Search Results — 2000 specimen records retrieved (1891 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCR131459  Abies concolor June Latting 1973-3-1 s.n. Riverside Santa Rosa Mountains., Santa Rosa Mountain along Santa Rosa Mtn. Rd. 2104 Comment
  CAS-BOT-BC229317  Abronia villosa Mrs. Robert Campbell 1921-11-26 10 Riverside Palm Springs Comment
  CAS-BOT-BC229348  Abronia villosa E. A. McGregor 1917-3-19 2058 Riverside Colorado Desert. Indio Comment
  CHSC1076  Abronia villosa E. Thomas 1939-10-26 Riverside Cathedral City. Comment
  SEINET893736  Abronia villosa Str Richard 1964-1 78 Riverside Along U. S. Highway 99, 4 miles east of Whitewater, east of San Gorgonio Pass. 274 Comment
  GMDRC7787  Abronia villosa var. villosa J. M. Andre 2015-3-6 33546 Riverside Coachella Valley: sandy flats along Snow Canyon Rd, just south of Hwy 111 362 Comment
  RSA461204  Abronia villosa var. villosa M. B. Dunkle 1935-3-17 4403 Riverside Desert Center. 610 Comment
  UCR180339  Abronia villosa var. villosa Scott D. White, Andrea Warniment (Edwards) 2006-3-22 11268 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, a few mi east of Indio, at proposed I-10 Freeway / McNaughton Parkway interchange, north of the I-10 Freeway 152 Comment
  OBI17154  Acamptopappus sphaerocephalus Tracey Call, Viola Call 1962-4-6 2116 Riverside 4 mi w of Desert Hot Springs at rd jctn 213 Comment
  UC729968  Acamptopappus sphaerocephalus var. sphaerocephalus Carl B. Wolf 1932-5-25 3681 Riverside on road to Snow Creek Canyon San Gorgonia Wash Comment
  POM365988  Achnatherum hymenoides Christopher Davidson, B. Gustafson 1977-4-7 5590 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
  RSA102379  Achyronychia cooperi S. B. Parish, W. F. Parish 1882-04 219 Riverside Colorado Desert at Agua Caliente. Comment
Read comments
Jul 12 2010
  RSA672325  Achyronychia cooperi George B. Grant 1906-5-1 s.n. Riverside Palm Springs, Colorado Desert. Comment
  RSA676142  Achyronychia cooperi Scott D. White 2001-4-12 8302 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
  SD51943  Acmispon americanus Reid Moran 1962-7-7 9865 Riverside Strawberry Creek, 2.0 miles southwest of Idyllwild, San Jacinto Mountains. 1550 Comment
  LA204941  Acmispon argophyllus var. argophyllus Elizabeth McClintock; 1938-7-17 sn Riverside San Jacinto Mountains, near Pine Cove Comment
  SBBG67317  Acmispon argophyllus var. argophyllus M. D. Clary 1928-3-25 550 Riverside Whitewater Cyn 548 Comment
  SD37813  Acmispon argophyllus var. argophyllus Edith A. Purer 1935-4-21 6475 Riverside Near Palm Springs, western edge of the Colorado Desert Comment
  UCSB26908  Acmispon grandiflorus Wilken, Dieter 1969-6-30 Riverside Dark Canyon along County Road R1, 7.0 miles north of Idyllwild, San Jacinto Mtns. Comment
  UCR21960  Acourtia microcephala Steve Boyd 1980-7-6 318 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  CDA6752  Acroptilon repens Steve Boyd 1989-7-6 3758 Riverside South of Jurupa Road, east of intersection with Van Buren Avenue, City of Riverside. 0 Comment
  UCR112805  Adenostoma fasciculatum A. C. Sanders 1997-5-1 20607 Riverside Lake Skinner area, north foot and lower slopes of Black Mtn., edge of Crown Valley on E side of Rawson Canyon 671 Comment
  RSA650373  Adenostoma fasciculatum var. fasciculatum Jim M. Morrow 1959-5-24 s.n. Riverside Edge of Ortega Hwy, near Elsinore, Cleveland Nat. Forest. 457 Comment
  CAS-BOT-BC139864  Adenostoma sparsifolium D. E. Breedlove 1961-8-5 947 Riverside At junction of Riverside Highway 1 and State Highway 74; San Jacinto Mountains 1524 Comment
  UCSB18172  Adenostoma sparsifolium Easley, Bill 1964-5-10 Riverside 150 yards E of intersection of State Highway 74 and State Highway 71 1463 Comment
  RSA33825  Adiantum capillus-veneris Norman C. Cooper 1944-4-8 1090 Riverside San Bernardino National Forest, San Jacinto Mountains: Andreas Canyon (near Palm Springs) 457 Comment
  UC1971487  Adiantum capillus-veneris Louis C. Wheeler 1963-3-17 8245 Riverside SANTA ROSA MOUNTAINS: Martinez Canyon. Comment
  UCR89841  Agoseris grandiflora Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3298 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  RSA180464  Agoseris grandiflora var. grandiflora E. W. Lathrop 1960-5-27 5232 Riverside 6 miles west of Murrieta. Comment
  CAS-BOT-BC139356  Agrostis idahoensis H. M. Hall 1901-7-1 2363 Riverside San Jacinto Mountains. Tahquitz Valley. 2438 Comment
  LA10204  Agrostis idahoensis F. M. Reed; 1908-7-11 2500 Riverside San Jacinto Mountains, on trail below San Jacinto Peak 2925 Comment
  UCR96424  Agrostis scabra Scott D. White 1996-8-1 4433 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  RSA739512  Ailanthus altissima A. C. Sanders 1997-5-1 20619 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
  UCR93233  Ailanthus altissima A. C. Sanders 1994-7-27 15157 Riverside Santa Ana River, Colton and Riverside: from the Riverside Avenue (North Main Street) Bridge downstream to just above the Market Street crossing. 246 Comment
  RSA71929  Aliciella latifolia F. W. Peirson 1922-4-11 2871 Riverside Deep Canyon Region, north base of Santa Rosa Mountains Comment
  SD70778  Aliciella latifolia David B. Dunn 1948-2-21 3672 Riverside Pushawalla. Comment
  CDA23223  Allenrolfea occidentalis T. C. Fuller 1962-10-3 9708 Riverside Highway 95 to Blythe, 1.7 miles south of Palo Verde Dam Road. 0 Comment
  UCR19112  Allionia incarnata John C. Roos 1965-9-5 s.n. Riverside Sonoran (Colorado) Desert, Desert Center Comment
  RSA343873  Allium lacunosum var. lacunosum Robert F. Thorne, Walter Wisura, E. W. Lathrop, Sara Meury 1985-5-18 60652 Riverside Santa Rosa Plateau: Mesa de Colorado 625 Comment
  RSA348947  Allium munzii Steve Boyd 1986-4-22 1781 Riverside Gavilan Hills: Summit of Estelle Mt. shallow N-facing draw, just W of third powerline tower, N of summit. 841 Comment
  RSA543597  Allium munzii Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6129 Riverside Gavilan Hills, SE end of range, E of Arroyo del Toro. N-facing slope of low hill. 488 Comment
  UCR144117  Allium munzii Scott D. White, Kurt Cambell, John Resek 2000-4-26 7736 Riverside Santa Ana Mtns, Lake Elsinore area, low hill west of intermittent channel (drains Walker Canyon). SW of Collier Ave. and NW of Riverside Dr. 412 Comment
  UCR78048  Allium munzii Scott D. White 1993-4-22 1255 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  CLARK-A1528-1511  Allium peninsulare John C. Roos 1948-5-22 3865 Riverside Reche Canyon Comment
  POM1634  Allium peninsulare var. peninsulare I. M. Johnston 1918-4-27 1884 Riverside Temescal Canon (Between Elsinore and Corona) 366 Comment
  UC843420  Allium peninsulare var. peninsulare I. W. Clokey, E. G. Anderson 1935-4-16 6550 Riverside e Hemet 640 Comment
Read comments
May 11 2010
  CAS-BOT-BC475414  Allium praecox Steve Boyd 1986-4-2 1625 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park 640 Comment
  RSA770553  Allium praecox S. Mashayekhi, M. Biabani 2008-4-6 SM 009 Riverside South of Harford Spring Co. Park, south of Idaleona Rd., north of hill in canyon. 606 Comment
  UCR21942  Allium praecox Steve Boyd 1980-4-8 112 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  CDA2737  Allium triquetrum A. C. Sanders, T. B. Salvato 2003-4-3 25830 Riverside San Bernardino Valley/Upper Santa Ana River; Riverside, UCR campus, between East Campus Drive and Parking Lot 10 Comment
  SBBG36321  Allophyllum gilioides T. L. Secrest 1951-5-20 Riverside San Jacinto Mtns 1219 Comment
  RSA263730  Allophyllum glutinosum E. W. Lathrop 1968-5-22 6907 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  RSA484740  Alnus rhombifolia A. C. Sanders, E. J. Lawlor 1988-10-22 8726 Riverside Pinyon Flats, Santa Rosa Mountains, along Horsethief Creek where the trail from Dolomite Mine crosses. 1100 Comment
  UC455281  Alnus rhombifolia I. J. Condit 1910-6-23 Riverside Strawberry Valley San Jacinto Mts. (along stream) 1676 Comment
  IRVC28975  Amaranthus B. L. Phillips 1994-9-12 s.n. Riverside Riverside, UCR campus 336 Comment
  UCR281808  Amaranthus blitoides Mitch Provance 2012-10-15 1012- 11 Riverside San Gorgonio Pass, Banning, vicinity of 12th St. and W. Barbour St. 1540 Comment
  UCR93481  Amaranthus blitoides A. C. Sanders, S. Ogg 1994-7-28 15185 Riverside San Bernardino Valley, Colton & Riverside: Santa Ana River from the Riverside Ave. (N. Main St.) bridge downstream almost to Market St. crossing, both sides of San Bernardino Co. line, but mostly RIV 246 Comment
  JOTR33808  Amaranthus fimbriatus La Doux, Tasha, B. Truesdell 2007-11-9 3325 Riverside Joshua Tree National Park. Eagle Mountains; Lost Palms Canyon, near mouth of canyon along south park boundary (STOP 3) 635 Comment
  SD144099  Amaranthus fimbriatus B. Pitzer 1997-10-19 3354 Riverside N foot of Chuckwalla Mtn Rd on S side of Highway I-10, ca. 0.8 miles S of Highway at powerline rd. 500 Comment
  RSA402998  Amaranthus hybridus J. S. Stubblefield 1940-9-27 s.n. Riverside growing on ranch near Temecula Comment
  JOTR30809  Amaranthus torreyi Andre, Jim, Tasha La Doux 2008-9-16 10686 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
  UCR215452  Amaranthus torreyi Jim Andre, T. La Doux 2008-9-16 10686 Riverside Mojave Desert, Joshua Tree National Park, along Bell Mountain Road atop Bell Mountain, c. 0.3 mi. north of radio tower 1359 Comment
  SBBG32343  Ambrosia acanthicarpa L. S. Rose 1966-12-11 66094 Riverside Palm Springs 152 Comment
  CAS-BOT-BC22611  Ambrosia dumosa Alice Eastwood 1913-4-30 2990 Riverside Palm Springs Comment
  HSC78666  Ambrosia dumosa R. F. Thorne, Drs. Fosberg, Herbst, Sachet 1983-4-23 55425 Riverside Mouth of Whitewater Canyon, E of Whitewater Post Office at S end of ridge, in sandy wash E of bridge, and on base of W-facing slope of ridge 412 Comment
  RSA416963  Ambrosia dumosa N. C. Cooper 1949-4-8 3234 Riverside Mecca Pass east of Indio. 548 Comment
  UCR262464  Ambrosia dumosa A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41506 Riverside San Gorgonio Pass, north of San Gorgonio River wash, c. 3 miles east of Cabazon, south of I-10 and generally NE of water bottling plant 457 Comment
  UCR275449  Ambrosia dumosa Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-3-31 946 Riverside Sonoran (Colorado) Desert, wash crossing Midland-Rice Road, near saddle between Little Maria Mountains and Big Maria Mountains 320 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
  UCR172613  Ambrosia pumila A. C. Sanders, John F. Green 2006-5-18 32373 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
  CAS-BOT-BC273016  Ambrosia salsola Roxana S. Ferris 1918-6-17 1001 Riverside 5 miles east of Gruendikes Well, on Mecca - Blythe Road Comment
  RSA788982  Ambrosia salsola Aaron C. Sedgwick, David Fraker 2012-3-28 24 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  SEINET10875649  Ambrosia salsola David B. Dunn, Shogo; Schroeder; Bruskin; A. Folsom 1948-3-14 Dunn 3726 Riverside Found growing in a wash. Indio Hills, Colorado Desert. Near Pushawalla. Comment
  SEINET238514  Ammannia coccinea A. C. Sanders, Mitch Provance 1999-9-26 23114 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd. 1.4 mi. S of Eden H 433 Comment
  UCR91732  Amorpha californica A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18100 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  RSA765305  Amorpha fruticosa Doris Bowers 1972-4-15 1836 Riverside Pulgas Creek Canyon, Rancho California 396 Comment
  RSA0065487  Amsinckia Eleanor McClung 1937-3-23 26 Riverside Palm Springs. Comment
  UCR4153  Amsinckia intermedia R. H. Sauer 1965-2-28 s.n. Riverside Box Springs Mtns 366 Comment
  UCR90984  Amsinckia intermedia Scott D. White 1996-3-31 3860 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 463 Comment
  UCR275272  Amsinckia retrorsa T. B. Salvato, Gregg Miller 2005-6-7 1492 Riverside Peninsular Range, Gavilan Hills, Lindell (Stovepipe) Road north of Snake Road, c. 4.5 miles north-northwest of Lake Elsinore 640 Comment
  POM14034  Amsinckia tessellata P. A. Munz, D. D. Keck 1922-4-15 4987 Riverside Near Moreno. Grain field. 366 Comment
Read comments
Mar 20 2011
  UCR30073  Amsinckia tessellata George K. Helmkamp 1983-4-5 483 17 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  UC501453  Amsonia tomentosa Frank W. Peirson 1928-4-25 7921 Riverside ca. 10 mi. s. 29 Palms (White Tank Region); White Tank Region Comment
  RSA27890  Amsonia tomentosa var. tomentosa C. L. Hitchcock 1940-3-31 5882 Riverside 0.5 mile below Cottonwood Springs Comment
  SDSU12882  Anagallis arvensis J. Jill Steinberg with Leon Steinberg 1998-4-9 44 Riverside Ca. 1/4 mile along foot trail leading southeast from road, approximately 1/4 mile northeast of Santa Margarita (SDSU) Field Station trailer, north of Santa Margarita River. 335 Comment
  RSA543603  Ancistrocarphus filagineus Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6135 Riverside Santa Ana Mountains, S side of Elsinore Peak. 1037 Comment
  UCR172206  Anemopsis californica 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
  UC29461  Anisocoma acaulis H. M. Hall 1901-6-1 Riverside s side, wooded slopes and benches San Jacinto Mountains 1737 Comment
  UC485492  Antennaria argentea A. W. Anthony 1899-1-1 Riverside San Jacinto Mt. Comment
  RSA0000866  Antennaria speciosa H. M. Hall 1901-07 2401 Riverside San Jacinto Mountains. Tamarack Valley. 2835 Comment
  JEPS5302  Antirrhinum coulterianum W. L. Jepson 1928-4-19 12433 Riverside 5 mi n Elsinore 609 Comment
  RSA4396  Antirrhinum coulterianum R. C. Bacigalupi 1954-4-25 4396 Riverside First-year 'burn' along Califor. Highway 79, close to summitof St. Jones Grae, +- 0.75 miles. south of Sage [9 1/2 miles north of juntion with Calif. Highway 71] 732 Comment
  UC444962  Antirrhinum coulterianum Katharine Brandegee 1896-4-10 Riverside Agua Caliente Comment
  UCR155052  Antirrhinum coulterianum Jason L. Hlebakos 2005-5-30 825 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
  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
  UCR280616  Antirrhinum kelloggii Mitch Provance, Jeremiah George, Matt K. Beyers 2017-4-3 417- 034 Riverside Gavilan Hills, Alberhill Canyon, dirt road portion of Lake St., about 0.8 miles N of Hwy. 15 at Alberhill. 457 Comment
  UCR281206  Antirrhinum kelloggii Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-14 417- 29 Riverside Peninsular Ranges, Sedco Hills (east end), along transmission road, from 0.2 mi W of Beverly St. to the vicinity of intersection with Green Meadow Way 592 Comment
  UCR104938  Antirrhinum nuttallianum A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20701 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek [c. 2.5 miles below Twin Pines Rd. on dirt road] 854 Comment
  UCR22075  Antirrhinum nuttallianum Steve Boyd 1980-5-8 216 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 625 Comment
  UCR3440  Antirrhinum nuttallianum subsp. nuttallianum John Minnich 1964-3-9 64-3-9- 01 Riverside Peninsular Range, City of Riverside. 'Two Trees Canyon' c. 0.25 mi. from end of Two Trees Road, near the east end of Blaine St. 366 Comment
  SD143759  Aphanes occidentalis A. C. Sanders, G. Helmkamp 1997-3-15 19956 Riverside Lake Skinner area: Northeast of Skinner Lake in a tributary to Rawson Canyon, along dirt road. North-facing slope in a brushy side canyon 502 Comment
  CLARK-A1528-1418  Apiastrum angustifolium John C. Roos 1938-3-28 728 Riverside La Sierra Comment
  RSA496360  Apiastrum angustifolium Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-19 3034 Riverside Vail Lake area, 0.5 mi WNW of dam, clay soil deposits on dissected bench, S flank Oak Mountain. 488 Comment
  UCSB4906  Apocynum androsaemifolium Kamb, Peter 1948-7-11 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  RSA604418  Aquilegia formosa C. Epling, Wm. Robison 1935-6-30 s.n. Riverside Mt. San Jacinto: Between Pine Flat Camp and Fuller's Mill. Comment
  RSA761226  Aquilegia formosa Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 731 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UC855414  Arabis glaucovalvula P. A. Munz and I. M. Johnston 1922-5-7 5251 Riverside 2 mi w Keyes Ranch; Little San Bernaridno Mts. 1066 Comment
  RSA49195  Arabis perennans P. A. Munz 1949-4-13 13049 Riverside Cottonwood Springs, west end of Eagle Mts. Colorado Desert 1143 Comment
Read comments
Oct 9 2010
  RSA66508  Arabis perennans F. W. Peirson 1922-4-10 2869 Riverside Murray Canyon near Palm Springs. 610 Comment
  UCR18483  Arabis pulchra A. C. Sanders 1978-6-11 00219 Riverside San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  UCR21187  Arabis pulchra A. C. Sanders 1980-5-1 1383 Riverside San Jacinto Mtns, Garner Valley area, 0.7 mi NE of the Kenworthy R.S. on Morris Ranch Rd. 1524 Comment
  JEPS40125  Arceuthobium campylopodum Carl V. Meyer 1929-1-5 688 Riverside Tahquitz Ridge San Jacinto Mtns 1981 Comment
  JEPS42546  Arctostaphylos glandulosa subsp. glandulosa A. E. Wieslander 1929-4-1 Riverside e side of river North Fork San Jacinto 1219 Comment
  UC1137194  Arctostaphylos glandulosa subsp. glandulosa Willis E. Pequegnat 1940-6-13 Riverside sw face Santiago Peak; Cleveland National Forest, Corona Quadrangle, Santa Ana Mts. Comment
  RSA629450  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-16 16572 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA139984  Arctostaphylos glandulosa var. adamsii A. E. Wieslander 1938-10-23 822 Riverside Idyllwild. 1524 Comment
  RSA631723  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19292 Riverside Highway 79, at Radec. 580 Comment
  RSA631777  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19270 Riverside Highway 79, 5 km west of Radec. 580 Comment
  RSA631791  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19565 Riverside Highway 79, 4 km west of Aguanga. 660 Comment
  UC1506090  Arctostaphylos glauca R. T. Clausen 1963-4-21 63056 Riverside summit of ridge between Weber Valley and Reed Valley; Transverse Ranges Comment
  POM171100  Arctostaphylos glauca var. eremicola W. L. Jepson 1914-5-18 6004 Riverside Pinyon Well grade, Pinyon Well Mts., N. Colo. Desert. Comment
  HSC101788  Arctostaphylos parryana J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13205 Riverside Along State Route 74 1558 Comment
  RSA633552  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21797 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 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
  RSA635785  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16528 Riverside Red Mountain Road, 5 km east of R3. 1000 Comment
  UCR3219  Arctostaphylos pungens V. L. McFarland 1964-5-3 s.n. Riverside San Jacinto Mtns., by the side of Lake Fulmor, south of Banning [on Hwy 243] 'el. 7000 ft. 1646 Comment
  UCR92376  Arctostaphylos pungens F. M. Reed 1928-7-10 6016 Riverside San Jacinto Mtns, Hillsides about Strawberry Valley, Idyllwild 1677 Comment
  UCSB4762  Arctostaphylos pungens Kamb, Peter 1948-7-4 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  RSA636006  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19553 Riverside Carancho Rd., W. of Temecula. 440 Comment
  SD148178  Arctostaphylos rainbowensis A. C. Sanders, Kent Beaman 2002-5-10 25056 Riverside Santa Rosa Plateau; hills west of the head of De Luz Creek, 0.4 mile south of Tenaja Road on west side of Calle Roble near Avenida Matorral. 671 Comment
  UCR84602  Arenaria douglasii Scott D. White, S. Ogg 1994-4-21 1951 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  UCR94613  Arenaria macradenia 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
  SFV21857  Argemone corymbosa J. R. Pucci 2001-5-7 14 Riverside San Jacinto Mountains Chino Canyon. Along abandoned road off north side of Tramway Road, 2 miles west of Highway 111. 425 Comment
  RSA210979  Argemone munita C. W. Tilforth 1969-7-25 218 Riverside Terwilliger Road. Terwilliger Valley, se of Anza Comment
  UCR3355  Argemone munita Heidi A. Haid 1964-5-10 11 Riverside Hwy 79, c. 1 mi. east of Aguanga 610 Comment
  UCR41215  Argemone munita N. M. Fellows, A. C. Sanders 1985-4-9 136 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  CAS-BOT-BC401676  Argemone munita subsp. munita Alice Eastwood 1913-4-30 3109 Riverside Palm Springs Comment
  SEINET191852  Aristida adscensionis C. L. Hitchcock 1940-3-30 5878 Riverside Cottonwood Spring Comment
  UCR133745  Aristida adscensionis F. R. Fosberg 1932-3-13 8102 Riverside Sonoran (Colorado) Desert, Coachella Valley, Thousand Palms Canyon 213 Comment
  UCR217799  Aristida adscensionis Jim Andre, T. La Doux 2010-2-28 12554 Riverside Lower Colorado River Valley, along Hwy 95 c. 25 miles north of Blythe, on east side of Big Maria Mountains, under radio tower 83 Comment
  RSA659771  Aristida purpurea J. C. Roos 1951-10-19 5325 Riverside Badlands at Old Jackrabbit trail 610 Comment
Read comments
Mar 20 2011
  RSA795925  Aristida purpurea Duncan S. Bell 2009-4-19 284 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  SEINET10513068  Aristida purpurea Leila M. Shultz, John S. Shultz 1985-4-15 Shultz 8245 Riverside Chuckawalla Valley depression along Wiley's well road, Sec 4, T 8 S, R 20 E. Common in loose sand. 122 Comment
  UCR21296  Aristida purpurea var. longiseta A. C. Sanders, K. Berg 1980-5-1 1363 Riverside San Jacinto Mountains, Garner Valley. Dry bench above valley floor 0.25 mi NW of Kenworthy Ranger Station 1433 Comment
  UC576337  Aristida purpurea var. nealleyi H. S. Yates 1937-6-27 6721 Riverside Deep Canyon Thermal Quadrangle (head) 1219 Comment
  UCR24338  Aristida purpurea var. nealleyi John C. Roos, Lucille Roos 1950-10-21 5012 Riverside Mojave Desert, Little San Bernardino Mountains, Wonderland of Rocks [Joshua Tree National Park] 1220 Comment
  UCD56874  Aristida ternipes var. gentilis H. S. Yates 1937-6-27 6709 Riverside lower San Jacinto River Canyon. 640 Comment
  IRVC474  Artemisia californica R. H. Whittaker, W. A. Niering 1963-5-29 SJ 60 61 Riverside San Jacinto Mtns: San Jacinto Valley 564 Comment
  UCR141235  Artemisia californica A. C. Sanders, Mike Misenhelter 2004-10-6 28831 Riverside Santa Ana Mtns./Santa Rosa Plateau, hill 2139 at west end of the Mesa De Colorado, private land on the west side of Via Volcano adjacent to the Santa Rosa Plat. Ecol. Reserve 640 Comment
  POM320341  Artemisia douglasiana Patricia Wilder 1971-11-11 5301 Riverside Along Santa Ana River, north off of Jurupa Ave., opposite Sheppard Street at crossing of the Union Pacific Railroad. Drainage Area: Santa Ana River. 229 Comment
  UC64840  Artemisia douglasiana E. A. Zumbro 1904-1-1 419 Riverside Cold Water Canon Santa Ana Mts., Cold Water Canon Comment
  RSA0104642  Artemisia ludoviciana Duncan S. Bell 2014-11-14 7707 Riverside Santa Rosa Mountains; collecting in the Santa Rosa Mountain Wilderness area; west side of Martinez Mountain; at meeting point of Horsethief Creek and the Cactus Spring Trail. 1055 Comment
  RSA125971  Artemisia ludoviciana subsp. albula E. K. Balls, Percy C. Everett 1957-11-4 22747 Riverside Snow Creek, near old Fish Hatchery and through wash. 701 Comment
  RSA289831  Artemisia ludoviciana subsp. albula B. A. Prigge 1980-8-25 4025 Riverside San Gorgornio Pass: 1 mi. SE of Fingal siding, S Pacific R.R. 451 Comment
  UCR34918  Artemisia ludoviciana subsp. incompta L. B. Ziegler 1967-8-30 230 Riverside San Jacinto Mtns, Hemet Valley 1357 Comment
  UCR100165  Artemisia tridentata Scott D. White 1992-12-16 982 Riverside Vail Lake area, c. 9 air mi east of Aguanga (junction of Hwys 371 & 79) & 3 air mi north of Beauty Mtn Peak. 1372 Comment
  UCR138556  Artemisia tridentata Steve Boyd, D. E. Bramlet 1988-10-8 2877 Riverside San Jacinto Mtns. area, Cahuilla Mountain, SW of Anza at head of Bautista Canyon, along the crest of the mountain 1707 Comment
  UC22960  Asclepias californica H. M. Hall June 1901 2210 Riverside s side San Jacinto Mountains 1706 Comment
  RSA20303  Asclepias erosa Roxana S. Ferris 1938-5-15 9520 Riverside 19 mi. from Cottonwood Springs, Riverside Co. N end of Pinto Basin Comment
  UCR182539  Asclepias fascicularis Mitch Provance 2003-7-4 4636 Riverside San Bernardino Valley, Riverside, Along Jackson St., between Audrey and Colorado Aves. 226 Comment
  SBBG5721  Asclepias subulata M. A. Piehl 1963-9-18 63841 Riverside US 60, 70, 7.5 mi W of jct with Joshua Tree Monument Rd 373 Comment
  RSA4916  Astragalus aridus C. B. Wolf 1932-4-28 3078 Riverside 19 mi. W. of Blythe on the Mecca rd. 122 Comment
  UCR166013  Astragalus aridus Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  CAS-BOT-BC177723  Astragalus crotalariae F. O. Ballou 1926-2-28 s.n. Riverside Fish Springs near Oasis Comment
  SBBG3169  Astragalus crotalariae H. and M. Dearing 1940-1-1 4064 Riverside NE end of Salton Sea Comment
  UCR272508  Astragalus didymocarpus Mitch Provance 2013-2-16 213- 01 Riverside Santa Ana River Valley, Riverside, Arlanza area, W side of Hole Lake and adjacent mesa. 226 Comment
  RSA90156  Astragalus didymocarpus F. W. Peirson 1914-1 576 Riverside Whitewater, east of Cabezon Comment
  UC1128784  Astragalus douglasii var. parishii H. S. Yates 1937-6-27 6717 Riverside near Idlewild; San Jacinto Quad., near Idlewild Comment
  RSA707349  Astragalus lentiginosus var. coachellae Jonathan Snapp-Cook, Kurt Roblek, Kevin B. Clark, Reas Chavez 2005-6-30 CFW- 09 Riverside Rancho Mirage, eastern Riverside County. 0.5 miles NWW of intersection of Ramon Road and Los Alamos Way. This area is referred to as Big Dune. 91 Comment
  UCR84217  Astragalus lentiginosus var. coachellae G. R. Ballmer, G. F. Pratt, Kay Stockwell 1995-2-12 s.n. Riverside San Bernardino / Colorado Desert, Mission Creek Canyon, near gate on Mission Creek Road east of the ranch 640 Comment
  SD146277  Astragalus nuttallianus B. Pitzer, Tracy Tennant 1998-2-21 3533 Riverside Hayfield Dry Lake, on the lakebed, 0.50 to 0.75 mile southeast of the pumping station. 395 Comment
  UCR232513  Astragalus nuttallianus var. cedrosensis Dave Silverman, Mark Bibbo 2010-3-31 7900 Riverside Sonoran (Colorado) Desert, Palo Verde Mesa, E of southern McCoy Mtns, 1.5 km W of Black Creek Rd, 5.4 km N of I-10, and 6.8 km ENE of McCoy Peak 175 Comment
  RSA49388  Astragalus nuttallianus var. imperfectus P. A. Munz 1949-4-11 12995 Riverside North base of Eagle Mtns. 945 Comment
  UCR208928  Astragalus nuttallianus var. imperfectus M. B. Dunkle 1935-3-31 4445 Riverside Sonoran (Colorado) Desert, Cottonwood Mtns., Cottonwood Springs [Canyon] '2300 ft. 915 Comment
  CAS-BOT-BC194201  Astragalus pachypus Parish 1881-1-1 1134 Riverside Temecula Canyon Comment
  CAS-BOT-BC194126  Astragalus pomonensis Carl B. Wolf 1935-4-7 6298 Riverside Gavilan Hills Region, 1 mi. W of Val Verde 487 Comment
  CLARK-A1528-455  Astragalus pomonensis Ellen Predmore 1971-5-3 Riverside Gilman Hot Springs Comment
  SEINET238670  Astragalus pomonensis A. C. Sanders, T. B. Salvato 2000-5-25 23401 Riverside Menifee Valley: south of Newport Road north of Holland Road. and east of Bradley Road 2 mies due east of Ralilraod Can 460 Comment
  UCR4138  Astragalus pomonensis Ronald M. Cope 1965-3-12 s.n. Riverside Riverside, c. 100 yards below where Gage Canal goes underground after having crossed Le Conte Drive 259 Comment
  POM26484  Astragalus pomonensis Marcus E. Jones 1900-7-13 s.n. Riverside Dripping Spring, near Temecula. 366 Comment
  RSA0006865  Astragalus tricarinatus J. B. Feudge 1926-5-9 1462 Riverside Keyes Ranch, Little San Bernardino Mts 1220 Comment
  RSA525687  Athysanus pusillus Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4558 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake Comment
  UCR107413  Athysanus pusillus B. G. Pitzer 1997-3-23 2965 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  SBBG69663  Atrichoseris platyphylla M. N. Ackley 1928-3-31 163 Riverside Hidden Spring Cyn 182 Comment
  RSA0015058  Atriplex coronata var. notatior D. E. Bramlet, F. Roberts, I. Anderson 2005-6-10 3877 Riverside 4.5 miles west of Hemet, 2000 feet south of Stetson and 700 feet east of California. 456 Comment
  RSA0089542  Atriplex coronata var. notatior D. E. Bramlet, Michelle Balk, R. E. Riefner Jr. 2006-4-3 3923 A Riverside Perris-Aguanga Basin Region; San Jacinto Valley: west Hemet area, north of Stetson Ave. and east of the EMWD canal. 456 Comment
  RSA516693  Atriplex coronata var. notatior Marc Baker, Robert Johnson 1990-5-20 7851 Riverside southeast of Bernasconi Hills. T4S R3W section 23. 433 Comment
  UCR70520  Atriplex coronata var. notatior D. E. Bramlet 1991-5-7 2117 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 AT&SF railroad tracks & 300 m west of MWD canal 500 Comment
  RSA0021478  Atriplex glauca R. E. Riefner 2002-12-12 02 -521 Riverside City of Corona, along Magnolia Ave off ramp on SW side of I 15 Freeway. 216 Comment
  SD127576  Atriplex hymenelytra David Charlton 1988-2-19 1202 Riverside Orocopia Mountains; Mudstone wash north of Mecca Hills, Box Canyon on road from Cottonwood Wash to Mecca. 459 Comment
  UC1136251  Atriplex hymenelytra H. S. Yates 1937-3-23 6449 Riverside 15 mi nne Mecca; Thermal Quad., nne of Mecca Comment
  UC1922405  Atriplex hymenelytra Naomi Fraga, Lisa Rojas 2005-2-10 1379 a Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCR163798  Atriplex lentiformis John F. Green 2005-10-26 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley; ENE of Salton Sea State Park, along Coachella Canal 24 Comment
  RSA289850  Atriplex lentiformis subsp. lentiformis B. A. Prigge 1980-9-17 4057 Riverside Coachella Valley Stormwater Channel: E of Munroe St., Indio. -3 Comment
  UC1076221  Atriplex polycarpa Margaret Stason 1927-2-12 Riverside Thousand Palms Colorado Desert, Thousand Palms Comment
  UC65009  Atriplex polycarpa E. E. Schellenger 1904-10-16 34 Riverside Palm Springs , Palm Springs (s Colorado Desert) Comment
  UCD97620  Atriplex prostrata O. F. Clarke 1970-9-24 s.n. Riverside Riverside, Santa Ana River bottom, just E of the old Salt Lake R.R. Bridge. 216 Comment
  SEINET4136016  Atriplex rosea Steve Boyd 1991-7-13 6411 Riverside Temescal Canyon, W base of Gavilan Hills, area of old glass factory between Temescal Wash and I-15, just S of Cajalco Rd.; 0 Comment
  RSA737104  Atriplex suberecta Justin M. Wood 2008-10-29 207 Riverside Murrieta Creek- 2 miles SE of Murrieta, open field N of Winchester Rd and between the creek and Jefferson Ave. 314 Comment
  UCR129807  Atriplex suberecta Scott D. White 2001-4-13 8322 Riverside Beaumont Badlands, County Landfill area north of Moreno Valley, c. 0.25 air mi. NW of the SR-60 freeway junction with Gilman Springs Rd., unnamed wash 701 Comment
  RSA495444  Avena barbata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2972 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  POM299250  Ayenia compacta A. M. Alexander, Louise Kellogg 1941-5-26 2236 Riverside Monsen Canyon, Eagle Mts. 823 Comment
  SDSU14320  Azolla filiculoides Michelle Perl 2002-4-20 13 Riverside Santa Margarita Ecological Reserve 1/8 mile east of the junction between Santa Margarita River and Via Tornado Road. 229 Comment
  JOTR16561  Baccharis brachyphylla Hogan, J. 1974-9-27 164 Riverside Joshua Tree National Park. RYAN CAMPGROUND 1325 Comment
  RSA595736  Baccharis brachyphylla L. C. Wheeler 1966-10-15 8984 Riverside San Jacinto Mountains. By Black Hill, by Pines to Palms Highway. 976 Comment
  UCSB42280  Baccharis brachyphylla Roos, John 1958-9-27 Riverside Carrizo Creek near Black Hill, Santa Rosa Mtns. 914 Comment
  CAS-BOT-BC106702  Baccharis salicifolia L. R. Abrams 1926-3-26 11069 Riverside Palm Canyon Comment
  POM318590  Baccharis salicifolia Patricia Wilder 1971-3-20 4881 Riverside Along Santa Ana River at end of Pedley Steet, Norco; south side of river 244 Comment
  SBBG101771  Baccharis salicifolia S. Boyd with T. Ross 1991-6-14 6400 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
  UCR103740  Baccharis salicina A. C. Sanders 1997-11-20 21619 Riverside Lake Skinner Reserve area, mouth of Rawson Canyon, just NE of Lake Skinner. 457 Comment
  RSA89881  Baccharis sarothroides J. C. Roos 1950-10-28 5021 Riverside Box Springs. 473 Comment
  SD60247  Baccharis sarothroides Carl B. Wolf 1932-10-12 4298 Riverside Pinyon Wells, Little San Bernardino Mountains 1220 Comment
  IRVC513  Baccharis sergiloides R. H. Whittaker, W. A. Niering 1963-6-7 SJ 283 Riverside slope SE-5o wash, sand alluvial soil. 1037 Comment
  RSA296132  Baccharis sergiloides B. A. Prigge 1980-8-5 3847 Riverside Whitewater Canyon: 0.5 miles N of trout farm 701 Comment
  RSA1081  Bahiopsis parishii J. T. Howell 1927-4-1 527 Riverside Mission Creek, Colorado Desert 610 Comment
  UCSB37915  Bahiopsis parishii Roos, John 1965-9-26 Riverside Santa Rosa Mtns. 701 Comment
  SD236178  Baileya multiradiata John F. Green 2006-5-2 Riverside Peninsular Ranges: City of Temecula, Immediately N and S of Murrieta Hot Springs Rd. along San Diego Aqueduct right-of-way 366 Comment
  UCR85075  Baileya multiradiata A. C. Sanders, Helmkamp & MacKay 1995-3-12 16019 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  CLARK-A1528-1645  Baileya pauciradiata John C. Roos 1949-3-26 4122 Riverside Indio Comment
  UC472195  Baileya pauciradiata S. B. Parish 1907-4-19 6080 Riverside Palm Springs Colorado Desert Comment
  RSA0106718  Bebbia juncea Duncan S. Bell, Amanda Turek 2010-1-30 531 Riverside Arica Mountains; the central part of the range; limestone ridges to the west of Priests Mine. 448 Comment
  RSA696870  Bebbia juncea J. Russell Bruff 1928-11-23 2 Riverside Whitewater. Comment
  RSA709803  Bebbia juncea A. C. Sanders 2004-5-12 27891 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  UC1929904  Bebbia juncea Scott D. White, Angelia Carey 2004-7-2 10563 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. San Jacinto 7.5' Quad. Comment
  UCR52151  Bebbia juncea Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2151 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  CAS-BOT-BC100112  Bebbia juncea var. aspera L. R. Abrams 1926-3-26 11058 Riverside Palm Springs to Palm Canyon Comment
  CAS-BOT-BC100138  Bebbia juncea var. aspera Joy Keck 1935-4-15 3838 Riverside Lower Morongo Canyon Comment
  JEPS108702  Bebbia juncea var. aspera R. Kobaly, A. Singer, C. Spurrier, D. Thompson, M. J. Way, J. Willouby 2001-6-12 1 Riverside San Gorgonio Wilderness, Whitewater Canyon, 4.8 km N of Hwy 10 570 Comment
  UC1281253  Bebbia juncea var. aspera H. E. McMinn 1935-6-27 4057 Riverside Palm Canyon region Palm Canyon Comment
  UC68875  Bebbia juncea var. aspera H. M. Hall 1905-5-2 5971 Riverside Chuckawalla Mts., Colorado Mts. Colorado Desert, Chuckawalla Mts. Comment
  CLARK-A1528-1369  Beloperone californica John C. Roos 1949-4-11 4233 Riverside Chuckwalla Mountains Comment
  POM219102  Berberis nevinii F. M. Reed 1932-6-20 7242 Riverside One half mile east of Dripping Springs on road from Temecula to Aguanga. Comment
  RSA544440  Bergia texana Steve Boyd, Timothy S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6347 Riverside Skunk Hollow Area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aqueduct. Comment
  CLARK-A1528-3076  Bloomeria crocea Mark Wilson 1980-5-30 7 Riverside San Timoteo Canyon Comment
  UCR232024  Bloomeria crocea John F. Green 2008-4-24 11- 02 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris along Hwy 74, vicinity of Kimes Ln. 511 Comment
  JOTR33782  Boechera dispar La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2933 Riverside Joshua Tree National Park. Little San Bernardino Mountains: North side of Quail Mountain; Loamy, gravelly slope in saddle below the summit Comment
  JOTR30923  Boechera xylopoda La Doux, Tasha, Bill Truesdell 2008-4-29 2598 Riverside Joshua Tree National Park. Little San Bernardino mountains, north end of Quail Mountain; Steep rocky slopes above side canyon, south of Johnny Lang Canyon (Stop 8) 1219 Comment
  UC154625  Boerhavia coccinea Rensselaer J. Smith May 1904 328 Riverside Palm Canyon Comment
  CAS-BOT-BC434530  Boerhavia intermedia Ira L. Wiggins 1934-9-4 8034 Riverside Colorado Desert 10 miles NE. of Mecca Comment
  UCR260950  Boerhavia triquetra Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6023 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
