Search Results — 2000 specimen records retrieved (1900 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SD229020  Abies concolor Dick Schwenkmeyer 2012-8-27 798 Riverside 3.2 miles southeast of the intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1887 Comment
  CAS-BOT-BC229311  Abronia villosa Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring 60 Comment
  CAS-BOT-BC229365  Abronia villosa L. R. Abrams 1908-7-21 s.n. Riverside Elsinore Comment
  RSA461030  Abronia villosa Geo. Cantwell 1935-4-10 s.n. Riverside Dos Palmas Springs, Salton Sea Comment
  RSA69968  Abronia villosa F. W. Peirson 1918-03 2222 Riverside Irrigated field near Indio. Comment
  RSA713078  Abronia villosa Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio. Comment
  UC912300  Abronia villosa Margaret Stason 1927-3-12 Riverside Colorado Desert, Painted Canyon Comment
  SEINET11941844  Abronia villosa J. F. Bright, Wyman, C. 1933-1 8049 Riverside In desert near Palm Springs Comment
  RSA0012147  Abronia villosa var. aurita Mark A. Elvin, Julie M. Vanderwier 2002-5-16 2052 Riverside Pechanga Indian Reservation, nameless drainage/wash south of Pala Rd. 335 Comment
  RSA783154  Abronia villosa var. aurita J. D. Olmsted 1962-5-3 3513 Riverside South access road to Thomas Mt., 1.5 mi. W of Pines-to-Palms Hwy. 1418 Comment
  UC537225  Abronia villosa var. aurita M. E. Jones 1934-5-9 Riverside Corona Comment
  RSA0029326  Abronia villosa var. villosa Justin M. Wood, J. Varonin, T. Valentovich 2012-4-23 4685 Riverside Sonoran Desert: Chuckwalla Valley, active sand dunes +/- 7.25 miles northeast of Desert Center, +/- 3.0 miles E of SR-177, and +/- 1.0 mile N of abandoned Jojoba farm. 149 Comment
  RSA461183  Abronia villosa var. villosa F. R. Fosberg 1932-3-13 8085 Riverside Thousand Palm Canyon, Coachella Valley Comment
  UCR241517  Abronia villosa var. villosa A. C. Sanders, Ann Howald 2013-2-27 40543 Riverside Sonoran (Colorado) Desert, Coachella Valley, north of Ave. 70 near Cleveland St., 10 km SE (108 deg. ) of Mecca -40 Comment
  RSA48335  Abronia villosa var. villosa E. K. Balls 1949-4-4 12971 Riverside At Desert Beach on Hwy 111, Colorado Desert. -15 Comment
  RSA727392  Acacia greggii Naomi Fraga, Lisa Rojas 2005-2-10 1381 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  OBI40310  Acamptopappus sphaerocephalus C. H. Muller 1952-5-20 9513 Riverside Whitewater Canyon Comment
  UCR260838  Acamptopappus sphaerocephalus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41515 Riverside San Gorgonio Pass, c. 1.5 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope between the water bottling plant and I-10 and west along dirt track, near Elm St. 498 Comment
  UC1523567  Acamptopappus sphaerocephalus var. sphaerocephalus Robert F. Thorne, Dick Tilforth, L. Shultz, R. K. Benjamin & J. Hogge 1980-4-16 54033 Riverside 1/4 mi w (and .5 mi w of Whitewater R at mouth of Whitewater Whitewater P.O.; San Bernardino Mts., Colorado Desert 414 Comment
  UC63196  Acamptopappus sphaerocephalus var. sphaerocephalus H. M. Hall May 17 1901-Jun 1 1901 1933 Riverside east base San Jacinto Mt. 609 Comment
  UCR34913  Achillea millefolium L. B. Ziegler 1967-7-27 195 Riverside San Jacinto Mtns., Hemet (Garner) Valley 1387 Comment
  JEPS484  Achnatherum speciosum W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1455 Riverside Coyote Canyon Comment
  HSC85398  Achyrachaena mollis Steve Boyd 1986-4-19 1708 Riverside Temescal Canyon: flats at SE end of Alberhill Mtn. 396 Comment
  CAS-BOT-BC384732  Achyronychia cooperi L. R. Abrams 1926-3-26 11108 Riverside Between Edom and Garnet east of San Gorgonio Pass Comment
  HSC66748  Achyronychia cooperi D. L. Goforth, D. Reed 1980-3-25 353 Riverside Hwy. 195, 6 miles E of Mecca. Box Canyon, Mecca Hills 122 Comment
  RSA0029321  Achyronychia cooperi Justin M. Wood, J. Varonin, T. Valentovich 2012-4-23 4691 Riverside Sonoran Desert: Chuckwalla Valley, active sand dunes +/- 7.25 miles northeast of Desert Center, +/- 3.0 miles E of SR-177, and +/- 1.0 mile N of abandoned Jojoba farm. 149 Comment
  SDSU14187  Acmispon argophyllus var. argophyllus Michelle Perl 2002-4-20 12 Riverside Santa Margarita Ecological Reserve 1/8 mile east of the junction between Santa Margarita River and Via Tornado Road. North of Santa Margarita River. 233 Comment
  SDSU4342  Acmispon glaber var. brevialatus H. Wedberg 1965-5-23 1117 Riverside At 1/2 mile east of Cranston Ranger Station on the road from Hemet to Mountain Center. 610 Comment
  UCSB72613  Acmispon glaber var. brevialatus White, Scott; Carey, Angelia 2004-4-5 Riverside San Jacinto Mountain Foothills: North of Valle Vista. Indian Creek Watershed 518 Comment
  SBBG120129  Acmispon micranthus A. C. Sanders, K. Volansky 2005-3-17 29205 Riverside French Valley, SE of Winchester Rd (Hwy 79) between Thompson Rd and Benton Rd, ca. 0.5 mi NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  JOTR35935  Acmispon rigidus De Groot, Sarah J., Jessica Chu, Loraine Washburn 2013-3-22 6883 Riverside Joshua Tree National Park. Cottonwood Spring; Fan palm oasis and surrounding slopes. 883 Comment
  SBBG25096  Acmispon rigidus D. Myrick 1966-4-3 1346 Riverside Hidden Valley, Joshua Tree Nat Monument Comment
Read comments
Dec 14 2016
  SBBG44749  Acmispon rigidus Leota Davidson 1965-5-11 179 Riverside Joshua Tree Nat Monument Comment
  SBBG45496  Acmispon strigosus Leota Davidson 1966-4-6 474 A Riverside Wiley Well Rd S of second intersection, Chuckawalla Mtns, 18 mi W of Blythe 213 Comment
  UCR113253  Acourtia microcephala Mitch Provance, J. S. Ross 2000-7-21 2160 B Riverside Jurupa Mtns., Rattlesnake Mtn. (hill 1452m), Crestmore, above water tank west of Cedar Ave., above intersection of Andalusia and Malaga Streets 396 Comment
  UCR174151  Adenostoma fasciculatum A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32526 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
  RSA711116  Adenostoma fasciculatum var. fasciculatum M. Wall, Del Wiens, Clyde Calvin 2005-12-4 408 Riverside At highway maintenance dirt road jct. along Highway 243, ca. 2.5 miles N. of Mountain Center. 1524 Comment
  CAS-BOT-BC139865  Adenostoma sparsifolium Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mts. Comment
  PASA1206  Adenostoma sparsifolium Sally Ellis 1940-3-17 Riverside Dripping Springs Comment
  SD72234  Adenostoma sparsifolium Russell S. Woglum 1937-10-20 1185 Riverside Santa Rosa Mountains Comment
  UCR58336  Aegilops tauschii A. C. Sanders 1989-5-22 9491 Riverside Riverside. Dirt field east of Batchellor Hall on the UCR Campus Comment
  UCR240630  Agoseris retrorsa Tracy Tennant, Mitch Provance 1998-6-16 MOR- 401 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1052 Comment
  POM259164  Agrostis exarata P. A. Munz 1938-8-14 153349 Riverside Virgin Spring, Santa Rosa Peak. 2287 Comment
  RSA296133  Agrostis exarata B. A. Prigge 1980-8-5 3846 Riverside Whitewater Canyon; 0.5 mile N of trout farm. 701 Comment
  JEPS73944  Agrostis idahoensis Carl V. Meyer 1928-7-27 861 Riverside Round Valley San Jacinto Mts. Comment
  RSA263175  Agrostis idahoensis J. C. Roos 1937-8-18 465 Riverside Round Valley, San Jacinto Mountains. Comment
  RSA5903  Agrostis idahoensis C. B. Wolf 1932-8-5 3963 Riverside On trail from Tahquitz Valley to San Jacinto Peak; head of a fork of Tahquitz Creek. San Jacinto Mountains. 2744 Comment
  UCD53295  Agrostis scabra August L. Hormay 1932-8-8 s.n. Riverside Tahquitz Valley. Comment
Read comments
Aug 13 2006
  RSA776336  Allionia incarnata Duncan S. Bell, Amanda Turek 2010-4-10 819 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  UC851825  Allionia incarnata Ivan Johnston 1917-4-4 Riverside Colorado Desert, at mouth of Palm Canyon Palm Canyon; Colorado Desert, Palm Canyon 228 Comment
  UCR277615  Allionia incarnata Aaron C. Sedgwick, April Garbat 2012-10-17 139 Riverside Sonoran (Colorado) Desert, c. 0.25 mile south of Hwy I-10 on Cottonwood Springs [Box Canyon] Rd. 488 Comment
  UCR35199  Allionia incarnata L. B. Ziegler 1966-9-13 83 Riverside Sonoran (Colorado) Desert, San Jacinto Mountains, Carrizo Spring (Carrizo Creek), c.3/8 mi above Hwy 74 crossing of canyon. 703 Comment
  RSA715375  Allium A. C. Sanders 1999-4-28 22709 -B Riverside Riverside, UCR Botanic Garden. 351 Comment
  CAS-BOT-BC131990  Allium haematochiton Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-3 4063 Riverside Vail Lake area, summit of 'Big' Oak Mtn. at E end 792 Comment
  UCR121646  Allium haematochiton A. C. Sanders, Kent Beaman 2002-5-10 25053 Riverside Santa Ana Mtns., Santa Rosa Plateau, hills west of the head of De Luz Creek, 0.4 mi. south of Tenaja Rd. on west side of Calle Roble near Avenida Matorral 671 Comment
  SEINET4174934 Image available Allium haematochiton J. C. Roos 1950-1 4714 Riverside Ca. 3-4 mi. N of Murrieta, Riverside Co., Calif. El. 1500 ft. 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
  CAS-BOT-BC132015  Allium munzii Steve Boyd 1982-4-27 s.n. Riverside Gavilan Hills region, Temescal Canyon west of Horsethief Wash, south of Lee Lake on terrace escarpments just south of Di Palma Road 396 Comment
  UCR230056  Allium munzii Tara Schoenwetter 2011-4-16 s.n. Riverside Peninsular Range, Alberhill, off Lake St. at Alberhill Mountain, N of Coal Ave./Nichols Rd. extension 421 Comment
  RSA753543  Allium peninsulare Michael Wall 2009-6-6 519 Riverside San Jacinto Valley, Bautista Canyon Rd. ca. 1.0 miles SE of jct. with Fairview Ave. on slopes at sharp turn in the road 630 Comment
  UCR16034  Allium peninsulare Steve Kulju 1974-4-27 s.n. Riverside Box Springs Mtns. Dirt road to the radio tower, 4 mi from Pigeon Pass Road. 762 Comment
  UCR275933  Allophyllum divaricatum T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3784 Riverside San Jacinto Mountains, Rouse Ridge, east of Rouse Hill on 4WD road 2E17 (becoming a foot trail), c. 0.7 mile north of Rouse Ridge Road (5S15), NE of Milky Spring, San Bernardino National Forest 1476 Comment
  POM49564  Allophyllum glutinosum P. A. Munz, I. M. Johnston 1924-7-29 8841 Riverside 6 miles SE of Poppet Flat, San Jacinto Mountains. 1524 Comment
  UCR113632  Alopecurus saccatus June Latting 1978-6-4 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., Santa Rosa Plateau, Mesa de Burro 610 Comment
  UCR166723  Amaranthus albus Scott D. White, Jennifer H. Jones 2005-4-12 10863 Riverside Coachella Valley, Indio area, vacant land NE of the I-10 Freeway interchange at Jefferson 18 Comment
  UCR207547  Amaranthus blitum O. F. Clarke 2004-7-7 s.n. Riverside San Bernardino Valley Region, Riverside, Victoria Ave. bridge at Arroyo Tequesquite 262 Comment
  UCD97222  Amaranthus fimbriatus Geoffrey Levin 1976-11-26 1191 Riverside Box Canyon, about 11 miles E of Mecca. 91 Comment
  UCR163738  Amaranthus fimbriatus B. G. Pitzer 2000-11-4 4238 Riverside Sonoran (Colorado) Desert, north side of the Chuckwalla Mtns., Eagle Mountain Rd. 0.8 mi. south of Hwy I-10 at and around powerline road, c. 3.5 mi. WSW of Desert Center 402 Comment
  RSA500109  Amaranthus retroflexus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3662 B Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
  RSA0093772  Amaranthus torreyi Duncan S. Bell 2015-9-30 8682 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  RSA0078222  Amaranthus watsonii Sarah J. De Groot, Amy Rouillard 2015-9-15 7560 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 107 Comment
  CAS-BOT-BC224908  Ambrosia acanthicarpa A. C. Sanders 2011-4-6 38991 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
  SEINET2043617 Image available Ambrosia acanthicarpa H. S. Gentry 1954-7-26 14252 Riverside Dripping Springs, along Rt. 79 Comment
  LA31364  Ambrosia dumosa Jane Turner; Barbara Whitesel, Virginia Sjaholm 1959-3-21 C- 177 Riverside Morongo Wash Comment
  RSA568650  Ambrosia dumosa A. C. Sanders, E. J. Lawlor 1992-4-4 12092 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  RSA643343  Ambrosia dumosa R. D. Goeden, D. W. Ricker 1970-5-14 s.n. Riverside Coachella Valley: Palm Springs, SW side of Hwy 111, 1.3 mi. SE of Overture Drive, at foot of San Jacinto Mtns. near Desert Angel peak. 274 Comment
  UCR24358  Ambrosia ilicifolia John C. Roos 1958-3-15 s.n. Riverside Sonoran (Colorado) Desert, 2.5 mi. SE of Desert Center, Chuckwalla Mts. Comment
  POM249858  Ambrosia psilostachya E. C. Jaeger 1938-10-30 s.n. Riverside Mecca. -30 Comment
  UC1523648  Ambrosia psilostachya Robert F. Thorne, Steve Boyd, and Earl Lathrop 1985-7-18 61194 Riverside along Cole Canyon; Santa Rosa Plateau 533 Comment
  UC494556  Ambrosia salsola var. pentalepis Philip A. Munz 1932-3-4 11972 Riverside sandy wash of Deep Canyon; Coachella Valley Comment
  JOTR37495  Ambrosia salsola var. salsola Hodges, Stephen R., L. Ashfield 2016-1-20 624 Riverside Joshua Tree National Park. Eagle Mountains, Black Eagle Mine road, northern edge of mountains near eastern park boundary (Stop 1). Comment
  UCR146729  Ammi visnaga Gene McTeer 2004-9-3 s.n. Riverside Peninsular Range; Santa Rosa Plateau, Garcia property on Sunday Dr., south of Rancho California Rd., Temecula 543 Comment
  UCR241186  Amorpha californica Tracy Tennant, Jeffrey Ross 1998-6-23 MOR- 517 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  UCR182528  Amsinckia Mitch Provance 2005-5-17 6571 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  RSA0089618  Amsinckia intermedia M. B. Dunkle 1932-3-25 2894 Riverside Cabazon. Colorado Desert. 457 Comment
  UCR140320  Amsinckia intermedia A. C. Sanders, Guy Bruyea 2004-4-2 27406 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
  UCR250885  Amsinckia intermedia S. J. Myers, Jennifer Tobin, Michelle Tobin 2013-3-13 1049 Riverside Lakeview Mountains, along powerline access road 0.5 mi. NE of intersection of Contour Ave. & Truffaut Dr, c. 1 mi. NE of Juniper Flats Rd. 628 Comment
  UCR41229  Amsinckia intermedia N. M. Fellows, A. C. Sanders 1985-4-9 149 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
  JOTR31905  Amsinckia tessellata var. tessellata La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2153 Riverside Joshua Tree National Park. West Cottonwood Mountains; bouldery side canyon leading into southeast Pinkham Wash Comment
  SDSU13504  Anagallis arvensis W. Miller with C. Mosse 1972-7-12 Riverside Comment
  RSA524422  Ancistrocarphus filagineus Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4117 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
  RSA296116  Andropogon glomeratus B. A. Prigge 1980-8-11 3887 Riverside San Bernardino Mountains, Whitewater Canyon: 1.1 miles N of Interstate 10. 473 Comment
Read comments
Jan 14 2010
  UCR89389  Andropogon glomeratus A. C. Sanders, O. F. Clarke, P. J. MacKay, S. D. White, C. L. Sanders 1994-11-27 15873 Riverside San Jacinto Mtns/Colorado Desert, Palm Canyon, from Hermit's Bench upstream to just beyond the confluence with East Fork 300 Comment
  UCR237626  Anemone tuberosa Duncan S. Bell 2010-3-20 610 Riverside Riverside Mountains, in the vicinity of Calzona Mine, c. 2 air mi northeast of Riverside Mountain Peak 232 Comment
  IRVC3692  Angelica tomentosa R. H. Whittaker, W. A. Niering 1963-6-12 SJ 419 Riverside Fuller's Creek Peninsular Ranges, San Jacinto Mountains 1555 Comment
  RSA0000863  Antennaria speciosa H. M. Hall 1901-07 2401 Riverside San Jacinto Mountains. Tamarack Valley. 2835 Comment
  UCR96889  Anthemis cotula Scott D. White 1993-4-30 1312 Riverside San Jacinto Valley, Near intersection of Warren Rd. and Stetson Ave. 458 Comment
  UCR121190  Anthriscus caucalis D. E. Bramlet 1990-4-26 1975 Riverside Peninsular Range, E side of Rawson Canyon, c. 7000 ft. (1.3 mi.) south of Crown Valley and 8,500 ft. (1.6 mi.) NW of Black Mountain 579 Comment
  UCR270743  Anthriscus caucalis T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8377 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 424 Comment
  RSA516426  Antirrhinum coulterianum T. Hayduk 1990-5-2 4433 Riverside Ortera Hwy. at lower switchbacks above Lake Elsinor, in burned area Comment
  CLARK-A1045-120  Antirrhinum filipes George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep Canyon; Palm Desert 15'Q Comment
  RSA425819  Antirrhinum filipes Anstruther Davidson 1927-4-11 s.n. Riverside Palm Springs, Cooper Mine Comment
Read comments
Nov 12 2011
  RSA262107  Antirrhinum kelloggii E. W. Lathrop 1969-5-8 7010 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  RSA736258  Antirrhinum kelloggii Scott D. White, Justin M. Wood 2008-4-3 11788 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. 'Morgan' property, Alberhill area. 274 Comment
  RSA736692  Antirrhinum nuttallianum Scott D. White 2004-4-26 10259 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. 518 Comment
  UCR100701  Antirrhinum nuttallianum Scott D. White 1997-5-25 5251 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
  UCR199925  Antirrhinum nuttallianum Scott D. White, Justin Wood 2008-4-16 11887 Riverside Perris/Elsinore Basin, hills to the west of I-215 and south of Scott Rd. 549 Comment
  UC1424878  Antirrhinum nuttallianum subsp. nuttallianum C. W. Tilforth 1978-4-30 1564 Riverside East of Norco Comment
  UCR187495  Apiastrum angustifolium Theresa Johnson 2006-5-23 125 Riverside Peninsular Range, Oak Mountain, 1.5 mi. NNW of Vail Lake dam Comment
  UCR194228  Apiastrum angustifolium Scott D. White 2006-4-28 11317 Riverside Elsinore Basin, Wildomar, east of the I-15 Fwy and north of Baxter Road. South and west-facing hillsides, minor ephemeral wash, and upper bajadas at bases of hills 488 Comment
  RSA395891  Apium graveolens Steve Boyd 1986-4-22 1728 Riverside Temescal Canyon: Walker Canyon area, where Alberhill Creek (=Temescal Creek) flows between Alberhill Mtn. and Gavilan Hills. Comment
  UCR237875  Arabis Mark A. Elvin 2003-3-26 2363 Riverside San Jacinto Mountains, Garner Valley off Fobes Ranch Rd., east of Hwy 74 1372 Comment
  RSA66762  Arabis pulchra F. W. Peirson 1941-4-9 13077 Riverside Open desert among shrubs; Pinto Basin road at junction with road to Cottonwood Springs. Comment
  UCR44209  Arabis pulchra A. C. Sanders 1986-6-1 6550 Riverside San Jacinto Mtns., trail to Spitler Peak from the Herkey Creek Camp to Bonita Vista road [=Apple Canyon Rd.] 1829 Comment
  POM98010  Arabis pulchra var. gracilis E. C. Jaeger 1926-3-24 s.n Riverside Eagle Mountains. Comment
  RSA629138  Arctostaphylos Jon E. Keeley 1992-7-16 16561 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  HSC25510  Arctostaphylos glandulosa Richard Spjut 1972-3-14 2276 Riverside San Jacinto Mtns., along Hwy. 1 and Hwy. 74 in San Bernadino Natl. Forest 1220 Comment
  UCR273499  Arctostaphylos glandulosa A. C. Sanders, Glen Morrison 2016-8-4 42598 Riverside Peninsular Range; Santa Ana Mountains, south side of South Main Divide Road, SE of Morgan Trailhead into San Mateo Wilderness, 0.17 km NE (46 deg. ) of Lion Spring 872 Comment
  SEINET10684215  Arctostaphylos glandulosa subsp. adamsii Tracy Scott, Andrew Townesmith; Karen M. Meyer 2007-3-15 Scott 129 Riverside San Bernardino National Forest. 9.4 mi. S on 243 (Palms to Pines National Scenic Byway) from US 10. 1298 Comment
  SDSU17429  Arctostaphylos glandulosa subsp. glandulosa C. Matt Guilliams 2007-8-2 395 Riverside Santa Margarita Ecological Reserve, east of 'Highlands Trail' on mesa top near weather station. Among boulders, exposed, 0 slope. 639 Comment
  RSA629365  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-6-16 16820 Riverside Hwy 234, 3 km N of Hwy 74, San Jacinto Mtns. 1520 Comment
  CAS-BOT-BC24668  Arctostaphylos glauca Ralph Hoffmann 1929-9-11 s.n. Riverside Hamilton Grade. Comment
  POM158433  Arctostaphylos glauca P. A. Munz 1927-5-21 10852 Riverside San Carlos Pass, 2 mi S.E. of Ansa. 1372 Comment
  RSA23617  Arctostaphylos glauca C. B. Wolf, Percy C. Everett 1939-9-29 9454 Riverside San Jacinto Range; Dos Palmos Spring, below Pinyon Flat. 1067 Comment
  RSA631726  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16501 Riverside Hills around Indian Oaks Ranch, east of Lake Skinner. 500 Comment
  RSA631760  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15079 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA631786  Arctostaphylos glauca Jon E. Keeley 1992-7-17 16731 Riverside Morris Ranch Road (6S06), 0.8 km east east of Highway 74, Garner Valley. 1440 Comment
  UCR178833  Arctostaphylos glauca Jeffrey Ross 1998-3-17 MOR- 1024 Riverside San Bernardino Mtns., Morongo Indian Reservation, upper Potrero Canyon, near dirt road at outlet to sag pond at Burro Flats, Tree Stand P-04 1098 Comment
  RSA633608  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22532 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633662  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16656 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  RSA633694  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21764 Riverside Dirt road to Santa Rosa Mountain, 8.6 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1940 Comment
  RSA633711  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16665 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  RSA633724  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16627 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  RSA633759  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22652 Riverside Road to Santa Rosa Mountain. 2000 Comment
  CAS-BOT-BC44357  Arctostaphylos pringlei subsp. drupacea Peter H. Raven 1959-5-18 14243 Riverside Lake Fulmor, San Jacinto Mountains Comment
  CAS-BOT-BC46340  Arctostaphylos pungens C. B. Wolf 1931-5-11 1953 Riverside Hemet Valley, San Jacinto Mts. 1676 Comment
  RSA635996  Arctostaphylos rainbowensis Jon E. Keeley 1992-9-26 21608 Riverside W of Hwy 15, 1.5 km S of Temecula. 430 Comment
  RSA636023  Arctostaphylos rainbowensis Jon E. Keeley 1992-8-2 18796 Riverside East of Hwy 15, off Rainbow Cyn. Rd., 3 km north of San Diego Co. line. 400 Comment
  SD180717  Arctostaphylos rainbowensis C. Matt Guilliams 2007-8-2 398 Riverside Santa Margarita Ecological Reserve, east of A!Highlands TrailA(r) on mesa top near weather station. Among boulders, exposed, 0 slope. 639 Comment
  UCR56014  Argemone munita J. A. Adams 1965-5-9 206 Riverside San Jacinto Mtns., NE side of Mtns, Palm Springs Area, 1 mi below tramway up Mt. San Jacinto 915 Comment
  CAS-BOT-BC207133  Argythamnia lanceolata Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  CAS-BOT-BC202503  Argythamnia serrata S. B. Parish 1907-4-16 6131 Riverside Whitewater. Western border of the Colorado Desert 200 Comment
  UCSB36482  Aristida adscensionis Gordon, Patricia 1980-3-9 Riverside Box canyon, 6 mi SE of Mecca on CA 195 60 Comment
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May 27 2009
  UCR23319  Aristida parishii John C. Roos 1952-4-16 5551 Riverside Reche Canyon. 457 Comment
  UCD56530  Aristida purpurea var. fendleriana Alan A. Beetle 1946-6-10 4405 Riverside Near Palm Springs. Comment
  UC194836  Aristida purpurea var. nealleyi S. B. Parish 1916-5-13 10850 Riverside Cottonwood Springs Colorado Desert Comment
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Oct 9 2010
  UCD56552  Aristida purpurea var. nealleyi F. M. Reed 1920-5-9 4316 Riverside Colorado Desert, mouth of Andreas Canon. 304 Comment
  UCD56558  Aristida purpurea var. nealleyi A. A. Beetle 1942-4-23 3187 Riverside banks of Colorado River, 24 miles north of Blythe. Comment
  CAS-BOT-BC90198  Artemisia californica Nancy Ryan Zabriskie; Walter Zabriskie 1972-12-25 548 Riverside on trail to ridge above Eagle Peak, Andreas Canyon watershed, east slope San Jacinto Mts. 914 Comment
  RSA125963  Artemisia californica E. K. Balls, Percy C. Everett 1957-11-4 22755 Riverside Snow Creek. 610 Comment
  UCR48494  Artemisia californica Steve Boyd 1985-12-24 1194 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR163793  Artemisia douglasiana John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, Los Alamos Canyon 1.5 mi. SW of Los Alamos Ranch, just outside Cleveland Nat. Forest boundary 564 Comment
  CAS-BOT-BC90577  Artemisia dracunculus Wesley O. Griesel 1960-8-24 s.n. Riverside Near Fulmor Lake, San Jacinto Mts. 1828 Comment
  JOTR32834  Artemisia dracunculus La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1551 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; active wash near base of granitic outcrops 1250 Comment
  RSA38363  Artemisia dracunculus Philip A. Munz 1946-10-19 11566 Riverside Coahuila. 1098 Comment
  RSA417413  Artemisia tridentata Gale Sphon 1955-5-22 s.n. Riverside Vandeventer Flats Comment
  SDSU13516  Artemisia tridentata subsp. tridentata W. Miller with C. Mosse 1972-7-12 Riverside Riparian river bed 50 yards west of erosion area. Comment
  UCR182822  Artemisia tridentata subsp. tridentata R. E. Riefner Jr. 2006-9-19 06- 442 Riverside Temecula Valley, c. 0.1 mi. west of I-15 Freeway along Temecula Creek 301 Comment
  RSA70039  Arthrocnemum subterminale F. W. Peirson 1922-5-19 3068 Riverside 2 miles southeast of Perris Comment
  GMDRC5759  Asclepias albicans J. M. Andre 2013-3-4 23873 Riverside Riverside Mountains: east side of range, along rocky dirt road to historic mine area, 0.8 mi west of Hwy 95, approx 12 mi. south of Vidal Jct 127 Comment
  UCR279537  Asclepias albicans A. C. Sanders, Jim Malusa 2017-3-27 43125 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
  RSA0027938  Asclepias californica John F. Emmel 1992-5-16 1223 Riverside San Jacinto Mts: Along north shore of Lake Hemet, 1.5 air mi due west of Lake Hemet Store. 1326 Comment
  POM401680H  Asclepias eriocarpa Robert Gustafson, Gary D. Wallace 1983-6-23 2710 Riverside Santa Ana Mountains, Clinton Keith Road near junction with Tenaja Road. Comment
  POM122827  Asclepias subulata Marcus E. Jones 1926-6-8 s.n. Riverside Whitewater. Colorado Desert. Comment
  CLARK-A1528-6  Asparagus officinalis John C. Roos 1951-10-24 5343 Riverside Pedley 243 Comment
  UCR125297  Aster subulatus A. C. Sanders 2002-11-21 25631 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 457 Comment
  RSA0031015  Astragalus aridus Jim Andre 2013-3-27 24804 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). 242 Comment
  SBBG3151  Astragalus aridus H. and M. Dearing 1938-3-5 1978 Riverside between Blythe and Desert Center Comment
  UC862495  Astragalus aridus Lewis S. Rose 1937-4-10 37155 Riverside 3 mi se Indio; se of Indio -15 Comment
  UCR620A  Astragalus bicristatus J. Zabriskie 1974-5-24 692 Riverside Santa Rosa Mtns., Reservoir area at top of Deep Canyon stream; south of Pinyon Flat 1890 Comment
  POM12940  Astragalus didymocarpus P. A. Munz, I. M. Johnston 1922-5-21 5545 Riverside San Jacinto [Mystic] Lake near Moreno. Comment
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Mar 20 2011
  POM15067  Astragalus didymocarpus var. dispermus Mary F. Spencer 1922-3-25 1426 Riverside Mecca. -49 Comment
  RSA21758  Astragalus didymocarpus var. dispermus C. B. Wolf 1937-4-6 8430 Riverside Coachella Valley, 2 mi. NE. of Edom 30 Comment
  POM226881  Astragalus didymocarpus var. obispoensis L. R. Abrams 1935-4-7 13664 Riverside 2 mile SW of Perris. Comment
  CLARK-A1045-79  Astragalus douglasii George K. Helmkamp 1977-4-30 Riverside San Jacinto Mountains Lake Fulmor 7.5'Q Comment
  CAS-BOT-BC178446  Astragalus douglasii var. parishii Philip A. Munz 1937-5-30 15138 Riverside Santa Rosa Peak 2346 Comment
  SD111917  Astragalus douglasii var. parishii Barbara Ertter, Jeffrey Strachan 1980-5-21 3484 Riverside Santa Rosa Mountain road, ca. 2.0 miles south of Highway 74, rivulets on southeast slope. 1584 Comment
  CAS-BOT-BC257175  Astragalus gambelianus Duncan S. Bell; Joy England 2010-5-17 1007 Riverside Peninsular Ranges; San Jacinto Mountains region: San Bernardino National Forest: Rouse Ridge, approximately 3 air miles southeast of junction of Highway 74 and forest service road 5S15 1045 Comment
  CAS-BOT-BC186897  Astragalus insularis var. harwoodii H. M. Hall 1901-4-5 5945 Riverside McCoy Wash, Colorado Desert Comment
  UCR228163B  Astragalus insularis var. harwoodii Dave Silverman, Fred T. Sproul, Tammie Beyerl, Erin Bergman 2010-3-29 7877 B Riverside Sonoran (Colorado) Desert, East end of Chuckwalla Valley, W of Blythe, 615 m S of gas line frontage, 1.35 km S of I-10 and 7.4 km west of Nicholl's Warm Spring 155 Comment
  UCR30627  Astragalus palmeri John C. Roos 1947-3-15 3347 Riverside Sonoran (Colorado) Desert, mouth of Deep Canyon Comment
  CAS-BOT-BC194140  Astragalus pomonensis Joseph Andorfer Ewan; Carl Epling 1933-5-4 7610 Riverside 5 mi. above Corona, Temescal Canyon Comment
  CAS-BOT-BC27822  Astragalus pomonensis Marcus Eugene Jones 1882-4-24 3166 Riverside San Jacinto Comment
  UCR180592  Astragalus pomonensis Scott D. White, Angelia Carey 2004-4-5 9979 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  CAS-BOT-BC168618  Atriplex John Thomas Howell 1930-5-10 4787 Riverside 1 mile south of Perris Comment
  UCR139616  Atriplex argentea A. C. Sanders 2004-7-1 28378 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, c. 1.5 mile NW of the "Menifee-Antelope Community Hall", 0.6 mi. east of Murrieta Rd. near the NW foot of a large rocky hill (1762 ft.) and c. 5 miles due south of Sun City 457 Comment
  UCR201824  Atriplex argentea subsp. expansa Karin Cleary-Rose, G. Nuhn 1995-7-20 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, west edge of Hemet, 19 acre parcel on the Wilhelm Ranch, between Hwy 74 and Whittier Ave, at south end of Hyatt Ave., west of the San Diego Aqueduct 457 Comment
  POM182368  Atriplex canescens Joseph A. Ewan 1931-10-3 s.n. Riverside Mockingbird Canyon near Arlington Comment
  CAS-BOT-BC170213  Atriplex canescens subsp. canescens Lewis S. Rose 1935-12-19 35670 Riverside Palm Springs - Colorado Desert 138 Comment
  UCR272671  Atriplex canescens var. canescens Sarah J. De Groot, Duncan S. Bell 2015-9-21 7582 Riverside Peninsular Range; Santa Rosa Mountains, SSW of Palm Desert, near Potrero Spring near head of Potrero Canyon, west of Dunn Road, NW of Asbestos Mountain, SW of Haystack Mountain 1084 Comment
  OBI17344  Atriplex canescens var. laciniata Louis C. Wheeler 1931-11-27 379 Riverside 2 mi SE Salton Bench Mark 76 Comment
  CLARK-A1528-5401  Atriplex coronata var. notatior John C. Roos 1952-5-14 5668 Riverside San Jacinto River 426 Comment
  RSA537269  Atriplex coronata var. notatior D. E. Bramlet 1991-5-10 2148 Riverside 6.5 miles west of hemet, approximatly 500 m south and west of the ntersection of Warren and Florida (Hwy 74) and 80 miles east of the MWD San Diego Canal. 457 Comment
  UCR159814  Atriplex coronata var. notatior Mark A. Elvin 2005-5-24 4316 Riverside Southern Coastal Slope; Perris Basin, Perris, east of I-215, south of San Jacinto River, NW corner of junction of Ellis Ave and first road east of I-215 427 Comment
  UCR103477  Atriplex davidsonii D. E. Bramlet 1995-6-8 2440 Riverside San Jacinto Valley, San Jacinto Wildlife Area, Lovell Unit. The site is located 1.22 km east of Davis Road and 168m south of the existing access road. the site is 549m north of San Jacinto River Channel 435 Comment
  UCR266286  Atriplex davidsonii D. E. Bramlet 2005-7-28 3912 Riverside Perris-Aguanga Basin, area west of Hemet & Hemet-Ryan Airport, west of Warren Rd., south of Florida Ave./Hwy 74, east of San Diego Canal 457 Comment
  UCR91926  Atriplex elegans George K. Helmkamp 1995-3-16 s.n. Riverside Sonoran (Colorado) Desert, Below Coxcomb Mtns., west of Rice Rd., 10.3 mi. NE of Desert Center 200 Comment
  CAS-BOT-BC334494  Atriplex elegans var. elegans R. E. Riefner, Jr. 2013-8-17 13 -190 Riverside City of Lake Elsinore, along Collier St. and Hwy 74 S to Temescal Wash. 393 Comment
  RSA27520  Atriplex hymenelytra I. L. Wiggins 1941-3-24 s.n. Riverside 0.5 miles from beach on east side of Salton Sea, 1 mile north of Imperial Co. Line Comment
  CLARK-A1528-2524  Atriplex lentiformis John C. Roos 1937-8-20 1224 Riverside Coachella Comment
  RSA736757  Atriplex lentiformis Scott D. White, Lynn Stafford 2007-6-27 11749 Riverside Santa Ana River floodplain just below Prado Dam. 134 Comment
  RSA478374  Atriplex polycarpa Allen 1921-09 s.n. Riverside Palm Springs. Comment
  POM278972  Atriplex rosea Grant D. Brown 1950-12-2 587 Riverside Cajalco Resevoir, SE; Cajalco Canyon. 442 Comment
  OBI37522  Atriplex serenana Steve Boyd 1985-8-7 1115 Riverside Murrieta area, Clinton Keith rd, just E of the Bear Creek development golf course. Comment
  RSA532571  Atriplex serenana var. davidsonii D. Bramlet 1991-6-1 2188 Riverside 5.8 km W of Hemet and some 25 m SW of the intersection of Florida and Warren; 10 m from a disturbed area (parking) S of Florida. 500 Comment
  UCR65299  Atriplex suberecta Steve Boyd, T. S. Ross, K. A. Boyd 1989-6-24 3752 Riverside Peninsular Range, Vail Lake area, along road, near summit of 'Little' Oak Mtn. 628 Comment
  UCR163984  Atriplex triangularis John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, Los Alamos Canyon 1.5 mi. SW of Los Alamos Ranch, just outside Cleveland Nat. Forest boundary 564 Comment
  RSA757728  Avena barbata LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4355 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
  UCR100173  Avena barbata Scott D. White 1993-3-3 1088 Riverside Perris Basin, Romoland/Winchester area 442 Comment
  UCR112959  Avena barbata B. G. Pitzer 1998-3-1 3544 Riverside Lakeview Mtns, Maze Stone county historical marker & picnic area, E side of mtns, on W side of Reinhardt Canyon 610 Comment
  UCR138648  Avena barbata D. L. Banks 1997-2-17 1279 Riverside Agua Tibia Mtns., NW Palomar Mountains, Pechanga Indian Reservation. Along Pechanga Rd. in the Reservation, c. 10 m west of the Pechanga Tribal Government Center 367 Comment
  UCR41799  Avena fatua A. C. Sanders 1986-4-13 6466 Riverside Riverside, Riverside, residential garden, 422 Campus View Drive 335 Comment
  RSA426790  Ayenia compacta E. Dean 1929-5-6 s.n. Riverside Mts. of W. side of Colorado desert. Near Elsinore. Comment
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Jul 17 2015
  UCR281865  Baccharis brachyphylla A. C. Sanders, Jim Malusa 2017-9-19 43333 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, canyon 3.75 km SW (209 deg. ) of Tabaseca Tank 711 Comment
  RSA575918  Baccharis emoryi Steve Boyd 1994-10-14 8377 Riverside Southern Santa Ana Mountains, San Mateo Cantyon Wilderness area of the Cleveland National Forest. Fisherman's Camp Trail (7S02) from Wildomar Road (7S01) west into Tenaja Canyon at its confluence with San Mateo Canyon., Fisherman's Camp 462 Comment
  IRVC523  Baccharis glutinosa R. H. Whittaker, W. A. Niering 1963-6-11 SJ 373 Riverside Santa Rosa Rd., slope W-5 degree draw, mostly sandy soil, occasional boulders. Santa Rosa Mountains 1601 Comment
  POM4663  Baccharis salicifolia F. L. Robinson, Crocker 1916-3-26 s.n. Riverside Santa Ana Mts, near Murrietta Comment
  CAS-BOT-BC106670  Baccharis salicina John Thomas Howell 1952-10-25 28873 Riverside Along highway about 3.5 miles from Glen Ivy Hot Sprins on road to Alberhill Comment
  UCR91631  Baccharis sarothroides D. L. Banks, Steve Boyd 1995-10-17 0780 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Mtns, Agua Tibia Wilderness Area, south of Dripping Springs Campground 512 Comment
  RSA314397  Baccharis sergiloides R. F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55405 Riverside San Bernardino Mts.: Side canyon on W side of Whitewater Cyn, ca. 3.3 mi. N of Whitewater Post Office. 595 Comment
  UCR134610  Baileya pleniradiata Marisa Sripracha, Kyle Boyd 2004-2-14 017 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 Comment
  JEPS122465  Barbarea orthoceras J. M. Andre 2012-6-15 30549 Riverside San Jacinto Mountains; west slopes of range slong Poppet Flat Road, Poppet Creek Canyon, 3.2 miles west of Highway 243. Lake Fulmor 7.5' Q. Comment
  UCR213433  Bebbia juncea A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37431 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, lower part of wash c. 2.5-3 mi. NW of Blythe Airport, above Black Creek Rd. 171 Comment
  CAS-BOT-BC100134  Bebbia juncea var. aspera H. M. Hall 1901-6-1 2010 Riverside Canyon of the San Jacinto River 762 Comment
  RSA0039603  Bebbia juncea var. aspera Deidre Conocchioli, Duncan S. Bell 2014-3-11 153 Riverside Devil Canyon in the Santa Rosa Wilderness area. W of Coachella Valley, 3 miles S of Lake Cahuilla. 110 Comment
