Search Results — 2000 specimen records retrieved (1903 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA519127  Abies concolor F. C. Vasek 1977-11-25 771125 -11 Riverside San Jacinto Mountains, area around Cincos Posas Spring, below Black Mountain Look Out. Comment
  CAS-BOT-BC229324  Abronia villosa Lester Rowntree 1937-5-27 s.n. Riverside Box Canon [Canyon] Comment
  JEPS61234  Abronia villosa E. E. Schellenger May 1920 Riverside canyon e Coachella; Colorado Desert Comment
  UC912625  Abronia villosa H. L. Mason 1928-3-10 4193 Riverside Whitewater River Comment
  RSA304156  Abronia villosa var. aurita Jim R. Shevock 1970-4-25 159 Riverside 3 miles south of Glen Ivy 305 Comment
  RSA500071  Abronia villosa var. aurita Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3240 Riverside Vail Lake area, sandy valley at NE end of lake, N of Wilson Creek 488 Comment
  RSA615321  Abronia villosa var. aurita Scott D. White 1997-5-25 5221 Riverside Bautista Canyon: Along Bautista Canyon Rd., less then 1.3 road miles NW of Hixon Tralhead (USFS NO. 2E43) 701 Comment
  RSA788563  Abronia villosa var. aurita Duncan S. Bell 2012-3-8 3141 Riverside Southern section of the Mecca Hills; north side of the canal, approximately 4.75 air miles southeast of where Box Canyon Road crosses the Coachella Canal. 16 Comment
  SEINET946025  Abronia villosa var. aurita Louis B. Ziegler 1966-1 80 Riverside San Jacinto Mountains, Hemet (Thomas/Garner) Valley. 1402 Comment
  SEINET946026  Abronia villosa var. aurita J. E. Bowers, S. P. McLaughlin 1985-1 3004 Riverside 4.1 miles by road northwest of junction of Highway 371 and 74, on Highway 74. Comment
  UC851650  Abronia villosa var. aurita I. W. Clokey, E. G. Anderson 1935-8-21 6604 Riverside Hemet Lake, By road Hemet Lake 1300 Comment
  UCR266413  Abronia villosa var. aurita D. E. Bramlet, Fred M. Roberts 2005-6-6 3870 Riverside San Jacinto Valley, San Jacinto River at Sanderson Ave., north of Ramona Expressway 447 Comment
  JOTR31805  Abronia villosa var. villosa La Doux, Tasha, Bill Truesdell 2007-11-9 2513 Riverside Joshua Tree National Park. Pinto Basin, where Fried Liver Wash crosses Pinto Basin Road; between Hexie and Pinto Mountains (Stop 1) 532 Comment
  UCR228397  Abronia villosa var. villosa Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-27 171 Riverside Northeastern Colorado (Sonoran) Desert, Mecca Hills Wilderness, off Box Canyon Road (66th St./Hwy 195), campground east of Mecca 198 Comment
  LA212339  Abronia villosa var. villosa Lee Haines; 1955-5-22 s.n. Riverside Dead Indian Canyon 304 Comment
  UC604867  Acacia greggii Roxana S. Ferris and Ruth P. Rossbach 1938-5-16 9563 Riverside Mecca Hills 2 mi up Painted Canyon; Mecca Hills Comment
  CAS-BOT-BC30903  Acamptopappus sphaerocephalus C. B. Wolf 1932-5-25 3681 Riverside San Gorgonia Wash. On road to Snow Creek Canyon 365 Comment
  UCR177854  Acamptopappus sphaerocephalus Marisa Sripracha, K. A. Boyd 2004-3-21 048 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  UCSB38736  Acamptopappus sphaerocephalus Cowan, Clark 1978-4-23 Riverside 12.2 mi. (19.2 km.) S on Hwy. 74 from jct. with Hwy. 11 at Indian Wells 950 Comment
  UCR18592  Acer negundo John C. Roos 1952-6-25 5790 Riverside Thickets at W end of Fairmont Park, Riverside 260 Comment
  JEPS36918  Achillea millefolium Carl V. Meyer 1928-7-30 572 Riverside Saunder's Meadow; San Jacinto Mtns., Saunder's Meadow Comment
  UCR178159  Achillea millefolium John F. Green, M. D. Wilcox 2003-7-15 s.n. Riverside San Jacinto Mtns., on powerline trail, picnic area at Juan Diego Flats, NW of Cahuilla Mountain 1220 Comment
  POM1068  Achnatherum coronatum H. M. Hall 1901-06 2078 Riverside South side of San Jacinto Mountains. 1463 Comment
  RSA263721  Achnatherum coronatum E. W. Lathrop 1966-5-26 6341 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  RSA701428  Achnatherum coronatum Steve Boyd, Aydee Virgen 2004-4-13 10868 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  SEINET267744 Image available Achnatherum robustum H. S. Gentry 16689 Riverside CULTIVATED; Murrieta as original cultivation site. After CA cultivation plts. grown on at ARS-Pullman WA. Comment
  UCR103321  Achyronychia cooperi George K. Helmkamp, E. A. Helmkamp 1998-2-5 2651 Riverside Sonoran (Colorado) Desert, Indio Hills, 3 mi. east of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  UCR246722  Acleisanthes longiflora Duncan S. Bell, John Anderson, Kim Clark, Keir Morse 2012-11-10 4353 Riverside Sonoran (Colorado) Desert, Big Maria Mountains: southeast section of range, approximately 0.6 air miles northwest of Palo Verde Dam 97 Comment
  SEINET5327524  Acmispon argophyllus var. argophyllus I. W. Clokey, E. G. Anderson 1935-8-21 6719 Riverside E of Keen Camp P.O., by road 1350 Comment
  SD185219  Acmispon glaber var. brevialatus A. C. Sanders 2005-5-4 29838 Riverside Gavalin Hills near Riverside, ca. 1.0 km east and southeast of Gavilan Peak. 625 Comment
  UCR265830  Acmispon glaber var. brevialatus Mitch Provance 2012-5-24 512- 12 Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  SD185218  Acmispon maritimus T. B. Salvato, Melissa Clemons 2005-6-23 1320 Riverside Temescal Valley, 3.0 miles northwest of Alberhill, Temescal Canyon Road at Corona. 353 Comment
  RSA0120317  Acmispon maritimus var. brevivexillus Duncan S. Bell, Thomas Stoughton 2016-3-16 8954 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central/southeastern section of range, approximately 2.5 air miles north of Gucci Spring. 511 Comment
  SBBG67418  Acmispon nevadensis var. nevadensis Mrs. J. D. Wright 1929-6-25 Riverside San Jacinto Mtns [probably near Idyllwild] Comment
  UCSB39320  Acmispon rigidus Jorgensen, Jan 1982-1-19 Riverside 1 kilometer up Carizzo Road from Highway 74, north of Palm Desert, San Jacinto Mountains 1100 Comment
  JOTR35199  Acmispon strigosus Andre, Jim, T. La Doux, R. B. Kelley 2011-5-4 21108 Riverside Joshua Tree National Park. Long Canyon, upper watershed on east ridge, 1.1 miles south of radio tower, approx. 6 mi. south of town center of Yucca Valley 1206 Comment
  SD45471  Acmispon strigosus Robert L. Dressler 1949-5-8 831 Riverside San Jacinto Mountains, 2 miles north of Idyllwild 1676 Comment
  UCD128478  Acourtia microcephala R. N. Raynor 1941-7-28 s.n. Riverside Highway 71 between Temecula and Aguanga. Comment
  UCR136259  Acourtia microcephala A. C. Sanders 2004-6-20 28227 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd., hilltop above I-15, SW of main clay pits 378 Comment
  CDA22503  Adenostoma fasciculatum Mike Lahti 2008-7-16 PDR# 1473243 Riverside Hemet, 41801 East Benton Rd. 0 Comment
  UCR234766  Adenostoma fasciculatum A. C. Sanders, John F. Green 2012-6-25 40301 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, benches south of I-15 and east of Horsethief Canyon Rd. 419 Comment
  RSA666640  Adenostoma fasciculatum var. fasciculatum A. C. Sanders, Mark A. Elvin, Julie Vanderwier 2002-4-22 24995 Riverside The Badlands: summit of Mt. Eden, SW of Beaumont. 686 Comment
  CLARK-A1528-3973  Adenostoma sparsifolium John C. Roos 1946-8-27 2787 Riverside Santa Rosa Mountains 1920 Comment
  LA207890  Adenostoma sparsifolium Elizabeth McClintock; 1936-7-29 sn Riverside Pines to Palms Hwy Comment
  SD229252  Adenostoma sparsifolium Dick Schwenkmeyer 2012-3-26 667 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx 1 mile northeast of junction of Highway 74 and Morris Ranch Road, base of steep bouldery slope. 1374 Comment
  UC1334754  Adenostoma sparsifolium R. S. Woglum 1937-10-20 1185 Riverside Santa Rosa Mts. Comment
  UC218030  Agoseris heterophylla var. heterophylla P. A. Munz and J. M. Johnston 1922-5-20 5479 Riverside Kenworthy San Jacinto Mts. 1417 Comment
Read comments
Mar 25 2011
  UC1514475  Agoseris retrorsa E. W. Lathrop 1968-5-22 6923 Riverside trail between El Carriso and Santiago Peak Main Divide Truck; Cleveland Nat'l. Forest, El Carriso, Santiago Peak 1219 Comment
  RSA784536  Agrostemma githago J. D. Olmsted 1959-7-4 736 Riverside Strawberry Creek Drainage Area: Along tributary from south of Lily rock 0.25 mi above junction with Strawberry Creek 0.5 mi above Idyllwild. 1677 Comment
  UC1137144  Agrostis exarata August L. Hormay 1932-8-8 Riverside Tahquity Valley Comment
Read comments
Dec 21 2009
  UCR2124  Agrostis idahoensis F. M. Reed 1908-7-14 2473 Riverside San Jacinto Mtns., Meadow in Round Valley 2744 Comment
  RSA515335  Agrostis pallens Jeri Hirshberg 1989-3-20 s.n. Riverside Santa Rosa Plateau, S of town of Murrieta, S of Mesa de Burro and Nor of Mesa de la Punta., (Near 33 deg 31'N, 117 deg 13'W). 610 Comment
  POM162494  Agrostis scabra Ralph Hoffmann 1929-9-8 s.n. Riverside San Jacinto Mountain. [San Jacinto Mountains] Comment
  UC489189  Agrostis scabra C. V. Meyer 1928-7-27 561 Riverside Round Valley San Jacinto Mts. 2773 Comment
  SEINET269466 Image available Agrostis viridis Scott D. White, Steve Ogg 1994-10-17 2496 Riverside Temecula Valley Riverside. City of Temecula Murrieta Ck Channel at confluence with Sta Gertrudis CK. USGS 7 1/2' Murr Comment
  UCR164286  Agrostis viridis S. J. Myers 2001-7-16 s.n. Riverside Peninsular Range; San Jacinto Mtns, Bautista Canyon 951 Comment
  RSA613952  Ailanthus altissima A. C. Sanders 1994-7-27 15157 Riverside Riverside: Santa Ana River between the San Bernardino County line and the Market Street Bridge. 244 Comment
  UCR279591  Aliciella latifolia A. C. Sanders, Jim Malusa 2017-3-28 43158 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
  RSA0027470  Allionia incarnata Deidre Conocchioli, Billy Sale, Naomi S. Fraga 2013-9-25 57 Riverside East of Alligator Rock: From I-10 at Desert Center, head south on CA-177 to BLM Rd 394 (dirt). Collection site is 1.1 miles SW of interstate exit ramp. 334 Comment
  SD134564  Allium fimbriatum var. munzii Craig Reiser 1989-4-19 Riverside Southwestern flank of 'Alberhill' in western county. (IPB 2/08) Comment
Read comments
Nov 16 2010
  RSA180344  Allium haematochiton E. W. Lathrop 1965-5-30 5772 Riverside 6 miles W of Murrieta. Comment
  RSA543582  Allium munzii Steve Boyd 1991-5-7 6164 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  RSA366486  Allium parishii Frances L. Cramer 1941-5-3 20322 Riverside Joshua Tree National Monument Comment
  SEINET182529  Allium praecox Unknown 1935-4-16 6550 Riverside East of Hemet, 640 Comment
  UCR193986  Allophyllum A. C. Sanders 2008-7-25 35922 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, NE of Bonita Vista Rd. at foot of hills Comment
  UCR142773  Alnus rhombifolia I. M. Johnston 1917-4-4 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Andreas Canyon 274 Comment
  SD68947  Alopecurus saccatus Robert F. Thorne, E. Lathrop, O. Clark, S. Carlquist 1968-4-18 37442 Riverside Santa Rosa Plateau, open dessicated mud at margin of vernal marsh, Mesa de Colorado. 671 Comment
  SD254518  Alternanthera caracasana Mitch Provance 2013-6-18 613 30 Riverside Santa Ana River Valley: Riverside, Arlanza area, Terrace Middle School on Rutland Ave. (Riverside West 7.5'Q) 227 Comment
  UCR110460  Alternanthera philoxeroides J. Zamora, Al Acosta 1999-9-29 s.n. Riverside Riverside, Santa Ana River, under the NW end of the Market St. bridge 244 Comment
  CLARK-A1528-1056  Alternanthera repens Oscar F. Clarke 1964-6-20 525 Riverside Riverside Comment
  SEINET10940478  Amaranthus David B. Dunn 1947-10-9 Dunn 3527 Riverside Joshua Tree National Monument at campground area by Hidden Valley. Comment
  UCR40472  Amaranthus retroflexus Steve Boyd 1985-7-23 1025 Riverside Santa Ana Mtns., Santa Rosa Plateau, De Luz Road, 8.5 mi. west of Rancho California 275 Comment
  SD67913  Amauriopsis dissecta Reid Moran 1968-8-3 15362 Riverside Ridge, 1 mile northwest of Toro Peak. 2250 Comment
  RSA692220  Ambrosia acanthicarpa Scott D. White 2003-10-9 9826 Riverside Pine Cove area. Dutch Flat. 1753 Comment
  UCR278799  Ambrosia confertiflora Arlee Montalvo, Erika Presley, Shani Pynn 2016-10-12 672 Riverside Temescal Valley; restored portion of wash in Dos Lagos - Temescal Wash Conservation Easement through Dos Lagos Golf Course, just N of main bridge below golf club, E of intersection of Temescal Canyon Dr. & Cabot Dr. 260 Comment
  CAS-BOT-BC22582  Ambrosia dumosa Donald W. Kyhos 1960-3-19 60 -6 Riverside Dillon Road 5 miles north of junction with US Highway 99 near Indio Comment
  RSA0112109  Ambrosia dumosa Duncan S. Bell, Amanda Turek 2009-3-30 190 Riverside South end of the Arica Mountains; approximately 1.5 air miles southwest of Priest Well. 365 Comment
  RSA191738  Ambrosia dumosa R. F. Thorne 1963-3-29 32401 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
Read comments
Dec 14 2011
  RSA416971  Ambrosia dumosa Martha Hilend 1928-3-25 s.n. Riverside Painted Canyon. Comment
  RSA608660  Ambrosia dumosa R. S. Woglum 1937-04 298 Riverside Mojave Desert: Palm Springs. Comment
  SBBG25177  Ambrosia dumosa Leota Davidson 1966-4-5 234 Riverside near intersection on Wyley Wells Rd, off Interstate 10 between Desert Center and Blythe, Chuckawalla Mts Comment
Read comments
Apr 5 2011
  SEINET3146797  Ambrosia dumosa L. S. Rose 1936-12-26 36827 Riverside Hayfield, 7 mi. W of Desert Center 762 Comment
  SEINET3197209 Image available Ambrosia dumosa Mike Bell 2008-3-19 047 Riverside Sonoran (Colorado) Desert; Coachella Valley; 2 miles west of Desert Hot Springs, north of Pierson Blvd. and west of North Indian Canyon Dr. (Desert Hot Springs 7.5') 396 Comment
  UC61510  Ambrosia dumosa L. D. Copeland 1904-5-1 6 Riverside Palm Springs Comment
  UCR120969  Ambrosia dumosa Jennie Phui 1998-6-3 106 Riverside Western Colorado Desert/San Jacinto Mtns., near Windy Point and Palm Springs Station, 6 miles NW of Palm Springs city limits, base of Mt. San Jacinto 366 Comment
  UCR154036  Ambrosia dumosa L. McHargue 1966-11-25 s.n. Riverside Colorado Desert, 0.5 mi east of Ramon Road and 1000 Palms Canyon Road junction Comment
  RSA668473  Ambrosia ilicifolia S. Granger 1979-2-18 s.n. Riverside Chuckawalla Mountains. Comment
  UCSB39058  Ambrosia ilicifolia Jorgensen, Jan 1982-3-22 Riverside Corn Spring Oasis, Chuckwalla Mountains 600 Comment
  CAS-BOT-BC273003  Ambrosia salsola Roxana S. Ferris 1918-6-17 1001 Riverside 5 miles east of Gruendikes Well, on Mecca - Blythe Rd. Comment
  UC1551911  Ambrosia salsola David Charlton 1987-12-6 1095 Riverside first canyon w Whitewater (n of the 10 Freeway, n of Palm Springs, foothills of San Bernardino Mtns.); San Bernardino Mtns., Cottonwood canyon 762 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
  SD148121  Ammannia coccinea D. E. Bramlet, A. C. Sanders et al. 1999-10-15 2818 Riverside 198 m S of Gilman Hot Springs Rd., 1.22 km NW of Hwy 79 and 2.1 Km S of Jackrabbit Trail. 433 Comment
Read comments
Mar 21 2011
  UCR91732  Amorpha californica A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18100 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  RSA30674  Amorpha fruticosa L. C. Wheeler 1932-7-9 939 Riverside Santa River canyon 3 miles below Prado. 137 Comment
  CLARK-A1528-324  Amsinckia intermedia Bruce Freeman 1968-4-14 680414-3 Riverside Riverside 365 Comment
  HSC25878  Amsinckia intermedia Richard Spjut 1972-3-26 2327 Riverside At junction of Hwy. 395 and Hwy. 79, ca. 30 mi. N of Escondido Comment
  RSA0086762  Amsinckia intermedia R. G. Swinney 1967-5-26 11727 Riverside Snow Creek. 335 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
  UCR260834  Amsinckia intermedia A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41521 Riverside San Gorgonio Pass, 2.5 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope NE of the water bottling plant, east of Elm St. and south of I-10 483 Comment
  HSC94251  Amsinckia menziesii D. Atwood 1993-3-26 17686 Riverside 6 mi. NE of San Juan Capistrana along Hwy. 74 Comment
Read comments
Jun 3 2012
  RSA192174  Amsinckia menziesii E. W. Lathrop 1966-4-13 6170 Riverside 3 miles NW of Murrieta Comment
  RSA359529  Amsinckia menziesii Steve Boyd 1986-3-9 1392 Riverside Temescal Canyon: Alberhill Mountain, S slope of mountain just east of claymine area. 427 Comment
  SEINET3083516 Image available Amsinckia menziesii J. Hirshberg 1989-5-20 Riverside Santa Rosa Plateau, S of town of Murrieta; SW of Mesa de Burro. Comment
  UCR116672  Amsinckia menziesii A. C. Sanders, Carolyn Washburn 2001-5-10 24241 Riverside Perris-Aguanga Basin, 1 mi. south of Winchester on the east side of Hwy 79 (Winchester Rd.) just south of Patton Ave. 488 Comment
  UC667283  Amsonia tomentosa Annie M. Alexander and Louise Kellogg 1941-5-23 2224 Riverside 1/2 mi. n. Cottonwood Spring (Eagle Mt.); Colorado Desert, Eagle Mt. 914 Comment
  RSA500099A  Ancistrocarphus filagineus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3211 Riverside Vail Lake Area, W end of bench on S flank of Oak Mt. 518 Comment
  UCD56048  Andropogon glomeratus Lewis S. Rose 1945-12-23 45298 Riverside Colorado Desert, Palm Springs. 137 Comment
  CAS-BOT-BC226955  Anemopsis californica A. C. Sanders; John F. Green 2012-5-27 40213 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
  SBBG101790  Anemopsis californica S. Boyd, t. Ross 1991-6-14 6369 Riverside Warm Springs Crk at the NE end of Hogbacks Ridge, from Alamos Rd, S to confluence with Adobe Spring tributary, 2-3 mi NW of Murrieta Hot Springs Comment
  UCR180054  Anemopsis californica Mitch Provance 2005-5-18 9801 Riverside Warm Springs Valley, Nichols road wetland area at Alberhill Creek, south of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore 396 Comment
  UCR235050  Anemopsis californica A. C. Sanders, John F. Green 2012-5-27 40213 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
  UC874528  Angelica tomentosa Mary F. Spencer 1923-7-28 2315 Riverside Banning road, Idyllwild, San Jacinto Mountain San Jacinto Mountain; , Idyllwild, Banning Road Comment
  SEINET10721346  Antennaria David B. Dunn 1946-8-18 Dunn 2760 Riverside On dry gravely soil on ridge overlooking round valley where the trail forks going to Round valley & to Peak; but 50 feet farther up trail. 2743 Comment
  SEINET6755346 Image available Antennaria rosea H. M. Hall 1901-1 2401 Riverside San Jacinto Mountains 2835 Comment
  RSA519212  Anthemis cotula M. Lee Overholtzer 1962-6-20 271 Riverside 4 miles southwest of Corona at Las Barrancas on oak Street. Comment
  JEPS5302  Antirrhinum coulterianum W. L. Jepson 1928-4-19 12433 Riverside 5 mi n Elsinore 609 Comment
  RSA304704  Antirrhinum coulterianum James R. Shevock 1970-4-25 156 Riverside Coldwater Trail 579 Comment
  RSA773107  Antirrhinum coulterianum Duncan S. Bell, Joy D. England 2010-6-14 1299 Riverside San Bernardino National Forest: Garner Valley, approximately 2.3 air miles south east of junction of forest service road 6S04 and forest service road 6S13. 1393 Comment
  POM183981  Antirrhinum filipes Philip A. Munz 1932-3-14 11996 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  RSA425620  Antirrhinum filipes Anstruther Davidson 1927-04 s.n. Riverside Box Canyon Comment
Read comments
Nov 12 2011
  UC184602  Antirrhinum filipes E. E. Schellenger Riverside Colorado Desert Comment
  SDSU13330  Antirrhinum kelloggii Tom Duffy, Tarja Sagar 2000-4-29 Riverside Two hundred meters NE of Stanta Margrita Ecological Reserve North End. 320 Comment
  UCR280933  Antirrhinum nuttallianum Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-6-8 617- 09 Riverside Temescal Valley, Indian Wash, SW of I-15, S side of De Palma Rd., about 0.2 mi WNW of inter. with Glen Eden Rd. 366 Comment
  RSA523366  Antirrhinum nuttallianum subsp. nuttallianum G. H. True 1935-4-17 242 Riverside Mockingbird Canyon. 457 Comment
  CLARK-A1528-1418  Apiastrum angustifolium John C. Roos 1938-3-28 728 Riverside La Sierra Comment
  RSA501015  Apiastrum angustifolium Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3134 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
  RSA561805  Apiastrum angustifolium Steve Boyd 1992-4-14 6839 Riverside San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail 341 Comment
  UC1584116  Apiastrum angustifolium Steve Boyd, Tim Ross, Laurel Arnseth 1990-3-29 3848 Riverside Vail Lake area, on Big Oak Mountain, n side of mouth of Temecula Creek Canyon Temecula Creek Canyon; Vail Lake area, Big Oak Mountain, Temecula Creek Canyon 396 Comment
  UCR220135  Apiastrum angustifolium D. E. Bramlet 1989-4-10 1827 A Riverside Peninsular Range; Perris-Aguanga Basin region, Lake Skinner County Park, southwest slope of Bachelor Mountain, c. 500 ft. NW of the dam 457 Comment
  RSA0126309  Arabis glaucovalvula P. A. Munz 1949-4-11 13019 Riverside Near Conejo Well, north base of Eagle Mts., Mohave Desert. 914 Comment
  CLARK-A1045-133  Arabis perennans George K. Helmkamp 1977-5-20 Riverside Deep Canyon mouth of Deep Canyon; Palm Desert 15'Q Comment
  RSA482603  Arabis perennans E. C. Jaeger 1922-4-22 733 Riverside Keyes Ranch on granitic soils. 1280 Comment
  RSA134779  Arabis pulchra A. Martin s.n. Riverside Riverside Comment
  RSA595732  Arceuthobium californicum Louis C. Wheeler 1945-10-6 6148 Riverside San Jacinto Mountains. North fork San Jacinto River, Fuller Mill Creek. 1829 Comment
  UC6054  Arceuthobium campylopodum H. M. Hall July 1901 2566 Riverside in canyons on w side San Jacinto Mtns 1767 Comment
  RSA629166  Arctostaphylos Jon E. Keeley 1992-7-17 16806 Riverside Rd. to Thomas Mts. (5S15), 7.0 km north of Toolbox Springs. 1720 Comment
  UC1121515  Arctostaphylos R. St. John 1929-5-2 23 Riverside Toro Peak Indio Quadrangle, Santa Rosa Mountains 1676 Comment
  RSA629355  Arctostaphylos glandulosa Jon E. Keeley 1992-6-1 15539 Riverside Road to Elsinore Pk., 1/2 km south of Elsinore Pk. 1000 Comment
  RSA629406  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19500 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  JEPS42546  Arctostaphylos glandulosa subsp. glandulosa A. E. Wieslander 1929-4-1 Riverside e side of river North Fork San Jacinto 1219 Comment
  RSA220965  Arctostaphylos glandulosa subsp. glandulosa E. W. Lathrop 1966-5-29 6398 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak. Cleveland National Forest 1220 Comment
  RSA535477  Arctostaphylos glandulosa subsp. glandulosa Steve Boyd, T. S. Ross, Orlando Mistretta 1992-2-2 6655 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Lower half of Tenaja Cyn, especially about Fishermans Camp. Comment
  SD136856  Arctostaphylos glandulosa subsp. glandulosa Steve Boyd, Tim Ross 1992-5-4 7208 Riverside Southern Santa Aana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 730 Comment
  UC1137196  Arctostaphylos glandulosa subsp. glandulosa Willis E. Pequegnat 1940-4-13 Riverside ne face Santiago Peak; Cleveland National Forest, Corona Quadrangle, Santa Ana Mts. Comment
  SD255138  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
  RSA629427  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-17 16843 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  POM367316  Arctostaphylos glauca Kenneth R. Montgomery 1969-9-7 69 -24 Riverside Wilson Valley Road, 18 miles south of Hemet 1220 Comment
  RSA631767  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15076 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA631782  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19275 Riverside Highway 79, 5 km west of Radec. 580 Comment
  RSA631792  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19566 Riverside Highway 79, 4 km west of Aguanga. 660 Comment
  UC21882  Arctostaphylos glauca H. M. Hall 1901-6 Riverside Tauquitz Valley San Jacinto Mountains 1828 Comment
  RSA633556  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16685 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633619  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16682 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633643  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20136 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633718  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20127 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  LA42426  Arctostaphylos pringlei subsp. drupacea O. A. Plunkett; 1926-5-16 sn Riverside San Jacinto Mountains 1523 Comment
  RSA635656  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-16 16640 Riverside Road to Santa Rosa Mtn. (7S02), 3.7 km south of Hwy 74. 1610 Comment
  SBBG118569  Arctostaphylos pringlei subsp. drupacea L. Gross, F. Navidara, V. Soza 2003-6-23 1120 Riverside Black Mtn Rd (4501), SE of Black Mtn and NW of Fuller Mill Crk; T4S R2E S14 2012 Comment
  RSA631309  Arctostaphylos rainbowensis Jon E. Keeley 1992-7-17 16759 Riverside Road to Thomas Mtn. (5S15), 1.8 km south of Toolbox Spring, west of Garner Valley, San Jacinto Mountains. 1785 Comment
  RSA635998  Arctostaphylos rainbowensis Jon E. Keeley 1992-9-26 21605 Riverside W of Hwy 15, 1.5 km S of Temecula. 430 Comment
  RSA636159  Arctostaphylos rainbowensis Jon E. Keeley 1992-8-2 18813 Riverside East of Hwy 15, off Rainbow Cyn. Rd., 3 km north of San Diego Co. line. 400 Comment
  SD125999  Arctostaphylos rainbowensis Steve Myers 1987-9-28 Riverside Santa Rosa Plateau 730 Comment
  RSA686636  Argyrochosma jonesii Anstruther Davidson 1893-4-10 114 Riverside Palm Springs. Comment
  RSA0046705  Argythamnia claryana Jim Andre 2014-1-27 26651 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
  CAS-BOT-BC137663  Aristida adscensionis Steve Boyd; Tammy Morgan; Aydee Virgen; Sarah J. DeGroot; Valentin Arvizu; Tim Thibault 2004-5-14 11231 Riverside Colorado Desert. Chocolate-Chuckawala Mountains Region. Western base of the Chocolate Mountains, small canyon ca. 1.25 mile 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
  JOTR32426  Aristida adscensionis La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2212 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; large wash at mouth of rocky, narrow canyon 719 Comment
  SEINET3918912  Aristida adscensionis D. Fenfrock 1951-5-10 s.n. Riverside Hwy 60-70 at Black Rock, 10 mi. W. of Blythe.; 0 Comment
  UCR130118  Aristida adscensionis Scott D. White 2001-4-3 8232 Riverside Sonoran (Colorado) Desert, Shavers Valley, near the I-10 Freeway, c. 15 miles east of Indio junction of I-10 and Calif. SR 111, adjacent to powerline access roads at unnamed freeway exit accessing pump station 473 Comment
  SEINET10467837  Aristida adscensionis David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-14 Dunn 3749 Riverside Grass. Found growing in a wash. Indio hills, colorado desert. Near pushawalla. Comment
  SEINET3127921  Aristida californica H. M. Hall 1905-5-1 5963 Riverside Canons along Colorado River, Colorado Desert Comment
  UCR90325  Aristida californica 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
  UCR23319  Aristida parishii John C. Roos 1952-4-16 5551 Riverside Reche Canyon. 457 Comment
  RSA129292  Aristida purpurea var. longiseta H. S. Yates 1937-6-27 6722 Riverside Head of Deep Canyon. 1220 Comment
  UCD56547  Aristida purpurea var. nealleyi Lewis S. Rose 1945-12-29 45343 Riverside Colorado Desert, Andreas Canyon, near Palm Springs. Comment
  HSC101775  Aristida purpurea var. purpurea J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13192 Riverside Along State Route 74 1227 Comment
  RSA0034601  Aristida purpurea var. purpurea J. C. Roos 1965-8-15 s.n. Riverside Gilman Hot Springs, San Jacinto Valley. Comment
  UCD129218  Artemisia californica E. K. Balls; P. C. Everett 1957-11-4 22755 Riverside Snow Creek. 609 Comment
  UCR85178  Artemisia californica A. C. Sanders 1995-2-19 15936 Riverside San Bernardino Mountains/Coachella Valley, Mission Canyon, along Mission Creek Rd. 1.75 mi. above Hwy 62 600 Comment
  UC22958  Asclepias californica H. M. Hall May 17 1901-Jun 1 1901 Riverside Temecula Peak 609 Comment
  JEPS6287  Asclepias eriocarpa Marjorie D. Clary 1932-7-4 1208 Riverside Santa Rosa Mts. Kenworthy area; , Kenworthy area 1371 Comment
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Mar 25 2011
  UC22973  Asclepias eriocarpa Geo. F. Reinhardt June 1897 Riverside San Jacinto Mountains Comment
  RSA543155  Asclepias erosa Steve Boyd, Tim Ross, Mike Hammitt 1991-5-2 6105 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  SBBG5722  Asclepias subulata H. and M. Dearing 1940-11-10 5009 Riverside Thousand Palms Cyn Comment
  UCR23408  Asclepias subulata John C. Roos 1965-9-5 s.n. Riverside Sonoran (Colorado) Desert, Blythe airport 75 Comment
  CLARK-A1528-1613  Aster menziesii John C. Roos 1951-10-19 Riverside San Timoteo Canyon dry, semi-alkaline road side; with Artemisia douglasiana and Distichlis stricta; ; El Casco 7.5'Q 609 Comment
  UCR207320  Aster subulatus O. F. Clarke 2007-10-5 s.n. Riverside Peninsular Range, Riverside; UCR Botanical Garden 412 Comment
  UCR93055  Aster subulatus Steve Boyd 1985-8-7 1121 Riverside Santa Rosa Plateau, Murrieta area, Clinton Keith Rd. near (just east of) Bear Creek golf course Comment
  CAS-BOT-BC478064  Asteraceae A. J. McC 1892-5-1 s.n. Riverside Lake Elsinore Comment
  RSA415778  Astragalus aridus M. B. Dunkle 1933-3-4 3070 Riverside Sandy wash, Painted Canyon, Colorado Desert 30 Comment
  POM9366  Astragalus aridus Mary F. Spencer 1920-2-24 1483 -a Riverside In desert sand. Comment
  CAS-BOT-BC177514  Astragalus bernardinus C. L. Hitchcock 1940-4-3 5942 Riverside Between Cottonwood Spgs. and Pinto Basin Comment
  POM145548  Astragalus bernardinus J. B. Feudge 1926-5-9 1865 Riverside Keyes Ranch, Little San Bernardino Mts 1220 Comment
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Apr 6 2011
  SD260245  Astragalus didymocarpus Mitch Provance 2013-2-16 213 1 Riverside Santa Ana River Valley: Riverside, Arlanza area, W side of Hole Lake and adjacent mesa (Riverside West 7.5'Q) 226 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
  UC862667  Astragalus didymocarpus var. dispermus Alice Eastwood 1913-4-30 3058 Riverside Palm Springs Comment
  RSA90159  Astragalus didymocarpus var. dispermus F. W. Peirson 1918-03 579 Riverside Coachella Valley, field near Indio. Comment
  UC1930031  Astragalus douglasii var. parishii Scott D. White, Justin Wood 2008-6-5 12079 Riverside San JAcinto Mountains: Garner Valley: Hwy 74 @ Thomas Mountain Rd. - SW corner of junction. Comment
  CAS-BOT-BC186733  Astragalus gambelianus Steve Boyd 1986-4-22 1754 Riverside Temescal Canyon: Stable alluvial benches of Indian wash just south of Interstate 15 Comment
  UCR101097  Astragalus gambelianus Jack Easton 1998-4-16 s.n. Riverside Murrieta region, 'The Willows', a development c. 1 mi. SW of Skunk Hollow, Santa Gertrudis Creek drainage. 366 Comment
  UCR18937  Astragalus insularis var. harwoodii John C. Roos, Lucille Roos 1949-4-10 4222 Riverside Sonoran (Colorado) Desert, N base of the Chuckwalla Mountains Comment
  JOTR28752  Astragalus lentiginosus var. variabilis La Doux, Tasha, Bill Truesdell, Erin Babich 2005-3-7 1595 Riverside Joshua Tree National Park. Eagle Mountains, southeast end near Pinto Wells 316 Comment
  CAS-BOT-BC194135  Astragalus pomonensis Munz; Harwood 1920-2-28 3253 Riverside 3 miles west of Corona 304 Comment
  JEPS54801  Astragalus pomonensis W. L. Jepson 1914-5-23 6085 Riverside Conchilla Desert , Conchilla Desert (Colorado Desert) Comment
  RSA25610  Astragalus pomonensis C. B. Wolf 1941-6-29 10926 Riverside 2 4/10 mi. W of Dripping Springs Forest Service Camp on Rd. between Aguanga & Temecula. 457 Comment
  SD8526  Astragalus pomonensis Daniel Cleveland 1882-5-3 Riverside San Jacinto Plains (mak 8/07) Comment
  SEINET5540495  Astragalus pomonensis H. S. Gentry 1954-1 14253 Riverside Dripping Springs, along Route 79. Comment
  UC574974  Astragalus pomonensis C. Epling and J. Ewan June, 1933 Riverside 5 mi above Corona (Temescal Canyon); , above Corona Comment
  UCR220319  Astragalus pomonensis John F. Green 2005-3-7 s.n. Riverside Peninsular Range, Wildomar, west of Grand Ave off Sweet Nectar Rd. 415 Comment
  UCR4138  Astragalus pomonensis Ronald M. Cope 1965-3-12 s.n. Riverside Riverside, c. 100 yards below where Gage Canal goes underground after having crossed Le Conte Drive 259 Comment
  UC63670  Astragalus purshii var. tinctus H. M. Hall May 17 1901-Jun 1 1901 1899 Riverside Santa Rosa 2438 Comment
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Nov 1 2007
  CAS-BOT-BC193165  Astragalus sabulonum Marcus E. Jones 1906-4-30 s.n. Riverside Indio Comment
  CLARK-A1528-2758  Astragalus sabulonum John C. Roos 1949-3-19 4118 Riverside Mecca Comment
  UCR129824  Athyrium filix-femina I. W. Clokey, E. G. Anderson 1935-8-21 6504 Riverside San Jacinto Mtns., Fuller's Creek 1585 Comment
  POM10279  Athysanus pusillus Charlotte M. Wilder 1904-4-18 s.n. Riverside Wilder s Canyon. Comment
  RSA15501  Atriplex canescens L. S. Rose 1935-12-19 35670 Riverside Palm Springs 138 Comment
  RSA643294  Atriplex canescens R. D. Goeden, D. W. Ricker 1978-11-16 s.n. Riverside Coachella Valley: Indio, Monroe St., 33 40'30''N, 116 16'W -6 Comment
  RSA736755  Atriplex canescens Scott D. White, Lynn Stafford 2007-6-27 11747 Riverside Santa Ana River floodplain just below Prado Dam. 134 Comment
  SEINET3930592  Atriplex canescens R. L. Piemeisel 1914-9-25 4045 Riverside 4 mi. w. of Indio Rd. to Indian well.; 0 Comment
  SEINET3930643  Atriplex canescens Grant D. Brown 1950-3-29 520 Riverside Aguanga on highway #79.; 0 549 Comment
  UCD97299  Atriplex canescens L. S. Rose 1935-12-19 s.n. Riverside Colorado Desert, Palm Springs. 138 Comment
  UCD97300  Atriplex canescens Lewis S. Rose 1966-12-11 66096 Riverside Palm Springs. 152 Comment
  CAS-BOT-BC170204  Atriplex canescens subsp. canescens Louis C. Wheeler 1931-11-27 379 Riverside 2 mi. SE Salton Bench Mark 76 Comment
  JOTR30934  Atriplex canescens subsp. canescens La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1354 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; active wash near base of granitic outcrops 1250 Comment
  JOTR34047  Atriplex canescens subsp. canescens La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2947 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; above trail to Lost Horse Mine on basalt outcrop with scree slopes Comment
  SBBG1753  Atriplex canescens var. laciniata H. and M. Dearing 1940-11-10 5018 Riverside Thousand Palms Cyn Comment
  SD60268  Atriplex canescens var. laciniata Carl B. Wolf 1932-10-13 4316 Riverside Caleb 4.5 miles southeast of Mecca. 60 Comment
  JEPS2765  Atriplex coronata var. notatior W. L. Jepson 1901-5-17 1240 Riverside San Jacinto Lake Bed San Jacinto Lake Comment
  SD175810  Atriplex elegans R. E. Riefner Jr. 2006-8-2 06 350 Riverside City of Corona, southeast ca. 0.75 mile from Cajalco Rd. and Temescal Wash; south ca. 1.5 mile of Blue Diamond Quarry. 310 Comment
  UCR280912  Atriplex elegans Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-23 517- 41 Riverside Temescal Valley, Temescal Valley, Indian Wash, SE side of Glen Eden Rd. at De Palma Rd. 372 Comment
  RSA737895  Atriplex glauca R. E. Riefner 2006-2-20 06 /29/2015 Riverside City of Corona, along Magnolia Ave off ramp on SW side of I 15 Freeway. 216 Comment
  UCR89565  Atriplex hymenelytra George K. Helmkamp 1994-3-10 42 24 Riverside Sonoran (Colorado) Desert, Indio Hills, canyon opening into Coachella Valley, 2 miles east of Thousand Palms on Ramon Road, and 1.3 miles north 122 Comment
  CAS-BOT-BC169295  Atriplex lentiformis S. B. Parish 1912-10-24 8266 Riverside Thermal -39 Comment
  POM248406  Atriplex lentiformis Philip Crow 1939-7-10 s.n. Riverside Blythe Comment
  POM278754  Atriplex lentiformis subsp. breweri Grant D. Brown 1950-12-2 580 Riverside Cajalco Resevoir, SE; Cajalco Canyon. 442 Comment
  SD138895  Atriplex parishii Craig Reiser 1996-5-9 Riverside Winchester; north of Haddock, west of Farnsworth Road; also south of Simpson Road; near Adams. Wheat field (mak 10/07) Comment
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Mar 20 2011
  CLARK-A1528-2549  Atriplex polycarpa John C. Roos 1943-12-19 2763 Riverside Mecca Hills Comment
  UCR172138  Atriplex serenana A. C. Sanders 2006-5-11 32254 Riverside Warm Springs Valley, N edge of city of Lake Elsinore, 35 acre parcel south of the intersection of Collier Ave. and Riverside Dr., NE of Alberhill Crk., NW of Enterprise Way 389 Comment
  RSA675801  Atriplex suberecta Scott D. White 2001-7-9 8722 Riverside MENIFEE: Ca. 1 mile southwest of Bell Mtn. and 1/2 mile east of I-215 Freeway. 445 Comment
  UCR89874  Atriplex suberecta Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  UCR180586  Avena barbata Scott D. White, Angelia Carey 2004-4-5 9994 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  CAS-BOT-BC213223  Ayenia compacta Annie M. Alexander; Louise Kellogg 1941-5-26 2236 Riverside Monsen Canyon, north of Shaver Summit 792 Comment
  UCR25196  Baccharis brachyphylla John C. Roos 1950-12-2 5028 Riverside Sonoran (Colorado) Desert, Eagle Mountains, Munsen ['Monson'] Canyon 1067 Comment
