Search Results — 2000 specimen records retrieved (1909 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  JEPS47973  Abies concolor W. L. Jepson and H. M. Hall 1901-5-19 1304 Riverside Strawberry Valley Southern California, Mt. San Jacinto, Strawberry Valley Comment
  SD132533  Abies concolor F. C. Vasek 1977-11-25 771125 12 Riverside San Jacinto Mountains, area around Cincos Posas Spring, below Black Mountain Lookout Comment
  CAS-BOT-BC229339  Abronia villosa Philip A. Munz 1937-5-31 15113 Riverside Below Anza Tablet [Table], head of Coyote Canyon 1005 Comment
  CAS-BOT-BC401159  Abronia villosa Sarah J. De Groot; April Garbat 2013-3-28 6995 Riverside Along Highway 177 at sandy area just south of the Desert Lily sanctuary, Chuckwalla Valley, just south of the Coxcomb Mountains 152 Comment
  UCD109833  Abronia villosa R. L. Smith 1948-3-24 s.n. Riverside Foot of Andreas Canyon. Comment
  JOTR28915  Abronia villosa var. villosa La Doux, Tasha, Bill Truesdell 2004-3-11 1150 Riverside Joshua Tree National Park. Pinto Basin; Sand Hills 533 Comment
  OBI25755  Acacia greggii David J. Keil 1980-6-20 14063 Riverside Box Cyn rd exit from I-10 Comment
  SEINET10936441  Acacia greggii David B. Dunn, A. Folsom 1948-6-17 Dunn 3814 Riverside Ravine below quad 4. At camp in Pushawalla; canyon under palms. Comment
  RSA414901  Acacia greggii var. arizonica Ora M. Clark 1929-3-17 1748 Riverside S. La Quinta. Comment
  POM294266  Acamptopappus sphaerocephalus var. sphaerocephalus Lyman Benson 1945-3-29 11644 Riverside 2 miles south of Whitewater. 366 Comment
  POM41109  Acamptopappus sphaerocephalus var. sphaerocephalus Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  UC74095  Acamptopappus sphaerocephalus var. sphaerocephalus M. F. Gilman 1904-1-1 39 Riverside Banning; Southern California Comment
Read comments
Mar 21 2011
  CAS-BOT-BC260438  Achnatherum hymenoides L. R. Abrams 1941-4-24 13930 Riverside Palm Springs Railroad Station Comment
  UCR48502  Achyrachaena mollis Steve Boyd 1986-4-19 1708 Riverside Temescal Canyon, Temescal Canyon: flats at SE end of Alberhill Mtn. 396 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
  JOTR34168  Acmispon glaber var. brevialatus Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 125 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Pinyon Well; Riparian area near small series of active springs and seeps (Stop 2) 1182 Comment
  SBBG93138  Acmispon heermannii var. heermannii G. Ballmer 1990-5-5 Riverside SE boundary of San Jacinto Potrero land grant, just N of the Colorado River aqueduct, where the rd crosses crk at the mouth of an unnamed cyn to the E Comment
  JOTR00879  Acmispon maritimus var. brevivexillus Sipe, Frank 1958-3-7 263 Riverside Joshua Tree National Park. CHOLLA GARDEN Comment
  UCD104243  Acmispon micranthus Nancy Ryan Zabriskie; Walter Zabriskie 1973-4-3 609 a Riverside Top of Poorwill Canyon, Andreas Canyon area, east slope San Jacinto Mtns. 426 Comment
  SD152856  Acmispon strigosus Steve Boyd 1992-4-15 6857 Riverside Santa Ana Mountains, San Mareo Canyon Wilderness Area, Bluewater Canyon along Bluewater Trail downstream to the confluence with san Mateo Creek, open benches 334 Comment
  SD45471  Acmispon strigosus Robert L. Dressler 1949-5-8 831 Riverside San Jacinto Mountains, 2 miles north of Idyllwild 1676 Comment
  UCR265594  Acmispon strigosus Jordan Zylstra 2014-3-18 14004 Riverside San Jacinto Mountains, Apple Canyon, west of Apple Canyon Road 1453 Comment
  UCR139641  Adenostoma fasciculatum A. C. Sanders 2004-6-30 28391 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  UCR97504  Adenostoma fasciculatum B. G. Pitzer 1997-3-23 2974 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
  SDSU13509  Adenostoma fasciculatum var. fasciculatum W. Miller with C. Mosse 1972-7-20 Riverside West edge of aqueduct clearing overlooking view (S. gate). Comment
  SFV20160  Adenostoma sparsifolium J. N. Hogue, S. G. Hogue, J. M. Wrublik 2005-9-5 263 .7 Riverside Santa Rosa Mountains Santa Rosa Mountain Truck Trail (=USFS Road 7S02). 0.7 miles from Highway 74. 1500 Comment
  UCR193964  Agrostis A. C. Sanders 2008-7-25 35887 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  UCD52431  Agrostis exarata August L. Hormay 1932-8-8 s.n. Riverside Tahquitz Valley. Comment
Read comments
Sep 8 2011
  UCR84624  Agrostis viridis Scott D. White, S. Ogg 1994-4-21 1996 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  SD187477  Ailanthus altissima Scott D. White, Angelia Carey 2004-4-16 10152 Riverside San Jacinto Mountain Foothills: Indian Creek and adjacent slopes 548 Comment
  UCR50718  Alhagi pseudalhagi Don Pendleton 1988-5-17 s.n. Riverside Eastern Colorado Desert, Blythe, in a lemon orchard on the mesa west of town Comment
  RSA703739  Aliciella latifolia LeRoy Gross 2005-3-3 1559 Riverside Palen Mountains, south side. Near end of old prospect road., [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  JOTR35090  Aliciella latifolia subsp. latifolia La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3541 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with metasedimentary rocks; exposed ridge with rocky outcrops Comment
  RSA69679  Allenrolfea occidentalis F. W. Peirson 1926-1-31 6487 Riverside Dos Palmas, Colorado Desert. Comment
  UC116545  Allenrolfea occidentalis T. S. Brandegee 1901-4-4 Riverside Colorado Desert Comment
  RSA717649  Allionia incarnata Scott D. White, Pam DeVries 2006-3-14 11248 Riverside North of the I-10 Freeway a few mi east of Indio, at proposed I-10 / McNaughton Parkway interchange. 91 Comment
  HSC85274  Allium haematochiton Steve Boyd 1986-4-22 1780 Riverside Gavilan Hills, Summit of Estelle Mountain. 841 Comment
  UCD169115  Allium marvinii Jeff B. Galvin; Diane Menuz 2009-5-1 89 Riverside San Jacinto Mtns foothills, Northwest foothills of San Jacinto Mtns foothills. North of Soboba Rd, off Poppet Flats Truck trail. 816 Comment
  RSA770514  Allium munzii S. Mashayekhi, D. McLain 2010-4-21 SM 046 Riverside Alberhill, 0.3 miles north of Nicol St. Private land of Riverside Wildlife Conservation area. Comment
  UCR22054  Allium munzii Steve Boyd 1980-5-8 214 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 625 Comment
  UCR15905  Allium parishii Steve Boyd 1978-4-22 780422- 07 Riverside Sonoran (Colorado) Desert, 5 mi north of the S entrance of Joshua Tree National Monument, near Pinto Basin Road Comment
  RSA652063  Allium peninsulare A. Mayor, T. Strid 1973-4-20 sn Riverside Railroad Canyon Road. [West of Sun City] Comment
  RSA751916  Allium peninsulare Scott D. White, Justin M. Wood 2009-5-22 12919 Riverside Old Control Road, above Halfway Spring. 1159 Comment
  UCR5959  Allium praecox Kenneth Hibberd 1966-3-27 660327- 01 Riverside Peninsular Range, La Sierra Ave., 2 mi south of Victoria Ave. on the road to Lake Mathews 366 Comment
  RSA192035  Allophyllum glutinosum E. W. Lathrop 1966-5-9 6275 Riverside 3 miles SW of Murrieta between Mesa de la Punta and Sandia Canyon. Comment
  RSA67296  Allophyllum glutinosum Verne Grant, Alva Grant 1951-6-4 16009 Riverside Small canyon 2 mi. s. of Temecula on Hwy 395. 335 Comment
  SBBG118783  Allophyllum glutinosum S. D. White 1999-7-9 7530 Riverside near Idyllwild Community Service District sewage ponds at terminus of USFS Rd 5S24.2; T5S R2E boundary of S15/22 1430 Comment
  CLARK-A1528-2277  Alnus rhombifolia John C. Roos 1951-9-25 5298 Riverside Riverside 259 Comment
  SD60432  Alnus rhombifolia Reid Moran 1964-7-27 11856 Riverside Canyon of Santa Margarita River, 2.5 miles south-southwest of Temecula 199 Comment
  UCR114963  Alopecurus saccatus Fred M. Roberts 1992-4-25 4875 Riverside San Jacinto Valley, Upper Salt Creek Watershed adjacent to Hemet, NW corner of California Avenue and Stowe Road, 3.3km ENE Winchester 455 Comment
  RSA737105  Amaranthus albus Justin M. Wood 2008-10-29 208 Riverside Murrieta Creek- 2 miles SE of Murrieta, open field N of Winchester Rd and between the creek and Jefferson Ave. 314 Comment
  UCR120293  Amaranthus blitoides var. reverchonii Mitch Provance 1998-7-23 905 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 305 Comment
  UCR272673  Amaranthus fimbriatus Sarah J. De Groot, Duncan S. Bell 2015-9-21 7584 Riverside Peninsular Range; Santa Rosa Mountains, SSW of Palm Desert, along Carrizo Road just north of Hwy 74 1053 Comment
  UCR23421  Amaranthus hybridus John C. Roos 1965-10-13 s.n. Riverside Corona Comment
  CLARK-A1528-5235  Amaranthus retroflexus John C. Roos 1937-8-17 2406 Riverside San Jacinto Comment
  RSA444675  Amaranthus retroflexus J. C. Roos 1965-8-4 s.n. Riverside Arlington Comment
  JOTR35518  Ambrosia acanthicarpa La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3338 Riverside Joshua Tree National Park. Queen Valley along Park Blvd, approx 400 m W of GeoTour Rd 1341 Comment
  POM320502  Ambrosia acanthicarpa Patricia Wilder 1970-10-15 4767 Riverside Prado Dam at base of dam in Prado Flood Control Basin. East of Chino Hills. 152 Comment
  SD124208  Ambrosia acanthicarpa Barry A. Prigge 1980-9-16 4049 Riverside Coachella Valley stormwater channel: west of Munroe St., Indio. Comment
  CLARK-A1528-4996  Ambrosia dumosa John C. Roos 1948-4-24 3796 Riverside Whitewater Comment
  JOTR29081  Ambrosia dumosa La Doux, Tasha 2005-3-30 1198 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  JOTR30065  Ambrosia dumosa La Doux, Tasha, Mike Bell, Katy Mathews, Alice Miller, Amber Holt 2007-5-23 1695 Riverside Joshua Tree National Park. Stop # 3 = Near Geology Tour rd., N of Malapai Hill 1219 Comment
  RSA416964  Ambrosia dumosa Anstruther Davidson s.n. Riverside Colorado Desert. Comment
  RSA696750  Ambrosia dumosa J. Russell Bruff 1928-4-1 75 Riverside Whitewater Comment
  RSA784725  Ambrosia dumosa Duncan S. Bell 2012-3-18 3211 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  UC1118439  Ambrosia dumosa H. S. Yates 1936-4-7 5416 Riverside Palm Springs; San Jacinto Quad. 137 Comment
  UC62863  Ambrosia dumosa H. M. Hall May 17 1901-Jun 1 1901 1868 Riverside near, (journey of Jepson & Hall from Riverside to Santa Rosa Pk & Palomar) Palm Canon 609 Comment
  SD229058  Ambrosia psilostachya Dick Schwenkmeyer 2012-11-6 878 Riverside West fork of Palm Canyon, Agua Caliente Indian Reservation, 4.7 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 227 Comment
  RSA615546  Ambrosia pumila Fred M. Roberts 1997-6-29 5043 Riverside Warm Springs Valley: Nichols Road, 0.3 km by road W jct. I-15 near head of Walker Canyon, ca 2.8 km NW Lake Elsinore. 117 Comment
  UCR172613  Ambrosia pumila A. C. Sanders, John F. Green 2006-5-18 32373 Riverside Temecula/Murrieta Region, SE of Murrieta Hot Springs along San Diego Aqueduct and powerline route, south of intersection of Chandler and Suzi Rds. and south of Murrieta Hot Springs Rd., side canyon dropping toward Santa Gertrudis Creek, 1 mile SW of Skunk Hollow 366 Comment
  CAS-BOT-BC273020  Ambrosia salsola Marian L. Campbell 1921-3-19 74 Riverside Palm Springs Comment
  CAS-BOT-BC273028  Ambrosia salsola Munz; Street; Williams 1919-3-25 2321 Riverside Palm Canyon Comment
  SD136851  Amorpha californica Steve Boyd, Tim Ross 1992-5-15 7403 Riverside Southern Santa Ana Mts., San Mateo Canyon Wilderness Area, major lateral drainage north of Bear Canyon, junction of the Tenaja & Morgan Trails, west of Round Potrero, along stream in understory of oak woodland in canyon bottom 669 Comment
  SJSU4445  Amorpha fruticosa R. L. MacDonald 1962-4-17 Riverside Palm Canyon, E slope San Jacinto Mtn near Palm Springs Comment
  RSA613322  Amsinckia intermedia D. L. Banks 1997-3-1 1387 A 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
  RSA80004  Amsinckia intermedia F. W. Peirson 1921-3-22 s.n. Riverside Murray Canyon, near Palm Springs 487 Comment
  UCR183173  Amsinckia intermedia Mitch Provance 2003-5-5 4414 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  POM9587  Amsinckia menziesii I. M. Johnston 1920-5-8 s.n. Riverside Near Wineville [RR Station] in sand by road[Wineville = Mira Loma] Comment
  UCR152528  Amsinckia tessellata A. C. Sanders 2005-4-22 29595 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR178562  Amsinckia tessellata R. G. Swinney 1967-3-5 065 Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 381 Comment
  CAS-BOT-BC79932  Antennaria microphylla H. M. Hall 1901-7-1 2401 Riverside Tamarack Valley 2834 Comment
  CAS-BOT-BC79938  Antennaria microphylla H. M. Hall 1901-7-1 2401 Riverside Tamarack Valley 2834 Comment
  POM13630  Antennaria rosea E. C. Jaeger 1921-7-1 1044 Riverside Long Valley. Comment
  RSA519212  Anthemis cotula M. Lee Overholtzer 1962-6-20 271 Riverside 4 miles southwest of Corona at Las Barrancas on oak Street. Comment
  RSA645683  Anthemis cotula Scott D. White 1999-5-20 7375 Riverside Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5 - 2 mi W of I-215 freeway. 442 Comment
Read comments
Dec 21 2010
  UCR104174  Anthemis cotula Scott D. White 1997-5-25 5242 B Riverside Perris Basin, Winchester area, roadside of Simpson Ave. <1 mi. west of intersection with Winchester Rd. 445 Comment
  JEPS26104  Antirrhinum coulterianum Peter H. Raven 1958-5-17 12942 Riverside 7.4 mi se Banning (on road to Idyllwild); San Jacinto Mountains Comment
  POM244785  Antirrhinum coulterianum E. C. Jaeger 1938-5-14 s.n. Riverside Covington Flats, Joshua Tree National Monument. 1280 Comment
  RSA304704  Antirrhinum coulterianum James R. Shevock 1970-4-25 156 Riverside Coldwater Trail 579 Comment
  UC310279  Antirrhinum coulterianum Philip A. Munz 1925-5-20 9844 Riverside Aguanga Valley Comment
  UC885070  Antirrhinum coulterianum C. B. Clokey, I. W. Clokey, and B. C. Templeton 1930-4-15 5360 Riverside Gavilan Peak 600 Comment
  UCR119363  Antirrhinum nuttallianum A. C. Sanders 1997-3-19 20050 Riverside Lake Skinner area, NE of Bachelor Mtn., small canyon below dry falls, north of dirt track off road from Rawson Cyn. 503 Comment
  RSA515311  Antirrhinum nuttallianum subsp. nuttallianum Jeri Hirshberg 1989-4-11 s.n. Riverside Santa Rosa Plateau, S of town of Murrieta, NE of Mesa de Burro, creek below Guava-De Luz Road, approximately 1.5 miles SW of intersection with Hayes Avenue. 610 Comment
  RSA614530  Antirrhinum nuttallianum subsp. nuttallianum A. C. Sanders, P. J. MacKay, Tim Thomas, O. F. Clarke 1997-5-4 20701 Riverside N side of the range, Twin Pines Creek below the confluence with Brown Creek. below the confluence with Brown Creek. 854 Comment
  UCR93825  Antirrhinum nuttallianum subsp. nuttallianum G. R. Ballmer, K. T. Stockwell 1995-6-8 s.n. Riverside Peninsular Range, Warm Springs Creek, Budweiser Ranch, 0.25-1 mi upstream of Los Alamos Road crossing 457 Comment
  RSA522741  Apiastrum angustifolium Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3848 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Cyn and adjacent benches on S flank of Big Oak Mountain 396 Comment
  UC1584116  Apiastrum angustifolium Steve Boyd, Tim Ross, Laurel Arnseth 1990-3-29 3848 Riverside Vail Lake area, on Big Oak Mountain, n side of mouth of Temecula Creek Canyon Temecula Creek Canyon; Vail Lake area, Big Oak Mountain, Temecula Creek Canyon 396 Comment
  SDSU13502  Apium graveolens W. Miller with C. Mosse 1972-7-11 Riverside Temecula Canyon. Comment
  VVC25  Apium graveolens P. J. MacKay 1975-6-1 s.n. Riverside Cismontane S Cal, Chino vic Euclid Ave bordering a channel from Prado Dam 159 Comment
  RSA0125490  Arabis M. B. Dunkle 1935-3-31 4436 Riverside Hills North Cottonwood Springs. Colorado Desert. 701 Comment
  RSA0126159  Arabis glabra C. B. Wolf 1931-5-11 1962 Riverside Near Pipe Creek, above Hemet Valley, San Jacinto Mountains. 1677 Comment
  RSA0126211  Arabis glabra Steve Boyd, C. Boyd, K. Boyd, R. Noyes, L. Arnseth 1988-5-28 2290 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 0.5 mi S of saddle. 1500 Comment
  UC66491 Image available Aralia californica E. A. Zumbo 1904-1 430 Riverside <Cold Water> Canyon Santa Ana Mts., <Cold Water> Canyon Comment
Read comments
Jun 23 2011
  SEINET6630449  Arceuthobium campylopodum N. Cooper 1944-7-16 1547 Riverside San Jacinto Mountians. Pine Cove 1524 Comment
  UCR205285  Arceuthobium campylopodum Scott D. White, T. B. Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8651 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
  CAS-BOT-BC516264  Arctostaphylos Scott D. White 1996-8-16 4482 Riverside San Jacinto Mts., Idyllwild area, SW of PIne Cove and W of Bear Trap Cyn, in watershed above Alvin Meadows (tributary to Toll Rd. Cyn.) 1859 Comment
Read comments
Oct 23 2018
  RSA629163  Arctostaphylos Jon E. Keeley 1992-7-17 16800 Riverside Road to Thomas Mountain (5S15), 6.0 km north of Toolbox Spring. 1790 Comment
  RSA629447  Arctostaphylos glandulosa Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20174 Riverside Truck trail on north-face of Santa Rosa Mountain, ca. 4 km south of Pinyon Pines, Santa Rosa Mountains. 1430 Comment
  UCR273483  Arctostaphylos glandulosa A. C. Sanders, Glen Morrison 2016-8-4 42617 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, Squaw Mountain, Avenida Escala near Hacienda Dr. intersection, 2.35 air km east of Tenaja Guard Station 747 Comment
  UCR273501  Arctostaphylos glandulosa A. C. Sanders, Glen Morrison 2016-8-4 42601 Riverside Peninsular Range; Santa Ana Mountains, south side of South Main Divide Road, SE of Morgan Trailhead into San Mateo Wilderness, 0.17 km NE (46 deg. ) of Lion Spring 872 Comment
  RSA629457  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-17 16816 Riverside Rd. to Thomas Mtn. (5S15), 11 km north of Toolbox Spring. San Jacinto Mtns. 1520 Comment
  UC1120312  Arctostaphylos glandulosa subsp. zacaensis A. E. Wieslander 1938-10-23 822 Riverside Idyllwild San Jacinto Quadrangle 1524 Comment
  RSA631773  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16546 Riverside Red Mountain Road, 9.5-10.3 km east of R3. 1050 Comment
  RSA631814  Arctostaphylos glauca Jon E. Keeley 1992-9-27 21807 Riverside Highway 74 at Pinyon Flats, southwest of Palm Desert. 1290 Comment
  UCR76880  Arctostaphylos glauca B. G. Pitzer, Stu Hemstreet 1992-5-21 1949 A Riverside Santa Ana Mtns., Cleveland National Forest, State Hwy 74, 1 mi. uphill of the 2,000 ft. marker & to the left 0.1 mi. on an old paved road 762 Comment
  RSA633534  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20163 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633542  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22667 Riverside Road to Santa Rosa Mountain. 2000 Comment
  RSA633552  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21797 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633584  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22516 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633593  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16690 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633632  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22656 Riverside Road to Santa Rosa Mountain. 2000 Comment
  RSA633644  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20157 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633654  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16618 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  RSA633682  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21757 Riverside Dirt road to Santa Rosa Mountain, 8.6 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1940 Comment
  RSA633689  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16653 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  RSA635306  Arctostaphylos patula Jon E. Keeley 1992-11-11 22539 Riverside Saddle Junction, ca. 2 km northeast of Humber Park, Idyllwild, San Jacinto Mtns. 2400 Comment
  UC82993  Arctostaphylos patula A. W. Anthony 1895-7-5 Riverside San Jacinto Mountains Comment
  RSA635795  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16590 Riverside Standley Rd., south of Red Mtn. Rd., 8.5 km east of R3. 900 Comment
  UCR178145  Arctostaphylos pungens Jeffrey Ross, T. B. Salvato 1998-5-14 MOR- 149 Riverside San Bernardino Mtns., Morongo Indian Reservation, flat area cut by small wash, south and west of dirt road to Kitching Peak near junction with East Branch Millard Canyon, tree stand M-04 1128 Comment
  RSA636158  Arctostaphylos rainbowensis Jon E. Keeley 1992-8-2 18814 Riverside East of Hwy 15, off Rainbow Cyn. Rd., 3 km north of San Diego Co. line. 400 Comment
  SD180726  Arctostaphylos rainbowensis C. Matt Guilliams 2007-8-9 410 Riverside Santa Margarita Ecological Reserve, on ridgeline above the Santa Margarita River to the south. 299 Comment
  UCD162841  Arctostaphylos rainbowensis D. O. Burge 2015-3-17 1691 Riverside Rainbow area. 410 Comment
  CAS-BOT-BC401681  Argemone munita subsp. munita Ynez Whilton Winblad 1937-4-23 s.n. Riverside Between Beaumont and Riverside Comment
  CAS-BOT-BC207132  Argythamnia lanceolata Noel H. Holmgren; Patricia K. Holmgren; Ruth E. Kern 1973-3-21 6425 Riverside Big Maria Mountains, 12 airline miles north of downtown Blythe 289 Comment
  HSC25955  Arida carnosa Richard Spjut 1972-1-6 2111 Riverside Colorado Desert; ca. 2 miles N. of Palm Springs on Indian Ave. Comment
  OBI75985  Aristida adscensionis James M. Andre 2011-2-9 15906 Riverside Mecca Hills; along Box Cyn Rd at upper end of gorge, approx 6 mi SSE of jctn with I-10, approx 12 mi W of Chiraco Summit 284 Comment
  RSA517248  Aristida adscensionis Steve Boyd, Thomas S. Elias, Kirsten Winter 1986-2-18 1313 Riverside Mecca Hills, Colorado Desert: Painted Canyon N of Highway 195. Comment
  UC574007  Aristida adscensionis H. S. Yates 1937-3-23 6436 Riverside 15 mi nne Mecca; Thermal Quadrangle Comment
  UCD56426  Aristida adscensionis D. C. Finfrock 1951-5-10 s.n. Riverside Hwy. 60-70 at Black Rock, 10 miles west of Blythe. Comment
  UCR104026  Aristida adscensionis George K. Helmkamp, E. A. Helmkamp 1998-2-5 2676 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 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
  RSA763990  Aristida californica Justin M. Wood, Dustin M. Ray 2010-10-21 2995 Riverside Chuckwalla Valley NE of Victory Springs and 0.9 km E of Kaiser Road on unmarked 4WD road. 198 Comment
  UCR248085  Aristida californica Duncan S. Bell 2012-9-13 4181 Riverside Sonoran (Colorado) Desert, Rice Valley; east side of the Arica Mountains; c. 6 air miles southeast of the ghost town of Rice and c. 5.5 air mi east of Priests Well 202 Comment
  JOTR29565  Aristida californica var. californica Andre, Jim, Tasha LaDoux 2006-4-11 6739 Riverside Joshua Tree National Park. About 1 mi. N. of Pinto Basin Rd (paved), growing in Sand Hill area 526 Comment
  CLARK-A1528-4477  Aristida parishii John C. Roos 1952-4-16 5551 Riverside Reche Canyon 457 Comment
  LA102169  Aristida purpurea John C. Roos; 1966-4-29 sn Riverside between March AFB and Lakeview Comment
  UC1930099  Aristida purpurea var. longiseta Scott D. White, Justin Wood 2008-6-5 12063 Riverside San Jacinto Mountains: Quinn Flat Meadow. Comment
  UCR201658  Aristida purpurea var. longiseta Scott D. White, Justin M. Wood 2008-6-5 12063 Riverside San Jacinto Mountains, Quinn Flat Meadow 1396 Comment
  POM6655  Aristida purpurea var. nealleyi P. A. Munz, L. T. Street 1919-5-7 2725 Riverside Mouth of Tahquitz Canyon. Comment
  RSA575883  Aristida purpurea var. parishii Steve Boyd 1981-3-13 s.n. Riverside Gavilan Hills regiion, upper western flank of Estelle Mountain. 671 Comment
  RSA650458  Artemisia californica C. J. Humphrey, Herbery Humphrey 1936-6-7 395 Riverside In foothills 18 miles East of Riverside. 548 Comment
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Dec 15 2011
  SD229065  Artemisia californica Dick Schwenkmeyer 2012-10-16 932 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 551 Comment
  UCR103738  Artemisia californica A. C. Sanders, T. Tennant, A. Montalvo & B. Wagner 1997-11-20 21617 Riverside Lake Skinner Reserve area, Crown Valley, east of Rawson Road 671 Comment
  CLARK-A1528-154  Artemisia douglasiana John C. Roos 1951-9-25 5281 Riverside Riverside 259 Comment
  UCR138554  Artemisia dracunculus Steve Boyd, D. E. Bramlet 1988-10-8 2880 Riverside San Jacinto Mtns. area, Cahuilla Mountain, SW of Anza at head of Bautista Canyon, along the crest of the mountain 1707 Comment
  SD229064  Artemisia ludoviciana subsp. incompta Dick Schwenkmeyer 2012-5-22 727 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  POM17577  Artemisia ludoviciana subsp. ludoviciana Dr H. Baer 1923-9-30 s.n. Riverside San Jacinto Valley. Comment
  CAS-BOT-BC93480  Artemisia tridentata subsp. tridentata Philip A. Munz 1946-10-19 11565 a Riverside Coahuila 1097 Comment
  RSA70039  Arthrocnemum subterminale F. W. Peirson 1922-5-19 3068 Riverside 2 miles southeast of Perris Comment
  SEINET10513656  Arundo donax David B. Dunn 1946-3-17 Dunn 2103 Riverside Collected at the lower end of the springs at pushawalla where the springs are Disappearing in the sand. Indio hills. Comment
  CSUSB90  Asclepias eriocarpa Morse 1974-7-15 S. N. Riverside San Jacinto Mountains 0.5 mile east of Garner Ranch Entrance on Highway 74 1371 Comment
  SBBG5703  Asclepias eriocarpa H. and M. Dearing 1940-6-9 4366 Riverside Palms to Pines Hwy, W of Ribbonwood Comment
  CLARK-A1528-125  Asclepias subulata Charlotte Stocks 1963-5-2 Riverside Comment
  RSA69917  Asclepias subulata F. W. Peirson 1924-12-30 5420 Riverside Near mouth of Thousand Palms Canyon, Coachella Valley 91 Comment
  RSA718290  Asclepias subulata Michael Honer, L. Hulse 2004-4-2 1871 Riverside Blind Canyon; appx. 1/2 mi. N of Desert Hot Springs 488 Comment
  SEINET10779850  Asclepias subulata F. A. Thackery 1928-5-10 Thackery 134 Riverside Rincon 314 Comment
  CAS-BOT-BC65784  Aspidotis californica F. M. Reed 1908-2-1 2236 Riverside Riverside Comment
  RSA535489  Aspidotis californica Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-2-2 6637 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Upper San Mateo Canyon between confluence of Tenaja Canyon and Los Alamos Canyon Comment
  CLARK-A1528-159  Aster hesperius John C. Roos 1951-9-25 5258 Riverside Riverside 259 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
  UC862496  Astragalus aridus I. W. Clokey, B. C. Templeton 1930-4-9 4710 Riverside n Palm Springs (Colorado Desert); , n of Palm Springs 170 Comment
  UCR35036  Astragalus coccineus L. B. Ziegler 1969-4-20 337 Riverside San Jacinto Mtns, Pinyon Flats. 1250 Comment
  UC217895  Astragalus crotalariae P. A. Munz, D. Keck 1922-4-8 4743 Riverside 1/2 mi e Indio (Colorado Desert); , e of Indio -15 Comment
  CLARK-A1045-79  Astragalus douglasii George K. Helmkamp 1977-4-30 Riverside San Jacinto Mountains Lake Fulmor 7.5'Q Comment
  UCR145190  Astragalus douglasii June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  RSA415492  Astragalus douglasii var. parishii Robert Kessler 1921-9-1 s.n Riverside Summit of Tahquitz. 2439 Comment
  RSA748521  Astragalus douglasii var. parishii Justin M. Wood, Brandy Wood 2009-6-13 888 Riverside Idyllwild County Park, Lilly Creek and adj slope to W of campground. 1585 Comment
  SD111601  Astragalus douglasii var. parishii Wayne P. Armstrong 1982-6-19 Riverside Idyllwild County Park 1675 Comment
  UC63673  Astragalus douglasii var. parishii H. M. Hall June 1901 2229 Riverside in the vicinity Strawberry Valley (San Jacinto Mountains); , vicin Strawberry Valley 1584 Comment
  UCR35360  Astragalus filipes L. B. Ziegler 1972-5-17 456 Riverside San Jacinto Mtns, Hemet (Garner) Valley. 1418 Comment
  RSA779776  Astragalus insularis var. harwoodii Duncan S. Bell 2010-4-2 685 Riverside Arica Mountains: western side of the mountain range in the Palen/McCoy Wilderness; about 2.5 air miles northwest of Priest Well; collecting along a sand wall/sand ramp above the main western drainage of the mountain range. 209 Comment
  SEINET7073296  Astragalus lentiginosus A. G. Vestal 1963-4-27 s.n. Riverside Cottonwood Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  LA204980  Astragalus lentiginosus var. coachellae Harlan Lewis; 1937-3-7 sn Riverside White Water 304 Comment
  LA204982  Astragalus lentiginosus var. coachellae Carl Epling; 1927-3-27 sn Riverside Thousand Palms Comment
  POM6621  Astragalus lentiginosus var. coachellae P. A. Munz 1919-3-25 2307 Riverside Sand dunes. Whitewater. 305 Comment
  UCR162810  Astragalus lentiginosus var. variabilis James C. Dice, Kim A. Nicol 1998-3-24 980324 -2 Riverside NW Colorado Desert, 5.1 miles (8.2 km) N of Desert Center, along State Hwy 177 168 Comment
  SEINET948513  Astragalus mohavensis Unknown 1920-1 165 Riverside Monsen Canyon, Eagle Mts. Comment
  SD146277  Astragalus nuttallianus B. Pitzer, Tracy Tennant 1998-2-21 3533 Riverside Hayfield Dry Lake, on the lakebed, 0.50 to 0.75 mile southeast of the pumping station. 395 Comment
  POM13586  Astragalus palmeri P. A. Munz 1922-4-13 4935 -a Riverside Eagle Mountains 274 Comment
  SEINET887640  Astragalus palmeri George Helmkamp, E. A. Helmkamp 1998-1 3379 Riverside Santa Rosa Mountains: Pinyon Pines along CA-74 between the San Jacinto and Santa Rosa Mountains. 1296 Comment
  POM2003  Astragalus pomonensis I. M. Johnston 1918-4-3 s.n Riverside Valle Vista above Hemet. 534 Comment
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Nov 20 2011
  RSA600820  Astragalus pomonensis L. Haines, L. Erickson 1937-4-9 s.n. Riverside 1 mile west of San Jacinto Comment
  RSA651408  Astragalus pomonensis Marion P. Harthill 1976-5-6 s.n. Riverside Rancho California. 609 Comment
  UC55779  Astragalus pomonensis H. M. Hall Apr., 1903 3815 Riverside vicinity Riverside; vicinity of Riverside 304 Comment
  SBBG3248  Astragalus sabulonum H. and M. Dearing 1938-3-5 1977 Riverside between Blythe and Desert Center Comment
  UC863053  Astragalus sabulonum Lewis S. Rose 1938-2-1 38011 Riverside 10 mi w Blythe (desert); w of Blythe 121 Comment
  RSA692515  Athyrium filix-femina subsp. cyclosorum H. de Forest 18339 Riverside Idyllwild. Comment
  SD81620  Athyrium filix-femina var. cyclosorum Louis C. Wheeler 1931-10-3 198 Riverside 1 mile northwest of Tahquitz Peak, San Jacinto Mountains 1860 Comment
  CAS-BOT-BC170586  Atriplex Mark A. Elvin 2005-5-24 4317 Riverside Perris, east of I-215, south of San Jacinto River, NW corner of junction of Ellis Ave. and first road east of I-215 - Perris Basin, Southern Coastal Slope 426 Comment
  POM263760  Atriplex canescens F. A. Barkley, Merton Reed 1939-5-20 4214 Riverside Roadside 4 miles E. of Blythe Comment
  SD40818  Atriplex canescens Carl B. Wolf 1932-10-13 4303 Riverside Eagle Mountains, Cottonwood Springs. 950 Comment
  UC850760  Atriplex canescens Carl B. Wolf 1932-10-13 4302 Riverside Cottonwood Springs Colorado Desert, , Cottonwood Springs (Eagle Mts.) 289 Comment
  UC850762  Atriplex canescens Carl B. Wolf 1932-10-13 4307 Riverside Cottonwood Springs Colorado Desert, , Cottonwood Springs (Eagle Mts.) 289 Comment
  CAS-BOT-BC168528  Atriplex confertifolia H. M. Hall 1901-6-1 2002 Riverside San Jacinto Lake Comment
  RSA520929  Atriplex coronata var. notatior D. E. Bramlet 1990-7-20 2054 Riverside California Dept. of Fish and Game, San Jacinto Wildlife Area. Populations are found just west of the old San Jacinto river channel and adjacent to the first waterfowl pond. 476 Comment
  RSA550482  Atriplex coronata var. notatior D. E. Bramlet 1992-5-6 2264 Riverside Northern duck club ponds to the east and south of the san Jacinto wildlife area (just south of S Contour Rd.) The site is some 122 m south of teh pond that is on the eastern boundry of the duck club area., This site is just above (west) of the Mystic La 436 Comment
  UCR70520  Atriplex coronata var. notatior D. E. Bramlet 1991-5-7 2117 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto Valley, 8.2 km SW of Hemet, just NE of jct. of California Ave. & Marvin Hull Road, c. 50-150 m north of the AT&SF railroad tracks & 300 m west of MWD canal 500 Comment
  UCR70522  Atriplex coronata var. notatior D. E. Bramlet 1991-5-8 2131 Riverside San Jacinto area, 5.8 km west of Hemet and c. 330 m SW of intersection of Warren Road and Florida Ave. Plants c. 8 m west of Warren Road, across from Auto Blvd. 500 Comment
  UCR70541  Atriplex davidsonii D. E. Bramlet 1991-6-20 2200 Riverside Perris-Aguanga Basin region, San Jacinto Valley, San Jacinto Wildlife Area: c. 8m east of Davis Rd & 150 m north of the San Jacinto River levee. Old river bed beside the channelized area of the river. 475 Comment
  UCR228161  Atriplex elegans var. fasciculata Dave Silverman 2010-3-24 7831 Riverside Sonoran (Colorado) Desert, South Palen Lake, Chuckwalla Valley, 4.3 km SE of Sidewinder Well, 2.0 km SW of Palen Dunes Dr., and 4.6 km N of Interstate 10 130 Comment
  HSC25954  Atriplex hymenelytra R. W. Spjut 1972-1-6 2110 Riverside Colorado Desert, 10 mi. N of Desert Center, at Jct. Hwy. 10 to 29 Palms Hwy. Comment
  UCR103315  Atriplex hymenelytra George K. Helmkamp, E. A. Helmkamp 1998-2-5 2658 Riverside Sonoran (Colorado) Desert, Indio Hills, 3 mi. east of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  UCR122573  Atriplex lentiformis George K. Helmkamp 2000-8-29 5983 Riverside Colorado Desert., South of Mecca, where Lincoln St. crosses the Whitewater River, about 0.5 mile from the Salton Sea -67 Comment
  SEINET4135315  Atriplex linearis Stewart C. Sanderson 1993-11-18 93 -040 Riverside Mile 6, CA 11, Salton Sea, beaches turnoff.; 0 Comment
  RSA737225  Atriplex prostrata Justin M. Wood 2008-9-22 145 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  SDSU13515  Atriplex semibaccata W. Miller with C. Mosse 1972-7-20 Riverside Under oak tree where north road comes into river bottom nor th of beaver dam. Comment
  UCR110379  Atriplex suberecta A. C. Sanders, Mitch Provance 1999-9-26 23115 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  UCR119421  Atriplex suberecta Mitch Provance 1998-6-20 709 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
  RSA716386  Avena barbata Scott D. White, Angelia Carey 2004-4-5 9994 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  RSA777347  Avena barbata Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4705 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65126 604 Comment
  UCR112959  Avena barbata B. G. Pitzer 1998-3-1 3544 Riverside Lakeview Mtns, Maze Stone county historical marker & picnic area, E side of mtns, on W side of Reinhardt Canyon 610 Comment
  IRVC1476  Avena fatua Don Pfirrmann 1965-4-24 HS 78 Riverside Highway 74; 1/4 mile SE of Sven Camp summit. Comment
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Mar 30 2014
  CAS-BOT-BC145737  Avena sativa V. W. Steinmann 1996-4-13 829 Riverside Just east of Route 15 along Temescal Canyon Road 1.3 km southeast of the junction with Indian Truck Trail. 350 Comment
  JOTR30142  Baccharis brachyphylla La Doux, Tasha 2008-2-4 1708 Riverside Joshua Tree National Park. Stop #1: Hexie Mtns./Porcupine Wash; open sandy wash near road heading to Cottonwood. 745 Comment
  RSA30289  Baccharis brachyphylla C. B. Wolf 1942-10-13 11437 Riverside Morongo Pass, 3/4 mile below San Bernardino County line 671 Comment
  SD255081  Baccharis brachyphylla Duncan S. Bell, Sarah DeGroot and Amy Rouillard 2015-10-19 8717 Riverside Transverse Ranges: San Bernardino Mountains region: Whitewater Canyon, along the Pacific Creset Trail, approximately 0.75 air mile northeast of Red Dome. 885 Comment
  POM320337  Baccharis emoryi Patricia Wilder 1971-11-11 5304 Riverside Along Santa Ana River, north of Jurupa Ave., opposite Sheppard Street at crossing of the Union Pacific Railroad. 229 Comment
  RSA350335  Baccharis emoryi L. C. Wheeler 1933-12-12 2316 Riverside Along irrigation ditch in semi shade US 99 2 miles NW Whitewater Station, Riverside 366 Comment
  CDA26800  Baccharis pilularis Mike Lahti 2008-10-21 PDR# 1509237 Riverside Temecula, 46062 Vista Del Mar at Los Gatos. 0 Comment
  JOTR29284  Baccharis salicifolia La Doux, Tasha 2003-9-4 1574 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam 1280 Comment
  UCR97505  Baccharis salicifolia A. C. Sanders, O. F. Clarke & H. Forster 1997-3-2 19759 Riverside Box Springs Mountains, E side of the range in Pigeon Pass area, above W end of Quail Call Drive, in canyon just west of section line. 610 Comment
  SDSU13529  Baccharis salicina W. Miller 1972-8-9 Riverside Just west of beaver dam and east of aqueduct. Comment
  RSA0031548  Baccharis sarothroides Duncan S. Bell 2013-1-30 4438 Riverside The Mecca Hills; in an unnamed canyon between Thermal Canyon and Painted Canyon, just to the west of Mecca Hills peak 1642. 138 Comment