  UCR104618  Berberis dictyota D. E. Bramlet, E. Robertson 1989-5-17 1863 Riverside Perris-Aguanga basin, Lake Perris, S facing slope of Mt. Russell, some 457m SW of the summit. The site is approximately 2.07 km west of Davis Road and 1.74 km south of Alessandro Blvd. 732 Comment
  UCR59772  Berberis nevinii Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 3001 Riverside Vail Lake Area, Temecula Creek Cyn below Vail Lake dam 457 Comment
  UCR266823  Bergia texana D. E. Bramlet 2005-7-13 3898 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, Mystic Lake, SW side near duck club, 200 ft. east of South Contour Rd., 4700 ft. north of San Jacinto River 434 Comment
  UCD142297  Bernardia incana C. W. Tilforth; W. Wisura 1979-8-8 1906 Riverside Big Horn Sheep Overlook; S. of Palm Desert; Hiway 74 above Deep Canyon. Comment
  CLARK-A1528-404  Beta vulgaris John C. Roos 1951-10-24 5334 Riverside Riverside 228 Comment
  CLARK-A1528-173  Bidens pilosa John C. Roos 1951-9-25 5264 Riverside Riverside 259 Comment
  POM179754  Bloomeria crocea var. crocea H. M. Hall 1901-06 2101 Riverside South side of San Jacinto Mountains. 1463 Comment
  RSA0128855  Boechera Scott D. White, Julie Greene 1998-8-1 6966 Riverside Idyllwild area: Roadside uplands and meadows within residential community above/parallel to E bank of Strawberry Creek between crossing at Circle Dr. and Humber Park. 1829 Comment
  UC488972  Boechera arcuata C. V. Meyer Jun 1927 169 Riverside San Jacinto Mts. 1524 Comment
  CLARK-A1656-805  Boerhavia coccinea Theo Glenn 1982-10-7 Riverside Snow Creek 396 Comment
  CAS-BOT-BC434522  Boerhavia diffusa S. B. Parish; W. F. Parish 1881-7-1 590 Riverside Base of San Jacinto Mt. Comment
  RSA518302  Boerhavia intermedia A. C. Sanders 1989-9-19 9511 Riverside Chocolate Mtns Aerial Gunnery Range, 1.75 km S of Tabaseca Tank, along the wash above ''Tabaseca Target. 680 Comment
  JOTR32410  Boerhavia triquetra var. intermedia Harding, Mitzi, T. Herskovits, D. Shade 2011-8-11 2 Riverside Joshua Tree National Park. Valley west of Pinto Mountains along Rte 11; Belle Campground; Gravelly flats with granitic boulder outcrops 1154 Comment
  JOTR30290  Boerhavia wrightii La Doux, Tasha, Bill Truesdell 2006-10-3 1785 Riverside Joshua Tree National Park. Pinto Basin: (Stop 2) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 694 Comment
  UC851715  Boerhavia wrightii C. Epling and Wm. Stewart 1936-9-1 Riverside Desert Center Comment
  UCR103786  Bolboschoenus maritimus subsp. paludosus Scott D. White 1994-10-17 2466 .2 Riverside Temecula Valley, Murrieta Creek channel, downstream from confluence with Santa Gertrudis Creek, south of bridge at Winchester, north of Long Valley Road. 305 Comment
  UCR130148  Bolboschoenus maritimus subsp. paludosus Joseph A. Ewan, Carl Epling 1933-5-12 7609 Riverside South shore of Lake Elsinore 378 Comment
  UCR232017  Bolboschoenus maritimus subsp. paludosus John F. Green 2008-4-21 02- 03 Riverside Peninsular Range, south edge of Perris, drainage way between housing tracts, west of Goetz Rd. and east of Alabaster Loop 450 Comment
  UCR23964  Bothriochloa barbinodis John C. Roos 1946-9-14 3027 Riverside Santa Rosa Mtns, E of Pinyon Flats 1159 Comment
  UCR2190  Bouteloua barbata F. M. Reed 1934-9-26 8959 Riverside San Jacinto Mtns., Herkey Creek camp 1341 Comment
  SD7572  Bowlesia incana unknown 1882-4-23 Riverside Temecula Rancheria (mak 2/07) Comment
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Mar 25 2015
  UCR260893  Bowlesia incana A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41528 Riverside Woodcrest area of Riverside, wet canyon 0.25 km ENE of Evening Star Rd., 0.25 km north of Ridge Canyon Dr., above Woodcrest Dam 372 Comment
  SEINET3921363  Brachypodium distachyon Scott D. White, Teresa Salvato 2001-6-8 8584 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. (Temecula).; 0 335 Comment
  JEPS78698  Brandegea bigelovii S. B. Parish 1912-10-23 8292 Riverside near Mecca (Chuckwalla Mountains, Red Canyon); Chuckwalla Mountains, Red Canyon Comment
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Nov 24 2011
  RSA394243  Brandegea bigelovii P. J. Remple 1942-3-1 s.n. Riverside Deep Canyon wash. Comment
  SBBG69427  Brandegea bigelovii M. N. Ackley 1928-3-31 120 Riverside Painted Cyn 243 Comment
  UCR148303  Brandegea bigelovii John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  RSA0017413  Brandegea bigelovii Marcus E. Jones 1931-9-15 s.n. Riverside Hayfields. No. Colorado Desert. Comment
  SD132412  Brassica fruticulosa A. C. Sanders, O. F. Clarke 1989-4-5 9035 Riverside Box Springs Mountains, on the east edge of Riverside; at the end of the dirt road in Two Trees Canyon. Comment
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Sep 10 2011
  CAS-BOT-BC36847  Brassica tournefortii Lewis S. Rose 1962-3-2 62006 Riverside La Quinta. 3 Comment
  RSA0124391  Brassica tournefortii Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8745 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
  SD232232  Brassica tournefortii Scott D. White 2003-3-23 8844 Riverside Santa Rosa Mountains: Desert slope; Hwy 74 near Carrizo Creek crossing. 609 Comment
  UCR243159  Brassica tournefortii LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4295 Riverside Transverse Ranges; San Bernardino Mountains, Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat Canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon 871 Comment
  UCR41558  Brassica tournefortii A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6014 Riverside Chuckwalla Valley, 1 mi west of Hayfield Lake, 2 mi SW of the pumping station on a small cutoff road from Hayfield Rd to the dirt road to the Colorado River Aqueduct 427 Comment
  CDA19751  Brickellia californica H. Leach 1958-9-12 s.n. Riverside Southern California; San Jacinto Mtn. 0 Comment
  UCR34878  Brickellia californica L. B. Ziegler 1973-10-20 520 Riverside San Jacinto Mtns., Hemet (Garner) Valley, W side of valley. 1500 Comment
  JOTR32362  Brickellia oblongifolia var. linifolia La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2477 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast side of Quail Mountain; Steep, loamy, loose slopes just below the summit (Stop 3) Comment
  SEINET8466114  Brodiaea filifolia James Henrickson 1969-1 Riverside Comment
  RSA771811  Brodiaea santarosae Steve Boyd 2010-5-26 12277 Riverside Elsinore Peak, south slope, just north of trail along old Main Divide Road and east of road up to communications towers 1037 Comment
  RSA771884  Brodiaea santarosae Steve Boyd 2010-5-28 12282 Riverside Elsinore Peak, southeast of peak, north of trail along old Main Divide Road east of road up to communications towers 1012 Comment
  CDA1786  Bromus arenarius A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24211 Riverside Perris-Aguanga Basin region; Hemet, SE of intersection of State Street and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley, 1 mi. SSW of Hemet Butte Comment
  CAS-BOT-BC149328  Bromus arizonicus F. H. Billings 1931-4-1 s.n. Riverside Redlands. Comment
  CAS-BOT-BC149306  Bromus carinatus var. carinatus H. M. Hall 1901-6-1 2226 Riverside San Jacinto Mountains. Along water courses in the vicinity of Strawberry Valley. 1615 Comment
  CAS-BOT-BC156281  Bromus catharticus John Thomas Howell 1960-3-24 35147 Riverside Hemet. Comment
  SEINET4691497  Bromus diandrus A. C. Sanders, John F. Green 2012-1 40036 Riverside Peninsular Range; Santa Ana Mtns. Region: Temescal Canyon along Temescal canyon Rd. between Glen Ivy and Indian Truck Trail c 370 m NW of El Hermano Rd. 312 Comment
  UCR92448  Bromus diandrus A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18110 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  RSA655218  Bromus grandis Scott D. White 1999-6-6 7446 Riverside Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds at terminus of USFS Road 5S24.2. 1432 Comment
  UCR2219  Bromus hallii F. M. Reed 1908-7-13 2476 Riverside San Jacinto Mtns, N margin of meadow in Tahquitz Valley 2439 Comment
  UCR120897  Bromus hordeaceus A. C. Sanders, D. Malueg 2002-4-8 24908 Riverside Perris-Aguanga Basin region, Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta 396 Comment
  SEINET266964 Image available Bromus hordeaceus subsp. molliformis D. Atwood, L. Stritch 1993-4-2 17914 Riverside Santa Rosa Plateau TNC Preserve and adjacent to BLM administered lands. 671 Comment
  SEINET258474 Image available Bromus orcuttianus var. hallii Unknown 1990-6-25 679 Riverside San Jacinto Mtns., ca 3 km SE of Pine Cove on San Bernardino NF Rd 5S10 1830 Comment
  SBBG100551  Bromus rubens W. L. Halvorson 1977-3-13 77 -181 Riverside near Temecula Comment
  SD236136  Bromus tectorum A. C. Sanders, T. B. Salvato 2006-6-2 33089 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 548 Comment
  CLARK-A1528-4559  Bromus trinii John C. Roos 1962-3-24 Riverside Whitewater Canyon Comment
  UC816450  Bromus trinii C. L. Hitchcock 1940-4-2 5924 Riverside Joshua Tree National Monument, Cotttonwood Spring wash Joshua Tree National Monument; , Cotttonwood Spring wash Comment
  UCR214137  Bromus trinii A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37717 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, 0.45 mi NNE (14 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 418 Comment
  RSA405289  Caesalpinia virgata M. B. Dunkle 1933-5-6 3440 Riverside Painted Canyon. Comment
  UC555387  Caesalpinia virgata Margaret Stason 1927-3-12 Riverside Colorado Desert, Painted Canyon Comment
  UCR275545  Caesalpinia virgata D. E. Bramlet 2010-3-1 4460 Riverside Sonoran (Colorado) Desert, West Berdoo Canyon, Little San Bernardino Mtns., c. 6 air miles north of Indio 366 Comment
  UCR164924  Calandrinia 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
  RSA180493  Calandrinia ciliata E. W. Lathrop 1960-5-27 5210 Riverside 6 miles west of Murrieta. Comment
  UCR106875  Calandrinia ciliata Michael A. Patten 1993-2-27 s.n. Riverside Paloma Valley, along Garboni Rd, just east of Antelope Rd. 450 Comment
  UCR107717  Calandrinia ciliata A. C. Sanders 1997-3-1 19742 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
  UCR228846  Calandrinia ciliata A. C. Sanders, Nathan Moorhatch 2011-3-22 38789 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland in Menifee Valley, powerline route along McLaughlin Rd. east of Trumble Rd. and west of Antelope Rd. 440 Comment
  UCR241773  Calandrinia ciliata A. C. Sanders 2013-4-9 40782 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland, along SCE powerline route east of I-215, parallel to McLaughlin Rd., west of Trumble Rd., SE of Perris 436 Comment
  RSA33865  Calocedrus decurrens N. C. Cooper 1943-9-11 908 Riverside Dr. Robert L. Rutherford's Lot, Idlewild, 1676 Comment
  RSA377389  Calochortus concolor N. C. Cooper 1944-7-16 1386 Riverside San Jacinto Mountains. West side. 1220 Comment
  RSA741582  Calochortus concolor Scott D. White, Justin M. Wood 2008-6-17 12178 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  UCR138761  Calochortus concolor Scott D. White 1997-5-18 5167 Riverside San Jacinto Mtns., Northern Escarpment south of Banning: along Hwy 243, c. 5 road mi SE of Banning and 5 road mi NW of Vista Grande 1159 Comment
  CAS-BOT-BC488539  Calochortus concolor E. A. McGregor 1941-6-13 34 Riverside Pines-to-Palms Highway, near Public Camp, San Jacinto Mountains Comment
  JEPS17807  Calochortus excavatus W. L. Jepson 1903-8-8 2321 Riverside San Jacinto Mt., at Log Cabin on upper trail San Jacinto Mt. 2438 Comment
  RSA5545  Calochortus invenustus Carl B. Wolf 1932-8-5 3966 Riverside Trail from Tahquitz Valley to San Jacinto Peak, San Jacinto Mountains. 2744 Comment
  RSA784189  Calochortus nuttallii J. D. Olmsted 1959-7-1 700 Riverside Willow-Tahquitz Creek. Wellmans Cienega between saddle and San Jacinto Peak along trail 5 mi NE of Idyllwild. 2805 Comment
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Oct 18 2012
  CAS-BOT-BC132460  Calochortus plummerae Marcus E. Jones 1926-6-20 s.n. Riverside Near [Bannnig] Banning Comment
  UCR217529  Calochortus plummerae Diane Menuz 2008-6-20 474 Riverside San Bernardino Mtns. foothills, Bogart County Park, c. 350 m SW of fishing pond 987 Comment
  UCR222418  Calochortus plummerae D. E. Bramlet, M. Riedel-Lehrke 2006-6-13 4021 Riverside Peninsular Range; Perris-Aguanga Basin Region, West Hemet Hills, 1.28 km south of Florida Ave. & 1.31 km east of Hwy 79/Winchester Rd. 625 Comment
  UCR174331  Calochortus splendens A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32559 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
  POM351420  Calycoseris wrightii M. B. Dunkle 1937-3-25 4915 Riverside Colorado Desert. Shaver's Well Comment
  RSA3969  Calycoseris wrightii C. B. Wolf 1932-4-29 3107 Riverside Eastern Colorado Desert, 9 mi S of Brown's Well on the Blythe-Rice Road [Midland Rd]. 243 Comment
  UCR279335  Calycoseris wrightii A. C. Sanders, Jim Malusa 2017-3-23 42924 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 2.3 miles east of Iris Pass 787 Comment
  NY1057826  Calyptridium monandrum N. H. Holmgren 1973-3-23 6483 Riverside At the south entrance to Joshua Tree national Monument, near Interstate 10, 24 miles east of Idaho 549 Comment
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May 23 2010
  SD124513  Calyptridium monandrum J. Sauer, Hart Walter 1980-5-17 6095 Riverside San Jacinto Mountains; near Lake Fulmor. Comment
  SDSU18977  Calyptridium monospermum Michael G. Simpson, Jamie Hall, Michael Silveira, Lori Simpson 2007-6-16 2897 Riverside Tahquitz Meadow, San Jacinto Mountains, along trail, ca. 100 feet north of dry creekbed, ca. 0.5 mile north of Pacific Coast Trail, ca. 1.2 miles northeast of Taquitz Peak. 2408 Comment
  RSA466602  Calyptridium parryi var. parryi E. C. Jaeger 1921-6-15 s.n. Riverside Strawberry Valley. 1585 Comment
  HSC94250  Calystegia macrostegia subsp. arida D. Atwood 1993-3-26 17684 Riverside 6 mi. NE of San Juan Capistrana along Hwy. 74 Comment
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Jun 3 2012
  UCR113902  Calystegia macrostegia subsp. arida Mitch Provance 1998-4-13 435 Riverside City of Riverside, Hillside area, near the corner of Adams and Central, along the NE periphery of the Riverside Airport. 244 Comment
  SDSU13045  Calystegia macrostegia subsp. tenuifolia James C. Dice, Tu Chung 1987-10-19 740 Riverside Along road to Field Station, ca. 0.4 km ENE of Field Station site. T8S, R3W, NW 1/4 of NW 1/4 of section 26. 347 Comment
  UCD126154  Calystegia sepium subsp. limnophila Mitch Provance; S. D. Boyd 1999-9-14 1780 Riverside Riverside: Riverbottom along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River at the Mission Bridge, along bike path, vicinity of old Boy Scout camp. 320 Comment
  RSA770637  Camissonia Robert F. Thorne, M. Z. Thorne 1973-3-30 42684 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  SEINET272325  Camissonia bistorta A. C. Sanders, G Helmkamp 1997-3-15 19965 Riverside Lake Skinner Area; lower Rawson Canyon along the dirt road toward Bachelor Mtn. UTM 10km cell: MH-9E 1N. Skinner Reser 457 Comment
  UCR138138  Camissonia bistorta D. L. Banks, V. W. Steinmann 1997-3-13 1454 Riverside NW Palomar Mtns, Agua Tibia Mtns: Redhawk Housing Development, north of the Pechanga Indian Reservation in the hills south of the intersection of Marge Place and Tehachapi Pass (S of Redhawk Parkway) 378 Comment
  UCR59923  Camissonia bistorta Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouth of Rice and McVicker Canyons 488 Comment
  UCR92042  Camissonia bistorta Scott D. White 1995-3-30 2667 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  RSA465961  Camissonia boothii subsp. condensata E. C. Jaeger 1922-3-27 707 Riverside Colorado Desert. Box Canon, near Mecca. 91 Comment
  UCR102712  Camissonia brevipes B. G. Pitzer 1998-1-24 3397 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  UCR256335  Camissonia brevipes Duncan S. Bell 2012-3-18 3214 Riverside Sonoran (Colorado) Desert, Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, c. 2.8 air miles southwest of Hidden Spring 20 Comment
  RSA136659  Camissonia brevipes subsp. brevipes Peter H. Raven 1958-3-16 11861 Riverside Fried Liver wash, Pinto Basin, Joshua Tree National Monument. Comment
  JOTR31039  Camissonia californica La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1291 Riverside Joshua Tree National Park. Stop 5: Hexie Mountains, steep gravel slopes above north side of Blue Cut Gorge Comment
  RSA594783  Camissonia californica D. L. Banks, Dylan Hannon 1996-5-3 977 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Along a xeric W facing slope, approximately 350 m SE of the Helipad at the upper camp sites. 540 Comment
  UCR174119  Camissonia californica A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32608 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
  JEPS31800  Camissonia campestris W. L. Jepson May 17 1901-Jun 1 1901 1251 Riverside San Jacinto Comment
  UCR243184  Camissonia campestris Kate Kramer 2012-5-8 261 Riverside Peninsular Range; San Jacinto Mountains, c. 0.25 km east of National Forest Land boundary on north side of Hwy 74 near the Cranston Fire Station 575 Comment
  CLARK-A1656-663  Camissonia cardiophylla Lois Ann Scott 1978-12-1 Riverside San Jacinto Mountains 152 Comment
  CLARK-A1703-1257  Camissonia cardiophylla Robin L. Kobaly 1977-3-23 Riverside Box Canyon Comment
  RSA651862  Camissonia cardiophylla David B. Dunn 1947-7-12 2982 Riverside Pushawalla Canyon, Indio Hills. Comment
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May 24 2012
  CLARK-A1528-660  Camissonia cardiophylla subsp. cardiophylla Charlotte Stocks 1962-5-23 Riverside Coachella Comment
  UCR118642  Camissonia claviformis George K. Helmkamp 1998-4-3 3081 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek area north of Mt. San Jacinto; at edge of stream south of Snow Creek Rd at a point 1.4 mi. south of Calif. Hwy 111 396 Comment
  UCR20765  Camissonia claviformis A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1330 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  SEINET10492071  Camissonia claviformis Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-21 Holmgren 6440 Riverside Blythe-rice road, 17 airline mi n-nw of blythe. T4s, r21e, sec 13. Common in wash.petal white. 259 Comment
  JOTR33804  Camissonia claviformis subsp. aurantiaca La Doux, Tasha, B. Truesdell 2007-11-9 3302 Riverside Joshua Tree National Park. Pinto Basin; Fried Liver Wash along Route 11 where the wash crosses the road (STOP 1) 532 Comment
  POM126250  Camissonia claviformis subsp. aurantiaca Thomas Craig 1927-2-6 37 Riverside Canyon near Hidden Springs, Colorado Desert. Comment
  RSA776818  Camissonia claviformis subsp. aurantiaca Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-28 1091 Riverside Chuckwalla Mountains, Corn Springs Road; Road crossing of main wash that drains Chuckwallas to the east toward the Chuckwalla Bench 427 Comment
  UCD103281  Camissonia contorta C. L. Hitchcock; C. V. Muhlick 1962-3-16 22136 Riverside Temescal Canyon, 8 miles SE of Corona. Comment
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Jun 24 2020
  UCR182438  Camissonia hirtella Mitch Provance 2003-4-17 4630 Riverside San Bernardino Valley, Riverside, W base of Box Springs Mts., Big Springs Arroyo, N. side of Big Springs Rd., west of the railroad tracks 360 Comment
  UCR98114  Camissonia hirtella 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
  RSA449035  Camissonia ignota Christopher Davidson 1973-4-1 1802 Riverside Agua Tibia Mountains. Highway 71/79 approximately 7 miles from junction of US 395 South. 412 Comment
  UCR3353  Camissonia ignota T. R. Plumb 1964-4-23 s.n. Riverside Box Springs Mtns., Box Springs Mountain, 1 mi. SE of Dog Lady's house [old house near crest of range, c. 33 deg. 58' 53'N, 117 deg. 17' 28'W, along road from Pigeon Pass; later park ranger's house] off SE road fork 762 Comment
  CSUSB866  Camissonia micrantha Glen W. Forister 1967-4-2 Riverside Northwest edge of Palm Springs near Farrell Drive and Alejo Drive. 170 Comment
  SEINET273116  Camissonia pallida G. K. Helmkamp, AC Sanders 1997-3-15 1501 Riverside Skinner Lake; Grassland at base of Bachelor Mtn and adjoining chaparral. UTM 10km cell; 11SMH-9E 1N Skinner Reservoir 488 Comment
  RSA186572  Camissonia pallida subsp. hallii Peter H. Raven 1958-5-5 12884 Riverside Joshua Tree National Monument, Salton View 1585 Comment
  RSA458838  Camissonia pallida subsp. pallida N. R. Zabriskie, Walter Zabriskie 1973-4-3 603 Riverside ''Poor-will Canyon'' (T5S, R4E, NE1/4 Sec 3), Palm Canyon drainage, E slope San Jacinto Mtns. 427 Comment
  RSA718877  Camissonia pallida subsp. pallida Michael Honer, L. Hulse 2005-3-7 2028 Riverside Blind Canyon; appx. 1/2 mi. N of Desert Hot Springs. 488 Comment
  SEINET269548  Camissonia refracta John Wear 1995-3-22 Riverside Colorado Desert:chuckwalla Bench upper Salt Creek wash west of Eagle Mountain Railroad 488 Comment
  UCR251668  Camissonia refracta Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 765 Riverside Sonoran (Colorado) Desert, Mecca Hills, Shaver's Well, adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  UC279693  Camissonia strigulosa Edmund C. Jaeger 1925-5-10 Riverside Vandeventer's Flats Santa Rosa Mts. 1310 Comment
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Aug 30 2011
  OBI2685  Camissoniopsis bistorta Dieter H. Wilken 1965-4-14 167 Riverside E end of Domengoni Valley, SE of Winchester 427 Comment
  RSA0112637  Camissoniopsis confusa A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23904 Riverside Perris-Aguanga Basin region: Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta. 396 Comment
  UC130498  Camissoniopsis hirtella Mrs. C. M. Wilder 1909-7-10 954 Riverside Strawberry Canyon and Strawberry Valley San Jacinto Mts. Comment
  JEPS29320  Camissoniopsis ignota Rimo Bacigalupi and L. Heckard 1962-3-26 8416 Riverside along state hwy 74 about 3 mi n Elsinore (rolling flats at lower end of arroyo drainge); drainage of Arroyo del Toro Comment
  UC56873  Camissoniopsis ignota H. M. Hall Apr. 1903 3806 Riverside vicinity of Riverside 396 Comment
  UC987818  Camissoniopsis pallida subsp. hallii Reid Moran 1941-5-5 844 Riverside e Quail Spring; Joshua Tree National Monument 1300 Comment
  RSA0120308  Camissoniopsis pallida subsp. pallida Duncan S. Bell 2016-4-16 9319 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  SDSU3391  Camissoniopsis pallida subsp. pallida H. Wedberg 1958-4-4 230 Riverside Near Whitewater. About 0.4 mile up Whitewater Canyon from Hwy 60-70-99. Comment
  UCR166112  Camissoniopsis pallida subsp. pallida A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16232 Riverside San Jacinto Mountains, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon 550 Comment
  UCR92337  Cannabis sativa Scott D. White, M. D. Wilcox 1995-7-13 3477 Riverside Santa Ana Mtns., Unnamed canyon c. 0.25 mi. SW of Grand Ave., Lake Elsinore, directly downslope from hairpin turn on State Hwy 74. 488 Comment
  UCR128904  Cardamine A. C. Sanders 2001-4-4 23911 Riverside Riverside, UCR campus 348 Comment
  CAS-BOT-BC17706  Carex alma Philip Alexander Munz 1941-5-18 16652 Riverside Elsinore Mountains. North end of Santa Rosa Ranch, 914 Comment
  CAS-BOT-BC19172  Carex barbarae I. M. Johnston 1918-5-30 2022 Riverside Temescal Canyon (near Lee Lake). 335 Comment
  UCR92649  Carex barbarae F. M. Reed 1930-3-7 6770 Riverside San Jacinto Mountains, cienega in Indian [Creek] Canyon, NE of San Jacinto. 762 Comment
  SBBG122758  Carex densa A. Parikh 1990-5-15 172 Riverside Santa Rosa Plateau Ecological Reserve, between Mesa de Colorado and Mesa de Burro, 0.6 km SE of jct of Tenaja Rd and Rancho California Rd 572 Comment
  POM259192  Carex douglasii Phillip A. Munz 1938-8-13 15331 Riverside Santa Rosa Peak. 2317 Comment
  CAS-BOT-BC353428  Castela emoryi Marcus E. Jones 1929-9-16 24964 Riverside Near Desert Center Comment
  RSA652586  Castilleja affinis C. J. Humphrey 1936-6-7 325 Riverside [No location information provided.] Comment
  RSA523540  Castilleja affinis subsp. affinis Steve Boyd, Tim S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4000 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  POM307284  Castilleja applegatei subsp. martinii Henry J. Ramsey, Henry J. Ramsey 1937-5-30 s.n. Riverside Santa Rosa Mountains. Comment
  JOTR31005  Castilleja chromosa La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1288 Riverside Joshua Tree National Park. Stop 4: Hexie Mountains, Blue Cut Gorge, canyon with sandy bottom and steep rocky walls Comment
  UCR60718  Castilleja densiflora subsp. gracilis K. Tomlinson, D. Kama, R. F. Thorne 1985-3-27 888 Riverside Santa Rosa Plateau, Mesa de Colorado 610 Comment
  UCR15963  Castilleja exserta Leland E. Francois 1966-4-3 4366- 1 Riverside Peninsular Range, south of Sun City, 3.4 mi west of Hwy 395 on Newport Road 439 Comment
  UCR173151  Castilleja exserta Abby Sirulnik 2000-4-25 17 Riverside Peninsular Ranges, Southwestern Riverside County Multispecies Reserve, c. 3 mi NE of Skinner Reservoir 610 Comment
  SDSU13332  Castilleja exserta subsp. exserta Tom Duffy, Taria Sagar 2000-4-29 6 Riverside Two hundred meters NE of Santa Margarita Ecological Reserve North field station 320 Comment
  SD185309  Castilleja foliolosa T. B. Salvato, John F. Green 2004-5-27 633 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 1402 Comment
  UC1075900  Castilleja foliolosa E. K. Balls 1955-4-4 20431 Riverside San Juan Capistrano to Elsinore (11 mi ne from Orange-Riverside county line) 579 Comment
  UCR15990  Castilleja foliolosa Sue Freeman 1966-4-30 s.n. Riverside Peninsular Range; San Jacinto Mtns., 10 mi west of Banning on Banning-Idyllwild Road 610 Comment
  UC26457  Castilleja miniata H. M. Hall 1901-7-29 2547 Riverside along West Fork Snow Creek West Fork Snow Creek (North Side); San Jacinto Mountains 1524 Comment
  UCR110968  Castilleja minor George K. Helmkamp 1998-6-27 4099 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  POM312155  Castilleja minor subsp. spiralis N. C. Cooper 1194 Riverside Whitewater Canyon. 457 Comment
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Jun 26 2008
  UC64211  Castilleja minor subsp. spiralis H. M. Hall 1901-7-24 2542 Riverside n side San Jacinto Mountains Comment
  UCR193360  Castilleja minor subsp. spiralis A. C. Sanders, Tim Thomas 2008-6-20 35552 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  POM14299  Caulanthus cooperi P. A. Munz, D. D. Keck 1922-4-9 4787 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  RSA5007  Caulanthus heterophyllus C. B. Wolf 1932-3-20 7 Riverside Richman Ranch, 2.5 miles north of De Luz. 457 Comment
  SBBG87902  Caulanthus heterophyllus L. F. LaPre 1986-4-17 Riverside Bull Cyn, Gavilan Hills (cf. var. pseudosimulans Buck, nom. illegit.) Comment
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May 31 2013
  UCR165194  Caulanthus heterophyllus S. J. Myers 2001-4-6 s.n. Riverside San Jacinto Mtns., Bautista Canyon 976 Comment
  UCSB9774  Caulanthus heterophyllus Haller, John 1957-3-23 Riverside Morongo wash, ca. 4.5 road miles N of U.S. 99 and 3 air miles S of Riverside-San Bernardino Co. line 609 Comment
  UCR68474  Caulanthus lasiophyllus var. rigidus Steve Boyd, A. C. Sanders, M. Skinner 1990-4-28 4444 Riverside Peninsular Range, Vail Lake area, summit of 'Big' Oak Mtn., north of [Vail] Lake 823 Comment
  LA51431  Caulanthus simulans H. Lewis; 1935-4-6 sn Riverside Palm Springs 152 Comment
  POM254867  Ceanothus crassifolius W. Pequegnat 1940-4-13 s.n. Riverside Bedford Road, Santa Ana Mts. 793 Comment
  RSA543205  Ceanothus crassifolius Steve Boyd 1991-3-17 5480 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
  RSA606761  Ceanothus crassifolius Jon E. Keeley 1996-5-13 27423 Riverside In on N side of Agua Tibia Range, 2-3 km S of Agua Tibia Wilderness boundary gate on trail extending ca. 100 m S of enclosed reservoir on ridge SE of Woodchuck Resort at end of Woodchuck Rd., S of Hwy 79. 1000 Comment
  UCR143147  Ceanothus crassifolius Steve Boyd, T. S. Ross 1993-3-23 7901 Riverside Palomar Mountains, Palomar Range south of Vail Lake at the N base of Agua Tibia Mtn., Agua Tibia Wilderness area, Cleveland National Forest, along trail extending S from end of Woodchuck Rd. 671 Comment
  SD129398  Ceanothus cuneatus Ed LaRue May 1989 Riverside Hills east of Beaumont, along Potrero Creek, 1/2 mi. E of old San Jacinto Nuevo Y Potrero land grant 701 Comment
  SFV2219  Ceanothus cuneatus P. G. Kilburn 1958-5-31 835 Riverside San Jacinto Mountains Hemet Valley. 10.6 miles south of campground turnoff road, north of Idylwild. 1372 Comment
  UC870533  Ceanothus leucodermis I. W. Clokey, E. G. Anderson 1935-8-21 6737 Riverside Fuller's Creek 1500 Comment
  LA44898  Ceanothus oliganthus var. orcuttii W. Pequegnat; 1938-6-15 sn Riverside Santa Ana Mountains, Bear Springs Comment
  RSA496739  Ceanothus oliganthus var. sorediatus Maureen Pendleton 1988-2-1 s.n. Riverside Ca. 2.5 mi. S of Temecula between I-215 and Rainbow Canyon Road. 412 Comment
  RSA557891  Ceanothus oliganthus var. sorediatus Steve Boyd, Orlando Mistretta 1992-4-22 7002 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  RSA517098  Ceanothus ophiochilus Steve Boyd, Tim S. Ross, L. Arnseth 1989-3-12 2960 Riverside Vail Lake area, 1 mi. W of Lake. Comment
  RSA569995  Ceanothus ophiochilus Steve Boyd, Kyle Boyd 1993-3-28 7910 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
  UC1611573  Ceanothus ophiochilus Steve Boyd, Tim Ross 1993-3-23 7892 Riverside Palomar Range s of Vail Lake (at n base of Agua Tibia Mt., Agua Tibia Wilderness Area, Cleveland National Forest, along trail extending s from end of Woodchuck Road); Palomar Range, Cleveland Nat'l Forest, Agua Tibia Mt. 609 Comment
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Sep 20 2010
  CAS-BOT-BC63467  Ceanothus palmeri Carl B. Wolf 1941-8-12 11142 Riverside San Jacinto Mts. 3.5 mi. nw. Idylwild on Dark Canyon Rd. 1645 Comment
  UC870622  Ceanothus palmeri I. W. Clokey, E. G. Anderson 1935-8-21 6736 Riverside Fuller's Creek San Jacinto Mts. 1500 Comment
  RSA0019593  Ceanothus palmeri Keith E. Hoffmaster 1937-6-6 776 Riverside San Jacinto Mountains. Comment
  RSA714663  Ceanothus papillosus Chris E. True, Robert Cox 2004-7-7 s.n. Riverside Santa Ana Mtns.: Main Divide Trail, 0.6 km NE of summit of Pleasants Peak. 1067 Comment
  CAS-BOT-BC51924  Ceanothus perplexans H. E. McMinn 1925-7-1 1460 Riverside Jack Rabbit Grade to San Jacinto from Banning Comment
  UC219297  Ceanothus perplexans P. A. Munz and I. M. Johnston 1922-5-19 5448 Riverside Keen Camp San Jacinto Mts. 1524 Comment
  LA102309  Ceanothus tomentosus John C. Roos; 1950-5-6 4785 Riverside Santa Ana Mountains, at the head of Hagador Canyon, S of Corona Comment
  UCR170097  Cenchrus ciliaris John F. Green, Nathan Moorhatch 2005-4-26 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, Indio, south of Indio Blvd., between Burr St. and Ave. 42, within sight of I-10 12 Comment
  UCR97466  Cenchrus echinatus A. C. Sanders, Pam MacKay, Tim Thomas, G. K. Helmkamp 1997-2-8 19677 Riverside Colorado Desert, Coachella Valley, North Palm Springs, Indian Avenue at I-10 freeway; Garnet. 188 Comment
  UCD130005  Centaurea iberica R. M. Howie 1952-10-4 Riverside Fuller Rancho near Corona. Comment
  SEINET2046214 Image available Centaurea melitensis Howard Scott Gentry 1948-6 8180 Riverside Gentry Farm, ca. 3 mi NE of Murrieta. Comment
  UCR115138  Centaurea melitensis Mitch Provance 2000-10-28 2273 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 290 Comment
  SEINET3094376 Image available Centaurium calycosum L. A. McGill, H. S. Gentry 1979-5-25 2555 Riverside Murrieta; Howard Scott Gentry Experimental Research Ranch. Comment
  RSA617985  Centaurium venustum R. E. Riefner Jr. 1998-5-15 98 -301 Riverside Elsinore Trough between Willard and Murrieta Creek, Lake Elsinore. Comment
  CAS-BOT-BC279123  Centromadia pungens subsp. laevis David D. Keck 1932-10-2 1946 Riverside Just north of Temecula Comment
  RSA0086790  Centromadia pungens subsp. laevis D. E. Bramlet 2005-7-13 3904 Riverside Perris-Aguanga Basin Region; San Jacinto Valley: Bloome Parcel, 2550 ft north of San Jacinto River, 1580 ft south of South Contour Rd., 4700 ft east of Mystic Lake Duck Club. 433 Comment
  RSA0097762  Centromadia pungens subsp. laevis Marc A. Baker, Youssef Atallah, Cecile Shohet 2015-7-3 18384 Riverside 34 km ENE of central Riverside, 100m south of San Timoteo Wash, 2.2 km ESE of El Casco Lake. 615 Comment
  RSA683882  Centromadia pungens subsp. laevis Barry L. Jones 2003-5-29 s.n. Riverside USGS quad. For Wildomar & Lake Elsinore, Lake Elsinore area, just north of the intersection of Corydon Road & Grand road. Comment
  UCR253358  Centromadia pungens subsp. laevis Ana Hernandez, Karyn L. Drennen 2013-5-7 045 Riverside Perris Aguanga Basin, Salt Creek, 75 meters south of Olive Avenue, 50 meters east of Rice Road 438 Comment
  RSA735990  Centromadia pungens subsp. pungens Scott D. White, Justin M. Wood 2008-6-26 12295 Riverside Perris Basin: I-215 freeway @ stream crossing, just W of golf course and just N of Newport Rd. 434 Comment
  CHSC26365  Centrostegia thurberi James Henrickson 1971-5-29 5573 Riverside 15 mi. SW of Twentynine Palms, 2 1/2 mi. N. of Salton View in Joshua Tree Nat'l Monument. 1280 Comment
  UCR90805  Cerastium glomeratum A. C. Sanders, G. K. Helmkamp 1996-3-17 17983 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
  POM230756  Cercidium floridum E. N. Anderson, I. W. Clokey 1935-4-17 6705 Riverside Shaver's Wells Comment
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Apr 24 2011
  RSA232956  Cercidium floridum D. A. Young 1969-4-18 P- 320 Riverside 3 miles SE of Hwy 74 ( approx. 8 miles S of Palm Desert, Cali.) on Carriage Trail road near the Deep Canyon Research Station. 366 Comment
  LA47742  Cercocarpus betuloides W. B. Welch; 1928-5-5 sn Riverside San Jacinto Mountains, Idyllwild and Lily Rock Comment
  RSA562609  Cercocarpus betuloides Steve D. Boyd 1992-10-14 7717 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Northeastern corner of the wilderness, south of Elsinore Peak. 976 Comment
  SD229254  Cercocarpus betuloides var. betuloides Dick Schwenkmeyer 2012-8-6 772 Riverside Garnet Queen Mine on Santa Rosa Mountain road, 4.1 miles southeast of the intersection of highway 74 and Santa Rosa Mountain Road. 1834 Comment
  RSA674958  Cercocarpus minutiflorus Scott D. White, Teresa Salvato 2001-6-8 8569 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  CAS-BOT-BC279439  Chaenactis Elizabeth McClintock 1964-4-8 s.n. Riverside East of Indio Comment
  CLARK-A1528-5000  Chaenactis artemisiifolia John C. Roos 1937-5-10 2070 Riverside Comment
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Jun 24 2014
  RSA523316  Chaenactis artemisiifolia G. H. True 1935-4-18 229 Riverside Mockingbird Canyon 457 Comment
  UC894410  Chaenactis artemisiifolia E. C. Jaeger 1922-6-23 Riverside w slope of San Jacinto Mts. San Jacinto Mts. 1005 Comment
  RSA779581  Chaenactis carphoclinia Duncan S. Bell 2009-3-7 13 Riverside Arica Mountains: east side of mountain range, approximately 1.7 air miles west of Priest Well. 431 Comment
  UCR164059  Chaenactis carphoclinia A. C. Sanders, P. J. MacKay, Tim Thomas 2005-2-26 29145 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  SEINET10799442  Chaenactis carphoclinia David B. Dunn 1946-3-15 Dunn 2053 Riverside Collected on dry plateau in vicinity of Pushawalla Canyon, Indio Hills. Comment
  RSA718569  Chaenactis carphoclinia var. carphoclinia Michael Honer, L. Hulse 2004-4-3 1888 Riverside Nameless canyon appx. 1 mi. W of Pushawalla Cyn., leading up to MWD aqueduct. 488 Comment
  RSA761043  Chaenactis carphoclinia var. carphoclinia Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-4-21 154 Riverside N of Desert Center. Jct of Hwy 177 and Kaiser Rd. W of Kaiser Rd. N of Hwy 177. 335 Comment
  UCR72459  Chaenactis carphoclinia var. carphoclinia Theo Glenn 1991-5-15 91- 42 Riverside Sonoran (Colorado) Desert, Little Maria Mountains, NW of Blythe 351 Comment
