp. angustifolium Christopher Davidson, B. Gustafson, Robert F. Thorne 1979-5-22 8095 San Bernardino San Bernardino Mts. Grapevine Canyon. North desert slope. 6.5 mi S of Hwy 18 on Grapevine Canyon Rd. 1610 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
  SBBG52725  Galium aparine C. Davidson, L. DeBuhr 1976-6-26 4392 San Bernardino ca. 10 mi WSW of Running Springs on St Hwy 30; San Bernardino Mtns 1158 Comment
  POM367780  Galium buxifolium Anstruther Davidson 1930-1 s.n. Santa Barbara Santa Cruz Island. Comment
  POM367797  Galium catalinense subsp. catalinense Anstruther Davidson 1891-6-20 s.n. Los Angeles Catalina Island 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
  POM367853  Galium multiflorum Anstruther Davidson 1911-07 2696 Inyo Andrews Camp. Bishop Creek [Now Bishop]. Comment
  RSA466694B  Galium saxatile Anstruther Davidson 1883-06 s.n. Los Angeles Cample, Thornhill Comment
  SD107348  Galium trifidum subsp. subbiflorum Christopher Davidson 1975-8-16 3137 San Bernardino along NE shore of Bluff Lake, S of Big Bear Lake 2316 Comment
  POM367852  Galium trifidum var. pusillum Anstruther Davidson 1901-07 2282 San Bernardino Bear Valley, San Bernardino Mountains. Comment
  POM367840  Galium triflorum Anstruther Davidson 1908-07 1758 Tulare Sequoia National Forest. Comment
  POM358921  Gamochaeta pensylvanica Anstruther Davidson 1914-06 2973 Los Angeles Azusa Station Comment
  RSA392402  Garrya veatchii Anstruther Davidson 1893-6-12 1898 Los Angeles Switzer's Trail. Comment
  RSA413934  Gastridium phleoides Anstruther Davidson 1917-06 3252 Los Angeles Crescenta. Comment
  RSA263977  Gayophytum diffusum subsp. parviflorum Christopher Davidson, Robert F. Thorne 1976-8-15 4715 San Bernardino San Bernardino Mountains, Lower South Fork Meadow, San Gorgonio Wilderness Area. 2317 Comment
  RSA355370  Gayophytum diffusum subsp. parviflorum Christopher Davidson 1975-8-16 3107 San Bernardino E end of Bluff Lake along small forest runoff channel 2-3 ft deep, damp bottom and banks 2317 Comment
  POM355407  Gayophytum racemosum Anstruther Davidson 1908-07 1660 Tulare Sequoia State Park, [illegible] 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
  RSA392212  Gentiana fremontii Christopher Davidson, Robert F. Thorne 1976-8-15 4651 San Bernardino Upper South Fork Meadow, San Gorgonio Wilderness Area. 2561 Comment
  SCFS286  Gentianopsis simplex E. Davidson 1964-7-22 722645 Nevada Sagehen Basin, Ca. 0.25 mi SE in open mdw 1951 Comment
  RSA0028192  Geranium carolinianum Christopher Davidson 1973-5-19 2075 Mendocino E of Willits on dirt rd. off Hearst Rd. (Hwy. 20). 762 Comment
  RSA263615  Geranium richardsonii Christopher Davidson, Robert F. Thorne 1976-8-14 4590 San Bernardino Fish Cr., on Forest Service Rd 1N05, S of Heart Bar St. Park. 1982 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
  SBBG52739  Geranium richardsonii C. Davidson 1976-6-9 4375 San Bernardino Hwy 38, 0.4 mi SE of Onyx Summit 2560 Comment
  UCR137156  Geum macrophyllum Christopher Davidson, R. F. Thorne 1976-8-14 4560 San Bernardino San Bernardino Mtns, Fish Creek Meadows, at the end of Forest Service Road 1N05, South of Heart Bar State Park 2439 Comment
  RSA454246  Geum macrophyllum Anstruther Davidson 1913-7-1 s.n. Inyo Bishop Creek. Comment
  RSA454454  Geum triflorum var. ciliatum Christopher Davidson 1973-5-26 2140 Modoc 1 mile N of Adin Summit on St. Hwy 299; Modoc Nat'l Forest 1524 Comment
  SD107308  Gilia Christopher Davidson 1975-6-7 2756 Lassen 1.0 mile east of Beckwourth Pass on Highway 70. 1524 Comment
  RSA470092  Gilia achilleifolia subsp. multicaulis Anstruther Davidson 1926-05 s.n. Ventura Santa Susana Pass. Comment
  RSA469713  Gilia aliquanta subsp. breviloba Anstruther Davidson 1906-6-1 s.n. Los Angeles Big Rock Creek, Lowell Mine. Comment
  RSA470172  Gilia brecciarum Christopher Davidson 1975-6-7 2757 Lassen 1 mile E of Beckwourth Pass on Hwy 70. 1524 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
  RSA469334  Gilia capitata Christopher Davidson 1973-5-26 2164 Shasta ca. 15 mi W of Burney on St Hwy 299. Above roadbank on abandoned dirt rd near Hwy 299 915 Comment
  RSA470220  Gilia capitata subsp. abrotanifolia Anstruther Davidson s.n. Ventura Hueneme. Comment
  RSA470221  Gilia capitata subsp. abrotanifolia Anstruther Davidson 1906-5-12 1458 Los Angeles Providencia Ranch, Hollywood. Comment
  RSA470247  Gilia capitata subsp. abrotanifolia Christopher Davidson 1975-5-25 2551 Los Angeles Ca. 1 mi NE of Old Ridge Route (8N04) on rd 7N23 to Liebre Mountain. Angeles Nat. For 1357 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
  RSA470212  Gilia capitata subsp. abrotanifolia Anstruther Davidson 1890-4-10 s.n. Los Angeles Foothills, Los Angeles. Comment
  RSA470213  Gilia capitata subsp. abrotanifolia Anstruther Davidson 1890-04 s.n. Los Angeles Los Angeles. Comment
  RSA0004781  Gilia inconspicua var. dentiflora Anstruther Davidson 1926-05 3617 Los Angeles Lancaster, Mohave Desert Comment
  RSA469721  Gilia interior Christopher Davidson 1978-6-24 7376 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
  CAS-BOT-BC225446  Gilia leptantha subsp. pinetorum Christopher Davidson 1978-6-24 7376 Ventura Dirt road to Mt. Pinos summit and condor observation site, beyond the public parking area. 2590 Comment
  RSA350823  Gilia lineata Anstruther Davidson 1923-04 3570 Riverside Idyllwild. Comment
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Oct 22 2011
  RSA469469  Gilia modocensis Anstruther Davidson 1907-6-10 s.n. Kern Tehachapi Mts. Comment
  RSA469482  Gilia ochroleuca subsp. bizonata Anstruther Davidson 1906-6-1 1931 Los Angeles Big Rock Creek, Lowell Mine. Comment
  UC23668  Gilia ochroleuca subsp. vivida Dr. A. Davidson July, 1895 Kern Tehachapi Comment
  RSA0017160  Gilia ochroleuca subsp. vivida Anstruther Davidson 1895-6-6 1943 Los Angeles Mt. Wilson Comment
  RSA469508  Gilia ophthalmoides Christopher Davidson 1977-5-29 5841 San Bernardino Caruthers Canyon, south end of New York Mountains 1768 Comment
  RSA469624  Gilia scopulorum Christopher Davidson 1973-3-9 1705 Inyo Death Valley National Monument. Rhodes Wash below jct with Bradbury Wash, 1/2 mi SW of Jubilee Pass on St 178. 457 Comment
  RSA469625  Gilia scopulorum Christopher Davidson 1973-3-9 1686 Inyo Death Valley Nat. Mon. Jubilee Pass on St 178. 402 Comment
  RSA470176B  Gilia sinuata Anstruther Davidson 1906-06 s.n. Los Angeles Big Rock Creek. 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
  RSA469468  Gilia tetrabreccia Christopher Davidson 1975-7-3 2971 Kern Road to Mt Pinos. Steep E slope facing N branch of Seymour Cr, toward Mt Pinos Campgrnd. Los Padres Nat. Forest. 2287 Comment
  UC29078  Githopsis diffusa subsp. diffusa Dr. A. Davidson 1892-1 Los Angeles near Los Angeles 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
  SD99383  Glossopetalon spinescens var. aridum Christopher Davidson 1977-5-28 5810 San Bernardino E. Mojave Desert, New York Mts, Keystone Canyon, Keystone Spring 1830 Comment
  UC30129  Glyptopleura setulosa Dr. A. Davidson 1895-1 Kern Lancaster Comment
  POM358781  Gnaphalium californicum Anstruther Davidson 1919-1 s.n. Los Angeles Streets, Los Angeles. Comment
  POM358797  Gnaphalium californicum Christopher Davidson 1976-6-26 4407 San Bernardino 10 miles WSW of Running Springs on State Highway 30. 1159 Comment
  POM358818  Gnaphalium chilense Anstruther Davidson 1889-09 S.N. Los Angeles Foothill L.A. Comment
  POM358713  Gnaphalium leucocephalum Anstruther Davidson s.n. Los Angeles Verdugo Wash. Comment
  SD107352  Gnaphalium palustre Christopher Davidson 1975-8-16 3135 San Bernardino Along northeast shore of Bluff Lake south of Big Bear Lake. 2315 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
  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
  RSA430047  Guillenia lasiophylla Christopher Davidson 1973-4-7 1894 Los Angeles Juniper Hills toward Devil's Punchbowl, east side of San Gabriel Mtns. 1066 Comment
  RSA430058  Guillenia lasiophylla Christopher Davidson 1973-4-7 1929 San Bernardino Off Hwy 62, toward Yucca Valley, 6.2 miles east, above Morongo Valley. 884 Comment
  POM500843  Guillenia lasiophylla Christopher Davidson, Robert Gustafson, Frances Runyan 1973-3-26 1753 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
  RSA248691  Guillenia lasiophylla Christopher Davidson 1973-3-26 1738 Los Angeles Escondido Canyon Rd, ca. 1 mi NE of jct with Agua Dulce Rd. 762 Comment
  RSA430045  Guillenia lasiophylla Anstruther Davidson 1926-5-1 s.n. Kern Mojave Desert. Comment
  UC10952  Guillenia lasiophylla Dr. A. Davidson 1895-1 Kern Antelope Valley, Southern California Antelope Valley Comment
  POM359188  Gutierrezia californica Anstruther Davidson 1893-4-12 s.n. Riverside Palm Springs. Comment
  POM359211  Gutierrezia sarothrae Christopher Davidson 1977-5-26 5709 San Bernardino Clark Mountains; Pachalka Spring 1524 Comment
  RSA263628  Gutierrezia sarothrae Christopher Davidson, R. F. Thorne 1976-8-14 4539 San Bernardino Fish Creek Meadows, at the end of Forest Service Road 1N05, S of Heart Bar State Park. 2439 Comment
  UC1541191  Hackelia mundula Leota Davidson 1966-7-13 428 Tulare 3 mi up dirt road across from Quaking Aspen Campground (off Hwy 190) 1981 Comment
  RSA403565  Hainardia cylindrica Anstruther Davidson 1915-6-11 3075 Los Angeles Los Angeles. Comment
  SD99358  Hedeoma nana subsp. californica Christopher Davidson 1977-5-26 5716 San Bernardino Clark Mountain, Pachalka Spring. 1524 Comment
  RSA441804  Helianthemum scoparium var. aldersonii Christopher Davidson, Larry E. DeBuhr, Davidson 1976-6-26 4404 San Bernardino 10 miles WSW of Running Springs on State Highway 30. 1159 Comment
  NY621871  Helianthus nuttallii subsp. parishii A. Davidson 09 1901 s.n. Los Angeles Eaast Los Angeles Comment
  RSA467592  Hemitomes congestum Christopher Davidson 1977-6-24 6105 Mendocino Mountain View Rd. toward Boonville, 4.8 mi E of US Hwy 101, almost to Titus Heights. 457 Comment
  POM360275  Hemizonia fasciculata Anstruther Davidson 1908-6-7 1796 Los Angeles Hollywood. Comment
  RSA0128926  Hesperochiron californicus Christopher Davidson 1975-6-6 2719 Lassen 2.8 miles W of Bogard Work Center and roadside rest on Hwy 44. 1684 Comment
  RSA435706  Hesperolinon micranthum Anstruther Davidson 1893-5-20 s.n. Los Angeles Newhall. Comment
  RSA436249  Heterocodon rariflorum Christopher Davidson 1975-8-16 3128 San Bernardino E end of Bluff Lake along small forest runoff channel 2-3 ft deep, damp bottom and banks 2317 Comment
  SEINET10460702  Heterocodon rariflorum Davidson Davidson s.n. Kern TEHACHAPI MTS. Comment
  RSA0075916  Heterotheca grandiflora Leota Davidson 1966-6-12 493 Ventura Few blocks from ocean, Ventura Marina. Comment
  RSA0062929  Heuchera elegans Anstruther Davidson 1915-8-1 3087 Los Angeles Camp Baldy. Comment
  RSA0062930  Heuchera elegans Anstruther Davidson 1892-6-14 s.n. Los Angeles Wilson's Peak. Comment
  RSA0063242  Heuchera parishii Anstruther Davidson 1909-07 2270 San Bernardino Bear Valley, S.B. Mts. Comment
  RSA0063331  Heuchera rubescens var. alpicola Christopher Davidson 1977-5-27 5787 b 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
  POM360453  Hieracium albiflorum Anstruther Davidson 1893-7-4 s.n. Los Angeles Rock Creek. Comment
  POM360438  Hieracium albiflorum Christopher Davidson 1977-6-19 5973 Mendocino 2.2 miles east of Gualala on County Road 502; bridge over Gualala River. 15 Comment
  RSA360462  Hieracium argutum Anstruther Davidson 1890-09 s.n. Los Angeles Millards Canon, Pasadena. Comment
  POM360485  Hieracium horridum Anstruther Davidson 1908-07 2063 Tulare Sequoia National Park [county not specified]. Comment
  POM352407  Holcus lanatus Christopher Davidson 1977-6-19 5966 Mendocino Haven's Neck, small peninsula on coast north of Anchor Bay. Comment
  RSA449768  Holodiscus discolor Anstruther Davidson 1889-07 s.n. Los Angeles Los Angeles. Comment
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Sep 17 2014
  RSA449799  Holodiscus microphyllus Christopher Davidson, Robert F. Thorne 1976-8-14 4559 San Bernardino Fish Creek Meadows, at the end of Forest Service Road 1N05, S of Heart Bar State Park. 2439 Comment
  RSA449802  Holodiscus microphyllus Anstruther Davidson 1913-07 s.n. Inyo Bishop Creek. Comment
  RSA449803  Holodiscus microphyllus Anstruther Davidson 1913-07 2893 Inyo Andrews Camp, Bishop Creek Comment
  RSA449815  Holodiscus microphyllus Anstruther Davidson 1908-07 1686 Tulare Sequoia National Forest. Comment
  RSA263617  Hordeum brachyantherum Christopher Davidson, Robert F. Thorne 1976-8-14 4551 San Bernardino Fish Creek Meadows, at the end of Forest Service Road 1N05, S of Heart Bar State Park 2439 Comment
  HSC66574  Horkelia parryi Christopher Davidson, R. F. Thorne 1976-8-14 4566 San Bernardino Fish Creek Meadows, at the end of Forest Service Road 1N05, South of Heart Bar State Park 2439 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
  RSA451647  Horkelia rydbergii Anstruther Davidson 1895-1 s.n. San Bernardino Bear Valley Comment
  RSA451576  Horkelia tridentata Christopher Davidson 1973-5-26 2168 Shasta ca. 15 mi W of Burney on St Hwy 299. Above roadbank on abandoned dirt rd near Hwy 299 915 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
  RSA0001953  Hutchinsonia Anstruther Davidson 1893-5-12 s.n. Los Angeles Del Sur. Comment
  POM361081  Hymenoclea salsola Christopher Davidson, B. Gustafson, R. F. Thorne 1979-5-22 8055 San Bernardino Toward Apple Valley, near jct of Flicker and Oriole Rds, off Grapevine Rd. 1136 Comment
  RSA458213  Hypericum androsaemum Anstruther Davidson s.n. Los Angeles Catalina [Island] Comment
  RSA263614  Hypericum formosum var. scouleri Christopher Davidson, R. F. Thorne 1976-8-14 4596 San Bernardino Fish Cr., on Forest Service Rd 1N05, S of Heart Bar St. Park. 1981 Comment
  RSA458259  Hypericum formosum var. scouleri Anstruther Davidson s.n. Kern Tehachapi Comment
  UC19043  Hypericum formosum var. scouleri Dr. A. Davidson Jul 1895 Kern Tehachapi Comment
  RSA458265  Hypericum perforatum Christopher Davidson 1973-5-22 2094 Shasta along Hwy 299 ca. 15 mi E of Redding, in rocky streamside places near Little Cow Cr. 396 Comment
  POM361214  Hypochaeris glabra Christopher Davidson 1977-6-19 5944 Mendocino Haven's Neck, small peninsula on coast north of Anchor Bay. Comment
  POM361217  Hypochaeris glabra Anstruther Davidson 1924-4-1 s.n. Santa Barbara San Julian Comment
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May 5 2009
  POM361228  Hypochaeris radicata Christopher Davidson 1977-6-17 5885 Sonoma Coast Hwy 1, ca. 3 miles N of Jenner. Comment
  HSC82772  Hyptis emoryi Christopher Davidson, Alan Romsport, Harvey Surprenant 1979-4-29 7806 Imperial On railroad access rd. toward Glamis, 1.6 miles SE of Cactus, Pilot Knob Mesa. Rock wash channel near railroad bridge No. 1956-05 119 Comment
  RSA420157  Hyptis emoryi Christopher Davidson 1973-4-1 1835 Riverside Palm Springs. 488 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
  RSA469554  Ipomopsis congesta subsp. montana Christopher Davidson 1976-5-23 4056 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
  RSA366778  Iris Anstruther Davidson 1911-07 2713 Inyo Andrews Camp. Bishop Creek [Now Bishop]. Comment
  RSA366781  Iris Anstruther Davidson 1918-07 3343 Humboldt Eel River. Comment
  RSA366779  Iris Anstruther Davidson 1663 Tulare Sequoia National Forest. Comment
  RSA366780  Iris Anstruther Davidson 1930-1-20 s.n Siskiyou Siskiyou County Kessler [? Illeg] Comment
  RSA366797  Iris douglasiana Christopher Davidson 1975-6-4 2645 Shasta 3 mi S of Dickson Flat on Hwy 89. 1220 Comment
  RSA366838  Iris missouriensis Anstruther Davidson 1895-9-1 2178 San Bernardino Bear Valley, San Bernardino Mountains. Comment
  RSA366840  Iris missouriensis Christopher Davidson 1978-6-18 7330 San Bernardino Baldwin Lake, 3 miles E of Big Bear City; Broad, level area at the north end of the ''T''-shaped lake. 2043 Comment
  RSA366846  Iris missouriensis Christopher Davidson 1975-7-13 2995 Ventura 2.8 miles W of McGill Campground on road to Pine Mtn. summit 2401 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
  RSA472814  Jamesia americana var. rosea Christopher Davidson 1970-9-10 7477 Mono Trail to Lake Mildred, 1-5 miles SW of Convict Lake, SW of Hwy 395. 2896 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
  SD107342  Juncus bufonius Christopher Davidson 1975-8-16 3134 San Bernardino Along northeast shore of Bluff Lake, south of Big Bear Lake. Among tall grasses and sedges in drying sand away from lake shore. 2316 Comment
  RSA368164  Juncus bufonius var. bufonius Christopher Davidson 1977-6-19 5993 Mendocino 2.2 miles east of Gualala on County Road 502; bridge over Gualala River. 15 Comment
  RSA368197  Juncus dubius Anstruther Davidson 1911-07 2552 Inyo Andrews Camp. Bishop Creek [Now Bishop]. Comment
  RSA368260  Juncus macrandrus Christopher Davidson, Robert F. Thorne 1976-8-14 4588 San Bernardino Fish Cr., on Forest Service Rd 1N05, S of Heart Bar St. Park. 1981 Comment
  RSA368099  Juncus macranthus Anstruther Davidson 175 Unknown [No locality information] 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