  SD241902  Boerhavia triquetra var. intermedia Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6014 Riverside Chuckwalla Valley; south side of Interstate 10, approximately 16 air miles west of Blythe and about 2 air miles southeast of Wileys Well. 121 Comment
  JOTR35995  Boerhavia wrightii Harding, Mitzi, Mark Wheeler 2012-9-4 206 Riverside Joshua Tree National Park. Clark's Pass; low area of mud flats surrounded by fine sand hills, just south of Highway 62 (stop 5) 538 Comment
  UC2026380  Boerhavia wrightii Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10051 C Riverside COLORADO DESERT, CHUCKWALLA MOUNTAINS: Northwest base of the range, south of Eagle Mine Road exit on Interstate 10. Comment
  UCR128934  Boerhavia wrightii Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Sonoran (Colorado) Desert, Canyon Spring, Orocopia Mtns. 372 Comment
  UCR43414  Boerhavia wrightii R. F. Thorne, R. Dahlgren 1979-8-22 53572 Riverside Joshua Tree National Monument, just south of San Bernardino Co. line near jct of road to Split Rock and 29 Palms, valley west of Pinto Mtns. 1098 Comment
  CAS-BOT-BC145585  Bouteloua aristidoides Peter H. Raven 1958-1-24 11453 Riverside Fargo Canyon. Comment
  CLARK-A1528-4507  Bouteloua aristidoides John C. Roos 1937-8-22 478 Riverside Comment
  SBBG14337  Bouteloua aristidoides E. R. Blakley 1961-9-12 4714 Riverside Pinyon Flat, Palms to Pines Hwy 1219 Comment
  UCR111989  Bouteloua aristidoides A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23370 Riverside Coachella Valley, east side of Coachella Canal between I-10 and Ave. 52, east of Coachella 24 Comment
  RSA780275  Bouteloua aristidoides var. aristidoides Stephanie Rockwood, Christi Gabriel 2011-10-12 101 Riverside Unnamed Road heading toward Arica Mountains. Off Blythe/Rice Road. Base of Aricas. 334 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
  RSA704542  Bouteloua barbata LeRoy Gross 2005-3-3 1580 Riverside Palen Mountains, south side. Near end of old prospect road., Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W 207 Comment
  CAS-BOT-BC145638  Bouteloua curtipendula var. caespitosa H. M. Hall 1901-6-1 2138 Riverside San Jacinto Mountains. Santa Rosa Mountains. Coyote Canyon. 1524 Comment
  JEPS29308  Bowlesia incana Rimo Bacigalupi and L. Heckard 1962-3-25 8403 Riverside about 10 air mi nw of Elisnore (above Temescal Wash, near Arcilla siding of A.T. & S.F. Railway, just above state highway 71); A.T. & S.F. Railway 289 Comment
  UCR20928  Bowlesia incana M. Wilson 1980-5-30 053080- 5 Riverside San Timeteo Canyon, [Beaumont Badlands] 1.6 mi. north of Locust on Redlands Blvd. Comment
  CHSC8088  Brandegea bigelovii Edward L. Smith 1958-3-22 389 Riverside Located 6 mi. e of Rice, near Priest's Well. 640 Comment
  POM254737  Brandegea bigelovii P. A. Munz 1940-3-24 15695 Riverside 3 miles south of Cottonwood Springs, Eagle Mts 457 Comment
  SD247409  Brandegea bigelovii T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7311 Riverside Sonoran (Colorado) Desert: south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road, c. 1.4 km west of its juction with Augustine Pass Road (East of Aztec Mines 7.5'Q) 136 Comment
  SEINET3507546 Image available Brassica nigra Howard Scott Gentry 1948-5-30 8173 Riverside Southern California. Gentry Farm, ca. 3 miles NE of Murrieta. Comment
  UC56981  Brassica rapa H. M. Hall 1902-4-1 2959 Riverside vicinity of Riverside; Southern California 243 Comment
  CLARK-A1703-1190  Brassica tournefortii Charles S. Papp 1964-5-22 468 Riverside Riverside Comment
  RSA0102676  Brassica tournefortii Scott D. White, Angelia Carey 2004-4-5 9977 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  RSA663849  Brassica tournefortii C. R. Annable 1995-3-9 2257 Riverside ca. 13km N of Rancho Mirage. BLM land behind A-1 Cement. Comment
  UCR75078  Brassica tournefortii A. C. Sanders, E. J. Lawlor 1992-4-4 12122 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  CAS-BOT-BC106340  Brickellia atractyloides var. arguta J. E. Cole 1942-5-19 959 Riverside Ruby Lee Mine, Joshua Tree National Monument 914 Comment
  RSA777276  Brickellia californica Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4749 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 W116.65122 604 Comment
  RSA725435  Brickellia californica var. californica Michael Wall 2007-10-19 440 Riverside San Jacinto Valley, Bautista Creek drainage, on flats above Bautista Creek, ca. 6.5 miles miles SE of jct. with Fairview Ave. 753 Comment
  CAS-BOT-BC106189  Brickellia desertorum John C. Roos 1950-10-15 5009 Riverside Dry Morongo Canyon about 1 mile south of Riverside-San Bernardiino County line. 609 Comment
  UC1010313  Brickellia desertorum John and Lucille Roos 1950-9-30 4996 Riverside .5 mi se of Citrus Experiment Station (Box Springs Grade); Box Springs Grade 396 Comment
  SD21523  Brickellia incana Frank F. Gander 1938-5-21 5766 Riverside Shaver's Summit Comment
  RSA561879  Bromus arenarius Steve Boyd, Timothy S. Ross 1992-6-10 7630 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about 'Potrero Escondido',, an isolated area of low relief topping the ridge system due west of the junction on Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek 671 Comment
  LA13864  Bromus berteroanus F. M. Reed; 1909-4-7 1274 Riverside Box Spring Mountains Comment
  RSA741063  Bromus carinatus Scott D. White, Justin M. Wood 2008-6-5 12070 Riverside Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  CAS-BOT-BC148743  Bromus carinatus var. marginatus F. H. Billings 1931-2-23 s.n. Riverside Redlands. Comment
  CLARK-A1528-41  Bromus diandrus C. M. Flanagan 1973-5-12 OO 410 Riverside Morongo Indian Reservation 1158 Comment
  SEINET244863 Image available Bromus diandrus A. C. Sanders, Mark Elvin; Julie M. Vanderwier 2002-4-9 24919 Riverside Hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont. 610 Comment
  UCR229275  Bromus diandrus Ginny Short 2011-3-23 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley; Pushwalla Canyon, c. 11 miles east of Cathedral City 183 Comment
  RSA127000  Bromus grandis H. S. Yates 1936-8-29 6383 Riverside Fuller Creek [Poss. Fuller Mill Creek now?] 1677 Comment
  RSA131728  Bromus grandis E. K. Balls 1958-6-27 23293 Riverside Between Santiago Peak and Indian Truck Trail, along Main Divide, Santa Ana Mountains. 1372 Comment
  UCR102876  Bromus hordeaceus A. C. Sanders 1997-3-26 20133 Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  UCR108873  Bromus hordeaceus Heidi A. Haid 1968-3 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  RSA179501  Bromus hordeaceus E. W. Lathrop 1960-6-7 4882 Riverside 14 miles west of Murieta. Relondo Mesa. Comment
  JOTR35916  Bromus madritensis subsp. rubens De Groot, Sarah J., Jessica Chu, Loraine Washburn 2013-3-22 6864 Riverside Joshua Tree National Park. Cottonwood Spring; Fan palm oasis and surrounding slopes. 822 Comment
  POM47446  Bromus orcuttianus var. hallii Mary F. Spencer 1919-6-27 1232 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  CAS-BOT-BC185647  Bromus tectorum Scott D. White 1996-4-14 3911 Riverside East of Hemet. San Jacinto River Wash near Valle Vista, north of Highway 74, ca. 1.7 mile west of USFS Cranston Fire Station. 548 Comment
  CDA37834  Bromus tectorum Unknown Collector 2012-5-1 PDR# 1590361 Riverside Anza; Peony Gardens Nursery, 59880 Anzanita Lane near Burnt Valley Road. 0 Comment
  RSA748342  Bromus tectorum Justin M. Wood, Brandy Wood 2009-6-13 883 Riverside Idyllwild County Park, Lilly Creek and adj slope to W of campground. 1585 Comment
  RSA772964  Bromus tectorum Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4773 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA0019728  Bromus tectorum E. W. Lathrop 1966-5-15 6321 Riverside Tenaja Guard Station, Trabuco District, Cleveland National Forest. Comment
  UCR23968  Bromus trinii John C. Roos 1942-5-2 1120 Riverside Little San Bernardino Mountains, Live Oak Tank 1280 Comment
  UCR69796  Caesalpinia gilliesii A. C. Sanders, Chet McGaugh 1991-7-19 11144 Riverside Peninsular Range, Murrieta Hot Springs, large vernal pool on the south side of Murrieta Hot Springs Road, east of Via Princesa & north of Calle del Lago 348 Comment
  JOTR31864  Caesalpinia virgata La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2119 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  RSA405295  Caesalpinia virgata Ora M. Clark 1929-3-17 1753 Riverside S. La Quinta, Cali. Comment
  UC604866  Caesalpinia virgata Roxana S. Ferris and Ruth P. Rossbach 1938-5-16 9564 Riverside 2 mi. up Painted Canyon (Mecca Hills); , Painted Canyon Comment
  UC750624  Caesalpinia virgata Lewis S. Rose 1946-12-23 46301 Riverside Cathedral Canyon Wash 182 Comment
  UCR124000  Caesalpinia virgata George K. Helmkamp, E. A. Helmkamp 2001-4-14 6466 Riverside Coachella Valley, Indio Hills, 1.4 mi north of Ramon Rd on Avita Rd (Avita is 2.8 mi east of I-10) 46 Comment
  UC82887  Calandrinia ambigua C. R. Orcutt 1891-4-24 Riverside Indio Comment
  CAS-BOT-BC438493  Calandrinia ciliata John F. Green 2006-4-18 s.n. Riverside NE of Murrieta, just S of Los Alamos Rd. (Clinton Keith Rd.), on E and W sides of Liberty Rd. border between City of Murrieta and unincorporated French Valley. Comment
  RSA561786  Calandrinia ciliata Steve Boyd 1992-4-14 6842 Riverside San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail 341 Comment
  UCR111602  Calandrinia ciliata Mitch Provance 1998-4-8 1776 Riverside City of Riverside, Arroyo Tequesquite, NE side of proposed 'Andulka Park' just west of the corner of Chicago and Central Avs. 305 Comment
  UCR118453  Callisia repens A. C. Sanders, O. F. Clarke, Susan Sims 2001-11-28 24889 Riverside San Bernardino Valley Region, between Pedley and Mira Loma, Sims property at NE corner of Limonite Ave. and Bain St. 210 Comment
  CLARK-A1528-2363  Callitriche marginata John C. Roos 1952-4-16 5540 Riverside Edgemont Comment
  RSA85454  Callitriche marginata J. C. Roos 1952-4-16 5540 Riverside Edgemont, near Box Springs. 488 Comment
  SD90486  Calochortus albus E. W. Lathrop, Robert F. Thorne, E. Lathrop 1967-5-19 37984 Riverside Santa Rosa Plateau, Rancho Californica [California?], shaded grassy area under oak woodland, ca. 2 miles beyond turn-off to ranch headquarters. 609 Comment
  UCR24926  Calochortus invenustus A. C. Sanders 1980-8-23 1750 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  CAS-BOT-BC132462  Calochortus plummerae Mitch Provance 1998-6-9 631 Riverside Jurupa Mountains: SE Pyrite Canyon, ca .3 NW of the Jurupa Mountains Culture Center 366 Comment
  UCR30501  Calochortus plummerae John C. Roos, L. Roos 1952-5-30 5733 Riverside One year old burn on hills of North Moreno between Moreno and Redlands. In branch of San Timoteo Canyon. 503 Comment
  UCR183010  Calochortus splendens Mitch Provance 2003-5-5 4427 B Riverside San Berardino Valley, Norco, SW slopes of the La Sierra Hills, +- 0.9 mi. WNW of Mt. Grape (peak 1064) 244 Comment
  CAS-BOT-BC497282  Calochortus weedii var. weedii John Thomas Howell 1931-5-30 6586 Riverside Santiago Peak Trail, Santa Ana Mts. Comment
  POM13118  Calycadenia tenella Philip A. Munz 1922-5-19 5337 Riverside 5 miles NE of Murietta. 488 Comment
  UCR167375  Calycoseris wrightii John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  UCR213256  Calycoseris wrightii A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37457 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  SBBG93054  Calyptridium monandrum G. Ballmer 1990-5-5 Riverside SE boundary of San Jacinto Potrero land grant, just N of the Colorado River aqueduct, where the rd crosses crk at the mouth of unnamed cyn to the E Comment
  UC1584109  Calyptridium monandrum Steve Boyd, Tim Ross, Laurel Arnseth 1990-3-29 3833 Riverside at n side of mouth of Temecula Creek Canyon (and adjacent benches on s flank of Big Oak Mountain); Vail Lake Area, Temecula Creek Canyon 396 Comment
  UCR127353  Calyptridium monandrum A. C. Sanders, D. Malueg 2003-5-8 26574 Riverside Perris-Aguanga Basin region, 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 396 Comment
  UCR154642  Calyptridium monandrum A. C. Sanders, T. B. Salvato 2005-4-28 29768 Riverside Peninsular Ranges, Gavilan Hills; north of Santa Rosa Rd., 1 mi. SW of Ida Leona Mine 625 Comment
  UCR215624  Calystegia macrostegia subsp. arida Crystal Sheehan 2010-5-10 48 Riverside Peninsular Range; Gavilan Hills Region, Lake Mathews Reserve, c. 1/4 mi. south of 13225 Cajalco Road, south of Lake Mathews, c. 0.4 mi. SE of intersection of Cajalco Rd. and La Sierra Ave. 429 Comment
  POM9565  Calystegia macrostegia subsp. intermedia P. A. Munz, R. D. Harwood, I. M. Munz 1920-2-28 3254 Riverside 3 miles west of Corona. Comment
  UCR2851  Calystegia macrostegia subsp. longiloba Vivian Manns 1963-3-22 630322- 5 Riverside San Bernardino Valley Region, Riverside, Box Springs Mountains c. 1 mi E from end of Big Springs Road. 610 Comment
  SEINET2445404  Calystegia sepium Daphne K. Christopher, Hannah Stevens 2003-4-8 116 Riverside Santa Rosa Plateau Nature Conservancy Preserve. Coyote Trail near Hidden Valley trailhead. 556 Comment
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May 12 2020
  UCR116416  Camissonia bistorta A. C. Sanders, T. B. Salvato 2001-3-30 23870 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. Pina Colada 366 Comment
  UCR178151  Camissonia bistorta T. B. Salvato, Tracy Tennant 1998-4-23 MOR- 908 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon about 1 mile above locked gate, east side of road near old corrals, tree stand P-03 976 Comment
  RSA90987  Camissonia bistorta E. C. Jaeger 1925-12-22 s.n. Riverside Aguanga Comment
  UCR114142  Camissonia boothii B. G. Pitzer, J. Ross 1998-3-8 3601 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  RSA680555  Camissonia boothii subsp. condensata Scott D. White, Michael Honer 2003-4-30 9134 Riverside Shavers Valley. About 1-2 miles south west of unnamed freeway exit at pumping station. 396 Comment
  CSUSB178  Camissonia brevipes Rodney Hendrick 1965-3-14 Riverside In sandy area, dry wash, Box Canyon about 8 miles east of Mecca 182-274 Comment
  RSA617857  Camissonia brevipes Walter Wisura 1998-3-28 5114 Riverside 3.1 mi W of Corn Spring S of I-10. Comment
  RSA134912  Camissonia brevipes subsp. brevipes K. K. Muller 1958-3-22 916 Riverside Colorado Desert, desert floor, 7 miles E of Desert Center, Highway 60. Comment
  RSA485834  Camissonia brevipes subsp. brevipes T. S. Elias 1988-2-26 10678 Riverside Eagle Mountains. East of Joshua Tree National Monument. Comment
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Mar 21 2011
  UCR6057  Camissonia brevipes subsp. brevipes Steve Stadler 1966-2-27 22766- 18 Riverside Sonoran (Colorado) Desert, c. 2.9 mi. west of Chiriaco Summit, frontage road 1 mile from Desert Center to Indio Road & Joshua Tree Monument to Mecca Road 488 Comment
  RSA314452  Camissonia californica Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55450 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  RSA466175  Camissonia californica N. C. Cooper 1945-3-24 1616 Riverside Cabazon. 457 Comment
  UCR104921  Camissonia californica A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20660 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
  UCR214325  Camissonia californica A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38385 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
  JOTR16757  Camissonia campestris subsp. campestris Dengler, A. 1966-5-31 s.n. Riverside Joshua Tree National Park. LOST HORSE RANGER STATION 1249 Comment
  CLARK-A1528-3328  Camissonia claviformis John C. Roos 1947-2-15 3267 Riverside Eagle Mountain Comment
  POM211863  Camissonia claviformis subsp. aurantiaca L. R. Abrams 1926-3-26 11083 Riverside Between Palm Springs and Indian Wells. Comment
  RSA790630  Camissonia claviformis subsp. aurantiaca Aaron C. Sedgwick, David Fraker 2012-4-24 5 Riverside In the Palen Valley south of Hwy. 10 on Dupont Rd., ca. 2 mi. northeast of the Chuckwalla Mountains Wilderness Area. 183 Comment
  RSA291561  Camissonia confusa C. W. Tilforth, B. Busenberg 1980-6-17 2000 Riverside Slopes above wash 0.1 mi. in from Hiway 74 along north leg of Thomas Mtn. Rd., south of Lake Hemet. Comment
  RSA633323  Camissonia confusa Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38083 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  UCR249923  Camissonia graciliflora A. C. Sanders, Steve Boyd, Fred M. Roberts, Robt. L. Allen 2009-4-9 36792 Riverside Peninsular Range; Santa Ana Mtns., Elsinore Peak, c. 0.4 mi. SE of the summit 1014 Comment
  UCR220121  Camissonia ignota D. E. Bramlet 1989-4-7 1818 Riverside Perris-Aguanga Basin region, Lake Skinner County Park, southeast slope of Bachelor Mountain, c. 3200 ft. NW of Rawson Canyon & 8300 ft. east of Lake Skinner dam 476 Comment
  RSA0014606  Camissonia micrantha Justin M. Wood 2010-5-12 1681 Riverside Santa Ana Canyon: Santa Ana River; approx. 0.75 miles downstream of Prado Dam. Just NE of Green River housing estate. 137 Comment
  RSA752562  Camissonia micrantha Justin M. Wood 2009-3-3 328 Riverside City of Murrieta, south of Tanaja bridge and west of Murrieta Creek. 341 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
  RSA772123  Camissonia pallida subsp. pallida Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4832 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. 915 Comment
  RSA75687  Camissonia refracta F. W. Peirson 1926-1-31 6492 Riverside Dos Palmas [Spring], Colorado Desert. Comment
  UCR201464  Camissonia strigulosa Scott D. White, Justin M. Wood 2008-5-15 11974 Riverside San Jacinto Mountains, Garner Valley, northwest of Fobes Ranch Road and northeast of Hwy 74, valley bottom 1357 Comment
  UCR256898  Camissonia strigulosa LeRoy Gross, Caitlin Elam 2013-5-14 6044 Riverside Peninsular Range; San Jacinto Mountains, Garner Ranch, east of Lake Hemet and Hwy 74, west of the ranch buildings, north of the road to the buildings, and south of the old landing strip 1332 Comment
  UCSB45579  Camissonia strigulosa Roos, John 1952-4-16 Riverside Reche Canyon 457 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
  RSA0120463  Carex alma Duncan S. Bell 2016-4-16 9307 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  SD232128  Carex athrostachya Scott D. White, Justin M. Wood 2008-6-18 12222 Riverside San Jacinto Mountains: K Flat Meadow. 1433 Comment
  CAS-BOT-BC19173  Carex barbarae H. E. Hasse 1903-6-21 s.n. Riverside San Jacinto Mountains. Round Valley. 2895 Comment
  SD245173  Carex barbarae R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49554 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons. Comment
  RSA249849  Carex multicaulis Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38117 Riverside San Bernardino National Forest, San Jacinto Mountains.: Above and in James Reserve. 1677 Comment
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Apr 24 2011
  UCR18399  Carex multicaulis A. C. Sanders 1978-5-13 00836 Riverside San Jacinto Mountains, James Reserve, above Lake Fulmor 1677 Comment
  CAS-BOT-BC117861  Carex sartwelliana Carl B. Wolf 1932-8-5 3943 Riverside San Jacinto Mountains. Along trail from Tahquitz valley to San Jacinto Peak. 2621 Comment
  CAS-BOT-BC94055  Carex sartwelliana Peter F. Zika; Nick Otting; Kate Kramer 2010-8-6 25301 Riverside bridge over N Fork San Jacinto River, Dark Canyon, at campground, San Jacinto Mountains (SnJt) 1785 Comment
  CAS-BOT-BC115979  Carex subfusca Philip Alexander Munz 1938-8-14 15348 Riverside Meadow, Virgin Spring, Santa Rosa Peak. 2286 Comment
  JOTR32402  Castela emoryi Harding, Mitzi, A. Benton 2011-7-13 17 Riverside Joshua Tree National Park. West Coxcomb Mountains; north-facing slope of small rocky foothills just above large bouldery wash 424 Comment
  RSA502498  Castilleja affinis Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-6-11 3740 Riverside Vail Lake area, S flank of Oak Mountain, N of the lake. 549 Comment
  JEPS8584  Castilleja affinis subsp. affinis Rimo Bacigalupi with J. F. MacBride, Ruth D. Sanderson, and C. Leroy Custer 1952-3-30 3551 Riverside 2.6 mi n Murrieta (e of Calif Hwy 71, between Wildomar and Murrieta) 396 Comment
  HSC46606  Castilleja applegatei subsp. martinii Christopher Davidson 1977-5-18 5628 Riverside Cleveland National Forest, Bear Springs 1220 Comment
  POM11505  Castilleja applegatei subsp. martinii Philip A. Munz 1922-7-7 6036 Riverside Above Tamarrack Valley. 2927 Comment
  RSA0010962  Castilleja applegatei subsp. martinii Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 636 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA448691  Castilleja applegatei subsp. martinii Lon E. Bell 1940-05 s.n. Riverside San Jacitno Comment
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Feb 15 2013
  RSA775123  Castilleja exserta Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5024 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. 750 Comment
  RSA775231  Castilleja exserta Duncan S. Bell, Valentin Arvizu 2010-5-24 1101 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
  RSA296124  Castilleja foliolosa Barry A. Prigge 1980-8-11 3901 Riverside San Bernardino Mts, White Canyon: 3.2 miles upstream from trout farm. 963 Comment
  RSA400575  Castilleja foliolosa N. R. Zabriskie, Walter M. Zabriskie 1971-4-6 359 Riverside North-facing slope. Andreas Canyon, east slope San Jacinto Mts. 457 Comment
  SD225112  Castilleja foliolosa G. K. Helmkamp 1998-4-3 3089 Riverside Coachella Valley: Mission Creek, the Wildlands Conservancy Preserve, 1.1 mi. NW of the ranch house beside a gauging station along the creek 747 Comment
  SD80143  Castilleja foliolosa Nancy Ryan Zabriske, Walter Zabriske 1971-4-6 359 Riverside North-facing slope, Andreas Canyon, east slope San Jacinto Mts. 456 Comment
  UC27215  Castilleja lasiorhyncha H. M. Hall 1897-6-16 649 Riverside San Jacinto Mts. 1828 Comment
  UCR133712  Castilleja martinii N. C. Cooper 1944-4-22 1131 Riverside San Gorgonio Pass, Banning 732 Comment
  SD186121  Catalpa bignonioides A. C. Sanders, Guy Bruyea 2003-6-12 26892 Riverside Winchester, southeast side of town between Simpson Ave. and Olive Ave., east of Highway 79/Winchester Rd. 449 Comment
  RSA561811  Caulanthus heterophyllus Steve Boyd 1992-4-14 6833 Riverside San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail 341 Comment
  SD167181  Caulanthus heterophyllus S. J. Myers, John Green 2003-4-4 Riverside Powerline trail west of Juan Diego Flats toward Reed Valley, northwest of Cahuilla Mountain. 1220 Comment
  UC1583150  Caulanthus heterophyllus Steve Boyd 1986-3-1 1364 Riverside 1/4 mi s Harford Springs County Park; Gavilan Plateau, Gavilan Hills, s of Harford Springs Co Park 640 Comment
  UCR129345  Caulanthus heterophyllus Bruce Albert 1982-4-17 71 Riverside Gavilan Hills, field north of Santa Rosa Road, 5.7 miles east of Lake Mathews Road 549 Comment
  UCR177191  Caulanthus heterophyllus Scott D. White, Michael Honer 2003-4-4 8950 Riverside Peninsular Ranges; Perris-Aguanga Basin, Temescal Canyon, dissected bajada bench, below and east of Horsethief Canyon, immediately south of I-15 Fwy 427 Comment
  UCR250880  Caulanthus heterophyllus S. J. Myers, Jennifer Tobin, Michelle Tobin 2013-3-13 1045 Riverside Lakeview Mountains, along powerline access road NE of Juniper Flats Rd. 649 Comment
  RSA0043377  Caulanthus major John F. Emmel 1996-6-16 1409 Riverside San Jacinto Mts.; Spitler Peak Trail, 0.0-0.1 air mile south and 0.4-0.5 air mile east of Cartridge Spring. 1767 Comment
  UCR27052  Caulanthus simulans L. F. LaPre, S. Boyd 1982-4-29 s.n. Riverside Peninsular Range, Road S3, 5 mi south of Sage 701 Comment
  RSA398820  Ceanothus cordulatus Bonnie C. Templeton 1953-7-26 s.n. Riverside Idyllwild. 1646 Comment
  CAS-BOT-BC48455  Ceanothus crassifolius Herbert L. Mason; Munz; Peirson 1926-4-30 3120 Riverside Southwestern Riverside Co. - Temecula canyon, 2 miles south of Temecula Comment
  RSA489179  Ceanothus crassifolius Bill Wagner 1988-4-12 s.n. Riverside Approx. 1/2 mile SW of town of Temecula, S of Rancho CaliforniaRoad and Buisness Park Drive. 335 Comment
  UCR131682  Ceanothus crassifolius C. B. Wolf 1941-6-27 10898 Riverside Santa Ana Mtns., Ortega Highway, [Decker Canyon] 3.3 miles east of Orange Co. line 579 Comment
  RSA575060  Ceanothus cuneatus Steve Boyd 1981-3-4 810304 -e Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  RSA655601  Ceanothus cuneatus Mitch Provance 2000-4-8 2214 Riverside Jurupa Mountains: Bloomington/Crestmore, ca. 100 yards NE of the corner of Cedar Ave. and El Rivino Rd., and along the W side of the El Rivino Country Club. 293 Comment
  UC1861758  Ceanothus cuneatus Steve Boyd, Valerie Soza 2004-6-22 11542 Riverside Peninsular Ranges: San Jacinto Mountains region: Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along forest service road 5N13 near 5N06. 1463 Comment
  RSA0019576  Ceanothus cuneatus var. cuneatus Gary D. Wallace 1964-4-26 s.n. Riverside San Jacinto Mountains. Comment
  UC303593  Ceanothus greggii var. perplexans S. B. Parish 1919-3-28 19201 Riverside Jack Rabbit Trail near Beaumont Comment
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Mar 21 2011
  UC775032  Ceanothus integerrimus Carl B. Wolf 1941-8-15 11155 Riverside Santiago Pk., n side, 1/2 mi from summit Santa Ana Mts. 1676 Comment
  UCR268306  Ceanothus leucodermis Jim Andre 2012-6-15 30511 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243 at Mount Edna Road, c. 1 mile north of McMullen Flat, 5.9 miles south of Hwy I-10 at Banning 1172 Comment
  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
  SJSU14591  Ceanothus ophiochilus S. Boyd, T. Ross & L. Arnseth 1989-3-19 Riverside 1 mi W of Vail L 762 Comment
  UC1594217 Image available Ceanothus ophiochilus Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-19 3020 Riverside 1 mi W of Vail Lake 609 Comment
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Sep 19 2010
  SBBG4413  Ceanothus palmeri M. Van Rensselaer 1937-6-23 687 Riverside San Jacinto Mtns, W slope rd to Banning 1676 Comment
  CAS-BOT-BC63256  Ceanothus tomentosus var. olivaceus D. Bramlet 1999-4-10 2733 Riverside Bachelor Mountain. Alongside the existing dirt road leading to Bachelor Mth., on a plateau area 305 m. e. of peak. This 737 Comment
  UCR20816  Celtis sinensis A. C. Sanders 1980-5-22 1507 Riverside San Jacinto Mtns., Hwy 243, 0.6 mi above the foot of the mtn. at Smith Creek 732 Comment
  OBI38364  Cenchrus echinatus David J. Keil 1980-11-30 s.n. Riverside Vicinity of Indio Comment
  UC1131361  Cenchrus longispinus H. S. Yates 1937-6-28 6741 Riverside near Indio; Thermal Quad. Comment
  UCD57824  Cenchrus longispinus H. S. Yates 1937-6-28 6734 Riverside Palm Springs 137 Comment
  CDA7294  Centaurea X pouzinii F. J. Willmarth 1961-10-18 Riverside Old Fuller Rancho, near Corona. 0 Comment
  POM19175  Centaurea melitensis Philip A. Munz 7123 Riverside 3 mi N of Lake Elsonore 412 Comment
  RSA735945  Centaurea repens Scott D. White, Justin M. Wood 2008-6-13 12102 Riverside Beaumont Badlands: San Timoteo Canyon, near El Casco Lake (private pond) E of the road. 579 Comment
  UCR20322  Centaurea repens John C. Roos 1947-7-5 2908 Riverside junction of San Timoteo and Live Oak Creeks 459 Comment
  CAS-BOT-BC284480  Centaurea solstitialis Jerry Miller 1993-10-14 s.n. Riverside March Air Force Base, Moreno Valley near Hwy 215 Comment
  UC1929298  Centaurea solstitialis Scott D. White, Justin Wood 2008-5-29 12043 Riverside Beaumont Badlands; West of Beaumont, near SR-60 crossing over San Timoteo Creek. Comment
  SD155512  Centromadia pungens subsp. laevis Craig Reiser 2001-4-27 Riverside E side of Mystic Lake and ca. 50 yards W of Gilman Hot Springs Road,near San Jacinto. Comment
  SD255652  Centromadia pungens subsp. laevis D. E. Bramlet 2005-7-27 3908 Riverside Perris-Aguanga Basin Region: San Jacinto Valley; west of Hemeet, canal alignment, north of Devonshire Ave, west of Warren Road (Lakeview 7.5'Q) 459 Comment
  RSA0087147  Centromadia pungens subsp. laevis F. W. Peirson 1924-6-21 4762 Riverside Near Temecula. 335 Comment
  CLARK-A1045-880  Cerastium glomeratum George K. Helmkamp 1978-5-2 Riverside Bautista Canyon burn; Hemet 15'Q Comment
  RSA675691  Cerastium glomeratum Scott D. White 2001-5-1 8436 Riverside Near Sun City: Quail Valley: Valleys and slopes east of Canyon Lake and west of Goetz Road. 442 Comment
  UCR15890  Cerastium glomeratum Frank C. Vasek, G. K. Helmkamp 1979-4-27 s.n. Riverside Peninsular Range, Sandia Canyon Road about 2 mi from [SW of] Washington Street. Near Murrieta. 457 Comment
  UCR169318B  Cerastium glomeratum T. B. Salvato, John F. Green 2004-5-27 617 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
  RSA583619  Cerastium glomeratum Steve Boyd, Darin Banks 1995-3-30 8413 Riverside Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the western edge of the Dripping Springs Alcove in tributary of Kolb Creek just east of the old Woodchuck Truck Trail road grade, just south of the Wilderness boundary. 640 Comment
  UCR158935  Ceratonia siliqua Steve Morgan 2005-8-5 s.n. Riverside Riverside: UCR Botanical Garden, Grid Cell P-4 in Australian section 396 Comment
  NY43446  Cercidium floridum subsp. floridum C. R. Annable 1995-3-10 2262 Riverside 1.6km S of Lake Cahuilla County Park Comment
  RSA16368  Cercocarpus betuloides Percy C. Everett 1935-6-17 7163 Riverside Coldwater Canyon Trail to Santiago Peak., 2 miles above Glen Ivy Resort. 610 Comment
  UC1719446  Cercocarpus betuloides var. macrourus D. Atwood 1993-3-26 17683 Riverside Santa Ana Mountains, 4.8 mi S of Lake Elsinore, along Hwy 74 807 Comment
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Nov 20 2007
  CAS-BOT-BC135577  Cercocarpus ledifolius var. ledifolius Louis C. Wheeler 1931-10-3 236 Riverside 1 mi. N. Tahquitz Peak, San Jacinto Mts. 2468 Comment
  UCR67363  Cercocarpus minutiflorus Steve Boyd, T. S. Ross, L. Arnseth 1990-3-30 3962 Riverside Peninsular Range, Vail Lake area, westerly draining canyon at N base of 'Big' Oak Mtn. 674 Comment
  CAS-BOT-BC279534  Chaenactis artemisiifolia Virginia Moran 2003-3-12 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
  UCR44420  Chaenactis artemisiifolia A. C. Sanders, B. G. Pitzer 1986-4-30 6478 Riverside San Jacinto Mtns, Bee Cyn, along the road [Bee Canyon Truck Trail], 1.1 miles above mouth of canyon at the San Jacinto River Valley 710 Comment
  CAS-BOT-BC276379  Chaenactis carphoclinia L. R. Abrams 1926-3-26 11009 Riverside Palm Springs Comment
  CLARK-A1656-774  Chaenactis carphoclinia Theo Glenn 1982-4-18 Riverside Painted Canyon Comment
  SEINET3005068  Chaenactis carphoclinia G. Rink 2011-5-1 10506 Riverside North side of the Chuckawalla Mountains near Chuckawalla Spring 505 Comment
  JEPS30582  Chaenactis fremontii Donald M. Kyhos 1957-5-2 57 -153 Riverside west edge of Cabazon Cabazon Comment
  JOTR32121  Chaenactis fremontii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2279 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
  POM351698  Chaenactis fremontii N. R. Zabriskie 1970-3-27 273 Riverside below Andreas Canyon Club clubhouse; Andreas Canyon. 305 Comment
  POM351701  Chaenactis fremontii Anstruther Davidson 1904-5-1 1097 Riverside Palm Springs. Comment
  RSA678217  Chaenactis fremontii Valerie L. Soza, J. Mark Porter, Gary D. Wallace 2001-4-2 1084 Riverside Little San Bernardino Mountains region: Big Morongo Wash. 473 Comment
  UC1292310  Chaenactis fremontii C. L. Hitchcock and C. V. Muhlick 1964-3-22 23265 Riverside w end of Pinto Basin; Joshua Tree National Monument, Pinto Basin Comment
  UCR123233  Chaenactis glabriuscula S. J. Myers 1988-6-8 s.n. Riverside Santa Rosa Plateau, Along Via Majorca, between Avenida de Arboles and Paseo Montano, in the 'La Cresta' region 671 Comment
  UCR187494  Chaenactis glabriuscula Theresa Johnson 2006-5-22 118 Riverside Peninsular Range, southern Durasno Valley, Silverado site, 5 miles SSW of Anza 1311 Comment
  CAS-BOT-BC277417  Chaenactis glabriuscula var. glabriuscula Geo. B. Grant 1905-4-20 6758 Riverside Palm Springs Comment
  POM351763  Chaenactis glabriuscula var. glabriuscula N. C. Cooper 1944-3-25 1029 Riverside Cabazon. 457 Comment
  RSA583749  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1995-4-24 8482 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on northern flank of Agua Tibia Mountain at the north base of Wildhorse Peak, along the Wildhorse Trail near the northeastern corner of the Wilderness. 671 Comment
  RSA60733  Chaenactis glabriuscula var. glabriuscula Frank W. Gould 1943-4-17 2107 Riverside 12 miles south of Corona on road to Elsinore. Comment
  SD237305  Chaenactis glabriuscula var. glabriuscula Steve Boyd 2010-5-26 12279 Riverside Santa Ana Mountains: Elsinore Peak, southeast of peak, north of trail along old Main Divide Road east of road up to communications towers, near concrete wildlife drinker. 1039 Comment
  UCD20147  Chaenactis stevioides Donald W. Kyhos 1976-3-17 67 -19 Riverside Along Twentynine Palms Highway, at Riverside- San Bernardino County line. Comment
  RSA645630  Chamaesyce albomarginata Scott D. White 1999-5-20 7371 Riverside Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5 - 2 mi W of I-215 freeway. 442 Comment
  RSA651898  Chamaesyce albomarginata W. H. Grady 1948-4-24 s.n. Riverside Found 8 mi. west of Riverside at edge of dry grain field. 243 Comment
  HSC8015  Chamaesyce micromera C. L. Hitchcock, C. V. Muhlick 1964-3-17 23080 Riverside 8 mi. SE of Corona, along road to Elsinore Comment
  RSA55098  Chamaesyce micromera Lee Harris 1928-6-28 113 Riverside Indio Comment
  SEINET4358093 Image available Chamaesyce micromera Duncan S. Bell 2011-10-22 3000 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice.; 0 437 Comment
  JEPS52397  Chamaesyce parishii S. B. Parish 1912-6-28 8113 Riverside Mojave Desert,Mecca Comment
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Sep 4 2011
  SBBG33968  Chamaesyce polycarpa L. S. Rose 1966-12-11 Riverside La Quinta 91 Comment
  UC869060  Chamaesyce polycarpa Lewis S. Rose 1938-12-24 38347 Riverside 19 mi e Indio (Blythe Rd) 3 Comment
  RSA614498  Chamaesyce polycarpa var. polycarpa George K. Helmkamp, E. A. Helmkamp 1998-2-5 2664 Riverside Indio Hills, 3 mi. E of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  RSA600799  Chamaesyce setiloba L. C. Wheeler 1954-11-25 7107 Riverside Chuckwalla Mountains: Corn Springs Wash. 533 Comment
  UCR80727  Chamelaucium uncinatum Steve Boyd 1989-4-14 3248 Riverside Peninsular Range, W side Hwy 15, 0.5 mi. south of Rainbow Exit, south of Temecula Comment
  UC42410  Cheilanthes clevelandii Mrs. Gregory 1891-1 Riverside San Jacinto Mts Comment
  UCR178564  Cheilanthes covillei R. G. Swinney 1967-3-5 47 Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 381 Comment
  UC1930142  Cheilanthes feei Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10466 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
  CAS-BOT-BC70296  Cheilanthes newberryi I. M. Johnston 1920-5-8 2265 Riverside Box Springs Grade Comment
  UCR48426  Cheilanthes newberryi Steve Boyd 1985-12-25 1198 Riverside Peninsular Range, Gavilan Hills; W side of Steele Valley in SCE Transmission Line Corridor 762 Comment
  JOTR32916  Cheilanthes parryi La Doux, Tasha, Jim Andre 2009-2-28 356 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; along Berdoo Canyon Rd, approx. 2.5mi north of JTNP boundary, approx. 5mi north of Dillon Rd. 744 Comment
  POM6637  Cheilanthes parryi P. A. Munz, Street, Williams 1919-3-25 2325 Riverside Palm Canyon. 243 Comment
  RSA0015689  Cheilanthes parryi Duncan S. Bell 2013-9-29 6047 Riverside Chuckwalla Mountains; on the south side of Corn Springs Wash approximately 1.8 air miles southwest of Corn Spring. 648 Comment
  RSA0106695  Cheilanthes parryi Duncan S. Bell, Thomas Stoughton 2010-3-19 564 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; approximately 2.25 air miles west of Priest Well. 439 Comment
  RSA336041  Cheilanthes parryi R. F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52022 Riverside Chino Canyon Comment
  UC669239  Cheilanthes parryi Annie M. Alexander and Louise Kellogg 1941-2-28 1878 Riverside Andreas Canyon; San Jacinto Mts 350 Comment