  RSA1880  Baccharis emoryi C. B. Wolf 1931-3-13 1881 Riverside Colorado Desert, in old cotton field 2 miles N of Blythe 152 Comment
  UCR101354  Baccharis emoryi A. C. Sanders, N. Ferguson 1997-3-20 20067 Riverside Riverside area, March Air Force Base, west of Hwy 215 at west end of Cactus Ave., vicinity of former weapons storage facility 518 Comment
  CHSC8378  Baccharis salicifolia Edward L. Smith 1957-4-3 257 Riverside Located at entrance to White Water Canyon. San Bernardino Mts. Comment
  SEINET10616764  Baccharis salicifolia David B. Dunn 1946-2-22 Dunn 1945 Riverside Collected on north side of Whitewater Canyon. Colorado Desert. Comment
  SD229073  Baccharis salicifolia subsp. salicifolia Dick Schwenkmeyer 2012-10-16 846 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 505 Comment
  UC893731  Baccharis salicina P. A. Munz, D. Keck 1922-4-14 5011 Riverside e of Whitewater Ranch; Colorado Desert 274 Comment
  UCR4362  Baccharis salicina O. F. Clarke 1970-10-28 s.n. Riverside Riverside, Botanic Gardens of the University of California, Riverside 396 Comment
  CAS-BOT-BC99819  Baccharis sarothroides Edmund C. Jaeger 1938-11-2 s.n. Riverside gully near Gulliday Well, south-west base of Chuckawalla Mts. 274 Comment
  IRVC508  Baccharis sergiloides R. H. Whittaker, W. A. Niering 1963-6-7 SJ 283 Riverside slope SE-5o wash, sand alluvial soil. 1037 Comment
  RSA502185  Baccharis sergiloides Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-11 3711 Riverside Vail Lake area, sandy wash draining into Wilson Creek at E end of lake. Comment
  RSA771791  Baccharis sergiloides Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4807 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  POM294110  Bahiopsis parishii Lyman Benson 1946-4-15 12044 Riverside Canyon on Twenty-nine Palms Road from Whitewater. 457 Comment
  RSA450760  Bahiopsis parishii J. C. Roos 1965-9-26 s.n. Riverside Santa Rosa Mtns. 701 Comment
  RSA517822  Baileya pleniradiata Steve Boyd, Orlando Mistretta 1986-3-13 1439 Riverside West side Palen Mts.: NE of Desert Center. Comment
  POM350772  Bebbia juncea Anstruther Davidson 1906-5-3 s.n. Riverside Thermal Comment
  POM42384  Bebbia juncea Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  RSA189408  Bebbia juncea L. S. Rose 1966-12-14 66111 Riverside Chino Canyon, 3 mi. W of Palm Springs. 671 Comment
  JEPS20769  Bebbia juncea var. aspera Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13263 Riverside divide betw. Little Maria and Big Maria Mts., .5 mi s of Styx siding near Midland Comment
  JOTR31821  Bebbia juncea var. aspera La Doux, Tasha, Bill Truesdell 2007-11-9 2524 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park; small side canyon to east of larger wash running parallel to and east of Lost Palms Canyon (Stop 6) 655 Comment
  SD229077  Bebbia juncea var. aspera Dick Schwenkmeyer 2012-5-22 724 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  SD5513  Bebbia juncea var. aspera Fidella G. Woodcock Jul 1928 Riverside Among rocks in stream, Palm Canyon, Palm Springs Colorado Desert (mak 7/07) Comment
  SD132415  Berberis nevinii Scott White 1990-10-2 Riverside Vail Lake area: Hwy 79, immediately west of Dripping Springs Guard Station (mak 10/07) 487 Comment
  GMDRC5192  Bernardia myricifolia T. La Doux, D. Shade, M. Harding, M. Wheeler, T. Herskovits 2011-10-13 2565 Riverside Little San Bernardino Mountains: northwest end of Eagle Mountains, 3 mi. north of Cottonwood Visitors Ctr. 1055 Comment
  UCSB49859  Bernardia myricifolia Zabriskie, Nancy; Zabriskie, Walter 1972-4-9 Riverside NW from Hwy. 74 at 81/72, Deep Canyon wastershed, Sta. Rosa Mts. (site 8) 1219 Comment
  UCR239927  Bidens laevis O. F. Clarke 2004-6-20 s.n. Riverside Santa Ana River near Riverside 244 Comment
  UCR37089  Bidens pilosa A. C. Sanders, M. Guzy 1983-11-10 4649 Riverside University of California, Riverside. Botanic Gardens, Latin American section 366 Comment
  CAS-BOT-BC412943  Bistorta bistortoides Mary F. Spencer 1919-7-6 1262 Riverside Tacquitz [Tahquitz] Meadow, San Jacinto Mt. 2377 Comment
  UCR48353  Bloomeria crocea var. crocea Steve Boyd 1986-4-22 1762 Riverside Temescal Canyon, W side of Indian Wash, south of I-15 Comment
  RSA0129424  Boechera perennans Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4888 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  SD255218  Boerhavia triquetra var. intermedia Sarah J. De Groot, Amy Rouillard 2015-9-15 7565 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 106 Comment
  UCR280423  Boerhavia triquetra var. intermedia Onkar Singh 2015-11-9 5606 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, c. 5 km east of Eagle Mountain Mine 284 Comment
  SD255219  Boerhavia wrightii Duncan S. Bell 2011-9-30 2937 B Riverside Northeastern section of the Arica Mountains; northwest section of Rice Valley; ca. 2.0 air miles southwest of the ghost town of Rice. 234 Comment
  UCR245987  Boerhavia wrightii Duncan S. Bell 2012-9-13 4190 Riverside Sonoran (Colorado) Desert, Rice Valley; east side of the Arica Mountains; c. 6 air miles southeast of the ghost town of Rice and c. 5.5 air mi east of Priests Well 202 Comment
  UCR274420  Boerhavia wrightii Duncan S. Bell, Evan Meyer 2014-10-22 7653 A Riverside southwestern section of Orocopia Mountains, c. 3.6 air miles north-northeast of Dos Plmas 404 Comment
  SEINET269465  Bolboschoenus maritimus subsp. paludosus Scott D. White, Steve Ogg 1994-10-17 2485 Riverside City of Temecula, Murrieta Ck channel 1000 ft. N of bridge at Rancho Calif. Ave., USGS 7 1/2' Murrieta Quad. 305 Comment
  CAS-BOT-BC145586  Bouteloua aristidoides J. Von Loh 1977-10-30 2589 Riverside Ford Dry Lake. Comment
  UCD56850  Bouteloua barbata Louis B. Ziegler 1967-10-10 s.n. Riverside San Jacinto Mts. Hemet Valley. 1402 Comment
  UCR242303  Bouteloua barbata A. C. Sanders, T. B. Salvato 2012-10-12 40429 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Wileys Well Rd. c. 3 miles north of Wileys Well/ Bradshaw Trail 155 Comment
  CLARK-A1528-2786  Brandegea bigelovii John C. Roos 1967-11-18 Riverside Comment
  RSA747717  Brandegea bigelovii Justin M. Wood 2009-3-26 398 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
  SBBG69429  Brandegea bigelovii L. Rowntree 1930-5-7 Riverside Hidden Springs Comment
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Aug 28 2016
  UCD107474  Brandegea bigelovii Lionel A. Strange 1956-4-1 s.n. Riverside Near Forty Nine Palms. Comment
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Feb 20 2013
  UCR216221  Brandegea bigelovii Jim Andre, T. La Doux 2009-2-25 10805 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains; c. 0.5 mi. south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  UCSB69279  Brassica fruticulosa Sanders, A. 2008-3-2 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 (Riverside East 7.5' Q.: 33d59'06"N, 117d18'06"W, 1000m) 428 Comment
  UCR243178  Brassica juncea A. C. Sanders 2013-4-29 40807 Riverside Riverside, UCR campus, near greenhouses SW of Herbarium 360 Comment
  RSA0036797  Brassica nigra Bruce Albert 1982-4-17 31 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Weedy disturbed road margins and field adjacent to Cajalco Rd. Comment
  RSA0084265  Brassica nigra B. Pitzer, Karen Kirtland 1986-5-6 263 Riverside Weedy field 1.5 mi. SE of Murrieta along Murrieta Creek; bounded on N by Fig St., on S by Elm St., on E by Adams Ave., & on W by Jefferson Ave. 316 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
  RSA783014  Brassica tournefortii J. Andre 2011-2-9 15931 Riverside Mecca Hills; along Box Canyon Road at upper end of gorge, approx. 6 miles SSE of Jct. with I-10, approx. 12 miles west of Chiraco Summit 284 Comment
  UCR102744  Brassica tournefortii B. G. Pitzer 1998-2-1 3443 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, alluvial fan on north side of lakebed, from paved road down to lakebed 427 Comment
  POM351102  Brickellia arguta Robert Gustafson 1982-5-19 2572 Riverside Pines to Palms Hwy (74), vicinity of Big Horn Sheep overlook. Comment
  POM351131  Brickellia californica Jack Rempel, Erwin Miller 1934-4-28 18724 Riverside Lost Horse 1296 Comment
  CAS-BOT-BC106194  Brickellia desertorum S. B. Parish 1896-4-2 s.n. Riverside Andreas Canyon, Palm Springs - Colorado Desert Comment
  CLARK-A1528-5454  Brickellia desertorum John C. Roos, Lucille Roos 1950-9-30 4996 Riverside Riverside 396 Comment
  JOTR34405  Brickellia desertorum La Doux, Tasha, M. Harding, B. Truesdell, D. Shade 2012-9-25 3093 Riverside Joshua Tree National Park. Cottonwood Mountains; Cottonwood Spring area 902 Comment
  UCR25770  Brickellia desertorum John C. Roos 1943-8-17 2709 Riverside Plateau in Reche Canyon Comment
  SEINET4063038  Brodiaea filifolia O. M. Clark 1932-1 Riverside Comment
  UCR48380  Brodiaea jolonensis Steve Boyd 1986-5-7 1836 Riverside Peninsular Range, Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, south of Hwy I-15 366 Comment
  RSA759123  Brodiaea santarosae Tom Chester, W. P. Armstrong 2006-6-15 TC- 926 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
  SD226182  Brodiaea santarosae Tom Chester, Wayne Armstrong, Kay Madore 2006-6-15 925 Riverside Santa Rosa Plateau Ecological Reserve: Waterline Road, 0.4 km east-southeast of the northernmost high point of the Mesa de Burro 563 Comment
  UCR50784  Brodiaea santarosae S. J. Myers 1988-5-17 s.n. Riverside Santa Rosa Springs Ranch, 0.25 mi west of the N end of Mesa de Burro, west of the town of Murrieta Comment
  RSA784827  Bromus J. D. Olmsted 1962-6-23 5246 Riverside SE San Bernardino Mtns: At first switchback out of Banning Water Canyon towards Gunsight Pass and Raywood Flat. 1555 Comment
  RSA660930  Bromus arizonicus A. C. Sanders 1998-3-17 21748 Riverside open fields at NE edge of UCR campus, E of A & I dorms and S of Watkins Dr. 335 Comment
  RSA27411  Bromus berteroanus C. L. Hitchcock 1940-4-2 5924 Riverside Cottonwood Spring wash, Joshua Tree National Monument. Comment
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Sep 11 2011
  LA13715  Bromus carinatus F. M. Reed; 1906-6-14 1006 Riverside San Bernardino Mountains, Arrowhead grade Comment
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Feb 23 2014
  SBBG56586  Bromus carinatus M. N. Ackley 1929-5-19 Riverside Tahquitz Lodge 1524 Comment
  UCR125474  Bromus carinatus A. C. Sanders 2003-4-6 25945 Riverside San Bernardino/Santa Ana River Valley Region, Riverside, weed in yard at 422 Campus View Dr. 341 Comment
  JOTR30974  Bromus carinatus var. carinatus La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1946 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  UC1130968  Bromus carinatus var. carinatus H. S. Yates 1937-6-27 6715 Riverside near Idlewild 1615 Comment
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Jan 19 2010
  UC37671  Bromus carinatus var. carinatus H. M. Hall 1901-7 2407 Riverside San Jacinto Mountains, in Tamarack Valley Tamarack Valley; San Jacinto Mountains, Tamarack Valley 2804 Comment
  UC1979673  Bromus diandrus Darin L. Banks, Steve Boyd 1995-5-3 201 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. Comment
  RSA715940  Bromus hordeaceus Scott D. White, Angelia Carey 2004-4-5 10026 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR156288  Bromus hordeaceus T. B. Salvato, Kent Beaman 2005-5-16 830 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  UCR241785  Bromus tectorum A. C. Sanders, Timothy W. Chumley 2013-4-1 40722 Riverside Peninsular Range; Elsinore Valley, Hwy 74 at Collier, large vacant parcel at SE corner of intersection, NE edge of Lake Elsinore, between Riverside Dr. (Hwy 74) and Enterprise Way 385 Comment
  UC1043018  Bromus trinii John and Lucille Roos 1952-5-24 5711 Riverside hills n of Moreno 518 Comment
  UCR2263  Bromus trinii F. M. Reed 1907-4-7 1274 Riverside Streambed at foot of Box Springs Mountain Comment
  RSA161350  Caesalpinia virgata Percy C. Everett, Nick Lolonis 1963-5-3 24492 Riverside SE. corner of Colima & Obregon Sts., LaQuinta western edge of Colorado Desert. 91 Comment
  RSA48454  Caesalpinia virgata P. A. Munz, D. D. Keck 1925-3-7 9350 Riverside Painted Canyon, Mecca. Comment
  JEPS52588  Calandrinia ambigua W. L. Jepson 1927-4-13 11688 Riverside Painted Canyon Mecca Hills (mouth) 45 Comment
  RSA556510  Calandrinia ciliata Julie Greene 1993-4-10 1169 Riverside East of Horse Ranch fence. San Jacinto Wildlife Area. 436 Comment
  UCR111602  Calandrinia ciliata Mitch Provance 1998-4-8 1776 Riverside City of Riverside, Arroyo Tequesquite, NE side of proposed 'Andulka Park' just west of the corner of Chicago and Central Avs. 305 Comment
  UCR158328  Calandrinia ciliata A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30070 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  UCR263228  Calandrinia ciliata A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41463 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
  UCR91464  Calandrinia ciliata Scott D. White 1995-3-30 2659 Riverside San Jacinto Valley, Moreno Valley; fallow field 0.5 air mi south of 60 Fwy and west of bend in Moreno Beach Drive 579 Comment
  UCR60635  Callitriche heterophylla subsp. bolanderi R. F. Thorne 1973-5-23 43876 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  SEINET3208897  Calocedrus decurrens G. Goodwin 2012-6-14 3452 Riverside San Jacinto Mountains, south of Idyllwild adjacent to highway 243 1680 Comment
  RSA0120439  Calochortus concolor Duncan S. Bell, LeRoy Gross 2016-5-18 9596 Riverside Santa Rosa Mountains; west side of Martinez Mountain; hills in the northern section of Little Pinyon Flat. 1316 Comment
  JOTR34203  Calochortus kennedyi var. kennedyi La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2995 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; burned slopes (2009 fire) above Lost Horse Mine trail, west of mine, with rocky-cobbley soil and rocky outcrops Comment
  RSA78132  Calochortus splendens Verne Grant, Alva Grant 1953-5-15 18458 Riverside Pinyon Flat Public Camp, near Highway 74. 1220 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
  JOTR30980  Calycoseris parryi La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1957 Riverside Joshua Tree National Park. (Stop 2) Hexie Mountains, east end of Blue Cut Gorge, toe slope with bouldery wash Comment
  POM13054  Calycoseris wrightii Philip A. Munz 1922-4-12 4872 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. Colorado Desert. 457 Comment
  RSA527865  Calyptridium parryi Scott D. White 1991-5-24 91 -75 Riverside San Jacinto Mtns region: Big Bear area E of Sugarloaf & W of Hwy 38, S of Hwy 18 & Baldwin Lake. 2073 Comment
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Aug 3 2017
  RSA394935  Calystegia longipes Charles C. Herbst 1934-3-11 s.n. Riverside San Jacinto Mtns. Comment
  RSA726762  Calystegia macrostegia Scott D. White 1991-5-10 91 -131 Riverside Hwy 79, immediately W of U. S. Forest Service campground at Dripping Springs. 549 Comment
  UC1537159  Calystegia macrostegia Gordon H. True Jr. 1935-3-1 42 Riverside Gavilan Hills 548 Comment
  UCR111577  Calystegia macrostegia Mitch Provance 1999-4-3 1757 Riverside City of Riverside, SW side of 'Royal Hill', 0.25 miles east of the corner of Victoria Ave. and Arlington Ave. 351 Comment
  UCR172717  Calystegia macrostegia Jun Hu 2000-5-11 18 Riverside San Jacinto Valley, SE of city of Winchester, Hills N of Diamond Valley 488 Comment
  UCR226051  Calystegia macrostegia A. C. Sanders, T. B. Salvato 2011-4-1 38956 Riverside Peninsular Range, Lake Elsinore, off Baker St. NW of intersection with Bromley Ave., north of second house from intersection, 0.55 km NW of Hwy 74 404 Comment
  RSA18953  Calystegia macrostegia subsp. intermedia Roxana S. Ferris, Ruth P. Rossbach 1938-5-20 9664 Riverside Foot of grade, State Highway #74, along San Jacinto River. Comment
  SDSU12872  Calystegia macrostegia subsp. intermedia J. Jill Steinberg with Janet Knotts and Kevin Contreras 1998-3-25 26 Riverside At switchback in road from Santa Margarita (SDSU) Field Station trailer leading down into Santa Margarita River Gorge, north of river. 256 Comment
  RSA750441  Camissonia A. C. Sanders 1994-5-29 14556 Riverside San Bernardino Mtns Morongo Indian Reservation, low pass between Millard Canyon and Potrero Creek. 793 Comment
  UCR148848  Camissonia bistorta Chet McGaugh 2005-1-6 s.n. Riverside Peninsular Range, east of Lake Skinner, between Calle Jojoba and Cielita, SE of Tucalota Hills and of Benton Rd. 549 Comment
  UCR260546  Camissonia bistorta T. B. Salvato, Matt Malle 2014-5-29 8024 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Cottonwood Hills (= Sunset Ave), c. 1 mi west of Murrieta Rd and 4.3 mi southeast of Canyon Lake 534 Comment
  UCR93824  Camissonia bistorta P. J. MacKay 1996-6-15 003 Riverside Reche Cyn., 2.5-3 mi. south of S. B. county line on Reche Cyn. Rd. 580 Comment
  UCR256335  Camissonia brevipes Duncan S. Bell 2012-3-18 3214 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
  JOTR28873  Camissonia brevipes subsp. brevipes La Doux, Tasha, Bill Truesdell 2004-3-17 1108 Riverside Joshua Tree National Park. Cottonwood Mtns; just north of southern boundary 563 Comment
  RSA135569  Camissonia brevipes subsp. pallidula Peter H. Raven 1958-3-1 11745 Riverside Colorado Desert, US Highway 95, 8.6 miles N of Blythe. Comment
  UCR116780  Camissonia californica A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24167 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
  UCR156103  Camissonia californica T. B. Salvato, Kent Beaman 2005-5-16 849 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
  UCR83193  Camissonia californica A. C. Sanders 1994-5-15 14484 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the E bank of the Santa Ana River 400 Comment
  RSA793460  Camissonia cardiophylla Duncan S. Bell, John Anderson, Keir Morse 2012-11-11 4374 Riverside Mecca Hills: upper branch of Hidden Spring Canyon, approximately 0.6 air mile southeast of Hidden Spring and 0.6 air mile south of The Grotto. 250 Comment
  UCR274811  Camissonia cardiophylla Aaron C. Sedgwick, David Fraker 2012-4-24 012 Riverside Sonoran (Colorado) Desert, Palen Valley south of Power Line Road that paralleles Hwy I-10 159 Comment
  SEINET10492049  Camissonia cardiophylla David B. Dunn, Howard Brown 1947-2-9 Dunn 2846 Riverside Pushawalla canyon, indio hills. In dry wash. Comment
  RSA0014466  Camissonia cardiophylla subsp. cardiophylla Justin M. Wood, J. Miner 2010-4-29 1540 Riverside Coachella Valley: Cathedral City, 0.5 mi SW of intersection of East Palm Canyon Drive and Cathedral Canyon Wash. 130 Comment
  UCR74359  Camissonia claviformis Theo Glenn 1991-5-1 91- 49 Riverside Sonoran (Colorado) Desert, McCoy Mts, NW of Blythe 240 Comment
  POM6847  Camissonia claviformis subsp. aurantiaca P. A. Munz, L. T. Street, G. Williams 1919-3-26 2339 Riverside Mecca Oasis Date Ranch, roadside -46 Comment
  RSA449184  Camissonia claviformis subsp. aurantiaca Bonnie C. Templeton, I. W. Clokey 1930-4-9 1054 Riverside N. of Palm Springs, Colorado Desert 450 Comment
  UCR237507  Camissonia claviformis subsp. aurantiaca Amber Swanson 2011-4-8 382 Riverside Southcentral Mojave Desert, Granite Mountains area east of Hwy 177 near junction 62 423 Comment
  SEINET7040182  Camissonia graciliflora A. G. Vestal 1962-3-29 Riverside 0.4miles east of Murrietta [on Murrietta Hot Springs road]. Murrieta Quad. UTM Zone 11, 482619mE, 3712809mN. Comment
  RSA75432  Camissonia hirtella F. W. Peirson 1924-7-29 5022 Riverside Road between Banning and Idyllwild. 1768 Comment
  UCR118782  Camissonia hirtella A. C. Sanders, T. B. Salvato 2000-5-25 23427 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
  RSA710938  Camissonia pallida A. C. Sanders, K. C. Rose, James C. Dice, D. Woodard 1995-3-29 16252 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert: San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village. 335 Comment
  JOTR37470  Camissonia pallida subsp. pallida Hodges, Stephen, T. Green 2016-5-24 592 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Quail Mountain Complex; ascending up wash and slopes towards Mount Minerva Hoyt peak from the east (Stop 2). Comment
  POM249978  Camissonia pallida subsp. pallida E. C. Jaeger 1938-5-30 s.n. Riverside Bill Kees Lookout [Keys View?], Little San Bernardino Mts. Comment
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Dec 14 2016
  RSA465905  Camissonia pallida subsp. pallida M. B. Dunkle 1933-3-5 3073 Riverside Colorado Desert, Palm Springs. 91 Comment
  HSC87252  Camissonia refracta Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2160 Riverside Palen Pass at the N end of the Palen Mtns. 500 Comment
  RSA144810  Camissonia refracta E. G. Linsley, J. W. MacSwain 1960-3-2 60 -10 Riverside 2 miles west of Desert Center. Comment
  UC56873  Camissoniopsis ignota H. M. Hall Apr. 1903 3806 Riverside vicinity of Riverside 396 Comment
  UCR260848  Camissoniopsis pallida A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41414 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  UCSB12572  Camissoniopsis pallida subsp. pallida Dearing, Hugh; Dearing, Margaret 1936-12-25 Riverside Long Canyon near Los Angeles Aqueduct Comment
  UCR92337  Cannabis sativa Scott D. White, M. D. Wilcox 1995-7-13 3477 Riverside Santa Ana Mtns., Unnamed canyon c. 0.25 mi. SW of Grand Ave., Lake Elsinore, directly downslope from hairpin turn on State Hwy 74. 488 Comment
  RSA593884  Capsella bursa-pastoris Steve Boyd, Dave Bramlet 1996-4-19 8616 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  UCR182570  Carex Andrea Salzman, Carlos Navarro 2006-7-17 182 Riverside San Jacinto Mtns., Dark Canyon 1720 Comment
  RSA596543  Carex barbarae Darin L. Banks, Lauren Raz 1996-8-29 1142 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along Arroyo Seco, N of Wildhorse Peak, before the drainage bends to the S. 548 Comment
  UCR108996  Carex globosa D. L. Banks 1997-3-29 1563 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
  UCR150987  Carex senta L. C. Wheeler 1961-6-20 7893 Riverside Peninsular Ranges; San Jacinto Mtns., W fork of Tahquitz Creek 2378 Comment
  POM14314  Carex subfusca Phillip A. Munz 1922-7-6 6040 Riverside Summit of San Jacinto Peak. 3293 Comment
  UCD105617  Cassia nemophila A. C. Sanders; K. C. Rose 1999-5-28 22794 Riverside Coachella Valley: between La Quinta and Indio, along Jefferson St. between Ave 54 and I-10. 10 Comment
  UCR114171  Castela emoryi B. G. Pitzer, J. Ross 1998-3-8 3594 Riverside Sonoran (Colorado) Desert, Hayfield Lake, on the lakebed, SE of pumping station, near center of lake 396 Comment
  RSA502498  Castilleja affinis Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-6-11 3740 Riverside Vail Lake area, S flank of Oak Mountain, N of the lake. 549 Comment
  POM305710  Castilleja applegatei subsp. martinii Henry J. Ramsey, Henry J. Ramsey 1939-4-22 1029 Riverside Hemet-Anza, Bautista Creek Road. Comment
  UCR215127  Castilleja densiflora Sarah C. Pasquini 2008-4-15 08 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, c. 6 miles west of Murrieta, c. 60 m off Waterline Road 560 Comment
  RSA773126  Castilleja exserta Duncan S. Bell, Joy D. England 2010-6-4 1262 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. 1383 Comment
  CLARK-A1528-845  Castilleja foliolosa Fred B. Essig 1967-4-2 Riverside 761 Comment
  RSA507946  Castilleja foliolosa Steve D. Boyd, C. Boyd, K. Boyd, R. Noyes, L. Arnseth 1988-5-28 2264 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  UCR133713  Castilleja martinii N. C. Cooper 1945-5-24 1666 Riverside San Bernardino Mtns., Big Oaks Canyon, [above] Banning 1220 Comment
  JEPS3840  Castilleja miniata I. W. Clokey 1935-4-17 6865 Riverside Cottonwood Springs Comment
  SEINET10964385  Castilleja miniata David B. Dunn 1946-8-18 Dunn 2748 Riverside Wellman. Sieniga springs on trail peak. San jacinto mtns. Comment
  UC885440  Castilleja minor subsp. spiralis Crawford and Johnston 1917-6-9 1222 Riverside near Corona; Santa Ana River Comment
  RSA0010916  Castilleja minor subsp. spiralis Philip A. Munz, I. M. Johnston 1924-7-29 8826 Riverside 5 miles SE of Poppet Flat, San Jacinto Mtns. 1524 Comment
  UCR77752  Caucalis microcarpa Steve Boyd, D. Bramlet 1991-5-13 6247 Riverside Domenigoni Hills, north side Domenigoni/Diamond Valley, ESE of Winchester. Vicinity of ultramafic outcrop on ridgetop south of S-end of Warren Rd. 610 Comment
  UCR27067  Caulanthus hallii T. P. Krantz, K. Berg 1982-5-26 s.n. Riverside San Jacinto Mtns., along Bonita Vista Road, north of Garner Valley Comment
  RSA552692  Caulanthus heterophyllus Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-2-26 6700 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  UCR121200  Caulanthus heterophyllus D. E. Bramlet 1991-5-14 2150 Riverside Perris-Aguanga basin region, North Domenigoni Hills, c. 0.5 mi SE of end of Warren Rd., on large, prominent peak adjacent to old quarry , east of access road 655 Comment
  UCR48357  Caulanthus heterophyllus Steve Boyd 1986-4-22 1743 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  CAS-BOT-BC39556  Caulanthus major H. M. Hall 1899-6-1 1252 Riverside San Antonio Mountains. Desert side. 1981 Comment
  CAS-BOT-BC39659  Caulanthus simulans Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway, Mount San Jacinto. Comment
  JEPS42118  Ceanothus cordulatus Carl V. Meyer 1928-7-31 615 Riverside San Jacinto Mtns 1828 Comment
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Nov 12 2011
  UC455343  Ceanothus cordulatus I. J. Condit 1910-6-23 Riverside San Jacinto Mt. 2743 Comment
  POM184169  Ceanothus crassifolius P. A. Munz 1932-3-24 12028 Riverside Base of mts. south of Elsinore Lake. 366 Comment
  RSA3118  Ceanothus crassifolius Carl B. Wolf 1932-2-11 2647 Riverside Hidden Canyon 5 mi. W. of Corona at base of Santa Ana Mts. 405 Comment
  RSA398880  Ceanothus crassifolius N. C. Cooper 1947-4-5 2028 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  SD136771  Ceanothus crassifolius Steve Boyd, Kyle Boyd 1993-3-28 7921 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
  SDSU10288  Ceanothus crassifolius A. H. Gallup 1947-10-30 77 Riverside 3.0 miles N of Rainbow. 732 Comment
  UCR101453  Ceanothus crassifolius A. C. Sanders 1997-4-10 20332 Riverside Tucalota Hills, east of Lake Skinner 701 Comment
  SBBG105030  Ceanothus crassifolius var. crassifolius S. Boyd with T. Ross 1993-3-23 Riverside Palomar Range S of Vail Lake, N base of Agua Tibia Mtn, along trail extending S from end of Woodchuck Rd Comment
  CAS-BOT-BC49184  Ceanothus cuneatus H. E. McMinn 1925-7-2 1522 Riverside Idyllwild grade San Jacinto Mts. Comment
  RSA575059  Ceanothus cuneatus Steve Boyd 1981-3-4 810304 -C Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  UC1070667  Ceanothus greggii R. St. John 1929-11-1 19 Riverside Milliard Canyon San Jacinto quad. 914 Comment
  RSA399847  Ceanothus greggii var. vestitus M. B. Dunkle 1934-2-25 3852 Riverside Dry Morongo, Colorado Desert. 244 Comment
  POM254881  Ceanothus integerrimus W. Pequegnat 1940-7-1 s.n. Riverside Santiago Peak. 1735 Comment
  RSA0019598  Ceanothus leucodermis Henry J. Ramsey, Henry J. Ramsey 1937-5-30 339 Riverside Palms to Pines Highway. Comment
  RSA399915  Ceanothus palmeri N. C. Cooper 1949-6-29 4348 Riverside Pine Cove. 1829 Comment
  UCR179206  Ceanothus perplexans Mitch Provance, Tracy Tennant 1998-6-16 MOR- 384 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon just south of Millard Guard Station 1037 Comment
  UCR268311  Ceanothus perplexans Jim Andre 2012-6-15 30497 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
  SEINET13946084 Image available Ceanothus sorediatus Dave Hawks 1987-1 s.n. Riverside S. of Hemet, intersection of Palm Ave. and Saddle Ridge Trail. 472 Comment
  UC1071429  Ceanothus tomentosus A. Lewis 1934-3-4 308 Riverside Tin Mine Canyon Cleveland National Forest, Corona Quad. Comment
  CAS-BOT-BC184975  Cenchrus echinatus Lewis S. Rose 1957-1-3 57006 Riverside La Quinta. 15 Comment
  RSA704016  Centaurea melitensis Daphne K. Christopher, H. Stevens, Z. Princip 2003-4-9 134 Riverside Near Hermano Road, off Hwy. 15, Indian Truck Trail exit. On main gravel road heading away from ranch entrance and private residence driveways. 377 Comment
  UCR92333  Centaurea solstitialis Scott D. White, M. Wilcox 1995-7-13 3473 Riverside Santa Ana Mtns., Unnamed canyon c. 0.25 mi. SW of Grand Ave., Lake Elsinore, directly downslope from hairpin turn on State Hwy 74. 488 Comment
  UCR143363  Centaurium venustum N. C. Cooper 1944-6-4 1357 Riverside Peninsular Ranges; Santa Ana Mountains, San Juan Canyon, Upper San Juan Campground el. '2500 ft. 534 Comment
  CAS-BOT-BC248870  Centromadia pungens subsp. laevis Jeremiah George 2012-7-9 s.n. Riverside San Timoteo Canyon, west side of San Timoteo Canyon Rd., NE corner of Fisherman's Retreat Lake 597 Comment
  UCR261197  Centromadia pungens subsp. laevis A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-5-18 41713 Riverside Esinore, near Hwy 74 a short distance NE of wash crossing (drain from Lk. Elsinore to Temescal Canyon) east of Baker St. 385 Comment
  SD6128  Centrostegia thurberi 1917-5-1 Riverside Mojave Desert near Hesperia Comment
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Nov 20 2011
  JOTR00987  Centrostegia thurberi Cole, James E. 1941-5-17 711 Riverside Joshua Tree National Park. COVINGTON FLAT CANYON 1280 Comment
  UC667250  Centrostegia thurberi var. thurberi Annie M. Alexander and Louise Kellogg 1941-5-15 2176 Riverside Colorado Desert, n base of Eagle Mountains Eagle Mountains; Colorado Desert, Eagle Mountains 914 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
  UC1073270  Cercidium floridum subsp. floridum George B. Rossbach 1955-4-23 314 Riverside near Shaver's Well (along Route 195 e of Mecca); Box Canyon Wash 304 Comment
  RSA220988  Cercocarpus betuloides E. W. Lathrop 1966-5-8 6432 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  UCR35165  Cercocarpus betuloides L. B. Ziegler 1969-7-30 392 Riverside San Jacinto Mountains, Thomas Mtn on N slope 1463 Comment
  RSA772139  Cercocarpus betuloides var. betuloides Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4975 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 823 Comment
  RSA783295  Cercocarpus ledifolius J. D. Olmsted 1962-6-23 5306 Riverside SE San Bernardino Mts: near Calelectric residences at head of Banning Water Canyon 2210 Comment
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Feb 24 2013
  RSA523502  Cercocarpus minutiflorus Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-3-30 3962 Riverside Vail Lake Area, westerly drainage cyn at N base of 'Big' Oak Mtn. 640 Comment
  SBBG99384  Chaenactis carphoclinia W. L. Halvorson 1977-2-5 77 -21 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  HSC87146  Chaenactis carphoclinia var. carphoclinia Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2148 Riverside N end of the Palen Mtns., 2 mi. W of Palen Pass 300 Comment
  RSA510023  Chaenactis carphoclinia var. carphoclinia B. Pitzer 1988-3-10 645 Riverside Chuckwalla Mountains. W side of mountains, on gas line road ca. 1.5 mi north of intersection with Red Cloud Mine Road (& wash); ca. 2 miles (airline) S of Highway I-10. (Red Cloud Road. 10 km cell; PH-2N, 3E) 488 Comment
  RSA794080  Chaenactis fremontii J. Andre 2012-3-19 21364 Riverside Palen Valley; along Palen Pass Road (dirt), 1.2 miles east of Highway 177. 184 Comment
  SEINET10908569  Chaenactis fremontii David B. Dunn 1948-3-14 Dunn 3762 Riverside Found in flat open sands near the Hidden Springs Ranch. 3 miles south of the Indio Hills in the Colorado Desert. Comment
  SD227733  Chaenactis glabriuscula A. C. Sanders 1994-5-29 14546 Riverside San Bernardino Mountains: Morongo Indian Reservation, slopes among hills on the low pass between Millard Cyn. And Potero Cr 750 Comment
  UCR180596  Chaenactis glabriuscula Scott D. White, Angelia Carey 2004-4-5 10020 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UCR213851  Chaenactis glabriuscula Scott D. White, Justin M. Wood 2009-5-21 12864 Riverside San Jacinto Mountains, Garner Valley, near abandoned duck ponds, south of Quinn Flat 1366 Comment
  UCR256801  Chaenactis glabriuscula T. B. Salvato, Thomas M. Sullivan Jr 2014-4-23 7867 Riverside Gavilan Hills, Southern CA Edison access road east of Lake Street, c. 1 mi north of Hwy 15 and Temescal Canyon 549 Comment
  JEPS82355  Chaenactis glabriuscula var. glabriuscula L. R. Heckard 1969-4-24 2163 Riverside about 7 mi s of Sage (along Highway 79) Comment
  RSA282790  Chaenactis glabriuscula var. glabriuscula C. W. Tilforth, B. Busenberg 1980-6-10 1990 Riverside 3.8 miles in from Highway 74 along north leg of Thomas Mountain Road, south of Lake Hemet. Comment
  RSA594507  Chaenactis glabriuscula var. glabriuscula Darin L. Banks, Dylan Hannon 1996-5-3 0993 A Riverside Agua Tibia Mountains; Cleveland National Forest; Dripping Springs Campground, 30 m N of campsite #9. 487 Comment
  UC63015  Chaenactis glabriuscula var. glabriuscula H. M. Hall 1899-5-1 1166 .1 Riverside Van de Venter's San Jacinto Mt. 1371 Comment
  CAS-BOT-BC284354  Chaenactis stevioides Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center, Colorado Desert Comment
  RSA726574  Chaenactis stevioides Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1422 Riverside Along Palen Road near Hwy 177. 170 Comment
  RSA776767  Chaenactis stevioides Amber Swanson 2011-4-8 381 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  RSA796458  Chaenactis stevioides Duncan S. Bell 2009-4-18 218 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
  SD232600  Chaenactis stevioides A. C. Sanders 1992-4-5 12161 Riverside Colorado Desert: Chuckwalla Vallley, near Wiley's Well rest area on I-10, along dirt road to McCoy Spring. 124 Comment
  UCR103591  Chaenactis stevioides George K. Helmkamp, E. A. Helmkamp 1998-2-18 2722 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; 0.3 mi south of Chuckwalla Rd. on Graham Pass Rd. 122 Comment
  RSA152512  Chaenactis stevioides var. stevioides R. C. Bacigalupi 1953-4-20 4039 Riverside Hwy 60-70, opposite Hayfield Dry Lake, 7 miles E of Shaver Summit. 442 Comment
  RSA793615  Chamaesyce albomarginata Duncan S. Bell, Aaron Sedgwick 2012-9-13 4198 Riverside Hayfields Lake; eastern section of dry lake, approximately 3.75 air miles southeast of Hayfields pumping plant. 420 Comment
  JOTR30085  Chamaesyce micromera La Doux, Tasha, Bill Truesdell 2006-10-3 1723 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 Comment
  RSA605743  Chamaesyce nutans A. C. Sanders, G. K. Helmkamp 1996-3-17 17976 Riverside Coachella Valley: North Palm Springs (Garnet), I-10 at Indian Ave., N of Garnet Ave. 250 Comment
  RSA668235  Chamaesyce nutans A. C. Sanders 1994-11-8 15863 Riverside Sonoran (Colorado) Desert Coachella Valley, Palm Desert. Weeds in lawns & flower beds along a commercial strip on Hwy 111 between Hwy 74 and Sage Lane. 46 Comment
  HSC83003  Chamaesyce polycarpa G. K. Helmkamp 1985-6-28 600 Riverside S of Morongo Valley, at the lower end of the canyon where it opens into the W end of the Coachella Valley 503 Comment
  RSA502926  Chamaesyce polycarpa Ed LaRue 1989-4-7 s.n. Riverside Woodcrest area: 1/2 mile NE of the intersection of Van Buren Blvd & Mockingbird Canyon Road. 365 Comment
  RSA747991  Chamaesyce polycarpa Scott D. White, Justin M. Wood 2009-4-28 12613 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  RSA777773  Chamaesyce polycarpa Thomas Stoughton, J. McConnaughy, A. Monks 2010-12-1 724 Riverside Coachella Valley Preserve. Ca 0.25 mile E of road. Site no. 3. 305 Comment
  RSA792552  Chamaesyce polycarpa Duncan S. Bell 2012-9-13 4179 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 Comment
  RSA778396  Chamaesyce polycarpa Amber Swanson 2011-10-9 655 Riverside Western Big Maria Mtns on flat near mine 264 Comment
  RSA433512  Chamaesyce polycarpa var. polycarpa E. A. Purer 1933-3-25 17197 Riverside Palm Springs. Comment
  JEPS26603  Chamaesyce serpyllifolia Peter Kamb 1948-7-4 1169 Riverside San Jacinto Mtns, Hall Canyon 1645 Comment
  RSA778526  Chamaesyce setiloba Amber Swanson, Linda Jean Foster 2011-10-8 630 Riverside Jct of Blythe Rice Rd and Hwy 62. 287 Comment
  RSA0065478  Cheilanthes californica W. A. Peard 1949-2-4 s.n. Riverside Kroonen Canyon, Corona. 335 Comment
  CAS-BOT-BC70030  Cheilanthes covillei Nancy Ryan Zabriskie; Walter Zabriskie 1971-3-7 355 Riverside Andreas Canyon, E. slope San Jacinto Mts. 15 Comment
  RSA336032  Cheilanthes covillei R. F. Thorne, Avi Shmida, Robert Whittaker 1978-4-23 52069 Riverside Palm to Pines Highway: Above Palm Desert., north slope Santa Rosa Mountains. Comment
  UCR178564  Cheilanthes covillei R. G. Swinney 1967-3-5 47 Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 381 Comment
  CAS-BOT-BC70335  Cheilanthes parryi W. R. Dudley 1903-12-25 s.n. Riverside below the mouth of Tahquitz Canyon Comment