  CAS-BOT-BC276917  Chaenactis fremontii Geo. B. Grant 1906-4-20 6708 Riverside Palm Springs Comment
  LA212022  Chaenactis fremontii Deidre Conocchioli; Duncan Bell 2014-3-4 142 Riverside Off the Pacific Crest Trail in the San Bernardino Mountains. In Whitewater Canyon 8.5 miles E of Hwy-62. Just S of Red Dome. 695.0 Comment
  POM259906  Chaenactis fremontii Philip A. Munz 1940-3-23 15721 Riverside 3 miles north of Cottonwood Springs, Eagle Mts. 915 Comment
  POM66644  Chaenactis fremontii Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  RSA182341  Chaenactis fremontii J. D. Olmsted 1962-5-1 3431 Riverside 5 degrees NE slope just west of top of highest Southern California waterfall; 1/4 mi. SE of Falls Plateau, Snow Canyon N of Mt. San Jacinto 945 Comment
  RSA774500  Chaenactis fremontii Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4422 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  SEINET2049424 Image available Chaenactis fremontii John Adams 1965-4-17 132 Riverside Hwy 111, 2 mi. E of Palm Springs near foothills. 244 Comment
  UC579464  Chaenactis fremontii H. S. Yates 1936-4-7 5426 Riverside near Whitewater; San Jacinto 304 Comment
  UC665833  Chaenactis fremontii Ira L. Wiggins 1941-3-27 9700 Riverside slopes 4 mi n of Whitewater Comment
  UCR234802  Chaenactis fremontii Jim Andre, Glenn L. Clifton 2011-2-22 17475 Riverside Coachella Valley, North Palm Springs c. 0.3 mi north of Hwy 111, at corner of San Rafael and Virginia Street 189 Comment
  UCR174246  Chaenactis glabriuscula A. C. Sanders, T. B. Salvato 2006-6-2 33072 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  CAS-BOT-BC277405  Chaenactis glabriuscula var. glabriuscula C. L. Hitchcock 1940-4-12 6038 Riverside 8 mi. northwest of Elsinore 457 Comment
  LA83500  Chaenactis glabriuscula var. glabriuscula O. H. Kappler; 1950-4-1 2039 Riverside Cabazon, E of Banning 655 Comment
  RSA180441  Chaenactis glabriuscula var. glabriuscula E. W. Lathrop 1965-5-30 5773 Riverside 6 miles W of Murrieta. Comment
  UC63259  Chaenactis glabriuscula var. glabriuscula H. M. Hall 1904-5-16 4947 Riverside vicinity of Riverside; , Fairmount Park 243 Comment
  UCR96798  Chaenactis glabriuscula var. glabriuscula G. F. Pratt 1997-3-8 s.n. Riverside Box Springs Mtns, S-facing slopes near highest peak, right around radio towers. 915 Comment
  SD247316  Chaenactis stevioides T. B. Salvato, R. T. Hawke, et al. 2013-3-8 7303 Riverside Sonoran (Colorado) Desert: south of Highway I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road about 1.4 kilometers west of its junction with Augustine Pass Road. 136 Comment
  POM351831  Chaenactis stevioides var. stevioides D. A. Young 1969-4-18 p 426 Riverside 3 mi SE of hwy 74 (approx 8 mi S of Palm Desert) near the fence of the Univ. of Riverside Deep Canyon Research Station. 366 Comment
  JOTR35009  Chamaesyce micromera La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3111 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road, near Mission Well Comment
  JEPS52387  Chamaesyce polycarpa Ethel Rockwell 400 Riverside northwest Colorado Desert, Edom Comment
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Sep 7 2011
  RSA777345  Chamaesyce polycarpa Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4709 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
  RSA798153  Chamaesyce polycarpa Marc Baker, Michelle Cloud-Hughes 2011-12-18 17504 Riverside 67 km WNW of Blythe, 17 km west of Palen Pass, 27 km NNE of Desert Center. 177 Comment
  UC2026395  Chamaesyce polycarpa Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10053 Riverside COLORADO DESERT, CHUCKWALLA MOUNTAINS: Northwest base of the range, south of Eagle Mine Road exit on Interstate 10. Comment
  UC68677  Chamaesyce polycarpa H. M. Hall Apr., 1905 5900 Riverside Cuckawalla Wash Colorado Desert Comment
  RSA5159  Chamaesyce polycarpa var. hirtella C. B. Wolf 1932-4-26 2970 Riverside 3 mi. east of Mecca on Blythe Road. 0 Comment
  RSA611960  Chamaesyce polycarpa var. polycarpa L. C. Wheeler 1952-10-30 7011 Riverside University of California at Riverside: Citrus Experimental Station. Comment
  RSA192301  Chamaesyce serpillifolia H. A. Zuill 1966-6-29 264 Riverside about 2 miles west of Murrieta. Comment
  RSA741109  Chamomilla suaveolens Scott D. White, Justin M. Wood 2008-6-17 12159 Riverside San Jacinto Mountains: South of Hwy 79 near Keen Camp Summit. 1402 Comment
  RSA685677  Cheilanthes clevelandii Norman C. Cooper 1944-5-6 1193 Riverside Banning. 701 Comment
  UCD169089  Cheilanthes clevelandii A. C. Sanders; Mitch Provance, E. J. Lawlor 2000-1-23 23312 Riverside Lake Skinner area: summit Black Mtn. 915 Comment
  JOTR34165  Cheilanthes covillei Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 122 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
  UCR178564  Cheilanthes covillei R. G. Swinney 1967-3-5 47 Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 381 Comment
  UCR151107  Cheilanthes newberryi Scott D. White 1999-5-28 7435 Riverside Peninsular Ranges/Perris-Aguanga Basin region/Gavilan Hills, Gavilan Hills, c. 3 air mi SE of junction of Cajalco Rd. and Gavilan Rd.; east of Juniper Rd. between Blue Sky Dr. and Celestial Dr 689 Comment
  POM276887  Cheilanthes parryi Lyman Benson 1945-4-6 11654 Riverside Whitewater Canyon, 3 miles above Whitewater. 427 Comment
  POM292790  Cheilanthes parryi Lyman Benson 1949-3-28 13560 Riverside Santa Rosa Mountains. Pines to Palms Highway from Palm Springs to Hemet. 732 Comment
  POM312123  Cheilanthes parryi Norman C. Cooper 1944-4-8 1084 Riverside San Bernardino National Forest, San Jacinto Mountains: Andreas Canyon (near Palm Springs) 457 Comment
  UC399593  Cheilanthes parryi S. B. Parish 1907-4-18 6113 Riverside Palm Springs; Colorado Desert Comment
  UC424876  Cheilanthes parryi Milo S. Baker 1928-4-2 32926 Riverside Palm Canyon Comment
  UC668386  Cheilanthes viscida Annie M. Alexander and Louise Kellogg 1941-4-24 2083 Riverside gorge of Dry Morongo Creek; Morongo Valley 640 Comment
  RSA666517  Chenopodium Mitch Provance 2000-10-28 2269 Riverside Sunnyslope, residential areas near the Ormand Quarry. 274 Comment
  UCR193752  Chenopodium A. C. Sanders, Mitch Provance 2008-7-11 35755 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
  RSA423251  Chenopodium berlandieri N. C. Cooper 1943-10-9 949 Riverside Hemet. 304 Comment
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Apr 29 2011
  UCR171135  Chenopodium berlandieri John F. Green 2005-5-17 s.n. Riverside Perris-Aguanga Basin, Markham Pit; Gravel pit on SE corner of Markham Street and Day Street, south of March Air Force Base 537 Comment
  RSA478503  Chenopodium californicum George R. Johnstone 1934-3-27 s.n. Riverside Near Temecula, along inland route. Comment
  RSA543170  Chenopodium californicum Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6080 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  UCR58165  Chenopodium fremontii George K. Helmkamp 1989-10-7 s.n. Riverside Peninsular Range; San Jacinto Mtns, roadside beside Hwy 243 near Lawlor Lodge, c. 2 mi north of Pine Cove 1600 Comment
  UCR148322  Chenopodium murale John F. Green 2005-1-12 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  UCR21961  Chenopodium murale Steve Boyd 1980-5-5 200 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  RSA48313  Chenopodium murale E. K. Balls 1949-4-4 12947 Riverside near Salton Beach on Highway 111, Colorado Desert -61 Comment
  CLARK-A1528-2282  Chilopsis linearis John C. Roos 1943-5-23 2669 Riverside Dry Morongo Wash Comment
  RSA777289  Chilopsis linearis Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4551 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SEINET7248345 Image available Chilopsis linearis Duncan S. Bell, Loraine Washburn 2014-1 s.n. Riverside Orocopia Mountains; at the entrance to "Petra Canyon in Red Canyon, approximately 1 air mile north of the Bradshaw Trail. 398 Comment
  SBBG68704  Chilopsis linearis subsp. arcuata J. E. Butner 1948-10-3 659 Riverside valley floor near Cathedral City Comment
  UC27836  Chilopsis linearis subsp. arcuata H. M. Hall June, 1901 2112 Riverside e. base San Jacinto Mts. Colorado Desert, e. base San Jacinto Mts. Comment
  RSA0012171  Chloris truncata A. C. Sanders, T. B. Salvato 2011-3-28 38816 Riverside Menifee Valley, between Sun City and Perris, from McLaughlin & Evans roads intersection east to I-215 Fwy 434 Comment
  UCR157759  Chloris truncata Scott D. White 1990-9-5 s.n. Riverside Perris-Aguanga Basin region, Perris Valley, SW corner of Nuevo Rd & Dunlap Road, between Perris & Nuevo. Adjacent to the Perris Valley Storm Drain 433 Comment
  UCR113856  Chloris virgata Mitch Provance 2000-6-24 2038 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  POM364942  Chloris virgata S. B. Parish 1912-10-24 8227 Riverside Thermal, Salton Basin. -40 Comment
  CAS-BOT-BC191701  Chorizanthe brevicornu var. brevicornu H. Walton Clark 1926-6-1 s.n. Riverside Indio Comment
  UCR41543  Chorizanthe brevicornu var. brevicornu A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6011 Riverside Chuckwalla Valley, 1 mi west of Hayfield Lake, 2 mi SW of the pumping station on a small cutoff road from Hayfield Rd to the dirt road to the Colorado River Aqueduct 427 Comment
  UC472756  Chorizanthe brevicornu var. brevicornu Mary F. Spencer 1918-3-25 Riverside Colorado Desert Comment
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Jun 12 2012
  SEINET7249062  Chorizanthe leptotheca Lee A. Ripma 2008-1 Riverside Comment
  UCR243124  Chorizanthe leptotheca Kate Kramer 2012-5-8 259 Riverside Peninsular Range; San Jacinto Mountains, c. 0.25 km east of National Forest Land boundary on north side of Hwy 74 near the Cranston Fire Station 575 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
  UCR165875  Chorizanthe parryi var. parryi A. C. Sanders 2005-4-21 29568 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  RSA585738  Chorizanthe polygonoides var. longispina D. L. Banks, S. D. Boyd 1995-5-9 401 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 790 Comment
  UCR91227  Chorizanthe polygonoides var. longispina D. E. Bramlet 1995-4-25 2395 Riverside Shipley Reserve/SE corner of Lake Skinner Co. Park, within and beside the Equestrian Trail, south of the Tucalota Hills and approximately 702 m SE of the park entrance road and 610 m north of East Benton Road, just SW of knoll 1800 ft 524 Comment
  RSA746814  Chorizanthe procumbens Michael Honer 2003-7-15 1844 Riverside Rainbow area, just north of the San Diego County boundary and west of the I-15 Freeway. 366 Comment
  CAS-BOT-BC246234  Chorizanthe rigida John H. Thomas 1957-3-30 6530 Riverside 0.8 miles east of Cactus City, about 13 miles east of Coachella, near U.S. Highways 60 and 70. Colorado Desert. 518 Comment
  POM98786  Chorizanthe rigida P. A. Munz 1926-1-31 9968 Riverside Dos Palmos [Palmas] Spring. Comment
  UCR209521  Chorizanthe xanti subsp. leucotheca Robert J. Steers, Stan C. Spencer, Matt Willis 2009-6-1 s.n. Riverside San Gorgonio Pass, near the town of Cabazon, west side of the San Gorgonio River on the Morongo Indian Reservation, c. 0.2 mi. WSW of the corner of Dailey Rd. and Sullivan Rd. 675 Comment
  CAS-BOT-BC248059  Chorizanthe xanti var. leucotheca Edmund C. Jaeger 1922-4-10 s.n. Riverside Snow Creek, Colorado Desert 304 Comment
  RSA797253  Chrysothamnus nauseosus subsp. bernardinus R. F. Thorne, Walter Wisura 1977-9-17 50791 Riverside San Jacinto Mountain: slopes of peak 3171 Comment
  UC101093  Chrysothamnus viscidiflorus subsp. viscidiflorus Rev. J. C. Nevin 1900-1 Riverside San Jacinto Mt. Comment
  SD258444  Chylismia brevipes subsp. brevipes J. M. Andre 2013-3-27 24818 Riverside Riverside Mountains; east side of Riverside Mountains, along Nwy 95, 13.2 miles S of Vidal Jst. Parker SW 7.5'Q 125 Comment
  UC310587  Chylismia brevipes subsp. brevipes Philip A. Munz 1926-1-31 9950 Riverside Dos Palmos Spring Colorado Desert Comment
  JOTR35077  Chylismia cardiophylla subsp. cardiophylla La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3528 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocks; narrow drainages surrounded by loose rocky slopes Comment
  UC873921  Chylismia cardiophylla subsp. cardiophylla Ivan Johnston 1917-4-4 Riverside Palm Canyon Colorado Desert 304 Comment
  UCR279575  Chylismia claviformis A. C. Sanders, Jim Malusa 2017-3-28 43140 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
  CAS-BOT-BC160596  Chylismia claviformis subsp. aurantiaca Ira L. Wiggins 1941-3-24 9607 Riverside 6 miles northeast of Niland, on road to Beal Well Comment
  UC148686  Chylismia claviformis subsp. aurantiaca Rensselaer J. Smith Mar 1917 Riverside Whitewater Coachella Desert Comment
  UC635282  Chylismia claviformis subsp. aurantiaca H. L. Mason 1928-3-11 4242 Riverside desert flats near Indio Comment
  UCSB23977  Chylismia claviformis subsp. aurantiaca Keefe, Joseph 1967-1-2 Riverside Salton Beach Park; northeast end of Salton Sea; southeast of Mecca -36 Comment
  RSA0051555  Cirsium acaulescens Nancy Anderson 1955-5-22 s.n. Riverside Hemet Meadow. 1371 Comment
  UCR89755  Cirsium occidentale var. californicum Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3300 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
  SEINET2050012 Image available Cirsium occidentale var. coulteri Geoffrey Matthews, Jim Hearne & Robin Maetche 1971-5-1 Riverside City limits of Devore. Comment
  SEINET3146341  Cirsium occidentale var. coulteri W. B. Crockatt sn Riverside Prado 91 Comment
  UCD130580  Cirsium occidentale var. coulteri E. W. Lathrop 1966-4-27 6210 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1219 Comment
  POM12039  Cirsium scariosum Mary F. Spencer 1921-6-15 474 Riverside Idyllwild, San Jacinto Mt. 1616 Comment
  UC30796  Cirsium scariosum var. congdonii H. M. Hall 1901-7-15 2421 Riverside vicinity Strawberry Valley 1615 Comment
  UCR201884  Cirsium vulgare Justin M. Wood 2008-9-19 134 Riverside SW Perris Basin, Temecula - Murrieta Creek, downstream of First Street Bridge 305 Comment
  CAS-BOT-BC438854  Cistanthe monandra H. M. Hall 1904-5-16 4944 Riverside Vicinity of Riverside. Fairmount Park. 243 Comment
  RSA466623  Cistanthe monandra M. B. Dunkle 1949-9-22 4934 Riverside Colorado Desert. Comment
  CAS-BOT-BC228716  Cistanthe umbellata Carl B. Wolf 1932-8-5 3983 A Riverside San Jacinto Mts. Summit of San Jacinto Peak 3293 Comment
  UCR142037  Citrullus lanatus var. citroides Mitch Provance 2003-5-25 s.n. Riverside Santa Ana River Valley, north side of Ab Brown Park, along Placentia Lane 0.5 mi. SW of the La Loma Hills 255 Comment
  UCR178338  Clarkia dudleyana Tracy Tennant, Jeffrey Ross 1998-7-21 MOR- 652 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  RSA525336  Clarkia epilobioides Steve Boyd 1990-4-28 4466 Riverside Vail Lake area, Hwy R3 (Sage rd) at junction with Debby Road. just S of Sage. Comment
  UCR92053  Clarkia epilobioides Scott D. White, M. Jacobsmeyer 1996-4-20 3954 Riverside Perris-Aguanga Basin region, SW of Perris: hillside south of the San Jacinto River channel 518 Comment
  POM10388  Clarkia purpurea subsp. quadrivulnera Charlotte M. Wilder 1904-5-14 s.n. Riverside Wilders Canyon, Jurupa Hills, Comment
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Jul 4 2010
  RSA618168  Clarkia purpurea subsp. quadrivulnera D. L. Banks 1997-5-5 2018 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
  RSA182338  Clarkia rhomboidea J. D. Olmsted 1962-5-1 3426 Riverside NE slope just west of top of highest Southern Californica waterfall; 1/4 mi SE of Falls Plateau, Snow canyon N of Mt. San Jacinto. 945 Comment
  UCR20817  Clarkia similis A. C. Sanders 1980-5-22 1506 Riverside San Jacinto Mtns., Hwy 243, 0.6 mi above the foot of the mtn. at Smith Creek 732 Comment
  UCR213472  Clarkia unguiculata A. C. Sanders 2010-5-19 38417 Riverside Peninsular Range/San Bernardino Valley, Riverside, western end of North Hill, edge of Fairmont Park, above intersection of Redwood Dr. and Randall Rd. 250 Comment
  SDSU13483  Claytonia parviflora subsp. parviflora Shawn Johnston, Calf. Plant Taxonomy Class 2000-4-1 16 Riverside Santa Margarita Ecological Reserve North end. Comment
  RSA552733  Claytonia parviflora subsp. tenuifolia Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-3-31 6754 Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 670 Comment
  UCR5923  Claytonia parviflora subsp. utahensis Sue Freeman 1966-4-30 s.n. Riverside San Jacinto Mtns., Above Fuller Mill Creek, 50 yards up stream from Banning-Idyllwild road 1616 Comment
  SBBG34198  Claytonia parviflora subsp. viridis T. L. Secrest 1951-5-21 Riverside Idyllwild 1524 Comment
  UCR121664  Claytonia perfoliata subsp. perfoliata A. C. Sanders 1997-3-19 20016 Riverside Lake Skinner area, Lower Rawson Canyon at 3-way road junction (heron rookery site) c. 1 km NE of the lake 457 Comment
  RSA0013627  Claytonia rubra subsp. rubra LeRoy Gross, Duncan S. Bell 2013-4-30 6034 a Riverside Surveyed from Apela Drive, right at junction of road to sewage disposal ponds, south to Strawberry Creek. Started near 33.73367N, 116.75074W. And ended at 33.72912N 116.75098W. 1510 Comment
  SD152773  Clematis lasiantha Steve Boyd, T. Ross, O. Mistretta 1992-3-31 6758 Riverside Santa Ana Mountains, San Mateo Cyn. Wilderness Area. Tenaja Trail from jtn w/ Morgan Tr. S to Pigeon Spring 671 Comment
  SEINET10620175  Clematis lasiantha Greg Gust, Leith Nye 2005-3-12 Gust 559 Riverside Cleveland National Forest. Hwy 74 west of lower San Juan Picnic Area at pullout W side of Santa Ana Mountain Range. 495 Comment
  RSA752814  Clematis ligusticifolia A. C. Sanders, Tim Thomas 2008-8-1 35944 Riverside Coldwater Creek near Mountain Center, SE of Keenwild Fire Station. 1402 Comment
  UC1125977  Clematis pauciflora A. Lewis 1934-3-4 304 Riverside Tin Mine Canyon Cleveland Nat'l Forest, Corona Quad., Tin Mine Canyon Comment
  RSA440818  Cleome isomeris Emery M. Whilton 1937-1-7 s.n. Riverside Box Canyon. Comment
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Feb 14 2013
  RSA543191  Cleome isomeris Steve Boyd, Timothy S. Ross, Mike Hammit 1991-5-2 6111 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
  SEINET10420078  Coldenia brevicalyx N. Dunn, A. M. Martin 1932-3-26 Riverside Coachella. Comment
  RSA0117401  Collinsia concolor Robert L. Rutherford 1945-6-17 1675 Riverside Big Oaks Canyon, Banning. 1220 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
  SBBG47467  Collinsia heterophylla N. C. Cooper 1944-6-16 1429 Riverside Pine Cove 1524 Comment
  SFV3353  Collinsia heterophylla P. G. Kilburn 1958-5-31 836 Riverside San Jacinto Mountains Hemet Valley. 10.6 miles south of campground turnoff road, north of Idylwild. 1372 Comment
  CHSC106481  Collinsia parryi Robt. Allen; L. Fuentes 2008-4-10 Riverside Peninsular Ranges; Santa Ana Mountains region: San Juan Canyon watershed. Along Bear Canyon Trail, 0.08 air mi. SSE of the trailhead near Ortega Hwy. UTM Zone 11S; 3719120 mN 460446mE. 627 Comment
  CAS-BOT-BC52502  Colubrina californica Marjorie Clary 1935-11-17 2568 Riverside Eagle Mts. (SE. slopes), 3 mi. E. of Mecca-Blythe road Comment
  JOTR35330  Colubrina californica Harding, Mitzi, Mark Wheeler 2012-2-28 96 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; southeastern most canyon in the range (Stop 2) 265 Comment
  JOTR36484  Colubrina californica La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3424 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; narrow north fork of large canyon w/ cobbley wash and steep rocky walls (Stop 2) 338 Comment
  UCR18912  Colubrina californica John C. Roos 1960-4-8 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mts.; canyon 2.5 mi. SE of Desert Center Comment
  UCSB61501  Colubrina californica Sanders, A.; Lawlor, E. 1992-4-4 Riverside Within 1/2 mile of McCoy Spring; alluvial slopes below and to the south and canyon bottom above the spring. 243 Comment
  SBBG27785  Condea emoryi D. Myrick 1964-4-30 839 Riverside Palms to Pines (St Hwy 74), 10 mi W of Palm Desert 914 Comment
  UCR189584  Convolvulus simulans Theresa Johnson 2006-3-30 006 Riverside Peninsular Range, Santa Rosa Plateau, western edge of Mesa de Burro 571 Comment
  UCR92353  Conyza bonariensis Scott D. White, S. Ogg 1994-10-17 2462 .2 Riverside Temecula Valley, Murrieta Creek at Winchester Road bridge (Banana Avenue) 317 Comment
  RSA486462  Conyza canadensis Richard Noyes, L. Arnseth 1988-10-30 754 Riverside Harford Springs County Park vicinity. East of Park boundry and bordering Gavilan Mine Road. 610 Comment
  JEPS6759  Cordylanthus nevinii W. L. Jepson 1903-8-9 2323 Riverside near summit (forks of trail); San Jacinto Peak Comment
  RSA0011003  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Jeff Morawetz, Kathleen Ashbaker 2010-6-28 1439 Riverside San Bernardino National Forest: Garner Valley, just north of the community of Thomas Mountain, approximately 3.6 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1384 Comment
  POM355979  Coreopsis bigelovii Ora M. Clark 1929-3-17 1709 Riverside NW Whitewater, Colorado Desert. Comment
  RSA660640  Corethrogyne filaginifolia Starr Streight 1982-4-17 5 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  RSA829  Corethrogyne filaginifolia J. T. Howell 1927-8-2 560 Riverside Near Strawberry Valley, Mt. San Jacinto. 1677 Comment
  UC21516  Cornus nuttallii H. M. Hall June, 1901 2245 Riverside in canyons of w. side San Jacinto Mts. (Dark Canyon); , Dark Canyon 1828 Comment
  SDSU12244  Cotula australis Lara Tikkanen, Taxonomy of California Plants class, M. G. Simpson, instructor 2000-4-1 4 Riverside Comment
  UCR861  Cotula australis Shirley Ward 1957-5-3 s.n. Riverside San Bernardino Valley Region, Riverside, 1065 8th Street [= University Ave.; near UCR campus] 305 Comment
  HSC85402  Cotula coronopifolia Steve Boyd 1986-4-19 1720 Riverside Temescal Canyon: Warm Springs Valley, Alberhill Creek drainage, E of Nichols Rd. Comment
  CAS-BOT-BC427597  Crassula aquatica Robert F. Thorne; E. Lathrop; O. Clark; S. Carlquist 1968-4-18 37460 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California 670 Comment
  UCR174348  Crassula connata A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32487 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
  SD122942  Cressa truxillensis Steve Boyd 1985-8-7 1118 Riverside Murrieta area, Clinton Keith Road, just east of the Bear Creek development golfcourse. Comment
  POM296499  Crossosoma bigelovii Lyman Benson 1945-3-29 11632 Riverside Canyon on Palm Spring Rd. Colorado Desert Drainage Area. 671 Comment
  UC11993  Crossosoma bigelovii S. B. Parish Apr 4 1896-Apr 13 1896 4105 Riverside Palm Springs (Agua Caliente) San Jacinto Mt. (desert base of mt.) 152 Comment
  RSA644224  Croton californicus V. W. Steinmann, M. T. Wedlake 1995-4-8 655 Riverside Along Hwy. 111, 1 km northwest of Palm Springs (measured from the intersection with San Rafael Dr.). 215 Comment
  SD187396  Croton californicus Scott D. White, Angelia Carey 2004-5-7 10312 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills, along stream 548 Comment
  SJSU1875  Croton californicus J. W. Tilden 1957-4-18 1092 Riverside near Whitewater, E of San Gorgonio Pass Comment
  UCR114196  Croton setiger A. C. Sanders, D. Malueg, K. D. Jones, et al 2000-9-8 23639 Riverside Perris-Aguanga Basin Region, French Valley, near south end of Briggs Rd. on east side of Hwy 79, near industrial park, c. 0.5 km SE of Adobe Spring 384 Comment
  UCR176765  Croton setiger G. S. Nuessly 1980-11-11 s.n. Riverside Riverside: U.C. Riverside campus, near Health Center 351 Comment
  UCR260573  Croton setiger T. B. Salvato 2014-5-29 8029 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Debon Street, c. 0.7 mi west of Murrieta Rd and 4.4 mi southeast of Canyon Lake 537 Comment
  SD181767  Crypsis schoenoides A. C. Sanders, Mitch Provance 1999-9-26 23082 Riverside San Jacinto Mountains, McMullen Flat at Valley High County Park, 0.7 miles southeast of Highway 74 on Twin Pines Ranch Road; Lake Fulmor 7.5' quad. At margins of dried pool. 1182 Comment
  OBI23286  Cryptantha Robert F. Hoover 1969-4-14 11234 Riverside Palm Springs, just S of city limit Comment
  JEPS67465  Cryptantha angustifolia W. L. Jepson 1914-5-24 6062 Riverside Palm Springs, e base Mt. San Jacinto Colorado Desert, Mt. San Jacinto 121 Comment
  JOTR30310  Cryptantha angustifolia La Doux, Tasha, Erin Babich, Bill Truesdell 2008-3-10 1743 Riverside Joshua Tree National Park. Stop 2: Near sand hill in Pinto Basin 538 Comment
  UC665815  Cryptantha angustifolia Ira L. Wiggins 1941-3-24 9574 Riverside 2.7 mi s Mortmar (along e side of Salton Sea); Salton Sea Comment
  UCR214555  Cryptantha angustifolia A. C. Sanders 2010-3-15 37405 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  UCR47804  Cryptantha angustifolia F. R. Fosberg 1932-3-13 10623 Riverside Sonoran (Colorado) Desert, Coachella Valley, Thousand Palms Canyon 213 Comment
  CDA40488  Cryptantha barbigera T. C. Fuller 1962-4-4 7990 Riverside West of Highway 99 [later renumbered Highway 86] to Indio, 1.3 miles north of Oasis. 0 Comment
  RSA712692  Cryptantha barbigera George K. Helmkamp 1984-5-2 D- 10 Riverside Big Morongo Canyon, 3 - 3.5 miles below the caretakers s house at the Big Morongo Preserve. 549 Comment
  JOTR29581  Cryptantha circumscissa Andre, Jim 2006-4-6 6694 Riverside Joshua Tree National Park. Wilson Canyon, along Pinto Basin Rd 865 Comment
  UCR92342  Cryptantha corollata Scott D. White, T. Keeler-Wolf 1994-5-8 s.n. Riverside San Jacinto Mtns, Foothills, San Jacinto River wash at eastern edge of Valle Vista 549 Comment
  POM254900  Cryptantha dumetorum P. A. Munz 1940-3-24 15708 Riverside 2 miles north of Cottonwood Springs, Eagle Mountains. 915 Comment
  UCR157662  Cryptantha dumetorum A. C. Sanders, K. C. Rose 1995-4-5 16384 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  RSA0040028  Cryptantha holoptera Duncan S. Bell, Evan Meyer 2014-4-2 6500 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  UCR112100  Cryptantha holoptera A. C. Sanders, T. B. Salvato 2000-4-27 23378 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
  SDSU13533  Cryptantha intermedia W. Miller with C. Mosse 1972-7-5 Riverside Comment
  SEINET3084399 Image available Cryptantha intermedia B. Pitzer 1986-4-26 183 Riverside San Bernardino Mtns.; Whitewater Canyon, c. 4.5 mi. north of Hwy I-10 on Whitewater Canyon Road 734 Comment
  UCR120943  Cryptantha intermedia A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24915 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCR128916  Cryptantha intermedia A. C. Sanders, Mitch Provance 2001-4-5 23915 Riverside Perris-Aguanga Basin region, Long Canyon, Temecula, between gas pipeline route and 'windmill,' south of BM 1221 366 Comment
  UCR172263  Cryptantha intermedia John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, City of Temecula, Immediately N and south of Murrieta Hot Springs Road along San Diego Aqueduct right-of-way 396 Comment
  UCR214583  Cryptantha intermedia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37864 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
  POM9604  Cryptantha intermedia I. M. Johnston 1920-5-8 s.n. Riverside Jurupa Mts, extreme west end. between Riverside and Ontario. Comment
  UCR103585  Cryptantha maritima George K. Helmkamp, E. A. Helmkamp 1998-2-18 2716 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; 0.3 mi south of Chuckwalla Rd. on Graham Pass Rd. 122 Comment
  POM316875  Cryptantha maritima var. pilosa E. C. Jaeger 1920-4-20 1124 Riverside Palm Springs. Comment
  CLARK-A1045-324  Cryptantha micrantha George K. Helmkamp 1977-3-20 Riverside Cabazon edge of dry wash south of Cabazon; ; Cabazon 7.5'Q Comment
  CLARK-A1656-730  Cryptantha micrantha Theo Glenn 1981-4-24 Riverside San Jacinto Mountains Comment
  SEINET2075873  Cryptantha micrantha G. Rink 1999-5-20 Riverside San Jacinto Mountains, Goff Flat at Morris Ranch Rd., SE of Idyllwild 1500 Comment
  SD39194  Cryptantha micrantha var. lepida Edith A. Purer 1935-4-21 6471 Riverside Desert floor, Palm Springs, western Colorado Desert. Comment
  RSA557870  Cryptantha micromeres Steve Boyd, Orlando Mistretta 1992-4-23 7060 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Creek from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 244 Comment
  RSA618174  Cryptantha micromeres D. L. Banks 1997-5-5 2012 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., East of where the road crosses to the southern bank of the south fork of Pechanga Creek. 427 Comment
  SBBG87640  Cryptantha microstachys A. C. Sanders, B. Pitzer 1986-4-30 6487 Riverside upper Bee Cyn, 1.3 mi above the mouth of the cyn at the San Jacinto River valley 670 Comment
  SD212524  Cryptantha microstachys A. C. Sanders 2006-5-19 32441 Riverside Hills between Murrieta and Menifee Valley, west of I-215, South of Bundy Canyon/Scott Road and North of Clinton Keith Road. 518 Comment
  UCR151242  Cryptantha microstachys Scott D. White 1999-6-6 7442 Riverside San Jacinto Mnts, Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds of USFS Road 5S24.2 1463 Comment
  UCR79268  Cryptantha microstachys Steve Boyd, T. S. Ross 1992-5-5 7239 Riverside Southern Santa Ana Mtns, San Mateo Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail 732 Comment
  RSA678951  Cryptantha muricata Scott D. White, Michael Honer 2003-6-3 9464 Riverside Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UCR167799  Cryptantha nemaclada T. B. Salvato, John F. Green 2004-5-27 571 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
  CLARK-A1528-7857  Cryptantha nevadensis John C. Roos 1949-4-11 4246 Riverside Chuckwalla Mountains Comment
  UCR218470  Cryptantha nevadensis Jim Andre, T. La Doux 2009-3-10 11256 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood 542 Comment
  UCR75063  Cryptantha pterocarya var. cycloptera A. C. Sanders, E. J. Lawlor 1992-4-4 12128 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  POM3926  Cryptantha racemosa I. M. Johnston 1002 Riverside Palm Canyon. Comment
  RSA80751  Cryptantha racemosa F. W. Peirson 1920-2-16 4718 Riverside Foot of Alkali Canyon, southeast of Palm Canyon, Coachella Valley. Comment
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Aug 30 2011
  UC857249  Cryptantha racemosa C. L. Hitchcock 1940-4-1 5913 Riverside Cottonwood Spring wash Joshua Tree National Monument Comment
  SEINET241495  Cryptantha utahensis A. C. Sanders 2001-4-8 23985 Riverside Western Colorado Desert: Coachella Vlly, Desert Hot Springs, N of intersxn of Pierson Blvd & Atlantic A, N of flood ditc 347 Comment
  CAS-BOT-BC68029  Cryptogramma acrostichoides F. W. Peirson 1921-8-14 2557 Riverside Sierra Nevada - Triple Falls, Cartridge Creek 2438 Comment
  CHSC98226  Cucurbita palmata R. E. Riefner Jr. 2006-8-2 06 -349 Riverside Lakeview Mountains, vicinity of Alicante Dr. at Jamawag Rd., N of Leon Rd. UTM: 11S 0488948E 3735311N 550 Comment
  RSA697190  Cucurbita palmata J. R. Bruff 1929-11-29 434 Riverside Split Rock.- Colo Desert. Comment
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Oct 23 2011
  POM9395  Cuscuta californica I. M. Johnston 1920-5-8 2269 Riverside Jurupa Mountains, extreme west end. Comment
  POM48873  Cuscuta ceanothi P. A. Munz, I. M. Johnston 1924-7-26 8707 b Riverside common on north slopes, 8 mi. S of Banning. 1372 Comment
  SEINET3272856  Cylindropuntia californica var. parkeri Marc A. Baker, Michelle Cloud-Hughes 2012-11-16 17637 .3 Riverside Aguanga 7.5' USGS topographic quadrangle Zone; west side of Highway 79, 1.3 km north of Oak Grove, 7.6 km southeast of Aguanga, 8.5 km southeast of Riverside. 815 Comment
  SD248373  Cylindropuntia chuckwallensis Michelle Cloud-Hughes 2013-3-17 87 Riverside Corn Springs 7.5'Q USGS quad. Corn Springs, north side of Chuckwalla Mountains; 12 km SSE of Deesrt Center, 85 km east of Indio, 67 km W of Blythe. 500 Comment
  SEINET5624455 Image available Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2012-1 17534 Riverside Chuckwalla Mountains, along Corn Springs Wash, 2.5km WNW of Com Spring, 69km west of Blythe, Corn Spring 7.5' USGS topographic quadrangle 550 Comment
  SEINET9037429 Image available Cylindropuntia echinocarpa M. A. Baker, Michelle Cloud-Hughes 2015-1 18399 Riverside San Gorgonio River, 2km south of Cabazon, 2.6km NNW of Hurley Flat, 26km WNW of central Palm Springs 510 Comment
  JEPS66893  Cylindropuntia ramosissima W. L. Jepson 1928-4-25 12622 a Riverside Cottonwood Spr. n. Colorado Desert, Cottonwood Mts. 731 Comment
  RSA40565  Cymopterus panamintensis var. acutifolius J. C. Roos 1947-2-15 3243 Riverside Lost Palms Cyn. S face of Eagle Mtns., west of Hayfeilds. Comment
  UCR64262  Cyperus difformis Scott D. White 1990-9-25 s.n. Riverside Santa Rosa Plateau, c. 5 mi (airline) SW of Temecula, on Via Yerba Road, east of Via Vaquero Road 415 Comment
  RSA597789  Cyperus involucratus Scott D. White 1996-3-31 3853 Riverside Bundy Canyon, SE of Lake Elsinore; ca 1 road mile (ca 0.2 mile) E of Bundy Canyon Road exit from Hwy I-15. 451 Comment
  RSA365083  Cyperus odoratus Joseph A. Ewan 1931-10-3 5215 Riverside Santa Ana River 4 mi NW of Corona. Comment
  POM10287  Cyperus parishii Charlotte M. Wilder 1905-06 615 Riverside Wilder s [near Riverside] Comment
  CHSC97910  Cyperus rotundus K. E. Hoffmaster 1958-7-1 Riverside Indio Comment
  UCR225158  Cyperus squarrosus Steve Boyd, Gary Wallace 2005-7-30 11649 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
  CSUSB1282  Dalea californica Tony Beck 1968-4-28 680428 5 Riverside Colorado Desert West Colorado Desert. 4 miles south of trout farm on Whitewater Canyon Road. About 100 yards east of the road in dry, sandy soil. 548 Comment
  RSA23219  Dalea mollissima Ernest Braunton 1940-4-3 2011 Riverside 25 miles Northeast of Indio. Comment
  UCR114118  Dalea mollissima B. G. Pitzer, J. Ross 1998-3-8 3613 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  CAS-BOT-BC283042  Dasyochloa pulchella C. L. Hitchcock 1940-4-1 5907 Riverside 1 mi. below Cottonwood Spring, Joshua Tree Nat. Monument Comment
  RSA129648  Dasyochloa pulchella H. S. Yates 1937-3-24 6454 Riverside Deep Canyon, Coachella Valley 457 Comment
  HSC83830  Datisca glomerata R. F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47299 Riverside Santa Rosa Plateau, Cleveland National Forest, along Tenaja Creek. Comment
  OBI43206  Datisca glomerata Hal Royaltey 1970-5-15 Riverside 9 mi from De Luz on Murrieta-Fallbrook rd Comment
  RSA502504  Datisca glomerata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3564 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  UC2042147  Datisca glomerata R. F. Thorne with E. W. Lathrop, W. Wisura 1977-7-8 49547 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons. Comment
  UCR23746  Datura discolor John C. Roos 1965-11-6 s.n. Riverside Sonoran (Colorado) Desert, 26 mi west of Blythe 115 Comment
  UC1234726  Datura wrightii David P. Gregory 1961-6-6 469 Riverside near the Santa Ana River w Prado Dam; near the Santa Ana River, w of Prado Dam Comment
  UCR21177  Datura wrightii Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  RSA0020085  Datura wrightii H. de Forest 1924-4-15 s.n. Riverside Tahquitz canyon. Comment
  UC480887  Deinandra fasciculata S. B. Parish 1916-7-8 10773 Riverside pass road to Riverside Comment
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Apr 16 2011
  CAS-BOT-BC294116  Deinandra kelloggii R. F. Hoover 1968-6-7 11155 Riverside Lower St. Johns Canyon south of Hemet Comment
  SD51775  Deinandra kelloggii Rimo Bacigalupi, G. T. Robbins 1954-5-16 4465 Riverside Along road from Valverde eastward to gLakeview, on western slope of the Bernasconi Hills. 424 Comment
  SD144486  Deinandra mohavensis A. C. Sanders, T. Schram, D. Wappler 1994-10-4 15774 Riverside San Jacinto Mtns: North slope of the mtns; Azalea Creek ca 0.5 mi southwest of Twin Pines Ranch buildings, at road crossing just outside ranch fence (mak 10/07) 1070 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
  RSA398687  Delphinium parishii Robert L. Rutherford 1944-5-6 1212 Riverside Banning. 701 Comment
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Mar 13 2011
  RSA717581  Delphinium parryi A. C. Sanders 2004-4-9 27463 Riverside San Jacinto Valley: Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks. 488 Comment
