Search Results — 2000 specimen records retrieved (1896 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
  UCSB18  Abies concolor White, Arthur 1960-5-14 Riverside Black Mt. campground on Black Mountain about 15 mi. N. of Idyllwild on road to Banning 2133 Comment
  CSUSB578  Abronia villosa Shirley Hill 1963-2-20 630220 3 Riverside Desert wash where houses end on Vista Chino St., Palm Springs, 500 yards up wash. Comment
  RSA0046826  Abronia villosa Tamara Joy Hanna 1991-5-4 15 Riverside Township of Anza, area of High Country Ranches. From Terwilliger Road (paved) east on Coyote Canyon Road (dirt) approx. 2 miles. 1219 Comment
  RSA165140  Abronia villosa var. aurita Mark Parratt 1962-2-24 111 Riverside E side of road in cathedral city. Colorado desert edge. Drainage area: Salton Sea. 152 Comment
Read comments
Jun 24 2008
  RSA461038  Abronia villosa var. aurita N. C. Cooper 1944-4-23 1104 Riverside Cabazon. 457 Comment
  SD247456  Abronia villosa var. aurita A. C. Sanders, Nina Kidd, Jeff Crain 2015-3-31 41540 Riverside Peninsular Range: Eastern Foot of the Santa Ana Mountains: Temescal Canyon Road, SE of El Hermano Road junction (Lake Mathews 7.5'Q) 315 Comment
  UCR3430  Abronia villosa var. aurita Heidi A. Haid 1964-5-10 64510- 01 Riverside San Jacinto Valley, east of San Jacinto, Los Banos and Main Streets 549 Comment
  UCR228628  Abronia villosa var. villosa Thomas R. Stoughton, J. McConnaughy, D. Monks, M. Volke 2010-4-22 155 Riverside Sonoran (Colorado) Desert, north of Hwy I-10, c.1.5 mi up Corn Springs Road 213 Comment
  CLARK-A1528-457  Acacia greggii Charlotte Stocks 1964-8-15 Riverside San Jacinto Mountains 914 Comment
  SEINET238936 Image available Acacia greggii A. C. Sanders, T. B Salvato 2000-4-27 23373 Riverside Coachella Valley: east side of Coachella Canal near the foot of the Mecca Hills vicinity of the east end of Ave 60 (Mec 15 Comment
  RSA623995  Acacia greggii var. arizonica E. C. Jaeger 1921-10-9 286 Riverside Little Palm Canyon. 366 Comment
  SD186059  Acamptopappus sphaerocephalus Mitch Provance, J. S. Ross 1998-3-27 MOR 957 Riverside Morongo Indian Reservation, road to Lion Canyon, ca. 1.0 mile northeast of the town of Cabazon. 579 Comment
  RSA314634  Acamptopappus sphaerocephalus var. sphaerocephalus R. F. Thorne, Fosberg, M. H. Sachet, Derral Herbst 1983-4-23 55428 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  SEINET4692067 Image available Achnatherum coronatum J. C. Roos 1950-1 4817 Riverside Hills NE of summit of Reche Canyon 762 Comment
  JOTR33800  Achyronychia cooperi La Doux, Tasha, B. Truesdell 2007-11-9 3298 Riverside Joshua Tree National Park. Pinto Basin; Fried Liver Wash, along Route 11 where the wash crosses the road (STOP 1) 532 Comment
  OBI8297  Achyronychia cooperi David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-27 12060 Riverside Along Box Cyn Rd, ca. 20 mi ENE of Mecca in Orocopia Mts 274 Comment
  UCR20762  Achyronychia cooperi A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1298 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
  RSA0121433  Acmispon glaber var. glaber Duncan S. Bell, LeRoy Gross 2016-3-30 9142 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.75 air miles southeast of the summit of Martinez Mountain. 698 Comment
  SEINET957536  Acmispon micranthus N. M. Fellows, A. C. Sanders 1986-1 188 Riverside Oasis de Los Osos Preserve, off Snow Creek Canyon at the north foot of the San Jacinto Mountains, 1 mile W of Snow Creek Village. 488 Comment
  SBBG25096  Acmispon rigidus D. Myrick 1966-4-3 1346 Riverside Hidden Valley, Joshua Tree Nat Monument Comment
Read comments
Dec 14 2016
  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
  SDSU14071  Acmispon strigosus Jonathan S. Austin, Michael G. Simpson 2002-4-20 15 Riverside Near parking area off Tornado road adjacent to riparian area north of Santa Margarita river, Santa Margarita Ecological Reserve. 233 Comment
  UCR104166  Acourtia microcephala Scott D. White 1997-5-25 5246 A Riverside San Jacinto Mtns, Bautista Canyon: Hixon Trail (USFS No. 2E43), between trailhead at Bautista Canyon Road and intermittent stream crossing at c. 3200 ft 976 Comment
  CAS-BOT-BC22558  Adenophyllum porophylloides Harvey Keith Wagnon 1944-5-25 394 Riverside North side Tahquitz Canyon, Palm Springs Comment
  RSA296168  Adenostoma fasciculatum Barry A. Prigge 1980-8-5 3866 Riverside San Bernardino Mts, Whitewater Canyon: 0.5 miles N of trout farm. Slopes and terraces of canyon. 716 Comment
Read comments
Jan 14 2010
  UCR21920  Adenostoma fasciculatum Steve Boyd 1980-5-11 248 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  CAS-BOT-BC139861  Adenostoma sparsifolium Winifern W. Swarth 1914-9-8 s.n. Riverside Trail below Strawberry Valley, San Jacinto Mts. 1524 Comment
  SBBG113412  Adenostoma sparsifolium D. Wilken with E. Painter 2000-11-4 15869 Riverside St Hwy 71, ca. 4 mi E of Anza, N of Burnt Valley, SE base of Thomas Mtn 1400 Comment
  CAS-BOT-BC69645  Adiantum capillus-veneris Louis C. Wheeler 1933-12-1 2295 Riverside Mouth of Tahquitz Canyon, San Jacinto Mts. 152 Comment
  UCR18785  Adiantum capillus-veneris John C. Roos 1948-5-15 3850 Riverside Sonoran (Colorado) Desert, Eagle Mountains, upper Lost Palms Canyon 1037 Comment
  UCR35308  Adiantum capillus-veneris L. B. Ziegler 1966-9-13 090 Riverside Sonoran (Colorado) Desert, San Jacinto Mountains, Carrizo Spring (Carrizo Creek), c.3/8 mi above Hwy 74 crossing of canyon. 703 Comment
  RSA535476  Adiantum jordanii Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-2-2 6654 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Lower half of Tenaja Cyn, especially about Fishermans Camp. Comment
  CAS-BOT-BC295627  Agnorhiza ovata Peter H. Raven 1962-5-18 17761 Riverside Mail Divide Truck Trail 3 miles above Ortega Highway 1005 Comment
  UC55109  Agoseris grandiflora var. grandiflora H. M. Hall May 17 1901-Jun 1 1901 1916 Riverside 20 mi s Palm Springs; Palm Springs 1371 Comment
Read comments
May 2 2007
  UCR26995  Agoseris retrorsa E. W. Lathrop 1966-5-29 6393 Riverside Peinsular Range; Santa Ana Mtns, Cleveland National Forest, Main Divide Truck Trail between El Carriso and Santiago Peak 1223 Comment
  UCD52295  Agrostis exarata Peter M. Ray Date Unknown 1934 Riverside Hall Canyon, San Jacinto Mtns. Comment
  UCR187474  Agrostis exarata Diane Menuz, Angela Hyde 2006-8-24 235 Riverside Peninsular Range; San Jacinto Mtns, North Fork San Jacinto River c. 100 m below FS Rd. 5S09, below Indian Mountain 1331 Comment
  UCR187315  Agrostis idahoensis Naomi Fraga, Et al. 2006-7-11 1714 Riverside San Jacinto Mountains, Mount San Jacinto State Park, Hidden Lake 2652 Comment
  RSA644194  Agrostis pallens Scott D. White, Mike Wilcox 1995-6-11 3462 Riverside Santa Ana Mts; Southwest of Main Divide Truck Trail, upper forks of Decker Canyon. 731 Comment
  SD232137  Agrostis stolonifera Scott D. White, Justin M. Wood 2008-7-9 12405 Riverside San Jacinto Mountains, Johnson Meadow 1415 Comment
  RSA23228  Aliciella latifolia Ernest Braunton 1940-4-3 2019 Riverside Berdoo Canyon, 10 mi. E. of Indio. 304 Comment
  RSA0106714  Allionia incarnata Duncan S. Bell 2011-9-30 2942 Riverside Northeastern section of the Arica Mountains; northwest section of Rice Valley; approx. 2 air miles southwest of the ghost town of Rice. 234 Comment
  RSA644307  Allionia incarnata Ed LaRue 1993-4-28 s.n. Riverside Colorado Desert: Blythe Landfill, along Blythe-Midland Rd., 3 mi. S of the Big Maria Mtns., 6 mi. W of Colorado R. 121 Comment
  RSA708482  Allionia incarnata Scott D. White, Brian Leatherman 2005-5-4 11014 Riverside Eastern Coachella Valley. Thermal area; bajada below Mecca Hills and East of the Coachella Canal. 24 Comment
  RSA717452  Allionia incarnata Scott D. White, Andrea Warniment 2006-3-22 11264 Riverside Eastern Coachella Valley a few mi E of Indio. Proposed I-10 Freeway / McMaughton Parkway Interchage, N of I-10 Freeway. 91 Comment
  UCSB748  Allium burlewii Ralph, F. 1959-5-16 Riverside Top of Devil's slide Trail; San Jacinto Mtns. Wilderness area 2621 Comment
  POM14403  Allium cratericola Philip A. Munz, I. M. Johnston 1922-5-21 5512 Riverside Kenworthy, San Jacinto Mountains. 1418 Comment
  CAS-BOT-BC131985  Allium haematochiton Steve Boyd; Aydee Virgen 2004-4-13 10859 Riverside Peninsular Ranches; Santa Ana Mountains region: San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  UC479033  Allium haematochiton Marcus E. Jones, A. M. 1931-3-2 28394 Riverside Corona Comment
  UCR37470  Allium haematochiton Steve Boyd 1981-4-6 s.n. Riverside Peninsular Range, Gavilan Hills, Estelle Mtn. summit 823 Comment
  RSA765054  Allium peninsulare var. peninsulare Doris Bowers 1972-4-15 1846 Riverside Pulgas Creek Wash mouth, Rancho California 396 Comment
  RSA0048295  Allium peninsulare var. peninsulare A. L. Haines 1951-5-19 5142 Riverside Bautista Wash, San Jacinto Mts. 609 Comment
  UC1931113  Allophyllum divaricatum Scott D. White, Justin Wood 2008-6-18 12205 Riverside San Jacinto Mountains: Hiking trail from K flat to Apple Canyon Rd. Comment
  UCR25034  Allophyllum divaricatum A. C. Sanders 1980-7-18 1663 Riverside San Jacinto Mtns, Thomas Mountain; along a small dry creek in Spillway Canyon about 2 mi SW of Hwy 74 along Thomas Mountain Road 1463 Comment
  SBBG36321  Allophyllum gilioides T. L. Secrest 1951-5-20 Riverside San Jacinto Mtns 1219 Comment
  RSA192035  Allophyllum glutinosum E. W. Lathrop 1966-5-9 6275 Riverside 3 miles SW of Murrieta between Mesa de la Punta and Sandia Canyon. Comment
  RSA526139  Allophyllum glutinosum Steve Boyd, T. S. Ross 1990-5-11 4652 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  UC718493  Allophyllum glutinosum P. C. Everett 1935-6-17 7155 Riverside Coldwater Canyon Trail to Santiago Pk. (1 1/2 mi. above Glen Ivy Resort); Santa Ana Mts. 563 Comment
  SEINET10511141  Alopecurus howellii Robert F. Thorne, Earl W. Lathrop 1975-5-25 Thorne 45549 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro; muddy and bouldery margin of vernal marsh; with Rumex salicifolius, Hordeum geniculatum, Trifolium variegatum, etc. 610 Comment
  UC1532831  Alopecurus saccatus Robert F. Thorne and Earl Lathrop 1975-5-25 45549 Riverside Rancho California Santa Rosa Plateau, Mesa de Burro, Rancho California 609 Comment
  JEPS123742  Aloysia wrightii J. Andre, T. La Doux 2008-9-16 10685 Riverside Joshua Tree National Park: JTNP: along Bell Mountain Road, atop Bell Mountain approx. 0.3 mi N of radio tower. Queen Mountain 7.5' USGS Quad. Comment
  JOTR32108  Amaranthus albus Harding, Mitzi, Kipp Callahan 2012-8-27 283 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  UCR199612  Amaranthus albus Scott D. White, Angelia Carey 2004-7-2 10567 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  POM259508  Amaranthus blitoides E. C. Jaeger 1939-12-26 s.n. Riverside Asio Canon [made-up name], 4 mi. north of Indio 122 Comment
Read comments
Nov 5 2011
  UCR274219  Amaranthus fimbriatus Duncan S. Bell, Evan Meyer 2014-10-28 7669 Riverside northwest section Orocopia Mountains, c. 1.8 air miles northwest of the summit of Orocopia Mountain 936 Comment
  SEINET9120721  Amaranthus fimbriatus E. R. Blakley 1961-1 4715 Riverside Pinyon Flat, Palms to Pines Highway (Calif. 74). 1219 Comment
  RSA500136  Amaranthus retroflexus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3674 Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
  SD122878  Amaranthus retroflexus Steve Boyd 1985-7-23 1025 Riverside De Luz Road, 8.5 miles west of Rancho California 274 Comment
  UCR7930  Amaranthus retroflexus O. F. Clarke 1968-10-8 s.n. Riverside Riverside, residence of O.F. Clarke, 1012 Spruce St. 306 Comment
  UCR272130  Amaranthus torreyi Duncan S. Bell 2015-9-30 8682 Riverside Santa Rosa Mountains, Little Pinyon Flat, from Cactus Spring Trail to Horsethief Creek 1246 Comment
  CAS-BOT-BC45012  Ambrosia confertiflora Louis C. Wheeler 1933-12-1 2278 Riverside Banning 731 Comment
  CAS-BOT-BC22607  Ambrosia dumosa S. Smith-White; A. Johnson 1963-4-12 63 -334 Riverside Joshua Tree National Monument: about 6 mi S of Entrance to Cottonwood Springs Campground Comment
  CAS-BOT-BC22611  Ambrosia dumosa Alice Eastwood 1913-4-30 2990 Riverside Palm Springs Comment
  RSA342534  Ambrosia dumosa R. F. Thorne, D. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54016 Riverside San Bernardino Mountains: 1/4 mile W of Whitewater P. O. and 1/2 mile W of Whitewater River 415 Comment
  RSA761081  Ambrosia dumosa Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-4-20 148 Riverside W of Palen/ McCoy Wilderness. Intersection of Hwy 177 and Palen Pass Rd (kiosk). 366 Comment
  RSA775936  Ambrosia dumosa Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 946 Riverside Wash crossing Midland Rice Road, near saddle between Little Maria Mountains and Big Maria Mountains 320 Comment
  UC61510  Ambrosia dumosa L. D. Copeland 1904-5-1 6 Riverside Palm Springs Comment
  UCD128788  Ambrosia dumosa William H. Brooks 24-25 Feb 1989 s.n. Riverside McCoy Wash, north of Blythe. 579 Comment
  UC111300  Ambrosia ilicifolia E. E. Schellenger c. 1912 4 Riverside Santa Maria Mts.; Colorado Desert Comment
  UCR141234  Ambrosia psilostachya A. C. Sanders, Mike Misenhelter 2004-10-6 28833 Riverside Santa Ana Mtns./Santa Rosa Plateau, hill 2139 at west end of the Mesa De Colorado, private land on the west side of Via Volcano adjacent to the Santa Rosa Plat. Ecol. Reserve 640 Comment
  CAS-BOT-BC273038  Ambrosia salsola Geo. B. Grant 1906-5-1 609 -6736 Riverside Colorado Desert at Palm Springs Comment
  SEINET2052885 Image available Ambrosia salsola John Adams 1966-3-12 457 Riverside Hwy 74 2 mi. above Palm Desert. 609 Comment
  UC1069630  Ambrosia salsola R. St. John 1929-3-25 15 Riverside Foot of Cabezon Mt San Jacinto Quad., Foot of Cabezon Mt. 609 Comment
  UCR233550  Ambrosia salsola Jim Andre, Glenn L. Clifton 2011-2-22 17413 Riverside Mecca Hills, along Box Canyon Road, 5.5 mi northeast of town of Mecca 52 Comment
  JEPS121497  Ambrosia salsola var. salsola Adam C. Schneider with Will Freyman 2014-2-16 412 Riverside West side of Highway 177. Comment
  SBBG87792  Ambrosia salsola var. salsola A. C. Sanders with D. Charlton, B. Pitzer 1986-3-1 6023 Riverside NW end of Hayfield Lake, ca. 0.5 mi SW of the pumping station 411 Comment
  RSA783163  Amelanchier pallida J. D. Olmsted 1962-5-3 3515 Riverside Intersection of Pines to Palms Hwy and south access road to Thomas Moutain 1387 Comment
  LA204904  Amorpha fruticosa Leo Boyd; 1953-5-24 sn Riverside 11 mi. SW of junction of CA highways 74 and 111, on highway 74 Comment
  LA204905  Amorpha fruticosa Barbara Crumly; 1953-5-23 sn Riverside Cranston Ranger station Comment
  POM15156  Amorpha fruticosa Mary F. Spencer 1922-4-16 1442 Riverside Eagle Canyon 122 Comment
Read comments
Aug 8 2010
  SDSU13505  Amorpha fruticosa W. Miller with C. Mosse 1972-7-13 Riverside 100 yards west of M.W.D Station; 25 yards from river. Comment
  UC489216  Amorpha fruticosa C. V. Meyer 1928-8-2 628 Riverside Idyllwild Grade San Jacinto River (foot) Comment
  UCR94248  Amorpha fruticosa Scott D. White 1996-4-14 3924 Riverside Perris Basin/San Jacinto Mtns., E of Hemet: San Jacinto River Wash near Valle Vista, north of Hwy 74, c. 1.7 mi west of USFS Cranston Fire Station 549 Comment
  JOTR35928  Amsinckia intermedia De Groot, Sarah J., Jessica Chu, Loraine Washburn 2013-3-22 6876 Riverside Joshua Tree National Park. Cottonwood Spring; Fan palm oasis and surrounding slopes. 914 Comment
  SEINET7073333  Amsinckia intermedia A. G. Vestal 1963-4-29 s.n. Riverside South Mesa on Tenaja Grande (Tenaja Trunk Road), Santa Ana Mountains. Cleveland National Forest. Coordinate datum: NAD27. Comment
  UCR138920  Amsinckia intermedia Julie A. Greene 1993-3-13 1002 Riverside San Jacinto River Valley, San Jacinto Wildlife Area. Weedy area between ranch fence and permanent pond 441 Comment
  SEINET7907888  Amsinckia menziesii D. A. Johnson 2005-1 Riverside 1 mi E of CA 74 on River Rd, between Perris & Lake Elsinore 488 Comment
  UC1084627  Amsinckia tessellata var. tessellata Francia Chisaki, Peter M. Ray 1952-4-6 2197 Riverside about 1/4 mi w of Cottonwood Springs; Joshua Tree National Monument Comment
  UC1329903  Amsonia tomentosa James E. Cole 1941-5-14 703 Riverside Queen Valley Joshua Tree Nat'l Monument, Queen Valley 1280 Comment
  SD137658  Anagallis arvensis Darin L. Banks, Steve Boyd 1995-5-3 220 Riverside Cleveland National Forest; Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along Arroyo Seco 500 Comment
  RSA585816  Anagallis arvensis D. L. Banks, S. D. Boyd 1995-5-9 351 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  RSA503858  Anemopsis californica N. C. Cooper 1949-6-1 3958 Riverside Elsinore. 457 Comment
  JOTR35463  Anisocoma acaulis Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 64 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W. of Juniper Flats (stop4) Comment
  SD215368  Anthriscus caucalis Steve Boyd 1991-5-10 6214 Riverside Santa Ana Mountains, base of the range, just north of mouth of Hagador Canyon at bottom of Skyline Drive, 427 Comment
  RSA0125290  Antirrhinum coulterianum Duncan S. Bell 2016-3-3 8776 Riverside Whitewater Canyon; San Gorgonio Wilderness area; Rainbow Canyon, approximately 3.5 air miles east northeast of Kitching Peak. 820 Comment
  RSA500209  Antirrhinum coulterianum Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3534 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  UCR105430  Antirrhinum coulterianum A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20681 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek drainage, dry slopes above Brown Creek 915 Comment
  JOTR28916  Antirrhinum filipes La Doux, Tasha 2005-2-7 1152 Riverside Joshua Tree National Park. Eagle Mountains; south facing slopes north of Hayfield Dry Lake 553 Comment
  JOTR31849  Antirrhinum filipes La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2107 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  RSA585508  Antirrhinum kelloggii D. L. Banks, Steve D. Boyd 1995-5-9 369 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, W of the Dripping Springs Alcove, W of Woodchuck Campground. 793 Comment
  UC444964  Antirrhinum nuttallianum subsp. nuttallianum Edmund C. Jaeger 1927-4-2 Riverside Box Springs Mountains Comment
  RSA614868  Antirrhinum nuttallianum subsp. nuttallianum B. Pitzer 1997-4-11 3115 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. Approx. 3/4 mi. (airline) SE of Mt. Rudolph (measured from BM Nelson) 610 Comment
  JEPS100902  Apiastrum angustifolium Dean W. Taylor 1998-5-13 16433 Riverside Aguanga Valley, mouth of Temecula Creek, on hillslopes just south of Highway 79 609 Comment
  RSA711034  Apiastrum angustifolium A. C. Sanders 2005-4-21 29564 Riverside Peninsular Range: Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak. 622 Comment
  SD144082  Apocynum cannabinum G. Ballmer, K. Stockwell 1996-6-1 Riverside E of Murrieta: Warm Springs Creek ca. I(c) way between Murrieta Hot Springs Rd. and Los Alamos Rd. 366 Comment
  UCR59532  Arabis pulchra Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3568 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake Area, along Arroyo Seco drainage from junction with Kolb Creek, S to within 0.25 mi of Hwy 79 457 Comment
  POM354173  Arceuthobium campylopodum M. B. Dunkle 1933-7-21 3735 Riverside Idyllwild. 1616 Comment
  UCR168437  Arceuthobium campylopodum Larry E. DeBuhr 1972-3-23 514 Riverside Santa Rosa Mountains, San Bernardino National Forest, on Santa Rosa Peak 2439 Comment
  RSA629143  Arctostaphylos Jon E. Keeley 1992-7-17 16780 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  RSA629162  Arctostaphylos Jon E. Keeley 1992-7-17 16799 Riverside Road to Thomas Mountain (5S15), 6.0 km north of Toolbox Spring. 1790 Comment
  RSA629353  Arctostaphylos glandulosa Jon E. Keeley 1978-9-16 7260 Riverside On Twin Pines Ranch Road off Highway 243. Comment
  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
  RSA629402  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19521 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629474  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19513 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629479  Arctostaphylos glandulosa Jon E. Keeley 1992-6-16 16838 Riverside Hwy 243, 30 km N of Idyllwild. 1630 Comment
  RSA629362  Arctostaphylos glandulosa subsp. glandulosa Steve Boyd, Tim Ross 1992-5-4 7180 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  RSA796517  Arctostaphylos glandulosa subsp. glandulosa R. F. Thorne, E. W. Lathrop 1977-5-18 49727 Riverside Santa Ana Mountains: Bear Spring [east slope of Santiago Peak] Comment
  UCR44197  Arctostaphylos glandulosa subsp. glandulosa A. C. Sanders 1986-6-1 6565 Riverside San Jacinto Mtns., trail to Spitler Peak from the Herkey Creek Camp to Bonita Vista road [=Apple Canyon Rd.] 1829 Comment
  CAS-BOT-BC24673  Arctostaphylos glauca C. B. Wolf 1932-2-11 2649 Riverside Santa Ana Mts., Hidden Canyon, 5 mi. w. of Corona, base of Skyline Drive. 405 Comment
  RSA631842  Arctostaphylos glauca Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20168 Riverside Truck trail on north-face of Santa Rosa Mountain, ca. 5 km south of Pinyon Pines, Santa Rosa Mountains. 1480 Comment
  UCR167779  Arctostaphylos glauca Richard Minnich 2002-10-28 s.n. Riverside Southern Mojave Desert, Little San Bernardino Mtns; SE of VABM Inspiration; near the second peak (c. 0.4 mi) NW of Salton View (Keys View) Parking Lot 1677 Comment
  RSA633540  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22665 Riverside Road to Santa Rosa Mountain. 2000 Comment
  RSA633578  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20116 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633587  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22509 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633676  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20140 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633681  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21773 Riverside Dirt road to Santa Rosa Mountain, 9.2 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1995 Comment
  RSA633767  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16633 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  CAS-BOT-BC46553  Arctostaphylos patula P. A. Munz 1922-8-7 6415 Riverside N. fork of Tahquitz Creek. 2286 Comment
  UC21884  Arctostaphylos patula H. M. Hall 1901-6 2312 Riverside near Tahquitz; San Jacinto Mountains 2286 Comment
  POM12980  Arctostaphylos pringlei subsp. drupacea P. A. Munz, I. M. Johnston 1922-5-20 5490 Riverside Head of Hemet Valley, San Jacinto Mts. 1524 Comment
  POM15030  Arctostaphylos pringlei subsp. drupacea Mary F. Spencer 1922-7-2 1980 Riverside Tahquitz trail. Idyllwild. San Jacinto Mt. 1829 Comment
  RSA1789  Arctostaphylos pringlei subsp. drupacea C. B. Wolf 1931-5-11 1948 Riverside Near Pipe Creek, above Hemet Valley, San Jacinto Mountains. 1677 Comment
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Mar 24 2011
  POM367450  Arctostaphylos pungens Albert J. Perkins 1916-9-14 s.n. Riverside Idlewild Comment
  RSA635806  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16549 Riverside Red Mountain Road, 10.7-11.5 km east of R3. 1050 Comment
  SBBG58423  Arctostaphylos pungens R. Hoffmann 1929-9-11 Riverside Thomas Valley Comment
  RSA636002  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19549 Riverside Carancho Rd., W. of Temecula. 440 Comment
  RSA636011  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19559 Riverside Carancho Rd., W. of Temecula. 440 Comment
  RSA636164  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19467 Riverside West of Temecula, off Carancho Rd., west of De Luz Rd., eastern Santa Margarita Mtns. 460 Comment
  RSA636169  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19463 Riverside West of Temecula, off Carancho Rd., west of De Luz Rd., eastern Santa Margarita Mtns. 460 Comment
  POM410  Argemone munita subsp. munita L. T. Street, M. Durant 1918-5-12 s.n. Riverside San Jacinto Comment
  CAS-BOT-BC202501  Argythamnia serrata John Ingram 1954-4-26 202 Riverside One mile above Whitewater along Whitewater Canyon Road 454 Comment
  CLARK-A1528-7798  Aristida purpurea var. nealleyi John C. Roos 1949-4-11 4242 Riverside Hayfield Comment
  SEINET7596234 Image available Aristida purpurea var. purpurea Parish 1882-1 1549 Riverside San Jacinto Comment
  RSA0124743  Aristida purpurea var. wrightii Duncan S. Bell, LeRoy Gross 2016-3-9 8842 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central section of range, approximately 1.75 air miles north of Gucci Spring. 551 Comment
  UCR117105  Aristida ternipes var. gentilis A. C. Sanders, T. B. Salvato 2001-5-16 24301 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  SFV3693  Artemisia californica M. L. Vincent, R. H. Swade 1963-10-19 458 Riverside Snow Creek Road, 2 miles from its intersection with California State Highway 111. This intersection is about 0.5 miles southeast of the intersection between Highway 111 and Interstate Highway 10. 366 Comment
  UC64840  Artemisia douglasiana E. A. Zumbro 1904-1-1 419 Riverside Cold Water Canon Santa Ana Mts., Cold Water Canon Comment
  JOTR32653  Artemisia ludoviciana subsp. albula La Doux, Tasha, K. Matthews, S. Szabo, J. Van Warmerdam, B. Truesdell 2007-10-4 2557 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Lower Covington Flat, southeast of trailhead heading toward Smith Water Canyon (Stop 2) 1398 Comment
  UCR177430  Artemisia ludoviciana subsp. incompta Scott D. White 2003-10-9 9824 Riverside San Jacinto Mountains, Pine Cove area, Dutch Flat 1753 Comment
  RSA697767  Arundo donax J. Russell Bruff 1927-10-8 1 -T Riverside Thousand Palms Comment
  JOTR35054  Asclepias albicans La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3506 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road. South-facing bajada with shallow Sonoran desert riparian corridors among desert pavement. Comment
  RSA401648A  Asclepias californica Gale Sphon 1955-5-7 s.n. Riverside 3 mi. east of Lake Elsinore. Comment
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May 26 2019
  SEINET955538  Asclepias californica V. W. Steinmann, D. L. Banks 1997-1 1199 Riverside Agua Tibia Mountains, north of Highway 79 on the low hills just east of Dripping Springs alcove and west of Lake Marina Road. 500 Comment
  RSA20302  Asclepias erosa Roxana S. Ferris, Ruth P. Rossbach 1938-5-15 s.n. Riverside 19 mi. from Cottonwood Springs, Riverside Co. N end of Pinto Basin Comment
  RSA401251  Asclepias fascicularis M. M. Thompson 1947-8-23 C- 2025 Riverside Los Alamos Canyon, Elsinore Mtns. 762 Comment
  UCR201459  Asclepias fascicularis Scott D. White, Justin M. Wood 2008-7-10 12449 Riverside San Jacinto Mountains, Fobes Spring 1500 Comment
  UCR278882  Asclepias fascicularis Mitch Provance 2011-6-9 17197 Riverside Santa Ana River Valley, Jurupa Valley, Pedley area, Horseshoe Lake, west of Van Buren Blvd., west of the corner and Studio Pl. and Lakeview Ave. 219 Comment
  CHSC125  Asclepias subulata V. Holt 1957-3-31 Riverside Colorado River n. of Blythe 91 Comment
  SD224819  Asclepias subulata B. Pitzer 1996-11-9 2927 Riverside Orocopia Mts: Bob's Cabin, ca 4 rd mi. N of Salt Creek Rd & 4.5 air mi. S of the W end of Hayfield Lake. Hayfield 15' USGS Quad. 609 Comment
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Mar 14 2015
  RSA233316  Asphodelus fistulosus L. B. Ziegler 1968-04 s.n. Riverside Soboba Indian Reservation, near San Jacinto, 579 Comment
  CLARK-A1528-158  Aster exilis John C. Roos 1951-9-25 5275 Riverside Riverside 259 Comment
  CAS-BOT-BC177724  Astragalus crotalariae Marcus E. Jones 1906-4-19 s.n. Riverside Borrego Spring 1066 Comment
  CAS-BOT-BC177727  Astragalus crotalariae Ynez Whilton Winblad 1937-2-2 s.n. Riverside Coachella Valley Comment
  UCR213423  Astragalus didymocarpus A. C. Sanders 2010-3-15 37390 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
  RSA359864  Astragalus didymocarpus Steve Boyd 1986-4-2 1620 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  JEPS54628  Astragalus didymocarpus var. didymocarpus W. L. Jepson 1901-5-24 1415 Riverside Van Deventer's Ranch , Van Deventer's Ranch (Santa Rosa Mts.) Comment
  SBBG3180  Astragalus douglasii H. and M. Dearing 1937-11-28 852 Riverside Santa Rosa Mtns Comment
  RSA801812  Astragalus douglasii var. parishii LeRoy Gross, Caitlin Elam 2013-5-21 6106 Riverside West edge of Pine Cove. Between Pine Cove and Red Hill Road(5S10). 1784 Comment
  SEINET948244  Astragalus douglasii var. parishii D. Bramlet 1990-1 2040 Riverside Approximately 915m south of Hwy 79 and 152m south of the Dripping Springs Campground. The site is 30m east of the main wash. Vail Lake 7.5 USGS Quadrangle. 494 Comment
  RSA90230  Astragalus douglasii var. parishii F. W. Peirson 1922-5-20 3342 Riverside Hemet Valley, San Jacinto Mountains. 1371 Comment
  CAS-BOT-BC186900  Astragalus insularis var. harwoodii Noel H. Holmgren; Patricia K. Holmgren; Ruth E. Kern 1973-3-22 6454 Riverside Rice Valley, 7 miles south-southwest of Rice 274 Comment
  CAS-BOT-BC186903  Astragalus insularis var. harwoodii Peter H. Raven 1958-2-16 11625 Riverside Just west of Blythe Air Field Comment
  SD211454  Astragalus insularis var. harwoodii Carolyn Martus, Joseph Betzler, Caesara Brungraber, Lance Woolley 2008-4-15 1213 Riverside 30 miles west of Blythe near Palen Dry Lake. From I-10 exit Corn Springs Road north for about 8 miles. There are few plants (less than ten on this outing) south of Palen Dry Lake. Comment
  SEINET10446005 Image available Astragalus insularis var. harwoodii Marc A. Baker, Michelle Cloud-Hughes 2015-2-21 18273 Riverside 6.3km ENE of Vidal Junction, 8km SSW of Savahia Peak, 67km NNW of Blythe 306 Comment
  CAS-BOT-BC187114  Astragalus lentiginosus var. borreganus F. H. Billings 1926-1-20 25 Riverside Indio Comment
  CAS-BOT-BC187117  Astragalus lentiginosus var. borreganus Geo. B. Grant 1906-4-8 6747 Riverside Palm Springs Comment
  UC126875  Astragalus lentiginosus var. coachellae H. M. Hall 1905-4-14 5757 Riverside Whitewater , Whitewater (Colorado Desert) 240 Comment
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Feb 1 2011
  JOTR01059  Astragalus lentiginosus var. variabilis Cole, James E. 1941-5-2 671 Riverside Joshua Tree National Park. LOST HORSE VALLEY 1310 Comment
  UCR232513  Astragalus nuttallianus var. cedrosensis Dave Silverman, Mark Bibbo 2010-3-31 7900 Riverside Sonoran (Colorado) Desert, Palo Verde Mesa, E of southern McCoy Mtns, 1.5 km W of Black Creek Rd, 5.4 km N of I-10, and 6.8 km ENE of McCoy Peak 175 Comment
  CAS-BOT-BC192826  Astragalus pomonensis B. 1904-4-5 4131 Riverside Hemet Comment
  CAS-BOT-BC194171  Astragalus pomonensis Scott D. White; Julie Greene 1997-3-12 4778 Riverside Near I-215 Freeway, S of Perris and N of Menifee, low hills E of Bavaria Dr., Sun City - Perris Basin 487 Comment
  JEPS35956  Atrichoseris platyphylla Marjorie D. Clary 1672 Riverside Aqueduct Road, North Colorado Desert Little San Bernardino Mountains, Colorado Desert 243 Comment
  RSA774923  Atrichoseris platyphylla Duncan S. Bell 2011-4-7 2169 Riverside On the east side of the Arica mountains; approximately 2 miles northwest of Priests Well, or approximately 5.2 air miles southwest of the ghost town of Rice. 357 Comment
  CLARK-A1528-394  Atriplex canescens John C. Roos 1951-10-19 5326 Riverside San Jacinto Valley 457 Comment
  CLARK-A1528-5402  Atriplex canescens John C. Roos 1951-10-19 5326 Riverside San Jacinto Valley 457 Comment
  SEINET5540666  Atriplex canescens H. S. Gentry 1954-1 14249 Riverside Aguanga. Comment
  UC850759  Atriplex canescens Carl B. Wolf 1932-10-13 4303 Riverside Cottonwood Springs Colorado Desert, Eagle Mts., Cottonwood Springs 289 Comment
  JOTR34468  Atriplex canescens subsp. canescens La Doux, Tasha, M. Harding, B. Truesdell, D. Shade 2012-9-25 3157 Riverside Joshua Tree National Park. Cottonwood Mountains; Cottonwood Spring 914 Comment
  UCR214709  Atriplex canescens var. macilenta A. C. Sanders, Richard Dwerlkotte 2010-3-22 37523 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 1.5 mi. SE of Sidewinder Well, south end of Palen Dry Lake, SW of Palen Mtns. 130 Comment
  JEPS90679  Atriplex coronata var. notatior D. Bramlet 1991-6-1 2182 Riverside 1.4 km w of Nuevo (and some 10 m s of the end of 12th Street, some 17m e of San Jacinto River); San Jacinto crownscale 473 Comment
  RSA591763  Atriplex coronata var. notatior J. C. Roos 1965-6-30 s.n. Riverside Perris. Comment
  SD174863  Atriplex coronata var. notatior Mark A. Elvin 2005-5-24 4316 Riverside Southern Coastal: Perris; east of I-215; south of San Jacinto River; northwest corner of jct Ellis Avenue and first road east of I-215. Perris 7.5' quad. 427 Comment
  UCR123695  Atriplex coronata var. notatior D. E. Bramlet 2000-5-18 3053 Riverside 122 m west of the San Jacinto River and 2 km north of Nuevo Road, 229 m northwest of the end of 12th St. 431 Comment
  UCR18789  Atriplex coronata var. notatior John C. Roos 1952-5-14 5668 Riverside Perris-Aguanga Basin, 1 mi SE of Perris. San Jacinto River bottomlands. Comment
  UCR217553  Atriplex coronata var. notatior Diane Menuz 2009-5-18 498 Riverside Perris-Aguanga Basin, Conservation land c. 500 m north of Stetson Ave. and c. 70 m west of Warren Rd.; south of Hwy. 74 457 Comment
  UCR66980  Atriplex coronata var. notatior D. E. Bramlet, A. Parikh 1990-6-14 2037 Riverside San Jacinto Valley, c. 6.5 km SW of Hemet, just west of Warren Ave, at Setson Ave. & MWD canal; in cow pasture c. 400 m north of Setson Ave. 457 Comment
  UCR70516  Atriplex coronata var. notatior D. E. Bramlet 1991-6-1 2180 Riverside San Jacinto Valley, San Jacinto River, 3 km west of Nuevo, and c. 20 m east of the river, about 300 m south of the end of 11th Street 473 Comment
  UCR70520  Atriplex coronata var. notatior D. E. Bramlet 1991-5-7 2117 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto Valley, 8.2 km SW of Hemet, just NE of jct. of California Ave. & Marvin Hull Road, c. 50-150 m north of the AT&SF railroad tracks & 300 m west of MWD canal 500 Comment
  UCR120538  Atriplex davidsonii D. E. Bramlet 2000-5-12 3037 Riverside 381 m south of the Ramona Expressway and 107 m east of the San Jacinto Rivre levee & 656 m north of the MWD maintenance road 431 Comment
  UCR27595  Atriplex davidsonii John C. Roos 1962-5-24 s.n. Riverside San Jacinto Valley, Flats west of Hemet Comment
  SBBG128636  Atriplex elegans var. elegans A. C. Sanders, J. F. Green 2012-6-25 40307 Riverside Temescal Cyn near I-15 crossing of Temescal Cyn Rd and Temescal Crk, ca. 2.6 km SE of Lee (Corona Lake); Santa Ana Mtns 361 Comment
  RSA478373  Atriplex elegans var. fasciculata Ora M. Clark 1929-3-17 1746 Riverside N. La Quinta, Colorado Desert. 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
  UCSB18446  Atriplex hymenelytra Winn, Will 1963-2-23 Riverside 3 mi S of of Ave 56 and [Coachella] All American Canal 9 Comment
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Jun 6 2013
  CAS-BOT-BC176536  Atriplex polycarpa S. B. Parish 1912-6-28 8116 Riverside Near Mecca, upper end Salton Sea Comment
  SD162764  Atriplex semibaccata Virginia Moran 1999-2-9 Riverside C.f. West Coast Thoroughbred Farm, 12150 Riverside Avenue, disturbed area (farm slated for development) Comment
  SEINET13297607 Image available Atriplex semibaccata Mitch Provance 2013-1 613 -22 Riverside Santa Ana River Valley: City of Riverside, Arlanza neighborhood, Foothill Elementary School on Wells Avenue, about 0.4 mi W of Van Buren (Riverside West 7.5' Q.) 226 Comment
  RSA0019013  Baccharis brachyphylla Duncan S. Bell, John Anderson, Kim Clark, Ed Howland 2013-9-29 6037 Riverside Chuckwalla Mountains; on the south side of Corn Springs Wash, approximately 3 air miles west of Corn Springs, and about 0.5 air miles south of Aztec Well. 659 Comment
  RSA48866  Baccharis brachyphylla J. C. Roos, L. Roos 1949-9-17 4659 Riverside Canyon bottom near oasis with Palms, a side canyon, E side Whitewater Wash, W slope Painted Hill, 2.2 miles N of Hwy 99 Comment
  SBBG93066  Baccharis brachyphylla A. C. Sanders 1989-9-19 9503 Riverside ca. 1.75 air km S of Tabaseca Tank, along the wash above "Tabaseca Target"; Chocolate Mtns Aerial Gunnery Range 680 Comment
  SFV3737  Baccharis pilularis C. T. Brandhorst 1963-3-15 s. n. Riverside Palm Desert. Comment
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Mar 10 2013
  CAS-BOT-BC106703  Baccharis salicifolia C. L. Hitchcock 1940-4-12 6048 Riverside 8 mi. northwest of Elsinore 457 Comment
  SD229074  Baccharis salicifolia Dick Schwenkmeyer 2012-11-6 880 Riverside West fork of Palm Canyon, Agua Caliente Indian Reservation, 4.7 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 227 Comment
  RSA93169  Baccharis salicifolia F. W. Peirson 1920-2-15 2316 Riverside Palm Springs, Tahquitz Camp. Comment
  SEINET10616771  Baccharis salicifolia Frederick M. Reed 1934-1-6 Reed 8686 Riverside Shrub growing on waste ground. 244 Comment
  JEPS21253  Baccharis salicifolia subsp. salicifolia Marjorie D. Clary 1934-3-3 Riverside 18 mi w of Indio; Carrizo Canon 304 Comment
  UCR90974  Baccharis salicina Scott D. White 1996-2-18 3804 Riverside Perris Basin, Double Butte, NW of Winchester, SE-facing slope of west butte and alluvial soil at base 490 Comment
  CLARK-A1045-323  Baccharis sergiloides George K. Helmkamp 1977-3-20 Riverside Cabazon edge of dry wash south of Cabazon; ; Cabazon 7.5'Q Comment
  RSA0123170  Baccharis sergiloides Duncan S. Bell, Andrew Chambers 2016-12-21 10219 Riverside The Dos Palmas Preserve area, at the southern end of the Orocopia Mountains, and at the northeastern section of the Salton Sea. -41 Comment
  UCR89659  Baccharis sergiloides Bern Schwenn 1994-2-13 s.n. Riverside Colorado Desert/Santa Rosa Mtns., Santa Rosa Mtns, west fork Agua Alta Canyon. 657 Comment
  SD232171  Bahiopsis laciniata Scott D. White, Michael Honer 2003-5-27 9419 Riverside Gavilan Hills/Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and/or west of unnamed peak. 395 Comment
  UCSB10341  Baileya multiradiata Yokoyama, Howard 1953-4-11 Riverside 9 miles east of Indio Comment
  CLARK-A1528-1645  Baileya pauciradiata John C. Roos 1949-3-26 4122 Riverside Indio Comment
  JOTR16563  Baileya pauciradiata Dengler, A. 1966-3-31 46 Riverside Joshua Tree National Park. OLD DALE 609 Comment
  SD46162  Baileya pauciradiata Francia Chisaki, Howard Arnott and John Ingram 1955-4-18 631 Riverside 5.6 miles southeast of turn-off to Thousand Palms on Highway 60. Comment
  CDA10407  Baileya pleniradiata G. D. Barbe, T. C. Fuller 1973-2-28 1064 Riverside I-10 exit at road to Wiley s Well, west of Blythe. 0 Comment
  UCR138576  Baileya pleniradiata Steve Boyd, Orlando Mistretta 1986-3-13 1439 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  UCR221456  Bassia hyssopifolia Bill Wagner 2005-6-17 s.n. Riverside Peninsular Range; Gavilan Hills Region, Cajalco Flood Control Basin site (proposed, since constructed), at NE corner of El Sobrante Rd. and Cajalco Rd. 447 Comment
  POM253442  Bebbia juncea Thos. Craig, Frances Craig 1939-11 s.n. Riverside Aguanga. Comment
  UCR21794  Bebbia juncea Steve Boyd, L. LaPre 1980-9-9 s.n. Riverside Santa Rosa Mtns, Magnesia Spring Canyon 244 Comment
  UCR260869  Bebbia juncea A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-3 41563 Riverside Peninsular Range, Eastern Foot of the Santa Ana Mtns., lower Horsethief Canyon Wash just above DePalma Rd. crossing, 1/4 mile NW of Horsethief Canyon Rd. junction 375 Comment
  SEINET10616176  Bebbia juncea David B. Dunn, Howard Brown 1947-1-12 Dunn 2837 Riverside Pushawalla Canyon, Indio Hills. In dry wash. Comment
  CAS-BOT-BC100125  Bebbia juncea var. aspera Geo. B. Grant 1906-4-20 6730 Riverside Palm Springs Comment
  HSC24854  Bebbia juncea var. aspera James Henrickson 1971-4-2 5482 Riverside Hidden Oasis, 13 mi. E of Palm Spring 183 Comment
  UCR113999  Bebbia juncea var. aspera Mitch Provance 1999-3-8 1060 Riverside Jurupa Mountains, SE Pyrite Canyon (= SE end of Wilder's Cyn.), c. .3 km NW of the Jurupa Mountains Culture Center. 366 Comment
  UCR67367  Berberis nevinii Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3908 Riverside Peninsular Range, Vail Lake area, summit of 'Big' Oak Mtn, north of Lake 823 Comment