  IRVC514  Baccharis sergiloides R. H. Whittaker, W. A. Niering 1963-5-31 SJ 100 Riverside Elks Rd., slope draw, open N, 30o, gneiss soil. Santa Rosa Mountains 1311 Comment
  RSA314397  Baccharis sergiloides R. F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55405 Riverside San Bernardino Mts.: Side canyon on W side of Whitewater Cyn, ca. 3.3 mi. N of Whitewater Post Office. 595 Comment
  RSA5414  Baccharis sergiloides C. B. Wolf 1932-10-11 4270 Riverside Morongo Wash, 3/10 mile below the San Bernardino County line. 671 Comment
  SD80133  Baccharis sergiloides Nancy Ryan Zabriskie, Walter Zabriskie 1971-4-6 360 Riverside Andreas Canyon, east slope San Jacinto Mountains 455 Comment
  UCR19179  Baccharis sergiloides John C. Roos 1948-9-14 3003 Riverside Santa Rosa Mtns, Dos Palmas Spring, east of Asbestos Mountain 1070 Comment
  UCR34875  Baccharis sergiloides L. B. Ziegler 1964-10-15 047 Riverside San Jacinto Mtns, Garner (Hemet) Valley from Kenworthy area 1387 Comment
  UCR37615  Baccharis sergiloides George K. Helmkamp 1984-5-2 D- 2 Riverside Little San Bernardino Mountains, Big Morongo Canyon, 3 - 3.5 miles below the caretaker's house at the Big Morongo Preserve 610 Comment
  JEPS81870  Bacopa monnieri Brad Ballen, J. L. Johnson, G. D. Barbe 1983-1-24 4035 Riverside NE of Rancho Mirage (Desert Island Country Club) Comment
  UC1929882  Bahiopsis laciniata Scott D. White, Michael Honer 2003-5-27 9419 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. Comment
  POM299271  Bahiopsis parishii A. M. Alexander, A. Kellogg 1941-5-18 2196 Riverside Eagle Mountains 1021 Comment
  UCSB38731  Bahiopsis parishii Cowan, Clark 1978-4-23 Riverside 12.1 mi. (19.2 km.) S on Hwy. 74 from jct. with Hwy. 11 at Indian Wells 950 Comment
  CAS-BOT-BC99953  Baileya pauciradiata Alice Eastwood 1913-4-30 3049 Riverside Palm Springs Comment
  RSA0030697  Baileya pauciradiata J. Andre 2013-3-27 24796 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). 242 Comment
  RSA21759  Baileya pauciradiata C. B. Wolf 1937-4-6 8431 Riverside Coachella Valley, 3 miles N of Indio. 0 Comment
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Sep 23 2011
  UCR45121  Bassia hyssopifolia L. F. LaPre 1986-9-25 s.n. Riverside Sonoran (Colorado) Desert, Cabazon Indian Reservation, adjacent to Southern Pacific R.R. tracks, c. 1 mi NW of Mecca, between Buchanan and Lincoln Sts., Coachella Valley 52 Comment
  RSA554026  Bebbia juncea A. C. Sanders, E. J. Lawlor 1992-4-4 12137 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  RSA597464  Bebbia juncea L. C. Wheeler 1959-12-27 7637 Riverside Chuckwalla Mountains. White Cloud Mine. Comment
  RSA6111  Bebbia juncea C. B. Wolf 1932-5-24 3651 Riverside 0.5 mile below the Fish Hatchery, Snow Creek, north base of San Jacinto Mountains 549 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
  CAS-BOT-BC100114  Bebbia juncea var. aspera H. M. H. 1901-5-17 1851 Riverside Palm [Canon] Canyon Comment
  UCD129535  Bebbia juncea var. aspera Geoffrey Levin 1975-4-5 468 Riverside 1 mile west of Berdoo Canyon Road on Dillon Road. Foothills of Little San Bernadino Mountains. Saltan Sink Drainage. 60 Comment
  CLARK-A1528-7860  Berberis dictyota John C. Roos 1940-2-17 890 Riverside Reche Canyon Comment
  RSA439857  Bergia texana S. B. Parish 1891-11-3 s.n. Riverside Elsinore Lake. Comment
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Aug 8 2010
  UCR266823  Bergia texana D. E. Bramlet 2005-7-13 3898 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, Mystic Lake, SW side near duck club, 200 ft. east of South Contour Rd., 4700 ft. north of San Jacinto River 434 Comment
  RSA701744  Bloomeria crocea Steve Boyd, Valerie Soza 2004-6-22 11541 Riverside Western flank of the range in Hall Canyon, at the south end of Lake Fulmor, just north of Hwy 243. 1646 Comment
  RSA482667  Boechera californica N. C. Cooper 1949-6-29 4336 Riverside Idlewild, San Jacinto Mountains. 1524 Comment
  JOTR30259  Boechera lincolnensis Leary, C. and Leary, Pat 1979-5-6 3026 Riverside Joshua Tree National Park. Just S.E. of Quail Mtn., Joshua Tree N.M., T2S R7E sec 14 1463 Comment
  SEINET3166373  Boechera xylopoda P. J. Alexander 2009-4-13 1006 -A, B, C Riverside San Jacinto Mountains, San Bernardino National Forest, along CA Hwy. 243 on the south side of the San Jacinto Penny Pines Plantation turnout, 2.1 miles WNW of the Stone Creek Campground, 0.3 miles SSE of Lake Fulmor. 1661 Comment
  RSA798842  Boerhavia coulteri Duncan S. Bell, Amanda Bell, Evan Bell 2012-10-7 4343 Riverside Arica Mountains: collecting in narrow canyon in center of range within the Palen/McCoy Wilderness, approximately 2.25 air miles west of Priests Well, or approximately 6.75 air miles southwest of the ghost town of Rice. 429 Comment
  CAS-BOT-BC434522  Boerhavia diffusa S. B. Parish; W. F. Parish 1881-7-1 590 Riverside Base of San Jacinto Mt. Comment
  RSA449950  Boerhavia triquetra J. C. Roos 1965-9-26 s.n. Riverside Santa Rosa Mtns, above Palm Desert. 701 Comment
  POM259506  Boerhavia wrightii E. C. Jaeger 1939-12-1 s.n. Riverside Orocopia Mountains 366 Comment
  RSA644207  Boerhavia wrightii V. W. Steinmann 1999-10-26 1418 Riverside foothills of the Chuckwalla Mountains, open desert ca. 2 km south of Desert Center. 325 Comment
  IRVC27684  Bothriochloa barbinodis A. C. Sanders, O. F. Clarke, P. J. MacKay, S. D. White, C. L. Sanders 1994-11-27 15871 Riverside Palm Canyon, from Hermit's Bench upstream to just beyond the confluence with East Fork. San Jacinto Mtns/Colorado Desert 256 Comment
  RSA589087  Bothriochloa barbinodis D. L. Banks, Steve Boyd 1995-10-17 798 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
  RSA718573  Bouteloua barbata Michael Honer, L. Hulse 2004-4-3 1892 Riverside Nameless canyon appx. 1 mi. W of Pushawalla Cyn., leading up to MWD aqueduct. 488 Comment
  RSA0120420  Bouteloua trifida Duncan S. Bell, LeRoy Gross 2016-5-18 9594 Riverside Santa Rosa Mountains; west side of Martinez Mountain; hills in the northern section of Little Pinyon Flat. 1316 Comment
  RSA180501  Bowlesia incana E. W. Lathrop 1965-4-18 5657 Riverside 10 miles west of Murrieta. Comment
  POM243645  Brandegea bigelovii E. C. Jaeger 1938-11-1 s.n. Riverside Dead Indian Creek near base of Palms to Pines Road. 137 Comment
  RSA0124121  Brandegea bigelovii Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8740 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
  RSA113921  Brandegea bigelovii P. C. Everett, E. K. Balls 1956-5-2 21553 Riverside 2 mi. N from turnoff Hwy 60/70 W of Desert Center, Rd to Eagle Mt. Pumping Station Comment
  SD247409  Brandegea bigelovii T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7311 Riverside Sonoran (Colorado) Desert: south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road, c. 1.4 km west of its juction with Augustine Pass Road (East of Aztec Mines 7.5'Q) 136 Comment
  SEINET3082942 Image available Brandegea bigelovii Barbara Gayle Pitzer 1998-1-24 3390 Riverside Sonoran (Colorado) Desert; N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  UC1022806  Brandegea bigelovii Philip A. Munz 1940-3-24 15695 Riverside 3 mi s of Cottonwood Springs (Eagle Mountains); Eagle Mountains 457 Comment
  UC1051637  Brandegea bigelovii Francia Chisaki, Peter Kamb 1952-4-6 2196 Riverside on road from Mecca to Blythe (Box Canyon); Box Canyon Comment
  UC495311  Brandegea bigelovii Philip A. Munz 1932-3-14 11981 Riverside Coachella Valley, Deep Canyon Deep Canyon; Coachella Valley, Deep Canyon 91 Comment
  UCR104898  Brassica nigra A. C. Sanders 1997-3-19 20027 Riverside Lake Skinner area, S foot of Bachelor Mtn., across the northern arm of the lake from the boat ramp 473 Comment
  UCR48375  Brassica nigra Steve Boyd 1986-5-7 1830 Riverside Peninsular Range, Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, south of Hwy I-15 366 Comment
  UCR85644  Brassica nigra A. C. Sanders 1993-4-5 13692 Riverside San Jacinto Valley, west edge of Hemet, along south side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and north of Florida Ave./ Hwy 74 460 Comment
  OBI78678  Brassica tournefortii Scott D. White 1995-3-30 2647 Riverside San Jacinto Valley: Moreno Valley, hille ca. 0.7 air mile directly S of 60 Fwy and west bend on Moreno Beach Dr. 579 Comment
  RSA776350  Brassica tournefortii Duncan S. Bell 2010-3-20 618 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  SEINET4326811 Image available Brassica tournefortii T. J. Glenn 1988-1-7 s.n. Riverside Palm Springs, Peninsular Ranges: San Jacinto Mountains region; off Snow Creek Road, Palm Springs. Comment
  UCR239806  Brassica tournefortii O. F. Clarke 2004-3-24 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River near the old Salt Lake Railroad bridge 215 Comment
  UCR89546  Brassica tournefortii George K. Helmkamp 1994-3-8 41 5 Riverside Western Colorado Desert, Indio Hills, junction of Palm Dr. & Varner Rd, below Edom Hill 200 Comment
  RSA93715  Brickellia arguta F. W. Peirson 1919-4-13 1214 Riverside Along the Tahquitz creek, East of Palm Springs, Riverside. Comment
  JOTR33129  Brickellia californica La Doux, Tasha, Mike Bell 2003-10-17 1123 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Wonderland of Rocks; Wonderland Wash, active wash corridor with sandy bottom, surrounded by granitic outcrops and pediments 1310 Comment
  RSA777276  Brickellia californica Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4749 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65122 604 Comment
  SDSU6407  Brickellia californica James C. Dice, J. DeWald 1987-10-5 732 Riverside South side of Temecula Gorge, near aqueduct crossing. T8S, R3W, southeast 1/4 of northeast1/4 of section 27. 259 Comment
  UCR92395  Brickellia californica F. M. Reed 1927-10-11 5497 Riverside South Coast; San Bernardino Valley, Riverside, foothills of Box Springs Mtns. 365 Comment
  OBI25754  Brickellia incana David J. Keil 1980-6-20 Riverside Box Canyon Rd exit from I-10. 488 Comment
  UCR19256  Brickellia incana John C. Roos 1947-11-1 3751 Riverside Sonoran (Colorado) Desert, Eagle Mountains, mouth of Lost Palms Canyon, & up the canyon some distance Comment
  RSA643100  Brickellia nevinii Orlando Mistretta 1992-8-31 s.n. Riverside Santa Ana Mountains; Sierra Peak; Cleveland National Forest. Astragalus brauntonii survey. 701 Comment
  UCR34874  Brickellia oblongifolia L. B. Ziegler 1967-6-8 153 Riverside San Jacinto Mtns., Pinyon Flats 1223 Comment
  UCD129645  Brickellia oblongifolia var. linifolia J. C. Roos 1946-8-27 2917 Riverside Santa Rosa Mountain. 1371 Comment
  CLARK-A1045-180  Brodiaea filifolia George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains vernal pool; Wildomar 7.5' Q Comment
  UCR191205  Brodiaea santarosae Tom Chester, W. P. Armstrong, Kay Madore 2006-6-15 929 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau Ecological Reserve: Clay Hill, 0.7 km south-southwest of the northernmost high point of the Mesa de Burro 573 Comment
  UCR191212  Brodiaea santarosae Tom Chester, W. P. Armstrong, Kay Madore 2006-6-1 910 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau Ecological Reserve; Clay Hill, 0.5 km south-southwest of the northernmost high point of the Mesa de Burro 576 Comment
  RSA561876  Bromus anomalus Steve Boyd, Timothy S. Ross 1992-6-10 7633 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about 'Potrero Escondido',, an isolated area of low relief topping the ridge system due west of the junction on Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek 671 Comment
  RSA559320  Bromus arenarius Steve Boyd, Timothy S. Ross, D. E. Bramlet 1993-5-13 7367 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Los Alamos Canyon at mouth of Wildhorse Canyon. 412 Comment
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Mar 24 2013
  RSA180433  Bromus arenarius E. W. Lathrop 1965-5-9 5742 Riverside 6 miles W of Murrieta. Comment
  CAS-BOT-BC149444  Bromus berteroanus P. A. Munz 1940-3-24 15706 Riverside 2 miles north of Cottonwood Springs, Eagle Mountains. 914 Comment
  SDSU13932  Bromus diandrus Michael G. Simpson, Adrienne Russell 2000-4-29 2072 Riverside Rocky ridge, ca. 100 feet SSW of Northside field station, Santa Margarita Ecological Reserve (SDSU). 366 Comment
  UCR108871  Bromus diandrus Heidi A. Haid 1968-1 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR137486  Bromus diandrus D. L. Banks 1997-3-29 1581 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Headwaters of Pala Creek at the S extremity of the Reservation, north of the Riverside/San Diego Co. line, west of the intersection of Magee Truck Trail and Moreno Rd including a large area of vernally wet grassland at the extreme SW corner of the Reservation 409 Comment
  RSA769822  Bromus grandis E. W. Lathrop 1973-6-28 7439 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  UC37692 Image available Bromus grandis H. M. Hall Jun 1901 2228 Riverside s side San Jacinto Mts. 1615 Comment
  CAS-BOT-BC155545  Bromus hallii H. M. Hall 1901-7-1 2538 Riverside San Jacinto Mountains. West Fork Snow Creek. 1524 Comment
  RSA752885  Bromus hallii Orlando Mistretta 2009-7-10 3992 Riverside Santa Ana River Canyon. Vicinity of Camp Round Meadow; 0.40 miles SE of junction of highway 38 and Jenks Lake Rd. 2027 Comment
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Jun 16 2018
  SEINET260204 Image available Bromus hallii M. Curto, L. Allen 1990-6-25 679 Riverside San Bernardino National Forest ; San Jacinto Mts ca 3km SE of Pine Cove on SBNF Rd 5S10 1830 Comment
  UCR20874  Bromus hallii A. C. Sanders 1978-7-3 875 Riverside San Jacinto Mountains, along old fire road between the James Reserve and the Black Mountain Road 1677 Comment
  UCR121333  Bromus hordeaceus A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 24986 Riverside The Badlands, marble outcrop on ridge about 1/2 mile east of Mt. Eden, above Laborde Canyon, SW of Beaumont 670 Comment
  UCR91374  Bromus hordeaceus Scott D. White 1995-4-5 2715 Riverside Moreno Valley, Base of slope in 'Badlands', off [Moreno-Redlands] Blvd 640 Comment
  SEINET6190251 Image available Bromus madritensis Orlando Mistretta, D. Bell, J. Beckman, J. England, K. Kane, J. Hall, C. McDonald, L. Reccia, L. Rodriguez, A. Sall, T. Tennant 2010-1 4420 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm) in the vicinity of Bonnie Bell 488 Comment
  JOTR37493  Bromus madritensis subsp. rubens Hodges, Stephen R. 2016-4-6 622 Riverside Joshua Tree National Park. Quail Mountain Complex, In winding wash ascending towards Quail Mountain and Minerva Hoyt peak from Johnny Lang Canyon Comment
  RSA583754  Bromus tectorum Steve Boyd 1995-4-24 8477 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on northern flank of Agua Tibia Mountain at the north base of Wildhorse Peak, along the Wildhorse Trail near its junction with the Dripping Springs Trail. 610 Comment
  NY664651  Bromus tectorum var. nudus F. M. Reed 1920-7-14 4443 Riverside Strawberry Valley, San Jacinto Mts. 1554.5 Comment
  UCR23968  Bromus trinii John C. Roos 1942-5-2 1120 Riverside Little San Bernardino Mountains, Live Oak Tank 1280 Comment
  JOTR31864  Caesalpinia virgata La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2119 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  UC1080448  Caesalpinia virgata P. C. Everett and E. K. Balls 1958-4-29 22958 Riverside Indio to Blythe (U.S. Hwy. 60/70, 5 mi. e. from junction with U.S. Hwy. 99) 121 Comment
  RSA466560  Calandrinia ciliata Ora M. Clark 1929-3-2 1610 Riverside Near Elsinore. Comment
  SD217351  Calandrinia ciliata Steve Boyd, Tim Ross, et al 1990-4-2 4042 Riverside Vail Lake area, lower slopes of Agua Tibia Mountain, along Highway 79, East of USFWS Dripping Springs Guard Station. 487 Comment
  UCR138909  Calandrinia ciliata Julie A. Greene 1993-4-17 1199 Riverside Perris Basin, San Jacinto Wildlife Area, west of Davis Rd 433 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
  UCR281531  Calandrinia ciliata Mitch Provance, Matt K. Beyers, John Hazlett 2017-3-30 317- 88 Riverside Temescal Valley, S of the 15 Fwy., 0.3 miles W of Hostettler Rd. 384 Comment
  CAS-BOT-BC167297  California macrophylla H. M. Hall 1897-5-4 s.n. Riverside Alice Mine Comment
  RSA234033  Callitriche marginata R. F. Thorne, E. W. Lathrop 1969-5-19 37957 Riverside Santa Rosa Plateau: margin of N end of large vernal marsh, Mesa de Colorado, Rancho California. 624 Comment
  CAS-BOT-BC85767  Calocedrus decurrens George B. Grant 1901-1-1 691 Riverside San Jacinto Mountains, S. Cal. 914 Comment
  CAS-BOT-BC85770  Calocedrus decurrens Winifern W. Swarth 1914-9-8 s.n. Riverside Strawberry Valley, San Jacinto Mts. 1828 Comment
  POM48361  Calocedrus decurrens Philip A. Munz, I. M. Johnston 1924-7-28 8799 Riverside Pine Flats 1738 Comment
  CLARK-A1528-3185  Calochortus albus John C. Roos 1960-5-30 Riverside Santa Ana Mountains Comment
  UCSB26905  Calochortus concolor Wilken, Dieter 1969-6-30 Riverside On road to Santa Rosa Mountain, 4.0 miles east of California State Highway 74, Santa Rosa Mtns Comment
  UCR130220  Calochortus palmeri var. palmeri George K. Helmkamp, E. A. Helmkamp 1998-6-27 4083 Riverside Santa Rosa Mountains., Santa Rosa Mountain Road, 3.3 mi south of Calif. Hwy 74 1601 Comment
  CAS-BOT-BC132463  Calochortus plummerae Carl B. Wolf 1932-5-25 3696 Riverside [Bad Lands] Badlands, SW. of Beaumont, 1 1/2 mi. SW. of summit of Moreno Grade 548 Comment
  RSA659415  Calochortus splendens Marcy Keys 1981-5-16 64 Riverside 2 miles southeast of Lake Elsinore where Arbalado Lane runs into foothills. 404 Comment
  SD140233  Calochortus splendens Scott White 1993-4-22 1221 Riverside North Averill Ranch, in hills north of Walker Canyon. 487 Comment
  UCR183010  Calochortus splendens Mitch Provance 2003-5-5 4427 B Riverside San Berardino Valley, Norco, SW slopes of the La Sierra Hills, +- 0.9 mi. WNW of Mt. Grape (peak 1064) 244 Comment
  RSA1315  Calochortus weedii J. T. Howell 1928-7-9 1079 Riverside Temecula Grade, 4 miles S of Temecula. 396 Comment
  UCR62662  Calochortus weedii var. intermedius Gary Bell 1990-6-27 s.n. Riverside hills c. 0.75 mi west of Crown Valley, NW of Rawson Canyon 762 Comment
  RSA791486  Calycoseris parryi J. Andre, Tasha La Doux, R. B. Kelley 2011-5-4 21075 Riverside Joshua Tree National Park; Long Canyon, up side canyon approx. 400 m. west of main canyon drainage. 1172 Comment
  UCR11336  Calycoseris parryi John M. Spencer 1971-4-17 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument [now J.T.N. Park], 1.5 mi. north of Cottonwood Spring campground 953 Comment
  CHSC99602  Calycoseris wrightii LeRoy Gross 2005-3-3 1582 Riverside Colorado Desert; Northeastern Colorado Desert region: Palen Mountains, south side. Near end of old prospect road. Near 33.71244N, 115.11171W to 33.72053N, 115.11051W. General collecting along ridge with patino and a rejuvenate steep sided rocky, sandy canyon just to the east. All on a sparse vegetative pebbly plain bajada. 225 Comment
  JEPS30622  Calycoseris wrightii Donald Kyhos 1958-2-15 58 -10 Riverside se of Desert Center (Corn Springs Wash); Chuckawalla Mts., Corn Springs Comment
  UCR74397  Calycoseris wrightii Theo Glenn 1991-5-1 91- 51 Riverside Sonoran (Colorado) Desert, McCoy Mts, NW of Blythe 240 Comment
  RSA518287  Calyptocarpus vialis A. C. Sanders 1989-5-31 9492 Riverside Uncommon annual weed in moist soil beside the door to the greenhouse, Botanic Gardens, U. C. R. campus. Comment
  SD124513  Calyptridium monandrum J. Sauer, Hart Walter 1980-5-17 6095 Riverside San Jacinto Mountains; near Lake Fulmor. Comment
  JEPS48624  Calyptridium parryi var. parryi W. L. Jepson 1935-4-17 19145 Riverside Elsinore, (1 1/2 mi n on burns) Elsinore 457 Comment
  UC465959  Calystegia macrostegia subsp. arida Mrs. Wilder 1903-5-30 38 Riverside Wilder's Comment
  UCR232020  Calystegia macrostegia subsp. arida John F. Green 2008-4-24 10- 03 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris along Hwy 74, vicinity of Eugene St. 506 Comment
  SJSU8754  Calystegia macrostegia subsp. tenuifolia T. G. Balgooyen 1966-4-5 Riverside roadside 10 mi W of Hemet Comment
  UCR273978  Calystegia sepium subsp. binghamiae Mitch Provance 2013-5-29 513- 12 Riverside Santa Ana River Valley, Riverside, Fairmount Park, W side of Lake Evans, W side of Dexter Drive, just SW of the American Legion. 241 Comment
  RSA682120  Camissonia Valerie L. Soza 2003-3-15 s.n. Riverside Orocopia Mountains. Comment
  UCR117648  Camissonia Scott D. White 1995-8-23 3586 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  HSC24633  Camissonia bistorta Frank W. Gould 1943-4-17 2130 Riverside 4 mi. E of Elsinore Comment
  RSA186658  Camissonia bistorta Peter H. Raven 1962-3-14 16907 Riverside East limits of Homeland. Comment
  RSA522751  Camissonia bistorta Steve Boyd, L. Arnseth, T. S. Ross 1990-3-29 3858 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
  RSA72279  Camissonia bistorta Robert L. Dressler 1949-7-3 902 Riverside 7 miles south of Lake Elsinore. Sandy field. 427 Comment
  UCR136270  Camissonia bistorta A. C. Sanders 2004-4-20 27546 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  UCR93824  Camissonia bistorta P. J. MacKay 1996-6-15 003 Riverside Reche Cyn., 2.5-3 mi. south of S. B. county line on Reche Cyn. Rd. 580 Comment
  CLARK-A1528-655  Camissonia boothii Charlotte Stocks 1964-4-20 Riverside Coachella Comment
  UCR233165A  Camissonia boothii subsp. condensata Jim Andre, Glenn L. Clifton 2011-2-22 17446 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  RSA617857  Camissonia brevipes Walter Wisura 1998-3-28 5114 Riverside 3.1 mi W of Corn Spring S of I-10. Comment
  POM13037  Camissonia brevipes subsp. brevipes P. A. Munz, D. D. Keck 1922-4-9 4894 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 427 Comment
  POM14267  Camissonia brevipes subsp. brevipes P. A. Munz, D. Keck 1922-4-9 4795 Riverside Palm Springs. 457 Comment
  POM98704  Camissonia brevipes subsp. brevipes P. A. Munz 1926-1-31 9950 Riverside Dos Palmos [Palmas] Spring. Comment
  RSA135156  Camissonia brevipes subsp. brevipes Peter H. Raven 1958-1-25 11486 Riverside Colorado Desert. A single plant in roadside fringe, Salt Creek wash, 2.6 miles N of Durmid, E side of Salton Sea. Comment
  RSA162841  Camissonia californica J. D. Olmsted 1958-6-15 189 Riverside San Jacinto Mountains. Intersection of Strawberry Creek with Idyllwild-Hemet road [Hwy 74] 8 miles below and West of Mt. Center. Along roadside. 915 Comment
  SEINET7072826  Camissonia californica A. G. Vestal 1963-5-19 s.n. Riverside About 1.5 miles northeast of Aguanga on Route 371 [the Cahiulla Road]. Coordinate datum: WGS84/NAD83. (33? deg. 27' 46" North Latitude, -116? deg. 51' 36" West Longitude, Coordinate datum: NAD27.). Comment
  UCR216360  Camissonia californica Mike Bell 2008-3-19 035 Riverside Sonoran (Colorado) Desert/San Bernardino Mtns., Bonnie Bell, along Whitewater River c. 2 miles north on Whitewater Canyon Rd. from I-10 freeway 537 Comment
  UCR37614  Camissonia californica George K. Helmkamp 1984-5-2 D- 3 Riverside Little San Bernardino Mountains, Big Morongo Canyon, 3 - 3.5 miles below the caretaker's house at the Big Morongo Preserve 610 Comment
  RSA454733  Camissonia cardiophylla Anstruther Davidson 1903-05 s.n. Riverside Martinez Canon, Thermal. Comment
  UCR104006  Camissonia cardiophylla subsp. cardiophylla George K. Helmkamp, E. A. Helmkamp 1998-2-5 2661 Riverside Sonoran (Colorado) Desert, Indio Hills, 3 mi. east of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  POM160073  Camissonia chamaenerioides E. C. Jaeger 1927-3-23 s.n. Riverside Travertine Point [Travertine Rock?], Colorado Desert. Comment
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Nov 24 2016
  UCR101587  Camissonia claviformis Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  SEINET10870498  Camissonia claviformis Noel H. Holmgren, Patricia K. Holmgren 1974-3-23 Holmgren 7472 Riverside Box canyon wash, 11.4 mi e-ne of mecca. T6s. R10e. Sec35. Locally common gravelly slope of wash bank. Petals bright yellow. 244 Comment
  UCR44447  Camissonia confusa A. C. Sanders, B. Pitzer 1986-4-30 6473 Riverside San Jacinto Valley, San Jacinto River Valley at the mouth of Bee Canyon. 610 Comment
  SEINET7042773  Camissonia graciliflora W. P. Vestal, A. G. Vestal 1955-3-25 s.n. Riverside Road shoulder on Long Valley Road north of Tecula. Ca. 0.1 mile east of U.S. 395 [=Interstate 15 & Route 79]. Comment
  RSA503  Camissonia hirtella J. T. Howell 1927-8-2 565 Riverside Near Strawberry Valley, Mt. San Jacinto. 1677 Comment
  RSA186737  Camissonia ignota Peter H. Raven 1962-3-14 16906 Riverside East limits of Homeland. Comment
  UCR258634  Camissonia intermedia T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7901 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon 555 Comment
  SEINET12189027  Camissonia pallida Unknown 1933-1 8047 Riverside Palm Springs Comment
  RSA614890  Camissonia pallida subsp. hallii George K. Helmkamp 1998-4-3 3077 Riverside Snow Creek area N of Mt. San Jacinto; at edge of stream S of Snow Creek Rd at a point 1.4 mi. S of CA Hwy 111. 396 Comment
  RSA314655  Camissonia pallida subsp. pallida Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55416 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  UCR282306  Camissonia pallida subsp. pallida Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-3-29 868 Riverside San Bernardino Mountains, Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 610 Comment
  RSA449046  Camissonia refracta E. C. Jaeger 1922-3-29 725 Riverside Box Canon, near Mecca, Colorado Desert 91 Comment
  RSA449056  Camissonia refracta M. B. Dunkle 1933-3-4 3044 Riverside Sandy wash, Painted Canyon, Colorado Desert. 30 Comment
  SEINET3225526 Image available Camissonia refracta A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37490 Riverside Sonoran (Colorado) Desert; SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak (McCoy Peak 7.5' Q) 204 Comment
  RSA454106  Camissonia strigulosa N. C. Cooper 1944-4-23 1102 Riverside Banning. 701 Comment
  SD133054  Camissoniopsis bistorta Scott White 1991-5-13 91 90 Riverside Highway 79, immediately west of U. S. Forest Service Campground at Dripping Springs. 548 Comment
  SD133055  Camissoniopsis hirtella Scott White 1991-5-13 91 93 Riverside Highway 79, immediately west of U. S. Forest Service Campground at Dripping Sprins. 548 Comment
  UCD103468  Camissoniopsis ignota Robert C. Bechtel 1952-3-28 28 Riverside Perris. 443 Comment
  GMDRC7788  Camissoniopsis pallida J. M. Andre 2015-3-6 33549 Riverside Coachella Valley: sandy flats along Snow Canyon Rd, just south of Hwy 111 362 Comment
  SBBG122709  Camissoniopsis pallida S. D. White 2005-3-29 10848 Riverside alluvial fan and benches W of San Gorgonio river and S of Interstate-10 Freeway, W of existing gravel quarry, Cabazon 585 Comment
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Mar 30 2014
  SD185273  Camissoniopsis pallida A. C. Sanders, K. C. Rose 1995-4-5 16368 Riverside San Bernardino Mountains/Sonoran (Colorado) Desert: Coachella Valley; south of Mission Creek and west of Hwy 62 (Desert Hot Springs 7.5'Q) 609 Comment
  CAS-BOT-BC18450  Carex abrupta H. E. Hasse 1903-6-23 s.n. Riverside San Jacinto Mountains. Round Valley. 2895 Comment
  UCR201506  Carex athrostachya Scott D. White, Justin M. Wood 2008-6-18 12222 Riverside San Jacinto Mountains, K Flat Meadow 1445 Comment
  RSA776704  Carex multicostata Steve Boyd, Gary D. Wallace 2005-7-30 11652 Riverside San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2659 Comment
  CAS-BOT-BC117447  Carex senta Frederick Morris Reed 1908-7-10 2558 Riverside Round Valley, San Jacinto Mt. 2743 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
  UC1552094  Castilleja applegatei subsp. martinii David Charlton 1988-5-21 1934 Riverside s of Lake Hemet (on Hwy 74, Thomas Mountain Rd, from n to s, w of Garner Valley) 1676 Comment
  RSA0010919  Castilleja densiflora subsp. gracilis B. Pitzer, E. Misqez 1988-2-28 622 Riverside 2 mi s of Rancho California Road (sw of Murrieta, Walker Basin, Avenida del Oro); Walker Basin, Avenida del Oro. Comment
  RSA0010921  Castilleja densiflora subsp. gracilis F. W. Peirson 1930-5-10 8776 Riverside Summit St John's Grade. 762 Comment
  SEINET7063463  Castilleja exserta A. G. Vestal 1947-3-31 s.n. Riverside About 2.3 miles north of Lake Elsinore off present I 15. UTM Zone 11, 467263mE, 3929340mN. (WGS84/NAD83). 396 Comment
  UCR102875  Castilleja exserta A. C. Sanders 1997-3-26 20134 Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  UCR15963  Castilleja exserta Leland E. Francois 1966-4-3 4366- 1 Riverside Peninsular Range, south of Sun City, 3.4 mi west of Hwy 395 on Newport Road 439 Comment
  CLARK-A1528-4176  Castilleja foliolosa E. W. Lathrop 1966-3-2 Riverside 853 Comment
  RSA234083  Castilleja foliolosa Robert F. Thorne, E. W. Lathrop 1969-6-6 39327 Riverside Santa Rosa Plateau: Rancho California. 610 Comment
  SEINET244844 Image available Castilleja foliolosa A. C. Sanders, Mark Elvin; Julie M. Vanderwier 2002-4-9 24934 Riverside The Badlands; Hills and canyons west of Laborde Canyon, 1 mi NE of Eden Hot Springs, SW of Beaumont 610 Comment
  UCR104890  Castilleja foliolosa A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20664 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
  UCR115997  Castilleja foliolosa A. C. Sanders, Pam MacKay, E. J. Lawlor, C. L. Sanders 2000-3-19 23318 Riverside Shipley-Skinner Reserve area, along old Rawson Rd. just north of Crown Valley, above Diamond Valley 579 Comment
  UCR133712  Castilleja martinii N. C. Cooper 1944-4-22 1131 Riverside San Gorgonio Pass, Banning 732 Comment
  JEPS3840  Castilleja miniata I. W. Clokey 1935-4-17 6865 Riverside Cottonwood Springs Comment
  LA209248  Castilleja miniata Elizabeth McClintock; 1939-9-1 sn Riverside San Jacinto Mountains, trail to Round Valley from Hidden Lake Comment
  RSA0103096  Castilleja minor subsp. spiralis Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8544 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  UC494745  Caulanthus cooperi C. L. Hitchcock 1932-4-9 12223 Riverside 10 mi se White Tank (eastern Riverside County); se of White Tank Comment
  UCR19451  Caulanthus cooperi Carl Epling, Harlan Lewis 1941-5-2 s.n. Riverside Sonoran (Colorado) Desert, 3 miles north of Cottonwood Spring 945 Comment
  CAS-BOT-BC41142  Caulanthus heterophyllus A. C. Sanders; G. Waines; B. Ehdaie; A. Aryavand 1997-3-12 19879 Riverside Lake Skinner area. Lower Rawsom Canyon, northeast of the lake and southwest of Black Mountain, along the road. 518 Comment
  SD262241  Caulanthus heterophyllus Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-13 417 61 Riverside Peninsular Ranges: Wildomar, Sedco Hills, along transmission road between Lost Rd. and Lake View Rd. 563 Comment
  UCR12555  Caulanthus heterophyllus Wayne Miller 1972-4-14 720414 5 Riverside Reche Canyon, 5 mi from BartonRd. turnoff on Reche Canyon Road. 610 Comment
  SEINET3507419 Image available Caulanthus simulans L. F. LaPre 1986-4-17 Riverside Bull Canyon, Gavilan Hills. Comment
  UC489223  Ceanothus cordulatus C. V. Meyer 1928-7-31 615 Riverside 7500 ft Tahquitz Peak; San Jacinto Mts. Comment
  CAS-BOT-BC48456  Ceanothus crassifolius P. C. Everett 1935-6-17 7151 Riverside Santa Ana Mts., Coldwater Can. trail to Santiago Pk., 2 mi. above Glen Ivy Resort Comment
  RSA606771  Ceanothus crassifolius Jon E. Keeley 1996-5-5 27350 Riverside Chaparral S of Hwy 79 on Woodchuck Rd., E of Temecula. 183 Comment
  RSA575059  Ceanothus cuneatus Steve Boyd 1981-3-4 810304 -C Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  UCR49763  Ceanothus cuneatus D. C. Hawks 1987-5-16 s.n. Riverside Terwilliger Valley, S of Anza, Terwilliger Road, 0.9 mi. south of intersection with Wellman Road 1189 Comment
  CHSC1505  Ceanothus greggii var. perplexans V. Holt 1942-3-29 Riverside Keen Camp, Santa Rosa Mountains. Comment
  UC18386  Ceanothus greggii var. perplexans H. M. Hall May 26-29 1899 Riverside from Kenworthy to Oak Grove; Smith Mountain and San Jacinto Mountains Comment
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Nov 13 2006
  JEPS42315  Ceanothus leucodermis W. L. Jepson 1901-5-19 1290 Riverside San Jacinto Canon Comment
  JEPS42322  Ceanothus leucodermis W. L. Jepson 1903-8-5 2263 Riverside Strawberry Valley San Jacinto Mt. 1676 Comment
  SD186314  Ceanothus leucodermis Andy C. Sanders, Mike Misenhelter 2005-3-23 29263 Riverside Santa Ana Mtns.: Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UC79962  Ceanothus leucodermis C. F. B. 1903-4-4 4144 Riverside Elsinore Comment
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Feb 2 2013
  SD186315  Ceanothus oliganthus var. sorediatus Andy C. Sanders, M. Misenhelter 2005-3-23 29265 Riverside Santa Ana Mtns.: Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR18917  Ceanothus papillosus subsp. roweanus John C. Roos 1960-5-30 s.n. Riverside Peninsular Range/Santa Ana Mtns., ridge east of Sugarloaf [=Pleasants Peak] 1067 Comment
  CAS-BOT-BC51923  Ceanothus perplexans S. B. Parish 1908-4-6 6895 Riverside Eden Hot Springs Comment
  SEINET3076064 Image available Ceanothus sorediatus Dave Hawks 1987-3-2 Riverside S of Hemet, intersection of Palm Ave and Saddle Ridge Trail. 472 Comment
  POM3384  Centaurium exaltatum Geo R. Hall 1905-9-3 s.n. Riverside Riverside Comment
  RSA588599  Centaurium venustum D. L. Banks, Steve D. Boyd 1995-10-17 810 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 broad alluvial benches N of where Arroyo Seco turns to the E. 524 Comment
  UCR21173  Centaurium venustum Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  UCR35003  Centaurium venustum L. B. Ziegler 1967-8-4 206 Riverside Peninsular Ranges, San Jacinto Mtns., Upper Herkey Creek area 1555 Comment
  RSA689428  Centromadia pungens subsp. laevis R. E. Riefner 2003-5-27 03 -242 Riverside Back basin of Lake Elsinore, Malaga Rd near Mission Trail Rd. Comment
  POM29669  Cercidium floridum Marcus E. Jones 1906-4-27 sn Riverside Indio. Comment
  RSA247378  Cercidium floridum Gary D. Wallace 1967-4-29 720 Riverside Northeast of Coxcomb Mts., 15 miles North of Desert Center along Parker Dam Hwy. Comment
  JEPS64760  Cercidium floridum subsp. floridum W. L. Jepson 1920-5-1 8917 Riverside Palm Sprs. of San Jacinto Colorado Desert 137 Comment
  CAS-BOT-BC147687  Cercocarpus betuloides var. betuloides James R. Shevock 1978-4-26 5904 Riverside On the NE side of Pleasants Peak. Along FS road 3S04, Santa Ana Mountains, Cleveland National Forest 1188 Comment
  UCR91601  Cercocarpus betuloides var. betuloides D. L. Banks, Steve Boyd 1995-3-16 0109 Riverside Cleveland National Forest; Agua Tibia Wilderness Area. east of the Dripping Springs Alcove, north of Wildhorse Peak, on the Wildhorse Trail 625 Comment
  RSA674958  Cercocarpus minutiflorus Scott D. White, Teresa Salvato 2001-6-8 8569 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  HSC86128  Cercocarpus montanus var. glaber P. Lamos 1972-4-16 416720601 Riverside 4.5 mi. W of jct. 243 and 74 1067 Comment
  CLARK-A1528-5000  Chaenactis artemisiifolia John C. Roos 1937-5-10 2070 Riverside Comment
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Jun 24 2014
  SBBG101702  Chaenactis artemisiifolia S. Boyd with T. Ross, M. Hammitt 1991-5-2 6101 Riverside Vail Lake region, Billy Goat Mtn, ca. 3 mi N of Hwy 79, ca. 1 mi W of Hwy 371, N of Aguanga; T8S, R1E, W1/2 S15 600 Comment
  UCR213461  Chaenactis artemisiifolia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38367 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
  UCR47218  Chaenactis artemisiifolia B. G. Pitzer, L. F. LaPre 1987-3-2 425 Riverside Peninsular Range, Bundy Canyon, c. 2 miles SE of Lake Elsinore, 0.5 mile north of Bundy Canyon Road off Raciti Rd. 703 Comment
  UCR90351  Chaenactis artemisiifolia Scott D. White 1995-6-30 3436 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  RSA0014597  Chaenactis carphoclinia Justin M. Wood 2010-4-30 1551 Riverside Coachella Valley: Thousand Palms, just E of intersection of Ramon Rd. and Vista de Oro, just NE of Edison substation. 61 Comment
  SBBG7866  Chaenactis carphoclinia C. H. Muller 1952-4-6 9506 Riverside ca. 1 mi N of S entrance to Joshua Tree Nat Monument Comment
  UCR139718  Chaenactis carphoclinia B. G. Pitzer 1989-4-16 1298 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, just outside impact area, 1 km south of Tabaseca Tank 700 Comment
  CDA7367  Chaenactis carphoclinia var. attenuata M. Weisbauer 1960-3-27 Riverside Shaver s Summit. 0 Comment
