Search Results — 2000 specimen records retrieved (1885 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 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
  RSA519128  Abies concolor F. C. Vasek 1977-11-25 771125 -5 Riverside San Jacinto Mountains, area around Boulder Basin Campground, just below Black Mountain Look Out. Comment
  SD132532  Abies concolor F. C. Vasek 1976-7-4 760704 3 Riverside San Jacinto Mountains, Pine Cove 1830 Comment
  UCR26356  Abies concolor A. C. Sanders, J. A. Harpel 1981-8-26 2336 Riverside Santa Rosa Mtns., Cedar Spring 2250 Comment
  UCSB12  Abies concolor Bobkowski, Jr., Vincent 1960-5-14 Riverside At Black Mountain Camp, San Bernardino National Forest Comment
  NY341988  Abronia aurita S. B. Parish 1896-4-4 4138 Riverside Palm Springs (Agua Caliente) desert base of San Jacinto Mountain 152.4 Comment
  UC1136567  Abronia villosa H. S. Yates 1937-6-27 6719 Riverside s end of Hemet Valley; San Jacinto Comment
  POM729  Abronia villosa var. aurita I. M. Johnston 1917-4-4 s.n. Riverside Near Palm Springs. Comment
  RSA68330  Abronia villosa var. aurita G. R. Campbell 1951-5-30 16148 Riverside Pine Meadow Ranch, SE of Kenworthy 1433 Comment
  UCR101523  Abronia villosa var. aurita D. L. Banks, Lauren Raz 1996-11-5 1183 Riverside NW Palomar Mtns., Agua Tibia Mountains, Pechanga Indian Reservation, SE of San Gabriel Church; along main road in the reservation, c. 0.2 mi. east of the church, across from the local cemetery. 378 Comment
  UCR196383  Abronia villosa var. villosa Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Pesach Lubinsky 2005-2-10 1420 Riverside Northeastern Colorado Desert, along Palen Pass Road, near Hwy 177 170 Comment
  CLARK-A1528-457  Acacia greggii Charlotte Stocks 1964-8-15 Riverside San Jacinto Mountains 914 Comment
  JEPS12539  Acamptopappus sphaerocephalus var. sphaerocephalus H. M. Hall and W. L. Jepson May 17 1901-Jun 1 1901 1833 Riverside label heading: Journey of Jepson & Hall from Riverside to Palm Canyon (and return to Van Deventers); Van Deventers Flat Comment
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Jul 5 2010
  RSA1333  Acer macrophyllum B. D. Stark 1930-2-21 1474 Riverside Hidden Canyon, near Corona, Santa Ana Mts. Comment
  RSA221045  Acer macrophyllum E. W. Lathrop 1968-5-8 6427 Riverside 3 miles SW of Corona, Hagador Canyon, Cleveland Nat'l Forest, Trabuco District. 274 Comment
  CAS-BOT-BC174017  Achnatherum coronatum A. C. Sanders; T. B. Salvato; Kelly Volansky 2006-5-28 32649 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  RSA182335  Achnatherum speciosum J. D. Olmsted 1962-5-1 3433 Riverside W slope below Falls Plateau, Snow Canyon N of Mt. San Jacinto. 793 Comment
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Nov 24 2011
  RSA515306  Achyrachaena mollis Jeri Hirshberg 1989-4-11 s.n. Riverside S of Town of Murrieta, SW of Mesa del Burro. 610 Comment
  SD134541  Achyrachaena mollis Craig Reiser 1989-4-4 Riverside Southern flank of Amberhill [Alberhill] in western part of county Comment
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Jul 11 2010
  JOTR34088  Acmispon glaber var. brevialatus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2936 Riverside Joshua Tree National Park. Little San Bernardino Mountains: North side of Quail Mountain; steep bouldery slopes between drainages Comment
  JOTR34168  Acmispon glaber var. brevialatus Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 125 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Pinyon Well; Riparian area near small series of active springs and seeps (Stop 2) 1182 Comment
  UCD104243  Acmispon micranthus Nancy Ryan Zabriskie; Walter Zabriskie 1973-4-3 609 a Riverside Top of Poorwill Canyon, Andreas Canyon area, east slope San Jacinto Mtns. 426 Comment
  SBBG51532  Acmispon strigosus N. R. Zabriskie 1970-5-3 297 Riverside Strawberry Firebreak, S of S end of Marion Ridge Rd, Pine Cove, NW of Idyllwild 1938 Comment
  CAS-BOT-BC30915  Adenophyllum porophylloides R. S. Ferris; Rimo Bacigalupi 1958-3-19 13234 Riverside Gully ca. 0.5 mi. S of Styx siding near Midland, Rice to Blythe Road Comment
  JOTR32125  Adenophyllum porophylloides La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade` 2011-4-26 2281 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; sandy flats at base of mountains and northern edge of valley (Stop 4) 996 Comment
  UCR110975  Adenostoma fasciculatum George K. Helmkamp 1998-6-27 4087 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  POM49866  Adenostoma fasciculatum var. fasciculatum Philip A. Munz, Johnson 1924-7-29 8860 Riverside Above Poppet Flat, San Jacinto Mts. 1220 Comment
  CLARK-A1528-3973  Adenostoma sparsifolium John C. Roos 1946-8-27 2787 Riverside Santa Rosa Mountains 1920 Comment
  LA207890  Adenostoma sparsifolium Elizabeth McClintock; 1936-7-29 sn Riverside Pines to Palms Hwy Comment
  RSA20025  Adenostoma sparsifolium I. W. Clokey, E. G. Anderson 1935-8-21 6674 Riverside West of Keen Camp P. O. 1200 Comment
  RSA687684  Adiantum capillus-veneris Marjorie D. Clary 1932-6-5 1954 Riverside Eagle Canyon, W side Colo. D. 457 Comment
  SBBG210  Adiantum capillus-veneris H. and M. Dearing 1942-1-30 4790 Riverside Palm Cyn near Palm Springs Comment
  RSA696464  Agave deserti subsp. deserti J. Vlahos 1934-6-3 s.n. Riverside Up grade to San Jacinto from Palm Springs Comment
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Nov 19 2011
  UCR248025  Ageratina adenophora O. F. Clarke 2010-1 s.n. Riverside Peninsular Range, Riverside, UCR Botanic Garden 412 Comment
  UCR100158  Agoseris Scott D. White 1994-4-23 2032 Riverside San Bernardino Mtns, Millard Canyon, c. 8 air mi. north of Cabazon. USFS Rd 2S05.2, c. 0.3 mi. south of junction of 2S05.2 & 2S05B; c. 1.7 mi. south of Deer Spring & 1 mi. SW of Bear Wallow Spring 1311 Comment
  UCR44418  Agoseris retrorsa A. C. Sanders 1986-6-1 06562 Riverside San Jacinto Mountains, Trail toward Spitler Peak from 'Hurkey Creek Camp to Bonita Vista' [=Apple Canyon] Road 1829 Comment
  POM1145  Agrostis idahoensis H. M. Hall 1897-8-10 784 Riverside Tahquitz Valley. 2652 Comment
  JEPS61256  Allionia incarnata W. L. Jepson 1901-5-22 1406 Riverside Mount San Jacinto, Palm Canyon Palm Canyon; Mount San Jacinto, Palm Canyon 914 Comment
  UCR74356  Allionia incarnata Theo Glenn 1991-5-2 91- 33 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  UCR9390  Allium fimbriatum var. fimbriatum D. H. Wilken 1966-3-26 769 Riverside Sonoran (Colorado) Desert/ San Bernardino Mtns., East ridge along Whitewater Canyon 610 Comment
  SD130878  Allium fimbriatum var. munzii Craig Reiser 1991-4-25 Riverside Gavilan Plateau, south edge of Harford Springs Park, south of Ida Leona Road, east of Gavilan Road. Rocky opening in chaparral. (IPB 2/08) Comment
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Apr 2 2011
  CAS-BOT-BC131992  Allium haematochiton J. C. Roos 1966-3-24 s.n. Riverside Bundy Canyon Road east of Elsinore Comment
  JEPS61528  Allium haematochiton W. L. Jepson 1927-4-11 11719 Riverside near Banning (Beaumont); Beaumont Comment
  POM184171  Allium haematochiton Philip A. Munz 1932-3-24 12026 Riverside North of Lake Elsinore. 305 Comment
  UCR133998  Allium haematochiton Denise Woodard 1998-3-17 s.n. Riverside Murrieta, 1 mile SE of intersection of I-215 and Clinton Keith Rd., proposed Adobe Springs park site 396 Comment
  RSA706306  Allium munzii Valentin Arvizu 2005-4-20 1 Riverside Temescal Valley, mouth of Indian Canyon, 15 fwy x Indian Truck Trail., CNDDB EO# 8 (probable Type Locality for Allium munzii), Sycamore Creek housing development site. 381 Comment
  POM158461  Allium peninsulare var. peninsulare Philip A. Munz 1927-5-20 10823 Riverside 10 miles S. of Hemet. Comment
  UC52844  Allophyllum gilioides subsp. violaceum H. M. Hall 1901-7-17 2450 Riverside Tauquitz Valley San Jacinto Mts., Tauquitz Valley 2133 Comment
  UCR68844  Allophyllum glutinosum Steve Boyd, T. S. Ross 1990-5-11 4623 Riverside Agua Tibia Mountains, Cleveland National Forest, base of Agua Tibia Mtn, east of Dripping Springs campground, south of Hwy 79 671 Comment
  POM47147  Alnus rhombifolia P. A. Munz, I. M. Johnston 1924-7-29 8868 Riverside San Gorgonio Canyon, North of Banning 1067 Comment
  UCR166723  Amaranthus albus Scott D. White, Jennifer H. Jones 2005-4-12 10863 Riverside Coachella Valley, Indio area, vacant land NE of the I-10 Freeway interchange at Jefferson 18 Comment
  JEPS54313  Amaranthus palmeri T. S. Brandegee 1901-4-3 Riverside Salton Creek Colorado Desert Comment
  RSA23238  Ambrosia dumosa Ernest Braunton 1940-03 2043 Riverside Fan Canyon. 20 miles NE of Indio. Comment
  RSA457783  Ambrosia dumosa Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2205 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  RSA777416  Ambrosia dumosa Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 784 Riverside Mecca Hills, just south of Shaver's Well. 305 Comment
  UCD128795  Ambrosia dumosa Geoffrey Levin 1975-4-5 475 Riverside Box Canyon Wash on State Highway 195, 18.3 mi. NE of Jcn. Of 195 and 111 (Mecca). Between Mecca Hills and Orocopia Mountains. 30 Comment
  UCR109581  Ambrosia dumosa R. D. Goeden, Don W. Ricker 1970-5-14 s.n. Riverside Coachella Valley, Palm Springs, SW side of Hwy 111, 1.3 mi. SE of Overture Drive, at foot of San Jacinto Mtns. near Desert Angel peak 274 Comment
  SEINET10725765  Ambrosia dumosa David B. Dunn, Harold L. Lint 1948-1-25 Dunn 3612 Riverside Pushawalla Canyon, Indio Hills of the Colorado desert; west of Indio. Comment
  RSA33662  Ambrosia psilostachya N. C. Cooper 1943-10-9 963 Riverside Hemet. 305 Comment
  RSA735229  Ambrosia psilostachya Scott D. White, Angelia Carey 2004-6-4 10478 -B Riverside San Jacinto Mountain foothills: San Jacinto River wash and adjacent alluv. benches, near Indian Creek confluence. 503 Comment
  UCR171902  Ambrosia pumila John F. Green 2006-4-27 s.n. Riverside Peninsular Ranges, Temecula, plot centered on San Diego Aqueduct corridor between Nicolas Road and Via Norte 381 Comment
  CAS-BOT-BC273007  Ambrosia salsola K. Larson 1976-6-9 2015 Riverside ~25 mi E of Indio Comment
  POM28421  Amorpha fruticosa E. E. Schellenger 1901-07 7565 Riverside Toro Mtn. Comment
  UCR209168  Amorpha fruticosa var. occidentalis A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37159 Riverside Peninsular Range, Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  CAS-BOT-BC213972  Amsinckia John H. Thomas 1957-3-29 6515 Riverside Between Banning and Cabazon, about 2 miles east of Banning near railroad tracks 609 Comment
  HSC84285  Amsinckia intermedia J. Nevin 1987-4-9 37 Riverside Box Springs Mtn. Park 366 Comment
  POM48531  Amsinckia intermedia F. M. Reed 1925-3-15 4934 Riverside Chicago Ave, Riverside 274 Comment
  SD186123  Amsinckia intermedia A. C. Sanders, T. B. Salvato and Mitch Provance 2003-4-4 25834 Riverside Jurupa Mountains, hill southwest of the Jensen Quarry, northwest of Sunnyslope. 366 Comment
  UC1537695  Amsinckia intermedia Gordon H. True Jr. 1936-2-22 10 Riverside Mockingbird Canyon 457 Comment
  RSA0089923  Amsinckia menziesii var. menziesii Carol Shideler 1981-4-11 13 Riverside Lake Mathews, El Cerrito, east on Cajalco Road, 6 miles east of Corona, 0.5 mile west of Pacific Clay Comp., mil. 52086.2. Comment
  RSA0125286  Amsinckia tessellata Duncan S. Bell 2016-3-4 8791 Riverside Orocopia Mountains; northwestern corner of range; collecting in the Orocopia Mountains Wilderness area in an unnamed canyon approximately 3.75 air miles northwest of the summit of the range. 738 Comment
  UCR72187  Amsinckia tessellata Theo Glenn 1992-3-31 92 9 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  RSA757798  Amsinckia tessellata var. tessellata LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4289 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  UC68710  Amsinckia tessellata var. tessellata H. M. Hall Apr. 1905 5860 Riverside Canyon Springs; Colorado Desert Comment
  UCR281914  Amsonia tomentosa var. brevifolia A. C. Sanders, Jim Malusa 2017-9-19 43341 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, canyon 4.65 km SW (211 deg. ) of Tabaseca Tank 744 Comment
  UCR163337  Anagallis arvensis T. B. Salvato, Kelly Volansky 2003-3-27 128 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  RSA560372  Anagallis arvensis Steve Boyd 1992-4-14 6810 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of Oak Flats area along Bluewater Tributary from Verdugo Tributary S to crest of ridge W side Bluewater Canyon. 732 Comment
  RSA336208  Anagallis minima Robert F. Thorne, M. Z. Thorne, W. Wisura 1978-5-21 51984 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  UCR89389  Andropogon glomeratus A. C. Sanders, O. F. Clarke, P. J. MacKay, S. D. White, C. L. Sanders 1994-11-27 15873 Riverside San Jacinto Mtns/Colorado Desert, Palm Canyon, from Hermit's Bench upstream to just beyond the confluence with East Fork 300 Comment
  RSA628492  Anemopsis californica A. C. Sanders, K. C. Rose 1999-6-18 22808 Riverside Skinner/Domenigoni area: French Valley, E side of Washington Ave. near Rawson Rd. 451 Comment
  JOTR31993  Anisocoma acaulis La Doux, Tasha, T. Herskovits, M. Wheeler, D. Shade 2011-4-19 2223 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Queen Valley; Pine City area along Old Queen Valley Historic Road (Stop 1) Comment
  POM13084  Antennaria rosea E. C. Jaeger 1921-6-22 s.n. Riverside Long Valley. San Jacinto Mts. 2439 Comment
  SEINET2028544 Image available Antennaria speciosa H. M. Hall 1901-6-1 2401 Riverside San Jacinto Mountains 2830 Comment
  UCR104174  Anthemis cotula Scott D. White 1997-5-25 5242 B Riverside Perris Basin, Winchester area, roadside of Simpson Ave. <1 mi. west of intersection with Winchester Rd. 445 Comment
  SEINET9323908  Antheropeas lanosum Unknown 1976-5-4 Riverside Red Mountain Road. Comment
  JEPS5297  Antirrhinum coulterianum W. L. Jepson May 17 1901-Jun 1 1901 1256 Riverside near upper San Jacinto Valley (San Jacinto River); San Jacinto River Comment
  RSA395356  Antirrhinum coulterianum Steve D. Boyd 1986-4-22 1742 Riverside Temescal Canyon: Stable alluvial benches of Indian wash just south of I-15. Comment
  SEINET3158871  Antirrhinum coulterianum D. M. Jackson, R. W. Spellenberg 1972-5-19 193 Riverside 3.4 mi SW of Anza and Cary Rd. and California State Hwy 71 intersection on recently disturbed area Comment
  UC64222  Antirrhinum coulterianum H. M. Hall 1900-1 579 Riverside vicinity Riverside (Gavilan Mts); Gavilan Mts., Riverside 457 Comment
  UCR174177  Antirrhinum coulterianum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32596 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UCR177644  Antirrhinum coulterianum S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  CLARK-A1528-4169  Antirrhinum nuttallianum John C. Roos 1966-4-29 Riverside Comment
  RSA585509  Antirrhinum nuttallianum subsp. nuttallianum D. L. Banks, Steve D. Boyd 1995-5-9 370 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  SD28023  Aphyllon cooperi subsp. latilobum Carl B. Wolf 1932-4-29 3113 Riverside Blythe, Rice Road; 4.0 miles south of Browns Well. 213 Comment
  RSA0126309  Arabis glaucovalvula P. A. Munz 1949-4-11 13019 Riverside Near Conejo Well, north base of Eagle Mts., Mohave Desert. 914 Comment
  POM307295  Arabis holboellii var. retrofracta Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2157 Riverside Santa Rosa Mountains. Comment
  RSA207633  Arceuthobium campylopodum James Henrickson 1969-10-25 4258 Riverside 9 mi. SE of Idyllwild near Hemit Reservoir. 1372 Comment
  UCR96264  Arceuthobium campylopodum Scott D. White 1996-8-1 4451 Riverside San Jacinto Mountains, Idyllwild area north of Isomata along USFS Road 5S24.1 1646 Comment
  RSA629144  Arctostaphylos Jon E. Keeley 1992-7-16 16636 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  RSA629163  Arctostaphylos Jon E. Keeley 1992-7-17 16800 Riverside Road to Thomas Mountain (5S15), 6.0 km north of Toolbox Spring. 1790 Comment
  RSA629439  Arctostaphylos glandulosa Jon E. Keeley 1992-7-16 16579 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  POM250403  Arctostaphylos glandulosa subsp. adamsii I. W. Clokey, E. G. Anderson 1935-4-16 6788 Riverside Hemet. 900 Comment
  RSA629346  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-11-11 22547 Riverside Hwy 74, 25 km east of Hwy 79 Junction in Hemit. 1220 Comment
  RSA629386  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-4-17 15089 Riverside End of Woodchuch Rd., Woodchuck Resort. 2 km south of Hwy 79 (Vail Lake Quadrangle) Comment
  RSA629408  Arctostaphylos glandulosa subsp. leucophylla Allen Massihi, Jon E. Keeley, Robert Goar 1992-8-11 19497 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd. Below large boulders, southern Santa Ana Mtns. 850 Comment
  POM254925  Arctostaphylos glandulosa subsp. zacaensis W. Pequegnat 1940-4-18 s.n. Riverside Sierra Peak, Santa Ana Mts. Comment
  RSA631773  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16546 Riverside Red Mountain Road, 9.5-10.3 km east of R3. 1050 Comment
  RSA631775  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19273 Riverside Highway 79, 5 km west of Radec. 580 Comment
  SD60439  Arctostaphylos glauca Reid Moran 1964-7-27 11855 Riverside Canyon of Santa Margarita River, 2.5 mi. SSW of Temecula 199 Comment
  RSA633595  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-17 16702 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633631  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22657 Riverside Road to Santa Rosa Mountain. 2000 Comment
  RSA633735  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16631 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  RSA633756  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-17 16709 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  UC21884  Arctostaphylos patula H. M. Hall 1901-6 2312 Riverside near Tahquitz; San Jacinto Mountains 2286 Comment
  UCR172753  Arctostaphylos pringlei Abby Sirulnik 2000-5-7 35 Riverside Peninsular Ranges; San Jacinto Mtns., Calif. Hwy 243, c. 6 mi. south of Poppet Flat Road 1646 Comment
  CAS-BOT-BC44366  Arctostaphylos pringlei subsp. drupacea S. B. Parish; W. F. Parish 1882-6-1 936 Riverside San Jacinto Mt. Comment
  OBI30235  Arctostaphylos pringlei subsp. drupacea Trudy R. Ericson 1976-5-8 545 Riverside Coll. on Thomas Mtn Loop rd, off State hwy 74, approx. 4 mi from intersection of Loop rd with St. 74 just S of Lake Hemet, San Bernardino NF 1524 Comment
  POM367423  Arctostaphylos pringlei subsp. drupacea N. C. Cooper 1944-5-20 1280 Riverside Palms to Pines Highway [Hwy 74], San Jacinto Mountains. 1280 Comment
  RSA249851  Arctostaphylos pringlei subsp. drupacea R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38123 Riverside San Bernardino National Forest, San Jacinto Mountains.: Above and in James Reserve. 1677 Comment
  RSA679988  Arctostaphylos pringlei subsp. drupacea LeRoy Gross, Firoozeh Navid-Ara, Valerie Soza 2003-6-23 1120 Riverside Black Moutain Road (4501), southeast of Black Mountain and northwest of Fuller Mill Creek. 2012 Comment
  CAS-BOT-BC46340  Arctostaphylos pungens C. B. Wolf 1931-5-11 1953 Riverside Hemet Valley, San Jacinto Mts. 1676 Comment
  RSA636004  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19551 Riverside Carancho Rd., W. of Temecula. 440 Comment
  CLARK-A1528-5812  Argemone corymbosa John C. Roos 1949-4-11 4245 Riverside Hayfield Comment
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Jan 28 2019
  UCR94645  Argemone munita subsp. argentea Scott D. White 1996-5-27 4074 Riverside Badlands, Jackrabbit Canyon, east of Moreno Valley and south of Calimesa, between Hwy 60 and Gilman Springs Road. 610 Comment
  SD114910  Argemone munita subsp. robusta D. Diaz 1982-5-18 Riverside Santiago Peak. Comment
  CAS-BOT-BC207118  Argythamnia lanceolata Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  RSA28051  Aristida adscensionis var. abortiva I. L. Wiggins 1941-3-27 9676 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  CAS-BOT-BC137566  Aristida oligantha J. Von Loh 1978-1-13 3294 Riverside Palo Verde Mesa, 12 miles southwest of Blythe. 121 Comment
  UCR244384  Aristida purpurea var. longiseta Jim Andre 2012-4-16 20957 Riverside Southern Mojave Desert, Joshua Tree National Park; north side of Mt Ryan at Sheep Pass Campground area 1370 Comment
  RSA543187  Aristida purpurea var. nealleyi Steve Boyd 1991-3-17 5504 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  UCR220001  Artemisia californica A. C. Sanders 2010-11-18 38692 Riverside Peninsular Range; western Gavilan Hills, eastern edge of Corona, north end of 'radio tower' ridge, 1.85 mi. NNE (25 deg. ) of El Cerrito, 1 mi. SSE (143 deg. ) of Home Gardens, just east of large rock quarry 488 Comment
  RSA0104642  Artemisia ludoviciana Duncan S. Bell 2014-11-14 7707 Riverside Santa Rosa Mountains; collecting in the Santa Rosa Mountain Wilderness area; west side of Martinez Mountain; at meeting point of Horsethief Creek and the Cactus Spring Trail. 1055 Comment
  SEINET269257  Artemisia ludoviciana M. A. Patten, S. J. Myers 1993-8-20 Riverside Along Tahquitz Creek and in neighboring creosote scrub behind the debris basin dam in Palm Springs 183 Comment
  SEINET10723671  Artemisia ludoviciana David B. Dunn 1946-8-17 Dunn 2701 Riverside On trail to Taquitz from Taquitz Valley campground. On dry hillside among bracken ferns. Comment
  RSA0048565  Artemisia tridentata Nancy Anderson 1955-5-21 s.n. Riverside Van der Venter [Vandeventer] Flats. Comment
  SEINET228572  Artemisia tridentata subsp. tridentata Walter Wisura 1982-5-25 Riverside San Jacinto Mountains, pacific Crest Trail, south of Kenworthy 1372 Comment
  POM12973  Arthrocnemum subterminale I. M. Johnston 1922-5-19 s.n. Riverside Perris 457 Comment
  CAS-BOT-BC222819  Asclepias albicans D. A. Johansen; J. A. Ewan 1932-4-12 7071 Riverside Devils Canyon above Coachella Valley, Colorado Desert Comment
  SBBG5693  Asclepias albicans K. K. Muller 1958-3-22 923 Riverside 5.5 mi E of Desert Center Comment
  RSA0104760  Asclepias californica D. L. Banks, Elizabeth Hedge Banks 1996-5-2 934 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along the broad alluvial benches just to the SE of the gate to the Preserve. 448 Comment
  SJSU395  Asclepias eriocarpa A. W. Jacobs 1938-8-1 Riverside E of Keen Camp Ranger Station, San Jacinto Mts 1402 Comment
  CHSC21411  Asclepias subulata Robert A. Schlising 1972-4-8 3015 Riverside Ramon Road, east of Thousand Palms, near junction with Thousand Palms Canyon Road. Comment
  CLARK-A1528-125  Asclepias subulata Charlotte Stocks 1963-5-2 Riverside Comment
  SEINET12518425 Image available Asclepias subulata Mark Fishbein, Frankie Coburn, Danny Fuller 2016-1 7547 Riverside Along US Hwy 95 at jct Lonesome Dove Rd, 18 km north-northeast of jct I-10 at Blythe, west base of Big Maria Mountains, Colorado River valley. 93 Comment
  UCR19050  Asclepias subulata Don Emery 1980-2-12 s.n. Riverside Sonoran (Colorado) Desert, E side of the Salton Sea, near an old playa south of Dos Palmas Spring and north of Ferrum siding Comment
  UCR265020  Asparagus officinalis Mitch Provance 2013-4-8 413- 13 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  UCR18598  Asphodelus fistulosus O. F. Clarke 1974-2-28 s.n. Riverside UC Riverside Botanic Garden Comment
  UC218669  Aspidotis californica Munz and Harwood 1920-2-28 3236 Riverside 2 mi se Corona 274 Comment
  UCD166215  Astragalus Jack Major 1962-4-16 767 Riverside Along California Hwy 74, below Pinyon Flat toward Palm Desert. (Exact location unknown. Coordinates estimated by label maker.) 1220 Comment
  CAS-BOT-BC177467  Astragalus aridus Carl B. Wolf 1932-4-28 3078 Riverside Colorado Desert. Chuckwalla Valley. 19 mi. West of Blythe on the Mecca Road 121 Comment
  RSA781528  Astragalus aridus Duncan S. Bell 2010-5-1 873 B Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  RSA0025521  Astragalus bernardinus John F. Emmel 1986-4-12 996 Riverside Little San Bernardino Mtns: upper Berdoo Canyon. Locality also includes Quarter S 1/2. Section 31, Township 3S, Range 9E. 1372 Comment
  CAS-BOT-BC177720  Astragalus crotalariae E. A. McGregor 1917-3-19 2051 Riverside Indio Comment
  POM13916  Astragalus crotalariae P. A. Munz, D. D. Keck 1922-4-8 4743 Riverside 1/2 miles east of Indio. -15 Comment
  UCR208881  Astragalus didymocarpus var. dispermus F. W. Peirson 1922-4-29 2939 Riverside Peninsular Range, Dripping Spring, near Temecula River 457 Comment
  RSA90159  Astragalus didymocarpus var. dispermus F. W. Peirson 1918-03 579 Riverside Coachella Valley, field near Indio. Comment
  POM122306  Astragalus douglasii var. parishii Marcus E. Jones 1926-6-20 s.n Riverside Near Idyllwild Comment
  RSA517736  Astragalus douglasii var. parishii Donald G. Nelson 1936-5-21 380 Riverside Slopes just N of meadow in valley just E of Hurkey Creek Camp area, East of Lake Hemet, and N of Mt. Thomas. In San Jacinto Mtns. Comment
  RSA0043376  Astragalus filipes John F. Emmel 1996-6-9 1408 Riverside Santa Rosa Mts.; along road to Toro Peak, 0.5 road mile SE of Toro Camp. 2340 Comment
  CAS-BOT-BC186905  Astragalus insularis var. harwoodii A. C. Sanders 2010-3-15 37392 Riverside Sonoran (Colorado) Desert: pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  UCR246555  Astragalus lentiginosus var. borreganus Duncan S. Bell 2009-4-18 212 Riverside Arica Mountains, NW of range, c. 1.6 air miles south of Hwy 62 and c. 0.4 air mi. N of California aqueduct 389 Comment
  RSA498238  Astragalus lentiginosus var. coachellae T. W. Minthorn 1926-5-15 s.n. Riverside Near Indio. Comment
  UCR186855  Astragalus lentiginosus var. variabilis Naomi Fraga, Et al. 2005-3-30 1541 Riverside Sonoran (Colorado) Desert/Mojave Transition, dunes in the southern portion of the Pinto Basin. Joshua Tree National Park 549 Comment
  CAS-BOT-BC192764  Astragalus palmeri Peter H. Raven 1958-5-5 12885 Riverside Jumbo Rocks Camp Ground, Joshua Tree National Monument Comment
  CAS-BOT-BC194171  Astragalus pomonensis Scott D. White; Julie Greene 1997-3-12 4778 Riverside Near I-215 Freeway, S of Perris and N of Menifee, low hills E of Bavaria Dr., Sun City - Perris Basin 487 Comment
  POM2007  Astragalus pomonensis C. F. Baker 1904-4-5 4131 Riverside Hemet Comment
  RSA643334  Astragalus pomonensis R. D. Goeden, W. D. Ricker 1965-6-10 s.n. Riverside tributary of Temecula River, near Oak Mtn. 457 Comment
  UC1409125  Astragalus pomonensis Robert F. Thorne and Earl Lathrop 1969-6-6 39336 Riverside Rancho California , Rancho California (Santa Rosa Plateau) 609 Comment
  UCR38117  Astragalus tricarinatus J. M. Stewart 1985-3-16 8507 Riverside Sonoran (Colorado) Desert/Santa Rosa Mtns., Santa Rosa Mtns., Agua Alta Canyon off Martinez Canyon 732 Comment
  POM12959  Athysanus pusillus P. A. Munz, I. M. Johnston 1922-5-21 5528 Riverside Hemet Valley, San Jacinto Mts. 1433 Comment
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Feb 18 2013
  CAS-BOT-BC98814  Atrichoseris platyphylla Mrs. Jos Clemens 1922-4-10 s.n. Riverside Mecca Comment
  UCD129384  Atrichoseris platyphylla C. L. Hitchcock 1966-3-20 24315 Riverside 5 miles north of Milpitas Wash and 12 miles northwest of Blythe-Glamis Road. Comment
  IRVC28917  Atriplex argentea subsp. expansa D. E. Bramlet 1990-7-20 2049 Riverside Perris Valley Storm Drain, 200 m E of the Escondido Freeway (Hwy I-125), and 350 m N of Ellis Ave 470 Comment
  POM278666  Atriplex canescens Grant D. Brown 1949-12-14 469 Riverside 1.5 miles W of White Water Comment
  CAS-BOT-BC170199  Atriplex canescens subsp. canescens Mrs. Robert Campbell 1921-11-26 7 Riverside Between Palm Springs and Indian Wells Comment
  CAS-BOT-BC170209  Atriplex canescens subsp. canescens H. S. Gentry 1954-7-24 14249 Riverside Aguanga Comment
  RSA296151  Atriplex canescens subsp. canescens B. A. Prigge 1980-8-25 4009 Riverside San Gorgornio Pass: 1 mi. SE of Fingal siding, S Pacific RR. 427 Comment
  CAS-BOT-BC170228  Atriplex canescens subsp. linearis Nancy Ryan Zabriskie; Walter Zabriskie 1970-8-29 331 Riverside Andreas Canyon Club property, Palm Canyon watershed, east slope San Jacinto Mts. Comment
  RSA773113  Atriplex canescens var. laciniata Thomas Stoughton, Jacqueline McConnaughy, Andrew Monks, M. Volke 2010-4-20 147 Riverside Hwy 177. N of Desert Center and Desert Lily Sanctuary. E of Joshua Tree National Park border. 274 Comment
  RSA518161  Atriplex coronata var. notatior D. E. Bramlet, A. Parikh 1990-6-14 2036 Riverside Ca. 6.5 km Sw of Hemet just W of Warren Ave. at Steson Ave. & MWD canal; in cow pasture ca. 400m N of Stetson Ave. 457 Comment
  UCR66973  Atriplex coronata var. notatior D. E. Bramlet 1990-6-14 2038 Riverside San Jacinto Valley, c. 6.5 km SW of Hemet, c. 400 m north of the Santa Fe RR tracks and adjacent to (E of ) MWD canal, c. 900 m west of Warren Ave 457 Comment
  UCR266286  Atriplex davidsonii D. E. Bramlet 2005-7-28 3912 Riverside Perris-Aguanga Basin, area west of Hemet & Hemet-Ryan Airport, west of Warren Rd., south of Florida Ave./Hwy 74, east of San Diego Canal 457 Comment
  UCR208451  Atriplex glauca R. E. Riefner Jr. 2005-12-30 05- 792 Riverside city of Riverside, Gramercy Place near La Sierra Ave 27 Comment
  POM220055  Atriplex hymenelytra F. R. Fosberg 1932-3-13 8087 Riverside Thousand Palms Canyon, Coachella Valley. Comment
  SBBG65383  Atriplex hymenelytra S. W. Hutchinson 1928-2-1 107 Riverside Thousand Palms 243 Comment
  UC665756  Atriplex hymenelytra Ira L. Wiggins 1941-3-24 9590 Riverside on silty slopes 0.5 mi from beach on e side Salton Sea (1 mi n of Imperial County line); e side Salton Sea, n of Imperial County Line Comment
  CAS-BOT-BC176540  Atriplex polycarpa Lewis S. Rose 1961-11-24 61068 Riverside La Quinta 15 Comment
  RSA737103  Atriplex semibaccata Justin M. Wood 2008-10-29 206 Riverside Murrieta Creek- 2 miles SE of Murrieta, open field N of Winchester Rd and between the creek and Jefferson Ave. 314 Comment
  SD162764  Atriplex semibaccata Virginia Moran 1999-2-9 Riverside C.f. West Coast Thoroughbred Farm, 12150 Riverside Avenue, disturbed area (farm slated for development) Comment
  UCR121168  Atriplex semibaccata D. E. Bramlet 1989-7-6 1935 Riverside Auld Creek west of the Lake Skinner Dam; c. 1,000 ft. NE of the intersection of Washington St. and Auld Road. 423 Comment
  UCR40489  Atriplex serenana Steve Boyd 1985-8-7 1115 Riverside Santa Rosa Plateau, Murrieta area, Clinton Keith Rd. near (just east of) Bear Creek golf course Comment
  RSA660916  Atriplex suberecta Mitch Provance 1998-5-4 1714 Riverside Belltown area, 'gravel pits' just S of 26th St. and Hall Ave. 250 Comment
  UCR205964  Atriplex suberecta Scott D. White 2001-7-9 8722 Riverside Perris-Aguanga Basin, Menifee, c. 1 mile southwest of Bell Mountain and 0.5 mile east of I-215 Fwy 457 Comment
  IRVC9234  Avena barbata B. T. Gittins 1966-5-1 1285 Riverside Santa Rosa Plateau. Peninsular Ranges, Santa Ana Mountains Comment
  RSA495453  Avena barbata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2981 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  UC667326  Ayenia compacta Annie M. Alexander and Louise Kellogg 1941-5-26 2236 Riverside Monsen Canyon Eagle Nountains 822 Comment
  CDA42499  Azolla filiculoides F. J. Willmarth Apr 1958 s.n. Riverside Reservoir, Hemet Valley. 0 Comment
  JOTR30142  Baccharis brachyphylla La Doux, Tasha 2008-2-4 1708 Riverside Joshua Tree National Park. Stop #1: Hexie Mtns./Porcupine Wash; open sandy wash near road heading to Cottonwood. 745 Comment
  RSA518311  Baccharis brachyphylla A. C. Sanders 1989-9-19 9503 Riverside Chocolate Mtns Aerial Gunnery Range, 1.75 km S of Tabaseca Tank, along the wash above ''Tabaseca Target. 680 Comment
  SEINET7239563 Image available Baccharis douglasii F. M. Reed 1907-9-21 1953 Riverside Riverside and vicinity Comment
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Oct 6 2017
  RSA621887  Baccharis emoryi Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 3004 Riverside Vail Lake area, Temecula Creek Cyn below Vail Lake Dam 457 Comment
  RSA652566  Baccharis emoryi Marion P. Harthill 1973-2-25 s.n. Riverside 8 miles N. of Elsinore Comment
  CLARK-A1528-166  Baccharis glutinosa John C. Roos 1951-10-24 5346 Riverside Riverside 259 Comment
  IRVC523  Baccharis glutinosa R. H. Whittaker, W. A. Niering 1963-6-11 SJ 373 Riverside Santa Rosa Rd., slope W-5 degree draw, mostly sandy soil, occasional boulders. Santa Rosa Mountains 1601 Comment
  UCR141243  Baccharis pilularis subsp. consanguinea A. C. Sanders, Kelly Volansky 2004-10-6 28815 Riverside Santa Ana Mtns./Santa Rosa Plateau, 41050 Avenida La Cresta, south of Sierra Maria Rd. and c. 1.5 mi. north of Tenaja Rd., c. 2 miles NW of the Mesa de Colorado 671 Comment
  CAS-BOT-BC106745  Baccharis salicifolia Aven Nelson; Ruth Nelson 1939-3-25 3252 Riverside On banks of a small stream, in Palm Canyon. Comment
  JOTR31069  Baccharis salicifolia La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2051 Riverside Joshua Tree National Park. Little San Bernardino Mountains; STOP 6: upper portion of Smithwater Canyon, leading to Lower Covington Flats, wide sandy wash Comment
  POM319652  Baccharis salicifolia Patricia Wilder 1970-10-30 4826 Riverside Road on south side of Prado Flood Control Basin on east side of Prado Dam. About 1/2 mile east of dam tender's residence. Santa Ana River Drainage Area. East of Chino Hills. 152 Comment
  UCR216230  Baccharis salicifolia Mike Bell 2008-4-27 015 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, Adobe Loop Trail 538 Comment
  UCR91716  Baccharis salicifolia A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18109 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  SEINET10616773  Baccharis salicifolia David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3724 Riverside Indio Hills, Colorado Desert. Near Pushawalla. Comment
  POM350456  Baccharis sergiloides L. C. Wheeler 1933-12-1 2292 Riverside Mouth of Tauquitz Canyon, San Jacinto Mountains. 152 Comment
  RSA314397  Baccharis sergiloides R. F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55405 Riverside San Bernardino Mts.: Side canyon on W side of Whitewater Cyn, ca. 3.3 mi. N of Whitewater Post Office. 595 Comment
  UC166726  Baccharis sergiloides Geo. B. Grant May 1 1906-May 10 1906 96 Riverside Palm Springs Colorado Desert Comment
  CAS-BOT-BC295899  Bahiopsis parishii Annie M. Alexander; Louise Kellogg 1941-5-18 2196 Riverside Eagle Mountains 1021 Comment
  RSA189411  Bahiopsis parishii L. S. Rose 1966-12-14 66104 Riverside Chino Canyon, 3 mi. W of Palm Springs. 671 Comment
  CAS-BOT-BC99965  Baileya pauciradiata Carl B. Wolf 1937-4-6 8431 Riverside Colorado Desert. Coachella Valley, 3 mi. No. of Indio 0 Comment
  JOTR32453  Baileya pleniradiata Herskovits, Tasya, K. Kain 2011-9-28 3 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Keys View; Burn area on gentle rocky slopes 1582 Comment
  UCR244471  Baileya pleniradiata Jim Andre 2012-4-16 20941 Riverside Southern Mojave Desert, Joshua Tree National Park; along Geotour Road, at north end of one-way loop in Pleasant Valley at foot (south end) of Hexie Mtns, 6.7 mi. south of (paved) National Park Loop Rd. 990 Comment
  SEINET2055760 Image available Baileya pleniradiata George K. Helmkamp, E. A. Helmkamp 2001-9-16 7174 Riverside Willcox Playa, east edge: Blue Sky Road 0.2 mil northeast of AZ-186 (siuthest of Willcox} 1295 Comment
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May 3 2014
  POM350774  Bebbia juncea Robert Gustafson, Gary D. Wallace 1982-5-19 2568 Riverside Pines to Palms Hwy (Hwy. 74), vicinity of Pinyon Flat campground. Comment
  RSA709803  Bebbia juncea A. C. Sanders 2004-5-12 27891 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  SEINET2047507 Image available Bebbia juncea Grace Sprague 1968-5-3 Riverside White Water Canyon Wash Comment
  UCR272461  Bebbia juncea Mitch Provance 2012-8-1 712- 06 Riverside Colorado Desert, Thousand Palms Canyon Road, +- 2/3 of the way up into the canyon. 140 Comment
  UCSB42271  Bebbia juncea Roos, John 1965-6-19 Riverside Sky Line Drive, S of Corona, Santa Ana Mountains. Comment
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May 21 2011
  CAS-BOT-BC100142  Bebbia juncea var. aspera Marcus E. Jones 1926-6-8 s.n. Riverside Whitewater Comment
  JOTR34379  Bebbia juncea var. aspera Andre, Jim 2012-4-16 20900 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  JOTR35068  Bebbia juncea var. aspera La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3520 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocky slopes; above narrow side canyon Comment
  UC30526  Bebbia juncea var. aspera W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1851 Riverside e base of San Jacinto Mt. 457 Comment
  UCR252813  Berberis nevinii Ana Hernandez 2012-4-2 031 Riverside Perris Aguanga Basin, top of Oak Mountain, 35 meters north of dirt road 825 Comment
  SEINET893005  Bergia texana John C. Roos 1952-1 5730 Riverside San Jacinto river bottomland 1 mile southeast of Perris. 426 Comment
  RSA0123123  Bernardia incana Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 9010 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  UC1281152  Bernardia incana H. E. McMinn 1935-6-27 4070 Riverside Palms to Pines Hwy. on grade to the valley Comment