  UC19133  Bergia texana Samuel B. Parish 1891-11-5 2240 Riverside Elsinore Lake Comment
  UCR267877  Bergia texana D. E. Bramlet 2006-5-25 4001 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, east of the San Jacinto River channel and north of Nuevo Rd. bridge 430 Comment
  UCR109637  Berula erecta T. W. Fisher 1964-7-22 s.n. Riverside San Jacinto Mtns., Lake Hemet in main feeder stream 1311 Comment
  UCR40449  Beta vulgaris subsp. maritima Steve Boyd 1985-8-7 1119 Riverside Santa Rosa Plateau, Murrieta area, Clinton Keith Rd. near (just east of) Bear Creek golf course Comment
  SBBG72287  Boechera pendulocarpa R. Hoffmann 1929-9-10 Riverside San Jacinto Mtns 2438 Comment
  UCR225153  Boerhavia coccinea Steve Boyd, Gary Wallace 2005-7-30 11657 B Riverside Peninsular Ranges; San Jacinto Mountains region, Chino Canyon, southern base of the range, upper end of main parking lot at Valley (lower) station of the Palm Springs Aerial Tramway 793 Comment
  JOTR30080  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
  JEPS123547  Boerhavia triquetra T. La Doux with J. Andre 2007-9-6 134 Riverside Joshua Tree National Park. Little San Bernardino Mountains on dirt road to Lost Horse Ranger Station, below Hemmingway Buttress. Comment
  SD262318  Boerhavia triquetra var. intermedia Onkar Singh 2015-11-9 5606 Riverside Colorado Desert Region, Chuckwall valley, ca. 5 km east of Eagle Mountain Mine, Victory Pass 7.5'Q 284 Comment
  UCR264219  Boerhavia triquetra var. intermedia A. C. Sanders, Jim Malusa 2015-9-10 41866 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 0.85 mi. SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range 480 Comment
  UCR264214  Boerhavia wrightii A. C. Sanders 2015-9-12 41885 Riverside Sonoran (Colorado) Desert, Desert Center, south of I-10 at the Eagle Mountain Road junction 361 Comment
  UCR103786  Bolboschoenus maritimus subsp. paludosus Scott D. White 1994-10-17 2466 .2 Riverside Temecula Valley, Murrieta Creek channel, downstream from confluence with Santa Gertrudis Creek, south of bridge at Winchester, north of Long Valley Road. 305 Comment
  UCR130148  Bolboschoenus maritimus subsp. paludosus Joseph A. Ewan, Carl Epling 1933-5-12 7609 Riverside South shore of Lake Elsinore 378 Comment
  RSA0107463  Bouteloua aristidoides Duncan S. Bell 2011-9-30 2939 Riverside Northeastern section of the Arica Mountains; northwest section of Rice Valley; approx. 2 air miles southwest of the ghost town of Rice. 234 Comment
  UCR111989  Bouteloua aristidoides A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23370 Riverside Coachella Valley, east side of Coachella Canal between I-10 and Ave. 52, east of Coachella 24 Comment
  JEPS20782  Bouteloua aristidoides var. aristidoides Roxana S. Ferris and Rimo Bacigalupi 1958-3-19 13239 Riverside Hwy US 95 11.3 mi n Blythe (in wash arising in mountains); Big Maria Mts. Comment
  RSA780275  Bouteloua aristidoides var. aristidoides Stephanie Rockwood, Christi Gabriel 2011-10-12 101 Riverside Unnamed Road heading toward Arica Mountains. Off Blythe/Rice Road. Base of Aricas. 334 Comment
  UCR103311  Bouteloua aristidoides var. aristidoides George K. Helmkamp 1998-4-4 3162 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
  UCR90334  Bouteloua barbata Ed LaRue 1993-4-29 s.n. Riverside Sonoran (Colorado) Desert, Blythe landfill, along Blythe-Midland Road, 3 mi. south of the Big Maria Mtns, 6 mi. west of Colorado River 137 Comment
  JOTR35094  Bouteloua barbata var. barbata La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3545 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with metasedimentary rocks; exposed ridge with rocky outcrops Comment
  RSA0027475  Bouteloua barbata var. barbata Deidre Conocchioli, Sarah J. De Groot 2013-9-18 49 Riverside Valley north of Chocolate Mountain range. From Desert Center: Take I -10 West for 9.2 miles. Take exit marked Red Cloud Road. Turn left to cross under the interstate, continue over metal grate onto an unmarked, unpaved power line road for 0.2 miles., Continue over metal grate onto an unmarked, unpaved power line road for 0.2 miles. The collecting site is along the portion of the road that runs nearly parallel with an old raised railroad for a short distance before diverging. Collecting done on both sides of road. 442 Comment
  RSA716109  Bouteloua barbata var. barbata Michael Wall 2006-10-8 422 Riverside South Fork San Jacinto River east of Hemet along Hwy 74 past Cranston Ranger Station. Just off the highway towards the river. 638 Comment
  RSA780230  Bouteloua barbata var. barbata Stephanie Rockwood, Christi Gabriel 2011-10-12 114 Riverside Rice Valley. Highway 62 to to Blythe Rice Road. About 1 mile from highway. 229 Comment
  UCR195802  Bouteloua curtipendula Jim Andre, T. La Doux 2007-9-6 8705 Riverside Little San Bernardino Mountains, Joshua Tree National Park, dirt road to Lost Horse Ranger Station, below Hemmingway Buttress 1237 Comment
  UCR250318  Bowlesia incana A. C. Sanders 2014-4-8 40972 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 280 m NE of the I-15 crossing, near mouth of Mayhew Canyon 317 Comment
  UCR41245  Bowlesia incana N. M. Fellows, A. C. Sanders 1985-4-9 139 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
  UCR151383  Brachypodium distachyon Scott D. White, T. B. Salvato 2001-6-8 8584 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley 579 Comment
  JOTR28796  Brandegea bigelovii La Doux, Tasha 2005-3-30 1065 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  JOTR30072  Brandegea bigelovii La Doux, Tasha, Bill Truesdell 2006-10-3 1715 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 Comment
  UC1022805  Brandegea bigelovii Philip A. Munz 1940-3-23 15674 Riverside s of Pinto Mountains (road Dale to Cottonwood Springs); Cottonwood Springs 609 Comment
  UC131900  Brandegea bigelovii C. R. Orcutt March, 1902 Riverside Colorado Desert Comment
  UCR245250  Brandegea bigelovii Jim Andre 2012-3-19 21299 Riverside Sonoran (Colorado) Desert, north end of Orocopia Mountains, 0.5 mi. south of junction of Box Canyon Rd and I-10 Fwy, 23 miles east of city of Coachella 470 Comment
  UCR29883A  Brandegea bigelovii David J. Keil, M. G. McLeod, D. Walters 1977-3-27 12059 Riverside Sonoran (Colorado) Desert, along Box Canyon Road, c. 20 [c. 10-15] mi. ENE of Mecca in Orocopia Mtns. 274 Comment
  UCD170979  Brassica fruticulosa A. C. Sanders 2008-3-2 34418 Riverside Peninsular Range, Box Springs Mtns., Two Trees Canyon along foot trail along north side of riparian thicket, beyond the end of the old road. 428 Comment
  UCR126982  Brassica nigra A. C. Sanders, T. B. Salvato 2003-5-9 26593 Riverside San Jacinto Valley, west of Hemet, west edge of Warren Road just north of Hwy 74 (Florida Ave.) 457 Comment
  RSA0045290  Brassica nigra Margaret Murphy 1983-5-21 0037 -D Riverside Dry river wash located in the north section of parcel 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  RSA674570  Brassica tournefortii Scott D. White 2000-5-3 7765 Riverside Temecula Area: Near Wolf Valley. Valley and hillsides along unnamed tributary to Temecula Creek, directly S of Red Hawk subdivision. 351 Comment
  RSA703413  Brassica tournefortii LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1431 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground., Near 33 deg 37'32N, 115 deg 19'35W: UTM 3721895N, 655238E to 33 deg 36'52N, 115 deg 19'54: UTM 3720669N, 654757E. 480 Comment
  RSA784729  Brassica tournefortii Duncan S. Bell 2012-3-18 3196 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
  UCR104854  Brassica tournefortii George K. Helmkamp, E. A. Helmkamp 1998-2-18 2723 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; 0.3 mi south of Chuckwalla Rd. on Graham Pass Rd. 122 Comment
  RSA596108  Brickellia californica Darin L. Banks 1996-11-7 1204 B 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, 150 m E of the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 579 Comment
  LA210524  Brickellia desertorum John C. Roos; Lucille Roos 1950-9-30 4995 Riverside rocky hills midway between Steele Park and Elsinore, about 3 mi N of Elsinore 487 Comment
  RSA16813  Brickellia desertorum C. B. Wolf 1931-10-14 3900 Riverside Snow Creek 1/2 mi. below the Fish Hatchery N base of San Jacinto Mountains. 549 Comment
  RSA89873  Brickellia desertorum J. C. Roos, L. Roos 1950-9-30 4994 Riverside N base of Pigeon Pass, Box Springs Mts. 457 Comment
  UCR9106  Brickellia desertorum O. F. Clarke 1969-10-8 s.n. Riverside San Bernardino Valley Region, Riverside, UCR campus, south side of campus Comment
  UCR191204  Brodiaea santarosae Tom Chester, W. P. Armstrong, Kay Madore 2006-6-15 927 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau Ecological Reserve: Clay Hill, 0.7 km south-southwest of the northernmost high point of the Mesa de Burro 573 Comment
  SEINET7296683 Image available Bromus arenarius E. W. Lathrop 1965-1 5742 Riverside 6 miles W of Murrieta Comment
  RSA619572  Bromus carinatus var. carinatus D. L. Banks 1997-5-5 1955 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, approximately 60 m east of its intersection with Pechanga Creek 396 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
  UC76969  Bromus catharticus F. M. Reed 1903-11-30 663 Riverside Riverside Comment
  RSA0014445  Bromus diandrus Justin M. Wood 2010-3-4 1418 Riverside Prado Basin: City of Corona. Just NW of sewage treatment dike (intersection of railroad st. and Yorba St.) 160 Comment
  UCR180344  Bromus diandrus Scott D. White, Angelia Carey 2004-4-5 10027 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  RSA575997  Bromus diandrus Steve Boyd 1981-4-10 s.n. Riverside Gavilan Hills region, canyon at southeastern base of Rocky Bluff Ridge, east of Estelle Mountain and south of Gavilan Plateau. 610 Comment
  UCR126387  Bromus hordeaceus A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 697 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  RSA0000409  Bromus orcuttianus var. hallii H. M. Hall 1901-06 2301 Riverside San Jacinto Mountains. West side. 1738 Comment
  UCR162376  Bromus rubens S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, Juan Diego Flats on powerline trail west to Reed Valley, NW of Cahuilla Mountain 1244 Comment
  UCR229274  Bromus rubens Ginny Short 2011-3-23 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley; Pushwalla Canyon, c. 11 miles east of Cathedral City 183 Comment
  POM10016  Bromus rubens C. F. Baker 1909-05 s.n. Riverside Riverside. Comment
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Jun 30 2012
  RSA179513  Bromus rubens E. W. Lathrop 1960-5-10 5353 Riverside 10 miles W of Murrieta. Comment
  RSA495420  Bromus rubens Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-11 2892 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 390 Comment
  RSA0019730  Bromus tectorum Victor Duran 1932-5-18 3218 Riverside Idylwild, San Jacinto Mountains 1677 Comment
  UCR85641  Bromus tectorum A. C. Sanders 1993-4-5 13689 Riverside San Jacinto Valley, west edge of Hemet, along south side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and north of Florida Ave./ Hwy 74 460 Comment
  UC555398  Caesalpinia virgata Frank W. Peirson 1920-2-16 1993 Riverside near foot Palm Canyon Comment
  UCR166540  Caesalpinia virgata Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10878 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  UCR86192  Caesalpinia virgata A. C. Sanders 1995-5-23 17125 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fans below the Santa Rosa Mountains, near the mouth of Martinez Canyon, at end of 72nd Avenue 25 Comment
  UC215292  Calocedrus decurrens Geo. B. Grant 1901-1-1 691 Riverside San Jacinto Mts. Pacific Coast, San Jacinto Mts. 914 Comment
  RSA162810  Calochortus albus J. D. Olmsted 1959-4-30 500 Riverside Beacon Pines Ranch; 9 miles SW of Corona, Santa Ana River Drainage Area. 808 Comment
  UCR138761  Calochortus concolor Scott D. White 1997-5-18 5167 Riverside San Jacinto Mtns., Northern Escarpment south of Banning: along Hwy 243, c. 5 road mi SE of Banning and 5 road mi NW of Vista Grande 1159 Comment
  CAS-BOT-BC488542  Calochortus concolor E. K. Balls 1958-6-27 23296 Riverside Santa Ana Mts., 3.2 miles NW along Indian Truck Trail from Junction with Main Divide 853 Comment
  RSA369037  Calochortus invenustus Robert L. Rutherford 1944-7-16 1609 Riverside San Jacinto Mountains, above Pine Cove. 2073 Comment
  RSA87938  Calochortus splendens Verne Grant 1954-6-10 9393 Riverside Keen Camp Summit, San Jacinto Mountains. Alt. 4900 ft. 1494 Comment
  UCR115941  Calochortus splendens Mitch Provance 1998-6-11 676 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville; housing development now known as Southridge 320 Comment
  CAS-BOT-BC483506  Calochortus splendens Ynez Whilton Winblad 1941-5-27 s.n. Riverside San Juan Canyon, Highway 74, San Juan Mts. 609 Comment
  UCR62662  Calochortus weedii var. intermedius Gary Bell 1990-6-27 s.n. Riverside hills c. 0.75 mi west of Crown Valley, NW of Rawson Canyon 762 Comment
  RSA688839  Calochortus weedii var. weedii Scott D. White, Michael Honer 2003-6-17 9549 Riverside Murrieta. Interstate 215 / Clinton Keith interchange. 457 Comment
  UCR79209  Calochortus weedii var. weedii Steve Boyd, T. S. Ross 1992-6-10 7624 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, near the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek 405 Comment
  UCR21916  Calycadenia tenella Steve Boyd 1980-5-8 217 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 625 Comment
  JOTR01242  Calycoseris parryi Cole, James E. 1941-4-23 641 Riverside Joshua Tree National Park. WEST END OF PINTO BASIN 609 Comment
  POM13054  Calycoseris wrightii Philip A. Munz 1922-4-12 4872 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. Colorado Desert. 457 Comment
  UCR241523  Calycoseris wrightii A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40646 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit 410 Comment
  UCR279515  Calycoseris wrightii A. C. Sanders, Jim Malusa 2017-3-27 43102 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, canyon 12 km NE (46 deg. ) of Bombay Beach, on both sides of the Imperial County line 305 Comment
  UCR58337  Calyptocarpus vialis A. C. Sanders 1989-5-31 9492 Riverside Riverside, Botanic Garden of U. C. Riverside 396 Comment
  SEINET222296  Calyptridium monandrum B. Ertter, J Strachan 1979-6-26 2984 Riverside Hwy 243 near Idylwild San Jacinto Mts Comment
  SDSU19181  Calyptridium monospermum Michael G. Simpson, Jamie Hall, Michael Silveira, Lori Simpson 2007-6-16 2898 Riverside Tahquitz Meadow, San Jacinto Mountains, along trail, ca. 0.6 mile north of Pacific Coast Trail, ca. 1.2 miles northeast of Taquitz Peak. 2408 Comment
  UCR260864  Calystegia macrostegia A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41466 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 2.95 miles ESE of Cabazon, c. 0.84 mi. NNW (335 deg. ) of One Horse Spring, south of I-10 and SE of water bottling plant, edge of wind farm 452 Comment
  CAS-BOT-BC221308  Calystegia macrostegia subsp. intermedia Scott D. White 1996-4-14 3919 Riverside Perris Basin. E of Hemet: San Jacinto River Wash near Valle Vista, N of Hwy. 74, ca. 1.7 mi W of USFS Cranston Fire Station 550 Comment
  UCR94265  Calystegia macrostegia subsp. intermedia Scott D. White 1996-4-14 3919 Riverside Perris Basin/San Jacinto Mtns., E of Hemet: San Jacinto River Wash near Valle Vista, north of Hwy 74, c. 1.7 mi west of USFS Cranston Fire Station 549 Comment
  CAS-BOT-BC199285  Calystegia sepium subsp. limnophila J. C. Roos; A. R. Roos 1950-8-7 4919 Riverside Riverbottom along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River at the Mission Bridge, along bike path, vicinity of old Boy Scout camp 238 Comment
  UC310595  Camissonia Philip A. Munz 1926-1-31 9973 Riverside Dos Palmos Spring Colorado Desert Comment
  UC68590  Camissonia H. M. Hall Apr. 1905 5833 Riverside near Mecca; Colorado Desert -30 Comment
  CLARK-A1045-170  Camissonia bistorta George K. Helmkamp 1979-4-27 Riverside Santa Ana Mountains Wildomar 7.5'Q Comment
  HSC16409  Camissonia bistorta C. L. Hitchcock, C. V. Muhlick 1964-3-17 23087 Riverside 1/2 mi. SE of Glen Ivy Hot Springs Comment
  RSA466984  Camissonia bistorta H. de Forest 1929-3-16 s.n. Riverside San Bernardino Mts, San Gorgonio Pass. Comment
  UCR120948  Camissonia bistorta A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23881 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  UCR133976  Camissonia bistorta Mitch Provance, J. S. Ross 1998-3-27 MOR- 965 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, just south of the juction with the NE bound road to Deep Cyn. 915 Comment
  RSA795922  Camissonia boothii subsp. desertorum Duncan S. Bell 2009-4-19 287 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  POM201158  Camissonia brevipes subsp. brevipes Carl B. Wolf 1932-4-29 3108 Riverside Eastern Colorado Desert, 9 mi S of Brown's Well on the Blythe-Rice Road [Midland Rd]. 244 Comment
  RSA144621  Camissonia brevipes subsp. brevipes William M. Klein, David P. Gregory 1958-2-14 150 Riverside Chuckwalla Mountains. Mouth of Corn Springs. Comment
  RSA214487  Camissonia californica Donald A. Johansen, J. A. Ewan 1932-4-10 7052 Riverside San Gorgonio Pass, Cabazon 488 Comment
  UCR172716  Camissonia californica Jun Hu 2000-5-11 21 Riverside San Jacinto Valley, SE of city of Winchester, Hills N of Diamond Valley 488 Comment
  CAS-BOT-BC174795  Camissonia cardiophylla Steve Boyd; Tammy Morgan; Aydee Virgen; Sarah DeGroot; Valentin Arvizu; Tim Thibault 2004-5-14 11240 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... Comment
  RSA160027  Camissonia cardiophylla David B. Dunn 1946-2-22 1964 Riverside All American Canal catch basin from desert washes. Orocopia Mts. north east of the Salton Sea. Comment
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May 24 2012
  CSUSB197  Camissonia claviformis Shirley Hill 1963-3-13 630313 4 Riverside Desert wash at place where houses cease on Vista Chino Street, Palm Springs, about 500 yards up wash. Comment
  UCR103566  Camissonia claviformis George K. Helmkamp, E. A. Helmkamp 1998-2-18 2710 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  UCR166017  Camissonia claviformis Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  POM201060  Camissonia claviformis subsp. aurantiaca Carl B. Wolf 1932-5-25 3682 Riverside San Gorgonio Wash, on road to Snow Creek 366 Comment
  RSA135286  Camissonia claviformis subsp. aurantiaca Peter H. Raven 1958-2-15 11570 Riverside Corn Springs, Chuckwalla Mountains. Comment
  RSA286430  Camissonia claviformis subsp. aurantiaca Mary H. O Brien 1976-4-14 76- 4 -14-4 Riverside 5 meters east of dirt road, 0.6 mi. no. of Amboy Rod. and 3.6 mi. east of Adobe Road in Twentynine Palms. 595 Comment
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Mar 29 2014
  RSA462362  Camissonia claviformis subsp. aurantiaca A. N. Dunn, A. M. Martin 1932-2-26 s.n. Riverside Coachella Comment
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May 24 2012
  RSA448991  Camissonia hirtella N. C. Cooper 1944-6-4 1375 Riverside Elsinore Mountain; Lookout at top. 1067 Comment
  RSA180504  Camissonia ignota E. W. Lathrop 1959-4-16 4475 Riverside 14 miles W of Murrieta. Tenaja plateau. Comment
  UCR241105  Camissonia ignota A. C. Sanders, Timothy W. Chumley 2013-4-2 40743 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., near I-15 Fwy, SE of Corona (Lee) Lake 377 Comment
  RSA700062  Camissonia pallida Scott D. White, Michael Honer 2003-4-25 9092 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
  RSA186572  Camissonia pallida subsp. hallii Peter H. Raven 1958-5-5 12884 Riverside Joshua Tree National Monument, Salton View 1585 Comment
  HSC16496  Camissonia pallida subsp. pallida R. A. Eagle 1964-3-28 28 Riverside 1.8 mi. from turn onto Thunderbird Rd. in Palm Springs Comment
  POM305591  Camissonia pallida subsp. pallida Henry J. Ramsey, Henry J. Ramsey 1937-2-26 891 Riverside Whitewater. Comment
  POM67091  Camissonia refracta Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA449056  Camissonia refracta M. B. Dunkle 1933-3-4 3044 Riverside Sandy wash, Painted Canyon, Colorado Desert. 30 Comment
  RSA485410  Camissonia strigulosa Steve Boyd 1987-4-5 1967 Riverside Gavilan Hills - Harford Spring County Park in sandy valley at N end of park. 610 Comment
  SD124059  Camissoniopsis bistorta Robert F. Thorne, Drs. Fosberg, Sachet & Herbst 1983-4-23 55481 Riverside San Bernadino Mountains: Sandy wash along Whitewater River where road crosses river below fish hatchery. Circa 4 miles North of Whitewater Post Office. 640 Comment
  SDSU3366  Camissoniopsis hirtella H. Wedberg 1958-5-18 304 Riverside At view-type parking area west of Mountain center, San Jacinto Mountains. Comment
  UCR174564  Camissoniopsis hirtella Jennifer H. Jones, Thi (Teresa) Bui and Holly Summers 2006-5-31 342 Riverside Peninsular Ranges; San Jacinto Mtns., just down Mt. Edna Road west off of Calif. Hwy 243 1146 Comment
  UCR166113  Camissoniopsis pallida subsp. pallida A. C. Sanders, G. K. Helmkamp, P. J. MacKay, et al 1995-3-19 16160 Riverside San Jacinto Mtns foothills/Sonoran Desert, Coachella Valley; alluvial fan of Chino Canyon along the Palm Springs tram road, north of the road, 14 telephone poles above Hwy 111/Palm Canyon Dr. 300 Comment
  UCSB12572  Camissoniopsis pallida subsp. pallida Dearing, Hugh; Dearing, Margaret 1936-12-25 Riverside Long Canyon near Los Angeles Aqueduct Comment
  UC10417  Cardamine californica var. integrifolia W. H. Brewer Jan 1861 138 Riverside Agua Fria Canyon; Santa Ana Mountains Comment
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Jul 5 2010
  UCR109621  Carduus pycnocephalus R. D. Goeden, Don W. Ricker 1971-5-4 s.n. Riverside Box Springs Mtns., Highgrove, National Orange Co. property beyond E end of Palmyrita Ave. 412 Comment
  UCR26906  Carex alma A. C. Sanders 1980-7-18 1676 Riverside San Jacinto Mtns, Thomas Mountain; along a small dry creek in Spillway Canyon about 2 mi SW of Hwy 74 along Thomas Mountain Road 1463 Comment
  SBBG122758  Carex densa A. Parikh 1990-5-15 172 Riverside Santa Rosa Plateau Ecological Reserve, between Mesa de Colorado and Mesa de Burro, 0.6 km SE of jct of Tenaja Rd and Rancho California Rd 572 Comment
  POM14976  Carex fracta Mary F. Spencer 1922-6-27 1982 Riverside Dutch Flats, San Jacinto Mountains. 1220 Comment
  SEINET11125889 Image available Carex fracta P. Zika, Otting, N 2010-1 25298 Riverside San Jacinto Mountains (SnJt). N Fork San Jacinto River, Dark Canyon, at Azalea Trails Girl Scout Camp, San Jacinto Ranger District, San Bernardino National Forest. Comment
  SEINET3219439 Image available Carex fracta M. G. McLeod 1971-6-22 470 Riverside Idyllwild Comment
  POM1480  Carex praegracilis I. M. Johnston 1918-5-30 s.n. Riverside Temescal. 305 Comment
  CHSC106621  Carex sartwelliana P. F. Zika; Nick Otting 2010-8-6 25299 Riverside N Fork San Jacinto River, Dark Canyon, at Azalea Trails Girl Scout Camp, San Jacinto Ranger District, San Bernardino National Forest. 1910 Comment
  POM19849  Carex sartwelliana Mary F. Spencer 1923-6-12 2164 Riverside Idyllwild, San Jacinto Mountains. 1646 Comment
  POM49566  Carex sartwelliana Phillip A. Munz 1924-7-28 8815 Riverside Pine Flats 1738 Comment
  CAS-BOT-BC117450  Carex senta D. E. Breedlove 1961-7-29 873 Riverside Fuller Mill Creek where it crosses Riverside Hwy #1. San Jacinto Mountains. 1645 Comment
  SEINET949262  Cassia nemophila A. C. Sanders, K. C. Rose 1999-1 22794 Riverside Coachella Valley: between La Quinta and Indio, along Jefferson St. Between Ave 54 and I -10 (La Quinta 7.5) 10 Comment
  CLARK-A1528-842  Castilleja affinis Michelle Loef 1973-5-12 120573-6 Riverside San Jacinto Mountains| Mountain Center 1487 Comment
  RSA425878  Castilleja affinis Christopher Davidson 1973-4-1 1828 Riverside Jct. Vail Lake Marina and Hwy. 71/79, about 3 miles west of Aguanga. 426 Comment
  RSA221714  Castilleja applegatei subsp. martinii Noel Holmgren, Liew Fah Seong 1969-6-17 3578 Riverside County road R1, 1/4 mile above Bay Tree Spring. Comment
  RSA0010919  Castilleja densiflora subsp. gracilis B. Pitzer, E. Misqez 1988-2-28 622 Riverside 2 mi s of Rancho California Road (sw of Murrieta, Walker Basin, Avenida del Oro); Walker Basin, Avenida del Oro. Comment
  UCR116860  Castilleja exserta A. C. Sanders, Steven R. Hill 2001-5-4 24133 Riverside Santa Ana Mtns. region, W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Creek. Dr.), E side of Rancho Calif. Rd. 488 Comment
  UCR236903  Castilleja exserta Duncan S. Bell, Valentin Arvizu 2010-5-10 980 Riverside San Jacinto Mountains, San Bernardino National Forest, Garner Valley, c. 1.1 air mi southeast of junction of FS Road 6S13 and FS Road 6S04 1349 Comment
  RSA0010925  Castilleja exserta subsp. exserta Duncan S. Bell, Joy D. England 2010-5-27 1127 Riverside San Bernardino National Forest: Garner Valley, just south of junction of forest service road 6S04 and forest service road 6S13. 1340 Comment
  RSA296124  Castilleja foliolosa Barry A. Prigge 1980-8-11 3901 Riverside San Bernardino Mts, White Canyon: 3.2 miles upstream from trout farm. 963 Comment
  UCR133981  Castilleja foliolosa Mitch Provance, J. S. Ross 1998-3-27 MOR- 974 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon at mouth of Corral Canyon, c. 1 mile NW of VABM Mil (Peak 3620) 915 Comment
  UCR91591  Castilleja foliolosa D. L. Banks 1995-4-11 0181 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
  RSA783631  Castilleja martinii J. D. Olmsted 1962-5-3 3527 Riverside Along road from Santa Rosa Indian Reservation to old village, etc. At first canyon crossing to SW side. 1555 Comment
  UCR121245  Castilleja martinii Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2283 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  SD136752  Castilleja minor subsp. spiralis Steve Boyd, T. Ross, D. Bramlet 1993-5-12 7329 Riverside 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 366 Comment
  UC64209  Castilleja minor subsp. spiralis H. M. Hall 1897-6-4 Riverside Riverside Comment
  RSA0076467  Castilleja stenantha Gale Sphon 1959-5-2 320 Riverside Horsethief Canyon. Comment
  RSA336059  Caulanthus hallii R. F. Thorne, A. Shmida, R. Whittaker 1978-4-23 52071 Riverside Palms to Pines Highway: Along highway, Santa Rosa Mountains. Comment
  UCR117071  Caulanthus heterophyllus A. C. Sanders, Steven R. Hill 2001-5-4 24134 Riverside Santa Ana Mtns. region, W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Creek. Dr.), E side of Rancho Calif. Rd. 488 Comment
  UCR75039  Caulanthus lasiophyllus A. C. Sanders, E. J. Lawlor 1992-4-4 12153 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  SEINET8479414 Image available Ceanothus Unknown 1971-1 Riverside Along wash in mountains before going down into desert valley. Comment
  CAS-BOT-BC48618  Ceanothus cordulatus E. A. McGregor 1941-6-12 9 Riverside Idyllwild, San Gabriel Mountains Comment
  RSA575067  Ceanothus crassifolius Steve Boyd 1981-3-4 810304 -L 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
  UC1979529  Ceanothus crassifolius Darin L. Banks, Steve Boyd 1995-3-15 59 Riverside NW Palomar Mtns., Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. Comment
  UCR142208  Ceanothus crassifolius June Latting 1979-4-1 s.n. Riverside Box Springs Mountain 915 Comment
  VVC434  Ceanothus crassifolius Steve Boyd, K. A. Boyd 1993-3-28 7921 Riverside Palomar Mountains, Palomar Range S of Vail Lake at the N base of Agau Tibia Mt., Agua Tibia Widerness area, Cleveland National Forest. Along trail extending S from end of Woodchuck Rd 884 Comment
  UCR177119  Ceanothus cuneatus Tracy Tennant, Jeffrey Ross 1998-3-10 MOR- 1105 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon 1037 Comment
  RSA0019587  Ceanothus cuneatus var. cuneatus Diane M. Ramirez 1983-5-1 16 Riverside Poppet Flat Divide Truck Trail, 1 1/2 mi S of junction with CA Hwy 243, S of Banning. Comment
  RSA645609  Ceanothus greggii Scott D. White, Steve Ogg 1994-4-21 1973 Riverside Millard Canyon, near stream crossing w/ USFS Road 2S05, +/-4 miles south of Bear Wallow Spring. 915 Comment
  POM48336  Ceanothus greggii var. perplexans E. C. Jaeger 1925-3-1 s.n. Riverside Snow Canyon, San Jacinto Mts. 457 Comment
  CAS-BOT-BC51275  Ceanothus leucodermis Roxana S. Ferris; Ruth P. Rossbach 1938-5-20 9661 Riverside 3 miles below junction of Idyllwild Road on State Highway #74 Comment
  UC1979666  Ceanothus leucodermis Darin L. Banks, Steve Boyd 1995-3-16 98 Riverside NW Palomar Mtns., Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, Arroyo Seco drainage. Comment
  UCR140683  Ceanothus leucodermis Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 11- 79 Riverside San Jacinto Mtns, San Bernardino National Forest, 5 miles north of Idyllwild on Hwy 243, Site L11 1775 Comment
  POM254864  Ceanothus oliganthus W. Pequegnat 1940-6-19 s.n. Riverside Hagador Canyon. 1220 Comment
  HSC84007  Ceanothus oliganthus var. sorediatus Dave Hawks 1987-3-2 Riverside S of Hemet, intersection of Palm Ave. and Saddle Ridge Trail 473 Comment
  RSA569997  Ceanothus ophiochilus Steve Boyd, Kyle Boyd 1993-3-28 7912 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road. 792 Comment
  SD136148  Ceanothus ophiochilus Kirsten Winter, Deveree Volgarino 1993-3-18 Riverside Agua Tibia Wilderness, along Highway 79 south of Woodchuck Park 609 Comment
  RSA601167  Ceanothus palmeri Scott D. White 1996-8-15 4476 Riverside Idyllwild area: USFS Rd. 5S10 at jct w/ foot trail 2E16, at an intermittent stream channel. 1646 Comment
  RSA761894  Ceanothus palmeri Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 707 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UC1005025  Ceanothus papillosus W. Pequegnat Riverside 7 mi s Sierra Peak (Santa Ana Mts.); , s of Sierra Peak 1158 Comment
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Nov 20 2010
  RSA180281  Ceanothus tomentosus var. olivaceus E. W. Lathrop 1965-3-30 5592 Riverside 16 miles west of Murrieta. Comment
  UCR263227  Centaurea benedicta A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41464 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 2.95 miles ESE of Cabazon, c. 0.84 mi. NNW (335 deg. ) of One Horse Spring, south of I-10 and SE of water bottling plant, edge of wind farm 452 Comment
  UCR114617  Centaurea repens Mitch Provance 1997-5-18 1095 Riverside City of Riverside, Hillside area, near Central Ave., along the N periphery of the Riverside Airport, south of the Wall Street Journal. 250 Comment
  UCR201993  Centaurea repens John Rimoldi 2009-1-10 s.n. Riverside San Bernardino Valley Region, Riverside, Arlington area, Van Buren Blvd. at Morris St. near west end of Riverside Airport 226 Comment
  RSA500128  Centaurium venustum Steve Boyd, T. S. Ross, L. Arnseth 1989-6-10 3683 Riverside Vail Lake area, benches of Arroyo Seco and slopes of adjacent hills to E. 488 Comment
  SBBG101694  Centromadia pungens subsp. laevis S. Boyd with T. Ross 1991-6-14 6354 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
  UCR266828  Centromadia pungens subsp. laevis D. E. Bramlet 2009-9-24 4400 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, NW of Hemet, San Diego Canal right-of-way south of Esplanade Ave. and west of Warren Rd. 459 Comment
  UCR154758  Cerastium glomeratum T. B. Salvato, Kent Beaman 2005-5-16 783 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
  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
  RSA405360  Cercidium floridum M. B. Dunkle 1935-4-17 4551 Riverside W. of Wiley Well. Colorado Desert. Comment
  RSA498416  Cercidium floridum G. R. Johnstone, Johnstone 1930-4-14 14653 Riverside Shavers Well Comment
  RSA784724  Cercidium floridum Duncan S. Bell 2012-3-18 3212 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
  CSUSB1862  Cercocarpus betuloides A. H. Wheeler 1974-7-22 Riverside San Jacinto Mountains Palms To Pines Highway- Juniper Flats 1219 Comment
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Dec 4 2011
  OBI74591  Cercocarpus betuloides David J. Keil 1983-4-15 16905 Riverside E of Temecula on SR79 Comment
  CAS-BOT-BC135493  Cercocarpus betuloides var. betuloides James R. Shevock 1976-11-24 5384 Riverside Along Calif. Highway 74 near El Cariso Station - Santa Ana Mountains, Cleveland National Forest 670 Comment
  RSA773041  Cercocarpus betuloides var. betuloides Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5040 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. 732 Comment
  RSA709911  Chaenactis carphoclinia Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4615 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  SBBG65660  Chaenactis carphoclinia M. N. Ackley -Feb-1926 254 Riverside near Edom 64 Comment
  UCSB7217  Chaenactis carphoclinia Yokoyama, Howard 1953-3-21 Riverside 9 miles east of Indio Comment
  RSA0117923  Chaenactis carphoclinia var. carphoclinia Sarah J. J. De Groot, Cheryl Sevilla 2016-3-16 7640 Riverside Mecca Hills: Meccacopia Trail just east of Shaver's Well. Eastern Mecca Hills, south edge of Shaver's Valley, just west of Orocopia Mountains, east of Box Canyon, east-northeast of Mecca. 301 Comment
  UC69070  Chaenactis carphoclinia var. carphoclinia H. M. Hall 1905-4-24 5904 Riverside near Chuckawalla Springs Colorado Desert, Chuckawalla Springs Comment
  CAS-BOT-BC276918  Chaenactis fremontii F. H. Billings 1926-2-6 21 Riverside Desert near Palm Springs Comment
  HSC5291  Chaenactis fremontii R. A. Eagle 1964-3-28 12 Riverside 1 mile this side of Palm Springs Comment
  POM122615  Chaenactis fremontii Marcus E. Jones 1926-2-15 s.n. Riverside Whitewater. Comment
  POM351704  Chaenactis fremontii Chas. Gabriel 1926-2-20 237 Riverside Rincon [R. Village, Andreas Canyon] Comment
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Nov 17 2011
  RSA182341  Chaenactis fremontii J. D. Olmsted 1962-5-1 3431 Riverside 5 degrees NE slope just west of top of highest Southern California waterfall; 1/4 mi. SE of Falls Plateau, Snow Canyon N of Mt. San Jacinto 945 Comment
  RSA504982  Chaenactis fremontii D. Charlton 1988-2-25 1225 Riverside S side of Little San Bernardino Mountains, Fargo Canyon Road and Dillon Road, S side of Joshua Tree Nat'l Park, parallel to I-10, 5 miles E of jct Dillon Road and Fargo Canyon Road 610 Comment
  RSA528101  Chaenactis fremontii Steve Myers 1991-4-15 91 -21 Riverside City of Banning, W of fields Road, N of Interstate 10 & S o the Morongo Indian Reservation. 671 Comment
  UC665833  Chaenactis fremontii Ira L. Wiggins 1941-3-27 9700 Riverside slopes 4 mi n of Whitewater Comment
  UCR682  Chaenactis fremontii S. C. Warner 1956-4-28 s.n. Riverside Sonoran Desert, Small canyon in hills east of Morongo Wash Road Comment
  SEINET10798238  Chaenactis fremontii Billy Joe Cox 1975-4-23 Cox 4163 Riverside Palo Verde, 1-3 km W, (ca. 32 m S of Blythe). 70 Comment
  RSA0120305  Chaenactis glabriuscula Duncan S. Bell 2016-4-16 9324 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  CAS-BOT-BC277406  Chaenactis glabriuscula var. glabriuscula Anne Constant 1955-3-27 147 Riverside Colorado Desert. Highway 111, between Banning and Palm Springs Comment
  RSA152488  Chaenactis macrantha Rimo Bacigalupi, L. R. Heckard 1953-5-4 4066 Riverside High desert slopes at base of the Cushenberry Grade, N base of San Bernardino Mtns. 1187 Comment
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Jun 30 2012
  CLARK-A1528-186  Chaenactis stevioides Charlotte Stocks 1965-3-26 Riverside Thermal Canyon Comment
  SD247316  Chaenactis stevioides T. B. Salvato, R. T. Hawke, et al. 2013-3-8 7303 Riverside Sonoran (Colorado) Desert: south of Highway I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road about 1.4 kilometers west of its junction with Augustine Pass Road. 136 Comment
  UCR244394  Chaenactis stevioides Jim Andre 2012-4-16 20974 Riverside Southern Mojave Desert, Joshua Tree National Park; along Cottonwood Springs Rd [=Pinto Basin Rd.], c. 6 mi. south of north entrance at Twin Tanks parking area 1197 Comment
  SEINET13937053 Image available Chaenomeles speciosa Unknown Riverside Cultivated Comment
  RSA779928  Chamaesyce abramsiana Marc Baker, Alice Karl 2011-10-5 17473 Riverside Just west of Black Creek Road, 8.7 km NW of the summit of McCoy Peak, 21 km NW of Blythe, lower bajada on the east flank of the McCoy Mountains 171 Comment
  RSA0013034  Chamaesyce albomarginata LeRoy Gross, Caitlin Elam 2013-5-14 6057 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
  RSA727599  Chamaesyce micromera Naomi Fraga, Lisa Rojas 2005-2-10 1388 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  SBBG92825  Chamaesyce micromera D. Charlton 1988-2-18 1146 Riverside S side of Little San Bernardino Mtns, Fargo Cyn Rd to Cottonwood Wash, parallel to Interstate 10 609 Comment
  SEINET3228135  Chamaesyce micromera G. Rink, T. Thomas and K. Routson 2012-9-2 11658 Riverside McCoy Solar Power Plant (proposed) about 10 miles northwest of Blythe 170 Comment
  JEPS19344  Chamaesyce polycarpa I. W. Clokey and B. C. Templeton 1930-4-9 4675 Riverside n Palm Springs; Colorado Desert 180 Comment
  JEPS52387  Chamaesyce polycarpa Ethel Rockwell 400 Riverside northwest Colorado Desert, Edom Comment
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Sep 7 2011
  JOTR32615  Chamaesyce polycarpa La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2676 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  UC1130419  Chamaesyce polycarpa H. S. Yates 1936-4-7 5423 Riverside near Whitewater 304 Comment
  RSA433503B  Chamaesyce polycarpa Martha Hilend 1928-4-8 165 Riverside Lake Elsinore, about 3 miles west of lake. Comment
  POM6696  Chamaesyce setiloba P. A. Munz, L. T. Street, G. Williams 1919-3-25 2323 Riverside Palm Canyon. 213 Comment
  UC2026401  Chamaesyce setiloba Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10052 Riverside COLORADO DESERT, CHUCKWALLA MOUNTAINS: Northwest base of the range, south of Eagle Mine Road exit on Interstate 10. Comment
  UC750618  Chamaesyce setiloba Lewis S. Rose 1946-12-23 46302 Riverside Cathedral Canyon Wash 182 Comment
  RSA685677  Cheilanthes clevelandii Norman C. Cooper 1944-5-6 1193 Riverside Banning. 701 Comment
  RSA291610  Cheilanthes covillei C. W. Tilforth 1979-2-11 1744 Riverside Whitewater Canyon, east of Morongo Indian Reservation 441 Comment
  RSA543297  Cheilanthes newberryi Steve Boyd 1991-3-17 5514 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
  CAS-BOT-BC68093  Cheilanthes parryi John Thomas Howell 1928-1-31 3317 Riverside Colorado Desert - Pinto Basin Comment
  JOTR32916  Cheilanthes parryi La Doux, Tasha, Jim Andre 2009-2-28 356 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
  SEINET3870277  Cheilanthes parryi Louis C. Wheeler 1964-10-17 8638 Riverside Orocopia Mountains: South of Hayfield Reservoir (lake) Colorado Desert.; 0 Comment
  UC494456  Cheilanthes parryi Philip A. Munz 1932-5-14 11987 Riverside Deep Canyon; Coachella Valley 91 Comment
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Feb 3 2013
  UCR89550  Cheilanthes parryi A. C. Sanders, C. L. Sanders, P. J. MacKay, S. D. White, O. F. Clarke 1994-11-27 15868 Riverside San Jacinto Mtns/Colorado Desert, Palm Canyon, from Hermit's Bench upstream to just beyond the confluence with East Fork 300 Comment
  CAS-BOT-BC70377  Cheilanthes viscida Ivan Johnston 1917-4-4 1066 Riverside Palm Canyon 304 Comment
  RSA598052  Cheilanthes viscida S. B. Parish, W. F. Parish 2310 Riverside Whitewater (Desert side of San Bernardino Mts.) Comment
  UC42427  Cheilanthes viscida S. B. Parish and W. F. Parish Jan. 1880 Riverside n of Palm Springs (Whitewater Canyon) Comment
  UCR149980  Chenopodium album Scott D. White, Angelia Carey 2004-5-7 10328 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  UCR99875  Chenopodium album Scott D. White 1996-12-26 4642 Riverside Perris Basin, Perris area 442 Comment
  RSA666520  Chenopodium album var. striatum Mitch Provance 2000-11-2 2295 Riverside North Riverside: Reid Park, ca. 0.5 mi SW of the corner of Placentia Ln. and Orange St. 250 Comment
  UCR20418  Chenopodium ambrosioides Dr. H. de Forest, Jack Rempel 1933-10-29 s.n. Riverside San Jacinto Mountains, north base of mountains, Snow Creek Canyon 549 Comment