  JOTR34140  Cheilanthes parryi La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 3158 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky wash with gradual, loose slopes on either side; draining into west Pinkham Wash Comment
  RSA0015689  Cheilanthes parryi Duncan S. Bell 2013-9-29 6047 Riverside Chuckwalla Mountains; on the south side of Corn Springs Wash approximately 1.8 air miles southwest of Corn Spring. 648 Comment
  RSA577151  Cheilanthes parryi L. C. Wheeler 1933-12-2 2305 Riverside Mouth Tahquitz Canyon near Palm Springs 144 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
  UCR282307  Cheilanthes parryi Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel, Jackie McConnaughy 2011-3-23 814 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
  UCR41455  Cheilanthes parryi A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6133 Riverside Sonoran (Colorado) Desert, N foot of the Chuckwalla Mountains, 2.75 mi (airline) SE of Desert Center 367 Comment
  POM9748  Cheilanthes parryi Philip A. Munz 1921-12-31 4700 Riverside Andreas Canyon, Colorado Desert. Comment
  UCR278885  Chenopodium album Mitch Provance 2011-6-9 17193 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
  SD82781  Chenopodium atrovirens H. A. Wahl 1966-9-17 21803 Riverside San Jacinto Mountains, 1 mile n. of Idyllwild 1676 Comment
  UCR59507  Chenopodium californicum Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3247 Riverside Peninsular Range, Vail Lake area, south of Hwy 79, 0.25 mi east of Pauba Rd. 457 Comment
  UC447179  Chenopodium murale J. Ewan 1931-4-3 4127 Riverside Wiley Well Colorado Desert Comment
  UCR116952  Chenopodium strictum var. glaucophyllum A. C. Sanders, T. B. Salvato 2001-5-3 24118 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  CSUSB733  Chilopsis linearis Lalo Codova 1972-7-25 S. N. Riverside Palm Springs 76 Comment
  SD229110  Chilopsis linearis Dick Schwenkmeyer 2012-5-22 713 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  SEINET7248345 Image available Chilopsis linearis Duncan S. Bell, Loraine Washburn 2014-1 s.n. Riverside Orocopia Mountains; at the entrance to "Petra Canyon in Red Canyon, approximately 1 air mile north of the Bradshaw Trail. 398 Comment
  UCR245997  Chilopsis linearis Duncan S. Bell, Aaron Sedgwick 2012-9-13 4208 Riverside Sonoran (Colorado) Desert, Mecca Hills; along what was left of Box Canyon Road after having been buried by a flash flood from a large summer storm, c. 5 air mi northeast of the junction of Box Canyon Road and the Coachella Canal or c. 1.25 air mi southwest of Shavers Well 240 Comment
  UCSB24505  Chilopsis linearis McMinn, Howard 1935-6-27 Riverside Palm Springs Comment
  SEINET10457924  Chilopsis linearis David B. Dunn, A. Folsom 1948-6-17 Dunn 3820 Riverside At camp in Pushawalla canyon under palms. Below quad 6; near the mouth of the canyon. Comment
  IRVC28188  Chilopsis linearis subsp. arcuata Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11264 Riverside Choclate-Chuckwalla Mtns region; W base of the Choclate Mtns, along Gas Line Road in major wash system W of Iris Wash drainage. Within boundary of US Navy Choclate Mtn Aerial Gunnery Range Colorado Desert 570 Comment
  RSA455305  Chilopsis linearis subsp. arcuata D. A. Young 1969-8-17 P- 505 Riverside Colleted approx. 3 mi. SE of Whitewater, Calif. on Hiway 111, on the S. side of the road. 335 Comment
  SD258903  Chilopsis linearis subsp. arcuata Sarah J. De Groot 2005-5-16 4969 Riverside Along Worsley Road paralleling Highway 62 between Dillon Road and Indian Ave, Desert Hot Sprinds area, vicinity of Morongo Creek 495 Comment
  UC729662  Chilopsis linearis subsp. arcuata Carl B. Wolf 1932-5-25 3674 Riverside 1 mi. below Fish Hatchery; n. base San Jacinto Mts., Snow Creek Canyon 396 Comment
  UCR264246  Chilopsis linearis subsp. arcuata A. C. Sanders, Jim Malusa 2015-9-10 41841 Riverside Sonoran (Colorado) Desert, Salt Creek Canyon near top of alluvial fan, beside Summit Rd. c. 1.15 mi. below the old train trestle 213 Comment
  UCR157759  Chloris truncata Scott D. White 1990-9-5 s.n. Riverside Perris-Aguanga Basin region, Perris Valley, SW corner of Nuevo Rd & Dunlap Road, between Perris & Nuevo. Adjacent to the Perris Valley Storm Drain 433 Comment
  RSA698363  Chorizanthe brevicornu J. R. Bruff s.n. Riverside Palm Springs. Comment
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Aug 27 2011
  RSA392614  Chorizanthe brevicornu var. brevicornu N. C. Cooper 1949-4-8 3304 Riverside Desert Center. 610 Comment
  SBBG81486  Chorizanthe brevicornu var. brevicornu S. A. Junak 1983-3-23 1623 Riverside Jefferson Rd, across from entrance to Cahuilla Lake County Park, S of Indio Comment
  UCR238217  Chorizanthe coriacea Mark A. Elvin 2005-5-24 4320 Riverside Peninsular Range; Perris-Aguanga Basin Region, SW foot of round hill west of Hemet and south of Hwy 74, west of California Ave. 470 Comment
  RSA392657  Chorizanthe corrugata N. C. Cooper 1949-4-8 3235 Riverside Indio. Mecca Pass, east of Indio. 457 Comment
  UC69320  Chorizanthe corrugata L. A. Greata April 1905 Riverside Coachella Comment
  UCR279532  Chorizanthe corrugata A. C. Sanders, Jim Malusa 2017-3-25 43012 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  RSA192062  Chorizanthe fimbriata E. W. Lathrop 1966-5-9 6276 Riverside 3 miles SW of Murrieta between Mesa de la Punta and Sandia Canyon. Comment
  HSC85276  Chorizanthe fimbriata var. fimbriata Steve Boyd 1986-5-1 1785 Riverside SW Perris Basin: Hill W of Skunk Hollow. Comment
  UCR48366  Chorizanthe fimbriata var. fimbriata Steve Boyd 1986-5-1 1817 Riverside S slopes of Bachelor Mtn, east end of Lake Skinner Comment
  RSA487198  Chorizanthe leptotheca James L. Reveal 1988-5-23 6864 Riverside Along California Hwy 75 [74] at milepost 48, 3 miles E of Fairview Avenue in Valle Vista, N of the Hwy and south of the San Jacinto River. 610 Comment
  UCR217643  Chorizanthe leptotheca Jeff B. Galvin 2010-6-7 131 Riverside San Jacinto Mountains, Ridge south of Hamilton Creek along low use dirt road. Near top of southern slopes 1356 Comment
  UCR280973  Chorizanthe leptotheca Mitch Provance, Matt K. Beyers, John Hazlett, Jeremiah George 2017-4-6 417- 77 Riverside Temescal Valley, Indian Wash, NE of I-15 and S of Temescal Canyon Rd. 351 Comment
  RSA679814  Chorizanthe parryi var. parryi LeRoy Gross, Valerie Soza 2003-5-8 834 Riverside North end of Rouse Ridge; South of the San Jacinto River, north of Rouse Hill Road. 762 Comment
  UCR144413  Chorizanthe parryi var. parryi Scott D. White 2001-4-19 8380 Riverside Perris-Aguanga Basin, Perris / Sun City area. Just east of Goetz Road and south of Ethanac Road, c. 1.5 - 2.0 mi west of Interstate 215 473 Comment
  UCR275198  Chorizanthe parryi var. parryi T. B. Salvato, Gregg Miller 2005-6-7 1452 Riverside Peninsular Range, Gavilan Hills, along dirt road E of Lindell (Stovepipe) Road, W of El Toro Road, and ca 4.5 mi NW of Lake Elsinore 671 Comment
  RSA543592  Chorizanthe polygonoides var. longispina Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6143 Riverside Santa Ana Mountains, S side of Elsinore Peak. 1037 Comment
  RSA585883  Chorizanthe polygonoides var. longispina D. L. Banks, S. D. Boyd 1995-5-9 317 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
  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
  RSA457799  Chorizanthe rigida Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2193 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  RSA475295  Chorizanthe rigida Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2105 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  SD237560  Chorizanthe xanti subsp. leucotheca Robert J. Steers, s.n., Stan C. Spencer, Matt Willis 2009-6-1 Riverside San Gorgonio Pass; nea the town of Cabazon, west side of the San Gorgonio River on the Morongo Indian Reservation, c. 0.2 mi WSW of the corner of Dailey Road and Sullivan Road (Cabazon 7.5'Q) 675 Comment
  SD248476  Chorizanthe xanti var. xanti Lee A. Ripma 2008-6-25 130 Riverside Peninsular Ranges: San Jacinto Mountains: Alvin Meadows (Blackburn Canyon 7.5'Q) 1467 Comment
  UCR114936  Chrysothamnus nauseosus subsp. consimilis Dave Ezell 1999-7-8 01 A Riverside Corona (Home Gardens), Promenade St. 0.2 mi. west of McKinley, 70-80 ft. north of 91 freeway. (El Sobrante de San Jacinto Spanish land grant) 210 Comment
  POM351998  Chrysothamnus nauseosus subsp. mohavensis H. de Forest, Jack Rempel 1932-10-23 16157 Riverside Between Palm Springs and Whitewater along snow creek Comment
  UC101093  Chrysothamnus viscidiflorus subsp. viscidiflorus Rev. J. C. Nevin 1900-1 Riverside San Jacinto Mt. Comment
  SDSU18673  Chylismia brevipes subsp. brevipes Michael G. Simpson, Kristen Hasenstab 2008-4-3 2957 Riverside Joshua Tree National Park. Wash, along trail to Cottonwood campground, ca. 0.2 mile south of campground, ca. 0.3 mile north-northwest of Cottonwood Spring. 918 Comment
  CDA37653  Chylismia claviformis M. S. Wasbauer 1960-3-26 Riverside Shaver s Summit. 0 Comment
  SBBG61427  Chylismia claviformis M. N. Ackley -Feb-1926 753 Riverside entrance to Painted Cyn Comment
  UCR244078  Chylismia claviformis subsp. aurantiaca Jim Andre 2012-4-16 20894 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd., 1.0 mi. north of south entrance to J.T.N.P. 584 Comment
  UCR276380  Chylismia claviformis subsp. aurantiaca Jim Andre 2015-4-23 32748 Riverside Sonoran (Colorado) Desert, Rice Valley; along Rice-Midland Rd., 3.1 miles south of Hwy 62, eastern end of Arica Mountains 253 Comment
  CAS-BOT-BC162783  Chylismia claviformis subsp. claviformis Larson; Beley 1975-4-24 74 -671 Riverside ~5 mi. N. Palm Springs, near inter. of Varner Rd. and T/C access. Comment
  UCR80804  Cirsium occidentale var. occidentale Scott D. White 1993-5-29 1437 Riverside San Bernardino Mtns., Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1067 Comment
  UCR202602  Cirsium vulgare Scott D. White, Justin M. Wood 2008-7-9 12410 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  UCR251871  Clarkia dudleyana 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
  UC76441  Clarkia epilobioides Miss M. Alice King April 1893 Riverside Menifee Comment
  UCR167861  Clarkia purpurea T. B. Salvato, John F. Green 2004-5-27 658 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
  RSA0021842  Claytonia parviflora subsp. parviflora A. C. Sanders 2002-5-4 25040 Riverside San Jacinto Mtns.: Idyllwild, Pine Crest Ave., NE of Hwy 243. 1677 Comment
  JOTR33929  Claytonia parviflora subsp. viridis La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2819 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  UCR265590  Claytonia rubra Jordan Zylstra 2014-3-23 14015 Riverside San Jacinto Mountains, south of K-Flat, west of Apple Canyon Road 1463 Comment
  UC9078  Clematis ligusticifolia H. M. Hall 1901-7-20 2528 Riverside water courses in vicinity of Strawberry Valley; San Jacinto Mts. 1615 Comment
  JOTR32029  Clematis pauciflora Herskovits, Tasya & Harding, Mitzi 2011-4-28 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mtns, Queen Mountain: Wonderland of Rocks; Wall Street Mill trailhead; open sandy flats surrounding boulder outcrops 1304 Comment
  SD137655  Clematis pauciflora Darin L. Banks, Steve Boyd 1995-3-16 93 Riverside Cleveland national forest, Agua tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, Arroyo Seco drainage. 512 Comment
  UCR16742  Clematis pauciflora Rodney Hendrick 1965-5-2 s.n. Riverside Peninsular Range, Temecula Creek and Hwy. 71 610 Comment
  RSA49191  Cleome isomeris P. A. Munz 1949-4-13 13042 Riverside Cottonwood Springs, west end of Eagle Mts. Colorado Desert 1143 Comment
  CLARK-A1528-2207  Coldenia palmeri John C. Roos 1947-3-1 3299 Riverside Coachella Valley Comment
  CSUSB737  Coldenia plicata I. S. Singh 1972-4-21 S. N. Riverside Route 2, Thermal roadside, near Willits and Newcomb Citrus Nursery. Comment
  UC1281118  Coleogyne ramosissima H. E. McMinn 1937-3-5 4491 Riverside ne part Cottonwood Mts. Comment
  UCR89597  Coleogyne ramosissima Bern Schwenn 1994-4-29 s.n. Riverside southern Mojave Desert, Joshua Tree National Monument, E side of Lost Horse Valley, along Cal Riding and Hiking Trail, just east of Ryan Campground 1341 Comment
  SFV22081  Collinsia concolor D. S. Bell, V. Arvizu 2010-5-24 1100 Riverside San Jacinto Mountains Garner Valley, about 3 air miles southeast of junction of USFS Road 6S04 and USFS Road 6S13. 1386 Comment
  UCR193125  Collinsia concolor A. C. Sanders, Tim Thomas 2008-6-20 35534 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  RSA0117431  Collinsia concolor D. L. Banks, Steve D. Boyd 1995-5-9 384 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. 701 Comment
  RSA192317  Collinsia heterophylla E. W. Lathrop 1965-5-9 5724 Riverside 6 miles W of Murrieta. Comment
  RSA791581  Colubrina californica D. Silverman, M. Bibbo 2010-3-31 7898 Riverside East flank of southern McCoy Mountains, 2.9 km west of Black Creek Road, 5.8 km northeast of McCoy Peak, and 7 km north of I-10. 195 Comment
  SBBG13966  Condea emoryi E. R. Blakley 1962-11-25 5483 Riverside 5 mi W of Blythe on US Hwy 60 and 70 121 Comment
  RSA512133  Convolvulus arvensis Ed LaRue 1989-4-21 s.n. Riverside Moreno Valley, ca. 1 mi S of Hwy 60 on Nason St. Adjacent to W side of Nason, S of Dracaea Ave. Comment
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Aug 26 2010
  RSA386937  Conyza bonariensis K. Tomlinson, D. Kama, R. F. Thorne 1985-3-27 907 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  UCR166078  Conyza canadensis John F. Green 2005-2-10 s.n. Riverside Perris-Aguanga Basin, Moreno Valley; N of the 60 Fwy, NW block at intersection of Lasselle St and Ironwood Ave 573 Comment
  UCR46724  Conyza coulteri B. G. Pitzer, D. C. Hawks 1986-12-2 0440 Riverside Peninsular Range, Temescal Canyon, c. 1 mi north of Glen Ivy Hot Springs and 0.5 mi west of I-15 off Lawson Drive between Temescal Canyon Road & Warm Springs Dr. 336 Comment
  RSA412306  Cordylanthus rigidus subsp. setiger Albert J. Perkins 1916-9-2 s.n. Riverside Idyllwld. Comment
  JEPS24879  Coreopsis bigelovii Peter M. Ray 1949-3-12 1362 b Riverside n side of Coachella Valley (2 mi w of Whitewater) 457 Comment
  CAS-BOT-BC287879  Coreopsis californica L. R. Abrams 1941-4-24 13932 Riverside Palm Springs railroad station Comment
  RSA596182  Corethrogyne filaginifolia var. filaginifolia D. L. Banks 1996-11-7 1208 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; At the end of the main road in the Reservation., 0.5 km W of the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 426 Comment
  POM13258  Cornus glabrata P. A. Munz 1922-6-24 5806 Riverside Pipe Creek, Kenworthy 1524 Comment
  SBBG59853  Cornus sericea subsp. occidentalis R. Hoffmann 1929-9-7 Riverside San Jacinto Mtns 1524 Comment
  UCR244710  Coryphantha alversonii Jim Andre 2012-3-19 21369 Riverside Sonoran (Colorado) Desert, Palen Valley along Palen Pass Rd [Coxcomb Monument Rd.] (dirt), 7.1 mi. east of Hwy 177 321 Comment
  UCR116507  Crassula aquatica A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 744 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR225436  Crassula connata A. C. Sanders, T. B. Salvato 2011-3-29 38880 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor between Byers St. at west end of McLaughlin Rd. and Wheat St. 447 Comment
  UC831110  Crassula connata var. erectoides C. B. Clokey, I. W. Clokey, and B. C. Templeton 1930-4-15 4731 Riverside Gavilan Peak 600 Comment
  RSA314659  Crossosoma bigelovii R. F. Thorne 1983-4-23 55477 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  RSA356896  Crossosoma bigelovii R. F. Thorne 1966-10-15 41781 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  SBBG67674  Croton californicus M. N. Ackley 1928-4-4 341 Riverside near Edom 64 Comment
  SBBG92711  Croton californicus J. C. Dice, V. Moran 1987-11-28 760 Riverside Temecula Gorge, on N bank of Santa Margarita River at aqueduct crossing 250 Comment
  UCR16191  Croton californicus S. M. Chambers 1970-4-11 2 Riverside Western Colorado Desert, 100 yds NW of Sunrise and Alejo Rd., Palm Springs 140 Comment
  UCR167260  Croton californicus John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, WNW of Rancho Dos Palmas between Coachella Canal siphons 29 and 30 24 Comment
  SEINET12141354  Croton californicus J. F. Bright, Wyman, C. 1933-1 8058 Riverside near Palm Springs Comment
  POM8167  Croton californicus var. mohavensis Mary F. Spencer 1920-3-19 1621 Riverside Palm Springs. 122 Comment
  UCSB12607  Cryptantha angustifolia Dearing, Hugh; Dearing, Margaret 1942-3-3 Riverside Cathedral City Comment
  POM368287  Cryptantha barbigera Robert Gustafson 1980-4-3 1525 Riverside Orocopia Mountains, about 6 miles east of Mecca along Box Canyon Road, south of the road 305 Comment
  UCR275514  Cryptantha barbigera D. E. Bramlet 2010-3-1 4453 Riverside Sonoran (Colorado) Desert, West Berdoo Canyon, Little San Bernardino Mtns., c. 6 air miles north of Indio 366 Comment
  UCR52016  Cryptantha barbigera Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2137 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  SD240916  Cryptantha barbigera var. barbigera Dave Silverman 2010-3-30 7883 Riverside Palo Verde Mesa, E. bajada flank of southern McCoy Mountains, 800 m W of Black Creek Road, 4.5 km N of I-10, and 8 km E of McCoy Pk. 155 Comment
  RSA0078686  Cryptantha barbigera var. fergusoniae Jim M. Andre 2015-3-2 31359 Riverside Along Kolbe Rd (dirt), northwest end of Coachella Valley at foot of Little SnBr Mtns, 0.2 mi. west of intersection between Hwy 62 and Indian Avenue (road to Desert Hot Springs), 2.3 mi. south of San Bernardino county line. 528 Comment
  RSA528102  Cryptantha decipiens S. J. Myers 1991-4-15 91 -6 Riverside City of Banning, W of Fields Rd, N of Interstate 10 & S of the Morongo Indian Reservation. 671 Comment
  RSA527836  Cryptantha intermedia Scott D. White 1991-5-10 91 -122 Riverside Hwy 79, immediately W of U. S. Forest Service campground at Dripping Springs. 549 Comment
  RSA594774  Cryptantha intermedia D. L. Banks, Dylan Hannon 1996-5-3 0967 B Riverside Agua Tibia Mountains; Foothills S of Hwy. 79, E of the Dripping Spring Campground, approximately 150 m SE of the Helipad at the upper camp sites., 33 deg 27' 46''N, 116 deg 57' 56'' W 524 Comment
  UC164378  Cryptantha intermedia H. M. Hall 1901-6-1 2180 Riverside Thomas Valley San Jacinto Mountains 1371 Comment
  UC857150  Cryptantha intermedia L. Haines and L. Erickson 1937-4-9 Riverside near Winchester (Riverside-Hemet road) Comment
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Mar 20 2011
  UCR214583  Cryptantha intermedia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37864 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.8 mi. north (09 deg. ) of intersection of I-15 and Lake St. 482 Comment
  UCR22050  Cryptantha intermedia Steve Boyd 1980-4-27 141 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  RSA701218  Cryptantha maritima Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11274 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage.Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  SD87813  Cryptantha maritima Frank W. Peirson 1935-4-17 11474 Riverside 30 miles north of Blythe on small alluvial flat along the Colorado River Comment
  UCR148324  Cryptantha maritima John F. Green 2005-1-12 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  POM6647  Cryptantha micrantha P. A. Munz 1919-3-27 2344 Riverside Salton Sea Comment
  SEINET1906291  Cryptantha micrantha Sarah J. De Groot, J. Mark Porter 2006-1 5202 Riverside North foot of San Jacinto Mts, between Snow Creek Road and Highway 111. 351 Comment
  RSA145650  Cryptantha micrantha var. lepida P. H. Raven 1959-5-18 s.n. Riverside Lake Fulmor, San Jacinto Mountains Comment
  RSA741225  Cryptantha micrantha var. lepida Scott D. White, Justin M. Wood 2008-5-15 11980 Riverside Johnson Meadow. 1415 Comment
  RSA557870  Cryptantha micromeres Steve Boyd, Orlando Mistretta 1992-4-23 7060 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
  SD255674  Cryptantha microstachys Jim Rocks 2013-4-24 406 Riverside Proposed Spring Valley Ranch development project. On privately owned land. 550 Comment
  RSA786476  Cryptantha muricata C. P. Cowan 1978-4-24 1249 Riverside 19.6 mi S on Hwy 74 from its jct with Hwy 111 at Indian Wells. Sta. Rosa Road, 1 mi S of 74. Whittaker transect no.W-225(voucher). Comment
  UC280510  Cryptantha muricata C. R. Orcutt Apr 1889 Riverside Colorado Desert Comment
  UCR174132  Cryptantha muricata A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32635 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
  UCR241240  Cryptantha muricata Tracy Tennant, Jeffrey Ross 1998-6-23 MOR- 504 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  UCR262451  Cryptantha muricata John F. Green 2015-6-23 615- 05 Riverside Peninsular Range; San Jacinto Mtns. Region, Anza Valley, east edge of town of Anza, vacant lot at NE side of intersection of Hwy 371 and west end of Burnt Valley Rd. 1226 Comment
  RSA0079249  Cryptantha muricata var. jonesii D. L. Banks, S. D. Boyd 1995-5-3 261 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. 512 Comment
  UC1168705  Cryptantha pterocarya Peter H. Raven 1958-3-16 11854 Riverside below Cottonwood Springs; Joshua Tree National Monument Comment
  UCR4405  Cryptantha pterocarya var. pterocarya Frank C. Vasek 1960-3-24 600324- 03 Riverside Western Colorado Desert, Deep Canyon, Palm Desert [Palm Springs Museum's Deep Canyon Sanctuary] Comment
  RSA0079114  Cryptantha pterocarya var. pterocarya Steve Boyd, C. Boyd, K. A. Boyd 1992-4-19 6922 Riverside N end of the Granite Mtns on sandy bajada along powerline road near jtn of Hwy 177 and Hwy 62. Area of transition between Mojave and Colorado Deserts. Comment
  POM11638  Cryptantha racemosa T. S. Brandegee 1906-04 s.n. Riverside Colorado Desert, Riverside County Comment
  JEPS67900  Cryptantha utahensis Marjorie D. Clary 1933-3-25 2073 Riverside Ebbens Creek Wash Colorado Desert, Santa Rosa Mountains 304 Comment
  UCR116601  Cryptantha utahensis A. C. Sanders 2001-4-8 23985 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic Ave., north of flood control ditch 348 Comment
  UCR39238  Cryptantha utahensis M. L. Rosczyk, G. K. Helmkamp 1985-4-4 213 Riverside Little San Bernardino Mtns/ Sonoran (Colorado) Desert, The Nature Conservancy's Big Morongo Preserve, south of Morongo Valley. Main canyon, one-half mi. below the BLM gate 518 Comment
  CDA42234  Cucurbita foetidissima T. C. Fuller 1958-9-23 3926 Riverside 3 miles east of Anza. 0 Comment
  UC1714451  Cucurbita foetidissima H. M. Hall 1900-5-29 Riverside Riverside Comment
  RSA289815  Cucurbita palmata B. A. Prigge 1980-9-16 4044 Riverside Indio. Coachella Valley Stormwater Channel. 0 Comment
  POM198070  Cuscuta californica Joseph A. Ewan 1932-3-11 7095 Riverside Deep Canyon wash Comment
  CAS-BOT-BC224602  Cuscuta californica var. papillosa Lewis S. Rose 1946-12-23 46300 Riverside Cathedral Canyon Wash 182 Comment
  RSA737220  Cycloloma atriplicifolium Justin M. Wood 2008-9-30 178 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR260530  Cylindropuntia californica var. parkeri T. B. Salvato 2014-5-29 8039 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully, c. 1.13 mi west of Murrieta Rd and 4.10 mi southeast of Canyon Lake 537 Comment
  SEINET3071826  Cylindropuntia ramosissima Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17508 Riverside Pilot Mountain quadrangle, zone 11 0655330mE 3721650mN NAD83, Corn Springs, north side of Chuckwalla Mountains, 12km SSE of Desert Center, 85km east of Indio 498 Comment
  SEINET10905506  Cynodon dactylon Billy Joe Cox 1975-10-10 Cox 4215 Riverside Palo verde, 1-3 km w, creosote desert scrub, sandy and gravelly entisols. 70 Comment
  CAS-BOT-BC114262  Cyperus esculentus Grant 1902-9-1 s.n. Riverside Unspecified Comment
  SEINET10811894  Dalea J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12865 Riverside South of Joshua Tree National Park and north of the Salton Sea, on unlabelled east-west road (called 66th Avenue in Mecca) between I-10 and Mecca. Comment
  CSUSB1206  Dalea californica Steven J. Southwell 1971-5-7 Riverside Colorado Desert West Colorado Desert. Windy Gap Sand dune, west of Palm Springs on highway 111, 200 feet west of road. 304 Comment
  RSA498343  Dalea mollis Robert M. Perkins, H. de Forest s.n Riverside N. of Blythe, Along Col. river 85 Comment
  RSA779806  Dalea mollis Duncan S. Bell 2009-3-9 105 Riverside Arica Mountains: southeast section of the mountain range approximately 1.2 air miles from Priest Well or approximately 6.5 air miles southwest of the ghost town of Rice. 307 Comment
  RSA784943  Dalea mollis Duncan S. Bell 2012-2-12 3121 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  CLARK-A1656-854  Dalea parryi Jon Mark Stewart 1983-11-14 83-60 Riverside Santa Rosa Mountains 822 Comment
  CAS-BOT-BC158109  Dalea schottii W. R. O. 0419 Riverside N.E. side of Indio Hills, between Dillon Rd & Indio Hills (Indio Mounted Patrol) Comment
  RSA592686  Dasyochloa pulchella Scott D. White, Duayne Haselfeld 1996-7-2 4270 Riverside Pinyon Flat area, N of Hwy. 74, ca. 10 road mi. E of junction w/ Hwy. 371. W facing slope of Sugarloaf Mtn and adjacent valley. 1250 Comment
  RSA795515  Dasyochloa pulchella C. P. Cowan 1978-4-23 1186 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon. 570 Comment
  UCR35197  Datisca glomerata L. B. Ziegler 1969-7-30 389 Riverside San Jacinto Mountains, Hemet Valley. In dry creek bed in side canyon on W side of valley opposite Kenworthy R.S. 1341 Comment
  SBBG87690  Datura stramonium S. Boyd 1987-10-10 2093 Riverside N Main St just S of Santa Ana River; City of Riverside Comment
  UCR3497  Datura wrightii Frances Miller 1964-5-5 M 6431 Riverside just above RR tracks at base of Box Springs Mtns, end of Big Springs Rd. 396 Comment
  UC1608212  Daucus pusillus Tim Ross and Steve Boyd 1992-6-10 7635 Riverside about Potrero Escondido- an isolated area topping ridge system due w. of junction of Tenaja Rd. (7S01) and Los Alamos Rd. (7S04) San Mateo Canyon (at confluence of Los Alam...); Southern Santa Ana Mts., San Mateo Canyon Wilderness Area, S 670 Comment
  SD233742  Deinandra kelloggii A. C. Sanders, Kelly Volansky 2003-10-16 27348 Riverside Moreno Valley: lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. Alluvial slopes and low hills cut by sandy washes. 534 Comment
  CAS-BOT-BC131032  Deinandra paniculata H. M. Hall 1930-11-9 13025 Riverside Aguanga Hills, 5 miles from Aguanga Comment
  UCR266425  Deinandra paniculata D. E. Bramlet, Bill Wagner 2009-10-19 4402 Riverside Peninsular Range, Riverside, Sycamore Canyon Reserve, c. 0.5 km north of Allesandro Blvd., west of Sycamore Canyon Blvd., along dirt pole line road 495 Comment
  RSA16371  Delphinium parryi Percy C. Everett 1935-6-17 7160 Riverside Coldwater Canyon Trail to Santiago Peak., 2 miles above Glen Ivy Resort. 610 Comment
  RSA763765  Delphinium parryi Doris Bowers 1972-4-15 1843 Riverside Pulgas Creek Canyon, Rancho California. 396 Comment
  UCR213465  Delphinium parryi A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38360 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  OBI42535  Delphinium parryi subsp. parryi Robert F. Thorne, Walter Wisura, Earl Lathroop, and Sara Meury 1985-5-18 60668 Riverside Santa Rosa Plateau; edge of Cleveland Natl Forest 610 Comment
  RSA708180  Delphinium parryi subsp. parryi Scott D. White, Angelia Carey 2004-5-7 10324 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 549 Comment
  RSA543881  Deschampsia danthonioides Steve Boyd, D. E. Bramlet 1991-5-13 6239 Riverside Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. N of Santa Fe RR tracks, W of San Diego aqueduct. Comment
  RSA234055  Deschampsia danthonioides var. gracilis R. F. Thorne, E. W. Lathrop 1969-5-12 37950 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California 625 Comment
  RSA86763  Deschampsia danthonioides var. gracilis F. W. Peirson 1922-5-19 3022 Riverside 10 miles northeast of Murrieta. Comment
  UCD63292  Deschampsia elongata Peter Kamb 1950-7-9 1907 Riverside Hall Canyon, San Jacinto Mtns. 1645 Comment
  UCR202577  Descurainia obtusa subsp. adenophora Scott D. White, Justin M. Wood 2008-7-8 12386 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  RSA0120624  Descurainia pinnata subsp. intermedia Duncan S. Bell, Thomas Stoughton 2016-3-15 8935 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; in the central part of the range, approximately 0.75 air mile east northeast from the summit of the range. 861 Comment
  SD137696  Dicentra chrysantha Darin L. Banks 1995-4-11 183 Riverside East of the Dripping Springs Alcove Area, along the Dripping Springs Trail. 694 Comment
  UCR174113  Dicentra chrysantha A. C. Sanders, T. B. Salvato 2006-6-2 33084 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  RSA716261  Dichelostemma capitatum Scott D. White, Angelia Carey 2004-4-5 10000 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  RSA771749  Dichelostemma capitatum Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4611 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA586152  Dichelostemma capitatum subsp. capitatum Darin L. Banks, Steve Boyd 1995-3-30 114 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, E of the Woodchuck Trail. 713 Comment
  POM214403  Dichelostemma capitatum subsp. pauciflorum Donald A. Johansen, Joseph A. Ewan 1932-4-11 7065 Riverside Mouth of Tahquitz Canyon Comment
  RSA501059  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3167 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  JEPS40720  Dieteria asteroides var. asteroides E. E. Schellenger may 1920 Riverside canyon e Coachella; Colorado Desert Comment
  UCR2326  Digitaria sanguinalis F. M. Reed 1933-10-9 8110 Riverside South Coast; San Bernardino Valley, Riverside, Terraces Ranch [547 Chicago Ave., near Arroyo Tequesquite] 305 Comment
  UCR92276  Digitaria sanguinalis Scott D. White, M. A. Patten 1995-8-16 3553 Riverside San Jacinto Valley, Just west of Hemet, valley floor and foothills at SE margain of Lakeview Mts. north of Florida Ave. (SR 74) and west of California Avenue 500 Comment
  CAS-BOT-BC152907  Diplacus brevipes Mrs. J. D. Abrams 1901-5-20 s.n. Riverside Elsinore Comment
  UCD64341  Distichlis spicata var. nana A. A. Beetle 1944-4-26 1992 Riverside Near Murietta. Comment
  POM184044  Ditaxis claryana P. A. Munz 1932-3-14 12002 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  JEPS22570  Ditaxis lanceolata Rimo Bacigalupi with Paul Hutchison 1958-2-19 6201 Riverside 9.4 mi. n. Blythe; w. base Big Maria Mts. 167 Comment
  RSA421610  Ditaxis lanceolata Anonymous 1893-4-10 s.n. Riverside Palm Springs. Comment
  SD167138  Ditaxis neomexicana G. K. Helmkamp 1998-4-4 - 3180 Riverside 2.3 miles north of Highway I-10 on Eagle Mountain Road. 274 Comment
  RSA782274  Ditaxis serrata R. W. Spjut 2007-10-12 16153 Riverside Sonoran Desert. BLM: Corn Spring Road, frontage road to I-10, 23 miles W of Blythe 150 Comment
  RSA79155  Dithyrea californica P. A. Munz 1952-5-2 16251 Riverside 2 miles west of Desert Hot Springs 183 Comment
  UCR222311  Downingia bella R. F. Thorne, E. W. Lathrop, Steve Beckstrom-Sternberg, B. Martin 1982-1 55200 Riverside Peninsular Ranges; Santa Ana Mountains, SW of Murrieta, Santa Rosa Plateau, Mesa de la Punta near south edge of plateau, approached by De Luz Rd. 579 Comment
  IRVC143  Dryopteris arguta R. H. Whittaker, W. A. Niering 1963-5-27 SJ 6 Riverside Hemet Hwy, between Hemet and Mtn Center. Peninsular Ranges, San Jacinto Mountains 1250 Comment
  RSA523531  Dryopteris arguta Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3990 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR240657  Dryopteris arguta Tracy Tennant, Mitch Provance 1998-6-16 MOR- 428 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  RSA741584  Dudleya abramsii subsp. abramsii Scott D. White, Justin M. Wood 2008-6-17 12192 Riverside San Jacinto Mountains: Morris Ranch Rd. - open area W of Goff Flat. 1616 Comment
  JOTR31151  Dudleya saxosa subsp. aloides La Doux, Tasha 2009-6-3 1860 Riverside Joshua Tree National Park. (Stop 2): Little San Bernardino Mountains, Covington Flats Area, Covington Spring 1396 Comment
  SEINET8060783 Image available Echinocactus polycephalus var. polycephalus Michael Chamberl 1990-1-11 14 Riverside Barstow SE quad. Barstow Rd. entry to BLM limited use land. N of saloon. West side of Rd. on low hill. Stoddard Valley. between power lines to the south, and double power lines to the north 900 Comment
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Jun 5 2016
  SEINET8060926 Image available Echinocactus polycephalus var. polycephalus Michael Chamberl 1990-1-11 13 Riverside Barstow SE quad. Barstow Rd. entry to BLM limited use land. N of saloon. West side of Rd. on low hill. Stoddard Valley. between power lines to the south, and double power lines to the north. Directly under power lines, near base of tower. West of the hill 900 Comment
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Jun 5 2016
  SEINET10952581  Echinocereus engelmannii Tracy Scott, Andrew Townesmith; Karen M. Meyer 2007-3-18 Scott 138 Riverside San Bernardino National Forest. San Jacinto Ranger District, about 0.2 mi. along Pinon Flats Transfer Station Rd. off Rte. 74. 1228 Comment
  CAS-BOT-BC227218  Echinochloa colona A. C. Sanders 2011-9-15 39893 Riverside Sonoran (Colorado) Desert: Coachella Valley, agricultural area in Thermal; Colorama greenhouses/nursery at 83300 Ave. 58, 0.35 mi. east of Jackson St. near Calhoun St. -24 Comment
  UCR82218  Echinochloa crus-galli J. M. Stewart 1994-5-2 846 Riverside Sonoran (Colorado) Desert, Thermal. Fillmore St and Avenue 64 Comment
  RSA575910  Eclipta prostrata Steve Boyd, Darin L. Banks 1994-9-29 8370 Riverside Floodplain E of dike along San Jacinto River, W of Sedco Hills community. 381 Comment
  SEINET3386355 Image available Ehrharta longiflora Thomas Jay Chester 2005-4-20 581 Riverside Peninsular Ranges; Santa Ana Mountains region; Santa Margarita Ecological Reserve: Temecula Gorge, south side 239 Comment
  RSA575831  Eleocharis acicularis var. acicularis Steve Boyd 1981-5-15 s.n. Riverside Gavilan Hills region, western edge of the Gavilan Plateau at the head of Dawson Canyon. 585 Comment
  UC1755  Eleocharis bella H. M. Hall Jun 1901 2232 Riverside Onstatts Valley San Jacino Mountains 1524 Comment
  RSA180419  Eleocharis montevidensis var. montevidensis E. W. Lathrop 1964-5-24 5244 Riverside 8 miles west of Murrieta Comment
  RSA365450  Eleocharis montevidensis var. montevidensis Christopher Davidson 1977-5-25 5647 Riverside Mesa de Burro, Santa Rosa Plateau area 701 Comment
  SBBG54319  Eleocharis parishii C. Davidson 1977-5-25 5647 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
  CLARK-A1528-4605  Elymus glaucus John C. Roos 1937-5-10 2336 Riverside Lake Elsinore Comment
  RSA343113  Elymus glaucus R. F. Thorne, Walter Wisura, E. W. Lathrop, Sara Meury 1985-5-18 60637 Riverside Santa Rosa Plateau: Cole Canyon, near entrance to Nature Conservancy Reserve. 530 Comment
  RSA595261  Elymus glaucus subsp. jepsonii D. L. Banks, Elizabeth Hedge Banks 1996-5-2 943 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage. 524 Comment
  CAS-BOT-BC204299  Elymus trachycaulus subsp. trachycaulus H. M. Hall 1901-7-1 2569 Riverside San Jacinto Mountains. Dark Canon [Canyon] Comment
  UCR2372  Elymus triticoides F. M. Reed 1907-6-23 1445 Riverside Santa Ana River, City of Riverside, old field in the Santa Ana River bottom above the bridge on the West Riverside Road 244 Comment
  RSA182346  Emmenanthe penduliflora J. D. Olmsted 1962-5-2 3444 Riverside By saddle just N of highest part of Box Spring Mountains. 777 Comment
  RSA772583  Emmenanthe penduliflora Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5045 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
  UCR135993  Emmenanthe penduliflora Virginia Moran 2003-3-26 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and west of Wilson Creek 915 Comment
  UCR35121  Emmenanthe penduliflora L. B. Ziegler 1969-7-3 383 Riverside San Jacinto Mtns, Hemet Valley. E side of valley. Above Kenworthy Ranger Station. 1585 Comment
  CHSC8379  Encelia farinosa Edward L. Smith 1957-4-3 259 Riverside San Bernardino Mts. Located 1 mi. n on hwy. 99 to 29 Palms. 91 Comment
  UCD20082  Encelia farinosa Donald W. Kyhos 1965-5-11 65 -216 Riverside 14.9 miles north of junction of Hwy 95 and Hwy 60-70, on Hwy 95. Comment
  UCR75064  Encelia farinosa A. C. Sanders, E. J. Lawlor 1992-4-4 12129 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  POM4944  Encelia farinosa var. farinosa Robinson, Crocker s.n. Riverside Elsinore Region; along edge of lake Comment
