Search Results — 2000 specimen records retrieved (1887 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SEINET10719539  Abies concolor var. lowiana Karen M. Meyer, Andrew Townesmith; Tracy Scott 2007-3-16 Meyer 18 Riverside San Bernardino National Forest. Mix between oak chaparral and pine forest. Next to Lake Fulmor, 17 mi. S on Hwy 243 (off I-10). 1632 Comment
  CAS-BOT-BC229309  Abronia villosa A. C. Sanders; D. Malueg 2003-5-8 26564 Riverside San Jacinto Valley: San Jacinto Riverbottom, north of San Jacinto and SE of State St. 465 Comment
  CAS-BOT-BC229312  Abronia villosa Mrs. J. C. Angsbury 1926-1-1 s.n. Riverside Palm Springs Comment
  CAS-BOT-BC229333  Abronia villosa J. Von Loh 1978-1-23 3297 Riverside Palo Verde Mesa, 12 mi SW of Blythe 121 Comment
  CAS-BOT-BC229348  Abronia villosa E. A. McGregor 1917-3-19 2058 Riverside Colorado Desert. Indio Comment
  CAS-BOT-BC229353  Abronia villosa Marcus E. Jones 1925-9-7 s.n. Riverside Palm Spring [Springs] Comment
  JEPS61242  Abronia villosa W. L. Jepson and H. M. Hall 1901-5-17 1245 Riverside near San Jacinto Comment
  POM6706  Abronia villosa P. A. Munz, L. T. Street, Williams 1919-3-27 2385 Riverside Salton Sea Comment
  SBBG69828  Abronia villosa M. N. Ackley 1929-5-19 687 Riverside Hemet 484 Comment
  SEINET3133843  Abronia villosa T. Reeves, D. J. Pinkava 1974-3-19 11751 Riverside Rte I-10 frontage rd at Indian Wells Washington St., 6 mi E of Thousand Palms Comment
  SEINET893735  Abronia villosa Rea Raymond 1962-1 197 Riverside Cathedral City, Palms to Pines Highway. San Jaciento mountain range. 152 Comment
  UC665887  Abronia villosa Ira L. Wiggins 1941-3-24 9568 Riverside 0.3 mi s Myoma (4.6 mi n of Indio) Comment
Read comments
Jun 5 2011
  POM13018  Abronia villosa var. aurita P. A. Munz 1922-4-14 4968 Riverside Indian Wells 91 Comment
  POM6704  Abronia villosa var. aurita P. A. Munz, L. T. Street, G. Williams 1919-3-26 2336 Riverside Palm Canyon 213 Comment
Read comments
Apr 23 2011
  RSA207678  Abronia villosa var. aurita James Henrickson 1969-10-25 4256 Riverside 6 miles SSE of Idyllwild near Hemet Reservoir, along roadside of Hwy 74. 1372 Comment
  SEINET5585526  Abronia villosa var. aurita Duncan S. Bell 2012-1 3154 Riverside Southern section of the Mecca Hills; approximately 2.5 air miles southeast of where the Coachella Canal and Hidden Springs Canyon cross each other. 37 Comment
  RSA760812  Abronia villosa var. villosa Thomas Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-27 171 Riverside Mecca Hills Wilderness. Off Box Cannyon Rd (66th st) (Hwy 195). Campground E of Mecca. 198 Comment
  OBI37501  Abutilon palmeri A. C. Sanders 1982-11-24 3272 Riverside In the UCR Botanic Garden; Above Alder Cyn near the Garden Office Comment
  CAS-BOT-BC30903  Acamptopappus sphaerocephalus C. B. Wolf 1932-5-25 3681 Riverside San Gorgonia Wash. On road to Snow Creek Canyon 365 Comment
  CAS-BOT-BC30905  Acamptopappus sphaerocephalus Frank W. Peirson 1927-4-11 7154 Riverside Colorado Desert, 0.5 mile below Whitewater Bridge Comment
  CAS-BOT-BC35188  Acamptopappus sphaerocephalus H. M. Hall 1901-6-1 2108 Riverside San Jacinto Mountains, eastern base along the borders of the Colorado Desert Comment
  CLARK-A1045-206  Acamptopappus sphaerocephalus George K. Helmkamp 1979-4-29 Riverside Windy Point Whitewater 7.5'Q Comment
  UCSB38736  Acamptopappus sphaerocephalus Cowan, Clark 1978-4-23 Riverside 12.2 mi. (19.2 km.) S on Hwy. 74 from jct. with Hwy. 11 at Indian Wells 950 Comment
  SBBG35092  Acamptopappus sphaerocephalus var. sphaerocephalus T. L. Secrest 1948-4-7 Riverside 5 mi below Whitewater 274 Comment
  UC63855  Acer negundo var. interior H. M. Hall 1897-4-16 480 Riverside hills s Beaumont; hills s of Beaumont Comment
  SD138511  Achillea millefolium Darin L. Banks, Peter Morrell 1995-5-4 299 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. North slope of Agua Tibia Mountain east of Dripping Springs along Woodchuck Trail 569 Comment
  CAS-BOT-BC218716  Achnatherum coronatum Steve Boyd; Aydee Virgen 2004-4-13 10868 Riverside San Mateo Canyon, midway between confluence with Los alamos Canyon and Tenaja Canyon, Peninsular Ranges, Santa Ana Mountains region Comment
  CAS-BOT-BC260436  Achnatherum hymenoides H. M. Hall 1899-5-24 1163 Riverside San Jacinto Mountains. Van DeVenders 1371 Comment
  POM8459  Achnatherum hymenoides Mary F. Spencer 1920-4-11 1543 Riverside Palm Springs. Comment
  UCD50446  Achnatherum hymenoides John Thomas Howell 1928-3-11 3428 Riverside 6 miles se. of Garnett Station, Colorado Desert, Riverside County. 152 Comment
  POM301785  Achnatherum speciosum J. Cole 1942-4-11 950 Riverside Split Rock Area, Joshua Tree National Monument, Riverside County. alt 4000ft 1220 Comment
  UCR148859  Achyronychia cooperi 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
  LA28891  Acmispon argophyllus var. argophyllus P. J. Remple; 1942-3-21 ** Riverside San Bernardino Mountains, Whitewater Canyon Comment
  SBBG56033  Acmispon argophyllus var. argophyllus B. Gustafson 1977-4-7 5586 Riverside Whitewater Cyn Rd, near start of Pacific Crest Trail 609 Comment
  OBI12981  Acmispon glaber var. brevialatus Robert F. Hoover 1969-4-11 11221 Riverside Mouth of Morongo valley cyn Comment
  JOTR30228  Acmispon heermannii var. heermannii Leary, C. and Leary, Pat 1979-5-5 2981 Riverside Joshua Tree National Park. Among granite boulders above Lower Covington Flat, Joshua Tree N.M., T2S R7E sec 6 Comment
  OBI29880  Acmispon rigidus Melissa Luckow, Rhonda Riggins 1982-4-15 821 Riverside 1.5 mi SE of Pinyon Crest Rd, 9.6 mi NW jctn Hwy 74 and 371 in Paradise Valley along Hwy 74 1158 Comment
  SBBG28443  Acmispon rigidus D. Myrick 1964-4-29 823 Riverside 10 mi W of Palm Desert on Pines to Palms Hwy 74 914 Comment
  SBBG3489  Acmispon strigosus H. and M. Dearing 1937-4-11 922 Riverside NE of Indio Comment
  UCR3464  Acourtia microcephala Tom Painter 1964-5-12 51264 3 Riverside Box Springs Mtns., Two Trees Canyon 445 Comment
  UCR193971  Adenostoma fasciculatum A. C. Sanders 2008-7-25 35917 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, NE of Bonita Vista Rd. at foot of hills Comment
  RSA453179  Adenostoma sparsifolium H. S. Gentry 1939-10-7 4654 Riverside Dripping Springs. Comment
  UCR133641  Adenostoma sparsifolium I. W. Clokey, E. G. Anderson 1935-8-21 6674 Riverside San Jacinto Mtns., west of Keen Camp P.O. 'alt. 1200 m 1402 Comment
  RSA598053  Adiantum capillus-veneris A. C. Copeland 2587 Riverside Temecula Canyon Comment
  RSA228832  Adiantum jordanii Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 614 Riverside Cleveland National Forest. Ca. 8 mi. south of Lake Elsinore, off Forest Route 7S04. Comment
  SEINET273140 Image available Adiantum jordanii A. C. Sanders 1997-3-26 20103 Riverside Lake Skinner Area; along foot trail at W base of Tucalota Hills UTM 10km cell; MH-9E 1N. Skinner Reservoir 518 Comment
  SEINET3412072  Agave deserti var. deserti Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28520 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert. 759 Comment
  CLARK-A1528-1531  Agoseris retrorsa John C. Roos 1937-4-18 1362 Riverside Cabazon Comment
Read comments
Jun 10 2015
  POM12045  Agoseris retrorsa Mary F. Spencer 1921-6-2 1212 Riverside Idyllwild, San Jacinto Mt. 1615 Comment
  UC69348  Agrostis idahoensis H. M. Hall July, 1901 2533 Riverside Fuller's Mills Mountains San Jacinto Mountains, Fuller's Mills Mountains 2286 Comment
  UC815099  Agrostis idahoensis P. A. Munz 1922-7-6 6013 Riverside Tahquitz Valley San Jacinto Mts., Tahquitz Valley 2194 Comment
  UCR135837  Agrostis pallens A. C. Sanders 2004-4-20 27540 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
  UCR27005  Agrostis pallens E. W. Lathrop 1966-5-29 6378 Riverside Peinsular Range; Santa Ana Mtns, Cleveland National Forest, Main Divide Truck Trail between El Carriso and Santiago Peak 1223 Comment
  CDA4019  Albizia julibrissin A. C. Sanders, T. B. Salvato 2001-5-24 24370 Riverside Perris-Aguanga Basin; Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon W of junction of Av. Pina Colada Comment
  UCR207357  Alchemilla occidentalis O. F. Clarke 1997-3-8 s.n. Riverside Peninsular Range, Box Springs Mtns., east edge of Riverside, along Box Springs Mtn. Rd. 668 Comment
  UC421609  Allenrolfea occidentalis John Thomas Howell 1928-11-4 4081 Riverside 3 mi. n.w. of Mecca (on rd. to Indio); Coachella Valley Comment
  CAS-BOT-BC385085  Allionia incarnata D. B. Dunn 1946-2-23 1985 Riverside In Grotto Canyon Comment
  RSA675990  Allionia incarnata Scott D. White 2001-4-12 8298 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
  SD254649  Allionia incarnata A. C. Sanders, Jim Malusa 2016-3-18 42371 Riverside Sonoran (Colorado) Desert: Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Denlap (Iris Pass 7.5'Q) 537 Comment
  SEINET3092159 Image available Allionia incarnata P. Leary 1974-10-26 516 Riverside Hexie Mountains, N of Mary Peak, Joshua Tree National Monument. Comment
  UCR16036  Allium fimbriatum B. A. Carlson 1978-5-13 s.n. Riverside Santa Rosa Mtns., N of Hwy 74 & 20 m south of Pinyon Flat Campground boundary. 1220 Comment
  POM184171  Allium haematochiton Philip A. Munz 1932-3-24 12026 Riverside North of Lake Elsinore. 305 Comment
  SEINET269551  Allium haematochiton Michael A. Patten 1992-4-29 Riverside Temecula area: Pala Road northwest side of bridge over Temecula Creek. Comment
  UCR37470  Allium haematochiton Steve Boyd 1981-4-6 s.n. Riverside Peninsular Range, Gavilan Hills, Estelle Mtn. summit 823 Comment
  CAS-BOT-BC132014  Allium munzii Steve Boyd 1986-4-22 1778 Riverside Gavilan Hills: E edge of plateau remnant of ridge E of Estelle Mt., S of Dawson Canyon 670 Comment
  RSA574725  Allium munzii 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
  RSA682854  Allium munzii Scott D. White, Michael Honer 2003-4-9 8983 Riverside About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak 2349. 549 Comment
  UCR217543  Allium munzii Diane Menuz 2008-4-30 438 Riverside Perris-Hemet Basin, SW of the city of Hemet, north of Diamond Valley Lake on Domenigoni Hills; c. 1.3 km SE of Simpson Ave. and Warren Rd. intersection 577 Comment
  UCR118401  Allophyllum A. C. Sanders 1994-5-30 14605 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  RSA410062  Allophyllum divaricatum M. B. Dunkle 1933-7-19 3675 Riverside Upper Tahquitz Valley, San Jacinto Mountains. 2409 Comment
  RSA192034  Allophyllum glutinosum H. A. Zuill 1966-6-19 229 Riverside On the Los Alamos Ranch road. Comment
  CAS-BOT-BC137954  Alopecurus saccatus Robert F. Thorne; E. Lathrop; O. Clark; S. Carlquist 1968-4-18 37442 Riverside Santa Rosa Plateau. Mesa de Colorado. 670 Comment
  RSA653141  Alternanthera philoxeroides J. Zamora, Al Acosta 1999-9-29 s.n. Riverside Riverside: Santa Ana River, under the NW end of the Market St. bridge. 244 Comment
  JOTR35022  Amaranthus albus La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3120 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road, near Mission Well Comment
  RSA736738  Amaranthus albus Scott D. White, Angelia Carey, Linda Archer 2004-8-5 10682 Riverside Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  RSA737437  Amaranthus albus Justin M. Wood 2008-8-31 119 Riverside Romoland, 1/4 mile S of Ethanac Rd. between San Jacinto Rd. and Palomar Rd. just south of railroad tracks. 442 Comment
  UCR54043  Amaranthus albus A. C. Sanders 1988-11-6 08741 Riverside Coachella Valley, W side of Hwy 86/Harrison St., 6.25 mi. south of junction with Hwy 111 in Coachella and 3.85 mi. north of Valerie Jean, 0.55 mi north of Ave. 60 -35 Comment
  RSA596768  Amaranthus albus D. L. Banks, K. D. Hedge 1996-5-16 1034 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, approximately 20 m N of the gate to the University of California-Emerson Oaks Reserve., At the junction with the road to the local golf course. 426 Comment
  JOTR30826  Amaranthus torreyi La Doux, Tasha, Jim Andre 2008-9-16 342 Riverside Joshua Tree National Park. JTNP; SE end of Splitrock Picnic Area. Queen Mountain USGS 7.5 min Quad. Near 34 00.486' N 116 03.288' W 1289 Comment
  RSA650127  Ambrosia J. G. Page 1949-2-1 s.n. Riverside Colledted 30 mi. East of Blyth. Comment
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Mar 27 2014
  POM361077  Ambrosia X platyspina Anstruther Davidson 1895-04 2008 Riverside Palm Springs; Colorado Desert. Comment
  POM319667  Ambrosia acanthicarpa Patricia Wilder 1971-9-29 5263 Riverside Along San Jacinto River at north end of Fairview Street, north of Florida Street, Valle Vista; east of Hemet. On dry river bed. 518 Comment
  UCR94938  Ambrosia acanthicarpa Scott D. White 1996-9-22 4532 Riverside Perris Basin, Lakeview Mtns: north of Homeland, along Juniper Flats Road, c. 1.2 road miles north of intersection with State Hwy 74, unnamed drainage channel parallel to the road 500 Comment
  UCR250116  Ambrosia confertiflora A. C. Sanders 2014-4-23 41050 Riverside Peninsular Range, Gavilan Hills, along Concordia Ranch Rd. at edge of Temescal Valley, above I-15, c. midway between Black Powder Rd. and end of Concordia Ranch Rd. 380 Comment
  RSA766670  Ambrosia dumosa Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-4-22 162 Riverside Chuckwalla Valley. N of I-10. Wiley Well Rd exit on 4x4 rd towards McCoy Peak. 213 Comment
  UC68912  Ambrosia dumosa H. M. Hall 1905-4-1 5907 Riverside near Mule Springs; Colorado Desert Comment
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Sep 11 2011
  UC724343  Ambrosia dumosa Aven Nelson, Ruth A. Nelson 1939-3-28 3297 Riverside near n end, on Hwy 111, Salton Sea Comment
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Jul 14 2012
  UCR77564  Ambrosia pumila Steve Boyd, T. S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6331 Riverside Peninsular Range, Skunk Hollow area, 2 mi east of Murrieta Hot Springs, just west of Second San Diego Aquaduct Comment
  SD229059  Ambrosia salsola Dick Schwenkmeyer 2012-5-22 725 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  UCR227182  Ambrosia salsola Jim Andre 2011-2-9 15934 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
  UC897994  Ambrosia salsola var. salsola Lewis S. Rose 1936-12-19 36792 Riverside Palm Canyon Wash 121 Comment
  IRVC26145  Amelanchier utahensis Art Whistler 1966-5-8 15 Riverside downstream from Lake Fulmor, Route 74. Peninsular Ranges/ San Jacinto Mountains 1585 Comment
  UCR113991  Ammannia robusta Mitch Provance, A. C. Sanders 2000-7-4 2103 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UC718408  Amorpha californica var. californica Carl B. Wolf 1933-8-24 5380 Riverside 1/2 mi below summit of Bedford Motorway; E. Slope Santa Ana Mts. 975 Comment
  SJSU4445  Amorpha fruticosa R. L. MacDonald 1962-4-17 Riverside Palm Canyon, E slope San Jacinto Mtn near Palm Springs Comment
  SEINET3083496 Image available Amsinckia intermedia Michael Theroux 1982-4-21 154 Riverside Breckenridge Rd., adjacent to Guimarra Vineyards, 2-3 mi. E of Commanche Dr., near Cottonwood Creek. (Rio Bravo Ranch 7.5' Quad) Comment
  UCR91434  Amsinckia intermedia Scott D. White 1995-3-30 2639 Riverside San Jacinto Valley, Just west of Box Springs Blvd, east of Sycamore Canyon Park 457 Comment
  SEINET10455555  Amsinckia intermedia A. K. Evans 1976-4-13 Evans 5187 Riverside On same sheet as Dunn 2109, UMO 161837. Rocky slopes of Santa Rosa mountains. Comment
  JOTR30103  Amsinckia menziesii La Doux, Tasha, Bill Truesdell 2008-3-18 1669 Riverside Joshua Tree National Park. Stop 2 = Near northern Park boundary in Rattlesnake Canyon Wash, near bouldery outcrops 892 Comment
  RSA339325  Amsinckia menziesii R. F. Thorne, C. W. Tilforth 1980-5-28 54205 Riverside Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 610 Comment
  UCR93051  Amsinckia menziesii var. menziesii Steve Boyd 1986-4-2 1617 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  POM14034  Amsinckia tessellata P. A. Munz, D. D. Keck 1922-4-15 4987 Riverside Near Moreno. Grain field. 366 Comment
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Mar 20 2011
  RSA0091471  Amsinckia tessellata Duncan S. Bell 2010-4-1 664 Riverside Arica Mountains: east side of the mountain range, west side of Rice Valley, near the lowest eastern drainage point for the Arica mountains; approximately 4.3 air miles southeast of the ghost town of Rice. 209 Comment
  RSA775344  Amsinckia tessellata var. tessellata Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5015 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 W116.66013 750 Comment
  UC1095300  Amsinckia tessellata var. tessellata Peter H. Raven, D. Kyhos 1957-2-15 11572 Riverside Corn Springs; Chuckawalla Mountains Comment
  POM115619  Amsonia brevifolia var. tomentosa A. M. Alexander, Louise Kellogg 1941-5-23 2225 Riverside one-half mile north of cottonwood spring, Eagle mountains. 915 Comment
  RSA526485  Anagallis arvensis Steve Boyd, Tim S. Ross 1990-5-11 4682 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
  SJSU15324  Anaphalis margaritacea B. SMith 1986-4-21 39 Riverside 1 mile east of Blair Valley. 975 Comment
Read comments
Aug 19 2015
  RSA0121451  Andropogon glomeratus Duncan S. Bell, LeRoy Gross 2016-3-30 9130 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.75 air miles southeast of the summit of Martinez Mountain. 698 Comment
  UCR281226  Anemopsis californica Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-28 317- 56 Riverside Temescal Valley, Southern foot of the Gavilan Hills, Temescal Wash, N side of Temescal Canyon Road, along 'Zeigler's Rd. 360 Comment
  UC20795  Angelica tomentosa H. M. Hall July, 1901 2557 Riverside San Jacinto Mountains, Fuller's Mills Mountains Fuller's Mills Mountains; San Jacinto Mountains, Fuller's Mills Mountains 2133 Comment
  UC489016  Anisocoma acaulis C. V. Meyer 1929-6-10 763 Riverside Saunder's Meadow; San Jacinto Mt. 1706 Comment
  CAS-BOT-BC79932  Antennaria microphylla H. M. Hall 1901-7-1 2401 Riverside Tamarack Valley 2834 Comment
  SEINET3132559  Antennaria rosea subsp. rosea F. M. Reed 1908-7-10 2425 Riverside Round Valley 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
  VVC4  Anthriscus caucalis A. C. Sanders, J. Mac 1997-5-4 20704 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek. 854 Comment
  POM262948  Antirrhinum coulterianum J. C. Roos 1941-5-17 138 Riverside About 4 miles SW of March Field. Comment
  RSA675686  Antirrhinum nuttallianum Scott D. White 2001-6-20 8597 Riverside Sun City Area: Just east of Goetz Rd. and south of Ethanac Rd. , ca. 11/2-2 mi west of I-215 Freeway. 135 Comment
  UCR117339  Antirrhinum nuttallianum Mitch Provance 1998-3-22 255 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', or also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 Comment
  UCR151067  Antirrhinum nuttallianum Scott D. White 1998-6-17 6750 Riverside Peninsular Ranges; Gavilan Hills, along Gavilan Rd. or Santa Rosa Mine Rd.; c. 7 mi survey route from Gavilan/ Cajalco Rd. junction. south and east to Santa Rosa Mine/ Post Rd. junction 671 Comment
  UC855414  Arabis glaucovalvula P. A. Munz and I. M. Johnston 1922-5-7 5251 Riverside 2 mi w Keyes Ranch; Little San Bernaridno Mts. 1066 Comment
  RSA595732  Arceuthobium californicum Louis C. Wheeler 1945-10-6 6148 Riverside San Jacinto Mountains. North fork San Jacinto River, Fuller Mill Creek. 1829 Comment
  JEPS40125  Arceuthobium campylopodum Carl V. Meyer 1929-1-5 688 Riverside Tahquitz Ridge San Jacinto Mtns 1981 Comment
  POM13939  Arctium lappa F. M. Reed 1907-6-23 1435 Riverside Old field above West Riverside Road above bridge. Comment
  RSA629153  Arctostaphylos Jon E. Keeley 1992-7-17 16786 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  RSA629388  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19508 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629429  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16854 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  CAS-BOT-BC23123  Arctostaphylos glandulosa subsp. glandulosa John Thomas Howell 1931-5-30 6608 Riverside Santiago Peak, Santa Ana Mts. Comment
  RSA192299  Arctostaphylos glandulosa subsp. zacaensis E. W. Lathrop 1966-3-2 6047 Riverside 12 miles NW of Murrieta, Skyline drive road at junction of Wildomar & Los Alamos truck trails. 426 Comment
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Jan 1 2007
  HSC47418  Arctostaphylos glauca Richard Spjut, C. E. Edson 1978-5-5 5018 Riverside W margins of Colorado Desert, along Hwy. 74, W of Palm Desert in the San Jacinto Mtns. 915 Comment
  RSA631787  Arctostaphylos glauca Jon E. Keeley 1992-7-17 16732 Riverside Morris Ranch Road (6S06), 0.8 km east east of Highway 74, Garner Valley. 1440 Comment
  RSA632250  Arctostaphylos glauca Jon E. Keeley 1974-6-6 4096 A Riverside Past Agunga [Aguanga?] across from ranch with blue fish sign. 60 Comment
  RSA633570  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16675 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA633603  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22514 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633721  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20129 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  CAS-BOT-BC46600  Arctostaphylos patula E. K. Balls 1949-5-4 13483 Riverside 2 mi. w. of Fuller Creek Camp Ground, San Jacinto Mts. 1493 Comment
  RSA635304  Arctostaphylos patula Jon E. Keeley, Rx Rothrock 1992-11-11 22536 Riverside Saddle Junction, ca. 2 km northeast of Humber Park, Idyllwild, San Jacinto Mtns. 2400 Comment
  RSA635594  Arctostaphylos peninsularis subsp. peninsularis Jon E. Keeley 1992-7-17 16764 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  UCR174956  Arctostaphylos pringlei Jennifer H. Jones, Thi (Teresa) Bui and Holly Summers 2006-5-31 355 Riverside Peninsular Ranges; San Jacinto Mtns., Parking lot and stream below parking lot on Calif. Hwy 243 across road from Lake Fulmor 1616 Comment
  CAS-BOT-BC44357  Arctostaphylos pringlei subsp. drupacea Peter H. Raven 1959-5-18 14243 Riverside Lake Fulmor, San Jacinto Mountains Comment
  RSA635646  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-16 16610 Riverside Road to Santa Rosa Mtn. (7S02), 0.5 km south of Hwy 74. 1475 Comment
  GMDRC6546  Arctostaphylos pungens J. M. Andre 2012-6-15 30498 Riverside San Jacinto Mountains: along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest 1172 Comment
  SD229131  Arctostaphylos pungens Dick Schwenkmeyer 2012-3-26 680 Riverside Mt. San Jacinto area: Lake Hemet (site #4), Highway 74, sloping hillside 1317 Comment
  UCSB4761  Arctostaphylos pungens Gill, Robert 1959-11-22 Riverside Idyllwild; San Jacinto Mt. Range; Pacific slope drainage area 1645 Comment
  RSA635996  Arctostaphylos rainbowensis Jon E. Keeley 1992-9-26 21608 Riverside W of Hwy 15, 1.5 km S of Temecula. 430 Comment
  RSA636172  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19481 Riverside West of Temecula, off Colman Rd., 0.8 km north of Carancho Rd. and west of De Luz Rd., eastern Santa Margarita Mountains. 590 Comment
  UCR90385  Arenaria douglasii Steve Boyd 1995-4-24 8480 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on N flank of Agua Tibia Mtn, at N base of Wildhorse Peak. Along the Wildhorse Trail near its junction with the Dripping Springs Trail. 610 Comment
  CAS-BOT-BC65753  Argyrochosma jonesii Dr. A. Davidson 1893-4-1 s.n. Riverside Agua Caliente [now also known as Palm Springs] Comment
  CAS-BOT-BC207126  Argythamnia lanceolata John Thomas Howell Jan. 29 1 (rest of year torn off sheet) 3298 Riverside Painted Canyon, Colorado Desert Comment
  RSA0018883  Aristida adscensionis Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6016 Riverside Chuckwalla Valley; approximately 17.5 air miles west of Blythe, on the south side of Interstate 10, about 0.4 air mile south of Wileys Well. 120 Comment
  RSA650402  Aristida adscensionis David B. Dunn, H. Lint 1955-4-1 11840 Riverside Pushawalla Canyon, Indio Hills. Top of the hill on the east side. Comment
  UC1714479  Aristida adscensionis I. M. Johnston 1918-4-27 1861 Riverside Temescal Canyon 365 Comment
  UCR148295  Aristida adscensionis 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
  SEINET10971745  Aristida adscensionis David B. Dunn 1946-3-15 Dunn 2035 Riverside Collected on dry plateau in vicinity of pushawalla canyon, indio hills. Sparse Desert scrub of larrea and franseria. With palms at the springs in the canyon. Comment
  SEINET229273  Aristida californica var. californica L. M. Shultz, JS Shultz 1985-4-15 8245 Riverside Chuckawalla Valley depression along Wiley's Well Road 122 Comment
  LA102171  Aristida purpurea John C. Roos; 1965-9-26 sn Riverside Palm Springs, in a parkway Comment
  UCSB45528  Aristida purpurea Roos, John 1951-10-19 Riverside Badlands and Old Jackrabbit trail 609 Comment
  GMDRC2029  Aristida purpurea var. fendleriana J. Andre 2006-4-6 6686 Riverside Pinto Basin: Pinto Basin: approx. 400 m. S. of Pinto Basin Rd (paved), 3 mi. SE of Twin Tanks, growing on dark granitic outcrop. Elev. 3359 ft. 1024 Comment
  CAS-BOT-BC500347  Aristida purpurea var. nealleyi A. C. Sanders; Jim Malusa 2015-3-9 41368 Riverside Sonoran (Colorado) Desert: Chocolate Mountains, along Gasline Rd at major wash crossing 1.9 mi S of Bradshaw Trail, US Navy Chocolate Mts Aerial Gunnery Range 686 Comment
  CLARK-A1528-7798  Aristida purpurea var. nealleyi John C. Roos 1949-4-11 4242 Riverside Hayfield Comment
  UC472725  Aristida purpurea var. nealleyi A. S. Hitchcock 1918-3-27 Riverside Palm Springs Colorado Desert 100 Comment
  UC573616  Aristida ternipes var. hamulosa H. S. Yates 1937-6-27 6709 Riverside Lower San Jacinto River Canyon San Jacinto Quadrangle 640 Comment
  UC573786  Aristida ternipes var. hamulosa H. S. Yates 1937-6-27 6709 Riverside Lower San Jacinto Riverside Camp San Jacinto Quadrangle Comment
  UCR219983  Artemisia californica A. C. Sanders, D. L. Sanders 2010-11-28 38702 Riverside Peninsular Range; NW Gavilan Hills, Angel Canyon Falls, above Home Gardens at the western edge of Riverside, 4.8 km NW (303 deg. ) of Lake Mathews dam, above intersection of Lincoln St. & Indiana Ave. 279 Comment
  RSA191419  Artemisia douglasiana E. W. Lathrop, R. F. Thorne 1967-9-26 6612 Riverside Tenaja Guard Station, 10 miles NW of Murrieta. Comment
  RSA575970  Artemisia douglasiana Steve Boyd 1981-1-9 s.n. Riverside Peninsular Range Gavilan Hills, narrows in central Dawson Cyn. 488 Comment
  UCR127046  Artemisia dracunculus Mitch Provance, Twoc Tran 1998-5-30 568 Riverside Jurupa Mountains, N end of 'Wilder's Canyon' (E fork of Pyrite Canyon), c. 0.25 miles SE of peak 1538. 351 Comment
  CAS-BOT-BC93765  Artemisia ludoviciana subsp. albula Edmund C. Jaeger 1922-4-21 s.n. Riverside Palm Springs, Tacquitz Canyon [Canon] Comment
  JOTR32844  Artemisia ludoviciana subsp. incompta La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1033 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; granitic bouldery slopes above wash 1260 Comment
  RSA417414  Artemisia tridentata Gary D. Wallace 1964-4-26 s.n. Riverside San Jacinto Mountains, desert side Comment
  UCD97480  Arthrocnemum subterminale K. Esau 1935-6-15 s.n. Riverside near Riverside. Comment
  CLARK-A1656-632  Asclepias albicans Lois Ann Scott 1978-4-18 Riverside Mecca Hills 304 Comment
  RSA0023092  Asclepias albicans John F. Emmel 1995-4-21 1367 Riverside Little Maria Mts., northwest end; large canyon and wash 0.4 air mile southwest of peak 2479. 488 Comment
  RSA0104745  Asclepias eriocarpa Scott D. White, Justin M. Wood 2008-7-8 12384 Riverside San Jacinto Mountains: Hurkey Creek Watershed-Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  SBBG5710  Asclepias erosa H. and M. Dearing 1938-3-5 1971 Riverside between Blythe and Desert Center Comment
  SEINET11262199  Asclepias fascicularis Norman C. Cooper 1944-7-15 1569 Riverside Palms to Pines Hwy, San Jacinto Mtns.; 0 1372 Comment
  RSA263903  Asclepias subulata C. W. Tilforth 1976-7-21 1220 Riverside Along Hwy 195 in large sandy wash, 15 miles NE of Mecca Comment
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May 29 2011
  RSA708639  Aspidotis californica Scott D. White, Brian Leatherman, James Huelsman 2005-2-14 10786 Riverside Santa Rosa Plateau area, northwest of Squaw Mtn. Terminus of Via Ranchero at San Diego County line. 823 Comment
  LA202862  Asplenium vespertinum Lawrence L. Kiefer; 1965-5-1 1530 Riverside Bluff above Temecula Creek, ca. 2 mi. SW of Radec 518 Comment
  RSA5226  Aster alpigenus var. andersonii C. B. Wolf 1932-8-5 3953 Riverside On trail from Tahquitz Valley to San Jacinto Peak; head of a fork of Tahquitz Creek. San Jacinto Mountains. 2744 Comment
  JOTR32359  Astragalus bernardinus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2474 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
  UCR18159  Astragalus didymocarpus var. dispermus A. C. Sanders 1978-4-30 00310 Riverside Santa Rosa Mtns, Pinyon Flats area, above the Dolomite Mine 1220 Comment
  LA204952  Astragalus douglasii var. parishii Elizabeth McClintock; L. Erickson 1937-11-6 sn Riverside near Lake Hemet, Palms to Pines Highway Comment
  SEINET10903588  Astragalus douglasii var. parishii Barbara J. Ertter, Jeffrey Strachen 1980-5-21 Ertter 3484 Riverside Santa rosa mt road about 2 mi s of hwy 74, rivulets on se slope. Moist granitic Sand of opeing in chaparral, t7s, r5e, sec 19. Prostrate, flowers yellow, pods, Inflated. 1585 Comment
  RSA674713  Astragalus gambelianus Scott D. White 2000-5-1 7746 Riverside Corona: Western foothills of Santa Ana Mountains near Bedford Canyon. 351 Comment
  SEINET12159899  Astragalus hornii Unknown 1936-1 12852 Riverside foothills of San Jacinto Mtns. S of Palm Springs Comment
  CAS-BOT-BC186903  Astragalus insularis var. harwoodii Peter H. Raven 1958-2-16 11625 Riverside Just west of Blythe Air Field Comment
  UC1287053  Astragalus insularis var. harwoodii C. L. Hitchcock 1966-3-21 24331 Riverside sand dunes about 15 mi s Rice (on dirt road to Blythe); s of Rice, road to Blythe Comment
  RSA776179  Astragalus insularis var. harwoodii Amber Swanson 2011-3-20 244 Riverside On Railroad tracks on Summit Rd near the Bradshaw trail 479 Comment
  POM6621  Astragalus lentiginosus var. coachellae P. A. Munz 1919-3-25 2307 Riverside Sand dunes. Whitewater. 305 Comment
  CLARK-A1528-453  Astragalus lentiginosus var. fremontii Howard Towner 1965-4-3 6504034 Riverside Palm Springs Comment
  UC862962  Astragalus nuttallianus var. imperfectus C. L. Hitchcock 1940-4-3 5935 Riverside along 29 Palms Road 1 1/2 mi ne Cottonwood Spring (Joshua Tree National Monument); , ne of Cottonwood Spring Comment
  RSA308354  Astragalus palmeri Henry J. Ramsey, Henry J. Ramsey 1938-4-22 3029 Riverside Santa Rosa Mountains. 1220 Comment
  CAS-BOT-BC194130  Astragalus pomonensis Peter H. Raven; Sidney R. Snow 1956-7-6 9656 Riverside 0.3 miles from U.W. Highway 60 on State Highway 79 on route to Gilman Hot Springs Comment
  CLARK-A1528-455  Astragalus pomonensis Ellen Predmore 1971-5-3 Riverside Gilman Hot Springs Comment
  POM11528  Athysanus pusillus P. A. Munz, I. M. Johnston 1922-5-19 5441 -a Riverside Garner Ranch, Hemet Valley. 1402 Comment
  SBBG128628  Athysanus pusillus A. C. Sanders, T. W. Chumley 2013-4-2 40745 Riverside Temescal Cyn between Horsethief Cyn Rd and Hostettler Rd, near I-15 Fwy, SE of Corona (Lee) Lake 377 Comment
  SD45170  Atrichoseris platyphylla Helen K. Sharsmith 1952-4-8 4051 Riverside Pinto Mountains near Meek Mine and ca. 2.5 miles beyond Mission Well. 580 Comment
  UCR274536  Atriplex argentea Mitch Provance, Ken Halama 2003-6-15 17045 Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  POM13772  Atriplex canescens E. C. Jaeger 1921-7-15 1189 Riverside Soboba Hot Springs Comment
  SD40818  Atriplex canescens Carl B. Wolf 1932-10-13 4303 Riverside Eagle Mountains, Cottonwood Springs. 950 Comment
  UC110326  Atriplex canescens T. S. Brandegee Nov 1891 Riverside Salton Comment
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Sep 11 2011
  UCR142799  Atriplex canescens I. M. Johnston 1917-4-4 1033 Riverside Sonoran (Colorado) Desert, near Palm Springs 183 Comment
  CAS-BOT-BC170209  Atriplex canescens subsp. canescens H. S. Gentry 1954-7-24 14249 Riverside Aguanga Comment
  UCR214711  Atriplex canescens var. macilenta A. C. Sanders 2010-3-25 37628 Riverside Sonoran (Colorado) Desert; Salton Trough, Durmid, east side of the Salton Sea, between Hwy 111 and the RR just north of the Imperial Co. line, 9 miles south of North Shore (Desert Beach), just below Bat Caves Buttes -59 Comment
  RSA532566  Atriplex coronata var. notatior D. E. Bramlet 1991-6-19 2195 Riverside The popualtion os approximatly 810m. west of the San Jacinto River. some 500m east of the intersection of Pozos Ave. anf the MWD Colorado aqueduct easement Road., The population is found some 4m north of the road. 473 Comment
  RSA557357  Atriplex coronata var. notatior Julie Greene 1993-6-11 1361 Riverside North of levee, west of Davis road. 436 Comment
  UCR159813  Atriplex coronata var. notatior Mark A. Elvin 2005-5-24 4315 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
  UCR66971  Atriplex coronata var. notatior D. E. Bramlet 1990-6-13 2034 Riverside Perris-Aguanga Basin region, c. 600 m SE of the San Jacinto Wildlife area, in dry duck ponds 2 km east of Davis Road. Population found beside a dirt road c. 100 m NE of an existing dog kennel. 473 Comment
  UCR281803  Atriplex elegans var. elegans Mitch Provance, John Hazlett 2017-4-27 417- 109 Riverside Elsinore Trough, Lake Elsinore, borderline with Wildomar, SW of Olive St and Mission Trail. 386 Comment
  POM50729  Atriplex hymenelytra E. C. Jaeger 1925-3-1 s.n. Riverside Painted Canyon, Colorado Desert 15 Comment
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Nov 6 2011
  RSA0035510  Atriplex hymenelytra Deidre Conocchioli, Duncan S. Bell 2014-3-18 262 Riverside In the Orocopia Mountains 11.6 miles NE of the Salton Sea. 1.9 miles N of the Salt Creek drainage; 0.2 miles SW of Gucci Spring. 390 Comment
  UCR228398  Atriplex hymenelytra Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-20 144 Riverside Little San Bernardino Mountains, Hwy 177, north of Desert Center and Desert Lily Sanctuary, east of Joshua Tree National Park border 274 Comment
  POM642  Atriplex lentiformis T. S. Brandegee 1901-4-3 s.n. Riverside Salton, Colorado Desert. Comment
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Sep 11 2011
  UC1136296  Atriplex lentiformis subsp. lentiformis R. St. John 1931-4-21 208 Riverside Mockingbird Canyon Corona Quad., Mockingbird Canyon Comment
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Apr 2 2011
  UCR49997  Atriplex polycarpa Theo Glenn 1984-10-2 s.n. Riverside Western Colorado Desert, Coachella Valley, Thousand Palms Oasis, in the Indio Hills 168 Comment
  UC55965  Atriplex serenana var. serenana H. M. Hall April, 1902 Riverside vicinity Winchester; vicinity of Winchester 457 Comment
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Mar 20 2011
  RSA495444  Avena barbata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2972 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  RSA774514  Avena barbata Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4467 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 W116.64315 487 Comment
  CDA42499  Azolla filiculoides F. J. Willmarth Apr 1958 s.n. Riverside Reservoir, Hemet Valley. 0 Comment
  JOTR16561  Baccharis brachyphylla Hogan, J. 1974-9-27 164 Riverside Joshua Tree National Park. RYAN CAMPGROUND 1325 Comment
  RSA89967  Baccharis brachyphylla J. C. Roos 1950-10-15 5008 Riverside San Bernardino Mtns. Dry Morongo Canyon, c. l mi south of Riverside-San Bernardino county line. 612 Comment
  SD249125  Baccharis brachyphylla Duncan S. Bell, Evan Meyer 2014-10-29 7679 Riverside Santa Rosa Mountains; collecting in Agua Alta Canyon to the north of Martinez Canyon, ca. 6.0 air miles southeast of the summit of Martinez Mountains. 394 Comment
  UCD129391  Baccharis brachyphylla J. C. Roos 1946-9-14 3008 Riverside near Dos Palmos Spring. East of Asbestos Mountain. 1066 Comment
  UCR51355  Baccharis pilularis L. F. LaPre, Jack Easton 1988-1-12 s.n. Riverside Santa Rosa Plateau, Mesa de la Punta, Santa Rosa Springs Ranch 610 Comment
  UCR138647  Baccharis salicifolia D. L. Banks 1997-2-17 1277 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
  UCR189288  Baccharis salicifolia Fred M. Roberts, S. Leatherman 2007-9-19 6591 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  UCR94240  Baccharis salicifolia Scott D. White 1996-4-14 3904 Riverside Perris Basin/San Jacinto Mtns., E of Hemet: San Jacinto River Wash near Valle Vista, north of Hwy 74, c. 1.7 mi west of USFS Cranston Fire Station 549 Comment
  JEPS21296  Baccharis salicifolia subsp. salicifolia W. L. Jepson Oct 22 1912-Nov 7 1912 5266 Riverside Palo Verde Valley Colorado River, Palo Verde Valley 45 Comment
  UC1118894  Baccharis salicifolia subsp. salicifolia A. Lewis 1934-2-1 303 Riverside 2 mi ne Auburndale; Corona Quadrangle 152 Comment
  CAS-BOT-BC99821  Baccharis sarothroides Carl B. Wolf 1932-10-13 4310 Riverside Colorado Desert. Eagle Mts. Cottonwood Springs 289 Comment
  UCR260956  Baccharis sarothroides Duncan S. Bell 2013-1-30 4438 Riverside Sonoran (Colorado) Desert, the Mecca Hills, an unnamed canyon between Thermal Canyon and Painted Canyon, just to the west of Mecca Hills Peak 1642 138 Comment
