Search Results — 2000 specimen records retrieved (1902 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCSB14  Abies concolor Tribbey, Bert 1960-5-14 Riverside Black Mountain; San Jacinto Range 2133 Comment
  CAS-BOT-BC229329  Abronia villosa L. R. Abrams 1913-7-16 5010 Riverside Between Elsinore & Corona, Riverside Canyon Comment
  RSA461029  Abronia villosa Christopher Davidson 1979-4-4 7674 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  SFV1119  Abronia villosa P. G. Kilburn 1959-5-16 797 Riverside Colorado Desert Agua Caliente Indian Reservation land some 5 miles south of Palm Springs at fork in road where Andreas Road meets Palm Canyon Road. 175 Comment
  CLARK-A1528-3255  Abronia villosa var. aurita John C. Roos 1942-6-20 1279 Riverside San Jacinto Valley Comment
  GMDRC6584  Abronia villosa var. aurita J. M. Andre 2012-6-15 30546 Riverside San Jacinto Mountains: west slopes of range along Poppet Flat Rd, Poppet Creek canyon, 3.2 mi. west of Hwy 243 1022 Comment
  RSA655629  Abronia villosa var. aurita A. C. Sanders 2000-3-19 23315 Riverside Diamond Valley, off old Rawson Rd. N of Crown Valley, on future bed of Diamond Val. Reservoir, now filling 485 Comment
  RSA747727  Abronia villosa var. aurita Justin M. Wood 2009-3-26 395 Riverside Western foothills of Mecca Hills, +/- 0.5 air mile east of the Coachella Canal and 4 air miles S of the I-10 Freeway. 21 Comment
  RSA343356  Abronia villosa var. villosa F. R. Fosberg, M. H. Sachet 1983-4-23 64173 Riverside Whitewater Bridge. Comment
  SEINET937284  Abronia villosa var. villosa Leo A. Galloway 1970-1 1228 Riverside 23.5 miles southeast of Twentynine Palms in Joshua Tree National Monument. Comment
  UCR244443  Abronia villosa var. villosa Jim Andre 2012-4-16 20934 Riverside Southern Mojave Desert, Joshua Tree National Park; along Geotour Road, at north end of one-way loop in Pleasant Valley at foot (south end) of Hexie Mtns, 6.7 mi. south of (paved) National Park Loop Rd. 990 Comment
  SD146226  Abutilon theophrasti A. C. Sanders, Mitch Provance 1999-9-26 23105 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. southeast of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring. 433 Comment
  UCR16991  Abutilon theophrasti O. F. Clarke 1970-8-27 200 Riverside residence of Mrs. H.J. Baertschiger, Murrieta Comment
  UCR40263  Abutilon theophrasti Steve Boyd 1985-9-23 1189 Riverside Boyd residence, Good Hope Valley area, west of Perris. 488 Comment
  CAS-BOT-BC30908  Acamptopappus sphaerocephalus Joy Keck 1935-4-14 3837 Riverside Lower Morongo Canyon, Colorado Desert Comment
  LA202925  Acamptopappus sphaerocephalus Elizabeth McClintock; 1936-4-11 sn Riverside Pines to Palms Highway Comment
  RSA0119874  Acamptopappus sphaerocephalus Duncan S. Bell, Thomas Stoughton 2016-4-12 9232 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 3.5 air miles northwest of Rabbit Peak. 967 Comment
  CAS-BOT-BC260328  Achnatherum hymenoides Marcus E. Jones 1903-5-11 s.n. Riverside Colorado Desert. Whitewater, about station 304 Comment
  RSA423486  Achyronychia cooperi M. B. Dunkle 4980 Riverside Colorado Desert, east of Indio. Comment
  SFV4435  Achyronychia cooperi D. S. Verity, J. Turner, F. M. Ball 1964-2-15 s. n. Riverside East side of Salton Sea near Mecca Beach. About 6.5 miles north of Imperial County line. Comment
  SDSU13491  Acmispon argophyllus var. argophyllus Ryan Jacobson, Jeremy Mass 2000-10-24 Riverside Jeep trail along Stone Creek, Santa Margarita Ecological Reserve. 177 Comment
  UCD104140  Acmispon glaber var. brevialatus A. C. Sanders; T. B. Salvato, Mitch Provance 2003-4-4 25846 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 365 Comment
  SBBG3411  Acmispon heermannii var. heermannii H. and M. Dearing 1942-3-17 4833 Riverside Dos Palmas Cyn, near Palms to Pines Hwy Comment
  SEINET957539  Acmispon micranthus S. Boyd 1986-1 1795 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow. Gabbro substrate; Skunk Hollow vernal pool with silty clay. Comment
  OBI8348  Acmispon strigosus David J. Keil, Malcolm McLeod 1977-3-26 12013 Riverside 8 mi NW of lake Elsinore State Recreation area along Calif 71 Comment
  CAS-BOT-BC22563  Adenophyllum porophylloides H. M. Hall; Willis Linn Jepson 1901-5-17 1835 Riverside East base of San Jacinto Mountain 762 Comment
  UC1506075  Adenostoma sparsifolium R. T. Clausen 1963-4-21 63057 Riverside summit of ridge of granodiorite between Weber Valley and Reed Valley; Transverse Ranges 1150 Comment
  UCSB2736  Adenostoma sparsifolium Gill, Robert 1959-11-22 Riverside Pines to Palms Highway 1219 Comment
  CAS-BOT-BC69644  Adiantum capillus-veneris Louis C. Wheeler 1933-12-1 2295 Riverside Mouth of Tahquitz Canyon, San Jacinto Mts. 152 Comment
  RSA700466  Adiantum capillus-veneris M. E. Fishbein, Victor Steinmann, Ivonne Steinmann, Mark Porter, Stephen Dreher 1999-12-4 4103 Riverside Santa Rosa Mountains, Deep Canyon, just east of California 74. 823 Comment
  UCR151408  Adiantum jordanii D. L. Banks 1997-3-1 1355 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Pechanga Creek, east of the'Fiesta Grounds' to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation 427 Comment
  SD129152  Aegilops tauschii A. C. Sanders 1989-5-22 9491 Riverside Riverside, scarce annual weed in a dirt field east of Batchellor Hall on the University of California-Riverside campus. Comment
  RSA0121416  Agave deserti Duncan S. Bell, LeRoy Gross 2016-3-31 9186 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
  SD127982  Agrostis idahoensis Michael Curto 1989-8-6 600 Riverside San Jacinto Mountains, Fuller Ridge Trail. At springy north headwaters of Fuller Mill Creek. 2695 Comment
  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
  UCR43548  Aira caryophyllea R. F. Thorne, W. Wisura, E. W. Lathrop, S. Meury 1985-5-18 60656 Riverside Peninsular Ranges/Santa Ana Mtns, Santa Rosa Plateau: edge of Cleveland National Forest 610 Comment
  SBBG1743  Allenrolfea occidentalis H. and M. Dearing 1940-11-10 5019 Riverside Thousand Palms Cyn Comment
  CAS-BOT-BC434482  Allionia incarnata Carl B. Wolf 1932-4-27 3002 Riverside Colorado Desert. 17 mi. E. of Mecca, on Blythe Road. 152 Comment
  POM98810  Allionia incarnata P. A. Munz 1926-1-31 9957 Riverside Dos Palmos [Palmas] Spring. Comment
  UC3085  Allium fimbriatum var. fimbriatum H. M. Hall 1899-5-23 1156 Riverside Van de Venter's El Toro Desert Region, Van de Venter's 1402 Comment
  RSA0013615  Allium haematochiton LeRoy Gross, Duncan S. Bell 2013-4-30 6022 Riverside Surveyed from Apela Drive, right at junction of road to sewage disposal ponds, south to Strawberry Creek., Started near 33.73367N, 116.75074W. And ended at 33.72912N 116.75098W. 1510 Comment
  RSA262115  Allium haematochiton E. W. Lathrop 1971-3-24 7487 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  RSA777143  Allium haematochiton Steve Boyd 2010-5-16 12275 Riverside San Jacinto Mountains: Northwestern base of San Jacinto Mountains along Highland Springs Ave., 1.5 miles S of Breckenridge Ave, City of Banning. 732 Comment
  UCR79484  Allium lacunosum Steve Boyd, T. S. Ross 1992-5-15 7386 Riverside Southern Santa Ana Mtns., Southeastern flank of Elsinore Peak at 'Onion Hill,' a grassy knoll of clay soil c. 0.25 mi SE of radio towers, along old Main Divide Road track. 1021 Comment
  POM230635  Allium munzii I. W. Clokey, B. C. Templeton, C. B. Clokey 1930-4-15 4621 Riverside Gavilan Peak. 600 Comment
  RSA574739  Allium munzii Steve Boyd 1982-4-27 s.n. Riverside Gavilan Hills region, Temescal Canyon west of Horsethief Wash, south of Lee Lake on terrace escarpments just south of Di Palma Road. 396 Comment
  RSA770513  Allium munzii S. Mashayekhi, Steve Boyd, D. Buck, J. Mendosa 2010-4-22 SM 047 Riverside Top of Estelle Mt. Drainage to Dawson Canyon Comment
  RSA495447  Allium peninsulare Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2975 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  RSA180313  Allium peninsulare var. peninsulare E. W. Lathrop 1965-4-30 5699 Riverside 5 miles W of Murrieta. Alt 2000ft 610 Comment
  UCR118401  Allophyllum A. C. Sanders 1994-5-30 14605 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  RSA674662  Allophyllum divaricatum Scott D. White 2000-8-5 8113 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  RSA271885  Allophyllum glutinosum C. W. Tilforth, W. Wisura 1978-7-25 1650 Riverside Along Murrieta- De Luz Rd., west of Murrieta. 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
  RSA773667  Allophyllum violaceum Duncan S. Bell, J. D. England 2010-5-20 1030 Riverside San Bernardino National Forest: Garner Valley, approximately 2 miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1374 Comment
  SD236229  Alnus rhombifolia A. C. Sanders, D. L. Sanders 2008-9-27 36102 Riverside San Bernardino Valley Region: Santa Ana River bottom at Norco, between Corydon Av. (Fire Sta. 21) and a point NW of Vine St. & Halfmoon Ct. intersection, c. 1 mile NE of River Rd. bridge (Corona North 7.5'Q) 164 Comment
  UCR196896  Alnus rhombifolia A. C. Sanders, D. L. Sanders 2008-9-27 36102 Riverside San Bernardino Valley Region, Santa Ana Riverbottom at Norco, between Corydon Av. (Fire Sta. 21) and a point NW of Vine St. & Halfmoon Ct. intersection, c. 1 mile NE of River Rd. bridge 165 Comment
  RSA793469  Amaranthus albus Duncan S. Bell 2012-9-13 4193 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 Comment
  UC2015571  Amaranthus albus Scott D. White 1995-6-30 3438 Riverside Murrieta area, W Riverside Co. (Santa Ana Mtn. foothills) Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence. Comment
  UCR20719  Amaranthus albus A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 01314 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  POM319699  Amaranthus albus Patricia Wilder 1970-10-15 4789 Riverside Prado Dam at base of dam in Prado Flood Control Basin. East of Chino Hills 152 Comment
  SD236158  Amaranthus powellii A. C. Sanders 1999-9-26 23104 Riverside Peninsular Range; San Jacinto Mtns.: Garner Valley, along Hwy 74 at Horse Canyon Rd., toward east end of valley 1448 Comment
  UCD97750  Amaranthus retroflexus Steve Boyd; Tim Ross, Laurel Arnseth 1989-6-10 3662 B Riverside Vail Lake area, Temecula Creek canyon below the dam. 472 Comment
  POM263162  Ambrosia acanthicarpa J. C. Roos 1937-8-19 359 Riverside Thomas Valley, San Jacinto Mts. Comment
  SBBG7532  Ambrosia acanthicarpa H. and M. Dearing 1939-12-31 4049 Riverside ca. 5 mi N of Palm Springs Comment
  POM6766  Ambrosia dumosa Philip A. Munz 1919-5-7 2733 Riverside Palm Springs 198 Comment
  SD233253  Ambrosia dumosa Aaron C. Sedgwick, Duncan Bell 2012-9-12 117 Riverside Mojave Desert; Southcentral Mojave Desert region: Rice Valley - Take Rice/Blythe Rd. south about 3 mi. from Hwy. 62, then head E on an unmarked BLM road. 235 Comment
  UC896717  Ambrosia dumosa I. W. Clokey 1935-4-17 6729 Riverside Mecca to Shaver's Wells; ; as Mecca-Shafer Wells Comment
Read comments
Apr 24 2011
  UCR262464  Ambrosia dumosa A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41506 Riverside San Gorgonio Pass, north of San Gorgonio River wash, c. 3 miles east of Cabazon, south of I-10 and generally NE of water bottling plant 457 Comment
  RSA775105  Ambrosia ilicifolia Duncan S. Bell, Michael Hee 2011-3-18 2048 Riverside Chuckwalla Mountains; north side of mountain range approximately 3 air miles southeast of Desert Center. 392 Comment
  POM10301  Ambrosia psilostachya Anonymous 1903-10-19 385 Riverside Old stewart Ranch. West Riverside Comment
Read comments
Apr 7 2011
  POM249858  Ambrosia psilostachya E. C. Jaeger 1938-10-30 s.n. Riverside Mecca. -30 Comment
  UC468989  Ambrosia psilostachya R. L. Pendleton 1905-9-28 254 Riverside bottom Santa Ana River 243 Comment
  HSC87232  Ambrosia salsola Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2132 Riverside N end of the Palen Mtns., 2 mi. W of Palen Pass 300 Comment
  CAS-BOT-BC177260  Amorpha fruticosa Philip A. Munz 1937-5-30 15111 Riverside Dos [Palmos] Palmas Spring, north end of Santa Rosa Mts. 1097 Comment
  JEPS35502  Amorpha fruticosa C. V. Meyer 1928-8-2 628 Riverside wash of San Jacinto River base of San Jacinto Mt.; San Jacinto River, at base of San Jacinto Mt. 670 Comment
  UC489216  Amorpha fruticosa C. V. Meyer 1928-8-2 628 Riverside Idyllwild Grade San Jacinto River (foot) Comment
  UCR156287  Amorpha fruticosa T. B. Salvato, Kent Beaman 2005-5-16 839 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
  UCSB26801  Amorpha fruticosa Wilken, Dieter 1969-6-30 Riverside Road to Santa Rosa Mtn., 4.0 miles east of California State Highway 74, Santa Rosa Mtns. Comment
  RSA91359  Amorpha fruticosa F. W. Peirson 1919-4-12 702 Riverside Palm Canyon, near Palm springs. Comment
  UCR158315  Amsinckia intermedia A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30054 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
  UCR224456  Amsinckia intermedia A. C. Sanders, T. B. Salvato 2011-3-28 38808 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, between Sun City and Perris, from McLaughlin & Evans roads intersection east to I-215 Fwy 434 Comment
  POM96828  Amsinckia intermedia F. M. Reed 1926-5-8 5331 Riverside Near summit of Temescal Canyon highway. Comment
  UCR139717  Amsinckia tessellata B. G. Pitzer 1989-4-16 1303 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, just outside impact area, 1 km south of Tabaseca Tank 700 Comment
  JOTR30325  Amsinckia tessellata var. tessellata La Doux, Tasha, E. Babich, J. Galvin, B. Truesdell, N. Fraga, A. Miller, J. Van Warmerdam 2008-2-4 1769 Riverside Joshua Tree National Park. Stop #1: Hexie Mtns./Porcupine Wash. Open sandy wash near road heading to Cottonwood. 745 Comment
  JEPS49775  Amsonia tomentosa W. L. Jepson and W. C. Mathews 1914-5-17 5980 Riverside Lookout Mt. n. of Indio; Colorado Desert, Lookout Mt. Comment
  LA90398  Amsonia tomentosa William Shapeero; 1954-4-28 sn Riverside Joshua Tree National Monument Comment
  UC218011  Amsonia tomentosa P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4843 Riverside vicinity of Corn Springs Corn Springs; Colorado Desert, Chuckwalla Mts. 762 Comment
  UCSB54163  Amsonia tomentosa McKinley, Gale 1985-3-26 Riverside 100 yards east of site #9 in Ryan campground in Joshua Tree National Monument 1280 Comment
  POM115624  Amsonia tomentosa var. tomentosa A. M. Alexander, Louise Kellogg 1941-4-29 2102 Riverside Ten miles south of 29 Palms. 1159 Comment
  RSA450911  Anagallis arvensis Stephen M. Beckstrom-Sternberg 1986-12-2 1115 Riverside UC Riverside, growing in bank next to glasshouse # 20. Comment
  UCR100026  Ancistrocarphus filagineus A. C. Sanders, G. Helmkamp 1997-3-15 19999 Riverside Peninsular Range, Lake Skinner, SE foot of Bachelor Mtn., just north of the lake 600 Comment
  CAS-BOT-BC400338  Anemopsis californica A. C. Sanders; D. Bramlet; Mihai Costea; T. Salvato 1999-10-15 23183 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1 mile W of Jackrabbit Trail on Gilman Springs Rd., 0.4 mi. W of Quail Lake Golf C. entrance, 2 mi. WNW of Eden Hot Spr. 436 Comment
  RSA191453  Anemopsis californica E. W. Lathrop, R. F. Thorne 1967-9-26 6637 Riverside 6 miles NW of Murrieta. Comment
  UC485492  Antennaria argentea A. W. Anthony 1899-1-1 Riverside San Jacinto Mt. Comment
  UC146535  Antennaria rosea H. M. Hall 1901-7-1 2401 Riverside San Jacinto Mountains 2834 Comment
  UCR34896  Anthemis cotula L. B. Ziegler 1967-11-7 262 Riverside San Jacinto Mtns., Poppet Flats area 1070 Comment
  CDA5344  Anthriscus caucalis A. C. Sanders, Seung-Chul Kim 2005-5-7 30072 Riverside Peninsular Range, Agua Tibia Mountains; UC Emerson Oaks Reserve, ca. 8 miles southeast of Temecula, S of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank Comment
  JEPS5302  Antirrhinum coulterianum W. L. Jepson 1928-4-19 12433 Riverside 5 mi n Elsinore 609 Comment
  RSA525247  Antirrhinum coulterianum Steve D. Boyd, Tim S. Ross 1990-5-11 4625 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  RSA769625  Antirrhinum coulterianum E. W. Lathrop 1968-6-2 6957 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  SJSU11491  Antirrhinum coulterianum J. W. Tofflemire 1957-4-19 Riverside Sobobo Indian Reservation by community of San Jacinto Comment
  UCR216400  Antirrhinum kelloggii Mike Bell 2008-3-30 028 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, 5 miles SW of Murrieta, Punta Mesa Trail 537 Comment
  RSA192320  Antirrhinum nuttallianum subsp. nuttallianum H. A. Zuill 1966-6-23 236 Riverside San Mateo canyon about 12 miles SW of Murrieta. Comment
  UC20820  Apiastrum angustifolium A. J. McClatchie Apr. 1892 8 Riverside near Elsinore Comment
  SEINET7882510 Image available Apiastrum angustifolium Jean Coulson 1959-1 144 Riverside San Jacinto Mts, 8.1 mi N of Pine cove on Idyllwild Banning road Comment
  SEINET3080987 Image available Apium graveolens Michael DeJong 1971-5-2 Riverside Found between West end of lake in Fairmont Park and the Santa Ana River bottom Comment
  UCR234249  Apocynum cannabinum A. C. Sanders, T. B. Salvato 2012-4-27 40095 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy/I-15 and Indian Truck Trail, 265 m NW of El Hermano Rd. 310 Comment
  SEINET3142977  Aquilegia W. B. Crockatt sn Riverside Prado 91 Comment
  RSA0125491  Arabis R. F. Thorne, Walter Wisura 1977-9-17 50772 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  RSA583356  Arabis sparsiflora var. californica Steve Boyd, Darin Banks 1995-3-30 8405 Riverside Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the western edge of the Dripping Springs Alcove in tributary of Kolb Creek just east of the old Woodchuck Truck Trail road grade, just south of the Wilderness boundary. 640 Comment
  RSA358583  Arceuthobium campylopodum Larry E. DeBuhr 1972-3-23 515 Riverside Santa Rosa Mts; San Bernardino National Forest; northwest of Santa Rosa Pk. 2317 Comment
  RSA683091  Arceuthobium campylopodum Scott D. White, T. B. Salvato, L. V. DeMarco, Jessica Christian 2001-6-30 8651 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. i.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  RSA0040386  Arctostaphylos Scott D. White 1996-8-16 4482 Riverside Idyllwild area, SW of Pine Cove & west of Bear Trap Cyn, in watershed above Alvin Meadows (tributary to Toll Rd Cyn) 1707 Comment
  RSA784313  Arctostaphylos J. D. Olmsted 1959-4-17 379 Riverside Tin Mine Can.-Santa Ana River drainage area. Beacon Pines Ranch. 10 mi SW of Corona on Skyline Drive at intersection with Black Star Canyon Road and Main Divide Motorway. 854 Comment
Read comments
Jun 2 2013
  RSA629393  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19515 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  SD254598  Arctostaphylos glandulosa A. C. Sanders, Glen Morrison 2016-8-4 42621 Riverside San Jacinto Mountains: Highway 74 below McGaugh Road, west slope of the mountains at mile post 58.19, below Mountain Center. 1310 Comment
  UCR273484  Arctostaphylos glandulosa A. C. Sanders, Glen Morrison 2016-8-4 42616 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
  POM49844  Arctostaphylos glauca P. A. Munz, I. M. Johnston 1924-7-29 8877 Riverside Poppet Flat, San Jacinto Mts. 1524 Comment
  RSA631746  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19261 Riverside Highway 79, 5 km west of Radec. 580 Comment
  RSA631813  Arctostaphylos glauca Jon E. Keeley 1992-9-27 21801 Riverside Highway 74 at Pinyon Flats, southwest of Palm Desert. 1290 Comment
  SD7734  Arctostaphylos glauca J. C. Nevin 1884-1 Riverside San Jacinto Mtns. Comment
  POM210098  Arctostaphylos glauca var. glauca C. B. Wolf 1932-5-25 3695 Riverside One half-mile southwest of summit of Moreno Grade, Bad Lands, southwest of Beaumont 610 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
  RSA633680  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16658 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  RSA633727  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16628 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  UC21884  Arctostaphylos patula H. M. Hall 1901-6 2312 Riverside near Tahquitz; San Jacinto Mountains 2286 Comment
  POM12411  Arctostaphylos patula subsp. platyphylla P. A. Munz 1922-9-7 6415 Riverside North fork of Tahquitz Creek. 2287 Comment
  SEINET5604112 Image available Arctostaphylos pringlei Unknown 1961-1 Unknown Riverside Pine Cove, Idyllwild, CA. Comment
  UCR122531  Arctostaphylos pringlei subsp. drupacea George K. Helmkamp, E. A. Helmkamp 2001-5-20 6681 Riverside San Jacinto Mountains, Morris Ranch Rd., 2.1 mi NE of CA-74 1570 Comment
  LA42248  Arctostaphylos pungens Elizabeth McClintock; 1938-2-10 sn Riverside San Jacinto Mountains, Lake Hemet Comment
  POM47184  Arctostaphylos pungens Mary F. Spencer 1920-1-12 1324 Riverside Idyllwild San Jacinto Mt. 970 Comment
  POM49833  Arctostaphylos pungens P. A. Munz 1924-7-29 8876 Riverside Lone Oak Ranch, Banning-Idyllwild Road. 1037 Comment
  RSA635780  Arctostaphylos pungens Jon E. Keeley 1992-7-17 16733 Riverside Morris Ranch Road (6S06), 0.8 km east east of Highway 74, Garner Valley. 1440 Comment
  RSA635801  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16519 Riverside Red Mountain Road, 1.8 km east of R3. 850 Comment
  SEINET3101905  Arctostaphylos pungens Marc A. Baker, with Michelle Cloud-Hughes 2011-6-12 17375 Riverside Goff Flat, 5.5km SW of Pyramid Peak Comment
  RSA635992  Arctostaphylos rainbowensis Jon E. Keeley 1992-9-26 21610 Riverside W of Hwy 15, 1.5 km S of Temecula. 430 Comment
  RSA636012  Arctostaphylos rainbowensis Jon E. Keeley 1992-8-2 18805 Riverside East of Hwy 15, off Rainbow Cyn. Rd., 3 km north of San Diego Co. line. 400 Comment
  RSA636024  Arctostaphylos rainbowensis Jon E. Keeley 1992-8-2 18794 Riverside East of Hwy 15, off Rainbow Cyn. Rd., 3 km north of San Diego Co. line. 400 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
  RSA636179  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19474 Riverside West of Temecula, off Colman Rd., 0.8 km north of Carancho Rd. and west of De Luz Rd., eastern Santa Margarita Mountains. 590 Comment
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Jun 8 2012
  SDSU17424  Arctostaphylos rainbowensis C. Matt Guilliams 2007-8-9 410 Riverside Santa Margarita Ecological Reserve, on ridgeline above the Santa Margarita River to the south. 300 Comment
  SDSU18354  Arctostaphylos rainbowensis C. Matt Guilliams 2007-6-21 372 Riverside 15 kilometers east of Temecula near Tenaja Road. From Tenaja, south on Harkey Road, east on Avenida Presta, south on Calle Viento, a dirt road on slope above drainage. 640 Comment
  SD135192  Arenaria macradenia subsp. macradenia Craig Reiser, Dylan Hannon 1993-5-30 Riverside Northern flanks of Santa Rosa Peak Comment
  CAS-BOT-BC137644  Aristida adscensionis Peter H. Raven 1958-3-15 11850 Riverside Box Canyon. Comment
  JOTR34382  Aristida adscensionis Andre, Jim 2012-4-16 20903 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 3.1 miles north of South Entrance, 4.1 miles north of I-10 788 Comment
  UC37469  Aristida adscensionis C. R. Orcutt 1890-4-24 Riverside Colorado Desert Comment
  UCD56395  Aristida adscensionis Ira L. Wiggins 1941-3-27 9676 Riverside south end of Coxcomb Mountains, 8 miles northeast of Desert Center. Comment
  UCR242289  Aristida adscensionis A. C. Sanders, T. B. Salvato 2012-10-12 40420 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd., 0.35 mi. west of I-10 junction 114 Comment
  RSA720441  Aristida purpurea Naomi Fraga, LeRoy Gross, Bill Hogshead 2006-6-12 1704 Riverside Along FS road west and paralleling Morris Ranch Road. Ca. 0.2 miles southwest of the FS roads junction with Morris Ranch Road. North east of Garner Valley. 1616 Comment
  UCSB51394  Aristida purpurea Roos, John 1965-6-23 Riverside Lost Palms Canyon, Eagle Mtns Comment
  SEINET14198857  Aristida purpurea J. C. Roos 1966-4-22 Riverside Rocky hills between March AFB and Lakeview Comment
  JOTR29524  Aristida purpurea var. nealleyi La Doux, Tasha 2003-9-4 1576 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Barker Dam 1280 Comment
  JOTR36188  Aristida purpurea var. purpurea La Doux, Tasha, B. Truesdell, M. Wheeler 2013-10-31 3337 Riverside Joshua Tree National Park. Queen Mountain; near Split Rock, approx 0.5 km SE of Elton Mine 1330 Comment
  IRVC493  Artemisia dracunculus R. H. Whittaker, W. A. Niering 1963-6-11 SJ 391 Riverside Summit Toro Peninsular Ranges, Santa Rosa Mountains 2652 Comment
  SDSU13665  Artemisia dracunculus W. Miller 1972-8-9 Riverside Comment
  SEINET2044554 Image available Artemisia tridentata var. angustifolia H. S. Gentry 1954-7-25 14251 Riverside Dripping Springs, along route 79. Comment
  RSA0025283  Asclepias albicans J. Andre 2013-3-4 23873 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
  UCR260247  Asclepias albicans A. C. Sanders, Jim Malusa 2015-3-10 41386 Riverside Sonoran (Colorado) Desert, north end of Chocolate Mountains, eastern canyon at Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range 611 Comment
  RSA401649A  Asclepias californica J. Ewan 1929-6-16 s.n. Riverside Gravelly soil above stream Bear Trap Canyon. NW of Idyllwild. 1646 Comment
  UCR141259  Asclepias eriocarpa A. C. Sanders, Kelly Volansky 2004-10-6 28825 Riverside Santa Ana Mtns./Santa Rosa Plateau, 41050 Avenida La Cresta, south of Sierra Maria Rd. and c. 1.5 mi. north of Tenaja Rd., c. 2 miles NW of the Mesa de Colorado 671 Comment
  SEINET10580571  Asclepias erosa J. Francis Macbride, Francis E. Drouet 1941-10-14 Macbride 4473 Riverside Near Hopkins Well, about 15 mi W of Blythe 244 Comment
  UC809712  Astragalus aridus E. K. Balls 1949-4-2 12906 Riverside roadside and open slopes on Highway 111 near Durmid by the Salton Sea (Colorado Desert); , near Durmid by Salton Sea -67 Comment
  RSA78729  Astragalus bernardinus P. A. Munz 1952-4-15 17347 Riverside Ridge south of Pleasant Valley, Joshua Tree National Monument 1220 Comment
  SBBG94891  Astragalus crotalariae G. K. Helmkamp 1975-2-17 s.n. Riverside St Hwy 111 at Salt Crk, NE side of Salton Sea Comment
  UCR157442  Astragalus didymocarpus A. C. Sanders 1997-3-26 20123 Riverside Lake Skinner area, NW foot of the Tucalota Hills, 0.2 mi. east of main Skinner entrance road on a dirt service road 473 Comment
  UCR272508  Astragalus didymocarpus Mitch Provance 2013-2-16 213- 01 Riverside Santa Ana River Valley, Riverside, Arlanza area, W side of Hole Lake and adjacent mesa. 226 Comment
  RSA689493  Astragalus didymocarpus var. didymocarpus Scott D. White 2001-4-19 8383 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
  RSA90153  Astragalus didymocarpus var. dispermus F. W. Peirson 1922-4-29 2939 Riverside Dripping Spring, Temecula River, southwestern Riverside Co. 457 Comment
  CAS-BOT-BC178450  Astragalus douglasii var. parishii H. M. Hall 1899-5-21 1117 Riverside San Jacinto Mts. 1828 Comment
  LA204953  Astragalus douglasii var. parishii Elizabeth McClintock; 1939-9-1 sn Riverside San Jacinto Mountains, Idyllwild Comment
  POM229793  Astragalus douglasii var. parishii P. A. Munz 1937-5-30 15138 Riverside Santa Rosa Peak. 2348 Comment
  CAS-BOT-BC186733  Astragalus gambelianus Steve Boyd 1986-4-22 1754 Riverside Temescal Canyon: Stable alluvial benches of Indian wash just south of Interstate 15 Comment
  VVC2470  Astragalus insularis var. harwoodii Tim Thomas 2013-3-18 5930 Riverside Sonoran Desert, 12 miles WSW of Blythe; south of I-10. vic of powerline corridor. 145 Comment
  CAS-BOT-BC187108  Astragalus lentiginosus var. borreganus Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs 60 Comment
  JEPS54701  Astragalus lentiginosus var. coachellae E. L. Adams 1926-1 Riverside Colorado Desert Comment
  SBBG82058  Astragalus lentiginosus var. coachellae J. M. Stewart 1985-3-17 8513 Riverside Thousand Palms area, Bob Hope Drive, 0.5 mi S of Ramon Rd 85 Comment
  SEINET5325595  Astragalus lentiginosus var. fremontii H. M. Hall 1905-4-14 5757 Riverside Whitewater, on the Colorado Desert, Lower Sonoran Zone, 240 Comment
  UCR236899  Astragalus pachypus var. jaegeri Duncan S. Bell, Naomi Fraga 2010-4-22 854 Riverside San Jacinto Mountains, San Bernardino National Forest, Rouse Ridge, c. 1.6 air mi southeast of junction of Hwy 74 and FS Road 5S15 841 Comment
  SBBG68402  Astragalus palmeri M. N. Ackley 1928-4-3 573 Riverside Devil's Cyn, Coral Reef Ranch 91 Comment
  SEINET3132645  Astragalus pomonensis R. W. Spellenberg, D. Jackson 1972-5-19 2821 Riverside Road to Teneja Guard Station, 8.0 mi SE of station, 7.6 mi NW of Murieta Comment
  CLARK-A1528-5425  Astragalus sabulonum John C. Roos 1949-3-19 4118 Riverside Mecca Comment
  PASA2748  Astragalus tricarinatus Marcus E. Jones 1929-3-19 8640 Riverside Whitewater, Colorado Desert Comment
  JOTR16560  Atrichoseris platyphylla Vanderspek & Youse 1964-4-19 64513 Riverside Joshua Tree National Park. WILSON CANYON 853 Comment
  UCR251648  Atrichoseris platyphylla Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 761 Riverside Sonoran (Colorado) Desert, Mecca Hills, Shaver's Well, adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  CAS-BOT-BC170585  Atriplex J. C. Roos 1965-10-17 s.n. Riverside 20 miles west of Blythe on the roadside. Comment
  UCR99571  Atriplex argentea Julie A. Greene, S. D. White 1993-7-5 1403 Riverside San Jacinto Valley, San Jacinto Wildlife Area, lower, flat area, west of dirt road 441 Comment
  POM202640  Atriplex canescens W. M. Ingram 1934-10 4 Riverside Colorado Desert Comment
  SD154848  Atriplex canescens E. K. Balls, P. C. Everett 1957-11-6 22790 Riverside 0.5 miles north of the junction of Hwy 79 & the road to Coahuila, in sun on open sandy hills 655 Comment
  UC850759  Atriplex canescens Carl B. Wolf 1932-10-13 4303 Riverside Cottonwood Springs Colorado Desert, Eagle Mts., Cottonwood Springs 289 Comment
  UC850763  Atriplex canescens Carl B. Wolf 1933-8-2 5181 Riverside Cottonwood Spring Colorado Desert, , Cottonwood Spring (Eagle Mts.) 289 Comment
  CAS-BOT-BC170202  Atriplex canescens subsp. canescens Carl B. Wolf 1932-10-13 4316 Riverside Caleb (Southern Pacific railway siding), 4 1/2 mi SE of Mecca, Colorado Desert. 60 Comment
  RSA5450  Atriplex canescens var. linearis C. B. Wolf 1932-10-13 s.n. Riverside NE side of S.P.R.R. at Durmid on N.E. side of Salton Sea -61 Comment
  UCR66967  Atriplex coronata var. notatior D. E. Bramlet 1990-7-20 2054 Riverside Perris-Aguanga Basin region, San Jacinto Wildlife Area; old San Jacinto River channel, c. 880 m NE of Davis Rd. and c. 400 m SW of first waterfowl pond. 476 Comment
  SEINET5585510  Atriplex elegans var. elegans R. E. Riefner Jr. 2013-1 13 -190 Riverside City of Lake Elsinore, along Collier St. and Hwy. 74 S to Temescal Wash. 393 Comment
  CAS-BOT-BC523903  Atriplex glauca D. E. Bramlet 2005-5-5 3847 Riverside Perris-Aguanga Basin Region: San Jacinto Valley, canal right-of-way north of Devonshire Ave. 457 Comment
  CAS-BOT-BC170257  Atriplex hymenelytra L. A. Greata 1905-4-1 396 Riverside Coachella Comment
  RSA727387  Atriplex hymenelytra Naomi Fraga, Lisa Rojas 2005-2-10 1379 -a Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCR274800  Atriplex hymenelytra David Fraker, Aaron C. Sedgwick 2012-3-27 041 Riverside Central Mojave Desert, Owl Canyon [in Rainbow Basin Natural Area], by Owl Canyon Campground 973 Comment
  SD67591  Atriplex lentiformis F. W. Peirson 1924-12-30 5413 Riverside Thousand Palms Canyon, Coachella Valley. Comment
  SBBG1783  Atriplex polycarpa H. and M. Dearing 1938-3-6 Riverside Box Cyn Comment
  RSA596677  Atriplex semibaccata D. L. Banks, Lauren Raz 1996-11-5 1182 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; Along the main road in the Reservation, approximately 0.2 miles E of San Gabriel Church, across from the local cemetery. 378 Comment
  UCR253361  Atriplex serenana var. davidsonii Karyn L. Drennen, Ana Hernandez 2013-3-26 022 Riverside Perris Aguanga Basin, San Jacinto Wildlife Area, 186 meters east of Davis Road, 1.6 kilometers north Ramona Expressway 436 Comment
  UCR182541  Atriplex suberecta Mitch Provance 2003-7-4 4642 Riverside San Bernardino Valley, Riverside, Monticello Ave. near the canal, between Driftwood and Conway Drives 226 Comment
  UCR232057  Atriplex suberecta John F. Green 2008-4-22 06- 02 Riverside Peninsular Range, hills south of Perris, powerline route just above the San Jacinto River, east of Lantana Dr., south of Ethanac Rd. 442 Comment
  UCR89874  Atriplex suberecta 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
  UC1922689  Avena barbata Scott D. White, Angelia Carey 2004-4-5 9994 Riverside SAN JACINTO MTN FOOTHILLS: North of Valle Vista. Indian Creek Watershed. Lake Fulmor 7.5' Quad. Comment
  UCR92217  Avena barbata D. L. Banks 1995-4-11 182 Riverside Agua Tibia Mtns. Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn, east of the Dripping Springs Alcove, along the Dripping Springs Trail. 780 Comment
  JOTR32850  Baccharis brachyphylla La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1169 Riverside Joshua Tree National Park. Little San Bernardino Mountains, east of Queen Mountain, near north entrance to park; basalt rocky slopes 946 Comment
  RSA736238  Baccharis emoryi Scott D. White, Jonathan Campbell 2008-4-18 11900 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. 'Morgan' Property, Alberhill area. 274 Comment
  IRVC525  Baccharis glutinosa R. H. Whittaker, W. A. Niering 1963-6-11 SJ 373 Riverside Santa Rosa Rd., slope W-5 degree draw, mostly sandy soil, occasional boulders. Santa Rosa Mountains 1601 Comment
  POM8302  Baccharis salicifolia Philip A. Munz, R. D. Harwood 1920-2-28 3245 Riverside 3 mi SW of Corona. 305 Comment
  UCR100032  Baccharis salicifolia A. C. Sanders, G. Helmkamp 1997-3-15 19975 Riverside Lake Skinner area, N foot of 1700 ft. hill east of Bachelor Mtn., small canyon and grassy S-facing slopes 488 Comment
  UCR215617  Baccharis salicifolia Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 01 Riverside Peninsular Range, Box Springs Mountains, eastern edge of Riverside; Two Trees Canyon Trail near the trailhead 409 Comment
  SDSU13346  Baccharis salicifolia subsp. salicifolia Joseph R. Verfaillie, BIO 531 Taxonomy class (SDSU) 2000-4-1 31 Riverside Santa Margarita Ecological Reserve (SDSU). Near the center of the Gorge, west of the pipe line crossing. 239 Comment
  SEINET899356  Baccharis sergiloides C. B. Wolf 1932-1 4272 Riverside Colorado Desert. Little San Bernandino Mts. Morongo Wash, 3/10 mi. below San Bernandino Co. line 671 Comment
  RSA662147  Baccharis viminea Stephen Hill 1981-2-16 32 Riverside Cajalco Rd. 6.3 mile E. of hwy 15. on N side of road approx. Comment
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Jul 14 2013
  JOTR34046  Bahiopsis parishii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2946 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; above trail to Lost Horse Mine on basalt outcrop with scree slopes Comment
  POM14092  Bahiopsis parishii Philip A. Munz, D. D. Keck 1922-4-13 4954 Riverside Eagle Mtns. Colorado Desert. 244 Comment
  RSA704862  Bahiopsis parishii J. B. B. 1934-6-18 527 Riverside Snow Creek; base of San Jacinto. Comment
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Feb 16 2013
  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-BC99962  Baileya pauciradiata N. Aitkenhead 1977-2-1 2110 Riverside 1000 Palms Sand Dune Natural Area Comment
  SBBG65722  Baileya pauciradiata Anstruther Davidson 1895-1 Riverside Palm Springs Comment
  SBBG65714  Baileya pleniradiata S. W. Hutchinson, M. N. Ackley -Feb-1927 266 Riverside Shaver's Well 365 Comment
  UCR42403  Baileya pleniradiata J. M. Stewart 1986-3-3 86- 15 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, east of Desert Center, east of the dry lake south of Palen Dry Lake Comment
  POM350771  Bebbia juncea Robert Gustafson 1980-5-5 1574 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon wash. 610 Comment