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Mar 15 2014
  JOTR35994  Encelia frutescens Harding, Mitzi, Mark Wheeler 2012-9-4 205 Riverside Joshua Tree National Park. Pinto Wells; large, active wash west of road leading to weather station (stop 4) 262 Comment
  SD251191  Encelia frutescens Aaron C. Sedgwick, Cody Leslie 2012-9-20 122 Riverside Mojave Desert; Southcentral Mojave Desert region: South of 29 Palms Hwy 62 in a wash ~3 mi. east of Chadwick Rd. West of Ironage road ~1500 ft. 242 Comment
  RSA644564  Ephedra aspera L. C. Wheeler 1955-6-16 7158 Riverside Palm to Pines Highway: 0.45 mile downhill from 3000 foot marker. 915 Comment
  JOTR32656  Ephedra californica La Doux, Tasha, M. Bell, A. Holt, A. Miller, K. Matthews 2007-5-23 1338 Riverside Joshua Tree National Park. where Queen Valley meets Pleasant Valley, just north of Malapai Hill; open bajada with pediments, near Geology Tour Road 1219 Comment
  PASA1867  Ephedra californica R. E. Merrill Riverside Palm Canyon Comment
  RSA689504  Ephedra californica Scott D. White, Michael Honer 2003-5-13 9235 Riverside Whitewater Canyon, ca. 2 miles north of Bonnie Bell. 579 Comment
  UCR38700  Ephedra californica J. M. Stewart 1985-4-28 8516 Riverside Western Colorado Desert, Coachella Valley, along the north side of Hwy I-10, 1 mi west of Indian Ave. 244 Comment
  UC813664  Ephedra fasciculata var. clokeyi I. W. Clokey 1935-4-17 6512 Riverside Cottonwood Springs Comment
  UC1280921  Ephedra viridis H. E. McMinn 1937-5-3 4490 Riverside approaching Cottonwood Mountain from Pinto Basin Comment
  RSA191412  Epilobium canum subsp. canum E. W. Lathrop, Thorne 1967-9-26 6610 Riverside Tenaja Guard Station, 10 miles NW of Murrieta. Comment
  POM48869  Epilobium canum subsp. latifolium P. A. Munz 1924-7-26 8703 Riverside Near Dark Canyon, San Jacinto Mts. 1524 Comment
  RSA24175  Epilobium canum subsp. latifolium Carl B. Wolf 1932-10-31 9759 Riverside Colorado Desert; Cottonwood Springs, Eagle Mountains. 290 Comment
  RSA72330  Epilobium canum subsp. latifolium F. W. Peirson 1928-11-30 8212 Riverside Cottonwood Spring, northern Colorado Desert. Comment
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Oct 9 2010
  RSA754122  Epilobium ciliatum W. Schlegel, Andrew Troutte, Jordan Zylstra 2008-8-29 12 Riverside Idyllwild: Skunk Cabbage Meadow. 2449 Comment
  POM3143  Epilobium ciliatum subsp. ciliatum I. M. Johnston 1917-12-1 s.n. Riverside Santa Ana River, NW of Corona. 183 Comment
  UCR14844  Epilobium densiflorum A. C. Sanders, O. F. Clarke, Dan Vossler 1975-7-23 439 Riverside Santa Ana Mtns., Santa Rosa Plateau, west of Murrieta, c. 1/2 mile west of large vernal pool on Mesa de Colorado. 610 Comment
  POM48886  Epilobium lactiflorum P. A. Munz 1924-7-27 8742 Riverside Dark Canyon, San Jacinto Mountains. 2287 Comment
  RSA5237  Epilobium oregonense Carl B. Wolf 1932-8-5 3961 Riverside On trail from Tahquitz Valley to San Jacinto Peak; head of a fork of Tahquitz Creek. San Jacinto Mountains. 2744 Comment
  CLARK-A1528-3378  Epipactis gigantea John C. Roos 1948-5-29 3870 Riverside Whitewater Canyon Comment
  RSA381703  Epipactis gigantea H. de Forest, Jack Rempel 1934-4-14 s.n. Riverside Andreas Canyon. 305 Comment
  SD233244  Epipactis gigantea Scott D. White, Justin M. Wood 2009-5-22 12928 Riverside San Jacinto Mts: Halfway Spring, accessed via Old Control Road. 1159 Comment
  UCSB925  Epipactis gigantea Kamb, Peter 1948-7-11 Riverside Hall Canyon; San Jacinto Mtns 1645 Comment
  SD132541  Equisetum telmateia subsp. braunii John C. Roos 1952-6-25 5794 Riverside Riverside, Fairmount Park, west end 259 Comment
  RSA180338  Equisetum telmateia var. braunii E. W. Lathrop 1959-4-2 4445 Riverside 18 miles W of Murrieta, Cottonwood Canyon of the Tenaja Range Comment
  UCR156276  Eragrostis T. B. Salvato, Kent Beaman 2005-5-16 852 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
  CAS-BOT-BC204487  Eragrostis cilianensis S. B. Parish 1913-2-7 8442 Riverside Salton Basin. Mesa near Mecca -60 Comment
  POM267974  Eragrostis cilianensis E. Johnson 1943-10-29 29 Riverside Coachella. Comment
  UCR230605  Eragrostis mexicana subsp. mexicana A. C. Sanders 2011-9-15 39891 Riverside Sonoran (Colorado) Desert, Coachella Valley, agricultural area in Thermal; Colorama greenhouses/nursery at 83300 Ave. 58, 0.35 mi. east of Jackson St. near Calhoun St. -24 Comment
  UCD63544  Eragrostis mexicana subsp. virescens Malcolm A. Nobs; S. Galen Smith 1948-9-3 487 Riverside Citrus grove, 2 miles north of Indio. Comment
  UCR113924  Eragrostis pilosa var. pilosa Mitch Provance, A. C. Sanders 2000-7-4 2082 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  JOTR32131  Eremalche exilis La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2287 Riverside Joshua Tree National Park. Pleasant Valley, south of Gold Coin mine complex; mud flats and sandy hummocks on valley floor (Stop 5) 959 Comment
  RSA522776  Eremalche exilis Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3883 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
  RSA651901  Eremalche rotundifolia G. S. Eleiott 1949-3-15 s.n. Riverside Colorado [Desert] 15 miles east of Palm Springs. 244 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
  RSA557369  Eremocarpus setiger Julie Greene, S. D. White 1993-7-5 1402 Riverside San Jacinto Wildlife Area. Lower, flat area, W of dirt road. 441 Comment
  SBBG81712  Eremothera chamaenerioides S. A. Junak 1983-3-24 1657 Riverside N side of Hwy 10, 6.9 mi W of Pinto Basin Rd 426 Comment
  SD258452  Eremothera refracta J. M. Andre 2013-3-4 23863 Riverside Sandy bluffs overlooking Colorado River, 0.2 mile E of Hwy 95, just S of Riverside Mountains, just N of Queen Sable Point. (Big Maria Mtns NE 7.5'Q) 96 Comment
  UC310586  Eremothera refracta Philip A. Munz 1926-1-31 9947 Riverside Dos Palmos Spring Colorado Desert Comment
  UC1787319  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1993-7-9 124 Riverside Arroyo Seco Creek, adjacent to Dripping Springs Public Campground, ca. 500 m south of terminal loop of campground road, along east bank of creek 487 Comment
  CLARK-A1528-702  Eriastrum eremicum C. M. Flanagan 1973-5-12 OO 41 Riverside San Jacinto Mountains 853 Comment
  UC52542  Eriastrum eremicum subsp. eremicum F. Gilman 1902-1 4 Riverside Palm Springs Comment
  CAS-BOT-BC514463  Eriastrum eremicum subsp. eremicum Ynez Whilton Winblad 1937-4-19 s.n. Riverside Near Palm Springs Comment
  UC455634  Eriastrum sapphirinum I. J. Condit 1910-6-24 Riverside lower slopes and in canyon San Jacinto Mts. Comment
  UC574982  Eriastrum sapphirinum C. Epling and Wm. Robison 1933-6-24 Riverside San Gorgonio Wash Little San Bernardino Mountains Comment
  UCR167828  Eriastrum sapphirinum T. B. Salvato, Melissa Clemons 2005-6-2 1353 Riverside Peninsular Range; Temescal Valley, Gavilan Hills, c. 0.5 mi SE of Steele Peak, 4 miles SW of Perris, and 6 miles NNE of Lake Elsinore, NW of Hwy 74 610 Comment
  UCR260570  Eriastrum sapphirinum T. B. Salvato 2014-5-29 8032 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Debon Street, c. 0.7 mi west of Murrieta Rd and 4.4 mi southeast of Canyon Lake 537 Comment
  UCR87645  Eriastrum sapphirinum A. C. Sanders 1994-5-29 14551 Riverside San Bernardino Mtns, Morongo Indian Reservation, low pass between Millard Canyon and Potrero Creek 793 Comment
  UCR121234  Eriastrum sapphirinum subsp. ambiguum Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2271 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  RSA0121568  Eriastrum sapphirinum subsp. dasyanthum Scott D. White, Angelia Carey 2004-7-2 10569 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  RSA409368  Eriastrum sapphirinum subsp. dasyanthum Robert Gustafson, Gary D. Wallace 1983-6-23 2724 Riverside Along Clinton Keith Road, ca. 2.5 miiles from its junction with Hwy 15, Santa Ana Mts. Comment
  SDSU13547  Eriastrum sapphirinum subsp. dasyanthum W. Miller 1972-7-20 Riverside Comment
  SD146197  Eriastrum sapphirinum subsp. sapphirinum A. C. Sanders, S. D. Boyd, et al. 1998-10-25 22281 Riverside Pine Meadow along Highway 74 in Garner Valley, 1.0 mile northwest of Highway 371 junction to Anza. 1441 Comment
  UCSB14840  Eriastrum sapphirinum subsp. sapphirinum Breedlove, Dennis 1961-5-6 Riverside 7 miles S of Banning, Hwy 234, San Jacinto Mountains 1158 Comment
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Jun 2 2013
  UCR245793  Ericameria brachylepis A. C. Sanders, T. B. Salvato, Ana Hernandez, Karyn Drennen, Angela Collada 2013-10-2 40955 Riverside Peninsular Range, Wilson Valley Preserve, 0.35 air mi. south of Wilson Valley Rd. and 0.8 mi. east of Sage Rd., 1.4 mi. east (93 deg. ) of Round Top Mountain 739 Comment
  RSA674530  Ericameria cuneata Scott D. White 2000-11-16 8153 Riverside North of Alvin Meadow near USFS Road 5S10 (Red Hill Rd) (Lk Fulmor/Blackburn Cyn. 1616 Comment
  RSA0125105  Ericameria cuneata var. spathulata Duncan S. Bell 2016-10-27 10214 Riverside Whitewater Canyon area; collecting in Rainbow Canyon, 2.75 air miles northwest of the Whitewater Ranger Station (trout ponds). 1024 Comment
  POM359409  Ericameria linearifolia Mark Morris 1929-3-17 14925 Riverside Palm Canyon. Comment
  UCD166230  Ericameria linearifolia Jack Major 1962-4-16 773 Riverside Along California Hwy 74, below Pinyon Flat toward Palm Desert. (Exact location unknown. Coordinates estimated by label maker.) 1220 Comment
  JOTR33673  Ericameria nauseosa var. mohavensis La Doux, Tasha, Mike Bell, Mariya Navasio 2005-9-21 2663 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Wonderland of Rocks; Near Wall Street Mill parking area 1310 Comment
  JOTR33714  Ericameria paniculata La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1002 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains in Cottonwood Canyon; large active wash in rocky canyon along roadside east of Rte. 11 839 Comment
  UCR160054  Erigeron breweri Steve Boyd, Valerie Soza 2004-6-22 11538 Riverside Peninsular Ranges; San Jacinto Mountains region, Western flank of the range in Hall Canyon, at the south end of Lake Fulmor, just north of Hwy 243. 1646 Comment
  RSA40569  Erigeron divergens J. C. Roos 1947-4-5 3418 Riverside on stony slope, SE of Pinyon Flats, Santa Rosa Mts. 1372 Comment
  POM80096  Erigeron foliosus Marcus E. Jones 1924-8-20 s.n. Riverside Idyllwild. Comment
  SD247325  Erigeron foliosus T. B. Salvato, Matt Malle 2014-5-29 8019 Riverside Perris-Aguanga Basin: Menifee, northeast corner of Bundy Canyon Road and Cottonwood Hills (=Sunset Ave), about 1 mile west of Murrieta Road and 4.3 mile southeast of Canyon Lake. 534 Comment
  UCR175219  Erigeron foliosus Jennifer H. Jones 2006-6-6 399 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; lower ele. part of San Juan Loop Trail, N of Upper San Juan Campground 518 Comment
  POM14970  Erigeron foliosus var. foliosus Mary F. Spencer 1922-6-29 1274 Riverside Brooks Camp, San Jacinto Mt. 1219 Comment
  RSA125984  Eriodictyon crassifolium E. K. Balls, P. C. Everett 1957-11-4 22743 Riverside Snow Creek, N. base of San Jacinto Mts. 701 Comment
  JOTR33960  Eriogonum angulosum La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2846 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; sandy wash and gravelly benches with bouldery granitic outcrops Comment
  CAS-BOT-BC248625  Eriogonum apiculatum William M. Klein 1960-8-22 1582 Riverside North of Idyllwild along the trail to Suicide Rock and Mt San Jacinto, San Jacinto Mts. Comment
  CLARK-A1528-5715  Eriogonum apiculatum John C. Roos 1947-9-6 3743 Riverside San Jacinto Mountains Comment
  UC496521  Eriogonum apiculatum Philip A. Munz 1932-10-16 12846 Riverside road from Indio to Vandeventer Flat; Santa Rosa Mts. 1158 Comment
  JOTR37446  Eriogonum baileyi var. baileyi Hodges, Stephen, T. Green 2016-5-24 568 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Quail Mountain Complex; ascending up wash and slopes towards Mount Minerva Hoyt peak from the east (Stop 2). Comment
  UCR60526  Eriogonum davidsonii B. A. Prigge 1980-8-25 4021 Riverside San Jacinto Mtns, San Gorgonio Pass: 1 mi SE of Fingal siding, So. Pacific RR 445 Comment
  SEINET3086511 Image available Eriogonum fasciculatum J. Harry Lehr 1975-10-12 1697 Riverside Rt. I-10, 2 mile E of Ramsey Street, Banning. 152 Comment
  RSA0060578  Eriogonum fasciculatum var. fasciculatum Bob Rogers 1984-4-14 4 Riverside Collected in the San Jacinto river-bed on the North side of Highway 74, 0.5 miles past Cranston ranger station going East from Hemet towards Mountain Center. 610 Comment
  RSA26984  Eriogonum fasciculatum var. flavoviride C. L. Hitchcock 1940-4-1 5903 Riverside 1 mi. below Cottonwood Springs. Joshua Tree Nat. Monument. Comment
  JOTR29160  Eriogonum fasciculatum var. polifolium La Doux, Tasha, K. Knudsen, J. Galvin 2005-8-22 1234 Riverside Joshua Tree National Park. Key's view Comment
  RSA393350  Eriogonum fasciculatum var. polifolium M. B. Dunkle 1933-3-3 3021 Riverside Devils Cactus Garden, Colorado Desert 152 Comment
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Mar 20 2011
  RSA766105  Eriogonum fasciculatum var. polifolium Marjorie D. Clary 1932-5-3 1025 Riverside Devil's Canyon, west side Coachella Valley. Comment
  SBBG35023  Eriogonum fasciculatum var. polifolium T. L. Secrest 1951-5-19 Riverside San Jacinto Mtns Comment
  CAS-BOT-BC253487  Eriogonum gracile Steve Boyd 1994-10-14 8382 Riverside San Mateo Canyon, sandy benches in canyon bottom at the confluence with Bluewataer Canyon, Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest 304 Comment
  CAS-BOT-BC253492  Eriogonum gracile James L. Reveal; Caroline G. Reveal 1972-8-9 2850 Riverside Along California Highway 74, at Strawberry Creek about 5.5 miles west of the junction with Highway 243 914 Comment
  UCR214315  Eriogonum gracile A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38394 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  RSA192354  Eriogonum gracile var. gracile E. W. Lathrop 1966-5-23 6331 Riverside 6 miles NW of Murrieta. Comment
  RSA741737  Eriogonum gracile var. gracile M. Wall 2008-10-6 494 Riverside San Jacinto Valley, Baustista Rd. south east of Hemet; Bautista Creek ca. 6.0 miles SE of Fairview Ave. 778 Comment
  UCR272194  Eriogonum gracile var. gracile Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8566 Riverside San Jacinto Mountains, Garner Valley, west side of the hwy, c. 3.75 air miles southeast of Lake Hemet 1370 Comment
  RSA0104490  Eriogonum gracile var. incultum Duncan S. Bell 2015-9-30 8665 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  POM122054  Eriogonum inflatum var. deflatum Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs. 61 Comment
  UC64567  Eriogonum inflatum var. deflatum H. M. Hall May 17 1901-Jun 1 1901 1834 Riverside e base of San Jacinto Mt. San Jacinto Mt. 609 Comment
  UCR1052  Eriogonum inflatum var. deflatum Christine Dorn 1971-4-15 s.n. Riverside Sonoran (Colorado) Desert, 5 miles east of Desert Hot Springs 396 Comment
  RSA545376  Eriogonum inflatum var. inflatum Robert F. Thorne 1970-10 41874 Riverside San Bernardino Mountains- Whitewater canyon: ca. 1350 ft. near bridge and Whitewater Post Office to ca. 2000 ft. up the canyon toward fish hatchery. 610 Comment
  UCR40036  Eriogonum molestum Dave Goodward 1985-9-29 s.n. Riverside San Jacinto Mtns., rim of Hall Canyon above the U.C. James Reserve Comment
  JOTR36391  Eriogonum plumatella La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3344 Riverside Joshua Tree National Park. Little San Bernardino Mtns: Pushwalla Canyon, approx 300 m from fork in road, up mouth of canyon Comment
  JOTR30654  Eriogonum pusillum Andre, Jim, Tasha La Doux 2008-3-21 8838 Riverside Joshua Tree National Park. Lower Wilson Wash along NE side of paved road 852 Comment
  OBI2690  Eriogonum pusillum Dieter H. Wilken 1966-3-26 771 Riverside Whitewater Cyn along E periphery Comment
  POM14061  Eriogonum pusillum P. A. Munz, D. D. Keck 1922-4-14 5002 Riverside East of Whitwater Ranch 213 Comment
  CAS-BOT-BC253011  Eriogonum reniforme N. Aitkenhead 1977-2-2 2196 Riverside ~1 mile from junction of J.T. Mon. Rd. and pipline Comment
  CAS-BOT-BC253017  Eriogonum reniforme Noel H. Holmgren; Patricia K. Holmgren; Ruth E. Kern 1973-3-23 6479 Riverside At the south entrance to Joshua Tree National Monument, near Interstate 10, 24 mile seast of Indio 548 Comment
  CAS-BOT-BC253022  Eriogonum reniforme Alice Eastwood 1913-4-30 3075 Riverside Palm Springs Comment
  POM98981  Eriogonum reniforme E. C. Jaeger 1926-3-20 s.n. Riverside Pinto Mts. 915 Comment
  RSA0127853  Eriogonum reniforme G. Rink 2013-3-29 11917 Riverside About twelve miles west of Blythe, along the T-line for the proposed Quartzite solar power plant. Comment
  JEPS56310 Image available Eriogonum saxatile C. C. Parry and J. G. Lemmon 1876-4-18 361 Riverside Whitewater Colorado Desert, Whitewater Comment
  CAS-BOT-BC263508  Eriogonum thomasii Frank W. Peirson 1927-4-12 7171 Riverside Foot of canyon, Painted Canyon Comment
  CLARK-A1528-749  Eriogonum thomasii Charlotte Stocks 1966-6-15 Riverside Coachella Valley Comment
  POM230614  Eriogonum thomasii I. W. Clokey 1933-4-17 s.n. Riverside Cottonwood Springs. Comment
  POM250548  Eriogonum thomasii I. W. Clokey 1935-4-17 s.n. Riverside Cottonwood Springs. Comment
  UCR112108  Eriogonum thomasii A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23360 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 15 Comment
  UC217964  Eriogonum thurberi P. A. Munz and I. M. Johnston 1922-5-19 5348 Riverside 5 mi ne Murietta 457 Comment
  UCR167306  Eriogonum thurberi Scott D. White, Jennifer H. Jones 2005-5-24 11100 Riverside Banning Pass area, Cabazon: San Gorgonio River wash and adjacent alluvial flats and benches to W 610 Comment
  UCR364  Eriogonum thurberi R. O. Perez 1955-5-7 s.n. Riverside San Bernardino Mtns., Whitewater Canyon. Comment
  CAS-BOT-BC263596  Eriogonum trichopes Geo. B. Grant 1906-4-20 6719 Riverside Palm Springs, Colorado Desert Comment
  RSA778229  Eriogonum trichopes Duncan S. Bell 2009-3-8 34 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  LA207037  Eriogonum umbellatum var. munzii Elizabeth McClintock; 1940-6-30 sn Riverside San Jacinto Mountains, Marion Camp Comment
  CAS-BOT-BC264934  Eriogonum wrightii var. membranaceum Louis C. Wheeler 1931-10-4 172 Riverside Strawberry Valley, San Jacinto Mts. 1584 Comment
  SD229230  Eriogonum wrightii var. membranaceum Dick Schwenkmeyer 2012-8-28 822 Riverside Fuller's Mill camp, 2.6 mi. east of intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1799 Comment
  UCR138559  Eriogonum wrightii var. subscaposum Steve Boyd, D. E. Bramlet 1988-10-8 2866 Riverside San Jacinto Mtns. area, Cahuilla Mountain, SW of Anza at head of Bautista Canyon, along the crest of the mountain 1707 Comment
  CAS-BOT-BC298485  Eriophyllum ambiguum var. paleaceum H. M. Hall 1905-4-14 5760 Riverside Near Palm Springs, Colorado Desert 150 Comment
  HSC86342  Eriophyllum confertiflorum Melody Lardner 1981-6-4 201 Riverside San Jacinto Mtns. on Hwy. 243, 7 mi. S of Banning at McMullen Flat 1220 Comment
  SD37562  Eriophyllum confertiflorum Florence Post 1931-5-1 Riverside Lake Elsinore region. Comment
  CAS-BOT-BC301786  Eriophyllum multicaule P. A. Munz 1922-4-29 5080 Riverside Leach Canyon, Santa Ana Mts 548 Comment
  POM305044  Eriophyllum multicaule Henry J. Ramsey, Henry J. Ramsey 1939-4-22 378 Riverside Hemet-Anza, Bautista Creek Road. Comment
  POM31318  Eriophyllum multicaule Marcus E. Jones 1882-4-25 s.n. Riverside San Jacinto. Comment
  POM358077  Eriophyllum multicaule E. Crow 1929-04 337 Riverside N of Alberhill. Comment
  UC896343  Eriophyllum multicaule P. A. Munz 1922-4-29 5080 Riverside Leach Canyon Santa Ana Mts., Leach Canyon 548 Comment
  UCR213610  Eriophyllum multicaule A. C. Sanders, Matthew Malle 2010-4-23 38002 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  RSA80985  Eriophyllum wallacei G. R. Campbell 1952-4-5 18371 Riverside Colorado Desert, road leading from Highway 60 to 29 Palms [Hwy 62], at junction to Desert Hot Springs 762 Comment
  UCR34971  Eriophyllum wallacei L. B. Ziegler 1967-6-21 166 Riverside San Jacinto Mtns, Hemet [= Garner] Valley 1402 Comment
  SBBG99346  Erodium cicutarium W. L. Halvorson 1977-3-13 77 -177 Riverside near Temecula Comment
  UCR102738  Erodium cicutarium B. G. Pitzer 1998-2-1 3433 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, alluvial fan on north side of lakebed, from paved road down to lakebed 427 Comment
  RSA480094  Erodium texanum Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Tim S. Ross 1988-3-10 2183 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  VVC2462  Erodium texanum Tim Thomas 2013-3-18 5934 Riverside Sonoran Desert, 10 miles WSW of Blythe NE of Mule Mtns. 116 Comment
  RSA470847  Eryngium aristulatum var. parishii Robert Gustafson, Gary D. Wallace 1983-6-23 2714 Riverside Mesa de Burro, Santa Rosa region, Santa Ana Mts. 701 Comment
  CAS-BOT-BC54340  Erysimum capitatum Steve Boyd; C. Boyd; K. Boyd; R. Noyes; L. Arnseth 1988-5-28 2265 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest. 1700 Comment
  UC1237989  Erysimum capitatum John Weiler and Roy L. Taylor May 12 1961-May 15 1961 61119 Riverside along roadside on Hwy 74 1.4 mi se Kern Summit (nw of Hemet Reservoir) Comment
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Mar 24 2011
  UCSB13334  Erysimum capitatum var. capitatum Atwater, Illiani 1961-5-7 Riverside Highway 74, 3.2 miles east of junction with Anza Rd., near Palm Springs 1371 Comment
  RSA0020237  Erythranthe breweri Duncan S. Bell, Valentin Arvizu 2010-5-10 979 Riverside San Bernardino National Forest: Garner Valley, approximately 1.1 air mile southeast of junction of forest service road 6S13 and forest service road 6S04. 1349 Comment
  RSA0014887  Erythranthe tilingii Carl B. Wolf 1932-8-5 3954 Riverside On trail from Tahquitz Valley to San Jacinto Peak. Head of a fork of Tahquitz Creek. San Jacinto Mountains. 2744 Comment
  JOTR33757  Eschscholzia La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2755 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Gneiss outcrop on edge of large sandy wash in wide canyon that feeds southwest into Wilson Canyon (Stop 6) Comment
  GMDRC5487  Eschscholzia androuxii J. Andre 2012-4-16 20884 Riverside Little San Bernardino Mountains: along Cottonwood Spr. Rd, 1.0 mi. north of South Entrance 584 Comment
  CAS-BOT-BC402623  Eschscholzia caespitosa Sears 1978-3-18 925 Riverside 3 mi. E. of Corn Spring, 9 mi SE of Desert Center 365 Comment
  UCR107724  Eschscholzia californica A. C. Sanders 1997-3-1 19737 Riverside Box Springs Mountains, Riverside: S end of the range along Gernert Rd. (dirt road paralleling the mountain front), in valley draining to Box Spring Canyon. 457 Comment
  UCR174101  Eschscholzia californica A. C. Sanders 2006-5-19 32469 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR274075  Eschscholzia californica T. B. Salvato, Gregg Miller 2005-6-7 1432 Riverside Peninsular Range, Gavilan Hills, along Hill Top Drive, 1.7 mi NE ( 54.8 deg. ) of the Lake Street junction with Hwy I-15, and 1.8 miles west of El Toro Road, near benchmark 2349 695 Comment
  RSA445669  Eschscholzia minutiflora M. B. Dunkle 1932-3-25 2915 Riverside 10 miles NW of Indio. Colorado Desert. 30 Comment
  RSA550266  Eschscholzia minutiflora Walter Wisura, Michael Wall, John Dolan 1992-3-24 4630 Riverside Low desert: 10 mi NE of Mecca on Box Canyon Rd. Comment
  RSA0022947  Eschscholzia minutiflora Mary F. Spencer 1920-3-24 248 Riverside Near Indio. Colorado Desert. 91 Comment
  CAS-BOT-BC419613  Eschscholzia parishii Milo S. Baker 1928-4-3 3243 a Riverside Palm Sps Canon [Canyon] Comment
  CAS-BOT-BC419644  Eschscholzia parishii S. B. Parish 1907-4-1 6103 Riverside Whitewater, Colorado Desert Comment
  JOTR35066  Eschscholzia parishii La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3518 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
  SEINET3840920  Eucalyptus pulchella Unknown 1992-3-1 12039 Riverside Australian section of UCR Botanical Garden, Quadrangle: Riverside East 7.5 366 Comment
  CSUSB109  Eucrypta chrysanthemifolia K. S. Gill 1965-4-18 Riverside On UCR campus 243 Comment
  POM13861  Eucrypta chrysanthemifolia P. A. Munz 1922-4-29 5081 Riverside Among rocks west of Lake Elsinore. Base of Elsinore Mountains, 488 Comment
  UCR119265  Eucrypta chrysanthemifolia Mitch Provance 1998-6-10 635 Riverside City of Riverside, East side of Pachappa Hill, as accessed from where Panorama road crosses the 91 freeway. 335 Comment
  SD137734  Eucrypta chrysanthemifolia var. chrysanthemifolia Darin L. Banks, Steve Boyd 1995-4-5 159 Riverside Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove, east of the Dripping Springs Trail. 609 Comment
  UCR225185  Eucrypta chrysanthemifolia var. chrysanthemifolia Steve Boyd, Susan Jett 2008-3-20 11834 Riverside Peninsular Ranges; Santa Ana Mountains region, Along Main Divide Truck Trail, south of junction with Wildomar Truck Trail and north of Wildomar Off-Hiway Vehicle Area. Comment
  UCR83197  Eucrypta chrysanthemifolia var. chrysanthemifolia A. C. Sanders 1994-5-15 14481 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the E bank of the Santa Ana River 400 Comment
  GMDRC9808  Eulobus californicus J. M. Andre 2017-3-1 38029 Riverside Chuckwalla Bench: along Red Cloud Rd, 2.5 mi. SSE of junction Interstate 10, between Orocopia and Chuckwalla Mtns 473 Comment
  UCSB15721  Euonymus occidentalis subsp. parishii Breedlove, Dennis 1961-8-5 Riverside Along Fuller Mill Creek; 0.5 mile upstream from point where creek crosses Riverside Highway 1; San Jacinto Mountains 1645 Comment
  RSA750603  Euonymus occidentalis var. parishii K. M. Meyer, A. Townesmith, T. Scott 2007-3-16 19 Riverside San Bernardino National Forest. Fuller Mill Creek. 17.6 m S on Hwy 243 (off of I-10). 1572 Comment
  UCR35142  Euonymus occidentalis var. parishii L. B. Ziegler 1978-6-21 592 Riverside San Jacinto Mtns, North Fork of the San Jacinto River (Dark Canyon). 1677 Comment
  UCR9165  Euonymus occidentalis var. parishii Heidi A. Haid 1968-9-28 s.n. Riverside San Jacinto Mountains, 10 mi northeast of Idyllwild at Lake Fulmor Comment
  RSA721874  Euphorbia J. Mark Porter, Orlando Mistretta 2003-6-5 13605 -A Riverside Chocolate Mountains. Chocolate Mountain Bombing and Gunnery Range. Unnamed canyon, S of Salt Creek, accessed via Siphon 21 of the Coachella Canal; fork running east, above the pour-off. 439 Comment
  SD181547  Euphorbia Louis C. Wheeler 1945-10-6 6147 Riverside San Jacinto Mountains; 0.5 mile east of Ranger Peak. 1372 Comment
Read comments
Feb 17 2013
  UCR223972  Euphorbia albomarginata A. C. Sanders 2011-3-23 38801 Riverside Peninsular Range; Gavilan Hills Region, powerline corridor, SW of Perris, east of Hwy 74 between the highway and the San Jacinto River, south of Ethanac Rd. 440 Comment
  UCR97279  Euphorbia albomarginata Scott D. White 1993-4-30 1315 b Riverside San Jacinto Valley, Near intersection of Warren Rd. and Stetson Ave. 458 Comment
  RSA0124747  Euphorbia jaegeri Duncan S. Bell, LeRoy Gross 2016-3-9 8838 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central section of range, approximately 1.75 air miles north of Gucci Spring. 551 Comment
  UCR241542  Euphorbia micromera A. C. Sanders, Ann Howald 2013-2-27 40542 Riverside Sonoran (Colorado) Desert, Coachella Valley, north of Ave. 70 near Cleveland St., 10 km SE (108 deg. ) of Mecca -40 Comment
  UCR49371  Euphorbia ocellata Theo Glenn 1986-4-5 s.n. Riverside Western Colorado Desert, Coachella Valley, Willow Hole, between Thousand Palms and Desert Hot Springs 213 Comment
  UCR162761  Euphorbia polycarpa John F. Green 2005-10-20 s.n. Riverside Elsinore Basin/Menifee Valley, Bundy Canyon, N of Bundy Canyon Road c. 2 mi east of Hwy I-15 518 Comment
  UCR21194  Euphorbia polycarpa Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  UCR213926  Euphorbia polycarpa Naomi Fraga, Lisa Rojas 2005-2-10 1377 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  UCR91001  Euphorbia serpillifolia A. C. Sanders 1994-5-29 14566 Riverside San Bernardino Mtns., lower Millard Canyon, at first stream crossing on Forest Service Road 2S05, near Bench Mark 2868 850 Comment
  RSA392122  Eustoma exaltatum Anstruther Davidson 1893-04 s.n. Riverside Palm Springs. Comment
  UCR265846  Euthamia occidentalis Mitch Provance 2013-4-8 413- 03 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  SEINET13945543 Image available Fagonia chilensis Helen K. Sharsmith 1952-1 4062 Riverside NW base of Chuckawalla Mts., 7 mi S of Hwy 60-70; ca. 1750 ft alt. 533 Comment
  SD181310  Fagonia laevis Scott D. White 1999-4-20 7274 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 89 Comment
  UC867876  Fagonia laevis C. L. Hitchcock 1940-4-2 5920 Riverside Cottonwood Springs wash; Joshua Tree National Monument Comment
  UCR216493  Fagonia laevis Tasha La Doux, Jim Andre 2009-3-10 385 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
  VVC1721  Fagonia laevis Jim Andre, T. La 2009-3-10 s.n. Riverside Colorado Desert, Joshua Tree Natl. Park; south end of the Cottonwood Mtns near Pinkham Wash just N of aquaduct just inside JTNP boundary, approx 7 mi W of S entrance into park at Cottonwood. 542 Comment
  CAS-BOT-BC56787  Ferocactus cylindraceus Dr. Barton W. Evermann 1924-4-1 s.n. Riverside Field redacted by CAS, contact the data manager for more information Comment
  UCR31849  Festuca californica E. W. Lathrop 1966-5-26 6333 Riverside Santa Ana Mtns., Cleveland National Forest, Main Divide Truck Trail between El Carriso & Santiago Peak 1220 Comment
  UCR85179  Festuca microstachys A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16176 Riverside Coachella Valley/San Jacinto Mtns foothills, Coachella Valley: N-facing rocky slope in Chino Canyon along the Palm Springs tram road, 2 mi above Hwy 111 (Palm Canyon Dr.) 612 Comment
  UCR92220  Festuca microstachys D. L. Banks, Steve Boyd 1995-5-9 0394 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, west of the Dripping Springs Alcove, west of Woodchuck Campground. 701 Comment
  UCR156298  Festuca myuros T. B. Salvato, Kent Beaman 2005-5-16 831 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  UCR162272  Festuca myuros S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1220 Comment
  UCR92644  Festuca myuros Steve Boyd 1986-4-2 1626 A Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCR214900  Festuca octoflora A. C. Sanders 2010-3-23 37527 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mtns. 140 Comment
  UCR93096  Festuca octoflora George K. Helmkamp 1995-3-16 s.n. Riverside Sonoran (Colorado) Desert, 5.6 mi NE of Desert Center on Rice Rd. 152 Comment
  RSA387341  Filago arizonica Steve Boyd 1986-5-1 1789 Riverside Perris-Aguanga Basin region SW Perris Basin, Hill west of Skunk Hollow. Comment
  RSA316416  Filago californica R. F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55398 Riverside San Bernardino Mts.: Side canyon on W side of Whitewater Cyn, ca. 3.3 mi. N of Whitewater Post Office. 595 Comment
  RSA628477  Filago californica A. C. Sanders 1994-5-30 14613 Riverside Foothills NNE of Beaumont. 950 Comment
  RSA763403  Filago californica Scott D. White, Angelia Carey 2004-4-5 10001 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR258870  Filago californica T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7907 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon 555 Comment
  RSA500129  Filago depressa Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3682 Riverside Vail Lake area, Benches of Arroyo Seco and slopes of adjacent hills to E. 488 Comment
  RSA487421  Filago gallica 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
  SEINET7048207  Filago gallica Steven R. Hill, Andrew C. Sanders 2001-5-4 33719 Riverside Santa Rosa Plateau, eastern rim, north side of Avenida del Oro, just east of junction with Sandia Creek Drive, 2 miles west of junction of Rancho California Road and Route I-15. Elevation 1570 - 1670 feet. 509 Comment
  UCR31848  Flaveria trinervia A. C. Sanders 1981-10-31 2392 Riverside McKinley St. between Riverside & Corona, 0.3 mi north of Hwy 91 & c. 100 yards west of McKinley 305 Comment
  SD80098  Forestiera neomexicana Nancy Ryan Zabriskie, Walter Zabriskie 1971-8-10 426 Riverside Canyon above first turnout east side Santa Rosa Mountain Rd., 0.6 mile above Highway 74. 1524 Comment
  JEPS42933  Forestiera pubescens Marjorie D. Clary 1932-7-4 965 Riverside 10 mi se Kenworthy; Santa Rosa Mts. 1371 Comment
  SD186260  Fraxinus velutina A. C. Sanders, O. F. Clarke 1991-6-10 11135 Riverside Viverside, along Spring Brook between Lake Evans and the Santa Ana River. 238 Comment
  UCR132720  Fraxinus velutina A. C. Sanders, O. F. Clarke 1991-6-10 11132 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  UCD139667  Fritillaria biflora Steve Boyd 1986-3-1 1375 Riverside Gavilan Plateau, Gavilan Hills: Ida-Leona Road west of Piedras Road, east 1/2 of border. 624 Comment
  RSA494647  Funastrum cynanchoides var. hartwegii B. L. Phillips 1988-6-2 s.n. Riverside E Riverside, near Creek on W side of Box Springs Mt. Comment
  UCR89833  Funastrum cynanchoides var. hartwegii Scott D. White 1993-5-27 1430 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  SEINET3076691 Image available Galium angustifolium B. Pitzer 1986-5-24 248 Riverside Whitewater Canyon, ca. 5 mi N of Hwy I-10 on Whitewater Canyon Road. From N edge of hatchery to ca. 0.25 mi N of hatchery boundary. 732 Comment
  JEPS56080  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4258 Riverside 1 mi se Toro Peak ridge; Santa Rosa Mts. 2286 Comment
  POM367710  Galium angustifolium subsp. angustifolium E. S. Spalding 1925-6-12 s.n. Riverside Vicinity of Temecula. Comment
  POM48868  Galium angustifolium subsp. jacinticum Philip A. Munz, J. M. Johnston 1924-7-26 8702 Riverside Near Dark Canyon, San Jacinto Mts. 1524 Comment
  UCR146246  Galium angustifolium subsp. jacinticum R. F. Thorne, Et al. 1969-6-24 38134 Riverside Peninsular Ranges; San Jacinto Mountains, San Bernardino National Forest. Hilltop above Lake Fulmor 1677 Comment
  POM36776  Galium aparine N. C. Cooper 1947-4-5 2040 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  RSA0014932  Galium aparine LeRoy Gross, Caitlin Elam, Evan Meyer 2013-5-7 6038 -a Riverside West of the community of Pine Cove, near Idyllwild. Out-skirt of the community and Red Hill road (5S10). Near 1720 Comment
  POM99061  Galium aparine E. C. Jaeger 1926-5-1 s.n. Riverside Joseph Canyon, Santa Ana Mts. Comment
  JEPS9394  Galium parishii A. W. Anthony 1895-7-12 Riverside San Jacinto Mts. 2529 Comment
  SD67921  Galium parishii Reid Moran 1968-8-3 15349 Riverside on rocky NE slope, ridge 1 mile NW of Toro Peak 2250 Comment
  UCR277921  Galium porrigens Mitch Provance 2011-6-3 611- 01 Riverside Badlands of Western Riverside County, Mouth of San Timoteo Canyon, S side of Noble Creek, 0.75 miles W of Beaumont and I-10, 0.5 miles N of Potrero Blvd. and Hwy. 60. 756 Comment
  JEPS52943  Galium porrigens var. porrigens Lauramay T. Dempster and G. L. Stebbins 1966-6-17 4240 Riverside Poppet Flat San Jacinto Mts. (at Keyes Drive) 1097 Comment
  RSA0123088  Galium stellatum Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8972 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
  CAS-BOT-BC217620  Galium stellatum subsp. stellatum Annie M. Alexander; Louise Kellogg 1941-5-18 2200 a Riverside North slope of Eagle Mountains 1066 Comment
  CAS-BOT-BC217621  Galium stellatum subsp. stellatum Annie M. Alexander; Louise Kellogg 1941-5-18 2200 Riverside North slope of Eagle Mountains 1066 Comment
  LA208440  Galium stellatum var. eremicum L. Haines; L. Erickson 1937-4-10 Riverside Palms to Pines Highway 2 mi above valley Comment
  RSA674761  Gastridium phleoides Scott D. White, Teresa Salvato 2001-6-8 8582 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  RSA736002  Gaura sinuata Scott D. White, Justin M. Wood 2008-6-26 12292 Riverside Perris Basin: I-215 just N of San Jacinto River crossing. 431 Comment
  POM355341  Gayophytum diffusum subsp. parviflorum M. B. Dunkle 1933-7-19 3676 Riverside Upper Tahquitz Valley, San Jacinto Mountains. 2409 Comment
  JEPS23575  Geraea canescens Peter H. Raven 1958-2-15 11585 Riverside along United States Highway 60 (8.7 mi e of road to Wiley Wells) Comment
  JEPS30406  Geraea canescens Donald Kyhos 1957-3-29 57 -8 Riverside 3 mi E of Palm Springs (on Hiway 99) Comment
Read comments
Aug 28 2011
  RSA21760  Geraea canescens C. B. Wolf 1937-4-6 8432 Riverside Coachella Valley, 3 miles N of Indio. 0 Comment
  RSA5157  Geraea canescens C. B. Wolf 1932-4-26 2968 Riverside 3 mi. east of Mecca on Blythe Road 0 Comment
  RSA682855  Geraea canescens Scott D. White 2003-3-20 8827 Riverside Coachella Valley: Immediately north of the I-10 / Jefferson Av. freeway interchange. 12 Comment
