Search Results — 2000 specimen records retrieved (1890 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCSB14  Abies concolor Tribbey, Bert 1960-5-14 Riverside Black Mountain; San Jacinto Range 2133 Comment
  CAS-BOT-BC229309  Abronia villosa A. C. Sanders; D. Malueg 2003-5-8 26564 Riverside San Jacinto Valley: San Jacinto Riverbottom, north of San Jacinto and SE of State St. 465 Comment
  CLARK-A1528-3259  Abronia villosa John C. Roos 1937-4-18 1364 Riverside Cabazon Comment
  CSUSB1072  Abronia villosa Steven J. Southwell 1971-5-2 Riverside Windy Gap sand dune west of Palm Springs on Highway 111, 100 yards of road. West Colorado Desert. 304 Comment
  RSA461028  Abronia villosa D. A. Young 1969-3-28 P- 393 Riverside At end of Hayfield Rd., S of Interstate Hiway 10. 305 Comment
  RSA461035  Abronia villosa M. B. Dunkle 1933-3-4 3052 Riverside Painted Canyon, Colorado Desert. 30 Comment
  SBBG113406  Abronia villosa D. Wilken with E. Painter` 2000-11-4 15865 Riverside State Hwy 74, 2.5 mi SE of Hurkey Crk, Garner Valley 1400 Comment
  RSA0046826  Abronia villosa Tamara Joy Hanna 1991-5-4 15 Riverside Township of Anza, area of High Country Ranches. From Terwilliger Road (paved) east on Coyote Canyon Road (dirt) approx. 2 miles. 1219 Comment
  JEPS79801  Abronia villosa var. aurita I. W. Clokey, E. G. Anderson 1935-4-6 6609 Riverside Hemet 500 Comment
Read comments
Mar 24 2011
  POM123199  Abronia villosa var. aurita Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  RSA461192  Abronia villosa var. aurita Ora M. Clark 1929-2-22 1576 Riverside E. of Whitewater Comment
  RSA575827  Abronia villosa var. aurita Steve Boyd 1981-5-15 s.n. Riverside Gavilan Hills region, Temescal Canyon at the confluence of 'Estelle Creek' and Temescal Creek, just northwest of the entrenched meander of Temescal Creek at the western Base of Estelle Mountain. 317 Comment
  RSA78301  Abronia villosa var. aurita P. A. Munz, E. K. Balls 1952-8-21 17989 Riverside Head of Hemet Valley 1494 Comment
  RSA784779  Abronia villosa var. aurita Duncan S. Bell 2012-3-18 3183 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
  UCR280972  Abronia villosa var. aurita Mitch Provance 2017-4-12 417- 78 Riverside Temescal Valley, South of the I-15, south side of Temescal Canyon Rd., vicinity of small bridge 0.8 mi W of Lake St., 0.3 mi E of Hostettler Rd. 372 Comment
  LA202925  Acamptopappus sphaerocephalus Elizabeth McClintock; 1936-4-11 sn Riverside Pines to Palms Highway Comment
  JOTR16556  Acamptopappus sphaerocephalus var. sphaerocephalus Baker, James K. & Baker, Ilisa T. 1966-6-17 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS Comment
  POM294267  Acamptopappus sphaerocephalus var. sphaerocephalus Lyman Benson 1945-4-6 11658 Riverside Whitewater Canyon, 3 miles above Whitewater. 427 Comment
  UC63196  Acamptopappus sphaerocephalus var. sphaerocephalus H. M. Hall May 17 1901-Jun 1 1901 1933 Riverside east base San Jacinto Mt. 609 Comment
  UCR16086  Acer macrophyllum J. Operskalski 1976-4-15 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, lower spring, Tahquitz Canyon Comment
Read comments
Sep 17 2012
  POM14659  Achnatherum hymenoides P. A. Munz, D. Keck 1922-4-14 5005 Riverside East of Whitwater Ranch 213 Comment
  RSA129687  Achnatherum hymenoides H. S. Yates 1937-3-23 6414 Riverside Near Whitewater 305 Comment
  RSA772402  Achnatherum hymenoides Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4866 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
  UCD50442  Achnatherum hymenoides F. M. Reed 1907-4-1 2916 Riverside Palm Springs. Comment
Read comments
May 1 2011
  UC39995  Achnatherum parishii H. M. Hall May 1899 1177 a Riverside El Toro Mt. San Jacinto Mountains 1524 Comment
  POM162738  Achnatherum parishii subsp. parishii Ralph Hoffmann 1929-9-6 15 Riverside Granite ridges, San Jacinto Mountains. 2439 Comment
  POM301785  Achnatherum speciosum J. Cole 1942-4-11 950 Riverside Split Rock Area, Joshua Tree National Monument, Riverside County. alt 4000ft 1220 Comment
  CAS-BOT-BC384683  Achyronychia cooperi Cecil Hart 1926-3-1 s.n. Riverside Between Whitewater & Indio Comment
  CAS-BOT-BC384728  Achyronychia cooperi John H. Thomas 1957-3-30 6556 Riverside 8.1 miles east of Cactus City, about 20 miles east of Coachella. Colorado Desert 426 Comment
  OBI8297  Achyronychia cooperi David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-27 12060 Riverside Along Box Cyn Rd, ca. 20 mi ENE of Mecca in Orocopia Mts 274 Comment
  UCD104583  Acmispon R. Tofsrud 1951-3 s.n. Riverside W. of Elsinore on Hwy. 74. 609 Comment
  SBBG67318  Acmispon argophyllus var. argophyllus M. N. Ackley 1928-4-1 549 Riverside Snow Crk, Mt San Jacinto 609 Comment
  SDSU4340  Acmispon glaber S. J. Barnhart 1966-4-24 660424 -1 Riverside South-West facing slope of small hil 0.1 miles east of McAllister St. along the Metropolitan Water Co. utility road (dirt), which is 1.5 miles south-east of the intersection of McAllister St. and Victoria avenue. 457 Comment
  SD224963  Acmispon strigosus G. K. Helmkamp 1998-4-3 3080 Riverside Snow Creek area N of Mt. San Jacinto; at edge of stream S of Snow Creek Rd at a point 1.4 mi. S of CA Hwy 111. 395 Comment
  SD248413  Acmispon strigosus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41422 Riverside San Gorgonio Pass: San Gorgonio River wash, ca. 3.7 miles east of Cabazon, ca. 1.25 mile NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms. 427 Comment
  UCD112621  Adenostoma fasciculatum Geoffrey Levin 1975-5-9 497 Riverside Dripping Springs Forest Service Station, Cleveland National Forest. 487 Comment
  RSA390498  Adenostoma fasciculatum var. fasciculatum N. C. Cooper 1949-6-29 4309 Riverside West of Pinon Flats, San Jacinto Mountains. 1524 Comment
  CHSC22834  Adenostoma sparsifolium Robert A. Schlising 1968-8-18 2905 Riverside San Jacinto Mountains, short distance south of Idyllwild on Hwy R-1. Comment
  CLARK-A1528-4007  Adenostoma sparsifolium John C. Roos 1937-8-17 2405 Riverside San Jacinto Mountains 1066 Comment
  UC519765  Adenostoma sparsifolium C. Epling 1931-10-4 Riverside Hemet to Idylwild Comment
  UCD166233  Adenostoma sparsifolium Jack Major 1962-4-16 774 -ab Riverside Mt. San Jacinto, south side. (Exact location unknown. Coordinates estimated by label maker.) 1524 Comment
  UCR95944  Adenostoma sparsifolium Scott D. White 1996-8-1 4456 Riverside San Jacinto Mtns., Twin Pines area, just north of Twin Pines Road, c. 0.5 air mi. west of Twin Pines Ranch. 1143 Comment
  RSA84991  Adiantum capillus-veneris F. W. Peirson 1919-4-13 1521 Riverside First canyon east of Palm Canyon, Palm Springs region. Comment
  UCR13753  Adiantum capillus-veneris N. R. Zabriskie, W. M. Zabriskie 1971-11-27 466 Riverside Western Colorado Desert/ San Jacinto Mtns, c. 25' north of stream bank, & c. 200 yards below juncture w/ 'north canyon'; Andreas Canyon, E slope of mountains. 360 Comment
  RSA612814  Adiantum jordanii Darin L. Banks 1997-3-1 1355 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Pechanga Creek, east of the ''Fiesta Grounds'' to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation. 423 Comment
  SD138005  Adiantum jordanii Darin L. Banks, Steve Boyd 1995-3-30 119 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north slope AguaTibia Mtn., west of Dripping Springs Alcove, east of Woodchuck Trail Comment
  UCR114756  Adiantum jordanii Scott D. White, D. E. Bramlet 1999-4-22 7230 Riverside Lake Skinner area, Ridgetop, north, west, and northwest facing slopes of Bachelor Mtn. 762 Comment
  UCR158947  Adiantum jordanii Scott D. White 1994-6-14 2053 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  UC4152  Agave deserti H. M. Hall Jun 1901 2117 Riverside e base San Jacinto Mountains (along the borders of the Colorado Desert); Colorado Desert Comment
  UC219314  Agoseris retrorsa P. A. Munz 1922-7-3 5965 Riverside Santa Rosa Santa Rosa Mts. 1920 Comment
Read comments
Oct 8 2011
  UCR193964  Agrostis A. C. Sanders 2008-7-25 35887 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 1524 Comment
  UC1146111  Agrostis exarata E. K. Balls 1958-6-27 23301 Riverside between Santiago Peak and Indian Truck Trail; Santa Ana Mountains, along Main Divide 1371 Comment
  UCR102854  Alchemilla occidentalis A. C. Sanders 1997-4-3 20156 Riverside Lake Skinner area, near north foot of Black Mountain, slopes south of Crown Valley 726 Comment
  UCR171983  Alchemilla occidentalis 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
  JOTR31897  Allionia incarnata La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2146 Riverside Joshua Tree National Park. West Cottonwood Mountains; rocky bench between deep drainages in large southwest facing canyon feeding into east Pinkham Wash Comment
  RSA339329  Allionia incarnata Robert F. Thorne, Gertrud Dahlgren, R. Dahlgren 1979-8-23 53570 Riverside Johsua Tree National Monument: Just S of San Bernardino Co. line near jct of road to Split Rock and 29 Palms, valley W of Pinto Mountains 1098 Comment
  SEINET10389829  Allionia incarnata A. C. Sanders, Jim Malusa 2015-9-10 41846 Riverside Salt Creek Canyon, along Summit Road c. 1.5 miles above mouth of Red Canyon, edge of Chocolate Mountains Aerial Gunnery Range 433 Comment
  UCR85162  Allionia incarnata A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16079 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  RSA0078221  Allionia incarnata var. incarnata Sarah J. De Groot, Amy Rouillard 2015-9-15 7559 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 107 Comment
  CAS-BOT-BC469000  Allium fimbriatum var. fimbriatum Ynez Whilton Winblad 1937-4-23 s.n. Riverside Pines to Palms Highway, Mt. San Jacinto Comment
  CAS-BOT-BC131983  Allium haematochiton Marcus E. Jones 1931-3-2 28594 Riverside Corona Comment
  RSA524460  Allium haematochiton Steve Boyd, Timothy S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4063 Riverside Vail Lake area, E flank of Big Oak Mtn, S of E summit. 610 Comment
  RSA802137  Allium haematochiton Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5012 Riverside Strawberry Creek to the southwest of Strawberry Valley, about 2.4 air miles southwest of Idyllwild. 1534 Comment
  SD247543  Allium haematochiton J. Mark Porter, Lauen E. Machen 1997-2-15 11421 Riverside North of Interstate 15 at the Lake Street / Walker Canyon exit, 4.4 mi NE of the Hwy 74 exit at Lake Elsinore. 390 Comment
  UC1286988  Allium marvinii C. L. Hitchcock 1966-3-15 24154 Riverside 1 mi e Glen Ivy Hot Springs Comment
  JOTR30649  Allium parishii La Doux, Tasha, Erin Babich 2008-4-21 1809 Riverside Joshua Tree National Park. Stop 6- Little San Bernardino Mountains, above Upper East Deception Canyon, open rocky ridge 1406 Comment
  POM184740  Allium parishii C. L. Hitchcock 1932-4-9 12226 Riverside White Tanks, Joshua Tree National Monument, East Riverside Comment
  RSA543578  Allium peninsulare Steve Boyd 1991-5-7 6160 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  RSA70238  Allium peninsulare F. W. Peirson 1930-5-10 8773 Riverside St. Johns Grade. south of Hemet 610 Comment
  POM161529  Allophyllum divaricatum Ralph Hoffmann 1929-9-6 s.n. Riverside Tahquitz Valley, San Jacinto Mts. 2438 Comment
  UCR133437  Allophyllum divaricatum Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 465 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  RSA192035  Allophyllum glutinosum E. W. Lathrop 1966-5-9 6275 Riverside 3 miles SW of Murrieta between Mesa de la Punta and Sandia Canyon. Comment
  RSA801955  Allophyllum glutinosum LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6154 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
  UC1483922  Allophyllum glutinosum C. W. Tilforth and B. Busenberg 1980-6-10 1978 Riverside 1 mi. s. Lake Hemet (0.1 mi. in from Hwy. 74 on n. leg of Thomas Mt. Rd.) 1386 Comment
  UCR25994  Alnus rhombifolia John C. Roos 1948-5-8 3828 Riverside San Bernardino Mtns, Whitewater 579 Comment
  RSA0020466  Amaranthus fimbriatus Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6032 Riverside Chuckwalla Mountains; about 0.25 air mile southeast of Corn Spring. 480 Comment
  RSA500102  Amaranthus retroflexus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3668 Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
Read comments
Mar 7 2012
  RSA33313  Ambrosia acanthicarpa N. C. Cooper 1943-10-9 958 Riverside Hemet. 305 Comment
  CAS-BOT-BC22612  Ambrosia dumosa P. H. Raven 1958-1-24 11463 Riverside Fargo Canyon Comment
  JEPS40963  Ambrosia dumosa W. L. Jepson 1928-4-25 12618 Riverside dry hills, (at w edge of Eagle Mountains) Cottonwood Springs; Colorado Desert, Joshua Tree National Monumnet, Eagle Mounta 731 Comment
Read comments
Oct 9 2010
  RSA761044  Ambrosia dumosa Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-4-21 152 Riverside N of Desert Center. Jct of Hwy 177 and Kaiser Rd. W of Kaiser Rd. N of Hwy 177. 335 Comment
  UCR227439  Ambrosia dumosa Thomas R. Stoughton, J. McConnaughy, D. Monks 2010-3-30 109 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
  UCR227449  Ambrosia dumosa Thomas R. Stoughton, J. McConnaughy, D. Monks, M. Volke 2010-4-27 175 Riverside Mojave Desert, Orocopia Mountains Wilderness, SR 2013/Red Canyon Road at wilderness boundary sign 689 Comment
  UCR24358  Ambrosia ilicifolia John C. Roos 1958-3-15 s.n. Riverside Sonoran (Colorado) Desert, 2.5 mi. SE of Desert Center, Chuckwalla Mts. Comment
  POM246654  Ambrosia psilostachya E. C. Jaeger 1938-10-30 s.n. Riverside Mecca. -30 Comment
  RSA33662  Ambrosia psilostachya N. C. Cooper 1943-10-9 963 Riverside Hemet. 305 Comment
  CAS-BOT-BC273038  Ambrosia salsola Geo. B. Grant 1906-5-1 609 -6736 Riverside Colorado Desert at Palm Springs Comment
  JEPS39439  Ambrosia salsola var. salsola L. M. Newlon 1926-4-2 421 Riverside highway between Westmorland and Indio Comment
  UCR110380  Ammannia robusta A. C. Sanders, Mitch Provance 1999-9-26 23114 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  RSA787990  Amorpha californica var. californica Linda M. Prince, Duncan S. Bell 2009-6-17 s.n. Riverside Cleveland National Forest. Roadside. Comment
  UC489216  Amorpha fruticosa C. V. Meyer 1928-8-2 628 Riverside Idyllwild Grade San Jacinto River (foot) Comment
  UC862267  Amorpha fruticosa Crawford and Johnston 1917-6-9 1225 Riverside near Corona; Santa Ana River 152 Comment
  UCR19436  Amorpha fruticosa C. S. Papp 1963-6-29 311 Riverside Riverside, Santa Ana River bed Comment
  UCR250205  Amorpha fruticosa var. occidentalis A. C. Sanders 2014-4-23 41058 Riverside Peninsular Range, Temescal Valley, along Hostettler Rd. near Temescal Canyon Rd. and I-15, at bend in Hostettler Rd. 363 Comment
  POM184172  Amsinckia intermedia P. A. Munz 1932-3-24 12025 Riverside North of Lake Elsinore. 305 Comment
  RSA499895  Amsinckia intermedia Ora M. Clark 1929-2-23 1525 Riverside Near Banning. Comment
  UCR97027  Amsinckia intermedia Scott D. White 1997-2-28 4707 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  RSA0089614  Amsinckia intermedia John F. Emmel 1973-4-7 426 Riverside Twin Pines Creek, at north base of San Jacinto Mts., ca. 1 1/2 air miles SW of Cabazon. 512 Comment
  SD126651  Amsinckia menziesii Jerilyn Hirshberg 1989-3-20 Riverside Santa Rosa Plateau, South of town of Murrieta: Southwest of Mesa de Burro 609 Comment
  JEPS61106  Amsinckia menziesii var. menziesii W. L. Jepson 1939-4-17 19123 Riverside 2 mi s on Road to Temecula Corona Comment
  UCR41830  Amsinckia tessellata A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6104 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  CLARK-A1528-775  Anagallis arvensis Leland R. Dykes 1962-5-1 54 Riverside Santa Ana Mountains Comment
  RSA180491  Anagallis arvensis E. W. Lathrop 1960-4-15 4760 Riverside 14 miles west of Murrieta, in low valley pasture in Tenaja Canyon. 610 Comment
  SD134507  Ancistrocarphus filagineus Craig Reiser 1991-4-25 Riverside Just S of Harford County Park, S of Daleona Road Comment
Read comments
Mar 4 2013
  UC1026576  Ancistrocarphus filagineus John and Lucille Roos 1954-5-11 6118 Riverside Reche Canyon 609 Comment
  RSA593798  Androsace elongata subsp. acuta Jeri Hirshberg 1995-5-19 273 A Riverside San Jacinto Mountains, Garner Valley. Comment
  UCD137873  Anemopsis californica Steve Boyd; Tim Ross, Laurel Arnseth 1989-6-11 3727 Riverside Vail Lake area, wetlands of Wilson Creek, east of the lake. 472 Comment
  RSA416701  Antennaria rosea Anstruther Davidson 1892-7-4 s.n. Riverside San Jacinto. Comment
  CHSC260  Anthemis cotula S. Westerberg 1934-3-23 Riverside Palm Springs. Comment
  UCR121190  Anthriscus caucalis D. E. Bramlet 1990-4-26 1975 Riverside Peninsular Range, E side of Rawson Canyon, c. 7000 ft. (1.3 mi.) south of Crown Valley and 8,500 ft. (1.6 mi.) NW of Black Mountain 579 Comment
  CLARK-A1528-839  Antirrhinum coulterianum Ruth Cooper 1968-4-21 Riverside Santa Ana Mountains Comment
  JEPS83435  Antirrhinum coulterianum David M. Thompson 1983-5-6 294 Riverside 1.9 mi e Aguanga, junction of Hwy. 79 and Hwy. 371, off Hwy. 79 (0.4 mi up wide gravel/dirt road); Aguanga, Aguanga Quad. (7.5', 1954) 792 Comment
  RSA734197  Antirrhinum coulterianum Keith E. Hoffmaster 1937-6-6 761 Riverside Near Valle Vista, Hemet Valley. Comment
  RSA773132  Antirrhinum coulterianum Duncan S. Bell, Joy D. England 2010-6-7 1268 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.4 air miles southeast of junction of Highway 74 and forest service road 5S15. Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 780 Comment
  POM14066  Antirrhinum filipes Philip A. Munz, D. D. Keck 1922-4-9 4868 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
  RSA703397  Antirrhinum filipes LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda L. Worlow 2005-2-17 1449 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  CLARK-A1528-4165  Antirrhinum nuttallianum John C. Roos 1937-5-2 1398 Riverside La Sierra Comment
  RSA304702  Antirrhinum nuttallianum subsp. nuttallianum James R. Shevock 1970-4-25 158 Riverside Coldwater Trail 579 Comment
  UCR250311  Apiastrum angustifolium A. C. Sanders 2014-4-8 40976 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 280 m NE of the I-15 crossing, near mouth of Mayhew Canyon 317 Comment
  RSA335037  Apium graveolens Steve Boyd 1985-7-23 1011 Riverside De Luz Rd., 7 mi. west of Rancho California. 366 Comment
  POM318578  Apocynum X floribundum Patricia Wilder 1968-7-5 4322 Riverside Idyllwild, San Bernardino National Forest 1829 Comment
  RSA761226  Aquilegia formosa Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 731 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCR167973  Aquilegia formosa T. B. Salvato, John F. Green 2004-5-27 653 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
  UC855414  Arabis glaucovalvula P. A. Munz and I. M. Johnston 1922-5-7 5251 Riverside 2 mi w Keyes Ranch; Little San Bernaridno Mts. 1066 Comment
  RSA770418  Arabis perennans Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4881 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
  POM184120  Arabis pulchra var. gracilis P. A. Munz, CL Hitchcock 1932-4-9 12242 Riverside 10 miles SE of Windmill Tank Comment
  UCR172752  Arabis sparsiflora Abby Sirulnik 2000-5-7 33 Riverside Peninsular Ranges; San Jacinto Mtns., c. 1/4 mi. down first road off of Poppet Flat Road (off Calif. Hwy 243 near Twin Pines) 1220 Comment
  UCR5969  Arabis sparsiflora var. arcuata Sue Freeman 1966-4-30 s.n. Riverside San Jacinto Mtns., above Fuller Mill Creek, 0.5 mi upstream from Banning-Idyllwild Rd. 1677 Comment
  CAS-BOT-BC410047  Arceuthobium campylopodum Louis C. Wheeler 1931-10-4 242 Riverside Strawberry Valley, San Jacinto Mountains 1584 Comment
  RSA629159  Arctostaphylos Jon E. Keeley 1992-7-17 16789 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  RSA629379  Arctostaphylos glandulosa Jon E. Keeley 1992-4-17 15087 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA631759  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15065 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA632645  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16558 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  UCR111068  Arctostaphylos glauca Heidi A. Haid 1969-8-20 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
Read comments
Feb 3 2017
  POM3277  Arctostaphylos glauca var. glauca I. M. Johnston 1918-4-27 1879 Riverside near Temecula 366 Comment
  RSA633533  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20151 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633536  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16696 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633589  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22521 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633598  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-17 16706 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633690  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16664 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  RSA633691  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16660 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  RSA633744  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22524 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633769  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16629 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  LA43651  Arctostaphylos pringlei subsp. drupacea Elizabeth McClintock; 1938-7-17 sn Riverside San Jacinto Mountains, near Pine Cove Comment
  UC1861761  Arctostaphylos pringlei subsp. drupacea Steve Boyd, Valerie Soza 2004-6-22 11552 Riverside Peninsular Ranges: San Jacinto Mountains region: Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along forest service road 5N13 near 5N06. 1463 Comment
  LA42247  Arctostaphylos pungens C. B. Wolf; 1931-5-11 1953 Riverside near Pipe Creek, above Hemet Valley, San Jacinto Mts 1676 Comment
  RSA635808  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16547 Riverside Red Mountain Road, 9.5-10.3 km east of R3. 1050 Comment
  UCR84580  Arctostaphylos rainbowensis Steve Boyd 1994-10-14 8380 Riverside Southern Santa Ana Mtns., San Mateo Canyon Wilderness Area of the Cleveland National Forest. Fisherman's Camp Trail (7S02) from Wildomar Road (7S01) W into Tenaja Canyon at its confluence with San Mateo Canyon, Fisherman's Camp 341 Comment
  UCR213839  Arenaria macradenia Scott D. White, Justin M. Wood 2009-5-21 12856 Riverside San Jacinto Mountains, Garner Valley, near abandoned duck ponds, south of Quinn Flat 1366 Comment
  UC68528  Argemone munita H. M. Hall Apr 1905 5970 Riverside Colorado Desert, Chuckawalla Mountains Chuckawalla Mountains; Colorado Desert, Chuckawalla Mountains Comment
  UCR3355  Argemone munita Heidi A. Haid 1964-5-10 11 Riverside Hwy 79, c. 1 mi. east of Aguanga 610 Comment
  RSA434322  Argemone munita subsp. munita N. Cooper 1949-6-29 4289 Riverside East side of San Jacinto, dry roadside bank 1524 Comment
  SEINET4085707  Argemone munita subsp. munita O. M. Clark 1932-1 5108 Riverside South Hemet. Comment
  CAS-BOT-BC137649  Aristida adscensionis Frank W. Peirson 1921-3-23 2374 Riverside Colorado Desert. Deep Canyon. 335 Comment
  CLARK-A1528-4461  Aristida adscensionis John C. Roos 1946-10-26 3143 Riverside Chuckwalla Mountains Comment
  SEINET4565912  Aristida adscensionis Duncan S. Bell 2011-10-22 2992 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
  UCR167416  Aristida adscensionis John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, WNW of Rancho Dos Palmas between Coachella Canal siphons 29 and 30 24 Comment
  RSA0027480  Aristida adscensionis Deidre Conocchioli, Sarah J. De Groot 2013-9-18 48 Riverside Sonoran Basin & Range. Chuckwalla Valley: From Blythe, head west on 1-10 for 23 miles. Exit at Ford Dry Lake, turn left to cross back over the interstate and turn right on Chuckwalla Valley Rd., Site is 1.5 miles down on south side of road, near intersection of Graham Pass Rd (unpaved). 122 Comment
  POM308114  Aristida adscensionis var. modesta Henry J. Ramsey, Henry J. Ramsey 1939-11-28 2936 Riverside 10 miles east of Indio. Comment
  UCR244912  Aristida californica Jim Andre 2012-3-19 21352 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177, 8.6 mi. NE of junction with I-10 152 Comment
  UCR251723  Aristida californica Deidre Conocchioli, Billy Sale, Naomi Fraga 2013-9-25 60 Riverside Sonoran (Colorado) Desert, east of Alligator Rock; from I-10 at Desert Center, head south on CA 177 to BLM Rd 394 (dirt), collection site is 1.1 miles SW of I-10 exit ramp 334 Comment
  JOTR29565  Aristida californica var. californica Andre, Jim, Tasha LaDoux 2006-4-11 6739 Riverside Joshua Tree National Park. About 1 mi. N. of Pinto Basin Rd (paved), growing in Sand Hill area 526 Comment
  RSA0034601  Aristida purpurea var. purpurea J. C. Roos 1965-8-15 s.n. Riverside Gilman Hot Springs, San Jacinto Valley. Comment
  RSA784531  Artemisia californica J. D. Olmsted 1959-2-23 266 Riverside Drainage area NE to Santa Ana River: 1 mi SW of olive grove on Oak flat fire rd. 4 mi S of Corona on Lincoln and Chase Dr. to wash then south. 457 Comment
  UC1119314  Artemisia californica C. Van Fleet 1931-1-22 5 Riverside Wilson Creek San Jacinto Quadrangle, Wilson Creek Comment
  UCSB9169  Artemisia douglasiana Philbrick, Ralph 1954-10-24 Riverside Four miles south of Chino Institute 213 Comment
  CLARK-A1528-1572  Artemisia dracunculus John C. Roos 1937-8-17 1615 Riverside San Jacinto Comment
  SDSU12991  Artemisia dracunculus Michael G. Simpson with Claudia A. Luke 1999-10-27 2011 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/4 mile from Southside Facilities. 152 Comment
  UCR127581  Artemisia ludoviciana D. E. Bramlet 2003-4-18 3377 Riverside Base of San Jacinto Mtns., at old facility site, 2,439m south of Cabazon, 2,043m northwest of Cabazon Peak, and 213m northwest of the Colorado River Aqueduct 548 Comment
  RSA23707  Artemisia tridentata R. S. Woglum 1937-10-20 1204 Riverside Santa Rosa Mountains Comment
  RSA417412  Artemisia tridentata H. de Forest 1932-8-28 s.n. Riverside W side San Jacinto Valley. Comment
  CAS-BOT-BC93479  Artemisia tridentata subsp. tridentata R. E. Jr. Riefner 2006-9-19 06 -442 Riverside Temecula Valley, c. 0.1 mi. west of I-15 Freeway along Temecula Creek (Temecula 7.5' Q) 300 Comment
  UCR23268  Asclepias erosa John C. Roos 1965-9-5 s.n. Riverside Sonoran (Colorado) Desert, 18 mi. west of Blythe 122 Comment
  CLARK-A1528-1463  Asclepias fascicularis John C. Roos 1941-10-24 5333 Riverside Riverside 228 Comment
  UCR112062  Asclepias fascicularis Mitch Provance 1999-6-30 1746 Riverside Box Springs Mtns., City of Riverside, at the corner of Rustin Ave. and Marlborough Ave. 305 Comment
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Sep 1 2011
  SEINET10637047  Asclepias fascicularis Harvey M. Hall Hall s.n. 1897 Riverside Kenworthy, San Jacinto Mountains 1372 Comment
  CAS-BOT-BC68762  Asplenium vespertinum Elmer I. Applegate 1892-4-23 s.n. Riverside Hills of East Riverside Comment
  RSA653764  Aster hesperius Dr H. Baer 1923-9-24 s.n. Riverside Shore of Lake Elsinore Comment
  RSA0000927  Aster standleyi Francis Fultz 1922-05 3487 Riverside Mecca. Painted Canyon. Comment
  CAS-BOT-BC477876  Asteraceae Elizabeth McClintock 1965-6-25 s.n. Riverside Santa Rosa Mountian, a short distance below summit. Comment
  SD249680  Astragalus aridus J. M. Andre 2013-3-27 24804 Riverside Region: CA-SonM; Rice Valley east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62) 241 Comment
  UCR198167  Astragalus aridus Michael Honer, Dave Silverman 2005-3-18 2101 Riverside Sonoran (Colorado) Desert, Palen Valley, c. 3 mi due east of Desert Center Airport 134 Comment
  CAS-BOT-BC177728  Astragalus crotalariae E. K. Balls 1949-4-2 12905 Riverside Near Durmid by the Salton Sea on Highway 111, Colorado Desert -67 Comment
  POM122253  Astragalus crotalariae Marcus E. Jones 1926-4-3 s.n. Riverside Indian Spring [Wells] Comment
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Sep 16 2011
  UCR85568  Astragalus didymocarpus var. didymocarpus Julie A. Greene 1993-4-3 1119 Riverside San Jacinto Valley, San Jacinto Wildlife Area. Weedy area by Fence Line Road gate. 441 Comment
  CAS-BOT-BC182583  Astragalus didymocarpus var. dispermus C. L. Hitchcock 1940-4-4 5953 Riverside Pinto Basin Comment
  UC862974  Astragalus douglasii var. douglasii Marcus E. Jones, A. M. 1882-4-24 3166 Riverside San Jacinto Comment
  CDA26659  Astragalus douglasii var. parishii E. Bryant Jr. 1967-12-1 Riverside About 4 miles north of Keene s Summit, south of Idylwild on road from Hemet. 0 Comment
  PASA2723  Astragalus douglasii var. parishii Frank W. Peirson 1922-5-20 3342 Riverside Hemet Valley, San Jacinto Mtns. 1371 Comment
  RSA505019  Astragalus douglasii var. parishii D. Charlton 1988-5-21 1918 Riverside Thomas Mtn Rd, W of Garner Valley and S of Lake Hemet on Hwy 74. 1829 Comment
  UCR25291  Astragalus insularis var. harwoodii John C. Roos 1958-3-15 s.n. Riverside Sonoran (Colorado) Desert, 3 mi. SE of Desert Center, Chuckwalla Mtns. Comment
  RSA415585  Astragalus lentiginosus var. coachellae George B. Grant 1906-5-10 1931 Riverside Palm Springs. Comment
  RSA336199  Astragalus nuttallianus var. cedrosensis R. F. Thorne, Walter Wisura, Avi Shmida, R. Whittaker 1978-4-23 52013 Riverside Chino Canyon. Comment
  RSA550340  Astragalus nuttallianus var. imperfectus Walter Wisura, John Dolan, Michael Wall 1992-3-25 4648 Riverside Low Desert: Ford Dry Lake N of I-10 at Hopkins Well. Comment
  UCR236899  Astragalus pachypus var. jaegeri Duncan S. Bell, Naomi Fraga 2010-4-22 854 Riverside San Jacinto Mountains, San Bernardino National Forest, Rouse Ridge, c. 1.6 air mi southeast of junction of Hwy 74 and FS Road 5S15 841 Comment
  POM229012  Astragalus palmeri P. A. Munz 1937-5-30 15128 Riverside Dos Palmos Spring, north end of Santa Rosa Mountains. 1098 Comment
  RSA0025522  Astragalus palmeri John F. Emmel 1986-4-12 997 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-BC27821  Astragalus pomonensis Marcus Eugene Jones 1882-4-24 3166 Riverside San Jacinto Comment
  SEINET2060269 Image available Astragalus pomonensis Howard Scott Gentry 1981-6-1 23712 Riverside Near Murrieta 396 Comment
  UC55779  Astragalus pomonensis H. M. Hall Apr., 1903 3815 Riverside vicinity Riverside; vicinity of Riverside 304 Comment
  CAS-BOT-BC193165  Astragalus sabulonum Marcus E. Jones 1906-4-30 s.n. Riverside Indio Comment
  OBI70233  Astragalus tricarinatus Lyman Benson 1945-1 Riverside Comment
  CLARK-A1528-2295  Athysanus pusillus John C. Roos 1947-3-21 3363 Riverside Reche Canyon Comment
  JEPS35956  Atrichoseris platyphylla Marjorie D. Clary 1672 Riverside Aqueduct Road, North Colorado Desert Little San Bernardino Mountains, Colorado Desert 243 Comment
  SD43753  Atrichoseris platyphylla Darley F. Howe 1949-3-21 1944 Riverside 10 miles est of Mecca. Comment
  UCD129390  Atrichoseris platyphylla M. F. Wojciechowski; M. J. Sanderson 1993-3-24 279 Riverside Little Maria Mountains, near Midland. Comment
  UCR41750  Atrichoseris platyphylla A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6047 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, west side of the Chuckwalla Mtns., 6 mi. south of Hwy I-10 on gasline road; 1/2 mi. NW of Model Mine 520 Comment
  CLARK-A1656-894  Atriplex canescens Lois Ann Scott 1977-11-18 Riverside Palm Springs Comment
  UC205025  Atriplex canescens L. G. Childs 1921-1-21 Riverside Dos Palmas Colorado Desert, Dos Palmas Comment
  UC7053  Atriplex canescens H. M. Hall June 1901 2003 Riverside San Jacinto Valley Comment
  CAS-BOT-BC170217  Atriplex canescens subsp. canescens Louis C. Wheeler 1931-11-27 378 Riverside 2 mi. SE Salton Bench Mark -76 Comment
  SD240965  Atriplex canescens var. macilenta Dave Silverman 2010-3-24 7828 Riverside South Palen Lake, Chuckwalla Valley, 4.5 km SE of Sidewinder Well, 2.3 km SW of Palen Dunes Drive, and 4.2 km N of Interstate 10. 128 Comment
  OBI53316  Atriplex coronata var. notatior R. A. Johnson & G. A. Ruffner, G. A. Ruffner 1990-1 Riverside Comment
  RSA532563  Atriplex coronata var. notatior D. E. Bramlet 1991-5-8 2129 Riverside 7.6 km west of Hemet and some 830m west of the intersection of warren Rd. and the RR tracks. the ste is some 350m north of the santa Fe raileroad tracks and 500m east of the MWD canal. 500 Comment
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Mar 4 2013
  RSA532566  Atriplex coronata var. notatior D. E. Bramlet 1991-6-19 2195 Riverside The popualtion os approximatly 810m. west of the San Jacinto River. some 500m east of the intersection of Pozos Ave. anf the MWD Colorado aqueduct easement Road., The population is found some 4m north of the road. 473 Comment
  RSA532570  Atriplex coronata var. notatior D. E. Bramlet 1991-6-1 2180 Riverside 3km west of Nuevo ans some 20m east of the San Jacinto Rover. The population is some 300m south of the end of 11th street just east of an exisitng dirt road. 473 Comment
  UCR217553  Atriplex coronata var. notatior Diane Menuz 2009-5-18 498 Riverside Perris-Aguanga Basin, Conservation land c. 500 m north of Stetson Ave. and c. 70 m west of Warren Rd.; south of Hwy. 74 457 Comment
  CLARK-A1528-5398  Atriplex patula subsp. hastata John C. Roos, Lucille Roos 1951-10-24 5339 Riverside Pedley 228 Comment
  UC1929667  Atriplex rosea Scott D. White 2003-6-9 9523 Riverside PERRIS BASIN: Northeast corner of Devonshire Ave. and Warren Rd., immediately south of Tres Cerritos. Comment
  UCD97797  Atriplex serenana K. Esau 1935-6-15 s.n. Riverside Riverside. Comment
  RSA532571  Atriplex serenana var. davidsonii D. Bramlet 1991-6-1 2188 Riverside 5.8 km W of Hemet and some 25 m SW of the intersection of Florida and Warren; 10 m from a disturbed area (parking) S of Florida. 500 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
  UCR129807  Atriplex suberecta Scott D. White 2001-4-13 8322 Riverside Beaumont Badlands, County Landfill area north of Moreno Valley, c. 0.25 air mi. NW of the SR-60 freeway junction with Gilman Springs Rd., unnamed wash 701 Comment
  UCR41799  Avena fatua A. C. Sanders 1986-4-13 6466 Riverside Riverside, Riverside, residential garden, 422 Campus View Drive 335 Comment
  JEPS2495 Image available Ayenia compacta W. L. Jepson May 17 1901-Jun 1 1901 1407 Riverside Palm Canyon, San Jacinto, Southern California Comment
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Sep 26 2010
  RSA209596  Ayenia compacta Richard A. weaver 1970-1-14 s.n. Riverside Chuchwalla Mts. (west portion of range). Gravelly canyon bottom. Eaten by mammals. Comment
  POM213084  Baccharis brachyphylla C. B. Wolf 1932-10-11 4275 Riverside Morongo Wash, 3/10 mile below the San Bernardino County line. 671 Comment
  UCD129391  Baccharis brachyphylla J. C. Roos 1946-9-14 3008 Riverside near Dos Palmos Spring. East of Asbestos Mountain. 1066 Comment
  RSA1880  Baccharis emoryi C. B. Wolf 1931-3-13 1881 Riverside Colorado Desert, in old cotton field 2 miles N of Blythe 152 Comment
  RSA614091  Baccharis emoryi A. C. Sanders, C. L. Sanders 1994-12-4 15882 Riverside Salton Trough: Dos Palmas oasis area, San Andres palm grove, 1.75 km (1.1 mi) WSW of Rancho Dos Palmas., Marked ''seep'' on Durmid 7.5' Quad. -23 Comment
  CAS-BOT-BC106734  Baccharis salicifolia Steve Boyd; Aydee Virgen 2004-4-13 10851 Riverside Peninsular Ranges; Santa Ana Mountains region: San Mateo Canyon, midway between confluence with Los Alamos Canyon Comment
  RSA502921  Baccharis salicifolia Ed LaRue 1989-4-7 s.n. Riverside Woodcrest area: 1/2 mile NE of the intersection of Van Buren Blvd & Mockingbird Canyon Road. 365 Comment
  SBBG7728  Baccharis salicifolia H. and M. Dearing 1940-11-10 5011 Riverside Whitewater Comment
  SD40814  Baccharis salicifolia Carl B. Wolf 1932-10-11 4174 Riverside Little San Bernardino Mountains, Morongo Wash. 669 Comment
  UCR189288  Baccharis salicifolia Fred M. Roberts, S. Leatherman 2007-9-19 6591 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  RSA93201  Baccharis salicifolia F. W. Peirson 1924-12-30 5424 Riverside Thousand-Palms Canyon, Colorado Desert 122 Comment
  UCR199605  Baccharis salicina Scott D. White, J. Campbell 2008-4-18 11900 Riverside Perris/Elsinore Basin, Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. 'Morgan' Property, Alberhill area 366 Comment
  SBBG63307  Baccharis sarothroides R. H. Nordhoff 1940-11-10 610 Riverside ca. 20 mi below Banning Comment
  RSA0035717  Baccharis sergiloides A. C. Sanders, T. B. Salvato, Ana Hernandez, Karyn Drennen, Angela Collada 2013-10-2 40954 Riverside Wilson Valley Preserve, 0.35 air mi. south of Wilson Valley Rd. and 0.8 mi. east of Sage Rd., 1.4 mi. east (93 ) of Round Top Mountain 739 Comment