  UCR135725  Chenopodium fremontii Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9029 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 Comment
  UCR25083  Chenopodium incognitum A. C. Sanders 1980-7-18 1638 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  UCR274001  Chenopodium missouriense Mitch Provance 2012-9-11 17623 Riverside Badlands of Western Riverside County, Beaumont, near N base of Mt. Davis, near Cooper's Creek (tributary of San Timoteo Creek), about 2000 ft., along dirt road extension of Risco Circle, S of W 4th St. 762 Comment
  UCR278870  Chenopodium missouriense Mitch Provance 2012-11-10 17600 Riverside San Bernardino Valley, Riverside, Springbrook Creek (remnant) Fairmont Park, between the east side of Lake Evans and the west side of Market St. 245 Comment
  CSUSB733  Chilopsis linearis Lalo Codova 1972-7-25 S. N. Riverside Palm Springs 76 Comment
  UCR26377  Chimaphila menziesii A. C. Sanders 1981-7-11 2202 Riverside San Jacinto Mountains, Hall Canyon above the James Reserve 1768 Comment
  CAS-BOT-BC474741  Chloris truncata R. E. Riefner, Jr. 2015-10-24 15 -418 Riverside City of Perris, Trumble Rd. at Ethanac Rd., E of I-215 444 Comment
  RSA689435  Chloris truncata R. E. Riefner 2003-10-21 3 -461 Riverside Menifee Valley, along Newport Road 1 mi. E of Goetz Road intersection. 442 Comment
  POM122108  Chorizanthe brevicornu var. brevicornu Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  POM2177  Chorizanthe brevicornu var. brevicornu I. M. Johnston 1917-4-4 s.n. Riverside Near Palm Springs. Comment
  UC55792  Chorizanthe brevicornu var. brevicornu H. M. Hall May 17 1901-Jun 1 1901 1853 Riverside Palm Canyon 457 Comment
  UC849120  Chorizanthe brevicornu var. brevicornu Lewis S. Rose 1937-4-10 37184 Riverside 8 mi n Indio; n of Indio 137 Comment
  SJSU9098  Chorizanthe corrugata R. C. McGehee 1970-4-15 204 Riverside Wileys Well c. 26 mi SW of Blythe Comment
  POM12961  Chorizanthe fimbriata P. A. Munz, I. M. Johnston 1922-5-18 5318 Riverside 3 miles south of Murrieta. Comment
  RSA674955  Chorizanthe fimbriata Scott D. White, Teresa Salvato 2001-6-8 8565 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  UCR58855  Chorizanthe fimbriata Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3628 Riverside Butterfield Valley, Vail Lake area, just south of junction of Hwy 79 and road to the marina 460 Comment
  POM229024  Chorizanthe fimbriata var. laciniata P. A. Munz 1937-5-31 15116 Riverside Below Anza Tablet at head of Coyote Canyon. 1006 Comment
  RSA736037  Chorizanthe parryi var. parryi Scott D. White, Justin M. Wood 2008-4-16 11885 Riverside Perris/Elsinore Basin: Hills to the W of I-215 and S of Scott Rd. 488 Comment
  UC55752  Chorizanthe parryi var. parryi H. M. Hall May, 1901 Riverside West Riverside Comment
  UCR174176  Chorizanthe parryi var. parryi A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32575 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  CAS-BOT-BC257186  Chorizanthe polygonoides var. longispina Steve Boyd 1986-5-1 1796 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow Comment
  UCR228830  Chorizanthe polygonoides var. longispina A. C. Sanders, T. B. Salvato 2011-4-4 38973 Riverside Peninsular Range, Warm Springs Valley, 0.4 mi. WNW (276 deg. ) of intersection of Collier Ave. & Riverside Dr./Hwy 74, NE of Baker St. 387 Comment
  UCR245440  Chorizanthe polygonoides var. longispina Elizabeth A. Kempton, Eric Paul 2008-4-7 546 Riverside town of Lake Elsinore, Elsinore Peak, just SSW of antennas, near closed road, South Main Divide Road 1090 Comment
  CAS-BOT-BC246235  Chorizanthe rigida John H. Thomas 1957-3-30 6560 Riverside 8.1 miles east of Cactus City, about 20 miles east of Coachella. Colorado Desert 426 Comment
  SBBG37956  Chorizanthe watsonii T. L. Secrest 1948-4-7 Riverside above Whitewater 304 Comment
  UCR127571  Chorizanthe xanti var. leucotheca D. E. Bramlet 2003-4-18 3378 Riverside Base of San Jacinto Mtns., on spoil pile, 2,226m south of Cabazon, 2,287m northwest of Cabazon Peak, and 518m northwest of the Colorado River Aqueduct 548 Comment
  UCR50428  Chrysanthemum carinatum Claudia Petrie 1988-4-1 s.n. Riverside Experimental fields at UCR Comment
  UCR128303  Chrysanthemum parthenium Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8639 Riverside San Jacinto Mtns, Idyllwild area; 'Strawberry Fuelbreak' between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek 1646 Comment
  CAS-BOT-BC36265  Chrysolepis sempervirens F. Grinnell Jr. 1908-7-1 s.n. Riverside Tahquitz Valley 2438 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
  UCR109475  Chrysothamnus paniculatus A. C. Sanders, Pam MacKay, Tim Thomas, O. F. Clarke 1996-11-23 19656 Riverside San Bernardino Mtns., Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish hatchery, east of VAMB Captain 534 Comment
  UCR269110  Chrysothamnus paniculatus Orlando Mistretta, Duncan S. Bell, et al. 2010-4-12 4553 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 488 Comment
  UCR269873  Chylismia arenaria A. C. Sanders, Jim Malusa 2016-3-18 42372 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  UCD103715  Chylismia brevipes LeRoy Gross; Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1408 Riverside Colorado Desert. Chocolate-Chuckwalle Mountains region. Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 479 Comment
  SD258444  Chylismia brevipes subsp. brevipes J. M. Andre 2013-3-27 24818 Riverside Riverside Mountains; east side of Riverside Mountains, along Nwy 95, 13.2 miles S of Vidal Jst. Parker SW 7.5'Q 125 Comment
  UC667280  Chylismia cardiophylla subsp. cardiophylla Annie M. Alexander and Louise Kellogg 1941-5-26 2238 Riverside Monsen Canyon Colorado Desert, Eagle Mountains 975 Comment
  CAS-BOT-BC160627  Chylismia claviformis subsp. aurantiaca Milo S. Baker 1928-4-3 2838 b Riverside Tahquitz [Canon] Canyon Comment
  UC1122176  Chylismia claviformis subsp. aurantiaca H. S. Yates 1936-4-7 5441 Riverside 2 1/2 mi s Willis Palms; Thermal Quadrangle 243 Comment
  UC1184365  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-1-24 11470 Riverside on road to Cottonwood Springs 4.5 mi n State Highway 195 Comment
  HSC84150  Cirsium occidentale var. californicum A. C. Sanders, B. Pitzer 1987-4-21 7048 Riverside Box Springs Mountains, near southernmost radio towers. 793 Comment
  UCR201499  Cirsium occidentale var. californicum Scott D. White, Justin M. Wood 2008-6-17 12181 Riverside San Jacinto Mountains, Garner Valley, USFS Kenworthy Station 1402 Comment
  RSA511281  Cirsium scariosum John Adams 1966-4-28 752 Riverside Santa Rosa Plateau, 1 mile from Tenaja Campground, 11 miles from Murietta toward De Luz 762 Comment
  RSA0017423  Cistanthe ambigua Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  RSA791720  Clarkia Robert F. Thorne, Walter Wisura, David Mitchener 1982-05 55196 Riverside Cleveland National Forest: Along Ortega Hwy. 732 Comment
  UC1280013  Clarkia dudleyana Peter H. Raven with R. Snow 1957-7-26 11084 Riverside 0.9 mi n Vista Grande Ranger Station (along Banning to Idyllwild road); San Jacinto Mountains Comment
  POM3124  Clarkia purpurea subsp. quadrivulnera Jenkins, Street 1917-5-30 s.n. Riverside San Jacinto Canyon. Comment
  SD143772  Claytonia parviflora A. C. Sanders, P. MacKay, T. Thomas & O. Clarke 1997-5-4 20634 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
  UCR158133  Claytonia parviflora A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30083 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
  UCR220120  Claytonia parviflora D. E. Bramlet 1989-4-7 1819 Riverside Perris-Aguanga Basin region, Lake Skinner County Park, southeast slope of Bachelor Mountain, c. 3200 ft. NW of Rawson Canyon & 8300 ft. east of Lake Skinner dam 476 Comment
  SD73598  Claytonia parviflora subsp. parviflora Helen V. Witham 1970-5-1 848 Riverside steep north bank, Bautista Canyon, southeast of Hemet 800 Comment
  RSA0013150  Claytonia parviflora subsp. viridis LeRoy Gross, Duncan S. Bell 2013-4-30 6034 b 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
  UCR268590  Claytonia perfoliata subsp. mexicana Jim Andre 2012-6-15 30539 Riverside San Jacinto Mountains, Banning, along Hwy 243, 10.7 miles south of Interstate 10, San Bernardino National Forest 1499 Comment
  RSA117664  Claytonia perfoliata subsp. perfoliata S. S. Tillett 1956-4-8 428 Riverside At intersection of US 91 and Cal 71, SW of overpass. Comment
  RSA386223  Clematis lasiantha E. Crow 1929-4-7 292 Riverside East end of Corona Skyline Drive, Santa Ana Mountains. Comment
  POM14901  Cleome isomeris Mary F. Spencer 1922-3-27 s.n. Riverside Shavers Canyon. Mecca, Colorado Desert. Comment
  SBBG35139  Cleome lutea T. L. Secrest 1948-4-7 Riverside ca. 5 mi below Whitewater Comment
  UCR244399  Coleogyne ramosissima Jim Andre 2012-4-16 20980 Riverside Southern Mojave Desert, Joshua Tree National Park; along Cottonwood Springs Rd [=Pinto Basin Rd.], c. 6 mi. south of north entrance at Twin Tanks parking area 1197 Comment
  UCR62143  Collinsia childii Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2273 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  JEPS24217  Collinsia concolor Peter H. Raven 1958-5-18 12969 Riverside on road to Hemet 2.3 mi from Mountain Center; San Jacinto Mountains Comment
  RSA0117423  Collinsia concolor Steve D. Boyd, C. Boyd, K. Boyd, R. Noyes, L. Arnseth 1988-5-28 2263 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  RSA0117455  Collinsia concolor Duncan S. Bell, Joy D. England 2010-6-4 1259 Riverside San Bernardino National Forest: Garner Valley, approximately 3.2 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1430 Comment
  UCR227585  Collinsia concolor Duncan S. Bell, Valentin Arvizu 2010-5-24 1100 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
  POM4203  Collinsia heterophylla Robinson, Crocker 1916-3-29 s.n. Riverside Santa Ana Mountains, near Murrieta. Comment
  UCR84599  Collinsia heterophylla Scott D. White, S. Ogg 1994-4-21 1967 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  UCR160491  Collinsia parryi A. C. Sanders 1994-5-30 14612 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  UCD112182  Colubrina californica C. S. Jones 1979-3-27 41 Riverside in southeast facing canyon about 300 yards from unnamed dirt road, approximately 5 miles north of I-10, 4 miles west of Desert Center. 426 Comment
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Mar 19 2013
  SBBG87666  Condea emoryi D. Charlton 1988-2-18 1188 Riverside S side of Cottonwood Wash, 5 mi E of jct Dillon Rd and Fargo Cyn Rd 762 Comment
  UCR252808  Convolvulus simulans Ana Hernandez, Karyn L. Drennen 2014-5-9 052 Riverside Perris Aguanga Basin, Santa Ana Mountains, foothills. Sycamore Creek Conservation Easement. 40 meters east of Campbell Ranch Road, 90 meters north of intersection with Indian Truck Trail 365 Comment
  UCR125300  Conyza coulteri A. C. Sanders 2002-11-21 25647 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  UCR256333  Conyza coulteri Duncan S. Bell 2012-3-18 3201 Riverside Sonoran (Colorado) Desert, Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, c. 2.8 air miles southwest of Hidden Spring 20 Comment
  UCR35231  Cordylanthus nevinii L. B. Ziegler 1967-8-30 229 Riverside San Jacinto Mtns., Upper Strawberry Valley under Lily Rock. 1982 Comment
  RSA0010994  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Colleen Wheeler 2010-7-19 1625 Riverside San Bernardino National Forest: Garner Valley, trail to Tool Box Spring, approximately 3.1 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1440 Comment
  UCD123098  Cordylanthus rigidus subsp. setiger R. N. Raynor 1941-7-28 s.n. Riverside Highway #71 between Temecula and Aguanga. Comment
  CAS-BOT-BC287876  Coreopsis californica C. L. Hitchcock; C. V. Muhlick 1964-3-17 23091 Riverside 3 miles SE of Glen Ivy Hot Springs Comment
  UCD131009  Coreopsis douglasii Geoffrey Levin 1975-4-26 478 Riverside Mayhew Canyon Wash 1.5 mi. SE of Glen Ivy on Highway 71. Pacific Slope Drainage Area. 335 Comment
  UCSB4678  Cornus nuttallii Ralph, F. 1959-5-16 Riverside In canyon, along road to Dark Canyon Campground; in San Jacinto Mtns.; near Idyllwild 1676 Comment
  RSA645672  Coryphantha alversonii Scott D. White 1999-4-20 7269 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
  CAS-BOT-BC427596  Crassula aquatica P. A. Munz 1941-5-18 17069 Riverside North end of Santa Rosa Ranch, Elsinore Mts. 853 Comment
  CHSC463  Crassula connata S. Westerberg 1938-4-1 Riverside Lake Elsinore. Comment
  UCR22072  Crassula connata Steve Boyd 1980-4-27 133 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  UCR256778  Cressa truxillensis T. B. Salvato, Matthew Malle 2013-5-20 7580 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 Comment
  RSA721999  Crossosoma bigelovii Christopher Davidson, B. Gustafson 1977-4-7 5587 Riverside White water Canyon Rd., exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62. Near start of Angeles Crest Trail. 610 Comment
  SFV7303  Crossosoma bigelovii T. Gordon, K. Kimbrough, P. McDonald 1975-3-2 810 Riverside San Bernardino Mountains Whitewater Canyon. 762 Comment
  RSA480577  Croton californicus P. J. Remple 1942-3-3 s.n. Riverside Garnet Station. Comment
  RSA697578  Croton californicus Wilma Griset 1931-3-29 s.n. Riverside Indio (Edon) Comment
  SEINET3089965 Image available Croton californicus H. S. Gentry 1954-1 14246 Riverside NW of Aguanga along road to Sage. Comment
  UCSB3574  Croton californicus Walker, Clifford 1954-4-9 Riverside 3 miles south of Devil''s Garden between White Water Canyon and Twentynine Palms Comment
  SEINET9459115  Croton californicus I. W. Clokey 1935-4-16 6726 Riverside East of Mecca. 61 Comment
  CLARK-A1528-431  Croton californicus subsp. californicus C. M. Flanagan 1973-6-13 OO 702 Riverside Morongo Indian Reservation 1158 Comment
  RSA688911  Croton californicus var. mohavensis Scott D. White 2001-4-18 8352 Riverside Coachella Valley: Palm Springs. NE corner of Sunrise Dr. and San Raphael Dr. (Palm Springs) 152 Comment
  UCR111984  Croton setiger A. C. Sanders, T. B. Salvato 2000-5-25 23413 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR199559  Croton setiger Scott D. White, Angelia Carey 2004-7-2 10573 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  UCR220007  Croton setiger A. C. Sanders 2010-11-18 38686 Riverside Peninsular Range; western Gavilan Hills, eastern edge of Corona, north end of 'radio tower' ridge, 1.85 mi. NNE (25 deg. ) of El Cerrito, 1 mi. SSE (143 deg. ) of Home Gardens, just east of large rock quarry 488 Comment
  JOTR28756  Cryptantha angustifolia La Doux, Tasha, Bill Truesdell 2004-3-11 1037 Riverside Joshua Tree National Park. Pinto Basin; between sand hills and parking lot for Turkey Flats 487 Comment
  POM368204  Cryptantha angustifolia Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-29 7811 Riverside West of Indio, 3 miles E of Date Palm Dr. 15 Comment
  RSA798154  Cryptantha angustifolia Marc Baker, Michelle Cloud-Hughes 2011-12-18 17505 Riverside 67 km WNW of Blythe, 17 km west of Palen Pass, 27 km NNE of Desert Center. 177 Comment
  SD39167  Cryptantha angustifolia Edith A. Purer 1935-4-21 6465 Riverside Western edge of Colorado Desert near Palm Springs Comment
  UCR6094  Cryptantha angustifolia A. R. Gillogly 1966-3-10 s.n. Riverside Sonoran (Colorado) Desert, 2 mi south of Palm Desert on Hwy. 74 and 0.5 mi E '350 ft. 183 Comment
  POM368280  Cryptantha barbigera Christopher Davidson 1979-4-4 7713 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  RSA23264  Cryptantha barbigera Ernest Braunton 1940-03 2041 Riverside Fan Canyon. 20 miles NE of Indio. Comment
  RSA339315  Cryptantha barbigera R. F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54031 Riverside San Bernardino Mountains: 1/4 mile W of Whitewater P. O. and 1/2 mile W of Whitewater River 415 Comment
  UC1178556  Cryptantha barbigera Peter Kamb 1948-4-11 880 Riverside e of Garnet (aqueduct road); Coachella 304 Comment
  UC809722  Cryptantha barbigera Philip A. Munz 1949-4-13 13045 Riverside above Cottonwood Springs (w end Eagle Mts.); Colorado Desert, Eagle Mts. 1097 Comment
  JOTR35277  Cryptantha barbigera var. fergusoniae Andre, Jim 2012-4-16 20975 Riverside Joshua Tree National Park. along Cottonwood Spring Road, approx. 6 mi. south of the North Entrance at Twin Tanks parking area. 1196 Comment
  JOTR36479  Cryptantha barbigera var. fergusoniae La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3192 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Smithwater Canyon, below steep rock wall at bend in canyon (Biodiversity Hunt stop3) 1241 Comment
  UCR260836  Cryptantha barbigera var. fergusoniae A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41517 Riverside San Gorgonio Pass, 2.5 miles ESE of Cabazon, north of the San Gorgonio River wash on the alluvial slope east of the water bottling plant and Elm St. 463 Comment
  JOTR29581  Cryptantha circumscissa Andre, Jim 2006-4-6 6694 Riverside Joshua Tree National Park. Wilson Canyon, along Pinto Basin Rd 865 Comment
  SEINET3083688 Image available Cryptantha circumscissa A. C. Sanders, J. Dice, K. Rose, & D. Woodard 1995-3-29 16259 Riverside San Jacinto Mtns./San Gorgonio Pass: alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village. Comment
  UCR244473  Cryptantha circumscissa var. circumscissa Jim Andre 2012-4-16 20944 Riverside Joshua Tree National Park;, along Geotour Road, at SW end of one-way loop in Pleasant Valley at foot drainage below Pinyon Well, c. 7.5 mi. south of paved National Park Loop Rd. 1095 Comment
  UCR140302  Cryptantha corollata A. C. Sanders 2004-4-9 27455 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks 518 Comment
  POM368272  Cryptantha decipiens Anstruther Davidson 1893-04 s.n. Riverside Palm Springs. Comment
  UCR174946  Cryptantha decipiens Jennifer H. Jones, Toby Bartels 2006-4-23 276 Riverside Transverse Ranges; San Bernardino Mtns., Banning Pass, NE of Cabazon along powerline road and in Deep Canyon 744 Comment
  OBI38928  Cryptantha dumetorum A. C. Sanders, B. Pitzer & D. Charlton, D. Charlton 1986-3-1 6010 Riverside Chuckwalla Valley, 1 mi W of Hayfield Lake, 2 mi SW of the pumping station on a small cutoff rd from Hayfield rd to the dirt rd to the Colorado River Aqueduct (T5S, R13E, SW 1/4 sec 30) 427 Comment
  UC604898  Cryptantha intermedia Roxana S. Ferris and Ruth P. Rossbach 1938-5-20 9665 Riverside foot of grade, State Highway 74, along San Jacinto River San Jacinto River Comment
  UCR162925  Cryptantha intermedia B. G. Pitzer, Stu Hemstreet 1992-5-21 1935 Riverside Santa Ana Mtns., Cleveland National Forest, State Hwy 74, 1 mi. uphill of the 2,000 ft. marker & to the left 0.1 mi. on an old paved road 762 Comment
  UCR23587  Cryptantha intermedia John C. Roos 1950-4-22 4746 Riverside Pigeon Pass. 457 Comment
  UCR44201  Cryptantha intermedia A. C. Sanders 1986-6-1 6538 Riverside San Jacinto Mtns., trail to Spitler Peak from the Herkey Creek Camp to Bonita Vista road [=Apple Canyon Rd.] 1829 Comment
  UCR58484  Cryptantha intermedia Ed LaRue 1989-5-17 s.n. Riverside San Bernardino Mtns, hills east of Beaumont, along Potrero Creek, one-half mi. east of old San Jacinto Nuevo Y Potrero land grant 701 Comment
  UCR92205  Cryptantha intermedia D. L. Banks, Steve Boyd 1995-5-3 0247 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
  POM9602  Cryptantha intermedia I. M. Johnston 1920-5-8 s.n. Riverside Butte due west of Lakeview Comment
  RSA499627  Cryptantha maritima Robert Gustafson 1983-3-27 2488 Riverside Dry rocky canyon southwest of Lake Cahuilla . Comment
  SBBG104070  Cryptantha maritima A. C. Sanders, E. J. Lawlor 1992-4-4 12103 Riverside within 0.5 mi of McCoy Spring; alluvial slopes below and to the S and cyn bottom above the spring 243 Comment
  UCR163920  Cryptantha maritima A. C. Sanders, P. J. MacKay, Tim Thomas 2005-2-26 29141 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  POM126211  Cryptantha micrantha E. E. Schellenger 1911-4-25 s.n. Riverside Whitewater wash north of Palm Springs. Comment
  RSA692256  Cryptantha micrantha Scott D. White, Michael Honer 2003-4-25 9124 Riverside San Bernardino Mtns.: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of raod, on alluvial fan adjcent steep east-facing mountain slope. 610 Comment
  GMDRC2051  Cryptantha micrantha var. lepida J. Andre 2006-4-26 6769 Riverside Little San Bernardino Mountains: Joshua Tree National Park: ridgetop, W. of upper Long Canyon, approx. 0.5 mi. S. radio tower and of NE corner (boundary) of park Near 34.06663 deg. N 1116.44661164471 deg. 43681' W. Elev. 44661 ft. 1325 Comment
  SEINET4073493  Cryptantha micrantha var. lepida C. Davidson 1975-1 2819 Riverside Two miles north of Alandale Station on road R1 from Idylwild to Banning. 1645 Comment
  UCR98694  Cryptantha microstachys 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
  UC24695  Cryptantha muricata H. M. Hall 1901-6-1 2052 Riverside vicinity Chalk Hill; San Jacinto Mountains 1524 Comment
  UCR104894  Cryptantha muricata A. C. Sanders 1997-3-19 20010 Riverside Lake Skinner area, slopes north of Tucalota Creek c. 3/4 mi. (1.25 km) east of the lake 470 Comment
  UCR262570  Cryptantha muricata var. denticulata T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3751 Riverside San Jacinto Mountains, San Jacinto River Canyon, c. 0.16 mi south-southwest of the dirt parking area at the head of the South Fork Trail (FSR 2E17) from Hwy 74 1250 Comment
  RSA0014945  Cryptantha muricata var. jonesii LeRoy Gross, Evan Meyer 2013-5-21 6114 Riverside West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley. Started near 33.72895N, 116.73415W. And ended at Inspiration Point. 1631 Comment
  SBBG87639  Cryptantha muricata var. muricata A. C. Sanders 1986-6-1 6537 Riverside trail toward Spitler Pk from the Turkey Crk camp to Bonita Vista rd 1706 Comment
  UCR213400  Cryptantha nevadensis var. nevadensis A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37461 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  OBI66288  Cryptantha pterocarya LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1464 Riverside Colorado Desert; Chocolate-Chuckwalla Mts region; Corn Springs campground in the Chuckwalla Mts. cyn SW of campground. UTMs 3721895N, 355238E; and UTM 3720669N, 654757e 549 Comment
  SDSU18703  Cryptantha pterocarya f. pterocarya Kristen Hasenstab, M. G. Simpson 2008-4-2 62 Riverside Joshua Tree National Park. Hidden Valley, 0.22 miles west of the Hidden Valley Picnic area, west of the Hidden Valley Nature Loop Trail. Underneath Salizarea mexicana, amongst large boulders. 1294 Comment
  HSC79081  Cryptantha racemosa G. K. Helmkamp 1984-5-5 - 4 Riverside Little San Bernardino Mtns., Big Morongo Canyon, 4 mi. below the caretaker's house at the Big Morongo Preserve 549 Comment
  RSA99143  Cryptantha racemosa Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring, Chuckwalla Mountains, Colorado Desert. Comment
  UCR178325  Cucurbita foetidissima Tracy Tennant, Jeffrey Ross 1998-7-21 MOR- 662 Riverside San Bernardino Mtns., Morongo Indian Reservation, lower Potrero Canyon 793 Comment
  RSA298979  Cucurbita palmata W. L. Jepson 1912-10-28 5234 Riverside Riverside Mtsn. 91 Comment
  RSA5153  Cucurbita palmata C. B. Wolf 1932-4-27 1474 Riverside Colorado Desert, 14 miles E. of Mecca on Blythe Road 152 Comment
  RSA85825  Cupressus forbesii F. W. Peirson 1922-5-28 3058 Riverside Canyon floor in canyon east from Santa Ana River Canyon. at 400 ft. 121 Comment
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Feb 28 2013
  RSA180509  Cuscuta californica E. W. Lathrop 1965-3-25 5683 Riverside 4 miles south of Murrieta on the De Luz road. Comment
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Jul 7 2012
  RSA617439  Cuscuta campestris Scott D. White 1994-10-21 2505 Riverside Murrieta Creek channel downstream from Santa Gertrudis Creek confluence. S of bridge at Winchester; N of Long Valley Rd. 305 Comment
  RSA71003  Cuscuta ceanothi F. W. Peirson 1924-7-29 5036 Riverside Banning to Idyllwild Rd. 1555 Comment
  JOTR01120  Cylindropuntia bigelovii Cole, James E. 1941-5-21 764 Riverside Joshua Tree National Park. CHOLLA GARDENS, PINTO BASIN 487 Comment
  SEINET5624453 Image available Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2012-3-25 17525 .4 Riverside Northeast end of Chuckwalla Mountains, 11km SSE of Desert Center, 70km west of Blythe, two-track branching south from Corn Spring Road, 1.1 km W of Corn Spring Campground, 400m south of Corn Springs Wash; Pilot Mountain 1.5' USGS topographic quadrangle 527 Comment
  SEINET191823  Cymopterus panamintensis var. acutifolius Annie M. Alexander, Louise Kellog 1941-5-26 2239 Riverside Monsen Canyon Eagle Mtns Colorado Desert 975 Comment
  UCD60092  Cynodon dactylon E. W. Lathrop 1965-5-24 5379 Riverside 14 miles west of Murrieta. 548 Comment
  UCR124136  Cyperus eragrostis Steve Boyd, T. S. Ross 1989-8-28 3792 Riverside Peninsular Range, Vail Lake area, Temecula Creek at confluence w/ the lake & adjacent sedimentary hills to the east. 488 Comment
  UCR176767  Cyperus eragrostis G. S. Nuessly 1980-11-11 s.n. Riverside Riverside: U.C. Riverside campus, near Health Center 351 Comment
  UCR77594  Cyperus eragrostis Steve Boyd 1991-7-13 6408 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
  RSA500204  Cyperus erythrorhizos Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3540 Riverside Vail Lake area, pond and freshwater marsh in Kolb Crk. just south of the lake. Comment
  SD257107  Cyperus involucratus Mitch Provance 2012-11-9 612 52 Riverside San Bernardino Valley: Box Springs Canyon, SW base of the Box Springs Mountains, E side of Interstate 215, 0.25 mile SE of the intersection of Gernart Rd and Watkins Drive (Riverside East 7.5'Q) 422 Comment
  RSA404180  Dalea mollis N. C. Cooper 1949-4-8 3237 Riverside Mecca Pass east of Indio. 548 Comment
  UC1922904  Dalea mollis Scott D. White, Jennifer H. Jones 2005-4-12 10865 Riverside Coachella Valley: Indio area, vacant land NorthEast of the I-10 Freeway interchange at Jefferson. (Myoma, La Quinta) Comment
  UCR108722  Dalea mollis Scott D. White 1998-3-3 6087 Riverside Sonoran (Colorado) Desert, La Quinta/ Palm Desert area, Whitewater River channel at and near Miles Avenue crossing. 30 Comment
  RSA91430  Dalea mollis F. W. Peirson 1932-3-22 9811 Riverside 20 miles North of Blythe on the road to Needles, Eastern Riverside. 152 Comment
  POM307229  Dalea mollissima Henry J. Ramsey, Henry J. Ramsey 1940-3-14 1992 Riverside North of Blythe. Comment
  HSC92890  Datura wrightii Scott D. White 1996-9-22 4528 Riverside Lakeview Mtns.: N of Homeland, along Juniper Flats Rd., 1.2 mi. N of intersection with Hwy. 74, drainage channel parallel to the road 500 Comment
  UCR230920  Datura wrightii T. B. Salvato, Richard Camacho 2011-6-12 5483 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
  RSA735925  Daucus pusillus Scott D. White, Justin Wood 2008-5-29 12046 Riverside West of Beaumont, near SR-60 crossing over San Timoteo Creek. 610 Comment
  UCR187479  Daucus pusillus Theresa Johnson 2006-5-10 090 Riverside Peninsular Range, Alberhill, old clay mine area off Coal Road, north of Terra Cotta 488 Comment
  CAS-BOT-BC294110  Deinandra kelloggii H. M. Hall 1905-6-1 6239 Riverside Hills east of Riverside Comment
  CAS-BOT-BC294113  Deinandra kelloggii H. A. Dutton 1899-6-12 s.n. Riverside Warm Springs Valley, Elsinore Comment
  SBBG122766  Deinandra kelloggii A. Parikh 1990-6-12 176 Riverside E of Diamond Valley Lake, 0.2 km S of Gibbel Rd, just W of State Street 486 Comment
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Apr 29 2011
  RSA674656  Deinandra mohavensis Scott D. White 2000-8-22 8120 Riverside Gibbel Flat in the Santa Rosa Hills. 610 Comment
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Dec 16 2012
  UCR274535  Deinandra paniculata Mitch Provance, Ken Halama 2003-6-15 17067 Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  SD128263  Delphinium parishii subsp. subglobosum R. Mitchel Beauchamp 1971-5-16 2426 Riverside Santa Rosa Mountains, north side among shrubs, Ribbonwood. 1175 Comment
  SBBG122777  Delphinium parryi A. Parikh 1990-4-17 152 Riverside 0.4 km S of Potrero Crk, 4.1 km ENE of Gilman Hot Springs 665 Comment
  UCR110965  Delphinium parryi subsp. parryi George K. Helmkamp 1998-6-27 4095 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  CSUSB1037  Dendromecon rigida P. A. Rauch 1966-4-30 Riverside At road elevation 3600 feet Banning- Idyllwild Highway (about 8 miles from Banning). 1097 Comment
  UC855085  Dendromecon rigida P. A. Munz and I. M. Johnston 1922-5-19 5406 Riverside canyon bed near mouth of Strawberry Creek; San Jacinto Canyon 762 Comment
  RSA433244  Dendromecon rigida subsp. rigida E. C. Jaeger 1921-6-15 s.n. Riverside San Jacinto Mountains 1524 Comment
  RSA563901  Deschampsia danthonioides A. C. Sanders 1993-4-5 13696 Riverside Western edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74)., (Near 33 deg 46'N, 117 deg 03'W) 460 Comment
  UC817108  Deschampsia danthonioides P. A. Munz and I. M. Johnston 1922-5-19 5377 Riverside Menifee Valley Comment
  HSC6715  Descurainia pinnata C. L. Hitchcock, C. V. Muhlick 1964-3-22 23247 Riverside Side canyon near S entrance to Joshua Tree National Monument Comment
  RSA775969  Descurainia pinnata Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 860 Riverside Chuckwalla Mountains, Chuckwalla Mountains Wilderness, off Corn Spring Road, main wash adjacent Corn Spring Road, draining from Corn and Aztec Springs up on Chuckwalla, flowing NNE 396 Comment
  RSA777344  Descurainia pinnata Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4708 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 W116.65120 604 Comment
  RSA0120473  Descurainia pinnata subsp. brachycarpa Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9099 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.75 air miles southeast of the summit of Martinez Mountain. 550 Comment
  POM13863  Dicentra chrysantha P. A. Munz 1922-4-29 5083 Riverside West of Lake Elsinore; base of elsinore mountains. 488 Comment
  UCR281800  Dicentra chrysantha Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-24 517- 127 Riverside Menifee Valley, Menifee, S. side of Bundy Canyon Rd., vicinity of 'Moss Road'. 527 Comment
  POM19845  Dichelostemma capitatum subsp. capitatum Mary F. Spencer 1923-7-7 2257 Riverside Idyllwild, San Jacinto Mtn., 1646 Comment
  CAS-BOT-BC292182  Dicoria canescens Marcus E. Jones 1924-12-10 s.n. Riverside Banning Comment
  CAS-BOT-BC292191  Dicoria canescens Marcus E. Jones 1924-10-1 s.n. Riverside Whitewater Comment
  POM202563  Dicoria canescens Marcus E. Jones 1933-11-7 s.n. Riverside Cabazon Comment
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Sep 16 2011
  POM48478  Dicoria canescens F. W. Peirson 1924-12-30 5425 Riverside Thousand-Palms Canyon, Colorado Desert 122 Comment
  SD255089  Dicoria canescens Duncan S. Bell 2010-10-23 1991 Riverside East side of Arica Mountains; west side of Rice Valley; abaout 3 air miles south of the ghost stown of Rice. 227 Comment
  UC1080458  Dicoria canescens P. C. Everett and E. K. Balls 1958-4-29 23024 Riverside 5.3 mi ne Desert Center (along road to Rice and Vidal Junction) 243 Comment
  UCR132488  Dicoria canescens Michael D. Wilcox 2003-6-26 s.n. Riverside Sonoran (Colorado) Desert, Thousand Palms Oasis 152 Comment
  CAS-BOT-BC292250  Dieteria asteroides var. asteroides H. M. Hall 1905-4-1 5920 Riverside Colorado Desert. Paloverde [Palo Verde] Valley 91 Comment
  UCR150041  Digitaria sanguinalis Scott D. White, Brian Leatherman 2004-10-7 10768 Riverside Perris Basin, city of Perris, immediately east of the I-215 Freeway, at Watson Road 434 Comment
  RSA0019284  Diplacus brevipes N. C. Cooper 1944-6-17 1424 -A Riverside San Jacinto Mtns. above Banning. 1220 Comment
  RSA682566  Diplotaxis muralis A. C. Sanders 2002-11-17 25624 Riverside San Bernardino/Santa Ana River Valley Region: Riverside, UCR Botanical Garden, near the west fence above the Latin American section. 366 Comment
  JEPS2749 Image available Ditaxis claryana Marjorie D. Clary 1932-12-16 1707 Riverside 10 mi w Coachella (on bajadas at foot of Santa Rosa Mts.); Colorado Desert; Santa Rosa Mts., W of Coachella, Colorado Desert 91 Comment
  POM13723  Ditaxis lanceolata E. C. Jaeger 1921-3-13 54 Riverside Red Rock Canyon near Mecca, Colorado Desert. Comment
  POM2688  Ditaxis lanceolata I. M. Johnston 1917-4-4 s.n. Riverside Andreas Canyon 274 Comment
  RSA5554  Ditaxis lanceolata B. D. Stark 1932-6-15 3735 Riverside Base of Eagle Mountains above Utopia, Colorado Desert. 229 Comment
  UCR41800  Ditaxis lanceolata A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6026 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  UC570801  Ditaxis neomexicana H. L. Mason 1928-3-10 4223 Riverside Hidden Springs Canyon Coachella Mts., Hidden Springs Canyon Comment
  RSA775099  Ditaxis serrata Duncan S. Bell, Michael Hee 2011-3-18 2054 Riverside Chuckwalla Mountains; north side of mountain range approximately 3 air miles southeast of Desert Center. 392 Comment
  RSA799922  Ditaxis serrata var. serrata Justin M. Wood, D. M. Ray 2011-4-28 3833 Riverside Sonoran Desert: Chuckwalla Valley: 6.5 miles north of Desert Center on Kaiser Road, +/- 0.4 miles northeast of bend in road. 202 Comment
  CAS-BOT-BC43640  Dithyrea californica E. A. McGregor 1917-3-19 775 Riverside Indio Sands. Comment
  RSA663845  Dithyrea californica C. R. Annable 1995-3-16 2296 Riverside Ca. 13 km NE of Desert center on Hwy 177. Comment
  SEINET3195132 Image available Dithyrea californica Andrew C. Sanders 2010-3-15 37417 Riverside Sonoran (Colorado) Desert; pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe (Roosevelt Mine 7.5' Q.) 134 Comment
  UCR196385  Dithyrea californica Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Pesach Lubinsky 2005-2-10 1427 Riverside Northeastern Colorado Desert, along Palen Pass Road, near Hwy 177 170 Comment
  SEINET5342915  Dithyrea californica N. H. Holmgren, Patricia Kern Holmgren; Ruth E. Kern 1973-3-22 6453 Riverside Rice Valley, 7 miles south-southwest of Rice. 274 Comment
  RSA674926  Dodecatheon clevelandii Scott D. White, Pam De Vries 2000-4-25 7726 Riverside Temescal Valley: Corona area, eastern foothills of Santa Ana Mountains just above citrus groves. 412 Comment
  RSA462211  Dodecatheon redolens F. W. Peirson 1924-7-27 4999 Riverside Deer Springs, San Jacinto Mountains. Comment
  UCSB52638  Downingia cuspidata Thorne, Robert; Thorne, M.; Wisura, Walter 1978-5-21 Riverside Santa Rosa Plateau; Mesa de Colorado 609 Comment
  RSA593782  Draba cuneifolia Jeri Hirshberg 1995-5-19 278 Riverside San Jacinto Mountains, Garner Valley. Comment
  RSA614301  Draba cuneifolia D. L. Banks, Victor Steinmann 1997-3-13 1507 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  RSA709974  Draba cuneifolia Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4592 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  RSA125540  Drymocallis glandulosa R. Weatherby 1949-6-6 654 Riverside Santa Rosa Mts. 1982 Comment
  UCR264471  Dryopteris arguta S. J. Myers, Vesta A. Myers, Bill Hopson 2015-1-2 1075 Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon, upper part of canyon, near Corona 732 Comment
  SEINET10794022  Dryopteris arguta George Yatskievych, K. G. Preston, Mafham 1981-4-26 Yatskievych 81 -143 Riverside State Highway 74, 5.8 mi. SW of El Carizo Guard Station. San Juan Canyon; Santa Ana Mountians. T06S R05W S31 - NE4. 500 Comment
  SBBG119390  Dudleya lanceolata A. C. Sanders, T. B. Salvato 2003-5-21 26788 Riverside Wildomar, old ranch parcel SE of Wesley St and SW of Laguna Rd, W of Orange St, NE of Palomar St 402 Comment
  RSA574737  Dudleya multicaulis 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
  CLARK-A1528-1172  Dudleya saxosa Paul M. Estes 1962-5-4 134 Riverside 1219 Comment
  CLARK-A1656-641  Dudleya saxosa Kay Trenholme 1978-5-5 Riverside Snow Creek 381 Comment
  CAS-BOT-BC109606  Dudleya saxosa subsp. aloides C. B. Wolf 1932-5-25 3690 Riverside Gilman Ranch in foothills north of Banning. 1463 Comment
  POM13093  Echinocereus engelmannii P. A. Munz, D. D. Keck 1922-4-9 5013 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  UCR246423  Echinochloa colona S. J. Myers 2013-10-10 s.n. Riverside Perris-Aguanga Basin Region, Moreno Valley, intersection of Kitching St. and Globe St., between Perris Blvd. and Lake Perris, N of Ramona Expressway 447 Comment
  CAS-BOT-BC197075  Echinochloa crus-galli S. B. Parish 1913-9-20 8618 Riverside Mecca, Salton Sink 57 Comment
  UC39152  Echinochloa crus-galli E. L. Koethen 1897-8-12 8 Riverside Riverside Comment
  RSA522095  Echinochloa crus-galli Steve Boyd, Orlando Mistretta 1989-7-18 3763 Riverside Vail Lake area, confluence of Kolb Creek with lake. 426 Comment
  UCD169372  Ehrharta longiflora Tom Chester 2005-4-15 580 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Margarita Ecological Reserve: Temecula Gorge, south side. 239 Comment
  RSA234014  Elatine californica R. F. Thorne, E. W. Lathrop 1969-5-12 37921 Riverside Santa Ana Mountains, Santa Rosa Plateau, Mesa de Colorado, Rancho California. 624 Comment
  RSA234019  Elatine chilensis R. F. Thorne, E. W. Lathrop 1969-5-12 37939 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California. 625 Comment
  UCR185172  Eleocharis bella Naomi Fraga, Et al. 2006-7-11 1727 Riverside San Jacinto Mountains, Mount San Jacinto State Park, Hidden Lake 2652 Comment
  CAS-BOT-BC112767  Eleocharis macrostachya Philip Alexander Munz; Ivan Murray Johnston 1922-5-18 5323 Riverside 1/2 mile south of Lake Elsinore, mud flat. Comment
  UCR59673  Eleocharis montevidensis Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3548 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, pond and freshwater marsh in Kolb Creek, just south of the lake Comment
  RSA335009  Eleocharis radicans Steve Boyd 1985-8-7 1108 Riverside Santa Rosa Plateau region, NW base of Redonda Mesa on Tenaja Rd., 0.8 miles east of junction with 8S01 and 8S02. Comment
  RSA544432  Eleocharis radicans Steve Boyd, Timothy S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6339 Riverside Skunk Hollow area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aquaduct. Comment
  UCR2353  Elymus condensatus F. M. Reed 1907-6-9 1399 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside, roadside north of Fairmont Park 274 Comment
  CAS-BOT-BC227736  Elymus elymoides Robert F. Thorne; J. P. Simon; C. W. Tilforth 1969-6-24 38108 Riverside San Bernardino National Forest, San Jacinto Mts.: Above James Reserve in Hall Canyon 1676 Comment
  POM12147  Elymus elymoides Mary F. Spencer 1921-6-16 1694 Riverside Near Idyllwild, San Jacinto Mountains 1616 Comment
  RSA741029  Elymus stebbinsii Scott D. White, Justin M. Wood 2008-6-17 12152 Riverside South of Hwy 79 near Keen Camp Summit. 1402 Comment
  SEINET3222769 Image available Elymus triticoides Steve Boyd 1985-7-23 1006 Riverside De Luz Rd, 5.5 mi W of Rancho California. 400 Comment
  OBI32762  Emmenanthe penduliflora Richard L. Irwin 1962-4-21 39 Riverside Beneath center of Crestomore Rd bridge over Santa Ana River and ca 100 ft W 244 Comment
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Aug 24 2013
  SD216486  Emmenanthe penduliflora Jay B. Walker 1995-5-4 1415 Riverside San Bernardino National Forest. Highway 74, 3 kilometers east of junction with Santa Rosa Mountain Road. 1399 Comment
  UCD119202  Emmenanthe penduliflora Steve Boyd; Tim Ross, Laurel Arnseth 1989-4-1 3158 Riverside Vail Lake area. 487 Comment
  UCR107412  Emmenanthe penduliflora B. G. Pitzer 1997-3-23 2964 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
  JOTR30211  Emmenanthe penduliflora var. penduliflora Leary, Pat 1974-3-17 334 Riverside In wash area 0.5 mi West of junction of U.S. 60 and CA State Hwy 195 near southern end of Joshua Tree National Monument; T6S R11E sec 14. NOT IN JOSHUA TREE NATIONAL PARK. 472 Comment
  POM11524  Encelia actoni P. A. Munz 1922-7-3 5961 Riverside S slopes of Santa Rosa Mts. 1676 Comment
  POM356673  Encelia actoni Norman C. Cooper 1949-6-3 4150 Riverside Temecula 762 Comment
  POM4934  Encelia actoni Jenkins, L. T. Street 1917-5-30 s.n. Riverside San Jacinto. Comment