  SFV17346  Geraea canescens J. D. Dilley, J. N. Hogue 1998-4-24 281 Riverside Colorado Desert Chuckwalla Mountains. Corn Springs Wash on Corn Springs Road, 1 mile southwest of Interstate Highway 10. 274 Comment
  SEINET10726149  Geraea canescens David B. Dunn 1946-3-17 Dunn 2084 Riverside From dry south-facing wall or slope o canyon 200 yards south of main Palm group. Indio Hills. Comment
  UCR167681  Geranium carolinianum T. B. Salvato, Melissa Clemons 2005-6-23 1300 Riverside Peninsular Range; Temescal Valley, Walker Canyon, 1.5 mi due east of Alberhill, N of Hwy I-15 412 Comment
  UCR127583  Gilia N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 182 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  UCR178339  Gilia Tracy Tennant, Jeffrey Ross 1998-7-21 MOR- 653 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  UCR178845  Gilia Mitch Provance, Tracy Tennant 1998-6-16 MOR- 389 Riverside San Bernardino Mtns., Morongo Indian Reservation, 0.5 mi. north of junction of East Branch and Millard Canyon 1220 Comment
  RSA0047266  Gilia angelensis J. Mark Porter, Lauren E. Machen 1997-2-15 11425 Riverside North of Interstate 15 at the Lake Street/Walker Canyon exit, 4.4 mi NE of the Hwy 74 exit at Lake Elsinore. 390 Comment
  RSA4383  Gilia angelensis Dorothy R. Wolf 1932-3-20 29 Riverside Richman Ranch 2.5 mi N of De Luz. SW. 457 Comment
  RSA583612  Gilia angelensis Steve Boyd, Darin L. Banks 1995-3-30 8411 Riverside Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the western edge of the Dripping Springs Alcove in tributary of Kolb Creek just east of the old Woodchuck Truck Trail road grade, just south of the Wilderness boundary. 640 Comment
  RSA645681  Gilia angelensis Scott D. White 1999-5-2 7289 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
  UCR177945  Gilia angelensis Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 027 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  UCR21971  Gilia angelensis Steve Boyd 1980-5-2 161 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR281471  Gilia angelensis Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-3-31 317- 97 Riverside Temescal Valley, Corona, N side of Campbell Ranch Rd., 0.2 miles E of intersection with Temescal Canyon Rd. 330 Comment
  UCR50078  Gilia australis N. M. Fellows, A. C. Sanders 1985-4-9 134 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
  CLARK-A1528-708  Gilia capitata Ellen Predmore 1971-5-3 Riverside 457 Comment
  LA102237  Gilia capitata subsp. abrotanifolia John C. Roos; Lucille Roos 1952-4-27 5585 Riverside San Timoteo Canyon in Redlands 426 Comment
  RSA543745  Gilia capitata subsp. abrotanifolia Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6049 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  RSA125533  Gilia diegensis R. Weatherby 1949-6-6 668 Riverside Santa Rosa Mountain. 1982 Comment
  UC63438  Gilia diegensis H. M. Hall 1904-5-19 4949 Riverside Fairmount Park vicinity of Riverside, Fairmount Park 243 Comment
  CAS-BOT-BC123780  Gilia hallii Harvey Monroe Hall 1899-5-1 s.n. Riverside El Toro Mt. Comment
  UC1931687  Gilia latifolia J. Wear, N. Moorhatch 1993-6-11 Riverside Mecca Hills 60 Comment
  UCR103549  Gilia latifolia George K. Helmkamp, E. A. Helmkamp 1998-1-17 2533 Riverside Sonoran (Colorado) Desert, Box Canyon, NE of Mecca and 3.5 mi south of Shavers Well. 244 Comment
  UCR71847  Gilia maculata George K. Helmkamp 1992-4-16 92- 4 Riverside Western Colorado Desert, Coachella Valley, Mission Creek, 0.4 mi. south of Indian Avenue, on old Hwy 62 500 Comment
  RSA771781  Gilia modocensis Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5034 -b Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010 750 Comment
  CAS-BOT-BC407801  Gilia ochroleuca subsp. exilis Steve Boyd 1986-4-19 1703 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road Comment
  CAS-BOT-BC407807  Gilia ochroleuca subsp. exilis H. M. Hall 1902-4-1 2912 Riverside Vicinity of Winchester 365 Comment
  RSA0016279  Gilia ochroleuca subsp. exilis P. A. Munz 1922-6-27 5850 Riverside Santa Rosa Mountains: Santa Rosa. 2012 Comment
  UCR118399  Gilia ochroleuca subsp. exilis A. C. Sanders 1994-5-29 14576 Riverside San Bernardino Mtns, East Branch Millard Canyon, along Forest Service Road 4S45 1200 Comment
  RSA0016283  Gilia ochroleuca subsp. exilis Clare B. Hardham 1965-6-18 12947 -B Riverside Cedar Flat Road, Idlewild [Idyllwild]. Comment
  RSA0017293  Gilia ochroleuca subsp. exilis Steve Boyd 1986-4-22 1755 Riverside Temescal Canyon; Stable alluvial benches of Indian wash just S of I-15. Comment
  SEINET9361529  Gilia ophthalmoides Unknown 1976-5-2 Riverside Red Mountain Road. Comment
  RSA776341  Gilia scopulorum Duncan S. Bell 2010-3-20 639 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 215 Comment
  UCD117882  Gilia scopulorum C. W. Tilforth 1973-4-29 779 Riverside 9 miles south of bridge at base of Seven Level Hill, south of Palm Desert, Highway 74. Comment
  UCR232777  Gilia splendens William Schlegel, Andrew Troutte 2008-8-8 006 Riverside Peninsular Range; San Jacinto Mtns., c. 2 km NE of Black Mountain summit 2267 Comment
  RSA0121065  Gilia stellata Duncan S. Bell, Thomas Stoughton 2016-3-15 8931 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; in the central part of the range, approximately 0.75 air mile east northeast from the summit of the range. 861 Comment
  RSA775101  Gilia stellata Duncan S. Bell, Michael Hee 2011-3-18 2052 Riverside Chuckwalla Mountains; north side of mountain range approximately 3 air miles southeast of Desert Center. 392 Comment
  RSA776630  Gilia stellata Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 944 Riverside Wash crossing Midland Rice Road, near saddle between Little Maria Mountains and Big Maria Mountains 320 Comment
  SD215606  Gilia stellata W. Wisura, J. Dolan and M. Wall 1992-3-24 4637 Riverside 15.4 miles northeast of Mecca, Bajadas above Box Canyon. Comment
  UCR50577  Gilia stellata B. G. Pitzer 1988-3-10 0660 Riverside Sonoran (Colorado) Desert, west side Chuckwalla Mountains, on gas line road c. 1.5 mi north of intersection with Red Cloud Mine Road (& wash); c. 2 mi. airline south of Hwy I-10 489 Comment
  CAS-BOT-BC282820  Glyceria X occidentalis A. C. Sanders; S. Hawkins 1996-4-24 18088 Riverside Morongo Indian Reservation vicinity of natural pond and bog at SE edge of Burro Flats, San Bernardino Mtns. 1158 Comment
  UCR166169  Gnaphalium canescens John F. Green 2005-2-10 s.n. Riverside Peninsular Range, E of Temecula, Rancho California, SE of intersection of Mesa Verdugo and Calle Vista, N of Pauba Valley and south of Buck Mesa 430 Comment
  UCR156463  Gnaphalium luteoalbum T. B. Salvato, A. C. Sanders 2005-5-17 889 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
  POM157887  Gnaphalium palustre P. A. Munz 1927-5-20 10799 Riverside Murrieta Hot Springs. Comment
  RSA617821  Gnaphalium palustre R. E. Riefner 1998-4-22 98 -292 Riverside Elsinore Trough between Willard and Murrieta Creek. Lake Elsinore. Comment
  UCR25554  Gnaphalium stramineum John C. Roos 1941-4-25 158 Riverside Plateau in Reche Canyon 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
  RSA718577  Guillenia lasiophylla Michael Honer, L. Hulse 2004-4-3 1896 Riverside Nameless canyon appx. 1 mi. W of Pushawalla Cyn., leading up to MWD aqueduct. 488 Comment
  CLARK-A1528-227  Gutierrezia bracteata R. P. Sunderman 1968-5-1 1 Riverside Riverside 335 Comment
  UCR199575  Gutierrezia californica Scott D. White, Angelia Carey 2004-7-2 10586 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  UCSB45959  Gutierrezia californica Roos, John 1965-9-26 Riverside Near Palms Springs station Comment
  JOTR30812  Gutierrezia microcephala Andre, Jim, Tasha La Doux 2008-9-16 10690 Riverside Joshua Tree National Park. along Bell Mountain Rd. atop Bell Mountain, approximately 0.3 miles north of radio tower. Queen Mountain USGS 7.5 min quad Near 34 00.35' N 116 00.017' W 1358 Comment
  SD40820  Gutierrezia microcephala Carl B. Wolf 1932-10-13 4313 Riverside Colorado Desert, Eagle Mountains, Cottonwood Springs. 289 Comment
  UC1214012  Gutierrezia sarothrae Otto T. Solbrig 1958-8-18 2760 Riverside on Hwy 79 12.3 mi w of Aguanga; Hwy 79 Comment
Read comments
Apr 29 2008
  RSA0066623  Harpagonella palmeri Steve Boyd 1986-5-1 1816 Riverside Bachelor Mtn.: Lower south slopes of Bachelor Mtn., east end of Lake Skinner. Comment
  UCR217556  Harpagonella palmeri Jeff B. Galvin 2009-3-12 78 Riverside Peninsular Ranges, Gavilan Plateau, Lake Mattews, 1.5 km south of Cajalco Rd. and .35 km east of old groves 451 Comment
  SD128548  Hazardia squarrosa var. grindelioides Reid Moran 1969-10-25 16662 Riverside Poppet Flat Road, N slope San Jacinto Mts. 1250 Comment
  RSA0057845  Heleochloa schoenoides J. C. Roos 1969-11-22 Riverside Quail Lake at the south end of Jack Rabbit Trail. Prostrate in the mud at the border of a receding winter-flood lake. Growing in the lake bed. San Jacino Valley, east of Moreno. 426 Comment
  POM320325  Helianthemum scoparium var. scoparium David Wheat 1968-5-16 139 Riverside 7.7 miles W Washington Ave-Guava St, Murietta, in Rancho California, Santa Ana Mt. 244 Comment
  POM12805  Helianthus gracilentus P. A. Munz 1922-6-25 5821 Riverside San Jacinto Mts. Between Vandeventer and Hemet Valley. 1433 Comment
  POM360007  Helianthus gracilentus N. C. Cooper 1949-6-29 4301 Riverside West of Pinon Flats, San Jacinto Mountains. 1524 Comment
  RSA764878  Heliotropium curassavicum Justin M. Wood 2010-9-8 2597 Riverside San Timoteo Canyon: Just SE of El Casco Substation along San Timoteo Creek. 640 Comment
  POM78908  Heliotropium curassavicum var. oculatum I. M. Johnston 1925-7-19 s.n. Riverside Pedley - Norco Road, 4 miles SSE of Wineville. Comment
  RSA357130  Heliotropium curassavicum var. oculatum R. F. Thorne, P. A. Munz, E. W. Lathrop 1968-5-8 37612 Riverside Lake Elsinore: behind levee at SE end of Lake Elsinore, ca. 1 mile S of Elsinore. Comment
  UCR116790  Hemizonia kelloggii A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24156 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
  RSA486459  Hemizonia paniculata Richard Noyes 1988-10-30 757 Riverside Harford Springs County Park vicinity. East of Park boundry and bordering Gavilan Mine Road. 610 Comment
  RSA554220  Hemizonia paniculata A. C. Sanders 1991-7-19 11155 Riverside Murrieta Hot Springs, large vernal pool on S side of Murrieta Hot Springs Road, E of Via Princesa & N of Calle del Lago. 348 Comment
  UCR151206  Hemizonia paniculata Scott D. White 1999-10-7 7625 Riverside Peninsular Ranges; Perris-Agunanga Basin Region, Menifee / Sun City Area: South of McColl Ave. and east of I-215 freeway 534 Comment
  UCR266357  Hemizonia paniculata D. E. Bramlet 2005-6-28 3884 Riverside Murrieta, Elm St. NE of I-15, just S of I-215 junction 329 Comment
  RSA0080067  Hemizonia pungens subsp. laevis Jeremiah George 2012-7-9 s.n. Riverside San Timoteo Canyon, west side of San Timoteo Canyon Rd., NE corner of Fisherman s Retreat Lake. 597 Comment
  SD10372  Hesperocallis undulata Irma van Gorder 1935-2-24 Riverside Painted Canyon. Comment
  SEINET272329 Image available Hesperocnide tenella A. C. Sanders, O. F. Clark; H. Forster 1997-3-2 19767 Riverside Box Springs Mtns: E side of the range in Pigeon pass area above W end of Quail Call Dr. canyon just W of section line 610 Comment
  CLARK-A1045-1309  Heterocodon rariflorum George K. Helmkamp 1979-6-6 Riverside Wolf Valley Highway S16 south of Murrieta (road to Pala), mile 5; Pechanga 7.5'Q Comment
  SD138018  Heterocodon rariflorum Darin L. Banks, Steve Boyd 1995-3-30 118 Riverside Cleveland National Forest; Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, west of the Dripping Springs Alcove. 710 Comment
  UC191682  Heterocodon rariflorum S. B. and W. F. Parish Jun 1882 1425 Riverside base of San Jacinto Mt. Comment
  SD122196  Heterotheca grandiflora James C. Dice, J. DeWald 1987-9-28 729 Riverside North side of Temecula Gorge, near entrance to field station site, ca. 4.5 km east-northeast of Gavilan Mountain. Occasional weed in disturbed roadside habitats. (IPB 1/07) 330 Comment
  UC63142  Heterotheca grandiflora H. M. Hall 1899-1-1 Riverside vicinity of Riverside Comment
  UCR22205  Heterotheca grandiflora Steve Boyd 1980-9-17 s.n. Riverside Perris Basin, Motte Reserve, 1/2 mi SW of Orange St. 2.5 mi NW of Perris 518 Comment
  RSA735607  Heterotheca sessiliflora subsp. echioides LeRoy Gross, Duncan Bell 2008-9-16 3577 Riverside Garner Valley. West side of, and close to Highway 74. Around 1/4 mile north from Ramona trailhead parking area. 1365 Comment
  RSA0100142  Heuchera hirsutissima Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8584 Riverside Santa Rosa Mountains; collecting on forested slope between forest service road and the summit of Santa Rosa Mountain. 2324 Comment
  POM118516  Hibiscus denudatus Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA515200  Hibiscus denudatus Steve Boyd, Orlando Mistretta 1986-3-13 1474 Riverside West Side Palen Mts: NE of Desert Center; first large canyon at NW tip of western segment of range. Comment
  RSA776963  Hibiscus denudatus Thomas Stoughton, Chrsiti Gabriel, Stephanie Rockwood 2011-3-30 913 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  UCR74358  Hibiscus denudatus Theo Glenn 1991-4-30 91- 56 Riverside Sonoran (Colorado) Desert, McCoy Mtns, NW of Blythe 280 Comment
  POM360445  Hieracium albiflorum E. C. Jaeger 1921-7-3 s.n. Riverside Strawberry Valley, San Jacinto Mts. Comment
  JOTR35984  Hilaria rigida Harding, Mitzi, Mark Wheeler 2012-9-4 195 Riverside Joshua Tree National Park. Pinto Basin; north end of sand ramps west of Pinto Mtn; fine sand ramps and dunes (stop 2) 516 Comment
  CDA27094  Hoffmannseggia glauca Earl Asker 1969-7-2 Riverside Coachella Valley. 0 Comment
  CAS-BOT-BC206105  Hoffmannseggia microphylla John Thomas Howell 1827-1-28 3292 Riverside Painted Canyon [Canon], Colorado Desert Comment
  CLARK-A1656-610  Hoffmannseggia microphylla Lois Ann Scott 1978-1-13 Riverside Indio Hills Comment
  LA45806  Hoffmannseggia microphylla A. M. Johnson; 1933-4-28 4216 Riverside Indian Wells, highway along new mountain highway to Hemet, 2 to 3 mi. up from Palm Springs Comment
  RSA618000  Hordeum depressum R. E. Riefner 1998-6-19 98 -362 Riverside Elsinore Trough between Willard and Murrieta Creek Comment
  SEINET13276723 Image available Hordeum depressum Mitch Provance, Matt Amalong 2015-1 415 -13 Riverside Temecula/Murrieta Region: About 1 mile SW of Winchester, along Leon Rd. in the vicinity of Norma Way and Busby Rd. (Winchester 7.5' Q.) 438 Comment
  UCR110453  Hordeum depressum D. E. Bramlet 1998-4-22 2602 Riverside Peninsular Range, E. French Valley-Domenigoni Valley. 396m E. of Winchester Road and 1.68 km south of Holland Road. The meadow is 61m west of the San Diego canal, in the area of the canal bridge road. 450 Comment
  UCR199636  Hordeum depressum Scott D. White, Justin M. Wood 2008-4-3 11804 Riverside Perris/Elsinore Basin, Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon 'Morgan' Property, Alberhill area 366 Comment
  POM21179  Horkelia clevelandii Fordyce Griffiths Jr. 1908-07 s.n. Riverside Strawberry Valley. 1829 Comment
  JEPS68629  Horsfordia alata Mrs. Ben L. Clary 1930-12-7 Riverside Coral Reef Ranch Coachella Comment
  RSA0042102  Horsfordia alata Duncan S. Bell, LeRoy Gross 2014-3-6 6189 Riverside Santa Rosa Mountains; Toro Canyon on the east side of Martinez Mountain. 259 Comment
  CAS-BOT-BC201089  Hosackia crassifolia Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild Comment
  SD187403  Hosackia crassifolia var. crassifolia R. E. Riefner Jr. 2007-6-16 07 264 Riverside City of Hemet, Bautista Canyon, 2.8 mi east of Fairview Ave. on Bautista Rd. 693 Comment
  UC32859  Hulsea vestita subsp. callicarpha H. M. Hall Jun 1 1901-Jul 1 1901 2313 Riverside near Tahquitz; San Jacinto Mts. 2682 Comment
  UC489000  Hulsea vestita subsp. callicarpha C. V. Meyer 1927-6-1 171 Riverside San Jacinto Mts. Comment
  RSA696759  Hymenoclea salsola J. R. Bruff 1928-4-1 80 Riverside Whitewater Comment
  RSA0054852  Hymenoclea salsola W. Marquart 1938-3-12 s.n. Riverside Twenty mi. West of Blythe. Comment
  JOTR30095  Hymenoclea salsola var. salsola La Doux, Tasha, Alice Miller 2007-5-8 1735 Riverside Joshua Tree National Park. Stop 1: Along Key's View Rd., common. 1385 Comment
  POM225666  Hymenothrix loomisii George Black 1936-11-4 s.n. Riverside Santa Fe Tracks at Southern end of Riverside, Comment
  JEPS66802  Hypericum anagalloides I. W. Clokey and E. G. Anderson 1935-8-21 6833 Riverside N. Fork San Jacinto R. 1500 Comment
  RSA586325  Hypochaeris glabra D. L. Banks, S. D. Boyd 1995-5-3 0190 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
  RSA192190  Hypochaeris radicata E. W. Lathrop 1960-6-6 4827 Riverside 14 miles W. of Murrieta. Comment
  CAS-BOT-BC219760  Hyptis emoryi Marcus E. Jones 1926-1-21 s.n. Riverside Yaqui Well, Colorado Desert Comment
  CAS-BOT-BC219761  Hyptis emoryi Ivan Johnston 1917-4-4 1098 Riverside Near Palm Springs Comment
  CAS-BOT-BC219767  Hyptis emoryi J. Beley 1974-2-21 0430 Riverside 3 1/2 mi North of Benchmark 215 NE of Indio Comment
  RSA420173  Hyptis emoryi M. B. Dunkle 1934-2-25 3849 Riverside Cathedral Canyon. Colorado Desert. 152 Comment
  UC449964  Hyptis emoryi F. M. Reed 1917-5-19 3868 Riverside Palm Canyon; Riverside and Vicinity, Palm Canyon Comment
  UC65007  Hyptis emoryi E. E. Schellenger 25 Riverside Chucawalla Wells; Colorado Desert, Chucawalla Wells Comment
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Jan 23 2012
  UC951156  Hyptis emoryi L. S. Rose 1946-12-27 46308 Riverside Palms-to-Pines Highway 7 mi sw Indian Wells (Dead Indian Creek Wash); sw of Indian Wells 274 Comment
  UCD124918  Hyptis emoryi Geoffrey Levin 1974-3-30 9 Riverside Chino Canyon below the tramway. San Jacinto Mts. Mt. Range. 426 Comment
  UCD126499  Ipomoea triloba T. C. Fuller 1962-10-2 9701 Riverside northwest of Neighbors Blvd. and Ave. 22, 1.4 miles north of Ripley. Comment
  RSA0028827  Isocoma acradenia W. Schlegel, Andrew Troutte, Jordan Zylstra 2008-9-4 20 Riverside San Jacinto and Santa Rosa Mts.: Idyllwild: Along road. Comment
  JEPS30089  Isocoma acradenia var. eremophila Lewis S. Rose 1961-11-23 61062 Riverside La Quinta 15 Comment
  POM13734  Isocoma acradenia var. eremophila E. C. Jaeger 1921-11-10 1158 Riverside Little Palm Canyon. Comment
  POM183991  Isocoma acradenia var. eremophila P. A. Munz 1932-10-16 12849 Riverside Whitewater Creek 152 Comment
  UCR90976  Isocoma menziesii var. vernonioides Scott D. White 1995-12-30 3802 Riverside Perris Basin, SW of Perris, above S bank of San Jacinto River. 442 Comment
  SD68956  Isoetes orcuttii Robert F. Thorne, E. Lathrop, P. Munz 1968-5-8 37567 Riverside Santa Rosa Plateau, Rancho California, vernal marsh on Mesa de Colorado 60 Comment
  UCR246589  Iva axillaris A. C. Sanders 2012-3-22 39990 Riverside Peninsular Range; Elsinore Valley, city of Lake Elsinore, 0.4 km SW (210 deg. ) of intersection of Riverside Dr. and Collier Ave. 385 Comment
  UC76429  Iva axillaris subsp. robustior Miss M. Alice King 1893-4-1 Riverside Menifee Comment
  UC1514814  Ivesia callida K. Berg 1980-7-30 Riverside s ridge Tahquitz Peak; San Jacinto Mountains 2438 Comment
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Mar 15 2017
  RSA227712  Jepsonia parryi Gary D. Cromwell 1972-2-15 709 Riverside Small canyon canyon off Los Alamos Canyon, 8 mi. SSW of Lake Elsinore and unpaved road #7So4, USDA Forest Serv. map, Trabuco Dist., Cleveland Nat. Forest. 488 Comment
  UCR49988  Jepsonia parryi S. J. Myers 1987-10-27 s.n. Riverside Peninsular Range; Santa Ana Mtns., c. 3 mi. west of Temecula, NE portion of Santa Rosa Plateau, 3/4 mi. east of Walker Basin 488 Comment
  SD237479  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37147 Riverside Peninsular Range: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River (Riverside West 7.5'Q) 238 Comment
  CAS-BOT-BC110070  Juncus acutus W. R. Dudley 1903-12-29 612 Riverside Palm Gulch - Palm Springs. Comment
  CAS-BOT-BC110071  Juncus acutus S. B. Parish 1907-4-22 6146 Riverside Western border of the Colorado Desert. Palm Canon [Canyon]. Palm Springs. 200 Comment
  RSA0121457  Juncus acutus subsp. leopoldii Duncan S. Bell, LeRoy Gross 2016-3-30 9137 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
  UC842096  Juncus acutus subsp. leopoldii Ivan Johnston 1917-4-4 1073 Riverside Palm Canyon Colorado Desert 243 Comment
  POM14375  Juncus bufonius Phillip A. Munz 1922-4-29 5063 Riverside 0.5 mile south of Lake Elsinore. Comment
  RSA69674  Juncus bufonius F. W. Peirson 1919-4-14 2845 Riverside Murray Canyon, near Palm Springs. Comment
  RSA776702  Juncus bufonius Steve Boyd, Gary D. Wallace 2005-7-30 11643 Riverside San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2659 Comment
  SD181797  Juncus bufonius Scott D. White 2000-8-5 8109 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeal drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  UCR281107  Juncus bufonius Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 25 Riverside Elsinore Trough, Periodic eastern shoreline of Lake Elsinore (e.g. 1994), in the City of Lake Elsinore, +- at the borderline with the Sedco Hills Neighborhood of the City of Wildomar, in open space along west side of Mission Trail at Lewis St. 387 Comment
  UCR138616  Juncus bufonius var. occidentalis L. C. Wheeler 1974-6-8 s.n. Riverside San Jacinto Mountains, 0.25 mi NW of Tool Box Spring, Thomas Mountain 1829 Comment
  POM12662  Juncus duranii Phillip A. Munz 1922-9-6 6374 Riverside Hidden Lake, San Jacinto Mountains. 2637 Comment
  GMDRC6564  Juncus macrophyllus J. M. Andre 2012-6-15 30519 Riverside San Jacinto Mountains: along Hwy 243, 8.6 mi. south of Interstate 10 (Banning), just northeast of Hungry Hollow and Poppet Flat; SB Natl. Forest 1309 Comment
  UCR164296  Juncus rugulosus S. J. Myers 2001-7-16 s.n. Riverside Peninsular Range; San Jacinto Mtns, Bautista Canyon 951 Comment
  CHSC23887  Juncus tiehmii R. F. Thorne 1969-6-24 38115 Riverside San Bernardino National Forest, San Jacinto Mts.: Above James Reserve in Hall Canyon. 1676 Comment
  RSA696125  Juncus torreyi A. C. Sanders, Mark A. Elvin, Jane Rodgers 2001-8-17 24598 Riverside Mojave Desert, Little San Bernardino Mtns.: Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airline) SW from park road in Lost Horse Valley 1341 Comment
  UCR174172  Juncus xiphioides A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32582 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  CAS-BOT-BC234564  Justicia californica N. Aitkenhead 1977-2-2 2105 Riverside ~1 mi from J T Mon Rd. & pipeline junction Comment
  JEPS9188  Justicia californica John Thomas Howell 1928-1-30 3306 Riverside 2 mi. e. Shaver's Well; Colorado Desert Comment
  RSA782280  Justicia californica R. W. Spjut 2008-2-29 16210 Riverside Sonoran Desert. BLM: Red Cloud Road just west of Desert Center, about 8 miles SE of I-10 along Red Cloud Road, Chuckwalla Bench 570 Comment
  UCD121633  Justicia californica Anne Harrison 1962-4-17 29 Riverside Santa Rosa Mountains, State Highway 74. Mountainside overlooking Deep Canyon to the east and Palm Desert to the north. 457 Comment
  UCD166270  Justicia californica Jack Major 1962-4-17 785 Riverside On CA HWY 74 from Pinyon Flat to Palm Desert. (Exact location unknown. Coordinates estimated by label maker.) 435 Comment
  UCR250312  Keckiella antirrhinoides A. C. Sanders 2014-4-8 40977 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
  UCSB17553  Keckiella antirrhinoides Otey, D. 1963-5-4 Riverside Banning to Idyllwild Road; 2.5 miles south of Banning 853 Comment
  CAS-BOT-BC236728  Keckiella antirrhinoides subsp. microphylla Philip A. Munz 1937-5-29 15149 Riverside Deep Canyon, north slope of Santa Rosa Mts. 1066 Comment
  LA209283  Keckiella antirrhinoides var. antirrhinoides W. E. Pequegnat; 1939-4-8 21 Riverside Santa Ana Mts Comment
  LA209287  Keckiella antirrhinoides var. antirrhinoides Anna Lang; 1971-4-19 sn Riverside San Timoteo Badlands; slope near roadcut along Redlands Blvd 640 Comment
  NY786537  Keckiella antirrhinoides var. antirrhinoides F. W. Pennell 1940-4-28 25290 Riverside Route 74, below Ribbonwood, east of San Jacinto Range 1402.1 Comment
  UCR141458  Keckiella cordifolia June Latting 1973-6-30 s.n. Riverside Santa Ana Mountains, off Skyline Drive above Corona on Sierra Peak Road, near Orange Co. line 915 Comment
  UCSB26203  Keckiella ternata Gliessman, Stephen 1968-7-17 Riverside on north side of Little Thomas Mountain Road; 2.6 miles north of junction with Highway 74 1524 Comment
  SBBG11771  Keckiella ternata subsp. ternata D. E. Breedlove 1961-8-5 939 Riverside Riverside Hwy 1, 0.2 mi SW of Fuller Mill Crk 1645 Comment
  UCR275211  Kochia scoparia A. C. Sanders, Karen Kirtland 2016-9-23 42629 Riverside San Jacinto Valley, edge of Mystic Lake at duck hunting ponds below abandoned dairy south of Gilman Springs Rd. between Jack Rabbit Tr. and Eden Hot Springs Rd. 434 Comment
  POM353056  Koeleria macrantha N. C. Cooper 1944-3-24 1044 Riverside Banning. 701 Comment
  CAS-BOT-BC61419  Krameria bicolor Ivan Johnston 1917-4-4 1097 Riverside Mouth of Andreas Canyon Comment
  CAS-BOT-BC61435  Krameria bicolor Carl B. Wolf 1932-4-29 3099 Riverside Eastern Colorado Desert. W. edge of Maria Mts. 17 mi. from Blythe on Rice Road 152 Comment
  HSC47328  Krameria bicolor R. W. Spjut, C. E. Edson 1978-5-6 5028 Riverside Colorado Desert, N face of Chuckawalla Mtns., 2.7 mi. S of Desert Center 335 Comment
  RSA408608  Krameria grayi Cora Kramer 1929-3-17 1957 Riverside S La Quinta. Comment
  SEINET189692  Krameria grayi Annie M. Alexander, L Kellogg 1941-5-14 2166 Riverside Near Shaver Summit 503 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
  CLARK-A1528-69  Lamarckia aurea C. M. Flanagan 1973-4-14 OO 108 Riverside Sunnymead 579 Comment
  RSA715936  Lamarckia aurea Scott D. White, Angelia Carey 2004-4-5 10036 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR100631  Lamarckia aurea A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19893 Riverside Lake Skinner area, upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley 595 Comment
  RSA696978  Langloisia schottii Keith E. Hoffmaster 1935-3-31 s.n. Riverside Palm Springs Comment
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Aug 27 2011
  UCR72383  Langloisia schottii Theo Glenn 1991-5-8 91- 82 Riverside Sonoran (Colorado) Desert, Big Maria Mtns, north of Blythe 378 Comment
  RSA469608  Langloisia setosissima subsp. setosissima Robert Gustafson 1983-3-27 2482 Riverside Near mouth of fairly steep-walled canyon southwest of Lake Cahuilla Comment
  CLARK-A1528-4433  Larrea tridentata John C. Roos 1948-5-8 3817 Riverside Whitewater Canyon 548 Comment
  RSA390032  Larrea tridentata E. A. McGregor 1966-3-21 s.n. Riverside Near Indio. Comment
  UC1282040  Larrea tridentata Theodore J. Crovello 1963-12-14 263 Riverside w of Salton Sea (along U.S. Hwy 99, 24.7 mi n of intersection with Calif Hwy 78) -30 Comment
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Jun 15 2013
  POM361561  Lasthenia coronaria Ora M. Clark 1929-3-16 1698 Riverside South Cabazon. Comment
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Mar 13 2011
  RSA606368  Lasthenia coronaria Jon E. Keeley 1994-4-7 25292 Riverside Shipley Reserve, study site Sh4. S of Hemet, S end of Rawson Road 660 Comment
  UCR88736  Lasthenia coronaria A. C. Sanders 1995-4-13 16498 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Devil's Garden, E end of the mtns., 2.1 mi west of Hwy 62 on Pierson Avenue and dirt extension, 1.7 mi above Sierra Blvd. 793 Comment
  UCR97899  Lasthenia coronaria A. C. Sanders 1997-3-1 19710 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  SEINET6413739  Lasthenia glabrata subsp. coulteri R. Spellenberg 2014-5-7 14776 Riverside S of Moreno valley, 1.6 km N of Ramona Expressway on Davis Road, toward San Jacinto Wildlife Area. 435 Comment
  UC217922  Lasthenia glabrata subsp. coulteri P. A. Munz 1922-4-15 4990 Riverside near Moreno; San Jacinto Lake Comment
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Mar 20 2011
  RSA617151  Lasthenia gracilis A. C. Sanders, C. L. Sanders, E. J. Lawlor 1996-4-21 18070 Riverside Morongo Indian Reservation, grounds of Malki Meseum, NE of Banning. 732 Comment
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Sep 10 2011
  RSA728143  Lasthenia gracilis Daphne K. Christopher, Hannah Stevens, Zach Princip 2003-4-7 113 Riverside Santa Rosa Plateu Nature Conservancy Preserve. Tenaja Truck Road. 610 Comment
  SBBG7750  Lasthenia gracilis H. and M. Dearing 1942-3-7 4815 Riverside near Whitewater Wash, Cathedral City Comment
  UCR140303  Lasthenia gracilis A. C. Sanders 2004-4-9 27461 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
  UCR199640  Lasthenia gracilis Scott D. White, Justin M. Wood 2008-4-3 11796 Riverside Perris/Elsinore Basin, Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon 'Morgan' Property, Alberhill area 366 Comment
  CLARK-A1656-646  Lathyrus vestitus Lois Ann Scott 1978-5-19 Riverside Santa Rosa Mountains 1523 Comment
  RSA406642  Lathyrus vestitus subsp. alefeldii N. C. Cooper 1945-5-24 1637 Riverside Big Oaks Canyon, Banning. 1219 Comment
  RSA0014946  Lathyrus vestitus var. vestitus LeRoy Gross, Evan Meyer 2013-5-21 6113 Riverside West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley., Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near [coordinates given.] 1631 Comment
  JOTR31073  Layia glandulosa La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2336 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west of Ryan Mountain; Gravelly flats near Ryan Mountain campground (Stop 1) Comment
  POM30576  Layia glandulosa Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  UC62902  Layia glandulosa H. M. Hall 1902-4-1 2900 Riverside vicinity Winchester 762 Comment
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Mar 20 2011
  PASA2317  Layia platyglossa Margaret Stason 1931-5-24 Riverside San Jacinto Mts. Between Idyllwild and Hurkey Creek Comment
  UCR3424  Layia platyglossa John Kitasako 1964-5-10 45268 Riverside Peninsular Range; San Jacinto Mtns., Hemet Valley, 6 mi SE of Hemet Reservoir 1372 Comment
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Jan 7 2013
  UCR84637  Layia platyglossa Scott D. White, S. Ogg 1994-4-21 1989 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  POM361704  Layia platyglossa subsp. campestris Ora M. Clark 1929-4-6 1941 Riverside South of Hemet. Comment
  RSA586313  Lemna minuta Darin L. Banks, Steve Boyd 1995-5-3 224 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA769623  Lepechinia E. W. Lathrop 1973-6-28 7440 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  SD140147  Lepidium dictyotum var. dictyotum A. C. Sanders 1993-4-5 13684 Riverside Western edge of Hemet, along south side of Devonshire Avenue between Old Warren and Warren Roads (Highway 54) 459 Comment
  RSA162736  Lepidium fremontii J. D. Olmsted 1958-4-29 78 Riverside Transition zone with interior drainage into Pinto Basin 5 miles N of Jct betw Cottonwood Pass and Cottonwod Spring Roads on the former, with become Pinto Basin road, Joshua Tree National Monument. 732 Comment
  RSA429909  Lepidium fremontii J. Ewan 1931-4-3 4121 Riverside 20 miles E of Beal Well, Colorado Desert. Comment
  UCR239906  Lepidium lasiocarpum O. F. Clarke 2004-4-16 s.n. Riverside Peninsular Range, eastern edge of Riverside; Box Springs Mtns, North Loop Trail near Two Trees Canyon 701 Comment
  UCR121801  Lepidium latipes A. C. Sanders, Carolyn Washburn 2001-4-17 24053 Riverside San Jacinto Valley, southwest edge of Hemet, north of Stetson Av. midway between Warren Rd. and California Av., east of canal 457 Comment
  RSA734993  Lepidium nitidum Justin M. Wood 2008-2-4 3 Riverside Liberty Quarry, W. of 15 freeway near the Rainbow exit. 366 Comment
  UCR199709  Lepidium nitidum Justin M. Wood 2008-2-4 03 Riverside Santa Ana Mountains, Liberty Quarry, west of fwy 15 near the Rainbow exit 701 Comment
  UCR116378  Lepidium strictum A. C. Sanders 2001-3-17 23832 Riverside Upper Santa Ana River Basin, Riverside, Reid Park on Orange St. in the northern part of town, east of North Main St. 253 Comment
  UCR241768  Lepidium strictum A. C. Sanders 2013-4-9 40785 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland, along SCE powerline route east of I-215, parallel to McLaughlin Rd., near intersection of McLaughlin and Dawson Rd., SE of Perris 439 Comment
  RSA740074  Lepidium virginicum var. pubescens Scott D. White, Justin M. Wood 2008-6-16 12137 Riverside Meadow at Quinn Flat. 1378 Comment
  RSA613632  Lepidium virginicum var. robinsonii D. L. Banks, Victor Steinmann 1997-3-13 1485 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
  SD148197  Lepidium virginicum var. robinsonii A. C. Sanders, T. B. Salvato 2001-5-3 24082 Riverside Hemet, southeast corner of State Street at Gibbil, 1712 ft. hill at east end of Diamond Valley. 494 Comment
  UCR214323  Lepidium virginicum var. robinsonii A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38383 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  UCR176671  Leptochloa uninervia G. S. Nuessly 1980-10-19 s.n. Riverside Moreno Valley, U.C. Riverside, Moreno Field Station, east of Lasselle St. 457 Comment
  RSA36204  Leptosiphon androsaceus Frank W. Gould 1943-4-18 2149 Riverside On steep grassy slopes 1 mile west of Banning; foothills of the San Jacinto Mountains. Comment
  RSA0103570  Leptosiphon floribundus subsp. floribundus Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8587 Riverside Santa Rosa Mountains; collecting on forested slope between forest service road and the summit of Santa Rosa Mountain. 2324 Comment
  CAS-BOT-BC227049  Leptosiphon floribundus subsp. glaber Frank W. Peirson 1922-4-28 946 Riverside Leach Canon [Canyon], Elsinore Region Comment
  SD262349  Leptosiphon parviflorus Mitch Provance, Jeramiah George, Matt K. Beyers, John Hazlett 2017-3-27 317 47 Riverside Temescal Valley: East end of Concordia Ranch Rd., open space adjacent to east side of the equipment yard. (Alberhill 7.5'Q) 390 Comment
  UCSB9519  Leptosyne douglasii Wedberg, H. 1957-3-22 Riverside State Hwy. 71, Alberhill Comment
  CDA20358  Lessingia glandulifera B. Blong 1958-9-12 s.n. Riverside Southern California; Garner Valley. 0 Comment
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Oct 24 2011
  RSA595917  Lessingia glandulifera var. glandulifera D. L. Banks, Lauren Raz 1996-11-5 1176 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; Along the main road in the Reservation, approximately 20 m E of its intersection with Pechanga Creek. 393 Comment
  RSA740921  Lessingia glandulifera var. glandulifera Justin M. Wood, Brandy N. Ulrich 2008-7-14 16 Riverside Garner Valley, near intersection of Fobes Ranch Rd and Hwy 74. 1348 Comment
  SBBG27981  Lessingia glandulifera var. glandulifera J. T. Howell 1927-8-2 2929 Riverside rd to Hemet, Mt San Jacinto Comment
  RSA126644  Leymus condensatus H. S. Yates 1937-6-27 6712 Riverside Lower San Jacinto River Canyon. 640 Comment
  UCD87589  Leymus triticoides P. B. Kennedy 1915-1 s.n. Riverside Wineville. Comment
  RSA632469  Ligustrum Scott D. White 1998-6-17 6753 -A Riverside Along Gavilan Rd. or Santa Rosa Mine Rd., ca. 7 miles survey route from Gavilan/Cajalco Rd. jtn. south and east to Santa Rosa Mine/Post Rd. jtn. 488 Comment
  CAS-BOT-BC451634  Lilaea scilloides Robert F. Thorne; Earl Lathrop 1969-5-12 37922 Riverside Santa Rosa Plateau: on S end of Mesa de Colorado, Rancho California. 624 Comment
  UC3725  Lilium parryi H. M. Hall 1897-8-11 798 Riverside San Jacinto Mt. 1828 Comment
  UCR119809  Limosella acaulis A. C. Sanders, T. B. Salvato, E. J. Lawlor, C. L. Sanders, et al 1999-8-22 23066 Riverside San Jacinto Mtns., NW shore of Lake Hemet, at Forest Service day use area 1322 Comment
  UCR79274  Linanthus androsaceus subsp. luteolus Steve Boyd, T. S. Ross 1992-5-5 7241 Riverside Southern Santa Ana Mtns., San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail 793 Comment
  UCR68612  Linanthus bigelovii Steve Boyd, A. C. Sanders, M. Skinner 1990-4-28 4455 Riverside Peninsular Range, Vail Lake Area. east of USFS Dripping Springs Campground along Arroyo Seco Creek, south of Hwy 79. 518 Comment
  RSA480084  Linanthus filiformis Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2173 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  RSA704587  Linanthus jonesii LeRoy Gross 2005-3-3 1587 Riverside Palen Mountains, south side. Near end of old prospect road., [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  RSA761099  Linanthus lemmonii Thomas Stoughton, J. McConnaughy, Andrew Monks, M. Volke 2010-3-31 116 Riverside PCT Trail. W of White Water Canyon. N of jct of I-10 and Rte 111. 740 Comment
