Search Results — 2000 specimen records retrieved (1886 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
  CAS-BOT-BC229323  Abronia villosa Dr. Barton W. Evermann 1916-5-13 s.n. Riverside Cottonwood Springs Comment
  CLARK-A1528-3257  Abronia villosa John C. Roos 1949-3-26 4124 Riverside Indio Comment
  SFV1119  Abronia villosa P. G. Kilburn 1959-5-16 797 Riverside Colorado Desert Agua Caliente Indian Reservation land some 5 miles south of Palm Springs at fork in road where Andreas Road meets Palm Canyon Road. 175 Comment
  UCD109830  Abronia villosa Lewis S. Rose 1967-12-20 67184 Riverside 6 mi. se. of Thousand Palms. 9 Comment
  RSA461194  Abronia villosa var. aurita Gale Sphon 1955-5-15 s.n. Riverside 5 miles north of Cathedral City. Comment
  UC851650  Abronia villosa var. aurita I. W. Clokey, E. G. Anderson 1935-8-21 6604 Riverside Hemet Lake, By road Hemet Lake 1300 Comment
  UCR127362  Abronia villosa var. aurita 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
  RSA461027  Abronia villosa var. villosa A. Menke 1955-4-25 s.n. Riverside Palm Springs Comment
  RSA748603  Abronia villosa var. villosa Scott D. White, Justin M. Wood 2009-4-28 12595 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  UCR26354  Abutilon theophrasti A. C. Sanders 1981-10-31 2395 Riverside McKinley St. between Riverside & Corona, 0.3 mi north of Hwy 91 & c. 100 yards west of McKinley 305 Comment
  UCR35039  Acacia greggii L. B. Ziegler 1967-8-23 211 Riverside San Jacinto Mtns, Pinyon Flats; dry washes on the flats 1250 Comment
  RSA0055055  Acacia greggii Nancy Anderson 1955-5-22 s.n. Riverside Palm Springs 138 Comment
  RSA87019  Acacia greggii var. arizonica F. W. Peirson 1921-4-11 4066 Riverside Murray Canyon. Palm Springs region. Comment
  RSA575824  Achnatherum coronatum Steve Boyd 1981-4-29 s.n. Riverside Gavilan Hills region, western flank of Estelle Mountain above entrenched meander of Temescal Creek, northwest of Lee Lake. 366 Comment
  UCD50319  Achnatherum coronatum Frank W. Gould 1943-4-17 2128 Riverside 12 miles S of Corona on road to Elsinore. Comment
  UC912658  Achnatherum hymenoides Margaret Stason 1927-2-12 Riverside 1000 Palm Canyon Colorado Desert Comment
  RSA0121216  Achyronychia cooperi Duncan S. Bell, LeRoy Gross 2016-3-8 8835 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of the range; approximately 1.5 air miles north of the Bradshaw Trail. 417 Comment
  UCR100863  Achyronychia cooperi George K. Helmkamp, E. A. Helmkamp 1998-2-18 2690 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  UCSB1844  Achyronychia cooperi Beeks, Richard 1952-4-5 Riverside 12 miles E of Shaver Summit Comment
  UCD103964  Acmispon argophyllus Collector unknown Date unknown s.n. Riverside location unknown. Comment
  CAS-BOT-BC204878  Acmispon argyraeus var. argyraeus Philip A. Munz 1937-5-29 15155 Riverside Deep Canyon, Santa Rosa Mts. 1066 Comment
  UCSB7081  Acmispon glaber Lloyd, Robert 1960-3-23 Riverside 2 miles up Snow Canyon Rd. from State Highway 111; San Jacinto Mt. Range; Colorado Desert drainage 609 Comment
  SDSU14188  Acmispon glaber var. brevialatus Michelle Perl 2002-4-20 7 Riverside Santa Margarita Ecological Reserve 1/8 mile northeast from Northside Field Station on Via Tornado Road. 339 Comment
  SBBG120129  Acmispon micranthus A. C. Sanders, K. Volansky 2005-3-17 29205 Riverside French Valley, SE of Winchester Rd (Hwy 79) between Thompson Rd and Benton Rd, ca. 0.5 mi NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  SBBG51126  Acmispon micranthus N. R. Zabriskie, W. Zabriskie 1973-4-3 609 a Riverside top of Poorwill Cyn, Andreas Cyn area 426 Comment
  SD37809  Acmispon rigidus Edith A. Purer 1935-4-21 6473 Riverside Valley floor, near Palm Springs. Comment
  SD248413  Acmispon strigosus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41422 Riverside San Gorgonio Pass: San Gorgonio River wash, ca. 3.7 miles east of Cabazon, ca. 1.25 mile NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms. 427 Comment
  SDSU13979  Acmispon strigosus Michael G. Simpson, Adrienne Russell 2000-4-29 2077 Riverside Rocky ridge, ca. 100-150 feet SSW of Northside field station, Santa Margarita Ecological Reserve (SDSU). 366 Comment
  UCD104404  Acmispon strigosus C. L. Hitchcock; C. V. Muhlick 1962-3-16 22140 Riverside Temescal Canyon, ca. 8 mi. s.e. of Corona. Comment
  SD137918  Acourtia microcephala Darin L. Banks, Victor Steinmann 1995-7-10 747 Riverside Northwest Palomar Mountains; Agua Tibia Mountains, Cleveland National Forest, Agua Tibia Wilderness Area, along the Wildhorse Trail. 600 Comment
  JOTR32124  Adenophyllum porophylloides La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade` 2011-4-26 2281 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; sandy flats at base of mountains and northern edge of valley (Stop 4) 996 Comment
  UCR174151  Adenostoma fasciculatum A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32526 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 640 Comment
  UCSB26901  Adenostoma fasciculatum var. fasciculatum Wilken, Dieter 1969-6-30 Riverside Road to Santa Rosa Mountain, 4.0 miles east of California State Highway 74, Santa Rosa Mtns. Comment
  CAS-BOT-BC139863  Adenostoma sparsifolium Carl Epling 1931-10-4 s.n. Riverside On road between Hemet and Strawberry Valley, San Jacinto Mts. Comment
  CLARK-A1528-4007  Adenostoma sparsifolium John C. Roos 1937-8-17 2405 Riverside San Jacinto Mountains 1066 Comment
  UCD112519  Adenostoma sparsifolium Richard Bates 1949-5-21 s.n. Riverside Pinon Flats, San Jacinto Mountains. Comment
  CAS-BOT-BC69647  Adiantum capillus-veneris Elmer I. Applegate 1892-4-23 829 Riverside E. Riverside. Comment
  UCR268274  Agrostis Jim Andre 2012-6-15 30520 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243, 8.6 miles south of Hwy I-10 at Banning, just northeast of Hungry Hollow and Poppet Flat 1309 Comment
  RSA296133  Agrostis exarata B. A. Prigge 1980-8-5 3846 Riverside Whitewater Canyon; 0.5 mile N of trout farm. 701 Comment
  UC36895  Agrostis pallens H. M. Hall 1901-1 2375 Riverside wooded slopes and benches of the s side San Jacinto Mountains 1676 Comment
  UC573796  Agrostis viridis H. S. Yates 1937-6-27 6705 Riverside near Relief Hot Springs; San Jacinto Quadrangle Comment
  UCR201412  Agrostis viridis Justin M. Wood 2008-9-30 175 Riverside SW Perris Basin, Temecula/Murrieta Creek, downstream of 1st Street bridge 305 Comment
  OBI39187  Alhagi pseudalhagi Dell O. Clark 1969-7-2 s.n. Riverside 2 mi W of Mecca, Coachella Valley Comment
  RSA172212  Aliciella latifolia R. F. Thorne 1963-3-29 32392 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
  SBBG1743  Allenrolfea occidentalis H. and M. Dearing 1940-11-10 5019 Riverside Thousand Palms Cyn Comment
  JEPS61263  Allionia incarnata L. M. Newlon 1922-4-4 446 Riverside San Jacinto Mountains, Andreas Canyon Andreas Canyon; San Jacinto Mountains, Andreas Canyon Comment
  UCD77309  Allionia incarnata Robert E. Preston 1997-11-11 1062 Riverside east edge of Palo Verde Mesa 99 Comment
  SD120078  Allionia incarnata var. villosa Louis B. Ziegler 1966-9-13 83 Riverside San Jacinto Mountains, Canyon of Carrizo Creek above Highway #74 crossing. 701 Comment
Read comments
Jul 10 2010
  RSA367073  Allium burlewii E. C. Jaeger 1922-7-7 s.n. Riverside Slopes of Tahquitz Valley, San Jacinto Mountains. Alt. 7700 ft. 2348 Comment
  JEPS47607  Allium cratericola Frank W. Peirson 1922-5-21 3069 Riverside small side canyon, on e side of Hemet Valley San Jacinto Mts., Hemet Valley 1371 Comment
  CAS-BOT-BC132019  Allium parishii Joy Keck 1935-4-19 3849 Riverside White Tank, S. of Twenty-nine Palms Comment
  RSA543160  Allium peninsulare Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6090 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain 3 miles N Highway 79, 1 mile W of Highway 371, N of Aguanga. 600 Comment
  RSA775232  Allophyllum gilioides Duncan S. Bell, J. D. England 2010-5-27 1134 Riverside San Bernardino National Forest: Garner Valley, approximately 1 air mile southeast of junction of forest service road 6S04 and forest service road 6S13. 1354 Comment
  RSA411101  Allophyllum glutinosum N. C. Cooper 1944-6-17 1407 Riverside San Jacinto Mountain. West side. 1372 Comment
  RSA543894  Allophyllum glutinosum Steve Boyd 1991-5-20 6275 Riverside Santa Ana Mountains, NW of Lake Elsinore. Lower Rice Cyn, just inside Cleveland Nat. For. boundary. 573 Comment
  UCR146440  Alopecurus aequalis R. F. Thorne, Et al. 1969-6-24 38145 Riverside San Jacinto Mtns, San Bernardino National Forest. Lake Fulmor 1677 Comment
  RSA544288  Amaranthus albus Steve Boyd, Timothy S. Ross 1991-6-14 6359 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Spings. Comment
  UCD97074  Amaranthus arenicola T. B. Salvato; A. C. Sanders 2000-4-27 60 Riverside Coachella Valley: between Filmore and Buchanan on Avenue 56. -37 Comment
  UCR20310  Amaranthus blitoides John C. Roos 1965-7-27 s.n. Riverside Hemet Comment
  JOTR36395  Amaranthus fimbriatus La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3347 Riverside Joshua Tree National Park. Little San Bernardino Mtns: Pushwalla Canyon, approx 100 m W of Pinyon Well site at spring Comment
  UCR265477  Amaranthus palmeri Jordan Zylstra 2014-8-17 14028 Riverside Santa Rosa Mountains, vicinity of Pinyon Flat and head of Cactus Springs Trail, south of Hwy 74 1280 Comment
  CAS-BOT-BC13615  Ambrosia acanthicarpa Lewis S. Rose 1935-12-21 35679 Riverside Cabazon 609 Comment
  CLARK-A1528-145  Ambrosia acanthicarpa Fred B. Essig 1966-9-12 Riverside Riverside Comment
  SEINET2073811  Ambrosia acanthicarpa S. Rhodes 2000-9-14 148 Riverside Desert Center, Dillon Road exit off I-10, sandy, disturbed area in Larrea tridentata desert. 274 Comment
  CAS-BOT-BC22614  Ambrosia dumosa Javier Penalosa 1963-4-10 2782 Riverside Deep Canyon, 3 mi. S of Palm Desert. 213 Comment
  UC75926  Ambrosia dumosa Miss Mary McKibben Riverside Mecca; Colorado Desert Comment
  UCR34895  Ambrosia dumosa L. B. Ziegler 1973-3-6 495 Riverside San Jacinto Mtns, Desert side of Hwy 74, Carriso [Carrizo] Creek 765 Comment
  UCR142120  Ambrosia ilicifolia June Latting 1979-3-25 s.n. Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. 488 Comment
  POM318866  Ambrosia psilostachya Patricia Wilder 1970-10-30 4835 Riverside Road on south side of Prado Flood Control Basin on east side of Prado Dam. About 1/2 mile east of dam tender's residence. Santa Ana River Drainage Area. East of Chino Hills. 152 Comment
  HSC25798  Ambrosia salsola Richard Spjut 1972-3-13 2264 Riverside Western border of the Colorado Desert ; San Jacinto Mts., near the eastern border of the San Bernardino Natl. Forest along Hwy. 74 915 Comment
  JEPS70886  Ambrosia salsola L. R. Heckard 1973-4-24 3319 Riverside about 2 mi nw Chiriaco Summit (s base of mts.); Eagle Mts. 545 Comment
  SEINET2030196 Image available Ambrosia salsola Ynez Whilton Winblad 1937-3-21 s.n. Riverside Coachella Valley Comment
  UCR251670  Ambrosia salsola Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 767 Riverside Sonoran (Colorado) Desert, Mecca Hills, Shaver's Well, adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  POM13099  Amelanchier utahensis I. M. Johnston 1922-5-20 5488 Riverside Kenworthy 1418 Comment
  RSA7751  Ammannia coccinea C. M. Dammers 1933-12-4 s.n. Riverside Growing wild in center of city of Riverside Comment
Read comments
Nov 23 2010
  UCR93228  Ammannia robusta A. C. Sanders 1994-7-26 15149 Riverside Santa Ana River at the Mission Blvd/7th street Bridge, W foot of Mt. Rubidoux 240 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
  SDSU14030  Amorpha fruticosa Kristin Andrade, Mike Simpson 2002-4-20 14 Riverside On north side of Santa Margarita river, tenth of a mile from junction of Via Tornado road. Santa Margarita Ecological Reserve Road. 235 Comment
  UCR261444  Amsinckia A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41435 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
  UCD119698  Amsinckia intermedia T. B. Salvato; Kent Beaman 2005-5-16 786 Riverside San Jacinto Mtn foothills: San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy 74. 549 Comment
  POM96828  Amsinckia intermedia F. M. Reed 1926-5-8 5331 Riverside Near summit of Temescal Canyon highway. Comment
  RSA0089610  Amsinckia intermedia P. A. Munz, R. D. Harwood 1920-2-28 3239 Riverside 3 mi SW of Corona. 305 Comment
  UCR168547  Amsinckia intermedia var. eastwoodiae P. A. Munz, R. D. Harwood 1920-2-28 3239 Riverside Peninsular Ranges; Santa Ana Mountains region, 3 miles southwest of Corona 305 Comment
  UC455990  Amsinckia menziesii var. menziesii I. J. C. O. Edwards 1908-5-31 Riverside Estudillo Rancho; San Marguerita Comment
  RSA517932  Amsinckia tessellata Steve Boyd 1986-3-1 1372 Riverside Gavilan Hills, Gavilan Plateau: 1/4 mile south of Harford Springs County Park. 640 Comment
  RSA522265  Amsinckia tessellata Steve Boyd, D. E. Bramlet, H. Spillman 1989-4-30 3512 Riverside Gavilan Hills, Harford Springs County Park on the N edge of the Gavilan Plateau, E of Gavilan Creek 610 Comment
  UCR112968  Amsinckia tessellata B. G. Pitzer, T. Tennant 1998-2-21 3535 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, on the lakebed, 1/2 to 3/4 mi.le SE of the pumping station 412 Comment
  RSA248727  Amsonia brevifolia var. tomentosa Christopher Davidson 1973-4-19 1979 Riverside Joshua Tree Natl. Monument, ca 4 mi. E of Split Rock, ca 1.5 mi S of park entrance. 1220 Comment
  UC218011  Amsonia tomentosa P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4843 Riverside vicinity of Corn Springs Corn Springs; Colorado Desert, Chuckwalla Mts. 762 Comment
  UC667283  Amsonia tomentosa Annie M. Alexander and Louise Kellogg 1941-5-23 2224 Riverside 1/2 mi. n. Cottonwood Spring (Eagle Mt.); Colorado Desert, Eagle Mt. 914 Comment
  CSUSB1819  Anagallis arvensis Deborah Sullivan 1973-7-17 Riverside Pedley, Riverside. 243 Comment
  UCR90338  Anagallis arvensis Scott D. White 1995-6-29 3411 Riverside Santa Ana Mtns,, Cole Creek, NW of Murrieta, just upstream from Murrieta Ck. confluence 366 Comment
  UCR109474  Andropogon glomeratus A. C. Sanders, Pam MacKay, Tim Thomas, O. F. Clarke 1996-11-23 19657 Riverside San Bernardino Mtns., Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish hatchery, east of VAMB Captain 534 Comment
  SEINET7594989 Image available Andropogon glomeratus Mary F. Spencer 1921-1 1693 Riverside San Jacinto, Near San Jacinto Comment
  CSUSB803  Anemopsis californica Art Whistler 1966-5-18 Riverside Road to reservoir on hills behind the University of California, Riverside (UCR) campus near the water tanks. Comment
  UCR25054  Angelica tomentosa A. C. Sanders 1980-7-22 01746 Riverside Peninsular Range; San Jacinto Mtns., Forest Service Road 5S09, l mi. (airline) west of Pine Cove 1677 Comment
  UC485645  Antennaria rosea Charlotte M. Wilder 1909-8-3 1110 Riverside Whitewater Basin San Bernardino Mts., Whitewater Basin Comment
  RSA0000865  Antennaria speciosa H. M. Hall 1901-07 2401 Riverside San Jacinto Mountains. Tamarack Valley. 2835 Comment
  JOTR32292  Antirrhinum coulterianum Harding, Mitzi, T. Herskovits 2011-5-12 14 Riverside Joshua Tree National Park. Little San Bernardino mountains; Southwest of Eureka Peak; Steep, gravelly slope above canyon 1398 Comment
  RSA160539  Antirrhinum coulterianum J. D. Olmsted 1959-5-14 630 Riverside Jurupa Hills in burned over area near the abandoned marbla quarry at west end of the range Comment
  RSA182339  Antirrhinum coulterianum J. D. Olmsted 1962-5-1 3429 Riverside NE slope just west of top of highest Southern California waterfall; 1/4 miles. SE of Falls Plateau, Snow Canyon N of Mt. San Jacinto Comment
Read comments
Nov 24 2011
  RSA4396  Antirrhinum coulterianum R. C. Bacigalupi 1954-4-25 4396 Riverside First-year 'burn' along Califor. Highway 79, close to summitof St. Jones Grae, +- 0.75 miles. south of Sage [9 1/2 miles north of juntion with Calif. Highway 71] 732 Comment
  RSA673633  Antirrhinum coulterianum Scott D. White, Tasha La Doux 2000-4-20 7700 Riverside South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills. 610 Comment
  SBBG122774  Antirrhinum coulterianum A. Parikh 1990-4-27 159 Riverside W of Rawson Cyn, 1.7 km WSW of jct of Crown Valley Rd and Rawson Rd 696 Comment
  SEINET255561 Image available Antirrhinum coulterianum Teresa Nieto 2005-4-14 05 Riverside Peninsular Tange, Agua Tibia Mountains: UC Emerson Oaks Reserve, ca. 8 miles southeast of Temecula, S of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank. 488 Comment
  UCR71982  Antirrhinum coulterianum Steve Morgan, H. M. Soldan 1992-5-25 92 5 Riverside Santa Rosa Mtns, SE end of San Bernardino National Forest, c. 17 mi (airline) due south of Cathedral City, on County Road 7S02 (Santa Rosa Truck Trail), from 0.5 to c. 1.5 mi south of Calif. Hwy 74 Comment
  UC184602  Antirrhinum filipes E. E. Schellenger Riverside Colorado Desert Comment
  UCR151363  Antirrhinum kelloggii D. L. Banks 1997-2-23 1335 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation, north of Pechanga Rd. and south of Anza Rd., just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire 460 Comment
  JEPS83385  Antirrhinum nuttallianum subsp. nuttallianum David M. Thompson 1983-5-10 298 Riverside 1.8 mi up Box Springs Mountain Road junction with Pigeon Pass Road (Box Springs Mountain Road, w of road); Riverside East Quad. (7.5', 1967) 731 Comment
  CLARK-A1528-1422  Apiastrum angustifolium John C. Roos 1937-3-24 1340 Riverside Pigeon Pass Comment
  RSA586114  Apiastrum angustifolium D. L. Banks, S. D. Boyd 1995-4-5 154 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, W of the Dripping Springs Trail. 503 Comment
  RSA619544  Apiastrum angustifolium D. L. Banks 1997-5-5 1993 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  RSA673553  Apiastrum angustifolium Scott D. White, Tasha La Doux 2000-4-20 7683 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  RSA335037  Apium graveolens Steve Boyd 1985-7-23 1011 Riverside De Luz Rd., 7 mi. west of Rancho California. 366 Comment
  RSA680164  Apocynum cannabinum Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8624 -B Riverside Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  JEPS53033  Arabis glabra Carl V. Meyer Jun 1927 198 Riverside Saunders Meadow Comment
  RSA161333  Arabis glaucovalvula P. H. Raven 1958-5-5 12900 Riverside To the west of Split Rock Tank, Joshua Tree National Monument. Comment
  RSA0126335  Arabis glaucovalvula C. L. Hitchcock 1932-4-8 12218 Riverside 1 mile west of Cottonwood Springs. Comment
  UCR202616  Arabis johnstonii Scott D. White, Justin M. Wood 2008-6-17 12191 C Riverside San Jacinto Mountains, Morris Ranch Road, open area west of Goff Flat 1641 Comment
  UCR172752  Arabis sparsiflora Abby Sirulnik 2000-5-7 33 Riverside Peninsular Ranges; San Jacinto Mtns., c. 1/4 mi. down first road off of Poppet Flat Road (off Calif. Hwy 243 near Twin Pines) 1220 Comment
  RSA629169  Arctostaphylos Jon E. Keeley 1992-7-17 16810 Riverside Rd. to Thomas Mtn. (5S15), 9.5 km north of Toolbox Spring. 1640 Comment
  UC1121515  Arctostaphylos R. St. John 1929-5-2 23 Riverside Toro Peak Indio Quadrangle, Santa Rosa Mountains 1676 Comment
  RSA629397  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19526 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  UCR278163  Arctostaphylos glandulosa A. C. Sanders, Amy Litt, Yi Huang 2017-2-1 42676 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, along Tenaja Rd. at north foot of Redonda Mesa, 0.65 km west of intersection with Corona Calle Camino 680 Comment
  RSA552735  Arctostaphylos glandulosa subsp. glandulosa Steve Boyd, T. S. Ross, Orlando Mistretta 1992-3-31 6756 Riverside San Mateo Cyn. Wilderness Area. Tenaja Trail from jtn w/ Morgan Tr. S to Pigeon Spring area. 670 Comment
  RSA629366  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-6-16 16821 Riverside Hwy 234, 3 km N of Hwy 74, San Jacinto Mtns. 1520 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
Read comments
Jan 1 2007
  POM367258  Arctostaphylos glandulosa var. adamsii Jean Carnine 1932-3-28 s.n. Riverside San Jacinto Mountains. Comment
  JOTR32365  Arctostaphylos glauca La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2480 Riverside Joshua Tree National Park. Little San Bernardino Mountains: North side of Quail Mountain; Rocky outcrop and steep slopes above large drainage and spring (Stop 6) Comment
  RSA631761  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15069 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA631770  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15081 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA631832  Arctostaphylos glauca Jon E. Keeley 1992-6-12 15528 Riverside Road to Elsinore Peak, 1.5 km south of Highway 74. 850 Comment
  RSA633554  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21792 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633589  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22521 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633699  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16669 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA761232  Arctostaphylos pringlei Shawn Krosnick, C. Martinez, Naomi Fraga, Lucinda McDade, et al. 2010-8-14 723 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA635638  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-17 16749 Riverside Rd. to Thomas Mtn. (5S15), 4.5 km south of Toolbox Springs, west of Garner Valley, San Jacinto Mountains. 1660 Comment
  RSA635692  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-16 16596 Riverside Hwy 371 & Burnt Valley Rd. San Jacinto Mtns. 1250 Comment
  RSA679988  Arctostaphylos pringlei subsp. drupacea LeRoy Gross, Firoozeh Navid-Ara, Valerie Soza 2003-6-23 1120 Riverside Black Moutain Road (4501), southeast of Black Mountain and northwest of Fuller Mill Creek. 2012 Comment
  UCR3712  Arctostaphylos pringlei subsp. drupacea Frank C. Vasek 1964-7-26 640726- 03 Riverside Peninsular Range; San Jacinto Mtns., at Pine Cove Comment
  CSUSB1377  Arctostaphylos pringlei var. drupacea Conrad Bahre 1970-4-30 Riverside San Jacinto Mountains San Jacinto Mountains. Sec. 4, T4S, R1E. North fork of San Jacinto River 1523 Comment
  POM49833  Arctostaphylos pungens P. A. Munz 1924-7-29 8876 Riverside Lone Oak Ranch, Banning-Idyllwild Road. 1037 Comment
  SBBG5490  Arctostaphylos pungens M. Van Rensselaer 1937-6-24 Riverside Santa Rosa Indian Reservation Comment
  UC21839  Arctostaphylos pungens H. M. Hall 1901-6-12 2102 Riverside w side San Jacinto Mountains Comment
  UCR106339  Arctostaphylos pungens John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  UCR23648  Arctostaphylos pungens John C. Roos 1943-5-23 2652 Riverside S Mojave Desert, Little San Bernardino Mtns 1524 Comment
  RSA735110  Arctostaphylos rainbowensis Scott D. White, Justin M. Wood 2007-4-16 11654 Riverside Near Rainbow Valley: Mountains west of I-15 Freeway and immediately north of San Diego County boundary. 335 Comment
  UCR209400  Arctostaphylos rainbowensis Fred M. Roberts, Robt. L. Allen 2008-2-23 6709 Riverside Santa Ana Mountains, Rancho California, vicinity of Santa Rosa Plateau, Rancho California Road c. 2.2 km by road east Jefferson Ave. in Temecula 419 Comment
  UCR21292  Arenaria pusilla A. C. Sanders, K. Berg 1980-5-1 1362 Riverside San Jacinto Mountains, Garner Valley. Dry bench above valley floor 0.25 mi NW of Kenworthy Ranger Station 1433 Comment
  UCR19212  Argemone corymbosa John C. Roos, Lucille Roos 1949-4-11 4245 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake Comment
  RSA105994  Argemone munita subsp. munita Gerald B. Ownbey 1954-5-22 2112 Riverside 2.8 miles se of Palm Springs. Comment
  CAS-BOT-BC207123  Argythamnia lanceolata Lewis S. Rose 1959-1-8 59001 Riverside La Quinta 15 Comment
  UCR100872  Aristida adscensionis George K. Helmkamp, E. A. Helmkamp 1998-2-18 2701 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  UCR244447  Aristida adscensionis Jim Andre 2012-4-16 20903 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd, 3.1 mi. north of south entrance, 4.1 mi. north of I-10 788 Comment
  UCSB298  Aristida adscensionis Graney, Don 1953-3-21 Riverside 13 mi E of Indio; Colorado Desert Comment
  CLARK-A1528-4480  Aristida purpurea John C. Roos 1951-10-19 5325 Riverside Old Jackrabbit Trail 609 Comment
  CDA31494  Aristida purpurea var. nealleyi A. A. Beetle 1942-4-23 3187 Riverside Banks of Colorado River, 24 miles north of Blythe 0 Comment
  UCR2170  Aristida purpurea var. nealleyi F. M. Reed 1920-5-9 4316 Riverside Sonoran (Colorado) Desert, mouth of Andreas Canyon [near Palm Springs, E slope of the San Jacinto Mtns.] 305 Comment
  UCR26289  Aristida purpurea var. nealleyi John C. Roos 1951-10-19 5325 Riverside Badlands at Old Jackrabbit Trail 610 Comment
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Mar 20 2011
  CAS-BOT-BC137514  Aristida purpurea var. purpurea J. C. Roos 1965-6-23 s.n. Riverside Lost Palms Canyon, Eagle Mountains. Comment
  RSA0027479  Aristida purpurea var. purpurea Deidre Conocchioli, Naomi Fraga, Billy Sale 2013-9-25 60 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
  CLARK-A1528-4491  Aristida wrightii John C. Roos 1938-8-7 582 Riverside San Jacinto River 701 Comment
  SDSU12265  Artemisia californica Jeremy Mass, Ryan Jacobsen 2000-4-19 11 Riverside Growing along edge of road near Stone Creek, close to Southside Field Station, Santa Margarita Ecological Reserve (SDSU). 222 Comment
  UCR48494  Artemisia californica Steve Boyd 1985-12-24 1194 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  CLARK-A1528-154  Artemisia douglasiana John C. Roos 1951-9-25 5281 Riverside Riverside 259 Comment
  POM230231  Artemisia douglasiana I. W. Clokey, E. G. Anderson 1933-8-21 6984 Riverside West of Keen Camp 1360 Comment
  UC29671  Artemisia dracunculus H. M. Hall 1901-8-1 2581 Riverside in open forests of Tamarack Valley; San Jacinto Mountains 2529 Comment
  SEINET186322  Artemisia ludoviciana subsp. mexicana Philip A. Munz 1938-8-13 15335 Riverside East of Santa Rosa Peak 2377 Comment
  UCR138603  Artemisia tridentata subsp. tridentata D. L. Banks 1996-11-7 1207 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
  RSA97780  Artemisia tridentata subsp. tridentata Marcus E. Jones 1900-7-13 s.n. Riverside Dripping Spring, near Temecula. 366 Comment
  UCR118807  Artemisia vulgaris O. F. Clarke 2000-12-9 s.n. Riverside Peninsular Range, Riverside, in yard of O.F. Clarke residence at 266 Frost Court 360 Comment
  UCR149415  Arundo donax S. J. Myers 1996-6-6 s.n. Riverside Santa Ana River Valley, Santa Ana River, c. 0.5 mi west of Rubidoux Nature Center Comment
  CLARK-A1656-632  Asclepias albicans Lois Ann Scott 1978-4-18 Riverside Mecca Hills 304 Comment
  UCR200260  Asclepias albicans J. M. Porter, Orlando Mistretta 2003-6-5 13604 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Chocolate Mountains. Chocolate Mountains Bombing and Gunnery Range. Unnamed canyon, south of Salt Creek, accessed via Siphon 21 of the Coachella Canal, fork running east, above the pour-off 439 Comment
  UCR17948  Asclepias californica K. Stolte 1978-5-28 s.n. Riverside peninsular Range/Agua Tibia Mtns. Region, Along Hwy 79, at entrance to Dripping Springs Camp Comment
  UCR43756  Asclepias californica A. C. Sanders, B. Pitzer 1986-4-30 6488 Riverside San Jacinto Mtns, head of Bee Canyon along Bee Canyon Road, 1.7 mi. above mouth of canyon at the San Jacinto River Valley. 795 Comment
  SD181724  Asclepias fascicularis Scott D. White 2000-8-5 8098 Riverside San Jacinto Mountains: Near Mountain Center, unnamed ephemeral drainage. 1402 Comment
  CLARK-A1528-1464  Asclepias subulata John C. Roos 1946-12-7 3179 Riverside Pushawalla Wash Comment
  SJSU11072  Asclepias subulata R. C. McGehee 1970-5-1 260 Riverside Chuckwalla Springs Rd, 1 mi W of Graham Pass Rd c. 7 mi SW of Interstate Hwy 10 Comment
  RSA0035702  Asparagus asparagoides A. C. Sanders 2010-5-29 38428 Riverside Riverside, yard at 5081 Magnolia Ave., at corner of Chapman Place 258 Comment
  RSA0086466  Asparagus officinalis Mitch Provance 2013-4-8 413 -13 Riverside San Bernardino Valley: Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave. 226 Comment
  UCR41736  Asphodelus fistulosus B. G. Pitzer 1986-3-18 BG 0060 Riverside University of California, Riverside. Botanic Garden 396 Comment
  CAS-BOT-BC154110  Astragalus N. Aitkenhead 1977-1-31 s.n. Riverside ~1 mi E. of junct. of Dillon Rd & T/L in N. Palm Springs Comment
  SEINET3004985  Astragalus acutirostris G. Rink, M. Baker 2011-4-1 10412 Riverside Northwest of Blythe, east of the McCoy Mtns, vegetated pockets in desert pavement 170 Comment
  POM10343  Astragalus didymocarpus H. M. Hall 1897-3-13 241 Riverside Elsinore Lake Comment
  UC862667  Astragalus didymocarpus var. dispermus Alice Eastwood 1913-4-30 3058 Riverside Palm Springs Comment
  CAS-BOT-BC182635  Astragalus didymocarpus var. obispoensis L. R. Abrams 1935-4-7 13664 Riverside Gavilan Hills, 2 mi. SW. of Perris Comment
  LA204956  Astragalus douglasii var. parishii Darlean Wagner; 1954-5-22 sn Riverside by glen on other side of Fullmer [Fulmor] Lake Comment
  SDSU7936  Astragalus insularis var. harwoodii Darley F. Howe 1949-3-21 1975 Riverside 3 miles west of Blythe. 91 Comment
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Oct 12 2011
  SEINET13752407  Astragalus insularis var. harwoodii Heather Breakiron 2017-3-23 3 Riverside 11 miles southwest of Blythe, CA along dirt powerline road Comment
  UC126875  Astragalus lentiginosus var. coachellae H. M. Hall 1905-4-14 5757 Riverside Whitewater , Whitewater (Colorado Desert) 240 Comment
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Feb 1 2011
  UCR6004  Astragalus lentiginosus var. coachellae Barry A. Vittor 1966-3-18 s.n. Riverside Western Colorado Desert, [Coachella Valley], just east of Varner Road [between Flat Top Mtn. and Edom Hill, based on el. given] 152 Comment
  RSA27928  Astragalus lentiginosus var. variabilis C. L. Hitchcock 1940-4-4 5958 Riverside Pinto Basin. Comment
  CAS-BOT-BC178060  Astragalus nuttallianus S. B. Parish 1896-4-1 s.n. Riverside Palm Springs, Colorado Desert Comment
  CAS-BOT-BC194164  Astragalus palmeri P. A. Munz; D. Keck 1922-4-13 4935 a Riverside Eagle Mts., Colorado Desert Comment
  RSA415654  Astragalus pomonensis N. C. Cooper 1949-3-18 3165 Riverside Elsinore. 457 Comment
  SD8526  Astragalus pomonensis Daniel Cleveland 1882-5-3 Riverside San Jacinto Plains (mak 8/07) Comment
  UCR1655  Astragalus pomonensis Ken Calhoun 1962-4-29 77 Riverside Santa Ana Mtns., Santa Rosa Plateau, San Mateo [Tenaja] Road, 4 mi. west of Murrieta 549 Comment
  RSA0003063  Astragalus pomonensis Marcus E. Jones 1882-4-24 3166 Riverside Temecula Comment
  POM13917  Astragalus sabulonum P. A. Munz 1922-4-8 4739 Riverside Mecca, Colorado desert. -30 Comment
  JOTR29377  Astragalus tricarinatus La Doux, Tasha, Mike Bell 2006-5-10 1454 Riverside Joshua Tree National Park. East Deception Canyon, near park boundary Comment
  RSA673636  Athysanus pusillus Scott D. White, Tasha La Doux 2000-4-20 7706 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  CAS-BOT-BC98819  Atrichoseris platyphylla H. M. Hall 1905-4-1 5854 Riverside Colorado Desert - Canyon [Canon] Springs Comment
  RSA779583  Atrichoseris platyphylla Duncan S. Bell 2009-3-7 15 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
  UCR86854  Atrichoseris platyphylla A. C. Sanders, K. Rose 1995-4-27 16734 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
  CAS-BOT-BC170584  Atriplex Roxana S. Ferris 1918-6-19 1017 Riverside Between Rannels and Palo Verde. Comment
  RSA0026101  Atriplex John F. Emmel 1991-3-17 1159 Riverside Chuckwalla Valley, 1.2 air miles SE of extreme south end of Palen Dry Lake, (2.8 air miles E and 0.7 air mile S of Sidewinder Well). 130 Comment
  SEINET3930040  Atriplex argentea var. mohavensis Steve Boyd 1986-4-19 1721 Riverside temescal Canyon: warm Springs Valley. Alkali flats along Alberhill Creek drainage E of Nichols Rd.; 0 Comment
  RSA696730  Atriplex canescens J. R. Bruff 1928-11-12 382 Riverside Aquanga Comment
  SEINET3930594  Atriplex canescens Grant D. Brown 1950-3-29 521 Riverside Aguanga on highway 379.; 0 549 Comment
  SEINET3930597  Atriplex canescens Grant D. Brown 1950-3-29 527 Riverside 10.5 miles NW of Gilman Hot Springs on highway #79.; 0 Comment
  UC1080345  Atriplex canescens E. K. Balls and P. C. Everett 1957-11-5 22757 Riverside just s Thermal (State Hwy 111); s of Thermal 30 Comment
  UCR169926  Atriplex canescens A. C. Sanders, J. Andre , P. J. MacKay, Tim Thomas & CNPS Fld Trip 2005-2-26 29128 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  UCR55657  Atriplex coronata var. notatior L. F. LaPre, Jack Easton 1988-7-10 s.n. Riverside Perris-Aguanga Basin Region, San Jacinto River, 1 mi east of Perris [near Case Rd.] 427 Comment
  UCR70521  Atriplex coronata var. notatior D. E. Bramlet 1991-5-2 2113 Riverside San Jacinto Valley, San Jacinto Area, 7.6 km west of Hemet & c. 1.4 km SW of intersection of Warren and Setson Ave. Plants c. 68 m south of Setson Ave. & 320 m west of the MWD canal. 500 Comment
  UCR91059  Atriplex coronata var. notatior 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
  CAS-BOT-BC170261  Atriplex hymenelytra John Thomas Howell 1928-1-28 3289 Riverside Thousand Palms, Colorado Desert Comment
  RSA2107  Atriplex hymenelytra Ernest Braunton 1929-01 s.n. Riverside Painted Canyon, Mecca. 46 Comment
  RSA708483  Atriplex hymenelytra Scott D. White, Brian Leatherman 2005-5-4 11016 Riverside Eastern Coachella Valley. Thermal area; bajada below Mecca Hills and East of the Coachella Canal. 24 Comment
  SD38024  Atriplex hymenelytra Edith A. Purer 1931-3-1 Riverside Near Palm Springs. Comment
  UCR33641  Atriplex hymenelytra Faulkner 1978-3-21 335 Riverside Sonoran (Colorado) Desert, 9 mi. north of Blythe on Hwy 95 152 Comment
  RSA598396  Atriplex parishii C. Reiser 1996-5-9 s.n. Riverside Winchester; north of Haddock, west of Farnsworth Road; also south of Simpson Road; near Adams. Comment
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Mar 20 2011
  SD138896  Atriplex parishii Craig Reiser 1994-5-2 Riverside Hemet; north side of field, along fenceline Comment
  RSA724123  Atriplex polycarpa R. E. Riefner 2006-10-9 6 -488 Riverside City of Lake Elsinore, back basin of Lake Elsinore, W ca. 0.5 mi off Pete Lehr Dr. at Diamond Stadium in Wildlife Viewing Area. 402 Comment
  RSA653589  Atriplex prostrata A. C. Sanders, D. Bramlet, Mihai Costea, T. Salvato 1999-10-15 23181 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1 mile W of Jackrabbit Trail on Gilman Springs Rd., 0.4 mi. W of Quail Lake Golf C. entrance, 2 mi. WNW of Eden Hot Spr. 436 Comment
  UC72715  Atriplex semibaccata F. M. Reed 1903-8-15 374 Riverside near Rincon; near Rincon Comment
  IRVC28527  Atriplex triangularis O. F. Clarke 1970-9-24 s.n. Riverside Riverside, Santa Ana River bottom just E of the old Salt Lake River Bridge. Comment
  RSA0085059  Avena barbata Mary Duke, Christy Hightower, Cecilia McElroy 1982-5-15 15 Riverside CA Hwy 74, just off highway E of Elsinore, 1 mi W of Hwy 15. Comment
  CDA42499  Azolla filiculoides F. J. Willmarth Apr 1958 s.n. Riverside Reservoir, Hemet Valley. 0 Comment
  SEINET899445  Baccharis brachyphylla J. C. Roos 1958-1 Riverside Carrizo Creek near Black Hill, Santa Rosa Mountains 914 Comment
  CAS-BOT-BC106735  Baccharis salicifolia T. Winfield 1975-4-17 2407 Riverside Santa Ana R. near Fairmont Park Comment
  POM50389  Baccharis salicifolia W. W. Eggleston 1924-3-10 19541 Riverside San Jacinto Station, Cleveland Forest 600 Comment
  RSA296180  Baccharis salicifolia B. A. Prigge 1980-8-5 3818 Riverside Whitewater Canyon; 0.5 mile N of trout farm. 701 Comment
  UC1287079  Baccharis salicifolia subsp. salicifolia C. L. Hitchcock 1966-3-15 24159 Riverside 3 mi e Glen Ivy Hot Springs Comment
  SD152957  Baccharis salicina Steve Boyd, Tim Ross and Dave Bramlet 1992-9-9 7663 Riverside Southern Santa Ana Mountains; upper San Mateo Canyon from the junction of Tenaja Road and Los Alamos Road at the confluence of Los Alamos Creek. 395 Comment
  SBBG63299  Baccharis sarothroides R. C. and J. R. Robbins 1933-2-15 Riverside Pinyon Flat, Palms to Pines (St Hwy 74) Comment
  RSA5436  Baccharis sergiloides C. B. Wolf 1932-10-13 4311 Riverside Cottonwood Springs. Eagle Mountains 290 Comment