  RSA69940  Beta vulgaris P. A. Munz 1923-6-14 7120 Riverside 5 miles north of Corona. Comment
  CLARK-A1528-5452  Bidens frondosa John C. Roos 1951-9-25 5265 Riverside Riverside 259 Comment
  UCR188892  Bidens frondosa Fred M. Roberts, S. Leatherman 2007-9-19 6585 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  UCR17050  Bloomeria crocea var. crocea D. H. Wilken 1965-6-29 360 Riverside San Jacinto Mtns, Strawberry Meadows, near Idyllwild 1555 Comment
  POM305718  Boechera californica Henry J. Ramsey, Henry J. Ramsey 1939-4-22 1021 Riverside Hemet-Anza, Bautista Creek Road. Comment
  SBBG72287  Boechera pendulocarpa R. Hoffmann 1929-9-10 Riverside San Jacinto Mtns 2438 Comment
  JOTR30923  Boechera xylopoda La Doux, Tasha, Bill Truesdell 2008-4-29 2598 Riverside Joshua Tree National Park. Little San Bernardino mountains, north end of Quail Mountain; Steep rocky slopes above side canyon, south of Johnny Lang Canyon (Stop 8) 1219 Comment
  UCD98029  Boerhavia coccinea T. C. Fuller 1968-7-17 17388 Riverside Behind post office, 288 E. Main St., San Jacinto. Comment
  UCR19108  Boerhavia coccinea John C. Roos 1948-5-15 3858 Riverside Sonoran (Colorado) Desert, S foot of the Eagle Mtns, mouth of Lost Palms Wash Comment
  UCR102045  Boerhavia coulteri B. G. Pitzer 1997-10-19 3350 Riverside Sonoran (Colorado) Desert, north foot of Chuckwalla Mtns., Eagle Mtn. Road on south side of Hwy I-10, c. 0.8 mi. south of Hwy at powerline road 500 Comment
  RSA683912  Boerhavia wrightii Michael Denslow 2003-9-14 1569 Riverside Maniobra Valley, Chiraco Summit Road off I-10. 517 Comment
  UCR245987  Boerhavia wrightii Duncan S. Bell 2012-9-13 4190 Riverside Sonoran (Colorado) Desert, Rice Valley; east side of the Arica Mountains; c. 6 air miles southeast of the ghost town of Rice and c. 5.5 air mi east of Priests Well 202 Comment
  RSA191454  Boisduvalia densiflora E. W. Lathrop, Robert F. Thorne 1967-9-26 6652 Riverside 6 miles NW of Murrieta., 1 mi W of Santa Rosa Ranch. Comment
  CAS-BOT-BC31021  Bolboschoenus maritimus Carl Epling; Joseph Andorfer Ewan 1933-6-1 s.n. Riverside South shore Lake Elsinore. Comment
  CAS-BOT-BC145586  Bouteloua aristidoides J. Von Loh 1977-10-30 2589 Riverside Ford Dry Lake. Comment
  RSA526373  Bouteloua aristidoides Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring, Chuckwalla Mountains, Colorado Desert. Comment
  SEINET3920391  Bouteloua barbata Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-23 6490 Riverside Palen Valley, 15 miles northeast of Desert Center.; 0 183 Comment
  UCD56842  Bouteloua barbata Leslie L. Ede 1972-7-18 s.n. Riverside Blythe? Comment
  JEPS8276  Bouteloua barbata var. barbata Rimo Bacigalupi with J. F. MacBride, Ruth D. Sanderson, and C. Leroy Custer 1952-4-1 3602 Riverside along State Hwy 111 just opposite northern end of the Salton Sea -57 Comment
  RSA768244  Bowlesia incana Justin M. Wood 2010-5-19 1841 Riverside Santa Ana River: +/- 1.4 miles downstream of Prado dam outlet, just NW of Green River Housing Estate. 131 Comment
  UCR260893  Bowlesia incana A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41528 Riverside Woodcrest area of Riverside, wet canyon 0.25 km ENE of Evening Star Rd., 0.25 km north of Ridge Canyon Dr., above Woodcrest Dam 372 Comment
  UCR249918  Brachypodium distachyon A. C. Sanders 2014-4-18 41039 Riverside Peninsular Range, Temescal Canyon, along De Palma Rd. between Horsethief Canyon Road and Glen Eden 372 Comment
  JOTR16656  Brandegea bigelovii Vanderspek & Youse 1964-4-19 s.n. Riverside Joshua Tree National Park. WILSON CANYON Comment
  SEINET270250  Brandegea bigelovii A. C. Sanders 1995-5-23 17116 Riverside Colorado Desert Coachella Valley: alluvial fans below the Santa Rosa Mountains north of Toro Canyon west of Monroe St 15 Comment
  UC373179  Brandegea bigelovii Marcus E. Jones, A. M. 1906-4-20 Riverside Indio Comment
  UCR103899  Brassica geniculata B. G. Pitzer 1997-4-12 3127 Riverside Lakeview Mtns, Pulsar View Road, c. 3/4-1 mi. by road uphill from the base of the hills at the end of Warren Road (very short dirt road); c. 1 mi. airline NE of Juniper Flats Road. Approx. 0.9 mi. airline SW of Mt. Rudolph (measured from BM 'Nelson'). 610 Comment
  RSA680345  Brassica tournefortii Scott D. White 2001-3-27 8177 Riverside Moreno Valley area. About 1 air mile East-Northeast of the jtn State Rt. 60 w/ theodore St. Adjacent to County Landfill. 610 Comment
  UCR165821  Brassica tournefortii John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  UCR20832  Brassica tournefortii A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1302 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  UCR260246  Brassica tournefortii A. C. Sanders, Jim Malusa 2015-3-9 41362 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along Gasline Road at major wash crossing 1.9 mi. south of Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range 686 Comment
  PASA2160  Brickellia arguta Frank W. Peirson 1919-4-13 Riverside Along the Tahquitz stream, east of Palm Springs 152 Comment
  CAS-BOT-BC106342  Brickellia atractyloides var. arguta H. M. Hall 1905-5-1 6016 Riverside Cottonwood Springs - Colorado Desert 670 Comment
  CAS-BOT-BC106179  Brickellia desertorum S. B. Parish 1913-2-8 8432 Riverside Base of mountains southw of Travertine Rock - Salton Basin 30 Comment
  CLARK-A1528-5505  Brickellia desertorum John C. Roos 1951-10-19 5328 Riverside San Jacinto Mountains 457 Comment
  JOTR35236  Brickellia desertorum Wheeler, Mark 2011-10-19 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains, Eureka Peak Complex, South of Eureka Peak Comment
  RSA609528  Brickellia desertorum L. C. Wheeler 1952-10-30 6380 Riverside Citrus Experiment Station ( = the present University of California, Riverside). Comment
  UC55185  Brickellia desertorum Geo. R. Hall 1902-10-25 Riverside near Riverside Comment
  UC894157  Brickellia desertorum Carl B. Wolf 1932-10-12 Riverside Pinyon Well, Little San Bernardino Mts., Colorado Desert Colorado Desert, Little San Bernardino Mts., Pinyon Well 1219 Comment
  SEINET7048183  Brickellia desertorum Steven R. Hill 2001-5-3 33692 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  CLARK-A1528-1522  Brodiaea filifolia John C. Roos 1952-5-14 5667 Riverside San Jacinto River 426 Comment
  UCR60372  Brodiaea jolonensis R. Balsamo 1989-5-7 s.n. Riverside Santa Ana Mtns/Santa Rosa Plateau, The Nature Conservancy's Santa Rosa Plateau Preserve, 4.1 mi west of Hwy I-15 on Clinton Keith Rd., directly across the road from vernal pools 762 Comment
  UCR164914  Brodiaea santarosae Chris E. True, R. Vargas, M. Bornyasz 2003-6-3 s.n. Riverside Peninsular Ranges; Southern Santa Ana Mtns., Santa Rosa Plateau Area, Mesa de Colorado, east of large pool off [Via] Volcano road; CCB-WRC Monitoring site 2619 630 Comment
  UCR79358  Brodiaea santarosae Steve Boyd, T. S. Ross 1992-5-15 7385 Riverside S Santa Ana Mtns, SE flank of Elsinore Peak along old Main Divide Rd. track, c. 0.25 mi due south of radio towers 1037 Comment
  UCR16041  Brodiaea terrestris subsp. kernensis Loretta Bates 1978-5-27 s.n. Riverside Santa Ana Mtns, Santa Rosa Plateau: Mesa de Burro south of Tenaja Road, 4 mi west of Murrieta Comment
  CAS-BOT-BC149442  Bromus berteroanus John Roos; Lucille Roos 1953-3-21 5909 Riverside Mouth of Andreas Canyon south of Palm Springs. 274 Comment
  JOTR33668  Bromus berteroanus La Doux, Tasha 2005-9-1 1594 Riverside Joshua Tree National Park. Eagle Mountains, northwest end; 3.5 miles north of Cottonwood Visitor Center; granitic outcrops with sandy wash Comment
  RSA543596  Bromus berteroanus Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6128 Riverside Gavilan Hills, SE end of range, E of Arroyo del Toro. 488 Comment
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Apr 12 2009
  SEINET3921841  Bromus carinatus Elizabeth Neese 1979-4-11 7104 Riverside Road jct halfway between Blythe & Rice.; 0 Comment
  SEINET901511  Bromus carinatus Steve Boyd, Tim Ross, Dave Bramlet 1993-1 7318 -B Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos Canyon downstream to confluence with Tenaja Canyon, Rancho Santa Ana Botanic Garden 365 Comment
  RSA363848  Bromus diandrus N. C. Cooper 1944-5-6 1215 Riverside Banning. 701 Comment
  UCR138916  Bromus diandrus Julie A. Greene 1993-4-3 1078 Riverside San Jacinto Valley, San Jacinto Wildlife Area. south of levee road, south of the permanent pond 441 Comment
  UCR91443  Bromus diandrus Scott D. White 1995-3-30 2631 Riverside San Jacinto Valley, Just west of Box Springs Blvd, east of Sycamore Canyon Park 457 Comment
  POM363886  Bromus hordeaceus N. C. Cooper 1944-4-22 1113 Riverside Banning. 732 Comment
  UCR52074  Bromus madritensis Bill Wagner 1988-3-7 s.n. Riverside Woodcrest area, c. 6 mi SW of Riverside, NE corner of Hibiscus and Dauchy Avenues 488 Comment
  CSUSB434  Bromus rubens Leland E. Francois 1966-3-8 3866 2 Riverside City of Riverside. Southwest corner of U.S. Salinity Laboratory. Property on corner of 14th Street and Palm Ave. 289 Comment
  UCR140287  Bromus rubens A. C. Sanders 2004-4-9 27458 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks 518 Comment
  UCR4167  Bromus rubens R. H. Sauer 1965-4-21 s.n. Riverside Peninsular Range, Riverside, [foot of Box Springs Mtns.] east end of Big Springs Road 366 Comment
  RSA0034583  Bromus rubens Bonnie C. Templeton, I. W. Clokey 1930-4-9 1008 Riverside North of Palm Springs. Colorado Desert. 305 Comment
  UCR120918  Bromus tectorum A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24938 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCR58480  Bromus tectorum Ed LaRue 1989-5-17 s.n. Riverside San Bernardino Mtns, hills east of Beaumont, along Potrero Creek, one-half mi. east of old San Jacinto Nuevo Y Potrero land grant 701 Comment
  SEINET10901257  Bromus tectorum Victor Duran 1932-5-18 Duran 3218 Riverside Idyllwild, San Jacinto Mountains. Very plentiful in this range in meadows and sheltered places in canyons. 1676 Comment
  GMDRC3745  Caesalpinia virgata J. Andre, T. La Doux 2009-3-1 11238 Riverside Little San Bernardino Mountains: Joshua Tree Natl. Park: south end of the Cottonwood Mtns near Pinkham Wash just N. of aquaduct just inside JTNP boundary, approx 7 mi. W. of S. entrance into park at Cottonwood. USGS 7.5 min. Quad: Cottonwood Basin 33 deg. 40.948' N 115 deg. 52.141' W. Elev. 1778 ft. 542 Comment
  RSA405289  Caesalpinia virgata M. B. Dunkle 1933-5-6 3440 Riverside Painted Canyon. Comment
  RSA0105077  Calandrinia ciliata Daphne K. Christopher, Hannah Stevens 2003-4-6 107 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 540 Comment
  RSA359873  Calandrinia ciliata Steve Boyd 1986-4-2 1607 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  NY409588  Callitriche longipedunculata R. F. Thorne 1973-5-23 45530 Riverside Santa Rosa Plateau - Mesa de Colorado 609.6 Comment
  RSA660030  Calocedrus decurrens Michelle Cleveland 1981-2-14 12 Riverside Idyllwild Visitor Center off Hwy 74. Collected 200 yards N of Visitor Center. 1900 Comment
  UCR193293  Calochortus palmeri var. munzii A. C. Sanders, Tim Thomas 2008-6-20 35543 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  RSA663321  Calochortus plummerae Mitch Provance 1998-6-9 631 Riverside Jurupa Mountains: SE Pyrite Canyon, ca .3 km NW of the Jurupa Mountains Culture Center. 366 Comment
  UC454390  Calochortus plummerae I. J. Condit 1910-6-21 Riverside San Jacinto Mts. 609 Comment
  CHSC2241  Calochortus splendens V. Holt 1957-4-29 Riverside Near Hemet. 304 Comment
  SD136974  Calochortus splendens Steve Boyd, Tim Ross 1992-5-4 7199 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, Oak Flats area east of Verdugo Potrero. 730 Comment
  SEINET8481392 Image available Calycoseris wrightii A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40646 Riverside Sonoran (Colorado) Desert; Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit 410 Comment
  UC473451  Calyptridium monandrum John Thomas Howell 1930-5-10 4806 Riverside at to of St. John's Grade Comment
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Jul 5 2010
  UCR120957  Calystegia macrostegia A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23887 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  UCR1647  Calystegia macrostegia subsp. tenuifolia William R. Bowen 1962-4-15 030 Riverside Cajalco Canyon near Lake Mathews 427 Comment
  POM12924  Calystegia occidentalis subsp. fulcrata P. A. Munz 1922-6-27 5843 Riverside Santa Rosa Mountains, Santa Rosa. 1981 Comment
  RSA793029  Camissonia Justin M. Wood 2011-4-4 3393 Riverside San Bernardino Mountains Foothills: San Gorgonio River wash, off of Bluff Street, just east of Banning Bench. 881 Comment
  UCR164893  Camissonia bistorta S. J. Myers 2001-4-5 s.n. Riverside San Jacinto Mtns., Bautista Canyon 854 Comment
  RSA278965  Camissonia boothii subsp. condensata Barry A. Prigge 1978-3-23 2412 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  UCR249508  Camissonia boothii subsp. condensata T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7282 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  RSA134498  Camissonia californica Harlan Lewis, M. Lewis 1953-3-15 1610 Riverside Colorado Desert, Pushawalla Canyon in desert wash Comment
  RSA466162  Camissonia californica E. Crow 1929-4-21 339 Riverside North of Alberhill. Comment
  RSA594783  Camissonia californica D. L. Banks, Dylan Hannon 1996-5-3 977 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Along a xeric W facing slope, approximately 350 m SE of the Helipad at the upper camp sites. 540 Comment
  UCR21992  Camissonia californica Steve Boyd 1980-7-12 328 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR226584  Camissonia californica Jim Andre 2011-2-18 15816 Riverside Coachella Valley, north end of valley at base of Morong Canyon, 0.5 mi north of indian Canyon Road, 1 mi west of Hwy 62 473 Comment
  UCR88113  Camissonia californica A. C. Sanders, G. Nuhn 1995-4-20 16590 Riverside Sonoran (Colorado) Desert, Coachella Valley, near Fan Hill, NE of Dillon Road on an abandoned road, below Little San Bernardino Mtns. NE of 1000 Palms 549 Comment
  POM153428  Camissonia cardiophylla M. French Gilman 1927-12-31 s.n. Riverside Pinto Basin, Colo. Desert. Comment
  UCR72223  Camissonia cardiophylla Theo Glenn 1991-5-30 91- 118 A Riverside Sonoran (Colorado) Desert, Mule Mtns, 0.2 mi. east of the Opal Hill Mine, just north of the Imperial County line and west of Palo Verde 200 Comment
  JOTR33804  Camissonia claviformis subsp. aurantiaca La Doux, Tasha, B. Truesdell 2007-11-9 3302 Riverside Joshua Tree National Park. Pinto Basin; Fried Liver Wash along Route 11 where the wash crosses the road (STOP 1) 532 Comment
  RSA135302  Camissonia claviformis subsp. aurantiaca Peter H. Raven 1958-2-16 11626 Riverside Just west of Blythe Air Field. Comment
  RSA562118  Camissonia hirtella Steve Boyd 1992-4-14 6788 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Verdugo Trail from Tenaja Trail to Bluewater Trail in upper watershed of Bluewater Canyon, S of Sitton Peak. 793 Comment
  UCR120539  Camissonia hirtella D. E. Bramlet, P. Jacks, S. Goode 1989-4-6 1799 Riverside Perris-Aguanga Basin Region, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 482 Comment
  UCR154451  Camissonia hirtella A. C. Sanders, Mike Misenhelter 2005-6-15 30962 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  UCR20516  Camissonia ignota E. W. Lathrop 1966-3-20 6065 Riverside Cleveland National Forest, 10 mi west of Murrieta on the Tenaja Truck Trail between Tenaja Guard Station and DeLuz, Trabuco District 652 Comment
  UCR16411  Camissonia pallida Barry A. Vittor 1966-3-18 s.n. Riverside Western Colorado Desert, Rancho Dos Palmas, 2 miles northeast of Salton Sea State Park 30 Comment
  RSA144820  Camissonia refracta E. G. Linsley, J. W. MacSwain 1960-3-2 60 -5 Riverside 2 miles west of Desert Center. Comment
  SDSU3360  Camissoniopsis hirtella H. Wedberg 1958-3-30 190 Riverside Between Upper San Juan Campground and Highway 74, north-west from the actual campground and over the stream. On dry gravelly slope. Comment
  UC147159  Camissoniopsis pallida subsp. hallii H. M. Hall 1897-4-17 446 Riverside Banning Colorado Desert (edge of Colorado Desert) Comment
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Mar 21 2011
  UCD103576  Camissoniopsis pallida subsp. pallida Collector Unknown 1923-3-25 300 Riverside Whitewater. Comment
  UCR35113  Cannabis sativa L. B. Ziegler 1974-9-14 535 Riverside Foothills of San Jacinto Mtns., canyon two miles south of Hemet 503 Comment
  RSA343102  Carex alma Robert F. Thorne, Walter Wisura, E. W. Lathrop, S. Meury 1985-5-18 60634 Riverside Santa Rosa Plateau: Cole Canyon, near entrance to Nature Conservancy Reserve. 530 Comment
  UCR281827  Carex barbarae Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-23 517- 106 Riverside Temescal Valley, South Corona, Warm Springs Dr. at intersection with Whitetail Dr., drainage likely associated with Anderson Canyon, adjacent to large swath of relict disturbed bottomland. 345 Comment
  POM259174  Carex douglasii Phillip A. Munz 1938-8-13 15327 Riverside Cedar Spring, north base of Santa Rosa Peak. 2378 Comment
  RSA88679  Carex lemmonii F. W. Peirson 1924-7-27 6024 Riverside Deer Spring, Dark Canyon, San Jacinto Mountains. 2439 Comment
  POM6821  Carex multicostata Phillip A. Munz, L. T. Street 1919-5-7 2742 Riverside Tahquitz Canyon, San Jacinto Mountains 244 Comment
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Jul 2 2008
  RSA680524  Carex praegracilis Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8649 Riverside Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  POM14387  Carex sartwelliana Phillip A. Munz 1922-7-6 6026 Riverside San Jacinto Mountains, between Tahquitz Creek and Hidden Lake. 2287 Comment
  RSA614159  Carex triquetra Darin L. Banks 1997-2-23 1318 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  SEINET7578801 Image available Carex triquetra Steve Boyd, Tim Ross, Orlando Mistretta 1992-3-31 6753 B Riverside Santa Ana Mountain, San Mateo Cyn Wilderness Area, Morgan Trail from Round Potrero W to jtn with Tenaja Tr in N-fork Bear Creek. 671 Comment
  UC1922343  Carya illinoinensis R. E. Riefner Jr. 2007-6-16 07 -258 Riverside City of Hemet, Lake St. at Florida Ave. (Hwy. 74). Comment
  SD239935  Castela emoryi Nathan Moorhatch, Shari Norton 2010-5-7 Riverside Sonoran (Colorado) Desert: north of Desert Center, north of the golf course and east of the bend in Eagle Mountain Road. 198 Comment
  UC1374894  Castilleja applegatei subsp. martinii Noel H. Holmgren and Liew Fah Seong 1969-6-17 3578 Riverside 0.25 mi above Bay Tree Spring (County Rd R1); San Jacinto Mountains Comment
  UC2030127  Castilleja applegatei subsp. martinii Robert F. Thorne, J. P. Simon, and C. W. Tilforth 1969-6-24 38086 Riverside SAN JACINTO MOUNTAINS: San Bernardino National Forest. Above James Reserve in Hall Canyon. Comment
  RSA0010922  Castilleja densiflora subsp. densiflora J. C. Roos 1952-4-16 5558 Riverside Box Springs Mountains, Pigeon Pass. 396 Comment
  RSA793014  Castilleja exserta Justin M. Wood 2011-4-4 3402 Riverside San Bernardino Mountains Foothills: San Gorgonio River wash, off of Bluff Street, just east of Banning Bench. 881 Comment
  UCR162414  Castilleja exserta S. J. Myers, Chet McGaugh 2003-4-7 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1098 Comment
  HSC20513  Castilleja foliolosa C. L. Hitchcock 1966-3-15 24164 Riverside About 10 mi. NE of Temecula Comment
  RSA192319  Castilleja minor subsp. spiralis E. W. Lathrop 1966-6-1 6358 Riverside Los Alamos Rd. , Tenaja Range. 14 miles NW of Murrieta. 366 Comment
  UCR106733  Castilleja minor subsp. spiralis John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  UCR37497  Castilleja minor subsp. spiralis Steve Boyd 1981-5-15 s.n. Riverside Peninsular Range, Gavilan Hills, confluence of the major drainage off the west slope of Estelle Mountain with Temescal Wash 320 Comment
  JOTR33735  Caulanthus cooperi La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2735 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Exposed aplite vein forming a prominent rib line with loose, cobble slope surrounding it (Stop 3) Comment
  UCR137475  Caulanthus heterophyllus D. L. Banks 1997-2-23 1314 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation, north of Pechanga Rd. and south of Anza Rd., just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire 460 Comment
  HSC87227  Caulanthus lasiophyllus Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2172 Riverside Palen Pass at the N end of the Palen Mtns. 500 Comment
  CAS-BOT-BC421495  Ceanothus crassifolius L. Nye; G. Gust 2005-3-11 67 Riverside BM 2228 ca. 4 miles W of Murrieta. 453 Comment
  RSA3119  Ceanothus crassifolius Carl B. Wolf 1932-2-11 2648 Riverside Hidden Canyon 5 mi. W. of Corona at base of Santa Ana Mts. 405 Comment
  RSA557732  Ceanothus crassifolius Steve Boyd, Ken Berg, Sandy Morey, Jon Keeley 1992-5-3 7169 B Riverside Vail Lake area, ridge about 1 mile west of the lake, east of ''Little'' Oak Mountain. 610 Comment
  RSA606778  Ceanothus crassifolius Jon E. Keeley 1996-5-13 27429 Riverside In on N side of Agua Tibia Range, 2-3 km S of Agua Tibia Wilderness boundary gate on trail extending ca. 100 m S of enclosed reservoir on ridge SE of Woodchuck Resort at end of Woodchuck Rd., S of Hwy 79. 1000 Comment
  SD137652  Ceanothus crassifolius Darin L. Banks, Steve Boyd 1995-3-15 59 Riverside NW Palomar Mtns., Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. 680 Comment
  UCD111420  Ceanothus crassifolius Beecher Crampton 1963-5-7 6787 Riverside 2 miles west of El Cariso Guard Station, Cleveland National Forest, Santa Ana Mountains. 701 Comment
  UCR91599  Ceanothus crassifolius D. L. Banks, Steve Boyd 1995-3-15 0059 Riverside NW Palomar Mtns, Agua Tibia Wilderness Area, N face of Agua Tibia Mtns., Dorland Mtn. area 738 Comment
  RSA575057  Ceanothus cuneatus Steve Boyd 1981-3-4 810304 -K Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  SBBG50799  Ceanothus cuneatus var. cuneatus R. S. Woglum 1942-4-15 Riverside Aguanga Comment
  UC870524  Ceanothus cuneatus var. cuneatus I. W. Clokey and E. G. Anderson 1935-4-16 6733 Riverside e of Hemet 560 Comment
  RSA297381  Ceanothus greggii var. perplexans Larry E. DeBuhr 1972-3-24 534 Riverside Santa Rosa Mountains. San Bernardino National Forest; along forest road 7S02. 1677 Comment
  RSA262093  Ceanothus integerrimus var. puberulus E. W. Lathrop 1969-5-9 7033 Riverside Main Divide Truck. Trail between El Carriso and Santiago Peak, Cleveland Nat'l Forest. 1220 Comment
  CAS-BOT-BC51280  Ceanothus leucodermis R. S. Woglum 1941-6-12 3058 A Riverside Idyllwild Comment
  UCD112263  Ceanothus leucodermis R. Tofsrud 1951-4-25 s.n. Riverside Santa Ana Mts. Above Elsinore. 304 Comment
  RSA584899  Ceanothus ophiochilus Mark Skinner 1992-5-3 s.n. Riverside Vail Lake area, ridge about 1 mile west of the lake, east of ''Little'' Oak Mountain. 610 Comment
  SD136767  Ceanothus ophiochilus Steve Boyd, Kyle Boyd 1993-3-28 7917 Riverside Agua Tibia Wilderness Area, Cleveland National Forest. Palomar Range south of Vail Lake at north base of Agua Tibia Mountain. Along trail extending south from end of Woodchuck Road. 792 Comment
  UCD112284  Ceanothus ophiochilus Steve Boyd; Tim Ross, Laurel Arnseth 1989-3-31 3097 Riverside Vail Lake area, 1 mi. W of lake. 609 Comment
  UCR79354  Ceanothus ophiochilus Steve Boyd, K. Berg, Sandy Morey, Jon E. Keeley 1992-5-3 7169 A Riverside Peninsular Range, Vail Lake area: ridge about 1 mi. west of lake, east of 'Little' Oak Mt. 610 Comment
  UCD112521  Ceanothus perplexans Richard Bates 1949-5-21 s.n. Riverside Hemet Lake area, meadow on the way to Pinon Flats, San Jacinto Mtns. Comment
  UCR92781  Ceanothus tomentosus Scott D. White 1994-3-29 1936 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  CAS-BOT-BC63256  Ceanothus tomentosus var. olivaceus D. Bramlet 1999-4-10 2733 Riverside Bachelor Mountain. Alongside the existing dirt road leading to Bachelor Mth., on a plateau area 305 m. e. of peak. This 737 Comment
  SD239538  Cenchrus longisetus T. B. Salvato 2000-8-22 20 Riverside Peninsular Range: Riverside, Bascomb Drive at Don Goodwin Street (Riverside East 7.5'Q) 309 Comment
  RSA74576  Centaurea repens J. C. Roos 1947-7-5 2908 Riverside Junction of San Timoteo and Live Oak Creeks. 457 Comment
  RSA644299  Centaurea solstitialis Scott D. White 1995-7-13 3473 Riverside NE Santa Ana Mtn foothills. Alluvial fan below [unnamed] canyon. +/- 1/4 mi SW of Grand Ave. (City of Lake Elsinore), directly downslope from hairpin turn on SH 74. 488 Comment
  POM13612  Centaurium venustum E. C. Jaeger 1921-7-15 1134 s.n. Riverside Massacre Canyon, near San Jacinto. Comment
  RSA784845  Cerastium glomeratum J. D. Olmsted 1959-6-23 567 Riverside Erosion gully where stream enters pond from North, Desert Sun School near Idyllwild, M. Fk. San Jacinto R. drainage area 1646 Comment
  UCR126372  Cerastium glomeratum A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 680 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  SEINET7048211  Cerastium glomeratum Steven R. Hill, Andrew C. Sanders 2001-5-4 33723 Riverside Santa Rosa Plateau, eastern rim, north side of Avenida del Oro, just east of junction with Sandia Creek Drive, 2 miles west of junction of Rancho California Road and Route I-15. Elevation 1570 - 1670 feet. 509 Comment
  UC51614  Cercidium floridum subsp. floridum Jos. Burtt Davy 1902-4-2 8043 Riverside Salton Comment
  SBBG7866  Chaenactis carphoclinia C. H. Muller 1952-4-6 9506 Riverside ca. 1 mi N of S entrance to Joshua Tree Nat Monument Comment
  UC894420  Chaenactis carphoclinia var. carphoclinia Mary F. Spencer 1922-5-29 1756 Riverside nr Mecca; Painted Canyon -48 Comment
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Mar 24 2009
  HSC80313  Chaenactis fremontii R. F. Thorne, W. Wisura, A. Shmida, Robert Whittaker 1978-4-23 52039 Riverside Palm Desert Area; just E of Palm Desert Comment
  RSA161351  Chaenactis fremontii Percy C. Everett 1963-5-3 24493 Riverside Colorado Desert, Hwy 99, 2.7 miles NE of exit to 29 Palms & Yucca Valley. 30 Comment
  SEINET7988559  Chaenactis fremontii Ana Lilia Reina G. 2003-3-31 2003 -325 Riverside Palm Spring, Palm Spring 159 Comment
  UC64805  Chaenactis fremontii E. E. Schellenger 1904-4-10 76 Riverside bet. Whitewater and Banning; Colorado Desert Comment
  SEINET2030149 Image available Chaenactis glabriuscula Ynez Whilton Winblad 1941-5-27 s.n. Riverside San Juan Mountains, San Juan Canyon, highway 74 610 Comment
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Nov 8 2015
  UCR231816  Chaenactis glabriuscula Brent Barnes, A. C. Sanders, Giles Waines, UCR Plant Taxonomy Class 2007-5-12 14 Riverside Peninsular Range; San Jacinto Mtns., dirt forest service road north of Poppet Flats, west of Hwy 243 1253 Comment
  JEPS82355  Chaenactis glabriuscula var. glabriuscula L. R. Heckard 1969-4-24 2163 Riverside about 7 mi s of Sage (along Highway 79) Comment
  CAS-BOT-BC100679  Chaenactis parishii H. M. Hall 1899-5-24 1178 Riverside El Toro mt., Coyote [Canon] Canyon 1524 Comment
  JEPS30445  Chaenactis parishii Peter H. Raven 1959-5-18 14247 Riverside 0.9 mi s of Mountain Crater (on road to Aguanga); San Jacinto Mountains Comment
  UCR167062  Chaenactis stevioides Scott D. White 2005-3-29 10836 Riverside San Gorgonio Pass, Cabazon: alluvial fan and benches west of San Gorgonio river and south of I-10 fwy. west of existing gravel quarry, likely to be proposed for quarry expansion 598 Comment
  RSA432408  Chamaesyce Robert L. Dressler 1949-3-19 367 Riverside Box Canyon, Orocopia Mts. Comment
  RSA793471  Chamaesyce abramsiana Duncan S. Bell, Aaron Sedgwick 2012-9-13 4196 Riverside Hayfields Lake; eastern section of dry lake, approximately 3.75 air miles southeast of Hayfields pumping plant. 420 Comment
  RSA668235  Chamaesyce nutans A. C. Sanders 1994-11-8 15863 Riverside Sonoran (Colorado) Desert Coachella Valley, Palm Desert. Weeds in lawns & flower beds along a commercial strip on Hwy 111 between Hwy 74 and Sage Lane. 46 Comment
  RSA339255  Chamaesyce polycarpa R. F. Thorne, R. Dahlgren, Gertrud Dahlgren 1979-8-23 53601 Riverside Pinto Basin Road: Along road at meeting area of Mojave and Colorado Deserts 1098 Comment
  RSA594118  Chamaesyce polycarpa D. L. Banks 1996-4-8 0867 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW of the Cleveland National Forest and Agua Tibia Wilderness Area, NW Dorland Mountain Area, U.C. Emerson Preserve, S end of Los Caballos Road., Approximately 50 m inside the preserve boundary gate, 10 m NW of the main roads intersection with a small trailing heading to the W. 448 Comment
  SFV11875  Chamaesyce polycarpa R. H. Swade 1963-12-7 s. n. Riverside Colorado Desert Open desert west of Snow Creek Road, about 3 miles south of Interstate 10 intersection with California State Highway 111. 366 Comment
  RSA655403  Chamaesyce polycarpa var. polycarpa A. C. Sanders 1997-11-25 21623 Riverside Skinner/Domenigoni region, S of Hemet: Eastside Reservoir site, at N foot of eastern dam, E end of ''North Hills'', ca. 0.9 mi. NNE of site of Searl Ranch 530 Comment
  RSA586048  Cheilanthes clevelandii Darin L. Banks, Steve Boyd 1995-3-16 100 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, Arroyo Seco drainage. 554 Comment
  UC71520  Cheilanthes clevelandii Miss Alice King 1892-1 Riverside Comment
  RSA125966  Cheilanthes covillei E. K. Balls, Percy C. Everett 1957-11-4 22752 Riverside Snow Creek, about Old Fish Hatchery, N base San Jacinto Mtns. 701 Comment
  UC42439  Cheilanthes covillei Vasey Jr. Feb. 1881 13 Riverside Whitewater Comment
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Nov 29 2010
  UC811560  Cheilanthes covillei Ivan Johnston 1917-4-4 1113 Riverside Palm Canyon; Colorado Desert 762 Comment
  UCD137422  Cheilanthes covillei Geoffrey Levin 1976-3-27 697 Riverside Hills on south side of Chino Canyon. West of Palm Springs. San Jacinto Mts. 457 Comment
  CAS-BOT-BC70295  Cheilanthes newberryi Elmer I. Applegate 1893-4-23 s.n. Riverside East Riverside Comment
  RSA495802  Cheilanthes newberryi Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-11 2911 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 396 Comment
  UC42540  Cheilanthes newberryi Mrs. Gregory 1891-1 Riverside San Jacinto Mts Comment
  UCR97464  Cheilanthes newberryi B. G. Pitzer 1997-3-23 2999 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  UC123064 Image available Cheilanthes parishii S. B. and W. F. Parish 765 Riverside near Palm Sprngs (Andreas' Canyon, hills of desert e of San Bernardino) Comment
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May 12 2016
  UC812277  Cheilanthes parryi Lewis S. Rose 1938-12-17 38317 Riverside Palm Springs 152 Comment
  UCR41455  Cheilanthes parryi A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6133 Riverside Sonoran (Colorado) Desert, N foot of the Chuckwalla Mountains, 2.75 mi (airline) SE of Desert Center 367 Comment
  UCR91556  Cheilanthes parryi A. C. Sanders, G. K. Helmkamp, L. Lubinsky, C. L. Sanders 1995-1-29 15900 Riverside San Jacinto Mtns/Colorado Desert, Chino Canyon near Palm Springs, 1.8 mi above Palm Canyon Rd (Hwy111) on the rd to the tram station, vicinity of the upper end of the flood control dike 428 Comment
  RSA0047238  Cheilanthes parryi Jack Rempel 1934-3-3 s.n. Riverside Berdoo Canyon, Little San Bernardino Mountains. 671 Comment
  UCR126980  Chenopodium album A. C. Sanders 2002-12-13 25662 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons, basin W18 north of Trilogy Parkway 366 Comment
  UCR278885  Chenopodium album Mitch Provance 2011-6-9 17193 Riverside Santa Ana River Valley, Jurupa Valley, Pedley area, Horseshoe Lake, west of Van Buren Blvd., west of the corner and Studio Pl. and Lakeview Ave. 219 Comment
  UCR20418  Chenopodium ambrosioides Dr. H. de Forest, Jack Rempel 1933-10-29 s.n. Riverside San Jacinto Mountains, north base of mountains, Snow Creek Canyon 549 Comment
  SEINET238504  Chenopodium berlandieri A. C. Sanders, S. White; C. L. Sanders 1994-10-9 15817 Riverside San Bernardino Mountains: Whitewater Cyn. 2 mi. below trout farm above Bonnie Bell. 550 Comment
  UCR20856  Chenopodium incognitum A. C. Sanders 1978-8-25 0282 Riverside San Jacinto Mountains, James Reserve, above Lake Fulmor 1646 Comment
  UCR115144  Chenopodium missouriense Mitch Provance 2000-10-28 2269 Riverside Jurupa Hills, Sunnyslope, residential areas near the Ormand Quarry. 274 Comment
  UCR100216  Chenopodium murale Scott D. White 1996-12-26 4641 Riverside Perris Basin, Perris area 442 Comment
  RSA653338  Chenopodium pratericola Mitch Provance 2000-9-18 2265 Riverside Riverside: Prenda area, S side of Hermosa St., about 0.25 mile west of the intersection with Washington St., 33 deg 54' 02.5'' N, 117 deg 23'14.3'' W 185 Comment
  UCR116952  Chenopodium strictum var. glaucophyllum A. C. Sanders, T. B. Salvato 2001-5-3 24118 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR17116  Chilopsis linearis J. W. Stubblefield 1969-5-10 S.N. Riverside Little San Bernardino Mtns, Big Morongo Canyon. 1.7 mi E on jeep road from Indian Ave. 305 Comment
  UCSB12243  Chilopsis linearis Creighton, B. 1961-5-7 Riverside 3 miles northwest of Cathedral City and 4 miles southeast of Palm Springs, on State Highway 111, in the Coachella Valley 91 Comment
  OBI20566  Chilopsis linearis subsp. arcuata H. E. McMinn 1935-6-27 4074 Riverside Palm Springs Comment
  UC1125577  Chilopsis linearis subsp. arcuata H. S. Yates 1936-4-7 5418 Riverside near Palm Springs San Jacinto Quad. Comment
  UCR26377  Chimaphila menziesii A. C. Sanders 1981-7-11 2202 Riverside San Jacinto Mountains, Hall Canyon above the James Reserve 1768 Comment
  UCR127526  Chloris gayana Steve Morgan 1997-12-5 s.n. Riverside Riverside, weed in the UCR Botanical Garden, E side of the UCR campus, south of the pond, near the Rutaceae section, in cell blocks J8 & K8. 396 Comment
  RSA689435  Chloris truncata R. E. Riefner 2003-10-21 3 -461 Riverside Menifee Valley, along Newport Road 1 mi. E of Goetz Road intersection. 442 Comment
  SD255051  Chloris virgata Sarah J De Groot, Amy Rouillard 2015-9-15 7562 Riverside For Dry Lake, Chuckwalla Valley, north of I-10. Mud flat with some standing water at south edge of dry lake bed. 106 Comment
  CAS-BOT-BC191712  Chorizanthe brevicornu var. brevicornu Roxana S. Ferris; Rimo Bacigalupi 1958-3-19 13259 Riverside U.S. gypsum mine property in Little Maria Mts., 2.3 mi above Midland P.O. Comment
  JOTR16807  Chorizanthe brevicornu var. brevicornu Vanderspek & Nolte 1964-4-17 s.n. Riverside Joshua Tree National Park. Comment
  RSA226505  Chorizanthe brevicornu var. brevicornu C. W. Tilforth, John Dourley 1971-4-15 348 Riverside Between Chiriaco Summit and Red Butte Wash along aqueduct maintenance road. 534 Comment
  SBBG81486  Chorizanthe brevicornu var. brevicornu S. A. Junak 1983-3-23 1623 Riverside Jefferson Rd, across from entrance to Cahuilla Lake County Park, S of Indio Comment
  OBI82256  Chorizanthe leptotheca Lee A. Ripma 2008-6-25 130 Riverside Peninsular Ranges: San Jacinto Mts; Alvin Meadows (Blackburn Canyon) 7.5' Q. 1467 Comment
  POM14995  Chorizanthe leptotheca Mary F. Spencer 1922-6-24 1975 Riverside Tahquitz trail pr. Idyllwild. 1829 Comment
  POM158447  Chorizanthe leptotheca P. A. Munz 1927-5-21 10879 Riverside 10 miles SW of Coahuila [now Cahuilla]. Comment
  UC450104  Chorizanthe leptotheca F. M. Reed 1905-6-9 778 Riverside Riverside and vicinity 365 Comment
  UC455205  Chorizanthe leptotheca I. J. Condit 1910-6-24 Riverside road to Strawberry Valley (San Jacinto Mountains); San Jacinto Mountains 609 Comment
  UCR116533  Chorizanthe parryi A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24183 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  RSA525679  Chorizanthe parryi var. parryi Steve Boyd, Arnseth, Rasmussen, Cota 1990-5-3 4550 Riverside Vail Lake area, rolling terrain at jct of hwy R3 and Powerline Rd. NE of the lake. Comment
  UCR144413  Chorizanthe parryi var. parryi Scott D. White 2001-4-19 8380 Riverside Perris-Aguanga Basin, Perris / Sun City area. Just east of Goetz Road and south of Ethanac Road, c. 1.5 - 2.0 mi west of Interstate 215 473 Comment
  UCR22102  Chorizanthe parryi var. parryi Steve Boyd 1980-5-15 277 Riverside Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan plateau 625 Comment
  UCR260596  Chorizanthe parryi var. parryi A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41473 Riverside San Gorgonio Pass, north of San Gorgonio River wash, 3.1 miles due east of Cabazon, south of I-10 and 1.1 mi. ENE (77 deg. ) of water bottling plant, north edge of wind farm 451 Comment
  RSA500097  Chorizanthe polygonoides var. longispina Steve Boyd, Tim S. Ross, Laural Arnseth 1989-4-2 3213 Riverside Vail Lake Area, W end of bench on S flank of Oak Mt. 518 Comment
  SD225064  Chorizanthe polygonoides var. longispina D. Bramlet 1995-4-26 2396 Riverside Shipley Multi-species Reserve/Lake Skinner Co. Park: Approx 274 m. north of road BM 1487 and 549m. South of Tucalota Creek; South end of the equestrial trail on the upper end of a large epheneral wash. Bachelor Mountain 7.5 Quad 487 Comment