  UC23674  Linanthus lemmonii H. M. Hall Jun 1901 2062 Riverside s side San Jacinto Mts. 1584 Comment
  UC1532825  Linanthus liniflorus Robert F. Thorne, C. W. Tilforth, L. DeBuhr and E. Lathrop 1975-8-29 47303 Riverside Rancho California Santa Rosa Plateau, Mesa de Burro 609 Comment
  UCR176577  Linanthus nuttallii Joseph Cahill 1998-5-26 15- 03 Riverside Peninsular Range; Santa Ana Mtns., above Lake Elsinore, [near El Cariso Guard Station] just outside Cleveland National Forest 808 Comment
  CLARK-A1528-4218  Linaria canadensis var. texana John C. Roos 1938-4-4 733 Riverside La Sierra Comment
  RSA657232  Loeflingia squarrosa J. M. Porter 2001-4-2 12328 Riverside Coachella Valley, Desert Hot Springs, S of Big Morongo Wash, along Indian Ave, just S of the jtn. with Pierson Avenue. 396 Comment
  RSA775723  Loeseliastrum matthewsii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 958 Riverside Dune system along Midland Rice Road, South of Arica Mountains. 305 Comment
  SD185138  Logfia depressa A. C. Sanders, P. J. MacKay, et al. 1997-2-8 19675 Riverside Palm Springs, Indian Avenue at Las Vegas Road, below mouth of Chino Canyon. 188 Comment
  UCR243127  Logfia gallica Kate Kramer 2012-5-8 258 Riverside Peninsular Range; San Jacinto Mountains, c. 0.25 km east of National Forest Land boundary on north side of Hwy 74 near the Cranston Fire Station 575 Comment
  UC1784026  Lolium perenne John R. Reeder and Charlotte G. Reeder 1988-3-9 8249 Riverside Indio, near Motel 6 6 Comment
  UCR54310  Lolium perenne Frank C. Vasek 1956-6-12 s.n. Riverside Riverside: Hwy 60, 1.05 mi east of Chicago Ave. on the University of California, Riverside campus Comment
  POM356978  Lolium temulentum N. C. Cooper 1944-5-6 1171 Riverside Banning. 701 Comment
  POM15043  Lomatium dasycarpum subsp. dasycarpum Mary F. Spencer 1922-4-25 s.n. Riverside Lamb Canyon Pass, Banning. Comment
  CLARK-A1528-1447  Lomatium utriculatum John C. Roos 1952-2-29 5365 Riverside Reche Canyon 426 Comment
  UCR256753  Lomatium utriculatum T. B. Salvato, Matthew Malle 2013-4-15 7542 Riverside Gavilan Hills, dirt SCE powerline access road east of Lake Street and northwest of Hilltop Drive. 0.83 mi north-northeast of the junction of Lake Street and Hwy I-15 478 Comment
  POM320781A  Lomatium vaginatum M. A. Clauser 1966-3-17 433 Riverside Temecula. 305 Comment
  JEPS24238  Lonicera interrupta Peter H. Raven 1958-5-17 12950 Riverside 7.4 mi se Banning (on road to Idyllwild); San Jacinto Mountains Comment
  RSA406727  Lotus argophyllus var. argophyllus P. J. Remple 1942-3-21 s.n. Riverside Whitewater Canyon. 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
  UCR121677  Lotus hamatus Ian G. Gillespie, Abby Sirulnik 2000-5-7 35 Riverside Temescal Valley, 0.9 mi SE of Indian Truck Trail and 40 m SW of DePalma Road, directly across from Corona Lake 396 Comment
  UC207658  Lotus heermannii F. M. Reed 1917-5-19 3874 Riverside vicinity Riverside; Colorado Desert, Palm Canyon Comment
  UCR29722  Lotus heermannii Wende Rehlaender 1983-5-28 118 Riverside San Jacinto Mtns, Strawberry Creek, below Hwy 74, about 8.5 mi along road from Valley Vista; 3.5 mi SW of Idyllwild, 3.5 mi NW of Baldy Mtn Comment
  UC15661  Lotus nevadensis var. nevadensis H. M. Hall Jul 1901 2337 Riverside vicinity Deer Springs; San Jacinto Mountains 2743 Comment
  UCR135983  Lotus purshianus A. C. Sanders, Kerry Knudsen, T. B. Salvato 2004-5-18 27905 Riverside Peninsular Range, Alberhill Mountain, around dried pool in bottom of a large clay pit 445 Comment
  UCR82615  Lotus purshianus A. C. Sanders, O. F. Clarke, M. Alexander 1994-1-1 14225 A Riverside San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  SEINET3563106 Image available Lotus rigidus Leila M. Shultz, John S. Shultz 1985-4-18 8331 Riverside Chuckawalla Mountains, 1 mile west of Astec Well, 11.7 miles south of I-15 616 Comment
  UCR142852  Lotus rigidus M. B. Dunkle 1935-3-31 4438 Riverside Sonoran (Colorado) Desert, Cottonwood Mtns., Cottonwood Springs [Canyon] '2300 ft. 915 Comment
  UCSB16928  Lotus rigidus Dennis E. Breedlove 1962-3-11 1893 Riverside collected 8.0 mi SW, along State Highway 74 Palm Desert - Palm Desert and State Highway 74 640 Comment
  RSA735321  Lotus salsuginosus var. brevivexillus Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11254 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  RSA522736  Lotus strigosus Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3842 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
  RSA779588  Lotus strigosus Duncan S. Bell 2009-3-7 20 Riverside Arica Mountains: collecting on the ridgeline of the mountain range just north of the summit along the border of the Palen/McCoy Wilderness area. 614 Comment
  RSA781657  Lotus strigosus Duncan S. Bell 2009-3-8 78 Riverside Arica Mountains: northwest side of mountain range approximately 3.2 air miles northwest of Priest Well or approximately 6.5 air miles southwest of the ghost town of Rice. 513 Comment
  RSA627576  Lotus strigosus var. hirtellus Scott D. White, Julia Greene 1998-8-1 6970 Riverside Idyllwild Area: Roadside uplands and meadows within residential community above/parallel to E bank of Strawberry Creek between crossing at Circle Drive and Humber Park. 1829 Comment
  RSA406334  Lotus strigosus var. strigosus E. Crow 1929-2-24 179 Riverside Near Cabazon, NW Colorado Desert Comment
  UCR245962  Lotus strigosus var. tomentellus Duncan S. Bell 2009-3-8 78 Riverside Arica Mountains, NW side of range, c. 3.2 air miles NW of Priest Well, or c. 6.5 air miles SW of ghost town of Rice 513 Comment
  RSA406374  Lotus tomentellus N. C. Cooper 1936-1 2164 Riverside West side of Colorado Desert. 30 Comment
  RSA413539  Lupinus N. C. Cooper 1949-4-9 3344 Riverside North of Blythe. 244 Comment
  UC998915  Lupinus H. J. Fuller 1942-4-18 Riverside near Mecca (Mojave Desert); , near Mecca Comment
  UC454633  Lupinus albifrons I. J. Condit 1910-6-22 Riverside San Jacinto Mt. 2438 Comment
  RSA769615  Lupinus albifrons var. eminens E. W. Lathrop 1974-6-4 7404 Riverside 3 miles southwest of Corona, Cleveland National Forest, Trabuco District 274 Comment
  RSA550275  Lupinus arizonicus Walter Wisura, John Dolan, Michael Wall 1992-3-24 4621 Riverside 5.5 mi NE of Mecca on Box Canyon Rd. Comment
  RSA748592  Lupinus arizonicus Scott D. White, Justin M. Wood 2009-4-28 12612 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  SBBG38558  Lupinus arizonicus E. R. Blakley 1966-4-9 6755 Riverside 1 mi W of Desert Center on US Hwy 60-70 274 Comment
  RSA711767  Lupinus bicolor A. C. Sanders, Kelly Volansky 2005-3-17 29231 Riverside Perris-Aguanga Basin Region: French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., ca. 0.5 mi. NE of Adobe Springs, near San Diego Aqueduct. 412 Comment
  SBBG104647  Lupinus bicolor M. A. Patten 1992-5-14 92 -8 Riverside just N of Cherry Park Drive between Mtn View Avenue and Beaumont Avenue, Cherry Valley Comment
  UC1212156  Lupinus bicolor David Dunn 1941-3-29 932 Riverside two mi w Corona; w of Corona Comment
  UCR41216  Lupinus bicolor N. M. Fellows, A. C. Sanders 1985-4-9 135 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
  UCR84615  Lupinus bicolor Scott D. White, S. Ogg 1994-4-21 2000 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  RSA562462  Lupinus bicolor subsp. marginatus Steve Boyd, T. S. Ross 1992-5-5 7229 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail 732 Comment
  POM157897  Lupinus bicolor subsp. microphyllus Philip A. Munz 1927-5-21 10895 Riverside Coahuila Valley. 1372 Comment
  RSA414457  Lupinus brevior Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  JOTR33953  Lupinus concinnus La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2839 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; sandy wash and gravelly benches with bouldery granitic outcrops Comment
  JOTR35469  Lupinus concinnus Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 72 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W. of Juniper Flats (stop5) 1493 Comment
  RSA0123382  Lupinus concinnus Duncan S. Bell, Thomas Stoughton 2016-4-14 9294 Riverside Santa Rosa Mountains; near the head of Deep Creek and near the trailhead of the Cactus Spring Trail, at an old mining area above this trail. 1219 Comment
  OBI34814  Lupinus excubitus F. C. Vasek 1978-4-28 s.n. Riverside N of Round Mtn (SE Hesperia) Bowen Ranch rd, slope above Arrastre Wash 1097 Comment
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Jun 23 2013
  UCR23933  Lupinus excubitus John C. Roos 1943-5-23 2665 Riverside Southern Mojave Desert; Little San Bernardino Mtns., Joshua Tree National Monument 1524 Comment
  JEPS65129  Lupinus excubitus var. austromontanus W. L. Jepson 1901-5-19 1312 Riverside Strawberry Valley Mt. San Jacinto, Strawberry Valley 1676 Comment
  RSA552730  Lupinus formosus var. formosus Steve D. Boyd, Tim S. Ross, Orlando Mistretta 1992-3-31 6752 b Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 671 Comment
  SD187407  Lupinus hirsutissimus Scott D. White, Angelia Carey 2004-4-16 10194 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes 548 Comment
  UCR16244  Lupinus hirsutissimus H. C. Sharma 1976-4-25 760425- 02 Riverside San Jacinto Mtns., on Idyllwild - Banning Road. 915 Comment
  UCSB36644  Lupinus microcarpus var. densiflorus Brownell, K. 1980-5-17 Riverside 4 mi. S on Tenaja Rd. from Calle Colina, Santa Ana Mts. Comment
  RSA0003356  Lupinus microcarpus var. densiflorus Mary F. Spencer 1920-4-11 96 Riverside Palm Springs. Comment
  RSA6086  Lupinus pallidus Carl B. Wolf 1932-5-25 3669 Riverside San Jacinto Mountains. 1/2 mile below Fish Hatchery, lower edge of upper Sonoran zone, Snow Creek, north base of mountains. 549 Comment
  OBI42678  Lupinus sparsiflorus B. Pitzer & K. Kirtland, K. Kirtland 1986-5-20 224 Riverside Butterfield State Ranch development, in the hills on the N side of Pauba Valley, in the Rancho Calif Area, 1mi S of Buck Mesa on the E side of Butterfield State Rd T7S, R2W, sec 36 457 Comment
  UC68635  Lupinus sparsiflorus H. M. Hall Apr 1905 5891 Riverside Chuckawalla Springs; Colorado Desert, Chuckawalla Springs Comment
  UCR225610  Lupinus sparsiflorus A. C. Sanders 2011-3-29 38833 Riverside Peninsular Range; Edge of Gavilan Hills, Meadowbrook area, between Perris and Lake Elsinore, along Hwy 74 near Crumpton Rd. 495 Comment
  POM254322  Lupinus sparsiflorus subsp. sparsiflorus Philip A. Munz 1940-3-24 15710 Riverside 2 miles north of Cottonwood Springs, Eagle Mountains. 915 Comment
  RSA516430  Lupinus sparsiflorus subsp. sparsiflorus Walter Wisura, Bart O'Brien, T. Hayduk 1990-5-2 4438 Riverside along For. Rd. 3S04 btw. Ortega Hwy and Santiago Peak, Santa Ana Mts. Comment
  CLARK-A1045-883  Lupinus truncatus George K. Helmkamp 1978-6-1 #1 Riverside Santa Ana Mountains roadside; Wildomar 7.5'Q Comment
  UCR87979  Lupinus truncatus G. P. Schultz 1994-3-13 s.n. Riverside Box Springs Mountains, slope above Big Springs Canyon. Comment
  CAS-BOT-BC231413  Lycium andersonii Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2178 Riverside Palen Pass at the N. end of the Palen Mtns. 500 Comment
  JOTR35141  Lycium andersonii La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 3253 Riverside Joshua Tree National Park. West Cottonwood Mountains; rocky bench between deep drainages in large southwest facing canyon feeding into east Pinkham Wash (Stop 3) Comment
  RSA525671  Lycium andersonii Steve D. Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4542 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  UCR244441  Lycium cooperi Jim Andre 2012-4-16 20932 Riverside Mojave/Sonoran Desert Transition, Joshua Tree National Park; along Cottonwood Springs Rd, 2.4 mi. north of Cottonwood Visitor's Center 956 Comment
  CAS-BOT-BC231641  Lycium fremontii John Thomas Howell 1928-3-24 3530 Riverside Painted Canon [Canyon], Colorado Desert Comment
  UCR101460  Lythrum californicum A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22238 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of lower Millard Canyon 854 Comment
  UCR124137  Lythrum californicum Steve Boyd, T. S. Ross 1989-8-28 3791 Riverside Peninsular Range, Vail Lake area, Temecula Creek at confluence w/ the lake & adjacent sedimentary hills to the east. 488 Comment
  RSA388409  Lythrum hyssopifolia Robert F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61171 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 534 Comment
  SEINET269471  Lythrum hyssopifolia Scott D. White, Steve Ogg 1994-10-17 2473 Riverside Temecula Murrieta Creek 1000 ft. west of Winchester Rd. bridge. 310 Comment
  UCR121335  Machaeranthera asteroides A. C. Sanders, Mark Elvin, Vipul Joshi 2002-4-26 25036 Riverside The Badlands, west fork of Laborde Canyon near old rocket test facility 622 Comment
  OBI5742  Malacothamnus fasciculatus subsp. fasciculatus Charlotte M. Wilder June1904 35 Riverside Wilder's Canon Jurupa hills Comment
  POM12044  Malacothrix californica Mary F. Spencer 1921-4-16 406 Riverside Banning 701 Comment
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Mar 13 2011
  CAS-BOT-BC347685  Malacothrix glabrata Carl B. Wolf 1932-4-27 3028 Riverside Colorado Desert. Mecca - Blythe Road. 3/4 mi. West of Utopia 152 Comment
  RSA33571  Malacothrix glabrata N. C. Cooper 1944-3-25 1021 Riverside Cabazon. 457 Comment
  RSA645613  Malacothrix glabrata Scott D. White, Steve Ogg 1994-4-21 1986 Riverside Millard Canyon, near stream crossing w/ USFS Road 2S05, +/-4 miles south of Bear Wallow Spring. 915 Comment
  RSA779622  Malacothrix glabrata Duncan S. Bell 2010-4-1 656 Riverside Arica Mountains: east side of the mountain range, west side of Rice Valley, near the lowest eastern drainage point for the Arica mountains; approximately 4.3 air miles southeast of the ghost town of Rice. 209 Comment
  UCR244316  Malacothrix glabrata Jim Andre 2012-4-16 20891 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd., 1.0 mi. north of south entrance to J.T.N.P. 584 Comment
  SD193212  Malosma laurina A. C. Sanders, Kelly Volansky 2005-8-31 31593 Riverside Santa Ana Mountains Region: Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Road., ca. 0.5 mile north of Tenaja Rd. 671 Comment
  SD260975  Malvella leprosa A. C. Sanders, Karen Kirtland 2016-9-23 42630 Riverside San Jacinto Valley: edge of Mystic Lake at duck hunting ponds below abandoned dairy south of Gilman Springs Rd. betweeen Jack Rabbit Tr. and Eden Hot Springs Rd. 434 Comment
  UCR278868  Malvella leprosa Mitch Provance 2011-6-9 17196 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
  SBBG59860  Marah macrocarpa S. Boyd, T. Ross, L. Arnseth, J. Bonilla 1990-4-2 4011 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, Hwy 79, E of USFWS Dripping Springs Guard Station 487 Comment
  UCR107886  Marah macrocarpa B. G. Pitzer 1997-3-23 2984 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
  UCR97675  Marah macrocarpa A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19909 Riverside Lake Skinner area, upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley 595 Comment
  JOTR29082  Marina parryi La Doux, Tasha 2005-3-30 1199 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  RSA550334  Marina parryi Walter Wisura, John Dolan, M. Wall 1992-3-25 4654 Riverside Lowdesert: 9.6 miles S of Wileys Well toward Hwy 78 Comment
  RSA91429  Marina parryi F. W. Peirson 1921-3-23 2383 Riverside Deep Canyon Wash, 12 miles southeast of Palm Spring 229 Comment
  UCR96204  Matelea parvifolia A. C. Sanders, G. Helmkamp, O. Clarke, B. Pitzer 1996-11-9 19648 Riverside Sonoran (Colorado) Desert, Orocopia Mtns., near 'Bob's Cabin', 5 mi. (air) south of Hayfield Pump Sta., east of Maniobra Valley, central section of arroyo (N of peak 2552 to Bench Mark 1899) 610 Comment
  CAS-BOT-BC348066  Matricaria discoidea A. C. Sanders; T. B. Salvato 2011-3-28 38810 Riverside Peninsular Range; Perris-Aguanga Basin Region: Menifee Valley, between Sun City and Perris, from McLaughlin & Evans roads intersection east to I-215 Fwy 434 Comment
  UCR179766  Matricaria occidentalis R. E. Riefner Jr. 2004-6-27 04- 221 Riverside Paloma Valley; along Scott Road, in general vicinity of Leon Road 435 Comment
  UCR178342  Meconella denticulata Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 1060 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  UCR172233  Medicago polymorpha John F. Green 2006-5-10 s.n. Riverside Peninsular Ranges, City of Murrieta; south of the Hogbacks. north of Hunter Road to Ramage Lane, between Calle de Amor on the E and Springview/Kiwebre Road on the W 402 Comment
  RSA85571  Medicago polymorpha var. brevispina J. C. Roos 1952-4-9 5487 Riverside Fairmount Park. 259 Comment
  SEINET7048164  Melica frutescens Steven R. Hill 2001-5-3 33666 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
  RSA403496  Melica imperfecta Ora M. Clark 1929-3-16 1701 Riverside South Cabazon. Comment
  RSA753930  Melica imperfecta W. Schlegel, Andrew Trouette, Jordan Zylstra 2009-4-16 28 Riverside Idyllwild, Garner Valley. Comment
  UC818873  Melica imperfecta P. A. Munz and I. M. Johnston 1922-5-21 5500 Riverside near Kenworthy (Hemet Valley); San Jacinto Mts., Hemet Valley 1402 Comment
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Mar 25 2011
  SD217288  Melilotus albus Steve Boyd, Tim Ross & Orlando Mistretta 1992-2-2 6630 Riverside Upper San Mateo Canyon between confluence of Tenaja Canyon and Los Alamos Canyon Comment
  CDA4200  Melilotus indicus Bob Rose 1964-3-11 Riverside IKI Farms, Mecca Heights, ca. 2 miles north of the Salton Sea, Coachella Valley. 0 Comment
  CSUSB1112  Melilotus indicus Eric Trubschenck 1972-5-8 6 Riverside Undeveloped lot on northeast corner of Park and 7th Streets. 271 Comment
  SD126627  Melilotus indicus Ed LaRue 1989-4-21 129 Riverside Moreno Valley, University of California agricultural experimental farms, 0.5 mile south of Alessandro Blvd at northeast corner of Cactus Avenue and Nason Street. Comment
  RSA10092  Mentha canadensis F. M. Reed 1903-8-29 308 Riverside River bottom near Chinatown Ford Comment
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Sep 5 2011
  CLARK-A1528-3103  Mentha spicata John C. Roos 1952-8-6 5881 Riverside Fairmont Park 259 Comment
  RSA543849  Mentha spicata Steve Boyd, Orlando Mistretta 1991-5-22 6315 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  RSA709854  Mentzelia Sarah J. De Groot, Leland Lubinsky, Naomi S. Fraga, Lisa Rojas 2005-2-10 4637 Riverside Along Palen Pass Road, sandy area near Palen/McCoy Wilderness boundary. Bajada of mountains, just north of Palen Lake (dry). 170 Comment
  UCR279572  Mentzelia A. C. Sanders, Jim Malusa 2017-3-29 43170 Riverside Sonoran (Colorado) Desert, Orocopia Mountains, Canyon Spring wash c. 400 m above confluence with Salt Creek 344 Comment
  UCR67347  Mentzelia affinis Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-2 4009 Riverside Peninsular Range, Vail Lake area, lower slopes of Agua Tibia Mtn. along Hwy 79, east of USFWS Dripping Springs Guard Station 610 Comment
  RSA69703  Mentzelia affinis F. W. Peirson 1928-3-11 7713 Riverside 8 miles SE of Palm Springs, Riverside County. Comment
  UCR17931  Mentzelia albicaulis A. C. Sanders 1976-4-20 00418 Riverside San Jacinto/Santa Rosa Mtns., 9.5 mi. SE of Anza in White Wash, a tributary of Coyote Canyon 976 Comment
  CLARK-A1045-876  Mentzelia involucrata 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
  GMDRC7793  Mentzelia involucrata J. M. Andre 2015-3-6 33559 Riverside Coachella Valley: far NW corner of valley, 0.5 mi west of Hwy 62 (at mouth of Dry Morongo Wash), 0.3 mi. north of Kolbe Rd (dirt). 561 Comment
  RSA440417  Mentzelia involucrata S. B. Parish 1907-4-22 6148 Riverside Palm Canyon, Western Border of the Colorado Desert. 200 Comment
  UCR103294  Mentzelia involucrata George K. Helmkamp 1998-4-4 3179 Riverside Sonoran (Colorado) Desert, 2.3 mi. north of Hwy I-10 on Eagle Mtn Rd. 274 Comment
  UCSB4221  Mentzelia involucrata Atsatt, Pete 1958-3-21 Riverside 1.5 miles from town of Whitewater, U.S. Highway 66 & 99; up Whitewater Canyon 518 Comment
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Nov 19 2014
  VVC305  Mentzelia involucrata W. W. Mayhew 1960-3-17 s.n. Riverside Colorado Desert, 4.5 miles NW Desert Hot Springs. 482 Comment
  POM311757  Mentzelia involucrata var. megalantha Shirley See 1958-3-30 220 Riverside 1/2 mile inside the S entrance of Joshua Tree National Monument. 610 Comment
  RSA7430  Mentzelia montana Justin M. Wood, Brandy N. Ulrich 2008-7-14 19 Riverside Garner Valley, near intersection of Fobes Ranch Rd and Hwy 74. 1348 Comment
  RSA772021  Mentzelia veatchiana Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4948 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 823 Comment
  RSA562102  Micropus californicus Steve Boyd 1992-4-14 6804 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Verdugo Trail from Tenaja Trail to Bluewater Trail in upper watershed of Bluewater Canyon, S of Sitton Peak. 793 Comment
  RSA524416  Microseris douglasii subsp. platycarpha Steve Boyd, Timothy S. Ross, Laurel Arnseth, Jaime Bonilla 1990-4-3 4108 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  POM316517  Microseris heterocarpa Charlotte M. Wilder 1904-4-23 114 Riverside Jurupa Hills near Riverside. Comment
  UCR102878B  Microseris heterocarpa A. C. Sanders 1997-3-26 20131 B Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  RSA606385  Microseris lindleyi Jon E. Keeley 1994-4-7 25294 Riverside Shipley Reserve, Study Site Sh 5. S. of Hemet, S end of Rawson Rd. 650 Comment
  UCR108855  Microseris lindleyi Heidi A. Haid 1968-5-14 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  SBBG19544  Mimetanthe pilosa R. Moran 1962-7-7 9859 Riverside Strawberry Crk, 2 mi SW of Idyllwild 472 Comment
  POM158440  Mimulus androsaceus P. A. Munz 1927-5-21 10855 Riverside Head of San Carlos Pass, Anza. 1372 Comment
  RSA519233  Mimulus aurantiacus var. pubescens 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
  POM8479  Mimulus aurantiacus var. puniceus I. M. Johnston 1920-5-8 2288 Riverside Butte west of Lakeview. 610 Comment
  SDSU12234  Mimulus aurantiacus var. puniceus Tahirih Linz, M. G. Simpson 2000-4-1 6 Riverside 0 Comment
  UC1238899  Mimulus aurantiacus var. puniceus Freed W. Hoffman 1950-4-24 3573 Riverside where Winchester road turns off from Highway 74; Rock Brook Ranch Comment
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Mar 20 2011
  UC917890  Mimulus aurantiacus var. puniceus Frank W. Gould 1944-4-5 2226 Riverside 17 mi e Temecula Comment
  RSA178795  Mimulus bigelovii var. bigelovii Marcus E. Jones 1930-4-1 s.n. Riverside Shaver's Well Comment
  RSA522285  Mimulus brevipes Steve Boyd, Orlando Mistretta, Walter Wisura 1989-5-30 3745 Riverside Lake Skinner County Pk, S. base of Bachelor Mtn Comment
  RSA717465  Mimulus brevipes Scott D. White 2006-4-28 11322 Riverside Elsinore Basin: Wildomar., east of the I-15 Freeway and north of Baxter Rd. South- and west-facing hillsides, minor ephemeral wash, and upper bajadas at bases of hills. 427 Comment
  UCR100156  Mimulus brevipes Scott D. White 1994-4-23 2042 Riverside San Bernardino Mtns., Millard Canyon, c. 5 air miles north of Cabazon: U.S. Forest Service Road 2S05.1, c. 1-1.5 mi. south of Millard Canyon Guard Station and junction of roads 2S05.2 & 2S05.1A (= East Branch) 1037 Comment
  UCR133674  Mimulus brevipes John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR20878  Mimulus breweri A. C. Sanders 1978-7-3 s.n. Riverside San Jacinto Mountains, along old fire road between the James Reserve and the Black Mountain Road 1677 Comment
  RSA704861  Mimulus cardinalis J. B. B. 1934-6-18 s.n. Riverside Snow Creek; base of San Jacinto. Comment
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Feb 16 2013
  RSA263705  Mimulus clevelandii E. W. Lathrop 1968-5-30 6938 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak. Cleveland National Forest 1220 Comment
  CAS-BOT-BC9464  Mimulus diffusus John Thomas Howell 1930-5-10 4807 Riverside At top of St. John's Grade Comment
  CLARK-A1045-335  Mimulus diffusus George K. Helmkamp 1978-5-2 Riverside Bautista Canyon a burned area beside Bautista Road; Hemet 15'Q Comment
  POM8488  Mimulus diffusus Mary F. Spencer 1921-4-8 362 Riverside Tahquitz trail near Idywilld, San Jacinto Mountains 1829 Comment
  RSA716725  Mimulus diffusus Fred M. Roberts, Robert L. Allen, Chris Barnhill 2003-4-26 5661 Riverside Upper San Juan Canyon, along San Juan Loop Trail, 0.8 km NNW Upper San Juan Campground. 520 Comment
  UCR114543  Mimulus guttatus A. C. Sanders, K. C. Rose 1999-6-18 22811 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave. near Rawson Rd. 451 Comment
  RSA585512  Mimulus palmeri D. L. Banks, S. D. Boyd 1995-5-9 373 Riverside NW Palomar Mountains; Agua Tibia Mountains; 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. 710 Comment
  UCR20879  Mimulus palmeri A. C. Sanders 1978-7-3 s.n. Riverside San Jacinto Mountains, along old fire road between the James Reserve and the Black Mountain Road 1677 Comment
  UCR193855  Mimulus pilosus A. C. Sanders, Mitch Provance 2008-7-11 35766 Riverside Peninsular Range; San Jacinto Mtns., FS road 5S02 to Coldwater Creek below road to helipad, 1 mi. NE of Mountain Center, c. 1/2 mile NE of Keenwild Fire Station 1463 Comment
  RSA561073  Minuartia douglasii Steve Boyd 1993-5-12 7340 Riverside Southern Santa Ana Mountains, Sant 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
  UCSB56464  Minuartia douglasii Boyd, Steve 1986-4-22 Riverside Temescal Canyon; terrace escarpment E side of Indian Wash; S of I-15 Comment
  UCR4473  Mirabilis bigelovii var. retrorsa Frank C. Vasek 1960-3-17 600317- 11 Riverside Sonoran (Colorado) Desert, Morongo Canyon, E side of the road on hill at mouth of canyon, 4.5 mi NW of Desert Hot Springs 579 Comment
  UCR96876  Mirabilis californica Scott D. White 1993-3-12 1162 Riverside Near Winchester 466 Comment
  RSA0027985  Mirabilis laevis var. crassifolia A. C. Sanders 1997-3-1 19745 Riverside Riverside: S end of the range along Gernert Rd. (dirt road paralleling the mountain front), in valley draining to Box Spring Canyon. 457 Comment
  RSA0123999  Mirabilis laevis var. crassifolia Duncan S. Bell, Thomas Stoughton 2016-4-13 9251 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; on the western slopes of Martinez Mountain. 1548 Comment
  CAS-BOT-BC434817  Mirabilis laevis var. retrorsa S. B. Parish 1907-4-24 6073 Riverside Whitewater, Western base of the Colorado Desert 109 Comment
  CAS-BOT-BC434822  Mirabilis laevis var. retrorsa John H. Thomas 1957-3-30 6535 Riverside 0.8 miles east of Cactus City, about 13 miles east of Coachella, near U. S. Highways 60 and 70. Colorado Desert. 518 Comment
  POM754  Mirabilis laevis var. villosa I. M. Johnston 1917-4-4 s.n. Riverside Mouth of Andreas Canyon. 244 Comment
  SD1508  Mirabilis laevis var. villosa Edmund C. Jaeger 1926-3-1 Riverside Canon Springs, near Dos Palmos. Comment
  CAS-BOT-BC434882  Mirabilis multiflora var. pubescens Chas. Vandeventer 1898-6-27 956 Riverside Taurus Mt. 1371 Comment
  CLARK-A1528-638  Mirabilis tenuiloba Charlotte Stocks 1962-6-27 Riverside Whitewater Canyon Comment
  POM4440  Mohavea confertiflora H. M. Hall 1905-4-16 5778 Riverside Canyon near Indio Mt. in the Colorado Desert, Lower Sonoran Zone, 150 Comment
  RSA554012  Mohavea confertiflora A. C. Sanders, E. J. Lawlor 1992-4-4 12147 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  RSA784747  Mohavea confertiflora Duncan S. Bell 2012-2-12 3091 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  UCR213263  Mohavea confertiflora A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37450 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  UCR279581  Mohavea confertiflora A. C. Sanders, Jim Malusa 2017-3-28 43152 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
  UC1995305  Monardella C. Epling, Wm. Robison 1933-6-26 Riverside Key's View Little San Bernardino Mountains 1524 Comment
  VVC1939  Monardella breweri subsp. lanceolata Tim Thomas, C. Sanders 2008-6-24 4526 Riverside San Jacinto Mtns, May Valley, in south drainage of Tahquitz Peak, ca. 2.8 air miles north of Lake Hemet. 1518 Comment
  LA62724  Monardella linoides subsp. linoides Carl Epling; 1938-8-14 sn Riverside Santa Rosa Mountains, near lower margin of yellow Pine on highway Comment
  RSA0124007  Monardella nana Duncan S. Bell, Thomas Stoughton 2016-4-13 9244 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; on the western slopes of Martinez Mountain. 1548 Comment
  RSA651652  Monardella nana subsp. arida Elizabeth McClintock, H. Lewis 1941-6-29 75 Riverside Santa Rosa Mt. 4.5 miles above Pines to Palms Hwy, in canyon where stream crosses road. Comment
  SEINET4151981 Image available Monardella nana subsp. arida Elizabeth McClintock, Harlan Lewis 1941-6-29 78 Riverside Peninsular Range; Santa Rosa Mtns.; road up Santa Rosa Mountain, 2.3 miles beyond canyon where stream crosses road 2165 Comment
  UCR221463  Monardella nana subsp. arida Elizabeth McClintock 1941-5-31 040 Riverside Peninsular Range; San Jacinto Mtns. Region, [Anza Valley] 1.5 to 2 miles from [south of] turnoff to Anza Monument [from modern Hwy 371] on road to Coyote Canyon 1296 Comment
  SEINET10582212  Monardella nana subsp. nana A. Graff 1993-6-24 Graff 53 Riverside San Bernadino National Forest, Thomas Mtn. Go ca. 50 yds. past the former lookout tower site on Thomas Mtn. summit. Monardella nana is off the road, to the right ca. 75 yds. T6S,R3E,S29. Need USNFS permission to collect. Small, dense, population growing among the rocks in clearing, surrounded by Pinus ponderosa, Abies concolor, Calocedrus decurrens, Quercus chrysolepis, with Eriogonum fasciculatum, Lupinus sp., Gutierrezia sp., Galium andrewsii, Bromus sitchensis, Ribes roezlii. Mid-bloom. Comment
  RSA750316  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-22 131 Riverside San Jacinto Mts. On the Idyllwild road, a shot distance below the Keen Camp turn off, in the canyon where the Pseudotsugas first occur. Comment
  CAS-BOT-BC248286  Monardella robisonii A. C. Sanders; Mark Elvin; Jane Rodgers 2001-8-17 24612 Riverside Mojave Desert, Little San Bernardino Mtns: Split Rock, Joshua Tree National Park, north of Ruby VABM 4351 on west side of road 1296 Comment
  RSA0102803  Monolepis nuttalliana Duncan S. Bell, Kay Evelina Lewis-Jones, Isaac Marck, Evan Meyer 2015-4-23 8102 Riverside Rice Valley, to the east of the Arica Mountains, about 6 air miles south southeast of the ghost town of Rice. 211 Comment
  RSA562426  Monolopia lanceolata D. Bramlet 1993-4-13 2325 Riverside Adjacent of the existing dirt access rd., 610 m N of Cajalco Rd, in the ''Cajelco Bend'' area. This site some 1.1 km W of Lake Mathews Drive. 433 Comment
  POM8412  Monoptilon bellioides Mary F. Spencer 1920-4-7 1479 Riverside Palm Canyon, Colorado Desert 183 Comment
  UCR50646  Monoptilon bellioides B. A. Prigge 1988-2-21 7843 Riverside Sonoran (Colorado) Desert, Orocopia Mtns. 2 mi west of Clemens Well 229 Comment
  UCR158279  Muhlenbergia A. C. Sanders, G. K. Helmkamp 1996-3-17 17974 Riverside Coachella Valley, North Palm Springs (Garnet), I-10 at Indian Ave., N of Garnet Ave 250 Comment
  UCR274210  Muhlenbergia asperifolia Duncan S. Bell 2014-11-14 7713 Riverside Santa Rosa Mountains, Santa Rosa Wilderness area, west side of Martinez Mountain, Cactus Spring 1292 Comment
  CAS-BOT-BC275254  Muhlenbergia microsperma Rateaver 1944-2-21 59 Riverside Tahquitz Creek, Palm Springs Comment
  SEINET251740 Image available Muhlenbergia microsperma A. C. Sanders 2004-4-20 27550 Riverside Santa Ana Mtns.: Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line (Fallbrook 7.5' Q.:). 640 Comment
  UCR168444  Muhlenbergia microsperma P. A. Munz, R. D. Harwood 1920-2-28 3238 Riverside Santa Ana Mtns. region, 2 miles SE of Corona 305 Comment
  UCR19374  Muhlenbergia microsperma John C. Roos 1937-5-1 1406 Riverside La Sierra Campus of Loma Linda Univ. Comment
  JEPS68834  Muhlenbergia rigens Annie M. Alexander and Louise Kellogg 1938-12-11 269 Riverside Lost Palm Canyon 685 Comment
  UCR2567  Muhlenbergia rigens F. M. Reed 1928-7-11 7491 Riverside San Jacinto Mtns., Camp Emerson, Strawberry Valley (near Idyllwild) 1677 Comment
  UCR35305  Muilla maritima L. B. Ziegler 1969-5-27 366 Riverside San Jacinto Mtns., Cahuilla Indian Reservation 1113 Comment
  CAS-BOT-BC515558  Muilla maritima H. M. Hall 1899-5-1 1138 Riverside Southern California, San Jacinto Mountains, Ken Wortity Station 1524 Comment
  UCR266314  Myosurus minimus subsp. apus D. E. Bramlet 1991-4-3 2110 Riverside Perris-Aguanga Basin region, west of Hemet, west of Warren Rd. across from Hemet-Ryan Airfield 457 Comment
  UCR269904  Myosurus minimus var. apus D. E. Bramlet, Amy Hills, R. E. Riefner Jr., Russell Huddleston 2005-3-2 3663 Riverside Perris-Agunaga Basin Region; San Jacinto Valley, west of Hemet, east of San Diego Canal, west of Warren Rd., south of Hwy 74, north of W Stetson Ave. 457 Comment
  SDSU3619  Myriopteris parryi A. H. Gallup 1949-3-28 361 Riverside San Jacinto Mt. Ranche. In rocky ledges-Palms to Pines Hywy above Desert Center. Drainage area is the Colorado Desert. 762 Comment
  SBBG97210  Nama demissa W. L. Halvorson 1977-3-8 77085 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  CDA40302  Nama demissa var. demissa T. C. Fuller 1963-4-23 10273 Riverside Box Canyon Wash, Mecca-Blythe Road (Highway 195), 11.8 miles northeast of Mecca. 0 Comment
  HSC101509  Nama hispida var. spathulata J. P. Smith, J. O. Sawyer, R. J. Cole 2010-4-14 12754 Riverside Roadside 455 Comment
  SD148142  Nama stenocarpa D. E. Bramlet, Et al. 1999-10-15 2817 Riverside 198 m S of Gilman Hot Springs Road, 1.22 km NW of Hwy 79 and 2.1 km S of Jackrabbit Trail 433 Comment
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Mar 21 2011
  RSA613419  Nassella lepida D. L. Banks 1997-4-5 1672 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area., South of Dorland Mountain, just east of the Wilderness Area boundry with the Pechanga Indian Reservation, along a tributary of the north fork of Pechanga Creek. 670 Comment
  RSA431565  Nasturtium officinale N. C. Cooper 1944-5-6 1175 Riverside Whitewater Canyon. 457 Comment
  RSA544297  Navarretia atractyloides Steve Boyd, T. S. Ross 1991-6-14 6350 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
  RSA593894  Navarretia fossalis R. E. Riefner 1995-11-29 95 -406 Riverside Davis Rd. San Jacinto Wildlife Sanctuary, 0.4 miles S of Old San Jacinto River. Comment
  UCR77580  Navarretia fossalis Steve Boyd, D. E. Bramlet 1991-5-13 6229 Riverside Peninsular Range, Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. Vernal pool association in pasture north of Santa Fe Railroad tracks, west of San Diego Aqueduct 457 Comment
  RSA180386  Navarretia hamata subsp. hamata E. W. Lathrop 1960-6-10 5001 Riverside 8 miles west of Murrieta. Comment
  UCR234454  Navarretia intertexta Jeremiah George 2012-3-4 s.n. Riverside Peninsular Range; Elsinore Trough, Lake Elsinore area, south of Nichols Rd. and east of Baker St. 387 Comment
  SEINET10464882  Nemacladus glanduliferus var. orientalis Raven 1958-3-1 Raven 11748 Riverside U.S. Highway 95, 8.6 miles north of Blythe Comment
  RSA339652  Nemacladus longiflorus var. breviflorus R. F. Thorne, C. W. Tilforth 1980-5-28 54232 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  JEPS5412  Nemacladus longiflorus var. longiflorus W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1555 A Riverside Temecula River; sw Riverside County Comment
  RSA0126318  Nemacladus longiflorus var. longiflorus G. R. Campbell 1951-5-30 16133 Riverside 9 miles west of Anza. 1067 Comment
  RSA0126322  Nemacladus longiflorus var. longiflorus H. Baer 1923-5-20 d.n. Riverside Lee Lake, Temescal. Comment
  UCR77701  Nemacladus pinnatifidus Steve Boyd, Orlando Mistretta 1991-5-22 6310 A Riverside Agua Tibia Mountains, Vail Lake area, base of Agua Tibia Mountain, east of Dorland Mountain, west of Kolb Creek 793 Comment
  SEINET13276786 Image available Nemacladus ramosissimus A. C. Sanders, D. Malueg 2003-1 26570 Riverside Perris-Aguanga Basin region: Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek (Murrieta 7.5' Q.) 396 Comment
  UCR181098  Nemacladus ramosissimus A. C. Sanders 1998-6-10 21980 Riverside San Jacinto Mtns., FS road 6S13 toward Thomas Mtn., 1.3 mi. above Hwy 74 in Garner Valley at a point 3.1 mi. east of Keen Camp Summit, c. 1 mile due south of Lake Hemet 1463 Comment
  RSA777733  Nemacladus sigmoideus J. Andre, G. L. Clifton 2011-2-22 17450 Riverside Mecca Hills; along Box Canyon Road, 10.3 miles NE of town of Mecca 219 Comment