  POM98992  Encelia actoni E. C. Jaeger 1926-3-24 s.n. Riverside Eagle Mts, Eastern Riverside County. 762 Comment
  SDSU3821  Encelia californica S. J. Barnhart 1966-4-17 660417 -17 Riverside South-west facing slope of small hill 0.1 mi. east of McAllister St. along the Metropolitan Water Co. Untility Road (dirt), which is 1.5. south-east of the intersection of McAllister St. and Victoria Ave. 457 Comment
  CHSC46063  Encelia farinosa Troy Griffiths 1988-4-1 104 Riverside Vic. of Living Desert Reserve, ca. 3 mi se of Palm Desert. 45 Comment
  RSA0049914  Encelia farinosa Jim Andre 2014-1-27 26675 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  RSA770315  Encelia farinosa Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4405 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  SD187348  Encelia farinosa Naomi Fraga, Lisa Rojas 2005-2-10 1374 Riverside Northeastern Colorado Desert: Just north of Palen Pass Road, ca. 10 miles east of Highway 177. 365 Comment
  UC1777712  Encelia farinosa Donald W. Kyhos 1965-5-11 65 -211 Riverside mouth of Whitewater Canyon; Palm Springs Comment
  UC1922403  Encelia farinosa Naomi Fraga, Lisa Rojas 2005-2-10 1374 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCD131211  Encelia farinosa Gordon Pilone 1961-3-1 97 Riverside White Water Canyon, one-half mile below fish hatchery. 457 Comment
  POM182067  Encelia farinosa var. farinosa P. A. Munz 1932-3-14 11983 Riverside Colorado Desert, Coachella Valley, Deep Canyon. 152 Comment
  SD240854  Encelia farinosa var. phenicodonta Dave Silverman, Mark Bibbo 2010-3-31 7837 Riverside UTM in Supplement. Southern McCoy Mtns, east bajada flank, 1.5 km west of Black Creek Rd, 6.5 km north of I-10, and 6.9 km EME of McCoy Pk. 177 Comment
  CAS-BOT-BC131424  Encelia frutescens Frank W. Peirson 1922-4-12 s.n. Riverside 30 miles south of Coachella Comment
  CAS-BOT-BC131427  Encelia frutescens Mrs. E. C. Van Dyke 1928-7-1 s.n. Riverside Near Idyllwild, along road Comment
  RSA795739  Encelia frutescens Jim Andre 2012-3-18 21290 Riverside Palen Valley; along Rice Road (Highway 177) east of Coxcomb Mountains, 9.6 miles south of Highway 62. 208 Comment
  UCR147745  Encelia frutescens Steve Boyd, Et al. 2004-5-14 11263 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range 570 Comment
  NY688828  Ephedra aspera L. C. Wheeler 1956-2-24 7175 Riverside Pines to Palms Highway, ca. 0.45 mile downhill from 3000 ft. marker. Comment
  UCR185109  Ephedra aspera LeRoy Gross, L. Lubinsky, V. W. Steinmann, L. L. Worlow 2005-2-17 1434 b Riverside Chocolatte-Chuckwalla Mountains, Colorado Desert; Corn Springs Campground in the Chuckwalla Mountains. Canyon SW of Campground 549 Comment
  CAS-BOT-BC81535  Ephedra californica Lewis S. Rose 1940-3-13 40113 Riverside [Whitewater] White Water 60 Comment
  POM14278  Ephedra californica Philip A. Munz, I. M. Johnston 1922-5-7 5286 Riverside Between Whitewater & Mission Creeks. Dry rocky mesa. 366 Comment
  POM299276  Ephedra californica A. M. Alexander, Louise Kellogg 1941-5-15 2183 Riverside north base of Eagle Mountains. 915 Comment
  RSA383874  Ephedra californica A. Menke 1955-5-22 s.n. Riverside Palm Springs Station. Comment
  RSA383879  Ephedra californica Claire Kibbe 1936-07 s.n. Riverside Palm Springs. Comment
  CAS-BOT-BC81683  Ephedra fasciculata Ivan Johnston 1917-4-4 1048 Riverside Palm Canyon 457 Comment
  CAS-BOT-BC81872  Ephedra trifurca Philip A. Munz 1941-4-5 16693 Riverside sand dunes southeast of Iron Mts. Comment
  RSA796329  Ephedra trifurca Duncan S. Bell 2009-4-18 222 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
  RSA711039  Epilobium brachycarpum A. C. Sanders, Kelly Volansky 2005-8-31 31579 Riverside 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., ca 0.5 mi. N of Tenaja Rd. 671 Comment
  RSA17493  Epilobium canum subsp. canum Percy C. Everett 1936-8-28 8235 Riverside Santa Ana Mountains. North end of La Cienega. 732 Comment
  JOTR36393  Epilobium canum subsp. latifolium La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3345 Riverside Joshua Tree National Park. Little San Bernardino Mtns: Pushwalla Canyon, approx 100 m W of Pinyon Well site at spring Comment
  RSA24175  Epilobium canum subsp. latifolium Carl B. Wolf 1932-10-31 9759 Riverside Colorado Desert; Cottonwood Springs, Eagle Mountains. 290 Comment
  UC454607  Epilobium canum subsp. latifolium I. J. Condit 1910-6-22 Riverside San Jacinto Mts. 2438 Comment
  RSA448475  Epilobium ciliatum Louis C. Wheeler 1932-7-9 928 Riverside Santa Ana River at Chino Creek. 152 Comment
  POM48731  Epilobium ciliatum subsp. ciliatum P. A. Munz, I. M. Johnston 1924-7-29 8830 Riverside 6 miles SE of Poppet Flat, San Jacinto Mountains. 1524 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
  RSA633882  Epilobium glaberrimum Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38156 Riverside San Jacinto Mountains: San Bernardino National Forest. Lake Fulmor. 1616 Comment
  POM48886  Epilobium lactiflorum P. A. Munz 1924-7-27 8742 Riverside Dark Canyon, San Jacinto Mountains. 2287 Comment
  RSA651791  Eragrostis D. Gordon 1952-7-28 s.n. Riverside near Hemet. Comment
  SEINET1909845  Eragrostis A. C. Sanders 1997-1 21627 Riverside Moreno Valley: March Air Base, near Riverside (Riverside East 7.5 Q.). 466 Comment
  UCR176681  Eragrostis G. S. Nuessly 1980-10-14 s.n. Riverside Riverside: U.C. Riverside campus, above Picnic Hill 351 Comment
  RSA577755  Eragrostis mexicana subsp. mexicana F. M. Reed 1907-11-24 2000 Riverside Santa Ana River botton near Chinese Gardens Comment
  SBBG71536  Eremalche rotundifolia S. W. Hutchinson -Feb-1925 698 Riverside entrance to Painted Cyn Comment
  UCR16592  Eremalche rotundifolia K. W. Brown 1966-3-10 s.n. Riverside Sonoran (Colorado) Desert, near Homestead Ranch gate, 0ne-half mi. east of Palms-to-Pines Hwy, c. 2 mi. south of Palm Desert '350 ft. 183 Comment
  SD239835  Eremothera refracta Dave Silverman, Mark Bibbo 2010-3-31 7894 Riverside Southern McCoy Mountains, east bajada flank, 1.5 km west of Black Creek Road, 6.5 km north of I-10, and 6.9 km ENE of McCoy Peak. 177 Comment
  UC880216  Eriastrum densifolium subsp. austromontanum I. W. Clokey and E. G. Anderson 1935-8-21 6829 Riverside e Keen Camp P.O. 1350 Comment
  RSA0110544  Eriastrum densifolium subsp. austromontanum N. C. Cooper 1944-7-15 1579 Riverside Palms to Pines Highway, San Jacinto Mountains. 1280 Comment
  JOTR31166  Eriastrum densifolium subsp. elongatum La Doux, Tasha 2009-6-3 1872 Riverside Joshua Tree National Park. (Stop 6): Little San Bernardino Mountains, Covington Flats Area, dry ephemeral wash near parking area 1426 Comment
  UC727405  Eriastrum eremicum subsp. eremicum H. K. Wagnon 1944-5-30 411 Riverside Corner of Indian Ave and Ramon Road, Palm Springs. Comment
  RSA0120093  Eriastrum eremicum subsp. eremicum Ernest Braunton 1940-4-3 2022 Riverside Berdoo Canyon, 10 mi. E. of Indio. 304 Comment
  RSA0120107  Eriastrum eremicum subsp. eremicum J. R. Shevock 1971-5-8 1030 Riverside S. entrance, Joshua Tree National Monument. 457 Comment
  RSA0120369  Eriastrum eremicum subsp. eremicum N. C. Cooper 1948-5-13 2836 Riverside Devil's Garden. 244 Comment
  RSA0120401  Eriastrum eremicum subsp. eremicum H. de Forest, Jack Rempel 1934-4-14 s.n. Riverside San Gorgonio Pass. 602 Comment
  RSA0122962  Eriastrum sapphirinum subsp. sapphirinum E. K. Balls, P. C. Everett 1957-8-20 22679 Riverside Along State Hwy. 74, SE of Hemet Reservoir, S end San Jacinto Mountains. 1357 Comment
  CAS-BOT-BC172852  Ericameria brachylepis A. C. Sanders 2004-7-1 28372 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, just off Wickard Rd. ca. 1 mile east of the Menifee-Antelope Community Hall, 5 miles due south of Sun City 476 Comment
  JEPS19154  Ericameria cooperi var. cooperi Marjorie D. Clary 1932-5-13 1659 Riverside se of 29 Palms (Lost Horse Canyon); Colorado Desert, Lost Horse Canyon 914 Comment
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Jul 6 2010
  CAS-BOT-BC299121  Ericameria nauseosa var. mohavensis R. F. Hoover 1952-11-1 8274 Riverside Along summit ridge, Caliente Mt Comment
  UC55172  Ericameria palmeri var. pachylepis E. A. Zumbro 1902-10-1 361 Riverside Comment
  SBBG8359  Ericameria paniculata H. and M. Dearing 1939-11-11 4024 Riverside wash at W edge of Colorado Desert, just E of Banning Comment
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Jun 4 2011
  UCSB37801  Ericameria paniculata Roos, John 1965-11-6 Riverside Whitewater 304 Comment
  JEPS3946  Erigeron breweri var. jacinteus H. M. Hall Jun 1 1901-Jul 1 1901 2322 Riverside rocky ridges and peaks near Tauquitz; San Jacinto Mountains; near Tauquitz, San Jacinto Mts. 2690 Comment
  RSA719791  Erigeron breweri var. jacinteus Naomi Fraga, Ilene Anderson, Mike Hamilton, Michael Wall, Gary D. Wallace 2006-9-7 1741 Riverside Along trail to Hidden Lake Divide. 2591 Comment
  RSA212927  Erigeron divergens L. B. Ziegler 1969-5-26 s.n. Riverside Low hillsides at edges of meadows in Hemet Valley, San Jacinto Mts. 1387 Comment
  UCR187353  Erigeron divergens Naomi Fraga, Bryan Carey 2006-6-1 1689 Riverside Peninsular Ranges; San Jacinto Mountains region, near Morris Creek on a 4W drive trail, c. 0.5 mi SW of Tripp Meadow 1585 Comment
  RSA674938  Erigeron foliosus Scott D. White, Bill La Haye 2000-5-27 7961 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  CAS-BOT-BC296233  Erigeron foliosus var. foliosus Edmund C. Jaeger 1932-5-12 s.n. Riverside Sage of Hemet 762 Comment
  CAS-BOT-BC296241  Erigeron foliosus var. foliosus F. Grinnell 1908-7-1 s.n. Riverside Strawberry Valley, San Jacinto Mts. 1828 Comment
  RSA180332  Erigeron foliosus var. stenophyllus E. W. Lathrop 1965-5-23 5767 Riverside Riverside, 8 miles W of Murrieta 610 Comment
  UCR39349  Eriochloa acuminata A. C. Sanders 1985-8-24 5946 Riverside Sonoran (Colorado) Desert, lower Coachella Valley near Oasis on the dirt extension of Avenue 76, 0.4 mi east of Hwy 195, along the south side of a large drain flowing toward the Salton Sea -55 Comment
  POM3816A  Eriodictyon crassifolium N. K. Berg 1904-3-4 s.n. Riverside San Jacinto Mts. Comment
  RSA253145  Eriodictyon crassifolium Gary D. Wallace 1975-2-22 1398 Riverside San Jacinto Mtns., alaong hwy, 243, 3-5 mi. N of Poppet Flat Road turn off. Comment
  RSA33585  Eriodictyon crassifolium N. C. Cooper 1944-5-20 1309 Riverside Palms to Pines Highway [Hwy 74], San Jacinto Mountains. 1280 Comment
  RSA456545  Eriodictyon crassifolium L. B. Ziegler 1969-7-1 s.n. Riverside Near Morris Ranch, Hemet Valley, San Jacinto Mtns. Comment
  RSA78296  Eriodictyon crassifolium P. A. Munz, E. K. Balls 1952-8-21 17993 Riverside grade south of Banning on Idyllwild road Comment
  SD60443  Eriodictyon crassifolium Reid Moran 1964-7-27 11865 Riverside 2.5 miles SSW of Temecula, Canyon of the Santa Margarita River Comment
  SEINET3208889  Eriodictyon crassifolium G. Goodwin 2012-6-14 3444 Riverside San Jacinto Mountains, 6 miles south of Banning at the junction of highway 243 and the road to Mt. Edna 1070 Comment
  JOTR35452  Eriogonum angulosum Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 56 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop3) Comment
  CAS-BOT-BC248617  Eriogonum apiculatum E. L. Peterson 1931-9-5 s.n. Riverside Coldwater Canyon, San Jacinto Mts. 1524 Comment
  POM161534  Eriogonum apiculatum Ralph Hoffmann 1929-9-10 s.n. Riverside Tahquitz Peak. 2439 Comment
  SEINET3087074 Image available Eriogonum baileyi J. Hogan 1974-7-10 179 Riverside Upper Covington Flat barricade, Joshua Tree National Monument 1463 Comment
  CAS-BOT-BC242801  Eriogonum davidsonii H. M. Hall 1901-6-1 2088 Riverside San Jacinto Mountains. In the vicinity of Chalk Hill 1524 Comment
  HSC93372  Eriogonum davidsonii G. R. Ballmer, Kathleen Stockwell 1995-6-24 Riverside San Jacinto Mtns., along trail from Mason Ranch Rd. to Pacific Crest Trail, near Pyramid Peak 1982 Comment
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Jul 6 2014
  UCR103174  Eriogonum davidsonii Scott D. White, Julie Greene, Shelton Dowthit 1996-10-13 4623 Riverside San Jacinto Valley, Eastern foothills of valley (= 'Santa Rosa Hills'), south of Hemet 610 Comment
  RSA781603  Eriogonum deflexum Duncan S. Bell 2011-12-30 3029 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
  UCR148048  Eriogonum deflexum Steve Boyd, Et al. 2004-5-14 11288 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range 570 Comment
  UCR74368  Eriogonum deflexum Theo Glenn 1991-4-30 91- 57 Riverside Sonoran (Colorado) Desert, McCoy Mtns., NW of Blythe 170 Comment
  JOTR35263  Eriogonum deflexum var. deflexum La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2218 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; bouldery canyon with sandy wash bottom 731 Comment
  RSA393269  Eriogonum deflexum var. deflexum N. C. Cooper 1949-4-8 3257 Riverside Mecca Pass east of Indio. 610 Comment
  UCR16528  Eriogonum elongatum P. A. Rauch 1966-1-24 s.n. Riverside 1 mi. SE of Aguanga on Aguanga-Warner Springs Hwy 610 Comment
  POM50380  Eriogonum fasciculatum var. foliolosum W. W. Eggleston 1924-3-8 19528 Riverside Hemet. 480 Comment
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Mar 24 2011
  RSA125858  Eriogonum fasciculatum var. foliolosum E. K. Balls, Percy C. Everett 1957-11-6 22791 Riverside 0.5 miles north of junction Hwy. 79 and road to Coahuila. 655 Comment
  JOTR31139  Eriogonum fasciculatum var. polifolium La Doux, Tasha 2009-6-3 1850 Riverside Joshua Tree National Park. (Stop 1): Little San Bernardino Mountains, Covington Flats, ridge line south of peak 1547 Comment
  RSA393347  Eriogonum fasciculatum var. polifolium N. C. Cooper 1949-6-29 4305 Riverside West of Pinon Flats, San Jacinto Mountains. 1524 Comment
  RSA650862  Eriogonum fasciculatum var. polifolium C. J. Humphrey, Herbert Humphrey, E. T. Bartholomew 1936-6-7 50 Riverside In desert 15 miles north [E?] of Riverside 366 Comment
  SBBG35134  Eriogonum fasciculatum var. polifolium T. L. Secrest 1948-4-7 Riverside 5 mi below Whitewater 274 Comment
  RSA717682  Eriogonum gracile A. C. Sanders 2004-5-5 27757 Riverside Gavilan Hills; route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, ca. 0.25 mi. NNW of Harford Spring, ca. 1.2 mi. NE of Gavilan Peak. 579 Comment
  UCR117618  Eriogonum gracile var. gracile Scott D. White 1997-5-25 5247 B Riverside Peninsular Range; Perris Basin, Winchester Area: Hills south of Patton Ave. and west of Winchester Road, c. 2 air mi SW of the junction of Winchester Road and Simpson Avenue 549 Comment
  RSA735613  Eriogonum gracile var. incultum LeRoy Gross, Duncan S. Bell 2008-9-16 3576 -b Riverside Garner Valley. West side of, and close to Highway 74. Around 1/4 mile north from Ramona trailhead parking area. 1365 Comment
  RSA741733  Eriogonum gracile var. incultum M. Wall 2008-10-6 495 Riverside San Jacinto Valley, Baustista Rd. south east of Hemet; Bautista Creek ca. 6.0 miles SE of Fairview Ave. 778 Comment
  UCD100277  Eriogonum inflatum L. S. Rose 1935-12-30 s.n. Riverside Hot Springs, 7 miles north of Garnet, Colorado Desert. 609 Comment
  UCR124640  Eriogonum inflatum B. C. Templeton, I. W. Clokey 1930-4-9 1005 Riverside Sonoran (Colorado) Desert, North of Palm Springs 400 Comment
  UCR72196  Eriogonum inflatum Theo Glenn 1991-5-20 91- 102 Riverside Sonoran (Colorado) Desert, Arica Mts, SW of Rice 320 Comment
  RSA64763  Eriogonum inflatum var. deflatum F. W. Peirson 1932-11-26 9660 Riverside Thousand Palms Comment
  UC472765  Eriogonum inflatum var. deflatum M. F. Spencer 1918-4-13 Riverside In arenis, Palm Springs Colorado Desert, Palm Springs 125 Comment
  UC849554  Eriogonum inflatum var. deflatum C. L. Hitchcock 1940-4-3 5928 Riverside 1 1/2 mi ne along 29 Palms Road Cottonwood Springs; Joshua Tree National Monument Comment
  RSA338083  Eriogonum inflatum var. inflatum N. C. Cooper 1948-5-13 2832 Riverside Devil's Garden. 244 Comment
  POM230615  Eriogonum maculatum I. W. Clokey 1935-4-17 s.n. Riverside Cottonwood Springs. Comment
  RSA766362  Eriogonum nudum var. pauciflorum Joseph A. Ewan 1928-8-30 1499 Riverside Tahquitz Peak Trail, San Jacinto Mts. 2012 Comment
  PASA1490  Eriogonum pusillum Margaret Stason 1928-3-3 Riverside Near Whitewater Comment
  CAS-BOT-BC253012  Eriogonum reniforme Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring 60 Comment
  POM14256  Eriogonum thomasii P. A. Munz, D. D. Keck 1922-4-9 4918 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
  RSA340183  Eriogonum thomasii Robert F. Thorne, W. A. Tilforth 1980-5-28 54182 Riverside San Bernardino Mountains: Whitewater ridge above old bridge. Comment
  RSA747793  Eriogonum thomasii Scott D. White, Justin M. Wood 2009-3-24 12570 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
  UC1018186  Eriogonum thomasii J. Warren 1952-4-6 118 Riverside Palm Springs 304 Comment
  UCSB1538  Eriogonum thomasii Haller, John 1960-4-2 Riverside north base of Orocopia Mtns; 1.3 miles south of the junc. of US 60-70 and the south entrance road to Joshua Tree Nat. Mon 487 Comment
  JEPS56272  Eriogonum thurberi Dr. L. M. Newlon 1922-4-5 462 Riverside e Palm Springs; San Jacinto Mts. Comment
  UCD101296  Eriogonum thurberi Steve Boyd; Tim Ross, Laurel Arnseth 1989-6-10 3681 Riverside Vail Lake area, benches of Arroyo Seco and slopes of adjacent sedimentary hills to E. 487 Comment
  SJSU13122  Eriogonum wrightii var. membranaceum C. W. Sharsmith 1945-8-28 5455 Riverside Indian Cr, Mt San Jacinto, San Jacinto Mts 1828 Comment
  SBBG28186  Eriogonum wrightii var. nodosum P. A. Munz 1932-10-16 12852 Riverside N base of Santa Rosa Mtns, Indio to Vandeventer Flats Rd 609 Comment
  UCR24325  Eriogonum wrightii var. nodosum John C. Roos 1943-10-16 2741 Riverside Southern Mojave Desert, Falcon Flats, Little San Bernardino Mtns 1524 Comment
  CAS-BOT-BC298481  Eriophyllum ambiguum var. paleaceum H. S. Yates 1937-3-24 6457 Riverside Deep Canyon 609 Comment
  RSA33589  Eriophyllum confertiflorum Norman C. Cooper 1944-5-20 1225 Riverside Above Pine Flats, San Jacinto Mts 1372 Comment
  RSA342566  Eriophyllum confertiflorum R. F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54073 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  RSA604747  Eriophyllum multicaule A. C. Sanders 1995-4-16 16559 Riverside Glen Avon: Jurupa Hills (draining toward Fontana), Pyrite St. Canyon. 335 Comment
  UC891163  Eriophyllum multicaule Marcus E. Jones, A. M. 1882-4-25 3173 Riverside San Jacinto Comment
  UCR154735  Eriophyllum wallacei T. B. Salvato, Kent Beaman 2005-5-16 764 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
  UCSB47320  Eriophyllum wallacei Hibbard, Doug 1977-5-16 Riverside N.W. side of Hwy. 74, 11.8 miles from its intersection with Hwy. 111 1036 Comment
  UCR91885  Erodium botrys A. C. Sanders, E. J. Lawlor, C. L. Sanders 1996-4-21 18067 Riverside S slope of San Bernardino Mtns, Morongo Indian Reservation, grounds of the Malki Museum, NE of Banning. 732 Comment
  RSA507947  Erysimum capitatum Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2265 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest. 1500 Comment
  SEINET13754614  Erythranthe diffusa B. Ertter, J. Strachan 1979-1 2975 Riverside Kenworthy Forest Station on Rt. 74 in Garner Valley, San Jacinto Mountains. Comment
  RSA0022939  Eschscholzia androuxii N. Dunn 1932-3-26 s.n. Riverside Cottonwood Springs Comment
  RSA433689  Eschscholzia californica N. C. Cooper 1944-4-22 1139 Riverside Banning. 762 Comment
  RSA522752  Eschscholzia californica Steve Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3859 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
  UCR48342  Eschscholzia californica Steve Boyd 1986-4-22 1752 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  RSA796324  Eschscholzia minutiflora Duncan S. Bell 2009-4-18 215 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
  UC69219  Eschscholzia minutiflora E. E. Schellenger April 1905 Riverside Santa Maria Mts. Colorado Desert Comment
  UCD105362  Eschscholzia minutiflora Curtis Clark 1976-4-13 526 Riverside Mecca-Jushua Tree Road, 7.0 miles southwest of junction with Interstate Highway 10. 243 Comment
  UCR84881  Eschscholzia minutiflora A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16209 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, alluvial fan just east of the mouth of Whitewater Canyon between Windy Point & Hwy I-10, Coachella Valley 370 Comment
  UCR85151  Eschscholzia minutiflora A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16093 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  SD48468  Eschscholzia papastillii P. C. Everett, E. K. Balls 1958-4-29 23013 Riverside U. S. Highway 60/70, Indio to Blythe, 1.0 mile west of Cactus City. 548 Comment
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Mar 20 2011
  JEPS51691  Eschscholzia parishii W. L. Jepson 1928-4-23 12549 Riverside wash 2 1/2 mi below Cottonwood Spring; Eagle Mts. 487 Comment
  UCD119343  Eucrypta chrysanthemifolia C. L. Hitchcock; C. V. Muhlick 1962-3-16 22159 Riverside Temescal Canyon, ca. 12 mi. s.e. of Corona. Comment
  UCR127327  Eucrypta chrysanthemifolia A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25835 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  UC172906  Eulobus californicus E. E. Schellenger 1911-4-24 Riverside s Palm Springs; Colorado Desert Comment
  UCR242866  Euphorbia abramsiana Catherine MacGregor 2012-9-13 s.n. Riverside Sonoran (Colorado) Desert, west of Blythe, 1.55 km E of Wileys Well Rd., 2.73 km south of I-10, 3.7 km NE of state prison 127 Comment
  UCR102844  Euphorbia albomarginata A. C. Sanders 1997-4-3 20169 Riverside Lake Skinner area, N edge of large clay patch adjacent to the E side of the Skinner entrance road, c. 1-2 km NE of Borel Road. 473 Comment
  UCR116912  Euphorbia albomarginata A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23959 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  UCR260828  Euphorbia eriantha A. C. Sanders, Jim Malusa 2015-3-10 41375 Riverside Sonoran (Colorado) Desert, north end of Chocolate Mountains, Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range 610 Comment
  UCR41268  Euphorbia maculata A. C. Sanders 1982-6-12 2713 Riverside Riverside, residential garden, 422 Campus View Drive 335 Comment
  UCR36093  Euphorbia misera R. F. Thorne, F. R. Fosberg, et al. 1983-4-23 55410 Riverside San Bernardino Mtns, Mouth of Whitewater Canyon, east of Whitewater Post Office at S end of ridge, in sandy wash east of bridge, and on base of W-facing slope of ridge 412 Comment
  UCR166195  Euphorbia ocellata var. arenicola Nathan Moorhatch, John F. Green, Ted Rado 2005-4-19 s.n. Riverside Sonoran (Colorado) Desert, Desert Hot Springs, Desert Dunes Golf Course (SW corner) just east of Palm Ave. Approximately 0.5 miles north-east of Seven Palms Ranch 226 Comment
  JOTR35059  Euphorbia polycarpa La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3511 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road. South-facing bajada with shallow Sonoran desert riparian corridors among desert pavement. Comment
  UCR153353  Euphorbia polycarpa L. C. Wheeler 1946-6-19 6171 Riverside Sonoran (Colorado) Desert, 2 mi N of main highway [I-10/ Hwy 99] on road [Hwy 62] to 29 Palms Comment
  UCR241516  Euphorbia polycarpa A. C. Sanders, Ann Howald 2013-2-27 40544 Riverside Sonoran (Colorado) Desert, Coachella Valley, north of Ave. 70 near Cleveland St., 10 km SE (108 deg. ) of Mecca -40 Comment
  UCR128936  Euphorbia setiloba Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Sonoran (Colorado) Desert, Canyon Spring, Orocopia Mtns. 372 Comment
  RSA391190  Fagonia laevis Donald Myrick 1968-3-4 1810 Riverside Palms to pines Hwy out of Palm Desert 305 Comment
  RSA444455  Fagonia laevis Roos 1965-6-23 s.n. Riverside Lost Palms Wash. Comment
  UCR275515  Fagonia laevis D. E. Bramlet 2010-3-1 4452 Riverside Sonoran (Colorado) Desert, West Berdoo Canyon, Little San Bernardino Mtns., c. 6 air miles north of Indio 366 Comment
  UCR41847  Fagonia laevis A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6100 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  JOTR31894  Fagonia pachyacantha La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2144 Riverside Joshua Tree National Park. West Cottonwood Mountains; east edge of Pinkham Wash east of Pinkham Canyon Road; loose, cobbley, south facing slope above large drainage Comment
  SEINET3005065  Fagonia pachyacantha G. Rink 2011-5-1 10503 Riverside North side of the Chuckawalla Mountains 365 Comment
  CLARK-A1045-95  Festuca megalura George K. Helmkamp 1977-4-30 Riverside San Jacinto Mountains 6 miles west of Pine Cove; on dirt road near North Fork of the San Jacinto River; ; Lake Fulmor 7.5'Q 1676 Comment
  LA13119  Festuca myuros F. M. Reed; 1903-12-13 407 Riverside Box Spring Mountains, Footills Comment
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Sep 20 2013
  UCR133356  Festuca myuros Tracy Tennant, J. S. Ross 1998-5-7 MOR- 123 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Wood Canyon (polygon W8), c. 0.6miles NNW of Cabazon. 1280 Comment
  RSA528883  Festuca occidentalis M. Curto, Linda Allen 1991-6-26 771 Riverside 3km SE of Pine Cove on San Bernardino NF road 5S10. Comment
  UCR2422  Festuca octoflora F. M. Reed 1920-3-24 4175 Riverside Western Colorado Desert, Murray Canyon, a tributary of Palm Canyon near Palm Springs 305 Comment
  RSA0026299  Filago John F. Emmel 1991-4-28 1169 Riverside Lakeview Mts. WNW of Hemet; slope 0.1 air mile south and 016 [1.6?] air mile west of intersection of Warren Road and Esplanade Ave. 518 Comment
  CLARK-A1045-227  Filago arizonica George K. Helmkamp 1978-4-1 Riverside Cabazon north of Interstate highway 10; disturbed soil; Cabazon 7.5'Q Comment
  RSA525321  Filago arizonica Steve Boyd, David E. Bramlet 1990-4-29 4475 Riverside Lake Skinner County Park, S flank of Bachelor Mountain Comment
  UCR250906  Filago arizonica A. C. Sanders 2014-4-18 41021 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
  UC1123328  Forestiera pubescens A. E. Wieslander 1938-5-5 734 Riverside Vandeventer Flat; Thermal Quad. 1493 Comment
  SEINET4108735  Fouquieria splendens J. Redfern 2004-1 JT 5 Riverside Collected along Pinto Basin road north of Cottonwood Visitor Center in Joshua Tree National Park. 759 Comment
  UCSB4146  Fouquieria splendens Sage, Paul 1958-3-22 Riverside Near junction-of road that crosses Joshua Tree Nat'l. Mon. to U.S. 60, this specimen from flat area 3 mi. So. of there 457 Comment
  RSA659176  Fragaria vesca subsp. californica Bob Rogers 1984-5-5 30 Riverside Along a trail bordering the west side of Fuller Mill Creek heading upstream. Starting point was on the North side of Hwy 243, 11.6 miles from hwy 74/hwy 243 jctn. 1524 Comment
  RSA0018452  Frangula californica subsp. cuspidata T. Scott, A. Townesmith, K. M. Meyer 2007-3-15 132 Riverside San Bernardino National Forest. 14.5 mile S on Rt. 243 from US 10, at pulloff next to Soboba Penny Pine Plantation. 1602 Comment
  RSA6011  Frasera parryi Carl B. Wolf 1932-8-4 3928 Riverside Strawberry Valley, 1.5 miles froStrawberry Valley.m Idyllwild on road to Banning 1707 Comment
  UCD121444  Frasera parryi R. N. Raynor 1939-6-20 s.n. Riverside San Jacinto Mts. Near Coahuila. Comment
  CLARK-A1528-1039  Fraxinus dipetala C. M. Flanagan 1973-4-26 OO 310 Riverside Morongo Indian Reservation Comment
  UC217971  Fraxinus velutina P. A. Munz and I. M. Johnston 1922-5-7 5279 Riverside Keyes Ranch Little San Bernardino Mts. 1066 Comment
  UC277060  Fraxinus velutina I. M. Johnston 1917-12-1 1804 Riverside nw of Corona; Santa Ana River 182 Comment
  RSA601077  Fraxinus velutina var. coriacea A. C. Sanders 1996-5-1 18133 Riverside San Bernardino Mtns: Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, N of Banning 793 Comment
  RSA458596  Funastrum hirtellum L. H. Jones 1910-3-18 s.n. Riverside Riverside Mountain, near the Colorado River Comment
  RSA718571  Funastrum hirtellum Michael Honer, L. Hulse 2004-4-3 1890 Riverside Nameless canyon appx. 1 mi. W of Pushawalla Cyn., leading up to MWD aqueduct. 488 Comment
  SJSU11074  Funastrum hirtellum R. C. McGhee 1970-5-1 257 Riverside Chuckwalla Rd 1 mi W of Chuckwalla Spring, Chuckwalla Mts Comment
  UCR279553  Funastrum hirtellum A. C. Sanders, Jim Malusa 2017-3-29 43199 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 2.8 km south of the confluence of Red Canyon and Salt Creek 460 Comment
  SEINET10580699  Funastrum hirtellum Ivan Murray Johnston 1917-4-4 Johnston s.n. 1917 Riverside Palm Canyon Comment
  CAS-BOT-BC223036  Galium angustifolium Jennifer H. Jones 2006-5-21 309 Riverside Peninsular Ranges: Box Springs Mtns.: Box Springs Mountain Reserve. First trail on the left beyond the parking lot along the service road 793 Comment
  UCR174232  Galium angustifolium A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32667 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
  UCR89655  Galium angustifolium Bern Schwenn 1994-5-14 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument, north side of the Eagle Mountains, site of Conejo Well, along old road/trail c. 100 yards north of well site 1021 Comment
  JEPS56074  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and G. L. Stebbins 1966-1-21 4178 Riverside Hwy 79 17.2 mi s Hemet (n-facing slope) Comment
  UCR147259  Galium californicum subsp. primum Naomi Fraga, Sarah De Groot, Valerie Soza 2004-6-28 1280 a Riverside Peninsular Range; San Jacinto Mtns., along Red Hill Road (5S10) near Alvin Meadows, SW of Pine Cove 1677 Comment
  POM12870  Galium parishii Philip A. Munz 1922-7-6 6022 Riverside Near Hidden Lake. 2561 Comment
  UC1979634  Galium porrigens var. porrigens D. L Banks, Steve Boyd 1995-3-15 0077 Riverside NW Palomar Mtns., Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. Comment
  POM367814  Galium stellatum Christopher Davidson 1979-4-4 7727 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  POM367819  Galium stellatum M. B. Dunkle 1937-3-25 4928 Riverside Colorado Desert. Shaver's Well Comment
  RSA748588  Galium stellatum var. eremicum Scott D. White, Justin M. Wood 2009-4-28 12608 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  UC537212  Galium trifidum var. pusillum M. E. Jones Sept. 1933 Riverside San Jacinto Peak Comment
  UC1122655  Garrya flavescens A. Lewis 1934-3-1 358 Riverside Hagador Canyon; Cleveland National Forest, Corona Quad. 1074 Comment
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Dec 11 2011
  POM280062  Garrya flavescens var. pallida C. Epling 1932-5-28 s.n. Riverside Perris-Hemet. Comment
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Nov 3 2011
  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
  UCD103558  Gayophytum heterozygum H. Lewis; M. Lewis 1962-8-2 1306 Riverside San Jacinto Mts. Pine Cove Road, Pine Cove, 0.4 mile west of Idywllwild-Banning Road. Comment
  RSA678930  Gazania linearis Scott D. White, Michael Honer 2003-6-3 9473 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UCR240644  Gilia Tracy Tennant, Mitch Provance 1998-6-16 MOR- 436 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon, in wash just north of woodland stand M15 1098 Comment
  JEPS69452  Gilia angelensis W. L. Jepson 1901-5-17 1230 Riverside Riverside 266 Comment
  POM293649  Gilia angelensis Lyman Benson 1946-4-15 12029 Riverside 2 miles east of Banning, Colorado Desert. 609 Comment
  UCR42390  Gilia capitata D. C. Hawks 1986-4-16 s.n. Riverside San Bernardino Mtns / Sonoran (Colorado) Desert, Alta Mesa wind turbine field, on the ridge above Whitewater Canyon, west of Bonnie Bell 915 Comment
  SBBG101644  Gilia capitata subsp. abrotanifolia S. Boyd with L. Arnseth, Y. Rasmussen, H. Cota 1990-5-3 4530 Riverside Vail Lake area at jct of Hwy R3 and Powerline Rd, NE of the lake Comment
  CHSC108904  Gilia diegensis Duncan S. Bell; Valentin Arvizu 2010-5-10 988 Riverside Peninsular Ranges; San Jacinto Mountains region: San Bernardino National Forest: Garner Valley, approximately 1.1 air mile southeast of junction of forest service road 6S04 and forest service road 6S13. 1349 Comment
  RSA78131  Gilia diegensis Verne Grant, Alva Grant 1953-5-15 18457 Riverside On hwy 74 at Anza junction. 1494 Comment
  UC1595756  Gilia latifolia W. Wisura, J. Dolan, M. Wall 1992-3-24 4625 Riverside on Box Canyon Rd. 7.7 mi ne Mecca; ne of Mecca Comment
  UC908061  Gilia latifolia Frank W. Peirson 1926-1-31 6498 Riverside Dos Palmas Comment
  JEPS44385  Gilia ochroleuca subsp. exilis Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4265 Riverside gravelly ridge e Toro Peak; Santa Rosa Mountains Comment
  RSA0017265  Gilia ochroleuca subsp. exilis T. B. Salvato 2004-5-27 587 Riverside Head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp. 1402 Comment
  UC880179  Gilia ochroleuca subsp. exilis I. W. Clokey, E. G. Anderson 1935-4-16 6831 Riverside e Hemet (steep open hillside); e of Hemet 600 Comment
  UCR91857  Gilia ochroleuca subsp. exilis A. C. Sanders, S. Hawkins 1996-4-24 18071 Riverside San Bernardino Mtns, Morongo Indian Reservation, along dirt road in Hathaway Canyon, near Burro Flats 1159 Comment
  UCR178146  Gilia splendens T. B. Salvato, Jeffrey Ross 1998-5-14 MOR- 138 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
  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
  RSA66736  Glaucium flavum H. Baer 1923-5-22 s.n. Riverside South side of Lake Elsinore Comment
  POM12085  Glycyrrhiza lepidota Mary F. Spencer 1734 Riverside Canyon near San Jacinto Comment
  RSA552541  Gnaphalium canescens D. Charlton 1987-12-6 1104 Riverside Cottonwood Canyon, first canyon W of Whitewater N of the 10 freeway. N of Palm Springs. Foothills of San Bernardino Mtns. 915 Comment
  UCR65274  Gnaphalium canescens subsp. microcephalum Steve Boyd, O. Mistretta 1989-7-18 3765 Riverside Peninsular Range, Vail Lake Area, Temecula Creek Canyon 0.5 mi west of dam 421 Comment
  UCR84377  Gnaphalium leucocephalum Steve Boyd 1994-10-14 8385 Riverside Santa Ana Mtns., San Mateo Canyon Widerness Area of the Cleveland Nat'l Forest. San Mateo Canyon at the confluence with Bluewater Canyon 335 Comment
  RSA0043036  Gnaphalium luteoalbum Duncan S. Bell, Evan Meyer 2014-4-3 6532 Riverside Chuckwalla Mountains; northeast section of range; Spring Tank, approximately 3.25 air miles southeast of Desert Center. 446 Comment
  UCR104899  Gnaphalium luteoalbum A. C. Sanders 1997-3-19 20040 Riverside Lake Skinner area, Lake Skinner, NW shore near inlet, SW foot of Bachelor Mtn 445 Comment
  UCR133325  Gnaphalium luteoalbum 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
  CAS-BOT-BC307402  Gnaphalium palustre Steve Boyd 1986-5-7 1845 Riverside Terrace escarpment between Horsethief wash and Indian Truck Trail south of I-15, Temescal Canyon Comment
  POM212729  Gnaphalium palustre P. A. Munz 1941-5-18 16649 Riverside About 15 miles northeast of Temecula. Comment
  RSA720439  Gnaphalium palustre Naomi Fraga, LeRoy Gross, Bill Hogshead 2006-6-12 1709 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
  UCR34922  Gnaphalium stramineum L. B. Ziegler 1967-8-2 203 Riverside Peninsular Ranges, San Jacinto Mtns., upper Herkey Creek area 1524 Comment
  JOTR30315  Guillenia lasiophylla La Doux, Tasha, Bill Truesdell, Erin Babich 2008-3-10 1747 Riverside Joshua Tree National Park. Stop # 3 Northwest end of Eagle Mountains, near road leading to Cottonwood Canyon. 898 Comment
  SBBG62672  Gutierrezia californica M. N. Ackley 1928-4-1 210 Riverside Snow Crk, Mt San Jacinto 518 Comment
  SD186087  Gutierrezia californica A. C. Sanders 2004-6-20 28212 Riverside 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
  RSA650133  Haplopappus linearifolius J. Bruce Smiley 1940-3-16 s.n. Riverside Whitewater. 762 Comment
  SEINET11849224  Haplopappus linearifolius E. A. Purer 1935-1 6445 Riverside Pine Valley, Pines & Palms Highway Comment
  RSA0066623  Harpagonella palmeri Steve Boyd 1986-5-1 1816 Riverside Bachelor Mtn.: Lower south slopes of Bachelor Mtn., east end of Lake Skinner. Comment
  UCR63946  Harpagonella palmeri D. E. Bramlet, P. Jacks, S. Goode 1989-4-4 1785 Riverside Perris-Aguanga Basin Region, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  UCR281217  Harpagonella palmeri var. palmeri Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-27 317- 44 Riverside Temescal Valley, East end of Concordia Ranch Rd., open space adjacent to east side of the equipment yard 390 Comment
  UCR174613  Helianthemum scoparium Jennifer H. Jones 2006-6-6 385 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; San Juan Loop Trail 'head 598 Comment
  RSA162726  Helianthemum scoparium var. aldersonii J. D. Olmsted 1959-4-17 411 Riverside Rattlesnake Rock along Black Star Canyon Road 1 mi. north of Hidden Ranch and below Beacon Pines Ranch; 10 mi. SW of Corona 747 Comment
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Jun 6 2013
  RSA487432  Helianthemum scoparium var. vulgare Steve Myers 1988-5-17 s.n. Riverside Santa Rosa Plateau area W of Murrieta, Via Majorca .25 mi. N of the intersection with Avenida Arboles. Comment
  GMDRC6543  Helianthus gracilentus J. M. Andre 2012-6-15 30494 Riverside San Jacinto Mountains: along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest 1172 Comment
  UCR145972  Helianthus gracilentus June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  UCR18115  Helianthus niveus subsp. canescens A. C. Sanders 1978-4-2 00137 Riverside Sonoran (Colorado) Desert, Coachella Valley, between Miles Ave. and Hwy 111, just east of Washington St 30 Comment
  UCR126935  Heliotropium curassavicum Julie A. Greene 1993-5-12 1319 Riverside San Jacinto Valley, San Jacinto Wildlife Area, SE end of visitor center road, east of Davis Road 436 Comment
  RSA674548  Hemizonia fasciculata Scott D. White 2000-5-1 7753 Riverside Corona: Western foothills of Santa Ana Mountains near Bedford Canyon. 351 Comment
  UCR91991  Hemizonia fasciculata Michael A. Patten 1993-4-28 s.n. Riverside Winchester (near): roadside ditch at corner of Stowe and California 447 Comment
  CLARK-A1528-1920  Hemizonia kelloggii John C. Roos 1965-6-27 Riverside Reche Canyon Comment
  RSA735946  Hemizonia kelloggii Scott D. White, Justin M. Wood 2008-6-13 12101 Riverside Beaumont Badlands: San Timoteo Canyon, near El Casco Lake (private pond) E of the road. 579 Comment
  UCR177319  Hemizonia kelloggii Scott D. White, Michael Honer 2003-5-27 9403 Riverside Gavilan Hills / Temescal Canyon, hills and canyons c. 1 mile north of the I-15 Fwy and 1 mi east of Lake Street exit, south and/or west of unnamed peak '2349 549 Comment
  UCR235092  Hemizonia kelloggii A. C. Sanders, John F. Green 2012-6-1 40224 Riverside Peninsular Range; Santa Ana Mtns. Region, old railroad grade in hills between I-15 and Temescal Canyon Rd., 0.6 km WNW (295 deg. ) of El Hermano Rd. junction with Temescal Cyn. Rd. 324 Comment
  UCR193122  Hemizonia mohavensis A. C. Sanders, Tim Thomas 2008-6-20 35555 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  UCR105991  Hemizonia paniculata D. L. Banks 1997-6-16 2061 Riverside NW Palomar Mtns., Agua Tibia Mtns: Pechanga Indian Reservation. On the south side of Pechanga Rd., c. 20 m west of the old schoolhouse 378 Comment
  UCR256787  Hemizonia paniculata T. B. Salvato, Matthew Malle 2013-5-20 7572 Riverside Perris-Aguanga Basin, Menifee, east of Railroad Canyon and west of Hyw I-215. Murrieta Road between Newport Road and La Piedra Road 454 Comment
  CLARK-A1528-1923  Hemizonia pungens John C. Roos 1952-5-14 5670 Riverside San Jacinto River 426 Comment
  RSA514387  Hemizonia pungens subsp. laevis Scott D. White 1997-5-25 5244 B Riverside Winchester area: Roadside of Simpson Ave., less than1 mi W of intersection w/ Winchester Rd. 445 Comment
  UCR207306  Hemizonia pungens subsp. laevis John F. Green 2009-7-13 s.n. Riverside Peninsular Range, Elsinore Trough, NE side of the city of Lake Elsinore, east side of Pasadena St. north of Central Ave. 384 Comment
  RSA0029322  Hesperocallis undulata Justin M. Wood, J. Varonin, T. Valentovich 2012-4-23 4689 Riverside Sonoran Desert: Chuckwalla Valley, active sand dunes +/- 7.25 miles northeast of Desert Center, +/- 3.0 miles E of SR-177, and +/- 1.0 mile N of abandoned Jojoba farm. 149 Comment
  POM12013  Heterocodon rariflorum Mary F. Spencer 1921-7-3 1380 Riverside Damp meadows in shade. Idyllwild. San Jacinto Mountains. 1616 Comment