  RSA180496  Chorizanthe procumbens E. W. Lathrop 1960-6-9 4958 Riverside 14 miles west of Murrieta. Comment
  RSA784513  Chorizanthe procumbens Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 70 Riverside Crossing of Woodchunk road and 79 Hwy Comment
  UC665799  Chorizanthe rigida Ira L. Wiggins 1941-3-24 9583 Riverside along eastern side Salton Sea (1 mi n Imperial County line); eastern side Salton Sea Comment
  HSC85292  Chorizanthe staticoides Steve Boyd 1986-5-1 1812 Riverside Lower S slopes of Bachelor Mtn., E end of Lake Skinner Comment
  RSA757321  Chorizanthe xanti var. leucotheca Robert J. Steers, Stan C. Spencer, Matt Willis 2009-6-1 s.n. Riverside near the town of Cabazon, west side of the San Gorgonio River on the Morongo Indian Reservation, c. 0.2 mi. WSW of the corner of Dailey Rd. and Sullivan Rd. 675 Comment
  POM12872  Chrysolepis sempervirens P. A. Munz 1922-7-6 6018 Riverside Tahquitz Valley, San Jacinto Mts. 2226 Comment
  SD128238  Chrysolepis sempervirens R. Mitchel Beauchamp 1971-5-15 2413 Riverside Black Mountain campground, San Jacinto Mountains. 2207 Comment
  UCSB11821  Chrysolepis sempervirens Creighton, B. 1961-5-6 Riverside at upper end of road to Black Mtn. Lookout, which begins 6.5 miles northeast of Banning-IdylIwild road, 18.2 miles south of Banning, San Jacinto Mountains 2286 Comment
  CLARK-A1656-609  Chrysothamnus paniculatus Lois Ann Scott 1978-1-21 Riverside Desert Hot Springs Comment
  UCR99566  Chrysothamnus paniculatus B. G. Pitzer 1996-11-11 2930 Riverside Sonoran (Colorado) Desert, Orocopia Mts: Salt Creek Wash, at intersection w/ SR211, 4 rd. mi. south of Bob's Cabin 274 Comment
  CLARK-A1528-1739  Chrysothamnus teretifolius John C. Roos 1942-10-24 2577 Riverside Joshua Tree National Park 1523 Comment
  UCR269867  Chylismia brevipes A. C. Sanders, Jim Malusa 2016-3-18 42365 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  SDSU18673  Chylismia brevipes subsp. brevipes Michael G. Simpson, Kristen Hasenstab 2008-4-3 2957 Riverside Joshua Tree National Park. Wash, along trail to Cottonwood campground, ca. 0.2 mile south of campground, ca. 0.3 mile north-northwest of Cottonwood Spring. 918 Comment
  UCR279590  Chylismia brevipes subsp. brevipes A. C. Sanders, Jim Malusa 2017-3-28 43157 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  UC873921  Chylismia cardiophylla subsp. cardiophylla Ivan Johnston 1917-4-4 Riverside Palm Canyon Colorado Desert 304 Comment
  CAS-BOT-BC160610  Chylismia claviformis subsp. aurantiaca Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  UC1602062  Chylismia claviformis subsp. aurantiaca H. Lewis 1952-4-5 Riverside rd to 29 Palms 1 mi s road to Desert Hot Springs Comment
  RSA0070673  Cirsium occidentale var. californicum P. A. Munz, D. D. Keck 1923-6-14 7077 Riverside Santa Ana Mts. Glen Ivy Trail to Santiago Peak. 1524 Comment
  CAS-BOT-BC286460  Cirsium scariosum John Thomas Howell 1952-10-24 28865 Riverside South end of Santa Rosa Mts. Comment
  RSA438784  Cirsium scariosum Gale Sphon 1955-5-21 s.n. Riverside Hemet Meadow. Comment
  UCR27069  Cirsium scariosum T. P. Krantz 1982-5-25 s.n. Riverside Peninsular Range; San Jacinto Mtns., Baldy Mountain mesa above the west end of Garner Valley 1585 Comment
  RSA370864  Cirsium vulgare R. F. Thorne 1985-7-18 61280 Riverside De Luz; Arroya near Murrieta-Guava St. roads, a few miles S of Murrieta 385 Comment
  CAS-BOT-BC438848  Cistanthe monandra Ivan Johnston 1917-4-4 1109 Riverside Colorado Desert. Near Palm Springs Comment
  CAS-BOT-BC438860  Cistanthe monandra John Thomas Howell 1930-5-10 4806 Riverside At top of St. John's Grade Comment
  POM250482  Cistanthe monandra I. W. Clokey 1935-4-18 s.n. Riverside Gavilan Mesa. 600 Comment
  RSA387366  Cistanthe monandra Steve Boyd 1986-4-19 1701 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road. Comment
  UC667380  Cladium californicum Annie M. Alexander and Louise Kellogg 1941-5-17 2191 Riverside Old pond hear Dos Palmas; Colorado Desert Comment
  CLARK-A1528-3364  Clarkia dudleyana John C. Roos 1952-6-8 5752 Riverside Reche Canyon 518 Comment
  CLARK-A1528-2655  Clarkia purpurea Mark Wilson 1980-5-30 5-30- 80 /3 Riverside San Timoteo Canyon Comment
  HSC84170  Clarkia purpurea Karin Cleary 1987-5-20 38 Riverside Banning Bench, at the edge of the San Gragonio River Canyon, .8 km S of the end of the paved road on the Banning Bench Rd. 1213 Comment
  POM122448  Clarkia purpurea subsp. quadrivulnera Marcus E. Jones 1926-6-20 s.n. Riverside Near Banning. Comment
  RSA559449  Clarkia purpurea subsp. quadrivulnera Steve Boyd, T. S. Ross 1992-5-5 7219 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 732 Comment
  SBBG122773  Clarkia purpurea subsp. quadrivulnera A. Parikh 1990-4-26 158 Riverside S of Crown Valley, E of Rawson Cyn, 0.7 km ESE of intersection of Crown Valley Rd and Rawson Rd 660 Comment
Read comments
Apr 29 2011
  POM153216  Clarkia similis P. A. Munz 1927-5-20 10816 Riverside 10 miles S. of Hemet. Comment
  RSA522742  Claytonia parviflora subsp. parviflora Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-3-29 3849 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  SDSU13495  Claytonia perfoliata subsp. perfoliata Shawn Johnston, Calf. Plant Taxonomy Class Spring 2000 2000-4-1 15 Riverside Santa Margarita Ecological Reserve North End. Comment
  UCR16641  Claytonia perfoliata subsp. perfoliata H. C. Sharma 1976-4-26 760426- 04 Riverside about 3 miles south of Washington Street on the side of Mockingbird Canyon 335 Comment
  UC1608232  Clematis lasiantha Steve Boyd, Tim Ross, and Orlando Mistretta 1992-3-31 6758 Riverside Tenaja Trail from junction with Morgan Trail s. to Pigeon Spring area (San Mateo Canyon Wilderness Area); Santa Ana Mts., San Mateo Canyon Wilderness Area 670 Comment
  RSA386260  Clematis pauciflora E. S. Spalding 1925-6-12 s.n. Riverside Near Temecula. Comment
  SBBG114206  Clematis pauciflora C. Bornstein, E. Collins 1992-4-13 Riverside Hwy 74 (Ortega Hwy) near summit 762 Comment
  SD129279  Clematis pauciflora Steve Myers 1990-3-21 Riverside Santa Rosa Plateau area: along Los Gatos Road, 1/2 mi. S of Buena Vista Road (2 mi. W of Sandia Canyon, & 0.1 mi. N of San Diego County line). 366 Comment
  UC729660  Clematis pauciflora Carl B. Wolf 1932-5-25 3668 Riverside just above fish hatchery Snow Creek Canyon (n. base of San Jacinto Mts.); San Jacinto Mts., Snow Creek Canyon 670 Comment
  RSA556486  Cleome isomeris Julie Greene 1993-3-13 1050 Riverside West of Poleline Rd. 457 Comment
  CAS-BOT-BC214180  Clinopodium chandleri E. W. Lathrop 1966-5-8 6265 Riverside 3 miles SW of Murrieta Comment
  CLARK-A1528-5638  Coldenia canescens John C. Roos 1948-5-15 3859 Riverside Eagle Mountains Comment
  RSA0117439  Collinsia concolor Scott D. White, Michael Honer 2003-4-9 8995 Riverside Gavilan Hills: About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak '2349.' 549 Comment
  SD129528  Collinsia concolor Miles Fellows 1985-4-9 143 Riverside Oasis de Los Osos Preserve of The Nature Conservancy, Snow Creek Canyon, at the N foot of the San Jacinto Mountains, above old house site Comment
  UCR23209  Collinsia concolor J. C. Lyman 1981-5-31 s.n. Riverside San Jacinto Mtns., May Valley Road, Idyllwild 1768 Comment
  RSA408265  Collinsia heterophylla Anstruther Davidson s.n. Riverside Corona Comment
  UCR133441  Collinsia heterophylla Jeffrey Ross, T. Tennant, G. White 1998-5-21 MOR- 203 Riverside San Bernardino Mtns., Morongo Indian Reservation, Hathaway Canyon, c. 0.55 miles of the junction of the lower and upper canyons 1040 Comment
  SD152750  Collinsia parryi Steve Boyd, Orlando Mistretta 1992-4-23 7072 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wolderness, Along San Mateo Creek from Riverside County Line, following San Mateo Trial upstream to the confluence with Bluewater Canyon 244 Comment
  JEPS71026  Collomia grandiflora M. French Gilman 753 Riverside San Jacinto Mts. Comment
  POM48732  Collomia grandiflora P. A. Munz, I. M. Johnston 1924-7-29 8827 Riverside 5 miles SE of Poppet Flat, San Jacinto Mtns. 1372 Comment
  RSA554247  Colubrina californica Theo Glenn 1991-5-14 91 -46 Riverside W side of Little Maria Mountains, NW of Blythe. 309 Comment
  UCR211504  Colubrina californica Jim Andre, T. La Doux 2008-9-13 10276 Riverside Sonoran (Colorado) Desert, Eagle Mountains at Joshua Tree National Park boundary, along aqueduct access road 355 Comment
  RSA791581  Colubrina californica D. Silverman, M. Bibbo 2010-3-31 7898 Riverside East flank of southern McCoy Mountains, 2.9 km west of Black Creek Road, 5.8 km northeast of McCoy Peak, and 7 km north of I-10. 195 Comment
  UCR115163  Commelina benghalensis Mitch Provance 2000-10-28 2291 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 290 Comment
  RSA0093968  Condalia globosa var. pubescens A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40508 Riverside Sonoran (Colorado) Desert. Chuckwalla Bench, south of the Chuckwalla Mtns., along Bradshaw Trail 1 km SE of Augustine Rd. junction, large wash on SW side of road. 695 Comment
  SBBG71930  Condea emoryi M. N. Ackley -Feb-1926 484 Riverside Mecca -60 Comment
  RSA522703  Convolvulus simulans Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3890 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  UCR205452  Convolvulus simulans Annie L. Bustamante 2008-3-24 110 Riverside Perris-Hemet Basin, C. 100 m west of Briggs St., c. 1 km south of Scott Rd. 432 Comment
  UCR77715  Convolvulus simulans Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6126 Riverside Peninsular Range, Vail Lake area, summit of Oak Mtn, north of lake near Henderson benchmark 823 Comment
  UCR102819  Conyza bonariensis A. C. Sanders 1997-3-19 20062 Riverside Lake Skinner area, upper Rawson Canyon, west of Black Mountain, along the road from Lake Skinner 549 Comment
  RSA717578  Conyza coulteri A. C. Sanders 2004-5-11 27844 Riverside Elsinore Basin Region: Alberhill Mountain, former clay mine area ca. 1 mile SE of Alberhill 439 Comment
  UCR140710  Conyza coulteri A. C. Sanders 2004-5-11 27844 Riverside Elsinore Basin Region, Alberhill Mountain, former clay mine area c. 1 mile SE of Alberhill 439 Comment
  POM48905  Cordylanthus nevinii Philip A. Munz, I. M. Johnston 1924-7-27 8755 Riverside Dark Canyon, San Jacinto Mts. 1829 Comment
  RSA0010994  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Colleen Wheeler 2010-7-19 1625 Riverside San Bernardino National Forest: Garner Valley, trail to Tool Box Spring, approximately 3.1 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1440 Comment
  RSA0010995  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Colleen Wheeler 2010-7-19 1634 Riverside San Bernardino National Forest: Garner Valley, approximately 1.9 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1376 Comment
  RSA412304  Cordylanthus rigidus subsp. setiger N. C. Cooper 1943-9-11 892 Riverside San Jacinto Mountians, Idlewild. 1829 Comment
  POM355979  Coreopsis bigelovii Ora M. Clark 1929-3-17 1709 Riverside NW Whitewater, Colorado Desert. Comment
  CAS-BOT-BC287876  Coreopsis californica C. L. Hitchcock; C. V. Muhlick 1964-3-17 23091 Riverside 3 miles SE of Glen Ivy Hot Springs Comment
  POM356007  Coreopsis californica Ora M. Clark 1929-3-2 1608 Riverside Near Alberhill. Comment
  RSA387392  Coreopsis californica Steve Boyd 1986-4-10 1641 b Riverside Temescal Canyon: along DePalma Raod between Indian Truck Trail and Horsethief Canyon. Comment
  UCR67362  Coreopsis californica Steve Boyd, T. S. Ross, L. Arnseth 1990-3-30 3974 Riverside Peninsular Range, Vail Lake area, valley between Black Hills & Rocky Ridge 701 Comment
  UC1262274  Coreopsis californica var. californica C. W. Tilforth, J. Dourley, W. Wisura 1978-3-10 1502 Riverside 5 mi mw of Alberhill (along Hiway 71) 365 Comment
  LA99062  Corethrogyne filaginifolia E. R. Hobbs; G. Malanson, Walt Westman 1978-9-30 78- 132 Riverside Cortrite Avenue, Homeland Comment
  POM10303  Corethrogyne filaginifolia F. M. Reed 1907-10-20 1980 Riverside Columbia Ave, near Spanishtown Road Comment
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Nov 30 2009
  UCD130861  Corethrogyne filaginifolia R. N. Raynor 1933-3-31 s.n. Riverside Moreno Valley. Comment
  UCSB6470  Corethrogyne filaginifolia Kamb, Peter 1948-10-21 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  SEINET4565651 Image available Corethrogyne filaginifolia var. brevicula Philip A. Munz 1938-1 15383 Riverside Santa Rosa Mountains; ridge East of Toro Peak 2438 Comment
  CSUSB1371  Cornus nuttallii Frank C. Vasek 1964-7-25 Riverside San Jacinto Mountains San Jacinto Mountains. Dark Canyon, near Wet Canyon campground. Comment
  CAS-BOT-BC210460  Cornus sericea subsp. occidentalis Robert F. Thorne; J. P. Simon; C. W. Tilforth 1969-6-24 38153 Riverside San Bernardino National Forest, San Jacinto Mts.: Lake Fulmor 1676 Comment
  UC84529  Cotula coronopifolia Stephens 1895-3-31 Riverside Palmetto Springs [Palm Springs] Comment
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Apr 17 2011
  SD262269  Crassula aquatica Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317 34 Riverside Perris - Aguanga Basin: Menifee, SE corner of Musick Rd. and Murrieta Rd. Vernal pool. 454 Comment
  UCR60657  Crassula aquatica R. F. Thorne 1973-5-23 43849 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  HSC6503  Crassula connata C. L. Hitchcock 1966-3-15 24149 Riverside 1 mi. E of Glen Ivy Hot Springs Comment
  RSA423453  Crassula connata N. C. Cooper 1944-4-23 1158 Riverside Banning 701 Comment
  UCR230201  Crassula connata A. C. Sanders 2011-4-6 38993 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  CAS-BOT-BC427941  Crassula tillaea A. C. Sanders; T. B. Salvato 2001-5-3 24102 Riverside Perris-Aguanga Basin region: Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley. 518 Comment
  CLARK-A1045-300  Crepis capillaris George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep canyon; ; Palm Desert 15'Q Comment
  POM129654  Cressa truxillensis J. D. Abrams 1900-05 11204 Riverside Elsinore Comment
  UCR272487  Cressa truxillensis Mitch Provance 2013-6-16 613- 19 Riverside Santa Ana River Valley, City of Riverside, Arlanza neighborhood, Foothill Elementary School on Wells Avenue, about 0.4 mi W of Van Buren 226 Comment
  UCR280823  Cressa truxillensis T. B. Salvato, Gregg Miller 2005-6-3 1367 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River c. 2.5 mi SSW of Perris, 1.5 mi downstream of Goetz Road where the river leaves the Perris Plain and enters the hill area above Railroad Canyon 427 Comment
  RSA124432  Crossosoma bigelovii Percy C. Everett, E. K. Balls 1958-5-4 23080 Riverside Morongo Pass, 7.6 mi. N along road to 29 Palms from U.S. Hwy 60/70. 671 Comment
  SD187396  Croton californicus Scott D. White, Angelia Carey 2004-5-7 10312 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills, along stream 548 Comment
  SD80025  Croton californicus Nancy R. Zabriskie, Walter Zabriskie 1970-3-29 279 Riverside Andreas Canyon Club Gate on South Palm Canyon Drive, Palm Springs. 170 Comment
Read comments
Apr 17 2011
  UCR226995  Croton californicus Jim Andre 2011-2-2 16215 Riverside Coachella Valley, west of Palm Springs along Hwy 111 (south side) at base of San Jacinto Mtns at Windy Point 5.5 mi from junction with Hwy I-10 259 Comment
  UCR178571  Croton californicus var. mohavensis R. G. Swinney 1967-2-4 0011 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 305 Comment
  SD229138  Croton setiger Dick Schwenkmeyer 2012-10-16 934 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 505 Comment
  UCR155303  Croton setiger A. C. Sanders 2005-5-4 29840 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  UCR135708  Cryptantha Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9026 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 Comment
  SEINET6971882  Cryptantha W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Just west of Perris at base of Gavilan Hills. Comment
  RSA0021553  Cryptantha angustifolia Duncan S. Bell 2012-3-4 3137 Riverside Arica Mountains; along old railway line about 4.5 air miles south of the ghost town of Rice. 217 Comment
  SD227778  Cryptantha angustifolia Scott D. White, Pam Devries 1998-2-6 6082 Riverside La Quinta/Palm Desert Area: Whitewater River Channel at and near Miles Ave. crossing. 17 Comment
  UCR245947  Cryptantha angustifolia Duncan S. Bell 2009-3-8 54 Riverside Arica Mountains, east side of range, c. 1.8 air miles NW of Priest Well 350 Comment
  UCR34446  Cryptantha angustifolia George K. Helmkamp 1983-4-5 483 33 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  UCR85434  Cryptantha angustifolia George K. Helmkamp 1994-4-26 88 6 Riverside Western Colorado Desert, Indio Hills; north of the landfill on Edom Hill 213 Comment
  SD126018  Cryptantha barbigera A. C. Sanders 1988-5-11 7797 Riverside Chocolate Mountains, Iris Pass area,12 miles above the Coachella Canal in a wash east of the gasline road from Niland 550 Comment
  UCR165812  Cryptantha barbigera John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  UCR6095  Cryptantha barbigera Barry A. Vittor 1966-3-11 s.n. Riverside Western Colorado Desert, Rancho Dos Palmas, 2 miles NE of Salton Sea State Park 30 Comment
  SEINET10455562  Cryptantha barbigera A. K. Evans 1976-4-13 Evans 5186 Riverside Rocky slopes of Santa Rosa mountains. Comment
  UCR246835  Cryptantha barbigera var. barbigera Jim Andre 2012-3-19 21305 Riverside Sonoran (Colorado) Desert, north end of Orocopia Mountains, 0.5 mi. south of junction of Box Canyon Rd and I-10 Fwy, 23 miles east of city of Coachella 470 Comment
  JEPS67519  Cryptantha circumscissa Marjorie D. Clary 1932-5-26 1170 Riverside Pleasant Valley Hexie Mts. Comment
  UCR92342  Cryptantha corollata Scott D. White, T. Keeler-Wolf 1994-5-8 s.n. Riverside San Jacinto Mtns, Foothills, San Jacinto River wash at eastern edge of Valle Vista 549 Comment
  RSA699333  Cryptantha decipiens J. R. Bruff 1928-4-2 s.n. Riverside Canyon wash 1 mile west of Morengo. Comment
  RSA777535  Cryptantha decipiens Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 915 Riverside East Mojave Desert region: McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 335 Comment
  PASA1985  Cryptantha intermedia 1928-3-3 Riverside near Whitewater Comment
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Jun 24 2016
  POM146228  Cryptantha intermedia F. M. Reed 1927-5-8 5310 Riverside Hills south of Perris Comment
  RSA488928  Cryptantha intermedia D. C. Hawks 1988-4-2 s.n. Riverside Tule Creek drainage, 1.75mile airline NE of Aguanga, SE of intersection of Dove and Sycamore Streets, S of Hwy 371. 762 Comment
  RSA586729  Cryptantha intermedia D. L. Banks, S. D. Boyd 1995-5-17 452 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. 598 Comment
  RSA650991  Cryptantha intermedia C. S. Papp 1965-6-13 848 Riverside Idyllwild. 1828 Comment
  SBBG32018  Cryptantha intermedia V. Manns 1963-4-6 630406 #8 Riverside Hwy 74, ca. 15 mi above Hemet at 4000 ft elevation marker 1219 Comment
  SEINET244864  Cryptantha intermedia Ian G. Gillespie 2000-4-27 30 Riverside Temescal Valley; 0.9 mi SE of Indian Truch Train and 30 m S of DePalma Road. 412 Comment
  SEINET8546022  Cryptantha intermedia var. intermedia I. W. Clokey 1935-4-18 6761 Riverside Gavilan Mesa. 700 Comment
  RSA779597  Cryptantha maritima Duncan S. Bell 2009-3-7 24 Riverside Arica Mountains: collecting on the ridgeline of the mountain range just north of the summit along the border of the Palen/McCoy Wilderness area. 614 Comment
  HSC3581  Cryptantha micrantha R. A. Eagle 1963-4-8 8 Riverside San Jacinto Mtns., 3 mi. out of Banning Comment
  SEINET9315890  Cryptantha micrantha Unknown 1976-5-3 Riverside Red Mountain Road. Comment
  UC1563096  Cryptantha micrantha Steve Boyd and Orlando Mistretta 1986-3-13 1429 Riverside ne of Desert Center (jct of Parker Dam Rd and Palen Rd (rd going through pass between Palen and Granite Ranges)); Palen Mountains 243 Comment
  POM12212  Cryptantha micrantha var. lepida Mary F. Spencer 1921-6-2 1864 Riverside Idyllwild, San Jacinto Mt. 1615 Comment
  POM13688  Cryptantha micrantha var. lepida E. C. Jaeger 1921-6-20 s.n. Riverside Caramba., [Caramba Camp, 5.5 mi southwest of Palm Springs, lat/long and T/R/S below from Durham 1998: Calif. Geogr. Names; elev from Jaeger s label] 1707 Comment
  POM46993  Cryptantha micrantha var. lepida Mary F. Spencer 1919-6-29 1301 Riverside Idyllwild. 1616 Comment
  RSA164774  Cryptantha micrantha var. lepida Wesley O. Griesel 1962-6-29 718 Riverside San Jacinto Mountains: Dark Canyon. 1921 Comment
  RSA757924  Cryptantha micrantha var. micrantha LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4359 a Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  RSA543895  Cryptantha micromeres Steve Boyd 1991-5-20 6274 Riverside Santa Ana Mountains, NW of Lake Elsinore. Lower Rice Cyn, just inside Cleveland Nat. For. boundary. 573 Comment
  JEPS122475  Cryptantha muricata var. jonesii J. M. Andre 2012-6-15 30532 Riverside San Jacinto Mountains; along Highway 243, 10.7 miles south of Interstate 10 (Banning), San Bernardino National Forest. Lake Fulmor 7.5' Q. Comment
  RSA0079562  Cryptantha muricata var. jonesii C. B. Wolf 1932-8-6 s.n. Riverside Roadside 2.9 mi From Idyllwild on the road to Hemet. San Jacinto Mts. 1220 Comment
  SBBG101669  Cryptantha muricata var. muricata S. Boyd 1991-5-20 6276 Riverside NW of Lake Elsinore, lower Rice Cyn, just inside Cleveland Nat For boundary 573 Comment
  SBBG28428  Cryptantha muricata var. muricata D. Myrick 1964-4-30 833 Riverside Pines to Palms Hwy 74, 15 mi W of Palm Desert 1219 Comment
  SD247358  Cryptantha nemaclada T. B. Salvato, John F. Green 2004-5-27 571 Riverside San Bernardino Mountins; head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1.0 mile SE of Oak Glen Conservation Camp. 1341 Comment
  RSA0106708  Cryptantha nevadensis Duncan S. Bell, Amanda Turek 2010-4-9 758 Riverside East side of the Arica Mountains, near the center of the range; approx. 1.75 air mile west of Priest Well. 439 Comment
  UCR19091  Cryptantha pterocarya var. cycloptera John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, rocky canyon 2.5 miles SE of Desert Center 610 Comment
  RSA0079104  Cryptantha pterocarya var. pterocarya Duncan S. Bell 2010-4-2 703 Riverside Arica Mountains: along jagged ridgeline of mountain range; in the Palen/McCoy wilderness. Collecting on a sand ramp located just below the ridgeline on the eastern side that was trapped between the ridgeline and the steep narrow rocky canyons below it. 595 Comment
  RSA499795  Cryptantha racemosa Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  RSA192295  Cucurbita foetidissima H. A. Zuill 1966-6-27 248 Riverside 2 - 4 miles WSW of Murrieta. Comment
  UCR41332  Cucurbita foetidissima N. M. Fellows, A. C. Sanders 1985-5-7 171 Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  RSA614098  Cucurbita palmata A. C. Sanders, T. Tennant 1997-11-14 21600 Riverside San Bernardino Mtns: Morongo Indian Reservation, sag pond at SE end of Burro Flats. 1110 Comment
  RSA792480  Cucurbita palmata Justin M. Wood, Dustin Ray 2011-4-28 3849 Riverside Sonoran Desert: Chuckwalla Valley; Eagle Mountain Road, 2.8 miles west of Desert Center and 0.9 miles north of I-10. 312 Comment
  UCR37448  Cupressus sempervirens Steve Boyd 1981-2-2 s.n. Riverside Gavilan Hills, upper Arroyo del Toro along old road grade (Lindell Rd.) west of Bull Canyon Road, at old homestead site 610 Comment
  POM198070  Cuscuta californica Joseph A. Ewan 1932-3-11 7095 Riverside Deep Canyon wash Comment
  UC1292594  Cuscuta californica C. L. Hitchcock and C. V. Muhlick 1964-3-17 23076 Riverside 8 mi se Corona (along road to Elsinore) Comment
  CAS-BOT-BC224592  Cuscuta californica var. papillosa S. B. Parish 1896-4-1 4130 Riverside Palm Springs, Colorado Desert Comment
  RSA49307  Cuscuta subinclusa Duncan S. Bell, Colleen Wheeler 2010-7-19 1632 Riverside San Bernardino National Forest: Garner Valley, approximately 2.8 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1383 Comment
  RSA725869  Cymbopogon citratus Michael L. Fugate 2007-3-23 s.n. Riverside Riverside, residence at 1469 Claymore Court, just east of Sycamore Canyon 488 Comment
  CLARK-A1528-1432  Cymopterus panamintensis var. acutifolius John C. Roos 1948-5-15 3842 Riverside Eagle Mountains Comment
  UCR104908  Cynodon dactylon A. C. Sanders 1997-3-19 20039 Riverside Lake Skinner area, Lake Skinner, NW shore near inlet, SW foot of Bachelor Mtn 445 Comment
  CAS-BOT-BC114541  Cyperus eragrostis Scott D. White 1996-9-22 4540 Riverside Perris: Nuevo Road near intersect. w/Wilson Ave., W of the San Jacinto Riv crossing. 432 Comment
  RSA522098  Cyperus eragrostis Steve Boyd, Timothy S. Ross 1989-8-28 3791 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  RSA597789  Cyperus involucratus Scott D. White 1996-3-31 3853 Riverside Bundy Canyon, SE of Lake Elsinore; ca 1 road mile (ca 0.2 mile) E of Bundy Canyon Road exit from Hwy I-15. 451 Comment
  SEINET9886881 Image available Cyperus squarrosus Andrew C. Sanders, T. B. Salvato, E. J. Lawlor, C. L. Sanders, et al 1999-8-22 23063 Riverside San Jacinto Mtns.; NW shore of Lake Hemet, at Forest Service day use area; TRS: 6S 3E 8 NW/4 1322 Comment
  UC489200  Cystopteris fragilis C. V. Meyer 1928-7-27 555 Riverside San Jacinto Peak 3291 Comment
  UCR235348  Dalea Kai T. Palenscar 2010-7-22 s.n. Riverside Riverside, UCR Agricultural Operations fields, near office off M.L. King Blvd., along main E-W road beside canal 311 Comment
  JOTR31892  Dalea mollis La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2142 Riverside Joshua Tree National Park. West Cottonwood Mountains; east edge of Pinkham Wash, east of Pinkham Canyon Road; loose, cobbley, south facing slope above large drainage Comment
  JOTR32024  Dalea mollis La Doux, Tasha, T. Herskovits, M. Harding 2011-4-21 2254 Riverside Joshua Tree National Park. Pinto Basin, south of Sand Hill; gravelly slopes and benches (developing desert pavement) interspersed with sandy pockets (Stop 2) 495 Comment
  RSA498344  Dalea mollis Robert L. Dressler 1949-3-19 386 Riverside Box Canyon, Orocopia Mts. Comment
  CLARK-A1528-5674  Dalea mollissima John C. Roos 1937-4-24 764 Riverside Sheep Hole Mountains Comment
  SEINET2061476 Image available Dalea mollissima A. C. Sanders, et al. 1986-3-2 6067 Riverside Chuckwalla Valley, ca. 1/2 mile W of Graham Pass, on powerline road 1/2 mile S of old Hwy 60. 134 Comment
  UCR233939B  Dalea mollissima Duncan S. Bell 2011-10-22 2982 B Riverside Sonoran (Colorado) Desert, Arica Mountains, west side of range, c. 2.6 air miles west of Priests Well, c. 6.8 air mi. SW of Rice 437 Comment
  UCR23746  Datura discolor John C. Roos 1965-11-6 s.n. Riverside Sonoran (Colorado) Desert, 26 mi west of Blythe 115 Comment
  RSA421894  Datura wrightii Jeannette B. Edge 1934-3-25 18930 Riverside Jurupa Mts. 366 Comment
  RSA772847  Datura wrightii Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4844 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  UCR223967  Daucus pusillus A. C. Sanders 2011-3-23 38803 Riverside Peninsular Range; Gavilan Hills Region, powerline corridor, SW of Perris, east of Hwy 74 between the highway and the San Jacinto River, south of Ethanac Rd. 440 Comment
  UCR260562  Daucus pusillus T. B. Salvato 2015-4-2 8106 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully 537 Comment
  JEPS122468  Deinandra kelloggii J. M. Andre 2012-6-15 30542 Riverside San Jacinto Mountains; west slopes of range slong Poppet Flat Road, Poppet Creek Canyon, 3.2 miles west of Highway 243. Lake Fulmor 7.5' Q. Comment
  UCR256522  Deinandra paniculata R. E. Riefner Jr. 2014-8-27 14- 304 Riverside City of Riverside, Moreno Valley, Box Springs Blvd. at Sycamore Canyon Blvd., west of 215 Freeway 483 Comment
  SD128263  Delphinium parishii subsp. subglobosum R. Mitchel Beauchamp 1971-5-16 2426 Riverside Santa Rosa Mountains, north side among shrubs, Ribbonwood. 1175 Comment
  CLARK-A1528-783  Delphinium parryi C. M. Flanagan 1973-5-31 OO 607 Riverside Morongo Indian Reservation 0 Comment
  JEPS57293  Delphinium parryi subsp. parryi L. R. Heckard and R. C. Bacigalupi 1968-5-5 1801 Riverside about 5 mi s Hemet (low hills at s edge of Valley); Diamond Valley 518 Comment
  RSA0020474  Delphinium parryi subsp. parryi Scott D. White, Justin M. Wood 2009-5-21 12846 Riverside San Jacinto Mountains: McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  UCR85536  Deschampsia danthonioides A. C. Sanders 1993-4-5 13696 Riverside San Jacinto Valley, west edge of Hemet, along south side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and north of Florida Ave./ Hwy 74 460 Comment
  POM48364  Deschampsia elongata P. A. Munz 1924-7-27 8788 Riverside Dark Canyon, San Jacinto Mountains. 1981 Comment
  RSA0123288  Descurainia pinnata subsp. glabra Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 9001 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  UC75766  Descurainia pinnata subsp. menziesii Miss M. Alice King Mar 1893 Riverside Menifee Comment
  RSA673478  Dicentra chrysantha Scott D. White, Tasha La Doux 2000-4-20 7680 Riverside South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills. 610 Comment
  UCR154396  Dicentra chrysantha A. C. Sanders, Mike Misenhelter 2005-6-15 30946 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  UCR136256  Dichelostemma capitatum A. C. Sanders 2004-4-20 27565 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  RSA512761  Dichelostemma capitatum subsp. capitatum Walter Wisura, Bart O Brien, Durant 1990-6-12 4442 Riverside Ortega Highway 2.8 miles from T-junction S of Lake Elsinor, in burned area. Comment
  RSA649288  Dichelostemma capitatum subsp. capitatum Bruce H. Lewis 1970-3-9 27 Riverside Collected 1 mi. south of Temecula on a dirt road, an area south of the State College property. 548 Comment
  UCR188671  Dichelostemma capitatum subsp. capitatum Amanda Lovelady, Tina Hofmann 2007-5-20 29 Riverside Peninsular Range; Santa Ana (Elsinore) Mtns., c. 4 miles SW of city of Lake Elsinore, Cleveland National Forest, Morgan Trailhead at Main Divide Truck Trail, and surrounding area, between heads of Morrell and Decker Canyons 854 Comment
  UC1930086  Dichelostemma pulchellum Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10489 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  OBI36067  Dieteria canescens var. ziegleri J. Derby, T. Krantz 1977-10-1 s.n. Riverside Santa rosa Mt., along road to Santa Rosa summit 2073 Comment
  SEINET14595947  Diplacus brevipes Teresa Nieto 2005-1 03 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, ca. 8 miles southeast of Temecula, S of Hwy 79 at E end of Puaba Valley, end of Los Caballos Road in vicinity of water tank 457 Comment
  RSA0019412  Diplacus fremontii P. A. Munz 1924-5-18 8137 Riverside 18 miles S of Banning on Idyllwild Road. 1524 Comment
  UCR216217  Ditaxis californica Jim Andre, T. La Doux 2009-2-25 10802 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains; c. 0.5 mi. south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  UCR180228  Ditaxis neomexicana Scott D. White, Pam Devries 2006-3-14 11255 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, a few mi east of Indio, at proposed I-10 Freeway/ McNaughton Parkway interchange, north of the I-10 Freeway 152 Comment
  RSA530742  Dithyrea californica M. B. Dunkle 1935-3-17 4396 Riverside Desert Center. 610 Comment
  RSA66544  Dithyrea californica F. W. Peirson 1920-2-14 4178 Riverside Whitewater Station, Colorado Desert Comment
  UC10263  Dithyrea californica S. B. Parish Apr 4 1896-Apr 13 1896 4107 Riverside Palm Springs (Agua Caliente) San Jacinto Mt. 152 Comment
  UC205844  Dithyrea californica S. B. Parish 1919-3-27 19192 Riverside Whitewater <?> Colorado Desert 304 Comment
  UC61578  Dithyrea californica Dr. R. J. Smith March 1904 100 Riverside White Water 335 Comment
  UCR196385  Dithyrea californica Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Pesach Lubinsky 2005-2-10 1427 Riverside Northeastern Colorado Desert, along Palen Pass Road, near Hwy 177 170 Comment
  UCR50296  Dithyrea californica B. G. Pitzer, S. J. Myers, J. Wilkinson 1988-2-21 s.n. Riverside Sonoran (Colorado) Desert, S end of Coxcomb Mtns, 0.2 mi. north of Hwy 177 (Old Desert Center - Rice Road), at 10.6 mi. NE of Desert Center 229 Comment
  SEINET5342919  Dithyrea californica E. Neese 1979-4-10 7065 Riverside Joshua Tree Nat. Mon. s of Twenty-Nine Palms, between Pinto Basin jct and Cottonwood Wash. 305 Comment
  UCR223981  Dittrichia graveolens Lee Jones 2010-11-19 s.n. Riverside Beaumont, San Timoteo Canyon Rd. at entrance to golf course maintenance bldg., c. 1.8 mi. west of intersection with I-10 701 Comment
  UCR48356  Dodecatheon clevelandii Steve Boyd 1986-3-9 1401 Riverside Peninsular Range, Temescal Canyon, between Indian Truck Trail & Horsethief Wash 367 Comment
  POM9555  Dodecatheon clevelandii P. A. Munz, Harwood 1920-2-28 3230 Riverside 2 mi. southwest of Corona. 305 Comment
  UC64193  Draba cuneifolia H. M. Hall 1897-2-27 366 Riverside Rawson Comment
  RSA451889  Drymocallis glandulosa var. glandulosa N. C. Cooper 1949-6-29 4347 Riverside Pine Cove Comment
  IRVC146  Dryopteris arguta M. Savage 1965-4-24 s.n. Riverside [E of Mountain Center] Route 74; Keen Camp Summit. Peninsular Ranges, San Jacinto Mountains Comment
  UCR138610  Dryopteris arguta D. L. Banks 1996-11-7 1191 Riverside Peninsular Range; Agua Tibia Mountains, NW Palomar Mountains: Pechanga Indian Reservation, east of San Gabriel Church. At the end of the main road in the Reservation, c. 150 m NW of the spring on the N fork of Pechanga Creek, at the E end of the Reservation 473 Comment
  UCR251865  Dryopteris arguta M. A. Voeltz 2014-5-25 s.n. Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon near Corona, Cleveland National Forest, Trabuco Ranger District 403 Comment
  RSA304575  Dudleya abramsii A. C. Sanders 1981-7-11 2205 Riverside Bull Canyon Road just inside the Forest Service boundary. Comment
  CAS-BOT-BC411414  Dudleya lanceolata Reid Moran 1946-5-25 2057 Riverside S slope of Box Springs Mountain 548 Comment
  RSA680519  Dudleya lanceolata Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8634 -B Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  RSA192089  Dudleya pulverulenta E. W. Lathrop 1966-5-15 6317 Riverside 3 miles SE of Murrieta on the De Luz Road. Comment
  CLARK-A1528-1173  Dudleya saxosa subsp. aloides Sally Bell 1964-5-3 Riverside 761 Comment
  POM229008  Dudleya saxosa subsp. aloides P. A. Munz 1937-5-30 15132 Riverside Dos Palmos Spring, north end of Santa Rosa Mountains. 1098 Comment
  RSA397782  Dudleya saxosa subsp. aloides Jack Rempel 1933-3-26 17583 Riverside Near Morongo Valley. Comment
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Jun 14 2012
  RSA696228  Echinocactus cylindraceus Keith E. Hoffmaster 1933-4-13 s.n. Riverside Palm Springs. Comment
  RSA0125230  Echinocereus engelmannii var. engelmannii Leland Lubinsky, LeRoy Gross, Victor Steinmann 2005-2-17 s.n. Riverside Chuckwalla Mountains: Along wash above Corn Springs Campground. 503 Comment
  RSA737219  Echinochloa crus-galli Justin M. Wood 2008-9-30 177 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR59234  Echinochloa crus-galli Jeri Hirshberg 1989-7-20 s.n. Riverside Diamond Valley, south of Newport Road, near Searl Ranch. Comment
  JEPS20696  Eclipta prostrata S. B. Parish 1912-10-2 8362 Riverside Mecca -57 Comment
  UC581339  Eclipta prostrata George Black 1937-11-26 Riverside Riverside, canal along Santa Fe tracks near Pachappa Station Comment
  RSA725941  Ehrharta longiflora Tom Chester 2005-4-20 581 Riverside Santa Margarita Ecological Reserve: Temecula Gorge, south side 239 Comment
  SDSU14317  Ehrharta longiflora Ingrid Poulin, Dr. M. G. Simpson & Biology 531, class of Spring 2002 2002-4-20 25 Riverside Santa Margarita Ecological Reserve - Northside; bank of Santa Margarita River. 229 Comment
  SD204871  Elatine californica R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-6-5 55207 Riverside Peninsular Ranges; Santa Ana Mountains region: Southwest of Murrieta. Santa Rosa Plateau, Mesa de la Punta near southern edge of plateau, approached from De Luz road. 579 Comment
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Mar 31 2015
  RSA788870  Eleocharis G. D. Wallace 2003-7-8 4032 Riverside Hidden Lake. Comment
  CAS-BOT-BC113602  Eleocharis acicularis H. M. Hall 1901-7-9 2366 Riverside In meadows and bogs of Tahquitz Valley. 2438 Comment
  UCR232773  Eleocharis acicularis William Schlegel, Andrew Troutte, Jordan Zylstra 2008-8-29 015 Riverside Peninsular Range; San Jacinto Mtns., Skunk Cabbage Meadow 2449 Comment
  CAS-BOT-BC113327  Eleocharis montevidensis R. F. Thorne; E. Lathrop 1969-6-6 39345 Riverside Santa Rosa Plateau: Rancho California, shallow water of small stream. 609 Comment
  RSA180360  Eleocharis montevidensis var. montevidensis E. W. Lathrop 1965-3-30 5606 Riverside 14 miles W of Murrieta. Comment
  RSA65651  Eleocharis palustris F. W. Peirson 1922-4-29 4167 Riverside Dripping Spring, Temecula River, southwestern Riverside Co., California 457 Comment