  UC668348  Nemacladus sigmoideus Annie M. Alexander and Louise Kellogg 1941-4-24 2076 Riverside gorge of Dry Morongo Creek (Morongo Valley); Morongo Valley 640 Comment
  SEINET10460969  Nemacladus sigmoideus Wagnon 1944-5-20 WAGNON 387 Riverside Alluvial fan, Tachevah Canyon, Palm Springs Comment
  RSA180507  Nemophila menziesii E. W. Lathrop 1959-3-26 4373 Riverside 18 miles W of Elsinore, Tenaja Guard Station, Cleveland National Forest Comment
  SEINET7073396  Nemophila menziesii A. G. Vestal 1963-4-23 s.n. Riverside About 1.6 mile up the Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  UCR261187  Nemophila menziesii A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41527 Riverside Woodcrest area of Riverside, wet canyon 0.25 km ENE of Evening Star Rd., 0.25 km north of Ridge Canyon Dr., above Woodcrest Dam 372 Comment
  UCR96702  Nemophila menziesii A. C. Sanders 1997-3-1 19724 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  UCR20695  Nicotiana clevelandii A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1320 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
  SDSU13689  Nicotiana glauca James C. Dice with J. Dewald 1987-10-5 734 Riverside Santa Margarita River, near aqueduct crossing. T8S, R3W, southeast 1/4 of northeast 1/4 of section 27. 247 Comment
  JOTR37484  Nicotiana obtusifolia Heintz, James, A. Ingersoll 2015-10-29 s.n. Riverside Joshua Tree National Park. Cottonwood Mountains, tributary to Cottonwood Canyon, near Wood Spring Comment
  UCR281921  Nicotiana obtusifolia A. C. Sanders, Jim Malusa 2017-9-21 43348 Riverside Sonoran (Colorado) Desert, northern boundary of Chocolate Mountains Aerial Gunnery Range along south side of Bradshaw Trail at large wash crossing 680 Comment
  RSA0060153  Nicotiana quadrivalvis Scott D. White, Angelia Carey 2004-7-2 10566 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 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
  UCR161442  Nicotiana quadrivalvis A. C. Sanders, Mike Misenhelter 2005-9-20 31678 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
  UCR166710  Nicotiana quadrivalvis Scott D. White 2005-7-6 11156 Riverside San Jacinto Mtns/Sonoran/Colorado Desert, San Gorgonio Pass: Cabazon. Toeslope of the San Jacinto Mtns and adjacent fan west of San Gorgonio River, south of the I-10 Fwy 610 Comment
  RSA0060148  Nicotiana quadrivalvis Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3559 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  POM243698  Nolina parryi E. C. Jaeger 1938-5-14 s.n. Riverside Stubbe Springs, Joshua Tree National Monument. 1280 Comment
  UC63870  Nolina parryi H. M. Hall July 1901 2432 Riverside lower end San Jacinto Mts., Tahquitz Val. 1828 Comment
  POM259122B  Notholaena californica subsp. californica A. Lefebure 1941-03 s.n. Riverside Andreas Canyon, near Palm Springs Comment
  RSA785417  Oenothera abramsii Keith E. Hoffmaster 1937-3-16 741 Riverside Near Palm Springs Station Comment
  RSA654568  Oenothera bistorta Melinda M. Cude, Ken Godrey 1977-5-14 s.n. Riverside Hwy 71; 1 mile north of ranger station along riverbed. Comment
  CAS-BOT-BC171482  Oenothera californica Jenkins; Street 1955-5-30 1955 Riverside San Jacinto Comment
  CAS-BOT-BC171491  Oenothera californica H. M. Hall 1904-5-20 4952 Riverside Along S.P.R.R. 262 Comment
  RSA0119576  Oenothera californica John F. Green 2015-6-23 615 -01 Riverside Peninsular Range: San Jacinto Mnts. Region: Anza Valley, east edge of town of Anza, vacant lot at NE side of intersection of Hwy 371 and west end of Burnt Valley Rd. 1226 Comment
  POM38728  Oenothera californica subsp. californica Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  RSA78285  Oenothera californica subsp. californica P. A. Munz, E. K. Balls 1952-8-21 17970 Riverside Vandeventer Flats, SE end of San Jacinto Mtns. 1402 Comment
  CSUSB211  Oenothera deltoides Elliott Helm 1975-5-23 Riverside Colorado Desert 3 miles north of 29 Palms, off highway 177, Colorado Desert. 304 Comment
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Dec 4 2014
  LA206204  Oenothera deltoides H. Lewis; 1952-3-9 1622 Riverside about 10 mi. S of Garnet Comment
  RSA146011  Oenothera deltoides subsp. deltoides William M. Klein 1959-3-1 802 Riverside Bermuda Dunes; along the LaQuinta road, .5 miles south of the junction of US Hwy 60-99, about 6 miles northwest of Indio. 61 Comment
  SBBG104704  Oligomeris linifolia T. Glenn 1991-5-2 91 -34 Riverside McCoy Mtns NW of Blythe Comment
  UC572628  Oligomeris linifolia H. S. Yates 1937-3-23 6425 Riverside near Thermal; Thermal Quad. 30 Comment
  CLARK-A1656-697  Olneya tesota Lois Ann Scott 1979-5-16 Riverside Mecca 121 Comment
  HSC47329  Olneya tesota Richard Spjut, C. E. Edson 1978-5-6 5025 Riverside Colorado Desert; N face of Chuckawalla Mountains, ca. 2.7 miles south of Desert Center 335 Comment
  RSA0107429  Olneya tesota Duncan S. Bell 2009-8-15 419 Riverside Northwest of the Arica Mountains. 300 Comment
  VVC234  Olneya tesota Frank Awbrey 1959-4-24 s.n. Riverside 17.7 miles east of Mecca on St Hwy 195 at E end of Box Cyn 366 Comment
  OBI59203  Oncosiphon piluliferum Robert Noll 1998-3-23 s.n. Riverside Moreno Valley, E of Lake Perris along JFK Blvd. Also seen in Orange county, Haul Cyn Rd, Irvine Ranch Comment
  RSA781254  Oncosiphon piluliferum A. C. Sanders 2011-3-30 38906 Riverside city of Lake Elsinore, along north edge of Hwy 74 at and above Trellis Lane 457 Comment
  SD185152  Oncosiphon piluliferum A. C. Sanders 2005-3-22 29245 Riverside 3rd St. near Gage Canal and railroad. 267 Comment
  SD239616  Oncosiphon piluliferum R. E. Riefner Jr. 2011-5-31 11 61 Riverside French Valley, immediately NE of Hwy 79 and the intersection with Algarve Ave. 415 Comment
  UCR260874  Oncosiphon piluliferum A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-8 41574 Riverside Peninsular Range; Elsinore Trough, City of Lake Elsinore, vacant lot south of intersection of 3rd St. and Pasadena St., west of Birch St., near drainage channel from lake toward Temescal Creek 387 Comment
  UCR261558  Oncosiphon piluliferum James A. Phillips 2015-5-13 054 Riverside San Bernardino Valley, Box Spring Mountains Park, road to radio towers 750 Comment
  RSA744312  Opuntia basilaris var. basilaris Michael Wall 2009-4-3 500 Riverside On ranch property along Bautista Rd.ca. 4.1 miles ESE of jct. with Fairview Ave. Most clumps 20 to 30 ft. from road to the south of property driveway but some growing right along the dirt driveway., Three clumps observed growing not far off the road another 1600 ft to the south. 688 Comment
  SEINET3412078  Opuntia littoralis Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28523 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert. 1236 Comment
  SEINET224185  Opuntia littoralis var. martiniana Lyman Benson, Robert Benson 1955-12-6 15618 Riverside Hills 3 miles southeast of Redlands. Crystal/springs 488 Comment
  RSA0114703  Opuntia phaeacantha Marc A. Baker, Michelle Cloud-Hughes 2011-6-11 17370 Riverside Along Morris Ranch Road, 640m NNE of Kenworthy Station, 3.5 km west of Butterfly Peak, west base of San Jacinto Mountains, Garner Valley, just east of Thomas Mountain, 16km SW of Idyllwild. 1445 Comment
  RSA22787  Opuntia phaeacantha C. B. Wolf, P. C. Everett 1938-9-29 9462 Riverside 9 miles from Temecula on road to Aguanga. Fork of Temecula wash. 335 Comment
  POM278510  Opuntia polyacantha var. erinacea H. G. Rush 1950-5-10 123 Riverside 5 miles NW of Nightingale along Palms to Pines Hwy.; Santa Rosa Mts. 1463 Comment
  RSA524207  Opuntia vaseyi B. D. Parfitt, Rita Anthony, Andy Sanders 1986-4-19 3502 Riverside Pauba Valley, Hwy 79 crossing of Temecula River (or Creek), 4.6 miles E of junction with road to Pala. 305 Comment
Read comments
Nov 28 2010
  UCD150804  Orcuttia californica Tom Griggs 1976-6-16 s.n. Riverside Riverside County, Santa Rosa Plateau, Mesa de Burro. Elevation estimated with Google Earth. 609 Comment
  SDSU580  Orobanche H. Wedberg 1962-4-20 920 Riverside Dead Indian Canyon (at foot of Palms to Pines Hwy), about balf-way from Palms to Pines Hwy to the Oasis. 152 Comment
  UCR1619  Orobanche californica subsp. feudgei R. G. Barber 1962-5-20 140 Riverside San Jacinto Mtns, Bautista Canyon Road, [vicinity of Tripp Flats] c. 2 mi. east of the summit, 7 mi. from Anza 1220 Comment
  CAS-BOT-BC499740  Orobanche californica subsp. feudgei H. M. Hall 1901-6-1 2135 Riverside San Jacinto Mountains, eastern base, along the borders of the Colorado Desert Comment
  CDA42114  Orobanche cooperi Earl Asker 1956-5-14 s.n. Riverside H. & A. Ranch, 64th Ave and Grant, near Mecca. 0 Comment
  JEPS85947  Orobanche cooperi L. R. Heckard with R. Bacigalupi 1977-3-15 4525 Riverside along Rice Rd. ca. 16 mi. n.e. Desert Center Comment
  RSA0070482  Orobanche cooperi subsp. cooperi Louis C. Wheeler 1952-4-5 6848 Riverside Mecca: Box Canyon Road at canal. Comment
  CDA42039  Orobanche fasciculata H. S. Gill 1969-6-24 s.n. Riverside H.A. Manchester property, Sun Town Trailer Park, Cathedral City. 0 Comment
  UC139214  Orobanche fasciculata C. A. Purpus 1898-5 Riverside Palmetto. Comment
  RSA291602  Orthocarpus purpurascens C. W. Tilforth, Walter Wisura 1979-4-11 1779 Riverside Long Canyon, in wash, Rancho California Road, east of Temecula Comment
  RSA402104  Orthocarpus purpurascens Bonnie C. Templeton 1930-4-9 1070 Riverside Moreno Grade, S.W. of Beaumont 700 Comment
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Mar 20 2011
  CAS-BOT-BC355750  Osmadenia tenella Steve Boyd 1986-5-7 1847 Riverside Temescal Canyon: Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15 Comment
  CAS-BOT-BC355751  Osmadenia tenella Steve Boyd 1986-5-7 1837 Riverside Temescal Canyon: Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15 Comment
  RSA741118  Osmorhiza brachypoda Scott D. White, Justin M. Wood 2008-6-18 12245 Riverside Meadow N/W of Keen Camp Summit, S/W of hwy 79. 1402 Comment
  UCR120616  Osmorhiza brachypoda Steve Boyd, K. A. Boyd, C. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2293 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  POM353423  Oxalis albicans subsp. californica W. P. Burger 1979-4-29 62 Riverside Hidden Valley Hang Gliding Site. Near Lake Elsinore. 610 Comment
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Dec 16 2009
  UCR137708  Oxalis pes-caprae D. L. Banks 1997-3-29 1555 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
  RSA64882  Oxytheca emarginata E. C. Jaeger 1922-7-21 5438 Riverside Palms to Pines Trail, east slope of San Jacinto Mts. 1524 Comment
  RSA392815A  Oxytheca trilobata F. W. Peirson 1929-7-29 5020 Riverside Banning to Idyllwild Road 1768 Comment
  UC284803  Oxytheca trilobata P. A. Munz 1923-6-14 7059 Riverside Glen Ivy trail to Santiago Peak; Santa Ana Mts. 1219 Comment
  OBI26120  Palafoxia arida David J. Keil 1976-12-12 11927 Riverside Along I-10, 37 mi E of Chiriaco Summit Comment
  SEINET11745025 Image available Palafoxia arida I. W. Clokey 1935-4-17 6938 Riverside Shafer Wells Comment
  POM363743  Palafoxia arida var. arida M. B. Dunkle 1935-3-17 4401 Riverside Desert Center. 610 Comment
  UC61508  Palafoxia arida var. arida L. D. Copeland 1904-5-5 Riverside Palm Springs Comment
  VVC695  Palafoxia arida var. arida P. J. MacKay, T. Thomas 1997-2-8 100 Riverside Colorado Desert, Palm Springs, Tahquitz debris basin mouth of Tahquitz Canyon Comment
  OBI69398  Panicum urvilleanum Dave Hawks 1986-4-17 s.n. Riverside Whitewater River channel, 1 mi S of hwy I-10, and 2 mi W of Indian Ave (Desert Hot Springs 7.5' Quad: T3S, R4E, S1/2 of sect 20 & 21, near center line between the two sections) 259 Comment
  POM116060  Panicum urvilleanum Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  RSA614534  Papaver californicum A. C. Sanders 1997-5-4 20631 Riverside UTM 10km cell: NH-1E, 4N. Vista Grande. 1067 Comment
  RSA776019  Parietaria hespera Duncan S. Bell 2010-3-20 609 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  SD185325  Parietaria hespera A. C. Sanders 1995-3-19 16159 Riverside Coachella Valley; alluvial fan of Chino Canyon along the Palm Springs tram road, N of the road, 14 telephone poles above Hwy 111 (Palm Canyon Dr.) 299 Comment
  UCR92768  Parietaria hespera var. californica F. M. Reed 1908-3-29 2297 Riverside W slope of Box Springs Mtns 518 Comment
  JEPS121546  Parkinsonia florida Adam C. Schneider with Will Freyman 2014-2-16 392 Riverside Box Canyon Road. Comment
  SBBG68550  Parkinsonia florida R. Hoffmann 1928-10-21 Riverside below Fig Tree John's [Figtree John Spring] -60 Comment
  UCR19661  Paspalum dilatatum John C. Roos 1965-8-3 s.n. Riverside Hemet 503 Comment
  UCR167327  Pectis papposa Scott D. White, J. Wood 2005-9-27 11230 Riverside San Gorgonio Pass, Cabazon: Alluvial benches and braided dry channels south of Interstate 10 and west of the San Gorgonio River 610 Comment
  RSA777852  Pectocarya heterocarpa Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 842 Riverside Chuckwalla Mountains Wilderness, off Corn Spring Road. Large wash draining out of large canyon in Chuckwalla Mountains, draining through pavement plain bajadas 396 Comment
  SBBG63493  Pectocarya heterocarpa M. N. Ackley 1927-3-13 55 Riverside Coral Reef Ranch, Coachella Valley -13 Comment
  SEINET3347427 Image available Pectocarya heterocarpa Jim Andre, T. La Doux 2009-2-25 10834 Riverside Sonoran (Colorado) Desert; Palen Dry Lake; c. 6 miles north of I-10 freeway, c. 15 miles east of Desert Center 129 Comment
  UCR171952  Pectocarya linearis John F. Green 2006-4-18 s.n. Riverside NE of Murrieta, just south of Los Alamos Rd. ('Clinton Keith Rd.'), on E and W sides of Liberty Rd. border between City of Murrieta and unincorporated French Valley 415 Comment
  UCR178280B  Pectocarya linearis T. B. Salvato, Tracy Tennant 1998-1 MOR- 802 B Riverside San Bernardino Mtns., Morongo Indian Reservation, upper Potrero Canyon, near sag pond at Burro Flats, tree stand P-11 1098 Comment
  UCR256745  Pectocarya linearis T. B. Salvato, Matthew Malle 2013-4-11 7534 Riverside Gavilan Hills, southeastern slopes, hill above Black Powder Canyon and c. 0.5 mi north of the Temescal Canyon 419 Comment
  CHSC35467  Pectocarya linearis subsp. ferocula James Henrickson 1973-3-18 8596 Riverside 16 (air) miles E of Temecula, 2.9 miles E of Aguanga along Hwy 71. 822 Comment
  OBI23292  Pectocarya linearis subsp. ferocula Robert F. Hoover 1969-4-14 11234 Riverside Palm Springs, just S of city limit Comment
  RSA586093  Pectocarya linearis subsp. ferocula D. L. Banks, S. D. Boyd 1995-4-5 134 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, E of the Dripping Springs Trail., In the N flowing drainage that empties into Arroyo Seco. 610 Comment
  SDSU18953  Pectocarya linearis subsp. ferocula C. Matt Guilliams, Jeannine Ross 2008-3-12 535 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 436 Comment
  POM9594  Pectocarya linearis subsp. ferocula I. M. Johnston 1920-5-8 s.n. Riverside Butte due west of Lakeview Comment
  UCR97898  Pectocarya penicillata A. C. Sanders 1997-3-1 19709 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  UCR214424  Pectocarya platycarpa A. C. Sanders, Richard Dwerlkotte 2010-3-22 37507 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 2 mi. SE of Sidewinder Well, south of Palen Dry Lake, SW of Palen Mtns. 142 Comment
  JOTR38689  Pectocarya recurvata Hodges, Stephen R. 2017-2-7 705 Riverside Joshua Tree National Park. Little San Bernardino Mountains, West Deception Canyon, near the mouth of the canyon just north of the park boundary Comment
  RSA695831B  Pectocarya recurvata J. R. Bruff 1928-4-2 97 -B Riverside Canyon wash west of Morango Comment
  RSA799403  Pectocarya recurvata Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 744 Riverside North side of the Mecca hills, side canyon between the head of Box Canyon and Shavers Well, roughly 7.4 miles from Interstate 10 on Box Canyon Road 305 Comment
  UC809723  Pectocarya recurvata Philip A. Munz 1949-4-13 13065 Riverside above Cottonwood Springs (w end of Eagle Mts); Colorado Desert 1143 Comment
  UCR213498  Pectocarya recurvata A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-18 38412 Riverside Peninsular Range, southeastern Gavilan Hills near Alberhill, north of Concordia Ranch Rd. and Black Powder Rd. 502 Comment
  UCR224251  Pectocarya recurvata A. C. Sanders 2011-3-23 38804 Riverside Peninsular Range; Gavilan Hills Region, powerline corridor, SW of Perris, east of Hwy 74 between the highway and the San Jacinto River, south of Ethanac Rd. 440 Comment
  UC1543142  Pediomelum californicum Fullerton Junior College Botany students 1936-5-22 Riverside San Jacinto Mountains Comment
  UCR270754  Pellaea andromedifolia T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8382 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 424 Comment
  UCSB30934  Pellaea andromedifolia Parker, V. 1974-4-5 Riverside Hemet city limits, E side of Hwy 74 365 Comment
  POM9752  Pellaea andromedifolia var. andromedifolia P. A. Munz 1921-12-31 4697 Riverside Andreas Canyon, Palm Springs. Comment
  RSA524226  Pellaea andromedifolia var. andromedifolia Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4020 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA667002  Pellaea mucronata A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24196 Riverside S. of Hemet, E end of Diamond Valley, ca 1/4 mi. N of Newport Rd. and 3/4 mi. E of State St. 506 Comment
  JEPS19080  Pellaea mucronata var. mucronata Marjorie D. Clary 1932-3-20 1627 Riverside 10 mi nw of Garnet (Mission Creek); Colorado Desert 457 Comment
  JOTR30214  Pellaea mucronata var. mucronata Leary, C. and Leary, Pat 1979-5-5 2989 Riverside Joshua Tree National Park. On west facing slope above Lower Covington Flats, Joshua Tree National Monument; T2S R7E sec 6 Comment
  RSA686885  Pellaea mucronata var. mucronata P. A. Munz 1949-4-13 13048 Riverside above Cottonwood Springs, west end Eagle Mts. Colorado Desert 1098 Comment
  UC1045322  Pellaea mucronata var. mucronata R. M. and A. F. Tryon Jr. 1950-7-14 5058 Riverside on road 74 ca. 20 mi s Palm Springs Comment
  OBI69399  Pennisetum setaceum Dave Hawks 1986-4-17 s.n. Riverside Whitewater River channel, 1 mi S of hwy I-10, and 2 mi W of Indian Ave (Desert Hot Springs 7.5' Quad: T3S, R4E, S1/2 of sect 20 & 21, near center line between the two sections) 259 Comment
  CHSC1852  Penstemon centranthifolius L. Oliver; D. Sloan 1935-4-17 Riverside North Colorado desert. Comment
  SFV17408  Penstemon clevelandii M. S. Valenzuela, P. Wilson, G. Aldridge, H. Crandall 1998-6-6 74 Riverside Highway 74 near Santa Rosa Mountain Road. 1220 Comment
  SFV17409  Penstemon clevelandii M. S. Valenzuela 1998-6-6 74 dup. Riverside Highway 74 near Santa Rosa Mountain Road. 1220 Comment
  POM4305  Penstemon clevelandii subsp. connatus I. M. Johnston 1917-4-4 s.n. Riverside Andreas Canyon 274 Comment
  UCR35256  Penstemon clevelandii var. connatus L. B. Ziegler 1973-6-6 511 Riverside San Jacinto Mtns, Hemet (Garner) Valley. Between mill site and the mine shaft of the Kenworthy Mine. 1418 Comment
  RSA733  Penstemon heterophyllus var. australis J. T. Howell 1928-7-9 1070 Riverside Head of San Juan Canyon. Elsinore Mountains 793 Comment
  RSA402130  Penstemon labrosus N. C. Cooper 1949-10-7 1586 Riverside San Jacinto Mts (above Pine Cove). 2073 Comment
  UCD124329  Penstemon spectabilis K. M. Meyer; A. Townesmith, T. Scott 2007-3-18 134 Riverside San Bernardino National Forest, 1 mile up Little Thomas Mountain Road. (Forest Road 6S13) just south of Lake Hemet from Rt. 74. 1467 Comment
  LA203845  Pentachaeta aurea W. B. Welch; 1925-5-5 sn Riverside San Jacinto Mountains, Idyllwild Comment
  RSA0070719  Pentagramma triangularis Scott D. White 2001-4-19 8375 Riverside Perris Basin: Perris/Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5 - 2 mi west of Interstate 215. 442 Comment
  RSA0123160  Pentagramma triangularis Duncan S. Bell, LeRoy Gross 2016-3-30 9158 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7.5 air miles southeast of the summit of Martinez Mountain. 970 Comment
  UCR22083  Pentagramma triangularis subsp. maxonii Steve Boyd 1980-5-3 189 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  CAS-BOT-BC77482  Peritoma arborea var. angustata Philip A. Munz 1949-4-13 13042 Riverside Above Cottonwood Springs, west end Eagle Mts., Colorado Desert 1097 Comment
  CAS-BOT-BC77488  Peritoma arborea var. angustata B. D. Stark 1932-6-15 1524 Riverside Colorado Desert, Eagle Mts., above Utopia 228 Comment
  CAS-BOT-BC355993  Perityle emoryi Peter H. Raven 1958-1-24 11446 Riverside Alluvial fan of Fargo Canyon Comment
  POM7074  Perityle emoryi P. A. Munz 1919-5-7 2779 Riverside Tahquitz Canyon 244 Comment
  RSA550348  Perityle emoryi Walter Wisura, John Dolan, Michael Wall 1992-3-24 4640 Riverside Lowdesert: 5.6 mi. S of I-10 on rd to Corn Spring. Comment
  RSA695702  Perityle emoryi J. R. Bruff 1927-10-8 I-J Riverside Thousand Palms Comment
  SBBG54478  Perityle emoryi L. R. Abrams 1926-3-26 Riverside Palm Springs Comment
  SEINET213991  Perityle emoryi Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Ke 1973-3-20 6416 Riverside Big Maria Mts 12 airline mi N of downtown Blythe. 290 Comment
  SEINET10908392  Perityle emoryi David B. Dunn, Howard Brown 1947-1-12 Dunn 2844 Riverside Pushawalla Canyon, Indio Hills. Comment
  UC604863  Petalonyx thurberi subsp. thurberi Roxana S. Ferris and Ruth P. Rossbach 1938-5-16 9568 Riverside 2 mi. up Painted Canyon; Mecca Hills, Painted Canyon Comment
  UC217891  Petunia parviflora P. A. Munz and I. M. Johnston 1922-5-5 5156 Riverside near Moreno (Mystic Lake); Mystic Lake Comment
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Mar 20 2011
  RSA342554  Peucephyllum schottii R. F. Thorne, W. A. Tilforth 1980-5-28 54212 Riverside Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 610 Comment
  RSA471971  Peucephyllum schottii Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  SEINET2054222 Image available Peucephyllum schottii Jenifer Williams 1965-3-27 Riverside Colorado Desert, Corrizo Canyon, S of Palm Desert. 152 Comment
  UCR147005  Peucephyllum schottii Scott D. White 1999-4-21 7246 Riverside Sonoran (Colorado) Desert, East end of Coachella Valley: Bajada between Little San Bernandino Mts. and Indio Hills 213 Comment
  RSA94106  Peucephyllum schottii F. W. Peirson 1919-4-13 4737 Riverside First canyon S of Palm Canyon near Palm Springs. Comment
  SEINET10842470  Peucephyllum schottii David B. Dunn 1946-3-15 Dunn 2022 Riverside Collected on dry plateau in vicinity of Pushawalla Canyon, Indio Hills. Comment
  POM126314  Phacelia ambigua Thomas Craig 1927-4-2 7 Riverside Canyon near Hidden Springs. Comment
  POM47196  Phacelia ambigua Mary F. Spencer 1920-3-12 1581 Riverside Mecca. Colorado Desert -60 Comment
  POM13112  Phacelia brachyloba P. A. Munz, I. M. Johnston 1922-5-19 5344 Riverside 5 mi. E of Murrieta. 488 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
  RSA427709A  Phacelia campanularia Ora M. Clark 1929-2-23 1551 Riverside N. Whitewater. Comment
  UCR444  Phacelia campanularia B. A. Carlson 1978-3-18 s.n. Riverside Sonoran (Colorado) Desert, west of White Water Comment
  RSA752223  Phacelia campanularia subsp. campanularia Scott D. White, Justin M. Wood, Paul Kielhold 2009-4-21 12586 Riverside San Bernardino Mountains: Ridgeline E of Whitewater Canyon, +/- 2 miles N of town of White Water (Interstate 10), near Super Creek Quarry. 640 Comment
  RSA427697B  Phacelia campanularia subsp. vasiformis N. C. Cooper 1944-3-25 995 Riverside Morongo Pass. 457 Comment
  JEPS2191  Phacelia cicutaria var. hispida M. French Gilman 1845-1 714 Riverside Palm Springs (of Mt. San Jacinto) Mt. San Jacinto Comment
  RSA788442  Phacelia cicutaria var. hispida L. M. Prince, Duncan S. Bell 2009-6-17 580 Riverside Cleveland National Forest. Comment
  UCR112405  Phacelia cicutaria var. hispida A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23455 Riverside Menifee Valley, S of Newport Rd., north of Holland Rd. and east of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR215510  Phacelia cicutaria var. hispida Daphne K. Christopher, Hannah I. Stevens 2003-4-4 096 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve, off Sage Road 530 Comment
  UCR228836  Phacelia cicutaria var. hispida A. C. Sanders, T. B. Salvato 2011-4-27 39335 Riverside Peninsular Range, south side of Alberhill Mountain in vicinity of Durant Siding and Terra Cotta, near Nichols Rd. and extension (under construction) toward Lake St. 390 Comment
  UCD120362  Phacelia crenulata C. L. Hitchcock 1966-3-16 24210 Riverside Along Palms to Pines Highway, 4 mi. S. of Palm Desert. 609 Comment
  JOTR37494  Phacelia crenulata var. ambigua Hodges, Stephen R., L. Ashfield 2016-1-20 623 Riverside Joshua Tree National Park. Eagle Mountains, Black Eagle Mine road, northern edge of mountains near eastern park boundary (Stop 1). Comment
  RSA768757  Phacelia crenulata var. ambigua Jim Andre, Tasha La Doux 2010-2-28 12556 Riverside Lower Colorado River Valley; along Hwy 94 approx. 25 miles north of Blythe, on east side of Big Maria Mountains. 83 Comment
  UC1426600  Phacelia crenulata var. ambigua Noel H. Holmgren and Patricia K. Holmgren 1973-3-21 6429 Riverside 12 airline mi n downtown Blythe; Big Maria Mountains 289 Comment
  UCR103581  Phacelia crenulata var. ambigua George K. Helmkamp, E. A. Helmkamp 1998-1-17 2541 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road ENE of Mecca and on the north side of the Coachella Canal .3 Comment
  UCR124004  Phacelia crenulata var. ambigua George K. Helmkamp, E. A. Helmkamp 2001-4-14 6465 Riverside Coachella Valley, Indio Hills, 1.4 mi north of Ramon Rd on Avita Rd (Avita is 2.8 mi east of I-10) 46 Comment
  RSA0120440  Phacelia cryptantha Duncan S. Bell, LeRoy Gross 2016-5-18 9597 Riverside Santa Rosa Mountains; west side of Martinez Mountain; hills in the northern section of Little Pinyon Flat. 1316 Comment
  JEPS2400  Phacelia distans E. E. Schellenger May 1920 Riverside canyon e Coachella; Colorado Desert Comment
  RSA426217  Phacelia distans N. C. Cooper 1944-5-21 1302 Riverside San Jacinto Mountains, west side. 915 Comment
  RSA444326  Phacelia distans Walter Wisura 1988-3-1 4194 Riverside 2.5 mi fr. I 10 along Box Canyon Rd. toward Mecca Comment
  RSA527876  Phacelia exilis Scott D. White 1991-5-24 91 -61 Riverside San Jacinto Mtns region: Big Bear area E of Sugarloaf & W of Hwy 38, S of Hwy 18 & Baldwin Lake. 2073 Comment
  UCSB54159  Phacelia fremontii McKinley, Gale 1985-3-27 Riverside 1/2 mile west of Ryan campground in Joshua Tree National Monument 1280 Comment
  JOTR30257  Phacelia ivesiana Leary, C. and Leary, Pat 1979-5-6 3029 Riverside Joshua Tree National Park. ca. 1.0 mi S.E. of Quail Mtn., Joshua Tree N.M., T2S R7E sec 14 Comment
  POM229428  Phacelia lemmonii P. A. Munz 1937-5-29 15101 Riverside Edge of Pinyon Flat, Santa Rosa Mts. 1220 Comment
  JEPS1179  Phacelia minor W. L. Jepson 1939-4-19 19206 Riverside 2 mi s Aguanga (sw Riverside Co.) Comment
  JEPS86532  Phacelia minor Roy E. Buck 1988-4-1 869 Riverside e-facing slope above CA Hwy. 74 (near top of grade w of Lake Elsinore, ca 2.0 air km nw of confluence of Harlan Cyn and Johnson Cyn drainages, 7 air km w of Lake Elsinore); Elsinore Mountains 780 Comment
  RSA0042826  Phacelia pedicellata Duncan S. Bell, Deidre Conocchioli 2014-3-18 6252 Riverside Orocopia Mountains; southern/central section of range; approximately 1.25 air miles northwest of Gucci Spring. 511 Comment
  RSA74795  Phacelia pedicellata F. W. Peirson 1920-2-16 970 Riverside Palm Canyon Stream, Near foot of Alkali Canyon east of Palm Canyon, Riverside County. Comment
  UCR38115  Phacelia pedicellata J. M. Stewart 1985-3-16 8511 Riverside Sonoran (Colorado) Desert/Santa Rosa Mtns., Santa Rosa Mtns., Agua Alta Canyon off Martinez Canyon 732 Comment
  SEINET7063446  Phacelia suaveolens A. G. Vestal 1947-3-30 s.n. Riverside Intersection 5 miles south of Winchester on the Winchester Road (Route 79) at French Valley. UTM Zone 11, 492195mE, 3722513mN. (WGS84/NAD83). 460 Comment
  UCR91273  Phalaris minor Scott D. White 1995-4-5 2720 .1 Riverside San Jacinto Valley, San Jacinto Wildlife area, near northern boundary, off Davis Rd. 427 Comment
  PASA1945  Philibertia hirtella 1928-3-3 Riverside Hidden Springs Col. Desert Comment
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Aug 27 2016
  UC880372  Phlox austromontana P. A. Munz and I. M. Johnston 1922-5-19 5450 Riverside 2 mi below Kenworthy; San Jacinto Mts., Hemet Valley 1417 Comment
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Mar 25 2011
  CAS-BOT-BC222478  Pholistoma auritum Frank W. Gould 1943-4-17 2113 Riverside 12 miles south of Corona on Elsinore road Comment
  RSA559430  Pholistoma auritum Steve Boyd 1992-4-15 6870 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  JEPS1860  Pholistoma membranaceum S. B. Parish Mar 1882 Riverside Cabezon Station Colorado Desert, Cabezon Station Comment
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Jul 15 2009
  RSA459293  Pholistoma membranaceum Ora M. Clark 1929-2-23 1541 Riverside South Cabazon. Comment
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Mar 13 2011
  UCR133954  Pholistoma membranaceum Mitch Provance, J. S. Ross 1998-3-27 MOR- 961 Riverside San Bernardino Mtns., Morongo Indian Reservation, road 5501 towards Millard Canyon, just south of the juction with the NE bound road to Deep Cyn. 671 Comment
  OBI36173  Phoradendron californicum Faulkner 1978-3-21 351 Riverside 9 mi N of Blythe, Hwy 95 Saline flats 152 Comment
  RSA0104910  Phoradendron californicum Duncan S. Bell, Sarah DeGroot, Cheryl Sevilla 2015-2-10 7749 Riverside Santa Rosa Mountains; a narrow unnamed canyon about 2 air miles south of La Quinta, and about 5 air miles northeast of the summit of Martinez Mountain. 266 Comment
  UC1971181  Phoradendron californicum Louis C. Wheeler 1964-10-17 8640 Riverside North side of Orocopic Mountains: South of Hayfield Reservoir. Comment
  UCR92786  Phoradendron densum Scott D. White 1995-12-24 3796 Riverside Lakeview Mtns., Juniper Flats Road, c. 1.2 road mi north of the junction w/ SR 74. 610 Comment
  SEINET269096  Phoradendron libocedri G. Helmkamp, L. Helmkamp 1995-11-16 2 -2 Riverside San Jacinto Mtns. Lake Fulmor at Hwy 243. 1620 Comment
  RSA192097  Phoradendron villosum E. W. Lathrop 1965-5-30 5775 Riverside 6 miles W of Murrieta. Comment
  RSA617698  Phoradendron villosum Scott D. White 1996-12-26 4646 Riverside San Jacinto Mountains: Bautista Canyon: along Bautista Canyon Rd, ca. 2 or 3 air mi. NW of junction with Tripp Flats Rd. 1037 Comment
  UCD170895  Phyllanthus O. F. Clarke 2007-10-15 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus. 351 Comment
  RSA191744  Physalis crassifolia Robert F. Thorne 1963-3-29 32428 Riverside Colorado Desert, 12 miles ENE of Mecca. Comment
  RSA423824  Physalis crassifolia Robert M. Perkins 1937-3-15 s.n. Riverside 20 miles East of Indio. Comment
  UC26187  Physalis crassifolia S. B. Parish Apr 4 1896-Apr 13 1896 4131 Riverside Palm Springs (Agua Caliente) San Jacinto Mt. (desert base of San Jacinto Mt) 152 Comment
  UC884718  Physalis crassifolia I. W. Clokey 1935-4-17 6881 Riverside Cottonwood Springs Comment
  UC987824  Physalis crassifolia Reid Moran 1941-5-5 857 Riverside Cottonwood Pass; Eagle Mts. Comment
  UCR109478  Physalis crassifolia A. C. Sanders, Pam MacKay, Tim Thomas, O. F. Clarke 1996-11-23 19652 Riverside San Bernardino Mtns., Whitewater Canyon, just below the fish hatchery 648 Comment
  UCR144084  Physalis philadelphica Scott D. White 1998-9-4 7122 Riverside San Gorgonio Pass, Beaumont, 'Oak Valley Golf Course 793 Comment
  CAS-BOT-BC60795  Physaria tenella Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs. Comment
  RSA719527  Pinus contorta var. murrayana Naomi Fraga 2006-7-11 1712 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  CAS-BOT-BC78894  Pinus monophylla Annie M. Alexander; Louise Kellogg 1941-5-21 2216 Riverside North slope of Eagle Mountains 1219 Comment
  POM12978  Pinus quadrifolia Philip A. Munz, I. M. Johnston 1922-5-20 5492 Riverside Head of Hemet Valley, San Jacinto Mts 1524 Comment
  POM12979  Pinus quadrifolia Philip A. Munz, I. M. Johnston 1922-5-20 5492 Riverside Head of Hemet Valley, San Jacinto Mts 1524 Comment
  RSA505025  Pinus quadrifolia D. Charlton 1988-5-21 1908 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on Hwy 74 1677 Comment
  UC527400  Pinus quadrifolia B. D. Stark 1931-8-29 2448 Riverside Vandeventer Flat San Jacinto Mts. 1371 Comment
  RSA741423  Piptatherum miliaceum Justin M. Wood 2008-12-2 260 Riverside City of Temecula, Murrieta Creek, downstream of 1st street bridge. 290 Comment
  UCR209164  Pistacia atlantica A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37157 Riverside Peninsular Range, Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  RSA192087  Plagiobothrys arizonicus E. W. Lathrop 1960-6-7 4851 Riverside 14 miles W of Murrieta Comment
  HSC78529  Plagiobothrys canescens J. C. Roos 1966-3-24 Riverside Winchester Comment
  JOTR32965  Plagiobothrys canescens var. canescens La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2716 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  RSA180396  Plagiobothrys canescens var. canescens E. W. Lathrop 1965-3-30 5600 Riverside 14 miles W of Murrieta. Comment
  OBI53612  Plagiobothrys collinus Steve Myers 1988-1 s.n. Riverside Temescal Cyn, ca 1/4 mi W of intersection of hwy I-15 and Indian Truck trl 381 Comment
  UCR174437  Plagiobothrys collinus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32483 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
  UCR225440  Plagiobothrys collinus A. C. Sanders, T. B. Salvato 2011-3-29 38845 Riverside Peninsular Range; Edge of Gavilan Hills, Meadowbrook area, between Perris and Lake Elsinore, along Hwy 74 at Wasson Canyon Rd. and to c. 1/2 between Wasson & Hammack Ave. 500 Comment
  UCR92045  Plagiobothrys collinus Scott D. White 1995-3-30 2666 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
  POM9223  Plagiobothrys collinus var. californicus I. M. Johnston 1920-5-8 2270 Riverside Jurupa Mountains, extreme west end. Comment
  UCR256760  Plagiobothrys collinus var. fulvescens T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7888 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon 555 Comment
  RSA92556  Plagiobothrys leptocladus J. C. Roos 1952-5-7 5623 Riverside Flats at Edgemont Comment
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May 21 2011
  SD236240  Plagiobothrys nothofulvus John F. Green 2006-4-25 Riverside Peninsular Ranges; Foothills of Santa Ana Mountains / Santa Rosa Plateau; Temecula, Southern California Edison right of way between residential areas, N-S corridor between S Generaly Kearny Toad and La Serena Way; E of Veterans park (Bachelor Mtn. 7.5'Q) 366 Comment
  UCR87662  Plagiobothrys tenellus A. C. Sanders 1994-5-29 14575 Riverside San Bernardino Mtns, East Branch Millard Canyon, along Forest Service Road 4S45 1200 Comment
  RSA234043  Plagiobothrys undulatus R. F. Thorne, E. W. Lathrop 1969-5-19 37972 Riverside Santa Rosa Plateau: Rancho Caifornia, Mesa de Colorado 625 Comment
  RSA593903  Plantago elongata subsp. pentasperma Steve Boyd, Dave Bramlet 1996-4-19 8604 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  RSA660904  Plantago erecta Mitch Provance 1998-4-9 407 Riverside VABM 1031, Hill traditionally called ''Lionshead'', or variously referred to as ''Challen Hill'', located near the corner of Harrison St. and California Ave. in the Arlington area of the city of Riverside. 259 Comment
  UCR216394  Plantago erecta Mike Bell 2008-3-30 022 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, 5 miles SW of Murrieta, Punta Mesa Trail 537 Comment
  RSA180245  Plantago major E. W. Lathrop 1964-5-24 5390 Riverside 8 miles west of Murrieta Comment
  UC2030075  Plantago ovata V. Soza, J. M. Porter, G. D. Wallace 2001-4-2 1097 Riverside Transverse Ranges, Little San Bernardino Mountains region: Mouth of West Wide Canyon, NNW of junction of Dillon Road and Ford Avenue. Comment
  UCR50573  Plantago ovata B. G. Pitzer 1988-3-10 0651 Riverside Sonoran (Colorado) Desert, west side Chuckwalla Mountains, on gas line road c. 1.5 mi north of intersection with Red Cloud Mine Road (& wash); c. 2 mi. airline south of Hwy I-10 489 Comment
  JOTR35035  Plantago ovata var. fastigiata La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3488 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road on south-facing bajada among sonoran desert riparian washes. Comment
  POM124294  Plantago ovata var. fastigiata V. Newsom 1927-3-27 s.n. Riverside Painted Canyon Comment
  RSA155555  Plantago ovata var. fastigiata L. S. Rose 1962-3-2 62008 Riverside La Quinta 3 Comment
  RSA554367  Plantago ovata var. fastigiata Theo Glenn 1992-3-31 92 -12 Riverside N side Eagle Mts, Storm Jade Mine. Comment