  RSA0078486  Baccharis sergiloides Sarah J. De Groot, Duncan S. Bell 2015-9-21 7583 Riverside Santa Rosa Mountains south-southwest of Palm Desert. Near Potrero Sping near head of Potrero Canyon, west of Dunn Road, northwest of Asbestos Mountain, southwest of Haystack Mountain. 1084 Comment
  RSA771791  Baccharis sergiloides Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4807 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA26988  Bahiopsis parishii C. L. Hitchcock 1940-3-30 5873 Riverside Cottonwood Spring. Comment
  JEPS34669  Baileya pauciradiata W. L. Jepson and W. C. Mathews 1914-5-23 6048 Riverside Colorado Desert, Conchilla Desert 60 Comment
  UCR48473  Bassia hyssopifolia Steve Boyd 1986-4-19 1716 Riverside Peninsular Range, Temescal Canyon, Warm Springs Valley, Alberhill Creek east of Nichols Road 366 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
  SEINET10892149  Bebbia juncea David B. Dunn 1947-9-21 Dunn 3509 Riverside Collected in Pushawalla Canyon. Dry wash near palms. Comment
  CAS-BOT-BC100113  Bebbia juncea var. aspera Carl B. Wolf 1932-4-26 2979 Riverside Colorado Desert. 5 1/2 mi. E. of Mecca, on Blythe Road 60 Comment
  CAS-BOT-BC100143  Bebbia juncea var. aspera W. R. Dudley 1903-12-26 s.n. Riverside Palm [Canon] Canyon 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
  RSA746821  Bebbia juncea var. aspera Michael Honer 2003-4-16 1833 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
  RSA753535  Berberis nevinii Michael Wall 2009-6-10 518 Riverside CNDDB EO # 04; south of Redlands ca. 0.75 miles up an unnamed canyon off San Timoteo Canyon Rd. ca. 0.5 miles NW of jct with Allesandro Blvd, (road entrance is by an abandoned dairy) 496 Comment
  UC1563036  Berberis nevinii Steve Boyd, Tim Ross, and Laurel Arnseth 1989-3-18 3001 Riverside below Vail Lake dam Temecula Creek Canyon; Vail Lake 457 Comment
  UC1563046  Berberis nevinii Steve Boyd, Tim Ross, and Laurel Arnseth 1989-4-2 3224 Riverside sandstone ridge between Kolb Creek and Temecula Creek (forming peninsula at sw end of lake); Vail Lake Comment
  POM157913  Bergia texana P. A. Munz 1927-5-20 10805 Riverside Murrieta Hot Springs. Comment
  RSA356886  Bernardia incana R. F. Thorne 1966-10-15 41798 Riverside Palm Springs. Comment
  UCR23594  Bernardia myricifolia John C. Roos 1946-9-14 3024 Riverside Santa Rosa Mtns, Dos Palmas Spring, east of Asbestos Mountain 1070 Comment
  POM158180  Bidens laevis Philip A. Munz 1928-9-6 11266 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  CAS-BOT-BC16091  Boechera californica H. M. Hall 1897-6-17 653 Riverside South side of the San Jacinto Mountains. 1676 Comment
  UCR17654  Boerhavia coulteri Hap Ritter, Paul Mack 1976-10-19 s.n. Riverside Sonoran (Colorado) Desert, c. 20 mi. NW of Blythe on the Midland Road, McCoy wash drainage, SW side of the Big Maria Mtns. 245 Comment
  VVC2319  Boerhavia coulteri Tim Thomas, Alice Karl 2011-10-18 5527 Riverside Sonoran Desert, Hayfield Lake 4 miles east of Chiriaco Summit; just north of Hwy 10. In northwest portion of lake bed. 437 Comment
  RSA0130829  Boerhavia coulteri G. Rink 2012-9-1 11654 Riverside Blythe Solar Power Plant (proposed) about 10 miles northwest of Blythe. 160 Comment
  RSA0009686  Boerhavia intermedia Marcus E. Jones 1929-9-16 24796 Riverside Hayfield, Near Desert Center. Colorado Desert. Comment
  UCR251726  Boerhavia wrightii Deidre Conocchioli, Billy Sale, Naomi Fraga 2013-9-25 52 Riverside Sonoran (Colorado) Desert, east of Alligator Rock; from I-10 at Desert Center, head south on CA 177 to BLM Rd 394 (dirt), collection site is 1.1 miles SW of I-10 exit ramp 334 Comment
  LA11367  Bouteloua aristidoides var. aristidoides Marcus E. Jones; 1929-9-16 24721 Riverside Hayfields, near Desert Center Comment
  POM266615  Bouteloua barbata J. C. Roos 1937-8-20 1227 Riverside Blythe Comment
  UCR227593  Bouteloua barbata Duncan S. Bell, Joy England 2010-10-5 1976 Riverside San Jacinto Mountains, San Bernardino National Forest, Garner Valley, c. 1.75 air miles southeast of junction of Forest Service Road 6S04 and Forest Service Road 6S13 1387 Comment
  JOTR30686  Bouteloua barbata var. barbata Andre, Jim, Tasha La Doux 2008-9-13 10271 Riverside Joshua Tree National Park. Eagle Mountains at Joshua Tree National Park boundary, lower slopes of south end of Eagle Mtns., along aqueduct access road. 354 Comment
  UCR149061  Bowlesia incana Michael L. Fugate 2005-2-18 s.n. Riverside Coyote Hill SE of UC Riverside campus, lower slopes of hill with Bench Mark Versity 366 Comment
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Mar 27 2013
  JOTR28882  Brandegea bigelovii La Doux, Tasha 2004-2-24 1118 Riverside Joshua Tree National Park. Cottonwood Canyon 932 Comment
  OBI4118  Brandegea bigelovii Donald Myrick 1968-3-3 1796 Riverside In wash of Box Cyn E of Mecca 305 Comment
  RSA0105943  Brandegea bigelovii Alan Romspert 2000-4-14 s.n. Riverside West of Dupont road, Chuckwalla Mountains. Comment
  UC193128  Brandegea bigelovii E. E. Schellenger 1894-12-3 87 Riverside Colorado Desert, Chuckwalla Wash Chuckwalla Wash; Colorado Desert, Chuckwalla Wash Comment
  UCD107473  Brandegea bigelovii Lewis S. Rose 1967-12-21 67187 Riverside 2 mi. s. of Palm Desert. 60 Comment
  POM312158  Brassica juncea N. C. Cooper 1944-6-17 1387 Riverside San Jacinto Mountain. West side. 1372 Comment
  UCR226070  Brassica rapa A. C. Sanders, T. B. Salvato 2011-4-1 38939 Riverside Peninsular Range, Lake Elsinore, Baker St. above Temescal Wash, c. 1200 ft. north of water tank on hill 386 Comment
  RSA0102676  Brassica tournefortii Scott D. White, Angelia Carey 2004-4-5 9977 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR130125  Brassica tournefortii Scott D. White 2001-4-3 8237 Riverside Sonoran (Colorado) Desert, Shavers Valley, near the I-10 Freeway, c. 15 miles east of Indio junction of I-10 and Calif. SR 111, adjacent to powerline access roads at unnamed freeway exit accessing pump station 473 Comment
  UCR134593  Brassica tournefortii Marisa Sripracha, Kyle Boyd 2004-2-14 009 Riverside Sonoran (Colorado) Desert, Snow Creek, 25 m from Snow Creek Road, 0.7 km south of Hwy 111 352 Comment
  UCR214563  Brassica tournefortii A. C. Sanders 2010-3-15 37409 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
  UC597720  Brickellia atractyloides Philip A. Munz 1937-5-29 15150 Riverside Deep Canyon Santa Rosa Mts. 1066 Comment
  RSA588808  Brickellia californica Darin L. Banks, Steve Boyd 1995-10-17 0761 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
  POM212005  Brickellia desertorum C. B. Wolf 1931-10-14 1330 Riverside Snow Creek 1/2 mi. below the Fish Hatchery N base of San Jacinto Mountains. 549 Comment
  UCR23692  Brickellia desertorum John C. Roos 1946-9-14 3023 Riverside Santa Rosa Mountains, Pines-to-Palms Highway. 1100 Comment
  SEINET10797623  Brickellia microphylla var. watsonii A. K. Evans 1976-4-13 Evans 5214 Riverside Desert canyons of Santa Rosa Mountains. Comment
  RSA561879  Bromus arenarius Steve Boyd, Timothy S. Ross 1992-6-10 7630 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about 'Potrero Escondido',, an isolated area of low relief topping the ridge system due west of the junction on Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek 671 Comment
  SD185078  Bromus arizonicus A. C. Sanders, K. Rose and D. Woodard 1995-3-22 16220 Riverside San Gorgonio Pass/San Jacinto Mountains; on and near a rocky spur at the north foot of the mountains. 399 Comment
  SEINET14396953  Bromus arizonicus D. H. Wilken 1965-6-29 361 Riverside Strawberry Meadows, near Idyllwild, San Jacinto Mts. 1555 Comment
  SEINET3921441  Bromus arizonicus N. D. Atwood 1993-3-29 17735 Riverside Huntington Beach along Beach Blvd. ca. 1/2 mi. N of beach.; 0 Comment
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Jul 20 2015
  UC2015537  Bromus berteroanus A. C. Sanders with G. Helmkamp, P. MacKay, et al 1995-3-19 16168 Riverside Coachella Valley/San Jacinto Mtns. Foothills, N-facing rocky slope in Chino Canyon along the Palm Springs tram road, 2 miles above Highway 111 (Palm Canyon Dr.) Comment
  CAS-BOT-BC148742  Bromus carinatus var. marginatus Mary F. Spencer 1919-6-27 1232 Riverside San Jacinot Mountains. Idyllwild. 1615 Comment
  SEINET10658417  Bromus diandrus Nye Leith, Greg Gust 2005-3-11 Nye 58 Riverside Lake Elsinore. Intersection of Diamond Circle and Malaga Rd. Off Mission Trail Rd. 399 Comment
  RSA495422  Bromus diandrus subsp. triangularis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-11 2889 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 390 Comment
  UC1146110  Bromus emarginatus E. K. Balls 1958-6-27 23293 Riverside between Santiago Peak and Indian Truck Trail (along Main Divide, Santa Ana Mountains); Santa Ana Mountains, Main Divide 1371 Comment
  RSA179503  Bromus grandis E. W. Lathrop 1960-6-7 4868 Riverside 10 miles west of Murrieta. Redonda Mesa. Comment
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Apr 28 2011
  UCR193875  Bromus grandis A. C. Sanders, Mitch Provance 2008-7-11 35795 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
  RSA715940  Bromus hordeaceus Scott D. White, Angelia Carey 2004-4-5 10026 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  SDSU14007  Bromus madritensis subsp. rubens Dinna Estrella, M. G. Simpson 2002-4-20 18 Riverside Santa Margarita Ecological Reserve. Loop trail, ca. 1/4 mile east of Northside field station. 335 Comment
  CAS-BOT-BC161815  Bromus rubens D. A. Johansen; J. A. Ewan 1932-4-10 7057 Riverside Along diversion canal at mouth of Tahquitz Canyon, Western Colorado Desert. Comment
  RSA652809  Bromus rubens Colleen Callan 1992-4-25 20 Riverside Yucca Valley. 10 freeway east to Highway 62 east. North on Hwy 247. West on Pipes Canyon Road for Five miles. 1249 Comment
  SEINET3923303  Bromus rubens F. S. Crosswhite 1961-1-21 1707 Riverside Weed along Chicago Ave.; 0 183 Comment
  UCR243172  Bromus rubens LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4350 Riverside Transverse Ranges; San Bernardino Mountains, 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
  RSA314483  Bromus rubens R. F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55368 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  SEINET10810207  Bromus rubens Gordon H. True 1935-3-11 True 68 Riverside Sycamore Canyon, Box Springs. North hillside. 366 Comment
  RSA0021329  Bromus tectorum Duncan S. Bell, Kim Clark, Keir Morse, Harry Spilman 2013-3-30 4655 Riverside Around the confluence of the San Gorgonio and Whitewater river drainages, just south of the historic Palm Springs Station, about 1.5 air miles northwest of Windy Point. 340 Comment
  RSA405290  Caesalpinia virgata M. B. Dunkle 1933-3-4 3033 Riverside Painted Canyon, Colorado Desert. 30 Comment
  RSA405291  Caesalpinia virgata Anstruther Davidson 1903-5-3 s.n Riverside Thermal. Comment
  RSA498389  Caesalpinia virgata T. W. Minthorn 1926-5-13 s.n Riverside East of Banning Comment
  UCR25957  Caesalpinia virgata John C. Roos 1947-3-15 3353 Riverside Sonoran (Colorado) Desert, Santa Rosa Mountains, mouth of Deep Canyon at foot of mtns. 366 Comment
  SD229035  Calocedrus decurrens Dick Schwenkmeyer 2012-6-27 750 Riverside Strawberry Creek, 1/4 mile northwest of Humber Park, Idyllwild. 1914 Comment
  UCR16610  Calochortus splendens Joe Buriel 1966-4-6 s.n. Riverside 0.5 mi. west of Lake Mathews on Cajalco Road 457 Comment
  RSA652923  Calycadenia tenella A. C. Sanders 1997-5-1 20624 Riverside Along horse trail in southern part of Lake Skinner Park, west of Tucalota Hills and east of Warren Rd. 488 Comment
  JEPS29288  Calycoseris parryi Rimo Bacigalupi, L. Heckard, and P. Hutchinson 1962-3-23 8360 Riverside 1.9 mi sw of San Bernardino County line (lower end of Morongo Wash); Morongo Wash 609 Comment
  UCR80032  Calycoseris parryi Theo Glenn 1991-5-2 91- 13 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  SEINET214666  Calyptridium monandrum N. H. Holmgren, PK Holmgren; R. E. Kern 1973-3-23 6483 Riverside At S entrance to Joshua Tree Nat'l Monument near Interstate 10 24 mi E of Indio 549 Comment
  SJSU1865  Calyptridium monandrum J. W. Tilden 1957-4-18 1095 Riverside near Whitewater, E of San Gorgonio Pass Comment
  UCR116785  Calyptridium monandrum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24163 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
  SDSU17434  Calyptridium monospermum C. Matt Guilliams, Michael and Lori Simpson, Mike Silveira 2007-6-26 378 A Riverside San Jacinto Wilderness State Park, Round Valley Campsite. Ca. 50 meters east of stone buildings near trail junction, along west edge of Round Valley. 2755 Comment
  UCR21973  Calystegia macrostegia Steve Boyd 1980-5-5 199 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  RSA522771  Camissonia bistorta Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3878 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
  UCR50880  Camissonia boothii A. C. Sanders 1988-5-11 7801 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal, east of the gasline road from Niland 549 Comment
  RSA9345  Camissonia boothii subsp. condensata Mary F. Spencer 1920-4-3 1445 Riverside Colorado Desert, Palm Springs, in desert sand. 122 Comment
  UCR103312  Camissonia brevipes subsp. brevipes George K. Helmkamp 1998-4-4 3159 Riverside Sonoran (Colorado) Desert, 7.1 miles north of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station 305 Comment
  POM3084  Camissonia californica J. S. Clease 1927-4-16 s.n. Riverside Colorado Desert, Palm Springs. Comment
  RSA134517  Camissonia californica Harlan Lewis 1957-4-5 s.n. Riverside Colorado Desert, Morongo Canyon. Comment
  POM3227  Camissonia cardiophylla I. M. Johnston 1917-4-4 1083 Riverside Colorado Desert: Palm Canyon. 305 Comment
  RSA793460  Camissonia cardiophylla Duncan S. Bell, John Anderson, Keir Morse 2012-11-11 4374 Riverside Mecca Hills: upper branch of Hidden Spring Canyon, approximately 0.6 air mile southeast of Hidden Spring and 0.6 air mile south of The Grotto. 250 Comment
  RSA567651  Camissonia chamaenerioides A. C. Sanders, E. J. Lawlor 1992-4-4 12100 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  UCR104013  Camissonia claviformis George K. Helmkamp 1998-4-4 3136 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  UCR233702  Camissonia claviformis Duncan S. Bell 2010-5-1 889 Riverside Sonoran (Colorado) Desert, Arica Mountains, c. 10.5 air miles SW of Rice, c. 2.6 air miles S of the junction of Hwy 62 and the aqueduct access road 291 Comment
  RSA135303  Camissonia claviformis subsp. aurantiaca Peter H. Raven 1958-2-16 11623 Riverside 4.3 miles south of Rice. Comment
  RSA278492  Camissonia claviformis subsp. aurantiaca John F. Emmel 1977-3-28 554 Riverside Large wash just NW of Sand Draw Siphon, ca. 10 air miles W. of Rice, SE Mojave Desert. 274 Comment
  RSA448932  Camissonia claviformis subsp. aurantiaca G. R. Johnstone 1930-4-13 s.n. Riverside 1000 Palms Colorado Desert. Comment
  POM20021  Camissonia confusa Mary F. Spencer 1923-06 2202 Riverside Idyllwild, San Jacinto Mt. 2561 Comment
  RSA700249  Camissonia confusa M. Wall, Sean Wall 2003-4-6 3099 Riverside San Jacinto Valley, vacant lot off Ramona Expressway at Donna Ave. adjacent to Soboba Health Clinic. Property for sale for commercial development. 506 Comment
  RSA628479  Camissonia hirtella A. C. Sanders 1994-5-30 14594 Riverside Foothills NNE of Beaumont. 945 Comment
  UCR171986  Camissonia ignota John F. Green 2006-4-18 s.n. Riverside NE of Murrieta, just south of Los Alamos Rd. ('Clinton Keith Rd.'), on E and W sides of Liberty Rd. border between City of Murrieta and unincorporated French Valley 415 Comment
  POM13246  Camissonia intermedia P. A. Munz, I. M. Johnston 1922-5-19 5354 Riverside 5 miles NE of Murietta. 457 Comment
  SEINET3093305 Image available Camissonia pallida George K. Helmkamp 1986-4-7 756 Riverside Vicinity of Big Morongo Valley; just E of and parallel to Hwy 62, above Indian Ave. 579 Comment
  JOTR28956  Camissonia pallida subsp. pallida La Doux, Tasha 2005-3-30 1192 Riverside Joshua Tree National Park. Hexie Mtns/Pinto Basin; next to Fried Liver Wash 544 Comment
  UCR130119  Camissonia refracta Scott D. White 2001-4-3 8242 Riverside Sonoran (Colorado) Desert, Shavers Valley, near the I-10 Freeway, c. 15 miles east of Indio junction of I-10 and Calif. SR 111, adjacent to powerline access roads at unnamed freeway exit accessing pump station 473 Comment
  UC1929982  Camissonia strigulosa Scott D. White, Justin Wood 2008-5-15 11974 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. Comment
  UC354497  Camissonia strigulosa Edmund C. Jaeger 1925-5-10 Riverside Van de Venter's Flat Santa Rosa Mountains 1280 Comment
  UCR59526  Camissonia strigulosa Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3604 Riverside Butterfield Valley, Vail Lake area, Kolb Creek drainage, N extension of Woodchuck Road, north of Hwy 79 489 Comment
  UCR265601  Camissoniopsis Jordan Zylstra 2014-3-18 14001 Riverside San Jacinto Mountains, Apple Canyon, west of Apple Canyon Road 1453 Comment
  SDSU3337  Camissoniopsis bistorta H. Wedberg 1959-5-3 409 Riverside At Dripping Springs Campground, on Hwy 71 between Radec and Temecula. Comment
  UC635401  Camissoniopsis pallida subsp. pallida H. L. Mason 1928-3-10 4234 Riverside near Indio Comment
  RSA633885  Carex fracta Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38118 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  CAS-BOT-BC20949  Carex heteroneura M. E. Jones 1933-9-1 s.n. Riverside San Jacinto Mountains. Comment
  UC537214  Carex heteroneura M. E. Jones Sep 1933 Riverside San Jacinto Mts. Comment
  OBI35042  Carex praegracilis A. C. Sanders & Steve. D. Boyd, Steve. D. Boyd 1980-5-19 1500 Riverside San Jacinto Mts, Garner Valley. W of Kenworthy Ranger Sta 1372 Comment
  RSA180456  Carex praegracilis E. W. Lathrop 1960-6-7 4896 Riverside 14 miles west of Murrieta, Redonda Mesa. Comment
  UCR29124  Carex praegracilis A. C. Sanders, S. D. Boyd 1980-5-19 1500 Riverside San Jacinto Mtns, Garner Valley. Meadow west of Kenworthy Ranger Station. 1375 Comment
  CAS-BOT-BC117866  Carex sartwelliana C. Epling; Wm. Robison 1935-6-30 s.n. Riverside N. Fork San Jacinto River. Comment
  CAS-BOT-BC117448  Carex senta Mary Evelyn [nee Fisk] Spencer 1919-7-6 1263 Riverside Jaquito Meadow. 2377 Comment
  RSA249867  Carex subfusca Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38154 Riverside San Bernardino National Forest, San Jacinto Mountains: Lake Fulmor. 1677 Comment
  UCR265614  Carya illinoinensis Ling-Hsuan Kung 2011-5-31 030 Riverside Riverside, Santa Ana River Regional Park 224 Comment
  JEPS57286  Castilleja affinis subsp. affinis L. R. Heckard and R. C. Bacigalupi 1968-5-5 1808 Riverside 1.3 mi e Dripping Springs Campground (w of Radec) 457 Comment
  JEPS26101  Castilleja angustifolia Peter H. Raven 1958-5-5 12893 Riverside Split Rock Joshua Tree National Monument Comment
  POM307284  Castilleja applegatei subsp. martinii Henry J. Ramsey, Henry J. Ramsey 1937-5-30 s.n. Riverside Santa Rosa Mountains. Comment
  RSA0010928  Castilleja exserta subsp. exserta N. C. Cooper 1944-3-25 1000 Riverside Cabazon. 457 Comment
  POM296925  Castilleja foliolosa Lyman D. Benson 1946-4-15 12038 Riverside Canyon on Twenty-nine Palms Road from Whitewater. 457 Comment
  UC1979664  Castilleja foliolosa Darin L. Banks, Steve Boyd 1995-3-15 73 Riverside NW Palomar Mtns., Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. Comment
  UCR133394  Castilleja minor subsp. spiralis Tracy Tennant, T. B. Salvato 1998-6-23 MOR 475 Riverside San Bernardino Mtns., Morongo Indian Reservation, N end of Hathaway Cyn., c. 0.4 miles east of pk 4265 (polygon 13) 1341 Comment
  SDSU17676  Castilleja subinclusa subsp. subinclusa Jerry Jenkins 2001-4-1 2001 -025 Riverside Santa Margarita Ecological Reserve. Side road going south from mine road, UTM zone 6, 482550E, 3699900N. Comment
  UCD166236  Caulanthus Jack Major 1962-4-16 774 -b Riverside Along California Hwy 74, below Pinyon Flat toward Palm Desert. (Exact location unknown. Coordinates estimated by label maker.) 1220 Comment
  CLARK-A1045-124  Caulanthus cooperi George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep Canyon; Palm Desert 15'Q Comment
  UCR44203  Caulanthus hallii A. C. Sanders 1986-6-1 6555 Riverside San Jacinto Mtns., trail to Spitler Peak from the Herkey Creek Camp to Bonita Vista road [=Apple Canyon Rd.] 1829 Comment
  RSA746820  Caulanthus heterophyllus Michael Honer 2003-4-16 1832 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
  SD167181  Caulanthus heterophyllus S. J. Myers, John Green 2003-4-4 Riverside Powerline trail west of Juan Diego Flats toward Reed Valley, northwest of Cahuilla Mountain. 1220 Comment
  UCR89848  Caulanthus heterophyllus Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3313 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
  SEINET5342473  Caulanthus lasiophyllus N. H. Holmgren, Patricia Kern Holmgren; Ruth E. Kern 1973-3-21 6427 Riverside Big Maria Mountains, 12 airline miles north of downtown Blythe. 290 Comment
  UCR77744  Caulanthus simulans Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6023 Riverside Vail Lake, SW and W flanks of Billy Goat Mtn. 3 mi north of Hwy 79, 1 mi west of Hwy 371, north of Aguanga 880 Comment
  RSA0028170  Ceanothus John F. Emmel 1988-4-27 1086 Riverside Bautista Canyon road, 0.75 road mile northwest of turnoff to Tripp Flats. 1120 Comment
  RSA398820  Ceanothus cordulatus Bonnie C. Templeton 1953-7-26 s.n. Riverside Idyllwild. 1646 Comment
  CDA1657  Ceanothus crassifolius Mike Lahti 2007-5-31 PDR# 1361019 Riverside Murrieta; 26550 Pabesu Rd. Jo-Dan Farms Nursery. Comment
  RSA160403  Ceanothus crassifolius J. D. Olmsted 1959-4-17 409 Riverside At edge of main knobcone pine grove on NE ridge of Sugarloaf Pk. along Main Divide T.T. ssw of Corona. 1159 Comment
  UCD111427  Ceanothus crassifolius Frank W. Gould 1944-4-4 2216 Riverside 10 miles southeast of Temecula on Highway 71. 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
  SBBG119525  Ceanothus crassifolius var. crassifolius A. C. Sanders 2004-2-6 27387 Riverside foothills at edge of Temescal Valley, ridge S of Brown Cyn 442 Comment
  RSA575069  Ceanothus cuneatus Steve Boyd 1981-3-4 810304 -n 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
  UC1070672  Ceanothus greggii R. St. John 1929-2-28 9 Riverside 2 mi e Indian Creek; San Jacinto quad., San Bernardino National Forest 1219 Comment
  RSA263736  Ceanothus integerrimus var. puberulus E. W. Lathrop 1968-5-22 6919 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak. Cleveland National Forest 1220 Comment
  UCD162843  Ceanothus leucodermis D. O. Burge 2015-3-17 1693 Riverside Rainbow area. 410 Comment
  UCR13726  Ceanothus leucodermis R. S. Woglum 1941-6-12 3053 Ab Riverside San Jacinto Mtns., Idyllwild 1524 Comment
  RSA0019596  Ceanothus leucodermis P. A. Munz, I. M. Johnston 1922-5-19 5401 Riverside Mountain side, at mouth of Strawberry Canyon. 1128 Comment
  RSA0019598  Ceanothus leucodermis Henry J. Ramsey, Henry J. Ramsey 1937-5-30 339 Riverside Palms to Pines Highway. Comment
  RSA6035  Ceanothus palmeri Carl B. Wolf 1932-8-4 3920 Riverside San Jacinto Mountains: Point View near Idyllwild 1646 Comment
  RSA761894  Ceanothus palmeri Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 707 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA160406  Ceanothus papillosus var. roweanus J. D. Olmsted 1959-4-17 413 Riverside At edge of main knobcone pine grove on NE ridge of Sugarloaf Pk. along Main Divide T.T. ssw of Corona. 1159 Comment
  UCR268311  Ceanothus perplexans Jim Andre 2012-6-15 30497 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243 at Mount Edna Road, c. 1 mile north of McMullen Flat, 5.9 miles south of Hwy I-10 at Banning 1172 Comment
  UC217954  Ceanothus tomentosus P. A. Munz 1922-4-30 5131 Riverside St. John's Grade, south of Hemet. Comment
  UCR114753  Ceanothus tomentosus Scott D. White, D. E. Bramlet 1999-4-22 7234 Riverside Lake Skinner area, Ridgetop, north, west, and northwest facing slopes of Bachelor Mtn. 762 Comment
  RSA6118  Celtis reticulata Carl B. Wolf 1932-5-25 3686 Riverside Small Canyon on Gilman Ranch in foothills north of Banning 854 Comment
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Mar 13 2011
  CDA1881  Cenchrus ciliaris D. Halsey 1978-2-1 s.n. Riverside Kapra Ranch, Indio. 0 Comment
  CDA7289  Centaurea X pouzinii F. J. Willmarth 1961-10-18 Riverside Old Fuller Rancho, near Corona. 0 Comment
  RSA564293  Centaurium venustum Ed LaRue 1993-5-10 s.n. Riverside Murrieta Oaks, 3 miles (airline) NW of Murrieta Hot Springs, W side of Hwy 215 457 Comment
  RSA587576  Centaurium venustum D. L. Banks, Steve D. Boyd 1995-6-2 575 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, in the clay grasslands in S32, W of the Dripping Springs Alcove Area. 890 Comment
  RSA735072  Centaurium venustum Scott D. White, Angelia Carey 2004-6-4 10477 -A Riverside San Jacinto Mountain foothills: San Jacinto River wash and adjacent alluv. benches, near Indian Creek confluence. 503 Comment
  UC566918  Centaurium venustum H. L. Mason 1926-4-30 3126 Riverside Pala Grade Temescal Canyon Comment
  CAS-BOT-BC288826  Centromadia parryi subsp. australis James I. McMurphy 1916-8-13 s.n. Riverside Temecula Comment
  JEPS106970  Centromadia pungens subsp. laevis Jasmine Watts 2005-7-19 7 Riverside Hemet, N of CA-74 and W of Warren Road Comment
  RSA767268  Centromadia pungens subsp. laevis Scott D. White 2009-8-10 13351 Riverside Temescal Valley: City of Temecula, West bank of Murrieta Creek, from Rancho Califonria Rd to Cherry St. 306 Comment
  UCR253358  Centromadia pungens subsp. laevis Ana Hernandez, Karyn L. Drennen 2013-5-7 045 Riverside Perris Aguanga Basin, Salt Creek, 75 meters south of Olive Avenue, 50 meters east of Rice Road 438 Comment
  UC1329991  Centrostegia thurberi var. thurberi James E. Cole 1941-5-29 816 Riverside Joshua Tree National Monument, Stubby Spring Road Joshua Tree National Monument; , Stubby Spring Road 1432 Comment
  RSA673547  Cerastium glomeratum Scott D. White, Tasha La Doux 2000-4-20 7705 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  UCR177831  Cerastium glomeratum 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 1128 Comment
  UCR241395  Cerastium glomeratum T. B. Salvato 2013-3-22 7393 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), on Los Alamos Rd at its crossing of Warm Springs Creek 402 Comment
  RSA123213  Cercidium floridum H. S. Yates 1936-4-8 5453 Riverside Near Fish Springs 61 Comment
  UC68641  Cercidium floridum subsp. floridum H. M. Hall Apr. 1905 5784 Riverside 10 mi w Coachella; Colorado Desert 121 Comment
  CLARK-A1528-807  Cercocarpus betuloides R. Stoltz 1969-4-12 21 Riverside Badlands 731 Comment
  RSA552488  Cercocarpus minutiflorus Steve D. Boyd, Tim S. Ross 1992-2-21 6669 Riverside Southern Santa Ana Mountains, San Mateo Cyn Wilderness Area. Potrero de la Cienega area along Morgan Trail from Morrell Canyon south 701 Comment
  UCR26631  Cercocarpus minutiflorus E. W. Lathrop 1966-3-20 6071 Riverside Cleveland National Forest, 10 mi west of Murrieta on the Tenaja Truck Trail between Tenaja Guard Station and DeLuz, Trabuco District 652 Comment
  RSA487428  Chaenactis artemisiifolia Steve Myers 1988-5-17 s.n. Riverside Santa Rosa Plateau area W of Murrieta, Via Majorca .25 mi. N of the intersection with Avenida Arboles. Comment
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Dec 21 2010
  SBBG35173  Chaenactis artemisiifolia V. Moran 2003-3-12 Riverside Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Rd and W of Wilson Crk 854 Comment
  SD130353  Chaenactis artemisiifolia Ed LaRue 1990-4-13 Riverside I(c) mile northwest of Aguanga, north of Highway 79 and west of Highway 371; 1I(c) miles north of SanDiego County line. 640 Comment
  UCR213535  Chaenactis artemisiifolia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37805 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, under powerlines near dirt extension of Lake St., 1.1 mi. NW (356 deg. ) of intersection of I-15 and Lake St. 549 Comment
  UCR245952  Chaenactis carphoclinia Duncan S. Bell 2009-3-7 13 Riverside Arica Mountains, east side of range, c. 1.7 miles west of Priest Well 431 Comment
  SD258872  Chaenactis carphoclinia var. carphoclinia Sarah J. De Groot, Cheryl Sevilla 2016-3-16 7643 Riverside Mecca Hills; Hills around Shaver's Well, along Box canyon Road; S edge of Shaver's Valley, E-NE of Mecca 294 Comment
  UC894417  Chaenactis carphoclinia var. carphoclinia C. L. Hitchcock 1941-4-4 5948 a Riverside Pinto Basin Comment
  CAS-BOT-BC276934  Chaenactis fremontii R. F. Hoover 1969-4-11 11211 Riverside Mouth of Morongo Valley Canyon Comment
  CLARK-A1656-634  Chaenactis fremontii Lois Ann Scott 1978-5-4 Riverside Palm Springs 144 Comment
  RSA0117925  Chaenactis fremontii Sarah J. J. De Groot, Cheryl Sevilla 2016-3-15 7637 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. 1217 Comment
  RSA145913  Chaenactis fremontii William McKinley Klein 1958-2-11 33 Riverside 2.6 mi. east of Cabazon on hwy. 70-99 545 Comment
  SD215393  Chaenactis fremontii W. Wisura, A. King and L. Newcomb 1992-4-10 4664 Riverside Low Desert: Missin Creek west of Highway 62 below Morongo Valley Comment
  UCR133955  Chaenactis fremontii Mitch Provance, J. S. Ross 1998-3-27 MOR- 960 Riverside San Bernardino Mtns., Morongo Indian Reservation, road 5501 towards Millard Canyon, just south of the juction with the NE bound road to Deep Cyn. 671 Comment
  UCR234802  Chaenactis fremontii Jim Andre, Glenn L. Clifton 2011-2-22 17475 Riverside Coachella Valley, North Palm Springs c. 0.3 mi north of Hwy 111, at corner of San Rafael and Virginia Street 189 Comment
  SEINET7073434  Chaenactis glabriuscula A. G. Vestal 1963-4-25 s.n. Riverside About 6.8 miles south of Sage on Route 3. Coordinate datum: NAD27. Comment
  UCR187494  Chaenactis glabriuscula Theresa Johnson 2006-5-22 118 Riverside Peninsular Range, southern Durasno Valley, Silverado site, 5 miles SSW of Anza 1311 Comment
  UCSB6428  Chaenactis glabriuscula Sager, Ginny 1960-5-1 Riverside San Jacinto Mtns between Banning and Idyllwild 1219 Comment
  CAS-BOT-BC277401  Chaenactis glabriuscula var. glabriuscula H. M. Hall 1901-6-1 2056 Riverside San Jacinto Mountains. In the vicinity of Chalk Hill 1524 Comment
  CAS-BOT-BC277402  Chaenactis glabriuscula var. glabriuscula Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  JEPS34204  Chaenactis glabriuscula var. glabriuscula W. L. Jepson 1939-4-17 19138 Riverside near Twin Springs (n end of Temescal Canyon); Temescal Canyon 274 Comment
  OBI23668  Chaenactis glabriuscula var. glabriuscula David J. Keil, Malcolm Mcleod 1977-3-26 12004 Riverside 0.2 mi NW of Prado Dam on Calif 71 183 Comment
  RSA528099  Chaenactis glabriuscula var. glabriuscula Steve Myers 1991-4-1 91 -27 Riverside City of Banning, W of Fields Road, N of Interstate 10 & S of the Morongo Indin Reservation 671 Comment
  UC1537042  Chaenactis glabriuscula var. glabriuscula Gordon H. True Jr. 1935-5-15 112 Riverside Box Springs 34 Comment
  CAS-BOT-BC277549  Chaenactis glabriuscula var. lanosa G. D. Hanna; M. M. Hanna 1958-2-16 s.n. Riverside Cabazon Comment
  CSUSB1491  Chaenactis glabriuscula var. lanosa Rita Gibbons 1975-6-5 S. N. Riverside Reche Canyon Rd., 4 miles from Barton Rd. Comment
  RSA741203  Chaenactis glabriuscula var. lanosa Scott D. White, Justin M. Wood 2008-5-15 11965 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. 1357 Comment
  RSA695676  Chaenactis stevioides J. Russell Bruff 1928-4-3 179 Riverside 13 miles W of Desert Center. Comment
  VVC2109  Chamaesyce abramsiana Tim Thomas 2012-8-23 5874 Riverside Colorado Desert, WNW of Blythe on east side of McCoy Mtns, 5 miles north of I-10 168 Comment
  RSA444789  Chamaesyce polycarpa J. C. Roos 1965-6-23 s.n. Riverside Cactus City, on I 10, 25 miles east of Indio. Comment
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May 21 2011
  SJSU4459  Chamaesyce polycarpa G. B. Youngberg 1956-3-27 179 Riverside hills near La Sierra College, Arlington 300 Comment
  UC1007177  Chamaesyce polycarpa Philip A. Munz 1940-3-23 15672 Riverside Dale rd to Cottonwood Springs south base of Pinto Mtns 609 Comment
  UC1547000  Chamaesyce polycarpa Leila M. Shultz and John S. Shultz 1985-4-17 8316 Riverside southern extension of the Big Maria Mtns Comment
  POM259463  Chamaesyce polycarpa var. hirtella E. C. Jaeger 1939-12-29 s.n. Riverside Eytel canon [canyon]branching from Fargo Canon [canyon] 5 mi. east Indio. 244 Comment
  RSA433504A  Chamaesyce polycarpa var. hirtella Ora M. Clark 1929-2-23 1559 Riverside North of Whitewater Comment
  RSA770640  Chamaesyce polycarpa var. hirtella R. F. Thorne 1966-10-15 41778 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  RSA0039850  Chamaesyce setiloba Duncan S. Bell, Evan Meyer 2014-4-2 6502 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  CAS-BOT-BC70037  Cheilanthes covillei Frank W. Peirson 1922-4-10 s.n. Riverside Murray Canyon, Palm Springs Region 457 Comment
  SEINET6744643  Cheilanthes intertexta G. R. Vasey 1881-1 Riverside Whitewater Comment
  CAS-BOT-BC70296  Cheilanthes newberryi I. M. Johnston 1920-5-8 2265 Riverside Box Springs Grade Comment
  UCR281108  Cheilanthes newberryi Mitch Provance, Jeremiah George 2017-3-21 317- 14 Riverside Temescal Valley, N of Hwy 15, and adjacent to S side of Temescal Canyon Rd., above Horsethief Wash (E branch impeded by development) 370 Comment
  UCR91550  Cheilanthes parryi A. C. Sanders, C. L. Sanders, L. Lubinsky, A. Knapp, P. J. MacKay 1995-2-12 15925 Riverside Sonoran (Colorado) Desert, Coachella Valley, mouth of East Double Canyon, Little San Bernardino Mtns, 1.4 mi above Aqueduct Rd. 581 Comment
  UCR139988  Chenopodium berlandieri A. C. Sanders 2004-8-10 28764 Riverside Perris-Aguanga Region, 3 miles ENE of Perris, new nursery growing grounds west of Menifee Rd. (=Pozos Av.) & south of Nuevo Rd., between San Jacinto River and Nuevo 433 Comment
  UCR92249  Chenopodium botrys Scott D. White 1995-8-23 3565 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  RSA605756  Chenopodium californicum Scott D. White 1996-3-23 3845 Riverside Santa Rosa Hills, SE of Hemet (Loomis property: ''Friendly Hills Ranch''). 595 Comment
  UCR154444  Chenopodium californicum A. C. Sanders, Mike Misenhelter 2005-6-15 30976 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
  UCR92317  Chenopodium californicum Scott D. White 1994-3-29 1931 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  UCR20896  Chenopodium fremontii A. C. Sanders 1978-8-27 00281 Riverside San Jacinto Mountains, James Reserve, above Lake Fulmor 1646 Comment
  UCR58165  Chenopodium fremontii George K. Helmkamp 1989-10-7 s.n. Riverside Peninsular Range; San Jacinto Mtns, roadside beside Hwy 243 near Lawlor Lodge, c. 2 mi north of Pine Cove 1600 Comment
  UCD98200  Chenopodium glaucum var. salinum A. C. Sanders 2001-11-25 24888 Riverside Moreno Valley, Hope Depot at Pigeon Pass Rd. on north side of Hwy 60. Comment
  SD227793  Chenopodium murale Scott D. White, Pam Devries 1998-2-9 6081 Riverside La Quinta/ Palm Desert Area: Whitewater River Channel at and near Miles Ave. crossing 17 Comment
  UCR100216  Chenopodium murale Scott D. White 1996-12-26 4641 Riverside Perris Basin, Perris area 442 Comment
  UCR102926  Chenopodium murale George K. Helmkamp, E. A. Helmkamp 1998-2-5 2685 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 Comment
  UCD169562  Chenopodium pratericola A. C. Sanders 2008-7-25 35907 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, along Bonita Vista Rd. at foot of hills. 1580 Comment
  CSUSB733  Chilopsis linearis Lalo Codova 1972-7-25 S. N. Riverside Palm Springs 76 Comment
  RSA793476  Chilopsis linearis Duncan S. Bell, Aaron Sedgwick 2012-9-13 4208 Riverside The Mecca Hills; along what was left of Box Canyon Road after having been buried by a flash flood from a large summer storm, approximately 5 air miles northeast of the junction of Box Canyon Road and the Coachella Canal., Or approximately 1.25 air miles southwest of Shavers Well. 240 Comment
  UCR19191  Chloracantha spinosa John C. Roos 1965-7-5 s.n. Riverside Sonoran (Colorado) Desert, Blythe 75 Comment
  UCR113856  Chloris virgata Mitch Provance 2000-6-24 2038 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  RSA777390  Chorizanthe brevicornu Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 794 Riverside Mecca Hills, just south of Shaver's Well. 305 Comment