  CAS-BOT-BC113298  Eleocharis parishii Samuel B. Parish 1907-4-22 6144 Riverside Western edge of the Colorado desert, Palm Canyon. 200 Comment
  RSA652205  Ellisia chrysanthemifolia Dolores Perez 1981-4-11 13 Riverside Cajalco Rd., between I-15 and Temescal Canyon Rd. Comment
  RSA591816  Elymus E. W. Lathrop 1968-5-24 6934 Riverside Bedford Truck Trail of the Cleveland National Forest, Trabuco Ddistrict. 915 Comment
  CAS-BOT-BC227733  Elymus elymoides H. M. Hall 1901-7-1 2409 Riverside San Jacinto Mountains. Tamarack Valley 2804 Comment
  RSA559355  Elymus elymoides Steve Boyd, Timothy S. Ross 1992-5-15 7387 Riverside Southern Santa Ana Mountains, southeastern flank of Elsinore Peak at 'Onion Hill', a grassy knoll about 1/4 mile E of radio towers, along old Main Divide Road track 1021 Comment
  RSA396455  Elymus glaucus subsp. jepsonii Dave Kelly, Walter Wisura 1987-6-19 4168 Riverside 7.3 miles from Highway 74 along Thomas Mountain Road, S of Lake Hemet Comment
  UCR22186  Elymus triticoides E. W. Lathrop 1960-6-9 4943 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau; 14 miles west of Murrieta Comment
  RSA33518  Emmenanthe penduliflora N. C. Cooper 1944-4-8 1053 Riverside Andreas Canyon. 305 Comment
  RSA503145  Emmenanthe penduliflora Gary D. Wallace, D. H. Wilken 1966-3-26 242 Riverside San Bernardino National Forest. Whitewater Canyon 15miles East of Banning in mesa area. 427 Comment
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Jan 5 2010
  UCR107412  Emmenanthe penduliflora B. G. Pitzer 1997-3-23 2964 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  UCR114116  Emmenanthe penduliflora B. G. Pitzer, J. Ross 1998-3-8 3611 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  JOTR34048  Emmenanthe penduliflora var. penduliflora La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2948 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; above trail to Lost Horse Mine on basalt outcrop with scree slopes Comment
  POM301791  Encelia actoni J. Cole 1942-5-19 969 Riverside White Tanks, Joshua Tree National Monument. 1280 Comment
  UC1118054  Encelia californica A. Lewis 1934-2-1 299 Riverside 3 mi n Auburndale; Corona Quadrangle 365 Comment
  CAS-BOT-BC131332  Encelia farinosa Peter H. Raven 1958-1-24 11456 Riverside Fargo Canyon Comment
  JEPS34116  Encelia farinosa I. W. Clokey and B. C. Templeton 1930-4-9 4687 Riverside n of Palm Springs; Colorado desert 170 Comment
  JOTR31866  Encelia farinosa La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2120 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  SBBG115966  Encelia farinosa D. W. Kyhos 1965-3-13 65 -111 Riverside ca. 6.2 mi W of jct of Hwy St 78 and US Hwy 60-70, near Blythe Comment
  SDSU16481  Encelia farinosa Ben Czerwiec, Taxonomy of California Plants class 2005-5-2 13 Riverside One quarter mile south of the 111 highway in a canyon facing the North. Individual slopes face east and west. Five to six miles east of Interstate 10. 457 Comment
  RSA131518  Encelia farinosa var. farinosa Ronald Basmajian 1956-3-26 29 Riverside Highway to Palm Springs from Yucca Valley. 1 mile south of Riverside-San Bernardino county line on right hand side of road. 762 Comment
  CAS-BOT-BC489624  Enchylaena tomentosa A. C. Sanders; T. B. Salvato 2015-7-22 41747 Riverside Peninsular Range: Riverside; former O.F. Clarke residence, 266 Frost Ct; E edge of UCR campus 361 Comment
  RSA85057  Ephedra aspera F. W. Peirson 1922-4-9 3339 Riverside Andreas Canyon near Palm Springs. 426 Comment
  CAS-BOT-BC81546  Ephedra californica Lewis S. Rose 1955-3-14 55028 Riverside [Whitewater] White Water Wash, 3 mi. se. of Palm Springs Station 304 Comment
  CLARK-A1045-150  Ephedra californica George K. Helmkamp 1977-3-20 Riverside Cabazon Cabazon 7.5'Q Comment
  UCD133047  Ephedra californica James B. Garner 1959-3-17 408 Riverside vicinity of White Water, north of Palm Springs. Comment
  NY70649  Ephedra torreyana R. S. Ferris 1958-3-19 13264 Riverside 2.1 miles south of Rice on road to Midland and Blythe Comment
Read comments
Jun 2 2012
  POM179210  Ephedra trifurca Philip A. Munz 1941-4-5 16693 Riverside Sand dunes southeast of Iron Mts. Comment
  RSA758488  Epilobium canum subsp. canum M. Wall 2009-12-4 549 Riverside Bautista Canyon SE of Hemet, along Bautista Canyon Rd. ca. 6.2 miles SE of jct. with Fairview Ave. 779 Comment
  JOTR36393  Epilobium canum subsp. latifolium La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3345 Riverside Joshua Tree National Park. Little San Bernardino Mtns: Pushwalla Canyon, approx 100 m W of Pinyon Well site at spring Comment
  UC874272  Epilobium canum subsp. latifolium I. W. Clokey and E. G. Anderson 1935-8-21 6773 Riverside n Keen Camp P.O. 1400 Comment
  RSA356642  Epilobium densiflorum Robert F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47296 Riverside Santa Rosa Plateau: Cleveland National Forest, along Tenaja Creek at Tenaja Guard Station. Comment
  UCR193921  Epilobium densiflorum A. C. Sanders, Mitch Provance 2008-7-11 35788 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  RSA656550  Epilobium pygmaeum A. C. Sanders 2000-5-25 23418 Riverside Menifee Valley; S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake 439 Comment
  JOTR29222  Eragrostis cilianensis La Doux, Tasha, Mike Bell 2005-9-15 1335 Riverside Joshua Tree National Park. Near Hidden Valley campground Comment
  UCR158283  Eragrostis cilianensis Scott D. White, Michael A. Patten 1992-6-10 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, Interstate Hwy 10/Cook Street interchange near Palm Desert 55 Comment
  CLARK-A1528-4613  Eragrostis mexicana John C. Roos 1965-7-7 Riverside San Jacinto Comment
  POM2934  Eremalche exilis I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. 274 Comment
  RSA0121004  Eremalche rotundifolia Duncan S. Bell, LeRoy Gross 2016-3-8 8829 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of the range; approximately 1.75 air miles north of the Bradshaw Trail. 466 Comment
  CAS-BOT-BC160061  Eremothera boothii subsp. condensata Forrest Shreve 1937-3-12 7904 Riverside 6 mi. NE of Desert Center Comment
  CAS-BOT-BC514313  Eriastrum densifolium subsp. austromontanum Scott D. White 1996-8-1 4403 Riverside San Jacinto Mts.: Idyllwild Area: Hwy 243 at Deer Springs trailhead and adjacent area 1828 Comment
  RSA0104868  Eriastrum densifolium subsp. austromontanum Scott D. White, Duayne Haselfeld 1996-7-2 4259 Riverside Pinyon Flat area, N of Hwy. 74, ca. 10 road mi. E of junction w/ Hwy. 371. W facing slope of Sugarloaf Mtn and adjacent valley. 1250 Comment
  HSC101781  Eriastrum densifolium subsp. elongatum J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13183 Riverside Along Hwy. 74. 972 Comment
  SEINET4344934 Image available Eriastrum diffusum Orr Michael 2013-1 Riverside Palen/McCoy Wilderness area, off Midland rd, about 3 mi S of Rice Comment
  SD197853  Eriastrum eremicum subsp. eremicum Peter L. Morrell, D. E. Krause 1995-5-1 460 Riverside Sonoran (Colorado) Desert: Coachella Valley, northwest corner of Baristo Road and El Cielo Road, near cargo entrance to Palm Springs Municipal Airport. 123 Comment
  UC666379  Eriastrum eremicum subsp. eremicum Annie M. Alexander and Louise Kellogg 1941-6-1 2265 Riverside Intersection of Morongo and main highway. 243 Comment
  RSA715191  Eriastrum filifolium A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32518 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  CAS-BOT-BC514519  Eriastrum pluriflorum subsp. albifaux Fay A. Mac Fadden 1935-6-1 14161 Riverside Near Red Canyon Comment
  UCR274192  Eriastrum sapphirinum T. B. Salvato, Gregg Miller 2005-6-7 1433 Riverside Peninsular Range, Gavilan Hills, along Hill Top Drive, 1.7 mi NE ( 54.8 deg. ) of the Lake Street junction with Hwy I-15, and 1.8 miles west of El Toro Road, near benchmark 2349 695 Comment
  RSA0121587  Eriastrum sapphirinum subsp. dasyanthum J. C. Roos 1965-6-13 s.n. Riverside San Jacinto Valley, Valle Vista (east of Hemet). Comment
  RSA0122973  Eriastrum sapphirinum subsp. sapphirinum Anonymous 1896-09 s.n. Riverside Strawberry Valley. Comment
  UCR137350  Ericameria cuneata John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  RSA545233  Ericameria cuneata var. spathulata R. F. Thorne 1970-10 41883 Riverside San Bernardino Mts, Whitewater Canyon: 1350ft near bridges and Whitewater Post Office to 2000 ft up the Canyon toward fish hatchery Comment
  UCSB9489  Ericameria laricifolia Van Leeuwen, Henry 1957-4-13 Riverside Whitewater Canyon about 2 miles from US 60 Comment
  RSA0117926  Ericameria linearifolia Sarah J. J. De Groot, Cheryl Sevilla 2016-3-15 7636 Riverside Santa Rosa Mountains: along Dunn Road between Haystack and Asbestos Mountains; southwest of Palm Desert, northeast of Potrero Spring, between Palm and Deep Canyons. 1231 Comment
  RSA601090  Ericameria linearifolia A. C. Sanders 1996-5-1 18130 Riverside San Bernardino Mtns: Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, N of Banning 793 Comment
  RSA771628  Ericameria linearifolia Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4994 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm). 750 Comment
  UC50451  Ericameria linearifolia H. M. Hall 1902-4-1 2902 Riverside hills between Sage and Coahuila; Coahuila Hills 914 Comment
  CHSC118898  Ericameria linearifolia Mike Lahti 2012-5-10 Riverside Ramsey Road, one miole east of Terwilliger Road, six mile south of Anza. Chaparral. Comment
  LA204641  Ericameria nauseosa H. Lewis; 1939-10-22 1035 Riverside San Jacinto Mountains, Hemet Lake Comment
  RSA614100  Ericameria palmeri var. pachylepis A. C. Sanders, Tracy Tennant 1997-11-14 21605 Riverside San Bernardino Mtns: Morongo Indian Reservation, Hathaway Canyon drainage. 884 Comment
  RSA594764  Ericameria parishii var. parishii D. L. Banks, Dylan Hannon 1996-5-3 0987 A Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Along a mesic E facing slope, approximately 300 m SE of the Helipad at the upper camp sites 534 Comment
  SD229094  Ericameria pinifolia Dick Schwenkmeyer 2012-3-26 665 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx 1 mile northeast of junction of Highway 74 and Morris Ranch Road, base of steep bouldery slope. 1374 Comment
  JOTR16591  Erigeron breweri var. covillei Baker, James K. & Baker, Ilisa T. 1976-2-7 6 /17/1966 Riverside Joshua Tree National Park. COVINGTON FLATS Comment
  JOTR31170  Erigeron breweri var. covillei La Doux, Tasha 2009-6-3 1873 Riverside Joshua Tree National Park. (Stop 6): Little San Bernardino Mountains, Covington Flats Area, dry ephemeral wash near parking area 1426 Comment
  SD63734  Erigeron breweri var. covillei Peta Mudie 1965-7-5 490 Riverside Dry southwest slope, northwest side of Santa Rosa Mtn. on unpaved road from highway 74 to Nat. Forest camp site. 1000 Comment
  RSA736548  Erigeron foliosus Scott D. White, Angelia Carey 2004-7-2 10585 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  CAS-BOT-BC296137  Erigeron foliosus var. foliosus Lester Rowntree 1936-5-16 s.n. Riverside Pines to Palms Road Comment
  CHSC318  Erigeron foliosus var. foliosus E. Thomas 1940-5-26 Riverside Temecula Canyon. Comment
Read comments
Mar 27 2011
  LA205609  Eriodictyon crassifolium W. Pequegnat; 1939-4-8 23 Riverside Santa Ana Mountains Comment
  RSA653350  Eriodictyon crassifolium B. F. Rogers 1984-4-21 9 Riverside Collected along trail & bank area of the west side of Strawberry Creek heading upstream. Starting point was 4.9 miles from Cranston Ranger Station heading East on Hwy. 74. 915 Comment
  POM312183  Eriodictyon crassifolium var. crassifolium N. Cooper 1944-4-8 1066 Riverside Andreas Canyon. 305 Comment
  UCR94239  Eriodictyon crassifolium var. crassifolium Scott D. White 1996-4-14 3903 Riverside Perris Basin/San Jacinto Mtns., E of Hemet: San Jacinto River Wash near Valle Vista, north of Hwy 74, c. 1.7 mi west of USFS Cranston Fire Station 549 Comment
  RSA342547  Eriodictyon trichocalyx Robert F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54099 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 Comment
  RSA663306  Eriodictyon trichocalyx var. trichocalyx Mitch Provance 1998-6-12 701 Riverside Riverside, 1/8 mile NW of Tequesquite Ave. and Gregory Rd. 229 Comment
  RSA783252  Eriogonum J. D. Olmsted 790 Riverside Reservoir Hill, Desert Sun School near Idyllwild, south slope 1646 Comment
  CAS-BOT-BC248636  Eriogonum apiculatum James L. Reveal; Barbara J. Ertter 1976-6-30 4569 Riverside Santa Rosa Mountains, along the dirt road to Santa Rosa Mountain at Stump Spring Camp, about 13.5 miles southeast of California Highway 74 2316 Comment
  SEINET3087129 Image available Eriogonum apiculatum Reid Moran 1973-7-28 21108 Riverside Toro Peak, Santa Rosa Mts. 2500 Comment
  UCR24892  Eriogonum apiculatum A. C. Sanders 1980-7-18 1640 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  UCR175171  Eriogonum davidsonii Jim Andre 2006-4-26 6770 Riverside South Mojave Desert, Joshua Tree National Park: west of upper Long Canyon, c. 5 mi south of the radio tower and NE corner (boundary) of the park 1325 Comment
  UCR161402  Eriogonum elongatum A. C. Sanders, Mike Misenhelter 2005-9-20 31674 Riverside San Jacinto Mtns. Foothills, Santa Rosa Hills south of Hemet, road NW of Gibbel Flat, south end of Cornell St., 0.5 mi. SE of the Ramona Bowl 610 Comment
  SD229218  Eriogonum fasciculatum var. foliolosum Dick Schwenkmeyer 2012-4-17 694 Riverside Mt. San Jacinto: Vista Grande, 2 miles south of U.S. Forestry station on Highway 243 north of Idyllwild 1618 Comment
  CAS-BOT-BC250133  Eriogonum fasciculatum var. polifolium Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway, Mt. San Jacinto Comment
  CAS-BOT-BC250141  Eriogonum fasciculatum var. polifolium Carl B. Wolf 1932-5-24 3644 Riverside No. base of San Jacinto Mts. Snow Creek Canyon. 1/2 mi. below fish hatchery 548 Comment
  LA206795  Eriogonum fasciculatum var. polifolium Norman C. Cooper; 1944-4-8 1080 Riverside Andreas Canyon 304 Comment
  RSA773186  Eriogonum fasciculatum var. polifolium Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4919 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  RSA78791  Eriogonum fasciculatum var. polifolium Percy C. Everett, E. K. Balls, L. W. Lenz 1952-7-1 17266 Riverside 3 mi. S along banning to Idyllwild. 915 Comment
  SD90099  Eriogonum fasciculatum var. polifolium Nancy Ryan Zabriskie, Walter Zabriskie 1972-3-28 479 Riverside North Canyon, Andreas Canyon drainage, east slope San Jacinto Mts. 609 Comment
  UC64569  Eriogonum gracile H. M. Hall 1897-8-29 866 Riverside Riverside Comment
  UCR154460  Eriogonum gracile Jason L. Hlebakos 2005-5-30 801 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  POM48877  Eriogonum gracile var. gracile P. A. Munz, I. M. Johnston 1924-7-26 8711 Riverside South of Banning. 976 Comment
  RSA11586  Eriogonum gracile var. gracile C. Epling, Wm. Robison 1933-6-24 s.n. Riverside Little San Bernardino Mountains: Near Morongo Pass Comment
  UC1929522  Eriogonum gracile var. incultum LeRoy Gross, Elizabeth A. Kempton 2008-8-21 3572 Riverside [Peninsular Ranges; San Jacinto Mountains region]; Southern spur of Pine Meadow, southeast of Highway 371, northwest of Santa Rosa Summit. Survey north side of Highway 74. Near 1477 Comment
  CAS-BOT-BC257577  Eriogonum inflatum Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  RSA698434  Eriogonum inflatum J. R. Bruff 1927-10-8 1 -L Riverside Thousand Palms. Comment
  RSA342561  Eriogonum inflatum var. inflatum Robert F. Thorne, W. A. Tilforth 1980-5-28 54194 Riverside San Bernardino Mountains: Whitewater ridge above old bridge. Comment
  SD103936  Eriogonum maculatum J. L. S. Simpson 1965-5-14 Riverside Along a dirt road to the New York Mountains Comment
Read comments
Mar 23 2014
  CAS-BOT-BC270596  Eriogonum molestum Peter H. Raven; R. Snow 1957-7-26 11124 Riverside 1.8 mi. above Lake Fulmor, San Jacinto Mts. Comment
  SD95200  Eriogonum nidularium G. L. Webster, R. Hildreth 1966-12-9 7453 Riverside Joshua Tree National Monument parkland at Split Rock 1310 Comment
  JEPS57089  Eriogonum parishii Marjorie D. Clary 1932-8-21 1083 Riverside Vandeventer Flats San Jacinto Mts. 1341 Comment
  CAS-BOT-BC258079  Eriogonum plumatella Carl B. Wolf 1932-10-11 4283 Riverside Morongo Wash at the San Bernardino County line 731 Comment
  JEPS56484  Eriogonum pusillum Marjorie D. Clary 1932-5-13 1037 Riverside Lost Horse Canyon, north Colorado Desert Colorado Desert, Lost Horse Canyon 1219 Comment
  JOTR29589  Eriogonum saxatile Andre, Jim 2006-4-26 6781 Riverside Joshua Tree National Park. Long canyon, approx 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  JOTR00998  Eriogonum saxatile Cole, James E. 1941-5-29 s.n. Riverside Joshua Tree National Park. QUAIL MOUNTAIN 1493 Comment
  CAS-BOT-BC263521  Eriogonum thomasii C. L. Hitchcock 1966-3-20 24312 Riverside Hills just n. of Milpitas Wash, Ogilby-Blythe Road Comment
  CAS-BOT-BC263545  Eriogonum thomasii Elizabeth McClintock 1958-4-5 s.n. Riverside Along wash in Painted Canyon, Colorado Desert Comment
  RSA0121005  Eriogonum thomasii Duncan S. Bell, LeRoy Gross 2016-3-8 8828 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of the range; approximately 1.75 air miles north of the Bradshaw Trail. 466 Comment
  RSA480007  Eriogonum thomasii Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2136 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  UC68581  Eriogonum thomasii H. M. Hall Apr. 1905 5812 Riverside 10 mi w Coachella; Colorado Desert 152 Comment
  UCR148335  Eriogonum thomasii John F. Green 2005-1-13 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 21 and 22 (near 22), south of Salt Creek 23 Comment
  UCR163080  Eriogonum thomasii B. G. Pitzer 2000-5-7 4141 Riverside Sonoran (Colorado) Desert, extreme north end of Orocopia Mountains, Shavers Valley, at base of hills c. 0.5 mi. SE of Box Canyon Road. 341 Comment
  UCR251904  Eriogonum thomasii Jim Andre 2013-3-27 24828 Riverside NE Colorado Desert, Riverside Mountains, Agnes Wilson Rd. west of crossing of Colorado River, 0.8 mi east of Hwy 95, 12.4 mi south of Vidal Junction 115 Comment
  UCR40591  Eriogonum thomasii George K. Helmkamp 1983-4-5 483- 34 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  JEPS56273  Eriogonum thurberi W. L. Jepson 1901-5-22 1401 Riverside Palm Canyon Mt. San Jacinto, Palm Canyon Comment
  RSA682081  Eriogonum trichopes Scott D. White, Michael Honer 2003-4-30 9142 Riverside Shavers Valley. About 1-2 miles south west of unnamed freeway exit at pumping station. 396 Comment
  UCR279401  Eriogonum trichopes A. C. Sanders, Jim Malusa 2017-3-25 43022 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  UCR108744  Eriogonum trichopes var. trichopes Scott D. White, Sandy Leatherman 1998-4-15 6290 Riverside Sonoran (Colorado) Desert, La Quinta/Palm Desert Area: Near Miles Ave. crossing over Whitewater River Channel. Degraded dunes north of Miles Ave. & west of Washington St., Coachella Valley 43 Comment
  LA207117  Eriogonum wrightii var. membranaceum Elizabeth McClintock; 1938-8-1 sn Riverside San Jacinto Mountains, Trail to Hidden Lake Comment
  UCR22009  Eriogonum wrightii var. membranaceum Steve Boyd 1980-9-1 341 Riverside Harford Springs County Park. Located on the NW corner of the Gavilan Plateau. Along old dirt roadbed, S border. Comment
  POM229039  Eriogonum wrightii var. nodosum P. A. Munz 1937-5-30 15126 Riverside Dos Palmos Spring, north end of Santa Rosa Mountains. 1098 Comment
  RSA423078  Eriogonum wrightii var. nodosum H. de Forest, Rempel 1934-4-15 s.n. Riverside Taquitz Canyon, south wall 244 Comment
  CLARK-A1528-208  Eriophyllum confertiflorum C. M. Flanagan 1973-5-31 OO 637 Riverside Morongo Indian Reservation 914 Comment
  POM288454  Eriophyllum confertiflorum Lyman Benson 1932-3-26 3185 Riverside Summit Temecula Grade. 610 Comment
  RSA508339  Eriophyllum confertiflorum Ed LaRue 1989-5-28 s.n. Riverside 1.5 mi. NW Estelle Mountain, off Dawson Canyon Road; 1.5 mi. E. of Arcilla and 1.5 mi. SW of Monument Peak. 396 Comment
  CDA29163  Eriophyllum confertiflorum Mike Lahti 2009-5-5 PDR# 1501682 Riverside 0 Comment
  UC1292309  Eriophyllum confertiflorum var. confertiflorum C. L. Hitchcock and C. V. Muhlick 1964-3-17 23106 Riverside 10 mi n Pala (on road to Elsinore) Comment
  POM305044  Eriophyllum multicaule Henry J. Ramsey, Henry J. Ramsey 1939-4-22 378 Riverside Hemet-Anza, Bautista Creek Road. Comment
  RSA716425  Eriophyllum multicaule Scott D. White 2006-4-27 11311 Riverside Perris Basin/San Jacinto Mtn Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  UC1922013  Eriophyllum wallacei Robert F. Thorne, M. Z. Thorne 1973-3-30 42687 Riverside MORONGO VALLEY CANYON: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, on rocky and sandy outwash of Mission Creek. Comment
  RSA528105  Erodium botrys Steve Myers 1991-4-15 91 -4 Riverside City of Banning, W of fields Road, N of Interstate 10 & S o the Morongo Indian Reservation. 671 Comment
  RSA703473  Erodium cicutarium LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1418 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  SEINET244841  Erodium macrophyllum Ian G. Gillespie 2000-4-19 10 Riverside Temescal Valley; 0.9 mi SE of Indian Truck Trail and 30 m S of DePalma Road. 427 Comment
  POM8326  Erodium texanum Mary F. Spencer 1920-3-14 s.n. Riverside Desert sand, Colorado Desert. -60 Comment
  RSA286798  Eryngium aristulatum var. parishii R. F. Thorne 1974-5-23 44662 Riverside Santa Rosa Plateau, Rancho California: top of Mesa de Colorado 625 Comment
  RSA336175  Eryngium aristulatum var. parishii R. F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 51968 Riverside Santa Rosa Plateau: Mesa de Colorado 609 Comment
  UCR164929  Erysimum capitatum T. B. Salvato, John F. Green 2004-5-27 631 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  RSA5218  Erysimum capitatum var. capitatum C. B. Wolf 1932-8-4 3910 Riverside Near Point View, near Idyllwild. San Jacinto Mtns. 1646 Comment
  RSA0020239  Erythranthe floribunda Steve Boyd 1991-6-8 6330 Riverside Pinyon Flats area near Ribbonwood. White calcareus outcrop forming small hill N of Hwy 74 Comment
  RSA0022936  Eschscholzia androuxii F. R. Fosberg 1983-4-23 64169 Riverside Whitewater Bridge. Comment
  RSA0022956  Eschscholzia androuxii Ora M. Clark 1929-3-16 1721 Riverside NW Whitewater Comment
  RSA0023132  Eschscholzia androuxii I. W. Clokey 1935-4-17 6628 Riverside Cottonwood Springs. Comment
  UCR35071  Eschscholzia californica L. B. Ziegler 1969-5-27 370 Riverside San Jacinto Mtns., Cahuilla Indian Reservation 1113 Comment
  OBI26035  Eschscholzia minutiflora David J. Keil 1976-12-12 11916 Riverside Along I-10, 37 mi E of Chiriaco Summit Comment
  UCR132615  Eschscholzia minutiflora Kent Beaman 1983-4-9 06 Riverside Sonoran (Colorado) Desert, Coachella Valley, east of Hwy 62 on north side of Indian Ave., end of Worsley Road 549 Comment
  SD49372  Eschscholzia papastillii Thomas W. Whitaker 1958-4-30 Riverside Box Canon, midway between Mecca and Shaver Well Comment
  CAS-BOT-BC419651  Eschscholzia parishii Frank W. Peirson 1926-2-22 s.n. Riverside Thousand Palm Canyon near Indio Comment
  RSA0022925  Eschscholzia parishii Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11222 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  UC68555  Eschscholzia parishii H. M. Hall Apr., 1905 5898 Riverside Chuckawalla Springs Colorado Desert Comment
  UCR104810  Eschscholzia parishii George K. Helmkamp, E. A. Helmkamp 1998-2-18 2735 Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, 10.6 miles SSW of Chuckwalla Valley Rd. on Graham Pass Rd. 488 Comment
  UCSB3656  Eschscholzia parishii Atsatt, Pete 1958-3-22 Riverside 5.8 miles east of Desert Center; on highway 60 and 70 Comment
  UCR113559  Eucalyptus camaldulensis Mitch Provance 2000-9-1 2230 B Riverside Jurupa Mtns., Pyrite Canyon, c. 0.5 miles SW of peak 1538 305 Comment
  UCR133176  Eucalyptus camaldulensis J. C. Lyman 1989-2-9 89- 2 Riverside Lakeview, Pressman property in the Bernasconi Hills, just south of the Ramona Expressway, south of Lake Perris and north of Nuevo Comment
  RSA0012826  Eucalyptus robusta Ed LaRue 1989-4-14 s.n. Riverside Old agricultural fields 0.5 mile S of Lakeview. 457 Comment
  JEPS1708  Eucrypta chrysanthemifolia var. bipinnatifida Marjorie D. Clary 1614 Riverside 7 mi w Coachella; Colorado Desert, La Quinta Canyon 30 Comment
Read comments
Apr 4 2011
  UCR280922  Eucrypta micrantha Fred M. Roberts 2016-3-5 7997 Riverside Sonoran (Colorado) Desert, Little Maria Mountains: shallow canyon at west end, 4.3 km east of Palen Pass and 2.0 km WNW Peak "602" 116 Comment
  JOTR38694  Eulobus californicus Hodges, Stephen R. 2017-2-7 710 Riverside Joshua Tree National Park. Little San Bernardino Mountains, West Deception Canyon, near the mouth of the canyon just north of the park boundary Comment
  CLARK-A1528-2489  Euonymus occidentalis subsp. parishii John C. Roos 1941-8-2 88 Riverside San Jacinto Mountains Comment
  UCR172161  Euphorbia albomarginata T. B. Salvato, Gregg Miller 2005-6-3 1379 A Riverside Peninsular Range; Perris-Aguanga Basin Region, c. 3 mi SW of Perris, 1.7 mi SW of the Goetz Road crossing of the San Jacinto River and c. 0.25 mi south of Ethanac Road 436 Comment
  SEINET1004496  Euphorbia ophthalmica A. C. Sanders, G. K. Helmkamp 1996-1 17979 Riverside Coachella Valley: Palm Springs, shopping center at SE corner Raquet Club Dr. and Palm Canyon Dr. 189 Comment
  PASA695  Euphorbia palmeri Sally Ellis 1939-6-22 Riverside Halona Comment
  UCR103997  Euphorbia polycarpa George K. Helmkamp 1998-4-3 3067 Riverside Sonoran (Colorado) Desert, Whitewater River, bordering the north side of Hwy I-10; E side of the river 396 Comment
  UCD142719  Euphorbia polycarpa var. hirtella Geoffrey Levin 1975-4-5 464 Riverside Indio Hill Mountain Range. Jcn. of Ramon Rd. and 1000 Palms Canyon Rd. 91 Comment
  UCR281929  Euphorbia setiloba A. C. Sanders, Jim Malusa 2017-9-21 43355 Riverside Sonoran (Colorado) Desert, northern boundary of Chocolate Mountains Aerial Gunnery Range along south side of Bradshaw Trail at large wash crossing 680 Comment
  UCR89707  Euphorbia setiloba J. M. Stewart 1990-10-28 667 Riverside Sonoran/Colorado Desert, canyon on south side of Orocopia Mtns. Comment
  CAS-BOT-BC239709  Fabaceae Elizabeth McClintock 1958-4-5 s.n. Riverside In Painted Canyon, Colorado Desert Comment
  RSA391193  Fagonia laevis M. B. Dunkle 1935-3-30 4426 Riverside Pinto Basin, Colorado Desert. 915 Comment
  RSA391201  Fagonia laevis Jack Rempel, Lester H. Cushman 1932-3-13 15516 Riverside Deep Canyon Colo. Desert. Comment
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Dec 10 2011
  RSA727389  Fagonia laevis Naomi S. Fraga, Lisa Rojas 2005-2-10 1380 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  RSA775960  Fagonia laevis Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 808 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 396 Comment
  RSA796752  Fagonia laevis Jim Andre 2012-4-11 20841 Riverside Orocopia Mountains: north end of range, along dirt road 2.8 mi due south of I-10 at Box Canyon Rd/Cottonwood Rd Exit. 624 Comment
  RSA605772  Fagonia pachyacantha A. C. Sanders 1995-5-23 17115 Riverside Colorado Desert, Coachella Valley: alluvial fans below the Santa Rosa Mtns., N of Toro Cyn., W of Monroe St., S. of Ave. 62 15 Comment
  UCR157944  Festuca myuros T. B. Salvato, A. C. Sanders 2005-5-17 913 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  JOTR35351  Festuca octoflora Andre, Jim 2012-4-11 20680 Riverside Joshua Tree National Park. N. end of Hexie Mountains, Hidden Tank Picnic Area, approx. 8 mi south of north entrance station, and 1.4 mi SW of paved road (Rte 11) 1076 Comment
  UCR126260  Festuca octoflora Nathan Moorhatch, John Green 2003-4-2 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, Whitewater River channel at Date Palm Drive in Cathedral City 91 Comment
  UCR177423  Festuca octoflora Scott D. White, Michael Honer 2003-4-4 8938 Riverside Peninsular Ranges; Perris-Aguanga Basin, Temescal Canyon, dissected bajada bench, below and east of Horsethief Canyon, immediately south of I-15 Fwy 427 Comment
  UCR41250  Festuca octoflora N. M. Fellows, A. C. Sanders 1985-4-9 133 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  VVC562  Festuca octoflora A. C. Sanders 1995-3-12 16089 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  CLARK-A1528-4667  Festuca pacifica John C. Roos 1937-5-2 1282 Riverside Riverside Comment
  RSA585817  Filago arizonica D. L. Banks, Steve Boyd 1995-5-9 0352 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  RSA583376  Filago californica Steve Boyd, Darin L. Banks 1995-4-5 8423 Riverside Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the eastern edge of the Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary. 579 Comment
  UCR152629  Filago californica A. C. Sanders 2005-4-22 29586 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR25779  Filago californica John C. Roos 1952-4-13 5528 Riverside Peninsular Range, Box Springs Mountains 520 Comment
  RSA736694  Filago gallica Scott D. White 2004-4-26 10241 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. 518 Comment
  CDA5871  Flaveria trinervia M. Tavianini 1977-10-23 Riverside On McKinley Street about 1 mile north of the 91 Freeway, La Sierra area. 0 Comment
  LA31862  Fouquieria splendens B. H. Brattstrom; 1950-4-4 sn Riverside Santa Roas Mountains, W side of mountains Comment
  JEPS45714  Fouquieria splendens subsp. splendens W. L. Jepson 1912-10-30 5251 Riverside Black Point; Riverside Mts., Colorado River Comment
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Nov 9 2014
  UC454004  Fragaria vesca I. J. Condit 1910-6-24 Riverside Strawberry Valley; San Jacinto Mountains 1524 Comment
  UCR110402  Frankenia salina A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23185 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1 mile west of Jackrabbit Trail on Gilman Springs Rd., 0.4 mi. west of Quail Lake Golf C. entrance, 2 mi. WNW of Eden Hot Spr. 436 Comment
  UCR235057  Frankenia salina A. C. Sanders, John F. Green 2012-5-27 40203 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River north of Canyon Lake, between Hwy 74 and Goetz Rd. 428 Comment
  RSA263768  Fraxinus dipetala E. W. Lathrop 1968-5-22 6900 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  RSA717849  Fraxinus dipetala T. B. Salvato 1998-5-14 MOR- 139 Riverside Morongo Indian Reservation, flat area cut by small wash, south and west of dirt road to Kitching Peak near junction with East Branch Millard Canyon, tree stand M-04. 1128 Comment
  UCR252994  Fraxinus uhdei Fred T. Sproul, Julia Groebner 2014-7-21 6007 Riverside Santa Ana River at Norco 169 Comment
  RSA0103088  Fraxinus velutina Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8552 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  RSA717477  Fraxinus velutina A. C. Sanders, O. F. Clarke 1991-6-10 11133 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  UCR132722  Fraxinus velutina A. C. Sanders, O. F. Clarke 1991-6-10 11134 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  HSC101559  Funastrum cynanchoides var. hartwegii J. P. Smith, J. O. Sawyer 2009-11-30 12699 Riverside 584 Comment
  UCD121395  Funastrum cynanchoides var. hartwegii Nancy Ryan Zabriskie; Walter Zabriskie 1970-3-27 272 Riverside Below Andreas Canyon Club clubhouse; Andreas Canyon. 304 Comment
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Jun 20 2013
  HSC101268  Funastrum hirtellum Jim Andre 2012-3-19 21374 Riverside Palen Valley; along Palen Pass Rd. (dirt), 7.1 mi. east of Hwy. 177. 321 Comment
  RSA4954  Funastrum hirtellum C. B. Wolf 1932-4-27 3044 Riverside Colorado Desert, lower end of Lost Palm Canyon, at 1st rocky hills, 1mi off the Mecca-Blythe Road. 244 Comment
  RSA792479  Funastrum hirtellum Justin M. Wood, Dustin Ray 2011-4-28 3850 Riverside Sonoran Desert: Chuckwalla Valley; Eagle Mountain Road, 2.8 miles west of Desert Center and 0.9 miles north of I-10. 312 Comment
  SEINET8481390 Image available Funastrum hirtellum Andrew C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40635 Riverside Sonoran (Colorado) Desert; Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit 410 Comment
  UCR200290  Funastrum hirtellum Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11246 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 549 Comment
  CAS-BOT-BC176706  Funastrum utahense Dave Silverman 2010-3-30 7886 Riverside East bajada flank of southern McCoy Mtns, 1 km west of Black Creek Rd, 7.8 km east of McCoy Pk, and 4.8 km N of I-10 165 Comment
  UCSB26912  Galium angustifolium Wilken, Dieter 1969-6-30 Riverside Dark Canyon, along County Road Rl, 7.0 miles north of Idyllwild, San Jacinto Mtns Comment
  SEINET11171281  Galium angustifolium H. M. Hall 1944-6-3 s.n. Riverside Riverside Comment
  POM367709  Galium angustifolium subsp. angustifolium N. R. Zabriskie, W. M. Zabriskie 1972-6-18 526 Riverside Along fire road S of S end of Marion Ridge Rd., Pine Cove, NW of Idyllwild. 1921 Comment
  RSA27806  Galium angustifolium subsp. angustifolium C. Leo Hitchcock 1940-4-12 6039 Riverside 8 mi. northwest of Elsinore 457 Comment
  RSA612596  Galium angustifolium subsp. angustifolium C. Epling, Wm. Robison 1935-6-30 s.n. Riverside Mt. San Jacinto: Between Pine Flat Camp and Fuller's Mill. Comment
  RSA682187  Galium angustifolium subsp. jacinticum LeRoy Gross, Firoozeh Navidara, Valerie Soza 2003-6-23 1113 Riverside Black Moutain Road (4501), southeast of Black Moutain and northwest of Fuller Mill Creek. 2043 Comment
  POM99061  Galium aparine E. C. Jaeger 1926-5-1 s.n. Riverside Joseph Canyon, Santa Ana Mts. Comment
  UCSB26813  Galium parishii Wilken, Dieter 1969-6-30 Riverside Santa Rosa Springs, Santa Rosa Mtns. 2377 Comment
  UCR274316  Galium porrigens Jennifer H. Jones, Scott D. White 2005-5-25 94 Riverside Peninsular Ranges; Santa Ana Mtns., Rainbow area; foothills west of I-15 Freeway and immediately north of San Diego County line 579 Comment
  UC454604  Gayophytum diffusum subsp. parviflorum I. J. Condit 1910-6-21 Riverside Strawberry Valley San Jacinto Mts. 1676 Comment
  UC64298  Gayophytum diffusum subsp. parviflorum H. M. Hall July, 1901 2347 Riverside Tauquitz Valley San Jacinto Mountains 2438 Comment
  UCR108935  Gayophytum diffusum subsp. parviflorum Scott D. White 1997-5-18 5171 Riverside San Jacinto Mtns., 'Black Mountain Scenic Area,' Black Mountain Trail between Hwy 243 and Cinco Poses Trail junction 1829 Comment
  RSA0108940  Geraea canescens Duncan S. Bell, Amanda Bell 2012-1-28 3070 Riverside East side of the Arica Mountains; collecting in Rice Valley, approximately 6 air miles southeast of the ghost town of Rice. 202 Comment
  CLARK-A1045-59  Geranium carolinianum George K. Helmkamp 1929-4-27 Riverside Santa Ana Mountains Wildomar 7.5'Q Comment
  RSA0028449  Geranium dissectum Robert F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55224 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road. 730 Comment
  POM10411  Geranium richardsonii Anonymous 1903-07 s.n. Riverside Strawberry Valley. [county not specified] Comment
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Nov 26 2016
  RSA391012  Geranium richardsonii M. B. Dunkle 1933-7-23 3763 Riverside San Jacinto Peak 2896 Comment
  CLARK-A1528-3498  Gilia achilleifolia subsp. multicaulis John C. Roos 1937-4-4 1389 Riverside La Sierra Comment
  UC1563105  Gilia australis Steve Boyd, Tim Ross, and Laurel Arnseth 1989-4-1 3151 Riverside just sw Vail Lake Area dam; Vail Lake Area 487 Comment
  UCR20565  Gilia australis N. R. Zabriskie 1978-3-16 780 Riverside San Jacinto Mountains, S side of stream near intake, Andreas Canyon, E slope of mountains 610 Comment
  POM122410  Gilia capitata subsp. abrotanifolia Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  RSA586875  Gilia capitata subsp. abrotanifolia D. L. Banks, S. D. Boyd 1995-5-3 0294 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  RSA742093  Gilia capitata subsp. abrotanifolia Peter L. Morrell 1993-5-1 226 Riverside San Bernardino Mtns.: c. 300 m W of Whitewater Canyon Rd. along stream bed (upstream), 3.3 miles N of I-10. 627 Comment
  RSA772127  Gilia capitata subsp. abrotanifolia Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4829 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  JEPS69623  Gilia latifolia W. I. Follett 1942-3-22 130 Riverside 7.8 mi e Mecca (Colorado Desert); Colorado Desert Comment
  CAS-BOT-BC407610  Gilia ochroleuca subsp. exilis K. Watkins; E. McClintock 1937-4-9 s.n. Riverside 1 mi. W of San Jacinto Comment
  RSA776294  Gilia scopulorum Duncan S. Bell, Amanda Turek 2010-4-10 830 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine and Calzona Mine; approximately 3.8 air miles west of the Colorado River; approximately 2 air miles northeast of Riverside Mountain Peak. 198 Comment
  UCR165913  Gilia splendens T. B. Salvato, John F. Green 2004-5-27 553 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1402 Comment
  CDA40024  Gilia stellata T. C. Fuller 1963-4-23 10278 Riverside Box Canyon Wash, Mecca-Blythe Road (Highway 195), 11.8 miles northeast of Mecca. 0 Comment