  UCD169938  Bacopa monnieri Alexandra Beaty 2018-2-6 s.n. Riverside La Quinta. Growing at golf course called The Quarry at La Quinta. 0 Comment
  POM259110  Bahia dissecta Philip A. Munz 1938-8-14 15364 Riverside High ridge east of Toro Peak, Santa Rosa Mts. 2438 Comment
  RSA442013  Bahiopsis parishii Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  RSA5361  Bahiopsis parishii B. D. Stark 1932-6-15 1525 Riverside Base of Eagle Mountains above Utopia, Colorado Desert. 229 Comment
  SEINET2055760 Image available Baileya pleniradiata George K. Helmkamp, E. A. Helmkamp 2001-9-16 7174 Riverside Willcox Playa, east edge: Blue Sky Road 0.2 mil northeast of AZ-186 (siuthest of Willcox} 1295 Comment
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May 3 2014
  CLARK-A1528-1648  Bebbia juncea John C. Roos 1995-6-19 Riverside Santa Ana Mountains Comment
  RSA782528  Bebbia juncea A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38384 Riverside Southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04deg.) of intersection of I-15 and Lake St. 465 Comment
  SBBG133352  Bebbia juncea S. D. White, A. Carey 2004-7-2 10563 Riverside San Jacinto Mtn foothills, Soboba Indian Reservation, Poppet Crk Cyn 549 Comment
  UCR33557  Bebbia juncea Faulkner 1978-4-27 505 Riverside Eastern Colorado Desert, 22 mi NW of Blythe, north and west of Midland 306 Comment
  CAS-BOT-BC100111  Bebbia juncea var. aspera John Thomas Howell 1928-1-29 3296 Riverside floor of Painted [Canon] Canyon, Colorado Desert Comment
  CAS-BOT-BC100131  Bebbia juncea var. aspera W. L. Jepson 1912-10-22 5249 Riverside Blythe Intake, Palo Verde Valley 137 Comment
  CLARK-A1528-1369  Beloperone californica John C. Roos 1949-4-11 4233 Riverside Chuckwalla Mountains Comment
  SEINET3154481  Beloperone californica G. B. Grant 1996-5-1 101 Riverside on Colorado Desert at Palm Springs Comment
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Jul 4 2015
  UCR17611  Berberis dictyota B. A. Carlson 1978-5-13 s.n. Riverside Santa Rosa Mtns, 5.5 mi. south of Hwy 74 on road to Toro Peak Comment
  UCR59686  Berberis nevinii Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2959 Riverside Vail Lake, W shore of lake, Kolb Creek drainage in series of small side draws, 442 Comment
  CLARK-A1528-404  Beta vulgaris John C. Roos 1951-10-24 5334 Riverside Riverside 228 Comment
  UCR165606  Bloomeria crocea T. B. Salvato, John F. Green 2004-5-27 706 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
  SBBG72390  Boechera R. Hoffmann 1929-9-6 Riverside San Jacinto Mtns 2590 Comment
  SBBG50743  Boechera californica R. S. Woglum 1941-6-12 3059 a Riverside Idyllwild Comment
  UC1463880  Boechera johnstonii Jeanine Derby 1977-2-1 Riverside e end Quinn Flats; San Jacinto Mts., Garner Valley Comment
  UC1136568  Boerhavia coccinea H. S. Yates 1937-6-28 6729 Riverside Palm Springs San Jacinto Quad., Palm Springs Comment
  UCR23481  Boerhavia coccinea John C. Roos 1966-9-20 s.n. Riverside San Jacinto Valley, San Jacinto Comment
  RSA0062773  Boerhavia coulteri Duncan S. Bell 2014-10-21 7648 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
  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
  UCR20797  Bolboschoenus maritimus subsp. paludosus A. C. Sanders, S. D. Boyd 1980-5-19 1473 Riverside Perris-Aguanga Basin, upper edge of Lake San Jacinto near Quail Lake Golf Course. Gilman Springs Road c. 1.5 mi northwest of Jackrabbit Trail. 442 Comment
  CLARK-A1528-4501  Bothriochloa barbinodis John C. Roos 1947-2-15 3236 Riverside Eagle Mountains Comment
  RSA179488  Bothriochloa barbinodis E. W. Lathrop 1979-4-17 4479 Riverside 14 miles west of Murrieta, Redonda Mesa. Comment
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Apr 27 2011
  RSA526373  Bouteloua aristidoides Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring, Chuckwalla Mountains, Colorado Desert. Comment
  CAS-BOT-BC540737  Bouteloua barbata Sarah J. De Groot; Amy Rouillard 2015-9-15 7567 Riverside Ford Dry Lake, Chuckwalla Valley, N of I-10 106 Comment
  LA11372  Bouteloua barbata S. B. Parish; 1912-6-28 8102 Riverside Salton Basin Comment
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Mar 1 2014
  RSA517833  Bouteloua barbata Steve Boyd, Orlando Mistretta 1986-3-13 1457 Riverside West side Palen Mountains: NE of Desert Center. Comment
  RSA0087454  Bouteloua barbata var. barbata Sarah J. De Groot, Amy Rouillard 2015-9-15 7567 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 107 Comment
  UC576358  Bouteloua barbata var. barbata H. S. Yates 1937-6-28 6732 Riverside Palm Springs San Jacinto Quadrangle 137 Comment
  RSA613130  Bowlesia incana D. L. Banks 1997-3-6 1399 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
  UCR202613  Bowlesia incana Scott D. White, Justin M. Wood 2008-7-9 12423 Riverside San Jacinto Mountains, K Flat, from large pond downstream to meadow 1463 Comment
  UCR49787  Bowlesia incana D. C. Hawks, G. Bruyea 1987-4-3 s.n. Riverside Peninsular Range, Gaylord property, NW of Aguanga 550 Comment
  JEPS42503  Brandegea bigelovii W. L. Jepson 1927-4-12 11671 Riverside Mecca Hills Painted Canyon (Painted Canyon); , Painted Canyon 76 Comment
  UCR274803  Brandegea bigelovii Aaron C. Sedgwick, David Fraker 2012-3-28 035 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road. c. 6 miles south of Hwy I-10 323 Comment
  UCR3382  Brandegea bigelovii John Minnich 1964-3-22 64-3-22- 10 Riverside Sonoran (Colorado) Desert, Mouth of Box Canyon, on State Hwy 195, E side of dam formed by Painted Canyon turnoff. 0 Comment
  SD247616  Brassica nigra J. Mark Porter, Lauren E. Machen 1997-2-15 11419 Riverside North of Interstate 15 at the Lake Street/Walker Canyon exit, 4.4 mi NE of the Hwy 74 exit at Lake Elsinore. 390 Comment
  JOTR32168  Brassica tournefortii La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2320 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Large sandy canyon with braided wash that feeds southwest into Wilson Canyon (Stop 7) 902 Comment
  RSA278954  Brassica tournefortii B. A. Prigge, L. Martinez 1978-3-23 2397 Riverside NW Colorado Desert, Coachella Valley, 1.7 miles W of North Palm Springs on Dillon Road 274 Comment
  SD216466  Brassica tournefortii Carol R. Annable 1995-3-9 2257 Riverside Circa 13 kilometers North of Rancho Mirage. BLM land behind A-1 Cement. Comment
  UCR260246  Brassica tournefortii A. C. Sanders, Jim Malusa 2015-3-9 41362 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along Gasline Road at major wash crossing 1.9 mi. south of Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range 686 Comment
  UC1523410  Brickellia atractyloides Robert F. Thorne and W. A. Tilforth 1980-5-28 54208 Riverside 3.2 mi n, w from Whitewater Canyon Hwy 10 and Whitewater P. O.; San Bernadino Mts. 609 Comment
  RSA772008  Brickellia californica Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4963 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  SEINET272197  Brickellia californica A. C. Sanders, T. Tennant; A. Montalvo & B. Wagner 1997-11-20 21610 Riverside Lake Skinner reserve area: Diamond Valley canyon along Rawson rd. going into hills toward Crown Valley. 509 Comment
  UC86103  Brickellia californica J. W. Toumey 1894-9-27 Riverside Banning Comment
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Mar 13 2011
  CAS-BOT-BC106176  Brickellia desertorum John Roos; Lucille Roos 1950-9-30 4995 Riverside Rocky hills midway between Steele Pk. and Elsinore, about 3 miles north of Elsinore. 487 Comment
  RSA301936  Brickellia desertorum J. R. Shevock 1972-11-14 2314 Riverside Coyote Canyon, Anza Borrego State Park 762 Comment
  RSA700108  Brickellia desertorum Virginia Moran 2003-9-1 s.n. Riverside Wilson Valley Mitigation Bank, managed by the Center for Natural Lands Management: Section 33 of two that comprise mitigation bank. (Section 27 & 33). Accessed from Wilson Valley Road. Comment
  RSA89870  Brickellia desertorum J. C. Roos 1950-9-30 4996 Riverside Box Springs Grade 0.5 mile SE of Citrus Experiment Station Riverside. 396 Comment
  VVC1449  Brickellia desertorum A. C. Sanders, J. Mac 1996-11-23 19650 M Riverside San Bernardino Mtns., Whitewater Canyon, just below the fish hatchery 648 Comment
  UC205029  Brickellia incana L. G. Childs 1920-12-14 Riverside Salt Creek Wash, Colorado Desert Colorado Desert, Salt Creek Wash Comment
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Sep 24 2007
  RSA367529  Brodiaea Anstruther Davidson s.n. Riverside Palm Springs. Comment
  UC1871317  Bromus arenarius Steve Boyd, Chris Frazier 1993-4-24 8006 Riverside Peninsular Ranges; Palomar Mountains region; Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck rd. T8S R1W; SE 1/4, NE 1/4 sec. 32. Elev. 2600-2900 feet. Comment
  UCR263238  Bromus arizonicus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41482 Riverside San Gorgonio Pass, 3.3 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope east of the water bottling plant and south of I-10 445 Comment
  JOTR33679  Bromus berteroanus La Doux, Tasha 2005-9-1 1594 Riverside Joshua Tree National Park. Eagle Mountains, northwest end; 3.5 miles north of Cottonwood Visitor Center; granitic outcrops with sandy wash Comment
  RSA92722  Bromus berteroanus J. C. Roos, L. Roos 1952-5-24 5711 Riverside one-year-old burn on hills north of Moreno 518 Comment
  UCD58354  Bromus catharticus John Thomas Howell 1960-3-24 35147 Riverside Hemet. Comment
  RSA612806  Bromus diandrus D. L. Banks 1997-3-1 1363 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
  UCR201650  Bromus diandrus Scott D. White, Justin M. Wood 2008-5-15 11997 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  POM10523  Bromus diandrus C. F. Baker 1909-05 s.n. Riverside Riverside. Comment
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Jul 27 2008
  RSA591818  Bromus diandrus E. W. Lathrop 1966-5-26 6340 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  POM146223  Bromus grandis F. M. Reed 1925-5-25 5034 Riverside Horsethief Canyon - Temescal Valley., [33 deg 43'20N, 117 deg 26'15W] Comment
  UC1131018  Bromus grandis H. S. Yates 1936-8-29 6383 Riverside Fuller Creek 1676 Comment
  UCR156288  Bromus hordeaceus T. B. Salvato, Kent Beaman 2005-5-16 830 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
  UCSB45594  Bromus hordeaceus Roos, J. 1939-5-13 Riverside La Sierra Comment
  RSA792813  Bromus hordeaceus subsp. hordeaceus D. M. McF 1954-5-28 5 Riverside Near Winchester. Junction [of] Hwy 395 and Newport Ave. Comment
  UCSB18534  Bromus madritensis subsp. rubens MacLean, Jr., Steve 1963-5-4 Riverside Banning to Idyllwild Rd; 2.5 mi S of Banning 853 Comment
  UCR102764  Bromus rubens B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3593 .2 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
  OBI35843  Bromus sitchensis J. & L. Roos, L. Roos 1954-5-29 6122 Riverside Cyn 1 mi SE of summit of Reche Cyn 686 Comment
  UCR9533  Broussonetia papyrifera O. F. Clarke 1970-7-27 s.n. Riverside Riverside, residential garden of Mrs. Luther J. Tobias, 4460 7th Street Comment
  RSA232962  Buddleja officinalis D. A. Young 1969-3-21 437 Riverside 3 miles west of Elsinore, California on a dirt road north of Highway 71, 500 yards off the road. 244 Comment
  RSA0014313  Caesalpinia virgata Justin M. Wood, J. Miner 2010-4-29 1545 Riverside Coachella Valley: Cathedral City, 0.5 mi SW of intersection of East Palm Canyon Drive and Cathedral Canyon Wash. 130 Comment
  RSA0105077  Calandrinia ciliata Daphne K. Christopher, Hannah Stevens 2003-4-6 107 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 540 Comment
  RSA714378  Calandrinia ciliata John Green 2005-4-28 s.n. Riverside Peninsular Range; Southern Santa Ana Mtns.: Santa Rosa Plateau, hills on the south side of Teaja Rd., between Squaw Mtn. and De Luz Creek. 655 Comment
  UCR158328  Calandrinia ciliata A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30070 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
  NY409588  Callitriche longipedunculata R. F. Thorne 1973-5-23 45530 Riverside Santa Rosa Plateau - Mesa de Colorado 609.6 Comment
  UCR60514  Callitriche longipedunculata R. F. Thorne 1973-5-23 43847 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  RSA297384  Calocedrus decurrens Larry E. DeBuhr 1972-2-25 500 Riverside Santa Rosa Mts. San Bernardino National Forest; along forest road 7S02; above Cedar Springs. 2346 Comment
  CLARK-A1528-3185  Calochortus albus John C. Roos 1960-5-30 Riverside Santa Ana Mountains Comment
  SD90486  Calochortus albus E. W. Lathrop, Robert F. Thorne, E. Lathrop 1967-5-19 37984 Riverside Santa Rosa Plateau, Rancho Californica [California?], shaded grassy area under oak woodland, ca. 2 miles beyond turn-off to ranch headquarters. 609 Comment
  RSA641090  Calochortus palmeri var. munzii Orlando Mistretta, Mark Elvin 1995-6-19 1775 Riverside Highway 74. 1418 Comment
  UCR202609  Calochortus palmeri var. munzii Scott D. White, Justin M. Wood 2008-7-9 12417 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  UCR222418  Calochortus plummerae D. E. Bramlet, M. Riedel-Lehrke 2006-6-13 4021 Riverside Peninsular Range; Perris-Aguanga Basin Region, West Hemet Hills, 1.28 km south of Florida Ave. & 1.31 km east of Hwy 79/Winchester Rd. 625 Comment
  POM123271  Calochortus splendens Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  RSA377463  Calochortus splendens N. C. Cooper 1949-6-29 4326 Riverside Idlewild, San Jacinto Mountains. 1524 Comment
  RSA87938  Calochortus splendens Verne Grant 1954-6-10 9393 Riverside Keen Camp Summit, San Jacinto Mountains. Alt. 4900 ft. 1494 Comment
  UCR139161  Calochortus splendens S. J. Myers 2003-4-22 s.n. Riverside Murrieta Area, hill 1564 between Auld. Rd. and Benton Rd. near Pourroy Rd., south of Alamos School site, north of Tucalota Creek 477 Comment
  SEINET12045038  Calochortus weedii C. B. Wolf 1941-1 10899 Riverside Santa Ana Mts. Ortega Hwy, 0.3 mi E of its summit 762 Comment
  UCR137379  Calochortus weedii var. weedii S. J. Myers 1988-6-8 s.n. Riverside Santa Rosa Plateau, Along Via Majorca, between Avenida de Arboles and Paseo Montano, in the 'La Cresta' region 671 Comment
  CLARK-A1528-1794  Calycadenia tenella John C. Roos 1952-7-19 5816 Riverside Santa Ana Mountains 761 Comment
  RSA263764  Calycadenia tenella E. W. Lathrop 1968-6-2 6952 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. Comment
  RSA777335  Calycoseris wrightii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 832 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' Old mine access road 534 Comment
  UCR279515  Calycoseris wrightii A. C. Sanders, Jim Malusa 2017-3-27 43102 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, canyon 12 km NE (46 deg. ) of Bombay Beach, on both sides of the Imperial County line 305 Comment
  JOTR30966  Calyptridium monandrum La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1941 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge 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
  UCR80810  Calyptridium monandrum Scott D. White 1993-5-29 1441 Riverside San Bernardino Mtns, Banning Canyon, along the road to Raywood Flat, Yucaipa Ridge 1402 Comment
  UCR172788  Calystegia macrostegia Wayne Law, Jun Hu 2000-5-16 12 Riverside Peninsular Ranges; Santa Ana Mtns., Eastern edge of Cleveland National Forest, above Temescal Valley in Indian Canyon, 11.8 mi south of Corona 396 Comment
  UCR187502  Calystegia macrostegia Theresa Johnson 2006-3-31 011 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, off DeLuz Road at backside (edge) of ecological reserve, near Mesa de Burro 571 Comment
  RSA612940  Calystegia macrostegia subsp. arida D. L. Banks 1997-3-29 1637 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
  SJSU8764  Calystegia macrostegia subsp. intermedia G. E. Eberle 1962-12-27 77 Riverside upper end of Two Trees Rd, Riverside Comment
  RSA734501  Calystegia macrostegia subsp. tenuifolia Michael Wall 2008-5-31 465 Riverside San Jacinto Valley, Bautista Rd. south east of Hemet; along Bautista road, ca. 5.5 miles SE of Fairview Ave. 732 Comment
  RSA0043042  Camissonia arenaria Duncan S. Bell, Loraine Washburn 2014-4-8 6582 Riverside Orocopia Mountains; at the entrance to Petra Canyon in Red Canyon, approximately 1 air mile north of the Bradshaw Trail. 398 Comment
  RSA527851  Camissonia bistorta Scott D. White 1991-5-13 91 -82 Riverside Hwy 79, immediately W of U.S. Forest Service Campground at Dripping Springs. 549 Comment
  UCR101788  Camissonia bistorta George K. Helmkamp, E. A. Helmkamp 1997-3-5 1321 Riverside 2.8 mi SE of Gilman Hot Springs 518 Comment
  UCR10926  Camissonia boothii John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, rocky canyon 2.5 miles SE of Desert Center 610 Comment
  UCR117378  Camissonia boothii B. G. Pitzer 1998-2-1 3449 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, alluvial fan on north side of lakebed, from paved road down to lakebed 427 Comment
  RSA795922  Camissonia boothii subsp. desertorum Duncan S. Bell 2009-4-19 287 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  CLARK-A1528-5708  Camissonia brevipes John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  RSA0021232  Camissonia brevipes subsp. brevipes Jim Andre 2011-2-9 15929 Riverside Mecca Hills; along Box Canyon Road at upper end of gorge, approx. 6 miles SSE of Jct. with I-10, approx. 12 miles west of Chiraco Summit 284 Comment
  RSA49371  Camissonia brevipes subsp. brevipes P. A. Munz 1949-4-12 13040 Riverside Mojave Desert, SE part of Pinto Basin. sandy wash Comment
  POM17949  Camissonia californica P. A. Munz 1923-6-14 7107 Riverside Trail from Glen Ivy to Santiago Peak. 1006 Comment
  RSA192045  Camissonia californica E. W. Lathrop 1966-5-16 6326 Riverside Tenaja Grade, 2 miles SW of Murrieta on the Tenaja Road. Comment
  UCR121197  Camissonia californica D. E. Bramlet 1989-4-4 1788 Riverside Perris-Aguanga Basin Region, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  JOTR30963  Camissonia campestris subsp. campestris La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1938 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  UC217888  Camissonia campestris subsp. campestris P. A. Munz and I. M. Johnston 1922-5-7 5255 Riverside Keyes Ranch Little San Bernardino Mts. 1066 Comment
  RSA454733  Camissonia cardiophylla Anstruther Davidson 1903-05 s.n. Riverside Martinez Canon, Thermal. Comment
  RSA454736  Camissonia cardiophylla Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  JOTR31900  Camissonia cardiophylla subsp. cardiophylla La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2149 Riverside Joshua Tree National Park. West Cottonwood Mountains; bouldery side canyon leading into southeast Pinkham Wash Comment
  NY679520  Camissonia cheiranthifolia N. D. Atwood 1993-3-27 17699 Riverside Corona del Mar State Park along Newport Coast Drive. 0 Comment
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Jul 14 2012
  RSA449189  Camissonia claviformis subsp. aurantiaca Christopher Davidson 1979-4-4 7673 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  RSA679111  Camissonia confusa M. Wall, Sean Wall 2003-4-6 260 Riverside San Jacinto Valley, vacant lot off Ramona Expressway at Donna Ave. adjacent to Soboba Health Clinic. Property for sale for commercial development. 506 Comment
  UCR228884  Camissonia hirtella A. C. Sanders 2011-4-6 39021 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
  JOTR32959  Camissonia pallida subsp. hallii La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2710 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  JOTR35454  Camissonia pallida subsp. hallii Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 58 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop3) Comment
  POM91008  Camissonia pallida subsp. pallida E. C. Jaeger 1925-12-18 s.n. Riverside Eagle Canon, 5 miles east of Palm Springs 122 Comment
  UCR166849  Camissonia refracta Chet McGaugh 2005-1-27 s.n. Riverside Sonoran (Colorado) Desert, E of Salton Sea, along Coachella Canal between siphons 26-27 NE of Dos Palmas Spring 24 Comment
  JEPS29318  Camissoniopsis bistorta Rimo Bacigalupi and L. Heckard 1962-3-26 8414 Riverside roadside flat 2.2 mi nw Alberhill (headwaters of creek); Temescal Creek Comment
  SD254655  Camissoniopsis confusa B. Pitzer 1997-3-23 2993 Riverside Perris Aguanga Basin Region: Lakeviwer Mountains, ca.1 air mile SSW of Mt. Rudolph, along powerline road 0.3 mile E of Contour (Juniper Flats) Road (Lakeview 7.5'Q) 609 Comment
  UC398682  Camissoniopsis pallida subsp. pallida L. R. Abrams 1926-3-27 Riverside near the type station Cabazon Comment
Read comments
Mar 13 2011
  OBI83116  Cardamine californica Cecelia Call 1959-3-21 101 Riverside Tinmine Canyon, near Corona. Comment
  UC212056  Carex barbarae I. M. Johnston 1918-5-30 2022 Riverside Lee Lake Temescal Canyon 335 Comment
  UCD140179  Carex bolanderi P. Zika; N. Otting, K. Kramer 2010-8-6 25300 Riverside bridge over N Fork San Jacinto River, Dark Canyon, at campground. San Jacinto Mountains. 1785 Comment
  SBBG122758  Carex densa A. Parikh 1990-5-15 172 Riverside Santa Rosa Plateau Ecological Reserve, between Mesa de Colorado and Mesa de Burro, 0.6 km SE of jct of Tenaja Rd and Rancho California Rd 572 Comment
  CLARK-A1528-971  Carex diandra Patricia A. Andrews 1975-3-13 5899 Riverside Rubidoux Comment
  POM259174  Carex douglasii Phillip A. Munz 1938-8-13 15327 Riverside Cedar Spring, north base of Santa Rosa Peak. 2378 Comment
  UC472736  Carex fracta Mary Fiske Spencer 1919-6-19 Riverside Idyllwild 1615 Comment
  SBBG59305  Carex multicaulis R. Hoffmann 1929-9-8 Riverside San Jacinto Mtns 2133 Comment
  UCR128299  Carex multicaulis Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8653 Riverside San Jacinto Mtns, Idyllwild area; 'Strawberry Fuelbreak' between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek 1646 Comment
  UC834496  Carex praegracilis P. A. Munz 1922-7-4 5971 Riverside Hemet Valley San Jacinto Mts. 1371 Comment
  UCR129832  Carex praegracilis E. W. Lathrop 1959-5-17 4544 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau; 10 miles west of Murrieta Comment
  SD37198  Carex subfusca Darley F. Howe 1941-6-9 Riverside San Jacinto Mountains Comment
  SEINET7578801 Image available Carex triquetra Steve Boyd, Tim Ross, Orlando Mistretta 1992-3-31 6753 B Riverside Santa Ana Mountain, San Mateo Cyn Wilderness Area, Morgan Trail from Round Potrero W to jtn with Tenaja Tr in N-fork Bear Creek. 671 Comment
  RSA0011149  Carya illinoinensis A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37151 Riverside Box Springs Mtns. Foothills, Riverside, eastern side of UCR Campus in canyon below botanical garden 320 Comment
  CAS-BOT-BC353427  Castela emoryi B. D. Stark 1929-4-1 1268 Riverside Chuckawalla, Colorado Desert Comment
  SD148071  Castilleja affinis Andy C. Sanders, M. Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23899 Riverside Perris-Aguanga Basin Region: Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta 395 Comment
  SEINET10582737  Castilleja affinis Rimo Bacigalupi 1952-4-1 Bacigalupi 3595 Riverside At edge of chaparral, southeastner end of Pauba Valley, along State Highway No. 71, 12 miles west of Aguanga. 427 Comment
  UC885366  Castilleja applegatei subsp. martinii C. Epling and Wm. Robison 1935-6-30 Riverside above Marion Camp (Mt. San Jacinto); Mt. San Jacinto Comment
  SEINET238798 Image available Castilleja exserta Mitch Provance 2000-5-5 2013 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 Rd. 427 Comment
  RSA0013616  Castilleja exserta subsp. exserta LeRoy Gross, Duncan S. Bell 2013-4-30 6023 Riverside Surveyed from Apela Drive, right at junction of road to sewage disposal ponds, south to Strawberry Creek. Started near 33.73367N, 116.75074W. And ended at 33.72912N 116.75098W. 1510 Comment
  UC68759  Castilleja exserta subsp. exserta H. M. Hall Apr 1905 5761 Riverside Palm Springs; Colorado Desert 152 Comment
  RSA652577  Castilleja foliolosa Jeanne Bellemin 1969-5-24 s.n. Riverside Banning to [Idyllwild]. 976 Comment
  SD137615  Castilleja foliolosa Darin L. Banks 1995-3-15 73 Riverside NW Palomar Mtns., Agua Tibia Wilderness Area, N face of Agua Tibia Mtn. area. 789 Comment
  UC1012297  Castilleja foliolosa F. W. Pennell and A. L. Grant 1940-4-28 25280 Riverside e of Hemet (Route 74) 548 Comment
  RSA706  Castilleja linariifolia J. T. Howell 1927-8-1 526 Riverside Mission Creek, Colorado Desert. 610 Comment
  SEINET10964385  Castilleja miniata David B. Dunn 1946-8-18 Dunn 2748 Riverside Wellman. Sieniga springs on trail peak. San jacinto mtns. Comment
  RSA0010912  Castilleja minor subsp. spiralis Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2136 Riverside Santa Rosa Mountains. Comment
  UCR164574  Castilleja minor subsp. spiralis S. J. Myers 2001-7-16 s.n. Riverside Peninsular Range; San Jacinto Mtns, Bautista Canyon 951 Comment
  UCR233081  Castilleja minor subsp. spiralis T. B. Salvato, Richard Camacho 2011-6-12 5496 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
  RSA0010915  Castilleja minor subsp. spiralis Philip A. Munz 1922-6-23 5767 Riverside Keen Camp, San Jacinto Mountains. 1524 Comment
  RSA502506  Castilleja minor subsp. spiralis Steve Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3565 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  POM99007  Caulanthus cooperi E. C. Jaeger 1926-4-24 s.n. Riverside White Tanks, Pinto Mts. 1128 Comment
  RSA495458  Caulanthus heterophyllus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2986 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  UC75765  Caulanthus heterophyllus Miss M. Alice King March, 1893 Riverside bet. Elsinore and Menifee; bet. Elsinore and Menifee Comment
  UCR104610  Caulanthus heterophyllus B. G. Pitzer 1997-4-11 3117 Riverside Lakeview Mtns, Pulsar View Road (dirt), at sharp turn in road c. 1 mi. (air) NE of Juniper Flat Road, and c. 3/4 -1 mi. by road from the base of the hills. C. 3/4 mi. (airline) SE of Mt. Rudolph (measured from BM 'Nelson') 610 Comment
  UCR68333  Caulanthus heterophyllus R. Montijo 1991-4-18 91- 2 Riverside Peninsular Range, south of Lake Matthews, Ona Knoll Dr. c. 1 mi south of Cajalco Rd. 640 Comment
  UCR70889  Caulanthus heterophyllus Steve Boyd, L. Arnseth, Yvonne Rasmussen, F. M. Cota 1990-5-3 4528 Riverside Peninsular Range, Vail Lake area, at jct of Hwy R3 and Powerline Road NE of the Lake 671 Comment
  SBBG101701  Caulanthus lasiophyllus S. Boyd with T. Ross, M. Hammitt 1991-5-2 6103 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
  RSA527664  Caulanthus lasiophyllus var. rigidus Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3844 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  RSA212928  Caulanthus simulans L. B. Ziegler 1996-4-6 s.n. Riverside Pinyon Flats east of San Jacinto Mts. 1524 Comment
  SBBG101779  Caulanthus simulans S. Boyd with T. Ross, M. Hammitt 1991-5-2 6023 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
  RSA398893  Ceanothus crassifolius M. B. Dunkle 1935-3-3 4354 Riverside San Juan Canyon. 762 Comment
  UCR113593  Ceanothus crassifolius A. C. Sanders 1998-1-15 21629 Riverside Lake Skinner area, Black Mtn., along road up north side 884 Comment
  CLARK-A1528-793  Ceanothus cuneatus C. M. Flanagan 1973-5-20 OO 520 Riverside Morongo Indian Reservation 1158 Comment
  LA42051  Ceanothus cuneatus Mary V. Hood; 1944-4-4 44- 17 -k* Riverside Between Agaunga & Oak Grove 609 Comment
  UCR22043  Ceanothus cuneatus Steve Boyd 1980-5-22 300 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau. east of the trailer park, E side of Gavilan Rd 625 Comment
  UC870524  Ceanothus cuneatus var. cuneatus I. W. Clokey and E. G. Anderson 1935-4-16 6733 Riverside e of Hemet 560 Comment
  POM254865  Ceanothus integerrimus var. integerrimus W. Pequegnat 1940-7-1 s.n. Riverside Santiago Peak. 1735 Comment
  CAS-BOT-BC51276  Ceanothus leucodermis Lyman Benson 1932-3-26 3186 Riverside Summit Temecula Grade 609 Comment
  UCD162843  Ceanothus leucodermis D. O. Burge 2015-3-17 1693 Riverside Rainbow area. 410 Comment
  GMDRC6545  Ceanothus perplexans J. M. Andre 2012-6-15 30497 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
  UCR399  Ceanothus perplexans John Milbauer 1976-5-1 s.n. Riverside San Jacinto Mtns., north slope of Mt. San Jacinto, [at/near Mt. Edna Rd.] 6 mi. SE of Banning on Hwy 243 1159 Comment
  UCR60865  Ceanothus perplexans Steve Boyd, C. Boyd, K. A. Boyd 1989-4-15 3251 Riverside San Jacinto Mtns., Anza Valley, along Hwy 371, 0.5 mi south of the junction with Hwy 74 1463 Comment
  UCR34442  Ceanothus prostratus A. C. Sanders 1984-7-1 4696 Riverside San Jacinto Mtns., In experimental plots behind the Vista Grande Guard Station on Hwy 243 about 10 miles south of Banning 1494 Comment
  OBI77023  Ceanothus tomentosus H. E. McMinn 1935-3-28 4120 Riverside Along main hwy between Redlands and Beaumont, 5 mi E of Redlands Comment
  CAS-BOT-BC63251  Ceanothus tomentosus var. olivaceus R. Bacigalupi 1935-3-28 2336 Riverside Along U.S. Highway 99, 5 mi. e. of Redlands. Comment
  CAS-BOT-BC63253  Ceanothus tomentosus var. olivaceus M. French Gilman 1928-3-13 s.n. Riverside Canyon on n. slope of San Jacinto Mts. bet. Cabazon and Whitewater. Comment
  CAS-BOT-BC279119  Centromadia pungens subsp. laevis G. R. Ballmer 1992-6-23 92 -10 Riverside San Timoteo Canyon Road, 3.2 mi. E of junction with Redlands Blvd. N side of railroad tracks Comment
  JOTR31184  Centrostegia thurberi La Doux, Tasha, G. Clifton 2009-5-14 1981 Riverside Joshua Tree National Park. (Stop 1)Little San Bernardino Mountains, Upper Covington Flats, west of trail head 1474 Comment
  RSA605745  Cerastium glomeratum A. C. Sanders, G. K. Helmkamp 1996-3-17 17983 Riverside Coachella Valley: Palm Springs, mouth of Palm Canyon, ca. 0.5km E of Palm Canyon Dr. on Bogert trail. 163 Comment
  UCR127564  Cerastium glomeratum A. C. Sanders, T. B. Salvato 2003-5-21 26793 Riverside Elsinore Valley, Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  RSA585630  Cerastium glomeratum D. L. Banks, Steve Boyd 1995-3-15 0065 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 689 Comment
  CLARK-A1045-152  Cerastium viscosum George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains vernal pools near origin of creek; Wildomar 7.5'Q Comment
  UC68619  Cercidium floridum subsp. floridum H. M. Hall Apr. 1905 5931 Riverside McCoy Wash Colorado Desert Comment
  LA47736  Cercocarpus betuloides Elizabeth McClintock; 1936-7-19 sn Riverside San Jacinto Mountains, Idyllwild Comment
  RSA1787  Cercocarpus betuloides Carl B. Wolf 1931-5-11 s.n. Riverside Near Pipe Creek, above Hemet Valley, San Jacinto Mountains. 1677 Comment
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Mar 24 2011
  UCR79226  Cercocarpus minutiflorus Steve Boyd, T. S. Ross 1992-2-21 6669 Riverside Santa Ana Mtns., Southern part of Mtns., San Mateo Canyon Wilderness Area. Potrero de la Cienega area along Morgan Trail from Morrell Canyon south 854 Comment
  SEINET1782974  Cereus munzii Philip A. Munz 1922-5-21 5570 Riverside San Jacinto Mountains: Hemet Valley: 2 mi NW of Kenworthy. [County not given on label.] 1418 Comment
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Feb 22 2014
  POM12998  Chaenactis artemisiifolia Philip A. Munz, I. M. Johnston 1922-5-19 5405 Riverside San Jacinto Canyon, near canyon bed at mouth of Strawberry Creek 762 Comment
  UC1718083  Chaenactis artemisiifolia John S. Mooring 1962-5-15 620515 -5 Riverside along Bautista Canyon Road ca. 8 miles SE of Valle Vista. Comment
  CDA7360  Chaenactis carphoclinia G. D. Barbe, T. C. Fuller 1973-2-27 1058 Riverside 1.3 miles east of Coachella Canal on Highway 195, Box Canyon Wash, east of Mecca. 0 Comment
  RSA727395  Chaenactis carphoclinia Naomi Fraga, Lisa Rojas 2005-2-10 1384 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  UCR166531  Chaenactis carphoclinia Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10882 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  POM66615  Chaenactis carphoclinia var. carphoclinia Marcus E. Jones 1906-4-30 s.n. Riverside Indio. Comment
  RSA4876  Chaenactis carphoclinia var. carphoclinia C. B. Wolf 1932-4-27 2992 Riverside Colorado Desert, 14 miles E. of Mecca on Blythe Road 152 Comment
  RSA761043  Chaenactis carphoclinia var. carphoclinia Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-4-21 154 Riverside N of Desert Center. Jct of Hwy 177 and Kaiser Rd. W of Kaiser Rd. N of Hwy 177. 335 Comment
  CDA7365  Chaenactis carphoclinia var. peirsonii A. C. Browne 1957-4-6 Riverside 51 miles east of Indio. 0 Comment
  CAS-BOT-BC276909  Chaenactis fremontii Palmer Stockwell 1940-4-24 1507 Riverside 1 mile E of Banning Comment
  JOTR38681  Chaenactis fremontii Hodges, Stephen R. 2017-2-7 697 Riverside Joshua Tree National Park. Little San Bernardino Mountains, West Deception Canyon, near the mouth of the canyon just north of the park boundary Comment
  POM182083  Chaenactis fremontii Philip A. Munz 1932-3-14 11979 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  POM288432  Chaenactis fremontii Lyman Benson 1933-3-31 4166 Riverside US 66, 10 miles E of Palm Springs, San Jacinto Mt. Range, Colorado Desert Watershed. 244 Comment
  RSA0039604  Chaenactis fremontii Deidre Conocchioli, Duncan S. Bell 2014-3-4 142 Riverside Off the Pacific Crest Trail in the San Bernardino Mountains. In Whitewater Canyon 8.5 miles E of Hwy-62. Just S of Red Dome. 695 Comment
  RSA21754  Chaenactis fremontii C. B. Wolf 1937-4-6 8426 Riverside Coachella Valley, 2 mi. NE. of Edom 30 Comment
  RSA504982  Chaenactis fremontii D. Charlton 1988-2-25 1225 Riverside S side of Little San Bernardino Mountains, Fargo Canyon Road and Dillon Road, S side of Joshua Tree Nat'l Park, parallel to I-10, 5 miles E of jct Dillon Road and Fargo Canyon Road 610 Comment
  RSA678217  Chaenactis fremontii Valerie L. Soza, J. Mark Porter, Gary D. Wallace 2001-4-2 1084 Riverside Little San Bernardino Mountains region: Big Morongo Wash. 473 Comment
  SD232175  Chaenactis fremontii Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10462 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
  UC1718086  Chaenactis fremontii John S. Mooring 1962-3-10 569 Riverside Whitewater Canyon ca. 0.5 miles N of hwy 60-70 Comment
  UCR124630  Chaenactis fremontii B. C. Templeton, I. W. Clokey 1930-4-9 1083 Riverside Sonoran (Colorado) Desert, North of Palm Springs 400 Comment
  CAS-BOT-BC277402  Chaenactis glabriuscula var. glabriuscula Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  RSA27591  Chaenactis glabriuscula var. glabriuscula C. L. Hitchcock 1940-4-12 6038 Riverside 8 mi. northwest of Elsinore 457 Comment
  RSA339650  Chaenactis glabriuscula var. glabriuscula R. F. Thorne 1980-5-28 54235 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
  JOTR35304  Chaenactis stevioides Andre, Jim 2012-4-11 20803 Riverside Joshua Tree National Park. western margin of Eagle Mountains, along road to Cottonwood Spring (Utah Trail), 0.7mi N of Cottonwood Visitor Center 956 Comment
  RSA777813  Chaenactis stevioides Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 852 Riverside Chuckwalla Mountains, Chuckwalla Mountains Wilderness, off Corn Spring Road, main wash adjacent Corn Spring Road, draining from Corn and Aztec Springs up on Chuckwalla, flowing NNE 396 Comment
  RSA779693  Chaenactis stevioides Duncan S. Bell 2010-4-2 704 Riverside Arica Mountains: along jagged ridgeline of mountain range; in the Palen/McCoy wilderness; collecting on a sand ramp located just below the ridgeline on the eastern side that was trapped between the ridgeline and the steep narrow rocky canyons below it. 595 Comment
  RSA0018884  Chamaesyce abramsiana Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6019 Riverside Chuckwalla Valley; approximately 22.25 air miles west of Blythe, south side of Ford Dry Lake, about 0.5 air mile southeast of Hopkins Well. 107 Comment
  RSA779928  Chamaesyce abramsiana Marc Baker, Alice Karl 2011-10-5 17473 Riverside Just west of Black Creek Road, 8.7 km NW of the summit of McCoy Peak, 21 km NW of Blythe, lower bajada on the east flank of the McCoy Mountains 171 Comment
  RSA651898  Chamaesyce albomarginata W. H. Grady 1948-4-24 s.n. Riverside Found 8 mi. west of Riverside at edge of dry grain field. 243 Comment
  RSA774724  Chamaesyce polycarpa Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4504 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA734745  Chamaesyce serpillifolia L. C. Wheeler 1945-10-6 6147 Riverside San Jacinto Mountains. 1/2 mi. east of Ranger Peak. 1371 Comment