  LA203007  Baccharis sergiloides Flora Murray Scott; 1928-4-2 sn Riverside Marongo Comment
  UCR196167  Baccharis sergiloides R. F. Thorne 1966-10-15 41819 Riverside Colorado Desert: Western Colorado Desert region/San Jacinto Mountains, Dead Indian Canyon, near Palm Desert at foot of Palms to Pines Hwy 366 Comment
  CAS-BOT-BC295891  Bahiopsis parishii Lewis S. Rose 1935-12-23 35701 Riverside Colorado Desert. Above Deep Canyon, San Jacinto Mts., 22 mi. S. of Cathedral City 1066 Comment
  CAS-BOT-BC295894  Bahiopsis parishii Marcus E. Jones 1930-3-15 s.n. Riverside Eagle Mountains, Northern Colo. Desert Comment
  SBBG22834  Bahiopsis parishii D. Myrick 1965-3-4 1078 Riverside Palms to Pines St Hwy 74 609 Comment
  UCR264212  Bahiopsis parishii A. C. Sanders 2015-9-11 41872 Riverside Sonoran (Colorado) Desert, Bradshaw Trail at border of Chocolate Mountains Aerial Gunnery Range, 2.25 miles east of Gasline Rd. 646 Comment
  SD46162  Baileya pauciradiata Francia Chisaki, Howard Arnott and John Ingram 1955-4-18 631 Riverside 5.6 miles southeast of turn-off to Thousand Palms on Highway 60. Comment
  UCD129501  Baileya pauciradiata Richard Bates 1949-4-26 s.n. Riverside Cathedral City, southwest of Palm Springs. Comment
  UCSB10340  Baileya pauciradiata Gunnerson, Robert 1953-3-21 Riverside 9 miles east of Indio 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
  UCR156472  Barbarea orthoceras T. B. Salvato, A. C. Sanders 2005-5-17 887 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
  POM350775  Bebbia juncea Ora M. Clark 1929-3-16 1717 Riverside N. of Whitewater Comment
  RSA792934  Bebbia juncea var. aspera Aaron C. Sedgwick, Joella Simons Adkins 2012-10-23 142 Riverside Off of Corn Springs Rd. in the Chuckwalla Wilderness and Chuckwalla Mtns. South of Hwy. 10 ~4 mi. In a wash running north-south. 427 Comment
  UC1281253  Bebbia juncea var. aspera H. E. McMinn 1935-6-27 4057 Riverside Palm Canyon region Palm Canyon Comment
  UC729730  Bebbia juncea var. aspera Carl B. Wolf 1932-4-27 1476 Riverside 14 mi e of Mecca (on Blythe Road (e of Shavers Well), Colorado Desert); Colorado Desert, Blythe Road 152 Comment
  UC667315  Bernardia incana Annie M. Alexander and Louise Kellogg 1941-5-10 2144 Riverside small canyon 3 mi. n.e. Cottonwood Spring (Eagle Mts.); Colorado Desert, Eagle Mts. 1036 Comment
  UCR13719  Bernardia myricifolia N. R. Zabriskie, W. W. Zabriskie 1971-4-9 364 Riverside Peninsular Range; Santa Rosa Mtns., north slope of mtns., Deep Canyon, c. 2 mi. up water service road leading south of Hwy 74. Site 2 1311 Comment
  UCR207569  Beta macrocarpa O. F. Clarke 2004-5-7 s.n. Riverside Peninsular Range; San Jacinto Valley, San Jacinto Wildlife Area 442 Comment
  CAS-BOT-BC102026  Bidens laevis A. C. Sanders; Mitch Provance; B. Pitzer 2000-9-27 23679 Riverside Santa Ana River Valley: SW side of Mt. Rubidoux, NW of intersection of Tequesquite Ave. and Gregory Rd. , near confluence of Arroyo Tequesquite and the river 232 Comment
  RSA736760  Bidens laevis Scott D. White, Lynn Stafford 2007-6-27 11752 Riverside Chino Hills State Park: Santa Ana River floodplain just below Prado Dam. 134 Comment
  UCR100440  Bloomeria crocea B. G. Pitzer 1997-4-20 3199 Riverside Lakeview Mtns, Pulsar View Road, c. 1/2 mi. up from the base of the hills (at end of Warren St.) c. 1 mi. (air) north of Juniper Flats (Contour) Rd. 549 Comment
  UC64654  Boechera H. M. Hall 1901-6 2425 Riverside near Tauquitz; San Jacinto Mountains 2621 Comment
  RSA734504  Boerhavia coccinea M. Wall 2008-6-20 464 Riverside San Jacinto River, east of Hemet off Hwy 74, ca. 2.0 miles east of the Cranston Ranger Station. 639 Comment
  SD181442  Boerhavia coccinea Scott D. White 1999-4-20 7276 Riverside Blythe area; southern foothills of the Big Maria Mts., northwest of Calif. Hwy. 95, ca. 7 road miles north of Interstate 10-Intake Blvd. junction in Blythe. 89 Comment
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Aug 21 2019
  JOTR30694  Boerhavia intermedia La Doux, Tasha, Jim Andre 2008-9-13 265 Riverside Joshua Tree National Park. Upper Wilson Canyon on E. side of paved Hwy 991 Comment
  CAS-BOT-BC434534  Boerhavia triquetra Edmund C. Jaeger 1931-10-25 s.n. Riverside 2 miles north of Lost Horse Mine, crossroads of Lost Horse-Stubby Springs road, Little San Bernardino Mountains Comment
  CAS-BOT-BC434549  Boerhavia wrightii Schellinger 1904-10-15 s.n. Riverside Plack [Black] Point, Palo Verde Valley Comment
  SEINET4565926  Boerhavia wrightii Duncan S. Bell 2011-10-22 3004 -A Riverside Sonoran (Colorado) Desert; Arica Mountains, west side of range, c. 2.6 air miles west of Priests Well, c. 6.8 air mi. SW of Rice 437 Comment
  UCSB56348  Bolboschoenus maritimus Thorne, Robert; Munz, Philip; Lathrop, Earl 1968-5-8 Riverside Lake Elsinore: at SE end of Lake Elsinore, ca. 1 mi. S of Elsinore Comment
  UCR277699  Bolboschoenus maritimus subsp. paludosus Mitch Provance 2012-11-3 1112- 05 Riverside San Timoteo Canyon, West Beaumont, N side of Oak Valley Parkway (San Timoteo Canyon Rd.), 1.5 miles W of I-10. 709 Comment
  RSA129300  Bothriochloa barbinodis A. Lewis 1934-04 375 Riverside Tin Mine Canyon. 457 Comment
  CLARK-A1656-861  Bouteloua barbata Jon Mark Stewart 1983-10-3 83-89 Riverside Indio Hills Comment
  RSA725437  Bouteloua barbata Michael Wall 2007-11-2 441 Riverside San Jacinto Valley; Bautista Rd.; roadside along grapefruit orchards, ca. 2.2 miles SE of jct. with Fairview Ave. 615 Comment
  RSA773657  Bouteloua barbata Duncan S. Bell, J. D. England 2010-10-5 1976 Riverside San Bernardino National Forest: Garner Valley, approximately 2.6 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1387 Comment
  JEPS29308  Bowlesia incana Rimo Bacigalupi and L. Heckard 1962-3-25 8403 Riverside about 10 air mi nw of Elisnore (above Temescal Wash, near Arcilla siding of A.T. & S.F. Railway, just above state highway 71); A.T. & S.F. Railway 289 Comment
  UCR172208  Bowlesia incana John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley; small unnamed drainage in agricultural field along Leon Road [San Diego Aqueduct right of way] between Van Gaale Lane and Borel Road 412 Comment
  SEINET3082942 Image available Brandegea bigelovii Barbara Gayle Pitzer 1998-1-24 3390 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
  UCR103555  Brandegea bigelovii George K. Helmkamp, E. A. Helmkamp 1998-1-17 2530 Riverside Coachella Valley, Bob Hope Drive, 0.9 mi south of Hwy I-10 43 Comment
  POM90998  Brandegea bigelovii E. C. Jaeger 1925-12-20 s.n. Riverside Fish traps. 3 Comment
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Feb 3 2011
  UCR243178  Brassica juncea A. C. Sanders 2013-4-29 40807 Riverside Riverside, UCR campus, near greenhouses SW of Herbarium 360 Comment
  SFV15631  Brassica nigra M. Merchant 1992-4-17 3 Riverside Santa Ana River bottom. End of Rubidoux Ave. in Riverside, 0.5 miles from river. 250 Comment
  RSA543311  Brassica tournefortii Steve Boyd 1991-3-17 5485 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
  RSA618764  Brassica tournefortii L. C. Wheeler 1976-3-30 s.n. Riverside San Jacinto Mountains: Snow Canyon. 457 Comment
  JOTR01239  Brickellia arguta var. arguta Cole, James E. 1942-5-19 959 Riverside Joshua Tree National Park. RUBY LEE WASH 914 Comment
  UC597720  Brickellia atractyloides Philip A. Munz 1937-5-29 15150 Riverside Deep Canyon Santa Rosa Mts. 1066 Comment
  RSA592445  Brickellia desertorum L. C. Wheeler 1966-10-15 8986 Riverside San Jacinto Mountains. Carrizo Creek, off Dead Indian Canyon. 854 Comment
  UC1010312  Brickellia desertorum John and Lucille Roos 1950-9-30 4995 Riverside 3 mi n of Elsinore (hills midway between Steele Pk. and Elsinore) 487 Comment
  SEINET7048183  Brickellia desertorum Steven R. Hill 2001-5-3 33692 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  SD135112  Brickellia oblongifolia var. linifolia Craig Reiser, Dylan Hannon 1993-5-30 Riverside Near Santa Rosa Peak Comment
  RSA70127  Brodiaea filifolia F. W. Peirson 1922-5-19 3070 Riverside 2 miles southeast of Perris Comment
  UCR211703  Brodiaea filifolia Fred M. Roberts, Kerry M. Byrne 2006-5-9 6332 Riverside Perris Basin, Old Salt Creek drainage, east side of California Ave, c. 0.2 km southeast of the junction of California Ave. and Stowe Road and 2.2 km southwest of the west end of Hemet Ryan Airport runway 455 Comment
  UCR88420  Brodiaea filifolia D. E. Bramlet 1995-5-24 2426 Riverside San Jacinto Wildlife Area: Lovell Unit, c. 1.7 km NE of Lakeview. 152 m east of Davis Rd. and 34 m south of the existing access road, 200 m N of the San Jacinto River channel 436 Comment
  LA13699  Bromus arenarius F. M. Reed; 1906-6-14 1007 Riverside San Bernardino Mountains, Smith backs in Carnshead grade (?) Comment
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Jan 18 2014
  UCD34817  Bromus arizonicus Beecher Crampton 1963-5-7 6778 Riverside Riverside County, Riverside, jct. of Pennsylvania and Iowa aves.. Comment
  UCR9396  Bromus carinatus D. H. Wilken 1965-6-29 361 Riverside San Jacinto Mtns, Strawberry Meadows, near Idyllwild 1555 Comment
  UCR90825  Bromus diandrus A. C. Sanders, G. K. Helmkamp 1996-3-17 17988 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
  RSA0042648  Bromus diandrus Margaret Murphy 1983-4-15 0004 -A Riverside Located in the north section of parcel 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  RSA495792  Bromus diandrus subsp. triangularis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-11 2899 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 390 Comment
  UCR20874  Bromus hallii A. C. Sanders 1978-7-3 875 Riverside San Jacinto Mountains, along old fire road between the James Reserve and the Black Mountain Road 1677 Comment
  RSA500985  Bromus hordeaceus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3104 Riverside Vail Lake area, dried bed of man-made pond and adjacent slopes at N base of rounded knob 1.25 miles WSW of dam. 610 Comment
  RSA595259  Bromus hordeaceus D. L. Banks, Elizabeth Hedge Banks 1996-5-2 962 -B Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, At the gate to the University of California-Emerson Oaks Reserve. 451 Comment
  RSA678941  Bromus madritensis Scott D. White, Michael Honer 2003-6-3 9485 Riverside Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  HSC79575  Bromus madritensis subsp. rubens Paul Bailey 1972-5-14 120 Riverside 5 mi. NE of Temecula near Rancho Calif. Dr., Tucalota Hills 457 Comment
  POM15214  Bromus marginatus Mary F. Spencer 1922-6-27 1985 Riverside Idyllwild. San Jacinto Mountains. 1707 Comment
  RSA1446770  Bromus marginatus William McKinley Klein 1960-8-22 1586 Riverside North of Idyllwild along trail to Suicide Rock and Mt. San Jacinto, San Jacinto Mountains. Comment
  RSA326154  Bromus orcuttianus var. hallii John F. Emmel 1981-5-25 771 Riverside San Jacinto Mountains; Idyllwild along Southgate Circle Drive ca. 1 mile from Highway 243. 1677 Comment
  UCR138913  Bromus rubens Julie A. Greene 1993-4-3 1099 Riverside San Jacinto Valley, San Jacinto Wildlife Area, south of permanent pond 441 Comment
  OBI35843  Bromus sitchensis J. & L. Roos, L. Roos 1954-5-29 6122 Riverside Cyn 1 mi SE of summit of Reche Cyn 686 Comment
  SD136964  Bromus tectorum Steve Boyd, Tim Ross, Dave Bramlet 1993-5-13 7381 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approx. 1 mile. 410 Comment
  CLARK-A1528-4567  Bromus unioloides Alfred R. Roos 1937-11-13 Riverside Riverside 243 Comment
  SD126469  Caesalpinia spinosa Oscar F. Clarke 1988-11-23 Riverside Cultivated on Victoria Avenue between St. Lawrence & Adams Streets Comment
  RSA498303  Caesalpinia virgata Robert L. Dressler 1949-3-19 394 Riverside Box Canyon, Orocopia Mts. Comment
  RSA676052  Caesalpinia virgata Scott D. White 2001-4-3 8260 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  UCR86192  Caesalpinia virgata A. C. Sanders 1995-5-23 17125 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fans below the Santa Rosa Mountains, near the mouth of Martinez Canyon, at end of 72nd Avenue 25 Comment
  POM91013  Caesalpinia virgata E. C. Jaeger 1925-12-20 s.n Riverside Fish traps. 3 Comment
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Feb 3 2011
  RSA612489  Calandrinia ciliata D. L. Banks 1997-2-23 1328 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  UCR106875  Calandrinia ciliata Michael A. Patten 1993-2-27 s.n. Riverside Paloma Valley, along Garboni Rd, just east of Antelope Rd. 450 Comment
  UCR117218  Calandrinia ciliata B. G. Pitzer 2000-4-20 4126 Riverside Mead Valley, Air Force property bordering Nandina Road, across from (N of) the T-intersection with Brown Street. 515 Comment
  UCR121784  Calandrinia ciliata A. C. Sanders, Carolyn Washburn 2001-4-17 24033 Riverside San Jacinto Valley, west edge of Hemet, SW corner of Florida Ave. (Hwy 74) and Warren Rd. 457 Comment
  UCR162412  Calandrinia ciliata S. J. Myers, Chet McGaugh 2003-4-7 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1098 Comment
  UCR60549  Calandrinia ciliata var. menziesii R. F. Thorne, M. Z. Thorne, W. Wisura 1978-5-21 52008 Riverside Santa Rosa Plateau, Mesa de Colorado 610 Comment
  CAS-BOT-BC85766  Calocedrus decurrens George B. Grant 1901-1-1 691 Riverside San Jacinto Mountains, S. Cal. 914 Comment
  CAS-BOT-BC85772  Calocedrus decurrens Carl Epling 1931-10-4 246 Riverside Strawberry Valley, San Jacinto Mts. 1584 Comment
  SD82892  Calocedrus decurrens Larry E. De Buhr 1972-2-25 500 Riverside Santa Rosa Mountains, along forest Road 7S02 above Cedar Springs 2345 Comment
  UCSB10556  Calocedrus decurrens Ralph, F. 1959-5-16 Riverside Near the foot if Devil's Slide Trail entering the Wilderness area of Mt. San Jacinto State Park 1828 Comment
  RSA369048  Calochortus invenustus Anstruther Davidson s.n. Riverside Mt. San Jacinto. 2134 Comment
  SBBG22198  Calochortus palmeri var. munzii H. and M. Dearing 1940-6-9 4362 Riverside Palms to Pines Hwy, near Herkey Crk Comment
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Nov 27 2012
  RSA773595  Calochortus plummerae Duncan S. Bell, Ryan Parker 2010-6-15 1307 Riverside San Bernardino National Forest: Rouse Ridge, approximately 0.9 air mile southeast of junction of Highway 74 and forest service road 5S15., Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 740 Comment
  UC454390  Calochortus plummerae I. J. Condit 1910-6-21 Riverside San Jacinto Mts. 609 Comment
  UCR121085  Calochortus plummerae A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24962 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UCR217557  Calochortus plummerae Jeff B. Galvin 2008-3-19 71 Riverside Peninsular Ranges, foothills of the San Jacinto Mountains, Potrero. One drainage west of Potrero Creek 700 Comment
  RSA496570  Calochortus splendens Bill Wagner 1988-4-5 s.n. Riverside NW of Murrieta. 381 Comment
  POM351420  Calycoseris wrightii M. B. Dunkle 1937-3-25 4915 Riverside Colorado Desert. Shaver's Well Comment
  RSA554368  Calycoseris wrightii Theo Glenn 1992-3-31 92 -14 Riverside N side Eagle Mts, Storm Jade Mine. Comment
  UC63436  Calyptridium monandrum H. M. Hall 1904-5-16 4944 Riverside vicinity of Riverside (Fairmount Park); Fairmount Park 243 Comment
  UC7750  Calyptridium monandrum H. M. Hall June, 1901 2050 Riverside vicinity of Chalk Hill; San Jacinto Mountains 1402 Comment
  UCR202234  Calyptridium monandrum 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
  UCR16647  Calyptridium monospermum Pam Maynard 1974-5-26 s.n. Riverside San Jacinto Mtns., Idyllwild, Humber Park trail 2744 Comment
  UC1618032  Calyptridium parryi Donald G. Nelson 1935-5-21 366 Riverside e. lake Hemet (and n. of Mt. Thomas, slopes just n. of meadow in valley just e. of Hurkey Creek Cap <camp ?> area); San Jacinto Mts. Comment
  SBBG54338  Calystegia macrostegia subsp. arida C. Davidson 1977-5-25 5655 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
  RSA557898  Calystegia macrostegia subsp. intermedia Steve Boyd, Orlando Mistretta, Bob Boyd 1992-4-22 7017 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
  SDSU13485  Calystegia macrostegia subsp. intermedia C. Matt Guilliams, Linz, Tahirih 2000-4-29 Riverside Insect trail at Santa Margarita Ecological Reserve, approx. 1.5 miles NE of Gavalin Mountain. 354 Comment
  RSA784782  Camissonia Duncan S. Bell 2012-3-18 3186 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  UCR118780  Camissonia A. C. Sanders, G. K. Helmkamp 1997-3-15 19931 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 518 Comment
  CSUSB951  Camissonia bistorta Charlotte M. Bringle, Heather Johnston 1967-4-22 Riverside Near Lake Elsinore, 2.2 miles south of Santa Fe overpass on Highway 71, and 50 feet south of Glen Eden mail box. In canyon. Comment
  UCR117089  Camissonia bistorta A. C. Sanders, T. B. Salvato 2001-5-16 24297 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  UCR127330  Camissonia bistorta A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25839 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  RSA135608  Camissonia brevipes subsp. brevipes Peter H. Raven 1958-1-25 11483 Riverside 11.3 miles W of Shavers Summit. Comment
  RSA485834  Camissonia brevipes subsp. brevipes T. S. Elias 1988-2-26 10678 Riverside Eagle Mountains. East of Joshua Tree National Monument. Comment
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Mar 21 2011
  UCR227000  Camissonia californica Jim Andre 2011-2-2 16221 Riverside Coachella Valley, mouth of Big Morongo Wash, 1 mi east of Hwy 62, just north of North Indian Canyon Road, west of Desert Hot Springs, 7.5 mi north of Hwy I-10 487 Comment
  RSA651689  Camissonia cardiophylla Viki Cruz 1983-5-8 013 *k Riverside Collected at the end of a one mile dirt road off Indian Trail Road at the base of Magnesia Canyon, Santa Rosa Mts. Comment
  RSA744302  Camissonia cardiophylla M. Wall 2009-4-5 502 Riverside Plants in Ladder and Painted Canyons east of Mecca. 231 Comment
  CHSC8447  Camissonia chamaenerioides Edward Laidlaw Smith 1958-3-21 377 Riverside 6 mi. s. Rice, near Priest's Well. Little Santa Maria Mt. Range. Colorado River drainage area. 365 Comment
  UCR144746  Camissonia claviformis Scott D. White 2001-4-18 8364 Riverside Sonoran (Colorado) Desert, Coachella Valley, Palm Springs, NE corner of Sunrise Drive and San Raphael Drive 165 Comment
  UCR275137  Camissonia claviformis David Fraker, Aaron C. Sedgwick 2012-4-4 063 Riverside Sonoran (Colorado) Desert, south of Joshua Tree National Park, north of Hwy I-10 on powerline road, 0.5 mi west of Cottonwood Springs Road 522 Comment
  POM126250  Camissonia claviformis subsp. aurantiaca Thomas Craig 1927-2-6 37 Riverside Canyon near Hidden Springs, Colorado Desert. Comment
  POM265180  Camissonia claviformis subsp. aurantiaca I. L. Wiggins 1937-3-9 8764 Riverside Sand dunes 20 miles north of Indio. Comment
  RSA135304  Camissonia claviformis subsp. aurantiaca Peter H. Raven 1958-1-25 11476 Riverside Box Canyon 5.5 miles south-east of Painted Canyon turnoff. Comment
  UCR226910  Camissonia claviformis subsp. aurantiaca Jim Andre 2011-2-2 16211 Riverside Coachella Valley, west of Palm Springs along Hwy 111 (south side) at base of San Jacinto Mtns at Windy Point 5.5 mi from junction with Hwy I-10 259 Comment
  UCR233180A  Camissonia claviformis subsp. aurantiaca Jim Andre, Glenn L. Clifton 2011-2-22 17425 Riverside Mecca Hills, along Box Canyon Road, 8.5 mi northeast of town of Mecca 171 Comment
  SDSU3352  Camissonia confusa H. Wedberg 1958-3-31 203 Riverside 10.3 miles south of Hwy 74 in Hemet, on Hwy 79. Comment
  UCR104923  Camissonia confusa A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20659 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  UCR23517  Camissonia confusa John C. Roos 1943-5-23 2662 Riverside S Mojave Desert, Little San Bernardino Mtns 1524 Comment
  UCR116886  Camissonia graciliflora A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24217 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
  UCR260566  Camissonia hirtella T. B. Salvato 2014-5-29 8036 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
  RSA524479  Camissonia ignota Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4043 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA683858  Camissonia ignota Scott D. White, Michael Honer 2003-4-4 8963 Riverside Temescal Valley: Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  UCR258630  Camissonia ignota T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7895 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon 555 Comment
  POM6697  Camissonia pallida subsp. hallii P. A. Munz, L. T. Street, G. Williams 1919-3-28 2363 Riverside San Gorgonio Pass, near Banning 701 Comment
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Sep 12 2011
  POM6425  Camissonia pallida subsp. pallida P. A. Munz, L. T. Street, G. Williams 1919-3-28 2360 Riverside San Gorgonio Pass, near Cabazon 543 Comment
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Mar 13 2011
  RSA716402  Camissonia strigulosa Scott D. White, Angelia Carey 2004-4-5 10012 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  UC20546  Camissonia strigulosa Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  UCSB40002  Camissoniopsis bistorta Sauls, Mary 1978-4-15 Riverside 0.5 miles south of Glen Eden Road on Calif. Hwy 71 Comment
  SD185271  Camissoniopsis pallida A. C. Sanders, J.. Dice, K. C. Rose, D. Woodard 1995-3-29 16252 Riverside San Jacinto Mountains; Sonoran (Colorado) Desert; San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village (White Water 7.5'Q) 381 Comment
  SEINET2049005 Image available Carduus pycnocephalus A. C. Sanders, B. Pitzer 1987-4-21 7049 Riverside Box Springs Mountains, Summit of Pigeon Pass Road, Riverside East 7.5' Quad. 579 Comment
  UCR194821  Carduus pycnocephalus Scott D. White 2006-5-19 11478 Riverside Perris Basin/San Jacinto Mtn Foothills, [Santa Rosa Hills, c. 2 miles south of Hemet, c. 1 mile east of State St., vicinity of Hemet Butte and Gibbel Road] 610 Comment
  CHSC114442  Carex abrupta P. F. Zika; Nick Otting 2010-8-3 25241 Riverside Vicinity of Willow Creek. San Jacinto Wilderness Area, San Jacinto Mountains (SnJt), Peninsula Ranges. 2550 Comment
  RSA770448  Carex alma Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4560 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SEINET6654137  Carex athrostachya Scott D. White, Justin M. Wood 2008-6-18 12222 Riverside San Jacinto Mountains, K Flat Meadow.; 0 1433 Comment
  RSA680527  Carex fracta Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8646 Riverside Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  SBBG59305  Carex multicaulis R. Hoffmann 1929-9-8 Riverside San Jacinto Mtns 2133 Comment
  SEINET7572200 Image available Carex praegracilis A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18119 Riverside San Bernardino Mtns, Morongo Indian Reservation, vicinity of natural pond & bog at SE edge of Burro Flats. 1097 Comment
  UC1931228  Carex praegracilis Scott D. White, Justin Wood 2008-6-19 12281 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. (Idyllwild) Comment
  CAS-BOT-BC117866  Carex sartwelliana C. Epling; Wm. Robison 1935-6-30 s.n. Riverside N. Fork San Jacinto River. Comment
  SEINET3386517 Image available Carrichtera annua Fred M. Roberts 2007-1 6512 Riverside Southern Coast: Carlsbad, La Costa Greens Ecological Reserve, east side of El Camino Real c. 2 Km south of Palomar Airport Rd. 52 Comment
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Nov 20 2014
  UCD105617  Cassia nemophila A. C. Sanders; K. C. Rose 1999-5-28 22794 Riverside Coachella Valley: between La Quinta and Indio, along Jefferson St. between Ave 54 and I-10. 10 Comment
  CAS-BOT-BC353428  Castela emoryi Marcus E. Jones 1929-9-16 24964 Riverside Near Desert Center Comment
  RSA575879  Castilleja affinis Steve D. Boyd 1981-3-11 s.n. Riverside Gavilan Hills region, northern flank of Estelle Mountain along fence line between T5S R5W sec. 32 at access road up from Dawson Canyon. 732 Comment
  SD70378  Castilleja affinis L. R. Heckard 1953-5-5 388 Riverside Along California highway 79, 5.7 miles south of Hemet, at edge of hills Comment
  POM307284  Castilleja applegatei subsp. martinii Henry J. Ramsey, Henry J. Ramsey 1937-5-30 s.n. Riverside Santa Rosa Mountains. Comment
  SD229283  Castilleja applegatei subsp. martinii Dick Schwenkmeyer 2012-4-17 686 Riverside Mt. San Jacinto: Vista Grande, 2 miles south of U.S. Forestry station on Highway 243 north of Idyllwild 1618 Comment
  UC64212  Castilleja applegatei subsp. martinii H. M. Hall Jul 1901 2580 Riverside Tauquitz Valley; San Jacinto Mountains 2133 Comment
  JOTR35436  Castilleja chromosa Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 42 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W of Juniper Flats, SW of Quail Mtn Comment
  RSA715072  Castilleja exserta A. C. Sanders 2005-4-22 29616 Riverside Gavilan Hills: Gavilan Plateau ca. 0.75 air mi. SE of summit of Gavilan Peak. 625 Comment
  JEPS16164  Castilleja foliolosa Rimo Bacigalupi with L. R. Heckard and C. L. Custer 1953-5-5 4068 Riverside Canyon sides along Morongo Creek, along highway between Morongo Valley and Coachella Valley. 685 Comment
  JEPS8770  Castilleja foliolosa W. L. Jepson May 17 1901-Jun 1 1901 1417 Riverside VanDeventer's Ranch Santa Rosa Mts., Vandeventer Flat 1493 Comment
  POM10107  Castilleja foliolosa Charlotte M. Wilder 1904-4-27 s.n. Riverside Wilder's Canyon, Jurupa Hills. Comment
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Apr 2 2011
  POM4334  Castilleja minor subsp. spiralis Crawford, J. M. Johnston 1917-6-9 1222 Riverside Santa Ana River Comment
  UC64211  Castilleja minor subsp. spiralis H. M. Hall 1901-7-24 2542 Riverside n side San Jacinto Mountains Comment
  CLARK-A1045-124  Caulanthus cooperi George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep Canyon; Palm Desert 15'Q Comment
  RSA717615  Caulanthus heterophyllus Scott D. White 2006-4-27 11304 Riverside Santa Rosa Hills, S. of Hemet. 549 Comment
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Feb 5 2020
  SDSU14029  Caulanthus heterophyllus Tarja Sagar 2000-5-20 30 Riverside SMER. 50 m WSW from north Field Station. 332 Comment
  UCR97496  Caulanthus heterophyllus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19879 Riverside Peninsular Range, Lake Skinner area; lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 Comment
  HSC87227  Caulanthus lasiophyllus Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2172 Riverside Palen Pass at the N end of the Palen Mtns. 500 Comment
  UCR275751  Caulanthus lasiophyllus Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy 2011-3-24 855 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains Wilderness, off Corn Spring Road, main wash adjacent to Corn Spring Road, draining from Corn & Aztec Springs, 396 Comment
  RSA0054958  Ceanothus Keith E. Hoffmaster 1932-1 502 Riverside Santa Ana Mts. [Orange or Riverside]. Comment
  CDA1657  Ceanothus crassifolius Mike Lahti 2007-5-31 PDR# 1361019 Riverside Murrieta; 26550 Pabesu Rd. Jo-Dan Farms Nursery. Comment
  UC494719  Ceanothus crassifolius Philip A. Munz 1932-3-24 12028 Riverside s Lake Elsinor (base of mts.) 365 Comment
  UCR155317  Ceanothus crassifolius A. C. Sanders, Mike Misenhelter 2005-3-23 29254 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR160056  Ceanothus cuneatus var. cuneatus Steve Boyd, Valerie Soza 2004-6-22 11542 Riverside Peninsular Ranges; San Jacinto Mountains region, Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along Forest Service Road 5N13 near 5N06 1463 Comment
  UC527223  Ceanothus greggii var. perplexans C. B. Wolf 1931-5-11 Riverside above Hemet Valley (near Pipe Creek.); San Jacinto Mts. 1676 Comment
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Mar 24 2011
  HSC86124  Ceanothus integerrimus Dean Carpenter 1981-6-4 24 Riverside James Reserve, San Jacinto Mtns. 1646 Comment
  UC218073  Ceanothus leucodermis P. A. Munz and I. M. Johnston 1922-5-19 5401 Riverside Mountain side at mouth of Strawberry Canyon San Jacinto Canyon 1127 Comment
  UCR168138  Ceanothus leucodermis T. B. Salvato, John F. Green 2004-5-27 648 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  UCSB26101  Ceanothus leucodermis Gliessman, Stephen 1968-7-17 Riverside 50 yards east of Little Thomas Mountain Road, 3.9 miles north of junction with Highway 74, Little Thomas Mountain 1554 Comment
  UC1070901  Ceanothus oliganthus var. oliganthus A. Lewis May 1934 412 Riverside Trabuco Canyon Elsinore quad., Cleveland Nat. For. 1371 Comment
  RSA569984  Ceanothus ophiochilus Steve Boyd, Kyle Boyd 1993-3-28 7918 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
  RSA583377  Ceanothus ophiochilus Steve Boyd, Darin Banks 1995-2-16 8404 Riverside Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain on break in slope on ridgeline east of the upper end of the old Woodchuck Truck Trail road grade, just north of the San Diego County line. 1098 Comment
  SD229242  Ceanothus palmeri Dick Schwenkmeyer 2012-4-17 692 Riverside Mt. San Jacinto: Vista Grande, 2 miles south of U.S. Forestry station on Highway 243 north of Idyllwild 1618 Comment
  CAS-BOT-BC51930  Ceanothus perplexans Dr. A. Davidson 1892-5-1 s.n. Riverside Banning Comment
  HSC101778  Ceanothus perplexans J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13198 Riverside 1470 Comment
  UCR84591  Ceanothus perplexans Scott D. White, S. Ogg 1994-4-21 1973 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  OBI45339  Ceanothus tomentosus Dave Hawks 1987-3-2 s.n. Riverside S of Hemet, intersection of Palm Ave. and Saddle Ridge Trail Comment
  UCR46712  Ceanothus tomentosus D. C. Hawks 1987-3-2 s.n. Riverside Peninsular Range; San Jacinto Mtns. Region, south of Hemet, [near confluence of Pixley Canyon and Goodhart Canyon] intersection of Palm Ave. and Saddle Ridge Rd. 473 Comment
  CLARK-A1656-841  Cenchrus echinatus Jon Mark Stewart 1983-10-24 83-46 Riverside Palm Desert 60 Comment
  CAS-BOT-BC284480  Centaurea solstitialis Jerry Miller 1993-10-14 s.n. Riverside March Air Force Base, Moreno Valley near Hwy 215 Comment
  UCR180128  Centaurea solstitialis A. C. Sanders, Steve Boyd, Mark A. Elvin, Dean Kelch 2006-12-8 33257 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, north side of Mesa de Colorado at drainage (headwaters of Cole Cyn.) crossing Via Volcano just south of Tenaja Rd. 598 Comment
  OBI59578  Centaurium calycosum L. A. McGill & H. S. Gentry, H. S. Gentry 1979-5-25 2555 Riverside Murrieta; Howard Scott Gentry Experimental Research Ranch Comment
  RSA356643  Centaurium venustum Robert F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47297 Riverside Santa Rosa Plateau: Cleveland National Forest, along Tenaja Creek at Tenaja Guard Station. Comment
  RSA735072  Centaurium venustum Scott D. White, Angelia Carey 2004-6-4 10477 -A Riverside San Jacinto Mountain foothills: San Jacinto River wash and adjacent alluv. benches, near Indian Creek confluence. 503 Comment
  CAS-BOT-BC248870  Centromadia pungens subsp. laevis Jeremiah George 2012-7-9 s.n. Riverside San Timoteo Canyon, west side of San Timoteo Canyon Rd., NE corner of Fisherman's Retreat Lake 597 Comment
  RSA0008430  Centromadia pungens subsp. laevis Scott D. White 2009-8-10 13347 Riverside Temescal Valley: City of Temecula, West bank of Murrieta Creek, from Rancho Califonria Rd to Cherry St. 306 Comment
  UCR217652  Centromadia pungens subsp. laevis Karyn L. Drennen 2010-6-10 11 Riverside Santa Ana Mountains foothills, Murrieta Creek, 320 m southeast of Clinton Keith Road bridge. 363 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
  UCR261195  Centromadia pungens subsp. laevis A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-5-18 41715 Riverside Esinore, SE quarter of large vacant lot between Hwy 74 and Enterprise Way, a short distance NE of the drain from Lk. Elsinore to Temescal Canyon, S of the end of Enterprise and W of the end of Pasadena St. 387 Comment
  RSA0087147  Centromadia pungens subsp. laevis F. W. Peirson 1924-6-21 4762 Riverside Near Temecula. 335 Comment
  RSA198954  Cerastium glomeratum R. F. Thorne, O. Clark, S. Carlquist 1968-4-18 37428 Riverside Santa Rose Plateau: Mesa de Colorado, Rancho California. 671 Comment
  UCR109643  Ceratophyllum demersum T. W. Fisher, R. E. Orth 1964-6-25 s.n. Riverside San Jacinto Mtns., Lake Hemet near stream 1311 Comment
  RSA405363  Cercidium floridum W. Hutchinson 1926-4-1 s.n. Riverside Palm Springs. Comment
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Apr 1 2019
  SEINET10738002  Cercidium microphyllum J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12861 Riverside Joshua Tree National Park; along road between Twenty-nine Palms and southern exit to I-10; ca 25 km north of Cottonwood Pass. Comment
  RSA650397  Cercocarpus betuloides C. J. Humphrey, Herbert Humphery, E. T. Bartholomew 1936-6-7 130 Riverside In desert foothills 16 miles north of Riverside. 396 Comment
  CAS-BOT-BC135494  Cercocarpus betuloides var. betuloides A. C. Sanders; N. Ferguson 1994-6-2 14625 Riverside San Jacinto Mountains: Bautista Canyon ca. 1 mile above the foerst service boundary. 850 Comment
  UCR34892  Chaenactis artemisiifolia L. B. Ziegler 1967-5-18 128 Riverside San Jacinto Valley, side canyon off lower Bautista Canyon 534 Comment
  CAS-BOT-BC276381  Chaenactis carphoclinia Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  CAS-BOT-BC276384  Chaenactis carphoclinia Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  CAS-BOT-BC276393  Chaenactis carphoclinia John H. Thomas 1957-3-30 6529 Riverside 0.8 mile E of Cactus City, about 13 miles E of Coachella, near US Highways 60 and 70, Colorado Desert 518 Comment
  RSA0122703  Chaenactis carphoclinia Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9061 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
  UCR139718  Chaenactis carphoclinia B. G. Pitzer 1989-4-16 1298 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, just outside impact area, 1 km south of Tabaseca Tank 700 Comment
  JOTR37716  Chaenactis carphoclinia var. carphoclinia Hodges, Stephen R., L. Ashfield 2016-1-20 647 Riverside Joshua Tree National Park. Eagle Mountains, south of Black Eagle Mine road, near eastern park boundary. Rocky hills and slopes with desert pavement. Comment
  RSA124288  Chaenactis carphoclinia var. carphoclinia E. K. Balls, Percy C. Everett 1958-3-20 22938 Riverside south base of Eagle Mountains. US Highway 60/70. 365 Comment
  UC1119683  Chaenactis carphoclinia var. carphoclinia H. S. Yates 1937-3-23 6443 Riverside 15 mi nne Mecca; Thermal Quad. 457 Comment
  UC69070  Chaenactis carphoclinia var. carphoclinia H. M. Hall 1905-4-24 5904 Riverside near Chuckawalla Springs Colorado Desert, Chuckawalla Springs Comment
  UCR269194  Chaenactis carphoclinia var. carphoclinia Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-3-22 778 Riverside Sonoran (Colorado) Desert, Mecca Hills, just south of Shaver's Well 305 Comment
  CAS-BOT-BC276902  Chaenactis fremontii R. Bacigalupi No date on label 108 Riverside Eagle Canyon, Colorado Desert Comment
  CAS-BOT-BC276919  Chaenactis fremontii S. B. Parish; W. F. Parish 1882-4-1 343 Riverside Borders of the Colorado Desert, Whitewater Comment
  RSA249464  Chaenactis fremontii John F. Emmel 1973-4-7 429 Riverside Carrizo Creek wash, just SW of Pines to Palms Hwy, 4 air miles SSW of Palm Desert 320 Comment
  UC1007203  Chaenactis fremontii Philip A. Munz 1940-3-23 15721 Riverside 3 mi n of Cottonwood Springs; Eagle Mts. 914 Comment
  UC64805  Chaenactis fremontii E. E. Schellenger 1904-4-10 76 Riverside bet. Whitewater and Banning; Colorado Desert Comment
  UCSB33602  Chaenactis fremontii Simmons, Karen 1979-3-25 Riverside Just south of Cottonwood Springs, 30.5 mi. south of White Tank Campground on Pinto Basin Road, Joshua Tree National Monument 152 Comment
  SD140206  Chaenactis glabriuscula Scott White 1993-4-22 1248 Riverside North Alberhill Ranch, in hills north of Walker Canyon. 487 Comment
  RSA27591  Chaenactis glabriuscula var. glabriuscula C. L. Hitchcock 1940-4-12 6038 Riverside 8 mi. northwest of Elsinore 457 Comment
  OBI33598  Chaenactis glabriuscula var. lanosa John C. Roos 1966-4-29 s.n. Riverside Between March AFB and Lakeview Comment
  UCR20190  Chaenactis parishii Jeanine Derby 1976-6-29 s.n. Riverside San Jacinto Mtns., Garner Valley, Quinn Flats 1375 Comment
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Jun 3 2012
  JEPS8821  Chaenactis stevioides Lawrence Saylor 1935-3-25 204 Riverside 5 mi s of Cottonwood Springs Comment
  POM13922  Chaenactis stevioides var. stevioides P. A. Munz, D. D. Keck 1922-4-9 4819 Riverside Hayfields, Chuckawalla Valley. 152 Comment
  RSA778324  Chamaesyce Amber Swanson 2011-10-9 653 Riverside Around the Hayfields ext N of Hwy I-10. 426 Comment
  RSA793471  Chamaesyce abramsiana Duncan S. Bell, Aaron Sedgwick 2012-9-13 4196 Riverside Hayfields Lake; eastern section of dry lake, approximately 3.75 air miles southeast of Hayfields pumping plant. 420 Comment
  JOTR16669  Chamaesyce albomarginata Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. LOST HORSE AREA NEAR RANGER STATION 1310 Comment
  JEPS19345  Chamaesyce polycarpa I. W. Clokey 1935-4-17 6727 Riverside Cottonwood Springs Comment