  JOTR29346  Gilia stellata La Doux, Tasha, Bill Truesdell, Naomi Fraga 2006-4-26 1423 Riverside Joshua Tree National Park. Long Canyon; Stop 2, in side canyon east of main wash. 837 Comment
  POM74531  Gilia stellata Marcus E. Jones 1906-4-30 9986 Riverside Indio. Comment
  RSA516873  Gilia stellata Steve Boyd, B. Roy, T. S. Elias, Sara Meury, S. Zona 1986-3-5 13511 Riverside Hwy 195, N base of the Orocopia Mts., halfway between I-10 & Box Canyon. Comment
  SBBG81689  Gilia stellata S. A. Junak 1983-3-23 1643 Riverside Berdoo Cyn Rd, 2.4 mi E of Dillon Rd, Little San Bernardino Mtns 411 Comment
  UC1025126  Gilia stellata H. K. Wagnon 1944-3-8 307 Riverside near fork of stream in s part Palm Canyon Palm Springs, s part Palm Canyon Comment
  UCR245889  Gilia stellata R. F. Thorne 1995-3-29 63022 Riverside Transverse Range; San Bernardino Mtns., Whitewater Canyon 600 Comment
  UCR282350  Glinus lotoides Mitch Provance, Jeremiah George 2017-7-26 717- 01 Riverside San Bernardino Valley, Jurupa Valley, northeast side of the Riverside Basin, just SE of Philadelphia St. and Wineville Rd. 247 Comment
  RSA725967  Glyceria declinata T. B. Salvato, Tracy Tennant 1998-4-23 MOR- 905 Riverside San Bernardino Mtns.: Morongo Indian Reservation, seep in Wood Canyon, tree stand W-07. 1220 Comment
  POM358794  Gnaphalium californicum M. M. Thompson, N. C. Cooper 1947-6-9 c 2064 Riverside Los Alomos Canyon, Elsinore. 762 Comment
  UCR175077  Gnaphalium californicum Teresa Nieto 2005-4-24 20 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  UCR92408  Gnaphalium canescens subsp. microcephalum F. M. Reed 1933-8-13 8010 Riverside South Coast; San Bernardino Valley, Riverside, Fairmont Park 245 Comment
  RSA691032  Gnaphalium luteoalbum A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24603 Riverside Mojave Desert, Little San Bernardino Mtns.: Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airline) SW from park road in Lost Horse Valley 1341 Comment
  RSA719794  Gnaphalium palustre Naomi Fraga, Ilene Anderson, Mike Hamilton, Michael Wall, Gary Wallace 2006-9-7 1777 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  UCR281213  Gnaphalium palustre Mitch Provance, John Hazlett, Matt K. Beyers 2017-4-19 417- 52 Riverside Menifee Valley, Menifee, about 0.5 miles south of Sun City, and 0.5 miles west of Romoland, SW corner of Lazy Creek Rd. and Murrieta Rd. 431 Comment
  UCR193886  Gnaphalium stramineum A. C. Sanders, Mitch Provance 2008-7-11 35801 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  RSA162744  Guillenia lasiophylla John Olmsted 1958-3-29 69 Riverside Transiton zone with NE drainage towards the Pinto Basin. Near intersection of Cottonwood Pass and Cottonwood Spring roads, 8 miles N of Souther entrance to Joshua Tree National Monument. 915 Comment
  POM96188  Guillenia lasiophylla Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring, Chuckwalla Mountains, Colorado Desert. Comment
  POM97003  Gutierrezia californica P. A. Munz 1926-5-2 10419 Riverside about rocks, 5 miles NW of Dripping Spring Comment
  LA203630  Gutierrezia sarothrae H. Lewis; 1940-7-18 sn Riverside U.S. 395, 5 mi. W of Temecula Comment
  RSA486456  Gutierrezia sarothrae Richard Noyes, L. Arnseth 1988-10-30 760 Riverside Harford Springs County Park vicinity. East of Park boundry and bordering Gavilan Mine Road. 610 Comment
  SD229098  Gutierrezia sarothrae Dick Schwenkmeyer 2012-8-6 771 Riverside Garnet Queen Mine on Santa Rosa Mountain road, 4.1 miles southeast of the intersection of highway 74 and Santa Rosa Mountain Road. 1834 Comment
  UCR13731  Gutierrezia sarothrae J. Gull 1973-7-30 s.n. Riverside Santa Ana River Valley, Hills east of Norco. Comment
  UCR150638  Gutierrezia sarothrae Bern Schwenn 1994-9-18 s.n. Riverside Joshua Tree National Monument, E side of Little San Bernardino Mountains, in small canyon SE of Bernard Peak 1451 Comment
  UCR18660  Haplopappus squarrosus John C. Roos 1952-8-27 5890 Riverside Reche Canyon, Haas Ranch 457 Comment
  HSC85415  Harpagonella palmeri Steve Boyd 1986-3-9 1384 Riverside Temescal Canyon: Alberhill Mtn., S slope of mtn., just E of claymine area 459 Comment
  UC1552123  Harpagonella palmeri Steve Boyd 1986-5-1 1816 Riverside e end Lake Skinner (lower s slopes of Bachelor Mountain); lower s slopes Bachelor Mountain, Lake Skinner Comment
  UCR114757  Harpagonella palmeri Scott D. White, D. E. Bramlet 1999-4-22 7238 Riverside Lake Skinner area, Ridgetop, north, west, and northwest facing slopes of Bachelor Mtn. 762 Comment
  UCR217646  Harpagonella palmeri Jeff B. Galvin 2010-3-25 120 Riverside Perris-Aguanga Basin, West of Lake Matthews, south of Cajalco Road. Just east of small riparian woodland. Northwest side of a clay hill. 430 Comment
  RSA0066608  Harpagonella palmeri Steve Boyd, Laurel Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4605 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  RSA0066627  Harpagonella palmeri Steve Boyd, Tim Ross, Laurel Arnseth 1989-4-2 3196 Riverside Vail Lake Area, W end of bench on S flank of Oak Mountain. 548 Comment
  CAS-BOT-BC211543  Helianthemum scoparium P. C. Everett 1935-6-18 7175 Riverside San Juan Canyn, near Ortega Highway on road to Santiago Pk., Santa Ana Mts. 701 Comment
  UCR193545  Helianthus californicus A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35663 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1555 Comment
  RSA788961  Helianthus gracilentus R. F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49536 Riverside Santa Ana Mountains: along Ortega Highway (74) Comment
  UCR164067  Helianthus gracilentus John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, Los Alamos Canyon 1.5 mi. SW of Los Alamos Ranch, just outside Cleveland Nat. Forest boundary 564 Comment
  UCD132927  Helianthus petiolaris K. Esau 1935-6-15 s.n. Riverside Hemet Valley. Comment
  POM361594  Hemizonia fasciculata M. M. Thompson 1947-6-9 2085 Riverside Los Alomos Canyon, Elsinore. 762 Comment
  RSA618423  Hemizonia fasciculata D. L. Banks 1997-5-5 1952 Riverside NW Palomar Mountains, Agua Tibia Mountains: Northwestern foothills of Dorland Mountain, along Los Caballos Road, approximately 0.4 m south of Hwy. 79, 150 m north of Anza Road. Along the west side of the road in areas burned by the 1996 Temecula Fire. 390 Comment
  RSA525229  Hemizonia kelloggii Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4606 Riverside Vail Lake area, NE of lake along Powerline road, 0.6 mile W of jct Hwy R3. Comment
  UCR88422  Hemizonia mohavensis Jeri Hirshberg 1995-9-13 s.n. Riverside San Jacianto Mtns., drainage crossing Twin Pines Ranch Road, c. 1/2 mi NW of Twin Pines Ranch Boundary, c. 1/4 mi NW of Hill 3831 1098 Comment
  UCR105990  Hemizonia paniculata D. L. Banks 1997-5-5 1952 Riverside NW Palomar Mtns., Agua Tibia Mtns: NW foothills of Dorland Mtns, along Los Caballos Road, approx 0.4 m south of Hwy 79, 150 m north of Anza Road. Along the W side of the road in areas burned by the 1996 Temecula Fire 390 Comment
  UCR139627  Hemizonia paniculata A. C. Sanders 2004-6-30 28397 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  UCR172215  Hemizonia paniculata John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County; along San Diego Aqueduct right of way between Benton Road and the obvious drainage to the south 412 Comment
  UCR201856  Hemizonia paniculata Justin M. Wood 2008-8-31 121 Riverside Perris Basin, Romoland, 1/4 mi south of Ethanac Road between San Jacinto Road and Palomar Road just south of railroad tracks 448 Comment
  UCR229498  Hemizonia paniculata Jeremiah George 2011-7-18 s.n. Riverside Peninsular Range; Elsinore Trough, North Lake Elsinore, just west of Nichols Rd. and Collier Ave. junction 384 Comment
  RSA628429  Hemizonia pungens subsp. laevis A. C. Sanders, K. C. Rose 1999-6-18 22813 Riverside Skinner/Domenigoni area: French Valley, E side of Washington Ave. near Rawson Rd. 451 Comment
  UCR189808  Hemizonia pungens subsp. laevis Theresa Johnson 2006-6-1 142 Riverside Peninsular Range, San Jacinto Wildlife Area. South of main entrance road to San Jacinto Wildlife Area. Located parallel to dirt road c. 500 m west of Davis Road along dry alkali flats 433 Comment
  RSA550339  Hesperocallis undulata Walter Wisura, John Dolan, Michael Wall 1992-3-25 4649 Riverside Lowdesert: 0.5 mile S of I-10 along Wileys Well Road. Comment
  SDSU11463  Hesperoyucca whipplei James C. Dice, J. D. Tenhunen 1987-9-9 721 Riverside ca. 1.6 km NNW of Royal Oak Ranch. T8S, R3W, northeast 1.4, of northwest 1/4 of section 35. 390 Comment
  UC748990  Heteromeles arbutifolia Susan Delano McKelvey 1935-12-3 5030 Riverside Palms to Pines Highway San Jacinto Mts. (near top of divide leading down to Hemet) Comment
  SD193037  Heterotheca grandiflora Scott D. White, Angelia Carey 2004-6-4 10469 Riverside San Jacinto Mountain foothills: Indian Creek watershed, above confluence with San Jacinto River. Uplands around former homestead area, southeast of creek. 579 Comment
  SDSU12856  Heterotheca grandiflora Janet M. Knotts, Jill Steinberg & Kevin Contreras 1998-3-25 25 III1998C Riverside Road southwest of SDSU Santa Margarita Field Station, ca. 1000 feet S. W. on road to switchback, then ca. 500 feet N.E., heading down to creekbed, south side of road. 244 Comment
  RSA0075891  Heterotheca grandiflora Carol Zuck 1981-2-16 40 Riverside On I-74, 14.8 miles southeast of Santa Rosa Rd. overlooking Elsinore. Comment
  UCR146498  Heterotheca sessiliflora subsp. echioides Scott D. White, Angelia Carey 2004-9-16 10755 Riverside San Jacinto Mountains foothills, Along Poppet Creek NE of San Jacinto River 610 Comment
  CAS-BOT-BC310832  Heterotheca sessiliflora subsp. fastigiata D. E. Breedlove 1961-8-5 950 Riverside Hemet Valley, San Jacinto Mountains. Along State Highway 74, 5 miles east of Keen Camp 134 Comment
  RSA1640436A  Heterotheca sessiliflora subsp. fastigiata J. D. Olmsted 1959-8-18 801 Riverside May Valley Truck trail at crest W of S ridge of Tahquitz Peak, SE of Desert Sun School, Idyllwild, alt 5800ft. San Jacinto Mts, 1768 Comment
  JOTR31814  Hibiscus denudatus La Doux, Tasha, Bill Truesdell 2007-11-9 2521 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park; Canyon parallel to and east of Lost Palms Canyon (Stop 5) 651 Comment
  NY43246  Hilaria rigida C. R. Annable 1995-3-16 2294 Riverside Ca. 13km NE of Desert Center, on Hwy 177 Comment
  SD259940  Hilaria rigida J. M. Andre 2013-3-27 24809 Riverside Rice Valley: east side of Arica Muntains, along Rice-Midland Rd., 2.2 mi. south of Rice (Hwy 62). Rice 7.5'Q 242 Comment
  SEINET10926755  Hilaria rigida Samuel B. Parish 1896-4-4 Parish 4145 Riverside Palm Springs, (Agua Caliente), desert base of San Jacinto Mt. 152 Comment
  UC1930013  Hirschfeldia incana Scott D. White, Justin Wood 2008-5-15 11991 Riverside San Jacinto Mountains: Johnson Meadow. Comment
  UC519796  Hirschfeldia incana Joseph Andorfer Ewan 1932-7-9 7992 Riverside 1 mi N of Rincon (Chino Creek bottoms at Santa Ana River) Comment
  CDA27094  Hoffmannseggia glauca Earl Asker 1969-7-2 Riverside Coachella Valley. 0 Comment
  CAS-BOT-BC207568  Hoffmannseggia microphylla B. D. Stark 1931-4-27 1091 -seed Riverside Hidden Springs Canyon, 8 1/2 miles from Mecca, Colorado Desert 6 Comment
  LA45783  Hoffmannseggia microphylla Carl Epling; William Robison, William Stewart 1936-3-22 sn Riverside Painted Canyon, near Mecca Comment
  SBBG68865  Hoffmannseggia microphylla L. Rowntree -May-1930 Riverside Fish Traps, Colorado Desert Comment
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Feb 3 2011
  SBBG92826  Hoffmannseggia microphylla D. Charlton 1988-2-18 1134 Riverside Fargo Cyn Rd to Cottonwood Wash, parallel to Interstate 10, ca. 1 mi E of jct of Dillon Rd and Fargo Cyn Rd 609 Comment
  UCD84847  Holcus lanatus A. A. Beetle 1946-6-10 4399 Riverside In San Jacinto Mountains, near Idylewilde. 1219 Comment
  UCR121792  Hordeum depressum A. C. Sanders, Carolyn Washburn 2001-4-17 24040 Riverside San Jacinto Valley, west edge of Hemet, SW corner of Florida Ave. (Hwy 74) and Warren Rd. 457 Comment
  UCR75530  Hordeum intercedens A. C. Sanders 1993-5-12 14012 Riverside San Jacinto Valley, Hemet, SW corner of intersection of Florida Ave (Hwy 74) & Warren Rd., between new San Diego Aqueduct and Warren Road 460 Comment
  CAS-BOT-BC284764  Hordeum murinum subsp. glaucum John Thomas Howell 1956-3-19 31117 Riverside San Jacinto Comment
  UC1605424  Hordeum murinum subsp. murinum Steve Boyd 1986-4-2 1619 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park. Steele Park 7.5' Quad. Comment
  POM21179  Horkelia clevelandii Fordyce Griffiths Jr. 1908-07 s.n. Riverside Strawberry Valley. 1829 Comment
  UCR146261  Horkelia clevelandii Orlando Mistretta, Mark A. Elvin 1995-6-19 1772 Riverside Peninsular Ranges; San Jacinto Mountains, -- exact loc. unrecorded 1463 Comment
  RSA587420  Hulsea heterochroma D. L. Banks, S. D. Boyd 1995-6-2 0564 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail N of the Riverside County boundary, approximately 1/4 mile S of the clay grasslands in S32. 902 Comment
  UC1598600  Hulsea heterochroma C. V. Meyer 1929-6-13 750 Riverside Idyllwild Grade San Jacinto Mts. 1524 Comment
  POM6809  Hymenoclea salsola P. A. Munz, L. T. Street, Williams 1919-3-25 2322 Riverside Palm Springs. Comment
  RSA772012  Hymenoclea salsola Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4959 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  SEINET11847653  Hymenoclea salsola Unknown 1936-1 12744 Riverside Colorado Desert N of Palm Springs Comment
  SEINET5712136  Hymenoclea salsola var. salsola D. F. Howe 1980-1 s.n. Riverside 4 miles west of Mesa Verde, south slope of McCoy Mountains, Hwy 10.; Mesa Verde Comment
  JOTR37450  Hymenoxys cooperi Hodges, Stephen, T. Green 2016-5-24 572 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Quail Mountain Complex; On slopes with granitic boulders descending down east side of Minerva Hoyt peak towards Lost Horse area and in sandy washes beneath slopes (Stop 3). Comment
  CAS-BOT-BC219750  Hyptis emoryi Geo. B. Grant 1906-5-1 776 -6610 Riverside On Colorado Desert at Palm Springs Comment
  RSA0069675  Hyptis emoryi Cheryl Sevilla, Sarah J. De Groot, Duncan S. Bell 2015-2-10 3 Riverside In the Bear Creek drainage of the Santa Rosa Mountains. 2.3 air miles west of Lake Cahuilla; south of La Quinta; north of Devil Canyon; southwest of Coachella Valley. 193 Comment
  RSA420163  Hyptis emoryi Robert Gustafson 1981-4-7 s.n. Riverside Salt Creek Wash, southern end of the Orocopia Mts. 91 Comment
  UC1547001  Hyptis emoryi Leila M. Shultz and John S. Shultz 1985-4-18 8340 Riverside northern extension Chuckawalla Mountains; northern extension Chuckawalla Mountains 182 Comment
  UC987821  Hyptis emoryi Reid Moran 1941-5-5 854 Riverside Eagle Mountains Cottonwood Pass; , Cottonwood Pass Comment
  UCD124918  Hyptis emoryi Geoffrey Levin 1974-3-30 9 Riverside Chino Canyon below the tramway. San Jacinto Mts. Mt. Range. 426 Comment
  CDA34536  Isocoma acradenia Mike Lahti 2009-9-23 PDR# 1501827 Riverside Riverside 0 Comment
  CAS-BOT-BC311606  Isocoma acradenia var. eremophila W. R. Dudley 1903-12-26 s.n. Riverside Palm Canon [Canyon] Comment
  CAS-BOT-BC311611  Isocoma acradenia var. eremophila N. Aitkenhead 1977-2-1 2119 Riverside 1000 Palms Sand Dune Natural Area Comment
  CAS-BOT-BC311615  Isocoma acradenia var. eremophila S. B. Parish 1913-2-28 8475 Riverside Mecca, Salton Sink -60 Comment
  UCR264612  Isocoma acradenia var. eremophila Mitch Provance 2012-11-9 1112- 1 Riverside Colorado Desert, Whitewater, near corner of Whitewater cutoff Rd. and Painted Hills Rd., about 0.1 miles N of Interstate 10 405 Comment
  RSA684554  Isoetes howellii Christopher Davidson 1977-5-25 5665 Riverside Mesa de Burro; Santa Rosa Plateau area of Santa Ana Mountains 701 Comment
  UCR189781  Juglans californica var. californica Theresa Johnson 2007-10-9 402 Riverside Peninsular Ranges, Perris-Aguanga basin, Estelle Mountain 498 Comment
  CAS-BOT-BC110066  Juncus acutus Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  RSA304348  Juncus bryoides Barbara Ertter, Jeffrey L. Strachan 1979-6-26 2972 Riverside Kenworthy Forest Station on Route/ Highway 74 in Garner Valley, San Jacinto Mountains. Comment
  RSA85105  Juncus bufonius J. C. Roos 1952-4-30 5602 Riverside Between Camp Haan and Riverside 534 Comment
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Feb 20 2007
  UC2030094  Juncus bufonius Scott D. White 2000-8-5 8109 Riverside SAN JACINTO MTS: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). Comment
  UCR111606  Juncus bufonius Mitch Provance 1999-5-4 1684 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR176938  Juncus bufonius A. C. Sanders, Guy Bruyea 2003-6-12 26887 .2 Riverside Perris-Aguanga Basin Region, Winchester, SW edge of town between Simpson Ave. and Olive Ave., c. 1 km west of Hwy 79/Winchester Rd. 445 Comment
  UCR20964  Juncus bufonius A. C. Sanders, S. D. Boyd 1980-5-19 1476 Riverside San Jacinto Valley, San Jacinto River c. 1.5 miles west of Lakeview on the Ramona Expressway 427 Comment
  UCR116975  Juncus bufonius var. congestus A. C. Sanders, T. B. Salvato 2001-5-3 24100 A Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UC1922192  Juncus duranii Naomi Fraga, et al. 2006-7-11 1723 Riverside Peninsular Ranges; San Jacinto Mountains region; Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  POM1626  Juncus effusus subsp. austrocalifornicus H. M. Hall 1897-8-11 831 Riverside In the vicinity of Strawberry Valley. 1646 Comment
  UCR201446  Juncus effusus var. exiguus Scott D. White, Justin M. Wood 2008-7-10 12451 Riverside San Jacinto Mountains, Fobes Spring 1500 Comment
  RSA69660  Juncus macrophyllus F. W. Peirson 1924-7-28 5011 Riverside Pine Flats Camp 1799 Comment
  UC2572  Juncus macrophyllus H. M. Hall 1901-7-20 2522 Riverside vicinity of Strawberry Valley San Jacinto Mountains (along water courses) 1615 Comment
  RSA368246  Juncus mexicanus M. B. Dunkle 1933-7-21 3720 Riverside Idyllwild 1616 Comment
  RSA368067  Juncus oxymeris H. de Forest, Jack Rempel 1932-10-22 s.n. Riverside Pines to Palms Highway. Comment
  UCR241642  Juncus oxymeris T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 359 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  RSA559336  Juncus textilis Steve Boyd, Timothy S. Ross 1992-5-15 7406 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 671 Comment
  JOTR35137  Juncus tiehmii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3248 Riverside Joshua Tree National Park. West of Queen Mountain, Wonderland of Rocks; Active, bouldery wash with sandy bottom and large granite outcrops (Stop 3) 1294 Comment
  SD136978  Juncus tiehmii Steve Boyd, Tim Ross 1992-5-15 7390 Riverside Southern Santa Ana Mts,San Mateo Canyon Wilderness Area, major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. Local about vernally active seepage in shallow draw in burned chaparral. 671 Comment
  UC196457  Juncus torreyi S. B. Parish 1913-9-20 8619 Riverside Mecca Salton Sink -57 Comment
  CAS-BOT-BC85415  Juniperus californica Dr. Barton W. Evermann 1916-5-13 s.n. Riverside Cottonwood Springs Comment
  JOTR30096  Juniperus californica La Doux, Tasha, Alice Miller 2007-5-8 1736 Riverside Joshua Tree National Park. Stop 1: Along Key's View Rd., common 1385 Comment
  SEINET7248048  Juniperus californica Louis C. Wheeler 1960-1 7672 Riverside Alberhill Comment
  JOTR31775  Justicia californica Andre, Jim, Tasha La Doux 2009-3-10 11245 Riverside Joshua Tree National Park. South end of the Cottonwood Mountains, near Pinkham Wash just north of aquaduct just inside park boundary; approx. 7mi west of south entrance 541 Comment
  JOTR34318  Justicia californica Andre, Jim 2012-4-11 20816 Riverside Joshua Tree National Park. Western margin of Eagle Mountains; 0.6mi south of Cottonwood Visitor Ctr. along Rte 11 912 Comment
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May 18 2013
  LA202785  Justicia californica Philip A. Munz; 1932-3-14 11971 Riverside Deep Canyon, Coachella Valley 91 Comment
  RSA0092849  Justicia californica Jim M. Andre 2012-4-11 20816 Riverside Joshua Tree National Park; western margin of Eagle Mtns, along road to Cottonwood Spr (Utah Trail), 0.6 mi. south of Cottonwood Visitor Ctr. 913 Comment
  RSA73961  Justicia californica Alice Yates, Jas. E. Wilcox 1952-4-5 29 Riverside Between Box Canyon and Smoke Tree National Monument. 152 Comment
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May 20 2012
  UC494557  Justicia californica Philip A. Munz 1932-3-14 11971 Riverside Deep Canyon Coachella Valley, Deep Canyon 91 Comment
  SBBG129034  Kallstroemia californica A. C. Sanders, T. B. Salvato 2012-10-12 40416 Riverside Chuckwalla Valley, along Chuckwalla Valley Rd, 0.35 mi W of I-10 jct 114 Comment
  UCR146287  Kallstroemia californica Robert E. Preston 1997-10-2 1051 Riverside Sonoran (Colorado) Desert, Palo Verde Mesa, at NE base of Mule Mountains 35 Comment
  RSA210978  Keckiella antirrhinoides C. W. Tilforth 1969-7-24 215 Riverside Along Red Mountain ROad, east of County Hiway R-3, south of Hemet. Comment
  UCD123748  Keckiella antirrhinoides A. C. Sanders; T. B. Salvato 2001-5-3 24083 Riverside Perris-Aguanga Basin region: Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley. 494 Comment
  UCR121318  Keckiella antirrhinoides var. antirrhinoides A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25000 Riverside Peninsular Range; San Jacinto Mtns. Region, The Badlands; summit of Mt. Eden, SW of Beaumont 717 Comment
  UCR21939  Keckiella antirrhinoides var. antirrhinoides Steve Boyd 1980-5-11 252 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  JOTR31149  Keckiella antirrhinoides var. microphylla La Doux, Tasha 2009-6-3 1858 Riverside Joshua Tree National Park. (Stop 2): Little San Bernardino Mountains, Covington Flats Area, Covington Spring 1396 Comment
  SDSU13574  Keckiella cordifolia W. Miller, C. Mosse 1972-7-20 Riverside South side road on bank of north boundary in R.C. Comment
  POM11201  Keckiella rothrockii subsp. jacintensis Philip A. Munz 1922-7-6 6027 Riverside Between Tahquitz Valley and Round Valley. 2287 Comment
  RSA0014927  Koeleria macrantha LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6150 Riverside Along road (5S24). End of Marion Ridge road, south of the community of Pine Cove. Ridge running south down to Idyllwild school of performing arts, west of Strawberry Valley. 1799 Comment
  UCD86081  Koeleria macrantha H. M. Reed 1932-7-3 7294 Riverside San Jacinto Mts., Camp Emerson. Comment
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May 1 2011
  UCR2493  Koeleria macrantha F. M. Reed 1932-7-2 7294 Riverside San Jacinto Mountains, Camp Emerson, Idyllwild 1524 Comment
  UCSB16824  Krameria bicolor Field, L. 1963-5-5 Riverside 5.3 miles south Palm Desert on California Highway 74 Comment
  JEPS64843  Krameria erecta Samuel B. Parish Mar 1882 Riverside Agua Caliente; Colorado Desert [near Palm Springs] Comment
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Jun 22 2012
  JEPS64845  Krameria erecta Marjorie Clary 1931-4-22 1 Riverside above Devils' Canyon; Coachella Valley, above Devils' Canyon Comment
  UC1329992  Krameria erecta James E. Cole 1941-5-21 760 Riverside Cottonwood Road Dale (Joshua Tree National Monument); , Dale 914 Comment
  UCR13704  Krameria erecta N. R. Zabriskie, W. W. Zabriskie 1972-6-9 514 Riverside Santa Rosa Mtns/Colorado Desert, NW of Hwy 74, Deep Canyon drainage. Site 9 1220 Comment
  JOTR30062  Krameria grayi La Doux, Tasha, Mike Bell, Katy Mathews, Alice Miller, Amber Holt 2007-5-23 1693 Riverside Joshua Tree National Park. Stop #2 = Near Geology Tour Rd., N of Malapai Hill 1286 Comment
  RSA408610  Krameria grayi Ora M. Clark 1929-3-17 1751 Riverside S. La Quinta, Cali. Comment
  RSA787591  Krameria grayi Andrew Monks, J. McConnaughy, M. Volke 2010-1 36 Riverside Hwy 177 N of Desert Center and Desert Lily Sanctuary. E of Joshua Tree National Park border. 274 Comment
  UC1543072  Krameria grayi Donald G. Nelson 1936-5-22 394 Riverside on trail down to stream in Palm Springs Canyon (Ribbon Wood Camp, Pines to Palms Highway, near base of Santa Rosa Mountains); near base Santa Rosa Mountains, Pines to Palms Highway Comment
  UCD63325  Lamarckia aurea H. M. Reed 1914-4-23 Riverside Box Springs Mts., arroyo to w., near Sanitarium. Comment
  UCR100631  Lamarckia aurea A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19893 Riverside Lake Skinner area, upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley 595 Comment
  SEINET4670727  Lamarckia aurea H. M. Hall 1900-5-29 1385 Riverside Southern California, Riverside Comment
  RSA469610  Langloisia setosissima subsp. setosissima T. W. Minthorn 1926-5-13 14832 Riverside East of Banning Comment
  HSC82947  Larrea tridentata B. Pitzer 1986-2-9 9 Riverside Martinez Canyon, Santa Rosa Mtns., SW of Valerie Jean, 1 mi. E of canyon mouth. Comment
  RSA390019  Larrea tridentata M. B. Dunkle 1935-3-17 4409 Riverside Desert Center 61 Comment
  RSA390024  Larrea tridentata George B. Grant 1906-5-1 229 -6724 Riverside Palm Springs, Colorado Desert. Comment
  RSA709902  Larrea tridentata Sarah J. De Groot, Leland Lubinsky, Naomi S. Fraga, Lisa Rojas 2005-2-10 4605 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  RSA735214  Larrea tridentata Steve D. Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11236 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  UCR167431  Larrea tridentata John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  UCR214556  Larrea tridentata A. C. Sanders 2010-3-15 37422 Riverside Sonoran (Colorado) Desert, western edge of Blythe near the airport, Black Rock Rd. near the Mesa Dr. and I-10 intersection 120 Comment
  UCR227464  Larrea tridentata Thomas R. Stoughton, J. McConnaughy, D. Monks, M. Volke 2010-4-21 151 Riverside Little San Bernardino Mountains, north of Desert Center, junction of Hwy 177 and Kaiser Road west of Kaiser Road, north of Hwy 177 335 Comment
  UCR228402  Larrea tridentata Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-3-30 105 Riverside Northwestern Colorado (Sonoran) Desert, Coachella Valley Preserve, junction of Ramon Road and Thousand Palms Canyon Road, west of Thousand Palms north of powerline in Preserve 198 Comment
  POM122104  Lastarriaea coriacea Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  CAS-BOT-BC338924  Lasthenia californica H. M. Hall 1902-4-7 2753 Riverside Vicinity of Riverside. Alessandro 426 Comment
  SEINET7073409  Lasthenia californica A. G. Vestal 1963-4-23 s.n. Riverside About 0.1 mile east of Corner at the base of Gavilans Hills. Coordinate datum: NAD27. Comment
  CAS-BOT-BC354215  Lasthenia coronaria Scott D. White 1996-4-14 3899 Riverside E of Hemet: San Jacinto River Wash near Valle Vista, N of Hwy. 74, ca. 1.7 mi W of USFS Cranston Fire Station. 548 Comment
  RSA776212  Lasthenia coronaria Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 864 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 610 Comment
  SEINET11811273  Lasthenia coronaria J. F. Bright, Wyman, C. 1933-1 8050 Riverside near Palm Springs Comment
  RSA550486  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1992-4-15 2235 Riverside San Jacinto Wildlife approximatly 1km east of Davis Road.the polulation extends from an area 20m. of the old San Jacinto River channel to a large alkaline flat, just west of the 1st wildlife ond and extending to the Horse ranch. 133 Comment
  POM13870  Lasthenia gracilis P. A. Munz 1922-4-29 5090 Riverside 0.5 mile south of Lake Elsinore. 381 Comment
  RSA524596  Lasthenia gracilis Steve Boyd, Tim Ross, L. Arnseth 1990-3-29 3911 Riverside Vail Lake area, summit of Big Oak Mtn, N. of lake. 793 Comment
  SDSU14009  Lasthenia gracilis Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2101 Riverside Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 640 Comment
  UC62982  Lasthenia gracilis H. M. Hall 1902-4-7 2753 Riverside vicinity of Riverside (Alessandro) 426 Comment
  UCR1203  Lasthenia gracilis Martha McCarthy 1960-3-27 s.n. Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, along Tenaja Road, 3.8 mi. from junction with Washington Ave. in Murrieta, 25 yards from NW side of road 549 Comment
  UCR129059  Lasthenia gracilis A. C. Sanders, Mitch Provance 2001-4-5 23921 Riverside Moreno Valley, Hwy 215 at Van Buren Blvd., adjacent to March Air Res. Base, Alessandro RR siding 466 Comment
  UCR16886  Lasthenia gracilis J. Texera 1970-4-30 15 Riverside San Jacinto Mtns, 1 mi above Lake Hemet, just off Hwy 74 1341 Comment
  UCR183335  Lasthenia gracilis Mitch Provance 2003-4-26 9881 B Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  CSUSB1275  Lathyrus laetiflorus Carole Sims 1965-3-14 Riverside Roadside, 2-3 miles east of Temecula toward Vail Ranch. 335 Comment
  RSA736298  Lathyrus vestitus subsp. alefeldii Scott D. White, Justin M. Wood, Juan Hernandez 2008-3-12 11762 Riverside Site of proposed Liberty Quarry. Mountains between Temecula Valley and Rainbow Valley just W of Interstate 15. N of the San Diego County Line. 335 Comment
  POM295533  Lathyrus vestitus subsp. laetiflorus Lyman Benson 1946-4-15 12011 Riverside 6 miles southeast of Redlands. Mt. Range: San Bernardino. 609 Comment
  RSA405708  Lathyrus vestitus subsp. laetiflorus D. A. Young 1969-4-12 P- 457 Riverside 10 mi SE of Hemet on State St. 335 Comment
  RSA406641  Lathyrus vestitus subsp. laetiflorus Anonymous 1944-6-16 1432 Riverside San Jacinto Mountains, Pine Cove. 1524 Comment
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Feb 16 2013
  UC62899  Layia glandulosa H. M. Hall 1900-6-3 1506 Riverside Riverside Comment
  POM305823  Layia platyglossa Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1073 Riverside Corona-Elsinore. Comment
  SBBG52764  Layia platyglossa N. C. Cooper 1944-4-22 1160 Riverside Banning 731 Comment
  UC133391  Layia platyglossa T. S. Brandegee 1894-5-2 Riverside Nuevo Comment
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Feb 26 2013
  UCR215625  Layia platyglossa Crystal Sheehan 2010-5-10 49 Riverside Peninsular Range; Gavilan Hills Region, Lake Mathews Reserve, c. 1/4 mi. south of 13225 Cajalco Road, south of Lake Mathews, c. 0.4 mi. SE of intersection of Cajalco Rd. and La Sierra Ave. 429 Comment
  UCR228853  Layia platyglossa A. C. Sanders, T. B. Salvato 2011-3-28 38819 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, powerline corridor along McLaughlin Rd. west of Murrieta Rd., north of Sun City 439 Comment
  UCR6685  Layia platyglossa L. B. Ziegler 1966-6-21 049 Riverside Peninsular Range; San Jacinto Mtns., between Mountain Center and Keen Camp Summit 1448 Comment
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Jan 8 2013
  POM13210  Layia platyglossa subsp. platyglossa P. A. Munz, I. M. Johnston 1922-5-20 5453 Riverside Hemet Valley, San Jacinto Mountains; sandy washes on Garner Ranch 1402 Comment
  CAS-BOT-BC534387  Lemna gibba I. M. Johnston 1925-7-7 5281 Riverside Santa Ana River, 3 miles South of Wineville 182 Comment
  RSA90128  Lemna minor E. K. Balls, Percy C. Everett 1953-8-19 18537 Riverside Head of Palm Canyon, where stream crosses Hwy 74 on Palms to Pines Hwy. 1372 Comment
  RSA593915  Lepidium dictyotum var. acutidens Steve Boyd, Dave Bramlet 1996-4-19 8595 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  CAS-BOT-BC89432  Lepidium fremontii C. L. Hitchcock 1940-4-2 5921 Riverside Joshua Tree National Monument. Cottonwood Springs wash. Comment
  CAS-BOT-BC89434  Lepidium fremontii Ira L. Wiggins 1937-3-9 8755 Riverside 5 miles west of Shaver's Well. Comment
  RSA429905  Lepidium fremontii M. B. Dunkle 1934-3-31 4439 Riverside Pinto Basin, Colorado Desert 915 Comment
  UCR166537  Lepidium lasiocarpum Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10875 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  UCR74377  Lepidium lasiocarpum Theo Glenn 1991-5-1 91- 55 Riverside Sonoran (Colorado) Desert, McCoy Mts, NW of Blythe 240 Comment
  JOTR33733  Lepidium lasiocarpum var. lasiocarpum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2733 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Exposed aplite vein forming a prominent rib line with loose, cobble slope surrounding it (Stop 3) Comment
  UCR116678  Lepidium latifolium A. C. Sanders, Chet McGaugh 2001-7-26 24476 Riverside Perris-Aguanga Basin region, Mockingbird Creek, beside Harley John Rd. just above Mockingbird Canyon Rd., Woodcrest area, Riverside 427 Comment
  UCR112320  Lepidium latipes A. C. Sanders, K. C. Rose 1998-5-21 21865 Riverside Hemet, Alkaline flats west of town, east of the canal, south of Hwy 74 (Florida) and c. 1/4 mi. west of Warren Rd. 457 Comment
  UCR281215  Lepidium latipes Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-10 417- 21 Riverside Elsinore Trough, Baker St., 0.05-0.15 miles SE of Pierce St. [NW edge of city of Lake Elsinore, near Terra Cotta] 384 Comment
  CAS-BOT-BC154069  Lepidium nitidum A. C. Sanders; T. B. Salvato; Mitch Provance 2003-4-4 25833 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  CAS-BOT-BC89853  Lepidium nitidum Steve Boyd 1986-4-2 1621 Riverside Gavilan Plateau, Gavilan Hills. Hartford Springs County Park. 640 Comment
  RSA689378  Lepidium nitidum Scott D. White 2001-4-19 8389 Riverside Perris Basin: Perris/Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5-2 mi west of Interstate 215. 442 Comment
  POM96474  Lepidium virginicum var. pubescens P. A. Munz 1926-4-30 10377 Riverside Alberhill Comment
  RSA543138  Lepidium virginicum var. robinsonii Steve Boyd 1991-3-17 5507 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  UCR97755  Lepidium virginicum var. robinsonii A. C. Sanders 1997-3-1 19715 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  UCR137688  Lepidium virginicum var. virginicum D. L. Banks, V. W. Steinmann 1997-3-13 1485 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  UCR125295  Lepidospartum squamatum A. C. Sanders 2002-11-21 25626 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy,' mouth of Bixby Canyon 457 Comment
  POM153367  Leptochloa fusca subsp. uninervia P. A. Munz, I. M. Johnston 1928-9-12 11242 Riverside North end of Lake Elsinore. Comment
  CLARK-A1528-71  Leptochloa uninervia Fred B. Essig 1966-9-12 Riverside Riverside Comment
  RSA597239  Leptosiphon androsaceus A. C. Sanders, W. E. Hawkins 1996-4-24 18074 Riverside Morongo Indian Reservation, in Hathaway Canyon near Burro Flats. 915 Comment
  POM364626  Leptosiphon lemmonii Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  CAS-BOT-BC339363  Lessingia glandulifera var. glandulifera John Thomas Howell 1927-8-2 2909 Riverside At Idyllwild, Strawberry Valley, Mt. San Jacinto Comment
  POM197815  Lessingia glandulifera var. glandulifera John T. Howell 1927-8-2 2929 Riverside Top of control on road to Hemet, Mt San Jacinto. Comment
  SD229101  Lessingia glandulifera var. glandulifera Dick Schwenkmeyer 2011-8-25 648 Riverside Thomas Mountain, Tool Box Springs Campground 1857 Comment
  RSA589075  Leymus condensatus D. L. Banks, Steve Boyd 1995-10-17 786 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground., Along the broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  UC38168  Leymus condensatus H. M. Hall May 1899 1218 Riverside Smith Mt. San Jacinto Mountains Comment
  RSA544406  Leymus triticoides Steve Boyd, Timothy S. Ross 1991-6-14 6374 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Spings. Comment
  UCD87724  Leymus triticoides F. M. Reed 1926-5-20 5372 Riverside Riverside and vicinity. W of Temecula. Comment
  UCR40550  Lilaea scilloides R. F. Thorne 1974-5-23 44677 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, Rancho California, at north base of Mesa de Colorado 610 Comment
  UCR234764  Limonium duriusculum A. C. Sanders, John F. Green 2012-6-25 40298 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, benches south of I-15 and east of Horsethief Canyon Rd., north end of Bucking Bay Dr. 433 Comment
  RSA562495  Linanthus androsaceus subsp. luteolus Steve Boyd, T. S. Ross 1992-5-5 7241 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail. 793 Comment
  RSA718302  Linanthus bigelovii Michael Honer, L. Hulse 2004-4-2 1884 Riverside East Wide Canyon; near MWD aqueduct, appx 2 mi. N of Dillon Rd. 488 Comment
  LA206675  Linanthus californicus Elizabeth McClintock; J. Fenley 1937-7-10 sn Riverside San Jacinto Mountains, between Hidden Lake and Round Valley Comment
  RSA339068  Linanthus dianthiflorus subsp. dianthiflorus R. F. Thorne, C. W. Tilforth 1980-5-28 54242 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  RSA0053904  Linanthus floribundus Tracy Tennant, Mitch Provance 1998-6-16 MOR- 409 Riverside Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  RSA517246  Linanthus jonesii Steve Boyd, Orlando Mistretta 1986-3-13 1459 Riverside West side Palen Mts.: NE of Desert Center. Comment
  UCR50990  Linanthus jonesii B. G. Pitzer, S. J. Myers, J. Wilkinson 1988-2-21 0603 Riverside Sonoran (Colorado) Desert, S end of Coxcomb Mtns, 0.2 mi. north of Hwy 177 (Old Desert Center - Rice Road), at 10.6 mi. NE of Desert Center 229 Comment
  UCR86865  Linanthus jonesii A. C. Sanders, K. C. Rose 1995-4-27 16727 Riverside Sonoran (Colorado) Desert, Coachella Valley, foot of the Little San Bernardino Mtns., canyon east of Fan Hill, just outside Joshua Tree Nat. Park 549 Comment