  UC688907  Cheilanthes parryi John Thomas Howell 1927-8-1 2886 Riverside Morongo Canyon; Colorado Desert 609 Comment
  POM9932  Cheilanthes viscida F. W. Peirson 1921-3-22 2371 Riverside Murray Canyon, south side in canyon 457 Comment
  UCR119415  Chenopodium Mitch Provance 1998-6-20 706 Riverside Jurupa Mountains, Glen Avon Heights, on the north side of Conning St. (dirt road portion traversing from W to E), which lies between Campbell St. and Lindsay St. 262 Comment
  UC1929842  Chenopodium album Scott D. White, Angelia Carey 2004-7-2 10555 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation. Poppet Creek Canyon. Comment
  UCR280934  Chenopodium album Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-2 617- 04 Riverside Temescal Valley, Horsethief Canyon Wash, S. side of I-15, vicinity of De Palma Rd. 378 Comment
  RSA736546  Chenopodium botrys Scott D. White, Angelia Carey 2004-7-2 10587 Riverside Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  OBI74469  Chenopodium californicum David J. Keil 1983-4-15 16892 Riverside E of Temecula on SR79 Comment
  UCR113597  Chenopodium missouriense A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23677 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
  UCR59671  Chenopodium rubrum Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3552 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, pond and freshwater marsh in Kolb Creek, just south of the lake Comment
  POM202929  Chilopsis linearis subsp. arcuata L. C. Wheeler 1933-12-1 2281 Riverside San Gorgonia Wash at S. P. RR, San Gorgonio Pass. 640 Comment
  UCD121657  Chilopsis linearis subsp. arcuata A. C. Sanders; T. B. Salvato 2000-4-27 23374 Riverside Coachella Valley: east side of Coachella Canal near the foot of the Mecca Hills, vicinity of the east end of Ave 60. 15 Comment
  CLARK-A1528-3047  Chimaphila menziesii John C. Roos 1943-8-8 2697 Riverside San Jacinto Mountains Comment
  CAS-BOT-BC451473  Chimaphila umbellata Scott D. White 1996-8-1 4408 Riverside San Jacinto Mts., Idyllwild Area: Hwy. 243 at Deer Springs trialhead and adjacent area. 1828 Comment
  SBBG59876  Chimaphila umbellata R. Hoffmann 1929-9-10 Riverside Tahquitz Peak 2590 Comment
  CAS-BOT-BC184863  Chloris virgata Mrs. C. M. Wilder 1909-9-3 s.n. Riverside West Riverside. Comment
  UCR108717  Chorizanthe brevicornu Scott D. White, Pam DeVries 1998-2-9 6078 Riverside Coachella Valley, La Quinta/Palm Desert Area: Whitewater River Channel at & near Miles Ave. crossing 30 Comment
  UCR116844  Chorizanthe brevicornu Helen Kennedy, Fred R. Ganders 1980-4-15 4060 Riverside Sonoran (Colorado) Desert, along [Box Canyon] road between Mecca and Hwy. 10 300 Comment
  UCR148337  Chorizanthe brevicornu John F. Green 2005-1-13 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 21 and 22 (near 22), south of Salt Creek 23 Comment
  JEPS20768  Chorizanthe brevicornu var. brevicornu Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13259 Riverside 2.3 mi above Midland P.O. (U.S. gypsum mine property, Little Maria Mountains); Little Maria Mts., U.S. gypsum mine property Comment
  JOTR35047  Chorizanthe brevicornu var. brevicornu La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3500 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road on south-facing bajada among sonoran desert riparian washes. Comment
  UCR167204  Chorizanthe corrugata S. J. Myers 2005-3-24 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, east of N end of Salton Sea, along Coachella Canal 12 Comment
  UCR33682  Chorizanthe corrugata Faulkner 1978-3-30 409 Riverside Sonoran (Colorado) Desert, 1 mi north of Riverside Mtns., bench area, 4 mi south of Vidal 146 Comment
  UCR281005  Chorizanthe fimbriata Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-13 417- 58 Riverside Peninsular Ranges, Wildomar, Sedco Hills, along transmission road between Lost Rd. and Lake View Rd. 564 Comment
  CAS-BOT-BC252786  Chorizanthe parryi var. parryi James L. Reveal 1988-5-23 6867 Riverside Along California Highway 75 at milepost 48, 3 miles east of Fariview Avenue in Valle Vista, north of teh highway and south of the San Jacinto River 609 Comment
  RSA689497  Chorizanthe parryi var. parryi Scott D. White 2001-4-19 8380 Riverside Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5 - 2 mi. W of I-215 freeway. 442 Comment
  UC449703  Chorizanthe parryi var. parryi Mrs. Lottie M. Wilder 1903-4-26 14 Riverside Wilders Canyon Wilders Canyon (west Riverside) Comment
  UCR174384  Chorizanthe parryi var. parryi A. C. Sanders 2006-5-19 32415 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
  SD225064  Chorizanthe polygonoides var. longispina D. Bramlet 1995-4-26 2396 Riverside Shipley Multi-species Reserve/Lake Skinner Co. Park: Approx 274 m. north of road BM 1487 and 549m. South of Tucalota Creek; South end of the equestrial trail on the upper end of a large epheneral wash. Bachelor Mountain 7.5 Quad 487 Comment
  UCR174329  Chorizanthe polygonoides var. longispina A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32562 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 587 Comment
  HSC28466  Chorizanthe rigida Richard Spjut 1973-4-5 3268 Riverside Colorado Desert; N slopes of the Chuckawalla Mtns. ca. 3-4 mi. S of Desert Center 305 Comment
  UCD99879  Chorizanthe rigida William H. Brooks 24-25 Feb 1989 s.n. Riverside McCoy Wash, north of Blythe. 579 Comment
  RSA543949  Chorizanthe staticoides Steve Boyd, Orlando Mistretta 1991-5-9 6181 Riverside Santa Ana Mountains, lower flank of range along the Bedford Truck Trail on ridge between Bedford and McBribe Canyons. 549 Comment
  UC178761  Chorizanthe xanti Marcus E. Jones, A. M. 1903-5-11 Riverside Whitewater 304 Comment
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1
  POM80085  Chrysothamnus nauseosus subsp. bernardinus Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  RSA5581  Chrysothamnus paniculatus C. B. Wolf 1932-10-13 4314 Riverside 0.5 mile before reaching Cottonwood Springs, Eagle Mountains, Colorado Desert 290 Comment
  POM48741  Chrysothamnus teretifolius D. D. Keck 1924-12-31 11 Riverside Pinyon Wells, Little San Bernardino Mts Comment
  RSA0034157  Chylismia cardiophylla subsp. cardiophylla M. Bourell 04141987 Riverside BLM California Conservation Area, Hwy 195. Spur off of Box Canyon, near Mecca. 150 Comment
  OBI38923  Chylismia claviformis A. C. Sanders, Pitzer, Charlton, Kniffen 1986-3-3 6078 Riverside Corn Spring, Chuckwalla Mts, was below the spring ans wsh and rocky slopes to the S 488 Comment
  UCD103877  Chylismia claviformis William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  UC1184364  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-1-25 11482 Riverside 11.3 mi w Shavers Summit Comment
  UC635281  Chylismia claviformis subsp. aurantiaca H. L. Mason 1928-3-10 4182 Riverside Whitewater River Comment
  CAS-BOT-BC162785  Chylismia claviformis subsp. claviformis John Thomas Howell 1928-3-11 3420 Riverside Morongo Canyon, N. Colorado Desert 609 Comment
  RSA797396  Cirsium acaulescens Keith E. Hoffmaster 1937-6-6 s.n. Riverside San Jacinto Mountains. Comment
  UCR91726  Cirsium occidentale var. occidentale A. C. Sanders, J. Goetzen 1996-5-1 18128 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  UCR27069  Cirsium scariosum T. P. Krantz 1982-5-25 s.n. Riverside Peninsular Range; San Jacinto Mtns., Baldy Mountain mesa above the west end of Garner Valley 1585 Comment
  UCR87910  Clarkia dudleyana A. C. Sanders 1994-5-29 14568 Riverside San Bernardino Mtns, Millard Canyon, at stream crossing just below site of Millard Station on Forest Service Road 2S05 1100 Comment
  UCR91640  Clarkia epilobioides D. L. Banks, Steve Boyd 1995-5-9 0381 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, west of the Dripping Springs Alcove, west of Woodchuck Campground. 701 Comment
  UCR193896  Clarkia purpurea A. C. Sanders, Mitch Provance 2008-7-11 35785 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
  UCR158133  Claytonia parviflora A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30083 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  UCR138726  Claytonia perfoliata Julie A. Greene 1993-4-10 1128 Riverside San Jacinto Wildlife Area 476 Comment
  UCR103898  Claytonia perfoliata subsp. mexicana B. G. Pitzer 1997-4-12 3129 Riverside Lakeview Mtns, Pulsar View Road, c. 3/4-1 mi. by road uphill from the base of the hills at the end of Warren Road (very short dirt road); c. 1 mi. airline NE of Juniper Flats Road. Approx. 0.9 mi. airline SW of Mt. Rudolph (measured from BM 'Nelson'). 610 Comment
  RSA221081  Clematis lasiantha E. W. Lathrop 1966-4-28 6220 Riverside 4 mi. west of Corona between Tin mine Canyon and Santiago Peak, Skyline Drive. 610 Comment
  UCR5925  Clematis lasiantha K. T. Seng 1966-4-13 660413- 9 Riverside Santa Ana Mtns, NE slope of Santa Ana Mountain, end of Main Street, 4 mi. from downtown Corona 457 Comment
  CLARK-A1528-778  Clematis ligusticifolia C. M. Flanagan 1973-5-31 OO 606 Riverside Morongo Indian Reservation 0 Comment
  RSA770707  Clematis ligusticifolia Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4810 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR118234  Clematis ligusticifolia Mitch Provance 1999-5-4 1685 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  RSA0125187  Clematis pauciflora Duncan S. Bell 2016-3-3 8770 Riverside Whitewater Canyon; San Gorgonio Wilderness area; Rainbow Canyon, approximately 3 air miles east northeast of Kitching Peak. 934 Comment
  SJSU9059  Clematis pauciflora G. B. Youngberg 1956-3-30 232 Riverside Glen Ivy Hot Springs, E slope Santa Ana Mts c. 11 mi SE of Corona 365 Comment
  UCR21956  Clematis pauciflora Steve Boyd 1980-5-11 229 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  UCR281276  Clematis pauciflora Mitch Provance, Jeremiah George 2017-3-21 317- 11 Riverside Temescal Valley, N of Hwy 15, and adjacent to S side of Temescal Canyon Rd., above Horsethief Wash (E branch impeded by development) 370 Comment
  RSA0065502  Coldenia palmeri David B. Dunn 1947-7-12 2951 Riverside Below the Palms in Pushawalla Canyon, in Indio Hills. Comment
  RSA0117465  Collinsia concolor LeRoy Gross, Evan Meyer 2013-5-21 6110 Riverside West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley., Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near [coordinates given.] 1631 Comment
  UCR177646  Collinsia concolor S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCR193330  Collinsia concolor A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35594 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek watershed, along foot trail from May Valley Road toward mapped spring 1560 Comment
  RSA0117402  Collinsia concolor Ora M. Clark 1929-3-16 1714 Riverside N. of White Water Colorado Desert. Comment
  POM128498  Collinsia heterophylla Thomas Craig 1927-4-23 209 Riverside Glen Ivy. Comment
  RSA543957  Collinsia heterophylla Steve D. Boyd, Orlando Mistretta 1991-5-9 6188 Riverside Santa Ana Mountains, lower flank of range along the Bedford Truck Trail on ridge between Bedford and McBribe Canyons. 549 Comment
  RSA525317  Convolvulus simulans Steve Boyd, David Bramlet 1990-4-29 4471 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  UC1584111  Convolvulus simulans Steve Boyd, Tim Ross, and Laurel Arnseth 1990-3-29 3890 Riverside cinder cone ridge at n side of mouth of Temecula Creek Cyn (s flank of mt.); Vail Lake Area, Big Oak Mtn. 396 Comment
  UCR102880  Convolvulus simulans A. C. Sanders 1997-3-26 20130 Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  UC63178  Conyza canadensis H. M. Hall 1901-8-1 Riverside vicinity Riverside 304 Comment
  UCR94921  Cordylanthus nevinii Scott D. White 1996-8-16 4484 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, SW of Pine Cove & west of Bear Trap Canyon, in watershed above Alvin Meadows, tributary to Toll Road Canyon 1860 Comment
  SBBG95153  Cordylanthus rigidus subsp. setiger S. D. White 1990-10-2 Riverside Vail Lake area, Hwy 79, immediately W of Dripping Springs Guard Station 487 Comment
  RSA5023  Coreopsis californica C. B. Wolf 1932-3-20 23 Riverside Richman Ranch, 2.5 miles north of De Luz. 457 Comment
  GMDRC2590  Coreopsis californica var. californica T. La Doux, J. Andre 2008-3-21 145 Riverside Little San Bernardino Mountains: Joshua Tree National Park: Upper Wilson Wash, approx 9.5 mi. S. of North Entrance 33 deg. 58.263' N 115 deg. 59.688' W. Elev. 3338 ft. 1018 Comment
  POM356162  Corethrogyne filaginifolia Albert J. Perkins 1916-9-2 s.n. Riverside Idylwild Comment
  CDA19738  Corethrogyne filaginifolia var. virgata H. R. Leach 1958-9-12 s.n. Riverside Southern California; River Valley. 0 Comment
  CAS-BOT-BC209728  Cornus glabrata P. A. Munz 1922-6-24 5806 Riverside Hemet Valley, San Jacinto Mts. Along banks of Pipe Creek 1524 Comment
  SEINET8527446  Cornus sericea var. sericea H. M. Hall 1899-1 1369 Riverside San Bernardino Mountains Comment
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May 23 2018
  RSA645678  Cotula australis Scott D. White 1999-5-2 7286 Riverside Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5 - 2 mi. W of I-215 freeway. 442 Comment
  UCR104036  Cotula australis George K. Helmkamp, E. A. Helmkamp 1997-3-5 1328 Riverside 2.8 mi SE of Gilman Hot Springs 518 Comment
  UCR113042  Cotula australis Mitch Provance 1998-3-26 276 Riverside Jurupa Mountains, Glen Avon Hts., Boulder Hill Park, 0.7 km west of Pyrite St. on north side of Granite Hill Dr. 305 Comment
  RSA192159A  Crassula aquatica E. W. Lathrop 1966-5-1 6241 -A Riverside 3 miles W of Murrieta. Santa Ana Mountains Comment
  UCR281094  Crassula aquatica Mitch Provance, John Hazlett, Matt K. Beyers 2017-4-19 417- 51 Riverside Menifee Valley, Menifee, about 0.5 miles south of Sun City, and 0.5 miles west of Romoland, SW corner of Lazy Creek Rd. and Murrieta Rd. 431 Comment
  UCR20730  Crassula connata A. C. Sanders, Steve Boyd 1980-5-2 1394 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR214567  Crassula connata A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37865 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.8 mi. north (09 deg. ) of intersection of I-15 and Lake St. 482 Comment
  POM13592  Crassula solieri P. A. Munz 1922-4-29 5076 Riverside 0.5 mile south of Lake Elsinore. 381 Comment
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Apr 23 2011
  CLARK-A1528-2611  Cressa truxillensis John C. Roos 1937-5-10 2074 Riverside Lake Elsinore Comment
  POM294423  Crossosoma bigelovii Lyman Benson 1949-3-28 13563 Riverside Santa Rosa Mountains. Pines to Palms Highway from Palm Springs to Hemet. 732 Comment
  SD72207  Croton californicus C. W. Tilforth 1967-2-11 102 Riverside Desert Hot Springs. 334 Comment
  UCR275355  Croton setiger T. B. Salvato, Melissa Clemons 2005-6-9 1498 Riverside Peninsular Range, Gavilan Hills, E/W trending side canyon feeding into Walker Canyon, c. 0.3 mile northeast of Hwy 15 457 Comment
  UCR261483  Cryptantha A. C. Sanders, Katie Young, John Hale 2015-4-22 41588 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 1.6 km south of I-10, 1.2 km NW (319 deg. ) of One Horse Spring 458 Comment
  SEINET7042764  Cryptantha W. P. Vestal, A. G. Vestal 1955-3-25 s.n. Riverside Lakeview Mountains on Juniper Flat Road. Lakeview quadrangle UTM Zone 11, 489935mE, 3735502mN. Comment
  CLARK-A1045-220  Cryptantha angustifolia 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
  POM6558  Cryptantha angustifolia P. A. Munz, L. T. Street, G. Williams 1919-3-27 2354 Riverside Salton Sea Comment
  RSA777448  Cryptantha angustifolia Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 967 Riverside Blythe-Rice Road, East/Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing 243 Comment
  RSA27902  Cryptantha barbigera C. L. Hitchcock 1940-4-3 5932 Riverside 1 1/2 mi. northeast of Cottonwood Spring along 29 Palms Road, Joshua Tree Nat. Monument. Comment
  RSA517934  Cryptantha barbigera Steve Boyd, Orlando Mistretta 1986-3-13 1407 Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd & 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  UC857068  Cryptantha barbigera Aven Nelson, Ruth A. Nelson 1939-3-29 3269 Riverside near Mecca; Hidden Springs Comment
  UCR227003  Cryptantha barbigera var. fergusoniae Jim Andre 2011-2-2 16234 Riverside Coachella Valley, mouth of Big Morongo Wash, 1 mi east of Hwy 62, just north of North Indian Canyon Road, west of Desert Hot Springs, 7.5 mi north of Hwy I-10 487 Comment
  UCSB24714  Cryptantha circumscissa Austin, Stan 1966-5-15 Riverside 0.5 mile from Ranger Station on Banning-Idyllwild Rd. in Dark Canyon, San Jacinto mts. 1981 Comment
  UCR119442  Cryptantha corollata A. C. Sanders, Mitch Provance 1999-9-26 23087 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area 1323 Comment
  UCR127337  Cryptantha corollata A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25853 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  RSA781027  Cryptantha costata D. Silverman, Andy Sanders 2010-3-23 7817 Riverside Chuckwalla Valley, dunes at SSE tip of Palen Lake, 1.5 km SW of Palen Dunes, 3.2 km N of I-10 and 8 km ESE of Sidewinder Well 130 Comment
  SEINET3409358  Cryptantha costata G. Rink, M. Honer 2013-3-17 11856 Riverside About ten miles west of Blythe, to the south of an existing solar power plant, on the site of the proposed Quartzite solar power plant 125 Comment
  RSA0078806  Cryptantha cycloptera Steve Boyd, Sara Meury, R. Noyes, L. Arnseth, D. Nordin, Tim Ross 1988-3-10 2159 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  UCR176721  Cryptantha decipiens A. C. Sanders, K. C. Rose 1995-4-27 16732 Riverside Sonoran (Colorado) Desert, Coachella Valley, foot of the Little San Bernardino Mtns., canyon east of Fan Hill, just outside Joshua Tree Nat. Park 549 Comment
  UC667391  Cryptantha dumetorum Annie M. Alexander and Louise Kellogg 1941-4-27 2097 Riverside Joshua Tree National Monument, Riverside and San Bernardino counties Joshua Tree National Monument 1310 Comment
  UC100864  Cryptantha holoptera H. M. Hall Apr 1905 5788 Riverside 10 mi w Coachella; Colorado Desert, Marshall Canyon 91 Comment
  HSC86868  Cryptantha intermedia Dave Hawks 1988-4-2 Riverside Tule Creek drainage, 1.75 mi. NE of Aguanga, SE of intersection of Dove and Sycamore Sts., S of Hwy. 371 762 Comment
  POM146228  Cryptantha intermedia F. M. Reed 1927-5-8 5310 Riverside Hills south of Perris Comment
  POM368274  Cryptantha intermedia E. Crow 1929-2-24 184 Riverside Near Cabazon, NW Colorado Desert Comment
  RSA12910  Cryptantha intermedia C. B. Wolf 1935-4-7 6300 Riverside 2 mi. SW of Perris. 427 Comment
  RSA614668  Cryptantha intermedia Scott D. White 1997-2-28 4717 Riverside SE of Hwy 74, ca 1 mi E of junction with Hwy I-15 Fwy. 457 Comment
  RSA717051  Cryptantha intermedia A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25845 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 366 Comment
  RSA744305  Cryptantha intermedia Michael Wall 2009-3-27 499 -D Riverside Bautista Creek east of Hemet off Bautista Canyon Rd. ca. 8 miles SE of jct. with Fairview Ave. 754 Comment
  UC1792809  Cryptantha intermedia A. C. Sanders 2001-4-8 23983 Riverside Western Colorado Desert: Coachella Valley, Desert Hot Springs, N of intersection of Pierson Blvd. and Atlantic Ave., north of flood control ditch 347 Comment
  UCR114821  Cryptantha intermedia Mitch Provance, Seychelle Provance 1998-2-17 91 Riverside Jurupa Mountains, Jensen Quarry; Sunnyside area on W side of Sierra Blvd, c. 0.2 miles NW of the corner of Scenic Dr. and 34th St. 348 Comment
  UCR140444  Cryptantha intermedia A. C. Sanders 2004-4-9 27454 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks 518 Comment
  UCR16167  Cryptantha intermedia Rodney Hendrick 1965-5-2 s.n. Riverside Peninsular Range, Temecula Creek and Hwy. 71 610 Comment
  UCR174038  Cryptantha intermedia A. C. Sanders 2006-5-19 32457 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
  UCR180343  Cryptantha intermedia Scott D. White, Angelia Carey 2004-4-5 10019 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UCR80812  Cryptantha intermedia Scott D. White 1993-5-29 1452 Riverside San Bernardino Mtns, Banning Canyon, along the road to Raywood Flat, Yucaipa Ridge 1402 Comment
  UCR97893  Cryptantha intermedia A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19848 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  GMDRC6540  Cryptantha intermedia var. intermedia J. M. Andre 2012-6-15 30492 Riverside San Jacinto Mountains: along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest 1172 Comment
  RSA797511  Cryptantha maritima C. P. Cowan 1978-4-23 1175 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon. 570 Comment
  SEINET2042094 Image available Cryptantha maritima A. C. Sanders 2001-4-8 23987 Riverside (Desert Hot Springs Quad 7.5') Coachella Valley, Desert Hot Springs, N of intersection of Pierson Blvd. And Atlantic Ave, N of flood control ditch. 348 Comment
  SDSU21766  Cryptantha micrantha var. micrantha R. F. Thorne 1995-3-29 63025 Riverside Transverse Ranges; San Bernardino Mountains region: White Water Canyon. 600 Comment
  RSA797509  Cryptantha microstachys C. P. Cowan 1978-4-25 1272 Riverside 5.1 miles (8.1 km) west on Hwy. 74 from jct. with 243, approaching Hemet. San Jacinto Mts. Whittaker transect no. W-228. 1370 Comment
  UCR20701  Cryptantha microstachys A. C. Sanders 1980-5-14 1458 Riverside Peninsular Range, south side of Hwy 79, 0.8 mi SE of Radec 559 Comment
  UCR90417  Cryptantha microstachys D. L. Banks 1995-5-3 0209 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
  RSA562115  Cryptantha muricata Steve Boyd 1992-4-14 6791 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Verdugo Trail from Tenaja Trail to Bluewater Trail in upper watershed of Bluewater Canyon, S of Sitton Peak. 793 Comment
  UC1178518  Cryptantha muricata Peter Kamb 1948-7-4 1180 Riverside Hall Canyon San Jacinto Mts. 1645 Comment
  RSA0011415  Cryptantha muricata var. jonesii Duncan S. Bell, Caitlin Elam 2013-5-21 4969 Riverside On the southern side of West Ridge at the southern end of Strawberry Valley about 1.75 air miles southwest of Idyllwild. 1592 Comment
  POM14165  Cryptantha nevadensis P. A. Munz, D. D. Keck 1922-4-9 4800 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert 457 Comment
  CLARK-A1045-103  Cryptantha pterocarya George K. Helmkamp 1977-3-20 Riverside San Jacinto Mountains flats above Deep Canyon; ; Palm Desert 15'Q 1066 Comment
  OBI66288  Cryptantha pterocarya LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1464 Riverside Colorado Desert; Chocolate-Chuckwalla Mts region; Corn Springs campground in the Chuckwalla Mts. cyn SW of campground. UTMs 3721895N, 355238E; and UTM 3720669N, 654757e 549 Comment
  RSA0042172  Cryptantha pterocarya var. pterocarya Duncan S. Bell, Evan Meyer 2014-4-2 6514 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  UCR84844  Cryptantha pterocarya var. pterocarya A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16134 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  UCR187360  Cucurbita palmata R. E. Riefner Jr. 2006-8-2 06- 349 Riverside Peninsular Range, Lakeview Mountains, vicinity of Alicante Dr. and Jamawag Rd., north of Leon Rd. 550 Comment
  UCR232065  Cucurbita palmata John F. Green 2008-4-24 13- 07 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris along Hwy 74, between Lazy Lizard Dr. and Wasson Canyon Rd. 504 Comment
  JOTR29436  Cuscuta californica var. californica La Doux, Tasha, M. Bell, B. Truesdell 2006-3-22 1370 Riverside Joshua Tree National Park. East Wide canyon 499 Comment
  SD146296  Cuscuta campestris A. C. Sanders, D. Bramlet, Mihai Costea, T. Salvato 1999-10-15 23171 Riverside San Jacinto Valley; Mystic Lake, 1.4 miles southeast of Jackrabbit Trail on Gilman Springs Road. 433 Comment
  UCR207550  Cycloloma atriplicifolium O. F. Clarke 2004-4-20 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River at Mission Blvd. Bridge below Mt. Rubidoux 238 Comment
  SEINET3071827  Cylindropuntia bigelovii Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17509 Riverside Pilot Mountain quadrangle, zone 11 0655330mE 3721650mN NAD83, Corn Springs, north side of Chuckwalla Mountains, 12km SSE of Desert Center, 85km east of Indio 498 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
  POM319412  Cyperus erythrorhizos Patricia Wilder 1970-10-15 4810 Riverside Prado Dam in Prado Flood Control Basin. East of Chino Hills. Santa Ana River Drainage Area. 122 Comment
  UCR207810  Cyperus esculentus O. F. Clarke 2004-7-7 s.n. Riverside San Bernardino Valley Region, Riverside, Victoria Ave. bridge at Arroyo Tequesquite 262 Comment
  UCR441  Cyperus niger var. capitatus O. F. Clarke 1974-11-14 s.n. Riverside Riverside, Santa Ana Riverbottom Park Comment
  UCR125280  Cyperus odoratus A. C. Sanders 2002-11-21 25652 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  RSA314474  Cyperus squarrosus Robert F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55379 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  NY43422  Dalea mollis C. R. Annable 1995-3-9 2259 Riverside BLM land, ca. 13km N of Rancho Mirage, behind A-1 Cement Comment
  RSA796027  Dalea mollis Duncan S. Bell 2009-4-18 237 Riverside Arica Mountains; northeast of range, approximately 2.25 air miles southwest of the ghost town of Rice. 224 Comment
  SEINET4034479  Dalea mollis Bigelow, Foster; Cazier 1968-1 sn Riverside 3 mi. south of Rice. Comment
  UC1007185  Dalea mollis Philip A. Munz 1940-3-23 15689 Riverside Gold Crown Mine Mohave Desert, Pinto Mts., Gold Crown Mine 914 Comment
  RSA644208  Dalea mollissima V. W. Steinmann 1999-10-26 1413 Riverside foothills of the Chuckwalla Mountains, open desert ca. 0.5 km south of Desert Center. 275 Comment
  RSA91432  Dalea mollissima F. W. Peirson 1922-4-11 4428 Riverside Deep Canyon Wash, about 12 miles SE of Palm Springs 244 Comment
  UCD65756  Dasyochloa pulchella A. A. Beetle 1942-4-23 3186 Riverside Rt. 95, 9 miles north of Blythe. Comment
  SEINET259017  Dasypyrum villosum B. L. Johnson G 850 Riverside CULTIVATED; Grown at: University of California Los Angeles Comment
  RSA192165  Datisca glomerata E. W. Lathrop 1966-6-1 6364 Riverside Los Alamos Road, Tenaja Range, 14 miles NW of Murrieta. Comment
  UCR186730  Datura discolor Scott D. White, Pam DeVries 2006-3-14 11262 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, a few mi east of Indio, at proposed I-10 Freeway/ McNaughton Parkway interchange, north of the I-10 Freeway 152 Comment
  UCR23746  Datura discolor John C. Roos 1965-11-6 s.n. Riverside Sonoran (Colorado) Desert, 26 mi west of Blythe 115 Comment
  HSC92890  Datura wrightii Scott D. White 1996-9-22 4528 Riverside Lakeview Mtns.: N of Homeland, along Juniper Flats Rd., 1.2 mi. N of intersection with Hwy. 74, drainage channel parallel to the road 500 Comment
  RSA770678  Datura wrightii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4755 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
  UCR116902  Daucus pusillus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24197 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  RSA703535  Deinandra kelloggii R. E. Riefner Jr. 2004-4-27 04 -143 Riverside Moreno Vallaey, along Allesandro St. near Merwin St. intersection. 487 Comment
  UC1930969  Deinandra kelloggii Mitch Provance 2005-5-17 6551 Riverside Warm Springs Valley: Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, ca. 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 Comment
  UCD131074  Deinandra kelloggii K. Esau 1935-6-15 s.n. Riverside Hemet Valley. Comment
  RSA716106  Deinandra mohavensis Michael Wall 2006-10-8 421 Riverside San Jacinto Mountains, South Fork San Jacinto River east of Hemet Comment
  UC2030093  Deinandra mohavensis Scott D. White 2000-8-22 8120 Riverside SOUTH OF HEMET: Gibbel Flat in the Santa Rosa Hills. Comment
  SD234297  Deinandra paniculata Kent Beaman 1998-9-1 Riverside Peninsular Range; Gavilan Plateay: west of Perris off Ellis Rd., Santa Rosa Mine Rd., near Maywood 518 Comment
  UC297879  Deinandra paniculata David D. Keck 1926-9-30 264 Riverside 9.7 mi n Perris Comment
  UCR274535  Deinandra paniculata Mitch Provance, Ken Halama 2003-6-15 17067 Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  CLARK-A1528-779  Delphinium ajacis C. M. Flanagan 1971-5-24 Riverside Highgrove Comment
  RSA149631  Delphinium parishii Harlan Lewis, C. Epling 1941-5-2 s.n. Riverside 1 mile W. of Cottonwood Spring, Joshua Tree National Monument. Comment
  UCSB1983  Delphinium parishii subsp. parishii Bobkowski, Vincent 1960-4-2 Riverside Colorado Desert; 2 miles off of road in Whitewater region north of Garnet & South of Desert Hot Springs; Whitewater Cyn Rd; 2 mi N of US 99 Comment
  RSA0020485  Delphinium parishii subsp. parishii Marjorie Shaw 1916-05 s.n. Riverside Palm Springs. Comment
  RSA784840  Delphinium parryi J. D. Olmsted 1962-5-2 3461 Riverside In small arroyo north of turn from US 60 to Gilman Hot Springs, San Timoteo Badlands 564 Comment
  UCD96283  Delphinium parryi R. N. Raynor 1938-6-20 s.n. Riverside Coahuila. Comment
  UCR166149  Delphinium parryi T. B. Salvato, John F. Green 2004-5-27 568 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
  UCR4123  Delphinium parryi Ronald M. Cope 1965-5-3 s.n. Riverside Box Springs Mtns., west side of road between Pigeon Pass Road and 'Big C', about 1 mi from 'C 610 Comment
  CAS-BOT-BC121427  Delphinium parryi subsp. parryi H. Lewis 1941-7-7 s.n. Riverside Lake Hemet Comment
  RSA0029900  Delphinium patens subsp. montanum Justin M. Wood 2009-5-11 681 Riverside Hwy 243 near Ranger Peak, roadside. 1433 Comment
  CAS-BOT-BC82951  Dendromecon rigida Nancy Ryan Zabriskie; Walter Zabriskie 1970-3-23 254 Riverside Along Banning Idyllwild road, San Jacinto Mountains. 914 Comment
  RSA608703  Deschampsia elongata L. C. Wheeler 1961-6-20 7892 Riverside West fork of Tahquitz Creek. 2378 Comment
  UC75766  Descurainia pinnata subsp. menziesii Miss M. Alice King Mar 1893 Riverside Menifee Comment
  UCR16142  Descurainia pinnata subsp. menziesii A. C. Sanders 1973-4-28 00225 Riverside Peninsular Range; San Jacinto Mtns., east of Garner Valley, along switchbacks in trail from Morris Ranch Road to Cedar Springs 2012 Comment
  UC9920  Dicentra chrysantha H. M. Hall 1901-8-6 2630 Riverside Chalk Hill; San Jacinto Mountains; Richland 1432 Comment
  RSA702413  Dichelostemma capitatum subsp. capitatum Steve Boyd, Aydee Virgen 2004-4-13 10858 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  CLARK-A1528-1523  Dichelostemma pulchellum John C. Roos 1952-2-29 5380 Riverside Pigeon Pass Comment
  SEINET9347382  Dicoria canescens Unknown 1976-10-15 Riverside Riverside Comment
  RSA78306  Dieteria canescens var. ziegleri P. A. Munz, E. K. Balls 1952-8-21 17985 Riverside Road, Vandeventer Flat to Santa Rosa Peak 2072 Comment
  UCR113933  Digitaria ischaemum Mitch Provance, A. C. Sanders 2000-7-4 2096 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  CAS-BOT-BC152267  Diplacus clevelandii Peter H. Raven 1962-5-18 17759 Riverside Main Divide Truck Trail 2.9 miles south of Santiago Peak 1234 Comment
  SD107128  Diplacus fremontii Barbara Ertter, J. Strachan 1979-6-26 2989 Riverside Banning-Idyllwild Road (Hwy 243) at Black Mtn turnoff (Forest Rd 4S01), San Jacinto Mts. Comment
  RSA0015884  Diplacus longiflorus Steve D. Boyd 1981-3-2 s.n. Riverside Gavilan Hills region, central Dawson Canyon, just upstream from the confluence of 'Blue Oak Canyon'. 366 Comment
  CAS-BOT-BC150872  Diplacus puniceus Lyman Benson 1932-3-26 3183 Riverside Summit Temecula Grade 609 Comment
  CHSC26487  Diplacus puniceus James Henrickson 1970-4-10 4533 Riverside 8 air miles ESE of Temecula along Hy. 71-79. 542 Comment
  RSA0019297  Diplacus puniceus D. L. Banks 1997-3-16 1532 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
  SBBG541  Distichlis spicata H. and M. Dearing 1936-12-25 Riverside near Thousand Palms Comment
  SEINET10521736  Distichlis spicata David B. Dunn 1947-9-21 Dunn 3510 Riverside Collected in Pushawalla Canyon. Dry banks below. Comment
  CLARK-A1656-860  Distichlis spicata subsp. spicata Jon Mark Stewart 1983-10-10 Riverside Indio Hills 121 Comment
  JOTR34105  Ditaxis lanceolata La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2671 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  JOTR37429  Ditaxis lanceolata La Doux, Tasha 2016-3-9 3664 Riverside Above Hayfield Dry Lake - Stop 3 524 Comment
  UC17546  Ditaxis lanceolata S. B. Parish Apr 4 1896-Apr 13 1896 4141 Riverside (Agua Caliente) Palm Springs (base of San Jacinto Mt); base of San Jacinto Mt., , (Agua Caliente) 152 Comment
  RSA0027580  Ditaxis neomexicana Kristin Forgrave, April Garbat, Deidre Conocchioli 2013-8-13 34 Riverside South side of Chuckwalla Valley Rd. 3 miles E of Corn Springs. Comment
  RSA675730  Ditaxis neomexicana Scott D. White 2001-4-27 8421 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway ca. 15 miles east of the Indio jtn. of I-10/ SR-111. Bajadas and washes adjacent to powerline access roads near unnamed freeway exit accessing pump station. 396 Comment
  RSA676115  Ditaxis neomexicana Scott D. White 2001-5-4 8447 Riverside Eastern Coachella Valley, adjacent to I-10 Freeway, a few miles east of Indio. 61 Comment
  RSA355177  Ditaxis serrata var. californica J. M. Stewart 1986-1-20 86 -3 Riverside Divide between Mecca Hill and Orocopia Mountains. Comment
  CAS-BOT-BC43644  Dithyrea californica S. B. Parish 1896-4-4 4107 Riverside Palm Springs, (Agua Caliente) desert base of San Jacinto Mountain. 213 Comment
  POM7117  Dithyrea californica P. A. Munz, L. T. Street 1919-3-25 2309 Riverside Sand dunes. Whitewater. 305 Comment
  RSA162746  Dithyrea californica John Olmsted 1958-3-29 79 Riverside Transtion zone with interior drainage into Pinto BAsin 10miles N of jct between Cottonwood Pass and Cottonwood Spring Roads on the former which has now becom Pinto Basin Road, Joshua Tree National Monument. 549 Comment
  RSA510057  Dithyrea californica B. Pitzer, Steve Myers, J. Wilkinson 1988-2-21 598 Riverside S end of Coxcomb Mtns, 0.2 mi. N of Hwy 177 (Old Desert Center - Rice Road), 10.6 mi. NE of Desert Center. 229 Comment
  RSA574741  Dodecahema leptoceras Steve Boyd 1982-4-27 s.n. Riverside Gavilan Hills region, Temescal Canyon, along Indian Wash, S of Di Palma Road and I-15. 366 Comment
  SD154066  Dodecahema leptoceras Fred Sproul June 1999 Riverside San Jacinto Wash in Valle Vista, east of Hemet, at gaging station. Observed over several acres both north and south of the San Jacinto River. This collection from population a marked on the enclosed map, north of river. Comment
  UC1606957  Dodecahema leptoceras Steve Boyd 1986-4-19 1692 Riverside e side of wash between I-15 and Temescal Canyon Road; Temescal Canyon, Indian Wash Comment
  CAS-BOT-BC136106  Dodecatheon alpinum S. B. Parish; W. F. Parish 1881-7-20 305 Riverside Tahquitz [Tockwich] - San Jacinto Mtn. Comment
  RSA736257  Dodecatheon clevelandii Scott D. White, Justin M. Wood 2008-4-3 11789 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  UC10472  Draba corrugata var. saxosa H. M. Hall July, 1901 2413 Riverside near the summit San Jacinto Mountains San Jacinto Mountains 3291 Comment
  RSA585644  Draba cuneifolia D. L. Banks, S. D. Boyd 1995-3-15 81 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. 732 Comment
  CLARK-A1528-5229  Draba sonorae John C. Roos 1952-3-19 5402 Riverside Box Springs Mountains 457 Comment
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Oct 23 2014
  UCR12626  Dryopteris arguta I. G. Rauch 1968-2-15 s.n. Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon 488 Comment
  UCR92777  Dryopteris arguta D. L. Banks, Steve Boyd 1995-2-16 51 Riverside Peninsular Range; Agua Tibia Mountains, Cleveland National Forest, Agua Tibia Wilderness Area: N slope of Agua Tibia Mtn, south of the Dripping Springs Alcove, east of the Woodchuck Trail 829 Comment
  SD206994  Dudleya aloides Reid Moran 1947-5-10 2183 Riverside Andreas Palm Canyon; south of Palm Springs. Comment