  UCR116844  Chorizanthe brevicornu Helen Kennedy, Fred R. Ganders 1980-4-15 4060 Riverside Sonoran (Colorado) Desert, along [Box Canyon] road between Mecca and Hwy. 10 300 Comment
  UCR167413  Chorizanthe brevicornu John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, WNW of Rancho Dos Palmas between Coachella Canal siphons 29 and 30 24 Comment
  UCR13297  Chorizanthe corrugata O. F. Clarke 1973-4-1 s.n. Riverside Sonoran (Colorado) Desert, Plateau above Box Canyon, along State Hwy 195, c. midway between Hwy I-10 and the Salton Sea Comment
  SBBG89136  Chorizanthe fimbriata L. F. LaPre 1988-6-2 Riverside Indian Truck Trail S end of wash which crosses unser de Palma Rd ( frontage rd to Interstate-15) near Glen Eden Resort 365 Comment
  UCR35078  Chorizanthe leptoceras L. B. Ziegler 1967-6-14 158 Riverside San Jacinto Mtns., Bautista Creek Canyon 732 Comment
  UCR217643  Chorizanthe leptotheca Jeff B. Galvin 2010-6-7 131 Riverside San Jacinto Mountains, Ridge south of Hamilton Creek along low use dirt road. Near top of southern slopes 1356 Comment
  UCD99807  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, ca. 1/4 mi. N of Newport Rd. and 3/4 mi. E of State St. 506 Comment
  RSA339658  Chorizanthe parryi var. parryi Robert F. Thorne, Tilforth 1980-5-28 54226 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  UCR189793  Chorizanthe parryi var. parryi Andrea Salzman 2006-5-30 136 a Riverside Peninsular Range; Perris Aguanga Basin, Lake Skinner, north of stage road 490 Comment
  RSA588985  Chorizanthe polygonoides var. longispina D. E. Bramlet 1995-4-25 2395 Riverside Shipley reserve/SE corner of Lake Skinner Co. Park. Site is saddle overlooking Upper Part of Long Canyon. approximpatly 488m. SE of the park entrance road and adjacent (N.) of the equestrian trail. 526 Comment
  SD181399  Chorizanthe polygonoides var. longispina Steve Boyd 2001-4-12 10407 Riverside Santa Ana Mountains Gavilan Hills Region: Temescal Canyon, terrace escarpment just south of DePalma Road between Indian Wash and Horsethief Wash Comment
  UCR251300  Chorizanthe polygonoides var. longispina T. B. Salvato, Mike Landers 2013-3-21 7414 Riverside Perris-Aguanga Basin, Murrieta, at the northwest corner of the intersection of Baxter Road and Menifee Road 453 Comment
  RSA150980  Chorizanthe procumbens Clare B. Hardham 1962-4-6 8949 Riverside 395 Intersection, Rd to Rainbow near Temecula Canyon Comment
  RSA16359  Chorizanthe procumbens Percy C. Everett 1935-6-18 7173 Riverside Santa Ana Mountains, San Juan Canyon, near Ortega Highway on road [North Main Divide Road] to Santiago Pk. 701 Comment
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Dec 29 2009
  JEPS57733  Chorizanthe rigida E. E. Schellenger May 1928 Riverside e Mecca (Hayfields, Colorado Desert); Colorado Desert, Hayfields, e of Mecca Comment
  RSA777391  Chorizanthe rigida Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 793 Riverside Mecca Hills, just south of Shaver's Well. 305 Comment
  CAS-BOT-BC246331  Chorizanthe spinosa J. Von Loh 1978-7-11 60375 A Riverside Edward's Air Force Base 762 Comment
  CAS-BOT-BC246332  Chorizanthe spinosa J. Von Loh 1978-7-11 60375 A Riverside Edwards Air Force Base. 762 Comment
  CLARK-A1528-187  Chrysopsis villosa var. echioides C. M. Flanagan 1973-6-13 OO 701 Riverside Morongo Indian Reservation 975 Comment
  UCR89704  Chrysothamnus paniculatus J. M. Stewart 1990-10-28 672 Riverside Sonoran Desert. Colorado Desert, Eagle Mountains Comment
  UCD103735  Chylismia brevipes William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  SD44540  Chylismia claviformis subsp. aurantiaca J. B. Marks Jul 1948 Riverside Roadside above Banning. 1067 Comment
  UC1184378  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-3-1 11750 Riverside along US Hwy 95 16.1 mi n Blythe Comment
  UC68523  Chylismia claviformis subsp. aurantiaca H. M. Hall Apr. 1905 5805 Riverside 10 mi w Coachella; Colorado Desert 91 Comment
  UC708731  Chylismia claviformis subsp. aurantiaca H. K. Wagnon 1944-4-2 381 Riverside along fence w cold storage plant; Palm Springs, Torney General Hospital Comment
  UC1602279  Chylismia claviformis subsp. peirsonii T. S. Brandegee Apr. 1901 Riverside Colorado Desert Comment
  UCR3249  Cirsium occidentale var. californicum Bob Brownell 1964-5-15 s.n. Riverside 4.5 mi from Washington Avenue, Colton, up Reche Canyon Rd 366 Comment
  RSA502517  Cirsium occidentale var. occidentale Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3574 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  POM320357  Cirsium scariosum Worthman 1968-5-16 180 Riverside 17.3 miles west of Murrieta 671 Comment
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Jun 16 2013
  CAS-BOT-BC285737  Cirsium vulgare Scott D. White 1996-9-22 4537 Riverside Perris Basin, W Riverside Co. Perris: Nuevo Road near intersect. w/ Wilson Ave., W of the San Jacinto Riv crossing 435 Comment
  CAS-BOT-BC438665  Cistanthe ambigua Aven Nelson; Ruth Nelson 1939-3-29 3326 Riverside Near the Palm grove, at Hidden Springs, on the Mecca road Comment
  UC373504  Clarkia bottae C. L. Hitchcock 1928-5-20 57 Riverside 8 mi w Prado; Santa Ana Canyon 400 Comment
  SD247464  Clarkia dudleyana Kate Kramer 2012-5-25 262 Riverside Along Highway 243: between Mt. Edna Road and Vista Grande fire station. 1387 Comment
  UCR165832  Clarkia dudleyana T. B. Salvato, John F. Green 2004-5-27 638 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
  CSUSB234  Clarkia purpurea subsp. quadrivulnera Leland R. Dykes 1962-4-22 41 Riverside Along state highway 71, 7 miles south of Corona Comment
  SD217337  Clarkia unguiculata Darin L. Banks, Elizabeth Hedge Banks 1996-5-2 961 Riverside Agua Tibia Mountains: Northwest foothills of Dorland Mountains; South end of Los Caballos Road, University of California-Emerson Oaks Reserve, approximately 20 meters inside the preserve boundary gate. 3 meters East of the main road along an open field. 448 Comment
  RSA0013703  Claytonia LeRoy Gross, Grace Cho 2013-4-9 5999 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  CHSC109027  Claytonia parviflora Duncan S. Bell; Joy England 2010-5-17 1003 Riverside insular ranges; San Jacino Mountains regions: San Bernardino National Forest: Rouse rrdge, approximately 3 air miles southeast of junction of Highway 74 and forest service road 5S15. Field surveys for potentail habitat for the endangered Quino Checkerspot butterfly. 1045 Comment
  RSA769770  Claytonia parviflora Duncan S. Bell, J. D. England 2010-5-17 1003 Riverside San Bernardino National Forest: Rouse Ridge, approximately 3 air miles southeast of junction of Highway 74 and forest service road 5S15. 1045 Comment
  RSA65731  Claytonia parviflora subsp. tenuifolia E. C. Jaeger 1921-6-21 5440 Riverside Idyllwild. Comment
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Nov 5 2011
  UCR214129  Claytonia perfoliata A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37743 A Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, north of I-15 and Concordia Ranch Rd., 1.65 mi. ESE of Corona (Lee) Lake, 0.5 mi. NE (25 deg. ) of Temescal Canyon Rd. where it goes under I-15 438 Comment
  SDSU18368  Claytonia perfoliata subsp. mexicana C. Matt Guilliams 2008-2-27 479 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 405 Comment
  UCR154608  Clematis lasiantha A. C. Sanders, Mike Misenhelter 2005-6-15 31002 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
  RSA0125187  Clematis pauciflora Duncan S. Bell 2016-3-3 8770 Riverside Whitewater Canyon; San Gorgonio Wilderness area; Rainbow Canyon, approximately 3 air miles east northeast of Kitching Peak. 934 Comment
  UCR120194  Clematis pauciflora Mitch Provance 1998-3-7 146 Riverside Jurupa Mountains, 'Rattlesnake Mt.', c. 0.5 km east of corner of Rorimer Dr. and Brenton St., on the E side of Armstrong Rd., in the Sunnyside area of Riverside. 366 Comment
  UCR213349  Clematis pauciflora Justin M. Wood 2009-3-10 343 Riverside San Jacinto Mountains, Hwy 243, near base of the mountains, 0.5 mi up the hwy from Smith Creek Bridge 774 Comment
  RSA440813  Cleome isomeris T. S. Clare 1931-01 s.n. Riverside Colorado Desert. Comment
  RSA440816  Cleome isomeris N. C. Cooper 1944-4-23 1117 Riverside Cabazon 457 Comment
  RSA507955  Collinsia childii Steve D. Boyd, C. Boyd, K. Boyd, R. Noyes, L. Arnseth 1988-5-28 2273 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest. 1500 Comment
  JEPS6385  Collinsia concolor Rimo Bacigalupi and Gene Newcomb 1954-4-25 4401 Riverside 0.75 mi s of Sage (close to summit of St. John's Grade, along Cal. State Hwy 79, 9 1/2 mi n of junction w Cal. State Hwy 71); State Hwy 79 731 Comment
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Jul 8 2009
  RSA597803  Collinsia concolor Scott D. White 1996-3-31 3861 Riverside Elsinore Basin Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 439 Comment
  POM122479  Collomia grandiflora Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  JOTR36484  Colubrina californica La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3424 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; narrow north fork of large canyon w/ cobbley wash and steep rocky walls (Stop 2) 338 Comment
  RSA564037  Colubrina californica A. C. Sanders 1992-4-4 12112 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  UCR75070  Colubrina californica A. C. Sanders, E. J. Lawlor 1992-4-4 12112 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UCR281924  Condalia globosa var. pubescens A. C. Sanders, Jim Malusa 2017-9-20 43346 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, in canyon 1.5 km west (276 deg. ) of Tabaseca Tank, 6.7 km SE of Salt Creek at mouth of Red Canyon 602 Comment
  RSA741553  Conyza canadensis Justin M. Wood 2008-9-22 163 Riverside SW Perris Basin; Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  RSA786957  Cordylanthus filifolius Robert F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49542 Riverside Santa Ana Mountains: along Ortega Highway (74), perhaps 1/4 mile west of El Cariso Comment
  SD129529  Cordylanthus rigidus subsp. setiger G. K. Helmkamp 1989-10-7 Riverside Edge of moist farmland at the N edge of the fish hatchery in Whitewater Canyon, N of I-10 700 Comment
  UCR108473  Coreopsis A. C. Sanders, D. Woodard, K. C. Rose 1995-3-22 16195 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, alluvial fan just east of the mouth of Whitewater Canyon between Windy Point & Hwy I-10, Coachella Valley 370 Comment
  UCR70724  Coreopsis bigelovii Ora M. Clark 1929-2-23 1562 Riverside Sonoran (Colorado) Desert, north of White Water Comment
  POM31848  Coreopsis californica Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA160875  Coreopsis californica Percy C. Everett 1962-4-13 24451 Riverside Temescal Canyon, Hwy 71, 0.5 miles S entrance to Glen Ivy. Comment
  JOTR31012  Coreopsis californica var. californica La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1301 Riverside Joshua Tree National Park. Stop 7: Hexie Mountains, Pleasant Valley, along Geology Tour road loop, just south of where loop begins 1039 Comment
  LA205800  Corethrogyne filaginifolia Elizabeth McClintock; 1936-8-12 sn Riverside Massacre Canyon near San Jacinto Comment
  UCSB22622  Corethrogyne filaginifolia Breedlove, Dennis 1961-8-4 Riverside Along Riverside Highway 1, 9 miles south of Banning; San Jacinto Mountains 1341 Comment
  SBBG59853  Cornus sericea subsp. occidentalis R. Hoffmann 1929-9-7 Riverside San Jacinto Mtns 1524 Comment
  HSC6503  Crassula connata C. L. Hitchcock 1966-3-15 24149 Riverside 1 mi. E of Glen Ivy Hot Springs Comment
  UCR213620  Crassula connata A. C. Sanders, Matthew Malle 2010-4-23 37990 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UCR22072  Crassula connata Steve Boyd 1980-4-27 133 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  UCR226071  Crassula connata A. C. Sanders, T. B. Salvato 2011-4-1 38940 Riverside Peninsular Range, Lake Elsinore, SW of Baker St. along dirt branch road to microwave tower, near large water tank on hill 409 Comment
  UCR97897  Crassula connata A. C. Sanders 1997-3-1 19706 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  SD125360  Crassula connata Robert F. Thorne, Earl Lathrop 1975-5-20 45501 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro; vernally wet, clayey openings in grassland. 609 Comment
  CLARK-A1045-231  Crassula erecta George K. Helmkamp 1978-4-1 Riverside Whitewater junction of Interstate highway 10 and Verbenia Avenue; Whitewater 7.5'Q Comment
  RSA651553  Croton californicus Brinkerhoff 1949-2-20 s.n. Riverside Thousand Palms, Colorado Desert. 762 Comment
  CAS-BOT-BC190129  Crypsis vaginiflora John C. Roos 1952-6-4 5735 Riverside San Jacinto river bottomland 1.5 mile southeast of Perris. 426 Comment
  HSC3570  Cryptantha angustifolia R. A. Eagle 1964-3-28 14 Riverside 7 mi. out along the Thunderbird road. Comment
  JOTR28788  Cryptantha angustifolia La Doux, Tasha 2005-3-30 1057 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  JOTR35363  Cryptantha angustifolia Harding, Mitzi, M. Wheeler 2011-1-26 147 Riverside Joshua Tree National Park. Pinto Basin, where Chuckwalla Valley meets Pinto Wash, 0.5 mi west of Coxcomb Mountains, sandy burms above large wash (STOP2) 289 Comment
  JOTR35370  Cryptantha angustifolia Harding, Mitzi, J. Hoines, E. Kramer 2012-2-2 164 Riverside Joshua Tree National Park. southeast Coxcomb Mountains; SE facing slopes and steep drainages 164 Comment
  POM13681  Cryptantha angustifolia E. C. Jaeger 1922-3-18 1029 Riverside Painted Canyon, Riverside County Comment
  POM368204  Cryptantha angustifolia Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-29 7811 Riverside West of Indio, 3 miles E of Date Palm Dr. 15 Comment
  RSA339315  Cryptantha barbigera R. F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54031 Riverside San Bernardino Mountains: 1/4 mile W of Whitewater P. O. and 1/2 mile W of Whitewater River 415 Comment
  RSA517934  Cryptantha barbigera Steve Boyd, Orlando Mistretta 1986-3-13 1407 Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd & 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  SEINET3004965  Cryptantha barbigera G. Rink 2011-3-23 10389 Riverside Desert flats north of Blythe, east of the McCoy Mtns 109 Comment
  UCR97480  Cryptantha barbigera John Wear, N. Moorhatch 1997-3-13 s.n. Riverside San Jacinto Mtns. / Coachella Valley, S of Chino Canyon, at NW end of Palm Springs. 350 Comment
  SEINET10455559  Cryptantha barbigera Thorne 1980-4-16 THORNE 54048 Riverside San Bernardino Mts: Sandy bench along Whitewater River, E of bridge and levee and below W-facing bluff. Comment
  JOTR34202  Cryptantha barbigera var. barbigera La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2994 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; burned slopes (2009 fire) above Lost Horse Mine trail, west of mine, with rocky-cobbley soil and rocky outcrops Comment
  RSA781905  Cryptantha barbigera var. barbigera Duncan S. Bell 2010-5-1 885 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
  SDSU20582  Cryptantha barbigera var. fergusoniae Ronald B. Kelley 2005-3-22 653 Riverside Cottonwood Road north of West Palm Springs, near type location. 549 Comment
  UCR181339  Cryptantha corollata Mitch Provance 2003-4-5 6520 Riverside San Bernardino Valley, Glen Avon (near border with Fontana) along the NW base of the Jurupa Mountains, south of Philadelphia St. and just east of Country Village Rd 253 Comment
  GMDRC5831  Cryptantha costata J. M. Andre 2013-3-27 24795 Riverside Rice Valley: east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62) 242 Comment
  RSA0078966  Cryptantha cycloptera LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1428 Riverside Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  UCR41545  Cryptantha decipiens A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6086 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  POM254900  Cryptantha dumetorum P. A. Munz 1940-3-24 15708 Riverside 2 miles north of Cottonwood Springs, Eagle Mountains. 915 Comment
  JEPS67627  Cryptantha holoptera W. L. Jepson 1927-4-12 11678 Riverside Painted Canyon Colorado Desert, Mecca Hills 76 Comment
  RSA776684  Cryptantha holoptera Duncan S. Bell, Amanda Turek 2010-4-10 799 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  JEPS29317  Cryptantha intermedia Rimo Bacigalupi, and L. R. Heckard 1962-3-26 8413 Riverside 3.3 mi nw Alberhill (w-facing slopes near headwaters of Temescal Wash and Canyon, w base of Estelle Mountain and just opposite Indian Canyon (from w)); Estelle Mountain 304 Comment
  RSA450444  Cryptantha intermedia J. C. Roos 1950-4-22 4746 Riverside Pigeon Pass Comment
  RSA495466  Cryptantha intermedia Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2997 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  RSA502894  Cryptantha intermedia Ed LaRue 1989-3-30 s.n. Riverside Rancho California area, ca. 4 miles W of Temecula,with Ave. del Oro as the N boundary. 381 Comment
  RSA67310  Cryptantha intermedia G. R. Campbell 1951-4-22 15998 Riverside Palms to Pines Hwy [74], 1 mi. e. of road to Santa Rosa Mt.[Santa Rosa Mt Truck Trail], 1371 Comment
  RSA792745  Cryptantha intermedia R. F. Thorne 1995-3-29 63031 Riverside White Water Canyon 600 Comment
  SBBG34217  Cryptantha intermedia H. Haid 1969-5-11 Riverside Bautista Cyn, ca. 20 mi SE of Hemet 914 Comment
  UCD119851  Cryptantha intermedia Geoffrey Levin 1975-4-26 487 a Riverside Mayhew Canyon Wash, 1.5 miles southeast of Glen Ivy on Highway 71. 335 Comment
  UCR162270  Cryptantha intermedia S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, Juan Diego Flats on powerline trail west to Reed Valley, NW of Cahuilla Mountain 1244 Comment
  UCR225733  Cryptantha intermedia A. C. Sanders 2011-3-30 38918 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
  JOTR35322  Cryptantha maritima Harding, Mitzi, Mark Wheeler 2012-2-28 90 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; eastern slopes of southern tip of range (Stop 1) 177 Comment
  POM73209  Cryptantha maritima Marcus E. Jones 1906-4-27 s.n Riverside Indio. Comment
  UCR245655  Cryptantha maritima Duncan S. Bell 2010-4-1 673 Riverside Sonoran (Colorado) Desert, Arica Mountains; west side of Rice Valley, c. 1.2 air miles east of AT & SF railway line, c. 4.2 air miles east of Priest Well and c. 4.3 air mi. SE of the ghost town of Rice 208 Comment
  UCR280920  Cryptantha maritima Fred M. Roberts 2016-3-5 7995 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
  RSA0039698  Cryptantha micrantha J. M. Andre 2013-3-27 24798 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi south of Rice (Hwy 62). 241 Comment
  JOTR33922  Cryptantha micrantha var. lepida La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2813 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
  POM12804  Cryptantha micrantha var. lepida P. A. Munz 1922-6-26 5839 Riverside Santa Rosa Mtns. Santa Rosa [peak?] 1982 Comment
  RSA489621  Cryptantha micrantha var. lepida D. Charlton 1988-5-28 2118 Riverside Santa Rosa Mts. S of Hwy. 74 dirt road to Toro and Santa Rosa Peaks. Toro Camp Area 2286 Comment
  POM13116  Cryptantha microstachys P. A. Munz, I. M. Johnston 1922-5-19 5338 Riverside 5 mi. E of Murrieta. 488 Comment
  POM157916  Cryptantha microstachys P. A. Munz 1927-5-20 10822 Riverside 10 miles S. of Hemet. Comment
  JEPS67740  Cryptantha muricata W. L. Jepson 1901-5-19 1298 a Riverside Strawberry Valley Mt. San Jacinto 1676 Comment
  UC24692  Cryptantha muricata H. M. Hall Jun 1901 2224 Riverside Onstatt Valley San Jacinto Mountains 1524 Comment
  UCR108476  Cryptantha muricata A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16179 Riverside Coachella Valley/San Jacinto Mtns. foothills, Chino Canyon near the Palm Springs tram station 793 Comment
  UCR252599  Cryptantha muricata T. B. Salvato, Matthew Malle 2013-4-4 7500 Riverside Perris-Aguanga Basin, Sedco Hills, Crab Hollow Circle between Lost Road and Lake View Drive 588 Comment
  RSA0104500  Cryptantha muricata var. muricata Duncan S. Bell 2015-9-30 8656 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  UCR280921  Cryptantha nevadensis Fred M. Roberts 2016-3-5 7996 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
  RSA0042172  Cryptantha pterocarya var. pterocarya Duncan S. Bell, Evan Meyer 2014-4-2 6514 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  POM72504  Cryptantha racemosa Marcus E. Jones 1906-4-26 s.n. Riverside Indio Comment
  RSA771790  Cryptantha utahensis Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4747 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 600 Comment
  CAS-BOT-BC68029  Cryptogramma acrostichoides F. W. Peirson 1921-8-14 2557 Riverside Sierra Nevada - Triple Falls, Cartridge Creek 2438 Comment
  UCR26541  Cucurbita foetidissima A. C. Sanders, S. Hagopian 1981-5-20 2115 Riverside Perris-Aguanga Basin, S side of Pauba Valley, within l mi of Hwy 71 bridge over the Temecula River 367 Comment
  UCR232065  Cucurbita palmata John F. Green 2008-4-24 13- 07 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris along Hwy 74, between Lazy Lizard Dr. and Wasson Canyon Rd. 504 Comment
  RSA263654  Cupressus forbesii E. W. Lathrop 1977-4-20 7607 Riverside Beford Truck Trail of the Cleveland Nat'l. Forest, Trabuco District. 3.8 miles below the Main Divide Truck Trail and the North side of the Bedford Truck Trail. 914 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
  RSA409709  Cuscuta californica I. M. Johnston 1917-6-5 1255 Riverside Hills south of Arlington 366 Comment
  RSA789365  Cuscuta californica var. californica Aaron C. Sedgwick, David Fraker 2012-3-28 40 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  SBBG65465  Cycloloma atriplicifolium R. Hoffmann 1929-9-4 Riverside Wineville [Mira Loma] Comment
  CAS-BOT-BC59392  Cylindropuntia acanthocarpa var. acanthocarpa Roxana S. Ferris 1928-4-21 7179 Riverside Field redacted by CAS, contact the data manager for more information Comment
  UCR41561  Cylindropuntia bigelovii A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6148 Riverside Sonoran (Colorado) Desert, Arroyo Seco, along Bradshaw Rd., 5.2 mi west of Graham Pass Rd., south side of the Chuckwalla Mtns. 640 Comment
  UC403468  Cylindropuntia chuckwallensis Munz and Keck 1922-4-12 5017 Riverside Aztec Well Colo. Desert, Chuckawalla Mts. Comment
  SEINET9037429 Image available Cylindropuntia echinocarpa M. A. Baker, Michelle Cloud-Hughes 2015-1 18399 Riverside San Gorgonio River, 2km south of Cabazon, 2.6km NNW of Hurley Flat, 26km WNW of central Palm Springs 510 Comment
  SD229118  Cylindropuntia ganderi Dick Schwenkmeyer 2013-6-11 924 Riverside Carrizo Creek camp, approx. 1.5 north of highway 74 and Royal Carrizo Road intersection. 890 Comment
  UCD97943  Cylindropuntia ramosissima William H. Brooks 24-25 Feb 1989 s.n. Riverside McCoy Wash, north of Blythe. 579 Comment
  RSA781888  Cynanchum utahense Duncan S. Bell 2011-10-22 3005 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  RSA356655  Cynodon dactylon R. F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47307 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 610 Comment
  RSA118958  Cynodon dactylon L. S. Rose 1957-1-3 57003 Riverside La Quinta. 15 Comment
  RSA500204  Cyperus erythrorhizos Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3540 Riverside Vail Lake area, pond and freshwater marsh in Kolb Crk. just south of the lake. Comment
  UCR265057  Cyperus involucratus Mitch Provance 2012-11-9 612- 52 Riverside San Bernardino Valley, Box Springs Canyon, SW base of the Box Springs Mountains, E side of Interstate 215, 0.25 mi SE of the intersection of Gernert Rd. and Watkins Dr. 422 Comment
  POM153370  Cyperus odoratus Phillip A. Munz, I. M. Johnston 1928-9-12 11244 Riverside North end of Lake Elsinore. Comment
  UCR277724  Cyperus odoratus Mitch Provance 2012-11-3 1112- 07 Riverside San Timoteo Canyon, West Beaumont, N side of Oak Valley Parkway (San Timoteo Canyon Rd.), 1.5 miles W of I-10. 709 Comment
  UCR89437  Cyperus retrorsus Steve Morgan 1994-9-13 s.n. Riverside Riverside, UCR campus in the Botanic Garden. Along the trail in the chaparral section just west of (below) the lath house Comment
  POM1191  Dactylis glomerata D. L. Crawford, I. M. Johnston 1917-6-9 1227 Riverside Santa Ana River near Corona Comment
  UCR274879  Dalbergia sissoo John F. Green 2015-12-16 s.n. Riverside Sonoran(Colorado) Desert/E Foothills Peninsular Range, La Quinta, canyon wash alongside 'The Quarry' golf course, c. 1 km west of Lake Cahuilla 70 Comment
  UC724223  Dalea mollis Aven and Ruth Nelson 1939-3-29 3309 Riverside between Mecca and Hidden Springs Comment
  SEINET10389804  Dalea mollissima A. C. Sanders, Jim Malusa 2015-3-11 41391 Riverside Chocolate Mountains, Gasline Road at junction with road to Observation Point Slats, US Navy Chocolate Mountains Aerial Gunnery Range 722 Comment
  SEINET10871076  Dalea spinosa David B. Dunn, A. Folsom 1948-6-17 Dunn 3803 Riverside By quad 2. At camp in pushawalla canyon under palms. Desert dry wash indio Hills. Colorado desert. Comment
  UC537050  Danthonia unispicata M. E. Jones Sept. 1933 Riverside San Jacinto Mts. Comment
  RSA192165  Datisca glomerata E. W. Lathrop 1966-6-1 6364 Riverside Los Alamos Road, Tenaja Range, 14 miles NW of Murrieta. Comment
  RSA0022207  Datura discolor D. W. Stevens 1978-4-8 949 Riverside ~5 mi SW of Blythe. Devers-Palo Verde T/L corridor. Comment
  POM248026  Datura wrightii Philip A. Munz 1941-4-5 16695 Riverside 5 mi. Northeast of Desert Center. Comment
  SEINET8465858 Image available Datura wrightii W. P. MacKay 1970-4-18 335 Riverside 1 mile west of Palm Springs along Highway 60. 91 Comment
  RSA500211  Daucus pusillus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3532 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  UCR116902  Daucus pusillus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24197 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
  UCR214570  Daucus pusillus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37851 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.8 mi. north (09 deg. ) of intersection of I-15 and Lake St. 482 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
  POM360342  Deinandra fasciculata J. D. Olmsted 1962-5-10 3609 Riverside Lake Matthews Road ca. 0.5 mile W of dam. 427 Comment
  POM362220  Deinandra kelloggii Banning 1921-6-1 3428 Riverside San Jacinto Comment
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Feb 22 2014
  RSA703225  Deinandra kelloggii R. E. Riefner Jr. 2004-4-27 04 -147 Riverside Morreno Valley, south of Allesandro St. near Merwin St. and Kimber Ave. 354 Comment
  RSA703250  Deinandra kelloggii R. E. Riefner Jr. 2004-4-27 04 -143 Riverside Moreno Vallaey, along Allesandro St. near Merwin St. intersection. 487 Comment
  SD82947  Deinandra kelloggii Andrew R. Moldenke, Harold N. Moldenke 1971-4-25 25509 Riverside Aguaranga [Aguanga] (mak 11/06) Comment
  UC32757  Deinandra kelloggii Geo. F. Reinhardt 1897-6-1 Riverside San Jacinto Valley Comment
  CAS-BOT-BC131021  Deinandra mohavensis A. C. Sanders; T. Schram; D. Wappler 1994-10-4 15775 Riverside San Jacinto Mountains: nameless tributary of Azalea Creek ca. 1 mile due S of the Twin Pines Ranch buildings 1130 Comment
  UCR88425  Delphinium parishii A. C. Sanders, K. C. Rose 1995-4-5 16345 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  PASA2532  Delphinium parryi 1922-5-18 Riverside Road south of Lake Elsinore 377 Comment
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Jun 24 2016
  UC310788  Delphinium parryi subsp. maritimum Edmund C. Jaeger 1926-5-1 Riverside Joseph Canyon Santa Ana Mts. Comment
  UCR16757  Delphinium patens subsp. hepaticoideum G. R. Ballmer 1965-3-21 s.n. Riverside Peninsular Range, Base of Santa Ana Mountains, 5 mi. south of Glen Ivy Hot Springs 396 Comment
  UCR167976  Dendromecon rigida T. B. Salvato, John F. Green 2004-5-27 656 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
  POM122684  Dendromecon rigida subsp. rigida Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  CAS-BOT-BC198165  Deschampsia danthonioides Philip A. Munz 1941-5-18 16645 Riverside 15 miles northeast of Temecula Comment
  CAS-BOT-BC201724  Deschampsia elongata Ralph Hoffmann 1929-9-6 s.n. Riverside Tahquitz Valley, San Jacinto Mt. 2438 Comment
  UC1126776  Descurainia pinnata H. S. Yates 1937-3-23 6391 Riverside 2 mi n Palm Springs; San Jacinto Quad. 213 Comment
  UC1563122  Descurainia pinnata Steve Boyd, Tim Ross, Laurel Arnseth 1989-4-2 3242 Riverside se of lake near Temecula Creek (Butterfield Valley); Vail Lake Area, Butterfield Valley 487 Comment
  CAS-BOT-BC43359  Descurainia pinnata subsp. glabra C. L. Hitchcock 1940-4-1 5911 Riverside Cottonwood Spring wash. Comment
  JOTR34104  Descurainia pinnata subsp. glabra La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2725 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy pediment/bajada surrounding granitic ourcrops near Stirrup Tank parking lot (Stop 1) Comment
  RSA697659  Dicentra chrysantha R. H. McArthur 1934-5-6 s.n. Riverside Ortega Hiway. Roadside. Comment
  RSA768122  Dicentra chrysantha E. W. Lathrop 1968-6-2 6958 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak. Cleveland National Forest 1220 Comment
  SD137696  Dicentra chrysantha Darin L. Banks 1995-4-11 183 Riverside East of the Dripping Springs Alcove Area, along the Dripping Springs Trail. 694 Comment
  RSA33564  Dichelostemma capitatum subsp. pauciflorum N. C. Cooper 1944-3-25 1002 Riverside Cabazon 457 Comment
  RSA70124  Dichelostemma capitatum subsp. pauciflorum F. W. Peirson 1921-3-22 s.n. Riverside Murray Canyon, Near Palm Springs. 366 Comment
  RSA70160  Dichelostemma capitatum subsp. pauciflorum F. W. Peirson 1922-4-9 2903 Riverside Andreas Canyon near Palm Springs, Colorado Desert, 335 Comment
  JEPS41017  Dicoria canescens S. B. Parish 1912-10-8 8366 Riverside Indio Salton Basin -6 Comment
  UCR109153  Dimorphotheca sinuata D. L. Banks, V. W. Steinmann 1997-3-13 1456 Riverside NW Palomar Mtns, Agua Tibia Mtns: Redhawk Housing Development, north of the Pechanga Indian Reservation in the hills south of the intersection of Marge Place and Tehachapi Pass (S of Redhawk Parkway) 378 Comment
  UCR117345  Dimorphotheca sinuata Mitch Provance 1998-3-21 247 Riverside Glen Avon, Jurupa Rd., c. 0.25 miles west of Camino Real. 244 Comment
  CAS-BOT-BC152268  Diplacus clevelandii John Thomas Howell 1931-5-30 6604 Riverside Santiago Peak Trail, Santa Ana Mts. Comment
  SBBG87344  Diplacus longiflorus B. Pitzer, A. C. Sanders 1937-4-21 495 Riverside Box Springs Mtns, near southernmost radio towers 792 Comment
  SD132999  Diplacus longiflorus Scott White 1991-5-13 91 101 Riverside Hwy 79, immediately W of U.S. Forest Service Campground at Dripping Springs 548 Comment
  SEINET4095863  Diplacus longiflorus C. Davidson 1975-1 2803 Riverside Roughly two miles south of Banning on road R1 to Idyllwild; roughly 20 feet from road. 822 Comment
  RSA0018426  Diplacus longiflorus var. calycinus C. W. Tilforth, Walter Wisura 1979-8-8 1897 Riverside Highway 243 at turn-off to Poppet Flat, south of Banning. 1189 Comment
  RSA0018428  Diplacus longiflorus var. calycinus Carl B. Wolf 1932-5-24 3657 Riverside 1 mi. above the Fish Hatchery. Snow Creek, No. base San Jacinto Mountains. 793 Comment
  CAS-BOT-BC150871  Diplacus puniceus L. Haines; L. Erickson 1937-4-9 s.n. Riverside Riverside - Hemet Road near Winchester turnoff Comment
  CAS-BOT-BC150872  Diplacus puniceus Lyman Benson 1932-3-26 3183 Riverside Summit Temecula Grade 609 Comment
  UC2062529  Distichlis spicata subsp. spicata Hester L. Bell 2002-3-9 258 Riverside Northern Sonoran Desert. San Andreas Oasis near Dos Palmas Reserve, east of Highway 111 (and Salton Sea), exit at Parkside Road). Comment
  RSA576024  Ditaxis lanceolata Christopher Davidson 1979-4-4 7736 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  JOTR30683  Ditaxis neomexicana Andre, Jim, Tasha La Doux 2008-9-13 10269 Riverside Joshua Tree National Park. Eagle Mountains at Joshua Tree National Park boundary, lower slopes of south end of Eagle Mtns., along aqueduct access road. 354 Comment
  RSA608178  Ditaxis neomexicana Steve Boyd, Valerie Soza, Tasha La Doux 1997-10-13 10065 Riverside Colorado-Mojave Desert transition, Little Maria Mountains: Bajada at southwest end of Rice Valley, along Midland Road, just north of pass between Little Maria and Big Maria mountains. 274 Comment
  UCR72204  Ditaxis neomexicana Theo Glenn 1991-5-22 91- 73 Riverside Sonoran (Colorado) Desert, Arica Mountains, SW of Rice. 309 Comment
  CSUSB522  Dithyrea californica Barry A. Vittor 1966-3-4 S. N. Riverside Rancho Dos Palmas, 2 miles northeast of Salton Sea State Park 30 Comment
  POM14206  Dithyrea californica P. A. Munz, D. D. Keck 1922-4-14 4983 Riverside 10 mi. west of Indian Wells. Along the Whitewater Wash 91 Comment
  RSA30866  Dithyrea californica I. L. Wiggins 1937-3-9 8765 Riverside Sand dunes 20 miles north of Indio. Comment
  UCR134596  Dithyrea californica Marisa Sripracha, Kyle Boyd 2004-2-14 012 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 Comment
  RSA736257  Dodecatheon clevelandii Scott D. White, Justin M. Wood 2008-4-3 11789 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  SD136778  Dodecatheon clevelandii subsp. clevelandii Steve Boyd, Orlando Mistretta 1992-4-22 7020 Riverside San Mateo Wilderness Area. Indian Potrero south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon 701 Comment
  RSA0002275  Downingia immaculata P. A. Munz 1922-4-29 5093 Riverside 0.5 mile south of Lake Elsinore. 381 Comment
  RSA697425  Draba corrugata J. R. Bruff 1934-7-5 s.n. Riverside San Jacinto Mountain Comment
  RSA612492  Draba cuneifolia D. L. Banks 1997-2-23 1325 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
  SDSU13617  Drymocallis glandulosa var. wrangelliana C. Mosse, W. Miller Riverside 316 Comment
  SBBG119390  Dudleya lanceolata A. C. Sanders, T. B. Salvato 2003-5-21 26788 Riverside Wildomar, old ranch parcel SE of Wesley St and SW of Laguna Rd, W of Orange St, NE of Palomar St 402 Comment
  POM10286  Dudleya multicaulis Charlotte M. Wilder 1905-5-31 583 Riverside West Riverside Plains Comment
  RSA192294  Dudleya pulverulenta H. A. Zuill 1966-7-17 294 Riverside on the De Luz rd SW of Murrieta Comment
  SEINET8037279 Image available Echinocactus polycephalus var. polycephalus Michael Chamberl 1990-1-11 18 Riverside 3.6mi S of Inyo county line on Route 127. On west side of small hill on west side of road. 300 Comment
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Jun 4 2016
  SEINET8059976 Image available Echinocactus polycephalus var. polycephalus Michael Chamberl 1990-1-11 20 Riverside 3.6mi S of Inyo county line on Route 127. On west side of small hill on west side of road. 300 Comment
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Jun 5 2016
  CDA1982  Echinochloa colona T. C. Fuller 1970-10-7 19799 Riverside Palo Verde Valley, southwest of Blythe. 0 Comment
  UCR110374  Echinochloa crus-galli A. C. Sanders, Mitch Provance 1999-9-26 23118 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  UCR95726  Echinochloa crus-galli D. L. Banks, Lauren Raz 1996-8-29 1134 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
  RSA522095  Echinochloa crus-galli Steve Boyd, Orlando Mistretta 1989-7-18 3763 Riverside Vail Lake area, confluence of Kolb Creek with lake. 426 Comment
  CAS-BOT-BC445578  Echinodorus berteroi S. B. Parish 1891-11-3 2264 Riverside Elsinore Comment
  UCR23770  Eclipta prostrata John C. Roos 1948-10-23 3524 Riverside Riverside, Evans Lake, Fairmont Park 274 Comment
  CAS-BOT-BC113604  Eleocharis acicularis Frederick Morris Reed 1908-7-12 2480 Riverside Lake Surprise, San Jacinto Mts. 2743 Comment
  UC1930097  Eleocharis macrostachya Scott D. White, Justin Wood 2008-6-5 12087 Riverside San Jacinto Mountains: Garner Valley: Hwy 74 @ Thomas Mountain Rd. - SW corner of junction. Comment
  UCR169395  Eleocharis parishii T. B. Salvato, John F. Green 2004-5-27 605 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
  UCR241227  Eleocharis parishii Tracy Tennant, Jeffrey Ross 1998-7-11 MOR- 508 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  SD187318  Elymus condensatus Scott D. White, Angelia Carey 2004-9-16 10749 Riverside San Jacinto Mountain foorhills: Along Poppet Creek northeast of San Jacinto River. 561 Comment
  RSA396460  Elymus elymoides Walter Wisura 1987-5-21 4163 Riverside 10.9 miles from Highway 74 going S along forestry road 5S15; S of summit of Thomas Mountain. Comment