  SDSU10045  Delphinium parryi H. Wedberg 1962-5-23 942 Riverside 4.8 miles from hwy 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
  UCR251940  Delphinium parryi Harun Bektas 2011-4-26 03 Riverside Riverside, Box Springs Mountain Park; 7 miles above Moreno Valley via Pigeon Pass Rd. 793 Comment
  UCR384  Delphinium parryi N. J. Moriarty 1973-5-19 730519- 3 Riverside City of Riverside. 50 yards east of radio tower on the UCR Box Springs Experimental Station off the Box Springs Mt. Rd. 793 Comment
  SDSU13373  Delphinium parryi subsp. parryi Tarja Sagar 2000-5-20 29 Riverside SMER. 300 m ESE from Northside Field Station along interpretive trail. 323 Comment
  RSA0029544  Delphinium patens subsp. montanum Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5003 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  RSA433237  Dendromecon rigida subsp. rigida E. Crow 1929-3-17 191 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  CAS-BOT-BC198174  Deschampsia danthonioides John Thomas Howell 1930-5-10 4776 A Riverside Marsh Field Comment
  UCR97270  Deschampsia danthonioides var. gracilis Scott D. White 1993-4-30 1319 Riverside San Jacinto Valley, Near intersection of Warren Rd. and Stetson Ave. 458 Comment
  RSA162710  Descurainia pinnata John Olmsted 1958-3-29 88 Riverside 24 miles N of Jct between Cottonwood Pass and Cottonwood Spring roads. On the former now become Pinto Basin Road, Joshua Tree National Monument. 991 Comment
  RSA171373  Descurainia pinnata J. Olmstead 1962-5-3 3535 Riverside Above old Santa Rosa Indian Village, SW side of Santa Rosa Mt. 1905 Comment
  CAS-BOT-BC43355  Descurainia pinnata subsp. glabra Fay A. Mac Fadden 1936-3-20 14482 Riverside Morengo [Moreno] Valley. Comment
  JOTR34290  Descurainia pinnata subsp. glabra Andre, Jim 2012-4-11 20699 Riverside Joshua Tree National Park. N. end of Hexie Mountains, Hidden Tank Picnic Area, approx. 8 mi south of north entrance station, and 1.4 mi SW of paved road (Rte 11) 1076 Comment
  RSA603487  Descurainia pinnata subsp. glabra K. Watkins, E. McClintock 1937-4-10 s.n. Riverside Palms to Pines Highway: Near road to Shumway. Comment
  UC212652  Descurainia pinnata subsp. glabra Ivan Johnston 1917-4-4 Riverside Palm Canyon; Colorado Desert 274 Comment
  RSA586140  Dicentra chrysantha D. L. Banks 1995-4-11 183 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, along the Dripping Springs Trail. 646 Comment
  RSA613449  Dichelostemma capitatum subsp. capitatum Darin L. Banks, Victor Steinmann 1997-3-13 1443 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
  CSUSB20  Dichelostemma pulchellum R. Pirot 1975-5-23 Riverside Juniper Flats Road and Highway 74, Homeland. 542 Comment
  CAS-BOT-BC292182  Dicoria canescens Marcus E. Jones 1924-12-10 s.n. Riverside Banning Comment
  UCR34872  Dicoria canescens L. B. Ziegler 1974-11-2 537 A Riverside Sonoran (Colorado) Desert, Coachella Valley/Palm Springs area 137 Comment
  RSA93923  Dicoria canescens F. W. Peirson 1920-12-29 2333 Riverside 1.5 miles east of Whitewater Station, head of Coachella Valley. Comment
  SBBG55739  Diplacus X australis D. Keil, M. McLeod 1977-3-26 12024 Riverside 0.7 mi W of jct with Riverside Co Rd, R-3, to Hemet, along Hwy 79 548 Comment
  SD137605  Diplacus brevipes Darin L. Banks, Steve Boyd 1995-4-5 160 Riverside Agua Tibia WildernessArea. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, E of the Dripping Springs Trail in the N flowing drainage that empties into Arroyo Seco 609 Comment
  CAS-BOT-BC150681  Diplacus longiflorus C. L. Hitchcock 1940-4-12 6044 Riverside 8 mi. northwest of Elsinore 457 Comment
  UC53550  Distichlis spicata J. E. Roadhouse 1903-7-16 6 Riverside Salton Sink Comment
  UC579210  Distichlis spicata H. S. Yates 1937-6-27 6704 Riverside Near Relief Hot Springs 457 Comment
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Mar 13 2011
  UCR49400  Distichlis spicata Theo Glenn 1984-9-30 s.n. Riverside Sonoran (Colorado) Desert, N end of the Salton Sea, along a canal at the Whitewater River delta -67 Comment
  UCR22060  Distichlis spicata var. stricta Steve Boyd 1980-5-13 263 Riverside Gavilan Hills, Harford Springs County Park, at NW corner of the Gavilan Plateau 640 Comment
  RSA770985  Ditaxis californica J. Andre, Tasha La Doux 2009-2-25 10802 Riverside Chuckwalla Mountains: approx. 0.5 miles south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  UCR214433  Ditaxis lanceolata A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37492 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
  UCR5290  Ditaxis lanceolata O. F. Clarke 1966-10-5 661005- 06 Riverside Sonoran (Colorado) Desert, University of Calif, Riverside Desert Research Center [= Deep Canyon] 290 Comment
  UC604847  Ditaxis neomexicana Roxana S. Ferris and Ruth P. Rossbach 1938-5-15 9517 Riverside 19 mi. from Cottonwood Springs (n. edge Pinto Basin); n. edge Pinto Basin Comment
  UCR260316  Ditaxis neomexicana A. C. Sanders, Jim Malusa 2015-3-10 41373 Riverside Sonoran (Colorado) Desert, north end of Chocolate Mountains, Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range 610 Comment
  UCR264218  Ditaxis neomexicana A. C. Sanders, Jim Malusa 2015-9-10 41865 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 0.85 mi. SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range 480 Comment
  UCD142317  Ditaxis serrata Robert F. Thorne; Dick Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54018 Riverside San Bernardino Mts.; at mouth of Whitewater Canyon, ca. 1/4 mi. W of Whitewater P.O. and 1/2 mi. W of Whitewater River. 414 Comment
  RSA793607  Ditaxis serrata var. californica Duncan S. Bell, Aaron Sedgwick 2012-9-13 4206 A 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
  CHSC35475  Dithyrea californica James Henrickson 1973-3-18 8619 Riverside Ca 37 (air) miles E of Temecula, 9 miles SE of Terwilliger, 3 miles N of San Diego Co. 731 Comment
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Jun 23 2013
  POM95408  Dithyrea californica Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  RSA263756  Dodecatheon clevelandii E. W. Lathrop 1971-3-21 7452 Riverside Bedford Truck Trail of the Coleveland nat'l Forest, Trabuco District. 915 Comment
  UCR2902  Dodecatheon clevelandii Paul W. White 1963-4-30 43063- 01 Riverside Murrieta 2 miles out [west] of Murrieta on Tenaja Road 549 Comment
  JEPS5040  Downingia cuspidata P. A. Munz 1922-4-29 5093 Riverside 0.5 mi s Lake Elsinore; ; S of Lake Elinore 381 Comment
  POM8518  Draba cuneifolia var. integrifolia Mary F. Spencer 1920-3-24 1477 Riverside Indian Wells 122 Comment
  UC1922051  Dudleya edulis Scott D. White, Jennifer H. Jones 2005-7-5 11151 Riverside San Ana Mtns: Rainbow Valley area, west of I-15 and just N of San Diego Co. boundary. Comment
  CAS-BOT-BC411414  Dudleya lanceolata Reid Moran 1946-5-25 2057 Riverside S slope of Box Springs Mountain 548 Comment
  UCR48404  Dudleya multicaulis Steve Boyd 1986-5-7 1846 Riverside Peninsular Range, Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, south of Hwy I-15 366 Comment
  RSA502187  Dudleya pulverulenta Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-11 3713 Riverside Vail Lake area, sandy wash draining into Wilson Creek at E end of lake. Comment
  RSA164074  Dudleya saxosa subsp. aloides Donald W. Kyhos 1960-06 2 Riverside Bed of San Gorgonio River 2 mi. N or Banning. Comment
  RSA0125227  Echinocereus engelmannii var. engelmannii B. A. Prigge 1980-8-5 3860 Riverside Whitewater Canyon, 0.5 miles N of trout farm. 701 Comment
  UCR62324  Echinocereus engelmannii var. engelmannii Ed LaRue 1990-4-13 s.n. Riverside Peninsular Range, 0.5 mi. NW of Aguanga, c. 1.5 mi (air) north of San Diego Co. line, north of Hwy 79 and west of Hwy 371 642 Comment
  UCR188891  Echinochloa crus-galli Fred M. Roberts, S. Leatherman 2007-9-19 6580 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  RSA234017  Elatine chilensis R. F. Thorne, E. W. Lathrop 1969-6-6 39319 Riverside Santa Rosa Plateau: Rancho California, Mesa de Colorado. 624 Comment
  RSA559350  Eleocharis bella Steve Boyd, Timothy S. Ross 1992-5-15 7392 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 671 Comment
  UCR280798  Eleocharis bella R. F. Thorne, E. W. Lathrop, Steve Beckstrom-Sternberg, B. Martin 1982-1 55200 B Riverside Peninsular Ranges; Santa Ana Mountains, SW of Murrieta, Santa Rosa Plateau, Mesa de la Punta near south edge of plateau, approached by De Luz Rd. 579 Comment
  CAS-BOT-BC112733  Eleocharis geniculata W. R. Dudley 1903-12-29 s.n. Riverside Near 7000 Palms, Palm Springs Comment
  UCR85424  Eleocharis geniculata A. C. Sanders, P. J. MacKay, G. K. Helmkamp, J. M. Stewart, C. L. Sanders 1994-12-4 15888 Riverside Sonoran (Colorado) Desert, Salton Sink: Dos Palmas Spring & immediate vicinity -30 Comment
  SEINET7586289 Image available Eleocharis macrostachya Steve Boyd, Dave Bramlet 1996-4-19 8612 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
  UCR201463  Eleocharis macrostachya Scott D. White, Justin M. Wood 2008-6-5 12087 Riverside San Jacinto Mountains, Garner Valley, Hwy 74 at Thomas Mountain Road, southwest corner of junction 1341 Comment
  UCR222300  Eleocharis macrostachya R. F. Thorne, E. W. Lathrop, Steve Beckstrom-Sternberg, B. Martin 1982-1 55212 Riverside Peninsular Ranges; Santa Ana Mountains, SW of Murrieta, Santa Rosa Plateau, Mesa de la Punta near south edge of plateau, approached by De Luz Rd. 579 Comment
  UCR45970  Eleocharis macrostachya Dave Thomason, T. Ganje 1986-9-17 s.n. Riverside San Jacinto Mountains, Lake Hemet, N shore near the fence. Comment
  UCR109744  Eleocharis montevidensis T. W. Fisher 1963-10-3 s.n. Riverside Peninsular Range, Temecula area, Vail Lake 457 Comment
  RSA741220  Eleocharis palustris Scott D. White, Justin M. Wood 2008-6-5 12087 Riverside Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 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
  CAS-BOT-BC203836  Elymus X hansenii J. C. Roos 1952-6-13 5765 Riverside Reche Canyon 457 Comment
  RSA680528  Elymus glaucus Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8645 Riverside Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  UCSB5259  Emmenanthe penduliflora Koran, Jr., John 1958-5-18 Riverside 8.4 miles S. of Hemet Lake on Hwy. 74 Comment
  RSA637526  Encelia actoni Scott D. White 1998-9-4 7100 Riverside Beaumont: 'Oak Valley Golf Course' Flood detention basin along intermittent channel just above (i.e N side) of golf course. 762 Comment
  UCR120157  Encelia californica Mitch Provance 1998-2-28 118 Riverside Jurupa Mountains, NW 'Wilder's Canyon', 0.2 km SE of pk 1538, along slopes on the NW side of the Stringfellow Acid Pits. 366 Comment
  CAS-BOT-BC131345  Encelia farinosa E. A. McGregor 1917-3-18 700 Riverside 5 miles up Painted [Canon] Canyon Comment
  HSC83022  Encelia farinosa N. M. Fellows 1984-3-20 3 Riverside Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mtns., 1 mi. W of Snow Creek Village 488 Comment
  RSA789493  Encelia farinosa W. Blanchard 1932-4-16 s.n. Riverside Snow Creek [county not specified] Comment
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Jan 17 2016
  SD251190  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. 22 Comment
  UCD19707  Encelia farinosa Donald W. Kyhos 1963-4-3 63 -6 Riverside East of junction of Mockingbird Canyon Rd. on Van Buren Blvd. in Arlington. Comment
  SEINET10891992  Encelia farinosa David B. Dunn, Howard Brown 1947-2-9 Dunn 2857 Riverside Pushawalla Canyon, Indio Hills. In dry wash in canyon. Comment
  RSA515197  Encelia farinosa var. farinosa Steve Boyd 1986-3-13 1466 Riverside West side Palen Mts.: NE of Desert Center. Comment
  CAS-BOT-BC131415  Encelia frutescens Marcus E. Jones 1903-5-10 s.n. Riverside Palm [Spring] Springs 60 Comment
  RSA794075  Encelia frutescens Jim Andre 2012-3-19 21367 Riverside Palen Valley; along Palen Pass Road (dirt), 1.2 miles east of Highway 177. 184 Comment
  CAS-BOT-BC126750  Ephedra R. F. Thorne; M. Z. Thorne 1973-3-30 42689 Riverside Colorado Desert; Little San Bernardino Mountains region: Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, outwash of Mission Creek 488 Comment
  RSA25346  Ephedra aspera C. L. Hitchcock 1940-3-29 5868 Riverside Cottonwood Canyon, ca. 100 yards east of Spring. Comment
  JEPS49091  Ephedra californica W. L. Jepson and W. C. Mathews 1914-5-18 5990 Riverside n of Indio; Pinyon Well grade Comment
  JOTR33745  Ephedra californica La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2743 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  RSA383881  Ephedra californica N. C. Cooper 1944-3-25 1040 Riverside Morongo Pass. 457 Comment
  UCR237686  Ephedra californica Orlando Mistretta, Duncan S. Bell, Janet Beckman, Joy England, K. Kane, et al. 2010-4-12 4739 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 600 Comment
  UCR261208  Ephedra californica A. C. Sanders 2015-4-22 41581 Riverside San Gorgonio Pass, SE side of Cabazon, east of Elm St., c. 735 m south of I-10, c. 350 m east of water bottling plant 471 Comment
  JOTR29448  Ephedra nevadensis La Doux, Tasha, Mike Bell 2006-3-8 1346 Riverside Joshua Tree National Park. Eagle Mountains, south of Hayfield Spring 548 Comment
  SD27997  Ephedra trifurca Carl B. Wolf 1932-4-29 Riverside 3 miles south of Rice on Blythe Road 214 Comment
  POM179210  Ephedra trifurca Philip A. Munz 1941-4-5 16693 Riverside Sand dunes southeast of Iron Mts. Comment
  SEINET3220674 Image available Ephedra viridis P. Leary 1975-4-12 1049 Riverside 3/4 mile N of Sheep Pass, Joshua Tree National Monument. 1402 Comment
  UCR159203  Epilobium brachycarpum A. C. Sanders, Kelly Volansky 2005-8-31 31579 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  UCR35212  Epilobium canum L. B. Ziegler 1966-9-13 100 Riverside Sonoran (Colorado) Desert, San Jacinto Mountains, Carrizo Spring (Carrizo Creek), c.3/8 mi above Hwy 74 crossing of canyon. 703 Comment
  CAS-BOT-BC166138  Epilobium canum subsp. canum Lathrop; Thorne 1967-9-26 6610 Riverside Tenaja Guard Station, 10 mi. NW of Murrieta Comment
  RSA314465  Epilobium canum subsp. latifolium Robert F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55401 Riverside Side canyon on W side of Whitewater Cyn, ca. 3.3 mi. N of Whitewater Post Office. 595 Comment
  RSA38400  Epilobium canum subsp. latifolium P. A. Munz 1946-10-20 11583 Riverside Cottonwood Springs; Joshua Tree National Monument. 1098 Comment
  RSA512  Epilobium canum subsp. latifolium J. T. Howell 1927-8-2 572 Riverside Road to Hemet, Mt. San Jacinto. 1372 Comment
  UCSB4330  Epilobium ciliatum Kamb, Peter 1949-10-30 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  UCR22003  Epilobium paniculatum Steve Boyd 1980-9-8 343 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR139003  Equisetum laevigatum L. C. Wheeler 1961-6-24 7903 Riverside San Jacinto Mountains, Strawberry Creek at Idyllwild Arts Foundation, Idyllwild. Comment
  UCR25036  Equisetum laevigatum A. C. Sanders 1981-7-22 1738 Riverside San Jacinto Mtns., Alvin Meadows, 2 mi. (airline) WSW of Idyllwild 1529 Comment
  SBBG89536  Equisetum telmateia subsp. braunii J. Adams 1966-4-28 744 Riverside Santa Rosa Plateau, dirt rd from Murrieta to De Luz 762 Comment
  RSA737430  Eragrostis mexicana subsp. virescens Justin M. Wood 2008-8-31 126 Riverside Romoland, 1/4 mile S of Ethanac Rd. between San Jacinto Rd. and Palomar Rd. just south of railroad tracks. 442 Comment
  UCR115141  Eragrostis pectinacea var. miserrima Mitch Provance 2000-10-28 2277 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 290 Comment
  RSA432673  Eremalche exilis Christopher Davidson 1973-4-19 1984 Riverside Joshua Tree Natl. Monument, ca 4 mi. E of Split Rock, ca 1.5 mi S of park entrance. 1220 Comment
  UC494838  Eremalche exilis Philip A. Munz 1932-3-14 11992 Riverside Deep Canyon Coachella Valley, Deep Canyon 91 Comment
  CAS-BOT-BC160051  Eremothera boothii subsp. condensata Ynez Whilton Winblad 1937-3-21 s.n. Riverside Coachella Valley Comment
  UCR163084  Eriastrum B. G. Pitzer 2000-5-7 4138 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
  UC23526  Eriastrum densifolium subsp. austromontanum Harvey M. Hall 1896-9-2 330 Riverside San Jacinto Mt. 1524 Comment
  UC597617  Eriastrum eremicum subsp. eremicum Philip A. Munz 1937-5-29 15148 Riverside Palms to Pine Hwy Santa Rosa Mts., Deep Canyon (deep wash) 1066 Comment
  RSA0120070  Eriastrum eremicum subsp. eremicum Marcus E. Jones 1903-5-10 10252 Riverside Palm Spring. 61 Comment
  SD249590  Eriastrum harwoodii J. M. Andre 2013-3-27 24794 Riverside Region: CA-SonM; Rice Valley east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62) 241 Comment
  RSA0080943  Eriastrum sapphirinum subsp. dasyanthum Sarah J. De Groot, Duncan S. Bell 2015-5-14 7374 Riverside White Water, along Pacific Crest Trail about 400 m south of Forks 3028, and about 450 m south of Red Dome. Southeast side of San Bernardino Mountains. 768 Comment
  CAS-BOT-BC515005  Eriastrum sapphirinum subsp. dasyanthum John Thomas Howell 1931-6-5 6656 Riverside San Gorgonio Pass at Cabazon Comment
  RSA0121254  Eriastrum sapphirinum subsp. dasyanthum C. W. Tilforth 1969-7-24 213 Riverside About 5 mi. south of Hemet, east of County Highway R-3. Comment
  RSA0121558  Eriastrum sapphirinum subsp. dasyanthum Mary F. Spencer 1919-6-17 1191 Riverside Roadside on slope of San Jacinto Mt. 1098 Comment
  RSA0122964  Eriastrum sapphirinum subsp. sapphirinum J. R. Bruff 1934-6-19 545 Riverside Mt. San Jacinto; along road to Palm Springs. Comment
  UCR13709  Ericameria cuneata J. Zabriskie, N. Ryan Zabriskie 1972-10-21 543 Riverside Peninsular Range; San Jacinto Mtns., SE of S end Marion Ridge Rd., Pine Cove, SW drainage San Jacinto Mtns. 1921 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
  RSA0008410  Ericameria palmeri var. pachylepis A. C. Sanders 1997-11-25 21625 Riverside Skinner/Domenigoni region, S of Hemet Eastside (Diamond Valley) Reservoir, Nicholson Ranch site, just below water line of reservoir under construction, E end of S side of Diamond Valley, ca. 2/3 of the way from W dam to E dam 503 Comment
  RSA614100  Ericameria palmeri var. pachylepis A. C. Sanders, Tracy Tennant 1997-11-14 21605 Riverside San Bernardino Mtns: Morongo Indian Reservation, Hathaway Canyon drainage. 884 Comment
  CAS-BOT-BC299538  Ericameria paniculata Lewis S. Rose 1935-12-21 35677 Riverside Whitewater Wash, 3 mi. SE Palm Springs Station 304 Comment
  RSA545219  Ericameria paniculata R. F. Thorne 1970-10 41880 Riverside San Bernardino Mountains- Whitewater canyon: ca. 1350 ft. near bridge and Whitewater Post Office to ca. 2000 ft. up the canyon toward fish hatchery. 610 Comment
  RSA741266  Ericameria parishii Scott D. White, Justin M. Wood 2008-7-10 12453 Riverside San Jacinto Mountains: Fobes Spring 1500 Comment
  UC1605380  Ericameria parishii var. parishii Steve Boyd and Darin Banks 1994-9-8 8329 Riverside ridge top on nw flank Margarita Peak (near junction of Forest Service Rds 8S01 and 8S01A); Southern Santa Ana Mountains, Cleveland N.F., San Mateo Cany 762 Comment
  CAS-BOT-BC293095  Ericameria pinifolia A. C. Sanders 1995-11-26 17908 Riverside Tule Creek Valley, NE of Tule Pk, between Aguanga & Anza, S of Hwy 371 1188 Comment
  RSA761991  Erigeron foliosus Peter Guiden, C. Martinez, Naomi Fraga, L. McDade, et al. 2010-8-14 74 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SEINET238534  Erigeron foliosus var. foliosus Mitch Provance 1998-6-11 651 Riverside Jurupa Mountains: NW Jurupa Mtns; S of the E extreme of Philadelphia St. 274 Comment
  UCR9215  Erigeron foliosus var. foliosus D. H. Wilken 1965-6-29 301 Riverside San Jacinto Mtns, Along County Route 1 [Hwy 243], c. 3 mi south of Banning 915 Comment
  RSA455017  Eriodictyon crassifolium Elbert Benjamine 1929-5-18 233 Riverside Mt. San Jacinto. Comment
  RSA600575  Eriodictyon crassifolium Louis C. Wheeler 1962-7-28 8182 Riverside Temescal Valley. 100 yards north of well and north of Sambucus with ''No Trespassing, No Hunting'' sign. Comment
  SD4124  Eriodictyon crassifolium Fidella G. Woodcock 1926-3-15 Riverside Palm Springs (mak 7/07) Comment
  UCSB16248  Eriodictyon crassifolium Sonnenburg, D. 1963-5-4 Riverside 2.5 miles south of Banning to Idyllwild road 853 Comment
  OBI55262  Eriodictyon crassifolium var. crassifolium Barbara Crumly 1953-5-23 s.n. Riverside Cranston Ranger Station Comment
  POM312183  Eriodictyon crassifolium var. crassifolium N. Cooper 1944-4-8 1066 Riverside Andreas Canyon. 305 Comment
  CAS-BOT-BC222693  Eriodictyon trichocalyx Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  CLARK-A1528-2971  Eriodictyon trichocalyx John C. Roos 1948-5-1 3814 Riverside Whitewater 609 Comment
  CLARK-A1528-542  Eriodictyon trichocalyx Tony Beck 1968-5-4 680504-10 Riverside San Jacinto Mountains 1219 Comment
  RSA757788  Eriodictyon trichocalyx var. trichocalyx LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4299 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
  RSA783129  Eriogonum J. D. Olmsted 1959-11-8 1083 Riverside Fish Fork between sixth and seventh falls 1418 Comment
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Jun 8 2013
  POM49861  Eriogonum apiculatum P. A. Munz, I. M. Johnston 1924-7-27 8757 Riverside Dark Canyon, San Jacinto Mountains 2134 Comment
  SEINET6328737  Eriogonum apiculatum Louis Wheeler 1945-10-7 6412 Riverside San Jacinto Mountains: divide between West Fork Snow Creek and North Fork San Jacinto River 2377 Comment
  UCSB37854  Eriogonum apiculatum Sanders, A. 1980-7-18 Riverside Thomas Mountain; Thomas Mtn. campground to the summit at the lookout; T 6S, R 3E, W1/2 sec. 28 2072 Comment
  RSA393468  Eriogonum davidsonii Kessler 1921-09 s.n. Riverside Mt. San Jacinto. Comment
  SEINET6340538  Eriogonum davidsonii B. Thomas 1967-10-22 346 -83 Riverside Fulmar lake, 8 miles N of Idyllwild, of Co. Rd. R-1 1829 Comment
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Nov 8 2015
  UC1329842  Eriogonum davidsonii James E. Cole 1941-6-15 906 Riverside Black Spring Wash Joshua Tree National Monument, Black Spring Wash 1280 Comment
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Feb 24 2013
  RSA0065543  Eriogonum davidsonii William Gilbert 1969-5-24 s.n. Riverside Pinon Flats Camp, Highway 74. Comment
  CAS-BOT-BC256117  Eriogonum deflexum var. deflexum John Thomas Howell 1928-11-4 4083 Riverside Hidden Spring Canyon, 13 miles se of Mecca Comment
  JEPS35729  Eriogonum deflexum var. deflexum Frank W. Peirson 1928-11-30 Riverside foot of canyon below Shavers Well 0 Comment
  JOTR34408  Eriogonum deflexum var. deflexum La Doux, Tasha, M. Harding, B. Truesdell, D. Shade 2012-9-25 3095 Riverside Joshua Tree National Park. Cottonwood Mountains; near Wood Spring Comment
  RSA393270  Eriogonum deflexum var. deflexum N. C. Cooper 1949-4-8 3315 Riverside Desert Center. 610 Comment
  POM13305  Eriogonum elongatum E. C. Jaeger 1069 Riverside Cabazon. Comment
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Mar 13 2011
  SEINET7907887  Eriogonum fasciculatum D. A. Johnson 2005-1 Riverside 1 mi e of ca 74 on River Rd between Perris & Lake Elsinore 488 Comment
  RSA0005004  Eriogonum fasciculatum var. flavoviride P. A. Munz 1921-4-30 4505 Riverside Pinyon Wells 1220 Comment
  CAS-BOT-BC249961  Eriogonum fasciculatum var. foliolosum Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  LA206785  Eriogonum fasciculatum var. polifolium A. M. Johnson; 1932-8-18 4133 Riverside San Jacinto Mountains, along road, down Banning side Comment
  LA206831  Eriogonum fasciculatum var. polifolium Flora Murray Scott; 1928-4-1 sn Riverside Whitewater Comment
  RSA774886  Eriogonum fasciculatum var. polifolium Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5011 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
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May 22 2012
  CAS-BOT-BC253493  Eriogonum gracile James L. Reveal; Caroline G. Reveal 1972-8-9 2851 Riverside Along California Highway 74, at Strawberry Creek about 5.5 miles west of the junction with Highway 243, San Jacinto Mountains 868 Comment
  POM145357  Eriogonum gracile var. gracile J. B. Feudge 1923-11-12 470 Riverside Cabazon, Colorado Desert. 579 Comment
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Mar 13 2011
  RSA242184  Eriogonum gracile var. gracile James L. Reveal, Caroline G. Reveal 1972-8-9 2850 Riverside Along California Highway 74 at Strawberry Creek, about 5.5 miles west of the junction with Highway 243. 915 Comment
  POM153380  Eriogonum gracile var. incultum P. A. Munz, I. M. Johnston 1928-9-12 11251 Riverside Temescal Canyon. Comment
  RSA393474  Eriogonum molestum N. R. Zabriskie, Walter Zabriskie 1969-9-20 235 Riverside Forest Service road to Deer Springs Trail beyond end of road up west bank Strawberry Creek, above Fern Valley Corners, Idyllwild 1982 Comment
  LA206953  Eriogonum nudum var. pauciflorum H. Lewis; 1939-10-21 1014 Riverside San Jacinto Mountains, Taquites Peak 2133 Comment
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Mar 2 2014
  CAS-BOT-BC258241  Eriogonum pusillum Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  CAS-BOT-BC253020  Eriogonum reniforme L. R. Abrams 1926-3-26 11056 Riverside Palm Springs to Palm Canyon Comment
  SDSU6742  Eriogonum roseum H. Wedberg 1962-7-28 983 Riverside About 7 miles from Hemet on the road to Mountain Center, in the wash opposite the 2000' sign. 610 Comment
  RSA757616  Eriogonum saxatile LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4342 Riverside From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  CAS-BOT-BC263520  Eriogonum thomasii D. Bates 1960-3-3 2300 Riverside Route 195, 7.3 miles s.w. of junction with routes 60-70 Comment
  RSA776241  Eriogonum thomasii Duncan S. Bell 2010-3-20 598 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  UCR163924  Eriogonum thomasii A. C. Sanders, P. J. MacKay, Tim Thomas 2005-2-26 29130 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  RSA65309  Eriogonum thurberi F. W. Peirson 1922-5-19 4204 Riverside 5 miles northeast of Murrieta. Comment
  RSA796471  Eriogonum trichopes Duncan S. Bell 2009-4-18 209 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  UCR102942  Eriogonum trichopes var. trichopes George K. Helmkamp 1998-4-4 3142 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  CAS-BOT-BC264932  Eriogonum wrightii var. membranaceum Dammers 1933-12-1 s.n. Riverside Gavilan Hills Comment
  RSA761157  Eriogonum wrightii var. membranaceum Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 688 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA761869  Eriogonum wrightii var. membranaceum Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 647 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  JOTR16822  Eriogonum wrightii var. wrightii Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. ROAD TO PROSPECT 1/2 MILE WEST OF SPLIT ROCK 1310 Comment
  CAS-BOT-BC298480  Eriophyllum ambiguum var. paleaceum Edmund C. Jaeger No date on label s.n. Riverside Eagle Canon 91 Comment
  UCR160059  Eriophyllum confertiflorum Steve Boyd, Valerie Soza 2004-6-22 11550 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
  UCR249827  Eriophyllum multicaule T. B. Salvato, John Lovio 2013-3-19 7366 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  UCR92348  Eriophyllum multicaule Scott D. White, T. Keeler-Wolf 1994-5-8 s.n. Riverside San Jacinto Mtns, Foothills, San Jacinto River wash at eastern edge of Valle Vista 549 Comment
  RSA69366  Eriophyllum wallacei G. R. Campbell 1951-5-30 16139 Riverside 9 miles west of Anza. 1067 Comment
  UC472866  Eriophyllum wallacei Mary Fiske Spencer 1926-3-8 26 Riverside Snow Canyon washes, base of San Jacinto Mts; , Snow Canyon Comment
  UCR158508  Erodium botrys A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30046 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
  UCR90343  Erodium botrys Scott D. White 1995-6-30 3437 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  RSA741424  Erodium moschatum Justin M. Wood 2008-12-2 262 Riverside SW Perris Basin: City of Temecula, Murrieta Creek, downstream of 1st street bridge. 290 Comment
  UCSB13334  Erysimum capitatum var. capitatum Atwater, Illiani 1961-5-7 Riverside Highway 74, 3.2 miles east of junction with Anza Rd., near Palm Springs 1371 Comment
  RSA0020248  Erythranthe floribunda Mary F. Spencer 1919-7-1 1239 Riverside Idyllwild. 1616 Comment
  RSA0019311  Erythranthe guttata Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38127 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  RSA0019316  Erythranthe guttata Carl B. Wolf 1932-5-25 3673 Riverside 1 mile below the Fish Hatchery, Snow Creek, north base of San Jacinto Mountains. 396 Comment
  SEINET8411978  Erythranthe microphylla G. R. Campbell 1948-7-3 606 Riverside 3 miles north of Dark Canyon, road between Idyllwild and Banning. Comment
  UCR239863  Escallonia O. F. Clarke 2004-10-4 s.n. Riverside La Sierra area of Riverside, Kaiser Park Sierra Hospital, Magnolia Ave. at Park Sierra Dr. 220 Comment
  UCD96510  Eschscholzia androuxii Shannon M. Still; Carolyn Still, Steven Still 2009-3-28 512 Riverside California. Riverside County: Joshua Tree National Park. 724 Comment
  JEPS51774  Eschscholzia californica W. L. Jepson 1914-5-25 6077 Riverside Beaumont Comment
  SD137695  Eschscholzia californica Darin L. Banks, Steve Boyd 1995-5-3 244 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  CAS-BOT-BC83130  Eschscholzia minutiflora L. A. Greata 1901-1-1 423 Riverside Coachella. Comment
  RSA796099  Eschscholzia minutiflora Duncan S. Bell 2009-4-20 303 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 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
  UCD94251  Eschscholzia minutiflora Shannon M. Still; Steven M. Still 2008-4-7 387 Riverside California. Riverside County: Joshua Tree National Park. 940 Comment
  UCD96466  Eschscholzia papastillii Shannon M. Still; Jennifer R. Still, Charles M. Still 2008-2-15 260 Riverside California. Riverside County: Joshua Tree National Park. 726 Comment
  RSA0023220  Eschscholzia papastillii Robert F. Thorne 1963-3-29 32369 Riverside 5 miles E of Mecca, Mecca Hills. 152 Comment
  RSA709918  Escobaria vivipara var. alversonii Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4613 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UCR142929  Eucalyptus tereticornis Steve Boyd 1981-2-2 s.n. Riverside Gavilan Hills, upper Arroyo del Toro along old road grade (Lindell Rd.) west of Bull Canyon Road, at old homestead site 610 Comment
  UCD119344  Eucrypta chrysanthemifolia C. L. Hitchcock 1966-3-16 24177 Riverside 1/4 mile w. of Aguanga. Comment
  UCR119265  Eucrypta chrysanthemifolia Mitch Provance 1998-6-10 635 Riverside City of Riverside, East side of Pachappa Hill, as accessed from where Panorama road crosses the 91 freeway. 335 Comment
  SEINET7048047  Eucrypta chrysanthemifolia var. chrysanthemifolia Steven R. Hill 2001-4-29 33521 Riverside South side of Route I-10 right-of-way, 0.2 mile west of Desert Lawn Road exit, Calimesa. At small drainage culvert, San Timoteo Wash. Elevation about 2314 feet. Comment
  POM160093  Eucrypta micrantha E. C. Jaeger 1927-3-23 s.n. Riverside Salt Creek Wash, Colo. Desert Comment
  RSA0123358  Eucrypta micrantha Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9046 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
  RSA347086  Eucrypta micrantha Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring, Chuckwalla Mountains, Colorado Desert. Comment
  SBBG35136  Eulobus californicus T. L. Secrest 1948-4-7 Riverside 5 mi below Whitewater 274 Comment
  CLARK-A1528-2491  Euonymus occidentalis subsp. parishii John C. Roos 1943-8-8 269 Riverside San Jacinto Mountains 1828 Comment
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Mar 22 2014
  CDA16951  Euonymus occidentalis var. parishii G. F. Hrusa 1993-6-25 11242 Riverside Rancho Cuyamaca State Park; along Fuller Mill Creek. Approx. 1/4 mi. upstream from bridge crossing of Hwy 243. Comment
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Feb 2 2013
  RSA651894  Euphorbia Marion P. Harthill 1971-3-19 8 Riverside Palm Desert. Comment
  SD181546  Euphorbia Louis C. Wheeler 1946-1-19 6171 Riverside 2.0 miles north of main highway on road to 29 Palms. Comment
  SD229139  Euphorbia lurida Dick Schwenkmeyer 2012-8-7 777 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  UC219262  Euphorbia palmeri P. A. Munz and I. M. Johnston 1922-5-21 5517 Riverside Keen Camp; San Jacinto Mts. 1524 Comment
  UC455399  Euphorbia palmeri I. J. Condit 1910-6-23 Riverside San Jacinto Mt. 2743 Comment
  RSA715103  Euphorbia polycarpa A. C. Sanders, Guy Bruyea 2004-4-2 27431 Riverside Peninsular Range: Temescal Canyon, Serrano Highlands project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 305 Comment
  SDSU12950  Euphorbia polycarpa Jutta Buschbom 1991-6-10 33 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
  SDSU7689  Euphorbia polycarpa S. J. Barnhart 1966-4-17 660417 -10 Riverside 0.1 mi. east of McAllister St., along the Metropolitan water Co. utility road (dirt). Intersection of Utility Rd. and McAllister St. is 1.5 mi. south-east of the intersection of McAllister St. and Victoria Ave. 457 Comment
  UCD142704  Euphorbia polycarpa G. L. Webster; R. Hildreth 1966-12-10 7463 Riverside Joshua Tree National Monument, near Cottonwood Canyon. 701 Comment
  UCR113225  Euphorbia polycarpa A. C. Sanders 1997-11-25 21623 Riverside Skinner/Domenigoni region, S of Hemet, Eastside Reservoir site, at N foot of eastern dam, E end of 'North Hills', c. 0.9 mi. NNE of site of Searl Ranch 530 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
  UCR4218  Euphorbia polycarpa K. S. Gill 1965-4-17 s.n. Riverside San Bernardino Mtns./ Sonoran (Colorado) Desert, Whitewater Canyon, 4 miles north of Hwy 60 610 Comment
  UCR120425  Euphorbia prostrata Mitch Provance 1998-7-23 912 D Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 305 Comment
  UCR264457  Euphorbia setiloba A. C. Sanders, Jim Malusa 2015-9-10 41850 Riverside Sonoran (Colorado) Desert, Salt Creek Canyon, along Summit Road c. 1.5 miles above mouth of Red Canyon, edge of Chocolate Mountains Aerial Gunnery Range 433 Comment
  GMDRC3748  Fagonia laevis T. La Doux, J. Andre 2009-3-1 385 Riverside Little San Bernardino Mountains: Joshua Tree Natl. Park: south end of the Cottonwood Mtns near Pinkham Wash just N. of aquaduct just inside JTNP boundary, approx 7 mi. W. of S. entrance into park at Cottonwood. USGS 7.5 min. Quad: Cottonwood Basin 33 deg. 40.948' N 115 deg. 52.141' W. Elev. 1778 ft. 542 Comment
  POM10036  Fagonia laevis Charlotte M. Wilder 1907-4-9 778 Riverside border of warsh from Palm Canyon. Colorado Desert Comment
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Mar 12 2011
  RSA0040074  Fagonia laevis Jim Andre 2014-1-27 26657 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  JOTR31952  Fagonia pachyacantha La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2189 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky drainages feeding into southwest Pinkham Wash 667 Comment
  RSA735215  Fagonia pachyacantha Steve D. Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11237 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  SEINET821998  Fagonia pachyacantha A. C. Sanders 1995-1 17115 Riverside Colorado Desert, Coachella Valley: alluvial fans below the Santa Rosa Mountains north of Toro Cyn., W. Of Monroe St., south of Ave. 62. 15 Comment
  UCR201510  Festuca arundinacea Scott D. White, Justin M. Wood 2008-6-17 12151 Riverside San Jacinto Mountains, south of Hwy 79 near Keen Camp Summit 1463 Comment
  UCR174097  Festuca myuros A. C. Sanders 2006-5-19 32464 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
  UCR269898  Festuca myuros D. E. Bramlet, Amy Hills, R. E. Riefner Jr., Russell Huddleston 2005-3-2 3656 Riverside Perris-Agunaga Basin Region; San Jacinto Valley, west of Hemet, east of San Diego Canal, west of Warren Rd., south of Hwy 74, north of W Stetson Ave. 457 Comment
  UC2015686  Festuca octoflora A. C. Sanders, G. Helmkamp & P. MacKay 1995-3-12 16089 Riverside Coachella Valley: alluvial slopes at the foot of Rabbit Peak, Santa Rosa Mtns., below Sheep Canyon. Comment