  UCR22120  Linanthus lemmonii Steve Boyd 1980-4-13 126 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  CLARK-A1528-711  Linanthus maculatus Charlotte Stocks 1965-5-10 Riverside Whitewater Wash Comment
  SEINET14377214  Linanthus pungens H. M. Hall 1901-6 2130 Riverside San Jacinto Mountains 1524 Comment
  UCR113036  Linaria canadensis var. texana Mitch Provance 1998-3-26 279 Riverside Jurupa Mountains, Glen Avon Hts., Boulder Hill Park, 0.7 km west of Pyrite St. on north side of Granite Hill Dr. 305 Comment
  UCR97433  Linaria canadensis var. texana B. G. Pitzer 1997-3-4 2937 Riverside City of Riverside, vacant lot adjacent to (S of) St. George's Episcopal Church on corner of Watkins Dr. & Spruce St. 305 Comment
  RSA289805  Lipocarpha micrantha B. A. Prigge 1980-8-12 3941 Riverside San Bernardino Mountains, Whitewater Canyon: 0.7 mile WNW of trout farm. 720 Comment
  CSUSB536  Lobularia maritima H. C. Sharma 1976-4-26 760426 3 Riverside Washington Street, about 3 miles south of Washington Street on the side of Mocking Bird Canyon 335 Comment
  JOTR33965  Loeseliastrum matthewsii La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2851 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; sandy wash and gravelly benches with bouldery granitic outcrops Comment
  CHSC1264  Loeseliastrum schottii F. Hughes 1935-4-16 Riverside Colorado desert. Comment
  RSA675045  Loeseliastrum schottii Scott D. White 2001-4-27 8416 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway ca. 15 miles east of the Indio jtn. of I-10/ SR-111. Bajadas and washes adjacent to powerline access roads near unnamed freeway exit accessing pump station. 396 Comment
  SD258330  Logfia depressa J. M. Andre, Glenn Clifton, Ron Kelley 2013-3-21 24388 Riverside Grommet; West Riverside Mountains; at base NW corner of corner range where sand ramps run up against granitic bouldery slopes, about 10 mi SW of Vidal Jct, 3 mi south of Grommet RR xing at Hwy 62 363 Comment
  JEPS33559  Logfia filaginoides W. L. Jepson 1928-4-19 12428 Riverside hills 5 mi n Elsinore 609 Comment
  SEINET251733 Image available Lolium multiflorum Walter Graves 2002-6-11 602 -5 Riverside Riverside: grown at UCR in Agricultural Operations Fields (Riverside East 7.5' Q.:). 305 Comment
  UCR37444  Lomatium utriculatum Steve Boyd 1981-4-10 s.n. Riverside Gavilan Hills, Gavilan Hills, Gavilan Springs Comment
  RSA655088  Lomatium vaginatum Scott D. White 2000-4-17 7656 Riverside Menifee / Sun City Area: South of McColl Ave. and east of I-215 freeway. 442 Comment
  UCSB26906  Lonicera subspicata var. denudata Wilken, Dieter 1969-6-30 Riverside Road to Santa Rosa Mountain, 4.0 miles east of California State Highway 74, Santa Rosa Mountains Comment
  SEINET3815175  Lophocereus schottii John L. Anderson, Duncan Bell and Kim Clark 2013-1 Riverside Comment
  UCR120859  Lotus argophyllus Bern Schwenn 1998-4-11 s.n. Riverside San Bernardino Mountains, Mission Creek, along Pacific Crest Trail and slope on E side of canyon. 823 Comment
  POM229795  Lotus argyraeus var. argyraeus P. A. Munz 1937-5-30 15136 Riverside Santa Rosa Peak. 2409 Comment
  UCR201415  Lotus corniculatus Justin M. Wood, Brandy N. Ulrich 2008-7-14 17 Riverside San Jacinto Mountains, Garner Valley, near intersection of Fobes Ranch Road and Hwy 74 1360 Comment
  UCR93940  Lotus corniculatus B. G. Pitzer 1996-6-26 2911 Riverside Riverside: weed in a lawn at 12th and Lemon Streets 259 Comment
  UC15552  Lotus crassifolius var. crassifolius H. M. Hall 1898-7-1 967 Riverside San Jacinto Mountains 1828 Comment
  RSA406140  Lotus grandiflorus var. grandiflorus N. C. Cooper 1949-6-29 4334 Riverside Idlewild, San Jacinto Mountains. 1524 Comment
  RSA0093975  Lotus hamatus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37673 Riverside Peninsular Range; foothills of Gavilan Hills. Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, near Temescal Canyon Rd. undercrossing and N of Concordia Ranch Rd. 372 Comment
  UCR250106  Lotus hamatus A. C. Sanders 2014-4-9 41009 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 0.2 km NW of intersection with Indian Truck Trail 354 Comment
  UCR90277  Lotus hamatus Scott D. White 1995-7-7 3441 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  UCR29722  Lotus heermannii Wende Rehlaender 1983-5-28 118 Riverside San Jacinto Mtns, Strawberry Creek, below Hwy 74, about 8.5 mi along road from Valley Vista; 3.5 mi SW of Idyllwild, 3.5 mi NW of Baldy Mtn Comment
  POM12928  Lotus oblongifolius P. A. Munz 1922-6-27 5853 Riverside Santa Rosa, Santa Rosa Mts. 1982 Comment
  UC489086  Lotus oblongifolius var. oblongifolius C. V. Meyer 1928-7-24 Riverside Idyllwild Falls San Jacinto Mts. 1981 Comment
  RSA498788  Lotus rigidus Frances L. Cramer 1941-5-3 s.n. Riverside Joshua Tree National Monument Comment
  RSA770294  Lotus scoparius subsp. brevialatus Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4579 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR155305  Lotus scoparius subsp. brevialatus A. C. Sanders 2005-5-4 29838 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  UC665832  Lotus scoparius var. brevialatus Ira L. Wiggins 1941-3-27 9699 Riverside 4 mi n Whitewater Comment
  CSUSB1252  Lotus strigosus D. T. Wright 1966-5-16 Riverside 8 miles southeast of Banning on Banning- Idyllwild road at Hurley Flats Road, San Jacinto Mountains. Comment
  RSA406331  Lotus strigosus Ora M. Clark 1929-2-23 1555 Riverside North of Whitewater Comment
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Nov 9 2011
  RSA657176  Lotus strigosus Bob Rogers 1984-4-28 23 Riverside North-facing slope adjacent to and on the South side of Hwy 74, 3.6 miles from Strawberry Creek going towards Mountain Center. 1220 Comment
  RSA660943  Lotus strigosus A. C. Sanders 1998-3-17 21743 Riverside Shipley/Skinner Reserve area; North Domenigoni Hills, S of Hemet 343 Comment
  RSA771700  Lotus strigosus Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4696 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65119. 604 Comment
  RSA782088  Lotus strigosus Duncan S. Bell 2009-3-7 5 Riverside Arica Mountains: east side of mountain range, approximately 1.7 air miles west of Priest Well. 431 Comment
  UCR282309  Lotus strigosus Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel, Jackie McConnaughy 2011-3-23 839 Riverside Sonoran (Colorado) Desert, Chocolate/Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine' 451 Comment
  UCR84593  Lotus strigosus Scott D. White, S. Ogg 1994-4-21 1975 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  RSA262121  Lotus unifoliolatus E. W. Lathrop 1973-5-28 7502 Riverside Main Divide Truck Trail beween El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  UC1595757  Lupinus arizonicus W. Wisura, J. Dolan, M. Wall 1992-3-24 4621 Riverside on Box Canyon Rd. 5.5 mi ne Mecca (Lowdesert); ne of Mecca Comment
  UCR103567  Lupinus arizonicus George K. Helmkamp, E. A. Helmkamp 1998-2-18 2709 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  UCR165640  Lupinus arizonicus John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  UCR213884  Lupinus arizonicus Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10895 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  SEINET10488541  Lupinus arizonicus James S. Henrickson 1963-3-29 Henrickson 1185 Riverside 8 miles e of mecca, along hwy 195; sandy open arroyo, on slight rise off the Desert floor; infrquent, with other desert annuals 183 Comment
  UCR116793  Lupinus bicolor A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24153 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  UCR171985  Lupinus bicolor John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula; Long Canyon, Southern California Edison right of way, intersection of Southern Cross Road and Agena Street W to Candida Drive 366 Comment
  POM12737  Lupinus bicolor subsp. microphyllus Philip A. Munz 1922-4-29 5079 Riverside [Sedco] Station, south of Elsinore. Comment
  CLARK-A1045-68  Lupinus concinnus subsp. optatus George K. Helmkamp 1978-4-27 Riverside San Jacinto Mountains North Fork San Jacinto River; northeast 1/4 Hemet 15'Q Comment
  RSA192126  Lupinus concinnus var. concinnus E. W. Lathrop 1959-4-17 4476 Riverside 14 miles west of Murrieta. Tenaja Plateau. West slope of Redonda Mesa. Comment
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Apr 28 2011
  RSA413768  Lupinus excubitus var. austromontanus Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
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Nov 29 2010
  RSA552695  Lupinus excubitus var. hallii Steve D. Boyd, Tim S. Ross, Orlando Mistretta 1992-2-26 6703 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  RSA689564  Lupinus excubitus var. hallii Scott D. White, Michael Honer 9120 Riverside San Bernardino Mtns.: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjcent steep east-facing mountain slope. 610 Comment
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Apr 13 2014
  SD137768  Lupinus excubitus var. hallii Darin L. Banks, Steve Boyd 1995-4-5 146 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove, west of the Dripping Springs Trail, on alluvial terraces of the west fork of Arroyo Seco 573 Comment
  UC1979531  Lupinus excubitus var. hallii Darin L. Banks, Steve Boyd 1995-4-5 146 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, W of the Dripping Springs Trail, on alluvial terraces of the W fork of Arroyo Seco. Comment
  RSA430285  Lupinus formosus David B. Dunn, Conrad, Kenney 1973-6-15 20769 Riverside Jct of Hwy 74 and 71, A Gas Station on the SW corner. 1433 Comment
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May 24 2012
  RSA413656  Lupinus formosus var. formosus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  RSA180236  Lupinus hirsutissimus E. W. Lathrop 1965-5-23 5768 Riverside Riverside, 8 miles W of Murrieta 610 Comment
  RSA89958  Lupinus latifolius subsp. parishii E. K. Balls, Percy C. Everett 1953-7-1 18350 Riverside 6.6 miles SE of San Bernardino National Forest Boundary on road from Idyllwild to Banning, San Jacinto Mts. 1829 Comment
  CAS-BOT-BC202088  Lupinus longifolius B. D. Stark 1931-4-18 1939 Riverside Mouth of Gypsum Canyon, Santa Ana Mts. Comment
  UCR132859  Lupinus microcarpus var. densiflorus Kent Beaman 1983-4-24 15 Riverside Santa Ana Mtns., north and west of Murrieta; Clinton Keith Road about 2 miles west of Hwy 15, south side of road just before it starts up a hill 427 Comment
  JEPS108064  Lupinus microcarpus var. microcarpus Rhonda Riggins 1982-4-15 1341 Riverside Guava St. (DeLuz Road) 0.4 mi S jct. Washington Ave. in Murietta Comment
  HSC14875  Lupinus sparsiflorus C. L. Hitchcock 1966-3-16 24186 Riverside About 5 mi. NE of Aguanga Comment
  JOTR32123  Lupinus sparsiflorus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2280 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; sandy flats at base of mountains and northern edge of valley (Stop 4) 996 Comment
  SD137764  Lupinus sparsiflorus Darin L. Banks, Steve Boyd 1995-4-5 135 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove, along the Dripping Springs Trail 609 Comment
  UCR103278  Lupinus sparsiflorus B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3585 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  POM305654  Lupinus sparsiflorus subsp. sparsiflorus Henry J. Ramsey, Henry J. Ramsey 1939-4-22 1012 Riverside Aguanga. Comment
  RSA414279  Lupinus sparsiflorus subsp. sparsiflorus P. J. Remple 1942-3-21 s.n. Riverside Whitewater Canyon. Comment
  SEINET13198373 Image available Lupinus succulentus A. G. Vestal 1947-3-29 s.n. Riverside Comment
  CLARK-A1045-884  Lupinus truncatus George K. Helmkamp 1978-6-1 #1 Riverside Santa Ana Mountains roadside; Wildomar 7.5'Q Comment
  CLARK-A1656-750  Lupinus truncatus Theo Glenn 1982-3-21 Riverside Snow Creek Comment
  RSA414401  Lupinus truncatus M. V. Hood 1945-3-25 s.n. Riverside Colorado Desert, Highway 71 near Aguanga 588 Comment
  RSA772530  Lupinus truncatus Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4441 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  UC1929901  Lupinus truncatus Scott D. White 2004-4-26 10253 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. Lake Fulmore 7.5' Quad. Comment
  UCSB10439  Lupinus truncatus Lloyd, Robert 1960-3-23 Riverside 2 miles up Snow Canyon Road; from State Rd. 111; Colorado Desert Drainage Area; San Jacinto Mountain Range 609 Comment
  CAS-BOT-BC231415  Lycium andersonii W. L. Jepson 1912-10-28 5240 Riverside Riverside Mts., Colorado River 121 Comment
  POM4210  Lycium andersonii C. F. Baker 1904-4-4 12466 Riverside Elsinore. Comment
  RSA512155  Lycium andersonii Ed LaRue 1989-5-8 s.n. Riverside Mockingbird Canyon area, S of Van Buren Blvd and ca 1/2 mi (airline) E of Mockingbird Canyon Road. Comment
  RSA525266  Lycium andersonii Steve D. Boyd 1990-5-3 4579 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  UC1329895  Lycium cooperi James E. Cole 1941-5-17 721 Riverside Covington Flat Canyon Joshua Tree National Monument 1432 Comment
  RSA0054924  Lycium cooperi W. Marquart 1938-3-12 s.n. Riverside Mule Mts. South of Chuckawalla Range. Comment
  RSA678927  Lythrum hyssopifolia Scott D. White, Michael Honer 2003-6-3 9470 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UCR20968  Lythrum hyssopifolia A. C. Sanders, Steve Boyd 1980-5-19 426 Riverside San Jacinto Valley, San Jacinto River c. 1.5 miles west of Lakeview on the Ramona Expressway 427 Comment
  RSA0107901  Machaeranthera pinnatifida subsp. gooddingii Duncan S. Bell, Thomas Stoughton 2010-3-19 575 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; approximately 2.3 air miles west of Priest Well. 428 Comment
  RSA479855  Machaeranthera tephrodes L. F. LaPre, K. Campbell 1988-4-1 s.n. Riverside Colorado River Valley at Blythe. 91 Comment
  UCR261217  Malacothamnus densiflorus A. C. Sanders, Jeff Crain 2015-5-20 41741 Riverside Temesal Canyon, Temescal Creek at I-15 bridge, 2.2 km west of Lake St. at Alberhill 363 Comment
  CSUSB1444  Malacothamnus fasciculatus Randy Salstrom 1966-4-12 s.n. Riverside On slopes of canyon of Box Springs Mountains at east end of Blain Street in Riverside 274 Comment
  RSA0124287  Malacothamnus fremontii Duncan S. Bell 2016-4-16 9327 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  CAS-BOT-BC347698  Malacothrix glabrata Scott D. White 1996-4-14 3897 Riverside Perris Basin, W Riverside Co. E of Hemet: San Jacinto River Wash near Valle Vista, N of Hwy. 74, ca. 1.7 mi W of USFS Cranston Fire Station 550 Comment
  POM362311  Malacothrix glabrata N. C. Cooper 1944-4-21 1154 Riverside Banning 701 Comment
  POM362322  Malacothrix glabrata Ora M. Clark 1929-3-16 1693 Riverside South of Cabazon. Comment
  RSA543755  Malacothrix glabrata Steve Boyd, Mike Hammitt 1991-5-2 6075 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  RSA682161  Malacothrix glabrata Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10484 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UCR41399  Malacothrix glabrata N. M. Fellows, A. C. Sanders 1985-5-7 165 Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  UCR94651  Malacothrix saxatilis var. tenuifolia Scott D. White 1996-5-27 4069 Riverside Badlands, Jackrabbit Canyon, east of Moreno Valley and south of Calimesa, between Hwy 60 and Gilman Springs Road. 610 Comment
  RSA335011  Malvella leprosa Steve Boyd 1985-8-7 1120 Riverside Santa Rosa Plateau Region, NW base of Redonda Mesa on Tenaja Road, 0.8 mile east of jct with 8S01 and 8S02. Comment
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Feb 26 2013
  SD186174  Marah macrocarpa A. C. Sanders 2004-4-20 27525 Riverside Santa Rosa Plateau, 0.5 km west of Tenaja Road and north of the San Diego county line. 640 Comment
  UC28936  Marah macrocarpa Wright 1890-1 Riverside Colorado Desert Comment
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Nov 29 2010
  UCR20697  Marah macrocarpa A. C. Sanders, Steve Boyd 1980-5-2 1388 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  JOTR29085  Marina parryi La Doux, Tasha 2005-3-30 1202 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  RSA457764  Marina parryi Steve D. Boyd, Richard Noyes, L. Arnseth, D. Nordin, Tim Ross 1988-3-10 2131 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA777855  Marina parryi Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 840 Riverside Chuckwalla Mountains Wilderness, off Corn Spring Road. Large wash draining out of large canyon in Chuckwalla Mountains, draining through pavement plain bajadas 396 Comment
  UCR196345  Marina parryi Naomi Fraga, Lisa Rojas 2005-2-10 1411 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 502 Comment
  UCSB59680  Marina parryi Boyd, Steve; Meury, S.; Noyes, R. 1988-3-10 Riverside N end Palen Mtns., 2 mi. west of Palen Pass 300 Comment
  SD152791  Meconella denticulata Steve Boyd, Carol Boyd and Kyle Boyd 1992-3-21 6735 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Tenaja Canyon, along trail from wilderness boundary downstream towards Fisherman's Camp. 366 Comment
  CSUSB1090  Medicago polymorpha William R. Bowen 1962-4-20 051 Riverside Canyon Crest on the UCR campus 304 Comment
  UCR91481  Medicago polymorpha Scott D. White, M. Jacobsmeyer 1996-4-20 3962 Riverside Perris Basin, Perris area: just south of Perris Airport, SE of Goetz Road/ Mapes Road intersection, north of San Jacinto River Channel 430 Comment
  UCR95244  Melaleuca citrina D. L. Banks, E. H. Banks 1996-5-2 956 Riverside Agua Tibia Mountains, NW Palomar Mountains; NW foothills of Dorland Mtn, S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage 524 Comment
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Jun 5 2006
  RSA751625  Melia azedarach G. Gust, L. Nye 2005-3-11 537 Riverside Lake Elsinore City Limits. At intersection of Ellis St. and Franklin St. in an overgrown disturbed site. 400 Comment
  RSA653648  Melica californica A. C. Sanders, G. Helmkamp 1997-3-15 19916 Riverside Lake Skinner area: hill (1864) E of Skinner Lake at NW end of Tucalota Hills., (33 deg 35.4'N, 117 deg 01.4'W; T7S R1W W/2 of SE/4 S6). [UTM 10km cell: MH-9E, 1N. Skinner Reservoir] 549 Comment
  RSA577749  Melica frutescens F. M. Reed 1926-5-15 5338 Riverside South of Menifee 579 Comment
  OBI77704  Melica imperfecta Steve Myers 1988-1 s.n. Riverside Temescal Cyn, ca 1/4 mi W of intersection of hwy I-15 and Indian Truck Trl 381 Comment
  SEINET2473421 Image available Melica imperfecta Andrew C. Sanders, T. B. Salvato 2011-1 38839 Riverside Peninsular Range; Edge of Gavilan Hills; Meadowbrook area, between Perris and Lake Elsinore, along Hwy 74 at Wasson Canyon Rd. and to c. 1/2 between Wasson & Hammack Ave. 500 Comment
  UCR176909  Melica imperfecta Tracy Tennant 1998-6-18 2024 Riverside San Jacinto Mtns., Bee Canyon, NE of Valle Vista 793 Comment
  RSA619543  Melilotus indicus D. L. Banks 1997-5-5 1992 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  SBBG69353  Mentzelia M. N. Ackley -May-1929 505 Riverside Tahquitz Lodge 1524 Comment
  RSA0060678  Mentzelia affinis Dave Silverman, Onkar Singh 2010-3-25 7846 Riverside Palo Verde Mesa, 220 m east of Black Creek Rd, 6.6 km west of McCoy Wash, and 8.2 km north of I-10. 160 Comment
  UCSB4255  Mentzelia albicaulis Beeks, Richard 1952-4-5 Riverside 12 miles east of Shaver Summit Comment
  UCR25032  Mentzelia congesta A. C. Sanders 1980-7-18 1631 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  JEPS20770  Mentzelia involucrata Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13257 Riverside 2.3 mi above Midland P.O. (U.S. gypsum mine property.); Little Maria Mts. Comment
  RSA440423  Mentzelia involucrata A. C. Life 1916-2-20 s.n. Riverside Colorado Desert Comment
  RSA440425  Mentzelia involucrata Robert L. Dressler 1949-3-19 402 Riverside Box Canyon, Orocopia Mts. Comment
  RSA676039  Mentzelia involucrata Scott D. White 2001-4-11 8289 Riverside Sonoran Desert: Indio Hills foothills / Coachella Valley. Northern terminus f Rio Del Sol Road, about 2 miles north of Thousand Palms. 146 Comment
  UC872535  Mentzelia involucrata Mrs. Joe Clemens 1922-4-10 Riverside Mecca Comment
  VVC305  Mentzelia involucrata W. W. Mayhew 1960-3-17 s.n. Riverside Colorado Desert, 4.5 miles NW Desert Hot Springs. 482 Comment
  RSA173992  Mentzelia involucrata var. megalantha Robert F. Thorne 1963-3-29 32398 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
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Dec 14 2011
  UCR35317  Mentzelia laevicaulis L. B. Ziegler 1967-10-4 253 Riverside San Jacinto Mtns., San Jacinto Mtns. 915 Comment
  UC700968  Mentzelia longiloba Aven and Ruth Nelson 1939-3-30 3336 Riverside near Desert Center (hiway 60) Comment
  UCR51971  Mentzelia obscura Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2113 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  RSA446890  Mentzelia veatchiana Robert L. Rutherford 1945-5-24 1660 Riverside Big Oaks Canyon, Banning 1220 Comment
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Oct 30 2011
  RSA740070  Mentzelia veatchiana Scott D. White, Justin M. Wood 2008-6-16 12133 Riverside San Jacinto Mountains: Meadow at Quinn Flat. 1378 Comment
  RSA772021  Mentzelia veatchiana Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4948 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 823 Comment
  UCR140737  Mesembryanthemum nodiflorum A. C. Sanders 2004-5-12 27856 Riverside Elsinore Basin Region, Alberhill Mountain, northwest foot near Lake St. at Alberhill 378 Comment
  UCR220325  Microseris douglasii D. E. Bramlet 1992-4-15 2227 Riverside Perris-Aguanga Basin Region, 7.5 km SW of Hemet, just east of California Ave and c. 100 m north of the ATSF RR tracks, NE of the intersection of California Ave. and Marvin Hull Road and c. 300 m west of the MWD Canal 453 Comment
  UCR269901  Microseris douglasii D. E. Bramlet, Amy Hills, R. E. Riefner Jr., Russell Huddleston 2005-3-2 3658 Riverside Perris-Agunaga Basin Region; San Jacinto Valley, west of Hemet, east of San Diego Canal, west of Warren Rd., south of Hwy 74, north of W Stetson Ave. 457 Comment
  RSA543772  Microseris heterocarpa Steve Boyd 1991-5-7 6173 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  UCR90391  Microseris heterocarpa D. L. Banks, Steve Boyd 1995-5-9 0326 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, west of the Dripping Springs Alcove, west of Woodchuck Campground. 701 Comment
  UCR112560  Microseris lindleyi A. C. Sanders 1998-3-17 21742 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, south of Hemet 343 Comment
  UC26710  Mimulus H. M. Hall 1899-5-31 Riverside Smith Mt. Comment
  RSA586766  Mimulus aurantiacus D. L. Banks, S. D. Boyd 1995-5-17 464 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail, along the W fork of Upper Arroyo Seco. 659 Comment
  LA209117  Mimulus aurantiacus var. pubescens Elizabeth McClintock; 1935-5-12 sn Riverside Massacre Canyon near San Jacinto Comment
  RSA500119  Mimulus aurantiacus var. pubescens Steve Boyd, Tim S. Ross, L. Arnseth 1989-6-10 3692 Riverside Vail Lake area, benches of Arroyo Seco and slopes of adjacent hills to E. 488 Comment
  RSA666637  Mimulus aurantiacus var. pubescens A. C. Sanders, Mark A. Elvin, Julie Vanderwier 2002-4-22 25001 Riverside The Badlands: summit of Mt. Eden, SW of Beaumont. 686 Comment
  UC1329893  Mimulus aurantiacus var. pubescens James E. Cole 1941-5-2 672 Riverside Lost Horse Valley Joshua Tree National Monument 1310 Comment
  POM27  Mimulus aurantiacus var. puniceus Robinson, Crocker 1916-3-29 s.n. Riverside Santa Ana Mountains, near Murrieta. Comment
  RSA442714  Mimulus aurantiacus var. puniceus Ora M. Clark 1929-3-2 1630 Riverside Near Elsinore. Comment
  RSA420958  Mimulus bigelovii var. bigelovii Robert L. Dressler 1949-3-19 421 Riverside Coxcomb Mountains, 23 miles NE of Desert Center. Comment
  RSA649248  Mimulus bigelovii var. bigelovii Sears 1978-3-18 937 b Riverside Corn Springs Wash at Corn Spring, 7 mi. SE of Desert Center. 563 Comment
  UCR158264  Mimulus brevipes A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30120 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  UCD122517  Mimulus cardinalis R. N. Raynor 1938-6-20 s.n. Riverside Coahuila. Comment
  UCR101801  Mimulus cardinalis George K. Helmkamp, E. A. Helmkamp 1998-8-17 4443 Riverside Santa Ana Mtns., San Juan Canyon along the Ortega Hwy (Calif. Hwy 74) beside the Orange Co. line 503 Comment
  UCR167674  Mimulus cardinalis T. B. Salvato, Melissa Clemons 2005-6-23 1291 Riverside Peninsular Range; Temescal Valley, Walker Canyon, 1.5 mi due east of Alberhill, N of Hwy I-15 412 Comment
  CLARK-A1528-4243  Mimulus floribundus John C. Roos 1937-5-10 2330 Riverside Perris Comment
  UCR193126  Mimulus fremontii A. C. Sanders, Tim Thomas 2008-6-20 35535 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  UC1475132  Mimulus fremontii var. fremontii S. B. and W. F. Parish Apr. 1882 1218 Riverside Morongo Comment
  CSUSB890  Mimulus guttatus Mark T. Wexler 1973-5-13 Riverside Cleveland National Forest Cleveland National Forest, 0.7 miles west on Los Pinos Forestry Camp turnoff from State Highway 74 (5.29 miles from Orange County line). 609 Comment
  UCR167822  Mimulus guttatus T. B. Salvato, Melissa Clemons 2005-6-2 1347 Riverside Peninsular Range; Temescal Valley, Gavilan Hills, c. 0.5 mi SE of Steele Peak, 4 miles SW of Perris, and 6 miles NNE of Lake Elsinore, NW of Hwy 74 610 Comment
  UCR174626  Mimulus guttatus Holly Summers, Jennifer H. Jones and Thi (Teresa) Bui 2006-5-31 s.n. Riverside Peninsular Ranges; San Jacinto Mtns., Stream below parking lot on Calif. Hwy 243 across road from Lake Fulmor 1616 Comment
  JEPS3007  Mimulus palmeri Frank W. Peirson 1929-5-4 Riverside summit St. John's Grade 792 Comment
  UC56262  Mimulus parishii F. Gilman 1902-1 17 Riverside Palm Springs Comment
  CAS-BOT-BC10910  Mimulus suksdorfii Philip Alexander Munz 1922-7-6 5995 Riverside Tahquitz Valley, San Jacinto Mountains. 2194 Comment
  UCR21136  Mirabilis californica Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  UCR97267  Mirabilis californica Scott D. White 1995-4-5 2746 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  UCR97468  Mirabilis californica A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19886 Riverside Peninsular Range, Lake Skinner area; lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 Comment
  UCR133328  Mirabilis laevis John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UC101227  Mirabilis laevis var. villosa S. B. and W. F. Parish Apr 1881 659 Riverside Cabezon Comment
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Mar 21 2011
  SFV20157  Mirabilis multiflora var. pubescens J. N. Hogue, S. G. Hogue, J. M. Wrublik 2005-9-5 263 .4 Riverside Santa Rosa Mountains Santa Rosa Mountain Truck Trail (=USFS Road 7S02). 0.7 miles from Highway 74. 1500 Comment
  SEINET3162335  Mirabilis tenuiloba S. B. Parish 1907-4-18 6072 Riverside western border of the Colorado Desert; Southern California 150 Comment
  UCR114329  Miscanthus sinensis Mitch Provance 1998-9-28 1159 Riverside City of Riverside, Hillside area, Joseph and Socorro Gomez residence, 5575 Dean Way. 238 Comment
  RSA0031616  Mohavea confertiflora Jim Andre 2013-3-27 24812 Riverside Riverside Mountains; east side of Riverside Mountains, along Hwy 95, 13.2 mi. south of Vidal Jct. 126 Comment
  RSA703805  Mohavea confertiflora LeRoy Gross 2005-3-3 1604 Riverside Palen Mountains, south side. Near end of old prospect road. [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  RSA727864  Mohavea confertiflora Naomi S. Fraga, Lisa Rojas 2005-2-10 1359 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  SBBG7038  Mohavea confertiflora H. and M. Dearing 1942-3-9 4829 Riverside Eagle Cyn near Palm Springs Comment
  SEINET6192025  Mohavea confertiflora C. Francis Shutts 1949-3-18 47 Riverside Box Canyon on old Mecca-Blythe Hwy. 183 Comment
  UC673535  Mohavea confertiflora H. L. Mason 1928-3-10 4209 Riverside Coachella Mountains, Hidden Springs Canyon Hidden Springs Canyon; Coachella Mountains, Hidden Springs Canyon Comment
  UCR166857  Mohavea confertiflora Chet McGaugh 2005-1-27 s.n. Riverside Sonoran (Colorado) Desert, E of Salton Sea, along Coachella Canal between siphons 26-27 NE of Dos Palmas Spring 24 Comment
  RSA608162  Mollugo cerviana Steve Boyd, Valerie Soza, Tasha La Doux 1997-10-13 10050 Riverside Sonoran (Colorado) Desert Chuckwalla Mtns, NW base of the range, south of Eagle Mine Rd exit on Hwy I-10. 426 Comment
  UC1995304  Monardella C. Epling, Wm. Robison 1933-6-26 Riverside Key's View Little San Bernardino Mountains 1524 Comment
  RSA679072  Monardella australis subsp. australis Michael Denslow, Firoozeh Navid-Ara, Valerie Soza 2003-7-15 1449 Riverside Tahquitz Peak, on saddle east of summit 2637 Comment
  SEINET5333332  Monardella australis subsp. australis G. B. Grant 1904-7-23 795 a-6348 Riverside Mt. San Gorgonio 2286 Comment
  UC519759  Monardella breweri subsp. lanceolata C. Epling 1932-6-26 Riverside Jurupa Hills Comment
  UCR90350  Monardella lanceolata Scott D. White 1995-6-30 3433 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  LA62727  Monardella linoides subsp. linoides Philip A. Munz; 1938-8-14 15380 Riverside Santa Rosa Mountains, E of Toro Peak 2285 Comment
  LA57196  Monardella nana Philip A. Munz; 1937-5-31 15114 Riverside at Anza tablet, head of Coyote Canyon, S.W. of Riverside county Comment
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Mar 11 2014
  LA96154  Monardella nana Elizabeth McClintock; 1941-5-22 sn Riverside Anza Monument. 5 mi. S of Anza, on rd to Coyote Canyon Comment
  UC1499901  Monardella nana Elizabeth McClintock 1941-6-8 62 Riverside Road to Santa Rosa Mts. 2.6 miles above Pines to Palms Highway Comment
  RSA750277  Monardella nana subsp. arida Elizabeth McClintock, H. Lewis 1941-6-29 78 Riverside Road up Santa Rosa Mt. 2.3 miles beyond canyon where stream crosses road. Comment
  RSA282904  Monardella nana subsp. tenuiflora C. W. Tilforth 1980-7-15 2075 Riverside South of Thomas Mountain Campground along Thomas Mountain Road, south of Lake Hemet & west of Highway 74. Comment
  RSA401635A  Monardella nana subsp. tenuiflora G. Willett 1931-6-24 s.n. Riverside San Jacinto Mountains. Comment
  UC1499867  Monardella nana subsp. tenuiflora Elizabeth McClintock 1940-6-30 23 Riverside Fuller Mill Creek Camp Banning-Idyllwild road Comment
  UC25483  Monardella nana subsp. tenuiflora H. M. Hall 1897-7-17 691 Riverside e Strawberry Valley; San Jacinto Mts. 1828 Comment
  UCR23122  Monardella nana subsp. tenuiflora Jeanine Derby 1978-6-9 s.n. Riverside San Jacinto Mtns, SE of Lake Fulmor parking lot. Comment
  UC75893  Monolopia lanceolata Miss M. A. King 1893-1 Riverside Menifee Comment
  UCR78333  Monolopia lanceolata D. E. Bramlet 1993-4-13 2325 Riverside Adjacent to (north of) the existing dirt access road, 610 m north of Cajalco Rd, in the 'Cajalco Bend' area, 1.1 km west of Lake Mathews Drive 433 Comment
  POM13931  Monoptilon bellioides P. A. Munz 1922-3-12 4712 Riverside Andreas Canyon, Palm Springs. [Santa Rosa Mtns., W margin Colorado Des -SW] Comment
  UCR139719  Monoptilon bellioides B. G. Pitzer 1989-4-16 1297 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, just outside impact area, 1 km south of Tabaseca Tank 700 Comment
  UCR147839  Monoptilon bellioides Steve Boyd, Et al. 2004-5-14 11285 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range 570 Comment
  POM48333  Muhlenbergia californica E. C. Jaeger 1925-3-1 s.n. Riverside Snow Canyon, San Jacinto Mts. alt. 1500 ft. 457 Comment
  UCR82767  Muhlenbergia californica A. C. Sanders, T. Schram, D. Wappler 1994-10-6 15784 Riverside San Jacinto Mtns, Azalea Creek above Twin Pines, Twin Pines Creek drainage 1192 Comment
  CAS-BOT-BC275304  Muhlenbergia microsperma I. M. Johnston 1920-5-8 2262 Riverside Box Spring Mountain Comment
  CLARK-A1528-4756  Muhlenbergia microsperma John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  POM47180  Muhlenbergia microsperma Mary F. Spencer 1920-4-7 1548 Riverside Palm Canyon. Comment
  RSA501027  Muhlenbergia microsperma Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3147 Riverside Vail Lake area, ridge along N edge Oak Mountain, 1.5-2.0 miles W of the dam. 518 Comment
  SD247289  Muhlenbergia microsperma A. C. Sanders, Jim Malusa 2015-3-9 41361 Riverside Sonoran (Colorado) Desert: Chocolate Mountains, along Gasline Road at major wash crossing 1.9 mi south of Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range (Red Cloud Casnyon 7.5'Q) 679 Comment
  SEINET191996  Muhlenbergia microsperma C. L. Hitchcock 1940-4-2 5915 Riverside Cottonwood Spring Wash Joshua Tree National Monument. Comment
  UCD86846  Muhlenbergia microsperma F. M. Reed 1920-1-25 4155 Riverside Riverside and Vicinity. Box Springs Mountains. 640 Comment
  JOTR30811  Muhlenbergia porteri Andre, Jim, Tasha La Doux 2008-9-16 10689 Riverside Joshua Tree National Park. along Bell Mountain Rd. atop Bell Mountain, approximately 0.3 miles north of radio tower. Queen Mountain USGS 7.5 min quad Near 34 00.35' N 116 00.017' W 1358 Comment
  SEINET3082644 Image available Muhlenbergia porteri Jim Andre, T. La Doux 2008-9-16 10689 Riverside Mojave Desert: Joshua Tree National Park, along Bell Moutain Road atop Bell Mountain, c. 0.3 mi. north of radio tower (Queen Mountain 7.5' Q.) 1359 Comment
  SD132481  Muhlenbergia rigens Scott White 1990-10-23 Riverside 8.5 mi. (airline) ENE of Temecula; E of De Portola Rd. on El Dorado Rd., freshwater marsh 487 Comment
  UCR104939  Muilla maritima A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20699 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek [c. 2.5 miles below Twin Pines Rd. on dirt road] 854 Comment
  CHSC23898  Nama demissa T. M. Lane 1975-3-24 5 Riverside In a wash, 1 mi n or US Interstate 10 at s entrance of Joshua Tree National Monument on Pinto Basin Rd. 533 Comment
  UCR148478  Nama demissa John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  UCR241518  Nama demissa A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40640 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit 410 Comment
  UCSB5301  Nama demissa Beeks, Richard 1952-4-4 Riverside 2.15 miles W. of junction of U.S. 60, U.S. 40, and U.S. 195 Comment
  RSA112808  Nama hispida var. spathulata H. D. Ripley, R. C. Barneby 1942-4-1 4267 Riverside 15 miles W of Blythe, Riverside County. Alt 450m 450 Comment
  POM158438  Nassella lepida P. A. Munz 1927-5-21 10882 Riverside 10 miles SW of Coahuila [now Cahuilla] Comment
  SEINET3523241 Image available Nasturtium officinale Diane L. Ill 1985-5-12 40 Riverside Gavilan Hills, Hartford Springs, 1.6 miles south of Cajalco Road on Gavilan Road. Right side of road along Spring. Comment
  RSA593894  Navarretia fossalis R. E. Riefner 1995-11-29 95 -406 Riverside Davis Rd. San Jacinto Wildlife Sanctuary, 0.4 miles S of Old San Jacinto River. Comment
  UCR189559  Navarretia fossalis Diane Menuz 2006-5-9 077 Riverside Peninsular Range, Perris Basin, San Jacinto Wildlife Area, across the street from main headquarters and information booth 432 Comment
  POM316902  Nemacladus glanduliferus P. A. Munz 1922-4-9 4745 Riverside Palm Springs. 76 Comment
  SEINET10906230  Nemacladus longiflorus Vestal 1963-5-19 VESTAL s.n. Riverside About 1.5 miles northeast of Aguanga Comment
  RSA0126340  Nemacladus longiflorus var. longiflorus Steve Boyd 1986-4-22 1753 Riverside Temescal Canyon; Stable alluvial benches of Indian wash just S of I-15. Comment
  RSA487534  Nemacladus orientalis B. Pitzer 1988-3-10 647 Riverside Chuckwalla Mountains. W side of mountains, on gas line road ca. 1.5 mi north of intersection with Red Cloud Mine Road (and wash); ca. 2 miles (airline) S of Highway I-10. (Red Cloud Road. 10 km cell; PH-2N, 3E) 488 Comment
  SEINET10461021  Nemacladus pinnatifidus Willis L. Jepson 1928-4-25 Jepson 12601 B Riverside Cottonwood Springs, Eagle Mountains, Colorado Desert 732 Comment
  RSA586852  Nemacladus ramosissimus D. L. Banks, S. D. Boyd 1995-5-3 0271 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  RSA747139  Nemacladus ramosissimus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30061 Riverside UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 457 Comment
  UC29177  Nemacladus ramosissimus Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  SD5030  Nemacladus rubescens Edmund C. Jaeger 1926-2-2 Riverside CaA'on Springs, Salt Creek Wash near Dos Palmos. Comment
  RSA0126416  Nemacladus sigmoideus W. L. Jepson 1928-4-25 12601 -A Riverside Cottonwood Springs, Eagle Mountains. 732 Comment
  RSA767265  Nemacladus tenuis var. tenuis Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10883 Riverside Eastern Coachella Valley. Bajada beneath Mecca Hills , just east of Coachella Canal. 24 Comment
  SBBG7470  Nemacladus tenuis var. tenuis H. and M. Dearing 1937-4-10 1834 Riverside Thousand Palms Cyn Comment
  RSA783625  Nemophila menziesii J. D. Olmsted 1962-5-3 3479 Riverside on Baldy Mountain along Pines to Palms Hwy, 1.5 miles S of 4936 summit south of Mt. Center 1311 Comment
  UCR16820  Nemophila menziesii S. M. Chambers 1970-5-9 19 Riverside Santa Rosa Mtns., State Hwy 74, 1 mi. west of Santa Rosa Mountain Road 1220 Comment