  UC869060  Chamaesyce polycarpa Lewis S. Rose 1938-12-24 38347 Riverside 19 mi e Indio (Blythe Rd) 3 Comment
  UCR113549  Chamaesyce polycarpa var. hirtella Mitch Provance 1998-6-6 691 Riverside Jurupa Mountains, Jensen Quarry, Sunnyside area on W side of Sierra Blvd, just east of corner of 29th St. and Scenic Drive 262 Comment
  RSA0103576  Chamaesyce setiloba Duncan S. Bell 2015-9-30 8652 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  RSA432499B  Chamaesyce setiloba M. French Gilman 1940-1-22 4030 Riverside Smoketree Canyon. 305 Comment
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Sep 29 2011
  UCR100163  Cheilanthes clevelandii Scott D. White 1992-12-16 984 Riverside Vail Lake area, c. 9 air mi east of Aguanga (junction of Hwys 371 & 79) & 3 air mi north of Beauty Mtn Peak. 1372 Comment
  RSA0000023  Cheilanthes parishii P. A. Munz 1921-12-31 4696 Riverside Andreas Canyon, Palm Springs. Comment
  CAS-BOT-BC70366  Cheilanthes viscida G. H. Dunn 1881-3-1 s.n. Riverside Whitewater Comment
  UC668386  Cheilanthes viscida Annie M. Alexander and Louise Kellogg 1941-4-24 2083 Riverside gorge of Dry Morongo Creek; Morongo Valley 640 Comment
  UCR113607  Chenopodium album A. C. Sanders, Mitch Provance 2000-10-16 23722 Riverside Riverside, railroad right of way between Watkins Dr. and Campus View Dr., near site of Lemona siding 335 Comment
  UCR275354  Chenopodium berlandieri T. B. Salvato, Melissa Clemons 2005-6-9 1497 Riverside Peninsular Range, Gavilan Hills, E/W trending side canyon feeding into Walker Canyon, c. 0.3 mile northeast of Hwy 15 457 Comment
  UCR115131  Chenopodium berlandieri var. zschackei Mitch Provance 2000-10-28 2276 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 290 Comment
  UCR167303  Chenopodium botrys Scott D. White, Jennifer H. Jones 2005-5-24 11093 Riverside Banning Pass area, Cabazon: San Gorgonio River wash and adjacent alluvial flats and benches to W 610 Comment
  SBBG101707  Chenopodium californicum S. Boyd with T. Ross, M. Hammitt 1991-5-2 6080 Riverside SW and W flanks of Billy Goat Mtn, 3 mi N of Hwy 79, 1 mi W of Hwy 371, N of Aguanga 600 Comment
  UCR157948  Chenopodium desiccatum T. B. Salvato, A. C. Sanders 2005-5-17 919 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
  UCR181630  Chenopodium pratericola Mitch Provance 2003-6-7 7609 Riverside San Bernardino Valley, Jurupa Mountains (extreme northwest end), near Philadelphia Street 262 Comment
  CSUSB733  Chilopsis linearis Lalo Codova 1972-7-25 S. N. Riverside Palm Springs 76 Comment
  RSA356894  Chilopsis linearis R. F. Thorne 1966-10-15 41786 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Hwy. Comment
  RSA751258  Chilopsis linearis A. C. Sanders 2008-7-25 35923 Riverside Gilman Springs Road at mouth of Massacre Canyon, 0.7 mi. NW of Gilman Hot Springs 467 Comment
  UCR142778  Chilopsis linearis C. B. Wolf 1932-4-26 2983 Riverside Sonoran (Colorado) Desert, 8 mi east of Mecca, on Blythe Road 183 Comment
  LA204143  Chilopsis linearis subsp. arcuata Carl Epling; 1932-11-9 sn Riverside San Jacinto Mountains, Murray Canyon, Palm Springs Comment
  UCR94644  Chilopsis linearis subsp. arcuata Scott D. White 1996-5-27 4075 Riverside Badlands, Jackrabbit Canyon, east of Moreno Valley and south of Calimesa, between Hwy 60 and Gilman Springs Road. 610 Comment
  SEINET10898022  Chilopsis linearis subsp. arcuata Frank Almeda 1976-6-5 Almeda 2826 Riverside Rocky wash with shrubby vegetation ca 4-5 mi N of Interstate Hwy. #10 off of Whitewater Canyon Road. Comment
  UCD19431  Chloris truncata Michael D. Rethwisch 2001-8-30 s.n. Riverside Alfalfa fields ca. 5.5 miles north of Blythe (near 2nd Ave.). 83 Comment
  UCR207970  Chloris virgata C. B. Wolf 1932-4-28 3071 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 20 miles west of Blythe on Mecca road 122 Comment
  SEINET236365  Chorizanthe brevicornu Scott D. White, Pam Devries 1998-2-9 6078 Riverside Coachella valley La Quinta/Palm Desert Area: Whitewater River Channel at and near Miles Ave. crossing 30 Comment
  CAS-BOT-BC191701  Chorizanthe brevicornu var. brevicornu H. Walton Clark 1926-6-1 s.n. Riverside Indio Comment
  CAS-BOT-BC191704  Chorizanthe brevicornu var. brevicornu E. E. Schellenger 1911-4-24 s.n. Riverside S of Palms Springs. Colorado Desert Comment
  UCR136188  Chorizanthe coriacea Virginia Moran 2003-5-23 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), east of Sage Road and south of Wilson Valley Road 700 Comment
  POM84699  Chorizanthe corrugata M. Hill 1926-3-13 s.n. Riverside Near Dos Palmos. Comment
  RSA681030  Chorizanthe corrugata Scott D. White, Michael Honer 2003-5-14 9264 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  UCR48532  Chorizanthe leptoceras Steve Boyd 1986-4-19 1692 Riverside Peninsular Range, Temescal Canyon, east side of Indian wash between I-15 and Temescal Canyon Road 351 Comment
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Jul 13 2015
  UC455205  Chorizanthe leptotheca I. J. Condit 1910-6-24 Riverside road to Strawberry Valley (San Jacinto Mountains); San Jacinto Mountains 609 Comment
  UCR35077  Chorizanthe leptotheca L. B. Ziegler 1967-6-19 162 Riverside San Jacinto Mtns., Bautista Creek Canyon 762 Comment
  NY468365  Chorizanthe parryi var. parryi J. L. Reveal 1988-5-23 6867 Riverside Along California Highway 75 at milepost 48, 3 miles east of Fairview Avenue in Valle Vista, on sandy granitic soil north of the highway and south of the San Jacinto River 609.6 Comment
  UCR174384  Chorizanthe parryi var. parryi A. C. Sanders 2006-5-19 32415 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR97692  Chorizanthe polygonoides subsp. longispina A. C. Sanders, G. Helmkamp 1997-3-15 19928 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 537 Comment
  UCR174329  Chorizanthe polygonoides var. longispina A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32562 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 587 Comment
  UCR249833  Chorizanthe polygonoides var. longispina T. B. Salvato, John Lovio 2013-3-19 7354 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  RSA703746  Chorizanthe rigida LeRoy Gross 2005-3-3 1562 Riverside Palen Mountains, south side. Near end of old prospect road. [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  SBBG99603  Chorizanthe rigida W. L. Halvorson 1977-3-8 77 87 a Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  RSA557730  Chorizanthe staticoides Steve Boyd, Ken Berg, Sandy Morey, Jon Keeley 1992-5-3 7171 Riverside Vail Lake area, ridge about 1 mile west of the lake, east of ''Little'' Oak Mountain. 610 Comment
  JOTR30925  Chorizanthe watsonii La Doux, Tasha, Bill Truesdell 2008-4-29 2600 Riverside Joshua Tree National Park. Little San Bernardino mountains, north end of Quail Mountain; Rocky side canyon above Johnny Lang Canyon (Stop 10) 1235 Comment
  SD237560  Chorizanthe xanti subsp. leucotheca Robert J. Steers, s.n., Stan C. Spencer, Matt Willis 2009-6-1 Riverside San Gorgonio Pass; nea 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 Road and Sullivan Road (Cabazon 7.5'Q) 675 Comment
  RSA0004915  Chorizanthe xanti var. leucotheca Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater 305 Comment
  RSA0098335  Chorizanthe xanti var. leucotheca Marc A. Baker 2015-4-14 18317 Riverside San Gorgonio Pass, 4.2 km east of the San Gorgonio River, 28 km WNW of Palm Springs. 640 Comment
  RSA688856  Chrysothamnus paniculatus Scott D. White, Michael Honer 2003-5-13 9250 Riverside San Bernardino Mtns: Whitewater Canyon, ca. 2 miles north of Bonnie Bell. 579 Comment
  SEINET3146291  Chrysothamnus paniculatus L. S. Rose 1935-12-21 35677 Riverside Colorado Desert; Whitewater Wash, 3 mi SE Palm Springs Station 305 Comment
  SD114083  Chylismia brevipes Darley F. Howe 1949-3-21 1950 Riverside 3.0 miles west of Desert Center. 305 Comment
  UC19967  Chylismia cardiophylla subsp. cardiophylla S. B. Parish Apr 4 1896-Apr 13 1896 4118 Riverside Palm Springs (Agua Caliente) San Jacinto Mt. (desert base of mt.) 152 Comment
  UCR269838  Chylismia claviformis A. C. Sanders, Jim Malusa 2016-3-18 42380 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  CAS-BOT-BC160628  Chylismia claviformis subsp. aurantiaca Ivan Johnston 1917-4-4 1084 Riverside Palm Canyon 304 Comment
  UC20519  Chylismia claviformis subsp. aurantiaca S. B. Parish Apr 4 1896-Apr 13 1896 4116 Riverside Palm Springs (Agua Caliente) desert base of San Jacinto Mt. 152 Comment
  UC708731  Chylismia claviformis subsp. aurantiaca H. K. Wagnon 1944-4-2 381 Riverside along fence w cold storage plant; Palm Springs, Torney General Hospital Comment
  POM352169  Cirsium occidentale var. californicum Norman C. Cooper 1949-6-1 3997 Riverside Elsinore. 457 Comment
  RSA0070886  Cirsium scariosum G. R. Campbell 1951-5-30 16156 Riverside Northern end of Hemet Valley, San Jacinto Mountains. 1616 Comment
  RSA752133  Citrullus lanatus Justin M. Wood, Brandy Wood 2009-7-4 1037 Riverside Riverside Flood Control Basin, SW corner of Patton Rd and Wineville Rd, immediately S of San Bernardino County Line. 250 Comment
  UCR266485  Clarkia epilobioides Mitch Provance, Eric Kline 2015-3-26 315- 44 Riverside Temecula/Murrieta Region, Murrieta, Antelope Hills neighborhood, NE corner of Menifee Rd. and Clinton Keith Rd. 424 Comment
  CSUSB233  Clarkia purpurea Dennis Vander Ven 1968-5-19 680519 1 Riverside About 7 miles west of Murrieta on Tenaja Road, 170 yards past first fork in road, right fork. On left side, directly by road. 701 Comment
  UCR174072  Claytonia parviflora A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32586 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
  UC1595608  Claytonia parviflora subsp. parviflora Steve Boyd and Orlando Mistretta 1991-5-22 6291 Riverside e of Dorland Mtn. (w of Kolb Creek, base of Agua Tibia Mtn.); Vail Lake Area, Agua Tibia Mtn. 548 Comment
  UCR92178  Claytonia parviflora subsp. parviflora D. L. Banks, Steve Boyd 1995-5-3 0239 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
  POM12718  Claytonia parviflora subsp. tenuifolia P. A. Munz 1922-6-30 5910 Riverside Santa Rosa, Santa Rosa Mountains. 1982 Comment
  RSA523491  Claytonia parviflora subsp. tenuifolia Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-3-30 3951 Riverside Vail Lake area, saddle at N base of Big Oak Mtn, S of Black Hills. 732 Comment
  UCR121659  Claytonia parviflora subsp. viridis A. C. Sanders 1997-3-19 20020 Riverside Lake Skinner area, Lower Rawson Canyon at 3-way road junction (heron rookery site) c. 1 km NE of the lake 457 Comment
  UCR42482  Claytonia parviflora subsp. viridis P. J. Leary 1975-4-19 1100 Riverside Mojave Desert, Joshua Tree National Monument; Pinyon Well Area 1341 Comment
  UCSB1947  Clematis lasiantha DeWitt, Jack 1959-5-18 Riverside 5.1 miles 1. of Banning on Rd. to San Jacinto Mtns. and Idyllwild 762 Comment
  RSA770707  Clematis ligusticifolia Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4810 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA673497  Clematis pauciflora Scott D. White, Sandy Leatherman 2000-4-19 7663 Riverside Santa Ana Mountains/Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east-and north-facing slopes. 640 Comment
  RSA440805  Cleome isomeris D. A. Young 1969-3-1 P- 307 Riverside 1/2 mile N of Hwy 111; 1.8 mi E of White Water. 343 Comment
  JOTR31071  Coleogyne ramosissima La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2334 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west of Ryan Mountain; Gravelly flats near Ryan Mountain campground (Stop 1) Comment
  RSA161289  Coleogyne ramosissima Peter H. Raven 1958-5-5 12892 Riverside Split Rock, Joshua Tree National Monument Comment
  RSA0117405  Collinsia concolor Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4825 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  SD143712  Collinsia concolor Andy C. Sanders, P. MacKay, T. Thomas, O. Clarke 1997-5-4 20667 Riverside San Jacinto Mountains: N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of Peak 3740 1067 Comment
  CLARK-A1528-4193  Collinsia heterophylla John C. Roos 1950-4-15 4733 Riverside Reche Canyon 822 Comment
  UCR121246  Collinsia heterophylla Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2263 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
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May 28 2017
  UCR133441  Collinsia heterophylla Jeffrey Ross, T. Tennant, G. White 1998-5-21 MOR- 203 Riverside San Bernardino Mtns., Morongo Indian Reservation, Hathaway Canyon, c. 0.55 miles of the junction of the lower and upper canyons 1040 Comment
  CAS-BOT-BC334451  Condalia globosa var. pubescens A. C. Sanders; Tim Thomas; T. B. Salvato 2012-11-1 40508 Riverside Sonoran (Colorado) Desert: Chuckwalla Bench, S of the Chuckwalla Mtns., along Bradshaw Trail 1 km SE of Augustine Rd. junction, large wash on SW side of road 695 Comment
  UCD126138  Convolvulus arvensis Scott D. White 1998-6-28 s.n. Riverside Corona: River Road bridge over the Santa Ana River. 158 Comment
  UCR120655  Convolvulus simulans D. E. Bramlet, P. Jacks, S. Goode 1989-4-6 1810 Riverside Perris-Aguanga Basin, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  UCR189583  Convolvulus simulans Ryann Loomis 2006-6-6 017 Riverside Peninsular Range, Perris-Aguanga Basin, 1.2 mi north of northwestern corner of Vail Lake, on peak of Oak Mountain 817 Comment
  UCR166078  Conyza canadensis John F. Green 2005-2-10 s.n. Riverside Perris-Aguanga Basin, Moreno Valley; N of the 60 Fwy, NW block at intersection of Lasselle St and Ironwood Ave 573 Comment
  UCR58305  Cordylanthus rigidus George K. Helmkamp 1989-10-7 s.n. Riverside San Bernardino Mtns., N edge of the fish hatchery in Whitewater Canyon, north of I-10 700 Comment
  RSA0011006  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Joy D. England 2010-6-7 1274 Riverside San Bernardino National Forest: Rouse Ridge, approximately 3 air miles southeast of junction of Highway 74 and forest service road 5S15. 1057 Comment
  CAS-BOT-BC101309  Corethrogyne filaginifolia I. W. Clokey; E. G. Anderson 1935-8-21 6963 Riverside East of Keen Camp P.O. 1350 Comment
  LA99061  Corethrogyne filaginifolia E. R. Hobbs; G. Malanson, Walt Westman 1978-9-30 78- 132 Riverside Cortrite Avenue, Homeland Comment
  LA99062  Corethrogyne filaginifolia E. R. Hobbs; G. Malanson, Walt Westman 1978-9-30 78- 132 Riverside Cortrite Avenue, Homeland Comment
  POM10303  Corethrogyne filaginifolia F. M. Reed 1907-10-20 1980 Riverside Columbia Ave, near Spanishtown Road Comment
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Nov 30 2009
  RSA192329  Corethrogyne filaginifolia E. W. Lathrop 1966-9-14 6596 Riverside 3 miles SW of Murrieta. Comment
  UC895237  Corethrogyne filaginifolia I. W. Clokey and E. G. Anderson 1935-8-21 6961 Riverside e Keen Post Office; Hillside 1350 Comment
  UCSB22622  Corethrogyne filaginifolia Breedlove, Dennis 1961-8-4 Riverside Along Riverside Highway 1, 9 miles south of Banning; San Jacinto Mountains 1341 Comment
  RSA515221  Coryphantha alversonii Steve Boyd, Orlando Mistretta 1986-3-13 1465 Riverside West side Palen Mts.: NE of Desert Center. Comment
  SEINET2049832 Image available Cotula australis Frank Ambrey 1959-4-27 Riverside UCR, Under sink at north end of glassed portion of greenhouse 16 on UCR campus 335 Comment
  RSA678342  Crassula connata Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10479 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
  SEINET7073455  Crassula connata A. G. Vestal 1963-4-25 s.n. Riverside Granite Rocks, about 1 mile west of Radec on Route 71 (presently Route 79). Coordinate datum: NAD27. Comment
  UCR91551  Crassula connata A. C. Sanders, L. Lubinsky, A. Knapp, P. J. MacKay, C. L. Sanders 1995-2-12 15920 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fan below the Little San Bernardino Mtns., Fargo Canyon Road, 1.35 mi. east of Dillon Road 98 Comment
  RSA701544  Crassula tillaea Steve Boyd, Aydee Virgen 2004-4-13 10844 Riverside Elsinore Peak area, along trail heading from road up to communications towers towards ''Onion Hill'' to the southeast. 994 Comment
  UCSB32953  Crossosoma bigelovii Patterson, R.; Smith, Dale; Timbrook, Steven 1977-2-28 Riverside Base of Pacific Crest Trail, in Whitewater Canyon, ca. 0.5 mi. S of trout farm 800 Comment
  UC1130371  Croton californicus H. S. Yates 1936-4-7 5430 Riverside 10 mi e Whitewater; San Jacinto Quadrangle Comment
  UC868659  Croton californicus I. W. Clokey, C. B. Clokey, and B. C. Templeton 1930-4-15 4637 Riverside Gavilan Peak 600 Comment
  RSA480581  Croton californicus var. mohavensis H. de Forest 1932-8-27 s.n. Riverside Beaumont-Banning Pass Comment
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Dec 4 2011
  UCR266821  Crypsis schoenoides D. E. Bramlet 2005-7-13 3895 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, San Jacinto Wildlife Area, east of old San Jacinto River channel, margin of flooded ponds 433 Comment
  CHSC143  Cryptantha angustifolia R. Baker 1935-4-15 Riverside Thermal. Comment
  JOTR33982  Cryptantha angustifolia La Doux, Tasha, M. Harding 2010-4-7 2870 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  POM368208  Cryptantha angustifolia F. R. Fosberg 1932-3-13 10626 Riverside Thousand Palm Canyon, Coachella Valley Comment
  RSA731021  Cryptantha angustifolia Michael Wall 2008-4-26 455 Riverside Chuckwalla Mountains; Corn Springs wash at Corn Springs Rd. crossing ca. 8.0 miles SW of Chuckwalla Rd. 435 Comment
  SD126017  Cryptantha angustifolia F. R. Fosberg 1932-3-13 10626 Riverside Thousand Palms Canyon Comment
  SD237362  Cryptantha angustifolia Dave Silverman 2010-3-30 7879 Riverside UTM in Supplement. East flank of southern McCoy Mountains, 1.8 km W of Black Creek Rd, 7.0 km E of McCoy Pk, and 4.4 km north of I-10. 174 Comment
  UC280441  Cryptantha angustifolia E. E. Schellenger 1920-5-1 Riverside e of Mecca (Hayfields); Colorado Desert Comment
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Jun 18 2011
  UC857056  Cryptantha angustifolia Lewis S. Rose 1938-2-1 38007 Riverside 10 mi e Desert Center 30 Comment
  UCR148325  Cryptantha angustifolia 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
  UCR224999  Cryptantha angustifolia Dave Silverman 2010-3-23 7820 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, dunes at SSE tip of Palen Lake, 1.7 km SW of Palen Dunes Dr., 3.3 km N of I-10 and 8 km ESE of Sidewinder Well 128 Comment
  SEINET12326518  Cryptantha angustifolia Unknown 1936-1 12822 Riverside Colorado Desert, N of Palm Springs Comment
  NY43471  Cryptantha barbigera C. R. Annable 1995-3-10 2264 Riverside 1.6km S of Lake Cahuilla County Park Comment
  RSA703814  Cryptantha barbigera LeRoy Gross 2005-3-3 1593 Riverside Palen Mountains, south side. Near end of old prospect road., Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W 207 Comment
  UCR116818  Cryptantha barbigera A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23949 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  JOTR29584  Cryptantha barbigera var. fergusoniae Andre, Jim 2006-4-6 6716 Riverside Joshua Tree National Park. about 50 m. north of the Keys View Parking area 1552 Comment
  OBI20703  Cryptantha barbigera var. fergusoniae Robert F. Hoover 1969-4-11 11210 Riverside Mouth of Morongo Valley Cyn Comment
  UCR276655  Cryptantha barbigera var. fergusoniae Jim Andre 2015-3-6 33550 Riverside Coachella Valley, along Snow Canyon oad, just south of Hwy 111 362 Comment
  SD260222  Cryptantha corollata T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr. 2014-4-22 7885 Riverside Peninsular Range: southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon. 481 Comment
  UCR213611  Cryptantha corollata A. C. Sanders, Matthew Malle 2010-4-23 38003 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  RSA781388  Cryptantha costata Duncan S. Bell 2010-5-1 909 Riverside Arica Mountains: northwest of mountain range, approximately 7.2 air miles west of the ghost town of Rice, and approximately 6 air miles northwest of Priests Well. 312 Comment
  RSA0079341  Cryptantha cycloptera Lyman Benson 1933-3-31 4169 Riverside Beginning of Hemet Road [presumably Hwy 74 on desert side, Deep Cyn.] Colorado Desert watershed. 549 Comment
  RSA633324  Cryptantha intermedia R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38079 -C Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  UC857160  Cryptantha intermedia I. W. Clokey and B. C. Templeton 1930-4-9 4665 Riverside n of Banning 800 Comment
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Mar 13 2011
  UCR47759  Cryptantha intermedia F. R. Fosberg 1929-5-3 S- 01058 Riverside Peninsular Range, Temecula River, c. 10 mi above Temecula Comment
  JOTR29373  Cryptantha maritima La Doux, Tasha, Mike Bell 2006-5-10 1450 Riverside Joshua Tree National Park. East Deception Canyon Comment
  JOTR36469  Cryptantha maritima La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3438 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; ridge top with steep, loose, rocky metamorphic siltstone slopes below (above Russi Rocks guzzler) (Stop 3) 538 Comment
  RSA80738  Cryptantha maritima F. W. Peirson 1927-4-12 7172 Riverside Painted Canyon, near Mecca Comment
  UCR42397  Cryptantha maritima J. M. Stewart 1986-1-20 86 5 Riverside Sonoran (Colorado) Desert, Divide between the Mecca Hills and the Orocopia Mtns. Comment
  UCR52017  Cryptantha maritima var. maritima Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2180 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  RSA721898  Cryptantha maritima var. pilosa J. Mark Porter, Orlando Mistretta 2003-6-5 13606 -A Riverside Chocolate Mountains. Chocolate Mountain Bombing and Gunnery Range. Unnamed canyon, S of Salt Creek, accessed via Siphon 21 of the Coachella Canal; fork running east, above the pour-off. 439 Comment
  UCSB10422  Cryptantha micrantha Haller, Norman 1953-5-24 Riverside Hwy. 74, Vandeventer Flats, 5 miles W. of Pinyon Flats, San Jacinto Mts. 1524 Comment
  UCR173926  Cryptantha microstachys A. C. Sanders 2006-5-19 32441 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
  RSA297064  Cryptantha muricata John F. Emmel 1973-4-7 427 Riverside Twin Pines Creek, at north base of San Jacinto Mts., ca. 1 1/2 air miles SW of Cabazon. 512 Comment
  UC729470  Cryptantha muricata Carl B. Wolf 1932-8-6 Riverside 2.9 mi from Idyllwild (on road to Hemet); San Jacinto Mts. 1219 Comment
  UCR41309  Cryptantha muricata N. M. Fellows 1984-3-20 6 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
  RSA0079412  Cryptantha muricata var. jonesii Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4032 B Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR228203  Cryptantha nevadensis Dave Silverman 2010-3-30 7884 Riverside Sonoran (Colorado) Desert, southern McCoy Mtns, east bajada flank, 800 m west of Black Creek Rd, 4.5 km north of I-10, and 8 km east of McCoy Peak 155 Comment
  SD134490  Cryptantha utahensis Craig Reiser 1992-4-11 Riverside Palms to Pines Highway, rocky desert slope overlooking Desert Bighorn Institute Comment
  SEINET2042095 Image available Cryptantha utahensis A. C. Sanders 2001-4-8 23985 Riverside (Desert Hot Springs Quad 7.5') Coachella Valley, Desert Hot Springs, N of intersection of Pierson Blvd. And Atlantic Ave, N of flood control ditch. 348 Comment
  CAS-BOT-BC68027  Cryptogramma acrostichoides Carl B. Wolf 1932-8-5 3978 Riverside San Jacinto Mts. - summit of San Jacinto Peak 3293 Comment
  SD28102  Cryptogramma acrostichoides Carl B. Wolf 1932-8-5 3978 Riverside Summit of San Jacinto Peak, San Jacinto Mountains 3310 Comment
  UC1922004  Cucurbita palmata R. E. Riefner Jr. 2006-8-2 06 -349 Riverside Lakeview Mountains, vicinity of Alicante Dr. and Jamawag Rd., N of Leon Rd. Comment
  UCR131791  Cycloloma atriplicifolium Mitch Provance 1998-6-11 643 Riverside Jurupa Mountains, Pediment of the NW Jurupa Mtns., area SE of the eastern extreme of Philadelphia St. 267 Comment
  SEINET5624469 Image available Cylindropuntia chuckwallensis Marc A. Baker 2013-3-20 17720 .3 Riverside 800m south of Smoke Tree Wash, 5.5 km north of Cottonwood Spring, 40 km NE of Indio 945 Comment
  POM12621  Cylindropuntia echinocarpa M. French Gilman 1922-4-9 s.n. Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
  RSA0097198  Cylindropuntia echinocarpa Marc A. Baker, Michelle Cloud-Hughes 2015-7-12 18412 Riverside San Gorgonio River, 2.5 km SW of Cabazon, 28 km WNW of central Palm Springs. 538 Comment
  RSA0039057  Cylindropuntia munzii A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40509 Riverside Chuckwalla Bench, south of the Chuckwalla Mtns., along Bradshaw Trail 1 km SE of Augustine Rd. junction, large wash on SW side of road 695 Comment
  UC816850  Cynodon dactylon Ivan Johnston 1917-4-4 1116 Riverside Palm Canyon; Colorado Desert, Palm Canyon Comment
  UCR104908  Cynodon dactylon A. C. Sanders 1997-3-19 20039 Riverside Lake Skinner area, Lake Skinner, NW shore near inlet, SW foot of Bachelor Mtn 445 Comment
  POM319412  Cyperus erythrorhizos Patricia Wilder 1970-10-15 4810 Riverside Prado Dam in Prado Flood Control Basin. East of Chino Hills. Santa Ana River Drainage Area. 122 Comment
  JEPS64079  Cyperus odoratus Samuel B. Parish 1891-11-3 2247 Riverside Elsinore Lake Comment
  UCR60752  Cyperus odoratus Bill Wagner 1989-11-28 s.n. Riverside Peninsular Range, c. 1 mi west of Santa Margarita River, 3-4 mi south of Temecula. Comment
  UCR92398  Cyperus parishii F. M. Reed 1907-9-15 1936 Riverside Riverside, Santa Ana River at Chinatown ford 244 Comment
  HSC101604  Cyperus squarrosus Steve Boyd, G. D. 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 2652 Comment
  POM9800  Cystopteris fragilis E. C. Jaeger 1921-6-15 274 Riverside San Jacinto Mountains: below Round Valley. Comment
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Nov 19 2011
  RSA703453  Dactyloctenium aegyptium R. E. Riefner Jr. 2004-7-30 4 -281 Riverside City of Norco, Sixth Street at Sierra Avenue. USGS 7.5' Quad: Corona North. 200 Comment
  NY43422  Dalea mollis C. R. Annable 1995-3-9 2259 Riverside BLM land, ca. 13km N of Rancho Mirage, behind A-1 Cement Comment
  RSA498351  Dalea mollis T. W. Minthorn 1925-08 s.n Riverside Near Indio Comment
  JOTR35379  Dalea mollissima Harding, Mitzi, J. Hoines, E. Kramer 2012-2-2 168 Riverside Joshua Tree National Park. southeast Coxcomb Mountains; SE facing slopes and steep drainages 164 Comment
  POM307229  Dalea mollissima Henry J. Ramsey, Henry J. Ramsey 1940-3-14 1992 Riverside North of Blythe. Comment
  UCR5569  Dalea mollissima O. F. Clarke 1966-10-5 661005- 12 Riverside Sonoran (Colorado) Desert, University of Calif, Riverside Desert Research Center [= Deep Canyon] 290 Comment
  LA11697  Dasyochloa pulchella John Thomas Howell; 1928-1-30 3310 Riverside 2 mi. E of Shavers' Well 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
  UCR194227  Datisca glomerata Scott D. White, Angelia Carey 2004-6-4 10477 B Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  RSA518036  Datura discolor Steve D. Boyd, Orlando Mistretta 1986-3-13 1403 Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd and 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  UCR182524  Daucus pusillus Mitch Provance 2005-5-17 6575 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
  CAS-BOT-BC293822  Deinandra fasciculata John Thomas Howell 1930-5-10 4789 Riverside 2 miles south of Perris Comment
  RSA703537  Deinandra kelloggii R. E. Riefner Jr. 2004-4-27 04 -145 Riverside Morreno Valley, south of Allesandro St. near Merwin St. and Kimber Ave. 354 Comment
  UCD131081  Deinandra kelloggii Virginia Moran 2003-7-17 s.n. Riverside Peninsular Range. Wilson Valley Mitigation Bank (Center for Natural Lands Management), northeast of Wilson Valley Road and West of Wilson Creek. 854 Comment
  CAS-BOT-BC131040  Deinandra paniculata A. C. Sanders; Chet McGaugh 1991-7-19 11155 Riverside Murrieta Hot Springs, on the S side of Murrieta Hot Springs Road, E of Via Princesa & N of Calle del Lago 347 Comment
  RSA0098342  Deinandra paniculata Marc A. Baker, Danny Cuellar, Chris Taylor, Paul Roberge, Cecile Shohet, Youssef Atallah 2015-7-3 18378 Riverside 1.8 km south of San Timoteo Wash, 15 km SE of central San Bernardino, 35m south of the San Bernardino County line. 491 Comment
  UCR256522  Deinandra paniculata R. E. Riefner Jr. 2014-8-27 14- 304 Riverside City of Riverside, Moreno Valley, Box Springs Blvd. at Sycamore Canyon Blvd., west of 215 Freeway 483 Comment
  UC1031413  Delphinium parishii H. Lewis and C. Epling 1941-5-4 Riverside 5 mi s White Tank (on road to Pinto Basin); Joshua Tree Nat. Mon. Comment
  UCR205021  Delphinium parishii Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10473 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 366 Comment
  CAS-BOT-BC7980  Delphinium parishii subsp. parishii H. Lewis; C. Epling 1941-5-4 S.N. Riverside Joshua Tree Nat. Mon., 5 miles south of White Tank on the road to Pinto Basin. Comment
  JEPS5765  Delphinium parishii subsp. parishii D. A. Johansen and J. A. Ewan 1932-4-10 7094 Riverside mouth of canyon above Palm Springs; western Colorado Desert, Tahquitz Canyon Comment
  UC9216  Delphinium parryi A. J. McClatchie April 1892 30 Riverside near Elsinore Comment
  CAS-BOT-BC121424  Delphinium parryi subsp. parryi Scott D. White 1997-2-28 4711 Riverside Elsinore Basin, SE of Hwy 74, ca. 1 mi E of jtn. w/ I-15 Freeway. 457 Comment
  RSA0020469  Delphinium parryi subsp. parryi Walter Wisura, W. Steinmetz 1993-5-29 4917 Riverside PCT S of Hwy 74, near Table Mountain road Comment
  SEINET2078965  Dendromecon rigida G. Rink 1999-5-22 Riverside 8 miles S of Banning on Highway. 243 Comment
  UC855085  Dendromecon rigida P. A. Munz and I. M. Johnston 1922-5-19 5406 Riverside canyon bed near mouth of Strawberry Creek; San Jacinto Canyon 762 Comment
  RSA785187  Deschampsia danthonioides D. E. Bramlet 1991-5-7 2120 Riverside San Jacinto Valley, 8.2 km SW of Hemet, just NE of jct. of California Ave. & Marvin Hull Road, c. 50-150 m north of the AT&SF railroad tracks & 300 m west of MWD canal 500 Comment
  CAS-BOT-BC39733  Descurainia adenophora H. M. Hall 1901-6-1 2623 Riverside San Jacinto Mountains. In the vicinity of Strawberry Valley. 1828 Comment
  CAS-BOT-BC39735  Descurainia adenophora Edmund C. Jaeger 1921-6-14 s.n. Riverside MacMullen Trail, San Jacinto Mountains. 1280 Comment
  UC354445  Descurainia pinnata subsp. glabra Edmund C. Jaeger 1925-12-19 Riverside near Palm Springs (Eagle Canyon); Eagle Canyon 91 Comment
  UC856000  Descurainia pinnata subsp. glabra C. L. Hitchcock 1940-4-1 5911 Riverside Cottonwood Spring wash; Joshus Tree National Monument Comment
  POM306214  Dicentra chrysantha Henry J. Ramsey, Henry J. Ramsey 1938-5-7 s.n. Riverside Elsinore Comment
  RSA516418  Dicentra chrysantha Walter Wisura, Bart O'Brien, T. Hayduk 1990-5-2 4427 Riverside Ortega Hwy. below switchbacks, near Lake Elsinor. Comment
  UCR165608  Dicentra chrysantha T. B. Salvato, John F. Green 2004-5-27 704 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  SDSU12268  Dichelostemma capitatum subsp. capitatum Jeremy Mass, Ryan Jacobsen 2000-4-19 12 Riverside Along edge of road near Stone Creek, close to Southside Field Station, Santa Margarita Ecological Reserve (SDSU). 222 Comment
  SEINET10533954  Dichelostemma pulchellum Steve Boyd, Timothy S. Ross; Laurel Arnseth; Jaime Bonilla, Barbosa 1990-4-2 Boyd 4013 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn., along Hwy 79, E of USFWS Dripping Springs Guard Sta. T8S R1W SE 1/4 NW 1/4 sec. 23. 1600-2000 feet. Capparral and oak woodland vegetation burned by Mt. Palomar fire, 1989. Comment
  CAS-BOT-BC292179  Dicoria canescens John C. Angsbury 1929-2-1 s.n. Riverside Indio Comment
  SBBG60676  Dieteria canescens S. W. Hutchinson -Mar-1928 207 Riverside near Blythe Comment
  CAS-BOT-BC150923  Diplacus bigelovii var. bigelovii Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2162 Riverside Palen Pass at the N. end of the Palen Mtns. 50 Comment
  RSA0019290  Diplacus brevipes A. C. Sanders 2008-7-25 35896 Riverside east side of May Valley, NE of Bonita Vista Rd. at foot of hills 1543 Comment
  RSA0019423  Diplacus fremontii N. C. Cooper 1949-6-29 4350 Riverside San Jacinto Mt. above Banning. Comment
  CHSC26487  Diplacus puniceus James Henrickson 1970-4-10 4533 Riverside 8 air miles ESE of Temecula along Hy. 71-79. 542 Comment
  RSA0019297  Diplacus puniceus D. L. Banks 1997-3-16 1532 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound. 567 Comment
  SD245481  Diplacus puniceus Robert 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
  SEINET1906983  Diplotaxis muralis O. F. Clarke 2002-1 Riverside Riverside; UCR Botanical Garden. 351 Comment
  CDA7874  Dipsacus sativus Kurt Cambell 2006-6-15 s.n. Riverside Northwest corner of Moraga Road and Rancho California Road, Temecula. Comment
  RSA785425  Ditaxis lanceolata Doris Bowers 1974-5-5 2278 Riverside Anza Barrego State Park, N/o Coyote Creek 335 Comment
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Sep 11 2013
  JOTR33806  Ditaxis neomexicana La Doux, Tasha, B. Truesdell 2007-11-9 3304 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park, open bajada below mouth of Lost Palms Canyon (STOP2) 601 Comment
  UCD84941  Ditaxis neomexicana Chuck Hughes 2010-3-24 213 Riverside About 12.7 miles south of Highway 62, next to railroad tracks. 281 Comment
  UCR180228  Ditaxis neomexicana Scott D. White, Pam Devries 2006-3-14 11255 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, a few mi east of Indio, at proposed I-10 Freeway/ McNaughton Parkway interchange, north of the I-10 Freeway 152 Comment
  JEPS52448  Ditaxis serrata Marjorie D. Clary 1933-3-19 1962 Riverside Whitewater Canyon, North Colorado Desert 304 Comment
  POM12370  Ditaxis serrata var. californica P. A. Munz, D. D. Keck 1922-4-8 4833 Riverside [Unspecified] 213 Comment
  CAS-BOT-BC401160  Dithyrea californica Sarah J. De Groot; April Garbat 2013-3-28 6996 Riverside Along Highway 177 at sandy area just south of the Desert Lily sanctuary, Chuckwalla Valley, just south of the Coxcomb Mountains 152 Comment
  CAS-BOT-BC43653  Dithyrea californica Alice Eastwood 1913-4-30 2987 Riverside Palm Springs. Comment
  RSA48407  Dithyrea californica E. K. Balls 1949-4-2 12892 Riverside Highway 111 between Thermal ana Arabia. Comment
  RSA651834  Dithyrea californica Brinkerhoff 1949-2-20 s.n. Riverside Thousand Palms, Colorado Desert. 762 Comment
  SEINET3195132 Image available Dithyrea californica Andrew C. Sanders 2010-3-15 37417 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 (Roosevelt Mine 7.5' Q.) 134 Comment
  UCR216393  Dodecatheon clevelandii Mike Bell 2008-3-30 021 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, 5 miles SW of Murrieta, Punta Mesa Trail 537 Comment
  UCR50581  Dodecatheon clevelandii B. G. Pitzer, E. Misquez 1988-2-28 0623 Riverside Santa Ana Mtns, Walker Basin, southwest of Murrieta, Avenida Del Oro, 2 mi south of Rancho California Road 428 Comment
  SD132880  Downingia bella Tim Cass 1979-6-1 204 Riverside Mesa de Colorado, Pool C Comment
  SD28101  Draba corrugata var. saxosa Carl B. Wolf 1932-8-5 3979 Riverside Summit of San Jacinto Peak 3293 Comment
  RSA60297  Drymocallis glandulosa G. R. Campbell 1948-7-4 608 Riverside Azalea Trails Girl Scout Camp, north of Idyllwood, Dark Canyon. 1646 Comment
  CAS-BOT-BC535004  Drymocallis glandulosa var. reflexa H. M. Hall 1901-6-1 2204 Riverside San Jacinto Mountains, Southern California, vicinity of Strawberry Valley 1615 Comment
  RSA180422  Dudleya edulis E. W. Lathrop 1965-4-25 5698 Riverside 4 miles southwest of Murrieta on the De Luz Road. Comment
  UCR123761  Dudleya lanceolata Steven R. Hill 2001-4-29 33547 Riverside Western Colorado Desert/ San Bernardino Mtns., E side of Whitewater Canyon along Whitewater River, east of Whitewater Canyon Road, about 2 mi north of Route I-10 549 Comment
  UC1329970  Dudleya saxosa James E. Cole 1941-5-21 758 Riverside Cottonwood Rd Joshua Tree National Monument, Dale 914 Comment
  CAS-BOT-BC109606  Dudleya saxosa subsp. aloides C. B. Wolf 1932-5-25 3690 Riverside Gilman Ranch in foothills north of Banning. 1463 Comment
  JOTR30636  Dudleya saxosa subsp. aloides La Doux, Tasha, Erin Babich 2008-4-21 1799 Riverside Joshua Tree National Park. Stop 3-Little San Bernardino Mountains, S of Covington Flat 1290 Comment
  CAS-BOT-BC109625  Dudleya saxosa subsp. saxosa Reid Moran 1941-5-4 835 Riverside Hidden Valley, Joshua Tree National Monument. 1300 Comment
  POM10338  Dyssodia porophylloides Charlotte M. Wilder 1907-4-8 715 Riverside Murray Canyon, Colorado Desert Comment
  RSA779017  Echinocactus polycephalus var. polycephalus Duncan S. Bell 2010-4-1 677 Riverside Arica Mountains: east side of mountain range approximately 1.5 air miles northwest of Priests Well, and approximately 5.7 air miles southwest of the ghost town of Rice. 389 Comment
  CSUSB1172  Echinochloa crus-galli Debbie Vigneault 1974-7-17 Riverside Santa Ana River Santa Ana River bottom, near Van Buren Bridge. 259 Comment
  SEINET251720 Image available Echinochloa crus-galli A. C. Sanders 1999-10-15 23170 Riverside San Jacinto Valley: Mystic Lake, 1.4 mi. E of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. S of Eden Hot Spr. 433 Comment
  UCR124134  Echinochloa crus-galli Steve Boyd, Orlando Mistretta 1989-7-18 3763 Riverside Peninsular Range, Vail lake area, conflence of Kolb Creek with lake. 427 Comment