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Feb 17 2013
  JOTR30084  Chamaesyce setiloba La Doux, Tasha, Bill Truesdell 2006-10-3 1905 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 Comment
  UCR215077  Cheilanthes covillei Justin M. Wood 2009-3-10 340 Riverside San Jacinto Mountains, Hwy 243, near base of the mountains, 0.5 mi up the hwy from Smith Creek Bridge 774 Comment
  UCR20821  Cheilanthes newberryi A. C. Sanders, Steve Boyd 1980-5-2 00959 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR281108  Cheilanthes newberryi Mitch Provance, Jeremiah George 2017-3-21 317- 14 Riverside Temescal Valley, N of Hwy 15, and adjacent to S side of Temescal Canyon Rd., above Horsethief Wash (E branch impeded by development) 370 Comment
  POM173359  Cheilanthes parryi C. C. Parry, J. G. Lemmon 1876-04 s.n. Riverside Colo. desert side of Mt. San Jacinto. Comment
  CAS-BOT-BC70376  Cheilanthes viscida Annie M. Alexander; Louise Kellogg 1941-5-21 2214 Riverside North slope of Eagle Mountains 1158 Comment
  UCR120310  Chenopodium Mitch Provance 1997-6-18 1102 Riverside City of Riverside, Riverside Community College, between the NE (back) parking lot and Prospect Dr. 244 Comment
  UCR174428  Chenopodium A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32476 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR189546  Chenopodium ambrosioides Fred M. Roberts, S. Leatherman 2007-9-19 6583 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  SD247396  Chenopodium berlandieri Andy Sanders 2013-7-7 40860 Riverside Peninsular Range; San Jacinto Mountains: near central Idyllwild, west side of Highway 243 at road junction to Astrocamp (Saunders Meadow Road) and 0.15 kilometer northeast of Tollgate Road junction. 1595 Comment
  CLARK-A1528-4990  Chenopodium californicum John C. Roos 1951-9-25 5301 Riverside Riverside 259 Comment
  RSA750735  Chenopodium californicum Scott D. White, Justin M. Wood 2009-5-22 12900 Riverside San Jacinto Mountains: Quinn Flat Meadow. 1372 Comment
  UCR113596  Chenopodium missouriense A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23683 Riverside Santa Ana River Valley, SW side of Mt. Rubidoux, NW of intersection of Tequesquite Ave. and Gregory Rd., near confluence of Arroyo Tequesquite and the river 232 Comment
  UCR26984  Chenopodium murale E. W. Lathrop 1966-5-8 6474 Riverside Peninsular Range; Santa Ana Mountains, Cleveland National Forest, Hagador Canyon, Trabuco District, 3 miles SW of Corona 275 Comment
  RSA621502  Chenopodium pumilio D. L. Banks 1997-11-15 2199 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, on the north side of the Dorland Mountain Arts Colony. Along the margins of a small man-made pond. 549 Comment
  UCR167682  Chenopodium rubrum T. B. Salvato, Melissa Clemons 2005-6-23 1299 Riverside Peninsular Range; Temescal Valley, Walker Canyon, 1.5 mi due east of Alberhill, N of Hwy I-15 412 Comment
  UCR17116  Chilopsis linearis J. W. Stubblefield 1969-5-10 S.N. Riverside Little San Bernardino Mtns, Big Morongo Canyon. 1.7 mi E on jeep road from Indian Ave. 305 Comment
  CAS-BOT-BC231789  Chilopsis linearis Nancy Ryan Zabriskie; Walter Zabriskie 1970-3-28 275 Riverside In dry stream bed of North Canyon just above juncture with Andreas Canyon; east slope San Jacinto Mountains 350 Comment
  RSA33620  Chilopsis linearis subsp. arcuata N. C. Cooper 1944-7-15 1548 Riverside Palm Springs. 122 Comment
  UCR101185  Chloracantha spinosa L. C. Wheeler 1955-6-10 7153 Riverside Sonoran (Colorado) Desert, 2 mi. west of Blythe Comment
  UCR108717  Chorizanthe brevicornu Scott D. White, Pam DeVries 1998-2-9 6078 Riverside Coachella Valley, La Quinta/Palm Desert Area: Whitewater River Channel at & near Miles Ave. crossing 30 Comment
  JOTR31924  Chorizanthe brevicornu var. brevicornu La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2166 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; west Pinkham Wash, west of Pinkham Canyon Road; sandy gravel flats near road Comment
  RSA772060  Chorizanthe brevicornu var. brevicornu Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4626 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UC849122  Chorizanthe brevicornu var. brevicornu C. L. Hitchcock 1940-3-30 5876 Riverside Cottonwood Spring Comment
  CAS-BOT-BC191854  Chorizanthe corrugata Frank W. Peirson 1927-4-12 7175 Riverside Painted Canyon, near camp at forks Comment
  RSA0120321  Chorizanthe corrugata Duncan S. Bell 2016-3-13 8923 Riverside Whitewater Canyon; in the vicinity of Painted Hill, approximately 2.5 air miles southeast of the Ranger Station (trout pond). 613 Comment
  UCR43174  Chorizanthe fimbriata var. fimbriata B. G. Pitzer, Karen Kirtland 1986-5-20 0223 Riverside Butterfield Stage Ranch development, in the hills on the north side of Pauba Valley in the Rancho California area, 1 mi south of Buck Mesa on the east side of Butterfield State Road 457 Comment
  RSA392689  Chorizanthe leptotheca H. de Forest, Jack Rempel 1933-6-25 s.n. Riverside San Jacinto Mts. Comment
  UCR215794  Chorizanthe parryi var. parryi Anuja Parikh 1990-4-27 161 Riverside southwest of Crown Valley, west of Rawson Canyon, 1.7 km southwest of the intersection of Crown Valley Road and Rawson Road 666 Comment
  UCR217548  Chorizanthe parryi var. parryi Diane Menuz 2008-6-20 473 Riverside San Bernardino Mtns. foothills, Bogart County Park, c. 350 m SW of fishing pond 987 Comment
  UCR37414  Chorizanthe parryi var. parryi Steve Boyd 1981-5-22 s.n. Riverside Lakeview Mountains, 3 mi ESE of Lakeview below the summit of Mt. Rudolf 795 Comment
  RSA596943  Chorizanthe polygonoides var. longispina D. E. Bramlet 1995-4-26 2396 Riverside Shipley multi species reserve; Beside (E.) equestrian trail above a large ephemeral wash and approximately 122m SW of Tucalota Creek. The site is 610m north of access road BM 1487. 488 Comment
  RSA720446  Chorizanthe polygonoides var. longispina Naomi Fraga, Valentin Arvizu, Elizabeth Kempton, Tim Thibault 2006-6-7 1697 Riverside East of Fobes Ranch Road, about 1/2 mile south of Fobes Ranch. 1616 Comment
  UCR121172  Chorizanthe polygonoides var. longispina D. E. Bramlet 1993-5-10 2349 Riverside Lake Skinner area, Lake Skinner County Park, 500 ft. (~0.1 mi.) west of 'Old' Warren Road and 4,700 ft. (~0.9 mi.) SE of the lake, and 20 ft. north of the access road. 486 Comment
  UCR249922  Chorizanthe polygonoides var. longispina A. C. Sanders, Steve Boyd, Fred M. Roberts, Robt. L. Allen 2009-4-9 36791 Riverside Peninsular Range; Santa Ana Mtns., Elsinore Peak, c. 0.4 mi. SE of the summit 1014 Comment
  UCR48397  Chorizanthe polygonoides var. longispina Steve Boyd 1986-5-1 1796 Riverside Perris-Aguanga Basin region, southwestern Perris Basin, hill west of Skunk Hollow, Skunk Hollow vernal pool 488 Comment
  JOTR35040  Chorizanthe rigida La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3493 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road on south-facing bajada among sonoran desert riparian washes. Comment
  SEINET3087439 Image available Chorizanthe xanti subsp. leucotheca Robert F. Thorne, C. W. Tilforth 1980-5-28 54223 Riverside San Bernardino Mtns.; rocky and sandy wash along Whitewater River, 3.2 mi. north of White Water post office and Highway 10 518 Comment
  RSA314670  Chorizanthe xanti var. leucotheca Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55494 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  UCR58723  Chrysolepis sempervirens Reid Moran 1973-7-28 21107 Riverside Santa Rosa Mtns, Summit of Toro Peak 2500 Comment
  POM351997  Chrysothamnus nauseosus subsp. mohavensis P. A. Munz 1946-10-19 11572 Riverside Upper end of Palm Canyon at jct of hwy 74 and road to old Santa rosa Indian Village 1220 Comment
  JEPS23478  Chylismia arenaria Marjorie D. Clary 1932-12-18 1715 Riverside Clemens Well Colorado Desert, Orocopia Mountains (at foot of mountains) 243 Comment
  SDSU8600  Chylismia brevipes subsp. brevipes Pamela A. Beare 1992-3-13 13 III92D Riverside Just north of Box Canyon Road, approx. 7 miles ca. east of Painted Canyon Road, east of Mecca 280 Comment
  CAS-BOT-BC160596  Chylismia claviformis subsp. aurantiaca Ira L. Wiggins 1941-3-24 9607 Riverside 6 miles northeast of Niland, on road to Beal Well Comment
  JOTR33760  Chylismia claviformis subsp. aurantiaca La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2758 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Gneiss outcrop on edge of large sandy wash in wide canyon that feeds southwest into Wilson Canyon (Stop 6) Comment
  JOTR34021  Chylismia claviformis subsp. aurantiaca La Doux, Tasha, M. Harding 2010-4-7 2908 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
  UC1184367  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-1-23 11420 Riverside along US Hwy 99 8.6 mi w Thousand Palms turnoff Comment
  CAS-BOT-BC162784  Chylismia claviformis subsp. claviformis D. E. Breedlove 1962-3-11 1889 Riverside 3 miles southwest of Palm Desert 426 Comment
  JEPS23425  Chylismia claviformis subsp. peirsonii Newlon 1922-4-2 418 Riverside hwy between Westmoreland and Indio; Colorado Desert Comment
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Apr 3 2011
  UC1175017  Cirsium occidentale var. californicum P. C. Everett, E. K. Balls, L. W. Lenz 1959-5-29 23821 Riverside 7.9 mi from Banning (on road to Idylwild, San Jacinto Mountains); San Jacinto Mountains Comment
  UCR241655  Cirsium occidentale var. californicum T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 368 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  UCR47056  Cirsium occidentale var. occidentale E. J. Lawlor 1987-4-26 43 Riverside San Timoteo Badlands, Redlands Blvd, 2.2 mi. north of Hwy 60 640 Comment
  RSA502519  Cirsium occidentale var. occidentale Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3574 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  UC1543178  Cirsium scariosum Donald G. Nelson 1936-5-24 418 Riverside just n Hurkey Creek Camp (near earthen ditch carrying water to the dude ranch across the stream, on Pines to Palms Highway, San Jacinto Mts. e slope, just <?> of Lake Hemet. . .); San Jacinto Mts. Comment
  RSA4964  Cistanthe monandra C. B. Wolf 1932-4-27 3033 Riverside Colorado desert, 3/4 mile west of Utopia on Mecca-Blythe road 152 Comment
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Dec 11 2011
  RSA221049  Clarkia bottae E. W. Lathrop 1966-5-17 6543 Riverside 4 mi. W of Corona, between Tin Mine Canyon and Santiago Peak. 610 Comment
  CAS-BOT-BC172109  Clarkia dudleyana Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  RSA527877  Clarkia epilobioides Scott D. White 1991-5-10 91 -120 Riverside Hwy 79, immediately W of U. S. Forest Service campground at Dripping Springs. 549 Comment
  CAS-BOT-BC163866  Clarkia purpurea subsp. quadrivulnera Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild Comment
  CSUSB228  Clarkia purpurea subsp. quadrivulnera Lynn Baasch 1971-5-22 Riverside DeLuz Road, 4 miles north of Garnsay's Lake, southeast of road, grassey bank. Comment
  UC20332  Clarkia purpurea subsp. quadrivulnera H. M. Hall July, 1901 2262 Riverside Fuller's Mills Mountains San Jacinto Mountains 1584 Comment
  UCR97289  Clarkia purpurea subsp. quadrivulnera S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  UC1422887  Clarkia rhomboidea Raven 1957-7-26 11085 Riverside 0.9 mi n Vista Grande Ranger Station (Banning to Idyllwild road, 1.9 mi s of road to Poppet Flat); San Jacinto Mountains Comment
  UCR213472  Clarkia unguiculata A. C. Sanders 2010-5-19 38417 Riverside Peninsular Range/San Bernardino Valley, Riverside, western end of North Hill, edge of Fairmont Park, above intersection of Redwood Dr. and Randall Rd. 250 Comment
  RSA614412  Claytonia perfoliata D. L. Banks 1997-3-16 1545 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
  UCR174047  Claytonia perfoliata A. C. Sanders 2006-5-19 32460 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
  UCR103898  Claytonia perfoliata subsp. mexicana B. G. Pitzer 1997-4-12 3129 Riverside Lakeview Mtns, Pulsar View Road, c. 3/4-1 mi. by road uphill from the base of the hills at the end of Warren Road (very short dirt road); c. 1 mi. airline NE of Juniper Flats Road. Approx. 0.9 mi. airline SW of Mt. Rudolph (measured from BM 'Nelson'). 610 Comment
  SEINET10675007  Claytonia perfoliata subsp. perfoliata Greg Gust, Leith Nye 2005-3-12 Gust 556 Riverside Cleveland National Forest. Hwy 74 west of lower San Juan Picnic Area at pullout W side of Santa Ana Mountain Range. 495 Comment
  UCR121661  Claytonia perfoliata subsp. perfoliata A. C. Sanders 1997-3-19 20022 Riverside Lake Skinner area, Lower Rawson Canyon at 3-way road junction (heron rookery site) c. 1 km NE of the lake 457 Comment
  RSA180259  Clematis pauciflora E. W. Lathrop 1965-3-30 5593 Riverside Tenaja Guard Station, 16 mi. W of Murrieta. Comment
  RSA585795  Clematis pauciflora D. L. Banks, S. D. Boyd 1995-5-9 422 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, W of the Dripping Springs Alcove, W of Woodchuck Campground. 710 Comment
  RSA23235  Cleome isomeris Ernest Braunton 1940-4-3 2025 Riverside Berdoo Canyon, 10 mi. E. of Indio. 304 Comment
  UC26586  Collinsia concolor H. M. Hall Jun 1901 2025 Riverside San Jacinto Mtns 1371 Comment
  RSA0117400  Collinsia concolor N. C. Cooper 1945-5-24 1642 Riverside Big Oaks Canyon, Banning. 1220 Comment
  RSA0117411  Collinsia concolor John Olmsted 1958-6-15 177 Riverside May Valley Truck Trail 2 mi. SE of Saunder's Meadow SW of Idyllwild Calif. (turn S from Idyllwild-Hemet Rd. at Idyllwild school.) 1646 Comment
  RSA359865  Collinsia concolor Steve D. Boyd 1986-4-2 1616 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  POM147901  Collinsia heterophylla J. B. Feudge 1927-5-18 1602 Riverside West of Moreno Grade, near Moreno. 671 Comment
  UCR115429  Collinsia heterophylla Scott D. White, D. E. Bramlet 1999-4-22 7240 Riverside Lake Skinner area, Ridgetop, north, west, and northwest facing slopes of Bachelor Mtn. 762 Comment
  POM48732  Collomia grandiflora P. A. Munz, I. M. Johnston 1924-7-29 8827 Riverside 5 miles SE of Poppet Flat, San Jacinto Mtns. 1372 Comment
  SEINET2445248  Collomia grandiflora T. B. Salvato, John F. Green 2004-5-27 550 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. Forest Falls 7.5' Q.; 0 1341 Comment
  CLARK-A1528-3912  Colubrina californica John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  SBBG54139  Colubrina californica C. S. Jones 1979-3-27 41 Riverside wash ca. 5 mi N of Interstate 10, 4 mi W of Desert Center 426 Comment
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Mar 15 2013
  UCR48505  Conium maculatum Steve Boyd 1986-4-22 1727 Riverside Temescal Canyon, Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mountain and Gavilan Hills 427 Comment
  UCR176669  Conyza bonariensis G. S. Nuessly 1980-10-19 s.n. Riverside Moreno Valley, U.C. Riverside, Moreno Field Station, east of Lasselle St. 457 Comment
  UCR227723  Cordylanthus rigidus Duncan S. Bell, Joy England 2010-6-7 1274 Riverside San Jacinto Mountains, San Bernardino National Forest, Rouse Ridge, c. 3 air miles southeast of the junction of Hwy 74 and Forest Service Road 5S15 1057 Comment
  JOTR35161  Cordylanthus rigidus subsp. setiger Harding, Mitzi, T. Herskovits 2011-9-14 159 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam 1304 Comment
  SFV20152  Corethrogyne filaginifolia J. N. Hogue, S. G. Hogue, J. M. Wrublik 2005-9-4 261 .6 Riverside Santa Rosa Mountains Garnet Queen Creek at Santa Rosa Mountain Truck Trail (=USFS Road 7S02). 4.8 miles from Highway 74. 1865 Comment
  UC895237  Corethrogyne filaginifolia I. W. Clokey and E. G. Anderson 1935-8-21 6961 Riverside e Keen Post Office; Hillside 1350 Comment
  UCD117136  Cornus glabrata A. C. Sanders; T. Tennant 1997-11-14 21596 Riverside San Bernardino Mtns.: Morongo Indian Reservation, W end of Burro Flats. 1159 Comment
  RSA757466  Crassula aquatica R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55210 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road. 730 Comment
  UCR155151  Crassula aquatica A. C. Sanders, Kelly Volansky 2005-3-17 29200 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
  UCR213279  Crassula connata A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37692 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 378 Comment
  UCR96814  Crassula connata Scott D. White 1993-3-12 1179 Riverside Near Winchester 466 Comment
  UCR111566  Crassula tillaea Mitch Provance 1999-5-4 1690 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  RSA735852  Cressa truxillensis Scott D. White, Justin M. Wood 2008-4-15 11875 Riverside Perris Valley: Interstate 215, between Nuevo Rd and Scott Rd. 427 Comment
  NY268564  Crossosoma bigelovii P. A. Munz 1952-5-2 16235 Riverside Dry Morongo Wash, n.w. end of Coachella Valley. 457.2 Comment
  RSA2103  Crossosoma bigelovii C. B. Wolf 1929-3-3 1027 Riverside Millard Canyon, above Cabazon 183 Comment
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Mar 13 2011
  SD232668  Crossosoma bigelovii A. C. Sanders, K. Rose 1995-4-5 16349 Riverside San Bernardino Mtns. / Coachella Valley: alluvial slopes and foothills S of Mission Creek and E of Hwy 62. 519 Comment
  VVC190  Crossosoma bigelovii A. C. Sanders 1995-4-5 16349 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  RSA780241  Croton californicus Stephanie Rockwood, Christi Gabriel 2011-10-12 098 Riverside Rice Valley. Highway 62 to to Blythe Rice Road. About 1 mile from highway. 229 Comment
  SD109108  Croton californicus Grady L. Webster, R. Hildreth 1966-12-11 7474 Riverside Aguanga Valley, hillsides above Aguanga. 640 Comment
  RSA480702  Croton californicus var. mohavensis H. de Forest 1924-3-28 s.n. Riverside Palm Springs. Comment
  CLARK-A1528-2689  Croton californicus var. tenuis John C. Roos 1951-9-25 5297 Riverside Santa Ana River 259 Comment
  UCR111984  Croton setiger A. C. Sanders, T. B. Salvato 2000-5-25 23413 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  IRVC28961  Cryptantha Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9026 Riverside Ca. 0.05 mi. S on Santa Rosa Mtn. Road from Hwy 74. Peninsular Ranges, Santa Rosa Mountains Comment
  JEPS67463  Cryptantha angustifolia W. L. Jepson 1927-4-12 11636 Riverside Painted Canyon Colorado Desert, Mecca Hills 76 Comment
  JEPS67466  Cryptantha angustifolia W. L. Jepson 1914-5-18 6026 Riverside n of Indio (County Well in Pinyon Well Mts., Conchilla Mts.); Colorado Desert, Conchilla Mts., Pinyon Well Mts. 304 Comment
  RSA479850  Cryptantha angustifolia L. F. LaPre, K. Campbell 1988-4-1 s.n. Riverside Colorado Desert, Palo Verde Mesa, W of Blythe. South of Hwy 1-10 at the W end of 16th St. (approx sec. 4) 99 Comment
  RSA793414  Cryptantha angustifolia Naomi Fraga, David Fraker, Brett Griffin 2012-3-15 3949 Riverside Off of Box Canyon Rd. S. of Shaver well in a wash. 229 Comment
  RSA796326  Cryptantha angustifolia Duncan S. Bell 2009-4-18 210 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  SEINET3083720 Image available Cryptantha angustifolia E. R. Blakley 1966-4-9 6749 Riverside Jct. US. 60-70 & Wiley Well Rd. ca 15 mi. west of Blyth. Comment
  UCR245251  Cryptantha angustifolia Jim Andre 2012-3-19 21300 Riverside Sonoran (Colorado) Desert, north end of Orocopia Mountains, 0.5 mi. south of junction of Box Canyon Rd and I-10 Fwy, 23 miles east of city of Coachella 470 Comment
  UCSB10423  Cryptantha angustifolia Long, Frances 1939-12-31 Riverside Indio Comment
  SEINET10455851  Cryptantha angustifolia David B. Dunn 1946-3-15 Dunn 2044 Riverside On same sheet as Dunn 3732, UMO 47597. 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
  RSA0042159  Cryptantha barbigera Duncan S. Bell, Evan Meyer 2014-4-2 6513 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  UCR132755  Cryptantha barbigera George K. Helmkamp 1984-5-2 D- 26 Riverside Little San Bernardino Mountains, Big Morongo Canyon, 3 - 3.5 miles below the caretaker's house at the Big Morongo Preserve 610 Comment
  UCR167272  Cryptantha barbigera 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
  UCR216506  Cryptantha barbigera Tasha La Doux, Jim Andre 2009-3-10 384 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood 542 Comment
  UC1929957  Cryptantha barbigera var. fergusoniae Scott D. White, Justin Wood 2008-6-16 12144 Riverside San Jacinto Mountains: Meadow at Quinn Flat. Comment
  UCR132647  Cryptantha corollata D. C. Hawks 1988-4-2 s.n. Riverside Peninsular Range, Tule Creek drainage, 1.75 mi. (airline) NE of Aguanga, SE of intersection of Dove Dr. and Sycamore Falls, south of Hwy 371, between Aguanga and Anza 945 Comment
  POM12150  Cryptantha costata Mary F. Spencer 1920-3-16 1514 Riverside Mecca -60 Comment
  UCR280015  Cryptantha costata Onkar Singh 2012-2-25 2544 B Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, Palen Sand Dunes west of Palen Dry Lake 140 Comment
  SBBG6271  Cryptantha cycloptera H. and M. Dearing 1942-3-7 4812 Riverside Cathedral City bajada Comment
  POM46808  Cryptantha decipiens Mary F. Spencer 1920-4-4 1522 Riverside Mouth of Tahquitz Canyon. 213 Comment
  RSA0120136  Cryptantha decipiens Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9081 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.25 air miles southeast of the summit of Martinez Mountain. 621 Comment
  SDSU18645  Cryptantha decipiens Michael G. Simpson, Kristen Hasenstab 2008-4-1 2940 Riverside Joshua Tree National Park, east side of Mastodon Peak, ca. 0.65 mile east-southeast of Cottonwood Spring. 1027 Comment
  SEINET7073448  Cryptantha decipiens 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
  RSA784939  Cryptantha holoptera Duncan S. Bell 2012-2-12 3107 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  RSA79569  Cryptantha holoptera F. W. Peirson 1935-4-17 11475 Riverside 30 miles north of Blythe. Comment
  POM230207  Cryptantha intermedia I. W. Clokey 1935-4-18 6861 Riverside Gavilan mesa. 61 Comment
  RSA502894  Cryptantha intermedia Ed LaRue 1989-3-30 s.n. Riverside Rancho California area, ca. 4 miles W of Temecula,with Ave. del Oro as the N boundary. 381 Comment
  RSA80972  Cryptantha intermedia G. R. Campbell 1952-4-6 18421 Riverside 3 miles E of Lake Matthews Comment
  SEINET3084402 Image available Cryptantha intermedia Dave Hawks 1988-4-2 s.n. Riverside Tule Creek drainage, 1.75 miles (airline) NE of Aguanga, SE of intersection of Dove and Sycamore Streets, S of Hwy 371. 762 Comment
  UC78535  Cryptantha intermedia J. C. Nevin Riverside San Jacinto Mts. Comment
  UC857161  Cryptantha intermedia I. W. Clokey 1935-4-18 6861 Riverside Gavilan mesa Gavilan 700 Comment
  SDSU20600  Cryptantha intermedia var. intermedia Ronald B. Kelley 2006-3-26 1002 Riverside Temescal Valley west of I-15 on west side of frontage road in disturbed field between Indian Canyon Truck Road and Horsethief Canyon Road exits. 367 Comment
  RSA0075624  Cryptantha intermedia var. johnstonii F. W. Peirson 1918-03 1020 Riverside Field near Indio. Comment
  RSA0123175  Cryptantha maritima Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9064 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
  RSA681028  Cryptantha maritima Scott D. White, Michael Honer 2003-5-14 9281 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (= Superior ) Gypsum Mine. 76 Comment
  UC24728  Cryptantha maritima W. G. Wright 1890-1 1760 Riverside Colorado Desert Comment
  UC280440  Cryptantha maritima E. E. Schellenger May 1920 Riverside e of Coachella; Colorado Desert Comment
  UCR233178A  Cryptantha maritima Jim Andre, Glenn L. Clifton 2011-2-22 17430 Riverside Mecca Hills, along Box Canyon Road, 8.5 mi northeast of town of Mecca 171 Comment
  SDSU18679 SDSU18679
Image available
Cryptantha maritima var. maritima Kristen Hasenstab, M. G. Simpson 2008-4-1 45 Riverside In Fan Canyon, just inside the boundary for Joshua Tree National Park. Located in a wide desert wash. 607 Comment
  POM47458  Cryptantha micrantha var. micrantha Mary F. Spencer 1918-4-13 844 Riverside Palm Springs. 137 Comment
  UC1178518  Cryptantha muricata Peter Kamb 1948-7-4 1180 Riverside Hall Canyon San Jacinto Mts. 1645 Comment
  UCR88430  Cryptantha muricata A. C. Sanders, K. C. Rose 1995-4-5 16344 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  UCR90386  Cryptantha muricata Steve Boyd 1995-4-24 8476 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
  RSA774888  Cryptantha muricata var. muricata Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5031 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 W116.66011 750 Comment
  JEPS67814  Cryptantha racemosa W. L. Jepson 1927-4-12 11675 Riverside Painted Canyon Colorado Desert, Mecca Hills 76 Comment
  RSA0120478  Cryptantha racemosa Duncan S. Bell 2016-3-13 8925 Riverside Whitewater Canyon; in the vicinity of Painted Hill, approximately 2.5 air miles southeast of the Ranger Station (trout pond). 613 Comment
  RSA499793  Cryptantha racemosa W. Hutchinson 1925-04 s.n. Riverside Palm Canyon Comment
  JOTR35502  Cryptantha utahensis La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3190 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Smithwater Canyon, below steep rock wall at bend in canyon (Biodiversity Hunt stop3) 1241 Comment
  UCR216115  Cryptantha utahensis Jim Andre, T. La Doux 2009-2-25 10814 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains; c. 0.5 mi. south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  CAS-BOT-BC68029  Cryptogramma acrostichoides F. W. Peirson 1921-8-14 2557 Riverside Sierra Nevada - Triple Falls, Cartridge Creek 2438 Comment
  POM204500  Cucurbita digitata M. French Gilman 1934-10-3 s.n. Riverside Whitewater, Colorado Desert Comment
  RSA725434  Cucurbita foetidissima Michael Wall 2007-10-19 437 Riverside San Jacinto Valley, Bautista Creek drainage, on flats along Bautista Rd., between 4.0 - 4.8 miles SE of jct. with Fairview Ave. 671 Comment
  UCR21519  Cucurbita foetidissima Steve Boyd 1980-7-16 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, west edge of the reserve c. 1/4 mile north of the Motte's house 520 Comment
  UCR215592  Cucurbita palmata Jim Andre, T. La Doux 2008-9-16 10705 Riverside Mojave Desert, Joshua Tree National Park, on the northeast end of Splitock Picnic Area 1327 Comment
  SDSU13681  Cuscuta californica var. californica Jutta Buschbom 1991-5-1 32 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  RSA544313  Cuscuta ceanothi Steve Boyd 1991-7-13 6420 Riverside Temescal Canyon, W base of Gavilan Hills, site of old glass factory between Temescal Wash & I-15, just S of Cajalco Road. Comment
  UCR127528  Cuscuta denticulata Bern Schwenn 1994-3-21 s.n. Riverside Transverse Range/Sonoran (Colorado) Desert, Joshua Tree National Park and vicinity, Little San Bernardino Mtns, along radio tower road in first canyon west of Pushawalla Canyon 549 Comment
  RSA591739  Cycloloma atriplicifolium J. C. Roos 1965-9-26 s.n. Riverside In Indio. Comment
  SEINET11038799  Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2015-3-26 18297 .1 Riverside Chuckwalla Mountains: 4.1 km WNW of Corn Spring, NE of Aztec Well, 71 km west of central Blyth. Corn Springs 7.5 834 Comment
  CLARK-A1528-50  Cynodon dactylon C. M. Flanagan 1973-5-31 OO 640 Riverside Morongo Indian Reservation Comment
  UCR33713  Cynodon dactylon Faulkner 1978-3-21 348 Riverside Colorado River Valley, 9 mi. north of Blythe on Hwy 95 152 Comment
  UCR201874  Cyperus eragrostis Justin M. Wood 2008-9-22 155 Riverside SW Perris Basin, Temecula/Murrieta Creek, downstream of 1st Street bridge 305 Comment
  UCR92356  Cyperus eragrostis Scott D. White, S. Ogg 1994-10-17 2475 Riverside Temecula Valley, Murrieta Creek, 2000 ft. south of Winchester Road bridge (Banana Avenue). 311 Comment
  SD224786  Cyperus involucratus A. C. Sanders, G. Helmkamp 1996-3-17 17981 Riverside Coachella Valley: Palm Springs, Tahquitz Cyn. In vicinity of the debris basin above the W end of Sunny Dunes Rd. 185 Comment
  SEINET3909845  Cyperus odoratus John R. Crutchfield 1965-6-16 219 Riverside Lost Lake Resort, 14 miles south of Vidal.; 0 Comment
  RSA719784  Cyperus squarrosus Naomi Fraga, et al. 2006-7-11 1724 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  SEINET10773991  Dalea J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12828 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then ca 1.3 km on Whitewater Canyon Road. Comment
  SEINET10486083  Dalea schottii A. Evans 1976-4-13 Evans 5158 Riverside Desert canyons of santa rosa mtns. Comment
  UCSB43913  Dasyochloa pulchella Oberholtzer, M. 1980-3-30 Riverside Willey's Well, 10.0 mi SE of Blythe, 0.25 mi N of parking lot on trail to geode diggings 76 Comment
  UCD126636  Datura wrightii Robert F. Thorne; Drs. Fosberg, Sachet, and Herbst 1983-4-23 55419 Riverside San Bernardino Mountains. Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. In sandy wash east of bridge and on base of W-facing slope of ridge. 411 Comment
  UCR113905  Datura wrightii Mitch Provance 1998-4-18 456 Riverside Jurupa Mountains, Crestmore Heights, E. Rattlesnake Mt., 'Oak Knoll' about 0.5 km west of Rubidoux Blvd., across the street from the Riverside Cement Company. 396 Comment
  SEINET237964  Daucus pusillus A. C. Sanders, T. B. Salvato 2000-5-25 23397 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
  UCR250566  Daucus pusillus A. C. Sanders 2014-4-25 41067 Riverside Peninsular Range, Temescal Canyon, Richland property between Horsethief Canyon Rd and Hostettler Rd., SW of I-15 392 Comment
  UCR3432  Daucus pusillus John Minnich 1964-5-3 64-05-03# 3 Riverside Box Springs Mtns, Riverside, Box Springs Mtns, Two Trees Cyn at end of Two Trees Rd. 367 Comment
  CAS-BOT-BC294117  Deinandra kelloggii Mrs. E. C. Van Dyke 1928-7-1 s.n. Riverside Along road from Idyllwild to desert Comment
  JEPS122468  Deinandra kelloggii J. M. Andre 2012-6-15 30542 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
  UC1792826  Deinandra kelloggii A. C. Sanders 2004-4-9 27469 Riverside San Jacinto Valley; Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtns., alluvial slope in mouth of large canyon on south side 472 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-BC131034  Deinandra paniculata James I. McMurphy 1916-8-13 s.n. Riverside Riverside Comment
  CAS-BOT-BC292007  Deinandra paniculata John Green 2005-5-4 s.n. Riverside Perris-Aguanga Region: SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  CAS-BOT-BC523916  Deinandra paniculata R. E. Riefner, Jr. 2014-8-27 14 -304 Riverside City of Riverside, Moreno Valley,Box Springs Blvd., at Sycamore Canyon Blvd., W of 215-Freeway 483 Comment
  UCD131167  Deinandra paniculata A. C. Sanders 2004-6-20 28222 Riverside Peninsular Range: Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd, hilltop above I-15, southwest of main clay pits. 378 Comment
  CLARK-A1528-784  Delphinium Fred B. Essig 1964-4-4 27 (part of series 24 to 30 ) Riverside Horsethief Canyon Comment
  RSA336418  Delphinium parishii Robert F. Thorne 1978-4-23 52058 Riverside Palm to Pines Highway: Above Palm Desert., north slope Santa Rosa Mountains. Comment
  SD214619  Delphinium parishii subsp. parishii Edith A. Purer 1935-4-21 6469 Riverside Hillside, near Palm Springs, east side of San Jacinto Mountain Comment
  UC912669  Delphinium parishii subsp. parishii Curtis Ferris 1932-3-23 87 Riverside Palm Springs Comment
  RSA0020492  Delphinium parishii subsp. parishii F. W. Peirson 1902-4-9 2902 Riverside Murray Canyon, Palm Springs Region Comment
  RSA717581  Delphinium parryi A. C. Sanders 2004-4-9 27463 Riverside San Jacinto Valley: Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks. 488 Comment
  UCR1020  Delphinium parryi Dennis Vander Ven 1968-5-19 680519- 3 Riverside c. 7 miles west of Murrieta on Tenaja Rd., where road first enters a canyon. Precisely where road crosses creek. On both sides of road 701 Comment
  UCR281230  Delphinium parryi Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-28 317- 55 Riverside Temescal Valley, Southern foot of the Gavilan Hills, slopes west of Black Powder Rd. 427 Comment
  POM13162  Descurainia obtusa subsp. adenophora P. A. Munz 1922-7-4 5975 Riverside Kenworthy. 1418 Comment
  UC10810  Descurainia obtusa subsp. adenophora H. M. Hall 1901-6 2623 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1584 Comment
  JEPS37065  Descurainia pinnata W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1333 Riverside Thomas Valley to Van Deventer's Ranch Comment
  UCR97457  Descurainia pinnata John Wear, N. Moorhatch 1997-3-5 s.n. Riverside San Jacinto Mtns, Chino (Tramway) Cyn, both sides of road. 500 Comment
  RSA329752  Dicentra chrysantha Gary D. Wallace 1966-4-16 468 Riverside Scandia Canyon betw. Murrieta and De Luz along De Luz Cr. Santa Ana Mtns. 701 Comment
  JEPS64173  Dichelostemma capitatum W. L. Jepson 1901-5-19 1299 A Riverside Strawberry Valley Mt. San Jacinto 1676 Comment
  CAS-BOT-BC500849  Dichelostemma capitatum F. O. Ballou 1926-2-28 s.n. Riverside Murray Canyon Comment
  CAS-BOT-BC500850  Dichelostemma capitatum Marian L. Campbell 1921-3-18 51 Riverside Banning Comment
  SJSU7699  Diplacus bigelovii R. C. McGehee 1970-3-5 137 Riverside Corn Springs Campground, 18 mi SE of desert Center Comment
  SD53063  Diplacus clevelandii Peter H. Raven 1962-5-18 17759 Riverside Main Divide Truck Trail 2.9 miles south of Santiago Peak Comment
  RSA0016057  Diplacus fremontii Duncan S. Bell, Valentin Arvizu 2010-5-10 974 Riverside San Bernardino National Forest: Garner Valley, approximately 1.1 air mile southeast of junction of forest service road 6S13 and forest service road 6S04. 1349 Comment
  CAS-BOT-BC150868  Diplacus puniceus C. L. Hitchcock; C. V. Muhlick 1964-3-17 23105 Riverside 10 miles n. of Pala, on road to Elsinore Comment
  SBBG120958  Dipsacus sativus K. Cambell 2006-6-15 Riverside Temecula, NW corner of Moraga Rd and Rancho California Rd 335 Comment
  SDSU12987  Distichlis spicata Michael G. Simpson with Claudia A. Luke 1999-10-27 2021 Riverside Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  UCR76160  Distichlis spicata A. C. Sanders 1993-4-1 13659 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
  CLARK-A1528-4589  Distichlis spicata subsp. stricta John C. Roos 1937-5-10 2333 Riverside Elsinore Comment
  GMDRC5837  Ditaxis claryana J. M. Andre 2013-3-27 24823 Riverside Riverside Mountains: east side of Riverside Mountains, along Hwy 95, 13.2 mi. south of Vidal Jct 126 Comment
  POM2688  Ditaxis lanceolata I. M. Johnston 1917-4-4 s.n. Riverside Andreas Canyon 274 Comment
  RSA677302  Ditaxis lanceolata P. A. Munz, D. D. Keck 1922-4-13 4945 Riverside Eagle Mountains. 244 Comment
  RSA775660  Ditaxis lanceolata Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 805 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 396 Comment
  SEINET6631295 Image available Ditaxis lanceolata Leila M. Shultz, John S. Shultz 1985-4-18 8327 Riverside Chuckawalla Mountains, 1 mile west of Astec Well and 11.7 miles south of highway (I-15) 616 Comment
  UCR18828  Ditaxis lanceolata John C. Roos 1965-6-23 s.n. Riverside Sonoran (Colorado) Desert, Cactus City, just east of the Mecca Hills on Interstate Hwy 10 [and 25 mi. east of Indio]. 500 Comment
  CLARK-A1045-148  Ditaxis neomexicana George K. Helmkamp 1978-4-1 Riverside Deep Canyon Palm Desert 15'Q Comment
  RSA675730  Ditaxis neomexicana Scott D. White 2001-4-27 8421 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway ca. 15 miles east of the Indio jtn. of I-10/ SR-111. Bajadas and washes adjacent to powerline access roads near unnamed freeway exit accessing pump station. 396 Comment
  RSA776182  Ditaxis neomexicana Amber Swanson, Duncan S. Bell 2011-3-20 247 Riverside Canyon Springs area N of the Bradshaw Trail. 340 Comment
  UCR166692  Ditaxis neomexicana Scott D. White, Brian Leatherman 2005-5-4 11012 A Riverside Sonoran Desert, Eastern Coachella Valley. Thermal area; bajada below Mecca Hills and east of the Coachella Canal 49 Comment
  UCR211493  Ditaxis neomexicana Jim Andre, T. La Doux 2008-9-13 10261 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177 (NW side), southeast end of Coxcomb Mountains, east boundary of Joshua Tree National Park 161 Comment
  RSA793973  Ditaxis serrata var. serrata Duncan S. Bell, John Anderson, Kim Clark, Keir Morse 2012-11-10 4352 Riverside Big Maria Mountains: southeast section of range, approximately 0.6 air miles northwest of Palo Verde Dam. 97 Comment