  UCR75072  Bebbia juncea A. C. Sanders, E. Lawlor 1992-4-4 12137 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  LA103754  Bebbia juncea var. aspera Robert F. Thorne; C. W. Tilforth 1973-5-30 43582 Riverside Coachella Valley, mouth of Morongo Valley at N-end of valley 548 Comment
  LA203071  Bebbia juncea var. aspera Martha Hilend; 1929-3-24 sn Riverside Thousand Palms Comment
  UC1119032  Bebbia juncea var. aspera R. St. John 1931-1-29 178 Riverside Plot 52 Elsinore Elsinore 457 Comment
  UC68873  Bebbia juncea var. aspera S. Grout 1903-7-1 Riverside Rubidoux Mt. Comment
  SD218993  Berberis nevinii M. Wall 2009-6-10 518 Riverside South of Redlands, ca. 0.75 mile up an unnamed canyon off San Timoteo Canyon Rd., ca. 0.5 mile NW of jct with Allesandro Blvd. 495 Comment
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Oct 28 2013
  RSA0089287  Bergia texana David 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
  RSA198974  Blennosperma nanum R. F. Thorne 1968-4-18 37444 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California 671 Comment
  SEINET12049901  Bloomeria crocea N. C. Cooper 1944-1 1542 Riverside San Jacinto Mtns. (Pine Cove) 1676 Comment
  UC488972  Boechera arcuata C. V. Meyer Jun 1927 169 Riverside San Jacinto Mts. 1524 Comment
  RSA518278  Boerhavia coccinea A. C. Sanders 1989-9-19 9510 Riverside Chocolate Mtns Aerial Gunnery Range, 1.75 km S of Tabaseca Tank, along the wash above ''Tabaseca Target. 680 Comment
  UCR94923  Boerhavia coccinea Scott D. White 1996-9-22 4525 Riverside San Jacinto Mtns., South fork of San Jacinto River, Hwy 74, c. 1-3 road mi. east of U.S. Forest Service Cranston Fire Station. 762 Comment
  UCR58877  Boerhavia coulteri J. M. Stewart 1989-10-16 610 Riverside Sonoran (Colorado) Desert, along Hwy 95, 5.6 mi. south of Vidal Comment
  JOTR30069  Boerhavia intermedia La Doux, Tasha, Bill Truesdell 2006-10-3 1712 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 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
  RSA0094451  Bolboschoenus maritimus subsp. paludosus Duncan S. Bell 2015-8-12 8594 Riverside Orocopia Mountains; southwestern section of the range, collecting at a spring in the southern section of the Dos Palmas area. Temperature at around 120 degrees. -41 Comment
  CLARK-A1528-4506  Bouteloua aristidoides John C. Roos 1943-12-19 2764 Riverside Mecca Hills Comment
  UCR17724  Bouteloua aristidoides Paul Mack, Hap Ritter 1976-10-16 s.n. Riverside Sonoran (Colorado) Desert, c. 20 mi NW of Blythe on the Midland Road, McCoy Wash drainage. SW side of the Big Maria Mtns. 244 Comment
  POM266615  Bouteloua barbata J. C. Roos 1937-8-20 1227 Riverside Blythe Comment
  RSA781996  Bouteloua barbata Duncan S. Bell 2011-12-30 3034 Riverside Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; approximately 2 air miles southwest of Priests Well, or approximately 7 air miles southwest of the ghost town of Rice. 365 Comment
  CAS-BOT-BC95399  Bowlesia incana Steve Boyd 1986-4-2 1597 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park 640 Comment
  SD232160  Bowlesia incana Scott D. White, Justin M. Wood 2008-7-9 12423 Riverside San Jactino Mountains: K Flat, from large pond downstream to meadow. 2341 Comment
  UC1537149  Bowlesia incana Gordon H. True Jr. 1935-4-9 226 Riverside Box Springs 365 Comment
  RSA787121  Brachychiton populneum Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49546 Riverside Santa Ana Mountains: along Ortega Highway (74), about 2 miles SSW of El Cariso Comment
  RSA0089243  Brachypodium distachyon Steve D. Boyd 2011-3-30 12306 Riverside Coastal plains and basins; San Bernardino basin region: City of Riverside, residential lot at northwest corner of Beechwood Place (4131) and Brockton Avenue. 256 Comment
  SDSU17528  Brachypodium distachyon Jerry Jenkins 2001 -043 Riverside Santa Margarita Ecological Reserve. Weed in orange grove, collected with Jenkins 2001-041. UTM transfered to GIS. Comment
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Aug 11 2017
  UCR104965  Brandegea bigelovii George K. Helmkamp, E. A. Helmkamp 1998-2-18 2730 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; 0.3 mi south of Chuckwalla Rd. on Graham Pass Rd. 122 Comment
  UCR108393  Brassica geniculata D. L. Banks, V. W. Steinmann 1997-3-13 1466 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  UCR3211  Brassica geniculata V. L. McFarland 1964-3-30 s.n. Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, vacant lot south of Blaine St., east of Utah Ave. Comment
  UCR140308  Brassica nigra A. C. Sanders 2004-4-9 27477 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
  UCR5972  Brassica rapa Steve Stadler 1966-3-10 31066- 23 Riverside Peninsular Range, Corona Area. Located 1 mi east of Corona along old Temescal Road 1/4 mi north of Rimpau Ave. Corner of Old Temescal Rd. and Rimpau is 1/2 mi west of the John Manuill Fiberglass Plant. 213 Comment
  RSA0120476  Brassica tournefortii Duncan S. Bell 2016-3-13 8928 Riverside Whitewater Canyon; in the vicinity of Painted Hill, approximately 2.5 air miles southeast of the Ranger Station (trout pond). 613 Comment
  SD187378  Brassica tournefortii Scott D. White, Angelia Carey 2004-4-5 9977 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCD114635  Brassica tournefortii A. C. Sanders 1988-1-30 s.n. Riverside Eastern foothills of the Santa Ana Mountains, ca. midway between Murrieta and Temecula. Los Cerritos Ranch and adjacent 80-acre property to the NW; N of Cherry St., W of Adams Ave., S of Meadowlark Ridge Lane and Elm St. Beside Warm Springs Creek, SW of Adams St. 327 Comment
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Mar 28 2014
  UCR177438  Brassica tournefortii Scott D. White 2003-3-23 8844 Riverside Santa Rosa Mountains, Desert slope, Hwy 74 near Carrizo Creek crossing 762 Comment
  CAS-BOT-BC106337  Brickellia atractyloides var. arguta B. D. Stark 1930-5-4 831 Riverside Morongo Pass Comment
  RSA621892  Brickellia californica Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3679 Riverside Vail Lake area, benches of Arroyo Seco and slopes of adjacent hills to E. 488 Comment
  CLARK-A1528-1671  Brickellia desertorum John C. Roos 1947-11-1 3752 Riverside Eagle Mountains Comment
  CLARK-A1528-5509  Brickellia desertorum John C. Roos 1947-11-1 3751 Riverside Eagle Mountains Comment
  OBI31830  Brickellia incana David J. Keil 1978-11-27 s.n. Riverside I-1- exit at Hayfield rd Comment
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Mar 3 2013
  RSA339235  Brickellia incana R. F. Thorne 1979-8-23 53618 Riverside Cottonwood Springs Area Comment
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Oct 9 2010
  RSA191990  Brodiaea filifolia E. W. Lathrop 1966-5-1 6237 Riverside 3 miles W of Murrieta Comment
  UCR50784  Brodiaea santarosae S. J. Myers 1988-5-17 s.n. Riverside Santa Rosa Springs Ranch, 0.25 mi west of the N end of Mesa de Burro, west of the town of Murrieta Comment
  RSA356724  Brodiaea terrestris subsp. kernensis Robert F. Thorne, Earl Lathrop 1975-5-25 45552 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro 609 Comment
  UCD60266  Bromus A. A. Beetle 1946-6-10 4345 Riverside Mt. San Jacinto. Ridge at top of Tahquitz Valley. 2438 Comment
  SEINET901511  Bromus carinatus Steve Boyd, Tim Ross, Dave Bramlet 1993-1 7318 -B Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos Canyon downstream to confluence with Tenaja Canyon, Rancho Santa Ana Botanic Garden 365 Comment
  JOTR33751  Bromus carinatus var. carinatus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2749 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  SEINET235857 Image available Bromus carinatus var. carinatus Scott D. White 1997-5-18 5154 Riverside Vista Grande Area: Just W of USFS Vista Grande Fire Station (i.e. Hwy 243 ca. 10 road miles SE of Banning). 1500 Comment
  SEINET221093 Image available Bromus diandrus Leila M. Shultz, R. Thorne; J. Hogue R. Tilford 1980-4-16 4012 Riverside Bridge over Whitewater River at base of Whitewater Canyon, San Bernadino Mountains. 436 Comment
  UCR2225  Bromus marginatus F. M. Reed 1908-7-11 2503 Riverside San Jacinto Mtns., on trail to [San Jacinto] peak above Round Valley 3079 Comment
  RSA0012204  Bromus pseudolaevipes Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 1047 Riverside Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  CLARK-A1528-4555  Bromus rubens John C. Roos, Lucille Roos 1950-4-15 4739 Riverside Pigeon Pass 457 Comment
  POM363954  Bromus rubens N. C. Cooper 1944-5-6 1215 Riverside Banning. 701 Comment
  UCR114138  Bromus rubens B. G. Pitzer, J. Ross 1998-3-8 3595 Riverside Sonoran (Colorado) Desert, Hayfield Lake, on the lakebed, SE of pumping station, near center of lake 396 Comment
  UCR233071  Bromus rubens Edith B. Allen 2012-1-28 112- 01 Riverside Riverside, western foot of the Box Springs Mtns. on east edge of town, Islander Park, north of the east end of Big Springs Rd. 353 Comment
  UCR243172  Bromus rubens LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4350 Riverside Transverse Ranges; San Bernardino Mountains, Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat Canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon 871 Comment
  UCD59901  Bromus tectorum Lowell J. Bean 1967-6-1 s.n. Riverside San Jacinto Mountains, Lake Fulmor. Comment
  UCR174326  Bromus tectorum A. C. Sanders, T. B. Salvato 2006-6-2 33089 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
  UCR228741  Bromus tectorum A. C. Sanders, Nathan Moorhatch 2011-3-22 38799 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland in Menifee Valley, powerline route along McLaughlin Rd. between Palomar Rd. and San Jacinto Rd. 442 Comment
  RSA653708  Caesalpinia virgata Scott D. White 2000-3-27 7640 Riverside Coachella Valley, Indio Hills area: Bajada at south side of hills, in Granite Rock Aggregate Quarry operation area. Disturbed soils near powerline tower on S margin of quarry. 46 Comment
  RSA721458  Caesalpinia virgata Sarah J. De Groot, Tim Thibault, Valentin Arvizu, LeRoy Gross, Lisa Rojas 2004-5-14 4335 Riverside Chocolate Mountains: north of the mountains, just north of the Bradshaw Trail, south of Orocopia mountains. 168 Comment
  RSA799249  Caesalpinia virgata Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 729 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
  SEINET12804035  Caesalpinia virgata Chris Dietrich, M. Merello & H. Schmidt 1994-1 25 Riverside 9 miles north-northwest of Indio, off Dillon Road 1.9 miles northeast on Berdoo Canyon Road. BLM land. Desert Access Guide Map #17. 358 Comment
  UCR18980  Caesalpinia virgata John C. Roos 1965-6-23 s.n. Riverside Sonoran (Colorado) Desert, Cactus City, just east of the Mecca Hills on Interstate Hwy 10 [and 25 mi. east of Indio]. 500 Comment
  JEPS52588  Calandrinia ambigua W. L. Jepson 1927-4-13 11688 Riverside Painted Canyon Mecca Hills (mouth) 45 Comment
  UCR183336  Calandrinia ciliata Mitch Provance 2003-4-26 9882 B 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
  UCR259231  Calandrinia ciliata Mitch Provance, Jeremiah George 2012-4-24 412- 08 Riverside San Gorgonio Pass, Smith Creek SW of Banning, near corner of Sunset Ave. and Bobcat Rd. 735 Comment
  CAS-BOT-BC85772  Calocedrus decurrens Carl Epling 1931-10-4 246 Riverside Strawberry Valley, San Jacinto Mts. 1584 Comment
  UCR35284  Calochortus concolor L. B. Ziegler 1967-6-27 180 Riverside San Jacinto Mtns., Hemet Valley. Slopes above Kenworthy Ranger Station. 1524 Comment
  RSA641300  Calochortus palmeri var. munzii Orlando Mistretta, Mark Elvin 1995-6-19 1781 Riverside San Jacinto Mountains: Highway 74 and Pacific Crest Trail. 1493 Comment
  UCR193293  Calochortus palmeri var. munzii A. C. Sanders, Tim Thomas 2008-6-20 35543 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  RSA769686  Calochortus splendens Duncan S. Bell, J. D. England 2010-5-17 1010 Riverside San Bernardino National Forest: Rouse Ridge, approximately 0.75 air mile southeast of junction of Highway 74 and forest service road 5S15., Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 759 Comment
  SEINET7063457  Calyptridium monandrum A. G. Vestal 1947-3-30 s.n. Riverside About 3.8 miles east of Sage on East Benton Road. Tucalota Valley. UTM Zone 11, 502421mE, 3715161mN. (WGS84/NAD83). 565 Comment
  UCR238086  Calyptridium monandrum Mark A. Elvin, Julie M. Vanderwier 2002-5-16 2054 Riverside Peninsular Range; Agua Tibia Mtns., Pechanga Indian Reservation, nameless drainage/wash south of Pala Rd. 335 Comment
  UCR3480  Calyptridium monandrum Jan Lockwood 1964-3-26 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley; off Dillon Road about 3 miles northeast of the town of Indio, about 500 yards west of the road -7 Comment
  CAS-BOT-BC221307  Calystegia macrostegia subsp. intermedia Frank W. Peirson 1929-5-4 8333 Riverside Lake Elsinore Comment
  RSA394919  Calystegia macrostegia subsp. intermedia E. A. McGregor 1967-6-8 s.n. Riverside Lake Elsinor Comment
  RSA543734  Calystegia macrostegia subsp. intermedia Steve Boyd, Timothy S. Ross, Mike Hammitt, Bob Boyd 1991-5-2 6069 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  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
  RSA750323  Camissonia A. C. Sanders, J. C. Dice, K. C. Rose, D. Woodard 1995-3-29 16249 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. 335 Comment
  UCR118780  Camissonia A. C. Sanders, G. K. Helmkamp 1997-3-15 19931 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 518 Comment
  RSA465920  Camissonia bistorta M. B. Dunkle 1935-3-10 4357 Riverside Temescal Canyon 244 Comment
  UCR171909  Camissonia bistorta John F. Green 2006-4-27 s.n. Riverside Peninsular Ranges, Temecula, plot centered on San Diego Aqueduct corridor between Nicolas Road and Via Norte 381 Comment
  POM67092  Camissonia brevipes subsp. brevipes Marcus E. Jones 1924-2-27 s.n. Riverside Colorado Desert, Desert Center. Comment
  RSA49370  Camissonia brevipes subsp. brevipes P. A. Munz 1949-4-12 13040 Riverside Mojave Desert, SE part of Pinto Basin. sandy wash Comment
  JOTR31039  Camissonia californica La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1291 Riverside Joshua Tree National Park. Stop 5: Hexie Mountains, steep gravel slopes above north side of Blue Cut Gorge Comment
  RSA586795  Camissonia californica D. L. Banks, Steve D. Boyd 1995-5-3 233 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  POM13156  Camissonia cardiophylla P. A. Munz, D. Keck 1922-4-9 4785 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 427 Comment
  RSA790631  Camissonia cardiophylla Aaron C. Sedgwick, David Fraker 2012-4-24 12 Riverside In the Palen Valley south of Power Line Rd. that parallels Hwy. 10 159 Comment
  CLARK-A1703-1216  Camissonia claviformis Charlotte Stocks 1963-5-20 Riverside Box Canyon Comment
  SEINET3005051  Camissonia claviformis G. Rink 2011-4-27 10488 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe 94 Comment
  SEINET3093255 Image available Camissonia claviformis John Adams 1966-3-12 446 Riverside Hwy 74, 2 mi. above Palm Desert. Comment
  UCR116842  Camissonia claviformis Helen Kennedy, Fred R. Ganders 1980-4-15 4063 Riverside Sonoran (Colorado) Desert, along [Box Canyon] road between Mecca and Hwy. 10 300 Comment
  UCR256345  Camissonia claviformis Duncan S. Bell 2011-12-30 3033 Riverside Sonoran (Colorado) Desert, Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; c. 2 air miles southwest of Priests Well, or c. 7 air miles southwest of the ghost town of Rice 365 Comment
  POM14040  Camissonia claviformis subsp. aurantiaca P. A. Munz 1922-4-14 4994 Riverside 10 mi. west of Indian Wells. Along the Whitewater Wash. 91 Comment
  RSA448924  Camissonia claviformis subsp. aurantiaca Ora M. Clark 1929-2-23 1559 Riverside E. Whitewater. Comment
  UCR226856  Camissonia claviformis subsp. aurantiaca Jim Andre 2011-2-9 15932 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
  UCR233180A  Camissonia claviformis subsp. aurantiaca Jim Andre, Glenn L. Clifton 2011-2-22 17425 Riverside Mecca Hills, along Box Canyon Road, 8.5 mi northeast of town of Mecca 171 Comment
  SEINET3093240 Image available 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
  RSA359849  Camissonia graciliflora Steve Boyd 1986-4-2 1637 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  POM13667  Camissonia hirtella P. A. Munz 1922-6-1 5940 Riverside Santa Rosa. 1890 Comment
  UCR93034  Camissonia hirtella Steve Boyd 1986-4-22 1759 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  RSA779065  Camissonia micrantha C. P. Cowan 1978-4-25 1278 Riverside 6.7 (10.7 km) miles SW on 74 from jct. with 71, 4.6 (7.3 km) miles from Lake Elsinore, Santa Ana Mountains, Cleveland National Forest. Whittaker transect #W-229. Comment
  SEINET3093305 Image available Camissonia pallida George K. Helmkamp 1986-4-7 756 Riverside Vicinity of Big Morongo Valley; just E of and parallel to Hwy 62, above Indian Ave. 579 Comment
  POM247919  Camissonia pallida subsp. hallii A. M. Alexander, Louise Kellogg 1941-4-24 2072 Riverside In sand and gravel; Gorge of Dry Morongo Creek, Morongo Valley. 640 Comment
  RSA33885  Camissonia pallida subsp. hallii N. C. Cooper 1945-5-24 1645 Riverside Big Oaks Canyon, Banning, San Gorgonio Mountains. 1220 Comment
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May 13 2011
  RSA0031748  Camissonia pallida subsp. pallida Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4465 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 488 Comment
  RSA692197  Camissonia refracta Scott D. White, Michael Honer 2003-5-14 9296 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  RSA777628  Camissonia refracta Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy, Naomi S. Fraga 2011-3-17 765 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail. 305 Comment
  UC1186514  Camissonia refracta E. G. Linsley and J. W. MacSwain 1960-3-2 60 -5 Riverside 2 mi w Desert Center Comment
  POM48923  Camissonia strigulosa P. A. Munz 1924-5-18 8146 Riverside 18 miles from Banning on Idyllwild Road [Hwy 243?]. 1524 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
  SD148111  Camissoniopsis bistorta A. C. Sanders, T. B. Salvato 2000-5-25 23426 Riverside Menifee Valley: S of Newport Rd., N of Holland Rd. and E of Bradley rd., 2 miles due east of railroad Canyon Lake (Romoland 7.5' Q.) on decomposed granite slopes along a dirt road, generally N-facing slopes with sandy soil 438 Comment
  SD82828  Camissoniopsis bistorta John D. Olmsted 1962-5-3 3509 Riverside In canyon of southern access road to Thomas Mt.;, ca. 2.0 miles west of southern Garner Valley and Pines-to-Palms Highway. 1448 Comment
  UC454581  Camissoniopsis bistorta I. J. Condit 1910-6-24 Riverside Idyllwild San Jacinto Mts. 914 Comment
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Mar 21 2011
  UCD103421  Camissoniopsis bistorta C. L. Hitchcock 1966-3-15 24173 Riverside 4 miles NE of Aquanga. Comment
  SDSU3359  Camissoniopsis hirtella H. L. Wedberg 1957-5-11 Riverside Idyllwild rd., 2 mi. s. Banning. Comment
  UCSB4467  Camissoniopsis pallida subsp. pallida Kamb, Peter 1948-4-11 Riverside Lower Sonoran Zone, Aqueduct Road 5 mi east of Garnet, Coachella Valley 304 Comment
  SEINET3507531 Image available Capsella bursa-pastoris K. S. Gill 1965-3-28 Riverside 1.2 mile north of corner of Wood and Roberts roads in Woodcrest. Comment
  UCR21202  Capsella bursa-pastoris A. C. Sanders 1980-5-1 1377 Riverside San Jacinto Mountains, Garner Valley, off Morris Ranch Road, 2.2 mi north of Kenworthy Ranger Station 1616 Comment
  RSA535488  Cardamine californica var. integrifolia Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-2-2 6636 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
  RSA0105835  Carduus pycnocephalus Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  RSA201250  Carex athrostachya Peter Kamb 1947-6-7 579 Riverside Hall Canyon, San Jacinto Mountains. 1646 Comment
  SEINET10945977  Carex multicaulis V. Soza, Naomi S. Fraga; S. Swartzentruber 2003-6-25 Soza 1699 Riverside Peninsular Ranges; San Jacinto Mountains region: Junction of Dark Canyon and Fuller Mill Creek. 1494 Comment
  CAS-BOT-BC32223  Carex multicostata Carl B. Wolf 1932-8-5 3947 Riverside San Jacinto Mts. Along Trail from Tahquitz Valley to San Jacinto Peak. 2621 Comment
  SEINET7572200 Image available Carex praegracilis A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18119 Riverside San Bernardino Mtns, Morongo Indian Reservation, vicinity of natural pond & bog at SE edge of Burro Flats. 1097 Comment
  UCR256091  Carex sartwelliana LeRoy Gross, Caitlin Elam 2013-5-21 6105 Riverside Peninsular Range; San Jacinto Mtns., west edge of Pine Cove, between Pine Cove and Red Hill Road/5S10 1784 Comment
  CHSC106609  Carex senta P. F. Zika; Nick Otting 2010-8-3 25243 Riverside Vicinity of Willow Creek, San Jacinto Wilderness Area, San Jacinto Mountains, Peninsula Ranges. 2550 Comment
  UCD140838  Carex senta P. Zika; N. Otting 2010-8-3 25248 Riverside vicinity of Willow Creek. San Jacinto Wilderness Area, San Jacinto Mountains, Peninsula ranges. 2550 Comment
  SEINET3864289  Carex subfusca Peter F. Zika, Nick Otting 2010-8-30 25237 Riverside Vicinity of Willow Creek, W, San Jacinto Wilderness Area, San Jacinto Mountains, Peninsula Ranges.; 0 2550 Comment
  POM1598  Carex triquetra I. M. Johnston 1918-4-27 s.n. Riverside Temecula. 335 Comment
  POM14080  Castela emoryi Philip A. Munz, D. D. Keck 1922-4-14 4993 Riverside 'Hayfields', Chuckwalla Valley 152 Comment
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Apr 22 2011
  POM8059  Castela emoryi Childs 1920-5-15 s.n. Riverside Hayfields'' at Northern end of Colorado Desert. Comment
  RSA305817  Castilleja angustifolia James R. Shevock 1971-5-8 1041 Riverside Near Skull Rock, Joshua Tree National Monument. 1220 Comment
  RSA775123  Castilleja exserta Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5024 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 750 Comment
  UCR154640  Castilleja exserta A. C. Sanders, T. B. Salvato 2005-4-28 29770 Riverside Peninsular Ranges, Gavilan Hills; north of Santa Rosa Rd., 1 mi. SW of Ida Leona Mine 625 Comment
  UCR227586  Castilleja exserta Duncan S. Bell, Valentin Arvizu 2010-5-24 1101 Riverside San Jacinto Mountains, San Bernardino National Forest, Garner Valley, c. 3.0 air mi southeast of junction of Forest Service Road 6S04 and Forest Service Road 6S13 1386 Comment
  JEPS16663  Castilleja exserta subsp. exserta Rimo Bacigalupi with Gene Newcomb 1954-4-25 4400 Riverside 0.75 mi s Sage (along Calif Hwy 79, close to summit of St. Johns Grade, 9.5 mi n of junction with Calif Hwy 71) 731 Comment
  CLARK-A1528-846  Castilleja foliolosa Fred B. Essig 1964-4-25 29 Riverside Comment
  SD185309  Castilleja foliolosa T. B. Salvato, John F. Green 2004-5-27 633 Riverside San Bernardino Mtns., head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1402 Comment
  UC1075900  Castilleja foliolosa E. K. Balls 1955-4-4 20431 Riverside San Juan Capistrano to Elsinore (11 mi ne from Orange-Riverside county line) 579 Comment
  RSA586930  Castilleja minor subsp. spiralis D. L. Banks, S. D. Boyd 1995-5-3 296 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
  UCR998  Castilleja minor subsp. spiralis J. E. Dimitman 1957-5-18 s.n. Riverside San jacinto Mtns., Bautista Canyon 610 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
  UCR17672  Caulanthus heterophyllus E. W. Lathrop 1971-3-24 7484 Riverside Santa Ana Mtns, Bedford Truck Trail of the Cleveland Nat'l Forest, Trabuco District 1220 Comment
  UCR67366  Caulanthus heterophyllus Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3909 Riverside Peninsular Range, Vail Lake area, summit of 'Big' Oak Mtn, north of Lake 823 Comment
  HSC87227  Caulanthus lasiophyllus Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2172 Riverside Palen Pass at the N end of the Palen Mtns. 500 Comment
  SBBG101793  Caulanthus lasiophyllus S. Boyd with T. Ross, M. Hammitt 1991-5-2 6122 Riverside Vail Lake region, summit of Oak Mtn, N of lake near Henderson Benchmark Comment
  SDSU10257  Ceanothus cordulatus T. B. Bruhns 1965-5-22 106 Riverside Strawberry Valley. Trail beginning above Idyllwild. Comment
  CAS-BOT-BC421495  Ceanothus crassifolius L. Nye; G. Gust 2005-3-11 67 Riverside BM 2228 ca. 4 miles W of Murrieta. 453 Comment
  CHSC1500  Ceanothus crassifolius V. Holt 1942-3-30 Riverside Santa Rosa mountains. Comment
  RSA575073  Ceanothus crassifolius Steve Boyd 1981-3-4 810304 -U 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
  UC723782  Ceanothus crassifolius Joseph Andorfer Ewan 1933-3-19 10899 Riverside Tin Mine Canyon Santa Ana Mts. (along canyon bottom) Comment
  UCR172242  Ceanothus crassifolius John F. Green 2006-5-10 s.n. Riverside Peninsular Ranges, City of Murrieta; NE side of the Hogbacks. SE of Los Alamos Road, area bordered by Mason Avenue, Callahan Road and Shannon Lane 488 Comment
  UCR79353  Ceanothus crassifolius Steve Boyd, T. S. Ross 1993-3-1 7722 Riverside Peninsular Range, Vail Lake area, ridge about 1 mi. west of lake, east of 'Little' Oak Mt 610 Comment
  SBBG54813  Ceanothus crassifolius var. crassifolius D. Keil, M. McLeod 1979-3-18 12915 Riverside ca. 6 mi E of Interstate 15, along St Hwy 79, in Pauba Valley area Comment
  UCR157939  Ceanothus cuneatus T. B. Salvato, A. C. Sanders 2005-5-17 928 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
  SEINET3076063 Image available Ceanothus greggii J. Easton 1987-4-23 Riverside E of Anza along Hwy 371, Hamilton Creek Canyon. 1250 Comment
  POM48336  Ceanothus greggii var. perplexans E. C. Jaeger 1925-3-1 s.n. Riverside Snow Canyon, San Jacinto Mts. 457 Comment
  RSA748220  Ceanothus greggii var. perplexans T. Scott, A. Townesmith, K. M. Meyer 2007-3-9 111 Riverside Cleveland National Forest. 0.8 mile down Woodridge Rd. in town of Oak Grove, at Oak Grove trailhead. 855 Comment
  RSA3117  Ceanothus oliganthus Carl B. Wolf 1932-2-11 2646 Riverside Hidden Canyon 5 mi. W. of Corona at base of Santa Ana Mts. 405 Comment
  SEINET11192040  Ceanothus oliganthus subsp. oliganthus C. L. Schmidt 1995-3-25 1315 Riverside ca. 10 miles S of Hemet R3 (Sage Road) St. John's Canyon, close to McGee Hills. 610 Comment
  UCR54252  Ceanothus palmeri David Charlton 1988-5-21 1955 Riverside San Jacinto Mtns., Thomas Mtn Rd, west of Garner Valley and south of Lake Hemet on Hwy 74 1829 Comment
  UCR137061  Ceanothus papillosus Chris E. True, Robert Cox 2004-7-7 s.n. Riverside Santa Ana Mtns., Main Divide Trail, 0.6 km NE of summit of Pleasants Peak 1067 Comment
  RSA495804  Ceanothus tomentosus subsp. olivaceus Steve Boyd, Tim S. Ross, L. Arnseth 1989-3-12 2913 Riverside Southwest end of Oak Mountain northwest of Vail Lake. T8S, R1W NE corner sec. 5. 549 Comment
  UCR224856  Cenchrus ciliaris Chris McDonald 2010-6-8 s.n. Riverside Sonoran (Colorado) Desert, Indio, on Indio Blvd. 0.14 km east of Burr St. on south side of street, between Burr and Madison streets 12 Comment
  SEINET238463 Image available Cenchrus echinatus A. C. Sanders, Mitch Provance; T. B. Salvato 2000-4-18 23326 Riverside Coachella Valley: Along Dillon Rd. at junction with Tyler north of I-10 E of Indio and N of Coachella. 5 Comment
  UCR119425  Centaurea cyanus Mitch Provance 1998-6-6 623 Riverside City of Riverside, NE corner of Van Buren Blvd. and Central Ave. 229 Comment
  SEINET8734799 Image available Centaurea melitensis Jean Coulson 1959-1 s.n. Riverside Box Spring Mts.; Pidgeon Pass Road, 0;6 mi. from fork to dump on E. side of road Comment
  OBI59578  Centaurium calycosum L. A. McGill & H. S. Gentry, H. S. Gentry 1979-5-25 2555 Riverside Murrieta; Howard Scott Gentry Experimental Research Ranch Comment
  RSA209603  Centaurium venustum Robert Eaton 1968-5-13 680513 -11 Riverside Tenaja Rd. 8.5 miles from Washington St. Murietta. Sandia Canyon. 305 Comment
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Apr 20 2008
  RSA683882  Centromadia pungens subsp. laevis Barry L. Jones 2003-5-29 s.n. Riverside USGS quad. For Wildomar & Lake Elsinore, Lake Elsinore area, just north of the intersection of Corydon Road & Grand road. Comment
  CAS-BOT-BC388360  Cerastium glomeratum A. C. Sanders; G. Helmkamp 1996-3-17 17983 Riverside Coachella Valley: Palm Springs, mouth of Palm Cyn., ca. 0.5 km E of Palm Canyon Dr. on Bogert Trail 163 Comment
  UCD98025  Cerastium glomeratum L. G. Benedict 1929-5-6 s.n. Riverside San Jacinto. Comment
  POM14190  Cerastium glomeratum William M. Pierce 1922-4-15 s.n. Riverside Santa Ana Canyon. Santa Ana Mountains. Comment
  SEINET13709762  Cerastium viscosum J. Adams, J. Adams (Botany) 1966-1 713 Riverside Santa Rosa Plateau, Alond Dirt Rd to Murrieta, 15 Mi. E De Luz 2500 Ft 762 Comment
  UCR109643  Ceratophyllum demersum T. W. Fisher, R. E. Orth 1964-6-25 s.n. Riverside San Jacinto Mtns., Lake Hemet near stream 1311 Comment
  CSUSB928  Cercidium floridum Steve G. Nelson 1974-4-13 Riverside Deep Canyon, found near gate to Deep Canyon Reserve in a gravelly wash 152 Comment
  POM230756  Cercidium floridum E. N. Anderson, I. W. Clokey 1935-4-17 6705 Riverside Shaver's Wells Comment
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Apr 24 2011
  UCR187470  Cercocarpus betuloides Diane Menuz, Carlos Navarro, Andrea Salzman 2006-3-24 018 Riverside Peninsular Range; Santa Ana Mtns., Elsinore Peak, Cleveland National Forest, next to fenced off radio towers 1069 Comment
  UCR35158  Cercocarpus betuloides L. B. Ziegler 1972-4-8 446 Riverside San Jacinto Mtns, S side of Thomas Mtn 1829 Comment
  RSA673499  Cercocarpus minutiflorus Scott D. White, Sandra Leatherman 2000-4-19 7665 Riverside Santa Ana Mountains/Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east-and north-facing slopes. 640 Comment
  SDSU13518  Chaenactis artemisiifolia W. Miller with C. Mosse 1972-7-12 Riverside West of M.W. D. Station. Comment
  UC454314  Chaenactis artemisiifolia F. M. Reed 1905-7-4 814 Riverside Coldwater Canon, Riverside Middle Coast Comment
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May 22 2012
  UCR202238  Chaenactis artemisiifolia Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  UCR262260  Chaenactis artemisiifolia T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3725 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  SD185127  Chaenactis carphoclinia John F. Green 2005-3-14 Riverside East of north shore of Salton Sea, northnortheast of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29. 24 Comment
  RSA776843  Chaenactis carphoclinia var. carphoclinia Amber Swanson, Duncan S. Bell 2011-3-18 228 Riverside Above wash about 3 airmiles SE of Desert Center Nof the Chuckwalla Mtns 384 Comment
  UC1119683  Chaenactis carphoclinia var. carphoclinia H. S. Yates 1937-3-23 6443 Riverside 15 mi nne Mecca; Thermal Quad. 457 Comment
  UC63007  Chaenactis carphoclinia var. carphoclinia H. M. Hall 1902-4-11 2807 Riverside Coyote Canyon, w borders of Colorado Desert Colorado Desert, Coyote Canyon 152 Comment
  UCR72459  Chaenactis carphoclinia var. carphoclinia Theo Glenn 1991-5-15 91- 42 Riverside Sonoran (Colorado) Desert, Little Maria Mountains, NW of Blythe 351 Comment
  JEPS30924  Chaenactis fremontii P. Stockwell 1940-4-24 1507 Riverside 1 mi e of Banning Comment
  POM351706  Chaenactis fremontii P. J. Remple 1942-3-1 s.n. Riverside Between Indio and Palm Springs Comment
  RSA775626  Chaenactis fremontii Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 1006 Riverside Road circling Sheep Hole Valley Wilderness, NS569 at junction with Hwy 62 on east side of NS569 along washlets 396 Comment
  RSA700020  Chaenactis glabriuscula Scott D. White, Michael Honer 2003-4-25 9105 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  RSA786075  Chaenactis glabriuscula C. P. Cowan 1978-4-23 1217 Riverside 12.1 mi (19.2 km) S on Hwy 74 from jct with Hwy 111 at Indian Wells. Whittaker transect no.W-220 (voucher). 950 Comment
  SEINET273069 Image available Chaenactis glabriuscula A. C. Sanders, N. Ferguson 1994-6-2 14631 Riverside San Jacinto Mountains: Bautista Canyon ca. 1 mile above the forest service boundary 850 Comment
  UCR142199  Chaenactis glabriuscula June Latting 1979-4-8 s.n. Riverside Box Springs Mountain 915 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
  POM6013  Chaenactis glabriuscula var. glabriuscula E. A. Zumbro 1902-04 15750 Riverside Near Riverside Comment
  OBI33598  Chaenactis glabriuscula var. lanosa John C. Roos 1966-4-29 s.n. Riverside Between March AFB and Lakeview Comment
  RSA523315  Chaenactis glabriuscula var. lanosa G. H. True 1935-4-3 200 Riverside Box Springs 366 Comment
  UCD20139  Chaenactis stevioides Donald W. Kyhos 1976-3-17 67 -7 Riverside 20.6 miles east of Amboy Road on Twentynine Palms Hwy, going towards Vidal Junction. 11.8 miles east of Amboy turnoff. Comment
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Apr 21 2013
  RSA770642  Chamaesyce R. F. Thorne 1966-10-15 41792 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  SBBG29402  Chamaesyce abramsiana D. Myrick 1968-3-5 1813 Riverside Country Club Rd, E of Palm Desert 60 Comment
  RSA0123690  Chamaesyce arizonica Duncan S. Bell, LeRoy Gross 2016-3-30 9148 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7.5 air miles southeast of the summit of Martinez Mountain. 970 Comment
  RSA782276  Chamaesyce micromera R. W. Spjut 2007-10-12 16154 Riverside Sonoran Desert. BLM: Corn Spring Road, frontage road to I-10, 23 miles W of Blythe 150 Comment
  SBBG118575  Chamaesyce parishii L. C. Wheeler 1952-4-5 6850 Riverside near cynyn E of Painted Cyn Comment
  HSC8028  Chamaesyce polycarpa L. S. Rose 1966-12-11 66099 Riverside La Quinta 91 Comment
  POM432475  Chamaesyce polycarpa E. S. Spalding 1925-2-15 s.n. Riverside Painted Canyon. Comment
  RSA433504A  Chamaesyce polycarpa var. hirtella Ora M. Clark 1929-2-23 1559 Riverside North of Whitewater Comment
  CDA4865  Chamaesyce prostrata R. D. Goeden, D. W. Ricker 1965-6-18 s.n. Riverside North side of Blaine Street just west of Gage Canal, Riverside. Comment
  RSA544310  Chamaesyce serpens Steve Boyd 1991-7-13 6416 Riverside Peninsular Range Temescal Canyon, W base of Gavilan Hills, area of old glass factory between Temescal Wash & I-15, just south of Cajalco Road. Comment
  IRVC17315  Cheilanthes clevelandii Gordon A. Marsh, Karlin G. Marsh 1979-12-6 s.n. Riverside Leveland National Forest; Trabuco District; canyon S of GS07 (Main Divide Road); ca. 1 mile E of Ortega Highway (74). Peninsular Ranges, Santa Ana Mountains Comment
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Apr 6 2013
  RSA586048  Cheilanthes clevelandii Darin L. Banks, Steve Boyd 1995-3-16 100 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, Arroyo Seco drainage. 554 Comment
  POM12945  Cheilanthes covillei P. A. Munz, I. M. Johnston 1922-5-19 5400 Riverside San Jacinto Canyon, about rocks at mouth of Strawberry Creek. 823 Comment
  POM281097  Cheilanthes covillei Lyman Benson 1946-4-15 12034 Riverside Canyon on Twenty-nine Palms Road from Whitewater. San Bernardino Mountains, Colorado Desert drainage area. 457 Comment
  POM929  Cheilanthes covillei I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon 762 Comment
  RSA0033579  Cheilanthes covillei Robert F. Thorne 1966-10-15 41810 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway Comment
  POM18178  Cheilanthes newberryi Philip A. Munz 1923-3-10 6585 Riverside San Jacinto River, 3 miles from Elsinore Comment
  UC42541  Cheilanthes newberryi Brewer 1861-1-30 148 Riverside Temescal Range Comment
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Jan 1 2015
  UCR97754  Cheilanthes newberryi A. C. Sanders 1997-3-1 19729 Riverside Box Springs Mountains, Pigeon Pass, canyon below Regulus Road, 0.6 mi. west of Pigeon Pass Road., 0.4 mi. east of Bench Mark 'Table' (2559 ft). 610 Comment
  CAS-BOT-BC70334  Cheilanthes parryi Ira L. Wiggins 1938-3-25 8924 Riverside Eagle Canyon, 3-5 miles south of Palm Springs Comment