  RSA522095  Echinochloa crus-galli Steve Boyd, Orlando Mistretta 1989-7-18 3763 Riverside Vail Lake area, confluence of Kolb Creek with lake. 426 Comment
  CAS-BOT-BC291130  Eclipta prostrata S. B. Parish 1912-10-12 8362 Riverside Salton Basin. Mecca -57 Comment
  UCD110451  Elatine chilensis Robert F. Thorne; E. Lathrop, et al 1969-5-19 37968 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California. 624 Comment
  RSA0013567  Eleocharis bella Steve Boyd, Gary D. Wallace 2005-7-30 11646 Riverside San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2652 Comment
  CAS-BOT-BC112733  Eleocharis geniculata W. R. Dudley 1903-12-29 s.n. Riverside Near 7000 Palms, Palm Springs Comment
  SD144140  Eleocharis geniculata A. C. Sanders, S. White & C. L. Sanders 1994-10-9 15815 Riverside San Bernardino Mountains: Whitewater Canyon, 2 miles below trout farm, above Bonnie Bell 550 Comment
  SD204751  Eleocharis macrostachya R. F. Thorne, E. W. Lathrop, et al. 1982-6-5 55212 Riverside Santa Ana Mountains region: Southwest of Murrieta. Santa Rosa Plateau, Mesa de la Punta near south edge of plateau, approached from De Luz road. 579 Comment
  UCR110916  Eleocharis macrostachya A. C. Sanders, K. C. Rose 1999-6-18 22818 Riverside Domenigoni Valley, upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, south of Winchester 433 Comment
  RSA544414  Eleocharis palustris Steve Boyd, Timothy S. Ross 1991-6-14 6382 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Road S to confluence with Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Spings. Comment
  SBBG119911  Eleocharis parishii A. C. Sanders with O. F. Clarke 1991-6-10 11126 Riverside Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River; Riverside 238 Comment
  UCR21017  Eleocharis parishii A. C. Sanders, S. D. Boyd 1980-5-19 1503 Riverside San Jacinto Mountains, Strawberry Creek c. 100 m below the point where Hwy 74 crosses. 902 Comment
  UCR40398  Eleocharis radicans Steve Boyd 1985-8-7 1108 Riverside Santa Ana Mtns., Santa Rosa Plateau, Santa Rosa Plateau, NW base of Redonda Mesa on Tenaja Road, 0.8 mi east of the junction w/ 8S01 & 8S02 671 Comment
  UCR2751  Elymus elymoides F. M. Reed 1908-7-11 2497 Riverside San Jacinto Mtns, San Jacinto Mtns Comment
  UCR133392  Elymus glaucus Tracy Tennant, T. B. Salvato 1998-6-23 481 Riverside San Bernardino Mtns., Morongo Indian Reservation, N end of Hathaway Cyn., c. 0.4 miles east of pk 4265 (polygon 13) 1341 Comment
  UCR205295  Elymus glaucus Valerie Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1703 Riverside San Jacinto Mountains, Slope above junction of Dark Canyon and Fuller Mill Creek. 1585 Comment
  CAS-BOT-BC206526  Elymus glaucus subsp. glaucus Carl B. Wolf 1932-8-5 3942 Riverside San Jacinto Mts., along trail from Tahquitz Valley to San Jacinto Peak 2621 Comment
  POM122850  Elymus glaucus subsp. glaucus Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  UCD62702  Elymus trachycaulus Alan A. Beetle 1946-6-10 4396 Riverside San Jacinto Mts., San Jacinto Mt. Near Idyllwild. 1219 Comment
  JOTR16582  Encelia actoni Baker, James K. & Baker, Ilisa T. 1966-10-20 s.n. Riverside Joshua Tree National Park. RYAN MOUNTAIN WATERING TURNOUT 1310 Comment
  RSA0067722  Encelia actoni Cheryl Sevilla, Sarah J. De Groot 2015-3-18 41 Riverside Transverse Ranges; San Bernardino Mountains region: San Gorgornio Wilderness Area; off the Pacific Crest Trail about 1.1 air miles north of the Whitewater Preserve Ranger Station; on the plain west of the Whitewater River drainage. 738 Comment
  CAS-BOT-BC131337  Encelia farinosa Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2142 Riverside N. end Palen Mtns, 2 mi west of Palen Pass 300 Comment
  RSA0105079  Encelia farinosa Daphne K. Christopher, Hannah Stevens 2003-4-6 102 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 540 Comment
  SEINET242415  Encelia farinosa Donald Kyhos 1965-3-13 65 -111 Riverside 6.2 mi W of junction Hwy 78 and Hwy 60-70 near Blythe. Comment
  UC31400  Encelia farinosa C. R. Orcutt 1882-5-10 Riverside Box Springs Comment
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Jun 8 2012
  UCR100878  Encelia farinosa George K. Helmkamp, E. A. Helmkamp 1998-2-18 2695 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  UCR241657  Encelia farinosa T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 317 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  UCR254624  Encelia farinosa Jim Andre 2013-3-21 24400 Riverside NE Colorado Desert, West Riverside Mountains; at base of NW corner of range where sand ramps run up against granitic bouldery slopes, about 10 mi. SW of Vidal Jct, 3 mi. south of Grommet RR xing at Hwy 62 363 Comment
  RSA502918  Encelia farinosa var. farinosa Ed LaRue 1989-4-7 s.n Riverside Woodcrest area: 1/2 mile NE of the intersection of Van Buren Blvd & Mockingbird Canyon Road. 365 Comment
  CAS-BOT-BC131421  Encelia frutescens H. M. Hall 1905-4-1 5859 Riverside Near [Canon] Canyon Springs Comment
  JEPS34124  Encelia frutescens Marjorie D. Clary 1933-4-9 2178 Riverside Clemens Well Orocopia Mountains, Clemens Well 243 Comment
  JEPS49102  Ephedra Dr. L. M. Newlon 1922-4-3 442 Riverside Andreas Canyon Mt. San Jacinto, Andreas Canyon Comment
  RSA383869  Ephedra aspera Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  UC813661  Ephedra aspera I. W. Clokey 1935-4-17 6510 Riverside Cottonwood Springs Comment
  CAS-BOT-BC81537  Ephedra californica Ynez Whilton Winblad 1937-3-18 s.n. Riverside 29 Palms Canyon Comment
  CLARK-A1656-719  Ephedra californica Theo Glenn 1981-3-14 Riverside Whitewater Canyon Comment
  POM293443  Ephedra californica Lyman Benson 1954-5-2 15280 Riverside Morongo Pass (south end of Morongo Valley). 915 Comment
  RSA336038  Ephedra californica Robert F. Thorne, W. Wisura, A. Shmida, R. Whittaker 1978-4-23 52035 Riverside Chino Canyon Comment
  RSA771863  Ephedra californica Robert F. Thorne, M. Z. Thorne 1973-3-30 42689 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs 488 Comment
  CHSC1162  Epilobium canum subsp. canum E. Thomas 1939-11-12 Riverside Glen Ivy. Comment
  CAS-BOT-BC171728  Epilobium canum subsp. latifolium Carl B. Wolf 1940-10-31 11184 Riverside Colorado Desert, Cottonwood Springs, Eagle Mts. 289 Comment
  SD173090  Epilobium canum subsp. latifolium Juergen Schrenk 2005-10-11 45 Riverside Santa Rosa Mountains, summit of Toro Peak 2600 Comment
  UCR5604  Epilobium canum subsp. latifolium Frank C. Vasek 1966-9-5 660905- 03 Riverside San Jacinto Mtns., 1 mile north of Mountain Center toward Idyllwild 1445 Comment
  UCR5606  Epilobium canum subsp. latifolium O. F. Clarke 1966-10-5 661005- 34 Riverside Peninsular Range; Santa Rosa Mtns., Santa Rosa Mountain Rd., first wooded canyon -- near University of California, Deep Canyon Desert Research Center 1829 Comment
  SD245418  Epilobium ciliatum subsp. ciliatum Robert Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49556 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons. Comment
  RSA618001  Epilobium pygmaeum R. E. Riefner Jr. s.n. Riverside Elsinore Trough between Willard and Murrieta Creek; Wildomar. Comment
  CLARK-A1528-3378  Epipactis gigantea John C. Roos 1948-5-29 3870 Riverside Whitewater Canyon Comment
  IRVC2717  Epipactis gigantea Mike McCartin 1965-4-17 s.n. Riverside Palm Springs; Andreas Canyon. Sonoran Desert/Peninsular Ranges Comment
  SD81654  Equisetum arvense Louis C. Wheeler 1931-10-4 214 Riverside San Jacinto Mountains, Strawberry Valley 1555 Comment
  UCR126986  Eragrostis A. C. Sanders, Guy Bruyea 2003-6-12 26895 Riverside Perris-Aguanga Basin Region, Winchester, SE side of town between Simpson Ave. and Olive Ave., east of Hwy 79/Winchester Rd. 450 Comment
  UC38340  Eragrostis cilianensis H. M. Hall August, 1899 1366 Riverside Riverside Comment
  POM146222  Eragrostis cilianensis F. M. Reed 1927-10-25 5520 Riverside Riverside Comment
  RSA653239  Eragrostis mexicana subsp. virescens Mitch Provance, A. C. Sanders 2000-7-4 2081 Riverside Riverside: Santa Ana River Wash, between the Market St. and Riverside Ave crossings. 244 Comment
  UCR20767  Eremalche exilis A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1333 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
  UCR65287  Eremalche exilis Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3883 Riverside Peninsular Range, Vail Lake area, cinder cone ridge at north side of mouth of Temecula Creek Canyon and adjacent benches on S flank of 'Big' Oak Mtn. 549 Comment
  RSA0015411  Eremalche exilis Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  UC724382  Eremalche rotundifolia Aven and Ruth Nelson 1939-3-29 3317 Riverside s. of Mecca (Hidden Springs Canyon) Comment
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Jul 14 2012
  SEINET12875649 Image available Eremogone ferrisiae Reid Moran 1968-1 15366 Riverside N slope 1 mi. W of summit, Santa Rosa Mtn. 2150 Comment
  JOTR33784  Eriastrum densifolium subsp. austromontanum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2924 Riverside Joshua Tree National Park. Little San Bernardino Mountains: North side of Quail Mountain; Loamy, gravelly slope in saddle below the summit Comment
  CAS-BOT-BC514311  Eriastrum densifolium subsp. austromontanum C. Epling; Wm. Robison 1933-6-25 s.n. Riverside Little San Bernardino Mountains: Black Rock near Warren's Well 1371 Comment
  CAS-BOT-BC514314  Eriastrum densifolium subsp. austromontanum C. W. Tilforth 1976-7-21 1222 Riverside C. 5 mi N of Idyllwild 1524 Comment
  RSA0105500  Eriastrum densifolium subsp. austromontanum Verne Grant, Alva Grant 1951-7-19 16088 Riverside Along Idyllwild road just above Hwy 74, San Jacinto Mts. 1220 Comment
  RSA0105507  Eriastrum densifolium subsp. austromontanum Mary F. Spencer 1923-08 s.n. Riverside Tahquitz ridge near Tahquitz peak. San Jacinto Mountains 2439 Comment
  UC1787319  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1993-7-9 124 Riverside Arroyo Seco Creek, adjacent to Dripping Springs Public Campground, ca. 500 m south of terminal loop of campground road, along east bank of creek 487 Comment
  UCR20440  Eriastrum eremicum Carl Epling, H. Lewis 1941-5-2 s.n. Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mountains Comment
  RSA0093001  Eriastrum eremicum subsp. eremicum Jim M. Andre 2012-4-11 20811 Riverside Joshua Tree National Park; western margin of Eagle Mtns, along road to Cottonwood Spr (Utah Trail), 0.6 mi. south of Cottonwood Visitor Ctr. 913 Comment
  UCR243573  Eriastrum eremicum subsp. eremicum Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21104 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, upper watershed on east ridge, 1.1 mi south of radio tower, c. 6 mi. south of town center of Yucca Valley 1207 Comment
  CAS-BOT-BC514450  Eriastrum eremicum subsp. eremicum Philip A. Munz; R. D. Harwood 1950-4-4 3526 Riverside Pass S of Palm Springs 152 Comment
  JEPS69114  Eriastrum sapphirinum W. L. Jepson 1901-5-17 1231 Riverside Riverside 266 Comment
  SEINET7072855  Eriastrum sapphirinum A. G. Vestal 1963-5-20 s.n. Riverside Long Valley Road at Tececula and at the junction with Route 395 (115). Coordinate datum: WGS84/NAD83. (33? deg. 30' 3" North Latitude, -117? deg. 9' 3" West Longitude, Coordinate datum: NAD27.). Comment
  UCR133003  Eriastrum sapphirinum John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  CAS-BOT-BC515006  Eriastrum sapphirinum subsp. dasyanthum P. C. Everett; E. K. Balls; L. W. Lenz 1952-7-1 17283 Riverside 6.7 mi W along Hwy 74 from jct with road S from Idyllwild 914 Comment
  RSA0122947  Eriastrum sapphirinum subsp. dasyanthum L. C. Wheeler 1962-7-26 8180 Riverside Temescal Valley. Comment
  RSA0122956  Eriastrum sapphirinum subsp. dasyanthum P. A. Munz 1925-5-20 9847 Riverside Aguanga Valley. Comment
  RSA489839  Ericameria cuneata D. Charlton 1988-5-28 2137 Riverside Santa Rosa Mts. S of Hwy. 74 dirt road to Toro and Santa Rosa Peaks. Toro Camp Area 2286 Comment
  UCR150031  Ericameria cuneata Scott D. White 2000-11-16 8153 Riverside San Jacinto Mtns, North of Alvin Meadow near USFS Road 5S10 (Red Hill Road) 1677 Comment
  CAS-BOT-BC286792  Ericameria cuneata var. spathulata Nancy Ryan Zabriskie; Walter Zabriskie 1970-3-24 255 Riverside East of so. end of Marion Ridge Rd., Pine Cove, Idyllwild, San Jacinto Mts. 1828 Comment
  JOTR31004  Ericameria linearifolia La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1287 Riverside Joshua Tree National Park. Stop 4: Hexie Mountains, Blue Cut Gorge, canyon with sandy bottom and steep rocky walls Comment
  SD82891  Ericameria linearifolia Larry DeBuhr 1972-3-24 533 Riverside Santa Rosa Mountains, along forest road 7S02. 1769 Comment
  UC1329850  Ericameria nauseosa var. mohavensis James E. Cole 1941-10-20 31 Riverside Optimist Mine Road Joshua Tree National Monument, Lost Horse Valley 1310 Comment
  CAS-BOT-BC298121  Ericameria nauseosa var. oreophila Philip A. Munz 1946-10-19 11572 Riverside Canyon at junction of Highway 74 and road to Old Santa Rosa Indian Village 1219 Comment
  POM359440  Ericameria palmeri var. pachylepis Albert J. Perkins 1915-9-25 s.n. Riverside Pachappa Mt Comment
  UCR220009  Ericameria palmeri var. pachylepis A. C. Sanders, D. L. Sanders 2010-11-28 38694 Riverside Peninsular Range; NW Gavilan Hills, Angel Canyon Falls, above Home Gardens at the western edge of Riverside, 4.8 km NW (303 deg. ) of Lake Mathews dam, above intersection of Lincoln St. & Indiana Ave. 279 Comment
  SDSU12965  Erigeron canadensis Michael G. Simpson 1999-10-27 2036 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  POM12781  Erigeron divergens P. A. Munz 1922-6-24 5797 Riverside Pipe Creek, San Jacinto Mountains 1585 Comment
  JEPS41515  Erigeron foliosus var. foliosus W. L. Jepson 1903-8-5 2262 Riverside Strawberry Valley San Jacinto Mt., Strawberry Valley 1676 Comment
  UCR84065  Erigeron foliosus var. foliosus A. C. Sanders, T. Schram, D. Wappler 1994-10-4 15776 Riverside San Jacinto Mtns, N slope of the mtns: nameless tributary to Azalea Creek, c. 1 mi. due south of the Twin Pines Ranch buildings. 1128 Comment
  UCR34549  Erigeron philadelphicus Karen Kirtland 1983-5-6 s.n. Riverside Singleton Ranch on the north side of San Timoteo Canyon, near Calimesa 762 Comment
  UCR201863  Eriochloa acuminata Justin M. Wood 2008-8-31 127 Riverside Perris Basin, Romoland, 1/4 mi south of Ethanac Road between San Jacinto Road and Palomar Road just south of railroad tracks 448 Comment
  CAS-BOT-BC189079  Eriodictyon crassifolium H. E. McMinn 1925-7-1 1519 Riverside By wash, between Palm Springs and the canyon mouth Comment
  LA205568  Eriodictyon crassifolium A. H. Lange; 1951-5-26 sn Riverside Palms to Pines Highway 152 Comment
  RSA586162  Eriodictyon crassifolium D. L. Banks, S. D. Boyd 1995-3-30 127 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, on the Woodchuck Trail. 634 Comment
  UC880702  Eriodictyon crassifolium I. W. Clokey and E. G. Anderson 1935-4-16 6834 Riverside e Hemet; e of Hemet 600 Comment
  UC1979591  Eriodictyon crassifolium var. crassifolium D. L Banks, Steve Boyd 1995-3-30 0127 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, on the Woodchuck Trail. Comment
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Nov 18 2015
  UCR262258  Eriodictyon crassifolium var. crassifolium T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3727 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
  POM209904  Eriodictyon trichocalyx var. lanatum Victor Duran 1933-7-1 3489 Riverside Near Santa Rosa, Santa Rosa Mts 1677 Comment
  CAS-BOT-BC219330  Eriodictyon trichocalyx var. trichocalyx Victor Duran 1933-7-1 3489 Riverside Near Santa Rosa, Santa Rosa Mts. 1676 Comment
  UCR193731  Eriogonum A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35649 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  CAS-BOT-BC248628  Eriogonum apiculatum Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  RSA0103621  Eriogonum apiculatum Duncan S. Bell, Sarah DeGroot 2015-9-21 8646 Riverside Santa Rosa Mountains; north side of Asbestos Mountain, approximately 0.5 air mile east of Potrero Spring. 1147 Comment
  SD67905  Eriogonum apiculatum Reid Moran 1968-8-3 15355 Riverside at roadside, ridge 1 mile NW of Toro Peak 2250 Comment
  SD86300  Eriogonum apiculatum James L. Reveal, Caroline G. Reveal 1972-8-9 2861 Riverside San Jacinto Mountains, along California Highway 243, 4.4 miles north north-west of Idyllwild, 8.9 miles north of the junction with highway 74, and 1 mile south of Alandale Ranger Station Comment
  SEINET3289843 Image available Eriogonum apiculatum M. W. Denslow, Firoozeh Navid-Ara; Valerie Soza 2003-7-15 1454 Riverside Peninsular Ranges; San Jacinto Mountains region: East of Idyllwild, along South Ridge Road (5S11 Rd.) 1890 Comment
  UCR26508  Eriogonum apiculatum A. C. Sanders, J. A. Harpel 1981-8-26 2333 Riverside Santa Rosa Mtns., About 100 ft below the summit of Toro Peak 2622 Comment
  UCR5710  Eriogonum apiculatum O. F. Clarke 1966-10-5 661005- 37 Riverside Peninsular Range; Santa Rosa Mtns., Santa Rosa Mountain Rd., first wooded canyon -- near University of California, Deep Canyon Desert Research Center 1829 Comment
  CAS-BOT-BC242793  Eriogonum davidsonii Steve Boyd 1987-2-12 1966 Riverside Temescal Canyon, southeast of Corona, where Horsetheif [Horsethief] Wash crosses Temescal Cyn Rd. 353 Comment
  JEPS56701  Eriogonum davidsonii W. L. Jepson 1903-8-4 2282 Riverside below Thomas Valley forks (trip to Spruce Canyon; Chalk Hill); San Jacinto Mts., Chalk Hill 1524 Comment
  POM229032  Eriogonum davidsonii P. A. Munz 1937-5-29 15152 Riverside Deep Canyon, Santa Rosa Mountains. 1067 Comment
  RSA785066  Eriogonum davidsonii Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 74 Riverside Belvedere road, turn from Hwy 74, uphill towards white rocks. Comment
  SD22474  Eriogonum davidsonii Susan G. Stokes 1933-7-1 Riverside Roadside near Idyllwild 1524 Comment
  UC534918  Eriogonum davidsonii Susan G. Stokes 1933-7-1 76 Riverside road to Idyllwild Comment
  UCR203962  Eriogonum davidsonii Michael Wall 2008-10-6 495 Riverside Perris-Aguanga Basin, San Jacinto Valley, Bautista Road southeast of Hemet, Bautista Creek c. 6.0 mi southeast of Fairview Ave. 778 Comment
  UCR240620  Eriogonum davidsonii Tracy Tennant, Mitch Provance 1998-6-16 MOR- 432 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon, in wash just north of woodland stand M15 1098 Comment
  CAS-BOT-BC256133  Eriogonum deflexum var. deflexum John Thomas Howell 1928-1-29 3294 Riverside Painted Canyon, Colorado Desert Comment
  JEPS57021  Eriogonum elongatum var. elongatum Marjorie D. Clary 1932-9-22 1562 Riverside n Banning; San Gorgonio Mts. 914 Comment
  JOTR34388  Eriogonum fasciculatum var. flavoviride Andre, Jim 2012-4-16 20915 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 3.1 miles north of South Entrance, 4.1 miles north of I-10 788 Comment
  RSA49381  Eriogonum fasciculatum var. flavoviride P. A. Munz 1949-4-12 13030 Riverside North base of Eagle Mts., Mojave Desert. 945 Comment
  RSA708051  Eriogonum fasciculatum var. polifolium Scott D. White, Angelia Carey 2004-4-16 10168 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 Comment
  RSA771762  Eriogonum fasciculatum var. polifolium Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4575 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR92251  Eriogonum fasciculatum var. polifolium Scott D. White, M. A. Patten 1995-8-16 3546 Riverside San Jacinto Valley, Just west of Hemet, valley floor and foothills at SE margain of Lakeview Mts. north of Florida Ave. (SR 74) and west of California Avenue 500 Comment
  SBBG62102  Eriogonum gracile P. A. Munz, I. M. Johnston 1928-9-12 11255 Riverside Temescal Cyn Comment
  UC64569  Eriogonum gracile H. M. Hall 1897-8-29 866 Riverside Riverside Comment
  RSA0088351  Eriogonum inflatum Phung Hoang 2016-4-9 17 Riverside LA basin, White water canyon reserve. 536 Comment
  UCD100271  Eriogonum inflatum John Green; Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Beach, 1.5 mile transect along Coachella right-of-way, between siphons 25 and 26, NE of Hunters Spring, enar S base of Orocopia Mtns. 23 Comment
  JEPS56774  Eriogonum maculatum Marjorie D. Clary 1932-5-25 1694 Riverside Pleasant Valley Colorado Desert, Hexie Mountains, Pleasant Valley 1066 Comment
  CAS-BOT-BC270600  Eriogonum molestum James L. Reveal; Caroline G. Reveal 1972-8-9 2865 Riverside Along California Highway 243, 1.6 miles northwest of Alandale Ranger Station about 7 miles north of Idyllwild, near Fuller Mill Creek, San Jacinto Mountains Comment
  CAS-BOT-BC268793  Eriogonum nidularium Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9554 Riverside Cottonwood Springs Canyon Comment
  UC64502  Eriogonum nudum var. pauciflorum H. M. Hall 1897-8-12 824 Riverside from Strawberry to Tamarack Valley Comment
  SEINET182561  Eriogonum plumatella Carl B. Wolf 1932-10-11 4283 Riverside Morongo Wash at the San Bernardino Co. line, Riverside County. Lower Sonoran Zone. 732 Comment
  CHSC26395  Eriogonum pusillum Dieter H. Wilken; Gary D. Wallace 1966-3-4 673 Riverside Base of the Little San Bernardino Mtsn. west of Indio along the Dillon Rd. 304 Comment
  RSA254045  Eriogonum reniforme Noel Holmgren, Patricia K. Holmgren, Ruth E. Kern 1973-3-23 6479 Riverside At south entrance to Joshua Tree National Monument, near I-10, 24 miles east of Indio. 549 Comment
  JEPS56270  Eriogonum thomasii Marjorie D. Clary 1932-5-25 1695 Riverside Berdoo Canyon Colorado Desert, Little San Bernardino Mts., Berdoo Canyon 762 Comment
  SBBG81367  Eriogonum thomasii S. A. Junak 1983-3-23 1635 Riverside E side of Jefferson Rd across from entrance to Cahuilla Lake County Park, S of Indio Comment
  UCR103576  Eriogonum thomasii George K. Helmkamp, E. A. Helmkamp 1998-1-17 2542 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road ENE of Mecca and on the north side of the Coachella Canal .3 Comment
  UCR75076  Eriogonum thomasii A. C. Sanders, E. J. Lawlor 1992-4-4 12120 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UCR89726  Eriogonum thomasii J. M. Stewart 1993-3-10 678 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; Corn Springs Rd, 2 mi south of Chuckwalla Rd. Comment
  CAS-BOT-BC262870  Eriogonum thurberi Susan G. Stokes 1933-7-1 74 Riverside Road to Idyllwild 1219 Comment
  UC217964  Eriogonum thurberi P. A. Munz and I. M. Johnston 1922-5-19 5348 Riverside 5 mi ne Murietta 457 Comment
  RSA682081  Eriogonum trichopes Scott D. White, Michael Honer 2003-4-30 9142 Riverside Shavers Valley. About 1-2 miles south west of unnamed freeway exit at pumping station. 396 Comment
  RSA420614  Eriogonum wrightii var. membranaceum Albert J. Perkins 1916-9-1 s.n. Riverside Idyllwild. Comment
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Mar 21 2011
  UCR5722  Eriogonum wrightii var. membranaceum O. F. Clarke 1966-10-5 661005- 41 Riverside Peninsular Range; Santa Rosa Mtns., Santa Rosa Mountain Rd., first wooded canyon -- near University of California, Deep Canyon Desert Research Center 1829 Comment
  POM224889  Eriogonum wrightii var. nodosum P. A. Munz 1936-5-5 14593 Riverside Whitewater Creek, 2 miles north of main Hwy, northeastern corner of Coachella Valley. Comment
  UC1929496  Eriophyllum ambiguum var. paleaceum Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10480 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  CAS-BOT-BC297340  Eriophyllum confertiflorum Ynez Whilton Winblad 1937-4-23 s.n. Riverside Between Beaumont and Riverside Comment
  POM29802  Eriophyllum confertiflorum Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  RSA494630  Eriophyllum confertiflorum Maureen H. Pendleton 1987-5-20 s.n. Riverside Ca. 0.8 mi. (airline) WSW of town of Anza on Terwilliger Rd. 1280 Comment
  SDSU4085  Eriophyllum confertiflorum H. Wedberg 1962-5-23 946 Riverside 4.8 miles from Hwy 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
  UCR279417  Eriophyllum lanosum A. C. Sanders, Jim Malusa 2017-3-25 42993 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  CAS-BOT-BC301789  Eriophyllum multicaule Marcus E. Jones 1882-4-25 3173 Riverside San Jacinto Comment
  UCR34871  Eriophyllum multicaule L. B. Ziegler 1969-4-25 348 Riverside San Jacinto Valley, hills on west side of valley in Coyote Pass area 518 Comment
  RSA444566  Eriophyllum pringlei Walter Wisura 1988-3-23 4210 Riverside Highway 62 immediately E of Robinson Road, West of Twentynine Palms. Comment
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Sep 7 2013
  POM358159  Eriophyllum wallacei Norman C. Cooper 1944-3-25 1022 Riverside Morongo Pass. 457 Comment
  RSA801814  Eriophyllum wallacei LeRoy Gross, Evan Meyer 2013-5-21 6108 Riverside West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley. Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near [coordinates given.] 1631 Comment
  SDSU4119  Eriophyllum wallacei T. Bruhns 1965-5-23 130 Riverside At 2,000 ft., sign along state highway 74, below Idyllwild. 610 Comment
  UCR178611  Eriophyllum wallacei Mitch Provance, Tracy Tennant 1998-6-16 MOR- 388 Riverside San Bernardino Mtns., Morongo Indian Reservation, 0.5 mi. north of junction of East Branch and Millard Canyon 1220 Comment
  UCR86646  Eriophyllum wallacei A. C. Sanders, J. C. Dice, K. C. Rose, D. Woodard 1995-3-29 16269 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  CDA35049  Erodium brachycarpum Scott D. White, Justin Wood 2008-3-25 11775 Riverside Perris/Elsinore Basin; Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon Morgan Property, Alberhill area. Comment
  SDSU13539  Erodium cicutarium W. Miller with C. Mosse 1972-7-20 Riverside Comment
  UCR102738  Erodium cicutarium B. G. Pitzer 1998-2-1 3433 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, alluvial fan on north side of lakebed, from paved road down to lakebed 427 Comment
  UCR272902  Erodium cicutarium Duncan S. Bell, Amanda Bell, Evan Bell (in utero) 2012-1-28 3067 Riverside Mojave Desert, east side of the Arica Mountains, Rice Valley, c. 6 air miles southeast of the ghost town of Rice 202 Comment
  UCR41361  Erodium cicutarium N. M. Fellows 1985-3-3 89 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mountain, l mile west of Snow Creek Village 489 Comment
  RSA660656  Erodium cicutarium Carol A. Shideler 1981-4-11 12 Riverside Lake Mathews El Cerrito, E on Cajalco Rd, 6 mi. of Corona .5 mi W of Pacifico Clay Company, mi. 52086.2. Comment
  UCR214276  Erodium texanum A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37482 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
  UCR279493  Erodium texanum A. C. Sanders, Jim Malusa 2017-3-25 43004 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  UCR154547  Eryngium aristulatum var. parishii Jason L. Hlebakos 2005-5-13 680 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, large vernal pool on Mesa de Colorado, c. 4 mi SE of Squaw Mtn 634 Comment
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Feb 3 2015
  HSC78564  Erysimum capitatum A. C. Sanders 1980-7-18 1651 Riverside Thomas Mtn., campground to the summit at the lookout 1982 Comment
  RSA0020239  Erythranthe floribunda Steve Boyd 1991-6-8 6330 Riverside Pinyon Flats area near Ribbonwood. White calcareus outcrop forming small hill N of Hwy 74 Comment
  RSA0019318  Erythranthe guttata R. S. Woglum 1937-5-22 549 Riverside Santa Rosa Mountains, near Santa Rosa Indian Reservation. 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
  GMDRC5487  Eschscholzia androuxii J. Andre 2012-4-16 20884 Riverside Little San Bernardino Mountains: along Cottonwood Spr. Rd, 1.0 mi. north of South Entrance 584 Comment
  RSA433640  Eschscholzia caespitosa subsp. caespitosa D. A. Young 1969-3-28 P 394 Riverside 1/2 Mile NE of interstate 10 on Verbenia Ave. 100 yds S of Chaparral Rd on the SW side of Verbenia Ave. 335 Comment
  RSA433686  Eschscholzia californica G. R. Johnstone 1934-3-27 18569 Riverside Near Wildomar. Inland route to Temecula. Comment
  UCR274075  Eschscholzia californica T. B. Salvato, Gregg Miller 2005-6-7 1432 Riverside Peninsular Range, Gavilan Hills, along Hill Top Drive, 1.7 mi NE ( 54.8 deg. ) of the Lake Street junction with Hwy I-15, and 1.8 miles west of El Toro Road, near benchmark 2349 695 Comment
  UCR281243  Eschscholzia californica Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-27 317- 74 Riverside Temescal Valley, North side of Concordia Ranch Rd., slopes just east of Black Powder Rd. 393 Comment
  HSC99167  Eschscholzia glyptosperma Paul J. CaraDonna 2009-3-17 128 Riverside Jumbo Rock Campground, Joshua Tree National Park. Comment
  UC1922540  Eschscholzia glyptosperma Michael Honer with L. Hulse 2005-3-7 2031 Riverside Colorado Desert; Little San Bernardino Mountains region: Blind Canyon; appx. 1/2 mi. N of Desert Hot Springs. Comment
  CAS-BOT-BC83140  Eschscholzia minutiflora Richard Snow 1952-4-13 7 Riverside Box Canyon, Orcopia Mountains. Comment
  CHSC35481  Eschscholzia minutiflora James Henrickson 1973-3-18 8608 Riverside Ca 33 (air) miles E of Temecula, 5-7 miles SE of Terwilliger at N end of Coyote Canyon Road, on the first steep grade down to the canyon. 792 Comment
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Dec 5 2012
  CAS-BOT-BC83128  Eschscholzia minutiflora Carl B. Wolf 1932-4-29 3106 Riverside Eastern Colorado Desert. Blythe - Rice Road. 9 miles south of Browns Weel. 243 Comment
  SEINET5339996  Eschscholzia minutiflora var. darwinensis I. W. Clokey 1935-4-17 6628 Riverside Cottonwood Springs. Comment
  RSA0022893  Eschscholzia papastillii I. W. Clokey 1935-4-17 6631 Riverside Cottonwood Springs. Colorado desert. Comment
  CHSC26411  Eschscholzia parishii John Collins 1970-5-9 211 Riverside Ca. 10 miles NNE of Indio, 1.5 miles into Berdoo Canyon on Berdoo Cyn. Rd. in Little San Bernardino Mtns. 670 Comment
  SEINET3094860 Image available Eschscholzia parishii Norman C. Cooper 1949-4-8 3291 Riverside Indio, Shaver's Summit east of Indio 610 Comment
  UCR167412  Eschscholzia parishii John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  RSA0010859  Eucalyptus camaldulensis Scott D. White 1998-6-28 6794 Riverside Corona: River Road bridge over the Santa Ana River. 160 Comment
  UCR46722  Eucalyptus camaldulensis B. G. Pitzer, D. C. Hawks 1986-12-2 359 Riverside Peninsular Range, Temescal Canyon, c. 1 mi north of Glen Ivy Hot Springs and 0.5 mi west of I-15 off Lawson Drive between Temescal Canyon Road & Warm Springs Dr. 336 Comment
  RSA496136  Eucrypta chrysanthemifolia Steve Boyd, Tim Ross, L. Arnseth 1989-3-19 3022 Riverside Vail Lake area,1 mile W of Lake 610 Comment
  UCR49223  Eucrypta chrysanthemifolia var. chrysanthemifolia Steve Boyd 1986-4-2 1602 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  POM305588  Eucrypta micrantha Henry J. Ramsey, Henry J. Ramsey 1937-3-2 894 Riverside Blythe, Colorado River bluffs. Comment
  SD227860  Eulobus californicus A. C. Sanders 1994-5-15 14484 Riverside Mount Rubidoux: NW side of Riverside on the east bank of the Santa Ana River. 399 Comment
  UCR240266  Euphorbia abramsiana Neal Kramer, Wendy McBride, Kyle Christie, Suzanne Rhodes 2012-9-5 2072 Riverside Sonoran (Colorado) Desert, NW of Blythe, north side of 6th Ave. c. 1/2 mile west of Colorado River 87 Comment
  UCR120909  Euphorbia albomarginata A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24947 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  SD186179  Euphorbia hirta A. C. Sanders, G. K. Helmkamp 1996-3-17 17992 Riverside Rancho Mirage, intersection of Dinah Shore Dr. and Duval Dr., at Cathedral City limits. 98 Comment
  RSA737258  Euphorbia maculata Scott D. White 2008-8-20 12536 Riverside Perris Basin: City of Moreno Valley, Perris Blvd. between Krameria and Oleander Streets. 445 Comment
  SEINET255215  Euphorbia maculata R. D. Goeden, D. W. Ricker 1965-6-18 Riverside Riverside, north side of Blaine st. just west of Gaga Canal. 313 Comment
  UC110913  Euphorbia palmeri A. W. Anthony 1895-7-9 Riverside San Jacinto Mountains 2590 Comment
  RSA697600  Euphorbia polycarpa J. R. Bruff 1927-3-12 2 -V Riverside 3 mi. S of Garmet; 8 Palms Comment
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Nov 12 2011
  UCR103901  Euphorbia polycarpa B. G. Pitzer 1997-4-11 3105 Riverside Lakeview Mtns, spur off Pulsar View Road leading to utility tower, c. 1 mi by road from the base of the hills. c. 3/4 mi (air) SW of Mt. Rudolph. 604 Comment
  UCR107449  Euphorbia polycarpa B. G. Pitzer 1997-10-19 3360 Riverside Sonoran (Colorado) Desert, north foot of Chuckwalla Mtns., Eagle Mtn. Road on south side of Hwy I-10, c. 0.8 mi. south of Hwy at powerline road 500 Comment
  OBI14408  Euphorbia polycarpa var. hirtella Lewis S. Rose 1966-12-11 66099 Riverside La Quinta 91 Comment
  RSA432488A  Euphorbia polycarpa var. hirtella N. C. Cooper 1949-4-8 3270 Riverside Mecca Pass east of Indio. 548 Comment
  UCR57893  Euphorbia setiloba J. M. Stewart 1989-9-17 601 Riverside Western Colorado Desert, Coachella Valley, Pushawalla Canyon, Indio Hills. Comment
  UCD142492  Euphorbia spathulata Robert F. Thorne; Earl Lathrop 1969-5-12 37934 Riverside Rancho California; Santa Rosa Plateau; Mesa de Colorado. 624 Comment
  SEINET8720621 Image available Fagonia chilensis Helen K. Sharsmith 1952-1 4062 Riverside Larrea-Olneya association. Northwest base of Chuckawalla Mountains seven miles south of Highway 60-70. 533 Comment
  JOTR33810  Fagonia laevis La Doux, Tasha, B. Truesdell 2007-11-9 3327 Riverside Joshua Tree National Park. Eagle Mountains; south of Munsen Canyon, canyon parallel to and east of Lost Palms Canyon along south park boundary (STOP 4) 649 Comment
  RSA391201  Fagonia laevis Jack Rempel, Lester H. Cushman 1932-3-13 15516 Riverside Deep Canyon Colo. Desert. Comment
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Dec 10 2011
  JOTR31929  Fagonia pachyacantha La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2169 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky wash draining into west Pinkham Wash Comment
  UC1951122  Fagonia pachyacantha Scott D. White, Justin Wood 2009-3-24 12573 Riverside COLORADO DESERT: Western foothills of Mecca Hills, +/- 0.5 air mile east of the Coachella Canal and 4 air miles S of the I-10 Freeway. USGS Thermal Canyon 7.5' Quad. Comment
  CDA43476  Fatoua villosa Chandler & Mellor 2015-11-13 PDR# 331 P06143073-1 Riverside Menifee; Ramirez Foliage, 32883 Ascot Way. 0 Comment
  CAS-BOT-BC56785  Ferocactus cylindraceus P. A. Munz; I. M. Johnston 1922-5-7 5295 Riverside Field redacted by CAS, contact the data manager for more information Comment
  UCR201876  Festuca arundinacea Justin M. Wood 2008-9-22 158 Riverside SW Perris Basin, Temecula/Murrieta Creek, downstream of 1st Street bridge 305 Comment
  UCR2403  Festuca microstachys F. M. Reed 1928-7-10 5984 Riverside San Jacinto Mtns, Strawberry Creek at Camp Emerson, Idyllwild 1524 Comment
  UCR5908  Festuca myuros Leland E. Francois 1966-3-29 32966- 2 Riverside Riverside, SE corner US Salinity Laboratory property, located at the corner of 14th St. and Palm Ave. 290 Comment
  UCR125218  Festuca myuros var. myuros Mitch Provance 1998-5-5 522 Riverside City of Riverside, Hillside area, near Central Ave., along the N periphery of the Riverside Airport, south of the Wall Street Journal Ofc. 250 Comment
  RSA500100  Filago californica Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3210 Riverside Vail Lake Area, W end of bench on S flank of Oak Mt. 518 Comment
  RSA628477  Filago californica A. C. Sanders 1994-5-30 14613 Riverside Foothills NNE of Beaumont. 950 Comment
  UCR117676  Filago californica Scott D. White 1997-5-25 5228 Riverside San Jacinto Mtns, Bautista Canyon: Hixon Trail (USFS No. 2E43), between trailhead at Bautista Canyon Road and intermittent stream crossing at c. 3200 ft 976 Comment
  UCR20728  Filago californica A. C. Sanders, Steve Boyd 1980-5-2 1405 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  RSA343097  Filago gallica R. F. Thorne 1985-5-18 60617 Riverside Santa Rosa Plateau: Burned-over chapparral along Clinton Keith Road, near base of plateau. 427 Comment
  UCR156088  Filago gallica T. B. Salvato, Kent Beaman 2005-5-16 798 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
  SEINET7048207  Filago gallica Steven R. Hill, Andrew C. Sanders 2001-5-4 33719 Riverside Santa Rosa Plateau, eastern rim, north side of Avenida del Oro, just east of junction with Sandia Creek Drive, 2 miles west of junction of Rancho California Road and Route I-15. Elevation 1570 - 1670 feet. 509 Comment
  UCR31848  Flaveria trinervia A. C. Sanders 1981-10-31 2392 Riverside McKinley St. between Riverside & Corona, 0.3 mi north of Hwy 91 & c. 100 yards west of McKinley 305 Comment
  UCR207619  Forestiera pubescens O. F. Clarke 2005-10-15 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River c. 200 m below old Salt Lake Railroad bridge 215 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
  SFV6325  Fouquieria splendens T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 42 Riverside 5 miles north of Highway 111 on Highway 74. Growing adjacent to roadside. 100 Comment
  JEPS83134  Fouquieria splendens subsp. splendens R. P. Allen 1935-3-23 Riverside Shaver's Well Comment
  RSA0018945  Fragaria vesca Louis C. Wheeler 1931-10-4 209 Riverside San Jacinto Mountains. Strawberry Valley. 1585 Comment
