Search Results — 2000 specimen records retrieved (1897 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/consortium/).
 Records are made available under the CCH Data Use Terms.

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A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCSB12  Abies concolor Bobkowski, Jr., Vincent 1960-5-14 Riverside At Black Mountain Camp, San Bernardino National Forest Comment
  CAS-BOT-BC229355  Abronia villosa F. O. Ballou 1926-2-25 s.n. Riverside Indian Wells Comment
  OBI2989  Abronia villosa Lewis S. Rose 1967-12-20 67184 Riverside 6 mi SE of Thousand Palms 9 Comment
  RSA461036  Abronia villosa R. H. Peebles, H. F. Loomis 1930-4-6 200 Riverside Mecca Comment
  UC101376  Abronia villosa D. Cleveland 1887-5-13 740 Riverside Tenecula Comment
Read comments
Mar 27 2011
  RSA33621  Abronia villosa var. aurita Robert L. Rutherford 1944-7-15 1592 Riverside Palms to Pines Highway. 1463 Comment
  RSA655629  Abronia villosa var. aurita A. C. Sanders 2000-3-19 23315 Riverside Diamond Valley, off old Rawson Rd. N of Crown Valley, on future bed of Diamond Val. Reservoir, now filling 485 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
  JOTR16746  Abronia villosa var. villosa Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. ROAD TO LOST HORSE RANGER STATION FROM CAP ROCK 1310 Comment
  RSA760970  Abronia villosa var. villosa Thomas Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-22 155 Riverside N of I-10. Approx. 1.5 miles up Corn Springs Rd. 213 Comment
  OBI17154  Acamptopappus sphaerocephalus Tracey Call, Viola Call 1962-4-6 2116 Riverside 4 mi w of Desert Hot Springs at rd jctn 213 Comment
  RSA416161  Acamptopappus sphaerocephalus var. sphaerocephalus Ora M. Clark 1923-2-23 1546 Riverside south of Cabazon Colorado Desert Comment
Read comments
Mar 13 2011
  SBBG35092  Acamptopappus sphaerocephalus var. sphaerocephalus T. L. Secrest 1948-4-7 Riverside 5 mi below Whitewater 274 Comment
  CAS-BOT-BC20352  Achillea millefolium Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  SBBG65818  Achillea millefolium M. N. Ackley -May-1929 Riverside Tahquitz Lodge 1524 Comment
  RSA770885  Achnatherum hymenoides Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4588 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  JOTR31137  Achnatherum parishii La Doux, Tasha 2009-6-3 1849 Riverside Joshua Tree National Park. (Stop 1): Little San Bernardino Mountains, Covington Flats, ridge line south of peak 1547 Comment
  CLARK-A1528-914  Achyronychia cooperi Charlotte Stocks 1963-3-31 Riverside Coachella Comment
  UCD84935  Achyronychia cooperi Chuck Hughes 2010-3-23 207 Riverside About 11.5 miles south of Highway 62, next to railroad tracks. 254 Comment
  UCD103974  Acmispon argophyllus Gordon Pilone 1961-3-1 92 Riverside White Water Canyon, 1/2 mile below Fish Hatchery. 457 Comment
  SDSU13331  Acmispon glaber var. brevialatus Joseph R. Verfaillie, BIO 531 Taxonomy class (SDSU) 2000-4-1 28 Riverside Base of road leading down to the Santa Margrita River from the north site of the Santa Margarita Ecological Reserve (SDSU). 239 Comment
  SBBG3387  Acmispon heermannii var. heermannii H. and M. Dearing 1940-6-9 4367 Riverside Pines to Palms Hwy, W of Ribbonwood Comment
  SD37809  Acmispon rigidus Edith A. Purer 1935-4-21 6473 Riverside Valley floor, near Palm Springs. Comment
  SBBG3488  Acmispon strigosus H. and M. Dearing 1941-3-7 4814 Riverside Cathedral City bajada Comment
  UC35625  Acourtia microcephala H. M. Hall Aug. 1901 2637 Riverside foothills of the w side San Jacinto Mountains; Southern California 762 Comment
  JOTR30682  Adenophyllum porophylloides La Doux, Tasha, Jim Andre 2008-9-13 271 Riverside Joshua Tree National Park. At the base of NW end of Belle Mountain at Pinto Wye Maintenance service area 1103 Comment
  JOTR32433  Adenophyllum porophylloides La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade` 2011-4-26 2281 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; sandy flats at base of mountains and northern edge of valley (Stop 4) 996 Comment
  RSA0121213  Adenophyllum porophylloides Duncan S. Bell, LeRoy Gross 2016-3-8 8819 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; center of the range, approximately 2 air miles east southeast of the summit for the range. 603 Comment
  RSA676103  Adenophyllum porophylloides Scott D. White 2001-4-17 8333 Riverside Sonoran Desert: Shaver's Valley. North of the I-10 Freeway, ca. 16 miles east of Indio jtn. I-10 / SR 111. Bajada, washes, and mtn. foothills near powerline access roads at unnamed freeway exit accessing pump station. 457 Comment
  UC495325  Adenophyllum porophylloides P. A. Munz 1932-4-24 12395 Riverside dry rocky wash in Snow Creek Canyon; San Jacinto Mts. 457 Comment
  CLARK-A1528-3971  Adenostoma fasciculatum John C. Roos 1948-5-22 3861 Riverside Reche Canyon Comment
  SD72234  Adenostoma sparsifolium Russell S. Woglum 1937-10-20 1185 Riverside Santa Rosa Mountains Comment
  POM870  Adiantum jordanii O. W. Robinson 1916-3-28 s.n. Riverside Miller's Canyon, Murrieta. Comment
  RSA496653  Adiantum jordanii L. F. LaPre, J. Easton 1988-1-27 s.n. Riverside Santa Rosa Springs Ranch, on Santa Rosa Plateau, W of Murrieta. Comment
  RSA750595  Agave deserti subsp. deserti K. M. Meyer, A. Townesmith, T. Scott 2007-3-19 21 Riverside San Bernardino National Forest. San Jacinto Ranger District, Sawmill Trailhead, about 0.3 mi. along Pinyon Flats Transfer Station Rd., off of Route 74. 1232 Comment
  UCR45940  Ageratina adenophora Barbara J. Fuchs 1968-5-12 70 Riverside Peninsular Range; Santa Ana Mtns., Hwy 74, 15 mi west of Lake Elsinore, Cleveland National Forest 610 Comment
  UCR100158  Agoseris Scott D. White 1994-4-23 2032 Riverside San Bernardino Mtns, Millard Canyon, c. 8 air mi. north of Cabazon. USFS Rd 2S05.2, c. 0.3 mi. south of junction of 2S05.2 & 2S05B; c. 1.7 mi. south of Deer Spring & 1 mi. SW of Bear Wallow Spring 1311 Comment
  RSA740791  Agrostis stolonifera Scott D. White, Justin M. Wood 2008-7-9 12419 Riverside Johnson Meadow 1415 Comment
  SEINET1004535 Image available Agrostis viridis J. S. Ross, T. B. Salvato 1998-1 MOR- 316 -A Riverside San Bernardino Mtns. Region: Morongo Indian Reservation, Lion Canyon, ca. 3.5 miles NNW of Cabazon 853 Comment
  RSA411802  Allenrolfea occidentalis H. de Forest 1924-4-14 s.n. Riverside Indio- Mecca flats Comment
  RSA69992  Allionia incarnata F. W. Peirson 1922-12-28 5221 Riverside Andreas Canyon near Palm Springs Comment
  RSA780235  Allionia incarnata Stephanie Rockwood, Christi Gabriel 2011-10-13 115 Riverside West side of the West Riverside Mountains. Highway 62 to Rice Valley Road. Rice Valley. 256 Comment
  UC56252  Allionia incarnata H. M. Hall May 17 1901-Jun 1 1901 1872 Riverside Palm Canyon, Journey from Riverside to Santa Rosa Peak and Palomar Palm Canyon 457 Comment
  JOTR35381  Allionia incarnata var. incarnata Harding, Mitzi, J. Hoines, E. Kramer 2012-2-2 169 Riverside Joshua Tree National Park. southeast Coxcomb Mountains; SE facing slopes and steep drainages 164 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
  UCR133190  Allium haematochiton J. M. Stewart 1999-4-25 s.n. Riverside San Jacinto Mtns., canyon above Palm Springs Comment
  RSA0007778  Allium haematochiton F. W. Peirson 2394 Riverside 4 mi. W of Beaumont. Comment
  RSA770516  Allium munzii S. Mashayekhi, Steve Boyd, M. Biabani 2008-4-15 SM 012 Riverside East of Elsinore Peak, on clay hill. Comment
  UCR217516  Allium munzii Lee A. Ripma, JLV 2008-4-2 042 Riverside Foothills of the Santa Ana Mtns, Alberhill, South of Hwy 15, south of Walker Canyon 444 Comment
  RSA0006686  Allium munzii Steve Boyd 1986-4-20 1725 Riverside Gavilan Plateau, Gavilan Hills: clay soil on hillside south of Harford Springs County Park. 616 Comment
  RSA85583  Allium praecox J. C. Roos 1952-4-2 5468 Riverside Box Springs grade east of Riverside. 427 Comment
  UC1931113  Allophyllum divaricatum Scott D. White, Justin Wood 2008-6-18 12205 Riverside San Jacinto Mountains: Hiking trail from K flat to Apple Canyon Rd. Comment
  RSA740957  Allophyllum gilioides subsp. violaceum Scott D. White, Justin M. Wood 2008-6-18 12223 Riverside San Jacinto Mountains: K Flat Meadow. 1433 Comment
  POM49564  Allophyllum glutinosum P. A. Munz, I. M. Johnston 1924-7-29 8841 Riverside 6 miles SE of Poppet Flat, San Jacinto Mountains. 1524 Comment
  SEINET2444454  Allophyllum glutinosum Leigh A. Johnson 1997-4-25 97 -054 Riverside San Bernardino Natl. Forest, Cahuilla Mtn. Along road to Cahuilla Mtn. trail. 1300 Comment
  RSA90202  Alopecurus saccatus F. W. Peirson 1922-5-19 3021 Riverside 10 miles northeast of Murrieta. Comment
  UCR159257  Amaranthus albus A. C. Sanders, Kelly Volansky 2005-8-31 31590 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
  UCR282158  Amaranthus cruentus R. E. Riefner Jr. 2017-5-18 17- 259 Riverside Perris-Aguanga Basin, city of Hemet, east of Winchester, north of Simpson Road, east of San Diego Aqueduct, west of active agricultural fields 467 Comment
  UCR272673  Amaranthus fimbriatus Sarah J. De Groot, Duncan S. Bell 2015-9-21 7584 Riverside Peninsular Range; Santa Rosa Mountains, SSW of Palm Desert, along Carrizo Road just north of Hwy 74 1053 Comment
  UCR146497  Ambrosia acanthicarpa Scott D. White, Angelia Carey 2004-9-16 10752 Riverside San Jacinto Mountains foothills, Along Poppet Creek NE of San Jacinto River 610 Comment
  UCR176692  Ambrosia acanthicarpa R. D. Goeden, Don W. Ricker 1969-7-31 s.n. Riverside Peninsular Range; San Jacinto Mtns., Lake Hemet, along Hwy 74 south of inlet 1326 Comment
  UCR92765  Ambrosia acanthicarpa F. M. Reed 1933-10-14 8191 Riverside South Coast; San Bernardino Valley, Riverside, Terraces Ranch [547 Chicago Ave., near Arroyo Tequesquite] 245 Comment
  OBI25272  Ambrosia dumosa F. Seaman 1971-4-9 35 c Riverside 51.6 mi E of Twentynine Palms on State hwy 62 Comment
  POM41494  Ambrosia dumosa Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  POM8399  Ambrosia dumosa Mary F. Spencer 1920-3-29 784 Riverside Palm Springs. Colorado Desert. 122 Comment
  RSA23238  Ambrosia dumosa Ernest Braunton 1940-03 2043 Riverside Fan Canyon. 20 miles NE of Indio. Comment
  RSA608660  Ambrosia dumosa R. S. Woglum 1937-04 298 Riverside Mojave Desert: Palm Springs. Comment
  UC896725  Ambrosia dumosa Alice Eastwood 1913-4-30 2990 Riverside Palm Springs Comment
  UCR124631  Ambrosia dumosa B. C. Templeton, I. W. Clokey 1930-4-9 1077 Riverside Sonoran (Colorado) Desert, North of Palm Springs 400 Comment
  UCR177850  Ambrosia dumosa Marisa Sripracha, K. A. Boyd 2004-2-14 036 Riverside Sonoran (Colorado) Desert, Myoma, on the Thousand Palms Preserve, near the palm oasis just off Thousand Palms Drive 190 Comment
  UCR41603  Ambrosia dumosa A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6025 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  CLARK-A1528-2147  Ambrosia ilicifolia John C. Roos 1949-4-10 4230 Riverside Chuckwalla Mountains Comment
  POM10301  Ambrosia psilostachya Anonymous 1903-10-19 385 Riverside Old stewart Ranch. West Riverside Comment
Read comments
Apr 7 2011
  RSA33662  Ambrosia psilostachya N. C. Cooper 1943-10-9 963 Riverside Hemet. 305 Comment
  RSA575931  Ambrosia psilostachya Steve Boyd 1994-10-14 8392 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
  UCR172727  Ambrosia pumila A. C. Sanders, John F. Green 2006-5-18 32367 Riverside Temecula/Murrieta Region, SE of Murrieta Hot Springs along San Diego Aqueduct and powerline route, south of intersection of Chandler and Suzi Rds. and south of Murrieta Hot Springs Rd., side canyon dropping toward Santa Gertrudis Creek, 1 mile SW of Skunk Hollow 366 Comment
  UCR250383  Ambrosia pumila A. C. Sanders, John F. Green 2014-4-4 40966 Riverside Peninsular Range; Elsinore Trough, N of Elsinore near Alberhill, at intersection of Baker St. and Pierce St. 389 Comment
  CAS-BOT-BC273025  Ambrosia salsola Munz; Street; Williams 1919-3-25 2322 Riverside Palm Springs Comment
  SFV9315  Ambrosia salsola D. H. Hoover 1968-3-23 68 41C Riverside Colorado Desert Mission Creek Road, south of Morongo Valley and north of Whitewater (Palm Springs Inct.). Comment
  JOTR32964  Amelanchier utahensis La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2715 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  SEINET238727  Ammannia coccinea Mitch Provance, A. C. Sanders 2000-7-4 2103 Riverside Santa Ana River Wash between the Market St. and Riverside Ave crossings. 244 Comment
  UCR211700  Ammannia robusta Fred M. Roberts, Michelle Balk 2006-8-24 6404 Riverside Upper San Jacinto Valley, Hemet, south side of Esplanade Rd. near intersection with Alabaster Rd., 0.3 km E of junction with Warren Rd. 452 Comment
  UCR162546  Amsinckia John F. Green 2005-4-29 s.n. Riverside Upper Santa Ana River Basin, eastern end of the Jurupa Mountains, Rubidoux area, immediately south of the county line, east of Armstrong Road 335 Comment
  JEPS29301  Amsinckia intermedia Rimo Bacigalupi and L. R. Heckard 1962-3-25 8396 Riverside 5 mi se Corona (just n of Bedford Canyon, hills at e base of Santa Ana Mountains); Santa Ana Mountains 304 Comment
  POM319691  Amsinckia intermedia Patricia Wilder 1971-5-13 4952 Riverside Prado Flood Control Basin; along bank at east end of top of Prado. Alt. 650 ft. 198 Comment
  UCR183173  Amsinckia intermedia Mitch Provance 2003-5-5 4414 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  SEINET238668  Amsinckia menziesii A. C. Sanders 1998-1-15 21644 Riverside Lake Skinnder area: along old Rawson Road just north of Crown Valley above Diamond Valley at waterline of proposed res 518 Comment
  JEPS61106  Amsinckia menziesii var. menziesii W. L. Jepson 1939-4-17 19123 Riverside 2 mi s on Road to Temecula Corona Comment
  SEINET12491770  Amsinckia spectabilis H. M. Hall 1897-3-20 s.n. Riverside Gavilan [Hills]. Comment
  RSA650083  Anagallis arvensis Marion P. Harthill 1976-5-6 s.n. Riverside Cleveland National Forest. 610 Comment
  SD187476  Anemopsis californica Scott D. White 2004-5-7 10341 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills 548 Comment
  UCR193969  Angelica tomentosa A. C. Sanders, Mitch Provance 2008-7-11 35815 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
  UC1930030  Anisocoma acaulis Scott D. White, Justin Wood 2008-5-15 11964 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. (Idyllwild) Comment
  RSA747964  Anthemis cotula Justin M. Wood 2009-5-15 713 Riverside Romoland, 1/4 mile S of Ethanac Rd, between San Jacinto Rd and Palomar Rd, just S of railroad tracks. 442 Comment
  RSA594039  Anthriscus caucalis D. L. Banks, Elizabeth Hedge Banks 1996-5-2 930 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve., Approximately 20 m inside the preserve boundary gate, 3 m E of the main road along a open field. 448 Comment
  RSA388498  Antirrhinum coulterianum Steve D. Boyd 1986-5-1 1819 Riverside Bachelor Mtn.: Lower south slopes of Bachelor Mtn., east end of Lake Skinner. Comment
  SD143717  Antirrhinum coulterianum Andy C. Sanders, P. MacKay, T. Thomas, O. Clarke 1997-5-4 20681 Riverside San Jacinto Mountains: N side of the range, Twin Pines Creek drainage, dry slopes above Brown Crk. 915 Comment
  SD82793  Antirrhinum coulterianum Norman C. Cooper 1944-5-21 2013 Riverside Hemet Valley, plowed field 456 Comment
  UC64222  Antirrhinum coulterianum H. M. Hall 1900-1 579 Riverside vicinity Riverside (Gavilan Mts); Gavilan Mts., Riverside 457 Comment
  UCR281002  Antirrhinum coulterianum Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-13 417- 57 Riverside Peninsular Ranges, Wildomar, Sedco Hills, along transmission road between Lost Rd. and Lake View Rd. 564 Comment
  UCSB12687  Antirrhinum coulterianum Hochberg, Fred 1961-5-6 Riverside 50 ft. off Riverside 1; 7 miles from junction at Banning; base of San Jacinto Mtns 1158 Comment
  UCR120700  Antirrhinum cyathiferum A. C. Sanders 1978-4-23 DC 149 Riverside Western Colorado Desert, Boyd Deep Canyon Desert Research Center, south of Palm Desert, 0.25 mi SW of Boyd Center (research station) 305 Comment
  UCR216400  Antirrhinum kelloggii Mike Bell 2008-3-30 028 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, 5 miles SW of Murrieta, Punta Mesa Trail 537 Comment
  CLARK-A1528-840  Antirrhinum nuttallianum Fred B. Essig 1967-5-7 Riverside Box Springs Mountains Comment
  UCR133647  Antirrhinum nuttallianum Michael D. Wilcox 2003-5-13 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  POM262976  Antirrhinum nuttallianum subsp. nuttallianum J. C. Roos 1941-4-19 176 Riverside Reche Canyon - 'Plateau' [Label indicates San Bernardino Co.] Comment
  SEINET7048203  Antirrhinum nuttallianum subsp. nuttallianum Steven R. Hill, Andrew C. Sanders 2001-5-4 33713 Riverside Santa Rosa Plateau, eastern rim, north side of Avenida del Oro, just east of junction with Sandia Creek Drive, 2 miles west of junction of Rancho California Road and Route I-15. Elevation 1570 - 1670 feet. 509 Comment
  UCR135828  Apiastrum angustifolium A. C. Sanders 2004-4-20 27519 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  UC1971233  Apocynum cannabinum Scott D. White 1998-7-31 6934 Riverside IDYLLWILD AREA: Strawberry Creek between crossing at Circle Dr. and Humber Park. USGS 7.5' San Jacinto Peak quad. Comment
  UCR263734  Apocynum cannabinum Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5002 Riverside San Jacinto Mountains, Strawberry Creek below Strawberry Valley, c. 2.25 air mi southwest of Idyllwild 1540 Comment
  RSA66508  Arabis perennans F. W. Peirson 1922-4-10 2869 Riverside Murray Canyon near Palm Springs. 610 Comment
  RSA0128856  Arabis sparsiflora Scott D. White, Justin M. Wood 2008-6-19 12276 Riverside Meadows at Baldy Mtn. 1585 Comment
  UCR193569  Arabis sparsiflora A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35611 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mile SW of Fleming Ranch, along dirt track 1555 Comment
  RSA608476  Arceuthobium cyanocarpum Louis C. Wheeler 1961-6-21 7899 Riverside San Jacinto Mountains: North side Tahquitz Peak. Comment
  RSA629147  Arctostaphylos Jon E. Keeley 1992-7-17 16767 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  RSA629172  Arctostaphylos Jon E. Keeley 1992-7-17 16791 Riverside Road to Thomas Mountain (5S15), 5.2 km north of Toolbox Spring. 1840 Comment
  RSA629173  Arctostaphylos Jon E. Keeley 1992-7-17 16792 Riverside Road to Thomas Mountain (5S15), 5.2 km north of Toolbox Spring. 1840 Comment
  RSA629354  Arctostaphylos glandulosa Jon E. Keeley 1992-6-12 15538 Riverside Road to Elsinore Pk., 1/2 km south of Elsinore Pk. 1000 Comment
  RSA629384  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19512 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629451  Arctostaphylos glandulosa Jon E. Keeley 1992-7-16 16566 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA629481  Arctostaphylos glandulosa Jon E. Keeley 1992-6-16 16837 Riverside Hwy 243, 30 km N of Idyllwild. 1630 Comment
  CAS-BOT-BC23114  Arctostaphylos glandulosa subsp. glandulosa Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild Comment
  RSA631724  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19287 Riverside Highway 79, at Radec. 580 Comment
  RSA631735  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19283 Riverside Highway 79, 2 km west of Radec. 550 Comment
  RSA631741  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19267 Riverside Highway 79, 5 km west of Radec. 580 Comment
  RSA631779  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19259 Riverside Highway 79, 5 km west of Radec. 580 Comment
  RSA631794  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19564 Riverside Highway 79, 4 km west of Aguanga. 660 Comment
  SD7734  Arctostaphylos glauca J. C. Nevin 1884-1 Riverside San Jacinto Mtns. Comment
  UCR112403  Arctostaphylos glauca A. C. Sanders, Mitch Provance, E. J. Lawlor 2000-1-23 23314 Riverside Lake Skinner area, summit of Black Mtn. 915 Comment
  UCR133451  Arctostaphylos glauca Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 473 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  UCR94067  Arctostaphylos glauca Scott D. White, D. Haselfeld 1996-7-2 4251 Riverside San Jacinto/Santa Rosa Mtns, Pinyon Flat area, north of Hwy 74, c. 10 road mi east of junction with Hwy 371, west-facing slope of Sugarloaf Mountain and adjacent valley 1402 Comment
  RSA633529  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20121 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633574  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16677 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA633599  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-17 16713 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633600  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22531 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633714  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16661 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  RSA633752  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21787 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633753  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16635 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  SD134462  Arctostaphylos peninsularis Craig Reiser 1989-3-1 Riverside Santa Rosa Plateau, near Calle Jardin Comment
Read comments
May 12 2012
  CAS-BOT-BC44368  Arctostaphylos pringlei subsp. drupacea Vernon Bailey 1907-8-5 1199 Riverside Idyllwild, San Jacinto Mts. 1371 Comment
  RSA125854  Arctostaphylos pringlei subsp. drupacea E. K. Balls, Percy C. Everett 1957-11-6 22795 Riverside Idyllwild to Banning. 1768 Comment
  RSA635644  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-17 16744 Riverside Morris Ranch Rd. (6S06), 6.3 km east of Hwy 74, western base of Pyramid Pk., San Jacinto Mountains. 1680 Comment
  UCD52976  Arctostaphylos pringlei subsp. drupacea A. E. Wieslander 1938-10-23 821 Riverside Idyllwild; Strawberry Valley. 1676 Comment
  RSA635795  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16590 Riverside Standley Rd., south of Red Mtn. Rd., 8.5 km east of R3. 900 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
  RSA636010  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19558 Riverside Carancho Rd., W. of Temecula. 440 Comment
  RSA636157  Arctostaphylos rainbowensis Jon E. Keeley 1992-8-2 18811 Riverside East of Hwy 15, off Rainbow Cyn. Rd., 3 km north of San Diego Co. line. 400 Comment
  RSA636187  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19486 Riverside West of Temecula, off Calmara Rd., 1 km south of Carancho Rd. and west of De Luz Rd., eastern Santa Margarita Mountains. 600 Comment
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Jun 8 2012
  UC1605406  Arctostaphylos rainbowensis Steve Boyd 1994-10-14 8380 Riverside Fisherman's Camp, upper end of Fisherman's Camp Trail (7S02) from Wildomar Road (7S01) W into Tenaja Canyon at its confluence with San Mateo Canyon Southern Santa Ana Mts., San Mateo Canyon Wilderness Area, C Comment
  UCR273481  Arctostaphylos rainbowensis A. C. Sanders, Glen Morrison 2016-8-4 42619 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, Calle Viento (thin dirt road) south of Avenida Presa, 0.5 km south of Rancho California Rd. 656 Comment
  UCR109555  Argemone munita R. D. Goeden, Don W. Ricker 1981-3-11 s.n. Riverside Sonoran (Colorado) Desert, Bradshaw Trail along Salt Creek, east of Salton Sea, c. 3 mi. east of Coachella Canal 152 Comment
  UCR167975  Argemone munita T. B. Salvato, John F. Green 2004-5-27 655 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
  CAS-BOT-BC137652  Aristida adscensionis C. L. Hitchcock 1940-3-30 s.n. Riverside Cottonwood Spring. Comment
  UC126633  Aristida adscensionis H. M. Hall 1905-4-16 5797 Riverside 10 mi w CDoachella; Colorado Desert, Marshall Canyon 30 Comment
  UC37469  Aristida adscensionis C. R. Orcutt 1890-4-24 Riverside Colorado Desert Comment
  POM1100  Aristida adscensionis var. modesta I. M. Johnston 1917-4-4 1011 Riverside Palm Canyon. Comment
  RSA0026168  Aristida oligantha Marc Baker, Amy Robinson, Chris Hackbarth, Michelle Cloud-Hughes 2013-3-19 17715 Riverside Palo Verde Mesa, 14 kilometers SW of Blythe, 5 kilometers ENE of north end of Mule Mountains. Comment
  CLARK-A1528-4475  Aristida parishii John C. Roos 1940-2-17 891 Riverside Reche Canyon 457 Comment
  CLARK-A1528-4484  Aristida purpurea John C. Roos 1965-6-23 Riverside Eagle Mountain Comment
  UCR196361  Aristida purpurea Naomi Fraga, Lisa Rojas 2005-2-10 1378 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  RSA385034  Aristida purpurea var. fendleriana H. de Forest, Jack Rempel 1934-4-14 s.n. Riverside San Gorgonio Pass. 640 Comment
  UC1922712  Aristida purpurea var. purpurea Naomi Fraga, Lisa Rojas 2005-2-10 1417 Riverside Colorado Desert; Northeastern Colorado Desert region: Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. Comment
  HSC85327  Artemisia californica Steve Boyd 1985-12-24 1194 Riverside Gavilan Hills; Harford Springs County Park, south end of park Comment
  UCR13706  Artemisia californica N. R. Zabriskie, W. Zabriskie 1972-12-25 548 Riverside Western Colorado Desert/ San Jacinto Mtns, On trail to ridge above Eagle Peak, Andreas Canyon, E slope San Jacinto 917 Comment
  SEINET182497  Artemisia douglasiana Unknown 1935-8-21 Riverside Riverside County: West of Keen Camp P. O. 1360 Comment
  JOTR32836  Artemisia dracunculus La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1551 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; active wash near base of granitic outcrops 1250 Comment
  SD137912  Artemisia dracunculus Darin L. Banks, Steve Boyd 1995-10-17 771 Riverside Northwest Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; along lower Arroyo Seco. 515 Comment
  UC1871200  Artemisia dracunculus Steve Boyd, Tim Ross, Travis Columbus 1993-10-23 8193 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, upper Morrell Canyon along Morgan Trail (5W02). 755 Comment
  UCR116674  Artemisia dracunculus A. C. Sanders, Carolyn Washburn 2001-5-10 24238 Riverside Perris-Aguanga Basin, 1 mi. south of Winchester on the east side of Hwy 79 (Winchester Rd.) just south of Patton Ave. 488 Comment
  UCR245797  Artemisia dracunculus A. C. Sanders, T. B. Salvato, Ana Hernandez, Karyn Drennen, Angela Collada 2013-10-2 40958 Riverside Peninsular Range, Wilson Valley Preserve, 0.12 mi. S of Wilson Valley Rd., 1.1 mi. east of Sage Rd., 1.65 mi. east (87 deg. ) of Round Top Mtn. 770 Comment
  UCR274224  Artemisia ludoviciana Duncan S. Bell 2014-11-14 7707 Riverside Santa Rosa Mountains, Santa Rosa Mountain Wilderness area, west side of Martinez Mountain, at meeting point of Horsethief Creek and the Cactus Spring Trail 1055 Comment
  POM9852  Artemisia ludoviciana subsp. albula E. C. Jaeger 1921-12-7 s.n. Riverside Tahquitz Canyon, Palm Springs. 244 Comment
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Nov 5 2011
  UCR121137  Artemisia tridentata June Latting 1972-10-27 s.n. Riverside San Jacinto Mountains, San Jacinto River canyon [near Strawberry Creek confluence] along Hwy-74 between Hemet and Mountain Center 1220 Comment
  UC1782173  Artemisia vulgaris O. F. Clarke 2000-12-9 Riverside O. F. Clarke residence, 266 Frost Court 360 Comment
  RSA496471  Asclepias californica Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-31 3086 Riverside Vail Lake area, S of Hwy 79, Kolb Creek drainage, W of Woodchuck Rd. 488 Comment
  RSA773105  Asclepias californica Duncan S. Bell, Joy England 2010-6-14 1297 Riverside San Bernardino National Forest: Garner Valley, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 1384 Comment
  RSA335034  Asclepias fascicularis Steve Boyd 1985-8-7 1102 Riverside Santa Rosa Plateau Region, NW base of Redonda Mesa on Tenaja Road, 0.8 mile east of jct with 8S01 and 8S02. Comment
  RSA401110  Asclepias subulata M. B. Dunkle 1934-3-18 3859 Riverside Shavers Valley. Mecca Hills. W. of Shaver's Well. 91 Comment
  SEINET10877281  Asclepias subulata Roxana S. Ferris, Rimo Bacigalupi 1932-4-30 Ferris 8247 Riverside In canyon between Shaver's Well and Mecca Comment
  CAS-BOT-BC482876  Asphodelus fistulosus A. C. Sanders; T. B. Salvato 2001-5-24 24371 Riverside Perris-Aguanga Basin region: Temecula, Long Cayon area west of Del Rey Rd. along Avenida Buena Suerte 381 Comment
  RSA417617  Aster alpigenus var. andersonii M. B. Dunkle 1933-7-22 3738 Riverside Tahquitz Valley. 2317 Comment
  UCR264470  Aster subulatus Jeremiah George 2014-12-11 s.n. Riverside San Gorgonio Pass Region, Beaumont, just south of West 4th St. at end of small paved spur road, area boxed in by commercial development 772 Comment
  RSA781912  Astragalus aridus Duncan S. Bell 2010-5-1 897 A Riverside Arica Mountains: northwest section of the project area, approximately 2 air miles south of the junction of Highway 62 and the aqueduct access road. 283 Comment
  CLARK-A1656-621  Astragalus coccineus Lois Ann Scott 1978-5-6 Riverside San Jacinto Mountains 1219 Comment
  JOTR33848  Astragalus didymocarpus var. dispermus La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3060 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; sandy wash leading to Pinto Wash 354 Comment
  RSA415493  Astragalus douglasii Christopher Davidson 1978-6-15 7394 Riverside Santa Rosa Mountains. Santa Rosa Peak. Trail to the top. 2409 Comment
  SBBG87357  Astragalus douglasii D. Charlton 1988-5-21 1918 Riverside Thomas Mtn Rd from N to S, W of Garner Valley and S of Lake Hemet on Hwy 74 1524 Comment
  UCR145190  Astragalus douglasii June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  UC862974  Astragalus douglasii var. douglasii Marcus E. Jones, A. M. 1882-4-24 3166 Riverside San Jacinto Comment
  CAS-BOT-BC178448  Astragalus douglasii var. parishii E. K. Balls 1949-5-4 13482 Riverside Near Fuller Creek Camp Ground, San Jacinto mts. 1371 Comment
  RSA415492  Astragalus douglasii var. parishii Robert Kessler 1921-9-1 s.n Riverside Summit of Tahquitz. 2439 Comment
  SD111917  Astragalus douglasii var. parishii Barbara Ertter, Jeffrey Strachan 1980-5-21 3484 Riverside Santa Rosa Mountain road, ca. 2.0 miles south of Highway 74, rivulets on southeast slope. 1584 Comment
  SEINET10490024  Astragalus douglasii var. parishii Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-15 Conrad 7140 Riverside Scattered yellow pine at margin of large valley, 5.9 mi se of jct of idlewild Road and hwy 74 on 74. Comment
  UC862682  Astragalus douglasii var. parishii I. W. Clokey, E. G. Anderson 1935-8-21 6718 Riverside e Keen Camp P.O.; e of Keen Camp P.O. 1350 Comment
  UCR102843  Astragalus gambelianus A. C. Sanders 1997-4-3 20170 Riverside Lake Skinner area, N edge of large clay patch adjacent to the E side of the Skinner entrance road, c. 1-2 km NE of Borel Road. 473 Comment
  UCR120653  Astragalus gambelianus D. E. Bramlet, P. Jacks, S. Goode 1989-4-4 1789 Riverside Perris-Aguanga Basin Region, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  UCR174318  Astragalus gambelianus A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32554 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
  UCSB45547  Astragalus insularis var. harwoodii Roos, John 1958-3-15 Riverside Chuckwalla Mtns., 3 miles SE of Desert Center Comment
  CAS-BOT-BC192764  Astragalus palmeri Peter H. Raven 1958-5-5 12885 Riverside Jumbo Rocks Camp Ground, Joshua Tree National Monument Comment
  RSA12908  Astragalus pomonensis C. B. Wolf 1935-4-7 6298 Riverside 1 mile W of Val Verde in the Gavilan region. 488 Comment
  RSA524468  Astragalus pomonensis Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4071 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
  UC1929603  Astragalus pomonensis Scott D. White 2001-3-13 8161 Riverside PERRIS / ELSINORE BASINS: Menifee / Sun City area. Valleys and slopes east of Canyon Lake and west of Goetz Rd. Comment
  UC811445  Athyrium filix-femina var. cyclosorum P. A. Munz 1922-7-6 6030 Riverside n fork of Tahquitz Creek; San Jacinto Mts 2225 Comment
  POM11528  Athysanus pusillus P. A. Munz, I. M. Johnston 1922-5-19 5441 -a Riverside Garner Ranch, Hemet Valley. 1402 Comment
  UCR91430  Athysanus pusillus Scott D. White 1995-3-30 2645 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  UCR213892  Atriplex argentea var. mohavensis Scott D. White 2009-8-10 13354 Riverside Temecula Valley, city of Temecula, west bank of Murrieta Creek, c. 0.5 mi north and south of the Main Street Bridge 306 Comment
  CLARK-A1656-894  Atriplex canescens Lois Ann Scott 1977-11-18 Riverside Palm Springs Comment
  RSA15501  Atriplex canescens L. S. Rose 1935-12-19 35670 Riverside Palm Springs 138 Comment
  RSA451005  Atriplex canescens Stephen M. Beckstrom-Sternberg 1985-9-13 1038 Riverside Living Desert Reserve, Palm Desert Comment
  RSA736755  Atriplex canescens Scott D. White, Lynn Stafford 2007-6-27 11747 Riverside Santa Ana River floodplain just below Prado Dam. 134 Comment
  SD40818  Atriplex canescens Carl B. Wolf 1932-10-13 4303 Riverside Eagle Mountains, Cottonwood Springs. 950 Comment
  SEINET3090648 Image available Atriplex canescens H. S. Gentry 1954-7-24 14249 Riverside Aguanga Comment
  SEINET3930583  Atriplex canescens Grant D. Brown 1950-12-2 594 Riverside Santa Ana River NW of Arlington.; 0 198 Comment
  SEINET998491  Atriplex canescens A. C. Sanders 2005-1 29128 Riverside Sonoran (Colorado) Desert: SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. (East of Victory Pass 7.5' Q) 168 Comment
  RSA591763  Atriplex coronata var. notatior J. C. Roos 1965-6-30 s.n. Riverside Perris. Comment
  SD174862  Atriplex coronata var. notatior Mark A. Elvin 2005-5-24 4315 Riverside Southern Coastal: Perris; east of I-215; south of San Jacinto River; northwest corner of jct Ellis Avenue and first road east of I-215. Perris 7.5' quad. Plants in open scald areas. 427 Comment
  CAS-BOT-BC170262  Atriplex hymenelytra John Thomas Howell 1928-1-29 3302 Riverside Rocky hillside at entrance to Painted Canyon, Colorado Desert Comment
  LA204679  Atriplex hymenelytra Miss Halflaud; March 1925 6484 Riverside Palm Springs Comment
  RSA0031555  Atriplex hymenelytra Duncan S. Bell 2013-1-30 4445 Riverside The Mecca Hills; in an unnamed canyon between Thermal Canyon and Painted Canyon, just to the west of Mecca Hills peak 1642. 138 Comment
  UC1136250  Atriplex hymenelytra R. St. John 1931-1-5 170 Riverside 5 mi n Indio; Indio Quad., n of Indio Comment
  UCR75092  Atriplex hymenelytra A. C. Sanders, E. J. Lawlor 1992-4-4 12097 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UC500782  Atriplex polycarpa Aven Nelson 1930-3-1 11151 a Riverside Indio Comment
  RSA785197  Atriplex suberecta D. E. Bramlet 1996-5-4 2461 Riverside San Jacinto Valley, San Jacinto Wildlife Area, 300m SW of Pond No. 1, and c. 1 km NE of the reserve entrance at Davis Road 433 Comment
  IRVC1450  Avena barbata R. H. Whittaker, W. A. Niering 1963-6-6 SJ 225 Riverside San Jacinto Ridge Road (5509) N Fork San Jacinto River. Peninsular Ranges, San Jacinto Mountains 1311 Comment
  SD137969  Avena barbata Darin L. Banks 1995-4-11 182 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, along the Dripping Springs Trail. 779 Comment
  UCR232797  Avena fatua John F. Green 2008-4-16 0408- 40 Riverside Peninsular Range; Perris-Aguanga Valley, SW of Romoland, powerline route north of McLaughlin Rd. between Dawson Rd. and I-215 Fwy 436 Comment
  CAS-BOT-BC145738  Avena sativa John Thomas Howell 1960-3-24 35146 Riverside Hemet. Comment
  CAS-BOT-BC213224  Ayenia compacta Annie M. Alexander; Louise Kellogg 1941-5-26 2236 Riverside Monsen Canyon, Eagle Mountains 822 Comment
  CDA42499  Azolla filiculoides F. J. Willmarth Apr 1958 s.n. Riverside Reservoir, Hemet Valley. 0 Comment
  UCR146486  Azolla filiculoides Scott D. White, Angelia Carey 2004-9-16 10762 Riverside San Jacinto Mountains foothills, Indian Creek; (Lake Fulmor) 567 Comment
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Aug 22 2020
  UCR99570  Azolla filiculoides Julie A. Greene, Steve Boyd, D. Bramlet, H. Flores, H. Ochoterana 1993-7-9 1418 Riverside San Jacinto Valley, San Jacinto Wildlife Area [northwest of Lakeview] 433 Comment