  UCR201448  Elymus elymoides Scott D. White, Justin M. Wood 2008-6-5 12066 Riverside San Jacinto Mountains, Quinn Flat Meadow 1396 Comment
  SEINET4208557  Elymus glaucus Scott D. White, Sandy Leatherman 2000-5-31 7979 Riverside Santa Ana Mts./Santa Rosa Plateau: Near Squaw Mountain.; 0 640 Comment
  CSUSB99  Emmenanthe penduliflora Karen Cook 1966-5-16 Riverside Santa Ana River bottom, east of Van Buren Ave. in city of Riverside. 182 Comment
  POM126257  Emmenanthe penduliflora Martha Hilend 1927-4-2 s.n. Riverside Painted Canyon, Colorado Desert. Comment
  UC1518629  Emmenanthe penduliflora Robert F. Thorne, Drs. Fosberg, Sachet, and Herbst 1983-4-23 55466 Riverside San Bernardino Mts.: Side-canyon on W side of Whitewater, ca 3.3 mi N of Whitewater Post Office 594 Comment
  JOTR31047  Emmenanthe penduliflora var. penduliflora La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2030 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lower Covington Flats; STOP 1: drainage heading toward Smithwater Canyon, rocky canyon with narrow sandy bottom Comment
  OBI5757  Encelia actoni Carl B. Wolf 1931-10-14 2458 Riverside Lower sonoran. Roadside at Cabezon, San Gorgonio Pass 518 Comment
  POM320503  Encelia actoni Patricia Wilder 1971-9-29 5280 Riverside Along San Jacinto River at north end of Fairview Street, north of Florida Street. Valle Vista; east of Hemet; south side of river 518 Comment
  POM356674  Encelia actoni Norman C. Cooper 1949-6-29 4285 Riverside Palms to Pines Hwy, San Jacinto Mt 915 Comment
  UCR23768  Encelia actoni John C. Roos 1942-6-20 992 Riverside San Jacinto Valley, E of Hemet Comment
  SDSU13552  Encelia californica W. Miller, C. Mosse 1972-7-20 Riverside 1/4 mi. from south gate. Comment
  POM9617  Encelia californica I. M. Johnston 1920-5-8 s.n. Riverside Jurupa Mountains, extreme west end. Comment
  LA202444  Encelia farinosa T. A. Geissman; 1968-3-23 32368 -EFW Riverside On Morongo Valley hwy near Whitewater turnoff Comment
  LA202451  Encelia farinosa Harlan Lewis; 1936-4-18 sn Riverside White Water 304 Comment
  RSA770315  Encelia farinosa Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4405 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
  UCD20084  Encelia farinosa Donald W. Kyhos 1965-5-11 65 -214 Riverside 4.9 miles north of junction of Hwy 95 and Hwy 60-70, on Hwy 95. Comment
  POM356680  Encelia farinosa var. farinosa H. E. Hasse 1892-7-4 s.n. Riverside San Jacinto. Comment
  UCR214289  Encelia farinosa var. phenicodonta A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37484 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  UCR104016  Encelia frutescens George K. Helmkamp 1998-4-4 3132 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  JOTR34054  Encelia virginensis La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2954 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; loamy-gravel, steep, southeast facing slopes above Lost Horse Mine Trail Comment
  OBI38921  Ephedra aspera A. C. Sanders, D. Charlton, & B. Pitzer, B. Pitzer 1986-3-3 6142 Riverside North foot of the Chuckwalla Mts, 2-3/4 mi airline SE of Desert Center 366 Comment
  RSA383850  Ephedra aspera W. M. Zabriskie 1974-3-27 161 Riverside S of juncture with North Canyon, Andreas Canyon, E slope San Jacinto Mtns. 335 Comment
  RSA383851  Ephedra aspera N. R. Zabriskie, W. M. Zabriskie 1972-3-28 480 Riverside North Canyon, Andreas Canyon drainage, east slope San Jacinto Mountains 610 Comment
  CAS-BOT-BC81538  Ephedra californica Catherine A. Toschi 1963-4-11 63 :124 Riverside Porcupine Wash, Joshua Tree National Monument 762 Comment
  JOTR34111  Ephedra californica La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2743 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  RSA296153  Ephedra californica B. A. Prigge 1980-8-5 3831 Riverside Whitewater Canyon, 0.5 miles N of trout farm 701 Comment
  SEINET4898218  Ephedra californica Douglas Wood 1971-3-7 s.n. Riverside Palm Springs Desert Comment
  UC1929705  Ephedra nevadensis Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10502 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; West side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains Comment
  GMDRC9376  Ephedra trifurca J. M. Andre 2017-3-4 37176 Riverside along west side of US Hwy 95, 21.4 mi. south of Vidal Junction, just north of Big Maria Mountains 123 Comment
  UCR275148  Ephedra trifurca David Fraker, Aaron C. Sedgwick 2012-3-27 039 Riverside Central Mojave Desert, Owl Canyon [in Rainbow Basin Natural Area], by Owl Canyon Campground 973 Comment
  RSA761223  Epilobium canescens Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 710 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCR178007  Epilobium canum T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 621 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  CAS-BOT-BC171736  Epilobium canum subsp. latifolium Adele O. Merritt 1925-11-1 s.n. Riverside Palm Springs Comment
  UC1931072  Epilobium ciliatum Scott D. White, Justin Wood 2008-7-9 12424 Riverside San Jacinto Mountains: K Flat, from large pond downstream to meadow. Comment
  UCR159254  Epilobium ciliatum A. C. Sanders, Kelly Volansky 2005-8-31 31580 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  UC20048  Epilobium ciliatum subsp. ciliatum H. M. Hall August, 1901 2589 Riverside Tamarack Valley San Jacinto Mountains (in meadows or along creeks) 2499 Comment
  POM3144  Epilobium glaberrimum subsp. glaberrimum H. M. Hall 1901-6-3 2377 Riverside In the vicinity of Strawberry Valley. 1585 Comment
  POM11720  Equisetum laevigatum P. A. Munz, I. M. Johnston 1922-5-20 5455 Riverside Kenworthy, San Jacinto Mountains. 1433 Comment
  POM11835  Equisetum laevigatum P. A. Munz, I. M. Johnston 1922-5-21 5515 Riverside Kenworthy, San Jacinto Mountains 1524 Comment
  RSA180453  Equisetum telmateia var. braunii E. W. Lathrop 1965-5-7 5716 Riverside 5 miles SW of Murrieta on the De Luz Road. Comment
  RSA314486  Eragrostis cilianensis R. F. Thorne 1982-10-8 55365 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  UCR93087  Eragrostis minor A. C. Sanders, S. Ogg 1994-7-28 15173 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  POM8640  Eremalche exilis P. A. Munz, R. D. Harwood 1920-4-3 3563 Riverside Ford's Well west of Blythe. 305 Comment
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Dec 13 2016
  UCR166193  Eremalche exilis Nathan Moorhatch, John F. Green, Ted Rado 2005-4-19 s.n. Riverside Sonoran (Colorado) Desert, Desert Hot Springs, Desert Dunes Golf Course (SW corner) just east of Palm Ave. Approximately 0.5 miles north-east of Seven Palms Ranch 226 Comment
  UCR241714  Eremalche rotundifolia Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 42 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 Comment
  RSA586937  Eremocarpus setiger D. L. Banks, Peter Morrell 1995-5-4 0303 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, N of the Wildhorse Trail, along Arroyo Seco. 597 Comment
  CAS-BOT-BC160064  Eremothera boothii subsp. condensata F. H. Billings 1926-2-1 31 Riverside Near Indio Comment
  JOTR35366  Eremothera refracta Harding, Mitzi, M. Wheeler 2011-1-26 150 Riverside Joshua Tree National Park. West Coxcomb Mountains; rocky foothills/slopes above bouldery wash (STOP4) 424 Comment
  RSA0031613  Eremothera refracta Jim Andre 2013-3-27 24819 Riverside Riverside Mountains; east side of Riverside Mountains, along Hwy 95, 13.2 mi. south of Vidal Jct. 126 Comment
  UCR279336  Eremothera refracta A. C. Sanders, Jim Malusa 2017-3-23 42921 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
  UC1787317  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1993-7-16 138 Riverside San Jacinto Mountains: Hwy 371, 4.5 km south of Hwy 74, south side of road, in sandy bottom of Hamilton Wash 1267 Comment
  RSA0093767  Eriastrum densifolium subsp. elongatum Duncan S. Bell 2015-9-30 8688 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  SD258974  Eriastrum diffusum subsp. coachellae Sarah J. De Groot 2005-5-16 4968 Riverside Along Worsley Road paralleling Highway 62 between Dillon Road and Indian Ave., Desert Hot Springs area, vicinity of Morongo Creek. Broad but shallow washes through Bajada of Little San Bernardino Mountains. 495 Comment
  JOTR29245  Eriastrum eremicum subsp. eremicum La Doux, Tasha 2005-8-17 1526 Riverside Joshua Tree National Park. Queen Valley, at intersection of Park Blvd. and O'Dell Rd. 1338 Comment
  JOTR33963  Eriastrum eremicum subsp. eremicum La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2849 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
  UC52542  Eriastrum eremicum subsp. eremicum F. Gilman 1902-1 4 Riverside Palm Springs Comment
  RSA0120100  Eriastrum eremicum subsp. eremicum P. A. Munz, P. C. Everett 1952-5-2 16257 Riverside 2 miles east of Garnet, Coachella Valley. 30 Comment
  UCR174070  Eriastrum filifolium A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32636 Riverside Peninsular Range, 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
  GMDRC5830  Eriastrum harwoodii J. M. Andre 2013-3-27 24794 Riverside Rice Valley: east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62) 242 Comment
  UC552457  Eriastrum sapphirinum Carl V. Meyer June, 1927 152 Riverside Temecula Comment
  UCR201451  Eriastrum sapphirinum Scott D. White, Justin M. Wood 2008-6-16 12125 Riverside San Jacinto Mountains, Fobes Canyon, c. 1 mi up Fobes Ranch Road from Fobes Spring 1555 Comment
  SD86682  Eriastrum sapphirinum subsp. dasyanthum Helen V. Witham 1971-10-3 1598 Riverside Southwest Forest and Range Experiment Station, Poppet Flat Road, 0.8 miles west of Hwy 74. 1399 Comment
  SD84911  Ericameria linearifolia Nancy Ryan Zabriskie, Walter Zabriskie 1971-4-9 372 Riverside 2.0 miles up water service road leading south from Highway 72, Deep Canyon. 1310 Comment
  UCR34964  Ericameria linearifolia L. B. Ziegler 1970-4-20 398 Riverside San Jacinto Mtns, Avery (Mission) Canyon, foothills of mtns. 503 Comment
  CAS-BOT-BC299535  Ericameria paniculata J. C. Roos 1965-11-6 s.n. Riverside Whitewater 304 Comment
  SBBG8359  Ericameria paniculata H. and M. Dearing 1939-11-11 4024 Riverside wash at W edge of Colorado Desert, just E of Banning Comment
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Jun 4 2011
  UC372841  Ericameria paniculata Marcus E. Jones, A. M. 1903-5-10 Riverside Palm Springs Comment
  UCR277797  Ericameria paniculata A. C. Sanders, Jim Malusa 2017-1-15 42667 Riverside Sonoran (Colorado) Desert, Salt Creek wash below Red Canyon confluence, north edge of Chocolate Mountains Aerial Gunnery Range, beside Summit Road 367 Comment
  CAS-BOT-BC131639  Ericameria parishii var. parishii Edmund C. Jaeger 1923-6-24 s.n. Riverside East slope of San Jacinto Mtn. 2133 Comment
  RSA674564  Erigeron foliosus Scott D. White 2000-5-31 7984 Riverside Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. 640 Comment
  RSA786089  Erigeron foliosus J. D. Olmsted 1958-6-15 190 Riverside On N Fork San Jacinto River, 1 mile above its intersection with M[iddle] Fork San Jacinto River near the Hemet-Idyllwild Road.; Mt. range: San Jacinto Mts.; drainage area: San Jacinto River. 732 Comment
  UCR174063  Erigeron foliosus A. C. Sanders 2006-5-19 32440 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCSB10378  Erigeron foliosus Haller, John 1950-5-20 Riverside Base of San Jacinto Mountains, Hemet, Idyllwild Road, opposite Cranston Ranger Station 609 Comment
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Apr 29 2011
  UC63039  Erigeron foliosus var. foliosus H. M. Hall 1901-6-1 2147 Riverside e base, along the borders of Colorado Desert; Southern California, San Jacinto Mountains, Colorado Desert Comment
  JOTR31185  Erigeron parishii La Doux, Tasha, G. Clifton 2009-5-14 1952 Riverside Joshua Tree National Park. Little San Bernardino Mountains, upper reaches of East Wide Canyon, just below Upper Covington Flats, narrow gravelly ridge 1405 Comment
  CAS-BOT-BC189088  Eriodictyon crassifolium R. Bacigalupi May ? s.n. Riverside Eagle Canon [Canyon], Colorado Desert Comment
  CLARK-A1528-540  Eriodictyon crassifolium Fred B. Essig 1967-3-23 Riverside San Jacinto River Comment
  CLARK-A1703-80  Eriodictyon crassifolium Sherri Stange 1980-5-31 Riverside Hemet 518 Comment
  LA205568  Eriodictyon crassifolium A. H. Lange; 1951-5-26 sn Riverside Palms to Pines Highway 152 Comment
  POM13818  Eriodictyon crassifolium P. A. Munz 1922-4-28 5055 Riverside Leach Canyon, Santa Ana Mts. 610 Comment
  POM3816A  Eriodictyon crassifolium N. K. Berg 1904-3-4 s.n. Riverside San Jacinto Mts. Comment
  RSA450469  Eriodictyon crassifolium J. C. Roos 1965-6-13 s.n. Riverside Palms to Pines Hwy., San Jacinto Mtns. Comment
  SEINET244776  Eriodictyon crassifolium Ian G. Gillespie, Summer Karsh 2000-5-13 41 Riverside San Jacinto Mtns.; ca 200 m up Mt. Edna Road off Hwy 243 on the northern side of the mountains. 1159 Comment
  UCSB9329  Eriodictyon crassifolium Lloyd, Robert 1960-3-23 Riverside 2 miles up Snow Canyon Road from State Rd. 111; San Jacinto Mt. Range; Colorado Desert drainage area 609 Comment
  RSA455109  Eriodictyon trichocalyx var. lanatum Christopher Davidson 1978-6-15 7385 Riverside Santa Rosa Mts. Road from Hwy 74 to Sta Rosa Mt., ca. 2 mi W of junction to Sta Rosa Spgs Campground. 2088 Comment
  UCR193406  Eriogonum A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35621 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mi. WSW of Fleming Ranch 1585 Comment
  UCR193731  Eriogonum A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35649 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 1524 Comment
  UCR13883  Eriogonum apiculatum J. Zabriskie 1973-8-16 401 Riverside Santa Rosa Mountains, Santa Rosa Mtn. 2134 Comment
  POM13103  Eriogonum davidsonii P. A. Munz, I. M. Johnston 1922-5-20 5496 Riverside Kenworthy, San Jacinto Mountains 1402 Comment
  UCSB37821  Eriogonum davidsonii Sanders, A. 1980-7-18 Riverside Thomas Mountainj Thomas Mtn. campground to the summit at the lookout; T 6S, R 3E, W1/2 sec. 28 2072 Comment
  RSA393270  Eriogonum deflexum var. deflexum N. C. Cooper 1949-4-8 3315 Riverside Desert Center. 610 Comment
  RSA393271  Eriogonum deflexum var. deflexum M. B. Dunkle 1935-4-17 4565 Riverside W. of Wiley Well. Colorado Desert. Comment
  JEPS57017  Eriogonum elongatum var. elongatum Mary Beal 1939-10-25 705 Riverside deert side of San Gorgonio Pass Mojave Desert Comment
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Mar 15 2014
  RSA597073  Eriogonum elongatum var. elongatum D. L. Banks, Lauren Raz 1996-8-29 1138 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along Arroyo Seco, N of Wildhorse Peak, before the drainage bends to the S. 549 Comment
  HSC17274  Eriogonum fasciculatum var. foliolosum D. W. Snell 1964-3-26 Riverside 1.5 mi. E of Hwy. 79, 5 mi. S of Hemet Comment
  POM49850  Eriogonum fasciculatum var. polifolium P. A. Munz, I. M. Johnston 1924-7-29 8881 Riverside Lone Oak Ranch, Banning-Idyllwild Road. 1037 Comment
  UC849413  Eriogonum fasciculatum var. polifolium Lewis S. Rose 1938-12-25 38351 Riverside 26 mi w, Palms to Pines Highway Indio; San Jacinto Mts. 1127 Comment
  UC56798  Eriogonum gracile E. A. Zumbo Oct, 1902 364 Riverside Riverside Comment
  UCSB37820  Eriogonum gracile Sanders, A. 1980-7-18 Riverside San Jacinto Mountains; Thomas Mountain; Thomas Mtn. campground to the summit at the lookout 2072 Comment
  POM153371  Eriogonum gracile var. gracile P. A. Munz, I. M. Johnston 1928-9-12 11255 Riverside Temescal Canyon. Comment
  RSA735613  Eriogonum gracile var. incultum LeRoy Gross, Duncan S. Bell 2008-9-16 3576 -b Riverside Garner Valley. West side of, and close to Highway 74. Around 1/4 mile north from Ramona trailhead parking area. 1365 Comment
  SEINET3087580 Image available Eriogonum inflatum John Adams 1965-4-17 135 Riverside Hwy 111, 2 mi. E of Palm Springs near foothills. 244 Comment
  POM230615  Eriogonum maculatum I. W. Clokey 1935-4-17 s.n. Riverside Cottonwood Springs. Comment
  JEPS56712  Eriogonum molestum Marjorie D. Clary 1932-7-4 995 Riverside Vandeventer Flats San Jacinto Mts., Vandeventer Flats 1341 Comment
  JOTR35371  Eriogonum nudum var. pauciflorum Wheeler, Mark 2011-10-20 s.n. Riverside Joshua Tree National Park. just east of Inspiration Point, localized population in canyon 1620 Comment
  RSA0097128  Eriogonum palmerianum Marc A. Baker 2015-7-6 18396 Riverside South side of the San Bernardino Mountains, 9.6 km west of Whitewater River, 3.3 km north of the San Gorgonio River. 562 Comment
  CLARK-A1528-5182  Eriogonum parishii John C. Roos 1946-8-27 2921 Riverside Santa Rosa Mountains 2194 Comment
  RSA424859A  Eriogonum reniforme M. B. Dunkle 4912 Riverside Colorado Desert, east of Indio. Comment
  RSA0119890  Eriogonum saxatile Duncan S. Bell, Thomas Stoughton 2016-4-12 9221 Riverside Santa Rosa Mountains; eastern side of Martinez Mountain; in a side canyon off of Martinez Canyon, approximately 3.5 air miles southwest of the junction of Agua Alta Canyon and Martinez Canyon. 861 Comment
  JOTR33971  Eriogonum thomasii La Doux, Tasha, M. Harding 2010-4-7 2859 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  RSA424859B  Eriogonum thomasii M. B. Dunkle 4912 Riverside Colorado Desert, east of Indio. Comment
  RSA766146  Eriogonum thomasii Donald A. Johansen, Joseph A. Ewan 1932-4-11 7082 Riverside Martinez Canyon, Santa Rosa Mts. 335 Comment
  SBBG81367  Eriogonum thomasii S. A. Junak 1983-3-23 1635 Riverside E side of Jefferson Rd across from entrance to Cahuilla Lake County Park, S of Indio Comment
  SD260122  Eriogonum thomasii J. Andre 2012-4-11 20784 Riverside Joshua Tree National Park; NW Eagle Mtns, along dirt road to Black Eagle Mine, 0.7 mi. east of road to Cotttonwood Spr (Utah Trail), 34 mi. south of Hwy 62 at 29 Palms. Interface of steep rocky hills and large wash. 729 Comment
  UC665773  Eriogonum thomasii Ira L. Wiggins 1941-3-24 9586 Riverside 1 mi n Imperial county line (e side of Salton Sea); Salton Sea Comment
  UC68585  Eriogonum trichopes L. A. Greata April 1905 389 Riverside Coachella Colorado Desert, Coachella Comment
  CAS-BOT-BC264930  Eriogonum wrightii var. membranaceum H. M. Hall 1901-7-1 2608 Riverside Strawberry Valley 1828 Comment
  OBI10923  Eriogonum wrightii var. membranaceum Louis C. Wheeler 1931-10-3 181 Riverside Strawberry Valley, San Jacinto Mts 1585 Comment
  RSA772058  Eriogonum wrightii var. nodosum Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4623 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SD48398  Eriogonum wrightii var. nodosum E. K. Balls, P. C. Everett 1957-11-13 22799 Riverside Snow Creek, n. side of valley 701 Comment
  CDA28204  Erioneuron pulchellum A. A. Beetle 1942-4-23 3186 Riverside Rt. 95, 9 miles north of Blythe. 0 Comment
  POM357972  Eriophyllum confertiflorum E. C. Jaeger 1922-7-13 s.n. Riverside Pines to Palms Trail, San Jacinto Mts. 1524 Comment
  SEINET7073391  Eriophyllum confertiflorum A. G. Vestal 1963-4-23 s.n. Riverside About 0.6 mile up Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  UCR120620  Eriophyllum confertiflorum Steve Boyd, K. A. Boyd, C. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2282 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  UCR241498  Eriophyllum confertiflorum Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 220 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  UCR251868  Eriophyllum confertiflorum 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
  UCR279389  Eriophyllum lanosum A. C. Sanders, Jim Malusa 2017-3-24 42978 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in canyon draining south toward Iris Wash, c. 3.5 km ESE of Iris Pass 735 Comment
  SEINET8687403 Image available Eriophyllum multicaule I. W. Clokey 1935-4-18 6487 Riverside Gavilan 600 Comment
  JEPS5421  Eriophyllum wallacei W. L. Jepson and H. M. Hall 1901-5-19 1272 a Riverside upper end San Jacinto River Comment
  RSA50326  Eriophyllum wallacei E. K. Balls 1949-5-4 13487 Riverside 6 miles from boundry of National forest, on Baning-Idylwild road. 1371 Comment
  UCR87145  Eriophyllum wallacei A. C. Sanders, K. C. Rose, , D. Woodard 1995-3-15 16121 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  RSA594048  Erodium botrys D. L. Banks, Elizabeth Hedge Banks 1996-5-2 920 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
  JOTR16709  Erodium cicutarium Baker, James K. & Baker, Ilisa T. 1966-6-17 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS Comment
  NY43318  Erodium cicutarium C. R. Annable 1995-3-16 2288 Riverside 4km W of Chiriaco Summit, 0.8km N of I-10 Comment
  UC1922059  Erodium cicutarium Scott D. White, Angelia Carey 2004-4-5 9984 Riverside SAN JACINTO MTN FOOTHILLS: North of Valle Vista. Indian Creek Watershed. Comment
  UCR126379  Erodium cicutarium A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 688 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR26956  Erodium cicutarium E. W. Lathrop 1966-5-8 6485 Riverside Peninsular Range; Santa Ana Mountains, Cleveland National Forest, Hagador Canyon, Trabuco District, 3 miles SW of Corona 275 Comment
  UCR104620  Erodium macrophyllum D. E. Bramlet 1993-3-30 2305 Riverside South Cajalco Bend, c. 305 m south of Cajalco Road, at a location 3.2 km east of the intersection of Cajalco Road and Sierra Avenue. c. 1.5 m east of existing Monument Peak road. 463 Comment
  UCR174066  Erodium moschatum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32619 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 591 Comment
  POM13597  Erodium texanum E. C. Jaeger 1921-3-7 24 Riverside Martinez, Salton Sink. -60 Comment
  UC1286999  Erodium texanum C. L. Hitchcock 1966-3-20 24308 Riverside about 30 mi n Ogilby (along road to Blythe) Comment
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Mar 2 2013
  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
  UCR138153  Eschscholzia californica D. L. Banks 1997-3-29 1570 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Headwaters of Pala Creek at the S extremity of the Reservation, north of the Riverside/San Diego Co. line, west of the intersection of Magee Truck Trail and Moreno Rd including a large area of vernally wet grassland at the extreme SW corner of the Reservation 409 Comment
  UCR48342  Eschscholzia californica Steve Boyd 1986-4-22 1752 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  CLARK-A1528-685  Eschscholzia minutiflora Fred B. Essig 1967-3-23 Riverside San Jacinto Mountains 914 Comment
  UCSB18762  Eschscholzia minutiflora Gates, C. 1963-5-5 Riverside State Highway 74; 5.5 miles E of Pinyon Flats Campground; western edge of Colorado Desert 883 Comment
  JOTR38680  Eschscholzia papastillii Hodges, Stephen R. 2017-2-7 696 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
  RSA0023221  Eschscholzia papastillii Barry A. Prigge 1988-2-21 7841 Riverside Colorado Desert, Orocopia Mountains: 2 miles W of Clemens Well. 229 Comment
  RSA0118594  Eschscholzia papastillii Sarah J. J. De Groot, Cheryl Sevilla 2016-3-16 7647 Riverside Mecca Hills, side road MC 093 from Little Box Canyon Road. Side canyon forking north from Little Box Canyon, east of Box Canyon. East side of Mecca Hills, east-northeast of Mecca. 281 Comment
  POM8074  Eschscholzia parishii Mary F. Spencer 1920-3-13 1608 Riverside Mecca -60 Comment
  RSA767449  Eschscholzia parishii Jim Andre, Tasha La Doux 2009-3-10 11234 Riverside Joshua Tree National Park: south end of the Cottonwood Mountains near Pinkham Wash just north of aqueduct just inside National Park boundary, approx. 7 miles west of south entrance into park at Cottonwood. 542 Comment
  UCR30052  Eschscholzia parishii A. C. Sanders 1983-4-24 3797 Riverside Sonoran (Colorado) Desert, alluvial fan at the NW end of Orocopia Mountains along Hwy 195, c. 3 miles NE of Shavers Well and 2.7 miles NE of the point where the road enters Box Canyon 367 Comment
  RSA695434  Escobaria vivipara var. alversonii Scott D. White, Michael Honer 2003-5-14 9293 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  CAS-BOT-BC334462  Eucalyptus A. C. Sanders; John F. Green 2013-3-27 40687 Riverside Peninsular Range: Alberhill, along Lake St. near the old clay mines, 1.16 km S of I-15 Fwy 388 Comment
  RSA709772  Eucalyptus A. C. Sanders 1988-5-29 7878 -B Riverside University of California, Riverside. Botanic Garden. 366 Comment
  SD152810  Eucalyptus camaldulensis Steve Boyd, Tim Ross 1992-2-21 6671 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Potrero de la Cienega area along Morgan Trail from Morrell Canyon south. 701 Comment
  UCR112493  Eucalyptus citriodora A. C. Sanders 1998-6-12 21981 Riverside Riverside, UCR campus, in gravel among trailers in 'surge area' (UCR trailer park) on east side of campus 335 Comment
  UCR113161  Eucalyptus rudis A. C. Sanders 1998-1-15 21649 Riverside Lake Skinner area, along old Rawson Rd. at N edge of Crown Valley, at crest of road where it drops into Diamond Valley 640 Comment
  SD247455  Eucalyptus tereticornis A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-3 41560 Riverside Peninsular Range Eastern Foot of the Santa Ana Mountains: Temescal Canyon NW of Horsetheif Canyon Road along DePalma Road, SE of Glen Eden Road and south of the east end of Lee (Corona) Lake, south side of I-15 (Alberhill 7.5'Q) 370 Comment
  GMDRC9808  Eulobus californicus J. M. Andre 2017-3-1 38029 Riverside Chuckwalla Bench: along Red Cloud Rd, 2.5 mi. SSE of junction Interstate 10, between Orocopia and Chuckwalla Mtns 473 Comment
  JEPS31735  Eulobus californicus W. L. Jepson May 17 1901-Jun 1 1901 1215 Riverside mesas e Riverside Comment
  SEINET10739487  Euphorbia David B. Dunn, Harold L. Lint 1948-1-25 Dunn 3635 Riverside Found near Quad 6 on the Pushawalla Canyon, Indio Hills of the Colorado Desert; west of Indio. Comment
  UCR226066  Euphorbia albomarginata A. C. Sanders, T. B. Salvato 2011-4-1 38969 Riverside Peninsular Range, Lake Elsinore, hilltop 90 m NE of intersection of Baker St. and Bunker St., 0.35 km NW of Hwy 74 401 Comment
  CDA35314  Euphorbia eriantha G. D. Barbe 1978-5-3 2377 Riverside Chuckwalla Mountains; Corn Springs Wash at end of road, 3.2 miles west of Corn Springs Campground. 0 Comment
  GMDRC3749  Euphorbia eriantha J. Andre, J. AndreT. La Doux 2009-3-1 11246 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
  SD129385  Euphorbia eriantha A. C. Sanders 1989-9-19 9499 Riverside Chocolate Mountains Aerial Gunnery Range 1.75 km (airline) south of Tabasaca Tank, along the wash abobe 'Tabasaca Target 680 Comment
  UCR5292  Euphorbia eriantha O. F. Clarke 1966-10-5 661005- 05 Riverside Sonoran (Colorado) Desert, University of Calif, Riverside Desert Research Center [= Deep Canyon] 290 Comment
  UCR256894  Euphorbia jaegeri Duncan S. Bell, Deidre Conocchioli 2014-3-18 6250 Riverside Sonoran (Colorado) Desert, Orocopia Mountains, southern/central section of range; c. 1.25 air miles NW of Gucci Spring 511 Comment
  UCR36093  Euphorbia misera R. F. Thorne, F. R. Fosberg, et al. 1983-4-23 55410 Riverside San Bernardino Mtns, Mouth of Whitewater Canyon, east of Whitewater Post Office at S end of ridge, in sandy wash east of bridge, and on base of W-facing slope of ridge 412 Comment
  UCR201604  Euphorbia polycarpa Justin M. Wood 2008-11-17 228 Riverside Southwest Perris Basin, Temecula - Murrieta Creek, downstream of 1st Street bridge 305 Comment
  UCR51952  Euphorbia polycarpa Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2100 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  UCD142740  Euphorbia polycarpa var. hirtella A. H. F. 1928-3-1 s.n. Riverside W. of Colorado Desert; Nr. Palm Springs. Comment
  OBI29470  Euphorbia setiloba David J. Keil, Melissa Luckow 1979-8-31 13154 Riverside Jctn of Box Cyn Rd and I-10 just S of exit ramp at wash crossing Comment
  UCR26189  Euphorbia setiloba John C. Roos 1947-11-1 3756 Riverside Sonoran (Colorado) Desert, Eagle Mountains, edge of Lost Palms Wash Comment
  RSA611954  Eustoma exaltatum Louis C. Wheeler 1952-12-15 7025 Riverside Riverside Mountains: 2-3 miles souith of Mountaineer Mine, north of Johnson's Camp. Shore of Alligator Slough of the Colorado River. Comment
  UCR82925  Eustoma exaltatum A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15811 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  JOTR36087  Fagonia laevis La Doux, Tasha, A. Johnson, A. Miller, T. Vaughn 2007-10-25 3314 Riverside Joshua Tree National Park. Pinto Mtn foothills, San Bernardino Wash, approx. 0.75 km south of Sunset Mine (STOP4). 475 Comment
  LA209848  Fagonia laevis Carl Epling; 1927-3-27 sn Riverside Thousand Palms Comment
  RSA0081525  Fagonia laevis Marc A. Baker, Michelle Cloud-Hughes 2014-2-16 17931 Riverside Big Maria Mountains, along the Midland-Vidal Road, 12.5km WSW of Quien Sabe Point, 33km NNW of Blythe. 337 Comment
  RSA0125088  Fagonia laevis Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8753 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting on the Martinez Slide to the north of Toro Canyon, approximately 4.5 air miles east northeast of the summit of Martinez Mountain. 230 Comment
  UCR72179  Fagonia laevis Theo Glenn 1991-5-15 91- 39 Riverside Sonoran (Colorado) Desert, Little Maria Mountains, NW of Blythe 351 Comment
  UCSB3565  Fagonia laevis Haller, John 1960-4-2 Riverside Lower slopes of Orocopia Mountains 1.5 mi S of the junc. of U.S. highway 60-70 and the S entrance road to Joshua Tree Natl. Mon. 548 Comment
  CAS-BOT-BC293741  Fagonia pachyacantha Mona Bourell 1987-4-14 3277 Riverside BLM California Conservation Area, Hwy 195, spur off of Box Canyon. Near Mecca 150 Comment
  CHSC103495  Fagonia pachyacantha Steve Boyd; Tammy Morgan, Aydee Virgen, Sarah DeGroot 2004-5-14 11237 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: 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
  UCR4569  Festuca arundinacea Frank C. Vasek 1959-7-17 590717- 06 Riverside Riverside, residential garden of F.C. Vasek, 636 Sandalwood Court 335 Comment
  UCR67398  Festuca myuros A. C. Sanders, E. Rey, D. Willick 1991-4-19 10921 Riverside Edgemont area, east of Sycamore Canyon. 0.8 mile west of Hwy I-215, on Eastridge Dr. (=Eucalyptus), just west of Pepsi Plant 466 Comment
  UCR2418  Festuca octoflora F. M. Reed 1908-4-26 2317 Riverside Riverside. Along Crestmore railroad north of Fairmount Park Comment
  UCR279237  Festuca octoflora Ginny Short 2017-3-17 002 Riverside Coachella Valley, Indio Hills, near Moon Country Trail, c. 0.8 mile west of Thousand Palms Canyon Road and 2.4 miles north of El Ramon Road 247 Comment
  UCR228838  Filago arizonica A. C. Sanders, T. B. Salvato 2011-4-27 39337 Riverside Peninsular Range, south side of Alberhill Mountain in vicinity of Durant Siding and Terra Cotta, near Nichols Rd. and extension (under construction) toward Lake St. 390 Comment
  RSA272185  Filago californica C. W. Tilforth 1978-4-30 1581 a Riverside Low, rounded hills east of Norco Comment
  UCR112979  Filago depressa B. G. Pitzer, T. Tennant 1998-2-21 3540 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10. 427 Comment
  UCR158330  Filago gallica A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30056 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
  RSA674549  Filago gallica Scott D. White 2000-5-1 7752 Riverside Corona: Western foothills of Santa Ana Mountains near Bedford Canyon. 351 Comment
  CAS-BOT-BC384201  Forestiera pubescens subsp. parvifolia B. D. Stark 1930-3-17 1486 -a Riverside Cajalco District Comment
  RSA308640  Fouquieria splendens Henry J. Ramsey, Henry J. Ramsey 1937-5-9 3209 Riverside Near Indio. Comment
  SFV6325  Fouquieria splendens T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 42 Riverside 5 miles north of Highway 111 on Highway 74. Growing adjacent to roadside. 100 Comment
  UCSB4144  Fouquieria splendens Krogen, Roger 1957-1 Riverside 4 mi. S of junction of Hwy. 195 and Hwy. 60-70 at N edge of Orocopia Mts. Comment
  SEINET6645831  Fouquieria splendens I. W. Clokey 1935-4-17 6752 Riverside Shafer Wells Comment
  RSA750122  Fouquieria splendens subsp. splendens Duncan S. Bell, Amanda Turek 2009-3-30 175 Riverside South side of the Arica Mountains, within the Palen/McCoy Wilderness area. 333 Comment
  HSC86126  Fragaria vesca Jane Hildreth 1981-6-4 17 Riverside James Reserve in the San Bernardino National Forest along Hwy. 243, San Jacinto Mtns. 1616 Comment
  RSA0018451  Frangula californica subsp. cuspidata Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38121 Riverside San Bernardino National Forest, San Jacinto Mountains.: Above and in James Reserve. 1677 Comment
  CAS-BOT-BC62969  Frangula californica subsp. tomentella Louis C. Wheeler 1931-10-4 206 Riverside Strawberry Valley, San Jacinto Mts. 1584 Comment
  PASA193  Frasera parryi J. Poole 1964-6-29 Riverside San Jacinto Mts. Comment
  SEINET13943183 Image available Fraxinus velutina A. C. Sanders, J. Goetzen 1996-1 18133 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, N of Banning; 2600-3000 ft alt., UTM 10 km cell: NH-1E, 5N Banning, 33 deg. 57' N, 116 deg. 52' W, T2S, R1E, S27 E/2 and S34 NE/4 914 Comment
  UC63829  Fraxinus velutina H. M. Hall May 17 1901-Jun 1 1901 1859 Riverside e base San Jacinto Mt. 609 Comment
  RSA430208B  Fremontodendron californicum E. Misquez 1987-4-11 s.n. Riverside Motte Reserve, west of Hwy 215, at the end of a paved and dirt road at the end of Nuevo Rd. , near the water tanks--species planted here. Comment
  RSA588190  Fremontodendron californicum subsp. californicum D. L. Banks, Victor W. Steinmann 1995-7-10 755 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Wildhorse Trail, W of lower Arroyo Seco, SE of Wildhorse Peak. Along the drainage S of the peak ''Agua''. 915 Comment
  RSA524461  Fritillaria biflora Steve Boyd, Timothy S. Ross, Laurel Arnseth, J. Bonilla 1990-4-3 4064 Riverside Vail Lake area, summit of 'Big' Oak Mountain at E end. 793 Comment
  JOTR35150  Funastrum hirtellum La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 3262 Riverside Joshua Tree National Park. West Cottonwood Mountains; bouldery side canyon leading into southeast Pinkham Wash (Stop 4) Comment
  RSA114356  Funastrum hirtellum P. C. Everett, E. K. Balls 1956-5-2 21558 Riverside in sun, in sandy wash; with Fouwuieria, Krameria, Olneya; 0.8 mi. N of juct. 60/70 along road to Eagle Mt. Pumping Sta. 366 Comment
  RSA171053  Funastrum hirtellum R. F. Thorne 1963-3-29 32430 Riverside Mouth of arroyo near Eagle Mt. Pumping Station, S side of Eagle Mts., ca. 12 miles W of Desert Center. 533 Comment
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Apr 24 2011
  LA35621  Galium andrewsii Ronald A. Cross; April 1952 - May 1952 Riverside California State Hwy. 74 near Santa Rosa Summit (aprox. 3 Mi. south) Comment
  JEPS7861  Galium angustifolium subsp. angustifolium Carl V. Meyer 1928-7-30 579 Riverside Saunder's Meadow San Jacinto Mts. 1706 Comment
  POM367707  Galium angustifolium subsp. angustifolium N. C. Cooper 1947-4-5 2102 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  RSA674659  Galium angustifolium subsp. angustifolium Scott D. White 2000-8-5 8117 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  SBBG68828  Galium angustifolium subsp. angustifolium R. Hoffmann 1929-9-7 Riverside San Jacinto Mtns Comment
  UCR151104  Galium angustifolium subsp. angustifolium Scott D. White, Julie Greene 1998-8-1 6967 Riverside Peninsular Ranges/San Jacinto Mtns region, Idyllwild Area, within residential community above/parallel to E bank of Strawberry Creek, between crossing at Circle Drive and Humber Park 1951 Comment
  GMDRC6559  Galium angustifolium subsp. jacinticum J. M. Andre 2012-6-15 30513 Riverside San Jacinto Mountains: along Hwy 243, 8.6 mi. south of Interstate 10 (Banning), just northeast of Hungry Hollow and Poppet Flat; SB Natl. Forest 1309 Comment
  RSA695500  Galium angustifolium subsp. jacinticum Valerie L. Soza, Naomi S. Fraga, Sarah Swartzentruber 2003-6-25 1696 Riverside Fuller Mill Creek just N of junction with Dark Canyon. 1494 Comment
  SD70490  Galium angustifolium subsp. jacinticum Lauramay T. Dempster, G. L. Stebbins 1966-6-18 4244 Riverside In sandy granitic soil, on southeast-facing slope, clearings and open forest. Black Mountain Road, 0.9 mile above junction of road to Pine Wood, San Jacinto Mountains 1980 Comment
  CLARK-A1528-3953  Galium parishii John C. Roos 1936-9-15 2510 Riverside San Jacinto Mountains Comment
  UCR193730  Galium porrigens A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35643 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
  RSA25486  Galium stellatum C. Leo Hitchcock 1940-3-20 5870 Riverside Cottonwood Springs. Comment