  CAS-BOT-BC43642  Dithyrea californica H. M. Hall 1905-4-15 5772 Riverside Colorado Desert. Indian Well. 0 Comment
  CAS-BOT-BC43690  Dithyrea californica S. B. Parish; W. F. Parish 1882-4-1 15 Riverside Borders of Colorado Desert, Whitewater. Comment
  RSA30866  Dithyrea californica I. L. Wiggins 1937-3-9 8765 Riverside Sand dunes 20 miles north of Indio. Comment
  RSA530761  Dithyrea californica T. S. Clare 1930-4-14 s.n. Riverside Salton Sea. [Imperial to Riverside Co] Comment
  SD224894  Dithyrea californica A. C. Sanders, K. Rose & D. Woodard 1995-3-15 16142 Riverside Coachella Valley: mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and I-10. 328 Comment
  UC963835  Dithyrea californica Helen K. Sharsmith 1952-4-8 4049 Riverside w lobe Pinto Basin; Mojave Desert, Joshua Tree National Monument 609 Comment
  SEINET10481685  Dithyrea californica David B. Dunn 1948-3-14 Dunn 3774 Riverside Found in flat open sands near hidden springs ranch 5 mi s of the indio hills in the colorado desert. Comment
  UCR113630  Downingia cuspidata June Latting 1978-6-4 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, Mesa de Colorado 640 Comment
  RSA712624  Drymocallis glandulosa T. B. Salvato, John Green 2004-5-27 577 Riverside Head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp. 1402 Comment
  RSA692504  Dryopteris arguta Norman C. Cooper 1944-5-21 1248 Riverside San Jacinto Mountains, West side 915 Comment
  UC218656  Dryopteris arguta P. A. Munz and I. M. Johnston 1922-5-19 5391 Riverside 3 mi w Keen Camp; San Jacinto Mts 1493 Comment
  RSA588661  Dudleya pulverulenta subsp. pulverulenta D. L. Banks, S. D. Boyd 1995-10-17 0818 Riverside NW Palomar Mountains. Agua Tibia Mountains. Cleveland National Forest. Agua Tibia Wilderness Area. Along lower Arroyo Seco. S of the Dripping Springs Campground., Along the narrow benches where Arroyo Seco turns E, just W of the Metasedimentary hills. 524 Comment
  UCR58950  Dudleya saxosa Kenneth Cooper 1986-4-18 s.n. Riverside San Jacino Mtns, Oasis de los Osos Preserve of the nature conservancy, Snow Creek Canyon, at the N foot of the San Jacinto Mtns Comment
  SBBG104170  Dudleya saxosa subsp. aloides E. R. Blakley 1993-5-20 7658 Riverside Pinto Mtns, E of White Tank Cmpgrd, Joshua Tree Nat Monument Comment
  UC1015384  Dudleya saxosa subsp. aloides Reid Moran 1950-4-28 3407 Riverside Whitewater 457 Comment
  UC933327  Dudleya saxosa subsp. aloides Reid Moran 1946-3-20 1944 Riverside San Andreas Canyon Comment
  UCR116513  Dudleya saxosa subsp. aloides A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20695 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
  SEINET8037279 Image available Echinocactus polycephalus var. polycephalus Michael Chamberl 1990-1-11 18 Riverside 3.6mi S of Inyo county line on Route 127. On west side of small hill on west side of road. 300 Comment
Read comments
Jun 4 2016
  SEINET8060012 Image available Echinocactus polycephalus var. polycephalus Michael Chamberl 1990-1-8 10 Riverside 1/4mi down Hayfield Rd. south of I-10 500 Comment
  CAS-BOT-BC59755  Echinocereus engelmannii Ira Wiggins 1937-3-9 8747 Riverside Field redacted by CAS, contact the data manager for more information Comment
  UCR131797  Echinochloa crus-galli Mitch Provance 1998-6-20 703 Riverside Jurupa Mountains, Glen Avon Heights, on the north side of Conning St. (dirt road portion traversing from W to E), which lies between Campbell St. and Lindsay St. 262 Comment
  UCR189543  Echinochloa crus-galli Fred M. Roberts, S. Leatherman 2007-9-19 6580 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  UCR2342  Echinochloa crus-galli F. M. Reed 1936-7-27 9801 Riverside Riverside, Riverside: Bell lot, Massachusetts Ave. 290 Comment
  UCR95726  Echinochloa crus-galli D. L. Banks, Lauren Raz 1996-8-29 1134 Riverside Agua Tibia Mtns., NW Palomar Mtns, NW foothills of Dorland Mtn. Los Caballos Road, c. 0.5 m south of Hwy 79, 100 m north of the Golf Course access road. 399 Comment
  CDA4578  Eclipta prostrata Gene Drake 1975-7-3 Riverside Riverside Canal, Nixon at McKinley, Riverside. 0 Comment
  UCR19192  Eclipta prostrata John C. Roos 1965-7-5 s.n. Riverside Sonoran (Colorado) Desert, Thermal Airport Comment
  UCR182093  Ehrharta longiflora Tom Chester 2005-4-15 580 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Margarita Ecological Reserve: Temecula Gorge, south side 239.3 Comment
  CAS-BOT-BC33441  Eleocharis disciformis Harvey Monroe Hall 1901-6-1 2013 Riverside San Jacinto Mts., Eastern base, along the borders of the Colorado Desert (Palm Canyon) Comment
  UC485123  Eleocharis macrostachya Carl V. Meyer 1928-7-30 580 Riverside Saunders Meadow San Jacinto Mountains Comment
  RSA556501  Eleocharis palustris Julie Greene 1993-4-3 1105 Riverside San Jacinto Wildlife Area: west of dirt road. 445 Comment
  CAS-BOT-BC33443  Eleocharis parishii Samuel Bonsal Parish 1882-4-1 1569 Riverside Palm Springs, Colorado Desert. Tranquility Canyon. Comment
  UC62218 Image available Eleocharis parishii H. M. Hall Jun 1901 2013 Riverside e base San Jacinto Mountains (along the borders of the Colorado Desert); , Colorado Desert; along the border of the Colorado Desert, San Jacinto Mts. Comment
  RSA557316  Eleocharis radicans Julie Greene, Steve Boyd, David E. Bramlet, H. Flores, H. Ochoterana 1993-7-9 1424 Riverside San Jacinto Wildlife Area. 433 Comment
  RSA699627  Ellisia chrysanthemifolia Keith E. Hoffmaster 1934-4-8 s.n. Riverside Santa Ana Mts. Comment
  UCR158267  Elymus condensatus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-4-14 29495 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
  CAS-BOT-BC227737  Elymus elymoides Elizabeth McClintock 1965-6-25 s.n. Riverside Top of Santa Rosa Mountain Comment
  UCR241244  Elymus glaucus Tracy Tennant, Jeffrey Ross 1998-6-23 MOR- 511 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  RSA577761  Elymus trachycaulus subsp. trachycaulus F. M. Reed 1928-7-10 5983 Riverside Strawberry Valley, San Jacinto Mountains. 1524 Comment
  JEPS1565  Emmenanthe penduliflora W. L. Jepson 1928-4-19 12427 Riverside 5 mi N Elsinore Comment
  POM356734  Encelia actoni Norman C. Cooper 1949-6-29 4307 Riverside West of Pinyon Flat, San Jacinto Mountains 1524 Comment
  RSA502503  Encelia actoni Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-11 3723 Riverside Vail Lake area, recently burned hills SE of lake, S of Hwy 79. 488 Comment
  UCSB18497  Encelia actoni Beringer, George 1963-5-5 Riverside State Highway 74, 4.5 miles E of Pinyon Flats Public Campground 944 Comment
  OBI8196  Encelia californica David J. Keil, Malcolm McLeod 1977-3-26 12001 Riverside 0.2 mi NW of Prado Dam on Calif 71 183 Comment
  CAS-BOT-BC131326  Encelia farinosa Steve Boyd 2007-4-20 11724 Riverside Peninsular Ranges; Perris-Aguanga Basin region: Southeastern end of the Gavilan Hills, north of Warm Springs Valley at upper end of Walsh Canyon, ca. 0.5 miles from junction with Lindel (aka Stovepipe) Road, on southwest facing slope just above old... 549 Comment
  CHSC99339  Encelia farinosa LeRoy Gross; Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1435 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains Region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. Near 33 37' 32'N, 115 19' 35'W: UTM 3721895N, 655238E Elevation 1574 feet to 33 36' 52'N, 115 19' 54'W: UTM 3720669N, 654757E. Elevation 1800 feet. General collecting along canyon bottom and slopes. 514 Comment
  JEPS23539  Encelia farinosa Peter H. Raven 1958-2-15 11585 Riverside along U. S. Highway 60 (8.7 mi e of road to Wiley Wells) Comment
  LA202445  Encelia farinosa T. A. Geissman; sn Riverside Joshua Tree National Monument, S entrance Comment
  UC495309  Encelia farinosa Philip A. Munz 1932-3-14 11983 Riverside Deep Canyon, Coachella Valley 152 Comment
  UCD20083  Encelia farinosa Donald W. Kyhos 1965-5-11 65 -215 Riverside 14.9 miles north of junction of Hwy 95 and Hwy 60-70, on Hwy 95. Comment
  POM356688  Encelia farinosa var. farinosa C. W. Tilforth 1967-2-11 101 Riverside Desert Hot Springs. 335 Comment
  POM4941  Encelia farinosa var. farinosa C. F. Baker 1903-4-4 4151 Riverside Elsinore. Comment
  JOTR35994  Encelia frutescens Harding, Mitzi, Mark Wheeler 2012-9-4 205 Riverside Joshua Tree National Park. Pinto Wells; large, active wash west of road leading to weather station (stop 4) 262 Comment
  CAS-BOT-BC409252  Ephedra Lester Rowntree 1934-3-24 s.n. Riverside Morongo Valley Comment
  RSA383880  Ephedra californica P. J. Remple 1942-3-21 s.n. Riverside Whitewater Canyon. Foot of canyon side. Comment
  UC205579  Ephedra californica H. M. Hall 1919-3-25 Riverside Whitewater Wash Comment
  RSA85180  Ephedra fasciculata F. W. Peirson 1928-4-24 7904 Riverside Cottonwood Spring, west end of Eagle Mtns. Comment
  CAS-BOT-BC81822  Ephedra nevadensis C. L. Hitchcock 1940-3-29 5868 Riverside Cottonwood Canyon ca. 100 yards east of Spring Comment
  SD181809  Ephedra nevadensis Louis C. Wheeler 1955-6-16 7158 Riverside Palm to Pines Highway 0.45 mile downhill from 3000 foot marker. Comment
  UCR75536  Epilobium campestre A. C. Sanders 1993-5-12 14010 Riverside San Jacinto Valley, Hemet, SW corner of intersection of Florida Ave (Hwy 74) & Warren Rd., between new San Diego Aqueduct and Warren Road 460 Comment
  UCR138606  Epilobium canum subsp. canum D. L. Banks 1996-11-7 1197 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, at the spring on the N fork of Pechanga Creek at the E end of the Reservation 494 Comment
  CAS-BOT-BC171728  Epilobium canum subsp. latifolium Carl B. Wolf 1940-10-31 11184 Riverside Colorado Desert, Cottonwood Springs, Eagle Mts. 289 Comment
  JOTR32640  Epilobium canum subsp. latifolium La Doux, Tasha, K. Matthews, S. Szabo, J. Van Warmerdam, B. Truesdell 2007-10-4 2561 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Convergence of Lower Covington Flat and Smith Water Canyon (Stop 3) 1362 Comment
  LA206110  Epilobium canum subsp. latifolium Louis C. Wheeler; 1933-12-1 2291 Riverside San Jacinto Mountains, mouth of Tahquitz Canyon 152 Comment
  SBBG44917  Epilobium canum subsp. latifolium W. B. Holt 1941-10-23 17 Riverside near Split Rock, Joshua Tree National Monument Comment
  RSA680526  Epilobium ciliatum subsp. ciliatum Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8647 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek, i.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  SBBG92149  Epilobium ciliatum subsp. ciliatum J. Hirshberg 1989-7-25 Riverside marsh near SW edge of Vail Lake 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
  GMDRC6579  Epilobium densiflorum J. M. Andre 2012-6-15 30541 Riverside San Jacinto Mountains: west slopes of range along Poppet Flat Rd, Poppet Creek canyon, 3.2 mi. west of Hwy 243 1022 Comment
  RSA698279  Epilobium glaberrimum J. R. Bruff 1934-7-5 s.n. Riverside San Jacinto Mt. 2744 Comment
  UC162736  Epilobium glaberrimum subsp. glaberrimum H. M. Hall 1896-9-3 323 Riverside San Jacinto Mountains Comment
  RSA557313  Epilobium pygmaeum Julie Greene, Steve D. Boyd, Dave Bramlett, Hilda Flores, Helga Ochoterana 1993-7-9 1413 Riverside San Jacinto Wildlife Area: from the edge of drying flood area. 433 Comment
  RSA568556  Epipactis gigantea Burton 1908-5-6 s.n. Riverside Riverside. Comment
  RSA761326  Equisetum laevigatum Shawn Krosnick, C. Martinez, N. Fraga, L. McDade 2010-8-14 684 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  GMDRC2527  Eragrostis cilianensis T. La Doux, J. Andre 2007-9-6 130 Riverside Little San Bernardino Mountains: Little San Bernardino Mountains: on dirt road to Lost Horse Ranger Sta, below Hemmingway Buttress, Joshua Tree Natl. Park.. Elev. 4058 ft. 1237 Comment
  CLARK-A1528-4613  Eragrostis mexicana John C. Roos 1965-7-7 Riverside San Jacinto Comment
  UCR77742  Eremalche exilis Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6032 Riverside Vail Lake, SW and W flanks of Billy Goat Mtn. 3 mi north of Hwy 79, 1 mi west of Hwy 371, north of Aguanga 880 Comment
  JOTR31968  Eremalche rotundifolia La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2205 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; rocky/gravelly bajada north of the Aqueduct Rd. 603 Comment
  UC634840  Eremalche rotundifolia H. L. Mason 1928-3-10 4201 Riverside Hidden Springs Canyon Coachella Mts., Hidden Springs Canyon Comment
  RSA192164  Eremocarpus setiger E. W. Lathrop 1959-9-11 4649 Riverside 14 miles west of Murrieta. Comment
  RSA664936  Eremocarpus setiger J. C. Roos 1965-7-27 s.n. Riverside Elsinore. Comment
  SBBG18982  Eremocarya lepida M. A. Piehl 1963-6-2 63545 Riverside Hwy 74, ca. 1.2 mi W of Mountain Center 1341 Comment
  CAS-BOT-BC160052  Eremothera boothii subsp. condensata Philip A. Munz 1932-3-14 11990 Riverside Deep Canyon, Coachella Valley 152 Comment
  RSA0104868  Eriastrum densifolium subsp. austromontanum Scott D. White, Duayne Haselfeld 1996-7-2 4259 Riverside Pinyon Flat area, N of Hwy. 74, ca. 10 road mi. E of junction w/ Hwy. 371. W facing slope of Sugarloaf Mtn and adjacent valley. 1250 Comment
  UC23526  Eriastrum densifolium subsp. austromontanum Harvey M. Hall 1896-9-2 330 Riverside San Jacinto Mt. 1524 Comment
  JOTR16796  Eriastrum densifolium subsp. elongatum Baker, James K. & Baker, Ilisa T. 1966-6-17 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS Comment
  UC2013095  Eriastrum eremicum Leigh A. Johnson, Deborah A. Johnson 1997-3-29 97 -012 Riverside Whitewater Canyon, south slopes of San Bernardino Mtns, ca 1.5 miles north of I-10. Along main road and off in scrub. Comment
  RSA0120096  Eriastrum eremicum subsp. eremicum J. S. Chase 1916-04 s.n. Riverside Palm Springs. Comment
  RSA0120107  Eriastrum eremicum subsp. eremicum J. R. Shevock 1971-5-8 1030 Riverside S. entrance, Joshua Tree National Monument. 457 Comment
  UCR158349  Eriastrum sapphirinum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30089 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
  CLARK-A1528-704  Eriastrum sapphirinum subsp. dasyanthum C. M. Flanagan 1973-5-31 OO 617 Riverside Morongo Indian Reservation 975 Comment
  RSA0121582  Eriastrum sapphirinum subsp. dasyanthum Percy C. Everett 1935-6-17 7166 Riverside Santa Ana Mts., Coldwater Canyon trail to Santiago Pk., 2 mi. above Glen Ivy Resort. 610 Comment
  RSA0122947  Eriastrum sapphirinum subsp. dasyanthum L. C. Wheeler 1962-7-26 8180 Riverside Temescal Valley. Comment
  RSA524241  Ericameria brachylepis Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4128 Riverside Vail Lake area, E flank of 'Big' Oak Mtn, S of E summit. 610 Comment
  LA202470  Ericameria linearifolia K. Watkins; Elizabeth McClintock 1937-4-10 sn Riverside Palms to Pines highway near road to Shumay Comment
  RSA696866  Ericameria linearifolia J. Russell Bruff 1928-12-4 s.n. Riverside 1 mi. W. of Split Rock. Comment
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Oct 23 2011
  OBI16776  Ericameria paniculata P. A. Holden 1968-11-24 614 Riverside just W of Desert Hot Springs Comment
  OBI49189  Ericameria paniculata Lewis S. Rose 1938-12-20 38330 Riverside 3 mi SE of Palm Springs Station Whitewater Wash 274 Comment
  CAS-BOT-BC131639  Ericameria parishii var. parishii Edmund C. Jaeger 1923-6-24 s.n. Riverside East slope of San Jacinto Mtn. 2133 Comment
  UCR34962  Ericameria pinifolia L. B. Ziegler 1964-10-12 044 Riverside San Jacinto Mtns, Garner (Hemet) Valley. 1372 Comment
  RSA761281  Erigeron foliosus Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade, et al. 2010-8-14 714 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCR96422  Erigeron foliosus Scott D. White 1996-8-1 4432 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  RSA683094  Erigeron foliosus var. foliosus Scott D. White, Teresa B. Salvato, L. V. DeMarco, Jessica Christian 2001-6-30 8659 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  POM182241  Erigeron foliosus var. stenophyllus P. A. Munz 1932-4-24 12400 Riverside San Jacinto Mountains: Snow Creek Canyon 457 Comment
  UCR49192  Eriochloa aristata A. C. Sanders 1985-12-22 5962 Riverside Sonoran (Colorado) Desert, Coachella Valley, 1/4 mi NW of Valerie Jean, west of Hwy 86 -30 Comment
  CAS-BOT-BC189074  Eriodictyon crassifolium Street; Durant 1918-5-12 s.n. Riverside San Jacinto River Canon [Canyon] Comment
  CLARK-A1528-1144  Eriodictyon crassifolium Charles S. Papp 1941-5-10 813 Riverside San Jacinto Mountains Comment
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Jan 30 2016
  UC455939  Eriodictyon crassifolium var. crassifolium F. M. Reed 1905-7-4 813 Riverside Coldwater Canyon [Santa Ana Mtns., near Glen Ivy] Comment
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May 22 2012
  CAS-BOT-BC219330  Eriodictyon trichocalyx var. trichocalyx Victor Duran 1933-7-1 3489 Riverside Near Santa Rosa, Santa Rosa Mts. 1676 Comment
  JOTR33771  Eriogonum angulosum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2926 Riverside Joshua Tree National Park. north of Quail Mountain, near the mouth of Johnny Lang Canyon; loamy and gravelly gentle slopes with rock outcrops in an old burn area from 1999 fire 1173 Comment
  CAS-BOT-BC248635  Eriogonum apiculatum James L. Reveal; Barbara J. Ertter 1976-6-30 4563 Riverside San Jacinto Mountains, Pinyon Flat, 2 miles north of California Highway 74 along Palm Canyon Drive 1249 Comment
  CLARK-A1528-5715  Eriogonum apiculatum John C. Roos 1947-9-6 3743 Riverside San Jacinto Mountains Comment
  RSA0104493  Eriogonum apiculatum Duncan S. Bell 2015-9-30 8662 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  RSA393082  Eriogonum apiculatum N. C. Cooper 1949-6-29 4284 Riverside Palms to Pines Hwy, San Jacinto Mt 915 Comment
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May 13 2011
  UCR35090  Eriogonum apiculatum L. B. Ziegler 1967-8-23 224 Riverside San Jacinto Mtns, Pinyon Flats; dry washes on the flats 1250 Comment
  CAS-BOT-BC242795  Eriogonum davidsonii James L. Reveal; Barbara J. Ertter 1976-6-30 4565 Riverside San Jacinto Mountains, Pinyon Flat, 2 miles north of California Highway 74 along Palm Canyon Drive 1249 Comment
  CLARK-A1528-3645  Eriogonum davidsonii John C. Roos 1942-10-24 2574 Riverside Joshua Tree National Monument Comment
  UC574954  Eriogonum davidsonii C. Epling, Wm. Robison 1933-6-26 Riverside Lost Horse Well Little San Bernardino Mountains, Lost Horse Well Comment
  CAS-BOT-BC256122  Eriogonum deflexum var. deflexum Lewis S. Rose 1936-12-26 36824 Riverside Hayfield, 5 mi. W of Desert Center Comment
  RSA496747  Eriogonum deflexum var. deflexum A. C. Sanders 1988-5-11 7807 Riverside Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal in a wash E of the gasline road from Niland. 549 Comment
  UCR154381  Eriogonum fasciculatum subsp. foliolosum A. C. Sanders, Mike Misenhelter 2005-6-15 30949 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
  CLARK-A1528-997  Eriogonum fasciculatum subsp. polifolium John C. Roos 1948-5-15 3844 Riverside Eagle Mountains 853 Comment
  CAS-BOT-BC249956  Eriogonum fasciculatum var. foliolosum P. A. Munz; R. D. Harwood 1920-2-28 3257 Riverside 3 mi west of Corona 335 Comment
  JOTR30059  Eriogonum fasciculatum var. polifolium La Doux, Tasha, Mike Bell, Katy Mathews, Alice Miller, Amber Holt 2007-5-23 1691 Riverside Joshua Tree National Park. Stop #1 = Near Geology Tour rd., N of Malapai Hill 1267 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
  CAS-BOT-BC253495  Eriogonum gracile James L. Reveal; Caroline G. Reveal 1972-8-9 2856 Riverside Along California Highway 243, 4 miles north of the road junction with Highway 74, 0.5 mile south of the center of Idyllwild, San Jacinto Mountains Comment
  SD186297  Eriogonum gracile Andy C. Sanders, Mike Misenhelter 2005-6-15 30971 Riverside Sage-Aguanga Region; 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Road at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit 640 Comment
  POM153383  Eriogonum gracile var. incultum P. A. Munz, I. M. Johnston 1928-9-12 11250 Riverside Temescal Canyon. Comment
  RSA772057  Eriogonum inflatum Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4622 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA393582  Eriogonum inflatum var. inflatum H. de Forest 1929-3-16 s.n. Riverside Painted Canyon near Mecca Comment
  RSA480020  Eriogonum inflatum var. inflatum Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2145 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  SBBG97159  Eriogonum inflatum var. inflatum W. L. Halvorson 1977-2-15 77 -23 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  JEPS56702  Eriogonum molestum W. L. Jepson 1903-8-6 2281 Riverside Chalk Hill San Jacinto Mt. (trip to Spruce Canyon) 1524 Comment
  RSA754129  Eriogonum parishii W. Schlegel, Andrew Trouette 2008-8-8 1 Riverside Idyllwild: Dry creek bed. Comment
  JOTR29274  Eriogonum plumatella La Doux, Tasha 2005-8-17 1544 Riverside Joshua Tree National Park. Little San Bernardino Mountains, east of Barker Dam; near Wall Street Mill parking lot along trail heading toward Wonderland Wash 1319 Comment
  POM305593B  Eriogonum pusillum Henry J. Ramsey, Henry J. Ramsey 1937-2-26 889 Riverside Whitewater. Comment
  UC667356  Eriogonum pusillum Annie M. Alexander and Louise Kellogg 1941-5-15 2189 Riverside n base Eagle Mountains Colorado Desert, Eagle Mountains 914 Comment
  CAS-BOT-BC263505  Eriogonum thomasii Noel H. Holmgren; Patricia K. Holmgren 1974-3-23 7468 Riverside Box Canyon wash, 11.4 (9 airline) miles east-northeast of Mecca 243 Comment
  CAS-BOT-BC263518  Eriogonum thomasii Frank W. Peirson 1926-1-31 6490 Riverside Abundant at Dos Palmas, Colorado Desert Comment
  CAS-BOT-BC263538  Eriogonum thomasii Peter Kamb 1948-4-11 876 Riverside Aqueduct Road 5 mi. east of Garnet, Coachella Valley 304 Comment
  JEPS56259  Eriogonum thomasii W. L. Jepson 1927-4-11 11624 Riverside Whitewater Bridge 457 Comment
  RSA708486  Eriogonum thomasii Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10901 Riverside Eastern Coachella Valley. Bajada beneath Mecca Hills, just east of Coachella Canal. 24 Comment
  SBBG1630  Eriogonum thomasii H. and M. Dearing 1940-1-1 4067 Riverside near Mecca Comment
  UC1930209  Eriogonum thomasii Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11213 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region; Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Comment
  UCR269866  Eriogonum thomasii A. C. Sanders, Jim Malusa 2016-3-18 42361 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  UCSB1534  Eriogonum thomasii Haller, John 1957-3-23 Riverside S. boundary of Joshua Tree Nat Mon; 4 air miles S. of Cottonwood sprs, & 1 mile N. of June with US 60 609 Comment
  RSA766488  Eriogonum thurberi Joseph A. Ewan 1932-4-8 s.n. Riverside Seven Palms near Garnet. Comment
  SBBG65499  Eriogonum trichopes S. G. Stokes 1933-4-9 51 Riverside S of Palm Springs Comment
  UC666509  Eriogonum trichopes Annie M. Alexander and Louise Kellogg 1941-5-28 2262 Riverside Metropolitan Aqueduct Road e Hayfield Comment
  RSA420619  Eriogonum wrightii var. membranaceum M. B. Dunkle 1934-11-3 4235 Riverside Ribbonwood. Santa Rosa Mountain. 1524 Comment
  RSA615117  Eriogonum wrightii var. nodosum A. C. Sanders, P. Mackay 1994-10-23 15845 Riverside Whitewater River canyon, between the trout hatchery and Bonnie Bell. 780 Comment
  UCR163888  Eriogonum wrightii var. nodosum B. G. Pitzer 2001-11-4 4348 Riverside Peninsular Range; Santa Rosa Mountains, Carrizo Canyon, sheep guzzler c. 0.5 mi. SW of where Hwy 74 crosses canyon 701 Comment
  UCR250710  Eriogonum wrightii var. nodosum John F. Emmel 1985-10-23 977 Riverside Southern Mojave Desert, Coxcomb Mountains, 0.1-0.2 air mi west-northwest of Peak 4416 1311 Comment
  POM182206  Eriophyllum confertiflorum P. A. Munz 1932-4-24 12391 Riverside San Jacinto Mountains: Snow Creek Canyon 457 Comment
  UCR16868  Eriophyllum multicaule R. Gagnon 1968-4-13 680413- 01 Riverside Box Springs Mtns, Box Springs Mtns., Pigeon Pass, 3.5 mi. from radio towers along road going up to the towers Comment
  RSA528105  Erodium botrys Steve Myers 1991-4-15 91 -4 Riverside City of Banning, W of fields Road, N of Interstate 10 & S o the Morongo Indian Reservation. 671 Comment
  RSA594046  Erodium cicutarium D. L. Banks, Elizabeth Hedge Banks 1996-5-2 924 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along the broad alluvial benches just to the SE of the gate to the Preserve. 448 Comment
  POM13932  Erodium texanum P. A. Munz 1922-3-12 4711 Riverside Andreas Canyon, Palm Springs. [Santa Rosa Mtns., W margin Colorado Des -SW] Comment
  RSA0108818  Erodium texanum Duncan S. Bell, Amanda Turek 2009-3-30 185 Riverside South end of the Arica Mountains; approximately 1.5 air miles southwest of Priest Well. 365 Comment
  RSA788555  Erodium texanum Duncan S. Bell 2012-3-8 3149 Riverside Southern section of the Mecca Hills; north side of the canal, approximately 4.75 air miles southeast of where Box Canyon Road crosses the Coachella Canal. 16 Comment
  SBBG99350  Erodium texanum W. L. Halvorson 1977-3-8 77 -84 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  UC1532823  Eryngium aristulatum var. parishii Robert F. Thorne, C. W. Tilforth, L. DeBuhr and E. Lathrop 1975-8-29 47315 Riverside near n. end Mesa de Burro (Rancho California, Santa Rosa Plateau); Santa Rosa Plateau, Rancho California, Mesa de Burro 609 Comment
  RSA651370  Erysimum capitatum Richard Clark 1969-5-24 s.n. Riverside Lk. Filmore; Palms to Pines Hwy. Comment
  SD128268  Erysimum capitatum R. Mitchel Beauchamp, R. C. Pierce 1971-3-27 2066 Riverside Along Coyote Canyon Road, Terwilliger Valley 1170 Comment
  RSA0034958  Erysimum capitatum Norman Lederer 1950-4-30 s.n. Riverside Palms to Pines Hgw. Comment
  SD136749  Erythranthe cardinalis Steve Boyd, T. Ross, D. Bramlet 1992-9-9 7679 Riverside San mateo Canyon Wilderness Area. Along stream, Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek, up the San Mateo Trail north to Potrero de la Cienega 1299 Comment
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Jul 15 2012
  RSA0019307  Erythranthe guttata J. D. Olmsted 1959-6-25 682 Riverside Strawberry Creek drainage area in Fern Valley ENE of Idyllwild. 1677 Comment
  RSA0015879  Erythranthe moschata N. C. Cooper 1949-6-29 4344 Riverside Pine Cove, San Jacinto Mts. 1829 Comment
  RSA0015885  Erythranthe moschata N. C. Cooper 1944-6-17 1382 Riverside San Jacinto Mts., above Banning. 1372 Comment
  JOTR33757  Eschscholzia La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2755 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Gneiss outcrop on edge of large sandy wash in wide canyon that feeds southwest into Wilson Canyon (Stop 6) Comment
  CSUSB2256  Eschscholzia caespitosa R. M. Cope 1965-3-13 Riverside In small canyon on west side of Whitewater Canyon Road about two miles from trout hatchery; on sandy hillside. 335 Comment
  UCR102711  Eschscholzia caespitosa B. G. Pitzer 1998-1-24 3396 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
  RSA594779  Eschscholzia californica D. L. Banks, Dylan Hannon 1996-5-3 973 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Along a mesic E facing slope, approximately 300 m SE of the Helipad at the upper camp sites 534 Comment
  UC64136  Eschscholzia californica H. M. Hall 1897-4-18 445 Riverside Beaumont Comment
  SBBG87721  Eschscholzia minutiflora S. Boyd with S. Meury, R. Noyes, L. Arnseth, T. Ross 1988-3-10 2116 Riverside N end of Palen Mtns, 2 mi W of Palen Pass 300 Comment
  CAS-BOT-BC5930  Eschscholzia parishii Samuel Bonsal Parish; William Fletcher Parish 1882-4-1 759 Riverside Whitewater; Eastern slope of San Bernardino Mt. Comment
  SD244187  Eucalyptus A. C. Sanders, John F. Green 2013-3-27 40687 Riverside Peninsular Range: Alberhill, along Lake Street, near old clay mines, 1.16 km south of I-15 Fwy (Alberhill 7.5'Q) 388 Comment
  RSA736788  Eucalyptus camaldulensis Scott D. White, Angelia Carey 2004-7-2 10599 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UCR140735  Eucalyptus camaldulensis A. C. Sanders 2004-5-12 27858 Riverside Elsinore Basin Region, Alberhill Mountain, northwest foot near Lake St. at Alberhill 378 Comment
  RSA564284  Eucrypta chrysanthemifolia Ed LaRue 1993-5-11 s.n. Riverside Murrieta Oaks, 3 miles (airline) NW of Murrieta Hot Springs, W side oh Hwy 215. 457 Comment
  SDSU18371  Eucrypta chrysanthemifolia var. chrysanthemifolia C. Matt Guilliams, Jeannine Ross 2008-3-12 530 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
  POM118675  Eucrypta micrantha Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA420859  Eucrypta micrantha E. C. Jaeger 1922-3-29 727 Riverside Fords Well, Chuckwalla Valley. Comment
  SBBG37500  Eucrypta micrantha R. N. Muller 1967-5-5 Riverside UC Riverside campus, on S side of first E-W ridge S of irrigation reservoir Comment
  JOTR33981  Eulobus californicus La Doux, Tasha, M. Harding 2010-4-7 2869 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
  OBI8252  Eulobus californicus David J. Keil, Malcolm McLeod 1977-3-26 12008 -1 Riverside 0.2m I NW of Prado Dam on Calif 71 183 Comment
  RSA0124118  Eulobus californicus Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8742 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting on the Martinez Slide to the north of Toro Canyon, approximately 5.25 air miles east northeast of the summit of Martinez Mountain. 123 Comment
  CAS-BOT-BC202782  Euonymus occidentalis var. parishii Wesley O. Griesel 1962-6-29 s.n. Riverside Dark Canyon, San Jacinto Mts. 1920 Comment
  OBI29469  Euphorbia micromera David J. Keil, Melissa Luckow 1979-8-31 13155 Riverside Jctn of Box Cyn Rd and I-10 just S of exit ramp at wash crossing Comment
  SEINET10389831  Euphorbia micromera A. C. Sanders, Jim Malusa 2015-9-10 41851 Riverside Salt Creek Canyon, along Summit Road c. 1.5 miles above mouth of Red Canyon, edge of Chocolate Mountains Aerial Gunnery Range 433 Comment
  UCR132418  Euphorbia polycarpa A. C. Sanders 2004-2-6 27386 Riverside Santa Ana Mtns., foothills at edge of Temescal Valley, intact ridge at a development called 'Trilogy at Glen Ivy,' south of Brown Canyon 442 Comment
  UCR214906  Euphorbia polycarpa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37678 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, near Temescal Canyon Rd. undercrossing and N of Concordia Ranch Rd. 402 Comment
  UCD142865  Euphorbia setiloba G. L. Webster; R. Hildreth 1966-12-10 7467 Riverside Box Canyon, c. 9-10 mi NE of Mecca on Cal. 195. 243 Comment
  UCR57893  Euphorbia setiloba J. M. Stewart 1989-9-17 601 Riverside Western Colorado Desert, Coachella Valley, Pushawalla Canyon, Indio Hills. Comment
  CAS-BOT-BC171041  Fagonia laevis Roxana S. Ferris; Rimo Bacigalupi 1958-3-19 13236 Riverside In wash arising in Big Maria Mts., Highway U.S. 95, 11.3 mi. N of Blythe Comment
  CLARK-A1528-4429  Fagonia laevis John C. Roos 1949-5-5 4095 Riverside Orocopia Mountains Comment
  JEPS20778  Fagonia laevis Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13236 Riverside 11.3 mi n Blythe (U.S. Highway 95); Big Maria Mts. Comment
  RSA11580  Fagonia laevis N. Dunn, A. M. Martin 1932-3-26 s.n. Riverside Cottonwood Springs. Comment
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Sep 11 2011
  UCR50572  Fagonia laevis B. G. Pitzer 1988-3-10 650 Riverside Sonoran (Colorado) Desert, west side Chuckwalla Mountains, on gas line road c. 1.5 mi north of intersection with Red Cloud Mine Road (& wash); c. 2 mi. airline south of Hwy I-10 489 Comment
  RSA0065486  Fagonia laevis David B. Dunn, Lint 1955-4-1 11822 Riverside Pushawalla Canyon, Indio Hills. Comment
  POM98791  Fagonia pachyacantha Philip A. Munz 1926-1-31 9954 Riverside Dos Palmos [Palmas] Spring. Comment
  UCR101440  Festuca microstachys A. C. Sanders 1997-4-10 20333 Riverside Tucalota Hills, east of Lake Skinner 701 Comment
  UCR60250  Festuca microstachys Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3012 Riverside Peninsular Range, Vail Lake area, dried bed of man-made pond and adjacent slopes at N base of rounded knob 1.25 mi WSW of dam 610 Comment
  UCR18397  Festuca myuros A. C. Sanders 1978-5-20 s.n. Riverside San Jacinto Mountains, James Reserve, above Lake Fulmor 1646 Comment
  UCR202438  Festuca myuros 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
  UCR225580  Festuca myuros A. C. Sanders, T. B. Salvato 2011-3-29 38869 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor 0.45 east of Goetz Rd. and 0.07 km east Wheat St. 450 Comment
  UCR127348  Festuca octoflora A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25852 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  RSA751920  Ficus carica Scott D. White, Justin M. Wood 2009-5-22 12924 Riverside San Jacinto Mts: Halfway Spring, accessed via Old Control Road. 1159 Comment
  RSA716822  Filago californica A. C. Sanders, Teresa B. Salvato, Mitch Provance 2003-4-4 25842 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 366 Comment
  RSA0018445  Fragaria vesca R. M. Straw 1953-6-5 452 Riverside Fuller Mill Creek camp, Idyllwild-Banning Rd. Comment
  RSA623949  Frankenia grandifolia var. campestris Arthur R. Kruckeberg 1940-12-7 4778 Riverside Cajulco Canon, near Elsinore Comment
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Mar 9 2013
  SD146251  Frankenia salina A. C. Sanders, D. Bramlet, et al. 1999-10-15 23185 Riverside San Jacinto Valley; Mystic Lake. 436 Comment
  SD233886  Fraxinus velutina A. C. Sanders, J. Goetzen 1996-5-1 18133 Riverside San Bernardino Mtns.: Morongo Indian Reservation, along dirt road in Hathaway Crk. Cyn., N of Banning. 793 Comment
  SD255221  Fraxinus velutina Duncan S. Bell, Josh Brito and John Woodruff 2015-7-15 8552 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  UC1608287  Fraxinus velutina Steve Boyd, Tim Ross, and Dave Bramlet 1993-5-12 7330 Riverside San Mateo Canyon, along stream and adjacent benches from confluence with Los Alamos Canyon downstream to confluence with Tenaja Canyon San Mateo Canyon; Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 365 Comment
  UCR86600  Fumaria officinalis Steve Morgan 1992-4-8 92- 8 Riverside UCR Botanic Garden Comment
  RSA0023060  Funastrum cynanchoides var. cynanchoides John F. Emmel 1995-4-21 1362 Riverside Little Maria Mts., northwest end; large canyon and wash 0.4 air mile southwest of peak 2479. 488 Comment
  POM13030  Funastrum cynanchoides var. hartwegii P. A. Munz, D. D. Keck 1922-4-13 4953 Riverside Eagle Mountains. 244 Comment
  RSA781183  Funastrum cynanchoides var. hartwegii D. Silverman 2010-3-30 7886 Riverside East bajada flank of southern McCoy Mountains, 1 km west of Black Creek Road, 7.8 km east of McCoy Peak, and 4.8 km N of I-10 165 Comment
  JOTR28929  Funastrum hirtellum La Doux, Tasha, Bill Truesdell, Erin Babich 2005-3-7 1167 Riverside Joshua Tree National Park. Eagle Mountains, southeast end near Pinto Wells 316 Comment
  RSA778423  Funastrum hirtellum Stephanie Rockwood, Christi Gabriel 2011-10-12 90 Riverside Sheephole Valley Wilderness, parallel Cadiz Valley. Unnamed road off highway 62. 242 Comment
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Mar 4 2013
  SD181719  Funastrum hirtellum Scott D. White 1999-4-20 7278 Riverside Southern foothills of the Big Maria Mountains, northwest of California Highway 95. 89 Comment
  UCR260225  Funastrum hirtellum A. C. Sanders, Jim Malusa 2015-3-11 41406 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, side canyon draining from the NE into large canyon containing the Gasline Road, c. 2.5 miles north of the Imperial Co. line, US Navy Chocolate Mountains Aerial Gunnery Range 610 Comment
  UCSB4945  Funastrum hirtellum Haller, John 1958-3-22 Riverside Immediately south of highway 60-70, 5.8 miles east of Desert Center 243 Comment
  UCR133424  Galium angustifolium Jeffrey Ross, T. Tennant, G. White 1998-5-21 MOR- 208 Riverside San Bernardino Mtns., Morongo Indian Reservation, Hathaway Canyon, c. 0.55 miles of the junction of the lower and upper canyons 1040 Comment
  UCR154463  Galium angustifolium Jason L. Hlebakos 2005-5-30 806 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  UCR158137  Galium angustifolium A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30119 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
  RSA27806  Galium angustifolium subsp. angustifolium C. Leo Hitchcock 1940-4-12 6039 Riverside 8 mi. northwest of Elsinore 457 Comment