  CLARK-A1528-3991  Fragaria vesca subsp. californica John C. Roos 1947-5-24 3638 Riverside San Jacinto Mountains Comment
  CAS-BOT-BC211662  Frankenia salina Peter H. Raven; Sidney R. Snow 1956-6-30 9530 Riverside 4.7 miles east of Temecula on Highway 71 Comment
  JEPS30096  Frankenia salina S. B. Parish 1897-5-31 4396 Riverside Elsinore 396 Comment
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Nov 24 2011
  UCR275584  Frankenia salina T. B. Salvato 2005-6-13 605- 10 Riverside Peninsular Range; Temescal Valley, c. 1.5 mi N of Lake Elsinore at Nichols Road, between the intersection of Pierce and Baker Streets and Alberhill Creek, S of Hwy I-15 390 Comment
  UCR89686  Frankenia salina Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  RSA284586  Frasera parryi C. W. Tilforth, John Dourley 1980-7-15 2081 Riverside South leg of Thomas Mountain Road, south of Lake Hemet, west of Hiway 74. Comment
  UC22603  Fraxinus velutina Mrs. Flora C. R. Price 1901-8-1 Riverside sw base San Jacinto Mt. 670 Comment
  UCR259203  Fraxinus velutina Mitch Provance 2012-3-30 312- 02 Riverside San Gorgonio Pass, south of Banning at Smith Creek, near the corner of Coyote Trail and Old Idyllwild Rd. 693 Comment
  UCR177659  Fraxinus velutina var. coriacea P. A. Munz 1922-6-24 5810 Riverside Peninsular Range; San Jacinto Mtns., Pipe Creek, near Kenworthy 1524 Comment
  UCR234255  Funastrum cynanchoides A. C. Sanders, T. B. Salvato 2012-4-27 40098 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy/I-15 and Indian Truck Trail, c. 500 m SE of El Hermano Rd. 325 Comment
  UCR256743  Funastrum cynanchoides T. B. Salvato, Matthew Malle 2013-4-11 7532 Riverside Gavilan Hills, southeastern slopes, hill above Black Powder Canyon and c. 0.5 mi north of the Temescal Canyon 419 Comment
  RSA667307  Funastrum cynanchoides var. hartwegii B. Pitzer 1989-4-16 1309 Riverside Chocolate Mountains Aerial Gunnery Range. 4 km W of Tabaseca Tank, in Impact Area. 620 Comment
  POM97113  Funastrum cynanchoides var. hartwegii P. A. Munz 1925-5-20 9845 Riverside Aguanga Valley Comment
  SEINET192377  Funastrum heterophyllum Ira L. Wiggins 1941-3-26 9663 Riverside Along wash at Wiley Well. Comment
  RSA645641  Funastrum hirtellum Scott D. White 1999-4-20 7278 Riverside Blythe Area: Southern foothills of the Big Maria Mts., northwest of Calif. Hwy. 95, ca. 7 road miles north of Interstate 10 / Intake Blvd. jtn. in Blythe., 33 42 1/2'N, 114 34 91 Comment
  SEINET7248310  Funastrum hirtellum Duncan S. Bell, LeRoy Gross 2014-1 6273 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  RSA500082  Galium andrewsii subsp. andrewsii Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-4-2 3230 Riverside Vail Lake area: Between Kolb Creek and Temecula Creek, forming peninsula at SW end of lake. Comment
  UCR230923  Galium angustifolium T. B. Salvato, Richard Camacho 2011-6-12 5476 Riverside Peninsular Range, Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles 372 Comment
  JEPS56075  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and G. L. Stebbins 1966-1-21 4177 Riverside Hwy 79 10.1 mi s Hemet (e-facing slope in hills) Comment
  POM17946  Galium angustifolium subsp. angustifolium Philip A. Munz 1923-6-14 7118 Riverside Glen Ivy Trail to Santiago Peak. 1159 Comment
  POM319092  Galium angustifolium subsp. angustifolium Patricia Wilder 1971-5-13 4943 Riverside Prado Flood Control Basin; at top of Prado Dam on west end. 229 Comment
  RSA772405  Galium angustifolium subsp. angustifolium Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4860 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  UCR95945  Galium angustifolium subsp. angustifolium Scott D. White 1996-8-1 4455 Riverside San Jacinto Mtns., Twin Pines area, just north of Twin Pines Road, c. 0.5 air mi. west of Twin Pines Ranch. 1143 Comment
  RSA500216  Galium angustifolium subsp. gracillimum Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3527 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA673734  Galium porrigens var. porrigens Scott D. White, W. La Haye 2000-5-27 7937 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  SD70518  Galium porrigens var. porrigens Lauramay T. Dempster, G. Ledyard Stebbins 1966-6-17 4243 Riverside Red Hill Road, 0.9 mile north of Alvin Meadows, San Jacinto Mountains 1661 Comment
  UCR89531  Galium stellatum Bern Schwenn 1994-4-30 s.n. Riverside southern Mojave Desert, Joshua Tree National Monument. E side of Hexie Mtns., along Ruby Lee Well Road, between paved Pinto Basin Road and the divide. 823 Comment
  CAS-BOT-BC178389  Garrya flavescens Carl B. Wolf 1939-1-20 9485 Riverside East side Santa Ana Mts., along Eagle Motor Way, 1 mi. below summit. 914 Comment
  UC1375312  Garrya flavescens Larry E. DeBuhr 1972-3-23 529 Riverside Santa Rosa Mts. San Bernardino National Forest (across the valley from Santa Rosa Springs, on s-facing slope below the TV transmitter station) 2316 Comment
  POM261676  Garrya flavescens var. pallida W. Pequegnat 1940-12-28 s.n. Riverside Santiago Pk., Santa Ana Mts. Comment
  RSA748224  Garrya veatchii T. Scott, A. Townesmith, K. M. Meyer 2007-3-9 115 Riverside Cleveland National Forest. 0.8 mile down Woodridge Rd. in town of Oak Grove, at Oak Grove trailhead. 855 Comment
  UCR213903  Garrya veatchii Scott D. White, Justin M. Wood 2009-5-22 12906 Riverside San Jacinto Mountains, Idyllwild area, 'Strawberry Fuelbreak' between Strawberry Creek and road to sewage ponds 1456 Comment
  POM147632  Gastridium phleoides F. M. Reed 1926-5-15 5340 Riverside Menifee Valley Comment
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Apr 3 2011
  POM17812  Gayophytum diffusum subsp. parviflorum P. A. Munz, D. D. Keck 1923-6-14 7092 Riverside Santiago peak, Santa Ana Mountains. 1616 Comment
  UC20259  Gayophytum diffusum subsp. parviflorum H. M. Hall June, 1901 2279 Riverside vicinity of Strawberry Valley San Jacinto Mountains 1584 Comment
  UC20261  Gayophytum diffusum subsp. parviflorum H. M. Hall July, 1901 2347 Riverside Tauquitz Valley San Jacinto Mountains 2438 Comment
  CAS-BOT-BC303570  Geraea canescens N. Aitkenhead 1977-1-31 2117 Riverside 6 miles W of junction of 1000 Palms Canyon Rd Comment
  RSA780572  Geraea canescens Stephanie Rockwood, Christi Gabriel 2011-11-1 194 Riverside Pallen Dunes Road, Ford Dry Lake area. I10 exit 217. Chuckwalla Valley. 107 Comment
  SBBG44596  Geraea canescens Leota Davidson 1966-4-3 229 Riverside below Washington Street overpass, Interstate 10, ca. 5.5 mi W of Indio Comment
  UC489175  Geraea canescens C. V. Meyer 1928-5-25 418 Riverside s Oasis; Colorado Desert Comment
  UCR260964  Geraea canescens Duncan S. Bell 2013-1-30 4457 Riverside Sonoran (Colorado) Desert, the Mecca Hills, beside the Coachella Canal and the powerlines at the base of the mountains in narrow desiccating depressions where winter rains had collected 23 Comment
  POM12072  Geranium californicum Mary F. Spencer 1921-7-3 1171 Riverside Damp meadows in shade. Idyllwild. San Jacinto Mountains. 1616 Comment
  UCR166296  Gilia A. C. Sanders, J. C. Dice, K. C. Rose, D. Woodard 1995-3-29 16244 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  RSA556489  Gilia angelensis Julie Greene 1993-3-13 1061 Riverside On slope by trailers. 426 Comment
  RSA614703  Gilia angelensis George K. Helmkamp, Elizabeth Helmkamp 1997-3-5 1326 Riverside 2.8 mi SE of Gilman Hot Springs. 518 Comment
  SD247689  Gilia angelensis J. Mark Porter, Lauren E. Machen 1997-2-15 11425 Riverside North of Interstate 15 at the Lake Street/Walker Canyon exit, 4.4 miles NE of the Highway 74 exit at Lake Elsinore. 118 Comment
  SEINET2445411  Gilia angelensis Daphne K. Christopher, Hannah Stevens 2003-4-6 106 Riverside Motte Rimrock Reserve. Off Sage Rd. 540 Comment
  SEINET7073393  Gilia angelensis A. G. Vestal 1963-4-23 s.n. Riverside About 0.6 mile up Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  UCR126366  Gilia angelensis A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 694 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR20565  Gilia australis N. R. Zabriskie 1978-3-16 780 Riverside San Jacinto Mountains, S side of stream near intake, Andreas Canyon, E slope of mountains 610 Comment
  SDSU15207  Gilia capitata Wende Rehlaender 1983-5-22 107 Riverside Reche Canyon, approx. 6 miles from NW end of Reche Canyon Road., just SE of Reche Vista Road; about 3 miles north of Sunnymead. Comment
  SJSU11613  Gilia capitata subsp. abrotanifolia N. D. Addy 1962-4-16 Riverside Hwy 71 5 mi SE of Alberhill Comment
  UC218261  Gilia capitata subsp. abrotanifolia P. A. Munz and I. M. Johnston 1922-5-19 5434 Riverside Hemet Valley , Hemet Valley (San Jacinto Mts.) 1402 Comment
  UC52725  Gilia capitata subsp. abrotanifolia H. M. Hall 1902-4-26 2985 Riverside Greene Canyon vicinity of Riverside, Greene Canyon 609 Comment
  RSA0014599  Gilia latifolia Justin M. Wood, J. Miner 2010-4-30 1552 Riverside Coachella Valley: Thousand Palms, just E of intersection of Ramon Rd. and Vista de Oro, just NE of Edison substation. 61 Comment
  CAS-BOT-BC407807  Gilia ochroleuca subsp. exilis H. M. Hall 1902-4-1 2912 Riverside Vicinity of Winchester 365 Comment
  UC908023  Gilia ochroleuca subsp. exilis Herbert L. Mason 1926-4-30 3112 Riverside 1 mi s Temecula; Temecula Canyon, s of Temecula Comment
  UCR281257  Gilia ochroleuca subsp. exilis Mitch Provance, Jeremiah George 2017-3-23 317- 63 Riverside Temescal Valley, Indian Wash, NE of I-15 and S of Temescal Canyon Rd. 351 Comment
  RSA0017275  Gilia ochroleuca subsp. exilis F. W. Peirson 1938-5-30 12413 Riverside Thomas Mountain, Hemet Valley. 1402 Comment
  RSA0095188  Gilia ochroleuca subsp. exilis Steve Boyd 1981-5-15 s.n. Riverside Gavilan Hills region, Temescal Canyon at the confluence of 'Estelle Creek' and Temescal Creek, just northwest of the entrenched meander of Temescal Creek at the western base of Estelle Mountain. 317 Comment
  GMDRC9815  Gilia stellata J. M. Andre 2017-3-1 38049 Riverside Chuckwalla Mountains: along powerline road 1.2 mi. SW of Interstate 10 at Eagle Mtn Rd exit 387 Comment
  POM74531  Gilia stellata Marcus E. Jones 1906-4-30 9986 Riverside Indio. Comment
  RSA776092  Gilia stellata Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy 2011-3-23 824 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 495 Comment
  UC1302375  Gilia stellata Robert F. Thorne 1963-3-29 32425 Riverside ca 12 mi ene Mecca (sandy desert wash); ene of Mecca Comment
  UCR214155  Gilia stellata T. B. Salvato 2010-4-20 4054 Riverside Sonoran (Colorado) Desert, alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 189 Comment
  RSA718873  Gilia stellata Michael Honer, L. Hulse 2005-3-7 2032 Riverside Blind Canyon; appx. 1/2 mi. N of Desert Hot Springs. 488 Comment
  RSA612952  Githopsis diffusa subsp. diffusa D. L. Banks 1997-3-29 1621 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border,, west of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  RSA656554  Gnaphalium palustre A. C. Sanders 2000-5-25 23420 Riverside Menifee Valley; S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake 439 Comment
  RSA613651  Guillenia lasiophylla D. L. Banks, Victor Steinmann 1997-3-13 1468 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
  UC10947  Guillenia lasiophylla H. M. Hall 1897-3-20 405 Riverside Gavilan Comment
  RSA0026295  Guillenia lasiophylla John F. Emmel 1991-4-22 1165 Riverside Oak Mountain NE of Pauba Valley; grassland scrub plateau area 0.7 air mile SW of 2706 peak of Oak Mtn. 595 Comment
  HSC5732  Gutierrezia californica C. L. Hitchcock, C. V. Muhlick 1964-3-17 23084 Riverside 8 mi. SE of Corona, along road to Elsinore Comment
  RSA0124742  Gutierrezia microcephala Duncan S. Bell, LeRoy Gross 2016-3-9 8843 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central section of range, approximately 1.75 air miles north of Gucci Spring. 551 Comment
  HSC84154  Gutierrezia sarothrae B. Pitzer, Jack Easton 1987-3-10 387 Riverside Anza area, hills S of Thomas Mtn., ca. 3 mi. E of town of Anza on N side of Hwy. 371 1341 Comment
  JEPS18965  Gutierrezia sarothrae W. L. Jepson 1901-5-17 1232 Riverside mesas e Riverside; Southern California, Riverside to Santa Rosa Peak and Paloma Comment
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Sep 11 2007
  SEINET189223 Image available Halliophytum hallii Annie M. Alexander, L Kellogg 1941-5-14 2171 Riverside 2.5 miles south of Cottonwood Spring Eagle Mountains 838 Comment
  UCR256809  Harpagonella palmeri T. B. Salvato, Matthew Malle 2014-4-10 7851 Riverside Perris-Aguanga Basin, Menifee, southeast corner of Bundy Canyon Road and Sunset Avenue 538 Comment
  RSA793030  Hedypnois cretica Justin M. Wood 2011-4-4 3392 Riverside San Bernardino Mountains Foothills: San Gorgonio River wash, off of Bluff Street, just east of Banning Bench. 881 Comment
  UCR126490  Hedypnois cretica A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16291 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  UCR128914  Hedypnois cretica A. C. Sanders, Mitch Provance 2001-4-5 23914 Riverside Perris-Aguanga Basin region, Long Canyon, Temecula, between gas pipeline route and 'windmill,' south of BM 1221 366 Comment
  RSA33578  Helianthus gracilentus N. C. Cooper 1944-6-4 1366 Riverside Elsinore Mountain; Lookout at top. 1066 Comment
  UC1063900  Heliotropium curassavicum H. S. Yates 1936-4-8 5452 Riverside 5 mi. s.e. Coachella; Thermal Quad. Comment
  UCR182435  Heliotropium curassavicum Mitch Provance 2005-5-17 6584 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
  UCR245798  Heliotropium curassavicum A. C. Sanders, T. B. Salvato, Ana Hernandez, Karyn Drennen, Angela Collada 2013-10-2 40960 Riverside Peninsular Range, Wilson Valley Preserve, 0.12 mi. S of Wilson Valley Rd., 1.1 mi. east of Sage Rd., 1.65 mi. east (87 deg. ) of Round Top Mtn. 770 Comment
  UC62905  Hemizonella minima H. M. Hall May 17, 1901-June 1, 1901 1802 Riverside Strawberry Valley San Jacinto Mt. 1600 Comment
  RSA736313  Hemizonia fasciculata Scott D. White, Justin M. Wood 2008-3-25 11781 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  POM17514  Hemizonia kelloggii P. A. Munz 1923-6-18 7124 Riverside 3 miles N of Lake Elsinore. 412 Comment
  UCR202419  Hemizonia kelloggii 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
  RSA614918  Hemizonia mohavensis A. C. Sanders, Schram, D. Wappler 1994-10-4 15769 Riverside San Jacinto Mts. N slope of mts.; Twin Pines Creek in vicinity of confluence w/ Brown Crk. & of the dirt road crossing. 854 Comment
  RSA678266  Hemizonia mohavensis Valerie L. Soza, S. D. Boyd, Neil Gilbert 2000-12-6 1067 -b Riverside McCall Memorial Park Campground. 1311 Comment
  RSA736978  Hemizonia mohavensis Scott D. White, Angelia Carey, Linca Archa 2004-8-5 10670 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  RSA655631  Hemizonia paniculata A. C. Sanders 1998-10-25 22297 Riverside Cahuilla Valley, 5.5 mi.W of Bautista Rd. on Hwy 371. [UTM 10km cell: 11S NH-2E, 0N. Durasno Valley] 1052 Comment
  RSA752295  Hemizonia paniculata Scott D. White 2009-8-10 13348 Riverside Temescal Valley: City of Temecula, West bank of Murrieta Creek, from Rancho Califonria Rd to Cherry St. 306 Comment
  SEINET1907213  Hemizonia paniculata Mitch Provance, A. Montalvo 2005-1 6702 Riverside Granitie Knolls and Mesas of Riverside: South Riverside (Prenda area), vicinity of the Prenda Arroyo, near the spillway of the Woodcrest Dam. 335 Comment
  UCR105990  Hemizonia paniculata D. L. Banks 1997-5-5 1952 Riverside NW Palomar Mtns., Agua Tibia Mtns: NW foothills of Dorland Mtns, along Los Caballos Road, approx 0.4 m south of Hwy 79, 150 m north of Anza Road. Along the W side of the road in areas burned by the 1996 Temecula Fire 390 Comment
  UCR260554  Hemizonia paniculata T. B. Salvato, Matt Malle 2014-5-29 8016 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Cottonwood Hills (= Sunset Ave), c. 1 mi west of Murrieta Rd and 4.3 mi southeast of Canyon Lake 534 Comment
  UCR130514  Hemizonia pungens subsp. laevis R. E. Riefner Jr. 2003-5-27 03- 248 Riverside Elsinore Trough, back basin of Lake Elsinore, south of Lake Elsinore inlet and west of Diamond Stadium off Pete Lehr Drive 384 Comment
  UCR225452  Herniaria hirsuta A. C. Sanders, T. B. Salvato 2011-3-29 38853 Riverside Peninsular Range; Perris-Aguanga Basin Region, valley at toe of hills between Sun City and Perris, powerline corridor between Goetz Rd. and Alabaster Loop, north of Goldenrod Ave. 448 Comment
  RSA740928  Heterocodon rariflorum Scott D. White, Justin M. Wood 2008-7-9 12429 Riverside K Flat, from large pond downstream to meadow. 1427 Comment
  SD136868  Heterocodon rariflorum Steve Boyd, Tim Ross & Dave Bramlet 1993-5-13 7380 B Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area; Wildhorse Canyon. 409 Comment
  CLARK-A1528-3994  Heteromeles arbutifolia John C. Roos, Lucille Roos 1952-6-21 5780 Riverside Reche Canyon 487 Comment
  RSA0075890  Heterotheca grandiflora Scott D. White, Angelia Carey 2004-6-4 10469 Riverside San Jacinto Mountain foothills: Indian Creek watershed, above confluence w/ San Jacinto River. Uplands around former homestead area SE of creek. 579 Comment
  UC1605394  Heterotheca sessiliflora subsp. echioides Steve Boyd 1994-10-14 8381 Riverside San Mateo Canyon at confluence with Bluewater Canyon (benches in canyon bottom); Southern Santa Ana Mountains, Cleveland N.F. 329 Comment
  UC1999900  Heterotheca sessiliflora subsp. fastigiata J. C. Semple, J. Chimielewski 1987-9-30 8985 Riverside CA-74,12.7 km S of CA-243, S of Lake Hemet. Comment
  RSA695437  Hibiscus denudatus Scott D. White, Michael Honer 2003-5-14 9291 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  UCR72176  Hibiscus denudatus Theo Glenn 1991-5-15 91- 38 Riverside Sonoran (Colorado) Desert, Little Maria Mountains, NW of Blythe 351 Comment
  UC1971213  Hieracium albiflorum Scott D. White, J. Greene 1998-8-1 6971 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. San Jacinto Peak USGS 7.5' quad. Comment
  UCR224685  Hilaria rigida Charles Hughes 2010-3-22 205 Riverside Sonoran (Colorado) Desert, about 9.4 miles south of Hwy 62, next to RR tracks 246 Comment
  RSA0031467  Hoffmannseggia glauca Kristin Forgrave, Josh Paolini 2013-8-7 27 Riverside At Ford Dry Lake, just north of I-10. Margins of lake bed. Comment
  CAS-BOT-BC206380  Hoffmannseggia microphylla P. C. Everett; N. F. Lolonis 1963-5-3 24492 Riverside SE. corner of Colima & Obregon Sts., La Quinta, western edge of Colorado Desert 91 Comment
  RSA707985  Hoita orbicularis Scott D. White, Angelia Carey 2004-5-7 10347 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 549 Comment
  RSA563904  Hordeum intercedens A. C. Sanders 1993-4-5 13686 Riverside Western edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74)., (Near 33 deg 46'N, 117 deg 03'W) 460 Comment
  CAS-BOT-BC285111  Hordeum marinum subsp. gussoneanum Philip A. Munz 1941-5-18 16651 Riverside North end of Santa Rosa Ranch, Elsinore Mts. 914 Comment
  SD181758  Hordeum murinum subsp. murinum Steve Boyd 2001-4-12 10418 Riverside Gavilan Hills: south base of Alberhill Mountain on flats north of Nichols Road and West os pierce Street, in the vicinty of the dite of Tera Cotta Comment
  CAS-BOT-BC148563  Horkelia clevelandii H. M. Hall 1901-7-1 2291 Riverside Strawberry Valley, San Jacinto Mts. 1615 Comment
  RSA46848  Horkelia cuneata subsp. puberula Charlotte M. Wilder 1904-5-15 82 Riverside North side of Jurupa Hills, NW of Riverside Comment
  SJSU1908  Horsfordia newberryi R. L. Fisher 1957-4-20 Riverside near Indio Comment
  SEINET5327479  Hosackia oblongifolia var. oblongifolia I. W. Clokey, E. G. Anderson 1935-8-21 6722 Riverside Fuller's Creek, San jacinto Mts. 1500 Comment
  CAS-BOT-BC312581  Hulsea vestita subsp. callicarpha P. A. Munz 1922-7-7 6056 Riverside San Jacinto Mts. Zigzag on trail south of Hidden Lake 2346 Comment
  CAS-BOT-BC312593  Hulsea vestita subsp. callicarpha F. Grinnell Jr. 1908-7-1 s.n. Riverside Tahquitz Valley 2438 Comment
  UCR55323  Hydrocotyle ranunculoides L. F. LaPre 1988-7-22 s.n. Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, at the begining of Oak Hill Trail, Nature Conservancy Preserve Comment
  NY43421  Hymenoclea salsola C. R. Annable 1995-3-10 2263 Riverside 1.6km S of Lake Cahuilla County Park Comment
  RSA643330  Hymenoclea salsola R. D. Goeden, D. W. Ricker 1974-3-1 s.n. Riverside Colorado Desert: Desert Center 305 Comment
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Apr 5 2011
  UCR104824  Hyptis emoryi George K. Helmkamp 1998-4-4 3178 Riverside Sonoran (Colorado) Desert, 2.3 mi. north of Hwy I-10 on Eagle Mtn Rd. 274 Comment
  UCR131018  Hyptis emoryi Karen Kirtland 1998-11-6 s.n. Riverside Sonoran (Colorado) Desert, sand and gravel mine c. 8 miles (airline) north of Blythe, SW of Big Maria Mtns. on Midland Road 137 Comment
  UCR177108  Iris pseudacorus Michael D. Wilcox 2004-5-18 s.n. Riverside San Bernardino Mtns., top of Banning Canyon along Forest Service Rd. 1372 Comment
  CDA8022  Isocoma acradenia var. eremophila G. D. Barbe 1973-10-19 1734 Riverside Coachella Water District Canal, west end of Airport Road, north of Lake Cahiuilla County Park, west of Thermal. 0 Comment
  UCR90976  Isocoma menziesii var. vernonioides Scott D. White 1995-12-30 3802 Riverside Perris Basin, SW of Perris, above S bank of San Jacinto River. 442 Comment
  RSA606526  Isoetes Jon E. Keeley 1980-4-5 7500 Riverside Mesa de Colorado on Santa Rosa Plateau, Santa Ana Mountains 650 Comment
  UC196112  Isomeris arborea S. B. and W. F. Parish Apr 1882 28 Riverside Whitewater Colorado Desert (borders of Colorado Desert) Comment
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Jul 15 2009
  SD240870  Iva axillaris A. C. Sanders, John F. Green 2012-5-27 40215 Riverside Peninsular Range; Perris-Aguanga Basin Region: eastern edge of Gavilan Hills, powerline route west of San Jacinto River and east of Hwy 74, 5.6 km SE of Perris. 441 Comment
  UCR96093  Iva axillaris G. R. Ballmer, K. T. Stockwell 1996-6-1 s.n. Riverside E of Murrieta: Warm Springs Creek c. 1/2 way between Murrieta Hot Springs Rd. and Los Alamos Rd. 366 Comment
  POM361291  Iva axillaris subsp. robustior N. C. Cooper 1944-7-15 1594 Riverside Palms to Pines Highway, San Jacinto Mountains. 1372 Comment
  UCR21379  Ivesia callida K. Berg 1980-7-30 s.n. Riverside San Jacinto Mtns., S ridge of Tahquitz Peak 2439 Comment
  RSA597055  Jepsonia parryi D. L. Banks, Lauren Raz 1996-11-5 1162 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, S of San Gabriel Church; E of a newly established firebreak along a NW-SE running ridgeline, SW of the water tank in section 34. 390 Comment
  SD227840  Juglans californica A. C. Sanders, K. C. Rose 1999-6-18 22803 Riverside Skinner/Domenigoni area; French Valley, E side of Washington Ave., 1/2 mile S of Rawson Rd (Winchester 7.5'Q). Valley botton, probably subirrigated. 438 Comment
  RSA780936  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37147 Riverside Peninsular Range: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  IRVC28523  Juglans nigra A. C. Sanders, J. Goetzen 1996-5-1 18134 Riverside Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, N of Banning. San Bernardino Mtns. 793 Comment
  SDSU13313  Juncus arcticus var. mexicanus Shawn Johnston, Calf. Plant Taxonomy Class Spring 2000 2000-4-1 14 Riverside Santa Margarita Ecological Reserve North end. Comment
  RSA567472  Juncus balticus subsp. ater Scott D. White 1993-5-29 1484 Riverside San Bernardino Mountains: Banning Canyon and Big Oaks Canyon along the road to Raywood Flat, Yucaipa Ridge. 1220 Comment
  UC1543042  Juncus bufonius Donald G. Nelson 1936-5-21 375 Riverside just e Jurkey Creek Camp area (e of Lake Hemet, and n of Mt. Thomas); San Jacinto Mountains Comment
  UCR106052  Juncus bufonius A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20705 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek [c. 2.5 miles below Twin Pines Rd. on dirt road] 854 Comment
  UCR26145  Juncus bufonius John C. Roos 1952-4-30 5602 Riverside Edgemont, near Box Springs 488 Comment
  RSA713779  Juncus dubius A. C. Sanders, Steve Boyd, J. S. Ross, Mitch Provance 1998-10-25 22274 Riverside Hwy 74, roadside seep ca. 2 miles below (west of) Mountain Center.11S NH-2E, 2N 1250 Comment
  SBBG57264  Juncus effusus R. Hoffmann 1929-9-7 Riverside San Jacinto Mtns Comment
  SD122850  Juncus effusus subsp. austrocalifornicus Steve Boyd 1985-8-7 1106 Riverside Santa Rosa Plateau Region, northwest base of Redonda Mesa on Tenaja Road, 0.8 mile east of junction with 8S01 and 8S02. In wet, muddy swale along road. Comment
  UC1601743  Juncus effusus subsp. austrocalifornicus H. M. Hall Jul 1901 2390 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1645 Comment
  UCR193904  Juncus effusus subsp. austrocalifornicus A. C. Sanders, Mitch Provance 2008-7-11 35778 Riverside Peninsular Range; San Jacinto Mtns., FS road 5S02 to Coldwater Creek below road to helipad, 1 mi. NE of Mountain Center, c. 1/2 mile NE of Keenwild Fire Station 1463 Comment
  UC2572  Juncus macrophyllus H. M. Hall 1901-7-20 2522 Riverside vicinity of Strawberry Valley San Jacinto Mountains (along water courses) 1615 Comment
  RSA515320  Juncus mexicanus 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
  POM10227  Juncus rugulosus F. M. Reed 1907-7-4 1449 Riverside North side of Box Spring Mountain. Pigeon Pass Road. Comment
  RSA368338  Juncus rugulosus L. C. Wheeler 1933-12-2 2322 Riverside U.S. 99, 2 miles NW Whitewater Station 366 Comment
  UCR241238  Juncus textilis Tracy Tennant, Jeffrey Ross 1998-6-23 MOR- 522 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  RSA304319  Juncus tiehmii Barbara Ertter, Jeffrey L. Strachan 1979-6-26 2987 Riverside Banning - Idyllwild Road (Highway 243) at Black Mountain turnoff (Forest Road 4S01). Comment
  RSA559965  Juncus tiehmii Steve Boyd, Timothy S. Ross 1992-4-28 7079 Riverside Santa Ana Mountains, Elsinore Peak area, old Main Divide roadbed about 0.25 mile due south of peak. 1021 Comment
  RSA737221  Juncus xiphioides Justin M. Wood 2008-9-30 179 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  RSA604384  Juniperus californica L. C. Wheeler 1960-1-2 7671 Riverside Aguanga. In dry open flat. Comment
  UC64447  Juniperus californica W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1826 Riverside e base San Jacinto Mt. 1219 Comment
  CAS-BOT-BC234575  Justicia californica Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  LA202776  Justicia californica Martha Hilend; 1929-12-27 366 Riverside Shafer's Well Comment
  LA27380  Justicia californica L. S. Rose; 1946-12-24 46304 Riverside San Jacinto Mountains, Tahquitz Canyon Wash, Palm Springs 138 Comment
  POM292850  Justicia californica Robert Benson, Lyman Benson 1952-4-8 14857 Riverside 2 miles west of Shaver Summit east of Indio, U. S. 66 610 Comment
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Mar 26 2011
  RSA62011  Justicia californica F. W. Peirson 1935-2-22 s.n. Riverside Deep Canyon, about 1000 ft.[west margin Sonoran Desert, Santa Rosa Mtns. -SDW] 305 Comment
  SBBG100102  Justicia californica M. D. Clary 1932-12-15 1132 Riverside bajada 2 mi W of Coral Reef Ranch, at base of Santa Rosa Mtns, Coachella Valley 91 Comment
  RSA0027471  Kallstroemia californica Deidre Conocchioli, Billy Sale, Naomi S. Fraga 2013-9-25 55 Riverside East of Alligator Rock: From I-10 at Desert Center, head south on CA-177 to BLM Rd 394 (dirt). Collection site is 1.1 miles SW of interstate exit ramp. 334 Comment
  UCR146287  Kallstroemia californica Robert E. Preston 1997-10-2 1051 Riverside Sonoran (Colorado) Desert, Palo Verde Mesa, at NE base of Mule Mountains 35 Comment
  RSA0104499  Kallstroemia parviflora Duncan S. Bell, Sarah DeGroot 2015-9-21 8645 Riverside Santa Rosa Mountains; north side of Asbestos Mountain, approximately 0.5 air mile east of Potrero Spring. 1147 Comment
  CAS-BOT-BC235495  Keckiella antirrhinoides A. C. Sanders; T. B. Salvato 2000-5-25 23430 Riverside Menifee Valley: S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  CLARK-A1528-854  Keckiella antirrhinoides Robin Maetche, Geoffrey Matthews, Jim Hearne 1971-5-15 Riverside Elsinore Comment
  RSA0041969  Keckiella antirrhinoides H. de Forest, Rempel 1934-4-15 s.n. Riverside Morongo Indian Reservation, at foot of San Bernardino Mts. San Gorgonio Pass. 610 Comment
  UCR95457  Keckiella cordifolia D. L. Banks, E. H. Banks, J. B. Hedge 1996-6-6 1119 Riverside NW Palomar Mtns, Agua Tibia Mtns: NW foothills of Dorland Mtn; S end of Los Caballos Road, UC Emerson Reserve, SW side of the Water Storage tank. 100 m north of the road jct between main preserve road and the road to the Emersn Cottage 457 Comment
  UCR178333  Keckiella ternata Tracy Tennant, Jeffrey Ross 1998-7-21 MOR- 641 Riverside San Bernardino Mtns., Morongo Indian Reservation, ridge east of upper Hathaway Canyon, west of Burro Flats 1037 Comment
  RSA293262  Keckiella ternata subsp. ternata D. C. Michener 1980-7-18 3711 Riverside Old Banning rd. 2.7 mi. north west of jct with Poppet Flat rd. 1100 Comment
  CAS-BOT-BC43713  Krameria erecta Lewis S. Rose 1937-4-10 37174 Riverside Indio - Blythe Road, 26 mi. E. of Indio 457 Comment
  HSC27213  Krameria erecta J. P. Smith, J. O. Sawyer 1973-6-10 6885 Riverside Joshua Tree National Monument. Comment
  UC667257  Krameria erecta Annie M. Alexander and Louise Kellogg 1941-5-15 2175 Riverside n base Eagle Mountains; Colorado Desert, n base of Eagle Mountains 883 Comment
  UCSB3522  Krameria erecta Cline, C. 1960-5-15 Riverside Across highway from Pinon Flats Camp Ground; 15.5 miles SW of Palm Desert; San Berd. Nat. For. Comment
  UC1280881  Krameria grayi Frank F. Gander 1938-5-21 5762 Riverside Shaver's Summit Comment
  CLARK-A1528-1359  Krameria parvifolia var. glandulosa John C. Roos 1948-5-15 3857 Riverside Eagle Mountains Comment
  UCSC000773  Laennecia coulteri G. R. Hall 2001-8-31 s.n. Riverside near Riverside Riverside Comment
  UCR167063  Lamarckia aurea Scott D. White 2005-3-29 10838 Riverside San Gorgonio Pass, Cabazon: alluvial fan and benches west of San Gorgonio river and south of I-10 fwy. west of existing gravel quarry, likely to be proposed for quarry expansion 598 Comment
  RSA480076  Langloisia setosissima subsp. setosissima Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2165 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  RSA516899  Larrea tridentata Steve D. Boyd 1986-3-13 1418 Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd and 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  RSA707347  Larrea tridentata Jonathan Snapp-Cook, Kurt Roblek, Kevin Clark, Reas Chavez 2005-6-30 CFW- 11 Riverside Rancho Mirage, eastern Riverside County. 0.5 miles WNW of intersection of Ramon Road and Los Alamos Way. This area is referred to as Big Dune (WGS84/NAD83) 91 Comment
  RSA753534  Lastarriaea coriacea M. Wall 2009-5-29 513 Riverside Bautista Canyon east of Hemet, ca. 8 miles SE of jct. with Fairview Ave. 756 Comment
  UCD98953  Lastarriaea coriacea B. Pitzer 1997-3-23 2979 Riverside Lakeview Mtns, ca. 1 air mi. SSW of Mt. Rudolph, along powerline rd .3 mi. E of Contour (Juniper Flats) Rd. 609 Comment
  UC63212  Lasthenia coronaria H. M. Hall 1903-3-28 3714 Riverside s side of Box Spring Mt.; Riverside 426 Comment
  RSA731979  Lasthenia glabrata subsp. coulteri A. C. Sanders 2008-4-15 34887 Riverside Peninsular Range: NE edge of city of Elsinore, off Nichols Rds. along Baker St. near Durant Siding. 383 Comment
  UCR92635  Lasthenia glabrata subsp. coulteri G. R. Ballmer 1996-4-14 s.n. Riverside Perris-Aguanga Basin, Lake Elsinore area, south of Hwy I-15 along east side of Nichols Road 384 Comment
  POM305813  Lasthenia gracilis Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1046 Riverside Elsinore. Comment
  SBBG7769  Lasthenia gracilis H. and M. Dearing 1939-4-5 3096 Riverside Hemet Valley Comment
  UCR228251  Lasthenia gracilis A. C. Sanders, T. B. Salvato 2011-4-1 38934 Riverside Peninsular Range, Lake Elsinore area, near Alberhill, Baker St., SW side at dirt road crossing, c. 270 ft. SE of intersection with Pierce St. 385 Comment
  RSA511357  Lathyrus vestitus subsp. alefeldii B. Pitzer, E. Misquez 1988-3-20 665 Riverside Cleveland National Forest, San Juan Loop Trail, ca. 4 mi. W of El Cariso Village, just across the hwy from Ortega Parks Store. 548 Comment
  POM29611  Lathyrus vestitus subsp. laetiflorus Charlotte M. Wilder 1904-05 s.n. Riverside Declez Pass [West end Jurupa Mts.] Comment
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Nov 6 2011
  JOTR32957  Layia glandulosa La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2708 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  CAS-BOT-BC379630  Layia platyglossa Palmer Stockwell 1935-5-12 1220 Riverside 2.5 mi. N of Elsinore Comment
  SDSU18391  Layia platyglossa C. Matt Guilliams 2008-2-27 485 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 370 Comment
  UCR249064  Lemna gibba Scott D. White, Michelle Balk 2006-6-13 11511 Riverside Perris Basin, north Hemet area, west side of Warren Road, just north of intersection with Esplanade, between San Diego Canal and Warren Road 457 Comment
  RSA741378  Lemna minuta Scott D. White, Justin M. Wood 2008-5-15 11978 Riverside Johnson Meadow. 1415 Comment
  UCR89385  Lemna minuta A. C. Sanders, O. F. Clarke, P. J. MacKay, S. D. White, C. L. Sanders 1994-11-27 15870 Riverside San Jacinto Mtns/Colorado Desert, Palm Canyon, from Hermit's Bench upstream to just beyond the confluence with East Fork 300 Comment
  SEINET12872762  Leonotis nepetifolia A. Sanders, Young, Katie 2015-3-23 41433 Riverside Cabazon Comment
  RSA160464  Lepechinia cardiophylla J. D. Olmsted 1959-4-30 503 Riverside Spring Trail at Beacon Pines Ranch; 9 mi. SW of Corona. Alt. 2500 ft.; slope north west 35 deg 762 Comment
  UCR153379  Lepechinia cardiophylla Orlando Mistretta 1992-8-31 788 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Ana Mountains; Sierra Peak; Cleveland National Forest. Astragalus brauntonii survey 701 Comment
  SEINET3523430 Image available Lepidium Scott White 1991-5-10 91 -125 Riverside Hwy 79, immediately W of U. S. Forest Service Campground at Dripping Springs. Vail USGS quad. Comment
  UCR121806  Lepidium dictyotum var. dictyotum A. C. Sanders, Carolyn Washburn 2001-4-17 24062 Riverside San Jacinto Valley, southwest edge of Hemet, NW of intersection of Stowe Rd. and California Av., 2 miles NE of Winchester 457 Comment
  CAS-BOT-BC89666  Lepidium lasiocarpum subsp. lasiocarpum John Thomas Howell 1928-3-11 3417 Riverside North Colorado Desert. Morongo Canyon. 609 Comment
  RSA777768  Lepidium lasiocarpum var. lasiocarpum Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 977 Riverside Road to Priest's Well, east side of Arica Mountains 488 Comment
  SBBG92827  Lepidium lasiocarpum var. lasiocarpum D. Charlton 1988-2-18 1130 Riverside Fargo Cyn Rd to Cottonwood Wash, parallel to Interstate 10, ca. 1 mi E of jct of Dillon Rd and Fargo Cyn Rd 609 Comment
  UC10638  Lepidium lasiocarpum var. lasiocarpum W. G. Wright 1889-1 1756 Riverside Colorado Desert Comment
  UCR59232  Lepidium latifolium Jeri Hirshberg 1989-7-20 s.n. Riverside Peninsular Range, Diamond Valley, north of Newport Road 522 Comment
  RSA543880  Lepidium latipes Steve Boyd, Dave Bramlet 1991-5-13 6240 Riverside Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. N of Santa Fe RR tracks, W of San Diego aqueduct. Comment
  CAS-BOT-BC89852  Lepidium nitidum Robert F. Thorne; Earl W. Lathrop 1969-5-12 37947 Riverside Santa Rosa Plateau. Mesa de Colorado, Rancho California. 624 Comment
  UCR228857  Lepidium nitidum A. C. Sanders, T. B. Salvato 2011-3-28 38823 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, powerline corridor along McLaughlin Rd. west of Murrieta Rd., north of Sun City 439 Comment
  UCR260876  Lepidium pinnatifidum A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-8 41572 Riverside Peninsular Range; Elsinore Trough, City of Lake Elsinore, vacant lot south of intersection of 3rd St. and Pasadena St., west of Birch St., near drainage channel from lake toward Temescal Creek 387 Comment
  UCR65295  Lepidium strictum Steve Boyd 1989-5-2 3518 Riverside City of Riverside, Gravel driveway of residence at 4863 Rubidoux Avenue. Comment
  RSA34595  Lepidium virginicum N. C. Cooper 1944-6-16 1390 Riverside San Jacinto Mountains, west side. 1372 Comment
  RSA715299  Lepidium virginicum var. robinsonii A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32656 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279. 579 Comment
  JEPS2497 Image available Lepidospartum squamatum W. L. Jepson 1914-5-18 6008 Riverside Pinyon Well; ; ; Pinon Well 1219 Comment
  SD137865  Lepidospartum squamatum Darin L. Banks, Steve Boyd 1995-10-17 777 Riverside Northwest Palomar Mountains; Agua Tibia Mountains, along lower Arroyo Seco, south of the Dripping Springs Campground. 515 Comment
  UCR138674  Leptochloa uninervia Julie A. Greene 1993-4-3 1090 Riverside San Jacinto Valley, San Jacinto Wildlife Area. Raised wet area west of dirt road. 445 Comment
  SEINET4854776  Leptodactylon californicum subsp. tomentosum C. Leo Hitchcock 1940-4-12 6041 Riverside 8 mi NW of Elsinore. 457 Comment