  JOTR32848  Baccharis brachyphylla La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1169 Riverside Joshua Tree National Park. Little San Bernardino Mountains, east of Queen Mountain, near north entrance to park; basalt rocky slopes 946 Comment
  LA203015  Baccharis salicifolia C. L. Hitchcock; 1940-4-12 6048 Riverside 8 mi. NW of Elsinore 457 Comment
  RSA770295  Baccharis salicifolia Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4580 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA178643  Baccharis sergiloides C. B. Wolf 1932-10-12 4298 Riverside Above Pinyon Well, Little San Bernardino Mts. 1220 Comment
  RSA314468  Baccharis sergiloides R. F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55384 Riverside San Bernardino Mts.: Side canyon on W side of Whitewater Cyn, ca. 3.3 mi. N of Whitewater Post Office. 595 Comment
  UCR272672  Baccharis sergiloides Sarah J. De Groot, Duncan S. Bell 2015-9-21 7583 Riverside Peninsular Range; Santa Rosa Mountains, SSW of Palm Desert, near Potrero Spring near head of Potrero Canyon, west of Dunn Road, NW of Asbestos Mountain, SW of Haystack Mountain 1084 Comment
  SD224826  Bahia absinthifolia Daryl Koutnik 1996-7-19 Riverside Riverside: Univ. of CA, Riverside, UCR Botanical Garden. 853 Comment
  CAS-BOT-BC99969  Baileya pauciradiata Ira L. Wiggins 1938-3-19 8900 Riverside Colorado Desert 25 mi. W. of Blythe Comment
  JOTR16563  Baileya pauciradiata Dengler, A. 1966-3-31 46 Riverside Joshua Tree National Park. OLD DALE 609 Comment
  POM350661  Baileya pauciradiata N. C. Cooper 1944-5-20 2642 Riverside Palm Springs. 137 Comment
  HSC101253  Baileya pleniradiata Jim Andre 2012-3-19 21360 Riverside Palen Valley; along Palen Pass Rd. (dirt), 1.2 mi. east of Hwy 177. 184 Comment
  UCR244892  Baileya pleniradiata Jim Andre 2012-3-19 21360 Riverside Sonoran (Colorado) Desert, Palen Valley along Palen Pass Rd [Coxcomb Monument Rd.] (dirt), 1.2 mi. east of Hwy 177 184 Comment
  RSA289836  Bassia hyssopifolia B. A. Prigge 1980-9-17 4080 Riverside Coachella Valley Stormwater Channel: 1.5 miles N of Coachella where Dillon Road crosses channel. -12 Comment
  UCR229499  Bassia hyssopifolia Jeremiah George 2011-8-3 s.n. Riverside Peninsular Range; Elsinore Trough, Lake Elsinore, north end of Pasadena Ave., SE of Hwy 74/Riverside Dr. 386 Comment
  RSA92403  Bebbia juncea F. W. Peirson 1917-4-1 1323 Riverside Palm Springs Comment
  SEINET10616171  Bebbia juncea David B. Dunn, Harold L. Lint 1948-1-25 Dunn 3629 Riverside Found in a wash 200 yards below springs. Pushawalla Canyon, Indio Hills of the Colorado Desert; west of Indio. Comment
  UCR244893  Bebbia juncea var. aspera Jim Andre 2012-3-19 21373 Riverside Sonoran (Colorado) Desert, Palen Valley along Palen Pass Rd [Coxcomb Monument Rd.] (dirt), 7.1 mi. east of Hwy 177 321 Comment
  CAS-BOT-BC154106  Beloperone californica N. Aitkenhead 1977-2-2 2105 Riverside S-O line S.W. of radio tower top of Chuckwalla Mnts Comment
  CLARK-A1528-1368  Beloperone californica John C. Roos 1965-9-26 Riverside Santa Rosa Mountains Comment
  CLARK-A1528-1167  Berberis dictyota John C. Roos 1952-2-29 5379 Riverside Comment
  UCR59772  Berberis nevinii Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 3001 Riverside Vail Lake Area, Temecula Creek Cyn below Vail Lake dam 457 Comment
  UCR85592  Bergia texana Julie A. Greene, Steve Boyd, D. E. Bramlet, Hilda Flores, H. Ochoterena B. 1993-7-9 1432 Riverside San Jacinto Valley, San Jacinto Wildlife Area [northwest of Lakeview] 433 Comment
  CLARK-A1528-2687  Bernardia incana John C. Roos 1946-9-14 3024 Riverside San Jacinto Mountains Comment
  LA204860  Bernardia incana Carl Epling; May 1938 sn Riverside Santa Rosa Mountains, Pinon Flats Comment
  POM172733  Bernardia incana M. French Gilman 1930-4-6 9 Riverside [Monsen] Canyon, Eagle Mts. Comment
  SD216473  Bernardia incana Jay B. Walker 1995-5-3 1405 Riverside South of Palm Desert along Highway 74, 3 kilometers East of Pinyon Flats Campground 1200 Comment
  UC1281152  Bernardia incana H. E. McMinn 1935-6-27 4070 Riverside Palms to Pines Hwy. on grade to the valley Comment
  POM158180  Bidens laevis Philip A. Munz 1928-9-6 11266 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  UCR113587  Bidens laevis A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23679 Riverside Santa Ana River Valley, SW side of Mt. Rubidoux, NW of intersection of Tequesquite Ave. and Gregory Rd., near confluence of Arroyo Tequesquite and the river 232 Comment
  UCR239926  Bidens laevis O. F. Clarke 2005-11-25 s.n. Riverside Prado Basin, Santa Ana River near Corona 155 Comment
  UCR107753  Bloomeria crocea D. L. Banks 1997-5-5 1999 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 S fork of Pechanga Creek 427 Comment
  UC123745  Boechera platysperma F. M. Reed 1908-7-13 2527 Riverside Tahquitz Ridge San Jacinto Mountains 2590 Comment
  LA204241  Boechera xylopoda L. Haines; L. Erickson 1937-4-10 Riverside Palms to Pines Highway near road to Shumay Comment
  RSA714627  Boerhavia coccinea B. Pitzer 2001-8-19 4338 Riverside Peninsular Range, Santa Rosa Mountains: Carrizo Canyon, sheep guzzler ca. 0.5 mi. SW of where Hwy 74 crosses canyon. 701 Comment
  CAS-BOT-BC434522  Boerhavia diffusa S. B. Parish; W. F. Parish 1881-7-1 590 Riverside Base of San Jacinto Mt. Comment
  UCR242290  Boerhavia erecta var. intermedia A. C. Sanders, T. B. Salvato 2012-10-12 40419 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd., 0.35 mi. west of I-10 junction 114 Comment
  JOTR30081  Boerhavia intermedia La Doux, Tasha, Bill Truesdell 2006-10-3 1712 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 Comment
  UC53648  Bothriochloa barbinodis Dr. A. Davidson Riverside Banning Comment
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Mar 13 2011
  CAS-BOT-BC145588  Bouteloua aristidoides Roxana S. Ferris; Rimo Bacigalupi 1958-3-19 13239 Riverside In wash arising in Big Maria Mountains. Highway U.S. 95, 11.3 miles north of Blythe. Comment
  RSA575736  Bouteloua barbata S. J. Darbyshire, J. Cayouette 1994-9-17 4636 Riverside Chuckwalla Valley 30 mile E [of] Desert Center, Highway 10 rest area. 90 Comment
  RSA778407  Bouteloua barbata var. barbata Stephanie Rockwood, Christi Gabriel 2011-10-5 61 Riverside Ship Creek. Corn Springs Rd Exit from I10. Take Chuckwalla Valley Rd to Dupont Rd. Follow approximately 5 miles. Chuckwalla Mountains Wilderness Area. 341 Comment
  UCR265475  Bouteloua barbata var. barbata Jordan Zylstra 2014-8-17 14029 Riverside Santa Rosa Mountains, vicinity of Pinyon Flat and head of Cactus Springs Trail, south of Hwy 74 1280 Comment
  JOTR30294  Bouteloua curtipendula Andre, Jim, Tasha La Doux 2007-9-6 8705 Riverside Joshua Tree National Park. On dirt road to Lost Horse Ranger Station, below Hemingway Buttress 1236 Comment
  SEINET4691502  Bowlesia incana A. C. Sanders 2012-1 39991 Riverside Peninsular Range; Elsinore Valley: city of Lake Elsinore, long Riverside Dr. (HWY74) NE of Baker St. at edge of temescal Creek 384 Comment
  UCR207518  Bowlesia incana O. F. Clarke 2004-3-16 s.n. Riverside Peninsular Range, eastern edge of Riverside; Box Springs Mtns, Two Trees Canyon 412 Comment
  UCR91848  Bowlesia incana A. C. Sanders, O. F. Clarke 1996-4-13 18035 Riverside Riverside: Box Springs Mtns, crest of range in vicinity of park headquarters, head of Two Trees Canyon 700 Comment
  POM16502  Boykinia rotundifolia H. Baer 1923-6-24 s.n. Riverside Lee Lake, Temescal Canyon. Comment
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Jul 14 2012
  UCR47907  Boykinia rotundifolia Frank C. Vasek 1987-7-14 870714- 01 Riverside San Jacinto Mtns., Vista Grande Road (3508) 1 mile east of Banning-Idyllwild Road (SH234) 1524 Comment
  RSA184555  Brandegea bigelovii C. L. Hitchcock 1932-4-7 12198 Riverside Corn Springs. Comment
  RSA690989  Brandegea bigelovii Scott D. White, Michael Honer 2003-5-15 9313 Riverside Bajada below Little Maria/ Big Maria Mtns. near Inca RR siding, ca. 15 air miles NW of Blythe. 61 Comment
  UCR104965  Brandegea bigelovii George K. Helmkamp, E. A. Helmkamp 1998-2-18 2730 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; 0.3 mi south of Chuckwalla Rd. on Graham Pass Rd. 122 Comment
  RSA0084265  Brassica nigra B. Pitzer, Karen Kirtland 1986-5-6 263 Riverside Weedy field 1.5 mi. SE of Murrieta along Murrieta Creek; bounded on N by Fig St., on S by Elm St., on E by Adams Ave., & on W by Jefferson Ave. 316 Comment
  RSA0066318  Brassica nigra Steve Boyd, Dave Bramlet 1990-4-29 4496 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  UCR196377  Brassica tournefortii Naomi Fraga, Lisa Rojas 2005-2-10 1372 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  UCR243159  Brassica tournefortii LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4295 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
  UCR272313  Brassica tournefortii Duncan S. Bell 2010-2-21 552 Riverside Eastern Mojave Desert, Palen/McCoy Wilderness area, large drainage on western section of range 452 Comment
  UC574884  Brickellia atractyloides C. Epling and Wm. Robison 1933-6-26 Riverside Key's View Little San Bernardino Mountains Comment
  RSA614691  Brickellia californica A. C. Sanders 1994-10-6 15787 Riverside San Jacinto Mountains (N slope): rocky gorge of Azalea Creek, Twin PInes Creek drainage 1189 Comment
  SD127532  Brickellia californica Reid Moran 1967-11-7 14646 Riverside 7 mi W Radec 399 Comment
  UCR109484  Brickellia desertorum A. C. Sanders, Pam MacKay, Tim Thomas, O. F. Clarke 1996-11-23 19650 Riverside San Bernardino Mtns., Whitewater Canyon, just below the fish hatchery 648 Comment
  UCR23692  Brickellia desertorum John C. Roos 1946-9-14 3023 Riverside Santa Rosa Mountains, Pines-to-Palms Highway. 1100 Comment
  UCR112587  Bromus arizonicus A. C. Sanders 1998-3-17 21748 Riverside Riverside, open fields at NE edge of UCR campus, east of A & I dorms and south of Watkins Dr. 335 Comment
  RSA78185  Bromus berteroanus J. C. Roos, L. Roos 1953-3-21 5909 Riverside Mouth of Andreas Canyon, south of Palm Spriings. 274 Comment
  POM259162  Bromus ciliatus var. ciliatus P. A. Munz 1938-8-14 15356 Riverside Virgin Spring, Santa Rosa Peak. 2287 Comment
  POM363860  Bromus grandis N. C. Cooper 1944-5-20 1311 Riverside Palms to Pines Highway, San Jacinto Mountains. 915 Comment
  SEINET3922492  Bromus grandis Scott D. White 1999-6-6 7446 Riverside San Jacinto Mts. Near Idyllwild Community Service Dist. sewage ponds at terminus of USFS Road 5S24.2.; 0 1433 Comment
  UC50583  Bromus hordeaceus Dr. A. Davidson Riverside Banning Comment
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Mar 21 2011
  UCR133673  Bromus hordeaceus Michael D. Wilcox 2003-5-13 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  NY1088730  Bromus madritensis subsp. rubens D. K. Christopher 2003-4-4 93 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 530 Comment
  SD137962  Bromus madritensis subsp. rubens Darin L. Banks 1995-4-11 173 Riverside Cleveland National Forest; Agua Tibia Wilderness Area; north slope of Agua Tibia mountain; east of the Dripping Springs Alcove area, along the Dripping Springs trail 950 Comment
  UCR234225  Bromus rubens A. C. Sanders, John F. Green 2012-3-20 39979 Riverside Peninsular Range; Elsinore Trough, Lake Elsinore, Collier Ave. at 3rd St., just south of I-15 Fwy 389 Comment
  UCR104906  Bromus tectorum A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20645 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  CLARK-A1528-4562  Bromus trinii John C. Roos 1942-5-2 1120 Riverside Little San Bernardino Mountains Comment
  UCR42311  Bromus trinii N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 171 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  CHSC852  Caesalpinia virgata V. Holt 1942-3-29 Riverside Indio. 152 Comment
  POM47669  Caesalpinia virgata Mary F. Spencer 1920-3-13 1448 Riverside Painted Canyon near Mecca -60 Comment
  UCR225584  Calandrinia ciliata A. C. Sanders 2011-3-29 38864 Riverside Peninsular Range; Perris-Aguanga Basin Region, hills between Sun City and Perris, low hilltop along powerline corridor c. 1/2 mile west of Goetz Rd., west of Alabaster Loop, above the San Jacinto River upstream of Railroad Canyon Lake 451 Comment
  UCR91292  Calandrinia ciliata Scott D. White, M. Jacobsmeyer 1996-4-20 3976 Riverside Perris Basin, Near Perris Airport, c. 100 m north of Case Road, just west of the I-215 Fwy 433 Comment
  UCR49227  Calandrinia ciliata var. menziesii Steve Boyd 1986-4-2 1607 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCR35005  Calia secundiflora L. B. Ziegler 1976-8-25 552 Riverside San Jacinto Valley, upper part of valley on slopes below the hills on east side 457 Comment
  UCR202065  Callitriche Karin Cleary-Rose 1998-3-6 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, Palmieri property, 25 acre parcel in western Hemet, south of Hwy 74, west of Warren Rd, directly east of the San Diego Aqueduct and c. 500 ft. east of Salt Creek, north of Stetson Ave. 527 Comment
  CAS-BOT-BC85769  Calocedrus decurrens Winifern W. Swarth 1914-9-8 s.n. Riverside Strawberry Valley, San Jacinto Mts. 1828 Comment
  UCSB10556  Calocedrus decurrens Ralph, F. 1959-5-16 Riverside Near the foot if Devil's Slide Trail entering the Wilderness area of Mt. San Jacinto State Park 1828 Comment
  RSA779939  Calochortus concolor Duncan S. Bell, Jennifer Pilapil, Jackie McConnaughy 2011-5-3 2376 Riverside Just off of the Pacific Crest Trail between Whitewater canyon and Mission Creek canyon; approximately 0.6 air miles northeast of Red Dome. 859 Comment
  UCR23208  Calochortus concolor J. C. Lyman 1981-5-22 s.n. Riverside San Jacinto Mountains, east side of Mt. San Jacinto 1524 Comment
  CAS-BOT-BC488542  Calochortus concolor E. K. Balls 1958-6-27 23296 Riverside Santa Ana Mts., 3.2 miles NW along Indian Truck Trail from Junction with Main Divide 853 Comment
  UCR217567  Calochortus plummerae Jeff B. Galvin 2008-6-11 67 Riverside Peninsular Ranges, Western foothills of the San Jacinto Mountains, Potrero, 4.3 km south of Beaumont and ~ 1 km west of Highland Springs Rd. 750 Comment
  UCD139571  Calochortus splendens Geoffrey Levin 1975-4-26 481 Riverside Mayhew Canyon Wash 1.5 mi. SE of Glen Ivy on Highway 71. Pacific Slope Drainage Area. 335 Comment
  RSA92741  Calochortus splendens J. C. Roos, L. Roos 1952-5-19 5688 Riverside Between Moreno and Redlands in branch of San Timateo Canyon. 488 Comment
  RSA388336  Calycadenia tenella Steve Boyd 1986-5-7 1826 Riverside Temescal Canyon Alberhill Mountain: lower slopes of S flank just east of clay mine area 427 Comment
  RSA791486  Calycoseris parryi J. Andre, Tasha La Doux, R. B. Kelley 2011-5-4 21075 Riverside Joshua Tree National Park; Long Canyon, up side canyon approx. 400 m. west of main canyon drainage. 1172 Comment
  SBBG104076  Calycoseris wrightii A. C. Sanders, E. J. Lawlor 1992-4-4 12114 Riverside within 0.5 mi of McCoy Spring 243 Comment
  SD227882  Calyptridium monandrum A. C. Sanders 1994-5-29 14578 Riverside San Bernardino Mtns.East Branch Millard Canyon, along FS Road 4S45. Roadside at a wash crossing. 1200 Comment
  RSA282929  Calyptridium parryi C. W. Tilforth, B. Busenberg 1980-6-17 2016 Riverside Along Thomas Mtn Rd south of Lake Hemet, west of Hwy 74. 1662 Comment
  UCR154626  Calystegia macrostegia A. C. Sanders, Mike Misenhelter 2005-6-15 30993 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
  UCR155947  Calystegia macrostegia T. B. Salvato, Kent Beaman 2005-5-16 819 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
  UCR21841  Calystegia macrostegia Steve Boyd 1980-7-16 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, west edge of the reserve c. 1/4 mile north of the Motte's house 520 Comment
  RSA394916  Calystegia macrostegia subsp. tenuifolia M. B. Dunkle 1934-3-18 3853 Riverside W. of Shaver's Well. 91 Comment
  RSA750441  Camissonia A. C. Sanders 1994-5-29 14556 Riverside San Bernardino Mtns Morongo Indian Reservation, low pass between Millard Canyon and Potrero Creek. 793 Comment
  UC68590  Camissonia H. M. Hall Apr. 1905 5833 Riverside near Mecca; Colorado Desert -30 Comment
  HSC16408  Camissonia bistorta C. L. Hitchcock 1966-3-15 24173 Riverside 4 mi. NE of Aguanga Comment
  SEINET7072845  Camissonia bistorta A. G. Vestal 1963-5-19 s.n. Riverside About 0.5 mile west of Cahuilla. Coordinate datum: WGS84/NAD83. (33? deg. 32' 25" North Latitude, -116? deg. 45' 8" West Longitude, Coordinate datum: NAD27.). Comment
  UCR41843  Camissonia brevipes A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6079 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  JOTR31773  Camissonia brevipes subsp. brevipes Andre, Jim, Tasha La Doux 2009-3-10 11242 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
  RSA466212  Camissonia brevipes subsp. brevipes H. de Forest, Jack Rempel 1935-4-14 s.n. Riverside Mojave Desert. Lost Horse Valley and Pinto Basin. Comment
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Jan 8 2017
  JOTR29162  Camissonia californica La Doux, Tasha, K. Knudsen, J. Galvin 2005-8-22 1239 Riverside Joshua Tree National Park. Key's view Comment
  JOTR31039  Camissonia californica La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1291 Riverside Joshua Tree National Park. Stop 5: Hexie Mountains, steep gravel slopes above north side of Blue Cut Gorge Comment
  RSA466170  Camissonia californica M. B. Dunkle 1933-3-5 3075 Riverside Colorado Desert, Palm Springs. 91 Comment
  SEINET10936397  Camissonia cardiophylla David B. Dunn 1946-2-22 Dunn 1964 Riverside Mud flats dry, caked, split. All american canal catch basin from desert Washes. Oracopia mts ne of the salton sea. Very arid country. Comment
  SEINET12806728  Camissonia cardiophylla subsp. cardiophylla Chris Dietrich, M. Merello & H. Schmidt 1994-1 22 Riverside 9 miles north-northwest of Indio, off 9 Dillon Road 1.9 miles northeast on Berdoo Canyon Road, BLM land, Desert Access Guide Map #17 358 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
  UCR168447  Camissonia chamaenerioides Mary F. Spencer 1920-4-7 1465 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Canyon 244 Comment
  RSA135302  Camissonia claviformis subsp. aurantiaca Peter H. Raven 1958-2-16 11626 Riverside Just west of Blythe Air Field. Comment
  RSA144802  Camissonia claviformis subsp. aurantiaca E. G. Linsley, J. W. MacSwain 1960-3-2 60 -9 Riverside 2 miles west of Desert Center. Comment
  RSA149769  Camissonia claviformis subsp. aurantiaca Jane Turner, F. M. Ball 1962-3-24 803 Riverside U.S. Hwy 70 at Whitewater. E. 366 Comment
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Oct 1 2011
  RSA278959  Camissonia claviformis subsp. aurantiaca Barry A. Prigge, L. Martinez 1978-3-23 2402 Riverside NW Colorado Desert, Coachella Valley, 1.9 miles E of North Palm Springs on Dillon Rd. 244 Comment
  RSA676148  Camissonia claviformis subsp. aurantiaca Scott D. White 2001-4-12 8313 Riverside Shaver s Valley. South of the I-10 Freeway, ca. 15 miles east of Indio jtn. I-10 / SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. 320 Comment
  UCR84586  Camissonia confusa Scott D. White, S. Ogg 1994-4-21 2011 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  SEINET7072847  Camissonia contorta A. G. Vestal 1963-5-20 s.n. Riverside Long Valley Road at Tececula and at the junction with Route 395 (115). Coordinate datum: WGS84/NAD83. (33? deg. 30' 3" North Latitude, -117? deg. 9' 3" West Longitude, Coordinate datum: NAD27.). Comment
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Jun 24 2020
  RSA525452  Camissonia ignota Steve Boyd, Dave Bramlet 1990-4-29 4497 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  UCR90416  Camissonia intermedia D. L. Banks, Steve Boyd 1995-4-5 0137 Riverside Palomar Mtns region, Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn, east of the Dripping Springs Alcove, west of the Dripping Springs Trail. 610 Comment
  JOTR35454  Camissonia pallida subsp. hallii Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 58 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop3) Comment
  POM14084  Camissonia pallida subsp. pallida P. A. Munz, D. Keck 1922-4-14 4978 Riverside 10 mi. west of Indian Wells. Along the Whitewater Wash. 91 Comment
  POM253860  Camissonia pallida subsp. pallida A. M. Alexander, Louise Kellogg 1941-4-22 2059 Riverside Morongo Valley Gorge. 701 Comment
  RSA449237  Camissonia pallida subsp. pallida Anstruther Davidson 1926-3-1 3613 Riverside Colorado Desert. Comment
  JOTR38649  Camissonia refracta La Doux, Tasha 2004-2-24 1113 Riverside Joshua Tree National Park. Cottonwood Canyon 932 Comment
  UCR127351  Camissonia strigulosa A. C. Sanders, D. Malueg 2003-5-8 26561 Riverside San Jacinto Valley, San Jacinto Riverbottom, north of San Jacinto and SE of State St. 465 Comment
  UCR44448  Camissonia strigulosa A. C. Sanders, B. Pitzer 1986-4-30 6472 Riverside San Jacinto Valley, San Jacinto River Valley at the mouth of Bee Canyon. 610 Comment
  UCR275508  Camissoniopsis D. E. Bramlet 2012-4-9 4998 Riverside San Gorgonio Pass, Banning, open fields south of Westward Ave. and east of Sunset Ave., west of 22nd St. 732 Comment
  JEPS31515  Camissoniopsis bistorta I. W. Clokey, C. B. Clokey, and B. C. Templeton 1930-4-15 4730 Riverside Gavilan Peak 600 Comment
  UCD103600  Camissoniopsis pallida subsp. pallida R. L. Smith 1948-3-24 s.n. Riverside Foot of Andreas Canyon. Comment
  RSA614419  Capsella bursa-pastoris D. L. Banks 1997-3-16 1552 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
  RSA228815  Cardamine californica var. integrifolia Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 601 Riverside Santa Rosa Plateau, ca. 5 miles south west of Murrieta near Forest Route 7S01. 487 Comment
  RSA511358  Cardamine californica var. integrifolia B. Pitzer, E. Misquez 1988-3-20 670 Riverside Cleveland National Forest, San Juan Loop Trail, ca. 4 mi. W of El Cariso Village, just across the hwy from Ortega Parks Store. 548 Comment
  POM1458  Carex barbarae I. M. Johnston 1918-5-30 2022 Riverside Temecscal Canyon (near Lee Lake). 335 Comment
  RSA364633  Carex fracta M. B. Dunkle 1933-7-19 3666 Riverside Strawberry Valley. San Jacinto Mountains. 1707 Comment
  CHSC114465  Carex heteroneura P. F. Zika; Nick Otting 2010-8-3 25239 Riverside Vicinity of Willow Creek. San Jacinto Wilderness Area, San Jacinto Mountains (SnJt), Peninsula Ranges. 2550 Comment
  RSA752878  Carex jonesii Orlando Mistretta 2009-7-10 4000 Riverside Santa Ana River Canyon. Vicinity of Camp Round Meadow; 0.40 miles SE of junction of highway 38 and Jenks Lake Rd. 2027 Comment
  POM1481  Carex praegracilis I. M. Johnston 1918-5-26 1995 Riverside Santa Ana River, NW of Corona. 152 Comment
  POM1486  Carex praegracilis Phillip A. Munz 1918-4-27 2132 Riverside Elsinore Comment
  UC212812  Carex schottii I. M. Johnston 1928-4-27 1859 Riverside Murrieta Southern California 304 Comment
  UCSB18913  Carex schottii Keefe, Joseph 1965-5-18 Riverside 100 meters east of stream; Fullermill Creek Campground; north of Idyllwild 1645 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
  SEINET3386517 Image available Carrichtera annua Fred M. Roberts 2007-1 6512 Riverside Southern Coast: Carlsbad, La Costa Greens Ecological Reserve, east side of El Camino Real c. 2 Km south of Palomar Airport Rd. 52 Comment
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Nov 20 2014
  CHSC1694  Castilleja affinis 1940-3-10 Riverside San Jacinto foothills. Comment
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Mar 10 2013
  UC64216  Castilleja affinis subsp. affinis H. M. Hall 1897-4-3 422 Riverside vicinity Winchester Comment
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Mar 20 2011
  UCR244426  Castilleja chromosa Jim Andre 2012-4-16 20959 Riverside Southern Mojave Desert, Joshua Tree National Park; north side of Mt Ryan at Sheep Pass Campground area 1370 Comment
  RSA773666  Castilleja exserta Duncan S. Bell, Joy D. England 2010-5-20 1029 Riverside San Bernardino National Forest: Garner Valley, approximately 2 miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1374 Comment
  UCR49232  Castilleja exserta Steve Boyd 1986-4-2 1612 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA0010936  Castilleja exserta subsp. exserta Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  RSA740625  Castilleja exserta subsp. exserta Scott D. White, Justin M. Wood 2008-7-8 12379 Riverside San Jacinto Mountains: Hurkey Creek Watershed- Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  RSA0010926  Castilleja exserta subsp. exserta N. C. Cooper 1944-4-21 1127 Riverside Banning. 701 Comment
  UCR178005  Castilleja foliolosa 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 1189 Comment
  UCR245981  Castilleja foliolosa Duncan S. Bell, Jennifer Pilapil, Terry Higgins 2011-6-2 2629 Riverside Transverse Range; San Bernardino Mtns., side canyon off of the West Fork of Mission Creek c. 0.5 air mile south of where the Pacific Crest Trail crosses the West Fork of Mission Creek 944 Comment
  UC26455  Castilleja miniata H. M. Hall 1901-8-1 2582 Riverside Tauquitz Valley; San Jacinto Mts. 2438 Comment
  JEPS6193  Castilleja minor subsp. spiralis Peter Kamb 1950-9-13 1939 Riverside Hall Canyon; San Jacinto Mts. 1645 Comment
  UC199386  Castilleja minor subsp. spiralis G. R. Hall 1908-1 Riverside Riverside Comment
  UC495228  Castilleja minor subsp. spiralis Commander Dammers Oct 1930 Riverside Palm Springs Comment
  UC64211  Castilleja minor subsp. spiralis H. M. Hall 1901-7-24 2542 Riverside n side San Jacinto Mountains Comment
  RSA0010914  Castilleja minor subsp. spiralis D. Charlton 1988-5-21 1971 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on hwy 74. 1677 Comment
  UCR224387  Casuarina cunninghamiana Justin M. Wood 2010-1-5 1408 Riverside Prado Basin, city of Corona, Pomona-Rincon Road, 0.2 mi north of the intersection with Railroad Street 165 Comment
  UCR49244  Caucalis microcarpa Steve Boyd 1986-4-22 1736 Riverside Temescal Canyon, Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mountain and Gavilan Hills 427 Comment
  CAS-BOT-BC167200  Caulanthus heterophyllus 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 W of Wilson Creek 915 Comment
  RSA503410  Caulanthus heterophyllus J. D. Olmsted 1962-5-10 3643 Riverside Crest between Sandia Creek and DeLuz Creek drainages 259 Comment
  RSA525257  Caulanthus heterophyllus Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4570 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 548 Comment
  UCR22123  Caulanthus heterophyllus Steve Boyd 1980-5-15 272 Riverside Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan plateau 625 Comment
  RSA0123347  Caulanthus lasiophyllus Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 9008 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  SD187380  Caulanthus lasiophyllus Naomi Fraga, Lisa Rojas 2005-2-10 1366 Riverside Northeastern Colorado Desert region, just north of Palen Pass Road, ca. 10 miles east of Highway 177. 365 Comment
  UCR7737  Caulanthus simulans Frances McKinley 1968-5-4 680405 4 Riverside San Jacinto Mtns., slope 2.8 mi up Banning-Idylwild Road on S side 915 Comment
  RSA0054958  Ceanothus Keith E. Hoffmaster 1932-1 502 Riverside Santa Ana Mts. [Orange or Riverside]. Comment
  SD129397  Ceanothus crassifolius Steve Myers 1990-3-21 Riverside Santa Rosa Plateau area: Along Los Gatos Road, 1/2 mi. S of Buena Vista road (2 mi. W of Sandia Canyon, & 0.1 mi. N or San Diego County Line). 366 Comment
  SDSU10222  Ceanothus crassifolius James C. Dice, George Diggs 1987-12-7 763 Riverside North side of Temecula Gorge, ca. 0.4 km ENE of Field Station site (just SE of Weather Station), overlooking Santa Margarita River. T8S, R3W, NW 1/4 of section 26. 341 Comment
  LA42051  Ceanothus cuneatus Mary V. Hood; 1944-4-4 44- 17 -k* Riverside Between Agaunga & Oak Grove 609 Comment
  RSA276719  Ceanothus greggii var. perplexans John F. Emmel 1978-9-25 620 Riverside Santa Rosa Mountains; slope above Mountain Home Spring 1982 Comment
  LA42071  Ceanothus leucodermis H. L.; 1937-6-4 sn Riverside San Jacinto 609 Comment
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Mar 12 2014
  POM282968  Ceanothus leucodermis E. W. Lathrop 1966-3-20 6072 Riverside Summit Temecula. Comment
  RSA262096  Ceanothus leucodermis E. W. Lathrop 1969-5-9 7029 Riverside Main Divide Truck. Trail between El Carriso and Santiago Peak, Cleveland Nat'l Forest. 1220 Comment
  RSA296125  Ceanothus leucodermis Barry A. Prigge 1980-8-11 3902 Riverside San Bernardino Mts, White Canyon: 3.2 miles upstream from trout farm. 963 Comment
  UCD112263  Ceanothus leucodermis R. Tofsrud 1951-4-25 s.n. Riverside Santa Ana Mts. Above Elsinore. 304 Comment
  UCSB3916  Ceanothus leucodermis Kamb, Peter 1948-7-4 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  RSA569982  Ceanothus ophiochilus Steve Boyd, Kyle Boyd 1993-3-28 7917 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road. 792 Comment
  UCR93033  Ceanothus ophiochilus Steve Boyd, T. S. Ross 1993-3-23 7890 Riverside Palomar Mountains, Palomar Range south of Vail Lake at the N base of Agua Tibia Mtn., Agua Tibia Wilderness area, Cleveland National Forest, along trail extending S from end of Woodchuck Rd. 671 Comment
  CAS-BOT-BC126849  Ceanothus pauciflorus Nancy Ryan Zabriskie; Walter Zabriskie 1970-5-2 292 Riverside Up canyon from turnout parking area which is 1/2 mi. up Sta. Rosa Mt. road from Hwy. 74, Santa Rosa Mountains 1371 Comment
  CAS-BOT-BC51922  Ceanothus perplexans R. F. Hoover 1969-4-13 11227 Riverside Pinyon Flat, San Jacinto Mts. Comment
  UCR87881  Ceanothus perplexans G. F. Pratt 1994-3-21 94- 01 Riverside Mojave Desert, Little San Bernardino Mountains, Joshua Tree National Monument, 1 mi north of Quail Mountain 1524 Comment
  RSA0022335  Ceanothus perplexans Jerry Wilk 1969-5-24 s.n. Riverside 15 mi So. of Banning on Palms to Pines Hwy. Comment
  CAS-BOT-BC63252  Ceanothus tomentosus var. olivaceus L. R. Abrams 1935-4-7 13680 Riverside San Juan Canon, Ortega Highway, 2 mi. above Orange Co. line. Comment
  SD144500  Cenchrus echinatus A. C. Sanders, P. MacKay, T. Thomas, G. Helmkamp 1997-2-8 19766 Riverside Colorado Desert: Palm Springs area, Indian Ave. at I-10 Freeway, Garnet. 188 Comment
  RSA736785  Centaurea melitensis Scott D. White, Angelia Carey 2004-7-2 10552 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UCR174375  Centaurea melitensis A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32623 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
  RSA525287  Centaurea melitensis Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4600 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  UCR87868  Centaurea solstitialis J. Miller 1993-10-14 s.n. Riverside March Air Force Base, Moreno Valley. Comment
  UCR281577  Centaurium venustum Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-5-31 517- 119 Riverside Gavilan Hills, Alberhill Canyon, dirt road portion of Lake St., about 0.8 miles N of Hwy. 15 at Alberhill. 457 Comment
  CAS-BOT-BC226945  Centromadia pungens subsp. laevis A. C. Sanders; John F. Green 2012-5-27 40218 Riverside Peninsular Range; Perris-Aguanga Basin Region: Lake Elsinore, SE of Riverside Dr. (Hwy 74) on NE side of Pasadena Ave., NW of Central Ave. 386 Comment
  UC1392826  Centromadia pungens subsp. laevis R. F. Hoover 1968-6-6 11150 Riverside 1 mi e Perris Comment
  POM2210  Centrostegia thurberi H. M. Hall 1905-05 6021 Riverside Cottonwood Mountains, Colorado Desert 610 Comment
  RSA405365  Cercidium floridum Ora M. Clark 1929-2-17 1754 Riverside S La Quinta Comment
  RSA651716  Cercidium floridum Viki Cruz 1983-5-8 003 *k Riverside Collected 10 ft. from main entrance to Living Desert Reserve. Palm Desert. Comment
  RSA784724  Cercidium floridum Duncan S. Bell 2012-3-18 3212 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
  POM48331  Cercocarpus betuloides E. C. Jaeger 1925-3-1 s.n. Riverside Snow Canyon, San Jacinto Mts. 457 Comment
  RSA650397  Cercocarpus betuloides C. J. Humphrey, Herbert Humphery, E. T. Bartholomew 1936-6-7 130 Riverside In desert foothills 16 miles north of Riverside. 396 Comment
  CAS-BOT-BC135500  Cercocarpus betuloides var. betuloides Nancy Ryan Zabriskie; Walter Zabriskie 1970-5-2 289 Riverside Up canyon from turnout parking area which is 1/2 mi. up Sta. Rosa Mt. road from Hwy 74 - Santa Rosa Mountains 1371 Comment
  RSA673499  Cercocarpus minutiflorus Scott D. White, Sandra Leatherman 2000-4-19 7665 Riverside Santa Ana Mountains/Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east-and north-facing slopes. 640 Comment
  RSA776947  Chaenactis carphoclinia Amber Swanson 2011-3-19 240 Riverside W of Eagle Mtn Rd to Railroad tracks abt 5 mi N of I-10 307 Comment
  SD215392  Chaenactis carphoclinia W. Wisura, J. Dolan and M. Wall 1992-3-24 4615 Riverside 4.7 miles Northeast of Mecca on Box Canyon Road. Comment
  RSA124288  Chaenactis carphoclinia var. carphoclinia E. K. Balls, Percy C. Everett 1958-3-20 22938 Riverside south base of Eagle Mountains. US Highway 60/70. 365 Comment
  UC1546631  Chaenactis carphoclinia var. carphoclinia Barry A. Prigge 1988-2-21 7853 Riverside 2 mi w of Clemans Well; Colorado Desert, Orocopia Mountains 228 Comment
  POM351698  Chaenactis fremontii N. R. Zabriskie 1970-3-27 273 Riverside below Andreas Canyon Club clubhouse; Andreas Canyon. 305 Comment
  UCR116629  Chaenactis fremontii A. C. Sanders 2001-4-8 23973 Riverside Western Colorado Desert, Coachella Valley, Garnet, along transmission line route east of Garnet Wash 232 Comment
  JEPS34142  Chaenactis glabriuscula var. glabriuscula W. L. Jepson and H. M. Hall 1901-5-17 1246 Riverside San Jacinto town to Strawberry Valley 487 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
  RSA619539  Chaenactis glabriuscula var. glabriuscula Darin L. Banks 1997-5-5 1988 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
  UC31026  Chaenactis glabriuscula var. glabriuscula H. M. Hall 1899-5-25 1181 Riverside Van Deventer's, El Toro Region San Jacinto Mountains, El Toro Region 1402 Comment
  UC34688  Chaenactis glabriuscula var. glabriuscula Geo. F. Reinhardt 1897-6-1 Riverside San Jacinto Valley Comment
  UC31031  Chaenactis parishii H. M. Hall 1901-6-1 2128 Riverside Coyote Canyon San Jacinto Mountains, Santa Rosa Mountain, Coyote Canyon 1524 Comment
  CAS-BOT-BC284345  Chaenactis stevioides C. L. Hitchcock 1940-3-29 5853 Riverside Cottonwood Canyon ca. 100 yards east of spring Comment
  SJSU11743  Chaenactis stevioides R. C. McGehee 1970-4-15 201 Riverside Wileys Well c. 24 mi SW of Blythe, southeastern Riverside County Comment
  UCD130429  Chaenactis stevioides William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  JEPS51892  Chamaesyce albomarginata Samuel B. Parish 1891-11-6 Riverside San Jacinto Valley, San Jacinto Plains Comment
  SEINET3089924 Image available Chamaesyce pediculifera A. C. Sanders, Pitzer, Wright, Charleton, Weir, Bramlett, et al. 1986-3-9 6231 Riverside Painted Gorge, 5.1 miles N of S-80 on Painted Gorge Road, ca. 5 miles NE of Ocotillo. 152 Comment
  SEINET3089524 Image available Chamaesyce polycarpa Paul D. Wood 1970-5-19 9 -A Riverside At University of Calif. along east bank of path leading to botanical gardens. 259 Comment
  RSA432483B  Chamaesyce polycarpa var. hirtella G. R. Johnstone 1930-4-13 s.n. Riverside 1000 Palms Colorado Desert Cal. Comment
  CAS-BOT-BC70038  Cheilanthes covillei Edmund C. Jaeger 1922-4-10 s.n. Riverside Mouth of Snow Creek, Colorado Desert 304 Comment
  UCR121309  Cheilanthes covillei A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25011 Riverside The Badlands, summit of Mt. Eden, SW of Beaumont 671 Comment
  UC42541  Cheilanthes newberryi Brewer 1861-1-30 148 Riverside Temescal Range Comment
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Jan 1 2015
  UCR90965  Cheilanthes newberryi Scott D. White 1996-2-18 3809 Riverside Perris Basin, Double Butte, NW of Winchester, SE-facing slope of west butte and alluvial soil at base 490 Comment
  RSA0042110  Cheilanthes parryi Duncan S. Bell, LeRoy Gross 2014-3-6 6193 Riverside Santa Rosa Mountains; Toro Canyon on the east side of Martinez Mountain. 259 Comment
  RSA0043063  Cheilanthes parryi Duncan S. Bell, LeRoy Gross 2014-3-20 6269 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  UC1063595  Cheilanthes parryi H. S. Yates 1937-3-24 6453 Riverside Deep Canyon; Thermal Quadrangle Comment