  JEPS30602  Chaenactis carphoclinia var. carphoclinia Donald M. Kyhos 1958-2-15 58 -13 Riverside Corn Springs Comment
  RSA4895  Chaenactis carphoclinia var. carphoclinia C. B. Wolf 1932-4-27 3011 Riverside Colorado Desert, 17 miles E of Mecca on the Blythe road. 152 Comment
  UCD81588  Chaenactis carphoclinia var. carphoclinia Chuck Hughes 2009-3-27 69 Riverside S of Hwy 62 near the abandoned Desert Center Airport. Near Rice, CA. 227 Comment
  CAS-BOT-BC276939  Chaenactis fremontii John Thomas Howell 1928-3-11 3446 Riverside Garnet Station, Coachella Valley, Colorado Desert 213 Comment
  CDA7370  Chaenactis fremontii T. C. Fuller 1962-4-3 7989 Riverside Highway 99 to Indio, 0.2 mile north of turn-off to Twenty Nine Palms. 0 Comment
  POM351700  Chaenactis fremontii Ora M. Clark 1929-2-22 1544 Riverside south Cabazon Comment
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Mar 13 2011
  RSA0106324  Chaenactis fremontii Lyman Benson 1946-4-15 12026 Riverside 2 miles east of Banning. 609 Comment
  SD140206  Chaenactis glabriuscula Scott White 1993-4-22 1248 Riverside North Alberhill Ranch, in hills north of Walker Canyon. 487 Comment
  SEINET7097943  Chaenactis glabriuscula A. G. Vestal 1937-3-21 s.n. Riverside Near Garnet. UTM Zone 11, 542095 mE, 3751177 mN. Lat. 33 54' 07ao N, Long. -116 32' 41ao NAD 27 (Converted to WGS84 decimal degrees) Comment
  SEINET7450233 Image available Chaenactis glabriuscula G. R. Hall 1905-1 8486 Riverside Riverside. Comment
  OBI23668  Chaenactis glabriuscula var. glabriuscula David J. Keil, Malcolm Mcleod 1977-3-26 12004 Riverside 0.2 mi NW of Prado Dam on Calif 71 183 Comment
  RSA770699  Chaenactis glabriuscula var. glabriuscula Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4801 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA771809  Chaenactis glabriuscula var. glabriuscula Steve Boyd 2010-5-26 12279 Riverside Elsinore Peak, southeast of peak, north of trail along ''old Main Divide Road'' east of road up to communications towers, near concrete wildlife drinker. 1040 Comment
  UC894473  Chaenactis glabriuscula var. glabriuscula C. L. Hitchcock 1940-4-12 6038 Riverside 8 mi nw of Elsinore 457 Comment
  POM6607  Chaenactis glabriuscula var. lanosa Philip A. Munz, L. T. Street, Williams 1919-3-28 2372 Riverside San Gorgonio Pass, near Banning 701 Comment
  RSA0013029  Chaenactis glabriuscula var. lanosa LeRoy Gross, Caitlin Elam 2013-5-14 6048 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-BC284343  Chaenactis stevioides Annie M. Alexander; Louise Kellogg 1941-5-11 2145 Riverside Cottonwood Spring, Eagle Mountains, Colorado Desert 883 Comment
  JEPS8846  Chaenactis stevioides W. L. Jepson 2260 Riverside Strawberry Valley, San Jacinto Mt., Strawberry Valley 1676 Comment
  UC195040  Chaenactis stevioides Joseph Grinnell 1910-5-17 Riverside Riverside Mt., Colorado River Comment
  UC90136  Chaenactis stevioides S. B. and W. F. Parish 1882-4-1 1213 Riverside Morongo Comment
  RSA339341  Chamaesyce R. F. Thorne, W. A. Tilforth 1980-5-28 54175 Riverside San Bernardino Mountains, dry, Colorado Desert slopes, S-facing and W-facing, N-S rocky ridge at E side of Whitewater River at mouth of canyon, ca. 1/4-1/2 miles E of Whitewater Post Office. Comment
  POM195931  Chamaesyce micromera Marcus E. Jones 1929-9-16 24879 Riverside East of Desert Center. Comment
  RSA763977  Chamaesyce micromera Justin M. Wood, Dustin M. Ray 2010-10-21 3006 Riverside Chuckwalla Valley NE of Victory Springs and 0.9 km E of Kaiser Road on unmarked 4WD road. 198 Comment
  JEPS19346  Chamaesyce polycarpa I. W. Clokey, B. C. Clokey, and C. B. Clokey 1930-4-15 4732 Riverside Perris-Gavilan Peak 600 Comment
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Jul 5 2010
  POM47126  Chamaesyce polycarpa Mary F. Spencer 1918-3-26 809 Riverside Palm Springs 137 Comment
  RSA779800  Chamaesyce polycarpa Duncan S. Bell 2009-3-8 98 Riverside Arica Mountains: center of mountain range in the vicinity of Priest Mine approximately 2 air miles west of Priest Well or approximately 7 air miles southwest of the ghost town of Rice. 467 Comment
  RSA0062771  Chamaesyce setiloba Duncan S. Bell, Evan Meyer 2014-10-21 7649 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
  RSA731017  Chamaesyce setiloba Michael Wall 2008-4-26 455 Riverside Chuckwalla Mountains; Corn Springs wash at Corn Springs Rd. crossing ca. 8.0 miles SW of Chuckwalla Rd. 435 Comment
  CAS-BOT-BC66313  Cheilanthes clevelandii A. C. Sanders; Mitch Provance; E. J. Lawlor 2000-1-23 23312 Riverside Lake Skinner area: summit Black Mtn. 914 Comment
  JOTR30213  Cheilanthes covillei Leary, C. and Leary, Pat 1979-2-24 2807 Riverside Joshua Tree National Park. On west facing slope in Lower Covington Flats, north of Smithwater Canyon, Joshua Tree National Monument. Comment
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Feb 25 2013
  UC667375  Cheilanthes covillei Annie M. Alexander and Louise Kellogg 1941-5-4 2119 Riverside Barker Dam; Joshua Tree Nat'l Monument 1322 Comment
  UC42540  Cheilanthes newberryi Mrs. Gregory 1891-1 Riverside San Jacinto Mts Comment
  CAS-BOT-BC70334  Cheilanthes parryi Ira L. Wiggins 1938-3-25 8924 Riverside Eagle Canyon, 3-5 miles south of Palm Springs Comment
  UC1511337  Cheilanthes parryi Robert F. Thorne, W. Wisura, A. Shmida, and R. Whittaker 1978-4-23 52022 Riverside Chino Canyon, Palms to Pines Highway Chino Canyon; San Jacinto Mts Comment
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Apr 24 2011
  UC424876  Cheilanthes parryi Milo S. Baker 1928-4-2 32926 Riverside Palm Canyon Comment
  UCR91550  Cheilanthes parryi A. C. Sanders, C. L. Sanders, L. Lubinsky, A. Knapp, P. J. MacKay 1995-2-12 15925 Riverside Sonoran (Colorado) Desert, Coachella Valley, mouth of East Double Canyon, Little San Bernardino Mtns, 1.4 mi above Aqueduct Rd. 581 Comment
  UCR91552  Cheilanthes viscida A. C. Sanders, G. K. Helmkamp, L. Lubinsky, C. L. Sanders 1995-1-29 15904 Riverside San Jacinto Mtns/Colorado Desert, Chino Canyon near Palm Springs, along the loop rd just below the lower tram station 793 Comment
  UC1394427  Chenopodium album H. A. Wahl 1966-9-17 21798 Riverside Idyllwild San Jacinto Mountains Comment
  UCR149980  Chenopodium album Scott D. White, Angelia Carey 2004-5-7 10328 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  UCR99875  Chenopodium album Scott D. White 1996-12-26 4642 Riverside Perris Basin, Perris area 442 Comment
  UCR97452  Chenopodium atrovirens A. C. Sanders, Pam MacKay, Tim Thomas, G. K. Helmkamp 1997-2-8 19684 Riverside Colorado Desert/San Jacinto Mtns:, Palm Springs area, Tahquitz Debris Basin at mouth of Tahquitz Canyon 183 Comment
  UCR101395  Chenopodium berlandieri A. C. Sanders, K. C. Rose 1998-9-29 22242 Riverside San Jacinto Valley, west edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills 459 Comment
  UCR154743  Chenopodium berlandieri T. B. Salvato, Kent Beaman 2005-5-16 778 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
  UCR167823  Chenopodium berlandieri T. B. Salvato, Melissa Clemons 2005-6-23 1308 Riverside Peninsular Range; Temescal Valley, Walker Canyon, 1.5 mi due east of Alberhill, N of Hwy I-15 412 Comment
  UC1287135  Chenopodium californicum C. L. Hitchcock 1966-3-16 24192 Riverside hills about 5 mi ne Aguanga Comment
  UC1929614  Chenopodium californicum Scott D. White 2003-3-21 8798 Riverside SANTA ANA MOUNTAIN FOOTHILLS: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. Comment
  UC1951128  Chenopodium californicum Scott D. White, Justin Wood 2009-5-22 12900 Riverside SAN JACINTO MOUNTAINS: Quinn Flat Meadow. USGS Idyllwild 7.5' Quad. Comment
  SEINET14416905  Chenopodium missouriense Mitch Provance 2012-1 61251 Riverside San Bernardino Valley: Box Springs Canyon, SW base of the Box Springs Mountains, E side of Interstate 215, .25 mi SE of the intersection of Gernert Rd. and Watkins Dr. 422 Comment
  RSA570752  Chenopodium murale Steve Boyd, Timothy S. Ross, J. T. Columbus 1993-10-23 8201 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, upper Morrell Canyon along Morgan Trail (5W02). 878 Comment
  RSA455310  Chilopsis linearis subsp. arcuata George R. Johnstone, G. R. Johnstone 1930-4-14 14659 Riverside Shavers Well Comment
  RSA6090  Chilopsis linearis subsp. arcuata C. B. Wolf 1932-5-25 3674 Riverside 1 mile below the Fish Hatchery, Snow Creek, north base of San Jacinto Mountains 396 Comment
  POM11892  Chimaphila umbellata subsp. occidentalis P. A. Munz 1922-7-7 6055 Riverside No fork of Tahquitz Creek. 2134 Comment
  CAS-BOT-BC474743  Chloris truncata R. E. Riefner, Jr. 2015-11-1 15 -429 Riverside City of Perris/Romoland area, Antelope Rd. at McLaughlin Rd. 452 Comment
  RSA0018891  Chloris virgata Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6027 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
  RSA779808  Chorizanthe brevicornu Duncan S. Bell 2009-3-9 107 Riverside Arica Mountains: southeast section of the mountain range approximately 1.2 air miles from Priest Well or approximately 6.5 air miles southwest of the ghost town of Rice. 307 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
  UCR123864  Chorizanthe brevicornu var. brevicornu Steven R. Hill 2001-5-3 33681 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
  UCD99663  Chorizanthe corrugata C. L. Hitchcock 1966-3-20 24304 Riverside 20 miles N of Ogilby, along road to Blythe. Comment
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Mar 2 2013
  UCR33682  Chorizanthe corrugata Faulkner 1978-3-30 409 Riverside Sonoran (Colorado) Desert, 1 mi north of Riverside Mtns., bench area, 4 mi south of Vidal 146 Comment
  RSA407718  Chorizanthe leptotheca Steve Boyd 1986-4-22 1758 Riverside Temescal Canyon: Stable alluvial benches of Indian wash just south of I-15. Comment
  SEINET4182893  Chorizanthe parryi K. Brandegee 1905-5-12 s.n. Riverside Near Riverside Comment
  RSA674608  Chorizanthe parryi var. parryi Scott D. White, Tasha La Doux 2000-6-16 8011 Riverside Perris/San Jacinto Basin: Winchester/Hemet area. Unnamed hills just S of Lakeview Mts. South of Hwy 74 and E of Hwy 79. 473 Comment
  SBBG122006  Chorizanthe parryi var. parryi A. Parikh, N. Gale 2004-6-7 763 Riverside W side of Smith Crk, 2.3 km NE of Highland Springs, 1.3 km W of Banning Bench/Bluff Street 1084 Comment
  UC449703  Chorizanthe parryi var. parryi Mrs. Lottie M. Wilder 1903-4-26 14 Riverside Wilders Canyon Wilders Canyon (west Riverside) Comment
  UCR217511  Chorizanthe polygonoides var. longispina Jeff B. Galvin 2008-5-9 045 Riverside Peninsular Ranges, Palomar Mountains, Agua Tibia. 1.71 km south of Hwy 79 and 0.29 km west of Dripping Springs Trail 634 Comment
  CAS-BOT-BC246331  Chorizanthe spinosa J. Von Loh 1978-7-11 60375 A Riverside Edward's Air Force Base 762 Comment
  RSA388504  Chorizanthe staticoides Steve Boyd 1986-5-1 1812 Riverside Bachelor Mtn.: Lower south slopes of Bachelor Mtn., east end of Lake Skinner. Comment
  RSA0096812  Chorizanthe xanti var. leucotheca Duncan S. Bell, Joy England 2015-4-14 8054 Riverside North side of the San Jacinto Mountains; at the mouth of Snow Canyon, approximately 0.5 air mile northeast of the community of Snow Creek. 361 Comment
  POM12872  Chrysolepis sempervirens P. A. Munz 1922-7-6 6018 Riverside Tahquitz Valley, San Jacinto Mts. 2226 Comment
  UCSB4394  Chylismia brevipes Long, Frances 1939-12-31 Riverside Salton Sea Comment
  UC1546706  Chylismia brevipes subsp. brevipes Barry A. Prigge 1988-2-21 7837 Riverside 2 mi w Clemens Well; Colorado Desert, Orocopia Mountains 228 Comment
  JOTR35077  Chylismia cardiophylla subsp. cardiophylla La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3528 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocks; narrow drainages surrounded by loose rocky slopes Comment
  CAS-BOT-BC162786  Chylismia claviformis subsp. claviformis A. C. Sanders; J. Dice; K. Rose; D. Woodard 1995-3-29 16272 Riverside San Jacinto Mtns./San Gorgonio Pass, alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village Comment
  RSA797396  Cirsium acaulescens Keith E. Hoffmaster 1937-6-6 s.n. Riverside San Jacinto Mountains. Comment
  SEINET3102065  Cirsium occidentale var. californicum Marc A. Baker, Michelle Cloud-Hughes 2011-6-10 17365 Riverside Along Morris Ranch Road, 400m north of Kenworthy Station, 4km west of Butterfly Peak, west base of San Jacinto Mountains, Garner Valley, just east of Thomas Mountain. 1420 Comment
  UCR49457  Cirsium occidentale var. californicum A. C. Sanders, B. Pitzer 1987-4-21 7048 Riverside Box Springs Mountains, near southernmost radio towers. 793 Comment
  UC489228  Cirsium scariosum var. congdonii C. V. Meyer 1928-7-1 617 Riverside Saunder's Meadow San Jacinto Mts., Saunder's Meadow 1676 Comment
  CLARK-A1528-641  Clarkia cylindrica I. Rauch 1968-5-14 Riverside Santa Ana River Comment
  UCR139193  Clarkia epilobioides Virginia Moran 2003-4-9 s.n. Riverside Peninsular Range, Warm Springs Preserve (managed by Center for Natural Lands Management), approximately 8 km north of Temecula and 3 km northeast of the [west?] end of Hunter Road 427 Comment
  UCR174325  Clarkia epilobioides A. C. Sanders, T. B. Salvato 2006-6-2 33088 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UCR57208  Clarkia epilobioides Jeri Hirshberg 1989-4-11 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., S of town of Murrieta, NE of Mesa del Burro. Rocky creek bed below Guava-DeLuz Road, c. 1.5 mi SW of intersection w/ Hayes Avenue Comment
  RSA500545  Clarkia purpurea subsp. quadrivulnera Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3618 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, S of Hwy 79. 488 Comment
  UCR35362  Clarkia similis L. B. Ziegler 1969-5-12 359 Riverside San Jacinto Mtns, Lower Bautista Canyon 610 Comment
  RSA440805  Cleome isomeris D. A. Young 1969-3-1 P- 307 Riverside 1/2 mile N of Hwy 111; 1.8 mi E of White Water. 343 Comment
  RSA440812  Cleome isomeris Robert L. Dressler 1949-3-19 432 Riverside Coxcomb Mountains, 23 miles NE of Desert Center Comment
  UCR193748  Cnicus benedictus A. C. Sanders, Mitch Provance 2008-7-11 35754 Riverside Peninsular Range; San Jacinto Mtns., 3/4 mi. NE of Mountain Center, c. 1/4 mile NE of Keenwild Fire Station, near road to helipad 1494 Comment
  RSA0117419  Collinsia concolor 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
  UCR193125  Collinsia concolor A. C. Sanders, Tim Thomas 2008-6-20 35534 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  RSA0117421  Collinsia concolor Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-4-1 3170 -D Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA674620  Collinsia heterophylla Scott D. White, Sandra Leatherman 2000-5-31 7976 Riverside Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. 640 Comment
  SBBG47466  Collinsia heterophylla N. C. Cooper 1944-6-17 1429 Riverside Pine Cove 1371 Comment
  RSA45543  Colubrina californica J. C. Roos 1949-4-10 4231 Riverside 3.5 mi. SE of Desert Center, Chuckwalla Mountains. 610 Comment
  UCR123601  Conyza canadensis D. E. Bramlet 2000-8-30 3072 Riverside Lake Skinner Regional Park. Tucalota Creek, just east of the equestrian bridge which crosses the creek. 1400-1500 ft north of the dirt service road (1487), and 2,600 - 2,700 ft. SE of the service road in Section 6 (1516) 470 Comment
  POM1812  Corallorhiza maculata I. M. Johnston 1916-8-1 s.n. Riverside Round Valley, San Jacinto Mountains. 2744 Comment
  UC455185  Corallorhiza maculata I. J. Condit 1910-6-23 Riverside Tahquitz Valley San Jacinto Mts. 2438 Comment
  RSA0011004  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Jeff Morawetz, Kathleen Ashbaker 2010-6-28 1428 Riverside San Bernardino National Forest: Garner Valley, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1440 Comment
  SDSU13522  Cordylanthus rigidus subsp. setiger W. Miller with C. Mosse 1972-7-20 Riverside Just past Eucalyptus trees at north boundary (west of trees.) Comment
  SBBG59853  Cornus sericea subsp. occidentalis R. Hoffmann 1929-9-7 Riverside San Jacinto Mtns 1524 Comment
  RSA737119  Cotula coronopifolia Justin M. Wood 2008-10-15 185 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  RSA757460  Cotula coronopifolia R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55201 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de Colorado 625 Comment
  RSA0125184  Crassula connata Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8755 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting on the Martinez Slide to the north of Toro Canyon, approximately 4.5 air miles east northeast of the summit of Martinez Mountain. 230 Comment
  RSA614538  Crassula connata A. C. Sanders 1997-3-1 19706 Riverside Box Springs Mtns: Coyote Hill (Bench Mark Versity, 1386ft) and ridge S and SE of the UCR Botanic Garden. 427 Comment
  SDSU13954  Crassula connata Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2136 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  UCR119813  Crassula tillaea A. C. Sanders, T. B. Salvato 2001-5-3 24102 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  JEPS8653  Cressa truxillensis Rimo Bacigalupi with G. T. Robbins 1954-5-16 4467 Riverside 1/2 mi. w. Lakeview (and just e. of Lakeview (formerly Ginsberg) Hot Springs); valley of San Jacinto R. 432 Comment
  UCR126988  Cressa truxillensis A. C. Sanders, Guy Bruyea 2003-6-12 26890 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
  CAS-BOT-BC175813  Crossosoma bigelovii Joseph Andorfer Ewan 1932-4-8 7046 Riverside Whitewater Canyon, about 3 miles above mouth Comment
  RSA596673  Croton californicus D. L. Banks, Lauren Raz 1996-11-5 1186 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, S of San Gabriel Church; Along a newly established firebreak along a NW-SE running ridgeline, near the water tank. 402 Comment
  SEINET7863222 Image available Croton californicus J. Andre, G. L. Clifton 2011-2-22 17471 Riverside Coachella Valley; just south of Hwy I-10 at Amtrak train station parking , just west of N. Indian Cyn Drive. 7.5' Quad: Desert Hot Springs. 186 Comment
  SEINET9255224 Image available Croton californicus J. C. Roos 1965-6-23 Riverside Palm Springs Comment
  SJSU1875  Croton californicus J. W. Tilden 1957-4-18 1092 Riverside near Whitewater, E of San Gorgonio Pass Comment
  UC1922002  Croton californicus Scott D. White, Angelia Carey 2004-5-7 10312 Riverside San Jacinto Mountain Foothills: Indian Creek and adjacent foothills. Comment
  UCR134614  Croton californicus Marisa Sripracha, Kyle Boyd 2004-2-14 005 Riverside Sonoran (Colorado) Desert, Snow Creek, 25 m from Snow Creek Road, 0.7 km south of Hwy 111 352 Comment
  UCR213541  Croton californicus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37826 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, under powerlines near tower, 1.23 mi. NNW (348 deg. ) of intersection of I-15 and Lake St. 537 Comment
  RSA480701  Croton californicus var. mohavensis M. B. Dunkle 1937-3-25 4911 Riverside East of Indio, Colorado Desert. Comment
  JOTR35173  Crypsis schoenoides Harding, Mitzi, T. Herskovits 2011-9-14 161 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam 1301 Comment
  UCR250128  Cryptantha A. C. Sanders 2014-4-8 40990 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 0.2 km SE of I-15 crossing, near mouth of Mayhew Canyon and just east of Mayhew Rd. 317 Comment
  POM13260  Cryptantha angustifolia E. C. Jaeger 1922-3-4 1110 Riverside Palm Springs. Comment
  POM3858  Cryptantha angustifolia H. M. Hall 1905-4-27 5922 Riverside Bottom land near Colorado river. 76 Comment
  RSA788739  Cryptantha angustifolia Aaron C. Sedgwick, David Fraker 2012-3-28 29 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  SD126017  Cryptantha angustifolia F. R. Fosberg 1932-3-13 10626 Riverside Thousand Palms Canyon Comment
  SD39167  Cryptantha angustifolia Edith A. Purer 1935-4-21 6465 Riverside Western edge of Colorado Desert near Palm Springs Comment
  UC1601978  Cryptantha angustifolia E. E. Schellenger 1905-3-12 Riverside Palo Verde Valley Colorado Desert Comment
  UCR138589  Cryptantha angustifolia Steve Boyd, T. S. Elias, Erika Winter 1986-2-18 1317 Riverside Western Colorado Desert, Mecca Hills: Painted Canyon north of Hwy 195 Comment
  UCR214166  Cryptantha angustifolia T. B. Salvato 2010-4-20 4066 Riverside Sonoran (Colorado) Desert, alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 189 Comment
  UCR52025  Cryptantha angustifolia Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2181 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 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
  UCR41595  Cryptantha barbigera A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6116 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UCR85255  Cryptantha barbigera A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16185 Riverside Western Colorado Desert, Coachella Valley, Willow Hole, 4 miles south of Desert Hot Springs. 213 Comment
  UCR89563  Cryptantha barbigera George K. Helmkamp 1994-3-10 42 15 Riverside Sonoran (Colorado) Desert, Indio Hills, canyon opening into Coachella Valley, 2 miles east of Thousand Palms on Ramon Road, and 1.3 miles north 122 Comment
  JOTR34275  Cryptantha barbigera var. barbigera La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3290 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Sandy, narrow canyon at base of Quail Mountain with bouldery/rocky slopes; North end of Juniper Flats (Stop 3) Comment
  UCR120565  Cryptantha barbigera var. fergusoniae Helen Kennedy, T. B. Salvato 2002-2-2 5447 Riverside Western Colorado Desert/ San Jacinto Mtns, Coachella Valley, Agua Caliente Indian Reservation, mouth of Andreas Canyon at Palm Canyon, S edge of Palm Springs between Andreas Cyn. Rd. and water tank on W edge of sec. 2 244 Comment
  UCR115343  Cryptantha corollata A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16268 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
  SEINET2042439 Image available Cryptantha decipiens A. C. Sanders, K. Rose, D. Woodard 1995-3-15 16139 Riverside Coachella Valley: mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and I-10. T3S R3E sec 11 (S/2) (sec14 and sec 14 N/2 and sec 24) 329 Comment
  CAS-BOT-BC218800  Cryptantha holoptera Marcus E. Jones 1906-4-25 s.n. Riverside West of Yuma Comment
  UC1601970  Cryptantha holoptera H. M. Hall Apr 1905 5786 Riverside 10 mi w Coachella; Colorado Desert, Marshall Canyon 30 Comment
  GMDRC5516  Cryptantha inaequata J. Andre 2012-3-19 21382 Riverside Palen Mountains: along Palen Pass Rd at Palen Pass 383 Comment
  UCR244861  Cryptantha inaequata Jim Andre 2012-3-19 21382 Riverside Sonoran (Colorado) Desert, Palen Mountains, along Palen Pass Rd at Palen Pass 383 Comment
  RSA523959  Cryptantha intermedia G. H. True 1935-2-20 3 Riverside Box Springs, Sycamore Canyon. 366 Comment
  RSA559328  Cryptantha intermedia Steve Boyd, Tim Ross 1992-5-15 7414 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 670 Comment
  SBBG101725  Cryptantha intermedia S. Boyd, T. Ross, M. Hammitt 1991-5-2 60072 Riverside SW and W flanks of Billy Goat Mtn, 3 mi N of Hwy 79, 1 mi W of Hwy 371, N of Aguanga 600 Comment
  SBBG87945  Cryptantha intermedia A. C. Sanders 1986-6-1 6538 Riverside trail toward Spitler Pk from the Turkey Crk camp to Bonita Vista rd 1706 Comment
  UC662478  Cryptantha intermedia Philip A. Munz 1937-5-30 15091 Riverside n of Vandeventer Flat; Santa Rosa Mts. 1524 Comment
  UCR116897  Cryptantha intermedia A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24193 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  UCR132664  Cryptantha intermedia 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
  UCR4734  Cryptantha intermedia Frank C. Vasek 1960-3-17 600317- 06 Riverside Sonoran (Colorado) Desert, Morongo Canyon, E side of the road on hill at mouth of canyon, 4.5 mi NW of Desert Hot Springs 579 Comment
  UCR91869  Cryptantha intermedia A. C. Sanders, J. Goetzen 1996-5-1 18136 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  OBI35028  Cryptantha maritima Sears 1978-3-18 926 Riverside 3 mi E of Corn Spring, 9 mi SE of Desert Center, T6S, R16E, sec 23 366 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
  UCR216088  Cryptantha maritima Jim Andre, T. La Doux 2009-2-25 10809 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains; c. 0.5 mi. south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  SDSU21879  Cryptantha maritima var. maritima Kristen Hasenstab, M. G. Simpson 2008-4-1 47 Riverside In Fan Canyon, just inside the boundary for Joshua Tree National Park. Located in a wide desert wash. 640 Comment
  NY1154442  Cryptantha micrantha N. H. Holmgren 1973-3-22 6462 Riverside Rice Valley, 7 miles south-southwest of Rice 274 Comment
  RSA659687  Cryptantha micrantha var. lepida J. C. Roos 1947-5-24 6194 Riverside San Jacinto Mtns., at the junction of Dark Canyon Camp Road with Idyllwild to Banning Road. Comment
  SD233775  Cryptantha micromeres A. C. Sanders, Steven R. Hill 2001-5-4 24129 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 Crk. Dr.), E side of Rancho C. Rd. (Temecula 7.5' Q). Burned W-facing slope. 487 Comment
  UC1595612  Cryptantha microstachys Steve Boyd and Orlando Mistretta 1991-5-22 6282 Riverside e of Dorland Mtn. (w of Kolb Creek); Vail Lake Area, Agua Tibia Mtn. 548 Comment
  UCR127354  Cryptantha microstachys A. C. Sanders, D. Malueg 2003-5-8 26572 Riverside Perris-Aguanga Basin region, Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek 396 Comment
  UC1595605  Cryptantha muricata Steve Boyd and Orlando Mistretta 1991-5-22 6295 Riverside e of Dorland Mtn. (w of Kolb Creek, base of Agua Tibia Mtn., Vail Lake area); Vail Lake Area, Agua Tibia Mtn. 548 Comment
  UCR19808  Cryptantha muricata W. W. Mayhew 1977-6-12 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  RSA0079063  Cryptantha muricata var. jonesii Scott D. White, Justin M. Wood 2008-6-16 12127 Riverside San Jacinto Mountains: Fobes Canyon, +/- 1 mile up Fobes Ranch Road from Fobes Spring. 1540 Comment
  RSA0079417  Cryptantha muricata var. jonesii R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38079 B Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  UC24726  Cryptantha pterocarya W. G. Wright 1889-1 1770 Riverside Colorado Desert Comment
  GMDRC5808  Cryptantha pterocarya var. stenoloba J. M. Andre, Glenn Clifton, Ron Kelley 2013-3-21 24395 Riverside West Riverside Mountains;: at base of NW corner of range where sand ramps run up against granitic bouldery slopes, about 10 mi. SW of Vidal Jct, 3 mi. south of 'Grommet' RR xing at Hwy 62 363 Comment
  POM254739  Cryptantha racemosa P. A. Munz 1940-3-24 15693 Riverside 3 miles south of Cottonwood Springs, Eagle Mts 457 Comment
  UC280507  Cryptantha simulans C. M. Wilder 1909-7-14 962 Riverside Strawberry Valley and trail above Strawberry Valley Comment
  SEINET10456002  Cryptantha utahensis David B. Dunn 1946-2-23 Dunn 1984 Riverside Collected in a sandy wash bed beside a boulder in Grotto Canyon. Comment
  UCR114541  Cucurbita foetidissima A. C. Sanders, K. C. Rose 1999-6-18 22809 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave. near Rawson Rd. 451 Comment
  JEPS46524  Cucurbita palmata W. L. Jepson 1912-10-28 5234 Riverside near Riverside Mts. (Colorado River); Colorado River 91 Comment
  UCR182447  Cuscuta Scott D. White, J. Wood 2005-9-27 11232 Riverside San Gorgonio Pass, Cabazon: Alluvial benches and braided dry channels south of Interstate 10 and west of the San Gorgonio River 610 Comment
  RSA525320  Cuscuta californica Steve Boyd, D. E. Bramlet 1990-4-29 4474 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  UC1292594  Cuscuta californica C. L. Hitchcock and C. V. Muhlick 1964-3-17 23076 Riverside 8 mi se Corona (along road to Elsinore) Comment
  UCR174305  Cuscuta californica A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32646 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  JEPS47116  Cuscuta salina W. L. Jepson 1901-5-31 1570 Riverside near Elsinore; Temescal Wash 335 Comment
  UCR8436  Cuscuta salina O. F. Clarke 1969-8-6 s.n. Riverside vernal pool 3 mi. NE of Elsinore [Nichols Rd.?] Comment
  UCR261156  Cycloloma atriplicifolium A. C. Sanders, Katie Young, John Hale 2015-4-22 41592 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 1.6 km south of I-10, 1.2 km NW (319 deg. ) of One Horse Spring 458 Comment
  UCR266411  Cycloloma atriplicifolium D. E. Bramlet, Fred M. Roberts 2005-6-6 3872 Riverside San Jacinto Valley, San Jacinto River at Sanderson Ave., north of Ramona Expressway 447 Comment
  UC172818  Cylindropuntia bigelovii S. R. Vasey Feb. 1881 Riverside White Water Comment
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Nov 29 2010
  SEINET4391054 Image available Cylindropuntia echinocarpa Marc A. Baker 2013-3-10 17669 .2 Riverside 900m north of Chiriaco Summit, 48 km east of Indio; Hay?eld 7.5' USGS topographic quadrangle 545 Comment
  RSA289852  Cynodon dactylon B. A. Prigge 1980-9-16 4050 Riverside Indio. Coachella Valley Stormwater Channel., Near 33 deg 44'N, 116 deg 14'W. 0 Comment
  UCR104908  Cynodon dactylon A. C. Sanders 1997-3-19 20039 Riverside Lake Skinner area, Lake Skinner, NW shore near inlet, SW foot of Bachelor Mtn 445 Comment
  RSA653218  Cyperus involucratus John Wallace 1991-5-18 31 Riverside Colorado River. Sec. 16, T2S, R24E. Approximately two miles south of Lost Lake Resort. Comment
  CHSC97910  Cyperus rotundus K. E. Hoffmaster 1958-7-1 Riverside Indio Comment
  UC811748  Cystopteris fragilis P. A. Munz 1922-7-6 6041 Riverside San Jacinto Peak at summit San Jacinto Peak 3285 Comment
  UCR252700  Dalea A. C. Sanders, Kai T. Palenscar 2010-7-22 38532 Riverside Peninsular Range/San Bernardino Valley, Riverside, bank of Gage Canal where it crosses Agricultural Operations area of UCR campus, S of Martin L. King Blvd., adjacent to equip. storage area, 0.35 km SE of intersection of M.L.K. & Iowa Av. 310 Comment
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Apr 7 2015
  RSA134873  Dalea mollissima L. S. Rose 1959-1-10 s.n Riverside La Quinta 15 Comment
  RSA799253  Dalea mollissima Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 751 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
  SEINET2061477 Image available Dalea mollissima George Helmkamp 1995-3-16 Riverside Colorado Desert, Coxcomb Mtns., W of Rice Road, 10.3 miles NE of Desert Center. 198 Comment
  UCR244311  Dalea mollissima Jim Andre 2012-4-15 20849 Riverside Sonoran (Colorado) Desert, west end of Hayfield Dry Lake, 0.3 mi. N. of I-10, 0.4 mi. NE of Jct Hayfield Rd and I-10 395 Comment
  POM13632  Dasyochloa pulchella E. C. Jaeger 1921-3-28 1042 Riverside Redrock Canyon, 15 miles east of Mecca Comment
  RSA592686  Dasyochloa pulchella Scott D. White, Duayne Haselfeld 1996-7-2 4270 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
  RSA782036  Dasyochloa pulchella Duncan S. Bell 2011-10-22 2979 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  OBI43206  Datisca glomerata Hal Royaltey 1970-5-15 Riverside 9 mi from De Luz on Murrieta-Fallbrook rd Comment
  RSA0108944  Datura discolor Duncan S. Bell, Amanda Bell 2012-1-28 3066 Riverside East side of the Arica Mountains; collecting in Rice Valley, approximately 6 air miles southeast of the ghost town of Rice. 202 Comment
  SBBG103861  Daucus pusillus M. A. Patten 1992-5-7 92 -30 Riverside Santa Rosa Plateau, along Via Vaquero at Via Oesta, ca. 5 km W of Temecula Comment
  CAS-BOT-BC293824  Deinandra fasciculata R. F. Hoover 1968-6-6 11151 Riverside 1 mile east of Perris Comment
  UC1608036  Deinandra kelloggii G. R. Ballmer 1992-6-23 92 -8 Riverside 0.8 mi e of junction with Redlands Blvd (San Timoteo Canyon Road) Comment
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Jul 14 2012
  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
  SD236199  Deinandra mohavensis Marsia Narog, Mark Parlow 2008-8-13 Riverside Peninsular Range; San Jacinto Mtns.: Poppet Flats, NW of Poppet Flats Road, west intersection of Ellis Dr. and Fox Dr. 1086 Comment
  SD146017  Deinandra paniculata A. C. Sanders, T. B. Salvato 2000-5-25 23423 Riverside Menifee Valley; south of Newport Road, north of Holland Road and east of Bradley Road, 2.0 miles due east of Railroad Canyon Lake. 438 Comment
  POM10163  Delphinium parishii C. F. Baker 1921-4-30 4504 Riverside Pinyon Wells 1220 Comment
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Jun 24 2012
  SEINET238578  Delphinium parishii George K. Helmkamp 1998-6-27 4116 Riverside Santa Rosa Mtns.: 5.8 mi SE of Hwy 74 along Santa Rosa Mtn Rd. below Mountain Home Spring. 1799 Comment
  UCR110998  Delphinium parishii subsp. parishii George K. Helmkamp 1998-6-27 4116 Riverside Santa Rosa Mtns., 5.8 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), below Mountain Home Spring 1799 Comment
  SEINET7048163  Delphinium parishii subsp. parishii Steven R. Hill 2001-5-3 33665 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  RSA618173  Delphinium parryi D. L. Banks 1997-5-5 2013 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek., East of where the road crosses to the southern bank of the south fork of Pechanga Creek. 427 Comment
  UC1126030  Delphinium parryi J. B. Spring 1931-4-21 36 Riverside Branch of Mockingbird Canyon Elsinore Quadrangle Comment
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Apr 2 2011
  RSA0020474  Delphinium parryi subsp. parryi Scott D. White, Justin M. Wood 2009-5-21 12846 Riverside San Jacinto Mountains: McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  RSA519205  Dendromecon rigida subsp. rigida M. Lee Overholtzer 1962-7-4 291 Riverside n end of Cleveland National Forest; roadside on Skyline Drive between Voits cabin and tv-radio station. 1311 Comment
  SD232141  Deschampsia danthonioides Scott D. White, Justin M. Wood 2008-6-19 12267 Riverside San Jacinto Mountains, Meadows at Baldy Mountain. Comment
  CLARK-A1528-4580  Deschampsia danthonioides var. gracilis John C. Roos 1952-4-16 5543 Riverside Edgemont 487 Comment
  POM178372  Deschampsia danthonioides var. gracilis P. A. Munz 1941-5-18 16645 Riverside About 15 miles northeast of Temecula. Comment
  POM49465  Deschampsia elongata P. A. Munz, I. M. Johnston 1924-7-28 8802 Riverside Pine Flats, San Jacinto Mountains. 1707 Comment
  RSA754134  Deschampsia elongata W. Schlegel, Andrew Troutte 2008-8-8 10 Riverside Idyllwild: Dry creek bed. Comment
  UCR2316  Deschampsia elongata F. M. Reed 1928-7-15 6071 Riverside San Jacinto Mtns., Camp Emerson, Idyllwild 1524 Comment
  RSA11552  Descurainia pinnata subsp. glabra N. Dunn, A. M. Martin 1932-3-26 s.n. Riverside Cottonwood Springs Comment
  SD212681  Dicentra chrysantha A. C. Sanders, T. B. Salvato 2006-6-2 33084 Riverside Hills between Murrieta and Menifee Valley, west of I-215, South of Bundy Canyon/Scott Road and North of Clinton Keith Road. 548 Comment
  UC708739  Dichelostemma capitatum H. K. Wagnon 1944-3-19 375 Riverside s side Tahquitz Creek (in Tahquitz Canyon); Palm Springs, Tahquitz Canyon Comment
  POM301822  Dichelostemma capitatum subsp. pauciflorum James E. Cole 1942-5-10 954 Riverside Joshua Tree National Monument. 1341 Comment
  SEINET6879161  Dichelostemma congestum Wanda P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Cajalco district, ca. 5 miles southeast of Lake Mathews, and 2.5 miles west of U.S. 395. Comment
  SEINET156510  Dichelostemma pulchellum Norman C. Cooper 1944-4-8 1093 Riverside Andreas Canyon. 457 Comment
  RSA696748  Dicoria canescens J. Russell Bruff 1927-11-24 3 Riverside Whitewater. Comment
  SBBG34737  Dicoria canescens T. L. Secrest 1950-3-12 Riverside near Indio Comment
  UC1080458  Dicoria canescens P. C. Everett and E. K. Balls 1958-4-29 23024 Riverside 5.3 mi ne Desert Center (along road to Rice and Vidal Junction) 243 Comment
  UCD131187  Dicoria canescens L. S. Rose Date unknown s.n. Riverside Palm Springs, Colorado Desert. 138 Comment
  UCD18387  Dicoria canescens Neil McRae, FA 1976-10-15 s.n. Riverside city of Indio. Comment
  UC1787306  Dieteria asteroides var. asteroides A. C. Sanders, S. White, C. L. Sanders 1994-12-18 15897 Riverside San Jacinto River Valley: eastern edge of San Jacinto, Mountain Ave. at Esplanade Ave., 2.4 mi. NW of Hwy 74 on Mountain Ave. 495 Comment
  UC1929321  Dieteria asteroides var. asteroides Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10668 Riverside San Jacinto Mountain foothills; Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. Comment
  CLARK-A1528-4588  Digitaria sanguinalis John C. Roos 1937-8-17 2547 Riverside San Jacinto Comment