  UCR117616  Galium angustifolium subsp. angustifolium Scott D. White 1997-5-25 5234 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
  RSA0051334  Galium angustifolium subsp. jacinticum Valerie Soza, Steve Boyd 2004-6-22 1727 b Riverside San Jacinto Mountains, southeast side of Lake Fulmor, slope above Hwy 243 (Hall Canyon). 1615 Comment
  RSA706294  Galium californicum subsp. primum Naomi S. Fraga, Sarah J. De Groot, Valerie Soza 2004-6-28 1284 Riverside Along Red Hill Road (5S10) near Alvin Meadows, southwest of Pine Cove. 1616 Comment
  JOTR16840  Galium multiflorum Hogan, J. 1976-7-11 66 Riverside Joshua Tree National Park. 0.2 MILES WEST OF EUREKA PEAK 1645 Comment
  SDSU13926  Galium porrigens var. porrigens Michael G. Simpson, Kim O'Connor 2000-4-29 2071 Riverside Rocky ridge, ca. 100 feet SSW of Northside field station, Santa Margarita Ecological Reserve (SDSU). 366 Comment
  SEINET7247852  Galium stellatum var. eremicum Duncan S. Bell, Marcel Beffort 2014-1 6600 Riverside Colorado Desert; Chocolate-Chuckwalla Mountain region: Chuckwalla Mountains; western end of Corn Springs wash/canyon; approximately 0.75 air mile southwest of Aztec Well. 671 Comment
  UC537212  Galium trifidum var. pusillum M. E. Jones Sept. 1933 Riverside San Jacinto Peak Comment
  CAS-BOT-BC178391  Garrya flavescens Carl B. Wolf 1939-1-20 9486 Riverside East side Santa Ana Mts., along Eagle Motor Way, 1 mi. below summit. 914 Comment
  SD73463  Garrya fremontii Lathrop 1969-6-6 7111 Riverside Murrieta on Tenja Truck Trail between Santa Rosa Road and Los Alomos Canyon Comment
  RSA586161  Gazania linearis D. L. Banks, Steve Boyd 1995-3-30 0126 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. 633 Comment
  POM8096  Geraea canescens P. A. Munz, R. D. Harwood 1920-4-3 3572 Riverside Ford's Well west of Blythe. 305 Comment
  SBBG34736  Geraea canescens T. L. Secrest 1950-3-13 Riverside near Indio Comment
  SD251198  Geraea canescens Aaron C. Sedgwick, David Fraker 2012-4-24 4 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: In the Palen Valley south of Hwy. 10 on Dupont Rd., ca. 2 mi. northeast of the Chuckwalla Mountains Wilderness Area. 182 Comment
  SJSU10568  Geraea canescens R. C. McGehee 1970-3-4 119 Riverside Mission Sweet Mine Rd at junction with boundary of Joshua Tree National Monument Comment
  UCR100866  Geraea canescens George K. Helmkamp, E. A. Helmkamp 1998-2-18 2708 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  UCR166007  Geraea canescens Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  UCR157615  Gilia N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 184 B Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  UCR178830  Gilia Jeffrey Ross 1998-5-7 MOR- 079 Riverside San Bernardino Mtns., Morongo Indian Reservation, Wood Canyon, just below tree stand W-05 1159 Comment
  RSA271888  Gilia angelensis C. W. Tilforth 1978-4-30 1569 Riverside Low rounded hills east of Norco. Comment
  RSA501034  Gilia angelensis Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3155 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA525457  Gilia angelensis Steve Boyd, Dave Bramlet 1990-4-29 4502 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  SD143743  Gilia angelensis A. C. Sanders, G. Waines, et al. 1997-3-12 19850 Riverside Lower Rawson Canyon, along road northeast of Skinner Lake. 456 Comment
  RSA769708  Gilia capitata subsp. abrotanifolia E. W. Lathrop 1973-6-28 7445 Riverside Bear Springs on the Main Divide Truck Trail, 1 mi E of Santiago Peak, Cleveland National Forest. Comment
  RSA774891  Gilia capitata subsp. abrotanifolia Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5032 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010 750 Comment
  RSA783253  Gilia capitata subsp. abrotanifolia J. D. Olmsted 1962-5-2 3456 Riverside In small arroyo north of turn from US 60 to Gilman Hot Springs, San Timoteo Badlands 564 Comment
  UCR121233  Gilia capitata subsp. abrotanifolia Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2261 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  UCR24336  Gilia filiformis John C. Roos 1958-3-15 s.n. Riverside Sonoran (Colorado) Desert, 3 mi. SE of Desert Center, Chuckwalla Mtns. Comment
  JEPS4073  Gilia ochroleuca subsp. exilis M. French Gilman 1921-4-15 12 Riverside Banning Comment
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Dec 17 2016
  SBBG35237  Gilia ochroleuca subsp. exilis T. L. Secrest 1951-5-18 Riverside San Jacinto River bed near Hemet Comment
  GMDRC9797  Gilia stellata J. M. Andre 2017-3-1 38000 Riverside Orocopia Mountains: north end of range, near BLM Rd # 133, 3.5 mi. SE of Interstate 10 (at Box Cyn/Cottonwood Spring Rd exits). 606 Comment
  RSA792047  Gilia stellata R. F. Thorne 1995-3-29 63022 Riverside White Water Canyon. 600 Comment
  CAS-BOT-BC303651  Glebionis coronaria A. C. Sanders 1998-4-16 21753 Riverside Riverside: field on the W side of Iowa Ave, just N of the Santa Fe RR tracks 287 Comment
  RSA613420  Gnaphalium californicum D. L. Banks 1997-4-5 1671 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just east of the Wilderness Area boundry with the Pechanga Indian Reservation, along a tributary of the north fork of Pechanga Creek. 670 Comment
  RSA701560  Gnaphalium californicum Steve Boyd, Aydee Virgen 2004-4-13 10845 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  SDSU14083  Gnaphalium californicum Jonathan S. Austin, Michael G. Simpson 2002-4-20 12 Riverside Along northeastern part of Loop trail. Santa Margarita Ecological Reserve. 338 Comment
  RSA596185  Gnaphalium canescens subsp. beneolens D. L. Banks 1996-11-7 1211 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; On the main road in the Reservation., 1.6 km E of the roads crossing with Pechanga Creek on the northern fork of the creek at the E end of the Reservation. 415 Comment
  UCR182804  Gnaphalium leucocephalum A. C. Sanders 2001-11-3 24879 Riverside Peninsular Range, Temescal Canyon, 1.4 miles NW of Indian Truck Trail on (old) Temescal Canyon Rd., c. 0.25 mi. SE of freeway 311 Comment
  UCR59779  Gnaphalium luteoalbum Jeri Hirshberg 1989-7-27 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, E end of Vail Lake, in 'draw down' area Comment
  RSA276721  Gnaphalium palustre John F. Emmel 1978-9-3 617 Riverside San Jacinto Mts, Strawberry Creek, SW of Idyllwild. 1555 Comment
  UCR126993  Gnaphalium palustre A. C. Sanders, Guy Bruyea 2003-6-12 26886 Riverside Perris-Aguanga Basin Region, Winchester, SW edge of town between Simpson Ave. and Olive Ave., c. 1 km west of Hwy 79/Winchester Rd. 445 Comment
  UCR156459  Gnaphalium palustre T. B. Salvato, A. C. Sanders 2005-5-17 885 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
  UCR3487  Gnaphalium stramineum Bob Arthur 1964-5-8 640508- 9 Riverside Peninsular Range, Lake Matthews area, on La Sierra, 0.5 mi north of jct with El Sobrate 427 Comment
  RSA524583  Guillenia lasiophylla Steve Boyd, L. Arnseth, J. Bonilla, Tim Ross 1990-4-3 4131 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  UC10947  Guillenia lasiophylla H. M. Hall 1897-3-20 405 Riverside Gavilan Comment
  SEINET10728243  Gutierrezia David B. Dunn 1947-10-9 Dunn 3524 Riverside Joshua Tree National Monument at campground area by Hidden Valley. Comment
  SBBG62672  Gutierrezia californica M. N. Ackley 1928-4-1 210 Riverside Snow Crk, Mt San Jacinto 518 Comment
  RSA5539  Gutierrezia microcephala C. B. Wolf 1932-10-13 4313 Riverside Cottonwood Springs. Eagle Mountains 290 Comment
  UCSB24494  Gutierrezia sarothrae McMinn, Howard 1935-6-23 Riverside About 1/2 mile south of Elsinore Comment
  CLARK-A1528-235  Haplopappus squarrosus subsp. grindelioides C. M. Flanagan 1973-6-13 OO 703 Riverside Morongo Indian Reservation 975 Comment
  HSC85385  Harpagonella palmeri Steve Boyd 1986-4-10 1644 Riverside Temscal Canyon: Along DePalma Rd. between Indian Truck Trail and Horsethief Canyon. 1.0 mi. E of Indian Truck Trail Comment
  SDSU18360  Harpagonella palmeri C. Matt Guilliams 2008-2-21 458 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. 418 Comment
  RSA0066624  Harpagonella palmeri Steve Boyd 1986-4-10 1644 Riverside Temescal Canyon: Along DePalma Rd between Indian Truck Trail and Horsethief Canyon. 1 mi. E of Indian Truck Trail. Comment
  UCR102884  Hedypnois cretica A. C. Sanders 1997-3-26 20124 Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  CSUSB1539  Helianthus annuus M. Peterson 1972-6-29 S. N. Riverside Riverside Comment
  UCR81684  Helianthus annuus J. M. Stewart 1994-5-2 865 Riverside Western Colorado Desert, Coachella Valley, Coachella. Dillon Road at Highway 86 Comment
  CAS-BOT-BC305619  Helianthus californicus Louis C. Wheeler 1931-10-4 202 Riverside Strawberry Valley, San Jacinto Mts. 1584 Comment
  SBBG81104  Helianthus gracilentus N. M. Fellows, A. C. Sanders 1985-5-7 177 Riverside Oasis de los Osos Preserve, off Snow Crk Cyn at the N foot of the San Jacinto Mtns, 1 mi W of Snow Crk Village 487 Comment
  SEINET269528  Helianthus gracilentus Scott D. White, Steve Myers; S. Ogg M. Wilcox 1995-6-16 3330 Riverside Lake Elsinore Pumped Storage hydroelectric project. Steep northeast facing mountain slope west of Lake Elsinore southe 396 Comment
  UC284802  Helianthus gracilentus P. A. Munz 1923-6-14 7060 Riverside Glen Ivy trail to Santiago Peak; Santa Ana Mtns. 1219 Comment
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Apr 1 2013
  UC1532826  Heliotropium curassavicum Robert F. Thorne, C. W. Tilforth, L. DeBuhr and E. Lathrop 1975-8-29 47310 Riverside Santa Rosa Plateau, Mesa de Burro, Rancho California 609 Comment
  CSUSB992  Heliotropium curassavicum var. oculatum J. Operskalski 1976-4-28 Riverside Highway 60, East Pigeon Pass Road. Comment
  RSA674558  Hemizonia kelloggii Scott D. White, Tasha La Doux 2000-6-3 7999 Riverside S of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  UCR195120  Hemizonia mohavensis A. C. Sanders, Tim Thomas 2008-8-1 35966 Riverside Peninsular Range; San Jacinto Mtns., lower Coldwater Creek near Mountain Center, SSE of Keenwild Fire Station 1372 Comment
  POM298246  Hemizonia paniculata H. M. Hall 1930-11-9 13025 Riverside Aguanga Hills, 5 miles from Aguanga. Comment
  RSA192325  Hemizonia paniculata E. W. Lathrop 1967-5-14 s.n. Riverside 1-2 miles SW of Murietta Comment
  UCR110917  Hemizonia pungens subsp. laevis A. C. Sanders, K. C. Rose 1999-6-18 22816 Riverside Domenigoni Valley, upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, south of Winchester 433 Comment
  RSA180452  Hesperevax acaulis E. W. Lathrop 1965-5-9 5739 -b Riverside 6 miles W of Murrieta. Comment
  RSA124445  Hesperocallis undulata Percy C. Everett, E. K. Balls 1958-4-29 23027 Riverside 5.4 miles NE along road to Rice and Vidal Junction from Desert Center. 259 Comment
  HSC85437  Hesperocnide tenella Steve Boyd 1986-4-2 1598 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  RSA395901  Hesperolinon micranthum Steve Boyd 1986-4-22 1773 Riverside Temescal Canyon; W side of Indian Wash, S of I-15 Comment
  SD212657  Hesperolinon micranthum A. C. Sanders 2006-5-19 32389 Riverside Hills between Murrieta and Menifee Valley, West of I-215, South of Bundy Canyon/Scott Road and North of Clinton Keith Road 518 Comment
  SD138018  Heterocodon rariflorum Darin L. Banks, Steve Boyd 1995-3-30 118 Riverside Cleveland National Forest; Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, west of the Dripping Springs Alcove. 710 Comment
  JEPS20378  Heterotheca grandiflora Marjorie D. Clary 1932-10-21 1571 Riverside 6 mi w Indio (Point Happy, upper end of Coachella Valley); Coachella Valley, Point Happy Comment
  JOTR16595  Heterotheca villosa var. scabra Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. BARKER DAM 1310 Comment
  UC219593  Heuchera hirsutissima P. A. Munz 1922-6-28 5875 Riverside Toro Peak 2286 Comment
  RSA0025285  Hibiscus denudatus Jim Andre 2013-3-4 23876 Riverside Riverside Mountains; east side of range, along rocky dirt road to historic mine area, 0.8 miles west of Hwy 95, approx 12 miles south of Vidal Junction. 127 Comment
  UCR86195  Hibiscus denudatus A. C. Sanders 1995-5-23 17123 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
  SEINET212651 Image available Hilaria rigida L. C. Higgins 1974-4-12 8488 Riverside 5 mi S of Morongo Valley on Hwy 62 Comment
  UCD90069  Hilaria rigida Peter H. Raven 1958-5-6 12931 Riverside 10.2 miles southwest of Palm Desert on State Highway 74. San Jacinto Mountains. 762 Comment
  UCR165641  Hilaria rigida John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  UCR17645  Hoffmannseggia glauca Hap Ritter, Paul Mack 1976-10-19 s.n. Riverside Sonoran (Colorado) Desert, Ford Dry Lake, between Desert Center and Blythe 110 Comment
  UCR89998  Hoffmannseggia glauca A. C. Sanders 1992-4-5 12166 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, Ford Dry Lake, north of Interstate Hwy 10 at Ford Dry Lake Road, near site of Hopkins Well 110 Comment
  CAS-BOT-BC206376  Hoffmannseggia microphylla Alice Eastwood 1913-4-30 3072 Riverside Palm Springs Comment
  CLARK-A1528-477  Hoffmannseggia microphylla Charlotte Stocks 1962-5-13 Riverside La Quinta Comment
  JEPS121511  Hoffmannseggia microphylla Adam C. Schneider with Will Freyman 2014-2-16 356 Riverside Bottom of Box Canyon Road Comment
  JOTR16685  Hoffmannseggia microphylla Vanderspek & Nolte 1964-4-17 s.n. Riverside Joshua Tree National Park. BERDOO CANYON Comment
  SD174895  Hoffmannseggia microphylla Mark A. Elvin 2005-4-26 4229 Riverside Northern Sonoran Desert: Coachella Valley/Indio Hills; N of I-10. 198 Comment
  UCR55321  Holocarpha virgata subsp. elongata 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
  SEINET251660 Image available Hordeum depressum A. C. Sanders 2004-5-12 27877 Riverside elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek (Lake Elsinore 7.5 Q.:) 378 Comment
  RSA609949  Hordeum intercedens D. E. Bramlet 1996-4-22 2459 Riverside San Jacinto Wildlife Area, Lovell Unit. The site is approximately 198m east of Davis Road and183m north of the San Jacinto River. This locality was some 46m south of the existing access road., 11S X 04 88 978mE X 37 45 950mN 432 Comment
  CAS-BOT-BC148556  Horkelia clevelandii Peter H. Raven; R. Snow 1957-7-26 11106 Riverside Meadow just below Vista Grande Ranger Station, Banning-Idyllwild Road - San Jacinto Mts. Comment
  RSA0013706  Hornungia procumbens LeRoy Gross, Grace Cho 2013-4-9 6002 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  CAS-BOT-BC201092  Hosackia crassifolia Carl B. Wolf 1932-8-4 3909 Riverside San Jacinto Mts. Point View, near Idyllwild 1645 Comment
  RSA0014934  Hulsea vestita subsp. callicarpha LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6149 Riverside Along road (5S24). End of Marion Ridge road, south of the community of Pine Cove. Ridge running south down to Idyllwild school of performing arts, west of Strawberry Valley. 1799 Comment
  POM15209  Hymenoclea salsola Mary F. Spencer 1922-4-17 1423 Riverside Mission Canyon. Colorado Desert. 152 Comment
  POM4807  Hymenoclea salsola I. M. Johnston 1917-4-6 s.n. Riverside Mouth of Andreas Canyon 213 Comment
  RSA1229  Hymenoclea salsola B. D. Stark 1930-4-1 775 Riverside Devils garden. Comment
  RSA663893  Hymenoclea salsola C. R. Annable 1995-3-10 2263 Riverside 1.6km S of Lake Cahuilla County Park. Comment
  POM7077  Hypericum androsaemum P. A. Munz, L. F. Street 1919-5-7 2737 Riverside Mouth of Tahquitz Canyon. Comment
  POM122539  Hypericum formosum var. scouleri Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  UC64189  Hypericum formosum var. scouleri H. M. Hall 689 Riverside Strawberry Valley San Jacinto Mts., Strawberry Valley 1615 Comment
  RSA657673  Hypochaeris radicata Michael J. Graeser 1988-5-12 37 Riverside Soquel Canyon. Intersection of Coronet and Woodview. SE corner. Comment
  CAS-BOT-BC219740  Hyptis emoryi John Thomas Howell 1928-1-29 3295 Riverside Sandy floor of Painted Canon [Canyon], Colorado Desert Comment
  CAS-BOT-BC219759  Hyptis emoryi V. Newsom 1927-3-25 s.n. Riverside Painted Canyon, Colorado Desert Comment
  POM118341  Hyptis emoryi Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  IRVC15234  Isoetes orcuttii Gordon A. Marsh 1975-5-25 s.n. Riverside Santa Rosa Plateau; Mesa de Burro. Peninsular Ranges, Santa Ana Mountains Comment
  UCR96807  Isomeris arborea Bern Schwenn 1994-4-1 s.n. Riverside Sonoran (Colorado) Desert, Eagle Mountains, Hayfield Spring on the south side of the range. 700 Comment
  UCR121889  Iva axillaris Ian G. Gillespie 2001-5-7 78 Riverside East side of Santa Ana Mountains, Temescal Valley Area, also known as Sycamore Canyon Area. North of Indian Truck Trail, in drainage off of De Palma Road. Heavy construction currently underway in adjacent areas 335 Comment
  POM4803  Iva axillaris subsp. robustior I. M. Johnston 1928-5-30 2014 Riverside Temescal Canyon. 366 Comment
  RSA499249  Ivesia santolinoides E. C. Jaeger s.n. Riverside County Well Canyon [6.8 miles below Pinyon Well on the road to Indio, presumably in what is now called Pushawalla Canyon] Comment
  POM9788  Ivesia saxosa E. C. Jaeger 1921-11-15 254 Riverside Near Desert Queen Mine 1220 Comment
  RSA588670  Jepsonia parryi D. L. Banks, Steve Boyd 1995-10-26 0826 Riverside NW Palomar Mountains. Agua Tibia Mountains. Cleveland National Forest. Agua Tibia Wilderness Area. W of the Woodchuck Trail, at the first grassland area along trail. Approximately 0.8 miles from the Wilderness Boundary. 744 Comment
  CAS-BOT-BC101886  Juglans californica Winfield 1975-4-17 2428 Riverside West end of Fairmont Park - Riverside Comment
  UCR189779  Juglans hindsii Theresa Johnson 2007-10-9 401 Riverside Peninsular Ranges, Perris-Aguanga basin, Estelle Mountain 498 Comment
  UCR209199  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
  UCR24958  Juncus bufonius A. C. Sanders 1980-7-22 1731 Riverside San Jacinto Mtns, along road 5S09 between the USC Idyllwild campus (Isomata) and Alvin Meadow; about 0.25 mi from Isomata 1524 Comment
  UCR127145  Juncus bufonius var. congestus A. C. Sanders, Guy Bruyea 2003-6-12 26887 Riverside Perris-Aguanga Basin Region, Winchester, SW edge of town between Simpson Ave. and Olive Ave., c. 1 km west of Hwy 79/Winchester Rd. 445 Comment
  UC1265370  Juncus bufonius var. occidentalis Robert F. Thorne and Earl Lathrop 1969-5-12 37924 Riverside s end Mesa de Colorado, Rancho Californua; Santa Rosa Plateau 624 Comment
  UCR163044  Juncus dubius D. L. Koutnik, Ian Swift 1999-6-19 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, proposed conservation bank in Wilson Creek watershed, north of Aguanga, west of Cahuilla Rd., south of Wilson Valley Rd., east of Sage Rd. 671 Comment
  RSA520939  Juncus effusus subsp. austrocalifornicus Steve Boyd, David E. Bramlet 1988-10-8 2862 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Comment
  RSA627458  Juncus effusus subsp. austrocalifornicus Scott D. White 1998-7-31 6957 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Drive and Hymber Park. 1707 Comment
  RSA627509  Juncus macrophyllus Scott D. White 1998-7-31 6952 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Drive and Hymber Park. 1707 Comment
  SD122852  Juncus macrophyllus Steve Boyd 1985-7-23 1020 Riverside DeLuz Road, 8 miles west of Rancho California, side canyon of Sandia Creek, in wet sand along stream. 305 Comment
  RSA740612  Juncus oxymeris Scott D. White, Justin M. Wood 2008-6-19 12258 Riverside Meadows at Baldy Mtn. 1585 Comment
  UCR177110  Juncus oxymeris Robert Noll 1998-7-13 s.n. Riverside San Jacinto Mtns., Mellor Ranch Road Comment
  RSA125840  Juncus textilis E. K. Balls, Percy C. Everett 1957-11-13 22800 Riverside Snow Creek, north base San Jacinto Mountains. 701 Comment
  JOTR31801  Juncus xiphioides La Doux, Tasha, K. White, A. Holt, C. Ely, J. Van Warmerdam 2007-2-26 2103 Riverside Joshua Tree National Park. Eagle Mountains; Lost Palms Oasis 944 Comment
  UCR116009  Juncus xiphioides A. C. Sanders, D. Bramlet, E. J. Lawlor, C. L. Sanders 2000-1-16 23302 Riverside Shipley-Skinner Reserve, Tucalota Creek at horse trail crossing east of Lake Skinner 457 Comment
  CAS-BOT-BC85416  Juniperus californica Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  UCD133722  Juniperus californica Mitch Provance; Kerry Knudsen, Petra Wester 2004-5-8 9003 Riverside Santa Rosa Mountains: Along Hwy 74 on the Santa Rosa Mountain Grade, ca. 0.8-0.5 mile NE of Black Hills. 854 Comment
  CAS-BOT-BC234594  Justicia californica Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9557 Riverside 1 mile below Cottonwood Springs Comment
  HSC66619  Justicia californica Christopher Davidson, Josephine Jones 1980-4-4 9952 Riverside W end of Orocopia Mtns., canyon and wash S of Oro Peak 518 Comment
  RSA663896  Justicia californica C. R. Annable 1995-3-12 2273 Riverside Mecca Hills, Box Canyon Wash. Hwy 195. Comment
  SD173267  Justicia californica Melvin M. Sweet 2005-4-14 125 Riverside Anza-Borrego State Park; about 2 km NE of Middle Willows in Coyote Canyon stream bed 641 Comment
  UCR3333  Justicia californica Warren Mouw 1964-3-24 640324- 25 Riverside Sonoran (Colorado) Desert, road through Joshua Tree National Monument, between Twentynine Palms and Hwy 60, 3 miles from park exit [south end, near Cottonwood Springs] 856 Comment
  SEINET5778644 Image available Justicia californica L. S. Rose 1946-12-24 46304 Riverside Tahquitz Canyon Wash, Palm Springs Comment
  CDA28517  Kallstroemia californica W. E. Henson Nov 1937 Riverside Blythe. 0 Comment
  UC2044616  Kallstroemia californica A. C. Sanders, T. B. Salvato 2012-10-12 40416 Riverside Sonoran (Colorado) Desert Chuckwalla Valley, along Chuckwalla Valley Rd., 0.35 mi. west of I-10 junction. (Hopkins Well 7.5' Q.) Comment
  RSA278537  Keckiella antirrhinoides T. C. Emmel 1965-3-21 27 Riverside White Water Canyon. 0.6 mi. below Trout Farm) Comment
  CHSC89890  Keckiella antirrhinoides var. antirrhinoides L. P. Janeway 2004-5-8 8067 Riverside Peninsular Ranges. Santa Ana Mountains, Los Alamos Canyon near mouth of Wildhorse Canyon, where Wildomar Road crosses the creek. On steep northwest-facing slope above the road, bottom of the canyon. 421 Comment
  LA209282  Keckiella antirrhinoides var. antirrhinoides W. E. Pequegnat; April 1937 24 Riverside Santa Ana Mountains, Glen Ivy Comment
  SEINET10956018  Keckiella antirrhinoides var. antirrhinoides Greg Gust, Leith Nye 2005-3-11 Gust 544 Riverside Lake Elsinore City Limits. Hwy 74 ca. 2 mile W of Lake Elsinore on hill slope pullout. 691 Comment
  UC1563110  Keckiella cordifolia Steve Boyd, Tim Ross, Laurel Arnseth 1989-6-10 3686 Riverside Arroyo Seco; Vail Lake Area 487 Comment
  SD28119  Keckiella rothrockii var. jacintensis Carl B. Wolf 1932-8-5 3933 Riverside San Jacinto Mts. Summit of Devil's Slide Trail from Idyllwild to Taquitz Valley 2438 Comment
  RSA0060486  Keckiella ternata var. ternata J. M. Andre 2012-6-15 30508 Riverside San Jacinto Mountains: Along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest. 1171 Comment
  UCR199792  Kochia scoparia Scott D. White, Justin M. Wood 2008-6-13 12104 Riverside Beaumont Badlands, San Timoteo Canyon, near El Casco Lake (private pond) east of the road 610 Comment
  SBBG14809  Krameria bicolor E. R. Blakley 1962-11-25 5482 Riverside 5 mi W of Blythe on US Hwy 60 and 70 121 Comment
  JOTR01075  Krameria erecta Cole, James E. 1941-5-21 760 Riverside Joshua Tree National Park. DALE, COTTONWOOD ROAD 914 Comment
  UC864343  Krameria grayi Ivan Johnston Apr 4 1917-Apr 6 1917 1097 Riverside mouth of Andreas Canyon; Colorado Desert, mouth of Andreas Canyon Comment
  RSA510312  Lactuca serriola Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mtns., ca. 1 mi SE of town on Nuevo. 640 Comment
  UC68945  Laennecia coulteri H. M. Hall 1905-4-1 5941 Riverside Paloverde Valley Colorado Desert,Paloverde Valley 76 Comment
  LA209860  Larrea tridentata O. H. Kappler; 1950-4-1 2043 Riverside 4 mi E of Palm Springs, N of Cathedral City 182 Comment
  RSA390015  Larrea tridentata J. C. Roos 1948-5-8 3817 Riverside Whitewater. 549 Comment
  RSA652038  Larrea tridentata David B. Dunn 1948-2-21 3696 Riverside Powerline road at turnoff to Pushawalla. Comment
  RSA652051  Larrea tridentata Marion P. Harthill 1973-2-17 1557 Riverside Snow Creek, Palm Springs 366 Comment
  UCR100085  Larrea tridentata R. G. Swinney 1967-2-4 158 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 335 Comment
  UCR16343  Larrea tridentata S. Nelson 1974-4-13 s.n. Riverside Sonoran (Colorado) Desert, [Coachella Valley] 2 mi north of U.S. Highway 10 on Washington St. 153 Comment
  RSA392781  Lastarriaea coriacea E. Crow 1929-4-21 338 Riverside North of Alberhill Comment
  RSA689506  Lastarriaea coriacea Scott D. White, Michael Honer 2003-5-27 9418 Riverside Gavilan Hills / Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak '2349.' 396 Comment
  RSA757781  Lastarriaea coriacea LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4306 Riverside From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  CHSC275  Lasthenia californica S. Westerberg 1938-4-1 Riverside Palm Springs. Comment
  CLARK-A1528-1089  Lasthenia coronaria Cameron Duncan 1966-3-27 Riverside Riverside 548 Comment
  JEPS15067  Lasthenia coronaria H. M. Hall 1903-3-28 3714 Riverside vicinity of Riverside 426 Comment
  SD181692  Lasthenia coronaria Scott D. White, Tash La Doux 2000-4-20 7707 Riverside Gibbel Flat in the Santa Rosa Hills. 609 Comment
  RSA0035240  Lasthenia glabrata Andrew Haimov, April Sleigh 1992-4-20 77 Riverside 20 meters east of Davis Road, 1 1/2 miles north of Ramona Expressway, San Jacinto Wildlife Area access road. Comment
  JEPS29321  Lasthenia gracilis Rimo Bacigalupi and L. Heckard 1962-3-26 8417 Riverside 2.4 mi nw Romoland (s of Perris, flats on either side of creek) - Railroad Creek [San Jacinto River, flowing toward Railroad Canyon] 457 Comment
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Jul 14 2012
  POM13209  Lasthenia gracilis P. A. Munz, I. M. Johnston 1920-5-20 5452 Riverside Hemet Valley, San Jacinto Mts 1372 Comment
  RSA586002  Lasthenia gracilis Adree M. Desrochers 1989-4-14 438 Riverside Near Lake Matthews, Riverside County, along Cajolco Road, on hills on the N side of road, 5.3 km E of intersection Hwy 15 and Cajalco Road Comment
  RSA601919  Lasthenia gracilis D. Bramlet 1997-3-15 2500 Riverside Nochols road wetlands: the site is located 183m SE of Nichols Raod, 52m W of Collier Ave, 335m W of I15. locality is 15m W of the existing dirt road extending S from Nichols Road and adjacent to Alberhill Creek. Comment
  UCR172209  Lasthenia gracilis John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County, along Briggs Road between Porth Road and Benton Road 409 Comment
  SD73467  Lathyrus vestitus var. alefeldii Louis B. Ziegler 1967-6-25 Riverside Flat above Kenworthy Ranger Station, south end of San Jacinto Mountains 1554 Comment
  SD8724  Lathyrus vestitus var. alefeldii Daniel Cleveland 1882-4-22 Riverside Temecula Comment
  UC63258  Layia glandulosa H. M. Hall 1904-5-16 4948 Riverside vicinity Riverside (Fairmount Park); Fairmount Park 243 Comment
  SD119903  Layia platyglossa Louis B. Ziegler 1966-6-21 49 Riverside San Jacinto Mountains, meadowy slope between Mountain Center and Keen Camp Summit. 1449 Comment
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May 31 2013
  HSC85302  Lemna gibba Steve Boyd 1986-5-5 1851 Riverside Gavilan Hills, Estelle Mtn. Head of large canyon draining the SE side of Estelle Mtn. Comment
  RSA769623  Lepechinia E. W. Lathrop 1973-6-28 7440 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  UCR101388  Lepidium densiflorum A. C. Sanders, K. C. Rose 1998-9-29 22243 Riverside San Jacinto Valley, west edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills 459 Comment
  CAS-BOT-BC89440  Lepidium fremontii Carl B. Wolf 1932-4-27 3043 Riverside Colorado Desert. Mecca-Blythe Road. 0.75 mile west of Utopia. 152 Comment
  POM93924  Lepidium fremontii Marcus E. Jones 1926-2-16 16 Riverside Near Shaver s Well, near Mecca, Colorado Desert. Comment
  RSA0106698  Lepidium lasiocarpum Duncan S. Bell, Thomas Stoughton 2010-3-19 567 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; approximately 2.25 air miles west of Priest Well. 439 Comment
  UCR180306  Lepidium lasiocarpum Scott D. White, Andrea Warniment (Edwards) 2006-3-22 11265 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
  JOTR35320  Lepidium lasiocarpum var. lasiocarpum Harding, Mitzi, Mark Wheeler 2012-2-28 88 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; eastern slopes of southern tip of range (Stop 1) 177 Comment
  RSA799251  Lepidium lasiocarpum var. lasiocarpum Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 753 Riverside North side of the Mecca hills, side canyon between the head of Box Canyon and Shavers Well, roughly 7.4 miles from Interstate 10 on Box Canyon Road 305 Comment
  UC494461  Lepidium lasiocarpum var. lasiocarpum Philip A. Munz 1932-3-15 12006 Riverside Magnesia Spring Canyon Coachella Valley 91 Comment
  CAS-BOT-BC158125  Lepidium latifolium Abby Sirulnik 2000-5-4 38 Riverside Hidden Valley Wildlife Area; 11401 Arlington Ave., Riverside; along the Santa Ana River near La Sierra 244 Comment
  UCR228250  Lepidium latipes A. C. Sanders, T. B. Salvato 2011-4-1 38935 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
  UCR180109  Lepidium nitidum Mitch Provance 2003-4-26 9894 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  UCR59678  Lepidium nitidum Steve Boyd, T. S. Ross, L. Arnseth 1989-3-19 3033 Riverside Peninsular Range, Vail Lake area, 0.5 mi WNW of dam, S flank Oak Mountain 488 Comment
  UCR97576  Lepidium nitidum var. nitidum Scott D. White 1997-2-28 4722 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  UCR116981  Lepidium virginicum var. robinsonii A. C. Sanders, T. B. Salvato 2001-5-3 24082 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR181623  Lepidium virginicum var. robinsonii Mitch Provance 2004-4-18 7600 Riverside Granitic Knolls of Riverside, Riverside, Versity Hill (Coyote Hill), south side of the UCR campus 418 Comment
  JOTR29437  Lepidospartum squamatum La Doux, Tasha, M. Bell, B. Truesdell 2006-3-22 1371 Riverside Joshua Tree National Park. East Wide canyon 499 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
  CLARK-A1528-1987  Lepidospartum squamatum var. palmeri John C. Roos 1942-10-23 2572 Riverside Morongo Valley 518 Comment
  SACT001409  Leptochloa uninervia Philip Munz, J. Johnston 1928-9-12 Riverside Common on sandy alkali flat. Comment
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Aug 22 2013
  RSA559959  Leptosiphon androsaceus Steve Boyd, Orlando Mistretta 1992-4-23 7070 Riverside San Mateo Canyon Wilderness Area, along San Mateo Creek from Riverside Co. line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 243 Comment
  RSA171374  Leptosiphon floribundus subsp. glaber J. D. Olmsted 1962-5-3 3534 Riverside Above old Santa Rosa Indian Village; SW of Santa Rosa Mountain. 1905 Comment
  SJSU8710  Leptosiphon nuttallii J. W. Tofflemire 1957-4-18 Riverside 5 mi up Baurista Canyon Rd SE of Hemet 1219 Comment
  UCR102728  Lessingia filaginifolia B. G. Pitzer 1998-1-25 3416 Riverside Lakeview Mtns., Reinhardt Canyon, Maze Stone County Park, at N terminus of California Avenue 610 Comment
  RSA761323  Lessingia glandulifera var. glandulifera Shawn Krosnick, C. Martinez, N. Fraga, L. McDade, et al. 2010-8-14 681 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SJSU13596  Lessingia glandulifera var. glandulifera C. W. Sharsmith 1945-8-28 5433 Riverside Indian Cr, Mt San Jacinto 1828 Comment
  UCR128890  Leucaena leucocephala A. C. Sanders, E. J. Lawlor, Don Pendleton 1992-3-21 12072 Riverside Sonoran (Colorado) Desert, Coachella Valley, Oasis Date Garden, 4.4 miles north of Mecca on Hwy 111 near Ave. 59 -44 Comment
  RSA388404  Leymus condensatus R. F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61183 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: Cole Canyon 535 Comment
  UCR217562  Limnanthes gracilis subsp. parishii Jeff B. Galvin 2009-4-2 82 Riverside Peninsular Ranges, foothills of the Santa Ana Mountains, Santa Rosa Plateau, Mesa de Colorado, east of the large vernal pool 607 Comment
  RSA720443  Limosella acaulis Naomi S. Fraga, LeRoy Gross, Bill Hogshead 2006-6-12 1706 Riverside Along FS road west and paralleling Morris Ranch Road. Ca. 0.2 miles southwest of the FS roads junction with Morris Ranch Road. North east of Garner Valley. 1616 Comment
  RSA192026  Linanthus androsaceus subsp. luteolus E. W. Lathrop 1959-5-3 4530 Riverside 14 miles west of Murrieta. Tenaja Canyon. Comment
  RSA192343  Linanthus androsaceus subsp. luteolus E. W. Lathrop 1967-5-14 310 Riverside 12 miles SW of Murriet in Tenaja Canyon just below Fisherman's Camp. Comment
  UCR121236  Linanthus androsaceus subsp. luteolus Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2257 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  RSA652821  Linanthus aureus Colleen Callan 1992-4-25 5 Riverside Yucca Valley. 10 freeway east to Highway 62 east. North on Hwy 247. West on Pipes Canyon Road for Five miles. 1250 Comment
  UC667262  Linanthus bigelovii Annie M. Alexander and Louise Kellogg 1941-5-7 2134 Riverside Split Rock, Riverside and San Bernardino Counties Joshua Tree National Monument 1310 Comment
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Oct 23 2011
  SBBG34194  Linanthus dianthiflorus T. L. Secrest 1951-5-19 Riverside from Idyllwild to Hemet Lake Comment
  POM364584  Linanthus dianthiflorus subsp. dianthiflorus Christopher Davidson 1973-4-1 1830 Riverside Jct. Vail Lake Marina and Hwy. 71/79, about 3 miles west of Aguanga. 426 Comment
  RSA543171  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd, Mike Hammitt, T. S. Ross 1991-5-2 6081 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  POM13011  Linanthus dianthiflorus subsp. farinosus P. A. Munz, I. M. Johnston 1922-5-20 5443 Riverside Hemet Valley, San Jacinto Mts. 1372 Comment
  HSC82839  Linanthus jonesii A. C. Sanders, Pitzer, Charlton, Kniffen 1986-3-3 6108 Riverside Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the S 489 Comment
  UC23671  Linanthus lemmonii Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Mountains Comment
  UCR23129  Linanthus lemmonii J. C. Lyman 1981-5-16 s.n. Riverside Peninsular Ranges/San Jacinto Mountains, May Valley Rd, Idyllwild 1768 Comment
  UCR144129  Linanthus liniflorus Scott D. White, Bill La Haye 2000-5-27 7950 Riverside San Jacinto Mtn, Baldy Mountain area 1677 Comment
  RSA599415  Linanthus pungens R. E. Riefner, C. Jones 1996-8-28 96 -160 Riverside San Jacinto Mountain, W summit of Devil's Slide Trail Comment
  SD4007  Linanthus pungens Evelyn Gray 1926-3-20 Riverside Border of Southern Riverside Co., near Aguanga Comment
  UCR98084  Linaria canadensis A. C. Sanders, G. Helmkamp 1997-3-15 19942 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 488 Comment
  UCR51066  Linaria canadensis var. texana S. J. Myers 1988-2-24 s.n. Riverside Peninsular Range, Temescal Canyon, about 0.25 mi west of intersection of Hwy I-15 and Indian Truck Trail 381 Comment
  UCSB18971  Linum lewisii Keefe, Joseph 1961-5-6 Riverside Allendale Pines, north of Idyllwild 1371 Comment
  PASA686  Linum micranthum Frank W. Peirson 1922-5-19 Riverside Two and one-half miles northeast of Murietta on the Menifee Valley Raod Comment
  RSA0010980  Lithophragma affine Justin M. Wood 2009-5-11 680 Riverside Hwy 243 near Ranger Peak, roadside. 1433 Comment
  RSA5026  Lithophragma affine subsp. mixtum Dorothy R. Wolf 1932-3-20 26 Riverside Richman Ranch 2.5 mi N of De Luz. SW Riverside County 457 Comment
  POM301609  Lobelia cardinalis subsp. graminea J. C. Roos 1937-8-23 2402 Riverside Snow Creek, north base of San Jacinto Mountains 762 Comment
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May 21 2011
  RSA444568  Loeseliastrum matthewsii Anonymous 1988-3-23 4212 Riverside Hwy 62 immediately E of robinson Rd., W of Twentynine Palms. Comment
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Dec 5 2014
  RSA775723  Loeseliastrum matthewsii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 958 Riverside Dune system along Midland Rice Road, South of Arica Mountains. 305 Comment
  JEPS69829  Loeseliastrum schottii M. French Gilman 715 Riverside e. Palm Springs (Mt. San Jacinto); Mt. San Jacinto Comment