  UCD113330  Heteromeles arbutifolia A. C. Sanders 2004-6-20 28211 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
  UCR174536  Heterotheca grandiflora Jennifer H. Jones, Sarah Huels and Heather Schneider 2006-5-16 302 Riverside Peninsular Ranges, Box Springs Mtns. Trail along base of Mtns. N from Big Springs Road to the same latitude as Blaine Street. 384 Comment
  UCR92177  Heterotheca grandiflora D. L. Banks, Steve Boyd 1995-10-17 0770 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Mtns, Agua Tibia Wilderness Area, south of Dripping Springs Campground 512 Comment
  UC63207  Heterotheca sessiliflora subsp. echioides H. M. Hall Aug 1 1901-Aug 10 1901 2607 Riverside Strawberry Valley; San Jacinto Mountains 1615 Comment
  UCD133090  Heterotheca sessiliflora subsp. echioides Scott D. White; Angelina Carey 2004-9-16 10755 Riverside San Jacinto Mountain: along Poppet Creek NE of San Jacinto River. 561 Comment
  SEINET3167706  Heterotheca sessiliflora var. sanjacintensis J. C. Semple, J. Chimielewski 1987-9-30 8985 Riverside CA-74, 12.7 km S of CA-243, S of Lake Hemet Comment
  RSA0066125  Heuchera Ralph Hoffmann 1929-9-6 s.n. Riverside San Jacinto Mountains. 2590 Comment
  SD114911  Heuchera rubescens Fred T. Sproul 1977-8-14 190 Riverside Along road to Santa Rosa Peak. Near its turn toward the south to the summit Comment
  JOTR29576  Hibiscus denudatus Andre, Jim 2006-4-6 6689 Riverside Joshua Tree National Park. Wilson Canyon, along Pinto Basin Rd 865 Comment
  RSA0021681  Hibiscus denudatus Jim Andre 2013-3-27 24814 Riverside Riverside Mountains; east side of Riverside Mountains, along Hwy 95, 13.2 mi. south of Vidal Jct. 126 Comment
  RSA432778  Hibiscus denudatus E. C. Jaeger 1922-3-29 730 Riverside Murray Canyon, Colorado Desert Comment
  UCR72231  Hibiscus denudatus Theo Glenn 1991-5-28 91- 110 Riverside Sonoran (Colorado) Desert, Mule Mountains 165 Comment
  UCSB24967  Hilaria rigida Keefe, Joseph 1967-3-23 Riverside Above Twentynine Palms Highway, 3.8 miles north of Mission Creek Road, Morongo Valley 777 Comment
  SEINET10522074  Hilaria rigida A. K. Evans 1976-4-13 Evans 5133 Riverside Rocky slopes of Santa Rosa mountains. Comment
  RSA613654  Hirschfeldia incana D. L. Banks, Victor Steinmann 1997-3-13 1466 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  UCSB18783  Hoffmannseggia microphylla Winn, Will 1963-4-8 Riverside U.S. Highway 60-70, 32.2 miles W of Desert Center 304 Comment
  UCSB3082  Hoffmannseggia microphylla Strudy, C. 1957-4-21 Riverside 20 mi. east of Coachella on Route 60 60 Comment
  OBI37476  Hoita macrostachya Steve Boyd 1985-7-30 1049 Riverside De Luz Rd, 10.4 mi W of Rancho Calif; t point where E branch of De Luz Crk first crosses rd Comment
  RSA449811  Holodiscus microphyllus Anstruther Davidson 1896-07 2745 Riverside Top of San Jacinto Mountains Comment
  CAS-BOT-BC174030  Hordeum depressum A. C. Sanders 2003-5-9 26582 Riverside San Jacinto Valley: west of Hemet, west edge of Warren Road just north of Hwy 74 (Florida Ave.) 457 Comment
  RSA717054  Hordeum depressum A. C. Sanders 2003-5-9 26582 Riverside San Jacinto Valley: west of Hemet, west edge of Warren Road just north of Hwy 74 (Florida Ave.) 457 Comment
  SEINET3258004 Image available Hordeum intercedens A. C. Sanders 2008-4-15 34886 Riverside Peninsular Range; NE edge of city of Elsinore, off Nichols Rd. along Baker St., near Durant Siding. 383 Comment
  UCR75530  Hordeum intercedens A. C. Sanders 1993-5-12 14012 Riverside San Jacinto Valley, Hemet, SW corner of intersection of Florida Ave (Hwy 74) & Warren Rd., between new San Diego Aqueduct and Warren Road 460 Comment
  UCR241401  Hordeum marinum T. B. Salvato, Matt Malle, Tom Sullivan 2013-3-27 7452 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 Comment
  RSA741422  Hordeum murinum Justin M. Wood 2008-12-2 259 Riverside City of Temecula, Murrieta Creek, downstream of 1st street bridge. 290 Comment
  SD232793  Horkelia clevelandii Scott D. White 1996-8-1 4431 Riverside Idyllwild Area: Hwy 243 at Deer Springs trailhead and adjacent area. 1700 Comment
  SD136763  Horkelia cuneata var. cuneata Steve Boyd, Tim Ross 1992-5-15 7404 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area; major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 671 Comment
  POM230989  Horsfordia alata Marjorie D. Clary 1932-1-22 173 -a Riverside Canyons southwest of Coral Reef Ranch, Coachella, at base of Santa Rosa Mountains 152 Comment
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Apr 4 2011
  SD187328  Hydrocotyle umbellata Scott D. White, Angelia Carey 2004-5-7 10329 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 548 Comment
  UCR92598  Hydrocotyle umbellata F. M. Reed 1933-8-13 8013 Riverside South Coast; San Bernardino Valley, Riverside, Fairmont Park 245 Comment
  NY43421  Hymenoclea salsola C. R. Annable 1995-3-10 2263 Riverside 1.6km S of Lake Cahuilla County Park Comment
  POM361061  Hymenoclea salsola Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  RSA27452  Hymenoclea salsola I. L. Wiggins 1941-3-24 9576 Riverside Along eastern side of Salton Sea, 2.7 miles south of Mortmar. 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
  UC1951116  Hymenopappus filifolius Scott D. White, Justin Wood 2009-5-21 12860 Riverside SAN JACINTO MOUNTAINS: Garner Valley, near abandoned duck ponds, S of Quinn Flat. USGS Idyllwild 7.5' Quad. Comment
  POM7077  Hypericum androsaemum P. A. Munz, L. F. Street 1919-5-7 2737 Riverside Mouth of Tahquitz Canyon. Comment
  CAS-BOT-BC219760  Hyptis emoryi Marcus E. Jones 1926-1-21 s.n. Riverside Yaqui Well, Colorado Desert Comment
  CAS-BOT-BC219763  Hyptis emoryi Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio Comment
  CLARK-A1656-732  Hyptis emoryi unknown 1981-3-14 Riverside Coachella Valley Comment
  JOTR29204  Hyptis emoryi La Doux, Tasha 2005-3-30 1206 Riverside Joshua Tree National Park. Pinto Basin; along Pinto Basin Road east of Fried Liver Wash, north of Hexie Mountains 544 Comment
  POM126315  Hyptis emoryi Thomas Craig 1927-4-2 5 Riverside Palm Springs. Comment
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Feb 26 2008
  POM306694  Hyptis emoryi Henry J. Ramsey, Henry J. Ramsey 1926-4-26 1688 Riverside Near Desert Center. Comment
  RSA704591  Hyptis emoryi LeRoy Gross 2005-3-3 1590 Riverside Palen Mountains, south side. Near end of old prospect road., [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  UC65007  Hyptis emoryi E. E. Schellenger 25 Riverside Chucawalla Wells; Colorado Desert, Chucawalla Wells Comment
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Jan 23 2012
  UCSB51278  Imperata brevifolia John C. Roos 1965-6-23 Riverside collected in Palm Springs Palm Springs Comment
  CDA6090  Ipomoea triloba T. C. Fuller 1962-10-2 9691 Riverside South of Avenue 60, 0.2 mile east of Jackson Street, ca. 6 miles south of Indio. 0 Comment
  JEPS19199  Isocoma acradenia var. eremophila Mary Beal 1939-10-25 713 Riverside Palm Springs area Colorado Desert, Palm Springs Comment
  SD229102  Isocoma acradenia var. eremophila Dick Schwenkmeyer 2012-11-6 869 Riverside West fork of Palm Canyon, Agua Caliente Indian Reservation, 4.7 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 227 Comment
  CDA32720  Isocoma menziesii var. vernonioides Mike Lahti 2009-10-13 PDR# 1501839 Riverside Hemet. Found off Deportola Road on Colt Road. 0 Comment
  RSA444685  Isocoma menziesii var. vernonioides J. C. Roos 1965-9-21 s.n Riverside On the W side of March Air Force Base along 395 Hwy. Comment
  UCSB52655  Isoetes howellii Thorne, Robert; Thorne, M.; Wisura, Walter 1978-5-21 Riverside Santa Rosa Plateau: Mesa de Colorado. 609 Comment
  CSUSB956  Isomeris arborea M. Quinlan 1974-4-18 Riverside Found in Riverside county about 4 miles from Palm Springs in the Agua Caliente Indian Reservation located in the San Andreas canyon. 304 Comment
  UC500547  Isomeris arborea Aven Nelson 1930-3-1 11168 a Riverside n of Palm Springs Comment
  UCR235052  Iva axillaris A. C. Sanders, John F. Green 2012-5-27 40215 Riverside Peninsular Range; Perris-Aguanga Basin Region, eastern edge of Gavilan Hills, powerline route west of San Jacinto River and east of Hwy 74, 5.6 km SE of Perris 441 Comment
  CAS-BOT-BC133230  Juglans californica D. E. Bramlet 2003-5-28 3454 Riverside San Gorgonio wash, along dirt road to MWD tailings site. The site is 1768m south of Cabazon, and 762m north of the Colorado aqueduct 535 Comment
  SEINET10533289  Juncus acutus var. sphaerocarpus David B. Dunn 1946-3-17 Dunn 2102 Riverside In marshy area at pushawalla palms springs. Indio hills Comment
  UC1543042  Juncus bufonius Donald G. Nelson 1936-5-21 375 Riverside just e Jurkey Creek Camp area (e of Lake Hemet, and n of Mt. Thomas); San Jacinto Mountains Comment
  UCR201684  Juncus bufonius var. occidentalis Scott D. White, Justin M. Wood 2008-5-15 11993 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  UC1931241  Juncus effusus Scott D. White, Justin Wood 2008-7-9 12420 Riverside San Jacinto Mountains: Johnson Meadow (Idyllwild) Comment
  VVC527  Juncus longistylis A. C. Sanders, J. Mac 1997-5-4 20693 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek. 854 Comment
  RSA594506  Juncus mexicanus Darin L. Banks, Rashmi Pant 1996-5-13 1017 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; In a small spring in oak woodland, approximately 1 km E of the Dripping Springs Guard Station, S of Hwy. 79 536 Comment
  POM14181  Juncus rugulosus E. C. Jaeger 1921-7-15 s.n. Riverside Massacre Canyon, [along Potrero Creek] Comment
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Nov 5 2011
  UCR188183  Juncus rugulosus Diane Menuz 2006-6-21 172 Riverside Peninsular Range; Santa Ana Mtns, Santa Rosa Plateau, at intersection of Tenaja Truck Rd. and Ranch Rd. 541 Comment
  RSA715349  Juncus textilis A. C. Sanders, T. B. Salvato 2006-6-2 33076 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Canyon/Scott Road and north of Clinton Keith Road. 518 Comment
  UCR164569  Juncus textilis S. J. Myers 2001-7-16 s.n. Riverside San Jacinto Mtns, Bautista Canyon 878 Comment
  UCR25015  Juncus textilis J. A. Harpel 1981-11-4 s.n. Riverside San Jacinto Mtns., Bautista Canyon SE of Valle Vista. 884 Comment
  UCR193287  Juncus tiehmii A. C. Sanders, Tim Thomas 2008-6-20 35547 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  POM319680  Juncus xiphioides Patricia Wilder 1971-3-20 4894 Riverside Santa Ana River. Santa Ana River Drainage Area. 244 Comment
  RSA190344  Juncus xiphioides Phillip A. Munz, L. F. Street 1919-5-7 2777 Riverside Tahquitz Canyon 244 Comment
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Feb 13 2010
  SBBG104053  Juncus xiphioides A. C. Sanders with O. F. Clarke 1991-6-10 11136 Riverside Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River; Riverside 238 Comment
  CHSC83606  Juniperus californica John Dittes 2002-1-5 2 -49 Riverside Mojave Desert; ca. 11 air-miles south-southwest of Twentynine Palms, ca. 0.8 mile northwest of Hidden Valley Campground, ca. 1 mile east of Lost Horse Ranger Station, base of ridge west of Loop Road. 1286 Comment
  UCR20717  Juniperus californica A. C. Sanders, S. D. Boyd 1980-5-2 1424 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  CAS-BOT-BC234589  Justicia californica E. A. McGregor 1917-3-18 731 Riverside Painted Canon [Canyon], Colorado Desert Comment
  CAS-BOT-BC234601  Justicia californica Ira L. Wiggins 1937-3-9 8757 Riverside 5 miles west of Shaver's Well Comment
  POM308629  Justicia californica Henry J. Ramsey, Henry J. Ramsey 1937-5-9 3220 Riverside Near Desert Center. Comment
  RSA402304  Justicia californica Christopher Davidson 1973-4-1 1846 Riverside Palm Springs. 488 Comment
  SD41289  Justicia californica H. DeForest 1931-3-1 Riverside Colorado Desert near Palm Springs Comment
  SEINET2163601 Image available Justicia californica Philip A. Munz 1940-3-24 15692 Riverside 3 miles south of Cottonwood Springs, Eagle Mountains 460 Comment
  SBBG129032  Kallstroemia californica A. C. Sanders, T. B. Salvato 2012-10-10 40414 Riverside Sonoran (Colorado) Desert: 120 Comment
  CAS-BOT-BC235496  Keckiella antirrhinoides B. Pitzer 1997-3-23 2956 Riverside Lakeview Mtns, ca. 1 air mi. SSW of Mt. Rudolph, along powerline rd .3 mi. E of Contour (Juniper Flats) Rd. 610 Comment
  CDA28958  Keckiella antirrhinoides Mike Lahti 2009-4-7 PDR# 1501611 Riverside East Hemet. 0 Comment
  SJSU7694  Keckiella antirrhinoides N. D. Addy 1962-4-16 53 Riverside Railroad Canyon Rd c. 4-5 mi E of Elsinore 396 Comment
  UCR174569  Keckiella antirrhinoides Jennifer H. Jones, Toby Bartels 2006-4-23 284 Riverside Transverse Ranges; San Bernardino Mtns., Banning Pass, NE of Cabazon along powerline road and in Deep Canyon 744 Comment
  UCR138896  Keckiella antirrhinoides var. antirrhinoides D. L. Banks 1997-4-5 1658 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
  SEINET7048170  Keckiella antirrhinoides var. microphylla Steven R. Hill 2001-5-3 33676 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  NY790223  Keckiella cordifolia D. L. Banks 1996-6-6 1119 Riverside Northwest Palomar Mountains; Agua Tibia Mountains; northwest foothills of Dorland Mountain; south end of Los Caballos Road, University of California-Emerson Oaks Reserve, southwest side of the Water Storage tank. 100 m north of the road junction between 457.2 Comment
  POM17864  Keckiella cordifolia Philip A. Munz 1923-6-14 7100 Riverside Glen Ivy Trail to Santiago Peak, Santa Ana Mountains. 915 Comment
  RSA89026  Keckiella cordifolia M. Dillon 1954-6-15 s.n. Riverside Canyon near Glen Ivy Hot Springs Comment
  POM10202  Keckiella rothrockii subsp. jacintensis Charlotte M. Wilder 984 Riverside Above Round Valley. Comment
  POM11402  Keckiella rothrockii subsp. jacintensis Philip A. Munz 1922-9-6 6400 Riverside Round Valley. 2744 Comment
  RSA0019435  Keckiella ternata Duncan S. Bell, Joy D. England 2010-6-7 1267 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.4 air miles southeast of junction of Highway 74 and forest service road 5S15. Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 780 Comment
  UC38693  Koeleria macrantha H. M. Hall June, 1901 2131 Riverside hillsides of Coyote Canyon Santa Rosa Mountain; San Jacinto Mountains, , Coyote Canyon 1584 Comment
  UCD85662  Koeleria macrantha A. A. Beetle 1944-4-27 3002 Riverside West of Murietta. Comment
  CAS-BOT-BC61421  Krameria bicolor Geo. B. Grant 1906-5-1 6786 Riverside Colorado desert at Palm Springs, southern California Comment
  JOTR34022  Krameria bicolor La Doux, Tasha, M. Harding 2010-4-7 2909 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; in upper reaches of side canyon, approx. 1 mile north of park boundary Comment
  SBBG24914  Krameria bicolor D. Myrick 1966-4-1 1348 Riverside adjoining Linda Vista Lodge, Desert Hot Springs Comment
  SBBG3341  Krameria bicolor H. and M. Dearing 1946-6-8 4343 Riverside 2 mi N of Palm Springs Comment
  JOTR16724  Krameria erecta Baker, James K. & Baker, Ilisa T. 1966-6-26 s.n. Riverside Joshua Tree National Park. ROAD TO PROSPECT 1/2 MILE WEST OF SPLIT ROCK 1341 Comment
  UCR228387  Krameria grayi Thomas R. Stoughton, J. McConnaughy, D. Monks 2010-5-25 218 Riverside Mojave Desert; East Mojave Desert, Cadiz Valley. Iron Mtns. Just E of junction of hwy 62 and hwy 177, NW of hwy 62 420 Comment
  UCR26506  Lagophylla ramosissima subsp. ramosissima A. C. Sanders, S. Hagopian 1981-5-20 2147 Riverside Perris-Aguanga Basin, S side of Pauba Valley, within l mi of Hwy 71 bridge over the Temecula River 367 Comment
  UCR101796  Lamium amplexicaule George K. Helmkamp, E. A. Helmkamp 1997-3-5 1329 Riverside 2.8 mi SE of Gilman Hot Springs 518 Comment
  UCR29820  Langloisia setosissima George K. Helmkamp 1983-3-24 383- 11 Riverside Sonoran (Colorado) Desert, north base of the Little Chuckwalla Mountains, 1.5 miles east of Graham Pass Road 336 Comment
  RSA778116  Langloisia setosissima subsp. setosissima Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 931 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  UC449758  Langloisia setosissima subsp. setosissima Joseph Grinnell 1910-3-18 Riverside Riverside Mt. Colorado R., Riverside Mt. Comment
  IRVC28837  Larrea tridentata Mark A. Elvin 2005-4-25 4222 Riverside Coachella Valley; N of Palm Springs; N of I10; S of Dillan Road; E of Indian Avenue. Northern Sonoran Desert 244 Comment
  RSA709902  Larrea tridentata Sarah J. De Groot, Leland Lubinsky, Naomi S. Fraga, Lisa Rojas 2005-2-10 4605 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UCR227464  Larrea tridentata Thomas R. Stoughton, J. McConnaughy, D. Monks, M. Volke 2010-4-21 151 Riverside Little San Bernardino Mountains, north of Desert Center, junction of Hwy 177 and Kaiser Road west of Kaiser Road, north of Hwy 177 335 Comment
  RSA610612  Lastarriaea coriacea R. S. Woglum 1938-5-1 1605 B Riverside Peninsular Ranges: South of Hemet; San Jacinto Valley west of San Jacinto Mountains. Comment
  CAS-BOT-BC352912  Lasthenia coronaria John Thomas Howell 1928-3-11 3415 Riverside Morongo Canon, n. Colorado Desert Comment
  CAS-BOT-BC354219  Lasthenia coronaria L. R. Abrams 1935-4-7 13668 Riverside Gavilan Hills 2 mi S.W., Perrin Comment
  RSA0069665  Lasthenia coronaria Cheryl Sevilla, Sarah J. De Groot 2015-2-18 13 Riverside Transverse Ranges; San Bernardino Mountains region: San Gorgornio Wilderness Area; on the plain to the east of Mission Creek; 0.4 miles northwest of the Stone House. 783 Comment
  RSA678113  Lasthenia coronaria Valerie L. Soza, J. Mark Porter, Gary D. Wallace 2001-4-2 1088 Riverside Little San Bernardino Mountains region: Big Morongo Wash. 473 Comment
  UCR114339  Lasthenia coronaria Mitch Provance 2000-4-8 2009 Riverside Jurupa Mountains, S extension of 'Rattlesnake Mt.', <100 m west of peak 1739. 518 Comment
  UCR116965  Lasthenia coronaria A. C. Sanders, T. B. Salvato 2001-5-3 24090 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR94269  Lasthenia coronaria Scott D. White 1996-4-14 3899 Riverside Perris Basin/San Jacinto Mtns., E of Hemet: San Jacinto River Wash near Valle Vista, north of Hwy 74, c. 1.7 mi west of USFS Cranston Fire Station 549 Comment
  SEINET7042766  Lasthenia glabrata W. P. Vestal, A. G. Vestal 1955-3-25 3476 Riverside Adenostoma chaparral, Lakeview Mountains on Juniper Flat Road. Lakeview quadrangle UTM Zone 11, 489935mE, 3735502mN. Comment
  RSA731979  Lasthenia glabrata subsp. coulteri A. C. Sanders 2008-4-15 34887 Riverside Peninsular Range: NE edge of city of Elsinore, off Nichols Rds. along Baker St. near Durant Siding. 383 Comment
  RSA654618  Lasthenia gracilis Lydia Paneri 1982-4-17 39 Riverside Cajalco Road, 2 miles east of I-15; south of Corona. Comment
  RSA674762  Lathyrus vestitus Scott D. White, Pam De Vries 2000-4-25 7733 Riverside Temescal Valley: Corona area, eastern foothills of Santa Ana Mountains just above citrus groves. 412 Comment
  RSA180276  Lathyrus vestitus subsp. alefeldii E. W. Lathrop 1965-4-4 5627 Riverside 8 miles west of Murrieta-Tenaja Range. Comment
  RSA651394  Lathyrus vestitus subsp. alefeldii Marion P. Harthill 1976-5-6 s.n. Riverside Cleveland National Forest. 609 Comment
  UC64361  Lathyrus vestitus var. vestitus H. M. Hall 1897-4-17 471 Riverside Beaumont Comment
  CAS-BOT-BC320800  Layia glandulosa T. B. Salvato; John F. Green 2004-5-27 705 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
  JEPS39176  Layia platyglossa W. L. Jepson 1939-4-17 19157 Riverside Temecula Temecula 304 Comment
  UCSB17219  Layia platyglossa Torngren, W. 1963-5-5 Riverside Hemet Meadow, 1.3 miles south of Hurkey Creek Campground on California Highway 74 1341 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
  RSA69836  Leersia oryzoides J. C. Roos, L. Roos 1951-10-24 5345 Riverside Outlet of Fairmount Park Lake 259 Comment
  CAS-BOT-BC534385  Lemna gibba R. F. Thorne; E. Lathrop 1969-6-6 39344 Riverside Santa Rosa Plateau: Rancho California 609 Comment
  RSA741378  Lemna minuta Scott D. White, Justin M. Wood 2008-5-15 11978 Riverside Johnson Meadow. 1415 Comment
  UCR121799  Lepidium dictyotum var. acutidens A. C. Sanders, Carolyn Washburn 2001-4-17 24055 Riverside San Jacinto Valley, southwest edge of Hemet, north of Stetson Av. midway between Warren Rd. and California Av., east of canal 457 Comment
  UCR162956  Lepidium dictyotum var. acutidens Fred M. Roberts, D. E. Bramlet 2005-4-1 6152 Riverside Upper Salt Creek, W of Hemet, parcel between Devonshire and Florida, c. 0.2km N of Florida and 0.2km W San Diego Aquaduct; c. 2km NW Ryn Field 457 Comment
  SD21524  Lepidium fremontii Frank F. Gander 1938-5-21 5767 Riverside Shaver's Summit Comment
  UCR218317  Lepidium fremontii var. fremontii Jim Andre, T. La Doux 2009-3-10 11247 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
  RSA162684  Lepidium lasiocarpum J. D. Olmsted 1958-3-29 71 Riverside 3 miles N of Cottonwood Spring in Joshua Tree national Monument which is 8 miles from the southern entrance. 991 Comment
  RSA697451  Lepidium lasiocarpum J. R. Bruff 1927-3-12 34 Riverside Fingal Comment
  UCR138640  Lepidium nitidum var. nitidum D. L. Banks, J. Moreno 1997-2-5 1266 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation. Recently burned area at the northern boundary of the Reservation, just north of Anza Road 409 Comment
  CAS-BOT-BC60110  Lepidium virginicum var. menziesii A. C. Sanders; G. Waines; B. Ehdaie; A. Aryavand 1997-3-12 19881 Riverside Lake Skinner area. Lower Rawson Canyon, northeast of the lake and southwest of Black Mountain, along the road. 518 Comment
  RSA525337  Lepidium virginicum var. robinsonii Steve Boyd, Dave Bramlet 1990-4-29 4467 Riverside Lake Skinner County Park, S flank of Bachelor Mountain Comment
  UCR1539  Lepidium virginicum var. robinsonii R. L. Irwin 1962-5-8 69 Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, Sycamore Canyon, c. 1.4 mi S on Canyon Crest Dr. from Pennsylvania Ave.; then left on a dirt road c. 0.3 mi; then to right about 0.5 mi to end ofroad; then over hill and up stream about 0.25 mi. 351 Comment
  SEINET3147931  Lepidospartum squamatum L. S. Rose 1938-12-20 38332 Riverside 3 mi. SE of Palm Springs Station, Whitewater Wash 274 Comment
  UCR107736  Leptochloa uninervia John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  CLARK-A1528-721  Leptodactylon californicum Larry Cohen 1969-5-10 Riverside 655 Comment
  RSA752545  Leptodactylon californicum Justin M. Wood 2009-3-10 351 Riverside Hwy 243, near base of the mountains, 0.5 miles up the highway from Smith Creek bridge. 695 Comment
  POM364670  Leptosiphon floribundus subsp. hallii Anstruther Davidson 1902-5-11 1914 Riverside Martinez Canyon Rd. Comment
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May 22 2012
  JOTR32900  Leptosyne californica La Doux, Tasha, E. Babich, J. Galvin 2008-2-21 2941 Riverside Joshua Tree National Park. eastern edge of Hexie Mountains; Wilson Canyon, open coarse sandy bajada west of pull out for Silver Bell Mine 804 Comment
  POM118637  Lesquerella tenella Marcus E. Jones 1924-2-28 s.n. Riverside West of Blythe. Comment
  UCR21842  Lessingia filaginifolia 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
  UCR114844  Lessingia filaginifolia var. filaginifolia Mitch Provance 1998-2-17 60 Riverside Jurupa Mountains, Slopes on the W side of Sierra Blvd, c. 0.7 km NNW of the Jensen Quarry 396 Comment
  RSA692225  Lessingia glandulifera var. glandulifera Scott D. White 2003-10-9 9822 Riverside Pine Cove area. Dutch Flat. 1753 Comment
  UCR18401  Lessingia glandulifera var. glandulifera A. C. Sanders 1978-9-3 0145 Riverside San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  MACF014189  Libocedrus decurrens Richard Walker 1967-9-30 101 Riverside South side of spillway ca. 20 yds. from Hiway. 1584 Comment
  UCR217562  Limnanthes gracilis subsp. parishii Jeff B. Galvin 2009-4-2 82 Riverside Peninsular Ranges, foothills of the Santa Ana Mountains, Santa Rosa Plateau, Mesa de Colorado, east of the large vernal pool 607 Comment
  UCR198186  Linanthus bigelovii Michael Honer, L. Hulse 2004-4-2 1884 Riverside Colorado(Sonora) Desert, Little San Bernardino Mountains. Blind Canyon, c. 0.5 mi north of Desert Hot Springs 488 Comment
  LA206675  Linanthus californicus Elizabeth McClintock; J. Fenley 1937-7-10 sn Riverside San Jacinto Mountains, between Hidden Lake and Round Valley Comment
  RSA720466  Linanthus dianthiflorus Naomi Fraga, Tim Thibault 2006-5-16 1672 Riverside ca. 2.5 miles up Morris Ranch Road near its intersection with a locked FS road west of Goff Flat. 1585 Comment
  UC665884  Linanthus dianthiflorus Ira L. Wiggins 1941-3-27 9692 Riverside 4 mi n Whitewater Comment
  RSA4388  Linanthus dianthiflorus subsp. dianthiflorus C. B. Wolf 1932-5-20 34 Riverside Richman Ranch, 2 1/2 mi. nnorth of De Luz(?). S.W. riverside. Comment
  RSA85447  Linanthus dianthiflorus subsp. dianthiflorus J. C. Roos 1952-4-13 5529 Riverside Box Springs Mts. 488 Comment
  UCR121238  Linanthus dianthiflorus subsp. farinosus Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2250 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  UCR35061  Linanthus floribundus L. B. Ziegler 1967-5-18 132 Riverside San Jacinto Valley, side canyon off lower Bautista Canyon 534 Comment
  HSC82839  Linanthus jonesii A. C. Sanders, Pitzer, Charlton, Kniffen 1986-3-3 6108 Riverside Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the S 489 Comment
  RSA741068  Linanthus lemmonii Scott D. White, Justin M. Wood 2008-6-5 12076 Riverside San Jacinto Mountains: Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  UCR101468  Linanthus liniflorus A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22216 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Middle Branch of Millard Canyon 1341 Comment
  UCR113036  Linaria canadensis var. texana Mitch Provance 1998-3-26 279 Riverside Jurupa Mountains, Glen Avon Hts., Boulder Hill Park, 0.7 km west of Pyrite St. on north side of Granite Hill Dr. 305 Comment
  UCR220320  Linaria canadensis var. texana John F. Green 2005-3-7 s.n. Riverside Peninsular Range, Wildomar, west of Grand Ave off Sweet Nectar Rd. 415 Comment
  POM128389  Lithophragma affine subsp. mixtum T. Craig 1927-4-23 221 Riverside Glen Ivy. Comment
  RSA519244  Lobularia maritima Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  RSA27972  Loeseliastrum matthewsii C. L. Hitchcock 1940-4-4 5948 Riverside Pinto Basin. Comment
  POM201348  Loeseliastrum schottii A. M. Alexander, Louise Kellogg 1941-5-15 2174 Riverside North base of Eagle Mountain. 884 Comment
  RSA757631  Logfia filaginoides LeRoy Gross, Jacqueline McConnaughy, Andrew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4323 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
  SD144487  Logfia filaginoides A. C. Sanders 1997-3-1 19700 Riverside Box Springs Mtns: Coyote Hill (Bench Mark Versity, 1386 ft) and ridge S and SE of the UCR Botanic Garden. 427 Comment
  UC1523458  Logfia filaginoides Robert F. Thorne and C. W. Tilforth 1980-5-28 54230 Riverside wash along river ca 3.2 mi n Whitewater P.O. and Hwy 10; San Bernardino Mts., Whitewater River Comment
  UCR54315  Lolium perenne Frank C. Vasek 1956-6-12 s.n. Riverside Riverside: Hwy 60, 1.05 mi east of Chicago Ave. on the University of California, Riverside campus Comment
  JEPS15839  Lomatium lucidum W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1484 Riverside Aguanga Comment
  JOTR30047  Lomatium mohavense La Doux, Tasha, Erin Babich, Bill Truesdell 2008-3-10 1780 Riverside Joshua Tree National Park. Stop #4- Northwest end of Eagle Mountains near road heading to Cottonwood Canyon. 910 Comment
  OBI52756  Lomatium utriculatum L. LaPre, J. Eason 1988-1-27 s.n. Riverside Santa Rosa Plateau, Mesa de Burro, Santa Rosa Springs Ranch Comment
  UC56510  Lomatium utriculatum H. M. Hall Apr. 1902 2946 Riverside vicinity of Riverside 365 Comment
  UCR48488  Lomatium utriculatum Steve Boyd 1986-3-9 1381 Riverside Peninsular Range, Temescal Canyon: Alberhill Mtn., south slope of mtn., just east of claymine area 488 Comment
  RSA359520  Lomatium vaginatum Steve Boyd 1986-3-9 1381 Riverside Temescal Canyon: Alberhill Mountain, S slope of mountain just east of claymine area. 427 Comment
  UCR94946  Lonicera subspicata Scott D. White 1996-8-16 4480 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, SW of Pine Cove & west of Bear Trap Canyon, in watershed above Alvin Meadows, tributary to Toll Road Canyon 1860 Comment
  POM307268  Lonicera subspicata var. denudata Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2118 Riverside Santa Rosa Mountains. Comment
  SDSU2923  Lonicera subspicata var. denudata H. Wedberg 1962-7-29 981 Riverside About 7 miles from hemet on the road to Mountain Center, opposite the 2000' sign. 610 Comment
  POM229029  Lotus argophyllus var. argophyllus P. A. Munz 1937-5-29 15155 Riverside Deep Canyon, Santa Rosa Mountains. 1067 Comment
  POM12089  Lotus crassifolius Mary F. Spencer 1921-6-27 1199 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  UCR41249  Lotus grandiflorus N. M. Fellows 1985-4-9 137 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
  RSA525446  Lotus hamatus Steve Boyd 1990-4-29 4491 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  POM27176  Lotus heermannii Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  SEINET238655 Image available Lotus heermannii A. C. Sanders, T. Schram; D. Wappler 1994-10-4 15773 Riverside San Jacinto Mountains: north slope of the mtns.; Brown Creek drainage 0.3-0.5 mi. above confluence with Twin Pines Creek 915 Comment
  UC15660  Lotus heermannii H. M. Hall Jun 1901 2022 b Riverside Shingle Valley San Jacinto Mountains 1341 Comment
  UC667261  Lotus humistratus Annie M. Alexander and Louise Kellogg 1941-5-15 2185 Riverside n slope Eagle Mountains; Colorado Desert Comment
  UCR103179  Lotus humistratus Scott D. White, Julie Greene 1997-3-12 4775 Riverside Perris Basin, Sun City, near Interstate Hwy 215, south of Perris and north of Menifee, low hills east of Bavaria Drive 488 Comment
  CDA12285  Lotus nevadensis G. F. Hrusa 1993-6-24 11238 Riverside Mt. San Jacinto State Park; Marion Mt. campground, Mt. San Jacinto State Park. Comment
  RSA90410  Lotus oblongifolius E. C. Jaeger 1921-6-11 5449 Riverside Idyllwild Comment
  UC80778  Lotus oblongifolius var. oblongifolius A. W. Anthony 1895-7-13 Riverside San Jacinto Mts. 2438 Comment
  JOTR16686  Lotus rigidus Walters, Jim 1967-3-12 s.n. Riverside Joshua Tree National Park. HIDDEN VALLEY 1280 Comment
  SDSU4339  Lotus rigidus H. Wedberg 1962-4-20 918 Riverside About 1 mile southeast of Pinyon Flats on road to Palm Springs, San Jacinto Mountains. Pinyon-Juniper woodland. 1219 Comment
  UC1287105  Lotus rigidus C. L. Hitchcock 1966-3-16 24197 Riverside 10 mi s Palm Desert (along Palm to Pines Hwy) Comment
  UC1584110  Lotus salsuginosus Steve Boyd, Tim Ross, Laurel Arnseth 1990-3-29 3834 Riverside n side mouth of Temecula Creek Canyon (and adjacent benches of Big Oak Mtn.); Vail Lake Area, Big Oak Mtn. 396 Comment
  RSA90426  Lotus salsuginosus var. salsuginosus F. W. Peirson 1928-3-10 7705 Riverside Hidden Spring, northern Colorado Desert. Comment
  RSA658884  Lotus scoparius Douglas A. Springer 1981-2-16 6 Riverside 2.9 miles E of La Serra Rd., E of Corona. Comment
  UCR182501  Lotus scoparius subsp. brevialatus Andrea Salzman, Ricky Escobar, et al 2006-4-10 45 Riverside Peninsular Range, Agua Tibia Wilderness at Arroyo Seco, c. 0.5 mi. south of Dripping Springs Guard Station 518 Comment
  CLARK-A1528-2808  Lotus strigosus John C. Roos 1954-5-15 6120 Riverside Reche Canyon 731 Comment
  RSA784932  Lotus strigosus Duncan S. Bell 2012-2-12 3100 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  UC68652  Lotus strigosus H. M. Hall Apr 1905 5952 Riverside McCoy Wash Colorado Desert 91 Comment
  UCR103907  Lotus strigosus B. G. Pitzer 1997-4-11 3108 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
  UCR155938  Lotus strigosus 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
  UCR183165  Lotus strigosus Mitch Provance 2003-5-5 4410 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  UCR187510  Lotus strigosus Scott D. White 1995-8-23 3584 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  UCR225730  Lotus strigosus A. C. Sanders, T. B. Salvato 2011-3-30 38897 Riverside Peninsular Range, city of Lake Elsinore, N of Pasadena St. c. 0.35 km NW of Central Ave. intersection 385 Comment
  RSA688834  Lotus strigosus var. strigosus Scott D. White, Michael Honer 2003-4-9 8992 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
  UCR90319  Lotus tomentellus Ed LaRue 1993-4-29 s.n. Riverside Sonoran (Colorado) Desert, Blythe landfill, along Blythe-Midland Road, 3 mi. south of the Big Maria Mtns, 6 mi. west of Colorado River 137 Comment
  RSA525225  Lotus wrangelianus Steve Boyd 1990-5-3 4603 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  POM349937  Lupinus arizonicus Robert L. Dressler 1949-3-19 430 Riverside Coxcomb Mountains, 23 miles NE of Desert Center. Comment
  POM46812  Lupinus arizonicus Mary F. Spencer 1920-3-16 1494 Riverside Mecca -60 Comment
  RSA33513  Lupinus arizonicus N. C. Cooper 1944-4-8 1078 Riverside Andreas Canyon. 305 Comment
  RSA659789  Lupinus arizonicus J. C. Roos 1947-2-15 3268 Riverside Lost Palms Cyn. S face of Eagle Mtns., west of Hayfeilds. Comment
  SBBG81484  Lupinus arizonicus S. A. Junak 1983-3-23 1631 Riverside E side of Jefferson Rd, opposite entrance to Cahuilla Lake County Park Comment
  UCR279239  Lupinus arizonicus A. C. Sanders, Jim Malusa 2017-3-23 42935 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 3 miles east of Iris Pass 771 Comment
  RSA556436  Lupinus bicolor Julie Greene 1993-4-17 1192 Riverside San Jacinto Wildlife Area. Flat area west of Davis Rd. 445 Comment
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Dec 11 2008
  UC1595796  Lupinus bicolor W. Wisura, A. King, and L. Newcomb 1992-4-10 4672 Riverside Stubbe Canyon n West Palm Springs (Gorgonio Pass); , Stubbe Canyon Comment
  POM157897  Lupinus bicolor subsp. microphyllus Philip A. Munz 1927-5-21 10895 Riverside Coahuila Valley. 1372 Comment
  RSA652736  Lupinus bicolor subsp. microphyllus Marion P. Harthill 1971-3-19 14 Riverside Palm Desert. Comment
  SEINET3101907  Lupinus concinnus Marc A. Baker, with Michelle Cloud-Hughes 2011-6-12 17377 Riverside Goff Flat, 5.5km SW of Pyramid Peak Comment
  SEINET9312483  Lupinus concinnus Unknown 1976-5-4 Riverside Red Mountain Road. Comment
  UC15828  Lupinus concinnus Geo. F. Reinhardt June, 1897 Riverside San Jacinto Mountains Comment
  RSA613400  Lupinus concinnus subsp. concinnus D. L. Banks 1997-4-5 1691 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. South of Dorland Mountain, just west of the Wilderness Area boundry, along a tributary of the north fork of Pechanga Creek. 518 Comment
  RSA407148  Lupinus concinnus subsp. optatus Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  RSA670630  Lupinus densiflorus var. lacteus B. C. Templeton 1930-4-9 1493 Riverside East of Riverside 700 Comment
  LA205063  Lupinus excubitus var. hallii W. E. Pequegnat; 1939-4-8 27 Riverside Santa Ana Mountains Comment
  POM305657  Lupinus excubitus var. hallii Henry J. Ramsey, Henry J. Ramsey 1939-4-22 1009 Riverside North of Hemet. Comment
  SD152850  Lupinus excubitus var. hallii Steve Boyd, Tim Ross, Orlando Mistretta 1992-2-26 6703 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area, San Mateo Canyon from Fisherman's Camp downstream to the confluence with Bluewater Canyon, benches at confluence with Bluewater Canyon 305 Comment
  UC729971  Lupinus excubitus var. hallii Carl B. Wolf 1932-5-25 3687 Riverside n Banning (Gilman Ranch in the foothills, in small canyon); foothills n of Banning 853 Comment
  UCR84571  Lupinus excubitus var. hallii Steve Boyd 1986-4-22 1750 Riverside Temescal Canyon, Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mountain and Gavilan Hills 427 Comment
  UC1542843  Lupinus formosus D. B. Dunn, Conrad and Kenney 1973-6-15 20769 Riverside gas station on the sw corner at the Jct of Hwy 74 and 71 1432 Comment
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May 24 2012
  RSA757627  Lupinus hirsutissimus LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4327 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
  SD122396  Lupinus hirsutissimus Duffie Clemons, Jim Dice, Glenn Keator 1988-2-18 1943 Riverside Santa Margarita Ecological Preserve west of Temecula, alongside jeep trail leading into Santa Margarita River Canyon Comment
  UCR4134  Lupinus hirsutissimus Ronald M. Cope 1965-3-27 s.n. Riverside Upper Santa Ana River/San Bernardino Valley Region, Canyon on E side of Canyon Crest Drive, c. 2.5 mi. from fire prevention lab. 259 Comment
  RSA619547  Lupinus microcarpus D. L. Banks 1997-5-5 1996 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  SEINET239867  Lupinus microcarpus Rhonda Riggins 1982-4-15 1341 Riverside Guava St. (DeLuz Rd.) 0.4 mi S Jct. Washington Ave. in Murietta. Comment
  RSA0003356  Lupinus microcarpus var. densiflorus Mary F. Spencer 1920-4-11 96 Riverside Palm Springs. Comment
  SD8477  Lupinus shockleyi Parish Apr 1882 Riverside Whitewater Canyon. Comment
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Jan 14 2010
  RSA414837  Lupinus sparsiflorus Freda Detmers 1933-3-25 17156 Riverside Between Banning and Cabazon. Comment
  UC56612  Lupinus sparsiflorus H. M. Hall Apr. 1902 2939 Riverside Riverside Comment
  UCR225506  Lupinus sparsiflorus A. C. Sanders 2011-3-29 38838 Riverside Peninsular Range; Edge of Gavilan Hills, Meadowbrook area, between Perris and Lake Elsinore, along Hwy 74 SW of Wasson Canyon Rd. 508 Comment
  UCSB10438  Lupinus sparsiflorus Lloyd, Robert 1960-3-23 Riverside 2 miles up Snow Canyon Road from State Rd. 111; San Jacinto Mt. Range; Colorado Desert drainage area 609 Comment
  RSA0028835  Lupinus sparsiflorus subsp. sparsiflorus Robert F. Thorne, F. R. Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55500 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  RSA701655  Lupinus sparsiflorus var. arizonicus Keith E. Hoffmaster 1935-3-31 s.n. Riverside Palm Springs Comment
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Aug 27 2011
  VVC230  Lupinus succulentus F. Zaebst 1959-3-29 s.n. Riverside 0.2 miles south of Murrietta Hot Springs Rd on W side of US 395 349 Comment
  SD137763  Lupinus truncatus Darin L. Banks, Steve Boyd 1995-3-30 122 Riverside Agua Tibia Wilderness Area; north slope of Agua Tibia Mountain, west of the Dripping Springs Alcove, east of the Woodchuck Trail. 725 Comment
  UCR176898  Lupinus truncatus Tracy Tennant 1998-5-13 1017 Riverside Peninsular Range, Vail Lake outlet, Temecula Creek Canyon 488 Comment
  UCR177702  Lupinus truncatus Michael Wall, Jett, Perez, and Garcia 1994-6-1 60 Riverside Peninsular Ranges; Perris-Aguanga Basin region, S of Hemet, 0.2 mi west of Benji Lane off Hwy R-3 168 Comment
  UCR41638  Lycium andersonii A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6094 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  SEINET10847720 Image available Lycium andersonii var. deserticola Samuel B. Parish 1896-4-4 Parish 4132 Riverside Palm Springs, (Agua Caliente), desert base of San Jacinto Mt. 152 Comment
  UCR140719  Lythrum californicum A. C. Sanders 2004-5-12 27890 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  UCR251344  Lythrum californicum S. J. Myers 2014-5-21 1066 Riverside Western Edge Sonoran (Colorado) Desert, Whitewater, along Whitewater River at I-10 407 Comment
  UCR158853  Lythrum hyssopifolia Scott D. White 1994-6-14 2061 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  RSA502190  Machaeranthera asteroides var. asteroides Steve Boyd, T. S. Ross, L. Arnseth 1989-6-11 3718 Riverside Vail Lake area, recently burned hills at W end of lake SW of dam. 488 Comment
  UCR60656  Machaeranthera canescens subsp. ziegleri L. B. Ziegler 1969-9-30 s.n. Riverside Santa Rosa Mtns, north slope of Santa Rosa Mtns. 2287 Comment
  UCR26090  Machaeranthera cognata John C. Roos 1947-2-1 3226 Riverside Western Colorado Desert, Painted Canyon, Mecca Hills. Comment
  RSA479855  Machaeranthera tephrodes L. F. LaPre, K. Campbell 1988-4-1 s.n. Riverside Colorado River Valley at Blythe. 91 Comment
  UC1595643  Madia gracilis Steve Boyd and Orlando Mistretta 1991-5-9 6186 Riverside lower flank of range along Bedford Truck Trail on ridge between Bedford Cyn. and McBribe Cyn.; Santa Ana Mountains 548 Comment