  RSA524398  Filago arizonica Steve Boyd, Timothy S. Ross, Laurel Arnseth, Jaime Bonilla 1990-4-3 4116 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mt., just S of the E summit 610 Comment
  RSA543851  Filago arizonica Steve Boyd, Orlando Mistretta 1991-5-22 6313 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  RSA574724  Filago arizonica Steve Boyd 1982-3-28 s.n. Riverside Gavilan Hills region, Temescal Canyon, south slope of Alberhill Mountain just east of extensively mined area. 427 Comment
  RSA585817  Filago arizonica D. L. Banks, Steve Boyd 1995-5-9 0352 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  UCR48371  Filago arizonica Steve Boyd 1986-5-7 1825 Riverside Temescal Canyon, Alberhill Mountain: lower slopes of S flank just east of clay mine area 427 Comment
  RSA336193  Filago californica R. F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52059 Riverside Palm to Pines Highway: Above Palm Desert., north slope Santa Rosa Mountains. Comment
  UCR156089  Filago californica T. B. Salvato, Kent Beaman 2005-5-16 797 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
  UC1494258  Flaveria trinervia A. C. Sanders 1981-10-31 2392 Riverside between Riverside and Corona (0.3 mi n of Hwy 91 and 100 yds w of McKinley); McKinley 304 Comment
  JEPS42926  Forestiera pubescens W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1340 Riverside return to Van Deventer's and Palm Canyon of Mt. San Jacinto Comment
  CAS-BOT-BC384197  Forestiera pubescens subsp. parvifolia Nancy Ryan Zabriskie; Walter Zabriskie 1971-8-20 426 Riverside Canyon above 1st turnout east side Santa Rosa Mountain Rd., 0.6 mi. above Hwy. 74 1524 Comment
  RSA292852  Fouquieria splendens Lyman Benson 1949-3-28 13581 Riverside Pines to Palms Highway from Palm Sprins to Hemet; rocky mountainside Santa Rosa Mountain Range, above the desert 305 Comment
  RSA668339  Fouquieria splendens C. R. Annable, Lee Barron 1995-3-11 2269 Riverside Cactus City rest stop on I-10. Comment
  UCR274791  Fouquieria splendens April Garbat, Sarah J. De Groot 2013-4-9 044 Riverside Sonoran (Colorado) Desert, along Graham Pass Rd near intersection with Chuckwalla Valley Rd. 416 Comment
  UC872124  Fouquieria splendens subsp. splendens I. W. Clokey 1935-4-17 6752 Riverside Shafer Wells Comment
  UCD104214  Fouquieria splendens subsp. splendens Helen Kennedy; Fred R. Ganders 2008-4-9 6262 Riverside Mojave Desert. 0.5 mi. from junction of Hwy. 10 and Cottonwoods Springs Rd., on dirt road to W, SE of entrance to Joshua Tree National Park. 529 Comment
  UCR244305  Fouquieria splendens subsp. splendens Jim Andre 2012-4-15 20854 Riverside Sonoran (Colorado) Desert, west end of Hayfield Dry Lake, 0.3 mi. N. of I-10, 0.4 mi. NE of Jct Hayfield Rd and I-10 395 Comment
  RSA762733  Frangula californica subsp. californica Patrick Garrett, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 87 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCD121443  Frasera parryi R. N. Raynor 1939-6-20 s.n. Riverside San Jacinto Mts. Near Coahuila. Comment
  UCR178341  Fraxinus dipetala T. B. Salvato, Jeffrey Ross 1998-5-14 MOR- 139 Riverside San Bernardino Mtns., Morongo Indian Reservation, flat area cut by small wash, south and west of dirt road to Kitching Peak near junction with East Branch Millard Canyon, tree stand M-04 1128 Comment
  SD90097  Fraxinus velutina var. coriacea Nancy Ryan Zabriskie, Walter Zabriskie 1972-10-22 544 Riverside Cactus Spring Trail crossing of Horsethief Creek, tributary to Deep Canyon, north slope Santa Rosa Mountains. 1096 Comment
  UCD95139  Fumaria parviflora Gary W. Sanderson 1960-2-24 s.n. Riverside east side of State Highway 111, 1 mile north of Indio towards Palm Springs. Comment
  JOTR35150  Funastrum hirtellum La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 3262 Riverside Joshua Tree National Park. West Cottonwood Mountains; bouldery side canyon leading into southeast Pinkham Wash (Stop 4) Comment
  RSA776512  Funastrum hirtellum Amber Swanson, Duncan S. Bell 2011-3-10 212 Riverside Shaver's well in Box Cyn in the Mecca Hills 304 Comment
  UCR123869  Galium angustifolium subsp. gracillimum Steven R. Hill 2001-5-3 33675 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 3.8 mi west of Calif. Hwy 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area 793 Comment
  LA208516  Galium johnstonii F. H. Lewis; 1939-11-22 Riverside San Jacinto Mountains, Dry slope, Idyllwild Comment
  UCR42483  Galium multiflorum P. J. Leary 1975-5-28 1210 Riverside Transverse Range, Little Berdoo triangulation station, 0.5 miles southwest of Bernard Peak, Joshua Tree National Monument 1616 Comment
  RSA567550  Galium parishii Christopher Davidson 1978-6-15 7391 Riverside Santa Rosa Mountains. Santa Rosa Peak. Trail to the top. 2409 Comment
  CDA6663  Galium parisiense A. C. Sanders, T. B. Salvato 2001-5-25 24373 Riverside west end of Hemet-Ryan airport runway, 50-200 m east of Warren Rd. and 100-200 m north of Stetson Avenue, San Jacinto Valley. Comment
  UCR61028  Galium porrigens var. porrigens Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2288 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  CAS-BOT-BC178384  Garrya flavescens Lester Rowntree 1937-11-6 s.n. Riverside Along side of Santa Rosa Mt. Comment
  RSA597531  Garrya flavescens Louis C. Wheeler 1960-5-9 7687 Riverside Santa Rosa Mountains. Garnet Queen Mine. Comment
  SD229183  Garrya flavescens Dick Schwenkmeyer 2012-8-6 769 Riverside Garnet Queen Mine on Santa Rosa Mountain road, 4.1 miles southeast of the intersection of highway 74 and Santa Rosa Mountain Road. 1834 Comment
  UC630468  Garrya veatchii H. E. and S. T. Parks 1938-2-17 24087 Riverside Palms to Pines Highway; San Jacinto Mountains 914 Comment
  UCR177113  Garrya veatchii Tracy Tennant, Jeffrey Ross 1998-3-10 MOR- 1106 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon 1037 Comment
  RSA179500  Gastridium phleoides E. W. Lathrop 1960-6-7 4898 Riverside 14 miles west of Murrieta Comment
  UCR193412  Gayophytum A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35631 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
  UC665889  Geraea canescens Ira L. Wiggins 1941-3-24 9570 Riverside sand dunes 0.3 mi s Myoma (4.6 mi n of Indio) Comment
  UCR167202  Geraea canescens 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
  SEINET11849876  Geraea canescens Unknown 1936-1 12552 Riverside Colorado Desert N of Palm Springs Comment
  UC17150  Geranium californicum H. M. Hall Jul 1901 2336 Riverside vicinity Deer Springs; San Jacinto Mountains 2743 Comment
  UCR193301  Gilia A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35597 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek watershed, along foot trail from May Valley Road toward mapped spring 1560 Comment
  RSA72287  Gilia angelensis F. W. Peirson 1929-5-4 8334 Riverside Summit of St John's grade. 792 Comment
  UCR116010  Gilia angelensis George K. Helmkamp, E. A. Helmkamp 1997-3-5 1335 Riverside San Bernardino Mtns./San Gorgonio Pass, Cabazon, 0.5 mi north of I-10 on Millard Pass Rd. 564 Comment
  UCR231812  Gilia capitata Brent Barnes, A. C. Sanders, Giles Waines, UCR Plant Taxonomy Class 2007-5-12 16 Riverside Peninsular Range; San Jacinto Mtns., dirt forest service road north of Poppet Flats, west of Hwy 243 1253 Comment
  UCR265818  Gilia capitata Mitch Provance 2012-5-24 512- 08 A Riverside San Gorgonio Pass, Banning, near its border with Beaumont, Smith Creek Wash vicinity, E of Highland Springs Rd., both N and S of W Wilson St. 784 Comment
  RSA559955  Gilia capitata subsp. abrotanifolia Steve Boyd, Orlando Mistretta 1992-4-23 7066 Riverside San Mateo Canyon Wilderness Area, along San Mateo Creek from Riverside Co. line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 243 Comment
  RSA67306  Gilia diegensis G. R. Campbell 1951-4-22 16003 Riverside Palms to Pines Hwy [74], 1 mi. e. of road to Santa Rosa Mt.[Santa Rosa Mt Truck Trail], 1371 Comment
  CAS-BOT-BC407607  Gilia ochroleuca subsp. exilis B. Trowbridge 1979-4-13 6071 a Riverside 5 miles E of Temecula off Hwy 71 762 Comment
  CAS-BOT-BC407611  Gilia ochroleuca subsp. exilis M. Bourell; R. Patterson; S. Timbrook 1986-4-7 2953 Riverside Temescal Canyon Rd., ca. 1 mile SE of Glenn Ivy Hotsprings Rd., ca. 200 m from RR overpass. 259 Comment
  RSA0016239  Gilia ochroleuca subsp. exilis Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4983 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
  UC880179  Gilia ochroleuca subsp. exilis I. W. Clokey, E. G. Anderson 1935-4-16 6831 Riverside e Hemet (steep open hillside); e of Hemet 600 Comment
  UCR48345  Gilia ochroleuca subsp. exilis Steve Boyd 1986-4-22 1755 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  UCR92232  Gilia ochroleuca subsp. exilis D. L. Banks, Steve Boyd 1995-5-3 0256 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
  JEPS69719  Gilia stellata W. L. Jepson 1928-4-25 12600 Riverside in the wash below Cottonwood Spr; Colorado Desert, Eagle Mtns. 731 Comment
  RSA487535  Gilia stellata B. Pitzer 1988-3-10 660 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
  SEINET3005070  Gilia stellata G. Rink 2011-5-1 10508 Riverside North side of the Chuckawalla Mountains near Chuckawalla Spring 505 Comment
  UC667281  Gilia stellata Annie M. Alexander and Louise Kellogg 1941-4-27 2099 Riverside Joshua Tree National Monument Joshua Tree National Monument (Riverside and San Bernardino Counties) 1310 Comment
  UCR216212  Gilia stellata Jim Andre, T. La Doux 2009-2-25 10826 Riverside Sonoran (Colorado) Desert, Palen Dry Lake; c. 6 miles north of I-10 freeway, c. 15 miles east of Desert Center 129 Comment
  POM157911  Githopsis diffusa subsp. filicaulis P. A. Munz 1927-5-20 10807 Riverside 10 miles S. of Hemet. Comment
  CLARK-A1528-4676  Glyceria elata John C. Roos 1941-8-2 85 Riverside San Jacinto Mountains Comment
  SDSU12522  Gnaphalium californicum Shasta Gaughen, M. G. Simpson 2000-4-29 11 Riverside 0 Comment
  UCR3183  Gnaphalium californicum Chuck Elliott 1964-5-7 s.n. Riverside Riverside, 1 mi past end of Canyon Crest Road west. 305 Comment
  UCR92247  Gnaphalium luteoalbum Scott D. White 1995-7-7 3448 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  RSA0120474  Grayia spinosa Duncan S. Bell 2016-3-13 8930 Riverside Whitewater Canyon; in the vicinity of Painted Hill, approximately 2.5 air miles southeast of the Ranger Station (trout pond). 613 Comment
  RSA67370  Guillenia lasiophylla F. W. Peirson 1919-4-13 661 Riverside Along Tahquitz Canyon stream, SE of Palm Springs. Comment
  UC1213986  Gutierrezia californica Otto T. Solbrig 1958-8-21 2774 Riverside on Hwy 74 18.3 mi e Keen Kamp Comment
  RSA450480  Gutierrezia sarothrae J. C. Roos 1965-6-21 s.n. Riverside the hills 2 miles S of Beaumont Comment
  SD51717  Gutierrezia sarothrae Otto T. Solbrig 1958-4-18 2760 Riverside 12.3 miles west of Aguanga on Highway 79 (mak 8/07) Comment
  CLARK-A1528-1884  Haplopappus cooperi John C. Roos 1943-5-22 2648 Riverside Little San Bernardino Mountains Comment
  PASA1968  Harpagonella palmeri Frank W. Peirson 1922-5-19 Riverside 2 _ miles from Murietta on the road to Perris Comment
  RSA0066621  Harpagonella palmeri A. C. Sanders 2006-5-19 32379 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
  UCR217554  Harpagonella palmeri Diane Menuz 2008-4-4 390 Riverside Peninsular Range, Palomar Mountains. And 0.5 mi down Woodchuck Rd. from national forest boundary 719 Comment
  RSA0066626  Harpagonella palmeri Steve Boyd 1986-3-9 1384 Riverside Temescal Canyon: Alberhill Mountain, S slope of mountain just east of claymine area. 427 Comment
  RSA192326  Hazardia squarrosa var. grindelioides E. W. Lathrop 1966-9-14 6893 Riverside 3 miles SW of Murrieta. Comment
  UCR281489  Helianthemum scoparium Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-5-31 517- 113 Riverside Temescal Valley, 0.25 miles SW of the intersection of De Palma Rd. and Horsethief Canyon Rd. 396 Comment
  RSA543143  Helianthus annuus subsp. lenticularis Steve Boyd 1991-3-17 5499 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
  RSA0012940  Helianthus californicus I. W. Clokey, E. G. Anderson 1935-8-21 6934 Riverside North fork, San Jacinto River. 1500 Comment
  RSA487425  Helianthus gracilentus 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
  RSA93769  Helianthus niveus subsp. canescens F. W. Peirson 1918-03 1329 Riverside Irrigated field near Indio. Comment
  UC184860  Heliotropium convolvulaceum var. californicum E. E. Schellenger Riverside Santa Maria Mts. Comment
  SD233777  Heliotropium curassavicum A. C. Sanders, Kelly Volansky 2003-10-16 27344 Riverside Moreno Valley: lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. (Riverside East 7.5' Q). 534 Comment
  RSA614683  Hemizonia mohavensis A. C. Sanders, T. Schram, D. Wappler 1994-10-4 15772 Riverside N slope of the mountains; Brown Creek drainage 0.3-0.5 mi. above confluence with Twin Pines Creek. 915 Comment
  UCR266260  Hemizonia paniculata D. E. Bramlet 2006-8-11 4045 Riverside Perris-Aguanga Basin Region, San Jacinto Valley, west of Hemet at Hemet-Ryan Airport 459 Comment
  UCR177722  Hemizonia pungens subsp. laevis Michael Wall 1996-7-6 146 Riverside Peninsular Ranges; Perris-Aguanga Basin region, San Jacinto Valley, W side of Ramona Expressway in swale beginning 0.4 mi SE of Sanderson continuing for >0.5 mi. 488 Comment
  UCR202232  Hemizonia pungens subsp. laevis Karin Cleary-Rose 1998-9-7 s.n Riverside Perris-Aguanga Basin Region; San Jacinto River Valley, west edge of Hemet, east of Warren Rd., south of Esplanade and north of the Tres Cerritos Hills 460 Comment
  UCR235053  Hemizonia pungens subsp. laevis A. C. Sanders, John F. Green 2012-5-27 40218 Riverside Peninsular Range; Perris-Aguanga Basin Region, Lake Elsinore, SE of Riverside Dr. (Hwy 74) on NE side of Pasadena Ave., NW of Central Ave. 386 Comment
  RSA785471  Hemizonia pungens subsp. pungens Jeremiah George 2011-8-9 s.n. Riverside Moreno Valley, NW corner of Indian St. and Nandina Ave. 450 Comment
  UCR230594  Hemizonia pungens subsp. pungens Jeremiah George 2011-8-9 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, Moreno Valley, NW corner of Indian St. and Nandina Ave. 450 Comment
  SBBG120598  Hesperolinon micranthum A. C. Sanders 2006-5-19 32389 Riverside hills between Murrieta and Menifee Valley, W of I-215, S of Bundy Cyn/Scott Rd and N of Clinton Keith Rd 518 Comment
  RSA739711  Heterocodon rariflorum A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35634 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
  UCR90358  Heterocodon rariflorum D. L. Banks, Steve Boyd 1995-5-30 0480 Riverside Peninsular Range; Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area; N flank of Agua Tibia Mtn, along the Dripping Springs Trail; at first saddle area in section 34, NNE of two peaks of Agua Tibia Mtn. 1134 Comment
Read comments
Apr 28 2009
  RSA0075882  Heterotheca grandiflora N. C. Cooper 1943-9-11 901 Riverside Banning 610 Comment
  UCR82900  Heterotheca sessiliflora A. C. Sanders, S. White, C. L. Sanders 1994-10-9 15804 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  POM153366  Heterotheca sessiliflora subsp. echioides P. A. Munz, I. M. Johnston 1928-9-12 11249 Riverside Temescal Canyon. Comment
  RSA160436B  Heterotheca sessiliflora subsp. echioides J. D. Olmsted 1959-8-18 801 Riverside May Valley Truck trail at crest W of S ridge of Tahquitz Peak, SE of Desert Sun School, Idyllwild, alt 5800ft. San Jacinto Mts, 1768 Comment
  SBBG98223  Heuchera hirsutissima M. B. Dunkle 1933-7-19 3688 Riverside Tahquitz Pk 2651 Comment
  SD67922  Heuchera hirsutissima Reid Moran 1968-8-3 15368 Riverside north slope 1 mile west of summit Santa Rosa Mountain 2150 Comment
  SEINET2431524 Image available Heuchera hirsutissima Louis B. Ziegler 1969-7-1 Riverside North slope of San Jacinto Mountains. 2350 Comment
  RSA0042858  Hibiscus denudatus Duncan S. Bell, LeRoy Gross 2014-3-20 6270 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  RSA719237  Hibiscus denudatus Michael Honer, L. Hulse 2004-4-3 1915 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
  SD224799  Hilaria rigida A. C. Sanders, K. Rose & D. Woodard 1995-3-22 16205 Riverside Coachella Valley: mouth of San Gorgonio Pass, alluvial fan just E of the mouth of Whitewater Canyon between Windy Point and I-10. 370 Comment
  UCR260218  Hilaria rigida A. C. Sanders, Jim Malusa 2015-3-10 41378 Riverside Sonoran (Colorado) Desert, north end of Chocolate Mountains, Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range 610 Comment
  SEINET4585063  Hilaria rigida J. Davy 1902-4-2 15 Riverside Salton Comment
  RSA716191  Hirschfeldia incana Scott D. White, Angelia Carey 2004-4-5 10018 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR163059  Hoffmannseggia glauca B. G. Pitzer, G. R. Ballmer 2000-10-14 4220 Riverside Sonoran (Colorado) Desert, south of eastern Ford Dry Lake, south side of Hwy I-10 along gasline road, 0.5-0.75 mi. east of Ford Lake Rd. exit, c. 22 miles west of Blythe 115 Comment
  RSA0096926  Hoffmannseggia glauca Steve Boyd, Thomas S. Elias, Erika Winter 1986-2-18 1339 Riverside Shavers Valley, Colorado Desert: NW end of Hayfields Dry Lake. Comment
  LA45810  Hoffmannseggia microphylla A. M. Johnson; 1928-5-5 365 Riverside Painted Canyon, Colorado Desert 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
  CLARK-A1528-4689  Hordeum glaucum John C. Roos 1952-4-9 5494 Riverside Riverside 304 Comment
  RSA85086  Hordeum intercedens J. C. Roos 1952-4-23 5571 Riverside 1 miles southeast of Perris 427 Comment
  UCR159087  Hordeum intercedens Scott D. White, M. Jacobsmeyer 1996-4-20 3964 Riverside Perris Basin, near Perris Airport; c. 100 m south of Case Road and 100 m west of the San Jacinto River Channel 433 Comment
  UCR207345  Hordeum murinum O. F. Clarke 2004-2-8 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UCR226065  Hordeum murinum A. C. Sanders, T. B. Salvato 2011-4-1 38968 Riverside Peninsular Range, Lake Elsinore, hilltop 90 m NE of intersection of Baker St. and Bunker St., 0.35 km NW of Hwy 74 401 Comment
  RSA575996  Hordeum murinum subsp. leporinum Steve Boyd 1981-4-10 s.n. Riverside Gavilan Hills region, canyon at southeastern base of Rocky Bluff Ridge, east of Estelle Mountain and south of Gavilan Plateau. 610 Comment
  UCR93192.1  Hordeum murinum subsp. murinum Steve Boyd 1986-4-2 1619 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  POM48756  Horkelia clevelandii Fordyce Griffiths Jr. 1908-07 s.n. Riverside Tahquitz Valley 2439 Comment
  JEPS19516  Hulsea vestita subsp. callicarpha Peter H. Raven with R. Snow 1957-7-26 11098 Riverside 0.7 mi n Vista Grande Ranger Station (Banning--Idyllwild Road); San Jacinto Mountains Comment
  POM12884  Hulsea vestita subsp. callicarpha P. A. Munz 1922-7-7 6056 Riverside Zigzag on trail S of Hidden Lake. 2348 Comment
  POM360712  Hulsea vestita subsp. callicarpha Christopher Davidson 1978-6-15 7393 Riverside Santa Rosa Mountains. Santa Rosa Peak. Trail to the top. 2409 Comment
  SEINET480191  Hulsea vestita subsp. callicarpha D. Wilken 1969-6-30 Riverside Along road to Toro Peak, 5.9 miles south of California State Hwy 74, Santa Rosa Mountains Comment
  UCR110974  Hulsea vestita subsp. callicarpha George K. Helmkamp 1998-6-27 4114 Riverside Santa Rosa Mtns., 5.8 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), below Mountain Home Spring 1799 Comment
  CSUSB1758  Hunnemannia fumariifolia Morse 1974-6-29 Riverside North end of Linsay Street (Glen Avon). 228 Comment
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Oct 22 2011
  POM4806  Hymenoclea salsola Marjorie Shaw 1916-03 s.n. Riverside Palm springs Comment
  RSA696758  Hymenoclea salsola J. R. Bruff 1928-4-2 94 Riverside Canyon wash 1 mile west of Morengo. Comment
  UCR85286  Hymenoclea salsola Bern Schwenn 1994-3-21 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Park and vicinity, Little San Bernardino Mtns, along radio tower road in first canyon west of mouth of Pushawalla Canyon, east of Upper Thousand Palms Canyon 610 Comment
  SDSU13892  Hypochaeris glabra Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2141 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  UCR20699  Hypochaeris glabra A. C. Sanders, Steve Boyd 1980-5-2 1403 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  JEPS63226  Hyptis emoryi W. L. Jepson 1912-10-30 5250 Riverside Black Point Colorado River, , Black Point (Riverside Mts.) 88 Comment
  POM308630  Hyptis emoryi Henry J. Ramsey, Henry J. Ramsey 1937-5-9 3219 Riverside North of Indio. Comment
  RSA648296  Hyptis emoryi Mark Hotchkiss 1977-4-23 s.n. Riverside 7 mi. S.W. of Palm Desert. Pines to Palm Hwy. 457 Comment
  UCR120713  Hyptis emoryi Helen Kennedy, T. B. Salvato 2002-2-2 5450 Riverside Western Colorado Desert/ San Jacinto Mtns, Coachella Valley, Agua Caliente Indian Reservation, mouth of Andreas Canyon at Palm Canyon, S edge of Palm Springs between Andreas Cyn. Rd. and water tank on W edge of sec. 2 244 Comment
  UCD126502  Ipomoea triloba T. C. Fuller 1962-10-2 9704 Riverside south side of Ave. 32, 0.6 mile east of Ludy Blvd., 6.9 miles southwest of Ripley, Palo Verde Valley. Comment
  UCR260540  Isocoma menziesii var. vernonioides T. B. Salvato 2014-5-29 8051 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully, c. 1.13 mi west of Murrieta Rd and 4.10 mi southeast of Canyon Lake 537 Comment
  UC1463089  Isomeris arborea Arthur S. Barclay and Juan Arguelles 1965-3-4 1797 Riverside 4 mi n State Highway 79 junction with State Highway 71 (along State Highway 79) Comment
  UCR22501  Isomeris arborea var. arborea C. S. Jones 1979-2-24 8 Riverside Sonoran (Colorado) Desert, 4 miles southeast of Eagle Mountain., near old Eagle Mtn. Road 305 Comment
  UC2062449  Ivesia callida Barbara Ertter with Ken Berg, Roxanne Bittman, and Tim Krantz 1987-9-5 7425 Riverside Head of Andreas Canyon on N side Red Tahquitz Peak, San Jacinto Mountains. Comment
  UCD51331  Jarava speciosa F. M. Reed 1926-5-8 5326 Riverside Riverside and vicinity, hill near Good Hope Mine. Comment
  UCR132724  Juglans californica A. C. Sanders, O. F. Clarke 1991-6-10 11128 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  UCR133319  Juglans californica John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  SD225005  Juglans nigra A. C. Sanders, S. Hawkins 1996-4-24 18085 Riverside San Bernardino Mtns.: Morongo Indian Reservation, vicinity of natural pond & bog at SE edge of Burro Flats. 1100 Comment
  UCR41375  Juncus balticus N. M. Fellows 1985-1-5 57 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
  UCR96427  Juncus balticus Scott D. White 1996-8-1 4427 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  CLARK-A1528-4874  Juncus bufonius John C. Roos 1937-5-10 2069 Riverside Perris Comment
  RSA515308  Juncus bufonius Jeri Hirshberg 1989-4-18 s.n. Riverside Santa Rosa Plateau: S of town of Murrieta, S of Mesa de Burro and NW of Mesa de la Punta. 610 Comment
  SD187306  Juncus bufonius Scott D. White, Angelia Carey 2004-5-7 10333 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 548 Comment
  RSA0099584  Juncus cooperi Duncan S. Bell 2015-8-12 8592 Riverside Orocopia Mountains; southwestern section of the range, collecting at a spring in the southern section of the Dos Palmas area. Temperature at around 120 degrees. -41 Comment
  RSA692228  Juncus effusus subsp. austrocalifornicus Scott D. White 2003-10-9 9815 Riverside Pine Cove. Lily Creek just north of crossing at Hwy 243. 1738 Comment
  UCR24956  Juncus macrandrus A. C. Sanders 1980-8-23 1759 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  RSA520947  Juncus macrophyllus Steve Boyd, David E. Bramlet 1988-10-8 2872 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Comment
  JOTR36424  Juncus mexicanus La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3369 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  POM78994  Juncus mexicanus I. M. Johnston 1925-7-19 s.n. Riverside Pedley - Norco Road, 4 miles SSE of Wineville. Comment
  UC1601812  Juncus oxymeris H. M. Hall Jul 1901 Riverside vicinity Deer Springs; San Jacinto Mts. 2590 Comment
  POM184650  Juncus rugulosus L. C. Wheeler 1931-10-3 188 Riverside Strawberry Valley, San Jacinto Mountains. 1585 Comment
  POM259178  Juncus saximontanus Phillip A. Munz 1938-8-13 15324 Riverside Cedar Spring, north base of Santa Rosa Peak. 2287 Comment
  UCR156273  Juncus tiehmii T. B. Salvato, A. C. Sanders 2005-5-17 897 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
  SD187311  Juncus xiphioides Scott D. White, Angelia Carey 2004-5-7 10330 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 548 Comment
  SDSU11820  Juncus xiphioides Thomas A. Zink 1971-5-1 Riverside Growing along Sandia Creek in wet, sandy soil just off Guava Rd. 4.3 miles from the Rancho California, Santa Rosa Ranch gate. 366 Comment
  SDSU13572  Juncus xiphioides W. Miller 1972-7-11 Riverside Comment
  RSA494627  Juniperus californica Maureen H. Pendleton 1987-5-20 s.n. Riverside Ca. 0.8 mi. (airline) WSW of town of Anza on Terwilliger Rd. 1280 Comment
  SD80105  Juniperus californica Nancy Ryan Zabriskie, Walter Zabriskie 1971-4-9 385 Riverside Santa Rosa Mountains, north slope, Deep Canyon, east side of water service road, about 1.5 miles south of Highway #74 Comment
  RSA398813  Justicia californica H. de Forest 1924-4-13 s.n. Riverside Tahquitz Canyon. Comment
  RSA80967  Justicia californica G. R. Campbell 1952-4-6 18416 Riverside 3 mi. S. of jct. with road to Cottonwood Springs, Joshua Tree National Monument Road from 29 Palms to Hwy 60-70. 915 Comment
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Nov 19 2011
  RSA82009  Justicia californica F. W. Peirson 1916-04 1172 Riverside abundant about mouth of Tahquitz Canyon, Palm Springs. Comment
  UC1051454  Justicia californica Herbert L. Mason 1952-4-7 14212 Riverside Palm Canyon Comment
  UC1329995  Justicia californica James E. Cole 1941-3-30 455 Riverside Cottonwood Spring Wash Joshua Tree Nat'l Monument, Cottonwood Spring Wash Comment
  UCD121637  Justicia californica Geoffrey Levin 1976-3-27 686 Riverside Chino Canyon, west of Palm Springs. Mt. range: Alluvial Fan of San Jacinto Mts. Drainage Area: Salton Sea basin. 396 Comment
  UCR226787  Justicia californica Jim Andre 2011-2-9 15901 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
  RSA0062479  Kallstroemia californica A. C. Sanders, T. B. Salvato 2012-10-12 40409 Riverside Chuckwalla Valley, along Chuckwalla Valley Rd. near intersection with Graham Pass Rd., 4.56 km west of I-10 junction. 124 Comment
  SEINET3071822  Kallstroemia californica Marc A. Baker, Michelle Cloud-Hughes 2011-12-18 17503 Riverside West of Palen Pass quadrangle, zone 11 0663470mE 3753470mN NAD83, Palen Valley, along Palen Pass Road, 17km west of Palen Pass, 67km WNW of Blythe, 27km NNE of Desert Center 175 Comment
  CAS-BOT-BC235500  Keckiella antirrhinoides Peter H. Raven 1958-5-17 12934 Riverside 3.4 miles south-east of Banning on road to Idyllwild, San Jacinto Mountains Comment
  RSA424827  Keckiella antirrhinoides E. Mannatt 1931-4-19 s.n. Riverside Hemet Comment
  UCD123747  Keckiella antirrhinoides A. C. Sanders; T. B. Salvato 2000-5-25 23430 Riverside Menifee Valley. south of Newport Rd., north of Holland Rd., and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake. 439 Comment
  UCR277882  Keckiella antirrhinoides B. C. Templeton 1930-4-15 1100 Riverside Gavilan Hills, Gavilan Peak, west of Perris 610 Comment
  SBBG66454  Keckiella antirrhinoides subsp. microphylla L. G. Yates 1894-11-22 Riverside Riverside County [no specific locality] Comment
  OBI37488  Keckiella cordifolia Steve Boyd 1985-7-23 1022 Riverside De Luz Rd, 8.5 mi W of rancho California 274 Comment
  SDSU10649  Keckiella cordifolia Garrison 1962-7-16 7 Riverside Riverside County. 3 miles south of Temecula, on Hwy 395. Cismontane slope, elev. 1100 feet 335 Comment
  SD28119  Keckiella rothrockii var. jacintensis Carl B. Wolf 1932-8-5 3933 Riverside San Jacinto Mts. Summit of Devil's Slide Trail from Idyllwild to Taquitz Valley 2438 Comment
  POM17871  Keckiella ternata subsp. ternata Philip A. Munz, D. D. Keck 1923-6-14 7082 Riverside Trail Glen Ivy to Santiago Peak. 1616 Comment
  UCR262261  Keckiella ternata subsp. ternata T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3724 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  JEPS12492  Kelloggia galioides S. B. and W. F. Parish Aug 1881 967 Riverside San Jacinto Mountains Comment
  UCR182441  Koeleria gerardi Mitch Provance 2001-3-11 4630 Riverside San Bernardino Valley, Sunnyslope, Armstrong Rd. c. 0.5 miles south of the Riverside/San Bernardino Co. line 305 Comment
  UCR2492  Koeleria macrantha F. M. Reed 1924-4-20 5133 Riverside N end Peninsular Range; San Bernardino Valley Region, Reche Canyon on Box Springs Mountain 427 Comment
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May 1 2011
  LA205733  Krameria bicolor A. W. Haupt; April 1926 sn Riverside Palm Springs Comment
  SD90403  Krameria bicolor Robert F. Thorne, C. W. Tilforth 1973-5-30 43578 Riverside Colorado Desert: Mouth of Morongo Valley at N end of Coachella Valley. On rocky slopes of desert wash in creosote bush scrub. 548 Comment
  SJSU4485  Krameria bicolor T. G. Balgooyen 1966-4-4 46 Riverside 3 mi E of Palm Springs Comment
  UCSB16824  Krameria bicolor Field, L. 1963-5-5 Riverside 5.3 miles south Palm Desert on California Highway 74 Comment
  UCSB37889  Krameria bicolor Roos, John 1965-6-23 Riverside Colorado Desert, Lost Palms Canyon in the Eagle Mtns. Comment
  RSA161076  Krameria erecta Peter H. Raven 1958-5-18 12999 Riverside 4.9 miles NE of Pinyon Flats, San Jacinto Mtns. Comment
  RSA3960  Krameria erecta Carl B. Wolf 1932-4-29 3098 Riverside mesas at Western edge of Maria Mts., eastern Colorado Desert, 20 mi. from Blythe on Rice road. 152 Comment
  RSA795811  Krameria grayi C. P. Cowan 1978-4-23 1170 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon. 570 Comment
  SBBG34980  Lagophylla ramosissima T. L. Secrest 1951-5-21 Riverside 3 mi S of Banning 1066 Comment
  POM10522  Lamarckia aurea C. F. Baker 1909-04 s.n. Riverside Riverside. Comment
  POM352656  Lamarckia aurea N. C. Cooper 1944-4-22 1128 Riverside Banning. 732 Comment
  UCR72195  Langloisia setosissima Theo Glenn 1991-5-21 91- 107 Riverside Sonoran (Colorado) Desert, Arica Mtns, SW of Rice. Near old Priest Mine 421 Comment
  RSA48413  Langloisia setosissima subsp. setosissima E. K. Balls 1949-4-2 12898 Riverside Between Mecca and Mortmar on Hwy 111 -61 Comment
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Jun 24 2012
  RSA703743  Langloisia setosissima subsp. setosissima LeRoy Gross 2005-3-3 1565 Riverside Palen Mountains, south side. Near end of old prospect road., [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  SBBG64743  Langloisia setosissima subsp. setosissima M. N. Ackley 1928-4-1 Riverside between Indio and Palm Springs 60 Comment
  LA209863  Larrea tridentata A. M. Johnson; 1933-4-28 4223 Riverside flat below Palm Springs along hwy over mountains to Hemet Comment
  POM310387  Larrea tridentata Margaret Haringe 1946-4-15 284 Riverside Along road to 29 Palms, south of Morongo valley 396 Comment
  RSA0121415  Larrea tridentata Duncan S. Bell, LeRoy Gross 2016-3-30 9183 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.25 air miles southeast of the summit of Martinez Mountain. 518 Comment
  RSA104895  Larrea tridentata H. de Forest 1924-4-14 s.n. Riverside Indio- Mecca flats Comment
  RSA59634  Larrea tridentata Verne Grant, Alva Grant 1950-4-9 8832 Riverside eastern foothills of Santa Rosa Mts, near Indio. Comment
  RSA681035  Larrea tridentata Scott D. White, Michael Honer 2003-5-14 9269 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  UC65002  Larrea tridentata E. E. Schellenger 1904-10-18 28 Riverside Chuckwalla Bench; Colorado Desert Comment
  UCR161365  Larrea tridentata Mark A. Elvin 2005-4-25 4222 Riverside Northern Sonoarn Desert, Coachella Valley; N of Palm Springs; N of 110; south of Dillon Road; east of Indian Avenue 244 Comment
  UCR177849  Larrea tridentata Marisa Sripracha, K. A. Boyd 2004-2-14 035 Riverside Sonoran (Colorado) Desert, Myoma, on the Thousand Palms Preserve, near the palm oasis just off Thousand Palms Drive 190 Comment
  UCR228402  Larrea tridentata Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-3-30 105 Riverside Northwestern Colorado (Sonoran) Desert, Coachella Valley Preserve, junction of Ramon Road and Thousand Palms Canyon Road, west of Thousand Palms north of powerline in Preserve 198 Comment
  UCSB19493  Larrea tridentata Winn, Will 1963-2-23 Riverside 4 miles E of Mecca, Coachella Valley 15 Comment
  SD152928  Lasthenia californica Steve Boyd, Tim Ross and Orlando Mistretta 1992-2-25 6680 Riverside Santa Ana Mountains, along San Mateo Trail from junction 7S04 and 7S01. 395 Comment
  SD30719  Lasthenia californica Edith A. Purer 1935-4-21 6442 Riverside Pine Valley on Palms to Pines Highway. Comment
  SEINET6083065  Lasthenia californica Unknown 1996-4-19 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  CAS-BOT-BC353285  Lasthenia coronaria H. M. Hall 1903-4-1 3787 Riverside Vicinity of Riverside 396 Comment
  RSA495408  Lasthenia coronaria Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2939 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  RSA85450  Lasthenia coronaria J. C. Roos 1952-4-13 5535 Riverside Box Springs Mtns. 396 Comment
  UCR140443  Lasthenia coronaria A. C. Sanders 2004-4-9 27453 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
  POM13768  Lasthenia gracilis P. A. Munz 1922-4-29 5088 Riverside 0.5 mile south of Lake Elsinore. 381 Comment
  UC30439  Lasthenia gracilis Geo. R. Hall 1901-3-17 1676 b Riverside Riverside Comment
  UCR225592  Lasthenia gracilis A. C. Sanders, T. B. Salvato 2011-3-29 38884 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
  RSA406642  Lathyrus vestitus subsp. alefeldii N. C. Cooper 1945-5-24 1637 Riverside Big Oaks Canyon, Banning. 1219 Comment
  UCR35017  Lathyrus vestitus subsp. alefeldii L. B. Ziegler 1967-6-27 182 Riverside San Jacinto Mtns, Hemet Valley 1585 Comment
  POM4846  Layia glandulosa H. M. Hall 1902-4-22 15554 Riverside Vicinity of Riverside County. 305 Comment
  UCR19470  Layia glandulosa C. S. Papp 1965-6-13 846 Riverside San Jacinto Mtns, Idyllwild 1829 Comment
  VVC1155  Layia glandulosa A. C. Sanders 1994-5-29 14573 Riverside San Bernardino Mtns, East Branch Millard Canyon, along Forest Service Road 4S45 1200 Comment
  SEINET3893992  Layia platyglossa D. Atwood 1993-3-29 17729 Riverside Huntington Beach along Beach Blvd ca 1/2 miles N of the Beach.; 0 Comment
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Jul 20 2015
  UCR25544  Layia platyglossa John C. Roos 1941-4-19 170 Riverside Peninsular Range, Loma Linda Hills/Box Springs Mtns.; plateau in Reche Canyon 671 Comment
  UCR266478  Layia platyglossa Mitch Provance, Matt Amalong 2015-3-25 315- 38 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
  POM361702  Layia platyglossa subsp. campestris P. A. Munz, I. M. Johnston 1922-5-19 5419 Riverside Hemet Valley, San Jacinto Mountains. 1402 Comment
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Apr 3 2011
  HSC85302  Lemna gibba Steve Boyd 1986-5-5 1851 Riverside Gavilan Hills, Estelle Mtn. Head of large canyon draining the SE side of Estelle Mtn. Comment
  RSA502516  Lemna minor Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3573 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  RSA653238  Lemna valdiviana Mitch Provance, A. C. Sanders 2000-7-4 2098 Riverside Riverside: Santa Ana River Wash, between the Market St. and Riverside Ave crossings. 244 Comment
  POM93707  Lepidium dictyotum Marcus E. Jones 1882-4-24 s.n. Riverside Temecula Comment
  HSC101221  Lepidium fremontii Jim Andre 2012-3-19 21394 Riverside Palen Mountains; along Palen Pass Rd. at Pallen Pass. 383 Comment
  POM14900  Lepidium lasiocarpum Mary F. Spencer 1920-3-14 1758 Riverside Mecca, Colorado Desert. -49 Comment
  RSA776293  Lepidium lasiocarpum Duncan S. Bell, Amanda Turek 2010-4-10 831 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine and Calzona Mine; approximately 3.8 air miles west of the Colorado River; approximately 2 air miles northeast of Riverside Mountain Peak. 198 Comment