  POM93029  Dudleya lanceolata Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  SD137797  Dudleya lanceolata Darin L. Banks, Steve Boyd 1995-5-3 277 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. North slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area. 515 Comment
  UC76452  Dudleya lanceolata Miss M. Alice King May, 1893 Riverside Menifee Comment
  CLARK-A1528-1173  Dudleya saxosa subsp. aloides Sally Bell 1964-5-3 Riverside 761 Comment
  GMDRC3987  Dudleya saxosa subsp. aloides J. Andre, T. La Doux 2006-4-26 11771 Riverside Little San Bernardino Mountains: upper Long Canyon (western drainage), growing on rocky slope in decomposed granite 1165 Comment
  UCR86035  Dysphania pumilio Michael A. Patten 1992-5-7 92- 26 Riverside Santa Ana mtns., Santa Rosa Plateau, along Via Vaquero at Via Oesta, c. 5 km. west of Temecula 399 Comment
  SEINET10952581  Echinocereus engelmannii Tracy Scott, Andrew Townesmith; Karen M. Meyer 2007-3-18 Scott 138 Riverside San Bernardino National Forest. San Jacinto Ranger District, about 0.2 mi. along Pinon Flats Transfer Station Rd. off Rte. 74. 1228 Comment
  CAS-BOT-BC56758  Echinocereus engelmannii subsp. engelmannii Dr. Barton W. Evermann 1924-4-1 s.n. Riverside Field redacted by CAS, contact the data manager for more information Comment
  UCR115129  Echinochloa colona Mitch Provance 2000-10-28 2278 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 290 Comment
  RSA0035484  Echinochloa crus-galli Dagne Duguma 2013-7-7 s.n. Riverside Prado wetlands near Corona 155 Comment
  RSA557322  Echinochloa crus-galli Scott D. White 1993-7-5 1384 Riverside San Jacinto Wildlife Area. West of dirt road. 445 Comment
  RSA0036471  Ehrendorferia chrysantha J. M. Andre 2012-6-15 30500 Riverside San Jacinto Mountains: Along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest. 1171 Comment
  RSA326147  Ehrharta erecta John F. Emmel 1981-6-27 788 Riverside Hemet. 488 Comment
  RSA463705  Ehrharta erecta Mira M. Bogen 1987-5-10 s.n. Riverside [Riverside?] Along Van Buren Boulevard between bridge over Santa Ana river and sewer. Comment
  RSA737428  Eichhornia crassipes Justin M. Wood 2008-8-31 128 Riverside Romoland, Intersection of Ethanac Rd and Antelope Rd. 441 Comment
  POM11870  Elatine brachysperma P. A. Munz, I. M. Johnston 1922-5-19 5569 Riverside Menifee Valley. 427 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
  RSA526161  Eleocharis montevidensis Steve Boyd, Timothy S. Ross 1990-5-11 4664 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
  RSA191443  Eleocharis montevidensis var. montevidensis E. W. Lathrop, Robert F. Thorne 1967-9-26 6629 Riverside 6 miles NW of Murrieta. Comment
  POM10225  Eleocharis palustris F. M. Reed 1907-6-9 1400 Riverside Cienega near Spring Brook [Pump?] House, above Fairmont Park. Comment
  SBBG101684  Eleocharis palustris S. Boyd, T. Ross, D. Zippin, T. Coerbauer 1991-6-14 6333 Riverside Skunk Hollow area, 2 mi E of Murrieta Hot Springs just W of Second San Diego Aqueduct Comment
  CAS-BOT-BC113299  Eleocharis parishii Samuel B. Parish 1907-4-22 6145 Riverside Western border of the Colorado desert, Palm Canyon. 200 Comment
  OBI37477  Eleocharis radicans Steve Boyd 1985-8-7 1108 Riverside Santa Rosa Plateau region, NW base of Redonda Mesa on Tenaja Rd, 0.8 mi E of jtn with 8S01 and 8S02 Comment
  UCR109735  Eleocharis rostellata R. E. Orth 1963-3-8 s.n. Riverside Riverside, Santa Ana River 213 Comment
  UCR125276  Eleusine indica A. C. Sanders 2002-11-21 25637 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  SEINET8566972 Image available Eleusine tristachya J. T. Columbus, S. Boyd 2003-8-16 4464 Riverside Valle Vista (just E of Hemet), along Fairview Ave. 0.9 rd. mi. S of jct. with Stetson Ave, E. side of road. 600 Comment
  UCD62752  Elymus elymoides Peter H. Raven 1958-5-5 12881 Riverside Jumbo Rocks Camp Ground, Joshua Tree National Monument. Comment
  SEINET1908655  Elymus glaucus A. C. Sanders, Mitch Provance 2008-1 35791 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. 1450 Comment
  UC38215  Elymus glaucus H. M. Hall July, 1901 2253 Riverside Box Springs San Jacinto Mountains 1615 Comment
  UC729843  Elymus glaucus Carl B. Wolf 1932-8-5 3942 Riverside along trail from Tahquitz Valley to San Jacinto Peak; San Jacinto Mts. 2621 Comment
  POM259163  Elymus glaucus subsp. glaucus P. A. Munz 1938-8-14 15350 Riverside Virgin Spring, Santa Rosa Peak. 2287 Comment
  RSA754125  Elymus trachycaulus W. Schlegel, Andrew Troutte, Jordan Zylstra 2008-8-29 16 Riverside Idyllwild: Skunk Cabbage Meadow. 2449 Comment
  RSA0031712  Emmenanthe penduliflora Tamara Joy Hanna 1991-5-19 49 Riverside Off of Coyote Canyon Road (FWD dirt) on a walking trail approx. 3 mi from the gated (back) entrance to the Anza-Borrego State Park via Horse Canyon. Comment
  RSA357851  Emmenanthe penduliflora Robert F. Thorne, M. Z. Thorne 1973-3-30 42696 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  UCR182440  Emmenanthe penduliflora Mitch Provance 2003-5-5 4421 B Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  UCR216359  Emmenanthe penduliflora Mike Bell 2008-3-19 037 Riverside Sonoran (Colorado) Desert/San Bernardino Mtns., Bonnie Bell, along Whitewater River c. 2 miles north on Whitewater Canyon Rd. from I-10 freeway 537 Comment
  UCR279507  Emmenanthe penduliflora A. C. Sanders, Jim Malusa 2017-3-27 43110 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, canyon 12 km NE (46 deg. ) of Bombay Beach, on both sides of the Imperial County line 305 Comment
  SEINET12279715  Emmenanthe penduliflora J. Bright, Wyman, C. 1933-1 8080 Riverside between Radio and Palm Springs 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
  POM356673  Encelia actoni Norman C. Cooper 1949-6-3 4150 Riverside Temecula 762 Comment
  POM356690  Encelia actoni Julian P. Donahue 1984-10-6 90405 Riverside Pinyon Crest, Pinyon Flat, between San Jacinto & Santa Rosa Mts. 1249 Comment
  RSA543750  Encelia actoni Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6054 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain 3 miles N Highway 79, 1 mile W of Highway 371, N of Aguanga. 600 Comment
  RSA781834  Encelia actoni Michael Wall 2011-8-5 609 Riverside Bautista Creek off Bautista Canyon Rd. ca. 6.5 miles SE of jct. with Fairview Ave. 749 Comment
  SD229086  Encelia actoni Dick Schwenkmeyer, Bethany Jenkins 2012-3-7 630 Riverside Mt. San Jacinto 1085 Comment
  UCR87933  Encelia actoni A. C. Sanders, N. Ferguson 1994-6-2 14624 Riverside San Jacinto Mtns, Bautista Canyon, c. 1 mile above the forest service boundary 850 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
  UCR101340  Encelia californica A. C. Sanders, N. Ferguson 1997-3-20 20066 Riverside Riverside area, March Air Force Base, west of Hwy 215 at west end of Cactus Ave., vicinity of former weapons storage facility 518 Comment
  RSA0018592  Encelia farinosa Duncan S. Bell 2013-1-30 4458 Riverside The Mecca Hills; collecting beside the Coachella Canal and the powerlines at the base of the mountains in narrow desiccating depressions where winter rains had collected. 23 Comment
  RSA771033  Encelia farinosa Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4540 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SFV5024  Encelia farinosa F. M. Ball 1964-1-4 s. n. Riverside Colorado Desert Wide bench on right side of Rt. 74 to Hemet, about 7 miles south of Palm Desert. 335 Comment
  UC1118071  Encelia farinosa R. St. John 1930-3-26 109 Riverside Elsinore Quad., Lamb Canyon 518 Comment
  UC135052  Encelia farinosa C. F. Baker 1903-4-4 4151 Riverside Elsinore Comment
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Feb 2 2013
  UC895515  Encelia farinosa I. W. Clokey and B. C. Templeton 1930-4-9 4687 Riverside n of Palm Springs; Colorado Desert Comment
  UCD131215  Encelia farinosa R. L. Smith 1948-3-24 s.n. Riverside Foot of Andreas Canyon. Comment
  UCR147746  Encelia farinosa Steve Boyd, Et al. 2004-5-14 11255 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range 570 Comment
  UCR238220  Encelia farinosa Mark A. Elvin 2005-5-19 4362 Riverside Sonoran (Colorado) Desert, eastern edge of Coachella Valley, north of I-10 NW of Cactus City 546 Comment
  RSA0045152  Encelia farinosa Andrew Haimov, April Sleigh 1992-5-10 84 Riverside East side of Davis Road, 3 miles south of Allessandro Road, bordering San Jacinto Wildlife Area. Comment
  POM308648  Encelia farinosa var. farinosa Henry J. Ramsey, Henry J. Ramsey 1937-5-9 3201 Riverside Near Desert Center. Comment
  RSA25346  Ephedra aspera C. L. Hitchcock 1940-3-29 5868 Riverside Cottonwood Canyon, ca. 100 yards east of Spring. 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
  SEINET11062604 Image available Ephedra californica Marc A. Baker, Michelle Cloud-Hughes 2015-3-26 18292 Riverside Chuckwalla Bench, 64km WSW of Blythe, 3.9km south of Augustine Pass 660 Comment
  JOTR31179  Ephedra nevadensis La Doux, Tasha, G. Clifton 2009-5-14 1976 Riverside Joshua Tree National Park. (Stop 1)Little San Bernardino Mountains, Upper Covington Flats, west of trail head 1474 Comment
  RSA383801  Ephedra nevadensis M. B. Dunkle 1935-3-31 4444 Riverside Cottonwood Springs. Colorado Desert 701 Comment
  CAS-BOT-BC81862  Ephedra trifurca Carl B. Wolf 1932-4-29 3123 Riverside Eastern Colorado Desert, 3 mi. So. of Rice on Blythe Road 213 Comment
  RSA0030700  Ephedra trifurca J. Andre 2013-3-27 24810 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). 242 Comment
  POM179210  Ephedra trifurca Philip A. Munz 1941-4-5 16693 Riverside Sand dunes southeast of Iron Mts. Comment
  CAS-BOT-BC171739  Epilobium canum subsp. latifolium Louis C. Wheeler 1931-10-4 199 Riverside Strawberry Valley Trail, San Jacinto Mts. 1584 Comment
  RSA335023  Epilobium canum subsp. latifolium Steve Boyd 1985-8-7 1109 Riverside Santa Rosa Plateau region, NW base of Redonda Mesa on Tenaja Rd., 0.8 miles east of junction with 8S01 and 8S02. Comment
  UC874260  Epilobium canum subsp. latifolium I. W. Clokey and E. G. Anderson 1935-8-21 6773 A Riverside hillside n Keen Camp P.O. 1400 Comment
  CAS-BOT-BC165938  Epilobium densiflorum Scott D. White 1996-8-1 4423 (1 of 2 replicates) Riverside Idyllwild Area: Hwy 243 at Deer Springs trailhead and adjacent area 1830 Comment
  SD132849  Epilobium pygmaeum Tim Cass, Fred Sproul 1979-6-1 208 Riverside Mesa de Buro, Pond A Comment
  RSA263778  Epipactis gigantea R. Weatherby 1950-5-18 2967 Riverside Hagador [Hagador Canyon]. 396 Comment
  IRVC14074  Equisetum laevigatum B. T. Gittins 1966-5-1 1251 Riverside 6 miles W of Murietta; roadside. Santa Ana Mountains Comment
  RSA191439  Equisetum laevigatum E. W. Lathrop, Thorne 1967-9-26 6624 Riverside 6 miles NW of Murrieta. Comment
  GMDRC2527  Eragrostis cilianensis T. La Doux, J. Andre 2007-9-6 130 Riverside Little San Bernardino Mountains: Little San Bernardino Mountains: on dirt road to Lost Horse Ranger Sta, below Hemmingway Buttress, Joshua Tree Natl. Park.. Elev. 4058 ft. 1237 Comment
  UCD63450  Eragrostis mexicana subsp. mexicana Beecher Crampton 1963-5-7 6777 Riverside Riverside, 1 mile west U.C. - Riverside Campus. 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
  UC18773  Eremalche exilis S. B. Parish Apr 4 1896-Apr 13 1896 4110 Riverside Palm Sprngs (Agua Caliente), desert base of San Jacinto Mt. San Jacinto Mt., Palm Sprngs (Agua Caliente) 152 Comment
  RSA432695  Eremalche rotundifolia Anstruther Davidson 1903-5-3 900 Riverside Thermal. Comment
  UCR148462  Eremalche rotundifolia S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 10 miles ESE of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 20 Comment
  SBBG28429  Eremocarya lepida D. Myrick 1964-4-30 816 Riverside Pines to Palms Hwy 74, 15 mi W of Palm Desert 1219 Comment
  UCSB4375  Eremothera boothii subsp. condensata Koran, John 1958-4-10 Riverside 2.2 miles West on HWY 74 from intersection with HWY 111 Comment
  RSA0126636  Eremothera refracta Duncan S. Bell 2016-3-4 8801 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
  LA106803  Eriastrum densifolium subsp. densifolium Elizabeth McClintock; 1938-7-17 sn Riverside San Jacinto Mountains, near Pine Cove Comment
  JEPS69026  Eriastrum diffusum subsp. coachellae E. E. Schellenger April 1920 Riverside Coachella Colorado Desert. Comment
  CAS-BOT-BC514422  Eriastrum diffusum subsp. diffusum H. M. Hall 1905-5-1 5965 Riverside McCoy Wash: Colorado Desert Comment
  UCR50890  Eriastrum eremicum A. C. Sanders 1988-5-11 7810 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal, east of the gasline road from Niland 549 Comment
  RSA0120084  Eriastrum eremicum subsp. eremicum Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-28 1096 Riverside Chuckwalla Mountains, Corn Springs Road; Road crossing of main wash that drains Chuckwallas to the east toward the Chuckwalla Bench 427 Comment
  CAS-BOT-BC514463  Eriastrum eremicum subsp. eremicum Ynez Whilton Winblad 1937-4-19 s.n. Riverside Near Palm Springs Comment
  UCR174070  Eriastrum filifolium A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32636 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  UC52480  Eriastrum sapphirinum H. M. Hall 1896-8-27 329 Riverside San Jacinto Mountains 1584 Comment
  UCR133003  Eriastrum sapphirinum 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
  UCR261506  Eriastrum sapphirinum A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-19 41728 Riverside Temesal Canyon, west side of Horse Thief Canyon Rd. just south of DePalma Rd., Horsethief Canyon wash 392 Comment
  RSA0121578  Eriastrum sapphirinum subsp. dasyanthum J. T. Howell 1928-7-8 1044 Riverside Near Glen Ivy. 396 Comment
  RSA0121591  Eriastrum sapphirinum subsp. dasyanthum R. L. Pendleton 1905-9-28 269 Riverside Railroad embankment, Salt Lake Bridge, Riverside. 152 Comment
  UCR149941  Ericameria brachylepis Scott D. White 2004-10-8 10774 Riverside Peninsular Ranges, 'Black Hills,' southeast of Lake Skinner and north of Oak Mountain 640 Comment
  UCR123257  Ericameria cuneata Steve Boyd, D. E. Bramlet 1988-10-8 2859 Riverside San Jacinto Mtns. area, Cahuilla Mountain, SW of Anza at head of Bautista Canyon, along the crest of the mountain 1707 Comment
  JOTR31240  Ericameria cuneata var. spathulata Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. ROAD TO PROSPECT 1/2 MILE NORTH OF SPLIT ROCK Comment
  POM359409  Ericameria linearifolia Mark Morris 1929-3-17 14925 Riverside Palm Canyon. Comment
  POM359411  Ericameria linearifolia M. B. Dunkle 1933-5-6 3382 Riverside Colorado Desert. Dry Morongo Creek Comment
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Oct 31 2011
  CAS-BOT-BC299527  Ericameria palmeri var. pachylepis H. M. Hall 1930-11-9 13026 Riverside Aguanga Hills 5 mies from Aguanga Comment
  RSA692224  Erigeron divergens Scott D. White 2003-10-9 9825 Riverside Pine Cove area. Dutch Flat. 1753 Comment
  RSA761281  Erigeron foliosus Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade, et al. 2010-8-14 714 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCR167305  Erigeron foliosus Scott D. White, Jennifer H. Jones 2005-5-24 11095 Riverside Banning Pass area, Cabazon: San Gorgonio River wash and adjacent alluvial flats and benches to W 610 Comment
  IRVC27397  Erigeron foliosus var. foliosus A. C. Sanders, T. Schram, D. Wappler 1994-10-4 15776 Riverside N slope of the mtns: nameless tributary to Azalea Creek, ca. 1 mi. due S of the Twin Pines Ranch buildings. San Jacinto Mtns 1128 Comment
  UC63037  Erigeron foliosus var. foliosus H. M. Hall 1899-5-1 Riverside Van de Venter's San Jacinto Mountains 1371 Comment
  POM262958  Eriodictyon crassifolium J. C. Roos 1941-5-10 131 Riverside San Jacinto River bridge, east of Hemet Comment
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Apr 29 2011
  POM305416  Eriodictyon crassifolium Henry J. Ramsey, Henry J. Ramsey 1938-5-4 637 Riverside Elsinore Comment
  UC916697  Eriodictyon crassifolium Frank W. Gould 1944-4-5 2223 Riverside 17 mi e Temecula; e of Temecula Comment
  LA205719  Eriodictyon trichocalyx var. trichocalyx Carl Epling; William Robison 1933-6-24 sn Riverside Little San Bernardino Mountains, San Gorgonio Wash, near Banning Comment
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Jun 22 2015
  RSA792160  Eriogonum A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35621 Riverside May Valley c. 1.0 mi. WSW of Fleming Ranch 1585 Comment
  CAS-BOT-BC248619  Eriogonum apiculatum Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  JOTR32454  Eriogonum brachyanthum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2602 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam loop trail, near trailhead; Sandy wash and open flats among boulder outcrops (Stop 2) 1298 Comment
  RSA777396  Eriogonum clavatum Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 788 Riverside Mecca Hills, just south of Shaver's Well. 305 Comment
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Dec 22 2020
  RSA393469  Eriogonum davidsonii Donald Myrick 1969-10-20 2128 Riverside Along Hwy 74 east of Hemet. 1067 Comment
  UC667354  Eriogonum deflexum var. deflexum Annie M. Alexander and Louise Kellogg 1941-5-15 2187 Riverside n base of Eagle Mountains Colorado Desert, Eagle Mountains 914 Comment
  UCR3399  Eriogonum elongatum John Minnich 1964-2-27 64-2-27- 4 Riverside Box Springs Mtns., Stone Face Canyon, 0.25 mi. past end of Two Trees Road and 1/2 mi. up side canyon above reservoir Comment
  CAS-BOT-BC250129  Eriogonum fasciculatum var. polifolium Mrs. J. D. Abrams 1901-5-1 s.n. Riverside Elsinore Comment
  LA206795  Eriogonum fasciculatum var. polifolium Norman C. Cooper; 1944-4-8 1080 Riverside Andreas Canyon 304 Comment
  OBI11093  Eriogonum fasciculatum var. polifolium Tracey & Viola Call, Viola Call 1962-4-6 2119 Riverside 4 mi W of Desert Hot Springs, at road jctn 213 Comment
  POM123087  Eriogonum fasciculatum var. polifolium Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs. 61 Comment
  CLARK-A1528-3738  Eriogonum gracile C. Epling, William Robison 1933-6-24 Riverside San Gorgonio Wash Comment
  SDSU6523  Eriogonum gracile R. Harvin 1962-7-28 39 Riverside Roadside approx. 2 miles east of Hemet off highway 74. 914 Comment
  UCR251984  Eriogonum gracile A. C. Sanders, T. B. Salvato 2014-7-2 41167 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  RSA588189  Eriogonum gracile var. gracile D. L. Banks, Victor W. Steinmann 1995-7-10 754 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Wildhorse Trail, W of lower Arroyo Seco, SE of Wildhorse Peak. Along the drainage N of the peak ''Agua. 1000 Comment
  RSA500167  Eriogonum gracile var. incultum Steve Boyd, Tim S. Ross, Laurel Arnseth 1989-6-10 3660 Riverside Vail Lake area, Temecula Creek canyon below the dam. 457 Comment
  UCR148040  Eriogonum inflatum Steve Boyd, Et al. 2004-5-14 11230 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
  UCSB6810  Eriogonum inflatum Philbrick, Ralph 1953-06 Riverside Joshua Tree National Monument Comment
  UC61697  Eriogonum inflatum var. deflatum L. D. Copeland 1904-4-30 106 Riverside West Canyon, Palm Spring Comment
  RSA338172  Eriogonum maculatum Robert F. Thorne, Rolf, Gertrud Dahlgren 1979-8-22 53580 Riverside Joshua Tree National Monument; Vicinity of Ryan Campground to base of Ryan Mountain. 1319 Comment
  JOTR32842  Eriogonum plumatella La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1631 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; granitic bouldery slopes above wash 1260 Comment
  CAS-BOT-BC258242  Eriogonum pusillum Annie M. Alexander; Louise Kellogg 1941-5-15 2189 Riverside Colorado Desert. North base of Eagle Mountains 914 Comment
  JOTR35298  Eriogonum pusillum Andre, Jim 2012-4-11 20795 Riverside Joshua Tree National Park. western margin of Eagle Mountains, along road to Cottonwood Spring (Utah Trail), 0.7mi N of Cottonwood Visitor Center 956 Comment
  CAS-BOT-BC253019  Eriogonum reniforme John H. Thomas 1957-3-30 6575 Riverside About 3 miles southeast of White Tank near the road to Cholla Cactus Garden about 20 miles northeast of Indio, Joshua Tree National Monument 883 Comment
  UCR243512  Eriogonum saxatile Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21083 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, up side canyon approx. 400 m. west of main canyon drainage 1172 Comment
  JEPS22516  Eriogonum thomasii Rimo Bacigalupi with Paul Hutchison 1958-2-19 6194 -A Riverside 9.4 mi n Blythe (wash at western base of the Big Maria Mts.); Big Maria Mts. 167 Comment
  POM122028  Eriogonum thomasii Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA510049  Eriogonum thomasii B. Pitzer 1988-3-10 657 Riverside Chuckwalla Mountains. W side of mountains, on gas line road ca. 1.5 mi north of intersection with Red Cloud Mine Road (and wash); ca. 2 miles (airline) S of Highway I-10. (Red Cloud Road. 10 km cell; PH-2N, 3E) 488 Comment
  SD185290  Eriogonum thomasii John F. Green 2005-2-2 Riverside Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, ca. 3 miles east of Desert Beach 24 Comment
  POM47237  Eriogonum thurberi Mary F. Spencer 1920-3-28 s.n. Riverside Palm Springs. 122 Comment
  RSA601446  Eriogonum thurberi Louis C. Wheeler 1932-9-4 1323 Riverside Santa Ana River at Chino Creek. 152 Comment
  UC310875  Eriogonum thurberi P. A. Munz 1925-5-20 9851 Riverside 2 mi e Aguanga Comment
  CAS-BOT-BC264931  Eriogonum wrightii var. membranaceum Geo. B. Grant No date on label. s.n. Riverside Strawberry Valley, San Jacinto Mts. Comment
  JEPS56110  Eriogonum wrightii var. membranaceum Marjorie D. Clary 1932-8-21 Riverside Hemet Valley San Jacinto Mts. 1371 Comment
  CAS-BOT-BC298483  Eriophyllum ambiguum var. paleaceum H. M. Hall 1905-4-1 5760 Riverside Near Palm Springs Comment
  POM29811  Eriophyllum ambiguum var. paleaceum S. B. Parish 1894-1 s.n. Riverside Palm Springs. Comment
  UCD132264  Eriophyllum confertiflorum P. C. Everett; E. K. Balls 1958-5-4 23081 Riverside Morongo Pass, 7.6 mi. n. along road to 29 Palms from U.S. Hwy. 60/70. 670 Comment
  UCR268283  Eriophyllum confertiflorum var. confertiflorum Jim Andre 2012-6-15 30509 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243 at Mount Edna Road, c. 1 mile north of McMullen Flat, 5.9 miles south of Hwy I-10 at Banning 1172 Comment
  POM358163  Eriophyllum lanosum Anstruther Davidson 1922-4-1 3527 Riverside Palm Springs. Comment
  CAS-BOT-BC301791  Eriophyllum multicaule Frank W. Peirson 1922-4-29 2927 Riverside Road to Leach Canyon, about 1 mile north of Lake Elsinore Comment
  JEPS5435  Eriophyllum multicaule W. L. Jepson 1928-4-19 12431 Riverside 5 mi n Elsinore Comment
  RSA654552  Eriophyllum multicaule Bruce Albert 1982-4-17 74 Riverside Field north of Santa Rosa road, 5.7 miles east of Lake Mathews Road. Comment
  POM358158  Eriophyllum wallacei Norman C. Cooper 1944-5-20 1246 Riverside Palms to Pines Hwy. San Jacinto Mtns. 1219 Comment
  UCR120912  Erodium brachycarpum A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24950 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  RSA0108943  Erodium cicutarium Duncan S. Bell, Amanda Bell 2012-1-28 3067 Riverside East side of the Arica Mountains; collecting in Rice Valley, approximately 6 air miles southeast of the ghost town of Rice. 202 Comment
  UCR178525  Erodium cicutarium R. G. Swinney 1967-2-12 0027 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek 335 Comment
  RSA543135  Erodium macrophyllum Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6124 Riverside Vail Lake region, summit of Oak Mountain, N of lake near Henderson benchmark. 823 Comment
  UCR202506  Erodium moschatum Justin M. Wood 2008-12-2 262 Riverside Southwest Perris Basin, city of Temecula, Murrieta Creek, downstream of First Street Bridge 305 Comment
  UCD103002  Erodium texanum C. L. Hitchcock 1966-3-20 24308 Riverside 30 miles n. of Ogilby, along rd. to Blythe.Riverside County: 30 miles N of Ogilby, along road to Blythe. Comment
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Mar 2 2013
  UCR33575  Erodium texanum Sears 1978-3-16 813 Riverside Sonoran (Colorado) Desert, 3.5 mi SE of Midland 244 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
  UCR120626  Erysimum capitatum Steve Boyd, K. A. Boyd, C. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2265 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  SD67898  Erysimum capitatum var. capitatum Reid Moran 1968-8-3 15348 Riverside Northeast slope, ridge, 1.0 mile northwest of Toro Peak. 2250 Comment
  RSA0020252  Erythranthe floribunda Naomi Fraga, Ilene Anderson, Mike Hamilton, Michael Wall, Gary Wallace 2006-9-7 1778 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  JOTR33941  Eschscholzia La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2830 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  RSA0022975  Eschscholzia androuxii F. W. Peirson 1927-4-11 7153 Riverside 0.5 mile below Whitewater Bridge, head of Coachella Valley. Comment
  RSA524429  Eschscholzia californica Steve Boyd, Tim S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4125 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
  UC10051  Eschscholzia minutiflora S. B. Parish Apr 4 1896-Apr 13 1896 4106 Riverside Palm Springs (Agua Caliente) San Jacinto Mt. (desert base of mt.) 152 Comment
  UC635599  Eschscholzia minutiflora Margaret Stason 1927-2-12 Riverside 1000-Palm Canyon Comment
  SEINET5339996  Eschscholzia minutiflora var. darwinensis I. W. Clokey 1935-4-17 6628 Riverside Cottonwood Springs. Comment
  CAS-BOT-BC419614  Eschscholzia parishii Richard Snow 1952-4-14 11 -1 Riverside Road to Morongo Valley, 7.8 miles from junction with Highway 99/60/70 Comment
  CAS-BOT-BC419646  Eschscholzia parishii Richard Snow 1953-4-5 51 a Riverside Box Canyon Comment
  UCR101588  Eschscholzia parishii Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  UCR5903  Eschscholzia parishii David T. Wright 1966-3-5 s.n. Riverside Sonoran (Colorado) Desert, 2 mi south of Palm Desert at the mouth of Deep Canyon Comment
  RSA0022923  Eschscholzia parishii Steve Boyd, Orlando Mistretta 1986-3-13 1452 Riverside West side Palen Mts.: NE of Desert Center. Comment
  RSA718872  Eschscholzia parishii Michael Honer, L. Hulse 2005-3-7 2033 Riverside Blind Canyon; appx. 1/2 mi. N of Desert Hot Springs. 488 Comment
  RSA271438  Eucrypta chrysanthemifolia C. W. Tilforth 1978-4-30 1570 Riverside Low rounded hills east of Norco. Comment
  RSA704001  Eucrypta chrysanthemifolia Daphne K. Christopher, H. Stevens, Z. Princip 2003-4-9 126 Riverside Near Hermano Road, off Hwy. 15, Indian Truck Trail exit. On right spur of primary dirt road. 550 Comment
  UCR158524  Eucrypta chrysanthemifolia A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30048 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  UCR280922  Eucrypta micrantha Fred M. Roberts 2016-3-5 7997 Riverside Sonoran (Colorado) Desert, Little Maria Mountains: shallow canyon at west end, 4.3 km east of Palen Pass and 2.0 km WNW Peak "602" 116 Comment
  SFV2532  Eulobus californicus P. G. Kilburn 1958-5-16 800 Riverside San Jacinto Mountains 5 miles south of Palm Desert on Palms-Pines Highway (Highway 74). 915 Comment
  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-A1528-2490  Euonymus occidentalis subsp. parishii John C. Roos 1941-8-2 Riverside San Jacinto Mountains Comment
  RSA721874  Euphorbia J. Mark Porter, Orlando Mistretta 2003-6-5 13605 -A Riverside Chocolate Mountains. Chocolate Mountain Bombing and Gunnery Range. Unnamed canyon, S of Salt Creek, accessed via Siphon 21 of the Coachella Canal; fork running east, above the pour-off. 439 Comment
  UCR244425  Euphorbia eriantha Jim Andre 2012-4-16 20920 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd, 3.1 mi. north of south entrance, 4.1 mi. north of I-10 788 Comment
  JOTR35059  Euphorbia polycarpa La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3511 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road. South-facing bajada with shallow Sonoran desert riparian corridors among desert pavement. Comment
  SEINET3828351  Euphorbia polycarpa Amber Swanson 2011-1 653 Riverside On a flat sandy wash areas 426 Comment
  UCR112976  Euphorbia polycarpa B. G. Pitzer 1998-3-1 3549 Riverside Lakeview Mtns, Maze Stone county historical marker & picnic area, E side of mtns, on W side of Reinhardt Canyon 610 Comment
  UCR183338  Euphorbia polycarpa Mitch Provance 2005-5-27 4601 Riverside San Bernardino Valley, Riverside, Sycamore Canyon, just east of the corner of Canyon Crest Drive and Via Vista 381 Comment
  RSA278962  Euphorbia polycarpa var. hirtella B. A. Prigge, L. Martinez 1978-3-23 2407 Riverside NW Colorado Desert, Coachella Valley, 1.9 miles E of North Palm Springs on Dillon Rd. 243 Comment
  UCD142740  Euphorbia polycarpa var. hirtella A. H. F. 1928-3-1 s.n. Riverside W. of Colorado Desert; Nr. Palm Springs. Comment
  UCR26563  Euphorbia polycarpa var. hirtella George K. Helmkamp, R. L. Kobaly 1982-5-6 s.n. Riverside San Jacinto Mtns, N foot, at Snow Creek. Beside Snow Creek Road between the village and the wash. 488 Comment
  RSA0059013  Euphorbia polycarpa var. hirtella Edmund C. Jaeger 1939-12-3 s.n. Riverside Orocopia Mts. south of Hayfields Reservoir. 427 Comment
  UCR239870  Euphorbia prostrata O. F. Clarke 2004-5-4 s.n. Riverside Riverside, UCR Campus 335 Comment
  UCR215128  Euphorbia spathulata Sarah C. Pasquini 2008-4-15 10 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, c. 6 miles west of Murrieta, c. 60 m off Waterline Road 560 Comment
  RSA663918  Fagonia laevis C. R. Annable 1995-3-15 2279 Riverside 2.7km SW of Valerie on road to Martinez Canyon. Comment
  SBBG119166  Fatoua villosa A. C. Sanders 2004-8-10 28766 Riverside ca. 3 mi ENE of Perris, W of Menifee Rd (Pozos Ave) and S of Nuevo Rd, between San Jacinto River and Nuevo 432 Comment
  CLARK-A1528-7830  Festuca arundinacea John C. Roos 1949-5-21 4317 Riverside Temecula 304 Comment
  UCR181346  Festuca arundinacea Mitch Provance 2003-7-7 6528 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
  UCR108861  Festuca microstachys Heidi A. Haid 1968-1 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  SBBG103914  Festuca microstachys var. microstachys S. D. White 1993-4-20 1216 a Riverside SE of Estelle Pk, Gavilan Hills 792 Comment
  UCR18355  Festuca myuros George K. Helmkamp 1977-5-19 s.n. Riverside San Jacinto Mtns., Near Twins Pines Turnoff on Hwy 243, Valley [Hi Co.] Park area 1220 Comment
  UCR2409  Festuca myuros F. M. Reed 1926-6-14 59 Riverside San Jacinto Mtns., Banning Road near Point View [=Vista Grande?], west of Idyllwild 1768 Comment
  UCR174093  Festuca octoflora A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32513 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 640 Comment
  UCR225508  Festuca octoflora A. C. Sanders 2011-3-30 38919 Riverside Peninsular Range; SE edge Gavilan Hills, along north side of Hwy 74 at Riverside Street, just outside city limits of Lake Elsinore 479 Comment
  UCR85168  Festuca octoflora A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16089 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  UCR93096  Festuca octoflora George K. Helmkamp 1995-3-16 s.n. Riverside Sonoran (Colorado) Desert, 5.6 mi NE of Desert Center on Rice Rd. 152 Comment
  RSA500100  Filago californica Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3210 Riverside Vail Lake Area, W end of bench on S flank of Oak Mt. 518 Comment
  RSA395866  Filago depressa Steven A. Junak 1983-3-23 1620 Riverside Along Jefferson Road, across from entrance to Cahuilla Lake County Park, south of Indio 0 Comment
  RSA339318  Filago gallica R. F. Thorne, C. W. Tilforth 1980-5-28 54199 Riverside Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 610 Comment
  RSA69882  Forestiera pubescens F. W. Peirson 1933-4-13 10647 Riverside Between Deep Canyon and Idyllwild, at Palm Canyon crossing 1387 Comment
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Oct 31 2011
  UCR265565  Forestiera pubescens Angelique Herman, Keir Morse, Nick Regoli, Eric Lumba 2015-3-15 2015- 2 Riverside Santa Rosa/San Jacinto Mountains, Pinyon Flats Campground 1220 Comment
  LA26729  Fouquieria splendens William Shapeero; 1954-4-28 sn Riverside Joshua Tree National Monument Comment
  CAS-BOT-BC223601  Fouquieria splendens subsp. splendens Roxana S. Ferris 1918-6-15 992 Riverside 2 miles east of Shavers Well Comment
  RSA759754  Fraxinus pennsylvanica subsp. velutina A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37153 Riverside Box Springs Mtns. Foothills, Riverside, eastern side of UCR Campus in canyon below botanical garden 320 Comment
  UCR132723  Fraxinus velutina A. C. Sanders, O. F. Clarke 1991-6-10 11135 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 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
  RSA70349  Funastrum cynanchoides var. hartwegii F. W. Peirson 1916-04 888 Riverside Near Palm Springs. Comment
  JOTR28930  Funastrum hirtellum La Doux, Tasha, Bill Truesdell, Erin Babich 2005-3-7 1167 Riverside Joshua Tree National Park. Eagle Mountains, southeast end near Pinto Wells 316 Comment
  RSA70350  Funastrum hirtellum F. W. Peirson 1922-4-9 4118 Riverside Palm Canyon Region, near Palm Springs. Comment
  UCR112980  Gaillardia pulchella Mitch Provance 1998-6-20 754 Riverside Jurupa Mountains, Glen Avon Heights, on the north side of Conning St. (dirt road portion traversing from W to E), which lies between Campbell St. and Lindsay St. 262 Comment
  CLARK-A1045-87  Galium andrewsii George K. Helmkamp 1978-4-27 Riverside San Jacinto Mountains ca. 2 miles up [east northeast] from Oak Spring; Lake Fulmor 7.5'Q Comment
  UCSB9392  Galium andrewsii Haller, Norman 1953-5-24 Riverside Hwy. 74, Vandeventer Flats, 5 miles W. of Pinyon Flats, San Jacinto Mts. 1524 Comment
  LA208322  Galium angustifolium H. M. Hall; July 1901 2509 Riverside San Jacinto Mountains, vicinity of Strawberry Valley 1584 Comment
  UCR213441  Galium angustifolium A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37829 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, ridge west of dirt extension of Lake St., 0.9 mi. north (358 deg. ) of intersection of I-15 and Lake St. 488 Comment
  UCR262565  Galium angustifolium T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3756 Riverside San Jacinto Mountains, San Jacinto River Canyon, c. 0.16 mi south-southwest of the dirt parking area at the head of the South Fork Trail (FSR 2E17) from Hwy 74 1250 Comment
  RSA720450  Galium angustifolium subsp. angustifolium Naomi S. Fraga, Bryan Carey 2006-6-1 1690 Riverside Near Morris creek on a 4W drive trail, ca. 1/2 mile SW of Tripp Meadow. 1585 Comment
  RSA695500  Galium angustifolium subsp. jacinticum Valerie L. Soza, Naomi S. Fraga, Sarah Swartzentruber 2003-6-25 1696 Riverside Fuller Mill Creek just N of junction with Dark Canyon. 1494 Comment
  RSA483568  Galium aparine D. Charlton 1988-5-21 1956 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on hwy 74. 1677 Comment
  RSA701501  Galium californicum subsp. primum Naomi S. Fraga, Sarah J. De Groot 2004-7-7 1296 Riverside Along Chimeny Flats Road (5S06) near intersection with FS Road 5S24, on the way to Alvin Meadows. 1418 Comment
  JOTR16840  Galium multiflorum Hogan, J. 1976-7-11 66 Riverside Joshua Tree National Park. 0.2 MILES WEST OF EUREKA PEAK 1645 Comment
  SBBG29186  Galium parishii E. C. Jaeger 1949-7-25 Riverside Virgin Spring, N slope Toro Peak 2377 Comment
  UC1007169  Galium parishii Philip A. Munz 1938-8-13 15334 Riverside rocky slope e Santa Rosa Peak 2377 Comment
  SDSU13926  Galium porrigens var. porrigens Michael G. Simpson, Kim O'Connor 2000-4-29 2071 Riverside Rocky ridge, ca. 100 feet SSW of Northside field station, Santa Margarita Ecological Reserve (SDSU). 366 Comment
  UC1979634  Galium porrigens var. porrigens D. L Banks, Steve Boyd 1995-3-15 0077 Riverside NW Palomar Mtns., Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. Comment
  POM367817  Galium stellatum H. de Forest, Freda Detmers 1931-4-2 s.n. Riverside Colorado Desert. Comment
  CAS-BOT-BC217621  Galium stellatum subsp. stellatum Annie M. Alexander; Louise Kellogg 1941-5-18 2200 Riverside North slope of Eagle Mountains 1066 Comment