  RSA719790  Leptodactylon jaegeri Naomi Fraga, Ileene Anderson, Mike Hamilton, Michael Wall, Gary D. Wallace 2006-9-7 1740 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  RSA586117  Leptosiphon floribundus subsp. glaber D. L. Banks, S. D. Boyd 1995-4-5 0157 Riverside Cleveland National Forest, Agua Tibia Wildeness Area. N slope of Agua Tibia Mtn., E of the Dripping Sprngs Alcove, E of the Dripping Springs Trial, in the N flowing drainage that empties into Arroyo Seco 549 Comment
  POM65214  Leptosiphon lemmonii H. M. Hall 1901-06 2026 Riverside South side of San Jacinto Mountains 1585 Comment
  POM128367  Leptosiphon pygmaeus subsp. pygmaeus Thos. Craig 1927-4-23 202 Riverside Glen Ivy. Comment
  UCR201956  Lessingia filaginifolia Yvonne Thompson, G. Nuhn 1998-9-3 s.n. Riverside San Gorgonio Pass, Banning, site of proposed development called 'Sunset Crossing' at NW corner of Sunset and Westward Aves., between Sunset and Highland Home Rd., N of Westward 756 Comment
  UCR229518  Lessingia filaginifolia Jeremiah George 2011-9-8 s.n. Riverside Peninsular Range; Elsinore Trough, Lake Elsinore area, Terra Cotta Rd. at Coal Ave, Warm Springs Valley 409 Comment
  UCR145969  Lessingia filaginifolia var. filaginifolia June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  SBBG118780  Lessingia glandulifera S. D. White 1999-7-9 7533 Riverside near Idyllwild Community Service District sewage ponds at terminus of USFS Rd 5S24.2; T5S R2E boundary of S15/22 1430 Comment
  JEPS20574  Lessingia glandulifera var. glandulifera John Thomas Howell 1927-8-2 2929 Riverside top of control on road to Hemet (Mt. San Jacinto); Mt. San Jacinto Comment
  RSA181938  Lessingia glandulifera var. glandulifera Willard Spence 1960-8-24 583 Riverside 4.7 miles E of Anza on road to Santa Rosa Summit. 1372 Comment
  RSA561100  Leymus triticoides Steve Boyd, D. E. Bramlet 1992-5-12 7333 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Tenaja Canyon. 366 Comment
  UCD87724  Leymus triticoides F. M. Reed 1926-5-20 5372 Riverside Riverside and vicinity. W of Temecula. Comment
  RSA680094  Limonium ramosissimum R. E. Riefner 2003-5-27 3 -241 Riverside Back basin of Lake Elsinore, Malaga Rd near Mission Trail Rd. Comment
  UCR199668  Limonium sinuatum Scott D. White, Lynn Stafford 2007-7-5 11757 Riverside Chino Hills State Park, Santa Ana River floodplain just blow Prado Dam 137 Comment
  RSA718302  Linanthus bigelovii Michael Honer, L. Hulse 2004-4-2 1884 Riverside East Wide Canyon; near MWD aqueduct, appx 2 mi. N of Dillon Rd. 488 Comment
  CAS-BOT-BC225695  Linanthus californicus Frank W. Gould 1943-4-18 2142 Riverside Near and above Banning on Idlewild cutoff Comment
  UCR124661  Linanthus dianthiflorus B. C. Templeton 1930-4-9 1010 Riverside San Bernardino Mtns., north of Banning 1220 Comment
  RSA487446  Linanthus dianthiflorus subsp. dianthiflorus Jack Easton 1988-5-2 s.n. Riverside Anza area. 1189 Comment
  RSA68310  Linanthus dianthiflorus subsp. dianthiflorus G. R. Campbell 1951-5-30 16114 Riverside 9 miles west of Anza. 1067 Comment
  UCR213395  Linanthus jonesii A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37454 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  UCR144129  Linanthus liniflorus Scott D. White, Bill La Haye 2000-5-27 7950 Riverside San Jacinto Mtn, Baldy Mountain area 1677 Comment
  UCR24243  Linanthus pygmaeus John C. Roos 1950-4-22 4757 Riverside Hills NE of the summit of Reche Canyon 823 Comment
  UCR26172  Linaria canadensis John C. Roos 1947-3-15 3346 Riverside San Jacinto Valley, Valle Vista, east of Hemet 549 Comment
  RSA612689  Linaria canadensis var. texana D. L. Banks 1997-3-29 1609 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border., West of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  UCR155810  Linaria pinifolia G. R. Ballmer 2005-3-6 s.n. Riverside Coachella Valley, Lake Cahuilla 61 Comment
  UCR35319  Linum lewisii L. B. Ziegler 1967-5-30 135 Riverside San Jacinto Mtns., Hemet Valley (= Garner Valley). 1372 Comment
  UCR80801  Linum lewisii var. lewisii Scott D. White 1993-5-29 1472 Riverside San Bernardino Mtns, Big Oaks Canyon, along the road to Raywood Flat,Yucaipa Ridge 2134 Comment
  JEPS69829  Loeseliastrum schottii M. French Gilman 715 Riverside e. Palm Springs (Mt. San Jacinto); Mt. San Jacinto Comment
  RSA748289  Loeseliastrum schottii Justin M. Wood 2009-3-26 417 Riverside Thousand Palms, Under Edison powerlines, near intersection of 30th Ave and Via Las Palmas. 61 Comment
  UCR129334  Loeseliastrum schottii Kimberly Peterson, Micaele Maddison 2001-5-5 501 Riverside Peninsular Range, Pauba Valley north of Pechanga Indian Reservation and east of Temecula, along Temecula Creek 366 Comment
  CAS-BOT-BC342252  Logfia filaginoides Steve Boyd 1986-4-19 1695 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road Comment
  UCR54314  Lolium perenne Frank C. Vasek 1956-6-12 s.n. Riverside Riverside: Hwy 60, 1.05 mi east of Chicago Ave. on the University of California, Riverside campus Comment
  SEINET251687 Image available Lolium rigidum Walter Graves 2002-5-15 502 -18 Riverside Riverside: grown at U.C.R. in Agricultural Operations Fields 305 Comment
  UCR160934  Lomatium A. C. Sanders 1994-5-30 14598 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  RSA720437  Lomatium dissectum var. multifidum Naomi Fraga, Bryan Carey 2006-6-1 1687 Riverside Near Morris creek on a 4W drive trail, ca. 1/2 mile SW of Tripp Meadow. 1585 Comment
  RSA525329  Lomatium lucidum Steve Boyd, Andy Sanders, Mark Skinner 1990-4-28 4460 Riverside Vail Lake area, low, sedimentary hills to E of USFS Dripping Springs Campground along Arroyo Seco Crk, S of Hwy 79. 488 Comment
  RSA519117  Lomatium vaginatum Ed LaRue 1990-4-10 s.n. Riverside Midway between Pauba Valley & Wolf Valley; 0.5 mi. N of the Pechanga Indian Reservation. 365 Comment
  JEPS24961  Lonicera subspicata var. denudata H. M. Hall July 1901 2529 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1615 Comment
  UCR20545  Lonicera subspicata var. johnstonii W. W. Mayhew 1977-7-4 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  POM304887  Lotus argophyllus var. argophyllus Henry J. Ramsey, Henry J. Ramsey 1938-4-22 248 Riverside Santa Rosa Mountains. 1220 Comment
  RSA314669  Lotus argophyllus var. argophyllus R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55495 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  POM9225  Lotus argophyllus var. argophyllus I. M. Johnston 1920-5-8 2237 Riverside Butte west of Lakeview 610 Comment
  RSA792747  Lotus argyraeus Robert F. Thorne 1995-3-29 63033 Riverside White Water Canyon. 600 Comment
  UCR35030  Lotus crassifolius L. B. Ziegler 1967-7-5 179 Riverside San Jacinto Mtns, Canyon of the South Fork of the San Jacinto River 1829 Comment
  JEPS55482  Lotus heermannii W. L. Jepson 1901-5-22 1362 a Riverside Palm Canyon to Van De Venter's Comment
  UCR100292  Lotus heermannii B. G. Pitzer 1997-4-20 3178 Riverside Lakeview Mtns, top of the hill on Dutton Street, just east of Horseshoe Trail, at a point c. 0.4 mi. north of Stagecoach Road. 640 Comment
  UCR250200  Lotus humistratus A. C. Sanders 2014-4-23 41045 Riverside Peninsular Range, Gavilan Hills, along Concordia Ranch Rd. at edge of Temescal Valley, above I-15 and east of Black Powder Rd. 384 Comment
  RSA753477  Lotus nevadensis Scott D. White, Justin M. Wood 2009-5-21 12858 Riverside San Jacinto Mountains: Garner Valley, near abandoned duck ponds, S of Quinn Flat. 1357 Comment
  UCR187481  Lotus nevadensis Theresa Johnson 2006-7-19 243 Riverside Peninsular Range; San Jacinto Mtns., Lake Fulmor 1707 Comment
  POM12874  Lotus nevadensis var. nevadensis P. A. Munz 1922-7-6 6017 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  RSA160514  Lotus nevadensis var. nevadensis J. D. Olmsted 1959-5-23 657 Riverside Desert Sun School near Idyllwild 1646 Comment
  UCR87861  Lotus oblongifolius Michael A. Patten, S. J. Myers 1993-8-20 s.n. Riverside Sonoran (Colorado) Desert, along Tahquitz Creek and behind the debris basin dam in Palm Springs 183 Comment
  UCR120339  Lotus purshianus Mitch Provance 1998-7-23 924 Riverside Jurupa Mountains, Glen Avon Heights, 'Granite Hill', 0.5 mile SSW of peak 1437, on the E side of the water tank 259 Comment
  RSA543945  Lotus salsuginosus Steve Boyd, Orlando Mistretta, Bob Boyd 1991-5-9 6177 Riverside Santa Ana Mountains, lower flank of range along the Bedford Truck Trail on ridge between Bedford and McBribe Canyons. 549 Comment
  CDA28902  Lotus scoparius Mike Lahti 2009-4-28 PDR# 1501679 Riverside San Jacinto, 950 North Ramona Boulevard near State Street. 0 Comment
  UCR102760  Lotus scoparius B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3583 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  UCR180694  Lotus scoparius subsp. brevialatus Mitch Provance 2003-4-26 9885 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
  RSA17252  Lotus scoparius var. brevialatus C. B. Wolf 1936-6-17 7962 Riverside Santa Ana Mts., Tenaja Road, North end of La Cienaga. 732 Comment
  UCR200325  Lotus scoparius var. brevialatus Steve Boyd 2007-4-20 11725 Riverside Peninsular Ranges: Perris-Aguanga Basin, southeastern end of the Gavilan Hills, north of Warm Springs Valley at upper end of 'Walsh Canyon,' c. 0.5 mi from junction with Lindel (aka Stovepipe) Road, on southwest facing slope just above old Melia adzedarach and across from driveway leading to 26875 Walsh Road 549 Comment
  JEPS65161  Lotus strigosus W. L. Jepson 1935-4-19 17077 Riverside San Gorgonio Pass Comment
  RSA33457  Lotus strigosus N. C. Cooper 1944-3-24 1007 Riverside Banning. 701 Comment
  RSA657176  Lotus strigosus Bob Rogers 1984-4-28 23 Riverside North-facing slope adjacent to and on the South side of Hwy 74, 3.6 miles from Strawberry Creek going towards Mountain Center. 1220 Comment
  UCR133983  Lotus strigosus Mitch Provance, J. S. Ross 1998-3-27 MOR- 973 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon at mouth of Corral Canyon, c. 1 mile NW of VABM Mil (Peak 3620) 915 Comment
  UCR251989  Lotus strigosus A. C. Sanders, T. B. Salvato 2014-7-2 41164 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  SEINET7042771  Lotus strigosus W. P. Vestal, A. G. Vestal 1955-3-25 s.n. Riverside Road shoulder on Long Valley Road north of Tecula. Ca. 0.1 mile east of U.S. 395 [=Interstate 15 & Route 79]. Comment
  RSA501009  Lotus wrangelianus Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3128 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 518 Comment
  JEPS85677  Lupinus Mary Beal 1941-4-6 858 Riverside Mecca Hills Mohave Desert, , Painted Canyon (Painted Canyon) Comment
  RSA774900  Lupinus Duncan S. Bell, Amber Swanson 2011-2-18 2027 Riverside Coachella Valley area; Edom Hill; along Edom Hill Road near dump; 0.6 road miles from junction of Varner Road and Edom Hill Road. 259 Comment
  GMDRC3713  Lupinus arizonicus J. Andre, T. La Doux 2009-2-25 11160 Riverside Granite Mountains: Upper Granite Cove at pass to Sunset Cove, UC Granite Mountains Desert Research Center. USGS 7.5 minute Quad: Bighorn Basin 34 deg. 47.001' N 115 deg. 39.719' W. Elev. 4329 ft. 414 Comment
  POM13265  Lupinus arizonicus E. C. Jaeger 1922-4-4 s.n. Riverside Painted Canyon on near Mecca Comment
  RSA457758  Lupinus arizonicus Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2117 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  SD215531  Lupinus arizonicus W. Wisura, J. Dolan and M. Wall 1992-3-24 4616 Riverside 4.7 miles northeast of Mecca on Box Canyon Road. Comment
  SEINET6180878  Lupinus arizonicus subsp. setosissimus Noel H. Holmgren, Patricia K. Holmgren 1974-3-23 7469 Riverside Box Canyon wash, 11.4 (9 airline) imles east-northeast of Mecca.; 0 244 Comment
  CLARK-A1656-770  Lupinus bicolor Theo Glenn 1982-3-24 Riverside Snow Creek Comment
  UCR158143  Lupinus bicolor A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30084 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
  UCR260855  Lupinus bicolor A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41423 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
  UCR91867  Lupinus bicolor A. C. Sanders, S. Hawkins 1996-4-24 18076 Riverside San Bernardino Mtns, Morongo Indian Reservation, SE edge of Burro Flats in vicinity of natural pond & bog 1159 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
  SEINET10484932  Lupinus bicolor subsp. tridentatus David B. Dunn 1941-3-30 Dunn 989 Riverside Plants collected in sparse desert brush and grassland, very open, 3 mi. E of Banning. Comment
  RSA86961  Lupinus concinnus subsp. concinnus F. W. Peirson 1922-4-30 s.n. Riverside Near summit of St. Johns Grade, south of Hemet. Comment
  RSA572998  Lupinus excubitus var. hallii Steve D. Boyd 1986-4-22 1750 Riverside Temescal Canyon; Stable alluvial benches of Indian wash just S of I-15. Comment
  UCR146444  Lupinus excubitus var. hallii R. F. Thorne, Et al. 1969-6-24 38129 Riverside San Jacinto Mtns., San Bernardino National Forest, above James Reserve in Hall Canyon 1677 Comment
  RSA413640  Lupinus formosus var. bridgesii M. B. Dunkle 1935-3-30 4428 Riverside Pinto Basin, Colorado Desert. 915 Comment
  RSA552730  Lupinus formosus var. formosus Steve D. Boyd, Tim S. Ross, Orlando Mistretta 1992-3-31 6752 b Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 671 Comment
  RSA414786  Lupinus hyacinthinus E. C. Jaeger 1922-7-3 s.n. Riverside Tahquitz Valley San Jacinto Mts 2104 Comment
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Mar 21 2011
  SEINET238339  Lupinus latifolius Mitch Provance 2000-5-5 2011 Riverside Riverside: Box Spring Mtns. canyon ca. 0.5 mi. NE of peak 2553 and ca. 0.5 mi. SW of the old landfill off Pigeon Pass 427 Comment
  RSA413769  Lupinus longifolius N. C. Cooper 1947-4-5 2046 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  POM23584  Lupinus microcarpus var. densiflorus Marcus E. Jones 1903-4-11 s.n. Riverside Banning. 701 Comment
  SBBG3700  Lupinus sparsiflorus H. and M. Dearing 1949-4-16 6750 Riverside Cottonwood Spring Rd Comment
  UCSB3403  Lupinus sparsiflorus Don Graney 1953-3-20 110 Riverside collected 1.0 mi from along the White Water Canyon White Water - White Water Comment
  POM305654  Lupinus sparsiflorus subsp. sparsiflorus Henry J. Ramsey, Henry J. Ramsey 1939-4-22 1012 Riverside Aguanga. Comment
  RSA414277  Lupinus sparsiflorus subsp. sparsiflorus Christopher Davidson 1973-4-19 1992 Riverside Joshua tree Natl. Monument, various sites along the road, 1-10 miles s of Joshua tree. 1220 Comment
  RSA617298  Lupinus sparsiflorus subsp. sparsiflorus R. S. Woglum 1934-3-18 1476 Riverside Peninsuar Ranges: San Jacinto Mountains, Coachella Valley, Snow Creek. Comment
  UCR154976  Lupinus succulentus A. C. Sanders, Kelly Volansky 2005-3-17 29211 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  UCR225722  Lupinus succulentus A. C. Sanders 2011-3-30 38905 Riverside Peninsular Range, city of Lake Elsinore, along Hwy 74 just west of El Toro Cutoff 438 Comment
  UC1930004  Lupinus truncatus Scott D. White, Michael Honer 2003-4-25 9097 Riverside SAN BERNARDINO MTS: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of Road, on alluvial fan adjacent steep east-facing mountain slope. Comment
  UCR92658  Lupinus truncatus Scott D. White 1996-3-31 3868 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 463 Comment
  CLARK-A1528-4345  Lycium andersonii John C. Roos 1966-2-12 Riverside Chuckwalla Valley Comment
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May 21 2016
  RSA651328  Lycium andersonii N. R. Zabriskie, Walter Zabriskie 1971-2-15 345 Riverside C. 30' up bank from stream bed on west-facing slope of ''North Canyon;'' Andreas Canyon watershed, San Jacinto Mts. 366 Comment
  SEINET839661  Lycium andersonii Bern Schwenn 1998-1 Riverside South slope of Eagle Mtns: Hayfield 'Cove', a wide cyn mouth ca. 2.5 miles (airline) ENE of Hayfield Pumping Station & 0.75 miles SE of Hayfield Spring 544 Comment
  UCR275142  Lycium brevipes David Fraker, Aaron C. Sedgwick 2012-4-5 074 Riverside Sonoran (Colorado) Desert, north of the Salton Sea on Dos Palmas Spring Road, c. 500 ft south of the aqueduct 2 Comment
  SDSU21790  Lysimachia minima Michael G. Simpson, Laura Benedict, Zack Principe, Lee Ripma, Nuri Benet-Pierce, Andy Siekkinen 2016-5-7 3988 Riverside Santa Rosa Plateau Ecological Reserve. Across street from vernal pool trail, ca. 4 miles north on road from Visitor's Center. 636 Comment
  SD70892  Lythrum hyssopifolia Helen V. Witham 1969-7-2 174 a Riverside Common near drainages, pools, etc. De Luz Creek crossing, 4 mi. N. of De Luz. 249 Comment
  UCR6385  Lythrum hyssopifolia O. F. Clarke 1967-6-16 s.n. Riverside University of California, Riverside, Greenhouse 16 [near East Campus Dr. and Eucalyptus Dr.] Comment
  UCR121335  Machaeranthera asteroides A. C. Sanders, Mark Elvin, Vipul Joshi 2002-4-26 25036 Riverside The Badlands, west fork of Laborde Canyon near old rocket test facility 622 Comment
  UCR26090  Machaeranthera cognata John C. Roos 1947-2-1 3226 Riverside Western Colorado Desert, Painted Canyon, Mecca Hills. Comment
  POM362091  Machaeranthera tephrodes E. C. Jaeger 1922-4-9 719 Riverside Blythe along road toward Ripley. Comment
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Jun 8 2012
  GMDRC6580  Madia elegans J. M. Andre 2012-6-15 30542 Riverside San Jacinto Mountains: west slopes of range along Poppet Flat Rd, Poppet Creek canyon, 3.2 mi. west of Hwy 243 1022 Comment
  RSA561886  Madia exigua Steve Boyd, Timothy S. Ross 1992-6-10 7642 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about Potrero Escondido, an isolated area of low relief topping the ridge system due west of the junction on Tenaja Road (7S01) and Los Alamos Road (7S04)., At the confluence of Los Alamos Creek with the main trunk of San Mateo Creek. 671 Comment
  UCR16598  Malacothamnus densiflorus Dorothy Detrich 1966-5-16 s.n. Riverside Gavilan Hills, at turnoff to Maywood Rod and Gun Club [in Steele Valley] Comment
  CAS-BOT-BC206263  Malacothamnus fasciculatus Winfield 1975-4-27 2379 Riverside Snow Ck. Rd ~ 3 mi. from Hiway 111 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
  RSA0124287  Malacothamnus fremontii Duncan S. Bell 2016-4-16 9327 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  CAS-BOT-BC345285  Malacothrix californica H. M. Hall 1901-6-1 2182 Riverside San Jacinto Mountains. Thomas Valley 1371 Comment
  CAS-BOT-BC345426  Malacothrix clevelandii A. C. Sanders 1994-5-30 14586 Riverside San Bernardino Mountains: NNE of Beaumont at Highland Springs, hills N of the end of Bellflower Ave. at Dutton St. 950 Comment
  UCR22107  Malacothrix clevelandii Steve Boyd 1980-5-15 273 Riverside Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan plateau 625 Comment
  RSA95026  Malacothrix coulteri F. W. Peirson 1922-4-29 2959 Riverside Roadside 2 miles south of Elsinore Comment
  SEINET11808088  Malacothrix coulteri H. M. Hall 1902-1 2925 Riverside vicinity of Riverside 488 Comment
  CAS-BOT-BC347683  Malacothrix glabrata Geo. B. Grant 1906-4-8 s.n. Riverside Palm Springs Comment
  CAS-BOT-BC347694  Malacothrix glabrata Munz; Street; Williams 1919-3-28 2370 Riverside In San Gorgonio Pass, near Banning 701 Comment
  CAS-BOT-BC347714  Malacothrix glabrata Anne Constant 1955-3-27 148 Riverside Along Highway 111 between Banning and Palm Springs. Colorado Desert 365 Comment
  RSA778628  Malacothrix glabrata Duncan S. Bell 2009-3-8 69 Riverside Arica Mountains: the north tip of the mountain range approximately 3 air miles northwest of Priest Well, or approximately 5.5 air miles southwest of the ghost town of Rice. 404 Comment
  SBBG100476  Malacothrix glabrata W. L. Halvorson 1977-3-8 77 -86 Riverside ca. 1 mi S of the S entrance to Joshua Tree Nat Monument Comment
  SD5136  Malacothrix glabrata Ruth B. Randall 1926-2-22 231 Riverside Whitewater Pass Comment
  UCR235923  Malacothrix glabrata Jeremiah George 2012-6-4 s.n. Riverside San Gorgonio Pass, Banning, 0.1 mi. east of intersection of Bobcat Rd. and Turtle Dove Lane 707 Comment
  UCR72189  Malacothrix glabrata Theo Glenn 1992-3-31 92 7 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  SEINET10908382  Malacothrix glabrata David B. Dunn 1948-3-14 Dunn 3776 Riverside Chickory; flat open sands near Hidden Springs Ranch. 3 miles south of the Indio Hills, Colorado Desert. Comment
  UCR37437  Malva parviflora Steve Boyd 1981-4-8 s.n. Riverside Gavilan Plateau, Lake Mathews Road, south of Gavilan Peak 640 Comment
  RSA0042213  Malva parviflora Margaret Murphy 1983-5-21 0035 -D Riverside Moreno Acres of the unincorporated area known as Sunnymead. North section of parcel 475-090-006, lot 20. Comment
  UCR272499  Malvella leprosa Mitch Provance 2013-6-16 613- 23 B Riverside Santa Ana River Valley, City of Riverside, Arlanza neighborhood, Foothill Elementary School on Wells Avenue, about 0.4 mi W of Van Buren 226 Comment
  UCR59719  Malvella leprosa George K. Helmkamp 1989-9-16 s.n. Riverside Sonoran (Colorado) Desert, S of Ripley at 32nd Street and Rannells Blvd 75 Comment
  UCR69748  Malvella leprosa A. C. Sanders, Chet McGaugh 1991-7-19 11147 Riverside Peninsular Range, Murrieta Hot Springs, large vernal pool on the south side of Murrieta Hot Springs Road, east of Via Princesa & north of Calle del Lago 348 Comment
  UCR89825  Malvella leprosa Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  SBBG54812  Marah macrocarpa D. Keil, M. McLeod 1979-3-18 12976 Riverside ca. 0.5 mi W of jct with Riverside County rd R-3 along Hwy 79 548 Comment
  UCR230205  Marah macrocarpa A. C. Sanders 2011-4-6 38978 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  CAS-BOT-BC502091  Marina parryi A. C. Sanders; Jim Malusa 2015-9-10 41863 Riverside Sonoran (Colorado) Desert: Bradshaw Trail, 0.85 mi SE of its jct with Summit Rd in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mtns Aerial Gunnery Range 480 Comment
  SD129346  Marina parryi A. C. Sanders 1989-9-19 9505 Riverside 1.75 km south of Tabaseca Tank, along the wash above Tabaseca Target. 680 Comment
  SDSU12873  Marrubium vulgare J. Jill Steinberg with Janet Knotts and Kevin Contreras 1998-3-25 28 Riverside Approximately 400 feet from Santa Margarita (SDSU) Field Station trailer South side of trail leading down into Santa Margarita River Gorge, north of river. 335 Comment
  UCR120915  Marrubium vulgare A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24936 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  RSA556517  Marrubium vulgare Julie Greene 1993-4-10 1135 Riverside San Jacinto Wildlife Area: Lower North facing slope with granitic outcrops. 476 Comment
  UCR141230  Marsilea vestita A. C. Sanders, Mike Misenhelter 2004-10-6 28838 Riverside Santa Ana Mtns./Santa Rosa Plateau, hill 2139 at west end of the Mesa De Colorado, private land on the west side of Via Volcano adjacent to the Santa Rosa Plat. Ecol. Reserve 640 Comment
  CDA10742  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. Comment
  CAS-BOT-BC422727  Meconella denticulata L. R. Abrams 1935-4-7 13679 Riverside San Juan Canon [Canyon], Ortega Highway, about 2 mi. above, Orange Co. line. 762 Comment
  UC865632  Medicago lupulina Crawford and Johnston 1917-6-9 1234 Riverside near Corona; Santa Ana River Comment
  CSUSB1099  Medicago sativa Heather Johnston 1967-5-21 052167 3 Riverside By exit from route 395 onto Lawless Road. 365 Comment
  UCR234276  Melia azedarach A. C. Sanders 2012-4-12 40020 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, c. 250 m SE of El Hermano Rd. 315 Comment
  UCD66805  Melica frutescens F. M. Reed 1926-5-15 5338 Riverside Riverside and vicinity, S of Menifee. Comment
  JOTR35203  Melica imperfecta Harding, Mitzi, Tasya Herskovitz 2011-4-28 180 Riverside Joshua Tree National Park. Lost Horse Mountains; near Lost Horse Mine trailhead; small rocky gully adjacent to trail 1414 Comment
  RSA740951  Melica imperfecta Scott D. White, Justin M. Wood 2008-6-19 12274 Riverside Meadows at Baldy Mtn. 1585 Comment
  SEINET7072832  Melica imperfecta A. G. Vestal 1963-5-19 s.n. Riverside Among granite boulders about 0.9 miles west of Radec on Route 79 [old 71]. Coordinate datum: WGS84/NAD83. (33? deg. 28' 2" North Latitude, -116? deg. 55' 39" West Longitude, Coordinate datum: NAD27.). Comment
  UC38845  Melica imperfecta H. M. Hall 1899-1 1111 Riverside Strawberry Creek; San Jacinto Mountains 914 Comment
  UC736843  Melica imperfecta Frank W. Gould 1944-4-4 2207 Riverside 12 mi s Corona (on road to Elsinore) Comment
  RSA586323  Melilotus indicus D. L. Banks, S. D. Boyd 1995-5-3 0188 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
  UC65738  Melilotus indicus N. K. Berg 1904-3-4 Riverside San Jacinto Comment
  RSA701360  Melilotus indicus Steve Boyd, Aydee Virgen 2004-4-13 10878 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  CLARK-A1528-5349  Mentha citrata John C. Roos 1951-9-25 5289 Riverside Riverside Comment
  UCR279589  Mentzelia A. C. Sanders, Jim Malusa 2017-3-28 43150 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
  UCR109001  Mentzelia affinis D. L. Banks, V. W. Steinmann 1997-4-13 1472 Riverside NW Palomar Mtns., Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79. Hills east of the Dripping Springs alcove and west of Vail Lake Marina Road. 549 Comment
  JOTR33729  Mentzelia albicaulis La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2729 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy, braided ephemeral wash flowing northeast (Stop 2) Comment
  RSA282775  Mentzelia congesta C. W. Tilforth, B. Busenberg 1980-10-6 1994 Riverside Ca. 1/2 mi. north of Thomas Mtn. Campground, along Thomas Mtn. Rd., south of Lake Hemet, west of Highway 74. Comment
  CHSC99049  Mentzelia involucrata LeRoy Gross 2005-3-3 1574 Riverside Colorado Desert; Northeastern Colorado Desert region: Palen Mountains, south side. Near end of old prospect road. 68 Comment
  CLARK-A1656-879  Mentzelia involucrata Lois Ann Scott 1977-12-2 Riverside Big Morongo Canyon Comment
  JOTR31891  Mentzelia involucrata La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2141 Riverside Joshua Tree National Park. West Cottonwood Mountains; southeast edge of Pinkham Wash, east of Pinkham Canyon Road; rocky flats between small drainages in mouth of Pinkham Wash Comment
  RSA709877  Mentzelia involucrata Sarah J. De Groot, Leland Lubinsky, Naomi S. Fraga, Lisa Rojas 2005-2-10 4622 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  RSA444554  Mentzelia involucrata var. megalantha Walter Wisura 1988-3-1 4198 Riverside Colorado Desert. 4.7 miles from Interstate 10 along Box Canyon Road toward Mecca, in gravelly bajada. Comment
  RSA457790  Mentzelia involucrata var. megalantha Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Tim S. Ross 1988-3-10 2208 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  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
  SBBG4876  Mentzelia longiloba H. and M. Dearing 1942-4-3 4853 Riverside 12 mi N of Desert Center Comment
  UCR207511  Mentzelia micrantha O. F. Clarke 2004-4-20 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River at Mission Blvd. Bridge below Mt. Rubidoux 238 Comment
  UCR44210  Mentzelia montana A. C. Sanders 1986-6-1 6552 Riverside San Jacinto Mtns., trail to Spitler Peak from the Herkey Creek Camp to Bonita Vista road [=Apple Canyon Rd.] 1829 Comment
  LA209009  Micranthes californica John O'Leary; 1975-3-30 337 Riverside San Timoteo Canyon. 0.5 mi E of Treemont [?] 655 Comment
  UCR48481  Microseris heterocarpa Steve Boyd 1986-4-2 1584 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  POM15165  Microseris lindleyi Mary F. Spencer 1922-4-23 531 Riverside Maillard Canyon, prope [near] Banning. 701 Comment
  UCR133407  Microseris lindleyi Tracy Tennant, J. S. Ross 1998-5-7 MOR- 81 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Wood Canyon, c. 0.6miles NNW of Cabazon. 1280 Comment
  UC943893  Mimulus H. E. McMinn and M. Van Rensselaer 1945-6-7 1896 Riverside along Indian Truck Trail east side of Santa Ana Mts. 960 Comment
  RSA442670  Mimulus aurantiacus var. pubescens Ralph Hoffmann 1928-04 s.n. Riverside 3 mi. east of Colorado River Comment
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Mar 22 2014
  UC943877  Mimulus aurantiacus var. pubescens H. E. McMinn, M. Van Rensselaer 1945-6-7 1889 A Riverside Indian Canyon Truck Trail, e slope of mts. Santa Ana Mts. 640 Comment
  UCR121317  Mimulus aurantiacus var. pubescens A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25001 Riverside Peninsular Range; San Jacinto Mtns. Region, The Badlands; summit of Mt. Eden, SW of Beaumont 717 Comment
  UCR149863  Mimulus aurantiacus var. pubescens Scott D. White, Michael Honer 2004-4-6 10042 Riverside Perris/Elsinore Basins, Temescal Valley: just N of the I-15 freeway and east of Indian Truck Trail, S and west of Lee Lake 396 Comment
  RSA285893  Mimulus aurantiacus var. puniceus D. C. Michener 1982-5-24 4048 Riverside Main divide truck route to Santiago Peak ca 6 mi. north of El Cariso. Comment
  UCR116520  Mimulus aurantiacus var. puniceus Dan Hare 2001-4-26 s.n. Riverside Perris-Aguanga Basin region, Lake Perris State Recretion Area, approximately 1 km northeast of Bernasconi Beach, Lake Perris 600 Comment
  UCR21164  Mimulus aurantiacus var. puniceus 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
  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
  RSA535794  Mimulus bigelovii var. bigelovii David M. Thompson 1988-3-4 823 Riverside 1.6 ESE of I-10 interchange at Desert Center along dirt road parallel to I-20 (S side of freeway), not far beyond, E of the Desert Center Pumping Station. 82 Comment
  UCR41848  Mimulus bigelovii var. bigelovii A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6101 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  JEPS9943  Mimulus brevipes W. L. Jepson and H. M. Hall 1901-5-17 1211 Riverside Riverside 265 Comment
  RSA586799  Mimulus brevipes D. L. Banks, S. D. Boyd 1995-5-3 237 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
  RSA407719  Mimulus clevelandii Steve Boyd 1986-4-22 1757 Riverside Temescal Canyon: Stable alluvial benches of Indian wash just south of I-15. Comment
  RSA192072  Mimulus diffusus E. W. Lathrop 1960-4-15 4758 Riverside 14 miles west of Murrieta, in low valley pasture in Tenaja Canyon. 610 Comment
  UCR233083  Mimulus floribundus T. B. Salvato, Richard Camacho 2011-6-12 5494 Riverside Peninsular Range, Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles 372 Comment
  CLARK-A1045-280  Mimulus fremontii George K. Helmkamp 1979-5-16 Riverside San Jacinto Mountains along road (North Fork of the San Jacinto River); moist, gravelly slope; chaparral; ; Lake Fulmor 7.5'Q 1828 Comment
  UCR193372  Mimulus fremontii A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35638 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
  UC886151  Mimulus fremontii var. fremontii Carl B. Wolf 1932-8-6 3996 Riverside 2.9 mi from Idyllwild (on road to Hemet); San Jacinto Mts. 1219 Comment
  UCR59689  Mimulus guttatus Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3575 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake Area, along Arroyo Seco drainage from junction with Kolb Creek, S to within 0.25 mi of Hwy 79 457 Comment
  JOTR01207  Mimulus guttatus Cole, James E. 1941-5-27 792 Riverside Joshua Tree National Park. BARKER DAM 1310 Comment
  PASA127  Mimulus latidens Frank W. Peirson 1922-5-19 Riverside Menifee Valley 426 Comment
  JOTR33123  Mimulus pilosus La Doux, Tasha, Mike Bell 2003-10-17 1604 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Wonderland of Rocks; Wonderland Wash, active wash corridor with sandy bottom, surrounded by granitic outcrops and pediments 1310 Comment
  SEINET10570263  Mimulus primuloides David B. Dunn 1946-8-17 Dunn 2690 Riverside Near stream at camp in taquitz valley damp meadow area. San jacinto mtns. Comment
  CLARK-A1528-4269  Mimulus puniceus John C. Roos 1937-5-10 2334 Riverside Elsinore Comment
  CAS-BOT-BC9539  Mimulus rubellus Philip Alexander Munz 1922-6-30 5911 Riverside Santa Rosa, Santa Rosa Mountains 1981 Comment
  SDSU10801  Mimulus tilingii Garrison 1962-7-29 Riverside 2 miles beyond Black Mountain camp ground. 2134 Comment
  RSA170155  Mirabilis albida L. B. Ziegler 1964-07 s.n. Riverside Garner Valley, San Jacinto Mts. NW of Kenworthy Ranger station. 1402 Comment
  RSA777343  Mirabilis bigelovii var. bigelovii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4710 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 W116.65129 604 Comment
  RSA0027982  Mirabilis laevis var. crassifolia D. L. Banks, Victor W. Steinmann 1997-3-13 1461 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
  UCR120942  Mirabilis laevis var. crassifolia A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24920 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  CAS-BOT-BC434823  Mirabilis laevis var. retrorsa Roxana S. Ferris 1918-6-12 938 Riverside 5 mi south of Lancaster Comment
  SJSU8552  Mirabilis laevis var. retrorsa R. C. McGehee 1970-4-28 239 Riverside 2 mi S of Cottonwood Pass, Joshua Tree National Monument Comment
  RSA464620  Mirabilis multiflora var. pubescens E. A. McGregor 1963-11-6 s.n. Riverside Pines to Palms Hwy, between Palm Springs and Idyllwild. Comment
  RSA522320  Modiola caroliniana Steve Boyd 1989-7-28 3790 Riverside City of Riverside, campus of the University of California, Riverside.near N entrance to parking lot across from The Barn Comment
  JOTR34038  Mohavea confertiflora La Doux, Tasha, M. Harding 2010-4-7 2921 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; in upper reaches of side canyon, approx. 1 mile north of park boundary Comment
  SFV17538  Mohavea confertiflora J. F. Lockhart 1998-3-14 s. n. Riverside 2.3 miles south of Interstate 10 on Box Canyon Road. Comment
  UC1606989  Mohavea confertiflora David Charlton 1988-2-18 1190 Riverside S side of Little San Bernardino Mts. Fargo Canyon Road to Cottonwood Wash, S of Joshua Tree National Park, parallel to I-10, 5 mi E of Junction of Dillon Rd and Fargo Cyn Rd. 762 Comment
  LA63042  Monardella australis subsp. australis Martha Hilend; 1928-8-7 sn Riverside Mt San Jacinto, between Summit and Round Valley Comment
  RSA762009  Monardella lanceolata Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 661 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  POM236717  Monardella macrantha subsp. hallii W. Pequegnat 1940-5-24 s.n. Riverside Santa Ana Mountains: Divide, truck trail near Modjeska Peak. 1220 Comment
  UCR221478  Monardella nana subsp. arida Elizabeth McClintock 1941-7-12 105 Riverside Peninsular Range; San Jacinto Mtns., a few hundred feet beyond the forks on the trail to Suicide Rock 2195 Comment
  SEINET10582420  Monardella nana subsp. arida A. Graff 1993-6-24 Graff 58 Riverside San Bernadino National Forest, Santa Rosa Mtn. 1.4 miles down Santa Rosa Mtn. Rd. (USNFS Rd. 7S02) from Santa Rosa Camp, on right roadside, west-facing slope (heading back towards Hwy. 74). T7S,R5E,S29. Locally abundant in sun and shade of Pinus jeffreyi, Quercus chrysolepis, with Eriophyllum confertiflorum, Lonicera subspicta, Phlox austromontana, Galium andrewsii, Eriogonum fasciculatum var. foliosum, Amorpha californica, Bromus sitchensis, Castilleja sp. Comment
  RSA750272  Monardella nana subsp. tenuiflora Elizabeth McClintock, H. Lewis 1941-6-22 71 Riverside 0.1 mile from fork in road going to the public camps, on the Banning-Idyllwild road. Comment
  RSA750419  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-5-31 52 Riverside 5.75 miles from the Anza Monument turn off. Comment
  SEINET10829397  Monardella nana subsp. tenuiflora A. Graff 1993-6-24 Graff 44 Riverside San Bernadino National Forest, San Jacinto Mtns. 1.45 miles in on Black Mtn. Rd. (USNFS Rd. 4S01) from Hwy. 243, on both sides of the road, though most extensively on the right. Before intersection of 4S01 and 4S02. T4S,R2E,S23. Locally abundant in semi-shade, with Quercus kelloggi, Q. chrysolepis, Picea sp., Pinus coulteri, P. ponderosa, Arctostaphylos pringlei, Eriogonum confertiflorum, Lupinus sp., Lotus scoparius. Need USNFS permission to collect. Comment
  CAS-BOT-BC349801  Monoptilon bellioides Mrs. Jos. Clemens 1922-4-10 s.n. Riverside Mecca Comment
  RSA94162B  Monoptilon bellioides F. W. Peirson 1928-4-24 7899 Riverside Below Cottonwood Springs, Eagle Mountains. Northern Colorado Desert. Comment
  UC218119  Montia fontana Munz and Johnston 1922-5-19 5438 Riverside 1 mi se of Thomas Ranch (Hemet Valley); San Jacinto Mountains, Hemet Valley 1402 Comment
  RSA129316  Muhlenbergia asperifolia H. S. Yates 1936-6-28 6370 Riverside 3 miles NW of San Jacinto 457 Comment
  CAS-BOT-BC502083  Muhlenbergia microsperma A. C. Sanders; Jim Malusa 2015-3-11 41398 Riverside Sonoran (Colorado) Desert: Chocolate Mtns, Gasline Rd at jct with road to Observtion Point Slats, US Navy Chocolate Mtns Aerial Gunnery Range 723 Comment
  HSC8122  Muhlenbergia microsperma E. C. Jaeger 1922-4-1 787 Riverside Box Canyon, near Mecca. Colorado Desert Region. Comment
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Jul 9 2010
  POM13028  Muhlenbergia microsperma P. A. Munz, D. Keck 1922-4-13 4947 Riverside Eagle Mountains. 244 Comment
  RSA586811  Muhlenbergia microsperma D. L. Banks, Steve Boyd 1995-5-3 249 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  SEINET255560 Image available Muhlenbergia microsperma Mitch Provance 2004-5-1 7604 Riverside Granitic Knolls of Riverside, W side of Versity Hill (Coyote Hill), S side of the UCR campus 396 Comment