  JOTR33996  Cheilanthes parryi La Doux, Tasha, M. Harding 2010-4-7 2884 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  UC1400744  Cheilanthes parryi Alan R. Smith 1973-3-24 576 Riverside ca. 5 mi n of Interstate 10 from Chiriaco Summit Palm Canyon; Joshua Tree Nat'l Monument Comment
  UC812273  Cheilanthes parryi C. L. Hitchcock 1940-4-4 5962 Riverside Cottonwood Springs; Joshua Tree Nat'l Monument 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
  UCR242672  Chenopodium A. C. Sanders 2013-7-6 40837 Riverside Peninsular Range; San Jacinto Mountains, Idyllwild, SE part of town near Saunders Meadow, west end of Tahquitz View Dr. toward Crestview Dr. 1707 Comment
  UCR155814  Chenopodium album John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  UCR125294  Chenopodium berlandieri A. C. Sanders 2002-11-21 25627 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy,' mouth of Bixby Canyon 457 Comment
  RSA614160  Chenopodium californicum D. L. Banks 1997-2-23 1317 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  UCR59507  Chenopodium californicum Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3247 Riverside Peninsular Range, Vail Lake area, south of Hwy 79, 0.25 mi east of Pauba Rd. 457 Comment
  UCR114326  Chenopodium missouriense Mitch Provance 2000-9-18 2265 Riverside Riverside, Prenda area, south side of Hermosa St., c. 0.25 mile west of the intersection with Washington St. 610 Comment
  UCR227964X  Chenopodium murale Jim Andre 2011-2-9 15895 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
  UCR91041  Chenopodium murale George K. Helmkamp 1996-1-18 96-8- 3 Riverside Sonoran (Colorado) Desert, Colorado River Valley, c. 2 miles NE of Blythe 82 Comment
  UCR115136  Chenopodium strictum Mitch Provance 2000-11-2 2295 Riverside North Riverside, Reid Park, c. 0.5 mi SW of the corner of Placentia Ln. and Orange St. 250 Comment
  CLARK-A1656-889  Chilopsis linearis Jim Cornett 1977-6-25 Riverside Desert Hot Springs 411 Comment
  RSA751253  Chilopsis linearis A. C. Sanders 2008-7-25 35924 Riverside Gilman Springs Road, c. midway between Bridge St. and Lambs Canyon Rd., c. 5.6 mi. (air) ENE of Lakeview 473 Comment
  SD113257  Chilopsis linearis Darley F. Howe 1936-6-14 358 Riverside Palm Springs Comment
  LA99447  Chilopsis linearis subsp. arcuata Hisao P. Arai; 1957-4-18 sn Riverside Box Canyon, near Mecca; off Highway 195 Comment
  OBI38269  Chilopsis linearis subsp. arcuata David J. Keil 1985-8-30 18950 Riverside Along road through Joshua Tree NAtl Monument, 5 mi N of I-10 Comment
  RSA0117616  Chilopsis linearis subsp. arcuata Sarah J. J. De Groot 2005-5-16 4969 Riverside Along Worsley Road paralleling Highway 62 between Dillon Road and Indian Ave., Desert Hot Springs area, vicinity of Morongo Creek. 495 Comment
  UC604961  Chilopsis linearis subsp. arcuata Roxana S. Ferris and Ruth P. Rossbach 1938-5-16 9582 Riverside 2 mi. up Painted Canyon; Mecca Hills Comment
  UC729662  Chilopsis linearis subsp. arcuata Carl B. Wolf 1932-5-25 3674 Riverside 1 mi. below Fish Hatchery; n. base San Jacinto Mts., Snow Creek Canyon 396 Comment
  JEPS58859  Chimaphila menziesii Carl V. Meyer 1929-1-4 687 Riverside San Jacinto Mts., Saunder's Meadow Comment
  UCD130404  Chloracantha spinosa Don Pendleton 1988-5-17 s.n. Riverside just west of Blythe along a canal near Hobson Way. Comment
  UCR260163  Chloracantha spinosa Duncan S. Bell 2013-10-29 6089 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake; north of Interstate 10, about a mile southwest of the pumping station 403 Comment
  UCD57916  Chloris gayana F. M. Reed 1934-1-5 s.n. Riverside from garden in Riverside. Comment
  UCR157759  Chloris truncata Scott D. White 1990-9-5 s.n. Riverside Perris-Aguanga Basin region, Perris Valley, SW corner of Nuevo Rd & Dunlap Road, between Perris & Nuevo. Adjacent to the Perris Valley Storm Drain 433 Comment
  SBBG57113  Chloris virgata R. Hoffmann 1929-9-4 Riverside between Wineville [Mira Loma] and Riverside Comment
  RSA192143  Chlorogalum parviflorum H. A. Zuill 1966-6-19 222 Riverside 6 miles SW of Murrieta on the road to Los Alamos Ranch. Comment
  SBBG81486  Chorizanthe brevicornu var. brevicornu S. A. Junak 1983-3-23 1623 Riverside Jefferson Rd, across from entrance to Cahuilla Lake County Park, S of Indio Comment
  UCR16539  Chorizanthe brevicornu var. brevicornu J. Texera 1970-3-27 05 Riverside Sonoran (Colorado) Desert, c. 3 miles south of town of Palm Desert on dirt road continuation of Portola Avenue, 0.75 mile north of boundary fence of Deep Canyon Desert Research Center 207 Comment
  JEPS57635  Chorizanthe corrugata E. E. Schellenger May 1920 Riverside near Mecca (Hayfields, Colorado Desert); Colorado Desert, Hayfields Comment
  RSA517910  Chorizanthe corrugata Steve Boyd, Thomas S. Elias, Erika Winter 1986-2-18 1315 Riverside Mecca Hills, Colorado Desert: Painted Canyon N of Highway 195. Comment
  RSA512166  Chorizanthe fimbriata Ed LaRue 1989-5-3 s.n. Riverside 2 mi. (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at McVicker Canyon. 488 Comment
  SD136790  Chorizanthe fimbriata var. fimbriata Steve Boyd, Tim Ross 1992-6-10 7625 Riverside San Mateo Canyon Wilderness Area. San Mateo Canyon about Potrero Escondido, an isolated area due west of the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek and San Mateo Creek 671 Comment
  CAS-BOT-BC191350  Chorizanthe leptotheca Edmund C. Jaeger 1922-6-14 s.n. Riverside MacMullen Trail, E slope San Jacinto Mts. Comment
  OBI82256  Chorizanthe leptotheca Lee A. Ripma 2008-6-25 130 Riverside Peninsular Ranges: San Jacinto Mts; Alvin Meadows (Blackburn Canyon) 7.5' Q. 1467 Comment
  UCR280959  Chorizanthe leptotheca Mitch Provance, Matt K. Beyers 2017-6-8 617- 10 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. 366 Comment
  RSA339658  Chorizanthe parryi var. parryi Robert F. Thorne, Tilforth 1980-5-28 54226 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  RSA407731  Chorizanthe polygonoides var. longispina Steve Boyd 1986-5-1 1796 Riverside Perris-Aguanga Basin region SW Perris Basin, Hill west of Skunk Hollow. Comment
  UCR249922  Chorizanthe polygonoides var. longispina A. C. Sanders, Steve Boyd, Fred M. Roberts, Robt. L. Allen 2009-4-9 36791 Riverside Peninsular Range; Santa Ana Mtns., Elsinore Peak, c. 0.4 mi. SE of the summit 1014 Comment
  UCR266486  Chorizanthe polygonoides var. longispina Mitch Provance, Eric Kline 2015-3-26 315- 43 Riverside Temecula/Murrieta Region, Murrieta, Antelope Hills neighborhood, NE corner of Menifee Rd. and Clinton Keith Rd. 425 Comment
  UCR48518  Chorizanthe polygonoides var. longispina Steve Boyd 1986-5-1 1788 Riverside Perris-Aguanga Basin region, southwestern Perris Basin, hill west of Skunk Hollow, Skunk Hollow vernal pool 488 Comment
  POM14108  Chorizanthe rigida P. A. Munz, D. D. Keck 1922-4-9 4878 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
  RSA0031016  Chorizanthe rigida Jim Andre 2013-3-27 24805 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). 242 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
  UC178671  Chorizanthe xanti var. leucotheca M. E. Jones 1903-5-11 Riverside Whitewater Comment
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Apr 6 2007
  SD127315  Chrysolepis sempervirens Reid Moran 1973-7-28 21107 Riverside Summit of Toro Peak 2500 Comment
  JOTR16577  Chrysothamnus nauseosus subsp. mohavensis Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. ROADSIDE TO STUBBE SPRING 1341 Comment
  CAS-BOT-BC100783  Chrysothamnus viscidiflorus subsp. viscidiflorus Rev. J. C. Nevin s.n. Riverside San Jacinto Mts. Comment
  UCR269838  Chylismia claviformis A. C. Sanders, Jim Malusa 2016-3-18 42380 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  CAS-BOT-BC160605  Chylismia claviformis subsp. aurantiaca Javier Penalosa 1963-4-10 s.n. Riverside Deep Canyon, 3 mi. south of Palm Desert 213 Comment
  UC635282  Chylismia claviformis subsp. aurantiaca H. L. Mason 1928-3-11 4242 Riverside desert flats near Indio Comment
  POM306147  Cirsium occidentale var. californicum Henry J. Ramsey, Henry J. Ramsey 1937-5-30 1338 Riverside Santa Rosa Mountains. Comment
  POM352169  Cirsium occidentale var. californicum Norman C. Cooper 1949-6-1 3997 Riverside Elsinore. 457 Comment
  RSA192008  Cirsium occidentale var. californicum E. W. Lathrop 1959-5-17 4562 Riverside 14 miles west of Murrieta. Comment
  CAS-BOT-BC438668  Cistanthe ambigua F. O. Ballou 1926-2-27 s.n. Riverside Painted Canon [Canyon] Comment
  CAS-BOT-BC438859  Cistanthe monandra Javier Penalosa 1963-4-10 2775 Riverside Deep Canyon, 3 mi. south of Palm Desert. 213 Comment
  POM46849  Cistanthe monandra H. M. Hall 1904-5-19 4944 Riverside Fairmont Park. Comment
  CLARK-A1528-642  Clarkia deflexa C. M. Flanagan 1973-5-31 OO 601 Riverside Morongo Indian Reservation 914 Comment
  CAS-BOT-BC171996  Clarkia epilobioides John Thomas Howell 1931-5-30 6591 Riverside Santiago Peak Trail, Santa Ana Mts. Comment
  RSA525354  Clarkia epilobioides Steve Boyd, A. C. Sanders, Mark Skinner 1990-4-28 4451 A Riverside Vail Lake area, low, sedimentary hills to E of USFS Dripping Springs Campground along Arroyo Seco Crk, S of Hwy 79. 488 Comment
  CSUSB232  Clarkia purpurea subsp. quadrivulnera Steve Kulju 1974-5-16 Riverside Santa Ana Mountains Murrieta. Tenaja Road, 1.5 miles from Washington Ave. Comment
  RSA448297  Clarkia purpurea subsp. quadrivulnera Gale Sphon 1959-5-2 319 Riverside Horsethief Canyon, Elsinore Mountains. Comment
  RSA448337  Clarkia rhomboidea N. C. Cooper 1949-6-29 4349 Riverside Pine Cove, San Jacinto Mountains. 1829 Comment
  RSA0059934  Clarkia similis D. L. Banks, Steve D. Boyd 1995-5-3 185 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UCR112821  Clarkia similis A. C. Sanders 1997-5-1 20608 Riverside Lake Skinner area, north foot and lower slopes of Black Mtn., edge of Crown Valley on E side of Rawson Canyon 671 Comment
  RSA469298  Claytonia parviflora subsp. parviflora Robert L. Rutherford 1945-6-17 1670 Riverside Big Oaks Canyon, Banning. 1220 Comment
  UC1595608  Claytonia parviflora subsp. parviflora Steve Boyd and Orlando Mistretta 1991-5-22 6291 Riverside e of Dorland Mtn. (w of Kolb Creek, base of Agua Tibia Mtn.); Vail Lake Area, Agua Tibia Mtn. 548 Comment
  SD152775  Claytonia parviflora subsp. viridis Steve Boyd, T. Ross, O. Mistretta 1992-3-31 6754 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Atea. Morgan Trail from Round Potrero W to jtn with Tenaja Tr. In N-fork Bear Creek 671 Comment
  UC75779  Clematis pauciflora Miss M. A. King 1893-1 Riverside Menifee Comment
  UCSB10606  Clematis pauciflora Gill, Robert 1960-3-23 Riverside San Jacinto Mt. Range; Snow Cayon; near end of road 563 Comment
  RSA278958  Cleome isomeris B. A. Prigge, L. Martinez 1978-3-23 2401 Riverside NW Colorado Desert, Coachella Valley, 1.9 miles E of North Palm Springs on Dillon Rd. 243 Comment
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May 20 2013
  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
  UCR106354  Cnicus benedictus John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  RSA0117439  Collinsia concolor Scott D. White, Michael Honer 2003-4-9 8995 Riverside Gavilan Hills: About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak '2349.' 549 Comment
  RSA0117408  Collinsia concolor J. C. Roos 1952-4-13 5530 Riverside Box Springs Mts. 488 Comment
  SD137613  Collinsia heterophylla Darin L. Banks 1995-5-3 263 Riverside Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., Cleveland National Forest, E of the Dripping Springs Alcove Area, lower alluvial benches of Arroyo Seco 512 Comment
  UCR35229  Collinsia heterophylla L. B. Ziegler 1978-5-4 591 Riverside Peninsular Range; San Jacinto Mountain foothills, south of Hemet near Radec, near Temecula River 610 Comment
  JOTR36454  Colubrina californica La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3424 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; narrow north fork of large canyon w/ cobbley wash and steep rocky walls (Stop 2) 338 Comment
  POM246591  Colubrina californica E. C. Jaeger 1938-10-30 s.n. Riverside North border of Chuckwalla Mountains, directly south of Desert Center Comment
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Jan 29 2009
  UCR18910  Colubrina californica John C. Roos 1967-11-11 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mts.; canyon bottom 3 mi. SE of Desert Center Comment
  UCR217666  Convolvulus simulans Ana Hernandez, Rose Cook 2010-4-15 016 Riverside Perris-Aguanga Basin, Estelle, c. 265m south of Cajalco Road, c. 335m east of La Sierra Ave. intersection 426 Comment
  UC468806  Conyza canadensis F. M. Reed 1905-9-25 406 Riverside Terraces Ranch Comment
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Oct 20 2007
  RSA191427  Conyza coulteri E. W. Lathrop, R. F. Thorne 1967-9-26 6603 Riverside 6 mi. NW of Murrieta, Tenaja Road at the pass entering valley leading to Tenaja Guard Station. 610 Comment
  RSA717578  Conyza coulteri A. C. Sanders 2004-5-11 27844 Riverside Elsinore Basin Region: Alberhill Mountain, former clay mine area ca. 1 mile SE of Alberhill 439 Comment
  CLARK-A1528-4195  Cordylanthus filifolius John C. Roos 1965-8-18 Riverside San Jacinto Mountains Comment
  RSA0030791  Cordylanthus rigidus subsp. setiger J. C. Roos 1965-8-18 s.n. Riverside Thomas Valley, San Jacinto Mtns. Comment
  POM355979  Coreopsis bigelovii Ora M. Clark 1929-3-17 1709 Riverside NW Whitewater, Colorado Desert. Comment
  UC63197  Corethrogyne filaginifolia H. M. Hall Riverside Riverside Comment
  SBBG59853  Cornus sericea subsp. occidentalis R. Hoffmann 1929-9-7 Riverside San Jacinto Mtns 1524 Comment
  CLARK-A1528-5630  Cotula australis John C. Roos 1965-12-20 Riverside Riverside 243 Comment
  UCR104036  Cotula australis George K. Helmkamp, E. A. Helmkamp 1997-3-5 1328 Riverside 2.8 mi SE of Gilman Hot Springs 518 Comment
  CAS-BOT-BC427775  Crassula connata C. L. Hitchcock 1966-3-15 24149 Riverside 1 mi. e. of Glen Ivy Hot Springs Comment
  POM129654  Cressa truxillensis J. D. Abrams 1900-05 11204 Riverside Elsinore Comment
  RSA557352  Cressa truxillensis Julie Greene 1993-5-12 1292 Riverside North side of San Jacinto River levee, west of Davis Road. 433 Comment
  UCR182510  Cressa truxillensis Mitch Provance 2005-5-17 6586 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
  NY268562  Crossosoma bigelovii T. Labouchere 1915-4-15 3315 Riverside San Jacinto Mountain. Comment
  RSA0020372  Croton californicus Duncan S. Bell 2012-3-4 3131 Riverside Arica Mountains; along old railway line about 4.5 air miles south of the ghost town of Rice. 217 Comment
  RSA70558  Croton californicus F. W. Peirson 1920-12-29 4439 Riverside 1.5 miles east of Whitewater Station, head of Coachella Valley. Comment
  SEINET3089930 Image available Croton californicus B. Pitzer 1986-5-24 247 Riverside Whitewater Canyon, ca. 5 mi N of Hwy I-10 on Whitewater Canyon Road. From N edge of Hatchery to ca. 1/4 mi N of hatchery boundary. Whitewater 7.5' quad. 731 Comment
  VVC1451  Croton californicus A. C. Sanders, J. Mac 1996-11-23 19651 Riverside San Bernardino Mtns., Whitewater Canyon, just below the fish hatchery 648 Comment
  JOTR01098  Croton californicus Cole, James E. 1941-5-30 823 Riverside Joshua Tree National Park. LOST HORSE VALLEY 1310 Comment
  RSA0036098  Croton californicus Norman Cooper 1944-4-23 1141 Riverside Cabazon. 457 Comment
  POM255562  Croton californicus var. mohavensis I. W. Clokey 1935-4-16 6726 Riverside East of Mecca. 200 Comment
  UCR94939  Croton setiger Scott D. White 1996-9-22 4530 Riverside Perris Basin, Lakeview Mtns: north of Homeland, along Juniper Flats Road, c. 1.2 road miles north of intersection with State Hwy 74, unnamed drainage channel parallel to the road 500 Comment
  UCR193734  Cryptantha A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35651 Riverside Peninsular Range; San Jacinto Mtns., May Valley, slopes west of Herkey Creek and north of Bonita Vista Rd., SSW of Fleming Ranch 1524 Comment
  UCR234283  Cryptantha A. C. Sanders 2012-4-12 40034 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between El Hermano Rd. and I-15 crossing near Mayhew Canyon 311 Comment
  SD121358  Cryptantha angustifolia G. K. Helmkamp 1983-4-5 483 33 Riverside Chuckawalla Mountains, large wash below Chuckawalla Spring, 9 miles southwest of Graham Pass Road 490 Comment
  SEINET3004967  Cryptantha angustifolia G. Rink 2011-3-24 10391 Riverside Sandy wash north of Blythe, east of the McCoy Mtns 109 Comment
  UC166882  Cryptantha angustifolia unknown May 1 1906-May 10 1906 239 a-6761 Riverside Palm Springs Colorado Desert Comment
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Nov 30 2009
  UCR101576  Cryptantha angustifolia 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
  UCR20836  Cryptantha angustifolia A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1306 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  UCSB10403  Cryptantha angustifolia Gunnerson, Robert 1953-3-21 Riverside 12 mi. east of Indio Comment
  POM98737  Cryptantha angustifolia P. A. Munz 1926-1-31 9974 Riverside Dos Palmas Spring Comment
  SEINET10939654  Cryptantha angustifolia David B. Dunn 1946-3-15 Dunn 2028 Riverside Collected on dry plateau in vicinity of Pushawalla Canyon, Indio Hills. Sparse desert scrub of Larrea and Franseria, with palms at the springs in the canyon. Comment
  JOTR28812  Cryptantha barbigera La Doux, Tasha 2005-2-7 1080 Riverside Joshua Tree National Park. Above Hayfield Dry Lake 553 Comment
  POM311695  Cryptantha barbigera Wm. Jeffrey 1957-4-3 145 Riverside 1 mile from mouth of Whitwater Canyon. 610 Comment
  RSA795812  Cryptantha barbigera C. P. Cowan 1978-4-23 1173 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon. 570 Comment
  UCR167272  Cryptantha barbigera John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  UCR180144  Cryptantha barbigera Mitch Provance 2003-4-26 9896 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
  UCR19583  Cryptantha barbigera Dr. H. de Forest 1924-4-13 s.n. Riverside Western Colorado Desert region, Tahquitz Canyon 457 Comment
  UCR86879  Cryptantha circumscissa A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16259 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
  UCR26949  Cryptantha clevelandii var. clevelandii E. W. Lathrop 1966-5-8 6413 Riverside Peninsular Range; Santa Ana Mountains, Cleveland National Forest, Hagador Canyon, Trabuco District, 3 miles SW of Corona 275 Comment
  CAS-BOT-BC227861  Cryptantha costata Dave Silverman 2010-3-24 7824 Riverside South Palen Lake, Chuckwalla Valley, 5.1 km SE of Sidewinder Well, 2.7 km SW of Palen Dunes Dr., and 3.4 km N of Interstate 10 133 Comment
  UC1191073  Cryptantha dumetorum Francia Chisaki and Peter M. Ray 1952-4-6 2199 Riverside about 0.25 mi w Cottonwood Springs; Joshua Tree National Monument Comment
  UCR267886  Cryptantha dumetorum Jim Andre 2013-3-4 23868 Riverside Sonoran (Colorado) Desert, 0.2 miles east of Hwy 95, just south of Riverside Mountains, just north of Queen Sable Point 96 Comment
  RSA297034  Cryptantha holoptera John F. Emmel 1973-3-21 420 Riverside Canyon 2.4 air miles NW of Lost Lake Landing (1.5 air miles W of N end of Alligator Slouth on 1949 USGS quad), E. slope Riverside Mountains. 152 Comment
  RSA0106802  Cryptantha intermedia Mitch Provance 2012-5-24 512 -04 Riverside San Bernardino Mountains: Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 869 Comment
  RSA18948  Cryptantha intermedia Roxana S. Ferris, Ruth P. Rossbach 1938-5-20 9665 Riverside Foot of grade, State Highway #74, along San Jacinto River.[cismontane foothills -SDW 2006] Comment
  RSA33876  Cryptantha intermedia N. C. Cooper 1944-6-4 1364 Riverside Elsinore Mountain; Lookout at top. 1066 Comment
  RSA502894  Cryptantha intermedia Ed LaRue 1989-3-30 s.n. Riverside Rancho California area, ca. 4 miles W of Temecula,with Ave. del Oro as the N boundary. 381 Comment
  RSA699341  Cryptantha intermedia J. R. Bruff 1928-4-2 s.n. Riverside Canyon wash 1 mile west of Morengo. Comment
  UCD119843  Cryptantha intermedia C. L. Hitchcock 1966-3-16 24193 Riverside about 5 miles northeast of Aguanga. Comment
  UCR241639  Cryptantha intermedia T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 346 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  JOTR35048  Cryptantha maritima La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3501 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road on south-facing bajada among sonoran desert riparian washes. Comment
  RSA0026119  Cryptantha micrantha J. Andre, G. Clifton, Ron Kelley 2013-3-21 24387 Riverside West Riverside Mountains; at base of NW corner of range where sand ramps 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
  RSA728603  Cryptantha micrantha Gary D. Wallace, M. Wallace, Z. Wallace 1982-3-27 1893 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
  RSA50324  Cryptantha micrantha var. lepida E. K. Balls 1949-5-4 13489 Riverside 6 miles from boundry of National forest, on Baning-Idylwild road. 1371 Comment
  UCR193489  Cryptantha micrantha var. lepida A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35608 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mile SW of Fleming Ranch, along dirt track 1555 Comment
  RSA180398  Cryptantha microstachys E. W. Lathrop 1965-5-9 5718 Riverside 6 miles W of Murrieta Comment
  RSA543954  Cryptantha microstachys Steve Boyd, Orlando Mistretta 1991-5-9 6185 b Riverside Santa Ana Mountains, lower flank of range along the Bedford Truck Trail on ridge between Bedford and McBribe Canyons. 549 Comment
  UCR158856  Cryptantha microstachys Scott D. White 1994-6-14 2060 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  UCR162961  Cryptantha microstachys S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  RSA786476  Cryptantha muricata C. P. Cowan 1978-4-24 1249 Riverside 19.6 mi S on Hwy 74 from its jct with Hwy 111 at Indian Wells. Sta. Rosa Road, 1 mi S of 74. Whittaker transect no.W-225(voucher). Comment
  RSA772061  Cryptantha muricata var. jonesii Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4627 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR214897  Cryptantha nevadensis var. nevadensis A. C. Sanders 2010-3-23 37530 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mtns. 140 Comment
  RSA0079019  Cryptantha pterocarya var. cycloptera Thomas Stoughton, Chrsiti Gabriel, Stephanie Rockwood 2011-3-30 903 Riverside East Mojave Desert region: McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  UCR72188  Cryptantha pterocarya var. cycloptera Theo Glenn 1992-3-31 92- 08 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  SDSU20929  Cryptantha pterocarya var. stenoloba J. M. Andre 2013-3-27 24800 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. South of Rice (Hwy 62). Elev: 793 ft. NAD83 N34 03.191' W114 51.788' 7.5' Quad: Rice. 242 Comment
  JOTR32918  Cryptantha racemosa Andre, Jim, Tasha La Doux 2009-2-28 10840 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; along Berdoo Canyon Rd, approx. 2.5mi north of JTNP boundary, approx. 5mi north of Dillon Rd. 744 Comment
  SEINET186302  Cryptantha racemosa Philip A. Munz 1940-3-24 15693 Riverside 3 miles south of Cottonwood Springs Eagle Mts. 457 Comment
  RSA689696  Cryptantha simulans Valerie Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1704 Riverside Slope above junction of Dark Canyon and Fuller Mill Creek. 1494 Comment
  UCR116778  Cucurbita foetidissima A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24169 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  JEPS46524  Cucurbita palmata W. L. Jepson 1912-10-28 5234 Riverside near Riverside Mts. (Colorado River); Colorado River 91 Comment
  JOTR32031  Cucurbita palmata La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2262 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; near Squaw Tank; sandy flats among large granitic boulders and foothills (Stop 2) 1063 Comment
  CLARK-A1528-2662  Cupressus stephensonii John C. Roos 1962-5-19 Riverside Loma Linda Comment
  RSA409704  Cuscuta californica M. B. Dunkle 1934-2-19 3838 Riverside San Juan Canyon 396 Comment
  SBBG119583  Cuscuta californica var. californica R. F. Thorne 1963-7-26 32821 Riverside Trabuco District, Cleveland Nat Forest 304 Comment
  UCR127528  Cuscuta denticulata Bern Schwenn 1994-3-21 s.n. Riverside Transverse Range/Sonoran (Colorado) Desert, Joshua Tree National Park and vicinity, Little San Bernardino Mtns, along radio tower road in first canyon west of Pushawalla Canyon 549 Comment
  RSA735178  Cuscuta subinclusa Scott D. White, Justin M. Wood 2005-9-27 11232 Riverside San Gorgonio Pass: Cabazon: Alluvial benches and braided dry channels south of Interstate 5 [I-10] and west of San Gorgonio River. 579 Comment
  UC520001  Cuscuta subinclusa Joseph Andorfer Ewan 1932-7-9 7497 Riverside Santa Ana River at Chino Creek; Santa Ana River Comment
  POM78926  Cycloloma atriplicifolium I. M. Johnston 1925-7-1 s.n. Riverside 1 mile W of Wineville on Ontario Road [Mission Blvd.] Comment
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Jul 25 2009
  UCR93043  Cycloloma atriplicifolium Scott D. White 1992-9-11 797 Riverside Vicinity of Gilman Hot Springs, north side of San Jacinto River & a thin strip trending north of the river & west of the Hot Springs 459 Comment
  UCR117348  Cylindropuntia californica var. californica Mitch Provance 1998-3-22 282 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', or also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 Comment
  RSA0098477  Cylindropuntia echinocarpa Marc A. Baker 2015-4-14 18325 Riverside San Gorgonio Pass, south base of the San Bernardino Mountains, 24 km NW of central Palm Springs, 3 km ENE of Cabazon. 559 Comment
  SD248376  Cylindropuntia echinocarpa Michelle Cloud-Hughes, Tim Thomas and Kelsey Black 2013-3-24 89 Riverside Ripley 7.5'Q quad. Palo Verde Mesa, 14 km WSW of Blythe. 120 Comment
  RSA563930  Cynanchum louiseae A. C. Sanders 1985-9-5 5951 Riverside Riverside UCR Botanic Garden 400 Comment
  RSA770305  Cynodon dactylon Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4490 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 W116.64311 487 Comment
  RSA549282  Cyperus acuminatus Steve Boyd, Timothy S. Ross, D. Zippin, T. Oberbauer 1991-6-14 s.n. Riverside Skunk Hollow area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aquaduct. Comment
  UCR92732  Cyperus difformis A. C. Sanders 1994-7-27 15165 Riverside Riverside, Santa Ana River between the San Bernardino Co. line & the Market Street Bridge 246 Comment
  SEINET269470  Cyperus esculentus Scott D. White, Steve Ogg 1994-10-17 2469 Riverside Temecula Valley, Murrieta Creek 1000 ft. south of Winchester Road bridge (Banana Avenue on USGS Murrieta quad photorev. 1979). 300 Comment
  UCR78671  Cyperus esculentus Scott D. White 1992-9-11 793 Riverside Vicinity of Gilman Hot Springs, north side of San Jacinto River & a thin strip trending north of the river & west of the Hot Springs 459 Comment
  RSA365083  Cyperus odoratus Joseph A. Ewan 1931-10-3 5215 Riverside Santa Ana River 4 mi NW of Corona. Comment
  UCD141139  Cyperus rotundus Malcolm A. Nobs; S. Galen Smith 1948-9-3 503 Riverside Thermal. Imperial Valley. Comment
  RSA751911  Cystopteris fragilis Scott D. White, Justin M. Wood 2009-5-22 12914 Riverside Idyllwild area; Strawberry Fuelbreak between Strawberry Creek and road to sewage ponds. Comment
  LA109893  Cytisus striatus A. C. Sanders; Chet McGaugh 1991-7-19 11142 Riverside Murrieta Hot Springs, large venal pool on the S side of Murrieta Hot Springs Rd., E of Via Princesa and N of Calle del Lago 347 Comment
  POM1191  Dactylis glomerata D. L. Crawford, I. M. Johnston 1917-6-9 1227 Riverside Santa Ana River near Corona Comment
  UCR138584  Dalea mollis Steve Boyd, Orlando Mistretta 1986-3-13 1428 Riverside Sonoran (Colorado) Desert, Palen Mtns: NE of Desert Center, junction of Parker Dam Road and 'Palen Road' (road going through pass between Palen and Granite Ranges) 366 Comment
  UCR228169  Dalea mollis Dave Silverman, Mark Bibbo 2010-3-30 7891 Riverside Sonoran (Colorado) Desert, lower east flank of southern McCoy Mountains, 2.0 km W of Black Creek Rd, 6.5 km E of McCoy Pk, and 4.9 km north of I-10 183 Comment
  SEINET10452149  Dalea mollissima David B. Dunn 1946-3-16 Dunn 2089 A Riverside Collected on dry plateau 1/2 mi ne of pushawalla palms. Indio hills. Sparse Desrt scrub of larrea and franseria, with palms at the springs in the canyon. Comment
  UCR41745  Dalea mollissima A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6067 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, c. 1/2 mi. west of Graham Pass Rd., on powerline road 1/2 mi. south of old Hwy 60 (Chuckwalla Road) 134 Comment
  SEINET183428 Image available Dasyochloa pulchella Harry S. Yates 1937-3-24 6454 Riverside Deep Canyon Coachilla Valley 457 Comment
  UCR35197  Datisca glomerata L. B. Ziegler 1969-7-30 389 Riverside San Jacinto Mountains, Hemet Valley. In dry creek bed in side canyon on W side of valley opposite Kenworthy R.S. 1341 Comment
  UCR186730  Datura discolor Scott D. White, Pam DeVries 2006-3-14 11262 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, a few mi east of Indio, at proposed I-10 Freeway/ McNaughton Parkway interchange, north of the I-10 Freeway 152 Comment
  UCR23746  Datura discolor John C. Roos 1965-11-6 s.n. Riverside Sonoran (Colorado) Desert, 26 mi west of Blythe 115 Comment
  UCR244889  Datura discolor A. C. Sanders, T. B. Salvato 2012-10-12 40406 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd. near intersection with Graham Pass Rd., 4.56 km west of I-10 junction 124 Comment
  CSUSB773  Datura meteloides Elliott Helm 1975-5-3 Riverside 10 miles from Desert Center on Highway 177. Colorado Desert. 396 Comment
  SD148266  Daucus pusillus A. C. Sanders, Steven R. Hill 2001-5-4 24126 Riverside Perris-Aguanga Basin region: Temecula, Long Canyon area west of Del Rey Road, hills on both sides of gas pipeline route. 335 Comment
  CAS-BOT-BC293825  Deinandra fasciculata H. M. Hall 1904-5-30 4966 Riverside Vicinity of Riverside. Highgrove 365 Comment
  RSA703225  Deinandra kelloggii R. E. Riefner Jr. 2004-4-27 04 -147 Riverside Morreno Valley, south of Allesandro St. near Merwin St. and Kimber Ave. 354 Comment
  RSA703539  Deinandra kelloggii R. E. Riefner Jr. 2004-4-27 04 -147 Riverside Morreno Valley, south of Allesandro St. near Merwin St. and Kimber Ave. 354 Comment
  RSA759102  Deinandra kelloggii Robt Allen, Linnell R. Allen 2008-7-27 s.n. Riverside Long Canyon watershed, along Long Canyon Rd. 136 meters (0.08 air miles) NW of junction with Ortega Hwy (SR74). In meadow S of roadway. 724 Comment
  UCSB27090  Deinandra kelloggii Wilken, Dieter 1970-6-5 Riverside 3.2 miles east of Aguanga on road between Aguanga and Paradise Valley Comment
  UCR266425  Deinandra paniculata D. E. Bramlet, Bill Wagner 2009-10-19 4402 Riverside Peninsular Range, Riverside, Sycamore Canyon Reserve, c. 0.5 km north of Allesandro Blvd., west of Sycamore Canyon Blvd., along dirt pole line road 495 Comment
  RSA68780  Delphinium parishii F. W. Peirson 1928-4-24 7897 Riverside Cottonwood Springs, northern Colorado Desert Comment
  UCR41230  Delphinium parishii N. M. Fellows, A. C. Sanders 1985-4-9 155 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  CAS-BOT-BC7987  Delphinium parishii subsp. parishii Philip Alexander Munz; Percy C. Everett 1952-5-2 16240 Riverside Morongo Wash, n.w. end of Coachella Valley 457 Comment
  RSA0020484  Delphinium parishii subsp. parishii E. C. Jaeger 1922-4-15 711 Riverside Palm Springs. 139 Comment
  LA207619  Delphinium parishii subsp. subglobosum Carl Epling; Mrs. Epling 1937-6-7 sn Riverside 1 mi. above Pine Flat Comment
  SD138818  Delphinium parishii subsp. subglobosum Craig Reiser 1993-5-17 Riverside West of Santa Rosa Mountain, near head of Nance Canyon and Coyote Creek Comment
  UC188655  Delphinium parryi subsp. parryi S. B. and W. F. Parish Mar 1883 256 Riverside border Colorado Desert; Cabezon Station, S.P.R.R. Comment
  OBI11830  Dendromecon rigida Tracey & Viola Call, Viola Call 1962-4-13 2133 Riverside Tin Mine Cyn, ridge above skyline dr 732 Comment
  UCR173144  Dendromecon rigida Abby Sirulnik 2000-5-7 30 Riverside Peninsular Ranges; San Jacinto Mtns., along Mt. Edna Rd. off of Calif. Hwy 243, c. 5 mi. N of Poppet Flats 1159 Comment
  RSA544431  Deschampsia danthonioides Steve Boyd, Timothy S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6337 Riverside Skunk Hollow area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aquaduct. Comment
  UCR264651  Descurainia pinnata Mitch Provance 2013-4-8 413- 07 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  POM7044  Descurainia pinnata subsp. glabra P. A. Munz, L. T. Street, G. Williams 1919-3-28 2371 Riverside San Gorgonio Pass, near Banning 701 Comment
  RSA594527  Descurainia pinnata subsp. glabra D. L. Banks, Dylan Hannon 1996-5-3 1007 Riverside Agua Tibia Mountains; Cleveland National Forest; Dripping Springs Campground, 30 m N of campsite #9 487 Comment
  RSA740651  Dichelostemma capitatum Scott D. White, Justin M. Wood 2008-6-19 12269 Riverside Meadows at Baldy Mtn. 1585 Comment
  RSA192267  Dichelostemma capitatum subsp. capitatum E. W. Lathrop 1960-3-11 4660 Riverside 5 miles west of Murrieta. Comment
  CAS-BOT-BC292180  Dicoria canescens Marcus E. Jones 1928-1-3 s.n. Riverside Indio Comment
  POM248382  Dicoria canescens E. Harvey 1939-1 s.n. Riverside Cathedral City. Comment
  SEINET3004922  Dicoria canescens G. Rink 2010-10-4 10340 -a Riverside Seven miles west of Blythe, sand dunes 152 Comment
  UC1177917  Dicoria canescens S. Galen Smith 1948-1-1 344 Riverside 10 mi n Coachella Comment
  CAS-BOT-BC292249  Dieteria asteroides var. asteroides Durant; Street 1918-5-13 1 Riverside Near Hemit [Hemet] 335 Comment
  SD115008  Dieteria canescens var. ziegleri Fred T. Sproul 1977-8-13 185 Riverside Along road to Santa Rosa Pk. At beginning of Pine-Oak Woodland (mak 11/07) Comment
  SD243250  Diplachne fusca var. uninervia Mike Lahti 2008-12-12 Riverside Hemet. Bautista Creek Ranches, 45200 Bautista Road, near Fairview Avenue. Comment
  SD152746  Diplacus brevipes Steve Boyd, T. Ross, D. Bramlet 1993-5-12 7334 Riverside San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream fro confluence with Los Alamos Canyon downstream to confluence with Tenaja Canyon 366 Comment
  RSA0019415  Diplacus fremontii Noel Holmgren, Liew Fah Seong 1969-6-17 3580 Riverside San Jacinto Mountains, county road R1, at Black Mountain turnoff, 8.5 miles north of Idyllwild. Comment
  RSA0019303  Diplacus puniceus A. C. Sanders 2004-4-20 27534 Riverside Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line. 640 Comment
  CAS-BOT-BC195676  Distichlis spicata H. S. Yates 1937-6-27 20940 Riverside Near Relief Hot Springs Comment
  UCR104602  Ditaxis californica James C. Dice, C. Barrows, K. Nicol, I. Eleck 1997-11-6 97116 - Riverside Coachella Valley, La Quinta, just west of Avenida Montezuma and Calle Nogales, E foot of Indio Mtn. 61 Comment
  RSA576024  Ditaxis lanceolata Christopher Davidson 1979-4-4 7736 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  RSA600221  Ditaxis lanceolata L. C. Wheeler 1959-12-27 7644 Riverside Chuckwalla Mountains. White Cloud Mine. Comment
  UCR234815  Ditaxis lanceolata Jim Andre, Glenn L. Clifton 2011-2-22 17480 Riverside Coachella Valley, 1.2 mi due south of Windy Point (at Hwy 111, just southwest of 'The Cove' housing development near Blaisdell Creek, at base of San Jacinto Mountains 320 Comment
  UCR86210  Ditaxis lanceolata A. C. Sanders 1995-5-23 17112 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fans below the Santa Rosa Mountains, north of Toro Canyon., west of Monroe St., and south of Avenue 62 91 Comment
  VVC648  Ditaxis neomexicana P. J. MacKay 1997-2-8 103 Riverside Sonoran Desert, Palm Springs, Murray Canyon; at edge of creek btw palm groves 243 Comment
  CAS-BOT-BC43633  Dithyrea californica L. R. Abrams 1926-3-26 11088 Riverside Indian Wells to Indio. Comment