  SEINET7247852  Galium stellatum var. eremicum Duncan S. Bell, Marcel Beffort 2014-1 6600 Riverside Colorado Desert; Chocolate-Chuckwalla Mountain region: Chuckwalla Mountains; western end of Corn Springs wash/canyon; approximately 0.75 air mile southwest of Aztec Well. 671 Comment
  RSA597531  Garrya flavescens Louis C. Wheeler 1960-5-9 7687 Riverside Santa Rosa Mountains. Garnet Queen Mine. Comment
  UCR208931  Garrya flavescens Larry E. DeBuhr 1972-3-24 530 Riverside Peninsular Ranges; San Jacinto Mountains region, Santa Rosa Mountains, San Bernardino National Forest, along forest road 7S02 2195 Comment
  SD67919  Garrya flavescens subsp. pallida Reid Moran 1968-8-3 15372 Riverside Santa Rosa Mts., west slope, 1 mile west of summit 2100 Comment
  RSA1523  Garrya veatchii B. D. Stark 1930-3-18 1490 Riverside Mt. San Jacinto Comment
  SD137745  Garrya veatchii Darin L. Banks, Steve Boyd 1995-1-18 42 Riverside Cleveland National Forest, north sloape of Agua Tibia Mountain, west of Wild Horse Peak, along the Dripping Springs Trail. 963 Comment
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Mar 2 2013
  RSA690934  Gastridium phleoides Scott D. White, Michael Honer 2003-5-27 9414 Riverside 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
  RSA113807  Gayophytum diffusum subsp. parviflorum Peter H. Raven, R. Snow 1957-7-26 11088 Riverside Banning-Idyllwild road, 0.9 miles north of Vista Grande Ranger Station, San Jacinto Mts. Comment
  CAS-BOT-BC303582  Geraea canescens F. A. M. 1936-3-20 14484 Riverside Morongo Valley Comment
  POM13019  Geraea canescens P. A. Munz 1922-4-14 4967 Riverside Indian Wells 107 Comment
  POM358672  Geraea canescens M. B. Dunkle 1932-3-25 2917 Riverside 10 miles NW of Indio. Comment
  RSA696893  Geraea canescens J. Russell Bruff 1929-12-29 s.n. Riverside Near turn off to Hidden Spring N.E. side of Salton Sea. Comment
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Apr 17 2011
  RSA784749  Geraea canescens Duncan S. Bell 2012-2-12 3093 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  SBBG104633  Geraea canescens T. Glenn 1991-4-30 91 -59 Riverside McCoy Mtns NW of Blythe Comment
  SEINET8753916 Image available Geraea canescens Norman C. Cooper 1944-1 2633 Riverside Palm Springs 137 Comment
  UC909785  Geraea canescens Norman C. Cooper 1949-3-15 3027 Riverside Palm Springs Palm Springs (roadside) 121 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
  RSA263660  Geranium dissectum E. W. Lathrop 1975-5-27 7457 b Riverside West of Murrieta, Santa Rosa Plateau. 610 Comment
  UCR163081  Gilia B. G. Pitzer 2000-5-7 4140 Riverside Sonoran (Colorado) Desert, extreme north end of Orocopia Mountains, Shavers Valley, at base of hills c. 0.5 mi. SE of Box Canyon Road. 341 Comment
  RSA719234  Gilia Michael Honer, L. Hulse 2004-4-3 1919 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
  RSA0080325  Gilia angelensis Sarah J. De Groot, Cheryl Sevilla 2015-3-18 7371 Riverside White Water Canyon, along the Pacific Crest Trail, just west of the White Water Preserve; south of Red Dome. Southwest of Morongo Valley, west-northwest of Desert Hot Springs. 718 Comment
  RSA470126  Gilia angelensis N. C. Cooper 1944-4-23 1100 Riverside Banning 701 Comment
  RSA716388  Gilia angelensis Scott D. White, Angelia Carey 2004-4-5 9989 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  RSA776229  Gilia angelensis Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 875 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 762 Comment
  RSA85116  Gilia angelensis J. C. Roos 1952-4-2 5460 Riverside Box Springs Comment
  UCR155833  Gilia angelensis John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  POM17826  Gilia capitata subsp. abrotanifolia P. A. Munz, D. D. Keck 1923-6-14 7073 Riverside Santa Ana Mountains: Santiago Peak. 1524 Comment
  RSA125533  Gilia diegensis R. Weatherby 1949-6-6 668 Riverside Santa Rosa Mountain. 1982 Comment
  RSA171388  Gilia diegensis J. D. Olmsted 1962-5-3 3488 Riverside Edge of Thomas Mountain fire road south of Hemet Lake, NE flank of Thomas Mountain. 1418 Comment
  UC908040  Gilia latifolia Victor Duran 1935-4-18 Riverside near Indio (Curtis Palms); Curtis Palms -- near Indio Comment
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Dec 14 2011
  JEPS26556  Gilia maculata Peter Kamb 1948-4-11 888 Riverside Aqueduct Road 5 mi e Garnet (Coachella Valley); , e of Garnet 304 Comment
  CAS-BOT-BC407614  Gilia ochroleuca subsp. exilis A. C. Sanders 1994-5-29 14567 Riverside San Bernardino Mountains: lower Millard Canyon, at first stream crossing on FS Road 2S05. 850 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
  RSA0016276  Gilia ochroleuca subsp. exilis I. W. Clokey, E. G. Anderson 1935-4-16 6831 Riverside East of Hemet. 600 Comment
  RSA0017100  Gilia ochroleuca subsp. exilis H. M. Hall 1897-05 304 Riverside Hemet Valley. 1372 Comment
  RSA0017290  Gilia ochroleuca subsp. exilis K. Watkins, E. McClintock 1937-4-9 s.n. Riverside 1 mile west of San Jacinto Comment
  RSA774302  Gilia scopulorum Duncan S. Bell 2011-4-7 2181 A Riverside The east side of the Arica mountains; approximately 1.2 air miles north of Priests Well. or approximately 4.5 air miles southwest of the ghost town of Rice. 308 Comment
  POM8527  Gilia stellata Mary F. Spencer 1920-4-5 64 Riverside Palm Springs, Colorado Desert. 122 Comment
  UC667389  Gilia stellata Annie M. Alexander and Louise Kellogg 1941-5-14 2168 a Riverside 5.5 mi s Cottonwood Spring (Eagle Mountains); Colorado Desert, , s of Cottonwood Spring 502 Comment
  SD146033  Glebionis coronaria A. C. Sanders 1998-4-16 21753 Riverside Field on the west side of Iowa Ave., just north of the Santa Fe Railroad tracks. 287 Comment
  CLARK-A1045-874  Gnaphalium bicolor George K. Helmkamp 1977-3-5 Riverside Santa Ana Mountains along Riverside-San Diego County Line at start of Interstate Highway 215; ; southern oak woodland; Temecula 7.5'Q Comment
  UCR91659  Gnaphalium californicum D. L. Banks, Steve Boyd 1995-4-5 0158 Riverside Agua Tibia Mountains, Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn, east of the Dripping Springs Alcove, east of the Dripping Springs Trail, in the N flowing drainage that empties into Arroyo Seco. 549 Comment
  CAS-BOT-BC307400  Gnaphalium palustre Geo. B. Grant No date on label. s.n. Riverside Strawberry Valley, San Jacinto Mts. Comment
  JOTR35472  Grayia spinosa Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-26 75 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W. of Juniper Flats 1389 Comment
  UC56733  Guillenia lasiophylla H. M. Hall 1902-4-7 2759 Riverside vicinity Winchester 457 Comment
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Mar 20 2011
  POM359188  Gutierrezia californica Anstruther Davidson 1893-4-12 s.n. Riverside Palm Springs. Comment
  RSA289828  Gutierrezia californica B. A. Prigge 1980-8-25 4018 Riverside Colorado Desert, Coachella Valley, 1 mile E of Palm Springs Station 341 Comment
  RSA696838  Gutierrezia lucida J. R. Bruff 1927-11-26 35 Riverside Cottonwood Springs. Comment
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Jul 7 2012
  HSC85385  Harpagonella palmeri Steve Boyd 1986-4-10 1644 Riverside Temscal Canyon: Along DePalma Rd. between Indian Truck Trail and Horsethief Canyon. 1.0 mi. E of Indian Truck Trail Comment
  RSA736170  Hedypnois cretica Scott D. White 2008-4-28 11913 Riverside San Gorgonio Pass: Banning, S of I-10 freeway and just N of San Jacinto Mountains toeslope. E of Sunset Ave. 671 Comment
  UC1929308  Hedypnois rhagadioloides Scott D. White 2008-4-28 11913 Riverside San Gorgonio Pass; Banning, S of I-10 freeway and just N of San Jacinto Mountains toeslope. E of Sunset Ave; SCE powerline access road between Montgomery Creek and trailer park.. Comment
  POM14291  Helenium bigelovii E. C. Jaeger 1922-8-25 1008 Riverside San Jacinto Mtns: Skunk-Cabbage Meadow. 2226 Comment
  UC62874  Helianthus californicus H. M. Hall 1901-7-1 2612 Riverside vicinity of Strawberry Valley (streams); San Jacinto Mountains 1584 Comment
  UCR58164  Helianthus californicus George K. Helmkamp 1989-10-7 s.n. Riverside Peninsular Range; San Jacinto Mtns, roadside beside Hwy 243 near Lawlor Lodge, c. 2 mi north of Pine Cove 1600 Comment
  SEINET269528  Helianthus gracilentus Scott D. White, Steve Myers; S. Ogg M. Wilcox 1995-6-16 3330 Riverside Lake Elsinore Pumped Storage hydroelectric project. Steep northeast facing mountain slope west of Lake Elsinore southe 396 Comment
  UCR155314  Helianthus gracilentus A. C. Sanders, Mike Misenhelter 2005-3-23 29262 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR231737  Helianthus gracilentus John F. Green 2008-4-23 08- 06 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  SD227749  Helianthus niveus Scott D. White, Sandy Leatherman 1998-4-15 6285 Riverside Coachella Valley. La Quinta / Palm Desert area: Near Miles Ave. crossing over Whitewater River Channel. Degraded dunes N of Miles Ave. and W of Washington St. 39 Comment
  RSA105846  Helianthus niveus subsp. canescens Richard Mallory 1955-4-6 477 Riverside Borrego Desert State Park. Borrego Valley 8 miles east of Christmas Circle. 152 Comment
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Feb 19 2013
  UCR18115  Helianthus niveus subsp. canescens A. C. Sanders 1978-4-2 00137 Riverside Sonoran (Colorado) Desert, Coachella Valley, between Miles Ave. and Hwy 111, just east of Washington St 30 Comment
  UCR203963  Heliotropium curassavicum Michael Wall 2008-7-26 486 -A Riverside Perris-Aguanga Basin, Bautista Creek, east of Hemet off Bautista Canyon Road c. 7 mi east of the junction with Fairview Ave. 758 Comment
  RSA0045156  Heliotropium curassavicum Andrew Haimov, April Sleigh 1992-5-10 88 Riverside West side of Davis Road, 1/2 mile south of Allessandro Road, San Jacinto Wildlife Area. Across road from agricultural field. Comment
  SEINET10455759  Heliotropium curassavicum var. oculatum Billy Joe Cox 1975-6-26 Cox 4187 Riverside 1-3 km W, (ca 32 mi S of Blythe). Riverside-Imperial Counties. 70 Comment
  RSA487433  Hemizonia fasciculata Steve Myers 1988-5-17 s.n. Riverside Santa Rosa Plateau area W of Murrieta, Via Majorca .25 mi. N of the intersection with Avenida Arboles. Comment
  RSA525279  Hemizonia fasciculata Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4593 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  UCR22100  Hemizonia fasciculata Steve Boyd 1980-5-21 296 Riverside Gavilan Hills, Harford Springs County Park, on the NW corner of the Gavilan plateau. Comment
  POM12000  Hemizonia kelloggii Mary F. Spencer 1921-5-29 1192 Riverside San Jacinto 549 Comment
  RSA713780  Hemizonia mohavensis A. C. Sanders, S. D. Boyd, J. S. Ross, Mitch Provance 1998-10-25 22276 Riverside Herkey Creek, Garner Valley along Hwy 74 near Lake Hemet Campground, north side of road. 1329 Comment
  UCR193974  Hemizonia mohavensis A. C. Sanders 2008-7-25 35903 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, NE of Bonita Vista Rd. at foot of hills 1539 Comment
  UCR113558  Hemizonia paniculata Mitch Provance 2000-9-1 2232 B Riverside Jurupa Mtns., Pyrite Canyon, c. 0.5 miles SW of peak 1538 305 Comment
  UCR139192  Hemizonia paniculata Virginia Moran 2003-5-16 s.n. Riverside Johnson Ranch (managed by Center for Natural Lands Management), vicinity of Skunk Hollow and Santa Gertrudis Creek, 'knoll 1' on northern edge of first baseline transects established by CNLM 422 Comment
  UCR187504  Hemizonia paniculata Theresa Johnson 2006-9-27 286 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, Tenaja Road west of Squaw Mountain, c. 1 mile NW of Tenaja Guard Station 598 Comment
  UCR110917  Hemizonia pungens subsp. laevis A. C. Sanders, K. C. Rose 1999-6-18 22816 Riverside Domenigoni Valley, upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, south of Winchester 433 Comment
  UCR126977  Hemizonia pungens subsp. laevis A. C. Sanders, T. B. Salvato 2003-5-9 26584 Riverside San Jacinto Valley, west of Hemet, west edge of Warren Road just north of Hwy 74 (Florida Ave.) 457 Comment
  UCR189569  Hemizonia pungens subsp. laevis Lee A. Ripma 2007-10-11 020 Riverside Peninsular Range; San Jacinto foothills, 0.1 mi north of main paved road and c. 0.2 mi west of Potrero Creek 655 Comment
  UCR202007  Hemizonia pungens subsp. laevis Mike Misenhelter 2005-7-12 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, c. 3 miles E of Sun City, c. 2 mi. SW of Winchester, Hemet U. School Distr. proposed elementary school site, 14 acres on south side of Salt Creek and NE of the intersection of Leon and Patton Rds. 444 Comment
  UCR174159  Herniaria hirsuta subsp. cinerea A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32598 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
  UCR231753  Herniaria hirsuta subsp. cinerea John F. Green 2008-4-21 02- 07 Riverside Peninsular Range, south edge of Perris, drainage way between housing tracts, west of Goetz Rd. and east of Alabaster Loop 450 Comment
  RSA377052  Hesperocallis undulata Geo Cantwell 1935-4-8 s.n. Riverside McCoy Springs, McCoy Mnts. [NW of Blythe] Comment
  RSA68718  Hesperocallis undulata Frank W. Peirson 1927-4-13 7178 Riverside Canyon near east end of Santa Rosa Mountains, 8 miles from boulevard; desert near Mecca. Comment
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Nov 13 2011
  UCR158270  Hesperocnide tenella A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-4-14 29492 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  UCR22052  Hesperocnide tenella Steve Boyd 1980-4-27 151 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  UCR24463  Hesperocnide tenella John C. Roos 1952-4-13 5537 Riverside Riverside, north base of the Box Springs Mtns. 396 Comment
  JEPS16283  Heterocodon rariflorum H. M. Hall Jun 1901 2205 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1615 Comment
  UCR201702  Heterocodon rariflorum Scott D. White, Justin M. Wood 2008-6-17 12154 Riverside San Jacinto Mountains, south of Hwy 79 near Keen Camp Summit 1463 Comment
  RSA769628  Heteromeles arbutifolia E. W. Lathrop 1973-6-28 7432 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland Nat'l. Forest. 1220 Comment
  UCR176668  Heterotheca grandiflora G. S. Nuessly 1980-11-11 s.n. Riverside Riverside: U.C. Riverside campus, near Health Center 351 Comment
  UCR193883  Heterotheca sessiliflora A. C. Sanders 2008-7-25 35894 Riverside Peninsular Range; San Jacinto Mtns., May Valley, Bonita Vista Rd. near May Valley Rd. 1547 Comment
  SBBG63118  Heterotheca sessiliflora subsp. echioides R. Hoffmann 1929-9-7 Riverside San Jacinto Mtns 1645 Comment
  UCSB37816  Heterotheca sessiliflora subsp. echioides 1965-8-18 Riverside Thomas Valley, San Jacinto Mtns. Comment
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Feb 27 2007
  RSA0075667  Heterotheca subaxillaris J. C. Roos 1965-9-26 s.n. Riverside 2 mi S of Jackson St., Indio. Comment
  CAS-BOT-BC312304  Heterotheca villosa var. nana John Roos; Lucille Roos 1950-10-21 5011 Riverside Wonderland of Rocks, Little San Bernardinno Mts. 1219 Comment
  UC858011  Heuchera hirsutissima P. A. Munz 1922-7-7 6044 Riverside San Jacinto Peak 3285 Comment
  CAS-BOT-BC47578  Heuchera parishii Carl B. Wolf 1932-8-5 3977 Riverside San Jacinto Mts. Summit of San Jacinto Peak 3293 Comment
  RSA0011484  Heuchera rubescens Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 4990 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  UCR114115  Hibiscus denudatus B. G. Pitzer, J. Ross 1998-3-8 3610 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  UCR244888  Hibiscus denudatus A. C. Sanders, T. B. Salvato 2012-10-12 40405 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass, 7.6 km (c. 4.5 mi.) above the road to Chuckwalla Spring on Graham Pass Rd. 387 Comment
  POM48499  Hieracium albiflorum Mary F. Spencer 1919-7-5 1343 Riverside Open woods, San Jacinto Mts. 1646 Comment
  RSA0124124  Hilaria rigida Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8737 Riverside Santa Rosa Mountains; collecting on the Martinez Slide to the north of Toro Canyon, approximately 5.25 air miles east northeast of the summit of Martinez Mountain. 115 Comment
  CLARK-A1528-476  Hoffmannseggia densiflora Charlotte Stocks 1964-9-11 Riverside Indio Comment
  CDA27094  Hoffmannseggia glauca Earl Asker 1969-7-2 Riverside Coachella Valley. 0 Comment
  OBI26133  Hoffmannseggia microphylla David J. Keil 1976-12-12 11913 Riverside Ca. 5 mi E of Indio along I-10 Comment
  RSA674575  Hoffmannseggia microphylla Scott D. White, Brian Leatherman 2000-10-5 8135 Riverside Near Berdoo canyon: Northeast of Dillon Rd., just S of mouth of Berdoo Canyon. On the S-facing bajada of the Little San Bernardino Mts. 183 Comment
  SEINET5500004  Hoffmannseggia microphylla A. C. Sanders 1995-5-23 17113 Riverside Colorado Desert, Coachella Valley: alluvial fans below the Santa Rosa Mtns., N r Toro Cyn., W of Monroe St., So o Ave. 62 15 Comment
  UCD105856  Hoffmannseggia microphylla Geoffrey Levin 1975-4-5 465 Riverside 1 mile west of Berdoo Canyon Road on Dillon Road. Foothills of Little San Bernardino Mountains. Salton Sink Drainage area. 60 Comment
  UCSB3081  Hoffmannseggia microphylla Beeks, Richard 1952-4-4 Riverside Seven miles north of Mecca in Box Canyon Comment
  SEINET10918608  Hoffmannseggia microphylla A. K. Evans 1976-4-13 Evans 5155 Riverside Desert canyons of Santa Rosa mountains. Comment
  UCSB17335  Hofmeisteria pluriseta Dennis E. Breedlove 1962-3-11 1887 Riverside collected 3.0 mi SW, in the Cat Creek Wash Palm Desert - Cat Creek Wash, and Palm Desert 426 Comment
  UCR14038  Holocarpha virgata subsp. elongata Frank C. Vasek 1973-1 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, on border of Riverside and San Diego counties [De Luz region, prob. on Tenaja Rd.] 500 Comment
  CAS-BOT-BC150023  Holodiscus discolor var. discolor H. M. Hall 1901-7-1 2465 Riverside [Tauquitz] Tahquitz Valley 2560 Comment
  RSA564766  Hordeum intercedens A. C. Sanders 1993-4-5 13697 Riverside Western edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74)., (Near 33 deg 46'N, 117 deg 03'W) 460 Comment
  RSA608533  Hordeum intercedens D. E. Bramlet 1996-4-18 2456 Riverside San Jacinto Wildlife Area, approximately 762 m. northeast of Lakeview. The site is found 122 m. east of Davis road and 40 m. north of Marvin Road., ~37 44 856mN X 4 88 940mE 434 Comment
  UCR91888  Hordeum marinum subsp. gussoneanum A. C. Sanders, K. D. Jones, D. Malueg 1996-4-20 18042 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  UCR265605  Hordeum murinum Jordan Zylstra 2014-3-18 14010 Riverside San Jacinto Mountains, Apple Canyon, west of Apple Canyon Road 1453 Comment
  RSA571293  Hordeum murinum subsp. leporinum Steve Boyd, Darin Banks 1994-4-5 8273 Riverside San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potreto, along the Lucas Canyon Trail. 732 Comment
  SD132485  Hordeum murinum subsp. leporinum Oscar F. Clarke 1973-3-21 Riverside Weed at the O.F. Clarke residence, 1012 Spruce Street, Riverside Comment
  SBBG3448  Hosackia oblongifolia var. oblongifolia M. Lewis 1947-8-26 5 Riverside Dark Cyn 1981 Comment
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Jan 16 2012
  POM266314  Hulsea heterochroma J. C. Roos 1942-6-20 1274 Riverside Roadside N of Idyllwild. Comment
  RSA608478  Hydrocotyle ranunculoides L. C. Wheeler 1961-6-24 7907 Riverside San Jacinto Mountains: Fulmor Lake. Comment
  POM361079  Hymenoclea salsola P. J. Remple 1942-3-1 s.n. Riverside Near Palm Springs. Comment
  POM41959  Hymenoclea salsola Marcus E. Jones 1924-2-7 s.n. Riverside Salton Sea near Oasis. Comment
  UCR3467  Hymenoclea salsola Sally Bell 1964-3-24 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, along Washington [Street], c. 3.5 mi. north of the 'Indio Freeway' (= Hwy I-10) 76 Comment
  CHSC99604  Hymenoclea salsola var. salsola LeRoy Gross 2005-3-3 1596 Riverside Colorado Desert; Northeastern Colorado Desert region: Palen Mountains, south side. Near end of old prospect road. Near 33.71244N, 115.11171W to 33.72053N, 115.11051W. General collecting along ridge with patino and a rejuvenate steep sided rocky, sandy canyon just to the east. All on a sparse vegetative pebbly plain bajada. 225 Comment
  CAS-BOT-BC312860  Hymenoxys odorata W. L. Jepson 1912-10-22 5260 Riverside Palo Verde Valley 137 Comment
  RSA496137  Hypochaeris glabra Steve Boyd 1989-3-19 3024 Riverside Vail Lake area,1 mile W of Lake 610 Comment
  RSA556454  Hypochaeris glabra Julie Greene 1993-4-30 1274 Riverside S of visitor center road and N of the old San Jacinto River drainage. 433 Comment
  UCR156478  Hypochaeris glabra Jason L. Hlebakos 2005-5-3 620 Riverside Santa Ana Mtns, Open slope east and downslope from Elsinore Peak 1049 Comment
  CAS-BOT-BC219730  Hyptis emoryi Nancy Ryan Zabriskie 1970-4-27 284 Riverside Outside inner gate of Andreas Canyon Club, near Palm Springs 7 Comment
  POM6882  Hyptis emoryi P. A. Munz 1919-3-25 2304 Riverside Palm Springs. Comment
  RSA83467  Hyptis emoryi F. W. Peirson 1919-4-13 1078 Riverside first canyon east of Palm Canyon, Palm Springs region. Comment
  SFV6300  Hyptis emoryi T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 54 Riverside Little San Bernardino Mountains Little San Bernardino Mountains. Berdoo Canyon. Sandy wash. Comment
  UCR196355  Hyptis emoryi Naomi Fraga, Lisa Rojas 2005-2-10 1382 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  UCR52026  Hyptis emoryi Steve Boyd, S. Meury, , Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2102 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  SEINET10836949  Hyptis emoryi David B. Dunn 1948-1-25 Dunn 3633 Riverside Found near quad 6 on the berkeley campus. Pushawalla canyon, indio hills of the colorado desert; w of indio Comment
  RSA33642  Iris hartwegii subsp. australis Robert L. Rutherford 1945-6-17 1672 Riverside Big Oaks Canyon, Banning. 1220 Comment
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Oct 19 2010
  CAS-BOT-BC311614  Isocoma acradenia var. eremophila S. B. Parish 1912-10-8 8353 Riverside Salton Basin. Indio -6 Comment
  JEPS19096  Isocoma acradenia var. eremophila S. B. Parish 1921-10-12 8350 Riverside Mecca Salton Basin -57 Comment
  UCR281878  Isocoma menziesii Mitch Provance 2012-11-9 1112- 18 Riverside San Bernardino Valley, Santa Ana River Bottom, vicinity of Tequesquite Creek, area W of the N end of Rudidoux Ave. and Old Ranch Rd. 229 Comment
  UC857719  Isomeris arborea N. Dunn and A. M. Martin Mar 26 1932-Mar 27 1932 Riverside Oasis Comment
  UC857723  Isomeris arborea Ivan Johnston 1917-4-4 Riverside Palm Canyon; Colorado Desert 457 Comment
  UCR234279  Iva axillaris A. C. Sanders, T. B. Salvato 2012-4-27 40096 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy/I-15 and Indian Truck Trail, c. 500 m SE of El Hermano Rd. 325 Comment
  POM361291  Iva axillaris subsp. robustior N. C. Cooper 1944-7-15 1594 Riverside Palms to Pines Highway, San Jacinto Mountains. 1372 Comment
  JOTR30786  Ivesia saxosa La Doux, Tasha, Erin Babich 2007-4-18 1516 Riverside Joshua Tree National Park. About .5 mile southeast of Lost Horse Ranger Station, at the west edge of Lost Horse Valley Comment
  RSA228836  Jepsonia parryi Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 608 Riverside Cleveland National Forest, ca. 8 mi. south of Lake Elsinore; off Forest Route 7S04 487 Comment
  CAS-BOT-BC383067  Juglans hindsii R. E. Riefner, Jr. 2007-6-16 07 -261 Riverside City of Hemet, S side of Florida Ave., ca. 0.1 mi E of Columbia St. 523 Comment
  JOTR35138  Juncus acutus subsp. leopoldii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3249 Riverside Joshua Tree National Park. West of Queen Mountain, Wonderland of Rocks; Active, bouldery wash with sandy bottom and large granite outcrops (Stop 3) 1294 Comment
  RSA304348  Juncus bryoides Barbara Ertter, Jeffrey L. Strachan 1979-6-26 2972 Riverside Kenworthy Forest Station on Route/ Highway 74 in Garner Valley, San Jacinto Mountains. Comment
  SBBG89273  Juncus bufonius J. Adams 1966-4-28 738 A Riverside dirt rd from Murrieta to De Luz; Santa Rosa Plateau 762 Comment
  UC1601698  Juncus bufonius H. M. Hall Jul 1901 Riverside w fork of Snow Creek San Jacinto Mountains, Snow Creek 1676 Comment
  RSA192132  Juncus macrophyllus H. A. Zuill 1966-7-17 293 Riverside About 9 miles SW of Murrieta on the De Luz Road. Comment
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May 26 2008
  RSA520947  Juncus macrophyllus Steve Boyd, David E. Bramlet 1988-10-8 2872 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Comment
  UCR268296  Juncus macrophyllus Jim Andre 2012-6-15 30555 Riverside San Jacinto Mountains, west slopes of range along Poppet Flat Road, Poppet Creek canyon, 3.2 miles west of Hwy 243 1022 Comment
  UCR98897  Juncus macrophyllus Scott D. White 1996-8-1 4440 Riverside San Jacinto Mtns., Idyllwild area: north of Strawberry Valley, between Bear Trap Canyon and Lily Creek 1616 Comment
  RSA180267  Juncus mexicanus E. W. Lathrop 1960-6-9 4984 Riverside 14 miles west of Murrieta. Comment
  UCR35287  Juncus mexicanus L. B. Ziegler 1972-7-12 490 Riverside San Jacinto Mtns., Hemet (Garner) Valley. 1372 Comment
  POM158189  Juncus rugulosus Phillip A. Munz, I. M. Johnston 1928-9-6 11274 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  SBBG89290  Juncus textilis J. Adams 1966-4-25 738 B Riverside rd from Murrieta to De Luz; Santa Rosa Plateau 762 Comment
  CHSC23326  Juncus tiehmii Robert F. Thorne; J. P. Simon, C. W. Tilforth 1969-6-24 38115 Riverside San Bernardino National Forest, San Jacinto Mts.: Above James Reserve in Hall Canyon. 1676 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
  JOTR30977  Juniperus californica La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1948 Riverside Joshua Tree National Park. (Stop 2) Hexie Mountains, east end of Blue Cut Gorge, toe slope with bouldery wash Comment
  RSA736555  Juniperus californica Scott D. White, Angelia Carey 2004-7-2 10578 Riverside Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UC1280801  Juniperus californica H. E. McMinn 1937-3-5 4489 Riverside approaching Cottonwood Mountains from Pinto Basin Comment
  JEPS9191  Justicia californica W. L. Jepson 1927-4-12 11674 Riverside Painted Canyon, Mecca Hills Mecca Hills, Painted Canyon 76 Comment
  RSA402295  Justicia californica H. M. Hall 1902-04 2767 Riverside Coyote Canyon 183 Comment
  RSA402305  Justicia californica Christopher Davidson, Josephine Jones 1980-4-4 9952 Riverside Orocopia Mts. West end of the mountains in a small canyon and wash almost due south of Oro Peak. 518 Comment
  RSA73961  Justicia californica Alice Yates, Jas. E. Wilcox 1952-4-5 29 Riverside Between Box Canyon and Smoke Tree National Monument. 152 Comment
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May 20 2012
  UC1051454  Justicia californica Herbert L. Mason 1952-4-7 14212 Riverside Palm Canyon Comment
  UCD121633  Justicia californica Anne Harrison 1962-4-17 29 Riverside Santa Rosa Mountains, State Highway 74. Mountainside overlooking Deep Canyon to the east and Palm Desert to the north. 457 Comment
  RSA0027476  Kallstroemia californica Deidre Conocchioli, April Garbat 2013-9-5 40 Riverside Sonoran Basin and Range- Chuckwalla Valley. From Blythe, head west on I-10 for 23 miles. Exit at Ford Dry Lake, turn left to cross over interstate and turn right on Chuckwalla Valley Rd., Site is 1.5 miles down on south side of rd, near intersection of Graham Pass Rd. 120 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
  RSA782271  Kallstroemia californica R. W. Spjut 2007-10-12 16152 Riverside Sonoran Desert. BLM: Corn Spring Road, frontage road to I-10, 23 miles W of Blythe 150 Comment
  CAS-BOT-BC235493  Keckiella antirrhinoides Wayne Law; Jun Hu 2000-5-16 13 Riverside Peninsular Ranges; Santa Ana Mtns.: Eastern edge of Cleveland National Forest, above Temescal Valley in Indian Canyon, 11.8 mi S of Corona 396 Comment
  CDA28958  Keckiella antirrhinoides Mike Lahti 2009-4-7 PDR# 1501611 Riverside East Hemet. 0 Comment
  RSA67761  Keckiella antirrhinoides G. R. Campbell 1951-4-22 16072 Riverside Hwy 74, 4 mi. above Cranston Ranger Stn. 1006 Comment
  SBBG54461  Keckiella antirrhinoides subsp. antirrhinoides L. R. Abrams 1941-4-12 13882 Riverside Palomar School, near Perris Comment
  RSA180390  Koeleria macrantha E. W. Lathrop 1965-5-18 5761 Riverside 8 miles W of Murrieta; hills around 300 ft high 609 Comment
  UCR121691  Koeleria macrantha D. E. Bramlet 1989-5-19 1872 Riverside Perris-Aguanga Basin region, South Domengoni Hills, 6000 ft. south of Newport Rd. and 5000 ft. east of MWD canal 518 Comment
  UCR242670  Koeleria macrantha A. C. Sanders 2013-7-6 40845 Riverside Peninsular Range; San Jacinto Mountains, SE of Idyllwild on South Ridge along FS Rd. 5S11 1793 Comment
  UCR35301  Koeleria macrantha L. B. Ziegler 1968-5-21 294 Riverside San Jacinto Mtns., Hemet Valley (=Garner Valley) 1418 Comment
  SBBG25153  Krameria bicolor Leota Davidson 1965-5-14 112 Riverside Joshua Tree Nat Monument Comment
  RSA0023271  Krameria bicolor Robert F. Thorne 1966-10-15 41782 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  RSA336190  Krameria grayi Robert F. Thorne, Walter Wisura, A. Shmida, Thomas W. Whitaker 1978-4-23 52011 Riverside Chino Canyon. Comment
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Apr 24 2011
  RSA408606  Krameria grayi Anstruther Davidson s.n. Riverside Palm Springs. Comment
  UCR272254  Krameria grayi Duncan S. Bell, Amanda Turek 2009-3-29 154 Riverside Mojave Desert, large western drainage of the Arica Mountains, within the Palen/McCoy wildernes area 434 Comment
  RSA0056399  Krameria grayi James R. Shevock 1971-5-8 1034 Riverside Near ranger Sta., Joshua Tree Nat'l. Mon. 1036 Comment
  UC76422  Laennecia coulteri Miss M. Alice King 1892-12-1 Riverside JPNI describes Menifee: (w Riverside Co, valley n of Paloma Valley) Menifee Comment
  CLARK-A1528-4705  Lamarckia aurea John C. Roos 1947-3-21 3373 Riverside Reche Canyon Comment
  HSC10263  Lamarckia aurea C. L. Hitchcock, C. V. Muhlick 1964-3-17 23114 Riverside 10 mi. N of Pala, along road to Elsinore. Comment
  SEINET3221824 Image available Lamarckia aurea Howard Gentry, Bruce Gentry 1973-4-16 23192 Riverside Gentry Ranch, 3.5 mi NE of Murrieta. 396 Comment
  UCR232032  Lamarckia aurea John F. Green 2008-4-15 0408- 18 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
  RSA0121060  Langloisia setosissima subsp. setosissima Duncan S. Bell, Thomas Stoughton 2016-3-16 8946 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central/southeastern section of range, approximately 2.5 air miles north of Gucci Spring. 511 Comment
  UCD170914  Laportea ovalifolia A. C. Sanders; S. Morgan 1995-11-30 17926 Riverside Riverside: weed in the UCR Botanic Garden. 365 Comment
  SD229308  Larrea tridentata Dick Schwenkmeyer, Collection made by Tony Harper 2013-5-8 883 Riverside Little Paradise Camp in Palm Canyon, approx. 8 miles S. of Cathedral City 869 Comment
  UCR131823  Larrea tridentata Jennie Phui 1998-5-30 024 Riverside San Bernardino Mtns./San Gorgonio Pass, Morongo Indian Reservation, eastern fork of Lion Canyon, 3 miles up Lion Canyon road north of I-10 Fwy 600 Comment
  UCSB9623  Larrea tridentata Van Leeuwen, Henry 1957-4-12 Riverside Whitewater Canyon, 1 mi from US 101 Comment
  CAS-BOT-BC353286  Lasthenia coronaria H. M. Hall 1903-4-1 3982 Riverside Vicinity of Riverside 365 Comment
  CAS-BOT-BC354215  Lasthenia coronaria Scott D. White 1996-4-14 3899 Riverside E of Hemet: San Jacinto River Wash near Valle Vista, N of Hwy. 74, ca. 1.7 mi W of USFS Cranston Fire Station. 548 Comment
  RSA79174  Lasthenia coronaria P. A. Munz, P. Everett 1952-5-2 16241 Riverside Dry Morongo Wash, n.w. end of Coachella Valley. 457 Comment
  SFV7334  Lasthenia coronaria T. Gordon, K. Kimbrough 1975-3-16 850A Riverside 10 miles south of Corona. Open fields adjacent to Highway 71. 365 Comment
  UC30482  Lasthenia coronaria Geo. R. Hall 1901-3-17 1677 Riverside Riverside Comment
  UCD133644  Lasthenia coronaria Steve Boyd; Tim Ross, Laurel Arnseth 1989-4-1 3106 Riverside Vail Lake area. At north base of rounded knob 1.25 miles WSW of dam. 609 Comment
  POM14078  Lasthenia glabrata subsp. coulteri P. A. Munz, D. Keck 1922-4-15 4990 Riverside San Jacinto Lake, near Moreno Comment
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Mar 20 2011
  UCR15367  Lasthenia glabrata subsp. coulteri George K. Helmkamp 1977-3-5 s.n. Riverside Perris-Aguanga Basin, west side of the San Jacinto River, 0.5 mi south of the Ramona Expressway 435 Comment
  JEPS29298  Lasthenia gracilis Rimo Bacigalupi and L. Heckard 1962-3-25 8393 Riverside low rolling hills just e Bedford Canyon (about 5 mi se of Corona); eastern base Santa Ana Mountains 304 Comment
  POM8300  Lasthenia gracilis P. A. Munz, R. D. Harwood 1920-3-20 3368 Riverside 5 miles S of Corona. 305 Comment
  SDSU14009  Lasthenia gracilis Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2101 Riverside Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 640 Comment
  UCR167083  Lasthenia gracilis Scott D. White 2005-3-29 10834 Riverside San Gorgonio Pass, Cabazon: alluvial fan and benches west of San Gorgonio river and south of I-10 fwy. west of existing gravel quarry, likely to be proposed for quarry expansion 598 Comment
  UCR260561  Lasthenia gracilis T. B. Salvato 2015-4-2 8104 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully 537 Comment
  RSA406640  Lathyrus vestitus subsp. alefeldii N. C. Cooper 1944-4-22 1130 Riverside Banning 701 Comment
  RSA736298  Lathyrus vestitus subsp. alefeldii Scott D. White, Justin M. Wood, Juan Hernandez 2008-3-12 11762 Riverside Site of proposed Liberty Quarry. Mountains between Temecula Valley and Rainbow Valley just W of Interstate 15. N of the San Diego County Line. 335 Comment
  UC15352  Lathyrus vestitus var. alefeldii unknown 1889-1 Riverside near Riverside Comment
  CAS-BOT-BC379662  Layia platyglossa A. C. Sanders; T. B. Salvato 2011-3-29 38874 Riverside Peninsular Range; Perris-Aguanga Basin Region: between Sun City Perris, along powerline coordinator 0.45 east of Goetz Ra. and 0.07 lm east Wheat St. 449 Comment
  SBBG52762  Layia platyglossa N. C. Cooper 1944-4-22 1160 Riverside Banning 731 Comment
  UCR154822  Layia platyglossa A. C. Sanders, Kelly Volansky 2005-3-17 29239 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
  UCR250572  Layia platyglossa A. C. Sanders 2014-4-18 41035 Riverside Peninsular Range, Temescal Canyon, along De Palma Rd. between Indian Truck Trail and Horsethief Canyon roads, SE of Lee (Corona) Lake 375 Comment
  UCR25780  Layia platyglossa John C. Roos 1952-4-13 5525 Riverside Box Springs Mtns, above Canyon Crest Heights 488 Comment
  UCR847  Layia platyglossa subsp. campestris Leland R. Dykes 1962-4-6 26 Riverside Lake Matthews area; off La Sierra Ave., 5.8 mi from Riverside Freeway Comment
  RSA775228  Layia ziegleri Duncan S. Bell, Valentin Arvizu 2010-5-24 1098 Riverside San Bernardino National Forest: Garner Valley, approximately 2.8 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1382 Comment
  UCR85526  Lepidium chalepense Scott D. White 1993-3-12 1147 Riverside Near Winchester, along Leon Road 445 Comment
  UCR18612  Lepidium dictyotum var. acutidens O. F. Clarke 1973-3-10 s.n. Riverside Lakeview Area, 2.5 mi north of Ramona Expressway on Davis Rd. 434 Comment
  JOTR34194  Lepidium fremontii var. fremontii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2987 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  RSA721895  Lepidium fremontii var. fremontii J. Mark Porter, Orlando Mistretta 2003-6-5 13608 Riverside Chocolate Mountains. Chocolate Mountain Bombing and Gunnery Range. Unnamed canyon, S of Salt Creek, accessed via Siphon 21 of the Coachella Canal; fork running east, above the pour-off. 439 Comment
  POM183960  Lepidium lasiocarpum P. A. Munz 1932-3-15 12006 Riverside Magnesia Spring Canyon, Coachella Valley. 91 Comment
  RSA4969  Lepidium lasiocarpum C. B. Wolf 1932-4-27 3029 Riverside Colorado desert, 3/4 mile west of Utopia on Mecca-Blythe road 152 Comment
  RSA554366  Lepidium lasiocarpum Theo Glenn 1991-4-9 91 -2 Riverside Big wash in Eagle Mountains. 786 Comment