  JOTR28808  Lepidium lasiocarpum var. lasiocarpum La Doux, Tasha, Bill Truesdell 2004-3-11 1076 Riverside Joshua Tree National Park. Pinto Basin; Sand Hills 530 Comment
  UC809724  Lepidium lasiocarpum var. lasiocarpum Philip A. Munz 1949-4-13 13061 Riverside above Cottonwood Springs (w end of Eagle Mts.); Colorado Desert, Eagle Mts. 1143 Comment
  UCR68503  Lepidium latifolium Chet McGaugh 1991-6-20 91- 01 Riverside Peninsular Range, Murrieta Hot Springs Area: c. 1 mi east of Hwy I-215, south of and adjacent to Murrieta Hot Springs Road 348 Comment
  HSC85408  Lepidium nitidum Steve Boyd 1986-4-2 1621 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  RSA85151  Lepidium virginicum var. robinsonii J. C. Roos 1952-4-9 5475 Riverside Fairmount Park 259 Comment
  UCR113196  Lepidium virginicum var. robinsonii A. C. Sanders 1998-3-11 21671 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near high water line of reservoir under construction 518 Comment
  CAS-BOT-BC329448  Lepidospartum squamatum W. R. Dudley 1903-12-28 s.n. Riverside Desert Palm Springs Station Comment
  POM319671  Lepidospartum squamatum Patricia Wilder 1971-9-29 5265 Riverside Along San Jacinto River at north end of Fairview Street, north of Florida Street. Valle Vista; east of Hemet; south side of river 518 Comment
  RSA736782  Lepidospartum squamatum Scott D. White, Angelia Carey 2004-7-2 10557 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  RSA778129  Lepidospartum squamatum Thomas Stoughton, E. Gardner, D. Bell 2010-11-12 720 Riverside PCT Trail. W of White Water Canyon. N of jct of I-10 and Rte 111. 732 Comment
  UCR211699  Leptochloa uninervia Fred M. Roberts, Michelle Balk 2006-8-24 6405 Riverside Upper San Jacinto Valley, Hemet, south side of Esplanade Rd. near intersection with Alabaster Rd., 0.3 km E of junction with Warren Rd. 452 Comment
  UCR117343  Leptodactylon californicum Mitch Provance 1998-3-20 249 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville. This area is now known as Southridge 381 Comment
  RSA0095144  Leptosiphon floribundus subsp. glaber Scott D. White, Tasha La Doux 2000-4-20 7702 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  RSA500557  Leptosiphon lemmonii Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3602 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 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
  UCR89230  Lessingia filaginifolia var. filaginifolia Scott D. White 1995-9-22 3678 Riverside San Jacinto Valley, March Air Force Base, west of Plummer St. and south of Cactus Ave., 0.7 mile west of 215 Fwy. 460 Comment
  POM197815  Lessingia glandulifera var. glandulifera John T. Howell 1927-8-2 2929 Riverside Top of control on road to Hemet, Mt San Jacinto. Comment
  SD48365  Lessingia glandulifera var. glandulifera E. K. Balls, P. C. Everett 1957-8-20 22678 Riverside Along State Highway 74, southeast of Hemet Reservoir, south end San Jacinto Mountains. 1355 Comment
  UCR103173  Lessingia glandulifera var. glandulifera Scott D. White, J. Greene, S. Douthit 1996-10-13 4624 Riverside San Jacinto Valley, Eastern foothills of valley (= 'Santa Rosa Hills'), south of Hemet 610 Comment
  UCR18401  Lessingia glandulifera var. glandulifera A. C. Sanders 1978-9-3 0145 Riverside San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  UCR35055  Lewisia rediviva var. minor L. B. Ziegler 1967-6-1 151 Riverside San Jacinto Mtns, Hemet (Garner) Valley 1375 Comment
  UCR189810  Lilium parryi Josh Koepke 2005-8-10 067 Riverside Peninsular Range- San Jacinto Mountains, Northern region of San Jacinto Mts, c. 1 km northeast of Highway 243, in stream above (east) Dark Canyon campground road 1767 Comment
  POM159844  Linanthus aureus E. C. Jaeger 1928-3-24 s.n. Riverside Eagle Mts. Colo. Desert. Comment
  SDSU3176  Linanthus ciliatus Bruhns 1965-5-22 109 Riverside Slope around girls' dormitory of desert Sun School in Idyllwild. Yellow Pine Forest. Comment
  UCR24233  Linanthus dianthiflorus John C. Roos 1952-4-13 5529 Riverside Box Springs Mtns 488 Comment
  POM73995  Linanthus dianthiflorus subsp. dianthiflorus Marcus E. Jones 1903-5-11 10278 Riverside Whitewater. 305 Comment
  GMDRC3554  Linanthus jonesii J. Andre, T. La Doux 2009-2-25 10829 Riverside Big Maria Mountains: along Hwy 95 (west side of highway), approx 15 mi. N. of Blythe. USGS 7.5 min. Quad: Big Maria Mountains 33 deg. 44.529' N 114 deg. 30.988' W. Elev. 308 ft. 94 Comment
  CLARK-A1528-5712  Linanthus liniflorus subsp. pharnaceoides John C. Roos 1960-5-30 Riverside Santa Ana Mountains 1066 Comment
  UCR19145  Linanthus liniflorus subsp. pharnaceoides John C. Roos 1952-5-26 5712 Riverside Haas' Ranch, Reche Canyon 457 Comment
  UCR57229  Linanthus pygmaeus Jeri Hirshberg 1989-5-2 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., Santa Rosa Plateau, south of town of Murrieta, SW of Mesa de Burro 610 Comment
  CLARK-A1528-4216  Linaria canadensis John C. Roos 1947-3-15 3346 Riverside San Jacinto Valley Comment
  UCR26172  Linaria canadensis John C. Roos 1947-3-15 3346 Riverside San Jacinto Valley, Valle Vista, east of Hemet 549 Comment
  UCR266492  Linaria canadensis var. texana Mitch Provance, Matt Amalong 2015-3-25 315- 36 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
  CLARK-A1528-1009  Linum lewisii John C. Roos 1947-5-24 3647 Riverside San Jacinto Mountains 1706 Comment
  UCR240642  Lithophragma Tracy Tennant, Mitch Provance 1998-6-16 MOR- 414 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  UCR241010  Lithophragma Tracy Tennant 1998-3-11 204 Riverside North Hills, Domenigoni Valley area, SE of Winchester 694 Comment
  UC11877  Lithophragma affine H. M. Hall 1897-3-27 410 Riverside Rawson Hills Comment
  UCR81100  Lithophragma bolanderi Scott D. White 1993-5-29 1475 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 2134 Comment
  RSA170448  Lobelia cardinalis subsp. graminea J. D. Olmsted 1959-8-13 776 Riverside Fleming Ranch in May Valley; at head of big green meadow (spring fed). 3 miles SE of Idyllwild. 1616 Comment
  RSA93778  Lobelia cardinalis subsp. graminea F. W. Peirson 1922-12-27 8649 Riverside About 1 miles up in Andreas Canyon, Palm Springs region. Comment
  SD4015  Loeseliastrum schottii Fidella G. Woodcock 1926-3-15 Riverside Palm Springs Comment
  UC31920  Logfia depressa W. G. Wright 1890-3-1 1819 Riverside Colorado Desert Comment
  UC405427  Logfia depressa Katharine Brandegee 1899-1 Riverside Colorado Desert Comment
  JEPS33559  Logfia filaginoides W. L. Jepson 1928-4-19 12428 Riverside hills 5 mi n Elsinore 609 Comment
  UCR59859  Logfia filaginoides J. M. Stewart 1988-3-21 623 Riverside Sonoran (Colorado) Desert, Corn Spring Canyon about 2 miles west of Aztec Well 688 Comment
  UCR92238  Logfia filaginoides D. L. Banks, Steve Boyd 1995-5-3 0283 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
  HSC85297  Logfia gallica Steve Boyd 1986-5-7 1842 Riverside Temescal canyon: Terrace escarpment between Horsethief wash and Indian Truck Trail, S of I-15 Comment
  UCR89827  Lolium perenne Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) andc. 0.25 mi south of the San Jacinto River 430 Comment
  RSA595327  Lolium perenne D. L. Banks, Victor Steinmann 1996-4-20 0877 B Riverside Temecula, at Mobil Gasoline Station on Bedford Ct., approximately 0.1 miles E on Hwy 79 from I-15 off ramp. Collected in disturbed field and along wall of adjacent apartment complex, SE of the Gas Station. Comment
  RSA577753  Lolium perenne subsp. multiflorum F. M. Reed 1928-8-11 5871 Riverside Near Chino Comment
  SD144086  Lomatium lucidum A. C. Sanders, T. Thomas, O. Clarke 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
  JEPS17026  Lomatium mohavense W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1332 Riverside Thomas Valley to Van Deventer's Ranch; San Jacinto Mts. Comment
  UC56509  Lomatium utriculatum H. M. Hall May, 1901 Riverside West Riverside Comment
  UC875217  Lomatium utriculatum Marcus E. Jones, A. M. 1882-4-25 3172 Riverside San Jacinto Comment
  UCR54454  Lonicera subspicata A. C. Sanders, E. J. Lawlor 1988-10-22 8733 Riverside Peninsular Range; Santa Rosa Mountains, Pinyon Flats area, c. 0.5 mi west of the Dolomite Mine 1200 Comment
  RSA191424  Lonicera subspicata var. denudata E. W. Lathrop, R. F. Thorne 1967-9-26 s.n. Riverside 6 miles NW of Murrieta. Comment
  CLARK-A1528-2409  Lonicera subspicata var. johnstonii John C. Roos 1952-7-16 5813 Riverside 487 Comment
  UCR51360  Lotus argophyllus B. G. Pitzer, A. C. Sanders 1987-4-21 498 Riverside Box Spring Mountains, near southernmost radio towers 793 Comment
  POM229029  Lotus argophyllus var. argophyllus P. A. Munz 1937-5-29 15155 Riverside Deep Canyon, Santa Rosa Mountains. 1067 Comment
  RSA113275  Lotus argophyllus var. argophyllus E. K. Balls 1955-4-1 20413 Riverside Hwy 74, 3 miles NE of Pinyon Flats. Alt 915 Comment
  RSA406124  Lotus argophyllus var. argophyllus N. R. Zabriskie, Walter M. Zabriskie 1973-4-6 628 Riverside South side of stream, Andreas Canyon, E slope San Jacinto Mountains 366 Comment
  RSA504557  Lotus argophyllus var. argophyllus Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mtns., ca 1 mi SE of town on Nuevo. 640 Comment
  POM229795  Lotus argyraeus var. argyraeus P. A. Munz 1937-5-30 15136 Riverside Santa Rosa Peak. 2409 Comment
  UCR24895  Lotus crassifolius A. C. Sanders 1980-7-22 1701 Riverside Peninsular Range; San Jacinto Mtns., Drainage of the north fork of the San Jacinto River, along Forest Service Road 4S02, 0.8 mi south of Dark Canyon Campground, c. 2 air mi north of Pine Cove. 1829 Comment
  UCR6717  Lotus crassifolius Frank C. Vasek 1964-7-25 640725- 15 Riverside San Jacinto Mountains, Dark Canyon 1829 Comment
  RSA406159  Lotus hamatus N. R. Zabriskie, Walter M. Zabriskie 1973-4-3 609 -a Riverside Top of Poorwill Canyon, Andreas Canyon area, est slope San Jacinto Mountains 427 Comment
  UCR48394  Lotus hamatus Steve Boyd 1986-5-1 1795 Riverside Perris-Aguanga Basin region, southwestern Perris Basin, hill west of Skunk Hollow, Skunk Hollow vernal pool 488 Comment
  RSA704877  Lotus heermannii J. B. B. 1934-2-19 s.n. Riverside Idyllwild. Comment
  UC864786  Lotus heermannii C. Epling and Wm. Robison 1935-6-30 Riverside between Pine Flat and Fuller's Mill; Mt. San Jacinto Comment
  UCR199767  Lotus heermannii Scott D. White, Angelia Carey and Linda Archer 2004-8-5 10676 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Indian Creek and adjacent uplands, from confluence with San Jacinto River to c. 2 miles upstream 610 Comment
  SEINET3208896  Lotus nevadensis var. nevadensis G. Goodwin 2012-6-14 3451 Riverside San Jacinto Mountains, south of Banning along highway 243 just north of Vista Grande viewpoint 1550 Comment
  UC489410  Lotus nevadensis var. nevadensis C. V. Meyer Jun 1927 206 Riverside Saunders Meadow San Jacinto Mts. 1676 Comment
  UC1931212  Lotus oblongifolius Scott D. White, Justin Wood 2008-7-8 12371 Riverside San Jacinto Mountains: Hurkey Creek Watershade - Bonita Vista Road, ca 1/2 miles E and W of Hurkey Creek crossing. (Idyllwild) Comment
  RSA720599  Lotus purshianus T. Tennant, T. B. Salvato 1998-6-23 MOR- 486 Riverside Morongo Indian Reservation, N end of Hathaway Cyn., ca. 0.4 miles E of pk 4265 (polygon 13). 1341 Comment
  SDSU4337  Lotus rigidus A. H. Gallup 1949-3-28 379 Riverside Palms to Pines Hwy. 732 Comment
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Jan 24 2013
  RSA517916  Lotus salsuginosus Steve Boyd, Thomas S. Elias, Erika Winter, Bob Boyd 1986-2-18 1334 Riverside Mecca Hills, Colorado Desert: Box Canyon, along Hwy 195. Comment
  CSUSB1257  Lotus scoparius Scott Fowler 1964-4-4 640404 43 Riverside Found on east side of hill directly behind the C.E.S. building on the UCR (University of California Riverside) campus in Riverside. 396 Comment
  RSA658884  Lotus scoparius Douglas A. Springer 1981-2-16 6 Riverside 2.9 miles E of La Serra Rd., E of Corona. Comment
  RSA406899  Lotus scoparius var. brevialatus M. B. Dunkle 1932-3-25 2879 Riverside Cabezon. Comment
  UC1537087  Lotus scoparius var. brevialatus Gordon H. True Jr. 1935-3-11 78 Riverside Box Springs Comment
  UCR22093  Lotus scoparius var. brevialatus Steve Boyd 1980-5-11 243 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
  RSA709183  Lotus strigosus A. C. Sanders, T. B. Salvato 2005-4-28 29767 Riverside Peninsular Ranges: Gavilan Hills; north of Santa Rosa Rd., 1 mi. SW of Ida Leona Mine. 625 Comment
  SEINET7063560  Lotus strigosus A. G. Vestal 1947-4-8 s.n. Riverside About 6.8 miles south on Route 3. UTM Zone 11, 509589mE, 3707060mN. (WGS84/NAD83). 610 Comment
  UCR107403  Lotus strigosus B. G. Pitzer 1997-3-23 2975 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
  UCR88305  Lotus strigosus A. C. Sanders, K. C. Rose 1995-4-5 16374 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  RSA680919  Lotus strigosus var. tomentellus Scott D. White, Michael Honer 2003-5-14 9274 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  UCR260296  Lotus strigosus var. tomentellus A. C. Sanders, Jim Malusa 2015-3-9 41364 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along Gasline Road at major wash crossing 1.9 mi. south of Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range 686 Comment
  POM158200  Lotus unifoliolatus P. A. Munz 1928-9-6 11283 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  UCR102427  Lupinus andersonii Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mtns, along dirt road to the north of Castille Canyon Dr. at Poppet Flat, off Hwy 243. Comment
  RSA414451  Lupinus argenteus var. tenellus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  CDA27581  Lupinus arizonicus T. C. Fuller 1963-4-23 10280 Riverside Box Canyon Wash, Mecca-Blythe Road (Highway 195), 11.8 miles northeast of Mecca. 0 Comment
  POM349951  Lupinus arizonicus N. C. Cooper 1949-3-15 3173 Riverside 5 miles south of Palm Springs. 122 Comment
  RSA444313  Lupinus arizonicus Walter Wisura 1988-3-1 4183 Riverside Frontage Road, off I-10, near pumping station in Pinkham Wash area. Comment
  RSA788985  Lupinus arizonicus Aaron C. Sedgwick, David Fraker 2012-3-28 21 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  SBBG25102  Lupinus arizonicus D. Myrick 1966-4-2 1335 Riverside upper end of Aqueduct Rd, SE of Desert Hot Springs Comment
  UCR233175A  Lupinus arizonicus Jim Andre, Glenn L. Clifton 2011-2-22 17433 Riverside Mecca Hills, along Box Canyon Road, 8.5 mi northeast of town of Mecca 171 Comment
  RSA0113505  Lupinus arizonicus Lyman Benson 1945-3-29 11635 Riverside Canyon on Palm Springs Road. Mt. Range: Little San Bernardino. 609 Comment
  SDSU17489  Lupinus bicolor Jerry Jenkins 2001-3-31 2001 -010 Riverside Santa Margarita Ecological Reserve. Foot of shaded bluff, west side of Santa Margarita river slightly north of station. UTM zone 6, 481700N, 3699150E. with 006. UTM transfered to GIS. Comment
  SEINET3101908  Lupinus bicolor Marc A. Baker, with Michelle Cloud-Hughes 2011-6-12 17378 Riverside Goff Flat, 5.5km SW of Pyramid Peak Comment
  UCR136254  Lupinus bicolor A. C. Sanders 2004-4-20 27570 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
  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
  SEINET10484859  Lupinus bicolor subsp. marginatus David B. Dunn 1947-3-16 Dunn 2921 Riverside 0.5 mile n of cabazon in banning pass Comment
  RSA562496  Lupinus bicolor subsp. microphyllus Steve D. Boyd 1992-5-5 7240 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail 732 Comment
  SEINET10903820  Lupinus bicolor subsp. microphyllus Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-15 Conrad 7142 Riverside Scattered yellow pine at margin of large valley, 5.9 miles se of junction of Idlewild road and hwy 74 on 74. Annual 1341 Comment
  GMDRC6567  Lupinus concinnus J. M. Andre 2012-6-15 30523 Riverside San Jacinto Mountains: along Hwy 243, 8.6 mi. south of Interstate 10 (Banning), just northeast of Hungry Hollow and Poppet Flat; SB Natl. Forest 1309 Comment
  SD152849  Lupinus concinnus Steve Boyd, Tim Ross 1992-5-4 7198 Riverside San Mateo Canyon Wilderness Area; Oak Flats area east of Verdugo Potrero. 730 Comment
  SEINET238181  Lupinus concinnus George K. Helmkamp 1998-6-27 4097 Riverside Santa Rosa Mtns.: 3.3 mi S of Hwy 74 along Santa Rosa Mtn Rd. in vicinity of an unnamed spring. 1585 Comment
  UCR33822  Lupinus concinnus Robert McKernan 1980-4-10 s.n. Riverside San Bernardino Mtns., Banning Canyon, 6.2 mi. north of San Gorgonio Road, on the dirt road through the canyon 1372 Comment
  UCR84638  Lupinus concinnus Scott D. White, S. Ogg 1994-4-21 1988 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  UCR87659  Lupinus concinnus A. C. Sanders 1994-5-29 14565 Riverside San Bernardino Mtns., lower Millard Canyon, at first stream crossing on Forest Service Road 2S05, near Bench Mark 2868 850 Comment
  RSA673506  Lupinus concinnus subsp. optatus Scott D. White, Bill La Haye 2000-5-27 7936 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  SEINET10485081  Lupinus concinnus subsp. optatus L. Ziegler 1967-6-1 Ziegler s.n. Riverside Floor of hemet valley, kenworthy area, san jacinto mts. 1402 Comment
  POM46815  Lupinus concinnus subsp. orcuttii Mary F. Spencer 1920-4-19 1464 Riverside Palm Springs. 122 Comment
  POM12632  Lupinus concinnus var. concinnus P. A. Munz, I. M. Johnston 1922-5-21 5510 Riverside 2 mile below Kenworthy, Thomas Valley 1372 Comment
  POM12635B  Lupinus densiflorus var. densiflorus Philip A. Munz 1922-4-30 5102 Riverside Dripping Spring near Temecula Creek. Comment
  CAS-BOT-BC205383  Lupinus excubitus A. C. Sanders; T. B. Salvato; Matthew Malle; Jonas Winbolt; Katie A. Kurtz 2010-4-7 37801 Riverside Peninsular Range: southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  RSA104452  Lupinus formosus Alice Eastwood, John T. Howell 1941-5-16 9634 Riverside Walker Pass, Kern County Comment
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Oct 19 2012
  RSA413694  Lupinus hirsutissimus N. C. Cooper 1944-5-21 1304 Riverside San Jacinto Mtns, West side 1067 Comment
  RSA586132  Lupinus hirsutissimus D. L. Banks 1995-4-11 0175 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 Dripping Springs Trail. 950 Comment
  SDSU13340  Lupinus hirsutissimus C. Matt Guilliams 2000-4-29 9 Riverside Santa Margarita Ecological Reserve, 'Insect Trail'. 1.5 miles NE of Gavalin Mtn. 305 Comment
  UCR16244  Lupinus hirsutissimus H. C. Sharma 1976-4-25 760425- 02 Riverside San Jacinto Mtns., on Idyllwild - Banning Road. 915 Comment
  UCR176927  Lupinus hirsutissimus Tracy Tennant, Jeffrey Ross 1998-3-10 MOR- 1103 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon 1037 Comment
  RSA763171  Lupinus hyacinthinus Scott D. White, Justin M. Wood 2009-5-22 12902 Riverside San Jacinto Mountains: Quinn Flat Meadow. 1372 Comment
  RSA413759  Lupinus longifolius Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  UC1129524  Lupinus longifolius A. Lewis Mar 1934 314 Riverside Tin Mine Canyon; Cleveland National Forest, Corona Quad. Comment
  OBI48505  Lupinus microcarpus var. microcarpus Rhonda Riggins 1982-4-15 1341 Riverside Pasture and adj dirt rd, Guava St (DeLuz Rd) 0.4 mi S jct. Washington Ave in Murietta Comment
  SEINET10490185  Lupinus polyphyllus subsp. bernardinus David B. Dunn 1946-8-17 Dunn 2688 Riverside Collected in san jacinto mtns. Grass near stream at camp in taquity valley, Damp meadow area. 2438 Comment
  JOTR31222  Lupinus shockleyi La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 2006 Riverside Joshua Tree National Park. Eagle Mountains; (Stop 3) sand ramps 432 Comment
  RSA0125291  Lupinus sparsiflorus Duncan S. Bell 2016-3-3 8777 Riverside Whitewater Canyon; San Gorgonio Wilderness area; Rainbow Canyon, approximately 3.5 air miles east northeast of Kitching Peak. 820 Comment
  UCR87980  Lupinus sparsiflorus G. P. Schultz 1994-3-13 s.n. Riverside Box Springs Mountains, slope above Big Springs Canyon. Comment
  RSA50800  Lupinus sparsiflorus subsp. sparsiflorus Steve D. Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2310 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  CSUSB1635  Lupinus succulentus Rita Gibbons 1975-4-12 Riverside 3.5 miles north of highway 60 and Heacock in Sunnymead. Comment
  JEPS83239  Lupinus truncatus W. L. Jepson 1935-4-21 17156 Riverside Aguanga; near branch rd. to Pines 603 Comment
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Dec 14 2011
  UCR199629  Lupinus truncatus Scott D. White 2004-4-26 10253 Riverside San Jacinto Mountain Foothills, Soboba Indian Reservation, Indian Creek Watershed 671 Comment
  UCR225213  Lupinus truncatus T. B. Salvato, Matt Malle, Tim Searl 2011-4-19 5165 Riverside Peninsular Range; Gavilan Hills, Alberhill, unpaved extension of Lake Street, 1.5 km NNE of the intersection of Lake Street and Hwy 15 473 Comment
  UCR96708  Lupinus truncatus A. C. Sanders 1997-3-1 19717 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  UC1106403  Luzula comosa var. laxa Peter Kamb 1948-7-3 1153 Riverside Hall Canyon, San Jacinto Mountains 1645 Comment
  CAS-BOT-BC231424  Lycium andersonii Carl B. Wolf 1932-4-28 3087 Riverside Eastern Colorado Desert. S. W edge of Maria Mts. 10 mi. from Blythe on Rice Road 152 Comment
  JOTR37744  Lycium andersonii Hodges, Stephen R., Aliya Ingersoll 2016-2-24 658 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Upper Long Canyon Comment
  POM13044  Lycium andersonii Philip A. Munz, D. D. Keck 1922-4-9 4850 Riverside Vicinity of Corn Springs, Chuckwalla Mtns. Colorado Desert. 427 Comment
  UCR49191  Lycium brevipes A. C. Sanders 1985-12-22 5961 Riverside Sonoran (Colorado) Desert, Coachella Valley at old Indian fish traps, E end of Ave. 66 at Jackson Street 0 Comment
  RSA0054924  Lycium cooperi W. Marquart 1938-3-12 s.n. Riverside Mule Mts. South of Chuckawalla Range. Comment
  RSA535484  Lythrum californicum Steve Boyd, Tim Ross, Orlando Mistretta 1992-2-2 6632 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Upper San Mateo Canyon between confluence of Tenaja Canyon and Los Alamos Canyon. Comment
  UCR178158  Lythrum californicum John F. Green, M. D. Wilcox 2003-7-15 s.n. Riverside San Jacinto Mtns., on powerline trail, picnic area at Juan Diego Flats, NW of Cahuilla Mountain 1220 Comment
  UCR201017  Machaeranthera asteroides var. asteroides Scott D. White, Justin M. Wood 2008-9-17 12540 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland, 1/4 mile S of Ethanac Rd, between San Jacinto Rd and Palomar Rd, just S of railroad tracks 448 Comment
  UCR34935  Machaeranthera canescens subsp. ziegleri L. B. Ziegler 1968-9-15 335 Riverside Santa Rosa Mtns, Santa Rosa Peak 2470 Comment
  RSA50570  Machaeranthera canescens var. ziegleri E. C. Jaeger 1949-7-25 s.n. Riverside Summit, Santa Rosa Mountains 2470 Comment
  RSA781414  Machaeranthera pinnatifida subsp. gooddingii Duncan S. Bell 2011-10-22 2994 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  UCR104173  Malacothamnus fasciculatus Scott D. White 1997-5-25 5249 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
  UCR41341  Malacothamnus fasciculatus N. M. Fellows 1984-3-20 2 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Oasis de Los Osos Preserve, off Snow Creek Canyon at the north foot of the San Jacinto Mtns, 1 mi west of Snow Creek Village 488 Comment
  SEINET7048218  Malacothamnus fasciculatus var. fasciculatus Steven R. Hill, Andrew C. Sanders 2001-5-4 33731 Riverside Santa Rosa Plateau, Carancho Road, west side of De Luz Creek valley descending plateau, downslope from 'cut flower' farm. Fallbrook 7.5' quad. About 1370 feet northeast of San Diego county line. Elevation about 610 feet. Comment
  UCR20727  Malacothrix clevelandii A. C. Sanders 1980-5-14 153 Riverside Peninsular Range, south side of Hwy 79, 0.8 mi SE of Radec 559 Comment
  GMDRC9809  Malacothrix glabrata J. M. Andre 2017-3-1 38030 Riverside Chuckwalla Bench: along Red Cloud Rd, 2.5 mi. SSE of junction Interstate 10, between Orocopia and Chuckwalla Mtns 473 Comment
  RSA559923  Malacothrix glabrata Steve Boyd, Carol Boyd, K. A. Boyd 1992-4-19 6912 Riverside N end of the Granite Mtns on sandy bajada along powerline road near jtn of Hwy 177 and Hwy 62. Area of transition between Mojave and Colorado Deserts. Comment
  RSA570724  Malacothrix saxatilis var. tenuifolia Steve Boyd, Timothy S. Ross, J. Travis Columbus 1993-10-23 8191 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, upper Morrell Canyon along Morgan Trail (5W02). 878 Comment
  SD137859  Malacothrix saxatilis var. tenuifolia Darin L. Banks, Victor Steinmann 1995-7-10 743 Riverside Northwest Palomar Mountains; Agua Tiobia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. 559 Comment
  RSA755271  Malva parviflora Stephen 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 E of Banning. 560 Comment
  RSA629026  Malva pseudolavatera Scott D. White 1998-6-28 6800 Riverside Corona: River Road bridge over the Santa Ana River. 160 Comment
  POM13095  Mammillaria tetrancistra P. A. Munz 1921-12-31 5012 Riverside Andreas Canyon, Palm Springs. Comment
  OBI74465  Marah macrocarpa David J. Keil 1983-4-15 16902 Riverside E of Temecula on SR 79 Comment
  RSA652413  Marah macrocarpa Douglas A. Springer 1981-2-16 9 Riverside 3.9 miles NW of California State Hwy. 74 on Santa Rosa Rd. approx. 5 miles from Perris. Comment
  UC2015595  Marah macrocarpa Scott D. White 1996-3-16 3830 Riverside Perris Basin, Lakeview Mts., N of Winchester, at Maze Stone Picnic Area. Comment
  UCR116910  Marah macrocarpa A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23962 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  UCR117075  Marah macrocarpa A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24218 Riverside Perris-Aguanga Basin region, Hemet, SE of intersection of State Street and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley, 1 mi. SSW of Hemet Butte 513 Comment
  UCR178578  Marah macrocarpa R. G. Swinney 1967-2-11 0032 Riverside San Jacinto Mtns./ Sonoran (Colorado) Desert, Snow Creek 366 Comment
  UC1419866  Marina orcuttii Jan Zabriskie 1976-6-1 849 Riverside near Horsethief Creek (Cactus Spring trail, Boyd Deep Canyon Desert Research Center, University of California); Santa Rosa Mts. 1127 Comment
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Mar 20 2011
  POM307224  Marina parryi Henry J. Ramsey, Henry J. Ramsey 1940-4-14 1997 Riverside Colorado Desert, north of Blythe. Comment
  UC1368530  Marina parryi W. L. Jepson 1912-10-29 5248 Riverside Blythe Intake, at Black Point, Palo Verde Valley, on edge of Riverside Mts. Riverside Mts., Palo Verde Valley 88 Comment
  UCR167689  Marrubium vulgare T. B. Salvato, Melissa Clemons 2005-6-23 1288 Riverside Peninsular Range; Temescal Valley, Alberhill, intersection of Lake Street and Walker Canyon Drive, N of Hwy I-15, at base of Walker Canyon 378 Comment
  UCR266328  Marsilea vestita D. E. Bramlet 1991-6-15 2192 Riverside Perris-Aguanga Basin Region, bed of San Jacinto River at MWD maintenance road crossing, 3865 ft. south of Ramona Expressway, 4055 ft. east of Pozos Ave., & 1977 ft. SE of Lakeview Hot Springs 433 Comment
  CAS-BOT-BC348270  Matricaria occidentalis A. C. Sanders; Mitch Provance; T. B. Salvato 2001-5-8 24198 Riverside Perris-Aguanga Basin region: S of Hemet, E end of Diamond Valley, ca. 1/4 mi. N of Newport Rd. and 3/4 mi. E of State St. 506 Comment
  SD186095  Matricaria occidentalis A. C. Sanders 2003-5-9 26580 Riverside West of Hemet, west edge of Warren Road, just north of Highway 74. 456 Comment
  RSA206501  Meconella denticulata E. W. Lathrop 1969-5-8 7021 Riverside Los Alamos Canyon near junction of San Mateo Canyon, Clevland National Forest, Trabuco district 518 Comment
  RSA585793  Meconella denticulata D. L. Banks, S. D. Boyd 1995-5-9 420 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, W of the Dripping Springs Alcove, W of Woodchuck Campground. 710 Comment
  SEINET13203029 Image available Medicago truncatula Walter Graves 1996-1 5971 Riverside Riverside, cultivated at UCR agricultural operations fields (Riverside East 7.5' Q.) 366 Comment
  RSA782810  Melica frutescens A. C. Sanders, Nathan Moorhatch 2011-3-22 38765 Riverside Powerline corridor through hills 6.4 km SW of Perris, east of Hwy 74 and south of Ethanac Rd. 473 Comment
  UCD66801  Melica frutescens F. M. Reed 1920-5-10 4490 Riverside Colorado Desert, Murray Canyon. 457 Comment
  CAS-BOT-BC281598  Melica imperfecta H. M. Hall 1899-5-21 1134 a Riverside San Jacinto Mts 1676 Comment
  CLARK-A1528-75  Melica imperfecta C. M. Flanagan 1973-5-31 OO 650 Riverside Morongo Indian Reservation 975 Comment
  RSA683857  Melica imperfecta Scott D. White, Michael Honer 2003-4-4 8942 Riverside Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  SD237270  Melica imperfecta A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-4-2 37748 Riverside Peninsular Range: Alberhill, south foot of the Gavilan Hills at Temescal Canyon, north of I-15 and Concordia Ranch Rd. 1.65 mi. ESE of Corona Lake, .5 mi, NE of Temescal Canyon Rd. where it goes under I-15. 404 Comment
  UC1537222  Melica imperfecta Gordon H. True Jr. 1935-3-14 106 Riverside Gavilan Hills 609 Comment
  UCD88006  Melica imperfecta Peter H. Raven 1958-5-5 12879 Riverside Jumbo Rocks Camp Ground, Joshua Tree National Monument. Comment
  SDSU13598  Melilotus indicus W. Miller 1972-8-10 Riverside Comment
  POM10382  Mentzelia affinis Charlotte M. Wilder 1906-05 7 Riverside Salt Lake fill [Salt Lake RR Bridge over Santa Ana River, Riverside] Comment
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Sep 4 2011
  RSA69690  Mentzelia desertorum F. W. Peirson 1922-4-12 751 Riverside along boulevard, 18 mi. southeast of Coachella. Comment
  UCR68873  Mentzelia dispersa Steve Boyd, T. S. Ross 1990-5-11 4706 Riverside Vail Lake area, Cleveland National Forest, N flank and summit of Wild Horse Peak, Agua Tibia Mtns 999 Comment
  JEPS42807  Mentzelia involucrata W. L. Jepson and W. C. Mathews 1914-5-18 6009 Riverside n Indio (Pinon Well to County Well) 457 Comment
  RSA253718  Mentzelia involucrata Noel Holmgren, Patricia K. Holmgren, Ruth E. Kern 1973-3-21 6428 Riverside Big Maria Mountains, 12 air miles north of downtown Blythe. 290 Comment
  RSA735395  Mentzelia involucrata Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11219 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  SD103945  Mentzelia involucrata J. L. S. Simpson 1968-3-19 Riverside Graham Pass Comment
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Aug 28 2016
  UCR103553  Mentzelia involucrata George K. Helmkamp, E. A. Helmkamp 1998-1-17 2538 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road ENE of Mecca and on the north side of the Coachella Canal .3 Comment
  UCR226727  Mentzelia involucrata Jim Andre 2011-2-9 15912 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
  UCR88536  Mentzelia involucrata A. C. Sanders 1995-4-13 16497 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Devil's Garden, E end of the mtns., 2.1 mi west of Hwy 62 on Pierson Avenue and dirt extension, 1.7 mi above Sierra Blvd. 793 Comment
  UCSB4215  Mentzelia involucrata Hurd, Richard 1956-4-14 Riverside Road to Devil's Garden; 3 miles from Highway 99 Comment
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Nov 23 2014
  RSA0123778  Mentzelia jonesii Duncan S. Bell, LeRoy Gross 2016-3-10 8875 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; northwestern section of the range; collecting approximately 1.75 air miles northwest of the summit area. 938 Comment
  UCR35317  Mentzelia laevicaulis L. B. Ziegler 1967-10-4 253 Riverside San Jacinto Mtns., San Jacinto Mtns. 915 Comment
  JEPS20787  Mentzelia longiloba Roxana S. Ferris and Rimo Bacigalupi March 19-25, 1958 13231 Riverside 2.4 mi S of Rice, on road to Midland and Blythe. Comment
  UCR16334  Mentzelia micrantha I. G. Rauch 1968-5-14 s.n. Riverside Santa Ana Mtns, Tin Mine Canyon Comment
  UCR48410  Mentzelia veatchiana Steve Boyd 1986-4-20 1722 Riverside Gavilan Plateau, Gavilan Hills: Santa Rosa Road just west of Piedras Road Comment
  UCR57140  Micropus californicus var. californicus Jeri Hirshberg 1989-4-18 s.n. Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, south of town of Murrieta, south of Mesa de Burro and NW of Mesa de la Punta 610 Comment
  CAS-BOT-BC322628  Microseris douglasii subsp. platycarpha Scott D. White 1996-4-14 3895 Riverside Near Perris Airport ca. 100 m N of Cse Road and 100 m W of San Jacinto River Channel, Perris Area, Perris Basin 432 Comment
  UCR112793  Microseris heterocarpa A. C. Sanders 1997-5-1 20626 Riverside Lake Skinner area, along horse trail in southern part of Lake Skinner Park, west of Tucalota Hills and east of Warren Rd. 488 Comment
  UCR180393  Microseris heterocarpa Mitch Provance 2003-4-26 9898 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
  RSA180438  Microseris lindleyi E. W. Lathrop 1965-5-9 5720 Riverside 6 miles W of Murrieta. Comment
  RSA543763  Microseris lindleyi Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6063 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
  SD51957  Mimetanthe pilosa Reid Moran 1962-7-7 9859 Riverside by Strawberry Creek, 2 miles SW of Idyllwild, San Jacinto Mts. 1550 Comment
  POM10950  Mimulus androsaceus I. M. Johnston 1922-5-20 5476 Riverside Kenworthy, Thomas Valley. 1463 Comment
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Mar 25 2011
  RSA523838  Mimulus aurantiacus var. puniceus Gordon H. True Jr. 1935-3-1 40 Riverside Gavilan Hills. 457 Comment
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Apr 3 2011
  UC1537442  Mimulus aurantiacus var. puniceus Gordon H. True Jr. 1935-3-1 40 Riverside Gavilan Hills 457 Comment
  UCR90980  Mimulus aurantiacus var. puniceus Scott D. White 1996-3-16 3822 Riverside Perris Basin, Lakeview Mtns, north of Winchester, at 'Maze Stone' Picnic Site 610 Comment
  SEINET3079984 Image available Mimulus bigelovii Barbara Gayle Pitzer 1998-1-24 3393 Riverside Sonoran (Colorado) Desert; N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  JEPS16175  Mimulus bigelovii var. bigelovii Rimo Bacigalupi with R. S. Ferris and R. W. Holm 1953-4-20 4041 Riverside 3 mi n Shavers Summit (close to head of Lost Palms Canyon); Joshua Tree National Monument 762 Comment
  UC886099  Mimulus bigelovii var. bigelovii Carl B. Wolf 1932-4-27 3055 Riverside 5 mi e Desert Center (n base of mts.); Colorado Desert, Chuckwalla Mts. 152 Comment
  RSA523532  Mimulus brevipes Steve Boyd, Tim S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3991 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UC310840  Mimulus brevipes Philip A. Munz 1925-5-20 9821 Riverside 2 mi w Dripping Spring 426 Comment
  UC672455  Mimulus brevipes H. L. Mason 1926-4-30 3121 Riverside Temecula to Pala (Pala Grade); Temescal Canyon Comment
  UCR202240  Mimulus brevipes Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  UCSC000865  Mimulus cardinalis Peter Kamb 1948-7-11 1199 Riverside Hall Canyon, San Jacinto Mts. 1646 Comment
  UC943901  Mimulus clevelandii H. E. McMinn, M. Van Rensselaer 1945-6-7 1898 Riverside head Indian Canyon Truck Trail (crest of mts., boundary of Riverside and Orange counties); Santa Ana Mts. 1235 Comment
  RSA450075  Mimulus floribundus J. C. Roos 1952-4-29 5595 Riverside Pigeon, Box Springs Mts. 457 Comment
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May 21 2011
  HSC85392  Mimulus fremontii Steve Boyd 1986-4-19 1698 Riverside Temescal Canyon, E side of Indian wash between I-15 and Temescal Canyon Rd. Comment
  JOTR32394  Mimulus guttatus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2498 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
  UC454795  Mimulus guttatus I. J. Condit 1910-6-22 Riverside San Jacinto Mt. 2438 Comment
  CSUSB912  Mimulus longiflorus Steve Kulju 1974-4-27 Riverside Box Springs Mountains Box Springs Mountains; dirt road to the radio tower, 4 miles from Pigeon Pass Road. 761 Comment
  UCR275277  Mimulus pilosus T. B. Salvato, Gregg Miller 2005-6-7 1457 Riverside Peninsular Range, Gavilan Hills, Lindell (Stovepipe) Road north of Snake Road, c. 4.5 miles north-northwest of Lake Elsinore 640 Comment
  RSA787123  Mimulus puniceus Robert F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49559 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons. Comment