  CAS-BOT-BC43652  Dithyrea californica Ivan Johnston 1917-4-4 1107 Riverside Colorado Desert. Near Palm Springs. Comment
  RSA0019474  Dithyrea californica J. Andre, G. L. Clifton, Ron Kelley 2013-3-21 24390 Riverside West Riverside Mountains; at base of NW corner of range where sand ramps 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
  UC2015548  Dithyrea californica A. C. Sanders with G. Helmkamp, P. MacKay, et al 1995-3-19 16186 Riverside Coachella Valley, Willow Hole, 4 miles south of Desert Hot Springs. Comment
  POM305364  Dodecatheon clevelandii Henry J. Ramsey, Henry J. Ramsey 1938-3-26 654 Riverside Between Corona and Elsinore. Comment
  UCR19331  Dodecatheon clevelandii subsp. clevelandii Aleena M. Tarshis 1977-4-7 s.n. Riverside Riverside; Cajalco Rd., about 1 mile west of La Sierra Ave, Lake Mathews 457 Comment
  JEPS14663  Dodecatheon redolens Carl V. Meyer 1928-7-26 544 Riverside vicinity Deer Springs (San Jacinto Mountains); , vicin Deer Springs 2743 Comment
  CLARK-A1045-157  Downingia cuspidata George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains vernal pool near origin of creek; Wildomar 7.5'Q Comment
  PASA303  Downingia immaculata Frank W. Peirson 1922-4-29 Riverside Field south of Lake Elsinore 380 Comment
  UC10472  Draba corrugata var. saxosa H. M. Hall July, 1901 2413 Riverside near the summit San Jacinto Mountains San Jacinto Mountains 3291 Comment
  POM183961  Draba cuneifolia var. integrifolia P. A. Munz 1932-3-15 12009 Riverside Deep Canyon, Coachella Valley. 91 Comment
  POM370050  Draba cuneifolia var. integrifolia W. M. Zabriskie 1973-2-16 113 Riverside Upper Pipistrelle Canyon, Deep Canyon drainage. N slope Santa Rosa Mrns. 762 Comment
  RSA650388  Drymocallis glandulosa Marion P. Harthill 1976-5-6 s.n. Riverside Rancho California. 610 Comment
  CAS-BOT-BC157797  Drymocallis lactea var. lactea H. M. Hall 1901-7-1 2355 Riverside In meadows and bogs of [Tauquitz] Tahquitz Valley 2499 Comment
  SD181580  Dudleya edulis Scott D. White, Teresa Salvato 2001-6-8 8564 Riverside Santa Ana Mountains, southern margin of county, just northeast of Rainbow Valley; Temecula [quad]. Occasional (patchy) on rocky slopes and broad, A+-flat granite boulders and outcrops. 334 Comment
  RSA0124009  Dudleya lanceolata Duncan S. Bell 2016-4-14 9281 Riverside Santa Rosa Mountains; near the head of Deep Creek, along the Sawmill Tail; in the vicinity of the old water tank along the road. 1301 Comment
  RSA645935  Dudleya lanceolata Scott D. White 1999-6-8 7451 Riverside Corona, near Bedford Canyon: foothills at eastern slope of Santa Ana Mts. ''Joseph Canyon'' wash near a disused quarry. 335 Comment
  UCR240273  Dudleya lanceolata Jeffrey Ross, T. B. Salvato 1998-6-9 MOR- 339 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Lion Canyon, c. 3.5 miles NNW of Cabazon 854 Comment
  UCR48404  Dudleya multicaulis Steve Boyd 1986-5-7 1846 Riverside Peninsular Range, Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, south of Hwy I-15 366 Comment
  SD137796  Dudleya pulverulenta subsp. pulverulenta Darin L. Banks, Steve Boyd 1995-10-17 818 Riverside Northwest Palomar Muntains; Agua Tibia Mountains; Agua Tibia Wilderness Area, along lower Arroyo Seco, south of the Dripping Springs Campgroun 525 Comment
  SEINET8060010 Image available Echinocactus polycephalus var. polycephalus Michael Chamberl 1990-1-11 11 Riverside Barstow SE quad. Barstow Rd. entry to BLM limited use land. N of saloon. West side of Rd. on low hill. Stoddard Valley. between power lines to the south, and double power lines to the north 900 Comment
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Jun 4 2016
  RSA0125621  Echinocereus engelmannii var. engelmannii G. Ross Robertson s.n. Riverside Palm Springs, Colorado Desert. Comment
  UCR167446  Eclipta prostrata John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  UCR9300  Eclipta prostrata K. Black 1969-10-26 s.n. Riverside Santa Ana River bottom near the Van Buren Bridge Comment
  UCR268307  Ehrendorferia chrysantha Jim Andre 2012-6-15 30500 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243 at Mount Edna Road, c. 1 mile north of McMullen Flat, 5.9 miles south of Hwy I-10 at Banning 1172 Comment
  SDSU17678  Ehrharta longiflora Jerry Jenkins 2001-4-2 2001 -051 Riverside West of S.M. River, UTM zone 6, 481900E, 3699850N. Comment
  POM11870  Elatine brachysperma P. A. Munz, I. M. Johnston 1922-5-19 5569 Riverside Menifee Valley. 427 Comment
  RSA234013  Elatine californica R. F. Thorne, E. W. Lathrop 1969-6-6 39320 Riverside Santa Rosa Plateau: Rancho California, Mesa de Colorado 624 Comment
  SD219027  Elatine californica Robert F. Thorne 1973-5-23 43840 Riverside Santa Rosa Plateau-Mesa de Colorado: N edge of large vernal marsh in shallow water. 609 Comment
  UCR93237  Eleusine indica A. C. Sanders 1994-7-27 15163 Riverside Riverside, Santa Ana River between the San Bernardino Co. line & the Market Street Bridge 246 Comment
  UCR260552  Elymus condensatus T. B. Salvato, Matt Malle 2014-5-29 8018 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Cottonwood Hills (= Sunset Ave), c. 1 mi west of Murrieta Rd and 4.3 mi southeast of Canyon Lake 534 Comment
  UCR281004  Elymus condensatus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-23 517- 37 Riverside Temescal Valley, Temescal Valley, Indian Wash, SE side of Glen Eden Rd. at De Palma Rd. 372 Comment
  UCR133109  Elymus elongatus John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  RSA5223  Elymus elymoides C. B. Wolf 1932-8-5 3948 Riverside Trail from Tahquitz Valley to San Jacinto Peak, San Jacinto Mountains. 2622 Comment
  JOTR31140  Elymus elymoides subsp. elymoides La Doux, Tasha 2009-6-3 1851 Riverside Joshua Tree National Park. (Stop 2): Little San Bernardino Mountains, Covington Flats Area, Covington Spring 1396 Comment
  CSUSB447  Elymus glaucus Heather Hanson 1966-5-16 Riverside Camp Evans; At the foot of the western side of Mount. Rubidoux, 100 yards north of Mission Blvd. 213 Comment
  UCR15233  Elymus glaucus E. W. Lathrop 1973-6-28 7438 Riverside Santa Ana Mtns., Main Divide Truck Trail between El Cariso and Santiago Peak, Cleveland National Forest 1220 Comment
  RSA591814  Elymus glaucus subsp. glaucus E. W. Lathrop 1973-6-28 7438 Riverside Main Divide Truck Trail between El Cariso and Santiago Peak, Cleveland National Forest. 1220 Comment
  RSA595261  Elymus glaucus subsp. jepsonii D. L. Banks, Elizabeth Hedge Banks 1996-5-2 943 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage. 524 Comment
  UCR213879  Elymus hispidus Scott D. White, Justin M. Wood 2008-6-16 12124 Riverside San Jacinto Mountains, Fobes Canyon, c. 1 mi up Fobes Ranch Road from Fobes Spring 1555 Comment
  UCR207469  Elymus repens O. F. Clarke 2002-12-21 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UCR20449  Elymus stebbinsii E. W. Lathrop 1966-6-1 6374 Riverside Cleveland National Forest. 14 mi NW of Murrieta, Los Alamos Road between Fisherman Camp and Main Divide Truck Trail. Comment
  UCR2102  Elymus trachycaulus F. M. Reed 1908-7-14 2471 Riverside San Jacinto Mtns., canyon on road to Strawberry Valley [Old Control Rd. from Oak Cliff, vicinity of Halfway Spring] 1220 Comment
  UCR140697  Elymus triticoides A. C. Sanders 2004-5-12 27874 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  UCR207759  Elymus triticoides O. F. Clarke 2004-5-31 s.n. Riverside San Bernardino Valley Region, Riverside, along Spring Brook on the west side of Fairmont Park 238 Comment
  UCR2376  Elymus triticoides F. M. Reed 1926-5-20 5372 Riverside Santa Ana Mtns., Santa Rosa Plateau, akaline lake margin west of Temecula [presumably the large vernal pool on Mesa de Colorado, c. 7 mi. due west of Temecula] 625 Comment
  OBI2172  Emmenanthe penduliflora P. A. Holden 1969-4-6 706 Riverside At foot of Morongo Grade just W of hwy 62 and just N of Mission Crk Comment
  RSA543174  Emmenanthe penduliflora Steve Boyd, Mike Hammitt, Tim Ross 1991-5-2 6084 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  RSA562451  Emmenanthe penduliflora Steve Boyd, Tim Ross 1992-5-5 7238 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail 732 Comment
  SEINET7073450  Emmenanthe penduliflora 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
  UCR123822  Emmenanthe penduliflora var. penduliflora Steven R. Hill 2001-5-3 33661 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
  LA26721  Encelia actoni William Shapeero; 1954-4-28 sn Riverside Joshua Tree National Monument Comment
  POM356690  Encelia actoni Julian P. Donahue 1984-10-6 90405 Riverside Pinyon Crest, Pinyon Flat, between San Jacinto & Santa Rosa Mts. 1249 Comment
  UC495322  Encelia actoni P. A. Munz 1932-4-24 12399 Riverside Snow Creek Canyon San Jacinto Mts., Snow Creek Canyon 457 Comment
  CLARK-A1528-203  Encelia californica B. Day 1952-2-6 Riverside Comment
  UC1118073  Encelia farinosa H. S. Yates 1936-6-6 5409 Riverside San Jacinto Quad., Palm Springs 137 Comment
  UCR124641  Encelia farinosa B. C. Templeton, I. W. Clokey 1930-4-9 1001 Riverside Sonoran (Colorado) Desert, North of Palm Springs 400 Comment
  UCR245234  Encelia farinosa Jim Andre 2012-3-19 21324 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
  UCR34969  Encelia farinosa L. B. Ziegler 1976-5-20 547 Riverside San Jacinto Mtns, Potrero Creek (Massacre Canyon), lower canyon below falls. 457 Comment
  UCR104014  Encelia farinosa var. phenicodonta George K. Helmkamp 1998-4-4 3134 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  CAS-BOT-BC131414  Encelia frutescens L. R. Abrams 1926-3-26 11119 Riverside Between Edom and Garnet, East of San Gorgonio Pass Comment
  JEPS30404  Encelia frutescens Donald Kyhos 1957-3-20 1 (57-3) Riverside Hwy 99 at north end Salton Sea Comment
  CAS-BOT-BC81541  Ephedra californica Robert F. Thorne 1964-5-3 33851 Riverside near hwy ca 4 miles S of Morongo Valley and ca 3 miles S of San Bernardino Co. line Comment
  RSA33305  Ephedra californica N. C. Cooper 1943-10-3 940 Riverside Cabazon, Alkali flat. 610 Comment
  RSA383874  Ephedra californica A. Menke 1955-5-22 s.n. Riverside Palm Springs Station. Comment
  SBBG88010  Ephedra californica A. C. Sanders, D. Charlton, B. Pitzer 1986-3-3 6142 Riverside N foot of the Chuckwalla Mtns, 2.75 airline mi SE of Desert Center 365 Comment
  UC813690  Ephedra nevadensis C. L. Hitchcock 1940-3-29 5868 Riverside Cottonwood Canyon Cottonwood Canyon (ca 100 yds e of Spring in sandy wash) Comment
  UC1979839  Ephedra trifurca Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-4-6 987 Riverside Mojave Desert; Southcentral Mojave Desert region: Iron Mountains, on southwest side of mountains in drainage on either side of the road. Comment
  UCR110391  Epilobium brachycarpum A. C. Sanders, Mitch Provance 1999-9-26 23085 Riverside San Jacinto Mountains, McMullen Flat at Valley High County Park, 0.7 mi. SE of Hwy 74 on Twin Pines Ranch Road 1183 Comment
  UCR85585  Epilobium campestre Julie A. Greene 1993-5-12 1325 Riverside San Jacinto Valley, San Jacinto Wildlife Area, SE end of visitor center road, east of Davis Road 436 Comment
  UCR163893  Epilobium canum B. G. Pitzer 2001-8-19 4341 Riverside Peninsular Range; Santa Rosa Mountains, Carrizo Canyon, sheep guzzler c. 0.5 mi. SW of where Hwy 74 crosses canyon 701 Comment
  UCR35214  Epilobium canum L. B. Ziegler 1967-9-6 243 Riverside San Jacinto Mtns, Hemet Valley 1402 Comment
  RSA596149  Epilobium canum subsp. canum D. L. Banks 1996-11-7 1197 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; At the end of the main road in the Reservation, at the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 494 Comment
  CAS-BOT-BC171736  Epilobium canum subsp. latifolium Adele O. Merritt 1925-11-1 s.n. Riverside Palm Springs Comment
  RSA448508  Epilobium canum subsp. latifolium N. R. Zabriskie, W. M. Zabriskie 1972-10-22 547 Riverside Cactus Spring Trail between Dolomite mine & Horsthief Canyon; N slope Santa Rosa Mountains. (E of site 13). 1098 Comment
  RSA44860  Epilobium canum subsp. latifolium J. C. Roos, L. Roos 1947-11-1 3754 Riverside Eagle Mountains, Lost Palms Canyon. Comment
  UCR39543  Epilobium ciliatum A. C. Sanders 1980-8-21 1777 Riverside San Jacinto Mountains, Mt. San Jacinto Wilderness Area. east of Saddle Junction at the head of Tahquitz Creek, c. 2 mi NE of Idyllwild 2409 Comment
  POM244818  Epilobium ciliatum subsp. ciliatum E. C. Jaeger 1938-8-15 s.n. Riverside Cottonwood Creek. About 20 miles south of Hemet. 915 Comment
  UC64301  Epilobium ciliatum subsp. ciliatum H. M. Hall July 1901 2640 Riverside Johnston Ranch San Jacinto Mountains, vicinity of Strawberry Valley (along watercourses) 1600 Comment
  RSA356642  Epilobium densiflorum Robert F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47296 Riverside Santa Rosa Plateau: Cleveland National Forest, along Tenaja Creek at Tenaja Guard Station. Comment
  RSA388408  Epilobium densiflorum Robert F. Thorne, Steve D. Boyd, E. W. Lathrop 1985-7-18 61170 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 534 Comment
  POM48409  Epilobium glaberrimum subsp. glaberrimum P. A. Munz 1924-7-28 8812 Riverside Pine Flats 1738 Comment
  UCR18395  Epilobium hallianum A. C. Sanders 1978-9-3 468 Riverside San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  SDSU12982  Equisetum hyemale subsp. affine Michael G. Simpson with Claudia A. Luke 1999-10-27 2015 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/4 mile from Southside Facilities. 152 Comment
  UCR123836  Equisetum laevigatum Steven R. Hill 2001-4-29 33531 Riverside Western Colorado Desert/ San Bernardino Mtns., E side of Whitewater Canyon along Whitewater River, east of Whitewater Canyon Road, about 2 mi north of Route I-10 549 Comment
  UCR93083  Eragrostis barrelieri A. C. Sanders, S. Ogg 1994-7-28 15168 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  CAS-BOT-BC204486  Eragrostis cilianensis J. C. Roos 1965-7-7 s.n. Riverside San Jacinto Comment
  CLARK-A1528-4628  Eragrostis cilianensis John C. Roos 1965-7-7 Riverside San Jacinto Comment
  OBI12406  Eremalche exilis Robert F. Hoover 1969-4-14 11235 Riverside Palm Springs, just S of S city limit Comment
  UC1007180  Eremalche rotundifolia Philip A. Munz 1940-3-23 15668 Riverside Dale to Cottonwood Springs; s. base Pinto Mts. 609 Comment
  UCSB9703  Eremalche rotundifolia Leeuwen, Henry 1957-4-13 Riverside Next to US 60, near juncture with Cal 195 Comment
  RSA736530  Eremocarpus setiger Scott D. White, Angelia Carey 2004-7-2 10573 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UCR35047  Eriastrum densifolium subsp. densifolium L. B. Ziegler 1967-5-31 137 Riverside San Jacinto Mtns, Pinyon Flats 1220 Comment
  UCR80901  Eriastrum densifolium subsp. densifolium G. Fred Hrusa 1993-6-24 11239 Riverside Along Hwy 371 c. 5 m north of junction with Hwy 79 900 Comment
  RSA0120095  Eriastrum eremicum subsp. eremicum C. B. Wolf 1932-5-25 3678 Riverside 1 mile below the Fish Hatchery, Snow Creek, north base of San Jacinto Mountains 396 Comment
  CAS-BOT-BC514474  Eriastrum eremicum subsp. eremicum Annie M. Alexander; Louise Kellogg 1941-5-23 2219 Riverside 4 mi NE of Cottonwood Spring, Colorado Desert 1112 Comment
  RSA0120073  Eriastrum eremicum subsp. eremicum P. A. Munz 1921-5-1 4552 Riverside 5 miles northeast of Whitewater. 457 Comment
  RSA0121257  Eriastrum eremicum subsp. eremicum Robert Gustafson 1980-5-5 1572 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon wash. 610 Comment
  UCD169642  Eriastrum harwoodii Dave Silverman; Fred Sproul, Tammy Beyerl, Erin Bergman 2010-3-29 7875 Riverside East end of Chuckwalla Valley, W of Blythe, 1.3 m S of gas line frontage, 1.9 km S of I-10 and 8.5 km west of Nicholl's Warm Spring. 141 Comment
  JEPS69111  Eriastrum sapphirinum W. L. Jepson 1914-5-25 6072 Riverside San Gorgonio Pass 548 Comment
  SBBG5826  Eriastrum sapphirinum H. and M. Dearing 1940-6-8 4354 Riverside Palms to Pines Hwy, W of Ribbonwood Comment
  UCR167828  Eriastrum sapphirinum T. B. Salvato, Melissa Clemons 2005-6-2 1353 Riverside Peninsular Range; Temescal Valley, Gavilan Hills, c. 0.5 mi SE of Steele Peak, 4 miles SW of Perris, and 6 miles NNE of Lake Elsinore, NW of Hwy 74 610 Comment
  UCR233085  Eriastrum sapphirinum T. B. Salvato 2011-6-12 5463 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
  RSA0135760  Eriastrum sapphirinum subsp. dasyanthum Sarah J. De Groot, Robert K. Lauri 2005-7-7 5114 Riverside Western San Jacinto Mountains: Along Chimney Flat Road/Old Control Road 5S08, vicinity of Chimney Flat. 1421 Comment
  UCR48399  Eriastrum sapphirinum subsp. dasyanthum Steve Boyd 1986-5-7 1844 Riverside Peninsular Range, Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, south of Hwy I-15 366 Comment
  RSA0122955  Eriastrum sapphirinum subsp. dasyanthum E. W. Lathrop 1968-6-2 6946 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1219 Comment
  CAS-BOT-BC515043  Eriastrum sapphirinum subsp. sapphirinum Winifern W. Swarth 1914-9-17 s.n. Riverside San Jacinto Mts., Strawberry Valley 1828 Comment
  UCR245793  Ericameria brachylepis A. C. Sanders, T. B. Salvato, Ana Hernandez, Karyn Drennen, Angela Collada 2013-10-2 40955 Riverside Peninsular Range, Wilson Valley Preserve, 0.35 air mi. south of Wilson Valley Rd. and 0.8 mi. east of Sage Rd., 1.4 mi. east (93 deg. ) of Round Top Mountain 739 Comment
  JEPS31370  Ericameria linearifolia W. L. Jepson 1901-5-22 1342 Riverside Palm Canon Comment
  RSA645614  Ericameria linearifolia Scott D. White, Steve Ogg 1994-4-21 1981 Riverside Millard Canyon, near stream crossing w/ USFS Road 2S05, +/-4 miles south of Bear Wallow Spring. 915 Comment
  JOTR32895  Ericameria nauseosa var. mohavensis La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1555 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; active wash near base of granitic outcrops 1250 Comment
  SEINET10808748  Ericameria nauseosa var. mohavensis David B. Dunn 1946-8-17 Dunn 2728 Riverside Found along trail to Hidden Lake in San Jacinto Mts. Comment
  CAS-BOT-BC299544  Ericameria paniculata P. A. Munz 1946-10-20 11585 Riverside Cottonwood Springs, Joshua Tree National Monument 1066 Comment
  UC64808  Ericameria paniculata E. E. Schellenger 1904-10-19 19 Riverside Colorado Desert, Chuckwalla Bench Comment
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Jan 15 2017
  UCR22309  Ericameria parishii Steve Boyd 1980-12-20 367 Riverside Peninsular Range, Gavilan Hills, Gavilan plateau, radio tower ridge south of Gavilan Peak Comment
  CAS-BOT-BC131639  Ericameria parishii var. parishii Edmund C. Jaeger 1923-6-24 s.n. Riverside East slope of San Jacinto Mtn. 2133 Comment
  UCD131528  Ericameria parishii var. parishii E. W. Lathrop 1966-3-30 6119 Riverside Main Divide Truck. Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1219 Comment
  CAS-BOT-BC293185  Ericameria pinifolia H. M. Hall 1927-10-23 12300 Riverside Between Temecula and Pala (San Diego Co.) Comment
  UCR117710  Ericameria pinifolia Mitch Provance 1998-6-11 680 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville; housing development now known as Southridge 320 Comment
  RSA0120443  Erigeron divergens Duncan S. Bell, LeRoy Gross 2016-5-18 9601 Riverside Santa Rosa Mountains; west side of Martinez Mountain; along the Cactus Spring Trail where it crosses Horsethief Creek. 1050 Comment
  RSA747863  Erigeron divergens Justin M. Wood 2009-5-11 684 Riverside Morris Ranch Rd., roadside just E of Tripp Meadow. 1616 Comment
  RSA655046  Erigeron foliosus Scott D. White 1999-6-6 7439 Riverside Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds at terminus of USFS Road 5S24.2. 1432 Comment
  POM17508  Erigeron foliosus var. foliosus P. A. Munz 1923-6-18 7133 Riverside Temecula Canyon Comment
  CLARK-A1528-4616  Eriochloa aristata John C. Roos 1937-8-20 477 Riverside Blythe Comment
  RSA455026  Eriodictyon crassifolium H. de Forest 1924-4-18 s.n. Riverside Andreas Canyon. Comment
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Nov 17 2011
  CAS-BOT-BC189126  Eriodictyon crassifolium var. crassifolium Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway, Mount San Jacinto Comment
  SD248438  Eriodictyon crassifolium var. crassifolium A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41462 Riverside San Gorgonio Pass: San Gorgonio River wash, c. 2.95 miles ESE of Cabazon, c. 0.84 mile NNW (335a^z) of One Horse Spring, south of I-10 and SE of water bottling plant, edge of wind farm (White Water 7.5'Q) 452 Comment
  SEINET7073459  Eriodictyon tomentosum 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
  CLARK-A1528-545  Eriodictyon trichocalyx C. M. Flanagan 1973-5-31 OO 616 Riverside Morongo Indian Reservation 975 Comment
  UC219595  Eriodictyon trichocalyx var. lanatum P. A. Munz 1922-6-25 5816 Riverside Santa Rosa; Santa Rosa Mts., Santa Rosa 1524 Comment
  LA205719  Eriodictyon trichocalyx var. trichocalyx Carl Epling; William Robison 1933-6-24 sn Riverside Little San Bernardino Mountains, San Gorgonio Wash, near Banning Comment
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Jun 22 2015
  POM122546  Eriogonum apiculatum Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  UCR111261  Eriogonum apiculatum Ralph Hoffmann 1929-9-7 s.n. Riverside San Jacinto Mountains, Fuller's Mill Comment
  JEPS56701  Eriogonum davidsonii W. L. Jepson 1903-8-4 2282 Riverside below Thomas Valley forks (trip to Spruce Canyon; Chalk Hill); San Jacinto Mts., Chalk Hill 1524 Comment
  JOTR35460  Eriogonum davidsonii Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 63 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop4) Comment
  UCR5704  Eriogonum davidsonii Frank C. Vasek 1966-9-5 660905- 11 Riverside Peninsular Ranges, San Jacinto Mtns., Banning-Idyllwild Rd. at Dark Canyon Rd. junction 1463 Comment
  UCR101592  Eriogonum deflexum 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
  UCR129152  Eriogonum deflexum Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Sonoran (Colorado) Desert, Canyon Spring, Orocopia Mtns. 372 Comment
  CHSC8072  Eriogonum deflexum var. deflexum Edward L. Smith 1958-3-22 407 Riverside Coxcomb Mts. Located 15 mi. n of Desert Center. 182 Comment
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Apr 5 2011
  UC666501  Eriogonum deflexum var. deflexum Annie M. Alexander and Louise Kellogg 1941-5-28 2264 Riverside 2 mi e, in wash next to rocky hills Shaver Summit; Colorado Desert 469 Comment
  UC2061658  Eriogonum elongatum var. elongatum Thomas Stoughton with E. Gardner, D. Bell 2010-11-12 717 Riverside Transverse Ranges; San Bernardino Mountains, Pacific Crest Trail, west of White Water Canyon, north of the junction of Highway I-10 and Rte 111. Comment
  POM159934  Eriogonum fasciculatum var. flavoviride E. C. Jaeger 1926-3-26 s.n. Riverside Eagle Mts. Comment
  UC1032054  Eriogonum fasciculatum var. foliolosum A. Lewis May 1934 435 Riverside Los Pinos Peak Cleveland National Forest, Elsinore Quadrangle, Los Pinos Pe Comment
  UCSB11587  Eriogonum fasciculatum var. foliolosum Trimble, F. 1962-5-19 Riverside Two miles north of Lake Mathews 533 Comment
  LA206787  Eriogonum fasciculatum var. polifolium W. Pequegnat; 1938-5-15 sn Riverside Santa Ana Mountains, Bear Springs Comment
  RSA28018  Eriogonum fasciculatum var. polifolium C. L. Hitchcock 1940-3-30 5874 Riverside Cottonwood Spring. Comment
  CAS-BOT-BC253486  Eriogonum gracile Mrs. J. D. Abrams 1901-5-1 s.n. Riverside Elsinore Comment
  SD136782  Eriogonum gracile Steve Boyd 1994-10-14 8379 Riverside San mateo Canyon Wilderness Area of the Cleveland National Forest. Fisherman's Camp Trail (7S02) from Wildomar Road (7S01) west into Tenaja Canyon at its confluence with San Mateo Canyon, NW/4 sec 28 462 Comment
  POM184174  Eriogonum gracile var. gracile M. French Gilman 1932-11-30 12 Riverside Cabazon. Comment
  UCR21987  Eriogonum gracile var. gracile Steve Boyd 1980-7-20 338 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  CAS-BOT-BC257578  Eriogonum inflatum Peter Kamb 1948-4-11 882 Riverside Aqueduct Road 5 mi east of Garnet, Coachella Valley 304 Comment
  RSA0005084  Eriogonum nodosum var. jaegeri E. C. Jaeger 1921-11-15 251 Riverside Morongo Wash near Hole-in Wall Spring. Comment
  RSA160411  Eriogonum parishii J. D. Olmsted 1959-9-23 1001 Riverside N Fork San Jacinto River drainage area: Flat on NW side of Idyllwild Banning Rd. halfway up grade south of Dark Canyon Creek crossing 1799 Comment
  JOTR34363  Eriogonum pusillum Andre, Jim 2012-4-16 20879 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  UC1252147  Eriogonum pusillum Robert Langston 1964-4-27 Riverside 12 mi sw Palm Desert (Pinyon Crest); Pinyon Crest Comment
  CAS-BOT-BC253017  Eriogonum reniforme Noel H. Holmgren; Patricia K. Holmgren; Ruth E. Kern 1973-3-23 6479 Riverside At the south entrance to Joshua Tree National Monument, near Interstate 10, 24 mile seast of Indio 548 Comment
  RSA64581  Eriogonum reniforme F. W. Peirson 1928-4-24 7911 Riverside Cottonwood Springs, northern Colorado Desert Comment
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Oct 9 2010
  SBBG1613  Eriogonum reniforme H. and M. Dearing 1937-4-10 Riverside 16 mi N of Indio Comment
  CAS-BOT-BC268552  Eriogonum saxatile Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  JOTR32450  Eriogonum saxatile La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2043 Riverside Joshua Tree National Park. Little San Bernardino Mountains, above Lower Covington Flats; STOP 2: steep rocky canyon heading up to west side of Quail Mountain region Comment
  UCR35087  Eriogonum saxatile L. B. Ziegler 1975-5-1 540 Riverside San Jacinto Mtns., Pinyon Flats 1250 Comment
  CAS-BOT-BC263505  Eriogonum thomasii Noel H. Holmgren; Patricia K. Holmgren 1974-3-23 7468 Riverside Box Canyon wash, 11.4 (9 airline) miles east-northeast of Mecca 243 Comment
  CAS-BOT-BC263524  Eriogonum thomasii John H. Thomas 1957-3-30 6526 Riverside 0.8 miles east of Cactus City, about 13 miles east of Coachella, near U.S. Highways 60 and 70, Colorado Desert 518 Comment
  RSA264057  Eriogonum thomasii Noel Holmgren, Patricia K. Holmgren 1974-3-23 7468 Riverside Box Canyon Wash, 11.4 (9 aitrlines) miles east-northeast of Mecca. 244 Comment
  SEINET3160073  Eriogonum thomasii G. B. Grant 1906-5-1 440 -6741 Riverside on Colorado desert at Palm Springs Comment
  UCR244293  Eriogonum thomasii Jim Andre 2012-4-16 20881 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd., 1.0 mi. north of south entrance to J.T.N.P. 584 Comment
  UCR2968  Eriogonum thomasii D. L. Flaherty 1963-4-11 131 Riverside Sonoran (Colorado) Desert, 10 miles east of Mecca on Highway 195 along side of road, Box Canyon 244 Comment
  CAS-BOT-BC262875  Eriogonum thurberi Geo. B. Grant 1902-6-25 s.n. Riverside San Gabriel Canon [Canyon] 457 Comment
  CAS-BOT-BC263587  Eriogonum trichopes Edmund C. Jaeger 1939-3-31 s.n. Riverside Boulder Well, north east of Desert Center Comment
  CAS-BOT-BC263595  Eriogonum trichopes Roxana S. Ferris 1918-6-14 972 Riverside Near Indian Wells Comment
  SD146182  Eriogonum trichopes Andy C. Sanders, T. B. Salvato 2000-4-27 23372 Riverside Coachella Valley; east side of Coachella Canal near the foot of the Mecca Hills, vicinity of the east end of Ave 60 14 Comment
  CAS-BOT-BC264929  Eriogonum wrightii var. membranaceum H. M. Hall 1901-7-1 2608 Riverside Strawberry Valley 1828 Comment
  CAS-BOT-BC261781  Eriogonum wrightii var. nodosum Nancy Ryan Zabriskie; Walter Zabriskie 1970-11-1 330 Riverside Andreas Canyon area, east slope San Jacinto Mts. 426 Comment
  RSA450253  Eriogonum wrightii var. nodosum J. C. Roos 1965-9-26 s.n. Riverside Rocky point near Palm Springs Station. Comment
  UC582930  Eriogonum wrightii var. nodosum P. A. Munz 1936-5-5 14593 Riverside 2 mi n main highway; Cochella valley, Whitewater Creek Comment
  UC511896  Eriophyllum ambiguum var. paleaceum Frank W. Peirson 1933-4-13 10638 Riverside road from Deep Canyon to Idlewild 762 Comment
  CAS-BOT-BC297352  Eriophyllum confertiflorum Mrs. J. D. Abrams 1901-5-20 s.n. Riverside Elsinore Comment
  RSA6121  Eriophyllum confertiflorum C. B. Wolf 1932-5-25 3691 Riverside 1/4 mile SW of summit of Moreno Grade, Bad Lands SW of Beaumont 671 Comment
  SD37562  Eriophyllum confertiflorum Florence Post 1931-5-1 Riverside Lake Elsinore region. Comment
  UCD132264  Eriophyllum confertiflorum P. C. Everett; E. K. Balls 1958-5-4 23081 Riverside Morongo Pass, 7.6 mi. n. along road to 29 Palms from U.S. Hwy. 60/70. 670 Comment
  UC219587  Eriophyllum confertiflorum var. confertiflorum P. A. Munz 1922-6-27 5857 Riverside Santa Rosa Santa Rosa Mts., Santa Rosa 2011 Comment
  RSA688836  Eriophyllum multicaule Scott D. White, Michael Honer 2003-6-17 9545 Riverside S Perris Basin: Murrieta. Interstate 215 / Clinton Keith interchange. 457 Comment
  UC1463087  Eriophyllum multicaule Arthur S. Barclay and Juan Arguelles 1965-4-22 1913 Riverside vicinity of Murrieta Comment
  RSA92387  Eriophyllum multicaule F. W. Peirson 1922-4-29 2927 Riverside Road to Leach Canyon 1 mile N of Lake Elsinore. Comment
  CAS-BOT-BC296969  Eriophyllum wallacei Catherine A. Toschi 1963-4-11 63 :127 Riverside Porcupine Wash, Joshua Tree National Monument; sandy wash 762 Comment
  CAS-BOT-BC302040  Eriophyllum wallacei 1891-4-4 601 a Riverside San Jacinto Comment
  UCR882  Eriophyllum wallacei S. C. Anderson 1957-4-14 s.n. Riverside Santa Rosa Mtns., Deep Canyon, south of Palm Desert. 305 Comment
  UCR137705  Erodium brachycarpum D. L. Banks 1997-3-16 1541 Riverside NW Palomar Mountains, Agua Tibia Mountains, N face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound 567 Comment
  RSA0013157  Erodium cicutarium LeRoy Gross, Caitlin Elam 2013-5-14 6064 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
  UCD103187  Erodium cicutarium E. W. Lathrop 1966-5-8 6459 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest, Trabuco District. 274 Comment
  UCR178525  Erodium cicutarium R. G. Swinney 1967-2-12 0027 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek 335 Comment
  RSA391827  Erodium cicutarium Katharine Beers 1929-1 s.n. Riverside Murietta Hot Springs. 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
  UCR164929  Erysimum capitatum T. B. Salvato, John F. Green 2004-5-27 631 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  RSA282905  Erysimum capitatum var. capitatum C. W. Tilforth, John Dourley 1980-7-15 2069 Riverside Along Thomas Mtn Road, south of Lake Hemet, W of Hwy 74. Comment
  RSA0018795  Erythranthe guttata G. R. Campbell 1948-7-4 621 Riverside near Dark Canyon Public Camp Ground, north of Idyllwild. 1738 Comment
  JEPS51796  Eschscholzia californica W. L. Jepson May 17 1901-Jun 1 1901 1319 Riverside Chalk Hill Mt. San Jacinto Comment
  POM293998  Eschscholzia californica Lyman Benson, Robert Benson 1952-4-8 14850 Riverside Colorado Desert. 2 miles west of Shaver Summit, east of Indio, US 66. Colorado Desert Drainage Area. 610 Comment
  RSA33577  Eschscholzia californica N. C. Cooper 1944-6-4 1362 Riverside Elsinore Mountain; Lookout at top. 1067 Comment
  UCR22132  Eschscholzia californica Steve Boyd 1980-5-3 175 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  UCR98679  Eschscholzia californica S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  CAS-BOT-BC83127  Eschscholzia minutiflora John H. Thomas 1957-3-30 6523 A Riverside 0.8 mile east of Cactus City, about 13 miles east of Coachella, near U.S. Highways 60 and 70. 518 Comment
  NY43343  Eschscholzia minutiflora C. R. Annable 1995-3-15 2282 Riverside 2.7km SW of Valerie, on road to Martinez Canyon Comment
  POM220074  Eschscholzia minutiflora F. R. Fosberg 1932-3-13 8070 Riverside Thousand Palms Canyon, Coachella Valley. Comment
  RSA445642  Eschscholzia minutiflora M. B. Dunkle 1933-3-3 3026 Riverside Devils Cactus Garden, Colorado Desert 152 Comment
  RSA445669  Eschscholzia minutiflora M. B. Dunkle 1932-3-25 2915 Riverside 10 miles NW of Indio. Colorado Desert. 30 Comment
  UCSB3646  Eschscholzia minutiflora Krogen, Roger 1957-1 Riverside 4 mi. S of junction of HWY 195 and HWY 60-70; at N edge of Orocopia mts Comment
  CAS-BOT-BC419619  Eschscholzia parishii Ynez Whilton Winblad 1937-3-22 s.n. Riverside Near Mecca Comment
  SBBG70178  Eschscholzia parishii M. N. Ackley -Mar-1928 772 Riverside Colorado Desert Comment
  UCR112492  Eucalyptus camaldulensis A. C. Sanders 1998-6-12 21982 Riverside Riverside, UCR campus, in gravel among trailers in 'surge area' (UCR trailer park) on east side of campus 335 Comment
  UCR231738  Eucrypta chrysanthemifolia John F. Green 2008-4-23 08- 05 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
  POM8546  Eucrypta chrysanthemifolia var. bipinnatifida Mary F. Spencer 1920-4-7 210 Riverside Palm Canyon. Comment
  RSA420858  Eucrypta chrysanthemifolia var. bipinnatifida E. C. Jaeger 1922-3-20 809 Riverside Murray Canyon, Colorado Desert. 366 Comment
  RSA614403  Eucrypta chrysanthemifolia var. chrysanthemifolia D. L. Banks 1997-3-16 1536 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound. 567 Comment
  SD137734  Eucrypta chrysanthemifolia var. chrysanthemifolia Darin L. Banks, Steve Boyd 1995-4-5 159 Riverside Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove, east of the Dripping Springs Trail. 609 Comment
  POM498192  Eucrypta micrantha Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  SD241045  Eucrypta micrantha Dave Silverman, Onkar Singh 2010-3-27 7865 Riverside McCoy Wash, N of Palo Verde Mesa, 5.3 km W of Mesaville siding, W of A Canal/Levee Blvd, and ca. 7 km N of Blythe Airport. 135 Comment
  GMDRC3749  Euphorbia eriantha J. Andre, J. AndreT. La Doux 2009-3-1 11246 Riverside Little San Bernardino Mountains: Joshua Tree Natl. Park: south end of the Cottonwood Mtns near Pinkham Wash just N. of aquaduct just inside JTNP boundary, approx 7 mi. W. of S. entrance into park at Cottonwood. USGS 7.5 min. Quad: Cottonwood Basin 33 deg. 40.948' N 115 deg. 52.141' W. Elev. 1778 ft. 542 Comment
  SEINET8043500 Image available Euphorbia eriantha Duncan S. Bell, Evan Meyer 2014-1 6517 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  RSA599290  Euphorbia ocellata subsp. ocellata L. C. Wheeler 1952-10-29 7010 -a Riverside Riverside. Citrus Experimental Station. Comment
  JEPS73679  Euphorbia palmeri C. V. Meyer June 1927 200 Riverside Saunder's Meadow San Jacinto Mt.; , Saunder's Meadow Comment
  CLARK-A1528-439  Euphorbia platysperma Edmund C. Jaeger 1964-8-17 280 ? Riverside Coachella Valley Comment
  UCR41338  Euphorbia polycarpa N. M. Fellows 1985-1-5 61 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
  SEINET10848001  Euphorbia polycarpa A. K. Evans 1976-4-13 Evans 5162 Riverside Desert canyons of Santa Rosa Mountains. Comment
  RSA432488A  Euphorbia polycarpa var. hirtella N. C. Cooper 1949-4-8 3270 Riverside Mecca Pass east of Indio. 548 Comment
  UCD142732  Euphorbia polycarpa var. hirtella Lewis S. Rose 1966-12-11 66099 Riverside La Quinta. 91 Comment
  CLARK-A1528-2708  Euphorbia setiloba John C. Roos 1958-9-28 Riverside San Jacinto Mountains 1219 Comment
  RSA559950  Euphorbia spathulata Steve Boyd, Orlando Mistretta 1992-4-23 7061 Riverside San Mateo Canyon Wilderness Area, along San Mateo Creek from Riverside Co. line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 243 Comment
  RSA480018  Fagonia laevis Steve D. Boyd, Richard Noyes, S. Meury, L. Arnseth, D. Nordin, Tim Ross 1988-3-10 2147 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA775960  Fagonia laevis Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 808 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 396 Comment
  UC218081  Fagonia laevis P. A. Munz, R. D. Harwood 1920-4-3 3578 Riverside 30 mi w Blythe 365 Comment
  UC963827  Fagonia laevis Helen K. Sharsmith 1952-4-11 4062 Riverside nw base Chuckwalla Mountains (7 mi s of Highway 60-70); Colorado Desert 533 Comment
  UCR72160  Fagonia laevis Theo Glenn 1991-5-7 91- 89 Riverside Sonoran (Colorado) Desert, Big Maria Mtns, north of Blythe 365 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