  UC336622  Cheilanthes parryi C. C. Parry and J. G. Lemmon Apr. 1876 3 Riverside Mt San Jacinto; Colorado Desert Comment
  UC667395  Cheilanthes parryi Annie M. Alexander and Louise Kellogg 1941-5-12 2160 Riverside road to Black Eagle Mine; Colorado Desert, Eagle Mts 777 Comment
  RSA736651  Chenopodium berlandieri Justin M. Wood 2008-7-16 35 Riverside Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan property, Alberhill area. Comment
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Aug 8 2010
  UCR114542  Chenopodium berlandieri A. C. Sanders, K. C. Rose 1999-6-18 22810 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave. near Rawson Rd. 451 Comment
  JOTR35484  Chenopodium californicum La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3172 Riverside Joshua Tree National Park. Little San Bernardino Mtns, below Lower Covington Flats, W of Smithwater Canyon,(Biodiversity Hunt stop1) 1341 Comment
  JOTR32465  Chenopodium fremontii La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2610 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
  UCR113596  Chenopodium missouriense A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23683 Riverside Santa Ana River Valley, SW side of Mt. Rubidoux, NW of intersection of Tequesquite Ave. and Gregory Rd., near confluence of Arroyo Tequesquite and the river 232 Comment
  UCR148847  Chenopodium murale Chet McGaugh 2005-1-5 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 1 mi. north of the Imperial Co. line along Coachella Canal right-of-way 21 Comment
  SD234366  Chenopodium strictum Mitch Provance 2003-6-7 7607 Riverside San Bernardino Valley: Jurupa Mountains (extreme northwest end), near Philadelphia Street. 262 Comment
  SEINET12267883  Chilopsis linearis Unknown 1936-1 12874 Riverside Colorado Desert N of Palm Springs Comment
  LA204142  Chilopsis linearis subsp. arcuata Roxana S. Ferris; Ruth P. Rossbach 1938-5-16 9582 Riverside Mecca Hills 2 mi. up Painted Canyon Comment
  LA204149  Chilopsis linearis subsp. arcuata Norman C. Cooper; 1944-7-15 1548 Riverside Palm Springs 121 Comment
  SD258903  Chilopsis linearis subsp. arcuata Sarah J. De Groot 2005-5-16 4969 Riverside Along Worsley Road paralleling Highway 62 between Dillon Road and Indian Ave, Desert Hot Sprinds area, vicinity of Morongo Creek 495 Comment
  UCR172158  Chlorogalum parviflorum T. B. Salvato, Gregg Miller 2005-6-3 1376 Riverside Peninsular Range; Perris-Aguanga Basin Region, c. 3 mi SW of Perris, 1.7 mi SW of the Goetz Road crossing of the San Jacinto River and c. 0.25 mi south of Ethanac Road 436 Comment
  RSA779012  Chorizanthe brevicornu Duncan S. Bell 2010-4-1 645 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
  RSA0034932  Chorizanthe brevicornu A. Lee Haines 1974-7-8 s.n. Riverside North side of Orocopia Mts. 396 Comment
  POM8420  Chorizanthe brevicornu var. brevicornu P. A. Munz, R. D. Harwood 1920-4-14 3517 Riverside Pass near Palm Springs. 152 Comment
  RSA339657  Chorizanthe brevicornu var. brevicornu Robert F. Thorne, C. W. Tilforth 1980-5-28 54227 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. 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
  RSA674955  Chorizanthe fimbriata Scott D. White, Teresa Salvato 2001-6-8 8565 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  SDSU4926  Chorizanthe fimbriata var. fimbriata H. Wedberg 1962-5-23 933 Riverside 4.8 miles from Hwy 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
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Jan 24 2013
  UCR26535  Chorizanthe fimbriata var. fimbriata A. C. Sanders, S. Hagopian 1981-5-20 2134 Riverside Perris-Aguanga Basin, S side of Pauba Valley, within l mi of Hwy 71 bridge over the Temecula River 367 Comment
  UC1543897  Chorizanthe leptotheca Barbara Ertter with Jeffrey L. Strachan 1980-5-22 3491 Riverside e side Dripping Springs Campground (Cleveland National Forest near Highway 79 between Aguanga and Temecula n of Wild Horse Peak); Cleveland National Forest, n of Wild Horse Peak 609 Comment
  UCR176170  Chorizanthe polygonoides subsp. longispina John F. Green 2006-5-10 s.n. Riverside Peninsular Ranges, City of Murrieta; south of the Hogbacks. north of Hunter Road to Ramage Lane, between Calle de Amor on the E and Springview/Kiwebre Road on the W 402 Comment
  CAS-BOT-BC257186  Chorizanthe polygonoides var. longispina Steve Boyd 1986-5-1 1796 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow Comment
  RSA360988  Chorizanthe polygonoides var. longispina Steve Boyd 1998-4-2 1587 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs Cotuny Park. 609 Comment
  UCR120854  Chorizanthe polygonoides var. longispina D. E. Bramlet 1993-4-13 2321 Riverside 518 m north of Cajalco Road at a point 976 m east of its intersection with La Sierra Ave., 244 m north of dirt access road 439 Comment
  UCR139194  Chorizanthe polygonoides var. longispina Virginia Moran 2003-4-23 s.n. Riverside Peninsular Range, Warm Springs Preserve (managed by Center for Natural Lands Management), approximately 8 km north of Temecula and 3 km northeast of the [west?] end of Hunter Road 390 Comment
  UCR213548  Chorizanthe procumbens Michael Honer 2003-7-15 1844 Riverside Peninsular Range; Santa Ana Mtns., Rainbow area, just north of the San Diego Co. boundary and west of the I-15 Freeway 518 Comment
  UCR75099  Chorizanthe rigida A. C. Sanders, E. J. Lawlor 1992-4-4 12088 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  RSA586721  Chorizanthe staticoides D. L. Banks, S. D. Boyd 1995-5-17 0444 A Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area; along the Dripping Springs Trail. 671 Comment
  UCR199924  Chorizanthe staticoides Scott D. White, Justin Wood 2008-4-16 11886 Riverside Perris/Elsinore Basin, hills to the west of I-215 and south of Scott Rd. 549 Comment
  UCR209584  Chorizanthe xanti subsp. leucotheca Robert J. Steers, Matt Willis, Jodi Ross 2009-6-3 s.n. Riverside San Gorgonio Pass, near the town of Cabazon, between Pipeline Rd. and San Gorgonio River, south of I-10 and 0.46 mi. west of Agnes Ave. crossing of Blanche Ave. 552 Comment
  POM229445  Chorizanthe xanti var. leucotheca P. A. Munz 1937-5-29 s.n. Riverside Palms to Pines Hwy, north slope of Santa Rosa Moutains. 1067 Comment
  CLARK-A1528-1771  Chrysopsis villosa John C. Roos 1965-8-18 Riverside San Jacinto Mountains Comment
  POM45651  Chrysothamnus paniculatus J. B. Feudge 1923-11-12 467 Riverside White Water, Colorado Desert 366 Comment
  RSA696806  Chrysothamnus paniculatus J. Russell Bruff 1927-11-24 8 Riverside Whitewater. Comment
  UCR269867  Chylismia brevipes A. C. Sanders, Jim Malusa 2016-3-18 42365 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  SFV16005  Chylismia claviformis D. C. Joyner, K. M. Joyner 1994-4-30 19 Riverside Mojave Desert Palm Springs. Abandoned lot near 1260 South Palm Canyon Road. 135 Comment
  CAS-BOT-BC160588  Chylismia claviformis subsp. aurantiaca Carl B. Wolf 1932-4-29 3109 Riverside Eastern Colorado Desert. Blythe - Rice Road. 9 mi. So. of Browns Well 243 Comment
  SD44540  Chylismia claviformis subsp. aurantiaca J. B. Marks Jul 1948 Riverside Roadside above Banning. 1067 Comment
  UC1122176  Chylismia claviformis subsp. aurantiaca H. S. Yates 1936-4-7 5441 Riverside 2 1/2 mi s Willis Palms; Thermal Quadrangle 243 Comment
  RSA759591  Cirsium occidentale R. Weatherby 1950-5-18 1385 Riverside Hagador Canyon. Santa Ana Mtns. 701 Comment
  CAS-BOT-BC289646  Cirsium occidentale var. californicum H. M. Hall 1901-6-1 2286 Riverside Vicintiy of Chalk Hill, San Jacinto Mountains 1584 Comment
  UCR23305  Cirsium occidentale var. occidentale John C. Roos 1952-4-13 5523 Riverside Box Springs Mountains 488 Comment
  CAS-BOT-BC286457  Cirsium scariosum Scott D. White 1997-5-18 5164 Riverside San Jacinto Mts. Vista Grande Area: Just W of USFS Vista Grande Fire Station (i.e., Hwy 243 ca. 10 road miles SE of Banning) 1500 Comment
  POM294587  Cirsium scariosum Thomas S. Bell 1945-5-15 s.n. Riverside Tripp Flats back of Hemet, near Old Adobe, near Anza Comment
  RSA741377  Cirsium scariosum Scott D. White, Justin M. Wood 2008-5-15 11975 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. 1357 Comment
  SD187343  Cirsium vulgare Scott D. White, Angelia Carey 2004-5-7 10337 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 548 Comment
  POM48733  Cistanthe monandra P. A. Munz, I. M. Johnston 1924-7-29 8825 Riverside 5 miles SE of Poppet Flat, San Jacinto Mtns. 1372 Comment
  POM775  Cistanthe monandra I. M. Johnston 1917-4-4 s.n. Riverside Near Palm Springs. Comment
  RSA772019  Cistanthe monandra Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4951 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  RSA466623  Cistanthe monandra M. B. Dunkle 1949-9-22 4934 Riverside Colorado Desert. Comment
  SD140044  Clarkia purpurea Scott White 1993-4-22 1252 Riverside North Alberhill Ranch, in hills North of Walker Canyon. Comment
  POM122440  Clarkia purpurea subsp. quadrivulnera Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  RSA726825  Clarkia purpurea subsp. quadrivulnera Steve Boyd, Aydee Virgen 2004-4-13 10875 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UCR213694  Clarkia rhomboidea Justin M. Wood, Brandy Wood 2009-6-13 886 Riverside San Jacinto Mountains, Idyllwild County Park, Lily Creek and adjacent slope to west of campground 1616 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
  UCR213902  Claytonia parviflora Scott D. White, Justin M. Wood 2009-5-22 12905 Riverside San Jacinto Mountains, Idyllwild area, 'Strawberry Fuelbreak' between Strawberry Creek and road to sewage ponds 1456 Comment
  UCR59680  Claytonia parviflora subsp. viridis Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 2975 Riverside Peninsular Range, Vail Lake area, Temecula Creek Cyn below Vail Lake dam 418 Comment
  UCR70285  Claytonia parviflora subsp. viridis Steve Boyd, T. S. Ross, L. Arnseth 1990-3-30 3943 Riverside Peninsular Range, Vail Lake area, summit of 'Big' Oak Mtn, north of the lake, Saddle between summits, N slope along road heading N to Black Hills 793 Comment
  UCR91605  Clematis lasiantha D. L. Banks, Steve Boyd 1995-3-15 0069 Riverside Peninsular Range, NW Palomar Mtns., Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area 762 Comment
  UCD169470  Clematis pauciflora Scott D. White 1995-4-5 2735 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Street at ' T ' intersection with Central, in town of Nuevo. 487 Comment
  RSA23235  Cleome isomeris Ernest Braunton 1940-4-3 2025 Riverside Berdoo Canyon, 10 mi. E. of Indio. 304 Comment
  CDA7438  Cnicus benedictus K. E. Hoffmaster 1958-5-13 383 -58 Riverside Indio Area. 0 Comment
  RSA618415  Cnicus benedictus D. L. Banks 1997-5-5 1961 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, approximately 60 m east of its intersection with Pechanga Creek 396 Comment
  LA207901  Coleogyne ramosissima Roxana S. Ferris; Ruth P. Rossbach 1938-5-14 sn Riverside The Windmill on Old Woman Well, 79 Palms Road Comment
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Mar 2 2014
  JOTR30263  Colubrina californica Leary, Pat 1987-5-21 3833 Riverside McCoy Spring, McCoy Mountains, T5S R20E sec17 (unsurveyed), [UTMs estimated, January 2010] Comment
  RSA774480  Colubrina californica Carolyn Martus, Joseph Betzler, Caesara Brungraber, Lance Woolley 2008-4-23 1217 Riverside NW of the Blythe airport and in the washes eas of the McCoy mountains. Comment
  UCR37033  Commelina erecta Steve Morgan 1984-7-17 s.n. Riverside U.C. Riverside Botanic Garden, beside the road below the office. 366 Comment
  CDA35599  Condalia globosa var. pubescens Robert Cowell 1959-5-4 Riverside North of Bradshaw Stage Road, ca. 3/4 mile east of the Imperial Gas Line road, between Chocolate and Chuckwalla Mtns. 0 Comment
  SBBG9375  Condea emoryi H. and M. Dearing 1936-12-26 1576 Riverside Palms to Pines Hwy Comment
  UCR48505  Conium maculatum Steve Boyd 1986-4-22 1727 Riverside Temescal Canyon, Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mountain and Gavilan Hills 427 Comment
  UCR125205  Convolvulus arvensis Mitch Provance 1998-5-27 544 Riverside City of Riverside, Hillside area, along railroad tracks on the NW corner of Dewey St. and Streeter Ave. 238 Comment
  RSA496374  Convolvulus simulans Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-19 3049 Riverside Vail Lake area, 0.75 mile NW of dam. 622 Comment
  UCR52577  Convolvulus simulans S. J. Myers 1988-6-4 s.n. Riverside Rancho California area, east of Winchester Road, between Auld Road & Borel Road 396 Comment
  RSA554286  Conyza bonariensis Scott D. White 1992-2-25 92 -10 Riverside Santa Rosa Plateau, between Sandia and De Luz Creeks, ca. 1.5 (air) mi. W of Sandia Canyon; 7 miles SW of Murrieta. 305 Comment
  RSA761163  Corallorhiza maculata Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade, et al. 2010-8-14 696 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  JEPS6759  Cordylanthus nevinii W. L. Jepson 1903-8-9 2323 Riverside near summit (forks of trail); San Jacinto Peak Comment
  UCR95961  Cordylanthus rigidus Scott D. White 1996-8-1 4419 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  JEPS60187  Cordylanthus rigidus subsp. setiger L. R. Heckard 1969-4-24 2168 Riverside just n of Sage 731 Comment
  RSA0010992  Cordylanthus rigidus subsp. setiger A. C. Sanders, E. J. Lawlor 1988-10-22 8728 Riverside Pinyon Flats area, Santa Rosa Mountains, along the trail from Dolomite Mine to Horsethief Creek. 1200 Comment
  RSA0010999  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Jeff Morawetz, Kathleen Ashbaker 2010-6-28 1430 Riverside San Bernardino National Forest: Garner Valley, in the vicinity of Tool Box Spring trailhead, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1388 Comment
  POM356008  Coreopsis californica M. B. Dunkle 1935-3-30 4420 Riverside Pinto Basin, Colorado Desert. 915 Comment
  UC729611  Coreopsis californica var. californica J. T. Howell 1929-2-14 1232 Riverside 2 mi s Glen Ivy; Temescal Canyon Comment
  CAS-BOT-BC101305  Corethrogyne filaginifolia John Thomas Howell 1927-8-2 2917 Riverside Idyllwild, Strawberry Valley, Mt. San Jacinto 1676 Comment
  UC1007167  Corethrogyne filaginifolia Philip A. Munz 1938-8-14 15383 Riverside ridge e Toro Peak (Santa Rosa Mts.); Santa Rosa Mts. 2438 Comment
  UC21516  Cornus nuttallii H. M. Hall June, 1901 2245 Riverside in canyons of w. side San Jacinto Mts. (Dark Canyon); , Dark Canyon 1828 Comment
  POM278518  Coryphantha alversonii H. G. Rush 1950-5-6 117 Riverside 2.5 miles from Cottonwood springs on road out to Hwy 60-70. 579 Comment
  SD181709  Cotula australis Scott D. White 1999-5-2 7286 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
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Oct 28 2016
  UCR104887  Cotula australis A. C. Sanders 1997-3-19 20015 Riverside Lake Skinner area, Lower Rawson Canyon at 3-way road junction (heron rookery site) c. 1 km NE of the lake 457 Comment
  UCR98703  Cotula australis S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  RSA736242  Cotula coronopifolia Scott D. White, Jonathan Campbell 2008-4-18 11896 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan Property, Alberhill area. 274 Comment
  RSA757466  Crassula aquatica R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55210 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road. 730 Comment
  UCR207611  Cressa truxillensis O. F. Clarke 2004-5-7 s.n. Riverside Peninsular Range; San Jacinto Valley, San Jacinto Wildlife Area 442 Comment
  RSA0104697  Crossosoma bigelovii Duncan S. Bell, Rachel Darney-Lane, Evan Meyer 2015-2-25 7758 Riverside Santa Rosa Mountains; in Agua Alta Canyon to the north of Martinez Canyon, approximately 5.5 air miles southeast of the summit of Martinez Mountain. 440 Comment
  RSA771029  Crossosoma bigelovii Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4536 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  HSC66471  Croton californicus Christopher Davidson, A. P. Romspert, H. Surprenant 1979-4-29 7818 Riverside W of Indio, 3 mi. E of Date Palm Dr. 15 Comment
  RSA33619  Croton californicus N. C. Cooper 1944-7-15 1546 Riverside Banning. 701 Comment
  RSA757623  Croton californicus LeRoy Gross, Jackie McConnaughy, Andrew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4335 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  SFV2072  Croton californicus M. L. Vincent, R. H. Swade 1963-10-19 465 Riverside Snow Creek Road, 2 miles from its intersection with California State Highway 111. 366 Comment
  UCR134614  Croton californicus Marisa Sripracha, Kyle Boyd 2004-2-14 005 Riverside Sonoran (Colorado) Desert, Snow Creek, 25 m from Snow Creek Road, 0.7 km south of Hwy 111 352 Comment
  RSA480581  Croton californicus var. mohavensis H. de Forest 1932-8-27 s.n. Riverside Beaumont-Banning Pass Comment
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Dec 4 2011
  CDA20028  Crypsis schoenoides D. Domenigoni 2002-8-3 PDR P 170159 Riverside West Coast Turf on Hwy 79, Winchester. 0 Comment
  RSA0124008  Cryptantha Duncan S. Bell, Thomas Stoughton 2016-4-13 9243 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; on the western slopes of Martinez Mountain. 1548 Comment
  JEPS67466  Cryptantha angustifolia W. L. Jepson 1914-5-18 6026 Riverside n of Indio (County Well in Pinyon Well Mts., Conchilla Mts.); Colorado Desert, Conchilla Mts., Pinyon Well Mts. 304 Comment
  JOTR28787  Cryptantha angustifolia La Doux, Tasha 2005-3-30 1056 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  JOTR33802  Cryptantha angustifolia La Doux, Tasha, B. Truesdell 2007-11-9 3300 Riverside Joshua Tree National Park. Pinto Basin; Fried Liver Wash, along Route 11 where the wash crosses the road (STOP1) 532 Comment
  POM12152  Cryptantha angustifolia Mary F. Spencer 1920-3-10 1512 Riverside In desert sandy, Mecca, colorado Desert. -60 Comment
  POM368198  Cryptantha angustifolia D. A. Young 1969-3-28 342 Riverside At end of Hayfield Rd., S of Interstate Hiway 10. 305 Comment
  RSA719046  Cryptantha angustifolia Michael Honer 2005-3-11 2054 Riverside Rice Valley; 4.5 mi. SSE of Rice; 1.5 mi. E of ATSF railway. 220 Comment
  UCD80957  Cryptantha angustifolia Chuck Hughes 2009-3-23 58 Riverside South of Highway 62 near the abandoned Desert Center Airport. Near city of Rice. 219 Comment
  UCR108712  Cryptantha angustifolia Scott D. White, Pam DeVries 1998-2-9 6082 Riverside Coachella Valley, La Quinta/Palm Desert Area: Whitewater River Channel at & near Miles Ave. crossing 30 Comment
  CLARK-A1045-221  Cryptantha barbigera George K. Helmkamp 1979-4-18 Riverside Little San Bernardino Mountains 3.5 miles north of Dillon Road; dry wash; Lost Horse Mtn. 15'Q Comment
  RSA0047252  Cryptantha barbigera J. Mark Porter, Leigh A. Johnson 1997-3-10 11465 Riverside Whitewater Canyon, ca. 1 mi. N of Whitewater (along Interstate 10). 474 Comment
  UCR18172  Cryptantha barbigera A. C. Sanders 1978-4-2 00188 Riverside Coachella Valley, Hidden Valley, near the mouth of Deep Canyon 183 Comment
  RSA781913  Cryptantha barbigera var. barbigera Duncan S. Bell 2010-5-1 896 B Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  SDSU18686  Cryptantha barbigera var. barbigera Kristen Hasenstab, M. G. Simpson 2008-4-1 51 Riverside Joshua Tree National Park. 500 ft from Cottonwood Springs campground. 928 Comment
  UCR84889  Cryptantha circumscissa A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16131 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  UCR132647  Cryptantha corollata D. C. Hawks 1988-4-2 s.n. Riverside Peninsular Range, Tule Creek drainage, 1.75 mi. (airline) NE of Aguanga, SE of intersection of Dove Dr. and Sycamore Falls, south of Hwy 371, between Aguanga and Anza 945 Comment
  UCR183172  Cryptantha corollata Mitch Provance 2003-5-5 4417 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  GMDRC3552  Cryptantha costata J. Andre, T. La Doux 2009-2-25 10818 Riverside Palen Dry Lake: Palen Dry Lake: SE margin of the playa, approx 40 mi. W. of Blythe, 6 mi. N. of I-10, E. of Desert Center. USGS 7.5 min. Quad: Sidewinder Well 33 deg. 42.637' N 115 deg. 12.163' W. Elev. 423 ft. 129 Comment
  GMDRC3553  Cryptantha dumetorum J. Andre, T. La Doux 2009-2-25 10822 Riverside Palen Dry Lake: Palen Dry Lake: SE margin of the playa, approx 40 mi. W. of Blythe, 6 mi. N. of I-10, E. of Desert Center. USGS 7.5 min. Quad: Sidewinder Well 33 deg. 42.637' N 115 deg. 12.163' W. Elev. 423 ft. 129 Comment
  RSA710002  Cryptantha holoptera Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4593 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  POM368275  Cryptantha intermedia Ora M. Clark 1929-2-23 1547 Riverside Near Banning. Comment
  RSA284584  Cryptantha intermedia C. W. Tilforth, B. Busenberg 1980-6-17 1999 Riverside 0.1 mi. in from Highway 74 along north leg of Thomas Mountain Road, south of Lake Hemet. Comment
  RSA659685  Cryptantha intermedia J. C. Roos 1947-3-21 3366 Riverside Plateau, Reche Canyon Comment
  RSA715938  Cryptantha intermedia Scott D. White, Angelia Carey 2004-4-5 10019 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  SBBG101725  Cryptantha intermedia S. Boyd, T. Ross, M. Hammitt 1991-5-2 60072 Riverside SW and W flanks of Billy Goat Mtn, 3 mi N of Hwy 79, 1 mi W of Hwy 371, N of Aguanga 600 Comment
  UCR112957  Cryptantha intermedia B. G. Pitzer 1998-3-1 3546 Riverside Lakeview Mtns, Maze Stone county historical marker & picnic area, E side of mtns, on W side of Reinhardt Canyon 610 Comment
  SDSU21781  Cryptantha juniperensis Mitch Provance 6532 Riverside San Bernardino Valley: Rialto, Colton Dune System, N side of Slover Ave. between Pepper Ave. and the tank farm (ca. 0.5 mi. W of Pepper Ave.) 320 Comment
  JOTR36469  Cryptantha maritima La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3438 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; ridge top with steep, loose, rocky metamorphic siltstone slopes below (above Russi Rocks guzzler) (Stop 3) 538 Comment
  OBI38912  Cryptantha maritima A. C. Sanders, B. Pitzer & D. Charlton, & Kniffen, D. Charlton, & Kniffen 1986-3-3 6121 Riverside Corn Spring, Chuckwalla Mts, wash below the spring and wash and rocky slopes to the south (T6S, R16E, sec 28-projected) 488 Comment
  RSA0128989  Cryptantha maritima J. Mark Porter, Valerie Soza, G. Wallace 2001-4-2 12331 Riverside Coachella Valley, along Big Morongo Wash, N of Indian Avenue, ca. 1.5 mi ESE jtn. with Hwy 62. 472 Comment
  RSA774928  Cryptantha maritima Duncan S. Bell 2011-4-7 2164 Riverside On the east side of the Arica mountains; approximately 2 miles northwest of Priests Well, or approximately 5.2 air miles southwest of the ghost town of Rice. 357 Comment
  RSA517814  Cryptantha micrantha Steve Boyd, Orlando Mistretta 1986-3-13 1429 Riverside Palen Mountains; NE of Desert Center, jct. of Parker Dam Rd. and Palen Rd. (road going through pas between Palen and Granite Ranges). 244 Comment
  UC573124  Cryptantha micrantha Margaret Stason 1927-3-12 Riverside Painted Canyon Colorado Desert Comment
  SD39201  Cryptantha micrantha var. lepida Edith A. Purer 1935-4-21 6443 Riverside Pine Valley, Pines to Palms Highway Comment
  SD185169  Cryptantha micromeres A. C. Sanders, Seung-Chul Kim 2005-5-7 30005 Riverside Agua Tibia Mountains: UC Emerson Oaks Reserve, ca. 8.0 miles southeast of Temecula, south of Highway 79 at east end of Pauba Valley, end of Los Caballos Road in vicinity of water tank. 456 Comment
  IRVC26262  Cryptantha microstachys A. C. Sanders, D. Malueg 2003-5-8 26572 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
  RSA586298B  Cryptantha microstachys D. L. Banks, S. D. Boyd 1995-5-3 0209 B 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. 500 Comment
  RSA594773A  Cryptantha microstachys D. L. Banks, Dylan Hannon 1996-5-3 0967 A Riverside Agua Tibia Mountains; Foothills S of Hwy. 79, E of the Dripping Spring Campground, approximately 150 m SE of the Helipad at the upper camp sites., 33 deg 27' 46''N, 116 deg 57' 56'' W 524 Comment
  RSA655219  Cryptantha microstachys Scott D. White 1999-6-6 7442 Riverside Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds at terminus of USFS Road 5S24.2. 1432 Comment
  RSA0079248  Cryptantha muricata var. jonesii Steve Boyd, Orlando Mistretta 1991-5-22 6295 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  SBBG118507  Cryptantha muricata var. muricata S. C. White 1999-5-24 7397 Riverside San Jacinto River Wash; just N of City of San Jacinto, ca. 1 mi SE of State St Bridge 460 Comment
  RSA778236  Cryptantha nevadensis Duncan S. Bell 2009-3-8 41 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  UC1601965  Cryptantha pterocarya var. purpusii H. M. Hall May 1899 1161 Riverside between San Jacinto Mt. and El Toro Mt. (at Van Deventer's Ranch); San Jacinto Mountains 1371 Comment
  JOTR30329  Cryptantha racemosa La Doux, Tasha, E. Babich, J. Galvin, B. Truesdell, N. Fraga, A. Miller, J. Van Warmerdam 2008-2-4 1772 Riverside Joshua Tree National Park. Stop #2: Hexie Mtns./Porcupine Wash. Deep canyon with sandy bottom and rocky steep slopes. 778 Comment
  SBBG6272  Cryptantha racemosa H. and M. Dearing 1942-3-10 4826 Riverside Dos Palmas Cyn, near Palms to Pines Hwy Comment
  SEINET186302  Cryptantha racemosa Philip A. Munz 1940-3-24 15693 Riverside 3 miles south of Cottonwood Springs Eagle Mts. 457 Comment
  UC857250  Cryptantha racemosa Lewis S. Rose 1938-12-22 38338 Riverside 12 mi sw Cathedral City (Palms to Pines Highway); San Jacinto Mts. 457 Comment
  UCR25968  Cryptantha racemosa John C. Roos 1948-5-1 3815 Riverside Western Colorado Desert/ San Bernardino Mtns., Whitewater, N slope on a mountainside 549 Comment
  RSA699862  Cryptantha utahensis J. R. Bruff 1928-4-2 s.n. Riverside Canyon wash 1 mile west of Morengo. Comment
  RSA771788  Cryptantha utahensis Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4765 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 W116.65120 604 Comment
  UCR16097  Cryptantha utahensis Loretta Bates 1978-4-15 s.n. Riverside Sonoran (Colorado) Desert, Box Canyon Road, 1 mi. north of Painted Canyon Road and 5 mi. north of Mecca. Comment
  MACF019760  Cupressus arizonica var. glabra Trudy R. Ericson 1975-10-5 414 Riverside Hurkey Creek Campground 1371 Comment
  HSC6392  Cuscuta californica C. L. Hitchcock, C. V. Muhlick 1964-3-17 23076 Riverside 8 mi. SE of Corona, along road to Elsinore Comment
  SD126648  Cuscuta californica var. papillosa J. C. Roos 1946-12-7 3184 Riverside Pushawalla Wash Comment
  UCR92718  Cuscuta pentagona A. C. Sanders, S. Ogg 1994-7-28 15174 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  SD248374  Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2013-4-15 17727 Riverside Desert Cemter 7.5'Q USGS quad. Chuckwalla Moutains, just south of Corn Springs Wash, 250 m east of its confluence with Irish Wash, 500m NW of Azted Well, 74KM west of Blythe. 641 Comment
  SEINET5624461 Image available Cylindropuntia chuckwallensis Marc A. Baker 2013-3-20 17720 .3 Riverside 800m south of Smoke Tree Wash, 5.5 km north of Cottonwood Spring, 40 km NE of Indio 945 Comment
  UCR249652  Cylindropuntia munzii A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40509 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south of the Chuckwalla Mtns., along Bradshaw Trail 1 km SE of Augustine Rd. junction, large wash on SW side of road 695 Comment
  RSA660929  Cymbalaria muralis A. C. Sanders 1998-4-12 21751 Riverside yard of residence at 5081 Magnolia Ave, corner of Chapman Pl. 256 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
  SDSU13535  Cynodon dactylon W. Miller with C. Mosse 1972-7-11 Riverside Dam. Comment
  CAS-BOT-BC114719  Cyperus difformis Beecher Crampton 2000-6-24 2059 Riverside Riverside: Santa Ana River Wash, between the Market St bridge and the 60 Fwy. 224 Comment
  UCR113865  Cyperus difformis Mitch Provance 2000-6-24 2059 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  CLARK-A1528-2  Cyperus eragrostis Fred B. Essig 1966-9-12 Riverside Riverside Comment
  RSA522102  Cyperus eragrostis Steve Boyd, Timothy S. Ross 1989-8-28 3795 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  UCR271689  Cyperus eragrostis Mitch Provance 2011-7-4 17182 Riverside San Bernardino Valley, Northwestern base of the Jurupa Mountains, adjacent to S side of Fontana (technically in an unincorporated part Riverside Co.), retention basin on S side of Philadelphia St., just E of Country Village Rd. 262 Comment
  POM12143  Cyperus odoratus Mary F. Spencer 1688 Riverside Soboba Hot Springs, San Jacinto. 579 Comment
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Mar 30 2013
  RSA559351  Cyperus squarrosus Steve Boyd, Timothy S. Ross 1992-5-15 7391 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 671 Comment
  CLARK-A1703-1200  Dalea emoryi Charlotte Stocks 1962-6-25 Riverside Indio Comment
  HSC47600  Dalea mollis Richard Spjut 1975-5-10 5035 Riverside N face of Chuckawalla Mts., 2.7 mi. S of Desert Center. 335 Comment
  JEPS41648  Dalea mollis H. M. Hall Apr. 1905 5932 Riverside McCoy Wash Colorado Desert, McCoy Wash Comment
  RSA0030698  Dalea mollis Jim Andre 2013-3-27 24799 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). 242 Comment
  RSA404183  Dalea mollis L. H. Jones 1910-3-18 s.n Riverside Riverside Mountain, near the Colorado River. Comment
  SEINET5327086  Dalea mollis H. M. Hall 1905-1 5792 Riverside Colorado Desert; 9 mi W of Coachella 30 Comment
  RSA778248  Dalea mollissima Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 934 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  SEINET10452148  Dalea mollissima David B. Dunn 1946-3-16 Dunn 2024 Riverside Collected on dry plateau 1/2 mi ne of pushawalla palms. Indio hills. Sparse Desrt scrub of larrea and franseria, with palms at the springs in the canyon. Comment
  CLARK-A1528-471  Dalea schottii Charlotte Stocks 1966-5-3 Riverside Thousand Palms canyon Comment
  SEINET10486083  Dalea schottii A. Evans 1976-4-13 Evans 5158 Riverside Desert canyons of santa rosa mtns. Comment
  CAS-BOT-BC283043  Dasyochloa pulchella John Thomas Howell 1928-1-30 3310 Riverside 2 miles e. of Shaver's Well, Colorado Desert Comment
  UCSB18912  Dasyochloa pulchella Keefe, Joseph 1965-5-18 Riverside Pinyon Flats Campground S of Palm Desert on Palms to Pine Highway 1432 Comment
  SEINET6421148 Image available Datisca glomerata Victor Duran 1933-1 3494 Riverside Near Santa Rosa, Santa Rosa Mountains 1829 Comment
  UCR199562  Datisca glomerata Scott D. White 2004-4-26 10268 Riverside San Jacinto Mountain Foothills, Soboba Indian Reservation, Indian Creek Watershed 671 Comment
  POM292766  Datura discolor Lyman D. Benson, Robert Benson 1952-4-8 14859 Riverside Colorado Desert. 2 miles west of Shaver Summit, east of Indio, US 66. Colorado Desert Drainage Area. 610 Comment
  SD122191  Datura wrightii James C. Dice, T. Chung 1987-10-19 741 Riverside Southwestern Riverside County, ca. 3.2 km southwest of downtown Temecula, along edge of Via Tornado Road, ca. 0.6 km N of entrance to Santa Margarita Ecological Reserve 365 Comment
  UC884535  Datura wrightii I. W. Clokey 1935-4-17 6876 Riverside Shafer Wells Comment
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Apr 24 2011
  UCSB8594  Datura wrightii Hawkins, L. 1956-4-14 Riverside south of Joshua Tree National Monument on Route 60 Comment
  UCR171908  Daucus pusillus John F. Green 2006-4-27 s.n. Riverside Peninsular Ranges, Temecula, plot centered on San Diego Aqueduct corridor between Nicolas Road and Via Norte 381 Comment
  UCR233581  Daucus pusillus A. C. Sanders, John F. Green 2012-4-12 40041 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, c. 370 m NW of El Hermano Rd. 312 Comment
  CAS-BOT-BC293816  Deinandra fasciculata A. C. Sanders 2004-5-11 27855 Riverside Elsinore Basin Region: Alberhill Mountain, lower south-facing slopes southeast of the clay mining area 450 Comment
  UC63228  Deinandra fasciculata H. M. Hall May 17 1901-Jun 1 1901 1975 Riverside near Elsinore 365 Comment
  CAS-BOT-BC294109  Deinandra kelloggii G. R. Ballmer 1992-6-23 92 -8 Riverside San Timoteo Canyon Road, .8 mi. E of junction with Redlands Blvd. Comment
  RSA674656  Deinandra mohavensis Scott D. White 2000-8-22 8120 Riverside Gibbel Flat in the Santa Rosa Hills. 610 Comment
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Dec 16 2012
  UCSB2018  Delphinium parishii subsp. parishii Hawkins, L. 1956-4-14 Riverside on high side above White Water Canyon Comment
  UCR174549  Delphinium parryi Jennifer H. Jones 2006-6-6 401 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; lower ele. part of San Juan Loop Trail, N of Upper San Juan Campground 518 Comment
  RSA586328  Delphinium parryi subsp. parryi D. L. Banks, S. D. Boyd 1995-5-3 193 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA398680  Delphinium parryi subsp. purpureum N. C. Cooper 1944-4-22 1105 Riverside Banning. 701 Comment
  UC488915  Delphinium patens subsp. montanum C. V. Meyer June 1927 190 Riverside Saunder's Meadow San Jacinto Mts. 1615 Comment
  RSA757622  Dendromecon rigida LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4336 Riverside 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
  SEINET3208900  Dendromecon rigida G. Goodwin 2012-6-14 3456 Riverside San Jacinto Mountains, at vista south of Idyllwild adjacent to highway 243 1650 Comment
  UCR174615  Dendromecon rigida Jennifer H. Jones, Thi (Teresa) Bui and Holly Summers 2006-5-31 344 Riverside Peninsular Ranges; San Jacinto Mtns., just down Mt. Edna Road west off of Calif. Hwy 243 1146 Comment
  POM122684  Dendromecon rigida subsp. rigida Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  SD237265  Deschampsia danthonioides D. E. Bramlet 1991-5-7 2120 Riverside Peninsular Range; Perris-Aguanga Basin Region: San Jacinto Valley, 8.2 km SW of Hemet, just NE of jct. of California Ave & Marvin Hull Road, c. 50-150 m north of the AR&SF railroad tracks & 300 m west of MWD canal. Comment
  UCR162946  Deschampsia danthonioides Fred M. Roberts 1996-3-27 4962 Riverside Perris Basin, Skunk Hollow, just N of Temecula, c. 3.4 km ENE jct SR 79 and Murrieta Hot Springs Rd, near S end of basin 407 Comment
  CAS-BOT-BC43357  Descurainia pinnata subsp. glabra Ynez Whilton Winblad 1937-2-2 s.n. Riverside Coachella Valley. Comment
  JOTR37758  Descurainia pinnata subsp. glabra Hodges, Stephen R. 2016-2-29 714 Riverside Joshua Tree National Park. Pleasant Valley, off of Geotour Road near the Pushwalla Canyon trailhead Comment
  POM91010  Descurainia pinnata subsp. glabra E. C. Jaeger 1925-12-18 s.n. Riverside Eagle Canon, 5 miles east of Palm Springs. 122 Comment
  UCR127555  Dichelostemma capitatum A. C. Sanders, T. B. Salvato 2003-5-21 26797 Riverside Elsinore Valley, Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  UCR260839  Dichelostemma capitatum A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41514 Riverside San Gorgonio Pass, c. 1.5 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope between the water bottling plant and I-10 and west along dirt track, near Elm St. 498 Comment
  RSA512761  Dichelostemma capitatum subsp. capitatum Walter Wisura, Bart O Brien, Durant 1990-6-12 4442 Riverside Ortega Highway 2.8 miles from T-junction S of Lake Elsinor, in burned area. Comment
  UC1787306  Dieteria asteroides var. asteroides A. C. Sanders, S. White, C. L. Sanders 1994-12-18 15897 Riverside San Jacinto River Valley: eastern edge of San Jacinto, Mountain Ave. at Esplanade Ave., 2.4 mi. NW of Hwy 74 on Mountain Ave. 495 Comment
  SD129179  Dinebra panicea var. brachiata G. Helmkamp 1989-9-16 Riverside Ca. I(c) mi. S of Hwy I-8 W of Blythe, in disturbed soil beside alfalfa field at Seely Road and state hwy 78. 74 Comment
  CAS-BOT-BC150927  Diplacus bigelovii var. bigelovii Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9546 Riverside Cottonwood Springs Canyon Comment
  SEINET188363 Image available Diplacus bigelovii var. bigelovii C. L. Hitchcock 1940-1 5857 Riverside Cottonwood Canyon, ca 100 yards E of Spring Comment
  RSA0019286  Diplacus brevipes N. C. Cooper 1944-6-16 2005 Riverside San Jacinto Mountains, west side. 1372 Comment
  CAS-BOT-BC152268  Diplacus clevelandii John Thomas Howell 1931-5-30 6604 Riverside Santiago Peak Trail, Santa Ana Mts. 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