  UCD134317  Madia gracilis E. W. Lathrop 1966-5-5 6268 Riverside 5 miles west of Murrieta. Comment
  RSA519259  Malacothamnus densiflorus var. densiflorus Ed LaRue 1989-4-26 s.n. Riverside 2 mi. (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  UCR251866  Malacothamnus fasciculatus M. A. Voeltz 2014-5-25 s.n. Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon near Corona, Cleveland National Forest, Trabuco Ranger District 403 Comment
  SEINET3449048  Malacothamnus fasciculatus var. fasciculatus Steven R. Hill, Andrew C. Sanders 2001-5-4 33731 Riverside Santa Rosa Plateau, Santa Rosa Plateau, Carancho Road, about 1370 feet northeast of San Diego county line, west side of De Luz Creek valley, descending plateau downslope from "cut flower" farm, Fallbrook Quadrangle (topo map) 180 Comment
  UC1536760  Malacothrix coulteri G. H. True 1935-3-14 108 Riverside Gavilan Hills 609 Comment
  CHSC23880  Malacothrix glabrata T. M. Lane 1975-3-24 7 Riverside 1 mi n of US Interstate 10 at s entrance of Joshua Tree National Monument on Pinto Basin Rd. Mojave Desert. 533 Comment
  POM362320  Malacothrix glabrata Ora M. Clark 1929-2-22 156 Riverside W of Whitewater, Colorado Desert. Comment
  UCR138581  Malacothrix glabrata Steve Boyd, Orlando Mistretta 1986-3-13 1433 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
  UCR249657  Malacothrix glabrata T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7309 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  VVC93  Malacothrix glabrata A. C. Sanders, J. Mac 1997-5-4 20642 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
  UCR15462  Malacothrix stebbinsii George K. Helmkamp 1977-3-12 s.n. Riverside Sonoran (Colorado) Desert, Deep Canyon at the bottom of the main wash near marker 40. South of Palm Desert 305 Comment
  SEINET3449033  Malva parviflora Unknown 2001-4-29 33519 Riverside Calimesa, Calimesa, south side of route interstate 10 right of way, 0.2 miles west of Desert lawn Road exit, small drainage culvert at San Timoteo Wash 700 Comment
  RSA675798  Malvella leprosa Scott D. White 2001-7-9 8721 Riverside Menifee: 1 mile southwest of Bell Mtn. and 1/2 mile east of I-215 Freeway. 445 Comment
  SFV6503  Mammillaria dioica T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 41 Riverside 4 miles south of Highway 111 on Highway 74. 305 Comment
  UC1713780  Mammillaria tetrancistra P. A. Munz and D. Keck 1922-4-13 5016 Riverside Chuckawalla Mts. Colo. Desert Comment
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Aug 28 2016
  RSA229828  Marah macrocarpa Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 588 Riverside Cleveland Nat. Forest. 6.5 mi. S of Lake Elsinore along Forest Route 7SO4 Comment
  RSA441204  Marah macrocarpa Freda Detmers 1930-2-2 s.n. Riverside Palm Canyon. Comment
  RSA441209  Marah macrocarpa N. C. Cooper 1944-5-20 1259 Riverside Palms to Pines Highway [Hwy 74], San Jacinto Mountains. 1280 Comment
  RSA662175  Marah macrocarpa Stephen Hill 1981-2-16 6 Riverside Cajalco Rd. 6.3 mile E. of hwy 15. on N side of road approx. 100 yards from road. Comment
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Jul 14 2013
  SBBG54812  Marah macrocarpa D. Keil, M. McLeod 1979-3-18 12976 Riverside ca. 0.5 mi W of jct with Riverside County rd R-3 along Hwy 79 548 Comment
  SEINET272334  Marah macrocarpa A. C. Sanders, G Waines; Et Al 1997-3-12 19909 Riverside Lake Skinner Area; upper Rawson Canyon 2.5mi NNE of Skinner Lake 1 mi SW of Crown Valley 595 Comment
  UCR135861  Marah macrocarpa A. C. Sanders 2004-4-20 27525 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
  UCR96803  Marah macrocarpa A. C. Sanders 1997-3-1 19755 Riverside Box Springs Mountains, E side of Pigeon Pass Valley c. 1/2 mile NW of Lawless Ranch, east of intersection of Hidden Springs Road and Pigeon Pass Road. 579 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
  RSA284804  Marina orcuttii J. Zabriskie 1976-6-1 848 Riverside Santa Rosa Mountains, along the Cactus Springs Trail, 0.25 miles east of Horsethief Creek 1159 Comment
  JEPS41718  Marina parryi M. Clary 1931-4-4 4 Riverside wash of Santa Rosas Coachella Valley, Devils Canyon Comment
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Nov 6 2011
  JEPS46238  Marina parryi H. M. Hall 1905-4-22 5846 Riverside Canyon Spring Colorado Desert Comment
  POM307224  Marina parryi Henry J. Ramsey, Henry J. Ramsey 1940-4-14 1997 Riverside Colorado Desert, north of Blythe. Comment
  RSA404236  Marina parryi M. B. Dunkle 1935-3-30 4424 Riverside Pinto Basin, Colorado Desert. 915 Comment
  UCR33653  Marina parryi Sears 1977-10-10 S 523 Riverside Sonoran (Colorado) Desert, 10 mi NE of Desert Center, base of Coxcomb Mtns 171 Comment
  CAS-BOT-BC71093  Marsilea vestita P. A. Munz; I. M. Johnston 1922-5-5 5154 Riverside Mystic Lake, near Moreno 426 Comment
  RSA557320  Marsilea vestita Julie Greene, Steve Boyd, Dave Bramlet, Hilda Flores, Helga Ochoterana 1993-7-9 1433 Riverside San Jacinto Wildlife Area: from the edge of drying flood area. 433 Comment
  SD240893  Matricaria occidentalis A. C. Sanders, T. B. Salvato 2011-4-29 39362 Riverside Peninsular Range: Perris-Aguanga Basin Region; Romoland, McLaughlin Road, east of Palomar Road, near powerplant and railroad (Romoland 7.5'Q) 445 Comment
  LA206250  Meconella denticulata W. E. Pequegnat; 1939-4-8 14 Riverside Santa Ana Mountains, Coldwater Trail 701 Comment
  POM348038  Medicago polymorpha N. C. Cooper 1944-4-22 1129 Riverside Banning. 732 Comment
  RSA700093  Melica frutescens Virginia Moran 2003-5-28 s.n. Riverside Wilson Valley Mitigation Bank, managed by the Center for Natural Lands Management. Accessed from Wilson Valley Road. Comment
  UCR51526  Melica frutescens S. J. Myers 1988-2-1 s.n. Riverside Boulder Springs development, immediately SE of intersection of Hwy 60 and Nason St., Moreno Valley 518 Comment
  RSA526502  Melica imperfecta Steve Boyd, Timothy S. Ross 1990-5-11 4697 Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  RSA753930  Melica imperfecta W. Schlegel, Andrew Trouette, Jordan Zylstra 2009-4-16 28 Riverside Idyllwild, Garner Valley. Comment
  SD144118  Melica imperfecta Scott D. White 1997-5-25 5235 Riverside Bautista Canyon, Hixon Trail (USFS No. 2E43), between trailhead at Bautista Cyn. Rd. and intermittent stream crossing 975 Comment
  SEINET7073348  Melica imperfecta A. G. Vestal 1963-4-29 s.n. Riverside South Mesa on Tenaja Grande (Tenaja Trunk Road), Santa Ana Mountains. Cleveland National Forest. Coordinate datum: NAD27. Comment
  UCD87935  Melica imperfecta A. Lewis 1934-3-1 325 Riverside Bedford Canyon, southeast of Corona, National Forest. 762 Comment
  UCR151960  Melica imperfecta Steve Boyd, Aydee Virgen 2004-4-13 10852 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  UCR20737  Melica imperfecta A. C. Sanders, Steve Boyd 1980-5-2 1389 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR241212  Melica imperfecta Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 52 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Canyon near woodland stand H-02 945 Comment
  UCR82224  Melilotus indicus J. M. Stewart 1994-5-2 853 Riverside Western Colorado Desert, Coachella Valley, Thermal. Tyler St. and Airport Blvd. Comment
  UCR194226  Mentha suaveolens Scott D. White, Angelia Carey 2004-6-4 10475 B Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  JOTR30973  Mentzelia albicaulis La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1945 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  RSA0043029  Mentzelia involucrata Duncan S. Bell, Loraine Washburn 2014-4-8 6575 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern/central section of range; approximately 2.25 air miles north of Clemens Well and Bradshaw Trail. 495 Comment
  SBBG99189  Mentzelia involucrata W. L. Halvorson 1977-3-8 77 -94 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  RSA592004  Mentzelia laevicaulis Frederick W. Oettinger 1968-10-23 819 Riverside San Bernardino Mts, Whitewater Canyon, 10milesNNW of Palm Springs, Comment
  JEPS41190  Mentzelia montana Carl V. Meyer 1929-6-13 752 Riverside above Keen Camp (on Idyllwild Road); San Jacinto Mts. Comment
  SDSU8063  Mentzelia multiflora subsp. longiloba D. F Howe 1964-4-13 3762 Riverside 3.3 miles east of Riverside-SanBernardino Co. line, east of Twentynine Palms, Riverside Co. Comment
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Jul 15 2019
  UCR201494  Mentzelia veatchiana Scott D. White, Justin M. Wood 2008-5-15 11973 Riverside San Jacinto Mountains, Garner Valley, northwest of Fobes Ranch Road and northeast of Hwy 74, valley bottom 1357 Comment
  SD178085  Mesembryanthemum nodiflorum A. C. Sanders 2004-5-12 27856 Riverside Elsinore Basin Region: Alberhill Mountain, northwest foot near Lake St. at Alberhill. 377 Comment
  UC2029930  Microseris douglasii subsp. platycarpha Steve Boyd 2001-4-12 10406 Riverside SANTA ANA MOUNTAINS - GAVILAN HILLS REGION: Temescal Canyon, terrace escarpment just south of DePalma Road between Indian Wash and Horsethief Wash. Comment
  UCR217515  Microseris douglasii subsp. platycarpha Lee A. Ripma 2008-3-21 36 Riverside Perris-Aguanga Basin, Gavilan Hills, East of Hwy 15, about 500m south of Lake Matthews and 400m south of Cajalco Rd 429 Comment
  UCR169465  Microseris heterocarpa John F. Green 2005-4-28 s.n. Riverside Peninsular Range; Southern Santa Ana Mtns., Santa Rosa Plateau, hills on the south side of Tenaja Rd., between Squaw Mtn. and DeLuz Creek 655 Comment
  UCR226049  Microseris heterocarpa A. C. Sanders, T. B. Salvato 2011-4-1 38954 Riverside Peninsular Range, Lake Elsinore, old house site on hill top along Baker St. below large water tank on hill, 0.83 km NW of Hwy 74, 0.5 km SW of Elsinore Outlet Mall/Collier Ave., above Temescal wash 403 Comment
  UCR137478  Mimulus aurantiacus D. L. Banks 1997-3-16 1532 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
  UCR252523  Mimulus aurantiacus var. pubescens J. Mendoza 2011-5-28 s.n. Riverside Moreno Valley, Boulder Ridge Dr. east of intersection with Lasselle, north of Ironwood Ave. and east of Perris Blvd. on north side of valley 645 Comment
  RSA442707  Mimulus aurantiacus var. puniceus Robert Gustafson 1983-4-18 2500 Riverside Clinton Keith Road, about 3 miles from its junction with Hwy. 15, eastern slopes of the Santa Ana Mts. 457 Comment
  UC1577079  Mimulus aurantiacus var. puniceus C. B. Clokey, I. W. Clokey, B. Templeton 1930-4-15 4728 Riverside Perres-Gavilan Peak 600 Comment
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Jul 5 2010
  JEPS8177  Mimulus bigelovii var. bigelovii Dr. L. M. Newlon 1922-4-4 452 Riverside near Palm Springs; Palm Canyon Comment
  POM10944  Mimulus bigelovii var. bigelovii P. A. Munz, D. Deck 1922-4-9 4826 Riverside South base of Eagle Mountains 3 miles NE of the 'Hayfields' 213 Comment
  RSA23265  Mimulus bigelovii var. bigelovii Ernest Braunton 1940-03 2038 Riverside Fan Canyon. 20 miles NE of Indio. Comment
  JEPS16172  Mimulus brevipes Rimo Bacigalupi with L. R. Heckard and C. L. Custer 1953-5-5 4078 Riverside 5.5 mi s Sage (along State Highway 79) 609 Comment
  UCR117086  Mimulus brevipes A. C. Sanders, T. B. Salvato 2001-5-16 24300 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  UCR201953  Mimulus brevipes Mike Misenhelter 1998-7-7 s.n. Riverside Peninsular Range; San Jacinto Mtns. Foothills, 35 acre 'Searl Tank' site, foot of the north end of Mica Butte, just SE of the intersection of State St. and Cactus Valley Rd., c. 1 mile south of Hemet 585 Comment
  UCR20540  Mimulus brevipes W. W. Mayhew 1977-7-5 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1835 Comment
  POM8488  Mimulus diffusus Mary F. Spencer 1921-4-8 362 Riverside Tahquitz trail near Idywilld, San Jacinto Mountains 1829 Comment
  RSA296183  Mimulus floribundus Barry A. Prigge 1980-8-5 3821 Riverside Whitewater Canyon; 0.5 mile N of trout farm. 701 Comment
  CSUSB888  Mimulus guttatus Rex Sanders 1973-5-13 Riverside Santa Ana Mountains Collected at 2nd creek crossing Los Pinos forestry camp road 0.7 miles from Highway 74 turnoff; Cleveland National Forest, Santa Ana Mountains; 1 meter from stream, 20 meters from road. 609 Comment
  RSA502520A  Mimulus guttatus Steve Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3575 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  UCR167822  Mimulus guttatus T. B. Salvato, Melissa Clemons 2005-6-2 1347 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
  UCR174626  Mimulus guttatus Holly Summers, Jennifer H. Jones and Thi (Teresa) Bui 2006-5-31 s.n. Riverside Peninsular Ranges; San Jacinto Mtns., Stream below parking lot on Calif. Hwy 243 across road from Lake Fulmor 1616 Comment
  UCSB46712  Mimulus guttatus Reimer, Neil 1977-4-15 Riverside 1 mile S Cajalco Rd; on Santa Rosa Rd Comment
  UC1532827  Mimulus pilosus Robert F. Thorne, C. W. Tilforth, L. DeBuhr and E. Lathrop 1975-8-29 47301 Riverside Mesa de Burro Santa Rosa Plateau, Rancho California (along stream way) 609 Comment
  UCR280960  Mimulus pilosus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-2 617- 07 Riverside Temescal Valley, Horsethief Canyon Wash, S. side of I-15, vicinity of De Palma Rd. 378 Comment
  UC886389  Mimulus tilingii Carl B. Wolf 1932-8-5 3954 Riverside meadow on trail from Tahquitz Valley to San Jacinto Peak (head of a fork of Tahquitz Creek); San Jacinto Mts., 1st Real 2743 Comment
  SEINET7067553  Mimulus viscidus A. G. Vestal 1947-6-13 s.n. Riverside About 5.2 miles northeast of De Luz in Sandia Canyon. Coordinate datum: NAD27. UTM Zone 11, 476286mE, 3704448mN. Comment
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Jul 13 2018
  RSA0110425  Mirabilis bigelovii var. bigelovii Robert F. Thorne, Dick Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54022 Riverside San Bernardino Mountains: At mouth of Whitewater Canyon, ca. 1/4 mi. W of Whitewater P.O. and 1/2 mi. W of Whitewater River. 415 Comment
  CHSC36008  Mirabilis bigelovii var. retrorsa James Henrickson 1973-3-18 8609 Riverside Ca. 33 (air) miles E of Temecula, 5-7 miles SE of Terwilliger at N end of Coyote Canyon Road, on the first steep grade down to canyon. 792 Comment
  UCR138825  Mirabilis californica D. L. Banks 1997-2-23 1306 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation, north of Pechanga Rd. and south of Anza Rd., just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire 460 Comment
  CAS-BOT-BC434681  Mirabilis laevis var. crassifolia G. D. Hanna; M. M. Hanna 1958-2-16 s.n. Riverside Cabazon Comment
  UCR194238  Mirabilis laevis var. crassifolia Mitch Provance, Michael L. Fugate 2005-4-14 10055 Riverside San Bernardino Valley, near the water tanks just E of Versity Hill, or what is known locally as Coyote Hill (pk 1386), a few hundred yards SSE of the UCR Campus 396 Comment
  RSA464833  Mirabilis laevis var. retrorsa Bonnie C. Templeton, I. W. Clokey 1930-4-9 1012 Riverside North of Palm Springs. Colorado desert. 400 Comment
  SEINET3161569  Mirabilis laevis var. retrorsa T. Reeves, D. J. Pinkava 1974-3-19 11767 Riverside dirt road overlooking Whitewater Comment
  RSA464818  Mirabilis laevis var. villosa I. M. Johnston 1917-4-4 13806 Riverside Mouth of Andreas Canyon. 244 Comment
  POM157932  Mirabilis multiflora var. pubescens P. A. Munz 1927-5-21 10838 Riverside Coahuila Valley. 1372 Comment
  RSA516903  Mohavea confertiflora Steve D. Boyd, Orlando Mistretta 1986-3-13 1424 Riverside Palen Mountains; NE of Desert Center, jct. of Parker Dam Rd. and Palen Rd. (road going through pas between Palen and Granite Ranges). 244 Comment
  UCR35351  Mollugo cerviana L. B. Ziegler 1974-7-28 534 Riverside San Jacinto Valley, garden of "Gleason Plantation" 473 Comment
  UCR143095  Monardella breweri subsp. lanceolata Carl Epling 1932-6-26 s.n. Riverside San Bernardino Valley region, Jurupa Hills 610 Comment
  UCSB26224  Monardella breweri subsp. lanceolata Gliessman, Stephen 1968-7-18 Riverside Along Saunders Road, 0.5 mile north of junction with Idyllwild Road, San Jacinto Mountains 1600 Comment
  SD237504  Monardella linoides subsp. linoides Mark A. Elvin 2004-8-3 3653 Riverside Peninsular Ranges: San Jacinto Mtns: Garner Valley; E of Hwy 74, S of Forbes Ranch Rd, N of Morris Ranch Road. 1402 Comment
  UC25469  Monardella linoides subsp. linoides H. M. Hall June 1901 2110 Riverside e base San Jacinto Mountains (along borders of desert); , Colorado Desert Comment
  LA57205  Monardella nana Carl Epling; L. Haines 1937-5-7 sn Riverside Pinon Flats, Pines to Palms Hwy Comment
  RSA651660  Monardella nana subsp. arida Elizabeth McClintock, H. Lewis 1941-6-29 81 Riverside Santa Rosa Peak 2454 Comment
  RSA401635A  Monardella nana subsp. tenuiflora G. Willett 1931-6-24 s.n. Riverside San Jacinto Mountains. Comment
  RSA680517  Monardella nana subsp. tenuiflora Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8636 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
  RSA750272  Monardella nana subsp. tenuiflora Elizabeth McClintock, H. Lewis 1941-6-22 71 Riverside 0.1 mile from fork in road going to the public camps, on the Banning-Idyllwild road. Comment
  RSA750280  Monardella nana subsp. tenuiflora Elizabeth McClintock, H. Lewis 1941-6-29 81 Riverside Santa Rosa Peak 2454 Comment
  UC1499954  Monardella nana subsp. tenuiflora E. and M. McClintock, D. Weiner 1941-7-11 99 Riverside 3/4 mi beyond the snow gate Black Mt. Comment
  UC1499959  Monardella nana subsp. tenuiflora E. and M. McClintock, D. Weiner 1941-7-11 101 Riverside 2 mi beyond the snow gate Black Mt. Comment
  UCR221496  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-12 104 Riverside Peninsular Range; San Jacinto Mtns., Deer Springs and Suicide Rock trail, one switchback below the forks 2073 Comment
  UCR215597  Monardella robisonii Tasha La Doux, Jim Andre 2008-9-16 349 Riverside Mojave Desert, Joshua Tree National Park, northeast end of Splitrock Picnic Area 1327 Comment
  RSA0024817  Monoptilon bellioides Duncan S. Bell, Kim Clark, Bob Ellis, Pam McKay, Jim Pittman, Gene Ratcliff, Ed Schlegel, Felicia Sirchia 2013-2-24 4464 Riverside Orocopia Mountains; south end of range, north of the Coachella Canal, approximately 3 air miles northeast of Dos Palmas Springs. 182 Comment
  UC1922392  Monoptilon bellioides Naomi Fraga, Lisa Rojas 2005-2-10 1350 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCR165265  Monoptilon bellioides John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  UCR75083  Monoptilon bellioides A. C. Sanders, E. J. Lawlor 1992-4-4 12130 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UCSB10245  Monoptilon bellioides Phillips, Priscilla 1958-3-22 Riverside South entrance to Joshua Tree Monument Comment
  RSA0105391  Monoptilon bellioides Henry J. Ramsey, Henry J. Ramsey 1940-4-14 2003 Riverside Colorado Desert, north of Blythe. Comment
  LA10011  Muhlenbergia asperifolia Louis C. Wheeler; 1933-12-2 2313 Riverside US 99, 2 mi. NW Whitewater Station 365 Comment
  RSA648069  Muhlenbergia asperifolia J. C. Roos 1946-9-14 3002 Riverside Dos Palmas Springs east of Asbestos Mt. 1066 Comment
  CAS-BOT-BC275300  Muhlenbergia microsperma Peter H. Raven 1958-2-15 11557 Riverside Corn Springs, Chuckwalla Mountains Comment
  JOTR31899  Muhlenbergia microsperma La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2148 Riverside Joshua Tree National Park. West Cottonwood Mountains; rocky bench between deep drainages in large southwest facing canyon feeding into east Pinkham Wash Comment
  RSA715194  Muhlenbergia microsperma A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32651 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279. 579 Comment
  RSA87356  Muhlenbergia microsperma F. W. Peirson 1921-3-22 4323 Riverside Andreas Canyon, Palm Springs region Comment
  UC1537221  Muhlenbergia microsperma Gordon H. True Jr. 1935-3-11 67 Riverside Box Springs Sycamore Canyon (brushy hillside) Comment
  UCR162285  Muilla maritima S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCD138165  Najas marina Richard Yeo 1977-6-17 s.n. Riverside Canyon Lake, ca. 3.5 miles southeast of Arlington. Comment
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Dec 2 2014
  POM8457  Nama demissa var. deserti Mary F. Spencer 1920-4-5 207 Riverside Palm Springs, Colorado Desert. 122 Comment
  CSUSB114  Nama demissum var. demissum Kirby W. Brown 1966-3-10 Riverside 3.7 miles east of 1000 Palms. 60 Comment
  UCR198171  Nama hispida var. spathulata Michael Honer, Theresa Miller 2005-3-11 2063 Riverside Northeastern Colorado Desert, Rice Valley, 4.5 mi south-southeast of Rice, 1.5 mi east of ATSF railway 220 Comment
  CLARK-A1528-2984  Nama stenocarpa John C. Roos 1951-10-19 5327 Riverside San Jacinto Valley 457 Comment
  UC70887  Nassella cernua H. M. Hall 1902-4-26 2977 Riverside Box Springs Mt. vicinity of Riverside 685 Comment
  RSA501006  Nassella pulchra Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3124 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 518 Comment
  RSA431565  Nasturtium officinale N. C. Cooper 1944-5-6 1175 Riverside Whitewater Canyon. 457 Comment
  RSA561867  Navarretia atractyloides Steve Boyd, T. S. Ross 1992-6-10 7623 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, near the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with main trunk of San Mateo Creek. 405 Comment
  RSA17255  Navarretia hamata C. B. Wolf 1936-6-17 7958 Riverside Santa Ana Mountains, Tenaja Road: road to La Cienaga, 1.4 mile off Ortega Highway. 610 Comment
  UCR154543  Navarretia prostrata Jason L. Hlebakos 2005-5-18 705 Riverside Santa Rosa Plateau, Mesa de Burro in the research area 602 Comment
  SEINET4565894  Nemacaulis denudata var. gracilis Duncan S. Bell 2010-4-2 684 Riverside Arica Mountains: west side of the mountain range within the Palen/McCoy Wilderness; c. 3 air miles northwest of Priest Well 477 Comment
  RSA698132  Nemacladus glanduliferus var. orientalis J. R. Bruff 1928-4-2 111 Riverside Canyon W of Morengo Comment
  SEINET10840560  Nemacladus longiflorus Samuel B. Parish Parish 1628 Riverside San Jaciento Mountains Comment
  RSA0126340  Nemacladus longiflorus var. longiflorus Steve Boyd 1986-4-22 1753 Riverside Temescal Canyon; Stable alluvial benches of Indian wash just S of I-15. Comment
  POM97115  Nemacladus pinnatifidus P. A. Munz 1925-5-20 9839 Riverside 2 miles west of Dripping Springs. 396 Comment
  RSA606433  Nemacladus ramosissimus Jon E. Keeley 1994-4-26 25359 Riverside First year burn, S of Hwy 79, E of Temecula. Vail-3 (Keeley 1994). 980 Comment
  UC126891 Image available Nemacladus rubescens H. M. Hall 1905-4-17 5819 Riverside e base Indio Mt.; Colorado Desert; Indio Mt., Colorado Desert, Riverside Co. 150 Comment
  UCR157883  Nemacladus rubescens A. 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
  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
  SEINET10873457  Nemacladus rubescens Mcneal 1979-4-20 MCNEAL 2209 Riverside Flash flood wash parallel to Highway 195, 9.9 miles southwest of its junction with Interstate 10 Comment
  UCR127498  Nemacladus tenuis var. tenuis A. C. Sanders, G. Nuhn 1995-4-20 16586 Riverside Sonoran (Colorado) Desert, Coachella Valley, near Fan Hill, NE of Dillon Road on an abandoned road, below Little San Bernardino Mtns. NE of 1000 Palms 549 Comment
  CLARK-A1528-2987  Nemophila menziesii John C. Roos 1947-3-21 3371 Riverside Reche Canyon Comment
  UC144187  Nemophila menziesii Baker 1904-4-4 4124 Riverside Elsinore Comment
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Jul 4 2010
  UCR213512  Nemophila menziesii A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37838 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, ridge west of dirt extension of Lake St., 0.9 mi. north (358 deg. ) of intersection of I-15 and Lake St. 488 Comment
  UCR107769  Nicotiana glauca D. L. Banks, E. H. Banks, Dawn Rodriguez, E. Rodriguez 1997-6-20 2168 Riverside NW Palomar Mtns., Agua Tibia Mountains, west of Vail Lake at the intersection of Pauba Road and Los Caballos Road 372 Comment
  UCR792  Nicotiana glauca David T. Wright 1966-5-16 s.n. Riverside 1.6 mi SW of Hwy 60 on Jack Rabbit Trail 701 Comment
  RSA776353  Nicotiana obtusifolia Duncan S. Bell, Amanda Turek 2010-4-10 801 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  UC520043  Nicotiana obtusifolia A. N. Dunn and A. M. Martin 1932-3-26 Riverside Box Canyon Comment
  UCR154439  Nicotiana quadrivalvis A. C. Sanders, Mike Misenhelter 2005-6-15 30982 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  RSA686408  Notholaena californica L. C. Wheeler 1933-12-2 2306 Riverside Mouth Tahquitz Canyon near Palm Springs 144 Comment
  UCSB38730  Notholaena californica Cowan, Clark 1978-4-23 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon 570 Comment
  RSA86207  Notholaena californica subsp. leucophylla F. W. Peirson 1921-3-20 1503 Riverside Andreas Canyon, near Palm Springs. 243 Comment
  RSA292907  Nothoscordum borbonicum F. C. Vasek 1980-5-4 s.n. Riverside Riverside. Comment
  JOTR34283  Oenothera californica subsp. avita La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3287 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Sandy, narrow canyon at base of Quail Mountain with bouldery/rocky slopes; North end of Juniper Flats (Stop 3) Comment
  JOTR29247  Oenothera californica subsp. californica La Doux, Tasha 2005-8-17 1528 Riverside Joshua Tree National Park. Queen Valley, at intersection of Park Blvd. and O'Dell Rd. 1338 Comment
  RSA263905  Oenothera californica subsp. californica C. W. Tilforth 1976-5-22 1208 Riverside Along Miliken Ave. in NW Riverside Co. Comment
  RSA338178  Oenothera californica subsp. californica Robert F. Thorne, R. Dahlgren, Gertrud Dahlgren 1979-8-22 53586 Riverside Joshua Tree National Monument; Vicinity of Ryan Campground to base of Ryan Mountain. 1319 Comment
  UC1241189  Oenothera californica subsp. californica Peter H. Raven 1959-5-18 14244 Riverside Hemet Meadows San Jacinto Mountains Comment
  UCR281884  Oenothera californica subsp. californica R. E. Riefner Jr. 2017-9-4 17- 452 Riverside Perris-Aguanga Basin, Wolf Valley, city of Temecula, Temecula Creek, immediately north of Temecula Lane and Canterfield Drive, vicinity of Pala Community Park 323 Comment
  CHSC13600  Oenothera cespitosa subsp. marginata C. Steen 1974-4-9 29 Riverside Found ca. 50 yds. off Date Palm Drive, ca. 2 mi from junction with Hwy. 111. Comment
  UCR214560  Oenothera deltoides A. C. Sanders 2010-3-15 37412 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
  RSA25381  Oenothera deltoides subsp. deltoides C. L. Hitchcock 1940-4-4 5944 Riverside Pinto Basin. Comment
  UC68573  Oenothera deltoides subsp. deltoides H. M. Hall Apr. 1905 5756 Riverside Whitewater Colorado Desert 243 Comment
  RSA0056392  Oenothera leptocarpa James R. Shevock 1972-3-5 1420 Riverside Highway 71, near Pauba Valley. 304 Comment
  RSA53907  Oenothera primiveris subsp. bufonis D. F. Howe 1949-3-21 s.n. Riverside 3 miles west of Blythe. Comment
  UCR121191  Oligomeris linifolia D. E. Bramlet 1991-5-10 2144 Riverside Perris-Aguanga Basin region, North Domenigoni Hills, 4300-4500 ft. SE from end of Warren Rd., W side of large peak in Sec. 31, just above saddle 610 Comment
  UCR214704  Oligomeris linifolia A. C. Sanders, Richard Dwerlkotte 2010-3-22 37521 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 1.5 mi. SE of Sidewinder Well, south end of Palen Dry Lake, SW of Palen Mtns. 130 Comment
  UCR232390  Oligomeris linifolia Dave Silverman 2010-3-24 7826 Riverside Sonoran (Colorado) Desert, South Palen Lake, Chuckwalla Valley, 4.5 km southeast of Sidewinder Well, 2.3 km SW of Palen Dunes Dr., and 4.2 km north of Interstate 10 128 Comment
  RSA630247  Olneya tesota R. S. Woglum 1934-4-12 1355 Riverside Sonoran Desert: Mecca Canyon; Mecca Hills; North of Salton Sea. Comment
  CDA34502  Oncosiphon piluliferum Mike Lahti 2011-5-5 PDR# 1357877 Riverside Sun City: Alta Vista Nursery on Sherman Road, near McLaughlin Road. 0 Comment
  UCR266156  Oncosiphon piluliferum R. E. Riefner Jr. 2015-3-24 15- 97 Riverside Perris-Agunaga Basin, city of Perris, Case Road at Watson Road 450 Comment
  UCR280602  Oncosiphon piluliferum R. E. Riefner Jr. 2016-4-24 17- 199 Riverside city of Menifee, Paloma Wash, immediately north of Holland Road and west of Haun Road 445 Comment
  POM281232  Opuntia basilaris var. basilaris H. G. Rush 1951-6-3 200 Riverside 34 miles North of Blythe on hwy 95. 91 Comment
  RSA5407  Opuntia bigelovii var. bigelovii C. B. Wolf 1932-10-12 4301 Riverside Northwest end of Pinto Basin, about 4 mi east of El Dorado Queen Mine. 915 Comment
  POM12613  Opuntia chlorotica P. A. Munz 1922-5-20 5571 Riverside Pipe Creek near Kenworthy, San Jacinto Mountains. 1448 Comment
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May 28 2011
  LA204498  Opuntia engelmannii var. engelmannii F. R. Fosberg; 1932-7-12 8607 Riverside Mission Creek Comment
  POM83402  Opuntia parryi J. W. Toumey 1895-05 s.n. Riverside Banning. Comment
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Mar 21 2011
  POM284055B  Opuntia phaeacantha Lyman Benson 1955-12-6 15619 Riverside Hills 3 miles southeast of Redlands. Crystal Springs. San Bernardino foothills. 488 Comment
  SEINET3412081  Opuntia polyacantha var. erinacea Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28526 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert. 1236 Comment
  SBBG68734  Orobanche cooperi E. C. Jaeger 1926-2-1 Riverside Salt Crk Wash, near Dos Palmos Comment
  RSA0070483  Orobanche cooperi subsp. cooperi C. Leo Hitchcock 1940-4-4 5940 Riverside Pinto Basin. Comment
  UCR132658  Orobanche fasciculata L. F. LaPre 2001-5-13 s.n. Riverside San Jacinto Mtns., Bautista Canyon, section 1 1280 Comment
  UCR94614  Orobanche fasciculata G. R. Ballmer, Kay Stockwell 1995-6-25 s.n. Riverside San Jacinto Mtns, Pacific Crest Trail, near Pyramid Peak [c. 3 km (airline) SSE of Palm View Pk.--A. C. Sanders] 2134 Comment
  RSA221028  Osmorhiza brachypoda E. W. Lathrop 1966-3-30 6124 Riverside Mail Divide Truck, Trail between El Carriso and Santiago Peak, Cleveland Nat l Forest 1220 Comment
  UCR59932  Osteospermum fruticosum Ed LaRue 1989-5-8 s.n. Riverside Peninsular Range, Mockingbird Canyon area, south of Van Buren Blvd and c. 1/2 mi (airline) east of Mockingbird Canyon Road. Comment
  RSA0029414  Oxytheca perfoliata John F. Emmel 1996-4-20 1395 Riverside Joshua Tree National Park: along road near north base of Eagle Mts., ca. 1 air mi NW of Conejo Well. 976 Comment
  RSA649672  Oxytheca trilobata Rashmi Pant, Darin Banks 1996-5-1 1013 Riverside Cleveland National Forest: Along the Cutca Trail, E of the Cutca Valley, ca. 0.5 miles W of the Aguanga Trail Junction. Comment
  CDA8436  Palafoxia arida A. C. Browne 1957-4-6 Riverside 6 miles east of Indio. 0 Comment
  CHSC403  Palafoxia arida E. Thomas 1940-3-3 Riverside Salton Sea. -60 Comment
  RSA775094  Palafoxia arida Duncan S. Bell, Amber Swanson 2011-2-18 2036 Riverside Coachella Valley area; Edom Hill; along Edom Hill Road near dump; 0.6 road miles from junction of Varner Road and Edom Hill Road. 259 Comment
  JOTR38667  Palafoxia arida var. arida Hodges, Stephen R. 2017-2-1 673 Riverside Joshua Tree National Park. Eagle Mountains, South East facing sand ramps near the aqueduct road Comment
  UC1440559  Palafoxia arida var. arida T. J. Watson 1970-3-24 367 Riverside 1 1/2 mi n California State Hwy. 95 (9 mi e of Mecca) Comment
  UCR279562  Palafoxia arida var. arida A. C. Sanders, Jim Malusa 2017-3-29 43168 Riverside Sonoran (Colorado) Desert, Orocopia Mountains, Canyon Spring wash just above confluence with Salt Creek 338 Comment
  RSA801737  Panicum antidotale Anonymous 1952-9-20 s.n. Riverside San Jacinto Valley. Hemet. Comment
  SD67091  Papaver californicum E. Norland 1967-5-12 Riverside Temecula Canyon on Santa Margarita River, northwest of Rainbow. Comment
  HSC21662  Parietaria floridana C. L. Hitchcock, C. V. Muhlick 1964-3-22 23246 Riverside Side canyon near S entrance to Joshua Tree National Monument. Comment
  RSA0020380  Parietaria hespera Duncan S. Bell, Keir Morse 2013-3-30 4661 Riverside A small hidden spring in an unnamed canyon to the east of Snow Canyon, about 1.8 air miles southwest of Windy Point. 482 Comment
  UCR120970  Parkinsonia aculeata Jennie Phui 1998-6-3 300 Riverside Western Colorado Desert/San Jacinto Mtns., NW of Palm Springs, base of Mt. San Jacinto in Chino Cyn., 1.5 mi. above Hwy 111 on road to tram 520 Comment
  RSA0039600  Parkinsonia florida Deidre Conocchioli, Duncan S. Bell 2014-3-11 151 B Riverside Devil Canyon in the Santa Rosa Wilderness area. W of Coachella Valley, 3 miles S of Lake Cahuilla. 110 Comment
  UCD108140  Parkinsonia florida Lionel A. Stange 1956-3-31 s.n. Riverside 12 miles east of Mecca on State Highway 195. Comment
  UCSB2977  Parkinsonia florida Keator, Glenn 1959-05 Riverside Middle section of Painted Canyon on sandy drainage basin, 6 miles from Mecca Comment
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Mar 2 2014
  POM308539  Pectis papposa Henry J. Ramsey, Henry J. Ramsey 1939-11-28 3156 Riverside 20 miles E of Indio. Comment
  RSA0031466  Pectis papposa Kristin Forgrave, Joshua Paolini 2013-8-7 30 Riverside At Ford Dry Lake, just north of I-10. Margins of lake bed. Comment
  UCR24128  Pectis papposa John C. Roos 1965-9-5 s.n. Riverside Sonoran (Colorado) Desert, 18 mi. west of Blythe 122 Comment
  SEINET10799093  Pectis papposa var. papposa David J. Keil 1975-8-27 Keil K 10994 Riverside 8 mi. W of Desert Center along I-10. Comment
  SD244099  Pectocarya A. C. Sanders, John F. Green 2013-3-27 40685 Riverside Peninsular Range: Alberhill, dirt track NE of new section of Nichols Road, south of Lake Street (Alberhill 7.5'Q) 433 Comment
  RSA191740  Pectocarya heterocarpa R. F. Thorne 1963-3-29 32389 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
  UCR214883  Pectocarya heterocarpa A. C. Sanders 2010-3-15 37397 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
  UCR29781  Pectocarya heterocarpa George K. Helmkamp 1983-3-24 383- 12 Riverside Sonoran (Colorado) Desert, north base of the Little Chuckwalla Mountains, 1.5 miles east of Graham Pass Road 336 Comment
  UCR103253  Pectocarya linearis B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3580 .2 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  UCR152515  Pectocarya linearis A. C. Sanders 2005-4-22 29597 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR159762  Pectocarya linearis Scott D. White 1999-5-2 7291 Riverside Peninsular Ranges: Perris-Aguanga Basin region, Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., c. 1.5 - 2 mi west of I-215 freeway 442 Comment
  RSA776211  Pectocarya linearis subsp. ferocula Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 863 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 610 Comment
  SEINET7063223  Pectocarya penicillata A. G. Vestal 1963-5-19 s.n. Riverside About 0.5 mile west of Cahuilla. UTM Zone 11, 522925mE, 3711215mN. (WGS84/NAD83). 1088 Comment
  UCR201454  Pectocarya penicillata Scott D. White, Justin M. Wood 2008-6-5 12082 Riverside San Jacinto Mountains, Garner Valley, Hwy 74 at Thomas Mountain Road, southwest corner of junction 1341 Comment
  RSA336044  Pectocarya recurvata R. F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52025 Riverside Chino Canyon Comment
  SBBG81659  Pectocarya recurvata S. A. Junak 1983-3-24 1655 Riverside N side of Interstate 10, 6.9 mi W of Pinto Basin Rd 426 Comment
  SD224883  Pectocarya recurvata A. C. Sanders, L. Lubinsky, A. Knapp, P. MacKay & C. L. Sanders 1995-2-12 15919 Riverside Colorado Desert: Coachella Valley, alluvial fan below the Little San Bernadino Mtns., Fargo Canyon Rd. 1.35 mi. E of Dillon Rd. 98 Comment
  RSA741190  Pectocarya setosa Scott D. White, Justin M. Wood 2008-6-16 12131 Riverside Fobes Ranch Road N of Quinn Flat 1390 Comment
  UCR153362  Pectocarya setosa LeRoy Gross, Valerie Soza 2003-5-8 826 Riverside Peninsular Ranges; San Jacinto Mountains region, North end of Rouse Ridge; South of the San Jacinto River, north of Rouse Hill Road. 777 Comment
  RSA80839  Pedicularis semibarbata Peterson Ewan 1930-9-1 2168 Riverside Rock fissures near Summit of Mount San Jacinto 3294 Comment
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Jul 6 2010
  POM177874  Pellaea andromedifolia var. andromedifolia Marcus E. Jones 1930-3-5 26523 Riverside Glen Ivy Comment
  CAS-BOT-BC71403  Pellaea mucronata Wr. Coc?r 1917-3-23 s.n. Riverside Palm Springs Comment
  RSA747570  Pellaea mucronata Michael Honer 2003-4-16 1830 Riverside Gavilan Hills, W slope: about 1 mile N of I-15 freeway, 1 mile E of Lake St. exit. 640 Comment
  UCR261392  Pellaea mucronata Joseph Cahill 2011-1-8 111- 22 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, San Juan Loop Trail, c. 0.5 mi. from eastern trailhead off Hwy 74 590 Comment
  RSA49194  Pellaea mucronata var. mucronata P. A. Munz 1949-4-13 13048 Riverside Cottonwood Springs, west end of Eagle Mts. Colorado Desert 1143 Comment
  UC812405  Pellaea mucronata var. mucronata C. L. Hitchcock 1940-4-12 6043 Riverside 8 mi nw of Elsinore 457 Comment
  RSA792624  Pennisetum setaceum R. F. Thorne 1995-3-29 63028 Riverside White Water Canyon 600 Comment
  SEINET10822135  Pennisetum setaceum Robert F. Thorne 1995-3-29 Thorne 63028 Riverside Transverse Ranges; San Bernadino Mountains region; White Water Canyon. 600 Comment
  NY583793  Penstemon centranthifolius D. B. Dunn 1973-6-15 20770 Riverside Collected at the junction of Highway 74 and 71. A gas station on the southwest corner. Comment
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May 24 2012
  RSA489134  Penstemon centranthifolius Jack Easton 1988-5-2 s.n. Riverside Anza area. 1189 Comment
  UC218112  Penstemon centranthifolius P. A. Munz 1922-6-27 5847 Riverside Santa Rosa Santa Rosa Mts., Santa Rosa 1981 Comment
  UCR130706  Penstemon centranthifolius George K. Helmkamp, E. A. Helmkamp 1998-6-27 4070 Riverside San Jacinto Mtns., Garner Valley, along Hwy 74 at Morris Ranch Rd. 1372 Comment
  SEINET1004566  Penstemon grinnellii T. B. Salvato, John F. Green 2004-1 574 Riverside San Bernardino Mtns: head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp. 1341 Comment
  UC489220  Penstemon grinnellii C. V. Meyer 1938-7-31 607 Riverside Tahquitz Peak San Jacinto Mts., Tahquitz Peak 2682 Comment
  UCR275310  Penstemon heterophyllus var. australis J. Dansie 2016-5-25 36 Riverside San Bernardino Mtns., Cherry Valley, off Edgar Canyon Road 1215 Comment
  JEPS13632  Penstemon labrosus Peter Kamb 1948-7-11 1193 Riverside Hall Canyon San Jacinto Mts., Hall Canyon 1645 Comment
  RSA102220  Penstemon labrosus Mary F. Spencer 1921-7-4 279 Riverside Idyllwild. Comment
  RSA2593  Penstemon spectabilis J. T. Howell 1928-7-9 1061 Riverside Temescal Canyon, 6 miles south of Glen Ivy 335 Comment
  UCR3236  Penstemon spectabilis Chuck Elliott 1964-5-5 s.n. Riverside 1 mi past end of Canyon Crest Rd. west in Riverside 305 Comment
  NY661162  Penstemon spectabilis var. spectabilis G. T. Hastings 1941-4-26 s.n. Riverside Near Sage-south of Hemet 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
  UC54992  Penstemon spectabilis var. spectabilis H. M. Hall June, 1901 2069 Riverside vicinity Chalk Hill (Southern California); San Jacinto Mountains, vicinity of Chalk Hill 1402 Comment
  CAS-BOT-BC330348  Pentachaeta aurea H. M. Hall 1901-6-1 2057 Riverside San Jacinto Mountains, vicinity of Chalk Hill 1524 Comment
  UCR137604  Pentachaeta aurea 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
  UCR91889  Pentagramma triangularis subsp. maxonii A. C. Sanders, G. K. Helmkamp, L. Lubinsky, C. L. Sanders 1995-1-29 15902 Riverside San Jacinto Mtns/Colorado Desert, Chino Canyon near Palm Springs, 1.8 mi above Palm Canyon Rd (Hwy111) on the rd to the tram station, vicinity of the upper end of the flood control dike 428 Comment
  POM13282  Perideridia parishii subsp. latifolia P. A. Munz 1922-9-15 6367 Riverside Taqhuitz Valley, San Jacinto Mountains. 2195 Comment
  SFV17214  Peritoma arborea J. W. Dole 1980-11-1 s. n. Riverside Snow Creek road, 1 mile from junction of Highway 111 and Interstate Highway 10. 360 Comment