  CAS-BOT-BC89668  Lepidium lasiocarpum subsp. lasiocarpum E. E. Schellenger 1920-5-1 s.n. Riverside Colorado Desert. East of Mecca Comment
  CAS-BOT-BC89669  Lepidium lasiocarpum subsp. lasiocarpum Alice Eastwood 1913-4-30 3052 Riverside Palm Springs. Comment
  POM118632  Lepidium lasiocarpum var. wrightii Marcus E. Jones 1924-2-27 S.N. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA522317  Lepidium latifolium Steve Boyd 1989-7-23 3787 Riverside City of Riverside, Santa Ana River, just downstream of old city dump at W extension of Rubidoux Avenue. Comment
  UCR266340  Lepidium latipes D. E. Bramlet 1994-4-22 2371 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, 6.7 km SW of Hemet at the Dilworth property, NE of Winchester, north of the railroad tracks and east of California Ave. 457 Comment
  RSA593901  Lepidium latipes var. latipes Steve Boyd, Dave Bramlet 1996-4-19 8606 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  UCR107718  Lepidium nitidum A. C. Sanders 1997-3-1 19741 Riverside Box Springs Mountains, Riverside: S end of the range along Gernert Rd. (dirt road paralleling the mountain front), in valley draining to Box Spring Canyon. 457 Comment
  UCR111562  Lepidium nitidum Mitch Provance 1998-5-4 1711 Riverside Jurupa Mountains, SW 'Rattlesnake Mt.', above the Ormand Quarry, c. 1.5 km west of peak 1739 366 Comment
  UCR180109  Lepidium nitidum Mitch Provance 2003-4-26 9894 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
  UCR250905  Lepidium nitidum A. C. Sanders 2014-4-18 41019 Riverside Peninsular Range, Temescal Canyon, hills along De Palma Rd. between Indian Truck Trail and Horsethief Canyon roads, c. 100 m south of I-15 401 Comment
  UCR102208  Lepidium virginicum var. pubescens A. C. Sanders, P. MacKay, T. Thomas & O. Clarke 1997-5-4 20691 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek [c. 2.5 miles below Twin Pines Rd. on dirt road] 854 Comment
  RSA613648  Lepidium virginicum var. robinsonii D. L. Banks, Victor Steinmann 1997-3-13 1471 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
  RSA177021  Lepidospartum squamatum C. B. Wolf 1932-10-11 4269 Riverside Sandy bank at mouth of Whitewater Wash. 305 Comment
  UC1303125  Lepidospartum squamatum Carl B. Wolf 1932-10-14 2452 Riverside 1/2 mi above bridge on the Banning to Indio road; Whitewater wash. 365 Comment
  CAS-BOT-BC274377  Leptochloa panicea subsp. brachiata Malcom A. Nobs; S. Galen Smith 1948-9-3 489 Riverside 2 miles north of Indio Comment
  UC1719502  Leptodactylon californicum D. Atwood 1993-3-26 17655 Riverside Summit of Santa Ana Mountains, 4.8 mi S of Lake Elsinore, along Hwy 74 812 Comment
  JOTR16798  Leptodactylon pungens Wanrow, E. 1968-5-20 s.n. Riverside Joshua Tree National Park. EUREKA PEAK 1676 Comment
  CAS-BOT-BC227029  Leptosiphon floribundus subsp. floribundus Elizabeth McClintock 1965-6-25 s.n. Riverside Santa Rosa Mountain, a short distance below summit Comment
  RSA516419  Leptosiphon floribundus subsp. glaber W. Wisura, Tom Hayduk, Bart O'Brien 1990-5-2 s.n. Riverside along For. Rd. 3S04 btw. Ortega Hwy and Santiago Peak, Santa Ana Mts. Comment
  POM46975  Leptosiphon lemmonii Mary F. Spencer 1919-6-21 1208 Riverside In open woods. 1616 Comment
  POM12815  Leptosiphon liniflorus P. A. Munz 1922-6-23 5781 Riverside Hemet Valley, San Jacinto Mountains, [on Garner Ranch - 5784]. 1372 Comment
  SD126107  Leptosiphon liniflorus Steve Boyd 1986-5-7 1850 Riverside Temescal Canyon; terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. Comment
  RSA586327  Leptosiphon parviflorus D. L. Banks, S. D. Boyd 1995-5-3 0192 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
  SBBG101798  Leptosiphon parviflorus S. Boyd, L. Arnseth, O. Mistretta 1991-5-6 6149 Riverside S side of Elsinore Peak 1036 Comment
  UC279681  Lesquerella tenella Edmund C. Jaeger 1926-2-28 Riverside Canyon Springs Wash near Salton Station (Colorado Desert); , Canyon Springs Wash 30 Comment
  UCR41532  Lesquerella tenella A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6057 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south side of Chuckwalla Mtns, on Bradshaw Road c. 2 miles east of gasline road 642 Comment
  POM253439  Lessingia glandulifera var. glandulifera Thos. Craig, Frances Craig 1939-11 s.n. Riverside Aguanga. Comment
  RSA38277  Lessingia glandulifera var. glandulifera P. A. Munz 1946-10-18 11560 Riverside Round-top hill northwest of Aguanga. 793 Comment
  RSA234047  Lilaea scilloides Robert F. Thorne, E. W. Lathrop 1969-5-12 37932 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California 625 Comment
  UCR1211  Linanthus androsaceus Martha McCarthy 1960-4-24 s.n. Riverside Santa Ana Mtns., 0.25 west of Tenaja Rd., 12.6 miles from junction with Washington Ave., Murrieta Comment
  UC23394  Linanthus aureus E. L. Koethen 1897-4-15 13 Riverside Riverside Comment
  SDSU3176  Linanthus ciliatus Bruhns 1965-5-22 109 Riverside Slope around girls' dormitory of desert Sun School in Idyllwild. Yellow Pine Forest. Comment
  RSA689560  Linanthus dianthiflorus Scott D. White, Michael Honer 2003-4-25 9106 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  UC1595617  Linanthus dianthiflorus Steve Boyd 1991-5-20 6272 Riverside nw of Lake Elsinore (lower Rice Canyon, just inside Cleveland National Forest boundary); Santa Ana Mountains, Cleveland National Forest, Rice Canyon 573 Comment
  JEPS58469  Linanthus liniflorus W. L. Jepson 1901-5-18 1259 Riverside San Jacinto River Upper San Jacinto Valley 487 Comment
  UCR24932  Linanthus liniflorus subsp. pharnaceoides A. C. Sanders 1980-7-18 1685 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley, near the junction of Thomas Mountain Road and Hwy 74, c. 1 mi SE of the head of Hemet Lake 1345 Comment
  CLARK-A1528-711  Linanthus maculatus Charlotte Stocks 1965-5-10 Riverside Whitewater Wash 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
  UCR91218  Lithophragma affine Scott D. White 1996-3-31 3859 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 463 Comment
  POM1582  Lithophragma affine subsp. mixtum Robinson, Crocker 1916-3-29 s.n. Riverside Santa Ana Mountains, canyons near Murietta. Comment
  POM48844  Loeflingia squarrosa Stephen Grout, Grout 1905-05 s.n. Riverside West Riverside. Comment
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Jul 24 2010
  RSA757740  Loeflingia squarrosa LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4307 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
  UCR85382  Loeflingia squarrosa A. C. Sanders, P. J. MacKay, G. K. Helmkamp 1995-5-19 16162 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtn Foothills, Coachella Valley, alluvial fan of Chino Canyon along the Palm Springs tram road, north of the road 14 telephone poles above Hwy 111 (Palm Canyon Dr.) 300 Comment
  RSA25369  Loeseliastrum matthewsii C. L. Hitchcock 1940-3-31 5885 Riverside 0.5 mile below Cottonwood Springs Comment
  UCR103306  Loeseliastrum matthewsii George K. Helmkamp 1998-4-4 3151 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  RSA0050256  Loeseliastrum schottii J. M. Andre 2013-3-27 24835 Riverside along Wilson River Crossing Rd, 0.8 mi. east of Hwy 95, 12.4 mi. south of Vidal Jct 114 Comment
  RSA657241  Loeseliastrum schottii J. Mark Porter 2001-4-2 12340 Riverside Coachella Valley, Desert Hot Springs, NE of Big Morongo Wash, just N of the jtn. Agusta Avenue and Little Morongo Drive. 412 Comment
  UCSB18438  Loeseliastrum schottii Winn, Will 1963-4-8 Riverside U.S. Highway 60-70; 29.6 miles east of Desert Center 243 Comment
  CAS-BOT-BC342109  Logfia arizonica Dave Silverman; Onkar Singh 2010-3-25 7843 Riverside Palo Verde Mesa, 1.4 km E of Black Creek Rd, 4.9 km W of McCoy Wash, and 8.8 km N of I-10 151 Comment
  JEPS40653  Logfia filaginoides L. M. Newlon 1922-4-3 448 Riverside Andreas Canyon Mt. San Jacinto Comment
  RSA343106  Lolium perenne subsp. multiflorum R. F. Thorne, Walter Wisura, E. Lathrop, Sara Meury 1985-5-18 60629 Riverside Santa Rosa Plateau: Cole Canyon, near entrance to Nature Conservancy Reserve. 530 Comment
  UCR138816  Lomatium dasycarpum subsp. dasycarpum D. L. Banks 1997-2-17 1283 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation, along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside/San Diego County line border 482 Comment
  UCR240625  Lomatium dissectum var. multifidum Tracy Tennant, Mitch Provance 1998-6-16 MOR- 410 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  RSA221026  Lomatium lucidum E. W. Lathrop 1966-3-23 6089 Riverside 4 miles west of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. 610 Comment
  UCR63510  Lomatium lucidum Scott D. White 1990-6-16 s.n. Riverside Santa Ana Mtns, Cleveland National Forest, private land just inside the Forest boundary; E wall of Hagador Canyon, near the mouth of the canyon 400 Comment
  VVC6  Lomatium lucidum A. C. Sanders, J. Mac 1997-5-4 20638 Riverside San Jacinto Mountains, N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment
  CLARK-A1528-1447  Lomatium utriculatum John C. Roos 1952-2-29 5365 Riverside Reche Canyon 426 Comment
  CAS-BOT-BC167077  Lonicera subspicata Wayne Law; Jun Hu 2000-5-16 20 Riverside Peninsular Ranges; Santa Ana Mtns.: Eastern edge of Cleveland National Forest, above Temescal Valley in Indian Canyon, 11.8 mi S of Corona 396 Comment
  HSC86979  Lonicera subspicata var. denudata J. Freeman 1988-5-15 Riverside Along Hwy. 79, 0.25 mi. W of Dripping Springs. 610 Comment
  CAS-BOT-BC198546  Lotus Ynez Whilton Winblad 1937-2-15 s.n. Riverside Near Palm Springs. Comment
  HSC66448  Lotus argophyllus B. Gustafson 1977-4-7 5586 Riverside Whitewater Canyon Rd., 2.5 mi. W of Jct. I-10 with State 62. Near start of Angeles Crest Trail. 610 Comment
  POM1865  Lotus argophyllus var. argophyllus H. M. Hall 1902-04 2899 Riverside Vicinity of Sage 762 Comment
  UC15536  Lotus argyraeus H. M. Hall Jun 1901 2140 Riverside Coyote Canyon San Jacinto Mountains, Santa Rosa Mountain 1524 Comment
  UCR52430  Lotus argyraeus var. argyraeus David Charlton 1988-5-28 2117 Riverside Santa Rosa Mtns, S of Hwy 74 dirt road to Toro and Santa Rosa Peaks. Toro Camp area, S facing slopes, E side 2287 Comment
  UC729879  Lotus crassifolius var. crassifolius Carl B. Wolf 1932-8-4 Riverside near Idyllwild; San Jacinto Mts., Point View 1645 Comment
  RSA523533  Lotus hamatus Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3992 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR121677  Lotus hamatus Ian G. Gillespie, Abby Sirulnik 2000-5-7 35 Riverside Temescal Valley, 0.9 mi SE of Indian Truck Trail and 40 m SW of DePalma Road, directly across from Corona Lake 396 Comment
  POM2646  Lotus heermannii P. A. Munz 1918-4-7 2124 Riverside Temescal Canyon Comment
  UCR100292  Lotus heermannii B. G. Pitzer 1997-4-20 3178 Riverside Lakeview Mtns, top of the hill on Dutton Street, just east of Horseshoe Trail, at a point c. 0.4 mi. north of Stagecoach Road. 640 Comment
  UCR174614  Lotus heermannii Jennifer H. Jones, Thi (Teresa) Bui and Holly Summers 2006-5-31 347 Riverside Peninsular Ranges; San Jacinto Mtns., Turnout south of Mt. Edna Road along Calif. Hwy 243 1143 Comment
  UCR106348  Lotus oblongifolius John Wear, N. Moorhatch 1996-9-20 s.n. Riverside San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  RSA498791  Lotus rigidus S. B. Parish 1917-4-4 s.n. Riverside Palm Canyon Comment
  SEINET8721510 Image available Lotus rigidus Lewis S. Rose 1938-1 38336 Riverside 15 mi. sw. of Cathedral City. Palms to Pines Highway, San Jacinto Mts. 671 Comment
  RSA6082  Lotus scoparius var. brevialatus C. B. Wolf 1932-5-25 3665 Riverside Snow Creek, No. Base San Jacinto Mountains. Just above the Fish Hatchery 671 Comment
  SEINET196196 Image available Lotus scoparius var. brevialatus LeRoy Abrams 1941-4-22 13881 Riverside Granite hills Palomar School near Perris Comment
  UCR152517  Lotus strigosus A. C. Sanders 2005-4-22 29602 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR96812  Lotus strigosus Scott D. White 1993-3-12 1182 Riverside Near Winchester 466 Comment
  POM259965  Lotus tomentellus P. A. Munz 1940-3-23 15722 Riverside north end of Pinto Basin 610 Comment
  RSA554648  Lotus tomentellus A. C. Sanders, E. J. Lawlor 1992-4-4 12089 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  RSA736308  Lotus wrangelianus Scott D. White, Justin M. Wood 2008-3-25 11786 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  JEPS48838  Lupinus arizonicus Marjorie D. Clary 1932-5-9 945 Riverside Shavers Well to Desert Center; Shavers Well to Desert Center Comment
  POM13265  Lupinus arizonicus E. C. Jaeger 1922-4-4 s.n. Riverside Painted Canyon on near Mecca Comment
  RSA414834  Lupinus arizonicus H. de Forest 1937-3-15 s.n. Riverside West of Desert center Comment
  RSA550280  Lupinus arizonicus Walter Wisura, John Dolan, Michael Wall 1992-3-24 4616 Riverside Lowdesert: 4.7 mi NE of Mecca on Box Canyon Rd. Comment
  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
  UCR167394  Lupinus arizonicus John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  UCSB3394  Lupinus arizonicus Haller, John 1957-3-23 Riverside At South boundary of Joshua Tree National Monument; 4 air miles S of Cottonwood Sprs.; 1 miles N og junction with US 60 609 Comment
  UCR225578  Lupinus bicolor A. C. Sanders, T. B. Salvato 2011-3-29 38875 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor 0.45 east of Goetz Rd. and 0.07 km east Wheat St. 450 Comment
  UCR241943  Lupinus bicolor A. C. Sanders, Timothy W. Chumley 2013-4-2 40742 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., near I-15 Fwy, SE of Corona (Lee) Lake 377 Comment
  UCR171730  Lupinus excubitus John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, Temecula, Southern California Edison right of way between residential areas, N-S corridor between S General Kearny Road and La Serena Way; east of Veterans Park 366 Comment
  SEINET10484016  Lupinus excubitus subsp. austromontanus August J. Breitung 1953-6-13 Breitung 15559 Riverside Hemet reservoir, san bernardino nat'l forest. Comment
  CAS-BOT-BC216680  Lupinus excubitus subsp. hallii Carl B. Wolf 1932-5-25 3693 Riverside 0.25 mile SW of summit of Moreno Grade, SW of Beaumont, Bad lands 670 Comment
  CAS-BOT-BC216690  Lupinus excubitus subsp. hallii Ynez Whilton Winblad 1937-4-3 s.n. Riverside Between Beaumont and Riverside Comment
  RSA413572  Lupinus excubitus var. austromontanus Christopher Davidson 1975-6-16 2815 Riverside 3.8 mi. N of Alandale Station on road R1 from Idyllwild to Banning. 1700 Comment
  UCR265836  Lupinus formosus Mitch Provance 2012-5-24 512- 19 Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  UCR162644  Lupinus hirsutissimus 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
  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
  POM11373  Lupinus hyacinthinus Philip A. Munz 1922-9-7 6410 Riverside Tamarack Valley 3049 Comment
  POM48510  Lupinus hyacinthinus Mary F. Spencer 1919-7-6 1281 Riverside Tahquitz ridge, San Jacinto Mt. 2439 Comment
  UCR26957  Lupinus latifolius E. W. Lathrop 1966-5-29 6394 Riverside Peninsular Range; Santa Ana Mtns, Cleveland National Forest: Bear Springs on the Main Divide Truck Trail, 1 mi east of Santiago Peak 1209 Comment
  UC1129524  Lupinus longifolius A. Lewis Mar 1934 314 Riverside Tin Mine Canyon; Cleveland National Forest, Corona Quad. Comment
  RSA702747  Lupinus sparsiflorus Scott D. White, Michael Honer 2004-4-6 10041 Riverside Perris / Elsinore Basin: Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  SBBG3699  Lupinus sparsiflorus H. and M. Dearing 1937-4-10 648 Riverside E of Banning Comment
  SDSU12937  Lupinus sparsiflorus Jutta Buschbom 1991-6-20 36 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
  UCR176907  Lupinus sparsiflorus Tracy Tennant 1998-6-18 s.n. Riverside San Jacinto Mtns., Bee Canyon, NE of Valle Vista 793 Comment
  UCR48415  Lupinus sparsiflorus Steve Boyd 1986-4-22 1747 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  RSA613469  Lupinus truncatus D. L. Banks, Victor W. Steinmann 1997-3-13 1452 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
  SD137763  Lupinus truncatus Darin L. Banks, Steve Boyd 1995-3-30 122 Riverside Agua Tibia Wilderness Area; north slope of Agua Tibia Mountain, west of the Dripping Springs Alcove, east of the Woodchuck Trail. 725 Comment
  UCR177177  Lupinus truncatus Scott D. White, Michael Honer 2003-4-25 9097 Riverside San Bernardino Mtns, Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm, west side of road 671 Comment
  VVC231  Lupinus truncatus F. Ambrey 1959-4-29 s.n. Riverside On Pala Rd, 2.4 mi South of jct w St Hwy 71 on north side of rd. 323 Comment
  CAS-BOT-BC231417  Lycium andersonii D. E. Breedlove 1962-3-11 1891 Riverside On State 74, 3.7 miles south-west of Palm Desert 335 Comment
  RSA0126632  Lycium andersonii Duncan S. Bell 2016-3-4 8805 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
  RSA480089  Lycium andersonii Steve D. Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2178 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  CLARK-A1528-4348  Lycium brevipes John C. Roos 1949-3-19 4105 Riverside Dos Palmas Spring Comment
  RSA0054924  Lycium cooperi W. Marquart 1938-3-12 s.n. Riverside Mule Mts. South of Chuckawalla Range. Comment
  RSA13742  Lycopus americanus E. C. Jaeger 1921-08 1165 Riverside Riverside. Comment
  RSA409650  Lycopus americanus Louis C. Wheeler 1933-9-4 1317 Riverside Santa Ana River at Chino Creek. 183 Comment
  RSA160567  Machaeranthera asteroides J. D. Olmsted 1959-9-23 1007 Riverside 4 miles S of Hemet Lake on Hwy. 74, San Jacinto Mts. 1387 Comment
  RSA645537  Machaeranthera asteroides var. asteroides Scott D. White 1995-8-23 3589 Riverside San Jacinto Valley. San Jacinto Riv., just N of City of San Jacinto boundary, ca. 1 mi SE of bridge at State St. 463 Comment
  RSA607407  Machaeranthera canescens var. ziegleri R. S. Woglum 1937-10-20 1187 Riverside Peninsular Ranges, Santa Rosa Mountains. Comment
  CAS-BOT-BC203973  Malacothamnus fasciculatus Lester Rowntree 1937-11-6 s.n. Riverside Pines to Palms Comment
  CAS-BOT-BC206267  Malacothamnus fasciculatus Peter H. Raven; Sidney R. Snow 1956-6-30 9526 Riverside Flats 2.5 miles from Alberthill Road to Elsinore Comment
  RSA0103965  Malacothamnus fasciculatus Duncan S. Bell, LeRoy Gross 2015-3-10 7768 Riverside San Gorgonio Wilderness area; Mission Creek; just below (south of) the San Bernardino/Riverside county border. 830 Comment
  RSA180425  Malacothrix clevelandii E. W. Lathrop 1965-5-9 5246 Riverside 6 miles W of Murrieta. Comment
  UCR22107  Malacothrix clevelandii Steve Boyd 1980-5-15 273 Riverside Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan plateau 625 Comment
  CAS-BOT-BC347683  Malacothrix glabrata Geo. B. Grant 1906-4-8 s.n. Riverside Palm Springs Comment
  CAS-BOT-BC347693  Malacothrix glabrata H. M. Hall 1905-5-1 6028 Riverside Colorado Desert. Near Pinto Mts. Comment
  POM362310  Malacothrix glabrata M. B. Dunkle 1935-3-31 4447 Riverside North of Cottonwood Springs, Colorado Desert 762 Comment
  RSA739852  Malacothrix glabrata J. L. Strother 2008-3-10 1369 Riverside 18km (11miles) W of Chiriaco Summit, along N frontage of I10. 420 Comment
  SBBG66064  Malacothrix glabrata M. N. Ackley -Feb-1926 151 Riverside near Edom 64 Comment
  UCR264080  Malacothrix saxatilis S. J. Myers, Vesta A. Myers, Bill Hopson 2015-1-2 1069 B Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon, lower part of canyon, near Corona 427 Comment
  RSA777830  Malacothrix stebbinsii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 856 Riverside Chuckwalla Mountains, Chuckwalla Mountains Wilderness, off Corn Spring Road, main wash adjacent Corn Spring Road, draining from Corn and Aztec Springs up on Chuckwalla, flowing NNE 396 Comment
  RSA0013135  Malva neglecta LeRoy Gross, Caitlin Elam 2013-5-14 6065 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  UCR38238  Malva nicaeensis Steve Boyd 1980-4-23 s.n. Riverside Intersection of Jurupa Road and Galena Road, Glen Avon Comment
  SEINET7048009  Malva parviflora Steven R. Hill, Kate Kramer 2001-4-27 33476 Riverside Cabazon, Morongo Indian Reservation, at Hadley's Orchard Store, junction of Apache Trail and Seminole Drive, north of Route I-10, Apache Trail Exit, 4 miles east of Banning. Elevation about 1837 feet. Comment
  UCR82222  Malva parviflora J. M. Stewart 1994-5-2 840 Riverside Western Colorado Desert, Coachella Valley, Thermal, Highway 86 and Airport Blvd. Comment
  RSA162695  Malvella leprosa J. D. Olmsted 1959-9-23 1015 Riverside San Jacinto River crossing by Lakeview Rd. from US 395 NW of Lakeview Mts 427 Comment
  UCR272498  Malvella leprosa Mitch Provance 2013-6-18 613- 33 Riverside Santa Ana River Valley, Riverside, Arlanza area, W side of Hole Lake and adjacent mesa. 226 Comment
  RSA0044705  Mammillaria tetrancistra Leland Lubinsky, LeRoy Gross, Victor Steinmann 2005-2-17 s.n. Riverside Chuckwalla Mountains: Along wash above Corn Springs Campground., Between N33deg 37' 15'', W115deg 19' 39'' and N33deg 36' 52, W115deg 19' 54. 503 Comment
  UCD107543  Marah macrocarpa C. L. Hitchcock 1966-3-15 24145 Riverside 1 mi. e. of Glen Ivy Springs. 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
  CAS-BOT-BC193265  Marina parryi Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2131 Riverside N. end Palen Mtns, 2 mi west of Palen Pass 91 Comment
  UCR22046  Marrubium vulgare Steve Boyd 1980-5-11 238 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  RSA381086  Marsilea vestita R. F. Thorne, Steve Boyd, Earl Lathrop 1985-7-18 61175 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  RSA759270  Meconella denticulata Robt. Allen 2008-4-13 s.n. Riverside San Juan Canyon watershed. Along Bear Canyon Trail, .08 air mile SSE of the trailhead near Ortega Hwy. 627 Comment
  UCR182838  Medicago lupulina Mitch Provance 2003-4-18 6606 Riverside San Bernardino Valley, Riverside, Santa Ana River Wash, just under and NE of the Market St. Bridge 244 Comment
  CSUSB1089  Medicago polymorpha Leland R. Dykes 1962-5-1 56 Riverside Santa Ana Mountains, San Mateo Canyon Road. 12.5 miles west of Palomar Road, Murrieta. Comment
  RSA554281  Medicago polymorpha Scott D. White 1992-2-25 92 -6 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
  RSA593899  Medicago polymorpha Steve D. Boyd, David E. Bramlet 1996-4-19 8608 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  SD187410  Medicago polymorpha Scott D. White, Angelia Carey 2004-4-16 10176 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes 548 Comment
  UCR102814  Medicago polymorpha A. C. Sanders 1997-3-19 20057 Riverside Lake Skinner area, upper Rawson Canyon, west of Black Mountain, along the road from Lake Skinner 549 Comment
  UCR178300  Medicago polymorpha T. B. Salvato, Tracy Tennant 1998-4-23 MOR- 920 Riverside San Bernardino Mtns., Morongo Indian Reservation, seep in Wood Canyon, tree stand W-07 1220 Comment
  RSA700093  Melica frutescens Virginia Moran 2003-5-28 s.n. Riverside Wilson Valley Mitigation Bank, managed by the Center for Natural Lands Management. Accessed from Wilson Valley Road. Comment
  UCD66801  Melica frutescens F. M. Reed 1920-5-10 4490 Riverside Colorado Desert, Murray Canyon. 457 Comment
  RSA0080080  Melica frutescens A. R. Roos 1937-4-18 s.n. Riverside Snow Creek, N. side of the San Jacinto Mtns. Comment
  SEINET9328101  Melica frutescens Unknown 1929-5-15 5338 Riverside Riverside Comment
  CAS-BOT-BC281607  Melica imperfecta Alice Eastwood; John Thomas Howell 1937-4-24 3905 Riverside Coldwater Canyon, Santa Ana Mts Comment
  POM9732  Melica imperfecta Mary F. Spencer 1921-4-16 1842 Riverside Banning. Comment
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Mar 13 2011
  RSA526502  Melica imperfecta Steve Boyd, Timothy S. Ross 1990-5-11 4697 Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  UCD87932  Melica imperfecta Geoffrey Levin 1975-4-26 490 Riverside Mayhew Canyon, 1.5 mi. southwest of Glen Ivy on Highway 71. 335 Comment
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Jun 15 2012
  UCR20737  Melica imperfecta A. C. Sanders, Steve Boyd 1980-5-2 1389 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR2546  Melica imperfecta F. M. Reed 1908-3-29 2298 Riverside W slope of Box Springs Mtns 518 Comment
  RSA192124  Melilotus albus H. A. Zuill 1966-6-5 s.n. Riverside San Mateo Canyon about 13 miles SW of Murrieta Comment
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Feb 12 2013
  CSUSB1112  Melilotus indicus Eric Trubschenck 1972-5-8 6 Riverside Undeveloped lot on northeast corner of Park and 7th Streets. 271 Comment
  UC1329998  Menodora scabra var. glabrescens James E. Cole 1941-5-30 839 Riverside Lost Horse Mine Road Joshua Tree National Monument 1432 Comment
  CAS-BOT-BC223708  Mentzelia John H. Thomas 1957-3-30 6551 Riverside 8.1 miles east of Cactus City, about 20 miles east of Coachella. Colorado Desert 426 Comment
  RSA523549  Mentzelia affinis Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4009 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  SD227845  Mentzelia affinis Scott D. White, Pam Devries 1998-3-3 6088 Riverside La Quinta / Palm Desert area; Whitewater River Channel at and near Miles Ave. crossing. 17 Comment
  RSA0123038  Mentzelia dispersa Scott D. White, W. LaHaye 2000-5-27 7938 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  RSA440417  Mentzelia involucrata S. B. Parish 1907-4-22 6148 Riverside Palm Canyon, Western Border of the Colorado Desert. 200 Comment
  SBBG81726  Mentzelia involucrata S. A. Junak 1983-3-23 1647 Riverside Berdoo Cyn Rd, 2.4 mi E of Dillon Rd, Little San Bernardino Mtns 411 Comment
  RSA440448  Mentzelia jonesii H. M. Hall 1905-05 6002 Riverside Cottonwood Pass. 701 Comment
  UC488988  Mentzelia laevicaulis var. laevicaulis C. V. Meyer June 1927 209 Riverside Western base of San Jacinto Mt. Comment
  UCR126991  Mesembryanthemum nodiflorum A. C. Sanders, Guy Bruyea 2003-6-12 26889 Riverside Perris-Aguanga Basin Region, Winchester, SW edge of town between Simpson Ave. and Olive Ave., c. 1 km west of Hwy 79/Winchester Rd. 445 Comment
  LA209009  Micranthes californica John O'Leary; 1975-3-30 337 Riverside San Timoteo Canyon. 0.5 mi E of Treemont [?] 655 Comment
  RSA543933  Microseris douglasii subsp. douglasii Steve Boyd, David E. Bramlet 1991-5-13 6233 Riverside Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. N of Santa Fe RR tracks, W of San Diego aqueduct. Comment
  RSA359525  Microseris douglasii subsp. platycarpha Steve Boyd 1986-3-9 1387 Riverside Temescal Canyon: Alberhill Mt., south slope just east of claymine area 427 Comment
  UCR226075  Microseris douglasii subsp. platycarpha A. C. Sanders, T. B. Salvato 2011-4-1 38944 Riverside Peninsular Range, Lake Elsinore, SW of Baker St. along dirt branch road to microwave tower, near large water tank on hill 409 Comment
  RSA180327  Microseris heterocarpa E. W. Lathrop 1965-4-18 5664 Riverside 10 miles west of Murrieta. Comment
  LA209160  Mimulus aurantiacus var. pubescens W. E. Pequegnat; 1938-6-15 sn Riverside Santa Ana Mountains, On Bedford Rd Comment
  OBI52755  Mimulus aurantiacus var. pubescens B. Pitzer and A. C. Sanders, A. C. Sanders 1987-4-21 495 Riverside Box Springs Mts, near Southernmost radio towers (Riverside East 7.5' Quad: T 2S, R4W, SE1/4 sec 27) 792 Comment
  POM256714  Mimulus aurantiacus var. pubescens W. Pequegnat 1940-6-19 s.n. Riverside Pleasants Pk. (Sugarloaf Pk.) 1220 Comment
  POM8480  Mimulus aurantiacus var. pubescens I. M. Johnston 1920-5-8 2289 Riverside Butte west of Lakeview. 610 Comment
  RSA38709  Mimulus aurantiacus var. pubescens Percy C. Everett 1945-6-7 11500 Riverside Indian Canyon, along Indian Canyon Truck Trail. 640 Comment
  PASA114  Mimulus bigelovii R. E. Merrill Riverside Palm Canyon Comment
  RSA763894  Mimulus brevipes Doris Bowers 1972-4-15 1814 Riverside Dig at Rancho California - N/o camp 396 Comment
  UCR225164  Mimulus breweri Steve Boyd, Gary Wallace 2005-7-30 11637 Riverside Peninsular Ranges; San Jacinto Mountains region, San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2683 Comment
  RSA523971  Mimulus diffusus F. W. Peirson 1929-5-4 s.n. Riverside Summit of St John's grade. 793 Comment
  RSA680402  Mimulus floribundus Scott D. White, Michael Honer, Dylan Hannon 2003-6-24 9600 Riverside Near Rainbow Valley: Mountains west of I-15 Freeway and immediately north of San Diego County boundary. 335 Comment
  UCR168408  Mimulus fremontii E. C. Jaeger 1921-6-15 s.n. Riverside San Jacinto Mountains, along Stone Creek 1707 Comment
  UCR35244  Mimulus fremontii L. B. Ziegler 1968-5-1 281 Riverside San Jacinto Mtns., at Chimney Flats on the old control road to Idyllwild 1463 Comment
  JOTR31050  Mimulus guttatus La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2033 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lower Covington Flats; STOP 1: drainage heading toward Smithwater Canyon, rocky canyon with narrow sandy bottom Comment
  UCR216241  Mimulus guttatus Oleg Pryadko 2008-5-2 052 Riverside San Bernardino Valley Region, western Riverside near Pedley, Hidden Valley Wildlife Area, c. 1200 ft. south of Clay St. and General Road, 1000 ft. east of Van Buren Blvd., north bank of Santa Ana River 208 Comment
  CSUSB915  Mimulus longiflorus Steve G. Nelson 1974-5-22 Riverside Box Spring Mountains Box Springs Mountains. Found at edge of rock outcrop 457 Comment
  JEPS3007  Mimulus palmeri Frank W. Peirson 1929-5-4 Riverside summit St. John's Grade 792 Comment
  JOTR16749  Mirabilis bigelovii var. bigelovii Dengler, A. 1966-5-31 116 Riverside Joshua Tree National Park. LOST HORSE VALLEY 1280 Comment
  RSA652389  Mirabilis bigelovii var. retrorsa David B. Dunn, H. Lint 1955-4-1 11817 Riverside Pushawalla Canyon, Indio Hills. Comment
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May 24 2012
  POM159835  Mirabilis laevis var. retrorsa E. C. Jaeger 1926-3-24 2347 Riverside White Tank, northern edge of Colorado Desert Comment
  RSA776090  Mirabilis laevis var. villosa Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 822 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 495 Comment
  UCR166532  Mirabilis laevis var. villosa Scott D. White, Brian Leatherman 2005-5-4 11011 Riverside Sonoran Desert, Eastern Coachella Valley. Thermal area; bajada below Mecca Hills and east of the Coachella Canal 49 Comment
  UCR77587  Mirabilis multiflora var. pubescens Steve Boyd 1991-9-8 6434 Riverside Peninsular Range, Aguanga Valley, sandy wash of Temecula Creek, south of Hwy 79 at jct with Hwy 371 600 Comment
  RSA0104457  Mirabilis tenuiloba Duncan S. Bell, Sarah DeGroot, Cheryl Sevilla 2015-2-10 7744 Riverside Santa Rosa Mountains; a narrow unnamed canyon about 2 air miles south of La Quinta, and about 5.25 air miles northeast of the summit of Martinez Mountain. 232 Comment
  UCR90803  Mirabilis tenuiloba A. C. Sanders, G. K. Helmkamp 1996-3-17 17990 Riverside Sonoran (Colorado) Desert, Coachella Valley, Palm Springs, mouth of Palm Canyon, c. 0.5 km east of Palm Canyon Dr. on Bogert trail 163 Comment
  JEPS24421  Mohavea confertiflora Peter M. Ray 1949-3-12 1389 Riverside Painted Canyon, Orocopia Mountains, east of Mecca. Comment
  RSA0042829  Mohavea confertiflora Duncan S. Bell, Deidre Conocchioli 2014-3-18 6249 Riverside Orocopia Mountains; southern/central section of range; approximately 1.25 air miles northwest of Gucci Spring. 511 Comment
  RSA457757  Mohavea confertiflora Steve D. Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2118 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  UCR123186  Monardella A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24613 Riverside Mojave Desert, Little San Bernardino Mtns, Split Rock, Joshua Tree National Park, north of 'Ruby' VABM 4351 on west side of road 1296 Comment
  UCD125187  Monardella breweri subsp. lanceolata R. N. Raynor 1938-6-20 s.n. Riverside Aguanga. Comment
  CAS-BOT-BC215454  Monardella linoides subsp. linoides Philip A. Munz 1938-8-14 15380 Riverside Ridge east of Toro Peak, Santa Rosa Mts. 2286 Comment
  POM12918  Monardella linoides subsp. linoides P. A. Munz 1922-6-30 5921 Riverside Santa Rosa 1982 Comment
  LA96076  Monardella nana Elizabeth McClintock; 1940-6-30 18 Riverside near Pine Flats on The Banning-Idyllwild road Comment
  LA96109  Monardella nana Elizabeth McClintock; 1941-6-8 69 Riverside 3 mi. E of Ribbonwood Camp, Pines to Palms Hwy Comment
  UCR23123  Monardella nana subsp. arida Jeanine Derby 1978-6-9 s.n. Riverside Santa Jacinto Mtns, [upper Bull Canyon] on FS Rd. 7S13 Comment
  UCR78333  Monolopia lanceolata D. E. Bramlet 1993-4-13 2325 Riverside Adjacent to (north of) the existing dirt access road, 610 m north of Cajalco Rd, in the 'Cajalco Bend' area, 1.1 km west of Lake Mathews Drive 433 Comment
  CAS-BOT-BC349703  Monoptilon bellidiforme C. L. Hitchcock 1940-3-31 5880 Riverside Cottonwood Springs, 1/2 mi. below Spring Comment
  POM36544  Monoptilon bellioides Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  RSA32426  Monoptilon bellioides N. C. Cooper 1944-3-25 1035 Riverside Morongo Pass. 457 Comment
  UCSB17222  Monoptilon bellioides Winn, Will 1963-4-8 Riverside 29.2 miles west of Desert Center on U.S. Highway 60-70 304 Comment
  UC39903  Muhlenbergia filiformis H. M. Hall July, 1901 2359 Riverside meadows and bogs San Jacinto Mountains, Tauquitz Valley 2438 Comment
  SD186042  Muhlenbergia microsperma A. C. Sanders 2004-4-20 27550 Riverside 0.5 km west of Tenaja Road and just north of the San Diego county line. 640 Comment
  UCR136266  Muhlenbergia microsperma A. C. Sanders 2004-4-20 27550 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
  UCR90300  Muhlenbergia microsperma F. M. Reed 1920-5-24 4351 Riverside Riverside, Box Springs Mtns: Canyon east of Highgrove, above Eureka Ranch 396 Comment
  JOTR30811  Muhlenbergia porteri Andre, Jim, Tasha La Doux 2008-9-16 10689 Riverside Joshua Tree National Park. along Bell Mountain Rd. atop Bell Mountain, approximately 0.3 miles north of radio tower. Queen Mountain USGS 7.5 min quad Near 34 00.35' N 116 00.017' W 1358 Comment
  RSA0104485  Muhlenbergia porteri Duncan S. Bell 2015-9-30 8670 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  SD261013  Myosurus minimus subsp. apus John F. Green 2008-7-9 Riverside Peninsular Range: Menifee Valley, east of Briggs Rd and north of Holland Rd (Romoland 7.5'Q) 438 Comment
  RSA522091  Najas marina Steve Boyd, Orlando Mistretta 1989-7-18 3759 Riverside Vail Lake area, along west shore of lake 1/2 mi S of dam. 427 Comment
  CHSC692  Nama demissa F. Hughes 1935-4-16 Riverside Colorado Desert Comment
  RSA421107  Nama demissa Chas. Gabriel 1926-2-20 238 Riverside Rincon [R. Village, Andreas Canyon] Comment
  UCR130123  Nama demissa Scott D. White 2001-4-3 8240 Riverside Sonoran (Colorado) Desert, Shavers Valley, near the I-10 Freeway, c. 15 miles east of Indio junction of I-10 and Calif. SR 111, adjacent to powerline access roads at unnamed freeway exit accessing pump station 473 Comment
  RSA19236  Nama demissa var. deserti I. W. Clokey 1935-4-17 6812 Riverside Cottonwood Springs. Comment
  RSA599110  Nassella lepida V. W. Steinmann, D. L. Banks 1996-4-20 844 Riverside Agua Tibia Mountains, ca. 10 km east of Temecula, UC Emerson Preserve, ca. 0.5 km from main road along the East Trail, just northeast of the summer cottage., ca. 33?28'N, 117?02'W 450 Comment
  UC1531114  Nassella pulchra Kay L. Tomlinson, Deborah L. Kama, and Robert F. Thorne 1985-3-27 890 Riverside Mesa de Colorado Santa Rosa Plateau 609 Comment
  RSA0120304  Nasturtium officinale Duncan S. Bell 2016-4-16 9306 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  UC1929472  Navarretia atractyloides Scott D. White, Michael Honer 2003-6-3 9480 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. Comment
  UCR174147  Navarretia atractyloides A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32579 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
  UCR55267  Navarretia atractyloides Kathy Harper 1988-7-16 s.n. Riverside Peninsular Range, Cleveland National Forest, on Hwy 74 near El Cariso, SE of Hwy Comment