  SD137733  Nemophila menziesii var. integrifolia Darin L. Banks, Peter Morrell 1995-5-4 301 Riverside Cleveland Nat'l Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of Dripping Springs Alcove Area, N of Woodchuck Trail. 609 Comment
  UCR174071  Nerium oleander A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32584 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  JOTR01275  Nicolletia occidentalis Cole, James E. 1942-5-24 979 Riverside Joshua Tree National Park. QUEEN VALLEY 1341 Comment
  UCD126671  Nicotiana glauca R. N. Raynor 1933-3-31 s.n. Riverside Moreno Valley. Comment
  RSA644222  Nicotiana obtusifolia Victor W. Steinmann, P. I. Moscosa, T. S. Ross 1998-4-14 1362 Riverside Orocopia Mountains, 1.5 km southwest of the Hayfield exit of I-10; ca. 600 m. Along a small wash on north-facing slope. 183 Comment
  UCR101597  Nicotiana obtusifolia Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  UCR274849  Nicotiana obtusifolia David Fraker, Aaron C. Sedgwick 2012-4-5 075 Riverside Sonoran (Colorado) Desert, north of the Salton Sea on Dos Palmas Spring Road, c. 500 ft south of the aqueduct 2 Comment
  UC64483  Nicotiana quadrivalvis H. M. Hall Jun 1897 Riverside Riverside Comment
  UCR114314  Nicotiana quadrivalvis Mitch Provance 1998-3-21 274 Riverside Jurupa Hills, Sunnyslope, Ormand Quarry. 280 Comment
  CAS-BOT-BC131850  Nolina bigelovii A. C. Sanders; G. Helmkamp; O. Clarke; B. Pitzer; et al. 1996-11-9 19645 Riverside Colorado Desert: Orocopia Mtns., near Bob's Cabin, 5 mi. (air) S of Hayfield Pump Sta., E of Maniobra V., central sec. of (N of peak 2552 to BMk 1899) arroyo 610 Comment
  LA22816  Nolina parryi Carl Epling; William Robison 1933-6-26 sn Riverside Little San Bernardino Mountains, Key's View 1523 Comment
  UC3806  Nolina parryi H. M. Hall 1901-6-18 Riverside near Van Deventer's (e base of mountains near borders of Colorado Desert); San Jacinto Mountains Comment
  UC63871  Nolina parryi H. M. Hall May 17 1901-Jun 1 1901 1819 Riverside se base San Jacinto Mt. 1402 Comment
  UCR24197  Nolina parryi John C. Roos, Lucille Roos 1949-4-23 4282 Riverside Sonoran (Colorado) Desert, Eagle Mtns., Munsen Canyon Comment
  CAS-BOT-BC71173  Notholaena californica Lewis S. Rose 1966-12-13 66102 Riverside Palm Springs, Tahquitz Wash 182 Comment
  UCR240762  Notholaena californica subsp. californica A. C. Sanders, John F. Green 2012-3-21 39980 Riverside Peninsular Range; Gavilan Hills, Good Hope area, under powerlines south of dirt extension of Ethanac Rd. and north of Richard St., between Hwy 74 & San Jacinto River, 3.7 mi. SW (216 deg. ) of central Perris 475 Comment
  CAS-BOT-BC171492  Oenothera californica Richard Snow 1957-4-1 318 Riverside Sandy field 11 miles west of Riverside on Highway 60 Comment
  RSA115923  Oenothera californica subsp. californica Richard Snow 1957-4-1 318 Riverside Sandy field 11 miles west of Riversode on Hwy 60. Comment
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Mar 23 2014
  RSA192049  Oenothera californica subsp. californica E. W. Lathrop 1960-5-7 5243 Riverside Murrieta. Comment
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Mar 14 2014
  RSA0113587  Oenothera claviformis Henry J. Ramsey, Henry J. Ramsey 1940-4-14 1991 Riverside 50 miles north of Blythe, Colorado Desert. Comment
  HSC25079  Oenothera deltoides Richard Spjut 1972-2-7 2174 Riverside Riverside/San Bernardino Cos., Colorado Desert, 4-10 mi. W of Rice along Hwy. from Rice to 29 Palms Hwy. or to Desert Center, N end of the Maria Sand Dunes 305 Comment
  SD247470  Oenothera deltoides T. B. Salvato, R. T. Hawke, et al. 2013-3-8 7302 Riverside Sonoran (Colorado) Desert: south of Highway I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road about 1.4 kilometers west of its junction with Augustine Pass Road. 136 Comment
  JEPS43943  Oenothera deltoides subsp. deltoides Dr. L. M. Newlon 1922-4-3 428 Riverside 6 mi w Indian Wells; Colorado Desert Comment
  UC20493  Oenothera elata subsp. hirsutissima H. M. Hall Aug. 1901 2639 Riverside vicinity of Strawberry Valley San Jacinto Mountains (along watercourses) 1676 Comment
  CAS-BOT-BC427456  Oligomeris linifolia Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2128 Riverside N. end Palen Mtns, 2 mi west of Palen Pass 300 Comment
  UCR167393  Oligomeris linifolia John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  UCR20777  Oligomeris linifolia A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1321 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  UCR75093  Oligomeris linifolia A. C. Sanders, E. J. Lawlor 1992-4-4 12095 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  RSA779801  Olneya tesota Duncan S. Bell 2009-3-9 100 Riverside Arica Mountains: southeast section of the mountain range approximately 1.2 air miles from Priest Well or approximately 6.5 air miles southwest of the ghost town of Rice. 307 Comment
  SD148226  Oncosiphon piluliferum A. C. Sanders, Mirch Provance and T. B. Salvato 2001-5-8 24209 Riverside Val Verde, between Moreno Valley and Perris; along I-215, 0.9 mile south of Oleander Ave. at south end of Patterson Ave. 456 Comment
  UCR230193  Oncosiphon piluliferum A. C. Sanders, T. B. Salvato 2011-4-29 39356 Riverside Peninsular Range; Perris-Aguanga Basin Region, Romoland, McLaughlin Rd. east of Palomar Rd., near powerplant and railroad 445 Comment
  UCR233582  Oncosiphon piluliferum A. C. Sanders, John F. Green 2012-3-26 39992 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, De Palma Rd. near Indian Truck Trail, west of Lee (Corona) Lake near edge of a commercial development 363 Comment
  CAS-BOT-BC56213  Opuntia basilaris var. basilaris L. R. Abrams 1926-3-26 11213 Riverside Field redacted by CAS, contact the data manager for more information Comment
  UCR280999  Opuntia basilaris var. basilaris Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-31 317- 02 Riverside Temescal Valley, Corona, Mayhew Wash, west side of Campbell Ranch Rd., 300 ft. S of intersection with Temescal Canyon Rd. 328 Comment
  UCR47518  Opuntia leucotricha A. C. Sanders, Mira M. Bogen 1987-5-28 7105 B Riverside City of Riverside, along Van Buren Boulevard, near the bridge over the Santa Ana River, at Riverside sewer plant 244 Comment
  POM20705  Opuntia polyacantha var. erinacea C. B. Wolf, Percy C. Everett 1938-9-29 9458 Riverside Desert slope of San Jacinto Range, Upper edge of Pinyon flat on the Palms to Pines Highway. 1220 Comment
  POM285343  Opuntia polyacantha var. erinacea Lyman Benson 1955-12-6 15630 Riverside San Jacinto Mountain Range; Pines-to-Palms Highway. 1372 Comment
  POM50272  Opuntia vaseyi L. R. Abrams 1908-07 s.n. Riverside Elsinore. Comment
  JEPS18058  Orcuttia californica Frank W. Peirson 1922-5-19 3020 Riverside Menifee Valley Comment
  UC218069  Orcuttia californica P. A. Munz and I. M. Johnston 1922-5-19 5375 Riverside Menifee Valley 426 Comment
  UC86924  Oreostemma alpigenum var. andersonii A. W. Anthony 1895-7-13 Riverside San Jacinto Mts. Comment
  UC665777  Orobanche cooperi Ira L. Wiggins 1941-3-24 9589 Riverside 1 mi n of Imperial County Line (on e side of Salton Sea); Salton Sea Comment
  RSA291602  Orthocarpus purpurascens C. W. Tilforth, Walter Wisura 1979-4-11 1779 Riverside Long Canyon, in wash, Rancho California Road, east of Temecula Comment
  CLARK-A1528-676  Oxalis corniculata John M. Spencer 1971-5-8 Riverside University of California Comment
  UCR146247  Oxytheca caryophylloides R. F. Thorne, Et al. 1969-6-24 38137 Riverside Peninsular Ranges; San Jacinto Mountains, San Bernardino National Forest. Woods above James Reserve 1677 Comment
  RSA279606  Oxytheca emarginata James L. Reveal, Barbara J. Ertter 1976-6-30 4570 Riverside Santa Rosa Mountains, along the dirt road to Santa Rosa Mountain, 4.6 miles south of Hwy 74 1829 Comment
  UCSB46703  Paeonia californica James, Susanne 1977-4-23 Riverside Santa Ana foothills, south of Elsinore and north of Murietta Hot Springs 1219 Comment
  CAS-BOT-BC327931  Palafoxia arida Peter H. Raven 1958-1-23 11412 Riverside 2.7 miles W of Whitewater Post Office Comment
  CAS-BOT-BC327943  Palafoxia arida J. Beley 1974-2-21 0431 Riverside Halfway between 195 and Cactus City. Comment
  RSA15521  Palafoxia arida var. arida L. S. Rose 1936-1-1 36003 Riverside 15 mi N. of Indio, L.A. Aqueduct Road. 305 Comment
  SD127617  Palafoxia arida var. arida David Charlton 1988-2-18 1123 Riverside South side of Little San Bernardino Mountains, Fargo Canyon Road to Cottonwood Wash. 305 Comment
  SEINET269259  Palafoxia arida var. arida M. A. Patten, S. J. Myers 1993-8-20 Riverside Along Tahquitz Creek and in neighboring creosote scrb behind the debris basin dam in Palm Springs. 183 Comment
  OBI42648  Panicum capillare A. C. Sanders 1986-5-20 6499 Riverside In vacant lot where an orange grove wasrecently removed, across the street from 1012 Spruce St. (T2S, R4W, NE1/4 sec 19) 305 Comment
  CAS-BOT-BC253849  Panicum hirticaule J. C. Roos 1965-9-5 s.n. Riverside 18 miles W of Blythe Comment
  UC406771  Panicum hirticaule subsp. hirticaule Marcus E. Jones, A. M. 1929-9-16 24693 Riverside e Desert Center; e of Desert Center Comment
  SBBG57164  Panicum urvilleanum Anstruther Davidson 1893-1 Riverside Palm Springs Comment
  SEINET10788753  Panicum urvilleanum Sarah E. Youngstrom, J. Travis Columbus 2007-5-23 Youngstrom 1 Riverside Just E of San Jacinto in San Jacinto River, 100-200 m N of Main St. bridge, near middle of dry river channel. 485 Comment
  UCR104075  Papaver californicum A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20631 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  CSUSB1108  Parkinsonia aculeata I. S. Singh 1972-4-21 Riverside Route 2, Thermal roadside, near Willits and Newcomb Citrus Nursery. Comment
  UCR132711  Parkinsonia aculeata A. C. Sanders, O. F. Clarke 1991-6-10 11124 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  RSA0027383  Parkinsonia florida Kristin Forgrave, Sarah J. De Groot 2013-6-4 14 Riverside On Graham Pass Rd 10 mi from Chuckwalla Valley Rd 362 Comment
  SD216479  Parkinsonia florida Carol R. Annable 1995-3-10 2262 Riverside 1.6 kilometers south of Lake Cahuilla County Park. Comment
  SFV1800  Parkinsonia florida A. Thompson 1959-4-10 s. n. Riverside Palm Desert. About 4 miles froum Palm Desert toward Desert Museum Sanctuary. Comment
  RSA0045572  Parosela emoryi Keith E. Hoffmaster 1935-3-31 s.n. Riverside Palm Springs. Comment
  RSA381088  Paspalum distichum R. F. Thorne, Steve Boyd, Earl Lathrop 1985-7-18 61173 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: Cole Canyon 535 Comment
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Sep 7 2007
  RSA588596  Paspalum distichum D. L. Banks, Steve Boyd 1995-10-17 807 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground., Along the narrow benches where Arroyo Seco turns to the E, just W of the Metasedimentary hills. 524 Comment
  UCR113937  Paspalum distichum Mitch Provance 2000-6-24 2066 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR167327  Pectis papposa Scott D. White, J. Wood 2005-9-27 11230 Riverside San Gorgonio Pass, Cabazon: Alluvial benches and braided dry channels south of Interstate 10 and west of the San Gorgonio River 610 Comment
  UCR277608  Pectis papposa Aaron C. Sedgwick, Joella Adkins 2012-10-24 150 Riverside Sonoran (Colorado) Desert, on Wileys Well Road, c. 2.5 miles south of the Bradshaw Trail intersection, in a large wash 100 ft. west of the road 213 Comment
  CAS-BOT-BC355866  Pectis papposa var. papposa Lewis S. Rose 1961-11-24 61063 Riverside La Quinta 15 Comment
  CAS-BOT-BC541409  Pectis papposa var. papposa Sarah J. De Groot; Duncan S. Bell 2015-9-21 7585 Riverside Santa Rosa Mountains SSW of Palm Desert. Along Carrizo Rd just N of Hwy 74 1053 Comment
  JEPS34823  Pectis papposa var. papposa Mary Beal 1939-10-25 709 Riverside Palm Springs Area Mojave Desert, Palm Springs Area Comment
  RSA644211  Pectis papposa var. papposa V. W. Steinmann 1999-10-26 1417 Riverside foothills of the Chuckwalla Mountains, open desert ca. 2 km south of Desert Center. 325 Comment
  UC178198  Pectocarya anisocarpa C. F. Baker 1904-5-4 4139 Riverside Hemet Comment
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Mar 24 2011
  UC56857  Pectocarya anisocarpa H. M. Hall 1902-4-22 2964 Riverside Comment
  JEPS20707  Pectocarya heterocarpa Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13251 Riverside 11.3 mi n Blythe; US Hwy 95 Comment
  JOTR30327  Pectocarya heterocarpa La Doux, Tasha, E. Babich, J. Galvin, B. Truesdell, N. Fraga, A. Miller, J. Van Warmerdam 2008-2-4 1771 Riverside Joshua Tree National Park. Hexie Mountains, southern end; Porcupine Wash. Stop #1: Open sandy wash near road heading to Cottonwood. 745 Comment
  POM118683  Pectocarya heterocarpa Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA800116  Pectocarya heterocarpa Duncan S. Bell 2013-4-7 4757 Riverside Arica Mountains, east side of range; west side of Rice Valley approximately 4 air miles south of the ghost town of Rice. 207 Comment
  RSA736032  Pectocarya linearis Scott D. White, Jamie Minor 2008-3-13 11767 Riverside Banning: S of Union Pacific RR, powerline route from Sunset Ave to 1 mile W. 732 Comment
  SEINET12801743  Pectocarya linearis A. C. Sanders, T. B. Salvato, Mitch Provance 2003-1 25838 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns. Hill SW of the Jensen Quarry, NW of Sunnyslope; Alt: 366-421m/1200-1380ft. 307 Comment
  UCR102891  Pectocarya linearis A. C. Sanders 1997-3-26 20099 Riverside Lake Skinner area, along foot trail at west base of Tucalota Hills 518 Comment
  UCR171964  Pectocarya linearis John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula, Long Canyon, Southern California Edison right of way between residential areas, south of Rancho California Road and east of Margarita Road 366 Comment
  JEPS68192  Pectocarya penicillata Alice King 1893-1 Riverside Menifee Valley Comment
  POM368787  Pectocarya penicillata F. R. Fosberg 1932-5-9 10639 Riverside St. Johns Grade near Hemet. 770 Comment
  UCR241848  Pectocarya penicillata A. C. Sanders, Timothy W. Chumley 2013-4-5 40778 Riverside Peninsular Range, Temescal Canyon, around Ivyglen electrical substation near where Temescal Canyon Rd. passes under I-15, between substation and Campbell Ranch Rd. 328 Comment
  RSA496356  Pectocarya recurvata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-19 3030 Riverside Vail Lake area, 0.5 mi WNW of dam, S flank Oak Mountain. 549 Comment
  RSA500996  Pectocarya recurvata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3115 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 524 Comment
  UCR224251  Pectocarya recurvata A. C. Sanders 2011-3-23 38804 Riverside Peninsular Range; Gavilan Hills Region, powerline corridor, SW of Perris, east of Hwy 74 between the highway and the San Jacinto River, south of Ethanac Rd. 440 Comment
  POM13012  Pectocarya setosa P. A. Munz, I. M. Johnston 1922-5-19 5440 Riverside Garner Ranch, Hemet Valley in San Jacinto Mountains. 1372 Comment
  UCR138805  Pedicularis densiflora D. L. Banks, J. Moreno 1997-2-5 1247 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation, along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside/San Diego County line border 482 Comment
  RSA593986  Pelargonium panduriforme D. L. Banks, Elizabeth Hedge Banks 1996-5-2 954 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage. 524 Comment
  RSA770698  Pellaea andromedifolia Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4802 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA586088  Pellaea andromedifolia var. andromedifolia Darin L. Banks, Steve Boyd 1995-3-30 116 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, E of the Woodchuck Trail. 713 Comment
  POM276878  Pellaea mucronata var. mucronata Lyman Benson 1945-3-29 11634 Riverside Canyon on Palm Springs Road, Colorado Desert, Little San Bernardino Mountain 610 Comment
  RSA771103  Pellaea mucronata var. mucronata Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4715 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65119 604 Comment
  SD229047  Pennisetum setaceum Dick Schwenkmeyer 2012-5-22 711 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  UCR213369  Pennisetum setaceum Lynn Sweet, Chris E. True 2009-12-3 s.n. Riverside Peninsular Range/Sonoran Desert; Santa Rosa Mtns., UC Boyd Deep Canyon Reserve, center of wash in Deep Canyon, 1/4 mile from end of road 335 Comment
  SEINET10822135  Pennisetum setaceum Robert F. Thorne 1995-3-29 Thorne 63028 Riverside Transverse Ranges; San Bernadino Mountains region; White Water Canyon. 600 Comment
  JEPS13627  Penstemon centranthifolius Peter Kamb 1946-4-27 336 Riverside Banning-Idyllwild Road near Barton lookout (San Jacinto Mts.); San Jacinto Quadrangle, near Barton lookout 1371 Comment
  RSA34610  Penstemon centranthifolius N. C. Cooper 1944-6-17 1388 Riverside San Jacinto Mtns, Above Banning. 1067 Comment
  UCR99405  Penstemon centranthifolius Scott D. White 1996-8-16 4479 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, SW of Pine Cove & west of Bear Trap Canyon, in watershed above Alvin Meadows, tributary to Toll Road Canyon 1860 Comment
  RSA97214  Penstemon centranthifolius R. M. Straw 1953-6-23 472 Riverside North of Fulmor Lake, Idyllwild to Banning Rd. Comment
  RSA764127  Penstemon heterophyllus var. heterophyllus Linda M. Prince, Duncan S. Bell 2009-6-17 574 Riverside Cleveland National Forest Comment
  UCR35264  Penstemon labrosus L. B. Ziegler 1967-7-27 193 Riverside Peninsular Range; San Jacinto Mtns., Thomas Mtn. 2043 Comment
  UCSB37908  Penstemon labrosus Sanders, A. 1980-7-18 Riverside Thomas Mountain; Thomas Mtn. campground to the summit at the lookout; T 6S, R 3E, W 1/2 sec. 28 2072 Comment
  RSA606176  Penstemon spectabilis Louis C. Wheeler 1930-4-13 s.n. Riverside Idyllwild. Comment
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Jul 5 2010
  RSA709452  Penstemon spectabilis T. B. Salvato, John Green 2004-5-27 627 Riverside Head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp. 1402 Comment
  RSA0070724  Pentagramma triangularis E. W. Lathrop 1968-5-22 6921 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  UCR114823  Pentagramma triangularis subsp. triangularis Mitch Provance, Seychelle Provance 1998-2-17 88 A Riverside Jurupa Mountains, Jensen Quarry; Sunnyside area on W side of Sierra Blvd, c. 0.2 miles NW of the corner of Scenic Dr. and 34th St. 348 Comment
  UC21313  Perideridia parishii subsp. latifolia H. M. Hall 1897-8 851 Riverside Tauquitz Valley San Jacinto Mountains (bogs) 2438 Comment
  SEINET7248311  Peritoma arborea Duncan S. Bell, LeRoy Gross 2014-1 6282 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  CAS-BOT-BC77493  Peritoma arborea var. angustata H. M. Hall 1905-4-1 5993 Riverside Near Indio 60 Comment
  CAS-BOT-BC355985  Perityle emoryi Carl B. Wolf 1932-4-27 3062 Riverside Colorado Desert. 5 mi. E. of Desert Center. No. base of Chuckwalla Mts. 152 Comment
  CAS-BOT-BC356001  Perityle emoryi Alice Eastwood 1913-4-30 2977 Riverside Palm Springs Comment
  POM289407  Perityle emoryi Lyman Benson 1933-3-31 4167 Riverside Beginning of Hemet Road [presumably Hwy 74 on desert side, Deep Cyn.] Colorado Desert watershed. 549 Comment
  CAS-BOT-BC167760  Petalonyx thurberi Marian L. Campbell 1921-3-20 26 a Riverside Palm Springs Comment
  RSA0012644  Petalonyx thurberi April Garbat, Kristin Forgrave 2013-6-11 81 Riverside Box Canyon Rd near I-10, Cottonwood Springs Rd exit. 67 Comment
  POM6121  Peucephyllum schottii I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon 305 Comment
  SEINET2054222 Image available Peucephyllum schottii Jenifer Williams 1965-3-27 Riverside Colorado Desert, Corrizo Canyon, S of Palm Desert. 152 Comment
  RSA697775  Phacelia J. R. Bruff 1934-7-5 s.n. Riverside [Unspecified] 2439 Comment
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Nov 10 2010
  RSA124330  Phacelia ambigua Percy C. Everett, E. K. Balls 1958-4-29 23011 Riverside Hwy 60/70, Indio to Blythe, 6.5 miles E from Jct with Hwy 9. 244 Comment
  POM14060  Phacelia campanularia P. A. Munz, D. D. Keck 1922-4-14 5003 Riverside 10 mi. west of Indian Wells. Along the Whitewater Wash. 91 Comment
  SBBG11796  Phacelia campanularia H. and M. Dearing 1937-4-10 2866 Riverside W of Indio Comment
  RSA0110953  Phacelia campanularia subsp. vasiformis Rofena Lewis, F. Brubaker 1926-2-22 6500 Riverside Along Boulevard below Whitewater Bridge, head of Coachella Valley. Comment
  SD241053  Phacelia crenulata var. minutiflora Dave Silverman, Onkar Singh 2010-3-27 7864 Riverside McCoy Wash, N of Palo Verde Mesa, 5.43 km W of Mesaville rairoad siding, 10 km N of I-19, and 13 km NW of Blythe. 139 Comment
  JOTR30997  Phacelia cryptantha La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1319 Riverside Joshua Tree National Park. Stop 3: Hexie Mountains, steep loose slopes above Blue Cut Gorge Comment
  RSA428301B  Phacelia cryptantha I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. Colorado Desert. Comment
  JOTR36004  Phacelia distans Andre, Jim 2012-4-16 20883 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  RSA428218  Phacelia distans Mark Morris 1929-3-17 14901 Riverside Palm Canyon. Comment
  RSA601108  Phacelia distans A. C. Sanders 1996-5-1 18097 Riverside San Bernardino Mtns Morongo Indian Reservation, natural pond and bog at SE edge of Burro Flats. Comment
  RSA658860  Phacelia distans J. C. Roos 1966-3-20 s.n. Riverside 2 miles SE of Desert Center. Comment
  RSA772970  Phacelia distans Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4777 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  UC489020  Phacelia distans C. V. Meyer 1929-6-13 753 Riverside Chalk Hill San Jacinto Mts. 1371 Comment
  UCR227008  Phacelia distans Jim Andre 2011-2-2 16239 Riverside Coachella Valley, mouth of Big Morongo Wash, 1 mi east of Hwy 62, just north of North Indian Canyon Road, west of Desert Hot Springs, 7.5 mi north of Hwy I-10 487 Comment
  UCR265568  Phacelia distans Angelique Herman, Keir Morse, Nick Regoli, Eric Lumba 2015-3-15 2015- 11 Riverside Santa Rosa/San Jacinto Mountains, Pinyon Flats Campground 1220 Comment
  RSA0106639  Phacelia ivesiana Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-7 4774 Riverside East side of the Arica Mountains; west side of Rice Valley approximately 5.5 air miles southeast of the ghost town or Rice or approximately 4.75 air miles east of Priests Well. 208 Comment
  JEPS14382  Phacelia minor Rimo Bacigalupi with Gene Newcomb 1954-4-25 4397 Riverside along State Hwy 79 about 3/4 mi s Sage (close to summit of grade); St. Johns Grade 731 Comment
  UCSB5413  Phacelia minor Koran, Jr., John 1958-3-28 Riverside 13 miles North of Palm Springs on Highway 111 Comment
  JOTR36431  Phacelia neglecta La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3403 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; just west of bend in Hwy 177 near park boundary; desert pavements w/ braided rivulets (Stop 1) 213 Comment
  UCR102930  Phacelia parryi George K. Helmkamp 1998-4-3 3063 Riverside Sonoran (Colorado) Desert, Whitewater River, bordering the north side of Hwy I-10; E side of the river 396 Comment
  SBBG65013  Phacelia pedicellata M. N. Ackley 1928-4-3 406 Riverside Devils Cyn, Coral Reef Ranch 121 Comment
  RSA632472  Phacelia ramosissima var. latifolia Scott D. White 1998-6-17 6748 Riverside Gavilan Hills: Along Gavilan Rd. or Santa Rosa Mine Rd.; ca. 7 mi survey route from Gavilan/ Cajalco Rd. jtn. south and east to Santa Rosa Mine/ Post Rd. jtn. Comment
  POM9581  Phacelia stellaris I. M. Johnston 1920-5-8 s.n. Riverside Near Wineville [RR Station] in sand by road. [Wineville = Mira Loma] Comment
  SEINET7063446  Phacelia suaveolens A. G. Vestal 1947-3-30 s.n. Riverside Intersection 5 miles south of Winchester on the Winchester Road (Route 79) at French Valley. UTM Zone 11, 492195mE, 3722513mN. (WGS84/NAD83). 460 Comment
  POM263357  Phalaris lemmonii J. C. Roos 1937-5-10 456 Riverside Lake Elsinore. Comment
  RSA206497  Phalaris minor E. W. Lathrop 1969-5-19 7066 Riverside 6 mi west of Murrieta. Mesa De Colorado of Santa Rosa Plateau Comment
  RSA525330  Phalaris minor Steve Boyd, A. C. Sanders, M. Skinner 1990-4-28 4461 Riverside Vail Lake area, Hwy R3 (Sage Rd) at jct. with Powerline Rd., N of Radec about 3 miles NE of Vail Lake Comment
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Feb 22 2013
  CAS-BOT-BC250728  Phalaris paradoxa John C. Roos 1952-5-21 5702 Riverside San Jacinto river bottomland 1 1/2 miles southeast of Perris 426 Comment
  UC415567 Image available Philadelphus microphyllus var. stramineus H. M. Hall 1901-7 2500 Riverside Vicinity of Tamarack Valley San Jacinto Mts. 2529 Comment
  UCR26196  Phlox austromontana John C. Roos 1946-8-27 2922 Riverside Peninsular Range, Santa Rosa Mtns 2287 Comment
  RSA792342  Pholisma arenarium Doris Bowers s.n. Riverside Colorado Desert, Algodones Dunes? Comment
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Mar 17 2014
  JOTR30674  Pholistoma membranaceum La Doux, Tasha, Jim Andre 2008-3-21 138 Riverside Joshua Tree National Park. Upper Cottonwood Cyn, approximately 2 mi. S. of Cottonwood Visitor's Center 880 Comment
  UCR102751  Pholistoma membranaceum B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3565 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  UCR102917  Pholistoma membranaceum George K. Helmkamp 1997-3-5 1340 Riverside San Bernardino Mtns./San Gorgonio Pass, Cabazon, 0.5 mi north of I-10 on Millard Pass Rd. 564 Comment
  LA209888  Phoradendron leucarpum subsp. tomentosum Norman C. Cooper; 1944-7-16 1386 Riverside San Jacinto Mountains, Pine Cove Comment
  RSA552719  Phoradendron macrophyllum Steve D. Boyd, Tim S. Ross, Orlando Mistretta 1992-2-26 6689 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  RSA26277  Physalis crassifolia Reid Moran 1941-5-5 857 Riverside Cottonwood Pass, Eagle Mtns. Comment
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Nov 22 2011
  RSA264426  Physalis crassifolia C. W. Tilforth, Jeff Barnes 1976-7-20 1210 Riverside Along power line road n.e. of Chiriaco Summit between Indio and Desert Center, Riverside County, CA. Colorado Desert. Comment
  RSA788987  Physalis crassifolia Aaron C. Sedgwick, David Fraker 2012-3-28 18 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  SBBG44461  Physalis crassifolia W. B. Holt 1941-10-23 21 -1941 Riverside few mi E of Pinto Basin Comment
  UC56825  Physalis crassifolia H. M. Hall May 1901 1848 Riverside borders of Colorado Desert (e base of San Jacinto Mountains); San Jacinto Mountains Comment
  UCR104642  Physalis crassifolia D. E. Bramlet 1989-5-15 1860 Riverside Peninsular Range, North Domenigoni Hills. S flank of a large knoll in Section 31. Approx. 762 m north of Newport Road and 1.5 km SE of the intersection of Warren Road and Simpson Ave. 549 Comment
  UCR147741  Physalis crassifolia Steve Boyd, Tammy Morgan, Aydee Virgen, S. DeGroot, V. Arvizu, T. Thibault 2004-5-14 11216 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 549 Comment
  UCSB2391  Physaria tenella Haller, John 1958-3-22 Riverside On Hwys 60-70, 11 miles W of Desert Center, 12.8 miles E of Box Canyon road junction, (Calif. 195) Comment
  RSA370843  Picris echioides R. F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61274 Riverside Sandia Canyon, De Luz-Murrieta Road 260 Comment
  UCR115346  Picris echioides A. C. Sanders 2000-11-15 23725 Riverside Perris-Aguanga Basin region, Moreno Valley, east side of Ellsworth St. between Cactus Ave. and Allesandro Blvd., near 14400 Ellsworth 476 Comment
  UCD136790  Pilularia americana Robert F. Thorne; E. Lathrop, et al. 1969-5-19 37966 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California. 624 Comment
  RSA0051595  Pinus cembroides var. parryana Elliott Waite 1950-4-30 s.n. Riverside Vanderventer Flats 1524 Comment
  JEPS46817  Pinus flexilis W. L. Jepson 1901-1 Riverside Santa Rosa Peak Comment
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Apr 11 2014
  SD127285  Pinus flexilis Reid Moran 1973-7-28 21110 Riverside Summit of Toro Peak 2500 Comment
  UCSB82  Pinus lambertiana Waian, Lee 1960-5-14 Riverside At the top of Black Mtn. at the Black Mtn. campground; San Jacinto Mtns., about 15 miles from Banning on road to Idyllwild 2133 Comment
  RSA0077533  Pinus lambertiana G. Wallace 1964-4-26 s.n. Riverside Idlewild area. Comment
  RSA741587  Pinus monophylla Scott D. White, Justin M. Wood 2008-6-17 12187 Riverside Morris Ranch Rd. - open area W of Goff Flat. 1616 Comment
  UC1543055  Pinus monophylla Donald G. Nelson 1936-5-22 339 Riverside near base Santa Rosa Mountains (on trail down to stream in Palm Springs Canyon, along trail to Palm Canyon from Ribbon Wood Camp); Ribbon Wood Camp, Pines to Palms Highway Comment
  UCSB6958  Pinus ponderosa Koran, Jr., John 1958-5-16 Riverside 5.2 miles W of Idyllwild on the Idyllwild to Banning Hwy 1584 Comment
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Mar 27 2014
  CAS-BOT-BC79096  Pinus quadrifolia H. M. Hall 1901-6-1 2139 Riverside Santa Rosa Mountains, Coyote Canyon 1524 Comment
  UC205936  Pinus quadrifolia Ellsworth Bethel 1918-5-11 Riverside Nigger Jim Hill. 35 mi so. east San Jacinto. In Canyon and on hill near road from Hemet Valley to Coahuila. south side of Hill. Comment
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Jun 4 2014
  CAS-BOT-BC136578  Piperia leptopetala Samuel B. Parish 1880-7-1 669 Riverside Field redacted by CAS, contact the data manager for more information Comment
  UCR89860  Plagiobothrys Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3323 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  UCR169784  Plagiobothrys arizonicus Scott D. White, Angelia Carey 2004-4-5 10001 B Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UC1347182  Plagiobothrys canescens Alice Eastwood and John Thomas Howell 1937-4-24 3917 Riverside above Elsinore; Summit of Santa Ana Mts. Comment
  RSA746813  Plagiobothrys collinus Michael Honer 2003-4-16 1831 Riverside Gavilan Hills, W slope: about 1 mile N of I-15 freeway, 1 mile E of Lake St. exit. On and around peak 2349 640 Comment
  UCR103182  Plagiobothrys collinus Scott D. White, Julie Greene 1997-3-12 4785 Riverside Perris Basin, Sun City, near Interstate Hwy 215, south of Perris and north of Menifee, low hills east of Bavaria Drive 488 Comment
  UCR225614  Plagiobothrys collinus A. C. Sanders 2011-3-30 38920 Riverside Peninsular Range; SE edge Gavilan Hills, along north side of Hwy 74 at Riverside Street, just outside city limits of Lake Elsinore 479 Comment
  RSA661316  Plagiobothrys collinus var. californicus Mitch Provance 1998-4-10 410 Riverside E facing slopes of hills at W extreme of Cypress Ave. 305 Comment
  RSA689516  Plagiobothrys collinus var. californicus Scott D. White, Michael Honer 2003-4-2 8902 Riverside Just west of I-15 Freeway and northeast of Lawson Dr. 305 Comment
  RSA741104  Plagiobothrys collinus var. ursinus Scott D. White, Justin M. Wood 2008-6-5 12085 Riverside Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  UCR58494  Plagiobothrys fulvus var. campestris Jeri Hirshberg 1989-4-4 s.n. Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, south of town of Murrieta, and SW of Mesa de Burro 610 Comment
  RSA80216  Plagiobothrys leptocladus F. W. Peirson 1922-4-29 4273 Riverside Field S of Lake Elsinore 375 Comment
  UCR241769  Plagiobothrys leptocladus A. C. Sanders 2013-4-9 40781 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland, along SCE powerline route east of I-215, parallel to McLaughlin Rd., west of Trumble Rd., SE of Perris 436 Comment
  CLARK-A1528-2265  Plagiobothrys tenellus John C. Roos 1947-3-21 3367 Riverside Reche Canyon 365 Comment
  RSA574743  Plantago erecta Steve Boyd 1982-3-30 s.n. Riverside Gavilan Hills region, Temescal Canyon, south slope of Alberhill Mountain, just east of extensively mined area. 427 Comment
  UCR228855  Plantago erecta A. C. Sanders, T. B. Salvato 2011-3-28 38821 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, powerline corridor along McLaughlin Rd. west of Murrieta Rd., north of Sun City 439 Comment
  RSA778485  Plantago ovata Duncan S. Bell 2009-3-8 50 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  UC731777  Plantago ovata Forrest Shreve 1937-3-12 7903 Riverside 6 mi ne Desert Center Comment
  UCR60796  Plantago ovata Steve Boyd, Orlando Mistretta 1986-3-13 1432 Riverside Sonoran (Colorado) Desert, Palen Mtns: NE of Desert Center, junction of Parker Dam Road and 'Palen Road' (road going through pass between Palen and Granite Ranges) 244 Comment
  SEINET7048025  Plantago ovata Steven R. Hill, Kate Kramer 2001-4-27 33495 Riverside California Route 86, west side of U.S. Navy Salton Sea Test Base road just east of Route 86. About 10.4 miles south of Salton City. Elevation 16 feet. 4 Comment
  RSA402035  Plantago ovata var. fastigiata M. B. Dunkle 1932-3-25 2902 Riverside Near Cathedral Canyon 152 Comment
  RSA475296  Plantago ovata var. fastigiata Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2104 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  UC1929304  Plantago patagonica Scott D. White 2008-4-28 11915 Riverside San Gorgonio Pass; Banning, S of I-10 freeway and just N of San Jacinto Mountains toeslope. E of Sunset Ave. Comment
  CAS-BOT-BC93214  Platanus racemosa B. D. Stark 1933-11-1 5555 Riverside Andreas Canyon, desert side of San Jacinto Mountains. Comment
  SEINET10476457  Platanus racemosa James S. Miller 1992-5-8 Miller 7463 Riverside 5.5 mi E of the W boundary of San Bernadino National Forest on California route 74. 950 Comment
  RSA543736  Platystemon californicus Steve Boyd, Mike Hammitt 1991-5-2 6071 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  POM7107  Pleuraphis rigida P. A. Munz 1919-5-7 2790 Riverside Mouth of Tahquitz Canyon. Comment
  CLARK-A1528-280  Pluchea purpurascens Ken F. Clarke 1971-9-7 Riverside Santa Ana River Comment
  JEPS40437  Pluchea sericea W. L. Jepson May 17 1901-Jun 1 1901 1375 Riverside Palm Canyon and return to Van Deventer's Comment
  POM56713  Pluchea sericea C. F. Baker 1903-4-4 4148 Riverside Elsinore. Comment
  UCR240198  Pluchea sericea C. J. Minar 1994-5-7 09 Riverside Sonoran (Colorado) Desert, Coachella Valley, east of Salton Sea near Dos Palmas Oasis -27 Comment
  UCSB24469  Pluchea sericea McMinn, Howard 1935-6-22 Riverside 1/4 mile south of Elsinore Comment
  RSA783398  Poa fendleriana J. D. Olmsted 1962-6-23 5290 Riverside SE San Bernardino Mts: Along trail to Calelectric water intake on S. fk. Whitewater River. Comment
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Feb 24 2013
  RSA741223  Poa pratensis Scott D. White, Justin M. Wood 2008-5-15 12011 Riverside Johnson Meadow. 1415 Comment
  SEINET6654149  Poa pratensis Scott D. White, Justin M. Wood 2008-6-19 12268 Riverside San Jacinto Mountains, meadows at Baldy Mtn.; 0 1585 Comment
  VVC574  Poa secunda A. C. Sanders, J. Mac 1997-5-4 20663 Riverside San Jacinto Mountains, N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment
  LA12631  Poa secunda subsp. secunda L. Haines; L. Erickson 1937-4-11 sn Riverside Morongo Valley Comment
  POM265734  Polygala acanthoclada A. M. Alexander, Kellogg 1941-5-18 21195 Riverside Eagle Mountains: 1.5 miles N Cottonwood Springs 976 Comment
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Oct 9 2010
  RSA674526  Polygonum arenastrum Scott D. White 2000-11-15 8149 Riverside Idyllwild area, 'Strawberry Fuelbreak' between 'Inspiration Pt.' and Strawberry Ck. 1402 Comment
  POM248407  Polygonum fusiforme Philip Crow 1939-7-12 s.n. Riverside Blythe. Comment
  RSA528096  Polygonum punctatum S. J. Myers 1990-12-5 s.n. Riverside Louis Rubidoux Nature Center: along the drainage that connects to the Sunnyslope Channel, and to the confluence with the Santa Ana River. (Near 33d 58'N, 117D 27'W) 213 Comment
  RSA651728  Polypogon monspeliensis Viki Cruz 1983-5-8 15 Riverside Collected on the banks of the stream one-half mile into Magnesia Canyon, Santa Rosa Mts. Comment
  RSA129716  Polypogon viridis H. S. Yates 1937-6-27 6705 Riverside Near Relief Hot Spring. 457 Comment
  CAS-BOT-BC356163  Porophyllum gracile John Thomas Howell 1928-1-30 3316 Riverside On road from Cottonwood Springs to Pinto Basin, near s. side of Pinto Basin, Colorado Desert Comment
  JEPS35439  Porophyllum gracile W. L. Jepson 1928-4-25 12622 Riverside Eagle Mts., Cottonwood Spring Colorado Desert, Eagle Mts., Cottonwood Spring 731 Comment
  POM178583  Porophyllum gracile Marcus E. Jones 1930-3-15 26503 Riverside Eagle Mountains. Comment
  RSA554287  Porophyllum gracile Scott D. White 1992-2-25 92 -14 Riverside Santa Rosa Plateau, between Sandia and De Luz Creeks, ca. 1.5 (air) mi. W of Sandia Canyon; 7 miles SW of Murrieta. 305 Comment
  RSA599946  Porophyllum gracile L. C. Wheeler 1959-12-27 7635 Riverside Chuckwalla Mountains. White Cloud Mine. Comment
  SD129617  Porophyllum gracile Steve Myers 1990-3-21 Riverside Santa Rosa Plateau, Along Los Gatos Road, 0.5 miles south of Buena Vista Road (2 miles west of Sandia Canyon & 0.1 miles north of S.D.Co.Line 365 Comment
  CAS-BOT-BC310318  Portulaca oleracea Duncan S. Bell 2012-9-13 4194 Riverside Arica Mountains. Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well 202 Comment