  RSA421625  Ditaxis californica Robert Gustafson 1980-4-3 1523 Riverside Orocopia Mountains, about 6 miles east of Mecca along Box Canyon Road, south of the road 305 Comment
  RSA600221  Ditaxis lanceolata L. C. Wheeler 1959-12-27 7644 Riverside Chuckwalla Mountains. White Cloud Mine. Comment
  RSA677302  Ditaxis lanceolata P. A. Munz, D. D. Keck 1922-4-13 4945 Riverside Eagle Mountains. 244 Comment
  UCD142874  Ditaxis lanceolata James Henrickson 1963-3-29 1215 Riverside 12 miles West of Desert Center, near Eagle Mt. 533 Comment
  UCR75052  Ditaxis lanceolata A. C. Sanders, E. J. Lawlor 1992-4-4 12108 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 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
  UCR163735  Ditaxis neomexicana B. G. Pitzer 2000-11-4 4239 Riverside Sonoran (Colorado) Desert, north side of the Chuckwalla Mtns., Eagle Mountain Rd. 0.8 mi. south of Hwy I-10 at and around powerline road, c. 3.5 mi. WSW of Desert Center 402 Comment
  CAS-BOT-BC43633  Dithyrea californica L. R. Abrams 1926-3-26 11088 Riverside Indian Wells to Indio. Comment
  RSA66547  Dithyrea californica F. W. Peirson 1914-04 1918 Riverside Whitewater at head of Coachella Valley. Comment
  UC68559  Dithyrea californica H. M. Hall 1905-4-15 5772 Riverside Indian Well Colorado Desert Comment
  UCR244731  Dithyrea californica Jim Andre 2012-3-19 21349 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177, 8.6 mi. NE of junction with I-10 152 Comment
  UCR33814  Dithyrea californica Faulkner 1978-3-20 331 Riverside Sonoran (Colorado) Desert, near Big Maria Mtns., 1 mi west of Colorado River. 152 Comment
  SBBG62189  Dodecahema leptoceras unknown -May-1901 Riverside Elsinore Comment
  POM305364  Dodecatheon clevelandii Henry J. Ramsey, Henry J. Ramsey 1938-3-26 654 Riverside Between Corona and Elsinore. Comment
  UC1929719  Dodecatheon clevelandii Scott D. White 2003-3-21 8809 Riverside SANTA ANA MOUNTAIN FOOTHILLS: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. Comment
  POM19641  Dodecatheon redolens Mary F. Spencer 1923-6-29 s.n. Riverside Round Valley 2439 Comment
  CLARK-A1045-151  Downingia concolor subsp. brevior George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains beside road; vernal pool near origin of creek; Wildomar 7.5'Q Comment
  UC489272  Draba corrugata var. saxosa C. V. Meyer 1928-7-27 549 Riverside San Jacinto Peak 3291 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
  RSA33532  Drymocallis glandulosa N. C. Cooper 1944-6-17 1377 Riverside Above Banning. 1067 Comment
  IRVC143  Dryopteris arguta R. H. Whittaker, W. A. Niering 1963-5-27 SJ 6 Riverside Hemet Hwy, between Hemet and Mtn Center. Peninsular Ranges, San Jacinto Mountains 1250 Comment
  RSA115730  Dryopteris arguta Lucille Weight 1957-1 s.n. Riverside north Malapai Hill, Joshua Tree National Monument, southern end of Mojave Desert Comment
  SEINET9625425 Image available Dryopteris arguta M. D. Windham 1985-7-10 716 Riverside In the San Jacinto Mts. ca. 3.70 km NNE of the summit of Rouse Hill. San Bernardino N.F. Blackburn Canyon Quad (7 1/2 min.). T5S, R2E, Sec. 27. 975 Comment
  UCR271408  Dudleya abramsii subsp. abramsii John F. Emmel 2001-4-28 1701 Riverside San Jacinto Mountains, Garner Valley, 0.2 air mile south of trailhead parking area for Ramona Trail 1402 Comment
  UC115215  Dudleya lanceolata Charlotte M. Wilder 1905-6-1 584 Riverside near Riverside (Jurupa Hills) Comment
  RSA570733  Dudleya pulverulenta Steve Boyd, Timothy S. Ross, J. Travis Columbus 1993-10-23 8202 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, upper Morrell Canyon along Morgan Trail (5W02). 878 Comment
  UC2059983  Dudleya saxosa subsp. aloides K. Nakai 1980-12-25 682 Riverside San Jacinto Mountains, Thomas Mountains, ca. 1/2 mi from Highway 74 on Ramona Trail. Comment
  UCR14557  Dyssodia porophylloides A. C. Sanders 1974-5-12 0100 Riverside Santa Rosa Mtns., San Bernardino National Forest, Cactus Spring Trail between Pinyon Flats and Horsethief Creek 1159 Comment
  SEINET8060012 Image available Echinocactus polycephalus var. polycephalus Michael Chamberl 1990-1-8 10 Riverside 1/4mi down Hayfield Rd. south of I-10 500 Comment
  SEINET8060242 Image available Echinocactus polycephalus var. polycephalus Michael Chamberl 1990-1-11 21 Riverside 3.6mi S of Inyo county line on Route 127. On west side of small hill on west side of road. 300 Comment
Read comments
Jun 5 2016
  CLARK-A1528-97  Echinodorus berteroi Ruth Cooper 1941-6-8 67 K Riverside Perris Comment
  RSA40573  Eclipta prostrata J. C. Roos 1948-10-23 s.n. Riverside Mud at edge of shallow pool. Comment
  CAS-BOT-BC112732  Eleocharis geniculata Samuel B. Parish 1882-4-1 1160 Riverside Agua Caliente (Palm Springs) Comment
  UCR67397  Eleocharis macrostachya A. C. Sanders, E. Rey, D. Willick 1991-4-19 10925 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
  SBBG101695  Eleocharis palustris S. Boyd, T. Ross 1991-6-14 6382 Riverside Warm Springs Crk at the NE end of Hogbacks ridge, from Alamos Rd, S to confluence with Adobe Spring tributary, 2-3 mi NW of Murrieta Hot Springs Comment
  CAS-BOT-BC113295  Eleocharis parishii A. C. Sanders; Mitch Provance; T. B. Salvato 2001-5-7 24170 Riverside Perris-Aguanga Basin region: S of Hemet, E end of Kiamond Valley, along Gibbel Rd. 0.5-0.75 mi. E of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon. Helmet 7.5' Quad 548 Comment
  UCR20922  Eleocharis parishii A. C. Sanders 1978-7-5 00694 Riverside San Jacinto Mountains, James Reserve, near head of Lake Fulmor at the mouth of Indian Creek 1616 Comment
  RSA78221  Eleusine indica J. C. Roos, E. C. Jaeger 1952-10-8 5899 Riverside Riverside. 259 Comment
  UCR195142  Elymus A. C. Sanders, Tim Thomas 2008-8-1 35940 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1448 Comment
  UCR195143  Elymus A. C. Sanders, Tim Thomas 2008-8-1 35939 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1448 Comment
  SEINET7303713 Image available Elymus glaucus Robert Thorne, J. -P. Simon, & C. W. Tilforth 1969-1 38111 Riverside San Bernardino National Forest, San Jacinto Mts.: Above James Reserve in Hall Canyon 1676 Comment
  UCR15233  Elymus glaucus E. W. Lathrop 1973-6-28 7438 Riverside Santa Ana Mtns., Main Divide Truck Trail between El Cariso and Santiago Peak, Cleveland National Forest 1220 Comment
  POM259163  Elymus glaucus subsp. glaucus P. A. Munz 1938-8-14 15350 Riverside Virgin Spring, Santa Rosa Peak. 2287 Comment
  SD28117  Elymus glaucus subsp. glaucus Carl B. Wolf 1932-8-5 3942 Riverside San Jacinto Mountains, along trail from Tahquitz Valley to San Jacinto Peak. 2621 Comment
  UCD62337  Elymus glaucus subsp. glaucus Peter Kamb 1948-7-4 1181 -b Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  SEINET12747687  Elymus glaucus var. glaucus H. M. Hall 1901-1 2478 Riverside Tamarack Valley. 2804 Comment
  UCD62435  Elymus multisetus R. N. Raynor 1938-6-20 s.n. Riverside Near Keen Camp. Comment
  CDA31736  Elymus trachycaulus S. Munhall 1957-7-18 Riverside Cleveland National Forest, high rocky ridge. 0 Comment
  CLARK-A1528-2965  Emmenanthe penduliflora John C. Roos 1952-4-13 5534 Riverside Box Springs Mountains 396 Comment
  UCD119220  Emmenanthe penduliflora R. L. Smith 1948-3-25 s.n. Riverside Cabazon. Comment
  UCR174107  Emmenanthe penduliflora A. C. Sanders 2006-5-19 32424 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
  UCR268947  Emmenanthe penduliflora var. penduliflora Jim Andre 2015-3-2 31358 Riverside Mojave Desert, along Kolbe Road, northwest end of Coachella Valley at foot of Little San Bernardino Mountains, 0.2 mi west of intersection between Hwy 62 and Indian Avenue, road to Desert Hot Springs, 2.3 mi south of San Bernardino Co. line 529 Comment
  LA206365  Encelia actoni Norman C. Cooper; 1944-5-6 1195 Riverside Banning, along railroad 701 Comment
  RSA673474  Encelia actoni Scott D. White, Tasha La Doux 2000-4-20 7711 Riverside South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills. 610 Comment
  SD73627  Encelia actoni Helen V. Witham 1970-4-29 826 Riverside 20 miles east of Lake Hemet. 1299 Comment
  UCR133384  Encelia actoni Mitch Provance, J. S. Ross 1998-3-27 MOR- 1000 Riverside San Bernardino Mtns., Morongo Indian Reservation, road to Lion Cyn., c. 2.1 miles NE of Cabazon 549 Comment
  UCR92041  Encelia actoni Scott D. White, S. J. Myers 1995-10-21 3725 Riverside San Jacinto Valley, Eastern foothills of San Jacinto Valley,'Santa Rosa Hills', south of Hemet. Foothills just above orange grove. 610 Comment
  RSA613423  Encelia farinosa D. L. Banks 1997-4-5 1669 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
  RSA781747  Encelia farinosa Duncan S. Bell 2011-12-30 3045 Riverside Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; approximately 2 air miles southwest of Priests Well, or approximately 7 air miles southwest of the ghost town of Rice. 365 Comment
  SBBG60960  Encelia farinosa R. C. and J. R. Robbins 1933-2-15 Riverside foot of Palms to Pines Hwy, ca. 11 mi SW of Palm Springs Comment
  UCR177026  Encelia farinosa Tracy Tennant 1998-7-1 s.n. Riverside San Jacinto Valley, Stowe Road at California Ave., midway between Winchester and Hemet-Ryan Airport 457 Comment
  RSA0045282  Encelia farinosa Viki Cruz 1983-5-8 001 Riverside Just off Indian Trial[Trail] Road where the dirt road begins. Magnesha[Magnesia] Canyon, Santa Rosa Mts. Comment
  POM356679  Encelia farinosa var. farinosa E. A. McGregor 1964-3-24 s.n. Riverside Painted Canyon, S of Desert Center. Comment
  POM356694  Encelia farinosa var. farinosa E. Crow 1929-2-24 174 Riverside Andreas Mesa, near Palm Springs. Colorado Desert. Comment
  JEPS34094  Encelia frutescens Marjorie D. Clary 1932-4-7 815 Riverside ca 5 mi n Palm Springs (State Highway); Garnet 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
  RSA597528  Ephedra aspera L. C. Wheeler 1956-2-24 7175 Riverside Pines to Palms Highway ca. 0.45 mi. downhill from 3000 ft. marker. Rocky east facing slope 915 Comment
  UCSB21347  Ephedra aspera McPherson, James 1968-5-11 Riverside Ca. 10 mi. south of Palm Desert, calif., west side of Rt. 74, San Jacinto Mtns. 914 Comment
  CAS-BOT-BC81542  Ephedra californica Robert F. Thorne 1964-5-3 33851 Riverside near hwy ca 4 miles S of Morongo Valley and ca 3 miles S of San Bernardino Co. line Comment
  RSA383876  Ephedra californica Christopher Davidson, B. Gustafson 1977-4-7 5575 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. Hillside, N slope 610 Comment
  RSA776572  Ephedra californica Amber Swanson 2011-4-8 370 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  UC667358  Ephedra californica Annie Alexander and Louise Kellogg 1941-5-15 2183 a Riverside North base of Eagle Mountains 914 Comment
  SEINET10532236  Ephedra californica var. funera A. K. Evans 1976-4-13 Evans 5129 Riverside Rocky slopes of Santa Rosa mountains. Comment
  POM310587  Ephedra nevadensis G. Mansfield-Jones 1956-04 s.n. Riverside Joshua Tree National Monument along road to Juniper Flats 1463 Comment
  UCR19030  Epilobium campestre John C. Roos 1952-5-14 5662 Riverside Moreno Valley, Edgemont [now part of city of Moreno Valley], near Box Springs 488 Comment
  CHSC1162  Epilobium canum subsp. canum E. Thomas 1939-11-12 Riverside Glen Ivy. Comment
  RSA588601  Epilobium canum subsp. canum D. L. Banks, Steve D. Boyd 1995-10-17 812 Riverside NW Palomar Mountains. Agua Tibia Mountains. Cleveland National Forest. Agua Tibia Wilderness Area. Along lower Arroyo Seco. S of the Dripping Springs Campground., Along the narrow benches where Arroyo Seco turns E, just W of the Metasedimentary hills. 524 Comment
  UCSB4333  Epilobium glaberrimum Kamb, Peter 1947-6-7 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  UC218658  Equisetum laevigatum P. A. Munz 1922-6-27 5837 Riverside Santa Rosa; Santa Rosa Mts. 1981 Comment
  UCR123836  Equisetum laevigatum Steven R. Hill 2001-4-29 33531 Riverside Western Colorado Desert/ San Bernardino Mtns., E side of Whitewater Canyon along Whitewater River, east of Whitewater Canyon Road, about 2 mi north of Route I-10 549 Comment
  UCR2385  Eragrostis cilianensis F. M. Reed 1903-12-18 320 Riverside Riverside, Bluffs Ranch (Bluffs Ranch was located along Arroyo Tequesquite at Chicago Ave.) 293 Comment
  SD232575  Eragrostis lehmanniana Scott D. White 1995-7-7 3451 Riverside City of Riverside, Market St. crossing at Sta Ana Riv. USGS 7.5' Fontana quad. Open sandy wash, mostly flooded & scoured this winter. 344 Comment
  RSA653239  Eragrostis mexicana subsp. virescens Mitch Provance, A. C. Sanders 2000-7-4 2081 Riverside Riverside: Santa Ana River Wash, between the Market St. and Riverside Ave crossings. 244 Comment
  SEINET238464 Image available Eragrostis pectinacea var. pectinacea Mitch Provance, A. C. Sanders 2000-7-4 2080 Riverside Riverside: Santa Ana River Wash between the Market St. and Riverside Ave crossing. 244 Comment
  UCR2389  Eragrostis pectinacea var. pectinacea F. M. Reed 1918-11-3 4020 Riverside Riverside Comment
  CSUSB1385  Eremalche rotundifolia A. R. Gillogly 1966-3-10 Riverside 2 miles south of Palm Desert, 1/2 mile east Palm-To-Pines Highway 106 Comment
  RSA172245  Eremalche rotundifolia Robert F. Thorne 1963-3-29 32399 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
Read comments
Dec 11 2011
  SD113836  Eremalche rotundifolia Darley F. Howe 1949-3-21 1972 Riverside 5.0 miles west of Blythe. Comment
  RSA664936  Eremocarpus setiger J. C. Roos 1965-7-27 s.n. Riverside Elsinore. Comment
  RSA736530  Eremocarpus setiger Scott D. White, Angelia Carey 2004-7-2 10573 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  RSA58864  Eremogone ferrisiae P. A. Munz, Percy C. Everett 1950-6-23 14917 Riverside 2 miles NW of Pipe Creek, Hemet Valley, San Jacinto Mountains. 1402 Comment
  UCD107064  Eremothera boothii subsp. desertorum G. K. Helmkamp; E. A. Helmkamp 1998-2-18 2743 Riverside Chuckwalla Mountains. Graham Pass Road, 10.6 miles SSW of Chuckwalla Valley Road. 487 Comment
  HSC95245  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1993-7-16 137 Riverside Thomas Mtn. Rd., 1.5 km W of Thomas Mtn. Campground, both sides of road 1939 Comment
  UC1787332  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1992-6-22 102 Riverside Hwy 371, 4.5 km south of Hwy 74, south side of road, in sandy bottom of Hamilton Wash 1267 Comment
  UCR35047  Eriastrum densifolium subsp. densifolium L. B. Ziegler 1967-5-31 137 Riverside San Jacinto Mtns, Pinyon Flats 1220 Comment
  RSA0110543  Eriastrum densifolium subsp. elongatum N. C. Cooper 1944-7-15 1579 Riverside Palms to Pines Highway, San Jacinto Mountains. 1280 Comment
  UCSB41261  Eriastrum eremicum Cowan, Clark 1978-6-23 Riverside 6.3 mi. S. on Hwy 74 from its jct. with Hwy 111 at Indian Wells; Whittaker transect #W 219 480 Comment
  SD128331  Eriastrum eremicum subsp. eremicum R. Mitchel Beauchamp 1971-5-16 2427 Riverside Ribbonwood, north side of Santa Rosa Mountains. 1175 Comment
  CAS-BOT-BC514460  Eriastrum eremicum subsp. eremicum Carl B. Wolf 1932-5-25 3678 Riverside North base of San Jacinto Mts.: Snow Creek Canyon, 1 mi below fish hatchery 396 Comment
  SDSU21597  Eriastrum harwoodii Duncan S. Bell 2010-5-1 903 Riverside Arica Mountains: northwest of mountain range, ca. 8.6 air miles west of the ghost town of Rice, and ca. 6.8 air miles northwest of Priests Well. 286 Comment
  UCR104932  Eriastrum sapphirinum A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20680 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek drainage, dry slopes above Brown Creek 915 Comment
  UCR281101  Eriastrum sapphirinum subsp. dasyanthum Mitch Provance 2017-5-25 517- 67 Riverside Temescal Valley, 0.3 to 0.5 miles SE of Indian Truck Trail, between Temescal Canyon Rd. and Hwy. 15 361 Comment
  RSA479913  Ericameria cuneata Steve Boyd 1987-11-23 2094 Riverside Mt. Russell, N of Lake Perris, Moreno Valley. 762 Comment
  LA202468  Ericameria linearifolia Elizabeth McClintock; 1936-4-11 sn Riverside Ribbonwood, Pines to Palms Highway Comment
  OBI5706  Ericameria linearifolia Carl B. Wolf 1931-5-11 1951 Riverside Hemet Valley, San Jacinto Mtns Comment
  SD229090  Ericameria nauseosa var. bernardina Dick Schwenkmeyer 2012-8-7 778 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  UCR199719  Ericameria palmeri var. pachylepis Scott D. White, Angelia Carey, Linda Archer 2004-8-5 10666 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
  UCR220009  Ericameria palmeri var. pachylepis A. C. Sanders, D. L. Sanders 2010-11-28 38694 Riverside Peninsular Range; NW Gavilan Hills, Angel Canyon Falls, above Home Gardens at the western edge of Riverside, 4.8 km NW (303 deg. ) of Lake Mathews dam, above intersection of Lincoln St. & Indiana Ave. 279 Comment
  RSA545219  Ericameria paniculata R. F. Thorne 1970-10 41880 Riverside San Bernardino Mountains- Whitewater canyon: ca. 1350 ft. near bridge and Whitewater Post Office to ca. 2000 ft. up the canyon toward fish hatchery. 610 Comment
  RSA594512  Ericameria pinifolia D. L. Banks, Dylan Hannon 1996-5-3 0999 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  JOTR36386  Erigeron canadensis La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3339 Riverside Joshua Tree National Park. Queen Valley along Park Blvd, approx 400 m W of GeoTour Rd 1341 Comment
  CLARK-A1528-4877  Erigeron foliosus John C. Roos 1938-5-26 474 Riverside La Sierra Comment
  UCR260551  Erigeron foliosus T. B. Salvato, Matt Malle 2014-5-29 8019 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Cottonwood Hills (= Sunset Ave), c. 1 mi west of Murrieta Rd and 4.3 mi southeast of Canyon Lake 534 Comment
  SEINET225401  Erigeron foliosus var. foliosus Malcolm McLeod, David Keil 1977-3-26 K 12016 Riverside 9 mi E of jctn. With I-15 along Calif. 79. 518 Comment
  UC284165  Erigeron foliosus var. foliosus P. A. Munz 1993-6-18 7133 Riverside Temecula Canyon Comment
  RSA16373  Erigeron foliosus var. stenophyllus Percy C. Everett 1935-6-17 7158 Riverside Coldwater Canyon Trail to Santiago Peak., 2 miles above Glen Ivy Resort. 610 Comment
  RSA180332  Erigeron foliosus var. stenophyllus E. W. Lathrop 1965-5-23 5767 Riverside Riverside, 8 miles W of Murrieta 610 Comment
  RSA600575  Eriodictyon crassifolium Louis C. Wheeler 1962-7-28 8182 Riverside Temescal Valley. 100 yards north of well and north of Sambucus with ''No Trespassing, No Hunting'' sign. Comment
  SD229192  Eriodictyon crassifolium var. crassifolium Dick Schwenkmeyer, Tony Harper - Collector 2013-5-8 901 Riverside Agua Bonita Spring, Palm Canyon, approx. 8 Mi. S. of Catherdral City 883 Comment
  SEINET6894776  Eriogonum W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Just west of Perris at base of Gavilan Hills. Comment
  CAS-BOT-BC248624  Eriogonum apiculatum Louis C. Wheeler 1931-10-3 233 Riverside 1 1/2 mi. NW Tahquitz Peak, San Jacinto Mts. 1889 Comment
  SEINET3289843 Image available Eriogonum apiculatum M. W. Denslow, Firoozeh Navid-Ara; Valerie Soza 2003-7-15 1454 Riverside Peninsular Ranges; San Jacinto Mountains region: East of Idyllwild, along South Ridge Road (5S11 Rd.) 1890 Comment
  UC64500  Eriogonum davidsonii H. M. Hall May, 1899 Riverside Coyote Canyon El Toro Mt., Coyote Canyon 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
  UCR260951  Eriogonum deflexum Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6025 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, c. 22.25 air miles west of Blythe, south side of Ford Dry Lake, about 0.5 air mile southeast of Hopkins Well 107 Comment
  CHSC109288  Eriogonum deflexum var. deflexum Steve Boyd; T. Morgan, A. Virgen, S. DeGroot, V. Arvizu 2004-5-14 11244 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
  RSA393268  Eriogonum deflexum var. deflexum Anstruther Davidson 1926-03 s.n. Riverside Colorado Desert. Comment
  UC849368  Eriogonum deflexum var. deflexum Lewis S. Rose 1938-12-24 38348 Riverside 20 mi e Mecca 3 Comment
  UC537241  Eriogonum elongatum var. elongatum M. E. Jones 1933-12-29 Riverside Palm Springs Comment
  UCR89541  Eriogonum fasciculatum Bern Schwenn 1994-4-30 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument: E side of Hexie Mountains along Ruby Lee Well Rd. between paved Pinto Basin Rd. and divide 823 Comment
  RSA0056370  Eriogonum fasciculatum var. flavoviride James R. Shevock 1970-12-13 562 Riverside White Tank; Joshua Tree. 1173 Comment
  POM115636  Eriogonum fasciculatum var. foliolosum A. M. Alexander, Louise Kellogg 1941-5-23 2223 Riverside 1.5 miles northeast of Cottonwood Spring, Eagle Mountains. 976 Comment
  CAS-BOT-BC250137  Eriogonum fasciculatum var. polifolium Edmund C. Jaeger 1932-5-12 s.n. Riverside Cottonwood, near Sage, south of Hemet Comment
  RSA451017  Eriogonum fasciculatum var. polifolium Stephen M. Beckstrom-Sternberg 1985-5-7 1006 Riverside U.C.R. [University of California, Riverside] Botanical Garden Comment
  SBBG35023  Eriogonum fasciculatum var. polifolium T. L. Secrest 1951-5-19 Riverside San Jacinto Mtns Comment
  UC849417  Eriogonum fasciculatum var. polifolium I. W. Clokey, E. G. Anderson 1935-8-21 6592 Riverside Keen Camp P.O. 1360 Comment
Read comments
Nov 20 2010
  RSA191431  Eriogonum gracile var. gracile E. W. Lathrop, Robert F. Thorne 1967-9-26 6647 Riverside 6 miles NW of Murrieta. Comment
  UCR106914  Eriogonum gracile var. gracile D. L. Banks, Lauren Raz 1996-11-5 1181 Riverside NW Palomar Mtns., Agua Tibia Mountains, Pechanga Indian Reservation, SE of San Gabriel Church; along main road in the reservation, c. 0.2 mi. east of the church, across from the local cemetery. 378 Comment
  CAS-BOT-BC257574  Eriogonum inflatum H. M. Hall 1901-6-1 2120 Riverside San Jacinto Mountains. Eastern base, along the borders of the Colorado Desert Comment
  CAS-BOT-BC257585  Eriogonum inflatum E. A. McGregor 1917-3-18 728 Riverside Colorado Desert. 4 mi up Painted Canon [Canyon] Comment
  SBBG1529  Eriogonum inflatum H. and M. Dearing 1936-12-25 49 Riverside 10 mi N of Indio on Aqueduct Rd [Long Cyn] Comment
  UC666511  Eriogonum inflatum var. deflatum Annie M. Alexander and Louise Kellogg 1941-5-28 2263 Riverside e on Metropolitan Aqueduct road Hayfield (on bank below road); Colorado Desert Comment
  UCR1052  Eriogonum inflatum var. deflatum Christine Dorn 1971-4-15 s.n. Riverside Sonoran (Colorado) Desert, 5 miles east of Desert Hot Springs 396 Comment
  UCR18179  Eriogonum maculatum A. C. Sanders 1978-4-30 554 Riverside Santa Rosa Mtns, Pinyon Flat area; at the dolomite mine at the west end of the Cactus Springs Trail 1189 Comment
  UC667355  Eriogonum nidularium Annie M. Alexander and Louise Kellogg 1941-5-15 2188 Riverside n base Eagle Mountains Colorado Desert, Eagle Mountains 914 Comment
  RSA752815  Eriogonum nudum subsp. pauciflorum A. C. Sanders, Tim Thomas 2008-8-1 35934 Riverside Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1402 Comment
  RSA0094093  Eriogonum nudum var. pauciflorum Duncan S. Bell, Evan Meyer, Sonia Pena 2015-10-20 8719 Riverside Santa Rosa Mountains; along forest service road, approximately 0.5 air mile northwest of the summit of Santa Rosa Mountain, just above Santa Rosa Spring. 2245 Comment
  SD160871  Eriogonum roseum Virginia Moran 2003-9-1 Riverside Perris-Aguanga Basin region: Wilson Valley Mitigation Bank, accessed from Wilson Valley Road Comment
  RSA788978  Eriogonum thomasii Aaron C. Sedgwick, David Fraker 2012-3-28 34 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  SBBG1631  Eriogonum thomasii H. and M. Dearing 1942-4-8 4871 Riverside Riverside Mtns, 35 mi N of Blythe Comment
  UCR104038  Eriogonum thomasii George K. Helmkamp, E. A. Helmkamp 1998-2-5 2674 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 Comment
  UCR88122  Eriogonum thomasii A. C. Sanders, G. Nuhn 1995-4-20 16597 Riverside Sonoran (Colorado) Desert, Coachella Valley, near Fan Hill, NE of Dillon Road on an abandoned road, below Little San Bernardino Mtns. NE of 1000 Palms 549 Comment
  UC1595607  Eriogonum thurberi Steve Boyd, Orlando Mistretta 1991-5-22 6292 Riverside e Dorland Mt. (w of Kolb Crk., base of Agua Tibia Mtn.); Vail Lake area, Agua Tibia Mtn. 548 Comment
  CAS-BOT-BC263595  Eriogonum trichopes Roxana S. Ferris 1918-6-14 972 Riverside Near Indian Wells Comment
  UCR246556  Eriogonum trichopes Duncan S. Bell 2009-4-19 269 Riverside Arica Mountains, west side of range, c. 2.5 air miles SW of Priests Well 391 Comment
  UCR114942  Eriogonum umbellatum var. munzii G. R. Ballmer, Kay Stockwell 1995-6-25 s.n. Riverside San Jacinto Mtns, Pacific Crest Trail, near Pyramid Peak [c. 3 km (airline) SSE of Palm View Pk.--A. C. Sanders] 2134 Comment
  UC56365  Eriogonum wrightii var. membranaceum J. Vandeventer 1903-1 16 Riverside San Jacinto Mts. Comment
  UCR48496  Eriogonum wrightii var. membranaceum Steve Boyd 1985-12-24 1196 Riverside Gavilan Plateau, Gavilan Hills. south of Ida Leona Road 604 Comment
  CAS-BOT-BC261783  Eriogonum wrightii var. nodosum Frank W. Peirson 1922-12-27 3333 Riverside Andreas, between Forks, East slope San Jacinto Comment
  CAS-BOT-BC261790  Eriogonum wrightii var. nodosum E. K. Balls; P. C. Everett 1957-11-13 22799 Riverside Snow Creek, n. side of valley 701 Comment
  UCR19426  Eriogonum wrightii var. subscaposum Harlan Lewis 1939-11-22 1018 Riverside San Jacinto Mtns., Idyllwild 1524 Comment
  POM15208  Eriophyllum ambiguum var. paleaceum Mary F. Spencer 1922-4-10 1952 Riverside Snow Creek prope [near] Palm Springs Comment
  CAS-BOT-BC297341  Eriophyllum confertiflorum Annie M. Alexander; Louise Kellogg 1941-4-24 2073 Riverside Gorge of Dry Morongo Creek, Morongo Valley Comment
  CAS-BOT-BC297346  Eriophyllum confertiflorum John F. Green 2006-5-10 s.n. Riverside Peninsular Ranges: City of Murrieta, S of the Hogbacks. N of Hunter Rd to Ramage Lane, between Calle de Amor on the E and Springview/Kiwebre Rd on the W 402 Comment
  POM12793  Eriophyllum confertiflorum P. A. Munz 1922-6-27 5857 Riverside Santa Rosa, Santa Rosa Mts. 2012 Comment
  SDSU13541  Eriophyllum confertiflorum var. confertiflorum W. Miller, C. Mosse 1972-7-5 Riverside Comment
  UC219587  Eriophyllum confertiflorum var. confertiflorum P. A. Munz 1922-6-27 5857 Riverside Santa Rosa Santa Rosa Mts., Santa Rosa 2011 Comment
  CLARK-A1528-212  Eriophyllum multicaule C. M. Flanagan 1973-4-14 OO 110 Riverside 518 Comment
  RSA716425  Eriophyllum multicaule Scott D. White 2006-4-27 11311 Riverside Perris Basin/San Jacinto Mtn Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  POM358159  Eriophyllum wallacei Norman C. Cooper 1944-3-25 1022 Riverside Morongo Pass. 457 Comment
  UC729661  Eriophyllum wallacei Carl B. Wolf 1932-5-25 3671 Riverside 1 mi below Fish Hatchery (base of San Jacinto Mts., Snow Creek Canyon); San Jacinto Mts., Snow Creek Canyon 396 Comment
  RSA612826  Erodium botrys D. L. Banks 1997-3-1 1343 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
  RSA776015  Erodium cicutarium Duncan S. Bell 2010-3-20 613 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  UCR226078  Erodium macrophyllum A. C. Sanders, T. B. Salvato 2011-4-1 38947 Riverside Peninsular Range, Lake Elsinore, SW of Baker St. along dirt branch road to microwave tower, near large water tank on hill 409 Comment
  RSA286798  Eryngium aristulatum var. parishii R. F. Thorne 1974-5-23 44662 Riverside Santa Rosa Plateau, Rancho California: top of Mesa de Colorado 625 Comment
  RSA507947  Erysimum capitatum Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2265 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest. 1500 Comment
  UC410726  Erysimum capitatum Mrs. E. C. Van Dyke 1928-5-28 Riverside Banning Comment
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Mar 13 2011
  LA204341  Erysimum capitatum var. capitatum Norman C. Cooper; 1944-5-20 1227 Riverside Palms to Pines Highway 1371 Comment
  UCD96465  Eschscholzia androuxii Shannon M. Still; Jennifer R. Still, Charles M. Still 2008-2-15 258 A Riverside California. Riverside County: Joshua Tree National Park. 610 Comment
  RSA0022934  Eschscholzia androuxii Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA0022972  Eschscholzia androuxii A. M. Alexander, Louise Kellogg 1941-5-14 2169 Riverside 5 miles S of Cottonwood Spring, Eagle Mtns Comment
  RSA736243  Eschscholzia californica Scott D. White, Jonathan Campbell 2008-4-18 11895 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  UCR182313  Eschscholzia californica Mitch Provance 2003-4-5 6617 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
  SEINET3005002  Eschscholzia glyptosperma G. Rink 2011-4-4 10430 Riverside Northwest of Blythe, east of the McCoy Mtns, desert pavement 182 Comment
  RSA0034939  Eschscholzia glyptosperma A. Lee Haines 1973-3-25 s.n. Riverside Orocopia Mtns. 457 Comment
  CAS-BOT-BC83127  Eschscholzia minutiflora John H. Thomas 1957-3-30 6523 A Riverside 0.8 mile east of Cactus City, about 13 miles east of Coachella, near U.S. Highways 60 and 70. 518 Comment
  RSA66747  Eschscholzia minutiflora F. W. Peirson 1921-3-20 4175 Riverside Andreas Canyon near Palm Springs 213 Comment
  RSA747992  Eschscholzia minutiflora Scott D. White, Justin M. Wood 2009-4-28 12614 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  UCSB33609  Eschscholzia minutiflora Simmons, Karen 1979-3-25 Riverside 8.8 miles south-west of Hwy 10; on Box Canyon Road 30 Comment
  RSA0022916  Eschscholzia parishii P. J. Remple 1942-3-22 s.n. Riverside Dead Indian Creek near Palms to Pines Hwy. Comment
  RSA663850  Eschscholzia parishii C. R. Annable, Lee Barron 1995-3-12 2270 Riverside Mecca Hills, Box Canyon Wash. Hwy 195. Comment
  SDSU18656  Eschscholzia parishii Michael G. Simpson, Kristen Hasenstab 2008-4-2 2946 Riverside Joshua Tree National Park. Wash just southwest of road to Cottonwood Spring, ca. 0.4 mile northwest of Cottonwood Spring. 922 Comment
  UC1093127  Eschscholzia parishii Richard Snow 1952-4-13 6 Riverside Box Canyon Orocopia Mts. Comment
  UC68555  Eschscholzia parishii H. M. Hall Apr., 1905 5898 Riverside Chuckawalla Springs Colorado Desert Comment
  UCR51967  Eschscholzia parishii Steve Boyd, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2176 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  RSA0022924  Eschscholzia parishii Richard Snow 1953-4-5 50 Riverside Corn Spring. Comment
  UCD103100  Eucalyptus camaldulensis F. M. Reed 1916-11-12 3759 Riverside Jensen Ranch, west Riverside. Comment
  UCR112832  Eucalyptus camaldulensis A. C. Sanders 1997-5-1 20613 Riverside Lake Skinner area, old house site at gated road junction into Shipley Reserve area, c. 1 km NE of Lake Skinner in mouth of Rawson Creek Canyon 457 Comment
  RSA612493  Eucrypta chrysanthemifolia D. L. Banks 1997-2-23 1324 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
  UCR139162  Eucrypta chrysanthemifolia S. J. Myers 2003-4-22 s.n. Riverside Murrieta Area, hill 1564 between Auld. Rd. and Benton Rd. near Pourroy Rd., south of Alamos School site, north of Tucalota Creek 477 Comment
  JOTR34033  Eucrypta chrysanthemifolia var. bipinnatifida La Doux, Tasha, M. Harding 2010-4-7 2918 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; in upper reaches of side canyon, approx. 1 mile north of park boundary Comment
  JOTR35074  Eucrypta micrantha La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3526 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocky slopes; above narrow side canyon Comment
  UCR279338  Eucrypta micrantha A. C. Sanders, Jim Malusa 2017-3-23 42949 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
  SEINET6089988  Eulobus californicus Unknown 1944-5-6 1210 Riverside Whitewater Canyon. Comment
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Feb 27 2016
  SEINET6060470  Euonymus occidentalis Scott D. White 1919-1-6 6946 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  CLARK-A1528-2489  Euonymus occidentalis subsp. parishii John C. Roos 1941-8-2 88 Riverside San Jacinto Mountains Comment
  OBI45308  Euphorbia albomarginata Karin Cleary 1987-5-21 68 Riverside San Jacinto; S side of Gilman Springs Rd. .4 km SE of the intersection of Gilman Springs Rd and Bridge St 463 Comment
  UCR16187  Euphorbia albomarginata Paul Lamos 1972-4-20 042072- 0102 Riverside [Moreno Valley Badlands], junction of Hwy 60 and Jack Rabbit Trail 793 Comment
  JOTR33803  Euphorbia eriantha La Doux, Tasha, B. Truesdell 2007-11-9 3301 Riverside Joshua Tree National Park. Eagle Mountains; along south boundary of park, open bajada below mouth of Lost Palms Canyon (STOP 2) 601 Comment
  OBI2985  Euphorbia maculata Lewis S. Rose 1967-12-19 67179 Riverside La Quinta 15 Comment
  UCR274183  Euphorbia maculata Dick Newell, Judy Booth 2015-10-25 416 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, South Main Divide Road, 0.62 miles SSE of Hacienda Rd., 0.68 mile NW of Elsinore Peak 932 Comment
  UCR188698  Euphorbia micromera J. M. Stewart 1989-10-17 614 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, c. 10 mi west of Wiley's Well 305 Comment
  POM312156  Euphorbia palmeri N. C. Cooper 1944-6-17 1397 Riverside San Jacinto Mts., Pine Cove. 1524 Comment
  RSA432446  Euphorbia palmeri M. B. Dunkle 1933-7-21 3719 Riverside Idyllwild 1616 Comment
  UC455399  Euphorbia palmeri I. J. Condit 1910-6-23 Riverside San Jacinto Mt. 2743 Comment
  SEINET10739816  Euphorbia polycarpa Lewis S. Rose 1935-12-19 Rose 35663 Riverside Colorado Desert, Palm Springs, CA. 133 Comment
  RSA432480A  Euphorbia polycarpa var. hirtella N. C. Cooper 1944-7-15 1576 Riverside Palm Springs. 122 Comment
  POM7049  Eustoma exaltatum P. A. Munz, G. Williams 1919-3-25 2314 Riverside Palm Canyon, Palm Springs. 229 Comment
  CLARK-A1528-7886  Fagonia californica var. glutinosa John C. Roos 1948-9-18 3220 Riverside Painted Canyon Comment
  CLARK-A1528-4429  Fagonia laevis John C. Roos 1949-5-5 4095 Riverside Orocopia Mountains Comment
  IRVC28829  Fagonia laevis Mark A. Elvin 2005-4-26 4230 Riverside Coachella Valley/Indio Hills; N of I-10. Northern Sonoran Desert 198 Comment
  RSA444455  Fagonia laevis Roos 1965-6-23 s.n. Riverside Lost Palms Wash. Comment
  SBBG3962  Fagonia laevis H. and M. Dearing 1937-4-10 967 Riverside near Hayfield Comment
  RSA0042384  Fagonia pachyacantha Duncan S. Bell, LeRoy Gross 2014-3-13 6233 Riverside Orocopia Mountains; southern section of range; approximately 1.75 west northwest of Clemens Well. 293 Comment
  UCR200289  Fagonia pachyacantha Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11237 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 549 Comment
  CAS-BOT-BC56786  Ferocactus cylindraceus Geo. Lindsay 1954-4-1 2059 Riverside Field redacted by CAS, contact the data manager for more information Comment
  UCR133669  Festuca myuros Chet McGaugh 2003-5-10 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR16071  Festuca myuros H. C. Sharma 1976-4-26 760426- 02 Riverside Woodcrest, c. 2 miles from Woodcrest on Firethorn Ave 335 Comment
  UCR18397  Festuca myuros A. C. Sanders 1978-5-20 s.n. Riverside San Jacinto Mountains, James Reserve, above Lake Fulmor 1646 Comment
  UCR91399  Festuca myuros Scott D. White 1995-4-5 2716 Riverside Moreno Valley, Base of slope in 'Badlands', off [Moreno-Redlands] Blvd 640 Comment
  JOTR35351  Festuca octoflora Andre, Jim 2012-4-11 20680 Riverside Joshua Tree National Park. N. end of Hexie Mountains, Hidden Tank Picnic Area, approx. 8 mi south of north entrance station, and 1.4 mi SW of paved road (Rte 11) 1076 Comment
  LA7820  Festuca octoflora A. M. Johnson; 1932-5-27 3920 Riverside 2 mi below Palm Springs Comment
  UCR213252  Festuca octoflora A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37703 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 378 Comment
  RSA0116288  Ficus microcarpa R. E. Riefner Jr. 2015-8-8 15 -220 Riverside City of Corona, S side of 91 Freeway ca. 120 ft W of Lincoln St., N side of Corona del Rey apartments. 210 Comment
  RSA0012052  Filago californica Steve Boyd, Susan Jett 2008-3-20 11831 Riverside Peninsular Ranges: Santa Ana Mountains region: Along Main Divide Truck Trail, south of junction with Wildomar Truck Trail and north of Wildomar Off-Hwy Vehicle Area. Comment
  RSA85099  Filago californica J. C. Roos 1952-4-9 5510 Riverside Scattered along dry sunny roadside with Avena barbata, Muhlenbergia microsperma, etc., southeast face Mt. Rubidoux. 335 Comment