  JOTR36474  Perityle emoryi La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3442 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; at top of large cobbley wash, near Russi Rocks guzzler (Stop 4) 538 Comment
  RSA25474  Perityle emoryi C. L. Hitchcock 1940-3-31 5893 Riverside Between Cottonwood Spring and Pinto Basin. Comment
  RSA471860  Perityle emoryi E. Crow 1929-2-24 183 Riverside Mesa above Andreas Canyon, Colorado Desert. Comment
  UC485143  Perityle emoryi F. M. Reed 1917-5-19 3854 Riverside Colorado Desert , Palm Canyon Comment
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Aug 14 2010
  CAS-BOT-BC419048  Persicaria lapathifolia A. J. Mc. 1892-6-8 s.n. Riverside Near Elsinore Comment
  CLARK-A1045-877  Petalonyx linearis George K. Helmkamp 1977-3-20 Riverside Deep Canyon UCR Boyd Deep Canyon Reserve; sandy bottom of dry wash; ; ; Palm Desert 15'Q 304 Comment
  POM48456  Petalonyx linearis P. A. Munz, D. D. Keck 1925-3-7 9353 Riverside Painted Canyon, Mecca. Comment
  UCD117309  Petalonyx thurberi F. R. Lawson 1929-12-12 11- 8 Riverside Mecca. Comment
  UCR274214  Petalonyx thurberi Duncan S. Bell, Evan Meyer 2014-10-29 7688 Riverside Santa Rosa Mountains, Agua Alta Canyon, to the north of Martinez Canyon, c. 6 air miles southeast of the summit of Martinez Mountain 394 Comment
  SBBG69399  Petalonyx thurberi subsp. thurberi R. Hoffmann 1928-10-21 Riverside below Fig Tree John's [Figtree John Spring] -60 Comment
  CDA8465  Peucephyllum schottii A. C. Browne 1953-4-23 Riverside Indian Fish Traps, 12 miles south of Indio. 0 Comment
  POM15178  Peucephyllum schottii Mary F. Spencer 1922-3-27 1927 Riverside Canyon prope [near] Mecca 49 Comment
  POM46832  Peucephyllum schottii Mary F. Spencer 1920-3-23 1454 Riverside Palm Springs. 122 Comment
  SBBG8665  Peucephyllum schottii K. K. Muller 1952-4-5 559 Riverside ca. 2 mi N of Dos Palmas on rd from Hot Mineral to Mecca-Blythe Hwy Comment
  SEINET2054224 Image available Peucephyllum schottii A. C. Sanders, L. Lubinsky, A. Knapp, P. MacKay & C. L. Sanders 1995-2-12 15923 Riverside Colorado Desert, Coachella valley, outh of Fargo Canyon, Little San Bernardono Mtns., 1.2 mi abgove junction with Aqueduct Road. 365 Comment
  SFV6298  Peucephyllum schottii T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 52 Riverside Little San Bernardino Mountains Little San Bernardino Mountains. Berdoo Canyon. Sandy wash. Comment
  UCR60772  Peucephyllum schottii Steve Boyd, O. Mistretta 1986-3-13 1479 Riverside Sonoran (Colorado) Desert, West side Palen Mtns: NE of Desert center; first large canyon at NW tip of western segment of range Comment
  UCR18183  Phacelia affinis A. C. Sanders 1978-4-30 00386 Riverside Peninsular Range; Santa Rosa Mtns, Cactus Spring Trail, first large wash east of Horse Thief Creek, probably very near Cactus Spring 1311 Comment
  RSA342253  Phacelia ambigua Robert F. Thorne 1963-3-29 32368 Riverside 5 miles E of Mecca, Mecca Hills. 152 Comment
  RSA525296  Phacelia ambigua Walter Wisura 1991-4-28 4487 Riverside Frontage Road off I10 near pump station in Pinkham Wash area. Comment
  RSA526134  Phacelia brachyloba Steve Boyd, T. S. Ross 1990-5-11 4647 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  RSA559354  Phacelia brachyloba Steve Boyd, Tim Ross 1992-5-15 7388 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 671 Comment
  RSA0055045  Phacelia campanularia James R. Shevock 1971-5-8 1032 Riverside Joshua Tree Nat'l. Mon., So. entrance, Cottonwood Cyn. 457 Comment
  JOTR35288  Phacelia campanularia subsp. vasiformis Andre, Jim 2012-4-11 20781 Riverside Joshua Tree National Park. NW Eagle Mountains, along dirt road to Black Eagle Mine, 0.7mi east of road to Cottonwood Spring, 34mi south of Hwy 62 at Twentynine Palms. 729 Comment
  RSA0123291  Phacelia campanularia subsp. vasiformis Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 9005 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  UC131726  Phacelia campanularia subsp. vasiformis S. B. and W. F. Parish 1882-4-1 Riverside Morongo Comment
  UC881002  Phacelia campanularia subsp. vasiformis C. L. Hitchcock 1940-3-29 5862 Riverside ca 100 yds e Spring; Cottonwood Canyon Comment
  RSA0110953  Phacelia campanularia subsp. vasiformis Rofena Lewis, F. Brubaker 1926-2-22 6500 Riverside Along Boulevard below Whitewater Bridge, head of Coachella Valley. Comment
  UC672399  Phacelia cicutaria var. hispida Herbert L. Mason 1926-4-30 3136 Riverside 2 mi s Temecula Comment
  JOTR35303  Phacelia crenulata var. ambigua Andre, Jim 2012-4-11 20802 Riverside Joshua Tree National Park. western margin of Eagle Mountains, along road to Cottonwood Spring (Utah Trail), 0.7mi N of Cottonwood Visitor Center 956 Comment
  RSA0049852  Phacelia crenulata var. ambigua Jim Andre 2014-1-27 26671 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  UC68752  Phacelia crenulata var. ambigua H. M. Hall May 1905 5897 Riverside Chuckawalla Springs Colorado Desert Comment
  UCR166155  Phacelia curvipes T. B. Salvato, John F. Green 2004-5-27 565 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1402 Comment
  CSUSB135  Phacelia distans K. S. Gill 1965-3-28 Riverside 0.5 mile north of corner of Wood & Roberts Roads in Woodcrest. 548 Comment
  JOTR36004  Phacelia distans Andre, Jim 2012-4-16 20883 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  RSA33875  Phacelia distans N. C. Cooper 1944-4-23 1145 Riverside Banning. 701 Comment
  RSA550347  Phacelia distans Walter Wisura, John Dolan, M. Wall 1992-3-24 4641 Riverside Lowdesert: 5.6 mi. S of I-10 on rd to Corn Spring. Comment
  SBBG101782  Phacelia distans S. Boyd with T. Ross, M. Hammitt 1991-5-2 6067 Riverside SW and W flanks of Billy Goat Mtn, 3 mi N of Hwy 79, 1 mi W of Hwy 371, N of Aguanga 600 Comment
  SDSU6604  Phacelia distans Marjorie Collier 1951-3-25 Riverside 5 miles northeast of Palm Springs on dry brushy hillside, roadside. Comment
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Jan 30 2013
  SEINET3091700 Image available Phacelia distans B. Pitzer 1998-1-24 3382 Riverside N foot of Chuckwalla Mts, Eagle Mt Rd, S side of Hwy I-10, 0.8 mi S of Hwy at powerline rd & wash directly S of rd. 500 Comment
  UCR133396  Phacelia distans Tracy Tennant, T. B. Salvato 1998-6-23 468 Riverside San Bernardino Mtns., Morongo Indian Reservation, N end of Hathaway Cyn., c. 0.4 miles east of pk 4265 (polygon 13) 1341 Comment
  JEPS21174  Phacelia fremontii H. S. Yates 1937-3-24 6474 Riverside near mouth of Deep Canyon; Thermal Quadrangle 304 Comment
  RSA777159  Phacelia minor Steve Boyd, S. G. Jett 2008-3-20 11826 Riverside Along Main Divide Truck Trail, south of junction with Wildomar Truck Trail and north of Wildomar Off-Hiway Vehicle Area. Comment
  SD143841  Phacelia minor A. C. Sanders, P. MacKay, T. Thomas & O. Clarke 1997-5-4 20655 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
  SEINET7096699  Phacelia minor A. G. Vestal 1962-4-8 s.n. Riverside In bushes ca. 3.5 miles northeast of Lake Elsinore. NAD27, 33? deg. 42' 56ao, -117?_ 18' 09ao (converted to WGS84 decimal degrees) UTM Zone 11 471978mE, 3730462mN. Comment
  UCR261177  Phacelia minor A. C. Sanders, Katie Young, John Hale 2015-4-22 41603 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 2 km south of I-10, 1 km NW (303 deg. ) of One Horse Spring 459 Comment
  SEINET3004982  Phacelia neglecta G. Rink, M. Baker 2011-4-1 10409 Riverside Northwest of Blythe, east of the McCoy Mtns, vegetated pockets in desert pavement 170 Comment
  UCR75097  Phacelia neglecta A. C. Sanders, E. J. Lawlor 1992-4-4 12090 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  JOTR31859  Phacelia pedicellata La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2116 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  UC56712  Phacelia ramosissima var. ramosissima Geo. F. Reinhardt June, 1897 Riverside San Jacinto Valley Comment
  RSA356758  Phalaris caroliniana R. F. Thorne 1973-5-23 45535 Riverside Santa Rosa Plateau-Mesa De Colorado 609 Comment
  POM145512  Phalaris lemmonii J. B. Feudge 1927-4-12 1898 Riverside Temescal Canyon 351 Comment
  RSA717648  Phalaris paradoxa Scott D. White, Pam DeVries 2006-3-14 11246 Riverside North of the I-10 Freeway a few mi east of Indio, at proposed I-10 / McNaughton Parkway interchange. 91 Comment
  POM243711  Pholisma arenarium E. C. Jaeger 1938-5-15 s.n. Riverside Barkers Reservoir, Joshua Tree National Monument. 1280 Comment
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Nov 13 2016
  UCR17965  Pholistoma membranaceum A. C. Sanders 1976-4-20 00980 Riverside San Jacinto/Santa Rosa Mtns., 9.5 mi. SE of Anza in White Wash, a tributary of Coyote Canyon 976 Comment
  CDA22364  Phoradendron californicum T. C. Fuller 1961-1-1 5493 Riverside West of Highway 99, 1.5 miles south of Oasis. 0 Comment
  RSA0015683  Phoradendron californicum Duncan S. Bell, John Anderson, Kim Clark, Ed Howland 2013-9-29 6041 Riverside Chuckwalla Mountains; on the south side of Corn Springs Wash, approximately 3 air miles west of Corn Springs, and about 0.5 air miles south of Aztec Well. 659 Comment
  UCR17964  Phoradendron californicum A. C. Sanders 1976-4-20 882 Riverside San Jacinto/Santa Rosa Mtns., 9.5 mi. SE of Anza in White Wash, a tributary of Coyote Canyon 976 Comment
  UCR231760  Phoradendron densum John F. Green 2008-4-23 09- 07 Riverside Peninsular Range; SE Gavilan Hills, powerline route in hills SE of Perris, east of Hwy 74 and north and NE of Eugene St., both sides of Theda St. 503 Comment
  SD155415  Phoradendron pauciflorum Craig Reiser 2002-5-27 Riverside Santa Rosa Peak, north of east-west fire road, below peak. Comment
  CAS-BOT-BC171154  Phoradendron serotinum subsp. tomentosum P. A. Munz; E. K. Balls 1952-8-21 17969 Riverside Hamilton Canyon, SE end of San Jacinto Mountains 1432 Comment
  CAS-BOT-BC260908  Phragmites australis S. B. Parish 1912-7-3 8069 Riverside Salton Bridge near Durmid Comment
  RSA468063  Phragmites australis George R. Johnstone 1930-4-13 s.n. Riverside 1000 Palms Comment
  RSA423818  Physalis crassifolia N. C. Cooper 1949-4-8 3307 Riverside Desert Center. 610 Comment
  RSA515207  Physalis crassifolia Steve D. Boyd 1986-3-13 1483 Riverside West Side Palen Mountains: NE of Desert Center; First large canyon at NW tip of western segment of range. Comment
  RSA676146  Physalis crassifolia Scott D. White 2001-4-12 8308 Riverside Shaver's Valley. South of the I-10 Freeway, ca. 15 miles east of Indio jtn. I-10 / SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. 320 Comment
  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
  HSC6807  Physaria tenella C. L. Hitchcock 1966-3-20 24309 Riverside 30 mi. N of Ogilby, along road to Blythe Comment
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Mar 2 2013
  UCR279593  Physaria tenella A. C. Sanders, Jim Malusa 2017-3-28 43160 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  HSC86142  Pinus coulteri B. Freeman 1969-3-24 690324 Riverside James Reserve, ca. 20 m W of Indian Creek. 1646 Comment
  UC64555  Pinus lambertiana H. M. Hall 1902-4-16 2880 Riverside w side Tahquitz Pk.; San Jacinto Mountains 2560 Comment
  UCSB95  Pinus monophylla Philbrick, Ralph 1953-6-10 Riverside Joshua Tree National Monument Comment
  UCSB99  Pinus monophylla Cline, C. 1960-5-15 Riverside Edge of Pinon Flats Camp; 15.5 miles SW of Palm Desert; San Bernardino National Forest 1219 Comment
  MACF019830  Pinus quadrifolia B. Thomas 1967-10-1 52 - Riverside Hwy. 74 coming up from Palm Desert in the San Jacinto Mountain Range 1371 Comment
  RSA30442  Pinus quadrifolia Ellsworth Bethel 1918-5-21 s.n. Riverside Nigger Jim Hill, 35 mi. e. of San Jacinto, California. Comment
  UC1931138  Pinus quadrifolia Scott D. White, Justin Wood 2008-6-17 12190 Riverside San Jacinto Mountains: Morris Ranch Road - open area west of Goff Flat. (Palm View Peak) Comment
  CAS-BOT-BC136556  Piperia cooperi W. I. Lester 1895-1-1 s.n. Riverside Field redacted by CAS, contact the data manager for more information Comment
  UCR240649  Pityrogramma triangularis Tracy Tennant, Mitch Provance 1998-6-16 MOR- 419 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  UC64417  Plagiobothrys canescens H. M. Hall 1897-3-23 397 Riverside Winchester, Southern California Winchester Comment
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Mar 20 2011
  UCR116792  Plagiobothrys canescens A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24154 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
  UCR180349  Plagiobothrys canescens Scott D. White, Angelia Carey 2004-4-5 10001 A Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UCR228935  Plagiobothrys canescens A. C. Sanders 2011-4-6 39005 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
  RSA667132  Plagiobothrys collinus var. californicus A. C. Sanders, Carolyn Washburn 2001-5-10 24232 Riverside 1 mi. S. of Winchester on the east side of Hwy 79 (Winchester Rd.) just S of Patton Ave. 488 Comment
  RSA715307  Plagiobothrys collinus var. californicus John Green 2006-5-10 s.n. Riverside Peninsular Ranges: City of Murrieta; S of the Hogbacks. N of Hunter Road to Ramage Lane, between Calle de Amor on the E and Springview/Kiwebre Road on the W. 366 Comment
  UCR20645  Plagiobothrys collinus var. californicus O. F. Clarke 1980-4-26 s.n. Riverside Menifee Valley Area, south of Sun City a few miles. 1.5 miles west from the intersection of Holland and Haun Roads, 2 miles SW of the intersection of Newport Rd and Hwy 395 473 Comment
  UCR250567  Plagiobothrys collinus var. californicus A. C. Sanders 2014-4-25 41068 Riverside Peninsular Range, Temescal Canyon, Richland property between Horsethief Canyon Rd and Hostettler Rd., SW of I-15 392 Comment
  RSA776143  Plagiobothrys jonesii Duncan S. Bell, Amanda Turek 2010-4-10 840 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
  VVC2448  Plagiobothrys jonesii Tim Thomas 2013-3-18 5940 Riverside Sonoran Desert, 10 miles WSW of Blythe NE of Mule Mtns. 116 Comment
  POM146287  Plagiobothrys leptocladus J. B. Feudge 1927-5-19 1751 Riverside Perris 396 Comment
  UCR162820  Plagiobothrys nothofulvus Jeri Hirshberg 1989-3-20 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, c. 0.5 mile (air) south of Mesa de Burro, just north of Mesa de la Punta 610 Comment
  SD140035  Plantago elongata 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., 3/4 mi. NE of the intersection of Florida Ave. (Hwy 74) and Warren Rd., just S of Tres Cerritos. 459 Comment
  CAS-BOT-BC174041  Plantago erecta A. C. Sanders 1997-3-12 19846 Riverside Lake Skinner area: lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  RSA612709  Plantago erecta D. L. Banks 1997-3-29 1589 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
  SDSU13316  Plantago erecta Shawn Johnston, Calif. Taxonomy Class spring 2000 2000-4-1 9 Riverside Santa Margarita Ecological Reserve North end. Comment
  UCR172285  Plantago erecta John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley: Leon Road (San Diego Aqueduct right of way) from Borel Road/Tucalota Creek S for c. 0.25 mi 427 Comment
  SEINET8369613  Plantago ovata K. L. Chambers 1973-3-19 3635 Riverside Hwy. 195, east of Box Canyon and 3.0 miles s.w. of junction with Hwy. 60; from Orocopia Mtns. Comment
  RSA659485  Plantago ovata var. fastigiata J. C. Roos 1966-3-20 s.n. Riverside 2 miles SE of Desert Center. Comment
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Dec 17 2011
  UCSB7471  Plantago ovata var. fastigiata Atsatt, Pete 1958-3-22 Riverside 8 miles east of Desert Center on highway 60 & 70; N. side of road Comment
  CHSC108890  Plantago patagonica Orlando Mistretta; D Bell, J England, J Hall, C McDonald, L Reccia 2010-4-13 4987 Riverside Transverse Ranges; San Bernardino Mountains region: 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
  POM250486  Platanthera leucostachys I. W. Clokey, E. G. Anderson 1935-8-21 6561 Riverside Fuller's Creek, San Jacinto Mountains 1500 Comment
  CAS-BOT-BC91877  Platystemon californicus Munz; Harwood 1920-3-20 3395 Riverside 5 miles south of Carona. 304 Comment
  SEINET13710927  Platystemon californicus S. W. Austin, S. W. Austin 1969-1 23 Riverside W Slope of Mts, E of Railroad Tracks & N of RaviNE N of Big Springs Rd 1500 Ft 457 Comment
  UCR102894  Platystemon californicus var. californicus A. C. Sanders 1997-3-26 20102 Riverside Lake Skinner area, along foot trail at west base of Tucalota Hills 518 Comment
  UC1608230  Plectritis ciliosa subsp. insignis Steve Boyd, Tim Ross, Orlando Mistretta 1992-3-31 6761 Riverside Tenaja Trail from junction w Morgan Trail south to Pigeon Spring area, San Mateo Canyon Wilderness Area Pigeon Spring; Santa Ana Mountains, San Mateo Canyon Wilderness Area 670 Comment
  RSA670356  Pleuraphis rigida Bonnie C. Templeton 1930-4-9 1009 Riverside North of Palm Springs. Colorado Desert. 305 Comment
  RSA775120  Pleuraphis rigida Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5026 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 W116.66015 750 Comment
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May 22 2012
  SBBG29418  Pleuraphis rigida D. Myrick 1968-3-4 1807 Riverside Palms to Pines Hwy out of Palm Desert Comment
  SDSU406  Pleurocoronis pluriseta D. F. Howe 1952-4-28 2196 Riverside Chuckawalla Mts. Comment
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Jan 24 2013
  SEINET4142821 Image available Pleurocoronis pluriseta Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4607 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains 402 Comment
  UC1547013  Pleurocoronis pluriseta Leila M. Shultz and John S. Shultz 1985-4-18 8351 Riverside se benches Chuckawalla Mountains (Alligator Rock) 341 Comment
  UCR196892  Pleurocoronis pluriseta R. F. Thorne 1966-10-15 41784 Riverside Colorado Desert: Western Colorado Desert region/San Jacinto Mountains, Dead Indian Canyon, near Palm Desert at foot of Palms to Pines Hwy 366 Comment
  CLARK-A1528-5377  Pluchea sericea John C. Roos, Lucille Roos 1951-10-24 5340 Riverside Pedley 228 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
  UC485232  Pluchea sericea unknown May 1 1906-May 10 1906 1010 -6754 Riverside Palm Springs Colorado Desert Comment
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Apr 17 2011
  RSA526166  Poa annua Steve Boyd, Timothy S. Ross 1990-5-11 4669 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  CAS-BOT-BC255667  Poa bigelovii F. W. Peirson 1921-3-22 2392 Riverside Murray Canyon, Palm Springs Region, Colorado Desert 457 Comment
  RSA484228A  Poa bigelovii Anstruther Davidson 1893-04 s.n. Riverside Palm Springs. Comment
  UCR17528  Poa fendleriana Frank C. Vasek 1979-7-26 790726- 02 C Riverside Santa Rosa Mtns, Vicinity of Virgin Spring and Stump Spring 2348 Comment
  UCR182098  Poa infirma Tom Chester 2005-4-26 595 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau Ecological Reserve: Jct. Torino and Tovashal Trails, ~0.2 miles (0.3 km) west of Clinton Keith Road near Visitor Center 548.2 Comment
  CAS-BOT-BC237694  Poa secunda Elizabeth A. Kellogg; Elizabeth L. Taylor 1980-5-21 311 Riverside N facing cutbanks about 0.5 mile downhill from Observation Point on Highway 74 Comment
  CAS-BOT-BC237697  Poa secunda Elizabeth A. Kellogg; Elizabeth L. Taylor 1980-5-20 307 -1 Riverside Next to Highway 79 E of Rancho California (Temecula) on banks of river Comment
  RSA525256  Poa secunda Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4568 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 548 Comment
  UCR2687  Poa secunda F. M. Reed 1905-2-26 671 Riverside Riverside, Arroyo Tequesquite, 1/8 mile east of the Victoria Clubhouse, bank of Arroyo Tequesquite 274 Comment
  RSA614165  Poa secunda subsp. secunda D. L. Banks 1997-2-23 1312 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
  UC39551  Poa secunda subsp. secunda H. M. Hall June, 1901 2064 Riverside San Jacinto Mts 1615 Comment
  UCR2698  Poa secunda subsp. secunda F. M. Reed 1908-7-10 2554 Riverside San Jacinto Mtns, big meadow in Round Valley 2744 Comment
  UCR62864  Polygala cornuta var. fishiae Scott D. White 1990-6-16 s.n. Riverside Santa Ana Mtns, Cleveland National Forest, private land just inside the Forest boundary; E wall of Hagador Canyon, near the mouth of the canyon 400 Comment
  UCR85588  Polygonum argyrocoleon Julie A. Greene, Steve Boyd, D. E. Bramlet, Hilda Flores, H. Ochoterana 1993-7-9 1425 Riverside San Jacinto Valley, San Jacinto Wildlife Area. south of Visitor center, by waterfowl kiosk, east of Davis Road. 433 Comment
  UCR35080  Polygonum aviculare L. B. Ziegler 1967-8-29 210 Riverside San Jacinto Mtns., Pine Meadow area 1418 Comment
  JOTR32468  Polygonum aviculare subsp. depressum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2613 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  CAS-BOT-BC414404  Polygonum douglasii H. M. Hall 1901-7-1 2446 Riverside San Jacinto Mountains 2438 Comment
  RSA689922  Polypodium californicum Gale Sphon 1959-5-2 321 Riverside Horsetheif Canyon, Elsinore Mountains. Comment
  UCR239207  Polypogon australis Steven R. Hill 2001-4-29 33527 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
  SEINET4058579  Polypogon monspeliensis O. M. Clark 1936-1 7577 Riverside San Jacinto Creek, San Jacinto Mountains. Comment
  POM182203  Populus X parryi Philip A. Munz 1932-4-24 12388 Riverside San Jacinto Mountains: Snow Creek Canyon 457 Comment
  CAS-BOT-BC102604  Populus fremontii Marian L. Campbell 1921-3-19 34 Riverside Banning Comment
  CAS-BOT-BC102607  Populus fremontii D. A. Johansen; J. A. Ewan 1932-4-10 7051 Riverside Warners Ranch at Whitewater, Western Colorado Desert Comment
  RSA33661  Populus fremontii N. C. Cooper 1943-10-9 962 Riverside Hemet. 305 Comment
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Apr 29 2011
  UCR116583  Populus fremontii A. C. Sanders, T. B. Salvato 2001-5-24 24372 Riverside Perris-Aguanga Basin, Temecula, Long Canyon area west of Del Rey Rd. along Avenida Buena Suerte 381 Comment
  UCR270196  Populus nigra A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-3 42417 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, c. 0.3 km NW (161 deg. ) of water tank 473 Comment
  POM121859  Porophyllum gracile Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring, Colorado Desert. Comment
  RSA717463  Porophyllum gracile Scott D. White 2006-4-28 11320 Riverside Elsinore Basin: Wildomar., east of the I-15 Freeway and north of Baxter Rd. South- and west-facing hillsides, minor ephemeral wash, and upper bajadas at bases of hills. 427 Comment
  UCR20507  Potamogeton diversifolius F. M. Reed 1908-7-12 2515 Riverside San Jacinto Mtns., Margin of Lake Surprise [=Hidden Lake] 2744 Comment
  UCR225162  Potamogeton diversifolius Steve Boyd, Gary Wallace 2005-7-30 11642 Riverside Peninsular Ranges; San Jacinto Mountains region, San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2683 Comment
  POM348752  Prosopis glandulosa var. torreyana Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  UCR82245  Prosopis glandulosa var. torreyana J. M. Stewart 1994-5-2 858 Riverside Western Colorado Desert, Coachella Valley, Thermal, Filmore Street & Avenue 66 Comment
  RSA698010  Prosopis juliflora W. Marquart 1938-3-12 s.n. Riverside Mule Mts. S. of Chuckawalla Range. Comment
  UC63796  Prunella vulgaris var. lanceolata H. M. Hall 1897-6-17 652 Riverside vicinity Strawberry Valley (San Jacinto Mountains); , vicinity of Strawberry Valley 1615 Comment
  RSA78209  Prunus fremontii J. C. Roos, L. Roos 1953-3-21 5908 Riverside Mouth of Andreas Canyon, south of Palm Springs. 274 Comment
  RSA0021857  Prunus fremontii H. de Forest 1924-4-13 s.n. Riverside Mojave Desert, Tahquitz Canyon. Comment
  HSC85250  Prunus ilicifolia Steve Boyd 1986-4-22 1729 Riverside Temescal Canyon: Walker Canyon area, where Alberhill Creek (=Temescal Creek) flows between Alberhill Mtn. and Gavilan Hills. Comment
  UC1128421  Prunus ilicifolia R. St. John 1931-4-17 207 Riverside sw of Mockingbird Canyon 304 Comment
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Apr 2 2011
  CAS-BOT-BC293743  Psathyrotes ramosissima Mona Bourell 1987-4-14 3273 Riverside BLM California Conservation Area, Hwy 195. Spur off of Box Canyon, near Mecca 150 Comment
  UC724348  Psathyrotes ramosissima Aven Nelson, Ruth A. Nelson 1939-3-29 3312 Riverside from Mecca to Hidden Springs Comment
  RSA648064  Pseudognaphalium biolettii Bruce Albert 1982-4-17 68 Riverside Hillside west of Lake Mathews Road, 2 miles south of Cajalco Road. Comment
  RSA736853  Pseudognaphalium leucocephalum Scott D. White, Angelia Carey 2004-7-2 10594 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UCR281889  Pseudognaphalium leucocephalum R. E. Riefner Jr. 2017-9-4 17- 451 Riverside Perris-Aguanga Basin, Wolf Valley, city of Temecula, Temecula Creek, immediately north of Temecula Lane and Canterfield Drive, vicinity of Pala Community Park 323 Comment
  RSA0125103  Pseudognaphalium microcephalum Duncan S. Bell 2016-10-27 10212 Riverside Whitewater Canyon area; collecting in Rainbow Canyon, 2.75 air miles northwest of the Whitewater Ranger Station (trout ponds). 1024 Comment
  RSA58830  Pseudotsuga macrocarpa R. Weatherby 1950-2-2 s.n. Riverside Canyon, southeast of Sierra Peak, Santa Ana Mts. Comment
  UCR280721  Psilocarphus brevissimus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-10 417- 22 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
  RSA760353  Psilocarphus brevissimus var. brevissimus R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55213 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road 730 Comment
  UC1523586  Psilocarphus brevissimus var. brevissimus Robert F. Thorne, M. Z. Thorne, and W. Wisura 1978-5-21 51970 Riverside Mesa de Colorado Santa Rosa Plateau 609 Comment
  UCR20794  Psilocarphus brevissimus var. brevissimus A. C. Sanders 1980-5-17 1469 Riverside Santa Rosa Plateau, Santa Ana Mtns., 2.5 miles SW of Murrieta, Mesa De Burro 620 Comment
  UCR110912  Psilotum nudum A. C. Sanders 1999-1-9 22375 Riverside Peninsular Range, Riverside, E side of town at foot of Box Springs Mtns., old Al Boyce residence at 266 Frost Ct. 396 Comment
  CLARK-A1528-5673  Psoralea physodes John C. Roos 1960-5-30 Riverside Santa Ana Mountains 1219 Comment
  UC68518  Psorothamnus arborescens var. simplicifolius H. M. Hall May, 1905 6024 Riverside Cottonwood Mts. , Cottonwood Mts. (Colorado Desert) 609 Comment
  UCR251349  Psorothamnus arborescens var. simplicifolius S. J. Myers 2014-5-21 1065 Riverside Western Edge Sonoran (Colorado) Desert, Whitewater, along Whitewater River at I-10 407 Comment
  UCR269106  Psorothamnus arborescens var. simplicifolius Orlando Mistretta, Duncan S. Bell, et al. 2010-4-12 4761 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 600 Comment
  JEPS41733  Psorothamnus emoryi W. L. Jepson 1914-5-24 6060 Riverside Colorado Desert, Palm Springs of Mt. San Jacinto Mt. San Jacinto; Colorado Desert, Palm Springs of Mt. San Jacinto 121 Comment
  SD224973  Psorothamnus emoryi G. K. Helmkamp 1998-4-4 3138 Riverside Southern Mojave Desert: junction of CA hwy 62 (Twentynine Palms hwy) & CA hwy 177 (Desert Center-Rice Rd). 456 Comment
  CAS-BOT-BC340922  Psorothamnus schottii Ira L. Wiggins 1938-3-25 8929 Riverside Mouth of Eagle Canyon, few miles south of Palm Springs Comment
  RSA0042113  Psorothamnus schottii Duncan S. Bell, LeRoy Gross 2014-3-6 6190 Riverside Santa Rosa Mountains; Toro Canyon on the east side of Martinez Mountain. 259 Comment
  RSA404269  Psorothamnus spinosus Christina Clark 1929-3-17 1957 Riverside Palm Canyon Comment
  UC403403  Psorothamnus spinosus H. E. and S. T. Parks Feb. 1929 394 Riverside below Palm Springs (along the desert edges); below Palm Springs Comment
  CAS-BOT-BC72526  Pteridium aquilinum Grant 1901-7-1 4849 Riverside Strawberry Valley, SB Mts. Comment
  JOTR31854  Pterostegia drymarioides La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2112 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  POM10466  Pterostegia drymarioides E. A. Zumbro 1901-04 346 Riverside Tequesquite Arroyo Comment
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Sep 17 2011
  UCR205276  Pterostegia drymarioides Steve Boyd, Amber Maurice, Pesach Lubinsky, L. Lubinsky 2003-4-17 19456 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert, East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station 366 Comment
  CDA7612  Pulicaria paludosa A. C. Sanders, Chet McGaugh 2001-7-26 24472 Riverside Perris-Aguanga Basin region; Mockingbird Creek, beside Harley John Rd. just above Mockingbird Canyon Rd., Woodcrest area, Riverside Comment
  UC217995  Purshia tridentata var. glandulosa P. A. Munz and I. M. Johnston 1922-5-20 5494 Riverside Kenworthy; San Jacinto Mts. 1432 Comment
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Mar 25 2011
  UCR193490  Quercus X morehus A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35609 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mile SW of Fleming Ranch, along dirt track 1555 Comment
  CAS-BOT-BC62822  Quercus berberidifolia A. C. Sanders 1995-11-26 17911 Riverside Tule Creek Valley, NE of Tule Pk, between Aguanga & Anza, S of Hwy 371. Small Cyn crossing Spanish Spur Trail 1188 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
  JOTR00985  Quercus cornelius-mulleri Cole, James E. 1941-5-17 728 Riverside Joshua Tree National Park. COVINGTON FLAT CANYON 1402 Comment
  RSA768123  Quercus dumosa E. W. Lathrop 1969-6-5 7093 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  UCD47106  Quercus palmeri Rudolph Fischer 1965-10-8 4 Riverside East foothills of Thomas Mountain, Santa Rosa range, State Highway 74, ca. 10 miles south of Keen Camp, Riverside County, California. 1341 Comment
  UCD63203  Quercus palmeri A. C. Sanders; S. D. Boyd, Mitch Provance, and J. Ross 1998-10-25 22286 Riverside San Jacinto Mtns.: Santa Rosa Indian Reservation along Hwy. 74, 2.1 mi. E of Hwy. 371 junction to Anza, just W of Vandeventer Flat. 1463 Comment
  RSA33879  Quercus turbinella N. C. Cooper 1944-5-20 1307 Riverside Palms to Pines Hwy., San Jacinto Mtns. 1220 Comment
  SEINET3382770  Quercus turbinella Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17496 Riverside 300m south of Desert Queen Mine (McHaney;s Mine), 12.5km SSW of Twenty Nine Palms, 1.5km ESE of Negro Hill, Canyon of granite outcroppings and boulders. 1360 Comment
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Aug 24 2013
  UC565506  Rafinesquia neomexicana H. L. Mason 1928-3-10 4178 Riverside Whitewater River Comment
  UCR267888  Rafinesquia neomexicana Jim Andre 2013-3-4 23865 Riverside Sonoran (Colorado) Desert, 0.2 miles east of Hwy 95, just south of Riverside Mountains, just north of Queen Sable Point 96 Comment
  UCR202030  Raphanus sativus Denise Woodard, G. Nuhn 1995-8-21 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, 300 acre parcel at west end of Domenigoni Valley, c. 3 miles south of Winchester on the west side of Winchester Rd. 470 Comment
  RSA544285  Raphanus sativus Steve Boyd 1991-6-14 6362 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Spings. Comment
  JEPS42006  Rhamnus crocea W. L. Jepson 1901-5-27 1481 Riverside between Cahuilla Valley and Aguanga Comment
  POM202256  Rhamnus crocea Marcus E. Jones 1933-4-5 s.n. Riverside Hemet. Comment
  UC1929602  Rhamnus crocea Scott D. White 2001-3-27 8169 Riverside BADLANDS: Moreno Valley area. About 1 air mile East-Northeast of the jtn State Rt. 60 w/ Theodore St. Adjacent to County Landfill. Comment
  UCR114807  Rhamnus crocea Mitch Provance 1998-2-17 53 Riverside Jurupa Mountains, Pyrite Canyon, 'Central Pyrite Dune', c. .3 km south of the end of Savonia Dr. in Southridge, Fontana. Actual location of the collection just on the Riverside Co. side of the Riv. / S.B. county line. 320 Comment
  RSA597058  Rhamnus ilicifolia D. L. Banks, Lauren Raz 1996-11-5 1159 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
  UCSB18296  Rhamnus ilicifolia Matchett, Will 1964-5-16 Riverside 1.5 miles south of Interstate Highway 10 Banning-Idelwild Road, San Jacinto Mountains 762 Comment
  RSA210963  Rhamnus tomentella subsp. cuspidata James Henrickson 1969-11-15 4370 Riverside 8 mi. SE of Banning along Hy R-1 in clearing Oak Pine Forest. 1585 Comment
  UCR35109  Rhododendron occidentale L. B. Ziegler 1978-6-21 594 Riverside San Jacinto Mtns, North Fork of the San Jacinto River (Dark Canyon). 1677 Comment
  UCD116881  Rhus aromatica Ted C. MacRae 1995-5-26 43 b Riverside Santa Rosa Mts., Pinyon Flats Cpgd., 15.5 mi S Palm Desert. 1219 Comment
  UCR34998  Rhus aromatica L. B. Ziegler 1974-4-2 521 Riverside San Jacinto Mountains, foothills of the San Jacinto Mountains, hillside slopes of lower Bautista Canyon 612 Comment
  JOTR01103  Rhus aromatica Cole, James E. 1941-5-23 775 Riverside Joshua Tree National Park. SPLIT ROCK AREA 1280 Comment
  POM2725  Rhus ovata I. M. Johnston s.n. Riverside Palm Canyon 762 Comment
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Jul 4 2015
  UC729537  Rhus ovata Carl B. Wolf 1932-5-24 Riverside 1/2 mi below;n base of San Jacinto Mountains Fish Hatchery; San Jacinto Mountains, Snow Creek Canyon 548 Comment
  UCR23275  Rhus ovata John C. Roos 1950-10-15 5007 Riverside San Bernardino Mtns., Dry Morongo Canyon, c. l mi south of Riverside-San Bernardino county line 612 Comment
  UCR268313  Rhus ovata Jim Andre 2012-6-15 30494 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
  UCR97486  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
  RSA0062683  Rhus ovata Dave Kelly 1948-1-23 s.n. Riverside Foothills of Batiesta [Bautista] Canyon, 7-10 mi. East of Hemet. 518 Comment
  RSA717670  Ribes californicum A. C. Sanders 2004-2-6 27379 Riverside Foothills at edge of Temescal Valley, ridge proposed for removal at development called Trilogy at Glen Ivy, south of Brown Canyon. 427 Comment
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Jun 27 2010
  UCR82800  Ribes indecorum A. C. Sanders, O. F. Clarke, M. Alexander 1994-1-1 14226 A Riverside San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  LA205484  Ribes malvaceum D. Birindelli; S. Medry 1969-3-9 sn Riverside NW side of Mt. Jacinto 1219 Comment
  UC1127275  Ribes malvaceum A. Lewis May 1934 456 Riverside w La Cienaga; Cleveland National Forest, Elsinore Quadrangle Comment
  RSA761166  Ribes nevadense Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 700 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA180385  Rosa californica E. W. Lathrop 1960-6-9 4976 Riverside 14 miles west of Murrieta. 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
  UC64527  Rosa californica H. M. Hall 1897-6-4 588 Riverside Riverside Comment
  RSA653123  Rostraria cristata Mitch Provance 1998-3-20 174 B Riverside Riverside area: Jurupa Mnts., pass west of Rattlesnake Mnts., along the east side of Armstrong Road, ca. 1/8 mile S of the San Bernardino Co. line., 34? 01' 59'' N, 117? 24' 53'' W 95 Comment
  UC1971231  Rubus parviflorus Scott D. White 1998-7-31 6939 Riverside IDYLLWILD AREA: Strawberry Creek between crossing at Circle Dr. and Humber Park. USGS 7.5' San Jacinto Peak quad. Comment
  UCR94930  Rumex acetosella Scott D. White 1996-8-15 4468 Riverside San Jacinto Mtns., Idyllwild Area: Alvin Meadows and unnamed canyon upstream. Upper margin of area that burned in July, 1996 1585 Comment
  UCR194213  Rumex conglomeratus Scott D. White, Angelia Carey 2004-6-4 10474 Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  SD146180  Rumex pulcher Mitch Provance, Andy C. Sanders 2000-7-4 2095 Riverside Santa Ana River Wash, between Market St. and Riverside Ave crossings 244 Comment
  RSA690941  Rumex salicifolius Scott D. White, Michael Honer 2003-5-27 9395 Riverside Gavilan Hills / Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak '2349.' 396 Comment
  RSA697858  Salazaria mexicana J. R. Bruff 1928-4-2 113 Riverside Canyon W of Morengo Comment
  JOTR30775  Salix exigua La Doux, Tasha, Mike Bell, Katy Matthews 2007-4-4 1886 Riverside Joshua Tree National Park. Little San Bernardino Mountains: (Stop 6) Smith Water Canyon 1264 Comment
  POM184904  Salix exigua 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
  POM248440  Salix exigua Philip Crow 1939-7-13 s.n. Riverside Blythe. Comment
  UC1280860  Salix exigua H. E. McMinn 1937-3-6 5010 Riverside 3 mi e Blythe (Colorado River Bridge) Comment
  SBBG29056  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-13 602 Riverside E side of bridge over Santa Ana River, 4.8 km N of Arlington on rd to Pedley, W of Eiverside 240 Comment
  RSA736790  Salix gooddingii Scott D. White, Angelia Carey 2004-7-2 10597 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  SD1047  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
  SDSU13389  Salix gooddingii Joseph Verfaillie, Shasta Gaughen 2000-4-29 51 Riverside Santa Margarita Eclogical Reserve North side. The south side of the river just west of the the old pipeline crossing. 235 Comment
  UC57071  Salix laevigata H. M. Hall Apr. 1902 2940 Riverside vicinity Riverside (along Santa Ana River); Santa Ana River 243 Comment
  UC717266  Salix laevigata W. A. Setchell and Victor Duran 1935-4-17 8 a Riverside 14 mi from Hemet (on way to Aguanga) Comment
  UCD111137  Salix laevigata A. C. Sanders 2004-5-12 27867 Riverside Elsinore Basin Region: Walker Canyon at north foot of Alberhill Mountain, Temescal Creek. Comment
  POM319278  Salix lasiolepis Patricia Wilder 1972-2-18 5355 Riverside North side of Norco, along the Santa Ana River at the end of Pedley St. 229 Comment
  UCR84595  Salix lasiolepis Scott D. White, S. Ogg 1994-4-21 1962 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  CAS-BOT-BC128449  Salix lasiolepis var. lasiolepis W. H. Brewer 1861-1-1 154 Riverside In canyon near hannigan's Temiscal Range Comment
  UC4983  Salix lutea H. M. Hall 1901-7-17 2447 Riverside San Jacinto Mts., Tahquitz Creek 1828 Comment
  CDA21321  Salsola australis L. Smith 2004-8-17 s.n. Riverside South Coast Region; Corner of Iowa St. and Martin Luther King Blvd., Riverside. 303 Comment
  CDA3210  Salsola tragus T. C. Fuller 1975-11-6 20115 Riverside Northeast corner of Monroe Street & Interstate 10 freeway, Indio. 0 Comment
  RSA586840  Salsola tragus D. L. Banks, Peter Morrell 1995-5-4 307 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, N of the Wildhorse Trail, on metasedimentary hills N of Wildhorse Peak. 622 Comment
  SD67650  Saltugilia australis I. W. Clokey, E. G. Anderson 1935-4-16 6830 Riverside East of Hemet. 600 Comment
  UCR256740  Saltugilia australis T. B. Salvato, Matthew Malle 2013-4-5 7523 Riverside Perris-Aguanga Basin, Sedco Hills, east-facing slope above the intersection of Green Meadow Way and Beverly Street, c. 5 mi east of Lake Elsinore 579 Comment
  RSA152099  Saltugilia splendens Wesley O. Griesel 1962-6-29 s.n. Riverside San Jacinto Mountains: Dark Canyon. 1921 Comment
  SD11889  Salvia apiana Victor Duran 1933-7-1 3491 Riverside Near Santa Rosa, Santa Rosa Mountains. 1829 Comment
  UCR121341  Salvia apiana A. C. Sanders, Mark Elvin, , Vipul Joshi 2002-4-26 25030 Riverside The Badlands, west fork of Laborde Canyon near old rocket test facility 622 Comment
  SEINET10499053  Salvia apiana David B. Dunn 1940-4-13 Dunn s.n. Riverside Torey pines. A bluff rising about 500 ft above the pacific ocean, dry sand, soil Or sandstone coastal sage, lower sonoron. Petsamo. Comment
  JOTR34308  Salvia columbariae Andre, Jim 2012-4-11 20722 Riverside Joshua Tree National Park. Pinto Basin; along road to Cootonwood, I mi NW of Fried Liver Wash, approx. 15 mi S of Hwy 62 in Twentynine Palms 617 Comment
  RSA401492A  Salvia columbariae Bruce M. Crawford 1932-5-1 s.n. Riverside 15 miles east Windmill springs [At or near Windmill Tank] Comment
  UC1124723  Salvia columbariae H. S. Yates 1937-3-23 6411 Riverside 3 mi n Palm Springs; San Jacinto Quad. 213 Comment
  UC144540  Salvia columbariae C. F. Baker 1904-4-5 4143 Riverside Hemet Comment
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Jul 4 2010
  UC884003  Salvia columbariae I. W. Clokey 1935-4-17 6875 Riverside Cottonwood Springs Comment
  UCR91454  Salvia columbariae Scott D. White 1995-3-30 2670 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  UCSB11998  Salvia columbariae Schevill, Peggy 1963-5-5 Riverside Joshua Tree Woodland; About 5 miles north by northwest; Pinyon Flats Campground; Calif Hwy 74 1021 Comment