  RSA368266  Juncus macrophyllus Anstruther Davidson 1889-07 s.n. Los Angeles Glendale. 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
  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
  RSA368238  Juncus mexicanus Anstruther Davidson 1919-1 s.n. Los Angeles Cienega. Los Angeles. 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
  SCFS5243  Juncus nevadensis E. Davidson 1964-7-16 071664 -5 Nevada Found on first terrace of large hanging bog about 1 mile southwest of station 1981 Comment
  RSA368287  Juncus orthophyllus Anstruther Davidson 1909-07 2296 San Bernardino Bear Valley, San Bernardino Mts. Comment
  SCFS552  Juncus orthophyllus E. Davidson 1964-7-15 715647 Nevada Sagehen Basin, Above hanging bog, ca. 0.5 mi SW of station 1981 Comment
  RSA368303  Juncus oxymeris Christopher Davidson 1977-6-17 5882 Sonoma State Highway 12 ca. 3 miles west of Guerneville, along Russian River 15 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
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Jun 25 2020
  RSA368291  Juncus oxymeris Anstruther Davidson 1889-08 s.n. Los Angeles E. Los Angeles. Comment
  RSA368079B  Juncus rugulosus Anstruther Davidson 1923-09 s.n. Los Angeles Los Angeles River, Griffith Park. Comment
  RSA368362  Juncus textilis Anstruther Davidson 1920-1 s.n. Los Angeles Los Angeles River. Comment
  RSA368074  Juncus xiphioides Anstruther Davidson 1923-9-1 s.n. Los Angeles [Los Angeles] River at Griffith Park. Comment
  SCFS830  Juniperus occidentalis E. Davidson 1964-7-18 718649 Nevada Sagehen Basin, 1.3 mi W of station, by rd 1981 Comment
  RSA401736  Keckiella antirrhinoides Anstruther Davidson 1925-5-1 s.n. San Diego Laguna Mts. Comment
  RSA420407  Keckiella breviflora Anstruther Davidson 1908-07 1714 Tulare Sequoia National Park. Comment
  SBBG44565  Keckiella cordifolia Leota Davidson 1966-6-1 404 Ventura 4 mi N of Wheeler Gorge Cmpgrd on St Hwy 33 Comment
  RSA400461  Keckiella rothrockii subsp. rothrockii Anstruther Davidson 2779 Inyo Bishop. 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
  RSA478827  Kochia americana Christopher Davidson 1976-6-8 4314 Inyo On Hwy 190 (to Death Valley), 6.4 mi. E of junction with Hwy 136 (from Lone Pine). 1357 Comment
  POM352614  Koeleria macrantha Anstruther Davidson 1909-07 2257 San Bernardino San Bernardino Mountains Comment
  RSA409435  Krameria erecta Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-29 7804 Imperial Pilot Knob Mesa, 1/2 miles SW offormer town site of Cactus (on railroad access road toward Glamis) 119 Comment
  RSA0038280  Krameria parvifolia var. imparata Christopher Davidson 1979-5-22 8040 San Bernardino San Bernardino Mts. Lower, eastern desert slopes toward Apple Valley. Near jct. of Flicker & Oriole Rds, off Grapvine Rd. 1135 Comment
  RSA478764  Krascheninnikovia lanata Anstruther Davidson 1910-4-25 2425 Inyo Haiwee Comment
  RSA511008  Krascheninnikovia lanata Christopher Davidson, Alan Romspert 1979-5-16 7937 Inyo Panamint Mts. Johnson Canyon. Vicinity of lower spring at the end of the road. 20 miles SW of Badwater 1189 Comment
  RSA409528  Lamium amplexicaule Christopher Davidson 1973-4-6 1866 Los Angeles Malibu Canyon, Tapia Park. 243 Comment
  RSA468406  Langloisia setosissima subsp. punctata Christopher Davidson 1976-6-8 4325 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
  RSA368666  Lappula occidentalis var. occidentalis Anstruther Davidson 1895-09 s.n. San Bernardino San Bernardino Mountains. Bear Valley. Comment
  HSC82751  Larrea tridentata Christopher Davidson, A. P. Romspert, H. Surprenant 1979-4-28 7758 Imperial Algodones Dunes, dirt road continuation of Ogilby Rd., 1/8 mi. N of All American Canal. 41 Comment
  RSA389994  Larrea tridentata Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-28 7758 Imperial Algondones Dunes, dirt track continutation of Ogilby Rd, ca. 1/8 mi from All American Canal. 41 Comment
  SBBG56038  Larrea tridentata C. Davidson, B. Gustafson 1977-4-7 5568 Riverside Whitewater Cyn Rd, near start of Pacific Crest Trail 609 Comment
  RSA390026  Larrea tridentata Anstruther Davidson 1893-03 s.n. Riverside [Unspecified] Comment
  POM361567  Lasthenia glabrata subsp. coulteri Anstruther Davidson 1930-1-20 s.n Los Angeles El Segundo. Comment
  POM361521  Lasthenia gracilis Christopher Davidson, B. Gustafson, D. A. Reynolds 1979-5-9 7886 San Bernardino Apple Valley. St Hwy 18, 1.8 mi E of jct with Bear Valley Cutoff. 944 Comment
  POM361495  Lasthenia gracilis Christopher Davidson 1973-4-7 1881 Los Angeles Lucerne Valley, 33 miles from Apple Valley. 854 Comment
  RSA406615  Lathyrus vestitus Anstruther Davidson 1920-05 s.n. Riverside Temescal Comment
  RSA405745  Lathyrus vestitus subsp. alefeldii Anstruther Davidson 1917-1 3174 San Diego San Diego. Comment
  RSA405704  Lathyrus vestitus subsp. laetiflorus Anstruther Davidson 1921-4-1 s.n. Los Angeles Manhattan Beach Comment
  RSA405707  Lathyrus vestitus subsp. laetiflorus Christopher Davidson 1977-5-18 5632 Orange Cleveland National Forest, Falcon campground. 1006 Comment
  POM361651  Layia glandulosa Christopher Davidson 1975-5-25 2532 Ventura E of Ozena Sta. on Forest Serv. Rd 9N03, jct of Rd 9N03 and 9N03C. 1220 Comment
  POM361656  Layia glandulosa Anstruther Davidson, H. E. Hasse 1906-6-2 1467 Los Angeles Big Rock Creek. Comment
  SBBG25193  Layia glandulosa Leota Davidson 1966-4-9 117 San Bernardino 23 mi N of Yucca Valley 914 Comment
  CHSC751  Lepechinia calycina M. Davidson; Vesta Holt label. 1929-5-6 Lake Near Clear Lake. Comment
  POM15891  Lepechinia calycina Chas Davidson 1885-07 s.n. Santa Clara Saratoga Comment
  CAS-BOT-BC221608  Lepechinia fragrans A. Davidson No date on label 17 Los Angeles Wilsons Peak. Mt. Wilson, San Gabriel Mtns. Comment
  SBBG71594  Lepechinia fragrans Anstruther Davidson -Jul-1893 Los Angeles Switzers Camp Comment
  UC104294  Lepechinia fragrans Dr. A. Davidson Los Angeles near Wilsons Peak Comment
  UC25892  Lepechinia fragrans Dr. A. Davidson Jun 1894 Los Angeles Trail to Mt. Wilson Tract, 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
  UC10606  Lepidium dictyotum A. Davidson May 1893 Kern Lancaster Comment
  GH379628  Lepidium flavum Carol Davidson 1967-3-18 688 Unknown 2.5 mi N of Johannesberg on US 395 Comment
  RSA429866  Lepidium flavum Christopher Davidson, B. Gustafson, Frances Runyan 1973-3-26 1752 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
  RSA726887  Lepidium flavum Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  SBBG70810  Lepidium flavum Anstruther Davidson 1895-1 Los Angeles Lancaster Comment
  RSA429904  Lepidium fremontii Christopher Davidson 1979-4-4 7735 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  RSA429912  Lepidium fremontii Christopher Davidson 1977-5-26 5690 San Bernardino Clark Mtn. at Pachalka Spg 1494 Comment
  RSA429913  Lepidium fremontii Christopher Davidson, B. Gustafson, Don Reynolds 1979-5-9 7830 San Bernardino St Highway 18 up Cushenbury Canyon, ca. 1/4 mi inside San Bernardino Nat l Forest boundary 1418 Comment
  SEINET2444107  Leptodactylon californicum C. Davidson 2010-4-4 11731 Santa Barbara Tepusquet Rd., 31.4 mi from junction of Foxen Canyon Rd wtih Tepusquet Rd. 175 Comment
  POM364527  Leptosiphon ciliatus Anstruther Davidson s.n. Los Angeles [Unspecified] Comment
  POM364668  Leptosiphon floribundus subsp. glaber Anstruther Davidson 3068 Orange Modjesta Ranch. Comment
  POM364655  Leptosiphon nuttallii Anstruther Davidson 1911-07 3050 Inyo Andrews Camp. Bishop Creek [Now Bishop]. Comment
  POM364654  Leptosiphon nuttallii subsp. pubescens Anstruther Davidson 1915-07 3323 Inyo Bishop Creek. 1829 Comment
  POM361799  Lessingia glandulifera var. glandulifera Anstruther Davidson s.n. Los Angeles Little Rock. [San Gabriel Mts.] Comment
  SBBG52821  Lessingia glandulifera var. glandulifera C. Davidson, J. A. Churchill 1976-9-16 4733 Kern ca. 1.2 mi W of Frazier Park on paved rd Comment
  POM361798  Lessingia glandulifera var. glandulifera Anstruther Davidson 1911-7-1 2571 Kern Brown's Comment
  RSA464478  Lewisia rediviva var. minor Anstruther Davidson 1913-07 s.n. Inyo Andrews Camp, Bishop Creek Comment
  POM356964  Leymus triticoides Christopher Davidson, Robert F. Thorne 1976-8-14 4501 San Bernardino Fish Cr., on Forest Service Rd 1N05, S of Heart Bar St. Park. 1981 Comment
  RSA377125  Lilium Anstruther Davidson 1908-07 1913 Tulare Sequoia National Park Comment
  RSA377127  Lilium Anstruther Davidson 1908-07 2336 Unknown Sierra National Park Comment
  RSA435681  Limnanthes douglasii subsp. douglasii Christopher Davidson 1973-5-19 2070 Mendocino E of Willits on dirt road off Hearst Rd (Hwy 20). This area to be developed. 762 Comment
  RSA409972  Limonium californicum Anstruther Davidson 1920-8-1 3404 Los Angeles Alamitos Bay Comment
  RSA468584  Linanthus androsaceus subsp. luteolus Anstruther Davidson 1925-5-22 3603 San Diego Pine Valley. Comment
  RSA248726  Linanthus aureus Christopher Davidson 1973-4-19 1987 Riverside Joshua tree Natl. Monument, various sites along the road, 1-10 miles s of Joshua tree. 1220 Comment
  RSA469958  Linanthus aureus Anstruther Davidson 1890-06 s.n. Los Angeles Los Angeles. Comment
  POM364702  Linanthus bigelovii Anstruther Davidson s.n. Riverside Palm Springs. Comment
  POM364552  Linanthus demissus Anstruther Davidson 1922-4-23 3529 San Bernardino Needles. Comment
  POM364553  Linanthus demissus Anstruther Davidson s.n. San Bernardino Mohave Desert. [Possibly San Bernardino County] Comment
  POM364584  Linanthus dianthiflorus subsp. dianthiflorus Christopher Davidson 1973-4-1 1830 Riverside Jct. Vail Lake Marina and Hwy. 71/79, about 3 miles west of Aguanga. 426 Comment
  POM364611  Linanthus dichotomus subsp. dichotomus Christopher Davidson, B. Gustafson, Frances Runyan 1973-3-26 1751 Kern Boron Dry Lake area. 2 miles W on dirt road to fossil diggings off Claymine Road, 17 miles E of Mojave. 823 Comment
  POM364616  Linanthus dichotomus subsp. dichotomus Anstruther Davidson 1893-5-8 s.n. Los Angeles San Fernando. Comment
  POM364699  Linanthus parryae Christopher Davidson, B. Gustafson, Don Reynolds 1979-5-9 7880 San Bernardino Apple Valley. St Hwy 18, 1.8 mi E of jct with Bear Valley Cutoff. 944 Comment
  UC23759  Linanthus parryae Dr. A. Davidson May 1895 Los Angeles Antelope Valley Comment
  UC23760  Linanthus parryae A. Davidson May 1874 Los Angeles Harold Comment
  RSA468524  Linanthus pungens Anstruther Davidson 1896-07 s.n. Riverside San Jacinto Mtns. Comment
  RSA468501  Linanthus pungens subsp. pulchriflorus Christopher Davidson 1975-7-13 2999 Ventura 2.8 miles W of McGill Campground on road to Pine Mtn. summit. 2401 Comment
  RSA468506  Linanthus pungens subsp. pulchriflorus Anstruther Davidson 1893-4-12 s.n. Los Angeles Mt. Disappointment Comment
  RSA469912  Linanthus pungens subsp. pulchriflorus Anstruther Davidson s.n. Inyo Andrew Camp, Bishop Creek. Comment
  RSA0004842  Linanthus saxiphilus Anstruther Davidson 1901-07 2242 San Bernardino 7 Oaks, San Bernardino Mountains Comment
  RSA435724  Linum lewisii Christopher Davidson 1977-5-28 5808 San Bernardino New York Mountains, Keystone Springs, toward head of Keystone Canyon, east side of New York Mts. 1828 Comment
  RSA435725  Linum lewisii Christopher Davidson 1977-5-26 5674 San Bernardino Clark Mountain ca. 1 mile southwest of Pachalka Spring on dirt road leading to the spring. 1372 Comment
  RSA435718  Linum lewisii Christopher Davidson 1975-6-4 2622 Modoc Ca. 15 mi W. of Alturas on Hwy. 299. 1341 Comment
  RSA435738  Linum usitatissimum Anstruther Davidson 1891-05 s.n. Los Angeles Los Angeles. Comment
  RSA468192  Lithophragma Anstruther Davidson 1908-07 1684 Tulare Sequoia National Park. Comment
  RSA468209  Lithophragma affine subsp. mixtum Anstruther Davidson 1890-5-24 1823 Los Angeles Los Angeles. 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
  POM369960  Lithospermum californicum Christopher Davidson 1973-5-26 2156 Shasta 4 miles W of Cassell jct road on Hwy 299, near Hat Creek. 976 Comment
  RSA439328  Lobelia dunnii var. serrata Anstruther Davidson s.n. Mariposa Vernal Falls. Comment
  RSA436046  Lobularia maritima Anstruther Davidson 1916-07 s.n. Los Angeles Crescenta. Comment
  RSA441647  Loeflingia squarrosa Anstruther Davidson 1916-07 s.n. Los Angeles Crescenta. Comment
  RSA0063610  Loeseliastrum matthewsii Anstruther Davidson 1922-5-28 s.n. Los Angeles Mojave Desert. [County not specified: Los Angeles, San Bernardino or Kern.] Comment
  HSC66545  Loeseliastrum schottii Christopher Davidson 1979-4-4 7702 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi. E of Mecca. 213 Comment
  RSA468345  Loeseliastrum schottii Christopher Davidson, Robert Gustafson 1977-4-7 5570 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
  RSA271897  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
  RSA452561  Lomatium californicum Christopher Davidson 1975-6-29 2916 Kern San Emigdio Canyon, following old Mil Potrero Road, along San Emigdio Creek, Los Padres National Forest. 1585 Comment
  SD99412  Lomatium californicum Christopher Davidson 1977-6-20 6021 Sonoma Dry Creek Road, 9.3 miles west of Geyersville 89 Comment
  RSA452151  Lomatium dasycarpum subsp. dasycarpum Anstruther Davidson 1909-1 s.n. Los Angeles Topanga Comment
  UC21201  Lomatium dasycarpum subsp. dasycarpum Dr. A. Davidson 1893-1 Los Angeles Los Angeles Comment
  RSA452590  Lomatium donnellii Christopher Davidson 1975-6-7 2755 Lassen 1 mile E of Beckwourth Pass on Hwy 70. 1524 Comment
  RSA452573  Lomatium engelmannii Christopher Davidson 1975-6-5 2680 Siskiyou 6 miles ESE of Callahan on Hwy 3 (= 4 miles SE of Scott River Bridge). 1349 Comment
  RSA452135  Lomatium lucidum Anstruther Davidson 9321 Los Angeles Laurel Canyon, Santa Monica Mts. 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
  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
  RSA452129  Lomatium nevadense var. parishii Christopher Davidson 1976-6-9 4364 San Bernardino on St. Hwy 18, Cushenbury Grade Summit. San Bernardino Mountains. 2058 Comment
  RSA452591  Lomatium rigidum Anstruther Davidson 1913-7-1 2958 Inyo Andrews Camp, Bishop Creek. Comment
  RSA271941  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
  RSA455176  Lonicera hispidula var. vacillans Christopher Davidson 1977-6-19 5971 Mendocino 2.2 miles east of Gualala on County Road 502; bridge over Gualala River. 15 Comment
  RSA406420  Lotus Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  RSA406426  Lotus Anstruther Davidson 1925-05 s.n. San Diego River Comment
  UC15674  Lotus argophyllus var. argenteus Dr. A. Davidson Aug 1895 Los Angeles Catalina Island Comment
  RSA406722  Lotus argophyllus var. argophyllus Anstruther Davidson 1893-4-12 s.n Riverside Palm Springs. Comment
  RSA406736  Lotus argophyllus var. argophyllus Christopher Davidson, Larry E. DeBuhr 1976-6-26 4408 San Bernardino 10 miles WSW of Running Springs on State Highway 30. 1159 Comment
  RSA406774  Lotus argyraeus var. argyraeus Christopher Davidson, Robert F. Thorne 1976-8-14 4532 San Bernardino Fish Cr., on Forest Service Rd 1N05, S of Heart Bar St. Park. 1981 Comment
  RSA406777  Lotus argyraeus var. multicaulis Christopher 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
  RSA406922  Lotus dendroideus var. dendroideus Anstruther Davidson 1891-06 s.n. Los Angeles Catalina Island. Comment
  UC15560  Lotus dendroideus var. dendroideus Dr. A. Davidson 1891-1 6 Los Angeles Catalina Island Comment
  RSA233012  Lotus formosissimus Christopher Davidson 1966-4-7 380 Santa Clara 10 miles E. of Watsonville on State Hwy 152. 457 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
  RSA406182  Lotus humistratus Anstruther Davidson 1917-07 3250 Los Angeles Mt. Diablo Comment
  UC80860  Lotus nevadensis var. davidsonii Dr. A. Davidson Aug 1892 Los Angeles Wilson Peak 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
  RSA406404  Lotus oblongifolius Christopher Davidson 1975-6-6 2715 Shasta Ca. 20 mi E of Redding on Hwy 44. 640 Comment
  UC15669  Lotus oblongifolius var. oblongifolius Dr. A. Davidson May 1892 Los Angeles near Los Angeles Comment
  RSA406250  Lotus procumbens var. procumbens Anstruther Davidson 1893-4-1 s.n. Los Angeles Big Rock Comment
  RSA406802  Lotus rigidus Christopher Davidson 1976-3-27 3901 San Diego State Hwy 78, 10 mi e of Julian toward Anza-Borrego State Park. 785 Comment
  RSA406828  Lotus salsuginosus var. brevivexillus Christopher Davidson 1979-4-4 7699 Riverside Orocopia Mts., lower end of Box Canyon on Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  RSA406405  Lotus stipularis Christopher Davidson 1973-5-26 2167 Shasta ca. 15 mi W of Burney on St Hwy 299. Above roadbank on abandoned dirt rd near Hwy 299 915 Comment
  RSA0003332  Lotus sulphureus Anstruther Davidson 1892-9-20 s.n. Los Angeles Wilson's Peak. Comment
  RSA406263  Lotus unifoliolatus Anstruther Davidson 1930-1 s.n. Los Angeles Los Angeles Co. Comment
  RSA355468  Ludwigia peploides subsp. peploides Anstruther Davidson 1889-07 s.n. Los Angeles Cienega, Los Angeles. Comment
  RSA406949  Lupinus Anstruther Davidson 1921-3-1 s.n. San Bernardino Mojave Desert Comment