  CAS-BOT-BC217616  Galium stellatum subsp. stellatum C. L. Hitchcock 1940-3-30 5870 Riverside Cottonwood Spring Comment
  UCR244421  Galium stellatum var. eremicum Jim Andre 2012-4-16 20916 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd, 3.1 mi. north of south entrance, 4.1 mi. north of I-10 788 Comment
  RSA643292  Gamochaeta pensylvanica R. D. Goeden, D. W. Ricker 1972-5-20 s.n. Riverside Riverside: UCR Campus, outside insectary buildings near Entomology. 341 Comment
  CAS-BOT-BC178386  Garrya flavescens J. C. Roos 1966-4-23 s.n. Riverside Skyline Drive, Santa Ana Mtns., above Corona Comment
  JEPS29087  Garrya flavescens Carl V. Meyer Jun 1927 183 Riverside along Idyllwild to Tahquitz Peak trail (n slope of Tahquitz Ridge); Tahquitz Ridge 1828 Comment
  LA93407  Garrya flavescens Nancy Ryan Zabriskie; Walter Zabriskie 1972-10-22 545 Riverside Santa Rosa Mountains, by Cactus Spring Trail crossing of Horsethief Creek, trubutary to Deep Canyon, N slope of mountains (Site 13) 1097 Comment
  RSA358587  Garrya flavescens Larry E. DeBuhr 1972-3-24 530 Riverside Santa Rosa Mts. San Bernardino National Forest. Along forest road 7S02 2195 Comment
  RSA97228  Garrya flavescens var. pallida F. W. Peirson 1921-3-21 4464 Riverside Gordon trail from Andreas Canyon, San Jacinto Mts. 1524 Comment
  CAS-BOT-BC192125  Garrya fremontii H. M. Hall 1901-7-1 2452 Riverside Tahquitz [Tanquitz] Valley, San Jacinto Mt. 2133 Comment
  POM355346  Gayophytum diffusum subsp. parviflorum M. B. Dunkle 1933-7-19 3691 Riverside Tahquitz Ridge. San Jacinto Mountains. 2530 Comment
  SEINET10969634  Gayophytum nuttallii David B. Dunn 1946-8-18 Dunn 2750 Riverside Wellman. Sieniga springs on trail. Peek. San jacinto mts. Comment
  CAS-BOT-BC303567  Geraea canescens K. Larson 1977-5-12 2290 Riverside Ford Dry Lake ca 25 miles W Blythe 152 Comment
  CAS-BOT-BC303579  Geraea canescens Ira L. Wiggins 1941-3-24 9570 Riverside 0.3 mile S of Myoma, 4.6 miles N of Indio Comment
  POM358679  Geraea canescens M. B. Dunkle 1935-4-17 4553 Riverside W. of Wiley Well. Colorado Desert. Comment
  UC809707  Geraea canescens E. K. Balls 1949-4-2 12891 Riverside on Hwy 60 20 mi from Whitewater; Colorado Desert 121 Comment
  UCR251907  Geraea canescens Jim Andre 2013-3-27 24832 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
  RSA0112033  Gilia A. C. Sanders, J. C. Dice, K. C. Rose, D. Woodard 1995-3-29 16244 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert: San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village. E side of Snow Cr. Rd., toward the north. 335 Comment
  RSA271888  Gilia angelensis C. W. Tilforth 1978-4-30 1569 Riverside Low rounded hills east of Norco. Comment
  RSA470133  Gilia angelensis Ora M. Clark 1929-3-16 1688 Riverside South of Cabazon. Comment
  RSA495817  Gilia angelensis Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2927 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  SEINET7073305  Gilia angelensis A. G. Vestal 1963-4-27 s.n. Riverside Santa Gertrudis Wash southeast of Murrieta Hot Springs. Coordinate datum: NAD27. Comment
  UC1228382  Gilia angelensis C. L. Hitchcock and C. V. Muhlick 1962-3-16 22127 Riverside 8 mi s Corona; Temescal Canyon Comment
  UCR85322  Gilia angelensis A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16171 Riverside Coachella Valley/San Jacinto Mtns foothills, Coachella Valley: N-facing rocky slope in Chino Canyon along the Palm Springs tram road, 2 mi above Hwy 111 (Palm Canyon Dr.) 612 Comment
  UCSB69522  Gilia angelensis White, Scott 2005-3-29 Riverside San Gorgonio Pass: Cabazon; west of San Gorgonio river and south of I-10 Freeway; west of existing gravel quarry, likely to be proposed for quarry expansion 590 Comment
  POM10417  Gilia capitata subsp. abrotanifolia Charlotte M. Wilder 1907-4-6 s.n. Riverside Whitewater Ranch Comment
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Nov 30 2009
  SBBG101644  Gilia capitata subsp. abrotanifolia S. Boyd with L. Arnseth, Y. Rasmussen, H. Cota 1990-5-3 4530 Riverside Vail Lake area at jct of Hwy R3 and Powerline Rd, NE of the lake Comment
  SJSU11613  Gilia capitata subsp. abrotanifolia N. D. Addy 1962-4-16 Riverside Hwy 71 5 mi SE of Alberhill Comment
  RSA171358  Gilia diegensis J. D. Olmsted 1962-5-3 3530 Riverside Santa Rosa Indian Reservation, following SW flank of mountains; 1/2 mi. SE of turn up to old Indian Village. 1768 Comment
  RSA72315  Gilia diegensis F. W. Peirson 1922-5-21 4137 Riverside Along east side of Hemet Valley 1357 Comment
  RSA769766  Gilia diegensis Duncan S. Bell, Valentin Arvizu 2010-5-10 988 Riverside San Bernardino National Forest: Garner Valley, approximately 1.1 air mile southeast of junction of forest service road 6S13 and forest service road 6S04. 1349 Comment
  UCR237213  Gilia diegensis Duncan S. Bell, Valentin Arvizu 2010-5-10 988 Riverside San Jacinto Mountains, San Bernardino National Forest, Garner Valley, c. 1.1 air mi southeast of junction of FS Road 6S13 and FS Road 6S04 1349 Comment
  UC23841  Gilia latiflora subsp. davyi Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  SEINET7063564  Gilia leptomeria A. G. Vestal 1947-4-8 s.n. Riverside About 6.8 miles south on Route 3. UTM Zone 11, 509589mE, 3707060mN. (WGS84/NAD83). 610 Comment
  CAS-BOT-BC407611  Gilia ochroleuca subsp. exilis M. Bourell; R. Patterson; S. Timbrook 1986-4-7 2953 Riverside Temescal Canyon Rd., ca. 1 mile SE of Glenn Ivy Hotsprings Rd., ca. 200 m from RR overpass. 259 Comment
  CAS-BOT-BC407612  Gilia ochroleuca subsp. exilis Robert F. Thorne; F. R. Fosberg; M. Sachetti 1983-4-23 55471 Riverside San Bernardino Mts: Side-canyon on W side of Whitewater canyon, ca 3.3 mi N of Whitewater Post Office 624 Comment
  POM65959  Gilia ochroleuca subsp. exilis H. M. Hall 1902-04 2912 Riverside Vicinity of Winchester 457 Comment
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Mar 20 2011
  UC908023  Gilia ochroleuca subsp. exilis Herbert L. Mason 1926-4-30 3112 Riverside 1 mi s Temecula; Temecula Canyon, s of Temecula Comment
  UCR281257  Gilia ochroleuca subsp. exilis Mitch Provance, Jeremiah George 2017-3-23 317- 63 Riverside Temescal Valley, Indian Wash, NE of I-15 and S of Temescal Canyon Rd. 351 Comment
  CAS-BOT-BC407620  Gilia ochroleuca subsp. exilis Frank W. Peirson 1919-4-15 921 Riverside Whitewater Grade above Cabazon Comment
  RSA0017105  Gilia ochroleuca subsp. exilis Verne Grant, Alva Grant 1951-7-22 16107 Riverside 1 mi. N of Fulmor Lake on road from Idyllwild to Banning 1372 Comment
  RSA0107456  Gilia scopulorum Duncan S. Bell, Amanda Turek 2010-4-9 784 Riverside East side of the Arica Mountains, near the center of the range; approx. 1.75 air mile west of Priest Well. 485 Comment
  RSA709878  Gilia stellata Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4623 -a Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UCR213265  Gilia stellata A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37449 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  UCR279333  Gilia stellata A. C. Sanders, Jim Malusa 2017-3-23 42938 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 3 miles east of Iris Pass 854 Comment
  POM12085  Glycyrrhiza lepidota Mary F. Spencer 1734 Riverside Canyon near San Jacinto Comment
  POM17942  Gnaphalium californicum P. A. Munz 1923-6-14 7113 Riverside Glen Ivy Trail to Santiago Peak. 1159 Comment
  UCR231742  Gnaphalium californicum John F. Green 2008-4-23 08- 13 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  UCR263237  Gnaphalium palustre A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41453 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  UCR34920  Gnaphalium palustre L. B. Ziegler 1969-6-10 379 Riverside San Jacinto Mtns., Hemet Valley (= Garner Valley) 1433 Comment
  SBBG108085  Grayia spinosa C. Bornstein 1994-5-2 Riverside Randolph Ranch, Joshua Tree Nat Monument 1280 Comment
  RSA496370  Guillenia lasiophylla Steve Boyd, L. Arnseth, Timothy S. Ross 1989-3-19 3044 Riverside Vail Lake area, 0.75 mi NW of dam, S flank Oak Mountain. 621 Comment
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Sep 19 2010
  CAS-BOT-BC304632  Gutierrezia californica A. C. Sanders 2004-6-30 28384 B Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, large rockky hill (1762 ft.) 1 mi. E of Murrieta Rd. and 1 mi. N of Bundy Canyon Rd., ca. 5 miles due south of Sun City 518 Comment
  UC1213974  Gutierrezia microcephala Otto T. Solbrig 1958-8-1 2807 Riverside Morongo Valley Riverside/San Bernardino County line; data in packet says It grows in the canyons and more rocky places. Not in low elevations. Comment
  CLARK-A1528-5518  Haplopappus squarrosus John C. Roos 1965-10-7 Riverside Comment
  RSA0066618  Harpagonella palmeri Scott D. White 2001-4-19 8381 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
  SEINET3242789 Image available Harpagonella palmeri D. Bramlet 1993-1 2301 Riverside Siegal Ranch Road approximately 120 m south of Cajalco Road and 1 km east of the intersection of Cajalco Rd. and Sierra Ave. The site was located some 180 m west of Siegal Ranch Road. Comment
  UCR217556  Harpagonella palmeri Jeff B. Galvin 2009-3-12 78 Riverside Peninsular Ranges, Gavilan Plateau, Lake Mattews, 1.5 km south of Cajalco Rd. and .35 km east of old groves 451 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
  RSA192326  Hazardia squarrosa var. grindelioides E. W. Lathrop 1966-9-14 6893 Riverside 3 miles SW of Murrieta. Comment
  UCR116592  Hedypnois cretica A. C. Sanders, T. B. Salvato 2001-5-24 24367 Riverside Perris-Aguanga Basin, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. [Calle] Pina Colada 345 Comment
  UCR9266  Helianthemum scoparium O. F. Clarke 1969-10-25 s.n. Riverside San Jacinto Mtns, Along Banning- Idyllwild Rd. near the Poppet Flats turnoff 1280 Comment
  RSA609927  Helianthemum scoparium var. scoparium R. S. Woglum 1937-5-22 521 Riverside Peninsular Ranges: Northwest of the Palomar Mountains, Temecula. Comment
  RSA678926  Helianthemum scoparium var. scoparium Scott D. White, Michael Honer 2003-6-3 9469 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  RSA0045287  Helianthus annuus subsp. lenticularis Margaret Murphy 1983-5-15 0024 -C Riverside Dry river wash located in the north section of parcel 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  UCR133327  Helianthus gracilentus 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
  UCR260523  Helianthus gracilentus T. B. Salvato 2014-5-29 8047 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully, c. 1.13 mi west of Murrieta Rd and 4.10 mi southeast of Canyon Lake 537 Comment
  SEINET959641  Heliotropium curassavicum A. C. Sanders 2004-1 28404 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, large rocky hill (1762 ft) 1 mi. E of Nurrieta Rd. and 1 mi. N of Burdy Canyon Rd,. ca. 5 mile due south of Sun City (Romoland 7.5) 469 Comment
  UC1063900  Heliotropium curassavicum H. S. Yates 1936-4-8 5452 Riverside 5 mi. s.e. Coachella; Thermal Quad. Comment
  CLARK-A1656-888  Heliotropium curassavicum subsp. oculatum Jim Cornett 1977-7-10 Riverside Thermal 0 Comment
  CSUSB742  Heliotropium curassavicum var. oculatum Heather Johnston 1967-5-16 Riverside Salton Sea State Park Salton Sea State Park, 0.9 miles south of entrance. Creek crossing Highway 111 -45 Comment
  RSA192192  Hemizonia fasciculata E. W. Lathrop 1966-5-15 6313 Riverside 3 miles SE of Murrieta on the De Luz Road. Comment
  UCR121682  Hemizonia fasciculata Ian G. Gillespie, Abby Sirulnik 2000-5-7 32 Riverside Temescal Valley, 0.9 mi SE of Indian Truck Trail and 40 m SW of DePalma Road, directly across from Corona Lake 396 Comment
  UCR200998  Hemizonia mohavensis Justin M. Wood, Scott D. White, Brandy Ulrich 2008-7-15 023 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
  UCR88741  Hemizonia mohavensis Jeri Hirshberg 1995-9-13 s.n. Riverside San Jacinto Mtns., seeps and drainages at the edge of the road to Hungry Hollow from Hwy 243, c. 0.75 mi SSE of Poppet Flat Rd. jct w/ 243, c. 1 mi east of Poppet Flat 1220 Comment
  RSA597061  Hemizonia paniculata D. L. Banks, Lauren Raz 1996-11-5 1156 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, S of San Gabriel Church; Along a newly established firebreak along a NW-SE running ridgeline, near the water tank. 402 Comment
  UCR137601  Hemizonia paniculata John F. Green 2004-7-6 s.n. Riverside Santa Ana River Valley, north end of Payton Ave., Riverside, near natural gas pipeline facility, above Santa Ana River 229 Comment
  RSA722927  Hemizonia pungens subsp. laevis R. E. Riefner Jr., K. Campbell 2007-5-19 07 -209 Riverside Temecula, Western Bypass Rd near Hwy 79; end of Western Bypass Rd at Murrieta Creek. 309 Comment
  UCR213883  Hemizonia pungens subsp. laevis Scott D. White 2009-8-10 13351 Riverside Temecula Valley, city of Temecula, west bank of Murrieta Creek, from Rancho California Road to Cherry Street 313 Comment
  RSA735944  Herniaria hirsuta subsp. cinerea Scott D. White, Justin Wood 2008-6-13 12103 Riverside Beaumont Badlands: San Timoteo Canyon, near El Casco Lake (private pond) E of the road. 579 Comment
  RSA124445  Hesperocallis undulata Percy C. Everett, E. K. Balls 1958-4-29 23027 Riverside 5.4 miles NE along road to Rice and Vidal Junction from Desert Center. 259 Comment
  UCR214566  Hesperocallis undulata A. C. Sanders 2010-3-15 37406 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
  RSA359882  Hesperocnide tenella Steve D. Boyd 1986-4-2 1598 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  RSA559362  Heterocodon rariflorum Steve Boyd, Timothy S. Ross, Dave Bramlet 1993-5-13 7380 -B Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approx. 1 mile 412 Comment
  UCR260526  Heteromeles arbutifolia T. B. Salvato 2014-5-29 8044 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully, c. 1.13 mi west of Murrieta Rd and 4.10 mi southeast of Canyon Lake 537 Comment
  UCR176668  Heterotheca grandiflora G. S. Nuessly 1980-11-11 s.n. Riverside Riverside: U.C. Riverside campus, near Health Center 351 Comment
  POM153366  Heterotheca sessiliflora subsp. echioides P. A. Munz, I. M. Johnston 1928-9-12 11249 Riverside Temescal Canyon. Comment
  RSA479918  Heterotheca sessiliflora subsp. echioides Steve Boyd 1987-9-27 2091 Riverside Peninsular Range Temescal Canyon south of Corona; area between confluence of Indian and Horsethief washes and Temescal Creek. 366 Comment
  LA205887  Hibiscus denudatus Norman C. Cooper; 1944-4-8 1072 Riverside Andreas Canyon 304 Comment
  RSA567648  Hibiscus denudatus A. C. Sanders, E. J. Lawlor 1992-4-4 12093 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  JEPS36587  Hieracium horridum Carl V. Meyer 1928-7-31 610 Riverside Summit of Tahquitz Peak San Jacinto Mts., Summit of Tahquitz Peak 2682 Comment
  RSA801715  Hoffmannseggia densiflora Keith E. Hoffmaster 1937-6-6 814 Riverside Desert end Palms to Pines road. Comment
  UC864216  Hoffmannseggia glauca J. Francis Macbride and Francis Drouet 1941-10-14 4470 Riverside just w Desert Center 274 Comment
  CAS-BOT-BC207565  Hoffmannseggia microphylla Marcus E. Jones 1924-2-26 s.n. Riverside Shaver's Well, Colo Desert Comment
  SD174895  Hoffmannseggia microphylla Mark A. Elvin 2005-4-26 4229 Riverside Northern Sonoran Desert: Coachella Valley/Indio Hills; N of I-10. 198 Comment
  CAS-BOT-BC174241  Hordeum depressum A. C. Sanders; T. B. Salvato 2011-3-30 38892 Riverside Peninsular Range; Elsinore Trough: city of Lake Elsinore, Baker St. c. 100 m NW of Hwy 74/Riverside Dr. 381 Comment
  UCR103749  Hordeum depressum D. E. Bramlet 1993-3-30 2302 Riverside Siegal Ranch Road approximately 60 m south of Cajalco Road and 976 m east of the intersection of Cajalco Road and Sierra Avenue, 2 m west of Siegal Ranch Road 427 Comment
  UCR211707  Hordeum depressum Fred M. Roberts, Michelle Balk 2006-5-2 6328 Riverside San Jacinto Valley, Hemet, Stoney Mountain Preserve, 1.0 km north of the summit of Tres Cerritos Hills and 0.4 km southeast of the junction of Warren Road and Esplanade Road 458 Comment
  UCR225736  Hordeum depressum A. C. Sanders, T. B. Salvato 2011-3-30 38892 Riverside Peninsular Range; Elsinore Trough, city of Lake Elsinore, Baker St. c. 100 m NW of Hwy 74/Riverside Dr. 381 Comment
  CLARK-A1528-65  Hordeum hystrix C. M. Flanagan 1973-5-20 OO 522 Riverside Morongo Indian Reservation Comment
  RSA0080440  Hordeum intercedens D. E. Bramlet 2005-3-2 3657 Riverside west of Hemet, east of San Diego Canal, west of Warren Rd., south of Hwy 74, north of W Stetson Ave. 457 Comment
  UCR266309  Hordeum intercedens D. E. Bramlet, Jeff Crain 2009-5-18 4385 Riverside Perris-Aguanga Basin Region, north of Nuevo, San Jacinto River floodplain, at the end of 11th St., 150 m east of the river 432 Comment
  UCR97284  Hordeum intercedens Scott D. White 1993-4-30 1315 a Riverside San Jacinto Valley, Near intersection of Warren Rd. and Stetson Ave. 458 Comment
  UCR99328  Hordeum intercedens D. E. Bramlet 1996-4-18 2456 Riverside Perris-Aguanga Basin region, San Jacinto Wildlife area, c. 762 m NE of Lakeview, 122 m east of Davis Rd. and 40 m north of Marvin Rd 434 Comment
  UCR124332  Hordeum murinum Steve Boyd 1980-5-5 210 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  POM13652  Horkelia clevelandii Philip A. Munz 1922-6-23 5766 Riverside Keen Camp, San Jacinto Mountains. 1524 Comment
  RSA0054880  Hugelia filifolia Keith E. Hoffmaster 1937-6-6 757 Riverside Near Valle Vista, Hemet Valley. Comment
  CAS-BOT-BC311950  Hulsea heterochroma Elizabeth Daniels; Josephine Bates 1932-5-28 s.n. Riverside Idyllwild, San Jacinto Mountains 1524 Comment
  POM360725  Hulsea vestita subsp. callicarpha Anonymous 1949-6-29 s.n. Riverside San Jacitno Mt. Above Banning 1220 Comment
  UCR92447  Hydrocotyle ranunculoides A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18113 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  CAS-BOT-BC219735  Hyptis emoryi M. Bourell; R. Patterson 1987-4-14 3268 Riverside Spur N of Box Canyon Hwy 195, BLM Conservation Area 150 Comment
  JEPS63229  Hyptis emoryi Marjorie Clary 1934-3-3 Riverside w Indio Mtn. (18 mi w of Indio, Carrizo Canyon); w of Indio Mtn., Carrizo Canyon 304 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
  UCR123825  Hyptis emoryi Steven R. Hill 2001-5-3 33650 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 1.0-1.5 mi SW of Calif. Hwy 111, Palm Springs.Boundary of Palm Springs Aerial Tramway property, at entrance gate 610 Comment
  UCR275512  Hyptis emoryi D. E. Bramlet 2010-3-1 4456 Riverside Sonoran (Colorado) Desert, West Berdoo Canyon, Little San Bernardino Mtns., c. 6 air miles north of Indio 366 Comment
  UCR52026  Hyptis emoryi Steve Boyd, S. Meury, , Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2102 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  UCSB12882  Hyptis emoryi Breedlove, Dennis 1962-3-11 Riverside Cat Creek, 3 miles southwest of Palm Desert 426 Comment
  SBBG62883  Isocoma acradenia M. N. Ackley 1928-4-2 Riverside Coral Reef Ranch, Coachella Valley -13 Comment
  RSA5584  Isocoma acradenia var. eremophila C. B. Wolf 1932-10-13 4319 Riverside 4 1/2 miles S.E. of Mecca. -61 Comment
  RSA770794  Isocoma acradenia var. eremophila Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4534 -a Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  CHSC83701  Isomeris arborea John Dittes 2002-1-4 2 -45 Riverside Mojave Desert; Little San Bernardino Mountains, ca. 6.5 air-miles north of Indio. In wash on bajada of West Berdoo Canyon, northwest of Berdoo Canyon 4WD trail. 243 Comment
  UC424864  Isomeris arborea Milo S. Baker Apr 3 1928-Apr 4 1928 2785 a Riverside Palm Canyon Comment
  UCR234279  Iva axillaris A. C. Sanders, T. B. Salvato 2012-4-27 40096 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy/I-15 and Indian Truck Trail, c. 500 m SE of El Hermano Rd. 325 Comment
  UCR260595  Iva axillaris A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-3 41555 Riverside Peninsular Range, Eastern Foot of the Santa Ana Mtns., Temescal Valley along DePalma Rd., in side canyon between Horsethief Canyon and Glen Eden, just SE of dirt road to revegetation plots, south of I-15 and the east end of Lee (Corona) Lake 367 Comment
  UC217953  Iva axillaris subsp. robustior P. A. Munz 1922-7-3 5946 Riverside Vandeventer Flat; San Jacinto Mts. 1371 Comment
  UCR127580  Juglans californica D. E. Bramlet 2003-5-28 3454 Riverside San Gorgonio wash, along dirt road to MWD tailings site, 1768m south of Cabazon, and 762m north of the Colorado aqueduct 545 Comment
  CAS-BOT-BC413813  Juglans hindsii R. E. Riefner, Jr. 2014-10-1 14 -364 Riverside City of Lake Elsinore, S of Lincoln St., W of Hwy. 74 at Flannery St. 402 Comment
  UCR264609  Juncus Mitch Provance 2012-11-9 1112- 4 Riverside Colorado Desert, Whitewater, near corner of Whitewater cutoff Rd. and Painted Hills Rd., about 0.1 miles N of Interstate 10 405 Comment
  JOTR35138  Juncus acutus subsp. leopoldii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3249 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
  RSA543622  Juncus bufonius Steve Boyd 1991-5-7 6157 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  RSA560846  Juncus bufonius Steve Boyd, Timothy S. Ross 1992-5-4 7177 -A Riverside Southern Santa Ana Mountains., San Mateo Canyon Wilderness Area. Oak Flats area E of Verdugo Potrero. 732 Comment
  UC1601697  Juncus bufonius H. M. Hall Jun 1901 2076 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1402 Comment
  UCR170124  Juncus bufonius Jeffrey Ross, Sam Lau, Jenny Phui 1998-5-31 103 Riverside San Bernardino Mtns. region, Morongo Indian Reservation; Lion Canyon 756 Comment
  JOTR32467  Juncus bufonius var. bufonius La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2612 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  RSA500554  Juncus bufonius var. occidentalis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3594 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  UCR272134  Juncus cooperi Duncan S. Bell 2015-8-12 8592 Riverside Colorado (Sonoran) Desert, southwestern section of the Orocopia mountains, spring in the southern section of the Dos Palmas area -41 Comment
  UCR178157  Juncus dubius John F. Green, M. D. Wilcox 2003-7-15 s.n. Riverside San Jacinto Mtns., on powerline trail, picnic area at Juan Diego Flats, NW of Cahuilla Mountain 1220 Comment
  SEINET6059809  Juncus effusus Scott D. White 1998-7-31 6957 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  UC146411  Juncus longistylis Charlotte M. Wilder 1909-7-11 909 Riverside trail to Round Valley above Log cabin San Jacinto Mts. Comment
  UC842923  Juncus mexicanus P. A. Munz 1922-6-23 5775 Riverside Hemet Valley San Jacinto Mts. 1371 Comment
  RSA575972  Juncus rugulosus Steve Boyd 1981-1-25 s.n. Riverside Gavilan Hills region, south flank of the range in Arroyo del Toro. Bull Canyon Road. Comment
  RSA33306  Juniperus californica N. C. Cooper 1943-9-11 911 Riverside Palms to Pines Hwy. 1219 Comment
  UCSB15610  Juniperus californica Holmes, John 1963-5-5 Riverside Along California Highway 74 at Pinyon Flats Campground, 16.3 miles west of Junction with California Highway 111 1219 Comment
  CAS-BOT-BC234587  Justicia californica D. E. Breedlove 1962-3-11 1879 Riverside On rocky bank of Cat Creek, 3 miles southwest of Palm Desert 426 Comment
  RSA402302  Justicia californica A. Menke 1955-4-25 s.n. Riverside Mouth of Tahquitz Canyon, Palm Springs. Comment
  UC1051454  Justicia californica Herbert L. Mason 1952-4-7 14212 Riverside Palm Canyon Comment
  UCR26300  Justicia californica John C. Roos, Lucille Roos 1949-4-11 4233 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Corn Spring Comment
  UCSB16170  Justicia californica Barrick, Linda 1963-5-5 Riverside East side of California Highway 74, 3 miles south of Palm Desert 91 Comment
  RSA648667  Kallstroemia californica J. C. Roos 1963-10-24 s.n. Riverside Hayfields, Colorado Desert. Comment
  CLARK-A1528-854  Keckiella antirrhinoides Robin Maetche, Geoffrey Matthews, Jim Hearne 1971-5-15 Riverside Elsinore Comment
  RSA771102  Keckiella antirrhinoides Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4716 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
  UC1424846  Keckiella antirrhinoides J. Sauer and R. Minnich 1977-4-7 5960 Riverside near Hemet; North Fork of San Jacinto Canyon 609 Comment
  UCR248185  Keckiella antirrhinoides David J. Keil 1983-4-15 16899 Riverside east of Temecula on SR 79 Comment
  CAS-BOT-BC235497  Keckiella antirrhinoides I. W. Clokey; E. G. Anderson 1936-4-16 6885 Riverside Along San Jacinto River, East of Hemet 600 Comment
  RSA586103  Keckiella antirrhinoides var. antirrhinoides D. L. Banks, Steve D. Boyd 1995-4-5 143 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of Dripping Springs Alcove, W of the Dripping Springs Trail. 646 Comment
  UCR20710  Keckiella antirrhinoides var. antirrhinoides A. C. Sanders, Steve Boyd 1980-5-2 1444 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  RSA543938  Keckiella cordifolia Steve D. Boyd 1991-5-10 6216 Riverside Santa Ana Mountains, base of range, just N of mouth of Hagador Cyn at bottom of Skyline Drive. 427 Comment
  RSA787991  Keckiella cordifolia Linda M. Prince, Duncan S. Bell 2009-6-17 577 Riverside Cleveland National Forest. Comment
  POM21136  Keckiella rothrockii subsp. jacintensis Fordyce Griffiths Jr. 1908-07 s.n. Riverside Tahquitz Valley 2439 Comment
  UCR26445  Kochia scoparia A. C. Sanders 1981-9-13 2344 Riverside 3 mi NW of San Jacinto on Sanderson Ave., south of the Ramona Expressway Comment
  POM263183  Koeleria macrantha J. C. Roos 1937-5-10 457 Riverside South of Lake Elsinore Comment
  CAS-BOT-BC273673  Koeleria pyramidata H. M. Hall 1901-6-1 2376 Riverside San Jacinto Mountains. In the vicinity of Strawberry Valley 1828 Comment
  SD216488  Krameria bicolor Jay B. Walker 1995-5-4 1417 Riverside San Bernardino National Forest. Highway 74, 3 kilometers east of junction with Santa Rosa Mountain Road. 1399 Comment
  JEPS99420  Krameria erecta D. H. Wilken, G. A. Wilken 1997-11-1 15375 Riverside Tributary of San Bernardino Wash, 0.3 km sw of Gold Crown Rd, sw slope of Pinto Mtns. Mojave Desert 605 Comment
  JOTR32602  Krameria erecta La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2668 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary Comment
  JEPS64826  Krameria grayi W. L. Jepson 1912-10-28 5238 Riverside near Riverside Mts. (<Botanical Expedition along the Colorado River Needles to Yuma..>); Colorado River, near Riverside Mts. 91 Comment
  CAS-BOT-BC340717  Laennecia coulteri S. B. Parish 1912-10-12 8356 Riverside Salton Basin. Mecca -57 Comment
  SD260902  Laennecia coulteri Andrew C. Sanders, Karen Kirtland 2016-9-23 42626 Riverside San Jacinto Valley: edge of Mystic Lake at duck hunting ponds below abandoned dairy south of Gilman Springs Rd between Jack Rabbit Tr. and Eden Hot Springs Rd. (El Casco 7.5'Q) 434 Comment
  UC87469  Laennecia coulteri T. S. Brandegee 1901-3-28 Riverside Indian Wells Colorado Desert, Indian Wells Comment
  RSA192323  Lagophylla ramosissima E. W. Lathrop 1966-9-14 6584 Riverside 3 miles SW of Murrieta. Comment
  UCR175181  Langloisia matthewsii Jim Andre 2006-4-26 6758 Riverside South Mojave Desert, Joshua Tree National Park: Long Canyon, c. 2.3 mi south of the NE corner (boundary) of the park 1056 Comment
  IRVC28837  Larrea tridentata Mark A. Elvin 2005-4-25 4222 Riverside Coachella Valley; N of Palm Springs; N of I10; S of Dillan Road; E of Indian Avenue. Northern Sonoran Desert 244 Comment
  RSA0070269  Larrea tridentata Cheryl Sevilla, Sarah J. De Groot 2015-3-16 20 Riverside Transverse Ranges; San Bernardino Mountains region: San Gorgornio Wilderness Area; on the plain to the east of Mission Creek; 0.4 miles northwest of the Stone House. 784 Comment
  RSA188722  Larrea tridentata H. U. Stauffer, Robert F. Thorne 1964-5-5 5923 Riverside 6.5 km south of Morongo Valley, 4.8 km south of County border. 550 Comment
  RSA390028  Larrea tridentata Geo. Cantwell 1935-4-10 s.n. Riverside Dos Palmas Springs, Salton Sea. Comment
  RSA559323  Lastarriaea coriacea Steve Boyd, Tim S. Ross, Dave Bramlet 1993-5-13 7364 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Los Alamos Canyon at mouth of Wildhorse Canyon. 412 Comment
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Mar 24 2013
  SD186286  Lastarriaea coriacea Andy C. Sanders 2003-5-8 26576 Riverside Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Alamos Rd and E of the creek 395 Comment
  UC1563033  Lastarriaea coriacea Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-31 3093 Riverside w of Woodchuck Road (s of Highway 79, Kolb Creek drainage); Vail Lake Area 487 Comment
  CAS-BOT-BC338930  Lasthenia californica Robert F. Thorne; E. Lathrop; O. Clark; S. Carlquist 1968-4-18 37443 Riverside Santa Rosa Plateau: Mesa de Colorado 670 Comment
  UC1979559  Lasthenia californica Darin L. Banks, Steve Boyd 1995-5-3 288 Riverside 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. Comment
  RSA33555  Lasthenia coronaria N. C. Cooper 1944-3-25 997 Riverside Cabazon. 457 Comment
  SBBG55772  Lasthenia coronaria D. Keil, M. McLeod 1977-3-26 12010 -1 Riverside Hwy 71, 8 mi NW of Lake Elsinore St Recreation area 365 Comment
  UC1746480  Lasthenia coronaria A. C. Sanders 1995-4-13 16510 Riverside Devils Garden; San Bernardino Mtns.; Colorado Desert 701 Comment
  UC217965  Lasthenia coronaria P. A. Munz and I. M. Johnston 1922-5-19 5349 Riverside 5 mi ne of Murietta 457 Comment
  UCR177830  Lasthenia coronaria 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 1098 Comment
  UCR214571  Lasthenia coronaria A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37852 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.8 mi. north (09 deg. ) of intersection of I-15 and Lake St. 482 Comment
  UCR162885  Lasthenia glabrata subsp. coulteri Fred M. Roberts 2005-3-3 6134 Riverside San Jacinto Valley, San Jacinto, south side of Ramona Expressway, 0.6km E jct Warren Rd 447 Comment
  RSA356712  Lasthenia gracilis R. F. Thorne 1975-5-20 45512 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro; Santa Ana Mountains 610 Comment
  RSA563905  Lasthenia gracilis A. C. Sanders 1993-4-5 13694 Riverside Western edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74). 460 Comment
  RSA769763  Lasthenia gracilis Duncan S. Bell, Valentin Arvizu 2010-5-10 985 Riverside San Bernardino National Forest: Garner Valley, approximately 1.4 air miles southeast of junction of forest service road 6S13 and forest service road 6S04. 1365 Comment
  UCD133817  Lasthenia gracilis R. N. Raynor 1933-3-31 s.n. Riverside Moreno Valley. Comment
  RSA602648  Lathyrus latifolius Scott D. White 1996-8-16 4487 Riverside Idyllwild area: SW of Pine Cove and W of Bear Trap Canyon, in watershed above Alvin Meadows (tributary to Toll Rd. Canyon). 1707 Comment
  RSA406642  Lathyrus vestitus subsp. alefeldii N. C. Cooper 1945-5-24 1637 Riverside Big Oaks Canyon, Banning. 1219 Comment
  CDA6769  Laurentia fluviatilis A. C. Sanders 2004-2-14 27388 Riverside Riverside, 11th St. between Almond and Chestnut Comment
  JOTR33966  Layia glandulosa La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2852 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
  POM361633  Layia glandulosa Christopher Davidson 1973-4-19 1990 Riverside Joshua tree Natl. Monument, various sites along the road, 1-10 miles s of Joshua tree 1220 Comment
  POM361636  Layia glandulosa N. C. Cooper 1944-5-21 1242 Riverside San Jacinto Mountains, West side 915 Comment
  CAS-BOT-BC379664  Layia platyglossa A. C. Sanders; G. Waines; B. Ehdaie; A. Aryavand 1997-3-12 19880 Riverside Lake Skinner area; lower Rawson Canyon, NE of the lake and SW of Black Mtn., along the road. 518 Comment
  UCR182347  Layia platyglossa Mitch Provance 2005-5-17 6551 A Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  UCSB18487  Layia platyglossa Smalley, G. 1964-5-9 Riverside State Highway 74, 4.3 miles S from Idyllwild 1371 Comment
  RSA190628  Layia ziegleri L. B. Ziegler 1966-6-10 s.n. Riverside Between Mountain Center and Keen Camp Summit, San Jacinto Mts. 1448 Comment
  RSA741206  Layia ziegleri Scott D. White, Justin M. Wood 2008-5-15 11961 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. 1357 Comment
  CAS-BOT-BC274339  Leersia oryzoides A. C. Sanders; O. F. Clarke; C. N. P. S. field trip 1991-10-5 11740 Riverside Riverside, Fairmont Park. Along Spring Brook between Lake Evans and the Santa Ana River, ca. 50-100 m below the lake Comment
  RSA231128  Lepechinia cardiophylla Dick Potter 1970-8-1 s.n. Riverside ca. 20 mi. SSE of Corona on Horsethief trail in vicinity of Main Divide Rd. 1220 Comment
  CAS-BOT-BC88684  Lepidium acutidens John Thomas Howell 1930-5-10 4783 Riverside 1 mile south of Perris. Comment
  UCR112328  Lepidium dictyotum var. acutidens A. C. Sanders, K. C. Rose 1998-5-21 21858 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
  UCR121808  Lepidium dictyotum var. acutidens A. C. Sanders, Carolyn Washburn 2001-4-17 24060 Riverside San Jacinto Valley, southwest edge of Hemet, NW of intersection of Stowe Rd. and California Av., 2 miles NE of Winchester 457 Comment
  CAS-BOT-BC89441  Lepidium fremontii N. Aitkenhead 1977-2-2 2144 Riverside On T/L access just west of Joshua Tree Monument Road. 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
  UCR20694  Lepidium lasiocarpum A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1300 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
  RSA642807  Lepidium lasiocarpum var. lasiocarpum R. F. Thorne 1963-3-29 32422 Riverside 9 miles E of Mecca, Mecca Hills 152 Comment
  SD231267  Lepidium latifolium Scott D. White 2003-6-9 9254 Riverside Perris Basin: Northeast corner of Devonshire Ave. and Warren Rd., immediately south of Tres Cerritos. 473 Comment
  UCD115723  Lepidium latipes A. C. Sanders; K. C. Rose 1998-5-21 21865 Riverside Hemet: alkaline flats west of town, E of the canal, S of Hwy 74 (Florida) and ca. 1/4 mi. W of Warren Rd. 457 Comment
  HSC85408  Lepidium nitidum Steve Boyd 1986-4-2 1621 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  UCR65295  Lepidium strictum Steve Boyd 1989-5-2 3518 Riverside City of Riverside, Gravel driveway of residence at 4863 Rubidoux Avenue. Comment
  OBI45208  Lepidium virginicum B. Pitzer & Jack Easton, Jack Easton 1987-3-10 402 Riverside Anza area, hills S of Thomas Mtn, ca 3 mi (airline) E oftown of Anza on N side of hwy 371. Butterfly Peak 7.5'quad: T7S, R4E, NE1/4 sec 13 1341 Comment
  CLARK-A1528-2172  Lepidospartum squamatum John C. Roos 1963-11-15 Riverside Coachella Valley upper end of valley, Colorado Desert; in a rocky wash; ; Whitewater 7.5'Q 426 Comment
  HSC5930  Lepidospartum squamatum L. S. Rose 1966-12-14 66103 Riverside Whitewater Wash, N of Palm Springs Desert. 198 Comment
  SDSU12990  Lepidospartum squamatum Michael G. Simpson with Claudia A. Luke 1999-10-27 2012 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/4 mile from Southside Facilities. 152 Comment
  UCR137454  Leptochloa mucronata Steve Boyd 1998-10-4 10293 Riverside Riverside, backyard orchard at 4863 Rubidoux Avenue 244 Comment
  UCR202442  Leptochloa uninervia Denise Woodard, G. Nuhn 1995-8-21 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, 300 acre parcel at west end of Domenigoni Valley, c. 3 miles south of Winchester on the west side of Winchester Rd. 470 Comment
  UCR127105  Leptodactylon californicum Mitch Provance 1998-6-1 570 Riverside Jurupa Mountains, SW Pyrite Canyon, c. 0.4 miles SSE of peak 1768 442 Comment
  RSA192028  Leptosiphon liniflorus E. W. Lathrop 1966-5-15 6325 Riverside Tenaja Guard Station, Trabuco District, Cleveland National Forest. Comment
  UCR268304  Leptosiphon liniflorus Jim Andre 2012-6-15 30516 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243, 8.6 miles south of Hwy I-10 at Banning, just northeast of Hungry Hollow and Poppet Flat 1309 Comment
  RSA0083863  Leptosiphon pygmaeus subsp. continentalis Andrew C. Sanders 1997-4-3 20164 Riverside Lake Skinner area: hills NE of Skinner Lake in a tributary to Rawson Canyon, along the dirt road. 503 Comment
  UC1378940  Lesquerella tenella Reed C. Rollins 1967-4-17 6755 Riverside near Cottonwood Springs campground; Joshua Tree National Monument, near Cottonwood Springs campg Comment
  POM99002  Lesquerella tenella E. C. Jaeger 1926-4-1 s.n. Riverside Pinto Valley, Eastern Riverside County. Comment
  RSA506443  Lessingia glandulifera var. glandulifera Kathy Harper 1988-6-11 s.n. Riverside Bautista Canyon, lower end of Bautista Rd. Comment
  RSA910  Lessingia glandulifera var. glandulifera John T. Howell 1927-8-2 569 Riverside Road to Hemet, Mt. San Jacinto. 1372 Comment