  UCR134653  Filago gallica Mitch Provance 1998-4-9 404 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', or variously referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 259 Comment
  UCD117402  Fouquieria splendens subsp. splendens Richard Bates 1949-4-26 s.n. Riverside State Highway 74, start of 'Palms to Pines' Highway, Colorado Desert. Comment
  UC63850  Frankenia salina H. M. Hall June, 1901 Riverside San Jacinto Lake Comment
  UCR59803  Frankenia salina Jeri Hirshberg 1989-7-20 s.n. Riverside Vicinity of Lake Skinner: drainage west of dam Comment
  UCR178341  Fraxinus dipetala T. B. Salvato, Jeffrey Ross 1998-5-14 MOR- 139 Riverside San Bernardino Mtns., Morongo Indian Reservation, flat area cut by small wash, south and west of dirt road to Kitching Peak near junction with East Branch Millard Canyon, tree stand M-04 1128 Comment
  RSA614528  Fraxinus velutina A. C. Sanders 1994-10-6 1578 Riverside San Jacinto Mountains (N slope): Twin Pines Creek drainage, Azalea Creek and a tributary gully from the west. 1128 Comment
  SD233886  Fraxinus velutina A. C. Sanders, J. Goetzen 1996-5-1 18133 Riverside San Bernardino Mtns.: Morongo Indian Reservation, along dirt road in Hathaway Crk. Cyn., N of Banning. 793 Comment
  UCR259203  Fraxinus velutina Mitch Provance 2012-3-30 312- 02 Riverside San Gorgonio Pass, south of Banning at Smith Creek, near the corner of Coyote Trail and Old Idyllwild Rd. 693 Comment
  UCR82764  Fraxinus velutina A. C. Sanders, T. Schram, D. Wappler 1994-10-6 15778 Riverside San Jacinto Mtns., N slope of mtns.: Twin Pines Creek drainage, Azalea Creek and a tributary gully from the west 1189 Comment
  UC63710  Fremontodendron californicum subsp. californicum H. M. Hall 1898-7-1 958 Riverside San Jacinto Mountains, Bull Creek Bull Creek; San Jacinto Mountains, Bull Creek 1524 Comment
  UCR91647  Fremontodendron californicum subsp. californicum D. L. Banks, V. W. Steinmann 1995-7-10 0755 Riverside Agua Tibia Mtns, NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Wildhorse Trail, west of lower Arroyo Seco, SE of Wildhorse Peak. Along the drainage south of the peak 'Agua 915 Comment
  UC1537226  Fritillaria biflora Gordon H. True Jr. 1935-4-5 219 Riverside Gavilan Hills 609 Comment
  UCR240999  Funastrum cynanchoides Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 20 Riverside South Coast/Peninsular Range, Riverside, Sycamore Canyon, near the entrance to the park 396 Comment
  HSC99155  Funastrum cynanchoides var. hartwegii Paul J. CaraDonna 2009-3-15 120 Riverside Cholla Gardens, Joshua Tree National Park Comment
  RSA475291  Funastrum hirtellum Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2099 Riverside North end Palen Mountains, 2 mi west of Palen Pass 300 Comment
  RSA550355  Funastrum hirtellum W. Wisura 1992-3-24 4633 Riverside 13.1 mi NE of Mecca on Box Canyon Rd. seed voucher Comment
  SEINET10496383  Funastrum hirtellum A. Evans 1976-4-13 Evans 5178 Riverside Desert canyons of Santa Rosa Mts. Comment
  SEINET10546252  Funastrum hirtellum Charles L. Hitchcock 1932-4-7 Hitchcock 12199 Riverside Corn Springs, eastern Riverside Comment
  UCR154463  Galium angustifolium Jason L. Hlebakos 2005-5-30 806 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  CLARK-A1528-7881  Galium angustifolium subsp. angustifolium John C. Roos 1948-5-8 3819 Riverside Whitewater Canyon 548 Comment
  POM319092  Galium angustifolium subsp. angustifolium Patricia Wilder 1971-5-13 4943 Riverside Prado Flood Control Basin; at top of Prado Dam on west end. 229 Comment
  UC1518631  Galium angustifolium subsp. angustifolium Robert F. Thorne, Drs. Fosberg, Sachet, and Herbst 1983-4-23 55473 Riverside side canyon on w side Whitewater Canyon (ca 3.3 mi n of Whitewater Post Office); San Bernardino Mts. 594 Comment
  UC1536778  Galium angustifolium subsp. angustifolium G. H. True 1935-4-10 220 Riverside Box Springs Sycamore Canyon Comment
  UCR5858  Galium angustifolium subsp. angustifolium Frank C. Vasek 1966-9-5 660905- 02 Riverside San Jacinto Mtns., 1 mile north of Mountain Center toward Idyllwild 1445 Comment
  UCR272190  Galium angustifolium subsp. gracillimum Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8550 Riverside Santa Rosa Mountains, Horsethef Creek, south of Cactus Spring Trail 1064 Comment
  RSA0051334  Galium angustifolium subsp. jacinticum Valerie Soza, Steve Boyd 2004-6-22 1727 b Riverside San Jacinto Mountains, southeast side of Lake Fulmor, slope above Hwy 243 (Hall Canyon). 1615 Comment
  SD51947  Galium aparine Reid Moran 1962-7-7 9853 Riverside by Strawberry Creek, 2 miles SW of Idyllwild, San Jacinto Mts. 1550 Comment
  UCR165918  Galium aparine T. B. Salvato, John F. Green 2004-5-27 555 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
  UCR147259  Galium californicum subsp. primum Naomi Fraga, Sarah De Groot, Valerie Soza 2004-6-28 1280 a Riverside Peninsular Range; San Jacinto Mtns., along Red Hill Road (5S10) near Alvin Meadows, SW of Pine Cove 1677 Comment
  UCD170418  Galium porrigens var. porrigens D. O. Burge 2017-3-12 2225 Riverside Alvin Meadows. 1435 Comment
  RSA66724  Galium stellatum F. W. Peirson 1919-4-12 1191 Riverside Along the Tahquitz Creek stream near Palm Springs Comment
  UCSB45609  Galium stellatum Roos, John 1949-4-6 Riverside Canyon in the Orocopia Mtns. 2 1/2 miles N.E. of Dos Palmas Spring 182 Comment
  JEPS24232  Galium stellatum var. eremicum Peter H. Raven 1958-5-18 12998 Riverside 4.9 mi ne Pinon Flats (along State Hwy 74); San Jacinto Mountains Comment
  JOTR31769  Galium stellatum var. eremicum Andre, Jim, Tasha La Doux 2009-3-10 11235 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
  RSA666586  Gamochaeta pensylvanica A. C. Sanders 2002-3-20 24895 Riverside Western Colorado Desert: Coachella Valley, city of Palm Springs, around offices of Agua Caliente Band of Cahuilla Indians, 650 E Tahquitz Canyon Way at Calle El Segundo (Palm Springs.) 137 Comment
  CAS-BOT-BC178389  Garrya flavescens Carl B. Wolf 1939-1-20 9485 Riverside East side Santa Ana Mts., along Eagle Motor Way, 1 mi. below summit. 914 Comment
  UCSB4688  Garrya flavescens Gill, Robert 1959-3-14 Riverside Road to Black Star Canyon and Oak Flat from Corona side; Santa Ana Mtns; Pacific Slope 822 Comment
  UCR213903  Garrya veatchii Scott D. White, Justin M. Wood 2009-5-22 12906 Riverside San Jacinto Mountains, Idyllwild area, 'Strawberry Fuelbreak' between Strawberry Creek and road to sewage ponds 1456 Comment
  RSA761893  Gayophytum Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 706 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA0012050  Gazania linearis Steve Boyd, Susan Jett 2008-3-20 11833 Riverside Along Main Divide Truck Trail, south of junction with Wildomar Truck Trail and north of Wildomar Off-Hiway Vehicle Area. Comment
  CHSC23885  Geraea canescens T. M. Lane 1975-3-24 3 Riverside In a wash, 1 mi n of US Interstate 10 at s entrance of Joshua Tree National Monument on Pinto Basin Rd. Mojave Desert. 533 Comment
  POM358659  Geraea canescens Emery M. Whilton 1937-1-16 s.n. Riverside Taken at La Quinta, Coachella Valley. Comment
  RSA80970  Geraea canescens G. R. Campbell 1952-4-6 18419 Riverside Box Canyon, road leading from Hwy 60-70 to Salton Sea. 457 Comment
  UCR165291  Geraea canescens John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  UCR245951  Geraea canescens Duncan S. Bell 2009-3-7 12 Riverside Arica Mountains, east side of range, c. 1.7 miles west of Priest Well 431 Comment
  SDSU13962  Geranium carolinianum Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2102 Riverside El Valle. Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 640 Comment
  UCR126261  Gilia Nathan Moorhatch, John Green 2003-4-2 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, Whitewater River channel at Date Palm Drive in Cathedral City 91 Comment
  UCR166296  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 427 Comment
  UCR174178  Gilia A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32572 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  RSA12924  Gilia angelensis C. B. Wolf 1935-4-7 6314 Riverside 2 miles SW of Perris, in the Gavilan region. 427 Comment
  RSA613896  Gilia angelensis A. C. Sanders, Giles Waines, B. Ehdaie, A. Aryavand 1997-3-12 19850 Riverside Lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  RSA85116  Gilia angelensis J. C. Roos 1952-4-2 5460 Riverside Box Springs Comment
  SD232284  Gilia angelensis Michael Wall 2003-4-15 264 Riverside Peninsular Ranges; San Jacinto Mountains region: Lamb Canyon west of Beaumont off Hwy. 79, 5.2 mi. south jct. with 10 Fwy up dirt road at turnout along west side of Hwy. 33. 601 Comment
  SEINET2445411  Gilia angelensis Daphne K. Christopher, Hannah Stevens 2003-4-6 106 Riverside Motte Rimrock Reserve. Off Sage Rd. 540 Comment
  UCR274294  Gilia angelensis T. B. Salvato, Gregg Miller 2005-6-7 1444 Riverside Peninsular Range, Gavilan Hills, along Hill Top Drive, 1.7 mi NE ( 54.8 deg. ) of the Lake Street junction with Hwy I-15, and 1.8 miles west of El Toro Road, near benchmark 2349 695 Comment
  RSA526176  Gilia capitata subsp. abrotanifolia Steve Boyd, T. S. Ross 1990-5-11 4678 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  RSA559955  Gilia capitata subsp. abrotanifolia Steve Boyd, Orlando Mistretta 1992-4-23 7066 Riverside San Mateo Canyon Wilderness Area, along San Mateo Creek from Riverside Co. line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 243 Comment
  JEPS4116  Gilia diegensis W. L. Jepson 1901-5-19 1311 Riverside Strawberry Valley , Strawberry Valley (Mt. San Jacinto) Comment
  SD137683  Gilia diegensis Darin L. Banks, Steve Boyd 1995-5-3 280 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. 512 Comment
  JEPS69628  Gilia latifolia W. L. Jepson 1914-5-18 6027 Riverside n Indio (County Well); Colorado Desert, n of Indio, County Well 304 Comment
  RSA0016234  Gilia ochroleuca R. F. Thorne 1995-3-29 63023 Riverside White Water Canyon. 600 Comment
  RSA0016279  Gilia ochroleuca subsp. exilis P. A. Munz 1922-6-27 5850 Riverside Santa Rosa Mountains: Santa Rosa. 2012 Comment
  UC23663  Gilia ochroleuca subsp. exilis H. M. Hall June, 1901 2212 Riverside along water courses in the vicinity Strawberry Valley; San Jacinto Mountains, vicin Strawberry Valley 1600 Comment
  RSA0017085  Gilia ochroleuca subsp. exilis Marcus E. Jones 1889-4-20 10311 Riverside San Jacinto. Comment
  SD233900  Gilia scopulorum A. C. Sanders, E. J. Lawlor 1992-4-4 12145 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring; alluvial slopes below and to the south, and canyon bottom above the spring. 244 Comment
  RSA771351  Gilia sinuata Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4823 -b 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
  UCR178146  Gilia splendens T. B. Salvato, Jeffrey Ross 1998-5-14 MOR- 138 Riverside San Bernardino Mtns., Morongo Indian Reservation, flat area cut by small wash, south and west of dirt road to Kitching Peak near junction with East Branch Millard Canyon, tree stand M-04 1128 Comment
  JOTR29346  Gilia stellata La Doux, Tasha, Bill Truesdell, Naomi Fraga 2006-4-26 1423 Riverside Joshua Tree National Park. Long Canyon; Stop 2, in side canyon east of main wash. 837 Comment
  RSA799250  Gilia stellata Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 754 Riverside North side of the Mecca hills, side canyon between the head of Box Canyon and Shavers Well, roughly 7.4 miles from Interstate 10 on Box Canyon Road. 305 Comment
  SBBG87691  Gilia stellata S. Boyd with S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2111 Riverside N end of Palen Mtns, 2 mi W of Palen Pass, mid-bajada 300 Comment
  SD134486  Githopsis diffusa Craig Reiser 1989-4-19 Riverside Near intersection of De Portola Road and Colt Road Comment
  UCR18956  Githopsis diffusa subsp. diffusa John C. Roos 1952-5-24 5710 Riverside Hills north of Moreno Comment
  CAS-BOT-BC282820  Glyceria X occidentalis A. C. Sanders; S. Hawkins 1996-4-24 18088 Riverside Morongo Indian Reservation vicinity of natural pond and bog at SE edge of Burro Flats, San Bernardino Mtns. 1158 Comment
  UC489087  Glyceria elata C. V. Meyer 1928-7-24 519 Riverside Idyllwild Falls; San Jacinto Mts. 1889 Comment
  RSA500118  Gnaphalium californicum Steve Boyd, T. S. Ross, L. Arnseth 1989-6-10 3693 Riverside Vail Lake area, Benches of Arroyo Seco and slopes of adjacent hills to E. 488 Comment
  RSA583382  Gnaphalium californicum Steve Boyd, Darin Banks 1995-4-5 8432 Riverside Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the eastern edge of the Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary. 579 Comment
  UCR59779  Gnaphalium luteoalbum Jeri Hirshberg 1989-7-27 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, E end of Vail Lake, in 'draw down' area Comment
  RSA855  Gnaphalium microcephalum J. T. Howell 1928-7-7 1033 Riverside Near Glen Ivy. 457 Comment
  RSA655040  Gnaphalium stramineum Scott D. White 1999-6-6 7529 Riverside Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds at terminus of USFS Road 5S24.2. 1432 Comment
  UCR180131  Gutierrezia californica Mitch Provance 2003-4-26 9890 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  UCR202006  Gutierrezia californica Mike Misenhelter 1998-7-7 s.n. Riverside Peninsular Range; San Jacinto Mtns. Foothills, 35 acre 'Searl Tank' site, foot of the north end of Mica Butte, just SE of the intersection of State St. and Cactus Valley Rd., c. 1 mile south of Hemet 585 Comment
  JOTR16594  Gutierrezia microcephala Hogan, J. 1974-9-7 212 Riverside Joshua Tree National Park. UNICTION OF UPPER COVINGTON FLATS AND EUREKA PEAK ROADS 1432 Comment
  JOTR30812  Gutierrezia microcephala Andre, Jim, Tasha La Doux 2008-9-16 10690 Riverside Joshua Tree National Park. along Bell Mountain Rd. atop Bell Mountain, approximately 0.3 miles north of radio tower. Queen Mountain USGS 7.5 min quad Near 34 00.35' N 116 00.017' W 1358 Comment
  RSA0097131  Gutierrezia sarothrae Marc A. Baker, Chris Taylor 2015-6-26 18366 Riverside The Badlands, 1.5 km SSE of the intersection of San Timoteo Road and Redlands Blvd., 27 km ENE of Riverside, 0.5 km south of San Timoteo Wash. 567 Comment
  UCR272669  Gutierrezia sarothrae Sarah J. De Groot, Duncan S. Bell 2015-9-21 7580 Riverside Peninsular Range; Santa Rosa Mountains, SSW of Palm Desert, along Dunn Road, between Asbestos Mountain and Haystack Mountain 1241 Comment
  CLARK-A1656-785  Haplopappus linearifolius Lois Ann Scott 1978-4-11 Riverside San Gorgonio Pass 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
  UCR104617  Harpagonella palmeri D. E. Bramlet 1993-3-30 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., 180 m west of Siegal Ranch Road 427 Comment
  UCR63946  Harpagonella palmeri D. E. Bramlet, P. Jacks, S. Goode 1989-4-4 1785 Riverside Perris-Aguanga Basin Region, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  RSA0066603  Harpagonella palmeri Steve Boyd 1986-4-2 1589 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park, at south end of park. 609 Comment
  SDSU13562  Helianthemum scoparium W. Miller with C. Mosse 1972-7-19 Riverside Just outside soth gate, north side of road. Comment
  SDSU13563  Helianthus annuus W. Miller with C. Mosse 1972-7-11 Riverside Comment
  POM360006  Helianthus gracilentus N. C. Cooper 3955 Riverside Elsinore. 762 Comment
  RSA152146  Helianthus gracilentus Wesley O. Griesel 1962-6-29 s.n. Riverside Road between Banning & Idyllwild. Comment
  UCR21158  Helianthus gracilentus Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  RSA783522  Heliotropium curassavicum J. D. Olmsted 1959-8-18 793 Riverside Along Saun Meadow Road at Northeast corner of Football field, Desert Sun School near Idyllwild. San Jacinto Mt. Range. 1646 Comment
  UCR139635  Heliotropium curassavicum A. C. Sanders 2004-6-30 28404 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  UCR272481  Heliotropium curassavicum Mitch Provance 2013-6-18 613- 27 Riverside San Bernardino Valley, Riverside, Arlington area, S side of Challen Avenue, near intersection with Curran Dr. 238 Comment
  CLARK-A1656-888  Heliotropium curassavicum subsp. oculatum Jim Cornett 1977-7-10 Riverside Thermal 0 Comment
  SBBG63442  Heliotropium curassavicum var. oculatum M. N. Ackley 1928-3-31 61 Riverside near Mecca -60 Comment
  SD136878  Heliotropium curassavicum var. oculatum Steve Boyd, Darin Banks 1994-9-29 8374 Riverside Lake Elsinore, floodplain east of dike along San Jacinto River west of Sedco Hills community. 380 Comment
  CAS-BOT-BC314979  Hemizonella minima Edmund C. Jaeger 1921-6-14 s.n. Riverside MacMullen Trail, San Jacinto Mts. 1280 Comment
  RSA692246  Hemizonia fasciculata Scott D. White, Michael Honer 2003-5-27 9403 Riverside Gavilan Hills / Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak '2349.' 396 Comment
  SEINET7063228  Hemizonia fasciculata A. G. Vestal 1963-5-19 s.n. Riverside About 1.5 miles northeast of Aguanga on Route 371. UTM Zone 11, 512930mE, 3702605mN. (WGS84/NAD83). 719 Comment
  UCR80843  Hemizonia kelloggii G. R. Ballmer 1992-6-23 92- 8 Riverside San Timoteo Canyon Rd., 0.8 mi east of jct with Redlands Blvd. 526 Comment
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Jul 14 2012
  UCR140291  Hemizonia paniculata A. C. Sanders, Guy Bruyea 2004-4-2 27427 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, just north of Rose Rd. 463 Comment
  UCR231766  Hemizonia paniculata John F. Green 2008-4-23 09- 04 Riverside Peninsular Range; SE Gavilan Hills, powerline route in hills SE of Perris, east of Hwy 74 and north and NE of Eugene St., both sides of Theda St. 503 Comment
  RSA614387  Hemizonia pungens subsp. laevis Scott D. White 1997-5-25 5244 -B Riverside Winchester area: Roadside of Simpson Ave., less than1 mi W of intersection w/ Winchester Rd. 445 Comment
  UCR238748  Hemizonia pungens subsp. laevis Jeremiah George 2012-7-9 s.n. Riverside San Timoteo Canyon, west side of San Timoteo Canyon Rd., NE corner of Fisherman's Retreat Lake 597 Comment
  RSA286424  Hesperocallis undulata Mary H. O'Brien 1976-4-14 s.n. Riverside 0.4 mile N of Amboy Road and 3.4 miles east of Adobe Road in Twentynine Palms. 595 Comment
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Mar 29 2014
  UCR97451  Hesperocnide tenella A. C. Sanders, O. F. Clarke & H. Forster 1997-3-2 19767 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
  UC31137  Heterotheca sessiliflora subsp. echioides Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  RSA785656  Heterotheca sessiliflora var. sanjacintensis J. C. Semple, J. Chimielewski 1987-9-30 8985 Riverside CA-74, 12.7 km south of CA-243, south of Lake Hemet. Comment
  SDSU20376  Heuchera hirsutissima Michael G. Simpson, Matt Guilliams, Michael Silveira, Lori Simpson 2007-6-25 2900 Riverside San Jacinto mountain, ca. 100 feet northeast of peak. 3287 Comment
  SEINET212651 Image available Hilaria rigida L. C. Higgins 1974-4-12 8488 Riverside 5 mi S of Morongo Valley on Hwy 62 Comment
  CDA27091  Hoffmannseggia glauca T. C. Fuller 1964-4-14 11813 Riverside Northwest corner of Highway 111 & Avenue 52, Coachella. 0 Comment
  RSA605672  Hoffmannseggia glauca R. S. Woglum 1941-4-10 2936 Riverside Sonoran Desert: Blythe. Comment
  SEINET3365552  Hoffmannseggia glauca G. Rink 2011-9-25 11071 Riverside South of I-10 at the Ford Dry Lake Exit, in a swale that sometimes holds water 110 Comment
  LA45782  Hoffmannseggia microphylla Norman C. Cooper; 1944-5-20 2621 Riverside San Jacinto Mountains, Palms to Pines Highway 304 Comment
  CAS-BOT-BC285036  Hordeum depressum A. C. Sanders 1993-5-12 14016 Riverside Hemet, W side of Warren Road, 1/2 mile S of Florida Ave. (Hwy 74), between the New San Diego Aqueduct and Warren, directly opposite of the W end of Whittier Rd. 460 Comment
  UCR199636  Hordeum depressum Scott D. White, Justin M. Wood 2008-4-3 11804 Riverside Perris/Elsinore Basin, Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon 'Morgan' Property, Alberhill area 366 Comment
  RSA0012170  Hordeum intercedens A. C. Sanders, T. B. Salvato 2011-4-4 38974 Riverside Warm Springs Valley, 0.4 mi. WNW (276 deg ) of intersection of Collier Ave. & Riverside Dr./Hwy 74, NE of Baker St. 387 Comment
  RSA609949  Hordeum intercedens D. E. Bramlet 1996-4-22 2459 Riverside San Jacinto Wildlife Area, Lovell Unit. The site is approximately 198m east of Davis Road and183m north of the San Jacinto River. This locality was some 46m south of the existing access road., 11S X 04 88 978mE X 37 45 950mN 432 Comment
  UCR117652  Hordeum intercedens Scott D. White, M. Jacobsmeyer 1996-4-20 3964 Riverside Perris Basin, near Perris Airport; c. 100 m south of Case Road and 100 m west of the San Jacinto River Channel 433 Comment
  SD244056  Hordeum marinum T. B. Salvato, Mall Malle, Tom Sullivan 2013-3-27 7452 Riverside Perris-Aguanga Basin: Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Rd. 431 Comment
  RSA596934  Hordeum marinum subsp. gussoneanum A. C. Sanders, K. D. Jones, D. Malueng 1996-4-20 18042 Riverside San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel., (33 deg 49'N, 117 deg 09'W 433 Comment
  UCR92715  Hordeum marinum subsp. gussoneanum A. C. Sanders, K. D. Jones, D. Malueg 1996-4-20 18061 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  JOTR35205  Hordeum murinum subsp. glaucum Harding, Mitzi, Tasya Herskovitz 2011-4-28 182 Riverside Joshua Tree National Park. Barker Dam, approx. 200m from trail head 1304 Comment
  SDSU17483  Hordeum murinum subsp. leporinum Jerry Jenkins 2001-3-30 2001 -003 Riverside Santa Margarita Ecological Reserve. Edge of driveway. UTM zone 6, 482100E, 3699010N. UTM transfered to GIS. Comment
  RSA599098  Hordeum vulgare V. W. Steinmann 1996-4-13 827 Riverside East of route 15 along Temescal Canyon Road 1.3 kilometers southeast of junction with Indian Truck Trail 350 Comment
  CAS-BOT-BC148558  Horkelia clevelandii John Thomas Howell 1927-8-2 2913 Riverside Idyllwild, Strawberry Valley, Mt. San Jacinto 1676 Comment
  RSA0018955  Horkelia clevelandii Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 692 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SBBG72539  Horkelia clevelandii R. Hoffmann 1929-9-8 Riverside San Jacinto Mtns 2133 Comment
  SD187403  Hosackia crassifolia var. crassifolia R. E. Riefner Jr. 2007-6-16 07 264 Riverside City of Hemet, Bautista Canyon, 2.8 mi east of Fairview Ave. on Bautista Rd. 693 Comment
  SBBG68139  Hosackia oblongifolia var. oblongifolia R. Hoffmann 1929-9-7 Riverside San Jacinto Mtns 1828 Comment
  CAS-BOT-BC312580  Hulsea vestita subsp. callicarpha Winifern W. Swarth 1914-9-15 s.n. Riverside Slope south of Round Valley, San Jacinto Mts. 2590 Comment
  CAS-BOT-BC312593  Hulsea vestita subsp. callicarpha F. Grinnell Jr. 1908-7-1 s.n. Riverside Tahquitz Valley 2438 Comment
  RSA160499  Hulsea vestita subsp. callicarpha J. D. Olmsted 1959-7-2 735 Riverside On road between high Castle and turnoff to Humber Park (horse trail) 1 mile SW of Idyllwild, San Jacinto Mt range 1707 Comment
  UC90384  Hulsea vestita subsp. callicarpha A. W. Anthony 1895-7-5 Riverside San Jacinto Mountains 2743 Comment
  UCR195706  Hulsea vestita subsp. callicarpha A. C. Sanders, Tim Thomas 2008-8-1 35941 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1402 Comment
  RSA650958  Hymenoclea salsola Marion P. Harthill 1973-2-17 1564 Riverside W. Palm Springs. 366 Comment
  RSA784950  Hymenoclea salsola Duncan S. Bell 2012-2-12 3108 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  SEINET269275 Image available Hymenoclea salsola Bern Schwen 1994-3-21 Riverside Joshua Tree National Monument ; Little San Bernardino Mountains along radio tower road in first canyon west of Pushawalla Canyon east of Upper Thousan 640 Comment
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Sep 7 2013
  UC667320  Hymenoxys cooperi Annie M. Alexander and Louise Kellogg 1941-5-4 2116 Riverside sandy flat near edge reservoir; Joshua Tree National Monument, Barker Dam 1325 Comment
  SDSU12941  Hypochaeris glabra Jutta Buschbom 1991-6-3 20 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  UCR114306  Hypochaeris glabra Julie A. Greene 1993-4-30 1264 Riverside Perris-Aguanga Basin region, San Jacinto Valley, San Jacinto Wildlife Area. north of San Jacinto River drainage. 433 Comment
  UCR171961  Hypochaeris glabra 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
  UCR466  Hypochaeris glabra Frank C. Vasek 1958-4-26 s.n. Riverside Palomar Mtn. Region, Hwy '71' [79], east of Temecula, east end of [Temecula Creek] bridge at E end of cultivated valley [Pauba Valley] 366 Comment
  CAS-BOT-BC219731  Hyptis emoryi R. F. Hoover 1966-10-15 10164 Riverside Dead Indian Canyon 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
  UCD124918  Hyptis emoryi Geoffrey Levin 1974-3-30 9 Riverside Chino Canyon below the tramway. San Jacinto Mts. Mt. Range. 426 Comment
  UCLA61519  Hyptis emoryi M. F. Spencer Mar 1918 297 Riverside Col<rado> Desert <Colorado Desert> Comment
  CAS-BOT-BC274062  Imperata brevifolia J. C. Roos 1965-6-23 s.n. Riverside Palm Springs Comment
  UCR166827  Ipomoea purpurea Michael D. Wilcox 2005-11-19 s.n. Riverside San Bernardino Valley, Mira Loma, 13 acre fallow field at the south east junction of Hamner Ave. and Galena St., at the San Bernardino County line approximately 1.6 miles north of Swan Lake Trailer park 229 Comment
  UC1080344  Isocoma acradenia var. eremophila E. K. Balls and P. C. Everett 1957-11-5 22756 Riverside just s Thermal (State Hwy. 111) 30 Comment
  RSA684554  Isoetes howellii Christopher Davidson 1977-5-25 5665 Riverside Mesa de Burro; Santa Rosa Plateau area of Santa Ana Mountains 701 Comment
  CLARK-A1045-325  Isomeris arborea var. angustata George K. Helmkamp 1977-3-20 Riverside Cabazon edge of dry wash south of Cabazon; ; Cabazon 7.5'Q Comment
  UCD133365  Iva axillaris R. N. Raynor 1938-6-20 s.n. Riverside Coahuila. Comment
  RSA227711  Jepsonia parryi Gary D. Cromwell 1972-2-15 710 Riverside Small canyon canyon off Los Alamos Canyon, 8 mi. SSW of Lake Elsinore and unpaved road #7So4, USDA Forest Serv. map, Trabuco Dist., Cleveland Nat. Forest. 488 Comment
  UCR182354  Juncus balticus Mitch Provance 2005-5-17 6598 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
  RSA567472  Juncus balticus subsp. ater Scott D. White 1993-5-29 1484 Riverside San Bernardino Mountains: Banning Canyon and Big Oaks Canyon along the road to Raywood Flat, Yucaipa Ridge. 1220 Comment
  UCR24958  Juncus bufonius A. C. Sanders 1980-7-22 1731 Riverside San Jacinto Mtns, along road 5S09 between the USC Idyllwild campus (Isomata) and Alvin Meadow; about 0.25 mi from Isomata 1524 Comment
  UCR274329  Juncus bufonius Mitch Provance 2012-7-11 612- 62 Riverside Badlands of Western Riverside County, Beaumont, along 1st St., near intersection with Grace Ave. 780 Comment
  SD137986  Juncus bufonius var. bufonius Darin L. Banks, Steve Boyd 1995-5-3 214 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UCR109697  Juncus effusus subsp. austrocalifornicus T. W. Fisher 1963-9-24 s.n. Riverside San Jacinto Mtns., Idyllwild 1585 Comment
  POM78994  Juncus mexicanus I. M. Johnston 1925-7-19 s.n. Riverside Pedley - Norco Road, 4 miles SSE of Wineville. Comment
  UC2029975  Juncus mexicanus Scott D. White, Tasha LaDoux 20 Apr 2000 7689 Riverside SOUTH OF HEMET: Gibbel Flat in the Santa Rosa Hills. Comment
  RSA368067  Juncus oxymeris H. de Forest, Jack Rempel 1932-10-22 s.n. Riverside Pines to Palms Highway. Comment
  SEINET10755901  Juncus rugulosus J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12832 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then a few kilometers on Whitewater Canyon Road to where it comes closest to the river. Comment
  UC489197  Juncus rugulosus C. V. Meyer 1928-7-30 595 Riverside Saunders Meadow 1676 Comment
  UCR24955  Juncus rugulosus A. C. Sanders 1980-7-22 1711 Riverside Peninsular Range; San Jacinto Mtns., Drainage of the N fork of the San Jacinto River, along Forest Service Road 4S02, c. 0.1 mi south of Dark Canyon campground and c. 2.5 - 3 mi north of Pine Cove 1768 Comment
  UCR44208  Juncus tiehmii A. C. Sanders 1986-6-1 6546 Riverside San Jacinto Mtns., trail to Spitler Peak from the Herkey Creek Camp to Bonita Vista road [=Apple Canyon Rd.] 1829 Comment
  RSA296134  Juncus xiphioides B. A. Prigge 1980-8-5 3843 Riverside Whitewater Canyon; 0.5 mile N of trout farm. 701 Comment
  RSA398810  Justicia californica Robert Gustafson 1978-3-21 839 Riverside Joshua Tree National Monument, about 4 miles from the junction of the road leading through the park and Hwy 70. 640 Comment
  RSA62011  Justicia californica F. W. Peirson 1935-2-22 s.n. Riverside Deep Canyon, about 1000 ft.[west margin Sonoran Desert, Santa Rosa Mtns. -SDW] 305 Comment
  SBBG68771  Justicia californica L. G. Yates 1895-1 Riverside Palm Springs Comment
  UC1329995  Justicia californica James E. Cole 1941-3-30 455 Riverside Cottonwood Spring Wash Joshua Tree Nat'l Monument, Cottonwood Spring Wash Comment
  UCR188198  Kalanchoe tubiflora A. C. Sanders 2007-1-12 33276 Riverside Riverside; UCR campus, weed in UCR Botanical Garden cactus garden 351 Comment
  RSA0062475  Kallstroemia californica A. C. Sanders, T. B. Salvato 2012-10-12 40424 Riverside Chuckwalla Valley, along Wileys Well Rd., 0.1 mi. above I-10 junction, below Ironwood St. Prison. 120 Comment
  HSC21064  Keckiella antirrhinoides D. W. Snell 1964-3-26 20 Riverside 1.5 mi. E of Hwy. 79, 5 mi. S of Hemet. Comment
  UC667295  Keckiella antirrhinoides Annie M. Alexander and Louise Kellogg 1941-5-21 2215 Riverside n base Eagle Mountains; Colorado Desert 1158 Comment
  UCR125197  Keckiella antirrhinoides Mitch Provance 1998-5-29 559 Riverside Riverside, NW side of North Hill, along the S edge of Lake Evans 274 Comment
  CAS-BOT-BC236706  Keckiella antirrhinoides subsp. antirrhinoides T. Craig 1927-4-23 206 Riverside Glen Ivy Comment
  LA209286  Keckiella antirrhinoides var. antirrhinoides J. Sauer; R. Minnich 1977-4-7 5960 Riverside N Fork of San Jacinto Canyon near Hemet 609 Comment
  CAS-BOT-BC174791  Kochia scoparia R. E. Riefner, Jr. 2006-5-30 06 -214 Riverside Romoland, Sherman Rd. near Ethanac Rd. 440 Comment
  UC149782  Koeleria macrantha H. M. Hall 1902-4-26 2976 Riverside vicinity of Riverside Box Spr. Mt. 685 Comment
  CAS-BOT-BC168506  Krameria erecta Mitch Provance; Kerry Knudsen; Petra Wester 2004-5-8 9002 Riverside Santa Rosa Mountains: Along Hwy 74 on the Santa Rosa Mountain Grade, ca. 0.8-0.5 mi NE of Black Hills 854 Comment
  HSC27213  Krameria erecta J. P. Smith, J. O. Sawyer 1973-6-10 6885 Riverside Joshua Tree National Monument. Comment
  JOTR34065  Krameria erecta La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2963 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon on edge of 2009 burn area, north of Lost Horse Mine trail Comment
  SD84902  Krameria erecta Nancy Ryan Zabriskie, Walter Zabriskie 1972-4-9 514 Riverside Northwest of Highway 74; Deep Canyon drinage, Santa Rosa Mountains. 1219 Comment
  RSA776573  Krameria erecta Amber Swanson 2011-4-8 368 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  RSA0042112  Krameria grayi Duncan S. Bell, LeRoy Gross 2014-3-20 6283 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  UC1929495  Krameria grayi Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10464 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UCR17305  Krameria grayi K. Stolte 1978-5-25 s.n. Riverside Sonoran (Colorado) Desert, south side Hwy 111, at Windy Point; c. 5 mi. west of Palm Springs, Coachella Valley 300 Comment
  SD245277  Lactuca serriola Robert F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49541 Riverside Santa Ana Mountains: along Ortega Highway (74), perhaps 1/4 mile west of El Cariso. Comment
  RSA48413  Langloisia setosissima subsp. setosissima E. K. Balls 1949-4-2 12898 Riverside Between Mecca and Mortmar on Hwy 111 -61 Comment
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Jun 24 2012
  RSA795940  Langloisia setosissima subsp. setosissima Duncan S. Bell 2009-4-18 256 Riverside Arica Mountains: southeast side of range, approximately 0.5 air mile southwest of Priests Well. 311 Comment
  RSA165173  Larrea tridentata Mark Parratt 1962-2-24 110 Riverside E side of road in cathedral city. Colorado desert edge. Drainage area: Salton Sea. 152 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
  RSA390022  Larrea tridentata E. Crow 1929-2-24 181 Riverside Desert Palm. Palm Spring. Colorado Desert Comment
  RSA390023  Larrea tridentata C. Crow 1928-11-11 s.n. Riverside Morongo Valley, Colorado Desert. Desert plains Comment
  RSA760789  Larrea tridentata Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-3-30 110 Riverside Coachella Valley Preserve. 4 mi from Ramon Rd on Thousand Palms Canyon Rd. To W of Thousand Palms Canyon Rd. 381 Comment
  UCR245740  Larrea tridentata Naomi Fraga, David Fracker, Thomas Stoughton 2012-3-15 3956 Riverside Sonoran (Colorado) Desert, off of Box Canyon Rd., [NE] of Shaver Well on an alluvial plain 323 Comment
  UCR260355  Larrea tridentata A. C. Sanders, Jim Malusa 2015-3-10 41369 Riverside Sonoran (Colorado) Desert, north end of Chocolate Mountains, Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range 610 Comment
  UCR213503  Lasthenia coronaria A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37811 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
  UCR92635  Lasthenia glabrata subsp. coulteri G. R. Ballmer 1996-4-14 s.n. Riverside Perris-Aguanga Basin, Lake Elsinore area, south of Hwy I-15 along east side of Nichols Road 384 Comment
  POM8238  Lasthenia gracilis P. A. Munz, R. D. Harwood 1920-3-20 3393 Riverside Elsinore. 396 Comment
  SD239603  Lasthenia gracilis A. C. Sanders, T. B. Salvato 2011-3-28 38806 Riverside Peninsular Range: Perris-Aguanga Basin Region: Menifee Valley, between Sun City and Perris, from McLaughlin & Evans roads intersection east to I-215 Fwy (Romoland 7.5'Q) 434 Comment
  UCR162938  Lasthenia gracilis Fred M. Roberts, D. E. Bramlet 2005-4-1 6149 Riverside Upper Salt Creek, W of Hemet, parcel between Devonshire and Florida, c. 0.2km N of Florida and 0.2km W San Diego Aquaduct; c. 2km NW Ryn Field 457 Comment
  UCR178150  Lasthenia gracilis T. B. Salvato, Tracy Tennant 1998-4-23 MOR- 916 Riverside San Bernardino Mtns., Morongo Indian Reservation, Burro Flats 1189 Comment
  CAS-BOT-BC367545  Lasthenia microglossa F. W. Peirson 1919-4-14 1376 Riverside Murray Canyon near Palm Springs 487 Comment
  UCR128296  Lathyrus latifolius Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8633 B Riverside San Jacinto Mtns, Idyllwild area; 'Strawberry Fuelbreak' between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek 1646 Comment
  UCR51350  Lathyrus vestitus B. G. Pitzer, E. Misquez 1988-2-28 0616 Riverside Santa Ana Mtns, Walker Basin, southwest of Murrieta, Avenida Del Oro, 2 mi south of Rancho California Road 428 Comment
  RSA3123  Lathyrus vestitus subsp. alefeldii C. B. Wolf 1932-2-11 2652 Riverside Hidden Canyon 5 mi. W. of Corona at base of Santa Ana Mts. 405 Comment
  UCR110985  Lathyrus vestitus var. vestitus George K. Helmkamp 1998-6-27 4119 Riverside Santa Rosa Mtns., 5.8 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), below Mountain Home Spring 1799 Comment
  JOTR16603  Layia glandulosa Walters, Jim 1967-3-14 s.n. Riverside Joshua Tree National Park. ONE MILE NORTH OF SQUAW TANK Comment
  UC279713  Layia glandulosa Edmund C. Jaeger 1925-12-23 Riverside Aguanga 883 Comment
  CAS-BOT-BC379674  Layia platyglossa S. B. Parish; W. F. Parish 1882-4-1 1623 Riverside Banning, Southern California Comment
  UC1537069  Layia platyglossa Gordon H. True Jr. 1935-3-16 91 Riverside Mockingbird Canyon 365 Comment
  UC63243  Layia platyglossa H. M. Hall 1901-6-1 2041 Riverside s side San Jacinto Mountains 1341 Comment
  UCR241016  Layia platyglossa T. B. Salvato, Tracy Tennant 1998-4-16 MOR- 1216 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Potrero Canyon about 1 mile above locked gate, east side of road near old corrals, tree stand P-03 976 Comment
  UCR76163  Layia platyglossa A. C. Sanders 1993-4-1 13662 Riverside Perris-Aguanga Basin Region, western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St. and Devonshire Ave., 0.75 mile NE of the intersection of Florida Ave (Hwy 74) and Warren Rd, just south of Tres Cerritos 460 Comment