  RSA500203  Potamogeton pusillus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3542 Riverside Vail Lake area, pond and freshwater marsh in Kolb Crk. just south of the lake. Comment
  UC12562  Potentilla gracilis var. fastigiata H. M. Hall 1897-9-11 806 Riverside Tauquitz Valley San Jacinto Mountains, Tauquitz Valley 2438 Comment
  CAS-BOT-BC540421  Potentilla gracilis var. fastigiata H. M. Hall 1898-1-1 s.n. Riverside Unspecified Comment
  CSUSB1139  Prosopis glandulosa K. A. Lamb 1968-4-21 680421 2 Riverside 1 mile east of Mecca, Highway 195. Roadside, Alkali Sink. Comment
  CAS-BOT-BC206977  Prosopis glandulosa var. torreyana W. R. Dudley 1903-12-27 s.n. Riverside Palm Springs Comment
  RSA522100  Prosopis glandulosa var. torreyana Steve Boyd, T. S. Ross 1989-8-28 3793 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  RSA784720  Prosopis glandulosa var. torreyana Duncan S. Bell 2012-3-18 3207 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  SD146263  Prosopis glandulosa var. torreyana A. C. Sanders, S. D. Boyd, Mitch Provance 1999-7-14 23075 Riverside San Bernadino Valley: Colton Dunes, dune remnant on Slover Ave between Pepper Ave and the tank farm, 1 miles w of Slover Mountain 320 Comment
  RSA86976  Prosopis pubescens F. W. Peirson 1920-12-29 2338 Riverside Andreas Canyon near Palm Springs 244 Comment
  SBBG68566  Prosopis pubescens M. D. Clary 1931-1 1242 Riverside Colorado Desert -13 Comment
  UC489222  Prunus emarginata C. V. Meyer 1928-7-31 606 Riverside San Jacinto Mountains, Tahquitz Valley Tahquitz Valley; San Jacinto Mountains, Tahquitz Valley 2286 Comment
  LA31365  Prunus fasciculata Jane Turner; Barbara Eliteul, Virginia Sipholn 1959-3-21 C 176 Riverside Morongo Wash Comment
  HSC25799  Prunus fremontii Richard Spjut 1972-3-13 2258 Riverside Western border of the Colorado Desert ; San Jacinto Mts., near the eastern border of the San Bernardino Natl. Forest along Hwy. 74 915 Comment
  RSA6730  Prunus fremontii B. D. Stark 1933-4-2 4535 Riverside Palm to Pines Road, Pinyon Flats. 1220 Comment
  RSA0039274  Prunus ilicifolia A. C. Sanders 2014-4-25 41074 Riverside Temescal Canyon, Richland property near Horsethief Canyon Rd., SW of I-15 381 Comment
  RSA122704  Prunus ilicifolia Marcus E. Jones 1926-6-20 s.n. Riverside Near Banning. Comment
  SD72238  Prunus ilicifolia R. S. Woglum 1934-3-18 631 Riverside Snow Creek, north slope Mt. San Jacinto Comment
  RSA134365  Psathyrotes ramosissima L. S. Rose 1959-1-12 59010 Riverside Cathedral City 122 Comment
  UC1595718  Psathyrotes ramosissima W. Wisura, J. Dolan, and M. Wall 1992-3-24 4622 Riverside 6.0 mi ne Mecca (on Box Canyon Rd.) Comment
  UCR91458  Pseudognaphalium biolettii Scott D. White 1995-3-30 2678 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  CAS-BOT-BC356791  Pseudognaphalium californicum Steve Boyd; Aydee Virgen 2004-4-13 10845 Riverside Peninsular Ranges; Santa Ana Mountains region: San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  IRVC2826  Pseudotsuga macrocarpa T. Baskin 1965-4-21 s.n. Riverside Upper camp; Route 71. Comment
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Mar 27 2014
  RSA263656  Pseudotsuga macrocarpa E. W. Lathrop 1968-5-28 6920 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland Nat'l. Forest. 1220 Comment
  UCR178153  Pseudotsuga macrocarpa Tracy Tennant 1998-3-10 MOR- 1110 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, low hills on the south side of Wood Canyon near its mouth, tree stand W-5 1280 Comment
  RSA737431  Psilocarphus brevissimus var. brevissimus Justin M. Wood 2008-8-31 125 Riverside Romoland, 1/4 mile S of Ethanac Rd. between San Jacinto Rd. and Palomar Rd. just south of railroad tracks. 442 Comment
  RSA94628  Psilostrophe cooperi F. W. Peirson 1928-4-25 7916 Riverside On plateau west and northwest of Cottonwood Spring, northern Colorado Desert Comment
  CAS-BOT-BC353583  Psorothamnus arborescens var. simplicifolius O. F. Sillig 1911-5-21 s.n. Riverside Palm Springs, Colorado Desert Comment
  UC218162  Psorothamnus arborescens var. simplicifolius P. A. Munz and I. M. Johnston 1922-5-6 5167 Riverside Dry Morongo Wash; Colorado Desert 304 Comment
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Aug 18 2010
  UCR269106  Psorothamnus arborescens var. simplicifolius Orlando Mistretta, Duncan S. Bell, et al. 2010-4-12 4761 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 600 Comment
  RSA0027503  Psorothamnus emoryi April Garbat, Kristin Forgrave 2013-5-7 64 Riverside Coachella Valley, along Highway 111 in the sandy soil south of the road. Near the large pile of rocks. North of Mt San Jacinto, along the San Gorgonio River. Comment
  UC52161  Psorothamnus emoryi E. E. Schellenger Jul 25 1903-Aug 14 1903 4 Riverside near Palm Springs (Colorado Desert); , near Palm Springs Comment
  UCR279354  Psorothamnus polydenius A. C. Sanders, Jim Malusa 2017-3-23 42911 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 2.3 miles east of Iris Pass 787 Comment
  CAS-BOT-BC340860  Psorothamnus schottii Lester Rowntree 1937-5-28 s.n. Riverside Pines to Palms [Palms to Pines] Comment
  CAS-BOT-BC340908  Psorothamnus schottii O. F. Sillig 1917-5-21 s.n. Riverside Palm Springs, Colorado Desert Comment
  RSA450122  Psorothamnus schottii J. C. Roos 1966-5-2 s.n. Riverside Mouth of Pushwalla Canyon, Indio Mtns. Comment
  RSA498748  Psorothamnus schottii W. Hutchinson 1921-4-1 s.n. Riverside Palm Springs. Comment
  RSA799247  Psorothamnus schottii Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 731 Riverside South side of the Mecca hills, side canyon roughly 1.3 miles north of turnoff for Painted Canyon on Box Canyon Road 113 Comment
  SD229163  Psorothamnus schottii Dick Schwenkmeyer 2012-11-6 856 Riverside Palm Canyon, Ague Caliente Indian Reservation, 2.6 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 178 Comment
  CAS-BOT-BC340949  Psorothamnus spinosus E. R. Johnson 1928-6-8 s.n. Riverside Along highway south of Mecca on west side of Salton Sea Comment
  RSA101226  Psorothamnus spinosus David B. Dunn 1947-7-12 2952 Riverside Pushawalla Canyon, Indio Hills. Comment
  RSA404269  Psorothamnus spinosus Christina Clark 1929-3-17 1957 Riverside Palm Canyon Comment
  SD262303  Pterocarya stenoptera A. C. Sanders 2017-5-15 43206 Riverside Riverside, eastern side of UCR campus, in canyon below the uCR Botanic Garden, adjacent to parking area (Riverside East 7.5'Q) 340 Comment
  RSA586318  Pterostegia drymarioides D. L. Banks, S. D. Boyd 1995-5-3 229 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA682147  Pterostegia drymarioides Scott D. White 2001-3-27 8174 Riverside Badlands: Moreno Valley area. About 1 air mile East-Northeast of the jtn State Rt. 60 w/ theodore St. Adjacent to County Landfill. 610 Comment
  UCR116853  Pterostegia drymarioides A. C. Sanders, Steven R. Hill 2001-5-4 24140 Riverside Santa Ana Mtns. region, W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Creek. Dr.), E side of Rancho Calif. Rd. 488 Comment
  UCR272880  Pulicaria paludosa Duncan S. Bell 2015-8-12 8596 Riverside Colorado (Sonoran) Desert, southwestern section of the Orocopia mountains, spring in the southern section of the Dos Palmas area -41 Comment
  POM306721  Purshia tridentata var. glandulosa Henry J. Ramsey, Henry J. Ramsey 1938-4-22 1661 Riverside Santa Rosa Mountains. 1220 Comment
  SD260959  Quercus Mitch Provance 2012-9-5 912 09 Riverside Badlands of Western Riverside County: Potrero Creek, S end of City of Beaumont, E side of Highland Springs Rd., about 100 yards south of intersection with Breckenridge Ave. 754 Comment
  UCR273240  Quercus Mitch Provance, Jeremiah George 2012-1-30 17373 Riverside Badlands of Western Riverside County, Beaumont, near N base of Mt. Davis, Cooper's Creek (tributary of San Timoteo Creek), about 2000 ft. W of Bolo Ct. and 2500 ft. S of W 4th St. 762 Comment
  UCD47065  Quercus X munzii Alan D. Eliason; James R. Youse 1966-1-17 s.n. Riverside Live Oak Tank, Joshua Tree National Monument, in Riverside County, California. Comment
  CAS-BOT-BC61822  Quercus agrifolia Samuel B. Parish 1891-11-4 2276 Riverside Rocky Hills, head of Temecula Canon Comment
  CAS-BOT-BC61824  Quercus agrifolia Ynez Whilton Winblad 1941-5-27 s.n. Riverside San Juan Mts. San Juan Canyon, highway 74 609 Comment
  RSA450473  Quercus agrifolia var. oxyadenia J. C. Roos 1965-9-26 s.n. Riverside San Janinto & Santa Rosa Mountains: hills near summit of Pines to Palms Highway. Comment
  RSA0028782  Quercus agrifolia var. oxyadenia R. E. Riefner Jr. 2005-8-7 5 -581 Riverside San Jacinto Mountains, San Bernardino National Forest, 2.3 mi W of Santa Rosa Mountain Rd. on SR 74 at Vandeventer Flat. 1430 Comment
  RSA192169  Quercus berberidifolia E. W. Lathrop 1965-10-24 6033 Riverside 8 miles W of Murrieta Comment
  UCR273034  Quercus berberidifolia Mitch Provance 2012-1-25 17379 Riverside Badlands of Western Riverside County, San Timoteo Canyon, SW end along SCE powerline access roads between El Casco Substation and the Hwy. 60. 689 Comment
  UC5521  Quercus chrysolepis H. M. Hall Jul 1901 Riverside s side San Jacinto Mountains (base of Tahquitz trail) 1828 Comment
  RSA503825  Quercus cornelius-mulleri E. Crow 1928-11-12 45 Riverside Morongo Valley, Colorado Desert. Comment
  UC219231  Quercus cornelius-mulleri P. A. Munz, D. Keck 1922-5-7 5259 Riverside Keyes Ranch Little San Bernardino Mts. 1066 Comment
  UCR209403  Quercus cornelius-mulleri G. F. Pratt 2009-9-27 s.n. Riverside Peninsular Range, 6 miles south of Anza, Terwilliger Valley, eastern slope of Iron Spring Mountain 1264 Comment
  CLARK-A1528-1182  Quercus dunnii John C. Roos 1956-9-14 3016 Riverside San Jacinto Mountains 1371 Comment
  UCR40270  Quercus engelmannii Steve Boyd 1985-7-30 1047 Riverside Santa Ana Mtns., Santa Rosa Plateau, De Luz Road, 7.8 - 10 mi. west of Rancho California Comment
  UC667286  Quercus john-tuckeri Annie M. Alexander and Louise Kellogg 1941-5-21 2210 Riverside n slope Eagle Mountains; Colorado Desert 1280 Comment
  CAS-BOT-BC105327  Quercus kelloggii H. E. McMinn 1925-7-2 1499 Riverside Tahquitz Trail to Tahquitz Pk., San Jacinto Mts. Comment
  UCR111510  Quercus palmeri A. C. Sanders, Steve Boyd, Mitch Provance, J. Ross 1998-10-25 22277 Riverside San Jacinto Mtns., Hwy 74 in Garner Valley (eastern), 2.7 mi. NW of Hwy 371 junction to Anza, Pine Meadow area, 0.8 mi. NW of Devil's Ladder Rd. 1402 Comment
  UCD47608  Quercus wislizeni Louis B. Ziegler 1969-10-24 s.n. Riverside Near Kenworthy Ranger Station, Hemet Valley, San Jacinto Mts. 1417 Comment
  UC36536  Rafinesquia californica Geo. R. Hall 1901-3-31 10 Riverside near Riverside Comment
  CAS-BOT-BC362629  Rafinesquia neomexicana Alice Eastwood 1913-4-30 3016 Riverside Palm Springs Comment
  HSC6083  Rafinesquia neomexicana R. A. Eagle 1964-3-28 13 Riverside 4 mi. out of Palm Springs Comment
  JOTR35148  Rafinesquia neomexicana La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 3260 Riverside Joshua Tree National Park. West Cottonwood Mountains; bouldery side canyon leading into southeast Pinkham Wash (Stop 4) Comment
  RSA0124373  Rafinesquia neomexicana Duncan S. Bell, LeRoy Gross 2016-3-31 9197 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 591 Comment
  UCR245961  Rafinesquia neomexicana Duncan S. Bell 2009-3-8 70 Riverside Arica Mountains, north tip of range, c. 3 air miles NW of Priest Well, or c. 5.5 air miles SW of ghost town of Rice 404 Comment
  SEINET10801149  Rafinesquia neomexicana Billy Joe Cox 1975-4-23 Cox 4114 Riverside Palo Verde, 1-3 km W, (ca. 32 mi. S of Blythe). 70 Comment
  UC1931199  Ranunculus aquatilis Scott D. White, Justin Wood 2008-7-9 12442 Riverside San Jacinto Mountains: K Flat, from large pond downstream to meadow. Comment
  UCR36447  Ranunculus aquatilis A. C. Sanders 1984-4-21 5015 Riverside San Jacinto Mtns., San Jacinto River near the Cranston Guard Station and confluence with Bee Canyon 579 Comment
  RSA0018978  Ranunculus aquatilis var. aquatilis E. W. Lathrop 1965-4-16 4454 Riverside 14 miles west of Murrieta. Comment
  UCR1190  Ranunculus californicus Civerolo 1960-4-10 s.n. Riverside Santa Ana Mtns., 3.25 mi west of Murrieta on Tenaja Road toward San Mateo Canyon Comment
  POM99003  Ranunculus californicus E. C. Jaeger 1926-3-27 s.n. Riverside Coahuila, Riverside. Near the Indian Reservation Comment
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Nov 6 2011
  RSA656538  Ratibida columnifera Mitch Provance 2000-7-30 2173 Riverside Glen Avon Heights, on the N side of Conning St. (dirt road portion traversing from W to E), which lies between Campbell St. and Lindsay St. 262 Comment
  UCR264076  Rhamnus californica S. J. Myers, Vesta A. Myers, Bill Hopson 2015-1-2 1078 Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon, upper part of canyon, near Corona 732 Comment
  SEINET238736  Rhamnus crocea A. C. Sanders, Mitch Provance; T. B. Salvato 2000-6-1 23448 Riverside Menifee Valley: S of Newport Rd. N of Holland Rd. and E of Bradley Rd. 2 miles due east of Railroad Canyon Lake. 439 Comment
  UCR396  Rhamnus crocea Eugene Cardiff, Ken Smith 1954-4-5 s.n. Riverside Upper Santa Ana River/San Bernardino Valley, Jurupa Mountains, northwest of Riverside 671 Comment
  CAS-BOT-BC56045  Rhamnus ilicifolia L. R. Abrams 1908-7-21 s.n. Riverside Santa Ana Mountains, near Elsinore Comment
  UCR154841  Rhamnus ilicifolia A. C. Sanders, Mike Misenhelter 2005-3-23 29282 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  RSA0027937  Rhamnus ilicifolia John F. Emmel 1992-5-16 1222 Riverside Elsinore Mts: Ridgetop along Main Divide Road, 0.7 air mi east of El Cariso Guard Station. 902 Comment
  SD229134  Rhododendron occidentale Dick Schwenkmeyer 2012-6-27 751 Riverside Strawberry Creek, 1/4 mile northwest of Humber Park, Idyllwild. 1914 Comment
  CDA43235  Rhododendron occidentale var. californicum G. F. Hrusa, T. D. Wilfred 1993-6-23 9866 Riverside San Jacinto Mountains; Azalea Trails Girl Scout Camp, on tributary above head of Dark Canyon, N. Fk. San Jacinto River. 1594 Comment
  RSA125660  Rhus integrifolia R. Weatherby 1950-3-6 1059 Riverside Arlington Hills, near Lake Matthews. 335 Comment
  UCR167811  Rhus laurina T. B. Salvato, Melissa Clemons 2005-6-23 1322 Riverside Peninsular Range; Temescal Valley, 3 miles NW of Alberhill, Temescal Canyon Road at Corona [Lee] Lake 366 Comment
  HSC47413  Rhus ovata R. W. Spjut, C. E. Edson 1978-5-5 5019 Riverside W margins of Colorado Desert, along Hwy. 74, W of Palm Desert in the San Jacinto Mtns. Comment
  RSA650225  Rhus ovata James Carill 1949-3-26 s.n. Riverside 1/2 mi. So. Palm Springs. 91 Comment
  SD137932  Rhus ovata Darin L. Banks, Steve Boyd 1995-3-16 108 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, east of the Dripping Springs Alcove, north slope of Wildhorse Peak on Wildhorse trail 669 Comment
  RSA403695  Rhus trilobata var. anisophylla Jack Rempel, Erwin Miller 1934-4-28 18727 Riverside Lost Horse 1296 Comment
  POM161525  Ribes cereum Ralph Hoffmann 1929-9-6 s.n. Riverside San Jacinto Mountains 2591 Comment
  RSA90124  Ribes cereum E. K. Balls, P. C. Everett 1953-8-19 18541 Riverside Mtn Home Spring, santa Rosa Mt 1921 Comment
  HSC86990  Ribes indecorum Maureen Pendleton 1988-2-22 Riverside Rancho California area, ca. 8 mi. (airline) NW of Temecula, between Bruce Lane and Via View Dr. 701 Comment
  RSA535471  Ribes indecorum Steve Boyd 1992-2-2 6646 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Upper San Mateo Canyon between confluence of Tenaja Canyon and Los Alamos Canyon. Comment
  UCR82800  Ribes indecorum A. C. Sanders, O. F. Clarke, M. Alexander 1994-1-1 14226 A Riverside San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  SJSU7833  Ribes malvaceum G. B. Youngberg 1956-3-31 241 Riverside Banning-Idyllwild Rd, Sna Jacinto Mts 1158 Comment
  UCR117671  Ribes malvaceum Scott D. White 1997-5-25 5229 Riverside San Jacinto Mtns, Bautista Canyon: Hixon Trail (USFS No. 2E43), between trailhead at Bautista Canyon Road and intermittent stream crossing at c. 3200 ft 976 Comment
  RSA441493  Ribes malvaceum var. viridifolium Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  RSA659610  Ribes malvaceum var. viridifolium J. C. Roos 1947-3-15 3341 Riverside Chaparral on a burn. The west face of the San Jacinto Mtns. Comment
  RSA0036011  Ribes montigenum Robert F. Thorne, Walter Wisura 1977-9-17 50800 Riverside San Jacinto Mountain: summit 3293 Comment
  SD216485  Ribes nevadense Jay B. Walker 1995-5-3 1410 Riverside San Bernardino National Forest, South of Pinyon Flat Campground, at terminus of USFS Road. 1900 Comment
  UCR125994  Ribes quercetorum Dave Goodward 2003-1-31 s.n. Riverside Box Springs Mountains, canyon SW of Pigeon Pass Rd, just before it begins climbing, c. 150 m south of the dump 427 Comment
  POM17830  Ribes roezlii P. A. Munz, D. D. Keck 1923-6-14 7069 Riverside Santiago peak, Santa Ana Mountains. 1616 Comment
  RSA33646  Ribes roezlii Robert L. Rutherford 1945-5-24 1662 Riverside Big Oaks Canyon, Banning. 1220 Comment
  UCR26636  Ribes speciosum E. W. Lathrop 1966-3-23 s.n. Riverside Santa Ana Mtns, Skyline Drive, 4 mi west of Corona between Tin Mine Canyon and Santiago Peak 610 Comment
  SEINET10815008  Ricinus communis David B. Dunn 1948-1-25 Dunn 3649 Riverside Found in ravine northeast of the top of the grade east of Riverside, CA about 5 miles out. Comment
  CLARK-A1528-372  Rorippa nasturtium-aquaticum Margaret Ferro 1970-5-16 21 Riverside West Riverside 365 Comment
  UCR172286  Rorippa nasturtium-aquaticum John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley: Leon Road (San Diego Aqueduct right of way) from Borel Road/Tucalota Creek S for c. 0.25 mi 427 Comment
  RSA500191  Rorippa palustris subsp. occidentalis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3553 Riverside Vail Lake area, pond and freshwater marsh in Kolb Crk. just south of the lake. Comment
  POM1468  Rubus ursinus D. L. Crawford 1916-3-1 s.n. Riverside Santa Ana River Valley. Comment
  SD51953  Rumex acetosella Reid Moran 1962-7-7 9862 Riverside By Strawberry Creek, 2 miles SW of Idyllwild, San Jacinto Mts. 1550 Comment
  UC6936  Rumex conglomeratus Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  UCR90593  Rumex conglomeratus Scott D. White 1995-6-29 3374 Riverside Santa Ana Mtns., Murrieta Creek, NW of Murrieta, upstream from Cole Creek confluence, at Calle de Oso Oro Rd. crossing 351 Comment
  RSA662065  Rumex conglomeratus J. C. Roos 1952-6-10 5759 Riverside Fairmount Park Comment
  UCR166797  Rumex crispus R. E. Riefner Jr. 2004-9-9 04- 229 Riverside City of Lake Elsinore; Riverside Drive at Strickland Street 390 Comment
  UC850653  Rumex salicifolius var. salicifolius I. W. Clokey and E. G. Anderson 1935-8-21 6601 Riverside Fuller Creek 1500 Comment
  RSA605755  Sagina apetala A. C. Sanders 1996-3-17 17980 Riverside Coachella Valley: Palm Springs, weedsin landscaping of shopping center at SE corner of Raquet Club Dr. and Palm Canyon Dr., (33 deg 51 N, 116 deg 33 W.) 250 Comment
  SD146118  Sagittaria latifolia A. C. Sanders, Mitch Provande, T. B. Salvato 2000-10-5 23720 Riverside Santa Ana River Valley: Hidden Valley Wildlife Area, ca I(c) mile west of park office, near Riverside between La Sierra and Norco 191 Comment
  SD186015  Sagittaria latifolia S. J. Myers 1996-5-17 Riverside Corona, River Road bridge over the Santa Ana River. 152 Comment
  CHSC778  Salazaria mexicana M. Anthony 1954-4-15 Riverside Near Joshua Tree Monument. Comment
  HSC27202  Salazaria mexicana J. P. Smith, J. O. Sawyer 1973-6-10 6889 Riverside Joshua Tree National Monument. Comment
  CAS-BOT-BC129701  Salix bonplandiana Nancy Ryan Zabriskie; Walter Zabriskie 1971-2-13 334 Riverside Immediately below Andreas Canyon Clubhouse, Andreas Canyon, east slope San Jacinto Mts. Comment
  HSC82998  Salix exigua N. M. Fellows 1985-3-3 79 Riverside Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of San Jacinto Mtns., l mi. W of Snow Creek Village 489 Comment
  POM2079  Salix exigua D. L. Crawford 1916-3-1 s.n. Riverside Santa Ana River Valley. Comment
  SDSU9444  Salix exigua A. H. Gallup 1949-3-28 360 Riverside Palms to Pines Hwy, above Desert Center [interpreted to be Palm Desert], in dry wash, east slope. 762 Comment
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Jan 30 2013
  RSA92695  Salix exigua F. W. Peirson 1924-12-30 5410 Riverside Thousand-Palms Canyon, Colorado Desert 122 Comment
  RSA479853  Salix gooddingii L. F. LaPre, K. Campbell 1988-4-1 s.n. Riverside Colorado River Valley at Blythe. 91 Comment
  UCR172147  Salix gooddingii A. C. Sanders 2006-5-11 32265 Riverside Warm Springs Valley, N edge of city of Lake Elsinore, 35 acre parcel south of the intersection of Collier Ave. and Riverside Dr., NE of Alberhill Crk., NW of Enterprise Way 389 Comment
  JOTR35496  Salix laevigata La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3184 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Upper Smithwater Canyon, NW of Quail Mtn. (Biodiversity Hunt stop2) 1295 Comment
  POM305366  Salix laevigata Henry J. Ramsey, Henry J. Ramsey 1938-3-26 652 Riverside Between Corona and Elsinore. Comment
  SD229282  Salix lasiolepis Dick Schwenkmeyer 2012-3-26 674 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx Ao mile north of Highway 74, just east of Morris Ranch Road. 1356 Comment
  UCR121088  Salix lasiolepis A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24972 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  CAS-BOT-BC128377  Salix lasiolepis var. lasiolepis Joseph Andorfer Ewan 1933-3-19 10902 Riverside Santa Ana River bottoms at Prada Comment
  SD215602  Saltugilia australis Steve Boyd, Tim Ross, et al. 1999-4-2 4038 Riverside Vail Lake area, lower slopes of Agua Tibia Mountain, along Highway 79. 487 Comment
  SD261005  Saltugilia australis Andrew C. Sanders 1994-5-30 14584 Riverside San Bernardino Mtns: NNE of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St. (Beaumont 7.5'Q) 950 Comment
  SEINET3859080  Saltugilia latimeri Leigh A. Johnson 1992-5-15 92- 021 -GH Riverside Pinyon Flats. Pinyon Drive, off of Hwy 74 past the Pinyon Flats Campground, after road turns left, 1/2 way between Palm Canyon Drive and Jeraboa Road. About 100-200 yards off the road on the N side around a rocky outcrop. Area under development and site may one day have a house on it.; 0 1261 Comment
  RSA411321  Salvia apiana N. C. Cooper 1944-5-19 1299 Riverside Banning. 701 Comment
  UCLA55212  Salvia apiana C. Epling and Mrs. Epling 1937-6-6 B Riverside 0.6 mi below Palms to Pines Hwy. (Palmes-Pines Hwy) Comment
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Dec 18 2011
  UCR201000  Salvia carduacea Justin M. Wood, Scott D. White and Brandy Ulrich 2008-7-15 21 Riverside Aguanga Basin / San Jacinto Mountain foothills, W of Anza Valley, adjacent to Cave Rock Rd. Approx. 1/4 mile E of Cahuilla Indian Reservation 1215 Comment
  RSA396472  Salvia columbariae Walter Wisura 1987-5-21 4150 Riverside 4.6 miles from Hwy 243 along old Idyllwild rd. Comment
  SD146234  Salvia columbariae B. Pitzer, W. Ross 1998-3-8 3599 Riverside Colorado desert, N side of Hayfield Lake between lakebed and Hwy I-10 412 Comment
  UCLA70081  Salvia columbariae K. Watkins and E. McClintock 1937-4-9 Riverside near Winchester turnoff (Riverside to Hemet road) Comment
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Mar 20 2011
  UCR224449  Salvia columbariae Steve Boyd, Susan Jett 2008-3-20 11828 Riverside Peninsular Ranges; Santa Ana Mountains region, Eastern flank of the range along El Cariso Truck Trail ca. 0.5 mi north of Highway 74. (33 deg. 39'26"N, 117 deg. 24'25"W). 732 Comment
  UCR250121  Salvia columbariae A. C. Sanders 2014-4-23 41056 Riverside Peninsular Range, Gavilan Hills, toward eastern end of Concordia Ranch Rd. at edge of Temescal Valley, above I-15 390 Comment
  CAS-BOT-BC226137  Salvia greatae Peter H. Raven 1958-5-5 12907 Riverside East of Coachella Canal 3.6 miles on a road up the south side of the Orocopia Mountains Comment
  UCLA49887  Salvia greatae Edmund C. Jaeger 1926-2-28 Riverside 18 mi se Mecca; Salt Creek Wash Comment
  JEPS62792  Salvia vaseyi W. L. Jepson 1914-5-18 5998 Riverside Pinyon Well Colorado Desert, Lookout Mts. (n of Indio, Lookout Mts) 762 Comment
  CHSC35503  Sambucus mexicana J. M. Sully 1972-4-30 19 Riverside 7 mi. SW of Murrieta on Tenaja Rd. 487 Comment
  POM3627  Samolus parviflorus Crawford, Johnston 1917-6-9 1231 Riverside Santa Ana River near Corona. Comment
  RSA552724  Sanicula arguta Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-3-31 6766 Riverside San Mateo Cyn. Wilderness Area. Tenaja Trail from jtn w/ Morgan Tr. S to Pigeon Spring area. 670 Comment
  UC1552639  Sanicula arguta B. Pitzer and E. Misquez 1988-2-28 628 Riverside 2 mi s of Rancho California Road (sw of Murrieta, Walker Basin, Avenida del Oro); Walker Basin, Avenida del Oro 426 Comment
  UC1562958  Sanicula arguta S. Myers and R. Montijo 1990-4-20 3 Riverside Powder Canyon in the city of La Habra Heights Powder Canyon; La Habra Heights, Powder Canyon 243 Comment
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Apr 14 2013
  UCR79221  Sanicula arguta Steve Boyd 1992-4-14 6806 Riverside Santa Ana Mtns., San Mateo Canyon Wilderness. Along Verdugo Trail from Tenaja Tr. to Bluewater Tr. in upper watershed Bluewater Canyon. south of Sitton Peak 854 Comment
  UCR34990  Sanicula tuberosa L. B. Ziegler 1975-5-1 541 Riverside San Jacinto Mtns, Bautista Canyon 703 Comment
  CLARK-A1528-128  Sarcostemma cynanchoides subsp. hartwegii Bruce Freeman 1968-5-11 680511-3 Riverside Santa Ana Mountains 182 Comment
  UC596673  Sarcostemma cynanchoides subsp. hartwegii R. J. Smith May 1904 Riverside White Water Comment
  RSA444802  Schedonorus arundinaceus J. C. Roos 1950-4-15 4743 Riverside West end of Fairmount Park Lake Comment
  CAS-BOT-BC218931  Schinus molle A. C. Sanders 1997-5-1 20617 Riverside Lake Skinner area: old house site at gated road junction into Shipley Reserve area, ca. 1 km NE of Lake Skinner in mouth of Rawson Creek Canyon 457 Comment
  RSA0105293  Schismus arabicus Duncan S. Bell, Sarah DeGroot, Cheryl Sevilla 2015-2-10 7746 Riverside Santa Rosa Mountains; a narrow unnamed canyon about 2 air miles south of La Quinta, and about 5 air miles northeast of the summit of Martinez Mountain. 266 Comment
  UCR214416  Schismus arabicus A. C. Sanders, Richard Dwerlkotte 2010-3-22 37502 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 2 mi. SE of Sidewinder Well, south of Palen Dry Lake, SW of Palen Mtns. 142 Comment
  JOTR34403  Schismus barbatus Andre, Jim 2012-4-16 20939 Riverside Joshua Tree National Park. Along Geotour Road, at north end of one-way loop in Pleasant Valley at foot (south end) of Hexie Mountains, 6.7 mi. south of National Park Loop Rd. 989 Comment
  SJSU1758  Schismus barbatus G. B. Youngberg 1956-3-30 220 Riverside among hills near La Sierra College, Arlington 228 Comment
  UCD93096  Schismus barbatus A. A. Beetle 1943-4-26 1936 Riverside Near Thousand Palms. Comment
  UCR114145  Schismus barbatus B. G. Pitzer, J. Ross 1998-3-8 3606 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  UCR232026  Schismus barbatus John F. Green 2008-4-15 0408- 04 Riverside Peninsular Range; Perris-Aguanga Valley, Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave., east of Day St. 523 Comment
  SEINET10519169  Schismus barbatus A. K. Evans 1976-4-13 Evans 5131 Riverside Desert canyons of Santa Rosa Mountains. Comment
  CAS-BOT-BC111386  Schoenoplectus acutus var. occidentalis Louis C. Wheeler 1932-9-4 1337 Riverside Santa Ana R. at Chino Creek 182 Comment
  RSA289842  Schoenoplectus maritimus B. A. Prigge 1980-9-17 4072 Riverside Coachella Valley Stormwater Channel: E of Munroe St., Indio. -3 Comment
  UCR94965  Scirpus microcarpus Scott D. White 1996-8-15 4461 Riverside San Jacinto Mtns., Idyllwild Area: Alvin Meadows and unnamed canyon upstream. Upper margin of area that burned in July, 1996 1585 Comment
  RSA487444  Scrophularia californica Jack Easton 1988-5-2 s.n. Riverside Anza area. 1189 Comment
  UC1931122  Scrophularia californica Scott D. White, Justin Wood 2008-7-8 12387 Riverside Johnson Meadow San Jacinto Mountians Comment
  UCR132918  Scrophularia californica John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  SEINET8020853  Scutellaria bolanderi G. F. Reinhardt 1897-1 s.n. Riverside San Jacinto Valley Comment
  SEINET270116  Scutellaria tuberosa Steve Boyd, Tim Ross 1992-5-4 7187 Riverside San Mateo Canyon Wilderness Area ; Southern Santa Ana Mountains. Oak Flats area east of Verdugo Portero 732 Comment
  POM12525  Selaginella bigelovii Philip A. Munz, D. Keck 1922-4-14 5007 Riverside East of White Water Ranch 244 Comment
  CAS-BOT-BC62250  Selaginella watsonii Clinton S. Kimball s.n. Riverside San Jacinto Mt. Comment
  UCR34951  Senecio californicus L. B. Ziegler 1973-3-30 503 Riverside Tucalota Canyon/Creek. 610 Comment
  JOTR36096  Senecio flaccidus var. douglasii La Doux, Tasha, K. Matthews, S. Szabo, B. Truesdell, J. Van Warmerdam 2007-10-4 3374 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Convergence of Lower Covington Flat and Smith Water Canyon (STOP3). 1362 Comment
  OBI52131  Senecio flaccidus var. monoensis Larry Kelly, David J. Keil 1988-4-16 51 Riverside ca. 5 mi from hwy 10 on road through Ocatillo garden, and cholla patch in Joshua tree national monument Comment
  OBI38334  Senecio mohavensis A. C. Sanders, D. Charlton, & B. Pitzer, B. Pitzer 1986-3-3 6137 Riverside N foot of the Chuckwalla Mts, 2-3/4 mi airline SE of Desert Center 366 Comment
  UC1552024  Senecio mohavensis David Charlton 1988-2-19 1174 Riverside mudstone wash n Mecca Hills (Box Canyon on road between Cottonwood Wash and Mecca, near Mecca, Colorado Desert Wash Community); Orocopia Mtns., Box Canyon 457 Comment
  CLARK-A1528-2093  Senecio vulgaris John C. Roos 1967-2-7 Riverside Hemet Comment
  SEINET12264998  Senegalia greggii Unknown 1936-1 12808 Riverside foothills of San Jacinto Mts near Palm Springs Comment
  RSA0121595  Senna covesii Duncan S. Bell, LeRoy Gross 2016-3-29 9107 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5 air miles southeast of the summit of Martinez Mountain. 686 Comment
  CLARK-A1528-1388  Sesuvium verrucosum John C. Roos 1937-5-23 2067 Riverside La Sierra Comment
  UCR95719  Setaria viridis D. L. Banks, Lauren Raz 1996-8-29 1136 Riverside Agua Tibia Mtns., NW Palomar Mtns, NW foothills of Dorland Mtn. Los Caballos Road, c. 0.5 m south of Hwy 79, 100 m north of the Golf Course access road. 399 Comment
  RSA579292  Sibaropsis hammittii Steve Boyd, Timothy S. Ross 1992-4-1 6782 Riverside Santa Ana Mountains, upper east flank of Elsinore Peak south of Lake Elsinore. 1049 Comment
  RSA613456  Sidalcea malviflora D. L. Banks, Victor W. Steinmann 1997-3-13 1436 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  RSA649334  Sidalcea malviflora Chris M. Johnson 1970-3-16 82 Riverside behind Temecula, paralleling Hwy 71. 265 Comment
  UCR174554  Sidalcea malviflora Jennifer H. Jones 2006-6-6 406 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; lower ele. part of San Juan Loop Trail, N of Upper San Juan Campground 518 Comment
  UC454912  Sidalcea malviflora subsp. sparsifolia F. M. Reed 164 Riverside Pigeon Pass, Box Spring Mountains, E of Riverside Comment
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Jul 30 2006
  SEINET4176377  Sidotheca caryophylloides J. L. Reveal, B. J. Ertter 1976-6-30 4572 Riverside San Jacinto Mountains, along California Highway 243 at the turnoff to Black Mountain north of Idyllwild, 1615 Comment
  UC55875  Silene antirrhina H. M. Hall April 1902 2966 Riverside vicinity Riverside; vicinity of Riverside 457 Comment
  UCR149995  Silene gallica Scott D. White, Angelia Carey 2004-4-16 10188 Riverside San Jacinto Mountain foothills, Indian Creek and adjacent slopes 610 Comment
  UCR169638  Silene gallica John F. Green 2005-4-28 s.n. Riverside Peninsular Range; Southern Santa Ana Mtns., Santa Rosa Plateau, hills on the south side of Tenaja Rd., between Squaw Mtn. and DeLuz Creek 655 Comment
  RSA180462  Silene gallica E. W. Lathrop 1960-6-8 4904 Riverside 14 miles west of Murrieta. Comment
  RSA613319  Silene gallica D. L. Banks 1997-3-1 1384 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and along Pechanga Creek. 329 Comment
  SD148189  Silene multinervia A. C. Sanders, Steven R. Hill 2001-5-4 24130 Riverside West of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Road at Avenida del Oro (to Sandia Creek Dr.), east side of 487 Comment
  UC8490  Silene verecunda subsp. platyota H. M. Hall July, 1901 2383 Riverside s side San Jacinto Mountains 1645 Comment
  CAS-BOT-BC202948  Simmondsia chinensis Nancy Ryan Zabriskie; Walter Zabriskie 1970-3-28 276 Riverside Alongside trail 75' south of Andreas stream, opposite mouth of North Canyon. Andreas Canyon near Palm Springs 365 Comment
  RSA23234  Simmondsia chinensis Ernest Braunton 1940-4-3 2024 Riverside Berdoo Canyon, 10 mi. E. of Indio. 305 Comment
  UCR163079  Simmondsia chinensis B. G. Pitzer 2000-5-7 4142 Riverside Sonoran (Colorado) Desert, extreme north end of Orocopia Mountains, Shavers Valley, at base of hills c. 0.5 mi. SE of Box Canyon Road. 341 Comment
  SEINET10453609  Simmondsia chinensis A. K. Evans 1976-4-13 Evans 5163 Riverside Rocky slopes of Santa Rosa mountains. Comment
  UC856977  Sisymbrium altissimum C. B. Clokey, I. W. Clokey, B. C. Templeton 1930-4-15 4741 Riverside Gavilan Peak 600 Comment
  SD227774  Sisymbrium erysimoides A. C. Sanders 1994-5-15 14478 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the east bank of the Santa Ana River. 399 Comment
  UCR239894  Sisymbrium erysimoides O. F. Clarke 2004-3-25 s.n. Riverside Riverside, Santa Ana River west of Salt Lake Railroad bridge 216 Comment
  RSA431737  Sisymbrium irio E. A. McGregor 1964-6-10 s.n. Riverside On Highway 74, west of Elsinor. 914 Comment
  UCR251301  Sisymbrium irio T. B. Salvato, Matthew Malle 2014-4-8 7826 Riverside Perris-Aguanga Basin, south end of Perris Valley, c. 8 mi south of the Perris Reservoir, northwest corner of Matthews (Case) Road and Menifee Road 446 Comment
  UCR150018  Sisymbrium officinale Scott D. White, Angelia Carey 2004-5-7 10339 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  UCR158341  Sisymbrium officinale A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30077 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  UCR1480  Sisymbrium orientale B. L. Estes 1961-3-30 s.n. Riverside [Riverside, UCR campus] 100 yards SE of the Citrus Experiment Station Administration Building 366 Comment
  RSA407734  Sisyrinchium bellum Steve Boyd 1986-5-1 1803 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow. Comment
  UCR256901  Sisyrinchium bellum LeRoy Gross, Caitlin Elam 2013-5-14 6080 Riverside Peninsular Range; San Jacinto Mountains, Garner Ranch, east of Lake Hemet and Hwy 74, west of the ranch buildings, north of the road to the buildings, and south of the old landing strip 1332 Comment
  RSA0018656  Sitanion J. D. Olmsted 1962-5-3 3538 Riverside Above old Santa Rosa Indian Village; SW side of Santa Rosa Mountain. 1905 Comment
  RSA782532  Solanum O. F. Clarke 2004-6-1 s.n. Riverside Riverside; UCR Botanical Garden 340 Comment
  POM319104  Solanum americanum Patricia Wilder 1970-10-15 4754 Riverside Prado Dam at base of dam in Prado Flood Control Basin. East of Chino Hills. 152 Comment
  RSA289803  Solanum douglasii Barry A. Prigge 1980-8-12 3951 Riverside San Bernardino Mountains, Whitewater Canyon: 0.7 mile WNW of trout farm. 720 Comment
  OBI47612  Solanum lanceolatum A. C. Sanders 1984-7-31 5113 Riverside Riverside. A weed on the west side of the UCR Botanic Garden Comment
  UCR35268  Solanum rostratum L. B. Ziegler 1973-7-11 513 Riverside Peninsular Range; San Jacinto Mtns., Hemet (Garner) Valley 1402 Comment
  RSA520076  Solanum rostratum Steve D. Boyd 1988-7-24 2858 Riverside El Sobrante Road at junction with Mockingbird Canyon Road, NE of Lake Mathews. Comment
  CAS-BOT-BC157233  Solanum umbelliferum Y. W. Winblad 1937-4-23 s.n. Riverside Between Beaumont and Riverside Comment
  CAS-BOT-BC157241  Solanum umbelliferum S. Boyd; T. S. Ross; L. Arnseth 1990-3-30 3956 Riverside Vail Lake area, at S end of Black Hills S of 'Big' Oak Mtn. 731 Comment
  RSA180253  Solanum umbelliferum E. W. Lathrop 1965-3-30 5595 Riverside 16 miles west of Murrieta. Comment
  RSA543150  Solanum umbelliferum Steve D. Boyd 1991-3-17 5510 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  UCR214008  Solanum umbelliferum Scott D. White, Angelia Carey 2004-4-5 9981 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  RSA0020571  Solanum umbelliferum J. D. Olmsted 1962-6-23 5303 Riverside SE San Bernardino Mts: near Calelectric water intake on S. fk. Whitewater River. 2195 Comment
  RSA772861  Solanum xanti Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4817 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  UCR127329  Solanum xanti A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25837 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  RSA674654  Solidago californica Scott D. White 2000-8-22 8122 Riverside Gibbel Flat in the Santa Rosa Hills. 610 Comment
  RSA556446  Sonchus asper Julie Greene