  CHSC103495  Fagonia pachyacantha Steve Boyd; Tammy Morgan, Aydee Virgen, Sarah DeGroot 2004-5-14 11237 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  RSA605772  Fagonia pachyacantha A. C. Sanders 1995-5-23 17115 Riverside Colorado Desert, Coachella Valley: alluvial fans below the Santa Rosa Mtns., N of Toro Cyn., W of Monroe St., S. of Ave. 62 15 Comment
  RSA0120132  Festuca arundinacea Duncan S. Bell, Thomas Stoughton 2016-4-13 9272 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  UCR225588  Festuca microstachys A. C. Sanders, T. B. Salvato 2011-3-29 38868 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor 0.45 east of Goetz Rd. and 0.07 km east Wheat St. 450 Comment
  UCR266477  Festuca octoflora Mitch Provance, Matt Amalong 2015-3-25 315- 37 Riverside Paloma Valley, Murrieta, old Clydesdale horse ranch 0.4-0.6 miles S of Keller Rd., along unmarked dirt portion of Menifee Rd. 450 Comment
  UCR93096  Festuca octoflora George K. Helmkamp 1995-3-16 s.n. Riverside Sonoran (Colorado) Desert, 5.6 mi NE of Desert Center on Rice Rd. 152 Comment
  RSA387341  Filago arizonica Steve Boyd 1986-5-1 1789 Riverside Perris-Aguanga Basin region SW Perris Basin, Hill west of Skunk Hollow. Comment
  UCR228838  Filago arizonica A. C. Sanders, T. B. Salvato 2011-4-27 39337 Riverside Peninsular Range, south side of Alberhill Mountain in vicinity of Durant Siding and Terra Cotta, near Nichols Rd. and extension (under construction) toward Lake St. 390 Comment
  RSA272184  Filago californica C. W. Tilforth 1978-4-30 1581 b Riverside Low, rounded hills east of Norco Comment
  UCR155822  Filago californica John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  UCR213280  Filago californica A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37693 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 378 Comment
  RSA774293  Filago depressa Duncan S. Bell, The Desert Survivors Organization 2011-4-8 2189 Riverside Northwest section of the Granite Mountains; approximately 1 air mile southeast of junction of Highway 62 and Highway 177. 470 Comment
  CDA5874  Flaveria trinervia Lew Davis 1977-12-15 Riverside 1 mile north of Freeway 91, west side of McKinley Street, Corona. 0 Comment
  CSUSB830  Fouquieria splendens John N. Bullock 1970-5-8 s.n. Riverside 75 meters west of California State Highway 195 8.1 m. east of the All American Canal, Mecca Hills, T.6 S., R.10 E., n.w. quarter of section 35, c880 feet. (Mortmar 7 1/2, 1958.) 268 Comment
  RSA336050  Fouquieria splendens Robert F. Thorne 1978-4-23 52049 Riverside Along Palms to Pines Highway, N slope of Santa Rosa Mts. Comment
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Apr 24 2011
  UC12225  Fragaria vesca H. M. Hall 1897-1 Riverside Strawberry Valley; San Jacinto Mountains Comment
  RSA762733  Frangula californica subsp. californica Patrick Garrett, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 87 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA0018440  Frangula californica subsp. cuspidata W. Pequegnat 1940-12-27 s.n. Riverside Santiago Peak, Santa Ana Mountains. Comment
  POM50537  Frankenia grandifolia var. campestris S. B. Parish 1897-5-31 4396 Riverside Elsinore Lake Comment
  UCR22127  Frankenia salina Steve Boyd 1980-5-13 266 Riverside Gavilan Hills, Harford Springs County Park, at NW corner of the Gavilan Plateau 640 Comment
  RSA392143  Frasera parryi M. B. Dunkle 1933-7-20 3694 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  RSA367716  Fritillaria biflora Katharine Beers 1929-1 s.n. Riverside Murietta Hot Springs. Comment
  POM129909  Funastrum cynanchoides var. hartwegii L. R. Abrams 1901-05 11070 Riverside Elsinore. Comment
  SBBG58625  Funastrum cynanchoides var. hartwegii R. Hoffmann 1929-9-11 Riverside Aguanga Comment
  RSA0042855  Funastrum hirtellum Duncan S. Bell, LeRoy Gross 2014-3-20 6273 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  SD46633  Funastrum hirtellum P. C. Everett, E. K. Balls 1956-5-2 21558 Riverside 0.8 miles north of juntion 60/70 along road to Eagle Mountain Pumping Station. 365 Comment
  LA208395  Galium andrewsii Robert G. Engman; sn Riverside San Jacinto Mountains, San Jacinto Mts Comment
  CAS-BOT-BC223035  Galium angustifolium A. C. Sanders 1995-4-13 16483 Riverside San Bernardino Mtns./Colorado Desert: Devil's Garden, E end of the mtns., 2.1 mi. W of Hwy 62 on Pierson Av. & dirt extension, 1.7 mi. above Sierra Bl. 800 Comment
  SBBG89043  Galium angustifolium subsp. gracillimum B. Pitzer, K. Kirtland 1986-5-20 227 Riverside E side of Butterfield Stage Rd, 1 mi S of Buck Mesa, Rancho California area, N side of Pauba Valley 457 Comment
  RSA524227  Galium aparine Steve D. Boyd, Tim S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4021 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UC1324393 Image available Galium californicum subsp. primum Lauramay T. Dempster and C. Hardham 1965-6-18 4133 Riverside on road to Alvin Meadow (from Idyllwild); ; Riverside Co. Comment
  POM301774  Galium stellatum J. Cole 1942-5-19 961 Riverside Ruby Lee Mine, Joshua Tree National Monument. 915 Comment
  UCR216497  Galium stellatum var. eremicum Jim Andre, T. La Doux 2009-3-10 11235 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
  UCR26375  Garrya flavescens A. C. Sanders 1981-7-11 2204 Riverside San Jacinto Mtns., Bull Canyon Road just inside the Forest Service boundary Comment
  POM261678  Garrya flavescens var. pallida W. Pequegnat 1940-12-14 s.n. Riverside Main Divide Truck Trail, near Pleasant Pk. Santa Ana Mts. 1067 Comment
  RSA23666  Garrya flavescens var. pallida Carl B. Wolf 1939-1-20 9486 Riverside Santa Ana Mts., East side, along Eagle Motor Way, 1 mi. below summit 915 Comment
  CAS-BOT-BC158023  Garrya veatchii A. C. Sanders; S. Hawkins; J. Goetzen; D. Freeman 1996-5-1 18121 Riverside San Bernardino Mtns.; Morongo Indian Reservation, vicinity of natural pond & bog at SE edge of Burro Flats, along the road below the pond 1097 Comment
  RSA667135  Gaura sinuata A. C. Sanders, T. B. Salvato 2001-5-24 24364 Riverside Temecula, Long Canyon west of Del Rey Rd., along bottom of Canyon W of junction of Av. Pina Colada 345 Comment
  UC1280012  Gayophytum diffusum subsp. parviflorum Peter H. Raven with R. Snow 1957-7-26 11088 Riverside Banning to Idyllwild road 0.9 mi n Vista Grande Ranger Station; San Jacinto Mountains Comment
  UCR17017  Gayophytum heterozygum Harlan Lewis, M. Lewis 1962-8-2 1306 Riverside Peninsular Range; San Jacinto Mtns., Pine Cove Road, Pine Cove, 0.4 mi west of Idyllwild-Banning Road Comment
  SD251198  Geraea canescens Aaron C. Sedgwick, David Fraker 2012-4-24 4 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: In the Palen Valley south of Hwy. 10 on Dupont Rd., ca. 2 mi. northeast of the Chuckwalla Mountains Wilderness Area. 182 Comment
  SD258882  Geraea canescens Sarah J. De Groot, Cheryl Sevilla 2016-3-16 7639 Riverside Mecca Hills: Meccacopia Trail just east of Shaver's Well. Eastern Mecca Hills, south edge of Shaver's Vally, just west of Orocopia Mountains, east of Box Canyon, eastnortheast of Mecca. 301 Comment
  UC196481  Geraea canescens S. B. and W. F. Parish 1882-4-1 228 Riverside Agua Caliente borders of Colorado Desert, Agua Caliente Comment
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Nov 24 2011
  UCR103545  Geraea canescens George K. Helmkamp, E. A. Helmkamp 1998-1-17 2528 Riverside Coachella Valley, Bob Hope Drive, 0.9 mi south of Hwy I-10 43 Comment
  POM12711  Geranium californicum P. A. Munz 1922-7-6 5985 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  RSA676160  Gilia Scott D. White 2001-4-3 8254 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  UCR160276  Gilia A. C. Sanders 1990-5-21 10021 Riverside San Jacinto Valley, Sanderson Ave. near Gilman Springs Rd., NW of San Jacinto 457 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
  UCR178156  Gilia T. B. Salvato, Jeffrey Ross 1998-5-14 MOR- 137 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
  RSA86578  Gilia angelensis Anonymous 1954-4-16 9314 Riverside Floodplain of Temecula Creek just south of town of Temecula. 305 Comment
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Feb 14 2013
  UCD117600  Gilia angelensis R. N. Raynor 1933-5-2 s.n. Riverside Box Springs Hills. Comment
  UCR116469  Gilia angelensis A. C. Sanders, T. B. Salvato 2001-3-30 23867 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. Pina Colada 366 Comment
  UCR155063  Gilia angelensis A. C. Sanders, Kelly Volansky 2005-3-17 29217 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  UCR230202  Gilia angelensis A. C. Sanders 2011-4-6 38989 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  RSA725667  Gilia australis Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10501 Riverside West side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains. Comment
  UC597591  Gilia diegensis Philip A. Munz 1937-5-30 15082 Riverside nw slope Santa Rosa Mts. 2133 Comment
  UC908945  Gilia diegensis Carl Meyer June, 1927 201 Riverside Saunder's Meadow San Jacinto Mts., Saunder's Meadow (Forest Floor, San Jacinto Mts.) 1676 Comment
  SEINET7063564  Gilia leptomeria A. G. Vestal 1947-4-8 s.n. Riverside About 6.8 miles south on Route 3. UTM Zone 11, 509589mE, 3707060mN. (WGS84/NAD83). 610 Comment
  CAS-BOT-BC407616  Gilia ochroleuca subsp. exilis A. C. Sanders; S. Hawkins 1996-4-24 18071 Riverside San Bernardino Mountains: Morongo Indian Reservation, along dirt road in Hathaway Cyn. near Burro Flats 1158 Comment
  RSA0016277  Gilia ochroleuca subsp. exilis Ora M. Clark 1929-3-16 1687 Riverside South of Cabazon. Comment
  UCR118399  Gilia ochroleuca subsp. exilis A. C. Sanders 1994-5-29 14576 Riverside San Bernardino Mtns, East Branch Millard Canyon, along Forest Service Road 4S45 1200 Comment
  UCR201504  Gilia ochroleuca subsp. exilis Scott D. White, Justin M. Wood 2008-6-18 12238 Riverside San Jacinto Mountains, meadow northwest of Keen Camp Summit, southwest of Hwy 79 1463 Comment
  RSA0016286  Gilia ochroleuca subsp. exilis E. A. Zumbro 1897-05 s.n. Riverside Hemet Valley. 1372 Comment
  UCR100177  Gilia splendens Scott D. White 1994-4-23 2039 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
  UCR70863  Gilia splendens subsp. splendens I. W. Clokey, E. G. Anderson 1935-8-21 6827 Riverside San Jacinto Mtns., Keen Camp P.O. '1350 m 1463 Comment
  RSA776510  Gilia stellata Amber Swanson, Duncan S. Bell 2011-3-10 210 Riverside Shaver's well in Box Cyn in the Mecca Hills 304 Comment
  SBBG5904  Gilia stellata H. and M. Dearing 1937-4-10 Riverside NE of Indio Comment
  RSA525345  Githopsis diffusa subsp. candida Steve Boyd, A. C. Sanders, Mark Skinner 1990-4-28 4442 -B Riverside Vail Lake area, summit of Big Oak Mtn, N of lake 762 Comment
  RSA500118  Gnaphalium californicum Steve Boyd, T. S. Ross, L. Arnseth 1989-6-10 3693 Riverside Vail Lake area, Benches of Arroyo Seco and slopes of adjacent hills to E. 488 Comment
  UCR174332  Gnaphalium californicum Jennifer H. Jones 2006-5-16 301 Riverside Peninsular Ranges, Box Springs Mtns. E end of Big Springs Road, N side 372 Comment
  RSA596162  Gnaphalium canescens subsp. microcephalum D. L. Banks 1996-11-7 1215 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; On the main road in the Reservation., 1.6 km E of the roads crossing with Pechanga Creek on the northern fork of the creek at the E end of the Reservation. 415 Comment
  RSA601168  Gnaphalium chilense Scott D. White 1996-8-15 4474 Riverside Idyllwild area: USFS Rd. 5S10 at jct w/ foot trail 2E16, at an intermittent stream channel. 1646 Comment
  UCR155309  Gnaphalium stramineum A. C. Sanders 2005-5-4 29854 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  CAS-BOT-BC56205  Grusonia parishii Carl B. Wolf 1932-10-12 4291 Riverside Field redacted by CAS, contact the data manager for more information 914 Comment
  UC63369  Gutierrezia californica E. A. Zumbro 1902-10-1 360 Riverside Riverside Comment
  UCR107400  Gutierrezia californica B. G. Pitzer 1997-3-23 2988 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
  UCR93820  Gutierrezia californica P. J. MacKay 1996-6-15 004 Riverside Reche Cyn., 2.5-3 mi. south of S. B. county line on Reche Cyn. Rd. 580 Comment
  SEINET10757036  Haplopappus David B. Dunn 1947-9-1 Dunn 3508 Riverside Collected from dry banks near Palms, Pushawalla Canyon, Indio Hills. Comment
  RSA0066610  Harpagonella palmeri Steve Boyd, Tim Ross, Laurel Arnseth 1990-3-29 3920 Riverside Vail Lake area, summit of 'Big' Oak Mtn, N. of lake. 793 Comment
  UCR267160  Harpagonella palmeri Mitch Provance, Matt Amalong, Eric Kline 2015-3-24 315- 18 Riverside Temecula/Murrieta Region, Murrieta, S of Keller Rd., along dirt portion of Menifee Rd. (unmarked), on the old Clydesdale horse ranch 461 Comment
  POM308572  Helianthemum scoparium var. vulgare Henry J. Ramsey, Henry J. Ramsey, Don Ramsey 1940-3-15 3245 Riverside Aguanga. (north of Riverside Co.) Comment
  CDA6205  Helianthus annuus G. D. Barbe 1973-10-19 1733 a Riverside Marshburn Farms. Southeast corner of Van Buren and Road 62, west of Thermal. 0 Comment
  UCD132795  Helianthus annuus K. Esau 1935-6-20 s.n. Riverside Beaumont Grade. Comment
  RSA543143  Helianthus annuus subsp. lenticularis Steve Boyd 1991-3-17 5499 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  POM13920  Helianthus gracilentus E. C. Jaeger 1921-6-13 s.n. Riverside Base of McMullen Trail [Banning to McMullen Flat] 823 Comment
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Nov 5 2011
  POM4823  Helianthus gracilentus I. M. Johnston 1918-5-30 2023 Riverside Temecscal Canyon (near Lee Lake). 335 Comment
  RSA396470  Helianthus gracilentus Walter Wisura 1987-5-21 4153 Riverside 5.3 miles fr Hwy 243 along old Idyllwild rd. Comment
  RSA780961  Heliotropium curassavicum Stephanie Rockwood, Christi Gabriel 2011-12-14 216 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 107 Comment
  UCR275275  Heliotropium curassavicum T. B. Salvato, Gregg Miller 2005-6-7 1459 Riverside Peninsular Range, Gavilan Hills, Lindell (Stovepipe) Road north of Snake Road, c. 4.5 miles north-northwest of Lake Elsinore 640 Comment
  RSA0045156  Heliotropium curassavicum Andrew Haimov, April Sleigh 1992-5-10 88 Riverside West side of Davis Road, 1/2 mile south of Allessandro Road, San Jacinto Wildlife Area. Across road from agricultural field. Comment
  CLARK-A1528-335  Heliotropium curassavicum subsp. oculatum Fred B. Essig 1966-5-2 Riverside Riverside 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
  RSA736313  Hemizonia fasciculata Scott D. White, Justin M. Wood 2008-3-25 11781 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  UCR116534  Hemizonia kelloggii A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24185 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
  RSA614683  Hemizonia mohavensis A. C. Sanders, T. Schram, D. Wappler 1994-10-4 15772 Riverside N slope of the mountains; Brown Creek drainage 0.3-0.5 mi. above confluence with Twin Pines Creek. 915 Comment
  RSA736956  Hemizonia mohavensis Justin M. Wood, Scott D. White, Brandy Ulrich 2008-7-15 23 Riverside W of Anza Valley, adjacent to Cave Rock Rd. Approx. 1/4 mile E of Cahuilla Indian Reservation. 1215 Comment
  UC68675  Hesperocallis undulata H. M. Hall Apr. 1905 5831 Riverside Colorado Desert, Mecca Mecca; Colorado Desert, Mecca -45 Comment
  UCR251903  Hesperocallis undulata Jim Andre 2013-3-27 24827 Riverside NE Colorado Desert, Riverside Mountains, Agnes Wilson Rd. west of crossing of Colorado River, 0.8 mi east of Hwy 95, 12.4 mi south of Vidal Junction 115 Comment
  RSA676085  Hesperocnide tenella Scott D. White 2001-4-13 8327 Riverside Badlands; County landfill area north of Moreno Valley. About 1/4 air mi NW of the SR-60 Freeway jtn with Gilman Springs Rd. 595 Comment
  UCR174442  Hesperolinon micranthum A. C. Sanders 2006-5-19 32389 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR24935  Heterocodon rariflorum A. C. Sanders 1981-7-19 1691 Riverside Peninsular Range; San Jacinto Mtns., James Reserve in Hall Canyon above Lake Fulmor, 3.5 mi NW of Pine Cove 1707 Comment
  CLARK-A1703-1242  Heterotheca grandiflora Robin L. Kobaly, Larry Beck 1975-7-21 Riverside Santa Ana River Comment
  UCSB37815  Heterotheca sessiliflora subsp. echioides Roos, John 1965-9-16 Riverside On State St. near Florida St., Hemet Comment
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Feb 27 2007
  RSA432779  Hibiscus denudatus N. C. Cooper 1949-4-8 3278 Riverside Desert Center. 610 Comment
  POM360476  Hieracium horridum Albert J. Perkins 1916-9-15 s.n. Riverside Summit, Tahquitz Peak. Comment
  UCD90074  Hilaria rigida William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  RSA495404  Hirschfeldia incana Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-11 2888 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 390 Comment
  CDA27093  Hoffmannseggia glauca Agricultural Commissioner Nov 1971 Riverside 0.25 mile south of the existing Highway 60, 4 miles west of Blythe. 0 Comment
  CAS-BOT-BC207565  Hoffmannseggia microphylla Marcus E. Jones 1924-2-26 s.n. Riverside Shaver's Well, Colo Desert Comment
  CAS-BOT-BC207571  Hoffmannseggia microphylla E. A. McGregor 1917-3-18 723 Riverside 1 mi up Painted Canyon [Canon] Comment
  LA45807  Hoffmannseggia microphylla Nesta Dunn; A. M. Martin 1932-3-7 sn Riverside Oasis Comment
  SBBG119035  Hoffmannseggia microphylla S. J. DeGroot, T. Thibault, V. Arvizu, L. Gross, L. Rojas 2004-5-14 4335 Riverside N of the Chocolate Mtns, just N of the Bradshaw Trail, S of Orocopia Mtns 168 Comment
  SD174895  Hoffmannseggia microphylla Mark A. Elvin 2005-4-26 4229 Riverside Northern Sonoran Desert: Coachella Valley/Indio Hills; N of I-10. 198 Comment
  SD27950  Hoffmannseggia microphylla Carl B. Wolf 1932-4-26 2978 Riverside Colorado Desert, 5 miles east of Mecca, on Blythe Road, open sandy flat 29 Comment
  SEINET10918608  Hoffmannseggia microphylla A. K. Evans 1976-4-13 Evans 5155 Riverside Desert canyons of Santa Rosa mountains. Comment
  RSA263699  Hoita macrostachya E. W. Lathrop 1975-3-7 7448 Riverside Mesa de Burro, 3 miles west of Murrieta, Santa Rosa Plateau. De Luz Canyon. 610 Comment
  CAS-BOT-BC285036  Hordeum depressum A. C. Sanders 1993-5-12 14016 Riverside Hemet, W side of Warren Road, 1/2 mile S of Florida Ave. (Hwy 74), between the New San Diego Aqueduct and Warren, directly opposite of the W end of Whittier Rd. 460 Comment
  CAS-BOT-BC273468  Hordeum intercedens D. Bramlet 1996-4-22 2459 Riverside San Jacinto Wildlife Area, Lovell Unit. The site is approximately 198m east of Davis Road and 183m north of the San Jacinto River. This locality was some 46m south of the existing access road 432 Comment
  UCR56703  Hordeum marinum subsp. gussoneanum Jeri Hirshberg 1989-5-3 s.n. Riverside Santa Rosa Plateau, south of town of Murrieta, west of Mesa de Burro 549 Comment
  UCR264750  Hordeum murinum Steve Boyd, Carol Boyd 2011-3-15 12304 Riverside Peninsular Ranges, Santa Rosa Mountains region., Western base of Eisenhower Mountain, southeast of The Living Desert at mouth of Deep Canyon. 366 Comment
  POM112842  Hordeum murinum subsp. glaucum Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  RSA192270  Hordeum murinum subsp. leporinum E. W. Lathrop 1960-5-6 4798 Riverside 10 miles west of Murrieta. Comment
  RSA575992  Hordeum vulgare Steve Boyd 1981-4-8 s.n. Riverside Gavilan Hills region; upper 'Santa Rosa Canyon' east of the Gavilan Plateau along Santa Rosa Road. 1/4 mile east of the stream crossing. 640 Comment
  POM13652  Horkelia clevelandii Philip A. Munz 1922-6-23 5766 Riverside Keen Camp, San Jacinto Mountains. 1524 Comment
  UC2030122  Horkelia clevelandii Robert F. Thorne, J. P. Simon, and C. W. Tilforth 1969-6-24 38078 Riverside SAN JACINTO MOUNTAINS: San Bernardino National Forest. Above James Reserve in Hall Canyon. Comment
  UCSC001449  Horkelia clevelandii Peter Kamb 1947-6-7 562 Riverside San Jacinto Mts, Hall Canyon 1646 Comment
  UCR142729  Hornungia procumbens F. W. Peirson 1922-4-30 1896 Riverside Peninsular Range, Lancaster Valley, road from Hemet to Temecula 518 Comment
  UCR55320  Hulsea vestita subsp. callicarpha Kathy Harper 1988-6-11 s.n. Riverside San Jacinto Mtns., On Thomas Mtn Rd., south of Thomas Mtn. Lookout. Comment
  JOTR31111  Hulsea vestita subsp. parryi Harding, Mitzi, T. Herskovits 2011-5-21 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; approx. 1 mile west of Eureka Peak 1398 Comment
  CSUSB1758  Hunnemannia fumariifolia Morse 1974-6-29 Riverside North end of Linsay Street (Glen Avon). 228 Comment
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Oct 22 2011
  UC219234  Hydrocotyle umbellata P. A. Munz and I. M. Johnston 1922-5-7 5283 Riverside Little San Bernardino Mts., Covington Ranch 762 Comment
  POM361073  Hymenoclea salsola M. B. Dunkle 1933-3-4 3062 Riverside Painted Canyon, Colorado Desert. 30 Comment
  POM4807  Hymenoclea salsola I. M. Johnston 1917-4-6 s.n. Riverside Mouth of Andreas Canyon 213 Comment
  UCR85286  Hymenoclea salsola Bern Schwenn 1994-3-21 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Park and vicinity, Little San Bernardino Mtns, along radio tower road in first canyon west of mouth of Pushawalla Canyon, east of Upper Thousand Palms Canyon 610 Comment
  RSA0054852  Hymenoclea salsola W. Marquart 1938-3-12 s.n. Riverside Twenty mi. West of Blythe. Comment
  JOTR33931  Hymenoxys cooperi La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2821 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  UCR232023  Hypochaeris glabra John F. Green 2008-4-24 16- 04 Riverside Peninsular Range; SE Gavilan Hills, Lake Elsinore, west of Hwy 74 453 Comment
  CLARK-A1656-732  Hyptis emoryi unknown 1981-3-14 Riverside Coachella Valley Comment
  GMDRC4154  Hyptis emoryi J. Andre, T. La Doux 2010-2-28 12550 Riverside Lower Colorado River Valley: along Hwy 95 approx 25 mi. north of Blythe, on east side of Big Maria Mountains 83 Comment
  JEPS63225  Hyptis emoryi W. L. Jepson 1914-5-18 6016 Riverside near Pinyon Well (<not> Cottonwood Mts. = Conchilla Mts.); near Pinon Well <not> Cottonwood Mts. = Conchilla Mts. 457 Comment
  LA61596  Hyptis emoryi Joseph Andorfer Ewan; 1929-2-22 3686 Riverside San Jacinto Mountains, Palm Canyon 304 Comment
  UC400190  Hyptis emoryi Ynes Mexia 1929-2-15 2326 Riverside near Palm Springs (Murray Canyon); , near Palm Springs Comment
  UCSB44874  Hyptis emoryi Collins, Elizabeth 1977-3-29 Riverside East of N. Palm Springs, 2.5 miles up Thousand Palms Cyn. Rd. from Dillion Rd 91 Comment
  RSA0042540  Hyptis emoryi Samuel Bonsal Parish 1917-4-4 Riverside Near Palm Springs. Comment
  SEINET12330780  Hyptis emoryi W. Knight, Knight, I.; Vale, J.; Wagnon, K. 1983-1 5516 Riverside Eagle Mts., on Power Line Rd, 383 Comment
  UCR19014  Imperata brevifolia John C. Roos 1965-7-22 s.n. Riverside Sonoran (Colorado) Desert, Palm Springs Comment
  UCD126506  Ipomoea triloba Keith Hoffmaster 1960-11-7 s.n. Riverside near Indio. Comment
  UCR281878  Isocoma menziesii Mitch Provance 2012-11-9 1112- 18 Riverside San Bernardino Valley, Santa Ana River Bottom, vicinity of Tequesquite Creek, area W of the N end of Rudidoux Ave. and Old Ranch Rd. 229 Comment
  CDA33830  Isocoma menziesii var. menziesii Mike Lahti 2010-9-2 PDR# 1358814 Riverside Murrieta; Nieblas Rd, 3 miles southeast of Hwy 74. 0 Comment
  RSA684554  Isoetes howellii Christopher Davidson 1977-5-25 5665 Riverside Mesa de Burro; Santa Rosa Plateau area of Santa Ana Mountains 701 Comment
  HSC85251  Iva axillaris Steve Boyd 1986-4-22 1730 Riverside Walker Canyon area where Alberhill Creek (=Temescal Creek) flows between Alberhill Mtn. and Gavilan Hills: N slope of Alberhill Mtn. Comment
  UCR262277  Jasminum mesnyi A. C. Sanders 2006-5-13 32285 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 488 Comment
  CLARK-A1045-339  Jepsonia parryi George K. Helmkamp 1978-5-2 Riverside Bautista Canyon burn; Bautista Road; Hemet 15'Q Comment
  POM47847  Jepsonia parryi H. Baer 1923-11-5 s.n. Riverside Rice Canyon, Elsinore. Comment
  RSA0011070  Juglans californica Scott D. White, Justin M. Wood 2009-5-22 12927 Riverside San Jacinto Mts: Halfway Spring, accessed via Old Control Road. 1159 Comment
  UC1951163  Juglans californica Scott D. White, Justin Wood 2009-5-22 12927 Riverside SAN JACINTO MOUNTAINS: Halfway Spring, accessed via Old Control Road. USGS Blackburn Canyon 7.5' Quad. Comment
  UCR100825  Juglans nigra A. C. Sanders, T. Tennant 1997-11-14 21601 Riverside San Bernardino Mtns., Morongo Indian Reservation, sag pond at SE end of Burro Flats 1110 Comment
  SDSU14318  Juncus arcticus var. mexicanus Kristin Andrade, Mike Simpson 2002-4-20 12 Riverside On north side of Santa Margarita river, 500 feet from junction of Via Tornado road. Santa Margarita Ecological Reserve Road. 229 Comment
  HSC87024  Juncus balticus subsp. ater L. F. LaPre 1988-6-3 Riverside Indian Trails project site, Indian Truck Trail exit on W side of Hwy. 15 in Temescal Canyon, 1/4 mi. from the freeway Comment
  RSA786557  Juncus bufonius D. M. McF 1954-5-28 s.n. Riverside Jct Hwy 395 and Newport Road. Comment
  SD146108  Juncus bufonius var. congestus A. C. Sanders, K. C. Rose 1999-6-18 22827 Riverside Domenigoni Valley,upper Warm Springs Ck,bet. Hwy 79(Winchester Rd)&Scott Rd,Domenigoni Ranch,S of Winchester;Winchester 7.5' quad. Silty alkaline loam in flat valley bet. low hills. In mud along drying ck margins in dense herbs bet. old fields. 433 Comment
  UCR110929  Juncus bufonius var. congestus A. C. Sanders, K. C. Rose 1999-6-18 22827 Riverside Domenigoni Valley, upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, south of Winchester 433 Comment
  RSA741157  Juncus bufonius var. occidentalis Scott D. White, Justin M. Wood 2008-5-15 11993 Riverside Johnson Meadow. 1415 Comment
  UCR85426  Juncus cooperi A. C. Sanders, P. J. MacKay, G. K. Helmkamp, J. M. Stewart, C. L. Sanders 1994-12-4 15887 Riverside Sonoran (Colorado) Desert, Salton Sink: Dos Palmas Spring & immediate vicinity -30 Comment
  UCR202607  Juncus effusus Scott D. White, Justin M. Wood 2008-7-9 12420 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  RSA621505  Juncus mexicanus Darin L. Banks 1997-11-15 2196 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, on the north side of the Dorland Mountain Arts Colony. 549 Comment
  UCR139158  Juncus mexicanus S. J. Myers, M. D. Wilcox 2003-5-15 s.n. Riverside San Jacinto Mtns., southwestern end of Juan Diego Flat, NW of Cahuilla Mountain 1220 Comment
  RSA0035989  Juncus phaeocephalus var. paniculatus E. W. Lathrop 1969-5-29 7081 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 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
  UCR164296  Juncus rugulosus S. J. Myers 2001-7-16 s.n. Riverside Peninsular Range; San Jacinto Mtns, Bautista Canyon 951 Comment
  RSA500193  Juncus xiphioides Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3551 Riverside Vail Lake area, pond and freshwater marsh in Kolb Crk. just south of the lake. Comment
  SD70880  Juncus xiphioides Helen V. Witham 1969-7-2 176 Riverside Common along creek, DeLuz Creek crossing, 4 miles north of DeLuz. 249 Comment
  UCR131827  Juncus xiphioides Jennie Phui 1998-5-30 032 Riverside San Bernardino Mtns./San Gorgonio Pass, Morongo Indian Reservation, eastern fork of Lion Canyon, 3 miles up Lion Canyon road north of I-10 Fwy 600 Comment
  UCR21862  Juncus xiphioides 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
  UCR4088  Juncus xiphioides O. F. Clarke 1970-9-24 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River bottom just east of the old Salt Lake RR Bridge 216 Comment
  RSA33651  Juniperus californica N. C. Cooper 1944-5-20 1306 Riverside Pine Flats, Palms to Pines Hwy. 1220 Comment
  RSA496127  Juniperus californica Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 3006 Riverside Vail Lake area, Temecula Creek Cyn below Vail Lake Dam 457 Comment
  HSC66619  Justicia californica Christopher Davidson, Josephine Jones 1980-4-4 9952 Riverside W end of Orocopia Mtns., canyon and wash S of Oro Peak 518 Comment
  RSA463156  Justicia californica Lyman D. Benson 1933-3-31 4183 Riverside Beginning of Hemet Road [presumably Hwy 74 on desert side, Deep Cyn.] Colorado Desert watershed. 549 Comment
  RSA5372  Justicia californica B. D. Stark 1932-6-17 3753 Riverside East end of Box Canyon, Colorado Desert. 183 Comment
  UC1051454  Justicia californica Herbert L. Mason 1952-4-7 14212 Riverside Palm Canyon Comment
  UCD121631  Justicia californica Richard Bates 1949-4-26 s.n. Riverside Cathedral City. Comment
  JOTR38522  Kallstroemia californica Harding, Mitzi, Kipp Callahan 2012-8-27 291 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  RSA683920  Kallstroemia californica Michael Denslow 2003-9-13 1552 Riverside Shavers Valley; I-10 at Mecca Exit, Box Springs Road. 470 Comment
  POM230991  Kallstroemia grandiflora Marjorie D. Clary 1936-10-24 2736 Riverside Chuckwalla Valley near Desert Center, North Colorado Desert. 274 Comment
  OBI9298  Keckiella antirrhinoides Tracey & Viola Call, Viola Call 1962-4-13 2125 Riverside Tin Mine Cyn near Corona 351 Comment
  UCR277882  Keckiella antirrhinoides B. C. Templeton 1930-4-15 1100 Riverside Gavilan Hills, Gavilan Peak, west of Perris 610 Comment
  UCR4248  Keckiella antirrhinoides J. R. Sweeten 1965-5-15 022 Riverside San Bernardino Mtns., Whitewater Canyon, about 1.5 mi from Hwy 60 and about 30 yards to the west of Whitewater Canyon Rd. 488 Comment
  UCSB17552  Keckiella antirrhinoides Winn, Will 1963-5-4 Riverside 13.3 miles north of Lake Fillmore picnic area; Highway 1 853 Comment
  RSA650920  Keckiella antirrhinoides subsp. antirrhinoides Mike Maculsay 1981-5-16 37 Riverside Ca Hwy 74, 8.1 miles west of junction of Hwys 74 and 71, 3.6 miles west of Elsinore City Limit. 610 Comment
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Jul 22 2010
  RSA401719A  Keckiella antirrhinoides subsp. microphylla Julian P. Donahue 1984-10-6 90405 Riverside Pinyon Crest, Pinyon Flat, between San Jacinto and Santa Rosa Mts. 1250 Comment
  RSA586103  Keckiella antirrhinoides var. antirrhinoides D. L. Banks, Steve D. Boyd 1995-4-5 143 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of Dripping Springs Alcove, W of the Dripping Springs Trail. 646 Comment
  UCR16019  Keckiella antirrhinoides var. antirrhinoides John Milbauer 1976-5-1 s.n. Riverside San Jacinto Mtns, 3 mi SE of Banning near Hwy 243 Comment
  UCR98077  Keckiella antirrhinoides var. antirrhinoides A. C. Sanders, G. Helmkamp 1997-3-15 19952 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 518 Comment
  UCR139978  Kochia scoparia A. C. Sanders 2004-8-10 28770 Riverside Perris-Aguanga Region, 3 miles ENE of Perris, new nursery growing grounds west of Menifee Rd. (=Pozos Av.) & south of Nuevo Rd., between San Jacinto River and Nuevo 433 Comment
  POM263183  Koeleria macrantha J. C. Roos 1937-5-10 457 Riverside South of Lake Elsinore Comment
  UC38718  Koeleria macrantha H. M. Hall June, 1901 2031 a Riverside s side San Jacinto Mountains; s side San Jacinto Mountains 1371 Comment
  UCD86017  Koeleria macrantha H. S. Yates 1937-6-27 6714 Riverside near Idlewild. 1676 Comment
  SEINET269272  Krameria grayi Bern Schwen 1994-5-18 Riverside Joshua Tree National Monument ; Eagle Mountains (west side) along road between Cottonwood Spring Campground and Conejo Well 1055 Comment
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Sep 7 2013
  UC449697  Krameria grayi E. E. Schellenger 1911-4-25 Riverside n Palm Springs (Colorado Desert); , n of Palm Springs Comment
  POM320423  Lamarckia aurea David Wheat 1968-5-16 134 Riverside 4.4 miles W corner Washington Ave-Guava Street, Murietta in Rancho California 427 Comment
  CLARK-A1528-3535  Langloisia schottii John C. Roos 1943-5-23 2663 Riverside Little San Bernardino Mountains Comment
  CAS-BOT-BC166023  Larrea tridentata Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  JEPS83151  Larrea tridentata R. P. Allen 1935-3-22 188 Riverside Garnet Comment
  RSA735214  Larrea tridentata Steve D. Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11236 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  SBBG37531  Larrea tridentata R. N. Muller 1967-4-8 Riverside 1.5 mi W of CA 62 on Mission Crk Rd. (4.7 mi N of jct between US Hwy 60 and St Hwy 62) 579 Comment
  UC867939  Larrea tridentata Alice Eastwood 1913-4-30 3085 Riverside Palm Springs Comment
  UCR100085  Larrea tridentata R. G. Swinney 1967-2-4 158 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 335 Comment
  UCR251960  Larrea tridentata Max Brodie 2014-4-6 04 Riverside San Bernardini Mtns./Sonoran (Colorado) Desert, Whitewater Canyon off Whitewater Canyon Rd., along Whitewater River near town of Bonnie Bell, c. 2 miles north of Hwy I-10 488 Comment
  CAS-BOT-BC338909  Lasthenia californica Steve Boyd 1986-5-1 1821 Riverside Bachelor Mtn.: Lower south slopes of Bachelor Mtn., east end of Lake Skinner Comment
  POM6606  Lasthenia coronaria P. A. Munz, L. T. Street, Williams 1919-3-28 2368 Riverside San Gorgonio Pass, near Cabazon 543 Comment
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Mar 13 2011
  SD232188  Lasthenia coronaria Michael Wall 2003-4-15 265 Riverside Peninsular Ranges; San Jacinto Mountains region: Lamb Canyon west of Beaumont, off Hwy. 79, 5.2 mi. south jct. with 10 Fwy, up dirt road at turnout along west side of Hwy. 601 Comment
  SEINET2053253 Image available Lasthenia coronaria Don Mitchell 1990-4-30 Riverside W side of Sage Road, ca. 1/2 mi. S of intersection with Wilson Valley Road. Sage 7.5' quad. 701 Comment
  UC69031  Lasthenia coronaria H. M. Hall 1905-4-1 5752 Riverside Beaumount Comment
  UCR103910  Lasthenia coronaria B. G. Pitzer 1997-4-11 3120 Riverside Lakeview Mtns, Pulsar View Road (dirt), at sharp turn in road c. 1 mi. (air) NE of Juniper Flat Road, and c. 3/4 -1 mi. by road from the base of the hills. C. 3/4 mi. (airline) SE of Mt. Rudolph (measured from BM 'Nelson') 610 Comment
  UCR18317  Lasthenia coronaria Saul Frommer 1979-4-19 s.n. Riverside Peninsular Range, near Aguanga, on Hwy R3 [closer to Radec] 549 Comment
  RSA92992  Lasthenia coronaria F. W. Peirson 1919-4-15 1373 Riverside Whitewater Grade east of Banning 610 Comment
  UCSB60197  Lasthenia glabrata subsp. coulteri Bramlet, D. 1992-4-15 Riverside San Jacinto Wildlife Area, approx. 1 km. E of Davis Rd. 436 Comment
  JEPS29321  Lasthenia gracilis Rimo Bacigalupi and L. Heckard 1962-3-26 8417 Riverside 2.4 mi nw Romoland (s of Perris, flats on either side of creek) - Railroad Creek [San Jacinto River, flowing toward Railroad Canyon] 457 Comment
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Jul 14 2012
  RSA192189  Lasthenia gracilis E. W. Lathrop 1966-3-20 6057 Riverside 3 miles W of Murrieta Comment
  RSA356712  Lasthenia gracilis R. F. Thorne 1975-5-20 45512 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro; Santa Ana Mountains 610 Comment
  RSA593916  Lasthenia gracilis Steve Boyd, David E. Bramlet 1996-4-19 8596 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  RSA774510  Lasthenia gracilis Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4462 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR155836  Lasthenia gracilis John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  UCR213484  Lasthenia gracilis A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37819 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, under powerlines near dirt extension of Lake St., 1.1 mi. NW (356 deg. ) of intersection of I-15 and Lake St. 549 Comment
  POM1791  Lathyrus vestitus subsp. alefeldii O. W. Robinson 1916-3-28 s.n. Riverside Miller's Canyon, Murrieta. Comment
  RSA34550  Lathyrus vestitus subsp. laetiflorus N. C. Cooper 1944-6-16 1432 Riverside San Jacinto Mtns. Pine Cove. 1524 Comment
  RSA608358  Lathyrus vestitus subsp. vestitus Leota Brice 1930-4-13 30 Riverside San Jacinto Mts. Comment