  POM361704  Layia platyglossa subsp. campestris Ora M. Clark 1929-4-6 1941 Riverside South of Hemet. Comment
  RSA716345  Leontodon leysseri R. E. Riefner 2004-7-31 04 -357 Riverside City of Hemet, Auto Blvd. at Warren Rd. 463 Comment
  SBBG104094  Lepidium dictyotum A. C. Sanders 1993-4-5 13684 Riverside western edge of Hemet, NE corner of intersection of Myers St. and Devonshire Ave, 0.75 mi NE of intersection of Florida Ave (St Hwy 74) and Warren Rd Just S of Tres Cerritos; T5S, R1W, SW/4 of NE/4, S7 460 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
  UCR49239  Lepidium dictyotum var. dictyotum Steve Boyd 1986-4-2 1623 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  CAS-BOT-BC89442  Lepidium fremontii K. Larson 1976-6-9 2022 Riverside Ca. 25 miles east of Indio. Comment
  UC856592  Lepidium fremontii I. W. Clokey 1935-4-17 6651 Riverside Cottonwood Springs Comment
  UCR200259  Lepidium fremontii var. fremontii J. M. Porter, Orlando Mistretta 2003-6-5 13608 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Chocolate Mountains. Chocolate Mountains Bombing and Gunnery Range. Unnamed canyon, south of Salt Creek, accessed via Siphon 21 of the Coachella Canal, fork running east, above the pour-off 439 Comment
  POM6614  Lepidium lasiocarpum P. A. Munz, L. T. Street, Williams 1919-3-25 2315 Riverside Palm Canyon. 243 Comment
  POM184738  Lepidium lasiocarpum var. lasiocarpum C. L. Hitchcock 1932-4-9 12227 Riverside White tanks, eastern Riverside. Comment
  UCR111607  Lepidium latifolium Mitch Provance 1999-5-4 1686 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  CAS-BOT-BC89754  Lepidium latipes A. C. Sanders; K. C. Rose 1998-5-21 21865 Riverside Hemet. Flats west of town, east of the canal, south of Highway 74 (Florida) and ca. 0.25 mile west of Warren Road. 457 Comment
  UCR75540  Lepidium latipes A. C. Sanders 1993-5-12 14000 Riverside San Jacinto Valley, Hemet, SW corner of intersection of Florida Ave (Hwy 74) & Warren Rd., between new San Diego Aqueduct and Warren Road 460 Comment
  UCR165611  Lepidium virginicum T. B. Salvato, John F. Green 2004-5-27 710 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
  UCR112557  Lepidium virginicum var. robinsonii A. C. Sanders 1998-3-17 21745 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, south of Hemet 343 Comment
  UCR214323  Lepidium virginicum var. robinsonii A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38383 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  UCR281258  Lepidium virginicum var. robinsonii Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-27 317- 62 Riverside Temescal Valley, North side of Concordia Ranch Rd., slopes just east of Black Powder Rd. 393 Comment
  UCR80796  Leptochloa uninervia Scott D. White 1992-9-11 796 Riverside Vicinity of Gilman Hot Springs, north side of San Jacinto River & a thin strip trending north of the river & west of the Hot Springs 459 Comment
  RSA262087  Leptosiphon floribundus E. W. Lathrop 1968-5-22 6927 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  POM3514  Leptosiphon floribundus subsp. glaber C. F. Baker 1904-4-4 s.n. Riverside Elsinore. Comment
  UCR115153  Lessingia filaginifolia Mitch Provance 2000-8-24 2220 Riverside Jurupa Mountains, NW Jurupa Mtns; SW of the E extreme of Philadelphia St. 274 Comment
  UCR193973  Lessingia filaginifolia A. C. Sanders 2008-7-25 35906 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, along Bonita Vista Rd. at foot of hills 1580 Comment
  UCR229518  Lessingia filaginifolia Jeremiah George 2011-9-8 s.n. Riverside Peninsular Range; Elsinore Trough, Lake Elsinore area, Terra Cotta Rd. at Coal Ave, Warm Springs Valley 409 Comment
  CDA20749  Lessingia glandulifera var. glandulifera M. Lahti 2006-9-12 PDR 1357283 Riverside Sage Ranch Nursery, 41801 East Benton Rd., Hemet CA. Comment
  RSA773470  Lessingia glandulifera var. glandulifera Duncan S. Bell, Colleen Wheeler 2010-7-19 1630 B Riverside San Bernardino National Forest: Garner Valley, in the vicinity of the Tool Box Spring trailhead, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1377 Comment
  UCR34941  Lessingia glandulifera var. glandulifera L. B. Ziegler 1964-8-30 017 Riverside San Jacinto Mtns., Hemet (Garner) Valley, Thomas Mtn. subdivision 1402 Comment
  SDSU1091  Leymus condensatus A. H. Gallup 1948-6-12 226 Riverside San Jacinto Mt. Road from San Jacinto. 835 Comment
  RSA740832  Leymus triticoides Scott D. White, Justin M. Wood 2008-7-8 12392 Riverside Johnson Meadow. 1439 Comment
  UC3726  Lilium parryi H. M. Hall Jun 1901 2451 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1524 Comment
  UCR129782  Lilium parryi P. A. Munz 1922-7-7 6066 Riverside San Jacinto Mtns., meadow [Skunk Cabbage M.?] north of Tahquitz Valley 2439 Comment
  RSA655086  Limonium perezii Scott D. White 1999-11-12 7633 Riverside Murrietta Area: Corner of Nutmeg and Clinton Keith. 410 Comment
  RSA20306  Linanthus aureus Roxana S. Ferris, Ruth P. Rossbach 1938-5-15 9528 Riverside 2 miles from Cottonwood Springs, Cottonwood Mts. Comment
  JOTR33964  Linanthus bigelovii La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2850 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
  SD134419  Linanthus dianthiflorus Craig Reiser 1990-4-15 Riverside Off De Portola Road near Calle Grande Road Comment
  UC23484  Linanthus dianthiflorus A. J. McClatchie 1892-4-26 35 Riverside near Elsinore Comment
  RSA525414  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4522 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  POM96830  Linanthus dianthiflorus subsp. dianthiflorus F. M. Reed 1926-5-8 5311 Riverside Rocky hills on highway south of Perris. Comment
  RSA359854  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd 1986-4-2 1632 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  UC718524  Linanthus floribundus subsp. floribundus Carl B. Wolf 1936-6-17 Riverside 0.5 mi e Orange County line (along Ortega Highway, San Juan Canyon); Santa Ana Mts., San Juan Canyon 365 Comment
  JOTR34032  Linanthus jonesii La Doux, Tasha, M. Harding 2010-4-7 2917 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; in upper reaches of side canyon, approx. 1 mile north of park boundary Comment
  RSA0047250  Linanthus maculatus J. Mark Porter, Leigh A. Johnson 1997-3-10 11467 Riverside Whitewater Canyon, ca. 1 mi. N of Whitewater (along Interstate 10). 474 Comment
  UCR48508  Linanthus pygmaeus Steve Boyd 1986-4-13 1688 Riverside Gavilan Hills, Harford Springs County Park, between creek and W flank of 'Cross Mountain Comment
  UCR133690  Linaria canadensis Chet McGaugh 2003-5-10 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  CLARK-A1528-4219  Linaria canadensis var. texana John C. Roos 1952-4-9 5504 Riverside Mount Rubidoux Comment
  UCR166167  Linaria canadensis var. texana John F. Green 2005-2-10 s.n. Riverside Peninsular Range, E of Temecula, Rancho California, SE of intersection of Mesa Verdugo and Calle Vista, N of Pauba Valley and south of Buck Mesa 430 Comment
  RSA523535  Lithophragma affine subsp. mixtum Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3994 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  SD122177  Lobularia maritima James C. Dice, Virginia Moran 1987-11-28 759 Riverside South rim of Temecula Gorge, in dirt road near locked gate. 305 Comment
  RSA0045289  Lobularia maritima Margaret Murphy 1983-4-15 0011 -A 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
  SBBG122764  Loeflingia squarrosa A. Parikh 1990-5-12 168 Riverside Arroyo Seco, S of Dripping Springs Cmpgrd, 1 km S of Hwy 79, 2.8 km E of Woodchuck Rd 494 Comment
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Apr 29 2011
  RSA0081254  Loeseliastrum matthewsii Kimberly Peterson, Micaele Maddison 2001-5-5 501 Riverside Pabua Valley north of Pechanga Indian Reservation and east of Temecula. 400 Comment
  RSA468341  Loeseliastrum schottii Anstruther Davidson 1893-04 s.n. Riverside Palm Springs. Comment
  JOTR35140  Logfia depressa La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 3252 Riverside Joshua Tree National Park. West Cottonwood Mountains; southeast edge of Pinkham Wash, east of Pinkham Canyon Road; rocky flats between small drainages in mouth of Pinkham Wash (Stop 1) Comment
  UCR87617  Logfia filaginoides A. C. Sanders 1994-5-30 14613 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  SD185112  Lomatium lucidum A. C. Sanders, Seung-Chul Kim 2005-5-7 30023 Riverside Agua Tibia Mountains: UC Emerson Oaks Reserve, ca. 8.0 miles southeast of Temecula. 456 Comment
  UCR4611  Lomatium utriculatum Frank C. Vasek 1960-4-12 600412- 03 Riverside Peninsular Range, County road S16 (Pala Rd.) between Temecula and Pala, 0.5 mi north of the San Diego Co. line Comment
  UCR87631  Lonicera interrupta A. C. Sanders 1994-5-30 14585 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  CSUSB1188  Lotus argophyllus Margaret-Lee Dean 1965-4-5 Riverside Bernasconi Hills, 6 miles east of Highway 395 on Martin Road 487 Comment
  POM12089  Lotus crassifolius Mary F. Spencer 1921-6-27 1199 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  UCR138757  Lotus crassifolius Scott D. White 1997-5-18 5178 Riverside San Jacinto Mtns., 'Black Mountain Scenic Area,' Black Mountain Trail between Hwy 243 and Cinco Poses Trail junction 1829 Comment
  UCSC000919  Lotus crassifolius Peter Kamb 1947-6-7 572 Riverside Hall Canyon, San Jacinto Mts. 1646 Comment
  JEPS55436  Lotus grandiflorus var. grandiflorus W. L. Jepson 1903-8-8 2293 Riverside Strawberry Valley San Jacinto Mt. 1828 Comment
  UCR174115  Lotus hamatus A. C. Sanders, T. B. Salvato 2006-6-2 33085 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. 579 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
  UCR97646  Lotus hamatus A. C. Sanders, G. Helmkamp 1997-3-15 19937 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 518 Comment
  RSA614598  Lotus heermannii A. C. Sanders, Steve Ogg 1994-7-28 15177 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd Bridge 243 Comment
  UCR161439  Lotus heermannii A. C. Sanders, Mike Misenhelter 2005-9-20 31685 Riverside San Jacinto Mtns. Foothills, Santa Rosa Hills south of Hemet, road NW of Gibbel Flat, south end of Cornell St., 0.5 mi. SE of the Ramona Bowl 610 Comment
  UCR181159  Lotus humistratus R. E. Riefner Jr. 2005-8-28 05- 649 Riverside Peninsular Range, SE of Lake Elsinore toward Wildomar, Corydon Rd. at Union St. 394 Comment
  UCR250382  Lotus humistratus A. C. Sanders, John F. Green 2014-4-4 40967 Riverside Peninsular Range; Elsinore Trough, N of Elsinore at Alberhill, along Lake St. south of the Temescal Canyon Rd. intersection, 378 Comment
  RSA680159  Lotus nevadensis var. nevadensis Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8629 -B Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. i.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  UC489410  Lotus nevadensis var. nevadensis C. V. Meyer Jun 1927 206 Riverside Saunders Meadow San Jacinto Mts. 1676 Comment
  UC80942  Lotus nevadensis var. nevadensis A. W. Anthony 1895-7-10 Riverside San Jacinto Mts. 2590 Comment
  UCR21997  Lotus purshianus Steve Boyd 1980-7-12 329 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UC80895  Lotus purshianus var. purshianus A. W. Anthony 1895-7-15 Riverside San Jacinto Mountain Comment
  CLARK-A1045-113  Lotus rigidus George K. Helmkamp 1977-3-20 Riverside Pinyon Pines area above edge of Deep Canyon; Palm Desert 15'Q Comment
  SDSU4339  Lotus rigidus H. Wedberg 1962-4-20 918 Riverside About 1 mile southeast of Pinyon Flats on road to Palm Springs, San Jacinto Mountains. Pinyon-Juniper woodland. 1219 Comment
  UCR137561  Lotus scoparius subsp. brevialatus A. C. Sanders 2004-5-5 27760 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  UCR214273  Lotus scoparius subsp. brevialatus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37744 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
  RSA25620  Lotus scoparius var. brevialatus C. B. Wolf 1938-9-29 10927 Riverside 9 miles from Temecula on road to Aguanga. Fork of Temecula wash. 335 Comment
  RSA406895  Lotus scoparius var. brevialatus N. C. Cooper 1944-4-8 1058 Riverside Andreas Canyon. 305 Comment
  RSA406905  Lotus scoparius var. brevialatus Christopher Davidson 1973-4-1 1787 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  UCR102734  Lotus scoparius var. brevialatus B. G. Pitzer 1998-1-25 3426 Riverside Lakeview Mtns, Pulsar View Road, c. 0.5-0.75 mile uphill from the water tank at base of hills on Warren Road; c. 1 mile (airline) north of Juniper Flat Road 610 Comment
  UCR91392  Lotus scoparius var. brevialatus Scott D. White 1995-4-5 2709 Riverside Moreno Valley, Base of slope in 'Badlands', off [Moreno-Redlands] Blvd 640 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
  UC15699  Lotus strigosus H. M. Hall Jun 1901 2059 Riverside vicinity Chalk Hill; San Jacinto Mountains 1584 Comment
  UCR250199  Lotus strigosus A. C. Sanders 2014-4-23 41044 Riverside Peninsular Range, Gavilan Hills, along Concordia Ranch Rd. at edge of Temescal Valley, above I-15 and east of Black Powder Rd. 384 Comment
  UCR213936  Lotus strigosus var. tomentellus Naomi Fraga, Lisa Rojas 2005-2-10 1364 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  PASA1116  Lotus subpinnatus Frank W. Peirson 1930-5-10 Riverside Hemet Plateau, along boulevard opposite March field 457 Comment
  POM259731  Lotus tomentellus E. C. Jaeger 1939-12-29 s.n. Riverside Eytel canon [canyon]branching from Fargo Canon [canyon] 5 mi. east Indio. 244 Comment
  CLARK-A1045-305  Lupinus arizonicus George K. Helmkamp 1977-3-20 Riverside Deep Canyon Pinyon Pines area; ; ; Palm Desert 15'Q 1066 Comment
  RSA749191  Lupinus arizonicus Robert F. Thorne 1963-3-29 32404 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
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Dec 8 2011
  UC1563076  Lupinus arizonicus Steve Boyd, Orlando Mistretta 1986-3-13 1463 Riverside ne Desert Center (West side Palen Mts.); West Side Palen Mts., ne of Desert Center Comment
  UCR75059  Lupinus arizonicus A. C. Sanders, E. J. Lawlor 1992-4-4 12124 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  SD140103  Lupinus bicolor Scott White 1993-4-20 1202 Riverside Estelle Peak, Gavilan Hills; Lake Mathews quad. 822 Comment
  UC1183625  Lupinus bicolor Dave Dunn 1941-3-30 984 Riverside on Hwy to Perris 1/2 mi from Beaumont turnoff near the R.R. tracks (near March Field (Army Camp)); near March Field (Army Camp) Comment
  POM350062  Lupinus bicolor subsp. microphyllus N. C. Cooper 1944-4-21 1126 Riverside Banning. 701 Comment
  UCR107752  Lupinus bicolor subsp. microphyllus D. L. Banks 1997-5-5 1998 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 S fork of Pechanga Creek 427 Comment
  RSA771627  Lupinus concinnus Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4997 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010 732 Comment
  UC15833  Lupinus concinnus Mrs. Gregory 1890-1 Riverside San Jacinto Comment
  UCR102121  Lupinus concinnus George K. Helmkamp 1984-5-5 E- 8 Riverside Transverse Range, Little San Bernardino Mountains, Big Morongo Canyon, 4 road miles below the caretaker's house at the Big Morongo Preserve 549 Comment
  POM158444  Lupinus concinnus subsp. optatus Philip A. Munz 1927-5-21 10857 Riverside San Carlos Pass, Ansa. 1372 Comment
  CDA27427  Lupinus concinnus var. orcuttii T. C. Fuller 1964-4-14 11815 Riverside Bench above wash of Whitewater Canyon, 4.1 miles north of Whitewater. 0 Comment
  OBI40934  Lupinus excubitus Jennifer Lyman 1981-5-24 s.n. Riverside May Valley rd, Idyllwild Comment
  SEINET2062854 Image available Lupinus excubitus Howard S. Gentry 1954-7-27 14258 Riverside Dripping Springs along route 79 Comment
  SD185222  Lupinus excubitus var. austromontanus T. B. Salvato, John F. Green 2004-5-27 650 Riverside Head of Banning Canyon close to San Bernardino County line, 0.5 mile southeast of Oak Glen Conservation Camp. 1402 Comment
  RSA689564  Lupinus excubitus var. hallii Scott D. White, Michael Honer 9120 Riverside San Bernardino Mtns.: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjcent steep east-facing mountain slope. 610 Comment
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Apr 13 2014
  LA205046  Lupinus formosus var. bridgesii Elizabeth McClintock; 1941-5-19 4 Riverside Santa Rosa Indian Reservation Comment
  RSA413637  Lupinus formosus var. formosus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  UCR23946  Lupinus formosus var. hyacinthinus John C. Roos 1937-8-18 1222 Riverside San Jacinto Mtns, Round Valley 2805 Comment
  RSA249454  Lupinus hirsutissimus John F. Emmel 1973-4-7 423 Riverside Twin Pines Creek, at north base of San Jacinto Mts, 1.5 miles SW of Cabazon. 512 Comment
  RSA594769  Lupinus hirsutissimus D. L. Banks, Dylan Hannon 1996-5-3 0995 Riverside Agua Tibia Mountains; Cleveland National Forest; Dripping Springs Campground, 30 m N of campsite #9. 487 Comment
  UCR35024  Lupinus hirsutissimus L. B. Ziegler 1967-4-18 113 Riverside Peninsular Ranges, Foothills of the San Jacinto Mtns, on Poppet Flat Rd 915 Comment
  POM11042  Lupinus latifolius subsp. parishii Unspecified 1897-6-1 583 Riverside Riverside, no data on label Comment
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Jul 4 2010
  RSA413769  Lupinus longifolius N. C. Cooper 1947-4-5 2046 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  UCR19465  Lupinus sparsiflorus Carl Epling, Harlan Lewis 1941-5-2 s.n. Riverside Sonoran (Colorado) Desert, Cottonwood Spring 915 Comment
  UCR225720  Lupinus sparsiflorus A. C. Sanders 2011-3-30 38907 Riverside Peninsular Range, city of Lake Elsinore, along north edge of Hwy 74 at and above Trellis Lane 457 Comment
  RSA613470  Lupinus truncatus D. L. Banks, Victor W. Steinmann 1997-3-13 1451 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  SBBG53757  Lupinus truncatus S. Boyd 1980-5-11 Riverside Harford Springs County Park, NW corner of Gavilan plateau, N border of park Comment
  SEINET10870706  Lupinus truncatus Earl W. Lathrop 1969-5-8 Lathrop 7013 Riverside Main divide truck; trail between el carrison and san mateo canyon. Cleveland National forest. Chaparral with southern oak woodland. Santa ana mountains. 1219 Comment
  JEPS11770  Lycium andersonii F. M. Reed 1842-12-5 Riverside Riverside Comment
  JOTR30114  Lycium andersonii La Doux, Tasha, Bill Truesdell, Erin Babich 2008-3-10 1681 Riverside Joshua Tree National Park. Stop #1 = Upper Wilson Canyon 993 Comment
  RSA0094881  Lycium andersonii Jim M. Andre 2012-4-11 20682 Riverside Little San Bernardino Mountains; Hidden Tank Picnic Area, 1.4 mi. SW of paved road (Utah Trail) to Cottonwood Spr, approx. 8 mi. south of North Entrance Sta., N. end of Hexie Mtns. 1076 Comment
  RSA422107  Lycium andersonii M. B. Dunkle 1935-3-31 4442 Riverside Cottonwood Springs. Colorado Desert 701 Comment
  RSA525671  Lycium andersonii Steve D. Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4542 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  SEINET3825223 Image available Lycium andersonii Philip A. Munz 1940-3-22 15653 Riverside Whitewater Canyon, 2 miles north of Boulevard from Banning to Indio Comment
  UC140137  Lycium andersonii C. F. Baker 1904-4-4 4145 Riverside Elsinore Comment
  UCR216228  Lycium andersonii Jim Andre, T. La Doux 2009-2-28 10841 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park, SE Little San Bernardino Mountains, along Berdoo Canyon Rd (dirt), c. 2.5 mi. north of JTNP boundary, c. 5 miles north of Dillon Road 744 Comment
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Dec 11 2011
  RSA4924  Lycium andersonii var. deserticola Carl B. Wolf 1932-4-28 s.n. Riverside Mesa at S.W. edge of Maria Mts., eastern Colorado Desert, 10 mi. from Blythe on the Rice rd 152 Comment
  UC495290  Lycium cooperi C. L. Hitchcock 1932-4-8 12217 Riverside 1 mi w Cottonwood Comment
  RSA699021  Lycium pallidum var. oligospermum J. Russell Bruff 1929-12-29 454 Riverside 2 mi. NW Dos Palmas. Comment
  UC303698  Lycium torreyi Ivan Johnston 1917-4-4 Riverside Palm Canyon Comment
  UCR101460  Lythrum californicum A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22238 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of lower Millard Canyon 854 Comment
  UCR89978  Lythrum californicum Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  CSUSB1727  Lythrum hyssopifolia Deborah Sullivan 1973-7-9 Riverside Glen Avon, Riverside. 243 Comment
  SD70892  Lythrum hyssopifolia Helen V. Witham 1969-7-2 174 a Riverside Common near drainages, pools, etc. De Luz Creek crossing, 4 mi. N. of De Luz. 249 Comment
  UCR6385  Lythrum hyssopifolia O. F. Clarke 1967-6-16 s.n. Riverside University of California, Riverside, Greenhouse 16 [near East Campus Dr. and Eucalyptus Dr.] Comment
  RSA160518  Machaeranthera asteroides var. asteroides J. Olmstead 1959-9-23 1000 Riverside Base of San Jacinto Mtns. Valle Vista along road crossing of dry wash at junction of roads from Hemet and San Jacinto. Bautista Cyn. / San Jacinto Riv. drainage. 549 Comment
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Mar 27 2011
  RSA575859  Machaeranthera asteroides var. asteroides Steve Boyd 1980-9-22 s.n. Riverside Lakeview Mountains, Juniper Flats area along Juniper Flats Rd. at '4 J's Ranch.' Comment
  UCR256788  Malacothamnus fasciculatus T. B. Salvato, Matthew Malle 2013-5-20 7571 Riverside Perris-Aguanga Basin, Menifee, east of Railroad Canyon and west of Hyw I-215. Murrieta Road between Newport Road and La Piedra Road 454 Comment
  RSA574751  Malacothrix californica Steve Boyd 1983-6-21 s.n. Riverside Gavilan Hills region, Gavilan Plateau, south of Harford Springs Country Park, just south of Ida-Leona Road and west of Piedras Road 610 Comment
  RSA586865  Malacothrix clevelandii D. L. Banks, S. D. Boyd 1995-5-3 0284 Riverside NW Palomar Mountains; Agua Tibia Mountains;Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  JOTR36447  Malacothrix glabrata La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3417 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; just west of bend in Hwy 177 near park boundary; desert pavements w/ braided rivulets (Stop 1) 213 Comment
  POM362312  Malacothrix glabrata N. C. Cooper 1949-4-8 3260 Riverside Mecca Pass east of Indio. 457 Comment
  POM362313  Malacothrix glabrata N. C. Cooper 1949-4-8 3296 Riverside Desert Center. 609 Comment
  UC1595711  Malacothrix glabrata W. Wisura, A. King, and L. Newcomb 1992-4-10 4669 Riverside below Morongo Valley (Mission Creek Ranch, w of Hwy 62) Comment
  UCR86853  Malacothrix glabrata A. C. Sanders, J. Dice, K. Rose, D. Woodard 1995-3-29 16274 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 427 Comment
  CAS-BOT-BC475160  Malosma laurina A. C. Sanders; Jeff Crain; Nina Kidd 2015-5-19 41729 Riverside Temesal Canyon, hilltop above DePalma Rd., about midway between Horse Thief Canyon Rd. and Glen Eden Rd. 399 Comment
  UCR176693  Malva parviflora R. D. Goeden, Don W. Ricker 1965-6-10 s.n. Riverside Peninsular Range, Murrieta Township, Rancho Pauba, Hwy 71 [=79] at Temecula River Comment
  UCR278868  Malvella leprosa Mitch Provance 2011-6-9 17196 Riverside Santa Ana River Valley, Jurupa Valley, Pedley area, Horseshoe Lake, west of Van Buren Blvd., west of the corner and Studio Pl. and Lakeview Ave. 219 Comment
  RSA771758  Marah macrocarpa Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4635 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR113207  Marah macrocarpa A. C. Sanders 1998-3-11 21657 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
  UCR133354  Marah macrocarpa Tracy Tennant, J. S. Ross 1998-5-7 MOR- 119 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Wood Canyon (polygon W8), c. 0.6miles NNW of Cabazon. 1280 Comment
  UCR215516  Marah macrocarpa Daphne K. Christopher, Hannah I. Stevens 2003-4-4 092 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve, off Sage Road 530 Comment
  JEPS78484  Marah macrocarpa var. macrocarpa Marjorie D. Clary 1932-3-20 1476 Riverside 10 mi ne Garnet (Mission Creek); Colorado Desert, Mission Creek 457 Comment
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Apr 5 2011
  RSA612361  Marah macrocarpa var. macrocarpa D. L. Banks, Joe Moreno 1997-2-5 1261 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border,, including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  RSA113922  Marina parryi Percy C. Everett, E. K. Balls 1956-5-2 21554 Riverside 4 miles North from turnoff Hwy. 60/70, W of Desert Center, on road to Eagle Mt. Pumping Station. 305 Comment
  RSA699192  Marina parryi J. R. Bruff 1928-4-5 205 Riverside Between Wiley Well and Beals Well. Comment
  SD143254  Marina parryi James C. Dice, Kimberly A. Nicol 1998-3-24 980324 1D Riverside 9.0 miles north of Desert Center, along State Highway 177. 163 Comment
  UCR211471  Marina parryi Tasha La Doux, Jim Andre 2008-9-13 266 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park, upper Wilson Canyon on east side of paved highway 991 Comment
  UCSB59678  Marina parryi Boyd, Steve; Meury, S.; Noyes, R. 1988-3-10 Riverside N end Palen Mtns., 2 mi. west of Palen Pass 300 Comment
  CLARK-A1528-5367  Marsilea vestita John C. Roos 1965-6-30 Riverside Perris Comment
  UCR23347  Marsilea vestita John C. Roos 1965-9-16 s.n. Riverside Lakeview Comment
  UCR155078  Matricaria matricarioides A. C. Sanders, Kelly Volansky 2005-3-17 29228 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  RSA0012172  Matricaria occidentalis A. C. Sanders, T. B. Salvato 2011-3-28 38817 Riverside Menifee Valley, between Sun City and Perris, from McLaughlin & Evans roads intersection east to I-215 Fwy 434 Comment
  UCR116900  Matricaria occidentalis A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24198 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
  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
  JOTR16780  Melica bulbosa Walters, Jim 1967-4-30 s.n. Riverside Joshua Tree National Park. STIRRUP TANK 1097 Comment
  UCR112402  Melica frutescens A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23442 Riverside Menifee Valley, S of Newport Rd., north of Holland Rd. and east of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  OBI74467  Melica imperfecta David J. Keil 1983-4-15 16895 Riverside E of Temecula on SR79 Comment
  SEINET2473423 Image available Melica imperfecta Andrew C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-1 37742 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-15 400 Comment
  UCR214272  Melica imperfecta A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37742 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
  UCR265600  Mentzelia Jordan Zylstra 2014-3-18 14002 Riverside San Jacinto Mountains, Apple Canyon, west of Apple Canyon Road 1453 Comment
  HSC85404  Mentzelia affinis Steve Boyd 1986-4-20 1722 Riverside Gavilan Hills: Santa Rosa Rd. just W of Piedras Rd. Comment
  RSA522738  Mentzelia affinis Steve Boyd, L. Arnseth 1990-3-29 3845 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
  JOTR30241  Mentzelia albicaulis Leary, C. and Leary, Pat 1979-5-5 2984 Riverside Joshua Tree National Park. Burned area north of Smithwater Canyon, Joshua Tree N.M., T2S R&E sec 6. Comment
  JOTR34131  Mentzelia albicaulis Andre, Jim, T. La Doux, R. B. Kelley 2011-5-4 21094 Riverside Joshua Tree National Park. Long Canyon, upper watershed on east ridge, 1.1 miles south of radio tower, approx. 6 mi. south of town center of Yucca Valley 1206 Comment
  JOTR34006  Mentzelia involucrata La Doux, Tasha, M. Harding 2010-4-7 2894 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  POM306693  Mentzelia involucrata Henry J. Ramsey, Henry J. Ramsey 1938-4-26 1689 Riverside Near Desert Center-Indio. Comment
  SBBG20039  Mentzelia involucrata D. Myrick 1964-3-26 788 Riverside 15 mi S of Twentynine Palms, Joshua Tree Nat Monument 762 Comment
  RSA444554  Mentzelia involucrata var. megalantha Walter Wisura 1988-3-1 4198 Riverside Colorado Desert. 4.7 miles from Interstate 10 along Box Canyon Road toward Mecca, in gravelly bajada. Comment
  RSA771099  Mentzelia laevicaulis Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4719 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 W116.65125 604 Comment
  JEPS26731  Mentzelia longiloba Marjorie D. Clary 1936-3-20 2595 Riverside Forty miles north of Desert Center on the road to Webber City. North Colorado Desert. Comment
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Aug 28 2016
  UC1004770  Mentzelia longiloba E. C. Jaeger 1939-12-16 Riverside Chuckwalla Springs 182 Comment
  RSA0127361  Mentzelia longiloba var. longiloba Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 961 Riverside Blythe-Rice Road, East/Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing. 243 Comment
  UC367106  Mentzelia tricuspis J. G. Lemmon and wife Apr. 1886 Riverside San Gorgonio, Mohave Comment
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Jul 20 2011
  UCD117398  Mentzelia veatchiana Geoffrey Levin 1975-4-26 488 Riverside Mayhew Canyon, 1.5 miles southeast of Glen Ivy on Highway 71. 335 Comment
  UCR48524  Mesembryanthemum nodiflorum Steve Boyd 1986-4-19 1713 Riverside Peninsular Range, Temescal Canyon, Warm Springs Valley, Alberhill Creek east of Nichols Road 366 Comment
  UCR67371  Microseris douglasii subsp. platycarpha Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4108 Riverside Peninsular Range, Vail Lake Area, E flank of Oak Mtn, just south of E summit. 701 Comment
  UCR97275  Microseris douglasii subsp. platycarpha D. E. Bramlet 1995-4-26 2398 Riverside Perris-Aguanga Basin region, Lake Skinner County Park, S facing slope adjacent (N) of the water tank maintenance road (road from BM 1487), c. 671m east of the entrance road, at junction of maintenace road and road to Tucalota Creek 476 Comment
  POM15164  Microseris lindleyi Mary F. Spencer 1922-4-23 160 Riverside Maillard Canyon, prope [near] Banning. 701 Comment
  SEINET10796646  Mimulus J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12837 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then a few kilometers on Whitewater Canyon Road to where it comes closest to the river. Comment
  JOTR32028  Mimulus aurantiacus Herskovits, Tasya & Harding, Mitzi 2011-4-28 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mtns, Queen Valley; east side of Lost Horse Rd.; west facing side of boulder outcrops 1243 Comment
  POM8576B  Mimulus aurantiacus var. pubescens I. M. Johnston 1920-5-8 2282 Riverside Butte west of Lakeview. 610 Comment
  RSA19934  Mimulus aurantiacus var. puniceus I. W. Clokey 1930-4-15 4728 Riverside Perris to Gavalian Peak 600 Comment
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Nov 8 2011
  RSA442714  Mimulus aurantiacus var. puniceus Ora M. Clark 1929-3-2 1630 Riverside Near Elsinore. Comment
  UC1221006  Mimulus aurantiacus var. puniceus Beecher Crampton 1963-5-7 6781 Riverside 2 mi w Lakeland Village; Elsinore Mountains, Cleveland National Forest 609 Comment
  UC943864  Mimulus aurantiacus var. puniceus H. E. McMinn, M. Van Rensselaer 1945-6-7 1900 B Riverside Temecula Grade Comment
  UCR91608  Mimulus aurantiacus var. puniceus D. L. Banks, Steve Boyd 1995-3-30 0132 Riverside Agua Tibia Mountains Watershed, Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., west of the Dripping Springs Alcove, on the Woodchuck Trail 634 Comment
  RSA784741  Mimulus bigelovii Duncan S. Bell 2012-2-12 3086 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  HSC82815  Mimulus bigelovii var. bigelovii A. C. Sanders, Pitzer, Charlton, Kniffin 1986-3-3 6101 Riverside Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the S 489 Comment
  JOTR35217  Mimulus bigelovii var. bigelovii La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 3641 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; west Pinkham Wash (Stop 2) Comment
  RSA305911  Mimulus bigelovii var. bigelovii Fay A. MacFadden 1940-3-17 15294 Riverside Road from 29 Palms to Indio, 2/3 of way to Indio. San Bernardino Mtns Comment
  RSA420965  Mimulus bigelovii var. bigelovii N. C. Cooper 1949-4-8 3318 Riverside Desert Center. 610 Comment
  UC26926  Mimulus floribundus H. M. Hall 1901-7 2579 Riverside Tamarack Valley San Jacinto Mountains 2499 Comment
  JEPS86974  Mimulus fremontii var. fremontii David M. Thompson 1988-4-8 869 Riverside 0.4 mi s Indian Valley Truck Trail interchange (I-15) (along frontage road on ne side of interstate, near summit of s bank of creek); Indian Creek 350 Comment
  UCR114543  Mimulus guttatus A. C. Sanders, K. C. Rose 1999-6-18 22811 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave. near Rawson Rd. 451 Comment
  JOTR01207  Mimulus guttatus Cole, James E. 1941-5-27 792 Riverside Joshua Tree National Park. BARKER DAM 1310 Comment
  UCR67357  Mimulus palmeri Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-2 4007 Riverside Peninsular Range, Vail Lake area, lower slopes of Agua Tibia Mtn. along Hwy 79, east of USFWS Dripping Springs Guard Station 610 Comment
  UCR111971  Mimulus pilosus A. C. Sanders, T. B. Salvato 2000-5-25 23402 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  CAS-BOT-BC388773  Minuartia douglasii Steve Boyd 1986-4-22 1773 Riverside Temescal Canyon: Terrace escarpment E side of Indian Wash, S of I-15 Comment
  SEINET186897  Mirabilis bigelovii var. retrorsa P. A. Munz 1940-3-22 15654 Riverside Whitewater Canyon 2 mi N of boulevard to Indio Comment
  JEPS61301  Mirabilis laevis var. crassifolia W. L. Jepson 1914-5-25 6073 Riverside San Gorgonio Pass 548 Comment
  RSA0027987  Mirabilis laevis var. crassifolia Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mtns., ca 1 mi SE of town on [of] Nuevo. 640 Comment
  SD123928  Mirabilis laevis var. retrorsa Robert Thorne, Fosberg, et al 1983-4-23 55411 Riverside San Befrnardino Mountains; mouth of Whitewater Canyon, east of Whiotewater Post Office at south end of ridge, in sandy wash east of bridge and on base of west-facing slope of ridge. 410 Comment
  UC465723  Mirabilis laevis var. retrorsa E. E. Schellenger 1911-4-25 Riverside Point of Rocks, White Water River Comment
  RSA0120233  Mirabilis multiflora Duncan S. Bell, Thomas Stoughton 2016-4-14 9285 Riverside Santa Rosa Mountains; near the head of Deep Creek and near the trailhead of the Cactus Spring Trail, at an old mining area above this trail. 1219 Comment
  CLARK-A1528-4223  Mohavea confertiflora John C. Roos 1958-3-29 Riverside Orocopia Mountains 304 Comment
  POM308421  Mohavea confertiflora Henry J. Ramsey, Henry J. Ramsey 1939-11-28 3099 Riverside 10 miles east of Indio. Comment
  RSA0049856  Mohavea confertiflora Jim Andre 2014-1-27 26665 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  RSA408757  Mohavea confertiflora E. S. Spalding 1926-2-13 s.n. Riverside Colorado Desert. Box Ca - on on Blythe Road. Comment
  UCR50645  Mohavea confertiflora B. A. Prigge 1988-2-21 7846 Riverside Sonoran (Colorado) Desert, Orocopia Mtns. 2 mi west of Clemens Well 229 Comment
  SEINET10548358  Mohavea confertiflora David B. Dunn 1946-2-22 Dunn 1966 Riverside Collected in mud flats dry, caked and split. All american canal catch basin from Desert washes. Oracopia mts ne of the saltan sea. Very arid country. Comment
  UC489171  Monardella australis subsp. australis C. V. Meyer 1928-7-26 548 Riverside San Jacinto Mt. 2895 Comment
  UC25463  Monardella breweri subsp. lanceolata H. M. Hall 1901-6 2527 Riverside San Jacinto Mountains. In vicinity Strawberry Valley 1584 Comment
  UCR112806  Monardella breweri subsp. lanceolata A. C. Sanders 1997-5-1 20620 Riverside Lake Skinner area, Rawson Canyon c. 1 mi. due west of summit of Black Mountain, along dirt road to Crown Valley 549 Comment
  CAS-BOT-BC215500  Monardella nana Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild Comment
  UC1499821  Monardella nana Elizabeth McClintock 1941-7-21 125 Riverside San Jacinto Mts. Trail to Hidden Lake, a short distance beyond the creek which is above Willow Creek. Comment
  UC1499891  Monardella nana Elizabeth McClintock 1941-5-31 54 Riverside About 5 miles from Anza Monument turn off Comment
  UC25476  Monardella nana H. M. Hall May 1901 1852 Riverside Between Van Deventers and Palm Canyon eastern base of mountains along the borders of the desert, San Jacinto Mountains, Colorado Desert 1219 Comment