  RSA406957  Lupinus Anstruther Davidson 1908-07 1728 Tulare Sequoia National Forest. Comment
  UCD105905  Lupinus albifrons Eric Davidson 1971-6-21 308 Santa Barbara Santa Cruz Island. Comment
  UCD105907  Lupinus albifrons Eric Davidson 1972-4-1 376 Sacramento near Leverta, north of Sacramento. Comment
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Dec 16 2013
  RSA407009  Lupinus albifrons var. collinus Christopher Davidson 1977-6-19 5928 Mendocino Havens Neck, small peninsula on coast north of Anchor Bay. Comment
  RSA233013  Lupinus albifrons var. collinus Christopher Davidson 1966-4-7 382 Santa Clara 10 miles E. of Watsonville on State Hwy 152. 457 Comment
  RSA407011  Lupinus albifrons var. douglasii Christopher Davidson 1973-5-31 2234 Monterey Ca. 10 mi S of Carmel on St. Hwy 1. Comment
  RSA406998  Lupinus albifrons var. eminens Anstruther Davidson s.n. Los Angeles Catalina [Island] Comment
  SBBG52106  Lupinus andersonii C. Davidson 1975-7-13 3000 Ventura 2.8 mi W of McGill Cmpgrd on rd to Mt Pinos Summit 2400 Comment
  UCD106602  Lupinus arboreus Eric Davidson 1971-6-25 314 Santa Barbara on San Marcos Pass near Painted Rock turnoff. Comment
  UCD106614  Lupinus arboreus Eric Davidson 1971-6-28 333 Marin roadcut, mountain pass State Highway 1 to Stinson Beach. Comment
  UCD106615  Lupinus arboreus Eric Davidson 1971-6-29 334 a Marin north entrance of Drake's Beach, Point Reyes Peninsula. Comment
  UCD106617  Lupinus arboreus Eric Davidson 1971-6-29 335 Sonoma next to ocean's edge; Salt Point State Park, north of Fort Ross. Comment
  UCD106603  Lupinus arboreus Eric Davidson 1971-6-26 321 San Luis Obispo San Luis Obispo County: 3 miles south of Ceano. Comment
  RSA414447  Lupinus arbustus subsp. silvicola Christopher Davidson 1973-5-26 2133 Modoc Ca. 4 miles west of Canby on highway 299. 1341 Comment
  RSA413728  Lupinus argenteus var. heteranthus Anstruther Davidson 1913-07 2904 Inyo Bishop Creek. Comment
  RSA413729  Lupinus argenteus var. heteranthus Anstruther Davidson 2671 Inyo Andrew's Camp, Bishop Creek. Comment
  POM349963  Lupinus arizonicus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  JEPS64997  Lupinus bicolor Dr. A. Davidson 1891-1 Los Angeles Los Angeles Comment
  POM350056  Lupinus bicolor subsp. microphyllus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  UCD107508  Lupinus breweri var. bryoides Eric Davidson 1973-7-7 s.n. Mono ca. 3 miles west of Bodie. 2438 Comment
  RSA407104  Lupinus breweri var. grandiflorus Christopher Davidson 1976-7-17 4475 San Bernardino San Bernardino Mts, Arrastre Flat, on rd 3N08, N of Big Bear Lake. 2256 Comment
  RSA407105  Lupinus breweri var. grandiflorus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
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Nov 22 2015
  RSA413484  Lupinus concinnus subsp. concinnus Christopher Davidson 1975-5-25 2540 Ventura E of Ozena Sta. on Forest Serv. Rd 9N03, jct of Rd 9N03 and 9N03C. 1220 Comment
  RSA407147  Lupinus concinnus subsp. optatus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  SBBG54339  Lupinus elatus C. Davidson, J. A. Churchill 1976-9-16 4753 Ventura near fork of dirt road at Mt Pinos summit 2651 Comment
  UC16049  Lupinus elatus Dr. A. Davidson 1896-1 San Bernardino Bear Valley Comment
  SEINET4035771  Lupinus excubitus C. Davidson 1975-1 2538 Ventura East of Ozena Station on Forest Road 9N03, junction of Rd 9N03 and 9N03C. 1219 Comment
  UCD107653  Lupinus excubitus Eric Davidson 1973-4-16 s.n. Kern ca. 10 miles south of Little Lake (on U.S. Highway 395 in Inyo County), northeaster part of county. Comment
  CAS-BOT-BC205386  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 1699 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
  RSA413655  Lupinus formosus var. formosus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  RSA271924  Lupinus latifolius var. barbatus Christopher Davidson 1975-6-4 s.n. Modoc 0.4 miles E of Hwy 395 on Hwy 299 toward Cedarville. 1380 Comment
  UCD108242  Lupinus lepidus var. confertus Eric Davidson 1973-7-7 s.n. Mono 1 mile south of Bodie. 2225 Comment
  UCD108235  Lupinus lepidus var. culbertsonii Eric Davidson 1973-7-9 s.n. Mono ca. 1 mile upstream from Lundy Lake. 2590 Comment
  UCD108558  Lupinus lepidus var. sellulus Eric Davidson 1972-6-20 340 Sierra Roadside on State Highway 89, near Sattley. Comment
  RSA413762  Lupinus longifolius Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  RSA413789  Lupinus magnificus var. magnificus Christopher Davidson 1976-6-8 4334 Inyo Death Valley Nat. Mon. Road to Mahogany Flat. Opposite the charcoal kilns. 1982 Comment
  RSA413538  Lupinus microcarpus var. densiflorus Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  RSA413809  Lupinus nanus subsp. nanus Anstruther Davidson 1922-4-23 s.n. San Bernardino Needles. Comment
  SBBG68987  Lupinus odoratus Anstruther Davidson 1893-1 Unknown Mojave Desert Comment
  RSA413823  Lupinus odoratus var. odoratus Anstruther Davidson 1922-6-12 s.n. Los Angeles Lancaster, Los Angeles Comment
  RSA413816  Lupinus odoratus var. odoratus Anstruther Davidson 1910-4-25 s.n. Inyo [No locality information on label.] Comment
  CAS-BOT-BC8226  Lupinus paynei Anstruther Davidson s.n. Unknown unspecified Comment
  RSA414235  Lupinus pratensis Anstruther Davidson 1913-07 2900 Inyo Bishop Creek. Comment
  RSA414243  Lupinus sellulus subsp. sellulus Anstruther Davidson 1928-7-1 s.n. Plumas Feather River. Comment
  SBBG98276  Lupinus shockleyi Anstruther Davidson 1910-4-25 Inyo Haiwee Comment
  RSA414262  Lupinus sparsiflorus subsp. sparsiflorus Anstruther Davidson 1890-04 s.n. Los Angeles Near Burbank Comment
  RSA414263  Lupinus sparsiflorus subsp. sparsiflorus Anstruther Davidson 1892-05 s.n. Los Angeles Los Angeles. Comment
  RSA414384  Lupinus truncatus Anstruther Davidson 1890-05 s.n. Los Angeles [No location information provided.] Comment
  UCD109664  Lupinus variicolor Eric Davidson 1971-6-28 331 San Mateo Half Moon Bay State Park. Comment
  UCD109665  Lupinus variicolor Eric Davidson 1971-6-29 335 b Sonoma Salt Point State Park, north of Fort Ross. Comment
  UCD109667  Lupinus variicolor Eric Davidson 1972-5-27 391 Sonoma near University of California's Bodega Marine Lab, Bodega Head. Comment
  CAS-BOT-BC436629  Luzula cascadensis A. Davidson 1908-8-1 2120 Tulare Sequoia State Forest Comment
  RSA368896  Luzula comosa Christopher Davidson, Robert F. Thorne 1976-8-14 4514 San Bernardino San Bernardino Mountains, Fish Creek, on Forest Service Road 1N05, S of Heart Bar State Park. 1982 Comment
  RSA368905  Luzula comosa var. laxa Anstruther Davidson 1908-07 2120 Tulare Sequoia National Park Comment
  RSA368913  Luzula parviflora Anstruther Davidson 1908-07 2112 Tulare Sequoia National Park Comment
  RSA428848  Lycium cooperi Christopher Davidson, Robert Gustafson, Robert F. Thorne 1979-5-22 8039 San Bernardino Toward Apple Valley, near jct of Flicker and Oriole Rds, off Grapevine Rd. 1136 Comment
  RSA428857  Lycium cooperi Christopher Davidson 1976-5-17 3943 Inyo U.S. Naval Ordinance Test Station. Sheep Canyon (also called Renegade Canyon) petroglyph site. 1555 Comment
  UC26132  Lycium cooperi Dr. A. Davidson 1895-1 San Bernardino Mohave Desert Comment
  RSA435265  Lythrum californicum Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  SBBG54325  Lythrum hyssopifolia C. Davidson 1977-5-25 5666 Riverside Mesa de Burro, Santa Rosa Plateau 701 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
  POM362224  Madia Christopher Davidson 1973-5-28 2173 Shasta On dirt logging road off St Hwy 299, ca. 1 mi E of Buckhorn Summit. 976 Comment
  HSC46684  Madia elegans Christopher Davidson 1977-6-18 5906 Mendocino Piper Ranch. Off Mountain View Rd. (N of Point Arena), several mi. NW of ranch buildings 305 Comment
  POM362132  Madia elegans Christopher Davidson 1975-7-3 2958 Kern Across from McGill Campground on road to Mount Pinos, Los Padres National Forest. 2203 Comment
  SBBG51937  Madia elegans C. Davidson 1975-8-30 3226 San Bernardino Rd 2N10, 5.1 mi E of jct with rd to Clark's Ranch (Rd 1N54) 2423 Comment
  UC33198  Madia elegans Dr. A. Davidson July, 1895 Kern Tehachapi Comment
  RSA362123  Madia elegans subsp. wheeleri Christopher Davidson 1975-8-30 3226 San Bernardino on road 2N10, 5.1 mi. E of jct with rd to Clark's Ranch (rd 1N54). 2424 Comment
  POM362200  Madia minima Christopher Davidson 1973-5-26 2155 Shasta 4 miles west of Cassell road junction with State HIghway 299, near Hat Creek 305 Comment
  RSA377694  Maianthemum racemosum subsp. amplexicaule Anstruther Davidson 1908-07 1827 Tulare Sequoia National Park Comment
  RSA377718  Maianthemum stellatum Anstruther Davidson 1911-07 2679 Inyo Andrews Camp. Bishop Creek [Now Bishop]. Comment
  RSA433283  Malacothamnus davidsonii Anstruther Davidson 1920-05 s.n. Los Angeles Pacoima Comment
  RSA0063397  Malacothamnus fasciculatus Anstruther Davidson 1892-05 s.n. Los Angeles Cahuenga hills. Comment
  RSA434851  Malacothamnus marrubioides Anstruther Davidson 1892-7-4 s.n. Los Angeles Acton. Comment
  POM362266  Malacothrix clevelandii Anstruther Davidson 1892-05 s.n. Riverside Banning Comment
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Mar 13 2011
  POM362260  Malacothrix clevelandii Anstruther Davidson 1910-4-25 2496 Inyo Haiwee Comment
  UC33277  Malacothrix coulteri Dr. A. Davidson May 1895 Los Angeles Antelope Valley Comment
  POM362296  Malacothrix glabrata Anstruther Davidson 1930-1 s.n. Inyo Bishop Creek. Comment
  POM362303  Malacothrix glabrata Anstruther Davidson 1895-5-8 s.n. Los Angeles Lancaster. Comment
  POM362328  Malacothrix glabrata Christopher Davidson 1976-6-9 4350 San Bernardino on State Highway 18, 0.6 mile NW of the summit on Cushenbury Grade. 1982 Comment
  POM326292  Malacothrix glabrata Anstruther Davidson 1910-4-25 2429 Inyo Haiwee Comment
  POM362392  Malacothrix saxatilis var. saxatilis Anstruther Davidson 1928-5-5 114 Santa Barbara Santa Barbara Beach Comment
  POM362389  Malacothrix saxatilis var. tenuifolia Christopher Davidson 1973-6-1 2246 Ventura Sespe Cr, turnoff on dirt road ca 6 mi N of Wheeler Spgs on Hwy 33. Los Padres Nat. For. 915 Comment
  RSA434876  Malva nicaeensis Anstruther Davidson 1919-06 3318 Los Angeles Temple and Bonnie Brae, Los Angeles Comment
  RSA670663  Malvastrum orbiculatum Anstruther Davidson 1920-06 3369 Los Angeles Acton. Comment
  SBBG45489  Marina parryi Leota Davidson 1966-4-3 317 Riverside Interstate 10 at Wiley Well turnoff, 30 mi E of Desert Center Comment
  RSA431438  Matthiola incana Anstruther Davidson 1921-5-1 s.n. Los Angeles Acton. Comment
  POM348011  Medicago lupulina Anstruther Davidson 1911-1 2682 Inyo Andrews Camp, Bishop Creek Comment
  POM348055  Medicago polymorpha var. brevispina Anstruther Davidson 1892-05 1806 Los Angeles Los Angeles. Comment
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Jul 22 2010
  RSA403486  Melica imperfecta Anstruther Davidson 1910-4-25 2455 Inyo Haiwee Creek. Inyo County Comment
  RSA403494  Melica imperfecta Anstruther Davidson s.n. Los Angeles Foothill, Los Angeles Comment
  RSA403505  Melica imperfecta Anstruther Davidson 1908-07 2105 Tulare Sequoia National Park Comment
  UCR168297  Melica imperfecta Anstruther Davidson 1910-4-25 2455 Inyo Southern Sierra Nevada Mtns./Northern Mojave Desert, Haiwee Creek 1524 Comment
  POM403509  Melica stricta Anstruther Davidson 1905-7-7 s.n. Kern Tehachapi. Comment
  RSA440350  Mentzelia affinis Anstruther Davidson 1912-05 2805 Los Angeles Van Nuys Comment
  RSA440363  Mentzelia albicaulis Anstruther Davidson 1910-4-24 2352 Kern Searles, Kern County 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
  RSA271938  Mentzelia congesta Christopher Davidson 1975-6-8 2776 Mono 3 mi S of Topaz on Hwy 395. Steep rocky hillside and outcrop, N slope, facing Walker River. 1753 Comment
  SBBG51914  Mentzelia congesta C. Davidson 1975-7-13 2984 Ventura near McGill Camp, W of jct of cmpgrd rd with rd to Mt Pinos summit, toward Pine Mtn Camp 2171 Comment
  SBBG49253  Mentzelia congesta Leota Davidson 1965-5-9 115 Los Angeles few mi along side of rd E of Littlerock Comment
  RSA446897  Mentzelia crocea Anstruther Davidson 2801 Mariposa Yosemite. Comment
  RSA0121868  Mentzelia dispersa Anstruther Davidson 2803 Mariposa Yosemite. 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
  RSA440410  Mentzelia involucrata Christopher Davidson 1973-4-1 1839 Riverside Along Hwy 74 on desert hillside facing Palm Desert. 488 Comment
  RSA440416  Mentzelia involucrata Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  RSA0126949  Mentzelia longiloba var. longiloba Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-28 7756 Imperial Algondones Dunes, dirt track continutation of Ogilby Rd, ca. 1/8 mi from All American Canal. 41 Comment
  RSA0126952MENTZELIALONGILOBA  Mentzelia longiloba var. longiloba Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-28 7773 Imperial Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob. 79 Comment
  RSA446760  Mentzelia micrantha Anstruther Davidson 1908-01 1984 Los Angeles Hollywood. Comment
  RSA446813  Mentzelia montana Christopher Davidson 1975-6-28 2884 Kern Pine Mountain Club, off road 9N05, N slope of Mt. Pinos. Up Zion Way, past water tank. 1768 Comment
  UCR137151  Mentzelia montana Anstruther Davidson 1909-1 s.n. San Bernardino San Bernardino Mountains, Bear Valley 2134 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
  UCR139481  Mentzelia montana Anstruther Davidson, H. E. Hasse 1906-6-1 1623 Los Angeles San Gabriel Mtns./Mojave Desert, Big Rock Creek 1982 Comment
  RSA0012854  Mentzelia montana Christopher Davidson 1975-6-8 2773 Mono 3 mi S of Topaz on Hwy 395. Steep rocky hillside and outcrop, N slope, facing Walker River. 1753 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
  RSA446785  Mentzelia nitens Anstruther Davidson 1913-1 2899 Inyo Bishop Creek [Bishop]. Comment
  RSA446826  Mentzelia obscura Christopher Davidson 1976-5-22 4036 Inyo Last Chance Mountains, directly east of Eureka Dune, south end of Eureka Valley 915 Comment
  RSA0117796  Mentzelia polita Christopher Davidson 1977-5-28 5742 San Bernardino North side of Clark Mountain, along Powerline Road, vicinity of Keany Pass. 1387 Comment
  RSA446864  Mentzelia reflexa Christopher Davidson 1976-5-22 4038 Inyo Last Chance Mountains, directly east of Eureka Dune, south end of Eureka Valley. 915 Comment
  UC444319 Image available Mentzelia tridentata A. Davidson, M. D. 1910-4-25 2460 Inyo Haivee Reservoir; ; Inyo Co. Comment
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Apr 21 2011
  RSA271900  Mentzelia veatchiana Christopher Davidson 1975-6-4 2612 Modoc 1/4 mi. W of Cedarville on Hwy 299. 1463 Comment
  RSA446881  Mentzelia veatchiana Christopher Davidson 1976-5-23 4076 Kern Jawbone Canyon Road, 7.5 Miles West of Junction with US Highway 395 (north of Mojave). 915 Comment
  RSA446886  Mentzelia veatchiana Christopher Davidson 1975-5-25 2564 Los Angeles 3.5 mi NE of Old Ridge Route (8N04) on rd 7N23 to Liebre Mtn., ca. 0.1 mi past Sandberg Pk. 1646 Comment
  RSA402638  Mesembryanthemum nodiflorum Anstruther Davidson 1892-06 s.n. Los Angeles Catalina Island. Comment
  RSA402625  Mesembryanthemum nodiflorum Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-28 7765 Imperial Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob 79 Comment
  POM363464  Microseris lindleyi Anstruther Davidson 1895-5-3 s.n. Los Angeles Manzana. Comment
  POM363465  Microseris lindleyi Anstruther Davidson 1890-5-5 s.n. Ventura Hoppers Ranch Comment
  POM363459  Microseris lindleyi Anstruther Davidson 1923-5-1 s.n. San Diego San Diego. Comment
  RSA416452  Microseris nutans Christopher Davidson 1973-5-26 2146 Modoc Ca. 1 mile N of Adin Summit on State Highway 299. Modoc National Forest. 1524 Comment
  RSA0018785  Mimetanthe pilosa Anstruther Davidson 1892-7-4 s.n. Riverside San Jacinto. Comment
  RSA448187  Mimulus aurantiacus var. aurantiacus Christopher Davidson 1973-5-31 2231 Santa Cruz Ca. 30 miles north of Santa Cruz on State Highway 1 Comment
  RSA448184  Mimulus aurantiacus var. pubescens Christopher Davidson, Larry E. DeBuhr 1976-6-26 4413 San Bernardino 10 miles WSW of Running Springs on State Highway 30. 1159 Comment
  RSA442699  Mimulus aurantiacus var. puniceus Anstruther Davidson 1891-6-26 s.n. Los Angeles Santa Catalina Island Comment
  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
  RSA403850  Mimulus constrictus Christopher Davidson 1975-6-29 2927 Kern San Emigdio Canyon, following old Mil Potrero Road, along San Emigdio Creek, Los Padres National Forest. Los Padres National Forest. 1677 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
  RSA408851  Mimulus constrictus Anstruther Davidson 1917-7-1 3279 Contra Costa Top Mt. Diablo. 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
  RSA430183  Mimulus diffusus Anstruther Davidson 1896-7-9 s.n. Riverside Strawberry Valley 1677 Comment
  RSA447917  Mimulus floribundus Anstruther Davidson 1889-08 s.n. Los Angeles L.A. River. Comment
  RSA408122  Mimulus fremontii var. fremontii Anstruther Davidson 1891-06 s.n. Los Angeles Glendale. Comment