  SD137783  Lathyrus vestitus var. alefeldii Darin L. Banks 1995-4-5 144 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove, west of the Dripping Springs Trail 651 Comment
  UC1128965  Lathyrus vestitus var. alefeldii A. Lewis 1934-3-1 357 Riverside Hagador Canyon Cleveland National Forest, Corona Quad. 1082 Comment
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Dec 11 2011
  JEPS39176  Layia platyglossa W. L. Jepson 1939-4-17 19157 Riverside Temecula Temecula 304 Comment
  RSA0013704  Layia platyglossa LeRoy Gross, Grace Cho 2013-4-9 6000 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
  UCR103184  Layia platyglossa Scott D. White, Julie Greene 1997-3-12 4788 Riverside Perris Basin, Sun City, near Interstate Hwy 215, south of Perris and north of Menifee, low hills east of Bavaria Drive 488 Comment
  RSA522763  Layia platyglossa subsp. campestris Steve Boyd, L. Arnseth 1990-3-29 3870 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
  UCR16695  Layia platyglossa subsp. campestris E. W. Lathrop 1971-3-21 7454 Riverside Santa Ana Mtns., Cleveland National Forest, Trabuco District, Bedford Truck Trail 1220 Comment
  POM12985  Layia platyglossa subsp. platyglossa P. A. Munz, I. M. Johnston 1922-5-19 5419 Riverside Hemet Valley, San Jacinto Mountains. 1402 Comment
  UCR41785  Lepidium chalepense Michele Tracy 1986-4-15 s.n. Riverside Perris-Aguanga Basin, near Hemet 549 Comment
  RSA596527  Lepidium didymum D. L. Banks 1996-7-16 1132 Riverside NW Palomar Mountains; Agua Tibia Mountains; In the Vail Ranch Housing Development, N of the Pechanga Indian Reservation; At the W side of the intersection of Marge Place and Tehachapi Pass( N of Vail Ranch Road). 426 Comment
  POM308636  Lepidium fremontii Henry J. Ramsey, Henry J. Ramsey 1937-5-9 3213 Riverside Between Blythe and Desert Center. Comment
  UC856592  Lepidium fremontii I. W. Clokey 1935-4-17 6651 Riverside Cottonwood Springs Comment
  RSA776293  Lepidium lasiocarpum Duncan S. Bell, Amanda Turek 2010-4-10 831 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine and Calzona Mine; approximately 3.8 air miles west of the Colorado River; approximately 2 air miles northeast of Riverside Mountain Peak. 198 Comment
  RSA776333  Lepidium lasiocarpum Duncan S. Bell, Amanda Turek 2010-4-10 822 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  RSA784722  Lepidium lasiocarpum Duncan S. Bell 2012-3-18 3209 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
  UCR41832  Lepidium lasiocarpum A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6031 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  RSA642807  Lepidium lasiocarpum var. lasiocarpum R. F. Thorne 1963-3-29 32422 Riverside 9 miles E of Mecca, Mecca Hills 152 Comment
  UCR112487  Lepidium latifolium A. C. Sanders, T. B. Salvato 2000-5-25 23405 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
  UCR173873  Lepidium nitidum Scott D. White 2001-3-13 8162 Riverside Peninsular Ranges/ Perris-Aguanga Basin, Menifee/Sun City area: valleys and slopes east of Canyon Lake and west of Goetz Rd 518 Comment
  UCR250905  Lepidium nitidum A. C. Sanders 2014-4-18 41019 Riverside Peninsular Range, Temescal Canyon, hills along De Palma Rd. between Indian Truck Trail and Horsethief Canyon roads, c. 100 m south of I-15 401 Comment
  POM8776  Lepidium virginicum var. pubescens P. A. Munz 1920-4-11 3812 Riverside Santa Ana River Canyon, near Rincon. 305 Comment
  RSA557739  Lepidium virginicum var. pubescens John F. Emmel 1983-8-21 887 Riverside Idyllwild, along North Circle Dr. near junction with South Circle Drive. 1677 Comment
  UCR20894  Lepidium virginicum var. pubescens A. C. Sanders 1978-7-1 00238 Riverside San Jacinto Mtns, James Reserve, above Lake Fulmor 1646 Comment
  UCR112557  Lepidium virginicum var. robinsonii A. C. Sanders 1998-3-17 21745 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, south of Hemet 343 Comment
  RSA545232  Lepidospartum squamatum R. F. Thorne 1970-10 41882 Riverside San Bernardino Mountains- Whitewater canyon: ca. 1350 ft. near bridge and Whitewater Post Office to ca. 2000 ft. up the canyon toward fish hatchery. 610 Comment
  UC372931  Lepidospartum squamatum Marcus E. Jones, A. M. 1923-8-2 Riverside Indian Well Comment
  UCR250403  Lepidospartum squamatum Jeremiah George 2012-10-17 s.n. Riverside San Gorgonio Pass, SW of Banning, under SCE powerline right-of-way east of South Highland Home Rd. and north of Laird Rd. 745 Comment
  RSA697078  Lepidospartum squamatum var. obtectum W. Blanchard 1932-11-11 s.n. Riverside About 3 mi. S. of Palm Springs Station. Comment
  UC1123902  Leptodactylon californicum R. St. John 1929-3-12 13 Riverside Potrero Creek; Elsinore Quad., Potrero Creek Comment
  UCR3438  Leptodactylon californicum subsp. leptotrichomum John Minnich 1964-3-28 64-3-28- 5 Riverside Santa Ana Mountains, Hwy 74, on Elsinore side of of summit 610 Comment
  UCR4084  Leptodactylon californicum subsp. leptotrichomum Carole Sims 1965-3-28 s.n. Riverside Santa Ana Mtns., Cleveland National Forest, San Juan Canyon along road between Lion and Bear Canyons 762 Comment
  RSA525463  Leptosiphon androsaceus Steve Boyd, D. E. Bramlet 1990-4-29 4509 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  SEINET7967465 Image available Leptosiphon bicolor Malcolm G. McLeod 1971-6-22 472 Riverside Idyllwild Comment
  POM364533  Leptosiphon ciliatus Anstruther Davidson s.n. Riverside San Jacinto Cal. Comment
  POM364670  Leptosiphon floribundus subsp. hallii Anstruther Davidson 1902-5-11 1914 Riverside Martinez Canyon Rd. Comment
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May 22 2012
  RSA468532  Leptosiphon liniflorus N. C. Cooper 1944-5-20 2651 Riverside Palm Springs. 137 Comment
  RSA58863  Leptosiphon liniflorus P. A. Munz, Percy C. Everett 1950-6-23 14915 Riverside 2 mi. n.w. of Pipe Creek, south end of San Jacinto Mts. 1402 Comment
  SD152786  Leptosiphon parviflorus Steve Boyd, Tim Ross 1992-5-5 7241 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area; eastern portions of Oak Flats along the Bluewater Trail. 792 Comment
  SD137677  Leptosiphon pygmaeus subsp. continentalis Darin L. Banks, Steve Boyd 1995-5-9 406 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 737 Comment
  RSA775311  Lesquerella tenella Duncan S. Bell 2011-3-20 2066 Riverside Orocopia Mountains; on the southeast side of the mountain range near Red Canyon. 429 Comment
  UCR107388  Lessingia filaginifolia B. G. Pitzer 1997-3-23 2969 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
  UCR34883  Lessingia filaginifolia L. B. Ziegler 1971-9-9 427 Riverside San Jacinto Mtns, Hemet (Garner) Valley. 1372 Comment
  UCR269221  Lessingia glandulifera T. B. Salvato, Arlee Montalvo 2015-8-22 8234 Riverside San Jacinto Mountains, Apple Canyon Road, 1.35 air miles northeast of its junction with Hwy 74 1418 Comment
  POM14446  Leymus triticoides P. A. Munz 1922-6-23 5779 Riverside Hemet Valley, San Jacinto Mountains, [on Garner Ranch - 5784] 1372 Comment
  UCR217561  Lilium humboldtii subsp. ocellatum Jeff B. Galvin 2008-6-26 72 Riverside Peninsular Ranges, Santa Ana Mountains, Horse Thief Canyon, 1.3 km SE of Trabuco Peak 955 Comment
  UCR1211  Linanthus androsaceus Martha McCarthy 1960-4-24 s.n. Riverside Santa Ana Mtns., 0.25 west of Tenaja Rd., 12.6 miles from junction with Washington Ave., Murrieta Comment
  UCR60920  Linanthus androsaceus Steve Boyd, L. Arnseth, T. S. Ross 1989-4-1 3182 Riverside Peninsular Range, Vail Lake area; hills just to SW of the dam 488 Comment
  JOTR32137  Linanthus aureus subsp. aureus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2293 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy pediment/bajada surrounding granitic ourcrops near Stirrup Tank parking lot (Stop 1) Comment
  CHSC26491  Linanthus californicus Richard Fellows 1970-5-7 22 Riverside Ca. 5 mi. W. of Corona, .5 mi. N. of Prado Dam off Hwy. 71. 304 Comment
  RSA652615  Linanthus californicus T. Sargent 1959-5-17 s.n. Riverside Ontario-Corona Road, west of Prado Dam Comment
  RSA0104451  Linanthus dianthiflorus Duncan S. Bell, LeRoy Gross 2015-2-17 7750 Riverside San Gorgonio Wilderness area; Whitewater Canyon; about 1.75 air miles northwest of the trout farm, in the vicinity of Red Dome. 796 Comment
  RSA747561  Linanthus dianthiflorus Michael Honer 2003-4-11 1818 Riverside Gavilan Hills, W slope: about 1 mile N of I-15 freeway, 1 mile E of Lake St. exit. On and around peak 2349. 640 Comment
  UC880279  Linanthus floribundus subsp. glaber P. A. Munz 1922-6-27 5859 Riverside Santa Rosa Santa Rosa Mts. 2011 Comment
  JEPS58459  Linanthus lemmonii Marjorie D. Clary 1932-7-3 975 Riverside near Hemet Lake; Colorado Desert 1341 Comment
  UCR177640  Linanthus lemmonii S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1159 Comment
  UCR133428  Linanthus parviflorus Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 459 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  UCR240642  Lithophragma Tracy Tennant, Mitch Provance 1998-6-16 MOR- 414 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  UCR114759  Lithophragma parviflorum Scott D. White, D. E. Bramlet 1999-4-22 7236 Riverside Lake Skinner area, Ridgetop, north, west, and northwest facing slopes of Bachelor Mtn. 762 Comment
  UCR21947  Loeflingia squarrosa Steve Boyd 1980-4-13 120 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  JOTR34009  Logfia depressa La Doux, Tasha, M. Harding 2010-4-7 2897 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  UC32054  Logfia filaginoides W. G. Wright 1890-1-1 1769 Riverside Colorado Desert Comment
  SEINET251733 Image available Lolium multiflorum Walter Graves 2002-6-11 602 -5 Riverside Riverside: grown at UCR in Agricultural Operations Fields (Riverside East 7.5' Q.:). 305 Comment
  JEPS15839  Lomatium lucidum W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1484 Riverside Aguanga Comment
  SEINET7063052  Lomatium utriculatum A. G. Vestal 1963-5-20 s.n. Riverside Long Valley Road at Temecula and at the junction with Route 395 (115). UTM Zone 11, 485910mE, 3706825mN. (WGS84/NAD83). 308 Comment
  UCR116917  Lomatium utriculatum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23954 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  UCR256753  Lomatium utriculatum T. B. Salvato, Matthew Malle 2013-4-15 7542 Riverside Gavilan Hills, dirt SCE powerline access road east of Lake Street and northwest of Hilltop Drive. 0.83 mi north-northeast of the junction of Lake Street and Hwy I-15 478 Comment
  POM10335  Lomatium vaginatum Charlotte M. Wilder 1907-05 770 Riverside Jurupa Hills Comment
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Dec 8 2013
  UCR1592  Lonicera japonica R. L. Needham 1962-5-15 10063 Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, Camp Evans [below Fairmont Park], Boy Scouts of America. 244 Comment
  CAS-BOT-BC167077  Lonicera subspicata Wayne Law; Jun Hu 2000-5-16 20 Riverside Peninsular Ranges; Santa Ana Mtns.: Eastern edge of Cleveland National Forest, above Temescal Valley in Indian Canyon, 11.8 mi S of Corona 396 Comment
  UC218259  Lotus crassifolius var. crassifolius P. A. Munz 1922-7-7 6061 Riverside Fern Valley San Jacinto Mts. 1767 Comment
  RSA282923  Lotus grandiflorus var. grandiflorus C. W. Tilforth, B. Busenberg 1980-6-17 1996 Riverside Along Hiway 74, west of Mountain Center Comment
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Jun 10 2012
  UCR214135  Lotus hamatus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37739 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 518 Comment
  UCR161439  Lotus heermannii A. C. Sanders, Mike Misenhelter 2005-9-20 31685 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
  POM12848  Lotus nevadensis var. nevadensis P. A. Munz 1922-6-27 5851 Riverside Santa Rosa Mountains: Santa Rosa. 2012 Comment
  UC15661  Lotus nevadensis var. nevadensis H. M. Hall Jul 1901 2337 Riverside vicinity Deer Springs; San Jacinto Mountains 2743 Comment
  RSA775340  Lotus procumbens var. procumbens Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5021 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
  UCR89768  Lotus purshianus Scott D. White 1993-5-27 1425 Riverside North Alberhill Ranch, hills north of Walker Canyon 488 Comment
  CLARK-A1656-715  Lotus rigidus unknown 1981-3-14 Riverside Coachella Valley 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
  UC64819  Lotus rigidus E. E. Schellenger 1904-3-28 60 Riverside Cottonwood Springs Colorado Desert, Cottonwood Mt. Comment
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Oct 9 2010
  RSA543945  Lotus salsuginosus Steve Boyd, Orlando Mistretta, Bob Boyd 1991-5-9 6177 Riverside Santa Ana Mountains, lower flank of range along the Bedford Truck Trail on ridge between Bedford and McBribe Canyons. 549 Comment
  UCR158268  Lotus salsuginosus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-4-14 29494 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
  RSA406832  Lotus salsuginosus var. brevivexillus M. B. Dunkle 1935-3-30 4425 Riverside Pinto Basin, Colorado Desert. 915 Comment
  UC1546723  Lotus salsuginosus var. brevivexillus Barry A. Prigge 1988-2-21 7845 Riverside 2 mi w Clemens Well; Colorado Desert, Orocopia Mountains 228 Comment
  CSUSB1256  Lotus scoparius Shirley Hill 1963-3-30 630330 2 Riverside Road past old resevoir on UCR (University of California Riverside) campus about 10 yards downhill from turnaround Comment
  RSA136565  Lotus scoparius var. brevialatus P. H. Raven 1958-1-23 11416 Riverside Sandy wash along United States Highway 99 [Hwy 10], 8.6 miles west of Thousand Palms turnoff. Comment
  RSA25620  Lotus scoparius var. brevialatus C. B. Wolf 1938-9-29 10927 Riverside 9 miles from Temecula on road to Aguanga. Fork of Temecula wash. 335 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
  UCR180585  Lotus scoparius var. brevialatus Scott D. White, Angelia Carey 2004-4-5 10005 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  SEINET4568267 Image available Lotus stipularis Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2003-4-27 4589 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  RSA339350  Lotus strigosus R. F. Thorne, W. A. Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54052 Riverside San Bernardino Mts: Sandy beach along Whitewater River, E of bridge and levee and below W-facing bluff 412 Comment
  UCR163591  Lotus strigosus O. F. Clarke 2002-3-15 s.n. Riverside San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  UCR173155  Lotus strigosus Abby Sirulnik 2000-4-13 11 Riverside Peninsular Ranges, Southwestern Riverside County Multispecies Reserve, c. 3 mi NE of Skinner Reservoir 610 Comment
  UCR238485  Lotus strigosus Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-22 160 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley. N of I-10. Wiley Well Rd exit on 4x4 rd towards McCoy Peak 213 Comment
  UCR214552  Lotus strigosus var. tomentellus A. C. Sanders 2010-3-15 37393 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  RSA498724  Lotus tomentellus Bruce M. Crawford 1932-5-1 15293 Riverside Colorado Desert - Windmill springs. Comment
  UCR189545  Ludwigia peploides subsp. peploides Fred M. Roberts, S. Leatherman 2007-9-19 6582 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  POM177956  Lupinus arizonicus Joseph A. Ewan 1931-4-4 4151 Riverside mouth of Shaveris Canyon. Comment
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Jul 5 2010
  POM349953  Lupinus arizonicus N. C. Cooper 1944-4-8 1083 Riverside Andreas Canyon. 305 Comment
  RSA510034  Lupinus arizonicus B. Pitzer, S. Myers, J. Wilkinson 1988-2-21 603 Riverside S end of Coxcomb Mtns, 0.2 mi. N of Hwy 177 (Old Desert Center - Rice Road), 10.6 mi. NE of Desert Center. 229 Comment
  RSA703381  Lupinus arizonicus LeRoy Gross, Leland Lubinsky, Victor W. Steinmann, Linda Lee Worlow 2005-2-17 1407 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  RSA86947  Lupinus arizonicus F. W. Peirson 1935-4-17 11472 Riverside 25 miles north of Blythe, eastern Riverside. Comment
  SJSU1877  Lupinus arizonicus J. W. Tilden 1957-4-18 1093 Riverside near Whiteater, E of San Gorgonio Pass 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
  UCR213884  Lupinus arizonicus Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10895 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  SEINET5558728  Lupinus concinnus H. S. Gentry 1962-1 19743 Riverside 6-8 mi. SE of Temecula. 335 Comment
  UCR154741  Lupinus concinnus T. B. Salvato, Kent Beaman 2005-5-16 776 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
  POM157901  Lupinus densiflorus var. lacteus Philip A. Munz 1927-5-20 10792 Riverside Murrieta Hot Springs. Comment
  POM50419  Lupinus densiflorus var. lacteus W. W. Eggleston 1924-3-9 19518 Riverside Hemet Comment
  CAS-BOT-BC216689  Lupinus excubitus subsp. hallii Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  SEINET10451309  Lupinus excubitus subsp. hallii David B. Dunn, Melvin L. Conrad; Douglas G. LeDoux 1973-6-15 Dunn 20757 Riverside Along hwy 74 w of the jct rd to idyllwild, 11 mi. W, at the lower edge of the Coulter pines and near the chaparral. Decomp. Granite. Comment
  JEPS65129  Lupinus excubitus var. austromontanus W. L. Jepson 1901-5-19 1312 Riverside Strawberry Valley Mt. San Jacinto, Strawberry Valley 1676 Comment
  JEPS64932  Lupinus formosus Carl V. Meyer 1929-6-18 773 Riverside Upper Hemet Valley; San Jacinto Mts., Upper Hemet Valley Comment
  RSA413695  Lupinus hirsutissimus M. V. Hood 1945-3-26 s.n. Riverside Aguanga. 610 Comment
  UCR231810  Lupinus hirsutissimus Brent Barnes, A. C. Sanders, Giles Waines, UCR Plant Taxonomy Class 2007-5-12 04 Riverside Peninsular Range; San Jacinto Mtns., dirt forest service road north of Poppet Flats, west of Hwy 243 1253 Comment
  POM123543  Lupinus hyacinthinus Philip A. Munz, I. M. Johnston 1924-7-27 8772 Riverside Deer Springs, San Jacinto Mountains. 2500 Comment
  POM320521  Lupinus latifolius subsp. parishii Worthman 1960-5-16 165 Riverside 8.7 miles west of Murietta. 168 Comment
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Jun 16 2013
  UCR121225  Lupinus sparsiflorus Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2310 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  UCR16251  Lupinus sparsiflorus Steve Stadler 1966-4-12 41266- 56 .5 Riverside San Bernardino Mtns., Cherry Valley, in back of service station at corner of Cherry Valley Blvd. and Beaumont Ave. 823 Comment
  SEINET10490985  Lupinus succulentus var. succulentus August J. Breitung 1953-4-26 Breitung 14772 Riverside San jacinto. Sandy field. Flowers blue. Keel ciliate above and below near Base. Comment
  RSA559418  Lupinus truncatus Steve D. Boyd 1992-4-15 6861 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  RSA701346  Lupinus truncatus Michael Wall, Susan G Jett, Perez, Garcia 1994-6-1 60 Riverside S of Hemet, 0.2 mi W of Benjie Lane off Hwy R-3. Associated plants include Salvia apiana, Adenostema fasciculatum, annuals, and exotic grasses. 168 Comment
  UCR120205  Lupinus truncatus Mitch Provance 1998-3-5 195 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
  UCR225717  Lupinus truncatus A. C. Sanders 2011-3-30 38910 Riverside Peninsular Range; SE edge Gavilan Hills, along north side of Hwy 74 at Riverside Street, just outside city limits of Lake Elsinore 479 Comment
  RSA801942  Luzula comosa var. laxa LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6172 Riverside End of Apela Drive, west end of Strawberry Valley. And south of road (5S24) that runs out to the sewage disposal ponds. Collections are between this road, and Strawberry Creek., Basically ridge north of Strawberry Creek and creek north of this ridge, south of road. This draw drains into Strawberry Creek. 1524 Comment
  CAS-BOT-BC231416  Lycium andersonii E. A. McGregor 1917-3-18 s.n. Riverside Colorado Desert. 7 mi up Painted Canion [Canyon] Comment
  CLARK-A1528-883  Lycium andersonii Alan Chamberlain 1957-3-16 Riverside Riverside Comment
  OBI38809  Lycium andersonii A. C. Sanders, Pitzer, Charlton, and Kniffen 1986-3-3 6094 Riverside Corn Spring, Chuckwalla Mts 488 Comment
  POM183693  Lycium andersonii Philip A. Munz 1931-3-13 11969 Riverside 5 mi. S. W. of Blythe. Comment
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Dec 3 2011
  RSA435266  Lythrum californicum H. de Forest 1932-8-28 s.n. Riverside 1st Spring from San Jacinto. Comment
  UCR194209  Lythrum hyssopifolia Scott D. White, Angelia Carey 2004-6-4 10462 Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  RSA713872  Machaeranthera asteroides var. asteroides Michael Wall 2006-6-6 416 Riverside East Hemet, Cedar Avenue at Mountain Ave. 512 Comment
  UCR18373  Machaeranthera canescens Jeanine Derby 1977-1-13 s.n. Riverside San Jacinto Mtns, south fork of San Jacinto River 1067 Comment
  SDSU13822  Madia gracilis W. Miller 1972-8-19 Riverside Comment
  CAS-BOT-BC230891  Malacothamnus davidsonii John Thomas Howell 1952-10-24 28867 Riverside Pauba Ranch, about 8 miles east of Temecula Comment
  UCR92331  Malacothamnus densiflorus Scott D. White, M. D. Wilcox 1995-7-11 3470 Riverside Peninsular Range; Santa Ana Mtns., upper forks of Decker Canyon, SW of Main Divide Truck Trail 730 Comment
  CSUSB1011  Malacothamnus fasciculatus Heidi A. Haid 1964-5-8 6458 3 Riverside Box Springs Mountains Box Springs Mountains; 1/8 mile above end of Blaine Street. 426 Comment
  UCR35115  Malacothamnus fasciculatus L. B. Ziegler 1964-9-1 018 Riverside San Jacinto Mtns., Garner (Hemet) Valley, divide between south fork of San Jacinto River and Palm Canyon, beside Hwy 74. 1494 Comment
  UC1042381  Malacothamnus fasciculatus var. fasciculatus John Thomas Howell 1952-10-24 28867 Riverside ca 8 mi e Temecula (Pauba Ranch) Comment
  UC454926  Malacothamnus fasciculatus var. fasciculatus I. J. Condit 1910-6-24 Riverside San Jacinto River Valley Comment
  UCR123633  Malacothamnus fasciculatus var. fasciculatus Steven R. Hill, A. C. Sanders 2001-5-4 33731 Riverside Santa Rosa Plateau, Carancho Road, W side of De Luz Creek valley descending plateau, downslope from 'cut flower' farm. c. 1370 ft. NE of San Diego Co. line 186 Comment
  UCD134353  Malacothrix californica R. N. Raynor 1938-6-20 s.n. Riverside Coahuila. Comment
  RSA627852  Malacothrix clevelandii A. C. Sanders 1994-5-30 14586 Riverside Foothills NNE of Beaumont. 950 Comment
  POM362314  Malacothrix glabrata N. C. Cooper 1949-3-15 3033 Riverside Palm Springs. 122 Comment
  POM362322  Malacothrix glabrata Ora M. Clark 1929-3-16 1693 Riverside South of Cabazon. Comment
  RSA757734  Malacothrix glabrata LeRoy Gross, Jackie McConnaughy, Andrew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 s.n. 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
  SBBG8611  Malacothrix glabrata C. H. Muller 1952-4-6 9498 Riverside ca. 2 mi E of Shavers Summit, E of S entrance of Joshua Tree Nat Monument Comment
  UCR245960  Malacothrix glabrata Duncan S. Bell 2009-3-8 69 Riverside Arica Mountains, north tip of range, c. 3 air miles NW of Priest Well, or c. 5.5 air miles SW of ghost town of Rice 404 Comment
  UCR262098  Malacothrix glabrata A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41520 Riverside San Gorgonio Pass, 2.5 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope NE of the water bottling plant, east of Elm St. and south of I-10 483 Comment
  UCR77687  Malacothrix glabrata Steve Boyd, T. S. Ross, M. Hammitt 1991-5-2 6075 Riverside Vail Lake, SW and W flanks of Billy Goat Mtn. 3 mi north of Hwy 79, 1 mi west of Hwy 371, north of Aguanga 880 Comment
  UCR270750  Malacothrix saxatilis T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8363 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 436 Comment
  OBI12339  Malva parviflora Tracey & Viola Call, Viola Call 1962-4-8 2120 Riverside Rancho Rd, Corona 213 Comment
  SEINET10732075  Mammillaria microcarpa Betty Venrick 1962-1 Riverside Comment
  JEPS66862  Mammillaria tetrancistra W. L. Jepson 1912-10-29 5244 Riverside Riverside Mts. 91 Comment
  UCR112523  Marah macrocarpa Mitch Provance 1998-2-13 12 Riverside Jurupa Mountains, Pyrite Canyon, c. 0.3 km east of peak 1768, and c. 0.3 km south of Riv. / S.B. county line. 442 Comment
  VVC191  Marah macrocarpa A. C. Sanders, J. Mac 1997-5-4 20668 Riverside San Jacinto Mountains, N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment
  RSA457764  Marina parryi Steve D. Boyd, Richard Noyes, L. Arnseth, D. Nordin, Tim Ross 1988-3-10 2131 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA55410  Marina parryi Theo Glenn 1991-5-20 91 -99 Riverside Colorado Desert, Arica Mts, SW of Rice. 320 Comment
  RSA779802  Marina parryi Duncan S. Bell 2009-3-9 101 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
  UCSB3068  Marina parryi Haller, John 1958-3-22 Riverside Immediately S of Hwy. 60-70, 5.8 miles E of Desert Center Comment
  RSA96892  Marina parryi E. K. Balls 1954-6-18 19536 Riverside Along U.S Hwy 60-70 near Hayfields. Comment
  RSA0126838  Matricaria discoidea R. E. Riefner Jr. 2017-4-2 17 -140 Riverside City of Hemet, along California Ave. near Stowe Rd. 468 Comment
  UCR282162  Matricaria discoidea R. E. Riefner Jr. 2017-4-2 17- 140 Riverside Perris-Aguanga Basin, city of Hemet, along California Ave. near Stowe Road 468 Comment
  RSA747965  Matricaria occidentalis Justin M. Wood 2009-5-15 712 Riverside Romoland, 1/4 mile S of Ethanac Rd, between San Jacinto Rd and Palomar Rd, just S of railroad tracks. 442 Comment
  UCR154842  Matricaria occidentalis A. C. Sanders, Kelly Volansky 2005-3-17 29242 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  RSA562106  Medicago polymorpha Steve D. Boyd 1992-4-14 6800 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Verdugo Trail from Tenaja Trail to Bluewater Trail in upper watershed of Bluewater Canyon, S of Sitton Peak. 793 Comment
  CSUSB1094  Medicago sativa Shirley Hill 1963-3-31 630331 2 Riverside Corner of 8th and Lincoln in Banning. 100 feet from road. Comment
  RSA652934  Melia azedarach A. C. Sanders 1997-5-1 20616 Riverside Lake Skinner area: Old house site at gated road junction into Shipley Reserve area, c. 1 km NE of Lake Skinner in mouth of Rawson Creek Canyon. 457 Comment
  POM113305  Melica frutescens Marcus E. Jones 1882-4-25 s.n. Riverside San Jacinto. Comment
  SEINET269498 Image available Melica imperfecta Scott D. White 1996-3-31 3852 Riverside Elsinore Basin Bundy canyon southeast of Lake Elsinore. About 1 mile east of Bundy Canyon Road exit from I-15 freeway 450 Comment
  UCR195616  Melica imperfecta Pesach Lubinsky, Jeffrey Ross 1998-5-31 049 Riverside San Bernardino Mtns., Morongo Indian Reservation, eastern fork of Lion Canyon 713 Comment
  UCR24053  Melica imperfecta John C. Roos 1950-4-22 4754 Riverside Summit of Reche Canyon. 0.5 mi NE of the summit 793 Comment
  UCR265845  Melica imperfecta Mitch Provance 2012-5-24 512- 15 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
  CLARK-A1528-2861  Melilotus albus John C. Roos 1965-7-3 Riverside Riverside Comment
  CSUSB1117  Melilotus indicus Kheng Try Seng 1966-4-13 660413 7 Riverside Santa Ana Mountains Northeast slope of Santa Ana Mountain. End of Main Street, 4 miles from downtown Corona. 457 Comment
  UC1329996  Menodora spinescens var. mohavensis James E. Cole 1941-4-10 517 Riverside near Twenty-nine Palms Fan boundary; Joshua Tree National Monument Comment
  RSA0107459  Mentzelia albicaulis Duncan S. Bell, Amanda Turek 2009-3-29 148 Riverside Collecting in the large western drainage of the Arica Mountains, within the Palen/McCoy wilderness area. 434 Comment
  RSA554202  Mentzelia albicaulis Theo Glenn 1991-4-9 91 -6 Riverside Big wash in Eagle Mountains 787 Comment
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Mar 4 2013
  RSA0123364  Mentzelia involucrata Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9040 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
  SBBG20039  Mentzelia involucrata D. Myrick 1964-3-26 788 Riverside 15 mi S of Twentynine Palms, Joshua Tree Nat Monument 762 Comment
  UCR216680  Mentzelia involucrata Jim Andre, T. La Doux 2009-3-10 11241 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
  POM13053  Mentzelia involucrata var. megalantha P. A. Munz, D. D. Keck 1922-4-9 4836 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 427 Comment
  SD3177  Mentzelia laevicaulis Fidella g. Woodcock 1928-4-27 Riverside San Jacinto Creek. Comment
  UC284742  Mentzelia micrantha P. A. Munz 1923-6-14 7121 Riverside Trail from Glen Ivy to Santiago Peak. Santa Ana Mountains 1066 Comment
  GMDRC9792  Mentzelia nitens J. M. Andre 2017-3-1 37989 Riverside Orocopia Mountains: north end of range, near BLM Rd # 133, 3.5 mi. SE of Interstate 10 (at Box Cyn/Cottonwood Spring Rd exits). 606 Comment
  RSA660486  Mesembryanthemum nodiflorum A. C. Sanders, K. C. Rose 1998-5-21 21853 Riverside Hemet: alkaline flats west of town, E of the canal, S of Hwy 74 (Florida) and ca. 1/4 mi. W of Warren Rd. 457 Comment
  LA209014  Micranthes californica Harlan Lewis; 1937-3-19 Riverside Reche Canyon 487 Comment
  RSA543843  Micropus californicus Steve Boyd, Orlando Mistretta 1991-5-22 6302 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  CAS-BOT-BC322631  Microseris douglasii subsp. platycarpha D. Bramlet 1995-4-26 2398 Riverside Lake Skinner County Park on south facing slope adjacent (N.) of the water tank maintenance road (road from BM 1487) approximately 671 m east of the entrance road and the road to Tucalota Creek 476 Comment
  UCR166809  Microseris elegans R. E. Riefner Jr. 2005-4-22 05- 240 Riverside Patton Rd. at Patterson Ave., SE of Winchester near San Diego Aqueduct 452 Comment
  UC1595584  Microseris heterocarpa Steve Boyd and Orlando Mistretta 1991-5-9 6184 Riverside Santa Ana Mountains, lower flank of range along the Bedford Truck Trail on ridge between Bedford and McBride Canyons. 548 Comment
  UCR102878B  Microseris heterocarpa A. C. Sanders 1997-3-26 20131 B Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  POM6146  Microseris lindleyi I. M. Johnston 1968-4-27 s.n. Riverside Corona. 274 Comment
  UCR128561  Microseris lindleyi A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23908 Riverside Perris-Aguanga Basin region, Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta 396 Comment
  RSA0018773  Mimetanthe pilosa Gary D. Wallace 2003-7-8 4035 Riverside Hidden Lake. Comment
  SDSU13593  Mimulus aurantiacus var. puniceus W. Miller, C. Mosse 1972-7-12 Riverside R.R. bed 50 yards west of erosion area. Comment
  UCR138154  Mimulus aurantiacus var. puniceus D. L. Banks 1997-2-23 1305 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
  SFV17320  Mimulus bigelovii var. bigelovii J. N. Hogue, J. D. Dilley (265) 1998-4-23 108 .3 Riverside Chuckwalla Mountains. Corn Springs Wash at Corn Spring. 488 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
  UCR167674  Mimulus cardinalis T. B. Salvato, Melissa Clemons 2005-6-23 1291 Riverside Peninsular Range; Temescal Valley, Walker Canyon, 1.5 mi due east of Alberhill, N of Hwy I-15 412 Comment
  POM10951  Mimulus diffusus P. A. Munz, J. M. Johnston 1922-5-20 5467 Riverside Kenworthy; San Jacinto Mts. 1463 Comment
  UCR17145  Mimulus floribundus Eric Fisher 1979-5-19 s.n. Riverside Box Springs Mtns, Reche Canyon, 5.5 mi NW of Moreno 610 Comment
  UCR202242  Mimulus fremontii Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  UCR35244  Mimulus fremontii L. B. Ziegler 1968-5-1 281 Riverside San Jacinto Mtns., at Chimney Flats on the old control road to Idyllwild 1463 Comment
  RSA504548  Mimulus guttatus Ed LaRue 1989-5-28 s.n. Riverside 1.5 mi. NW Estelle Mountain, off Dawson Canyon Road; 1.5 mi. E. of Arcilla and 1.5 mi. SW of Monument Peak. 396 Comment
  UCR113873  Mimulus pilosus Mitch Provance, A. C. Sanders 2000-7-4 2092 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR12281  Mimulus pilosus Art Whistler 1966-5-30 s.n. Riverside Box Springs Mtns., 100 yds. below split of roads to radio station at bottom of slope near Pigeon Pass Road near UCR Campus Comment
  UCR84649  Mimulus pilosus Scott D. White, S. Ogg 1994-4-21 1960 Riverside San Bernardino Mountains, Millard Canyon, near stream crossing with US Forest Service Road 2S05, about 4 mi south of Bear Wallow Spring 915 Comment
  SBBG35039  Minuartia douglasii T. L. Secrest 1951-5-21 Riverside 3 mi S of Banning 1066 Comment
  UCR89536  Mirabilis bigelovii Bern Schwenn 1994-4-9 s.n. Riverside southern Mojave Desert, Little San Bernardino mtns, Joshua Tree National Monument [now National Park]: 'Hidden Gold' Canyon below the Hidden Gold Mine 1116 Comment
  SEINET212653  Mirabilis bigelovii var. retrorsa L. C. Higgins 1974-4-12 8480 Riverside 5 mi S of Morongo Valley on Hwy 62 Comment
  CAS-BOT-BC434677  Mirabilis laevis var. crassifolia A. C. Sanders; G. Waines; B. Ehdaie; A. Aryavand 1997-3-12 19886 Riverside Lake Skinner area: lower Rawson Canyon, NE of the lake and SW of Black Mtn., along the road. 518 Comment
  JEPS61346  Mirabilis laevis var. crassifolia Marjorie D. Clary 1932-3-20 1680 Riverside Mission Creek, NW of Garnet 457 Comment
  RSA0027988  Mirabilis laevis var. crassifolia Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3874 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
  SDSU14058  Mirabilis laevis var. crassifolia Michael Powers 2002-4-2 6 Riverside On north side of Via Tornado Road to north of Santa Margarita riverbed in Santa Margarita Ecological Reserve. 100 feet west of parking lot in riverbed. 233 Comment
  RSA27931  Mirabilis laevis var. retrorsa C. L. Hitchcock 1940-4-1 5906 Riverside 1 mi. below Cottonwood Springs. Joshua Tree Nat. Monument. Comment
  POM204398  Mirabilis linearis F. M. Reed 1934-7-25 8895 Riverside Santa Fe RR right of way, North of Central Ave 244 Comment
  SD119907  Mirabilis multiflora var. pubescens Louis B. Ziegler 1964-8-30 21 Riverside San Jacinto Mountains, Garner Valley. 1431 Comment
  JOTR36445  Mohavea confertiflora La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3415 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; just west of bend in Hwy 177 near park boundary; desert pavements w/ braided rivulets (Stop 1) 213 Comment
  RSA776945  Mohavea confertiflora Amber Swanson 2011-3-19 238 Riverside W of Eagle Mtn Rd to Railroad tracks abt 5 mi N of I-10 307 Comment
  SD241076  Monardella linoides subsp. linoides Mark A. Elvin 2004-6-2 3497 Riverside Peninsular Range; San Jacinto Mountains: Garner Valley, east of Hwy 74 between Fobes Ranch Road and Morris Ranch Road at base of foothills (Anza/Idyllwild 7.5'Q) 1387 Comment
  CHSC21752  Monardella macrantha subsp. hallii Robert A. Schlising 1968-8-17 2906 Riverside On trail to San Jacinto Peak, above Marian Mt. campground. Comment
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Jul 22 2020
  CLARK-A1528-579  Monardella nana subsp. arida C. M. Flanagan 1973-5-12 OO 405 Riverside San Jacinto Mountains 1097 Comment
  RSA750411  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 60 Riverside Road to Santa Rosa Mt. 1.5 miles above Pines to Palms Highway. Comment
  RSA750290  Monardella nana subsp. tenuiflora Elizabeth McClintock, D. Weiner 1941-7-11 98 Riverside Black Mt. 0.1 mile beyond turn off from Banning-Idyllwild road. Comment
  UC1499816  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-17 119 Riverside trail to Suicide Rock (at the stream which crosses the trail, a short distance beyond the forks); San Jacinto Mts. Comment
  UC25481  Monardella nana subsp. tenuiflora H. M. Hall 1901-6-24 2258 Riverside w side San Jacinto Mountains 1828 Comment
  RSA797240  Monardella odoratissima subsp. australis Robert F. Thorne, Walter Wisura 1977-9-17 50769 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  UCR85275  Monardella robisonii Bern Schwenn 1994-4-17 s.n. Riverside Southern Mojave Desert, Joshua Tree National Monument, north side of Hexie Mtns, near Hidden [and Stirrup] Tanks 1067 Comment
  JOTR35477  Monoptilon bellidiforme Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-26 80 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W of Juniper Flats Comment