  RSA736172  Dimorphotheca sinuata Scott D. White, Justin M. Wood 2008-3-25 11776 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  CAS-BOT-BC152264  Diplacus clevelandii Steve Boyd 1986-4-22 1757 Riverside Temescal Canyon, just south of Interstate 15 Comment
  SBBG541  Distichlis spicata H. and M. Dearing 1936-12-25 Riverside near Thousand Palms Comment
  UCR2336  Distichlis spicata H. S. Fawcett 1913-12-11 1084 Riverside Riverside, north of [Mt.] Rubidoux, flat in sand [along Santa Ana River] 244 Comment
  POM8133  Ditaxis lanceolata Mary F. Spencer 1920-3-19 895 Riverside In rocks near Palm Spings 152 Comment
  RSA668431  Ditaxis lanceolata S. Granger 1979-4-12 s.n. Riverside Chuckawalla Mountains. 610 Comment
  UCD142303  Ditaxis lanceolata Geoffrey Levin 1976-3-27 700 Riverside San Jacinto Mts.; south side of Chino Canyon; west of Palm Springs. 457 Comment
  UCSB3580  Ditaxis lanceolata Haller, John 1960-4-2 Riverside North base of Orocopia Mtns., 1.3 miles south of the junction of U.S. 60-70 and the south entrance road to Joshua Tree National Monument 487 Comment
  UCR198166  Ditaxis neomexicana Michael Honer, L. Hulse 2004-4-2 1885 Riverside Colorado(Sonora) Desert, Little San Bernardino Mountains, east Wide Canyon, near MWD aqueduct, c. 2 mi north of Dillon Road 488 Comment
  HSC101274  Dithyrea californica Jim Andre 2012-3-19 21349 Riverside Chuckwalla Valley; along Hwy 177, 8.6 mi. NE of Jct with I-10. 152 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
  RSA698511  Dodecatheon alpinum J. R. Bruff 1934-7-5 s.n. Riverside wet ground 2896 Comment
  UC22391  Dodecatheon redolens H. M. Hall July, 1901 2335 Riverside vicinity Deer Springs (San Jacinto Mountains); , vicinity Deer Springs 2743 Comment
  CAS-BOT-BC41636  Draba corrugata var. saxosa A. Davidson 1896-7-1 s.n. Riverside Summit of San Jacinto Mountain. Comment
  UC219103  Draba corrugata var. saxosa P. A. Munz 1922-7-7 6043 Riverside summit San Jacinto Peak San Jacinto Mts., summit San Jacinto Peak 3285 Comment
  POM12937  Draba saxosa P. A. Munz 1922-6-28 5870 Riverside Toro Peak, Santa Rosa Mountains 2529 Comment
  RSA650388  Drymocallis glandulosa Marion P. Harthill 1976-5-6 s.n. Riverside Rancho California. 610 Comment
  HSC35460  Dryopteris arguta J. D. Ackerman, A. M. Montalvo 1975-6-26 526 Riverside Hwy. 74 between San Juan Capistrano and Lake Elsinor, near Upper San Juan Campground, Cleveland Nat'l Forest 610 Comment
  POM17941  Dryopteris arguta P. A. Munz 1923-6-14 7112 Riverside Glen Ivy Trail to Santiago Peak 1066 Comment
  UCR12626  Dryopteris arguta I. G. Rauch 1968-2-15 s.n. Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon 488 Comment
  UCR213857  Dryopteris arguta Scott D. White, Justin M. Wood 2009-5-22 12926 Riverside San Jacinto Mountains, Halfway Spring, accessed via Old Control Road 1159 Comment
  SEINET3089228  Dudleya saxosa Bruce A. Beebe 1970-1 Riverside Comment
  POM6694  Dudleya saxosa subsp. aloides G. McKenna 2796 Riverside San Gorgonio Pass. Comment
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Nov 29 2011
  RSA26376  Dudleya saxosa subsp. aloides Reid V. Moran 1941-5-3 4834 Riverside Whitewater, near Banning, Calif 300 Comment
  UC2059983  Dudleya saxosa subsp. aloides K. Nakai 1980-12-25 682 Riverside San Jacinto Mountains, Thomas Mountains, ca. 1/2 mi from Highway 74 on Ramona Trail. Comment
  CAS-BOT-BC109625  Dudleya saxosa subsp. saxosa Reid Moran 1941-5-4 835 Riverside Hidden Valley, Joshua Tree National Monument. 1300 Comment
  CAS-BOT-BC197012  Echinochloa colona Malcom A. Nobs; S. Galen Smith 1948-9-3 488 Riverside Imperial Valley. 2 miles north of Indio 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
  UCR89945  Echinochloa crus-galli Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  UC2029921  Ehrharta calycina Scott D. White, Tasha LaDoux 20 Apr 2000 7691 Riverside SOUTH OF HEMET: Gibbel Flat in the Santa Rosa Hills. Comment
  UCR182095  Ehrharta longiflora Tom Chester 2005-4-20 581 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Margarita Ecological Reserve: Temecula Gorge, south side 239.3 Comment
  POM1375  Eleocharis geniculata I. M. Johnston 1917-4-4 s.n. Riverside Colorado Desert: Palm Canyon. 305 Comment
  UCR82836  Eleocharis geniculata A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15815 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  RSA234094  Eleocharis montevidensis Robert F. Thorne, E. W. Lathrop 1969-6-6 39345 Riverside Santa Rosa Plateau: Rancho California 610 Comment
  RSA343105  Eleocharis montevidensis Robert F. Thorne, Walter Wisura, E. W. Lathrop, S. Meury 1983-5-18 60632 Riverside Santa Rosa Plateau: Cole Canyon, near entrancd to Nature Conservancy Reserve. 530 Comment
  UCR109744  Eleocharis montevidensis T. W. Fisher 1963-10-3 s.n. Riverside Peninsular Range, Temecula area, Vail Lake 457 Comment
  UCR121202  Eleocharis montevidensis D. E. Bramlet 1990-4-26 1978 Riverside Peninsular Range, E side of Rawson Canyon, c. 7000 ft. (1.3 mi.) south of Crown Valley and 8,500 ft. (1.6 mi.) NW of Black Mountain 579 Comment
  UCR200686  Eleocharis parishii Steve Boyd, Aydee Virgen 2004-4-13 10880 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  JOTR00975  Eleocharis parishii Cole, James E. 1941-5-27 810 Riverside Joshua Tree National Park. BARKER DAM Comment
  CAS-BOT-BC418621  Eleusine indica R. E. Riefner, Jr. 2013-10-29 13 225 a Riverside La Sierra, along La Sierra Ave. at Sierra Tree St. 243 Comment
  UCR19371  Elymus condensatus John C. Roos 1965-6-19 s.n. Riverside Peninsular Range; Santa Ana Mtns, Sky Line Drive, south of Corona Comment
  JOTR35510  Elymus elymoides subsp. elymoides La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3197 Riverside Joshua Tree National Park. Little San Bernardino Mtns, lower Smithwater Canyon (Biodiversity Hunt stop4) 1219 Comment
  JOTR37442  Elymus elymoides subsp. elymoides Hodges, Stephen, T. Green 2016-5-24 564 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Quail Mountain Complex; along social trail ascending from Quail Springs parking lot towards Johnny Lang Canyon (Stop 1). Comment
  UCR146200  Elymus glaucus Scott D. White, Sandy Leatherman 2000-5-31 7979 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau: near Squaw Mountain, series of unpaved roads on east and north-facing slopes 823 Comment
  UCR22193  Elymus glaucus E. W. Lathrop 1960-6-8 4901 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau; 14 miles west of Murrieta Comment
  UCR80797  Elymus glaucus Scott D. White 1993-5-29 1478 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1220 Comment
  RSA561007  Elymus glaucus subsp. glaucus Steve Boyd, Timothy S. Ross 1992-5-4 72032 Riverside Southern Santa Ana Mountains., San Mateo Canyon Wilderness Area. Oak Flats area E of Verdugo Potrero. 732 Comment
  UCR252007  Elymus hispidus A. C. Sanders, T. B. Salvato 2014-7-2 41185 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  RSA674940  Elymus trachycaulus Scott D. White, Bill La Haye 2000-5-27 7947 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  UCD62702  Elymus trachycaulus Alan A. Beetle 1946-6-10 4396 Riverside San Jacinto Mts., San Jacinto Mt. Near Idyllwild. 1219 Comment
  RSA0031712  Emmenanthe penduliflora Tamara Joy Hanna 1991-5-19 49 Riverside Off of Coyote Canyon Road (FWD dirt) on a walking trail approx. 3 mi from the gated (back) entrance to the Anza-Borrego State Park via Horse Canyon. Comment
  UCR116927  Emmenanthe penduliflora A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24216 Riverside Perris-Aguanga Basin region, Hemet, SE of intersection of State Street and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley, 1 mi. SSW of Hemet Butte 513 Comment
  UCD131191  Encelia actoni L. S. Rose 1935-12-23 s.n. Riverside San Jacinto Mountains, above Deep Canyon, Colorado Desert. 914 Comment
  UCR26134  Encelia actoni John C. Roos 1947-3-15 3342 Riverside San Jacinto Valley, Valle Vista, east of Hemet 549 Comment
  LA83403  Encelia farinosa O. H. Kappler; 1945-5-8 215 Riverside Morongo Pass Area, Desert City Comment
  RSA795939  Encelia farinosa Duncan S. Bell 2009-4-18 257 Riverside Arica Mountains: southeast side of range, approximately 0.5 air mile southwest of Priests Well. 311 Comment
  SD173220  Encelia farinosa Melvin M. Sweet 2005-4-14 126 Riverside Anza-Borrego State Park; about 2 km NE of Middle Willows in Coyote Canyon stream bed 641 Comment
  UC135052  Encelia farinosa C. F. Baker 1903-4-4 4151 Riverside Elsinore Comment
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Feb 2 2013
  UCD131211  Encelia farinosa Gordon Pilone 1961-3-1 97 Riverside White Water Canyon, one-half mile below fish hatchery. 457 Comment
  UCR89568  Encelia farinosa George K. Helmkamp 1994-3-8 41- 01 Riverside Western Colorado Desert, Indio Hills, junction of Palm Dr. & Varner Rd, below Edom Hill 200 Comment
  POM356696  Encelia farinosa var. farinosa Howard Mullins 1931-4-11 s.n. Riverside Palm Springs. Comment
  UCR185109  Ephedra aspera LeRoy Gross, L. Lubinsky, V. W. Steinmann, L. L. Worlow 2005-2-17 1434 b Riverside Chocolatte-Chuckwalla Mountains, Colorado Desert; Corn Springs Campground in the Chuckwalla Mountains. Canyon SW of Campground 549 Comment
  POM6378  Ephedra californica Philip A. Munz, L. T. Street, G. Williams 1919-3-25 2310 Riverside Sand dunes. Whitewater. 305 Comment
  RSA129441  Ephedra californica H. S. Yates 1937-3-23 6413 Riverside 3 miles north of Palm Springs 213 Comment
  SBBG22847  Ephedra californica D. Myrick 1965-3-4 1077 Riverside Palms to Pines Hwy (St Hwy 74) 914 Comment
  UC813700  Ephedra nevadensis I. W. Clokey 1935-4-17 6509 Riverside Cottonwood Springs Colorado Desert, Cottonwood Springs Comment
  UCR33589  Ephedra trifurca Faulkner 1978-4-28 527 Riverside Sonoran (Colorado) Desert, sand dunes 3 miles south of Rice 245 Comment
  RSA737422  Epilobium brachycarpum Justin M. Wood 2008-8-31 129 Riverside Romoland, Intersection of Ethanac Rd and Antelope Rd. 441 Comment
  UCR112004  Epilobium campestre A. C. Sanders, T. B. Salvato 2000-5-25 23418 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
  UCR201818  Epilobium campestre Karin Cleary-Rose, G. Nuhn 1995-7-20 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, west edge of Hemet, 19 acre parcel on the Wilhelm Ranch, between Hwy 74 and Whittier Ave, at south end of Hyatt Ave., west of the San Diego Aqueduct 457 Comment
  UCSB42151  Epilobium campestre Roos, John 1952-6-18 Riverside Edgemont 457 Comment
  RSA48879  Epilobium canum subsp. canum J. C. Roos 1949-9-21 4663 Riverside Reche Canyon, 2.7 miles south of Hollow Hill Dairy 457 Comment
  CAS-BOT-BC171747  Epilobium canum subsp. latifolium Lewis S. Rose 1935-12-18 35656 Riverside Tahquitz Canyon, Palm Springs, Colorado Desert 182 Comment
  RSA38279  Epilobium canum subsp. latifolium P. A. Munz 1946-10-21 11587 Riverside Live Oak Tank, Joshua Tree National Monument. 1220 Comment
  SBBG44917  Epilobium canum subsp. latifolium W. B. Holt 1941-10-23 17 Riverside near Split Rock, Joshua Tree National Monument Comment
  UCR187475  Epilobium ciliatum Diane Menuz, Angela Hyde 2006-8-24 240 Riverside Peninsular Range; San Jacinto Mtns, North Fork San Jacinto River c. 100 m below FS Rd. 5S09, below Indian Mountain 1331 Comment
  RSA633883  Epilobium glaberrimum Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38157 Riverside San Jacinto Mountains: San Bernardino National Forest. Lake Fulmor. 1616 Comment
  UC472831  Epilobium glaberrimum subsp. glaberrimum Mary Fiske Spencer 1919-7-1 Riverside Idyllwild San Jacinto Mt. 1584 Comment
  UC20089  Epilobium oregonense H. M. Hall July, 1901 2357 Riverside Tauquitz Valley San Jacinto Mts 2438 Comment
  RSA6132  Epipactis gigantea B. D. Stark 1933-5-13 4985 Riverside Andreas canyon. 701 Comment
  SD233244  Epipactis gigantea Scott D. White, Justin M. Wood 2009-5-22 12928 Riverside San Jacinto Mts: Halfway Spring, accessed via Old Control Road. 1159 Comment
  UC472747  Epipactis gigantea M. F. Spencer 1922-6-23 33 Riverside near Idyllwild; Colorado Desert, San Jacinto Mt. Comment
  UCR3709  Epipactis gigantea Frank C. Vasek 1964-7-25 640725- 03 Riverside San Jacinto Mountains, Dark Canyon near Wet Canyon Campground Comment
  SEINET10907798  Eragrostis diffusa Philip A. Munz 1928-9-6 Munz 11286 Riverside Hills near Santa Ana River, Ontario-to-Corona road Comment
  CAS-BOT-BC213599  Eragrostis mexicana subsp. mexicana J. C. Roos 1965-7-7 s.n. Riverside San Jacinto Comment
  RSA129655  Eragrostis minor H. S. Yates 1937-6-28 21089 Riverside Palm Springs. 137 Comment
  JEPS74000  Eragrostis pectinacea var. pectinacea S. B. Parish 1912-6-27 8101 Riverside Mecca Comment
  UCD64344  Eragrostis pectinacea var. pectinacea Beecher Crampton 1964-6-19 7013 Riverside UC-Riverside. Experimental area; plant introduction nursery. Comment
  UCR114144  Eremalche exilis B. G. Pitzer, J. Ross 1998-3-8 3605 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  RSA4931  Eremalche rotundifolia Carl B. Wolf 1932-4-27 3067 Riverside Colorado Desert, Chuckwalla Valley, 16 mi. east of Desert Center. 122 Comment
  RSA573440  Eremocarpus setiger Steve Boyd, D. L. Banks 1994-9-8 8335 Riverside Southern Santa Ana Mountains, just outside of the San Mateo Canyon Wilderness Area of the Cleveland National Forest, flats northeast of the upper end of Tenaja Canyon, south of Wildomar Truck Trail (Tenaja Road, 7S01). 598 Comment
  OBI32597  Eremothera boothii A. C. Sanders 1983-4-24 3798 Riverside Alluvial fan at the NW end of the Orocopia Mts along hwy 195, +/- 3 mi NE of Shavers Well and 2.7 mi NE of the point where the rd enters Box Cyn 366 Comment
  CAS-BOT-BC160060  Eremothera boothii subsp. condensata Carl B. Wolf 1932-4-27 3009 Riverside Colorado Desert. 17 mi. E. of Mecca, on Blythe Road 152 Comment
  UC68568  Eremothera boothii subsp. condensata H. M. Hall 1905-4-24 5888 Riverside Chuckawalla Bench Colorado Desert Comment
  UC70079  Eremothera refracta E. E. Schellenger Apr. 1905 Riverside Santa Maria Mts. Colorado Desert Comment
  RSA0105465  Eriastrum densifolium subsp. austromontanum J. C. Roos 1965-7-22 s.n. Riverside Mountain Center Comment
  RSA0110542  Eriastrum densifolium subsp. elongatum B. Pitzer, B. L. Phillips 1988-7-1 1481 Riverside Dripping Springs Area: S of Vail Lake, N of Hwy 79, between Kolb & Arroyo Seco Creeks. 488 Comment
  UC879943  Eriastrum diffusum subsp. coachellae Lewis S. Rose 1937-4-9 37104 Riverside Palm Springs. 137 Comment
  RSA0120104  Eriastrum eremicum subsp. eremicum A. M. Alexander, Louise Kellogg 1941-5-23 2219 Riverside Four miles northeast of Cottonwood Spring, Eagle Mountains. 1113 Comment
  UCR174104  Eriastrum filifolium A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32518 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
  UCR233935  Eriastrum harwoodii Duncan S. Bell 2010-5-1 911 Riverside Sonoran (Colorado) Desert, Arica Mountains, NW of mountain range, c. 6.5 air miles SW of Rice and c. 5 air mi. NW of Priests Well 339 Comment
  CLARK-A1528-3494  Eriastrum sapphirinum John C. Roos 1965-6-13 Riverside San Jacinto Valley Comment
  UCR35053  Eriastrum sapphirinum L. B. Ziegler 1964-8-30 23 Riverside San Jacinto Mtns., Hemet (Garner) Valley, Thomas Mtn. subdivision 1402 Comment
  RSA0122951  Eriastrum sapphirinum subsp. dasyanthum D. L. Banks, Victor W. Steinmann 1995-7-10 0753 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak. E of the major drainage that flows off NW flank of Wildhorse Peak. 610 Comment
  RSA0121583  Eriastrum sapphirinum subsp. dasyanthum J. T. Howell 1928-7-9 1069 Riverside San Juan Canyon Road, Elsinore Mts. 793 Comment
  RSA0122970  Eriastrum sapphirinum subsp. sapphirinum Scott D. White, Justin M. Wood 2008-6-16 12125 Riverside San Jacinto Mountains: Fobes Canyon, +/- 1 mile up Fobes Ranch Road from Fobes Spring. 1540 Comment
  RSA0122977  Eriastrum sapphirinum subsp. sapphirinum C. B. Wolf 1932-8-4 3915 Riverside San Jacinto Mountains: Point View near Idyllwild. 1646 Comment
  UCR139651  Ericameria brachylepis A. C. Sanders 2004-7-1 28372 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, just off Wickard Rd. c. 1 mile east of the "Menifee-Antelope Community Hall", 5 miles due south of Sun City 476 Comment
  SD229089  Ericameria cuneata Dick Schwenkmeyer 2012-4-18 708 Riverside Mt. San Jacinto: Vista Grande, 1.1 mile northwest of U.S. Forestry station on Highway 243, north of Idyllwild. High granite ridge overlooking Gorgonio Pass to the north and Hemet to the west. 1540 Comment
  POM350409  Ericameria cuneata var. spathulata Jack Rempel, Erwin H. Miller 1934-4-28 18726 Riverside Lost Horse 1296 Comment
  JOTR31115  Ericameria linearifolia La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 2499 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Ridgeline just south of Quail Mountain peak with steep loose slopes and rocky outcrops (Stop 6) Comment
  UC62913  Ericameria linearifolia H. M. Hall May 17 1901-Jun 1 1901 Riverside Santa Rosa Mt. Comment
  UCD131421  Ericameria linearifolia Nancy Ryan Zabriskie; Walter Zabriskie 1972-3-30 491 Riverside West of Sugarload Mountain along Carrizo Road (6S03); northwest of Hwy 74, Santa Rosa Mountains. 1219 Comment
  SD229090  Ericameria nauseosa var. bernardina Dick Schwenkmeyer 2012-8-7 778 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  POM359440  Ericameria palmeri var. pachylepis Albert J. Perkins 1915-9-25 s.n. Riverside Pachappa Mt Comment
  RSA0008410  Ericameria palmeri var. pachylepis A. C. Sanders 1997-11-25 21625 Riverside Skinner/Domenigoni region, S of Hemet Eastside (Diamond Valley) Reservoir, Nicholson Ranch site, just below water line of reservoir under construction, E end of S side of Diamond Valley, ca. 2/3 of the way from W dam to E dam 503 Comment
  UCR250108  Ericameria palmeri var. pachylepis A. C. Sanders 2014-4-9 41007 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 0.2 km NW of intersection with Indian Truck Trail 354 Comment
  RSA617697  Ericameria parishii Scott D. White 1996-12-26 4645 Riverside San Jacinto Mountains: Bautista Canyon: along Bautista Canyon Rd, ca. 2 or 3 air mi. NW of junction with Tripp Flats Rd. 1037 Comment
  SD229092  Ericameria parishii var. parishii Dick Schwenkmeyer 2011-8-25 651 Riverside Thomas Mountain, Tool Box Springs Campground 1857 Comment
  RSA0125104  Ericameria pinifolia Duncan S. Bell 2016-10-27 10213 Riverside Whitewater Canyon area; collecting in Rainbow Canyon, 2.75 air miles northwest of the Whitewater Ranger Station (trout ponds). 1024 Comment
  UCR98178  Erigeron breweri Scott D. White 1993-5-29 1439 Riverside San Bernardino Mtns., Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1067 Comment
  JOTR31167  Erigeron breweri var. covillei La Doux, Tasha 2009-6-3 1873 Riverside Joshua Tree National Park. (Stop 6): Little San Bernardino Mountains, Covington Flats Area, dry ephemeral wash near parking area 1426 Comment
  UCR213847  Erigeron divergens Scott D. White, Justin M. Wood 2009-5-21 12874 Riverside San Jacinto Mountains, Garner Valley, 0.5 mi northwest of Morris Ranch Road (Kenworthy Ranger Station) 1387 Comment
  RSA736548  Erigeron foliosus Scott D. White, Angelia Carey 2004-7-2 10585 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  JEPS23546  Erigeron foliosus var. foliosus Peter H. Raven 1958-5-17 12935 Riverside 3.4 mi se Banning (on road to Idyllwild); San Jacinto Mountains Comment
  CLARK-A1528-2969  Eriodictyon crassifolium John C. Roos 1937-4-18 1361 Riverside Snow Creek Comment
  CSUSB103  Eriodictyon crassifolium Kenneth Hibberd 1966-3-27 660327 7 Riverside One mile north of northwest corner of Lake Elsinore. 426 Comment
  UCR172805  Eriodictyon crassifolium Abby Sirulnik 2000-4-13 07 Riverside Peninsular Ranges, Southwestern Riverside County Multispecies Reserve, c. 3 mi NE of Skinner Reservoir 610 Comment
  HSC101791  Eriodictyon crassifolium var. crassifolium J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13210 Riverside Mt. Etna Road, W of Hwy. 243. 1166 Comment
  UCR230933  Eriodictyon crassifolium var. crassifolium T. B. Salvato, Richard Camacho 2011-6-12 5490 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
  RSA699633  Eriodictyon trichocalyx Keith E. Hoffmaster 1933-4-13 s.n. Riverside Palm Springs. Comment
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Aug 27 2011
  RSA766439  Eriogonum apiculatum Ralph Hoffmann 1929-9-5 972 Riverside Strawberry Valley, San Jacinto Mts. 1646 Comment
  SBBG123018  Eriogonum apiculatum L. Wheeler 1945-10-7 6412 Riverside divide between W Fk Snow Crk and N Fk San Jacinto River 2377 Comment
  JOTR29159  Eriogonum davidsonii La Doux, Tasha, K. Knudsen, J. Galvin 2005-8-22 1235 Riverside Joshua Tree National Park. Key's view Comment
  JOTR30641  Eriogonum davidsonii La Doux, Tasha, Erin Babich 2008-4-21 1803 Riverside Joshua Tree National Park. Stop 3-Little San Bernardino Mountains, S of Covington Flat 1290 Comment
  UC6303  Eriogonum davidsonii H. M. Hall July, 1901 2624 Riverside vicinity of Strawberry Valley; San Jacinto Mountains 1584 Comment
  UCR243575  Eriogonum davidsonii Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21106 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, upper watershed on east ridge, 1.1 mi south of radio tower, c. 6 mi. south of town center of Yucca Valley 1207 Comment
  UCR77749  Eriogonum davidsonii Steve Boyd 1991-9-8 6432 Riverside Peninsular Range, Aguanga Valley, sandy wash of Temecula Creek, south of Hwy 79 at jct with Hwy 371 600 Comment
  CHSC8078  Eriogonum deflexum Edward L. Smith 1958-3-22 396 Riverside Located 6 mi. s of Rice, near Priest's Well. Little Santa Maria Mts. 365 Comment
  RSA561413  Eriogonum elongatum Steve Boyd, Tim S. Ross, Dave Bramlet 1992-9-9 7680 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Almos Road (7S04) and the confluence of Los Almos Creek,, up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  RSA192061  Eriogonum fasciculatum var. foliolosum E. W. Lathrop 1959-4-17 4480 Riverside 14 miles west of Murrieta. Tenaja Plateau. West slope of Redonda Mesa. Comment
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Apr 28 2011
  UCR139184  Eriogonum fasciculatum var. foliolosum Virginia Moran 2003-4-23 s.n. Riverside Peninsular Range, Warm Springs Preserve (managed by Center for Natural Lands Management), approximately 8 km north of Temecula and 3 km northeast of the [west?] end of Hunter Road 396 Comment
  CAS-BOT-BC250142  Eriogonum fasciculatum var. polifolium C. L. Hitchcock 1940-3-30 5874 Riverside Cottonwood Spring Comment
  LA206831  Eriogonum fasciculatum var. polifolium Flora Murray Scott; 1928-4-1 sn Riverside Whitewater Comment
  RSA393337  Eriogonum fasciculatum var. polifolium I. W. Clokey, E. G. Anderson 1935-8-21 s.n. Riverside Keen Camp P. O. 1360 Comment
  UCR90746  Eriogonum fasciculatum var. polifolium Scott D. White 1995-4-5 2745 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  RSA500555  Eriogonum gracile var. incultum Steve Boyd, Tim S. Ross, L. Arnseth 1989-6-4 3606 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  SJSU9502  Eriogonum inflatum R. C. McGehee 1970-4-15 197 Riverside Wileys Well c. 6 mi SW of Blythe Comment
  UCR3240  Eriogonum inflatum R. G. Sullivan 1972-4-20 720420- 6 Riverside Sonoran (Colorado) Desert/San Bernardino Mtns., Whitewater Canyon, 0.5 mi. north of Interstate 10 457 Comment
  UCSB8539  Eriogonum inflatum Wedberg, H. 1957-3-23 Riverside Whitewater Cyn Comment
  RSA393595  Eriogonum inflatum var. deflatum Ora M. Clark 1929-3-17 1741 Riverside N. La Quinta, Colorado Desert. Comment
  RSA0048244  Eriogonum molestum var. davidsonii Louis C. Wheeler 1931-10-2 178 Riverside Hemet-Idyllwild Road, San Jacinto Mts. 1371 Comment
  UC56366  Eriogonum nudum var. pauciflorum J. Vandeventer 1903-1 14 Riverside San Jacinto Mts. Comment
  RSA423124  Eriogonum plumatella Anstruther Davidson 1893-4-12 s.n. Riverside Palm Springs. Comment
  UCR24320  Eriogonum plumatella John C. Roos 1943-10-17 2742 Riverside Sonoran (Colorado) Desert, Dry Morongo Wash 671 Comment
  CAS-BOT-BC33969  Eriogonum plumatella var. jaegeri Edmund Carroll Jaeger 1921-11-5 251 Riverside Dry Morongo Wash, near Hole-in-the-Wall Spring Comment
  CAS-BOT-BC258243  Eriogonum pusillum Annie M. Alexander; Louise Kellogg 1941-4-22 2056 Riverside Morongo Valley Gorge 701 Comment
  SBBG118  Eriogonum pusillum L. Rowntree 1928-3-20 Riverside Morongo Valley, N of Palm Springs Comment
  UCR115353  Eriogonum pusillum A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16211 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
  SD160871  Eriogonum roseum Virginia Moran 2003-9-1 Riverside Perris-Aguanga Basin region: Wilson Valley Mitigation Bank, accessed from Wilson Valley Road Comment
  RSA772580  Eriogonum saxatile Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5051 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
  CAS-BOT-BC263519  Eriogonum thomasii Frank W. Peirson 1927-4-12 7171 Riverside Painted Canyon Comment
  SD127574  Eriogonum thomasii David Charlton 1988-2-18 1143 Riverside Alluvial fan, S side of Little San Bernardino Mtns. Fargo Canyon Road to Cottonwood Wash, S of Joshua Tree National Park, paralell to I-10. 1 mi. E of Jct Dillon Road and Fargo Cyn Road 609 Comment
  SD248480  Eriogonum thomasii Mark A. Baker, Amy Rominson, Chris Hackbarth, Michelle Cloud-Hughes 2013-3-19 17717 Riverside Palo Verde Mesa, 14 km SW of Blythe, 5 km ENE of north end of the Mule Mountains. Comment
  UC1080450  Eriogonum thomasii P. C. Everett and E. K. Balls 1958-4-29 22960 Riverside U.S.Hwy 60/70 (Indio to Blythe) 5 mi e U.S. Hwy. 99 121 Comment
  UCR245231  Eriogonum thomasii Jim Andre 2012-3-19 21320 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
  RSA766489  Eriogonum thurberi E. L. Peterson 1930-5-30 5653 Riverside Warner's Ranch at Whitewater. 366 Comment
  SEINET6894827  Eriogonum thurberi Wanda P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Just west of Perris at base of Gavilan Hills. Comment
  RSA420617  Eriogonum wrightii var. membranaceum C. M. Dammers 1933-10-27 s.n. Riverside Gavilan Hills. Comment
  CAS-BOT-BC261932  Eriogonum wrightii var. subscaposum H. M. Hall 1901-6-1 2467 Riverside San Jacinto Mountains. In open forests of Tahquitz Valley 1981 Comment
  CAS-BOT-BC297350  Eriophyllum confertiflorum Steve Boyd; et al. 1988-5-28 2282 Riverside Cahuilla Mt, W of Anza 1700 Comment
  RSA124433  Eriophyllum confertiflorum Percy C. Everett 1958-5-4 23081 Riverside Morongo Pass, 7.6 mi. N along road to 29 Palms from U.S. Hwy 60/70. 671 Comment
  UCR172251  Eriophyllum confertiflorum John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley: Leon Road (San Diego Aqueduct right of way) from Borel Road/Tucalota Creek S for c. 0.25 mi 427 Comment
  UCR180696  Eriophyllum confertiflorum Mitch Provance 2003-4-26 9884 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
  SBBG100492  Eriophyllum confertiflorum var. confertiflorum W. L. Halvorson 1977-4-1 77 -223 Riverside ca. 5 mi S of Temecula Comment
  UCR117088  Eriophyllum multicaule A. C. Sanders, T. B. Salvato 2001-5-16 24298 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  UCR37226  Eriophyllum multicaule R. A. Fawcett 1938-5-29 s.n. Riverside Peninsular Range, Gavilan Peak, south of Riverside Comment
  RSA729267  Eriophyllum wallacei R. F. Thorne, M. Z. Thorne 1973-3-30 42687 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  RSA757630  Eriophyllum wallacei LeRoy Gross, Jackie McConnaughy, Andrew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4324 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  UCR122749  Eriophyllum wallacei George K. Helmkamp, E. A. Helmkamp 1998-4-24 3383 Riverside Santa Rosa Mountains, Palms-to-Pines Hwy (Calif. Hwy 74), 1 mi north of Carrizo Rd near Black Hill 1006 Comment
  UCR882  Eriophyllum wallacei S. C. Anderson 1957-4-14 s.n. Riverside Santa Rosa Mtns., Deep Canyon, south of Palm Desert. 305 Comment
  UCR91885  Erodium botrys A. C. Sanders, E. J. Lawlor, C. L. Sanders 1996-4-21 18067 Riverside S slope of San Bernardino Mtns, Morongo Indian Reservation, grounds of the Malki Museum, NE of Banning. 732 Comment
  UCR37442  Erodium macrophyllum Steve Boyd 1981-4-15 s.n. Riverside Gavilan Hills area, south of Lake Matthews Comment
  POM14030  Erodium texanum P. A. Munz, D. Keck 1922-4-13 4923 Riverside Hayfields, Chuckwalla Valley 152 Comment
  UCR26267  Erodium texanum John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Mouth of Lost Palms Wash, Eagle Mountains Comment
  UC1034748  Erysimum capitatum G. B. Rossbach 1955-4-28 585 Riverside on Route 74 2 mi e Santa Rosa summit (nw end of mts); Santa Rosa Mts. 1502 Comment
  UCSB2339  Erysimum capitatum var. capitatum Newby, Ron 1959-5-16 Riverside 1 mile W. of Tahquitz Meadows which is 8 miles N of Idyllwild in the San Jacinto Mountains 2590 Comment
  RSA0076217  Erythranthe androsacea Jeri Hirshberg 1995-5-19 279 Riverside San Jacinto Mountains, Garner Valley. Comment
  RSA0023132  Eschscholzia androuxii I. W. Clokey 1935-4-17 6628 Riverside Cottonwood Springs. Comment
  UCR77710  Eschscholzia caespitosa Steve Boyd 1991-5-10 6210 Riverside Santa Ana Mtns, Base of range just north of mouth of Hagador Canyon, bottom Skyline Drive 459 Comment
  HSC99167  Eschscholzia glyptosperma Paul J. CaraDonna 2009-3-17 128 Riverside Jumbo Rock Campground, Joshua Tree National Park. Comment
  UCD94204  Eschscholzia glyptosperma Shannon M. Still 2008-3-21 315 Riverside California. Riverside County: Little Maria Mountains on Midland Road. North of pass through the mountains just off west side of the road. 271 Comment
  RSA66743  Eschscholzia minutiflora F. W. Peirson 1914-04 1886 Riverside Whitewater, Nw corner of Colorado Desert, River Co. Comment
  RSA796099  Eschscholzia minutiflora Duncan S. Bell 2009-4-20 303 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  UCD94205  Eschscholzia minutiflora Shannon M. Still 2008-3-21 316 Riverside California. Riverside County: Little Maria Mountains on Midland Road. In a wash north of pass through the mountains just off west side of the road. 272 Comment
  CAS-BOT-BC419621  Eschscholzia parishii Ynez Whilton Winblad 1937-3-22 s.n. Riverside East slope of Chocolate Mts. Comment
  HSC101526  Eschscholzia parishii J. P. Smith, J. O. Sawyer, R. J. Cole 2010-4-18 12779 Riverside On rocky slope among granite boulders. 355 Comment
  SBBG70178  Eschscholzia parishii M. N. Ackley -Mar-1928 772 Riverside Colorado Desert Comment
  UC494756  Eschscholzia parishii C. L. Hitchcock 1932-4-7 12211 Riverside 5 mi s Cottonwood Springs Comment
  UCR104810  Eschscholzia parishii George K. Helmkamp, E. A. Helmkamp 1998-2-18 2735 Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, 10.6 miles SSW of Chuckwalla Valley Rd. on Graham Pass Rd. 488 Comment
  UCSB3658  Eschscholzia parishii Sager, Ginny 1960-4-2 Riverside Morongo Valley Comment
  RSA0022924  Eschscholzia parishii Richard Snow 1953-4-5 50 Riverside Corn Spring. Comment
  HSC13506  Eucrypta chrysanthemifolia C. L. Hitchcock 1966-3-16 24177 Riverside 0.25 mi. W of Aguanga Comment
  RSA715256  Eucrypta chrysanthemifolia A. C. Sanders 2006-5-19 32443 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
  JOTR32110  Euphorbia abramsiana Harding, Mitzi, Kipp Callahan 2012-8-27 285 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  UCR232028  Euphorbia albomarginata John F. Green 2008-4-15 0408- 02 Riverside Peninsular Range; Perris-Aguanga Valley, Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave., east of Day St. 523 Comment
  UCR256894  Euphorbia jaegeri Duncan S. Bell, Deidre Conocchioli 2014-3-18 6250 Riverside Sonoran (Colorado) Desert, Orocopia Mountains, southern/central section of range; c. 1.25 air miles NW of Gucci Spring 511 Comment
  SD181559  Euphorbia micromera Louis C. Wheeler 1965-6-27 8690 Riverside Corona; Overboltzer's Grove. Comment
  UCR36093  Euphorbia misera R. F. Thorne, F. R. Fosberg, et al. 1983-4-23 55410 Riverside San Bernardino Mtns, Mouth of Whitewater Canyon, east of Whitewater Post Office at S end of ridge, in sandy wash east of bridge, and on base of W-facing slope of ridge 412 Comment
  UCR14422  Euphorbia ocellata subsp. ocellata A. C. Sanders 1974-9-18 0296 Riverside Riverside, Botanic Garden at U.C.R., Australian section near back fence 412 Comment
  OBI14400  Euphorbia palmeri Dieter H. Wilken 1965-6-29 375 Riverside Strawberry Meadows, near Idyllwild, San Jacinto Mts 1554 Comment
  RSA432444  Euphorbia palmeri Albert J. Perkins 1916-9-2 s.n. Riverside Idylwild Comment
  RSA0122707  Euphorbia pediculifera Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9057 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
  RSA0059013  Euphorbia polycarpa var. hirtella Edmund C. Jaeger 1939-12-3 s.n. Riverside Orocopia Mts. south of Hayfields Reservoir. 427 Comment
  RSA561062  Euphorbia spathulata T. S. Ross, David E. Bramlet 1993-5-12 7351 Riverside Southern Santa Ana Mountains, San Mateo County Wilderness area. San Mateo Canyon, along stream bed and adjacent to benches and lower slopes from confluence with Los Alamos Canyon downstream to confluence with Tenaja canyon. 366 Comment
  HSC82755  Fagonia laevis Christopher Davidson 1979-4-4 7705 Riverside Orocopia Mountains, Box Canyon on Box Canyon Rd., 5.9 miles E of Mecca. 305 Comment
  UCR85246  Fagonia laevis A. C. Sanders, P. J. MacKay, M. Jacobsmeyer, et al. 1995-3-5 15985 Riverside Sonoran (Colorado) Desert, Orocopia Mtns, Maniobra Valley, 1.6-3 mi. south of frontage road (old Hwy 60) along Interstate 10, S to edge of BLM wilderness 610 Comment
  UCR208455  Fagonia pachyacantha Scott D. White, Justin M. Wood 2009-3-24 12573 Riverside Colorado Desert, western foothills of Mecca Hills, c. 0.5 air mi east of the Coachella Canal and 4 air mi south of the I-10 Fwy 27 Comment
  RSA645543  Fatoua villosa A. C. Sanders, S. Morgan 1995-11-30 17927 Riverside Riverside: weed in the UCR Botanic Garden [UTM 10km cell: MH-7E, 5N. Edgemont.] 366 Comment
  UCR115433  Festuca microstachys Scott D. White, D. E. Bramlet 1999-4-22 7239 Riverside Lake Skinner area, Ridgetop, north, west, and northwest facing slopes of Bachelor Mtn. 762 Comment
  UCR156298  Festuca myuros T. B. Salvato, Kent Beaman 2005-5-16 831 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
  UCR18355  Festuca myuros George K. Helmkamp 1977-5-19 s.n. Riverside San Jacinto Mtns., Near Twins Pines Turnoff on Hwy 243, Valley [Hi Co.] Park area 1220 Comment
  UCR108880  Festuca octoflora Heidi A. Haid 1968-5-19 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR22152  Festuca octoflora Steve Boyd 1980-5-11 226 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
  UCR97450  Festuca octoflora A. C. Sanders, Pam MacKay, Tim Thomas, G. K. Helmkamp 1997-2-8 19681 Riverside Colorado Desert/San Jacinto Mtns:, Palm Springs area, Tahquitz Debris Basin at mouth of Tahquitz Canyon 183 Comment
  SD237518  Ficus palmata A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37152 Riverside Peninsular Range: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  RSA728602  Filago Gary D. Wallace, M. Z. Wallace 1982-3-27 1894 Riverside Whitewater River, Indian Ave. 2 mi. S of San Bernardino county line, W of Joshua Tree National Monument, NW of Desert Hot Springs. Comment
  CAS-BOT-BC223600  Fouquieria splendens subsp. splendens Dr. Barton W. Evermann 1924-4-1 s.n. Riverside Cottonwood Springs Comment
  CAS-BOT-BC223695  Frankenia salina J. C. Roos 1965-6-30 s.n. Riverside Perris Comment
  SD146251  Frankenia salina A. C. Sanders, D. Bramlet, et al. 1999-10-15 23185 Riverside San Jacinto Valley; Mystic Lake. 436 Comment
  RSA221021  Fraxinus dipetala E. W. Lathrop 1968-5-8 6429 Riverside 3 miles SW of Corona, Hagador Canyon, Cleveland Nat l Forest, Trabuco District. 274 Comment
  RSA0105844  Fraxinus uhdei Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  UCR132720  Fraxinus velutina A. C. Sanders, O. F. Clarke 1991-6-10 11132 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  UCR281017  Funastrum cynanchoides var. hartwegii Fred M. Roberts 2016-3-5 7989 Riverside Sonoran (Colorado) Desert, Little Maria Mountains: shallow canyon at west end, 4.3 km east of Palen Pass and 2.0 km WNW Peak "602" 116 Comment
  SD229053  Funastrum heterophyllum Dick Schwenkmeyer 2012-5-22 710 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 mi. south of intersection of highways 10 and 111, Riverside County, CA. 511 Comment