  UC26934  Mimulus fremontii var. fremontii Dr. A. Davidson Los Angeles Los Angeles 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
  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
  RSA408032  Mimulus johnstonii Christopher Davidson, Gustafson, Thorne 1979-5-22 8050 San Bernardino Toward Apple Valley, near jct of Flicker and Oriole Rds, off Grapevine Rd. 1136 Comment
  RSA421060  Mimulus johnstonii Anstruther Davidson 1920-7-3 3386 Los Angeles Mt. San Antonio. Comment
  RSA421061  Mimulus johnstonii Anstruther Davidson 1893-8-20 s.n. Los Angeles Wilson's Peak Comment
  RSA430175  Mimulus montioides Anstruther Davidson 1908-07 s.n. Tulare Sequoia National Forest. Comment
  RSA263982  Mimulus moschatus Christopher Davidson, Robert F. Thorne 1976-8-15 4713 San Bernardino San Bernardino Mountains: Lower South Fork Meadow, San Gorgonio Wilderness Area. 2317 Comment
  RSA447989  Mimulus moschatus Anstruther Davidson 1918-07 s.n. San Bernardino Forest Home [now Forest Falls] Comment
  SCFS458  Mimulus moschatus E. Davidson 1964-7-10 7106424 Nevada Sagehen Basin, Ca. 0.5 mi downstream by beaver pond 1951 Comment
  RSA422233  Mimulus nanus var. mephiticus Christopher Davidson 1974-6-23 2362 Mariposa Yosemite Nat'l Park. On St. Hwy 120 opposite Lake Tenaya. 2530 Comment
  RSA422232  Mimulus nanus var. nanus Christopher Davidson 1975-6-7 2764 Lassen 1 mi E of Beckwourth Pass on Hwy 70. 1524 Comment
  UC103805  Mimulus parishii Dr. A. Davidson Los Angeles Rock Creek Mohave Desert Comment
  SCFS463  Mimulus primuloides E. Davidson 1964-7-10 7106422 Nevada Sagehen Basin, Ca. 250 yd downstream from station on S side of stream 1951 Comment
  RSA434716  Mimulus primuloides var. pilosellus Anstruther Davidson 1901-07 2311 San Bernardino Bear Valley, San Bernardino Mountains. Comment
  RSA430095  Mimulus rubellus Anstruther Davidson 1913-7-1 2979 Inyo South Lake. Comment
  RSA434643  Mimulus tilingii Anstruther Davidson 1911-07 2664 Inyo Waterfall, Andrews Camp, Bishop Creek. 2744 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
  RSA423560  Minuartia douglasii Christopher Davidson 1975-6-5 2662 Siskiyou Just above gate on special service rd branching SE off rd from Gazelle to Callahan 9.3 mi. W of Gazelle. 1471 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
  RSA464250  Mirabilis laevis var. crassifolia Anstruther Davidson 1927-05 s.n. Riverside Colorado Desert. Comment
  RSA464256  Mirabilis laevis var. villosa Christopher Davidson 3935 Inyo U.S. Naval Ordinance Test Station. Sheep Canyon (also called Renegade Canyon) petroglyph site. 1555 Comment
  RSA464262  Mirabilis laevis var. villosa Christopher Davidson 1977-5-28 5745 San Bernardino North side of Clark Mountain, along Powerline Road, vicinity of Keany Pass. 1387 Comment
  RSA464629  Mirabilis multiflora var. glandulosa Christopher Davidson 1974-6-23 2352 Inyo White Mountains; on St Hwy 168. Westgard Pass. Inyo National Forest. 1829 Comment
  RSA587972  Mirabilis multiflora var. pubescens Anstruther Davidson 1892-09 s.n. Los Angeles Elizabeth Lake. Comment
  RSA408736  Mohavea breviflora Christopher Davidson 1973-3-8 1631 Inyo Death Valley National Monument. 1/4 mile from Beatty Junction toward Beatty. -30 Comment
  RSA408769  Mohavea confertiflora Anstruther Davidson 1903-05 1734 Riverside Martinez Canon, Thermal. Comment
  RSA408580  Monardella exilis Anstruther Davidson 1926-5-26 s.n. Los Angeles Mojave. 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
  RSA401615  Monardella linoides subsp. oblonga Christopher Davidson 1975-7-3 2959 Kern Across from McGill Campground on road to Mount Pinos, Los Padres National Forest. 2203 Comment
  RSA401599B  Monardella linoides subsp. stricta Christopher Davidson 1975-8-16 3145 San Bernardino S. of Big Bear Lake, near Bluff Lake. Ca. 50 yards NE of lake in Jeffrey pine forest. 2317 Comment
  RSA401602  Monardella linoides subsp. stricta Anstruther Davidson 1893-7-4 1871 Los Angeles Big Rock Creek. Comment
  SBBG45753  Monardella odoratissima Leota Davidson 1966-7-11 431 Tulare off Hwy 190, 0.25 mi in on Holby Meadow rd, S of Quaking Aspen Cmpgrd 2133 Comment
  RSA408716  Monardella odoratissima Anstruther Davidson 1928-07 s.n. Unknown Feather River Comment
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Jan 24 2015
  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
  RSA408692  Monardella villosa subsp. villosa Christopher Davidson 1977-6-20 6028 Sonoma Dry Creek Road 16.2 miles west of Geyserville. 229 Comment
  RSA478838  Monolepis nuttalliana Christopher Davidson 1976-6-7 4270 Mono On dirt road 3S53, 4.6 miles appx. W of junction with road 4S34. (E of Lake Crowley) Inyo National Forest. (Near Moran Spring.) Head of Chidago Canyon. 2149 Comment
  POM363559  Monoptilon bellidiforme Christopher Davidson 1976-6-8 4312 Inyo On Hwy 190 (to Death Valley), 6.4 mi. E of junction with Hwy 136 (from Lone Pine). 1357 Comment
  POM363567  Monoptilon bellioides Christopher Davidson 1973-3-8 1632 Inyo Death Valley National Monument. 1/4 mile from Beatty Junction toward Beatty. -30 Comment
  SBBG51874  Montia chamissoi C. Davidson 1975-7-13 3016 Kern dirt rd branching N from rd 9N24 to Pine Mtn summit, ca. 0.5 mi past McGill cmpgrd 2392 Comment
  RSA466950A  Montia linearis Christopher Davidson 1978-6-18 7356 a San Bernardino San Bernardino Mountains, Baldwin Lake, 0.3 mile E of Big Bear City. 2058 Comment
  RSA392632  Mucronea californica Anstruther Davidson 1891-06 s.n. Los Angeles Glendale. Comment
  RSA403602  Muhlenbergia richardsonis Christopher Davidson, Robert Thorne 1976-8-15 4686 San Bernardino Upper South Fork Meadow, San Gorgonio Wilderness Area. 2439 Comment
  SD107327  Muhlenbergia richardsonis Christopher Davidson 1976-8-14 4564 San Bernardino San Bernardino Mts. Fish Cr. Meadows, at the end of Forest Service Rd 1N05, S of Heart Bar St Park, meadow 2438 Comment
  RSA377621  Muilla transmontana Christopher Davidson 1975-6-7 2762 Lassen 1 mile E of Beckwourth Pass on Hwy 70. 1524 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
  RSA421134  Nama demissa var. deserti Christopher Davidson 1973-4-1 1880 Los Angeles 1 mile south of Littlerock. 762 Comment
  RSA421156  Nama hispida var. spathulata Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-28 7745 Imperial Algondones Dunes, dirt track continutation of Ogilby Rd, ca. 1/8 mi from All American Canal. 41 Comment
  RSA378460  Narthecium californicum Anstruther Davidson 1928-07 s.n. Unknown Feather River [Plumas, Butte, Yuba, or Sutter Co.] Comment
  UC60249  Nassella cernua Dr. A. Davidson Los Angeles Pasadena Comment
  RSA484139  Nassella pulchra Christopher Davidson 1977-5-25 5649 Riverside Mesa de Burro, Santa Rosa Plateau area of Santa Ana Mountains. Southern California 701 Comment
  UC199554  Nassella pulchra A. Davidson, M. D. 3222 Los Angeles 6 and Coronado St. Los Angeles Comment
  RSA431560  Nasturtium officinale Christopher Davidson 1975-6-29 2935 Kern San Emigdio Canyon, following old Mil Potrero Road, along San Emigdio Creek, Los Padres National Forest. 1677 Comment
  RSA431566  Nasturtium officinale Christopher Davidson 1977-5-26 5693 San Bernardino Clark Mtn. at Pachalka Spg 1494 Comment
  RSA469838  Navarretia atractyloides Anstruther Davidson 1905-5-28 382 Los Angeles Hollywood Comment
  UC52523  Navarretia atractyloides Dr. A. Davidson 1895-1 San Bernardino Mohave Region Comment
  RSA469860  Navarretia breweri Anstruther Davidson 1913-07 2897 Inyo South Lake, Bishop Creek. Comment
  RSA469861  Navarretia breweri Anstruther Davidson 1913-07 2897 Inyo Desert flats. Comment
  RSA464360  Nemacaulis denudata var. gracilis Anstruther Davidson 1893-04 s.n. Riverside Palm Springs. Comment
  RSA439273  Nemacladus orientalis Christopher Davidson 1976-5-22 3993 Inyo on Waucoba Rd., ca. 22.4 miles E of junction with Westgard Rd., toward Eureka Valley. 1722 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
  RSA439291  Nemacladus tenuis var. aliformis Christopher Davidson 1973-3-10 1731 San Bernardino Small hill 4 miles S of Ibex Pass on St 127, Inyo-SB County Line. 305 Comment
  RSA439263B  Nemacladus tenuis var. tenuis Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  RSA421501  Nemophila spatulata Anstruther Davidson 1908-07 1935 Tulare Round Meadow, Sequoia National Park Comment
  POM363670  Nicolletia occidentalis Christopher Davidson 1979-5-22 8118 San Bernardino Apple Valley ca. 1 mi. S of Hwy 18 on Grapevine Canyon Road 976 Comment
  CHSC117096  Nicolletia occidentalis Christopher Davidson; B. Gustafson, R. F. Thorne, et al. 1979-5-22 8118 San Bernardino Apple Valley. Ca. 1 mile S of Hwy18 on Grapevine Canyon Rd. 975 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
  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
  RSA426728  Nicotiana obtusifolia Christopher Davidson 1977-5-29 5868 San Bernardino East Mojave Desert, ca. 2 miles S of Kelso on Kelbaker Rd. (E of Kelso Dunes). 671 Comment
  UCR137162  Nicotiana quadrivalvis var. wallacei Christopher Davidson, Robert Gustafson, R. F. Thorne, et al. 1979-5-2 8139 San Bernardino San Bernardino Mountains, Arrastre Cr., c. 5 mi [SE] of Hwy 18 on road [Smart's Ranch, FS 3N03] up Arrastre Canyon 1128 Comment
  UC12469  Oemleria cerasiformis Davidson Jul 1892 Contra Costa Mt. Diablo Comment
  POM355301  Oenothera californica Anstruther Davidson 1911-07 2816 Inyo Andrews Camp. Bishop Creek [Now Bishop]. Comment
  RSA355290  Oenothera californica Anstruther Davidson 1901-07 s.n. San Bernardino 7 Oaks. San Bernardino Mountains. Comment
  HSC46416  Oenothera californica Christopher Davidson, R. F. Thorne 1976-8-15 4625 San Bernardino San Bernardino Mtns., Fish Creek Campground 2134 Comment
  POM355306  Oenothera californica subsp. californica Anstruther Davidson 1906-6-6 1509 Los Angeles Big Rock Creek. Comment
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May 14 2013
  RSA355273  Oenothera cespitosa subsp. marginata Christopher Davidson 1977-5-28 5827 San Bernardino New York Mountains, Keystone Springs, toward head of Keystone Canyon, east side of New York Mts. 1828 Comment
  POM355012  Oenothera primiveris subsp. bufonis Anstruther Davidson 1910-4-25 2435 Inyo Haiwee Comment
  POM355635  Oenothera primiveris subsp. bufonis Christopher Davidson 1976-5-22 4019 Inyo Eureka Dunes, at south end of Eureka Valley. 854 Comment
  RSA399167  Oligomeris linifolia Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-28 7744 Imperial Algondones Dunes, dirt track continutation of Ogilby Rd, ca. 1/8 mi from All American Canal. 41 Comment
  POM348469  Olneya tesota Anstruther Davidson 1928-05 s.n. Riverside Colorado Desert. Comment
Read comments
Dec 14 2015
  UC306247 Image available Opuntia oricola Davidson May 1916 Los Angeles Hollywood Comment
  CAS-BOT-BC58073  Opuntia vaseyi F. P. Davidson 1916-5-1 s.n. Los Angeles Field redacted by CAS, contact the data manager for more information Comment
  SCFS597  Oreostemma alpigenum var. andersonii E. Davidson 1964-6-27 627643 Nevada Sagehen Basin, Mdw 0.75 mi W of station by sm streamlet 1951 Comment
  RSA0070990  Orobanche californica subsp. feudgei Christopher Davidson 1975-6-22 2866 Ventura Frazier Mountain, 2.9 mi past Lookout on rd 8N04B. 2133 Comment
  RSA0081031  Orobanche fasciculata Anstruther Davidson 1908-07 1805 Tulare Sierra Camp. Sequoia Nat'l Park. Comment
  RSA401994B  Orthocarpus densiflorus Anstruther Davidson 59 Unknown Santa Rosa. Comment
  RSA401995B  Orthocarpus densiflorus Anstruther Davidson 61 Unknown Santa Rosa. Comment
  RSA402020B  Orthocarpus erianthus Anstruther Davidson 1923-3-1 s.n. Unknown [Fortes Ville?] Comment
  SBBG52718  Osmorhiza brachypoda C. Davidson 1977-5-18 5609 Orange Santiago Pk (on Orange-Riverside Co line); Santa Ana Mtns 1706 Comment
  POM353422  Oxalis albicans subsp. californica Anstruther Davidson 1934-6-1 s.n. San Diego Fallbrook. Comment
  POM353448  Oxalis oregana Christopher Davidson 1977-6-19 5969 Mendocino 2.2 mi. E. of Gualala on county rd 502; bridge crossing Gualala River. 15 Comment
  RSA440840  Oxystylis lutea Anstruther Davidson 1928-4-27 114 Inyo Bradbury Well. SE Death Valley. Comment
  RSA0056522  Oxytheca Christopher Davidson, R. F. Thorne 1978-6-18 7301 San Bernardino San Bernardino Mountains, Highway 18 8.7 miles SE of Lucerne Valley, 0.1 mile inside San Bernardino National Forest. 1371 Comment
  RSA392900  Oxytheca emarginata Anstruther Davidson 1921-9-1 s.n. Riverside Mt. Tahquitz Comment
  RSA392906  Oxytheca parishii var. parishii Anstruther Davidson 1892-8-20 s.n. Los Angeles Wilson's Peak Comment
  UC6201  Oxytheca parishii var. parishii Dr. A. Davidson 1892-1 Los Angeles Wilsons Peak 1371 Comment
  SBBG25162  Oxytheca perfoliata Leota Davidson 1965-5-9 143 San Bernardino between Victorville and Joshua Tree Comment
  RSA392789B  Oxytheca trilobata Anstruther Davidson 1896-07 s.n. Riverside Strawberry Valley. Comment
  RSA414749  Oxytropis oreophila Anstruther Davidson 1922-7-1 s.n. San Bernardino San Gorgonio Mountain. Comment
  RSA415414  Oxytropis oreophila Anstruther Davidson 3105 Unknown [no locality information provided] Comment
  RSA473133  Packera breweri Anstruther Davidson 1895-5-3 s.n. Los Angeles Gorman Station Comment
  UC36004  Packera breweri Dr. A. Davidson July 1895 Kern Tehachapi Comment
  RSA472911  Packera cana Anstruther Davidson 1926-08 s.n. Inyo Bishop Creek. S. Fork. Comment
  RSA263635  Packera ionophylla Christopher Davidson, Robert F. Thorne 1976-8-14 4543 a San Bernardino Fish Creek Meadows, at the end of Forest Service Road 1N05, S of Heart Bar State Park. 2439 Comment
  RSA473030  Packera ionophylla Christopher Davidson, Robert F. Thorne 1976-8-15 4718 San Bernardino San Bernardino Mountains: Lower South Fork Meadow, San Gorgonio Wilderness Area. 2317 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
  RSA473057  Packera multilobata Christopher Davidson 1977-5-28 5789 San Bernardino North side of Clark Mtn. On Colosseum Mine Rd, ca. 2.6 mi. S of junction with Powerline Rd. 1524 Comment
  SCFS647  Packera pauciflora E. Davidson 1964-7-15 7156421 Nevada Sagehen Basin, Side of rd, ca 0.5 mi W of station 1951 Comment
  RSA434234  Paeonia brownii Christopher Davidson 1975-6-3 2587 Modoc East of Goose Lake, ca. 1 mile south of Willow Ranch on Highway 395 north of Alturas 1341 Comment
  RSA434256  Paeonia californica Christopher Davidson 1973-4-1 1805 Riverside Agua Tibia Mountains. Highway 71/79 approximately 7 miles from junction of US 395 South. 412 Comment
  HSC82914  Palafoxia arida Christopher Davidson, A. P. Romspert, H. Surprenant 1979-4-28 7742 Imperial Ogilby Rd., Algodones Dunes, dirt track continuation of Ogilby Rd. toward All American Canal, ca. 1/8 mi. from the canal 41 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
  UC1590093  Palafoxia arida var. arida Christopher Davidson and B. Gustafson 1977-4-7 5582 Riverside exit from I-10 ca 2.5 mi w jct. I-10 with State-62 (near start of Angeles Crest Trail); Whitewater Canyon Rd. 609 Comment
  CAS-BOT-BC274193  Pappostipa speciosa Christopher Davidson; B. Gustafson; D. Reynolds 1979-5-9 7844 San Bernardino St Hwy 18 up Cushenbury Canyon, ca. 1/4 mi inside San Bernardino Nat. For. boundary 1463 Comment
  POM367112  Parapholis incurva Anstruther Davidson 1890-06 s.n. Los Angeles San Pedro Comment
  RSA467331  Parnassia palustris var. californica Christopher Davidson 1970-9-10 7463 Mono Trail to Lake Mildred, 1-5 miles SW of Convict Lake, SW of Hwy 395. 2896 Comment
  POM364358  Paspalum distichum Anstruther Davidson 1889-06 s.n. Los Angeles Los Angeles. Comment
  RSA0016998  Paspalum distichum Anstruther Davidson 1917-07 3160 Los Angeles Whittier. Comment
  POM368774  Pectocarya penicillata Christopher Davidson 1973-4-1 1891 Los Angeles 1 mile south of Littlerock. 762 Comment
  POM368798  Pectocarya platycarpa Christopher Davidson, B. Gustafson, Frances Runyan 1973-3-26 1759 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
  POM368799  Pectocarya platycarpa Christopher Davidson 1973-3-31 1781 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
  POM368814  Pectocarya recurvata Christopher Davidson, Alan Romspert 1979-5-16 7910 Inyo Panamint Mts. Johnson Canyon. Vicinity of lower spring at the end of the road. 20 miles SW of Badwater 1189 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
  POM368828  Pectocarya setosa Anstruther Davidson 1926-05 s.n. Kern Mojave Comment
  RSA401964B  Pedicularis aurantiaca Christopher Davidson 1975-6-5 2684 Siskiyou 0.8 mi N of Scott Mtn Summit on Hwy 3. 1585 Comment
  RSA401955A  Pedicularis densiflora Christopher Davidson 1973-4-1 1809 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  RSA425336  Pedicularis groenlandica Anstruther Davidson 1908-07 1724 Tulare Alta Meadows. Sequoia National Park. Comment
  SCFS433  Pedicularis groenlandica E. Davidson 1964-6-22 622648 Nevada Sagehen Basin, In sm marsh 50' SW of hatchery 1951 Comment
  RSA425323  Pedicularis semibarbata Anstruther Davidson 1908-07 1636 Tulare Sequoia National Park. Comment
  UC16281  Pediomelum californicum G. Davidson July 1892 Contra Costa Mt. Diablo Comment
  POM348827  Pediomelum californicum Anstruther Davidson 1917-07 3247 Los Angeles Mt. Diablo Comment