  CAS-BOT-BC349806  Monoptilon bellioides S. B. Parish 1896-4-1 s.n. Riverside Palm Springs, Colorado Desert Comment
  RSA124110  Monoptilon bellioides P. C. Everett, B. K. Balls 1958-4-29 22959 Riverside U.S. Hwy 60/70, Indio to Blythe, 5 mi. E from jct. with U.S. Hwy 99 122 Comment
  UCR104835  Monoptilon bellioides George K. Helmkamp 1998-4-4 3165 Riverside Sonoran (Colorado) Desert, 7.1 miles north of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station 305 Comment
  UCR214163  Monoptilon bellioides T. B. Salvato 2010-4-20 4059 Riverside Sonoran (Colorado) Desert, alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 189 Comment
  POM13069  Muhlenbergia filiformis E. C. Jaeger 1921-6-24 s.n. Riverside Long Valley Comment
  SEINET212451 Image available Muhlenbergia microsperma Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Ke 1973-3-21 6436 Riverside Big Maria Mountains 12 airline miles north of downtown Blythe. 290 Comment
  UCR42326  Muhlenbergia microsperma N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 176 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  UCR101805  Muhlenbergia rigens George K. Helmkamp, E. A. Helmkamp 1998-8-17 4439 Riverside Santa Ana Mtns., San Juan Canyon along the Ortega Hwy (Calif. Hwy 74) beside the Orange Co. line 503 Comment
  POM307297  Muilla maritima Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2155 Riverside Santa Rosa Mountains. Comment
  RSA367333  Muilla maritima Gale Sphon 1955-5-21 s.n. Riverside 6 miles south of Banning. Comment
  RSA674957  Muilla maritima Scott D. White 2001-6-8 8570 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  RSA68692  Muilla maritima F. W. Peirson 1922-4-29 2942 Riverside 2 miles south of Elsinore. 366 Comment
  SD27438  Myriopteris viscida The Brothers Parish 1882-1 Riverside Agua Caliente [now Palm Springs] Comment
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Jul 16 2010
  RSA550356  Nama demissa Walter Wisura 1992-3-24 4632 Riverside 13.1 miles NE of Mecca on Box Canyon Road. Comment
  UCR20772  Nama demissa A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1316 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  UC700956  Nama demissa var. demissa Aven and Ruth Nelson 1939-3-29 3322 Riverside between Mecca and Hidden Springs; between Mecca and Hidden Springs Comment
  UCR167391  Nama hispida John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  SEINET5520870  Nama hispida H. M. Hall 5886 Riverside Colorado Desert. Chuckawalla Bench. Comment
  RSA575976  Narcissus tazetta Steve Boyd 1981-2-2 s.n. Riverside Gavilan Hills region, upper Arroyo del Toro along old road grad west of Bull Canyon Road. 610 Comment
  RSA587425  Nassella lepida D. L. Banks, Steve Boyd 1995-6-2 569 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail N of the Riverside County boundary;, in the clay grasslands in section 32, W of the Dripping Springs Alcove Area. 890 Comment
  RSA179527  Nassella pulchra E. W. Lathrop 1964-5-10 5374 Riverside 10 miles west of Murrieta. 610 Comment
  SEINET225791  Nassella pulchra E. W. Lathrop 1959-5-29 4587 Riverside Cleveland National Forest ; 14 miles West of Murrieta Tenaja Canyon. Comment
  UC1531114  Nassella pulchra Kay L. Tomlinson, Deborah L. Kama, and Robert F. Thorne 1985-3-27 890 Riverside Mesa de Colorado Santa Rosa Plateau 609 Comment
  RSA522087  Navarretia atractyloides Steve Boyd, T. S. Ross, Kyle A. Boyd 1989-6-24 3753 Riverside Vail Lake area, along road in shallow cyn on SE flank of 'Little Oak' Mtn, W of Kolb Creek drainage, N of Hwy 79. Comment
  SD146190  Navarretia atractyloides Andy C. Sanders 2000-5-25 23425 Riverside Menifee Valley; S of Newport Road and E of Bradley Road, 2 miles due East of Railroad Canyon Lake 438 Comment
  RSA623558  Navarretia fossalis R. E. Riefner 1998-7-10 98 -415 Riverside Menifee Valley Comment
  RSA658434  Navarretia fossalis J. C. Roos 1952-5-28 5729 Riverside San Jacinto River bottomland 1 mile south-east of Perris. 427 Comment
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Aug 8 2008
  UCR166713  Navarretia hamata Scott D. White, Jennifer H. Jones 2005-5-25 11113 Riverside Peninsular Ranges; Santa Ana Mtns., Rainbow area; foothills west of I-15 Freeway and immediately N of San Diego County line 579 Comment
  UC102222  Nemacladus longiflorus var. longiflorus Katharine Brandegee 1905-5-12 Riverside near Riverside (Wilder's) Comment
  SEINET10461042  Nemacladus ramosissimus Hall Hall 1961 a Riverside Comment
  RSA729021  Nemacladus rubescens R. F. Thorne 1973-3-30 42659 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  SEINET3417802  Nemacladus rubescens Andrew C. Sanders, M. Skinner 1995-4-6 16396 Riverside Sonoran (Colorado) Desert; NW end of Coachella Valley, wash east of Hwy 62 and south of Indian Avenue; 0.45 mi. south of Indian on Worsley Road 500 Comment
  POM98809B  Nemacladus rubescens P. A. Munz 1926-1-31 9979 Riverside Palm Springs. [Dos Palmas Spring] Comment
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May 30 2011
  SEINET10461104  Nemacladus rubescens Mcneal 1979-4-20 MCNEAL s.n. Riverside Flash flood wash parallel to Highway 195, 9.9 miles southwest of its junction with Interstate 10 Comment
  SEINET10461122  Nemacladus rubescens Annie M. Alexander, Louise Kellogg 1941-4-24 Alexander 2085 Riverside Gorge of Dry Morongo Creek, Morongo Valley 640 Comment
  POM12681  Nemacladus tenuis var. aliformis P. A. Munz 1922-4-9 4745 Riverside Palm Springs. 76 Comment
  RSA421331  Nemophila menziesii Ora M. Clark 1929-3-2 1606 Riverside Near Alberhill Comment
  RSA522735  Nemophila menziesii Steve Boyd, Tim Ross, L. Arnseth 1990-3-29 3841 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
  RSA0105076  Nemophila menziesii var. menziesii Daphne K. Christopher, Hannah Stevens 2003-4-4 97 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 536 Comment
  UCR119803  Nicotiana attenuata A. C. Sanders, Mitch Provance 1999-9-26 23093 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area 1323 Comment
  RSA544378  Nicotiana bigelovii var. wallacei Steve D. Boyd, Tim S. Ross 1991-6-14 6393 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
  CLARK-A1528-4354  Nicotiana clevelandii H. A. Zuill 1966-7-1 Riverside Lake Elsinore Comment
  UC64780  Nicotiana clevelandii Charlotte M. Wilder 1904-5-11 174 Riverside Miller's Fork, Santa Ana River Santa Ana River (West Riverside) Comment
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Sep 5 2011
  UC1922054  Nicotiana glauca Scott D. White, Angelia Carey 2004-4-5 10015 Riverside SAN JACINTO MTN FOOTHILLS: North of Valle Vista. Indian Creek Watershed. Comment
  RSA659516  Nicotiana obtusifolia J. C. Roos 1966-2-5 s.n. Riverside Pushawalla Wash near 1000 Palms, Indio Hills. Comment
  SBBG101775  Nicotiana quadrivalvis S. Boyd, T. Ross 1991-6-14 6393 Riverside Warm Springs Crk at the NE end of Hogbacks ridge, from Alamos Rd S to confluence w/ Adobe Spring tributary, 2-3 mi NW of Murrieta Hot Springs Comment
  SD136742  Nicotiana quadrivalvis Steve Boyd, Tim Ross 1992-5-15 7394 Riverside San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junctionof Tenaja and Morgan Trails, west of Round Potrero 671 Comment
  UC26156  Nicotiana quadrivalvis Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  UCR139647  Nicotiana quadrivalvis A. C. Sanders 2004-6-30 28386 B 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
  POM886  Notholaena californica subsp. californica I. M. Johnston 1918-4-27 1864 Riverside Temescal Canon (Between Elsinore and Corona) 366 Comment
  CHSC8539  Oenothera Edward Laidlaw Smith 1958-3-21 382 Riverside 6 mi. s. Rice near Priest's Well. Little Santa Ana Mt. Range. Colorado River drainage area. 365 Comment
  CAS-BOT-BC171495  Oenothera californica Roxana S. Ferris; Ruth P. Rossbach 1938-5-20 9666 Riverside Between Riverside and Ontario Comment
  UC604974  Oenothera californica subsp. californica Roxana S. Ferris and Ruth P. Rossbach 1938-5-20 9666 Riverside between Riverside and Ontario Comment
  SD247470  Oenothera deltoides T. B. Salvato, R. T. Hawke, et al. 2013-3-8 7302 Riverside Sonoran (Colorado) Desert: south of Highway I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road about 1.4 kilometers west of its junction with Augustine Pass Road. 136 Comment
  POM355589  Oenothera deltoides subsp. deltoides Gale Sphon 1955-5-15 s.n. Riverside 5 miles north of Cathedral City. Comment
  RSA718760  Oenothera deltoides subsp. deltoides Michael Honer, L. Hulse 2004-4-14 1945 Riverside Rice Valley; appx. 2 mi. SE of Rice. 240 Comment
  RSA399179  Oligomeris linifolia N. C. Cooper 1949-4-8 3283 Riverside Shaver's Summit east of Indio. 610 Comment
  RSA698596  Oligomeris linifolia J. R. Bruff s.n. Riverside Palm Springs. Comment
  UC665851  Oligomeris linifolia Ira L. Wiggins 1941-3-24 9581 Riverside 3.5 mi s Mortmar (beach along eastern margin of Salton Sea); along eastern margin of Salton Sea Comment
  RSA0039458  Oncosiphon piluliferum A. C. Sanders 2013-4-17 40806 Riverside Hwy 74 between Lake Elsinore and Meadowbrook, 0.1 km NE of Wasson Canyon Rd. intersection 499 Comment
  UCR154611  Oncosiphon piluliferum A. C. Sanders, T. B. Salvato 2005-5-17 30239 Riverside Perris Basin, San Jacinto Valley, Gilman Springs Rd. at Quail Lake Golf Course 439 Comment
  SEINET10907380  Opuntia basilaris A. Evans 1976-4-13 Evans 5171 Riverside Rocky slopes of santa rosa mtns. Comment
  RSA586860  Opuntia basilaris var. basilaris D. L. Banks, S. D. Boyd 1995-5-3 0248 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UCR68159  Opuntia littoralis B. D. Parfitt, R. Anthony, A. C. Sanders 1986-4-19 3498 Riverside Santa Ana Mtns., Santa Rosa Plateau, SSE of Lake Elsinore, Mesa de Colorado, opposite side of road from a large vernal pool protected by the Nature Conservancy. 549 Comment
  RSA285347  Opuntia phaeacantha Lyman Benson 1955-12-6 15625 Riverside Whitewater River canyon 5 miles above US 99. 610 Comment
  UCR201408  Orobanche californica subsp. feudgei Justin M. Wood, Brandy N. Ulrich 2008-7-14 18 Riverside San Jacinto Mountains, Garner Valley, near intersection of Fobes Ranch Road and Hwy 74 1360 Comment
  RSA0069021  Orobanche cooperi subsp. cooperi Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  SBBG54321  Osmadenia tenella C. Davidson 1977-5-25 5646 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
  SDSU13836  Osmadenia tenella W. Miller 1972-7-11 Riverside Comment
  SEINET4208826  Osmadenia tenella Steve Boyd, Tim Ross 1992-6-10 7626 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 of Tenaja Road (7S01) and Los Alamos Road (&S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek.; 0 671 Comment
  UC123746  Oxytheca emarginata F. M. Reed 1908-7-14 2447 Riverside ridge s Tahquitz; San Jacinto Mountains 2438 Comment
  UCR11672  Oxytheca emarginata Carl Epling, A. Lee Haines 1937-5-7 s.n. Riverside San Jacinto Mtns., Vandeventer Flat Comment
  UCR251986  Oxytheca emarginata A. C. Sanders, T. B. Salvato 2014-7-2 41169 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  OBI8361  Paeonia californica David J. Keil, Malcolm McLeod 1977-3-26 12022 -2 Riverside 9 mi E of jctn with I-15 along Calif 79 518 Comment
  UCD102585  Paeonia californica C. L. Hitchcock 1966-3-15 24165 Riverside 10 miles N.E. of Temecula. Comment
  JEPS34754  Palafoxia arida var. arida I. W. Clokey 1935-4-17 6838 Riverside e Shafer Wells; Colorado Desert; [Shaver's Wells] Comment
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Apr 24 2011
  UC485220  Palafoxia arida var. arida Joseph Grinnell 1910-3-17 Riverside Riverside Mt. Colorado River (sandy place at foot of mesa) Comment
  UCR104022  Palafoxia arida var. arida George K. Helmkamp, E. A. Helmkamp 1998-2-5 2660 Riverside Sonoran (Colorado) Desert, Indio Hills, 3 mi. east of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  VVC695  Palafoxia arida var. arida P. J. MacKay, T. Thomas 1997-2-8 100 Riverside Colorado Desert, Palm Springs, Tahquitz debris basin mouth of Tahquitz Canyon Comment
  CLARK-A1656-880  Palafoxia linearis Lois Ann Scott 1977-11-18 Riverside Palm Springs Comment
  SEINET3271553 Image available Panicum O. F. Clarke 2002-11-3 Riverside Peninsular Range; Riverside; UCR Botanical Garden 340 Comment
  RSA737421  Panicum capillare Justin M. Wood 2008-9-19 130 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR2624  Panicum capillare F. M. Reed 1903-12-18 416 Riverside Riverside, Box Springs Mtns. foothills, natural bridge, Little Arroyo. (E edge of town near Tequesquite Arroyo and Chicago Ave., 'Little Arroyo' evidently drained into Arroyo T. from the N a short distance west of Chicago Ave.- notes by A. Sanders, 1993) 293 Comment
  SEINET270107  Papaver californicum Steve Boyd, Carol Boyd; Kyle Boyd 6736 Riverside San Mateo Canyon Wilderness Area ; Santa Ana Mountains Tenaja Canyon along trail from wilderness boundary downstream towards Fisherman's Camp 366 Comment
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Mar 1 2014
  UCR68718  Papaver californicum Steve Boyd, T. S. Ross 1990-5-11 4629 Riverside Peninsular Range, base of Agua Tibia Mtn, east of Dripping Springs campground of Cleveland National Forest Comment
  RSA621901  Parietaria hespera var. hespera Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-3-11 2905 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 396 Comment
  LA45756  Parkinsonia florida Carl Epling; William Robison 1933-6-24 sn Riverside near Indio Comment
  LA99452  Parkinsonia florida Hisao P. Arai; 1957-4-18 sn Riverside Box Canyon, near Mecca; off Highway 195 Comment
  SBBG68550  Parkinsonia florida R. Hoffmann 1928-10-21 Riverside below Fig Tree John's [Figtree John Spring] -60 Comment
  SDSU7891  Parkinsonia florida D. L. Harrison 1967-4-13 13 IV87D Riverside Sandy roadside. From jet. of St. Rt. 111 & St. Rt. 195 in Mecca, NE 15 miles on St. Rt. 195 in the Mecca Hills. 91 Comment
  PASA201  Parosela schottii Stason 1930-3-9 Riverside Painted Canyon Comment
  UCR2642  Paspalum distichum F. M. Reed 1907-6-9 1398 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside, roadside on Marborough Street 305 Comment
  UCR34953  Pectis papposa L. B. Ziegler 1964-9-2 035 Riverside San Jacinto Mountains, Pinyon Flats 1311 Comment
  UCD134916  Pectis papposa var. papposa Geoffrey Levin 1976-10-17 1180 Riverside Colorado Desert. Box Canyon, about 11 mi. east of Mecca. Mecca Hills Mt. Range. Salton Sea Basin. 91 Comment
  UCR90758  Pectocarya anisocarpa Scott D. White 1995-4-5 2740 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  CDA40696  Pectocarya heterocarpa T. C. Fuller 1962-4-4 8000 Riverside Highway 99 [later renumbered Highway 86], 0.4 mile south of Oasis. 0 Comment
  SD236233  Pectocarya linearis John F. Green 2006-4-25 Riverside Peninsular Ranges; Foothills of Santa Ana Mountains / Santa Rosa Plateau; Temecula, Southern California Edison right of way between residential areas, N-S corridor between S General Kearny Road and la Serena Way; E of Veterans park (Bachelor Mtn 7.5'Q) 366 Comment
  RSA487456  Pectocarya linearis subsp. ferocula D. C. Hawks 1988-3-27 s.n. Riverside Between Aguanga and Anza SE of intersection of Dove and Sycamore Streets, S of Hwy 371. Tule Creek drainage, 1.75 mi airline NE of Aguanga. 762 Comment
  VVC2877  Pectocarya linearis subsp. ferocula Tim Thomas, P. J. MacKay 2010-4-12 5047 Riverside San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw. 878 Comment
  UCR174385  Pectocarya penicillata A. C. Sanders 2006-5-19 32416 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR84836  Pectocarya peninsularis A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16140 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  RSA703375  Pectocarya platycarpa LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1437 Riverside Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  JOTR33972  Pectocarya recurvata La Doux, Tasha, M. Harding 2010-4-7 2860 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  OBI28391  Pectocarya recurvata Robert F. Hoover 1969-4-11 11214 Riverside N of Morongo, Valley Cyn Comment
  UCR88291  Pectocarya recurvata A. C. Sanders, K. C. Rose 1995-4-5 16386 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  UCR77717  Pectocarya setosa Steve Boyd 1991-5-7 6169 Riverside Peninsular Ranges, Santa Ana Mountains, SE and E side of Elsinore Peak 1067 Comment
  CLARK-A1528-4287  Pedicularis densiflora John C. Roos 1966-4-23 Riverside Santa Ana Mountains Comment
  RSA612375  Pedicularis densiflora D. L. Banks, Joe Moreno 1997-2-5 1247 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The area 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. 402 Comment
  RSA80830  Pedicularis densiflora F. W. Peirson 1921-3-19 2741 Riverside 4 miles west of Beaumont, on road to Redlands. Comment
  UCR271718  Pelargonium grossularioides A. C. Sanders 2016-6-26 42518 Riverside Peninsular Range, Riverside, UCR Botanic Garden, at west edge of the herb garden 363 Comment
  UCR208101  Pellaea andromedifolia Mary V. Hood 1945-3-27 s.n. Riverside Peninsular Range, Cottonwood Creek near Aguanga 610 Comment
  CAS-BOT-BC71398  Pellaea mucronata Lewis S. Rose 1966-12-14 66108 Riverside Chino Canyon, 3 mi. W. of Palm Springs 670 Comment
  UC1874932  Pellaea mucronata subsp. mucronata Ruth Kirkpatrick 1952-4-25 1152 Riverside Along Hwy 243, 2.5 road mi from Banning. Comment
  IRVC3153  Pellaea mucronata var. californica R. H. Whittaker, W. A. Niering 1963-5-31 SJ 117 Riverside Elks Road. Peninsular Ranges, Santa Rosa Mountains 1265 Comment
  RSA736557  Pennisetum setaceum Scott D. White, Angelia Carey 2004-7-2 10576 Riverside Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  SFV17402  Penstemon X parishii M. S. Valenzuela, P. Wilson 1998-6-3 68 Riverside Highway 74 near mile marker 73.56. 1220 Comment
  UCR20115  Penstemon californicus T. P. Krantz 1978-1 s.n. Riverside San Jacinto Mtns., Garner Valley 1372 Comment
  RSA489134  Penstemon centranthifolius Jack Easton 1988-5-2 s.n. Riverside Anza area. 1189 Comment
  UCR137170  Penstemon centranthifolius Larry E. DeBuhr 1972-3-23 512 Riverside Santa Rosa Mtns., San Bernardino National Forest, along forest road 7S02 to Santa Rosa Mt. 1646 Comment
  RSA412502  Penstemon clevelandii subsp. connatus Gale Sphon 1956-6-13 s.n. Riverside Palms to Pines Hwy Comment
  NY583961  Penstemon clevelandii var. connatus C. B. Wolf 1939-9-29 9461 Riverside Desert slopes of San Jacinto Range, 1 2/10 mile above Ribonwood on the Palms-Pines road. 1280.2 Comment
  NY601159  Penstemon grinnellii N. H. Holmgren 1969-6-18 3586 Riverside San Jacinto Mountains, San Jacinto Wilderness, along trail above Humber Park, about 3 airline miles northeast of Idyllwild. Comment
  UCR17522  Penstemon labrosus Frank C. Vasek 1979-7-26 s.n. Riverside Santa Rosa Mtns, Vicinity of Virgin Spring and Stump Spring 2348 Comment
  SD229291  Penstemon rostriflorus Dick Schwenkmeyer 2011-8-25 653 Riverside Thomas Mountain, Tool Box Springs Campground 1857 Comment
  POM4262  Penstemon spectabilis H. M. Hall 1902-04 2923 Riverside Vicinity of Riverside 366 Comment
  SEINET4097936  Penstemon spectabilis C. Davidson 1975-1 2805 Riverside About 4 miles south of Banning on road R1 to Idyllwild. 1127 Comment
  UCR104933  Penstemon spectabilis A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20676 Riverside San Jacinto Mountains, N side of the range, 0.2 mi. north of Twin Pines Ranch Road on the dirt road to Brown Creek and Cabazon 1098 Comment
  RSA0036468  Penstemon spectabilis subsp. subviscosus J. M. Andre 2012-6-15 30503 Riverside San Jacinto Mountains: Along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest. 1171 Comment
  NY661194  Penstemon spectabilis var. spectabilis F. W. Pennell 1940-4-28 25279 Riverside Route 74, 7-8 miles east of Hemet 548.6 Comment
  CAS-BOT-BC239692  Penstemon thurberi Edmund C. Jaeger 1931-10-25 s.n. Riverside 2 miles north of Lost Horse Mine, crossroads of Lost Horse-Stubby Springs road, Little San Bernardino Mountains Comment
  RSA93281  Pentachaeta aurea F. W. Peirson 1922-5-19 3037 Riverside San Jacinto River 1143 Comment
  CAS-BOT-BC71580  Pentagramma triangularis subsp. maxonii Ivan Johnston 1917-4-4 1045 Riverside Palm Canyon 274 Comment
  IRVC19373  Pentagramma triangularis subsp. triangularis R. L. Allen 1977-2-11 s.n. Riverside Bear Creek Canyon; near Ortega Highway [74]. Peninsular Ranges, Santa Ana Mountains Comment
  JOTR35930  Peritoma arborea De Groot, Sarah J., Jessica Chu, Loraine Washburn 2013-3-22 6878 Riverside Joshua Tree National Park. Cottonwood Spring; Fan palm oasis and surrounding slopes. 914 Comment
  SBBG2631  Peritoma arborea H. and M. Dearing 1939-12-31 4045 Riverside 5 mi N of Palm Springs Comment
  SEINET5767260  Peritoma arborea N. H. Holmgren, Patricia K. Holmgren, Ruth E. Kern 1973-3-23 6484 Riverside At the south entrance to Joshua Tree national Monument, near Interstate 10, 24 miles east of Indio 549 Comment
  JOTR34295  Peritoma arborea var. angustata Andre, Jim 2012-4-11 20704 Riverside Joshua Tree National Park. N. end of Hexie Mountains, Hidden Tank Picnic Area, approx. 8 mi south of north entrance station, and 1.4 mi SW of paved road (Rte 11) 1076 Comment
  CAS-BOT-BC177607  Perityle emoryi Sarah J. De Groot; Leland Lubinsky; Naomi Fraga; Lisa Rojas 2005-2-10 4596 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains 402 Comment
  UC485143  Perityle emoryi F. M. Reed 1917-5-19 3854 Riverside Colorado Desert , Palm Canyon Comment
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Aug 14 2010
  UCR103554  Perityle emoryi George K. Helmkamp 1998-1-17 2539 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road ENE of Mecca and on the north side of the Coachella Canal .3 Comment
  JOTR35186  Persicaria lapathifolia La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3280 Riverside Joshua Tree National Park. Queen Mountains; West side of Barker Dam; Small riparian zone in and along drainage from dam (Stop 5) 1300 Comment
  POM48456  Petalonyx linearis P. A. Munz, D. D. Keck 1925-3-7 9353 Riverside Painted Canyon, Mecca. Comment
  UCR144106  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. Proposed aggregate mine expansion 183 Comment
  CAS-BOT-BC326772  Peucephyllum schottii John Thomas Howell 1928-3-24 3532 Riverside Painted Canyon, Colorado Desert Comment
  POM294264  Peucephyllum schottii Lyman Benson 1945-3-29 11625 Riverside Canyon on Palm Spring Rd. Little San Bernardino Mt 610 Comment
  UCR147005  Peucephyllum schottii Scott D. White 1999-4-21 7246 Riverside Sonoran (Colorado) Desert, East end of Coachella Valley: Bajada between Little San Bernandino Mts. and Indio Hills 213 Comment
  UCR16825  Phacelia brachyloba Tony Beck 1968-5-4 680504- 8 Riverside San Jacinto Mtns., 4 mi. south of Banning on Hwy '74' [ 243] 915 Comment
  RSA74791  Phacelia campanularia F. W. Peirson 1917-4-1 4123 Riverside Palm Springs Comment
  UC2026385  Phacelia campanularia subsp. vasiformis Louis C. Wheeler 1952-4-6 6855 Riverside JOSHUA TREE WILDERNESS; COTTONWOOD MOUNTAINS REGION: Near Cottonwood Spring. Comment
  RSA613708  Phacelia cicutaria var. hispida George K. Helmkamp 1998-4-3 3090 Riverside Coachella Valley: Mission Creek, the Wildlands Conservancy Preserve. 1.1 mile NW of the ranch house besides a gauging station along the creek. 747 Comment
  SDSU12935  Phacelia cicutaria var. hispida Jutta Buschbom 1991-6-3 39 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
  SDSU18727  Phacelia cicutaria var. hispida C. Matt Guilliams, Jeannine Ross 2008-3-12 523 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. Collections near the Dudleya multicaulis restoration site. 388 Comment
  UCR103479  Phacelia ciliata D. E. Bramlet 1993-4-3 2309 Riverside South Cajalco Bend, c. 61m south of Cajalco Road, at location 3.2 km east of intersection of Cajalco Road and La Sierra Ave., c. 152m east of intersection with old Monument Peak access road 439 Comment
  JOTR28947  Phacelia crenulata var. ambigua La Doux, Tasha 2005-3-30 1183 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  UC1922409  Phacelia crenulata var. ambigua Naomi Fraga, Lisa Rojas 2005-2-10 1361 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCR279512  Phacelia crenulata var. ambigua A. C. Sanders, Jim Malusa 2017-3-27 43113 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, canyon 12 km NE (46 deg. ) of Bombay Beach, on both sides of the Imperial County line 305 Comment
  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
  UC1518622  Phacelia cryptantha Robert F. Thorne, Drs. Fosberg, Sachet, and Herbst 1983-4-23 55464 Riverside side canyon on w side Whitewater Canyon (ca 3.3 mi n of Whitewater Post Office) 594 Comment
  SD52981  Phacelia curvipes Peter H. Raven 1962-5-18 17756 Riverside Road to Indian Hill Canyon 0.6 miles east of Santiago Peak, Santa Ana Mountains. 1615 Comment
  RSA426206  Phacelia distans N. C. Cooper 1945-5-24 2003 Riverside Big Oaks Canyon, Banning 1220 Comment
  RSA426249  Phacelia distans Martha Hilend 1928-3-11 83 Riverside Morongo Valley, Colorado Desert. Comment
  RSA778137  Phacelia distans Jim Andre 2011-2-2 16208 Riverside Coachella Valley; west of Palm Springs along Hwy. 111 (south side) at base of San Jacinto Mts. at Windy Point, approx. 5.5 miles from Jct. with I-10 259 Comment
  SEINET5764749 Image available Phacelia distans Scott D. White 2001-4-12 8296 Riverside Colorado Desert: Shaver's Valley. South of I-10 Freeway, ca. 15 miles E of Indio junction with CA 111. Comment
  UCR893  Phacelia distans Frances Miller 1964-5-5 M 6426 Riverside Box Springs Mountains, end of Goodrich Drive, beside stables 366 Comment
  RSA428086  Phacelia minor Christopher Davidson 1973-4-1 1794 Riverside Agua Tibia Mountains. Highway 71/79 approximately 7 miles from junction of US 395 South. 412 Comment
  UC24494  Phacelia minor H. M. Hall June 1901 2280 Riverside vicinity of Strawberry Valley San Jacinto Mountains 1600 Comment
  UC916698  Phacelia minor Frank W. Gould 1944-4-4 2212 Riverside on hwy 71 9 mi se Temecula Comment
  UCD120566  Phacelia minor Robert C. Bechtel 1952-3-28 24 Riverside Perris. 443 Comment
  UCR50414  Phacelia minor D. C. Hawks 1988-3-27 s.n. Riverside between Aguanga and Anza, southeast of intersection of Dove and Sycamore Streets, south of Hwy 371. Tule Creek drainage, 1.75 mi airline northeast of Aguanga 762 Comment
  UC729828  Phacelia mutabilis Carl B. Wolf 1932-8-5 3936 Riverside along trail from Tahquitz Valley to San Jacinto Peak; San Jacinto Mts. 2621 Comment
  UCR47745  Phacelia suaveolens subsp. keckii Percy C. Everett 1935-6-18 7205 Riverside Santa Ana Mtns., Coldwater Canyon Trail, c. 2 mi below Main Divide Motorway 1220 Comment
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Jul 21 2018
  RSA0007630  Phacelia suaveolens subsp. keckii Percy C. Everett 1935-6-18 7205 Riverside Santa Ana Mts., Coldwater Can. Trail, about 2 mi. below (North) Main Divide Motorway. 1220 Comment
  UC76970  Phalaris canariensis F. M. Reed 1904-5-24 589 Riverside Riverside Comment
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Oct 14 2013
  POM14416  Phalaris lemmonii P. A. Munz, I. M. Johnston 1922-5-18 5319 Riverside 3 miles south of Elsinore Comment
  UCR249866  Phalaris lemmonii Virginia Moran 2008-3-31 s.n. Riverside Johnson Ranch (managed by Center for Natural Lands Management), vicinity of Skunk Hollow and Santa Gertrudis Creek, NE of Temecula 427 Comment
  UCR252658  Phalaris minor T. B. Salvato, Matthew Malle 2013-4-2 7494 Riverside Perris-Aguanga Basin, Wildomar, c. 2 mi east of Lake Elsinore, west side of Mission Trail, north of Victorian Lane 387 Comment
  UCR280978  Phalaris minor Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-10 417- 83 Riverside Elsinore Trough, Baker St., 0.05-0.15 miles SE of Pierce St. [NW edge of city of Lake Elsinore, near Terra Cotta] 384 Comment
  CDA2321  Phalaris paradoxa A. C. Sanders, T. B. Salvato 2001-5-25 24374 Riverside west end of Hemet-Ryan airport runway, 50-200 m east of Warren Rd. and 100-200 m north of Stetson Avenue, San Jacinto Valley. Comment
  SD128015  Phleum alpinum Michael Curto 1989-8-6 599 Riverside San Jacinto Mts, Fuller Ridge Trail, at springy N headwaters of Fuller Mill Cr. 2695 Comment
  UCR2662  Phleum pratense F. M. Reed 1906-7-1 1118 Riverside Riverside, in lawns 366 Comment
  SD67915  Phlox austromontana Reid Moran 1968-8-3 15364 Riverside On rocky north slope, ridge 1 mile NW of Toro Peak. 2250 Comment
  CAS-BOT-BC219552  Pholisma arenarium James N. Clark 1926-5-16 s.n. Riverside Near Gold Coin Mine Comment
  RSA678116  Pholisma arenarium Valerie L. Soza, Steve D. Boyd, Neil Gilbert 2000-12-6 1062 -b Riverside Bautista Canyon, alongside Bautista Canyon Road, across from Bautista Conservation Camp. 854 Comment
  RSA709638  Pholistoma auritum A. C. Sanders, Guy Bruyea 2004-4-2 27444 Riverside Peninsular Range: Temescal Canyon, Serrano Highlands project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 305 Comment
  RSA76031  Pholistoma membranaceum F. W. Peirson 1919-4-13 981 Riverside Tahquitz Canyon stream, near Palm Springs. Comment
  SD229301  Phoradendron bolleanum Dick Schwenkmeyer, Bethany Jenkins 2012-3-7 627 Riverside Mt. San Jacinto 1085 Comment
  UC2015687  Phoradendron bolleanum A. C. Sanders 1995-4-13 16482 Riverside San Bernardino Mtns./Colorado Desert: Devil's Garden, E end of the mtns., 2.1 mi. W of Hwy 62 on Pierson Av. & dirt extension, 1.7 mi. above Sierra Bl. Comment
  POM46959  Phoradendron californicum Mary F. Spencer 1920-3-15 1504 Riverside Mecca; 197 feet below sea level -60 Comment
  RSA0108815  Phoradendron californicum Duncan S. Bell, Amanda Turek 2009-3-30 189 Riverside South end of the Arica Mountains; approximately 1.5 air miles southwest of Priest Well. 365 Comment
  RSA420768  Phoradendron californicum P. J. Remple 1942-3-1 s.n. Riverside Colorado Desert. Comment
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Nov 5 2011
  RSA598709  Phoradendron californicum R. S. Woglum 1935-4-5 620 Riverside Western Sonoran Desert, Palm Springs. Comment
  RSA651773  Phoradendron californicum Darrell Garrett 1949-6-2 s.n. Riverside 6 miles west of Palm Springs. 114 Comment
  RSA97439  Phoradendron californicum F. W. Peirson 1920-12-28 1719 Riverside Murray Canyon near Palm Springs 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
  RSA612203  Phoradendron densum N. Dunn, A. M. Martin 1932-3-26 s.n. Riverside Cottonwood Springs. Comment
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Sep 11 2011
  UCR165848  Phoradendron macrophyllum T. B. Salvato, John F. Green 2004-5-27 636 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  RSA615382  Phyla nodiflora A. C. Sanders, L. Ard 1994-7-11 15059 Riverside Cherry Valley, irrigated landscaping at the Edward-Dean Museum, Oak Glen Rd. 1 mi. N. of Orchard St. 1000 Comment
  CLARK-A1528-889  Physalis crassifolia 1947-2-1 Riverside Pinyon Crest Comment
  POM60071  Physalis crassifolia S. B. Parish 1912-10-23 8325 Riverside Foothill Chuckawalla Mts., near Mecca. Comment
  RSA314638  Physalis crassifolia Robert F. Thorne, F. R. Fosberg, Sachet, Herbst 1983-4-23 55451 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  RSA423825  Physalis crassifolia Francis Fultz 1929-1 17149 Riverside Colorado Desert. Comment
  RSA645636  Physalis crassifolia Scott D. White 1999-4-20 7273 Riverside Blythe Area: Southern foothills of the Big Maria Mts., northwest of Calif. Hwy. 95, ca. 7 road miles north of Interstate 10 / Intake Blvd. jtn. in Blythe. 91 Comment
  RSA678355  Physalis crassifolia Steve D. Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10472 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UCD126797  Physalis crassifolia P. C. Everett; E. K. Balls 1958-4-29 23022 Riverside U.S. Highway 60/70, Indio to Blythe, 1 mile west of Cactus City. 259 Comment
  UCR88301  Physalis crassifolia A. C. Sanders, K. C. Rose 1995-4-5 16364 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  VVC1339  Physalis crassifolia A. C. Sanders, J. Mac 1996-11-23 19652 Riverside San Bernardino Mtns., Whitewater Canyon, just below the fish hatchery 648 Comment
  CAS-BOT-BC60805  Physaria tenella H. M. Hall 1905-4-24 5882 Riverside Colorado Desert. Salvation Springs. Comment
  CAS-BOT-BC78470  Pinus contorta subsp. murrayana F. Grinnell Jr. 1908-7-1 s.n. Riverside Tahquitz Valley 2438 Comment
  MACF019470  Pinus coulteri Trudy R. Ericson 1974-11-9 264 Riverside St. 243 from Banning to Idyllwild at intersection with Vista Grande Road, San Bernardino National Forest 1554 Comment
  RSA658964  Pinus lambertiana Diane M. Ramirez 1983-5-15 33 Riverside Ca Hwy 243, 1/2 mi S of Junction with Poppet Flat Divide Truck trail. Comment
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Mar 27 2014
  UCSB74  Pinus lambertiana Haller, John 1950-5-20 Riverside San Jacinto Mtns., upper Strawberry Valley, parking area at foot of San Jacinto Peak trail 1767 Comment
  RSA741587  Pinus monophylla Scott D. White, Justin M. Wood 2008-6-17 12187 Riverside Morris Ranch Rd. - open area W of Goff Flat. 1616 Comment
  NY62441  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
  POM293251  Pinus quadrifolia Lyman Benson 1956-12-1 15705 Riverside Palms to Pines Highway at the lowest level of Coulter pines. Mt. Range San Jacinto. 1524 Comment
  UC1143327  Pinus quadrifolia W. C. Cumming October 1939 Riverside South end of San Jacinto Mountains; near type locality of P. quadrifolia Comment
  UC219283  Pinus quadrifolia Munz and Johnston 1922-5-20 5492 Riverside head Hemet Valley; San Jacinto Mts. 1524 Comment
  RSA725952  Pistacia atlantica Tom Chester 2006-3-9 869 Riverside Santa Ana Plateau Ecological Reserve: Los Santos Trail, next to tributary to Cole Creek, 0.25 miles (0.4 km) sw pf peak 2064 next to Tenaja Truck Trail. 591 Comment
  RSA717474  Plagiobothrys acanthocarpus A. C. Sanders, Kelly Volansky 2005-3-17 29201 Riverside Perris-Aguanga Basin Region: French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., ca. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  RSA0039460  Plagiobothrys canescens A. C. Sanders, Timothy W. Chumley 2013-4-1 40723 Riverside Hwy 74 at Collier, large vacant parcel at SE corner of intersection, NE edge of Lake Elsinore, between Riverside Dr. (Hwy 74) and Enterprise Way 385 Comment
  UCR172238  Plagiobothrys canescens 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
  UC218128  Plagiobothrys collinus P. A. Munz, and R. D. Harwood 1915-3 3378 Riverside 5 mi s Corona 304 Comment
  UCR114842  Plagiobothrys collinus var. californicus Mitch Provance 1998-2-17 71 Riverside Jurupa Mountains, Slopes on the W side of Sierra Blvd, c. 0.7 km NNW of the Jensen Quarry 396 Comment
  UCR25973  Plagiobothrys collinus var. californicus John C. Roos 1952-2-29 5368 Riverside Reche Canyon 457 Comment
  RSA80199  Plagiobothrys collinus var. ursinus F. W. Peirson 1922-5-19 3041 Riverside Hemet Valley, San Jacinto Mountains. 1341 Comment
  SD255121  Plagiobothrys jonesii Duncan S. Bell, Amanda Turek 2010-4-9 759 Riverside East side of the Arica Mountains, near the center of the range; approx. 1.75 air mile west of Priest Well. 438 Comment
  RSA601784  Plagiobothrys leptocladus D. Bramlet 1997-3-13 2492 Riverside Nichols Road Wetlands, the site is located 275m SE of Nichols road, 91m W of Collier Ave, 305m W of I15., The locality is E of the existing dirt road extending S from Nichols Road and adjacent to Alberhill Creek. Comment
  UCR121203  Plagiobothrys nothofulvus D. E. Bramlet 1990-4-26 1974 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
  UCR136274  Plagiobothrys nothofulvus A. C. Sanders 2004-4-20 27561 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
  UCR138888  Plagiobothrys tenellus D. L. Banks 1997-4-5 1695 Riverside Agua Tibia Mtns., NW Palomar Mtns: Agua Tibia Wilderness Area. south of Dorland Mountain, just east of the Wilderness Area boundary with the Pechanga Indian Reservation, along a tributary of the N fork of Pechanga Creek 762 Comment