  UCR70678  Navarretia fossalis D. E. Bramlet 1991-6-1 2183 Riverside San Jacinto Valley, San Jacinto River, c. 1.6 km west of Nuevo & 100 m north of end of 13th St.; about 8 m east of the river in a swale adjacent to the levee 473 Comment
  UC718523  Navarretia hamata subsp. hamata Carl B. Wolf 1936-6-17 Riverside 1.4 mi off Ortega Highway (Tenaja Road, on road to La Cienega); Santa Ana Mts. 609 Comment
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Sep 24 2011
  UCR279600  Nemacladus A. C. Sanders, Jim Malusa 2017-3-28 43137 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  RSA781526  Nemacladus glanduliferus var. orientalis Duncan S. Bell 2010-5-1 875 Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  CLARK-A1528-5380  Nemacladus longiflorus var. breviflorus John C. Roos 1937-4-18 1795 Riverside Snow Creek Comment
  RSA789233  Nemacladus longiflorus var. longiflorus Naomi Fraga, Duncan S. Bell 2009-5-6 2707 Riverside Arroyo seco SE of Dripping Springs Campground and Fire Station. 488 Comment
  CAS-BOT-BC416315  Nemacladus ramosissimus A. C. Sanders 1998-6-10 21980 Riverside San Jacinto Mtns.: FS road 6S13 toward Thomas Mtn., 1.3 mi. above Hwy 74 in Garner Valley at a point 3.1 mi E of Keen Camp Summit, ca 1 mile due south of Lake Hemet 1463 Comment
  RSA526492  Nemacladus ramosissimus Steve Boyd, Timothy S. Ross 1990-5-11 4688 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
  UCR127534  Nemacladus ramosissimus A. C. Sanders, D. Malueg 2003-5-8 26570 Riverside Perris-Aguanga Basin region, 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 396 Comment
  SEINET13681943  Nemacladus rubescens Tina Ayers, Randy Scott 2017-3-19 1921 Riverside Chuckwalla Mountains, ca 8 miles west of Chuckwalla Valley Road on Dupont Road, roadside at edge of wilderness area 152 Comment
  SEINET10460917  Nemacladus sigmoideus Annie M. Alexander, Louise Kellogg 1941-4-24 Alexander 2076 Riverside Gorge of Dry Morongo Creek, Morongo Valley 640 Comment
  RSA0123360  Nemacladus tenuis var. tenuis Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9044 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  JEPS1495  Nemophila menziesii Marjorie D. Clary 1933-5-7 2671 Riverside about ten mi s Kenworthy (Santa Rosa Mountains, Colorado Desert); Colorado Desert, Santa Rosa Mountains, s of Kenworthy Comment
  OBI42757  Nemophila menziesii Roberta H. Smith 1969-4-12 2 Riverside Box Springs mts, NW slope of hill, SE of UCR 366 Comment
  RSA291601  Nemophila menziesii C. W. Tilforth, Walter Wisura 1979-4-11 1792 Riverside Hills on south side of Lake Skinner, east of Murrieta. 427 Comment
  RSA421337  Nemophila menziesii Christopher Davidson 1973-4-1 1826 Riverside Jct. Vail Lake Marina and Hwy. 71/79, about 3 miles west of Aguanga. 426 Comment
  RSA523372  Nemophila menziesii G. H. True 1935-2-22 11 Riverside Mockingbird Canyon. 457 Comment
  RSA734387  Nemophila menziesii Unspecified 1938-5-26 s.n. Riverside Hurkey Creek Comment
  SEINET7063438  Nemophila menziesii var. menziesii A. G. Vestal 1947-3-30 s.n. Riverside About 4.2 miles west of Sage in Tucalota Valley on East Benton Road. UTM Zone 11, 501405mE, 3715115mN. (WGS84/NAD83). 561 Comment
  UC456215  Nicotiana attenuata I. J. Condit 1910-6-24 Riverside Strawberry Valley; San Jacinto Mts. 1524 Comment
  POM98160  Nicotiana bigelovii var. wallacei Philip A. Munz 1925-5-20 9852 Riverside 2 mi. east of Aguanga. Comment
  UC566777  Nicotiana clevelandii Margaret Stason 1927-2-12 Riverside 1000 Palm Canyon; Colorado Desert Comment
  RSA0060149  Nicotiana clevelandii D. L. Banks, Steve D. Boyd 1995-10-17 813 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the narrow benches where Arroyo Seco turns to the E., Just W of the Metasedimentary hills. 524 Comment
  RSA0060575  Nicotiana glauca Bob Rogers 1984-4-14 1 Riverside Collected in the San Jacinto river-bed on the North side of Highway 74, 0.5 miles past Cranston ranger station going East from Hemet towards Mountain Center. 610 Comment
  RSA596161  Nicotiana glauca D. L. Banks 1996-11-7 1214 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church., On the main road in the Reservation, 1.6 km E of the roads crossing with Pechanga Creek on the northern fork of the creek at the E end of the Reservation. 415 Comment
  JOTR30637  Nicotiana obtusifolia La Doux, Tasha, Erin Babich 2008-4-21 1800 Riverside Joshua Tree National Park. Stop 3-Little San Bernardino Mountains, S of Covington Flat 1290 Comment
  UC1922494  Nicotiana obtusifolia Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10890 Riverside Sonoran Desert: Eastern Coachella Valley. Bajada beneath Mecca Hills, just east of Coachella Canal. Comment
  UCD126750  Nicotiana obtusifolia Lionel A. Stange 1956-3-31 s.n. Riverside 18 miles east of Mecca on State Highway 195. Comment
  JEPS12372  Nicotiana quadrivalvis C. V. Meyer June, 1927 153 Riverside hills near Temecula Comment
  UCR212972  Nicotiana quadrivalvis Justin M. Wood, Brandy N. Wood 2009-7-4 1044 Riverside San Bernardino Valley, Riverside Flood Control Basin, southwest corner of Patton Road and Wineville Road, immediately south of San Bernardino County Line 256 Comment
  JOTR31981  Nolina bigelovii La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2217 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; bouldery canyon with sandy wash bottom 731 Comment
  CAS-BOT-BC71174  Notholaena californica S. B. Parish; W. F. Parish 1884-4-1 502 A Riverside Agua Caliente, desert slope of San Jacinto Mt. Comment
  RSA85863  Notholaena californica subsp. californica F. W. Peirson 1922-5-21 3053 Riverside about 4 miles north of San Jacinto 457 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
  UC20447  Oenothera californica subsp. californica H. M. Hall June 1901 2143 Riverside along borders of Colorado Desert eastern base of San Jacinto Mountains Comment
  OBI26117  Oenothera deltoides David J. Keil 1976-12-12 11918 Riverside Along I-10, 37 mi E of Chiriaco Summit Comment
  SEINET3005057  Oenothera deltoides G. Rink 2011-4-29 10495 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe, sandy 91 Comment
  RSA144922  Oenothera deltoides subsp. deltoides J. W. MacSwain, R. W. Thorp 1959-3-7 59 -46 Riverside 2 miles west of Hopkins Well. Comment
  VVC347  Oenothera elata F. Zaebst 1959-4-26 s.n. Riverside South Perris Basin, US 395 (now I-15), 2.2 mi S of Temecula River Bridge, 10 yds S.E. of hwy marker 38&30A E. side of road. 366 Comment
  POM85035  Oligomeris linifolia Marcus E. Jones 1903-5-8 s.n. Riverside Indio. -7 Comment
  RSA698596  Oligomeris linifolia J. R. Bruff s.n. Riverside Palm Springs. Comment
  UCD116472  Oligomeris linifolia Dieter Bommer 1962-4-1 s.n. Riverside SE of Mecca and NE corner of Salton Sea. Comment
  RSA792123  Oncosiphon piluliferum R. E. Riefner Jr. 2011-5-31 11 -61 Riverside French Valley, immediately northeast of Hwy 79 and the intersection with Algarve Avenue 415 Comment
  UCR240168  Oncosiphon piluliferum R. E. Riefner Jr. 2012-4-30 12- 82 Riverside city of Lake Elsinore, south side of Alberhill Creek, west of Hwy 74, vicinity of Bromley Ave. and Baker Street 380 Comment
  RSA543162  Opuntia basilaris Steve Boyd, Timothy S. Ross, Mike Hammit 1991-5-2 6092 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  POM306805  Opuntia parryi David Griffiths 1911-1 10397 Riverside Banning region of California Comment
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Apr 5 2007
  POM285351  Opuntia phaeacantha Lyman Benson 1955-12-6 15622 Riverside Hills 3 miles southeast of Redlands. Crystal Springs. San Bernardino foothills. 488 Comment
  POM288042C  Opuntia phaeacantha David Griffiths 1906-1 8292 Riverside Banning. Comment
  UCR42628  Opuntia phaeacantha A. C. Sanders, B. D. Parfitt, R. Anthony 1986-4-21 6464 Riverside San Jacinto Mtns., Near the mouth of Hamilton Creek Canyon, 2.6 mi. east of Anza Post Office on Hwy 371. 1220 Comment
  POM278511  Opuntia polyacantha var. erinacea H. G. Rush 1950-5-10 122 Riverside Santa Rosa Mountain Range. 7 miles northwest of Nightingale, on Palms to Pines Highway. 1524 Comment
  SD132129  Orcuttia californica David B. Zippin 1991-5-30 155 Riverside Margins of large vernal pool (lake) at Skunk Hollow Comment
  UCD150804  Orcuttia californica Tom Griggs 1976-6-16 s.n. Riverside Riverside County, Santa Rosa Plateau, Mesa de Burro. Elevation estimated with Google Earth. 609 Comment
  CAS-BOT-BC499740  Orobanche californica subsp. feudgei H. M. Hall 1901-6-1 2135 Riverside San Jacinto Mountains, eastern base, along the borders of the Colorado Desert Comment
  RSA608372  Orthocarpus purpurascens Leota Brice 1930-4-13 s.n. Riverside Hemet Comment
  RSA619565  Orthocarpus purpurascens var. purpurascens D. L. Banks 1997-5-5 2003 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  SD137857  Osmadenia tenella Darin L. Banks, Steve Boyd 1995-5-9 344 Riverside Northwest Palomar Mountains, north of the Agua Tibia Wilderness Area. North slope of Agua Tibia Mountain, the Dorland Mountain area, west of the Dripping Springs Alcove Area, west of Woodchuck Campground 730 Comment
  UC2030086  Oxytheca caryophylloides Scott D. White 2000-8-5 8119 Riverside SAN JACINTO MTS: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). Comment
  POM14994  Oxytheca trilobata Mary F. Spencer 1922-6-16 s.n. Riverside San Jacinto Mountains. 1829 Comment
  UCR207698  Oxytheca trilobata Justin M. Wood, Brandy N. Wood 2009-6-13 894 Riverside San Jacinto Mountains, Idyllwild County Park, Lily Creek and adjacent slope to west of campground 1616 Comment
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Nov 30 2009
  POM363763  Palafoxia arida var. arida M. B. Dunkle 1933-3-4 3039 Riverside Painted Canyon 30 Comment
  UC1590093  Palafoxia arida var. arida Christopher Davidson and B. Gustafson 1977-4-7 5582 Riverside exit from I-10 ca 2.5 mi w jct. I-10 with State-62 (near start of Angeles Crest Trail); Whitewater Canyon Rd. 609 Comment
  RSA92212  Palafoxia arida var. arida F. W. Peirson 1914-04 1381 Riverside Whitewater at head of Coachella Valley. Comment
  CAS-BOT-BC403919  Parietaria hespera A. C. Sanders; G. K. Helmkamp; P. J. MacKay 1995-3-12 16099 Riverside Coachella Valley/Santa Rosa Mtns.: alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon. 12 Comment
  UCR100302  Parietaria hespera var. hespera B. G. Pitzer 1997-4-20 3192 Riverside Lakeview Mtns, Intersection of 'Dutton' Street with Voltaire Vista Road. (Note: Dutton ends in T-intersection at Sardis Lane, which makes a 90 deg. E turn onto Brent Lane, which becomes Voltaire Vista Road east of Elton Lane. Therefore, this locality is actually the intersection of Elton Lane & Voltaire Vista Road.) 610 Comment
  RSA718576  Parietaria hespera var. hespera Michael Honer, L. Hulse 2004-4-3 1895 Riverside Nameless canyon appx. 1 mi. W of Pushawalla Cyn., leading up to MWD aqueduct. 488 Comment
  SEINET10940084  Parkinsonia florida Billy Joe Cox 1975-4-23 Cox 4137 Riverside 1-3 km W, (ca 32 m S of Blythe). 70 Comment
  SFV1799  Parkinsonia microphylla F. D. Adair 1959-6-9 s. n. Riverside Palm Springs Wildlife Sanctuary. Comment
  RSA179519  Paspalum distichum E. W. Lathrop 1959-5-17 4570 Riverside 10 miles W of Murrieta. Comment
  RSA793609  Pectis papposa Duncan S. Bell, Aaron C. Sedgwick 2012-9-13 4204 Riverside The Mecca Hills; along what was left of Box Canyon Road after having been buried by a flash flood from a large summer storm, approximately 5 air miles northeast of the junction of Box Canyon Road and the Coachella Canal,, or approximately 1.25 air miles southwest of Shavers Well. 240 Comment
  JEPS34819  Pectis papposa var. papposa W. L. Jepson Oct 22 1912-Nov 7 1912 5267 Riverside Palo Verde Valley 45 Comment
  UCR108482  Pectocarya A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16192 Riverside Western Colorado Desert, Coachella Valley, Willow Hole, 4 miles south of Desert Hot Springs. 213 Comment
  UC178198  Pectocarya anisocarpa C. F. Baker 1904-5-4 4139 Riverside Hemet Comment
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Mar 24 2011
  UCR90758  Pectocarya anisocarpa Scott D. White 1995-4-5 2740 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  JOTR28951  Pectocarya heterocarpa La Doux, Tasha 2005-3-30 1187 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  UCR111965  Pectocarya linearis A. C. Sanders, T. B. Salvato 2000-5-25 23419 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
  UCD120129  Pectocarya linearis subsp. ferocula T. B. Salvato; A. C. Sanders 2005-5-17 888 Riverside San Jacinto Mtn foothills San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and N of Calif. Hwy 74. 549 Comment
  UCR49252A  Pectocarya linearis var. ferocula Steve Boyd 1986-3-9 1385 A Riverside Peninsular Range, Temescal Canyon: Alberhill Mtn., south slope of mtn., just east of claymine area 488 Comment
  RSA495816  Pectocarya penicillata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-12 2926 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  UCR183178  Pectocarya penicillata Mitch Provance 2003-5-5 4407 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  GMDRC9810  Pectocarya platycarpa J. M. Andre 2017-3-1 38032 Riverside Chuckwalla Mountains: along powerline road 1.2 mi. SW of Interstate 10 at Eagle Mtn Rd exit 387 Comment
  UC2015552  Pectocarya platycarpa A. C. Sanders with P. MacKay, M. Jacobsmyer, C. Sanders, et al. 1995-3-5 15995 Riverside Colorado Desert, Orocopia Mountains, Maniobra Valley, 1.6-3 mi S of Frontage road (old highway 60) along I-10, S to edge of BLM wilderness. Comment
  UCR174086  Pectocarya recurvata A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32548 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 488 Comment
  UCR279560  Pectocarya recurvata A. C. Sanders, Jim Malusa 2017-3-29 43178 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 4 km SSE (164 deg. ) of the confluence of Red Canyon and Salt Creek 518 Comment
  UCR60255  Pectocarya recurvata Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3198 Riverside Peninsular Range, Vail Lake area, W end of bench on S flank of Oak Mtn. 549 Comment
  RSA750884  Pelargonium denticulatum T. B. Salvato 2007-10-10 3068 Riverside Riverside, residence at 1009 Bascomb Drive 305 Comment
  UCSB30934  Pellaea andromedifolia Parker, V. 1974-4-5 Riverside Hemet city limits, E side of Hwy 74 365 Comment
  UCR156292  Pellaea mucronata T. B. Salvato, Kent Beaman 2005-5-16 836 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
  RSA0051614  Pellaea mucronata Bruce Haines 1962-4-16 124 -A Riverside 3/4 miles East of Hidden Valley Campground on Key's Ranch Road, Joshua Tree National Monument. 1295 Comment
  JEPS20693  Pellaea mucronata var. mucronata Rimo Bacigalupi with Paul C. Hutchison 1958-2-19 6206 -A Riverside ca. 2 mi w of Ribbonwood (above CA Hwy 74 (Palms to Pines)); San Bernardino Nat'l Forest, sw base Santa Rosa Mts 1371 Comment
  RSA180373  Pellaea mucronata var. mucronata E. W. Lathrop 1960-6-7 4861 Riverside 14 miles W of Murrieta Comment
  SEINET5796827 Image available Penstemon antirrhinoides I. W. Clokey, E. G. Anderson 1936-1 6885 Riverside East of Hemet along San Jacinto River 600 Comment
  RSA750550  Penstemon californicus Scott D. White, Justin M. Wood 2009-5-21 12872 Riverside San Jacinto Mountains: Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). 1372 Comment
  RSA0006178  Penstemon californicus Philip A. Munz, J. M. Johnston 1922-5-21 5445 Riverside San Jacinto Mts., Kenworthy, Hemet Valley; 2 miles NW of Kenworthy. 1372 Comment
  RSA502508  Penstemon centranthifolius Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3558 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  RSA96996  Penstemon centranthifolius R. M. Straw 1953-6-5 446 Riverside 0.2 mi. west of Palms to Pines Hwy on road to Anza. Comment
  RSA263751  Penstemon heterophyllus var. australis E. W. Lathrop 1968-5-17 6892 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive. 1082 Comment
  UC27466  Penstemon labrosus H. M. Hall July, 1901 2506 Riverside vicinity Strawberry Valley (San Jacinto Mountains, Southern California); San Jacinto Mountains, vicinity Strawberry Valley 1584 Comment
  UC887461  Penstemon rostriflorus I. W. Clokey and E. G. Anderson 1935-8-21 6903 Riverside Fuller's Creek 1500 Comment
  SEINET4097936  Penstemon spectabilis C. Davidson 1975-1 2805 Riverside About 4 miles south of Banning on road R1 to Idyllwild. 1127 Comment
  UCR91662  Penstemon spectabilis var. spectabilis Steve Boyd 1995-4-24 8490 Riverside Peninsular Range, Palomar Range, Agua Tibia Wilderness Area, at NE [SE?] base of Wildhorse Peak, west of Devil's Hole, along the Wildhorse Trail near its gabbro peak known as 'Agua 762 Comment
  POM12989  Pentachaeta aurea P. A. Munz, I. M. Johnston 1922-5-19 5308 Riverside Santa Ana River Canyon. 457 Comment
  RSA0120467  Pentagramma triangularis Duncan S. Bell 2016-4-16 9304 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  JEPS60101  Pentagramma triangularis subsp. triangularis W. L. Jepson 1939-4-17 19136 Riverside near Twin Springs (n end Temescal Canyon); Temescal Canyon 274 Comment
  RSA510033  Perityle emoryi B. Pitzer, S. Myers, J. Wilkinson 1988-2-21 602 Riverside S end of Coxcomb Mtns, 0.2 mi. N of Hwy 177 (Old Desert Center - Rice Road), 10.6 mi. NE of Desert Center. 229 Comment
  SBBG8654  Perityle emoryi H. and M. Dearing 1936-12-26 1886 Riverside foot of Palms to Pines Hwy Comment
  UC306392  Perityle emoryi S. B. Parish 1919-3-27 19196 Riverside Palm Canyon Colorado Desert Comment
  JOTR35186  Persicaria lapathifolia La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3280 Riverside Joshua Tree National Park. Queen Mountains; West side of Barker Dam; Small riparian zone in and along drainage from dam (Stop 5) 1300 Comment
  JEPS41240  Petalonyx thurberi W. L. Jepson 1927-4-13 11686 Riverside mouth of Painted Canyon Mecca Hills, Painted Canyon 45 Comment
  UCR261211  Petalonyx thurberi A. C. Sanders, Katie Young, John Hale 2015-4-22 41595 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
  LA49855  Petalonyx thurberi subsp. thurberi Elizabeth McClintock; L. Erickson 1937-11-6 sn Riverside at foot of Palms to Pines Highway Comment
  SEINET7048060  Petalonyx thurberi subsp. thurberi Steven R. Hill 2001-4-29 33537 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
  UC535038  Petalonyx thurberi subsp. thurberi Victor Duran 1933-7-3 3500 Riverside Coachella Valley at Deep Canyon; Coachella Valley 243 Comment
  RSA535082  Petunia parviflora Steve D. Boyd 1991-5-30 6318 Riverside Murrieta area, Warm Springs Creek at NW end of the Hogbacks, S of Alamos Rd. 396 Comment
  RSA554025  Peucephyllum schottii A. C. Sanders, E. J. Lawlor 1992-4-4 12136 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  UCSB22643  Peucephyllum schottii 1962-3-11 Riverside On steep rocky road cut on State 74, 5.7 miles southwest of Palm Desert 487 Comment
  RSA23229  Phacelia ambigua Ernest Braunton 1940-4-3 2020 Riverside Berdoo Canyon, 10 mi. E. of Indio. 305 Comment
  RSA709861  Phacelia ambigua Sarah J. De Groot, Leland Lubinsky, Naomi S. Fraga, Lisa Rojas 2005-2-10 4585 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UCR6119  Phacelia brachyloba Dorothy Detrich 1966-5-16 49 Riverside San Bernardino Valley Region, Riverside, Santa Ana River bottom at base of Mount Rubidoux 236 Comment
  SEINET10497000  Phacelia campanularia James S. Miller 1992-5-8 Miller 7465 Riverside 5.5 mi E of the W boundary of San Bernadino National Forest on California route 74. 950 Comment
  UCSB5353  Phacelia campanularia Haller, John 1957-3-23 Riverside At mouth of Morongo Canyon, ca. 8 road miles N. of U.S. 99 and 1 air mile S. of Riverside-San Bernardino Co. line 762 Comment
  RSA0055045  Phacelia campanularia James R. Shevock 1971-5-8 1032 Riverside Joshua Tree Nat'l. Mon., So. entrance, Cottonwood Cyn. 457 Comment
  UC666577  Phacelia campanularia subsp. vasiformis Harlan Lewis and Carl Epling 1942-4-26 1606 Riverside Morongo Wash Comment
  JEPS2191  Phacelia cicutaria var. hispida M. French Gilman 1845-1 714 Riverside Palm Springs (of Mt. San Jacinto) Mt. San Jacinto Comment
  UCR117619  Phacelia cicutaria var. hispida Scott D. White 1997-5-25 5245 B Riverside Peninsular Range; Perris Basin, Winchester Area: Hills south of Patton Ave. and west of Winchester Road, c. 2 air mi SW of the junction of Winchester Road and Simpson Avenue 549 Comment
  UCR207633  Phacelia cicutaria var. hispida O. F. Clarke 2005-5-12 s.n. Riverside Peninsular Range; Moreno Valley, Kucera residence, 11681 Dalehurst, Moreno Valley 625 Comment
  UCR103479  Phacelia ciliata D. E. Bramlet 1993-4-3 2309 Riverside South Cajalco Bend, c. 61m south of Cajalco Road, at location 3.2 km east of intersection of Cajalco Road and La Sierra Ave., c. 152m east of intersection with old Monument Peak access road 439 Comment
  SEINET3091710 Image available Phacelia crenulata var. ambigua G. Helmkamp, E. Helmkamp 1998-1-17 2541 Riverside Box Canyon Road ENE of Mecca and on the north side of the Coachella Canal. 0 Comment
  UC170163  Phacelia crenulata var. ambigua E. E. Schellenger 1894-12-4 94 Riverside Chuckawalla Bench Colorado Desert Comment
  UCR165824  Phacelia crenulata var. ambigua 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
  UCR72170  Phacelia crenulata var. ambigua Theo Glenn 1991-5-7 91- 96 Riverside Sonoran (Colorado) Desert, Big Maria Mtns, north of Blythe 365 Comment
  UCSB34131  Phacelia crenulata var. ambigua Nilsen, Erik 1977-3-5 Riverside Upper Bajata, Riverside county 304 Comment
  JOTR32186  Phacelia cryptantha Harding, Mitzi & Herskovits, Tasya, D. Oquendo 2011-5-5 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Pinyon Well; Riparian area near small series of active springs and seeps (Stop 2) 1182 Comment
  CSUSB134  Phacelia distans Arthur P. Donaldson 1966-5-7 Riverside Collected 10 yards off the road on Banks Drive, 0.8 mile past the tank going towards Riverside (city). Fairmount Park. 266 Comment
  RSA33656  Phacelia distans N. C. Cooper 1944-3-24 1018 Riverside Banning. 701 Comment
  RSA426219  Phacelia distans Christopher Davidson, Robert Gustafson 1977-4-7 5574 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
  RSA650565  Phacelia distans Marion P. Harthill 1971-3-19 21 Riverside Palm Desert. Comment
  RSA428088  Phacelia minor N. C. Cooper 1944-6-24 2020 Riverside Elsinore Mtns, Riverside county. Alt 3500ft. 1067 Comment
  RSA715757  Phacelia minor A. C. Sanders 2005-4-22 29606 Riverside Gavilan Hills: Gavilan Plateau ca. 0.75 air mi. SE of summit of Gavilan Peak. 625 Comment
  SD4090  Phacelia minor Fidella G. Woodcock 1926-3-15 Riverside Palm Springs (mak 7/07) Comment
  UC1392919  Phacelia minor R. F. Hoover 1969-4-13 11226 Riverside 7 mi nw San Jacinto (bank above road) Comment
  UC218087  Phacelia minor P. A. Munz and I. M. Johnston 1922-5-19 5356 Riverside 5 mi ne Murietta 457 Comment
  UCR167818  Phacelia minor A. C. Sanders 2005-4-21 29578 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  UCR250876  Phacelia minor S. J. Myers, Jennifer Tobin, Michelle Tobin 2013-3-13 1041 Riverside Lakeview Mountains, along powerline access road NE of Juniper Flats Rd. 649 Comment
  SEINET3141298  Phacelia pedicellata R. W. Spellenberg 2001-4-26 13217 Riverside 30 air km NE of Mecca in feeder canton to Cottonwood Canyon 800 Comment
  SEINET3091923 Image available Phacelia ramosissima Scott White 1991-5-10 91 -130 Riverside Hwy 79, immediately W of U. S. Forest Service Campground at Dripping Springs. Comment
  RSA74706  Phacelia rotundifolia F. W. Peirson 1919-4-13 4125 Riverside Alkali Canyon, eastward from Palm Canyon; Colorado Desert. Comment
  RSA779695  Phacelia rotundifolia Duncan S. Bell 2010-4-2 706 Riverside Arica Mountains: collecting along the mountains ridgeline, approximately 0.75 air mile north of summit. 592 Comment
  UCR162053  Phacelia tanacetifolia T. B. Salvato 2003-4-15 175 Riverside Box Springs Mtns, University of California, Riverside. Road leading to Botanic Garden 396 Comment
  UCR116474  Phalaris paradoxa A. C. Sanders, T. B. Salvato 2001-5-25 24374 Riverside San Jacinto Valley, west end of Hemet-Ryan airport runway, 50-200 m east of Warren Rd. and 100-200 m north of Stetson Ave. 457 Comment
  UCR167933  Phalaris paradoxa T. B. Salvato, Gregg Miller 2005-6-3 1361 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River c. 2.5 mi SSW of Perris, 1.5 mi downstream of Goetz Road where the river leaves the Perris Plain and enters the hill area above Railroad Canyon 427 Comment
  SD181475  Pholistoma auritum Scott D. White, Pam DeVries 2000-4-25 7725 Riverside Temescal Valley, eastern foothills of Santa Ana Mountains just above citrus groves; Corona South [quad]. 412 Comment
  RSA0043161  Pholistoma auritum var. auritum Scott D. White, Justin M. Wood 2008-3-25 11784 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  RSA132747  Phoradendron californicum Del Wiens 1953-12-5 869 Riverside Near junction of road from south end of Joshua Tree Nat. Mon. and U.S. 60 and 70. 152 Comment
  RSA420769  Phoradendron californicum Anstruther Davidson 1921-04 s.n. Riverside Palm Spring Comment
  RSA420785  Phoradendron californicum Elbert Benjamine 1929-4-6 143 Riverside Box Canyon, Coachella Valley, Colorado Desert. Comment
  UCD102017  Phoradendron californicum L. S. Rose 1935-12-19 s.n. Riverside Palm Springs, Colorado Desert. 138 Comment
  UCR196346  Phoradendron californicum Naomi Fraga, Lisa Rojas 2005-2-10 1413 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 502 Comment
  UCR228864  Phoradendron californicum Jim Andre 2011-2-9 15909 Riverside Sonoran (Colorado) Desert, Mecca Hills, along Box Canyon Road at upper end of gorge, c. 6 mi south southeast of the junction with Hwy I-10, c. 12 mi west of Chiriaco Summit 284 Comment
  UCR48550  Phoradendron californicum J. Glazner 1985-3-25 s.n. Riverside Sonoran (Colorado) Desert, Morongo Canyon, 5 mi. NW of Desert Hot Springs and just west of the Hwy 62-Indian Ave. junction 610 Comment
  CAS-BOT-BC260909  Phragmites australis S. B. Parish 1912-7-3 8068 Riverside Salton Bridge near Durmid Comment
  JEPS8981  Physalis crassifolia Mary Beal 1941-4-6 860 Riverside Painted Canyon Mojave Desert, Mecca Hills, Coachella Valley (Coachella Valley) Comment
  RSA781822  Physalis crassifolia Duncan S. Bell 2011-12-30 3042 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
  UCR167460  Physalis crassifolia John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  CAS-BOT-BC78592  Pinus flexilis Carl B. Wolf 1932-8-5 3971 Riverside San Jacinto Mts. Slopes of San Jacinto Peak, along trail above [round valley] Round Valley 2926 Comment
  LA6081  Pinus flexilis Carl Epling; 1931-10-3 sn Riverside San Jacinto Mountains, Tauquitz [Tahquitz] Peak 2590 Comment
  UCSB74  Pinus lambertiana Haller, John 1950-5-20 Riverside San Jacinto Mtns., upper Strawberry Valley, parking area at foot of San Jacinto Peak trail 1767 Comment
  RSA0048411  Pinus lambertiana Mike Thornburg 1977-5-29 s.n. Riverside San Jacinto National Forest, Saddle Junction. 2133 Comment
  CAS-BOT-BC79053  Pinus ponderosa H. E. McMinn 1926-7-2 1500 Riverside Tahquitz Peak Trail - San Jacinto Mts. Comment
  UCSB6941  Pinus ponderosa J. Haller 1950-5-20 6 Riverside PARKING AREA AT FOOT OF SAN JACINTO PEAK TRAIL UPPER STRAWBERRY VALLEY 1767 Comment
  SJSU1297  Pinus quadrifolia M. L. Seibert 1952-9-6 Riverside near State Hwy 74 c. 12 mi E of Anza in Santa Rosa Indian Reservation Comment
  POM98009  Pinus quadrifolia E. C. Jaeger 1926-3-27 s.n. Riverside Upper end of Horse Canon, Santa Rosa Mountains. Comment
  SEINET10530818  Pinus quadrifolia David B. Dunn, L. S. McClung 1939-10-22 Dunn UMO 46551 Riverside Native tree in the San Jacinto Mts. of southern Calif. in Pinyon-Juniper woodland. Along the Palms to Pines Hwy. 1829 Comment
  RSA790651  Plagiobothrys arizonicus A. C. Sanders, John Green 2012-3-20 39975 Riverside Peninsular Range; Gavilan Hills Area: hills east of Lake Elsinore, along Hwy 74 near Meadowbrook Ave. 512 Comment
  SBBG119105  Plagiobothrys arizonicus W. L. Halvorson 1977-3-13 77 -178 Riverside near Temecula Comment
  SEINET3084145 Image available Plagiobothrys arizonicus B. Pitzer, D. Charlton 1986-4-20 111 Riverside Bajada W of Mescal Range, and ca. 6.7 miles SE of I-15 along Cima Road, ca. 1.0 miles N of Cima Road on an unnamed dirt road. Comment
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Aug 6 2013
  CLARK-A1528-2259  Plagiobothrys californicus John C. Roos 1952-2-29 5368 Riverside Reche Canyon 457 Comment
  JEPS68030  Plagiobothrys canescens W. L. Jepson 1906-5-27 1474 Riverside Coahuilla Valley Comment
  UCR154834  Plagiobothrys canescens A. C. Sanders, Kelly Volansky 2005-3-17 29236 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
  UCR225738  Plagiobothrys canescens A. C. Sanders, T. B. Salvato 2011-3-29 38886 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor between Byers St. at west end of McLaughlin Rd. and Wheat St. 447 Comment
  UCR102161  Plagiobothrys collinus Scott D. White 1997-2-28 4727 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  UC480645  Plagiobothrys collinus var. fulvescens Philip A. Munz 1927-3-21 10856 Riverside Anza, San Carlos Pass 1371 Comment
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May 30 2011
  UCR241853  Plagiobothrys collinus var. fulvescens A. C. Sanders, Timothy W. Chumley 2013-4-3 40767 Riverside Peninsular Range, Temescal Canyon south of Horsethief Canyon Rd. off the west shoulder of I-15 Fwy, SE of Corona (Lee) Lake 378 Comment
  UCR260601  Plagiobothrys collinus var. fulvescens A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-1 41544 Riverside Peninsular Range, Eastern Foot of Santa Ana Mtns., Temescal Canyon, south side of Indian Truck Trail along Temescal Canyon Road 349 Comment
  HSC78736  Plagiobothrys fulvus A. C. Sanders, T. Glenn 1983-4-17 3736 Riverside Mesa de Colorado, Santa Ana Mtns., 5 mi. SW of Murrieta 612 Comment
  SEINET2445416  Plagiobothrys glomeratus Daphne K. Christopher, Hannah Stevens 2003-4-3 83 Riverside Uc Riverside. Motte Rimrock Reserve. Off Hairstreak Trail. 536 Comment
  SD262235  Plagiobothrys leptocladus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317 23 Riverside Elsinore Trough: Periodic eastern shoreline of Lake Elsinore (e.g. 1994), in the City of Lake Elsinore, A+- at the borderline with the Sedco Hills Neighborhood of the City of Wildomar, in open space along west side of Mission Trail at Lewis St. 387 Comment
  UC219101  Plagiobothrys leptocladus P. A. Munz 1922-4-29 5068 Riverside 1/2 mi s Lake Elsinore 381 Comment
  UCR117389  Plagiobothrys leptocladus A. C. Sanders, T. B. Salvato 2001-5-25 24389 Riverside San Jacinto Valley, west edge of Hemet, north side of Hwy 74 (Florida Ave.) at Warren Rd. 457 Comment
  UCR241410  Plagiobothrys leptocladus T. B. Salvato, Matt Malle, Tom Sullivan 2013-3-27 7442 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 Comment
  RSA660451  Plantago elongata subsp. pentasperma A. C. Sanders, K. C. Rose 1998-5-21 21862 Riverside Hemet: alkaline flats west of town, E of the canal, S of Hwy 74 (Florida) and ca. 1/4 mi. W of Warren Rd. 457 Comment
  RSA524609  Plantago erecta Steve Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3932 Riverside Vail Lake area, summit of Big Oak Mtn, N. of lake. 793 Comment
  RSA563922  Plantago erecta A. C. Sanders 1993-4-1 13663 Riverside Western Edge of Hemet, 14 acre parcel at NE corner of intersection of Myers and Devonshire Ave., 3/4 mi. NE of intersection of Florida Ave. (Hwy 74) and Warren Rd. just south of Tres Cerritos. 460 Comment
  RSA769650  Plantago erecta Duncan S. Bell, Naomi Fraga 2010-4-22 851 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.2 air miles southeast of junction of Highway 74 and forest service road 5S15. 771 Comment
  UCR171968  Plantago erecta 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
  UCR266780  Plantago erecta Mitch Provance, Matt Amalong 2015-3-25 315- 26 Riverside Paloma Valley, Murrieta, old Clydesdale horse ranch 0.4-0.6 miles S of Keller Rd., along unmarked dirt portion of Menifee Rd. 450 Comment
  UCR106736  Plantago lanceolata John Wear, N. Moorhatch 1996-9-20 s.n. Riverside San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  OBI33514  Plantago major Becky Brooks 1973-5-26 Riverside Corona, E side of third irrigation pond app 250 yds N Ontario hwy and 100 yds E of Compton Ave- found along bank Comment
  UCR201605  Plantago major Justin M. Wood 2008-11-17 226 Riverside Southwest Perris Basin, Temecula - Murrieta Creek, downstream of 1st Street bridge 305 Comment
  JEPS6883  Plantago ovata Aven Nelson, Ruth A. Nelson 1939-3-22 3213 Riverside Palm Springs Area Comment
  OBI36036  Plantago ovata David J. Keil 1976-12-12 11917 Riverside Along I-10, 37 mi E of Chiriaco Summit Comment
  UC888393  Plantago ovata Carl B. Wolf 1932-4-27 Riverside 5 mi e Desert Center (n base of Chuckwalla Mts.); Colorado Desert, Chuckwalla Mts. 152 Comment
  UCR214427  Plantago ovata A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37497 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  POM250486  Platanthera leucostachys I. W. Clokey, E. G. Anderson 1935-8-21 6561 Riverside Fuller's Creek, San Jacinto Mountains 1500 Comment
  RSA561508  Platanus racemosa Steve Boyd, Tim S. Ross, D. Bramlet 1992-9-9 7666 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Almos Road (7S04) and the confluence of Los Almos Creek,, up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  UCR270186  Platanus racemosa A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42409 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site 488 Comment
  UC167975  Platystemon californicus Katharine Brandegee and Charlotte M. Wilder May 12 1905-May 17 1905 Riverside Wilders near Riverside; near Riverside Comment
  UCR103918  Platystemon californicus B. G. Pitzer 1997-4-11 3114 Riverside Lakeview Mtns, Pulsar View Road (dirt), at sharp turn in road c. 1 mi. (air) NE of Juniper Flat Road, and c. 3/4 -1 mi. by road from the base of the hills. C. 3/4 mi. (airline) SE of Mt. Rudolph (measured from BM 'Nelson') 610 Comment
  UCR162282  Platystemon californicus 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
  RSA0013229  Pleuraphis rigida April Garbat, Sarah De Groot 2013-4-9 45 Riverside Blythe-Rice Rd at a wash at the bottom of Rice Valley, 1.9 mi S of Hwy 62. 243 Comment
  RSA342565  Pleuraphis rigida R. F. Thorne, WA Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54055 Riverside Sandy bench along Whitewater River, E of bridge and levee and below W-facing bluff. Comment
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Apr 25 2011
  RSA663857  Pleuraphis rigida C. R. Annable 1995-3-16 2294 Riverside Ca. 13 km NE of Desert center on Hwy 177., 47 deg 47'N, 115 deg 18'W. Comment
  RSA6624  Pleurocoronis pluriseta B. D. Stark 1933-5-13 4983 Riverside Andreas Canyon. 762 Comment
  UC35681  Pluchea odorata var. odorata E. G. Koethen 1897-10-16 A Riverside w Riverside Comment
  SD193039  Pluchea sericea Scott D. White, Angelia Carey 2004-6-4 10482 Riverside San Jacinto Mountain foothills: San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence. 502 Comment
  SD229104  Pluchea sericea Dick Schwenkmeyer 2012-11-6 881 Riverside West fork of Palm Canyon, Agua Caliente Indian Reservation, 4.7 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 227 Comment
  UCD134946  Pluchea sericea A. C. Sanders 1997-3-19 20033 Riverside Lake Skinner area: S foot of Bachelor Mountain, across the northern arm of the lake from the boat ramp, from dirt track down to lakeshore. 457 Comment
  POM147498  Poa annua F. M. Reed 1928-4-18 5858 Riverside Sand in San Luis Rey River, Vail Ranch. Comment
  RSA179491  Poa bulbosa E. W. Lathrop 1960-4-15 4737 Riverside 14 miles W of Murrieta. Comment
  UCR98342  Poa secunda A. C. Sanders, G. Helmkamp 1997-3-15 19946 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 488 Comment
  RSA612932  Poa secunda D. L. Banks 1997-3-29 1645 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. An area of native grassland along the Magee Truck Trail at the southern extremity of the Reservation just before the Riverside / San Diego Co. line border. 463 Comment