  UCR106355  Lessingia glandulifera var. glandulifera John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  RSA740832  Leymus triticoides Scott D. White, Justin M. Wood 2008-7-8 12392 Riverside Johnson Meadow. 1439 Comment
  UCR49262  Linanthus androsaceus subsp. micranthus Steve Boyd 1986-4-2 1631 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCD118518  Linanthus californicus Edward J. Hall 1951-4-21 26 Riverside 1.7 miles S of Beaumont near Lamb's Canyon Road. Comment
  RSA0104451  Linanthus dianthiflorus Duncan S. Bell, LeRoy Gross 2015-2-17 7750 Riverside San Gorgonio Wilderness area; Whitewater Canyon; about 1.75 air miles northwest of the trout farm, in the vicinity of Red Dome. 796 Comment
  RSA525248  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd, T. S. Ross 1990-5-11 4626 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  RSA560843  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd, T. S. Ross 1992-5-4 7179 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  UCR13884  Linanthus floribundus J. Zabriskie 1973-8-12 374 Riverside Santa Rosa Mtns., Horsethief Canyon Comment
  UC150147  Linanthus floribundus subsp. hallii A. Davidson, M. D. 1902-5-1 Riverside Martinez Canyon Thermal Comment
  SDSU3189  Linanthus liniflorus subsp. pharnaceoides F. Youngberg 1933-8-28 Riverside Idyllwild Pines, San Jacinto Mtns. Comment
  GMDRC2692  Linanthus maculatus T. La Doux 2003-4-12 158 Riverside San Bernardino Mountains: San Bernardino Mountains: along banks of Whitewater Wash, approx 1 mi. N. of I-10 33 deg. 56' 28'' N 116 deg. 38' 25'' W. Elev. 1522 ft. 464 Comment
  UCR167867  Linanthus parviflorus T. B. Salvato, John F. Green 2004-5-27 573 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
  UCR213886  Linanthus parviflorus Scott D. White, Angelia Carey 2004-4-5 9988 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UCR41453  Linaria bipartita B. G. Pitzer 1986-2-22 0017 Riverside San Bernardino Mountains, Whitewater Canyon at Fish Hatchery, also to c. 0.5 mi north of hatchery, c. 5 mi north of Hwy I-10 on Whitewater Canyon Road 732 Comment
  SEINET2445412  Linaria canadensis Daphne K. Christopher, Hannah Stevens 2003-4-3 77 Riverside Uc Riverside, Motte Rimrock Reserve. Off Hairstreak Trail. 536 Comment
  UCR251314  Linaria canadensis var. texana T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2013-3-28 7421 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Murrieta Road and Scott Road 517 Comment
  RSA0010980  Lithophragma affine Justin M. Wood 2009-5-11 680 Riverside Hwy 243 near Ranger Peak, roadside. 1433 Comment
  UCR4190  Lithophragma affine R. H. Sauer 1965-4-28 s.n. Riverside Riverside, Box Springs Mtns, 4.2 mi from beginning of dirt road to radio towers 488 Comment
  RSA357789  Loeflingia squarrosa R. F. Thorne, M. Z. Thorne 1973-3-30 42688 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs 488 Comment
  RSA0041731  Loeseliastrum schottii Sarah J. De Groot, April Garbat 2013-4-9 7001 Riverside Along Blythe-Rice (=Midland) Road, 1.9 mile south of Rice and Highway 62, near bottom of Rice Valley, east side of Arica Mountains. 232 Comment
  CAS-BOT-BC342107  Logfia arizonica Steve Boyd 1986-5-1 1789 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow Comment
  SD136921  Logfia filaginoides Steve Boyd 1992-4-14 6824 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; western flank of Bluewater Canyon along Bluewater Trail. 334 Comment
  SEINET251684 Image available Lolium rigidum Walter Graves 2002-5-15 502 -13 Riverside Riverside : grown at U.C. R. in Agricultural Operations Fields (Riverside East 7.5' Q.) 305 Comment
  JOTR32144  Lomatium mohavense La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2300 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
  UCSB18143  Lomatium mohavense Lehmann, Karla 1964-5-10 Riverside Pinyon Flants Campground 1249 Comment
  SD234349  Lonicera subspicata Wayne Law, Jun Hu 2000-5-16 20 Riverside Peninsular Ranges; Santa Ana Mtns.: Eastern edge of Cleveland National Forest, above Temescal Valley in Indian Canyon, 11.8 mi S of Corona (Alberhill 7.5'Q) 395 Comment
  RSA562459  Lonicera subspicata var. denudata Steve Boyd, Timothy S. Ross 1992-5-5 7230 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail 732 Comment
  JEPS55418  Lotus argophyllus W. L. Jepson 1901-5-20 1331 Riverside Thomas Valley to Van Deventer Ranch Comment
  RSA709073  Lotus argophyllus T. B. Salvato, John Green 2004-5-27 632 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
  SEINET238483  Lotus argophyllus A. C. Sanders 1994-5-29 14569 Riverside San Bernardino Mountains: Millard Canyon at stream crossing just below site of Millard Station on FS road 2S05. 1100 Comment
  SEINET2062200  Lotus argophyllus var. argophyllus B. Pitzer, A. C. Sanders 1987-4-21 498 Riverside Hot Springs Mountanis, near S-most radio towers, Riverside East 7.5' Quad. Comment
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Feb 22 2014
  RSA406104  Lotus crassifolius N. C. Cooper 1943-9-11 922 Riverside San Jacinto Mountians, Idlewild. 1829 Comment
  PASA1086  Lotus grandiflorus Frank W. Peirson 1924-7-27 Riverside Dark Canyon, San Jacinto Mts. 1706 Comment
  RSA406379  Lotus grandiflorus var. grandiflorus Gary D. Wallace 1964-4-25 s.n. Riverside Backside of San Jacinto Mt. in desert. Comment
  RSA0028966  Lotus grandiflorus var. mutabilis Keith E. Hoffmaster 1937-7-5 820 Riverside San Jacinto Mtns. Comment
  UCR182312  Lotus hamatus Mitch Provance 2003-4-5 6613 Riverside San Bernardino Valley, Jurupa Mountains, Glen Avon, slopes above the northern extreme of Campbell St 274 Comment
  UCR228819  Lotus hamatus A. C. Sanders 2011-4-26 39330 Riverside Peninsular Range, Alberhill Mountain, south side near Nichols Rd., c. 350 m WNW (276 deg. ) of Nichols Rd. & Pierce St. intersection 395 Comment
  JEPS55483  Lotus heermannii Marjorie Clary 1931-4-4 17 Riverside Devils Canyon, Coachella Valley Santa Rosa Mts. 152 Comment
  POM1885  Lotus heermannii H. M. Hall 1901-06 2379 Riverside In the vicinity of Strawberry Valley. 1585 Comment
  UC15749  Lotus heermannii H. M. Hall Jun 1901 2021 Riverside s side San Jacinto Mountains 1219 Comment
  UCR199767  Lotus heermannii Scott D. White, Angelia Carey and Linda Archer 2004-8-5 10676 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Indian Creek and adjacent uplands, from confluence with San Jacinto River to c. 2 miles upstream 610 Comment
  UCR22014  Lotus humistratus Steve Boyd 1980-5-22 299 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau. east of the trailer park, E side of Gavilan Rd 625 Comment
  RSA788868  Lotus nevadensis var. davidsonii Gary D. Wallace 2003-7-8 4034 Riverside Hidden Lake. Comment
  JEPS55548  Lotus oblongifolius var. oblongifolius Carl V. Meyer 1928-7-24 516 Riverside Falls Creek Idyllwild 1889 Comment
  UC864848  Lotus oblongifolius var. oblongifolius I. W. Clokey and E. G. Anderson 1935-8-21 6722 Riverside Fuller Creek San Jacinto Mts. 1500 Comment
  RSA789414  Lotus purshianus Naomi Fraga 2008-8-28 2610 Riverside Mount San Jacinto State Park; Hidden Lake 2652 Comment
  UCR108999  Lotus salsuginosus D. L. Banks, V. W. Steinmann 1997-3-13 1480 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
  UCR213621  Lotus scoparius subsp. brevialatus A. C. Sanders, Matthew Malle 2010-4-23 37991 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  RSA314658  Lotus scoparius var. brevialatus R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55476 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  CLARK-A1528-2808  Lotus strigosus John C. Roos 1954-5-15 6120 Riverside Reche Canyon 731 Comment
  IRVC26263  Lotus strigosus A. C. Sanders, D. Malueg 2003-5-8 26571 Riverside Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek Perris-Aguanga Basin region 396 Comment
  RSA524473  Lotus strigosus Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4077 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  UCR121697  Lotus strigosus A. C. Sanders 2002-5-4 25044 Riverside San Jacinto Mtns., Idyllwild, Pine Crest Ave., NE of Hwy 243 1677 Comment
  UCR164290  Lotus strigosus S. J. Myers 2001-4-5 s.n. Riverside San Jacinto Mtns., Bautista Canyon 884 Comment
  RSA526497  Lotus strigosus var. hirtellus Steve Boyd, T. S. Ross 1990-5-11 4692 Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  RSA678354  Lotus strigosus var. strigosus Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10471 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
  RSA697979  Lotus subpinnatus J. R. Bruff 1928-4-2 89 Riverside Whitewater. Comment
  CAS-BOT-BC389673  Lupinus D. L. Castleberry 1964-2-2 s.n. Riverside Tahquitz Canyon Comment
  UCR178966  Lupinus Mitch Provance, Tracy Tennant 1998-6-16 MOR- 399 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, just north of tree stand M-09 1280 Comment
  SEINET6180890  Lupinus arizonicus David B. Dunn 1946-3-16 2060 Riverside Collected on dry plateau 1/2 mile Northeast of Pushawalla Palms (Springs). Indio Hills.; 0 Comment
  UCSB41259  Lupinus arizonicus Cowan, Clark 1978-4-23 Riverside 6.3 mi. (10 km.) S on Hwy. 74 from its junction with Hwy. 111, at Indian Wells; Whittaker transect #W-219 (voucher) 480 Comment
  SEINET10488550  Lupinus arizonicus Duane Isely, Wendell H. Bragonier 1960-3-22 Isely 7203 Riverside Roadside, edge of Desert Palms. Comment
  SEINET10969897  Lupinus arizonicus A. K. Evans 1976-4-13 Evans 5157 Riverside Desert canyons of santa rosa mountains Comment
  SEINET10490537  Lupinus arizonicus subsp. arizonicus David B. Dunn 1946-2-22 Dunn 1965 Riverside In mud flats dry, caked and split. All american canal catch basin from desert Washes. Oracopia mountains ne of the saltan sea. Very arid country Comment
  RSA591821  Lupinus bicolor E. W. Lathrop 1966-3-23 6094 Riverside 4 miles west of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. 610 Comment
  SD215534  Lupinus bicolor W. Wisura, A. King and L. Newcomb 1992-4-10 4672 Riverside Gorgonio Pass; Stubbe Canyon north of W-Palm Springs. Comment
  RSA431075  Lupinus bicolor subsp. marginatus David B. Dunn 1949-4-10 5541- 2 -3 Riverside A colony growing 1 mile east of Beaumont on the southside of he highway at Xenica Ave. Comment
  SEINET10577534  Lupinus bicolor subsp. marginatus Nye Leith, Greg Gust 2005-3-11 Nye 61 Riverside Lake Elsinore. Intersection of Malaga and Mission Trail Rd. 398 Comment
  RSA496384  Lupinus bicolor subsp. microphyllus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3061 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 427 Comment
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May 31 2008
  SBBG47454  Lupinus concinnus N. C. Cooper 1944-4-22 1159 Riverside Banning 731 Comment
  SD181516  Lupinus concinnus Scott D. White, Bill LaHaye 2000-5-27 7936 Riverside San Jacinto Mountains, Baldy Mountain area; Idyllwild [quad]. Common in burned areas. 1616 Comment
  UCR202000  Lupinus concinnus Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  RSA396461  Lupinus excubitus var. austromontanus Walter Wisura 1987-5-21 4162 Riverside 8.2 miles from Hwy 74, going S on forestry rd. 5S15; just S of summit of Thomas Mtn. Comment
  SFV20142  Lupinus excubitus var. austromontanus J. N. Hogue, J. M. Wrublik 2000-5-30 153 .2 Riverside San Jacinto Mountains Black Mountain. Black Mountain Trail at Cinco Poses Spring. 2130 Comment
  RSA586106  Lupinus excubitus var. hallii D. L. Banks, S. D. Boyd 1995-4-5 0146 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, W of the Dripping Springs Trail, on alluvial terraces of the W fork of Arroyo Seco. 3 573 Comment
  UCR94649  Lupinus excubitus var. hallii Scott D. White 1996-5-27 4068 Riverside Badlands, Jackrabbit Canyon, east of Moreno Valley and south of Calimesa, between Hwy 60 and Gilman Springs Road. 610 Comment
  POM11039  Lupinus formosus H. M. Hall 1901-06 2214 Riverside Onstatts Valley 1524 Comment
  RSA630294  Lupinus formosus var. formosus R. S. Woglum 1941-5-17 3059 Riverside Peninsular Ranges / Sonoran Desert transition: Coyote Canyon. Comment
  POM24329  Lupinus hirsutissimus Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  UCR100087  Lupinus hirsutissimus R. G. Swinney 1967-3-5 56 Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 381 Comment
  UC15837  Lupinus latifolius var. parishii H. M. Hall July, 1901 2554 Riverside Fuller's Mills Mountains , Fuller`s Mills Mountains (San Jacinto Mountains) 2286 Comment
  SEINET2062674 Image available Lupinus maculatus Noel H. Holmgren, Vernon Marttala 1971-7-11 5380 Riverside Big Hole Mountains, Tie Canyon, 3.1 miles S of Pine Creek Summit, along road to Rainey Creek, 6 mils SW of Victor. 2194 Comment
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Aug 25 2013
  UCR35023  Lupinus microcarpus var. densiflorus L. B. Ziegler 1967-4-18 114 Riverside Peninsular Ranges, Foothills of the San Jacinto Mtns, on Poppet Flat Rd 915 Comment
  CDA27545  Lupinus microcarpus var. microcarpus R. Riggins 1982-4-15 1341 Riverside Guava Street (DeLuz Road) 0.4 mile south of junction Washington Avenue in Murietta. 0 Comment
  OBI48505  Lupinus microcarpus var. microcarpus Rhonda Riggins 1982-4-15 1341 Riverside Pasture and adj dirt rd, Guava St (DeLuz Rd) 0.4 mi S jct. Washington Ave in Murietta Comment
  RSA414275  Lupinus sparsiflorus subsp. sparsiflorus Ora M. Clark 1929-3-16 1715 Riverside NW Whitewater Comment
  RSA617301  Lupinus sparsiflorus subsp. sparsiflorus R. S. Woglum 1934-3-18 649 A Riverside Peninsuar Ranges: San Jacinto Mountains, Coachella Valley, Snow Creek. Comment
  SEINET10490965  Lupinus sparsiflorus subsp. sparsiflorus Robert F. Thorne 1983-4-23 Thorne 55442 Riverside San bernardino mts. Mouth of whitewater canyon, e of whitewater post office at South end of ridge, in sandy wash e of bridge, and on base of west-facing slope Of ridge. Bluish-flowered annual growing on talus slope e of bridge. 411 Comment
  SD133083  Lupinus truncatus Scott White 1991-3-22 Riverside Los Alamos Road, ca., 2.0 miles west of I-215 exit; just east of the city of Murrieta. 366 Comment
  JOTR29587  Lycium andersonii Andre, Jim 2006-4-26 6780 Riverside Joshua Tree National Park. Long canyon, approx 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  UC494399  Lycium andersonii C. L. Hitchcock 1932-4-7 12206 Riverside Corn Springs, e Riverside County Corn Springs Comment
  RSA0118002  Lycium fremontii Sarah J. J. De Groot, Thomas Stoughton 2016-2-18 7626 Riverside Mecca Hills: side canyon (east fork) of Painted Canyon. 182 Comment
  JOTR36471  Lycium parishii La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3440 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; at top of large cobbley wash, near Russi Rocks guzzler (Stop 4) 538 Comment
  RSA785450  Lythrum californicum Jeremiah George 2011-8-9 s.n. Riverside north shore of Lake Elsinore, south of end of Lehr Dr. 384 Comment
  UCR124135  Lythrum californicum Steve Boyd 1989-7-7 3766 Riverside Peninsular Range, Upper Temscal Canyon at SE end of Alberhill Mtn. south of I-15 at Nichols Rd. exit 381 Comment
  UCR26092  Machaeranthera canescens subsp. ziegleri John C. Roos 1946-8-27 2920 Riverside Santa Rosa Mountains, Santa Rosa Mountain 2409 Comment
  UCR195127  Madia gracilis A. C. Sanders, Tim Thomas 2008-8-1 35956 Riverside Peninsular Range; San Jacinto Mtns., lower Coldwater Creek near Mountain Center, SSE of Keenwild Fire Station 1372 Comment
  RSA0087582  Malacothamnus fasciculatus Edmund C. Jaeger 1949-7-25 s.n. Riverside North side Santa Rosa Mountain. 1646 Comment
  RSA0120237  Malacothamnus fasciculatus subsp. fasciculatus Duncan S. Bell 2016-4-14 9280 Riverside Santa Rosa Mountains; near the head of Deep Creek, along the Sawmill Tail; in the vicinity of the old water tank along the road. 1301 Comment
  CAS-BOT-BC345285  Malacothrix californica H. M. Hall 1901-6-1 2182 Riverside San Jacinto Mountains. Thomas Valley 1371 Comment
  CAS-BOT-BC347701  Malacothrix glabrata A. C. Sanders; J. Dice; K. Rose; D. Woodard 1995-3-29 16274 Riverside San Jacinto Mtns./San Gorgonio Pass: alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village Comment
  CHSC100692  Malacothrix glabrata Naomi Fraga; Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1425 Riverside Colorado Desert; Northeastern Colorado Desert region: Along Palen Road near Hwy 177. 170 Comment
  JEPS36767  Malacothrix glabrata W. L. Jepson May 17 1901-Jun 1 1901 1254 Riverside 4 mi n Hemet; San Jacinto River Comment
  RSA668342  Malacothrix glabrata C. R. Annable 1995-3-12 2271 Riverside Mecca Hills, Box Canyon Wash. Hwy 195. Comment
  UC55115  Malacothrix glabrata H. M. Hall 1902-4-12 2838 Riverside Coyote Canyon, w Colorado Desert Colorado Desert 152 Comment
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Jun 21 2011
  UCR84640  Malacothrix glabrata Scott D. White, Steve Ogg 1994-4-21 1986 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  UC1871318  Malacothrix saxatilis var. tenuifolia Steve Boyd, Tim Ross, Travis Columbus 1993-10-23 8191 Riverside Peninsular Ranges; Santa Ana Mountains region; Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, upper Morrell Canyon along Morgan Trail (5W02). T6S R5W W/2 SE/4 sec. 22. E/2 NW/4 sec. 27. Elev. 2880 - 2480 ft. Comment
  SDSU13928  Malosma laurina Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2153 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, northern end of northern most (narrow) deer grass meadow. 646 Comment
  RSA654621  Malva parviflora Lydia Paneri 1982-4-17 37 Riverside Cajalco Road, 2 miles east of I-15; south of Corona. Comment
  SD241898  Malvella leprosa Jeremiah George 2011-7-18 Riverside Peninsular Range; Elsinore Trough: North Lake Elsinore, just west of Nichols Rd. and Collier Ave. junction. West side of riparian strip. 384 Comment
  SEINET238481  Malvella leprosa A. C. Sanders, Mitch Provance 1999-9-26 23122 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake 1.4 mi. SE of Jackrabbit Trail on Gillman Springs Rd. 1.4 mi. S of Eden 433 Comment
  POM48322  Marah macrocarpa E. C. Jaeger 1925-3-1 s.n. Riverside Snow Canyon, . San Jacinto Mts. Comment
  UCSB42176  Marah macrocarpa Roos, John 1966-4-23 Riverside Santa Ana Mtns., S of Corona Comment
  CLARK-A1703-1199  Marina orcuttii Robin L. Kobaly 1977-3-31 Riverside Santa Rosa Mountains 1402 Comment
  CAS-BOT-BC216176  Marina parryi Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center Comment
  CAS-BOT-BC502091  Marina parryi A. C. Sanders; Jim Malusa 2015-9-10 41863 Riverside Sonoran (Colorado) Desert: Bradshaw Trail, 0.85 mi SE of its jct with Summit Rd in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mtns Aerial Gunnery Range 480 Comment
  CAS-BOT-BC502092  Marina parryi A. C. Sanders; Jim Malusa 2015-9-10 41867 Riverside Sonoran (Colorado) Desert: Bradshaw Trail, 0.85 mi SE of its jct with Summit Rd in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mtns Aerial Gunnery Range 480 Comment
  RSA643364  Marina parryi James C. Dice, Kimberly A. Nicol 1998-3-24 980324 1 A Riverside Northwestern Colorado Desert, 9.0 miles (14.4 km) N of Desert Center, along State Highway 177. 163 Comment
  SEINET4326790 Image available Marina parryi Scott D. White, Robert Black 2011-2-25 13391 Riverside Kaiser Road N of US 10 freeway, along bend in road. 207 Comment
  SEINET11098364 Image available Marina parryi S. P. McLaughlin, Janice E. Bowers 2005-1 10369 Riverside NW of Blyth. 250 Comment
  RSA651643  Marrubium vulgare A. Mayor, T. Strid 1973-4-20 s.n. Riverside Railroad Cyn Rd. Comment
  RSA614472  Meconella denticulata D. L. Banks 1997-4-5 1703 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. South of Dorland Mountain, just west of the Wilderness Area boundry, along a tributary of the north fork of Pechanga Creek. 518 Comment
  UCR77310  Meconella denticulata Steve Boyd, C. Boyd, K. A. Boyd 1992-3-21 6735 Riverside Santa Ana Mtns., San Mateo Cyn. Wilderness area. Tenaja Cyn, along trail from wilderness boundary down stream towards Fisherman's Camp 549 Comment
  CSUSB1105  Medicago polymorpha Kirby W. Brown 1966-2-27 Riverside City of Riverside, UCR campus, Canyon Crest Housing 335 Comment
  SD240782  Melasphaerula ramosa O. F. Clarke 2006-4-4 Riverside Riverside, UCR Botanical Garden (Riverside East 7.5'Q) 334 Comment
  UC818920  Melica Marcus E. Jones, A. M. 1882-4-25 3554 Riverside San Jacinto Comment
  RSA599111  Melica imperfecta V. W. Steinmann 1996-4-13 831 Riverside East of Route 15, summit of hill (1577 ft) east of Temescal Canyon road at a point 0.2km NW of the jct. with Indian Truck Trail 500 Comment
  UCR177937  Melica imperfecta Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 030 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  UCR19349  Melica imperfecta John C. Roos 1950-4-29 4771 Riverside Reche Canyon north of Sunnymead 610 Comment
  RSA716186  Melilotus indicus Scott D. White, Angelia Carey 2004-4-5 10034 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  SBBG67127  Melilotus indicus M. N. Ackley 1928-3-10 579 Riverside Bridge Haven [Service Station in Whitewater, 1920s -1950] 426 Comment
  POM348170  Melilotus indicus N. C. Cooper 1944-4-22 1136 Riverside Banning. 732 Comment
  RSA0116000  Mentzelia Jordan Zylstra 2014-3-18 14002 Riverside San Jacinto Mountains: Apple Canyon, west of Apple Canyon Road. 1453 Comment
  UCR265600  Mentzelia Jordan Zylstra 2014-3-18 14002 Riverside San Jacinto Mountains, Apple Canyon, west of Apple Canyon Road 1453 Comment
  JEPS42765  Mentzelia affinis W. L. Jepson 1914-5-23 6056 Riverside Conchilla Desert; ; Labed shows Colorado Desert, California Comment
  POM9534  Mentzelia affinis P. A. Munz, R. D. Harwood 1920-3-20 3370 Riverside 5 miles S of Corona 305 Comment
  SEINET11978669  Mentzelia dispersa Unknown 1936-1 12839 Riverside Colorado Desert, N of Palm Springs Comment
  JOTR32169  Mentzelia involucrata La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2321 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Large sandy canyon with braided wash that feeds southwest into Wilson Canyon (Stop 7) 902 Comment
  RSA796270  Mentzelia involucrata Jim Andre, Tasha La Doux, R. B. Kelley 2011-5-4 21073 Riverside Joshua Tree National Park; Long Canyon, up side canyon approx. 400 m. west of main canyon drainage. 1172 Comment
  SBBG16941  Mentzelia involucrata K. K. Muller 1957-4-13 800 Riverside hills opposite S entrance of Joshua Tree Nat Monument Comment
  UCR214298  Mentzelia involucrata A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37471 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  UCSB4214  Mentzelia involucrata Broder, Richard 1958-03 Riverside 5.8 miles east of Desert center on US 60-70 Comment
  UCSB45202  Mentzelia involucrata Matthews, K. 1977-3-25 Riverside 2 Miles south of 1-60 on Highway 195 off roadway 76 Comment
  RSA402616  Mesembryanthemum crystallinum Elizabeth A. White 1928-04 s.n. Riverside Colorado desert near Mecca. Comment
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Jun 5 2011
  SBBG101673  Micropus californicus S. Boyd with Mistretta 1991-5-22 6302 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk 548 Comment
  SBBG101787  Micropus californicus S. Boyd with Mistretta 1991-5-9 6179 Riverside lower flank along Bedford Truck Trail on ridge between Bedford and McBride Cyns Comment
  UCR56701  Micropus californicus var. californicus Jeri Hirshberg 1989-4-11 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., south of town of Murrieta, just west of Mesa del Burro. Rocky creek bed below Guava-DeLuz Road, c. 1.5 mi SW of intersection w/ Hayes Avenue 610 Comment
  RSA525444  Microseris douglasii subsp. platycarpha Steve Boyd, David E. Bramlet 1990-4-29 4489 Riverside Lake Skinner County Park, S flank of Bachelor Mountain Comment
  UCR116505B  Microseris douglasii subsp. platycarpha A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 746 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR116505A  Microseris douglasii subsp. tenella A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 746 A Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  RSA652926  Microseris heterocarpa A. C. Sanders 1997-5-1 20626 Riverside Along horse trail in southern part of Lake Skinner Park, west of Tucalota Hills and east of Warren Rd. 488 Comment
  RSA0018772  Mimetanthe pilosa Scott D. White, Julie Greene 1998-8-1 6974 Riverside Idyllwild Area: Roadside uplands and meadows within residential community above/parallel to E bank of Strawberry Creek between crossing at Circle Drive and Humber Park. 1829 Comment
  RSA0029100  Mimulus John F. Emmel 1989-3-15 1118 Riverside Bernasconi Hills east of Lake Perris. Slope 0.4 air mi NE of peak 2381. 488 Comment
  POM8582  Mimulus aurantiacus var. pubescens I. M. Johnston 1920-5-8 8582 Riverside Butte west of Lakeview. 610 Comment
  JEPS15209  Mimulus aurantiacus var. puniceus A. Lewis May 1934 409 Riverside San Juan Canyon Cleveland National Forest, Corona Quadrangle Comment
  RSA442706  Mimulus aurantiacus var. puniceus Bonnie C. Templeton 1931-4-23 s.n. Riverside Between Perris and Gavilan Peak. Comment
  RSA444468  Mimulus aurantiacus var. puniceus Roos 1966-4-29 s.n. Riverside Rocky hills between March Air Force Base and Lakeview. Comment
  UC1563089  Mimulus aurantiacus var. puniceus Steve Boyd 1986-3-1 1362 Riverside 1/4 mi s Harford Springs County Park; Gavilan Plateau, Gavilan Hills 640 Comment
  SEINET3079201 Image available Mimulus brevipes Marc Mittleman 1982-5-25 Riverside Gentry Experimental Farm, Los Alamos Road, Murietta, Ca. 366 Comment
  SEINET4095872  Mimulus brevipes C. Davidson 1975-1 2812 Riverside 5.4 miles north of Alameda Station on road R1 from Idyllwild to Banning. 1652 Comment
  UCR193918  Mimulus brevipes A. C. Sanders, Mitch Provance 2008-7-11 35773 Riverside Peninsular Range; San Jacinto Mtns., FS road 5S02 to Coldwater Creek below road to helipad, 1 mi. NE of Mountain Center, c. 1/2 mile NE of Keenwild Fire Station 1463 Comment
  UC943901  Mimulus clevelandii H. E. McMinn, M. Van Rensselaer 1945-6-7 1898 Riverside head Indian Canyon Truck Trail (crest of mts., boundary of Riverside and Orange counties); Santa Ana Mts. 1235 Comment
  POM19196  Mimulus diffusus H. Baer 1923-4-24 s.n. Riverside Rice canyon, Santa Ana Moutains Comment
  RSA527835  Mimulus diffusus Scott D. White 1991-5-10 91 -123 Riverside Hwy 79, immediately W of US Forest Service Campground at Dripping Springs. 549 Comment
  RSA801729  Mimulus diffusus LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6181 Riverside Logan Creek, north of the community of Pine Cove, and just west of road (5S09). 1799 Comment
  UCSC000872  Mimulus guttatus Peter Kamb 1947-6-7 580 Riverside Hall Canyon, San Jacinto Mts. 1646 Comment
  RSA535599  Mimulus johnstonii David M. Thompson 1988-3-3 818 Riverside 4.9 miles N of I-10 access road along paved road to Whitewater Hatchery in Whitewater River Canyon, then 0.4 miles farther N beyond hatchery along dirt road. 707 Comment
  JEPS79795  Mimulus parishii Marjorie D. Clary 1932-6-5 1634 Riverside Eagle Canyon, w side of Colorado Desert Eagle Canyon; Colorado Desert 182 Comment
  UC56261  Mimulus parishii F. Gilman 1902-1 18 Riverside Palm Springs Comment
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Jul 6 2010
  UCR77578  Mimulus parishii Steve Boyd, T. S. Ross 1991-6-8 6327 Riverside San Jacinto Mtns., Pinyon Flats area near Ribbonwood. White calcareus outcrop forming small hill north of Hwy 74 Comment
  UC26917  Mimulus pilosus H. M. Hall 1901-7 2586 Riverside Tamarack Valley San Jacinto Mountains 2499 Comment
  UCR107707  Mirabilis californica A. C. Sanders 1997-3-1 19745 Riverside Box Springs Mountains, Riverside: S end of the range along Gernert Rd. (dirt road paralleling the mountain front), in valley draining to Box Spring Canyon. 457 Comment
  CAS-BOT-BC434689  Mirabilis laevis var. crassifolia Marian L. Campbell 1921-3-19 58 Riverside Banning to Palm Springs Comment
  POM91014  Mirabilis laevis var. crassifolia E. C. Jaeger 1925-12-22 s.n. Riverside Aguanga Comment
  SD216505  Mirabilis multiflora Jay B. Walker 1995-5-4 1413 Riverside San Bernardino National Forest. Highway 74, 3 kilometers east of junction with Santa Rosa Mountain Road. 1399 Comment
  JOTR32905  Mohavea confertiflora La Doux, Tasha, Jim Andre 2009-3-10 389 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
  SJSU11581  Mohavea confertiflora R. C. McGehee 1970-3-4 121 Riverside junction of Joshua Tree National Monument boundary & rd to Mission Sweet Mine Comment
  RSA0017420  Mohavea confertiflora Marcus E. Jones 1924-2-28 s.n. Riverside Blythe. Comment
  RSA697845  Monardella australis J. R. Bruff 1934-7-5 s.n. Riverside San Jacinto Mts. 2591 Comment
  UC25463  Monardella breweri subsp. lanceolata H. M. Hall 1901-6 2527 Riverside San Jacinto Mountains. In vicinity Strawberry Valley 1584 Comment
  RSA401588C  Monardella lanceolata var. lanceolata M. M. Thompson 1947-6-9 C- 2079 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  IRVC2054  Monardella linoides subsp. linoides R. H. Whittaker, W. A. Niering 1963-6-7 SJ 280 Riverside Santa Rosa Mtns: Palms to Pines Hwy. Peninsular Ranges 1098 Comment
  CAS-BOT-BC215497  Monardella nana Elizabeth McClintock 1941-7-15 115 Riverside On slope south of Strawberry Creek and west of Domengonio Flats, San Jacinto Mts. Comment
  LA96104  Monardella nana Elizabeth McClintock; 1941-7-21 129 Riverside San Jacinto Mountains, trail from Round Valley Comment
  RSA750393  Monardella nana subsp. arida Elizabeth McClintock 1941-5-31 47 Riverside About 5 miles from the Anza Monument turn off. Comment
  RSA750396  Monardella nana subsp. arida Elizabeth McClintock 1940-7-21 26 Riverside 1 mile above canyon and stream, on Santa Rosa Mt. road. Comment
  POM48947  Monardella nana subsp. tenuiflora P. A. Munz 1924-7-26 8721 Riverside Pine Flats Camp, San Jacinto Mtns. 1677 Comment
  RSA750282  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-10 88 Riverside San jacinto Mts. Trail to Suicide Rock, about 3 1/4 miles from Fern Valley. Comment
  RSA750297  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-12 106 Riverside San Jacinto Mts. A short distance beyond forks on trail to Deer Springs. Comment
  UC162752  Monardella nana subsp. tenuiflora H. M. Hall July 1897 Riverside San Jacinto Mountains Comment
  RSA65882  Monolepis nuttalliana F. W. Peirson 1918-03 1834 Riverside Field near Indio. Comment
  CAS-BOT-BC349785  Monoptilon bellioides N. Aitkenhead 1977-2-3 2125 Riverside Moniobra Valley N. of Orocopia Mnts Comment
  POM363584  Monoptilon bellioides Christopher Davidson 1979-4-4 7712 Riverside Orocopia Mountains; Box Canyon on Box Canyon Road, 13.4 miles E of Mecca 488 Comment
  RSA0124005  Muhlenbergia appressa Duncan S. Bell, Thomas Stoughton 2016-4-13 9246 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; on the western slopes of Martinez Mountain. 1548 Comment
  UCR164291  Muhlenbergia asperifolia S. J. Myers 2001-7-16 s.n. Riverside San Jacinto Mtns, Bautista Canyon 878 Comment
  UCR2783  Muhlenbergia asperifolia F. M. Reed 1907-10-20 1982 Riverside Riverside. Spring Brook above Fairmont Park. Comment
  RSA559443  Muhlenbergia microsperma Steve Boyd 1992-4-15 6869 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  RSA613274  Muhlenbergia microsperma L. C. Wheeler 1976-3-30 s.n. Riverside San Jacinto Mountains: Snow Canyon, foot of Mount San Jacinto. 579 Comment
  UC39890  Muhlenbergia richardsonis H. M. Hall July, 1901 2341 Riverside vicinity of Deer Springs San Jacinto Mountains 2743 Comment
  JEPS29484  Muilla maritima Lauramay T. Dempster 1962-4-18 1898 Riverside Palms-to-Pines Hwy Pinyon Flats 1066 Comment
  RSA655090  Muilla maritima Scott D. White 2000-4-17 7652 Riverside Menifee / Sun City Area: South of McColl Ave. and east of I-215 freeway. 442 Comment
  UCR144134  Muilla maritima Scott D. White, Tasha LaDoux 2000-4-20 7714 Riverside Perris-Aguanga Basin, South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills 671 Comment
  SEINET3874833  Najas marina Louis C. Wheeler 1953-3-30 7033 Riverside Alligator Slough on the Colorado River. Bottom of slough, submersed, in sun. Rooted in mud.; 0 Comment
  UC68783  Nama H. M. Hall Apr., 1905 5886 Riverside Chuckawalla Bench , Chuckawalla Bench (Colorado Desert) Comment
  RSA457755  Nama demissa Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Tim S. Ross 1988-3-10 2119 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA699658  Nama demissa Keith E. Hoffmaster 1935-3-31 s.n. Riverside Palm Springs Comment
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Aug 27 2011
  UCR1504  Nama demissa Donna Lee Hobbs 1962-3-18 3-18-62- 4 Riverside Colorado Desert/ San Bernardino Mtns., W face of Whitewater Canyon, 5 mi. east of Cabazon on Hwy 60. Comment
  UC2061796  Nama pusilla Susan Fawcett, B. G. Baldwin 2017-5-14 767 Riverside Corn Springs, Chuckwalla Mountains. Comment
  RSA192227  Nassella cernua E. W. Lathrop 1960-5-6 4789 Riverside 10 miles west of Murrieta. Comment
  UC149798  Nassella cernua H. M. Hall April 1902 2921 Riverside vicinity of Winchester 304 Comment
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Mar 20 2011
  UCD88096  Nassella cernua Elizabeth Wilson 1940-4-2 s.n. Riverside Riverside Counrty: Riverside. South Banning, road to Palm Springs. Comment
  RSA179506  Nassella lepida E. W. Lathrop 1964-5-10 5376 Riverside 10 miles west of Murrieta. 610 Comment
  RSA263733  Nassella lepida E. W. Lathrop 6887 Riverside 4 miles W of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive 1067 Comment
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Mar 3 2013
  RSA599110  Nassella lepida V. W. Steinmann, D. L. Banks 1996-4-20 844 Riverside Agua Tibia Mountains, ca. 10 km east of Temecula, UC Emerson Preserve, ca. 0.5 km from main road along the East Trail, just northeast of the summer cottage., ca. 33?28'N, 117?02'W 450 Comment
  UC6597  Nemacaulis denudata var. gracilis S. B. Parish Apr 4 1896-Apr 13 1896 4140 Riverside Palm Springs (Agua Caliente) desert base of San Jacinto Mt.; Palm Springs, base of San Jacinto Mt. 152 Comment
  RSA781526  Nemacladus glanduliferus var. orientalis Duncan S. Bell 2010-5-1 875 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
  UCR48383  Nemacladus ramosissimus Steve Boyd 1986-4-22 1770 Riverside Peninsular Range, Temescal Canyon, E side of Indian Wash, south of I-15 Comment
  POM46796  Nemacladus rubescens Mary F. Spencer 1920-3-27 1498 Riverside Palm Springs. 122 Comment
  SEINET10840519  Nemacladus rubescens Secrest 1948-4-7 SECREST s.n. Riverside Near Desert Springs Comment
  JOTR33970  Nemacladus tenuis var. aliformis La Doux, Tasha, M. Harding 2010-4-7 2858 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  RSA439275  Nemacladus tenuis var. aliformis Christopher Davidson 1979-4-4 7703 Riverside Orocopia Mts, lower end of Box Canyon on Box Canyon road, 4.4 miles E of Mecca 213 Comment
  SBBG7470  Nemacladus tenuis var. tenuis H. and M. Dearing 1937-4-10 1834 Riverside Thousand Palms Cyn Comment
  CLARK-A1703-30  Nemophila menziesii Cameron Duncan 1966-3-9 Riverside Riverside 213 Comment
  RSA673728  Nemophila menziesii Scott D. White, Bill La Haye 2000-5-27 7964 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  UC1537400  Nemophila menziesii Gordon H. True Jr. 1935-3-1 28 Riverside Box Springs 365 Comment
  UC1537401  Nemophila menziesii Gordon H. True Jr. 1935-2-22 11 Riverside Mockingbird Canyon 457 Comment
  UCR241489  Nemophila menziesii Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 250 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  UCR135994  Nemophila menziesii var. menziesii Virginia Moran 2003-3-26 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and west of Wilson Creek 915 Comment
  RSA511361  Nemophila pedunculata B. Pitzer, E. Misquez 1988-3-20 666 Riverside Cleveland National Forest, San Juan Loop Trail, ca. 4 mi. W of El Cariso Village, just across the hwy from Ortega Parks Store. 549 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
  UCR12273  Nicotiana clevelandii Art Whistler 1966-3-26 s.n. Riverside Colorado Desert/ Santa Rosa Mtns, alluvial fan below Deep Canyon, 1 mi. from the Boyd Desert Research Center. Comment
  RSA426706  Nicotiana obtusifolia Christopher Davidson 1979-4-4 7737 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  UC170128  Nicotiana obtusifolia E. E. Schellenger 1894-12-3 91 Riverside Chuckwalla Wash; Colorado Desert Comment
  RSA0060151  Nicotiana quadrivalvis Justin M. Wood, Brandy Wood 2009-7-4 1044 Riverside Riverside Flood Control Basin, SW corner of Patton Rd and Wineville Rd, immediately S of San Bernardino County Line. 250 Comment