  SBBG25046  Plantago ovata var. fastigiata D. Myrick 1966-4-1 1326 Riverside Desert Hot Springs, adjoining Linda Vista Lodge Comment
  SBBG7273  Plantago ovata var. fastigiata H. and M. Dearing 1938-3-5 1960 Riverside between Blythe and Desert Center Comment
  UCD124541  Plantago ovata var. fastigiata Geoffrey Levin 1975-4-5 473 Riverside Box Canyon Wash on State Highway 195, 18.3 mi. NE of Jcn. Of 195 and 111 (Mecca). Between Mecca Hills and Orocopia Mts. 30 Comment
  RSA720467  Plantago patagonica Naomi Fraga, Tim Thibault 2006-5-16 1673 Riverside ca. 2.5 miles up Morris Ranch Road near its intersection with a locked FS road west of Goff Flat. 1585 Comment
  UCR178277  Plantago patagonica Mitch Provance, Tracy Tennant 1998-6-16 MOR- 380 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon just south of Millard Guard Station 1037 Comment
  UC455178  Platanthera leucostachys I. J. Condit 1910-6-23 Riverside San Jacinto Mts. 2590 Comment
  RSA772005  Platanus racemosa Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4967 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  UCR270186  Platanus racemosa A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42409 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site 488 Comment
  POM128393  Plectritis ciliosa subsp. insignis Thomas Craig 1927-4-23 216 Riverside Glen Ivy. Comment
  RSA69361  Pleuraphis rigida Verne Grant, Alva Grant 1951-4-7 15980 Riverside Colorado Desert, Morongo Valley road [Hwy 62] ca. 1 miles North of Highway 60 670 Comment
  RSA718770  Pleuraphis rigida Michael Honer, L. Hulse 2004-4-4 1931 Riverside SW base of Cottonwood Mtns., near MWD aqueduct, appx. .75 mi. N of I-10. E edge of Pinkham Wash. 488 Comment
  CAS-BOT-BC326644  Pleurocoronis pluriseta Carl B. Wolf 1932-4-27 3045 Riverside 1 mile off Mecca - Blythe Road, lower end of Lost Palms Canyon at 1st rocky hills, Colorado Desert 243 Comment
  RSA0123174  Pleurocoronis pluriseta Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9063 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  RSA676256  Pleurocoronis pluriseta Scott D. White 2001-4-17 8334 Riverside Sonoran Desert: Shaver's Valley. North of the I-10 Freeway, ca. 16 miles east of Indio jtn. I-10 / SR 111. Bajada, washes, and mtn. foothills near powerline access roads at unnamed freeway exit accessing pump station. 457 Comment
  UCD134964  Pleurocoronis pluriseta C. L. Hitchcock 1966-3-21 24339 Riverside at summit of pass through Sheep Hole Mts., about 40 miles south of Amboy. Comment
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Mar 1 2014
  UC64806  Pluchea odorata var. odorata E. E. Schellenger 1904-10-17 23 Riverside Dos Palmas Colorado Desert Comment
  CAS-BOT-BC326550  Pluchea sericea W. R. Dudley 1903-12-29 s.n. Riverside Palm Barrancas Comment
  OBI15572  Pluchea sericea H. E. McMinn 1935-6-22 3933 Riverside 1/4 mi S of Elsinore Comment
  UC829264  Pluchea sericea Louis C. Wheeler 1932-7-9 940 Riverside 3 mi below Prado; Santa Ana River Canyon 152 Comment
  UCD90359  Poa annua Peter Kamb 1948-2-1 757 Riverside San Bernardino/Riverside Co.: Valley in the Jurupa Mts. West of Colton. 304 Comment
  LA12571  Poa nevadensis F. M. Reed; 1905-4-2 694 Riverside Box Springs Mountains 548 Comment
  CAS-BOT-BC247396  Poa pratensis H. M. Hall 1901-7-1 2482 Riverside San Jacinto Mountains. In Tamarack Valley 2804 Comment
  RSA700019  Poa secunda Scott D. White, Michael Honer 2003-4-4 8927 Riverside Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  RSA0031209  Poa secunda Jim Andre 2006-4-6 7749 Riverside Joshua Tree National Park: approx 50 m N. of Keys View Parking area. 1553 Comment
  SEINET4560318  Polemoniaceae Duncan S. Bell 2009-1 238 Riverside Arica Mountains; northeast of range, approximately 2.25 air miles southwest of the ghost town of Rice 224 Comment
  RSA180378  Polygala cornuta var. fishiae E. W. Lathrop 1960-6-7 4890 Riverside 14 miles west of Murrieta, Redonda Mesa. Comment
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Apr 28 2011
  UCR49989  Polygonum aviculare S. J. Myers 1987-10-27 s.n. Riverside Peninsular Range; Santa Ana Mtns., c. 3 mi. west of Temecula, NE portion of Santa Rosa Plateau, 3/4 mi. east of Walker Basin 488 Comment
  RSA191390  Polygonum aviculare subsp. aviculare E. W. Lathrop, Robert F. Thorne 1967-10-27 6675 Riverside 5 miles NW of Murrieta. Santa Rosa ranch. Comment
  RSA658974  Polygonum aviculare subsp. aviculare Margaret Murphy 1983-5-21 30 -D Riverside located in the north section fo parsel 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  SBBG61496  Polygonum douglasii R. Hoffmann 1929-9-6 Riverside Tahquitz Valley 2438 Comment
  UC489188  Polygonum douglasii subsp. douglasii C. V. Meyer 1928-7-27 558 Riverside Round Valley San Jacinto Mts. 2773 Comment
  SEINET218263 Image available Polypodium californicum O. W. Robinson 1916-3-20 Riverside Millers Canyon, Murietta Comment
  UCR23346  Polypodium hesperium John C. Roos 1936-9-15 2512 Riverside San Jacinto Mountains, Devil's Slide Trail above Idyllwild. Comment
  SEINET1004495  Polypogon monspeliensis T. B. Salvato, Kent Beaman 2005-1 846 Riverside San Jacinto Mtn foothills: San Jacinto River E of Valle Vista just downstream from the Forest Service Boundry and N of CA Hwy 74. 549 Comment
  IRVC16603  Polystichum imbricans subsp. curtum Gordon A. Marsh, K. G. Marsh 1977-3-21 s.n. Riverside Santa Ana Mtns: Orange/Riverside county border; Bear Springs. Peninsular Ranges Comment
  CAS-BOT-BC334463  Populus fremontii A. C. Sanders; Timothy W. Chumley 2013-3-28 40702 Riverside Peninsular Range: Alberhill, between I-15 Fwy and Temescal Canyon Rd., W of Lake St. 378 Comment
  POM360758  Populus fremontii E. Crow 1929-4-21 334 Riverside North of Alberhill. Comment
  SEINET4560400  Populus fremontii subsp. fremontii LeRoy Gross, Bart O'Brien 2013-1 5951 Riverside Coastal Plains & Basins; San Bernardino Basin region: Fairmount Park, west side of Lake Evans. Riverside. Northeast of Mount Rubidoux. 24 Comment
  UC494534  Populus fremontii subsp. fremontii Philip A. Munz 1931-3-13 11942 Riverside Blythe 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
  UCR108715  Portulaca oleracea Scott D. White, Pam DeVries 1998-2-9 6076 Riverside Coachella Valley, La Quinta/Palm Desert Area: Whitewater River Channel at & near Miles Ave. crossing 30 Comment
  RSA769818  Potamogeton foliosus E. W. Lathrop 1969-6-5 7096 Riverside 6 miles west of Murrieta, Mesa de Colorado of Santa Rosa Plateau. 625 Comment
  UCR47636  Potamogeton pectinatus Dave Thomason 1987-1 s.n. Riverside Peninsular Range; San Jacinto Mtns., Lake Hemet 1311 Comment
  UCR237632  Prenanthella exigua Duncan S. Bell, Amanda Turek 2010-4-10 832 Riverside Riverside Mountains, in the vicinity of Mountaineer Mine and Calzona Mine, c. 3.8 air mi west of the Colorado River, c. 2 air mi northeast of Riverside Mountain Peak 198 Comment
  RSA371702  Prosopis glandulosa var. torreyana A. C. Sanders 1986-4-30 6494 Riverside Along the Gilman Springs Road, 0.3 mile SE of Jackrabbit Trail, San Jacinto Valley. Possibly at an old home site, but no evidence of buildings remains. 457 Comment
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Mar 20 2011
  SD146263  Prosopis glandulosa var. torreyana A. C. Sanders, S. D. Boyd, Mitch Provance 1999-7-14 23075 Riverside San Bernadino Valley: Colton Dunes, dune remnant on Slover Ave between Pepper Ave and the tank farm, 1 miles w of Slover Mountain 320 Comment
  SEINET10837956  Prosopis glandulosa var. torreyana David B. Dunn 1948-6-18 Dunn 3804 Riverside To the W of quad 2. At camp in Pushawalla canyon under palms. Comment
  JEPS44624  Prunus fasciculata W. L. Jepson 1901-5-22 1344 Riverside Mount San Jacinto, Palm Canyon Palm Canyon; Mount San Jacinto, Palm Canyon Comment
  RSA453229  Prunus fasciculata M. B. Dunkle 1935-3-31 4443 Riverside Cottonwood Springs. Colorado Desert. 701 Comment
  CAS-BOT-BC151125  Prunus fremontii Milo S. Baker 1928-4-4 2799 b Riverside Tahquitz Canyon Comment
  UCSB21069  Prunus fremontii Anthony, Jean 1965-5-9 Riverside 4.6 miles north of Pinyon Flats Campground on Highway 74, Santa Rosa Mtns. 944 Comment
  UCR193978  Prunus ilicifolia A. C. Sanders 2008-7-25 35913 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, along Bonita Vista Rd. at foot of hills 1580 Comment
  UCR13826B  Psathyrotes ramosissima O. F. Clarke 1976-3-6 s.n. Riverside Colorado Desert, Coachella Valley, Living Desert Reserve, Palm Desert 122 Comment
  UCR144128  Psathyrotes ramosissima Scott D. White, Michael Honer 2003-5-15 9307 Riverside Sonora (Colorado) Desert, Bajada below Little Maria/Big Maria Mtns, near Inca RR siding and c. 15 air mi NW of Blythe 76 Comment
  RSA94086  Psathyrotes ramosissima F. W. Peirson 1918-03 1426 Riverside Between Palm Springs and Indio. Comment
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Feb 22 2009
  RSA648064  Pseudognaphalium biolettii Bruce Albert 1982-4-17 68 Riverside Hillside west of Lake Mathews Road, 2 miles south of Cajalco Road. Comment
  UCR199566  Pseudognaphalium biolettii Scott D. White 2004-4-26 10263 Riverside San Jacinto Mountain Foothills, Soboba Indian Reservation, Indian Creek Watershed 671 Comment
  UCR241841  Pseudognaphalium biolettii A. C. Sanders, Timothy W. Chumley 2013-4-2 40733 Riverside Peninsular Range, Temescal Canyon at west side of Horsethief Canyon Rd., south of I-15 Fwy, SE of Corona (Lee) Lake 390 Comment
  UCR281126  Psilocarphus brevissimus Mitch Provance, John Hazlett, Matt K. Beyers 2017-4-19 417- 50 Riverside Menifee Valley, Menifee, about 0.5 miles south of Sun City, and 0.5 miles west of Romoland, SW corner of Lazy Creek Rd. and Murrieta Rd. 431 Comment
  RSA92380  Psilocarphus brevissimus F. W. Peirson 1922-4-29 2949 Riverside South of Lake Elsinore. 381 Comment
  UCR90361  Psoralea macrostachya D. L. Banks, V. W. Steinmann 1995-7-10 0750 Riverside Agua Tibia Mtns, NW Palomar Mtns; Cleveland National Forest; Along the Wildhorse Trail, south of Lower Arroyo Seco, NW of Wildhorse Peak. In major drainage that flows off the NW flank of Wildhorse Peak. 610 Comment
  SEINET2063861 Image available Psorothamnus arborescens B. Pitzer 1986-4-26 Riverside Whitewater Canyon, ca. 4.5 miles N of Interstate 10 on Whitewater Canyon Road, Whitewater 7.5' Quad. 731 Comment
  UCSB3073  Psorothamnus arborescens Eriksen, C. 1954-4-29 Riverside 3 mi. W of Morongo Valley along Hwy. Comment
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Oct 22 2014
  UC574887  Psorothamnus arborescens var. simplicifolius C. Epling, Wm. Robison 1933-6-24 Riverside San Gorgonio Wash near Banning; Little San Bernardino Mountains Comment
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Jun 26 2012
  HSC14686  Psorothamnus emoryi L. S. Rose 1959-1-9 59005 Riverside Palm Desert 30 Comment
  POM147641  Psorothamnus emoryi F. M. Reed 1927-3-20 5406 Riverside Salt Creek Wash. Comment
  RSA134875  Psorothamnus emoryi L. S. Rose 1959-1-9 59005 Riverside Palm Desert 30 Comment
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Aug 18 2010
  RSA503354  Psorothamnus emoryi S. J. Myers 1988-10-18 s.n. Riverside Garnet Hill, N of Palm Springs, between the Southern Pacific railroad tracks and Hwy 10, E one-third of Granet Hill, SE to Palm Drive 206 Comment
  RSA748290  Psorothamnus emoryi Justin M. Wood 2009-3-26 418 Riverside Thousand Palms, Ramon Rd., 1.4 miles E of Monterey Ave., just E of Edison substation. 61 Comment
  RSA796322  Psorothamnus emoryi Duncan S. Bell 2009-4-18 211 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
  SBBG68076  Psorothamnus emoryi R. Hoffmann 1928-10-21 Riverside below Fig Tree John's [Figtree John Spring] -60 Comment
  SEINET3407736 Image available Psorothamnus emoryi var. emoryi Foster, Cazier 1968-5-11 Riverside 3 miles south of Rice Comment
  UCSB9704  Psorothamnus schottii Krogen, Roger 1957-1 Riverside Along roadside of Hwy. 195, 10 mi. E of Mecca Comment
  POM27785  Psorothamnus spinosus Marcus E. Jones 1903-5-8 s.n. Riverside Indio. -7 Comment
  SBBG3321  Psorothamnus spinosus H. and M. Dearing 1942-1-17 4786 Riverside near Cathedral City Comment
  RSA392937  Pterostegia drymarioides Christopher Davidson 1973-4-1 1842 Riverside Along Hwy 74 on desert hillside facing Palm Desert. 488 Comment
  RSA778327  Pterostegia drymarioides N. C. Cooper 1944-5-21 1288 Riverside San Jacinto Mountains, West side 915 Comment
  UC6909  Pterostegia drymarioides H. M. Hall June, 1901 2080 Riverside s. slopes in vicinity of Chalk Hill; San Jacinto Mts. 1402 Comment
  UCR41248  Pterostegia drymarioides N. M. Fellows, A. C. Sanders 1985-4-9 125 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
  NY840213  Purshia tridentata var. glandulosa J. B. Walker 1996-7-22 1934 Riverside South of Palm Desert along Hwy. 74, 3km east of Pinyon Flats Campground 1200 Comment
  UCD170868  Quercus Jeremiah George 2012-8-13 s.n. Riverside San Gorgonio Pass/Moreno Badlands, west of Beaumont, just east of junction of 60 Fwy and Jackrabbit Trail, off frontage road dead end. 716 Comment
  UCR278566  Quercus Mitch Provance 2012-9-5 912- 16 Riverside Badlands of Western Riverside County, Potrero Creek, S end of City of Beaumont, E side of Highland Springs Rd., about 100 yards south of intersection with Breckenridge Ave. 755 Comment
  SJSU16067  Quercus X morehus Allen W. jacobs 1938-8-1 344 Riverside Found due East from Keen Ranger Station; at the end of the forest by grassy open area abut 1000 feet or more. 1402 Comment
  UCD47066  Quercus X munzii Mary L. Bowerman 1946-4-15 4100 Riverside Joshua Tree National Monument, Live Oak Tank (ca. 3 mi. W. of junction of Keyes Point and Pinto Basin highway), on sandy floor of wash. Comment
  UC1922063  Quercus agrifolia Scott D. White, Angelia Carey 2004-4-5 10014 Riverside SAN JACINTO MTN FOOTHILLS: North of Valle Vista. Indian Creek Watershed. Comment
  UCD59760  Quercus berberidifolia A. C. Sanders 2004-4-20 27524 Riverside Santa Ana Mtns.: Santa Rosa Plateau, 0.5 km west of Tenaja Road and north of the San Diego county line. 640 Comment
  UCR247908  Quercus berberidifolia Fred M. Roberts 2013-6-7 7783 Riverside Peninsular Ranges, SANTA ANA MTNS.: Tributary to Upper San Juan Canyon along Chiquito Basin Trail, 1.3 km NNW Upper San Juan Campground. 524 Comment
  UCR270178  Quercus berberidifolia A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42399 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site 488 Comment
  UCR272999  Quercus berberidifolia Mitch Provance 2012-9-13 912- 03 Riverside Badlands of Western Riverside County, Potrero Creek, S end of City of Beaumont, E side of Highland Springs Rd., +- 1 mi. N of entrance to CDFG Potrero Reserve. 744 Comment
  JEPS37487  Quercus chrysolepis W. L. Jepson 1903-8-5 2268 Riverside on side of Blind Canyon, San Jacinto Mt., Strawberry Valley Blind Canyon; San Jacinto Mt., Strawberry Valley 1737 Comment
  UCR100826  Quercus chrysolepis A. C. Sanders, T. Tennant 1997-11-14 21606 Riverside San Bernardino Mtns., Morongo Indian Reservation, Hathaway Canyon 976 Comment
  CAS-BOT-BC167097  Quercus cornelius-mulleri Mitch Provance; Kerry Knudsen; Petra Wester 2004-5-8 9009 Riverside Santa Rosa Mountains: Along Hwy 74 on the Santa Rosa Mountain Grade, ca. 0.8-0.5 mi NE of Black Hills 854 Comment
  UCR54431  Quercus cornelius-mulleri A. C. Sanders, E. J. Lawlor 1988-10-22 8719 Riverside Santa Rosa Mtns, Pinyon Flats Area, along Horsethief Creek where the trail from the Dolomite Mine Crosses. 1100 Comment
  CAS-BOT-BC86545  Quercus dumosa C. L. Hitchcock; C. V. Muhlick 1964-3-17 23102 Riverside 10 miles N of Pala, on road to Elsinore Comment
  UCR281000  Quercus engelmannii Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-1 617- 01 Riverside Temescal Valley, Along the south side I-15, transmission right-of-way, 0.3 mi SE of Horsethief Canyon Rd. 384 Comment
  UC667287  Quercus john-tuckeri Annie M. Alexander and Louise Kellogg 1941-5-26 2243 Riverside Monsen Canyon Colorado Desert, Eagle Mountains 914 Comment
  CLARK-A1528-1149  Quercus kelloggii Sherri Stange 1980-6-1 Riverside San Jacinto Mountains 1523 Comment
  UCSB1180  Quercus kelloggii Wilson, Richard 1958-5-17 Riverside 15 miles SE of Banning on State 74 1524 Comment
  UCD56592  Quercus palmeri Rudolph Fischer 1965-10-8 5 Riverside East foothills of Thomas Mountain. Santa Rosa range. Ca. 10 miles south of Keen Camp. State Highway 74. 1341 Comment
  UCR117251  Quercus palmeri A. C. Sanders, S. D. Boyd, Mitch Provance, J. Ross 1998-10-25 22294 Riverside San Jacinto Mtns., W side of Burnt Valley along Burnt Valley Rd. 1354 Comment
  UC848379  Quercus wislizeni Louis Wheeler 1931-10-3 Riverside Strawberry Valley San Jacinto Valley Comment
  UCD73482  Quercus wislizeni A. C. Sanders; T. Tennant 1997-11-14 21603 Riverside San Bernardino Mtns.: Morongo Indian Reservation, sag pond at SE end of Burro Flats. 1110 Comment
  UCR100577  Quercus wislizeni A. C. Sanders, T. Tennant 1997-11-14 21597 Riverside San Bernardino Mtns., Morongo Indian Reservation, W end of Burro Flats 1159 Comment
  RSA716342  Quercus wislizeni var. frutescens R. E. Riefner Jr. 2006-10-11 6 -530 Riverside E of Rainbow Canyon, N of Rainbow Heights, Termite's Hike Trail. 595 Comment
  RSA85444  Quercus wislizeni var. frutescens J. C. Roos 1952-4-13 5518 Riverside Box Springs Mtns. 518 Comment
  UCR171  Quercus wislizeni var. frutescens Frank C. Vasek 1955-5-21 215 Riverside San Jacinto Mtns, 1 mile east of Santa Rosa Summit 1463 Comment
  RSA180443  Rafinesquia californica E. W. Lathrop 1965-5-9 5728 Riverside 6 miles W of Murrieta. Comment
  JEPS29477  Rafinesquia neomexicana Lauramay T. Dempster 1962-4-17 1894 Riverside about 1 mi below Fish Hatchery; Whitewater Canyon Comment
  JOTR30139  Rafinesquia neomexicana La Doux, Tasha 2008-2-4 1706 Riverside Joshua Tree National Park. Stop #1: Hexie Mtns./Porcupine Wash; open sandy wash near road heading to Cottonwood. 745 Comment
  POM34179  Rafinesquia neomexicana Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs. Comment
  RSA688847  Rafinesquia neomexicana Scott D. White, Michael Honer 2003-5-13 9246 Riverside San Bernardino Mtns: Whitewater Canyon, ca. 2 miles north of Bonnie Bell. 579 Comment
  RSA781614  Rafinesquia neomexicana Duncan S. Bell 2009-3-8 81 Riverside Arica Mountains: northwest side of mountain range approximately 3.2 air miles northwest of Priest Well or approximately 6.5 air miles southwest of the ghost town of Rice. 479 Comment
  SEINET10801150  Rafinesquia neomexicana A. K. Evans 1976-4-13 Evans 5217 Riverside Desert canyons of Santa Rosa mountains. Comment
  SEINET7063426  Ranunculus californicus A. G. Vestal 1947-3-30 s.n. Riverside West of Cahuilla Valley on Route 371. UTM Zone 11, 519809mE, 3708775mN. (WGS84/NAD83). 1045 Comment
  UC64124  Ranunculus californicus H. M. Hall Riverside meadows near Hemet Valley; San Jacinto Mts., Johnston Ranch 1463 Comment
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Mar 25 2011
  UCR172754  Ranunculus sceleratus Abby Sirulnik 2000-5-7 36 Riverside Peninsular Ranges; San Jacinto Mtns., Calif. Hwy 243, c. 5 mi. south of Poppet Flat Road. W side of Lake Fulmor 1616 Comment
  RSA0013140  Ranunculus sceleratus var. sceleratus LeRoy Gross, Caitlin Elam 2013-5-14 6073 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
  RSA525340  Raphanus sativus Steve Boyd, Andy Sanders, Mark Skinner 1990-4-28 4439 Riverside Vail Lake area, SW base of Big Oak Mtn. at mouth of Temecula Creek Cyn. below dam. 396 Comment
  SEINET998620  Rhamnus californica T. B. Salvato 2004-1 597 Riverside San Bernardinos Mtns: head of Banning (San Gorgonio River) Canyon San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp. 1402 Comment
  RSA381079  Rhamnus ilicifolia Robert F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61182 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  UC2029920  Rhamnus tomentella subsp. cuspidata Scott D. White, Pam DeVries 2000-4-5 7731 Riverside TEMESCAL VALLEY: Corona area, eastern foothills of Santa Ana Mts. just above citrus groves. Comment
  SD224813  Rhus aromatica Scott D. White 1996-3-31 3870 Riverside Bundy Cyn:SE of Lake Elsinore. About .8 to 1.2 road miles E of Bundy Cyn Rd exit from I-15 freeway; USGS Lake Elsinore 7.5 topo map. 438 Comment
  IRVC86  Rhus ovata Charley Ford 1965-4-20 s.n. Riverside Ortega Highway [74]. Santa Ana Mountains Comment
  RSA772142  Rhus ovata Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4972 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  SFV2147  Rhus ovata F. L. McPherson 1959-5-9 Riverside Coastal Sage community southeast of Banning, on northeast slope of mountain. Comment
  UCR241208  Rhus ovata Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 04 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, just inside gate at mouth of Hathaway Canyon 741 Comment
  SD70930  Rhus trilobata var. pilosissima Helen V. Witham 1969-7-2 185 Riverside De Luz Creek crossing, 4 miles north of De Luz 249 Comment
  IRVC92  Rhus trilobata var. quinata Charley Ford 1965-4-20 s.n. Riverside Ortega Highway [74]. Santa Ana Mountains Comment
  RSA612841  Ribes indecorum D. L. Banks 1997-3-1 1375 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and along Pechanga Creek. 329 Comment
  RSA702742  Ribes indecorum Scott D. White, Michael Honer 2004-4-6 10044 Riverside Perris / Elsinore Basin: Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  RSA748813  Ribes indecorum G. Gust, L. Nye 2005-3-12 553 Riverside Cleveland National Forest. Hwy 74 W of lower San Juan Picnic Area at pullout W side of Santa Ana Mtn. Range. 495 Comment
  UCR135830  Ribes indecorum A. C. Sanders 2004-4-20 27555 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
  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
  UC489157  Ribes nevadense C. V. Meyer June 1927 174 Riverside Dark Canyon San Jacinto Mts. 1828 Comment
  CLARK-A1528-4142  Ribes quercetorum John C. Roos 1940-5-4 879 Riverside Reche Canyon Comment
  UC219170  Ribes roezlii P. A. Munz and I. M. Johnston 1922-5-19 5395 Riverside Keen Camp San Jacinto Mts. 1463 Comment
  UC974961  Ribes roezlii P. A. Munz and I. M. Johnston 1922-5-19 5395 Riverside Keen Camp San Jacinto Mts. 1463 Comment
  UCR89837  Romneya coulteri Scott D. White 1993-5-27 1433 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  UCR155937  Rorippa nasturtium-aquaticum 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
  UC1608273  Rosa californica Steve Boyd and Dave Bramlet 1993-5-12 7323 Riverside along stream from confluence with Los Alamos Canyon to confluence with Tenaja Canyon; Southern Santa Ana Mountains, San Mateo Wilderness Area, San 365 Comment
  SEINET10542871  Rubus parviflorus David B. Dunn 1946-8-17 Dunn 2732 Riverside Round meadow dry hillside among lodge pole pines. San jacinto mountains Comment
  CLARK-A1528-826  Rubus ursinus Paul D. Wood 1970-4-19 2 C Riverside Riverside 243 Comment
  RSA220998  Rubus ursinus E. W. Lathrop 1966-3-30 6122 Riverside Mail Divide Truck. Trail between El Carriso and Santiago Peak, Cleveland Nat'l Forest. 1220 Comment
  UCR1486  Rubus ursinus R. L. Irwin 1962-4-21 0032 Riverside c. 0.2 mile west of Lake Evans, Riverside 244 Comment
  RSA717476  Ruellia A. C. Sanders 1997-10-13 21587 Riverside Riverside, UCR Botanical Garden 366 Comment
  RSA507469  Rumex acetosella Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mountains, Garner ranch Property on Hwy 74, less than 1 mile SE of the jct. with Hwy 243 Comment
  UCR114965  Rumex crispus Fred M. Roberts 1992-4-25 4866 Riverside San Jacinto Valley, Upper Salt Creek Watershed adjacent to Hemet, NW corner of California Avenue and Stowe Road, 3.3km ENE Winchester 455 Comment
  UCR133648  Rumex crispus Michael D. Wilcox 2003-5-13 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR4087  Rumex hymenosepalus Carole Sims 1965-3-14 s.n. Riverside Peninsular Range, about 1 mile east of Temecula, toward Vail Ranch 305 Comment
  POM153372  Rumex maritimus P. A. Munz, I. M. Johnston 1928-9-12 11245 Riverside North end of Lake Elsinore. Comment
  UCR82219  Rumex obtusifolius J. M. Stewart 1994-5-2 848 Riverside Sonoran (Colorado) Desert, Thermal. Fillmore St and Avenue 64 Comment
  RSA741213  Rumex salicifolius Scott D. White, Justin M. Wood 2008-5-15 11990 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  UCR39468  Rumex salicifolius A. C. Sanders 1980-7-22 1721 Riverside San Jacinto Mtns, Dutchman's Flat in Bear Trap Canyon about 1 mi (airline) west of Idyllwild. Between Hwy 243 and Foster Lake 1814 Comment
  UC6968  Rumex salicifolius var. salicifolius H. M. Hall 1901-7-1 2474 Riverside Tauquitz Valley San Jacinto Mountains 2743 Comment
  UCR266491  Rumex violascens Mitch Provance, Matt Amalong 2015-4-6 415- 16 Riverside Temecula/Murrieta Region, About 0.5 mile SW of Winchester, along Leon Rd., near its SW corner with Domenigoni Parkway 444 Comment
  SD224912  Sagina apetala A. C. Sanders, G. K. Helmkamp 1996-3-17 17980 Riverside Coachella Valley: Palm Springs, weeds in landscaping of shopping center at SE corner of Raquet Club Dr. and Palm Canyon Dr. 188 Comment
  POM3991  Salazaria mexicana I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon, near Palm Springs. 457 Comment
  CAS-BOT-BC126716  Salix gooddingii A. C. Sanders; T. B. Salvato; Matthew Malle; Jonas Winbolt; Katie A. Kurtz 2010-3-31 37670 Riverside Peninsular Range; foothills of Gavilan Hills: Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, N of Temescal Canyon Rd. and NW of Concordia Ranch Rd., NW of horse racing track 366 Comment
  POM186278  Salix gooddingii C. Epling, Joseph A. Ewan 1933-5-12 7606 Riverside South shore Lake Elsinore. Comment
  UC57071  Salix laevigata H. M. Hall Apr. 1902 2940 Riverside vicinity Riverside (along Santa Ana River); Santa Ana River 243 Comment
  POM319101  Salix lasiolepis Patricia Wilder 1971-3-20 4910 Riverside Along Santa Ana River at end of Pedley Steet, Norco; south side of river 244 Comment
  CAS-BOT-BC128450  Salix lasiolepis var. lasiolepis Frank W. Peirson 1933-4-14 10648 Riverside Banning - Idlewild Road 1524 Comment
  CAS-BOT-BC126320  Salix sessilifolia Mrs. H. P. Bracelin 1932-4-12 599 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside 240 Comment
  CAS-BOT-BC126321  Salix sessilifolia Crawford; Johnston 1917-6-9 1244 Riverside Santa Ana River near Corona Comment
  UCR35143B  Salsola australis L. B. Ziegler 1976-6-20 550 B Riverside San Jacinto Valley 473 Comment
  UCR251305  Saltugilia australis T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2013-3-28 7430 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Murrieta Road and Scott Road 517 Comment
  UCR266481  Saltugilia australis Mitch Provance, Robin Kinmont 2015-3-27 315- 48 Riverside Perris-Aguanga Basin Region, French Valley, Leon Rd. (unmarked dirt portion), along SCE transmission route between Benton Rd. and Auld Rd. 411 Comment
  POM97122  Saltugilia australis P. A. Munz 1925-5-20 9822 Riverside 2 miles W of Dripping Spring. 427 Comment
  CAS-BOT-BC232922  Saltugilia latimeri Leigh A. Johnson 1992-5-15 92 -021 Riverside Pinyon Flats: 1/2 way between Palm Canyon Drive and Jeraboa Road, about 100-200 yards N of the road near a rocky outcrop. 1280 Comment
  RSA0093834  Saltugilia latimeri A. C. Sanders 2006-5-13 32282 Riverside Peninsular Range. UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank. 457 Comment
  UCSB31640  Saltugilia splendens Griesel, Wesley 1962-6-29 Riverside Dark Canyon, San Jacinto Mountains 1920 Comment
  OBI2704  Saltugilia splendens subsp. splendens Wesley O. Griesel 1962-6-29 Riverside Dark Canyon, San Jacinto Mountains 1920 Comment
  RSA776226  Salvia carduacea Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 878 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 793 Comment
  POM13462  Salvia columbariae P. A. Munz 1922-5-19 5367 Riverside 5 miles NE of Murietta. 457 Comment
  UC25691  Salvia columbariae H. M. Hall May 1899 1139 Riverside Kenworthy; San Jacinto Mountains 1371 Comment
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Mar 25 2011
  UCR183012  Salvia columbariae Mitch Provance 2003-5-5 4419 B Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  UCR241103  Salvia columbariae A. C. Sanders, Timothy W. Chumley 2013-4-2 40740 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., near I-15 Fwy, SE of Corona (Lee) Lake 377 Comment
  UCR60239  Salvia columbariae R. F. Thorne, M. Z. Thorne 1973-3-30 42657 Riverside Sonoran (Colorado) Desert, Morongo Valley Canyon, near mouth at junction of roads to Morongo Valley and Desert Hot Springs; [vicinity of Hwy 62 crossing of Mission Creek] 488 Comment
  LA69694  Salvia eremostachya K. Watkins; Elizabeth McClintock 1937-4-10 sn Riverside Palms to Pines highway near road to Shumay Comment
  UC416703  Salvia eremostachya L. G. Childs 1920-11-26 Riverside Martinez Canyon; Colorado Desert, Santa Rosa Mts. Comment
  RSA449941  Salvia greatae J. C. Roos 1958-3-29 s.n. Riverside Salt Creek Wash, 3 miles N of Coachella Canal on E base of Orocopia Mtns. 305 Comment
  RSA721459  Salvia greatae Sarah J. De Groot, Tim Thibault, Valentin Arvizu, LeRoy Gross, Lisa Rojas 2004-5-14 4336 Riverside Chocolate Mountains: north of the mountains, just north of the Bradshaw Trail, south of Orocopia mountains. 168 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
  CSUSB1051  Salvia mellifera Carole Sims 1965-3-14 Riverside Ten yards from edge of highway, seven miles north of Temecula on road to Perris via Romoland. 335 Comment
  RSA614369  Salvia mellifera A. C. Sanders 1997-3-1 19746 Riverside Box Springs Mtns., S end of the range along Gernert Rd. (dirt), in valley draining to Box Spring Cyn. 457 Comment
  UC1124804  Salvia mellifera A. Lewis 1934-3-3 315 Riverside Tin Mine Canyon; Cleveland National Forest, Corona Quad. 609 Comment
  UCR162874  Salvia mellifera T. B. Salvato, Kelly Volansky 2003-3-27 130 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  UCR143464  Salvia mohavensis Carl Epling, Wm. Robison 1933-6-26 s.n. Riverside Southern Mojave Desert, Little San Bernardino Mtns., Key's View 1524 Comment
  POM97987  Salvia mohavensis E. C. Jaeger 1926-3-4 s.n. Riverside Eagle Mountains. 1189 Comment
  JOTR16733  Salvia vaseyi Vanderspek & Nolte 1964-4-17 s.n. Riverside Joshua Tree National Park. Comment
  UCR3325  Salvia vaseyi Anne Brown, C. Brown 1964-4-11 11464- 4 Riverside Santa Rosa Mtns, Palms to Pines Hwy 1067 Comment
  RSA1239  Sambucus mexicana B. D. Stark 1930-3-18 1489 Riverside Cajalco District. Comment
  UCR180578  Sambucus mexicana Scott D. White, Angelia Carey 2004-4-5 10009 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  RSA601891  Samolus parviflorus Louis C. Wheeler 1933-5-28 1746 Riverside Santa Ana River at Chino Creek. 152 Comment
  RSA0035179  Sarcostemma M. Bourell 1988-3-28 3511 Riverside Box Canyon, BLM California Conservation Area. E of Mecca on Hwy 195. 150 Comment
  RSA469302  Schismus barbatus Christopher Davidson 1973-4-1 1811 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  POM78931  Schoenoplectus acutus var. occidentalis I. M. Johnston 1925-7-7 5283 Riverside Santa Ana River ca. 3 miles S of Wineville [Mira Loma Station]. 183 Comment
  UCR113859  Schoenoplectus acutus var. occidentalis Mitch Provance 2000-6-24 2073 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  RSA91580  Schoenoplectus maritimus F. W. Peirson 1918-03 1618 Riverside Mecca. Comment
  UCR116396  Scirpus microcarpus P. A. Rauch 1966-4-30 s.n. Riverside San Jacinto Mtns., Fuller Mill Creek 1646 Comment
  UC1125697  Scrophularia californica R. St. John 1931-4-17 206 Riverside Mockingbird Canyon; Elsinore Quadrangle Comment
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Apr 2 2011
  UCR116419  Scrophularia californica A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24189 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  POM7654  Scrophularia californica subsp. floribunda H. M. Hall 1902-4-21 2936 Riverside Vicinity of Riverside, Gavilan hills. 457 Comment
  UCR121248  Scrophularia californica subsp. floribunda Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2267 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  RSA249827  Scutellaria antirrhinoides Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38090 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
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Jun 7 2015
  LA102320  Scutellaria mexicana John C. Roos; 1958-9-27 sn Riverside Santa Rosa Mountains, Carrizo Creek near Black Hill 914 Comment
  SD28110  Scutellaria siphocampyloides Carl B. Wolf 1932-8-4 Riverside San Jacinto Mts. Point view, near Idyllwild 1646 Comment
  RSA557903  Scutellaria tuberosa Steve Boyd, Orlando Mistretta 1992-4-22 7012 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  SEINET270116  Scutellaria tuberosa Steve Boyd, Tim Ross 1992-5-4 7187 Riverside San Mateo Canyon Wilderness Area ; Southern Santa Ana Mountains. Oak Flats area east of Verdugo Portero 732 Comment
  UCR156364  Selaginella bigelovii T. B. Salvato, Kent Beaman 2005-5-16 882 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
  GMDRC5053  Selaginella eremophila J. Andre, G. L. Clifton 2011-2-22 17481 Riverside Coachella Valley: 1.2 mi. due south of Windy Pt (at Hwy 111), just SW of 'The Cove' housing development near Blaisdell Creek, at base of San Jacinto Mtns 320 Comment
  POM49865  Selaginella watsonii Philip A. Munz, I. M. Johnston 1924-7-27 8761 Riverside Dark Canyon, San Jacinto Mountains. 2409 Comment
  SEINET2054640 Image available Senecio californicus Ricardo Montijo 1990-4-27 Riverside Rancho California area: E of Santa Rosa Plateau, Green Meadow Road offof de Portoloa Road. Sage 7.5' Quad. 609 Comment
  RSA735230  Senecio flaccidus Scott D. White, Angelia Carey 2004-6-4 10479 -B Riverside San Jacinto Mountain foothills: San Jacinto River wash and adjacent alluv. benches, near Indian Creek confluence. 503 Comment
  CAS-BOT-BC364131  Senecio mohavensis Peter H. Raven 1958-3-15 11851 Riverside Box Canyon Comment
  JOTR35075  Senecio mohavensis La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3527 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocky slopes; above narrow side canyon Comment
  PASA953  Senecio mohavensis Margaret Stason 1928-3-3 Riverside Hidden Springs, Colorado Desert Comment
  POM15176  Senecio mohavensis Mary F. Spencer 1922-3-27 1926 Riverside Shavers Canyon. Mecca, Colorado Desert. Comment
  UCR18629  Senecio mohavensis John C. Roos, Lucille Roos 1949-4-10 4223 Riverside Sonoran (Colorado) Desert, Chuckwalla Mts, canyon 3.5 mi. SE of Desert Center 612 Comment
  UC63068  Senecio triangularis H. M. Hall July 1901 2535 Riverside streams of n side San Jacinto Mountains (Southern California); n side San Jacinto Mountains 2499 Comment
  JOTR30068  Senna armata La Doux, Tasha, Mike Bell, Katy Mathews, Alice Miller, Amber Holt 2007-5-23 1697 Riverside Joshua Tree National Park. Stop # 3 = Near Geology Tour rd., N of Malapai Hill 1219 Comment
  RSA751919  Sequoia sempervirens Scott D. White, Justin M. Wood 2009-5-22 12922 Riverside San Jacinto Mts: Halfway Spring, accessed via Old Control Road. 1159 Comment
  UC2013411  Sequoiadendron giganteum Rudolf Schmid and Mena J. Schmid 2009-5-1 2009 -5 Riverside NW San Jacinto Mountains NE of Highway 243 ca. 16 Highway km NW of Idyllwild, in the S unit of the San Bernardino National Forest, on SW, flank of Black Mountain (summit). Just right (as ascending) of Black Mountain Trail in flat open area on the sloping plateau or saddle just above the head of Hall Canyon. Comment
  SD181742  Sesuvium verrucosum Scott D. White 2001-6-29 8633 A Riverside Menifee Valley: Ca. 1.4 mile southwest of the I-215/Newport Rd. Interchange, northwest of the intersection of Holland Rd. and Bradley Rd. 438 Comment
  UC1132945  Setaria viridis H. S. Yates 1936-8-29 6373 Riverside Idlewild San Jacinto Quad., Idlewild Comment
  RSA579293  Sibaropsis hammittii Steve Boyd 1992-4-15 6886 Riverside Santa Ana Mountains, Elsinore Peak area south of Lake Elsinore. South base of peak (3448 ) to southeast of Elsinore Peak, approximately 25 m north of the San Mateo Canyon Wilderness Area boundary. 1000 Comment
  RSA0001999  Sibaropsis hammittii Steve Boyd, Timothy S. Ross 1992-4-1 6783 Riverside Santa Ana Mts., Elsinore Peak area south of Lake Elsinore, on Onion Hill, a grassy knoll about 0.5 miles southeast of Elsinore Peak on the crest of the range, north of the Main Divide Road. 1012 Comment
  RSA68329  Sidalcea malviflora subsp. sparsifolia G. R. Campbell 1951-5-30 16147 Riverside Pine Meadow Ranch, SE of Kenworthy 1433 Comment
  RSA87506  Sidalcea malviflora subsp. sparsifolia C. L. Hitchcock 1952-5-31 19558 Riverside 7 miles NE of Aguanga Meadow along Coahuila Creek Comment
  UC63863  Sidalcea malviflora subsp. sparsifolia H. M. Hall 1897-4-18 468 Riverside