  RSA686750  Pellaea andromedifolia var. andromedifolia Christopher Davidson 1977-5-25 5660 Riverside Mesa de Burro Santa Rosa Plateau area of Santa Ana Mountains. 701 Comment
  RSA686830  Pellaea breweri Christopher Davidson 1970-9-10 7488 Mono Trail to Lake Mildred, 1-5 miles SW of Convict Lake, SW of Hwy 395. 2896 Comment
  RSA686942  Pellaea truncata Christopher Davidson 1977-5-29 5850 San Bernardino Caruthers Canyon, south end of New York Mountains. 1768 Comment
  RSA420387  Penstemon Anstruther Davidson 1911-07 2775 Inyo Andrews Camp. Bishop Creek [Now Bishop]. Comment
  RSA420412  Penstemon Anstruther Davidson 1927-08 s.n. Fresno Upper Kings River Comment
  RSA420426  Penstemon Anstruther Davidson s.n. Unknown [No location information provided.] Comment
  RSA425612  Penstemon azureus Christopher Davidson 1973-5-22 2088 Shasta along Hwy 299 ca. 15 mi E of Redding, in rocky streamside places near Little Cow Cr. 396 Comment
  RSA424067  Penstemon centranthifolius Christopher Davidson, B. Gustafson, Don Reynolds 1979-5-9 7831 San Bernardino St Highway 18 up Cushenbury Canyon, ca. 1/4 mi inside San Bernardino Nat'l Forest boundary. 1418 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
  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
  RSA412534  Penstemon eatonii subsp. undosus Christopher Davidson 1977-5-29 5836 San Bernardino Caruthers Canyon, south end of New York Mountains 1768 Comment
  RSA412543  Penstemon floridus Christopher Davidson 1974-6-23 2351 Inyo White mts., on St. Hwy 168, ca. 6 mi. E of Westgard Pass. 2096 Comment
  RSA412542  Penstemon floridus var. floridus Christopher Davidson 1976-5-22 3981 Inyo On Waucoba Rd., ca. 4.5 mi. E of junction with Westgard Rd., toward Eureka Valley. (Waucoba Valley) 1372 Comment
  HSC82780  Penstemon fruticiformis subsp. fruticiformis Christopher Davidson, A. P. Romspert 1979-5-17 7978 Inyo Panamint Mtns., Johnson Canyon, trail up the creek to Hungry Bill's 1189 Comment
  RSA412550  Penstemon fruticiformis subsp. fruticiformis Christopher Davidson 1976-6-5 4224 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
  RSA408444  Penstemon grinnellii Christopher Davidson 1975-6-28 2905 Kern Pine Mountain Club, off road 9N05, N slope of Mt. Pinos. Up Zion Way, past water tank. 1768 Comment
  RSA420396  Penstemon grinnellii Anstruther Davidson 1921-01 s.n. Kern Tehachapi. Comment
  RSA408047  Penstemon grinnellii subsp. grinnellii Anstruther Davidson 1892-6-12 s.n. Los Angeles Wilson Peak. San Gabriel Mountains 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
  RSA408078  Penstemon heterodoxus Christopher Davidson 1970-9-10 7470 Mono Trail to Lake Mildred, 1-5 miles SW of Convict Lake, SW of Hwy 395. 2896 Comment
  RSA248652  Penstemon heterophyllus Christopher Davidson 1974-6-4 2284 Los Angeles Tapia Park, off Malibu Canyon Rd. 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
  SBBG54340  Penstemon labrosus C. Davidson 1978-6-15 7386 Riverside trail to top, Santa Rosa Peak 2407 Comment
  RSA401755A  Penstemon laetus Anstruther Davidson 1907-6-12 s.n. Kern Tehachapi Mts. Comment
  SEINET4097983  Penstemon laetus var. sagittatus C. Davidson 1975-1 2713 Shasta About 15 miles east of Redding on Highway 44. 510 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
  RSA420444  Penstemon patens Christopher Davidson 1976-6-7 4262 Mono On dirt road 3S53, 2.6 mi approx W of junction with road 4S34. E of Lake Crowley. Inyo Nat. Forest. 2142 Comment
  RSA401758B  Penstemon roezlii Christopher Davidson 1973-5-26 2134 Modoc 4 miles W of Canby on Hwy 299. 1341 Comment
  POM15893  Penstemon rostriflorus Chas Davidson 1885-07 s.n. Mariposa Yosemite. 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
  RSA424059  Penstemon rostriflorus Christopher Davidson 1978-9-10 7460 Mono Trail to Lake Mildred, 1-5 mi SW of Convict Lake, SW of Hwy 395 2287 Comment
  SEINET10376029 Image available Penstemon rostriflorus Christopher Davidson 1978-6-18 7305 San Bernardino San Bernardino Mountains, Hwy 18 10.2 miles SE of Lucerne Valley, 1.6 miles inside San Bernardino National Forest, below Whiskey Springs, opposite Chicopee Creek and canyon. 1615 Comment
  RSA420405  Penstemon rostriflorus R. Davidson 1920-7-1 s.n. Fresno Head of Kings River. Comment
  CAS-BOT-BC245561  Penstemon speciosus Christopher Davidson 1975-6-4 2613 Modoc 1/4 mi W of Cedarville on Hwy 299. 1463 Comment
  RSA401817  Penstemon spectabilis Anstruther Davidson 1901-07 2210 San Bernardino 7 Oaks. San Bernardino Mountains. Comment
  RSA401835  Penstemon spectabilis Christopher Davidson 1977-5-18 5604 Orange Santa Ana Mts. Cleveland Nat. Forest. Pleasants Peak (on Orange-Riverside Co. line). 1220 Comment
  NY762859  Penstemon utahensis C. Davidson 1977-5-28 5818 San Bernardino Keystone Spring, toward head of Keystone Canyon, east side of New York Mountains 1828.8 Comment
  POM351577  Pentachaeta aurea Anstruther Davidson 1893-05 s.n. Orange Santiago Canyon Comment
  POM351582  Pentachaeta aurea Anstruther Davidson 1923-4-1 s.n. San Diego Fallbrook 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
  SBBG45374  Perideridia gairdneri Leota Davidson 1966-7-13 421 Tulare road across from Quaking Aspen, off Hwy 190 2133 Comment
  SD107298  Perideridia parishii subsp. parishii Christopher Davidson 1975-8-16 3113 San Bernardino East end of Bluff Lake. 2315 Comment
  UC21238  Perideridia pringlei Dr. A. Davidson June, 1895 Los Angeles Harold Comment
  RSA471853  Perityle emoryi Christopher Davidson 1979-4-4 7724 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  RSA445146B  Petalonyx linearis Anstruther Davidson 1921-4-21 s.n. Riverside Thousand Palm Canyon. Comment
  HSC82916  Petalonyx nitidus Christopher Davidson, A. P. Romspert 1979-5-17 7962 Inyo Panamint Mtns., Johnson Canyon, along the road at various points up to Johnson Canyon Wash, ca. 7.3 mi. from the Jct. 787 Comment
  HSC66579  Petalonyx thurberi Christopher Davidson 1977-5-29 5853 San Bernardino E Mojave Desert, 2 mi. S of Kelso on Kelbaker Rd., E of Kelso Dunes 671 Comment
  RSA472021  Peucephyllum schottii Christopher Davidson 1976-6-5 4234 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
  RSA472026  Peucephyllum schottii Christopher Davidson 1973-3-9 1645 Inyo Death Valley National Monument. Furnace Creek wash, 1 miles SE of Furnace Creek Inn on State Highway 190 46 Comment
  NY5894  Phaca davidsonii A. Davidson 1893-5-12 4 Los Angeles Lancaster. Comment
  RSA0003582  Phaca davidsonii Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  RSA426018  Phacelia Christopher Davidson 1977-5-26 5723 San Bernardino Clark Mtn. at Pachalka Spring. 1494 Comment
  RSA127710  Phacelia ambigua Christopher Davidson 1973-4-1 1844 Riverside Along Hwy 74 on desert hillside facing Palm Desert. 488 Comment
  RSA427724  Phacelia ambigua Christopher Davidson 1977-5-26 5708 San Bernardino Clark Mountains; Pachalka Spring. 1524 Comment
  RSA427725  Phacelia ambigua Christopher Davidson 1976-5-14 3913 San Bernardino Pinnacles State Monument, ca. 18 miles E of China Lake. 503 Comment
  RSA421525  Phacelia bicolor Christopher Davidson 1976-6-7 4260 Mono Chidago Petroglyph site, on Five Bridges Road north of Bishop. (4.2 miles north of Fish Slough Petroglyph site). 1585 Comment
  UC24310  Phacelia bicolor var. bicolor Dr. A. Davidson May 1874 Los Angeles Antelope Valley Comment
  RSA427683B  Phacelia brachyloba Christopher Davidson 1975-6-16 2814 Riverside 5.4 miles N of Alandale Station on road R1 from Idyllwild to Banning. 1652 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
  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
  SBBG45493  Phacelia cicutaria var. hispida Leota Davidson 1965-5-16 195 Los Angeles Elizabeth Cyn near Castaic Comment
  RSA427695A  Phacelia ciliata Anstruther Davidson 1892-05 s.n. Los Angeles Cahuenga hills. Comment
  SBBG45725  Phacelia crenulata Leota Davidson 1966-4-9 305 San Bernardino Old Woman Springs, E of Victorville between Victorville and Joshua Tree Comment
  RSA426019  Phacelia cryptantha Christopher Davidson 1977-5-28 5792 a San Bernardino North side of Clark Mtn. On Colosseum Mine Rd, ca. 2.6 mi. S of junction with Powerline Rd. 1524 Comment
  SD99378  Phacelia cryptantha Christopher Davidson 1977-5-26 5723 San Bernardino Clark Mountain at Pachalka Springs. 1493 Comment
  RSA426024  Phacelia curvipes Christopher Davidson 1975-6-28 2893 Kern Pine Mountain Club, off road 9N05, N slope of Mt. Pinos. Up Zion Way, past water tank. 1768 Comment
  RSA426025  Phacelia curvipes Christopher Davidson 1975-8-13 3013 Kern North of road 9N24 to Pine Mtn summit, 0.5 mile north of McGill Campground. 2393 Comment
  RSA426053  Phacelia davidsonii Christopher Davidson 1975-5-25 2559 Los Angeles 3.5 mi NE of Old Ridge Route (8N04) on rd 7N23 to Liebre Mtn., ca. 0.1 mi past Sandberg Pk. 1646 Comment
  RSA426087  Phacelia distans Christopher Davidson 1975-6-29 2934 Kern San Emigdio Canyon, following old Mil Potrero Road, along San Emigdio Creek, Los Padres National Forest. Los Padres National Forest. 1677 Comment
  RSA428321A  Phacelia distans Anstruther Davidson 1890-05 1919 Los Angeles Los Angeles. Comment
  RSA426210A  Phacelia douglasii Christopher Davidson 1975-5-24 2549 Ventura Ca. 8 miles E of Ozena Station on Forest Service Road 9N03 1220 Comment
  RSA716253  Phacelia eisenii Anstruther Davidson 1913-7-25 2642 Inyo Bishop Creek Comment
  RSA428103  Phacelia exilis Christopher Davidson 1975-6-22 2863 Ventura 1.5 miles beyond Lookout on Frazier Mountan on road 8N04B 2317 Comment
  RSA426137  Phacelia fremontii Christopher Davidson 1976-5-23 4060 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
  RSA426156  Phacelia fremontii Anstruther Davidson 1895-8-3 s.n. Los Angeles Lancaster Comment
  RSA421524  Phacelia fremontii Anstruther Davidson 1923-6-1 s.n. Los Angeles [Unspecified] Comment
  RSA426129  Phacelia fremontii Anstruther Davidson 1910-4-24 s.n. Inyo Haiwee. Comment
  RSA427960  Phacelia frigida subsp. dasyphylla Christopher Davidson 1975-6-4 2610 Modoc A quarter mile west of Cedarville on Highway 299. 1463 Comment
  RSA428128  Phacelia hastata Anstruther Davidson 1901-07 2225 San Bernardino 7 Oaks. San Bernardino Mountains. Comment
  RSA428129  Phacelia hastata Anstruther Davidson 1901-07 2189 San Bernardino Bear Valley, San Bernardino Mountains. Comment
  RSA427984  Phacelia heterophylla subsp. virgata Christopher Davidson 1975-6-4 2594 Modoc 0.4 mile east of Highway 395 on Highway 299 toward Cedarville. Fenced pasture on south side of road. 1380 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
  RSA428019  Phacelia imbricata Christopher Davidson 1975-6-29 2946 Kern San Emigdio Canyon, Old Mil Potrero Road along San Emigdio Creek Los Padres National Forest. 1707 Comment
  RSA428025  Phacelia imbricata subsp. imbricata Christopher Davidson 1975-6-22 2845 Ventura Two miles south of Chuchupate Forest Station on road 8N04 to Frazier Mountain. 1509 Comment
  RSA428038  Phacelia linearis Christopher Davidson 1975-6-4 2629 Modoc Canby Bridge across Pit River, ca. four miles south of Canby on Highway 299. 1341 Comment
  RSA428039  Phacelia linearis Christopher Davidson 1973-5-24 2109 b Modoc South of Alturas along Highway 395 near Likely. 1311 Comment
  UC24396  Phacelia longipes Dr. A. Davidson June 1895 Los Angeles Wilson Mt. Comment
  RSA428073  Phacelia minor Anstruther Davidson 1890-4-10 s.n. Los Angeles Cahuenga Pass. Comment
  SBBG25236  Phacelia minor Leota Davidson 1966-3-9 307 Los Angeles Tick Cyn off Soledad Cyn; about 1 mi back from head of cyn Comment
  RSA428283  Phacelia mohavensis Anstruther Davidson 1939-7-4 s.n. Los Angeles Big Rock Comment
  RSA428114  Phacelia mutabilis Anstruther Davidson 1896-7-7 1921 Riverside Mt. San Jacinto. 2744 Comment
  SBBG44595  Phacelia pachyphylla Leota Davidson 1966-1 Inyo 13.2 mi from Furnace Crk Ranch, Daylight Pass Comment
  RSA428150  Phacelia parryi Anstruther Davidson 1910-07 2503 Los Angeles San Gabriel Comment
  RSA428156  Phacelia pedicellata Christopher Davidson 1973-3-9 1662 Inyo Death Valley Nationl Monument, Badwater. Comment
  RSA428268  Phacelia perityloides Christopher Davidson 1976-5-22 4023 Inyo Last Chance Mountains, directly east of Eureka Dune, south end of Eureka Valley. 915 Comment
  SEINET4080506  Phacelia ramosissima var. latifolia C. Davidson 1975-1 2820 Riverside Roughly two miles south of Banning on road R1 to Idyllwild; roughly 20 feet from road. 822 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
  RSA426114  Phacelia stellaris Anstruther Davidson 2333 Los Angeles Playa del Rey. Comment
  RSA428236  Phacelia vallis-mortae Christopher Davidson 1976-6-4 4179 Inyo Harkless Flat Road, 1.3 mile S of jct. with Waucoba Road 2073 Comment
  UC122013  Phalaris caroliniana Dr. A. Davidson 1898-1 Los Angeles Los Angeles Comment
  POM356920  Phalaris minor Anstruther Davidson s.n. Unknown [no locality information provided] 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
  RSA263969  Phleum alpinum Christopher Davidson, Robert F. Thorne 1976-8-15 4662 San Bernardino Upper South Fork Meadow, San Gorgonio Wilderness Area. 2439 Comment
  RSA467437  Phleum alpinum Anstruther Davidson 1911-07 2519 Inyo Bishop Creek Comment
  UCSB50565  Phleum alpinum Davidson, Christopher; Thorne, Robert 1976-8-15 San Bernardino San Bernardino Mts., Upper South Fork Meadow, San Gorgonio Wilderness Area Comment
  RSA469905  Phlox austromontana Christopher Davidson 1976-6-9 4361 San Bernardino on St. Hwy 18, Cushenbury Grade Summit. San Bernardino Mountains. 2058 Comment
  RSA0066420  Phlox covillei Anstruther Davidson 1995-09 s.n. San Bernardino Bear Valley. Comment
  RSA469926  Phlox diffusa subsp. subcarinata Christopher Davidson 1975-7-13 3011 Ventura Just off road 9N24 to Pine Mt. [Mount Pinos] summit on short side road to S, ca. 100 yards. Gentle S slope toward condor observation site. 2652 Comment
  RSA468395  Phlox hoodii subsp. canescens Christopher Davidson 1975-6-5 2682 Siskiyou 0.8 mi N of Scott Mtn Summit on Hwy 3. 1585 Comment
  RSA469944  Phlox speciosa subsp. occidentalis Christopher Davidson 1973-5-28 2172 Shasta On dirt logging road off St Hwy 299, ca. 1 mi E of Buckhorn Summit. 976 Comment
  RSA469932  Phlox stansburyi Anstruther Davidson 1911-07 3111 Inyo Andrews Camp. Bishop Creek [Now Bishop]. Comment
  RSA468397  Phlox stansburyi subsp. superba Christopher Davidson 1976-5-22 3983 Inyo On Waucoba Rd., ca. 7.3 mils E of junction with Westgard Rd. , toward Eureka Valley. In Waucoba Valley. 1723 Comment
  RSA468401  Phlox viridis subsp. compacta Christopher Davidson 1976-6-8 4338 Inyo Death Valley Nat. Mon. Road to Mahogany Flat. Opposite the charcoal kilns. 1982 Comment
  RSA477465  Phoenicaulis cheiranthoides Anstruther Davidson 1911-7-6 2823 Inyo Bishop Creek Comment
  POM11405  Pholisma sonorae Anstruther Davidson 1922-1 s.n. Imperial Imperial Valley Comment
  RSA420769  Phoradendron californicum Anstruther Davidson 1921-04 s.n. Riverside Palm Spring Comment
  RSA420777  Phoradendron californicum Anstruther Davidson 1901-02 s.n. Riverside Near Palm Springs, base of San Jacinto Mtns. Comment
  SD99363  Phoradendron juniperinum Christopher Davidson 1977-5-28 5817 San Bernardino Keystong Spg, toward head of Keystone Canyon, east side of New York Mountains 1829 Comment
  HSC46414  Phoradendron serotinum subsp. tomentosum Christopher Davidson, John A. Churchill M. D. 1976-9-16 4737 Kern W end of Cuddy Valley on road to Mt. Pinos summit, N side of the road 1692 Comment
  POM354402  Phoradendron villosum Christopher Davidson 1979-5-22 8115 San Bernardino San Bernardino Mts. Grapevine Canyon. 5.9 mi S of Hwy 18 on Grapevine Canyon rd. 1524 Comment
  RSA434507  Phyla lanceolata Anstruther Davidson 1889-07 s.n. Los Angeles Cienega, Los Angeles. Comment
  RSA467813  Phyllodoce breweri Anstruther Davidson 1908-07 1820 Tulare Alta Peak. Sequoia National Park. 3415 Comment
  HSC66439  Physalis crassifolia Christopher Davidson 1977-5-29 5864 San Bernardino E Mojave Desert, 2 mi. S of Kelso on Kelbaker Rd., E of Kelso Dunes 671 Comment
  RSA423188  Physalis crassifolia Anstruther Davidson s.n. Riverside Palm Springs. Comment
  RSA423752B  Physalis crassifolia Anstruther Davidson 1926-3-1 s.n. San Diego Colorado Desert. Comment
  RSA423223  Physalis hederifolia Christopher Davidson 1977-5-29 5842 San Bernardino Caruthers Canyon, south end of New York Mountains 1768 Comment
  RSA431460  Physaria chambersii Christopher Davidson 1977-5-27 5760 b 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
  SD99423  Pickeringia montana var. montana Christopher Davidson 1977-6-18 5922 Mendocino Signal Ridge Road, 11.7 miles west of Hwy 128 518 Comment
  RSA384289  Pinus attenuata Christopher Davidson 1977-5-18 5600 Orange Santa Ana Mts. Cleveland Nat. Forest. Pleasants Peak (on Orange-Riverside Co. line). 1220 Comment
  SCFS814  Pinus contorta E. Davidson 1964-7-15 715648 Nevada Sagehen Basin, 0.25 mi SW of station 1981 Comment
  RSA384306  Pinus coulteri Anstruther Davidson 1907-01 2056 Kern Tehachapi Mts. Comment
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Mar 6 2014