  UCR133675  Nicotiana quadrivalvis 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
  SEINET10720881  Nolina parryi Tracy Scott, Andrew Townesmith; Karen M. Meyer 2007-3-18 Scott 137 Riverside San Bernardino National Forest. San Jacinto Ranger District, about 0.2 mi. along Pinon Flats Transfer Station Rd. off Rte. 74. 1228 Comment
  UCR244472  Oenothera californica Jim Andre 2012-4-16 20943 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
  RSA355640  Oenothera californica subsp. californica N. R. Zabriskie, W. M. Zabriskie 1972-3-30 493 Riverside Carrizo Rd., north of Hwy 74, Santa Rosa Mts. 1220 Comment
  RSA614421  Oenothera californica subsp. californica D. L. Banks 1997-3-29 1554 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, south of Pechanga Road in the Reservation, north of Pechanga Creek, and east of the Pechanga Tribal Government Center. 367 Comment
  SD187448  Oenothera deltoides Naomi Fraga, Sarah J. De Groot, et al. 2005-2-10 1428 Riverside Colorado Desert; Northeastern Colorado Desert region; along Palen Road near Highway 177. 170 Comment
  SEINET12189795  Oenothera deltoides J. F. Bright, Wyman, C. 1933-1 8067 Riverside near Palm Springs Comment
  POM355585  Oenothera deltoides subsp. deltoides Glenn Shryoek 1928-3-17 s.n. Riverside Colorado Desert. Painted Canyon. Comment
  POM66421  Oenothera deltoides subsp. deltoides Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA248134  Oenothera deltoides subsp. deltoides Susan Delano McKelvey 1936-2-10 5056 Riverside In desert north of Palm Springs. Comment
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Dec 14 2011
  UC20440  Oenothera deltoides subsp. deltoides W. G. Wright 1889-3 1736 Riverside Colorado Desert Comment
  UC68573  Oenothera deltoides subsp. deltoides H. M. Hall Apr. 1905 5756 Riverside Whitewater Colorado Desert 243 Comment
  UCR101206  Olea europaea D. L. Banks, Lauren Raz 1996-11-5 1157 Riverside Agua Tibia Mountains, Pechanga Indian Reservation, south of San Gabriel Church; along a newly established firebreak along a NW-SE running ridgeline, near the water tank in section 34 421 Comment
  RSA597060  Olea europaea D. L. Banks, Lauren Raz 1996-11-5 1157 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, S of San Gabriel Church; Along a newly established firebreak along a NW-SE running ridgeline, near the water tank. 402 Comment
  UC634680  Oligomeris linifolia Margaret Stason 1927-2-12 Riverside Thousand Palms Canyon; Colorado Desert, Thousand Palms Canyon Comment
  UCR121191  Oligomeris linifolia D. E. Bramlet 1991-5-10 2144 Riverside Perris-Aguanga Basin region, North Domenigoni Hills, 4300-4500 ft. SE from end of Warren Rd., W side of large peak in Sec. 31, just above saddle 610 Comment
  RSA681990  Oncosiphon piluliferum Steve Boyd 2003-4-30 10507 Riverside Mira Loma, along Highway 60 at onramp from Etiwanda Ave. to Hwy 60 westbound. Comment
  POM12613  Opuntia chlorotica P. A. Munz 1922-5-20 5571 Riverside Pipe Creek near Kenworthy, San Jacinto Mountains. 1448 Comment
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May 28 2011
  POM306432  Opuntia chlorotica Scott Haselton 1962-12-28 s.n. Riverside San Jacinto Mountains. Palms to Pines Highway; east side. 1220 Comment
  CAS-BOT-BC56835  Opuntia engelmannii F. R. Fosberg 1932-7-12 8607 Riverside Field redacted by CAS, contact the data manager for more information Comment
  RSA561009  Opuntia littoralis Steve Boyd, Timothy S. Ross 1992-5-4 7201 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  POM83402  Opuntia parryi J. W. Toumey 1895-05 s.n. Riverside Banning. Comment
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Mar 21 2011
  SEINET10732264  Opuntia parryi Andrew Townesmith, Karen M. Meyer; Tracy Scott 2007-3-17 Townesmith 691 Riverside San Bernardino National Forest, San Jacinto Ranger District. 0.9 miles NE of route 74 on Apple Canyon Road. T6S R3E S3 San Bernardino meridian. 1358 Comment
  SD142829  Opuntia phaeacantha Judy Gibson 1998-7-29 191 Riverside Highway 74, desert slope at road edge and under bushes, near Santa Rosa Mountain. (IPB 9/07) Comment
  SEINET9192033 Image available Opuntia phaeacantha Marc A. Baker, Michelle Cloud-Hughes 2015-6-23 18358 Riverside 2.5km north of central Banning, 39km NW of central Palm Springs 841 Comment
  JEPS121582  Orobanche cooperi Adam C. Schneider with Will Freyman 2014-2-15 415 Riverside West side of Highway 177. Comment
  JEPS85938  Orobanche cooperi L. R. Heckard with R. Bacigalupi 1977-3-15 4523 Riverside along Rice Rd. ca. 16 mi. n.e. Desert Center Comment
  RSA788726  Orobanche cooperi Duncan S. Bell 2012-3-8 3153 Riverside Southern section of the Mecca Hills, approximately 2 air miles southeast of where the Coachella Canal and Hidden Springs Canyon cross each other. 68 Comment
  RSA0070484  Orobanche cooperi subsp. cooperi Christopher Davidson 1979-4-4 7707 Riverside Orocopia Mts. Box Canyon on Box Canyon Rd., 5.9 mi. E of Mecca. Narrow side canyon running south from Box Canyon. 304 Comment
  CAS-BOT-BC500135  Orobanche fasciculata Philip A. Munz 1940-3-22 15661 Riverside Whitewater Canyon, 2 mi N of Banning-Indio Hwy Comment
  RSA0081027  Orobanche fasciculata Philip A. Munz 1937-5-31 15124 Riverside Kenworthy, south part of San Jacinto Mts. 1371 Comment
  UC139214  Orobanche fasciculata C. A. Purpus 1898-5 Riverside Palmetto. Comment
  RSA0083183  Orthilia secunda E. C. Jaeger 1921-7-6 1171 Riverside Round Valley. Comment
  CLARK-A1528-871  Orthocarpus densiflorus Charlotte Stocks 1962-5-14 Riverside Anza Comment
  RSA619565  Orthocarpus purpurascens var. purpurascens D. L. Banks 1997-5-5 2003 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
  SD137857  Osmadenia tenella Darin L. Banks, Steve Boyd 1995-5-9 344 Riverside Northwest Palomar Mountains, north of the Agua Tibia Wilderness Area. North slope of Agua Tibia Mountain, the Dorland Mountain area, west of the Dripping Springs Alcove Area, west of Woodchuck Campground 730 Comment
  UCR92776  Osmorhiza brachypoda D. L. Banks, Steve Boyd 1995-3-30 0113 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn, west of the Dripping Springs Alcove, east of the Woodchuck Trail. 713 Comment
  SD137700  Oxalis californica Darin L. Banks, Steve Boyd 1995-5-9 360 Riverside Northwest Palomar Mountains, north of the Agua Tibia Wilderness Area. North slope of Agua Tibia Mountain, the Dorland Mtn area, west of the Dripping Springs Alcove Area, west of Woodchuck Campground 792 Comment
  UC64504  Oxytheca trilobata H. M. Hall 1899-5-20 Riverside San Jacinto Mountains 1828 Comment
  UCR202001  Oxytheca trilobata Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  SEINET2165972 Image available Paeonia californica Janet McIntosh 1966-4-8 7 Riverside Santa Ana Mtns.; East slope of the Elsinore Range, near El Cariso Guard Station. 910 Comment
  CAS-BOT-BC327916  Palafoxia arida Mrs. Robert Campbell 1921-11-26 6 Riverside Between Palm Springs and Indian Wells Comment
  SEINET10941631  Palafoxia arida David B. Dunn, Harold L. Lint 1948-1-25 Dunn 3638 Riverside Found in wash 300 yards below springs. Pushawalla Canyon, Indio Hills or the Colorado desert; west of Indio. Comment
  RSA525251  Papaver californicum Steve Boyd, Tim S. Ross 1990-5-11 4629 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  UCR112132  Papaver somniferum A. C. Sanders, B. Pitzer, T. B. Salvato 1998-4-26 21758 Riverside Box Springs Mtns., Highgrove, mouth of Pigeon Pass Canyon at intersection of Pigeon Pass Rd. and Mt. Vernon Ave. 320 Comment
  LA210409  Parietaria hespera Carl Epling; 1927-3-27 sn Riverside San Jacinto Mountains, Tahquitz Canyon Wash, Palm Springs 138 Comment
  UCR78046  Parietaria hespera var. hespera Scott D. White 1993-4-22 1228 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  RSA0041947  Parkinsonia florida Duncan S. Bell, Loraine Washburn 2014-4-8 s.n. Riverside Orocopia Mountains; at the entrance to Petra Canyon in Red Canyon, approximately 1 air mile north of the Bradshaw Trail. 398 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
  RSA700042  Parosela californica Anonymous 1929-12-26 s.n. Riverside Whitewater Comment
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Nov 9 2011
  RSA763992  Pectis papposa Justin M. Wood, D. M. Ray 2010-10-21 2997 Riverside Chuckwalla Valley NE of Victory Springs and 0.9 km E of Kaiser Road on unmarked 4WD road. 198 Comment
  UCR17641  Pectis papposa Hap Ritter, Paul Mack 1976-10-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, sand dunes southeast of Hopkins Well and west of Wiley's Well Road 152 Comment
  UCR58874  Pectis papposa J. M. Stewart 1989-10-17 619 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, c. 10 mi west of Wiley's Well 305 Comment
  JEPS26051  Pectis papposa var. papposa Lewis S. Rose 1959-1-8 59004 Riverside La Quinta 15 Comment
  SEINET10292270 Image available Pectis papposa var. papposa April Garbat, Deirdre Conocchioli 2013-9-12 125 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: East of Alligator Rock; From I-10 at Desert Center, head south on CA-177 to BLM 394 (dirt). Collection site is 1.1 miles SW of insterstate exit ramp. 334 Comment
  RSA779010  Pectocarya heterocarpa Duncan S. Bell 2010-4-1 644 A Riverside Arica Mountains: collecting near the Atchinson, Topeka, and Santa Fe railroad tracks approximately 3 air miles east of Priest Well, or approximately 4.3 air miles southeast of the ghost town of Rice. 216 Comment
  UCR113997  Pectocarya linearis Mitch Provance 2000-5-5 2014 A Riverside Riverside, Box Springs Mtns., canyon c. 0.5 mi. NE of peak 2553 and c. 0.5 mi. SW of the old landfill off Pigeon Pass Rd. 488 Comment
  UCR226063  Pectocarya linearis A. C. Sanders, T. B. Salvato 2011-4-1 38966 Riverside Peninsular Range, Lake Elsinore, hilltop 90 m NE of intersection of Baker St. and Bunker St., 0.35 km NW of Hwy 74 401 Comment
  OBI23292  Pectocarya linearis subsp. ferocula Robert F. Hoover 1969-4-14 11234 Riverside Palm Springs, just S of city limit Comment
  RSA614178  Pectocarya penicillata D. L. Banks 1997-2-17 1281 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, along Pechanga Road in the Reservation, approximately 10 m west of the Pechanga Tribal Government Center. 367 Comment
  RSA777853  Pectocarya platycarpa Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 843 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
  RSA779011  Pectocarya platycarpa Duncan S. Bell 2010-4-1 644 B Riverside Arica Mountains: collecting near the Atchinson, Topeka, and Santa Fe railroad tracks approximately 3 air miles east of Priest Well, or approximately 4.3 air miles southeast of the ghost town of Rice. 216 Comment
  RSA78764  Pectocarya platycarpa P. A. Munz 1952-4-15 17340 Riverside Canyon 2 miles west of Monument Peak, Joshua Tree National Monument. 1067 Comment
  UC886638  Pedicularis densiflora P. A. Munz 1922-4-29 5117 Riverside 5 mi w of Aguanga 670 Comment
  RSA0030780  Pedicularis semibarbata N. C. Cooper 1944-6-17 1409 Riverside San Jacinto Mtns. Pine Cove. 1677 Comment
  UCR162271  Pellaea mucronata S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, Juan Diego Flats on powerline trail west to Reed Valley, NW of Cahuilla Mountain 1244 Comment
  POM11755  Pellaea mucronata var. mucronata P. A. Munz, I. M. Johnston 1922-5-19 5435 a Riverside Hemet Valley, San Jacinto Mountains. 1402 Comment
  JOTR32899  Pennisetum setaceum La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1543 Riverside Joshua Tree National Park. Little San Bernardino Mountains, east of Queen Mountain, near north entrance to park; basalt rocky outcrops 901 Comment
  UCR83331  Pennisetum setaceum A. C. Sanders 1994-5-15 14485 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the E bank of the Santa Ana River 400 Comment
  POM259128  Penstemon californicus Philip A. Munz 1938-8-14 15378 Riverside East of Toro Peak 2287 Comment
  RSA658634  Penstemon centranthifolius G. Fall 1970-5-18 0 -156 Riverside Gavalin Hills. Collected 2.8 mi. S. of Mocking Bird Cyn. Rd. on Gavalin Hills Rd. 274 Comment
  CAS-BOT-BC6619  Penstemon clevelandii var. connatus Harvey Monroe Hall 1901-6-18 2149 Riverside San Jacinto Mountains, eastern base, along the borders of the Colorado Desert 1371 Comment
  JOTR30254  Penstemon clevelandii var. mohavensis Leary, C. and Leary, Pat 1979-5-6 3025 Riverside Joshua Tree National Park. Barker Dam, Joshua Tree National Monument, T2S R8E sec 4 Comment
  UC397415  Penstemon eatonii var. undosus P. A. Munz 1921-5-1 4541 Riverside Pinyon Wells Pinyon Wells (Southern California) 1219 Comment
  UC1409152  Penstemon heterophyllus var. australis Robert F. Thorne and Earl Lathrop 1969-6-6 39333 Riverside Rancho California , Rancho California (Santa Rosa Plateau) 609 Comment
  CLARK-A1528-4315  Penstemon pseudospectabilis John C. Roos 1949-4-10 4227 Riverside Chuckwalla Mountains Comment
  UCR35237  Penstemon rostriflorus L. B. Ziegler 1964-8-4 39 Riverside San Jacinto Mtns, Garner (= Hemet) Vallley, from 'Hidden Canyon' above Thomas Mt. Subdivision 1433 Comment
  OBI35637  Penstemon spectabilis Norman C. Cooper 1944-6-17 1422 Riverside San Jacinto Mtns above Banning 1067 Comment
  UC1505621  Pentagramma maxonii Robert T. Clausen and Harold Trapido 1940-6-18 4675 Riverside mouth of Chino Canyon; Salton Sea Basin 457 Comment
  LA3453  Pentagramma triangularis subsp. viscosa Norman C. Cooper; 1944-4-8 1085 Riverside Andreas Canyon. 457 Comment
  RSA0034536  Peritoma arborea D. Dunlop 1977-3-21 204 Riverside Desert Hot Springs. Comment
  CAS-BOT-BC77482  Peritoma arborea var. angustata Philip A. Munz 1949-4-13 13042 Riverside Above Cottonwood Springs, west end Eagle Mts., Colorado Desert 1097 Comment
  CAS-BOT-BC77525  Peritoma arborea var. arborea Munz; Street; Williams 1919-3-28 2461 Riverside San Gorgonio Pass between Whitewater & Cabazon Comment
  PASA1570  Perityle emoryi 1926-2-21 Riverside Thousand Palms Comment
  SEINET7373942 Image available Perityle emoryi Duncan S. Bell, Evan Meyer 2014-4-2 6510 Riverside Orocopia Mountains: Orocopia Mountains Wildnerness area; southern section of range; approx. 1 air mi NW of Canyon Spring. 422 Comment
  UCR103584  Perityle emoryi George K. Helmkamp, E. A. Helmkamp 1998-2-18 2717 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; 0.3 mi south of Chuckwalla Rd. on Graham Pass Rd. 122 Comment
  UCR34955  Perityle emoryi L. B. Ziegler 1973-3-6 496 Riverside San Jacinto Mtns, Desert side of Hwy 74, Carriso [Carrizo] Creek 765 Comment
  RSA0021423  Perityle emoryi A. L. Haines 1973-3-25 s.n. Riverside Orocopia Mountains 473 Comment
  SEINET10908392  Perityle emoryi David B. Dunn, Howard Brown 1947-1-12 Dunn 2844 Riverside Pushawalla Canyon, Indio Hills. Comment
  CAS-BOT-BC167768  Petalonyx thurberi C. Epling; Wm. Robison 1933-6-26 s.n. Riverside Little San Bernardino Mts. Basin 5 mi. south, Lost Horse Wells Comment
  JEPS41239  Petalonyx thurberi W. L. Jepson and H. M. Hall 1901-5-22 1399 a Riverside s. of Hemet's Valley (Palm Canyon and return to Van Deventer's); Mt. San Jacnto, Palm Canyon Comment
  POM84170  Petalonyx thurberi Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 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
  RSA653584  Petunia parviflora A. C. Sanders, David E. Bramlet, Mihai Costea, T. Salvato 1999-10-15 23174 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. S of Eden Hot Spr. [UTM 10km cell: 11S MH-9E, 4N. Mt. Rudolph] 433 Comment
  CAS-BOT-BC326738  Peucephyllum schottii Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio Comment
  RSA94111  Peucephyllum schottii F. W. Peirson 1918-03 1244 Riverside SE side of desert embankment at Palm Springs and almost opposite Andreas Canyon. Comment
  RSA427707  Phacelia campanularia Frances L. Cramer 1941-5-3 20319 Riverside Joshua Tree National Monument Comment
  UCR282305  Phacelia campanularia subsp. campanularia Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-3-29 869 Riverside San Bernardino Mountains, Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 610 Comment
  SD185237  Phacelia cicutaria var. hispida A. C. Sanders, Seung-Chul Kim 2005-5-7 30009 Riverside UC Emerson Oaks Reserve, ca. 8.0 miles southeast of Temecula, south of Highway 79 at east end of Pauba Valley. 456 Comment
  RSA666588  Phacelia ciliata A. C. Sanders, Sue Nash, Tom Paulek 2002-4-7 24902 Riverside San Jacinto Wildlife Area, west side of Davis Rd., just north of the old San Jacinto River channel (levee), 2.25mi. N of Lakeview. 434 Comment
  SBBG11798  Phacelia crenulata H. and M. Dearing 1937-4-10 1452 Riverside 16 mi N of Indio Comment
  RSA797512  Phacelia crenulata var. ambigua C. P. Cowan 1978-4-23 1172 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon. 570 Comment
  UCR102923  Phacelia crenulata var. ambigua George K. Helmkamp, E. A. Helmkamp 1998-2-5 2669 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 Comment
  SBBG14721  Phacelia curvipes P. H. Raven 1962-5-18 17756 Riverside Rd to Indian Hill Cyn 0.6 mi E of Santiago Pk 1615 Comment
  JEPS2009  Phacelia distans W. L. Jepson 1939-4-17 19128 Riverside near Twin Sprs. (n end of canyon, sw Riverside Co.); Temescal Canyon Comment
  JEPS2381  Phacelia distans Dr. L. M. Newlon 1922-4-3 425 Riverside 6 mi w Indian Wells; Colorado Desert, Coachella Valley Comment
  RSA426209  Phacelia distans N. C. Cooper 1945-5-24 1633 Riverside Big Oaks Canyon, Banning 1220 Comment
  RSA511360  Phacelia distans B. Pitzer 1988-3-12 664 Riverside Santa Rosa Mtns., Pinyon Flats Campground. 1220 Comment
  SBBG11789  Phacelia distans H. and M. Dearing 1937-4-10 1463 Riverside NE of Indio Comment
  UC489020  Phacelia distans C. V. Meyer 1929-6-13 753 Riverside Chalk Hill San Jacinto Mts. 1371 Comment
  UCR98837  Phacelia hastata subsp. hastata L. C. Wheeler 1945-10-6 6135 Riverside San Jacinto Mtns, head of west fork of Snow Creek 2378 Comment
  SEINET10697869  Phacelia imbricata Salvato 2004-5-27 SALVATO 620 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. Upper canyon, pine woodland. 1402 Comment
  JEPS1111  Phacelia imbricata subsp. patula Carl V. Meyer 1928-7-30 592 Riverside Saunders Meadow San Jacinto Mts. 1706 Comment
  UCR8339  Phacelia imbricata subsp. patula B. Freeman 1969-7-25 690625- 34 Riverside San Jacinto Mtn., University of California James Reserve, Trailfinders' Camp, near Lake Fulmor, on road from Banning to Idyllwild 1646 Comment
  UC68788  Phacelia ivesiana var. pediculoides L. A. Greata Apr. 1905 402 Riverside Coachella Comment
  RSA151625  Phacelia minor R. C. Bacigalupi 1954-4-25 4397 Riverside First-year burn along Califor. Highway 79, close to summitof St. Jones Grae, +- 0.75 miles. south of Sage [9 1/2 miles north of juntion with Calif. Highway 71] 732 Comment
  RSA516879  Phacelia minor Steve Boyd 1986-3-1 1361 Riverside Gavilan Hills, Gavilan Plateau: 1/4 mile south of Harford Springs County Park 640 Comment
  UC1523628  Phacelia minor Robert F. Thorne, Walter Wisura, Earl Lathrop, and Sara Meury 1985-5-18 60626 Riverside along Clinton Keith Rd near base of plateau; Santa Rosa Plateau 430 Comment
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Aug 4 2007
  RSA550341  Phacelia minutiflora Walter Wisura, John Dolan, M. Wall 1992-3-25 4647 Riverside Low Desert: Ford Dry Lake N of I-10 at Hopkins Well. Comment
  SBBG64962  Phacelia mutabilis R. Hoffmann 1929-9-6 Riverside above Tahquitz Valley 2438 Comment
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Sep 2 2009
  UCR268310  Phacelia ramosissima Jim Andre 2012-6-15 30496 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243 at Mount Edna Road, c. 1 mile north of McMullen Flat, 5.9 miles south of Hwy I-10 at Banning 1172 Comment
  POM122256  Phacelia ramosissima var. latifolia Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  RSA779695  Phacelia rotundifolia Duncan S. Bell 2010-4-2 706 Riverside Arica Mountains: collecting along the mountains ridgeline, approximately 0.75 air mile north of summit. 592 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
  CLARK-A1045-176  Phalaris caroliniana George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains vernal pool; Wildomar 7.5'Q 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
  UCR28622  Phaseolus filiformis A. C. Sanders 1982-12-19 3451 Riverside Sonoran (Colorado) Desert, foot of Santa Rosa Mtns, Coachella Valley, south side of the ridge forming the south boundary of Martinez Canyon; west end of Ave 74, 2.6 miles west of Polk Street 122 Comment
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Feb 9 2010
  LA9766  Phleum alpinum Martha Hilend; 1928-8-7 sn Riverside Mount San Jacinto, Round Valley, Idllywild Comment
  POM13139  Phlox austromontana P. A. Munz, I. M. Johnston 1922-5-19 5450 Riverside Keen Camp, San Jacinto Mountains 1524 Comment
  SD67915  Phlox austromontana Reid Moran 1968-8-3 15364 Riverside On rocky north slope, ridge 1 mile NW of Toro Peak. 2250 Comment
  UCR35056  Phlox austromontana L. B. Ziegler 1972-5-4 450 Riverside San Jacinto Mountains, near and above Morris Ranch area 1524 Comment
  RSA0120627  Phoenix canariensis Duncan S. Bell, Thomas Stoughton 2016-3-16 8941 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southeastern section of range, approximately 2.5 air miles northeast of Gucci Spring. 408 Comment
  CAS-BOT-BC135103  Phoradendron californicum Roxana S. Ferris 1918-6-15 997 Riverside in a wash 12 miles E of Showers Well Comment
  RSA640171  Phoradendron californicum Louis C. Wheeler 1964-10-17 8641 Riverside North side of Orocopic Mountains: South of Hayfield Reservoir. Comment
  SD84924  Phoradendron californicum Nancy Ryan Zabriske, Walter Zabriskie 1971-10-24 460 Riverside southeast of turnoff to clubhouse from Andreas Canyon Club road; Andreas Canyon Watershed, east slope San Jacinto Mountains 320 Comment
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Jun 21 2013
  UCR48557  Phoradendron californicum J. Glazner 1985-3-24 s.n. Riverside Sonoran (Colorado) Desert Edge; San Gorgonio Pass, Cabzon, 3 mi NW of city and I-10 on Fields Road 564 Comment
  UCSB8022  Phoradendron californicum Keefe, Joseph 1967-2-26 Riverside 3.1 miles north of Imperial county line, south of Indio Comment
  UCR270703  Phoradendron densum John F. Emmel 1998-8-3 1583 Riverside Peninsular Range, north end of the Santa Rosa Mountains, south base of Sugarloaf Mountain, Pinyon Flat 1220 Comment
  UCR83575  Phoradendron densum A. C. Sanders, P. J. MacKay, L. Lubinsky, Pesach Lubinsky 1994-10-30 15853 Riverside San Bernardino Mtns., Whitewater River Canyon between Red Dome & Stills Landing, SE of VABM Paw (2988 ft.) 854 Comment
  CAS-BOT-BC135180  Phoradendron juniperinum H. M. Hall 1901-7-1 2565 Riverside Fuller's Mills Mountains. San Jacinto Mts. 1889 Comment
  RSA601104  Phoradendron macrophyllum A. C. Sanders, J. Goetzen 1996-5-1 18141 Riverside San Bernardino Mtns: Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, N of Banning 793 Comment
  RSA612368  Phoradendron villosum D. L. Banks, Joe Moreno 1997-2-5 1254 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The area 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. 402 Comment
  JOTR29188  Physalis crassifolia La Doux, Tasha 2005-9-8 1300 Riverside Joshua Tree National Park. Fried Liver Wash 395 Comment
  OBI9161  Physalis crassifolia Robert F. Hoover 1966-10-15 10180 Riverside Bighorn Dr, San Jacinto Mts. At base of rocks Comment
  RSA28050  Physalis crassifolia I. L. Wiggins 1941-3-27 9673 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  SBBG99847  Physalis crassifolia W. L. Halvorson 1977-3-25 77 -198 Riverside N of Mecca, N of Salton Sea Comment
  SD181325  Physalis crassifolia Scott D. White 2000-10-24 8140 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 609 Comment
  UC1329897  Physalis crassifolia James E. Cole 1941-4-13 593 Riverside Summit of Pinto Pass; Joshua Tree National Monument Comment
  UC1546690  Physalis crassifolia Barry A. Prigge 1988-2-21 7857 Riverside 2 mi w Clemens Well; Imperial Desert, Orocopia Mountains 228 Comment
  UCR89671  Physalis crassifolia George K. Helmkamp 1994-3-10 42- 23 Riverside Sonoran (Colorado) Desert, Indio Hills, canyon opening into Coachella Valley, 2 miles east of Thousand Palms on Ramon Road, and 1.3 miles north 122 Comment
  UCD116162  Physaria tenella C. L. Hitchcock 1966-3-20 24309 Riverside About 30 mi. n. of Ogilby, along rd. to Blythe. Comment
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Mar 2 2013
  UCD98404  Phytolacca americana var. americana Don Domenigoni 1986-4-21 s.n. Riverside At the Young property, Hemet. Comment
  RSA384332  Pinus flexilis George R. Johnstone 1928-9-8 s.n. Riverside Mt. San Jacinto, Calif. Wind swept timber. 3288 Comment
  RSA0031609  Pinus lambertiana Rudolf Schmid, Mena Schmid 2009-5-1 2009 -3 Riverside nw. San Jacinto Mtns., ne. of HW 243 ca. 16 highway km nw. of Idyllwild, in the s. unit of the San Bernardino National Forest, on sw. flank of Black Mtn. Right (as ascending) of Black Mountain Trail on slope covered with Pteridium aquilinum and near, drainage (Indian Creek) with Alnus rhombifolia, uppermost Hall Canyon. 2066 Comment
  UC2013410  Pinus lambertiana Rudolf Schmid and Mena J. Schmid 2009-5-1 2009 -3 Riverside NW San Jacinto Mountains NE of Highway 243 ca. 16 highway km NW of Idyllwild, in the S unit of the San Bernardino National Forest, on SW flank of Black Mountain (summit). Righ of Black Mountain Trail on slope covered with Pteridium aquilinum and near drainage (Indian Creek), uppermost Hall Canyon Comment
  RSA384463  Pinus quadrifolia Mark Morris 1929-3-17 s.n. Riverside Near Santa Rosa Mt. Calif. Pinon Flats. Comment
  RSA505025  Pinus quadrifolia D. Charlton 1988-5-21 1908 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on Hwy 74 1677 Comment
  UCSB150  Pinus quadrifolia Haller, John 1950-5-21 Riverside San jacinto Mtns., Hemet Valley, Palms-Pines Highway, 9 miles from Idyllwild Road 1524 Comment
  RSA595275  Piptatherum miliaceum D. L. Banks, Victor Steinmann 1996-4-20 896 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. 536 Comment
  UCR209164  Pistacia atlantica A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37157 Riverside Peninsular Range, Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  UCR135821  Pistia stratiotes A. C. Sanders, C. L. Sanders, D. L. Sanders 2004-5-23 27963 Riverside Sonoran (Colorado) Desert, Coachella Valley, northeast end of the Salton Sea, near end of Johnson St. -70 Comment
  UCR219072  Pistia stratiotes Dave Goodward 2010-10-6 s.n. Riverside Sonoran (Colorado) Desert, Thermal, 89635 Ave. 81, west of Hwy 86 and Harrison St. -35 Comment
  UCR96810  Pityrogramma triangularis var. triangularis A. C. Sanders, O. F. Clarke & H. Forster 1997-3-2 19764 Riverside Box Springs Mountains, E side of the range in Pigeon Pass area, above W end of Quail Call Drive, in canyon just west of section line. 610 Comment
  RSA709637  Plagiobothrys acanthocarpus A. C. Sanders, Guy Bruyea 2004-4-2 27448 Riverside Peninsular Range: Temescal Canyon, Serrano Highlands project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 305 Comment
  UC2029937  Plagiobothrys acanthocarpus Steve Boyd 2001-4-12 10409 Riverside GAVILAN HILLS REGION: Southeast base of Alberhill Mountain on flats north of Nichols Road and West of Pierce Street, in the vicinity of the site of Terra Cotta. Comment
  UC882293  Plagiobothrys arizonicus Mary F. Spencer 1922-4-23 2086 Riverside near Banning; Millard Canyon 716 Comment
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Mar 13 2011
  UCR62652  Plagiobothrys bracteatus Ed LaRue 1990-5-23 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, just north of Tenaja Rd. and just west of Deluz Creek. 671 Comment
  CLARK-A1528-339  Plagiobothrys californicus var. californicus Roberta H. Smith 1969-5-4 26 Riverside Lake Mathews 435 Comment
  HSC86913  Plagiobothrys canescens L. F. LaPre, J. Easton 1988-1-21 Riverside Gavilan Plateau, Steele Peak. Comment
  SD181658  Plagiobothrys canescens Scott d. White 1999-5-2 7282 Riverside Perris/sun City area, just east of Goetz road and south of Ethanac road. Ca. 1.5-2.0 miles west of I-215. 440 Comment
  UCR152648  Plagiobothrys collinus A. C. Sanders 2005-4-22 29599 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR96805  Plagiobothrys collinus A. C. Sanders 1997-3-1 19757 Riverside Box Springs Mountains, E side of Pigeon Pass Valley c. 1/2 mile NW of Lawless Ranch, east of intersection of Hidden Springs Road and Pigeon Pass Road. 579 Comment
  CAS-BOT-BC334461  Plagiobothrys collinus var. californicus A. C. Sanders; John F. Green 2013-3-27 40684 Riverside Peninsular Range: Alberhill, dirt track NE of new sectionof Nichols Rd. S of Lake St. 433 Comment
  JEPS29299  Plagiobothrys collinus var. californicus Rimo Bacigalupi and L. Heckard 1962-3-25 8394 Riverside ca. 5 mi. s.e. Corona (just n. of Bedford Canyon, e. base Santa Ana Mts.1000 ft); Santa Ana Mts. Comment
  POM368913  Plagiobothrys collinus var. californicus Albert J. Perkins 1895-04 s.n. Riverside Near Riverside, Calif. Comment
  RSA655091  Plagiobothrys collinus var. californicus Scott D. White 2000-4-17 7651 Riverside Menifee / Sun City Area: South of McColl Ave. and east of I-215 freeway. 442 Comment
  SD39241  Plagiobothrys collinus var. fulvescens Edith A. Purer 1935-4-21 6446 A Riverside Pine Valley Comment
  UCR246593  Plagiobothrys collinus var. fulvescens A. C. Sanders 2012-3-22 39986 Riverside Peninsular Range; Temescal Valley, foot of Santa Ana Mtns., SE of intersection of Glen Eden Rd. and I-15 Frontage Rd., south of Corona (Lee) Lake 378 Comment
  POM368988  Plagiobothrys leptocladus F. R. Fosberg 1932-5-9 10640 Riverside near Perris Comment
  OBI33570  Plagiobothrys nothofulvus A. C. Sanders & T. Glenn, T. Glenn 1983-4-17 3737 Riverside Mesa de Colorado, Santa Ana Mts, 5 mi (airline) SW of Murrieta 610 Comment
  RSA709076  Plagiobothrys nothofulvus Jeri Hirshberg 1989-3-15 s.n. Riverside Santa Ana Mtns.: Santa Rosa Plateau, south of town of Murrieta; small mesa SW of Mesa de Burro. 10 Comment
  RSA556512  Plantago bigelovii subsp. californica Julie Greene 1993-4-10 1155 a Riverside San Jacinto Wildlife Area. Sloping drainage from Davis Road. 436 Comment
  RSA85580  Plantago erecta J. C. Roos 1952-4-2 5461 Riverside Box Springs. 488 Comment
  UCR120952  Plantago erecta A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23892 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  UCR151202  Plantago erecta Steve Boyd 2001-4-12 10413 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Gavilan Hills Region: South base of Alberhill Mountain on flats north of Nichols Road and West of Pierce Street, in the vicinity of the site of Terra Cotta Comment
  POM158181  Plantago major P. A. Munz, I. M. Johnston 1928-9-6 11267 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  JOTR28953  Plantago ovata La Doux, Tasha 2005-3-30 1189 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  SEINET12616463  Plantago ovata Jim Andre, T. La Doux 2010-2-28 12553 Riverside Lower Colorado River Valley; along Hwy 95 c. 25 miles north of Blythe, on east side of Big Maria Mountains, under radio tower 83 Comment
  UCR214427  Plantago ovata A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37497 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  UCR260888  Plantago ovata A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41427 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  SBBG7273  Plantago ovata var. fastigiata H. and M. Dearing 1938-3-5 1960 Riverside between Blythe and Desert Center Comment
  UC845549  Platanthera I. W. Clokey and E. G. Anderson 1935-8-21 6561 Riverside Fuller Creek 1500 Comment
  CAS-BOT-BC93211  Platanus racemosa Carl B. Wolf 1932-5-24 3647 Riverside Snow Creek Canyon, 0.5 mile below the fish hatchery, north base of San Jacinto Mountain. 548 Comment
  SBBG97299  Platanus racemosa W. L. Halvorson 1977-4-1 77 -215 Riverside 5 mi S of Temecula on Hwy S16 Comment
  UC527330  Platanus racemosa B. D. Stark Nov. 1933 5555 Riverside Andreas Canyon San Jacinto Mts. (desrt side of mts.) Comment
  LA206260  Platystemon californicus Elizabeth McClintock; 1938-5-30 sn Riverside San Jacinto Comment
  UC167976  Platystemon californicus Katharine Brandegee and Charlotte M. Wilder May 12 1905-May 17 1905 Riverside Wilders near Riverside; near Riverside Comment
  UCR35346  Platystemon californicus L. B. Ziegler 1967-4-25 119 Riverside Perris-Aguanga Basin, Pauba Ranch [SE of Temecula in Pauba Valley, off Hwy 79] 381 Comment
  RSA0034947  Platystemon californicus var. crinitus Lee Haines 1951-5-20 5152 Riverside VandeVenter Flats, San Jacinto Mts. 1524 Comment
  RSA0014931  Plectritis ciliosa LeRoy Gross, Caitlin Elam, Evan Meyer 2013-5-7 6039 Riverside West of the community of Pine Cove, near Idyllwild. Out-skirt of the community and Red Hill road (5S10). Near 1720 Comment
  RSA0013229  Pleuraphis rigida April Garbat, Sarah De Groot 2013-4-9 45 Riverside Blythe-Rice Rd at a wash at the bottom of Rice Valley, 1.9 mi S of Hwy 62. 243 Comment
  RSA775945  Pleuraphis rigida Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 955 Riverside Dune system along Midland Rice Road, South of Arica Mountains. 305 Comment
  SEINET3402275  Pleurocoronis pluriseta H. M. Hall 1905-4-16 5795 Riverside Marshall Canon, 1km W of Coachella, Colorado Desert, in the Lower Sonoran Zone. 30 Comment
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Aug 24 2013
  UCR18637  Pleurocoronis pluriseta John C. Roos 1966-3-10 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns. 3 mi. SE of Desert Center Comment
  UCR60788  Pleurocoronis pluriseta Steve Boyd, O. Mistretta 1986-3-13 1482 Riverside Sonoran (Colorado) Desert, West side Palen Mtns: NE of Desert center; first large canyon at NW tip of western segment of range Comment
  HSC28064  Pluchea sericea Richard Spjut 1973-5-4 3349 Riverside Colorado Desert, Corn Spring, Chuckawalla Mtns. 305 Comment
  POM56713  Pluchea sericea C. F. Baker 1903-4-4 4148 Riverside Elsinore. Comment
  POM8378  Pluchea sericea Mary F. Spencer 1918-3-28 782 Riverside In Palm canyon. 183 Comment
  CAS-BOT-BC246626  Poa howellii S. B. Parish 1907-4-18 6141 Riverside Tahquitz on West Canon [Canyon], Palm Springs. Western border of the Colorado Desert 200 Comment
  POM204879  Poa pratensis S. F. Blake 1901-6-2 s.n. Riverside Rayneta, Riverside County Comment
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May 26 2013
  RSA403529  Poa secunda Ora M. Clark 1929-3-16 1713 Riverside N. Whitewater. Comment
  UCD90300  Poa secunda A. A. Beetle 1944-4-27 3006 Riverside West of Murietta. Comment
  CAS-BOT-BC242998  Poa secunda subsp. secunda H. M. Hall 1900-6-1 1439 Riverside Lytle Creek Canyon, San Antonio Mountains 1752 Comment
  UCR241674  Polycarpon tetraphyllum O. F. Clarke 2010-5-28 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 365 Comment
  UCR229493  Polygonum argyrocoleon 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
  POM49095  Polygonum bistortoides P. A. Munz, I. M. Johnston 1924-7-27 8769 Riverside Deer Springs, San Jacinto Mountains 2500 Comment
  UCR119815  Polygonum lapathifolium A. C. Sanders, Mitch Provance 1999-9-26 23095 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area 1323 Comment
  RSA799069  Polypogon monspeliensis Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6865 Riverside South side of Joshua Tree National Park, Cottonwood Spring 905 Comment
  RSA741556  Polypogon viridis Justin M. Wood 2008-9-30 175 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  RSA7205  Populus fremontii E. E. Gready 1933-02 4531 Riverside Colorado River near Blythe Bridge. 91 Comment
  UCR119418  Populus fremontii Mitch Provance 1998-6-24 712 Riverside Jurupa Mountains, Canyon NE of the Jurupa Mountains Culture Center, c. 0.7km SW of peak 1701. 335 Comment
  CAS-BOT-BC6241  Populus fremontii subsp. fremontii Samuel Bonsal Parish 1913-2-28 8471 Riverside Salton Basin, Mecca flats -60 Comment
  UC729747  Populus fremontii subsp. fremontii Carl B. Wolf 1932-4-28 3084 Riverside along the Colorado River near Blythe Bridge (Colorado Desert); , along the Colorado River 91 Comment
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Mar 26 2011
  SBBG125897  Populus trichocarpa A. C. Sanders with R. E. Riefner Jr. 2009-8-11 37158 Riverside Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River, near old boy scout camp 238 Comment
  CLARK-A1528-2063  Porophyllum gracile John C. Roos 1946-11-30 3169 Riverside Chuckwalla Mountains Comment
  POM121859  Porophyllum gracile Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring, Colorado Desert. Comment