  RSA336209  Plantago bigelovii subsp. californica Robert F. Thorne, M. Z. Thorne, W. Wisura 1978-5-21 51985 Riverside Santa Rosa Plateau, Mesa de Colorado, vernal pools and marshes. 610 Comment
  UCR280604  Plantago elongata R. E. Riefner Jr. 2017-4-2 17- 144 Riverside city of Hemet, west Hemet, south of west Florida Ave. (SR74), southwest c. 0.35 mi from Lyn Ave. and California Ave. 482 Comment
  SBBG104035  Plantago erecta A. C. Sanders 1993-4-1 13663 Riverside western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St and Devonshire Ave, 0.75 mi NE of the intersection of Florida Ave (Hwy 74) and Warren Rd 460 Comment
  UC888365  Plantago erecta I. W. Clokey and B. C. Templeton 1930-4-9 467 Riverside n of Banning 1100 Comment
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Mar 13 2011
  UCR139179  Plantago erecta Virginia Moran 2003-4-2 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
  CLARK-A1528-3429  Plantago insularis John C. Roos 1966-3-20 Riverside Comment
  UC124605  Plantago lanceolata Geo. R. Hall 1908-1 8485 Riverside Riverside Comment
  RSA650897  Plantago lanceolata Charles Slattery 1948-5-6 s.n. Riverside Found 1 mile south of Corona along Main Street. 238 Comment
  UCR95259  Plantago ovata D. L. Banks, V. W. Steinmann 1996-4-20 0906 Riverside Agua Tibia Mtns, NW Palomar Mtns; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California- Emerson Oaks Reserve 451 Comment
  RSA278979  Plantago ovata var. fastigiata Barry A. Prigge, L. Martinez 1978-3-23 2425 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  RSA0120328  Plantago patagonica Duncan S. Bell, Thomas Stoughton 2016-4-14 9290 Riverside Santa Rosa Mountains; near the head of Deep Creek and near the trailhead of the Cactus Spring Trail, at an old mining area above this trail. 1219 Comment
  SEINET1109636  Plantago patagonica A. C. Sanders, J. C. Dice, K. C. Rose, D. Woodard 1995-1 16240 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. 335 Comment
  UCR24901  Platanthera dilatata var. leucostachys A. C. Sanders 1980-7-22 1716 Riverside Peninsular Range; San Jacinto Mtns., Drainage of the N fork of the San Jacinto River, along Forest Service Road 4S02, c. 0.1 mi south of Dark Canyon campground and c. 2.5 - 3 mi north of Pine Cove 1768 Comment
  JEPS40287  Platanus racemosa W. L. Jepson 1901-6-2 14871 Riverside Santa Ana River bottom Comment
  UC527405  Platanus racemosa Carl B. Wolf 1932-5-24 3647 Riverside 1/2 mi below fish hatchery (n base of mt.); San Jacinto Mt., Snow Creek Canyon 548 Comment
  UCR270186  Platanus racemosa A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42409 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site 488 Comment
  CAS-BOT-BC91881  Platystemon californicus Greata 1906-5-1 477 Riverside Redlands. Comment
  POM305827  Platystemon californicus Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1077 Riverside Corona-Elsinore. Comment
  RSA516884  Platystemon californicus Steve Boyd 1986-3-1 1369 Riverside Gavilan Hills, Gavilan Plateau: 1/4 mile south of Harford Springs County Park 640 Comment
  UC64138  Platystemon californicus H. M. Hall May 1897 543 Riverside Thomas Valley; San Jacinto Mountains, Thomas Valley Comment
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Nov 30 2013
  JOTR32119  Pleuraphis rigida La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2277 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
  RSA129652  Pleuraphis rigida H. S. Yates 1937-3-23 6424 Riverside 5 miles NW of Edon 49 Comment
  RSA747835  Pleuraphis rigida Scott D. White, Justin M. Wood 2009-4-28 12598 Riverside City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  CAS-BOT-BC326636  Pleurocoronis pluriseta D. A. Johansen; J. A. Ewan 1932-4-12 7107 Riverside Devils Canyon above Coachella Valley, Colorado Desert Comment
  RSA472096  Pleurocoronis pluriseta M. B. Dunkle 1933-5-6 3431 Riverside Canyon N of Catherdral Canyon Comment
  UCR51951  Pleurocoronis pluriseta Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2216 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  CAS-BOT-BC326533  Pluchea sericea Roxana S. Ferris 1918-6-19 1007 Riverside Colorado River bottoms at Blythe Comment
  CAS-BOT-BC326542  Pluchea sericea Alice Eastwood 1913-4-30 3103 Riverside Palm Springs Comment
  JEPS40438  Pluchea sericea W. L. Jepson 1901-5-19 1273 Riverside San Jacinto River Southern California, San Jacinto River Comment
  JOTR37488  Pluchea sericea Hodges, Stephen R., M. Vamstad 2016-3-22 617 Riverside Joshua Tree National Park. Eagle Mountains, South of Eagle Mine, Buzzard Springs Comment
  POM157892  Pluchea sericea P. A. Munz 1927-5-21 10890 Riverside Coachuila Creek, SE of Hemet. 671 Comment
  RSA342539  Pluchea sericea R. F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54092 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 Comment
  SEINET3104756  Pluchea sericea Faulkner 1978-3-21 345 Riverside 9 mi N of Blythe, Hwy 95. 152 Comment
  RSA645531  Poa annua Scott D. White 1993-3-12 1139 Riverside San Jacinto Valley: Perris Valley Pipeline. 439 Comment
  RSA91517  Poa secunda F. W. Peirson 1919-4-12 1551 Riverside Tahquitz canyon near Palm Springs. Comment
  UCR155082  Polygonum argyrocoleon A. C. Sanders, Kelly Volansky 2005-3-17 29243 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  CLARK-A1528-759  Polygonum aviculare Roberta H. Smith 1969-5-6 33 Riverside Riverside 152 Comment
  UCR277727  Polygonum lapathifolium Mitch Provance 2012-10-15 1012- 03 Riverside Badlands of Western Riverside County, San Timoteo Creek, about 3.5 miles west of Beaumont, N side of Hwy. 60 1479 Comment
  CLARK-A1528-4841  Polypogon monspeliensis John C. Roos 1952-4-23 5576 Riverside Box Springs Mountain 457 Comment
  UCR82908  Polypogon monspeliensis A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15794 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  RSA588816  Polypogon monspeliensis D. L. Banks, Steve Boyd 1995-10-17 768 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. 512 Comment
  CAS-BOT-BC102602  Populus fremontii Alice Eastwood 1919-3-15 7989 Riverside Indio Comment
  HSC6072  Porophyllum gracile C. L. Hitchcock 1966-3-21 24330 Riverside In Mule Mts.; 20 mi. SW of Blythe Comment
  RSA796473  Porophyllum gracile Duncan S. Bell 2009-4-18 207 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  SD231232  Porophyllum gracile Scott D. White 2001-3-13 8158 Riverside Perris / Elsinore Basins: Minifee / Sun City area. Valleys and slopes east of Canyon Lake and west of Goetz Road. 441 Comment
  UC420632  Portulaca oleracea F. M. Reed 1905-9-25 Riverside Riverside Comment
  UCR59181  Portulaca oleracea George K. Helmkamp 1989-9-16 s.n. Riverside Sonoran (Colorado) Desert, S of Ripley at 32nd Street and Rannells Blvd 75 Comment
  RSA234098  Potamogeton foliosus Robert F. Thorne, E. W. Lathrop 1969-6-6 39343 Riverside Santa Rosa Plateau: Rancho California 610 Comment
  RSA740930  Potamogeton foliosus var. foliosus Scott D. White, Justin M. Wood 2008-7-9 12433 Riverside K Flat, from large pond downstream to meadow. 1427 Comment
  UCR9250  Potentilla gracilis D. H. Wilken 1965-6-29 386 Riverside San Jacinto Mtns, W end of Hemet Valley (Garner Valley), near Lake Hemet 1372 Comment
  SD232323  Potentilla gracilis var. fastigiata Scott D. White, Justin M. Wood 2008-6-19 12280 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. Mesic meadow and adjacent uplands. 1584 Comment
  UCR101521  Proboscidea althaeifolia Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10062 Riverside Colorado/Mojave Desert, Little Maria Mountains, bajada at SW end of Rice Valley along Midland Road, just north of pass between Little and Big Maria Mountains. 274 Comment
  UC1522675  Proboscidea louisianica subsp. louisianica Steve Boyd 1984-9-20 Riverside along Cajalco Rd. 4 1/2 mi nw Perris (0.2 mi e of its intersection with Clark St. (Old Elsinore Rd.)); Mead Valley Comment
  CSUSB1139  Prosopis glandulosa K. A. Lamb 1968-4-21 680421 2 Riverside 1 mile east of Mecca, Highway 195. Roadside, Alkali Sink. Comment
  POM348731  Prosopis glandulosa var. torreyana N. C. Cooper 1942-4-17 576 Riverside Palm Springs. Comment
  UCR16199  Prosopis glandulosa var. torreyana M. Quinlan 1974-4-18 s.n. Riverside Western Colorado Desert/ San Jacinto Mtns, Agua Caliente Indian Reservation, c. 4 mi. outside Palm Springs, in Andreas Canyon 305 Comment
  UC1280978  Prosopis pubescens H. E. McMinn 1937-3-6 5008 Riverside 1 mi e Blythe Comment
  POM296501  Prunus fasciculata Lyman D. Benson 1945-3-29 11631 Riverside Canyon on Palm Spring Rd. Colorado Desert Drainage Area. 671 Comment
  RSA220993  Prunus ilicifolia E. W. Lathrop 1966-4-18 6189 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive. Comment
  LA208104  Prunus ilicifolia subsp. ilicifolia W. E. Pequegnat; 1939-4-8 32 Riverside Santa Ana Mountains Comment
  CAS-BOT-BC356348  Psathyrotes ramosissima N. Aitkenhead 1977-2-1 2210 Riverside 2 mi & 6 mi W. of T/L and 1000 Palms Canyon Rd. Junction Comment
  HSC66537  Psathyrotes ramosissima Christopher Davidson 1979-4-4 7681 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi. E of Mecca. 213 Comment
  OBI35673  Psathyrotes ramosissima Louis B. Ziegler 1977-4-12 561 Riverside Near Desert Hot Springs 381 Comment
  UC963832  Psathyrotes ramosissima Helen K. Sharsmith 1952-4-11 4063 Riverside 7 mi s Highway 60-70 (nw base of Chuckawalla Mountain); Colorado Desert, Chuckawalla Mountains 533 Comment
  RSA94085  Psathyrotes ramosissima F. W. Peirson 1927-4-12 7165 Riverside Forks of Painted Canyon, near Mecca Comment
  RSA0104486  Pseudognaphalium Duncan S. Bell 2015-9-30 8669 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  POM358758  Pseudognaphalium biolettii Elbert Benjamine 1929-2-17 26 Riverside Mt. Roubidoux, Riverside Comment
  UCR22030  Pseudognaphalium biolettii Steve Boyd 1980-5-3 196 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  UC1605405  Pseudognaphalium leucocephalum Steve Boyd 1994-10-14 8385 Riverside San Mateo Canyon at confluence with Bluewater Canyon (canyon bottom); Southern Santa Ana Mountains, Cleveland N.F. 329 Comment
  UCR281574  Pseudognaphalium leucocephalum Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-6-5 617- 81 Riverside Temescal Valley, Mayhew Wash, S side of Temescal Canyon Rd. at intersection with Temescal Hills Rd. 309 Comment
  JOTR30281  Pseudognaphalium luteoalbum La Doux, Tasha, Alice Miller 2007-5-31 1777 Riverside Joshua Tree National Park. Stop 2: Cottonwood Springs/Oasis; in wet soil at oasis. 893 Comment
  CAS-BOT-BC357571  Pseudognaphalium stramineum Faulkner 1978-4-27 499 Riverside 3 miles East of Blythe, shores and flood plains of Colorado River 137 Comment
  IRVC2821  Pseudotsuga macrocarpa R. H. Whittaker, W. A. Niering 1963-5-27 SJ 6 Riverside Hemet Hwy, between Hemet and Mtn Center. Peninsular Ranges, San Jacinto Mountains 1250 Comment
  RSA660501  Psilocarphus brevissimus A. C. Sanders, K. C. Rose 1998-5-21 21855 Riverside Hemet: alkaline flats west of town, E of the canal, S of Hwy 74 (Florida) and ca. 1/4 mi. W of Warren Rd. 457 Comment
  UCR85576  Psilocarphus brevissimus var. brevissimus Julie A. Greene 1993-5-12 1314 Riverside Perris-Aguanga Basin region, South of gated West-East road, east of Davis Rd. 433 Comment
  SBBG87900  Psorothamnus arborescens R. F. Thorne, W. A. Tilforth 1980-5-28 54213 Riverside branch ravine running W from Whitewater Cyn, W of rd, ca. 3.2 mi N of Interstate 10 and Whitewater P.O. 609 Comment
  SEINET2063865 Image available Psorothamnus arborescens Richard G. Sullivan 1972-4-20 7204205 Riverside Whitewater River, 1.5 miles N of Interstate 10. 637 Comment
  UCSB3040  Psorothamnus arborescens Long, Frances 1939-12-31 Riverside -5 Palm Springs, Calif. Comment
  RSA678223  Psorothamnus arborescens var. simplicifolius Valerie L. Soza, J. Mark Porter, Gary D. Wallace 2001-4-2 1092 Riverside Mouth of Little Morongo Canyon, , NE of junction of Augusta Avenue and Little Morongo Drive, NW Desert Hot Springs. 412 Comment
  SD193049  Psorothamnus arborescens var. simplicifolius Scott D. White, Angelia Carey 2004-6-4 10479 A Riverside San Jacinto Mountain foothills: San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence. 502 Comment
  UC1329931  Psorothamnus arborescens var. simplicifolius James E. Cole 1941-5-21 750 Riverside Cottonwood Spring Wash; Joshua Tree National Monument 914 Comment
  UC1929658  Psorothamnus arborescens var. simplicifolius V. Soza, J. M. Porter, G. D. Wallace 2001-4-2 1092 Riverside Transverse Ranges, Little San Bernardino Mountains region; Mouth of Little Morongo Canyon, NE of junction of Augusta Avenue and Little Morongo Drive, NW Desert Hot Springs. 412 Comment
  UCR170128  Psorothamnus arborescens var. simplicifolius Jeffrey Ross, Sam Lau, Jenny Phui 1998-5-30 95 Riverside San Gorgonio Pass, Morongo Indian Reservation; Road between Millard and Lion Canyon (Deep Canyon Road?), below Deep Canyon 619 Comment
  CAS-BOT-BC340896  Psorothamnus schottii Carl B. Wolf 1932-4-27 3057 Riverside Colorado Desert. 5 mi. E. of Desert Center. No. base of Chuckwalla Mts. 152 Comment
  GMDRC5486  Psorothamnus schottii J. Andre 2012-4-11 20847 Riverside Orocopia Mountains: north end of range, along dirt road 2.8 mi. due south of I-10 at Box Canyon Rd/Cottonwood Rd Exit 624 Comment
  POM6746  Psorothamnus schottii Philip A. Munz 1919-5-7 2749 Riverside Palm Springs. 183 Comment
  RSA1421  Psorothamnus schottii B. D. Stark 1930-5-25 850 Riverside Chuckawalla Valley, Colorado Desert Comment
  SBBG68033  Psorothamnus spinosus M. Van Rensselaer 1945-11-18 1919 Riverside S of Cathedral City Comment
  RSA91439  Psorothamnus spinosus F. W. Peirson 1921-4-13 568 Riverside Deep Canyon Wash, about 12 miles SE of Palm Springs. 152 Comment
  SD245884  Pteridium aquilinum var. pubescens Dick Schwenkmeyer 2012-6-27 749 Riverside Strawberry Creek, 1/4 mile northwest of Humber Park, Idyllwild. 1914 Comment
  UCR226055  Pterostegia drymarioides A. C. Sanders, Nathan Moorhatch 2011-3-22 38772 Riverside Peninsular Range, powerline corridor through hills 6.4 km SW of Perris, east of Hwy 74 and south of Ethanac Rd. 506 Comment
  UCR14545  Pulicaria paludosa O. F. Clarke 1974-11-14 s.n. Riverside Riverside, Santa Ana Riverbottom Park Comment
  RSA0081612  Pyrola aphylla P. A. Munz 1938-8-14 15370 Riverside Ridge east of Toro Peak, Santa Rosa Mts. 2378 Comment
  UC21716  Pyrola picta H. M. Hall Jun 1901 Riverside in Canyons of the west side; dark Canyon Comment
  POM48871  Quercus X morehus P. A. Munz, I. M. Johnston 1924-7-26 8706 Riverside Head of grade, 8 miles SE of Banning. 1372 Comment
  RSA0003691  Quercus X munzii J. M. Tucker, D. Q. Cavagnaro 1965-10-2 3886 Riverside Joshua Tree National Monument, in wash at Live Oak Tank Comment
  CAS-BOT-BC61822  Quercus agrifolia Samuel B. Parish 1891-11-4 2276 Riverside Rocky Hills, head of Temecula Canon Comment
  RSA596183  Quercus agrifolia var. agrifolia D. L. Banks 1996-11-7 1209 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; At the end of the main road in the Reservation, 0.5 km W of the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 427 Comment
  RSA748812  Quercus agrifolia var. agrifolia G. Gust, L. Nye 2005-3-11 552 Riverside Cleveland National Forest. Just off of Hwy 74 opposite El Cariso Campground on washed out forest road. 762 Comment
  UCR250923  Quercus berberidifolia Jeremiah George 2012-8-7 70812- 3 Riverside Beaumont, Western Knolls, north central slope of eastern half of bench between Hwy 60 and Oak Valley Parkway, east of Potrero Blvd. 747 Comment
  CAS-BOT-BC62443  Quercus chrysolepis E. A. McGregor 1941-6-12 26 Riverside Santa Rosa Mt. Comment
  CHSC21926  Quercus chrysolepis L. A. Bellue; Robert A. Schlising 1970-11-7 2954 Riverside Morris Ranch Road, 3.3 miles N Highway 74. Comment
  UCD45547  Quercus chrysolepis E. W. Lathrop 1966-3-23 6112 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peakm Skyline Drive, Riverside Co. Elevation 4000'. 1219 Comment
  POM266353  Quercus cornelius-mulleri J. C. Roos 1942-5-1 1132 Riverside Morongo Canyon. Comment
  UCD14089  Quercus cornelius-mulleri Stephen K. Langer 1995-4-7 s.n. Riverside California, Riverside Co.; Pinyon Flats, Santa Rosa Mountains, Comment
  SEINET2066424 Image available Quercus dumosa David Charlton 1988-5-21 1914 Riverside Thomas Mtn.,Road, from N to S, W of Garner Valley and S of Lake Hemet on Hwy 74. 1676 Comment
  RSA597057  Quercus engelmannii D. L. Banks, Lauren Raz 1996-11-5 1160 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
  RSA39267  Quercus john-tuckeri P. A. Munz 1946-10-21 11592 Riverside Live Oak Tank, Joshua Tree National Monument. 1220 Comment
  CAS-BOT-BC105322  Quercus kelloggii Carl B. Wolf 1932-8-6 3992 Riverside San Jacinto Mts., Strawberry Valley, base of Dveil's Slide Trail to Tahquitz Valley 1706 Comment
  POM13705  Quercus palmeri P. A. Munz, I. M. Johnston 1922-5-21 5513 Riverside Head of Hemet Valley, along edges of valley from Kenworthy 1524 Comment
  UC1135774  Quercus palmeri A. E. Wieslander 1938-5-5 735 Riverside Van Deventer Flat Thermal Quad. 1493 Comment
  UCD47359  Quercus turbinella Rudolph Fischer 1965-10-8 1 Riverside East foothills of Thomas Mountain, Santa Rosa range, State Highway 74, ca. 10 miles south of Keen Camp, Riverside County, California. 1341 Comment
  RSA741216  Quercus wislizeni Scott D. White, Justin M. Wood 2008-6-16 12110 Riverside San Jacinto Mountains: Fobes Canyon, +/- 1 mile up Fobes Ranch Road from Fobes Spring. 1540 Comment
  JOTR30639  Rafinesquia californica La Doux, Tasha, Erin Babich 2008-4-21 1801 Riverside Joshua Tree National Park. Stop 3-Little San Bernardino Mountains, S of Covington Flat 1290 Comment
  JOTR34188  Rafinesquia californica La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2982 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  RSA0120465  Rafinesquia californica Duncan S. Bell 2016-4-16 9305 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  UCR139024  Rafinesquia californica D. L. Banks 1997-4-5 1694 Riverside Agua Tibia Mtns., NW Palomar Mtns: Pechanga Indian Reservation. south of Dorland Mountain, just west of the Wilderness Area Boundary, along a tributary of the N fork of Pechanga Creek 640 Comment
  UCR180107  Rafinesquia californica Mitch Provance 2003-4-26 9899 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
  POM6732  Rafinesquia neomexicana P. A. Munz, L. T. Street, Williams 1919-3-28 s.n. Riverside San Gorgonio Pass, Cabazon 543 Comment
  UC566695  Rafinesquia neomexicana Margaret Stason 1927-3-12 Riverside Colorado Desert, Painted Canyon Comment
  UCR196359  Rafinesquia neomexicana Naomi Fraga, Lisa Rojas 2005-2-10 1409 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 502 Comment
  UCR4105  Rafinesquia neomexicana Ronald M. Cope 1965-3-13 s.n. Riverside Western Colorado Desert/ San Bernardino Mtns., small canyon on west side of Whitewater Canyon Road about 2 mi from trout hatchery 549 Comment
  RSA95061  Rafinesquia neomexicana F. W. Peirson 1920-2-16 2762 Riverside Garden of Eden at Palm Springs Comment
  UC1931199  Ranunculus aquatilis Scott D. White, Justin Wood 2008-7-9 12442 Riverside San Jacinto Mountains: K Flat, from large pond downstream to meadow. Comment
  RSA0054954  Rhamnus californica Keith E. Hoffmaster 1934-4-8 149 Riverside Santa Ana mts. [Orange or Riverside]. Comment
  UCR138608  Rhamnus ilicifolia D. L. Banks 1996-11-7 1195 Riverside Agua Tibia Mountains, NW Palomar Mountains: Pechanga Indian Reservation, east of San Gabriel Church. At the end of the main road in the Reservation, at the spring on the N fork of Pechanga Creek at the E end of the Reservation 494 Comment
  UCR159264  Rhamnus ilicifolia A. C. Sanders, Kelly Volansky 2005-8-31 31577 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  UCR106345  Rhamnus tomentella John Wear, N. Moorhatch 1996-9-20 s.n. Riverside San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  RSA674923  Rhamnus tomentella subsp. cuspidata Scott D. White, Pam De Vries 2000-4-25 7731 Riverside Temescal Valley: Corona area, eastern foothills of Santa Ana Mountains just above citrus groves. 412 Comment
  UC18580  Rhamnus tomentella subsp. cuspidata H. M. Hall 1901-6 2763 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1584 Comment
  UC218263  Rhamnus tomentella subsp. cuspidata P. A. Munz 1922-6-25 5817 Riverside between Vandeventer and Santa Rosa; Santa Rosa Mts. 1524 Comment
  UC2030136  Rhaponticum repens Scott D. White 7770 Riverside CITY OF MURRIETA: Vacant lot on N corner at intersection of Jefferson Av. and Murrieta Hot Springs Rd. Comment
  RSA471017  Rhododendron occidentale B. C. Templeton 1953-7-26 s.n. Riverside Idyllwild. 1646 Comment
  UCR19136  Rhus aromatica John C. Roos 1948-5-15 3831 Riverside Sonoran (Colorado) Desert, Eagle Mountains, upper Lost Palms Canyon 1037 Comment
  RSA613899  Rhus ovata A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19859 Riverside Lake Skinner area: lower Rawson Canyon, along road NE of Skinner Lake. 457 Comment
  RSA736736  Rhus ovata Scott D. White, Angelia Carey, Linda Archer 2004-8-5 10684 Riverside Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  RSA11581  Rhus trilobata var. anisophylla N. Dunn, A. M. Martin s.n. Riverside Cottonwood Springs. Comment
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Sep 11 2011
  RSA263745  Ribes amarum E. W. Lathrop 1968-5-22 6911 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
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Sep 15 2010
  UC1127367  Ribes amarum A. Lewis Mar 1934 351 Riverside Sugarloaf Peak Cleveland <National Forest>, Corona Quadrangle Comment
  POM161525  Ribes cereum Ralph Hoffmann 1929-9-6 s.n. Riverside San Jacinto Mountains 2591 Comment
  CDA25536  Ribes indecorum B. Kobaly 1964-8-12 Riverside Idyllwild, San Jacinto Mountains. 0 Comment
  SBBG100243  Ribes malvaceum W. L. Halvorson 1977-4-1 77 -219 Riverside 5 mi S of Temecula on Hwy S16 Comment
  RSA60417  Ribes roezlii Frank W. Gould 1943-4-18 2137 Riverside 12 miles E [NW] of Idyllwild Comment
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Sep 29 2011
  UCSB37899  Ribes roezlii Sanders, A. 1980-7-18 Riverside Thomas Mountain; Thomas Mtn. campground to the summit at the lookout; T 6S, R 3E, W1/2 sec. 28 2072 Comment
  CHSC95394  Rigiopappus leptocladus C. Spurrier; Way, M. J. 2001-6-13 2 Riverside Riverside County. Big Morongo Canyon Preserve. Wash, 1.3 km north of Indian Avenue, just east of Highway 62. 525 Comment
  JEPS51544  Romneya coulteri S. B. Parish 1897-5-29 4394 Riverside Temescal; Southern California, Temescal 396 Comment
  RSA722426  Romneya coulteri Pomeroy 1929-5-11 s.n. Riverside Glenn Ivy Comment
  RSA561110  Rosa californica Steve D. Boyd, Tim S. Ross, Dave Bramlet 1993-5-12 7323 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon, 365 Comment
  LA208231  Rubus parviflorus C. Epling; William Robison 1935-6-30 Riverside San Jacinto Mountains, Above Marion Camp Comment
  PASA1195  Rubus parviflorus Sally Ellis 1939-6-24 Riverside Halona Comment
  UC12971  Rubus parviflorus Harley P. Chandler 1897-7-23 Riverside Deep Creek San Bernardino Mts., Deep Creek 1524 Comment
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Nov 26 2011
  RSA0030906  Rubus parviflorus var. hypomalacus Norman C. Cooper 1944-6-17 2008 Riverside San Jacinto Mtns., above Banning. 1219 Comment
  RSA0049527  Rumex californicus John Roos 1952-5-26 5719 Riverside Haas' Ranch, Reche Canyon. 457 Comment
  RSA757443  Rumex crispus Robert F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55222 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road. 730 Comment
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Oct 27 2011
  SEINET238575  Rumex crispus Mitch Provance, A. C. Sanders 2000-6-4 2084 Riverside Riverside: Santa Ana River Wash between the Market St. and Riverside Ave crossings. 244 Comment
  RSA221061  Rumex crispus E. W. Lathrop 1966-5-8 6412 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  JEPS3048  Rumex salicifolius var. denticulatus Carl V. Meyer 1928-7-30 586 Riverside San Jacinto Mts., Saunder's Meadow Comment
  UCR89792  Rumex salicifolius var. denticulatus Scott D. White 1993-5-27 1412 Riverside North Alberhill Ranch, hills north of Walker Canyon 488 Comment
  UC494397  Salazaria mexicana C. L. Hitchcock 1932-4-7 12204 Riverside Corn Springs; eastern Riverside County Comment
  UC63797  Salazaria mexicana H. M. Hall May 17 1901-Jun 1 1901 1843 Riverside e base San Jacinto Mt.; east base of San Jacinto Mt. 457 Comment
  UC7469  Salicornia subterminalis H. M. Hall 1899-6-2 Riverside near Perris (along San Jacinto River); San Jacinto River Comment
  UCR211718  Salicornia subterminalis Fred M. Roberts, D. E. Bramlet 2005-6-8 6249 Riverside Perris Basin, San Jacinto Valley, Upper Salt Creek drainage, north of Stetson and west of MWD canal, 1.6 km west of Ryan Airfield 454 Comment
  SEINET10538623  Salix amygdaloides Billy Joe Cox 1975-4-23 Cox 4164 Riverside Palo verde, 1-3 km w (ca 32 mi s of blythe); creosote desert scrub; sandy and Gravelly entisols; riverside and imperial co. 95 Comment
  RSA181987  Salix exigua W. L. Jepson 1928-4-25 12569 Riverside Cottonwood Springs, Eagle Mountains. 732 Comment
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Oct 23 2011
  RSA556484  Salix exigua Julie Greene 1993-3-13 1044 Riverside North of the eastern pond. 441 Comment
  RSA689522  Salix exigua Scott D. White, Brian Leatherman 2002-6-10 8781 Riverside Whitewater river canyon, ca. 1 mi below trout farm 628 Comment
  SJSU258  Salix exigua Mrs. H. P. Bracelin 1932-4-12 602 Riverside E side of bridge over Santa Ana R, 4.8 km N of Arlington on rd to Pedley, W of Riverside 240 Comment
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Mar 26 2011
  UCR16417  Salix exigua Rodney Hendrick 1965-3-14 s.n. Riverside Sonoran (Colorado) Desert, Thousand Palms Oasis 183 Comment
  SBBG58926  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-12 599 Riverside E side of bridge over Santa Ana River, 4.8 km N of Arlington on rd to Pedley, W of Riverside 240 Comment
  CAS-BOT-BC108110  Salix gooddingii Carl W. Sharsmith 1932-3-20 14 Riverside Foot of east slope of Santa Rosa Mts., in Diablo Canyon, 3 m. above its mouth, near Clary's Coral Reef Ranch, Colorado Desert Comment
  POM178784  Salix gooddingii Marcus E. Jones 1930-4-2 26030 Riverside Blythe. Comment
  RSA715051  Salix gooddingii A. C. Sanders, T. B. Salvato 2003-5-21 26785 Riverside Elsinore Valley: Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  UCR6138  Salix gooddingii A. Belding 1967-5-12 s.n. Riverside Boy Scouts America Camp Evans, at the end of Indian Hill Road. Santa Ana River Flood Plain west of the City of Riverside Comment
  UCR140701  Salix laevigata A. C. Sanders 2004-5-12 27867 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  CAS-BOT-BC128444  Salix lasiolepis var. lasiolepis Marian L. Campbell 1921-3-19 38 Riverside Banning Comment
  CAS-BOT-BC126316  Salix sessilifolia Mrs. H. P. Bracelin 1932-4-12 602 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside 240 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
  RSA289821  Salsola paulsenii B. A. Prigge 1980-9-16 4304 Riverside Coachella Valley Stormwater Channel; east of Point Happy at Washington St. x channel 21 Comment
  SDSU13633  Salsola tragus W. Miller with C. Mosse 1972-7-12 Riverside Northwest corner, west of woodland (west of R.C. Weather Station). Comment
  RSA525435  Saltugilia australis Steve Boyd, D. E. Bramlet 1990-4-29 4480 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  UC23640  Saltugilia australis A. J. McClatchie April 1892 38 Riverside near Elsinore; near Elsinore Comment
  JOTR29088  Salvia columbariae La Doux, Tasha 2005-3-30 1205 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  RSA401486A  Salvia columbariae N. R. Zabriskie, Walter Zabriskie 1973-4-25 655 Riverside On slopes east of Hwy 74 opposite Black Hill; Deep Canyon drainage area, N slope Santa Rosa Mts. 915 Comment
  RSA774716  Salvia columbariae Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4520 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  SD234435  Salvia columbariae Wayne Law, Jun Hu 2000-5-16 18 Riverside Peninsular Ranges; Santa Ana Mtns.: Eastern edge of Cleveland National Forest, above Temescal Valley in Indian Canyon, 11.8 mi S of Corona (Aberhill 7.5' Q) 395 Comment
  SEINET241493  Salvia columbariae A. C. Sanders, Mitch Provance; T. B. Salvato 2001-4-6 23922 Riverside Western Colorado Desert: Coachella Valley, Desert Hot Springs, N of intersxn of Pierson Blvd & Atlantic, N of flood ditc 347 Comment
  UCR174371  Salvia columbariae A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32657 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
  UCR251671  Salvia columbariae Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 768 Riverside Sonoran (Colorado) Desert, Mecca Hills, Shaver's Well, adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  RSA0045242  Salvia columbariae W. Marquart 1938-3-12 s.n. Riverside Ten mi. west of Desert Center. Comment
  LA86110  Salvia eremostachya W. A. Jr. Emboden; 1962-5-20 2062 Riverside Pinion Flats, Palms to Pines Highway Comment
  JEPS16866  Salvia greatae Marjorie D. Clary 1938-4-17 2844 Riverside n of Salton Sea (bajada at base of Orocopia Mts); Orocopia Mts. 243 Comment
  CHSC89882  Salvia mellifera L. P. Janeway 2004-5-8 8077 Riverside Peninsular Ranges. Santa Ana Mountains, Los Alamos Canyon; along Wildomar Road 0.8 km east of its crossing of Los Alamos Creek. 488 Comment
  RSA552756  Salvia mellifera Steve Boyd, T. S. Ross, Orlando Mistretta 1992-3-31 6742 Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 670 Comment
  SEINET12872696  Salvia mellifera A. Sanders, Crain, J. 2015-4-3 41557 Riverside Santa Ana Mountains Comment
  UCR90981  Salvia mellifera Scott D. White 1996-3-16 3823 Riverside Perris Basin, Lakeview Mtns, north of Winchester, at 'Maze Stone' Picnic Site 610 Comment
  UCR143464  Salvia mohavensis Carl Epling, Wm. Robison 1933-6-26 s.n. Riverside Southern Mojave Desert, Little San Bernardino Mtns., Key's View 1524 Comment
  RSA219218  Salvia pachyphylla subsp. pachyphylla C. W. Tilforth, John Dourley 1970-9-2 297 Riverside Exposed slopes at higher elevations along road to Santa Rosa Mtn. Comment
  UC883998  Salvia vaseyi P. A. Munz and I. M. Johnston 1922-5-7 5285 Riverside Mouth of Dry Morongo Wash; Colorado Desert 365 Comment
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Sep 26 2011
  UCLA69741  Salvia vaseyi C. Epling and L. Haines 1937-5-7 Riverside 0.6 mi below Shumway Road (Palms-to-Pines Highway) Comment
  RSA33583  Sambucus mexicana N. C. Cooper 1944-5-19 1289 Riverside Banning. 701 Comment
  RSA771747  Sambucus mexicana Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4766 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65125 604 Comment
  SEINET8753384 Image available Sambucus mexicana Norman C. Cooper 1944-1 1289 Riverside Banning 701 Comment
  UC455863  Sambucus mexicana I. J. Condit 1910-6-24 Riverside along lower slope by San Jac. River; San Jacinto Mts. Comment
  JOTR16653  Sambucus nigra subsp. caerulea Leary, Pat 1975-5-25 1232 Riverside Joshua Tree National Park. 1/2 MILE SOUTHWEST OF HIDDEN VALLEY Comment
  UC877781  Samolus parviflorus Crawford and Johnston 1917-6-9 1231 Riverside near Corona (Santa Ana River); Southern California, Santa Ana River Comment
  RSA612699  Sanicula arguta D. L. Banks 1997-3-29 1599 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border., West of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  RSA359603  Sanicula bipinnatifida Steve Boyd 1986-3-9 1397 Riverside Temescal Canyon: Terrace escarpments between Indian Truck Trail and Horsethief Wash. 367 Comment
  RSA100183  Sanvitalia procumbens J. C. Roos, Lucille Roos 1954-7-26 6204 Riverside In unused corner of dry garden, 6th Street near Pepper. In E. C. Jaeger's yard? 274 Comment
  LA202891  Sarcostemma hirtellum Carl Epling; William Robison 1933-6-27 sn Riverside Little San Bernardino Mountains, 5 mi. S of Gold Coin Mine Comment
  UCR189554  Satureja chandleri Andrea Salzman 2006-5-3 091 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, c. 0.3 mi northeast of Mesa de Burro's northern edge, specimen found on north side of Miller Canyon 306 Comment
  SEINET6810039  Schinus molle John Thieret, Brandenburg, David 1982-6-5 53095 Riverside Rancho Mirage; Rancho Mirage Comment
  UCR167428  Schismus arabicus John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, WNW of Rancho Dos Palmas between Coachella Canal siphons 29 and 30 24 Comment
  CHSC35471  Schismus barbatus James Henrickson 1973-3-18 8590 Riverside 16 (air) miles E of Temecula, 2.9 miles E of Aguanga along Hwy 71. 822 Comment
  RSA682166  Schismus barbatus Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10474 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  RSA795947  Schismus barbatus Duncan S. Bell 2009-4-19 270 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  SEINET229294 Image available Schismus barbatus L. M. Shultz, JS Shultz 1985-4-18 8321 Riverside Chuckawalla Mountains at Corn Springs 518 Comment
  SEINET7297410 Image available Schismus barbatus Isely, Bragonier 1960-1 7196 Riverside Desert Palms Comment
  RSA736655  Schoenoplectus americanus Justin M. Wood 2008-7-16 31 Riverside Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan property, Alberhill area. Comment
  RSA736791  Scrophularia californica Scott D. White, Angelia Carey 2004-7-2 10556 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  SEINET156173  Scutellaria angustifolia Norman C. Cooper 1944-7-16 1540 Riverside San Jacinto Mtn., Pine Cove. 1524 Comment
  LA55077  Scutellaria mexicana James Lauter; 1953-5-25 sn Riverside 11 mi. S of Indio-Palm Springs Highway on US Hwy 74 1219 Comment
  SEINET270116  Scutellaria tuberosa Steve Boyd, Tim Ross 1992-5-4 7187 Riverside San Mateo Canyon Wilderness Area ; Southern Santa Ana Mountains. Oak Flats area east of Verdugo Portero 732 Comment
  UCR207371  Searsia pendulina O. F. Clarke 2009-5-11 s.n. Riverside Riverside, UCR Campus, NW corner of upper reservoir 358 Comment
  POM14971  Selaginella bigelovii Mary F. Spencer 1921-5-28 1697 Riverside San Jacinto 609 Comment
  SEINET7073445  Selaginella bigelovii 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
  UCR113155  Selaginella bigelovii A. C. Sanders 1998-1-15 21648 Riverside Lake Skinner area, along old Rawson Rd. just north of Crown Valley, above Diamond Valley at waterline of proposed reservoir 518 Comment
  UCR89391  Selaginella bigelovii A. C. Sanders, O. F. Clarke, P. J. MacKay, S. D. White, C. L. Sanders 1994-11-27 15867 Riverside San Jacinto Mtns/Colorado Desert, Palm Canyon, from Hermit's Bench upstream to just beyond the confluence with East Fork 300 Comment
  UCR89861  Selaginella bigelovii Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3322 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  RSA0123355  Selaginella eremophila Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9049 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
  UCR103458  Senecio cineraria Dave Fleitner 1998-9-8 s.n. Riverside Corona, Orange grove on Gilbert Ave. southwest of Ontario Ave. 290 Comment
  SEINET3094739 Image available Senecio douglasii Norman C. Cooper 1943-9-26 926 Riverside Cabazon 549 Comment
  CAS-BOT-BC323993  Senecio flaccidus var. douglasii C. L. Hitchcock 1940-4-5 5964 Riverside 3 mi. below Cottonwood Springs. Comment
  UCR181153  Senecio flaccidus var. douglasii R. E. Riefner Jr. 2006-3-4 06- 46 Riverside Peninsular Range; San Jacinto Mtns, near Anza, c. 1.5 mi. west from Pine Meadow on Hwy 74 and 1.5 mi. NW from Hamilton Creek 1320 Comment
  UCR98682  Senecio flaccidus var. douglasii S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  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
  POM160081  Senecio mohavensis E. C. Jaeger 1927-3-23 s.n. Riverside Hidden Springs. Comment