  RSA384338  Pinus jeffreyi Christopher Davidson 1975-7-3 2980 Kern Road to Mt Pinos. Steep E slope facing N branch of Seymour Creek, toward Mt. Pinos Campgound. Los Padres National Forest. 2287 Comment
  SCFS686  Pinus jeffreyi E. Davidson 1964-7-15 715644 Nevada Sagehen Basin, Sagehen Ck Rd, 0.5 mi W from Hwy 89 1951 Comment
  RSA384459  Pinus ponderosa Anstruther Davidson 1911-7-1 2616 Inyo Bishop Creek. Comment
  RSA499869  Plagiobothrys canescens var. catalinensis Anstruther Davidson 1910-4-25 2469 Inyo Haiwee Comment
  POM368975  Plagiobothrys scouleri var. hispidulus Christopher Davidson 1973-5-26 2152 Modoc Ca. 1 mi. N of Adin Summit on St Hwy 299. 1524 Comment
  POM368982  Plagiobothrys scouleri var. hispidulus Christopher Davidson 1978-6-18 7354 San Bernardino San Bernardino Mountains, Baldwin Lake, 0.3 mile E of Big Bear City. 2058 Comment
  RSA401948A  Plantago erecta Anstruther Davidson 1920-01 s.n. Ventura Hills near Simi Comment
  RSA401978B  Plantago erecta Anstruther Davidson 1890-04 s.n. Los Angeles [No location data on label] Comment
  RSA412562  Plantago lanceolata Anstruther Davidson 1891-05 s.n. San Bernardino [No location data on label] 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
  RSA401949A  Plantago patagonica Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  RSA412593  Plantago purshii var. oblonga Christopher Davidson 1976-6-5 4241 Inyo Inyo Mts., Waucoba-Death Valley Rd., 24.3 mi W of junction to Eureka Dune. 1921 Comment
  RSA382938  Platanthera Anstruther Davidson 1901-07 2261 San Bernardino 7 Oaks. San Bernardino Mountains. Comment
  RSA263975  Platanthera sparsiflora 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
  RSA433737  Plectritis macrocera Christopher Davidson 1975-6-7 2754 Lassen 1 mile E of Beckwourth Pass on Hwy 70. 1524 Comment
  RSA433743  Plectritis macrocera Christopher Davidson 1975-6-5 2669 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
  RSA414079  Pleuraphis rigida Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-29 7821 Riverside West of Indio, 3 miles E of Date Palm Dr. 15 Comment
  RSA414080  Pleuraphis rigida Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  UC60777  Pleuraphis rigida Dr. A. Davidson Los Angeles Los Angeles 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
  HSC66615  Pleurocoronis pluriseta Christopher Davidson, Josephine Jones 1980-4-4 9948 Riverside Orocopia Mtns., W end of mountains almost due S of Oro Peak 518 Comment
  RSA472097  Pleurocoronis pluriseta Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  RSA472108  Pluchea odorata Anstruther Davidson 1889-08 s.n. Los Angeles E. Los Angeles. Comment
  RSA472122  Pluchea sericea Christopher Davidson 1973-3-9 1658 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
  UC35680  Pluchea sericea Dr. A. Davidson June 1892 Los Angeles Wilsons Peak Comment
  POM353054  Poa Anstruther Davidson 1908-07 2109 Tulare Sequoia National Park Comment
  RSA263923  Poa annua Christopher Davidson, Robert F. Thorne 1976-8-15 4709 San Bernardino San Bernardino Mountains: Lower South Fork Meadow, San Gorgonio Wilderness Area. 2317 Comment
  RSA484382  Poa nervosa Anstruther Davidson 1911-07 2516 Inyo Bishop Creek Comment
  RSA484184  Poa secunda Christopher Davidson 1976-6-4 4200 Inyo Harkless Flat Road, ridge at road's end overlooking Owens Valley. (5.2 miles from junction) 2226 Comment
  RSA484185  Poa secunda Christopher Davidson 1976-5-17 3944 Inyo U.S. Naval Ordinance Test Station. Sheep Canyon (also called Renegade Canyon) petroglyph site. 1555 Comment
  RSA484187  Poa secunda Anstruther Davidson 1910-4-25 2430 Inyo Haiwee Comment
  RSA484190  Poa secunda Christopher Davidson, Robert Gustafson, D. A. Reynolds 1979-5-9 7843 San Bernardino St Highway 18 up Cushenbury Canyon, ca. 1/4 mi inside San Bernardino Nat'l Forest boundary 1418 Comment
  RSA484191  Poa secunda Anstruther Davidson 1909-07 2330 San Bernardino Bear Valley, San Bernardino Mts. Comment
  RSA484244  Poa wheeleri Christopher Davidson 1976-6-26 4436 San Bernardino E end of Bluff Lake, along a small forest runoff channel 2-3 ft. deep. (Off rd 2N10). 2256 Comment
  SEINET4326940 Image available Polemonium micranthum John F. Davidson 1947-4-11 4625 Ventura N slope of Pine Mountain, on Hwy 399, 20.7 miles S of junction with Hwy 166 Comment
  RSA263983  Polemonium occidentale Christopher Davidson, R. F. Thorne 1976-8-15 4671 San Bernardino Upper South Fork Meadow, San Gorgonio Wilderness Area. 2439 Comment
  SCFS341  Polemonium occidentale E. Davidson 1964-6-27 627641 Nevada Sagehen Basin, Marshy stream bank of SH Ck, ca. 0.5 mi W of station 1951 Comment
  POM365411  Polemonium occidentale Anstruther Davidson 1911-7-11 2635 Inyo Bishop Creek. Comment
  UC908999  Polemonium pulcherrimum subsp. pulcherrimum John F. Davidson 1947-4-21 4632 Unknown Comment
  RSA460131  Polygala californica Christopher Davidson 1977-6-18 5914 Mendocino Mountain View Road, 20.3 miles E of Coast Hwy 1. 244 Comment
  CAS-BOT-BC167815  Polygala cornuta var. fishiae Dr. A. Davidson 1893-1-1 s.n. Los Angeles Mt. Wilson Comment
  JEPS27117  Polygala cornuta var. fishiae A. Davidson 1893-1 Los Angeles Mt. Wilson Comment
  UC450155  Polygala cornuta var. fishiae A. Davidson, M. D. 3263 Los Angeles Crags Club St. Monica Mts. Comment
  UCR66493  Polygala cornuta var. fishiae Anstruther Davidson 1917-8-17 s.n. Los Angeles Crater Camp near Calabasas Comment
  RSA466298  Polygonum bistortoides Anstruther Davidson 1895-09 s.n. San Bernardino San Bernardino Mountains. Bear Valley. Comment
  RSA466299  Polygonum bistortoides Christopher Davidson 1975-8-16 3160 San Bernardino S. of Big Bear Lake near junction of private road to Bluff Lake and road 2N10. On edge of meadow opposite the junction. 2325 Comment
  RSA465398  Polygonum douglasii Anstruther Davidson 1908-07 1638 Tulare Sequoia National Forest. Comment
  RSA466326A  Polygonum douglasii subsp. douglasii Christopher Davidson 1975-8-16 3100 San Bernardino E end of Bluff Lake on drying grassland margins of small forest runnoff channel. 2317 Comment
  RSA466400  Polygonum kelloggii Anstruther Davidson 1907-07 s.n. San Bernardino Bear Valley. 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
  RSA693320  Polystichum munitum Anstruther Davidson 1908-07 2091 Tulare Sequoia National Forest. Comment
  RSA360772  Populus fremontii Christopher Davidson, Alan Romspert 1979-5-16 7949 Inyo Panamint Mountains, Johnson Canyon. Vicinity of lower spring at the end of the road. 20 miles SW of Badwater. Comment
  POM360808  Populus trichocarpa Anstruther Davidson 1911-07 2614 Inyo Bishop Creek. 1524 Comment
  RSA472198  Porophyllum gracile Anstruther Davidson 1928-4-15 s.n. Inyo Mountain Springs Grade. Comment
  RSA383490  Potamogeton foliosus Anstruther Davidson 1925-5-1 s.n. San Diego Sweetwater Basin Comment
  CAS-BOT-BC453819  Potamogeton nodosus Dr. A. Davidson 1893-1-1 s.n. Los Angeles Garvanza Comment
  UC12570  Potentilla biennis Dr. A. Davidson Jul 1895 Kern Tehachapi Comment
  POM366505  Potentilla fruticosa Christopher Davidson 1970-9-10 7484 Mono Trail to lake Mildred, 1-5 miles SW of Convict Lake, SW of highway 395. Along Convict Creek. 2591 Comment
  RSA366531  Potentilla glandulosa Anstruther Davidson 1907-6-10 1705 Kern Tehachapi Mts. Comment
  RSA451894  Potentilla glandulosa subsp. nevadensis Anstruther Davidson 1913-07 2930 Inyo Bishop Creek. Comment
  RSA451901  Potentilla gracilis var. elmeri Anstruther Davidson 2740 Inyo Bishop Creek. Comment
  POM366602  Potentilla gracilis var. elmeri Anstruther Davidson 1871-7-4 2743 Inyo Bishop. Comment
Read comments
Nov 18 2014
  SBBG45244  Potentilla gracilis var. fastigiata Leota Davidson 1965-10-12 208 Calaveras W of Ebbetts Pass, Hwy 4 1828 Comment
  SCFS910  Potentilla gracilis var. fastigiata E. Davidson 1964-7-3 73643 Nevada Sagehen Basin, Ca. 100 yds E of station on S side of rd 1951 Comment
  CAS-BOT-BC539748  Potentilla gracilis var. fastigiata Dr. A. Davidson 1873-7-1 s.n. Los Angeles Rock Creek, San Gabriel Mts Comment
  POM366603  Potentilla millefolia Christopher Davidson 1975-6-6 2721 Lassen 2.8 miles W of Bogard Work Center and roadside rest on Hwy 44. 1684 Comment
  RSA451895  Potentilla pseudosericea Anstruther Davidson 1926-8-1 s.n. Inyo South Fork of Bishop Creek. 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
  RSA453204  Prunus andersonii Anstruther Davidson 2742 Inyo Andrew's Camp, Bishop Creek. Comment
  SEINET4092598  Prunus emarginata C. Davidson 1975-1 2650 Unknown 2.7 miles east of town of Mount Shasta on Mount Shasta Uplands Road. 1310 Comment
  RSA453232  Prunus fasciculata Anstruther Davidson s.n. Riverside Colorado Desert. Comment
  RSA453259  Prunus fasciculata Christopher Davidson 1978-6-18 7291 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
  RSA454167  Prunus subcordata Anstruther Davidson 1927-05 s.n. Humboldt [Unspecified] Comment
  RSA454195  Prunus virginiana var. demissa Anstruther Davidson 1908-07 3178 Tulare Sequoia National Forest. Comment
  RSA472319  Psathyrotes ramosissima Anstruther Davidson 1922-04 3530 Riverside Palm Springs. Comment
  RSA478133  Pseudostellaria jamesiana Anstruther Davidson 1883-06 s.n. Mariposa Yosemite Region 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
  SEINET6656689  Psorothamnus polydenius var. polydenius Christopher Davidson 1976-6-5 4219 Inyo Eureka Dune, S end of Eureka Valley.; 0 853 Comment
  RSA404254  Psorothamnus schottii Anstruther Davidson 1979-4-4 7690 Riverside Orocopia Mts. Lower End of Box Canyon on Box Canyon Rd., 4.4 mi. E of Mecca. 213 Comment
Read comments
Mar 15 2013
  RSA404248  Psorothamnus schottii Anstruther Davidson 1927-3-1 s.n. San Diego Colorado Desert [San Diego, Riverside, and San Bernardino counties]. Comment
  RSA404277  Psorothamnus spinosus Anstruther Davidson 1928-5-1 s.n. Riverside Colorado Desert. Comment
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Feb 11 2014
  RSA467865  Pterospora andromedea Anstruther Davidson 1908-07 1675 Tulare Sequoia National Forest. Comment
  RSA392919  Pterostegia drymarioides Anstruther Davidson 1902-04 s.n. Los Angeles Playa del Rey. Comment
  RSA470961  Pteryxia terebinthina var. californica Anstruther Davidson 1908-07 2087 Tulare Sequoia State Park- - - [illegible] Comment
  RSA470960  Pteryxia terebinthina var. californica Anstruther Davidson 1908-07 2075 Tulare Sequoia State Park- - - [illegible] Comment
  RSA451375  Purshia stansburyana Christopher Davidson 1976-6-8 4289 Inyo On Waucoba-Eureka Valley Rd., 1.6 mi E of Saline Valley junction. Small dirt rd to the N, site overlooking Little Cowhorn Valley. 2226 Comment
  CAS-BOT-BC158698  Purshia tridentata var. glandulosa A. Davidson 1901-8-1 s.n. San Bernardino Rock Creek Comment
  RSA248721  Purshia tridentata var. glandulosa Christopher Davidson 1974-6-23 2347 Inyo White Mts., on St Hwy 168 W of Deep Springs. 1829 Comment
  RSA449642  Purshia tridentata var. glandulosa Christopher Davidson, B. Gustafson, D. A. Reynolds 1979-5-9 7846 San Bernardino St Highway 18 up Cushenbury Canyon, ca. 1/4 mi inside San Bernardino Nat'l Forest boundary. 1418 Comment
  RSA449643  Purshia tridentata var. glandulosa Christopher Davidson, B. Gustafson, Robert F. Thorne 1979-5-22 8101 San Bernardino San Bernardino Mts. Grapevine Canyon. North desert slope. 6.5 mi S of Hwy 18 on Grapevine Canyon Rd. 1610 Comment
  RSA449650  Purshia tridentata var. glandulosa Christopher Davidson 1976-6-7 4263 Mono On dirt road 3S53, 2.75 miles approx W of junction with road 4S34. E of Lake Crowley. Inyo National Forest. 2134 Comment
  RSA263968  Pyrola californica Christopher Davidson, Robert F. Thorne 1976-8-14 4583 San Bernardino Fish Creek Meadows, at the end of Forest Service Road 1N05, S of Heart Bar State Park. 2439 Comment
  RSA0080459  Pyrola dentata Anstruther Davidson 1906-6-8 1502 Los Angeles Big Rock Creek. 1982 Comment
  SCFS262  Pyrola picta E. Davidson 1964-7-20 720642 Nevada Sagehen Basin, Found ca. 1.25 mi SW of station at upper edge of large hanging bog 1981 Comment
  RSA0083374  Pyrola picta Anstruther Davidson 1908-07 1649 Tulare Sequoia National Forest. 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
  RSA477078  Quercus X morehus Anstruther Davidson 1921-07 3452 San Bernardino Near Seven Oaks, san Bernardino Mts. Comment
  RSA0043212  Quercus berberidifolia Christopher Davidson 1976-3-27 3897 San Diego On Highway S16, 2.4 mi S of San Diego Co. line (SE of Temecula). 335 Comment
  RSA476554  Quercus chrysolepis Christopher Davidson 1975-6-6 2709 Trinity 11.5 miles N of Weaverville on Hwy. 3. Beside the road on a very steep bank above Rush Cr. 762 Comment
  RSA476885  Quercus chrysolepis Christopher Davidson 1977-5-28 5804 San Bernardino New York Mountains, Keystone Springs, toward head of Keystone Canyon, east side of New York Mts. 1828 Comment
  RSA477081  Quercus chrysolepis Anstruther Davidson 1908-07 1688 Tulare Kaweah. Comment
  SD99409  Quercus durata Christopher Davidson 1977-6-20 6012 Sonoma 8.6 miles west of Geyserville, on Dry Creek Road 91 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
  RSA476818  Quercus kelloggii Christopher Davidson 1975-6-4 2626 Modoc 0.7 mile east of Upper Rush Creek Camp on dirt road off Highway 299 ca. 7 miles north of Adin. 1646 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
  SEINET4078931  Quercus kelloggii C. Davidson 1975-1 2626 Modoc 0.7 mile east of Upper Rush Creek Camp on dirt road off highway 299; roughly seven miles north of Adin. Left side of road. 1645 Comment
  UC5846  Quercus pacifica Dr. A. Davidson 1895-1 Los Angeles Catalina Island Comment
  RSA476781  Quercus palmeri Christopher Davidson, B. Gustafson, R. F. Thorne 1979-5-22 8137 San Bernardino San Bernardino Mountains, ca. 5 mi S of Hwy 18 on road up Arrastre Canyon. 1128 Comment
  UCD47347  Quercus tomentella C. Davidson 1971-5-8 1538 Los Angeles Catalina Is. Upper end of Toyon Canyon. Comment
  RSA477111  Quercus turbinella subsp. turbinella Christopher Davidson 1977-5-28 5805 San Bernardino New York Mountains, Keystone Springs, toward head of Keystone Canyon, east side of New York Mts. 1828 Comment
  RSA477122  Quercus wislizeni var. frutescens Christopher Davidson 1975-5-25 2554 Los Angeles 1.4 mi from Old Ridge Route (8N04) on rd 7N23 to Liebre Mountain. Angeles Nat. For. 1433 Comment
  RSA477123  Quercus wislizeni var. frutescens Anstruther Davidson 1892-8-20 s.n. Los Angeles Wilson's Peak Comment
  RSA477131  Quercus wislizeni var. frutescens Christopher Davidson 1977-5-18 5631 Riverside Santa Ana Mts, Cleveland National Forest, Bear Springs. 1220 Comment
  RSA472447  Rafinesquia neomexicana Christopher Davidson 1973-3-9 1685 Inyo Death Valley Nat. Mon. Jubilee Pass on St 178. 402 Comment
  UC33292  Rafinesquia neomexicana Dr. A. Davidson July 1895 Los Angeles Antelope Valley Comment
  RSA399356  Ranunculus alismifolius var. alismellus Anstruther Davidson 1901-07 2292 San Bernardino Bear Valley, San Bernardino Mountains. Comment
  RSA399376  Ranunculus aquatilis var. capillaceus Anstruther Davidson 1928-5-1 s.n. San Bernardino Onyx summit? Comment
  RSA400230  Ranunculus canus var. ludovicianus Anstruther Davidson 1890-5-5 s.n. Ventura Hoppers Ranch. Comment
  RSA399986  Ranunculus eschscholtzii Anstruther Davidson 1896-7-7 1922 Riverside Mt. San Jacinto. Comment
  POM400015  Ranunculus occidentalis var. eisenii Christopher Davidson 1973-5-24 2099 Modoc S of Alturas on Hwy 395 near Likely. 1311 Comment
  SCFS792  Ranunculus uncinatus E. Davidson 1964-6-26 626643 Nevada Sagehen Basin, Lg mdw directly S of station on its W side 1951 Comment
  RSA390177  Rhamnus californica Christopher Davidson 1977-6-19 5932 Mendocino Haven's Neck, small peninsula on coast north of Anchor Bay. Comment
  RSA390199  Rhamnus californica Christopher Davidson 1977-6-20 60115 Sonoma Dry Cr. Rd. 8.6 mi. W of Geyserville. 91 Comment
  RSA390843  Rhamnus ilicifolia Anstruther Davidson 1891-7-10 s.n. Los Angeles [Unspecified] Comment
  RSA390148  Rhamnus tomentella subsp. cuspidata Anstruther Davidson 1916-7-1 s.n. Los Angeles Crescenta. Comment
  GH363044  Rhododendron columbianum A. Davidson Jul 11 2650 Unknown South Lake, Bishop Creek 3048 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
  RSA459464  Ribes Anstruther Davidson 1908-07 182 Tulare Sequoia National Forest. Comment
  RSA476409  Ribes amarum Anstruther Davidson 1910-2-28 2470 Los Angeles Wilson s Peak Comment
  RSA476410  Ribes amarum Anstruther Davidson 1891-5-30 s.n. Los Angeles Millards Canyon Comment
  RSA271927  Ribes cereum Christopher Davidson 2620 Modoc 2.5 mi W of Cedarville on Hwy 299. 1677 Comment
  RSA454978  Ribes cereum Christopher Davidson 1975-6-28 2903 Kern Pine Mountain Club, off road 9N05, N slope of Mt. Pinos. Up Zion Way, past water tank. 1768 Comment
  RSA454979  Ribes cereum Christopher Davidson 1975-6-4 2620 Modoc 2.5 mi W of Cedarville on Hwy 299. South sloping hillside of rocky basalt and red clay. 1677 Comment
  RSA476158  Ribes cereum Christopher Davidson 1977-5-27 5779 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
  RSA476159  Ribes cereum Christopher Davidson 1975-8-30 3224 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