  RSA750391  Monardella nana subsp. arida C. Epling, H. Lewis 1942-6-17 s.n. Riverside Vanderventer Flats, on Pines to Palms Highway, Santa Rosa Mountains. Comment
  RSA97669  Monardella nana subsp. arida R. M. Straw 1954-6-10 607 Riverside Mountain Home Spring, Santa Rosa Mountain, San Jacinto Mountains. Comment
  RSA750271  Monardella nana subsp. tenuiflora Elizabeth McClintock, H. Lewis 1941-6-22 70 Riverside Stne Creek on the Banning-Idyllwild road. Comment
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Mar 1 2014
  UCR266415  Monolepis nuttalliana D. E. Bramlet, M. Tucker, T. Huntley 2005-6-14 3880 Riverside San Jacinto Valley, Bloome property, 540 m north of San Jacinto River, 3150 m east of Davis Rd. at San Jacinto Wildlife Area, south of Mystic Lake Duck Club 433 Comment
  CAS-BOT-BC349784  Monoptilon bellioides Faulkner 1978-3-21 334 Riverside 9 miles N. of Blythe on Hwy 95 152 Comment
  UC1786301  Monoptilon bellioides Dale E. Johnson with J. L. Strother 1974-4-25 98 Riverside Palm Desert, wash just NW of turnoff to Hemet on California 111 (Palm Springs-Banning rd). Comment
  RSA65658  Montia fontana F. W. Peirson 1922-5-20 s.n. Riverside Hemet Valley. (San Jacinto Mountains) 1402 Comment
  RSA69814  Muhlenbergia asperifolia J. C. Roos 1951-9-25 5257 Riverside West end Fairmount Park 259 Comment
  CLARK-A1528-4756  Muhlenbergia microsperma John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  CAS-BOT-BC274911  Muhlenbergia rigens W. R. Dudley 1903-12-25 s.n. Riverside Mouth of Tahquitz Creek near Palm Springs 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
  CAS-BOT-BC83348  Myosurus minimus Frank W. Peirson 1922-5-19 4171 Riverside Menifee Valley. Comment
  RSA721838  Nama demissa J. R. Bruff 1927-3-12 3 -F Riverside Whitewater. Comment
  SBBG35144  Nama demissa T. L. Secrest 1948-4-7 Riverside near Desert Hot Springs 213 Comment
  RSA718304  Nama demissa Michael Honer, L. Hulse 2004-4-2 1886 Riverside East Wide Canyon; near MWD aqueduct, appx 2 mi. N of Dillon Rd. 488 Comment
  POM73704  Nama demissa var. deserti Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  RSA74719  Nama hispida var. revoluta E. C. Jaeger 1922-4-9 5458 Riverside Wiley s Well, 20 miles SW of Blythe. Comment
  RSA700105  Navarretia atractyloides Virginia Moran 2003-5-28 s.n. Riverside Wilson Valley Mitigation Bank, managed by the Center for Natural Lands Management: Section 33 of two that comprise mitigation bank. (Section 27 & 33). Accessed from Wilson Valley Road. Comment
  UCR57139  Navarretia atractyloides Ed LaRue 1989-6-14 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, east edge of Plateau overlooking town of Murrieta; c. 1.25 mi west of town and c. 1 mi (airline) east of De Luz Road 549 Comment
  UC1333285  Navarretia hamata subsp. hamata Charles B. Fiker 1946-6-17 3583 1/2 Riverside San Mateo Canyon Comment
  RSA356986  Navarretia prostrata R. F. Thorne 1973-5-23 43867 Riverside Santa Rosa Plateau-Mesa De Colorado. 609 Comment
  UC77717 Image available Nemacaulis denudata var. gracilis S. B. Parish 1896-4-1 4140 Riverside Palm Springs Colorado Desert; Colorado Desert, Palm Springs Comment
  UCR245658  Nemacaulis denudata var. gracilis Duncan S. Bell 2010-4-2 684 Riverside Arica Mountains: west side of the mountain range within the Palen/McCoy Wilderness; c. 3 air miles northwest of Priest Well 477 Comment
  RSA727601  Nemacladus glanduliferus var. orientalis Naomi Fraga, Lisa Rojas 2005-2-10 1390 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  UC1051455  Nemacladus orientalis Herbert L. Mason 1952-4-7 14211 Riverside Palm Canyon; Palms Springs Comment
  SEINET10461021  Nemacladus pinnatifidus Willis L. Jepson 1928-4-25 Jepson 12601 B Riverside Cottonwood Springs, Eagle Mountains, Colorado Desert 732 Comment
  CAS-BOT-BC536485  Nemacladus ramosissimus A. C. Sanders; D. Malueg 2003-5-8 26570 Riverside Perris-Aguanga Basin region: Los Alamos Road at Warm Srpings Creek crossing W of Hwy 79, NE of the Hogbacks, N of Los Alamos Rd, and E of the creek 396 Comment
  RSA0124735  Nemacladus ramosissimus Duncan S. Bell, LeRoy Gross 2016-3-31 9193 A Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 6 air miles southeast of the summit of Martinez Mountain. 492 Comment
  UC29177  Nemacladus ramosissimus Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  RSA79151  Nemacladus rubescens P. A. Munz, Percy C. Everett 1952-5-2 16249 Riverside 2 miles west of Desert Hot Springs 183 Comment
  UC64327  Nemacladus sigmoideus H. M. Hall Jun 1901 2046 Riverside vicinity Chalk Hill; San Jacinto Mountains 1524 Comment
  UC668348  Nemacladus sigmoideus Annie M. Alexander and Louise Kellogg 1941-4-24 2076 Riverside gorge of Dry Morongo Creek (Morongo Valley); Morongo Valley 640 Comment
  UCSB10586  Nemophila menziesii Wedberg, H. 1957-3-22 Riverside Hwy. 71, near Alberhill Comment
  UCR111549  Nicotiana acuminata var. multiflora Mitch Provance 1999-5-4 1703 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  RSA653431  Nicotiana attenuata Scott D. White 1999-5-24 7399 Riverside San Jacinto Valley, San Jacinto River wash: Just N of City of San Jacinto, about 1 mile SE of State St. Bridge. 448 Comment
  RSA426680  Nicotiana bigelovii var. wallacei Jeannette B. Edge 1934-3-25 18929 Riverside Jurupa Mountains. Comment
  RSA426748  Nicotiana clevelandii Anstruther Davidson 1893-4-12 s.n. Riverside Palm Springs. Comment
  RSA426702  Nicotiana glauca N. C. Cooper 1943-9-26 1015 Riverside Cabazon. 549 Comment
  JOTR37484  Nicotiana obtusifolia Heintz, James, A. Ingersoll 2015-10-29 s.n. Riverside Joshua Tree National Park. Cottonwood Mountains, tributary to Cottonwood Canyon, near Wood Spring Comment
  UCR202032  Nicotiana obtusifolia Denise Woodard 1998-6-11 s.n. Riverside Sonoran (Colorado) Desert, base of Santa Rosa Mtns. at mouth of Cathedral Canyon, border between Rancho Mirage and Cathedral City, site of proposed Ritz-Carlton Rancho Mirage/ Cathedral Canyon Golf Course 305 Comment
  RSA0060152  Nicotiana quadrivalvis Scott D. White 2005-7-6 11156 Riverside San Gorgonio Pass: Cabazon. Toeslope of San Jacinto Mtns. and adjacent alluvial fan west of San Gorgonio River and south of I-10 Freeway. 579 Comment
  RSA0060150  Nicotiana quadrivalvis Scott D. White 2000-5-1 7741 Riverside Corona: Western foothills of Santa Ana Mountains near Bedford Canyon. 351 Comment
  RSA0060159  Nicotiana quadrivalvis D. L. Banks 1997-3-1 1369 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and along Pechanga Creek. 329 Comment
  LA29048  Nolina parryi Mary V. Hood; 1939-12-30 39- 160 k* Riverside Palms to Pines Highway 1158 Comment
  SEINET3894804  Nolina parryi D. W. McNeal 1981-5-19 2542 Riverside Beside the Ryan Mtn trail about 0.3 mi. s. of the trail head parking area. Joshua Tree Nat. Mon.; 0 Comment
  UCR24197  Nolina parryi John C. Roos, Lucille Roos 1949-4-23 4282 Riverside Sonoran (Colorado) Desert, Eagle Mtns., Munsen Canyon Comment
  RSA85863  Notholaena californica subsp. californica F. W. Peirson 1922-5-21 3053 Riverside about 4 miles north of San Jacinto 457 Comment
  POM9934  Notholaena californica subsp. californica F. W. Peirson 1920-2-15 s.n. Riverside Palm Springs, Tahquitz Camp. Comment
  UCD124111  Nuttallanthus texanus Steve Myers 24-25 Feb 1988 s.n. Riverside Temescal Canyon, ca. 1/4 mi. west of intersection of Highway I-15 and Indian Truck Trail. 381 Comment
  CAS-BOT-BC171495  Oenothera californica Roxana S. Ferris; Ruth P. Rossbach 1938-5-20 9666 Riverside Between Riverside and Ontario Comment
  CDA38122  Oenothera californica T. C. Fuller 1958-9-23 2196 Riverside 3 miles east of Anza. 0 Comment
  RSA146287  Oenothera californica subsp. californica William M. Klein, R. K. Benjamin 1960-3-22 1303 Riverside Along California State Hwy 74 approximatley 12 miles east of the junction of the Aguanga-Anza road. Comment
  UC20447  Oenothera californica subsp. californica H. M. Hall June 1901 2143 Riverside along borders of Colorado Desert eastern base of San Jacinto Mountains Comment
  SEINET3092710 Image available Oenothera deltoides John Adams 1966-3-12 459 Riverside Cathedral City, corner of Palm Canyon and Araby. Comment
  SEINET5345713  Oenothera deltoides var. deltoides H. M. Hall 1904-5-20 4952 Riverside Viciniity of Riverside, along S.P.R.R. 262 Comment
  RSA719038  Oenothera primiveris Michael Honer 2005-3-11 2062 Riverside Rice Valley; 4.5 mi. SSE of Rice; 1.5 mi. E of ATSF railway. 220 Comment
  POM14009  Oenothera primiveris subsp. bufonis P. A. Munz, D. D. Keck 1922-4-9 4748 Riverside Shavers Well, near Mecca. 76 Comment
  RSA4934  Oligomeris linifolia Carl B. Wolf 1932-4-27 3063 Riverside North base of Chuckwalla Mountains, 5 miles East of Desert Center, Colorado Desert. 152 Comment
  UCR148476  Oligomeris linifolia John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  UCR214704  Oligomeris linifolia A. C. Sanders, Richard Dwerlkotte 2010-3-22 37521 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 1.5 mi. SE of Sidewinder Well, south end of Palen Dry Lake, SW of Palen Mtns. 130 Comment
  HSC47329  Olneya tesota Richard Spjut, C. E. Edson 1978-5-6 5025 Riverside Colorado Desert; N face of Chuckawalla Mountains, ca. 2.7 miles south of Desert Center 335 Comment
  UC165053  Olneya tesota S. B. Parish 1912-6-28 8123 Riverside Mecca; Salton Basin Comment
  UC667258  Olneya tesota Annie M. Alexander and Louise Kellogg 1941-5-17 2194 Riverside 5 mi w Mecca; Colorado Desert Comment
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Jun 15 2013
  SBBG128747  Oncosiphon piluliferum R. E. Riefner Jr. 2012-3-31 12 -63 Riverside City of Hemet, N of Florida Ave and S of W Devonshire Ave and E of Meyers St 461 Comment
  UCR137332  Oncosiphon piluliferum A. C. Sanders 2004-4-9 27479 Riverside Perris Valley, Ramona Expressway at east end of Lake Perris dam 457 Comment
  UCR232355  Oncosiphon piluliferum John F. Green 2008-4-15 0408- 22 Riverside Peninsular Range; Perris-Aguanga Valley, Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave., east of Day St. 523 Comment
  SEINET848197  Opuntia acanthocarpa C. B. Wolf, P. C. Everett 1939-1 3349 Riverside San Jacinto Range, Deep Canyon on Palms-Pines road, 2 miles below pinyon flat F.S. Camp; 1066 Comment
  SEINET9037813 Image available Opuntia basilaris var. basilaris M. A. Baker, Michelle Cloud-Hughes 2015-1 18416 Riverside 1.5km north of the historic site of Whitewater, 16km NW of central Palm Springs, low slope to the west side of wash, granitic silt, fine sand, and gravel 474 Comment
  UC1313040  Opuntia basilaris var. basilaris Anne Harrison 1962-4-17 28 Riverside on Whitewater Canyon Rd 1/4 mi s; trout farm where road crosses Whitewater River (n of US Hwy 60) Comment
  RSA303531  Opuntia echinocarpa J. R. Shevock 1971-5-8 1035 Riverside Near Cottonwood, Joshua Tree National Monument. 915 Comment
  RSA0002173  Opuntia erinacea var. paucispina M. B. Dunkle 1934-11-3 4236 Riverside Ribbonwood, Santa Rosa Mt. Comment
  RSA527149  Opuntia parryi Marc Baker, R. Johnson 1990-5-20 7839 Riverside southeast of Bernasconi Hills. 451 Comment
  POM12614  Opuntia phaeacantha P. A. Munz, I. M. Johnston 1922-5-21 5572 Riverside San Jacinto Mountains. Near Gilman Relief Hot Springs. Comment
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Mar 13 2011
  CAS-BOT-BC56225  Opuntia polyacantha var. erinacea C. B. Wolf; P. C. Everett 1938-9-29 9457 Riverside Field redacted by CAS, contact the data manager for more information 1219 Comment
  RSA5552  Opuntia ramosissima B. D. Stark 1932-6-15 3736 Riverside Base of Eagle Mountains above Utopia, Colorado Desert. 229 Comment
  POM59001  Opuntia vaseyi L. R. Abrams 1908-07 s.n. Riverside Elsinore. Comment
  SD217186  Orcuttia californica D. Bramlet 1992-4-29 2253 Riverside Winchester 7.5 USGS; site is approximately 8 kilometers southwest of Hemet; vernal pools are located northwest of the intersection of California Avenue and Stowe Road (5-500 feet north of Stowe Road and 20-700 feet west of California Avenue) 455 Comment
  JEPS85952  Orobanche cooperi L. R. Heckard with R. Bacigalupi 1977-3-15 4530 Riverside along Rice Rd. ca. 16 mi. n.e. Desert Center Comment
  RSA0072125  Orobanche cooperi G. K. Helmkamp 1998-4-4 3144 Riverside Southern Mojave Desert: junction of CA Hwy 62 (Twentynine Palms Hwy) & CA Hwy 177 (Desert Center-Rice Rd). 457 Comment
  UCR44205  Orobanche fasciculata A. C. Sanders 1986-6-1 6561 Riverside San Jacinto Mountains, Trail toward Spitler Peak from 'Hurkey Creek Camp to Bonita Vista' [=Apple Canyon] Road 1829 Comment
  RSA80322  Orthocarpus densiflorus var. gracilis F. W. Peirson 1930-5-10 8776 Riverside Summit St John's Grade., south of Hemet. 762 Comment
  POM121835  Oxytheca trilobata Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  RSA434256  Paeonia californica Christopher Davidson 1973-4-1 1805 Riverside Agua Tibia Mountains. Highway 71/79 approximately 7 miles from junction of US 395 South. 412 Comment
  RSA518449  Paeonia californica C. W. Tilforth, D. Tilforth 1977-3-6 1264 Riverside 0.3 miles E of El Cariso Forest Station, W of Lake Elsinore, Hgwy 74 and Forestry Rd. 6S06. Comment
  CAS-BOT-BC327899  Palafoxia arida Ira L. Wiggins 1941-3-24 9573 Riverside Along eastern side of Salton Sea, 2.7 miles S of Mortmar Comment
  JOTR38667  Palafoxia arida var. arida Hodges, Stephen R. 2017-2-1 673 Riverside Joshua Tree National Park. Eagle Mountains, South East facing sand ramps near the aqueduct road Comment
  RSA339626  Palafoxia arida var. arida R. F. Thorne, C. W. Tilforth 1980-5-28 54160 Riverside San Bernardino Mountains, dry, Colorado Desert slopes, S-facing and W-facing, N-S rocky ridge at E side of Whitewater River at mouth of canyon, ca. 1/4-1/2 miles E of Whitewater Post Office. Comment
  UC1537047  Palafoxia arida var. arida Gordon H. True 1938-3-15 976 Riverside e Indio (near Kane Springs) 3 Comment
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Feb 24 2013
  RSA674758  Panicum acuminatum var. acuminatum Scott D. White, Teresa Salvato 2001-6-8 8573 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  UCR19663  Panicum alatum var. minus John C. Roos 1965-10-17 s.n. Riverside Sonoran (Colorado) Desert, roadside 20 miles west of Blythe 120 Comment
  UCR111571  Panicum capillare Mitch Provance 1998-7-23 903 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 305 Comment
  CLARK-A1528-4788  Panicum urvilleanum John C. Roos 1737-4-28 1283 Riverside Whitewater Comment
  SD204783  Panicum urvilleanum Sarah J. De Groot, J. Mark Porter 2006-3-14 5199 Riverside North foot of San Jacinto Mountains between Snow Creek Road and Highway 111. 366 Comment
  SEINET10788753  Panicum urvilleanum Sarah E. Youngstrom, J. Travis Columbus 2007-5-23 Youngstrom 1 Riverside Just E of San Jacinto in San Jacinto River, 100-200 m N of Main St. bridge, near middle of dry river channel. 485 Comment
  UCR86012  Panicum urvilleanum George K. Helmkamp 1994-4-26 88- 5 Riverside Western Colorado Desert, Indio Hills; north of the landfill on Edom Hill 213 Comment
  UCR133169  Papaver californicum Frank C. Vasek 1978-5-6 s.n. Riverside San Jacinto Mtns., Bautista Canyon, c. 4 miles by road SSE of Valle Vista 671 Comment
  RSA0020380  Parietaria hespera Duncan S. Bell, Keir Morse 2013-3-30 4661 Riverside A small hidden spring in an unnamed canyon to the east of Snow Canyon, about 1.8 air miles southwest of Windy Point. 482 Comment
  RSA689406  Parietaria hespera var. californica Scott D. White, Michael Honer 2003-4-9 8999 Riverside Gavilan Hills: About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak '2349.' 549 Comment
  UCR92768  Parietaria hespera var. californica F. M. Reed 1908-3-29 2297 Riverside W slope of Box Springs Mtns 518 Comment
  RSA359884  Parietaria hespera var. californica Steve D. Boyd 1986-4-2 1596 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  RSA448024  Parietaria hespera var. hespera J. A. Comstock 1934-4-15 s.n. Riverside Moist shady place. Comment
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Apr 15 2015
  UC472819  Parietaria hespera var. hespera M. F. Spencer 1922-3-25 121 Riverside Eagle Canyon; Colorado Desert, Palm Springs Comment
  UCD108142  Parkinsonia florida G. H. Vansell 1928-4-1 s.n. Riverside S. Calif. and Coachella Valley. Comment
  UCSB2975  Parkinsonia florida Haller, John 1960-4-2 Riverside South side of U.S. 60-70, 5.8 miles east of Desert Center 243 Comment
  UCSB2978  Parkinsonia microphylla Leeuwen, Henry 1957-4-13 Riverside next to U.S. 60 near juncture with Cal. 195 Comment
  RSA698048  Parosela emoryi J. Russell Bruff 1929-1-1 406 Riverside 1000 Palms Comment
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Nov 9 2011
  UCR216118  Pectocarya heterocarpa Jim Andre, T. La Doux 2009-2-25 10817 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains; c. 0.5 mi. south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  SD224881  Pectocarya linearis A. C. Sanders, K. Rose & D. Woodard 1995-3-22 16202 Riverside Coachella Valley: mouth of San Gorgonio Pass, alluvial fan just E of the mouth of Whitewater Canyon between Windy Point and I-10. 366 Comment
  UCR113195  Pectocarya linearis A. C. Sanders 1998-3-11 21675 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near high water line of reservoir under construction 518 Comment
  HSC3748  Pectocarya linearis subsp. ferocula C. L. Hitchcock 1966-3-15 24150 Riverside 1 mi. E of Glen Ivy Hot Springs Comment
  VVC2877  Pectocarya linearis subsp. ferocula Tim Thomas, P. J. MacKay 2010-4-12 5047 Riverside San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw. 878 Comment
  POM368787  Pectocarya penicillata F. R. Fosberg 1932-5-9 10639 Riverside St. Johns Grade near Hemet. 770 Comment
  POM3821  Pectocarya penicillata H. M. Hall 1902-04 2943 Riverside Vicinity of Riverside 366 Comment
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Jun 22 2011
  RSA740833  Pectocarya penicillata Scott D. White, Justin M. Wood 2008-7-8 12393 Riverside Johnson Meadow. 1439 Comment
  UCR162763  Pectocarya penicillata S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  CAS-BOT-BC169709  Pectocarya peninsularis R. F. Hoover 1969-4-11 11213 Riverside Mouth of Morongo Valley Canyon Comment
  RSA703375  Pectocarya platycarpa LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1437 Riverside Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  UCR41560  Pectocarya platycarpa A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6018 Riverside Chuckwalla Valley, 1 mi west of Hayfield Lake, 2 mi SW of the pumping station on a small cutoff road from Hayfield Rd to the dirt road to the Colorado River Aqueduct 427 Comment
  SEINET241497  Pectocarya recurvata A. C. Sanders 2001-3-20 23850 Riverside Western Colorado Desert: Coachella Vlly, Garnet, N side of 19th Ave, 0.5 mi(air) NW of intersxn of I-10 & Indian Ave. 235 Comment
  UCD120134  Pectocarya recurvata Geoffrey Levin 1976-3-27 688 Riverside Chino Canyon, west of Palm Springs, alluvial fan of the San Jacinto Mountains. 396 Comment
  POM307273  Pedicularis semibarbata Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2146 Riverside Santa Rosa Mountains. Comment
  RSA0099307  Pelargonium grossularioides A. C. Sanders 2016-6-26 42518 Riverside Peninsular Range: Riverside, UCR Botanic Garden, at west edge of the herb garden. 363 Comment
  UCR90968  Pellaea andromedifolia Scott D. White 1996-2-18 3807 Riverside Perris Basin, Double Butte, NW of Winchester, SE-facing slope of west butte and alluvial soil at base 490 Comment
  SFV62  Pellaea bridgesii J. H. Wood 1958-5-30 s. n. Riverside San Jacinto Mountains 1829 Comment
  RSA686925  Pellaea mucronata P. J. Remple 1942-3-21 s.n. Riverside Whitewater Canyon. Comment
  RSA747570  Pellaea mucronata Michael Honer 2003-4-16 1830 Riverside Gavilan Hills, W slope: about 1 mile N of I-15 freeway, 1 mile E of Lake St. exit. 640 Comment
  JOTR35127  Pellaea mucronata var. mucronata La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3239 Riverside Joshua Tree National Park. West of Queen Mountain, southern end of Wonderland of Rocks; Wonderland Wash, north of Mill Street Mine parking area. Active wash corridor with sandy bottom and surrounded by granitic outcrops and pediments; with heavy foot traffic (Stop 1) 1297 Comment
  RSA507458  Pennisetum setaceum D. C. Hawks 1986-4-17 s.n. Riverside Whitewater River channel, 1 mile S of Hwy I-10 and 2 miles W of Indian Ave. 259 Comment
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Dec 20 2009
  RSA401846  Penstemon X parishii E. C. Jaeger 1929-6-8 s.n. Riverside McMullen Trail [Banning to McMullen Flat] 1280 Comment
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Nov 5 2011
  UCR178017  Penstemon X parishii Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 524 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  LA85954  Penstemon clevelandii O. H. Kappler; 1948-4-18 1656 Riverside San Jacinto Mountains, Hiway 74 1219 Comment
  SBBG119450  Penstemon clevelandii M. Provance, K. Knudsen, P. Wester 2004-5-8 9020 Riverside ca. 0.05 mi S on Santa Rosa Mtn Rd from St Hwy 74 1402 Comment
  UCR24496  Penstemon eatonii John C. Roos 1943-5-23 2676 Riverside S Mojave Desert, Little San Bernardino Mtns 1524 Comment
  UCR24920  Penstemon grinnellii A. C. Sanders 1980-7-18 1648 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  RSA786958  Penstemon heterophyllus var. australis Robert F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49543 Riverside Santa Ana Mountains: along Ortega Highway (74), perhaps 1/4 mile west of El Cariso Comment
  SD229291  Penstemon rostriflorus Dick Schwenkmeyer 2011-8-25 653 Riverside Thomas Mountain, Tool Box Springs Campground 1857 Comment
  POM50429  Penstemon spectabilis J. D. Abrams 1900-5-20 s.n. Riverside Elsinore. Comment
  RSA733710  Penstemon spectabilis R. H. McArthur 1934-5-6 s.n. Riverside East end Ortega Highway. Roadside. Comment
  UCR104933  Penstemon spectabilis A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20676 Riverside San Jacinto Mountains, N side of the range, 0.2 mi. north of Twin Pines Ranch Road on the dirt road to Brown Creek and Cabazon 1098 Comment
  SBBG133365  Pentachaeta aurea S. D. White, J. M. Wood 2008-5-15 11987 Riverside Johnson Meadow, San Jacinto Mtns 1415 Comment
  RSA0070721  Pentagramma triangularis Darin L. Banks, Steve Boyd 1995-3-15 64 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 689 Comment
  HSC79044  Peritoma arborea A. C. Sanders 1985-3-1 5391 Riverside Box Springs Canyon, near the intersection of Central Ave. & Hwy. 60, along Gernert Rd., just above the Santa Fe Railroad tracks 427 Comment
  SEINET3088941 Image available Peritoma arborea W. H. Earle, R. G. Engard 1973-10-10 153 Riverside 5 mi. north of Cottonwood Springs, Joshua Tree National Monument. Comment
  CAS-BOT-BC77474  Peritoma arborea var. angustata Aven Nelson 1930-3-1 11168 a Riverside No. of Palm Springs Comment
  CAS-BOT-BC77479  Peritoma arborea var. angustata G. D. Hanna; M. M. Hanna 1958-2-19 s.n. Riverside Orocopia Mts. Comment
  HSC79980  Peritoma arborea var. arborea James Henrickson 1973-3-18 8610 Riverside 33 mi. E of Temecula, 5-7 mi. SE of Terwilliger, at N end of Coyote Canyon Rd., first steep grade down to canyon, in wash of Coyote Canyon 762 Comment
  JEPS24878  Perityle emoryi Peter M. Ray 1949-3-6 1321 Riverside near 1000 Palms; Coachella Valley, Willis Palms Comment
  UCR214159  Perityle emoryi T. B. Salvato 2010-4-20 4057 Riverside Sonoran (Colorado) Desert, alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 189 Comment
  UCR279346  Perityle emoryi A. C. Sanders, Jim Malusa 2017-3-23 42933 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 2.3 miles east of Iris Pass 787 Comment
  CAS-BOT-BC413483  Persicaria amphibia I. M. Johnston 1918-5-30 2027 Riverside Lee Lake, Temescal Canon [Canyon] 335 Comment
  CAS-BOT-BC167757  Petalonyx thurberi K. Bonner 1977-10-28 2569 Riverside 2 mi. West of Red Cloud Road Comment
  CAS-BOT-BC167774  Petalonyx thurberi L. R. Abrams 1926-3-26 11106 Riverside Between Edom and Garnet east of San Gorgonio Pass Comment
  RSA444309  Peucephyllum schottii Walter Wisura 1988-3-1 4180 Riverside Frontage Road, off I-10, near pumping station in Pinkham Wash area. Comment
  UCR22761  Peucephyllum schottii John LaSalle 1981-2-1 s.n. Riverside Western Colorado Desert, east side of the Coachella Valley in Painted Canyon above the Mecca Hills camping area Comment
  NY1058212  Phacelia ambigua N. H. Holmgren 1973-3-21 6429 Riverside Big Maria Mountains, 12 airline miles north of downtown Blythe 290 Comment
  RSA129727  Phacelia ambigua H. S. Yates 1937-3-23 6409 Riverside 3 miles N of Palm Springs, San Jacinto Mts. 213 Comment
  RSA426005  Phacelia ambigua N. C. Cooper 1949-4-8 3258 Riverside Mecca Pass east of Indio 457 Comment
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Sep 7 2011
  RSA525296  Phacelia ambigua Walter Wisura 1991-4-28 4487 Riverside Frontage Road off I10 near pump station in Pinkham Wash area. Comment
  RSA0055045  Phacelia campanularia James R. Shevock 1971-5-8 1032 Riverside Joshua Tree Nat'l. Mon., So. entrance, Cottonwood Cyn. 457 Comment
  JEPS119490  Phacelia campanularia subsp. campanularia Clark Cowan 1978-4-23 1172 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon. Comment
  UC572562  Phacelia campanularia subsp. campanularia H. S. Yates 1937-3-24 6476 Riverside near mouth of Deep Canyon; Thermal Quadrangle 304 Comment
  SEINET3123389 Image available Phacelia cicutaria Teresa Nieto 2005-1 Riverside Peninsular Range, Agua Tibia Mountains: UC Emerson Oaks Reserve, ca 8 miles southeast of Temecula, S of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 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
  SDSU12935  Phacelia cicutaria var. hispida Jutta Buschbom 1991-6-3 39 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  UCR213624  Phacelia cicutaria var. hispida A. C. Sanders, Matthew Malle 2010-4-23 37996 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UCR96887  Phacelia cicutaria var. hispida Scott D. White 1993-3-12 1169 Riverside Near Winchester 466 Comment
  UCR37441  Phacelia ciliata Steve Boyd 1981-4-15 s.n. Riverside Gavilan Hills area, south of Lake Matthews Comment
  RSA650558  Phacelia crenulata Viki Cruz 1983-5-8 9 Riverside Near the palm oasis one mile into Magnesha Canyon, Santa Rosa Mts. Comment
  RSA0125283  Phacelia crenulata var. minutiflora Duncan S. Bell 2016-3-4 8788 Riverside Orocopia Mountains; northwestern corner of range; collecting in the Orocopia Mountains Wilderness area in an unnamed canyon approximately 3.75 air miles northwest of the summit of the range. 738 Comment
  SD237467  Phacelia crenulata var. minutiflora Dave Silverman 2010-3-30 8062 Riverside East flank of southern McCoy Mountains, 1.8 km W of Black Creek Road, 7.0 km E of McCoy Peak and 4.4 km north of I-10 182 Comment
  POM98005  Phacelia curvipes E. C. Jaeger 1926-3-28 s.n. Riverside Old Santa Rosa Village, Santa Rosa Mountains 1829 Comment
  POM74228  Phacelia distans Marcus E. Jones 1906-4-26 s.n. Riverside Indio. Comment
  RSA741605  Phacelia distans Scott D. White, Justin M. Wood 2008-6-16 12142 Riverside San Jacinto Mountains: Meadow at Quinn Flat. 1378 Comment
  UCR168242  Phacelia distans P. A. Munz 1949-4-13 13047 Riverside Sonoran (Colorado) Desert, above Cottonwood Springs, west end of Eagle Mountains 1143 Comment
  UCR262276  Phacelia distans A. C. Sanders 2006-5-13 32288 Riverside Peninsular Range, 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
  RSA718831  Phacelia distans Michael Honer, L. Hulse 2004-4-3 1920 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. Peninsular Ranges, San Ysidro Mountains: W side of Otay Mtn; 1.5 km SSE of Savage Dam (Otay Lake); N of County Prison; near tributary to Otay River, N of O Neal Canyon. 610 Comment
  CAS-BOT-BC145043  Phacelia keckii John Thomas Howell 1931-5-30 6611 Riverside Santiago Peak, Santa Ana Mts. 1219 Comment
  CSUSB147  Phacelia minor Mike Meloy 1964-5-7 640507 6 Riverside Box Springs Mountains Box Springs Mountain- Lower slopes. 365 Comment
  RSA581748  Phacelia minor M. Wall, L Fuentes 1995-4-13 99 Riverside San Jacinto Mtns, along Hwy 243, 6.8 miles S of Interstate 10 out of Banning, road pull out on north and east facing slopes, 1993 burn area. Comment
  LA205627  Phacelia ramosissima Elizabeth McClintock; 1941-5-19 9 Riverside rd to Santa Rosa Peak Comment
  UCR261176  Phacelia ramosissima A. C. Sanders, Katie Young, John Hale 2015-4-22 41602 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 2 km south of I-10, 1 km NW (303 deg. ) of One Horse Spring 459 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
  SEINET5499544  Phacelia vallis-mortae H. M. Hall 1897-3-27 415 Riverside Sage Comment
  UCR2652  Phalaris canariensis F. M. Reed 1904-5-24 589 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside, Terraces Ranch [547 Chicago Ave., near Arroyo Tequesquite] 305 Comment
  UCR126386  Phalaris lemmonii A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 696 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR199941  Phalaris minor Scott D. White, Justin Wood 2008-5-13 11955 Riverside Perris Basin, I-215 freeway south of San Jacinto River crossing 431 Comment
  CAS-BOT-BC6931  Philadelphus microphyllus subsp. pumilus Harvey Monroe Hall 1901-7-1 2500 Riverside San Jacinto Mountains. vicinity of Tamarack Valley 2529 Comment
  UC489279  Phleum alpinum C. V. Meyer 1928-7-26 538 Riverside Deer Springs San Jacinto Mt.; , Deer Springs 2743 Comment
  POM229796  Phlox austromontana P. A. Munz 1937-5-30 15135 Riverside Santa Rosa Peak. 2226 Comment
  RSA773166  Phlox austromontana Duncan S. Bell, Valentin Arvizu 2010-5-24 1105 Riverside San Bernardino National Forest: Garner Valley, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1386 Comment
  RSA758487  Phlox gracilis Michael Wall 2010-4-9 551 Riverside Bautista Creek east of Hemet, Bautista Canyon Rd. ca. 6.4 Miles SE of jct. with Fairview Ave. 713 Comment
  SEINET7048050  Pholistoma membranaceum Steven R. Hill 2001-4-29 33525 Riverside Whitewater Canyon, east side of canyon, east of Whitewater Canyon Road, about 2 miles north of Route I-10. Elevation about 1800 feet. Comment
  UCR84882  Pholistoma membranaceum A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16119 Riverside Coachella Valley, NW end of valley, wash east of Hwy 62 and south of Indian Ave, 0.45 mi south of Indian on Worsley Rd 500 Comment
  RSA420768  Phoradendron californicum P. J. Remple 1942-3-1 s.n. Riverside Colorado Desert. Comment
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Nov 5 2011
  UC1550227  Phoradendron californicum Dennis Kucera 1987-11-14 Riverside e. Banning (off Fields Rd., Malki Museum garden, Morongo Indian Reservation); Morongo Indian Reservation, Malki Museum garden 609 Comment
  RSA654165  Phoradendron villosum A. C. Sanders, Steve D. Boyd, Mitch Provance, J. Ross 1998-10-25 22285 Riverside San Jacinto Mtns.: Pine Meadow along Hwy 74 in Garner Valley (eastern), 1 mi. NW of Hwy 371 junction to Anza 1441 Comment
  RSA78286  Phoradendron villosum Philip A. Munz, E. K. Balls 1952-8-21 17969 Riverside Hamilton Creek, SE part of San Jacinto Mts. 1433 Comment
  RSA289848  Phragmites australis B. A. Prigge 1980-9-17 4056 Riverside Coachella Valley Stormwater Channel: E of Munroe St., Indio., Near 33 deg 44'N; 116 deg 14'W. -3 Comment
  RSA233714  Physalis crassifolia Frederick W. Oettinger 1968-10-23 818 -B Riverside Whitewater Canyon; 10 mi. NNw of Palm Springs, 4.5 mi. N of Hwy. 10 near trout harchery. Comment
  RSA264426  Physalis crassifolia C. W. Tilforth, Jeff Barnes 1976-7-20 1210 Riverside Along power line road n.e. of Chiriaco Summit between Indio and Desert Center, Riverside County, CA. Colorado Desert. Comment
  RSA457796  Physalis crassifolia Steve D. Boyd 1988-3-10 2202 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  SEINET4099573  Physalis crassifolia G. T. Manthey 1977-1 1622 Riverside Along road going from Mecca to Joshua Tree National Forest. Comment
  UCR102928  Physalis crassifolia George K. Helmkamp, E. A. Helmkamp 1998-2-5 2670 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 Comment
  UCR51931  Physalis crassifolia Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, et al. 1988-3-10 2152 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  UCR113987  Physalis philadelphica Mitch Provance, A. C. Sanders 2000-7-4 2111 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR22007  Picris echioides Steve Boyd 1980-9-8 342 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  RSA759628  Pinus attenuata Doug Goldman 2005-5-11 3282 Riverside White Post Turn on Rt. 74, to the E. side of the road and NW part of the turn, about 3.9mi W. of the intersection with Rt. 243. San Bernardino National Forest. 1088 Comment
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Mar 27 2014
  RSA5248  Pinus contorta var. murrayana C. B. Wolf 1932-8-5 3984 Riverside Rocks at summit of San Jacinto Peak 3294 Comment
  UCD134596  Pinus flexilis Gordon Pilone 1961-1-14 80 Riverside Trail to Tahquitz Peak, San Jacinto Mountain Range. 2651 Comment
  SD229025  Pinus jeffreyi Dick Schwenkmeyer 2012-9-20 841 Riverside Taquitz Valley Camp, 2.5 mi. east (via trail) of Humber Park, Idyllwild. 2502 Comment
  RSA78321  Pinus lambertiana Philip A. Munz, E. K. Balls 1952-8-21 17978 Riverside Santa Rosa Spring, Santa Rosa Mts. 2134 Comment
  SD229028  Pinus lambertiana Dick Schwenkmeyer 2012-8-27 805 Riverside 3.2 miles southeast of the intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1887 Comment
  UC1600403  Pinus lambertiana H. M. Hall 1901-1-1 2613 Riverside Tauquitz Peak San Jacinto Mts., Tauquitz Peak Comment
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Feb 3 2014
  RSA660599  Pinus monophylla L. Merrill 1999-8-27 s.n. Riverside Cactus Springs Trailhead, Santa Rosa Mtns. Comment
  SBBG39789  Pinus quadrifolia J. T. Howell 1960-3-24 35150 Riverside rd to Anza just S of Palm to Pines Hwy 1463 Comment
  UC1134101  Pinus quadrifolia A. Lewis 1933-2-3 154 Riverside Terwilliger Valley San Jacinto Quad., San Bernardino National Forest, Terwillig 1158 Comment
  UCR201439  Pinus quadrifolia Scott D. White, Justin M. Wood 2008-6-17 12190 Riverside San Jacinto Mountains, Morris Ranch Road, open area west of Goff Flat 1641 Comment
  RSA741423  Piptatherum miliaceum Justin M. Wood 2008-12-2 260 Riverside City of Temecula, Murrieta Creek, downstream of 1st street bridge. 290 Comment
  SD227712  Pistacia atlantica A. C. Sanders 1994-5-15 14480 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the east bank of the Santa Ana River. Comment
  UCR270762  Pityrogramma triangularis T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8384 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 424 Comment
  RSA512132  Plagiobothrys canescens Ed LaRue 1989-4-21 s.n. Riverside Moreno Valley, ca. 1 mi S of Hwy 60 on Nason St. Adjacent to W side of Nason, S of Dracaea Ave. Comment
  SD178181  Plagiobothrys canescens A. C. Sanders, Guy Bruyea 2004-4-2 27414 Riverside San Jacinto Valley: Tres Cerritos, ca. 3 miles west-northwest of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, just north of Rose Rd. 462 Comment
  UCR172201  Plagiobothrys canescens John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley: Leon Road (San Diego Aqueduct right of way) from Borel Road/Tucalota Creek S for c. 0.25 mi 427 Comment
  UCR240055  Plagiobothrys canescens A. C. Sanders, T. B. Salvato 2011-3-28 38814 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, between Sun City and Perris, from McLaughlin & Evans roads intersection east to I-215 Fwy 434 Comment
  UCR122564  Plagiobothrys collinus George K. Helmkamp, E. A. Helmkamp 1998-4-24 3375 Riverside San Jacinto Mountains, 0.1 mi east of the junction of Calif. Hwy 74 and Calif. Hwy 371, SE side of the mountains 1494 Comment
  UCR139163  Plagiobothrys collinus S. J. Myers 2003-4-22 s.n. Riverside Murrieta Area, hill 1564 between Auld. Rd. and Benton Rd. near Pourroy Rd., south of Alamos School site, north of Tucalota Creek 477 Comment
  UCR241829  Plagiobothrys collinus var. californicus A. C. Sanders, Timothy W. Chumley 2013-4-3 40763 Riverside Peninsular Range, Temescal Canyon SE of Horsethief Canyon Rd, and just west of I-15 Fwy, SE of Corona (Lee) lake 392 Comment