  UC819060  Muhlenbergia microsperma P. A. Munz and I. M. Johnston 1922-5-21 5550 Riverside dry slope 4 mi ne San Jacinto 457 Comment
  CLARK-A1528-4759  Muhlenbergia minutissima John C. Roos, Lucille Roos 1952-10-18 5903 Riverside Little San Bernardino Mountains 1219 Comment
  JOTR32417  Muhlenbergia porteri Harding, Mitzi, T. Herskovits, D. Shade 2011-8-11 8 Riverside Joshua Tree National Park. Valley west of Pinto Mountains along Rte 11; Belle Campground; Gravelly flats with granitic boulder outcrops 1154 Comment
  CAS-BOT-BC83346  Myosurus minimus Frank W. Peirson 1922-4-29 2945 Riverside South of Lake Elsinore. 374 Comment
  UCR266313  Myosurus minimus subsp. apus D. E. Bramlet 1991-5-3 2114 Riverside Perris-Aguanga Basin region, west of Hemet, Stetson Ave. 457 Comment
  UCR76165  Myosurus minimus subsp. apus A. C. Sanders 1993-4-1 13664 Riverside Perris-Aguanga Basin Region, western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St. and Devonshire Ave., 0.75 mile NE of the intersection of Florida Ave (Hwy 74) and Warren Rd, just south of Tres Cerritos 460 Comment
  RSA0039601  Nama demissa Deidre Conocchioli, Duncan S. Bell 2014-3-4 145 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 Comment
  RSA421117  Nama demissa E. S. Spalding 1926-2-13 s.n. Riverside Colorado Desert. Box Canon on Blythe Road. Comment
  UCSB12873  Nama demissa Breedlove, Dennis 1962-3-11 Riverside 3 miles southwest of Palm Desert 426 Comment
  RSA78477  Nama demissa var. deserti Verne Grant, Alva Grant 1952-3-20 17507 Riverside On road from Palm Springs to Santa Rosa Mountains a few miles south of intersection with Indio Road. 305 Comment
  POM1087  Nassella lepida I. M. Johnston 1917-6-5 1301 Riverside Hills south of Arlington 366 Comment
  RSA263718  Nassella lepida E. W. Lathrop 1966-5-26 6343 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  RSA587425  Nassella lepida D. L. Banks, Steve Boyd 1995-6-2 569 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail N of the Riverside County boundary;, in the clay grasslands in section 32, W of the Dripping Springs Alcove Area. 890 Comment
  UC821955  Nassella lepida P. A. Munz 1922-4-28 5028 Riverside 5 mi n Glen <I?>vy; Temescal Canyon Comment
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Apr 3 2011
  CLARK-A1528-3446  Navarretia atractyloides John C. Roos 1943-7-15 2733 Riverside San Timoteo Canyon Comment
  UCR220148  Navarretia atractyloides D. E. Bramlet 1989-5-15 1859 Riverside Peninsular Range, North Domenigoni Hills, near top of knoll 2184, 5600 ft. north of Newport Road and 9200 ft. east of the MWD canal 622 Comment
  UCR280914  Navarretia atractyloides Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-23 517- 39 Riverside Temescal Valley, Temescal Valley, Indian Wash, SE side of Glen Eden Rd. at De Palma Rd. 372 Comment
  UCR92336  Navarretia atractyloides Scott D. White, M. D. Wilcox 1995-7-13 3476 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
  RSA180386  Navarretia hamata subsp. hamata E. W. Lathrop 1960-6-10 5001 Riverside 8 miles west of Murrieta. Comment
  UC1483308  Navarretia prostrata Robert F. Thorne 1974-5-23 44667 Riverside top of Mesa de Colorado Santa Rosa Plateau, Rancho California, Mesa de Colorado 624 Comment
  UC1532793  Navarretia prostrata Robert F. Thorne and Earl Lathrop 1975-5-25 45563 Riverside Mesa de Burro Santa Rosa Plateau, Rancho California 609 Comment
  UCR20978  Navarretia prostrata A. C. Sanders 1980-5-17 1466 Riverside Santa Rosa Plateau, Santa Ana Mtns., 2.5 miles SW of Murrieta, Mesa De Burro 620 Comment
  UCR176722  Nemacladus glanduliferus A. C. Sanders, K. C. Rose 1995-4-27 16735 Riverside Sonoran (Colorado) Desert, Coachella Valley, foot of the Little San Bernardino Mtns., canyon east of Fan Hill, just outside Joshua Tree Nat. Park 549 Comment
  RSA0126322  Nemacladus longiflorus var. longiflorus H. Baer 1923-5-20 d.n. Riverside Lee Lake, Temescal. Comment
  UCR50887B  Nemacladus orientalis A. C. Sanders 1988-5-11 7813 B Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal, east of the gasline road from Niland 549 Comment
  RSA0124735  Nemacladus ramosissimus Duncan S. Bell, LeRoy Gross 2016-3-31 9193 A Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 6 air miles southeast of the summit of Martinez Mountain. 492 Comment
  UCR104634  Nemacladus ramosissimus D. E. Bramlet, P. Jacks, S. Goode 1989-4-4 1794 A Riverside Perris-Aguanga Basin Region, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  UCR20718  Nemacladus ramosissimus A. C. Sanders, Steve Boyd 1980-5-2 1438 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  SEINET10461076  Nemacladus ramosissimus Rimo Bacigalupi, Guy T. Robbins 1954-5-16 Bacigalupi 4464 Riverside St. John's Grade, State Highway 79, 11 miles south of Hemet, at junction of road to Red Mountain 792 Comment
  POM433290  Nemacladus sigmoideus M. B. Dunkle 1933-5-6 3443 Riverside Painted Canyon. Comment
  RSA28048B  Nemacladus tenuis var. aliformis I. L. Wiggins 1941-3-27 9671 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  RSA802257  Nemophila menziesii Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5004 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  UC1537400  Nemophila menziesii Gordon H. True Jr. 1935-3-1 28 Riverside Box Springs 365 Comment
  UCD120217  Nemophila menziesii Geoffrey Levin 1975-4-26 491 Riverside Mayhew Canyon 1.5 mi. southeast of Glen Ivy on Highway 71. 335 Comment
  UCR787  Nemophila pedunculata C. Bahre 1970-4-30 s.n. Riverside San Jacinto Mtns., North Fork of San Jacinto River 1524 Comment
  SD227909  Nicotiana acuminata var. multiflora Andrew C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22232 Riverside San Bernardino Mtns.: Morongo Indian Reservation, lower Hathaway Creek Canyon. 837 Comment
  UCR2978  Nicotiana glauca Wm. Horn Jr. 1963-3-11 630311- 01 Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, University of California campus, 50 yards north of Student Health Center 305 Comment
  RSA716431  Nicotiana quadrivalvis Scott D. White 2006-5-19 11474 Riverside Perris Basin/San Jacinto Mtn Foothills: South of Hemet, 'Santa Rosa Hills' near Hemet Butte. 549 Comment
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May 15 2015
  SBBG120594  Nicotiana quadrivalvis A. C. Sanders 2006-5-19 32426 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
  UCR20781  Nicotiana quadrivalvis A. C. Sanders, Steve Boyd 1980-5-2 1387 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCSB24718  Nolina parryi Rieser, R. 1966-5-15 Riverside Pinyon Flats Campground on south side of road 9.0 miles southeast from junction with road to Anza Comment
  CLARK-A1528-1497  Nolina parryi subsp. wolfii John C. Roos, Lucille Roos 1952-10-18 5904 Riverside Little San Bernardino Mountains 1219 Comment
  RSA0016944  Notholaena californica subsp. leucophylla Charlotte M. Wilder 1907-4-8 771 Riverside Murray Canyon, Colorado desert. Comment
  UC26819  Nuttallanthus texanus H. M. Hall 1896-4-1 416 Riverside Winchester Comment
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Mar 20 2011
  RSA788412  Oenothera bistorta var. veitchiana Doris Bowers 1972-4-15 1798 Riverside Near SBCM dig on Pulgas Creek Rd., Rancho Calif. 396 Comment
  RSA338178  Oenothera californica subsp. californica Robert F. Thorne, R. Dahlgren, Gertrud Dahlgren 1979-8-22 53586 Riverside Joshua Tree National Monument; Vicinity of Ryan Campground to base of Ryan Mountain. 1319 Comment
  SDSU13602  Oenothera californica subsp. californica W. Miller Riverside Comment
  POM96475  Oenothera californica subsp. californica P. A. Munz 1926-4-30 10375 Riverside Near Temecula. Comment
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Nov 17 2009
  CSUSB208  Oenothera deltoides Steve G. Nelson 1974-4-13 Riverside Two miles north of US Highway 10 on Washington. Found 200 yards from road in sand dunes. 152 Comment
  LA206204  Oenothera deltoides H. Lewis; 1952-3-9 1622 Riverside about 10 mi. S of Garnet Comment
  RSA75419  Oenothera deltoides subsp. deltoides F. W. Peirson 1922-4-6 782 Riverside Near the White Water Bridge, head of Coachella Valley. Comment
  POM355626  Oenothera elata subsp. hirsutissima M. B. Dunkle 1933-7-21 3736 Riverside Idyllwild. 1616 Comment
  SD27990  Oligomeris linifolia Carl B. Wolf 1932-4-28 3072 Riverside Colorado Desert. Chuckawalla Valley. 20 mi. west of Blythe on the Mecca Road 121 Comment
  RSA719039  Oligomeris linifolia Michael Honer 2005-3-11 2061 Riverside Rice Valley; 4.5 mi. SSE of Rice; 1.5 mi. E of ATSF railway. 220 Comment
  UCR233582  Oncosiphon piluliferum A. C. Sanders, John F. Green 2012-3-26 39992 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, De Palma Rd. near Indian Truck Trail, west of Lee (Corona) Lake near edge of a commercial development 363 Comment
  UCR252209  Oncosiphon piluliferum J. Mendoza 2011-5-13 s.n. Riverside Santa Ana River Regional Park near Louis Rubidoux Nature Center 221 Comment
  UCR266156  Oncosiphon piluliferum R. E. Riefner Jr. 2015-3-24 15- 97 Riverside Perris-Agunaga Basin, city of Perris, Case Road at Watson Road 450 Comment
  CAS-BOT-BC58052  Opuntia basilaris var. basilaris Catherine A. Toschi 1963-4-12 63 :128 Riverside Field redacted by CAS, contact the data manager for more information 304 Comment
  RSA22790  Opuntia polyacantha var. erinacea C. B. Wolf 1938-6-11 9422 Riverside Santa Rosa Mountains, 3.5 miles East of Anza, on road to Palms to Pines Hwy. 1220 Comment
  POM284057  Opuntia vaseyi Lyman Benson 1955-12-6 15621 Riverside Hills 3 miles southeast of Redlands. Crystal Springs. San Bernardino foothills. 488 Comment
  RSA524212  Opuntia vaseyi B. D. Parfitt, A. C. Sanders, R. Anthony 1986-4-18 3486 Riverside University of California Riverside: Botanical Garden Entrance. Native on grassy slopes across walk in front of herbarium. 335 Comment
  RSA623869  Orcuttia californica Jon E. Keeley 1985-7-31 7968 Riverside Mesa de Colorado, Santa Rosa Plateau. 610 Comment
  UC1618001  Orobanche bulbosa Donald G. Nelson 1936-5-21 369 Riverside e of Lake Hemet (just n of meadow in valley just e of Hurkey Creek Camp area, n of Mount Thomas, San Jacinto Mountains); San Jacinto Mountains Comment
  JEPS22573  Orobanche cooperi Rimo Bacigalupi with Paul C. Hutchison 1958-2-19 6205 Riverside 20 mi n of Desert Center (and about 3-4 mi e of the eastern base of the Coxcomb Mountains, along the Parker Dam Highway from Rice to Desert Center); Colorado Desert, Parker Dam Highway 243 Comment
  UCR216208  Orobanche cooperi Jim Andre, T. La Doux 2009-2-25 10828 Riverside Sonoran (Colorado) Desert, Palen Dry Lake; c. 6 miles north of I-10 freeway, c. 15 miles east of Desert Center 129 Comment
  SEINET10500313  Orobanche cooperi David B. Dunn 1946-2-23 Dunn 1987 Riverside Collected in a sandy wash bed beside a boulder in Grotto Canyon. Comment
  RSA662186  Orthocarpus purpurascens Dolores Perez 1981-4-11 23 Riverside Cajalco Rd., S. of Lake Matthews. Comment
  POM13866  Orthocarpus purpurascens var. purpurascens Philip A. Munz 1922-4-29 5104 Riverside 3 miles west of Dripping Spring. 579 Comment
  RSA562105  Osmorhiza brachypoda Steve Boyd 1992-4-14 6801 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Verdugo Trail from Tenaja Trail to Bluewater Trail in upper watershed of Bluewater Canyon, S of Sitton Peak. 793 Comment
  UCR95212  Osteospermum ecklonis D. L. Banks, E. H. Banks 1996-5-2 953 Riverside Agua Tibia Mountains, NW Palomar Mountains; NW foothills of Dorland Mtn, S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage 524 Comment
  UCR217526  Oxytheca caryophylloides Jeff B. Galvin 2010-6-17 136 Riverside San Jacinto Mtns, Black Mountain trail. c. 1/2 mile east of Hwy 243 and 1/2 mile north-northeast of Bay Tree Spring 1728 Comment
  UC597594  Oxytheca emarginata Philip A. Munz 1937-5-30 15081 Riverside nw slope of Santa Rosa Mts. Santa Rosa Mts. 2133 Comment
  UCR55276  Oxytheca trilobata Kathy Harper 1988-6-11 s.n. Riverside San Jacinto Mtns., On Thomas Mtn Rd., south of Thomas Mtn. Lookout. Comment
  UCR35093  Paeonia californica L. B. Ziegler 1967-2-20 110 Riverside San Jacinto Mtns., Red Mountain Road off Hwy 79 762 Comment
  CAS-BOT-BC327925  Palafoxia arida J. Von Loh 1978-1-23 3307 B Riverside Palo Verde Mesa, 12 mi W of Blythe 121 Comment
  CAS-BOT-BC327940  Palafoxia arida J. Von Loh 1977-10-30 3307 A Riverside Ford Dry Lake Comment
  RSA0013750  Palafoxia arida var. arida April Garbat, Sarah J. De Groot 2013-3-27 28 Riverside Hwy 177 N of Hwy 10, N of Palen Pass Rd. On E side of the road 398 Comment
  UC665738  Palafoxia arida var. arida Ira L. Wiggins 1941-3-24 9564 Riverside sand dunes 0.3 mi s Myoma (4.2 mi n of Indio) Comment
  SBBG103859  Panicum capillare M. A. Patten 1992-5-7 92 -29 Riverside Santa Rosa Plateau along Via Vaquero at Via Oesta, ca. 5 mi km W of Temecula Comment
  UCR2624  Panicum capillare F. M. Reed 1903-12-18 416 Riverside Riverside, Box Springs Mtns. foothills, natural bridge, Little Arroyo. (E edge of town near Tequesquite Arroyo and Chicago Ave., 'Little Arroyo' evidently drained into Arroyo T. from the N a short distance west of Chicago Ave.- notes by A. Sanders, 1993) 293 Comment
  UCR82985  Panicum capillare A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15810 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  UCR278641  Panicum hirticaule subsp. hirticaule Onkar Singh 2015-11-10 5615 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 100 m south of Hwy I-10, 50 m east of eastern terminus of Chiuckwalla Valley Road 115 Comment
  SBBG57164  Panicum urvilleanum Anstruther Davidson 1893-1 Riverside Palm Springs Comment
  SEINET10788753  Panicum urvilleanum Sarah E. Youngstrom, J. Travis Columbus 2007-5-23 Youngstrom 1 Riverside Just E of San Jacinto in San Jacinto River, 100-200 m N of Main St. bridge, near middle of dry river channel. 485 Comment
  SD217341  Papaver californicum Steve Boyd, Tim Ross 1990-5-11 4629 Riverside Vail Lake area, base of Agua Tibia Mountain, east of Dripping Springs campground of Cleveland National Forest, South of Highway 79. 548 Comment
  UCR24743  Parkinsonia florida N. R. Zabriskie, Harold J. Ryan 1970-4-27 283 Riverside Sonoran (Colorado) Desert, Boyd Deep Canyon Research Center near Palm Desert 213 Comment
  UCSB17563  Parkinsonia florida Gerhart, Janet 1963-4-6 Riverside 3.8 mi. south of U.S. Highway 60-70 on mine road, 10.7 mi. east of intersection of State Highway 195 396 Comment
  PASA207  Parosela mollis Stason 1930-3-9 Riverside Painted Canyon Comment
  RSA343104  Paspalum dilatatum R. F. Thorne, Walter Wisura, Earl Lathrop, Sara Meury 1985-5-18 60630 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along seasonal stream in Cole Canyon, near entrance 534 Comment
  RSA0062770  Pectis papposa Duncan S. Bell, Evan Meyer 2014-10-21 7650 Riverside Orocopia Mountains; northwestern section of the range; in the vicinity of Hotel California; about 3 air miles northwest of the summit of the Orocopia Mountains. 762 Comment
  JEPS34819  Pectis papposa var. papposa W. L. Jepson Oct 22 1912-Nov 7 1912 5267 Riverside Palo Verde Valley 45 Comment
  RSA0087459  Pectis papposa var. papposa Sarah J. De Groot, Amy Rouillard 2015-9-15 7571 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 107 Comment
  POM10452  Pectocarya heterocarpa Charlotte M. Wilder 1905-3-12 s.n. Riverside Paloverde Valley. Comment
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Nov 24 2016
  UC50359  Pectocarya linearis subsp. ferocula H. M. Hall Apr. 1903 3725 Riverside Vicinity of Riverside; in the Sonoran Zone 365 Comment
  RSA0106453  Pectocarya penicillata Daphne K. Christopher, Hannah Stevens 2003-4-3 79 Riverside UC Riverside, Motte Rimrock Reserve. Off Hairstreak Trail. 536 Comment
  RSA525688  Pectocarya penicillata Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4559 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake Comment
  UCR178280A  Pectocarya penicillata T. B. Salvato, Tracy Tennant 1998-1 MOR- 802 A Riverside San Bernardino Mtns., Morongo Indian Reservation, upper Potrero Canyon, near sag pond at Burro Flats, tree stand P-11 1098 Comment
  UCR108483  Pectocarya peninsularis A. C. Sanders, P. J. MacKay, M. Jacobsmeyer, C. L. Sanders 1995-3-5 15998 Riverside Sonoran (Colorado) Desert, Orocopia Mtns, Maniobra Valley, 1.6-3 mi. south of frontage road (old Hwy 60) along Interstate 10, S to edge of BLM wilderness 610 Comment
  RSA597412  Pectocarya platycarpa L. C. Wheeler 1970-4-5 s.n. Riverside West of Desert Hot Springs, by old road to 29 Palms. Comment
  UCR279359  Pectocarya platycarpa A. C. Sanders, Jim Malusa 2017-3-24 42966 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  RSA496367  Pectocarya recurvata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-19 3041 Riverside Vail Lake area, 0.75 mile NW of dam. 622 Comment
  SEINET3084040 Image available Pectocarya recurvata Andrew C. Sanders, L. Lubinsky, A. Knapp, P. J. MacKay, C. L. Sanders 1995-2-12 15919 Riverside Sonoran (Colorado) Desert; Coachella Valley, alluvial fan below the Little San Bernardino Mtns., Fargo Canyon Road, 1.35 mi. east of Dillon Road 98 Comment
  UCR41526  Pectocarya recurvata A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6020 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
  UCR68716  Pectocarya setosa Steve Boyd, T. S. Ross 1990-5-11 4611 Riverside Agua Tibia Mountains, Cleveland National Forest, base of Agua Tibia Mtn, east of Dripping Springs campground, south of Hwy 79 671 Comment
  POM12747  Pedicularis semibarbata Philip A. Munz 1922-7-6 6020 Riverside Between Hidden Lake and Round Valley. 2561 Comment
  RSA686750  Pellaea andromedifolia var. andromedifolia Christopher Davidson 1977-5-25 5660 Riverside Mesa de Burro Santa Rosa Plateau area of Santa Ana Mountains. 701 Comment
  SD138476  Pellaea mucronata Darin L. Banks, Steve Boyd 1995-3-15 71 Riverside Northwest Palomar Mountains, Agua Tibia Wilderness Area, north face of Agua Tibia Mountain, Dorland Mountain area 787 Comment
  RSA34556  Pellaea mucronata var. mucronata Norman C. Cooper 1944-6-17 1426 Riverside San Jacinto Mountains: above Banning 1372 Comment
  UC812401  Pellaea mucronata var. mucronata P. A. Munz and I. M. Johnston 1922-5-6 5225 Riverside Smith Water Canyon; Little San Bernardino Mts 1066 Comment
  UCR123356  Penstemon californicus Bern Schwenn 1997-6-29 s.n. Riverside San Jacinto Mtns., San Bernardino National Forest, junction of Cedar Springs Trail and Pacific Crest Trail 2073 Comment
  POM11204  Penstemon centranthifolius Philip A. Munz 1922-6-23 5787 Riverside Hemet Valley, San Jacinto Mountains, [on Garner Ranch - 5784]. 1372 Comment
  RSA20207  Penstemon centranthifolius Carl B. Wolf 1938-6-11 9418 Riverside Palms to Pines highway, 1.5 mi. W of junction to Anza 1220 Comment
  RSA601102  Penstemon centranthifolius A. C. Sanders, J. Goetzen 1996-5-1 18137 Riverside San Bernardino Mtns.: Morongo Indian Reservation, along dirt road in Hathaway Crk., N of Banning. [UTM 10 km cell: NH-1E, 5N. Banning.] 792 Comment
  CAS-BOT-BC265287  Penstemon clevelandii subsp. connatus C. Epling; Wm. Stewart 1936-5-9 s.n. Riverside Near Ribbonwood, Mount San Jacinto Comment
  UCR29644  Penstemon clevelandii subsp. connatus Wende Rehlaender 1983-5-28 117 Riverside Peninsular Ranges, Santa Rosa Mountains, Pinyon Flats Campground, c. 13.5 mi. along Hwy 74 from Palm Desert; 3.5 mi. north of Santa Rosa Mountain, 3 mi. south of Asbestos Mountain 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
  RSA772326  Penstemon grinnellii subsp. grinnellii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4506 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  POM12228  Penstemon labrosus Mary F. Spencer 1921-7-11 658 Riverside Idyllwild. 1829 Comment
  UCR139091  Penstemon spectabilis Scott D. White 1997-5-18 5184 Riverside San Jacinto Mtns., 'Black Mountain Scenic Area,' Black Mountain Trail between Hwy 243 and Cinco Poses Trail junction 1829 Comment
  NY661151  Penstemon spectabilis var. spectabilis E. K. Balls 1953-8-19 18534 Riverside 1-1.5 miles west of Anza along highway from Anza to Aguanga 1219.2 Comment
  RSA583741  Penstemon spectabilis var. spectabilis Steve D. Boyd 1995-4-24 8490 Riverside Palomar Range, Agua Tibia Wilderness Area, northeastern base of Wildhorse Peak, west of Devil's Hole, along the Wildhorse Trail near the rounded gabbro peak known as ''Agua''. 762 Comment
  CAS-BOT-BC330344  Pentachaeta aurea John Thomas Howell 1927-8-2 2911 Riverside Idyllwild, Strawberry Valley, Mt. San Jacinto 1676 Comment
  SEINET9628509 Image available Pentagramma triangularis C. L. Hitchcock, C. V. Muhlick 1964-3-17 23110 Riverside Along steep bank, 10 mi N of Pala, along road to Elsinore. Comment
  UCR239222  Peritoma arborea Thomas R. Stoughton, E. Gardner, D. Bell 2010-11-12 716 Riverside Transverse Ranges; San Bernardino Mountains, Pacific Crest Trail, west of White Water Canyon, north of the junction of Hwy I-10 and Rte 111 732 Comment
  RSA510033  Perityle emoryi B. Pitzer, S. Myers, J. Wilkinson 1988-2-21 602 Riverside S end of Coxcomb Mtns, 0.2 mi. N of Hwy 177 (Old Desert Center - Rice Road), 10.6 mi. NE of Desert Center. 229 Comment
  SBBG55711  Perityle emoryi D. Keil, M. McLeod, D. Walters 1977-3-28 12078 -2 Riverside Pinto Basin Rd, 11 mi S of northern park boundary Comment
  SBBG8654  Perityle emoryi H. and M. Dearing 1936-12-26 1886 Riverside foot of Palms to Pines Hwy Comment
  SBBG97221  Perityle emoryi W. L. Halvorson 1977-2-5 77 -10 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  SEINET3388780 Image available Perityle emoryi Lewis S. Rose 1935-12-23 35687 Riverside 13 miles south of Cathedral City. San Jacinto Mountains. 610 Comment
  UC69020  Perityle emoryi H. M. Hall April 1905 5863 Riverside Canyon Springs Colorado Desert, Canyon Springs Comment
  UCR244877  Perityle emoryi Jim Andre 2012-3-19 21385 Riverside Sonoran (Colorado) Desert, Palen Mountains, along Palen Pass Rd at Palen Pass 383 Comment
  UCR72227  Perityle emoryi Theo Glenn 1991-5-30 91- 116 Riverside Sonoran (Colorado) Desert, Mule Mtns, 0.2 mi. east of the Opal Hill Mine, just north of the Imperial County line and west of Palo Verde 200 Comment
  JEPS41229  Petalonyx linearis Edmund Jaeger 1921-3-27 Riverside Thousand Palms Canyon Colorado Desert, Thousand Palms Canyon 304 Comment
  RSA445167  Petalonyx thurberi N. C. Cooper 1944-5-20 2631 Riverside Palms to Pines Hwy., San Jacinto Mtns. 305 Comment
  SJSU6730  Petalonyx thurberi C. W. Sharsmith 1974-1-6 8015 Riverside Palm Springs Comment
  SD48389  Petalonyx thurberi subsp. thurberi E. K. Balls, P. C. Everett 1957-8-20 22662 Riverside In sun, on dry open desert; 3.2 mi. north along road to 29 Palms from jct. with U.S. Hwy. 60/70/99. 259 Comment
  UC164853  Petalonyx thurberi subsp. thurberi S. B. Parish 1902-6-28 8121 Riverside Mecca Colorado Desert, Mecca Comment
  UCR266402  Petunia parviflora D. E. Bramlet 1996-5-4 2467 Riverside Perris-Aguanga Basin Region, San Jacinto Wildlife Area, shallow ponds near Marsh A, c. 1.39 km NE of the reserve entrance at Davis Road, via Contour Rd. 434 Comment
  CAS-BOT-BC326727  Peucephyllum schottii Munz; Street; Williams 1919-3-26 2391 Riverside Near Salton Sea Comment
  CAS-BOT-BC326770  Peucephyllum schottii Peter H. Raven 1958-3-15 11831 Riverside Painted Canyon near Mecca Comment
  RSA0118001  Peucephyllum schottii Sarah J. J. De Groot, Thomas Stoughton 2016-2-18 7627 Riverside Mecca Hills: side canyon (east fork) of Painted Canyon. 182 Comment
  RSA94110  Peucephyllum schottii F. W. Peirson 1930-3-29 8690 Riverside Colorado Desert. Painted Canyon, near Mecca. Comment
  POM13912  Phacelia ambigua P. A. Munz, D. D. Keck 1922-4-9 4759 Riverside Shavers Well, near Mecca. 76 Comment
  UCR133439  Phacelia brachyloba Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 445 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  RSA550021  Phacelia campanularia Walter Wisura, A. King, L. Newcomb 1992-4-10 4676 Riverside Gorgonio Pass: Stubbe Canyon N of W-Palm Springs. Comment
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Dec 25 2013
  JOTR35925  Phacelia campanularia subsp. campanularia De Groot, Sarah J., Jessica Chu, Loraine Washburn 2013-3-22 6873 Riverside Joshua Tree National Park. Cottonwood Spring; Fan palm oasis and surrounding slopes. 905 Comment
  UC791036  Phacelia campanularia subsp. vasiformis Carroll E. Wood Jr. and Thomas Morley 1949-5-1 7624 Riverside sw-facing slope at Key's View Joshua Tree National Monument, Little San Bernardino Mountai (mts. above Coachella Valley) Comment
  SEINET7073336  Phacelia cicutaria A. G. Vestal 1963-4-29 s.n. Riverside South Mesa on Tenaja Grande (Tenaja Trunk Road), Santa Ana Mountains. Cleveland National Forest. Coordinate datum: NAD27. Comment
  UCR174034  Phacelia cicutaria var. hispida A. C. Sanders 2006-5-19 32454 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
  UCR174964  Phacelia cicutaria var. hispida Teresa Nieto 2005-4-24 23 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  SD181483  Phacelia crenulata Valerie Soza, J. M. Porter, G. D. Wallace 2001-4-2 1094 Riverside Transverse Ranges, Little San Bernardino Mountains region, mouth of West Wide Canyon, west side of Channel Run; Seven Palms Valley [quad]. Comment
  UCR112089  Phacelia crenulata A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23363 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 15 Comment
  UCR25799  Phacelia crenulata var. ambigua John C. Roos, Lucille Roos 1949-4-6 4140 Riverside Sonoran (Colorado) Desert, Canyon in the Orocopia Mountains, 2.5 mi. NE of Dos Palmas Spring 152 Comment
  UC665895  Phacelia crenulata var. minutiflora Ira L. Wiggins 1941-3-27 9669 Riverside about 4 mi ne Desert Center (on road to Rice) Comment
  UC1518622  Phacelia cryptantha Robert F. Thorne, Drs. Fosberg, Sachet, and Herbst 1983-4-23 55464 Riverside side canyon on w side Whitewater Canyon (ca 3.3 mi n of Whitewater Post Office) 594 Comment
  SD52981  Phacelia curvipes Peter H. Raven 1962-5-18 17756 Riverside Road to Indian Hill Canyon 0.6 miles east of Santiago Peak, Santa Ana Mountains. 1615 Comment
  CAS-BOT-BC133970  Phacelia distans Geo. B. Grant 1906-4-20 6775 Riverside Palm Springs Comment
  HSC13742  Phacelia distans D. W. Snell 1964-3-26 18 Riverside 1.5 mi. E of Hwy. 79, 5 mi. S of Hemet. Comment
  RSA428221  Phacelia distans H. de Forest 1929-3-16 14648 Riverside San Bernardino Mts, San Gorgonio Pass. Comment
  SD187426  Phacelia distans Naomi Fraga, Lisa Rojas 2005-2-10 1361 Riverside Colorado Desert; Northeastern Colorado Desert region: just north of Palen Pass Road, ca. 10 miles east of Hwy 177 365 Comment
  UCR201488  Phacelia distans Scott D. White, Justin M. Wood 2008-6-16 12142 Riverside San Jacinto Mountains, meadow at Quinn Flat 1378 Comment
  JOTR33961  Phacelia fremontii La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2847 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; sandy wash and gravelly benches with bouldery granitic outcrops Comment
  POM13245  Phacelia minor P. A. Munz, I. M. Johnston 1922-5-19 5356 Riverside 5 miles NE of Murietta. 457 Comment
  UCR4143  Phacelia minor Ronald M. Cope 1965-3-28 s.n. Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, small canyon on west side of Canyon Crest Drive, about 2 mi south of Fire Prevention Lab 274 Comment
  UCR6185  Phacelia minor Martha Hofmann 1967-5-12 s.n. Riverside S of Corona, off Hwy 71 between El Cerrito and Cajalco Road west of Temescal Road and east of Hwy 71. Comment
  UCSB5413  Phacelia minor Koran, Jr., John 1958-3-28 Riverside 13 miles North of Palm Springs on Highway 111 Comment
  UCR214899  Phacelia neglecta A. C. Sanders 2010-3-23 37528 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mtns. 140 Comment
  CLARK-A1045-177  Phalaris caroliniana George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains vernal pool; Wildomar 7.5'Q Comment
  UCR252658  Phalaris minor T. B. Salvato, Matthew Malle 2013-4-2 7494 Riverside Perris-Aguanga Basin, Wildomar, c. 2 mi east of Lake Elsinore, west side of Mission Trail, north of Victorian Lane 387 Comment
  UCR167933  Phalaris paradoxa T. B. Salvato, Gregg Miller 2005-6-3 1361 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River c. 2.5 mi SSW of Perris, 1.5 mi downstream of Goetz Road where the river leaves the Perris Plain and enters the hill area above Railroad Canyon 427 Comment
  RSA543912  Pholisma arenarium Steve Boyd 1991-5-20 6277 Riverside Santa Ana Mountains, NW of Lake Elsinore. Lower Rice Cyn, just inside Cleveland Nat. For. boundary. 573 Comment
  RSA78182  Pholisma arenarium P. A. Munz 1953-5-31 18518 Riverside Joshua Tree National Monument. 1357 Comment
Read comments
Jul 9 2012
  SD181475  Pholistoma auritum Scott D. White, Pam DeVries 2000-4-25 7725 Riverside Temescal Valley, eastern foothills of Santa Ana Mountains just above citrus groves; Corona South [quad]. 412 Comment
  RSA15520  Phoradendron californicum L. S. Rose 1935-12-19 s.n. Riverside Palm Springs. 138 Comment
  CLARK-A1528-888  Physalis crassifolia Charlotte Stocks 1963-5-26 Riverside La Quinta Comment
  JEPS8984  Physalis crassifolia John Thomas Howell 1928-1-29 3297 Riverside Painted Canyon; Colorado Desert Comment
  RSA0093747  Physalis crassifolia Jim M. Andre 2012-4-11 20721 Riverside Little San Bernardino Mountains; along road to Cottonwood Spr. (Utah Trail or Eldorado Mine Rd) 1 mi NW of Fried Liver Wash, approx 15 mi. south of Hwy 62 at 29 Palms. 617 Comment
  JOTR00960  Physalis crassifolia Moran, Reid 1941-5-5 857 Riverside Joshua Tree National Park. COTTONWOOD PASS Comment
  UCR201855  Picris echioides Justin M. Wood 2008-10-29 212 Riverside SW Perris Basin, Temecula - Murrieta Creek, downstream of First Street Bridge 320 Comment
  RSA0042756  Pinus cembroides Anonymous 1938-5-26 s.n. Riverside Pinyon Flats. San Jaciento Mt. Comment
  SEINET10530519  Pinus cembroides var. parryana Victor Duran 1933-7-2 Duran 3495 Riverside Near Santa Rosa, Santa Rosa Mountains. 1676 Comment
  RSA384332  Pinus flexilis George R. Johnstone 1928-9-8 s.n. Riverside Mt. San Jacinto, Calif. Wind swept timber. 3288 Comment
  SD136361  Pinus flexilis Carl B. Wolf 1932-8-5 Riverside slopes of San Jacinto Peak, along trail above Round Valley 2925 Comment
  UC64436  Pinus flexilis H. M. Hall 1901-8-1 Riverside San Jacinto Mountains Comment
  RSA0094892  Pinus halepensis A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-20 41732 Riverside Temesal Canyon, open area on south side of I-15, between Horse Thief Canyon Road and Hostettler Rd. 395 Comment
  UC64551  Pinus lambertiana H. M. Hall 1901-6-1 2320 Riverside near Tauquitz; San Jacinto Mountains 2682 Comment
  UC64552  Pinus lambertiana H. M. Hall 1902-4-16 2884 Riverside w side Tahquitz Pk.; San Jacinto Mountains 2499 Comment
  CDA18000  Pinus monophylla L. D. Merrill 1999-8-27 s.n. Riverside Cactus Springs Trailhead, Santa Rosa Mtns. 0 Comment
  POM12978  Pinus quadrifolia Philip A. Munz, I. M. Johnston 1922-5-20 5492 Riverside Head of Hemet Valley, San Jacinto Mts 1524 Comment
  UCR94260  Plagiobothrys Scott D. White 1996-4-14 3893 Riverside Perris Basin, Near Perris Airport, c. 100 m north of Case Rd. and 100 m west of the San Jacinto River channel 433 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
  UCR20688  Plagiobothrys canescens O. F. Clarke 1980-4-26 s.n. Riverside Menifee Valley Area, south of Sun City a few miles. 1.5 miles west from the intersection of Holland and Haun Roads, 2 miles SW of the intersection of Newport Rd and Hwy 395 473 Comment
  UCR228742  Plagiobothrys canescens A. C. Sanders, Nathan Moorhatch 2011-3-22 38798 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland in Menifee Valley, powerline route along McLaughlin Rd. between Palomar Rd. and San Jacinto Rd. 442 Comment
  UCR25421  Plagiobothrys canescens John C. Roos 1952-4-16 5559 Riverside Box Springs Mountains, Pigeon Pass 457 Comment
  SDSU18963  Plagiobothrys canescens var. canescens C. Matt Guilliams, Jeannine Ross 2008-3-12 534 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 436 Comment
  UC76139  Plagiobothrys collinus Miss M. A. King 1893-1 Riverside Menifee Comment
  UCR121810  Plagiobothrys collinus A. C. Sanders, Carolyn Washburn 2001-4-17 24058 Riverside San Jacinto Valley, southwest edge of Hemet, NW of intersection of Stowe Rd. and California Av., 2 miles NE of Winchester 457 Comment
  UCR97455  Plagiobothrys collinus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19844 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  SD244102  Plagiobothrys collinus var. californicus A. C. Sanders, Timothy . Chumley 2013-4-3 40769 Riverside Peninsular Range: Temescal Canyon south of Horsethief Canyon Road, off the west shoulder of I-15 fwy, SE of Corona (Lee) Lake (Alberhill 7.5'Q) 391 Comment
  UC1537688  Plagiobothrys collinus var. californicus Gordon H. True Jr. 1935-2-20 9 Riverside Box Springs Sycamore Canyon 365 Comment
  UCR250216  Plagiobothrys collinus var. fulvescens A. C. Sanders 2014-4-8 40980 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
  RSA198966  Plagiobothrys fulvus var. campestris R. F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37425 Riverside Santa Rose Plateau: Mesa de Colorado, Rancho California. 671 Comment
  RSA779592  Plagiobothrys jonesii Duncan S. Bell 2009-3-7 23 Riverside Arica Mountains: collecting on the ridgeline of the mountain range just north of the summit along the border of the Palen/McCoy Wilderness area. 614 Comment
  POM13567  Plagiobothrys leptocladus P. A. Munz, I. M. Johnston 1922-5-19 5369 Riverside Menifee Valley. Comment
  UC306227  Plagiobothrys leptocladus P. A. Munz 1918-4-27 2123 Riverside se end Lake Elsinore; se end Lake Elsinore Comment
  UCR76172  Plagiobothrys leptocladus A. C. Sanders 1993-4-1 13671 Riverside Perris-Aguanga Basin Region, western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St. and Devonshire Ave., 0.75 mile NE of the intersection of Florida Ave (Hwy 74) and Warren Rd, just south of Tres Cerritos 460 Comment
  UCR16169  Plagiobothrys nothofulvus James K. Ryan 1968-5-14 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, Rancho California, 4 miles west of Murrieta on Tenaja Road 549 Comment
  SBBG53772  Plagiobothrys tenellus S. Boyd 1980-4-27 Riverside Harford Springs County Park, NW corner of the Gavilan Plateau Comment
  UC473484  Plagiobothrys tenellus John Thomas Howell 1930-5-10 4804 Riverside sandy plateau at top St. John's Grade Comment
  RSA251158  Plagiobothrys undulatus P. A. Munz 1941-5-18 16662 Riverside north end of Santa Rosa Ranch, Elsinore Mountains. 854 Comment
  RSA286790  Plagiobothrys undulatus R. F. Thorne 1974-5-23 44681 Riverside Santa Rosa Plateau, Rancho California; grassland area E of Redonda Mesa 610 Comment
  CHSC8393  Plantago Edward L. Smith 1958-3-22 410 Riverside Located in sand dunes 3 mi. s of Rice. Santa Maria Mts. 335 Comment
  RSA678420  Plantago erecta Michael Wall 2003-4-15 271 Riverside Lamb Canyon west of Beaumont, off Hwy. 79, 5.2 mi. south jct. with 10 Fwy up dirt road at turnout along west side of Hwy. 602 Comment
  UCR106736  Plantago lanceolata John Wear, N. Moorhatch 1996-9-20 s.n. Riverside San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  JEPS15400  Plantago ovata Joseph and Hilda Grinnell 1937-11-30 1083 a Riverside 24 mi w Blythe (bed of Ford Dry Lake); Ford Dry Lake 106 Comment
  JEPS7190  Plantago ovata S. B. Parish 1912-10-23 8342 Riverside Mecca Salton Basin -57 Comment
  UCR10198  Plantago ovata N. R. Zabriskie 1969-4-27 209 Riverside Sonoran (Colorado) Desert, Andreas Canyon near Palm Springs 457 Comment
  RSA68981  Plantago ovata var. fastigiata F. W. Peirson 1926-2-22 6510 Riverside Thousand-Palms Canyon; Coachella Valley Comment
  UCR178277  Plantago patagonica Mitch Provance, Tracy Tennant 1998-6-16 MOR- 380 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon just south of Millard Guard Station 1037 Comment
  CAS-BOT-BC93213  Platanus racemosa B. D. Stark 1933-11-1 5555 Riverside Andreas Canyon, desert side of San Jacinto Mountains. Comment
  CAS-BOT-BC93215  Platanus racemosa Robert Allen; Fred M. Roberts 2007-6-22 s.n. Riverside Southeast of Hemet, Bautista Canyon, ca. 4 road miles southeast of junction Bautista Canyon Road and Fairview Avenue. 727 Comment
  JEPS98073  Platanus racemosa D. Wilken with E. Painter 2000-11-4 15871 Riverside Chico Canyon, near end of road to Tramway base San Jacinto Mountains 900 Comment
  RSA588170  Platanus racemosa D. L. Banks, Victor W. Steinmann 1995-7-10 748 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak. In major drainage that flows off NW flank of Wildhorse Peak. 610 Comment
  UCR112597  Platanus racemosa Mitch Provance 1998-2-17 61 Riverside Jurupa Mountains, Slopes on the W side of Sierra Blvd, c. 0.7 km NNW of the Jensen Quarry 396 Comment
  RSA356727  Platystemon californicus Robert F. Thorne, E. W. Lathrop 1975-5-25 45557 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 610 Comment
  UCR103734  Platystemon californicus A. C. Sanders, G. Helmkamp 1997-3-15 19985 Riverside Lake Skinner area, NE shore of Skinner Lake, SE foot of Bachelor Mtn., NE slopes of a small hill 473 Comment
  UCR90397  Plectritis ciliosa subsp. insignis D. L. Banks, Steve Boyd 1995-5-9 0388 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, west of the Dripping Springs Alcove, west of Woodchuck Campground. 701 Comment