  SD99372  Ribes cereum Christopher Davidson 1977-5-27 5779 San Bernardino Trail up north side of Clark Mountain, departing from Colosseum Mine Road, ca. 2.6 miles south of Powerline Road. 1890 Comment
  RSA476144  Ribes cereum var. cereum Anstruther Davidson 1906-06 1498 Los Angeles Big Rock Creek 1524 Comment
  SCFS141  Ribes divaricatum E. Davidson 1964-6-22 622646 Nevada Sagehen Basin, 20 ft SE of fish hatchery at station 1951 Comment
  RSA439672  Ribes indecorum Anstruther Davidson 1893-1 s.n. San Diego [No location information on label.] Comment
  RSA441493  Ribes malvaceum var. viridifolium Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  RSA0021911  Ribes montigenum Anstruther Davidson 1913-07 s.n. Inyo Bishop Creek. Comment
  RSA476218  Ribes nevadense Christopher Davidson 1976-6-26 4429 San Bernardino Green Valley Road, 1.4 miles from junction with Highway 18; 1966 Comment
  RSA476219  Ribes nevadense Christopher Davidson 1975-8-30 3198 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
  RSA0022872  Ribes nevadense Christopher Davidson 1975-6-28 2901 Kern Pine Mountain Club, off road 9N05, N slope of Mt. Pinos. Up Zion Way, past water tank. 1768 Comment
  RSA476252  Ribes roezlii Anstruther Davidson 1907-6-10 1713 Kern Tehachapi Mts. Comment
Read comments
Mar 6 2014
  SBBG52796  Ribes roezlii C. Davidson, J. A. Churchill 1976-9-16 4736 Kern W end of Cuddy Valley on rd to Mt Pinos summit 1691 Comment
  RSA0024603  Ribes roezlii var. cruentum Christopher Davidson 1975-6-5 2685 Siskiyou 0.8 miles N of Scott Mountain Summit on Highway 3. 1585 Comment
  RSA476290  Ribes speciosum Anstruther Davidson 1890-4-10 s.n. Los Angeles Cahuenga Comment
  RSA454967  Ribes velutinum Anstruther Davidson 1910-4-25 2376 Inyo Haiwee Creek. Comment
  RSA431539  Rorippa curvisiliqua Christopher Davidson 1976-6-26 4448 San Bernardino E end of Bluff Lake, along a small forest runoff channel 2-3 ft. deep. (Off rd 2N10). 2256 Comment
  RSA431541  Rorippa curvisiliqua Christopher Davidson 1975-8-16 3097 San Bernardino E end of Bluff Lake along small forest runoff channel 2-3 ft. deep damp margins and bottom 2317 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
  UCR80210  Rorippa sphaerocarpa Christopher Davidson, R. F. Thorne 1976-8-14 4576 San Bernardino San Bernardino Mtns, Fish Creek Meadows, at the end of Forest Service Road 1N05, South of Heart Bar State Park 2439 Comment
  RSA451664  Rosa bridgesii Anstruther Davidson 1637 San Bernardino Bear Valley Dam; San Bernardino Mountains. 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
  POM366459  Rubus discolor Christopher Davidson 1977-6-19 5981 Mendocino 2.2 miles E of Gualala on county rd 502. Bridge crossing Gualala River. 15 Comment
  SBBG72351  Rubus leucodermis Anstruther Davidson -Jul-1893 Los Angeles Wilson's Peak 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
  RSA466084  Rumex maritimus Christopher Davidson 1975-8-30 3203 San Bernardino Big Bear Lake. S Shore Dr. Sandy beach left of road 2043 Comment
  RSA466103  Rumex paucifolius Anstruther Davidson 1911-07 s.n. Inyo Andrews Camp. Bishop Creek [Now Bishop]. 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
  RSA466117  Rumex salicifolius Anstruther Davidson 1890-05 s.n. Los Angeles Los Angeles. Comment
  SCFS98  Rumex triangulivalvis E. Davidson 1964-7-3 73644 Nevada Sagehen Basin, Ca. 150 yd E of station on N side of Rd 1951 Comment
  RSA353676  Sagittaria Anstruther Davidson s.n. Los Angeles Near Ballona. Comment
  SD107339  Sagittaria cuneata Christopher Davidson 1975-8-16 3142 San Bernardino East end of Bluff Lake, South of Big Bear Lake. 2315 Comment
  RSA401574B  Salazaria mexicana Christopher Davidson 1973-4-7 1931 San Bernardino Off Hwy 62, toward Yucca Valley, 6.2 miles east, above Morongo Valley. 884 Comment
  RSA562834  Salazaria mexicana Christopher Davidson, Alan Romspert 1979-5-16 7945 Inyo Panamint Mts. Johnson Canyon. Vicinity of lower spring at the end of the road. 20 miles SW of Badwater. 1189 Comment
  RSA478907  Salicornia virginica Anstruther Davidson 1902-09 s.n. Orange Newport Beach. Comment
  RSA571877  Salix Christopher Davidson, Alan Romspert 1979-5-17 7973 Inyo Panamint Mountains, Johnson Canyon. Trail up the creek to Hungry Bill's. 1189 Comment
  POM360971  Salix eastwoodiae Anstruther Davidson 1911-07 2622 Inyo South Lake, Bishop Creek. 3049 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
  SD99401  Salix gooddingii Christopher Davidson 1977-5-26 5689 San Bernardino Clark Mtn. At Pachalka Spg. Desert oasis woodland 1493 Comment
  HSC66181  Salix lasiolepis Christopher Davidson, B. Gustafson, R. F. Thorne 1979-5-22 8135 San Bernardino San Bernardino Mtns., 5 mi. S of Hwy. 18 on road up Arrastre Canyon 1128 Comment
  POM362732  Salix lasiolepis Christopher Davidson 1973-4-6 1871 Los Angeles Malibu Canyon, Tapia Park. 243 Comment
  POM362884  Salix orestera Christopher Davidson 1978-9-10 7461 Mono Trail to Lake Mildred, 1-5 miles SW of Convict Lake, SW of Hwy 395. 2896 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
  RSA469666  Saltugilia splendens Christopher Davidson 1976-7-17 4473 San Bernardino San Bernardino Mountains, on Van Dusen Canyon Road (3N09) 3 mi. N of Hwy 38. 2226 Comment
  RSA469684  Saltugilia splendens Christopher Davidson 1975-6-16 2813 Riverside 5.4 miles N of Alandale Station on road R1 from Idyllwild to Banning. 1652 Comment
  GH403559  Salvia J. Davidson 1896-1-1 Unknown Los Angeles, Lincoln Park Comment
  UC104493  Salvia A. Davidson Jun 1876 Los Angeles Los Angeles foothills; Los Angeles Comment
  RSA411358  Salvia carduacea Christopher Davidson 1973-4-1 1887 Los Angeles 1 mi south of Littlerock. 762 Comment
  RSA411365  Salvia carduacea Anstruther Davidson 1890-5-1 s.n. Los Angeles Near Burbank Comment
  RSA401478  Salvia columbariae Christopher Davidson 1979-4-4 7730 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  CAS-BOT-BC179245  Salvia dorrii var. dorrii Christopher Davidson 1975-6-4 2607 Modoc 1/4 mi W of Cedarville on Hwy 299. 1463 Comment
  SBBG25188  Salvia dorrii var. pilosa Leota Davidson 1965-5-9 160 Los Angeles near Little Rock Comment
  UC25673  Salvia dorrii var. pilosa Dr. A. Davidson 1895-1 Los Angeles Antelope Valley Comment
  RSA446309  Salvia funerea Christopher Davidson 1976-6-6 4248 Inyo Last Chance Mts.; Limestone Canyon (''Dedeckera Canyon'') S of Eureka Dune. 1220 Comment
  RSA434168  Salvia mohavensis Christopher Davidson 1977-5-26 5702 San Bernardino Clark Mountains; Pachalka Spring. 1524 Comment
  HSC47181  Salvia 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. NE side of the road. 1372 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
  CHSC792  Salvia sonomensis M. Davidson 1929-5-19 Butte Cohasset road. 457 Comment
  CAS-BOT-BC233345  Salvia vaseyi A. Davidson 1983-5-1 s.n. Riverside Thermal, Colorado Desert Comment
  RSA470991  Sanicula arguta Anstruther Davidson 1926-5-1 s.n. Ventura Santa Susana Pass. Comment
  RSA471477  Sanicula crassicaulis Christopher Davidson 1966-4-8 388 Santa Clara Oak woodland along Moody Road level place. 61 Comment
  RSA442090  Sarcobatus vermiculatus Christopher Davidson 1976-5-22 3976 Inyo On Waucoba Rd, ca. 0.4 mi E of junction with Westguard Rd, toward Eureka Dune. 1174 Comment
  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
  SCFS162  Saxifraga punctata subsp. arguta E. Davidson 1964-7-16 7166423 Nevada Sagehen Basin, Nr small stream ca. 1.25 mi SW of station 1981 Comment
  RSA406829  Schismus barbatus Christopher Davidson 1973-4-1 1800 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  RSA469302  Schismus barbatus Christopher Davidson 1973-4-1 1811 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  RSA483285  Schismus barbatus Christopher Davidson 1973-4-1 1804 Riverside St. Hwy 71/79, appx 7 miles E of jct with Hwy 395 south. 411 Comment
  RSA226635  Schoenoplectus americanus Christopher Davidson, Gerald L. Benny 1971-6-15 1542 Orange Brea Canyon, 0.5 mile N of Central Avenue, along Brea Creek, near Brea Oil Co. wells. Comment
  RSA366049  Schoenoplectus americanus Anstruther Davidson 1890-1 s.n. Los Angeles River. Comment
  RSA365998  Schoenoplectus californicus Anstruther Davidson s.n. Los Angeles Playa Del Rey Comment
  RSA226634  Scirpus acutus var. occidentalis Christopher Davidson, Gerald L. Benny 1971-6-15 1540 Orange Brea Canyon, 0.5 mile N of Central Avenue, along Brea Creek, near Brea Oil Co. wells. Comment
  SCFS563  Scirpus microcarpus E. Davidson 1964-6-29 629642 Nevada Sagehen Basin, Sagehen Creek 0.5 mi W of station 1951 Comment
  RSA425207  Scrophularia californica subsp. floribunda Christopher Davidson 1977-5-18 5615 Riverside Santa Ana Mts, Cleveland National Forest, Bear Springs. 1220 Comment
  UCR143275  Scrophularia californica subsp. floribunda Christopher Davidson, Robert Gustafson, R. F. Thorne, et al 1979-5-22 8134 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
  RSA425190  Scrophularia californica subsp. floribunda Anstruther Davidson 1902-5-1 s.n. Los Angeles Playa del Rey. 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
  UCR143230  Scrophularia desertorum Christopher Davidson 1974-6-23 2350 Inyo White Mountains, On State Hwy 168, c. [two] mi east of Westgard Pass 2096 Comment
  SBBG25230  Scutellaria mexicana Leota Davidson 1965-5-13 158 Riverside Joshua Tree Nat Monument Comment
  SBBG71564  Scutellaria mexicana Anstruther Davidson -Jun-1893 Los Angeles Acton Comment
  RSA445345  Scutellaria siphocampyloides Christopher Davidson 1975-6-4 2642 Shasta Hwy 89, 10 miles N of jct with Hwy 299. 915 Comment
  CHSC796  Scutellaria tuberosa M. Davidson 1929-3-22 Butte Near Paradise. 457 Comment
  RSA445365  Scutellaria tuberosa Anstruther Davidson 1890-3-30 s.n. Los Angeles Ravine near L.A. River Comment
  RSA397626  Sedum lanceolatum Anstruther Davidson 1911-07 2721 Inyo North Lake; Bishop Creek. Comment
  SBBG70359  Sedum spathulifolium Anstruther Davidson -Jul-1893 Los Angeles Switzers Peak Comment
  RSA0012430  Senecio aronicoides Christopher Davidson 1973-5-19 2081 Mendocino E of Willits, on dirt rd. off Hearst rd (Hwy 20). 762 Comment
  UC91479  Senecio astephanus Dr. A. Davidson Los Angeles Comment
Read comments
Nov 3 2006
  RSA472916  Senecio canus Christopher Davidson 1978-9-10 7476 Mono Trail to Lake Mildred, 1-5 miles southwest of Convict Lake, southwest of Highway 395. At foot of steep slopes along Convict Creek. 2591 Comment
  GH11960  Senecio ilicetorum A. Davidson Unknown Sierra Madre range near Los Angeles Comment
Read comments
Feb 2 2013
  RSA0001548  Senecio ilicetorum Anstruther Davidson 1892-6-12 s.n. Los Angeles Pasadena Trail. Wilson Peak. San Gabriel Mountains 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
  RSA473055  Senecio streptanthifolius Christopher Davidson 1975-6-8 2793 Mono 2.2 miles north of Conway Summit (8 miles south of Bridgeport) on Highway 395. 2317 Comment
  SCFS653  Senecio triangularis E. Davidson 1964-7-17 7176417 Nevada Sagehen Basin, 0.5 mi SE of station in sm mdw 1951 Comment
  UC159907  Senecio triangularis A. Davidson, M. D. July 1911 2605 Inyo Andrews Camp , Andrews Camp (Bishop Creek) Comment
  RSA473112  Senecio vulgaris Anstruther Davidson 1917-04 s.n. Los Angeles Alvarado Street, Los Angeles. Comment
  RSA0040261  Senecio vulgaris Anstruther Davidson 1906-6-1 1606 Los Angeles Gadean [or Nadeau] Comment
  POM347494  Senna armata Anstruther Davidson 1910-4-24 2363 Kern Searles. Comment
  UC7711  Sesuvium verrucosum Dr. A. Davidson 1891-1 Los Angeles Comment
  CAS-BOT-BC243578  Setaria parviflora Dr. Davidson 1894-11-1 s.n. Los Angeles Streets of Los Angeles Comment
  RSA483334  Setaria pumila Anstruther Davidson 1908-07 2137 Tulare Lemon Cove. Comment
  RSA447541  Sherardia arvensis Anstruther Davidson 1911-07 2863 Los Angeles Alhambra. Comment
  RSA448542  Sidalcea Anstruther Davidson 1908-07 1718 Tulare Alta Meadows. Sequoia National Park. Comment
  RSA448543  Sidalcea Anstruther Davidson 1908-07 1716 Tulare Alta Meadows. Sequoia National Park. Comment
  RSA448196  Sidalcea malviflora subsp. dolosa Anstruther Davidson 1905-07 2300 San Bernardino Bear Valley. Comment
  RSA492969  Sidalcea malviflora subsp. sparsifolia Christopher Davidson 1975-6-22 2824 Ventura 2 mi S of Chuchupate For. Sta. on rd 8N04 to Frazier Mtn. 1509 Comment
Read comments
Jan 3 2008
  UC18896  Sidalcea malviflora subsp. sparsifolia Dr. A. Davidson 1895-1 Los Angeles Los Angeles 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
  RSA439074  Silene campanulata subsp. greenei Christopher Davidson 1975-6-5 2701 Trinity 4.5 mile south of Scott Mountain summit, on Hwy 3, near bridge over Tangle Blue Creek. 1098 Comment
  RSA477862  Silene gallica Christopher Davidson 1973-4-6 1863 Los Angeles Malibu Canyon, Tapia Park. 243 Comment
  RSA439083  Silene gallica Anstruther Davidson 1918-3-11 3182 Los Angeles Exposition Park. Comment
  RSA477856  Silene gallica Anstruther Davidson 1889-06 s.n. Los Angeles Los Angeles. Comment
  RSA439081B  Silene latifolia Anstruther Davidson 1908-5-1 2143 Los Angeles Lawn, Alhambra Comment
  RSA438830  Silene menziesii subsp. dorrii Anstruther Davidson 1895-7-5 2196 San Bernardino Bear Valley Comment
  RSA439082  Silene noctiflora Anstruther Davidson 1920-1 3336 Los Angeles Alvarodo St. Comment
  POM438847  Silene parishii Anstruther Davidson 1915-8-1 3080 San Bernardino Icehouse Canyon, San Antonio Canyon Comment
  UC120158  Silene parishii Dr. A. Davidson Riverside Mt. San Jacinto Comment
  RSA438874  Silene verecunda subsp. platyota Anstruther Davidson 1905-07 2145 San Bernardino San Bernardino Mountains 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
  RSA431750  Sisymbrium officinale Anstruther Davidson 1891-5-30 s.n. Los Angeles Millards Canyon 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
  RSA366986  Sisyrinchium bellum Christopher Davidson 1977-6-20 6037 Sonoma Ridge Crest Rd., on Sea Ranch property south of Gualala River. 30 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
  SCFS5352  Sitanion hystrix E. Davidson 1964-7-12 071264 -1 Nevada Found 30' North of station on North side of the road. Sagehen Creek Station, 12 miles from Truckee. 1951 Comment
  RSA427309  Solanum elaeagnifolium Anstruther Davidson 1896-1 s.n. Los Angeles San Pedro. 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
  RSA427435  Solanum umbelliferum Anstruther Davidson 1930-7-11 2687 Inyo Andrews Camp, Bishop Creek. Comment
  RSA427442  Solanum umbelliferum Christopher Davidson 1978-6-15 7380 Riverside Santa Rosa Mts. Road from Hwy 74 to Sta Rosa Mt., ca. 2 mi W of junction to Sta Rosa Spgs Campground. 2088 Comment
  RSA427463  Solanum umbelliferum Christopher Davidson 1975-8-30 3220 San Bernardino On rd. 2N10, 1.1 mi. E of jct. with rd. to Clark's Ranch. Santa Ana Canyon Viewpoint. 2355 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
  SBBG51929  Solanum umbelliferum C. Davidson 1975-8-30 3220 San Bernardino Rd 2N10, 3.2 mi E of jct with rd to Clark's Ranch 2354 Comment
  RSA427428  Solanum umbelliferum Christopher Davidson, Robert Gustafson 1975-6-24 2877 Los Angeles Big Tujunga Canyon, ca. 5 miles NE of Sunland on road 2N78, small side canyon. 686 Comment
  RSA427377  Solanum wallacei Anstruther Davidson 1899-06 s.n. Los Angeles Catalina Island Comment
  SD107313  Solanum xanti Christopher Davidson 1975-8-30 3220 San Bernardino on rd 2N10, 3.2 mi E of jct with rd to Clark's Ranch 2353 Comment
  RSA473606  Solidago californica Anstruther Davidson 1889-07 s.n. Los Angeles Glendale. Comment
  RSA473639  Solidago californica Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  SBBG54346  Solidago confinis C. Davidson 1976-9-16 4745 Ventura S side of rd to Mt Pinos summit, ca. 1.1 mi S of parking lot at end of pavement 2400 Comment
  UC160062  Solidago multiradiata A. Davidson, M. D. July 1911 2601 Inyo Andrews Camp , Andrews Camp (Bishop Creek) Comment
  SD107292  Solidago velutina subsp. californica Christopher Davidson 1975-8-30 3229 San Bernardino 5.1 miles east of junction with road to Clark's Ranch. Comment
  SBBG52280  Solidago velutina var. californica C. Davidson 1975-8-30 3229 San Bernardino USFS Rd 2N10, 5.1 mi E of jct with rd (USFS Rd 1N54) to Clark's Ranch 2423 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
  RSA483179  Spartina gracilis Anstruther Davidson 1911-07 2537 Inyo Bishop Creek. 1524 Comment
  RSA0097062  Spergularia Anstruther Davidson 1926-08 s.n. Kern Rosamond, Mojave Desert. Comment
  RSA478036  Spergularia macrotheca Anstruther Davidson 1902-5-1 1884 Los Angeles Ballona Comment
  RSA445038  Sphaeralcea ambigua subsp. rosacea Christopher Davidson 1976-5-22 4002 Inyo On Waucoba Rd., ca. 22.4 miles E of junction with Westgard Rd., toward Eureka Valley. 1723 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
  RSA474563  Sphaeromeria cana Anstruther Davidson 1926-8-1 3630 Inyo South Fork of Bishop Creek. Comment
  RSA455538  Sphenosciadium capitellatum Christopher Davidson, J. A. Churchill 1976-9-16 4743 Ventura On S side of road to Mt. Pinos summit, ca. 1.1 mi S of parking lot at the end of the pavement. 2401 Comment