  RSA715763  Plagiobothrys collinus var. fulvescens A. C. Sanders 2005-4-22 29599 Riverside Gavilan Hills: Gavilan Plateau ca. 0.75 air mi. SE of summit of Gavilan Peak. 625 Comment
  SEINET4560762  Plagiobothrys collinus var. fulvescens A. C. Sanders, Timothy W. Chumley 2013-1 40747 Riverside Peninsular Range: Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., near I-15 Fwy, Se of Corona (Lee) Lake. 377 Comment
  RSA180306  Plagiobothrys fulvus var. campestris E. W. Lathrop 1965-4-18 5668 Riverside 10 miles west of Murrieta. Comment
  JEPS68135  Plagiobothrys tenellus W. L. Jepson 1901-5-19 1308 Riverside Strawberry Valley Mt. San Jacinto 1676 Comment
  RSA612701  Plagiobothrys tenellus D. L. Banks 1997-3-29 1597 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border., West of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  RSA614092  Plagiobothrys tenellus D. L. Banks 1997-4-5 1695 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just east of the Wilderness Area boundry with the Pechanga Indian Reservation., Along a tributary of the north fork of Pechanga Creek. 670 Comment
  SD137833  Plagiobothrys tenellus Darin L. Banks, Steve Boyd 1995-5-9 407 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north face of Agua Tibia Mountain, The Dorland Mountain area. 733 Comment
  RSA192037  Plantago erecta E. W. Lathrop 1959-3-26 4377 Riverside 18 miles W of Elsinore, Tenaja Guard Station, Cleveland National Forest Comment
  RSA495820  Plantago erecta Steve Boyd, Tim S. Ross, L. Arnseth 1989-3-12 2931 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  UC56869  Plantago erecta H. M. Hall Apr 1902 2895 Riverside vicinity Sage 609 Comment
  UCR102842  Plantago erecta A. C. Sanders 1997-4-3 20171 Riverside Lake Skinner area, N edge of large clay patch adjacent to the E side of the Skinner entrance road, c. 1-2 km NE of Borel Road. 473 Comment
  CLARK-A1656-642  Plantago insularis var. fastigiata Lois Ann Scott 1978-4-6 Riverside Mecca 269 Comment
  SD227866  Plantago lanceolata Scott D. White 1997-5-18 5157 Riverside Vista Grande area: Just W of USFS Vista Grande Fire Station (i.e. Hwy 243 ca. 10 road miles SE of Banning). 1477 Comment
  JEPS7165  Plantago ovata L. G. Childs May 1920 Riverside near Mecca; Colorado Desert Comment
  UCR178545  Plantago ovata R. G. Swinney 1967-2-19 0041 Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 335 Comment
  RSA457801  Plantago ovata var. fastigiata Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2198 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  RSA771697  Plantago patagonica Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4694 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
  UC1618005  Plantago patagonica Donald G. Nelson 1936-5-24 417 Riverside Hurkey Creek Camp Comment
  RSA761892  Plantago subnuda Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 705 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCR250314  Plantago subnuda A. C. Sanders 2014-4-16 41016 Riverside Peninsular Range, Temescal Valley, Campbell Ranch Rd. between Indian Truck Trail and Temescal Canyon Rd., south of Sycamore Creek Fire Station 372 Comment
  UCR239596  Plantago virginica Lynn Sweet 2011-5-10 s.n. Riverside Sonoran (Colorado) Desert, Palm Springs 131 Comment
  UCR129783  Platanthera dilatata var. leucostachys P. A. Munz 1922-7-7 6065 Riverside San Jacinto Mtns., meadow [Skunk Cabbage M.?] north of Tahquitz Valley 2439 Comment
  SEINET6084766  Platanus racemosa Unknown 2007-6-22 Riverside SE of Hemet, Bautista Canyon. Ca 4 road mi SE of jct. of Bautista Canyon Road and Fairview Ave. Comment
  RSA357158  Platystemon californicus Robert F. Thorne 1973-5-23 43858 Riverside Santa Rosa Plateau-Mesa De Colorado. 610 Comment
  UCR103734  Platystemon californicus A. C. Sanders, G. Helmkamp 1997-3-15 19985 Riverside Lake Skinner area, NE shore of Skinner Lake, SE foot of Bachelor Mtn., NE slopes of a small hill 473 Comment
  RSA0034947  Platystemon californicus var. crinitus Lee Haines 1951-5-20 5152 Riverside VandeVenter Flats, San Jacinto Mts. 1524 Comment
  UC372894  Plectritis ciliosa subsp. insignis Marcus E. Jones 1882-4-24 3167 Riverside San Jacinto Comment
  RSA718770  Pleuraphis rigida Michael Honer, L. Hulse 2004-4-4 1931 Riverside SW base of Cottonwood Mtns., near MWD aqueduct, appx. .75 mi. N of I-10. E edge of Pinkham Wash. 488 Comment
  RSA778415  Pleuraphis rigida Stephanie Rockwood, Christi Gabriel 2011-10-4 52 Riverside Red Cloud Wash Road exit from I10. Fellow Red Cloud Road approximately 6.4 miles. Near campground with car remnants. Chuckwalla Bench ACEC. 630 Comment
  RSA795232  Pleuraphis rigida Justin M. Wood, Dustin M. Ray 2010-10-1 2771 Riverside Sonoran Desert: Chuckwalla Valley northwest of Victory Pass on east side of Kaiser Road +/-1 mile north of Desert Center Landfill at proposed Eagle Mountain Solar Site. 205 Comment
  POM8370  Pleurocoronis pluriseta Mary F. Spencer 1920-3-13 1446 Riverside Painted Canyon, near Mecca -58 Comment
  RSA0043057  Pleurocoronis pluriseta Duncan S. Bell, Evan Meyer 2014-4-1 6484 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central section of range, approximately 4.5 air miles northwest of Gucci Spring; about 4.5 air miles north of the Bradshaw Trail. 652 Comment
  RSA695628  Pleurocoronis pluriseta J. R. Bruff 1933-1-1 s.n. Riverside Travertine Point, south of Indio. Comment
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Oct 30 2011
  UCR31855  Pluchea purpurascens M. Hamilton 1983-10-4 s.n. Riverside Riverside, Just outside the Riverside city limits between Woodcrest and Edgemont, east of Trautwein Ave. & south of Alessandro Blvd. 488 Comment
  RSA472131  Pluchea sericea A. Menke 1955-4-26 s.n. Riverside Coachella. Comment
  UC1931223  Poa pratensis Scott D. White, Justin Wood 2008-6-18 12239 Riverside San Jacinto Mountains: Meadow N/W of Keen Camp Summit, S/W of Hwy 79. (Idyllwild) Comment
  SEINET3123355 Image available Poa pratensis T. B. Salvato, John F. Green 2004-1 608 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 Comment
  RSA522746  Poa secunda Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3855 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
  RSA612605  Poa secunda D. L. Banks, Victor Steinmann 1997-3-13 1490 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  RSA700019  Poa secunda Scott D. White, Michael Honer 2003-4-4 8927 Riverside Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  UCR2701  Poa secunda F. M. Reed 1920-3-24 4232 Riverside Western Colorado Desert, Murray Canyon, a tributary of Palm Canyon near Palm Springs 305 Comment
  JOTR30224  Poa secunda subsp. secunda Leary, C. and Leary, Pat 1979-5-5 2998 Riverside Joshua Tree National Park. Above Lower Covington Flat, Joshua Tree National Monument, T2S R7E sec 6 Comment
  UC39552  Poa secunda subsp. secunda H. M. Hall June 1901 2257 Riverside Fuller's Hills Mts San Jacinto Mts, Fuller's Hills Mts 1645 Comment
  UC6691  Polygonum douglasii subsp. douglasii H. M. Hall July 1901 2446 Riverside Tauquitz and Tamarack Valleys San Jacinto Mts. 1828 Comment
  UC582893  Polygonum lapathifolium Philip A. Munz 1935-10-21 14653 Riverside below Rincon; Santa Ana River Comment
  UCD91193  Polypogon maritimus K. Esau 1935-6-15 s.n. Riverside Hemet Valley. Comment
  CAS-BOT-BC237275  Polypogon monspeliensis Scott D. White 1995-6-30 3417 Riverside Murrieta area, W Riverside Co, Santa Ana foothills. Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 30 Comment
  RSA11  Polystichum imbricans subsp. curtum J. T. Howell 1927-8-2 571 Riverside Road to Hemet, Mt. San Jacinto. 1372 Comment
  POM296372  Populus fremontii Lyman D. Benson 1945-4-6 11663 Riverside Whitewater Canyon, 3 miles above Whitewater; San Bernardino Mts.; Drainage area: Colorado Desert. 427 Comment
  POM319093  Populus fremontii Patricia Wilder 1971-3-20 4873 Riverside Along Santa Ana River at end of Pedley Steet, Norco; south side of river 244 Comment
  POM360762  Populus fremontii H. de Forest 1933-4-17 s.n. Riverside Chino Canyon, Colorado Desert. Comment
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Mar 28 2011
  CAS-BOT-BC356168  Porophyllum gracile W. L. Jepson 1912-10-22 5242 Riverside Riverside Mts. 137 Comment
  SD231232  Porophyllum gracile Scott D. White 2001-3-13 8158 Riverside Perris / Elsinore Basins: Minifee / Sun City area. Valleys and slopes east of Canyon Lake and west of Goetz Road. 441 Comment
  RSA0013894  Proboscidea althaeifolia J. S. Stubblefield 1934-9-12 s.n. Riverside Between Desert Center and Blythe. Comment
  RSA0014806  Proboscidea louisianica Steve Boyd, Rita Gentry 1991-5-30 6317 Riverside Murrieta, Gentry Experimental Farm on Los Alamos Rd. 427 Comment
  CAS-BOT-BC206988  Prosopis glandulosa var. torreyana Mrs. E. C. Van Dyke 1928-1-1 s.n. Riverside Coachella Comment
  LA34850  Prosopis glandulosa var. torreyana Mary V. Hood; 1940-11-24 40- 192 k* Riverside N Aguanga 548 Comment
  RSA652726  Prosopis glandulosa var. torreyana Jack Stennes 1949-4-16 s.n. Riverside Desert near oasis. 0 Comment
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Apr 6 2011
  UCSB7194  Prosopis glandulosa var. torreyana Krogen, Roger 1957-1 Riverside Canyon bottom 5 mi. E of Mecca on Hwy. 195 in Box Canyon Wash Comment
  CLARK-A1528-4030  Prunus fasciculata John C. Roos 1966-3-20 Riverside Eagle Mountains Comment
  POM184746  Prunus fasciculata C. Leo Hitchcock 1932-4-8 12219 Riverside 1 mile west of Cottonwood Springs. Comment
  CAS-BOT-BC158295  Prunus fasciculata var. fasciculata Peter H. Raven 1958-5-5 12892 Riverside Split Rock, Joshua Tree National Monument Comment
  HSC25799  Prunus fremontii Richard Spjut 1972-3-13 2258 Riverside Western border of the Colorado Desert ; San Jacinto Mts., near the eastern border of the San Bernardino Natl. Forest along Hwy. 74 915 Comment
  SD114332  Prunus fremontii D. F. Howe 1948-2-2 1742 Riverside Desert slope of Santa Rosa Mts. Comment
  RSA699170  Prunus ilicifolia J. Russell Bruff 1929-12-27 443 Riverside Mission Canon. Comment
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Nov 9 2011
  CAS-BOT-BC356334  Psathyrotes ramosissima Lewis S. Rose 1959-1-12 59010 Riverside Cathedral City 121 Comment
  CAS-BOT-BC356349  Psathyrotes ramosissima K. Bonner 1977-10-27 2608 Riverside 3 miles East of Chuckwalla Rd. 195 Comment
  RSA263880  Psathyrotes ramosissima C. W. Tilforth 1976-7-20 1212 Riverside Along power line road n.e. of Chiriaco Summit between Indio & Desert Center, Colorado Desert. Comment
  UCD135049  Pseudognaphalium biolettii John Roos 1947-3-21 3372 Riverside Plateau', Reche Canyon. Comment
  UCR281003  Pseudognaphalium biolettii Mitch Provance, Matt K. Beyers 2017-6-8 617- 15 Riverside Temescal Valley, Indian Wash, SW of I-15, S side of De Palma Rd., about 0.2 mi WNW of inter. with Glen Eden Rd. 366 Comment
  UCSB38387  Pseudognaphalium californicum Ferro, Margaret 1970-5-20 Riverside 1/2 mile west of Riverside city dump 457 Comment
  UC667298  Pseudognaphalium canescens Annie M. Alexander and Louise Kellogg 1941-5-4 2118 Riverside Barker Dam Joshua Tree National Monument, Barker Dam (among rocks) 1322 Comment
  SEINET10669298  Pseudognaphalium canescens subsp. microcephalum Nye Leith, Greg Gust 2005-3-11 Nye 69 Riverside BM 2228 ca. 4 miles W of Murrieta. 453 Comment
  JOTR30279  Pseudognaphalium luteoalbum La Doux, Tasha, Alice Miller 2007-5-31 1777 Riverside Joshua Tree National Park. Stop 2: Cottonwood Springs/Oasis; in wet soil at oasis. 893 Comment
  RSA543868  Psilocarphus brevissimus Steve Boyd, David E. Bramlet 1991-5-13 6231 Riverside Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. N of Santa Fe RR tracks, W of San Diego aqueduct. Comment
  RSA92380  Psilocarphus brevissimus F. W. Peirson 1922-4-29 2949 Riverside South of Lake Elsinore. 381 Comment
  RSA713575  Psilocarphus tenellus var. globiferus R. E. Riefner Jr. 2005-4-20 05 -238 Riverside SE ca. 0.5 mi from end of California Ave. off Florida Ave. (Hwy 74), and N of Stetson Ave. 463 Comment
  CAS-BOT-BC346356  Psorothamnus Annie M. Alexander; Louise Kellogg 1941-5-17 2193 Riverside near Dos Palms Comment
  UC15158  Psorothamnus arborescens var. simplicifolius Geo. F. Reinhardt June, 1897 Riverside San Jacinto Valley San Jacinto Valley (Southern California) Comment
  UCR35008  Psorothamnus arborescens var. simplicifolius L. B. Ziegler 1968-6-3 305 Riverside San Jacinto Mtns., Bautista Canyon, near mouth of canyon 640 Comment
  CAS-BOT-BC353641  Psorothamnus emoryi Cecil Hart 1926-3-9 s.n. Riverside between Whitewater and Indio Comment
  JOTR35985  Psorothamnus emoryi Harding, Mitzi, Mark Wheeler 2012-9-4 196 Riverside Joshua Tree National Park. Pinto Basin; north end of sand ramps west of Pinto Mtn; fine sand ramps and dunes (stop 2) 516 Comment
  POM122372  Psorothamnus emoryi Marcus E. Jones 1926-6-8 s.n. Riverside Whitewater. Colorado Desert. Comment
  UCD77964  Psorothamnus emoryi Robert E. Preston 1997-11-11 1064 Riverside east edge of Palo Verde Mesa 99 Comment
  UCR17308  Psorothamnus emoryi K. Stolte 1978-5-25 s.n. Riverside Sonoran (Colorado) Desert, south side Hwy 111, at Windy Point; c. 5 mi. west of Palm Springs, Coachella Valley 300 Comment
  SEINET2063916 Image available Psorothamnus polydenius P. Leary 1975-5-27 1213 Riverside 1 mile E of Ruby Lee Well, Joshua Tree National Monument. 853 Comment
  CAS-BOT-BC340893  Psorothamnus schottii N. Aitkenhead 1977-2-1 2158 Riverside Sand dunes 1/2 mi. E. of Dillon Rd - T/L junction Comment
  JEPS119492  Psorothamnus schottii Clark Cowan 1978-4-23 1168 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon. Comment
  RSA0047641  Psorothamnus schottii J. M. Andre 2012-4-11 20847 Riverside north end of range, along dirt road 2.8 mi. due south of I-10 at Box Canyon Rd/Cottonwood Rd Exit 623 Comment
  RSA113923  Psorothamnus schottii Percy C. Everett, E. K. Balls 1956-5-2 31555 Riverside 4 mi. N from turn-off Hwy. 60/70, W of Desert Center, on rd. to Eagle Mt. Pumping Sta., 305 Comment
  RSA1421  Psorothamnus schottii B. D. Stark 1930-5-25 850 Riverside Chuckawalla Valley, Colorado Desert Comment
  RSA4940  Psorothamnus schottii Carl B. Wolf 1932-4-27 3057 Riverside North base of Chuckwalla Mountains, 5 miles East of Desert Center, Colorado Desert. 152 Comment
  RSA0019787  Psorothamnus spinosus April Garbat, Kristin Forgrave 2013-5-29 75 Riverside Along Box Canyon Rd from Cottonwood Springs Rd to Mecca. 305 Comment
  SEINET6656793  Psorothamnus spinosus John R. Crutchfield 1965-6-16 212 Riverside 25 mi N of Blythe, along the Colorado River. Off U.S. Hy. 95.; 0 Comment
  UCR195094  Pteridium aquilinum A. C. Sanders, Tim Thomas 2008-8-1 35942 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1402 Comment
  POM11504  Pteridium aquilinum var. pubescens P. A. Munz 1922-7-7 6035 Riverside San Jacinto Mountains: Tamarack Valley 2805 Comment
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Sep 10 2009
  UCR3714  Pterospora andromedea Frank C. Vasek 1964-7-25 640725 16 Riverside San Jacinto Mountains, Dark Canyon near Wet Canyon Campground Comment
  RSA770855  Pterostegia drymarioides Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4933 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  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
  RSA0080589  Pyrola dentata Michael Denslow, Firoozeh Navid-Ara, Valerie Soza 2003-7-15 1441 Riverside Northeast side of Tahquitz Peak, on trail to Saddle Junction 2637 Comment
  RSA0031050  Quercus Robert F. Thorne, P. Everett 1966-10-18 41855 Riverside Santa Rosa Mountains Comment
  UCR108800  Quercus X munzii Beth Corrigan, John Corrigan 1966-6-13 s.n. Riverside Southern Mojave Desert, Joshua Tree National Monument [now Park], Queen Valley area, 200-300 ft. south of Ivanpah Tank 1280 Comment
  RSA228807  Quercus agrifolia var. agrifolia Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 606 Riverside Cleveland National Forest, ca. 8 mi. south of Lake Elsinore; off Forest Route 7S04. 488 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
  RSA710828  Quercus berberidifolia A. C. Sanders, Mark A. Elvin, M. S. Enright 2002-4-16 24970 Riverside The Badlands: Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont. 549 Comment
  UCR270763  Quercus berberidifolia T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8383 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 424 Comment
  CHSC21926  Quercus chrysolepis L. A. Bellue; Robert A. Schlising 1970-11-7 2954 Riverside Morris Ranch Road, 3.3 miles N Highway 74. Comment
  POM122373  Quercus chrysolepis Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
  UCSB60488  Quercus cornelius-mulleri Steele, Kelly; Wilson, Chris 1982-2-19 Riverside Corner of El Encino and Avenue La Cumbre; 0.3 miles north from the junction of Carrizo Road and Hwy. 74. San Jacinto Mts. 1036 Comment
  RSA503821  Quercus cornelius-mulleri N. C. Cooper 1943-9-11 910 Riverside East side of San Jacinto Mt. Comment
  RSA0099445  Quercus engelmannii Duncan S. Bell 2014-11-14 7705 Riverside Santa Rosa Mountains; collecting in the Santa Rosa Mountain Wilderness area; west side of Martinez Mountain; at meeting point of Horsethief Creek and the Cactus Spring Trail. 1055 Comment
  RSA751633  Quercus john-tuckeri G. Gust, L. Nye 2005-3-11 547 Riverside Cleveland National Forest. Just off of Hwy 74 opposite El Cariso Campground on washed out forest road. 762 Comment
  CAS-BOT-BC105318  Quercus kelloggii Carl Epling 1931-10-4 s.n. Riverside Strawberry Valley, San Jacinto Mts. Comment
  RSA334886  Quercus palmeri A. C. Sanders, Steve D. Boyd 1980-4-17 1345 Riverside Along the Palms to Pines highway (Hwy 74), 0.2 miles west of its jct with the road to Anza (Hwy 371) 1463 Comment
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Sep 10 2011
  SD229180  Quercus palmeri Dick Schwenkmeyer 2012-3-26 671 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
  CAS-BOT-BC104995  Quercus wislizeni Louis C. Wheeler 1931-10-3 s.n. Riverside Strawberry Valley, Mt. San Jacinto Comment
  RSA714381  Quercus wislizeni T. B. Salvato 2004-5-27 592 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
  SBBG122738  Quercus wislizeni var. frutescens R. E. Riefner 2006-10-11 06 -530 Riverside E of Rainbow Cyn, N of Rainbow Heights, Termite's Hike Trail 595 Comment
  RSA0065416  Quercus wislizeni var. frutescens Glenn Stewart 1968-9-21 s.n. Riverside 3 mi. S. Idylwild, San Jacinto Mountains. Comment
  JOTR31984  Rafinesquia californica La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2219 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; bouldery canyon with sandy wash bottom 731 Comment
  JOTR28944  Rafinesquia neomexicana La Doux, Tasha 2005-3-30 1180 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  RSA278989  Rafinesquia neomexicana B. A. Prigge 1978-3-23 2439 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  UCR214290  Rafinesquia neomexicana A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37483 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
  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
  UCR147737  Ranunculus hebecarpus Steve Boyd, Aydee Virgen 2004-4-13 10887 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  UCR86019  Ranunculus sceleratus Scott D. White, Megan Phillips 1992-4-29 s.n. Riverside San Jacinto Valley, large area on San Jacinto Reservior on N and E sides, east of Sanderson Street, and SW of Ramona Expressway Comment
  UCR154462  Rhamnus californica Jason L. Hlebakos 2005-5-30 804 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  UC1121808  Rhamnus crocea A. Lewis 1934-5-1 460 Riverside 0.5 mi ne El Casco; Elsinore Quad. 731 Comment
  UC1929602  Rhamnus crocea Scott D. White 2001-3-27 8169 Riverside BADLANDS: Moreno Valley area. About 1 air mile East-Northeast of the jtn State Rt. 60 w/ Theodore St. Adjacent to County Landfill. Comment
  OBI42534  Rhamnus ilicifolia Robert F. Thorne 1985-5-18 60666 Riverside Santa Rosa Plateau 610 Comment
  RSA381079  Rhamnus ilicifolia Robert F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61182 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  JEPS58761  Rhododendron occidentale W. L. Jepson 1903-8-6 2272 Riverside San Jacinto Mountain, Dark Canyon Dark Canyon; San Jacinto Mountain, Dark Canyon 1828 Comment
  CAS-BOT-BC200733  Rhus aromatica A. M. White 1974-6-5 1405 Riverside Indian Rd. ca. 5 mi W. Sun City Comment
  CAS-BOT-BC167923  Rhus integrifolia Steve Boyd 1981-1-9 s.n. Riverside Gavilan Hills region, narrows in central Dawson Canyon 487 Comment
  POM86228  Rhus ovata Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA358576  Rhus ovata Larry E. DeBuhr 1972-2-25 508 Riverside Santa Rosa Mountains along forest road 7S02 to santa Rosa Pk. 1738 Comment
  SD146054  Rhus ovata Mitch Provance 1998-6-6 688 B Riverside Jurupa Mountains: Jensen Quarry, Sunnyside area on west side of Sierra Blvd., just east of corner of 29th St. and Scenic Drive. 305 Comment
  SD229050  Rhus ovata Dick Schwenkmeyer, Bethany Jenkins 2012-3-7 631 Riverside Mt. San Jacinto 1085 Comment
  UCR103276  Rhus ovata B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3571 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  POM11525  Rhus trilobata var. anisophylla P. A. Munz 1922-7-3 5956 Riverside S slope of Santa Rosa Mountains 1524 Comment
  CAS-BOT-BC173138  Ribes indecorum Carl B. Wolf 1932-2-11 2650 Riverside Santa Ana Mts., Hidden Canyon, 5 mi. West of Corona, base of Skyline Drive 405 Comment
  UCR112398  Ribes indecorum A. C. Sanders, Mitch Provance, E. J. Lawlor 2000-1-23 23313 Riverside Lake Skinner area, summit of Black Mtn. 915 Comment
  RSA615137  Ribes indecorum A. C. Sanders, O. F. Clarke, H Foster 1997-3-2 2320 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
  RSA0021662  Ribes malvaceum Justin M. Wood 2009-3-10 346 Riverside Hwy 243, near base of the mountains, 0.5 miles up the highway from Smith Creek bridge. 695 Comment
  UCR213350  Ribes malvaceum Justin M. Wood 2009-3-10 346 Riverside San Jacinto Mountains, Hwy 243, near base of the mountains, 0.5 mi up the hwy from Smith Creek Bridge 774 Comment
  UC489157  Ribes nevadense C. V. Meyer June 1927 174 Riverside Dark Canyon San Jacinto Mts. 1828 Comment
  UC1127498  Ribes quercetorum R. St. John 1931-1 209 Riverside Comment
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Jun 15 2012
  CLARK-A1528-837  Ribes speciosum Robert A. Clark 1966-3-19 2-31966 Riverside Corona Comment
  UCR113557  Ricinus communis Mitch Provance 2000-9-1 2231 B Riverside Jurupa Mtns., Pyrite Canyon, c. 0.5 miles SW of peak 1538 305 Comment
  UCR230928  Ricinus communis T. B. Salvato, Richard Camacho 2011-6-12 5482 Riverside Peninsular Range, Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles 372 Comment
  UCR199648  Rorippa palustris subsp. occidentalis Justin M. Wood 2008-7-16 38 Riverside Perris/Elsinore Basin, Gavilan Hills at Temescal Wash, near Olsen Canyon, 'Morgan' property, Alberhill area 366 Comment
  RSA761162  Rosa californica Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 694 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCR197035  Rosa californica A. C. Sanders, D. L. Sanders 2008-9-27 36105 Riverside San Bernardino Valley Region, Santa Ana Riverbottom at Norco, between Corydon Av. (Fire Sta. 21) and a point NW of Vine St. & Halfmoon Ct. intersection, c. 1 mile NE of River Rd. bridge 165 Comment
  UCR213282  Rumex hymenosepalus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37695 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 378 Comment
  CAS-BOT-BC433960  Rumex salicifolius Steve Boyd 1992-4-15 6874 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. downstream to the confluence with San Mateo Creek. 487 Comment
  RSA466123  Rumex salicifolius N. C. Cooper 1949-6-29 4340 Riverside Pine Cove, San Jacinto Mountains. 1829 Comment
  UCR132909  Rumex salicifolius John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  RSA627516  Rumex salicifolius var. salicifolius Scott D. White 1998-7-31 6930 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park; San Jacinto Mts. 1707 Comment
  SD123916  Rumex violascens Barry A. Prigge 1980-12-15 4126 Riverside Coachella Valley stormwater channel: 3.5 mi S of Mecca. -68 Comment
  RSA383651  Ruppia cirrhosa L. C. Wheeler 1931-11-26 374 Riverside Salton Sea, 2 miles SE Salton Bench Mark. -76 Comment
  RSA234075  Sagina decumbens subsp. occidentalis R. F. Thorne 1969-6-6 39337 Riverside Santa Rosa Plateau: Ranch California; along small stream. 610 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
  POM306692  Salazaria mexicana Henry J. Ramsey, Henry J. Ramsey 1938-4-26 1690 Riverside Near Desert Center. Comment
  CAS-BOT-BC129703  Salix bonplandiana Nancy Ryan Zabriskie; Walter Zabriskie 1971-4-24 392 Riverside Deep Canyon, north slope Santa Rosa Mountains 1316 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
  POM296373  Salix exigua Lyman D. Benson 1945-4-6 11662 Riverside Whitewater Canyon, 3 miles above Whitewater; San Bernardino Mts.; Drainage area: Colorado Desert. 427 Comment
  SD1018  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-12 602 Riverside East side of the bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside 239 Comment
  UC846161  Salix exigua var. hindsiana Crawford and Johnston 1917-6-9 1244 Riverside Santa Ana R. near Corona; Santa Ana R Comment
  UCR116411  Salix gooddingii A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24177 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
  UCR171977  Salix gooddingii John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula, Long Canyon, Southern California Edison right of way between residential areas, south of Rancho California Road and east of Margarita Road 366 Comment
  PASA2679  Salix hindsiana var. leucodendroides Mrs. H. P. Bracelin 1932-4-12 602 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside, Riverside County 240 Comment
  UC914201  Salix lasiolepis Charles B. Fiker May 30 1936-Apr 2 1946 3355 Riverside on Hwy. 395 s. of Temecula bridge Comment
  UCR169309  Salix lasiolepis T. B. Salvato, John F. Green 2004-5-27 594 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
  UCR176904  Salix lasiolepis Tracy Tennant 1998-3-17 MOR- 1080 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon, sample site P-10 1037 Comment
  CAS-BOT-BC128444  Salix lasiolepis var. lasiolepis Marian L. Campbell 1921-3-19 38 Riverside Banning Comment
  RSA643438  Salsola paulsenii R. D. Goeden, D. W. Ricker 1979-3-29 s.n. Riverside Coachella Valley: Indio, Monroe St., 33 40' 30''N, 116 16'W -6 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
  RSA0127855  Salsola tragus G. Rink 2013-3-22 11911 Riverside About twelve miles west of Blythe, along the power line for the proposed Quartzite solar power plant, NE of the power transfer station. 145 Comment
  UCR261367  Saltugilia latimeri A. C. Sanders, Katie Young, John Hale 2015-4-22 41613 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 2 km south of I-10, 1 km NW (303 deg. ) of One Horse Spring 459 Comment
  RSA0094600  Saltugilia latimeri Mary F. Spencer 1920-4-11 1569 Riverside Palm Springs. Comment
  RSA67604  Saltugilia splendens Verne Grant, Alva Grant 1950-4-9 8839 Riverside Palm Springs. Comment
  RSA525453  Salvia apiana Steve Boyd, Dave Bramlet 1990-4-29 4498 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  UCR140707  Salvia apiana A. C. Sanders 2004-5-12 27864 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  UCR214322  Salvia apiana A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38382 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  JEPS62556  Salvia carduacea Carl V. Meyer Jun 1927 151 Riverside hills near Temecula Comment
  POM10094  Salvia carduacea F. M. Reed 1903-05 s.n. Riverside Pigeon Pass Comment
  RSA197274  Salvia columbariae L. B. Ziegler 1965-11-10 s.n. Riverside Along a road about one mile N of Kenworth Ranger Station, Hemet Valley. 1524 Comment
  RSA401477  Salvia columbariae Gale Sphon 1955-4-2 s.n. Riverside Perris. Comment
  UCR97491  Salvia columbariae A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19870 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  UCR260581  Salvia columbariae var. columbariae A. C. Sanders, Nina Kidd, Jeff Crain 2015-3-31 41531 Riverside Peninsular Range; Eastern Foot of Santa Ana Mtns., Temescal Canyon, northwest of El Hermano Road junction along sandy wash of Temescal Creek 313 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
  UCR213536  Salvia mellifera A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37806 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
  RSA110416  Salvia mohavensis E. K. Balls 1955-7-13 20963 Riverside Grown in Botanic Garden, Claremont. 1159 Comment
  CLARK-A1528-3126  Salvia vaseyi John C. Roos 1948-5-8 3825 Riverside Whitewater Comment
  RSA640158  Salvia vaseyi Louis C. Wheeler 1955-6-16 7160 Riverside Palm to Pines Highway: at culvert P5.53 610 Comment
  CAS-BOT-BC414253  Salvinia minima R. E. Riefner, Jr. 2011-10-16 11 -142 Riverside City of Lake Elsinore, W of Hwy. 74, S side of Temescal Wash, ca. 0.2 mi N of Baker St., vicinity of Bromley Ave. and Baker St. 382 Comment
  CSUSB691  Sambucus mexicana I. Rauch 1968-5-14 Riverside Santa Ana Mountains Santa Ana Mountains Comment
  SEINET8753384 Image available Sambucus mexicana Norman C. Cooper 1944-1 1289 Riverside Banning 701 Comment
  UCR132860  Sanicula arguta Kent Beaman 1983-4-24 25 Riverside Santa Ana Mtns., north and west of Murrieta; Clinton Keith Road about 2 miles west of Hwy 15, south side of road just before it starts up a hill 427 Comment
  UCR160690  Sanicula crassicaulis John F. Green 2005-2-24 s.n. Riverside Santa Ana Mtns Region, Santa Rosa Plateau, just SE of Redonda Mesa and SW of Mesa de Colorado, 9.6 acre parcel south of the junction of El Cerezo Road and Corona Cala Camino 793 Comment
  CLARK-A1528-1455  Sanicula tuberosa John C. Roos 1937-3-6 1304 Riverside Reche Canyon Comment
  UCR213253  Sarcostemma cynanchoides A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37704 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 378 Comment
  VVC691  Sarcostemma cynanchoides P. J. MacKay, T. Thomas 1997-2-8 105 Riverside Sonoran Desert, Palm Springs, Murray Canyon; at edge of creek btw palm groves 243 Comment
  RSA613422  Sarcostemma hartwegii D. L. Banks 1997-4-5 1670 A 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
  JEPS27444  Sarcostemma hirtellum W. L. Jepson 1927-4-12 11673 Riverside Mecca Hills, Painted canyon 76 Comment
  UCR252764  Satureja chandleri Karyn L. Drennen 2013-5-17 023 Riverside Santa Ana Mountains, 120 meters west of De Luz Road, 130 meters south of Vernal Pool Trail, along southeast slope of tributary that runs parallel to De Luz Road 350 Comment
  CAS-BOT-BC218931  Schinus molle A. C. Sanders 1997-5-1 20617 Riverside Lake Skinner area: old house site at gated road junction into Shipley Reserve area, ca. 1 km NE of Lake Skinner in mouth of Rawson Creek Canyon 457 Comment
  UCR176193  Schinus molle Amber Bruno 2005-6-7 50 Riverside Riverside; east side of UC Riverside, east end of Big Springs Rd. on north side of road, 0.25 mi. east of Watkins Dr. but west of the railroad track, Islander Park 351 Comment
  SEINET6809369  Schinus molle John Thieret, Brandenburg, David 1982-6-5 53095 Riverside Rancho Mirage; Rancho Mirage Comment
  UCD93276  Schismus C. L. Hitchcock; C. V. Muhlick 1962-3-16 22139 Riverside Temescal Canyon, 8 mi. s.e. of Corona. Comment
  RSA795927  Schismus arabicus Duncan S. Bell 2009-4-19 282 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  RSA676102  Schismus barbatus Scott D. White 2001-4-3 8265 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10/SR 111. 396 Comment
  RSA777769  Schismus barbatus Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 976 Riverside Road to Priest's Well, east side of Arica Mountains 488 Comment
  UCR125217  Schismus barbatus Mitch Provance 1998-5-5 523 Riverside City of Riverside, Hillside area, near Central Ave., along the N periphery of the Riverside Airport, south of the Wall Street Journal Ofc. 250 Comment
  RSA596534  Schismus barbatus D. L. Banks 1996-7-16 1125 Riverside NW Palomar Mountains; Agua Tibia Mountains; In the Vail Ranch Housing Development, N of the Pechanga Indian Reservation; At the W side of the intersection of Marge Place and Tehachapi Pass( N of Vail Ranch Road);, along a disturbed hillside and adjacent roadside 426 Comment
  UCR111567  Schoenoplectus acutus var. occidentalis Mitch Provance 1999-5-4 1680 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR130131  Schoenoplectus americanus I. M. Johnston 1917-4-4 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Palm Canyon 427 Comment
  CAS-BOT-BC111020  Scirpus microcarpus Scott D. White 1995-6-30 3418 Riverside Cole Creek, NW of Murrieta, upstream from Murrieta Ck. Confluence. 365 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
  CLARK-A1528-881  Scrophularia californica Paul D. Wood 1970-5-16 6 A Riverside Riverside 380 Comment
  JEPS62878  Scutellaria siphocampyloides Carl V. Meyer June 1927 173 Riverside Idyllwild 1676 Comment
  UCR231048  Searsia lancea A. C. Sanders, T. B. Salvato 2012-1-3 39958 Riverside Peninsular Range, Riverside, south side of UCR campus near old C.E.S. Director's garden, south of South Campus Dr. near College Bldg. North 358 Comment
  UCR207371  Searsia pendulina O. F. Clarke 2009-5-11 s.n. Riverside Riverside, UCR Campus, NW corner of upper reservoir 358 Comment
  CAS-BOT-BC227205  Secale cereale A. C. Sanders; T. B. Salvato 2011-3-28 38822 Riverside Peninsular Range; Perris-Aguanga Basin Region: Menifee Valley, powerline corridor along McLaughlin Rd. west of Murrieta Rd., north of Sun City 439 Comment
  UCR107782  Secale cereale D. L. Banks 1997-5-5 2026 Riverside Agua Tibia Mtns, NW Palomar Mtns: Pechanga Indian Reservation, north of casino, approximately 100 m south of the intersection of Pala Road and Wolf Valley Road 335 Comment
  UCR26047  Secale cereale N. M. Fellows 1982-5-29 s.n. Riverside Peninsular Range, Pauba Valley, 6 miles SE of Temecula, adjacent to Hwy 79 Comment
  SEINET7063428  Selaginella asprella A. G. Vestal 1947-3-30 s.n. Riverside Along Route 74, San Jacinto Valley. UTM Zone 11, 514767mE, 3733157mN. (WGS84/NAD83). 582 Comment
  CAS-BOT-BC69804  Selaginella bigelovii Milo S. Baker 1928-4-3 2787 b Riverside Palm Canyon. Comment
  CLARK-A1528-23  Selaginella bigelovii Fred B. Essig 1967-5-7 Riverside Riverside 457 Comment
  IRVC3582  Selaginella bigelovii R. H. Whittaker, W. A. Niering 1963-5-29 SJ 49 Riverside Above N Fork San Jacinto River. Peninsular Ranges, San Jacinto Mountains 671 Comment
  RSA747993  Selaginella eremophila Scott D. White, Justin M. Wood 2009-4-28 12596 Riverside City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  POM98008  Senecio californicus E. C. Jaeger 1926-3-27 s.n. Riverside Bautista Valley 1220 Comment
  CLARK-A1528-2083  Senecio douglasii var. monoensis John C. Roos 1947-11-1 3757 Riverside Eagle Mountains Comment
  UCR138591  Senecio flaccidus var. douglasii D. L. Banks 1996-11-7 1219 Riverside Agua Tibia Mountains, NW Palomar Mountains: Pechanga Indian Reservation, east of San Gabriel Church. Along the main road in the Reservation, c. 60 m east of its intersection with Pechanga Creek 396 Comment
  JOTR37454  Senecio flaccidus var. monoensis Hodges, Stephen, T. Green 2016-5-24 576 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Quail Mountain Complex; On slopes with granitic boulders descending down east side of Minerva Hoyt peak towards Lost Horse area and in sandy washes beneath slopes (Stop 3). Comment
  OBI6025  Senecio flaccidus var. monoensis Carl B. Wolf 1931-10-14 2461 Riverside San Gorgonio Pass. Roadside at Cabezon 518 Comment
  UCR265599  Senecio vulgaris Jordan Zylstra 2014-3-18 14014 Riverside San Jacinto Mountains, Apple Canyon, west of Apple Canyon Road 1453 Comment
  SD229143  Senegalia greggii Dick Schwenkmeyer 2013-6-11 903 Riverside Approx. 1.5 miles north od highway 74 and Royal Carrizo Road intersection. 854 Comment
  UCR157947  Setaria adhaerens T. B. Salvato, A. C. Sanders 2005-5-17 932 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