  CDA32628  Pleuraphis rigida G. D. Barbe, J. L. Johnson 1982-11-2 4016 Riverside 1.3 miles south of Wiley s Well, 0.7 mile north of Coon Hollow Campground. 0 Comment
  JOTR16786  Pleuraphis rigida Baker, James K. & Baker, Ilisa T. 1966-10-20 s.n. Riverside Joshua Tree National Park. RYAN MOUNTAIN WATER STATION 1310 Comment
  UC519841  Pleuraphis rigida N. Dunn and A. M. Martin Mar 26 1932-Mar 27 1932 Riverside Cottonwood Spring Comment
  JEPS18555  Pleurocoronis pluriseta W. L. Jepson 1927-4-12 11681 Riverside Painted Canyon Colorado Desert, Mecca Hills 76 Comment
  UC1929845  Pleurocoronis pluriseta Scott D. White 2001-4-17 8334 Riverside SONORAN DESERT: Shavers Valley. North of the I-10 Freeway, ca. 16 miles east of Indio jtn. I-10 / SR 111. Bajadas, washes, and mtn. foothils near powerline access roads at unnamed freeway exit accessing pump station. Comment
  UC35681  Pluchea odorata var. odorata E. G. Koethen 1897-10-16 A Riverside w Riverside Comment
  HSC28064  Pluchea sericea Richard Spjut 1973-5-4 3349 Riverside Colorado Desert, Corn Spring, Chuckawalla Mtns. 305 Comment
  HSC47481  Pluchea sericea Richard Spjut, Judy Adams 1978-11-22 5241 Riverside Colorado Desert; vicinity of Indio along Dillon Rd. 0 Comment
  RSA696921  Pluchea sericea J. R. Bruff 1927-10-8 1 -E Riverside Thousand Palms Comment
  UCR138822  Poa annua D. L. Banks 1997-2-23 1297 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation, south of Pechanga Rd. in the Reservation, north of Pechanga Creek and east of the Pechanga Tribal Government Center 367 Comment
  UCR182097  Poa annua Tom Chester 2005-4-26 596 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau Ecological Reserve: Sylvan Meadows Road, 0.14 miles (0.2 km) west of jct. with Torino Trail 562.5 Comment
  UCR2674  Poa annua F. M. Reed 1904-3-11 661 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside, Terraces Ranch [547 Chicago Ave., near Arroyo Tequesquite] 305 Comment
  UCD90510  Poa bigelovii H. K. Wagnon 1944-3-19 345 Riverside Palm Springs. Along south side of Tahquitz Creek. Comment
  SD156727  Poa bulbosa Unknown 1940-4-30 Riverside Temecula Comment
  RSA171371  Poa fendleriana J. D. Olmsted 1962-5-3 3539 Riverside Above old Santa Rosa Indian Village; SW side of Santa Rosa Mountain. 1905 Comment
  RSA801723  Poa howellii LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6168 Riverside End of Apela Drive, west end of Strawberry Valley. And south of road (5S24) that runs out to the sewage disposal ponds. Collections are between this road, and Strawberry Creek., Basically ridge north of Strawberry Creek and creek north of this ridge, south of road. This draw drains into Strawberry Creek. 1524 Comment
  SEINET1911032  Poa pratensis Scott D. White, Justin M. Wood 2008-1 12260 Riverside San Jacinto Mountians: Meadows at Baldy Mtn. 1585 Comment
  POM204879  Poa pratensis S. F. Blake 1901-6-2 s.n. Riverside Rayneta, Riverside County Comment
Read comments
May 26 2013
  RSA298881  Poa secunda Frank W. Gould 1943-4-18 2153 Riverside On steep grassy slopes 1 mile west of Banning; foothills of the San Jacinto Mountains. Comment
  RSA341988  Poa secunda R. F. Thorne 1980-4-16 54063 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  RSA759239  Poa secunda Elizabeth A. Kellogg, Elizabeth L. Taylor 1980-5-20 304 Riverside On north side of Highway 74. Comment
  UCR2701  Poa secunda F. M. Reed 1920-3-24 4232 Riverside Western Colorado Desert, Murray Canyon, a tributary of Palm Canyon near Palm Springs 305 Comment
  SDSU18642  Poa secunda subsp. juncifolia C. Matt Guilliams, Jeannine Ross 2008-3-12 531 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 428 Comment
  JEPS50569  Polygonum argyrocoleon W. L. Jepson 1927-4-14 11711 Riverside Oasis station Santa Rosa Mts. Comment
  POM48565  Polygonum bistortoides Mary F. Spencer 1919-7-6 1262 Riverside Tacquitz [Tahquitz] Meadow, San Jacinto Mountains. 2378 Comment
  UCR89815  Polygonum lapathifolium Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  RSA740786  Polypogon monspeliensis Scott D. White, Justin M. Wood 2008-7-9 12412 Riverside Johnson Meadow 1415 Comment
  UC1931203  Polypogon viridis Scott D. White, Justin Wood 2008-6-19 12277 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. Comment
  CAS-BOT-BC102601  Populus fremontii Dr. Barton W. Evermann 1916-5-14 s.n. Riverside Mecca Comment
  SD229275  Populus fremontii Dick Schwenkmeyer, Tony Harper - Collector 2013-5-8 893 Riverside Agua Bonita Spring, Palm Canyon, approx. 8 Mi. S. of Catherdral City 883 Comment
  UCR116583  Populus fremontii A. C. Sanders, T. B. Salvato 2001-5-24 24372 Riverside Perris-Aguanga Basin, Temecula, Long Canyon area west of Del Rey Rd. along Avenida Buena Suerte 381 Comment
  SEINET10858335  Populus fremontii subsp. fremontii Nye Leith, Greg Gust 2005-3-11 Nye 64 Riverside Lake Elsinore. Mission Trail Rd. Ca. 1 mile S of the intersection of Mission Trail on Malaga Rd.. Comment
  LA203859  Porophyllum gracile Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9537 Riverside Cottonwood Mountains, 2 mi. from Cottonwood Springs Comment
  CAS-BOT-BC356219  Prenanthella exigua Roxana S. Ferris 1939-3-29 9716 Riverside Spur of the Eagle Mountains six to eight miles south of east portal of Eagle Mountains Tunnel on Desert Center-Rice road Comment
  RSA795933  Prenanthella exigua Duncan S. Bell 2009-4-19 263 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  GMDRC3105  Proboscidea althaeifolia J. Andre, T. La Doux 2008-9-13 10267 Riverside Chuckwalla Valley: along dirt road approx. 2 mi. N. of Desert Center, 0.5 mi. W. of Tamarisk Golf Course (at Kaiser Rd Jct) 33 deg. 44.159' N 115 deg. 24.434' W. Elev. 769 ft. 234 Comment
  UCR18679  Proboscidea althaeifolia Frank C. Vasek 1971-9-8 710908- 01 Riverside Sonoran (Colorado) Desert, Dry lake, 3 mi. north of Desert Center. Comment
  RSA0027579  Prosopis glandulosa Kristin Forgrave, April Garbat, Deidre Conocchioli 2013-8-13 33 Riverside At Corn Springs Campground. Comment
  HSC85386  Prosopis glandulosa var. torreyana Steve Boyd 1986-4-10 1646 Riverside Temescal Canyon, along DePalma Rd. between Indian Truck Trail and Horsethief Canyon, 1.2 mi. E of Indian Truck Trail. Comment
  RSA628534  Prosopis glandulosa var. torreyana A. C. Sanders, T. Tennant, J. S. Ross 1998-8-20 22223 Riverside Morongo Indian Reservation, Lion Canyon. 671 Comment
  CAS-BOT-BC216516  Prosopis pubescens E. A. McGregor 1917-3-17 721 Riverside Aqua Dulce Springs near NW Salton Sea Comment
  UCD170965  Prunus caroliniana A. C. Sanders 2002-3-20 24899 Riverside Western Colorado Desert: Coachella Valley, city of Palm Springs, around offices of Agua Caliente Band of Cahuilla Indians, 650 E Tahquitz Canyon Way at Calle El Segundo. 137 Comment
  UC472697  Prunus emarginata M. F. Spencer 1924-5-31 Riverside Upper Tahquitz Valley, San Jacinto Mountains Upper Tahquitz Valley; San Jacinto Mountains, Upper Tahquitz Valley 2438 Comment
  JOTR34484  Prunus fasciculata var. fasciculata Andre, Jim 2012-4-16 20967 Riverside Joshua Tree National Park. Queen Valley; north side of Ryan Mtn. at Sheeps Pass campground area. 1370 Comment
  SD229262  Prunus fremontii Dick Schwenkmeyer 2013-6-11 912 Riverside Approx. 1.5 miles north od highway 74 and Royal Carrizo Road intersection. 854 Comment
  SDSU9171  Prunus fremontii Marjorie Collier 1951-3-25 Riverside Palm Canyon, about 5 miles S of Palm Springs. Comment
  UC56543  Prunus fremontii H. M. Hall May, 1901 1883 Riverside about 3 mi n of Van Deventer (along the borders of Colorado Desert, eastern base of San Jacinto Mountains); San Jacinto Mountains, Colorado Desert Comment
  RSA472308  Psathyrotes ramosissima L. C. Wheeler 1931-11-26 390 Riverside Salton Bench Mark, Colorado Desert. -15 Comment
  SEINET6081899  Psathyrotes ramosissima Unknown 1932-4-26 Riverside 5 miles east of Mecca on Blythe Road. Comment
Read comments
Nov 7 2015
  UCR274765  Psathyrotes ramosissima Thomas R. Stoughton, Jackie McConnaughy, Andrew Monks 2010-12-1 723 Riverside Sonoran (Colorado) Desert, Coachella Valley Preserve, c. 0.25 mile east of road. Site #3 305 Comment
  RSA500200  Pseudognaphalium luteoalbum Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-5-7 3544 Riverside Vail Lake area, pond and freshwater marsh in Kolb Crk. just south of the lake. Comment
  POM160116  Psilocarphus brevissimus E. C. Jaeger 1927-4-26 s.n. Riverside Elsinore Comment
  UCR140312  Psilocarphus brevissimus A. C. Sanders, Guy Bruyea 2004-4-2 27421 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, just north of Rose Rd. 463 Comment
  UCR281126  Psilocarphus brevissimus Mitch Provance, John Hazlett, Matt K. Beyers 2017-4-19 417- 50 Riverside Menifee Valley, Menifee, about 0.5 miles south of Sun City, and 0.5 miles west of Romoland, SW corner of Lazy Creek Rd. and Murrieta Rd. 431 Comment
  CDA37520  Psilotum nudum A. C. Sanders, Robert Krueger, T. B. Salvato 2006-11-8 33211 Riverside Riverside: UCR Citrus Variety Collection, Agricultural Operations area west of Canyon Crest Dr. Comment
  UCR38699  Psorothamnus arborescens var. simplicifolius J. M. Stewart 1985-4-28 8515 Riverside Western Colorado Desert, Coachella Valley, along the north side of Hwy I-10, 1 mi west of Indian Ave. 244 Comment
  CAS-BOT-BC353628  Psorothamnus emoryi Roxana S. Ferris 1918-6-15 998 Riverside at Greundikes Well on Mecca-Blythe Road Comment
  RSA5156  Psorothamnus emoryi Carl B. Wolf 1932-4-26 2967 Riverside 3 mi. east of Mecca on Blythe Road. 0 Comment
  RSA765261  Psorothamnus emoryi Justin M. Wood, D. M. Ray 2010-10-21 3002 Riverside Chuckwalla Valley NE of Victory Springs and 0.9 km E of Kaiser Road on unmarked 4WD road. 198 Comment
  SEINET3407656 Image available Psorothamnus emoryi Marc A. Baker, Michelle Cloud-Hughes 2011-9-25 17461 Riverside Chuckwalla Valley, 24km WSW of Blythe, 8km SSE of the summit of McCoy Peak, low stabilized sand dunes. 135 Comment
  UCSB28384  Psorothamnus emoryi Blakley, E. 1961-9-10 Riverside 20 miles west of Blythe at desert wash crossing of U.S. Highway 60-70 106 Comment
  CAS-BOT-BC340899  Psorothamnus schottii Lester Rowntree 1930-5-5 s.n. Riverside Hidden Springs, near Mecca Comment
  GMDRC4953  Psorothamnus schottii J. Andre 2011-2-9 15899 Riverside Mecca Hills; along Box Canyon Rd at upper end of gorge, approx. 6 mi. SSE of Jct with I-10, approximately 12 mi. west of Chiraco Summit 284 Comment
  RSA799247  Psorothamnus schottii Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 731 Riverside South side of the Mecca hills, side canyon roughly 1.3 miles north of turnoff for Painted Canyon on Box Canyon Road 113 Comment
  SDSU7847  Psorothamnus schottii Thomas A. Zink 1971-4-1 Riverside Alongside Berdoo Canyon Rd. 8 miles north of Dillon Road. 549 Comment
  UCR35006  Psorothamnus schottii L. B. Ziegler 1977-4-12 564 Riverside Sonoran (Colorado) Desert, near Desert Hot Springs, on sandy alluvial slopes (bajadas) from Little San Bernardino Mountains. 381 Comment
  UCSB3050  Psorothamnus schottii Wilson, Richard 1958-5-18 Riverside 5 miles East of Pinon Flats on Highway 74 (Calif.) Comment
  JEPS41653  Psorothamnus spinosus Marjorie Clary Oct. 1930 Riverside Coral Reef Ranch , Coral Reef Ranch (Coachella) Comment
  RSA498754  Psorothamnus spinosus Aloys Nicholson 1930-4-6 s.n. Riverside 1000 Palms. Colorado Desert. Comment
  UCR177848  Psorothamnus spinosus Marisa Sripracha, K. A. Boyd 2004-2-14 034 Riverside Sonoran (Colorado) Desert, Myoma, on the Thousand Palms Preserve, near the palm oasis just off Thousand Palms Drive 190 Comment
  RSA392935  Pterostegia drymarioides J. D. Olmsted 1962-5-10 3654 Riverside Crest between Sandia Creek and DeLuz Creek drainages. 259 Comment
  RSA0094465  Pulicaria paludosa Duncan S. Bell 2015-8-12 8596 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
  CAS-BOT-BC156399  Purshia tridentata var. glandulosa Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway, Mt. San Jacinto Comment
  RSA0021859  Purshia tridentata var. glandulosa Philip A. Munz, I. M. Johnston 1922-5-20 5494 Riverside Kenworthy. 1433 Comment
  RSA0083324  Pyrola picta P. A. Munz, I. M. Johnston 1924-7-27 8791 Riverside Dark Canyon, San Jacinto Mountains. 2439 Comment
  UCD170873  Quercus Jeremiah George 2012-8-13 s.n. Riverside San Gorgonio Pass/Moreno Badlands, west of Beaumont, just east of junction of 60 Fwy and Jackrabbit Trail, off frontage road dead end. 716 Comment
  UCR155335  Quercus agrifolia A. C. Sanders, Mike Misenhelter 2005-3-23 29267 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR138601  Quercus agrifolia var. agrifolia D. L. Banks 1996-11-7 1209 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, 0.5 km west of the spring on the N fork of Pechanga Creek, at the E end of the Reservation 427 Comment
  UCR158803  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31556 Riverside San Jacinto Mtns., Valley Hi County Park (closed) off Hwy 243 and Twin Pines Rd. at McMullen Flat 1189 Comment
  JOTR35508  Quercus cornelius-mulleri La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3195 Riverside Joshua Tree National Park. Little San Bernardino Mtns, lower Smithwater Canyon (Biodiversity Hunt stop4) 1219 Comment
  RSA180340  Quercus engelmannii E. W. Lathrop 1965-3-29 5607 Riverside 12 miles west of Murrieta-Tenaja Range Comment
  UC667286  Quercus john-tuckeri Annie M. Alexander and Louise Kellogg 1941-5-21 2210 Riverside n slope Eagle Mountains; Colorado Desert 1280 Comment
  SDSU6976  Quercus kelloggii Sammuel R. Frank 1962-5-23 Riverside San Jacinto Mountains. Comment
  UC1135774  Quercus palmeri A. E. Wieslander 1938-5-5 735 Riverside Van Deventer Flat Thermal Quad. 1493 Comment
  CAS-BOT-BC104997  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
  SD260965  Quercus wislizeni Mitch Provance 2010-7-6 610 01 Riverside Bridges Creek, eastern end of San Timoteo Canyon, at northwest edge of City of Beaumont, west side of the I-10, about 0.3 miles south-southeast of Oak Valley Parkway. 751 Comment
  UC848379  Quercus wislizeni Louis Wheeler 1931-10-3 Riverside Strawberry Valley San Jacinto Valley Comment
  UCR262391  Quercus wislizeni var. frutescens Tom Scott 2011-1 2011- 566 Riverside San Bernardino Mtns., south side of mountains in Banning Canyon on USFS road 2S01, c. 5 miles up canyon from locked gate, USFS San Bernardino Nat. Forest 1275 Comment
  CAS-BOT-BC362516  Rafinesquia californica E. W. Lathrop 1966-5-15 6316 Riverside 3 miles SE of Murrieta on the De Luz road Comment
  JOTR31984  Rafinesquia californica La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2219 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; bouldery canyon with sandy wash bottom 731 Comment
  RSA519235  Rafinesquia californica Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. All of sec. 33, W/2 sec. 34, NW/4 sec. 3 [T6S] and a small portion of eastern sec 35. 488 Comment
  JEPS37574  Rafinesquia neomexicana W. L. Jepson 1927-4-14 11705 Riverside se end Santa Rosa Mts.; , Silent Canyon 304 Comment
  OBI8324  Rafinesquia neomexicana David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-28 12065 Riverside Joshua Tree Natl Monument along Pinto Basin Rd. 2 mi N of Cottonwood campgrounds Comment
  UC217944  Rafinesquia neomexicana P. A. Munz, D. Keck Apr 9 1922-Apr 12 1922 4884 Riverside vicinity Corn Springs (Colorado Desert, Chuckwalla Mountains, Southern California); Colorado Desert, Chuckwalla Mountains 609 Comment
  VVC2469  Rafinesquia neomexicana Tim Thomas 2013-3-18 5945 Riverside Sonoran Desert, 10 miles WSW of Blythe NE of Mule Mtns. 116 Comment
  CAS-BOT-BC378492  Ranunculus californicus var. californicus Cecil Hart 1922-5-21 3 Riverside San Jacinto Pk. Comment
  UCR199761  Ranunculus sceleratus Scott D. White, Angelia Carey and Linda Archer 2004-8-5 10691 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
  UC18547  Rhamnus ilicifolia H. M. Hall 1901-6 2017 Riverside canyon of the San Jacinto River San Jacinto Mountains Comment
  UC218097  Rhododendron occidentale P. A. Munz 1922-7-6 6029 Riverside San Jacinto Mountains, North Fork Tahquitz Creek North Fork Tahquitz Creek; San Jacinto Mountains, North Fork Tahquitz Creek 2225 Comment
  UCD116881  Rhus aromatica Ted C. MacRae 1995-5-26 43 b Riverside Santa Rosa Mts., Pinyon Flats Cpgd., 15.5 mi S Palm Desert. 1219 Comment
  RSA561082  Rhus integrifolia Steve Boyd, Orlando Mistretta 1992-4-22 7000 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
  CLARK-A1528-118  Rhus ovata I. Rauch 1968-5-14 Riverside Santa Ana Mountains Comment
  UC1393134  Rhus ovata John L. Strother 1970-7-7 1002 Riverside 4 mi s Sage Comment
  UCR22015  Rhus ovata Steve Boyd 1980-9-16 354 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 625 Comment
  RSA234086  Rhus trilobata var. anisophylla R. F. Thorne, E. Lathrop 1969-6-6 39324 Riverside Santa Rosa Plateau: Rancho California 610 Comment
  POM229047  Ribes cereum P. A. Munz 1937-5-30 15142 Riverside Rocky Crest, Santa Rosa Peak 2439 Comment
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Dec 18 2011
  CAS-BOT-BC173142  Ribes indecorum Steve Boyd 1993-3-14 7725 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Northeastern corner of the wilderness, south of Elsinore Peak, in broad saddle on high ridge forming east side of Wildhorse Canyon 975 Comment
  UCR187493  Ribes indecorum Theresa Johnson 2006-5-15 108 Riverside Peninsular Range, hills just SE of Mica Butte, 5 miles SE of Hemet 579 Comment
  UCR87940  Ribes indecorum A. C. Sanders 1994-1-30 14229 Riverside Box Springs Mtns., head of Two Trees Canyon 686 Comment
  RSA0021662  Ribes malvaceum Justin M. Wood 2009-3-10 346 Riverside Hwy 243, near base of the mountains, 0.5 miles up the highway from Smith Creek bridge. 695 Comment
  SJSU7833  Ribes malvaceum G. B. Youngberg 1956-3-31 241 Riverside Banning-Idyllwild Rd, Sna Jacinto Mts 1158 Comment
  UCR160774  Ribes malvaceum A. C. Sanders, O. F. Clarke & H. Forster 1997-3-2 19772 Riverside Box Springs Mountains, E side of the range in Pigeon Pass area, above W end of Quail Call Drive, in canyon just west of section line. 610 Comment
  POM20019  Ribes nevadense Mary F. Spencer 1923-6-12 2174 Riverside Idyllwild, San Jacinto Mountains. 1646 Comment
  UCR270751  Ribes speciosum T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8380 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
  RSA648215  Ricinus communis Stephen Hill 1981-2-16 13 Riverside Cajalco Rd. 1 mile E. of hwy 15. Comment
  RSA761751  Rubus parviflorus Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 645 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UC488975  Rubus parviflorus C. V. Meyer June 1927 172 Riverside San Jacinto Mts. Comment
  POM366435  Rubus ursinus E. Crow 1929-4-21 343 Riverside North of Alberhill. Comment
  UCR8275  Rumex acetosella B. Freeman 1969-6-28 690629- 4 Riverside San Jacinto Mtns., University of California James Reserve Trailfinders' Camp, near Lake Fulmor, on the Banning to Idyllwild. East of stream nearest gate, along road 1646 Comment
  RSA0088438  Rumex dentatus Mitch Provance 2011-7-4 17179 Riverside San Bernardino Valley: Northwestern base of the Jurupa Mountains, adjacent to S side of Fontana (technically in an unincorporated part of Riverside Co.), retention basin on S side of Philadelphia St., just E of Country Village Rd. 262 Comment
  UCR138814  Rumex hymenosepalus D. L. Banks 1997-2-17 1278 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
  UCR116591  Rumex obtusifolius A. C. Sanders, T. B. Salvato 2001-5-24 24368 Riverside Perris-Aguanga Basin, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. [Calle] Pina Colada 345 Comment
  UCR132909  Rumex salicifolius John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  UCR26533  Rumex salicifolius var. salicifolius A. C. Sanders, S. Hagopian 1981-5-20 568 Riverside Perris-Aguanga Basin, S side of Pauba Valley, within l mi of Hwy 71 bridge over the Temecula River 367 Comment
  CAS-BOT-BC129748  Salix bonplandiana Nancy Ryan Zabriskie; Walter Zabriskie 1971-2-13 335 Riverside Andreas Canyon, E slope San Jacinto Mts. 304 Comment
  CAS-BOT-BC103892  Salix exigua Steve Boyd; Aydee Virgen 2004-4-13 10860 Riverside Peninsular Ranges; Santa Ana Mountains region: San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  RSA613312  Salix exigua D. L. Banks 1997-3-1 1377 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and along Pechanga Creek. 329 Comment
  SBBG58907  Salix gooddingii C. B. Wolf 1932-4-28 3085 Riverside near State Inspection Station, on way to Blythe Bridge; overflow land of Colorado River, about 800 m from State Inspection Station 90 Comment
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Mar 26 2011
  UC482402  Salix gooddingii Ben L. Clary 1932-4-21 810 Riverside Colorado Desert, Coachella Valley -21 Comment
  UC846811  Salix gooddingii Ivan Johnston 1917-4-4 Riverside Palm Canyon; Colorado Desert, Palm Canyon 457 Comment
  UCD110969  Salix gooddingii A. C. Sanders 1997-3-19 20037 Riverside Lake Skinner area: Lake Skinner, NW shore near inlet, SW foot of Bachelor Mtn. Comment
  PASA2679  Salix hindsiana var. leucodendroides Mrs. H. P. Bracelin 1932-4-12 602 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside, Riverside County 240 Comment
  SDSU13821  Salix laevigata W. Miller, C. Mosse 1972-8-9 Riverside Comment
  UCR93828  Salix laevigata G. R. Ballmer, K. T. Stockwell 1995-6-8 s.n. Riverside Peninsular Range, Warm Springs Creek, Budweiser Ranch, 0.25-1 mi upstream of Los Alamos Road crossing 457 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
  POM319279  Salix lasiolepis Patricia Wilder 1972-2-18 5356 Riverside North side of Norco, along the Santa Ana River at the end of Pedley St. 229 Comment
  UCR140651  Salix lasiolepis Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 11- 80 Riverside San Jacinto Mtns, San Bernardino National Forest, 5 miles north of Idyllwild on Hwy 243, Site L11 1775 Comment
  UCR169309  Salix lasiolepis T. B. Salvato, John F. Green 2004-5-27 594 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  UCR57115  Salix lucida subsp. lasiandra S. J. Myers 1989-7-14 s.n. Riverside Peninsular Range, 1.25 mi. west of confluence of Murrieta Creek and Santa Margarita River, c. 1.5 mi. SW of Temecula 255 Comment
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Aug 23 2013
  RSA289821  Salsola paulsenii B. A. Prigge 1980-9-16 4304 Riverside Coachella Valley Stormwater Channel; east of Point Happy at Washington St. x channel 21 Comment
  SD234486  Saltugilia australis A. C. Sanders, P. J. MacKay, Tim Thomas 2003-5-18 26759 Riverside San Bernardino Mtns.: Cleghorn Road, 0.5 mi. NE of Cajon. 1006 Comment
  UCR274304  Saltugilia australis T. B. Salvato, Melissa Clemons 2005-6-6 1424 Riverside Peninsular Range, Gavilan Hills, c. 0.75 mile south-southeast of Steele Peak, 0.6 mile E of Hammack Ranch, and 5 miles north-northeast of Lake Elsinore 579 Comment
  RSA0095109  Saltugilia australis F. W. Peirson 1919-4-13 926 Riverside Tahquitz Camp, Palm Springs. Comment
  CHSC781  Salvia apiana E. Thomas 1940-5-26 Riverside Pleasant Valley, Joshua National Monument. Comment
  RSA613860  Salvia apiana Scott D. White, Julie Greene 1997-3-12 4779 Riverside Sun City: near I-215 Freeway, S of Perris and N of Menifee. Low hills E of Bavaria Dr. 488 Comment
  RSA775448  Salvia apiana Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4451 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. 488 Comment
  UC218132  Salvia apiana P. A. Munz 1922-7-3 5957 Riverside s slope Santa Rosa Mts. 1615 Comment
  UCLA69849  Salvia apiana P. A. Munz 1938-8-14 15371 Riverside ridge e Toro Peak; Santa Rosa Mts. 2286 Comment
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Apr 29 2008
  UCR133363  Salvia apiana Tracy Tennant, J. S. Ross 1998-4-30 MOR- 75 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, unnamed canyon running W to E between the southern portions of Hathaway and Potrero Canyons, c. 1.5 miles ENE of Banning Peak (VABM 3440) 854 Comment
  RSA697876  Salvia carduacea Unspecified s.n. Riverside Elsinore. Comment
  SBBG101700  Salvia carduacea S. Boyd, T. Ross, M. Hammitt 1991-5-2 6112 Riverside Vail Lake region, SW & W flanks of Billy Goat Mtn 3 mi N Hwy 79, 1 mi W of Hwy 371 600 Comment
  HSC101579  Salvia columbariae Steve Boyd, Susan Jett 2008-3-20 11828 Riverside Peninsular Ranges; Santa Ana Mountains region: eastern flank of the range along El Cariso Trunk Trail, ca. 0.5 mi. north of Highway 74 732 Comment
  UCSB39326  Salvia columbariae Jorgensen, Jan 1982-3-21 Riverside South entrance to Joshua Tree National Monument 600 Comment
  CAS-BOT-BC221088  Salvia eremostachya Peter H. Raven 1958-5-18 13000 Riverside Along State Highway 74, 4.9 miles north-east of Pinon Flats [Pinyon Flat], San Jacinto Mountains Comment
  UCLA69690  Salvia eremostachya Elizabeth McClintock 1941-5-30 Riverside near Tule Creek; Coyote Canyon Comment
  UCSB42124  Salvia greatae Roos, John 1958-3-29 Riverside slope in Salt Creek Wash; 3 miles N. of Coachella Canal; on E. base of Orocopia Mtns 304 Comment
  RSA182349  Salvia mellifera J. Olmstead 1962-5-2 3447 Riverside Sandy flat by saddle just N of highest part of Box Springs Mountains, by road from Pigeon Pass. 777 Comment
  RSA701496  Salvia mellifera M. Wall 1996-1-8 127 Riverside Foothill S of Beaumont off Hwy 79 (Lamb Cyn.), 1.1 mi S of 10 Fwy, just past California Ave., W side of hwy. 610 Comment
  UCR154409  Salvia mellifera A. C. Sanders, Mike Misenhelter 2005-6-15 30942 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  RSA727072  Salvia pachyphylla Jay Walker, R. C. Walker 3093 Riverside Santa Rosa Mtn., 7.3 miles up Santa Rosa Mtn. truck trail from jct with hwy 74. Comment
  POM307780  Sanicula arguta Henry J. Ramsey, Henry J. Ramsey 1938-3-26 255 -I Riverside Corona-Elsinore Road. Comment
  RSA691959  Sanicula arguta Scott D. White, Michael Honer 2003-4-9 8978 Riverside About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak 2349. 549 Comment
  UCR226086  Sanicula bipinnatifida A. C. Sanders, T. B. Salvato 2011-4-1 38957 Riverside Peninsular Range, Lake Elsinore, off Baker St. NW of intersection with Bromley Ave., north of second house from intersection, 0.55 km NW of Hwy 74 404 Comment
  RSA613136  Sanicula crassicaulis D. L. Banks 1997-3-6 1406 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. ''Fiesta Grounds'', east of Pechanga Creek along the northern fork of Pechanga Creek at the eastern end of the Reservation. 424 Comment
  RSA97373  Sanicula tuberosa F. W. Peirson 1922-4-29 4053 Riverside Leach Canyon, near Lake Elsinore, Santa Ana Mts. 610 Comment
  UCR214314  Sarcostemma cynanchoides A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38390 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
  UC1329898  Sarcostemma hirtellum James E. Cole 1941-4-13 585 Riverside 0.5 mi. n. Meek's Cabin (Pinto Pass); Joshua Tree Nat'l Monument, Pinto Pass Comment
  UCR924  Satureja chandleri Oelrich 1959-4-17 s.n. Riverside 0.6 mi. north of sign #B4.86 on Hwy 79, between Hemet and Sage [Bad locality?] Comment
  RSA778559  Schismus David J. Keil 1983-4-15 16908 Riverside East of Temecula on SR79 Comment
  UCR214418  Schismus arabicus A. C. Sanders 2010-3-15 37419 Riverside Sonoran (Colorado) Desert, western edge of Blythe near the airport, Black Rock Rd. near the Mesa Dr. and I-10 intersection 120 Comment
  RSA757739  Schismus barbatus LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4308 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
  UCR162279  Schismus barbatus S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1220 Comment
  UCR19303  Schismus barbatus John C. Roos 1952-3-19 5400 Riverside Peninsular Range, Box Springs Mountains [east edge of Riverside] 457 Comment
  SEINET3106952  Schoenoplectus americanus Faulkner 1978-4-27 493 Riverside 3 miles east of Blythe, shores and floodplains of the Colorado River. 137 Comment
  UCR130131  Schoenoplectus americanus I. M. Johnston 1917-4-4 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Palm Canyon 427 Comment
  SEINET3913622  Scirpus americanus Faulkner 1978-4-27 502 Riverside 3 miles East of Blythe, shores and flood plains of Colorado River.; 0 137 Comment
  RSA335035  Scirpus microcarpus Steve Boyd 1985-8-7 1103 Riverside Santa Rosa Plateau region, NW base of Redonda Mesa on Tenaja Rd., 0.8 miles east of junction with 8S01 and 8S02. Comment
  SD122839  Scirpus microcarpus Steve Boyd 1985-8-7 1103 Riverside Santa Rosa Plateau region, northwest base of Redonda Mesa, on Tenaja Road, 0.8 mile east of junction with 8S01 and 8S 02. In moist swale-drainage along road. Comment
  UCR127102  Scrophularia californica Mitch Provance 1998-6-1 575 Riverside Jurupa Mountains, SW Pyrite Canyon, c. 0.4 miles SSE of peak 1768 442 Comment
  UCR161440  Scrophularia californica A. C. Sanders, Mike Misenhelter 2005-9-20 31687 Riverside San Jacinto Mtns. Foothills, Santa Rosa Hills south of Hemet, road NW of Gibbel Flat, south end of Cornell St., 0.5 mi. SE of the Ramona Bowl 610 Comment
  POM11518  Scrophularia californica subsp. floribunda Philip A. Munz 1922-7-1 5933 Riverside Santa Rosa Mountains, Old Nicholas Canyon. 1463 Comment
  UCR35329  Scutellaria bolanderi subsp. austromontana L. B. Ziegler 1967-8-1 207 Riverside Peninsular Range; San Jacinto Mtns., Upper Herkey Creek area 1524 Comment
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Mar 18 2007
  RSA33643  Scutellaria siphocampyloides N. C. Cooper 1944-7-16 1540 Riverside San Jacinto Mtns., Pine Cove. 1524 Comment
  SD90502  Scutellaria siphocampyloides Robert F. Thorne, J. P. Simon and C. W. Tilforth 1969-6-24 38090 Riverside Above James Reserve in Hall Canyon, San Jacinto Mountains. 1676 Comment
  UC884052  Scutellaria siphocampyloides P. A. Munz 1922-6-23 5764 Riverside Keen Camp; San Jacinto Mountains, Keen Camp 1524 Comment
  UCR202587  Scutellaria siphocampyloides Scott D. White, Justin M. Wood 2008-7-8 12378 Riverside San Jacinto Mountains, Hurkey Creek Watershed - Bonita Vista Road, c. 1/2 mi east and west of Hurkey Creek crossing 1537 Comment
  UCR35332  Scutellaria siphocampyloides L. B. Ziegler 1967-7-26 196 Riverside San Jacinto Mtns, Thomas Mountain 2058 Comment
  UCR115427  Scutellaria tuberosa Scott D. White, D. E. Bramlet 1999-4-22 7241 Riverside Lake Skinner area, Ridgetop, north, west, and northwest facing slopes of Bachelor Mtn. 762 Comment
  UCR231048  Searsia lancea A. C. Sanders, T. B. Salvato 2012-1-3 39958 Riverside Peninsular Range, Riverside, south side of UCR campus near old C.E.S. Director's garden, south of South Campus Dr. near College Bldg. North 358 Comment
  UCR97438  Searsia lancea A. C. Sanders, Pam MacKay, Tim Thomas, G. K. Helmkamp 1997-2-8 19686 Riverside Colorado Desert/San Jacinto Mtns:, Palm Springs area, Murray Canyon off Palm Canyon 244 Comment
  SD138963  Selaginella bigelovii Craig Reiser 1993-3-19 Riverside Near Highway 62 west of Morongo Valley Comment
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Feb 29 2008
  SDSU7434  Selaginella bigelovii James C. Dice, T. Chung 1987-10-19 Riverside North side of Temecula Gorge, ca. 0.4 km ENE of Field Station site (just SE of Weather Station), overlooking Santa Margarita River. T8S, R3W, NW 1/4 of NW 1/4 of section 26. 99 Comment
  UCR270354  Selaginella bigelovii Dick Newell, Judy Booth 2016-1-17 417 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, South Main Divide Road, 0.4 mile south of Elsinore Peak 978 Comment
  CAS-BOT-BC62083  Selaginella eremophila S. B. Parish 1907-4-18 6111 Riverside Western edge of the Colorado Desert 200 Comment
  RSA613236  Selaginella watsonii Louis Cutter Wheeler 1931-10-3 241 Riverside 3/4 mi. NNE Tahquitz Peak, San Jacinto Mts. 2560 Comment
  HSC6139  Senecio californicus C. L. Hitchcock 1966-3-16 24187 Riverside About 5 mi. NE of Aguanga Comment
  RSA613403  Senecio californicus D. L. Banks 1997-4-5 1688 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just west of the Pechanga Indian Reservation boundry, at the headwaters of a tributary of the north fork of Pechanga Creek. 768 Comment
  SEINET7073432  Senecio californicus A. G. Vestal 1963-4-25 s.n. Riverside About 6.8 miles south of Sage on Route 3. Coordinate datum: NAD27. Comment
  UC54146  Senecio californicus H. M. Hall 1902-4-4 2961 Riverside vicinity Riverside 304 Comment
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Jun 21 2011
  CLARK-A1528-290  Senecio douglasii subsp. douglasii C. M. Flanagan 1973-6-13 OO 705 Riverside Morongo Indian Reservation 975 Comment
  RSA716256  Senecio flaccidus Scott D. White, Angelia Carey 2004-4-5 10008 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  CAS-BOT-BC323964  Senecio flaccidus var. douglasii F. Grinnell Jr. 1908-7-25 s.n. Riverside San Jacinto R. 762 Comment
  JEPS30416  Senecio flaccidus var. douglasii Donald Kyhos 1958-5-23 58 -189 Riverside Banning, bank of San Gorgonio River San Gorgonio River Comment
  RSA0125005  Senecio flaccidus var. douglasii N. Cooper 1949-6-3 4149 Riverside Temecula. 762 Comment
  CLARK-A1528-2086  Senecio mohavensis John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  RSA94665  Senecio mohavensis F. W. Peirson 1927-4-12 7156 Riverside In Painted Canyon near Mecca. Comment
  SBBG94679  Senecio vulgaris S. D. White 1990-9-25 Riverside Santa Rosa Plateau, 5 air mi SW of Temecula on Via Yerba Rd, E of Vaquero Rd 374 Comment
  SD258926  Senegalia greggii Sarah J. De Groot, Rachel Darney-Lane 2016-6-14 7905 Riverside Whitewater Canyon; along the Pacific Crest Trail, ca. 0.7 air mile south of Red Dome, ca. 1.1 trail miles northnorthwest of Whitewater Preserve, west of Whitewater River. 737 Comment
  RSA701161  Senna armata Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah DeGroot, Valentin Arvizu, Tim Thibault 2004-5-14 11267 Riverside 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's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  UCR255985  Sequoiadendron giganteum Rudolf Schmid, Mena Schmid 2009-5-1 2009- 06 Riverside NW San Jacinto Mountains, northeast of Hwy 243 c. 16 hwy km northwest of Idyllwild, in the south unit of the San Bernardino National Forest, on southwest flank of Black Mountain 2145 Comment
  RSA402668  Sesuvium verrucosum A. Menke 1955-4-27 s.n. Riverside 2 miles east of Blythe. Along irrigated ditch. Comment
  RSA737121  Sesuvium verrucosum Justin M. Wood 2008-10-15 187 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR275529  Sesuvium verrucosum A. C. Sanders, Karen Kirtland 2016-9-23 42631 Riverside San Jacinto Valley, edge of Mystic Lake at duck hunting ponds below abandoned dairy south of Gilman Springs Rd. between Jack Rabbit Tr. and Eden Hot Springs Rd. 434 Comment
  UCR5958  Sesuvium verrucosum Barry A. Vittor 1966-3-25 s.n. Riverside Sonoran Desert; Western Colorado Desert, Coachella Valley, Palm Island Estates, Hwy 111, 2 mi. NW of Salton Sea State Park -30 Comment
  UCR82223  Sesuvium verrucosum J. M. Stewart 1994-5-2 852 Riverside Western Colorado Desert, Coachella Valley, Thermal, Filmore Street & Avenue 66 Comment
  CAS-BOT-BC240117  Setaria adhaerens Malcom A. Nobs; S. Galen Smith 1948-9-3 492 Riverside Imperial Valley. 2 miles north of Indio Comment
  UCR126421  Setaria adhaerens T. B. Salvato, A. C. Sanders 2000-4-27 63 Riverside Coachella Valley, between Filmore & Buchanan on Avenue 56 -12 Comment
  CAS-BOT-BC243551  Setaria parviflora Samuel B. Parish 1897-5-29 4518 Riverside Wayside Waif, South Riverside Comment
  UCR174566  Sherardia arvensis Jennifer H. Jones 2006-5-1 291 Riverside Foot of Box Springs Mtns. east of University of California Riverside Campus; University Village Apartments SW corner of Big Springs Rd. and Watkins Dr. 335 Comment
  UCR100568  Sibaropsis hammittii Steve Boyd, T. S. Ross 1992-4-1 6775 Riverside Santa Ana Mountains, Elsinore Peak area, south of Lake Elsinore. S base of peak (3448') to SE of Elsinore Peak. 1000 Comment
  CLARK-A1528-618  Sida leprosa var. hederacea Ruth Cooper 1941-6-8 70 K Riverside Perris Comment
  UCR1228  Sidalcea malviflora Martha McCarthy 1960-4-24 s.n. Riverside Santa Ana Mtns, [Santa Rosa Plateau, north of Mesa de Colorado] W side of Tenaja Rd., 4.7 mi west of Washington Ave. in Murrieta 585 Comment
  UCR174554  Sidalcea malviflora Jennifer H. Jones 2006-6-6 406 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; lower ele. part of San Juan Loop Trail, N of Upper San Juan Campground 518 Comment
  RSA433921  Sidalcea malviflora subsp. sparsifolia W. P. Burger 1979-4-27 57 Riverside Off Caranchos Rd., just W of where creek crosses road. Hidden Valley. 366 Comment
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Jan 11 2016
  RSA450135  Sidalcea neomexicana J. C. Roos 1966-5-19 s.n. Riverside 3 miles west of San Jacinto, San Jacinto Valley Comment
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Feb 16 2009
  CAS-BOT-BC109425  Sidotheca emarginata Philip A. Munz 1937-5-30 15081 Riverside Northwest slope of Santa Rosa Mountains. 2133 Comment
  RSA0014944  Sidotheca trilobata LeRoy Gross, Evan Meyer 2013-5-21 6115 Riverside West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley., Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near [coordinates given.] 1631 Comment
  CLARK-A1528-2631  Silene antirrhina John C. Roos 1940-4-20 909 Riverside Reche Canyon Comment
  RSA586135  Silene antirrhina D. L. Banks 1995-4-11 0178 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. 829 Comment