  RSA472769  Spiraea densiflora Anstruther Davidson 1908-07 s.n. Tulare Waterfall at Marble Crossing. Sequoia Nat. Park. Comment
  RSA382213  Spiranthes porrifolia Anstruther Davidson 1921-7-1 3476 Mariposa Yosemite. Comment
  RSA382205  Spiranthes porrifolia Anstruther Davidson 1911-07 2684 Inyo Bishop. Comment
  UC57074  Spiranthes romanzoffiana Dr. A. Davidson 1896-1 San Bernardino Bear Valley Comment
  RSA483227  Sporobolus airoides Anstruther Davidson 1892-7-3 s.n. Los Angeles Lancaster. Comment
  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
  RSA446613  Stachys albens Christopher Davidson 1978-6-18 7342 San Bernardino Baldwin Lake, 1.3 mile E of Big Bear City 2043 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
  RSA446686  Stachys rigida subsp. quercetorum Christopher Davidson 1977-6-18 5890 Mendocino Piper Ranch, off Mountain View Rd. (N of Pt Arena), 11.7 mi. E of Hwy 1, near Birch Cr., several miles NW of ranch buildings. 305 Comment
  RSA429800  Stanleya elata Christopher Davidson 1976-6-4 4170 Inyo On Waucoba Road, 4.5 miles E of Jct with Westgard Road. Wacoba Canyon, 1372 Comment
  RSA429806  Stanleya pinnata Anstruther Davidson 1890-1 S.N. Ventura [Piru?] Creek Comment
  SBBG51623  Stanleya pinnata C. Davidson 1976-6-5 4220 Inyo Eureka Dunes, S end of Eureka Valley 853 Comment
  HSC46479  Stanleya pinnata subsp. pinnata Christopher Davidson 1976-6-8 4288 Inyo Waucoba-Eureka Valley Rd., 1.6 mi. E of Saline Valley junction, small dirt road to the N, site overlooking Little Cowhorn Valley 2226 Comment
  RSA478120  Stellaria borealis subsp. sitchana Anstruther Davidson 1908-07 1713 Tulare Sequoia National Park [county not specified]. Comment
  SCFS5113  Stellaria longipes E. D. Davidson 1964-6-22 062264 -14 Nevada Found 30 feet south of observing tank by the stream; 12 miles north of Truckee, California. Sagehen Creek Exp. Station. 1951 Comment
  RSA478126  Stellaria nitens Anstruther Davidson 1890-5-1 s.n. Los Angeles Near Burbank Comment
  RSA457810  Stillingia paucidentata Christopher Davidson 1976-5-21 3968 Inyo ca. 5 miles N of Little Lake on St. Hwy 395. 1066 Comment
  RSA457811  Stillingia paucidentata Anstruther Davidson 1910-4-2 2402 Inyo Deserts. Comment
  RSA0063859  Stillingia spinulosa Anstruther Davidson 1929-1 s.n Imperial Colorado Desert. [County not specified.] Comment
  HSC46433  Stipa lettermanii Christopher Davidson, R. F. Thorne 1976-8-15 4687 San Bernardino San Bernardino Mts., Upper South Fork Meadow, San Gorgonio Wilderness Area 2439 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
  RSA429475  Streptanthella longirostris Christopher Davidson 1973-3-9 1672 Inyo Death Valley National Monument, 1 mile SE of Ashford jct. 114 Comment
  RSA429482  Streptanthella longirostris Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  RSA429477  Streptanthella longirostris Christopher Davidson 1976-5-22 4005 Inyo on Waucoba Rd., ca. 22.4 miles E of junction with Westgard Rd., toward Eureka Valley. 1722 Comment
  RSA428425  Streptanthus Anstruther Davidson 1908-07 1850 Tulare Sequoia National Park. 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
  RSA429516  Streptanthus bernardinus Anstruther Davidson 1901-07 2306 San Bernardino Bear Valley, San Bernardino Mountains. Comment
  RSA383487  Stuckenia pectinata Anstruther Davidson 1918 Los Angeles E. Los Angeles. Comment
  RSA393808  Stylocline gnaphaloides Anstruther Davidson 1923-1 s.n. Riverside Idyllwild Comment
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Oct 22 2011
  RSA393809A  Stylocline gnaphaloides Anstruther Davidson 1929-3-1 s.n. San Diego Teleprceple ? Canyon Comment
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Sep 2 2016
  RSA393792  Stylocline gnaphaloides Anstruther Davidson 1894-06 s.n. Los Angeles Los Angeles Comment
  RSA758777  Suaeda esteroa Anstruther Davidson 1907-9-1 1778 Orange Newport Comment
  RSA438623  Suaeda moquinii Anstruther Davidson 1902-06 2944 Los Angeles (Hauser)? Comment
  SD107289  Swallenia alexandrae Christopher Davidson 1976-5-22 4015 Inyo Eureka Dune, at the south end of Eureka Valley 853 Comment
  RSA428868  Symphoricarpos longiflorus Christopher Davidson 1977-5-29 5848 San Bernardino Caruthers Canyon, south end of New York Mountains. 1768 Comment
  RSA428917  Symphoricarpos rotundifolius var. parishii Christopher Davidson 1975-8-30 3225 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
  UC29853  Symphyotrichum ascendens Dr. A. Davidson 1897-1-1 San Bernardino Bear Valley Comment
  UC29868  Symphyotrichum defoliatum Dr. A. Davidson 1895-1-1 Los Angeles Antelope Valley Antelope Valley Comment
  UC159916  Symphyotrichum spathulatum A. Davidson, M. D. Jul 1911 2611 Inyo Bishop Creek Comment
  RSA474576  Taraxacum californicum Anstruther Davidson 1895-4-12 s.n. San Bernardino Bear Valley Comment
  RSA390814  Tauschia arguta Christopher Davidson 1973-4-1 1833 Riverside Jct. Vail Lake Marina and Hwy. 71/79, about 3 miles west of Aguanga. 426 Comment
  RSA392938  Tauschia arguta Christopher Davidson 1973-4-1 1823 Riverside Jct. Vail Lake Marina and Hwy. 71/79, about 3 miles west of Aguanga. 426 Comment
  RSA455566  Tauschia arguta Christopher Davidson 1973-4-1 1820 Riverside Jct. Vail Lake Marina and Hwy. 71/79, about 3 miles west of Aguanga. 426 Comment
  RSA466943  Tauschia arguta Christopher Davidson 1973-4-1 1817 Riverside Jct. Vail Lake Marina and Hwy. 71/79, about 3 miles west of Aguanga. 426 Comment
  SBBG52719  Tauschia arguta C. Davidson 1977-5-18 5617 Orange Bear Springs, Santa Ana Mtns 1219 Comment
  RSA455484  Tauschia parishii Christopher Davidson 1976-8-14 4512 San Bernardino Fish Creek Meadows, at the end of Forest Service Road 1N05, S of Heart Bar State Park 2439 Comment
  SBBG59673  Tauschia parishii Anstruther Davidson -Jul-1893 Los Angeles Wilson's Peak Comment
  RSA474626  Tetradymia comosa Anstruther Davidson 1916-07 s.n. Los Angeles Crescenta. Comment
  RSA399554  Thalictrum fendleri Christopher Davidson, Robert F. Thorne 1976-8-14 4507 San Bernardino Fish Cr., on Forest Service Rd 1N05, S of Heart Bar St. Park. 1982 Comment
  RSA399555  Thalictrum fendleri Christopher Davidson 1977-5-18 5627 Riverside Santa Ana Mts, Cleveland National Forest, Bear Springs. 1220 Comment
  RSA399606  Thalictrum sparsiflorum Christopher Davidson 1975-8-16 3110 San Bernardino E end of Bluff Lake on drying grassland margins of small forest runnoff channel. 2317 Comment
  RSA399598  Thalictrum sparsiflorum Anstruther Davidson 1911-07 2669 Inyo Anderson Camp, Bishop Creek Comment
  RSA449634  Thamnosma montana Christopher Davidson 1973-4-19 1958 San Bernardino Joshua Tree National Monument, ca. 5 miles East of Split Rock, ca. 3 miles S of Park entrance 1189 Comment
  RSA451308  Thamnosma montana Christopher Davidson 1976-3-27 3900 San Diego State Hwy 78, 10 mi E of Julian toward Anza-Borego State Park. 785 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
  RSA797191  Thelypodium laciniatum Christopher Davidson 1976-6-7 4256 Mono Fish Slough Petroglyph site, north of Bishop on Five Bridges Rd. 1341 Comment
  RSA349382  Thermopsis californica var. argentata Christopher Davidson 1975-6-22 2862 Ventura 1.5 miles beyond Lookout on Frazier Mountan on road 8N04B 2317 Comment
  RSA430256  Thysanocarpus curvipes Anstruther Davidson 1890-4-1 1852 Los Angeles [no locality information provided] Comment
  SBBG45226  Thysanocarpus curvipes Leota Davidson 1966-5-3 416 Placer mtn side of Eldorado County line bridge, near Auburn Comment
  RSA428322B  Thysanocarpus laciniatus var. laciniatus Christopher Davidson 1979-5-17 8024 Inyo Panamint Mts. Hanaupah Canyon. 7.5 mi west of junction up Hanaupah Canyon wash. 1006 Comment
  POM368532  Tiquilia nuttallii Christopher Davidson 1973-3-9 1666 Inyo Junction of East- and Westside Rds. (40 miles S of Furnace Cr Inn) on St 178, near Scotty s Canyon & Ashford Milll Ruins. 30 Comment
  UC78322  Tiquilia nuttallii Anstruther Davidson Unknown Comment
  HSC82760  Tiquilia palmeri Christopher Davidson 1979-4-4 7685 Riverside Orocopia Mtns., lower end of Box Canyon on Box Canyon Rd., 4.4 mi. E of Mecca 213 Comment
  POM368521  Tiquilia palmeri Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-28 7783 Imperial Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob 79 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
  SBBG25192  Tiquilia plicata L. Davidson 1966-4-3 230 Riverside below Washington overpass, 55 mi W of Indio on Hwy 10 Comment
  RSA0002362  Tissa leucantha var. glabra Anstruther Davidson 1926-05 3618 Kern Muroc. Comment
  RSA568510  Tofieldia glutinosa subsp. occidentalis Anstruther Davidson 1908-07 1908 Tulare Sequoia National Park Comment
  RSA378163  Tofieldia glutinosa subsp. occidentalis Anstruther Davidson 1927-07 s.n. Unknown Feather River [Plumas, Butte, Yuba, or Sutter County] Comment
  RSA475366  Trichoptilium incisum Christopher Davidson 1979-4-4 7732 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  SBBG45773  Trichostema lanceolatum Leota Davidson 1965-10-9 201 Kern Hwy 466, San Joaquin Valley near Wasco Comment
  RSA440733  Trichostema parishii Christopher Davidson 1978-6-15 7383 Riverside Santa Rosa Mts. Road from Hwy 74 to Sta Rosa Mt., ca. 2 mi W of junction to Sta Rosa Spgs Campground. 2088 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
  POM349162  Trifolium albopurpureum Christopher Davidson 1973-4-7 1940 Ventura 0.5 mile south of Apache Canyon on [State] Hwy 33, overlooking the Cuyama River. 716 Comment
  POM349485  Trifolium bifidum var. decipiens Anstruther Davidson 1892-05 s.n. Los Angeles East Los Angeles Comment
  POM349406  Trifolium depauperatum var. truncatum Anstruther Davidson 1892-05 s.n. Los Angeles Near reservoir, Elypsian [unclear] park. [data label is generally hard to read] Comment
  POM349115  Trifolium gracilentum Anstruther Davidson 1893-07 s.n. Los Angeles Rock Creek Comment
  SCFS5220  Trifolium longipes E. Davidson 1964-7-17 071764 -3 Nevada Found 50 feet east of station 1951 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
  POM349591  Trifolium variegatum Christopher Davidson 1976-6-26 4426 San Bernardino Green Valley Road, 1.4 miles from junction with Highway 18. 1966 Comment
  POM349552  Trifolium willdenovii Anstruther Davidson 1890-06 s.n. Los Angeles Riverside. Comment
  POM349609  Trifolium wormskioldii Christopher Davidson 1977-6-19 5954 Mendocino Havens Neck, small peninsula on coast north of Anchor Bay. Comment
  POM349553  Trifolium wormskioldii Anstruther Davidson s.n. Los Angeles Los Angeles. Comment
  CAS-BOT-BC519413  Trillium chloropetalum var. giganteum J. F. Davidson 1943-4-25 314 Alameda Berkeley, Strawberry Canyon Comment
  RSA439389  Triodanis biflora Anstruther Davidson 2213 San Bernardino San Bernardino Mountains. 7 Oaks meadow. Comment
  SEINET10459930  Triodanis perfoliata Davidson 1910-5-1 Davidson s.n. Los Angeles SIERRA MADRE Comment
  SCFS710  Triteleia hyacinthina E. Davidson 1964-7-15 7156420 Nevada Sagehen Basin, 1 mi W of station from station by the rd 1951 Comment
  RSA233033  Triteleia ixioides subsp. ixioides Christopher Davidson 1965-7-18 199 Santa Clara Old La Honda Road 61 Comment
  SBBG45679  Triteleia ixioides subsp. scabra Leota Davidson 1966-5-3 2564 a Placer St Hwy 49, 4 mi SW of Auburn Comment
  RSA378042B  Triteleia laxa Christopher Davidson 1977-6-20 6007 Sonoma Dry Cr. Rd., 8.6 mi. W of Geyserville 91 Comment
  RSA475412  Trixis californica Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. 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
  RSA446354  Umbellularia californica Christopher Davidson 1977-6-19 5988 Mendocino 2.2 miles E of Gualala on county rd 502. Bridge crossing Gualala River. 15 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
  RSA456042  Vaccaria hispanica Anstruther Davidson 1908-08 1886 Los Angeles Sierra Madre. [...]tch L[...]a St. Comment
  RSA471164  Vaccinium ovatum Anstruther Davidson 1927-5-28 s.n. Del Norte Redwood Highway. Comment
  RSA471167  Vaccinium ovatum Christopher Davidson 1973-5-29 2213 Mendocino W of Leggett on St Hwy 208. 457 Comment
  RSA433750  Valeriana capitata subsp. californica Christopher Davidson 1974-7-26 2511 El Dorado Echo Summit on St Hwy 50. 2251 Comment
  RSA427264  Verbascum virgatum Anstruther Davidson 1890-04 s.n. Los Angeles El Monte. Comment
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Oct 3 2010
  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
  RSA411743  Verbena bracteata Anstruther Davidson 1907-9-1 1773 Orange Newport Comment
  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
  RSA452254  Verbesina encelioides subsp. exauriculata Anstruther Davidson 1890-1 s.n. Los Angeles El Monte. Comment
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Mar 31 2015
  RSA452257  Verbesina encelioides subsp. exauriculata Anstruther Davidson 1918-1 s.n. Los Angeles Van Nuys Comment
  RSA426446  Veronica americana Christopher Davidson 1976-8-14 4525 San Bernardino Fish Cr., on Forest Service Rd 1N05, S of Heart Bar St. Park. 1982 Comment
  RSA426491  Veronica persica Anstruther Davidson s.n. Los Angeles [Unspecified] 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
  POM349882  Vicia americana Anstruther Davidson 1925-5-1 s.n. San Diego Laguna Mts. Comment
  POM349903  Vicia americana var. americana Anstruther Davidson 1890-05 s.n. Los Angeles Glendale. Comment
  RSA398006  Vicia hirsuta Christopher Davidson 1977-6-19 6001 Mendocino 2.2 miles east of Gualala on County Road 502; bridge over Gualala River. 15 Comment
  RSA397984  Vicia ludoviciana subsp. ludoviciana Anstruther Davidson 1890-06 s.n. Los Angeles Glendale. Comment
  RSA442024  Viguiera multiflora var. nevadensis Christopher Davidson 1976-6-8 4290 Inyo White Mountains, On Westgard Road., 7 mi N of junction with Waucoba Road. (2.2 mi past Toll House) 2058 Comment
  RSA424292  Viola adunca Anstruther Davidson 1921-5-1 s.n. San Bernardino Bear Valey. Comment
  RSA402186  Viola douglasii Anstruther Davidson 1901-07 2271 San Bernardino Bear Valley, San Bernardino Mountains. Comment
  RSA402194  Viola douglasii Anstruther Davidson 1922-04 s.n. San Diego San Julian 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
  RSA424306  Viola nephrophylla Anstruther Davidson 1925-05 s.n. San Diego Laguna Mountains Comment
  RSA412739  Viola purpurea subsp. integrifolia Christopher Davidson 1975-6-7 2728 Lassen 2.1 mi W of Westwood on Hwy 36. 1555 Comment
  RSA424287B  Viola purpurea subsp. mohavensis Anstruther Davidson 1911-07 2759 Inyo Andrews Camp. Bishop Creek [Now Bishop]. Comment
  RSA424293  Viola purpurea subsp. mohavensis Anstruther Davidson 1908-06 s.n. Los Angeles Big Rock Creek. 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
  RSA412760  Viola purpurea subsp. xerophyta Christopher Davidson 1978-6-24 7371 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
  RSA412784  Viola sempervirens Christopher Davidson 1977-6-20 6038 Sonoma Ridge Crest Rd., on Sea Ranch property south of Gualala River. 30 Comment
  RSA412791  Viola sheltonii Christopher Davidson 1977-5-18 5610 Orange Cleveland National Forest; Santiago Peak (on Orange-Riverside Co. line) 1707 Comment
  RSA412785  Viola tricolor Anstruther Davidson 2251 San Bernardino Seven Oaks, San Bernardino Mtns. Comment
  RSA390391  Vitis californica Christopher Davidson 1973-5-22 2090 Shasta Along Hwy 299 ca 15 mi E of Redding, near Little Cow Cr. 396 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
  RSA0121960  Vitis girdiana Christopher Davidson, Alan Romspert 1979-5-16 7950 Inyo Panamint Mountains, Johnson Canyon. Vicinity of lower spring at the end of the road. 20 miles SW of Badwater. 1311 Comment
  SEINET10691526  Vitis girdiana Christopher Davidson 1979-5-16 Davidson 7950 Inyo Panamint Mts. Johnson Canyon. 20 mi SW of Badwater, lower spring at the end of the road. Seepage just above the spring. 1189 Comment
  RSA415984  Vulpia octoflora Anstruther Davidson 1890-04 s.n. Los Angeles [no locality information provided] Comment
  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
  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
  RSA471337  Xylococcus bicolor Anstruther Davidson 1929-2-10 s.n. San Diego Near San Diego. Comment
  POM362048  Xylorhiza tortifolia Christopher Davidson, Alan Romspert 1979-5-16 7904 Inyo Panamint Mts. Johnson Canyon. Vicinity of lower spring at the end of the road. 20 miles SW of Badwater 1189 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
  SBBG60819  Xylorhiza tortifolia var. tortifolia Anstruther Davidson 1893-1 Los Angeles Lancaster Comment
  RSA470463  Yabea microcarpa Anstruther Davidson s.n. Los Angeles Devil's Gate. Comment
  RSA378359  Yucca whipplei var. whipplei Christopher Davidson 1975-6-29 2917 Kern San Emigdio Canyon, following old Mil Potrero Road, along San Emigdio Creek, Los Padres National Forest. Los Padres National Forest. 1677 Comment
  RSA350992  Zauschneria arizonica Anstruther Davidson 1900-08 s.n. Unknown Mojave Desert 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
  POM171089  Zygophyllum fabago Anstruther Davidson 1930-06 s.n. Kern Mojave Desert. A few miles E of Rosamond. Comment



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