  SD76205  Loeseliastrum schottii Helen V. Witham 1970-4-29 829 Riverside in open, Pines-to-Palms Hwy 1299 Comment
  UCR120710  Loeseliastrum schottii E. K. Balls 1949-4-4 12963 Riverside Sonoran (Colorado) Desert, Between Durmid and Salton on Hwy 111 0 Comment
  CAS-BOT-BC342261  Logfia filaginoides Ira L. Wiggins 1941-3-27 9702 A Riverside Slopes 4 miles north of Whitewater Comment
  UCR54310  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
  UCR22185  Lolium temulentum E. W. Lathrop 1964-6-7 4877 Riverside Redonda Mesa, 14 mi west of Murrieta Comment
  POM96253  Lomatium lucidum E. C. Jaeger 1925-12-23 s.n. Riverside Aguanga. Comment
  RSA0120234  Lomatium mohavense Duncan S. Bell, Thomas Stoughton 2016-4-14 9284 Riverside Santa Rosa Mountains; near the head of Deep Creek and near the trailhead of the Cactus Spring Trail, at an old mining area above this trail. 1219 Comment
  UC874770  Lomatium mohavense Lee Haines 1937-4-11 Riverside Keys View Little San Bernardino Mountains Comment
  UC1537173  Lomatium utriculatum Gordon H. True Jr. 1935-3-18 125 Riverside hills e. Citrus Expt. Station (Box Springs); Box Springs 396 Comment
  UCR166156  Lonicera interrupta T. B. Salvato, John F. Green 2004-5-27 564 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1402 Comment
  JEPS12865  Lonicera subspicata var. denudata W. L. Jepson May 17 1901-Jun 1 1901 1560 Riverside near Temescal (Waller's Ranch) Comment
  JEPS24429  Lonicera subspicata var. denudata Peter M. Ray 1949-12-26 1582 Riverside at summit or road from Hemet; San Jacinto Mts., Hall Canyon 1645 Comment
  RSA496733  Lotus argophyllus var. argophyllus B. Pitzer, A. C. Sanders 1987-4-21 498 Riverside Box Springs Mts., near southernmost radio towers 793 Comment
  RSA722939  Lotus crassifolius R. E. Riefner Jr. 2007-6-16 07 -264 Riverside City of Hemet, Bautista Canyon, 2.8 mi. E of Fairview Ave. on Bautista Rd. 693 Comment
  UC218259  Lotus crassifolius var. crassifolius P. A. Munz 1922-7-7 6061 Riverside Fern Valley San Jacinto Mts. 1767 Comment
  UCR26372  Lotus grandiflorus A. C. Sanders 1981-7-11 2207 Riverside San Jacinto Mtns, Live Oak Spring at the head of Live Oak Canyon which is a tributary to Palm Canyon. 1677 Comment
  UCR171728  Lotus hamatus John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, Temecula, Southern California Edison right of way between residential areas, N-S corridor between S General Kearny Road and La Serena Way; east of Veterans Park 366 Comment
  UCR214887  Lotus hamatus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37673 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, near Temescal Canyon Rd. undercrossing and N of Concordia Ranch Rd. 402 Comment
  UCR111563  Lotus heermannii Mitch Provance 1999-5-4 1698 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  RSA0034406  Lotus oblongifolius I. W. Clokey, E. G. Anderson 1935-8-21 6721 Riverside Hemet lake 1300 Comment
  SEINET3131508  Lotus oblongifolius var. oblongifolius F. M. Reed 1908-7-13 2550 Riverside Tahquiz Valley (?), San Jacinto Mts. Comment
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Jul 30 2013
  CLARK-A1528-484  Lotus purshianus Pat Halligan 1968-5-2 Riverside Riverside Comment
  UCR159258  Lotus purshianus A. C. Sanders, Kelly Volansky 2005-8-31 31572 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  RSA406795  Lotus rigidus Christopher Davidson 1973-4-19 1977 Riverside Joshua Tree Natl. Monument, ca 4 mi. E of Split Rock, ca 1.5 mi S of park entrance. 1220 Comment
  UC864868  Lotus rigidus S. B. Parish 1917-4-4 Riverside Palm Canyon Colorado desert Comment
  JOTR31942  Lotus salsuginosus var. brevivexillus La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2180 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky drainages feeding into southwest Pinkham Wash Comment
  UC56575  Lotus salsuginosus var. brevivexillus H. M. Hall 1902-4-12 2848 Riverside Coyote Canyon, w borders of Colorado Desert Colorado Desert 152 Comment
  RSA406905  Lotus scoparius var. brevialatus Christopher Davidson 1973-4-1 1787 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  RSA192128  Lotus scoparius var. scoparius E. W. Lathrop 1965-5-9 5749 Riverside 6 miles W of Murrieta. Comment
  RSA314661  Lotus strigosus R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55480 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  RSA660943  Lotus strigosus A. C. Sanders 1998-3-17 21743 Riverside Shipley/Skinner Reserve area; North Domenigoni Hills, S of Hemet 343 Comment
  UCR167821  Lotus strigosus John F. Green 2005-3-16 s.n. Riverside Perris-Aguanga Basin, Cajalco Canyon, SE of Corona, SW of Lake Mathews, east of Calif. highway 71; Collections made while monitoring pipeline repair 366 Comment
  RSA498731  Lotus strigosus var. strigosus Freda Detmers 1933-3-25 17160 Riverside Between Banning and Cabazon. Comment
  SEINET3557308  Lotus tomentellus C. L. Hitchcock 1940-3-29 5854 Riverside Cottonwood Canyon, 100 yards east of Spring Comment
  RSA670676  Lotus wrangelianus B. C. Templeton, I. W. Clokey 1930-4-9 1026 Riverside North of Banning 457 Comment
  CLARK-A1045-402  Ludwigia peploides George K. Helmkamp 1979-5-15 Riverside Jurupa ""at S.A. Picnic Area""; ; Fontana 7.5' Q 243 Comment
  CLARK-A1528-6667  Ludwigia peploides Ken F. Clarke 1971-9-7 Riverside Santa Ana River Comment
  RSA314163  Lupinus andersonii Walter Wisura 1983-6-25 3910 Riverside Pacific Crest Trail betw. Morris Ranch and Fobes Ranch, San Jacinto Mts. Comment
  UCR102427  Lupinus andersonii Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mtns, along dirt road to the north of Castille Canyon Dr. at Poppet Flat, off Hwy 243. Comment
  CLARK-A1045-305  Lupinus arizonicus George K. Helmkamp 1977-3-20 Riverside Deep Canyon Pinyon Pines area; ; ; Palm Desert 15'Q 1066 Comment
  CLARK-A1528-491  Lupinus arizonicus Susan Larisch 1963-3-23 60 Riverside Mecca Comment
  POM349958  Lupinus arizonicus M. B. Dunkle 1932-3-25 2913 Riverside 10 miles NW of Indio. Colorado Desert. 30 Comment
  CLARK-A1528-493  Lupinus bicolor C. M. Flanagan 1973-4-21 OO 322 Riverside Banning 1097 Comment
  POM305804  Lupinus bicolor Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1055 Riverside Elsinore. Comment
  RSA591821  Lupinus bicolor E. W. Lathrop 1966-3-23 6094 Riverside 4 miles west of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. 610 Comment
  UC1537129  Lupinus bicolor Gordon H. True Jr. 1935-3-18 124 Riverside hills e Citrus Expt. Station (Box Springs); e of Citrus Expt. Station, Box Springs 365 Comment
  UCR171985  Lupinus bicolor John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula; Long Canyon, Southern California Edison right of way, intersection of Southern Cross Road and Agena Street W to Candida Drive 366 Comment
  UCR138143  Lupinus bicolor subsp. marginatus D. L. Banks, V. W. Steinmann 1997-3-13 1418 Riverside NW Palomar Mtns, Agua Tibia Mtns: Redhawk Housing Development, north of the Pechanga Indian Reservation in the hills south of the intersection of Marge Place and Tehachapi Pass (S of Redhawk Parkway) 378 Comment
  SEINET7358736  Lupinus concinnus L. Haines 1937-4-9 s.n. Riverside Pasture one mile west of San Jacinto, California;; 0 Comment
  UC1929497  Lupinus concinnus Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10483 Riverside Peninsular Ranges, San Jacinto Mountains/Colorado Desert: E 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
  UCR214134  Lupinus concinnus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37738 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 518 Comment
  UCR60918  Lupinus concinnus Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3166 Riverside Peninsular Range, Vail Lake area; hills just to SW of the dam 488 Comment
  SEINET10485122  Lupinus concinnus subsp. orcuttii Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-22 Holmgren 6463 Riverside Rice valley, 7 mi. Ssw of rice. T2s, r20e, sec 21. Sand dunes; frequent. 274 Comment
  RSA356755  Lupinus concinnus var. concinnus R. F. Thorne 1973-5-23 45538 Riverside Santa Rosa Plateau:; N side of Mesa de Colorado. 610 Comment
  HSC85266  Lupinus densiflorus var. austrocollium Steve Boyd 1986-4-22 1763 Riverside W side of Indian Wash, S of I-15 Comment
  RSA494642  Lupinus densiflorus var. lacteus B. L. Phillips 1988-4-29 s.n. Riverside Vail Lake, E of Temecula, in canyon S of, and draining into, SW finger of lake. Comment
  SEINET10485242  Lupinus densiflorus var. lacteus Woglum 1938-5-1 WOGLUM 1603 Riverside Between hemet and aguanga. Comment
  LA205082  Lupinus excubitus Elizabeth McClintock; 1936-7-20 sn Riverside San Jacinto Mountains, Idyllwild Comment
  OBI42759  Lupinus excubitus Melody Lardner 1981-5-19 188 Riverside Collected in the Main St Cyn in the Santa Ana Mts, 3.5 mi S of Hwy 91 at the end of Main St 427 Comment
  LA205063  Lupinus excubitus var. hallii W. E. Pequegnat; 1939-4-8 27 Riverside Santa Ana Mountains Comment
  UC1713285  Lupinus formosus C. V. Meyer June 1927 175 Riverside Dark Canyon; San Jacinto Mts., Dark Canyon 1828 Comment
  RSA581746  Lupinus hirsutissimus M. Wall, L. Fuentes 1995-4-13 97 Riverside San Jacinto Mountains, along Hwy 243, 3.0 miles south of Interstate 10 out of Banning, road pull out north of sloping, broad Canyon, 1993 burn area. Comment
  JEPS65300  Lupinus latifolius var. parishii W. L. Jepson 1903-8-4 2280 Riverside Chalk Hill San Jacinto Mt. (south hillside, San Jacinto Mt.); San Jacinto Mt. Chalk Hill, South hillside 1493 Comment
  LA205141  Lupinus latifolius var. parishii Carl Epling; William Robison 1935-6-30 sn Riverside north fork San Jacinto River Comment
  RSA676294  Lupinus sparsiflorus Scott D. White 2001-4-3 8220 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  UCR213497  Lupinus sparsiflorus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-18 38411 Riverside Peninsular Range, southeastern Gavilan Hills near Alberhill, north of Concordia Ranch Rd. and Black Powder Rd. 502 Comment
  SEINET10490243  Lupinus sparsiflorus subsp. inopinatus David B. Dunn 1947-3-16 Dunn 2919 Riverside Found a 100 hundred yards se of cabazon in the banning pass. Comment
  SEINET10490985  Lupinus succulentus var. succulentus August J. Breitung 1953-4-26 Breitung 14772 Riverside San jacinto. Sandy field. Flowers blue. Keel ciliate above and below near Base. Comment
  RSA262120  Lupinus truncatus E. W. Lathrop 1968-6-2 6966 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. Comment
  UCR22037  Lupinus truncatus Steve Boyd 1980-5-11 241 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  POM179064  Lycium andersonii R. H. Peebles, H. F. Loomis 1930-4-6 139 -C Riverside Munsen Canyon, Eagle Mts. Corollas Desert. Comment
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Jul 5 2010
  RSA209594  Lycium andersonii S. W. Austin 1969-4-3 3 Riverside [Riverside] West slope of Box Springs Mountains, east of railroad tracks and north of ravine north of Big Springs Rd. 427 Comment
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Jun 24 2012
  UC1004769  Lycium brevipes E. C. Jaeger 1939-12-29 Riverside 5 mi e Indio (Eytel Canyon branching from Fargo Canyon); Fargo Canyon, Eytel Canyon 243 Comment
  UC179043  Lycium cooperi S. B. and W. F. Parish Apr 1882 Riverside Morongo Pass Comment
  UCR33529  Lythrum californicum Sears, R. Twitchell 1977-10-12 S 565 Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, Corn Springs 512 Comment
  CSUSB1940  Lythrum hyssopifolia Deborah Sullivan 1973-7-9 Riverside Glen Avon, Riverside. 243 Comment
  UCR164065  Lythrum hyssopifolia John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, Los Alamos Canyon 1.5 mi. SW of Los Alamos Ranch, just outside Cleveland Nat. Forest boundary 564 Comment
  UCR201949  Lythrum hyssopifolia Mike Misenhelter 2005-7-12 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, c. 3 miles E of Sun City, c. 2 mi. SW of Winchester, Hemet U. School Distr. proposed elementary school site, 14 acres on south side of Salt Creek and NE of the intersection of Leon and Patton Rds. 444 Comment
  SD227848  Maclura pomifera A. C. Sanders, K. C. Rose 1999-6-18 22799 Riverside Skinner/Domenigoni area; French Valley, E side of Wawhington Ave., 1/2 mile S of Rawson Rd. (Winchester 7.5'Q). 438 Comment
  UCR79486  Madia exigua Steve Boyd, T. Ross 1992-6-10 7642 Riverside Southern Santa Ana Mtns., San Mateo Canyon Wilderness Area, Santa Ana Mountains; about 'Potrero Escondido', an isolated area of low relief topping the ridge system due west of jct. Tenaja Rd. & Los Alamos Rd at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek 673 Comment
  RSA674531  Madia gracilis Scott D. White, Sandy Leatherman 2000-5-31 7989 Riverside Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. 640 Comment
  SDSU13822  Madia gracilis W. Miller 1972-8-19 Riverside Comment
  UCR18505  Madia minima A. C. Sanders 1978-6-11 00151 Riverside San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  POM46858  Maianthemum stellatum Mary F. Spencer 1924-5-5 2391 Riverside Tahquitz Valley, San Jacinto Mountains. 2591 Comment
  UC75776  Malacothamnus densiflorus Miss. M. A. King 1893-1 Riverside Menifee Comment
  CSUSB1446  Malacothamnus fasciculatus Dean Jones 1966-2-25 Riverside Along creek a few a hundred yards past the road, in canyon, south of Stone Face, in Riverside. 365 Comment
  UCR102048  Malacothamnus fasciculatus B. G. Pitzer 1997-4-20 3171 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
  UCR231744  Malacothamnus fasciculatus John F. Green 2008-4-23 08- 11 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  UCR90378  Malacothrix clevelandii D. L. Banks, P. Morrell 1995-5-4 0310 Riverside Agua Tibia Mtns., Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn, east of the Dripping Springs Alcove Area, north of the Wildhorse Trail, on hills north of Wildhorse Peak. 732 Comment
  HSC99166  Malacothrix glabrata Paul J. CaraDonna 2009-3-15 121 Riverside Cholla Gardens, Joshua Tree National Park Comment
  JOTR32434  Malacothrix glabrata La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2278 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; sandy flats at base of mountains and northern edge of valley (Stop 4) 996 Comment
  RSA0122705  Malacothrix glabrata Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9059 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
  SEINET3082467 Image available Malacothrix glabrata B. Pitzer 1988-3-10 654 Riverside W side of Chuckwalla Mtns., on gas line road ca. 1.5 mi. N of intersection with Red Cloud Mine Rd. (& wash); ca. 2 airline miles S of Hwy I-10. 487 Comment
  UC1539720  Malacothrix glabrata Chas. B. Fiker 1946-4-16 3415 Riverside w side Colorado Desert Comment
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Mar 23 2014
  UC1563069  Malacothrix glabrata Steve Boyd and Orlando Mistretta 1986-3-13 1433 Riverside ne of Desert Center (jtn of Parker Dam Rd and Palen Rd (rd going through pass between Palen and Granite Ranges); Palen Mountains 243 Comment
  UCR165296  Malacothrix glabrata John F. Green 2005-2-4 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 miles east of Desert Beach 24 Comment
  RSA27447  Malva parviflora I. L. Wiggins 1941-3-24 9566 Riverside 0.3 mile south of Myoma, 4.6 miles north of Indio. Comment
  POM10402  Malvella leprosa Charlotte M. Wilder 1904-10 s.n. Riverside Between Elsinore and Corona. Comment
  SD224933  Marah macrocarpa Scott D. White 1996-3-16 3830 Riverside Lakeview Mts, N of Winchester, at Maze Stone Picnic Area. Se- facing slope. USGS 7.5' Winchester topo. 609 Comment
  SEINET7907881  Marah macrocarpa D. A. Johnson 2005-1 Riverside 1 mi E of CA 74, River Rd between Perris & Lake Elsinore 488 Comment
  UCR21950  Marah macrocarpa Steve Boyd 1980-5-11 219 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  UCR24179  Marah macrocarpa John C. Roos 1966-4-23 s.n. Riverside Peninsular Range; Santa Ana Mtns, south of Corona Comment
  CAS-BOT-BC216184  Marina parryi E. E. Schellenger 1911-2-21 s.n. Riverside Palens Mts. Comment
  UC1287111  Marina parryi C. L. Hitchcock 1966-3-21 24327 Riverside 20 mi sw Blythe; Mule Mts. Comment
  UC494398  Marina parryi C. L. Hitchcock 1932-4-7 12205 Riverside Corn Springs, e Riverside County Corn Springs Comment
  SD137726  Marrubium vulgare Darin L. Banks, Steve Boyd 1995-5-3 230 Riverside Cleveland National Forest, east of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  UCR274806  Marrubium vulgare David Fraker, Aaron C. Sedgwick 2012-3-27 049 Riverside Central Mojave Desert, Copper City Road [c. 1 mi south of its junction with Coolgardie Road], Coolgardie Mesa 1189 Comment
  UCR280601  Matricaria discoidea R. E. Riefner Jr. 2016-4-24 17- 197 Riverside city of Menifee, Paloma Wash, immediately north of Holland Road and west of Haun Road 445 Comment
  UCR97697  Matricaria matricarioides A. C. Sanders, G. Helmkamp 1997-3-15 19971 Riverside Lake Skinner area: lower Rawson Canyon, along the dirt road toward Bachelor Mountain 457 Comment
  RSA556494  Medicago polymorpha Julie Greene 1993-4-3 1120 Riverside San Jacinto Wildlife Area. Weedy area by Fence Line Road gate. 441 Comment
  CSUSB1094  Medicago sativa Shirley Hill 1963-3-31 630331 2 Riverside Corner of 8th and Lincoln in Banning. 100 feet from road. Comment
  CSUSB1135  Medicago sativa Sally Bell 1964-5-1 Riverside Highway 60, about 0.5 mile east of the crest of the grade in the Badlands between Sunnymead and Beaumont, on the south side of the road. 914 Comment
  SDSU13591  Medicago sativa W. Miller Riverside Comment
  UCR2908  Melia azedarach Nancy Atha 1963-4-21 4-21-63- 4 Riverside Riverside, NW side of Box Springs Mountain, c. 100 ft. above the end of Goodrich Drive 305 Comment
  JOTR34341  Melica frutescens Andre, Jim 2012-4-11 20684 Riverside Joshua Tree National Park. N. end of Hexie Mountains, Hidden Tank Picnic Area, approx. 8 mi south of north entrance station, and 1.4 mi SW of paved road (Rte 11) 1076 Comment
  RSA660487  Melica frutescens A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23442 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
  CLARK-A1528-5176  Melica imperfecta John C. Roos 1950-4-22 4752 Riverside Box Springs Mountains 792 Comment
  LA12137  Melica imperfecta F. M. Reed; 1904-6-16 1410 Riverside arroyo tahquitz [?] Comment
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Jan 18 2014
  RSA519239  Melica imperfecta 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. 488 Comment
  SD237272  Melica imperfecta A. C. Sanders 2010-4-2 37742 Riverside Peninsular Range: Alberhill, south foot of the Gavilan Hills at Temescal Canyon, north of I-15 and Concordia Ranch Rd., 1.65 mi. ESE of Corona Lake, .5 mi. NE of Temescal Canyon Rd. where it goes under I-15 404 Comment
  UCD88010  Melica imperfecta Fred M. Reed 1906-3-17 925 Riverside Riverside and vicinity south fork of Tequesquite Arroyo opposite ore ranch. Comment
  UCR120602  Melica imperfecta Steven R. Hill 2001-5-3 33668 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 3.8 mi west of Calif. Hwy 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area 793 Comment
  UCR121322  Melica imperfecta A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 24998 Riverside Peninsular Range; San Jacinto Mtns. Region, The Badlands; summit of Mt. Eden, SW of Beaumont 717 Comment
  UCR133400  Melica imperfecta Tracy Tennant, J. S. Ross 1998-5-7 MOR- 107 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Wood Canyon (polygon W8), c. 0.6miles NNW of Cabazon. 1280 Comment
  UCR181626  Melica imperfecta Mitch Provance 2004-5-1 7605 Riverside Granitic Knolls of Riverside, Riverside, W side of Versity Hill (Coyote Hill), south side of the UCR campus 396 Comment
  SEINET11678863  Melica imperfecta Unknown 1936-1 12769 Riverside 5 mi E of Banning Comment
  CHSC7076  Mentzelia I. Wilson 1969-4-6 Riverside Dry stream bed on e side of access road to Desert Center on s side of Highway 10. Comment
  RSA27524  Mentzelia affinis I. L. Wiggins 1941-3-26 s.n. Riverside Along wash at Wiley well. Comment
  RSA524586  Mentzelia affinis Steve Boyd, L. Arnseth, J. Bonilla, Tim Ross 1990-4-3 4134 Riverside Vail Lake area, SW base of Big Oak Mtn, mouth of Temecula Creek Canyon. 396 Comment
  JOTR30972  Mentzelia albicaulis La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1945 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  POM13045  Mentzelia albicaulis P. A. Munz, D. D. Keck 1922-4-9 4857 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 427 Comment
  UC1329908  Mentzelia albicaulis James E. Cole 1941-4-15 600 Riverside Joshua Tree National Monument, Pleasant Valley Comment
  UCR25032  Mentzelia congesta A. C. Sanders 1980-7-18 1631 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  RSA678947  Mentzelia desertorum Scott D. White, Michael Honer 2001-4-12 8307 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
  UCSB4221  Mentzelia involucrata Atsatt, Pete 1958-3-21 Riverside 1.5 miles from town of Whitewater, U.S. Highway 66 & 99; up Whitewater Canyon 518 Comment
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Nov 19 2014
  POM183473  Mentzelia involucrata var. megalantha J. Ewan 1930-4-18 3085 Riverside Dry Morongo Creek below Morongo Valley, Riverside County Comment
  RSA446846  Mentzelia longiloba var. longiloba A. Menke 1955-4-27 s.n. Riverside 33 miles E of Desert Center. Comment
  RSA282473  Mentzelia obscura J. Zavortink 1964-1-20 2458 Riverside Joshua Tree National Monument, Fried Liver Wash Comment
  UCR112390  Mesembryanthemum nodiflorum A. C. Sanders, K. C. Rose 1998-5-21 21853 Riverside Hemet, Alkaline flats west of town, east of the canal, south of Hwy 74 (Florida) and c. 1/4 mi. west of Warren Rd. 457 Comment
  UCR220324  Microseris douglasii D. E. Bramlet 1992-4-3 2210 Riverside Perris-Aguanga Basin Region, 7.5 km SW of Hemet, just east of California Ave and c. 100 m north of the ATSF RR tracks, NE of the intersection of California Ave. and Marvin Hull Road and c. 300 m west of the MWD Canal 453 Comment
  CAS-BOT-BC322630  Microseris douglasii subsp. platycarpha D. Bramlet 1993-4-12 2318 Riverside The site is found 46m north of Cajalco Road and 762 m east of the intersection of La Sierra Ave. and Cajalco Road, northwest of the Siegal Ranch Road 426 Comment
  POM363441  Microseris lindleyi Christopher Davidson 1973-4-1 1792 Riverside Agua Tibia Mountains. Highway 71/79 approximately 7 miles from junction of US 395 South. 412 Comment
  UCR152633  Microseris lindleyi A. C. Sanders 2005-4-22 29590 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  CLARK-A1528-5241  Microseris linearifolia John C. Roos 1950-4-5 4721 Riverside Pigeon Pass 426 Comment
  SEINET7907896  Mimulus aurantiacus D. A. Johnson 2005-1 Riverside Between Perris & Lake Elsinore, 1 mi E of CA 74, River Rd 488 Comment
  JEPS87308  Mimulus aurantiacus var. pubescens David M. Thompson 1992-5-18 1070 Riverside 3.0 mi s of foot Banning Grade (Hwy 243 at 90 deg. turn allowing access to I-10 interchange); San Jacinto Mts. 910 Comment
  UC886280  Mimulus aurantiacus var. pubescens C. L. Hitchcock 1940-4-12 6044 Riverside 8 mi nw Elsinore 457 Comment
  UC943879  Mimulus aurantiacus var. pubescens H. E. McMinn, M. Van Rensselaer 1945-6-7 1889 C Riverside Indian Canyon Truck Trail, e slope of mts. Santa Ana Mts. 640 Comment
  UCR116516  Mimulus aurantiacus var. pubescens 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
  POM305795  Mimulus aurantiacus var. puniceus Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1064 Riverside Elsinore - Capistrano. Comment
  CLARK-A1528-860  Mimulus brevipes C. M. Flanagan 1973-5-31 OO 610 Riverside Morongo Indian Reservation 914 Comment
  RSA667131  Mimulus brevipes A. C. Sanders, T. B. Salvato 2001-5-16 24300 Riverside S of Hemet, 1/4 mi. S. of Gibbel Rd. about 1 mile E of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Bute, S of mouth of Avery Cyn. 518 Comment
  RSA717465  Mimulus brevipes Scott D. White 2006-4-28 11322 Riverside Elsinore Basin: Wildomar., east of the I-15 Freeway and north of Baxter Rd. South- and west-facing hillsides, minor ephemeral wash, and upper bajadas at bases of hills. 427 Comment
  RSA85485  Mimulus brevipes J. C. Roos, Lucille Roos 1952-4-19 5562 Riverside Box Springs Mtns. 457 Comment
  CAS-BOT-BC9460  Mimulus diffusus Philip Alexander Munz 1937-5-30 15092 Riverside North of Vandeventer Flat, Santa Rosa Mtns. 1676 Comment
  RSA680492  Mimulus floribundus Scott D. White, Michael Honer, Dylan Hannon 2003-6-24 9599 Riverside Near Rainbow Valley: Mountains west of I-15 Freeway and immediately north of San Diego County boundary. 335 Comment
  UC26998  Mimulus microphyllus Geo. F. Reinhardt June 1897 Riverside San Jacinto Mountains Comment
  RSA0030781  Mimulus moschatus var. longiflorus Mary F. Spencer 1921-7-1 1288 Riverside Idyllwild 1585 Comment
  UC597599  Mimulus palmeri Philip A. Munz 1937-5-30 15092 Riverside n Vandeventer Flat; Santa Rosa Mts. 1676 Comment
  UCR35250  Mimulus palmeri L. B. Ziegler 1969-5-12 362 Riverside San Jacinto Mtns, Lower Bautista Canyon 610 Comment
  RSA1317  Mimulus pilosus J. T. Howell 1928-7-9 1071 Riverside Head of San Juan Canyon. Elsinore Mountains 793 Comment
  RSA356647  Mimulus pilosus Robert F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. Lathrop 1975-8-29 47301 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 610 Comment
  UC667306  Mimulus rubellus Annie M. Alexander and Louise Kellogg 1941-5-6 2128 Riverside 13 mi sw 29 Palms; Joshua Tree National Monument 1371 Comment
  UCR35200  Mirabilis albida L. B. Ziegler 1967-8-25 217 Riverside San Jacinto Mtns, Hemet [Garner] Valley; Thomas Mt. Subdivision 1402 Comment
  UCR226999  Mirabilis bigelovii var. retrorsa Jim Andre 2011-2-2 16220 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
  OBI70184  Mirabilis laevis var. retrorsa Larry Kelly, David J. Keil 1988-4-16 53 Riverside Ca. 5 mi from hwy 10 on rd through Ocatillo garden, and cholla patch in Joshua tree natl monument Comment
  RSA113272  Mirabilis laevis var. retrorsa E. K. Balls 1955-4-1 20416 Riverside Hwy 74, 10.2mi, S from jct. of Hwy. 111 to Palm Springs 915 Comment
  RSA777816  Mirabilis laevis var. villosa Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 845 Riverside Chuckwalla Mountains Wilderness, off Corn Spring Road. Large wash draining out of large canyon in Chuckwalla Mountains, draining through pavement plain bajadas 396 Comment
  POM12912  Mirabilis multiflora var. pubescens P. A. Munz 1922-6-24 5812 Riverside Pipe Creek, Hemet Valley Comment
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Mar 24 2011
  CLARK-A1528-4227  Mohavea confertiflora John C. Roos 1947-2-14 3252 Riverside Eagle Mountains Comment
  JOTR33998  Mohavea confertiflora La Doux, Tasha, M. Harding 2010-4-7 2886 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  SEINET6192025  Mohavea confertiflora C. Francis Shutts 1949-3-18 47 Riverside Box Canyon on old Mecca-Blythe Hwy. 183 Comment
  UC68706  Mohavea confertiflora H. M. Hall Apr. 1905 5767 Riverside Colorado Desert, Cathedral Canyon Cathedral Canyon; Colorado Desert, Cathedral Canyon 91 Comment
  CAS-BOT-BC220029  Monardella breweri subsp. lanceolata B. D. Stark 1927-6-25 s.n. Riverside Near Cresmore [Crestmore], West Riverside 304 Comment
  JEPS63328  Monardella breweri subsp. lanceolata Carl V. Meyer 1928-8-1 624 Riverside Saunder's Meadow San Jacinto Mts. Comment
  UCR4650  Monardella breweri subsp. lanceolata Frank C. Vasek 1964-7-25 640725- 20 Riverside San Jacinto Mountains, Dark Canyon 1829 Comment
  CAS-BOT-BC215492  Monardella nana E. McClintock; H. Lewis 1941-6-29 77 Riverside Road up Santa Rosa Mt. 1 mile beyond canyon where stream crosses road Comment
  LA82993  Monardella nana Harlan Lewis; 1938-7-10 sn Riverside San Jacinto Mountains, Idyllwild Comment
  UC1499897  Monardella nana Elizabeth McClintock 1941-6-8 58 Riverside Road to Santa Rosa Mt., 0.6 mi les above Pines to Palms Highway Comment
  UC1499929  Monardella nana E. McClintock, H. Lewis 1941-6-29 73 Riverside Road up Santa Rosa Mt. 2.3 miles beyond canyon where stream crosses road. Comment
  RSA750411  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 60 Riverside Road to Santa Rosa Mt. 1.5 miles above Pines to Palms Highway. Comment
  SDSU7308  Monardella nana subsp. arida H. Wedberg 1962-4-20 912 Riverside About 1 mile SE of Pinyon Flats on raod to Palm Springs. 1219 Comment
  SEINET2442171  Monardella nana subsp. arida Unknownnown 1941-6-29 80 Riverside Road up Santa Rosa Mt. 51/2 miles beyond canyon where stream crosses road. Comment
  UCR221481  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 056 Riverside Peninsular Range; Santa Rosa Mtns., road to Santa Rosa Mtn., 0.3 mi. above Pines to Palms Highway 1456 Comment
  UC25479  Monardella nana subsp. tenuiflora H. M. Hall 1897-7-22 725 Riverside Tahquitz Valley San Jacinto Mountains; Tahquitz Valley, San Jacinto Mts., Riverside 2438 Comment
  UCR221498  Monardella nana subsp. tenuiflora Elizabeth McClintock 1940-6-30 23 Riverside Peninsular Range; San Jacinto Mtns., Fuller Mill Creek Camp, on the Banning-Idyllwild road 1585 Comment
  LA62510  Monardella viminea Carl Epling; William Robison 1933-6-26 sn Riverside Little San Bernardino Mountains, Key's View 1523 Comment
  UCR30582  Monolepis nuttalliana John C. Roos 1966-3-1 s.n. Riverside Perris basin, San Jacinto River bottom at Perris. Comment
  CAS-BOT-BC349702  Monoptilon bellidiforme Ivan Johnston 1917-4-4 1055 Riverside Colorado Desert. Palm Canyon 457 Comment
  RSA316419  Muhlenbergia asperifolia R. F. Thorne, K. L. Wright, R. K. Benjamin 1982-10-8 55393 Riverside San Bernardino Mountains: Whitewater Canyon, about 3.3 miles N of Whitewater Post Office 595 Comment
  UCR274210  Muhlenbergia asperifolia Duncan S. Bell 2014-11-14 7713 Riverside Santa Rosa Mountains, Santa Rosa Wilderness area, west side of Martinez Mountain, Cactus Spring 1292 Comment
  RSA608479  Muhlenbergia filiformis L. C. Wheeler 1961-6-24 7908 Riverside San Jacinto Mountains: Fulmor Lake. Comment
  UCR2577  Muhlenbergia filiformis F. M. Reed 1908-7-12 2444 Riverside San Jacinto Mtns., Margin of Lake Surprise [=Hidden Lake] 2744 Comment
  RSA87356  Muhlenbergia microsperma F. W. Peirson 1921-3-22 4323 Riverside Andreas Canyon, Palm Springs region Comment
  UC1584117  Muhlenbergia microsperma Steve Boyd, Tim Ross, and Laurel Arnseth 1990-3-29 3840 Riverside cinder cone ridge at n side mouth of Temecula Creek Cyn (and adjacent benches on s flank of 'Big' Oak Mtn.); Vail Lake area 396 Comment
  UCR213463  Muhlenbergia microsperma A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38364 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
  RSA192079  Muhlenbergia rigens E. W. Lathrop 1966-5-25 6333 Riverside 5 miles NW of Murrieta. Comment
  UCD87077  Muhlenbergia rigens Peter Kamb 1948-10-21 1275 Riverside Hall Canyon. San Jacinto Mts. 1645 Comment
  RSA359530  Muilla maritima Steve Boyd 1986-3-9 1394 Riverside Temescal Canyon: Alberhill Mountain, S slope of mountain just east of claymine area. 427 Comment
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Jan 15 2009
  RSA787204  Muilla maritima J. D. Olmsted 1962-5-1 428 Riverside 5 degrees NE slope just west of top of highest Southern California waterfall; 1/4 mi. SE of Falls Plateau, Snow Canyon N of Mt. San Jacinto 945 Comment
  UCR127575  Muilla maritima D. E. Bramlet 2003-4-18 3375 Riverside Base of San Jacinto Mtns., 2,348m south of Cabazon, 2,012m northwest of Cabazon Peak, and 183m northwest of the Colorado River Aqueduct 548 Comment
  RSA0010810  Myoporum laetum A. C. Sanders 2003-1-14 25664 Riverside San Bernardino Valley Region: Louis Rubidoux Nature Center, Santa Ana River. 220 Comment
  POM11893  Myosurus minimus subsp. minimus P. A. Munz, I. M. Johnston 1922-5-20 5461 Riverside Kenworthy, San Jacinto Mountains. 1433 Comment
  UCR281283  Myosurus minimus var. apus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 16 Riverside Elsinore Trough, Periodic eastern shoreline of Lake Elsinore (e.g. 1994), in the City of Lake Elsinore, +- at the borderline with the Sedco Hills Neighborhood of the City of Wildomar, in open space along west side of Mission Trail at Lewis St. 387 Comment
  RSA614810  Najas marina L. C. Wheeler 1953-3-30 7033 Riverside Alligator Slough on the Colorado River. Comment
  RSA0123350  Nama demissa Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9033 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
  UCR119340  Nama demissa B. G. Pitzer 2000-5-7 4127 Riverside Sonoran (Colorado) Desert, extreme north end of Orocopia Mountains, Shavers Valley, at base of hills c. 0.5 mi. SE of Box Canyon Road. 341 Comment
  UCR30093  Nama demissa George K. Helmkamp 1983-4-5 483- 40 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  UC24129  Nama demissa var. demissa S. B. Parish Apr 4 1896-Apr 13 1896 4128 Riverside Palm Springs (Agua Caliente) Palm Springs (desert base San Jacinto Mt.); , Palm Springs (Agua Caliente) 152 Comment
  RSA45513  Nama hispida var. spathulata J. C. Roos 1949-4-9 4203 Riverside 3 mi. N.E. of Desert Center. Comment
  SEINET238480  Nama stenocarpa A. C. Sanders, Mitch Provance 1999-9-26 23120 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd. 1.4 mi. S of Eden 433 Comment
  UC1601383  Nassella cernua Robinson and Crocker 1916-3-29 Riverside grassy foothills Santa Ana Mts. Comment
  RSA192023  Navarretia atractyloides E. W. Lathrop 1960-6-6 4836 Riverside 14 miles west of Murrieta. Comment
  UC1392824  Navarretia fossalis R. F. Hoover 1968-6-6 11152 Riverside 1 mi e Perris Comment
  UCR90771  Navarretia fossalis D. E. Bramlet 1993-5-8 2344 Riverside San Jacinto Wildlife area. 274 m south of the headquarters building, 122 m east of Davis Rd. and 168 m north of old San Jacinto River channel 434 Comment
  RSA751394  Navarretia fossalis R. E. Riefner Jr. 2003-9-26 03 -378 Riverside Wildomar, approx. 1 mile E of I-15 along Clinton Keith Rd. in vicinity of Smith Ranch Rd. 427 Comment
  POM122127  Nemacaulis denudata var. denudata S. B. Parish 1906-5-1 s.n. Riverside Palm Springs. Comment
  RSA439283  Nemacladus pinnatifidus J. D. Olmsted 1962-5-10 3644 Riverside Crest between Sandia Creek and DeLuz Creek drainages. 259 Comment
  RSA526511  Nemacladus pinnatifidus Steve Boyd, Timothy S. Ross 1990-5-11 4705 Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  POM128360  Nemacladus ramosissimus Thos. Craig 1927-4-23 210 Riverside Glen Ivy. Comment
  RSA0123278  Nemacladus ramosissimus Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8991 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  RSA525331  Nemacladus ramosissimus Steve Boyd, L. Arnseth, M. Skinner 1990-4-28 4462 -a Riverside Vail Lake area, Hwy R3 (Sage rd) at junction with Debby Road. just S of Sage. Comment
  RSA75124  Nemacladus sigmoideus F. W. Peirson 1928-4-24 7913 Riverside Below Cottonwood Springs, Eagle Mountains. Northern Colorado Desert. Comment
  RSA777653  Nemacladus tenuis var. aliformis Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 755 B Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail. 305 Comment
  RSA799238  Nemacladus tenuis var. aliformis Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 747 A Riverside North side of the Mecca hills, side canyon between the head of Box Canyon and Shavers Well, roughly 7.4 miles from Interstate 10 on Box Canyon Road. 305 Comment
  CAS-BOT-BC123187  Nemacladus tenuis var. tenuis H. M. Hall 1905-4-17 5819 Riverside Eastern base of Indio mt., Colorado Desert 150 Comment
  CLARK-A1528-548  Nemophila menziesii 1937-6-17 Riverside Box Springs Mountains Comment
  RSA421345  Nemophila menziesii M. M. Thompson 1947-6-9 c 2071 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  CSUSB122  Nemophila menziesii var. menziesii Kenneth Hibberd 1966-2-20 Riverside Arlington Ave., 1 mile east of Victoria Street, 100 yards south of road. City of Riverside. 304 Comment
  UCR35267  Nicotiana attenuata L. B. Ziegler 1973-8-15 517 Riverside Peninsular Range; San Jacinto Mtns., Hemet (Garner) Valley 1402 Comment
  UCSB41769  Nicotiana glauca Weidert, E. 1970-2-14 Riverside 1 mi N Hartford Springs, 6mi. NW Perris Comment
  RSA426702  Nicotiana glauca N. C. Cooper 1943-9-26 1015 Riverside Cabazon. 549 Comment
  JOTR34018  Nicotiana obtusifolia La Doux, Tasha, M. Harding 2010-4-7 2905 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  RSA49182  Nicotiana obtusifolia Philip A. Munz 1949-4-13 13059 Riverside Cottonwood Springs, west end of Eagle Mountains 1143 Comment