  JOTR36473  Funastrum hirtellum La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3441 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; at top of large cobbley wash, near Russi Rocks guzzler (Stop 4) 538 Comment
  SBBG45678  Funastrum hirtellum Leota Davidson 1965-5-10 187 Riverside rd to Cottonwood Spring Cmpgrd, ca. 23 mi S of Twentynine Palms, Joshua Tree Nat Monument Comment
  SJSU11071  Funastrum hirtellum R. C. McGhee 1970-4-14 186 Riverside E base Coxcomb Mts at end of rd 2.3 mi W of junction with Desert Center-Rice Rd Comment
  UC1478711  Galium andrewsii subsp. andrewsii C. W. Tilforth and B. Busenberg 1980-6-10 1983 Riverside s Lake Hemet (w of Hwy 74, along Thomas Mtn. Rd.) Comment
  CLARK-A1528-1351  Galium angustifolium Charles S. Papp 1964-6-6 508 Riverside Cleveland National Forest 853 Comment
  UCSB26912  Galium angustifolium Wilken, Dieter 1969-6-30 Riverside Dark Canyon, along County Road Rl, 7.0 miles north of Idyllwild, San Jacinto Mtns Comment
  RSA607791  Galium angustifolium subsp. angustifolium R. S. Woglum 1941-6-14 3067 Riverside Peninsular Ranges: Santa Rosa Mountains [Riverside/San Diego counties]. Comment
  LA208473  Galium angustifolium subsp. gracillimum Martha Hilend; 1930-6-27 612 Riverside Santa Ana River, near Leven lake Comment
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Mar 9 2014
  UCR147545  Galium angustifolium subsp. jacinticum Naomi Fraga, Sarah De Groot, Valerie Soza 2004-6-28 1283 b Riverside Peninsular Range; San Jacinto Mtns., along Red Hill Road (5S10) near Alvin Meadows, SW of Pine Cove 1677 Comment
  UCR16639  Galium aparine R. P. Sunderman 1968-5-6 6 Riverside Canyon at the end of Big Springs Road, City of Riverside 366 Comment
  JEPS52917  Galium californicum subsp. primum Lauramay T. Dempster and G. L. Stebbins 1966-6-17 4237 1/2 Riverside Chimney Flat (old control) road below Alvin Meadows; San Jacinto Mts., Chimney Flat (old control) road 1402 Comment
  RSA706291  Galium californicum subsp. primum Naomi S. Fraga, Sarah J. De Groot, Valerie Soza 2004-6-28 1280 -a Riverside Along Red Hill Road (5S10) near Alvin Meadows, southwest of Pine Cove. 1616 Comment
  UC144128 Image available Galium jepsonii Charlotte M. Wilder 1909-8-3 1113 Riverside Whitewater Basin; ; Riverside Co. Comment
  POM12870  Galium parishii Philip A. Munz 1922-7-6 6022 Riverside Near Hidden Lake. 2561 Comment
  UCR109782  Gamochaeta pensylvanica R. D. Goeden, Don W. Ricker 1972-5-20 s.n. Riverside Riverside, UCR Campus, outside insectary building near Entomology 341 Comment
  SD152991  Gastridium phleoides Steve Boyd 1992-4-23 7063 Riverside San Mateo Canyon Wilderness Area. Along San Mateo Creek from Riverside county line, following San Mateo trail upstream to the confluence with Bluewater Canyon 244 Comment
  RSA788879  Gayophytum diffusum subsp. parviflorum Gary D. Wallace 2003-7-8 4045 Riverside Hidden Lake. Comment
  UC20259  Gayophytum diffusum subsp. parviflorum H. M. Hall June, 1901 2279 Riverside vicinity of Strawberry Valley San Jacinto Mountains 1584 Comment
  UCD103558  Gayophytum heterozygum H. Lewis; M. Lewis 1962-8-2 1306 Riverside San Jacinto Mts. Pine Cove Road, Pine Cove, 0.4 mile west of Idywllwild-Banning Road. Comment
  UCR92036  Gazania linearis Scott D. White 1995-7-7 3461 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  SDSU4153  Geraea canescens K. Larson 1975-4-24 74 -671 Riverside 5 mi. N. Palm Springs along T/L near Varner Rd. Comment
  UCR174433  Geranium robertianum A. C. Sanders, T. B. Salvato 2006-5-4 32247 Riverside Riverside, UCR campus, weeds in botanical garden 351 Comment
  RSA0112033  Gilia A. C. Sanders, J. C. Dice, K. C. Rose, D. Woodard 1995-3-29 16244 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert: San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village. E side of Snow Cr. Rd., toward the north. 335 Comment
  UCR100161  Gilia Scott D. White 1994-4-23 2041 Riverside San Bernardino Mtns., Millard Canyon, c. 5 air miles north of Cabazon: U.S. Forest Service Road 2S05.1, c. 1-1.5 mi. south of Millard Canyon Guard Station and junction of roads 2S05.2 & 2S05.1A (= East Branch) 1037 Comment
  UCR139152  Gilia S. J. Myers, M. D. Wilcox 2003-5-15 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1128 Comment
  UCR166296  Gilia A. C. Sanders, J. C. Dice, K. C. Rose, D. Woodard 1995-3-29 16244 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  UCR178339  Gilia Tracy Tennant, Jeffrey Ross 1998-7-21 MOR- 653 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  JEPS69449  Gilia angelensis Dr. L. M. Newlon 1922-4-3 433 f Riverside Andreas Canyon San Jacinto Mts., Andreas Canyon Comment
  JEPS69452  Gilia angelensis W. L. Jepson 1901-5-17 1230 Riverside Riverside 266 Comment
  POM250437  Gilia angelensis I. W. Clokey, B. C. Templeton 1930-4-9 s.n. Riverside North of Banning. 1100 Comment
  SD126649  Gilia angelensis J. Hirshberg 1989-3-15 Riverside Santa Rosa Plateau, south of Murrieta; southwest of Mesa de Burro. 579 Comment
  SDSU3067  Gilia angelensis W. E. Rehlaender 1983-4-22 91 Riverside Riverside; NE rim of Sycamore Canyon, about 1 mile SW of Highway 60 and 2 1/2 mile SSE of UCR campus. Comment
  UCR127344  Gilia angelensis A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25848 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  UCR19409  Gilia angelensis C. S. Papp 1960-5-17 014 Riverside Elsinore Comment
  RSA278313  Gilia capitata subsp. abrotanifolia C. W. Tilforth 1979-5-18 1799 Riverside Alo Hwgy 243, 3.5 miles south of Banning at turn-off to Mt. Edna. Comment
  RSA796519  Gilia capitata subsp. abrotanifolia R. F. Thorne, E. W. Lathrop 1977-5-18 49729 Riverside Santa Ana Mountains: Bear Spring [east slope of Santiago Peak] Comment
  RSA489834  Gilia diegensis D. Charlton 1988-5-28 2132 Riverside Santa Rosa Mts. S of Hwy. 74 dirt road to Toro and Santa Rosa Peaks. Toro Camp Area. 2286 Comment
  UCR169918  Gilia latifolia Scott D. White, Jennifer H. Jones 2005-4-21 10941 Riverside Sonoran Desert, Eastern Coachella Valley. Bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  UCR60707  Gilia maculata R. F. Thorne, M. Z. Thorne 1973-3-30 42656 Riverside Sonoran (Colorado) Desert, Morongo Valley Canyon, near mouth at junction of roads to Morongo Valley and Desert Hot Springs; [vicinity of Hwy 62 crossing of Mission Creek] 488 Comment
  UC455467  Gilia ochroleuca subsp. exilis I. J. Condit 1910-6-22 Riverside Tahquitz Camp San Jacinto Mts. 2438 Comment
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Apr 7 2008
  RSA0023244  Gilia scopulorum J. Andre 2013-3-4 23870 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
  RSA776340  Gilia scopulorum Duncan S. Bell 2010-3-20 640 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 215 Comment
  RSA67695  Gilia sinuata Verne Grant, Alva Grant 1952-4-1 17522 Riverside Near White Tank at summit of pass between Little San Bernardino Mountains and Pinto Mountains Comment
  SEINET3208891  Gilia sinuata G. Goodwin 2012-6-14 3446 Riverside San Jacinto Mountains, south of Banning along highway 243 just north of Vista Grande viewpoint 1550 Comment
  RSA709878  Gilia stellata Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4623 -a Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UC937310  Gilia stellata I. W. Clokey 1935-4-17 6801 Riverside Cottonwood Springs Comment
  UCR101591  Gilia stellata Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  UC489087  Glyceria elata C. V. Meyer 1928-7-24 519 Riverside Idyllwild Falls; San Jacinto Mts. 1889 Comment
  POM17509  Glycyrrhiza lepidota P. A. Munz 1923-6-18 7132 Riverside Temecula Canyon. Comment
  UCR91659  Gnaphalium californicum D. L. Banks, Steve Boyd 1995-4-5 0158 Riverside Agua Tibia Mountains, Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn, east of the Dripping Springs Alcove, east of the Dripping Springs Trail, in the N flowing drainage that empties into Arroyo Seco. 549 Comment
  RSA36560  Gnaphalium canescens Sara M. Schenck 1942-04 s.n. Riverside Split Rock, Joshua Tree National Monument, Riverside Comment
  CLARK-A1528-223  Gnaphalium microcephalum Margaret Ferro 1970-5-16 22 Riverside Jurupa 365 Comment
  UC218266  Gnaphalium palustre P. A. Munz 1922-6-30 5919 Riverside Santa Rosa Southern California, Santa Rosa Mountains, Santa Rosa 1981 Comment
  UCR281213  Gnaphalium palustre Mitch Provance, John Hazlett, Matt K. Beyers 2017-4-19 417- 52 Riverside Menifee Valley, Menifee, about 0.5 miles south of Sun City, and 0.5 miles west of Romoland, SW corner of Lazy Creek Rd. and Murrieta Rd. 431 Comment
  UCR90309  Gnaphalium palustre F. M. Reed 1922-5-17 4748 Riverside Sonoran (Colorado) Desert, east of Palm Springs 152 Comment
  RSA501019  Guillenia lasiophylla Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3138 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 518 Comment
  UC354428  Guillenia lasiophylla Edmund C. Jaeger 1925-12-12 Riverside near Palm Springs; Eagle Canyon 106 Comment
  CLARK-A1528-1863  Gutierrezia bracteata John C. Roos 1937-7-11 1506 Riverside Reche Canyon Comment
  RSA586842  Gutierrezia californica D. L. Banks, Peter Morrell 1995-5-4 0309 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, N of the Wildhorse Trail, on metasedimentary hills N of Wildhorse Peak. 622 Comment
  RSA0124742  Gutierrezia microcephala Duncan S. Bell, LeRoy Gross 2016-3-9 8843 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central section of range, approximately 1.75 air miles north of Gucci Spring. 551 Comment
  POM78959  Gutierrezia sarothrae I. M. Johnston 1925-7-1 s.n. Riverside Along Ontario Road, 3 miles W of Riverside. Comment
  UC53958  Gutierrezia sarothrae J. Vandeventer 1903-1-1 10 Riverside San Jacinto Mts. Comment
  UCR182163  Gutierrezia sarothrae Mitch Provance 2003-4-5 6612 Riverside San Bernardino Valley, Jurupa Mountains, Glen Avon, slopes above the northern extreme of Campbell St 274 Comment
  UCR109456  Haplopappus acradenius A. C. Sanders, Pam MacKay, Tim Thomas, O. F. Clarke 1996-11-23 19659 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
  SBBG122760  Harpagonella palmeri A. Parikh 1990-4-25 156 Riverside base of Gavilan Pk, 1.7 km N of Lake Matthews Drive, 1.8 km W of Gavilan Rd 637 Comment
  SEINET3242788 Image available Harpagonella palmeri Steve Boyd 1986-1 1384 Riverside Temescal Canyon: Alberhill Mtn., south slope of mtn., just east of claymine area. 427 Comment
  SEINET3242789 Image available Harpagonella palmeri D. Bramlet 1993-1 2301 Riverside Siegal Ranch Road approximately 120 m south of Cajalco Road and 1 km east of the intersection of Cajalco Rd. and Sierra Ave. The site was located some 180 m west of Siegal Ranch Road. Comment
  UCR151247  Harpagonella palmeri Steve Boyd 2001-4-12 10414 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Gavilan Hills Region: South base of Alberhill Mountain on flats north of Nichols Road and West of Pierce Street, in the vicinity of the site of Terra Cotta Comment
  RSA0045287  Helianthus annuus subsp. lenticularis Margaret Murphy 1983-5-15 0024 -C Riverside Dry river wash located in the north section of parcel 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  SDSU12916  Helianthus gracilentus Jutta Buschbom 1991-6-20 18 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
  UCR125273  Helianthus gracilentus A. C. Sanders 2002-11-21 25643 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  RSA360021  Helianthus niveus subsp. canescens A. Menke 1955-4-26 s.n. Riverside Indian Wells Comment
  SJSU10556  Helianthus petiolaris subsp. canescens T. G. Balgooyen 1966-4-4 Riverside 1 mi S of Palm Springs Comment
  SEINET959054  Heliotropium curassavicum A. C. Sanders 2006-1 32273 Riverside Warm Springs Valley, N edge of City of Lake Elsinore, 35 acre parcel south of the intersection of Callier Ave. and Riverside Dr., NE of Alberhills Crk., NW of Enterprise Way (Lake Elsinore 7.5Q) 389 Comment
  CLARK-A1656-888  Heliotropium curassavicum subsp. oculatum Jim Cornett 1977-7-10 Riverside Thermal 0 Comment
  RSA653356  Heliotropium curassavicum var. oculatum Robert MacGregor 1984-5-19 2 Riverside Lake Elsinore, CA Hwy 74, 1 mile W of junction with 15W Fwy, N side of road. Comment
  UCR121195  Hemizonia fasciculata D. E. Bramlet 1989-5-21 1878 Riverside Perris-Aguanga Basin region, Lake Skinner County park, south side of the lake c. 2500 ft. east of dam 448 Comment
  POM5967  Hemizonia kelloggii Jenkins, Street s.n. Riverside Hemet Comment
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Feb 3 2013
  UCR60919  Hemizonia kelloggii Steve Boyd, T. S. Ross, L. Arnseth 1989-6-10 3687 Riverside Peninsular Range, Vail Lake area, benches of Arroyo Seco and slopes of hills to the east 488 Comment
  RSA674600  Hemizonia mohavensis Scott D. White 2000-8-5 8100 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  UCR82774  Hemizonia mohavensis A. C. Sanders, T. Schram, D. Wappler 1994-10-6 15783 Riverside San Jacinto Mtns, Azalea Creek above Twin Pines, Twin Pines Creek drainage 1192 Comment
  UCR82775  Hemizonia mohavensis A. C. Sanders, T. Schram, D. Wappler 1994-10-6 15789 Riverside San Jacinto Mtns., N slope: south side of Twin Pines Road just west of the entrance to Twin Pines Ranch 1067 Comment
  RSA727715  Hemizonia paniculata R. E. Riefner 2006-9-19 06 -444 Riverside Temecula Valley, c. 0.2 mi. west of I-15 Freeway along Temecula Creek, head of Santa Margarita River. 301 Comment
  UCR117711  Hemizonia paniculata Mitch Provance 1998-6-11 678 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville; housing development now known as Southridge 320 Comment
  UCR266357  Hemizonia paniculata D. E. Bramlet 2005-6-28 3884 Riverside Murrieta, Elm St. NE of I-15, just S of I-215 junction 329 Comment
  RSA357123  Hemizonia pungens subsp. laevis R. F. Thorne, P. A. Munz, Earl Lathrop 1968-5-8 37606 Riverside Lake Elsinore: behind levee at SE end of Lake Elsinore, ca. 1 mile S of Elsinore. Comment
  RSA520922  Hemizonia pungens subsp. laevis D. E. Bramlet 1990-7-26 2062 Riverside Murrieta Creek at the Rancho California Street bridge in Temecula. On W side of creek, just E of Diaz Rd and within the creek channel 330 Comment
  RSA532585  Hemizonia pungens subsp. laevis D. E. Bramlet, D. Bradney 1989-6-13 1924 Riverside Domenigoni-Diamond Valley, in an open ditch just east of Gateway farms. The site is just south of Newport Rd, at the Newport and Lucas Rd interesection. 517 Comment
  UCR90763  Hemizonia pungens subsp. laevis D. E. Bramlet 1993-5-16 2356 Riverside 5.7 km west of Hemet, 488 m north of Florida Ave and 1 m west of old Warren Road. the site is found on a parcel between old Warren and Warren Rd., c. 274 north of the intersection of these two roads 456 Comment
  RSA3979  Hesperocallis undulata Carl B. Wolf 1932-4-29 s.n. Riverside Eastern Colorado Desert, 3 miles S of Rice on the Blythe road. 213 Comment
  SDSU13944  Heterocodon rariflorum Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2109 Riverside Wet meadow region, south end of second small meadow north of El Valle. Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 640 Comment
  RSA192331  Heteromeles arbutifolia H. A. Zuill 1966-6-29 259 Riverside Around lake on Mesa top near Santa Rosa Ranch about 6 miles SW Murrieta Comment
  UCR22150  Heterotheca grandiflora Steve Boyd 1980-12-13 363 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau Comment
  RSA575904  Heterotheca sessiliflora subsp. echioides Steve Boyd 1994-10-14 8381 Riverside Southern Santa Ana Mts., San Mateo Canyon Wilderness Area of the Cleveland Nat'l Forest. San Mateo Canyon, sandy benches in canyon bottoms at the confluence with Bluewater Canyon. 329 Comment
  UCR92394  Heterotheca sessiliflora subsp. echioides F. M. Reed 1907-10-20 1978 Riverside South Coast; San Bernardino Valley, Sandy mesa in W Riverside, Crestmore townsite 275 Comment
  OBI76848  Heterotheca sessiliflora var. sanjacintensis J. C. Semple & J. Chimielewski, J. Chimielewski 1987-9-30 8981 Riverside Idyllwild, CA-243, just S of Idyllwild Park, Manzanita Dr Comment
  CHSC99615  Hibiscus denudatus LeRoy Gross 2005-3-3 1589 Riverside Colorado Desert; Northeastern Colorado Desert region: Palen Mountains, south side. Near end of old prospect road. Near 33.71244N, 115.11171W to 33.72053N, 115.11051W. Growing in sandy wash. 225 Comment
  RSA708053  Hirschfeldia incana Scott D. White, Angelia Carey 2004-4-16 10170 Riverside Indian Creek and adjacent slopes. 549 Comment
  SDSU13567  Hirschfeldia incana W. Miller with C. Mosse 1972-7-11 Riverside Comment
  UCSB18783  Hoffmannseggia microphylla Winn, Will 1963-4-8 Riverside U.S. Highway 60-70, 32.2 miles W of Desert Center 304 Comment
  RSA179498  Hordeum brachyantherum subsp. californicum E. W. Lathrop 1959-5-17 4546 Riverside 14 miles west of Murrieta. Comment
  RSA717054  Hordeum depressum A. C. Sanders 2003-5-9 26582 Riverside San Jacinto Valley: west of Hemet, west edge of Warren Road just north of Hwy 74 (Florida Ave.) 457 Comment
  RSA717589  Hordeum depressum A. C. Sanders 2004-5-12 27877 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  UCR182515  Hordeum marinum Mitch Provance 2005-5-17 6595 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  UCR162936  Hordeum marinum subsp. gussoneanum Fred M. Roberts, D. E. Bramlet 2005-4-1 6144 Riverside Upper Salt Creek, W of Hemet, parcel between Devonshire and Florida, c. 0.2km N of Florida and 0.2km W San Diego Aquaduct; c. 2km NW Ryn Field 457 Comment
  UCR117650  Hordeum murinum Scott D. White, M. Jacobsmeyer 1996-4-20 3871 Riverside Perris Basin, near Perris Airport; c. 100 m south of Case Road and 100 m west of the San Jacinto River Channel 433 Comment
  RSA644635  Hordeum murinum subsp. leporinum Scott D. White 1993-3-12 1145 Riverside San Jacinto Valley: between aqueduct and Warren Road. 457 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
  UCR256883  Horkelia clevelandii G. D. Wallace 2003-7-8 4050 Riverside Peninsular Range; San Jacinto Mountains, Hidden Lake 2652 Comment
  SD212603  Hosackia oblongifolia T. B. Salvato, John F. Green 2004-5-27 604 Riverside Head of Banning Canyon close to the San Bernardino County line, 0.5 mile southeast of Oak Glen Conservation Camp. 1402 Comment
  SEINET5327478  Hosackia oblongifolia var. oblongifolia H. M. Hall s.n. Riverside San Jacinto Mt. Comment
  SEINET5327479  Hosackia oblongifolia var. oblongifolia I. W. Clokey, E. G. Anderson 1935-8-21 6722 Riverside Fuller's Creek, San jacinto Mts. 1500 Comment
  SBBG65750  Hulsea vestita subsp. callicarpha Mrs. J. D. Wright 1929-6-25 Riverside Idyllwild Comment
  UCD133291  Hulsea vestita subsp. callicarpha D. H. Wilken 1969-6-30 7856 Riverside Riverside County Road R1, at junction of Dark Canyon Road, 5 miles northeast of Idyllwild, San Jacinto Mountains. 1524 Comment
  UCR137742  Hydrocotyle ranunculoides L. C. Wheeler 1961-6-24 7907 Riverside San Jacinto Mountains, Fulmor Lake Comment
  RSA696758  Hymenoclea salsola J. R. Bruff 1928-4-2 94 Riverside Canyon wash 1 mile west of Morengo. Comment
  JOTR32486  Hymenoxys cooperi La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2473 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast side of Quail Mountain; Steep, loamy, loose slopes just below the summit (Stop 3) Comment
  UCD110394  Hypericum perforatum subsp. perforatum Robert F. Thorne; Steve Boyd and Earl Lathrop 1985-7-18 61167 Riverside Santa Rosa Plateau: Along upper Clinton Keith Road. 487 Comment
  UC1184104  Isocoma acradenia var. acradenia Jerry Powell 1960-10-19 Riverside 7 mi n Temecula Comment
  UCR238739  Isocoma menziesii A. C. Sanders, John F. Green 2012-6-25 40306 Riverside Peninsular Range; Santa Ana Mtns. Region, small canyon east of Horsethief Canyon Rd., below end of Kicking Horse Dr. & Caravan Circle 389 Comment
  UC1929839  Isocoma menziesii var. vernonioides Scott D. White, Angelia Carey and Linda Archa 2004-8-5 10667 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation. Comment
  UCSB52655  Isoetes howellii Thorne, Robert; Thorne, M.; Wisura, Walter 1978-5-21 Riverside Santa Rosa Plateau: Mesa de Colorado. 609 Comment
  RSA357155  Isoetes orcuttii R. F. Thorne 1973-5-23 43853 Riverside Santa Rosa Plateau:; N side of Mesa de Colorado. 610 Comment
  CHSC35206  Isomeris arborea var. arborea James Henrickson 1973-3-18 8610 b Riverside Ca. 33 (air) miles E of Temecula, 5-7 miles SE of Terwilliger, at N end of Coyote Canyon Road, on the first steep grade down to canyon. 792 Comment
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Apr 6 2013
  CAS-BOT-BC324740  Iva axillaris I. M. Johnston 1918-5-30 2014 Riverside Temescal Canyon 365 Comment
  CAS-BOT-BC6218  Ivesia callida Harvey Monroe Hall 1901-8-1 2611 Riverside San Jacinto Mountains, near Tauquitz. 2438 Comment
  SD229194  Juglans californica Dick Schwenkmeyer 2012-10-16 843 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 505 Comment
  SD229195  Juglans californica Dick Schwenkmeyer 2012-10-16 854 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 505 Comment
  CAS-BOT-BC140653  Juglans hindsii A. C. Sanders; R. E. Riefner, Jr. 2009-8-11 37143 Riverside Peninsular Range: Box Springs Mtns. Foothills, Riverside 345 Comment
  UCR189779  Juglans hindsii Theresa Johnson 2007-10-9 401 Riverside Peninsular Ranges, Perris-Aguanga basin, Estelle Mountain 498 Comment
  UCR80816  Juncus balticus Scott D. White 1993-5-29 1484 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1372 Comment
  RSA304348  Juncus bryoides Barbara Ertter, Jeffrey L. Strachan 1979-6-26 2972 Riverside Kenworthy Forest Station on Route/ Highway 74 in Garner Valley, San Jacinto Mountains. Comment
  SD140238  Juncus bufonius A. C. Sanders 1993-4-5 13685 Riverside Western edge of Hemet, along south side of Devonshire Avenue, between Ols Warren and Warren Roads, southwest of Tres Cerritosa and North of Florida Avenue (Highway 74). 459 Comment
  UCR116907  Juncus bufonius A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23966 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  UCR22063  Juncus bufonius Steve Boyd 1980-4-13 129 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 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
  UC1931127  Juncus macrophyllus Scott D. White, Justin Wood 2008-6-18 12248 Riverside San Jacinto mountains; Meadow N/ W of Keen Camp Summit, S/W of highway 79. (Idyllwild). Comment
  UC1601796  Juncus mexicanus H. M. Hall Jul 1901 2249 Riverside Fuller's Mills San Jacinto Mountains 1767 Comment
  UCR20875  Juncus oxymeris A. C. Sanders 1978-7-3 782 Riverside San Jacinto Mountains, along old fire road between the James Reserve and the Black Mountain Road 1677 Comment
  POM184650  Juncus rugulosus L. C. Wheeler 1931-10-3 188 Riverside Strawberry Valley, San Jacinto Mountains. 1585 Comment
  SEINET10755901  Juncus rugulosus J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12832 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then a few kilometers on Whitewater Canyon Road to where it comes closest to the river. Comment
  UC2030097  Juncus rugulosus Scott D. White 2000-5-3 7769 Riverside TEMECULA AREA: Near Wolf Valley. Valley and hillsides along unamed tributary to Temecula Creek, directly S of Red Hawk subdivision. Comment
  UCR125765  Juncus rugulosus A. C. Sanders, Lowell J. Bean, Pesach Lubinsky, et al 2003-1-10 25657 Riverside San Jacinto Mountains, Bautista Canyon, c. 3/4 mile above the Horse Canyon confluence, near beginning of Alessandro Trail 884 Comment
  RSA696125  Juncus torreyi A. C. Sanders, Mark A. Elvin, Jane Rodgers 2001-8-17 24598 Riverside Mojave Desert, Little San Bernardino Mtns.: Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airline) SW from park road in Lost Horse Valley 1341 Comment
  RSA192264  Juncus xiphioides E. W. Lathrop 1960-6-9 4966 Riverside 14 miles west of Murrieta. Comment
  JOTR34472  Juniperus californica Andre, Jim 2012-4-16 20952 Riverside Joshua Tree National Park. Pleasant Valley; along Geology Tour Road at SW end of one-way loop at drainage below Pinyon Well. Approx. 7.5 mi south of Natl Park loop road (paved). 1094 Comment
  CAS-BOT-BC234594  Justicia californica Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9557 Riverside 1 mile below Cottonwood Springs Comment
  JEPS9192  Justicia californica Marjorie D. Clary 1934-3-3 Riverside 18 mi. w. of Indio (Carrizo Canyon); Carrizo Canyon 304 Comment
  SEINET7248824 Image available Justicia californica L. S. Rose 1946-1 46304 Riverside Tahquitz Canyon Wash, Palm Springs 139 Comment
  UCR242293  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 114 Comment
  UCR251725  Kallstroemia californica Deidre Conocchioli, Billy Sale, Naomi Fraga 2013-9-25 55 Riverside Sonoran (Colorado) Desert, 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 I-10 exit ramp 334 Comment
  CLARK-A1528-853  Keckiella antirrhinoides C. M. Flanagan 1973-5-31 OO 609 Riverside Morongo Indian Reservation 914 Comment
  UCR15968  Keckiella antirrhinoides Rex Sanders 1973-5-13 s.n. Riverside Santa Ana Mtns., Cleveland National Forest; along Hwy 74, 10.18 mi from Orange County line, 1 meter from road, above Lake Elsinore Comment
  UCSB17553  Keckiella antirrhinoides Otey, D. 1963-5-4 Riverside Banning to Idyllwild Road; 2.5 miles south of Banning 853 Comment
  SEINET13768169  Keckiella antirrhinoides I. W. Clokey, E. G. Anderson 1936-4-16 6885 Riverside East of Hemet along San Jacinto River 600 Comment
  RSA401718A  Keckiella antirrhinoides subsp. microphylla Robert Gustafson, Gary D. Wallace 1982-5-19 2568 Riverside Pines to Palms Hwy (Hwy. 74), vicinity of Pinyon Flat campground. Comment
  NY786768  Keckiella antirrhinoides var. microphylla A. M. Alexander 1941-5-23 2215 -a Riverside Mouth of canyon, north base of Eagle Mountains 1158.2 Comment
  LA209266  Keckiella cordifolia W. E. Pequegnat; 1937-8-11 Riverside Santa Ana Mountains, above Bear Spring on Santiago Peak Comment
  OBI37488  Keckiella cordifolia Steve Boyd 1985-7-23 1022 Riverside De Luz Rd, 8.5 mi W of rancho California 274 Comment
  UCR119859  Keckiella rothrockii subsp. jacintensis Heidi West 2000-7-20 s.n. Riverside San Jacinto Mtns., Hidden Lake Divide, 0.2 mi. ESE of Divide Peak and c. 0.15 mi. SW of the W edge of Hidden Lake, just east of trail from Long Valley to Willow Creek 2659 Comment
  UCR266913  Kochia scoparia D. E. Bramlet 2005-7-13 3890 Riverside Perris Aguange Basin Region; San Jacinto Valley, 20 ft. west of Davis Road just south of Marvin Rd., San Jacinto Wildlife Area 434 Comment
  RSA489842  Koeleria macrantha D. Charlton 1988-5-21 1937 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on Hwy 74 1677 Comment
  UC38719  Koeleria macrantha H. M. Hall 1901-6-20 2206 Riverside s side San Jacinto Mountains; s side San Jacinto Mountains 1645 Comment
  UCD107077  Krameria bicolor Collector Unknown 1923-5-19 294 Riverside Little Morongo Wash, near Warren's Ranch. Comment
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Feb 15 2013
  JEPS64835  Krameria erecta W. L. Jepson 1901-5-22 1371 Riverside Palm Canyon Mt. San Jacinto (<= Palm Sprs of San Jacinto>, and return to Van Deventer's Ranch); , Palm Canyon Comment
  JOTR16724  Krameria erecta Baker, James K. & Baker, Ilisa T. 1966-6-26 s.n. Riverside Joshua Tree National Park. ROAD TO PROSPECT 1/2 MILE WEST OF SPLIT ROCK 1341 Comment
  JOTR32436  Krameria grayi La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2258 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; granite and basalt rocky slopes above bouldery draws feeding into Pleasant Valley (Stop 3) 1041 Comment
  UCR21851  Lactuca serriola 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
  JEPS48457  Lamarckia aurea W. L. Jepson 1939-4-17 19120 Riverside 2 mi s of Corona (on road to Temecula) Comment
  UCR158320  Lamium amplexicaule A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30063 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
  JEPS69821  Langloisia setosissima subsp. setosissima W. L. Jepson 1927-4-14 11695 Riverside Silent Canyon, s.e. end Santa Rosa Mts. Colorado Desert, s.e. end Santa Rosa Mts., Silent Canyon 304 Comment
  JOTR31951  Larrea tridentata La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2188 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky drainages feeding into southwest Pinkham Wash Comment
  RSA390013  Larrea tridentata N. C. Cooper 1944-4-8 1048 Riverside Andreas Canyon. 305 Comment
  UCR161365  Larrea tridentata Mark A. Elvin 2005-4-25 4222 Riverside Northern Sonoarn Desert, Coachella Valley; N of Palm Springs; N of 110; south of Dillon Road; east of Indian Avenue 244 Comment
  UCSB7606  Larrea tridentata Beeks, Richard 1952-4-4 Riverside 7 miles North of Mecca, in Box Canyon Comment
  RSA392781  Lastarriaea coriacea E. Crow 1929-4-21 338 Riverside North of Alberhill Comment
  UCR281097  Lastarriaea coriacea Mitch Provance, Jeremiah George 2017-3-21 317- 07 Riverside Temescal Valley, Horsethief Wash (E branch impeded by development), N of Hwy 15 and NNW of Horsethief Rd., area between Temescal Canyon Rd. and Temescal Creek 357 Comment
  POM361587  Lasthenia coronaria M. B. Dunkle 1935-3-10 4356 Riverside Temescal Canyon. 274 Comment
  RSA314645  Lasthenia coronaria R. F. Thorne 1983-4-23 55459 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  UCR102761  Lasthenia coronaria B. G. Pitzer 1998-3-7 3586 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
  UCR48374  Lasthenia coronaria Steve Boyd 1986-5-1 1821 Riverside S slopes of Bachelor Mtn, east end of Lake Skinner Comment
  UCR97899  Lasthenia coronaria A. C. Sanders 1997-3-1 19710 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  RSA609945  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1995-6-8 2431 Riverside San Jacinto Wildlife Area, Lovell Unit. The population is located in the berms & within the old duck ponds. The site is located 1.71 km East of Davis Road and 46 m south of the existing access road., The size is 640 m. N of the Jan Jacinto River channel. 435 Comment
  UC217922  Lasthenia glabrata subsp. coulteri P. A. Munz 1922-4-15 4990 Riverside near Moreno; San Jacinto Lake Comment
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Mar 20 2011
  POM8300  Lasthenia gracilis P. A. Munz, R. D. Harwood 1920-3-20 3368 Riverside 5 miles S of Corona. 305 Comment
  UCR90755  Lasthenia gracilis Scott D. White 1995-4-5 2741 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  RSA736550  Lathyrus laetiflorus Scott D. White, Angelia Carey 2004-7-2 10583 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UC1719501  Lathyrus sulphureus D. Atwood 1993-3-26 17654 Riverside Summit of Santa Ana Mountains, 4.8 mi S of Lake Elsinore, along Hwy 74 812 Comment
  JOTR32118  Layia glandulosa La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2276 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
  CAS-BOT-BC249032  Layia platyglossa A. C. Sanders; Nathan Moorhatch 2011-3-22 38796 Riverside Peninsular Range; Perris-Aguanga Basin: Romoland in Menifee Valley, powerline route along McLaughlin Rd. between Palomar Rd. and San Jacinto Rd. 442 Comment
  POM361706  Layia platyglossa subsp. campestris N. C. Cooper 1945-5-5 2251 Riverside San Gorgonio Mountains above Banning. 915 Comment
  RSA190628  Layia ziegleri L. B. Ziegler 1966-6-10 s.n. Riverside Between Mountain Center and Keen Camp Summit, San Jacinto Mts. 1448 Comment
  RSA554006  Leersia oryzoides J. C. Roos 1965-11-4 s.n. Riverside Fairmont Park, Riverside 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
  SD80983  Lepechinia cardiophylla Dick Potter 1970-8-1 Riverside 20 miles southsoutheast of Corona on Horsethief trail in vicinity of Main Divide Road. 1219 Comment
  UCR76170  Lepidium dictyotum var. dictyotum A. C. Sanders 1993-4-1 13669 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
  LA204439  Lepidium fremontii Carl Epling; William Robison 1933-6-26 sn Riverside Little San Bernardino Mountains, Key's View 1523 Comment
  UC170137  Lepidium fremontii E. E. Schellenger 1895-12-5 92 Riverside Chuckawalla Bench Colorado Desert Comment
  UCSB2386  Lepidium fremontii Bobkowski, Vincent 1960-4-2 Riverside 60 yards south of Southern Entrance to Joshua Tree National Monument; off U.S. 60-70 (near intersection of 60-70 with Calif. 195) Comment
  JOTR37452  Lepidium fremontii var. fremontii Hodges, Stephen, T. Green 2016-5-24 574 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Quail Mountain Complex; On slopes with granitic boulders descending down east side of Minerva Hoyt peak towards Lost Horse area and in sandy washes beneath slopes (Stop 3). Comment
  RSA718298  Lepidium lasiocarpum Michael Honer, L. Hulse 2004-4-2 1879 Riverside East Wide Canyon; near MWD aqueduct, appx 2 mi. N of Dillon Rd. 488 Comment
  UC1971244  Lepidium latifolium Scott D. White 1998-6-28 6801 Riverside CORONA: River Road bridge over the Santa Ana River. USGS 7.5' Corona North quad. Comment
  CAS-BOT-BC126745  Lepidium nitidum A. C. Sanders; T. B. Salvato 2011-3-29 38885 Riverside Peninsular Range; Perris-Aguanga Basin Region: between Sun City and Perris, along powerline corridor between Byers St. and west end of McLaughlin Rd. and Wheat St. 447 Comment
  UCR16631  Lepidium virginicum var. robinsonii James K. Ryan 1969-3-26 s.n. Riverside City of Riveside, Box Springs Mtns. 100 ft uphill beyond Canyon Reservoir, at theast end of Blaine St. 427 Comment
  CAS-BOT-BC329443  Lepidospartum squamatum Carl B. Wolf 1932-10-14 2452 Riverside Whitewater Wash, 0.5 mile above bridge on the Banning to Indio road. 365 Comment
  JEPS2497 Image available Lepidospartum squamatum W. L. Jepson 1914-5-18 6008 Riverside Pinyon Well; ; ; Pinon Well 1219 Comment
  SEINET3412102 Image available Leptochloa fusca subsp. uninervia Unknown 1987-8-19 8054 Riverside 2 km south of Ripley. Along an irrigation ditch at edge of a cotton field. Forming large and conpicuous clumps. Locally common 15 Comment
  UC1100299  Leptochloa uninervia Malcolm A. Nobs and S. Galen Smith 1948-9-3 494 Riverside citrus grove 2 mi n Indio; Imperial Valley Comment
  CLARK-A1528-3462  Leptodactylon californicum John C. Roos 1965-6-30 Riverside Santa Ana Mountains Comment
  POM364530  Leptosiphon ciliatus N. C. Cooper 1944-7-16 1559 Riverside San Jacinto Mountains, above Pine Cove. 2073 Comment
  RSA73688  Leptosiphon ciliatus E. C. Jaeger 1921-7-12 5456 Riverside Dutch Flats, San Jacino Mts. Comment
  POM570725  Leptosiphon liniflorus Steve Boyd, T. S. Ross, J. Travis Columbus 1993-10-23 8192 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, upper Morrell Canyon along Morgan Trail (5W02). 878 Comment
  SBBG101739  Leptosiphon liniflorus S. Boyd with D. Bramlet 1991-5-13 6253 Riverside Domenigoni Hills, N side of Domenigoni-Diamond Valleys ESE of Winchester; ridgetop S of S end of Warren Rd; T5S, R1W, N1/2, S31, N/2 548 Comment
  UCR280621  Leptosiphon parviflorus Mitch Provance, Jeremiah George, Matt K. Beyers 2017-4-3 417- 09 Riverside Gavilan Hills, Alberhill Canyon, dirt road portion of Lake St., about 0.8 miles N of Hwy. 15 at Alberhill. 457 Comment
  UCR161441  Lessingia filaginifolia A. C. Sanders, Mike Misenhelter 2005-9-20 31677 Riverside San Jacinto Mtns. Foothills, Santa Rosa Hills south of Hemet, road NW of Gibbel Flat, south end of Cornell St., 0.5 mi. SE of the Ramona Bowl 610 Comment
  UCR3716  Lessingia filaginifolia Frank C. Vasek 1964-7-25 640725- 22 Riverside San Jacinto Mtns, road out of Dark Canyon 1829 Comment
  POM122893  Lessingia glandulifera var. glandulifera Marcus E. Jones 1924-8-30 s.n. Riverside San Jacinto Mountains; Tahquitz trail. Comment
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Sep 16 2011
  RSA773655  Lessingia glandulifera var. glandulifera Duncan S. Bell, Joy England 2010-10-5 1974 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.4 air miles southeast of junction of Highway 74 and forest service road 5S15. 781 Comment
  RSA783053  Lessingia glandulifera var. glandulifera J. D. Olmsted 1959-8-18 799 Riverside Reservoir Hill at Desert Sun School near Idyllwild. 1646 Comment
  UC1147903  Lilaea scilloides Robert F. Thorne, P. A. Munz, E. Lathrop 1968-5-8 37595 Riverside Rancho California; Santa Rosa Plateau 609 Comment
  UCR222297  Lilaea scilloides R. F. Thorne, E. W. Lathrop, Steve Beckstrom-Sternberg, B. Martin 1982-1 55205 Riverside Peninsular Ranges; Santa Ana Mountains, SW of Murrieta, Santa Rosa Plateau, Mesa de la Punta near south edge of plateau, approached by De Luz Rd. 579 Comment
  RSA788872  Limosella acaulis Gary D. Wallace 2003-7-8 4053 Riverside Hidden Lake. Comment
  UCR225159  Limosella acaulis Steve Boyd, Gary Wallace 2005-7-30 11647 Riverside Peninsular Ranges; San Jacinto Mountains region, San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2683 Comment