  SFV4249  Salvia greatae W. A. Emboden, Jr. May 1963 s. n. Riverside Colorado Desert Between Chocolate Mountains and Orocopia Mountains at base of outwash plains. 245 Comment
  SEINET13947460 Image available Salvia greatae Jon M. Stewart 1986-1 86 -8 Riverside South fork of Hidden Spring Canyon, Mecca Hills. (T7S, R10E, SW1/4 of NE1/4 sec. 12) 1000 ft alt. 305 Comment
  CAS-BOT-BC229983  Salvia mellifera C. L. Hitchcock 1966-3-16 24181 Riverside 1/4 mile w. of Aguanga Comment
  RSA727056  Salvia mellifera Jay Walker, R. C. Walker 3087 Riverside 1.6 m W of Radec (jct 79 and R3), along Cutca Valley Road, 0.3 miles from jct with hwy 79. Comment
  UCR251307  Salvia mellifera T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2013-3-28 7428 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Murrieta Road and Scott Road 517 Comment
  POM11929  Salvia pachyphylla subsp. pachyphylla P. A. Munz 1922-6-29 5888 Riverside Santa Rosa Mountains: Santa Rosa. 2134 Comment
  CAS-BOT-BC233335  Salvia vaseyi S. B. Parish 1907-4-22 6164 Riverside Palm Canyon, western base of the Colorado Desert 200 Comment
  SD241887  Salvia vaseyi Jay Walker, R. C. Walker 2004-4-15 3102 Riverside Ca. 6 miles NE of Pinyon Flats, along hwy 74, at mile marker 87.25 in the first pullout uphill from Vista Point. Comment
  CAS-BOT-BC238859  Sambucus nigra subsp. caerulea H. M. Hall 1901-6-1 2216 Riverside San Jacinto Mountains. Onstatt's Valley 1615 Comment
  UCR268291  Sambucus nigra subsp. caerulea Jim Andre 2012-6-15 30530 Riverside San Jacinto Mountains, Banning, along Hwy 243, 10.7 miles south of Interstate 10, San Bernardino National Forest 1499 Comment
  UCR59810  Samolus parviflorus Jeri Hirshberg 1989-7-25 s.n. Riverside Peninsular Range, Butterfield Country, SW of Vail Lake Comment
  RSA571310  Sanicula arguta Steve Boyd, Darin Banks 1994-4-5 8258 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potrero. Comment
  UCR1418  Sanicula arguta Frank C. Vasek 1960-4-12 600412- 05 Riverside Peninsular Range, County road S16 (Pala Rd.) between Temecula and Pala, 0.5 mi north of the San Diego Co. line Comment
  UCR63619  Sanicula arguta Ed LaRue 1990-4-10 s.n. Riverside Midway between Pauba Valley & Wolf Valley, 1/2 mi. north of the Pechanga Indian Reservation 367 Comment
  UCR138650  Sanicula crassicaulis D. L. Banks 1997-3-29 1641 Riverside Agua Tibia Mtns., NW Palomar Mountains, Pechanga Indian Reservation. An area of native grassland along the Magee Truck Trail at the southern extremity of the Reservation, just before the Riverside/San Diego Co. line 482 Comment
  CLARK-A1528-1453  Sanicula tuberosa John C. Roos 1950-4-22 4755 Riverside Reche Canyon 761 Comment
  CLARK-A1045-216  Sarcostemma hirtellum George K. Helmkamp 1979-4-18 Riverside Little San Bernardino Mountains 3.5 miles north of Dillon Road; dry wash; Lost Horse Mtn. 15'Q Comment
  UCR35277  Saxifraga californica L. B. Ziegler 1974-4-2 523 Riverside San Jacinto Mountains, foothills of the San Jacinto Mountains, hillside slopes of lower Bautista Canyon 612 Comment
  SD224815  Schinus molle Scott D. White 1996-2-18 3810 Riverside Double Butte, NW of Winchester. SE-facing slope of W butte and alluvial soil at base. USGS 7.5 Winchester topo. 456 Comment
  RSA781198  Schismus arabicus A. C. Sanders 2010-3-25 37629 Riverside northeast side of the Salton Sea, Hwy 111 at Mortmar near North Shore (Desert Beach), near Marina Dr. -60 Comment
  POM14336  Schoenoplectus maritimus Phillip A. Munz 1922-4-29 5107 Riverside [Sedco] Station, south of Elsinore. Comment
  UCR77690  Schoenoplectus saximontanus Steve Boyd, T. S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6338 Riverside Peninsular Range, Skunk Hollow area, 2 mi east of Murrieta Hot Springs, just west of Second San Diego Aquaduct Comment
  CAS-BOT-BC111018  Scirpus microcarpus H. M. Hall 1901-6-1 2289 Riverside Along water courses in the vicinity of Strawberry Valley, San Jacinto Mts. Comment
  POM220100  Scirpus microcarpus L. C. Wheeler 1931-10-3 184 Riverside Strawberry Valley, San Jacinto Mountains. 1585 Comment
  POM49847  Scirpus microcarpus Phillip A. Munz, I. M. Johnston 1924-7-29 8885 Riverside Lone Oak Ranch, Banning-Idyllwild Road. 1037 Comment
  UCR22104  Scirpus microcarpus Steve Boyd 1980-5-28 302 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 625 Comment
  UCR161440  Scrophularia californica A. C. Sanders, Mike Misenhelter 2005-9-20 31687 Riverside San Jacinto Mtns. Foothills, Santa Rosa Hills south of Hemet, road NW of Gibbel Flat, south end of Cornell St., 0.5 mi. SE of the Ramona Bowl 610 Comment
  UCR262271  Scrophularia californica A. C. Sanders 2006-5-13 32291 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
  UCSB25710  Scrophularia californica Gliessman, Stephen 1968-7-17 Riverside along Little Thomas Mountain Road, 2.7 miles southwest of junction with Highway 74, Little Thomas Mountain 1524 Comment
  JEPS86531  Scrophularia californica subsp. floribunda Roy E. Buck 1988-4-1 867 Riverside 7 air km w Lake Elsinore (town) (2.0 air km nw of confluence of Harlon Canyon and Johnson Canyon drainages, above CA Hwy 74 near top of grade); Elsinore Mts 780 Comment
  RSA282932  Scrophularia californica subsp. floribunda C. W. Tilforth, B. Busenberg 1980-4-17 2017 Riverside Open slope south of Toolbox Spring Campground along Thomas Mtn. Rd., south of Lake Hemet, west of Hiway 74. Comment
  RSA740238  Scutellaria bolanderi subsp. austromontana Scott D. White, Justin M. Wood 2008-7-8 12366 Riverside San Jacinto Mountains: Hurkey Creek Watershed- Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  CAS-BOT-BC341108  Scutellaria mexicana Ivan Johnston 1917-4-4 1115 Riverside Palm Canyon Comment
  UCR98062  Selaginella bigelovii A. C. Sanders 1997-3-1 19731 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-BC62078  Selaginella eremophila Ira L. Wiggins 1938-3-25 8925 Riverside Eagle Canyon, 3-5 miles south of Palm Springs Comment
  UCR114334  Senecio californicus Mitch Provance 2000-4-8 2010 Riverside Jurupa Mountains, S extension of 'Rattlesnake Mt.', <100 m west of peak 1739. 518 Comment
  POM319672  Senecio flaccidus var. douglasii Patricia Wilder 1971-9-29 5264 Riverside Base of San Jacinto. Along San Jacinto River at north end of Fairview Street, north of Florida Street, Valle Vista; east of Hemet. 518 Comment
  UCR261142  Senecio flaccidus var. douglasii A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-20 41737 Riverside Temesal Canyon, open area on south side of I-15, between Horse Thief Canyon Road and Hostettler Rd. 396 Comment
  UCR92386  Senecio flaccidus var. douglasii F. M. Reed 1933-11-6 8306 Riverside Peninsular Range; Santa Rosa Mtns, Santa Rosa Indian Reservation 1402 Comment
  JEPS4751  Senecio flaccidus var. monoensis Roxana S. Ferris and R. Bacigalupi 1953-4-20 12634 Riverside 4.0 mi n Shaver Summit (road to Lost Palms Canyon) Comment
  JOTR01288  Senecio flaccidus var. monoensis Cole, James E. 1941-5-21 754 Riverside Joshua Tree National Park. COTTONWOOD SPRING WASH 914 Comment
  CLARK-A1045-234  Senecio vulgaris George K. Helmkamp 1978-4-1 Riverside Whitewater junction of Interstate highway 10 and Verbenia Avenue; Whitewater 7.5'Q Comment
  UCR91493  Senecio vulgaris Scott D. White 1995-4-5 2706 Riverside Moreno Valley, Base of slope in 'Badlands', off [Moreno-Redlands] Blvd 640 Comment
  SEINET7347857  Senna armata H. M. Hall 5843 Riverside Colorado Desert, Canon Springs Comment
  UCR269234  Senna artemisioides A. C. Sanders, T. B. Salvato, Cecile Shohet 2016-2-28 42000 Riverside Peninsular Range, along Hwy 79 c. 1 km east of Los Caballos Rd. and 1 km west of Pauba Rd. 401 Comment
  SEINET2042037 Image available Sesbania herbacea George Helmkamp, E. A. Helmkamp 2000-8-29 5984 Riverside Colorado Desert: S of Mecca, where Lincoln St. Crosses the Whitewater River. Ca. 0.5 mi from the Salton Sea. 67 Comment
  RSA674753  Sesuvium verrucosum Scott D. White 2001-6-29 8633 -A Riverside Meniffe Valley: About 1.4 air mi SW of the I-215/ Newport Rd. Interchange, northwest of the intersection of HollandRd. and Bradley Rd. 439 Comment
  UC1713560  Sesuvium verrucosum L. J. Childs 1920-12-8 Riverside Colorado Desert, Dos Palumas Dos Palumas; Colorado Desert, Dos Palmas 30 Comment
  UCR84473  Sesuvium verrucosum Steve Boyd, D. Banks 1994-9-29 8372 Riverside Lake Elsinore, Floodplain east of dike along San Jacinto River, west of Sedco Hills community 381 Comment
  UCR176676  Setaria parviflora G. S. Nuessly 1980-10-14 s.n. Riverside Riverside: U.C. Riverside campus, above Picnic Hill 351 Comment
  UCR100568  Sibaropsis hammittii Steve Boyd, T. S. Ross 1992-4-1 6775 Riverside Santa Ana Mountains, Elsinore Peak area, south of Lake Elsinore. S base of peak (3448') to SE of Elsinore Peak. 1000 Comment
  LA205893  Sidalcea malviflora W. B. Welch; 1928-5-5 sn Riverside San Jacinto Mountains, Idyllwild Comment
  RSA433915  Sidalcea malviflora subsp. sparsifolia E. C. Jaeger 1921-6-21 s.n. Riverside Idyllwild. 1585 Comment
  UC18905  Sidalcea malviflora subsp. sparsifolia Mrs. Gregory 1890-1 Riverside at San Jacinto Comment
  UCR265593  Silene gallica Jordan Zylstra 2014-3-18 14005 Riverside San Jacinto Mountains, Apple Canyon, west of Apple Canyon Road 1453 Comment
  UCR177941  Silene lemmonii Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 532 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  UC852935  Silene parishii P. A. Munz 1922-9-7 6412 Riverside San Jacinto Peak 3261 Comment
  UCR25019  Silene parishii A. C. Sanders 1980-7-23 1747 Riverside San Jacinto Mtns, Black Mountain, between Black Mtn Campground and Boulder Basin, at the head of Ditch Creek. 2195 Comment
  POM12657  Silene verecunda subsp. platyota P. A. Munz 1922-9-7 6401 Riverside Tamarack Valley 2805 Comment
  RSA335004  Silybum marianum Steve Boyd 1985-7-30 1048 Riverside De Luz Rd. 7.8 mi west of Rancho California. Comment
  RSA691060  Sinapis arvensis Scott D. White, Michael Honer 2003-4-9 8976 Riverside Northeast corner of Devonshire Ave. and Warren Road, immediately southwest of Tres Cerritos. Former chicken farm. 473 Comment
  RSA0013620  Sisymbrium altissimum LeRoy Gross, Duncan S. Bell 2013-4-30 6027 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
  RSA0123681  Sisymbrium altissimum Duncan S. Bell, LeRoy Gross 2016-3-9 8860 Riverside Orocopia Mountains; northwestern section of the range, approximately 6.5 air miles southwest of Chiriaco Summit, collecting in the area know as Hotel California. 775 Comment
  RSA586945  Sisymbrium altissimum D. L. Banks, S. D. Boyd 1995-5-17 474 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail., In the drainage immediately E of the spring just inside the wilderness boundary in north-central, section 33. 707 Comment
  UCR140714  Sisymbrium altissimum A. C. Sanders 2004-4-9 27459 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks 518 Comment
  UCR177637  Sisymbrium altissimum S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., Reed Valley at beginning of powerline trail to Juan Diego Flats, NW of Cahuilla Mountain 1037 Comment
  UCR264743  Sisymbrium erysimoides Steve Boyd, Carol Boyd 2011-3-15 12302 Riverside Peninsular Ranges, Santa Rosa Mountains, Western base of Eisenhower Mountain, southeast of The Living Desert at mouth of Deep Canyon 152 Comment
  UCR72351  Sisymbrium erysimoides A. C. Sanders, O. F. Clarke, M. Humboldt 1992-1-18 12009 Riverside Riverside, Victoria Avene, near Jefferson Street 274 Comment
  CAS-BOT-BC75242  Sisymbrium irio C. L. Hitchcock 1940-4-1 5922 Riverside Cottonwood Spring Wash. Comment
  CSUSB556  Sisymbrium irio D. L. Heald 1966-3-15 7 Riverside On the corner of Mongolia Avenue and Overland Street near Chemawa Jr. High School, Arlington 304 Comment
  UCR100045  Sisymbrium irio Scott D. White 1993-3-3 1091 Riverside Perris Basin, Romoland/Winchester area 442 Comment
  SEINET10448758  Sisymbrium irio Billy Joe Cox 1975-4-23 Cox 4128 Riverside Palo verde, 1.3 km w, 32 mi. S. Of blythe; creosote desert scrub; sandy and gravelly entisols. 70 Comment
  UCR241633  Sisymbrium orientale T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 344 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  UCR59766  Sisymbrium orientale Steve Boyd 1989-3-31 3077 Riverside Peninsular Range, Vail Lake area, south of Hwy 79, 0.25 mi east of Pauba Road 457 Comment
  CSUSB978  Sisyrinchium bellum Anna Mayers 1978-4-24 Riverside Rubidoux Nature Center, Riverview Drive, Rubidoux. Comment
  RSA366996  Sisyrinchium bellum M. B. Dunkle 1933-7-22 3740 Riverside Tahquitz Valley. 2317 Comment
  RSA612780  Sisyrinchium bellum Darin L. Banks, Victor Steinmann 1997-3-13 1422 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  POM13125  Solanum douglasii I. M. Johnston 1922-5-19 5329 Riverside Glen Ivy Comment
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Oct 22 2011
  RSA666630  Solanum elaeagnifolium A. C. Sanders, Mark A. Elvin, Vipul Joshi 2002-4-26 25026 Riverside The Badlands: west fork of Laborde Canyon near old rocket test facility. 622 Comment
  RSA450190  Solanum elaeagnifolium J. C. Roos 1965-7-29 s.n. Riverside Along RR track in Banning with Franseris tennuifolia and Cucurbia foetidissima. Comment
  UCR91670  Solanum parishii Steve Boyd, D. L. Banks 1995-3-30 8407 Riverside Agua Tibia Mountains, Palomar Range, Agua Tibia Wilderness Area; N flank of Agua Tibia Mtn, at W edge of the Dripping Springs alcove in tributary of Kolb Creek just east of old Woodchuck Truck Trail. 701 Comment
  CAS-BOT-BC156676  Solanum umbelliferum P. A. Munz 1932-3-24 12030 Riverside North of Elsinore 304 Comment
  CLARK-A1528-895  Solanum umbelliferum Fred B. Essig 1963-11-29 8 Riverside La Sierra 640 Comment
  SD73612  Solanum umbelliferum Helen V. Witham 1970-5-1 855 Riverside Bautista Canyon, southeast of Hemet 800 Comment
  UCR20822  Solanum umbelliferum A. C. Sanders, Steve Boyd 1980-5-2 1409 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  RSA444794  Solidago californica J. C. Roos 1952-8-27 5892 Riverside Haas Ranch, Reche Canyon 457 Comment
  CAS-BOT-BC365131  Solidago velutina subsp. californica E. W. Lathrop 1965-10-24 6018 Riverside 8 miles west of Murrieta. Plateau of the Santa Ana Mountains 609 Comment
  UC1922177  Solidago velutina subsp. californica Scott D. White, Jennifer H. Jones 2005-7-5 11152 Riverside San Ana Mtns: Rainbow Valley area, west of I-15 and just N of San Diego Co. boundary. Comment
  UCD136166  Sonchus oleraceus K. Esau 1935-6-25 s.n. Riverside road to Beaumont. Comment
  RSA587426  Sonchus oleraceus D. L. Banks, S. D. Boyd 1995-6-2 0570 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
  UCR2758  Sorghum halepense F. M. Reed 1918-12-5 4052 Riverside Riverside, near Experiment Station 305 Comment
  CSUSB1333  Spartium junceum Robin Maetche 1971-5-15 Riverside 4 miles from Elsinore on Highway 74. Comment
  UCR137680  Spergularia A. C. Sanders 1993-4-1 13673 Riverside Perris-Aguanga Basin Region, western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St. and Devonshire Ave., 0.75 mile NE of the intersection of Florida Ave (Hwy 74) and Warren Rd, just south of Tres Cerritos 460 Comment
  RSA0097882  Spergularia bocconi Scott D. White 2008-4-28 11914 Riverside San Gorgonio Pass: Banning, S of I-10 freeway and just N of San Jacinto Mountains toeslope. E of Sunset Ave. 671 Comment
  RSA0098519  Spergularia marina Steve Boyd, Timothy S. Ross 1990-5-11 4680 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  RSA0098525  Spergularia marina Steve Boyd 1980-4-27 s.n. Riverside Harford Springs County Park. Located on the NW corner of the Gavilan plateau. N base of Cross Mtn. Comment
  RSA0098090  Spergularia rubra Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-6-10 3697 Riverside Vail Lake area, benches of Arroyo Seco and slopes of adjacent hills to E. 488 Comment
  RSA0045240  Sphaeralcea W. Marquart 1938-3-12 s.n. Riverside Fifteen mi. west of Blythe. Comment
  SFV2301  Sphaeralcea ambigua P. G. Kilburn 1958-5-16 804 Riverside San Jacinto Mountains Pinyon Flat Campground, 12 miles south of Palm Desert. 1220 Comment
  UCR154466  Sphaeralcea ambigua Jason L. Hlebakos 2005-5-30 811 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  RSA172244  Sphaeralcea ambigua subsp. ambigua Robert F. Thorne 1963-3-29 32433 Riverside Eagle Mountains, Pumping Station, S side of Eagle Mountains; ca. 12 miles W of Desert Center 534 Comment
  RSA445025  Sphaeralcea ambigua subsp. rosacea N. C. Cooper 1949-6-29 4292 Riverside East side of San Jacinto Mountains. 1524 Comment
  JEPS67307  Sphaeralcea ambigua var. ambigua Marjorie D. Clary 1931-3-29 1 Riverside Coachella Valley; Santa Rosa Range Comment
  RSA782337  Sphaeralcea ambigua var. ambigua Jim Andre, G. L. Clifton 2011-2-22 17461 Riverside Mecca Hills; along Box Canyon Road, 10.3 miles NE of town of Mecca. 219 Comment
  CAS-BOT-BC540728  Sphaeralcea angustifolia Sarah J. De Groot; Amy Rouillard 2015-9-15 7557 Riverside Ford Dry Lake, Chuckwalla Valley, N of I-10 106 Comment
  JEPS67349  Sphaeralcea emoryi var. emoryi W. L. Jepson Oct 22 1912 - Nov 7 1912 5263 Riverside Nedles to Yuma, Palo Verde Valley, Cal. Blythe. 82 Comment
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Sep 4 2011
  POM306732  Sphaeralcea emoryi var. emoryi Henry J. Ramsey, Henry J. Ramsey 1938-4-26 1710 Riverside West of blythe. Comment
  RSA0097958  Sporobolus airoides Duncan S. Bell 2014-11-14 7715 Riverside Santa Rosa Mountains; in the Santa Rosa Wilderness area; west side of Martinez Mountain; collecting at Cactus Spring. 1292 Comment
  UCD93055  Sporobolus airoides H. M. Reed 1906-7-12 1136 Riverside Near Riverside, Pine St. near Brick Yard River. Comment
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Jan 18 2014
  RSA483258  Sporobolus contractus S. B. Parish 1912-10-13 8242 Riverside [Kur] Agua Dulce, Salton Basin -58 Comment
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Dec 22 2011
  UCR30543  Sporobolus cryptandrus John C. Roos 1937-8-19 464 Riverside Peninsular Range; San Jacinto Mtns., Thomas, c. 2 mi SE of Hemet Lake 1341 Comment
  UC25927  Stachys ajugoides var. rigida H. M. Hall 1901-7-23 2539 Riverside n side San Jacinto Mountains Comment
  UCR922  Stachys albens Geraldine Wedell 1959-5-14 s.n. Riverside San Bernardino Valley Region, Riverside, Fairmount Park, on NW side of Dexter Drive, SW side of American Legion building. 237 Comment
  RSA544376  Stachys stebbinsii Steve Boyd, T. S. Ross 1991-6-14 6391 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
  CAS-BOT-BC60922  Stanleya pinnata Reid Moran 1941-5-5 853 Riverside Cottonwood Spring, Eagle Mountains. Comment
  JEPS53898  Stanleya pinnata Marjorie D. Clary 1932-5-25 1491 Riverside Hexie Mountain Colorado Desert, , Hexie Mt (Pleasant Valley) 1066 Comment
  JOTR29272  Stanleya pinnata var. pinnata La Doux, Tasha 2005-8-17 1542 Riverside Joshua Tree National Park. Little San Bernardino Mountains, east of Barker Dam; near Wall Street Mill parking lot along trail heading toward Wonderland Wash 1319 Comment
  CAS-BOT-BC393996  Stellaria nitens Steve Boyd 1986-3-9 1400 Riverside Temescal Canyon: Terrace escarpments between Indian Truck Trail and Horsetheif Wash 365 Comment
  UCR121685  Stellaria nitens D. E. Bramlet 1990-4-27 1984 A Riverside Peninsular Range, Ridgeline 2100-2500 ft. (c. 0.4 mi.) NE of knoll '2502,' and 1200-1500 ft. (~ 0.21 mi.) west of Rawson Canyon 671 Comment
  SDSU13673  Stephanomeria Jutta Buschbom 1991-6-20 14 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
  RSA588820  Stephanomeria exigua subsp. deanei D. L. Banks, S. D. Boyd 1995-10-17 0773 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
  SD187369  Stephanomeria exigua subsp. deanei Scott D. White, Angelia Carey 2004-9-16 10754 Riverside Along Poppet Creek northeast of San Jacinto River. 561 Comment
  UCD136339  Stephanomeria exigua subsp. exigua Robert F. Thorne; C. W. Tilforth 1980-5-28 54157 Riverside San Bernardino Mts: Colorado Desert slopes, south-facing and west-facing, N-S rocky ridge at east side of Whitewater River at mouth of canyon. Around 1/4-1/2 mile east of Whitewater Post Office. Comment
  CAS-BOT-BC375870  Stephanomeria virgata Fred M. Reed 1907-9-19 1948 Riverside Riverside and Vicinity. On Blaine St. Comment
  CLARK-A1528-2110  Stephanomeria virgata John C. Roos 1965-10-7 Riverside Beaumont Comment
  UC2047232  Stephanomeria virgata subsp. pleurocarpa A. C. Sanders 2008-7-25 35921 Riverside Peninsular Range: San Jacinto Mtns.:east side of May Valley, NE of Bonita Vista Road at foot of hills. Idyllwild 7.5' Quad. Comment
  JEPS48729  Stillingia linearifolia Marjorie D. Clary 1932-5-22 929 Riverside Hexie Mt. Comment
  RSA145076  Stillingia linearifolia William M. Klein 1958-2-11 35 Riverside 2.6 mi. east of Cabazon on hwy. 70-99 545 Comment
  RSA336054  Stillingia linearifolia R. F. Thorne, Avi Shmida, Robert Whittaker 1978-4-23 52063 Riverside Palm to Pines Highway: Above Palm Desert., north slope Santa Rosa Mountains. Comment
  RSA645680  Stillingia linearifolia Scott D. White 1999-5-2 7288 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
  RSA708652  Stillingia linearifolia Scott D. White 2005-3-29 10843 Riverside San Gorgonio Pass: Cabazon. Alluvial fan and benches west of San Gorgonio river and south of I-10 Freeway. West of existing gravel quarry, likely to be proposed for quarry expansion. 585 Comment
  UC665813  Stillingia linearifolia Ira L. Wiggins 1941-3-27 9705 Riverside slopes 4 mi n Whitewater Comment
  UCR144087  Stillingia linearifolia Scott D. White 1999-6-8 7453 Riverside Santa Ana Mtns, Corona, near Bedford Canyon: foothills at E slope of Santa Ana Mtns. ''Joseph Canyon'' wash near a disused quarry 366 Comment
  UCR35105  Stillingia linearifolia L. B. Ziegler 1966-9-13 086 Riverside Sonoran (Colorado) Desert, San Jacinto Mountains, Dry wash of Carrizo Creek Canyon 703 Comment
  RSA76961  Stillingia spinulosa F. W. Peirson 1924-12-29 5403 Riverside Sand hill near Palm Springs RR Station. Comment
  UCR62828  Stipa californica B. Lennart Johnson 1961-8-8 G- 164 Riverside San Jacinto Mtns., Fuller's Ridge, on the N slope of Mt. San Jacinto, c. 1000 ft. below the non-through road with steep grades, along Forest Service Road 2439 Comment
  SEINET238475  Stipa capensis A. C. Sanders, G. Helmkamp; P. MacKay 1995-3-19 16148 Riverside Coachella Valley/San Jacinto Mtns. foothills: Alluvial fan of Chino Canyon along the Palm Springs tram road N of the r 300 Comment
  UCR233590  Stipa capensis Robert Weiss 2012-4-9 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley Preserve NE of Palm Desert and E of Thousand Palms, off Southern Calif. Edison right-of-way road along powerlines, at tower 219-3, west of Washington St. 77 Comment
  UCR25382  Stipa coronata John C. Roos 1947-5-10 3613 Riverside Peninsular Range, Console Springs, north of Sunnymead 671 Comment
  OBI32753  Stipa pulchra E. W. Lathrop 1964-5-10 5372 Riverside 10 mi W of Murrieta Comment
  UCR20376  Streptanthus campestris W. W. Mayhew 1978-5-4 s.n. Riverside Santa Rosa Mtns, Pinyon Flat 1280 Comment
  IRVC26258  Stylocline gnaphalioides A. C. Sanders, D. Malueg 2003-5-8 26569 Riverside Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek Perris-Aguanga Basin region 396 Comment
  RSA586330  Stylocline gnaphaloides D. L. Banks, S. D. Boyd 1995-5-3 0195 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UC1979568  Stylocline gnaphaloides Darin L. Banks, Steve Boyd 1995-5-9 0404 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. Comment
  UCR92237B  Stylocline gnaphaloides D. L. Banks, Steve Boyd 1995-5-3 0195 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
  CLARK-A1528-2113  Stylocline micropoides John C. Roos 1949-4-11 4234 Riverside Chuckwalla Mountains Comment
  JOTR30143  Stylocline micropoides La Doux, Tasha 2008-2-4 1709 Riverside Joshua Tree National Park. Stop #1: Hexie Mtns./Porcupine Wash; open sandy wash near road heading to Cottonwood. 745 Comment
  UC1178635  Swertia parryi Peter Kamb 1949-10-30 1566 Riverside Hall Canyon San Jacinto Mts. 1645 Comment
  RSA212931  Symphoricarpos albus var. laevigatus L. B. Ziegler 1969-6-4 s.n. Riverside Hemet Valley near Kenworthy Ranger Station. 1463 Comment
  UCR282415  Symphoricarpos mollis Mitch Provance 2009-7-1 709- 03 Riverside Badlands of Western Riverside County, San Timoteo Canyon, just south of San Timoteo Canyon Rd. along paved access road to the El Casco Substation 616 Comment
  POM17828  Symphoricarpos rotundifolius var. parishii P. A. Munz 1923-6-14 7071 Riverside Santa Ana Mountains: Santiago Peak. 1524 Comment
  CAS-BOT-BC99402  Symphyotrichum subulatum var. parviflorum Scott D. White; Steve Ogg 1994-10-17 2484 Riverside Temecula Valley. City of Temecula, Murrieta Ck channel 1000 ft N of bridge at Rancho Calif. Ave., 305 Comment
  UCR170126  Tamarix chinensis Jeffrey Ross, Sam Lau, Jenny Phui 1998-5-31 101 Riverside San Bernardino Mtns. region, Morongo Indian Reservation; Lion Canyon 756 Comment
  RSA500169  Tamarix ramosissima Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-6-10 3658 Riverside Vail Lake area, Temecula Creek canyon below the dam. 457 Comment
  RSA713971  Tamarix ramosissima A. C. Sanders 2004-6-20 28214 Riverside Peninsular Range: Temescal Canyon, 'Serran Highlands' project, between Glen Ivy Hot Springs and Arcilla NE side of the I-15 Fwy, south of Clay Canyon Rd. 305 Comment
  RSA544381  Tamarix ramosissima Steve D. Boyd, Tim S. Ross 1991-6-14 6396 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
  POM202552  Tauschia arguta Marcus E. Jones 1934-2-18 s.n. Riverside Whitewater Canyon. Colorado desert. Comment
  UC21422  Tauschia arguta H. M. Hall June, 1901 2083 Riverside exposed s slopes in the vicinity Chalk Hill; San Jacinto Mountains, vicin Chalk Hill Comment
  RSA455505  Tauschia parishii Gary D. Wallace 1964-5-26 s.n. Riverside San Jacinto Mountains. Comment
  UC21444  Tauschia parishii H. M. Hall 1901-6 2328 Riverside near Tahquitz; San Jacinto Mountains, near Tauquitz 2133 Comment
  JOTR01099  Tetracoccus hallii Cole, James E. 1941-4-21 635 Riverside Joshua Tree National Park. WILSON CANYON 609 Comment
  UC869176  Tetracoccus hallii C. L. Hitchcock 1940-4-2 5926 Riverside Cottonwood Spring, Wash Joshua Tree National Monument Comment
  JOTR37467  Tetradymia axillaris var. longispina Hodges, Stephen, T. Green 2016-5-5 589 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Upper Covington Flats, southwest from parking area for Covington Crest trail, along the ridge crest (Stop 1) Comment
  UCR151124  Tetradymia comosa Scott D. White 1998-10-9 7175 Riverside Peninsular Ranges/Santa Ana Mtns, Corona, near Bedford Canyon: ''Joseph Canyon'' wash near a disused quarry. Site adjacent to housing tracts now under construction, and proposed for same 366 Comment
  UCR21520  Tetradymia comosa 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
  JEPS2892 Image available Teucrium cubense subsp. depressum W. L. Jepson Oct 22 1912-Nov 7 1912 5258 Riverside Palo Verde Valley Colorado River 45 Comment
  CAS-BOT-BC181002  Thamnosma montana unspecified 1905-4-1 5892 Riverside Colorado Desert Comment
  UCR282302  Thamnosma montana Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel, Jackie McConnaughy 2011-3-23 816 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' Old mine access road 396 Comment
  RSA162738  Thysanocarpus curvipes J. D. Olmsted 1958-3-29 68 Riverside 3 miles N of Cottonwood Spring in Joshua Tree national Monument which is 8 miles from the southern entrance. 915 Comment
  UCR156610  Thysanocarpus curvipes Jason L. Hlebakos 2005-5-3 615 Riverside Santa Ana Mtns, Elsinore Peak 1039 Comment
  UCR214312  Thysanocarpus curvipes A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38405 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  JOTR01044  Thysanocarpus curvipes Cole, James E. 1941-4-15 598 Riverside Joshua Tree National Park. 1 MILE ABOVE PINON WELL 1493 Comment
  RSA0057422  Thysanocarpus curvipes C. L. Hitchcock 1932-4-9 12232 Riverside White tanks, eastern Riverside. Comment
  SD108971  Thysanocarpus curvipes subsp. eradiatus James Henrickson 1973-3-18 8610 a Riverside 33 miles east of Temecula, 5-7 miles southeast of Terwilliger at north end of Coyote Canyon Road, on the first steep grade down to canyon. 760 Comment
  SD137823  Thysanocarpus laciniatus var. laciniatus Darin L. Banks, Steve Boyd 1995-3-16 95 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. North slope of Agua Tibia Mountain, east of the Dripping Springs Alcove. 590 Comment
  SEINET3165668  Thysanocarpus rigidus M. D. Windham 2005-2-27 3299 Riverside SSW of Palm Desert along CA 74 near rim of Deep Canyon ca. 0.57 km SSW of the summit (4775) of Sugarloaf Mountain. 1204 Comment
  RSA784768  Tidestromia oblongifolia Duncan S. Bell 2012-3-18 3172 Riverside Mecca Hills; southeastern section of hills; up a side canyon of the east fork of Hidden Springs Canyon, approximately 1.5 air mile southwest of Hidden Spring. 129 Comment
  UCR239244  Tidestromia oblongifolia Thomas R. Stoughton, J. McConnaughy, A. Monks 2010-12-15 728 Riverside Mojave Desert; East Mojave Desert, Palen Valley. Hwy 177. N of Desert Center. Site #2 274 Comment
  RSA0087453  Tidestromia suffruticosa var. oblongifolia Sarah J. De Groot, Amy Rouillard 2015-9-15 7566 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 107 Comment
  UCR113719  Tragopogon porrifolius Mitch Provance, J. George 2000-5-10 2020 Riverside Riverside, UCR Campus, planters between the old Citrus Experiment Station (Anderson School of Management) and parking lot #6 305 Comment
  RSA550015  Trichoptilium incisum Walter Wisura, John Dolan, C. Demme 1992-4-13 4682 Riverside Low Desert: 13.1 mi NE of Mecca on Box Canyon Rd. Comment
  UCR148484  Trichoptilium incisum John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  UCR166858  Trichoptilium incisum Chet McGaugh 2005-1-27 s.n. Riverside Sonoran (Colorado) Desert, E of Salton Sea, along Coachella Canal between siphons 26-27 NE of Dos Palmas Spring 24 Comment
  RSA752422  Trichostema austromontanum subsp. austromontanum A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35615 Riverside May Valley c. 1.1 mi SW of Fleming Ranch, along dirt track 1555 Comment
  SEINET8999659 Image available Trichostema lanatum Robert F. Thorne, Simon, J. -P.; Tilforth, C. W. 1969-6-24 38131 Riverside SAN BERNARDINO NATINAL FOREST, SAN JACINTO MTS.: N of James Reserve & Lake Fulmor 1676 Comment
  UCR139643  Trichostema lanceolatum A. C. Sanders 2004-6-30 28389 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
  CLARK-A1528-1262  Tridens muticus John C. Roos 1946-11-30 3173 Riverside Chuckawalla Mountains Comment
  SEINET244822 Image available Trifolium apertum Walter Graves 2001-5-21 01 -1 Riverside CULTIVATED; Riverside: grown at UCR Experiment Station (Ag Ops fields) 305 Comment
  UCR121794  Trifolium depauperatum A. C. Sanders, Carolyn Washburn 2001-4-17 24038 Riverside San Jacinto Valley, west edge of Hemet, SW corner of Florida Ave. (Hwy 74) and Warren Rd. 457 Comment
  UCD108513  Trifolium depauperatum var. truncatum A. C. Sanders; Kelly Volansky 2005-3-17 29206 Riverside Perris-Aguanga Basin Region. French Valley, SE of Winchester Road (Highway 79) between Thompson Road and Benton Road, ca. 0.5 mile NE of Adobe Spring, near San Diego Aqueduct. 412 Comment
  UCR175071  Trifolium hirtum Teresa Nieto 2005-4-24 11 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  UCR166767  Trifolium microcephalum Scott D. White, Jennifer H. Jones 2005-5-25 11115 Riverside Peninsular Ranges; Santa Ana Mtns., Rainbow area; foothills west of I-15 Freeway and immediately N of San Diego County line 579 Comment
  POM349504  Trifolium monanthum subsp. grantianum M. B. Dunkle 1933-7-22 3750 Riverside Tahquitz Valley. 2317 Comment
  RSA500164  Trifolium variegatum Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3636 Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Hwy 79. 488 Comment
  POM349572  Trifolium willdenovii N. C. Cooper 1947-4-5 2109 Riverside Los Alamos Canyon, [Lake] Elsinore. 762 Comment
  RSA554250  Trixis californica Theo Glenn 1991-5-30 91 -112 Riverside Mule Mountains 155 Comment
  RSA678345  Trixis californica Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10486 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
  SEINET2055986 Image available Trixis californica John Adams 1965-4-17 126 Riverside Highway 111, 2 miles E of Palm Springs near foothills. 243 Comment
  RSA0018638  Trixis californica C. P. Cowan 1978-4-23 1167 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon. Whittaker transect #W-217. 570 Comment
  JOTR36009  Trixis californica var. californica Harding, Mitzi, T. Herskovits 2012-3-16 217 Riverside Joshua Tree National Park. Eagle Mountains, Cholla Wash Comment
  RSA650750  Tropidocarpum gracile Marion P. Harthill 1971-3-19 7 Riverside Palm Desert. Comment
  UCR102849  Tropidocarpum gracile A. C. Sanders 1997-4-3 20161 Riverside Lake Skinner area, near north foot of Black Mountain, slopes south of Crown Valley 726 Comment
  JOTR35492  Typha domingensis La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3180 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Upper Smithwater Canyon, NW of Quail Mtn. (Biodiversity Hunt stop2) 1295 Comment
  UCR75546  Typha latifolia A. C. Sanders 1993-5-17 14065 Riverside San Jacinto Valley, Hemet, south side Florida Ave (Hwy 74) on east side of California Ave. 460 Comment
  RSA535481  Venegasia carpesioides Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-2-2 6659 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Lower half of Tenaja Cyn, especially about Fishermans Camp. Comment
  RSA557881  Veronica anagallis-aquatica Steve D. Boyd, Orlando Mistretta 1992-4-23 7049 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Creek from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 244 Comment
  CDA29182  Veronica arvensis J. Chandler 2009-5-8 s.n. Riverside Banning Estates, West Wilson Street. 0 Comment
  UCR21025  Veronica peregrina A. C. Sanders, Steve Boyd 1980-5-19 878 Riverside San Jacinto Valley, San Jacinto River c. 1.5 miles west of Lakeview on the Ramona Expressway 427 Comment
  RSA788863  Veronica peregrina subsp. xalapensis Gary D. Wallace 2003-7-8 4039 Riverside Hidden Lake. Comment
  UCR241808  Veronica peregrina subsp. xalapensis A. C. Sanders 2013-4-16 40797 Riverside Peninsular Range; SE Gavilan Hills, SCE power line crossing of the San Jacinto River, south of Perris, 2.9 km SW of the intersection of Goetz & Ethanac roads 429 Comment
  POM222294  Veronica peregrina var. xalapensis E. A. Purer 1936-4-6 6881 -A Riverside Vernal pool, south of Elsinore. Comment
  UCR137490  Vicia ludoviciana var. ludoviciana D. L. Banks 1997-3-29 1606 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Headwaters of Pala Creek at the S extremity of the Reservation, north of the Riverside/San Diego Co. line, west of the intersection of Magee Truck Trail and Moreno Rd including a large area of vernally wet grassland at the extreme SW corner of the Reservation 409 Comment
  UCR139989  Vicia villosa A. C. Sanders 2004-8-10 28765 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
  UCR89687  Viguiera parishii Bern Schwenn 1994-4-29 s.n. Riverside Southern Mojave Desert, Joshua Tree National Monument: E side of Hexie Mtns. along Rubie Lee Well Road, near 1st big wash crossing at c. 2500 ft.; also observed W along the road to 2700 ft. In Porcupine Wash (to south) 823 Comment
  UCR141239  Vincetoxicum nigrum A. C. Sanders 2004-9-29 28923 Riverside Riverside, UCR Botanic Garden 354 Comment
  UC828283  Viola macloskeyi P. A. Munz 1922-7-7 6053 Riverside Round Valley; San Jacinto Mountains, Round Valley 2712 Comment
  RSA192098  Viola pedunculata E. W. Lathrop 1959-4-1 4388 Riverside 18 mi SW of Elsinore and Tenaja Guard Station, Cleveland Natl Forest, Tenaja Cyn. Comment
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Apr 28 2011
  SEINET6943012  Viola pedunculata A. G. Vestal 1962-3-29 s.n. Riverside Santa Ana Mountains, east side of canyon, 1.2 miles up Saxman Grade, south of Murrieta. Comment
  UCR108934  Viola purpurea subsp. quercetorum Scott D. White 1997-5-18 5174 Riverside San Jacinto Mtns., 'Black Mountain Scenic Area,' Black Mountain Trail between Hwy 243 and Cinco Poses Trail junction 1829 Comment
  CAS-BOT-BC203192  Vitis girdiana Ivan Johnston 1917-4-4 1036 Riverside Colorado Desert. Palm Canyon 274 Comment
  SDSU21836  Vitis girdiana Lindsay Rubin, Stephanie Castillo 2016-4-16 4 Riverside 10 yards from the south side edge of the Santa Margarita River. Santa Margarita Ecological Reserve. 230 Comment
  SEINET7048209  Vulpia bromoides Steven R. Hill, Andrew C. Sanders 2001-5-4 33721 A Riverside Santa Rosa Plateau, eastern rim, north side of Avenida del Oro, just east of junction with Sandia Creek Drive, 2 miles west of junction of Rancho California Road and Route I-15. Elevation 1570 - 1670 feet. 509 Comment
  JEPS69252  Vulpia microstachys var. pauciflora W. L. Jepson 1914-5-18 5996 Riverside n of Indio (Pinyon Well) Comment
  RSA543903  Vulpia microstachys var. pauciflora Steve Boyd 1991-5-20 6266 Riverside Temescal Canyon, S flank of Alberhill Mtn, W end adjacent to old clay mine area. 426 Comment
  RSA678491  Vulpia octoflora Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10492 -B 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
  CAS-BOT-BC77881  Woodwardia fimbriata Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 4001 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Sta. 609 Comment
  RSA621446  Woodwardia fimbriata Darin L. Banks 1997-11-15 2191 Riverside North face of Dorland Mountain, east of the Dorland Mountain Arts Colony 537 Comment
  SEINET6052565  Woodwardia fimbriata Unknown 1998-7-31 6959 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  RSA0035908  Xanthisma spinulosum var. gooddingii J. M. Andre 2013-3-27 24813 Riverside Riverside Mountains; east side of Riverside Mountains, along Hwy 95, 13.2 mi. south of Vidal Jct. 126 Comment
  CAS-BOT-BC326956  Xylorhiza cognata Carl B. Wolf 1942-1-18 11206 Riverside Hills E. Mecca, Lower end Painted Canyon, Colorado Desert 243 Comment
  POM362044  Xylorhiza cognata Geo. C. Johnstone 1925-4-17 s.n. Riverside Painted Canyon Comment
  POM47492  Xylorhiza cognata Mary F. Spencer 1920-3-12 1500 Riverside Painted Canyon near Mecca 55 Comment
  RSA799248  Xylorhiza cognata Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 730 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
  UC775018  Xylorhiza cognata Carl B. Wolf 1942-1-18 11206 Riverside hills e Mecca (lower end of canyon); Colorado Desert, Painted Canyon 243 Comment
  CAS-BOT-BC326902  Xylorhiza orcuttii Marcus E. Jones 1906-4-10 s.n. Riverside Borrego Spring, west side of Colorado Desert 152 Comment
  HSC25818  Xylorhiza tortifolia Richard Spjut 1972-3-20 2290 Riverside Colorado Desert, N-face of Chuckawalla Mtns., ca. 3-4 mi. S of Desert Center, around Morongo Basin and at the N base of the San Bernardino Mts. 305 Comment
  RSA696779  Xylorhiza tortifolia J. R. Bruff 1929-11-29 433 Riverside Split Rock.- Colo Desert. Comment
  POM13129  Yucca schidigera Philip A. Munz 1922-4-29 5141 Riverside Aguanga Comment
  UCR41224  Yucca whipplei N. M. Fellows, A. C. Sanders 1985-4-9 151 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
  POM13144  Zannichellia palustris Philip A. Munz, I. M. Johnston 1922-5-19 5432 Riverside Hemet Valley, San Jacinto Mts. 1418 Comment
  POM13852  Zannichellia palustris Philip A. Munz 1922-4-28 5023 Riverside 5 miles NW of Corona 213 Comment
  HSC79230  Zeltnera exaltata G. K. Helmkamp 1984-5-2 - 4 Riverside Big Morongo Canyon, 3-3.5 mi. below the caretaker's house at the Big Morongo Preserve, Little San Bernardino Mtns. 550 Comment
  JEPS41935  Ziziphus obtusifolia var. canescens John Thomas Howell 1928-1-30 3311 Riverside Colorado Desert, Cottonwood Springs Comment
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Sep 20 2011
  RSA0040093  Ziziphus obtusifolia var. canescens Duncan S. Bell, Deidre Conocchioli 2014-3-18 6259 Riverside Orocopia Mountains; southern/central section of range; approximately 1.25 air miles northwest of Gucci Spring. 511 Comment
  RSA390213  Ziziphus parryi Robert Kessler 1930-05 3660 Riverside Morongo Pass. Comment
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Aug 19 2016



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