  RSA680634  Poa secunda var. secunda Scott D. White 2001-3-27 s.n. Riverside Moreno Valley area. About 1 air mile East-Northeast of the jtn State Rt. 60 w/ theodore St. Adjacent to County Landfill. 610 Comment
  UC219083  Polygonum bistortoides P. A. Munz 1922-7-6 6001 Riverside Tahquitz Valley San Jacinto Mts. 2194 Comment
  UCR156302  Polygonum convolvulus T. B. Salvato, Kent Beaman 2005-5-16 855 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
  UCR220308  Polygonum lapathifolium Bill Wagner 2005-10-7 s.n. Riverside Peninsular Range; Gavilan Hills Region, Cajalco Flood Control Basin site (proposed, since constructed), at NE corner of El Sobrante Rd. and Cajalco Rd. 447 Comment
  RSA701407  Polypodium californicum Steve Boyd, Aydee Virgen 2004-4-13 10894 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UC70779  Polypogon australis H. M. Hall June 1900 1384 Riverside vicinity Riverside 304 Comment
  UCD91193  Polypogon maritimus K. Esau 1935-6-15 s.n. Riverside Hemet Valley. Comment
  UC573864  Polypogon monspeliensis H. S. Yates 1937-6-27 6706 Riverside near Relief Hot Springs; San Jacinto Quadrangle, near Relief Hot Springs Comment
  UCR2723  Polypogon monspeliensis F. M. Reed 1906-5-19 960 Riverside Riverside, Rubidoux Ave. near Brockton Ave. 250 Comment
  RSA802251  Polystichum imbricans Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 4997 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  IRVC166  Polystichum imbricans subsp. curtum Pat Rolfe 1965-4-24 HS 554 Riverside Lake Elsinore. Southern Coastal Comment
  IRVC173  Polystichum imbricans subsp. curtum Linda Stilgenbauer 1965-4-24 HS 558 Riverside Highway 80. Comment
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May 5 2014
  LA204817  Polystichum kruckebergii Lawrence L. Kiefer; 1966-7-24 2281 Riverside San Jacinto Mountains, 0.25 mi NW of the summit of Tahquitz Canyon 2590 Comment
  JOTR30767  Populus fremontii subsp. fremontii La Doux, Tasha, Mike Bell, Katy Matthews 2007-4-4 1882 Riverside Joshua Tree National Park. Little San Bernardino Mountains: (Stop 5) near Quail Springs, Smith Water Canyon 1161 Comment
  SD157479  Populus trichocarpa Bill Knerr 1998-7-1 Riverside Old Hwy 395, 9 miles south of junction with Hwy 76, east-facing road cut Comment
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Sep 7 2013
  LA102386  Porophyllum gracile John C. Roos; 1950-5-6 4789 Riverside Santa Ana Mountains, Tin Mine Canyon 609 Comment
  UCR29851  Porophyllum gracile George K. Helmkamp 1983-3-24 383- 5 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at junction of the Graham Pass and Chuckwalla Springs Roads 229 Comment
  UCR34954  Porophyllum gracile L. B. Ziegler 1967-6-8 154 Riverside San Jacinto Mtns., Pinyon Flats 1223 Comment
  RSA769631  Potamogeton E. W. Lathrop 1969-6-5 7084 Riverside 8 miles west of Murrieta, on the Main Divide Truck Trail between Tenaja Rd. and Los Alamos Canyon Comment
  UC123556  Potamogeton foliosus F. M. Reed 1906-7-31 1154 Riverside Riverside and vicinity Riverside Comment
  RSA0130690  Potamogeton pectinatus S. B. Bryant 1942-6-18 11277 Riverside Lake Norco Comment
  UCR201425  Potentilla glandulosa subsp. reflexa Scott D. White, Justin M. Wood 2008-6-17 12156 Riverside San Jacinto Mountains, south of Hwy 79 near Keen Camp Summit 1463 Comment
  RSA0013883  Proboscidea althaeifolia Justin M. Wood, D. M. Ray 2010-11-1 3070 Riverside Mojave Desert: NE side of SR-177, approx. 1 km NE of Desert Center. 176 Comment
  RSA0013887  Proboscidea althaeifolia R. W. Spjut 2007-10-12 16155 Riverside Sonoran Desert. BLM: Corn Spring Road, frontage road to I-10, 23 miles W of Blythe 150 Comment
  UC1129888  Prosopis glandulosa var. torreyana H. S. Yates 1937-6-28 6728 Riverside Palm Springs 137 Comment
  SEINET2442086  Prosopis juliflora Fred D. Johnson 1962-1-2 6203 Riverside Tahquitz Canyon near Palm Springs. 140 Comment
  CAS-BOT-BC216518  Prosopis pubescens F. A. Thackery 1928-5-16 377 Riverside Indio Comment
  UC668374  Prunus fasciculata Annie M. Alexander and Louise Kellogg 1941-4-24 2075 Riverside Morongo Valley, Dry Morongo Creek Dry Morongo Creek; Morongo Valley, Dry Morongo Creek 640 Comment
  LA208145  Prunus fremontii Harlan Lewis; 1938-4-10 sn Riverside Pines to Palms Hwy 853 Comment
  SD73396  Prunus fremontii Nancy Ryan Zabriskie, Walter Zabriskie 1969-4-2 180 Riverside Upper slopes northwest of end of Andreas Canyon Club Road 487 Comment
  SEINET3077290 Image available Prunus fremontii John Adams 1966-2-3 385 Riverside San Jacinto Mountains, 3 mi elow Pinyon Flats. 1067 Comment
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Aug 3 2013
  RSA454142  Prunus ilicifolia Gale Sphon 1955-5-21 s.n. Riverside 3 miles south of Banning. Comment
  CLARK-A1528-2198  Psathyrotes ramosissima John C. Roos 1946-12-7 3180 Riverside Pushawalla Wash Comment
  CLARK-A1528-285  Psathyrotes ramosissima Markell Kohn 1959-2-3 Riverside Desert Center Comment
  UC1595718  Psathyrotes ramosissima W. Wisura, J. Dolan, and M. Wall 1992-3-24 4622 Riverside 6.0 mi ne Mecca (on Box Canyon Rd.) Comment
  UCR114838  Pseudognaphalium biolettii Mitch Provance 1998-2-13 10 Riverside Jurupa Mountains, Pyrite Canyon, c. 0.3 km east of peak 1768, and c. 0.3 km south of Riv. / S.B. county line. 442 Comment
  UCR174310  Pseudognaphalium biolettii A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32642 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  RSA737431  Psilocarphus brevissimus var. brevissimus Justin M. Wood 2008-8-31 125 Riverside Romoland, 1/4 mile S of Ethanac Rd. between San Jacinto Rd. and Palomar Rd. just south of railroad tracks. 442 Comment
  JEPS35436  Psilostrophe cooperi W. L. Jepson 1928-4-25 12581 Riverside Cottonwood Springs Colorado Mts., Eagle Mts. 731 Comment
  SBBG68078  Psorothamnus arborescens Anstruther Davidson 1895-1 Riverside Palm Springs Comment
  CAS-BOT-BC353587  Psorothamnus arborescens var. simplicifolius Roxana S. Ferris 1918-6-13 955 Riverside 2 miles east of Banning Comment
  JEPS41715  Psorothamnus arborescens var. simplicifolius W. L. Jepson 1928-4-25 12625 Riverside W side Pinto Mountains (White Tank) Comment
  CAS-BOT-BC353640  Psorothamnus emoryi Blanche Trask 1916-4-15 s.n. Riverside flats above Salton Sea Comment
  POM275393  Psorothamnus emoryi L. R. Abrams 1926-3-26 11098 Riverside between Edom and Garnet east of San Gorgonio pass. Comment
  RSA1195  Psorothamnus emoryi B. D. Stark 1930-4-2 784 Riverside Indio. 0 Comment
  SD37837  Psorothamnus emoryi var. emoryi Edith A. Purer 1935-4-21 6463 Riverside In colorado Desert near Palm Springs Comment
  CAS-BOT-BC340918  Psorothamnus schottii Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  JEPS41645  Psorothamnus schottii I. W. Clokey, B. C. Templeton 1930-4-9 4688 Riverside North of Palm Springs, Colorado Desert 51 Comment
  RSA66970  Psorothamnus schottii Marcus E. Jones 1924-2-26 s.n. Riverside Shavers Well. Comment
  UC1329933  Psorothamnus schottii James E. Cole 1941-4-16 602 Riverside Southern edge of Riverside County Comment
  UC159350  Psorothamnus schottii E. E. Schellenger 1911-4-24 Riverside Colorado Desert, South of Palm Springs Comment
  UCR279471  Psorothamnus schottii A. C. Sanders, Jim Malusa 2017-3-29 43192 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 2.8 km south of the confluence of Red Canyon and Salt Creek 460 Comment
  UCR30050  Psorothamnus schottii A. C. Sanders 1983-4-24 3800 Riverside Sonoran (Colorado) Desert, alluvial fan at the NW end of Orocopia Mountains along Hwy 195, c. 3 miles NE of Shavers Well and 2.7 miles NE of the point where the road enters Box Canyon 367 Comment
  UCSB18154  Psorothamnus schottii Easley, Bill 1964-5-10 Riverside State Highway 71, 6.8 miles S of Palm Desert 518 Comment
  CAS-BOT-BC340947  Psorothamnus spinosus G. P. Rixford 1911-4-1 s.n. Riverside 10 miles S.E. of Mecca 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
  UC63824  Pterospora andromedea H. M. Hall 1901-6 2467 Riverside Tauquitz Valley San Jacinto Mountains 2438 Comment
  CAS-BOT-BC421256  Pterostegia drymarioides Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  UC534897  Pterostegia drymarioides Susan G. Stokes 1934-7-1 313 Riverside San Jacinto Mt. 1066 Comment
  VVC419  Pterostegia drymarioides A. C. Sanders, J. Mac 1997-5-4 20630 Riverside San Jacinto Mountains, N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment
  RSA667366  Punica granatum A. C. Sanders, Mark A. Elvin, Vipul Joshi 2002-4-26 25020 Riverside The Badlands: canyon above Eden Hot Springs. 549 Comment
  UCR95483  Purshia stansburyana Steve Boyd, Lorrae Fuentes 1996-5-2 8764 Riverside Peninsular Range; Santa Ana Mtns., Along the Main Divide Road c. 3.5 mi NW of Morrell Potrero Comment
  UC72989  Purshia tridentata var. tridentata M. F. Gilman 1904-1 36 Riverside Banning Comment
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Mar 13 2011
  UCD170875  Quercus Jeremiah George 2012-8-13 s.n. Riverside San Gorgonio Pass/Moreno Badlands, west of Beaumont, just east of junction of 60 Fwy and Jackrabbit Trail, off frontage road dead end. 716 Comment
  RSA0028173  Quercus John F. Emmel 1988-5-21 1089 Riverside San Jacinto Mts.; Thomas Mountain Road at Spillway Canyon on north slope of Thomas Mountain, 1.9 road miles from Hwy. 74. 1433 Comment
  UC5588  Quercus X morehus H. M. Hall Aug 1901 2643 Riverside vicinity Chalk Hill; San Jacinto Mts. 1402 Comment
  RSA50466  Quercus X munzii P. A. Munz 1946-10-21 11590 Riverside Live Oak Tank, Joshua Tree National Monument. 1220 Comment
  CAS-BOT-BC61818  Quercus agrifolia Peter Raven 1958-5-18 12982 Riverside 3.0 miles east of junction to Aguanga, San Jacinto Mountains Comment
  CAS-BOT-BC61819  Quercus agrifolia Peter Raven; Sidney R. Snow 1956-6-30 9540 Riverside Dripping Springs Guard Station, Temecula River Comment
  UCR90959  Quercus agrifolia Scott D. White 1996-3-31 3874 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 463 Comment
  SD187417  Quercus agrifolia var. oxyadenia R. E. Riefner Jr. 2005-8-7 05 594 Riverside San Jacinto Mountains, San Bernardino National Forest, 0.7 miles west of Santa Rosa Mountain Rd. on SR 74 near Vandventer Flat 1367 Comment
  UCR262390  Quercus agrifolia var. oxyadenia Tom Scott 2011-1 2011- 576 Riverside San Bernardino Mtns., south side of mountains along Mias Canyon Rd., c. 0.5 mile north of Bluff St., north of Banning 863 Comment
  UCR100773  Quercus berberidifolia A. C. Sanders, T. Tennant 1997-11-14 21602 Riverside San Bernardino Mtns., Morongo Indian Reservation, sag pond at SE end of Burro Flats 1110 Comment
  UCR241939  Quercus berberidifolia A. C. Sanders, Timothy W. Chumley 2013-4-5 40776 Riverside Peninsular Range, Temescal Canyon, east of Glen Ivy near where Temescal Canyon Rd. passes under I-15 318 Comment
  UCR273001  Quercus berberidifolia Mitch Provance 2012-9-13 912- 01 Riverside Badlands of Western Riverside County, Potrero Creek, S end of City of Beaumont, E side of Highland Springs Rd., +- 1 mi. N of entrance to CDFG Potrero Reserve. 744 Comment
  RSA0124382  Quercus chrysolepis Duncan S. Bell 2016-4-16 9336 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  UC5523  Quercus chrysolepis H. M. Hall 1901-6 Riverside near Tauquitz; San Jacinto Mountains 2133 Comment
  UCD142136  Quercus cornelius-mulleri Mike Lahti 2012-4-5 PDR# 159032 1 Riverside Anza. 1219 Comment
  CAS-BOT-BC86545  Quercus dumosa C. L. Hitchcock; C. V. Muhlick 1964-3-17 23102 Riverside 10 miles N of Pala, on road to Elsinore Comment
  RSA39266  Quercus engelmannii P. A. Munz 1946-10-18 11559 Riverside On grade 0.5 mile south of Sage 716 Comment
  RSA650069  Quercus engelmannii Marion P. Harthill 1976-5-6 s.n. Riverside Rancho California. Comment
  UCR60995  Quercus engelmannii B. G. Pitzer 1988-6-10 1054 Riverside Santa Ana Mtns., Rancho California area, Carancho Road near intersection with El Prado Road; c. 0.5 - 1 mi. SE of De Luz Road Comment
  UCSB1190  Quercus kelloggii White, Arthur 1960-5-14 Riverside 14.2 mi. S of Hwy. 70 & 99 on the road between Banning and Idyllwild 1676 Comment
  POM262901  Quercus palmeri J. C. Roos 1941-5-9 120 Riverside Near summit of Pines to Palms Road Comment
  UC848228  Quercus palmeri P. A. Munz and I. M. Johnston 1922-5-21 5513 Riverside Head of Hemet Valley San Jacinto Mts. 1524 Comment
  UCSB1145  Quercus palmeri Haller, John 1960-5-15 Riverside Vandeventer Flat, 3.3 mi. E of the junc. of the road to Anza on Calif. 74 1371 Comment
  SEINET10678265  Quercus turbinella subsp. turbinella Karen M. Meyer, Andrew Townesmith; Tracy Scott 2007-3-19 Meyer 23 Riverside San Bernardino National Forest. San Jacinto Ranger District, Sawmill Trailhead, about 0.3 mi. along Pinon Flats Transfer Station Rd., off of Route 74. 1232 Comment
  CAS-BOT-BC104993  Quercus wislizeni Louis C. Wheeler 1931-10-4 244 Riverside 2 mi N Idyllwild, San Jacinto Mts. 1798 Comment
  RSA262111  Quercus wislizeni var. frutescens E. W. Lathrop 1968-5-8 7025 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  RSA651188  Rafinesquia Marion P. Harthill 1971-3-19 s.n. Riverside Palm Desert. Comment
  HSC92902  Rafinesquia californica Karen Kirtland 1993-4-17 Riverside Hills N of Temecula Comment
  RSA342532  Rafinesquia californica R. F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54074 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  RSA525415  Rafinesquia californica Steve Boyd, Laurel Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4523 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at junction of Highway R3 and Powerline Road, NE of the lake. Comment
  SEINET273103  Rafinesquia californica G. K. Helmkamp, A. C. Sanders 1997-3-15 1486 Riverside Skinner Lake 488 Comment
  RSA774899  Rafinesquia neomexicana Duncan S. Bell, Amber Swanson 2011-2-18 2028 Riverside Coachella Valley area; Edom Hill; along Edom Hill Road near dump; 0.6 road miles from junction of Varner Road and Edom Hill Road. 259 Comment
  UCR272449  Rafinesquia neomexicana Cheryl Sevilla, Sarah J. De Groot 2015-2-18 014 Riverside San Bernardino Mountains, San Gorgonio Wilderness Area, the plain to the east of Mission Creek, 0.4 miles northwest of the Stone House 783 Comment
  UC9432  Ranunculus eschscholtzii var. oxynotus H. M. Hall July, 1901 2414 Riverside San Jacinto Mountains; near the summit 3291 Comment
  UCR248003  Ranunculus muricatus O. F. Clarke 2010-4-16 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UCR97753  Rhamnus alaternus A. C. Sanders 1997-3-1 19726 Riverside Riverside: E side of University of California campus. 335 Comment
  UCR264076  Rhamnus californica S. J. Myers, Vesta A. Myers, Bill Hopson 2015-1-2 1078 Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon, upper part of canyon, near Corona 732 Comment
  RSA543204  Rhamnus crocea Steve Boyd 1991-3-17 5481 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  UCR102732  Rhamnus crocea B. G. Pitzer 1998-1-25 3422 Riverside Lakeview Mtns., Reinhardt Canyon, Maze Stone County Park, at N terminus of California Avenue 610 Comment
  UCR230210  Rhamnus crocea A. C. Sanders 2011-4-6 38976 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  HSC87045  Rhamnus ilicifolia David Charlton 1988-5-21 1909 Riverside Thomas Mtn. Rd., W of Garner Valley and S of Lake Hemet on Hwy. 74 1677 Comment
  UC1979622  Rhamnus ilicifolia D. L Banks, Steve Boyd 1995-3-16 0096 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, Arroyo Seco drainage. Comment
  UCR241484  Rhamnus ilicifolia Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 236 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  RSA496734  Rhamnus ilicifolia B. Pitzer, A. C. Sanders 1987-4-21 494 Riverside Box Springs Mtns, near southernmost radio towers 793 Comment
  JOTR32193  Rhus aromatica Harding, Mitzi & Herskovits, Tasya, D. Oquendo 2011-5-5 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; side canyon of Pushawalla Canyon; Steep rocky/gravelly drainage near elevated seep, and steep gravelly hills surrounding it (Stop 4) 1371 Comment
  UCR120945  Rhus ovata A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24918 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCR41364  Rhus ovata N. M. Fellows 1985-3-16 103 Riverside San Jacinto Mtns., Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mts, 1 mile west of Snow Creek Village 489 Comment
  RSA472816  Ribes cereum George R. Johnston 1928-9-3 s.n. Riverside Mt. San Jacinto summit. 3294 Comment
  RSA476153  Ribes cereum Anstruther Davidson 1892-7-4 s.n. Riverside San Jacinto. Comment
  UC455599  Ribes cereum I. J. Condit 1910-6-23 Riverside San Jacinto Mt. 2438 Comment
  RSA3121  Ribes indecorum Carl B. Wolf 1932-2-11 2650 Riverside Hidden Canyon 5 mi. W. of Corona at base of Santa Ana Mts. 405 Comment
  UCR77722  Ribes indecorum Steve Boyd 1991-3-17 5486 Riverside Jurupa Hills, north of Glen Avon. S flank, just west of Soto St to summit east of Pyrite Cyn. Comment
  LA205551  Ribes nevadense A. H. Lange; 1951-5-26 sn Riverside San Jacinto Mountains, Herky Creek Comment
  CAS-BOT-BC173857  Ribes velutinum Samuel B. Parish 1894-2-25 s.n. Riverside Reche [Canon] Canyon Comment
  UCR141678  Romneya coulteri June Latting 1980-5-20 s.n. Riverside Peninsular Range, Santa Ana Mountains, Skyline Drive in Tin Mine Canyon, south of Sierra Peak 671 Comment
  UCR35177  Rosa californica L. B. Ziegler 1966-8-9 76 Riverside San Jacinto Mtns., Hemet (Thomas-Garner) Valley 1418 Comment
  RSA450256  Rubus parviflorus J. C. Roos 1965-7-3 s.n. Riverside Dark Canyon, San jacinto Mtns. Comment
  UC1330000  Rumex crispus James E. Cole 1941-5-27 793 Riverside Barker Dam Joshua Tree National Monument 1310 Comment
  SEINET3245820  Rumex hymenosepalus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-1 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. 363 Comment
  UCR86651  Rumex hymenosepalus A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16264 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
  POM153389  Rumex maritimus P. A. Munz, I. M. Johnston 1928-9-12 11259 Riverside Temescal Canyon, Lee's Lake. Comment
  CAS-BOT-BC433961  Rumex salicifolius Scott D. White 1996-8-1 4430 Riverside San Jacinto Mts. Idyllwild Area: Hwy 243 at Deer Springs trailhead and adjacent area. 1830 Comment
  RSA5232  Sagina saginoides C. B. Wolf 1932-4-5 3958 -A Riverside 1st really wet meadow on trail from Tahquitz Valley to San Jacinto Peak. 2744 Comment
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Aug 11 2012
  RSA0010966  Salix exigua var. exigua Mary F. Spencer 1918-4-7 812 Riverside Palm Springs. 168 Comment
  LA208656  Salix gooddingii Carl Epling; 1927-3-27 sn Riverside Thousand Palms Comment
  LA208667  Salix gooddingii Carl W. Sharsmith; 1932-3-20 14 Riverside Santa Rosa Mountain, Diablo Canyon, foot of E slope of mountains; 3 m above canyon mouth, near Clary's Coral Reef Ranch Comment
  CAS-BOT-BC108215  Salix hindsiana Mrs. H. P. Bracelin 1932-4-12 599 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  LA208713  Salix jepsonii E. McClintock; 1938-4-10 sn Riverside Humphries Reservoir, Soboba Indian Reservation, San Jacinto Comment
  UC2015574  Salix laevigata Scott D. White 1996-2-18 3811 Riverside Perris Basin, Double Butte, NW of Winchester. SE-facing slope of W butte and alluvial soil at base. Comment
  UCR121087  Salix laevigata A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24973 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UCR150023  Salix laevigata Scott D. White, Angelia Carey 2004-5-7 10348 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  UCR270592  Salix laevigata John F. Emmel 1999-2-7 1606 Riverside San Jacinto Mountains, foothills at southwest edge of the range, Bautista Canyon, 0.4-0.5 road miles southeast of national forest boundary 723 Comment
  RSA487457  Salix lasiolepis Bill Wagner 1988-3-7 s.n. Riverside Woodcrest area, ca. 6 miles SW of Riverside. NE corner of Hibiscus and Dauchy Streets. 479 Comment
  UC1409163  Salsola paulsenii Philip A. Munz 1973-3-21 18330 Riverside between Indio and Palm Desert (across Highway 111 from Shields Date Gardens); between Indio and Palm Desert Comment
  RSA444940  Salsola tragus H. de Forest 1924-07 s.n. Riverside Cabazon. Comment
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Mar 13 2011
  UCSB1713  Salsola tragus Kamb, Peter 1948-2-1 Riverside Valley in the Jurupa Mts. west of Colton, San Bernardino/Riverside County 304 Comment
  SD67650  Saltugilia australis I. W. Clokey, E. G. Anderson 1935-4-16 6830 Riverside East of Hemet. 600 Comment
  UCR236900  Saltugilia australis Duncan S. Bell, Lucila Reccia 2010-5-5 966 Riverside San Jacinto Mountains, San Bernardino National Forest, Rouse Ridge, c. 1.4 air mi southeast of junction of Hwy 74 and FS Road 5S15 791 Comment
  UCR256740  Saltugilia australis T. B. Salvato, Matthew Malle 2013-4-5 7523 Riverside Perris-Aguanga Basin, Sedco Hills, east-facing slope above the intersection of Green Meadow Way and Beverly Street, c. 5 mi east of Lake Elsinore 579 Comment
  CLARK-A1528-582  Salvia apiana Markell Kohn 1959-4-12 Riverside Riverside Comment
  SD4321  Salvia apiana Fidella G. Woodcock 1928-4-27 Riverside San Jacinto mountain near bridge of S.J. Creek Comment
  UC218133  Salvia apiana P. A. Munz, I. M. Johnston 1922-5-6 5170 Riverside Dry Morongo Wash; ; Morongo Wash Comment
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Aug 18 2010
  UCR193916  Salvia apiana A. C. Sanders, Mitch Provance 2008-7-11 35763 Riverside Peninsular Range; San Jacinto Mtns., 3/4 mi. NE of Mountain Center, c. 1/4 mile NE of Keenwild Fire Station, near road to helipad 1494 Comment
  UCR3010  Salvia apiana Wm. Horn Jr. 1963-4-21 630421- 3 Riverside Riverside, UCR campus, 100 yards south of Agricultural Extension Service Building 305 Comment
  UC2030038  Salvia clevelandii James Henrickson 1979-4-7 17816 Riverside ca. 18 miles NW of Borrego Springs, SE of Terwilliger, in upper Coyote Canyon, north of Fig Tree Canyon. Comment
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Apr 13 2017
  CLARK-A1656-683  Salvia columbariae Lois Ann Scott 1979-3-15 Riverside Mecca 269 Comment
  POM10097  Salvia columbariae Charlotte M. Wilder 1904-4-6 195 Riverside Wilder's Canyon. Comment
  RSA628480  Salvia columbariae A. C. Sanders 1994-5-30 14600 Riverside NNE of Beaumont at Highland Springs, hills N of the end of Bellflower Ave. at Dutton St. 950 Comment
  RSA79161  Salvia columbariae P. A. Munz, P. C. Everett 1952-5-2 16231 Riverside Dry Morongo Wash, n.w. end of Coachella Valley. 457 Comment
  UC25691  Salvia columbariae H. M. Hall May 1899 1139 Riverside Kenworthy; San Jacinto Mountains 1371 Comment
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Mar 25 2011
  RSA637525  Salvia leucophylla Scott D. White 1998-9-4 7101 Riverside Beaumont: Oak Valley Golf Course Flood detention basin along intermittent channel just above (i.e N side) of golf course. 762 Comment
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Jun 8 2020
  RSA543305  Salvia mellifera Steve Boyd 1991-3-17 5491 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  SEINET244787  Salvia mellifera A. C. Sanders, Mark Elvin; Julie M. Vanderwier 2002-4-9 24942 Riverside The Badlands; hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 610 Comment
  CAS-BOT-BC224854  Salvia pachyphylla P. A. Munz; E. K. Balls 1952-8-21 17981 Riverside Vandeventer Flat to Santa Rosa Peak 2072 Comment
  UC25678  Salvia pachyphylla Mr. Hoak 1892-1 Riverside Mt. San Jacinto Comment
  JOTR16733  Salvia vaseyi Vanderspek & Nolte 1964-4-17 s.n. Riverside Joshua Tree National Park. Comment
  RSA0122708  Salvia vaseyi Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9056 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  UCR3325  Salvia vaseyi Anne Brown, C. Brown 1964-4-11 11464- 4 Riverside Santa Rosa Mtns, Palms to Pines Hwy 1067 Comment
  RSA508240  Sambucus mexicana E. W. Lathrop 1977-7-13 7689 Riverside Main Divide Truck. Trail between El Carriso and Santiago Peak, Cleveland National Forest 1734 Comment
  UC889777  Sambucus mexicana P. A. Munz 1922-6-24 5791 Riverside Pipe Creek San Jacinto Mts., Hemet Valley 1402 Comment
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Mar 25 2011
  POM251788  Samolus parviflorus J. C. Roos 1937-6-19 23 Riverside Murrietta Hot Springs. Comment
  UCR56076  Sanicula crassicaulis Ed LaRue 1989-3-30 s.n. Riverside Peninsular Range, Rancho California area: c. 4 mi west of Temecula, with Ave. del Oro as the N boundary 381 Comment
  UCR104630  Sanicula tuberosa D. E. Bramlet 1991-4-30 1979 Riverside Southwestern Riverside County Mulit-Species Reserve (Shipley), Southwestern portion of the Crown Valley-Rawson Canyon region, 6,700 ft. east of Rawson Canyon and 4,200 ft northeast of Black Mt., north facing slope, adjacent to an unnamed drainage ~1,800 ft southeast of the existing access road 689 Comment
  RSA471123  Sarcodes sanguinea R. S. Woglum 1937-5-22 590 -E Riverside Santa Rosa Mountains, near Santa Rosa Indian Reservation. Comment
  RSA606464  Sarcodes sanguinea Jon E. Keeley 1992-7-9 16700 Riverside Above Santa Rosa Cpgrd [Campground], on road to Toro Pk, Santa Rosa Mtns. 2300 Comment
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Jun 3 2012
  UC1004762  Sarcostemma cynanchoides subsp. hartwegii Edmund Jaeger 1939-3-12 Riverside Orocopia Mts. Colorado Desert, Orocopia Mts. 365 Comment
  UC566924  Sarcostemma hirtellum H. L. Mason 1928-3-10 4216 Riverside Hidden Springs Canyon Coachella Mts., Hidden Springs Canyon Comment
  RSA0124390  Schismus arabicus Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8744 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting on the Martinez Slide to the north of Toro Canyon, approximately 5.25 air miles east northeast of the summit of Martinez Mountain. 123 Comment
  RSA562440  Schismus arabicus Steve Boyd, Timothy S. Ross 1992-5-6 7264 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness area. Verdugo Potero, near the Verdugo Trailhead. 732 Comment
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Aug 14 2014
  CLARK-A1528-5533  Schismus barbatus John C. Roos 1951-3-24 5033 Riverside Riverside 396 Comment
  UCR263482  Schismus barbatus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41445 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  UCR97461  Schismus barbatus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19872 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  SEINET9766770 Image available Schoenoplectus americanus Richard Carter 2005-6-25 Riverside Temecula, vic. Via Montezuma crossing of Murrieta Creek, along east bank Murrieta Creek Comment
  RSA155809  Scrophularia californica subsp. floribunda Peter H. Raven 1962-4-29 17486 Riverside Ortega Highway 1 mi. above its east base. 488 Comment
  RSA749692  Scutellaria bolanderi subsp. austromontana A. C. Sanders, Mitch Provance 2008-7-11 35811 Riverside 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 1450 Comment
  UCR193952  Scutellaria bolanderi subsp. austromontana A. C. Sanders 2008-7-25 35893 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  UCR35329  Scutellaria bolanderi subsp. austromontana L. B. Ziegler 1967-8-1 207 Riverside Peninsular Range; San Jacinto Mtns., Upper Herkey Creek area 1524 Comment
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Mar 18 2007
  SEINET9622578 Image available Selaginella bigelovii M. D. Windham, K. Pryer, J. Beck, C. Rothfels, A. Grusz 2008-5-15 3558 Riverside SSE of Palm Springs along unnamed tributary of Palm Canyon. ca. 5.61 km WNW of the summit of Murray Hill. T4S, R4E, Sec. 34. 221 Comment
  UCR41371  Selaginella bigelovii N. M. Fellows 1985-1-5 60 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mtn., 1 mi west of Snow Creek Village 506 Comment
  RSA684101  Selaginella watsonii Joseph Andorfer Ewan 1930-9-1 314 Riverside Summit of San Jacinto Mountain. 3294 Comment
  SDSU1920  Selaginella watsonii Louis C. Wheeler 1931-10-3 456 Riverside Tahquitz Peak, San Jacinto Mts. 2621 Comment
  JOTR36097  Senecio flaccidus var. douglasii La Doux, Tasha, K. Matthews, S. Szabo, B. Truesdell, J. Van Warmerdam 2007-10-4 3374 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Convergence of Lower Covington Flat and Smith Water Canyon (STOP3). 1362 Comment
  SBBG62720  Senecio mohavensis M. N. Ackley 1928-3-31 302 Riverside Hidden Spring 304 Comment
  CAS-BOT-BC364529  Senecio vulgaris Edmund C. Jaeger 1921-6-12 s.n. Riverside Fairmont Park, Riverside Comment
  RSA736249  Senecio vulgaris Scott D. White, Justin M. Wood 2008-4-3 11800 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan Property, Alberhill area. 274 Comment
  SEINET3107286  Senna armata Sears 1978-4-12 1184 Riverside 30 mi W of Rice; dirt road N into Cadiz Valley; N of Coxcomb Mountains. 390 Comment
  UCD108484  Senna armata William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  RSA695427  Senna artemisioides Robert Hamilton 2003-2-6 s.n. Riverside Riverside, vacant field on Monroe St. SE of California Ave. 232 Comment
  RSA588598  Sesuvium verrucosum D. L. Banks, S. D. Boyd 1995-12-17 809 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
  UC1713559  Sesuvium verrucosum Miss M. Alice King March, 1893 Riverside Lake Elsinore Comment
  CAS-BOT-BC240117  Setaria adhaerens Malcom A. Nobs; S. Galen Smith 1948-9-3 492 Riverside Imperial Valley. 2 miles north of Indio Comment
  SD126131  Setaria adhaerens A. C. Sanders 1988-11-6 8740 Riverside Coachella Valley, west side of Highway 86, 6.25 miles south of its junction with Highway 111 in Coachella and 3.85 miles north of Valerie Jean, 0.55 mile north of Ave. 60. -10 Comment
  UCR2738  Setaria parviflora F. M. Reed 1906-9-17 1186 Riverside South Coast; San Bernardino Valley, Riverside, roadside at corner of Chicago and Massachusetts Aves. 284 Comment
  SEINET11982177  Sidalcea hickmanii Unknown 1936-1 12817 Riverside Colorado Desert N of Palm Springs Comment
  UCR120956  Sidalcea malviflora A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23880 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  CAS-BOT-BC434383  Sidotheca trilobata Edmund C. Jaeger 1921-6-27 s.n. Riverside Idyllwild-Ken [Keen] Camp Trail. San Jacinto Mts. 1737 Comment
  CAS-BOT-BC434393  Sidotheca trilobata Barbara Ertter; Jeffrey Strachan 1980-5-21 3479 Riverside Santa Rosa Mountain road (Forest Road 7S02) 2.9 miles south of Highway 74 (Pines to Palms Highway) 1676 Comment
  UC1949955  Sidotheca trilobata R. F. Thorne, W. Wisura, D. Mitchener 1982-1 55191 Riverside Peninsular Ranges; Santa Ana Mountains region: Cleveland National Forest, along Main Divide Truck Road. Comment
  UCR178010  Silene antirrhina T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 608 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  SD152886  Silene gallica Steve Boyd, Orlando Mistretta 1992-4-23 7056 Riverside Southern Santa Ana Mountains, along San Mateo Creek from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 245 Comment
  UCR231768  Silene gallica John F. Green 2008-4-21 02- 02 Riverside Peninsular Range, south edge of Perris, drainage way between housing tracts, west of Goetz Rd. and east of Alabaster Loop 450 Comment
  RSA751914  Silene laciniata Scott D. White, Justin M. Wood 2009-5-22 12917 Riverside San Jacinto Mountains: Old Control Road, above Halfway Spring. 1159 Comment
  RSA570548  Silene multinervia Steve Boyd, Chris Frazier 1993-4-24 8007 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 rd. 792 Comment
  RSA6014  Silene verecunda subsp. platyota C. B. Wolf 1932-8-5 3931 Riverside Summit of Devil s Slide Trail from Idyllwild to Tahquitz Valley. 2439 Comment
  UC64150  Silene verecunda subsp. platyota H. M. Hall July, 1901 2550 Riverside Fuller's Mills Mountains San Jacinto Mountains, Fuller's Mills Mountains 2194 Comment
  UCR16676  Silybum marianum Arthur Douglas 1969-5-22 26 Riverside Near Arlington. Below W end of Fremont Street, in vicintiy of Santa Ana River 183 Comment
  JOTR36020  Simmondsia chinensis Harding, Mitzi, T. Herskovits 2012-3-16 227 Riverside Joshua Tree National Park. Eagle Mountains, Cholla Wash Comment
  RSA232961  Simmondsia chinensis D. A. Young 1969-3-28 P- 300 Riverside On Interstate Hwy 10, 6 mi E of Desert Center, at rest stop; N side of hwy. 305 Comment
  RSA339241  Simmondsia chinensis Robert F. Thorne, R. Dahlgren, Gertrud Dahlgren 1979-8-22 53574 Riverside Joshua Tree National Monument: Nolina Rocks near Sheep Pass and sand quarry. 1341 Comment
  SBBG25812  Simmondsia chinensis M. Van Rensselaer 1937-6-23 Riverside Palms to Pines Hwy Comment
  SBBG71061  Simmondsia chinensis H. and M. Dearing 1938-11-12 142 Riverside Little San Bernardino Mtns 762 Comment
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Jan 20 2015
  UCR17615  Simmondsia chinensis N. R. Zabriskie, W. W. Zabriskie 1970-3-28 277 Riverside Sonoran (Colorado) Desert, Andreas Canyon, near Palm Springs. c. 25' upstream from #276, alongside trail, 50' south of Andreas stream, opposite mouth of 'North Canyon 366 Comment
  RSA632459  Sisymbrium altissimum Scott D. White 1999-5-28 7432 Riverside Gavilan Hills: Ca. 3 air miles SE of junction Cajalco Rd. / Gavilan Rd.: East of Juniper Rd. between Blue Sky Drive and Celestial Dr. 670 Comment
  UCR135723  Sisymbrium altissimum Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9030 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 Comment
  RSA502907  Sisymbrium irio Ed LaRue 1989-4-7 s.n. Riverside Woodcrest area: 1/2 mile NE of the intersection of Van Buren Blvd & Mockingbird Canyon Road 365 Comment
  RSA800056  Sisymbrium irio J. Andre 2012-3-19 21311 Riverside Orocopia Mountains; north end of range, 0.5 miles south of junction of Box Canyon Road and I-10 freeway, 23 miles east of city of Coachella. 488 Comment
  JOTR32472  Sisymbrium orientale Herskovits, Tasya, M. Harding 2011-5-20 8 Riverside Joshua Tree National Park. Little San Bernardino Mountains; near Ryan Mountain trailhead 1341 Comment
  IRVC14052  Sisyrinchium bellum C. A. Taylor 1966-5-15 66 87 Riverside Hurkey Creek; near Hwy 74. Peninsular Ranges, San Jacinto Mountains 1341 Comment
  UC519980  Solanum americanum Louis C. Wheeler 1933-7-27 2041 Riverside Santa Ana River at Chino Creek Santa Ana River; Santa Ana River. Chino Creek 152 Comment
  SDSU13645  Solanum douglasii W. Miller, C. Mosse 1972-7-11 Riverside Comment
  UCR17444  Solanum douglasii N. R. Zabriskie, W. W. Zabriskie 1972-3-27 473 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns, 'North Canyon', Andreas Canyon watershed, E slope San Jacinto Mtns. 366 Comment
  POM254374  Solanum physalifolium var. nitidibaccatum C. M. Dammers 1940-2-9 s.n. Riverside [No location information provided.] Comment
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May 3 2014
  RSA427461  Solanum umbelliferum F. A. Thackery 1927-3-30 281 Riverside Banning. Comment
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Mar 13 2011
  RSA601103  Solanum umbelliferum A. C. Sanders 1996-5-1 18135 Riverside San Bernardino Mtns.: Morongo Indian Reservation, along dirt road in Hathaway Crk., N of Banning. [UTM 10 km cell: NH-1E, 5N. Banning.] 792 Comment
  RSA683855  Solanum umbelliferum Scott D. White, Michael Honer 2003-4-4 8961 Riverside Temescal Valley: Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  UCR16406  Solanum umbelliferum J. Texera 1970-5-17 22 Riverside Santa Ana Mtns., Santa Rosa Plateau, along road to De Luz, c. 2-5 mi. south of Murrieta 457 Comment
  RSA0020567  Solanum umbelliferum Diane M. Ramirez 1983-5-15 9 Riverside Mellor Ranch Road, 4 mi S of junction with CA Hwy 243, S of Banning. Comment
  CLARK-A1528-4374  Solanum wallacei John C. Roos 1938-3-28 727 Riverside La Sierra Comment
  NY199127  Solanum xanti D. K. Christopher 2003-4-4 99 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 530 Comment
  RSA473638  Solidago californica E. A. McGregor 1964-9-15 s.n. Riverside Idyllwild, San Jacinto Mountains Comment
  CAS-BOT-BC434983  Solidago velutina subsp. californica A. C. Sanders; T. B. Salvato 2014-7-2 41176 Riverside Peninsular Range; San Jacinto Mtns.: Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  RSA784733  Sonchus asper Duncan S. Bell 2012-3-18 3200 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
  UCR163663  Sonchus asper Ted Rado 2005-7-31 s.n.