  RSA73683  Linanthus aureus F. W. Peirson 1928-4-23 7887 Riverside 2.5 miles below cottonwood Springs, Riverside County Comment
  CLARK-A1528-3469  Linanthus dianthiflorus John C. Roos 1937-4-18 1371 Riverside Snow Creek Comment
  SBBG64562  Linanthus dianthiflorus M. N. Ackley 1928-3-11 825 Riverside between Banning and Cabazon 609 Comment
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Mar 13 2011
  UC218248  Linanthus dianthiflorus P. A. Munz and I. M. Johnston 1922-5-20 5443 Riverside Hemet Valley San Jacinto Mts. 1386 Comment
  POM364580  Linanthus dianthiflorus subsp. dianthiflorus B. C. Templeton, I. W. Clokey 1930-4-9 1010 Riverside Near Banning 500 Comment
  POM364588  Linanthus dianthiflorus subsp. dianthiflorus Ora M. Clark 1929-4-6 1944 Riverside South of Hemet Comment
  RSA705491  Linanthus jonesii J. Mark Porter, Sarah J. De Groot 2005-3-9 14247 Riverside E. of State Route 62, on paved road between Peirson Blvd. and Indian Ave., N of the Metropolitan Water District Reservoir, Morongo Valley; on both sides of the road. 486 Comment
  RSA709907  Linanthus jonesii Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4612 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  RSA768413  Linanthus jonesii J. Andre, T. La Doux 2009-2-25 10829 Riverside Big Maria Mountains: along the west side of Highway 95 just south of Black Point, approx. 15 miles north of Blythe 94 Comment
  RSA657240  Linanthus maculatus J. Mark Porter, Valerie Soza, Gary D. Wallace 2001-4-2 12339 Riverside Coachella Valley, Desert Hot Springs, S of Big Morongo Wash, along Indian Ave, just S of the jtn. with Pierson Avenue. 396 Comment
  SEINET7073454  Linanthus parviflorus 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
  POM19807  Linum lewisii Mary F. Spencer 1923-8-7 2170 Riverside Saunders Meadow, San Jacinto Mt., Idyllwild. 1738 Comment
  UCR177948  Lithophragma Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 026 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  RSA0018463  Lithophragma affine N. C. Cooper 1949-6-29 4346 Riverside Pine Cove. 1829 Comment
  RSA7581  Lobelia cardinalis subsp. graminea B. D. Stark 1933-11 5554 Riverside Andreas Canyon, desert side of San Jacinto Mountains. Comment
  UCR116962  Loeflingia squarrosa A. C. Sanders, T. B. Salvato 2001-5-3 24107 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UC465549  Loeflingia squarrosa var. squarrosa Fred M. Reed 1907-6-9 1394 Riverside Ba<?> Ranch Riverside (Sec. 30) Comment
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Jul 30 2006
  JOTR31122  Loeseliastrum matthewsii La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 2504 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Sandy, narrow canyon at base of Quail Mountain with bouldery/rocky slopes; North end of Juniper Flats (Stop 3) Comment
  RSA0026114  Loeseliastrum schottii J. Andre, G. L. Clifton, Ron Kelley 2013-3-21 24396 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
  SD245437  Loeseliastrum schottii Sarah De Groot, April Garbat 2013-4-9 7001 Riverside Along Blythe-Rice (=Midland) Road, 1.9 mile south of Rice and Highway 62, near bottom of Rice Valley, east side of Arica Mountains. 231 Comment
  RSA0121170  Logfia arizonica Duncan S. Bell, LeRoy Gross 2016-3-30 9180 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.25 air miles southeast of the summit of Martinez Mountain. 518 Comment
  SD237337  Logfia arizonica Dave Silverman, Onkar Singh 2010-3-25 7843 Riverside UTM in Supplement. NW of Blythe, Palo Verde Mesa, 1.4 km east of Black Creek Rd, 4.9 km west of McCoy Wash, and 8.8 km north of I-10. 150 Comment
  UC1179099  Logfia arizonica Herbert L. Mason 1952-4-7 14208 a Riverside near Palm Springs; Palm Canyon Comment
  UC1922022  Logfia depressa Robert F. Thorne, M. Z. Thorne 1973-3-30 42686 Riverside MORONGO VALLEY CANYON: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, on rocky and sandy outwash of Mission Creek. Comment
  CAS-BOT-BC342258  Logfia filaginoides L. R. Abrams 1926-3-26 11030 Riverside Palm Springs Comment
  UCR90754  Logfia filaginoides Scott D. White 1995-4-5 2738 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  UCR104928  Lomatium lucidum A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20638 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
  POM184737  Lomatium mohavense subsp. longilobum P. A. Munz, C. L. Hitchcock 1932-4-9 12228 Riverside open flats, White Tanks, eastern Riverside. Comment
  SEINET10543637  Lotus David B. Dunn 1946-8-17 Dunn 2699 Riverside Taquitz valley camp ground; stream margin. 2438 Comment
  CSUSB1266  Lotus argophyllus Grace Sprague 1968-5-3 Riverside Whitewater Canyon wash, on drier shelf of wash Comment
  UCR107678  Lotus argophyllus G. F. Pratt 1997-3-8 s.n. Riverside Box Springs Mtns, S-facing slopes near highest peak, right around radio towers. 915 Comment
  RSA567202  Lotus argophyllus var. argophyllus Walter Wisura, W. Steinmetz 1993-5-29 4918 Riverside PCT S of Hwy 74, near Table Mountain road Comment
  UCR110990  Lotus argyraeus var. argyraeus George K. Helmkamp 1998-6-27 4125 Riverside Santa Rosa Mtns., 9 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), in vicinity of Santa Rosa Spring. 2232 Comment
  UC15552  Lotus crassifolius var. crassifolius H. M. Hall 1898-7-1 967 Riverside San Jacinto Mountains 1828 Comment
  RSA525446  Lotus hamatus Steve Boyd 1990-4-29 4491 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  RSA32421  Lotus heermannii N. C. Cooper 1944-5-6 1167 Riverside Whitewater Canyon. 457 Comment
  RSA406173  Lotus heermannii Robert Gustafson 1980-5-5 1561 Riverside Whitewater Canyon Road, 1.8 miles from the junction with Interstate 10. 610 Comment
  RSA60336  Lotus oblongifolius G. R. Campbell 1948-7-4 612 Riverside Azalea Trails Girl Scout Camp, Dark Canyon, north of Idyllwild. 1738 Comment
  UC864854  Lotus oblongifolius var. oblongifolius C. Epling and Wm. Robison 1935-6-30 Riverside between Pine Flat Camp and Fuller's Mill; Mt. San Jacinto Comment
  UCR135983  Lotus purshianus A. C. Sanders, Kerry Knudsen, T. B. Salvato 2004-5-18 27905 Riverside Peninsular Range, Alberhill Mountain, around dried pool in bottom of a large clay pit 445 Comment
  UC80895  Lotus purshianus var. purshianus A. W. Anthony 1895-7-15 Riverside San Jacinto Mountain Comment
  SEINET3558565 Image available Lotus rigidus Lewis S. Rose 1938-12-22 38336 Riverside 15 miles southwest of Cathedral City Palms to Pines Highway, San Jacinto Mountains. 671 Comment
  UC864868  Lotus rigidus S. B. Parish 1917-4-4 Riverside Palm Canyon Colorado desert Comment
  RSA406830  Lotus salsuginosus var. brevivexillus Robert Gustafson 1978-3-22 837 Riverside Joshua Tree Natl. Monument, about 3 miles north of Hwy. 70 on the road that leads to 29 Palms. 610 Comment
  RSA525456  Lotus salsuginosus var. salsuginosus Steve Boyd, Dave Bramlet, Bob Boyd 1990-4-29 4501 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  SEINET2062425 Image available Lotus scoparius Unknownnown 1947-4-20 7634 Riverside Gentry Farm, 3 mi NE of Murrieta 396 Comment
  RSA182340  Lotus scoparius var. brevialatus J. D. Olmsted 1962-5-1 3430 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
  UC217920  Lotus scoparius var. brevialatus P. A. Munz, D. Keck 1922-4-14 4998 Riverside e of Whitewater Ranch; Colorado Desert 243 Comment
  UC729657  Lotus scoparius var. brevialatus Carl B. Wolf 1932-5-25 Riverside just above Fish Hatchery (n base of San Jacinto Mts.); San Jacinto Mts., Snow Creek Canyon 670 Comment
  CDA27331  Lotus strigosus T. C. Fuller 1963-4-23 10274 Riverside Box Canyon Wash, Mecca-Blythe Road (Highway 195), 11.8 miles northeast of Mecca. 0 Comment
  JEPS55855  Lotus strigosus W. L. Jepson 1901-5-20 1314 Riverside Chalk Hill Mt. San Jacinto, Thomas Valley 1341 Comment
  JOTR31941  Lotus strigosus La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2179 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky drainages feeding into southwest Pinkham Wash Comment
  PASA1110  Lotus strigosus 1930-1 Riverside Painted Canyon Comment
  RSA619566  Lotus strigosus D. L. Banks 1997-5-5 2004 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
  RSA653428  Lotus strigosus Scott D. White 1999-5-24 7395 Riverside San Jacinto Valley, San Jacinto River wash: Just N of City of San Jacinto, about 1 mile SE of State St. Bridge. 448 Comment
  RSA709183  Lotus strigosus A. C. Sanders, T. B. Salvato 2005-4-28 29767 Riverside Peninsular Ranges: Gavilan Hills; north of Santa Rosa Rd., 1 mi. SW of Ida Leona Mine. 625 Comment
  UC1129171  Lotus strigosus H. S. Yates 1937-3-23 6404 Riverside 2 mi n Palm Springs; San Jacinto Quad. 213 Comment
  UC15698  Lotus strigosus H. M. Hall May 17 1901-Jun 1 1901 1809 Riverside s side San Jacinto Mt. 1615 Comment
  UC864923  Lotus strigosus Carl B. Wolf 1932-4-27 Riverside 24 mi w Blythe (on Mecca road); Colorado desert, Chuckwalla Valley 121 Comment
  UCR113166  Lotus strigosus A. C. Sanders 1998-3-11 21677 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near high water line of reservoir under construction 518 Comment
  RSA498731  Lotus strigosus var. strigosus Freda Detmers 1933-3-25 17160 Riverside Between Banning and Cabazon. Comment
  RSA554648  Lotus tomentellus A. C. Sanders, E. J. Lawlor 1992-4-4 12089 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  RSA704539  Lotus tomentellus LeRoy Gross 2005-3-3 1583 Riverside Palen Mountains, south side. Near end of old prospect road., [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  RSA278564  Lupinus T. C. Emmel 1961-3-21 s.n. Riverside Chino Canyon Comment
  RSA568836  Lupinus Christopher Davidson 1979-4-4 7678 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  JEPS121502  Lupinus arizonicus Adam C. Schneider with Will Freyman 2014-2-16 408 Riverside East side of Highway 177. Comment
  RSA704589  Lupinus arizonicus LeRoy Gross 2005-3-3 1588 Riverside Palen Mountains, south side. Near end of old prospect road., [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  UC1922391  Lupinus arizonicus Naomi Fraga, Lisa Rojas 2005-2-10 1371 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCR148318  Lupinus arizonicus John F. Green 2005-1-12 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  UCSB3266  Lupinus arizonicus Wilson, Richard 1958-3-22 Riverside 7 miles East of Desert Center, on U.S. Highway 60-70 Comment
  UC1922387  Lupinus arizonicus Michael Honer with L. Hulse 2004-4-2 1880 Riverside Colorado Desert; Little San Bernardino Mountains Region: East Wide Canyon near MWD aqueduct approx. 2 mi N of Dillon Road. Comment
  SEINET6180880  Lupinus arizonicus subsp. arizonicus Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-21 6423 Riverside Big Maria Mountains, 12 airline miles north of downtown Blythe.; 0 290 Comment
  UCR25044  Lupinus bicolor A. C. Sanders 1980-7-18 1684 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley, near the junction of Thomas Mountain Road and Hwy 74, c. 1 mi SE of the head of Hemet Lake 1345 Comment
  RSA501043  Lupinus bicolor subsp. microphyllus Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3164 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  HSC85275  Lupinus concinnus Steve Boyd 1986-4-22 1782 Riverside Gavilan Hills: Summit of Estelle Mtn. Comment
  UCR97493  Lupinus concinnus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19883 Riverside Peninsular Range, Lake Skinner area; lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 Comment
  RSA407142  Lupinus concinnus subsp. optatus N. C. Cooper 1944-6-17 1434 Riverside San Jacinto Mountains: above Banning. 1372 Comment
  POM125537  Lupinus excubitus var. austromontanus R. Weatherby 1949-6-6 663 Riverside Santa Rosa Mountain. 1982 Comment
  RSA519402  Lupinus formosus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  UC130313  Lupinus formosus H. M. Hall 1899-5-21 1371 Riverside s slope Chalk Hill (foot of Chalk Hill); San Jacinto Mountains, , s slope 1676 Comment
  UCR25045  Lupinus formosus var. hyacinthinus A. C. Sanders 1980-7-18 1633 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  LA31764  Lupinus longifolius Mary V. Hood; 1944-4-7 44- 9 k* Riverside Agaunga 587 Comment
  RSA560409  Lupinus longifolius Steve D. Boyd 1992-4-15 6881 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  JEPS64939  Lupinus sparsiflorus W. L. Jepson 1914-5-17 5981 Riverside N of Indio (Lookout Mt.); Colorado Desert Comment
  JOTR30921  Lupinus sparsiflorus La Doux, Tasha, Bill Truesdell 2008-4-29 2596 Riverside Joshua Tree National Park. Little San Bernardino mountains, north end of Quail Mountain; Steep rocky slopes above side canyon, south of Johnny Lang Canyon (Stop 8) 1219 Comment
  RSA414837  Lupinus sparsiflorus Freda Detmers 1933-3-25 17156 Riverside Between Banning and Cabazon. Comment
  SBBG98278  Lupinus sparsiflorus E. K. Balls 1949-4-2 12895 Riverside Hwy 111 between Mecca and Mortmar -60 Comment
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Jun 24 2012
  UC1178511  Lupinus sparsiflorus Peter Kamb 1948-4-11 904 Riverside Whitewater wash near Whitewater (Coachella Valley); Coachella Valley 457 Comment
  UC1537124  Lupinus sparsiflorus Gordon H. True Jr. 1935-4-1 194 Riverside Box Springs 426 Comment
  SEINET10837784  Lupinus succulentus var. succulentus August J. Breitung 1953-4-19 Breitung 14768 Riverside In grain field 10 mi e of beaumont. Flowers purple, upper lip with white Blotch in center. Keel ciliate near claws both above and below. Comment
  RSA414403  Lupinus truncatus N. C. Cooper 1944-4-23 1095 Riverside Banning. 701 Comment
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Mar 13 2011
  RSA771655  Lupinus truncatus Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4913 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 823 Comment
  RSA772530  Lupinus truncatus Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4441 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  SD187409  Lupinus truncatus Scott D. White, Angelia Carey 2004-4-16 10193 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes 548 Comment
  UCR103780  Lycium barbarum Scott D. White 1994-10-21 2506 Riverside Temecula Valley, Murrieta Creek channel downstream from Santa Gertrudis Creek confluence. south of bridge at Winchester; north of Long Valley Rd. 305 Comment
  UC884602  Lycium cooperi I. W. Clokey 1935-4-17 6880 Riverside Cottonwood Springs Comment
  RSA428586  Lycium fremontii Martha Hilend 1928-4-24 135 Riverside Pointed Canyon, Colorado Desert. Comment
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Feb 9 2013
  UC56518  Lythrum californicum E. E. Schellenger July, 1901 Riverside Thompsons Springs Comment
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Mar 22 2014
  SDSU21789  Lythrum hyssopifolia Michael G. Simpson, Laura Benedict, Zack Principe, Lee Ripma, Nuri Benet-Pierce, Andy Siekkinen 2016-5-7 3989 Riverside Santa Rosa Plateau Ecological Reserve. Across street from vernal pool trail, ca. 4 miles north on road from Visitor's Center. 636 Comment
  RSA776348  Machaeranthera pinnatifida subsp. gooddingii Duncan S. Bell 2010-3-20 620 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  RSA463262  Mahonia nevinii L. F. LaPre, K. Campbell 1988-1-22 s.n. Riverside Tonan property, along Temecula Creek on old Vail Ranch, E of Temecula. Comment
  RSA524471  Mahonia nevinii Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4074 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
  SDSU7510  Malacothamnus fasciculatus Thomas A. Zink 1971-7-1 Riverside Near Redlands Blvd. about 1 mile south of San Timeteo cyn. Rd. 518 Comment
  CAS-BOT-BC345286  Malacothrix californica Marian L. Campbell 1921-3-19 17 Riverside Palm Springs Comment
  HSC49179  Malacothrix glabrata D. L. Goforth 1979-4-11 104 Riverside 1 km N of junction of Hwy. 10 and S entrance road to Joshua Tree National Monument 518 Comment
  SD187357  Malacothrix glabrata Naomi Fraga, Sarah J. De Groot, et al. 2005-2-10 1425 Riverside Northeastern Colorado Desert region: Along Palen Road near Highway 177. 170 Comment
  SEINET2053778 Image available Malacothrix glabrata Norman C. Cooper 1949-4-9 3260 Riverside Mecca Pass east of Indio. 548 Comment
  SEINET269556  Malacothrix saxatilis var. tenuifolia Scott D. White 1996-5-27 4069 Riverside 'Badlands' Jackrabbit Canyon east of Moreno Valley and south of Calimesa between state highway 60 and Gilman Spring R 518 Comment
  UCR183018  Malephora crocea Mitch Provance 2003-5-5 4425 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  CAS-BOT-BC376154  Malva parviflora L. Nye; G. Gust 2005-3-11 63 Riverside Lake Elsinore. Intersection of Malaga and Mission Trail Rd. 398 Comment
  RSA575924  Malvella leprosa Steve Boyd, D. L. Banks 1994-9-29 8364 Riverside Lake Elsinore, floodplain E of dike along San Jacinto River, W of Sedco Hills community. 381 Comment
  SEINET3133431  Malvella leprosa M. A. King sn Riverside Menifee Comment
  UCR182522  Malvella leprosa Mitch Provance 2005-5-17 6561 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  RSA552761  Marah macrocarpa Steve Boyd 1992-3-31 6747 Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 670 Comment
  UCR188788  Marah macrocarpa Jim Andre 2006-4-26 7795 Riverside South Mojave Desert, Joshua Tree National Park, upper Long Canyon, canyon bottom 1056 Comment
  UCR215516  Marah macrocarpa Daphne K. Christopher, Hannah I. Stevens 2003-4-4 092 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve, off Sage Road 530 Comment
  UCR91375  Marah macrocarpa Scott D. White 1995-4-5 2713 Riverside Moreno Valley, Base of slope in 'Badlands', off [Moreno-Redlands] Blvd 640 Comment
  RSA777855  Marina parryi Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 840 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
  UCR174521  Marrubium vulgare A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32493 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
  UCR22046  Marrubium vulgare Steve Boyd 1980-5-11 238 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  UCR268067  Marsilea vestita D. E. Bramlet 2005-4-22 3829 Riverside Perris-Aguanga Basin Region, 1.8 km SE of Winchester, south of Patton Ave. and Patterson Ave. intersection, east of Hwy 79 449 Comment
  UCR72820  Marsilea vestita D. E. Bramlet 1991-6-20 2198 Riverside Perris-Aguanga Basin region, San Jacinto Valley, San Jacinto Wildlife Area: c. 670 m east of Davis Rd & 60 m north of the San Jacinto River levee 475 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
  CAS-BOT-BC422726  Meconella denticulata Baer 1922-9-1 s.n. Riverside Elsinore Comment
  RSA134672  Meconella denticulata C. Epling 1937-5-7 s.n. Riverside Idylwild Road. Comment
  POM2405  Medicago lupulina D. L. Crawford, I. M. Johnston 1917-6-9 1234 Riverside Santa Ana River near Corona Comment
  POM348038  Medicago polymorpha N. C. Cooper 1944-4-22 1129 Riverside Banning. 732 Comment
  OBI37483  Medicago sativa Steve Boyd 1985-7-23 1007 Riverside De Luz Rd, 5.5 mi W of Rancho Calif 396 Comment
  CLARK-A1528-4723  Melica frutescens John C. Roos 1942-5-1 1157 Riverside Dry Morongo Canyon 548 Comment
  CAS-BOT-BC281598  Melica imperfecta H. M. Hall 1899-5-21 1134 a Riverside San Jacinto Mts 1676 Comment
  JOTR34160  Melica imperfecta Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 117 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Wide sandy canyon wash (Stop 1) 1149 Comment
  LA12137  Melica imperfecta F. M. Reed; 1904-6-16 1410 Riverside arroyo tahquitz [?] Comment
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Jan 18 2014
  RSA403495  Melica imperfecta Ora M. Clark 1929-3-16 1700 Riverside San Jacinto Mountains Comment
  UCR139031  Melica imperfecta D. L. Banks 1997-3-29 1635 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Headwaters of Pala Creek at the S extremity of the Reservation, north of the Riverside/San Diego Co. line, west of the intersection of Magee Truck Trail and Moreno Rd including a large area of vernally wet grassland at the extreme SW corner of the Reservation 409 Comment
  UCR2546  Melica imperfecta F. M. Reed 1908-3-29 2298 Riverside W slope of Box Springs Mtns 518 Comment
  UC1537076  Melilotus indicus Gordon H. True Jr. 1935-4-11 230 Riverside Gavilan Hills 609 Comment
  UCR104900  Melilotus indicus A. C. Sanders 1997-3-19 20032 Riverside Lake Skinner area, S foot of Bachelor Mtn., across the northern arm of the lake from the boat ramp, from dirt track down to lakeshore 457 Comment
  UCR156290  Melilotus indicus T. B. Salvato, Kent Beaman 2005-5-16 834 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
  UCR263246  Mentzelia A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41469 Riverside San Gorgonio Pass, near San Gorgonio River wash, c. 2.88 miles ESE of Cabazon, c. 1 mi. NNW (338 deg. ) of One Horse Spring, south of I-10 and east of water bottling plant, edge of wind farm 454 Comment
  POM295596  Mentzelia involucrata Lyman Benson 1945-3-29 11637 Riverside Canyon on Palm Spring Rd. Little San Bernardino Mt 610 Comment
  RSA124076  Mentzelia involucrata Percy C. Everett, E. K. Balls 1958-4-29 23009 Riverside Hwy 60/70, Indio to Blythe, 6.5 miles E from Jct with Hwy 9. 244 Comment
  RSA758329  Mentzelia involucrata Doug Goldman 2005-3-3 3035 Riverside Box Canyon, along the west side of Box Canyon Road, around 10 miles southwest of the intersection with Interstate 10 and around 0.7 miles southeast of Blake Hill 268 Comment
  SBBG99189  Mentzelia involucrata W. L. Halvorson 1977-3-8 77 -94 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  UCR103294  Mentzelia involucrata George K. Helmkamp 1998-4-4 3179 Riverside Sonoran (Colorado) Desert, 2.3 mi. north of Hwy I-10 on Eagle Mtn Rd. 274 Comment
  UC335512  Mentzelia involucrata John Gill Lemmon Riverside Colorado Desert Comment
  POM98705  Mentzelia involucrata var. megalantha P. A. Munz 1926-1-31 9951 Riverside Dos Palmos [Palmas] Spring. Comment
  RSA480016  Mentzelia involucrata var. megalantha Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Tim S. Ross 1988-3-10 2139 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  SEINET7048064  Mentzelia involucrata var. megalantha Steven R. Hill 2001-4-29 33541 Riverside Whitewater Canyon, east side of canyon, east of Whitewater Canyon Road, about 2 miles north of Route I-10. Elevation about 1800 feet. Comment
  RSA652295  Mentzelia laevicaulis Ted States 1949-3-25 s.n. Riverside Collected 15 miles east of Indio on Hwy 60, 1/2 mile off road. 457 Comment
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Sep 6 2008
  SBBG69337  Mentzelia longiloba S. W. Hutchinson 1928-3-24 511 Riverside near Blythe Comment
  SD225013  Mentzelia obscura G. K. Helmkamp 1998-4-4 3145 Riverside Southern Mojave Desert: junction of CA hwy 62 (Twentynine Palms hwy) & CA hwy 177 (Desert Center-Rice Rd.) 456 Comment
  UCR140297  Microseris douglasii subsp. douglasii A. C. Sanders 2004-4-9 27472 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, vicinity of Rose Rd. 457 Comment
  RSA524438  Microseris heterocarpa Steve Boyd, Timothy S. Ross, Laurel Arnseth, Jaime Bonilla 1990-4-3 4054 Riverside Vail Lake area, summit of Big Oak Mountain at E end 793 Comment
  UCR104920  Microseris lindleyi A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20652 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
  UCR20736  Microseris lindleyi A. C. Sanders, Steve Boyd 1980-5-2 1401 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR97278A  Microseris lindleyi Scott D. White 1993-3-12 1171 A Riverside Near Winchester 466 Comment
  UCR280951  Mimulus aurantiacus Mitch Provance, Matt K. Beyers, John Hazlett, Jeremiah George 2017-4-6 417- 66 Riverside Temescal Valley, Indian Wash, SW of I-15, S side of De Palma Rd., 700-1100 ft. WNW of inter. with Glen Eden Rd. 366 Comment
  JEPS87289  Mimulus aurantiacus var. pubescens David M. Thompson 1992-5-19 1071 Riverside 14 rd mi s Joshua Tree town (Hidden Valley Campground above campsite #5); Joshua Tree National Monument 1300 Comment
  POM256714  Mimulus aurantiacus var. pubescens W. Pequegnat 1940-6-19 s.n. Riverside Pleasants Pk. (Sugarloaf Pk.) 1220 Comment
  UCR1657  Mimulus aurantiacus var. pubescens Leland R. Dykes 1962-5-1 61 Riverside Santa Ana Mtns, San Mateo Canyon Road, c. 10.5 mi west of Palomar Road, Murrieta Comment
  UCR91463  Mimulus aurantiacus var. pubescens Scott D. White 1995-3-30 2668 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  HSC35462  Mimulus aurantiacus var. puniceus J. D. Ackerman, A. M. Montalvo 1975-6-26 524 Riverside Hwy. 74 between San Juan Capistrano and Lake Elsinor, above SanJuan Campground, Cleveland National Forest 610 Comment
  POM8477  Mimulus aurantiacus var. puniceus I. M. Johnston 1920-5-8 2286 Riverside Butte west of Lakeview. 610 Comment
  UCR235220  Mimulus aurantiacus var. puniceus A. C. Sanders, John F. Green 2012-6-1 40239 Riverside Peninsular Range; Perris-Aguanga Basin Region, powerline route south of Ethanac Rd. and north of McPherson Rd., near south end of Richland Ln., E of Hwy 74, c. 6.1 km SW (219 deg. ) of Perris 495 Comment
  UCR251705  Mimulus aurantiacus var. puniceus T. B. Salvato, Mike Landers 2013-3-21 7412 Riverside Perris-Aguanga Basin, Murrieta, at the northwest corner of the intersection of Baxter Road and Menifee Road 453 Comment
  UCR91220  Mimulus aurantiacus var. puniceus Scott D. White 1996-3-31 3855 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 463 Comment
  JEPS8167  Mimulus bigelovii var. bigelovii W. L. Jepson 1928-4-23 12559 Riverside wash 2 mi below Cottonwood Spr.; Colorado Desert, Eagle Mts. 518 Comment
  CLARK-A1045-336  Mimulus brevipes George K. Helmkamp 1978-5-2 Riverside Bautista Canyon burn; Bautista Road; Hemet 15'Q Comment
  UCR133674  Mimulus brevipes John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR162274  Mimulus brevipes S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1220 Comment
  UCR205444  Mimulus diffusus Jeff B. Galvin, Diane Menuz 2008-4-4 002 Riverside Peninsular Ranges- Palomar Mtns, Agua Tibia, c. 50 m up Woodchuck Rd., beyond National Forest boundary 653 Comment
  RSA0048276  Mimulus fremontii Lee Haines 1935-6-30 s.n. Riverside Poppets Valley. Comment
  RSA0014937  Mimulus fremontii var. fremontii LeRoy Gross, Evan Meyer 2013-5-21 6122 Riverside West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley., Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near [coordinates given.] 1631 Comment
  UCR174076  Mimulus guttatus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32590 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UCR193119  Mimulus guttatus A. C. Sanders, Tim Thomas 2008-6-20 35551 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  RSA80472  Mimulus latidens F. W. Peirson 1922-5-19 3043 Riverside Menifee Valley (South of Perris) 427 Comment
  JEPS79795  Mimulus parishii Marjorie D. Clary 1932-6-5 1634 Riverside Eagle Canyon, w side of Colorado Desert Eagle Canyon; Colorado Desert 182 Comment
  UCR167934  Mimulus pilosus T. B. Salvato, Melissa Clemons 2005-6-23 1324 Riverside Peninsular Range; Temescal Valley, 3 miles NW of Alberhill, Temescal Canyon Road at Corona [Lee] Lake 366 Comment
  UCR72435  Mimulus pilosus Steve Morgan, H. M. Soldan 1992-5-25 92 3 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
  UCR138825  Mirabilis californica D. L. Banks 1997-2-23 1306 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation, north of Pechanga Rd. and south of Anza Rd., just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire 460 Comment
  SD237523  Mirabilis laevis A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37468 Riverside Sonoran (Colorado) Desert: SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak. 203 Comment
  SFV11872  Mirabilis laevis R. H. Swade 1963-12-7 s. n. Riverside Colorado Desert Open desert west of Snow Creek Road, about 3 miles south of Interstate 10 intersection with California State Highway 111. 366 Comment
  UCR225597  Mirabilis laevis A. C. Sanders, T. B. Salvato 2011-3-29 38879 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor between Byers St. at west end of McLaughlin Rd. and Wheat St. 447 Comment
  UCR226069  Mirabilis laevis A. C. Sanders, T. B. Salvato 2011-4-1 38963 Riverside Peninsular Range, Lake Elsinore, hill 90 m NE of intersection of Baker St. and Bunker St., 0.35 km NW of Hwy 74 395 Comment
  UCD98155  Mirabilis laevis var. crassifolia T. B. Salvato; Kent Beaman 2005-5-16 884 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
  JEPS61338  Mirabilis laevis var. retrorsa E. E. Schellenger May 1920 Riverside Canyon E of Coachella, Colorado Desert Comment
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Jun 18 2011
  SEINET7048056  Mirabilis laevis var. retrorsa Steven R. Hill 2001-4-29 33533 Riverside Whitewater Canyon, east side of canyon, east of Whitewater Canyon Road, about 2 miles north of Route I-10. Elevation about 1800 feet. Comment
  RSA19185  Mirabilis multiflora var. pubescens R. S. Woglum 1937-4-24 296 Riverside San Jacinto Mountains, on Palms to Pines Road, about 2 mi above junction with Palm Springs Highway Comment
  JOTR37507  Mohavea confertiflora Hodges, Stephen R. 2016-3-1 633 Riverside Joshua Tree National Park. Northern edge of the Eagle Mountains where they border the Pinto Basin. Approximately 3 kilometers west of Pinto Wells. Ascending up towards the ridge line on loose unconsolidated sand ramps Comment
  RSA726522  Mohavea confertiflora Naomi S. Fraga, Lisa Rojas 2005-2-10 1399 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  RSA0105934  Mohavea confertiflora Alan Romspert 2001-4-13 s.n. Riverside Frontage Road E. of Cactus City rest Area, I-10. Comment
  CAS-BOT-BC226237  Monardella A. C. Sanders; Mark Elvin 2001-8-17 24595 Riverside Mojave Desert, Little San Bernardino Mtns: trail from Key's [Keys] View to Inspiration Point, Joshua Tree National Park 1646 Comment
  UC1995304  Monardella C. Epling, Wm. Robison 1933-6-26 Riverside Key's View Little San Bernardino Mountains 1524 Comment
  UCD125041  Monardella australis Mitch Provance; Steve Boyd, Lauren Raz 1998-8-13 998 Riverside Desert Slopes of the San Bernardino Mountains: ca 1.5 miles east of Cushenberry Springs. 1402 Comment
  UC25504  Monardella australis subsp. australis H. M. Hall July, 1901 2486 Riverside Tamarack Valley San Jacinto Mountains 2804 Comment
  UCR146128  Monardella australis subsp. australis Michael Denslow, Firoozeh Navid-Ara, Valerie Soza 2003-7-15 1449 Riverside Peninsular Ranges; San Jacinto Mtns, northeast side of Tahquitz Peak, on trail to Saddle Junction 2637 Comment
  CAS-BOT-BC220028  Monardella breweri subsp. lanceolata Winifern W. Swarth 1914-9-10 s.n. Riverside Strawberry Valley, San Jacinto Mts. 1828 Comment
  UCR143095  Monardella breweri subsp. lanceolata Carl Epling 1932-6-26 s.n. Riverside San Bernardino Valley region, Jurupa Hills 610 Comment
  RSA0005451  Monardella hypoleuca subsp. intermedia D. L. Banks 1997-3-29 1648 A Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. An area of native grassland along the Magee Truck Trail at the southern extremity of the Reservation just before the Riverside / San Diego County line border. 463 Comment
  RSA518903  Monardella lanceolata B. Pitzer 1988-7-1 1483 Riverside Dripping Springs Area: S of Vail Lake, N of Hwy 79, between Kolb & Arroyo Seco Creeks. 488 Comment
  RSA401570A  Monardella lanceolata var. lanceolata G. R. Johnstone 1928-9-3 s.n. Riverside Mt Tahquitz Trail. 2287 Comment
  LA96075  Monardella nana Elizabeth McClintock; 1940-6-30 20 Riverside near Marion Camp, on the Banning-Idyllwild rd Comment
  UC2036000  Monardella nana C. Epling, L. Haines 1937-5-7 Riverside Pinyon Flats Palms to Pines Highway Comment
  RSA0014347  Monardella nana Elizabeth McClintock 1941-6-8 58 Riverside Road up Santa Rosa Mt. 0.6 miles above Pines to Palms Highway. Comment
  RSA750275  Monardella nana subsp. arida Elizabeth McClintock, H. Lewis 1941-6-29 75 Riverside Santa Rosa Mt. 4.5 miles above Pines to Palms Hwy, in canyon where stream crosses road. Comment
  UCR113751  Monardella nana subsp. arida William LaHaye 1999-1 s.n. Riverside Santa Rosa Mtns, Near Santa Rosa Peak Comment
  UCR114631  Monardella nana subsp. arida G. R. Ballmer, Kay Stockwell 1995-6-25 s.n. Riverside San Jacinto Mtns, Pacific Crest Trail, near Pyramid Peak [c. 3 km (airline) SSE of Palm View Pk.--A. C. Sanders] 2134 Comment
  UC1499803  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-12 107 Riverside trail to Deer Springs (a short distance below first spring which crosses trail); San Jacinto Mts. Comment
  UC1499942  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-9 87 Riverside about 3 mi from Fern Valley (San Jacinto Mt. Trail to Suicide Rock) Comment
  UC1499952  Monardella nana subsp. tenuiflora E. and M. McClintock, D. Weiner 1941-7-11 97 Riverside Fuller Mill Creek Banning-Idyllwild road Comment
  UCR221472  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-18 122 Riverside Peninsular Range; San Jacinto Mtns., trail to Hidden Lake, about one mile beyond [Skunk Cabbage Meadow] the cienega 2439 Comment
  RSA176926  Monardella robisonii Peter H. Raven, David S. Verity 1960-6-5 15495 Riverside Salton View, Joshua Tree National Monument. Comment
  JOTR37434  Monoptilon bellioides Hodges, Stephen R., T. Hender 2015-12-30 556 Riverside Joshua Tree National Park. Pinto Basin, Black Eagle Mine Road (Stop 1) Comment
  SEINET270923  Monoptilon bellioides Richard J. Shaw 1958-4-6 1100 Riverside Joshua Tree National Monument ; Road between White Tank Campground and South Entrance. 610 Comment
  UCR163925  Monoptilon bellioides A. C. Sanders, P. J. MacKay, Tim Thomas 2005-2-26 29144 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  SEINET2153726  Montia perfoliata W. H. Whaley 2002-1 s.n. Riverside along Idyllwild road, at mile marker 21, recent burn site, ca 3/4 mile SE of Mt. Oak Boys Ranch. Comment
  CAS-BOT-BC267022  Muhlenbergia filiformis H. M. Hall 1901-6-1 2290 Riverside San Jacinto Mountains. Vicinity of Strawberry Valley 1615 Comment
  UCR138613  Muhlenbergia filiformis L. C. Wheeler 1961-6-24 7908 Riverside San Jacinto Mountains, Fulmor Lake Comment
  POM14366  Muhlenbergia microsperma P. A. Munz, D. Keck 1922-4-9 4749 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  RSA0104694  Muhlenbergia microsperma Duncan S. Bell, Sarah DeGroot, Cheryl Sevilla 2015-3-5 7762 Riverside Chuckwalla Mountains; a side canyon off of Irish Wash, approximately 1.5 air miles southwest of Aztec Well. 696 Comment
  CAS-BOT-BC274912  Muhlenbergia rigens Peter H. Raven; Sidney R. Snow 1956-6-30 9536 Riverside Dripping Springs Guard Station, Temecula River Comment
  UCR168440  Muhlenbergia rigens I. W. Clokey, E. G. Anderson 1935-8-21 6524 Riverside San Jacinto Mtns., Fuller's Creek 1585 Comment
  UCR2568  Muhlenbergia rigens F. M. Reed 1906-6-10 996 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside, upper south fork of Arroyo Tequesquite 442 Comment
  RSA180312  Muilla maritima E. W. Lathrop 1965-4-18 5660 Riverside 10 miles west of Murrieta. Comment
  SD217159  Myriopteris covillei Steve Boyd, Tim Ross & Laurel Arnseth 1990-3-30 3968 Riverside Vail Lake area, westerly draining canyon at north base of Big Oak Mountain 640 Comment
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Apr 17 2020
  UC1971485  Myriopteris newberryi Scott D. White 1999-5-28 7435 Riverside Ca. 3 air miles SE of jtn. Cajalco Rd. / Gavilan Rd.: East of Juniper Rd. between Blue Sky Drive and Celestial Dr. Comment
  SD9581  Myriopteris viscida S. B. Parish, W. F. Parish Mar 1881 Riverside Whitewater, desert side of San Bernardino Mountains Comment
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Jan 14 2010
  RSA357786  Nama demissa Robert F. Thorne, M. Z. Thorne 1973-3-30 42678 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  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
  UCD87803  Nassella lepida A. A. Beetle 1944-4-27 3005 Riverside West of Murietta. Comment
  RSA484139  Nassella pulchra Christopher Davidson 1977-5-25 5649 Riverside Mesa de Burro, Santa Rosa Plateau area of Santa Ana Mountains. Southern California 701 Comment
  UCR121209  Navarretia atractyloides D. E. Bramlet 1990-4-27 1994 Riverside Peninsular Range; Perris-Aguanga basin region, ridgeline south of Diamond Valley, NW of Crown Valley, 600 ft. west of access road 665 Comment
  SBBG54315  Navarretia intertexta C. Davidson 1977-5-25 5651 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