  UC69033  Porophyllum gracile H. M. Hall 1905-5-2 5977 Riverside Chuckawalla Mt. Colorado Desert Comment
  RSA793473  Portulaca oleracea Duncan S. Bell 2012-9-13 4194 Riverside 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
  UC213651  Potamogeton crispus S. B. Parish 1919-4-19 19248 Riverside Santa Ana River near Corona; Santa Ana River Comment
  RSA575894  Potamogeton foliosus Steve Boyd 1994-10-14 8387 Riverside Southern San Mateo Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest. San Mateo Canyon, in canyon bottom at the confluence with Bluewater Canyon 329 Comment
  UCR240622  Potentilla glandulosa Tracy Tennant, Mitch Provance 1998-6-16 MOR- 433 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon, in wash just north of woodland stand M15 1098 Comment
  UCR201425  Potentilla glandulosa subsp. reflexa Scott D. White, Justin M. Wood 2008-6-17 12156 Riverside San Jacinto Mountains, south of Hwy 79 near Keen Camp Summit 1463 Comment
  POM299275  Prenanthella exigua Louise Kellogg 1941-5-23 2221 Riverside 3.5 miles NE of cottonwood Spring, Eagle Mtns. 1067 Comment
  SDSU12251  Primula clevelandii var. clevelandii Lara Tikkanen, Taxonomy of California Plants class, M. G. Simpson, instructor 2000-4-1 2 Riverside Comment
  UCR163074  Proboscidea althaeifolia B. G. Pitzer, G. R. Ballmer 2000-10-14 4232 Riverside Sonoran (Colorado) Desert, large wash c. 5.3 miles east of Ford Lake Rd. and 1 mile west of Wiley's Well Rd., off gasline road c. 200 yards south of Hwy I-10 115 Comment
  RSA1019  Prosopis pubescens J. T. Howell 1927-8-1 524 Riverside Mission Creek, Colorado Desert. 610 Comment
  CAS-BOT-BC151118  Prunus fremontii Ivan Johnston 1917-4-4 1101 Riverside Palm Canyon - Colorado Desert 670 Comment
  SD72238  Prunus ilicifolia R. S. Woglum 1934-3-18 631 Riverside Snow Creek, north slope Mt. San Jacinto Comment
  RSA29756  Psathyrotes ramosissima Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs. 61 Comment
  UC566626  Psathyrotes ramosissima Margaret Stason 1927-2-12 Riverside 1000 Palm Canyon Colorado Desert Comment
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1
  UC963832  Psathyrotes ramosissima Helen K. Sharsmith 1952-4-11 4063 Riverside 7 mi s Highway 60-70 (nw base of Chuckawalla Mountain); Colorado Desert, Chuckawalla Mountains 533 Comment
  RSA3116  Pseudognaphalium biolettii C. B. Wolf 1932-2-11 2645 Riverside Hidden Canyon 5 mi. W. of Corona at base of Santa Ana Mts. 405 Comment
  RSA736853  Pseudognaphalium leucocephalum Scott D. White, Angelia Carey 2004-7-2 10594 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  OBI16414  Pseudognaphalium microcephalum Tracey & Viola Call, Viola Call 1962-4-13 2130 Riverside Tin Mine Cyn near Corona Comment
  RSA393769  Psilocarphus brevissimus Christopher Davidson 1977-5-25 5663 Riverside Mesa de Burro; Santa Rosa Plateau area of Santa Ana Mountains 701 Comment
  CAS-BOT-BC361791  Psilocarphus brevissimus var. brevissimus E. W. Lathrop 1966-5-1 6244 Riverside 3 miles W of Murrieta Comment
  RSA760353  Psilocarphus brevissimus var. brevissimus R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55213 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road 730 Comment
  UCR138156  Psilocarphus tenellus var. tenellus D. L. Banks 1997-3-29 1625 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Headwaters of Pala Creek at the S extremity of the Reservation, north of the Riverside/San Diego Co. line, west of the intersection of Magee Truck Trail and Moreno Rd including a large area of vernally wet grassland at the extreme SW corner of the Reservation 409 Comment
  UCR264249  Psilostrophe cooperi A. C. Sanders 2015-9-11 41868 Riverside Sonoran (Colorado) Desert, Bradshaw Trail at border of Chocolate Mountains Aerial Gunnery Range, 2.25 miles east of Gasline Rd. 646 Comment
  CAS-BOT-BC353583  Psorothamnus arborescens var. simplicifolius O. F. Sillig 1911-5-21 s.n. Riverside Palm Springs, Colorado Desert Comment
  UCR241192  Psorothamnus arborescens var. simplicifolius T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 374 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  CAS-BOT-BC353616  Psorothamnus emoryi L. R. Abrams 1926-3-26 11098 Riverside Between Edom and Garnet east of San Gorgonio Pass Comment
  JEPS41733  Psorothamnus emoryi W. L. Jepson 1914-5-24 6060 Riverside Colorado Desert, Palm Springs of Mt. San Jacinto Mt. San Jacinto; Colorado Desert, Palm Springs of Mt. San Jacinto 121 Comment
  SEINET10906978  Psorothamnus emoryi Chris Dietrich, Mary Merello; Heidi H. Schmidt 1994-4-13 Dietrich 31 Riverside 7.5 miles south of North Shore on State Highway 111. Along highway on east shore of Salton Sea. Sandy beach soil with creosote bush common. 40 Comment
  UC65020  Psorothamnus emoryi E. E. Schellenger 1904-10-15 37 Riverside Palm Springs Colorado Desert, Palm Springs (near town, Colorado Desert, Southern California) Comment
  LA205162  Psorothamnus fremontii var. fremontii Carl Epling; William Robison 1933-6-24 sn Riverside Little San Bernardino Mountains, San Gorgonio Wash near Banning Comment
  JOTR32316  Psorothamnus schottii Herskovits, Tasya 2011-5-25 s.n. Riverside Joshua Tree National Park. Cottonwood Mountains; Large sandy, open wash flowing southeast to Cottonwood Canyon; Near convergence of both drainage systems and Pinto Basin road (Stop 2) Comment
  POM46968  Psorothamnus schottii Mary F. Spencer 1918-4-11 758 Riverside Chino Canyon, Palm Springs 168 Comment
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Feb 18 2013
  RSA336188  Psorothamnus schottii Robert F. Thorne 1978-4-23 52045 Riverside Just E of Palm Desert. Comment
  RSA654883  Psorothamnus schottii T. B. Salvato, A. C. Sanders, Mitch Provance 2000-4-18 47 Riverside Coachella Valley: 2 mi NE of Mecca near mouth of Painted Canyon at foot of Mecca Hills, W edge of Coachella Canal. 9 Comment
  JEPS41654  Psorothamnus spinosus Marjorie Clary Oct 1930 13 Riverside Coral Reef Ranch Coachella Valley -13 Comment
  JOTR32399  Psorothamnus spinosus Harding, Mitzi, A. Benton 2011-7-13 16 Riverside Joshua Tree National Park. Pinto Basin; Smoke Tree Wash; sandy, open flat along Pinto Basin road, just north of Smoke Tree Wash 809 Comment
  POM19645  Pterospora andromedea Mary F. Spencer 1923-7-30 2270 Riverside Banning road prope [near] Idyllwild. San Jacinto Mt. 1829 Comment
  SDSU13935  Pterostegia drymarioides Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2139 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  UCR174368  Pterostegia drymarioides A. C. Sanders 2006-5-19 32404 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  SD260958  Quercus Mitch Provqance 2012-9-5 912 15 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
  UCR174133  Quercus agrifolia A. C. Sanders, T. B. Salvato 2006-6-2 33083 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCD45075  Quercus agrifolia var. oxyadenia Maunsell Van Rensselaer 1937-6-24 s.n. Riverside San Jacinto Mountains, Riverside County, California. Comment
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Mar 29 2014
  CAS-BOT-BC126763  Quercus berberidifolia A. C. Sanders; T. B. Salvato; Matthew Malle; Jonas Winbolt; Katie A. Kurtz 2010-4-2 37712 B Riverside Peninsular Range: Alberhill, south foot of the Gavilan Hills at Temescal Canyon, along dirt road north of Concordia Ranch Rd, and east of Black Powder Rd. 379 Comment
  RSA601110  Quercus berberidifolia A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18104 Riverside San Bernardino Mtns Morongo Indian Reservation, natural pond and bog at SE edge of Burro Flats. Comment
  SEINET3102123  Quercus berberidifolia Marc A. Baker 2011-10-1 17465 Riverside Ribbonwood, north end of the Santa Rosa Mountains, 2.9km WSW of where Highway 74 crosses Omstoff Creek at the upper reaches of Palm Canyon, 30km south of Palm Springs, granite and schist gravel, rocks, silt, and sand. 1308 Comment
  UCD105638  Quercus chrysolepis K. M. Meyer; A. Townesmith, T. Scott 2007-3-15 131 Riverside San Bernardino National Forest. 14.5 mi. S on Rt. 243 from US 10, at pulloff next to Soboba Penny Pine Plantation. 1602 Comment
  SBBG44658  Quercus cornelius-mulleri W. B. Holt 1941-10-21 9 -1941 Riverside near Split Rock, Joshua Tree Nat Monument Comment
  IRVC14033  Quercus dumosa L. T. McHarque 1965-8-24 s.n. Riverside Comment
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Jun 23 2013
  RSA228817  Quercus engelmannii Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 607 Riverside Santa Rosa Plateau, ca. 5 miles south west of Murrieta near Forest Route 7S01. 488 Comment
  UCR189796  Quercus engelmannii Angela Hyder 2006-10-2 79 Riverside Peninsular Range, Lake Skinner, Lake Skinner reserve. 1 mi east of Rawson Canyon. 1 mi north of Black Mountain 660 Comment
  JOTR30778  Quercus john-tuckeri La Doux, Tasha, Mike Bell, Katy Matthews 2007-4-4 1888 Riverside Joshua Tree National Park. Little San Bernardino Mountains: (Stop 6) Smith Water Canyon 1264 Comment
  UC338415 Image available Quercus macdonaldii var. elegantula Edw. L. Greene 1889-6-1 Riverside Temecula Canyon Comment
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Mar 27 2011
  CAS-BOT-BC104316  Quercus palmeri A. C. Sanders; Mitch Provance 1998-5-14 21848 Riverside Jurupa Mtns: Rattlesnake Mtn. (hill 1452 m), Crestmore, above watertank W of Cedar Ave., above intersection of Andalusia and Malaga Streets 396 Comment
  UCD63203  Quercus palmeri A. C. Sanders; S. D. Boyd, Mitch Provance, and J. Ross 1998-10-25 22286 Riverside San Jacinto Mtns.: Santa Rosa Indian Reservation along Hwy. 74, 2.1 mi. E of Hwy. 371 junction to Anza, just W of Vandeventer Flat. 1463 Comment
  SEINET13953263 Image available Quercus palmeri J. C. Roos 1965-1 Riverside Summit of Pines to Palms Road (Hwy 74) south of Palm Desert, Santa Rosa and San Jacinto Mountains. Comment
  UCR187289  Quercus wislizeni Diane Menuz 2006-6-27 180 Riverside Peninsular Range; Santa Ana Mtns, trail to Santiago Peak, 100 m from Main Divide Road 1470 Comment
  POM229444  Quercus wislizeni var. frutescens Noel Wallace 1937-10-19 bs 80 Riverside North side of Box Springs Mt. 762 Comment
  JOTR30639  Rafinesquia californica La Doux, Tasha, Erin Babich 2008-4-21 1801 Riverside Joshua Tree National Park. Stop 3-Little San Bernardino Mountains, S of Covington Flat 1290 Comment
  JOTR32039  Rafinesquia neomexicana La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2269 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; near Squaw Tank; sandy flats among large granitic boulders and foothills (Stop 2) 1063 Comment
  POM13608  Rafinesquia neomexicana E. C. Jaeger 1921-4-1 1137 Riverside Mission Creek Wash, Colorado Desert Comment
  RSA703469  Rafinesquia neomexicana LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1413 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  UCR279567  Rafinesquia neomexicana A. C. Sanders, Jim Malusa 2017-3-29 43176 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 4 km SSE (164 deg. ) of the confluence of Red Canyon and Salt Creek 518 Comment
  UCR12601  Ranunculus aquatilis Bill Schultz 1972-5-22 720522- 31 Riverside San Jacinto Mtns., 0.3 miles east of Mobile station on Hwy 74 at Hemet Lake, south of Hwy 1326 Comment
  SD68942  Ranunculus californicus Robert F. Thorne, E. Lathrop, O. Clarke, S. Carlquist 1968-4-18 37427 Riverside Santa Rosa Plateau: in grasslands on Mesa de Colorado near large vernal marsh, Rancho California 671 Comment
  CAS-BOT-BC378495  Ranunculus californicus var. californicus Edmund C. Jaeger 1925-3-21 s.n. Riverside Temecula, northwest of village Comment
  UC219555  Ranunculus eschscholtzii var. oxynotus P. A. Munz 1922-7-7 6042 Riverside San Jacinto Peak San Jacinto Mts. (near the summit) 3285 Comment
  POM246569  Rhamnus crocea B. D. Stark 1933-2-19 4530 Riverside 2.5 mi. East of Nuevo. 762 Comment
  RSA594765  Rhamnus crocea D. L. Banks, Dylan Hannon 1996-5-3 0987 B 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
  UC1292574  Rhamnus crocea C. L. Hitchcock and C. V. Muhlick 1964-3-17 23094 Riverside 3 mi se Glen Ivy Hot Springs Comment
  UCR270175  Rhamnus crocea A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42403 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site 488 Comment
  UCR90986  Rhamnus crocea Scott D. White 1996-3-31 3872 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 463 Comment
  RSA628256  Rhamnus ilicifolia B. Schwenn 1998-9-27 s.n. Riverside Santa Rosa Mtns: San Bernardino National Forest, Catus Spring Trail, where trail crosses Horsethief Creek. 1341 Comment
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Mar 1 2014
  SD229248  Rhamnus ilicifolia Dick Schwenkmeyer 2012-3-26 672 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
  UCR125993  Rhamnus ilicifolia 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
  SD128327  Rhododendron occidentale R. Mitchel Beauchamp 1971-5-15 2410 Riverside Black Mountain Campground, San Jacinto Mountains. 2207 Comment
  POM12748  Rhododendron occidentale var. californicum P. A. Munz 1922-7-6 6029 Riverside San Jacinto Mountains: north fork of Tahquitz Creek. 2226 Comment
  VVC689  Rhus lancea P. J. MacKay, T. Thomas 1997-2-8 107 Riverside Sonoran Desert, Palm Springs, Murray Canyon; at edge of creek btw palm groves 243 Comment
  RSA605753  Rhus lancea A. C. Sanders, G. Helmkamp 1996-3-17 17982 Riverside Coachella Valley: Palm Springs, W side of Palm Canyon Dr. just above (S of) junction with Hwy 111. 140 Comment
  RSA296156  Rhus ovata B. A. Prigge 1980-8-5 3829 Riverside Whitewater Canyon, 0.5 miles N of trout farm 701 Comment
  UCR100299  Rhus ovata B. G. Pitzer 1997-4-20 3187 Riverside Lakeview Mtns, Intersection of 'Dutton' Street with Voltaire Vista Road. (Note: Dutton ends in T-intersection at Sardis Lane, which makes a 90 deg. E turn onto Brent Lane, which becomes Voltaire Vista Road east of Elton Lane. Therefore, this locality is actually the intersection of Elton Lane & Voltaire Vista Road.) 610 Comment
  UC667350  Rhus trilobata Annie M. Alexander and Louise Kellogg 1941-5-21 2209 Riverside n slope of Eagle Mountains (near head of canyon); Colorado Desert 1280 Comment
  RSA0035002  Rhus trilobata Charles MacKechnie 1950-4-29 s.n. Riverside Cranton [Cranston] Ranger Station, San Bernardino Nat'l. Forest. 609 Comment
  SD2907  Rhus trilobata var. pilosissima Fidella G. Woodcock May 1922 Riverside Banning Comment
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Mar 13 2011
  POM229047  Ribes cereum P. A. Munz 1937-5-30 15142 Riverside Rocky Crest, Santa Rosa Peak 2439 Comment
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Dec 18 2011
  RSA562619  Ribes indecorum Steve Boyd, T. S. Ross 1993-2-22 7720 Riverside Gavilan Hills, W of Perris. In canyon along Santa Rosa Road between Gavilan Plateu and road to Steele Valley. 625 Comment
  UCR114805  Ribes indecorum Mitch Provance 1998-2-17 80 Riverside Jurupa Mountains, Slopes on the W side of Sierra Blvd, c. 0.7 km NNW of the Jensen Quarry 396 Comment
  RSA134226  Ribes nevadense Peter H. Raven, Richard Snow 1957-7-26 11114 Riverside Along stream 2.0 mi. S of Vista Grande Ranger Station, Banning-Idyllwild road, San Jacinto mts. Comment
  UCR96796  Ribes quercetorum A. C. Sanders, O. F. Clarke & H. Forster 1997-3-2 19766 Riverside Box Springs Mountains, E side of the range in Pigeon Pass area, above W end of Quail Call Drive, in canyon just west of section line. 610 Comment
  RSA651709  Ribes roezlii Diane M. Ramirez 1983-5-1 25 Riverside Mellor Ranch Road, 4 mi S of junction with CA Hwy 243, S of Banning. Near Peach Tree Spring stream at Oak Flat. Comment
  UC205829  Romneya coulteri I. M. Johnston 1918-5-30 2012 Riverside Temescal Canyon 365 Comment
  UCR59924  Romneya coulteri Ed LaRue 1989-4-26 s.n. Riverside Lake Elsinore, 2 mi. (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons 488 Comment
  SD1956  Rorippa nasturtium-aquaticum Frank Stephens 1926-1 Riverside Aguanga Comment
  UC1563098  Rorippa palustris Steve Boyd, Tim Ross, Laurel Arnseth 1989-5-7 3553 Riverside marsh in Kolb Creek (just south of lake Vail Lake area); Vail Lake area, pond and marsh in Kolb Creek Comment
  POM12902  Rosa californica Philip A. Munz 1922-6-30 5901 Riverside Santa Rosa, Santa Rosa Mountains. 1982 Comment
  CAS-BOT-BC158733  Rubus ursinus Alice Eastwood; John Thomas Howell 1937-4-24 3906 Riverside Coldwater Canyon, Santa Ana Mts. Comment
  POM366441  Rubus ursinus J. D. Olmsted 1962-5-10 3625 Riverside Coldwater Canyon, Corona city water supply. 396 Comment
  UCR260134  Rumex A. C. Sanders 2015-2-19 41251 Riverside San Jacinto Valley, 53 acre parcel c. 370 m south of Ramona Expressway and 1 km east of Warren Rd., north of Record Rd. 442 Comment
  RSA0049527  Rumex californicus John Roos 1952-5-26 5719 Riverside Haas' Ranch, Reche Canyon. 457 Comment
  SD193057  Rumex conglomeratus Scott D. White, Angelia Carey 2004-6-4 10474 Riverside San Jacinto Mountain foothills: San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence. 502 Comment
  UCSB45928  Rumex conglomeratus Clarke, O. 1972-5-28 Riverside residence of O.F.Clarke, 1012 Spruce street, Riverside Comment
  UCR280827  Rumex crispus T. B. Salvato, Gregg Miller 2005-6-3 1363 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
  RSA502183  Rumex salicifolius var. mexicanus Steve Boyd, Tim S. Ross, Laurel Arsneth 1989-6-11 3709 Riverside Vail Lake area, sandy wash draining into Wilson Creek at E end of lake. Comment
  POM19661  Rumex salicifolius var. salicifolius Mary F. Spencer 1923-1 2237 Riverside Idyllwild, San Jacinto mts. 1646 Comment
  UC1178624  Rumex salicifolius var. salicifolius Peter Kamb 1948-10-31 1284 Riverside Hall Canyon San Jacinto Mts. 1645 Comment
  RSA389636  Sagina C. Sylber 1986-5-20 s.n. Riverside Yard at 1040 Central Ave., Riverside. Comment
  CDA40959  Salazaria mexicana G. D. Barbe, J. L. Johnson 1982-11-2 4022 Riverside 3 miles west of Indian Well on Bradshaw Trail, south of Chuckwalla Mountains, southern Riverside County. 0 Comment
  CSUSB1688  Salazaria mexicana Wayne White 1975-5-17 Riverside Chuckwalla Mountains On Red Cloud Road, off Highway I-10, Chuckwalla Mountains. Colorado Desert. 484 Comment
  SEINET3825212 Image available Salazaria mexicana C. L. Hitchcock 1940-4-1 5905 Riverside 1 mile below Cottonwood Spring, Joshua Tree National Monument Comment
  CAS-BOT-BC103899  Salix exigua Mrs. H. P. Bracelin 1932-4-12 601 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside 240 Comment
  CAS-BOT-BC126736  Salix exigua A. C. Sanders 2011-3-29 38858 Riverside Peninsular Range; Perris-Aguanga Basin Region: between Sun City and Perris, San Jacinto River at powerline corridor crossing west of Goetz Rd., above Railroad Canyon Lake 428 Comment
  RSA698839  Salix exigua J. R. Bruff 1927-11-26 31 Riverside Cottonwood Springs vicinity. Comment
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Jul 7 2012
  RSA92653  Salix exigua F. W. Peirson 1933-4-15 10650 Riverside Whitewater River, 4.5 miles above highway from Banning to Indio. 701 Comment
  SBBG58934  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-13 602 Riverside E side of bridge over Santa Ana River, 4.8 km N of Arlington on rd to Pedley, W of Riverside 240 Comment
  UC494325  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-12 604 Riverside 4.8 km. n Arlington (rd. to Pedley, w of Riverside, e side of bridge over Santa Ana R.) 240 Comment
  SBBG29080  Salix gooddingii C. B. Wolf 1932-4-28 3085 Riverside back of Colorado River, ca. 800 m from State Inspection Station, on way to Blythe Bridge 90 Comment
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Mar 26 2011
  SD1047  Salix gooddingii Carl W. Sharsmith 1932-3-20 14 Riverside Foot of east slope of Santa Rosa Mts., in Diablo Canyon, 3 m. above its mouth, near Clary's Coral Reef Ranch, Colorado Desert Comment
  UCD110969  Salix gooddingii A. C. Sanders 1997-3-19 20037 Riverside Lake Skinner area: Lake Skinner, NW shore near inlet, SW foot of Bachelor Mtn. Comment
  RSA593974  Salix laevigata D. L. Banks, Elizabeth Hedge Banks 1996-5-2 959 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
  SEINET272290  Salix laevigata A. C. Sanders, G. Helmkamp 1997-3-15 19968 Riverside Lake Skinner area: lower Rawson Canyon along the dirt road toward Bachelor Mtn. UTM 10km cell: MH-9E 1N Skinner Reser 457 Comment
  RSA495463  Salix lasiolepis Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-3-18 2992 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  RSA601111  Salix lasiolepis A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18106 Riverside San Bernardino Mtns Morongo Indian Reservation, natural pond and bog at SE edge of Burro Flats. Comment
  RSA715298  Salix lasiolepis A. C. Sanders, T. B. Salvato 2006-5-28 32666 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. 579 Comment
  UCR128252  Salix lasiolepis A. C. Sanders, Kelly Volansky 2003-10-16 27342 Riverside Moreno Valley, lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 534 Comment
  RSA92654  Salix lasiolepis F. W. Peirson 1933-4-14 10648 Riverside Road between Banning and Idyllwild. 1524 Comment
  CAS-BOT-BC128447  Salix lasiolepis var. lasiolepis Geo. B. Grant 1904-7-23 s.n. Riverside Mt. San Gorgonio, High Creek Comment
  RSA552734  Salsola tragus Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-3-31 6755 Riverside San Mateo Cyn. Wilderness Area. Tenaja Trail from jtn w/ Morgan Tr. S to Pigeon Spring area. 670 Comment
  SD227794  Salsola tragus Scott D. White, Pam Devries 1998-2-9 6074 Riverside La Quinta /Palm Desert Area: Whitewater River Channel at and near Miles Ave. crossing. 17 Comment
  UC23640  Saltugilia australis A. J. McClatchie April 1892 38 Riverside near Elsinore; near Elsinore Comment
  JOTR29605  Saltugilia latimeri Andre, Jim 2006-4-26 6762 Riverside Joshua Tree National Park. Long Canyon, approximately 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  IRVC2065  Salvia apiana R. H. Whittaker, W. A. Niering 1963-6-6 SJ 248 Riverside 5509, Bee Canyon. San Jacinto Mountains 610 Comment
  RSA0019791  Salvia apiana April Garbat, Kristin Forgrave, Naomi S. Fraga, Tyler Schappe 2013-5-21 72 Riverside Canyon west of San Bernardino National Forest boundary (San Jacinto Ranger District), north over edge from road from Cranston Fire Facility (off Highway 74, aka Florida Ave). Orange Grove Canyon. 618 Comment
  RSA502186  Salvia apiana Steve Boyd, T. S. Ross, L. Arnseth 1989-6-11 3712 Riverside Vail Lake area, sandy wash draining into Wilson Creek at E end of lake. Comment
  UCR90393  Salvia apiana D. L. Banks, Steve Boyd 1995-5-9 0349 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. 793 Comment
  UCR178541  Salvia apiana var. compacta R. G. Swinney 1967-5-26 147 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 381 Comment
  JEPS60188  Salvia carduacea L. R. Heckard 1969-4-24 2169 Riverside about 5 mi s Hemet (s end of Diamond Valley); Diamond Valley 518 Comment
  SEINET2066007 Image available Salvia carduacea Howard S. Gentry 1981-6-13 23713 Riverside Between Anza and Aguanga. Comment
  POM305796  Salvia columbariae Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1063 Riverside Corona-Elsinore. Comment
  RSA401487A  Salvia columbariae H. de Forest, Freda Detmers 1933-3-25 s.n. Riverside Between Banning and Cabazon Comment
  RSA401492A  Salvia columbariae Bruce M. Crawford 1932-5-1 s.n. Riverside 15 miles east Windmill springs [At or near Windmill Tank] Comment
  RSA67305  Salvia columbariae G. R. Campbell 1951-4-22 16053 Riverside Palms to Pines Hwy [74], 1 mi. e. of road to Santa Rosa Mt.[Santa Rosa Mt Truck Trail], 1372 Comment
  SD130326  Salvia columbariae Ed Larue 1990-4-13 Riverside 0.5 Mi NW of town of Aguanga, N of Hwy 79 & W of Hwy 371; ca. 1.5 air mi. N of San Diego Cnty Line 640 Comment
  SEINET9373157  Salvia columbariae Unknown 2011-4-6 39022 Riverside Santa Ana Mountains Comment
  UCLA70033  Salvia columbariae Virginia Mars 1951-4-21 Riverside Hidden Springs Comment
  UCLA70166  Salvia columbariae Norman C. Cooper 1944-4-21 1149 Riverside Banning 701 Comment
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Mar 13 2011
  UCR113160  Salvia columbariae A. C. Sanders 1998-3-11 21660 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, looking down on San Jacinto Valley between ends of Warren Rd. and Sanderson Ave. 610 Comment
  UCR4136  Salvia columbariae Ronald M. Cope 1965-3-13 s.n. Riverside Western Colorado Desert/ San Bernardino Mtns., small canyon on west side of Whitewater Canyon Road about 2 mi from trout hatchery 549 Comment
  UCSB12037  Salvia eremostachya Dearing, Hugh; Dearing, Margaret 1942-3-29 Riverside Dos Palmas Spring; Palms to Pines Highway Comment
  RSA793461  Salvia greatae Duncan S. Bell, John Anderson, Keir Morse 2012-11-11 4373 Riverside Mecca Hills: upper branch of Hidden Spring Canyon, approximately 0.6 air mile southeast of Hidden Spring and 0.6 air mile south of The Grotto. 250 Comment
  UC883920  Salvia greatae C. Epling Apr 1937 Riverside Canyon n of Hidden Spring; Orocopia Mtns. Comment
  UCLA70163  Salvia greatae Hall and Greata 1905-4-22 5848 Riverside Canyon Springs Wash; Dos Palmas; Canon Springs Wash, Riverside Co. Comment
  UCR18805  Salvia greatae John C. Roos 1942-4-6 4142 Riverside Sonoran (Colorado) Desert, Orocopia Mtns., 2.1 mi NE of Dos Palmas Spring 213 Comment
  RSA182349  Salvia mellifera J. Olmstead 1962-5-2 3447 Riverside Sandy flat by saddle just N of highest part of Box Springs Mountains, by road from Pigeon Pass. 777 Comment
  RSA434138  Salvia mellifera Bonnie C. Templeton, I. W. Clokey 1930-4-9 1067 Riverside Palm Springs. 650 Comment
  SBBG97213  Salvia mellifera W. L. Halvorson 1977-4-1 77 -224 Riverside 5 mi S of Temecula on Hwy S16 Comment
  UCR135820  Sanicula bipinnata A. C. Sanders, Guy Bruyea 2004-4-2 27433 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 335 Comment
  RSA543857  Sanicula bipinnatifida Steve Boyd, Orlando Mistretta 1991-5-22 6308 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  RSA563899  Sanicula bipinnatifida Scott D. White 1993-4-20 1219 Riverside Ridge SE of Estelle Peak, Gavilan Hills. 793 Comment
  RSA543951  Sanicula crassicaulis Steve Boyd, Orlando Mistretta 1991-5-9 6183 Riverside Santa Ana Mountains, lower flank of range along the Bedford Truck Trail on ridge between Bedford and McBribe Canyons. 549 Comment
  UC1563043  Sanicula crassicaulis Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-31 3074 Riverside 0.25 mi e of Pauba Road (s of Highway 79, Vail Lake Area); Vail Lake Area 426 Comment
  RSA552690  Sanicula tuberosa Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-2-26 6698 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  UCR110987  Sarcodes sanguinea George K. Helmkamp 1998-6-27 4128 Riverside Santa Rosa Mtns., 9 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), in vicinity of Santa Rosa Spring. 2232 Comment
  UCR17719  Sarcostemma cynanchoides Hap Ritter, Paul Mack 1976-10-19 s.n. Riverside Sonoran (Colorado) Desert, c. 20 mi. NW of Blythe on the Midland Road, McCoy wash drainage, SW side of the Big Maria Mtns. 245 Comment
  RSA722994  Sarcostemma cynanchoides subsp. cynanchoides Michael Wall 2007-7-6 436 Riverside San Jacinto Valley, Bautista Canyon, along Bautista Canyon Rd. 4.5 miles SE of jct. with Fairview Ave. 719 Comment
  UC1595752  Sarcostemma cynanchoides subsp. hartwegii W. Wisura, J. Dolan, and M. Wall 1992-3-24 4633 Riverside 13.1 mi. n.e. of Mecca (on Box Canyon Rd.) Comment
  JOTR16553  Sarcostemma hirtellum Vanderspek & Youse 1964-4-19 s.n. Riverside Joshua Tree National Park. WILSON CANYON Comment
  UCR89695  Sarcostemma hirtellum J. M. Stewart 1990-10-28 666 Riverside Sonoran/Colorado Desert, canyon on south side of Orocopia Mtns. Comment
  UCR97678  Saxifraga californica A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19906 Riverside Lake Skinner area, upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley 595 Comment
  RSA483279  Schismus arabicus Robert Gustafson 1980-4-3 1519 Riverside Orocopia Mountains, about 6 miles east of Mecca on Box Canyon road. 305 Comment
  CAS-BOT-BC243458  Schismus barbatus Peter H. Raven 1958-1-23 11411 Riverside 2.7 miles west of Whitewater Post Office Comment
  RSA774512  Schismus barbatus Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4464 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 W116.64314 487 Comment
  UCD93094  Schismus barbatus Collector unknown 1951-1-1 s.n. Riverside Palm Springs. Comment
  RSA708155  Schoenoplectus americanus Scott D. White, Angelia Carey 2004-5-7 10352 Riverside Indian Creek and adjacent foothills. 549 Comment
  UCR130151  Schoenoplectus americanus F. R. Fosberg 1932-3-13 08079 Riverside Sonoran (Colorado) Desert, Coachella Valley, Thousand Palms Canyon 213 Comment
  CAS-BOT-BC111021  Scirpus microcarpus M. F. Spencer 1919-6-28 1234 Riverside San Jacinto Mt., Idyllwild. 1645 Comment
  RSA0024700  Scribneria bolanderi Steve Boyd 1995-5-13 8510 Riverside Santa Ana Mountains, west of Onion Hill, southeast of Elsinore Peak area along trail following old Main Divide Road grade. 1006 Comment
  CSUSB908  Scrophularia californica Robert M. Hasegawa 1976-4-14 Riverside Box Springs Mountains Box Springs Mountains. 1/8 mile past road's end, east Big Springs Road. 274 Comment
  SDSU13642  Scrophularia californica W. Miller, C. Mosse 1972-7-13 Riverside West of M.W.D. station. Comment
  UCSB46710  Scrophularia californica Reimer, Neil 1977-5-13 Riverside In Box Springs Mt. Park Comment
  RSA660913  Scrophularia californica subsp. floribunda Mitch Provance 1999-4-3 1752 Riverside SW side of ''Royal Hill'', 0.25 miles E of the corner of Victoria Ave. and Arlington Ave. 351 Comment
  CAS-BOT-BC341106  Scutellaria mexicana Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9543 Riverside Cottonwood Springs Canyon Comment
  UC456124  Scutellaria siphocampyloides I. J. Condit 1910-6-21 Riverside near Idlewild; San Jacinto Mountains 1524 Comment
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Mar 12 2011
  UCR207371  Searsia pendulina O. F. Clarke 2009-5-11 s.n. Riverside Riverside, UCR Campus, NW corner of upper reservoir 358 Comment
  RSA697610  Securinega fasciculata var. hallii J. R. Bruff 1928-4-2 168 Riverside Cottonwood Springs. Comment
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Oct 9 2010
  IRVC3585  Selaginella bigelovii R. H. Whittaker, W. A. Niering 1963-5-28 SJ 41 Riverside Mountain Center to Hemet Hwy. Peninsular Ranges, San Jacinto Mountains 884 Comment
  POM12528  Selaginella bigelovii Philip A. Munz 1922-3-12 4715 Riverside Andreas Canyon Comment
  RSA769518  Selaginella bigelovii Duncan S. Bell, Lucilla Reccia 2010-5-5 967 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.4 air miles southeast of junction of Highway 74 and forest service road 5S15. 791 Comment
  GMDRC5053  Selaginella eremophila J. Andre, G. L. Clifton 2011-2-22 17481 Riverside Coachella Valley: 1.2 mi. due south of Windy Pt (at Hwy 111), just SW of 'The Cove' housing development near Blaisdell Creek, at base of San Jacinto Mtns 320 Comment
  POM47173  Selaginella eremophila Mary F. Spencer 1920-4-1 1468 b. Riverside desert near Palm Springs 121 Comment
  SD181812  Selaginella eremophila Louis C. Wheeler 1964-10-17 8639 Riverside North slope of Orocopia Mountains, southerly from Hayfield Reservoir, below water shedding sloping rock faces in sun. Comment
  RSA5022  Senecio californicus Dorothy R. Wolf 1932-3-20 22 Riverside Richman Ranch 2.5 mi N of De Luz. SW Riverside County 457 Comment
  RSA770439  Senecio californicus Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4571 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR162266  Senecio californicus S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1220 Comment
  CDA8626  Senecio flaccidus var. douglasii T. C. Fuller, T. Suzuki 1958-9-26 Riverside Cherry Valley. 0 Comment
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Oct 1 2014
  RSA472948  Senecio flaccidus var. douglasii N. C. Cooper 1949-6-29 4361 Riverside East side of San Jacinto Mountains. 457 Comment
  RSA575920  Senecio flaccidus var. douglasii Steve Boyd 1994-10-14 8384 Riverside Southern Santa Ana Mts., San Mateo Canyon Wilderness Area of the Cleveland Nat'l Forest. San Mateo Canyon, sandy benches in canyon bottoms at the confluence with Bluewater Canyon. 329 Comment
  UC832992  Senecio flaccidus var. monoensis I. W. Clokey 1935-4-17 6937 Riverside Cottonwood Springs Comment
  CLARK-A1045-234  Senecio vulgaris George K. Helmkamp 1978-4-1 Riverside Whitewater junction of Interstate highway 10 and Verbenia Avenue; Whitewater 7.5'Q Comment
  RSA614420  Senecio vulgaris D. L. Banks 1997-3-16 1553 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound. 567 Comment
  UCR21974  Senecio vulgaris Steve Boyd 1980-5-5 202 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  LA77503  Senegalia greggii Tom O'Donnell; 1953-5-24 sn Riverside 2 mi. from the intersection of Highway 74 and 111 Comment
  SEINET7347857  Senna armata H. M. Hall 5843 Riverside Colorado Desert, Canon Springs Comment
  SD253454  Senna artemisioides A. C. Sanders, T. B. Salvato, Cecile Shohet 2016-2-28 42000 Riverside Peninsular Range: along Hwy 79 c. 1 km east of Los Caballos Road and 1 km west of Pauba Road (Pechange 7.5'Q) 401 Comment
  UC2013411  Sequoiadendron giganteum Rudolf Schmid and Mena J. Schmid 2009-5-1 2009 -5 Riverside NW San Jacinto Mountains NE of Highway 243 ca. 16 Highway km NW of Idyllwild, in the S unit of the San Bernardino National Forest, on SW, flank of Black Mountain (summit). Just right (as ascending) of Black Mountain Trail in flat open area on the sloping plateau or saddle just above the head of Hall Canyon. Comment
  UCR257045  Sequoiadendron giganteum Rudolf Schmid, Mena Schmid 2009-5-1 2009- 2 Riverside San Jacinto Mountains, northeast of Hwy 243 c. 16 km northwest of Idyllwild, in the south unit of the San Bernardino National Forest, on southwest flank of Black Mountain, Black Mountain Trail, uppermost Hall Canyon near Indian Creek drainage 2067 Comment
  UCR227596  Sidalcea malviflora Duncan S. Bell, Joy England 2010-5-20 1023 Riverside San Jacinto Mountains, San Bernardino National Forest, Garner Valley, c. 1.75 air miles southeast of junction of Forest Service Road 6S04 and Forest Service Road 6S13 1361 Comment
  CAS-BOT-BC109457  Sidotheca caryophylloides Frank W. Peirson 1924-7-29 5019 Riverside San Jacinto Mountains. Banning-Idlewild Road. 1767 Comment
  UCSB40906  Sidotheca emarginata Zeigler, Louis 1964-7-10 Riverside Two miles northeast of Kenworthy Ranger Station Comment
  CAS-BOT-BC434395  Sidotheca trilobata A. C. Sanders; Tim Thomas; T. B. Salvato 2008-6-25 35622 Riverside Peninsular Range; San Jacinto Mtns.: May Valley c. 1.0 mi. WSW of Fleming Ranch. 1585 Comment
  RSA65708  Silene antirrhina F. W. Peirson 1919-4-14 5321 Riverside Murray Canyon near Palm Springs 381 Comment
  UC55873  Silene antirrhina H. M. Hall May 17 1901-Jun 1 1901 1820 Riverside Palm Canyon 457 Comment
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Jun 21 2008
  CSUSB709  Silene gallica Annette Price 1962-5-8 089 Riverside Santa Ana Mountains Santa Ana Mountains. Growing in Foothill woodland along Tenaja Road, 7 miles from Washington Ave. Comment
  SDSU4501  Silene gallica D. Hunsaker 1962-4-10 Riverside 3 miles SW from Temecula. Comment
  UCR156361  Silene gallica T. B. Salvato, Kent Beaman 2005-5-16 872 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
  UC640586  Silene laciniata subsp. major H. L. Mason 1926-5-2 3202 Riverside Temecula Valley Comment
  RSA525250  Silene multinervia Steve Boyd, Timothy S. Ross 1990-5-11 4628 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  SBBG33799  Silene parishii R. Moran 1968-8-3 15369 Riverside N slope, 1 mi W of summit, Santa Rosa Mtn 2150 Comment
  UC8484  Silene parishii H. M. Hall 1897-8-11 791 Riverside San Jacinto Mountains 3293 Comment
  UCR44437  Silene verecunda A. C. Sanders 1986-6-1 6564 Riverside San Jacinto Mountains, Trail toward Spitler Peak from 'Hurkey Creek Camp to Bonita Vista' [=Apple Canyon] Road 1829 Comment
  CAS-BOT-BC202937  Simmondsia chinensis P. C. Everett 1939-7-7 9524 Riverside North of Temecula-Aguanga Rd. on road to Hemet 762 Comment
  CAS-BOT-BC202941  Simmondsia chinensis Annie M. Alexander; Louise Kellogg 1941-5-12 2159 Riverside Colorado Desert. Road to Black Eagle Mine, Eagle Mountains 777 Comment
  CAS-BOT-BC202942  Simmondsia chinensis Roxana S. Ferris 1928-4-20 7170 Riverside Between Chocolate and Chuckwalla Ranges on road from Glamis to Midway Wells Comment
  LA209629  Simmondsia chinensis George A. Schaefers; 1953-5-24 sn Riverside 4 mi from Indio, Palm Springs junction, Hwy 74 Comment