  SBBG32354  Nicotiana obtusifolia L. S. Rose 1967-12-19 Riverside La Quinta 15 Comment
  UCR245238  Nicotiana obtusifolia Jim Andre 2012-3-19 21328 Riverside Sonoran (Colorado) Desert, north end of Chuckwalla Mountains at Jaeger Nature Sanctuary, 1.5 mi. south of junction Eagle Mt Rd and I-10 freeway 411 Comment
  UCD126680  Nicotiana obtusifolia Dan Axelrod 1932-3-20 s.n. Riverside exact location unknown. Comment
  UCR111765  Nicotiana quadrivalvis Mitch Provance 1998-3-17 211 Riverside Jurupa Mountains, 'Pyrite Canyon', in the central dune area c. 1km south of the end of Savonia Dr. in Southridge, Fontana. 305 Comment
  UCR214685  Nicotiana quadrivalvis A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37671 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, N of Temescal Canyon Rd. and NW of Concordia Ranch Rd., NW of horse racing track 366 Comment
  RSA640759  Nolina parryi Russell S. Woglum 1937-5-22 539 Riverside Santa Rosa Mountains. Comment
  SD229042  Nolina parryi Dick Schwenkmeyer 2012-3-26 659 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx 1 mile northeast of junction of Highway 74 and Morris Ranch Road, base of steep bouldery slope. 1374 Comment
  CLARK-A1528-1497  Nolina parryi subsp. wolfii John C. Roos, Lucille Roos 1952-10-18 5904 Riverside Little San Bernardino Mountains 1219 Comment
  HSC961  Notholaena californica L. S. Rose 1966-12-13 66102 Riverside Palm Springs, Tahquitz Wash 183 Comment
  SBBG45299  Notholaena californica W. Wright -Mar-1890 Riverside Agua Caliente [Palm Springs] Comment
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Jul 16 2010
  UC218606  Notholaena californica Ivan Johnston 1917-4-4 Riverside Palm Canyon 304 Comment
  CLARK-A1528-34  Notholaena newberryi Fred B. Essig 1967-5-7 Riverside Riverside 457 Comment
  CHSC8535  Oenothera Edward Laidlaw Smith 1958-3-21 378 Riverside 6 mi. s. Rice, near Priest's Well. Little Santa Ana Mt. Range. Colorado River drainage area. 365 Comment
  CSUSB200  Oenothera californica Robin Maetche, Jim Hearne, Geoffrey Matthews 1971-5-19 Riverside 5 miles south of Idyllwild. Comment
  UCR155047  Oenothera californica Jason L. Hlebakos 2005-5-30 822 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  RSA399179  Oligomeris linifolia N. C. Cooper 1949-4-8 3283 Riverside Shaver's Summit east of Indio. 610 Comment
  SEINET7259361 Image available Oligomeris linifolia Leila M. Shultz, John S. Shultz 1985-1 5323 Riverside Chuckawalla Mountains at Corn Springs 518 Comment
  SEINET1004536  Oncosiphon piluliferum A. C. Sanders, T. B. Salvato 2005-1 30239 Riverside Perris Basin: San Jacinto Valley, Gilman Springs Rd., at Quail Lake Golf Course. (El Casco 7.5' Quad) 439 Comment
  UCR235094  Oncosiphon piluliferum A. C. Sanders, John F. Green 2012-5-27 40197 Riverside Peninsular Range; Perris-Aguanga Basin Region, Romoland, powerline route west of Valley Substation (on Menifee Rd.), N of McLaughlin Rd. on the E side of San Jacinto Rd 441 Comment
  UCR241815  Oncosiphon piluliferum A. C. Sanders, Timothy W. Chumley 2013-4-2 40758 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., south of I-15 Fwy, SE of Corona (Lee) Lake 405 Comment
  UCR57110  Oncosiphon piluliferum Diane Concannon 1989-5-9 s.n. Riverside S side of Lake Perris (Perris 14), opposite Allesandro Island, north of bike path 488 Comment
  UCR280999  Opuntia basilaris var. basilaris Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-31 317- 02 Riverside Temescal Valley, Corona, Mayhew Wash, west side of Campbell Ranch Rd., 300 ft. S of intersection with Temescal Canyon Rd. 328 Comment
  POM311558  Opuntia phaeacantha Lyman Benson 1963-7-13 16390 Riverside San Jacinto Mountains. Hillside 3 miles north of Gilman Hot Springs. Comment
  SD142829  Opuntia phaeacantha Judy Gibson 1998-7-29 191 Riverside Highway 74, desert slope at road edge and under bushes, near Santa Rosa Mountain. (IPB 9/07) Comment
  UCR41413  Opuntia phaeacantha A. C. Sanders 1984-4-21 5017 Riverside San Jacinto Mtns., Pinyon Flats, rocky S facing slope south of Hwy 74 and west of the dolomite mine 1220 Comment
  UCR94060  Opuntia phaeacantha Scott D. White, D. Haselfeld 1996-6-2 4267 Riverside San Jacinto / Santa Rosa Mtns, Pinyon Flat area, north of Hwy 74, c. 10 road mi. east of junction with Hwy 371. W-facing slope of Sugarloaf Mtn and adjacent valley. 1402 Comment
  POM50272  Opuntia vaseyi L. R. Abrams 1908-07 s.n. Riverside Elsinore. Comment
  UCD150804  Orcuttia californica Tom Griggs 1976-6-16 s.n. Riverside Riverside County, Santa Rosa Plateau, Mesa de Burro. Elevation estimated with Google Earth. 609 Comment
  CAS-BOT-BC355578  Oreostemma alpigenum var. andersonii H. M. Hall 1901-7-30 2574 Riverside San Jacinto Mountains.Tahquitz Valley 2499 Comment
  SD28121  Oreostemma alpigenum var. andersonii Carl B. Wolf 1932-8-5 3953 Riverside San Jacinto Mountains, On trail from Tahquitz Valley to San Jacinto Peak. 2745 Comment
  RSA583617  Osmorhiza brachypoda Steve Boyd, Darin Banks 1995-3-30 8412 Riverside Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the western edge of the Dripping Springs Alcove in tributary of Kolb Creek just east of the old Woodchuck Truck Trail road grade, just south of the Wilderness boundary. 640 Comment
  SD116585  Oxytheca emarginata Barbara Ertter, Jeffrey Strachan 1980-5-21 3480 Riverside Santa Rosa Mt Road (Forest Road 7S02) 4.5 miles south of Highway 74 (Pines to Palms Highway), 1829 Comment
  UC465835  Oxytheca trilobata F. M. Reed 1908-7-14 2555 Riverside ridge above Strawberry Valley; San Jacinto Mountains 1737 Comment
  UCSB46703  Paeonia californica James, Susanne 1977-4-23 Riverside Santa Ana foothills, south of Elsinore and north of Murietta Hot Springs 1219 Comment
  SFV4388  Palafoxia arida F. M. Ball 1964-1-4 66 2 Riverside San Bernardino Mountains About 16 miles east of Banning on main highway to Indio. Whitewater turnoff on east side of Whitewater Canyon. 450 Comment
  UCR242304  Palafoxia arida A. C. Sanders, T. B. Salvato 2012-10-12 40430 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Wileys Well Rd. c. 3 miles north of Wileys Well/ Bradshaw Trail 155 Comment
  POM363753  Palafoxia arida var. arida L. C. Wheeler 1931-11-26 368 Riverside Salton Bench Mark, Colorado Desert. -15 Comment
  POM363756  Palafoxia arida var. arida N. C. Cooper 1949-4-8 3244 Riverside Mecca Pass east of Indio. 549 Comment
  RSA653216  Palafoxia linearis var. linearis John Wallace, Steve McNabb 1991-5-5 4 Riverside Colorado River. River Bend Lodge Comment
  RSA192346  Papaver californicum E. W. Lathrop 1967-5-14 306 Riverside 1-2 miles SW of Murrieta on the De Luz road. Comment
  UCR214275  Parietaria hespera A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37746 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, north of I-15 and Concordia Ranch Rd., 1.65 mi. ESE of Corona (Lee) Lake, 0.5 mi. NE (25 deg. ) of Temescal Canyon Rd. where it goes under I-15 438 Comment
  UCR137046  Parietaria hespera var. californica A. C. Sanders 2004-5-5 27769 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  RSA180387  Parietaria hespera var. hespera E. W. Lathrop 1960-6-8 4925 Riverside 14 miles west of Murrieta. Comment
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Apr 28 2011
  SD247518  Parietaria hespera var. hespera A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-1 41551 Riverside Peninsular Range; Eastern Foot of Santa Ana Mtns: opp. S. Cal. Edison Ivy Glen Substn, Temescal Valley, mouth of Meyhew Cyn , W of I-15 crossing of Temescal Canyon Rd, N of mining operation, 0.6 km SE (101a^z) of Temescal Fire Station (Lake Mathews 7.5'Q) 328 Comment
  UCR124096  Parietaria hespera var. hespera Steven R. Hill 2001-5-3 33659 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 3.8 mi west of Calif. Hwy 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area 793 Comment
  RSA0041947  Parkinsonia florida Duncan S. Bell, Loraine Washburn 2014-4-8 s.n. Riverside Orocopia Mountains; at the entrance to Petra Canyon in Red Canyon, approximately 1 air mile north of the Bradshaw Trail. 398 Comment
  SEINET10450579  Parkinsonia torreyana Carl B. Wolf 1932-4-26 Wolf 2981 Riverside 8 mi. E of Mecca, on Blythe Road. 91 Comment
  UCR95742  Paspalum dilatatum D. L. Banks, V. W. Steinmann 1996-4-20 0902 Riverside Agua Tibia Mtns, NW Palomar Mtns; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California- Emerson Oaks Reserve 524 Comment
  CDA5093  Passiflora caerulea H. Gill, F. Harris 1974-7-8 Riverside Main Street and Mount Vernon Avenue, Highgrove. 0 Comment
  JEPS15395  Pectis papposa var. papposa Joseph and Hilda Grinnell 1937-11-30 1084 a Riverside 24 mi w Blythe; bed of Ford Dry Lake 106 Comment
  UCR100330  Pectis papposa var. papposa George K. Helmkamp 1997-11-1 2515 Riverside Sonoran (Colorado) Desert, Bermuda Dunes, 41st St and Sparky (just east of Washington and south of I-10) 30 Comment
  UCR20973  Pectocarya anisocarpa A. C. Sanders 1980-5-2 1432 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  POM10452  Pectocarya heterocarpa Charlotte M. Wilder 1905-3-12 s.n. Riverside Paloverde Valley. Comment
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Nov 24 2016
  UCR140327  Pectocarya linearis A. C. Sanders, Guy Bruyea 2004-4-2 27417 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
  UCR172213  Pectocarya linearis John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County; along San Diego Aqueduct right of way between Benton Road and the obvious drainage to the south 412 Comment
  SDSU18357  Pectocarya linearis subsp. ferocula C. Matt Guilliams 2008-2-21 474 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. 449 Comment
  RSA673717  Pectocarya penicillata Scott D. White, W. LaHaye 2000-5-27 7925 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  UCR157954  Pectocarya penicillata T. B. Salvato, A. C. Sanders 2005-5-17 915 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
  UCR172185  Pectocarya penicillata 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
  UCR47802  Pectocarya penicillata F. R. Fosberg 1932-5-9 10639 Riverside St. Johns Grade near Hemet 770 Comment
  UCR165267  Pectocarya peninsularis John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  UCR84836  Pectocarya peninsularis A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16140 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  SEINET9300461  Pectocarya platycarpa Unknown 1976-5-3 Riverside Red Mountain Road. Comment
  UCR29782  Pectocarya platycarpa George K. Helmkamp 1983-3-24 383- 13 Riverside Sonoran (Colorado) Desert, north base of the Little Chuckwalla Mountains, 1.5 miles east of Graham Pass Road 336 Comment
  RSA703418  Pectocarya recurvata LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1430 Riverside Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  UCR42930  Pectocarya recurvata D. C. Hawks 1986-4-16 s.n. Riverside Sonoran (Colorado) Desert, Whitewater Hill, c. 1.5 mi. east of Whitewater 529 Comment
  UCR91598  Pedicularis densiflora D. L. Banks, Steve Boyd 1995-3-15 0060 Riverside NW Palomar Mtns, Agua Tibia Mountains Watershed: Agua Tibia Wilderness Area, N face of Agua Tibia Mountain, Dorland Mountain area 680 Comment
  UC27331  Pedicularis semibarbata H. M. Hall 1901-7 2593 Riverside Tamarack Valley; San Jacinto Mountains 2743 Comment
  CAS-BOT-BC69221  Pellaea andromedifolia Elmer I. Applegate 1893-4-23 s.n. Riverside East Riverside Comment
  CAS-BOT-BC71400  Pellaea mucronata Munz; Harwood 1920-2-28 3231 Riverside 2 mi. S.E. of Corona 274 Comment
  RSA686927  Pellaea mucronata F. R. Fosberg 1932-1-1 850 Riverside Devils Garden near Whitewater Comment
  UCR17580  Pellaea mucronata var. californica N. R. Zabriskie, J. Zabriskie 1971-4-9 362 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
  JOTR29594  Pellaea mucronata var. mucronata Andre, Jim 2006-4-26 6773 Riverside Joshua Tree National Park. ridgetop W of upper Long Canyon, approx 0.5 mi. S. of radio tower and of NE corner (boundary) of park 1324 Comment
  RSA785456  Pennisetum villosum T. B. Salvato 2000-8-22 20 Riverside Riverside, Bascomb Drive at Don Goodwin Street 309 Comment
  RSA401846  Penstemon X parishii E. C. Jaeger 1929-6-8 s.n. Riverside McMullen Trail [Banning to McMullen Flat] 1280 Comment
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Nov 5 2011
  RSA710222  Penstemon centranthifolius N. C. Cooper 1944-7-15 1580 Riverside Palms to Pine Hwy 1463 Comment
  SEINET10299439  Penstemon centranthifolius K. Nakano 1969-4-18 27 Riverside 5.9 mi E of US Hwy 395 on Hwy 71, E of Temecula 152 Comment
  UCR121247  Penstemon centranthifolius Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2280 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  UCR24781  Penstemon centranthifolius W. W. Mayhew 1981-5-21 s.n. Riverside San Jacinto Mtns., Garner Valley. 0.5 mi east of Lake Hemet on Thomas Mtn. Road. 1341 Comment
  RSA336421  Penstemon clevelandii subsp. connatus Robert F. Thorne, Smida, Whittaker 1978-4-23 52077 Riverside Bighorn Lookout; Santa Rosa Mountains, along Palms to Pines Hwy Comment
  CLARK-A1528-1221  Penstemon cordifolius Robin L. Kobaly 1972-5-20 RLK 720520 Riverside San Jacinto Mountains 914 Comment
  POM15011  Penstemon grinnellii Mary F. Spencer 1922-7-2 1670 Riverside FernValley. Idyllwild. 1829 Comment
  RSA234077  Penstemon heterophyllus var. australis Robert F. Thorne, E. W. Lathrop 1969-6-6 39333 Riverside Santa Rosa Plateau: Rancho California. 610 Comment
  UC27466  Penstemon labrosus H. M. Hall July, 1901 2506 Riverside vicinity Strawberry Valley (San Jacinto Mountains, Southern California); San Jacinto Mountains, vicinity Strawberry Valley 1584 Comment
  RSA680523  Penstemon rostriflorus Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8630 -B Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. i.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  RSA221075  Penstemon spectabilis E. W. Lathrop 1966-5-8 6401 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  SEINET238564  Penstemon spectabilis var. spectabilis George K. Helmkamp 1998-6-27 4085 Riverside Santa Rosa Mtns.: 3.3 mi S of Hwy 74 along Santa Rosa Mtn Rd. in vicinity of an unnamed spring. 1585 Comment
  CAS-BOT-BC330350  Pentachaeta aurea Edmund C. Jaeger 1921-7-14 s.n. Riverside San Jacinto Mountains, Idyllwild 1584 Comment
  JEPS21329  Pentachaeta aurea W. L. Jepson May 17 1901-Jun 1 1901 1292 Riverside Strawberry Valley San Jacinto Mt. Comment
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Jul 8 2014
  UC218151  Perideridia parishii subsp. latifolia P. A. Munz 1922-9-5 6367 Riverside Tahquitz Valley San Jacinto Mts. 2194 Comment
  LA204582  Peritoma arborea Carl Epling; March 1927 sn Riverside Whitewater Pass, near Palm Springs Comment
  CAS-BOT-BC77481  Peritoma arborea var. angustata Lewis S. Rose 1935-12-20 35676 Riverside Whitewater 335 Comment
  CAS-BOT-BC77483  Peritoma arborea var. angustata F. O. Ballow 1926-2-25 s.n. Riverside Valley near Banning Comment
  CAS-BOT-BC77494  Peritoma arborea var. angustata L. R. Abrams 1912-7-11 4920 Riverside Near Sugar Leaf Valley Comment
  CAS-BOT-BC73775  Peritoma arborea var. arborea J. Beley 1974-2-22 73 -641 Riverside 1 1/2 mile east of Cabazon Comment
  CAS-BOT-BC77528  Peritoma arborea var. arborea F. A. Thackery 1928-5-7 179 Riverside Whitewater Comment
  CAS-BOT-BC355991  Perityle emoryi D. E. Breedlove 1962-3-11 1888 Riverside Cat Creek wash, 3 miles southwest of Palm Desert 426 Comment
  RSA650938  Perityle emoryi David B. Dunn 1947-7-12 2981 Riverside Pushawalla Canyon, Indio Hills. Top of the hill on the east side. Comment
  UCD134885  Perityle emoryi David Charlton 1988-2-18 1121 Riverside Alluvial Fan, south side of Little San Bernardino Mountains. Fargo Canyon Road to Cottonwood Wash, south of Joshua Tree National Park, parallel to I-10. 1 mile east of Jct Dillon Road and Fargo Canyon Road. 609 Comment
  UCR148468  Perityle emoryi 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
  CAS-BOT-BC413483  Persicaria amphibia I. M. Johnston 1918-5-30 2027 Riverside Lee Lake, Temescal Canon [Canyon] 335 Comment
  CAS-BOT-BC419046  Persicaria lapathifolia Philip A. Munz 1935-10-21 14653 Riverside Santa Ana River below Rincon Comment
  HSC25861  Petalonyx thurberi R. W. Spjut 1972-3-30 2352 Riverside Colorado Desert, just W of Palm Desert along Hwy. 74 to the base of the San Jacinto Mtns. 0 Comment
  RSA296136  Petalonyx thurberi Barry A. Prigge 1980-8-5 3878 Riverside Whitewater canyon: 1.1 miles N of Interstate 10. 473 Comment
  UCR1498  Petalonyx thurberi Paul M. Estes 1962-5-21 129 Riverside Sonoran (Colorado) Desert, 5 mi east of Indio on Hwy 99 0 Comment
  UCR169923  Petalonyx thurberi Scott D. White, Jennifer H. Jones 2005-4-21 10947 Riverside Sonoran Desert, Eastern Coachella Valley. Bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  LA49853  Petalonyx thurberi subsp. thurberi A. M. Johnson; 1933-4-28 4246 Riverside along highway about 12 mi. below Palm Springs Comment
  RSA0082903  Petalonyx thurberi subsp. thurberi Michael J. Moore, Hilda Flores Olvera, Helga Ochoterena, Ya Yang 2015-5-29 3121 Riverside Along 70th Ave. approx. 0.7 mi W of jct w/ Windward Dr. -37 Comment
  UC575069  Petalonyx thurberi subsp. thurberi C. Epling and Wm. Robison 1933-6-26 Riverside basin 5 mi. s. Horse Wells; Little San Bernardino Mts. Comment
  UCR99789  Petunia parviflora Julie A. Greene, Steve Boyd, D. E. Bramlet, Hilda Flores, H. Ochoterana 1993-7-9 1416 Riverside San Jacinto Valley, San Jacinto Wildlife Area [northwest of Lakeview] 433 Comment
  HSC25834  Peucephyllum schottii Richard Spjut 1972-2-1 2074 Riverside Colorado Desert: Southern end of the Eagle Mts.; Eagle Mt. Rd. and other sandy roads ca. 3 to 6 mi. N of Desert Center Comment
  LA203886  Peucephyllum schottii T. Craig; 1932-2-24 1796 Riverside Coachella Valley, Cathedral City Comment
  PASA1350  Peucephyllum schottii Frank W. Peirson 1930-5-29 Riverside Painted Canyon Comment
  RSA682844  Phacelia ambigua Scott D. White 2003-3-23 8836 Riverside Desert slope; Hwy 74 near Carrizo Creek crossing. 610 Comment
  RSA507479  Phacelia brachyloba Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mountains, along Hwy 243, 1-2 mi. below Mt. Edna turnoff. Comment
  UCR37457  Phacelia brachyloba Steve Boyd 1981-5-15 s.n. Riverside Peninsular Range, Gavilan Hills, confluence of the major drainage off the west slope of Estelle Mountain with Temescal Wash 320 Comment
  CLARK-A1528-552  Phacelia campanularia Charlotte Stocks 1962-5-15 Riverside Whitewater Canyon Comment
  UC1007222  Phacelia campanularia Philip A. Munz 1940-3-23 15716 Riverside wash 3 mi n Cottonwood Springs; Eagle Mts. 914 Comment
  UCR16827  Phacelia campanularia W. C. Anderson 1968-4-13 680422- 13 Riverside Sonoran (Colorado) Desert, 2 mi. south of Cottonwood Guard Station, Joshua Tree National Monument [now Park] Comment
  RSA0124817  Phacelia campanularia subsp. campanularia Duncan S. Bell, LeRoy Gross 2016-3-9 8855 Riverside Orocopia Mountains; northern section of range, approximately 0.5 air mile south of Chiriaco Summit. 546 Comment
  UCR250124  Phacelia cicutaria var. hispida A. C. Sanders 2014-4-9 41003 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 0.2 km NW of intersection with Indian Truck Trail 354 Comment
  RSA0107847  Phacelia crenulata Duncan S. Bell, Amanda Turek 2009-3-30 169 Riverside Southeast section of the Arica Mountains; approximately 1.25 air miles southwest of Priest Well. 349 Comment
  JEPS2241  Phacelia crenulata var. ambigua Joseph Grinnell 1910-3-18 Riverside Riverside Mts. Riverside Mts. (e. Riverside Co.) Comment
  RSA777727  Phacelia crenulata var. ambigua Jim Andre, G. L. Clifton 2011-2-22 17434 Riverside Mecca Hills; along Box Canyon Road, 8.5 miles NE of town of Mecca 171 Comment
  RSA0019476  Phacelia crenulata var. minutiflora Jim Andre, G. L. Clifton, Ron Kelley 2013-3-21 24386 Riverside West Riverside Mountains; at base of NW corner of range where sand ramps 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 run up against granitic bouldery slopes, about 10 miles SW of Vidal Jct., 3 miles south of Grommet RR xing at Highway 62. 363 Comment
  CHSC713  Phacelia distans V. Holt 1942-3-20 Riverside Desert Center. Comment
  JOTR31159  Phacelia distans La Doux, Tasha 2009-6-3 1867 Riverside Joshua Tree National Park. (Stop 5): Little San Bernardino Mountains, Covington Flats Area, lower slopes, just above parking area for lower Covington Flats 1460 Comment
  UC1518621  Phacelia distans Robert F. Thorne, Drs. Fosberg, Sachet, and Herbst 1983-4-23 55483 Riverside sandy wash along river where road crosses river below fish hatchery (ca 4 mi n of Whiatewater Post Office); San Bernardino Mts., Whitewater River 640 Comment
  UCR133367  Phacelia distans Jeffrey Ross, T. B. Salvato 1998-5-28 MOR- 291 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, c. 3.5 miles NNW of Cabazon 915 Comment
  UCR86872  Phacelia distans A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16245 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
  UCR94238  Phacelia distans Scott D. White 1996-4-14 3902 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
  UC489184  Phacelia imbricata subsp. patula C. V. Meyer 1928-7-30 592 Riverside Saunders Meadow San Jacinto Mts. 1706 Comment
  CSUSB146  Phacelia minor Barry Glaser 1964-3-9 640903 10 Riverside Edwards Canyon in Elsinore Mountains. 20 yards from road. 914 Comment
  RSA496139  Phacelia minor Steve Boyd, L. Arnseth, Tim Ross 1989-3-19 3026 Riverside Vail Lake area,1 mile W of Lake 610 Comment
  RSA678361  Phacelia minor Steve Boyd, Amber Maurice, Pesach Lubinsky, Lel Lubinsky 2003-4-17 10498 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
  UCR167818  Phacelia minor A. C. Sanders 2005-4-21 29578 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  UCR44211  Phacelia minor A. C. Sanders 1986-6-1 6560 Riverside San Jacinto Mountains, Trail toward Spitler Peak from 'Hurkey Creek Camp to Bonita Vista' [=Apple Canyon] Road 1829 Comment
  RSA0121043  Phacelia pedicellata Duncan S. Bell, LeRoy Gross 2016-3-29 9124 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5 air miles southeast of the summit of Martinez Mountain. 686 Comment
  UCR164294  Phacelia ramosissima S. J. Myers 2001-7-16 s.n. Riverside Peninsular Range; San Jacinto Mtns, Bautista Canyon 951 Comment
  UCR277765  Phacelia ramosissima Mitch Provance 2011-7-29 17041 Riverside Santa Ana River Valley, Santa Ana River Wash, area between Market St. and the 60 Freeway 244 Comment
  RSA74706  Phacelia rotundifolia F. W. Peirson 1919-4-13 4125 Riverside Alkali Canyon, eastward from Palm Canyon; Colorado Desert. Comment
  UCR26103  Phacelia rotundifolia John C. Roos 1947-3-15 3350 Riverside Santa Rosa Mountains/Colorado Desert, Deep Canyon 366 Comment
  UCSB16948  Phacelia rotundifolia Otey, D. 1963-5-5 Riverside 10.8 miles southwest of Palm Desert on State Highway 74 914 Comment
  OBI37519  Phalaris aquatica Steve Boyd 1985-8-7 1112 Riverside Santa rosa Plateau Region. Tenaja Rd, 3.3 mi E of jctn with 8S01 &8S02 Comment
  POM145512  Phalaris lemmonii J. B. Feudge 1927-4-12 1898 Riverside Temescal Canyon 351 Comment
  SD247291  Phalaris minor A. C. Sanders, Jim Malusa 2015-3-10 41380 Riverside Sonoran (Colorado) Desert: north end of Chocolate Mountains, eastern canyon at Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range (East of Red Canyon 7.5'Q) 611 Comment
  UCR225735  Phalaris minor A. C. Sanders, T. B. Salvato 2011-3-30 38893 Riverside Peninsular Range; Elsinore Trough, city of Lake Elsinore, Baker St. c. 100 m NW of Hwy 74/Riverside Dr. 381 Comment
  RSA206497  Phalaris minor E. W. Lathrop 1969-5-19 7066 Riverside 6 mi west of Murrieta. Mesa De Colorado of Santa Rosa Plateau Comment
  UCR199940  Phalaris paradoxa Scott D. White, Justin Wood 2008-5-13 11954 Riverside Perris Basin, I-215 freeway south of San Jacinto River crossing 431 Comment
  UCR88175  Phalaris paradoxa Karen Kirtland 1992-5-25 s.n. Riverside San Jacinto River between Nuevo Road and San Jacinto Avenue. 427 Comment
  RSA796323  Pholisma arenarium Duncan S. Bell 2009-4-18 216 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  UCR135813  Pholistoma auritum A. C. Sanders, Guy Bruyea 2004-4-2 27444 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 335 Comment
  JEPS1860  Pholistoma membranaceum S. B. Parish Mar 1882 Riverside Cabezon Station Colorado Desert, Cabezon Station Comment
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Jul 15 2009
  UC24018  Pholistoma membranaceum Samuel B. Parish Mar 1883 Riverside Colorado Desert, Cabezon Comment
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Jul 15 2009
  OBI53673  Phoradendron californicum Dennis Kucera 1987-11-14 s.n. Riverside Malki Museum garden, E of Banning off Fields Rd, Morongo Indian Reservation 610 Comment
  POM2149  Phoradendron californicum I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon 229 Comment
  RSA0042114  Phoradendron californicum Duncan S. Bell, LeRoy Gross 2014-3-20 6285 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  RSA220378  Phoradendron californicum C. W. Tilforth, John Dourley 1971-6-14 344 Riverside Between Chiriaco Summit and Red Butte Wash, aong aqueeduct maintenance rd. 534 Comment
  RSA420764  Phoradendron californicum F. R. Fosberg 1932-3-13 8089 Riverside Thousand Palm Canyon, Coachella Valley Comment
  UCR135809  Phoradendron densum A. C. Sanders, Guy Bruyea 2004-4-2 27429 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 335 Comment
  UCR6522  Phoradendron densum O. F. Clarke 1966-10-15 661015- 2 Riverside San Jacinto/Santa Rosa Mtns., end of Big Horn Rd. 915 Comment
  SD155415  Phoradendron pauciflorum Craig Reiser 2002-5-27 Riverside Santa Rosa Peak, north of east-west fire road, below peak. Comment
  RSA0026182  Phoradendron villosum John F. Emmel 1997-8-3 1521 Riverside San Jacinto Mts.; Garner Valley; ridgetop 1.1-1.2 air miles north of junction Hwy. 74 and Morris Ranch Road. 1402 Comment
  RSA0042380  Physalis crassifolia Duncan S. Bell, LeRoy Gross 2014-3-13 6237 Riverside Orocopia Mountains; southern section of range; approximately 3 air miles northwest of Clemens Well. 431 Comment
  UCR178510  Physalis crassifolia R. G. Swinney 1967-2-12 0023 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek 335 Comment
  UCR227001  Physalis crassifolia Jim Andre 2011-2-2 16222 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
  UCR5866  Physalis crassifolia O. F. Clarke 1966-10-15 661015- 11 Riverside San Jacinto/Santa Rosa Mtns., end of Big Horn Rd. 915 Comment
  UCR88301  Physalis crassifolia A. C. Sanders, K. C. Rose 1995-4-5 16364 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  HSC6807  Physaria tenella C. L. Hitchcock 1966-3-20 24309 Riverside 30 mi. N of Ogilby, along road to Blythe Comment
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Mar 2 2013
  RSA757463  Pilularia americana R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55206 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road 730 Comment
  RSA384341  Pinus jeffreyi M. B. Dunkle 1933-7-21 3734 Riverside Idyllwild 1616 Comment
  SD229026  Pinus jeffreyi Dick Schwenkmeyer 2012-8-28 815 Riverside Fuller's Mill camp, 2.6 mi. east of intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1799 Comment
  SEINET11610609  Pinus lambertiana D. A. Charlet, Dene Charlet 2010-5-7 3353 Riverside San Bernardino Mountains, San Jacinto Mountain 2609 Comment
  MACF014861  Pinus monophylla Dorothy L. Groninger 1964-12-5 21 Riverside Palms to Pines Highway 1219 Comment
  CAS-BOT-BC79092  Pinus quadrifolia Nancy Ryan Zabriskie; Walter Zabriskie 1970-5-2 286 Riverside beside Hwy 74 east of Anza turnoff; San Jacinto Mts. 1371 Comment
  SJSU1297  Pinus quadrifolia M. L. Seibert 1952-9-6 Riverside near State Hwy 74 c. 12 mi E of Anza in Santa Rosa Indian Reservation Comment
  UCSB145  Pinus quadrifolia Sager, Ginny 1960-5-15 Riverside 0.2 miles from Highway 74 on road to Anza Comment
  RSA586502  Piperia cooperi Darin L. Banks, Steve Boyd 1995-5-9 333 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of Cleveland National Forest and Agua Tibia Wilderness Area; N slope of Agua Tibia Mountain, the Dorland Mountain area, W of Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  UCR101800  Piptatherum miliaceum George K. Helmkamp, E. A. Helmkamp 1998-8-17 4445 Riverside Santa Ana Mtns., San Juan Canyon along the Ortega Hwy (Calif. Hwy 74) beside the Orange Co. line 503 Comment
  RSA599117  Piptatherum miliaceum V. W. Steinmann, D. L. Banks 1996-4-20 842 Riverside Agua Tibia Mountains, ca. 10 km east of Temecula, UC Emerson Preserve, ca. 0.5 km from main road along the East Trail, just northeast of the summer cottage., ca. 33?28'N, 117?02'W 450 Comment
  UCR270762  Pityrogramma triangularis T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8384 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 424 Comment
  UCR281115  Pityrogramma triangularis Mitch Provance, Jeremiah George 2017-3-21 317- 13 Riverside Temescal Valley, N of Hwy 15, and adjacent to S side of Temescal Canyon Rd., above Horsethief Wash (E branch impeded by development) 370 Comment
  UCR135816  Plagiobothrys acanthocarpus A. C. Sanders, Guy Bruyea 2004-4-2 27448 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 335 Comment
  UCR97686  Plagiobothrys canescens A. C. Sanders, G. Helmkamp 1997-3-15 19964 Riverside Lake Skinner area: NE of Skinner Lake in a tributary to Rawson Canyon, along the dirt road 503 Comment
  UCR93039  Plagiobothrys collinus var. californicus Steve Boyd 1986-4-2 1595 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  SEINET998504  Plagiobothrys collinus var. fulvescens Mitch Provance 2003-1 9895 Riverside Santa Ana River Valley: Northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just S of Crestlawn Memorial Cemetery. 274 Comment
  RSA741372  Plagiobothrys collinus var. ursinus Scott D. White, Justin M. Wood 2008-5-15 11982 Riverside Johnson Meadow. 1415 Comment
  UCR25970  Plagiobothrys leptocladus John C. Roos 1966-3-24 s.n. Riverside Edgemont Comment
  UCR116847  Plagiobothrys nothofulvus A. C. Sanders, Steven R. Hill 2001-5-4 24145 Riverside Santa Ana Mtns. region, W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Creek. Dr.), E side of Rancho Calif. Rd. 488 Comment
  UCR113198  Plagiobothrys tenellus A. C. Sanders 1998-3-11 21662 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, looking down on San Jacinto Valley between ends of Warren Rd. and Sanderson Ave. 610 Comment
  RSA234038  Plantago bigelovii subsp. californica Robert F. Thorne, E. W. Lathrop 1969-5-12 37943 a Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California. 625 Comment
  UCR75332  Plantago elongata A. C. Sanders 1993-5-12 14008 Riverside San Jacinto Valley, Hemet, SW corner of intersection of Florida Ave (Hwy 74) & Warren Rd., between new San Diego Aqueduct and Warren Road 460 Comment
  RSA262104  Plantago erecta E. W. Lathrop 1971-3-21 7459 Riverside Bedford Truck Trail of the Coleveland nat'l Forest, Trabuco District. 915 Comment
  UCR22077  Plantago erecta Steve Boyd 1980-5-3 174 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  SDSU13354  Plantago lanceolata Joseph Verfaillie, Shasta Gaughen 2000-4-29 47 Riverside Santa Margarita Eclogical Reserve North side. The north side of the river about 1/3 mile west of the pipe line crossing. About 15 feet from the river 232 Comment
  CDA6611  Plantago major G. D. Barbe, J. L. Johnson 1983-1-25 4038 Riverside Bank of Colorado River at Water Wheel Recreation Area, Highway 395. 0 Comment
  UCR167423  Plantago ovata 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
  UCR42481  Plantago ovata P. J. Leary 1975-2-15 917 Riverside Mojave/Colorado Desert, Joshua Tree National Monument [now Park], 2 mi. NW of Mission Well 488 Comment
  RSA402277  Plantago ovata var. fastigiata A. N. Dunn 1932-3-26 s.n. Riverside Coachella Comment
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May 24 2012
  RSA708430  Plantago patagonica Scott D. White 2005-3-29 10827 Riverside San Gorgonio Pass: Cabazon. Alluvial fan and benches west of San Gorgonio river and south of I-10 Freeway. West of existing gravel quarry, likely to be proposed for quarry expansion. 585 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
  UCR182820  Platanus racemosa R. E. Riefner Jr. 2006-9-19 06- 445 Riverside Temecula Valley, c. 0.2 mi. west of I-15 Freeway along Temecula Creek, head of Santa Margarita River 301 Comment
  UC1979539  Platystemon californicus Darin L. Banks, Peter Morrell 1995-5-4 311 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, N of the Wildhorse Trail, on metasedimentary hills N of Wildhorse Peak. Comment
  CLARK-A1045-75  Plectritis ciliosa subsp. insignis George K. Helmkamp 1978-5-20 Riverside San Jacinto Mountains 2 miles east of Mountain Center; grassy slope; Idyllwild 15'Q Comment
  POM1026  Pleuraphis rigida I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. Colorado Desert. Comment
  POM13268  Pleuraphis rigida E. C. Jaeger 1921-4-5 123 Riverside Murray Canyon. Comment
  RSA414080  Pleuraphis rigida Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  CHSC108500  Pleurocoronis pluriseta Sarah J. De Groot; Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4607 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. 402 Comment
  CAS-BOT-BC326537  Pluchea sericea C. F. Baker 1903-4-4 4148 Riverside Elsinore Comment
  CAS-BOT-BC326549  Pluchea sericea Geo. B. Grant 1906-4-20 s.n. Riverside Palm Springs Comment
  CAS-BOT-BC326550  Pluchea sericea W. R. Dudley 1903-12-29 s.n. Riverside Palm Barrancas Comment
  HSC47481  Pluchea sericea Richard Spjut, Judy Adams 1978-11-22 5241 Riverside Colorado Desert; vicinity of Indio along Dillon Rd. 0 Comment
  SEINET5568640  Pluchea sericea H. S. Gentry 1954-1 14248 Riverside Aguanga. Comment
  UCR224463  Poa annua A. C. Sanders, T. B. Salvato 2011-3-28 38811 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, between Sun City and Perris, from McLaughlin & Evans roads intersection east to I-215 Fwy 434 Comment
  RSA741010  Poa compressa Scott D. White, Justin M. Wood 2008-6-18 12227 Riverside K Flat Meadow. 1433 Comment
  UCR182096  Poa infirma Tom Chester 2005-4-7 562 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau Ecological Reserve: 0.15 miles (0.25 km) southwest from Santa Rosa Ranch along Adobe Loop Trail at north base of Mesa de Colorado 561 Comment
  UCR138764  Poa pratensis Scott D. White 1997-5-18 5163 Riverside San Jacinto Mtns., Vista Grande Area: just west of USFS Vista Grande Fire Station (i.e. Hwy 243, c. 10 road mi SE of Banning) 1509 Comment
  UCR201667  Poa pratensis Scott D. White, Justin M. Wood 2008-6-19 12268 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  RSA700019  Poa secunda Scott D. White, Michael Honer 2003-4-4 8927 Riverside Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  UCD90298  Poa secunda A. A. Beetle 1944-4-27 3003 Riverside West of Murietta. Comment
  UCR213466  Poa secunda A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37833 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, ridge west of dirt extension of Lake St., 0.9 mi. north (358 deg. ) of intersection of I-15 and Lake St. 488 Comment
  UC336957  Poa secunda subsp. secunda unknown 1988-4-14 5462 Riverside Elsinore Comment
  SEINET1004867  Polygala acanthoclada Annie M. Alexander, Louise Kellog 1941-1 Riverside Comment
  POM48565  Polygonum bistortoides Mary F. Spencer 1919-7-6 1262 Riverside Tacquitz [Tahquitz] Meadow, San Jacinto Mountains. 2378 Comment
  RSA334990  Polygonum punctatum Steve Boyd 1985-7-23 1014 Riverside De Luz Road, 8.0 miles W of Rancho California. Sandia Creek. 305 Comment
  UCR261422  Polypodium californicum Joseph Cahill 2011-1-8 111- 14 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, San Juan Loop Trail, c. 0.5 mi. from eastern trailhead off Hwy 74 590 Comment
  UCR167426  Polypogon monspeliensis John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, WNW of Rancho Dos Palmas between Coachella Canal siphons 29 and 30 24 Comment
  UCR90617  Polypogon monspeliensis Scott D. White 1995-6-29 3403 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  SD46504  Populus fremontii P. C. Everett, E. K. Balls 1956-5-1 21549 Riverside Hwy 95, 25 mi. s, of San bernardino-Riverside County line, Vidal to Blythe 399 Comment
  CAS-BOT-BC356169  Porophyllum gracile Annie M. Alexander; Louise Kellogg 1941-5-9 2141 Riverside Colorado Desert. Cottonwood Spring, Eagle Mountains 883 Comment