  POM122137  Nemacaulis denudata var. gracilis Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA124981  Nemacladus glanduliferus P. H. Raven 1958-5-5 12905 Riverside Joshua Tree National Monument, Salton View 1585 Comment
  RSA0124379  Nemacladus orientalis Duncan S. Bell, LeRoy Gross 2016-3-31 9193 B Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 6 air miles southeast of the summit of Martinez Mountain. 492 Comment
  POM11654  Nemacladus ramosissimus P. A. Munz 1922-5-21 5503 Riverside Kenworthy, San Jacinto Mountains 1402 Comment
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Mar 25 2011
  RSA586852  Nemacladus ramosissimus D. L. Banks, S. D. Boyd 1995-5-3 0271 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  UCR108838  Nemacladus ramosissimus Heidi A. Haid 1968-3 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR181098  Nemacladus ramosissimus A. C. Sanders 1998-6-10 21980 Riverside San Jacinto Mtns., FS road 6S13 toward Thomas Mtn., 1.3 mi. above Hwy 74 in Garner Valley at a point 3.1 mi. east of Keen Camp Summit, c. 1 mile due south of Lake Hemet 1463 Comment
  SEINET10461076  Nemacladus ramosissimus Rimo Bacigalupi, Guy T. Robbins 1954-5-16 Bacigalupi 4464 Riverside St. John's Grade, State Highway 79, 11 miles south of Hemet, at junction of road to Red Mountain 792 Comment
  SEINET10461110 Image available Nemacladus rubescens Harvey M. Hall 1905-4-17 Hall 5819 Riverside Indio Mountain; type of Nemacladus adenophorus Parish 150 Comment
  SEINET10461125  Nemacladus rubescens Munz 1952-5-2 MUNZ 16249 Riverside 2 miles west of Desert Hot Springs 183 Comment
  RSA75155  Nemacladus tenuis H. K. Wagnon 1944-3-26 362 Riverside Cathedral Canyon, Cathedral City. Comment
  JEPS1915  Nemophila menziesii W. L. Jepson May 17 1901-June 1, 1901 1310 Riverside Strawberry Valley Mt. San Jacinto, Strawberry Valley Comment
  UC24227  Nemophila menziesii Mrs. Gregory 1890-1 Riverside San Jacinto Comment
  UCR263735  Nemophila menziesii Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5004 Riverside San Jacinto Mountains, Strawberry Creek below Strawberry Valley, c. 2.25 air mi southwest of Idyllwild 1540 Comment
  UCR91222  Nemophila menziesii Scott D. White 1996-3-31 3862 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 463 Comment
  SDSU18390  Nemophila menziesii var. menziesii C. Matt Guilliams 2008-2-21 465 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
  SEINET7063415  Nemophila menziesii var. menziesii A. G. Vestal 1947-3-29 s.n. Riverside About 6.2 miles east of Lake Elsinore on Newport Road. UTM Zone 11, 481169mE, 3727240mN. (WGS84/NAD83). 434 Comment
  UCR135994  Nemophila menziesii var. menziesii Virginia Moran 2003-3-26 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and west of Wilson Creek 915 Comment
  CSUSB769  Nicotiana bigelovii Charles Herrick 1974-5-11 Riverside 1/4 mile southeast of Calimesa turnoff of freeway 10. 716 Comment
  JOTR37484  Nicotiana obtusifolia Heintz, James, A. Ingersoll 2015-10-29 s.n. Riverside Joshua Tree National Park. Cottonwood Mountains, tributary to Cottonwood Canyon, near Wood Spring Comment
  UC495142  Nicotiana obtusifolia Philip A. Munz 1932-3-14 12010 Riverside Magnesia Spring Canyon; Coachella Valley 91 Comment
  UCD126756  Nicotiana obtusifolia Collector Unknown 1928-7-30 s.n. Riverside farm of McHall, Cottonwood. Comment
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Feb 9 2013
  UCR281921  Nicotiana obtusifolia A. C. Sanders, Jim Malusa 2017-9-21 43348 Riverside Sonoran (Colorado) Desert, northern boundary of Chocolate Mountains Aerial Gunnery Range along south side of Bradshaw Trail at large wash crossing 680 Comment
  UCR20781  Nicotiana quadrivalvis A. C. Sanders, Steve Boyd 1980-5-2 1387 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UC3806  Nolina parryi H. M. Hall 1901-6-18 Riverside near Van Deventer's (e base of mountains near borders of Colorado Desert); San Jacinto Mountains Comment
  UCR194540  Nolina parryi A. C. Sanders 2008-7-25 35914 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, along Bonita Vista Rd. at foot of hills 1580 Comment
  CAS-BOT-BC71166  Notholaena californica Eliz. Parsons Hawver 1917-4-1 s.n. Riverside Palm Springs Comment
  UC2030242  Notholaena californica Beck with M. D. Windham, C. J. Rothfels, A. Grusz, K. Pryer, E. Schuettpelz 2008-5-15 1093 Riverside Outskirts of Palm Springs just W of Palm Canyon Drive Comment
  POM122903  Notholaena californica subsp. californica Marcus E. Jones 1925-1-24 s.n. Riverside Andreas Canon Comment
  UC1518875  Notholaena californica subsp. californica Fosberg, Sachet, & Herbst 1983-4-23 55467 Riverside 3.3 mi N in side canyon on W side of Whitewater Canyon Whitewater Postoffice; San Bernardino Mtns, Whitewater Canyon 594 Comment
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Feb 13 2013
  CAS-BOT-BC171492  Oenothera californica Richard Snow 1957-4-1 318 Riverside Sandy field 11 miles west of Riverside on Highway 60 Comment
  UCR134599  Oenothera deltoides Marisa Sripracha, Kyle Boyd 2004-2-14 015 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 Comment
  RSA144622  Oenothera primiveris subsp. bufonis William M. Klein, David P. Gregory 1958-2-14 146 Riverside Along U.S. hwy 60-70 on Palo Verde Mesa, west of Blythe. Comment
  SDSU13604  Olea europaea W. Miller, C. Mosse 1972-7-20 Riverside Along northern road, southwest of Shwanigan Ranch. Comment
  RSA335031  Olea europaea Steve Boyd 1985-7-23 1004 Riverside De Luz Rd., 5.5 miles west of Rancho California. 396 Comment
  SBBG87842  Oligomeris linifolia A. C. Sanders, B. Pitzer, D. Charlton 1986-3-3 6114 Riverside Corn Spring, Chuckalla Mtns, wash below the spring; T6S, R16E, S28 487 Comment
  UC634680  Oligomeris linifolia Margaret Stason 1927-2-12 Riverside Thousand Palms Canyon; Colorado Desert, Thousand Palms Canyon Comment
  RSA698037  Olneya tesota J. R. Bruff 1928-12-29 403 Riverside Lone Cottonwood Ranch 2 mi. SE of Dos Palms. Comment
  UC774558  Olneya tesota Carl B. Wolf 1940-7-16 Riverside 10 mi e Desert Center (on road to Rice); Colorado Desert 243 Comment
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Sep 24 2011
  SEINET848397  Opuntia X occidentalis C. B. Wolf, P. C. Everett 1938-1 3355 Riverside 9 miles fsrom Temecula on raod to Aguanga; fork of Temecula Wash Comment
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Aug 11 2013
  UCD170242  Opuntia chlorotica K. M. Meyer; A. Townesmith 2007-3-19 22 Riverside San Bernardino National Forest. San Jacinto Ranger District, Sawmill Trailhead, about 0.3 mi. along Pinon Flats Transfer Station Rd., off of Route 74. 1232 Comment
  POM306430  Opuntia polyacantha var. erinacea Scott Haselton 1962-12-28 s.n. Riverside San Jacinto Mountains. Palms to Pines Highway; east side. 1220 Comment
  RSA92370  Orcuttia californica F. W. Peirson 1922-5-19 3020 Riverside In Menifee Valley, 10 miles northeast of Murrieta 427 Comment
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Apr 3 2011
  JEPS121582  Orobanche cooperi Adam C. Schneider with Will Freyman 2014-2-15 415 Riverside West side of Highway 177. Comment
  RSA516889  Orobanche cooperi Steve Boyd, Orlando Mistretta 1986-3-13 1402 Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd and 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  POM353434  Oxalis albicans subsp. pilosa Carl B. Wolf 1932-3-20 21 Riverside Richman Ranch, 2.5 miles no. of De Luz; S.W. Riverside County. 457 Comment
  POM353442  Oxalis corniculata Katharine Beers 1929-1 s.n. Riverside Murietta Hot Springs. Comment
  UCR139142  Oxytheca trilobata John F. Green 2003-6-11 s.n. Riverside San Jacinto Mtns., Juan Diego Flat, NW of Cahuilla Mountain 1220 Comment
  UCR35081  Oxytheca trilobata L. B. Ziegler 1964-7-26 06 Riverside San Jacinto Mtns., Upper Herkey Creek on road to May Valley 1585 Comment
  UCR138812  Paeonia californica D. L. Banks, J. Moreno 1997-2-5 1260 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north of the Riverside/San Diego County line border, including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation 409 Comment
  RSA653713  Palafoxia arida Scott D. White 2000-3-23 7634 Riverside Coachella Valley, Thousand Palms area: N terminus of Rio del Sol Road at intersection with Vista Chino. Proposed aggregate mine expansion. 152 Comment
  SEINET10941631  Palafoxia arida David B. Dunn, Harold L. Lint 1948-1-25 Dunn 3638 Riverside Found in wash 300 yards below springs. Pushawalla Canyon, Indio Hills or the Colorado desert; west of Indio. Comment
  POM363738  Palafoxia arida var. arida Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  UC166696  Palafoxia arida var. arida Geo. B. Grant May 1-10, 1906 906 -6748 Riverside Palm Springs Colorado Desert Comment
  VVC1457  Palafoxia arida var. arida A. C. Sanders 1996-11-23 19655 Riverside San Bernardino Mtns., Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish hatchery, E of VAMB Captain 534 Comment
  UCR24014  Panicum alatum var. minus John C. Roos 1965-9-5 s.n. Riverside Sonoran (Colorado) Desert, 18 mi. west of Blythe 122 Comment
  UC573917  Panicum capillare H. S. Yates 1937-6-27 6707 Riverside near Relief Hot Springs; San Jacinto Quad. Comment
  UCR14420  Panicum miliaceum A. C. Sanders 1974-7-25 938 Riverside Riverside, corner of Chicago and Pennsylvania 296 Comment
  JOTR33676  Panicum miliaceum subsp. miliaceum La Doux, Tasha 2003-9-24 1619 Riverside Joshua Tree National Park. Little San Bernardino Mtns; southern Wonderland of Rocks, along trail to Barker Dam 1296 Comment
  SBBG57166  Panicum urvilleanum M. N. Ackley 1928-4-4 Riverside near Edom 64 Comment
  CAS-BOT-BC422791  Papaver californicum John Roos; Lucille Roos 1952-5-19 5692 Riverside On hills north of Moreno. 518 Comment
  RSA496741  Parietaria hespera var. californica Steve Myers 1988-2-4 s.n. Riverside Northgate Estates development, immediately NW of Canyon Lake. 488 Comment
  GMDRC5836  Parietaria hespera var. hespera J. M. Andre 2013-3-27 24815 Riverside Riverside Mountains: east side of Riverside Mountains, along Hwy 95, 13.2 mi. south of Vidal Jct 126 Comment
  UC848656  Parietaria hespera var. hespera Alice Eastwood 1913-4-30 3035 Riverside Palm Springs Comment
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Aug 10 2006
  RSA778388  Parkinsonia aculeata Amber Swanson 2011-10-9 647 Riverside Around the Hayfields ext N of Hwy I-10. 426 Comment
  LA45742  Parkinsonia florida A. M. Johnson; 1933-4-28 4227 Riverside Indian Wells highway along new mountain highway to Hemet, 2 to 3 mi. up from Palm Springs Comment
  SD227808  Parkinsonia florida Andrew C. Sanders 1994-6-1 14621 Riverside Colorado Desert: Box Canyon in the Mecca Hills, ca. 4.5 miles below Shaver's Well, 12 miles SW of the Box Canyon Rd. intersection with I-10 149 Comment
  UCR226786  Parkinsonia florida Jim Andre 2011-2-9 15902 Riverside Sonoran (Colorado) Desert, Mecca Hills, along Box Canyon Road at upper end of gorge, c. 6 mi south southeast of the junction with Hwy I-10, c. 12 mi west of Chiriaco Summit 284 Comment
  UCD88694  Paspalum notatum Leslie L. Ede 1972-8-1 s.n. Riverside Blythe. Comment
  CAS-BOT-BC258775  Paspalum urvillei S. B. Parish 1913-9-23 8620 Riverside Palm Springs R. R. Station, Colorado Desert Comment
  RSA387326  Pectis papposa Aaron Liston, Thomas S. Elias, Oscar Dorado, S. Zona 1986-11-29 643 -2 Riverside Joshua Tree National Park. Cottonwood Springs. Comment
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Oct 9 2010
  JOTR29252  Pectis papposa var. papposa La Doux, Tasha 2005-8-17 1533 Riverside Joshua Tree National Park. Queen Valley, along Bighorn Pass Road 1321 Comment
  JOTR30837  Pectis papposa var. papposa La Doux, Tasha, Jim Andre 2008-9-16 347 Riverside Joshua Tree National Park. JTNP; NE end of Splitrock Picnic Area. Queen Mountain USGS 7.5 min Quad. Near 34 00.534' N 116 03.098' W 1327 Comment
  RSA782000  Pectis papposa var. papposa Stephanie Rockwood, Christi Gabriel 2011-10-12 106 Riverside East side of the West Riverside Mountains. Highway 62 to NS857 (Radio Tower Road) to NS 853 to 7 Wash Road. Vidal Valley. 348 Comment
  CAS-BOT-BC169751  Pectocarya anisocarpa H. M. Hall 1902-4-22 2943 Riverside Vicinity of Riverside 396 Comment
  UCR127569  Pectocarya heterocarpa A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16125 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  UCR239797  Pectocarya linearis O. F. Clarke 2004-3-24 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River near the old Salt Lake Railroad bridge 215 Comment
  POM368765  Pectocarya linearis subsp. ferocula P. A. Munz, R. D. Harwood 1920-2-28 3237 Riverside 2 mi. southeast of Corona 274 Comment
  RSA180305  Pectocarya linearis subsp. ferocula E. W. Lathrop 1960-3-11 4656 b Riverside 5 miles west of Murrieta. Comment
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Apr 28 2011
  RSA528100  Pectocarya linearis subsp. ferocula Steve Myers 1991-4-15 91 -16 Riverside City of Banning, W of fields Road, N of Interstate 10 & S o the Morongo Indian Reservation. 671 Comment
  RSA655095  Pectocarya linearis subsp. ferocula Scott D. White 2000-4-17 7657 Riverside Menifee / Sun City Area: South of McColl Ave. and east of I-215 freeway. 442 Comment
  CLARK-A1528-338  Pectocarya penicillata C. M. Flanagan 1973-4-21 OO 302 Riverside Morongo Indian Reservation 914 Comment
  UCR23545  Pectocarya penicillata John C. Roos 1966-4-5 s.n. Riverside Hills near Winchester Comment
  UCR97498  Pectocarya penicillata A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19873 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  RSA77820  Pectocarya platycarpa F. W. Peirson 1928-4-24 7908 Riverside Cottonwood Spring, west end of Eagle Mtns. Comment
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Oct 9 2010
  UCR41560  Pectocarya platycarpa A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6018 Riverside Chuckwalla Valley, 1 mi west of Hayfield Lake, 2 mi SW of the pumping station on a small cutoff road from Hayfield Rd to the dirt road to the Colorado River Aqueduct 427 Comment
  UCR52024  Pectocarya platycarpa Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2200 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  VVC2450  Pectocarya platycarpa Tim Thomas 2013-3-18 5937 Riverside Sonoran Desert, 10 miles WSW of Blythe NE of Mule Mtns. 116 Comment
  RSA709881  Pectocarya recurvata Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4625 Riverside Along Palen Pass Road, near Packard Well, S end of Granite Mountains. 502 Comment
  SBBG81659  Pectocarya recurvata S. A. Junak 1983-3-24 1655 Riverside N side of Interstate 10, 6.9 mi W of Pinto Basin Rd 426 Comment
  SEINET3105402  Pectocarya recurvata Faulkner 1978-3-15 277 Riverside 1 mile West Hwy 95; 25 miles N. of Blythe. 152 Comment
  UCR281259  Pectocarya recurvata Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-28 317- 53 Riverside Temescal Valley, Southern foot of the Gavilan Hills, slopes west of Black Powder Rd. 427 Comment
  UCR60249  Pectocarya recurvata Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3115 Riverside Peninsular Range, Vail Lake area, 2 mi west of dam, at edge of escarpment east of Pauba Valley 549 Comment
  RSA757638  Pectocarya setosa LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4316 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  UCR138805  Pedicularis densiflora D. L. Banks, J. Moreno 1997-2-5 1247 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation, along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside/San Diego County line border 482 Comment
  POM9752  Pellaea andromedifolia var. andromedifolia P. A. Munz 1921-12-31 4697 Riverside Andreas Canyon, Palm Springs. Comment
  UCR120159  Pennisetum setaceum Mitch Provance 1998-3-5 185 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', but also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 Comment
  JEPS11253  Penstemon centranthifolius C. V. Meyer June 1927 272 Riverside Saunder's Meadow San Jacinto Mts., Saunder's Meadow Comment
  RSA412457  Penstemon centranthifolius C. Epling, Wm. Robison 1935-6-30 s.n. Riverside San Jacinto Mountains: North Fork San Jacinto River. Comment
  RSA502508  Penstemon centranthifolius Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3558 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  RSA69368  Penstemon centranthifolius G. R. Campbell 1951-5-30 16141 Riverside just west of Cahuilla. 1067 Comment
  UCR16686  Penstemon centranthifolius R. Stoltz 1969-5-3 43 Riverside Peninsular Range; Santa Ana Mtns, Corona, Eagle Canyon, 4.2 mi south of Main Street and Hwy 91 intersection 518 Comment
  RSA412502  Penstemon clevelandii subsp. connatus Gale Sphon 1956-6-13 s.n. Riverside Palms to Pines Hwy Comment
  JEPS3819  Penstemon clevelandii var. connatus Marjorie D. Clary 1934-4-23 Riverside Vandeventer Flats Santa Rosa Mts., Vandeventer Flats 1219 Comment
  JOTR01216  Penstemon incertus Cole, James E. 1941-6-16 916 Riverside Joshua Tree National Park. LOST HORSE VALLEY 1310 Comment
  RSA68357  Penstemon labrosus Verne Grant, Alva Grant 1951-7-20 16099 Riverside Idyllwild 1646 Comment
  UC1971232  Penstemon rostriflorus Scott D. White 1998-7-31 6929 Riverside IDYLLWILD AREA: Strawberry Creek between crossing at Circle Dr. and Humber Park. USGS 7.5' San Jacinto Peak quad. Comment
  RSA0014855  Penstemon rostriflorus Philip A. Munz, I. M. Johnston 1924-7-27 8775 Riverside Dark Canyon, San Jacinto Mts. 2439 Comment
  RSA0014858  Penstemon rostriflorus Gary D. Wallace, D. H. Wilken 1966-7-3 633 Riverside East side of San Jacinto Mtns, up Thomas Mts. Rd. Comment
  RSA734888  Pentachaeta aurea A. C. Sanders, Tim Thomas 2008-6-20 35530 Riverside May Valley area, at spring with trough, along dirt road (May Valley Rd.) c. 1.5 mi. ENE of Keenwild, 0.5 mi. NW of FS Rd. 5S05 1600 Comment
  UC1951100  Pentachaeta aurea Scott D. White, Justin Wood 2008-5-15 11987 Riverside San Jacinto Mountains: Johnson Meadow. USGS Idyllwild 7.5' Quad. Comment
  UC35609  Pentachaeta aurea H. M. Hall May 20 1899-May 22 1899 1136 Riverside Johnson's Ranch San Jacinto Mountains 1524 Comment
  RSA0070918  Pentagramma maxonii Norman C. Cooper 1944-4-8 1085 Riverside Andreas Canyon. 457 Comment
  JEPS34960  Perityle emoryi Mary Beal 1941-4-6 861 Riverside Box Canyon Colorado Desert, Coachella Valley, Mecca Hills Comment
  UC665739  Perityle emoryi Ira L. Wiggins 1941-3-27 9675 Riverside 8 mi ne Desert Center; s end Coxcomb Mountains Comment
  CAS-BOT-BC167766  Petalonyx thurberi W. R. Dudley 1903-12-30 s.n. Riverside Two miles below Thousand Palms Comment
  POM83639  Petalonyx thurberi Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  RSA653436  Petalonyx thurberi Scott D. White 1999-6-1 7438 Riverside Coachella Valley, Thousand Palms area: N terminus of Rio del Sol Road at intersection with Vista Chino. Porposed aggregate mine expansion. 150 Comment
  LA49850  Petalonyx thurberi subsp. thurberi S. Atsatt; 1926-4-17 sn Riverside Palm Springs Comment
  SD84909  Petalonyx thurberi subsp. thurberi Nancy Ryan Zabriskie, Walter Zabriskie 1971-10-23 452 Riverside Near Andreas Canyon Club gate, South Palm Canyon Drive, Palm Canyon drainage, east slope San Jacinto Mountains. 167 Comment
  POM13423  Petunia parviflora Philip A. Munz, I. M. Johnston 1922-5-5 5156 Riverside Mystic Lake, near Moreno. Comment
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Mar 20 2011
  RSA557345  Petunia parviflora Julie Greene 1993-5-12 1306 Riverside San Jacinto Wildlife Area; south of gated W-E road, east of Davis Road. 433 Comment
  CAS-BOT-BC326729  Peucephyllum schottii unspecified 1905-4-1 s.n. Riverside Coachella Comment
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Sep 3 2017
  CAS-BOT-BC326773  Peucephyllum schottii Roxana S. Ferris; Ruth P. Rossbach 1938-5-16 9562 Riverside Mecca Hills 2 miles up Painted Canyon Comment
  JEPS20877  Peucephyllum schottii W. L. Jepson 1914-5-18 6023 Riverside on road from Pinyon Well to Indio (at County Well); Conchilla Mts. 304 Comment
  POM46835  Peucephyllum schottii Mary F. Spencer 1920-3-29 1450 Riverside Cottonwood Springs Comment
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Feb 1 2012
  RSA770291  Peucephyllum schottii Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4751 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 600 Comment
  RSA93142  Peucephyllum schottii Alice Yates, Jas E. Wilcox 1954-1-29 s.n. Riverside 3 miles N of Desert Hot Springs 396 Comment
  SEINET10801062  Peucephyllum schottii David B. Dunn 1946-2-23 Dunn 1975 Riverside Hidden Springs Canyon in the vicinity of the Palms. Comment
  RSA517240  Phacelia ambigua Steve Boyd, T. S. Elias, Erika Winter 1986-2-18 1327 Riverside Mecca Hills, Colorado Desert: Painted Canyon N of Highway 195. Comment
  HSC78992  Phacelia brachyloba K. Berg 1981-5-1 354 Riverside San Jacinto Mtns. along Banning-Idyllwild Hwy. (243) below Mt. Eden Comment
  RSA113259  Phacelia brachyloba E. K. Balls 1955-4-4 20428 Riverside Chaparral, Ortega Hwy. 8.3 mi. ne. from Orange-Riverside Co. line, Elsinore overlook. 793 Comment
  UC511759  Phacelia campanularia subsp. campanularia Frank W. Peirson 1926-2-22 6499 Riverside talus slope at e end Bridge over Whitewater River Comment
  JEPS2182  Phacelia cicutaria var. hispida Marjorie D. Clary 1932-3-20 1601 Riverside nw Garnet; Colorado Desert, Mission Creek 457 Comment
  UCR250120  Phacelia cicutaria var. hispida A. C. Sanders 2014-4-23 41054 Riverside Peninsular Range, Gavilan Hills, toward eastern end of Concordia Ranch Rd. at edge of Temescal Valley, above I-15 390 Comment
  UCR91405  Phacelia cicutaria var. hispida Scott D. White 1995-4-5 2721 .1 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  SEINET2042416 Image available Phacelia crenulata B. Pitzer 1998-2-1 3442 Riverside Hayfield Spring Quad 7.5': Hayfield Dry Lake, alluvial fan on N side of lakebed, from paved road lakebed. 427 Comment
  RSA766669  Phacelia crenulata var. minutiflora Thomas Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-22 158 Riverside N of I-10. Approx. 1.5 miles up Corn Springs Rd. 213 Comment
  SEINET4391066 Image available Phacelia crenulata var. minutiflora Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4583 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock 402 Comment
  RSA525673  Phacelia distans Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4544 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  RSA650568  Phacelia distans Marion P. Harthill 1973-2-17 1569 Riverside W. Palm Springs. 366 Comment
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Apr 16 2009
  SBBG101782  Phacelia distans S. Boyd with T. Ross, M. Hammitt 1991-5-2 6067 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
  SD38344  Phacelia distans Edith A. Purer 1935-4-21 6486 Riverside Western edge of Colorado Desert near Palm Springs. Comment
  UC1537521  Phacelia distans Gordon H. True Jr. 1935-2-27 27 Riverside Box Springs 365 Comment
  UCR100313  Phacelia distans B. G. Pitzer 1997-4-20 3172 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
  UCR120811  Phacelia distans Ian G. Gillespie 2000-4-16 4 Riverside Box Springs Mtns., Two Trees Canyon. 70 m up the trail from Two Trees trailhead 457 Comment
  UCR133396  Phacelia distans Tracy Tennant, T. B. Salvato 1998-6-23 468 Riverside San Bernardino Mtns., Morongo Indian Reservation, N end of Hathaway Cyn., c. 0.4 miles east of pk 4265 (polygon 13) 1341 Comment
  UCR265842  Phacelia distans Mitch Provance 2012-5-24 512- 26 Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  SEINET12319683  Phacelia distans N. H. Holmgren, Holmgren, P. K. 1974-1 7463 Riverside Box Canyon Wash, 11.4 mi ENE of Mecca 244 Comment
  RSA622  Phacelia imbricata subsp. patula J. T. Howell 1927-8-2 559 Riverside Strawberry Valley, Mt San Jacinto. 1677 Comment
  JEPS19793  Phacelia ivesiana Rimo Bacigalupi with Paul C. Hutchison 1958-2-19 6202 Riverside 9.4 mi n of Blythe (at western base of Big Maria Mountains); Big Maria Mountains 167 Comment
  JEPS1179  Phacelia minor W. L. Jepson 1939-4-19 19206 Riverside 2 mi s Aguanga (sw Riverside Co.) Comment
  OBI8236  Phacelia minor David J. Keil, Malcolm McLeod 1977-3-26 12002 Riverside 0.2 mi NW of Prado Dam on Calif 71 183 Comment
  RSA33574  Phacelia minor N. C. Cooper 1944-5-21 1266 Riverside San Jacinto Mountains, west side. 1220 Comment
  SEINET1004488  Phacelia minor T. B. Salvato, Kent Beaman 2005-1 818 Riverside San Jacinto Mountain foothills: San Jacinto River E of Valle Vista, just downstream from Forest Service boundary and N of CA Hwy 74 549 Comment
  SFV11870  Phacelia minor R. H. Swade 1963-12-7 s. n. Riverside Colorado Desert Open desert west of Snow Creek Road, about 3 miles south of Interstate 10 intersection with California State Highway 111. 366 Comment
  RSA550349  Phacelia neglecta Walter Wisura, John Dolan, M. Wall 1992-3-24 4639 Riverside 1.9 miles S of I-10 on road to Corn Spring Comment
  JOTR31229  Phacelia pedicellata La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 2013 Riverside Joshua Tree National Park. Eagle Mountains; (Stop 4) basalt rocky slopes above Pinto Wash, sparsely vegetated 377 Comment
  UCR18163  Phacelia pediculoides A. C. Sanders 1978-3-11 00400 Riverside Sonoran (Colorado) Desert, Coachella Valley, Indian Wells, intersection of Bay Club Drive and Hwy 111 30 Comment
  LA205628  Phacelia ramosissima Elizabeth McClintock; 1936-7-19 s.n. Riverside SAN JACINTO MOUNTAINS, Idyllwild. Comment
  RSA632472  Phacelia ramosissima var. latifolia Scott D. White 1998-6-17 6748 Riverside Gavilan Hills: Along Gavilan Rd. or Santa Rosa Mine Rd.; ca. 7 mi survey route from Gavilan/ Cajalco Rd. jtn. south and east to Santa Rosa Mine/ Post Rd. jtn. Comment
  CSUSB153  Phacelia tanacetifolia David M. Peterson 1966-3-13 660313 1 Riverside Six miles south of Morongo Valley, on 29 Palms Road. 304 Comment
  RSA343112  Phalaris caroliniana R. F. Thorne, Walter Wisura, EA Lathrop, Sara Meury 1985-5-18 60651 Riverside Santa Rosa Plateau: Mesa de Colorado 625 Comment
  RSA515337  Phalaris minor Jeri Hirshberg 1989-5-3 s.n. Riverside Santa Rosa Plateau; S of town of Murrieta, on W side of Mesa de Burro., (Near 33 deg 31'N, 117 deg 14'W). 549 Comment
  UCR180260  Phalaris paradoxa Scott D. White, Pam Devries 2006-3-14 11246 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
  RSA489619  Phlox austromontana D. Charlton 1988-5-28 2113 Riverside Santa Rosa Mts. S of Hwy. 74 dirt road to Toro and Santa Rosa Peaks. Toro Camp Area. 2286 Comment
  SD67915  Phlox austromontana Reid Moran 1968-8-3 15364 Riverside On rocky north slope, ridge 1 mile NW of Toro Peak. 2250 Comment
  RSA0043161  Pholistoma auritum var. auritum Scott D. White, Justin M. Wood 2008-3-25 11784 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  JOTR28819  Pholistoma membranaceum La Doux, Tasha 2005-3-1 1087 Riverside Joshua Tree National Park. 3.5 miles North of Cottonwood Visitor's Center at exhibit Comment
  CAS-BOT-BC134987  Phoradendron bolleanum H. E. Parks 1946-2-1 24406 Riverside Santa Rosa canyon, W side of Colorado Desert Comment
  CAS-BOT-BC135069  Phoradendron californicum Del Wiens 1953-12-5 872 Riverside near Junction of road from S end of Joshua Tree National Monument and US 60 and 70 152 Comment
  CAS-BOT-BC135102  Phoradendron californicum Roxana S. Ferris 1918-7-14 964 Riverside by stream at Palm Springs Comment
  JOTR29445  Phoradendron californicum La Doux, Tasha, Mike Bell 2006-3-8 1343 Riverside Joshua Tree National Park. Hayfield spring Comment
  SEINET3073027 Image available Phoradendron californicum Dennis Kucera 1987-11-14 Riverside Malki Museum garden, E of Banning off Fields Road, Morongo Reservation. 610 Comment
  CSUSB308  Phoradendron tomentosum subsp. macrophyllum Holzmiller 1966-3-15 Riverside Mary Knoll Ranch near resevoir. 304 Comment
  POM49490  Phoradendron villosum Philip A. Munz 1924-7-28 8813 Riverside Pine Flats. 1738 Comment
  RSA654165  Phoradendron villosum A. C. Sanders, Steve D. Boyd, Mitch Provance, J. Ross 1998-10-25 22285 Riverside San Jacinto Mtns.: Pine Meadow along Hwy 74 in Garner Valley (eastern), 1 mi. NW of Hwy 371 junction to Anza 1441 Comment
  IRVC28190  Physalis crassifolia Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11216 Riverside Choclate-Chuckwalla Mtns region; W base of the Choclate Mtns, small cyn, ca. 1.25 mi. N of Imperial Co. line and about 3.75 mi. W of aquaduct; accessed by dirt road off of main aquaduct road at siphon station. Within boundary of US Navy Choclate Mtn ... Colorado Desert Comment
  RSA233714  Physalis crassifolia Frederick W. Oettinger 1968-10-23 818 -B Riverside Whitewater Canyon; 10 mi. NNw of Palm Springs, 4.5 mi. N of Hwy. 10 near trout harchery. Comment
  RSA26277  Physalis crassifolia Reid Moran 1941-5-5 857 Riverside Cottonwood Pass, Eagle Mtns. Comment
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Nov 22 2011
  RSA423827  Physalis crassifolia E. C. Jaeger 1922-4-9 821 Riverside Chucawalla Well, Colorado Desert of California. 259 Comment
  SBBG99847  Physalis crassifolia W. L. Halvorson 1977-3-25 77 -198 Riverside N of Mecca, N of Salton Sea Comment
  SD144431  Physalis crassifolia G. K. Helmkamp, E. A. Helmkamp 1998-2-18 2692 Riverside Colorado Desert: Midland Rd., 3.8 mi. SE of Midland, Little Maria Mtns., sandy wash Comment
  UCR103322  Physalis crassifolia George K. Helmkamp, E. A. Helmkamp 1998-2-5 2653 Riverside Sonoran (Colorado) Desert, Indio Hills, 3 mi. east of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  LA6050  Pinus contorta subsp. murrayana A. H. Lange; 1951-5-27 sn Riverside San Jacinto Mountains, Tauquitz (Tahquitz) Peak 2133 Comment
  UC64436  Pinus flexilis H. M. Hall 1901-8-1 Riverside San Jacinto Mountains Comment
  SEINET7048006  Pinus jeffreyi Steven R. Hill, Kate Kramer and family 2001-4-26 33473 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
  SFV268  Pinus monophylla M. L. Vincent, R. H. Swade 1963-10-19 440 Riverside Roadside on California state Highway 74, near the road to Pinyon Flat. 1220 Comment
  CAS-BOT-BC79097  Pinus quadrifolia Munz; Johnston 1922-5-20 5492 Riverside head of Hemet Valley, San Jacinto Mts. 1524 Comment
  NY62442  Pinus quadrifolia N. H. Holmgren 1969-6-18 3587 Riverside This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  RSA741586  Pinus quadrifolia Scott D. White, Justin M. Wood 2008-6-17 12190 Riverside Morris Ranch Rd. - open area W of Goff Flat. 1616 Comment
  SBBG39789  Pinus quadrifolia J. T. Howell 1960-3-24 35150 Riverside rd to Anza just S of Palm to Pines Hwy 1463 Comment
  UC1143327  Pinus quadrifolia W. C. Cumming October 1939 Riverside South end of San Jacinto Mountains; near type locality of P. quadrifolia Comment
  UC527400  Pinus quadrifolia B. D. Stark 1931-8-29 2448 Riverside Vandeventer Flat San Jacinto Mts. 1371 Comment
  RSA180325  Plagiobothrys acanthocarpus E. W. Lathrop 1959-4-16 4453 c Riverside 14 miles W of Murrieta. Tenaja plateau. Comment
  HSC85447  Plagiobothrys canescens Steve Boyd 1986-3-3 1376 Riverside Good Hope Valley; about 5 mi. W of Perris. DePrad St., 0.5 mi. E of Cowie Ave. 488 Comment
  RSA645633  Plagiobothrys canescens Scott D. White 1999-5-2 7282 Riverside Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5 - 2 mi. W of I-215 freeway. 442 Comment
  RSA653420  Plagiobothrys canescens Scott D. White 1999-5-24 7387 Riverside San Jacinto Valley, San Jacinto River wash: Just N of City of San Jacinto, about 1 mile SE of State St. Bridge. 448 Comment
  SEINET272294  Plagiobothrys canescens A. C. Sanders 1997-3-1 19730 Riverside Box Springs Mins: Pigeon Pass cyn below Regulus Rd 0.6 mi W of Pigeon Pass Rd. 0.4 mi E of Bench Mark Table. UTM 10km 610 Comment
  UCR167437  Plagiobothrys collinus 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
  UCR172241  Plagiobothrys collinus John F. Green 2006-5-10 s.n. Riverside Peninsular Ranges, City of Murrieta; south of the Hogbacks. north of Hunter Road to Ramage Lane, between Calle de Amor on the E and Springview/Kiwebre Road on the W 402 Comment
  UCR225445  Plagiobothrys collinus A. C. Sanders, T. B. Salvato 2011-3-29 38850 Riverside Peninsular Range; Perris-Aguanga Basin Region, valley at toe of hills between Sun City and Perris, powerline corridor between Goetz Rd. and Alabaster Loop, north of Goldenrod Ave. 448 Comment
  UCR231779  Plagiobothrys collinus John F. Green 2008-4-23 08- 23 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
  RSA659691  Plagiobothrys collinus var. californicus J. C. Roos 1952-2-29 5368 Riverside Reche Canyon. 457 Comment
  SD247371  Plagiobothrys collinus var. fulvescens A. C. Sanders, Timothy W. Chumley 2013-4-2 40735 Riverside Peninsular Range: Temescal Canyon at west side of Horsethief Canyon Rd., south of I-15 Fwy, SE of Corona Lake. 390 Comment
  POM213630  Plagiobothrys leptocladus P. A. Munz 1941-5-18 16650 Riverside About 15 miles northeast of Temecula. Comment
  UCD120858  Plagiobothrys leptocladus J. C. Roos 1952-4-23 5572 Riverside Along the San Jacinto River 1 mile SE of Perris. 426 Comment
  UCR76172  Plagiobothrys leptocladus A. C. Sanders 1993-4-1 13671 Riverside Perris-Aguanga Basin Region, western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St. and Devonshire Ave., 0.75 mile NE of the intersection of Florida Ave (Hwy 74) and Warren Rd, just south of Tres Cerritos 460 Comment
  UCR85638  Plagiobothrys leptocladus A. C. Sanders 1993-4-5 13698 Riverside San Jacinto Valley, west edge of Hemet, along south side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and north of Florida Ave./ Hwy 74 460 Comment
  RSA180399  Plagiobothrys nothofulvus E. W. Lathrop 1965-3-30 5598 Riverside 14 miles W of Murrieta. Comment
  UCR25974  Plagiobothrys nothofulvus John C. Roos 1947-3-21 3365 Riverside Plateau in Reche Canyon Comment
  UC1930012  Plagiobothrys tenellus Scott D. White, Justin Wood 2008-5-15 12000 Riverside San JAcinto Mountains: Johnson Meadow. Comment
  SBBG54322  Plagiobothrys undulatus C. Davidson 1977-5-25 5641 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
  RSA543869  Plantago bigelovii subsp. californica Steve Boyd, D. Bramlet 1991-5-13 6230 Riverside Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. N of Santa Fe RR tracks, W of San Diego aqueduct. Comment
  RSA401988B  Plantago erecta Ora M. Clark 1929-3-2 1596 Riverside Near Alberhill Comment
  RSA594130  Plantago erecta D. L. Banks, Victor W. Steinmann 1996-4-20 906 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 trail to the W, approx. 50 m S of the gate to the Reserve. 451 Comment
  RSA654549  Plantago erecta Starr Streight 1982-4-17 40 Riverside Cajalco Road, 2 miles east of I-15; south of Corona. Comment
  RSA715318  Plantago erecta A. C. Sanders 2006-5-19 32381 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
  UCR127332  Plantago erecta A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25841 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  UCR135824  Plantago erecta A. C. Sanders, Guy Bruyea 2004-4-2 27447 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
  UCR174319  Plantago erecta A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32553 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  SD187451  Plantago lanceolata Scott D. White, Angelia Carey 2004-5-7 10340 Riverside San Jacinto Mountain foothills; Indian Creek and adjacent foothills. 459 Comment
  JEPS22514  Plantago ovata Rimo Bacigalupi with Paul Hutchison 1958-2-19 6195 Riverside 9.4 mi n Blythe (at w base of Big Maria Mts.); Big Maria Mts. 167 Comment
  UC1279712  Plantago ovata David B. Dunn 1948-2-21 3686 Riverside n of Pushawalla Comment
  POM7037  Plantago ovata var. fastigiata P. A. Munz, L. T. Street, G. Williams 1919-3-28 2367 Riverside San Gorgonio Pass, near Cabazon 543 Comment
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Sep 12 2011
  RSA4912  Plantago ovata var. fastigiata Carl B. Wolf 1932-4-28 3074 Riverside Chuckwalla Valley, 20 miles west of Blythe on Mecca Road 122 Comment
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Mar 26 2011
  SD133046  Plantago patagonica Scott White 1991-5-13 91 78 Riverside Highway 79, immediately west of U. S. Forest Service Campground at Dripping Springs. 548 Comment
  SD185278  Plantago patagonica T. B. Salvato, Kent Beaman 2005-5-16 800 Riverside San Jacinto Mountain foothills: San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of Ca. Highway 74. 548 Comment
  RSA401710A  Platanus racemosa H. de Forest 1924-4-13 s.n. Riverside Tahquitz Canyon. Comment