  POM121903  Minuartia douglasii Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  JOTR16749  Mirabilis bigelovii var. bigelovii Dengler, A. 1966-5-31 116 Riverside Joshua Tree National Park. LOST HORSE VALLEY 1280 Comment
  UCR138825  Mirabilis californica D. L. Banks 1997-2-23 1306 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation, north of Pechanga Rd. and south of Anza Rd., just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire 460 Comment
  CAS-BOT-BC434676  Mirabilis laevis var. crassifolia A. C. Sanders; Mark Bibbo; Erin Bergman; Lance Woolley 2010-3-16 37468 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
  CAS-BOT-BC434689  Mirabilis laevis var. crassifolia Marian L. Campbell 1921-3-19 58 Riverside Banning to Palm Springs Comment
  HSC86981  Mirabilis laevis var. crassifolia B. Pitzer, A. C. Sanders 1987-4-21 500 Riverside Box Spring Mtns. near S radio towers 793 Comment
  CAS-BOT-BC434819  Mirabilis laevis var. retrorsa Ynez Whilton Winblad 1937-3-23 s.n. Riverside 29 Palms Canyon Comment
  PASA594  Mirabilis laevis var. retrorsa 1928-3-3 Riverside Hidden Springs, Colorado desert Comment
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Aug 27 2016
  JEPS9987  Mohavea confertiflora W. L. Jepson 1914-5-18 6015 Riverside w of Pinon Well (Region n of Indio, on road to County Well) Comment
  RSA450530  Mohavea confertiflora Barry A. Prigge 1988-2-21 7846 Riverside Colorado Desert, Orocopia Mountains: 2 miles W of Clemens Well. 229 Comment
  JEPS63328  Monardella breweri subsp. lanceolata Carl V. Meyer 1928-8-1 624 Riverside Saunder's Meadow San Jacinto Mts. Comment
  RSA401586B  Monardella lanceolata var. lanceolata N. C. Cooper 1947-4-5 2079 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  CLARK-A1528-1335  Monardella linoides John C. Roos 1946-9-14 3009 Riverside San Jacinto Mountains 1097 Comment
  JOTR30271  Monardella linoides subsp. linoides Leary, Pat, Cari Leary 1987-5-9 3813 Riverside Joshua Tree National Park. 1.0 km south of Jumbo rocks campground, T2S R9E sec20 [UTMs estimated, January 2010] Comment
  RSA0012217  Monardella linoides subsp. linoides Mark A. Elvin 2004-6-2 3497 Riverside Garner Valley, east of Hwy 74 between Fobes Ranch Rd. and Morris Ranch Rd. at base of foothills 1372 Comment
  HSC86859  Monardella nana K. Harper 1988-5-14 Riverside San Jacinto Mtns., lower 5 mi. of the graded dirt rd. from Hwy. 74 to Santa Rosa Mtn. Comment
  LA96097  Monardella nana Elizabeth McClintock; M. McClintock, D. Weiner 1941-7-11 102 Riverside Black Mountain Spring Comment
  SEINET10829421  Monardella nana subsp. arida A. Graff 1993-6-24 Graff 63 Riverside San Bernadino National Forest, Santa Rosa Mtn. .75 miles down Santa Rosa Mtn. Rd. (USNFS Rd. 7S02) from Santa Rosa Camp, on left side of road (heading back towards Hwy. 74). T7S,R5E,S29. 1 small clump, close to, but not under Quercus chrysolepis. Bare, gravelly road bank. Comment
  POM46857  Monardella nana subsp. tenuiflora Mary F. Spencer 1924-6-25 2374 Riverside Burntlands, north side of San Jacinto Mtns. Comment
  RSA67396  Monardella nana subsp. tenuiflora Verne Grant, Alva Grant 1951-7-22 16105 Riverside Dark Canyon campsite, N of Idyllwild, San Jacinto Mts 1768 Comment
  CLARK-A1528-5417  Monolepis nuttalliana John C. Roos 1952-5-21 5705 Riverside San Jacinto River 426 Comment
  CAS-BOT-BC349788  Monoptilon bellioides Roxana S. Ferris; Rimo Bacigalupi 1958-3-19 13238 Riverside Highway U. S. 95, 11.3 mi. N of Blythe Comment
  POM363575  Monoptilon bellioides E. A. McGregor 1964-3-24 s.n. Riverside Near Desert Center, Hwy 70 Comment
  RSA278963  Monoptilon bellioides B. A. Prigge, L. Martinez 1978-3-23 2410 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  RSA676035  Monoptilon bellioides Scott D. White 2001-4-12 8294 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
  UCD134635  Monoptilon bellioides C. L. Hitchcock 1966-3-20 24306 Riverside 20 miles N of Ogilby, along road to Blythe. Comment
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Mar 1 2014
  UCR30075  Monoptilon bellioides George K. Helmkamp 1983-4-5 483- 22 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  UC219067  Montia fontana P. A. Munz and I. M. Johnston 1922-5-21 5521 Riverside San Jacinto Mountains, Hemet Valley Hemet Valley; San Jacinto Mountains, Hemet Valley 1386 Comment
  RSA0086966  Muhlenbergia californica H. de Forest, Jack Rempel 1933-10-29 s.n. Riverside Snow Creek Canyon, San Bernardino Mts. Comment
  UCR252601  Muhlenbergia microsperma T. B. Salvato, Matthew Malle 2013-4-4 7502 Riverside Perris-Aguanga Basin, Sedco Hills, Crab Hollow Circle between Lost Road and Lake View Drive 588 Comment
  SEINET10599994  Muhlenbergia microsperma Steve Boyd, Timothy S. Ross; Laurel Arnseth; Jaime Bonilla, Barbosa 1990-4-3 Boyd 4101 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of "Big" Oak Mtn., just S of the E summit. T8S R1W S3 N1/2. Clay soil on Gabbro. Coastal sage scrub, chaparral on slopes, grassy flats. 610 Comment
  RSA0078488  Muhlenbergia porteri Sarah J. De Groot, Duncan S. Bell 2015-9-21 7587 Riverside Santa Rosa Mountains south-southwest of Palm Desert. Along Carrizo Road just north of Highway 74. 1053 Comment
  RSA0104440  Muhlenbergia porteri Duncan S. Bell, Evan Meyer 2014-10-28 7668 A Riverside Orocopia Mountains; northwest section of range; approximately 1.8 air miles northwest of the summit of Orocopia Mountain. 936 Comment
  SEINET13310630  Muhlenbergia porteri A. C. Sanders 2015-9-11 41869 Riverside Sonoran (Colorado) Desert: Bradshaw Trail at border of Chocolate Mountains Aerial Gunnery Range, 2.25 miles east of GAsline Rd. 646 Comment
  UCR163817  Muhlenbergia rigens John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, 1 mile N of Squaw Mountain, 1.6 mi. NE of Tenaja Guard Station 716 Comment
  UCR162285  Muilla maritima 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
  RSA67110  Myosurus minimus subsp. apus F. W. Peirson 1922-5-19 4171 Riverside Menifee Valley Comment
  UC854358  Myosurus minimus subsp. apus P. A. Munz, I. M. Johnston 1922-5-19 5379 Riverside Menifee Valley 411 Comment
  SD80145  Myriopteris covillei Nancy Ryan Zabriskie, Walter Zabriskie 1971-3-7 355 Riverside Andreas Canyon, ca 50 feet above stream opposite juncture with North Canyon, east slope of San Jacinto Mountains Comment
  SD181815  Myriopteris newberryi Scott D. White, Tasha La Doux 2000-4-20 7676 Riverside Gibbel Flat in the Santa Rosa Hills. 609 Comment
  RSA346261  Nama demissa Robert F. Thorne, C. W. Tilforth, L. M. Shultz, Elbert Benjamine, J. Hogge 1980-4-16 54047 Riverside Along Whitewater River, E of bridge and levee. Comment
  RSA357786  Nama demissa Robert F. Thorne, M. Z. Thorne 1973-3-30 42678 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  RSA550356  Nama demissa Walter Wisura 1992-3-24 4632 Riverside 13.1 miles NE of Mecca on Box Canyon Road. Comment
  UCR41552  Nama demissa A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6102 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  RSA757633  Nama demissa var. demissa LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4321 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
  CSUSB114  Nama demissum var. demissum Kirby W. Brown 1966-3-10 Riverside 3.7 miles east of 1000 Palms. 60 Comment
  RSA517933  Nama hispida var. spathulata Steve Boyd, Orlando Mistretta 1986-3-13 1406 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
  CAS-BOT-BC219361  Nama stenocarpa A. C. Sanders; D. Bramlet; Mihai Costea; T. Salvato 1999-10-15 23173 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. S of Eden Hot Spr. 433 Comment
  RSA192228  Nassella cernua E. W. Lathrop 1960-6-8 4939 a Riverside 14 miles west of Murrieta Comment
  UCD88096  Nassella cernua Elizabeth Wilson 1940-4-2 s.n. Riverside Riverside Counrty: Riverside. South Banning, road to Palm Springs. Comment
  CDA2256  Nassella tenuissima R. E. Riefner Jr. 2007-5-26 07 -216 Riverside City of Lake Elsinore, along I-15 north near Main Street. Comment
  SEINET3523241 Image available Nasturtium officinale Diane L. Ill 1985-5-12 40 Riverside Gavilan Hills, Hartford Springs, 1.6 miles south of Cajalco Road on Gavilan Road. Right side of road along Spring. Comment
  RSA557348  Navarretia fossalis Julie Greene 1993-5-12 1299 Riverside San Jacinto Wildlife Area; south of gated W-E road, east of Davis Road. 433 Comment
  UCR189559  Navarretia fossalis Diane Menuz 2006-5-9 077 Riverside Peninsular Range, Perris Basin, San Jacinto Wildlife Area, across the street from main headquarters and information booth 432 Comment
  UCR25246  Navarretia fossalis John C. Roos 1952-5-28 5729 Riverside Perris-Aguanga Basin region, San Jacinto River bottomland 1 mile southeast of Perris 427 Comment
  UCR85584  Navarretia fossalis Julie A. Greene 1993-4-30 1246 Riverside San Jacinto Valley, San Jacinto Wildlife Area, south of visitors center, by waterfowl kiosk, east of Davis Road 433 Comment
  CAS-BOT-BC230295  Navarretia fossalis R. F. Hoover 1968-6-6 11152 Riverside 1 mile E of Perris Comment
  SD87635  Navarretia intertexta Frank W. Peirson 1922-5-19 4141 Riverside Five miles northeast of Murrieta on road to Perris Comment
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Nov 19 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
  SEINET10458394  Nemacladus longiflorus Boyd 1986-4-22 BOYD 1753 Riverside Temescal Canyon: Alluvial benches of Indian wash just south of Interstate 15 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
  SEINET3815124 Image available Nemacladus ramosissimus Rimo Bacigalupi, G. T. Robbins 1954-5-16 4473 Riverside Near summit of grade along State Hwy 79, 3/4 mile south of Sage 762 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
  CAS-BOT-BC416316  Nemacladus tenuis var. tenuis A. C. Sanders; K. C. Rose 1995-4-27 16731 Riverside Sonoran (Colorado) Desert: Coachella Valley, foot of the Little San Bernardino Mtns., canyon E of Fan Hill, just outside Joshua Tree Nat. Park 548 Comment
  OBI42757  Nemophila menziesii Roberta H. Smith 1969-4-12 2 Riverside Box Springs mts, NW slope of hill, SE of UCR 366 Comment
  POM13005  Nemophila menziesii P. A. Munz, D. M. Johnston 1922-5-19 5426 Riverside Keen Canyon, San Jacinto Mountains. 1524 Comment
  RSA523372  Nemophila menziesii G. H. True 1935-2-22 11 Riverside Mockingbird Canyon. 457 Comment
  UCR122527  Nemophila menziesii George K. Helmkamp, E. A. Helmkamp 2001-5-20 6665 Riverside San Jacinto Mtns., 0.3 mi NW of Keen Camp Summit along CA-74 1494 Comment
  UCR250193  Nemophila menziesii A. C. Sanders 2014-4-8 40986 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 0.35 km NW of El Hermano Rd., c. 0.95 km SE of I-15 crossing 315 Comment
  UCR96702  Nemophila menziesii A. C. Sanders 1997-3-1 19724 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  UCR97676  Nemophila menziesii A. C. Sanders, G. Helmkamp 1997-3-15 19945 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 488 Comment
  RSA0105076  Nemophila menziesii var. menziesii Daphne K. Christopher, Hannah Stevens 2003-4-4 97 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 536 Comment
  RSA770860  Nemophila menziesii var. menziesii Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4928 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 823 Comment
  SBBG64770  Nemophila menziesii var. menziesii M. N. Ackley -Mar-1922 391 Riverside Murrieta Hot Springs 398 Comment
  RSA426680  Nicotiana bigelovii var. wallacei Jeannette B. Edge 1934-3-25 18929 Riverside Jurupa Mountains. 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
  RSA0018756  Nicotiana obtusifolia Anstruther Davidson 1893-4-10 1936 Riverside Palm Springs. Comment
  RSA0042856  Nicotiana obtusifolia Duncan S. Bell, LeRoy Gross 2014-3-20 6272 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  RSA0018751  Nicotiana obtusifolia P. J. Remple 1942-3-2 s.n. Riverside Dead Indian Creek, Santa Rosa Mtns. Comment
  RSA5582  Nolina bigelovii Carl B. Wolf 1932-10-13 4315 Riverside 0.5 mile before reaching Cottonwood Springs, Eagle Mountains, Colorado Desert 290 Comment
  POM212346  Nolina parryi Carl B. Wolf 1931-5-11 s.n. Riverside Near Pipe Creek, above Hemet Valley, San Jacinto Mountains. 1677 Comment
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Mar 24 2011
  UC63871  Nolina parryi H. M. Hall May 17 1901-Jun 1 1901 1819 Riverside se base San Jacinto Mt. 1402 Comment
  RSA314458  Notholaena californica subsp. leucophylla R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55467 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  LA206122  Oenothera avita subsp. avita A. W. Haupt; April 1926 sn Riverside Palm Springs Comment
  UCR14367  Oenothera bistorta Steven Wickler 1974-4-21 003 Riverside San Jacinto Valley, immediately off of Hemet-San Jacinto offramp, U.S. Hwy 60, 8 mi. east of Riverside 518 Comment
  CLARK-A1528-669  Oenothera californica Becky Alejandre 1970-5-7 Riverside Riverside 408 Comment
  POM355283  Oenothera californica D. A. Young 1969-3-28 P- 330 Riverside On Interstate Hwy 10, 6 mi E of Desert Center, at rest stop; N side of hwy. 305 Comment
  JOTR34271  Oenothera californica subsp. avita La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3287 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Sandy, narrow canyon at base of Quail Mountain with bouldery/rocky slopes; North end of Juniper Flats (Stop 3) Comment
  RSA18955  Oenothera californica subsp. californica Roxana S. Ferris, Ruth P. Rossbach 1938-5-20 9666 Riverside Between Riverside and Ontario. Comment
  UCD106846  Oenothera deltoides Dan Axelrod 1932-3-23 s.n. Riverside Palm Springs. Comment
  UCR35218  Oenothera elata L. B. Ziegler 1967-11-7 260 Riverside San Jacinto Mtns., Poppet Flats area 1070 Comment
  UCR198169  Oenothera primiveris subsp. bufonis Michael Honer, Theresa Miller 2005-3-11 2062 Riverside Northeastern Colorado Desert, Rice Valley, 4.5 mi south-southeast of Rice, 1.5 mi east of ATSF railway 220 Comment
  JOTR32019  Oligomeris linifolia La Doux, Tasha, T. Herskovits, M. Harding 2011-4-21 2249 Riverside Joshua Tree National Park. Pinto Basin, south of Sand Hill; wide, sandy wash draining into Pinto Wash (Stop 3) 476 Comment
  POM171281  Olneya tesota I. M. Johnston 1930-6-15 3786 Riverside Southeastern end of Eagle Mts. Comment
  CDA34502  Oncosiphon piluliferum Mike Lahti 2011-5-5 PDR# 1357877 Riverside Sun City: Alta Vista Nursery on Sherman Road, near McLaughlin Road. 0 Comment
  RSA0097547  Opuntia basilaris Marc A. Baker, Michelle Cloud-Hughes 2015-7-12 18413 Riverside San Gorgonio River, 2 km SW of Cabazon, 27 km WNW of central Palm Springs, 14 km WSW of the historical site of Whitewater. 513 Comment
  RSA744312  Opuntia basilaris var. basilaris Michael Wall 2009-4-3 500 Riverside On ranch property along Bautista Rd.ca. 4.1 miles ESE of jct. with Fairview Ave. Most clumps 20 to 30 ft. from road to the south of property driveway but some growing right along the dirt driveway., Three clumps observed growing not far off the road another 1600 ft to the south. 688 Comment
  POM83401  Opuntia echinocarpa J. W. Toumey 1895-04 s.n. Riverside Banning. Comment
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Mar 21 2011
  SD229121  Opuntia phaeacantha Dick Schwenkmeyer 2012-3-26 685 Riverside Mt. San Jacinto area: Lake Hemet (site #4), Highway 74, sloping hillside 1317 Comment
  CAS-BOT-BC56230  Opuntia polyacantha var. erinacea C. B. Wolf; P. C. Everett 1938-9-29 9459 Riverside Field redacted by CAS, contact the data manager for more information 1219 Comment
  UCR37410  Orcuttia californica Steve Boyd 1984-4-18 s.n. Riverside Skunk Hollow, 6 mi east of Murrieta, SW of the Lake Skinner dam. 457 Comment
  RSA0072123  Orobanche bulbosa Steve Boyd, Tim Ross, Dave Bramlet 1993-5-12 7308 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along Tenaja Road (7S01), 1.3 miles south of junction with Los Alamos Road (7S04). 426 Comment
  UC218255  Orobanche californica subsp. feudgei Philip A. Munz 1922-6-26 5827 Riverside South slopes Santa Rosa Mountains. Comment
  SBBG68733  Orobanche cooperi L. Rowntree 1930-5-8 Riverside Mecca Comment
  RSA0072129  Orobanche cooperi Robert F. Thorne, Avi Shmida, Robert Whittaker 1978-4-23 52060 Riverside Palms to Pines Highway. Comment
  RSA0084356  Orobanche cooperi subsp. cooperi Edmund C. Jaeger 1922-3-4 1108 Riverside Painted Canyon, near Mecca. Comment
  CDA42039  Orobanche fasciculata H. S. Gill 1969-6-24 s.n. Riverside H.A. Manchester property, Sun Town Trailer Park, Cathedral City. 0 Comment
  JEPS126153  Orobanche parishii subsp. parishii Mike Hamilton 2005-12-2 s.n. Riverside San Jacinto Mountains, UC Riverside James Preserve, near weather station Comment
  RSA0059162  Orobanche parishii subsp. parishii Noel Wallace 1938-06 BS. 562 Riverside Box Springs Mts., near Riverside. Comment
  RSA0030794  Orthocarpus purpurascens N. C. Cooper 1944-3-25 1000 Riverside Cabazon. 457 Comment
  RSA192065  Orthocarpus purpurascens E. W. Lathrop 1960-3-25 4686 Riverside 14 miles west of Murrieta. Comment
  RSA560836  Orthocarpus purpurascens Steve D. Boyd, Tim S. Ross 1992-5-4 7186 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  RSA503432  Orthocarpus purpurascens var. pallidus J. D. Olmsted 1962-5-10 3656 Riverside Flats, W of crest between Sandia and Deluz Creeks laong Murrieta to Deluz Rd. 206 Comment
  RSA501069  Orthocarpus purpurascens var. purpurascens Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-4-1 3187 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  UC64191  Osmorhiza brachypoda H. M. Hall 1898-4-9 886 Riverside Temescal Comment
  UC1929717  Oxalis californica Scott D. White 2003-3-21 8825 Riverside SANTA ANA MOUNTAIN FOOTHILLS: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. Comment
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May 28 2018
  POM157924  Oxytheca trilobata P. A. Munz 1927-5-21 10847 Riverside Head of San Carlos Pass, Anza. 1372 Comment
  CAS-BOT-BC327893  Palafoxia arida L. R. Abrams 1926-3-26 11028 Riverside Palm Springs Comment
  CAS-BOT-BC327922  Palafoxia arida G. B. Grant no date on sheet s.n. Riverside Colorado Desert Comment
  UCD134905  Palafoxia arida Shirley C. Tucker 1957-3-10 3956 Riverside desert 4 miles north of Needles. Comment
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Mar 23 2014
  RSA781995  Palafoxia arida var. arida Stephanie Rockwood, Christi Gabriel 2011-10-18 123 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 96 Comment
  UC403397  Palafoxia arida var. arida H. E. and S. T. Parks Feb. 1929 396 Riverside near and s Palm Springs Comment
  UCD170911  Parietaria hespera A. C. Sanders 2014-4-8 40973 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 280 m NE of the I-15 crossing, near mouth of Mayhew Canyon. 317 Comment
  UCR120970  Parkinsonia aculeata Jennie Phui 1998-6-3 300 Riverside Western Colorado Desert/San Jacinto Mtns., NW of Palm Springs, base of Mt. San Jacinto in Chino Cyn., 1.5 mi. above Hwy 111 on road to tram 520 Comment
  UCR132711  Parkinsonia aculeata A. C. Sanders, O. F. Clarke 1991-6-10 11124 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  UCR33712  Paspalum dilatatum Faulkner 1978-4-27 495 Riverside Sonoran (Colorado) Desert, 3 miles east of Blythe 137 Comment
  RSA644211  Pectis papposa var. papposa V. W. Steinmann 1999-10-26 1417 Riverside foothills of the Chuckwalla Mountains, open desert ca. 2 km south of Desert Center. 325 Comment
  UC1532788  Pectis papposa var. papposa Robert F. Thorne 1966-10-15 41795 Riverside at foot Palms to Pines Highway (near Palm Desert); Dead Indian Canyon Comment
  RSA788561  Pectocarya heterocarpa Duncan S. Bell 2012-3-8 3143 Riverside Southern section of the Mecca Hills; north side of the canal, approximately 4.75 air miles southeast of where Box Canyon Road crosses the Coachella Canal. 16 Comment
  UCR84650  Pectocarya linearis Scott D. White, S. Ogg 1994-4-21 1992 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  POM72175  Pectocarya linearis subsp. ferocula Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  RSA614655  Pectocarya penicillata A. C. Sanders 1997-3-1 19709 Riverside Box Springs Mtns: Coyote Hill (Bench Mark Versity , 1386ft) and ridge S and SE of the UCR Botanic Garden 427 Comment
  UCR171950  Pectocarya penicillata John F. Green 2006-4-18 s.n. Riverside NE of Murrieta, just south of Los Alamos Rd. ('Clinton Keith Rd.'), on E and W sides of Liberty Rd. border between City of Murrieta and unincorporated French Valley 415 Comment
  CAS-BOT-BC169712  Pectocarya peninsularis E. A. McGregor 1917-4-1 844 Riverside Between Coyote Wells and Cement Bridge Comment
  UCR148472  Pectocarya peninsularis 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
  RSA0125296  Pectocarya platycarpa Duncan S. Bell 2016-3-3 8782 Riverside Whitewater Canyon; San Gorgonio Wilderness area; Rainbow Canyon, approximately 3.5 air miles east northeast of Kitching Peak. 820 Comment
  JEPS30584  Pectocarya recurvata S. B. Parish 1920-3-25 20001 Riverside Colorado Desert, San Jacinto, Palm Springs Comment
  RSA0124824  Pectocarya recurvata Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8750 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
  RSA597414  Pectocarya recurvata L. C. Wheeler 1970-4-5 s.n. Riverside West of Desert Hot Springs, by old road to 29 Palms. Comment
  SEINET2042515 Image available Pectocarya recurvata A. C. Sanders 2001-3-20 23850 Riverside (Desert Hot Springs Quad 7.5') Coachella Valley, Garnet, N side of 19th Ave.; 0.5 mi (airline) NW of intersection of I-10 and Indian Ave. T3S R4E S15, center 235 Comment
  UCR213498  Pectocarya recurvata A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-18 38412 Riverside Peninsular Range, southeastern Gavilan Hills near Alberhill, north of Concordia Ranch Rd. and Black Powder Rd. 502 Comment
  UCR279377  Pectocarya recurvata A. C. Sanders, Jim Malusa 2017-3-24 42960 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  RSA77817  Pectocarya setosa F. W. Peirson 1921-3-21 4059 Riverside Gordon Trail from Andreas Canyon, east base of the San Jacinto Mtns. 1067 Comment
  CLARK-A1528-3592  Pellaea andromedifolia John C. Roos 1952-4-29 5597 Riverside Reche Canyon 457 Comment
  UCR170119  Pellaea andromedifolia Jeffrey Ross, Sam Lau, Jenny Phui 1998-5-31 121 Riverside San Bernardino Mtns. region, Morongo Indian Reservation; Lion Canyon 756 Comment
  UCR91428  Pellaea mucronata Scott D. White 1995-3-30 2651 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  IRVC3155  Pellaea mucronata var. californica R. H. Whittaker, W. A. Niering 1963-5-27 SJ 5 Riverside Mountain Center; Hemet Highway [74]; slope ESE 20 degrees; slightly concave. Peninsular Ranges, San Jacinto Mountains 1448 Comment
  RSA1664  Pellaea mucronata var. mucronata C. B. Wolf 1931-5-11 1958 Riverside Near Pipe Creek, above Hemet Valley, San Jacinto Mountains. 1677 Comment
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Mar 24 2011
  RSA747519  Pellaea mucronata var. mucronata Justin M. Wood 2009-3-10 341 Riverside Hwy 243, near base of the mountains, 0.5 miles up the highway from Smith Creek bridge. 695 Comment
  UC812405  Pellaea mucronata var. mucronata C. L. Hitchcock 1940-4-12 6043 Riverside 8 mi nw of Elsinore 457 Comment
  RSA0050332  Pennisetum setaceum Lynn Sweet, Chris E. True 2009-12-3 s.n. Riverside Peninsular Range/ Sonoran Desert; Santa Rosa Mtns.: UC Boyd Deep Canyon Reserve, center of wash in Deep Canyon. 335 Comment
  RSA678882  Pennisetum setaceum Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10451 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UC1930085  Pennisetum setaceum Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10451 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
  UC1930202  Pennisetum setaceum Scott D. White, Angelia Carey 2004-7-2 10576 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. Comment
  CLARK-A1045-115  Penstemon antirrhinoides George K. Helmkamp 1977-3-20 Riverside Pinyon Pines area above west edge of Deep Canyon; Palm Desert 15'Q Comment
  RSA285587  Penstemon centranthifolius D. C. Michener 1980-6-11 3672 Riverside Bautista canyon 7.1 mi. above jct (end) of Lower BAutista Canyon Rd. (5S14) and short road to CA 74. Comment
  SEINET3079731 Image available Penstemon centranthifolius J. Easton 1987-4-23 Riverside E of Anza along Hwy 371, Hamilton Creek Canyon. 1249 Comment
  UC54999 Image available Penstemon clevelandii H. M. Hall 1901-6-1 2149 Riverside along borders Colorado Desert; eastern base San Jacinto Mountains; near Van Deventers, San Jacinto Mts. Comment
  RSA295277  Penstemon clevelandii subsp. connatus R. S. Woglum 1937-5-22 544 Riverside Santa Rosa Mountains, Santa Rosa Mountain road and Hwy Palms to Pines Comment
  RSA0006116  Penstemon clevelandii subsp. mohavensis M. French Gilman 1926-5-9 A 2 Riverside Keyes [Keys] Ranch, southern edge of Mohave Desert. Comment
  SD186344  Penstemon grinnellii T. B. Salvato, John F. Green 2004-5-27 574 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 1341 Comment
  SD232337  Penstemon heterophyllus Scott D. White, Justin M. Wood 2009-5-21 12849 Riverside San Jacinto Mountains: McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  POM4262  Penstemon spectabilis H. M. Hall 1902-04 2923 Riverside Vicinity of Riverside 366 Comment
  RSA20208  Penstemon spectabilis Carl B. Wolf 1938-6-11 9417 Riverside Palms to Pines highway, 1.5 mi. W of junction to Anza 1220 Comment
  RSA709452  Penstemon spectabilis T. B. Salvato, John Green 2004-5-27 627 Riverside Head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp. 1402 Comment
  UCSB26820  Penstemon spectabilis Wilken, Dieter 1969-6-30 Riverside California State Highway 74, 0.5 miles west of Keen Camp Summit, San Jacinto Mtns. Comment
  LA203844  Pentachaeta aurea Robert G. Engman; sn Riverside San Jacinto Mountains Comment
  CAS-BOT-BC71579  Pentagramma triangularis subsp. maxonii Larry Kiefer 1963-3-24 483 Riverside Andreas Canyon 365 Comment
  LA204567  Peritoma arborea Harlan Lewis; 1935-4-7 Riverside Palm Springs 152 Comment
  CAS-BOT-BC77488  Peritoma arborea var. angustata B. D. Stark 1932-6-15 1524 Riverside Colorado Desert, Eagle Mts., above Utopia 228 Comment
  RSA709895  Perityle emoryi Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4596 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  RSA788979  Perityle emoryi Aaron C. Sedgwick, David Fraker 2012-3-28 27 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  UC831553  Perityle emoryi C. L. Hitchcock 1940-3-31 5893 Riverside between Cottonwood Spring and Pinto Basin Comment
  UCR75090  Perityle emoryi A. C. Sanders, E. J. Lawlor 1992-4-4 12101 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  RSA503355  Petalonyx thurberi S. J. Myers 1988-10-18 s.n. Riverside Garnet Hill, N of Palm Springs, between the Southern Pacific railroad tracks and Hwy 10, E one-third of Granet Hill, SE to Palm Drive 206 Comment
  UCR147738  Petalonyx thurberi Steve Boyd, Et al. 2004-5-14 11257 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
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Mar 19 2016
  RSA20298  Peucephyllum schottii Roxana S. Ferris, Ruth P. Rossbach 1938-5-16 9562 Riverside Mecca Hills 2 miles up Painted Canyon. Comment
  UCR251345  Peucephyllum schottii S. J. Myers 2014-5-21 1067 Riverside Western Edge Sonoran (Colorado) Desert, Whitewater, along Whitewater River at I-10 407 Comment
  UCR89865  Peucephyllum schottii George K. Helmkamp 1994-3-10 42 10 Riverside Sonoran (Colorado) Desert, Indio Hills, canyon opening into Coachella Valley, 2 miles east of Thousand Palms on Ramon Road, and 1.3 miles north 122 Comment
  RSA21752  Phacelia ambigua Carl B. Wolf 1937-4-6 8424 Riverside Coachella Valley, 2 mi. NE. of Edom 30 Comment
  RSA507479  Phacelia brachyloba Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mountains, along Hwy 243, 1-2 mi. below Mt. Edna turnoff. Comment
  SBBG65004  Phacelia campanularia E. C. Jaeger 1926-3-1 Riverside Whitewater Bench, Whitewater River Comment
  UCR60240  Phacelia campanularia R. F. Thorne, M. Z. Thorne 1973-3-30 42658 Riverside Sonoran (Colorado) Desert, Morongo Valley Canyon, near mouth at junction of roads to Morongo Valley and Desert Hot Springs; [vicinity of Hwy 62 crossing of Mission Creek] 488 Comment
  RSA0106605  Phacelia campanularia subsp. campanularia Robert F. Thorne 1995-3-29 63030 Riverside White Water Canyon. 600 Comment
  CAS-BOT-BC133954  Phacelia cicutaria Milo S. Baker 1928-4-3 3246 a Riverside Palm canon Comment
  RSA777275  Phacelia cicutaria var. hispida Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4746 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 W116.65121 604 Comment
  SFV5027  Phacelia crenulata 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
  RSA0031421  Phacelia crenulata var. ambigua Duncan S. Bell, Kim Clark, Bob Ellis, Pam McKay, Jim Pittman, Gene Ratcliff, Ed Schlegel, Felicia Sirchia 2013-2-24 4470 Riverside Orocopia Mountains; south end of range, north of the Coachella Canal, approximately 3 air miles northeast of Dos Palmas Springs. 182 Comment
  RSA0042167  Phacelia crenulata var. ambigua Duncan S. Bell, Evan Meyer 2014-4-2 6519 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  RSA795747  Phacelia crenulata var. ambigua Jim Andre 2012-3-19 21302 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
  UC648449  Phacelia crenulata var. ambigua Ira L. Wiggins 1937-3-9 8751 Riverside 1 mi below Chuckawalla Springs; Chuckawalla Mountains Comment
  UCR74370  Phacelia crenulata var. ambigua Theo Glenn 1991-5-30 91- 2 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  SD241052  Phacelia crenulata var. minutiflora Dave Silverman, Onkar Singh 2010-3-27 8056 Riverside North edge of Palo Verde Mesa, 150 m south of McCoy Wash, 5.3 km WSW of Mesaville Siding, and 6.1 km north of Blythe Airport. 136 Comment
  RSA593994  Phacelia distans D. L. Banks, E. H. Banks 1996-5-2 938 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, approximately 20 m inside the preserve boundary gate, 3 m E of the main road along a open field. 448 Comment
  SD95164  Phacelia distans Sally Bonnett 1973-4-21 35 Riverside Pinon Flats campground between San Jacinto and Santa Rosa mountains on Highway 74 Comment
  UC1563088  Phacelia distans Steve Boyd, B. Roy, T. S. Elias, S. Meury and S. Zona 1986-3-5 1356 Riverside Hwy 195 halfway between I-10 and Box Canyon (n base of mts.); Colorado Desert, Orocopia Mtns., Shavers Valley Comment
  UC881112  Phacelia fremontii K. Watkins and E. McClintock 1937-4-10 Riverside Palms-to-Pines Hwy near road to Shumay Comment
  CAS-BOT-BC145044  Phacelia keckii John Thomas Howell 1931-5-30 6611 Riverside Santiago Peak, Santa Ana Mts. 1219 Comment
  RSA522756  Phacelia minor Steve Boyd, Tim Ross, L. Arnseth 1990-3-29 3863 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  RSA134093  Phacelia mutabilis L. R. Heckard 1956-6-28 769 Riverside Between Tahquitz Valley and Little Tahquitz Valley. 2317 Comment
  UCR102930  Phacelia parryi George K. Helmkamp 1998-4-3 3063 Riverside Sonoran (Colorado) Desert, Whitewater River, bordering the north side of Hwy I-10; E side of the river 396 Comment
  UCR18163  Phacelia pediculoides A. C. Sanders 1978-3-11 00400 Riverside Sonoran (Colorado) Desert, Coachella Valley, Indian Wells, intersection of Bay Club Drive and Hwy 111 30 Comment
  UCR263717  Phacelia ramosissima Mark A. Elvin, Tricia Wotipka 2002-5-1 1965 Riverside South Coast Floristic Ecoregion, Badlands east of Riverside, 5 km southwest of Beaumont, southeast portion of La Borde Canyon 579 Comment
  JOTR36459  Phacelia rotundifolia La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3429 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; ridge top with steep, loose, rocky metamorphic siltstone slopes below (above Russi Rocks guzzler) (Stop 3) 538 Comment
  RSA286815  Phalaris caroliniana R. F. Thorne 1974-5-23 44663 Riverside Santa Rosa Plateau, Rancho California: Top of Mesa de Colorado, 624 Comment
  UCD89176  Phalaris minor John Thomas Howell 1960-3-24 35152 Riverside La Quinta. Comment
  UCR70826  Philadelphus microphyllus subsp. pumilus Percy C. Everett 1942-7-28 11294 Riverside San Jacinto Mtns, Several hundred yards below summit of Devil's Slide Trail (Trail to Mt. San Jacinto) 2439 Comment
  RSA469903  Phlox austromontana E. C. Jaeger 1922-6-29 s.n. Riverside Tahquitz Valley, San Jacinto Mountains 2073 Comment
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May 29 2011
  UC56539  Phlox austromontana H. M. Hall May 17 1901-Jun 1 1901 1912 Riverside Santa Rosa Peak Comment
  UC56540  Phlox austromontana H. M. Hall 1898-6-27 949 Riverside El Toro Peak San Jacinto Mts. Comment
  JOTR32531C  Phoenix dactylifera La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2540 Riverside Joshua Tree National Park. southwest Eagle Mountains; steep rocky drainage approx. 1.5mi east of Cottonwood Canyon and 1.5mi north of park boundary 815 Comment
  RSA459292  Pholistoma membranaceum E. Crow 1929-2-24 181 Riverside Andreas Canyon, S of Palm Springs, Colorado Desert. Comment
  SEINET7048050  Pholistoma membranaceum Steven R. Hill 2001-4-29 33525 Riverside Whitewater Canyon, east side of canyon, east of Whitewater Canyon Road, about 2 miles north of Route I-10. Elevation about 1800 feet. Comment
  HSC15915  Phoradendron bolleanum C. L. Hitchcock 1966-3-16 24200 Riverside Along Palms to Pines Hwy., 10 mi. S of Palm Desert Comment
  UCD105052  Phoradendron bolleanum T. Scott; A. Townesmith, K. M. Meyer 2007-3-18 136 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-BC135069  Phoradendron californicum Del Wiens 1953-12-5 872 Riverside near Junction of road from S end of Joshua Tree National Monument and US 60 and 70 152 Comment
  CAS-BOT-BC135070  Phoradendron californicum Del Wiens 1953-12-5 872 Riverside near Junction of road from S end of Joshua Tree National Monument and US 60 and 70 152 Comment
  OBI36173  Phoradendron californicum Faulkner 1978-3-21 351 Riverside 9 mi N of Blythe, Hwy 95 Saline flats 152 Comment
  RSA420766  Phoradendron californicum M. V. Hood 1944-4-7 s.n. Riverside Palms to Pines Hwy. Comment
  RSA420780  Phoradendron californicum Ora M. Clark 1929-3-17 1737 Riverside West of Indio. Comment
  RSA713978  Phoradendron californicum A. C. Sanders, J. Andre, P. J. MacKay, Tim Thomas 2005-2-26 29129 Riverside Sonoran (Colorado) Desert: SE of Hwy 117 towards dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  RSA793530  Phoradendron californicum Naomi S. Fraga, David Fraker, Tommy Stoughton 2012-3-15 3953 Riverside Off of Box Canyon Rd. S. of Shaver well in a wash. 229 Comment
  UC1039596  Phoradendron californicum H. L. Mason 1928-3-11 4233 Riverside desert flats near Indio Comment
  RSA588662  Phoradendron macrophyllum D. L. Banks, Steve D. Boyd 1995-10-17 823 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest; Dripping Springs Campground, campsite #9. Disturbed area around the campsite and campground roadway. 488 Comment
  CAS-BOT-BC141174  Phoradendron serotinum subsp. macrophyllum I. M. Johnston 1917-12-1 1810 Riverside Santa Ana River NW of Corona 182 Comment
  CAS-BOT-BC171151  Phoradendron serotinum subsp. tomentosum Lewis S. Rose 1946-1-3 46009 Riverside Palms to Pines Highway. Colorado Desert 1066 Comment
  POM13405  Phoradendron villosum E. C. Jaeger 1922-6-15 s.n. Riverside Palms to Pines Trail, on Quercus. 1982 Comment
  RSA682578  Phoradendron villosum George K. Helmkamp 1995-11-16 119 Riverside San Jacinto Mountains. along Hwy 243 at Lake Fulmor. [UTM 10km cell: NH-2E, 4N. Black Mtn.] 1616 Comment
  UCR239828  Phyllanthus O. F. Clarke 2007-10-15 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  HSC82761  Physalis crassifolia Christopher Davidson 1979-4-4 7676 Riverside Orocopia Mtns., lower end of Box Canyon on Box Canyon Rd., 4.4 mi. E of Mecca 213 Comment
  RSA423827  Physalis crassifolia E. C. Jaeger 1922-4-9 821 Riverside Chucawalla Well, Colorado Desert of California. 259 Comment
  RSA600123  Physalis crassifolia Louis C. Wheeler 1959-12-27 7640 Riverside Chuckwalla Mountains. White Cloud Mine. Comment
  UCR147741  Physalis crassifolia Steve Boyd, Tammy Morgan, Aydee Virgen, S. DeGroot, V. Arvizu, T. Thibault 2004-5-14 11216 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 549 Comment