  RSA463701  Porophyllum gracile Harold Lint 1958-5-25 2035 Riverside East of Pinyon flats campground. Pines to Palms Hwy [Hwy 74]. Comment
  RSA0099589  Portulaca oleracea Duncan S. Bell, Evan Meyer 2014-10-28 s.n. Riverside Santa Rosa Mountains; at the foot of the mountains between Toro Canyon and Martinez Canyon. 169 Comment
  UCR59181  Portulaca oleracea George K. Helmkamp 1989-9-16 s.n. Riverside Sonoran (Colorado) Desert, S of Ripley at 32nd Street and Rannells Blvd 75 Comment
  RSA788878  Potamogeton diversifolius Gary D. Wallace 2003-7-8 4046 Riverside Hidden Lake. Comment
  SD136945  Potamogeton foliosus subsp. foliosus Steve Boyd 1994-10-14 8387 Riverside San Mateo Canyon Wilderness Area of the Clevelanmd National Forest. San Mateo Canyon at the confluence with Bluewater Canyon 328 Comment
  SD82897  Potentilla norvegica Louis B. Ziegler 1971-9-8 Riverside South slope of San Jacinto Mountains, Garner valley, flat slope of Hemet Lake. Comment
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Mar 23 2015
  RSA0020041  Proboscidea althaeifolia Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6013 Riverside Chuckwalla Valley; south side of Interstate 10, approximately 16 air miles west of Blythe and about 2 air miles southeast of Wileys Well. 122 Comment
  RSA0013892  Proboscidea althaeifolia J. C. Roos 1965-9-5 s.n. Riverside 17 mi. W of Blythe Comment
  UCR17319  Prosopis glandulosa var. torreyana Loretta Bates 1978-4-15 s.n. Riverside Sonoran (Colorado) Desert, Graham Pass Road, Chuckwalla Bench. 457 Comment
  UCR272191  Prosopis glandulosa var. torreyana Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8554 Riverside Santa Rosa Mountains, Horsethef Creek, south of Cactus Spring Trail 1064 Comment
  UCR82245  Prosopis glandulosa var. torreyana J. M. Stewart 1994-5-2 858 Riverside Western Colorado Desert, Coachella Valley, Thermal, Filmore Street & Avenue 66 Comment
  RSA792335  Prosopis juliflora var. torreyana Doris Bowers 1972-10-14 1939 Riverside Rancho Calif., NW of SBCM Dig 396 Comment
  POM296515A  Prunus fasciculata Lyman D. Benson 1954-5-2 15277 Riverside Hidden Valley Camp, Joshua Tree National Monument. Mojave Desert Drainage Area. 1341 Comment
  UC218101  Prunus fasciculata A. Gilman 1922-4-10 Riverside Morongo Pass Comment
  CAS-BOT-BC151126  Prunus fremontii L. R. Abrams 1926-3-26 11067 Riverside Palm Springs to Palm Canyon Comment
  RSA180284  Prunus ilicifolia E. W. Lathrop 1965-4-26 5696 Riverside 4 mi. W. of Murrieta. Comment
  UCR41365  Prunus ilicifolia N. M. Fellows, A. C. Sanders 1985-5-7 187 Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  RSA650387  Prunus ilicifolia C. J. Humphrey 1936-6-7 134 Riverside [No location information provided.] Comment
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Dec 15 2011
  CAS-BOT-BC356344  Psathyrotes ramosissima G. Helmkamp; E. Helmkamp 1998-1-17 2534 Riverside Box Canyon northeast of Mecca and 3.5 miles south of Shaver's Well 243 Comment
  POM308524  Psathyrotes ramosissima Henry J. Ramsey, Ramsey 1939-11-28 3171 Riverside 15 miles east of Indio Comment
  SBBG62540  Psathyrotes ramosissima M. N. Ackley -Feb-1926 301 Riverside Painted Cyn, near Mecca 76 Comment
  UC68969  Psathyrotes ramosissima H. M. Hall May 1905 5864 Riverside Chuckawalla Springs Colorado Desert Comment
  UCD135049  Pseudognaphalium biolettii John Roos 1947-3-21 3372 Riverside Plateau', Reche Canyon. Comment
  UCR183017  Pseudognaphalium biolettii Mitch Provance 2003-5-5 4429 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  JOTR35207  Pseudognaphalium canescens Harding, Mitzi, Tasya Herskovitz 2011-4-28 184 Riverside Joshua Tree National Park. Lost Horse Road; east of road, large rocky drainage on backside of Hemingway Buttress formation 1243 Comment
  SD137881  Pseudognaphalium stramineum Darin L. Banks, Steve Boyd 1995-5-9 371 Riverside North of Agaua Tibia Wilderness, west of Dripping Springs Alcove area, west of Woodchuck Campground 790 Comment
  RSA500095  Psilocarphus brevissimus Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-2 3215 Riverside Vail Lake Area, W end of bench on S flank of Oak Mt. 518 Comment
  RSA713575  Psilocarphus tenellus var. globiferus R. E. Riefner Jr. 2005-4-20 05 -238 Riverside SE ca. 0.5 mi from end of California Ave. off Florida Ave. (Hwy 74), and N of Stetson Ave. 463 Comment
  UCR111066  Psilocarphus tenellus var. globiferus D. E. Bramlet 1998-12-16 2600 Riverside maintenance road adjacent to (east of) the MWD canal & approximately 488m north from the canal crossing at the existing weather station, 701 m east of Hwy 79 and 1.22 km south of Holland Road, 50m west of the Shipley Reserve 450 Comment
  UC170156  Psilostrophe cooperi E. E. Schellenger 1894-12-4 93 Riverside Chuckawalla Bench Colorado Desert Comment
  RSA771793  Psorothamnus arborescens var. simplicifolius Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4608 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UC73147  Psorothamnus arborescens var. simplicifolius R. J. Smith 1904-1 308 Riverside near Palm Springs (Colo. Desert, Southern California); Colo. Desert (Colorado Desert), near Palm Springs Comment
  SD224973  Psorothamnus emoryi G. K. Helmkamp 1998-4-4 3138 Riverside Southern Mojave Desert: junction of CA hwy 62 (Twentynine Palms hwy) & CA hwy 177 (Desert Center-Rice Rd). 456 Comment
  SEINET2063866 Image available Psorothamnus emoryi P. Leary 1975-4-27 1115 Riverside One mile SE of Pinto Wells, Joshua Tree National Monument. 365 Comment
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Dec 3 2014
  UC555333  Psorothamnus emoryi Curtis Ferris 1932-3-20 63 Riverside Oasis Comment
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Jun 24 2008
  UCR264247  Psorothamnus polydenius A. C. Sanders, Jim Malusa 2015-9-11 41877 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, Iris Pass 691 Comment
  CAS-BOT-BC340870  Psorothamnus schottii Marcus E. Jones 1926-6-8 s.n. Riverside Whitewater Comment
  RSA0047641  Psorothamnus schottii J. M. Andre 2012-4-11 20847 Riverside north end of range, along dirt road 2.8 mi. due south of I-10 at Box Canyon Rd/Cottonwood Rd Exit 623 Comment
  RSA27143  Psorothamnus schottii C. Leo Hitchcock 1940-3-29 5849 Riverside 12 miles east of Indio. Comment
  UCR256706  Psorothamnus schottii Duncan S. Bell 2012-3-8 3148 Riverside Mojave Desert, Southern section of the Mecca Hills; north side of the canal, approximately 4.75 air miles southeast of where Box Canyon Road crosses the Coachella Canal 16 Comment
  CDA27787  Psorothamnus spinosus W. E. Henson Jul 1932 Riverside Coachella Valley. 0 Comment
  JEPS41654  Psorothamnus spinosus Marjorie Clary Oct 1930 13 Riverside Coral Reef Ranch Coachella Valley -13 Comment
  SEINET12155968  Psorothamnus spinosus Unknown 1936-1 12795 Riverside Colorado Desert N of Palm Springs Comment
  SEINET951768  Pteridaceae Norman C. Cooper 1944-1 1085 Riverside Andreas Canyon, Riverside County 457 Comment
  CAS-BOT-BC72615  Pteridium aquilinum Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 3977 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Sta. 609 Comment
  UCR16719  Pteridium aquilinum Dave Baasch 1972-5-11 720511- 01 Riverside San Jacinto Mtns, just above Lake Fulmor near Idyllwild 1646 Comment
  UCR152636  Pterostegia drymarioides A. C. Sanders 2005-4-22 29611 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  SD247440  Quercus Jeremiah George 2012-8-13 Riverside San Gorgonio Pass/Moreno Badlands: west of Beaumont, just east of junction of 60 Fwy and Jackrabbit Trail, off frontage road dead end (El Casco 7.5'Q) 715 Comment
  UCR278568  Quercus Mitch Provance 2012-9-5 912- 17 Riverside Badlands of Western Riverside County, Potrero Creek, S end of City of Beaumont, E side of Highland Springs Rd., about 100 yards south of intersection with Breckenridge Ave. 755 Comment
  LA205350  Quercus X acutidens Jonathan Sauer; Frank C. Vasek 1973-9-26 5544 Riverside Mesa de Colorado SW of Murrieta Comment
  UCSB39053  Quercus X acutidens Jorgensen, Jan 1982-1-19 Riverside 3,5 kilometer up Santa Rosa Mountain Road from highway 74, near Palm Desert, San Jacinto Mountains 1500 Comment
  CAS-BOT-BC61776  Quercus agrifolia W. R. Dudley; F. H. Lamb 1896-7-2 4781 Riverside Below Sespe Hot Springs Comment
  UCR123691  Quercus agrifolia June Latting 1973-9-1 s.n. Riverside San Jacinto Mountains, along Hwy-74 between Hemet and Mountain Center, San Jacinto River wash 732 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
  SEINET13953033 Image available Quercus agrifolia Martha P. Creighton 1952-1 464 Riverside 12 miles east of Hemet Comment
  SEINET10678317  Quercus berberidifolia Tracy Scott, Andrew Townesmith; Karen M. Meyer 2007-3-18 Scott 135 Riverside San Bernardino National Forest. San Jacinto Mountains. About 1.7 mi on Little Thomas Mtn. Rd., S of Lake Hemet, from Rt. 74. 1467 Comment
  RSA592669  Quercus cornelius-mulleri Scott D. White, D. Haselfeld 1996-7-2 4261 Riverside Pinyon Flat area, N of Hwy. 74, ca. 10 road mi. E of junction w/ Hwy. 371. W facing slope of Sugarloaf Mtn and adjacent valley. 1250 Comment
  UCR40035  Quercus cornelius-mulleri G. R. Ballmer, G. F. Pratt 1985-10-19 s.n. Riverside Little San Bernardino Mtns., side canyon off Berdoo Canyon, near boundary of Joshua Tree National Monument [Park]. 1524 Comment
  SEINET13953274 Image available Quercus dumosa Martha P. Creighton 1952-1 465 Riverside 12 mi. E. Hemet, sand and oaks 732 Comment
  RSA786539  Quercus engelmannii C. P. Cowan 1978-4-25 1287 -B Riverside 6.7 (10.7 km) miles SW on 74 from jct. with 71, 4.6 (7.3 km) miles from Lake Elsinore, Santa Ana Mountains, Cleveland National Forest. Whittaker transect #W-229. Comment
  RSA477128  Quercus turbinella Julian P. Donahue 1984-10-6 90405 Riverside Pinyon Crest, Pinyon Flat, between San Jacinto & Santa Rosa Mts. 1250 Comment
  SD229181  Quercus turbinella Dick Schwenkmeyer 2012-5-22 715 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  CAS-BOT-BC105000  Quercus wislizeni Peter H. Raven 1958-5-17 12960 Riverside along road to Banning 6.1 miles NW of Lake Fulmor, San Jacinto Mountains Comment
  UCR166153  Quercus wislizeni T. B. Salvato, John F. Green 2004-5-27 561 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1402 Comment
  UCR96263  Quercus wislizeni Scott D. White 1996-8-1 4445 Riverside San Jacinto Mtns., Idyllwild area: north of Strawberry Valley, between Bear Trap Canyon and Lily Creek 1616 Comment
  RSA40564  Quercus wislizeni var. frutescens J. C. Roos 1947-1-4 s.n. Riverside North side Box Springs Mts, above Reche Canyon 488 Comment
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Jul 8 2017
  UCR106423  Rafinesquia californica George K. Helmkamp, A. C. Sanders 1997-3-15 1486 Riverside Skinner Lake, Grassland at base of Bachelor Mtn. and adjoining chapararal. 488 Comment
  UCR26536  Rafinesquia californica A. C. Sanders, S. Hagopian 1981-5-20 2141 Riverside Perris-Aguanga Basin, S side of Pauba Valley, within l mi of Hwy 71 bridge over the Temecula River 367 Comment
  CAS-BOT-BC362619  Rafinesquia neomexicana P. A. Munz 1940-3-24 15707 Riverside 2 miles north of Cottonwood Springs, Eagle Mts. 914 Comment
  RSA278989  Rafinesquia neomexicana B. A. Prigge 1978-3-23 2439 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  RSA550012  Rafinesquia neomexicana Walter Wisura, John Dolan, C. Demme 1992-4-13 4685 Riverside Wileys Well road, 2.7 miles s of prison Comment
  RSA779696  Rafinesquia neomexicana Duncan S. Bell 2010-4-2 722 Riverside Arica Mountains: east side of mountain range, approximately 2.4 air miles northwest of Priests Well, or approximately 5.7 air miles southwest of the ghost town of Rice. 419 Comment
  UCD135362  Rafinesquia neomexicana William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  UCR86650  Rafinesquia neomexicana A. C. Sanders, J. Dice, K. Rose, D. Woodard 1995-3-29 16265 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
  RSA0013146  Ranunculus californicus var. californicus LeRoy Gross, Caitlin Elam 2013-5-14 6072 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  UC9423  Ranunculus cymbalaria var. saximontanus H. M. Hall June 1901 2169 Riverside Thomas Valley San Jacinto Mountains (pond) 1371 Comment
  UCR231042  Rhamnus californica A. C. Sanders, Kent Beaman 2011-9-27 39922 Riverside Peninsular Range; Santa Ana Mtns., Main Divide Truck Trail, 0.95 km ENE (78 deg. ) of Santiago Peak summit 1402 Comment
  JEPS42006  Rhamnus crocea W. L. Jepson 1901-5-27 1481 Riverside between Cahuilla Valley and Aguanga Comment
  RSA680346  Rhamnus crocea Scott D. White 2001-3-27 8169 Riverside Badlands: Moreno Valley area. About 1 air mile East-Northeast of the jtn State Rt. 60 w/ theodore St. Adjacent to County Landfill. 610 Comment
  RSA7214  Rhamnus crocea B. D. Stark 1933-2-19 4530 Riverside 2.5 mi. East of Nuevo. 762 Comment
  SD225089  Rhamnus crocea A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19877 Riverside Lake Skinner area: lower Rawson Canyon, just NE of the lake along the road. 456 Comment
  UCR214903  Rhamnus crocea A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37681 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, near Temescal Canyon Rd. undercrossing and N of Concordia Ranch Rd. 402 Comment
  UCR249823  Rhamnus crocea T. B. Salvato, John Lovio 2013-3-19 7361 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  LA207815  Rhamnus ilicifolia P. C. Everett; 1935-6-18 7207 Riverside Santa Ana Mountains, Coldwater Canyon Trail, 1.5 mi. N (below) main divide Motorway 1280 Comment
  POM171417  Rhamnus ilicifolia I. M. Johnston 1930-6-15 3790 Riverside Lost Palms Canyon above [Anslintz] Wall, Eagle Mts., Colo. Desert. [information from frag pack] Comment
  RSA38493  Rhamnus ilicifolia P. A. Munz 1946-10-19 11569 -a Riverside 1 miles east of Anza. 1159 Comment
  SBBG27372  Rhamnus ilicifolia P. C. Everett 1935-6-18 Riverside Coldwater Cyn Trail ca. 1.5 mi below (N) main divide motorway 1280 Comment
  UCR23453  Rhamnus ilicifolia John C. Roos, Lucille Roos 1949-4-23 4284 Riverside Sonoran (Colorado) Desert, Eagle Mtns., Munsen Canyon Comment
  CAS-BOT-BC200028  Rhododendron occidentale var. californicum Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  POM12748  Rhododendron occidentale var. californicum P. A. Munz 1922-7-6 6029 Riverside San Jacinto Mountains: north fork of Tahquitz Creek. 2226 Comment
  SBBG97184  Rhus ovata W. L. Halvorson 1977-4-1 77 -225 Riverside 5 mi S of Temecula on Hwy S16 Comment
  UCR115380  Rhus ovata June Latting 1978-5-4 s.n. Riverside Santa Ana Mountains, Santiago Peak 1732 Comment
  UC219063  Ribes cereum P. A. Munz 1922-6-28 5878 Riverside ridge w Toro Peak; Santa Rosa Mts. 2407 Comment
  RSA562619  Ribes indecorum Steve Boyd, T. S. Ross 1993-2-22 7720 Riverside Gavilan Hills, W of Perris. In canyon along Santa Rosa Road between Gavilan Plateu and road to Steele Valley. 625 Comment
  UCR122457  Ribes indecorum Scott D. White 1993-3-15 1195 Riverside Peninsular Range, Elsinore, Hwy 74, just west of NW corner of Lake Elsinore. Dickey Canyon. Comment
  UC11595  Ribes malvaceum var. viridifolium Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  RSA0022087  Ribes montigenum F. W. Peirson 685 Riverside Summit of Mt. San Jacinto. 3262 Comment
  UCR16474  Ribes nevadense Pam Maynard 1974-5-26 s.n. Riverside San Jacinto Mtns, Humber Park Trail, about 3 mi from Taquitz Peak 2287 Comment
  UCR25403  Ribes quercetorum John C. Roos 1948-5-22 3864 Riverside Pass at the top of Reche Canyon 732 Comment
  UC1929908  Ricinus communis Scott D. White, Angelia Carey 2004-7-2 10596 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. San Jacinto 7.5' Quad. Comment
  RSA335001  Ricinus communis Steve Boyd 1985-7-30 1045 Riverside De Luz rd., 7.8 miles west of Rancho [California]. Roadside weed along Sandia Creek, infrequent. Comment
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Apr 16 2009
  SEINET10815008  Ricinus communis David B. Dunn 1948-1-25 Dunn 3649 Riverside Found in ravine northeast of the top of the grade east of Riverside, CA about 5 miles out. Comment
  UCR62862  Romneya coulteri Scott D. White 1990-6-16 s.n. Riverside Santa Ana Mtns, Cleveland National Forest, private land just inside the Forest boundary; E wall of Hagador Canyon, near the mouth of the canyon 400 Comment
  UCR212974  Rorippa curvisiliqua Justin M. Wood, Brandy N. Wood 2009-7-4 1040 Riverside San Bernardino Valley, Riverside Flood Control Basin, southwest corner of Patton Road and Wineville Road, immediately south of San Bernardino County Line 256 Comment
  UCR46719  Rosa californica B. G. Pitzer, D. C. Hawks 1986-12-2 360 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
  CAS-BOT-BC158734  Rubus ursinus Alice Eastwood; John Thomas Howell 1937-4-24 3906 Riverside Coldwater Canyon, Santa Ana Mts. Comment
  RSA192111  Rubus ursinus E. W. Lathrop 1960-6-9 4986 Riverside 14 miles west of Murrieta. Comment
  RSA735069  Rumex conglomeratus Scott D. White, Angelia Carey 2004-6-4 10474 Riverside San Jacinto Mountain foothills: San Jacinto River wash and adjacent alluv. benches, near Indian Creek confluence. 503 Comment
  UCR280827  Rumex crispus T. B. Salvato, Gregg Miller 2005-6-3 1363 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River c. 2.5 mi SSW of Perris, 1.5 mi downstream of Goetz Road where the river leaves the Perris Plain and enters the hill area above Railroad Canyon 427 Comment
  UCR84876  Rumex hymenosepalus A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16203 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, alluvial fan just east of the mouth of Whitewater Canyon between Windy Point & Hwy I-10, Coachella Valley 370 Comment
  SDSU13632  Rumex salicifolius var. denticulatus W. Miller, C. Mosse 1972-7-20 Riverside By olive trees at north boundary in turn in road. Comment
  UCR35079  Rumex salicifolius var. denticulatus L. B. Ziegler 1969-6-10 373 Riverside San Jacinto Mtns., Hemet Valley (= Garner Valley) 1433 Comment
  UCR90828  Sagina apetala A. C. Sanders, G. K. Helmkamp 1996-3-17 17980 Riverside Coachella Valley, Palm Springs, shopping center at SE corner of Raquet Club Dr. and Palm Canyon Dr. 189 Comment
  RSA477743  Sagina saginoides Kessler 1921-9-1 s.n. Riverside Mt. San Jacinto. Comment
  RSA605176  Salazaria mexicana A. C. Sanders 1995-3-5 15988 Riverside Colorado Desert: Orocopia Mtns, Maniobra Valley, 1.6-3 mi. S of frontage road (old 60) along I-10, S to edge of BLM wilderness. 555 Comment
  CAS-BOT-BC103901  Salix exigua F. R. Fosberg 1932-3-13 8083 Riverside Thousand Palms Can., Coachella Valley Comment
  POM184902  Salix exigua H. P. Bracelin 1932-4-12 599 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  RSA495407  Salix exigua Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-3-11 2895 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 390 Comment
  UCR138728  Salix exigua Julie A. Greene 1993-4-3 1088 Riverside San Jacinto Valley, San Jacinto Wildlife Area. Raised wet area west of dirt road. 445 Comment
  UCR178565  Salix exigua R. G. Swinney 1967-3-5 0062 Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 381 Comment
  POM167692  Salix gooddingii C. F. Baker 1903-04 4146 Riverside Elsinore. Comment
  POM361013  Salix gooddingii Philip A. Munz 1932-3-24 12031 Riverside North of Elsinore 305 Comment
  SDSU13389  Salix gooddingii Joseph Verfaillie, Shasta Gaughen 2000-4-29 51 Riverside Santa Margarita Eclogical Reserve North side. The south side of the river just west of the the old pipeline crossing. 235 Comment
  UC483056  Salix gooddingii F. R. Fosberg 1932-3-13 8065 Riverside Upper Palm Grove along stream Thousand Palms Canyon; Coachella Valley, Thousand Palms Canyon 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
  SD80103  Salix laevigata Nancy Ryan Zabriske, Walter Zabriske 1971-4-24 392 Riverside Deep Canyon, north slope Santa Rosa Mountains, along water service road 1317 Comment
  UCR159207  Salix laevigata A. C. Sanders, Kelly Volansky 2005-8-31 31563 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  UCR232059  Salix laevigata John F. Green 2008-4-23 07- 08 Riverside Peninsular Range, hills south of Perris, powerline route above the San Jacinto River, east of Lantana Dr., south of Ethanac Rd. 439 Comment
  SEINET272324  Salix lasiolepis A. C. Sanders, G Helmkamp 1997-3-15 19966 Riverside Lake Skinner Area; lower Rawson Canyon along the dirt road toward Bachelor Mtn. UTM 10km cell: MH-9E 1N. Skinner Reser 457 Comment
  UCR109734  Salix lasiolepis R. E. Orth 1963-3-8 s.n. Riverside Riverside, Santa Ana River 213 Comment
  CAS-BOT-BC176910  Salsola tragus Ira L. Wiggins; Reed C. Rollins 1941-9-14 483 Riverside Roadside, one-half mile east of Indio Comment
  SD215602  Saltugilia australis Steve Boyd, Tim Ross, et al. 1999-4-2 4038 Riverside Vail Lake area, lower slopes of Agua Tibia Mountain, along Highway 79. 487 Comment
  UC1537501  Saltugilia australis Gordon H. True Jr. 1935-3-19 131 Riverside 6 mi se Perris; se of Perris 487 Comment
  RSA0095109  Saltugilia australis F. W. Peirson 1919-4-13 926 Riverside Tahquitz Camp, Palm Springs. Comment
  CAS-BOT-BC232922  Saltugilia latimeri Leigh A. Johnson 1992-5-15 92 -021 Riverside Pinyon Flats: 1/2 way between Palm Canyon Drive and Jeraboa Road, about 100-200 yards N of the road near a rocky outcrop. 1280 Comment
  JOTR16793  Saltugilia splendens subsp. splendens Wanrow, E. 1968-5-6 s.n. Riverside Joshua Tree National Park. EUREKA PEAK 1676 Comment
  UCR207924  Salvia O. F. Clarke 2004-2-27 s.n. Riverside Peninsular Range, Riverside; UCR Botanical Garden 412 Comment
  IRVC2065  Salvia apiana R. H. Whittaker, W. A. Niering 1963-6-6 SJ 248 Riverside 5509, Bee Canyon. San Jacinto Mountains 610 Comment
  POM158455  Salvia apiana P. A. Munz 1927-5-21 10874 Riverside 10 miles SW of Coahuila [now Cahuilla]. Comment
  UCR11353  Salvia apiana Dennis E. Kucera 1971-6-2 s.n. Riverside Peninsular Range; Moreno Valley, Kucera residence, 11681 Dalehurst, Sunnymead (now part of city of Moreno Valley) 625 Comment
  SEINET10499053  Salvia apiana David B. Dunn 1940-4-13 Dunn s.n. Riverside Torey pines. A bluff rising about 500 ft above the pacific ocean, dry sand, soil Or sandstone coastal sage, lower sonoron. Petsamo. Comment
  POM3983  Salvia carduacea P. A. Munz 1918-4-27 2125 Riverside Mouth of Temescal Canyon, southeast of Corona. Comment
  SEINET7073440  Salvia carduacea A. G. Vestal 1963-4-25 s.n. Riverside About 6.8 miles south of Sage on Route 3. Coordinate datum: NAD27. Comment
  UCLA70112  Salvia carduacea C. Epling and J. Ewan Jun 1933 Riverside near Alberhill; Temescal Canyon Comment
  UCR215631  Salvia carduacea Bao Doan 2010-5-31 15 Riverside Western edge of Sonoran (Colorado) Desert, San Gorgonio Pass, Cabazon, Elm St. south of San Gorgonio River wash, north of Riza Ave. in power line right-of-way 472 Comment
  SBBG101785  Salvia columbariae S. Boyd, T. Ross, M. Hammitt 1991-5-2 6058 Riverside Vail Lake region, SW & W flanks of Billy Goat Mtn 3 mi N Hwy 79, 1 mi W of Hwy 371 600 Comment
  UC25692  Salvia columbariae Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  UCR120959  Salvia columbariae A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23884 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  UCR234248  Salvia columbariae A. C. Sanders, T. B. Salvato 2012-4-27 40094 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy/I-15 and Indian Truck Trail, 265 m NW of El Hermano Rd. 310 Comment
  UCR252204  Salvia columbariae J. Mendoza 2011-5-28 s.n. Riverside Moreno Valley, Boulder Ridge Dr. east of intersection with Lasselle, north of Ironwood Ave. and east of Perris Blvd. on north side of valley 645 Comment
  UCSB5781  Salvia columbariae Van Leeuwen, Henry 1957-4-13 Riverside about 2 miles south of junction of US 60 and California Hwy 195 Comment
  UCR260581  Salvia columbariae var. columbariae A. C. Sanders, Nina Kidd, Jeff Crain 2015-3-31 41531 Riverside Peninsular Range; Eastern Foot of Santa Ana Mtns., Temescal Canyon, northwest of El Hermano Road junction along sandy wash of Temescal Creek 313 Comment
  RSA0003950  Salvia columbariae var. ziegleri L. B. Ziegler 1964-9-8 s.n. Riverside San Jacinto Mts., north of Kenworthy Ranger Sta., Hemet Valley. 1524 Comment
  RSA0116964  Salvia eremostachya Anstruther Davidson 1903-5-1 s.n. Riverside Palm Springs. Comment
  UC125166 Image available Salvia greatae H. M. Hall 1905-4-22 5848 Riverside near Dos Palmas; Colorado Desert; Colorado Desert, Riverside Co. Comment
  UCR251322  Salvia greatae Michelle Murphy-Mariscal 2014-5-6 50614- 01 Riverside Sonoran (Colorado) Desert, Salt Creek Canyon, 1.25 mi. NE (67 deg. ) of trestle on Kaiser mine RR at wash crossing, between RR and Bradshaw Rd. 308 Comment
  UCR279601  Salvia greatae A. C. Sanders, Jim Malusa 2017-3-28 43141 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
  HSC14360  Salvia mellifera C. L. Hitchcock 1966-3-16 24181 Riverside 0.25 mi. W of Aguanga Comment
  RSA434139  Salvia mellifera Gale Sphon 1955-3-5 s.n. Riverside Horsethief Canyon, Elsinore Mountains. Comment
  RSA543305  Salvia mellifera Steve Boyd 1991-3-17 5491 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  UCR213599  Salvia mellifera A. C. Sanders, Matthew Malle 2010-4-23 37987 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UCR213861  Salvia mellifera Scott D. White, Justin M. Wood 2009-5-22 12931 Riverside San Jacinto Mountains, Old Control Road, below Halfway Spring 915 Comment
  UC489206  Salvia pachyphylla C. V. Meyer 1928-7-27 568 Riverside near Hidden Lake; San Jacinto Mts. 2438 Comment
  RSA125249  Salvia vaseyi E. K. Balls, P. C. Everett 1957-8-20 22670 Riverside 6.6 mi. sw. along State Hwy. 74 from Palm Village (jct. State Hwy. 111). 503 Comment
  UCLA69751  Salvia vaseyi C. Epling and L. Haines 1937-5-7 Riverside 2 mi below Shumway (Palms-to-Pines Highway) Comment
  UCR169318A  Sambucus mexicana T. B. Salvato, John F. Green 2004-5-27 618 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
  RSA612777  Sanicula arguta D. L. Banks, V. W. Steinmann 1997-3-13 1425 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  UCR31299  Sanicula arguta A. C. Sanders, T. Glenn 1983-4-17 3733 Riverside Santa Ana Mtns., Mesa de Colorado, 5 mi (airline) SW of Murrieta 612 Comment
  RSA701119  Sanicula bipinnatifida Michael Wall 1996-7-1 170 Riverside Cherry Valley, along Beaumont/Oak Glen Rd along Little San Gorgonio Creek, 2.6 mi N of Cherry Vly Blvd, W side of road. Comment
  RSA552690  Sanicula tuberosa Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-2-26 6698 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  UCR149848  Sarcostemma cynanchoides Scott D. White, Michael Honer 2004-4-6 10061 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
  UCR211496  Sarcostemma hirtellum Jim Andre, T. La Doux 2008-9-13 10263 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177 (NW side), southeast end of Coxcomb Mountains, east boundary of Joshua Tree National Park 161 Comment
  UCR89695  Sarcostemma hirtellum J. M. Stewart 1990-10-28 666 Riverside Sonoran/Colorado Desert, canyon on south side of Orocopia Mtns. Comment
  UCR925  Satureja chandleri Frances Shropshire 1959-4-25 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, Guava-DeLuz Road, 1.8 mi. south of turnoff to this road at Warner's Ranch, near Murrieta 457 Comment
  JOTR30117  Schismus arabicus La Doux, Tasha, Bill Truesdell, Erin Babich 2008-3-10 1683 Riverside Joshua Tree National Park. Stop # 2 = Pinto Basin near Sandhill 538 Comment
  CAS-BOT-BC243455  Schismus barbatus Ira L. Wiggins 1966-2-22 20463 Riverside Along Highway 60, 1.5 mi. SE of Garnet Hill Comment
  UCD93275  Schismus barbatus Elizabeth Wilson 1940-4-2 s.n. Riverside Riverside Counrty: Palm Springs. Comment
  UCR116509  Schismus barbatus A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20656 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
  UC483743  Scirpus americanus F. R. Fosberg 1932-3-13 8079 Riverside Coachella Valley , Coachella Valley (Thousand Palms Canyon) Comment
  UCR107409  Scrophularia californica B. G. Pitzer 1997-3-23 2968 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  UCR137043  Scrophularia californica A. C. Sanders 2004-5-5 27785 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  RSA739707  Scutellaria bolanderi subsp. austromontana A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35648 Riverside May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  UC2015533  Scutellaria mexicana A. C. Sanders with P. MacKay, M. Jacobsmyer, C. Sanders, et al. 1995-3-5 15988 Riverside Colorado Desert, Orocopia Mountains, Maniobra Valley, 1.6-3 mi S of Frontage road (old highway 60) along I-10, S to edge of BLM wilderness. Comment
  UCSB44683  Scutellaria mexicana Hibbard, Doug 1977-5-15 Riverside up wash from west side of Hwy 74; 8.45 miles from its intersection with Hwv 111 70 Comment
  RSA612684  Scutellaria tuberosa D. L. Banks 1997-3-29 1614 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
  UCR128301  Sedum spathulifolium Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8650 Riverside San Jacinto Mtns, Idyllwild area; 'Strawberry Fuelbreak' between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek 1646 Comment
  SEINET10875856  Selaginella J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12854 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then several kilometers on Whitewater Canyon Road to where it crosses over the river. Comment
  SEINET7048001  Selaginella asprella Steven R. Hill, Kate Kramer and family 2001-4-26 33465 Riverside San Jacinto Mountains, San Jacinto Wilderness, west of Palm Springs, trails south of visitor building at terminus of Palm Springs Aerial Tramway; vicinity of Long Meadow and higher ridges. Elevation about 8500 feet. Comment
  CAS-BOT-BC69809  Selaginella bigelovii John Thomas Howell 1927-8-1 2886 A Riverside Morongo Canyon, n. Colorado desert. 609 Comment
  SEINET6336353  Selaginella bigelovii S. B. Parish 1907-4-18 6110 Riverside Western border of the Colorado Desert 200 Comment
  RSA0123156  Selaginella eremophila Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8966 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 668 Comment
  CAS-BOT-BC62250  Selaginella watsonii Clinton S. Kimball s.n. Riverside San Jacinto Mt. Comment
  SEINET3289841 Image available Selaginella watsonii M. W. Denslow, Firoozeh Navid-Ara; Valerie Soza 2003-7-15 1446 Riverside Peninsular Ranges; San Jacinto Mountains region: Northeast side of Tahquitz Peak, on trail to Saddle Junction. 2637 Comment
  RSA525408  Senecio californicus Steve Boyd, Laurel Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4516 B Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at junction of Highway R3 and Powerline Road, NE of the lake. Comment
  UCR123225  Senecio californicus D. E. Bramlet 1993-4-15 2329 Riverside Gavilan Hills, eastern Lake Mathews area, 2 km west of El Sobrante Rd. and 335 m north of Cajalco Road, 1.2 km west of the entrance gate and 152 m south of the access road 439 Comment
  CHSC7490  Senecio flaccidus var. douglasii Robert Ediger 1966-8-11 532 Riverside In Pipping Springs Public Camp 6 miles W. of Jct. C. 71 and C. 79. Comment
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Jan 3 2014
  JOTR36096  Senecio flaccidus var. douglasii La Doux, Tasha, K. Matthews, S. Szabo, B. Truesdell, J. Van Warmerdam 2007-10-4 3374 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Convergence of Lower Covington Flat and Smith Water Canyon (STOP3). 1362 Comment
  RSA0124179  Senecio flaccidus var. douglasii N. C. Cooper 1944-7-15 1604 Riverside Palms to Pines Hwy, San Jacinto Mountain. 701 Comment
  RSA651012  Senecio flaccidus var. douglasii C. J. Humphrey 1936-6-7 s.n. Riverside [No locality information] Comment
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Dec 15 2011
  JOTR36444  Senecio mohavensis La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3414 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; just west of bend in Hwy 177 near park boundary; desert pavements w/ braided rivulets (Stop 1) 213 Comment
  SBBG62720  Senecio mohavensis M. N. Ackley 1928-3-31 302 Riverside Hidden Spring 304 Comment
  SD87599  Senecio mohavensis F. W. Peirson 1921-3-22 2378 Riverside Murray CaA'on near Palm Springs. 455 Comment
  SD229165  Senegalia greggii Dick Schwenkmeyer 2012-11-6 863 Riverside Palm Canyon, Ague Caliente Indian Reservation, 2.6 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 178 Comment
  UCSB14603  Senegalia greggii Breedlove, Dennis 1961-8-5 Riverside Along State Highway 74 at Pinon Flats Campground 1249 Comment
  SEINET3107286  Senna armata Sears 1978-4-12 1184 Riverside 30 mi W of Rice; dirt road N into Cadiz Valley; N of Coxcomb Mountains. 390 Comment
  UC863359  Senna armata Carl B. Wolf 1932-10-12 4292 Riverside junction of rds. to Gold Coin Mine and Pinyon Well; Colorado Desert, Little San Bernardino Mts. 1066 Comment
  RSA675695  Sesuvium verrucosum Scott D. White 2001-5-1 8440 Riverside Near Sun City: Quail Valley: Valleys and slopes east of Canyon Lake and west of Goetz Road. 442 Comment
  UC1620068  Sibaropsis hammittii Steve Boyd and Tim Ross 1992-3-31 6771 Riverside Elsinore Peak Santa Ana Mountains, USGS Wildomar 7.5' quadrangle 1011 Comment
  SD181452  Sidalcea malviflora Scott D. White 2000-5-3 7764 Riverside Temecula area, near Wolf Valley. Valley and hillsides along unnamed tributary to Temecula Creek, directly south of 'Red Hawk' subdivision; Petchanga [quad]. Occasional to common in A+-mesic grassland. 351 Comment
  UCR132922  Sidalcea malviflora 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
  UCR178010  Silene antirrhina T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 608 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  HSC86950  Silene gallica B. Pitzer, E. Misquez 1988-2-28 634 Riverside SW of Murrieta, Walker Basin, Avenida del Oro, 2 mi. S of Rancho California Rd. 427 Comment
  SDSU4501  Silene gallica D. Hunsaker 1962-4-10 Riverside 3 miles SW from Temecula. Comment
  UCR260532  Silene gallica T. B. Salvato, Matt Malle, Tom Sullivan 2014-5-28 7992 Riverside Perris-Aguanga Basin, Menifee, south side of Bundy Canyon Road between Sunset Ave and Lynx Rd. 0.9 mi west of the intersection of Bundy Canyon Road and Murrieta Rd, and 4.2 mi southeast of Canyon Lake 543 Comment
  UCR98691  Silene gallica S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  POM305921  Silene gallica Henry J. Ramsey 1937-4-2 I- 099 Riverside Elsinore-Capistrano Comment
  RSA612478  Silene gallica D. L. Banks 1997-2-23 1339 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, south of Pechanga Road in the Reservation, north of Pechanga Creek, and east of the Pechanga Tribal Government Center. 367 Comment
  RSA701557  Silene gallica Steve Boyd, Aydee Virgen 2004-4-13 10848 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  JEPS51046  Silene parishii W. L. Jepson and H. M. Hall 1901-5-25 Riverside near summit Santa Rosa Peak; near summit Santa Rosa Peak Comment
  OBI20929  Simmondsia chinensis P. C. Everett 1937-7-7 9524 Riverside N of Temecula-Agunaga Rd on road to Hemet 762 Comment
  SBBG71063  Simmondsia chinensis R. Hoffmann 1929-2-9 Riverside Mecca-Blythe Comment
  UCR200257  Simmondsia chinensis J. M. Porter, Orlando Mistretta 2003-6-5 13612 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Chocolate Mountains. Chocolate Mountains Bombing and Gunnery Range. Unnamed canyon, south of Salt Creek, accessed via Siphon 21 of the Coachella Canal, fork running east, above the pour-off 439 Comment
  UCR244858  Simmondsia chinensis Jim Andre 2012-3-19 21375 Riverside Sonoran (Colorado) Desert, Palen Valley along Palen Pass Rd [Coxcomb Monument Rd.] (dirt), 7.1 mi. east of Hwy 177 321 Comment
  RSA769771  Sisymbrium altissimum Duncan S. Bell, J. D. England 2010-5-17 1004 A Riverside San Bernardino National Forest: Rouse Ridge, approximately 3 air miles southeast of junction of Highway 74 and forest service road 5S15. Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 1045 Comment
  RSA311422  Sisymbrium erysimoides O. F. Clarke 1973-05 s.n. Riverside Box Springs Mtns. north of Univ. of California, Riverside. Comment
  RSA0108980  Sisymbrium orientale Duncan S. Bell, Amanda Bell 2012-1-29 3081 Riverside North of the Arica Mountains; northwest section of Rice Valley; collecting at the ghost town of Rice along Highway 62. 284