  SEINET10620967  Platanus racemosa Greg Gust, Leith Nye 2005-3-12 Gust 557 Riverside Cleveland National Forest. Hwy 74 west of lower San Juan Picnic Area at pullout W side of Santa Ana Mountain Range. 495 Comment
  RSA770859  Platystemon californicus Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4927 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
  SD181426  Platystemon californicus Scott D. White 2001-5-1 8439 Riverside Near Sun City; Quail Valley, valleys and slopes east of Canyon Lake and west of Goetz Road. 441 Comment
  CLARK-A1528-3416  Platystemon californicus var. crinitus John C. Roos 1942-5-2 1147 Riverside Joshua Tree National Park Comment
  POM192667  Pleuraphis rigida Marcus E. Jones 1929-9-16 24755 Riverside East of Desert Center. Comment
  RSA0013229  Pleuraphis rigida April Garbat, Sarah De Groot 2013-4-9 45 Riverside Blythe-Rice Rd at a wash at the bottom of Rice Valley, 1.9 mi S of Hwy 62. 243 Comment
  RSA414081  Pleuraphis rigida J. S. Stubblefield 1934-9-12 s.n. Riverside Between Desert Center & Blythe. 106 Comment
  RSA780227  Pleuraphis rigida Stephanie Rockwood, Christi Gabriel 2011-10-12 104 Riverside East side of the West Riverside Mountains. Highway 62 to NS857 (Radio Tower Road) to NS 853 to 7 Wash Road. Vidal Valley. 348 Comment
  SEINET3221554 Image available Pleuraphis rigida E. R. Blakley 1962-11-25 5481 Riverside 50 miles west of Blythe on U.S. Highway 60-70 122 Comment
  UCSB26331  Pleuraphis rigida Joseph Keefe 1967-3-23 1615 Riverside Collected 3.8 mi N, along 29 Palms Highway, in the Morongo Valley Mission Creek Road - 29 Palms Highway and Mission Creek Road 777 Comment
  JOTR36086  Pleurocoronis pluriseta La Doux, Tasha, A. Johnson, A. Miller, T. Vaughn 2007-10-25 3313 Riverside Joshua Tree National Park. Pinto Mtn foothills, San Bernardino Wash, approx. 0.75 km south of Sunset Mine (STOP4). 475 Comment
  POM6546  Pleurocoronis pluriseta P. A. Munz, L. T. Street, Williams 1919-3-25 2329 Riverside Palm Springs. Comment
  UC1292583  Pleurocoronis pluriseta C. L. Hitchcock and C. V. Muhlick 1964-3-22 23261 Riverside w end Pinto Basin; Joshua Tree National Monument, Pinto Basin Comment
  RSA603751  Pluchea odorata L. C. Wheeler 1932-9-4 1321 Riverside Santa Ana River at Chino Creek 183 Comment
  UC35678  Pluchea sericea H. M. Hall 1901-6-1 Riverside near Palm Canyon Comment
  UC51606  Pluchea sericea Jos. Burtt Davy 1902-3-25 7931 Riverside Indio Comment
  UCR240198  Pluchea sericea C. J. Minar 1994-5-7 09 Riverside Sonoran (Colorado) Desert, Coachella Valley, east of Salton Sea near Dos Palmas Oasis -27 Comment
  RSA179490  Poa bulbosa E. W. Lathrop 1965-4-18 5661 Riverside 10 miles west of Murrieta. Comment
  UC1930043  Poa pratensis Scott D. White, Justin Wood 2008-6-16 12106 Riverside San Jacinto Mountains: Fobes Canyon, +- 1 mile up Fobes Ranch Road from Fobes Spring. Comment
  RSA583732  Poa secunda subsp. secunda Steve Boyd 1995-4-24 8497 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on northern flank of Agua Tibia Mountain at the north base of Wildhorse Peak, along the Wildhorse Trail near the northeastern corner of the Wilderness. 671 Comment
  UCR113610  Polygonum punctatum A. C. Sanders, Mitch Provance, T. B. Salvato 2000-10-5 23718 Riverside Santa Ana River Valley, Hidden Valley Wildlife Area, c. 1/2 mile west of the park office (nature center), near Riverside between La Sierra and Norco 191 Comment
  UCR82881  Polygonum punctatum A. C. Sanders, P. J. MacKay 1994-10-23 15851 Riverside San Bernardino Mtns/Colorado Desert, Whitewater River Canyon, between the trout hatchery and Bonnie Bell 671 Comment
  UCSB62772  Polypodium californicum Kiefer, Lawrence 1963-11-3 Riverside Reche Canyon (S of Loma Linda), W side, no-running ravine just inside county line. 426 Comment
  UCSC001088  Polypodium hesperium Peter Kamb 1947-10-4 2 Riverside Snow Creek, San Jacinto Mt. Comment
  CAS-BOT-BC237274  Polypogon monspeliensis H. M. Hall 1901-5-1 s.n. Riverside Elsinore Comment
  UCR202603  Polypogon monspeliensis Scott D. White, Justin M. Wood 2008-7-9 12412 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  SDSU13009  Populus balsamifera subsp. trichocarpa Michael G. Simpson 1999-10-27 2044 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  JEPS35438  Porophyllum gracile W. L. Jepson 1928-4-25 12586 Riverside Eagle Mts., Cottonwood Spring Colorado Desert, Eagle Mts., Cottonwood Spring 731 Comment
  UC1023391  Portulaca halimoides John and Lucille Roos 1952-10-18 5900 Riverside Little San Bernardino Mountains, Hidden Valley Campground Hidden Valley Campground; Little San Bernardino Mountains, Hidden Valley Campground 1219 Comment
  RSA544379  Portulaca oleracea Steve Boyd, Timothy S. Ross 1991-6-14 6394 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 Springs. Comment
  RSA597532  Potamogeton L. C. Wheeler 1957-11-30 7276 Riverside Coachella drainage ditch, ca. 1.5 mi. south southeast of Thermal. Comment
  CAS-BOT-BC267210  Potamogeton foliosus Steve Boyd 1994-10-14 8387 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, San Mateo Canyon, canyon bottom along San Mateo Creek at confluence with Bluewater Creek 329 Comment
  RSA180483  Potamogeton foliosus E. W. Lathrop 1960-6-9 4971 Riverside 14 miles west of Murrieta. Comment
  RSA575894  Potamogeton foliosus Steve Boyd 1994-10-14 8387 Riverside Southern San Mateo Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest. San Mateo Canyon, in canyon bottom at the confluence with Bluewater Canyon 329 Comment
  UCR212973  Potamogeton pusillus Justin M. Wood, Brandy N. Wood 2009-7-4 1045 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
  UCR237632  Prenanthella exigua Duncan S. Bell, Amanda Turek 2010-4-10 832 Riverside Riverside Mountains, in the vicinity of Mountaineer Mine and Calzona Mine, c. 3.8 air mi west of the Colorado River, c. 2 air mi northeast of Riverside Mountain Peak 198 Comment
  RSA0013897  Proboscidea althaeifolia Scott D. White, Justin M. Wood 2005-10-4 11235 Riverside San Gorgonio Pass: Cabazon: Smith Creek (a dry wash) at the foot of the San Jacinto Mtns., south of the I-10 Freeway and west of San Gorgonio River. 564 Comment
  UCR18679  Proboscidea althaeifolia Frank C. Vasek 1971-9-8 710908- 01 Riverside Sonoran (Colorado) Desert, Dry lake, 3 mi. north of Desert Center. Comment
  LA47465  Prosopis glandulosa var. torreyana A. M. Johnson; 1928-5-5 3026 Riverside Painted Canyon, Colorado Desert Comment
  POM17772  Prosopis glandulosa var. torreyana Philip A. Munz, R. D. Harwood 1923-6-29 7305 Riverside Aguanga. Comment
  SD229160  Prosopis glandulosa var. torreyana Dick Schwenkmeyer 2013-6-11 905 Riverside Approx. 1.5 miles north od highway 74 and Royal Carrizo Road intersection. 854 Comment
  SD229162  Prosopis glandulosa var. torreyana Dick Schwenkmeyer, Collection made by Tony Harper 2013-5-8 887 Riverside Little Paradise Camp in Palm Canyon, approx. 8 miles S. of Cathedral City 869 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
  SEINET10489774  Prosopis glandulosa var. torreyana David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-16 Dunn 2863 Riverside Pushawalla Canyon, Indio Hills. Shelf of canyon on the W side and below the main Palm group. Comment
  POM263932  Prosopis pubescens F. A. Barkley 1939-5-20 4210 Riverside Roadside 4 miles E. of Blythe Comment
  SD216522  Prunus fasciculata Jay B. Walker 1995-5-4 1411 Riverside San Bernardino National Forest; 1 kilometer south of Pinyon Flat Campground 1299 Comment
  UCR92194  Prunus ilicifolia subsp. ilicifolia D. L. Banks, Peter L. Morrell 1995-5-4 0298 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., east of the Dripping Springs Alcove Area, a;ong the Woodchuck Trail 549 Comment
  RSA799243  Psathyrotes ramosissima Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 736 Riverside South side of the Mecca hills, side canyon roughly 1.3 miles north of turnoff for Painted Canyon on Box Canyon Road 113 Comment
  SBBG39386  Psathyrotes ramosissima E. R. Chandler 1970-10-22 Riverside Palm Cyn, S of Palm Springs Comment
  UC90699  Psathyrotes ramosissima unknown Nov 1891 Riverside Salton Comment
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Sep 11 2011
  RSA559456  Pseudognaphalium biolettii Steve Boyd 1992-5-4 7211 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  RSA736540  Pseudognaphalium biolettii Scott D. White 2004-4-26 10263 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. 518 Comment
  SD262210  Pseudognaphalium biolettii Mitch Provance, Matt K. Beyers 2017-6-8 617 12 Riverside Temescal Valley: Indian Wash, SW of I-15, S side of De Palma Rd., about 0.2 mi WNW of inter. with Glen Eden Rd. (Alberhill 7.5'Q) 366 Comment
  SDSU12871  Pseudognaphalium biolettii Jill J. Steinberg, Janet Knotts & Kevin Contreras 1998-3-25 25 Riverside A few feet from switchback in raod from Santa Margarita (SDSU) Field Station trailer leading dow n into Santa Margarita River Gorge, north of river. 256 Comment
  UCR26135  Pseudognaphalium biolettii John C. Roos 1952-2-29 5374 Riverside Reche Canyon Comment
  UCR41231  Pseudognaphalium biolettii N. M. Fellows 1985-1-5 67 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mtn., 1 mi west of Snow Creek Village 506 Comment
  UCR281249  Psilocarphus brevissimus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 37 Riverside Perris-Aguanga Basin, Menifee, SE corner of Musick Rd. and Murrieta Rd. 454 Comment
  SD262212  Psilocarphus chilensis Mitch Provance, Matt K. Beyers, John Hazlett, Jeremiah George 2017-5-25 517 54 Riverside Elsinore Trough: Undeveloped area just NNE of Peter Lehr Drive at Diamond Circle, above the E side of the San Jacinto River (Lake Elsinore 7.5'Q) 387 Comment
  CAS-BOT-BC346362  Psorothamnus Marcus E. A M Jones 1925-9-7 s.n. Riverside Palm Spring Comment
  UCR35008  Psorothamnus arborescens var. simplicifolius L. B. Ziegler 1968-6-3 305 Riverside San Jacinto Mtns., Bautista Canyon, near mouth of canyon 640 Comment
  RSA517250  Psorothamnus emoryi Steve D. Boyd 1986-2-18 1320 Riverside Mecca Hills, Colorado Desert: Painted Canyon N of Highway 195. Comment
  RSA784719  Psorothamnus emoryi Duncan S. Bell 2012-3-18 3206 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  SBBG68076  Psorothamnus emoryi R. Hoffmann 1928-10-21 Riverside below Fig Tree John's [Figtree John Spring] -60 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
  RSA0127784  Psorothamnus emoryi G. Rink 2013-3-29 11920 Riverside About ten miles west of Blythe, along the T-line for the proposed Quartzite solar power plant. 110 Comment
  CAS-BOT-BC340869  Psorothamnus schottii Margaret Stason 1927-3-12 s.n. Riverside Painted Canyon, Colorado Desert Comment
  RSA0031550  Psorothamnus schottii Duncan S. Bell 2013-1-30 4440 Riverside The Mecca Hills; in an unnamed canyon between Thermal Canyon and Painted Canyon, just to the west of Mecca Hills peak 1642. 138 Comment
  POM96856  Psorothamnus schottii Philip A. Munz 1926-1-1 10816 Riverside Thousand Palms. Comment
  RSA404272  Psorothamnus spinosus Ora M. Clark 1929-2-22 1587 Riverside Sandy desert valleys. So. of Palm Springs. Colorado Desert. Comment
  SEINET951768  Pteridaceae Norman C. Cooper 1944-1 1085 Riverside Andreas Canyon, Riverside County 457 Comment
  SD144439  Pterostegia drymarioides Andy C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19889 Riverside Lake Skinner Area, lower Rawson Canyon, NE of the lake and SW of Black Mtn., along the road 518 Comment
  SD232312  Pterostegia drymarioides Michael Wall 2003-4-15 266 Riverside Peninsular Ranges; San Jacinto Mountains region: Lamb Canyon west of Beaumont off Hwy. 79, 5.2 miles south Jct. with 10 Fwy, up dirt road at turnout along west side of Hwy. 601 Comment
  UCR138649  Pterostegia drymarioides D. L. Banks 1997-3-29 1619 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Headwaters of Pala Creek at the S extremity of the Reservation, north of the Riverside/San Diego Co. line, west of the intersection of Magee Truck Trail and Moreno Rd including a large area of vernally wet grassland at the extreme SW corner of the Reservation 409 Comment
  UCR82892  Pulicaria paludosa A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15820 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  CAS-BOT-BC61816  Quercus agrifolia Louis C. Wheeler 1964-11-28 8649 Riverside Temescal valley: Wright Ranch Comment
  OBI74435  Quercus berberidifolia David J. Keil 1983-4-15 16907 Riverside East of Temecula on SR 79 Comment
  RSA479914  Quercus berberidifolia Steve Boyd 1987-11-23 2098 Riverside Mt. Russell, N of Lake Perris, Moreno Valley. 762 Comment
  UCR182502  Quercus berberidifolia Andrea Salzman, Ricky Escobar, et al 2006-4-10 44 Riverside Peninsular Range, Agua Tibia Wilderness at Arroyo Seco, c. 0.5 mi. south of Dripping Springs Guard Station 518 Comment
  UCR264645  Quercus berberidifolia Mitch Provance 2012-4-27 412- 17 Riverside The Badlands, Mt. Davis, southwest of Beaumont, about 1 mi S of I-10 and SR-60 interchange, just E of Davis Mountain Dr. and S of Westward Ave. 799 Comment
  SEINET10678004  Quercus chrysolepis Tracy Scott, Andrew Townesmith; Karen M. Meyer 2007-3-15 Scott 131 Riverside San Bernardino National Forest. 14.5 mi. S on Rt. 243 from US 10, at pulloff next to Soboba Penny Pine Plantation. 1602 Comment
  UC1010216  Quercus cornelius-mulleri John C. Roos 1947-12-13 3765 Riverside Lost Palms Wash Colorado Desert, Eagle Mts. 762 Comment
  UCD45613  Quercus cornelius-mulleri W. L. Jepson 1914-5-1 6001 Riverside Canyon at Pinyon Well (in mts. N. of Indio). Mohave Desert. Comment
  RSA697630  Quercus dumosa Unspecified 1928-12-4 396 Riverside 3/4 mi. West of Split Rock. Comment
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Oct 23 2011
  RSA476821  Quercus engelmannii N. C. Cooper 1947-4-5 2105 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  HSC101787  Quercus john-tuckeri J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13204 Riverside Along State Route 74 1558 Comment
  SFV889  Quercus kelloggii P. G. Kilburn 1958-5-30 830 Riverside San Jacinto Mountains Mount San Jacinto, 5 miles north of Idlewild. Fern Basin Campground. 1890 Comment
  SBBG11833  Quercus palmeri D. E. Breedlove 1961-8-5 952 Riverside 2.7 mi N of Anza Rd, St Hwy 74 1310 Comment
  UC1135774  Quercus palmeri A. E. Wieslander 1938-5-5 735 Riverside Van Deventer Flat Thermal Quad. 1493 Comment
  SEINET3071475  Quercus turbinella Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17493 Riverside Queen Mountain quadrangle, zone 11 0585690mE 3765105mN NAD83, Desert Queen Mine (McHaney's Mine), 12.5 km SSW of Twenty Nine Palms, 1.3km ESE of Negro Hill 1325 Comment
  UCR152520  Rafinesquia californica A. C. Sanders 2005-4-22 29592 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR177940  Rafinesquia californica Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 530 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  UCR42393  Rafinesquia neomexicana D. C. Hawks 1986-4-16 s.n. Riverside San Bernardino Mtns / Sonoran (Colorado) Desert, Alta Mesa wind turbine field, on the ridge above Whitewater Canyon, west of Bonnie Bell 915 Comment
  UCR1190  Ranunculus californicus Civerolo 1960-4-10 s.n. Riverside Santa Ana Mtns., 3.25 mi west of Murrieta on Tenaja Road toward San Mateo Canyon Comment
  RSA400245  Ranunculus cymbalaria var. saximontanus Gale Sphon 1955-5-22 s.n. Riverside Hemet Meadow. Comment
  UC1618122  Ranunculus cymbalaria var. saximontanus Donald G. Nelson 1936-5-22 392 Riverside Pines to Palms Hwy, near base of Santa Rosa Mountains Santa Rosa Mountains Comment
  SDSU12880  Raphanus sativus J. Jill Steinberg, Leon Steinberg 1998-4-5 38 Riverside Ca. 1/4 mile along northern border of Santa Margarita (SDSU) Field Station north of gorge. Specimen was taken from a large patch of plants most of which were tamped down, perhaps by a deer or other large animal. 317 Comment
  RSA0085044  Raphanus sativus Mary Duke, Christy Hightower, Cecilia McElroy 1982-5-15 7 Riverside CA Hwy 74, just off highway E of Elsinore, 1 mi W of Hwy 15. Comment
  UCR131792  Ratibida Mitch Provance 1998-6-20 753 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
  RSA543204  Rhamnus crocea Steve Boyd 1991-3-17 5481 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  SDSU13624  Rhamnus crocea W. Miller 1972-8-24 Riverside Northwest corner above small valley. Comment
  UCR140689  Rhamnus crocea Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 8- 58 Riverside San Jacinto Mtns, San Bernardino National Forest, Hwy 74 near Cranston Guard Station, 10 miles east of Hemet, Site L8 581 Comment
  RSA772006  Rhamnus ilicifolia Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4965 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
  UCR270189  Rhamnus ilicifolia A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42405 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site 488 Comment
  POM320387  Rhododendron occidentale Anonymous 1968-11-3 s.n. Riverside Fulmor Lake, San Jacinto Mountains Comment
  UCSB3773  Rhus aromatica Newby, Ron 1959-5-17 Riverside 12 miles N from Pinon Flats on highway 74 growing along roadside; in the San Jacinto Mountains 1219 Comment
  CLARK-A1528-1412  Rhus integrifolia John C. Roos 1944-1-29 2766 Riverside Box Springs Mountains 774 Comment
  VVC689  Rhus lancea P. J. MacKay, T. Thomas 1997-2-8 107 Riverside Sonoran Desert, Palm Springs, Murray Canyon; at edge of creek btw palm groves 243 Comment
  LA62867  Rhus ovata Harlan Lewis; 1939-10-23 1040 Riverside Santa Rosa Mountains, Pinyon Flats, Pines to Palms Highway 1219 Comment
  RSA13815  Rhus ovata Victor Duran 1933-7-3 3498 Riverside 2 miles east of Pinyon Flat, Santa Rosa Mountains. 1067 Comment
  UC1002628  Rhus ovata Alice Yates and Jas. E. Wilcox 1954-1-29 Riverside Whitewater Canyon 457 Comment
  RSA476255  Ribes californicum var. hesperium E. Crow 1929-3-17 212 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  SD67910  Ribes cereum Reid Moran 1968-8-3 15352 Riverside Occasional on northeast slope, ridge 1.0 mile northwest of Toro Peak. 2250 Comment
  CAS-BOT-BC173131  Ribes indecorum A. C. Sanders; G. Waines; B. Ehdaie; A. Aryavand 1997-3-12 19905 Riverside Lake Skinner area: upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley 595 Comment
  RSA3121  Ribes indecorum Carl B. Wolf 1932-2-11 2650 Riverside Hidden Canyon 5 mi. W. of Corona at base of Santa Ana Mts. 405 Comment
  UCR102735  Ribes indecorum B. G. Pitzer 1998-1-25 3427 Riverside Lakeview Mtns, Pulsar View Road, c. 0.5-0.75 mile uphill from the water tank at base of hills on Warren Road; c. 1 mile (airline) north of Juniper Flat Road 610 Comment
  CAS-BOT-BC168946  Ribes malvaceum Steve Boyd 1981-3-13 186 Riverside Gavilan Hills region, western flank of Estelle Mountain in steep canyon at the border of NW 1/4 sec. 5 and NE 1/4 sec. 6 609 Comment
  CAS-BOT-BC219233  Ribes nevadense Nancy Ryan Zabriskie; Walter Zabriskie 1971-5-16 406 Riverside Beside Banning Road below Pine Cove, W slope San Jacinto Mountains 1524 Comment
  LA205623  Ribes nevadense Carl Epling; William Robison 1935-6-30 sn Riverside above Marion Camp, Mt. San Jacinto Comment
  RSA134226  Ribes nevadense Peter H. Raven, Richard Snow 1957-7-26 11114 Riverside Along stream 2.0 mi. S of Vista Grande Ranger Station, Banning-Idyllwild road, San Jacinto mts. Comment
  RSA171333  Ribes roezlii J. D. Olmsted 1962-5-3 3500 Riverside San Jacinto Mts, Rnear top fo Thomas Mt. 1951 Comment
  UCR79260  Ribes speciosum Steve Boyd, Orlando Mistretta 1992-4-22 7011 Riverside Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area. Indian Potrero Trail S from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon 701 Comment
  RSA575833  Rorippa curvisiliqua Steve Boyd 1981-5-15 s.n. Riverside Gavilan Hills region, Temescal Canyon at the confluence of 'Estelle Creek' and Temescal Creek, just northwest of the entrenched meander of Temescal Creek at the western Base of Estelle Mountain 317 Comment
  UC1921996  Rosa californica Scott D. White, Angelia Carey 2004-5-7 10334 Riverside San Jacinto Mountain Foothills: Indian Creek and adjacent foothills. Comment
  UC914715  Rosa californica I. W. Clokey and E. G. Anderson 1935-8-21 6743 Riverside North Fork San Jacinto River 1500 Comment
  UCR151043  Rosa californica Scott D. White 1998-7-31 6940 Riverside San Jacinto Mts., Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park 1951 Comment
  SEINET239057 Image available Rostraria cristata Mitch Provance 1998-3-20 174 B Riverside Riverside area: Jurupa Mtns. pass west of Rattlesnake Mtn. along the E side of Armstrong Rd. ca. 1/8 mi. S of the San 313 Comment
  CAS-BOT-BC147177  Rubus parviflorus H. E. McMinn 1925-7-2 1506 Riverside Tahquitz Trail - Mt. San Jacinto from [Idylwild] Idyllwild Comment
  UCR23506  Rubus parviflorus John C. Roos 1942-6-20 991 Riverside San Jacinto Mtns., Dark Canyon, N Fork San Jacinto River Comment
  RSA507469  Rumex acetosella Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mountains, Garner ranch Property on Hwy 74, less than 1 mile SE of the jct. with Hwy 243 Comment
  UCR90768  Rumex crispus D. E. Bramlet 1992-5-15 2280 Riverside Perris-Aguanga Basin region, Pipeline seep located south of Lakeview Hot Springs and just south of the MWD access road, some 833 m. west of the San Jacinto River and 433 m east of the intersection of Pozos Rd. and the MWD pipeline maintenance road Comment
  UCR96710  Rumex crispus A. C. Sanders 1997-3-1 19725 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  UCR116591  Rumex obtusifolius A. C. Sanders, T. B. Salvato 2001-5-24 24368 Riverside Perris-Aguanga Basin, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. [Calle] Pina Colada 345 Comment
  UCR182861  Rumex violascens Mitch Provance, Brett Provance 2005-5-27 5701 Riverside San Bernardino Valley, Riverside (Arlington Heights area), SE corner of Cleveland Ave. and Irvine St. (inc. about 50 yards E on Cleveland) 277 Comment
  JEPS65654  Rupertia rigida Marjorie D. Clary 1932-7-4 993 Riverside road to Burnt Valley (Santa Rosa Mountains); Santa Rosa Mountains 1371 Comment
  RSA640316  Sagittaria latifolia L. C. Wheeler 1931-7-30 s.n. Riverside Fairmount Park. Comment
  UC116556  Salicornia subterminalis S. B. Parish 1897-6-18 4465 Riverside Menifee Comment
  HSC66447  Salix exigua Christopher Davidson, B. Gustafson 1977-4-7 593 Riverside Whitewater Canyon Road, (exit from I-10, 2.5 mi. W of junction I-10 with State 62, near start of Angeles Crest Trail.) 610 Comment
  POM248440  Salix exigua Philip Crow 1939-7-13 s.n. Riverside Blythe. Comment
  RSA0010966  Salix exigua var. exigua Mary F. Spencer 1918-4-7 812 Riverside Palm Springs. 168 Comment
  UC494349  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-12 600 Riverside 4.8 km. n Arlington (on rd. to Pedley, 4 mi w of Riverside, e side of bridge over Santa Ana R., down embankment either side of hwy.) 240 Comment
  UC846161  Salix exigua var. hindsiana Crawford and Johnston 1917-6-9 1244 Riverside Santa Ana R. near Corona; Santa Ana R Comment
  UCR136165  Salix gooddingii A. C. Sanders 2004-6-20 28219 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 305 Comment
  UCR171977  Salix gooddingii John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula, Long Canyon, Southern California Edison right of way between residential areas, south of Rancho California Road and east of Margarita Road 366 Comment
  RSA0014930  Salix laevigata LeRoy Gross, Caitlin Elam 2013-5-14 6179 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
  RSA613315  Salix laevigata D. L. Banks 1997-3-1 1380 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
  UCR150023  Salix laevigata Scott D. White, Angelia Carey 2004-5-7 10348 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  JEPS14747  Salix lasiandra var. lasiandra Marjorie Clary 1934-3-3 Riverside 18 mi w Indio (Carrizo Canyon) 304 Comment
  CAS-BOT-BC128450  Salix lasiolepis var. lasiolepis Frank W. Peirson 1933-4-14 10648 Riverside Banning - Idlewild Road 1524 Comment
  UCR160884  Salix lucida subsp. lasiandra T. B. Salvato, Kelly Volansky 2004-11-17 113 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  UCR103730  Salsola australis A. C. Sanders 1997-3-19 20035 Riverside Lake Skinner area, S foot of Bachelor Mtn., across the northern arm of the lake from the boat ramp, from dirt track down to lakeshore 457 Comment
  UCR45119  Salsola paulsenii L. F. LaPre 1986-9-25 s.n. Riverside Sonoran (Colorado) Desert, Cabazon Indian Reservation, adjacent to Southern Pacific R.R. tracks, c. 1 mi NW of Mecca, between Buchanan and Lincoln Sts., Coachella Valley 52 Comment
  UC1537501  Saltugilia australis Gordon H. True Jr. 1935-3-19 131 Riverside 6 mi se Perris; se of Perris 487 Comment
  CAS-BOT-BC232920  Saltugilia latimeri Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway, Mount San Jacinto Comment
  RSA0093834  Saltugilia latimeri A. C. Sanders 2006-5-13 32282 Riverside Peninsular Range. UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank. 457 Comment
  UCR37127  Salvia X bernardina K. R. Neisess 1983-6-16 505 Riverside Perris Basin, Motte Reserve, 2.5 mi. NW of Perris 579 Comment
  HSC78534  Salvia apiana J. C. Roos 1965-6-13 Riverside Dos Palmas Spring 915 Comment
  SD137723  Salvia apiana Darin L. Banks, Steve Boyd 1995-6-2 577 Riverside Agua Tibia Wilderness Area; north face of north peak of Agua Tibia Mountains, on the Woodchuck Trial north of the Riverside County boundary. 744 Comment
  HSC78990  Salvia columbariae K. Berg 1981-5-1 357 Riverside San Jacinto Mtns. along Banning-Idyllwild Hwy. (243) below Mt. Eden Comment
  RSA49367  Salvia columbariae P. A. Munz 1949-4-11 12994 Riverside North base of Eagle Mtns. Mojave Desert. 945 Comment
  RSA770849  Salvia columbariae Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4939 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 823 Comment
  SFV4255B  Salvia columbariae W. A. Emboden, Jr. 1962-4-26 2050 Riverside Roadside 2 miles west of Anza on road from Anza to Highway 79. -15 Comment
  UCR156277  Salvia columbariae T. B. Salvato, Kent Beaman 2005-5-16 850 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
  UCR91454  Salvia columbariae Scott D. White 1995-3-30 2670 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  UCSB5781  Salvia columbariae Van Leeuwen, Henry 1957-4-13 Riverside about 2 miles south of junction of US 60 and California Hwy 195 Comment
  SEINET7040183  Salvia columbariae A. G. Vestal 1962-3-29 Riverside 0.4miles east of Murrietta [on Murrietta Hot Springs road]. Murrieta Quad. UTM Zone 11, 482619mE, 3712809mN. Comment
  JEPS62710  Salvia dorrii var. dorrii Marjorie D. Clary 1932-5-13 1584 Riverside Lost Horse Canyon Conchilla Range (n side of Conchilla Range) 1219 Comment
  UC63769  Salvia eremostachya H. M. Hall May 17 1901-Jun 1 1901 1863 Riverside e base San Jacinto Mts. 609 Comment
  UCSB5789  Salvia eremostachya Wilson, Richard 1958-5-18 Riverside 5 miles East of Pinon Flats Comment
  CLARK-A1528-3117  Salvia greatae John C. Roos 1958-3-29 Riverside Coachella Canal Comment
  RSA637525  Salvia leucophylla Scott D. White 1998-9-4 7101 Riverside Beaumont: Oak Valley Golf Course Flood detention basin along intermittent channel just above (i.e N side) of golf course. 762 Comment
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Jun 8 2020
  RSA27574  Salvia mellifera C. L. Hitchcock 1940-4-12 6047 Riverside 8 mi. northwest of Elsinore 457 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
  UCR199573  Salvia mellifera Scott D. White, Angelia Carey 2004-7-2 10588 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  UC575070  Salvia mohavensis C. Epling and Wm. Robison 1933-6-27 Riverside 5 mi s Gold Coin Mine; Little San Bernardino Mts. Comment
  CDA40964  Salvia vaseyi T. C. Fuller 1963-4-23 10289 Riverside San Jacinto Mountains; Carrizo Canyon, Highway 74 to Pinyon Flat, south of Palm Desert. 0 Comment
  SEINET12327259  Salvia vaseyi P. H. Raven 1958-1 12929 Riverside SW of Palm Desert 10.2mi on State Hwy 74, San Jacinto Mts 762 Comment
  JEPS12745  Sambucus mexicana W. L. Jepson 1939-4-19 19207 Riverside Aguanga 731 Comment
  UCR174124  Sambucus mexicana A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32585 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  CAS-BOT-BC238854  Sambucus nigra subsp. caerulea Wayne Law; Jun Hu 2000-5-16 21 Riverside Peninsular Ranges; Santa Ana Mtns.: Eastern edge of Cleveland National Forest, above Temescal Valley in Indian Canyon, 11.8 mi S of Corona 396 Comment
  POM15039  Sanicula bipinnatifida Mary F. Spencer 1922-4-25 427 Riverside Lamb Canyon Pass, Banning. Comment
  RSA0048661  Sanicula menziesii Keith E. Hoffmaster 1934-4-8 141 Riverside Santa Ana Mts. [Orange or Riverside County] Comment
  UCR159888  Sarcostemma hirtellum Scott D. White 1999-4-20 7278 Riverside Colorado River Valley, Blythe area, Southern foothills of the Big Maria Mtns, NW of Calif. Hwy 95, c. 7 road mi N of the junction of Hwy 10 and Intake Blvd in Blythe 137 Comment
  UCR16812  Satureja chandleri James Maragos 1965-4-28 s.n. Riverside Santa Ana Mtns., San Mateo Canyon [Tenaja] Road, one mi. from Murrieta 335 Comment
  UCR189553  Satureja chandleri Diane Menuz 2006-6-6 141 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, Miller Canyon, 1 hour hike from road 549 Comment
  LA105131  Saxifraga Frank C. Vasek; 1987-7-14 Riverside San Jacinto Mountains, San Jacinto Mountains, Vista Grande Road (3S08) 1.0 mi E of Banning-Idyllwild Road (SH243) 1523 Comment
  GMDRC3551  Schismus barbatus J. Andre, T. La Doux 2009-2-25 10812 Riverside Chuckwalla Mountains: growing on rocky (granitic) north-facing slope, approx 0.5 mi. south of I-10 freeway at Eagle Mtn Rd exit, USGS 7.5 min. Quad: Desert Center 33 deg. 41.303' N 115 deg. 27.236' W. Elev. 1358 ft. 414 Comment
  RSA524430  Schismus barbatus Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4046 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA709897  Schismus barbatus Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4598 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  SEINET212601 Image available Schismus barbatus N. H. Holmgren, PK Holmgren; R. E. Kern 1973-3-22 6496 Riverside Rice Valley 7 miles sout-southwest of Rice 274 Comment
  UC1547006  Schismus barbatus Leila M. Shultz, John S. Shultz 1985-4-17 8317 Riverside Chuckawalla Valley, along Wiley's Well Road Chuckawalla Valley; , Wiley's Well Road 121 Comment
  UCR56085  Schismus barbatus J. A. Adams 1966-3-12 451 Riverside Sonoran (Colorado) Desert, Coachella Valley; Hwy 74, 2 mi above Palm Desert 216 Comment
  RSA289842  Schoenoplectus maritimus B. A. Prigge 1980-9-17 4072 Riverside Coachella Valley Stormwater Channel: E of Munroe St., Indio. -3 Comment
  POM1421  Scirpus acutus var. occidentalis D. L. Crawford, I. M. Johnston 1917-6-9 1226 Riverside Santa Ana River near Corona Comment
  UC483743  Scirpus americanus F. R. Fosberg 1932-3-13 8079 Riverside Coachella Valley , Coachella Valley (Thousand Palms Canyon) Comment
  UCR207610  Scirpus robustus O. F. Clarke 2004-5-7 s.n. Riverside Peninsular Range; San Jacinto Valley, San Jacinto Wildlife Area 442 Comment
  JEPS11409  Scrophularia californica subsp. floribunda W. L. Jepson May 17 1901-Jun 1 1901 1216 Riverside Riverside Comment
  RSA155809  Scrophularia californica subsp. floribunda Peter H. Raven 1962-4-29 17486 Riverside Ortega Highway 1 mi. above its east base. 488 Comment
  UCR57203  Scutellaria bolanderi Jeri Hirshberg 1989-6-9 s.n. Riverside Santa Ana Mtns, Santa Rosa Plateau: south of town of Murrieta, head of Cole Canyon, NW of Mesa de Burro Comment
  SD51951  Scutellaria bolanderi subsp. austromontana Reid Moran 1962-7-7 9852 Riverside 2 miles SW of Idyllwild, in shade by Strawberry Creek 1550 Comment
  UCR193422  Scutellaria bolanderi subsp. austromontana A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35641 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  CAS-BOT-BC341107  Scutellaria mexicana H. M. Hall 1905-4-1 5861 Riverside Colorado Desert. Near Canon [Canyon] Springs Comment
  UCR213681  Secale cereale Justin M. Wood 2009-5-11 701 Riverside San Jacinto Mountains, McMullen Flat area, 0.35 N on Valley Hi Dr., from intersection w/ Twin Pines Rd. 1201 Comment
  CAS-BOT-BC69804  Selaginella bigelovii Milo S. Baker 1928-4-3 2787 b Riverside Palm Canyon. Comment
  CAS-BOT-BC62082  Selaginella eremophila S. B. Parish 1882-1-1 s.n. Riverside San Jacinto Mt., Palm Springs Comment
  CAS-BOT-BC323996  Senecio flaccidus var. douglasii Edmund C. Jaeger 1921-7-15 s.n. Riverside Massacre Canon near San Jacinto. Comment
  UCSB7410  Senecio flaccidus var. douglasii Ferris, R.; Bacigalupi, Rimo 1953-4-20 Riverside Road to Las Palms Canyon, ca. 4 miles N. of Shaver Summit Comment
  UC831925  Senecio flaccidus var. monoensis C. L. Hitchcock 1940-4-5 5964 Riverside 3 mi below Cottonwood Springs Comment
  RSA614174  Senecio ganderi D. L. Banks 1997-2-17 1285 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Approximately 200 m east of Magee Truck Trail, along a crushed bruch track from a native Stipa grassland at the southern border of the reservation., Just north of the Riverside / San Diego County line border. 481 Comment
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Jun 4 2012
  CAS-BOT-BC364136  Senecio mohavensis Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2197 Riverside Northwest end of the McCoy Mtns, NW of Blackjack Mine 400 Comment
  UCR13319  Senecio mohavensis O. F. Clarke 1973-4-1 s.n. Riverside Sonoran (Colorado) Desert, Plateau above Box Canyon, along State Hwy 195, c. midway between Hwy I-10 and the Salton Sea Comment
  RSA449948  Senecio vulgaris J. C. Roos 1967-2-7 s.n. Riverside City of Hemet. Comment
  JOTR16704  Senna armata Walters, Jim 1967-4-30 s.n. Riverside Joshua Tree National Park. MIDDLE WILSON CANYON 883 Comment
  UCR126000  Senna artemisioides Robert Hamilton 2003-2-6 s.n. Riverside Riverside, vacant field on Monroe St. SE of California Ave. 232 Comment
  RSA518291  Sesbania exaltata George K. Helmkamp 1989-9-16 s.n. Riverside W side of State Hwy. 78, 0.7 mi. N of Palo Verde. Palo Verde. 75 Comment
  UCR145573  Sesbania herbacea Chet McGaugh 2004-11-15 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, 1 mile south of Thermal, parcel bounded by Ave. 58 & Ave. 60 on the north and south and by Polk and Filmore on the west and east, between the airport and Whitewater River -41 Comment
  SEINET238185 Image available Sesuvium verrucosum T. B. Salvato, A. C. Sanders; Mitch Provance 2000-1 45 Riverside Coachella Valley: 50th St. ca 1 mi W of Filmore, 1.5 mi E of town of Coachella. -24 Comment
  UCSB39336  Sesuvium verrucosum Jorgensen, Jan 1982-3-23 Riverside Desert Beach along highway 111, Salton Sea 70 Comment
  UCR4568  Setaria parviflora O. F. Clarke 1959-8-6 590806- 01 Riverside Riverside, residence of O.F.Clarke, 1012 Spruce St. 300 Comment
  POM282905  Sidalcea malviflora Lyman Benson 1932-3-26 3182 Riverside Summit Temecula Grade. 610 Comment
  POM2904  Sidalcea malviflora subsp. sparsifolia P. A. Munz 1918-4-27 2144 Riverside Corona Comment
  CHSC117998  Sidotheca trilobata R. F Thorne; W. Wisura, Dave Mitchener 1982-1-1 55191 Riverside Peninsular Ranges; Santa Ana Mountains region: Cleveland National Forest, along Main Divide Truck Road. 915 Comment
  RSA583744  Silene antirrhina Steve Boyd 1995-4-24 8487 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on northern flank of Agua Tibia Mountain at the north base of Wildhorse Peak, along the Wildhorse Trail near the northeastern corner of the Wilderness. 671 Comment
  UC1951108  Silene laciniata Scott D. White, Justin Wood 2009-5-22 12917 Riverside SAN JACINTO MOUNTAINS: Old Control Road, above Halfway Spring. USGS Blackburn Canyon 7.5' Quad. Comment
  POM161560  Silene parishii var. viscida Ralph Hoffmann 1929-9-6 s.n. Riverside Tahquitz Valley, San Jacinto Mts. 2438 Comment
  RSA5511  Silene parishii var. viscida C. B. Wolf 1932-8-5 3981 Riverside Rocks at summit of San Jacinto Peak 3294 Comment
  RSA506436  Silene verecunda subsp. platyota Kathy Harper 1988-6-11 s.n. Riverside San Jacinto Mountains, on Thomas Mtn Rd., S of Thomas Mtn. Lookout. Comment
  UCSC000256  Silene verecunda subsp. platyota I. J. Condit 2010-6-22 s.n. Riverside San Jacinto Mts. 2438 Comment
  SEINET3148929  Silybum marianum W. B. Crockatt sn Riverside Prado 91 Comment
  RSA27976  Simmondsia chinensis C. Leo Hitchcock 1940-3-31 5891 Riverside Between Cottonwood Spring and Pinto Basin. Comment
  SDSU11067  Simmondsia chinensis Joan Godsil 1953-1-18 553 Riverside Joshua National Monument, 29 Palms to Cottonwood Springs Hwy. 1143 Comment