  RSA0094753  Physaria tenella Jim M. Andre 2012-4-11 20800 Riverside Little San Bernardino Mountains; western margin of Eagle Mtns, along road to Cottonwood Spr (Utah Trail), 0.7 mi. north of Cottonwood Visitor Ctr. 956 Comment
  MACF014861  Pinus monophylla Dorothy L. Groninger 1964-12-5 21 Riverside Palms to Pines Highway 1219 Comment
  CDA18001  Pinus quadrifolia L. D. Merrill 1999-8-27 s.n. Riverside Burnt Valley Rd, Santa Rosa Mtns. 0 Comment
  UCSB41941  Pinus quadrifolia Ericson, Trudy 1974-11-9 Riverside St. 74 toward Palm Desert; about 4 1/2 mi. east of intersection with St. 71 1432 Comment
  RSA282946  Piptatherum miliaceum C. W. Tilforth 1980-3-30 1933 Riverside East fence line of Swan Lake Mobile Home Park, north of Norco, Mira Loma Comment
  CDA22276  Pipturus skottsbergii Carl Yonge 1962-11-2 Riverside Mrs. John Day property, 6582 Mitchell Street, Arlington. 0 Comment
  UCR174069  Pityrogramma triangularis A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32637 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
  RSA487453  Plagiobothrys canescens Bill Wagner 1988-3-9 s.n. Riverside Grain field at Benton Rd. and San Diego aqueduct, 1/2 mile E of Winchester Rd., NE of Murrieta. 412 Comment
  RSA715329  Plagiobothrys canescens John 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 Murietta and unincorporated French Valley. 415 Comment
  UC480644  Plagiobothrys canescens Philip A. Munz 1927-5-21 10833 Riverside Coahuila Valley 1219 Comment
  UCR116773  Plagiobothrys canescens A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23894 Riverside Perris-Aguanga Basin region, Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta 396 Comment
  UCR281250  Plagiobothrys canescens Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 36 Riverside Perris-Aguanga Basin, Menifee, SE corner of Musick Rd. and Murrieta Rd. 454 Comment
  POM3720  Plagiobothrys collinus var. californicus Robinson, Crocker 1916-4-3 s.n. Riverside Elsinore region. Comment
  UCR250567  Plagiobothrys collinus var. californicus A. C. Sanders 2014-4-25 41068 Riverside Peninsular Range, Temescal Canyon, Richland property between Horsethief Canyon Rd and Hostettler Rd., SW of I-15 392 Comment
  UCR267159  Plagiobothrys collinus var. californicus Mitch Provance, Matt Amalong 2015-3-25 315- 19 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
  RSA680493  Plagiobothrys collinus var. fulvescens Scott D. White, Michael Honer, Dylan Hannon 2003-6-24 9598 Riverside Mountains west of I-15 Freeway and immediately north of San Diego County boundary. 335 Comment
  UCR273791  Plagiobothrys collinus var. fulvescens Mitch Provance 2012-4-20 412- 26 Riverside San Timoteo Canyon, just southeast of the SCE El Casco Substation, on the south side of San Timoteo Canyon Rd./Oak Valley Parkway 643 Comment
  POM13234  Plagiobothrys collinus var. ursinus P. A. Munz, I. M. Johnston 1922-5-21 5514 Riverside 1/2 mile above Keen Camp, San Jacinto Mountains 1524 Comment
  UCR121788A  Plagiobothrys leptocladus A. C. Sanders, Carolyn Washburn 2001-4-17 24042 Riverside San Jacinto Valley, west edge of Hemet, SW corner of Florida Ave. (Hwy 74) and Warren Rd. 457 Comment
  UCR138141  Plagiobothrys tenellus D. L. Banks, V. W. Steinmann 1997-3-13 1447 Riverside NW Palomar Mtns, Agua Tibia Mtns: Redhawk Housing Development, north of the Pechanga Indian Reservation in the hills south of the intersection of Marge Place and Tehachapi Pass (S of Redhawk Parkway) 378 Comment
  UCR256776  Plantago lanceolata T. B. Salvato, Matthew Malle 2013-5-20 7582 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 Comment
  RSA335010  Plantago lanceolata Steve Boyd 1985-7-23 1000 Riverside 5 miles west of Rancho California at junction of Rancho California Road and De Luz Road. 427 Comment
  JEPS22513  Plantago ovata Rimo Bacigalupi with Paul Hutchison 1958-2-19 6196 Riverside 9.4 mi n Blythe (at w base of Big Maria Mts.); Big Maria Mts. 167 Comment
  JEPS7184  Plantago ovata Rimo Bacigalupi with G. T. Robbins and Keith Harrison 1952-4-2 3604 Riverside off Palms Canyon, at mouth of Andreas Canyon, lower slopes of Mount San Jacinto Mount San Jacinto, Andreas Canyon Comment
  JEPS85906  Plantago ovata Peter M. Ray 1949-3-6 1326 Riverside near 1000 Palms; Coachella Valley, Willis Palms Comment
  JOTR35035  Plantago ovata var. fastigiata La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3488 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
  RSA676150  Plantago ovata var. fastigiata Scott D. White 2001-4-12 8312 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
  CAS-BOT-BC93217  Platanus racemosa Herman Knoche 1919-6-1 594 Riverside Palm Springs. Comment
  POM9222  Platystemon californicus I. M. Johnston 1920-5-8 2268 Riverside Jurupa Mts, extreme west end. between Riverside and Ontario. Comment
  RSA678281  Platystemon californicus var. californicus Michael Wall 2003-4-26 300 Riverside South of Diamond Valley, Northeast of Skinner Reservoir, Rawson Canyon. Off Rawson Road, 2.7 miles from jct. with Washington Ave. off Winchester Rd. 564 Comment
  RSA747988  Pleurocoronis pluriseta Scott D. White, Justin M. Wood 2009-4-28 12601 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  CLARK-A1656-604  Pluchea sericea Jim Cornett 1977-7-10 Riverside Thousand Palms Canyon 137 Comment
  SEINET10801072  Pluchea sericea David B. Dunn, A. Folsom 1948-6-17 Dunn 3811 Riverside Above quad one. At camp in Pushawalla Canyon under palms. Comment
  CAS-BOT-BC242996  Poa secunda subsp. secunda Frank W. Gould 1944-4-5 2235 Riverside 17 miles E of Temecula on Highway 79 Comment
  CAS-BOT-BC167821  Polygala cornuta var. fishiae H. Baer 1923-6-1 s.n. Riverside Temecula [Canon] Canyon Comment
  RSA552688  Polygala cornuta var. fishiae Steve Boyd, Tim S. Ross, Olrando Mistretta 1992-2-26 6696 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  UCR138612  Polygala cornuta var. fishiae D. L. Banks 1996-11-7 1188 Riverside Agua Tibia Mountains, NW Palomar Mountains: Pechanga Indian Reservation, east of San Gabriel Church. At the end of the main road in the Reservation, c. 200 m NW of the spring on the N fork of Pechanga Creek, at the E end of the Reservation 457 Comment
  CLARK-A1528-3788  Polygonum lapathifolium Art Whistler 1966-5-18 8 Riverside University of California Comment
  RSA339614  Polygonum lapathifolium Robert F. Thorne, Kay L. Wright, Richard K. Benjamin 1982-10-8 55371 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  SEINET3130262  Polypogon monspeliensis W. B. Crockatt sn Riverside Prado 91 Comment
  CAS-BOT-BC102582  Populus fremontii Carl B. Wolf 1932-5-25 3679 Riverside No. base of San Jacinto Mts. Snow Creek Canyon. 1 mi. below Fish Hatchery 396 Comment
  CAS-BOT-BC102603  Populus fremontii Alice Eastwood 1919-3-15 7990 Riverside Indio Comment
  RSA770886  Populus fremontii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4589 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  CAS-BOT-BC356155  Porophyllum gracile Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring Comment
  PASA1571  Porophyllum gracile Margaret Stason April 1932 Riverside Few miles west of Blythe Comment
  UCR121171  Porophyllum gracile D. E. Bramlet 1989-5-20 1877 Riverside Bachelor Mtn., S-facing slope of mountain, 1,500 ft. (0.28 mi.) north of Lake Skinner and 3,000 ft. (~0.5 mi.) E [NE] of the Dam. 537 Comment
  UCR188151  Portulaca halimoides Robert J. Steers, Chris E. True 2007-10-3 s.n. Riverside Mojave Desert, Hidden Valley Campground, Joshua Tree National Park 1280 Comment
  UCR160449  Potamogeton T. W. Fisher, R. E. Orth 1964-6-25 s.n. Riverside San Jacinto Mtns., Lake Hemet near stream 1311 Comment
  JEPS396  Potamogeton diversifolius Carl V. Meyer 1928-7-27 567 Riverside Hidden Lake; San Jacinto Mountains 2651 Comment
  UCR202596  Potamogeton foliosus var. foliosus Scott D. White, Justin M. Wood 2008-7-9 12433 Riverside San Jacinto Mountains, K Flat, from large pond downstream to meadow 1463 Comment
  RSA286792  Potamogeton pusillus Robert F. Thorne 1974-5-23 44680 Riverside Santa Rosa Plateau, Rancho California; grassland area E of Redonda Mesa 610 Comment
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Apr 27 2011
  RSA0030748  Potentilla glandulosa subsp. hansenii Edmund C. Jaeger 1921-7-9 s.n. Riverside S. side Strawberry Valley. San Jacinto Mts. 1585 Comment
  RSA499238  Potentilla glandulosa subsp. nevadensis E. C. Jaeger 1921-6-23 729 Riverside Tacquitz Valley. 1982 Comment
  JEPS44217  Potentilla gracilis var. fastigiata W. L. Jepson 2297 Riverside Tauquitz Valley San Jacinto Mt., Tauquitz Valley 2286 Comment
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Apr 3 2011
  POM161553  Potentilla rimicola Ralph Hoffmann 1929-9-6 s.n. Riverside Tahquitz Valley, San Jacinto Mts. 2439 Comment
  CAS-BOT-BC216520  Prosopis pubescens Annetta Carter 1938-7-16 1430 Riverside 3 miles E of Blythe, Palo Verde Valley 76 Comment
  CLARK-A1528-4028  Prunus emarginata John C. Roos 1937-8-18 2410 Riverside San Jacinto Mountains Comment
  RSA453232  Prunus fasciculata Anstruther Davidson s.n. Riverside Colorado Desert. Comment
  SBBG3050  Prunus fasciculata var. fasciculata H. and M. Dearing 1949-4-17 6755 Riverside Morongo Cyn Comment
  RSA453240  Prunus fremontii Anstruther Davidson 1903-5-3 1843 Riverside Thermal. Comment
  SEINET7412894  Prunus virginiana var. demissa E. K. Balls 1949-5-4 13486 Riverside On road from Idyllwild to Banning, San Jacinto Mountains 1372 Comment
  CAS-BOT-BC356344  Psathyrotes ramosissima G. Helmkamp; E. Helmkamp 1998-1-17 2534 Riverside Box Canyon northeast of Mecca and 3.5 miles south of Shaver's Well 243 Comment
  CAS-BOT-BC356350  Psathyrotes ramosissima Beley; Larson 1975-4-24 1769 Riverside Near intersection of Varner Road and T/L approx. 5 mi. N. of Palm Springs Comment
  RSA5161  Psathyrotes ramosissima C. B. Wolf 1932-4-26 2972 Riverside 5 miles east of Mecca on Blythe Road, Colorado Desert 30 Comment
  RSA729920  Psathyrotes ramosissima R. F. Thorne 1966-10-15 41776 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway Comment
  UCR41231  Pseudognaphalium biolettii N. M. Fellows 1985-1-5 67 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
  SD137887  Pseudognaphalium californicum Darin L. Banks, Steve Boyd 1995-4-5 158 Riverside Cleveland NationaL Forest, Agua Tibia Wilderness Area, North slope of Agua Tibia Mountain, east of Dripping Springs Alcove, east of trail 550 Comment
  UCR268284  Pseudognaphalium californicum Jim Andre 2012-6-15 30510 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
  LA6325  Pseudotsuga macrocarpa Carl Epling; April 1937 sn Riverside San Jacinto Mountains, above Herley Creek Camp Comment
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Feb 23 2014
  SD146004  Psilocarphus brevissimus A. C. Sanders, K. C. Rose 1998-5-21 21855 Riverside Hemet; alkaline flats west of town, east of the canal, south of Highway 74 and ca. 0.25 west of Warren Road. 456 Comment
  CAS-BOT-BC361784  Psilocarphus brevissimus var. brevissimus Robert F. Thorne; P. A. Munz; L. Lathrop 1968-5-8 37579 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California 670 Comment
  RSA593908  Psilocarphus brevissimus var. brevissimus Steve Boyd, David E. Bramlet 1996-4-19 8600 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
  UCR85735  Psilocarphus brevissimus var. brevissimus Scott D. White 1993-4-30 1318 Riverside San Jacinto Valley, Near intersection of Warren Rd. and Stetson Ave. 458 Comment
  CLARK-A1528-518  Psoralea californica Charlotte Stocks 1962-6-10 Riverside San Jacinto Mountains Comment
  SBBG68078  Psorothamnus arborescens Anstruther Davidson 1895-1 Riverside Palm Springs Comment
  SEINET2063865 Image available Psorothamnus arborescens Richard G. Sullivan 1972-4-20 7204205 Riverside Whitewater River, 1.5 miles N of Interstate 10. 637 Comment
  UCR16205  Psorothamnus arborescens var. simplicifolius K. T. Ingram 1976-5-1 s.n. Riverside San Bernardino Mtns., Morongo Valley, 0.25 mi. south of intersection of Route 62 and Mission Creek Road. Comment
  CAS-BOT-BC353612  Psorothamnus emoryi S. B. Parish 1896-4-18 4112 Riverside Palm Springs, Colorado Desert Comment
  RSA0112104  Psorothamnus emoryi Duncan S. Bell 2009-10-9 487 Riverside Northwest of the Arica Mountains. 281 Comment
  RSA748290  Psorothamnus emoryi Justin M. Wood 2009-3-26 418 Riverside Thousand Palms, Ramon Rd., 1.4 miles E of Monterey Ave., just E of Edison substation. 61 Comment
  UCR166008  Psorothamnus emoryi 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-BC340876  Psorothamnus schottii Philip A. Munz 1937-5-29 15144 Riverside Dead Indian Creek, north base of Santa Rosa Mts. 457 Comment
  CAS-BOT-BC340910  Psorothamnus schottii H. M. Hall 1905-4-1 5781 Riverside Colorado Desert. 10 miles west of Coachella 152 Comment
  POM126307  Psorothamnus schottii Thomas Craig 1927-4-2 45 Riverside Hidden Springs Canyon; Colorado Desert. Comment
  UC447182  Psorothamnus schottii J. Ewan 1931-4-4 4157 Riverside Mouth of Shaver's Canyon above Mecca; Mouth of Shaver's Canyon above Mecca Comment
  CAS-BOT-BC340964  Psorothamnus spinosus Roxana S. Ferris 1918-6-14 973 Riverside Between Palm Springs and Indian Wells Comment
  RSA264433  Psorothamnus spinosus C. W. Tilforth, Jeff Barnes 1976-7-21 1219 Riverside Along Hwy 195 in large sandy wash, 15 miles NE of Mecca Comment
  RSA605773  Psorothamnus spinosus A. C. Sanders 1995-5-23 17119 Riverside Colorado Desert, Coachella Valley: alluvial fans below the Santa Rosa Mtns, near the mouth of Martinez Cyn., at end of 72nd Ave. 25 Comment
  UC52159  Psorothamnus spinosus E. E. Schellenger July 25 1903-Aug 14, 1903 2 Riverside Chuckawalla Bench, Colorado Desert Comment
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Aug 27 2016
  UCR241126  Pteridium aquilinum Tracy Tennant, Jeffrey Ross 1998-6-23 MOR- 500 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  CAS-BOT-BC362147  Pulicaria paludosa A. C. Sanders 2002-11-21 25640 Riverside Temescal Valley: development called Trilogy at Glen Ivy at the confluence of Bixby and Anderson Canyons 366 Comment
  UCR58875  Pulicaria paludosa J. M. Stewart 1989-10-20 620 Riverside Santa Rosa Mtns, Carrizo Creek Canyon, c. 1 mi south of Hwy 74 Comment
  RSA0082840  Pyrola minor P. A. Munz 1922-9-6 6395 Riverside Round Valley, San Jacinto Mts. 2744 Comment
  CAS-BOT-BC61823  Quercus agrifolia Samuel B. Parish 1891-11-4 2253 Riverside Murrieta Comment
  UCR273036  Quercus berberidifolia Mitch Provance 2012-1-25 17380 Riverside Badlands of Western Riverside County, San Timoteo Canyon, SW end along SCE powerline access roads between El Casco Substation and the Hwy. 60. 689 Comment
  UC5522  Quercus chrysolepis H. M. Hall Jul 1901 2524 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1828 Comment
  UC1010216  Quercus cornelius-mulleri John C. Roos 1947-12-13 3765 Riverside Lost Palms Wash Colorado Desert, Eagle Mts. 762 Comment
  UCSB60559  Quercus cornelius-mulleri Muller, Cornelius 1952-3-23 Riverside At Live-oak Tank, Joshua Tree National Monument Comment
  CHSC59979  Quercus dumosa John La Salle 1982-5-4 82- 5 -4-4 Riverside 2.4 miles west of Radec across the highway from Vail Lake turnoff from Highway 79. Comment
  UCD166234  Quercus dumosa Jack Major 1962-4-16 774 -ac Riverside Mt. San Jacinto, south side. (Exact location unknown. Coordinates estimated by label maker.) 1524 Comment
  UCR118000  Quercus engelmannii J. Zabriskie 1978-9-10 1155 Riverside Santa Rosa Mtns, Boyd Deep Canyon Desert Research Center, intersection of Horsethief Creek and Cactus Spring Trail 1037 Comment
  POM122565  Quercus kelloggii Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  JEPS98072  Quercus palmeri D. Wilken with E. Painter 2000-11-4 15870 Riverside State Hwy. 74. E of jct. with State Highway 71, near old Santa Rosa Summit, at trailhead to Pacific Crest Trail San Jacinto Mountains 1600 Comment
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May 30 2008
  UCD63203  Quercus palmeri A. C. Sanders; S. D. Boyd, Mitch Provance, and J. Ross 1998-10-25 22286 Riverside San Jacinto Mtns.: Santa Rosa Indian Reservation along Hwy. 74, 2.1 mi. E of Hwy. 371 junction to Anza, just W of Vandeventer Flat. 1463 Comment
  CAS-BOT-BC104998  Quercus wislizeni C. B. Wolf 1931-10-14 2453 Riverside Snow Crrek, 100 yds. above the Fish Hatchery, N base of San Jacinto Mts. 609 Comment
  POM229444  Quercus wislizeni var. frutescens Noel Wallace 1937-10-19 bs 80 Riverside North side of Box Springs Mt. 762 Comment
  RSA704013  Rafinesquia californica Daphne K. Christopher, H. Stevens, Z. Princip 2003-4-9 133 Riverside Near Hermano Road, off Hwy. 15, Indian Truck Trail exit. On main gravel road heading away from ranch entrance and private residence driveways. 363 Comment
  SD152922  Rafinesquia californica Steve Boyd 1992-4-15 6884 Riverside Santa Ana Mtns, San Mateo Canyon Wilderness Area. Bluewater Canyon along Bluewater Trail downstram to the confluence with San Mateo Creek. 334 Comment
  JOTR31939  Rafinesquia neomexicana La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2177 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky wash with gradual, loose slopes on either side; draining into west Pinkham Wash Comment
  POM254899  Rafinesquia neomexicana P. A. Munz 1940-3-24 15707 Riverside 2 miles north of Cottonwood Springs, Eagle Mountains. 915 Comment
  POM305599  Rafinesquia neomexicana Henry J. Ramsey, Ramsey 1937-3-2 883 Riverside Desert Center Comment
  RSA0124737  Rafinesquia neomexicana Duncan S. Bell, LeRoy Gross 2016-3-9 8848 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central section of range, approximately 1.75 air miles north of Gucci Spring. 551 Comment
  SBBG8705  Rafinesquia neomexicana C. H. Muller 1952-4-6 9499 Riverside ca. 2 mi E of Shavers Summit, E of S entrance of Joshua Tree Nat Monument Comment
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Apr 24 2011
  SEINET6088758  Rafinesquia neomexicana Unknown 1944-3-25 1038 Riverside Morongo Pass. Comment
  SEINET10801150  Rafinesquia neomexicana A. K. Evans 1976-4-13 Evans 5217 Riverside Desert canyons of Santa Rosa mountains. Comment
  RSA716819  Ranunculus californicus A. C. Sanders 2004-4-20 27558 Riverside Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line. 640 Comment
  UC827665  Ranunculus californicus P. A. Munz 1922-4-28 5019 Riverside 5 mi nw Corona 274 Comment
  UCR216392  Ranunculus californicus Mike Bell 2008-3-30 020 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, 5 miles SW of Murrieta, Punta Mesa Trail 537 Comment
  RSA0013140  Ranunculus sceleratus var. sceleratus LeRoy Gross, Caitlin Elam 2013-5-14 6073 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
  UCR183341  Raphanus raphanistrum Mitch Provance 2005-5-27 4604 Riverside San Bernardino Valley, Riverside, Sycamore Canyon, just east of the corner of Canyon Crest Drive and Via Vista 381 Comment
  RSA0036812  Raphanus sativus Robert MacGregor 1984-5-19 5 Riverside Lake Elsinore, CA Hwy 74, 1 mi W of junction with 15E Freeway, N side of road. Comment
  RSA585623  Rhamnus crocea D. L. Banks, S. D. Boyd 1995-3-15 58 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 680 Comment
  SD137644  Rhamnus crocea Darin L. Banks 1995-3-15 58 Riverside NW Palomar Mtns., Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area 680 Comment
  UCR140689  Rhamnus crocea Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 8- 58 Riverside San Jacinto Mtns, San Bernardino National Forest, Hwy 74 near Cranston Guard Station, 10 miles east of Hemet, Site L8 581 Comment
  UCR101451  Rhamnus ilicifolia A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22217 Riverside San Bernardino Mtns., Morongo Indian Reservation, Middle Branch of Millard Canyon 1341 Comment
  RSA390152  Rhamnus tomentella subsp. cuspidata Elbert Benjamine 1929-5-18 215 Riverside Mt. San Jacinto. Comment
  UC18581  Rhamnus tomentella subsp. cuspidata H. M. Hall Jul 1901 Riverside Fuller's Mills Mountains, Fuller's Mills San Jacinto Mountains 1828 Comment
  UCR173870  Rhamnus tomentella subsp. cuspidata Scott D. White, Pam DeVries 2000-4-25 7731 Riverside Peninsular Ranges/ Perris-Aguanga Basin, Temescal Valley, Corona area: E foothills of the Santa Ana Mtns, just above citrus groves 518 Comment
  CSUSB1005  Rhododendron occidentale Stan R. Szarek 1970-11-14 Riverside San Jacinto Mountains San Jacinto Mountains. Collected below campsites at Fuller Mill Creek. Rooted 3 feet from creek. Comment
  UCR35109  Rhododendron occidentale L. B. Ziegler 1978-6-21 594 Riverside San Jacinto Mtns, North Fork of the San Jacinto River (Dark Canyon). 1677 Comment
  UCSB25310  Rhododendron occidentale Gliessman, Stephen 1968-7-11 Riverside 0.6 mile south of Little Round Valley on the Deer Springs Trail, San Jacinto Mountains 2895 Comment
  VVC689  Rhus lancea P. J. MacKay, T. Thomas 1997-2-8 107 Riverside Sonoran Desert, Palm Springs, Murray Canyon; at edge of creek btw palm groves 243 Comment
  LA62867  Rhus ovata Harlan Lewis; 1939-10-23 1040 Riverside Santa Rosa Mountains, Pinyon Flats, Pines to Palms Highway 1219 Comment
  POM161525  Ribes cereum Ralph Hoffmann 1929-9-6 s.n. Riverside San Jacinto Mountains 2591 Comment
  RSA523482  Ribes indecorum Steve Boyd, T. S. Ross, L. Arnseth 1990-3-30 3942 Riverside Vail Lake area, summit of Big Oak Mtn, N of Lake. Saddle between summits, along road heading N to Black Hills. 793 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
  CLARK-A1528-1297  Ribes malvaceum Michelle Loef 1943-3-20 120573-2 Riverside San Jacinto Mountains|Fuller Mill Creek 1828 Comment
  UC11595  Ribes malvaceum var. viridifolium Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  SD130245  Romneya coulteri Scott White 1990-6-16 Riverside Cleveland National Forest, on private land just inside the Forest boundary. East wall of Hagador Canyon, near the mouth of the canyon. 395 Comment
  UCR16767  Rosa californica W. C. Anderson 1967-8-15 s.n. Riverside San Jacinto Mtns., Fuller Mill Creek Camp, 6 miles north of Idyllwild off Banning-Idyllwild Road 1585 Comment
  SEINET10542871  Rubus parviflorus David B. Dunn 1946-8-17 Dunn 2732 Riverside Round meadow dry hillside among lodge pole pines. San jacinto mountains Comment
  RSA577526  Rubus ursinus D. L. Banks, Steve D. Boyd 1995-2-16 0051 A Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., S of the Dripping Springs Alcove, E of the Woodchuck Trail. 829 Comment
  RSA717476  Ruellia A. C. Sanders 1997-10-13 21587 Riverside Riverside, UCR Botanical Garden 366 Comment
  UCR202029  Rumex Denise Woodard, G. Nuhn 1995-8-21 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, 300 acre parcel at west end of Domenigoni Valley, c. 3 miles south of Winchester on the west side of Winchester Rd. 470 Comment
  RSA466040  Rumex acetosella N. C. Cooper 1944-5-6 1208 Riverside Banning. 701 Comment
  OBI37482  Rumex conglomeratus Steve Boyd 1985-7-23 1005 Riverside De Luz Rd, 5.5 mi W of Rancho California Comment
  RSA191440  Rumex conglomeratus E. W. Lathrop 1967-9-26 6627 Riverside 6 miles NW of Murrieta. Comment
  JOTR29521  Rumex crispus La Doux, Tasha, Mike Bell 2006-9-6 1579 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Barker Dam 1301 Comment
  SD186305  Rumex crispus T. B. Salvato, Melissa Clemons 2005-6-23 1309 Riverside Temescal Valley: Walker Canyon, 1.5 mi due E of Alberhill, N of HwyI-15, stream at side of canyon 412 Comment
  UCR211729  Rumex pulcher Fred M. Roberts, D. E. Bramlet 2005-5-5 6181 Riverside Perris Basin, San Jacinto Valley, along MWD canal just north of Devonshire Road and west of Warren Road 458 Comment
  POM13395  Rumex salicifolius E. C. Jaeger 1922-8-22 1019 Riverside Long Valley. 2530 Comment
  RSA357132  Ruppia cirrhosa Robert F. Thorne, Philip A. Munz, E. W. Lathrop 1968-5-8 37603 Riverside Lake Elsinore: behind levee at SE end of Lake Elsinore, ca. 1 mile S of Elsinore. Comment
  SBBG45005  Ruppia maritima L. C. Wheeler 1931-11-26 374 Riverside Salton Sea, 2 mi SE Salton Bench Mark Co -76 Comment
  UCR157941  Sagina apetala T. B. Salvato, A. C. Sanders 2005-5-17 923 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
  HSC79238  Salazaria mexicana G. K. Helmkamp 1983-10-8 - 32 Riverside TNC Big Morongo Preserve, S of town of Morongo Valley in Big Morongo Canyon, beside pipeline road 762 Comment
  RSA0042554  Salazaria mexicana Samuel Bonsal Parish 1917-4-4 Riverside Palm Canyon. 457 Comment
  UCR114253  Salicornia virginica Stan C. Spencer 2000-2-1 s.n. Riverside Temecula Valley, Murrieta Creek at confluence with Empire Creek (Long Canyon) 329 Comment
  CAS-BOT-BC103895  Salix exigua H. M. Hall 1901-6-1 2105 Riverside Eastern base, along the borders of the Colorado Desert Comment
  JOTR35977  Salix exigua De Groot, Sarah J., Jessica Chu, Loraine Washburn 2013-3-22 6877 Riverside Joshua Tree National Park. Cottonwood Spring; Fan palm oasis and surrounding slopes. 914 Comment
  UC846449  Salix exigua var. hindsiana P. A. Munz and I. M. Johnston 1922-5-7 5270 Riverside Keyes Ranch along small stream Keyes Ranch; Little San Bernardino Mts. 1066 Comment
  CAS-BOT-BC108214  Salix hindsiana Mrs. H. P. Bracelin 1932-4-12 600 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  JOTR36411  Salix lasiolepis La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3359 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  RSA552716  Salix lasiolepis Steve D. Boyd, Tim S. Ross, Orlando Mistretta 1992-2-26 6685 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  SD229281  Salix lasiolepis Dick Schwenkmeyer 2012-8-28 825 Riverside Fuller's Mill camp, 2.6 mi. east of intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1799 Comment
  UCR121088  Salix lasiolepis A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24972 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UCR132419  Salix lasiolepis A. C. Sanders 2004-2-6 27381 Riverside Santa Ana Mtns., foothills at edge of Temescal Valley, canyon along north side of ridge proposed for removal at development called 'Trilogy at Glen Ivy,' south of Brown Canyon 442 Comment
  UCR139633  Salix lasiolepis A. C. Sanders 2004-6-30 28402 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  UCR5944  Salix lutea var. watsonii David T. Wright 1966-5-16 s.n. Riverside San Jacinto Mtns, Lake Fulmor, between road and lake Comment
  CLARK-A1528-416  Salsola iberica Fred B. Essig 1966-9-12 Riverside Santa Ana River Comment
  RSA152099  Saltugilia splendens Wesley O. Griesel 1962-6-29 s.n. Riverside San Jacinto Mountains: Dark Canyon. 1921 Comment
  UCR214322  Salvia apiana A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38382 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  SEINET7970252  Salvia carduacea I. W. Clokey, C. B. Clokey, B. C. Templeton 1930-1 4624 Riverside Perres, Gavilan Peak. 600 Comment
  UCLA70110  Salvia carduacea L. Haines and L. Erickson 1937-4-9 Riverside near Winchester Comment
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Mar 20 2011
  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
  SEINET13947339 Image available Salvia columbariae N. M. Fellows, A. C. Sanders, A. Strickland 1986-1 166 Riverside Oasis de Los Osos Preserve, off Snow Creek Canyon at the north foot of the San Jacinto Mountains, 1 mi W of Snow Creek Village. (T3S, R3E, S1/2 Sec. 20). (+/-) 1600 ft alt. 488 Comment
  RSA124980  Salvia eremostachya Peter H. Raven 1958-5-18 13001 Riverside 1.7 miles NE of Pinyon Flats, San Jacinto Mountains. Comment
  CLARK-A1528-5347  Salvia greatae John C. Roos 1949-3-19 4101 Riverside Orocopia Mountains Comment
  RSA434100  Salvia leucophylla E. A. McGregor 1964-6-10 s.n. Riverside On Highway 74, west of Elsinor. 915 Comment
  RSA613655  Salvia mellifera D. L. Banks, Victor W. Steinmann 1997-3-13 1465 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
  RSA8713  Salvia mellifera P. A. Munz 1920-4-11 3815 Riverside Santa Ana River Canyon. 305 Comment
  SBBG120625  Salvia mellifera A. C. Sanders, T. B. Salvato, K. Volansky, M. Balk 2006-5-24 32530 Riverside hills between Murrieta and Menifee Valley, W of I-215, S of Bundy Cyn/Scott Rd and N of Clinton Keith Rd 579 Comment
  SD136810  Salvia mellifera Steve Boyd, Tim Ross and Orlando Mistretta 1992-3-31 6742 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area, Morgan Tril from Round Potrero west to junction with Tenaja Trail in north fork of Bear Creek. 671 Comment
  UCR155322  Salvia mellifera A. C. Sanders, Mike Misenhelter 2005-3-23 29250 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  JOTR34015  Salvia vaseyi La Doux, Tasha, M. Harding 2010-4-7 2902 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  RSA0121026  Salvia vaseyi Duncan S. Bell, LeRoy Gross 2016-3-29 9112 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5 air miles southeast of the summit of Martinez Mountain. 686 Comment
  RSA448917  Salvia vaseyi S. B. Parish 1894-6-15 3233 Riverside Morongo Wash. San Bernardino Mountains, and their eastern base. 915 Comment
  CAS-BOT-BC414253  Salvinia minima R. E. Riefner, Jr. 2011-10-16 11 -142 Riverside City of Lake Elsinore, W of Hwy. 74, S side of Temescal Wash, ca. 0.2 mi N of Baker St., vicinity of Bromley Ave. and Baker St. 382 Comment
  RSA650336  Sambucus caerulea Gregorio Hernandez 1953-1-24 s.n. Riverside Around El Casco Lake. Between Redlands and Beaumont. On San Timoteo Canyon Rd. Comment
  CLARK-A1528-381  Sambucus mexicana C. M. Flanagan 1973-5-31 OO 635 Riverside Morongo Indian Reservation 853 Comment
  RSA500135  Sambucus mexicana Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3675 Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
  RSA771747  Sambucus mexicana Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4766 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65125 604 Comment
  UCR180578  Sambucus mexicana Scott D. White, Angelia Carey 2004-4-5 10009 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  SD137923  Sanicula bipinnatifida Darin L. Banks, Steve Boyd 1995-3-15 55 Riverside Northwest Palomar Mountains. north face of Agua Tibia Mountain, Dorland Mountain Area. 740 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
  UCR249921  Sanicula tuberosa A. C. Sanders, Steve Boyd, Fred M. Roberts, Robt. L. Allen 2009-4-9 36789 Riverside Peninsular Range; Santa Ana Mtns., Elsinore Peak, c. 0.4 mi. SE of the summit 1014 Comment
  RSA100183  Sanvitalia procumbens J. C. Roos, Lucille Roos 1954-7-26 6204 Riverside In unused corner of dry garden, 6th Street near Pepper. In E. C. Jaeger's yard? 274 Comment
  GMDRC3102  Sarcostemma hirtellum J. Andre, T. La Doux 2008-9-13 10263 Riverside Chuckwalla Valley: along Hwy 177 (northwest side), southeast end of Coxcomb Mountains 33 deg. 48.724' N 115 deg. 16.87' W. Elev. 527 ft. 161 Comment
  UCR82819  Sarcostemma hirtellum Bern Schwenn 1994-3-21 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Park and vicinity, Little San Bernardino Mtns, along radio tower road in first canyon west of mouth of Pushawalla Canyon, east of Upper Thousand Palms Canyon 610 Comment
  UCR29624  Saxifraga californica Don Emery 1983-3-25 s.n. Riverside Box Springs Mtns., E of Riverside. On the U.C. Reserve on the crest of the range, near the 'C'. 732 Comment
  RSA753935  Schinus molle W. Schlegel, Andrew Trouette 2008-10-10 25 Riverside Snow Creek Cabin Parcel Comment
  SEINET7862086  Schinus molle M. F. Barrus 1919-12-24 57 Riverside Riverside, Canyon, W slope of Box Springs Mts. Comment
  SD258843  Schismus arabicus Sarah J. De Groot, Thomas Stoughton 2016-2-18 7615 Riverside Mecca Hills; side canyon (east fork) of Painted Canyon 181 Comment
  UCD93090  Schismus arabicus Ellis W. Van Gorder 1963-2-18 s.n. Riverside Colton. Comment
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Jun 8 2013
  UCR214416  Schismus arabicus A. C. Sanders, Richard Dwerlkotte 2010-3-22 37502 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 2 mi. SE of Sidewinder Well, south of Palen Dry Lake, SW of Palen Mtns. 142 Comment
  CAS-BOT-BC243463  Schismus barbatus Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 4046 Riverside Vail Lake area, lower lsopes of Aqua Tibia Mtn., along Hwy 79, E of USFWS Dripping Springs Guard Sta. 609 Comment
  SEINET229293 Image available Schismus barbatus L. M. Shultz, JS Shultz 1985-4-17 8299 Riverside Palo Verde Valley washes north of Blythe at the southern extension of the Big Maria Mountains 91 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
  UCR130131  Schoenoplectus americanus I. M. Johnston 1917-4-4 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Palm Canyon 427 Comment
  UCR116419  Scrophularia californica A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24189 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
  CHSC109261  Scutellaria bolanderi subsp. austromontana Scott D. White; Justin M. Hood 2008-7-9 12414 Riverside San Jacinto Mountains; Johnson Meadow. 1451 Comment
  SD28110  Scutellaria siphocampyloides Carl B. Wolf 1932-8-4 Riverside San Jacinto Mts. Point view, near Idyllwild 1646 Comment
  UCR99406  Searsia pendulina A. C. Sanders 1997-2-26 19688 Riverside Riverside: SE side of UCR campus at NW corner of reservoir 305 Comment
  RSA296172  Senecio douglasii var. monoensis B. A. Prigge 1980-8-5 3874 Riverside Whitewater Canyon, 0.5 mile north of trout farm 732 Comment
  CDA8626  Senecio flaccidus var. douglasii T. C. Fuller, T. Suzuki 1958-9-26 Riverside Cherry Valley. 0 Comment
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Oct 1 2014
  RSA586726  Senecio flaccidus var. douglasii D. L. Banks, S. D. Boyd 1995-5-17 0448 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. 598 Comment
  RSA791478  Senecio flaccidus var. monoensis J. Andre 2012-4-16 20930 Riverside Joshua Tree National Park;; along Cottonwood Spr. Rd, 2.4 mi. north of Cottonwood Visitor's Ctr..mixed sonoran-mohaven scrub. 956 Comment
  CAS-BOT-BC364132  Senecio mohavensis John Thomas Howell 1928-3-24 3527 Riverside Painted Canon [Canyon], Colorado Desert Comment
  JOTR35342  Senecio mohavensis Harding, Mitzi, Mark Wheeler 2012-2-28 108 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; steep-walled, shallow, north-flowing canyon with rocky wash bottom (Stop 4) 361 Comment
  SBBG62720  Senecio mohavensis M. N. Ackley 1928-3-31 302 Riverside Hidden Spring 304 Comment
  CLARK-A1045-234  Senecio vulgaris George K. Helmkamp 1978-4-1 Riverside Whitewater junction of Interstate highway 10 and Verbenia Avenue; Whitewater 7.5'Q Comment
  SD84910  Senegalia greggii Nancy Ryan Zabriskie, Walter Zabriskie 1971-10-24 458 Riverside Andreas Canyon, East side of San Jacinto Mountains, north side of stream, Comment
  JOTR34310  Senna armata Andre, Jim 2012-4-11 20725 Riverside Joshua Tree National Park. Pinto Basin; along road to Cootonwood, I mi NW of Fried Liver Wash, approx. 15 mi S of Hwy 62 in Twentynine Palms 617 Comment
  RSA751919  Sequoia sempervirens Scott D. White, Justin M. Wood 2009-5-22 12922 Riverside San Jacinto Mts: Halfway Spring, accessed via Old Control Road. 1159 Comment
  RSA0031605  Sequoiadendron giganteum Rudolf Schmid, Mena Schmid 2009-5-1 2009 -5 Riverside NW. San Jacinto Mtns., ne. of HW 243 ca. 16 highway km nw. of Idyllwild, in the s. unit of the San Bernardino National Forest, on sw. flank of Black Mtn. Right (as ascending) of Black Mountain Trail in flat open area on the sloping plateau or saddle, just above the head of Hall Canyon. 2093 Comment
  SEINET10753960  Setaria geniculata Unknown 1987-5-10 Bogen 1 Riverside Along Van Buren Blvd. between bridge over Santa Ana River and sewer plant; disturbed area by roadside. Roadfill at edge of riparian. Comment
  RSA585741  Sidalcea malviflora subsp. malviflora D. L. Banks, Steve D. Boyd 1995-5-9 405 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. 738 Comment
  RSA433911  Sidalcea malviflora subsp. sparsifolia N. C. Cooper 1947-4-5 2042 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  RSA496386  Sidalcea malviflora subsp. sparsifolia Steve Boyd, Tim Ross, L. Arnseth 1989-3-31 3063 Riverside Vail Lake area, S. of Hwy 79, 0.25 mile E. of Pauba Rd 427 Comment
  RSA614623  Sidalcea malviflora subsp. sparsifolia D. L. Banks 1997-3-29 1573 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga India