Search Results — 2000 specimen records retrieved (1909 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC229332  Abronia villosa K. Larson 1975-4-24 1506 Riverside Snow Creek Rd. 10 mi. NW of Palm Springs Comment
  CAS-BOT-BC229354  Abronia villosa L. A. Greata 1905-4-1 390 Riverside Coachella Comment
  CAS-BOT-BC229366  Abronia villosa Ira L. Wiggins 1941-3-24 9568 Riverside 0.3 mile south of Myoma, 4.6 miles north of Indio Comment
  SBBG1870  Abronia villosa H. and M. Dearing 1940-6-8 4357 Riverside near Herkey Crk, W of Ribbonwood Comment
  SEINET893736  Abronia villosa Str Richard 1964-1 78 Riverside Along U. S. Highway 99, 4 miles east of Whitewater, east of San Gorgonio Pass. 274 Comment
  UCR134595  Abronia villosa Marisa Sripracha, Kyle Boyd 2004-2-14 011 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 Comment
  CDA23841  Abronia villosa var. aurita T. C. Fuller 1962-4-3 7988 Riverside West of Highway 99 to Indio, 0.2 mile north of turn-off to Twenty Nine Palms, head of Coachella Valley. 0 Comment
  RSA783154  Abronia villosa var. aurita J. D. Olmsted 1962-5-3 3513 Riverside South access road to Thomas Mt., 1.5 mi. W of Pines-to-Palms Hwy. 1418 Comment
  SEINET946027  Abronia villosa var. aurita Ira W. Clokey, E. G. Anderson 1935-1 6609 Riverside Hemet. 500 Comment
  UCR3430  Abronia villosa var. aurita Heidi A. Haid 1964-5-10 64510- 01 Riverside San Jacinto Valley, east of San Jacinto, Los Banos and Main Streets 549 Comment
  CHSC100690  Abronia villosa var. villosa Naomi Fraga; Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1420 Riverside Colorado Desert; Northeastern Colorado Desert region: Along Palen Road near Hwy 177. 170 Comment
  UCR228628  Abronia villosa var. villosa Thomas R. Stoughton, J. McConnaughy, D. Monks, M. Volke 2010-4-22 155 Riverside Sonoran (Colorado) Desert, north of Hwy I-10, c.1.5 mi up Corn Springs Road 213 Comment
  SD129314  Acacia dealbata John Adams 1966-3-12 434 Riverside Hwy 74 above Lake Elsinore, toward Capistrano. 609 Comment
  SEINET9122084  Acamptopappus sphaerocephalus N. Zabriskie, W. Zabriskie 1969-1 192 Riverside Andreas Canyon near Palm Springs. 411 Comment
  UC598738  Acamptopappus sphaerocephalus var. sphaerocephalus John Bright 1936-4-21 12816 Riverside north of Palm Springs; Colorado Desert 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
  SEINET7593330 Image available Achnatherum coronatum Mary F. Spencer 1921-1 Riverside Near Banning 701 Comment
  RSA775347  Achnatherum hymenoides Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5014 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 W116.66014 750 Comment
Read comments
May 22 2012
  SBBG29382  Achnatherum hymenoides D. Myrick 1968-3-4 1807 Riverside Country Club Rd at E edge of Palm Desert 60 Comment
  UC472731  Achnatherum hymenoides Mary F. Spencer 1918-3-27 829 Riverside Palm Springs Colorado Desert (near irrigating ditch) 100 Comment
  RSA494624  Achnatherum speciosum Maureen H. Pendleton 1987-5-20 s.n. Riverside Ca. 0.8 mi. (airline) WSW of town of Anza on Terwilliger Rd. 1280 Comment
  CAS-BOT-BC384728  Achyronychia cooperi John H. Thomas 1957-3-30 6556 Riverside 8.1 miles east of Cactus City, about 20 miles east of Coachella. Colorado Desert 426 Comment
  SEINET3156335  Achyronychia cooperi Unknown 1906-5-1 11 -6707 Riverside collected on Colorado desert at Palm Springs Comment
  UCR108719  Achyronychia cooperi Scott D. White, Pam DeVries 1998-2-9 6080 Riverside Coachella Valley, La Quinta/Palm Desert Area: Whitewater River Channel at & near Miles Ave. crossing 30 Comment
  UCR263652  Achyronychia cooperi David Fraker, Aaron C. Sedgwick 2012-3-22 13 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, south of Joshua Tree National Park on both sides of Hwy 177, c. 5 miles north of I-10, c. 3 miles south of the Desert Lily Sanctuary 183 Comment
  SBBG133770  Acmispon brachycarpus A. C. Sanders 2011-4-26 39327 Riverside Alberhill Mtn, S side near Nichols Rd, ca. 350 m WNW (276 deg ) of Nichols Rd and Pierce St intersection 395 Comment
  SD224962  Acmispon grandiflorus var. grandiflorus Scott D. White 1996-8-16 4486 Riverside Idyllwild Area: SW of Pine Cove and W of Bear Trap Cyn, in watershed above Alvin Meadows (tributary to Toll Rd. Cyn.) 1700 Comment
  JOTR35512  Acmispon nevadensis var. nevadensis La Doux, Tasha, M. Harding, K. Callahan, D. Shade, M. Wheeler, T. Herskovits 2013-6-5 3199 Riverside Joshua Tree National Park. Little San Bernardino Mtns, lower Smithwater Canyon 1219 Comment
  SD70397  Acmispon rigidus W. L. Jepson 1914-5-17 Riverside Summit Cottonwood Mountains 914 Comment
  SD133088  Acmispon strigosus Scott White 1991-5-10 91 134 Riverside Hwy 79 immediately west of US Forest Service Campground at Dripping Springs; Vail USGS quad. 548 Comment
  RSA701117  Acourtia microcephala M. Wall 1996-7-22 179 Riverside S. of Beaumont, Hwy 79, 2.6 mi S of Fwy 10 on E slopes off dirt rd. 610 Comment
  UCD128475  Acourtia microcephala Steve Myers 1988-6-30 s.n. Riverside Murrieta area, between Highway I-15 and Jackson Street, around 0.5 mile southeast of Inland Valley Medical Center, near Clinton Keith Road. Comment
  CAS-BOT-BC182446  Adenophyllum porophylloides Steve Boyd; Tammy Morgan; Aydee Virgen; Sarah DeGroot; Valentin Arvizu; Tim Thibault 2004-5-14 11212 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road... Comment
  UC1329853  Adenophyllum porophylloides James E. Cole 1941-5-23 778 Riverside tank, split rock area Ivanpah; Joshua Tree National Monument 1280 Comment
  SD143760  Adenostoma fasciculatum Scott D. White 1997-5-25 5245 A Riverside San Jacinto Mts., Bautista Canyon: Hixon Trail, between trailhead at Bautista Cyn Road and intermittent stream crossing 975 Comment
  UC1393129  Adenostoma fasciculatum John L. Strother 1970-7-7 992 Riverside at Alberhill Alberhill Comment
  UCR140688  Adenostoma fasciculatum Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 8- 59 Riverside San Jacinto Mtns, San Bernardino National Forest, Hwy 74 near Cranston Guard Station, 10 miles east of Hemet, Site L8 581 Comment
  UCR30527  Adenostoma fasciculatum John C. Roos 1952-5-26 5722 Riverside Haas' Ranch, Reche Canyon 457 Comment
  CAS-BOT-BC139859  Adenostoma sparsifolium Winifern W. Swarth 1914-9-8 s.n. Riverside Trail below Strawberry Valley, San Jacinto Mts. 1524 Comment
  CHSC22834  Adenostoma sparsifolium Robert A. Schlising 1968-8-18 2905 Riverside San Jacinto Mountains, short distance south of Idyllwild on Hwy R-1. Comment
  RSA20025  Adenostoma sparsifolium I. W. Clokey, E. G. Anderson 1935-8-21 6674 Riverside West of Keen Camp P. O. 1200 Comment
  SEINET273140 Image available Adiantum jordanii A. C. Sanders 1997-3-26 20103 Riverside Lake Skinner Area; along foot trail at W base of Tucalota Hills UTM 10km cell; MH-9E 1N. Skinner Reservoir 518 Comment
  CHSC98419  Agathis robusta A. C. Sanders; Mitch Provance, T. B. Salvato 2001-5-1 24070 Riverside San Bernardino Valley region: Riverside, UCR campus, entomology shop on S Campus Dr. 335 Comment
  UC718133  Agave deserti C. B. Wolf and P. C. Everett 1939-9-29 Riverside 2.7 mi below Dos Palmos Spring (on Palms to Pines road); San Jacinto Range, Deep Canyon 274 Comment
Read comments
Sep 24 2011
  UCD170241  Agave deserti K. M. Meyer; A. Townesmith 2007-3-19 21 Riverside San Bernardino National Forest. San Jacinto Ranger District, Sawmill Trailhead, about 0.3 mi. along Pinon Flats Transfer Station Rd., off of Route 74. 1232 Comment
  SEINET5641187  Agave deserti var. deserti Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28527 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert. 1234 Comment
  UCR89841  Agoseris grandiflora Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3298 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  POM123023  Agoseris retrorsa Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  UCR44418  Agoseris retrorsa A. C. Sanders 1986-6-1 06562 Riverside San Jacinto Mountains, Trail toward Spitler Peak from 'Hurkey Creek Camp to Bonita Vista' [=Apple Canyon] Road 1829 Comment
  SEINET10509773  Agropyron subsecundum David B. Dunn 1946-8-17 Dunn 2677 Riverside Grass near stream at camp in taquitz valley, damp meadow area. San jacinto mts. 2438 Comment
  POM114051  Agrostis exarata Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  CAS-BOT-BC139355  Agrostis idahoensis Carl B. Wolf 1932-8-5 3963 Riverside San Jacinto Mountains. 1st Real, wet meadow on trail from Tahquitz Valley to San Jacinto Peak. Head of fork of Tahquitz Creek. 2743 Comment
  UCD53294  Agrostis scabra August L. Hormay 1932-8-8 s.n. Riverside Tahquitz Valley. Comment
Read comments
Aug 13 2006
  UCR113940  Agrostis viridis Mitch Provance, A. C. Sanders 2000-7-4 2106 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  OBI39187  Alhagi pseudalhagi Dell O. Clark 1969-7-2 s.n. Riverside 2 mi W of Mecca, Coachella Valley Comment
  SBBG64411  Aliciella latifolia subsp. latifolia M. N. Ackley -Feb-1926 806 Riverside near Edom 64 Comment
  CAS-BOT-BC434478  Allionia incarnata Peter H. Raven 1958-3-15 11849 Riverside Box Canyon Comment
  UC1595727  Allionia incarnata W. Wisura, J. Dolan, M. Wall 1992-3-25 4653 Riverside 2.7 mi s of prison on Wileys Well Road Wileys Well Road Comment
  UC119988  Allium burlewii A. W. Anthony 1895-7-7 Riverside San Jacinto Mts. 2743 Comment
  UCR172135  Allium cepa A. C. Sanders 2006-5-11 32251 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
  CLARK-A1528-2791  Allium fimbriatum John C. Roos 1941-5-10 129 Riverside Santa Rosa Mountains Comment
  RSA0120327  Allium fimbriatum Duncan S. Bell, Thomas Stoughton 2016-4-14 9291 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
  JEPS61528  Allium haematochiton W. L. Jepson 1927-4-11 11719 Riverside near Banning (Beaumont); Beaumont Comment
  OBI30459  Allium haematochiton J. C. Roos 1966-3-24 s.n. Riverside Bundy Cyn Rd E of Elsinore Comment
  RSA524460  Allium haematochiton Steve Boyd, Timothy S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4063 Riverside Vail Lake area, E flank of Big Oak Mtn, S of E summit. 610 Comment
  UCR42429  Allium munzii Steve Boyd 1986-4-10 1641 Riverside Peninsular Range, Gavilan Hills region, Temescal Canyon. De Palma Road between Indian Truck Trail & Horsethief Canyon, 1.2 mi east of the Indian Truck Trail exit of Hwy I-15. 372 Comment
  UCR280619  Allium peninsulare var. peninsulare Mitch Provance, Jeremiah George, Matt K. Beyers 2017-4-3 417- 08 Riverside Gavilan Hills, Alberhill Canyon, dirt road portion of Lake St., about 0.8 miles N of Hwy. 15 at Alberhill. 457 Comment
  RSA85583  Allium praecox J. C. Roos 1952-4-2 5468 Riverside Box Springs grade east of Riverside. 427 Comment
  SEINET3878854  Allium praecox D. W. McNeal 1981-3-30 2435 Riverside Ne slope of Gavilan Peak, 0.6 mi S of Cajalco Rd. on Gavilan Rd.; 0 Comment
  UCR124659  Allium praecox B. C. Templeton, C. B. & I. W. Clokey 1930-4-15 1484 Riverside Gavilan Hills, north of Gavilan Peak, west of Perris 549 Comment
  UCR16652  Allophyllum divaricatum Robert Eaton 1968-5-13 680513- 8 Riverside Santa Ana Mtns., Santa Rosa Plateau, Mesa de Colorado, Santa Rosa Road, 6 mi. from Washington Street in Murrieta 610 Comment
  RSA715257  Allophyllum glutinosum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32497 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 488 Comment
  SD181421  Allophyllum glutinosum Scott D. White 2000-8-5 8113 Riverside San Jacinto Mountains; near Mountain Center; unnamed ephemeral drainage (tributary to South Fork, San Jacinto River). 1402 Comment
  SEINET2444454  Allophyllum glutinosum Leigh A. Johnson 1997-4-25 97 -054 Riverside San Bernardino Natl. Forest, Cahuilla Mtn. Along road to Cahuilla Mtn. trail. 1300 Comment
  LA204065  Alnus rhombifolia Louis C. Wheeler; 1933-12-2 2301 Riverside San Jacinto Mountains, Tahquitz Canyon 2438 Comment
  SEINET10481952  Alyssum alyssoides Tilforth 1980-6-10 TILFORTH 1995 Riverside Common perennial at all elevations in this area but more abundant at 6700 ft, Masses in open sunny places among pinus jeffreyi. Ca 1/2 mi. S of thomas mt. Campground, at summit of thomas mt. Rd., W of hwy 74 and s of lake hemet. 2042 Comment
  UCR92271  Amaranthus albus Scott D. White 1995-8-23 3564 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  UCR174250  Amaranthus blitoides A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32496 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
  CLARK-A1528-1395  Amaranthus fimbriatus John C. Roos 1963-10-23 Riverside Chuckwalla Mountains Comment
  RSA596533  Amaranthus hybridus D. L. Banks 1996-7-16 1126 Riverside NW Palomar Mountains; Agua Tibia Mountains; In the Vail Ranch Housing Development, N of the Pechanga Indian Reservation; At the W side of the intersection of Marge Place and Tehachapi Pass( N of Vail Ranch Road). 426 Comment
  UCR174337  Amaranthus powellii A. C. Sanders 1999-9-26 23104 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley, along Hwy 74 at Horse Canyon Rd., toward east end of valley 1448 Comment
  UCR110395  Amaranthus retroflexus A. C. Sanders, Mitch Provance 1999-9-26 23077 Riverside San Jacinto Mountains, McMullen Flat c. 1 km NW of Valley High County Park, c. 1 km SE of Hwy 74 off (W of) Twin Pines Ranch Rd. 1195 Comment
  CDA23780  Ambrosia acanthicarpa Mike Lahti 2008-10-14 PDR# 1509229 Riverside Temecula. 0 Comment
  RSA425023  Ambrosia acanthicarpa J. C. Roos 1965-9-26 s.n. Riverside Hemet Valley, San Jacimto Mtns. Comment
  RSA595915  Ambrosia acanthicarpa Darin L. Banks, Lauren Raz 1996-11-5 1174 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
  CAS-BOT-BC45010  Ambrosia confertiflora Louis C. Wheeler 1933-12-1 2278 Riverside Banning 731 Comment
  OBI25272  Ambrosia dumosa F. Seaman 1971-4-9 35 c Riverside 51.6 mi E of Twentynine Palms on State hwy 62 Comment
  POM4810  Ambrosia dumosa Marjorie Shaw 1916-03 s.n. Riverside Palm springs Comment
  RSA643343  Ambrosia dumosa R. D. Goeden, D. W. Ricker 1970-5-14 s.n. Riverside Coachella Valley: Palm Springs, SW side of Hwy 111, 1.3 mi. SE of Overture Drive, at foot of San Jacinto Mtns. near Desert Angel peak. 274 Comment
  UC896725  Ambrosia dumosa Alice Eastwood 1913-4-30 2990 Riverside Palm Springs Comment
  UCR34895  Ambrosia dumosa L. B. Ziegler 1973-3-6 495 Riverside San Jacinto Mtns, Desert side of Hwy 74, Carriso [Carrizo] Creek 765 Comment
  CLARK-A1528-5016  Ambrosia ilicifolia John C. Roos 1945-10-25 3147 Riverside Chuckwalla Mountains Comment
  RSA335036  Ambrosia psilostachya Steve Boyd 1985-8-7 1104 Riverside Santa Rosa Plateau Region, NW base of Redonda Mesa on Tenaja Road, 0.8 mile east of jct with 8S01 and 8S02. Comment
  SEINET8507136 Image available Ambrosia salsola Deidre Conocchioli, Duncan S. Bell 2014-3-18 261 Riverside Orocopia Mountains 11.6 miles NE of the Salton Sea. 1.9 miles N of Salt Creek drainage; 0.2 miles SW of Gucci Spring. 390 Comment
  SFV9294  Ambrosia salsola D. H. Hoover 1968-3-23 68 43A Riverside Colorado Desert Morongo Valley. North of Palm Springs area. 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
  UC527313  Amelanchier utahensis C. B. Wolf 1931-5-11 Riverside near Pipe Creek (above Hemet Valley); San Jacinto Mts. 1676 Comment
Read comments
Mar 24 2011
  CLARK-A1528-2723  Amorpha californica John C. Roos 1952-6-13 5767 Riverside Box Springs Mountains 487 Comment
  JEPS35491  Amorpha californica var. californica W. L. Jepson 1901-5-25 1446 Riverside Santa Rosa Indian Village Santa Rosa Mts. 1981 Comment
  JEPS35502  Amorpha fruticosa C. V. Meyer 1928-8-2 628 Riverside wash of San Jacinto River base of San Jacinto Mt.; San Jacinto River, at base of San Jacinto Mt. 670 Comment
  SD229150  Amorpha fruticosa Dick Schwenkmeyer 2012-11-6 877 Riverside West fork of Palm Canyon, Agua Caliente Indian Reservation, 4.7 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 227 Comment
  RSA499976  Amsinckia intermedia David Young 1969-4-12 P 403 Riverside 10 mi. SE. of Helmet, California on State St. 335 Comment
Read comments
Apr 6 2013
  UC1084572  Amsinckia intermedia Francia Chisaki, Peter M. Ray 1952-4-6 2198 Riverside 1/4 mi w Cottonwood Springs; Joshua Tree National Monument Comment
  RSA499877  Amsinckia menziesii E. A. McGregor 1965-4-20 s.n. Riverside Near Aguanga, along Rt. 79. Comment
  RSA689377  Amsinckia menziesii var. menziesii Scott D. White 2001-4-19 8384 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
  SDSU18984  Amsinckia menziesii var. menziesii C. Matt Guilliams, Jeannine Ross 2008-3-5 495 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. Collections near the Dudleya multicaulis restoration site. 388 Comment
  UCR41830  Amsinckia tessellata A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6104 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  RSA757798  Amsinckia tessellata var. tessellata LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4289 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  RSA585736  Ancistrocarphus filagineus Darin L. Banks, Steve Boyd 1995-5-9 0399 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 790 Comment
  RSA0000864  Antennaria speciosa H. M. Hall 1891-07 2401 Riverside San Jacinto Mts. Tamarack Valley. 2835 Comment
  RSA594039  Anthriscus caucalis D. L. Banks, Elizabeth Hedge Banks 1996-5-2 930 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve., Approximately 20 m inside the preserve boundary gate, 3 m E of the main road along a open field. 448 Comment
  RSA425776  Antirrhinum coulterianum Ora M. Clark 1929-3-16 1686 Riverside Near Cabazon, Colorado Desert. Comment
  UCR110983  Antirrhinum coulterianum George K. Helmkamp 1998-6-27 4081 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  UCR155052  Antirrhinum coulterianum Jason L. Hlebakos 2005-5-30 825 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  UCSB13305  Antirrhinum coulterianum Elliott, Millicent 1962-5-5 Riverside 6.6 miles south of junction of 8th Street (Banning) with U.S. Highway 70-90; San Jacinto Mountains 1158 Comment
  JEPS5311  Antirrhinum filipes W. L. Jepson 1928-4-25 12604 Riverside Cottonwood Spring; Colorado Desert, Eagle Mts. 731 Comment
  UCR41591  Antirrhinum filipes A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6077 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UC672560  Antirrhinum kelloggii Herbert L. Mason 1926-5-2 3198 Riverside Temecula Valley Comment
  CLARK-A1528-4165  Antirrhinum nuttallianum John C. Roos 1937-5-2 1398 Riverside La Sierra Comment
  RSA689388  Antirrhinum nuttallianum Scott D. White 2003-6-9 9525 Riverside Perris Basin: Northeast corner of Devonshire Ave. and Warren Rd., immediately south of Tres Cerritos. 473 Comment
  UCR112145  Antirrhinum nuttallianum A. C. Sanders, Mitch Provance 1998-5-14 21845 Riverside Jurupa Mtns., Rattlesnake Mtn. (hill 1452m), Crestmore, above water tank west of Cedar Ave., above intersection of Andalusia and Malaga Streets 396 Comment
  POM354918  Antirrhinum nuttallianum subsp. nuttallianum Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  UCR93825  Antirrhinum nuttallianum subsp. nuttallianum G. R. Ballmer, K. T. Stockwell 1995-6-8 s.n. Riverside Peninsular Range, Warm Springs Creek, Budweiser Ranch, 0.25-1 mi upstream of Los Alamos Road crossing 457 Comment
  SD137929  Apiastrum angustifolium Darin L. Banks, Steve Boyd 1995-4-5 154 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove. 505 Comment
  UCR99157  Apiastrum angustifolium A. C. Sanders, G. Helmkamp 1997-3-15 19994 Riverside Peninsular Range, Lake Skinner, SE foot of Bachelor Mtn., just north of the lake 600 Comment
  RSA97396  Apiastrum angustifolium F. W. Peirson 1922-5-19 5430 Riverside 5 miles northeast of Murrieta. Comment
  RSA708175  Apium graveolens Scott D. White, Angelia Carey 2004-5-7 10317 Riverside Indian Creek and adjacent foothills. 549 Comment
  SD229232  Aquilegia formosa Dick Schwenkmeyer 2012-8-28 819 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
  RSA66764  Arabis perennans E. C. Jaeger 1922-6-29 5443 Riverside Tahquitz Valley, San Jacinto Mts. 2104 Comment
  RSA160682  Arabis pulchra Marcus E. Jones 1929-3-9 s.n. Riverside Whitewater, Colorado Desert Comment
  UCR87938  Araujia sericifera A. C. Sanders 1994-1-30 14221 Riverside Corona, Orange Heights section. D.R. Horton Custom Homes tentative tract, north side of Chase Drive between Rimpau (Lester) Avenue and California (Compton) Avenue 300 Comment
  RSA358583  Arceuthobium campylopodum Larry E. DeBuhr 1972-3-23 515 Riverside Santa Rosa Mts; San Bernardino National Forest; northwest of Santa Rosa Pk. 2317 Comment
  RSA629130  Arctostaphylos Jon E. Keeley 1992-7-17 16762 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  RSA629137  Arctostaphylos Jon E. Keeley 1992-7-16 16576 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA629356  Arctostaphylos glandulosa subsp. glandulosa Jon E. Keeley 1992-6-12 15541 Riverside Rd to Elsinore Pk., 1 km S of Elsinore Pk. Santa Ana Mtns. 950 Comment
  RSA1555  Arctostaphylos glandulosa subsp. zacaensis J. T. Howell 1928-7-8 1053 Riverside Santa Ana Mountains above Glen Ivy 1524 Comment
  RSA282770  Arctostaphylos glandulosa var. adamsii C. W. Tilforth, W. Wisura 1979-8-8 1891 Riverside Along Hiway 243, 5.6 mi. south of jct. with Hiway 10, s. of Banning. 1037 Comment
  RSA631734  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19266 Riverside Highway 79, 5 km west of Radec. 580 Comment
  RSA631806  Arctostaphylos glauca Jon E. Keeley 1992-9-27 21811 Riverside Highway 74 at Pinyon Flats, southwest of Palm Desert. 1290 Comment
  RSA228813  Arctostaphylos glauca var. glauca Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 589 Riverside Cleveland National Forest. 5 mi. south of Lake Elsinore along Forest Route 7S04. Comment
  RSA633558  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21789 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633564  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16614 Riverside Road to Santa Rosa Mountain, (7S02), 1.8 km south of Highway 74. 1560 Comment
  RSA633590  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22522 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633597  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-17 16704 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633635  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20158 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633648  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20124 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633666  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21770 Riverside Dirt road to Santa Rosa Mountain, 9.2 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1995 Comment
  RSA633722  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20118 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  CAS-BOT-BC44375  Arctostaphylos pringlei subsp. drupacea H. E. McMinn 1925-7-2 1495 b Riverside Tahquitz Trail - San Jacinto Mts. Comment
  UCR160060  Arctostaphylos pringlei subsp. drupacea Steve Boyd, Valerie Soza 2004-6-22 11552 Riverside Peninsular Ranges; San Jacinto Mountains region, Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along Forest Service Road 5N13 near 5N06 1463 Comment
  UCR95964  Arctostaphylos pringlei subsp. drupacea Scott D. White 1996-8-1 4426 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  POM12029  Arctostaphylos pungens Mary F. Spencer 1919-6-19 1324 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  RSA635794  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16825 Riverside Idyllwild, saunders Mdw. Rd., E of Hwy 243, San Jacinto Mtns. 1610 Comment
  UCR213896  Arctostaphylos pungens Scott D. White, Justin M. Wood 2009-5-22 12893 Riverside San Jacinto Mountains, Quinn Flat Meadow 1396 Comment
  UCR95955  Arctostaphylos pungens Scott D. White 1996-8-1 4416 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  RSA636002  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19549 Riverside Carancho Rd., W. of Temecula. 440 Comment
  RSA667364  Arctostaphylos rainbowensis A. C. Sanders, Kent Beaman 2002-5-10 25056 Riverside Santa Ana Mtns., Santa Rosa Plateau: hills west of the head of De Luz Creek, 0.4 mi south of Tenaja Rd. on west side of Calle Roble near Avenida Matorral. 671 Comment
  UCR189556  Arctostaphylos rainbowensis Annie L. Bustamante 2007-9-6 102 Riverside Pennisular Range- Santa Ana Mountains, Santa Margarita Ecological Reserve; c. 0.7 km west of Highway 15, c. 1 km from Santa Margarita River. Along trail 603 Comment
  JOTR31158  Arenaria macradenia var. macradenia La Doux, Tasha 2009-6-3 1866 Riverside Joshua Tree National Park. (Stop 4): Little San Bernardino Mountains, Covington Flats Area, gravelly slopes below peak 1511 Comment
  POM19799  Argemone munita subsp. munita Mary F. Spencer 1923-8-17 2181 Riverside Prope [near] Kenworthy, Hemet Valley; San Jacinto Mt. 1372 Comment
  CAS-BOT-BC401738  Argemone munita subsp. rotundata Winfield 1975-4-27 2363 Riverside Snow Ck. Rd. ~3 mi from Hiway 111 Comment
  RSA342535  Argythamnia serrata R. F. Thorne, Dick Tilforth 1980-4-16 54018 Riverside San Bernardino Mountains: At mouth of Whitewater Canyon, ca. 1/4 mi. W of Whitewater P.O. and 1/2 mi. W of Whitewater River. 415 Comment
  CAS-BOT-BC137646  Aristida adscensionis Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs. Comment
  CLARK-A1528-4463  Aristida adscensionis John C. Roos 1952-4-9 5508 Riverside Mount Rubidoux 365 Comment
  RSA719236  Aristida adscensionis Michael Honer, L. Hulse 2004-4-3 1916 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. 610 Comment
  SEINET3223161 Image available Aristida adscensionis George Helmkamp 1995-3-16 Riverside Colorado Desert; desert pavement on alluvial fan below rocky slopes of Coxcomb Mountains, W of Rice Road, 10.3 miles NE of Desert Center. 200 Comment
  UCR133745  Aristida adscensionis F. R. Fosberg 1932-3-13 8102 Riverside Sonoran (Colorado) Desert, Coachella Valley, Thousand Palms Canyon 213 Comment
  UCR139363  Aristida adscensionis I. M. Johnston 1918-4-27 1861 Riverside Santa Ana Mtns. Region, Temescal Canyon 366 Comment
  UCR144088  Aristida adscensionis Scott D. White 1999-4-20 7275 Riverside Colorado River Valley, Blythe area, Southern foothills of the Big Maria Mtns, NW of Calif. Hwy 95, c. 7 road mi N of the junction of Hwy 10 and Intake Blvd in Blythe 137 Comment
  CLARK-A1528-4475  Aristida parishii John C. Roos 1940-2-17 891 Riverside Reche Canyon 457 Comment
  RSA741056  Aristida purpurea var. longiseta Scott D. White, Justin M. Wood 2008-6-5 12063 Riverside Quinn Flat Meadow. 1372 Comment
  CAS-BOT-BC137512  Aristida purpurea var. purpurea J. C. Roos 1965-8-15 s.n. Riverside San Jacinto Valley. Gilman Hot Springs. Comment
  CLARK-A1528-1559  Artemisia californica John C. Roos 1951-10-27 5347 Riverside Riverside 304 Comment
  UCR277728  Artemisia douglasiana Mitch Provance 2012-10-15 1012- 07 Riverside Badlands of Western Riverside County, San Timoteo Creek, about 3.5 miles west of Beaumont, N side of Hwy. 60 1479 Comment
  SD245246  Artemisia dracunculus R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49533 Riverside Santa Ana Mountains: along Ortega Highway (74). Comment
  CAS-BOT-BC93732  Artemisia ludoviciana subsp. albula Louis C. Wheeler 1933-12-2 2297 Riverside Tahquitz Canyon, San Jacinto Mts. 182 Comment
  CAS-BOT-BC93765  Artemisia ludoviciana subsp. albula Edmund C. Jaeger 1922-4-21 s.n. Riverside Palm Springs, Tacquitz Canyon [Canon] Comment
  UCR75042  Asclepias albicans A. C. Sanders, E. Lawlor 1992-4-4 12156 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  OBI42557  Asclepias californica A. C. Sanders & B. Pitzer, B. Pitzer 1986-4-30 6488 Riverside San Jacinto mts, head of Bee Cyn along Bee Cyn Rd, 1.7 mi above the mouth of the cyn at the San Jacinto river valley 792 Comment
  POM3580  Asclepias californica Robinson, Crocker 1916-3-28 s.n. Riverside Santa Ana Mountains: Comment
  RSA263781  Asclepias eriocarpa Robert Harvey 1959-8-4 157 Riverside Tin Mine Canyon Calif. near Corona. 610 Comment
  SD245239  Asclepias eriocarpa R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49540 Riverside Santa Ana Mountainss: along Ortega Highway (74), perhaps 1/4 mile west of El Cariso. Comment
  JEPS6278  Asclepias erosa W. L. Jepson 1914-5-16 6064 Riverside e base Mt. San Jacinto (Palm Springs); Colorado Desert Comment
  UC22976  Asclepias erosa H. M. Hall 1897-7-30 759 Riverside near base e side San Jacinto Mts. 1524 Comment
  RSA1203  Asclepias subulata B. D. Stark 1930-8-17 892 Riverside Box Canyon. Comment
  RSA401112  Asclepias subulata Anstruther Davidson 1921-10-1 s.n. Riverside Palm Springs. Comment
  UCR116584  Asphodelus fistulosus A. C. Sanders, T. B. Salvato 2001-5-24 24371 Riverside Perris-Aguanga Basin, Temecula, Long Canyon area west of Del Rey Rd. along Avenida Buena Suerte 381 Comment
  UC1532830  Aspidotis californica Robert F. Thorne and Earl Lathrop 1975-5-25 45554 Riverside Mesa de Burro Rancho California; Santa Rosa Plateau 60 Comment
  LA202859  Asplenium vespertinum Lawrence L. Kiefer; 1963-9-22 960 Riverside Magee Hills, Tucalota Creek W of Sage, Indian Camp Grounds, steep rocky slope ca. 0.5 mi. NE of picnic area; 761 Comment
  RSA417656  Aster subulatus var. ligulatus L. C. Wheeler 1932-9-4 1335 Riverside Santa Ana River at Chino Creek 183 Comment
  RSA639701  Aster subulatus var. ligulatus Scott D. White 1998-12-2 7198 Riverside Temescal Canyon - Lake Elsinore area. 365 Comment
  RSA23110  Astragalus aridus I. L. Wiggins 1938-3-19 8901 -A Riverside 25 miles W of Blythe. Comment
  JOTR32189  Astragalus bernardinus Harding, Mitzi & Herskovits, Tasya, D. Oquendo 2011-5-5 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Gravelly hills above canyon wash (Stop 3) 1217 Comment
  JOTR30258  Astragalus coccineus Leary, C. and Leary, Pat 1979-5-6 3030 Riverside Joshua Tree National Park. ca. 1.0 mi S.E. of Quail Mtn., Joshua Tree N.M., T2S R7E sec 14 Comment
  RSA715250  Astragalus didymocarpus Brett Hartman 2006-4-28 s.n. Riverside Lake Elsinore back basin on NE side of lake. 384 Comment
  UCR272508  Astragalus didymocarpus Mitch Provance 2013-2-16 213- 01 Riverside Santa Ana River Valley, Riverside, Arlanza area, W side of Hole Lake and adjacent mesa. 226 Comment
  UC68629  Astragalus didymocarpus var. dispermus H. M. Hall Apr., 1905 5940 Riverside McCoy Wash , McCoy Wash (Colorado Desert) 91 Comment
  PASA2725  Astragalus douglasii Margaret Stason 1931-5-24 Riverside Pine woods, Idyllwild Comment
  UC1543239  Astragalus douglasii Donald G. Nelson 1936-5-21 380 Riverside n Mt. Thomas (e of Lake Hemet, slopes just n of meadow in valley just e of Jurkey Creek Camp area, San Jacinto Mountains); San Jacinto Mountains, e of Lake Hemet, n of Mt. Thomas Comment
  RSA801812  Astragalus douglasii var. parishii LeRoy Gross, Caitlin Elam 2013-5-21 6106 Riverside West edge of Pine Cove. Between Pine Cove and Red Hill Road(5S10). 1784 Comment
  CAS-BOT-BC187111  Astragalus lentiginosus var. borreganus John Thomas Howell 1928-3-11 3439 Riverside 6 miles se. of Garnet Station, Coachella Valley, Colorado Desert 152 Comment
  CAS-BOT-BC187117  Astragalus lentiginosus var. borreganus Geo. B. Grant 1906-4-8 6747 Riverside Palm Springs Comment
  UC517561  Astragalus lentiginosus var. coachellae John Thomas Howell 1928-3-11 3439 Riverside Garnet Station , Garnet Station (Coachella Valley) Comment
  RSA336199  Astragalus nuttallianus var. cedrosensis R. F. Thorne, Walter Wisura, Avi Shmida, R. Whittaker 1978-4-23 52013 Riverside Chino Canyon. Comment
  POM15068  Astragalus pachypus var. jaegeri Mary F. Spencer 1922-4-25 1779 Riverside Lamb Canyon Pass, Banning. Comment
  RSA202707  Astragalus palmeri Marcus E. Jones 1933-4-2 s.n Riverside Palms to Pines Road, S of Coachella Valley. 1067 Comment
  RSA593378  Astragalus palmeri Scott D. White 1996-7-23 4358 -A Riverside Pinyon Flat Area: N of Hwy 74, ca. 10 road miles E of jct. w/Hwy 371. W facing slope of Sugarloaf Mtn. and adjacent valley. 1250 Comment
  CAS-BOT-BC194126  Astragalus pomonensis Carl B. Wolf 1935-4-7 6298 Riverside Gavilan Hills Region, 1 mi. W of Val Verde 487 Comment
  CAS-BOT-BC194130  Astragalus pomonensis Peter H. Raven; Sidney R. Snow 1956-7-6 9656 Riverside 0.3 miles from U.W. Highway 60 on State Highway 79 on route to Gilman Hot Springs Comment
  CAS-BOT-BC194145  Astragalus pomonensis Marcus E. Jones 1926-5-29 s.n. Riverside South of Temecula Comment
  RSA415654  Astragalus pomonensis N. C. Cooper 1949-3-18 3165 Riverside Elsinore. 457 Comment
  SBBG3239  Astragalus pomonensis H. and M. Dearing 1939-4-5 3089 Riverside above Hemet Valley on Beaumont Rd Comment
  UCR154972  Astragalus pomonensis A. C. Sanders, Kelly Volansky 2005-3-17 29216 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  CAS-BOT-BC193161  Astragalus sabulonum Aven Nelson; Ruth Nelson 1939-3-29 3307 Riverside About 8 miles southeast of Mecca, on hiway to Hidden Springs Comment
  JOTR29375  Astragalus tricarinatus La Doux, Tasha, Mike Bell 2006-5-10 1452 Riverside Joshua Tree National Park. East Deception Canyon, near park boundary Comment
  RSA772581  Astragalus tricarinatus Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5052 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
  RSA779951  Astragalus tricarinatus Duncan S. Bell, Jennifer Pilapil 2011-5-24 2567 Riverside Mission Creek canyon approximately 1 mile north of Mission Creek Ranger Station. 809 Comment
  UCR281111  Athysanus pusillus Mitch Provance, Jeremiah George 2017-3-21 317- 12 Riverside Temescal Valley, N of Hwy 15, and adjacent to S side of Temescal Canyon Rd., above Horsethief Wash (E branch impeded by development) 370 Comment
  RSA452696  Atriplex argentea N. C. Cooper 1943-10-9 955 Riverside Hemet. 305 Comment
  CLARK-A1528-393  Atriplex canescens Charlotte Stocks 1951-9-15 Riverside Coachella Indio 7.5'Q Comment
  JOTR34467  Atriplex canescens subsp. canescens La Doux, Tasha, M. Harding, B. Truesdell, D. Shade 2012-9-25 3157 Riverside Joshua Tree National Park. Cottonwood Mountains; Cottonwood Spring 914 Comment
  UCR235046  Atriplex coronata var. notatior A. C. Sanders, John F. Green 2012-5-27 40219 Riverside Peninsular Range; Santa Ana Mtns. Region, Lake Elsinore area, Baker St. south of Nichols Rd. 386 Comment
  RSA696357  Atriplex hymenelytra Anonymous s.n. Riverside Thousand Palms. Comment
  POM278754  Atriplex lentiformis subsp. breweri Grant D. Brown 1950-12-2 580 Riverside Cajalco Resevoir, SE; Cajalco Canyon. 442 Comment
  JEPS59643  Atriplex polycarpa S. B. Parish 1912-10-10 8262 Riverside Mecca Salton Basin, Mecca -57 Comment
  JEPS59651  Atriplex polycarpa Mary Beal 1939-10-25 711 Riverside Palm Springs area , Palm Springs area (Mojave Desert) Comment
  SEINET4135539  Atriplex polycarpa Howard C. Stutz 1988-1-14 94543 Riverside Near Salton Sea, Riverside County Line, Ave. 86.; 0 Comment
  UCR49997  Atriplex polycarpa Theo Glenn 1984-10-2 s.n. Riverside Western Colorado Desert, Coachella Valley, Thousand Palms Oasis, in the Indio Hills 168 Comment
  SEINET4136167  Atriplex serenana D. Bramlet 1991-6-1 2179 Riverside 3 km west of Nuevo and some 20 m. east of the San Jacinto River. The population is some 300 m. south of the end of 11th Street, just east of an existing dirt road.; 0 Comment
  SD234361  Atriplex serenana var. serenana R. E. Jr. Riefner 2006-8-13 06 394 Riverside Perris-Aguanga Basin: SW of Perris along Hwy 74 at Good Hope, NE of Betty Rd. 470 Comment
  SD181603  Atriplex suberecta Scott D. White 2001-7-9 8722 Riverside Menifee, ca. 1 mile southwest of Bell Mountain and I(c) mile east of I-215 Freeway; Romoland [quad]. Barley field and disused cattle pond. Disturbed area around seasonally pooled place. 445 Comment
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Jan 8 2009
  UCR182322  Atriplex suberecta Mitch Provance 2003-4-18 6605 Riverside San Bernardino Valley, Riverside, Santa Ana River Wash, just under and NE of the Market St. Bridge 244 Comment
  UCR114340  Atriplex triangularis Mitch Provance, S. D. Boyd 1999-9-14 1781 Riverside Riverside, Riverbottom along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River at the Mission Bridge, along bike path, vicinity of old Boy Scout camp 238 Comment
  SEINET7048193  Avena fatua Steven R. Hill, Andrew C. Sanders 2001-5-4 33702 Riverside Temecula; along new gas line right-of-way, north of Del Ray Road near junction with Calle Pii+-a Colada. Bachelor Mountain 7.5 minute U.S.G.S. quadrangle. Elevation about 1250 feet. Comment
  SBBG72745  Ayenia compacta M. D. Clary 1931-4-4 1282 Riverside Coral Reef Cyn 15 Comment
  RSA192262  Azolla filiculoides Earl W. Lathrop 1965-3-30 5609 Riverside 12 miles west of Murrieta. Tenaja Range Comment
  SD249125  Baccharis brachyphylla Duncan S. Bell, Evan Meyer 2014-10-29 7679 Riverside Santa Rosa Mountains; collecting in Agua Alta Canyon to the north of Martinez Canyon, ca. 6.0 air miles southeast of the summit of Martinez Mountains. 394 Comment
  UCR274215  Baccharis brachyphylla Duncan S. Bell, Evan Meyer 2014-10-29 7679 Riverside Santa Rosa Mountains, Agua Alta Canyon, to the north of Martinez Canyon, c. 6 air miles southeast of the summit of Martinez Mountain 394 Comment
  CLARK-A1528-1622  Baccharis emoryi John C. Roos 1937-9-12 Riverside Santa Ana River Comment
  POM320339  Baccharis emoryi Patricia Wilder 1971-11-17 5320 Riverside Along the Santa Ana River at end of Pedlay Sreet, north of Norco. 198 Comment
  RSA44349  Baccharis emoryi W. I. Follett 1948-10-31 s.n. Riverside 7.3 miles W & 7.4 miles S of Blythe Comment
  RSA570753  Baccharis emoryi Steve Boyd, Timothy S. Ross, Travis Columbus 1993-10-23 8200 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, upper Morrell Canyon along Morgan Trail (5W02). 878 Comment
  CAS-BOT-BC106739  Baccharis salicifolia C. L. Hitchcock 1966-3-15 24159 Riverside 3 mi. e. of Glen Ivy Hot Springs, in sandy wash. Comment
  CAS-BOT-BC106750  Baccharis salicifolia Carl B. Wolf 1932-5-25 3672 Riverside No. base of San Jacinto Mts. Snow Creek Canyon, 1 mi. below fish hatchery. 396 Comment
  RSA93199  Baccharis salicifolia F. W. Peirson 1918-03 2231 Riverside Whitewater at head of Coachella Valley. Comment
  RSA93201  Baccharis salicifolia F. W. Peirson 1924-12-30 5424 Riverside Thousand-Palms Canyon, Colorado Desert 122 Comment
  CAS-BOT-BC99889  Baccharis sergiloides Carl B. Wolf 1932-10-11 4271 Riverside Colorado Desert. Little San Bernardino Mts. Morongo Wash, 3/10 mi. below San Bernardino Co. line 670 Comment
  OBI16958  Baccharis sergiloides Louis C. Wheeler 1933-12-1 2292 Riverside mouth of Tahquitz Canyon, San Jacinto Mts. 152 Comment
  UC893736  Baccharis sergiloides Carl B. Wolf 1932-10-11 4271 Riverside Morongo Wash, 3/10 mi below San Bernardino Co line Colorado Desert, Little San Bernardino Mts. 670 Comment
  PASA2173  Baeria aristata Frank W. Peirson 1922-5-19 Riverside 5 miles northeast of Murietta 457 Comment
  CAS-BOT-BC295892  Bahiopsis parishii Munz; Street 1919-5-7 2722 Riverside Colorado Desert. Tahquitz Canon [Canyon], Palm Springs Comment
  POM6936  Bahiopsis parishii Philip A. Munz, L. T. Street 1919-5-7 2722 Riverside Tahquitz Canon, Palm Springs Comment
  UCSB9966  Baileya multiradiata Beeks, Richard 1952-4-5 Riverside 12 miles E. of Shaver Summit Comment
  CHSC26007  Bebbia juncea James Henrickson 1971-4-2 5482 Riverside Near Hidden Oasis, 13 miles E of Palm Springs. 182 Comment
  UCSB16944  Bebbia juncea Winn, Will 1963-4-8 Riverside 39.4 miles west of Desert Center on U.S. Highway 60-70 152 Comment
  SEINET10616173  Bebbia juncea David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3740 Riverside Found growing in a wash. Indio Hills, Colorado Desert. Near Pushawalla. Comment
  SD241735  Bebbia juncea var. aspera A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38384 Riverside Peninsular Range: southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake Street, c. 1.0 mile NNE (04a^z) of intersection of I-15 and Lake Street (Alberhill 7.5'Q) 484 Comment
  UC50336  Bebbia juncea var. aspera H. M. Hall 1903-4-14 3803 Riverside vicinity of Riverside (Point of Rocks); Point of Rocks 396 Comment
  UCR240639  Berberis dictyota Tracy Tennant, Mitch Provance 1998-6-16 MOR- 429 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  CLARK-A1528-5634  Berberis nevinii John C. Roos 1948-2-21 3772 Riverside San Timoteo Canyon Comment
  UCR13715  Bernardia myricifolia N. R. Zabriskie, W. W. Zabriskie 1972-4-9 510 Riverside Peninsuar Range; Santa Rosa Mtns/Sonoran (Colorado) Desert, small canyon NW from Hwy 74 at [hwy mile post] 81.72, Deep Canyon watershed, site 8 1220 Comment
  RSA724079  Beta vulgaris R. E. Riefner 1998-4-22 98 -266 Riverside City of Wildomar, near Lake Elsinore, N 0.25 mi from Union St. and Corydon Rd. 367 Comment
  UCR116865  Bloomeria crocea A. C. Sanders, Steven R. Hill 2001-5-4 24124 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  SD181442  Boerhavia coccinea Scott D. White 1999-4-20 7276 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. junction in Blythe. 89 Comment
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Aug 21 2019
  UCR19108  Boerhavia coccinea John C. Roos 1948-5-15 3858 Riverside Sonoran (Colorado) Desert, S foot of the Eagle Mtns, mouth of Lost Palms Wash Comment
  UCR264211  Boerhavia coulteri A. C. Sanders 2015-9-12 41884 Riverside Sonoran (Colorado) Desert, Desert Center, south of I-10 at the Eagle Mountain Road junction 361 Comment
  SD129259  Boerhavia intermedia A. C. Saunders 1989-9-19 9511 Riverside Chocolate Mountains arial gunnery range 1.75 km (airline) south of Tabaseca Tank, along the wash above Tabatesca Target 640 Comment
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Sep 24 2017
  UCR244886  Boerhavia triquetra A. C. Sanders, T. B. Salvato 2012-10-12 40403 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass, 7.6 km (c. 4.5 mi.) above the road to Chuckwalla Spring on Graham Pass Rd. 387 Comment
  UCR264242  Boerhavia triquetra var. intermedia A. C. Sanders, Jim Malusa 2015-9-10 41849 Riverside Sonoran (Colorado) Desert, Salt Creek Canyon, along Summit Road c. 1.5 miles above mouth of Red Canyon, edge of Chocolate Mountains Aerial Gunnery Range 433 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
  UCR128934  Boerhavia wrightii Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Sonoran (Colorado) Desert, Canyon Spring, Orocopia Mtns. 372 Comment
  UCR43367  Boerhavia wrightii R. F. Thorne, R. Dahlgren 1979-8-23 53603 Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument, Pinto Basin Road: along Road, 4.5 mi south of meeting area of Mojave and Colorado Deserts 1098 Comment
  PASA1886  Boisduvalia glabella Frank W. Peirson 1922-5-19 Riverside Menifee Valley 426 Comment
  RSA526373  Bouteloua aristidoides Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring, Chuckwalla Mountains, Colorado Desert. Comment
  UCR198196  Bouteloua aristidoides var. aristidoides Michael Honer, L. Hulse 2004-4-3 1917 Riverside Colorado Desert, Little San Bernardino Mountains, Rockhouse Canyon c. half mi north of intersection with Fargo Canyon 610 Comment
  POM294728  Bouteloua barbata Lyman Benson 1945-11-11 11961 Riverside Palm Springs. -30 Comment
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Apr 25 2011
  RSA697688  Bouteloua barbata J. Russell Bruff 1929-12-28 451 Riverside Dos Palmas Comment
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Jun 10 2012
  SEINET12798918  Bowlesia incana A. C. Sanders 2005-1 29848 Riverside Alt: 625m/2050ft. Gavilan Hills near Riverside: ca. 1 km east and southeast of Gavilan Peak 635 Comment
  RSA674966  Brachypodium distachyon Scott D. White, Teresa Salvato 2001-6-8 8584 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  RSA118960  Brandegea bigelovii L. S. Rose 1957-1-8 s.n. Riverside Pal Desert 91 Comment
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Feb 20 2013
  RSA758319  Brandegea bigelovii Doug Goldman 2005-3-3 3022 Riverside Box Canyon, along the west side of Box Canyon Road, around 10 miles southwest of the intersection with Interstate 10 and around 0.7 miles southeast of Blake Hill 268 Comment
  UC635671  Brandegea bigelovii Margaret Stason 1927-3-12 Riverside Colorado Desert, Painted Canyon Painted Canyon; Colorado Desert, Painted Canyon Comment
  UCR150009  Brassica geniculata Scott D. White, Angelia Carey 2004-4-16 10170 Riverside San Jacinto Mountain foothills, Indian Creek and adjacent slopes 610 Comment
  UCR201682  Brassica geniculata Scott D. White, Justin M. Wood 2008-5-15 11991 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  UCR215512  Brassica geniculata Daphne K. Christopher, Hannah I. Stevens 2003-4-4 095 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve, off Sage Road 530 Comment
  CAS-BOT-BC36847  Brassica tournefortii Lewis S. Rose 1962-3-2 62006 Riverside La Quinta. 3 Comment
  UC1922491  Brassica tournefortii Scott D. White 2005-3-29 10826 Riverside San Gorgonio Pass: Cabazon. Alluvial fan and benches west of San Gorgonio river and south of I-10 Freeway. West of existing gravel quarry, likely to be proposed for quarry expansion. Comment
  UCR177438  Brassica tournefortii Scott D. White 2003-3-23 8844 Riverside Santa Rosa Mountains, Desert slope, Hwy 74 near Carrizo Creek crossing 762 Comment
  RSA0127781  Brassica tournefortii G. Rink 2013-3-17 11865 Riverside About ten miles west of Blythe, on the proposed Quartzite solar power plant. 125 Comment
  RSA561424  Brickellia californica Steve Boyd 1992-9-9 7685 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Almos Road (7S04) and the confluence of Los Almos Creek., Up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  POM229413  Brickellia desertorum Noel Wallace 1937-1 45 Riverside Indian Canyon, Box Springs Mts. Comment
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Sep 7 2011
  UC1010313  Brickellia desertorum John and Lucille Roos 1950-9-30 4996 Riverside .5 mi se of Citrus Experiment Station (Box Springs Grade); Box Springs Grade 396 Comment
  UCR18574  Brickellia desertorum John C. Roos 1965-9-12 s.n. Riverside Santa Ana Mtns., Tin Mine Canyon, 3 mi SW of Corona 550 Comment
  UCR19256  Brickellia incana John C. Roos 1947-11-1 3751 Riverside Sonoran (Colorado) Desert, Eagle Mountains, mouth of Lost Palms Canyon, & up the canyon some distance Comment
  UCR113637  Brodiaea coronaria June Latting 1978-6-4 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, Mesa de Colorado 640 Comment
  RSA70166  Brodiaea filifolia F. W. Peirson 1930-5-10 8772 Riverside 1 mile east of Perris 457 Comment
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Nov 15 2007
  UCR111613  Brodiaea filifolia D. E. Bramlet 2000-5-3 3010 Riverside Perris Basin, 908-915m east of Perris Valley airport, 31-183m west of Case Rd. and 31-335m north of the San Jacinto River 433 Comment
  RSA752784  Brodiaea terrestris subsp. kernensis Scott D. White, Justin M. Wood 2009-5-21 12848 Riverside McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  UC3326  Brodiaea terrestris subsp. kernensis H. M. Hall June, 1901 2093 Riverside meadows in vicinity Strawberry Valley; San Jacinto Mountains 1402 Comment
  SEINET239061 Image available Bromus arizonicus O. F. Clarke 1973-3-21 Riverside Riverside. Weed at the O.F. Clarke residence, 1012 Spruce Street. Comment
  JOTR33679  Bromus berteroanus La Doux, Tasha 2005-9-1 1594 Riverside Joshua Tree National Park. Eagle Mountains, northwest end; 3.5 miles north of Cottonwood Visitor Center; granitic outcrops with sandy wash Comment
  RSA781243  Bromus berteroanus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37668 Riverside 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 375 Comment
  SDSU945  Bromus carinatus var. carinatus A. H. Gallup 1948-6-12 204 Riverside At Idylwild along road, San Jacinto Mts, Pacific Slope Comment
  UC69352  Bromus carinatus var. carinatus H. M. Hall 1901-7 2408 Riverside San Jacinto Mountains, Tamarack Valley Tamarack Valley; San Jacinto Mountains, Tamarack Valley 2926 Comment
  UCR2216  Bromus catharticus F. M. Reed 1933-6-23 7863 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside, Terraces Ranch [547 Chicago Ave., near Arroyo Tequesquite] 290 Comment
  CAS-BOT-BC155879  Bromus ciliatus Philip A. Munz 1938-8-14 15356 Riverside Virgin Spring, Santa Rosa Peak. 2286 Comment
  UCR2234  Bromus hallii F. M. Reed 1908-7-14 2449 Riverside San Jacinto Mtns, Dry ridge on south side of Tahquitz 2378 Comment
  UCR108873  Bromus hordeaceus Heidi A. Haid 1968-3 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR120895  Bromus rubens A. C. Sanders, D. Malueg 2002-4-8 24907 Riverside Perris-Aguanga Basin region, Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta 396 Comment
  UCR233072  Bromus rubens Edith B. Allen 2012-1-14 112- 02 Riverside Riverside, western foot of the Box Springs Mtns. on east edge of town, Islander Park, north of the east end of Big Springs Rd. 353 Comment
  UCR97454  Bromus rubens A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19843 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  UC1043018  Bromus trinii John and Lucille Roos 1952-5-24 5711 Riverside hills n of Moreno 518 Comment
  POM310141  Caesalpinia virgata Hulda Crooks 1946-3-2 267 Riverside Palm Springs area. 139 Comment
  UCR86192  Caesalpinia virgata A. C. Sanders 1995-5-23 17125 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fans below the Santa Rosa Mountains, near the mouth of Martinez Canyon, at end of 72nd Avenue 25 Comment
  POM280839  Calandrinia ciliata Henry J. Ramsey, Henry J. Ramsey 1940-3-15 s.n. Riverside Corona, south of fields-hillsides. Comment
  UC1506080  Calandrinia ciliata Robert T. Clausen 1963-4-18 63051 Riverside in plots of Soil Conservation Service Transverse Ranges, Temecula 300 Comment
  UCR162412  Calandrinia ciliata S. J. Myers, Chet McGaugh 2003-4-7 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1098 Comment
  RSA651313  Calocedrus decurrens J. H. Reynolds 1981-2-14 11 Riverside Idyllwild Visitor Center. 10 m due W from visitor center museum entrance. 1900 Comment
  RSA377346  Calochortus concolor N. C. Cooper 1944-7-16 1386 Riverside San Jacinto Mountains. West side. 1220 Comment
  RSA588180  Calochortus concolor Darin L. Banks, Steve Boyd 1995-6-27 737 Riverside NW Palomar Mountains; Agua Tibia Mountains; Along the Crosley Road, S of the Cutca Road junction; Approximately 1/8 mile S of the junction between the Cutca and Crosley Roads. 792 Comment
  UCR201434  Calochortus concolor Scott D. White, Justin M. Wood 2008-6-17 12178 Riverside San Jacinto Mountains, Garner Valley, USFS Kenworthy Station 1402 Comment
  RSA593785  Calochortus palmeri var. munzii Jeri Hirshberg 1995-5-19 280 Riverside San Jacinto Mountains, Garner Valley, north of Morris Creek. Comment
  UCR29262  Calochortus palmeri var. munzii A. C. Sanders 1980-6-11 1576 Riverside San Jacinto Mtns, Garner Valley area, 1.8 mi NE of Kenworthy Ranger Station on Morris Ranch Road 1616 Comment
  RSA297875  Calochortus splendens David M. Hutt 1965-6-23 s.n. Riverside Raised at the Univ. of California Botanical Garden (No. 62.169) from collection by H.M. & R.S. Beard, 11 May 1962 Comment
  RSA674935  Calochortus splendens Scott D. White 2000-5-30 7969 Riverside Corona Foothills: ca. 1 mi SE of the I-15/El centro Rd jtn. Adv to new housing construction. Alluvial terrances with steep, incised channels. 335 Comment
  RSA162804  Calochortus weedii var. intermedius John Olmsted 1958-6-10 156 Riverside 6.5 miles SW of Corona on Oak Flat fire road (Turn S in Corona from US onto Lincoln), lower Santa Ana River Drainage Area, Santa Ana Mountains. 732 Comment
  UCR209401  Calochortus weedii var. intermedius Fred M. Roberts, Robt. L. Allen 2008-6-23 7051 Riverside Santa Ana Mountains, Santiago Peak, east slope, Main Divide Truck Trail, 0.7 km northeast of summit 1580 Comment
  RSA525319  Calycadenia tenella Steve Boyd 1990-4-29 4473 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  RSA525344  Calycadenia tenella Steve Boyd 1990-4-28 4442 A Riverside Vail Lake area, summit of 'Big' Oak Mtn, N of lake 762 Comment
  JOTR16572  Calycoseris parryi Moore, Sue 1968-4-29 s.n. Riverside Joshua Tree National Park. COTTONWOOD CANYON Comment
  UCR47204  Calycoseris parryi B. G. Pitzer, L. F. LaPre 1987-3-2 0436 Riverside Peninsular Range, Bundy Canyon, c. 2 miles SE of Lake Elsinore, 0.5 mile north of Bundy Canyon Road off Raciti Rd. 703 Comment
  OBI8308  Calycoseris wrightii David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-27 12057 Riverside Along Box Cyn rd ca 20 mi ENE of Mecca in Orocopia Mts 274 Comment
  RSA777833  Calycoseris wrightii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 851 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
  SEINET222296  Calyptridium monandrum B. Ertter, J Strachan 1979-6-26 2984 Riverside Hwy 243 near Idylwild San Jacinto Mts Comment
  UCR116626  Calyptridium monandrum A. C. Sanders 2001-3-20 23848 Riverside Western Colorado Desert, Coachella Valley, Garnet, north side of 19th Ave., 1/2 mi. (airline) NW of intersection of I-10 and Indian Ave. 235 Comment
  UCR259196  Calyptridium monandrum Mitch Provance, Jeremiah George 2012-4-24 412- 03 Riverside San Gorgonio Pass, Smith Creek SW of Banning, west of the west end of Bobcat Rd. 734 Comment
  UCR26223  Calyptridium monandrum John C. Roos 1947-3-15 3329 Riverside San Jacinto Valley, Valle Vista, east of Hemet 549 Comment
  CDA37136  Calystegia macrostegia subsp. tenuifolia Mike Lahti 2012-4-22 PDR# 1590340 Riverside Hemet; Near Grant St., south of Florida Ave. 0 Comment
  RSA291569  Calystegia occidentalis subsp. fulcrata C. W. Tilforth, John Dourley 1980-7-15 2077 Riverside South of Thomas Mountain Campground along Thomas Mountain Road, south of Lake Hemet & west of Highway 74. Comment
  UCR273979  Calystegia sepium subsp. binghamiae Mitch Provance 2013-5-29 513- 13 Riverside Santa Ana River Valley, Riverside, Fairmount Park, W side of Lake Evans, W side of Dexter Drive, just SW of the American Legion. 241 Comment
  RSA147863  Camissonia bistorta J. B. Feudge 1927-6-5 1719 Riverside Winchester. 412 Comment
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Mar 20 2011
  UCR174434  Camissonia bistorta A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32494 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
  UCR167453  Camissonia boothii John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  RSA465962  Camissonia boothii subsp. condensata E. C. Jaeger 1922-3-22 s.n. Riverside Murray Canyon, Near Palm Springs. Comment
  CLARK-A1528-3321  Camissonia brevipes John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  RSA162862  Camissonia brevipes John Olmsted 1958-3-30 90 Riverside Dry wash in first hills N of Southern entrance to Joshua Tree National Monument on Cottonwood Pass road with southern drainage toward Salton sea. 838 Comment
  RSA443546  Camissonia brevipes subsp. brevipes J. C. Roos 1966-3-20 s.n. Riverside 2 miles SE of Desert Center. Comment
  RSA466014  Camissonia brevipes subsp. brevipes E. S. Spalding 1926-2-13 s.n. Riverside Colorado Desert, Box Canyon Comment
  RSA550353  Camissonia brevipes subsp. brevipes Walter Wisura, J. Dolan, M. Wall 1992-3-24 4635 Riverside 13.1 miles NE of Mecca on Box Canyon Road. Comment
  SJSU10932  Camissonia brevipes subsp. brevipes T. N. Seeno 1963-4-12 273 Riverside 45 mi W of Blythe near Desert Center Comment
  RSA192045  Camissonia californica E. W. Lathrop 1966-5-16 6326 Riverside Tenaja Grade, 2 miles SW of Murrieta on the Tenaja Road. Comment
  RSA523538  Camissonia californica Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3998 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  POM3190  Camissonia campestris subsp. campestris H. M. Hall 1902-04 2917 Riverside Vicinity of Winchester 457 Comment
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Mar 20 2011
  RSA136890  Camissonia cardiophylla Peter H. Raven 1958-1-24 11472 Riverside Painted Canyon, near Mecca. Comment
  CAS-BOT-BC154113  Camissonia claviformis N. Aitkenhead 1977-2-1 s.n. Riverside ~2 mi. W. of junction of 1000 Palms Rd & T/L Comment
  HSC66564  Camissonia claviformis Christopher Davidson, H. Surprenant, A. P. Romspert 1979-4-29 7817 Riverside W of Indio, 3 mi. E of Date Palm Dr. 15 Comment
  UCR148463  Camissonia claviformis John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  POM265109  Camissonia claviformis subsp. aurantiaca I. L. Wiggins 1937-3-9 8759 Riverside 5 miles west of Shaver's Well. Comment
  RSA101675  Camissonia claviformis subsp. aurantiaca T. C. Porter 1888-2-28 s.n. Riverside California--Colorado Desert on Salt Creek, on the South Pacific Railroad -69 Comment
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Feb 3 2011
  RSA135286  Camissonia claviformis subsp. aurantiaca Peter H. Raven 1958-2-15 11570 Riverside Corn Springs, Chuckwalla Mountains. Comment
  RSA448931  Camissonia claviformis subsp. aurantiaca P. A. Munz 1930-4-6 13708 Riverside 1000 Palms. Comment
  RSA72237  Camissonia claviformis subsp. aurantiaca F. W. Peirson 1920-2-16 2707 Riverside Palm Canyon stream below the canyon, Palm Springs. region Comment
  RSA726573  Camissonia claviformis subsp. aurantiaca Naomi S. Fraga, Sarah J. De Groot, Lisa Rojas, Lel Lubinsky 2005-2-10 1424 Riverside Along Palen Road near Hwy 177. 170 Comment
  UCR142868  Camissonia claviformis subsp. aurantiaca C. B. Wolf 1937-4-6 8425 Riverside Western Colorado Desert, Coachella Valley, 2 mi. NE of Edom 61 Comment
  RSA614564  Camissonia claviformis subsp. claviformis George K. Helmkamp 1988-4-4 3136 Riverside Southern Mojave Desert: junction of CA hwy 62 (Twentynine Palms hwy) & CA hwy 177 (Desert Center-Rice Rd). [UTM 10km cell: 11SPH-4E, 3N. Desert Center] 457 Comment
  UCR199921  Camissonia hirtella Scott D. White, Justin Wood 2008-4-16 11882 Riverside Perris/Elsinore Basin, hills to the west of I-215 and south of Scott Rd. 549 Comment
  POM3272  Camissonia ignota I. M. Johnston 1918-4-27 1875 Riverside Near Corona. 274 Comment
  RSA524428  Camissonia ignota Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4124 Riverside Vail Lake area, upper benches and adjacent slopes of E flank of Big Oak Mountain, S of E summit. 610 Comment
  UCR3353  Camissonia ignota T. R. Plumb 1964-4-23 s.n. Riverside Box Springs Mtns., Box Springs Mountain, 1 mi. SE of Dog Lady's house [old house near crest of range, c. 33 deg. 58' 53'N, 117 deg. 17' 28'W, along road from Pigeon Pass; later park ranger's house] off SE road fork 762 Comment
  RSA0014606  Camissonia micrantha Justin M. Wood 2010-5-12 1681 Riverside Santa Ana Canyon: Santa Ana River; approx. 0.75 miles downstream of Prado Dam. Just NE of Green River housing estate. 137 Comment
  RSA752562  Camissonia micrantha Justin M. Wood 2009-3-3 328 Riverside City of Murrieta, south of Tanaja bridge and west of Murrieta Creek. 341 Comment
  CLARK-A1528-662  Camissonia pallida Charlotte Stocks 1964-5-20 Riverside Box Canyon Comment
  UCR16411  Camissonia pallida Barry A. Vittor 1966-3-18 s.n. Riverside Western Colorado Desert, Rancho Dos Palmas, 2 miles northeast of Salton Sea State Park 30 Comment
  POM229709  Camissonia pallida subsp. pallida P. A. Munz 1957-3-15 14938 Riverside Whitewater Creek, 3 mi. north of highway to Banning [Hwy 10]. Comment
  RSA145190  Camissonia pallida subsp. pallida E. G. Linsley, J. W. MacSwain 1960-3-1 60 -1 Riverside Tamarisk Avenue, Palm Springs. Comment
  UCR282306  Camissonia pallida subsp. pallida Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-3-29 868 Riverside San Bernardino Mountains, Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 610 Comment
  JOTR01133  Camissonia pallida subsp. pallida Cole, James E. 1941-6-17 923 Riverside Joshua Tree National Park. IN LIVE OAK TANK 1219 Comment
  RSA480033  Camissonia refracta Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, Tim S. Ross 1988-3-10 2160 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  SEINET3225526 Image available Camissonia refracta A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37490 Riverside Sonoran (Colorado) Desert; SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak (McCoy Peak 7.5' Q) 204 Comment
  UCR198202  Camissonia refracta Michael Honer, L. Hulse 2004-4-4 1927 Riverside Colorado Desert, Little San Bernardino Mountains, southwest base of Cottonwood Mountains, near MWD aqueduct, c. 0.75 mi north of Hwy I-10, east edge of Pinkham Wash 488 Comment
  UCR158276  Camissonia strigulosa A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30124 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
  UCR166101  Camissoniopsis A. C. Sanders 1994-5-29 14556 Riverside San Bernardino Mtns, Morongo Indian Reservation, low pass between Millard Canyon and Potrero Creek 793 Comment
  SD82828  Camissoniopsis bistorta John D. Olmsted 1962-5-3 3509 Riverside In canyon of southern access road to Thomas Mt.;, ca. 2.0 miles west of southern Garner Valley and Pines-to-Palms Highway. 1448 Comment
  SBBG35131  Camissoniopsis pallida T. L. Secrest 1948-4-7 Riverside near Whitewater 274 Comment
  UCSB4448  Camissoniopsis pallida subsp. pallida Long, Frances 1939-12-31 Riverside Indio Comment
  PASA395  Capsella elliptica Frank W. Peirson 1921-4-11 Riverside Murray Canyon, Palm Springs Region Comment
  RSA495461  Carex alma Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2989 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  RSA180427  Carex densa E. W. Lathrop 1959-4-26 4503 Riverside 14 miles W of Murrieta - Tenaja Plateau. Comment
  RSA364634  Carex fracta M. B. Dunkle 1933-7-19 3682 Riverside Upper Tahquitz Valley, San Jacinto Mountains. 2409 Comment
  SEINET10711418  Carex nebrascensis Robert F. Thorne, J. , P. Simon; C. W. Tilforth 1969-6-24 Thorne 38142 Riverside San Jacinto Mountains: San Berardino National Forest. Above James Reserve. Along small stream. Associated species-Pinus ponderosa, P. coulteri, P. lambertiana, Abies concolor, Quercus kelloggii, Calocedrus, etc. 1676 Comment
  RSA575995  Carex praegracilis Steve Boyd 1981-4-10 s.n. Riverside Gavilan Hills region, canyon at southeastern base of Rocky Bluff Ridge , east of Estelle Mountain and south of Gavilan Plateau. 610 Comment
  POM14975  Carex sartwelliana Mary F. Spencer 1922-6-27 1365 Riverside Idyllwild. San Jacinto Mountains. 1646 Comment
  SEINET10786964  Carex senta Peter F. Zika 2010-8-3 Zika 25243 Riverside Vicinity of Willow Creek. San Jacinto Wilderness Area, San Jacinto Mountains (SnJt), Peninsula Ranges. 2550 Comment
  UC1563042  Carex triquetra Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-31 3069 Riverside 0.25 mi e Pauba Road (s of Hwy 79); Vail Lake area 426 Comment
  RSA783582  Castela emoryi M. Wall, Valentin Arvizu 2011-6-1 604 Riverside North of Desert Center, plants near a power line maintenance road just east of Kaiser Rd. and ca. 5.2 miles north of junction with Rice Rd. (Hwy 177) 197 Comment
  UCR116772  Castilleja affinis A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23899 Riverside Perris-Aguanga Basin region, Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta 396 Comment
  RSA509918  Castilleja affinis B. Pitzer, E. Misquez 1988-2-28 618 Riverside 2 mi s of Rancho California Road (sw of Murrieta, Walker Basin, Avenida del Oro); Walker Basin, Avenida del Oro. Comment
  JEPS57286  Castilleja affinis subsp. affinis L. R. Heckard and R. C. Bacigalupi 1968-5-5 1808 Riverside 1.3 mi e Dripping Springs Campground (w of Radec) 457 Comment
  SBBG26800  Castilleja affinis subsp. affinis C. B. Clokey, I. W. Clokey, B. Templeton 1930-4-15 4729 Riverside Perris to Gavilan Pk 600 Comment
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Nov 8 2011
  SBBG94912  Castilleja densiflora R. Gaut 1989-5-7 Riverside Santa Rosa Plateau, 5 mi W of Interstate 215 on Clinton Keith Rd, Temescal Valley 609 Comment
  UCR132858  Castilleja densiflora Kent Beaman 1983-4-24 30 Riverside Santa Ana Mtns., north and west of Murrieta; Clinton Keith Road 8 miles west of Hwy 15 to Tenaja Rd., 2.5 miles west to where road begins to go up over pass at west edge of open grassy area , SE foot of Squaw Mountain 671 Comment
  OBI35636  Castilleja exserta Norman C. Cooper 1944-4-21 1127 Riverside Banning 701 Comment
  UCR227595  Castilleja exserta Duncan S. Bell, Joy England 2010-5-20 1022 Riverside San Jacinto Mountains, San Bernardino National Forest, Garner Valley, c. 1.75 air miles southeast of junction of Forest Service Road 6S04 and Forest Service Road 6S13 1361 Comment
  UCR86882  Castilleja exserta A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16292 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  POM307282  Castilleja foliolosa Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2137 Riverside Santa Rosa Mountains. Comment
  RSA400080  Castilleja foliolosa Gale Sphon 1955-5-21 s.n. Riverside 6 miles south of Banning. Comment
  RSA400575  Castilleja foliolosa N. R. Zabriskie, Walter M. Zabriskie 1971-4-6 359 Riverside North-facing slope. Andreas Canyon, east slope San Jacinto Mts. 457 Comment
  RSA593380  Castilleja foliolosa Scott D. White 1996-7-23 4361 Riverside Pinyon Flat Area: N of Hwy 74, ca. 10 road miles E of jct. w/Hwy 371. W facing slope of Sugarloaf Mtn. and adjacent valley. 1250 Comment
  RSA652577  Castilleja foliolosa Jeanne Bellemin 1969-5-24 s.n. Riverside Banning to [Idyllwild]. 976 Comment
  SEINET3079690 Image available Castilleja foliolosa B. Pitzer 1986-4-26 181 Riverside San Bernardino Mtns.; Whitewater Canyon, c. 4.5 mi. north of Hwy I-10 on Whitewater Canyon Road 734 Comment
  UCR120934  Castilleja foliolosa A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24934 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  RSA586930  Castilleja minor subsp. spiralis D. L. Banks, S. D. Boyd 1995-5-3 296 Riverside NW Palomar Mountains; Agua Tibia Mountains;Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  UCR114745  Catalpa bignonioides A. C. Sanders, K. C. Rose 1999-6-18 22800 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave., 1/2 mile south of Rawson Rd. 439 Comment
  CAS-BOT-BC41104  Caulanthus heterophyllus Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 3978 Riverside Vail Lake Area, lower slopes of Agua Tibia Mountain, along Highway 79, east of USFS Dripping Springs Guard Station. 609 Comment
  RSA735865  Caulanthus heterophyllus Scott D. White, Justin Wood, Juan Hernandez 2008-3-12 11764 Riverside Site of proposed Liberty Quarry. Mountains between Temecula Valley and Rainbow Valley just W of Interstate 15. N of the San Diego County Line. 335 Comment
  SDSU14029  Caulanthus heterophyllus Tarja Sagar 2000-5-20 30 Riverside SMER. 50 m WSW from north Field Station. 332 Comment
  SDSU18411  Caulanthus heterophyllus C. Matt Guilliams 2008-2-21 467 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 449 Comment
  UC64339  Caulanthus heterophyllus H. M. Hall 1897-3-13 387 Riverside Wildomar Comment
  UCR136317  Caulanthus heterophyllus Virginia Moran 2003-3-12 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
  SD108786  Caulanthus simulans James Henrickson 1973-3-18 8611 Riverside 33 miles east of Temecula, 5-7 miles southeast of Terwilliger at north end of Coyote Canyon Road, on the first steep grade to canyon. 760 Comment
  UCR77744  Caulanthus simulans Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6023 Riverside Vail Lake, SW and W flanks of Billy Goat Mtn. 3 mi north of Hwy 79, 1 mi west of Hwy 371, north of Aguanga 880 Comment
  UCR43478  Ceanothus crassifolius R. F. Thorne, W. Wisura, E. W. Lathrop, S. Meury 1985-5-18 60628 Riverside Peninsular Ranges/Santa Ana Mtns, Santa Rosa Plateau: along Clinton Keith Rd., near base of the plateau 427 Comment
  UCR68479  Ceanothus crassifolius Steve Boyd, T. S. Ross, L. Arnseth 1989-3-19 3019 Riverside Peninsular Range, Vail Lake area, 1 mi west of Vail Lake 640 Comment
  SBBG50799  Ceanothus cuneatus var. cuneatus R. S. Woglum 1942-4-15 Riverside Aguanga Comment
  RSA297381  Ceanothus greggii var. perplexans Larry E. DeBuhr 1972-3-24 534 Riverside Santa Rosa Mountains. San Bernardino National Forest; along forest road 7S02. 1677 Comment
  UCR178852  Ceanothus integerrimus Mitch Provance, Tracy Tennant 1998-6-16 MOR- 397 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, just north of tree stand M-09 1280 Comment
  CAS-BOT-BC51277  Ceanothus leucodermis E. W. Lathrop 1965-4-4 5642 Riverside 8 mi. W. of Murrieta Comment
  RSA0019575  Ceanothus megacarpus var. megacarpus Orlando Mistretta 1992-6-10 517 Riverside Peninsular Ranges: (Cleveland National Forest) Along old road coming off 3504 W of Sierra Peak. Head of road. Comment
  LA212135  Ceanothus oliganthus Nancy Anderson; 1955-5-21 s.n. Riverside Banning - Idyllwild Hwy. 1523 Comment
  RSA517098  Ceanothus ophiochilus Steve Boyd, Tim S. Ross, L. Arnseth 1989-3-12 2960 Riverside Vail Lake area, 1 mi. W of Lake. Comment
  UC1611572  Ceanothus ophiochilus Steve Boyd, Kyle Boyd 1993-3-28 7912 Riverside Palomar Range s of Vail Lake (at n base of Agua Tibia Mt., Agua Tibia Wilderness Area, Cleveland National Forest, along trail extending s from end of Woodchuck Road); Palomar Range, Cleveland Nat'l Forest, Agua Tibia Mt. 792 Comment
  UCR93033  Ceanothus ophiochilus Steve Boyd, T. S. Ross 1993-3-23 7890 Riverside Palomar Mountains, Palomar Range south of Vail Lake at the N base of Agua Tibia Mtn., Agua Tibia Wilderness area, Cleveland National Forest, along trail extending S from end of Woodchuck Rd. 671 Comment
  UCR94941  Ceanothus palmeri Scott D. White 1996-8-15 4476 Riverside San Jacinto Mtns., Idyllwild area: USFS Rd. 5S10 at jct w/ foot trail 2E16, at an intermittent stream channel. 1646 Comment
  CAS-BOT-BC51925  Ceanothus perplexans Edmund C. Jaeger 1921-6-14 s.n. Riverside Mac Mullen Trail, east slope San Jacinto Mts. Comment
  UCR3274  Ceanothus perplexans John Kitasako 1964-3-10 45269 Riverside San Jacinto Mtns., Anza, State Hwy 71 [=371], 1 mile from its jct with State Hwy 74 1463 Comment
  RSA15027  Ceanothus tomentosus var. olivaceus Daniel Cleveland 1882-5-3 s.n. Riverside Temecula. Comment
  CDA7293  Centaurea X pouzinii F. J. Willmarth 1960-6-2 Riverside Old Fuller Rancho, near Corona. 0 Comment
  RSA561882  Centaurium venustum Steve Boyd, T. S. Ross 1992-6-10 7627 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about Potrero Escondido.', An isolated area of low relief topping the ridge system due west of the junction on Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek. 671 Comment
  UCR104169  Centaurium venustum Scott D. White 1997-5-25 5243 A Riverside San Jacinto Mtns, Bautista Canyon: Hixon Trail (USFS No. 2E43), between trailhead at Bautista Canyon Road and intermittent stream crossing at c. 3200 ft 976 Comment
  UCR22142  Centaurium venustum Steve Boyd 1980-6-4 315 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCR93833  Centaurium venustum G. R. Ballmer, K. T. Stockwell 1995-6-8 s.n. Riverside Peninsular Range, Warm Springs Creek, Budweiser Ranch, 0.25-1 mi upstream of Los Alamos Road crossing 457 Comment
  JEPS100431  Centromadia pungens subsp. laevis Dean W. Taylor 2003-5-8 18550 Riverside Davis Road 0.5 miles North of Lakeview, San Jacinto Wildlife Area 434 Comment
  JEPS106965  Centromadia pungens subsp. laevis Jasmine Watts 2005-7-19 7 Riverside Hemet, S of CA-74 and W of Warren Road Comment
  UCR265602  Cerastium glomeratum Jordan Zylstra 2014-3-18 14003 Riverside San Jacinto Mountains, Apple Canyon, west of Apple Canyon Road 1453 Comment
  RSA453310  Cercocarpus betuloides Gale Sphon 1955-5-21 s.n. Riverside 6 miles south of Banning. Comment
  UCR87945  Cercocarpus betuloides A. C. Sanders, N. Ferguson 1994-6-2 14625 Riverside San Jacinto Mtns, Bautista Canyon, c. 1 mile above the forest service boundary 850 Comment
  CAS-BOT-BC279539  Chaenactis artemisiifolia Cecil Hart 1922-5-21 20 Riverside San Jacinto Mt. Comment
  CAS-BOT-BC276377  Chaenactis carphoclinia S. B. Parish 1916-5-15 10838 Riverside Cottonwood Springs, Colorado Desert 792 Comment
  CAS-BOT-BC276401  Chaenactis carphoclinia Ynez Whilton Winblad 1937-3-17 s.n. Riverside Box Canyon Comment
  UCD130227  Chaenactis carphoclinia P. C. Everett; E. K. Balls 1958-4-29 23012 Riverside U.S. Highway 60/70, Indio to Blythe, 6.5 miles east from junction with U.S. Hwy. 99. 243 Comment
  JOTR37424  Chaenactis carphoclinia var. carphoclinia La Doux, Tasha 2016-3-9 3659 Riverside Above Hayfield Dry Lake - Stop 2 516 Comment
  LA203110  Chaenactis carphoclinia var. carphoclinia Carl Epling; William Robison 1933-6-27 sn Riverside Little San Bernardino Mountains, 5 mi. S of Gold Coin Mine Comment
  UC218055  Chaenactis carphoclinia var. carphoclinia P. A. Munz, D. Keck Apr 9 1922-Apr 12 1922 4842 Riverside Corn Springs Colorado Desert, Chuckwalla Mountains, Corn Springs 457 Comment
  UCR41555  Chaenactis carphoclinia var. carphoclinia A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6110 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  CAS-BOT-BC276908  Chaenactis fremontii Carl B. Wolf 1937-5-4 8526 Riverside Colorado Desert. Little San Bernardino Mountains. Morongo Wash, 1 mile below San Bernardino County line 609 Comment
  JEPS28844  Chaenactis fremontii Peter H. Raven 1962-4-7 17114 Riverside 1.5 mi n of U.S. Highway 70--99; Whitewater Wash Comment
  POM351705  Chaenactis fremontii Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  RSA0069676  Chaenactis fremontii Cheryl Sevilla, Sarah J. De Groot 2015-3-16 19 Riverside Transverse Ranges; San Bernardino Mountains region: San Gorgornio Wilderness Area; on the plain to the east of Mission Creek; 0.4 miles northwest of the Stone House. 784 Comment
  UCR103994  Chaenactis fremontii George K. Helmkamp 1998-4-3 3074 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek area north of Mt. San Jacinto; at edge of stream south of Snow Creek Rd at a point 1.4 mi. south of Calif. Hwy 111 396 Comment
  UCR114114  Chaenactis fremontii B. G. Pitzer, J. Ross 1998-3-8 3607 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  SEINET10798238  Chaenactis fremontii Billy Joe Cox 1975-4-23 Cox 4163 Riverside Palo Verde, 1-3 km W, (ca. 32 m S of Blythe). 70 Comment
  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
  UCSB12971  Chaenactis glabriuscula Elliott, Millicent 1962-5-5 Riverside 6.6 miles south of junction of 8th Street (Banning) with U.S. 70-00; San Jacinto Mountains 1158 Comment
  CAS-BOT-BC172822  Chaenactis glabriuscula var. glabriuscula Virginia Moran 2003-3-12 s.n. Riverside Peninsular Range: Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and W of Wilson Creek 915 Comment
  UC1563130  Chaenactis glabriuscula var. glabriuscula Steven Boyd, Tim Ross, and Laurel Arnseth 1989-6-4 3608 Riverside around n extension of Woodchuck Rd. (n of Hwy 79, Vail Lake area, Kolb Creek drainage); Vail Lake, Kolb Creek 487 Comment
  UCR218073  Chaenactis glabriuscula var. glabriuscula Steve Boyd 2010-5-26 12279 Riverside Santa Ana Mountains, Elsinore Peak, southeast of peak, north of trail along ''old Main Divide Road'' east of road up to communications towers, near concrete wildlife drinker. 1040 Comment
  CAS-BOT-BC277550  Chaenactis glabriuscula var. lanosa H. M. Hall 1904-5-16 4947 Riverside Vicinity of Riverside. Fairmount Park 243 Comment
  RSA13799  Chaenactis parishii Victor Duran 1933-7-1 3492 Riverside Near Santa Rosa. Santa Rosa Mountains 1829 Comment
  JOTR29611  Chaenactis stevioides Andre, Jim 2006-4-26 6749 Riverside Joshua Tree National Park. about 0.5 mi. NNE of Rattlesnake Spring on ridge just south of radio tower and NE corner of park boundary 1320 Comment
  RSA777813  Chaenactis stevioides Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 852 Riverside Chuckwalla Mountains, Chuckwalla Mountains Wilderness, off Corn Spring Road, main wash adjacent Corn Spring Road, draining from Corn and Aztec Springs up on Chuckwalla, flowing NNE 396 Comment
  RSA781659  Chaenactis stevioides Duncan S. Bell 2009-3-8 80 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
  SD258315  Chaenactis stevioides J. M. Andre 2013-3-21 24398 Riverside Grommet; West Riverside Mountains; At base of NW corner of range where sand rumps run up against granitic bouldery slopes, about 10 mi SW of Vidal Jct, 3 mi south of Grommet RR xing at Hwy 62 363 Comment
  UCR213271  Chaenactis stevioides A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37430 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, lower part of wash c. 2.5-3 mi. NW of Blythe Airport, above Black Creek Rd. 171 Comment
  RSA49386  Chaenactis stevioides var. stevioides P. A. Munz 1949-4-12 13026 Riverside North base of Eagle Mts., Mojave Desert 945 Comment
  SEINET13937053 Image available Chaenomeles speciosa Unknown Riverside Cultivated Comment
  RSA0045133  Chamaesyce abramsiana A. C. Sanders, T. B. Salvato, Rob Shoener 2012-8-22 40394 Riverside Bradshaw Trail, Chuckwalla Bench area on S side of Chuckwalla Mountains, 0.9 km west of Dupont Rd. 757 Comment
  RSA525447  Chamaesyce albomarginata Steve Boyd, Dave Bramlet 1990-4-29 4492 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  RSA651898  Chamaesyce albomarginata W. H. Grady 1948-4-24 s.n. Riverside Found 8 mi. west of Riverside at edge of dry grain field. 243 Comment
  RSA498529  Chamaesyce micromera L. C. Wheeler 1931-11-26 369 Riverside Salton Bench Mark, Colorado Desert. -15 Comment
  SEINET3365548  Chamaesyce micromera G. Rink 2011-9-25 11075 Riverside South of I-10 at the Ford Dry Lake Exit, in a swale that sometimes holds water 110 Comment
  JOTR01095  Chamaesyce polycarpa Cole, James E. 1941-4-13 573 Riverside Joshua Tree National Park. PINTO BASIN; 1/2 MILE NORTH OF MEEK'S CABIN 609 Comment
  RSA0104441  Chamaesyce setiloba Duncan S. Bell, Evan Meyer 2014-10-28 7663 Riverside Santa Rosa Mountains; at the foot of the mountains between Toro Canyon and Martinez Canyon. 169 Comment
  SEINET903948  Cheilanthes covillei Scott D. White 1996-1 4460 Riverside Idyllwild Area: Alvin Meadows and unnamed canyon upstream. San Jacinto Mountains. USGS Blackburn Cyn 7.5 topo (immed. Adjacent to Idyllwild topo) 1525 Comment
  RSA556511  Cheilanthes newberryi Julie Greene 1993-4-10 1159 Riverside San Jacinto Wildlife Area: Lower North facing slope with granitic outcrops. 475 Comment
  RSA0106695  Cheilanthes parryi Duncan S. Bell, Thomas Stoughton 2010-3-19 564 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; approximately 2.25 air miles west of Priest Well. 439 Comment
  UC667395  Cheilanthes parryi Annie M. Alexander and Louise Kellogg 1941-5-12 2160 Riverside road to Black Eagle Mine; Colorado Desert, Eagle Mts 777 Comment
  UC669241  Cheilanthes parryi Annie M. Alexander and Louise Kellogg 1941-2-28 1875 a Riverside Andreas Canyon; San Jacinto Mts 335 Comment
  UCR280934  Chenopodium album Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-2 617- 04 Riverside Temescal Valley, Horsethief Canyon Wash, S. side of I-15, vicinity of De Palma Rd. 378 Comment
  IRVC29263  Chenopodium berlandieri A. C. Sanders, Kelly Volansky 2003-10-16 27333 Riverside lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. Moreno Valley 534 Comment
  UCR113595  Chenopodium missouriense A. C. Sanders, Mitch Provance 2000-10-4 23717 Riverside Riverside, UCR Botanic Garden, gully on east fence SE of the herb garden 366 Comment
  UCR114326  Chenopodium missouriense Mitch Provance 2000-9-18 2265 Riverside Riverside, Prenda area, south side of Hermosa St., c. 0.25 mile west of the intersection with Washington St. 610 Comment
  UCR163091  Chenopodium murale B. G. Pitzer, G. R. Ballmer 2000-10-14 4227 Riverside Sonoran (Colorado) Desert, south of eastern Ford Dry Lake, c. 200 yards south of Hwy I-10 off gasline road at large wash, 1 mi. east of Ford Lake Rd. exit, c. 22 miles west of Blythe 110 Comment
  UCR208489  Chenopodium murale Scott D. White, Justin M. Wood 2009-3-24 12581 Riverside Colorado Desert, western foothills of Mecca Hills, c. 0.5 air mi east of the Coachella Canal and 4 air mi south of the I-10 Fwy 27 Comment
  UCR3005  Chilopsis linearis Wm. Horn Jr. 1963-3-23 630323- 3 Riverside Western Colorado Desert, Box Canyon Road (Calif. Hwy 195 ), 6 mi SE of Mecca 100 Comment
  SBBG68704  Chilopsis linearis subsp. arcuata J. E. Butner 1948-10-3 659 Riverside valley floor near Cathedral City Comment
  SEINET13310687  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. 480 Comment
  SEINET10898022  Chilopsis linearis subsp. arcuata Frank Almeda 1976-6-5 Almeda 2826 Riverside Rocky wash with shrubby vegetation ca 4-5 mi N of Interstate Hwy. #10 off of Whitewater Canyon Road. Comment
  CLARK-A1528-3047  Chimaphila menziesii John C. Roos 1943-8-8 2697 Riverside San Jacinto Mountains Comment
  CAS-BOT-BC451360  Chimaphila menziesii H. M. Hall 1897-6-16 s.n. Riverside San Jacinto Mts. Comment
  UCR51955  Chorizanthe brevicornu Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, et al. 1988-3-10 2129 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  RSA392607  Chorizanthe brevicornu var. brevicornu M. B. Dunkle 1933-5-6 3450 Riverside Painted Canyon Comment
  UCR16539  Chorizanthe brevicornu var. brevicornu J. Texera 1970-3-27 05 Riverside Sonoran (Colorado) Desert, c. 3 miles south of town of Palm Desert on dirt road continuation of Portola Avenue, 0.75 mile north of boundary fence of Deep Canyon Desert Research Center 207 Comment
  RSA554027  Chorizanthe corrugata A. C. Sanders, E. J. Lawlor 1992-4-4 12135 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  RSA65172  Chorizanthe fimbriata var. fimbriata F. W. Peirson 1920-6-22 2165 Riverside Dripping Spring southeast of Temecula 457 Comment
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Nov 4 2014
  UCR86987  Chorizanthe fimbriata var. fimbriata Ed LaRue 1993-5-10 s.n. Riverside Murrieta Oaks, 3 miles (airline) NW of Murrieta Hot Springs, W side of Hwy 215 457 Comment
  POM229024  Chorizanthe fimbriata var. laciniata P. A. Munz 1937-5-31 15116 Riverside Below Anza Tablet at head of Coyote Canyon. 1006 Comment
  RSA608181  Chorizanthe fimbriata var. laciniata R. S. Woglum 1941-5-17 3052 Riverside Horse Canyon off of Coyote Canyon. Comment
  UCR217641  Chorizanthe leptotheca Jeff B. Galvin 2010-6-7 134 Riverside San Jacinto Mountains, East of Valle Vista, north of Cranston Ranger Station, along San Jacinto River 572 Comment
  UCR217653  Chorizanthe leptotheca Karyn L. Drennen, Kim Sparks 2010-6-7 10 Riverside Palomar Mountains foothills, Southwest of Durasno Valley, 5 km north-northeast of Beauty Peak, 1.07 km east of Bonny Lane and 10m north of Bowers Road. 1374 Comment
  RSA487196  Chorizanthe parryi var. parryi James L. Reveal 1988-5-23 6867 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
  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
  UCR165875  Chorizanthe parryi var. parryi A. C. Sanders 2005-4-21 29568 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  CAS-BOT-BC257187  Chorizanthe polygonoides var. longispina Steve Boyd 1986-4-2 1587 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park 640 Comment
  RSA562455  Chorizanthe polygonoides var. longispina Steve Boyd, Tim S. Ross 1992-5-5 7234 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 732 Comment
  RSA593799  Chorizanthe polygonoides var. longispina Jeri Hirshberg 1995-5-19 273 Riverside San Jacinto Mountains, Garner Valley. Comment
  UCR266486  Chorizanthe polygonoides var. longispina Mitch Provance, Eric Kline 2015-3-26 315- 43 Riverside Temecula/Murrieta Region, Murrieta, Antelope Hills neighborhood, NE corner of Menifee Rd. and Clinton Keith Rd. 425 Comment
  CAS-BOT-BC257201  Chorizanthe procumbens Clare B. Hardham 1962-4-6 8549 Riverside Rte 395 - Intersection with Rd to Rainbow - near Temecula Canyon Comment
  UCR135848  Chorizanthe procumbens A. C. Sanders 2004-4-20 27536 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
  UCR217498  Chorizanthe procumbens Diane Menuz 2008-4-17 422 Riverside Peninsular Range: Santa Ana Mts., Santa Rosa Plateau, near intersection of Tormo Trail and Sylvan Meadows Road 553 Comment
  UCR90406  Chorizanthe procumbens D. L. Banks, Steve Boyd 1995-5-9 0389 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
  RSA392744  Chorizanthe rigida Louis C. Wheeler 1931-11-26 372 Riverside Salton Bench Mark, Colorado Desert. -15 Comment
  RSA65245  Chorizanthe rigida F. W. Peirson 1927-4-12 7174 Riverside Painted canyon, near Mecca. Comment
  RSA735859  Chorizanthe staticoides Scott D. White, Justin M. Wood 2008-4-16 11886 Riverside Perris/Elsinore Basin: Hills to the W of I-215 and S of Scott Rd. 488 Comment
  UCR213545  Chorizanthe staticoides Michael Honer 2003-7-15 1847 Riverside Peninsular Range; Santa Ana Mtns., Rainbow area, just north of the San Diego Co. boundary and west of the I-15 Freeway 518 Comment
  CAS-BOT-BC248061  Chorizanthe xanti var. leucotheca Carl B. Wolf 1932-5-25 3677 Riverside No. base of San Jacinto Mts. Snow Creek Canyon. 1 mi. below Fish Hatchery 396 Comment
  SEINET10445993 Image available Chorizanthe xanti var. leucotheca Marc A. Baker, Danny Cuellar, Emily Mastrelli, Cecile Shohet and Stephan Myers 2015-1 18308 Riverside south side of the San Gorgonio River, 2km north of Banning, south base of the San Bernardino Mountains, 52km east of Riverside 788 Comment
  CLARK-A1528-1768  Chrysopsis villosa John C. Roos 1965-9-16 Riverside Hemet Comment
  RSA696808  Chrysothamnus teretifolius J. Russell Bruff 1928-12-4 s.n. Riverside Split Rock Comment
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Oct 23 2011
  SBBG100294  Chylismia brevipes W. L. Halvorson 1977-2-5 77 -7 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  UCD103717  Chylismia brevipes C. L. Hitchcock 1966-3-20 24305 Riverside 20 miles N of Ogilby, along road to Blythe. Comment
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Mar 2 2013
  UC1122151  Chylismia cardiophylla subsp. cardiophylla H. S. Yates 1937-3-23 6428 Riverside Painted Canyon Thermal Quadrangle Comment
  OBI23317  Chylismia claviformis Robert F. Hoover 1969-4-14 11233 Riverside Palm Springs, just S of S city limit Comment
  JOTR37498  Chylismia claviformis subsp. aurantiaca Hodges, Stephen R., L. Ashfield 2016-1-20 627 Riverside Joshua Tree National Park. Eagle Mountains, Black Eagle Mine road, northern edge of mountains near eastern park boundary (Stop 1). Comment
  SD39494  Chylismia claviformis subsp. aurantiaca Edith A. Purer 1935-4-21 6482 Riverside Desert floor, near Palm Springs. Comment
  UC148686  Chylismia claviformis subsp. aurantiaca Rensselaer J. Smith Mar 1917 Riverside Whitewater Coachella Desert Comment
  CSUSB1160  Cicuta douglasii M. Peterson 1972-7-16 31 Riverside Idyllwild 1523 Comment
  CAS-BOT-BC286454  Cirsium scariosum Mary F. Spencer 1921-7-6 s.n. Riverside Strawberry Valley, San Jacinto Mts 1737 Comment
  CAS-BOT-BC438966  Cistanthe monosperma Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  UC20333  Clarkia purpurea subsp. quadrivulnera H. M. Hall June, 1901 Riverside s side Small Valley; San Jacinto Mountains 1310 Comment
  UCR213902  Claytonia parviflora Scott D. White, Justin M. Wood 2009-5-22 12905 Riverside San Jacinto Mountains, Idyllwild area, 'Strawberry Fuelbreak' between Strawberry Creek and road to sewage ponds 1456 Comment
  UC7946  Claytonia parviflora subsp. viridis H. M. Hall Jun 1901 2218 Riverside Onstatt's Valley; San Jacinto Mts. 1981 Comment
  UC1537252  Claytonia perfoliata subsp. mexicana Gordon H. True Jr. 1935-3-1 36 Riverside Gavilan Hills 548 Comment
  RSA16374  Clematis pauciflora Percy C. Everett 1935-6-17 7157 Riverside Coldwater Canyon Trail to Santiago Peak., 2 miles above Glen Ivy Resort. 610 Comment
  POM90994  Clematis pauciflora E. C. Jaeger 1925-12-11 s.n. Riverside Aguanga. Comment
  SBBG70871  Coleogyne ramosissima R. H. Nordhoff 1940-11-11 591 Riverside Morongo Pass Comment
  UC2016491  Collinsia Richard Olmstead 1986-6-8 802 Riverside Growing in small moist draw in chaparral along Hwy. 243, ca. 1.1 miles north of Mountain Center. Comment
  UCR227589  Collinsia concolor Duncan S. Bell, Valentin Arvizu 2010-5-24 1107 Riverside San Jacinto Mountains, San Bernardino National Forest, Garner Valley, c. 3.4 air mi southeast of junction of Forest Service Road 6S04 and Forest Service Road 6S13 1385 Comment
  UCR89571  Collinsia concolor E. N. Anderson 1994-4-20 s.n. Riverside Box Springs Mtns, Two Trees Canyon, above Cassina Spring Comment
  UCR35229  Collinsia heterophylla L. B. Ziegler 1978-5-4 591 Riverside Peninsular Range; San Jacinto Mountain foothills, south of Hemet near Radec, near Temecula River 610 Comment
  RSA797662  Collinsia heterophylla var. heterophylla Robert F. Thorne, E. W. Lathrop 1977-5-18 49766 Riverside Santa Ana Mountains: Camp Portrero [near junction of Tenaja Truck Trail and Ortega Highway (74)] Comment
  JOTR01108  Colubrina californica Cole, James E. 1941-5-22 773 Riverside Joshua Tree National Park. RUBY LEE MILL SITE 914 Comment
  RSA557372  Convolvulus arvensis Julie Greene, Scott D. White, B. Greene 1993-7-5 1395 Riverside San Jacinto Wildlife Area, On raised wet area, west of dirt road. 445 Comment
  UCR67349  Convolvulus simulans Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4059 Riverside Peninsular Range, Vail Lake area, summit of 'Big' Oak Mtn. at east end 793 Comment
  HSC86915  Conyza bonariensis Steve Myers 1988-2-1 Riverside Boulder Springs Development, immediately SE of intersection of Hwy. 60 and Nason St., Moreno Valley 518 Comment
  RSA588187  Conyza bonariensis D. L. Banks, Victor Steinmann 1995-7-10 0752 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak. In major drainage that flows off NW flank of Wildhorse Peak. 610 Comment
  UCR193958  Conyza canadensis A. C. Sanders 2008-7-25 35886 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  SD67924  Cordylanthus nevinii Reid Moran 1968-8-3 15360 Riverside North slope, ridge 1 mile W of Toro Peak 2250 Comment
  CLARK-A1528-197  Coreopsis bigelovii Charlotte Stocks 1962-4-2 Riverside Whitewater Canyon Comment
  POM356006  Coreopsis californica Ora M. Clark 1929-2-23 1514 Riverside South of Cabazon Comment
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Mar 13 2011
  UCR102755  Coreopsis californica B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3577 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  UC1608247  Coreopsis californica var. californica Steve Boyd, Tim Ross, and Orlando Mistretta 1992-2-26 6701 Riverside on broad sandy bench near coordinates given Santa Ana Mountains, San Mateo Cyn. Wilderness Area (San Mateo Cyn from Fisherman's Camp downstream to confluence with Bluewater Cyn. T7S R5W sec.28-29) 304 Comment
  UC63197  Corethrogyne filaginifolia H. M. Hall Riverside Riverside Comment
  UCR35134  Cornus glabrata L. B. Ziegler 1968-6-10 317 Riverside San Jacinto Mtns, Hemet (Garner) Valley 1433 Comment
  CAS-BOT-BC56685  Coryphantha alversonii Dr. Barton W. Evermann 1924-4-1 s.n. Riverside Field redacted by CAS, contact the data manager for more information Comment
  UCR159764  Cotula australis Scott D. White 1999-5-2 7286 Riverside Peninsular Ranges: Perris-Aguanga Basin region, Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., c. 1.5 - 2 mi west of I-215 freeway 442 Comment
  SEINET272372  Cotula coronopifolia A. C. Sanders, G Waines; Et Al 1997-3-12 19897 Riverside Lake Skinner area; Upper Rawson Cyn 2.5 mi NNE of Lk. Skinner 1 mi SW of Crown Valley. UTM 10km cell: MH-9E 2N. Dom 595 Comment
  UCR171913  Crassula connata John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, Temecula, Southern California Edison right of way between residential areas, N-S corridor between S General Kearny Road and La Serena Way; east of Veterans Park 366 Comment
  UCR59801  Cressa truxillensis Jeri Hirshberg 1989-7-20 s.n. Riverside Vicinity of Lake Skinner: drainage west of dam Comment
  RSA342045  Crossosoma bigelovii R. F. Thorne 1980-4-16 54085 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  RSA775444  Croton californicus Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4446 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell., Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  UC1130371  Croton californicus H. S. Yates 1936-4-7 5430 Riverside 10 mi e Whitewater; San Jacinto Quadrangle Comment
  POM255562  Croton californicus var. mohavensis I. W. Clokey 1935-4-16 6726 Riverside East of Mecca. 200 Comment
  RSA688911  Croton californicus var. mohavensis Scott D. White 2001-4-18 8352 Riverside Coachella Valley: Palm Springs. NE corner of Sunrise Dr. and San Raphael Dr. (Palm Springs) 152 Comment
  UCR230192  Cryptantha A. C. Sanders 2011-4-6 38992 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  CDA40492  Cryptantha angustifolia G. D. Barbe, T. C. Fuller 1973-2-27 1042 Riverside Mouth of Box Canyon Wash, west side of Coachella Canal, on Highway 195 east of Mecca. 0 Comment
  HSC24855  Cryptantha angustifolia James Henrickson 1971-4-2 5476 Riverside Hidden Oasis, 13 mi. E of Palm Spring 183 Comment
  JOTR28809  Cryptantha angustifolia La Doux, Tasha, Bill Truesdell 2004-3-11 1077 Riverside Joshua Tree National Park. Pinto Basin; sand hills 530 Comment
  JOTR31768  Cryptantha angustifolia Andre, Jim, Tasha La Doux 2009-3-10 11236 Riverside Joshua Tree National Park. South end of the Cottonwood Mountains, near Pinkham Wash just north of aquaduct just inside park boundary; approx. 7mi west of south entrance 541 Comment
  RSA79588  Cryptantha angustifolia F. W. Peirson 1926-2-22 6508 Riverside Thousand-Palms Canyon; Coachella Valley Comment
  UC1547003  Cryptantha angustifolia Leila M. Shultz and John S. Shultz 1985-4-17 8296 Riverside n of Blythe (at the s extension of the Big Maria Mountains); Big Maria Mountains, Palo Verde Valley 91 Comment
  UCR269876  Cryptantha angustifolia A. C. Sanders, Jim Malusa 2016-3-18 42362 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  UCR85076  Cryptantha angustifolia A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16020 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  UCSB10424  Cryptantha angustifolia Beeks, Richard 1952-4-4 Riverside 4 miles north of Mecca, in Box Cyn Comment
  SBBG6243  Cryptantha barbigera C. H. Muller 1952-4-6 9502 Riverside 2 mi E of Shavers Summit, E of S gate to Joshua Tree Nat Monument Comment
  SBBG63623  Cryptantha barbigera E. Rockwell -Jan-1926 32 Riverside near Palm Springs 138 Comment
  SD126018  Cryptantha barbigera A. C. Sanders 1988-5-11 7797 Riverside Chocolate Mountains, Iris Pass area,12 miles above the Coachella Canal in a wash east of the gasline road from Niland 550 Comment
  GMDRC4969  Cryptantha barbigera var. fergusoniae J. Andre 2011-2-2 16213 Riverside Coachella Valley: west of Palm Springs along Hwy 111 (south side) at base of San Jacinto Mtns at Windy Point, approx. 5.5. mi. from Jct with I-10 259 Comment
  UCR268946  Cryptantha barbigera var. fergusoniae Jim Andre 2015-3-2 31359 Riverside Mojave Desert, along Kolbe Road, northwest end of Coachella Valley at foot of Little San Bernardino Mountains, 0.2 mi west of intersection between Hwy 62 and Indian Avenue, road to Desert Hot Springs, 2.3 mi south of San Bernardino Co. line 529 Comment
  RSA757724  Cryptantha circumscissa LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4359 b Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  JEPS86509  Cryptantha clevelandii Roy E. Buck 1988-4-1 865 Riverside 7 air km w Lake Elsinore (town) (on 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 Canyon & Johnson Canyon drainages); Elsinore Mountains 780 Comment
  POM12150  Cryptantha costata Mary F. Spencer 1920-3-16 1514 Riverside Mecca -60 Comment
  SD240917  Cryptantha costata Dave Silverman 2010-3-24 7824 Riverside South Palen Lake, Chuckwalla Valley, 5.1 km SE of Sidewinder Well, 2.7 km SW of Palen Dunes Dr., and 3.4 km N of Interstate 10 132 Comment
  UCR228207  Cryptantha costata Dave Silverman 2010-3-24 7824 Riverside Sonoran (Colorado) Desert, South Palen Lake, Chuckwalla Valley, 5.1 km SE of Sidewinder Well, 2.7 km SW of Palen Dunes Dr., and 3.4 km N of Interstate 10 133 Comment
  RSA0079100  Cryptantha cycloptera Steve Boyd, Orlando Mistretta 1986-3-13 1449 Riverside West side Palen Mts.: NE of Desert Center. Comment
  JEPS67559  Cryptantha decipiens F. W. Peirson 1921-3-21 2368 a Riverside above Andreas Canyon (Gordon trail) 1066 Comment
  SEINET10455939  Cryptantha gracilis David B. Dunn 1946-3-16 Dunn 2067 Riverside On same sheet as Conrad 6639, UMO 110306. Collected on dry plateau 1/2 mi NE of Pushawalla Palms (Springs). Indio Hills. Sparse desert scrub of Larrea and Franseria, with palms at the springs in the canyon. Comment
  POM368267  Cryptantha intermedia Christopher Davidson, Robert Gustafson 1977-4-7 5579 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. 610 Comment
  RSA0014467  Cryptantha intermedia Justin M. Wood, J. Miner 2010-4-29 1541 Riverside Coachella Valley: Cathedral City, 0.5 mi SW of intersection of East Palm Canyon Drive and Cathedral Canyon Wash. 130 Comment
  RSA650998  Cryptantha intermedia Marion P. Harthill 1971-3-19 29 Riverside Palm Desert. Comment
  UCR172756  Cryptantha intermedia Abby Sirulnik, Ian G. Gillespie 2000-5-14 43 Riverside Peninsular Ranges; Santa Ana Mtn. Foothills, Temescal Canyon. Indian Truck Road exit off of Interstate 15, c. 0.9 mi. S on De Palma Road 427 Comment
  UCR231803  Cryptantha intermedia Brent Barnes, A. C. Sanders, Giles Waines, UCR Plant Taxonomy Class 2007-5-12 09 Riverside Peninsular Range; San Jacinto Mtns., dirt forest service road north of Poppet Flats, west of Hwy 243 1253 Comment
  SEINET12280820  Cryptantha intermedia Unknown 1936-1 12768 Riverside W of Bonning Comment
  SEINET12280821  Cryptantha intermedia M. F. Spencer 1922-1 306 Riverside 732 Comment
  HSC82900  Cryptantha maritima A. C. Sanders, Pitzer, Charlton, Kniffen 1986-3-3 6121 Riverside Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the S 489 Comment
  RSA0013026  Cryptantha micrantha var. lepida LeRoy Gross, Caitlin Elam 2013-5-14 6045 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
  RSA180398  Cryptantha microstachys E. W. Lathrop 1965-5-9 5718 Riverside 6 miles W of Murrieta Comment
  RSA543887  Cryptantha microstachys Steve Boyd 1991-5-20 6263 Riverside Temescal Canyon, S flank of Alberhill Mtn, W end adjacent to old clay mine area. 426 Comment
  UCR100438  Cryptantha microstachys B. G. Pitzer 1997-4-11 3118 Riverside Lakeview Mtns, Pulsar View Road (dirt), at sharp turn in road c. 1 mi. (air) NE of Juniper Flat Road, and c. 3/4 -1 mi. by road from the base of the hills. C. 3/4 mi. (airline) SE of Mt. Rudolph (measured from BM 'Nelson') 610 Comment
  UCR48412  Cryptantha microstachys Steve Boyd 1986-4-22 1731 Riverside Temescal Canyon, Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mountain and Gavilan Hills 427 Comment
  SEINET3145436  Cryptantha muricata R. W. Spellenberg, N. Zucker 2001-3-27 13186 Riverside Desert Hot Springs. Indian Ave., 0.5 km S of jxn w/ Calif. Hwy 62 540 Comment
  RSA0011415  Cryptantha muricata var. jonesii Duncan S. Bell, Caitlin Elam 2013-5-21 4969 Riverside On the southern side of West Ridge at the southern end of Strawberry Valley about 1.75 air miles southwest of Idyllwild. 1592 Comment
  SDSU5395  Cryptantha muricata var. jonesii A. H. Gallup 1948-6-12 224 Riverside San Jacinto Road from town of San Jacinto. 823 Comment
  RSA781251  Cryptantha nevadensis var. nevadensis A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37461 Riverside SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 204 Comment
  HSC3620  Cryptantha pterocarya C. L. Hitchcock, C. V. Muhlick 1964-3-22 23251 Riverside Side canyon near S entrance to Joshua Tree National Monument. Comment
  UCR274798  Cryptantha pterocarya David Fraker, Aaron C. Sedgwick 2012-3-27 046 Riverside Central Mojave Desert, Copper City Road [c. 1 mi south of its junction with Coolgardie Road], Coolgardie Mesa 1189 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
  RSA0120478  Cryptantha racemosa Duncan S. Bell 2016-3-13 8925 Riverside Whitewater Canyon; in the vicinity of Painted Hill, approximately 2.5 air miles southeast of the Ranger Station (trout pond). 613 Comment
  UCR89668  Cryptantha racemosa Bern Schwenn 1994-2-13 s.n. Riverside Colorado Desert/Santa Rosa Mtns., 'wet fork' Agua Alta Canyon 640 Comment
  CDA42235  Cucurbita foetidissima T. C. Fuller 1958-9-23 3926 Riverside 3 miles east of Anza. 0 Comment
  UCR113223  Cucurbita foetidissima A. C. Sanders 1997-11-25 21624 Riverside Skinner/Domenigoni region, S of Hemet, Eastside (Diamond Valley) Reservoir, Nicholson Ranch site, just below water line of reservoir under construction, east end of south side of Diamond Valley, c. 2/3 of the way from west dam to east dam 503 Comment
  SDSU16681  Cuscuta californica var. californica Francis H. Bozzolo 2006-4-16 4 Riverside Santa Margarita Ecological Reserve, southern end, NNW of residence building, slope immediately behind avocado grove between 2 gullies. 229 Comment
  UCR48365  Cuscuta indecora var. indecora Steve Boyd 1986-5-1 1811 Riverside S slopes of Bachelor Mtn, east end of Lake Skinner Comment
  SDSU13832  Cuscuta subinclusa W. Miller 1972-7-20 Riverside 1/4 mi. south of gate. Comment
  UCR207609  Cycloloma atriplicifolium O. F. Clarke 2004-5-26 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River near the old Salt Lake Railroad bridge 215 Comment
  OBI9019  Cyclospermum leptophyllum Robert J. Rodin 1953-5-9 8200 Riverside Fairmont Park, Riverside 259 Comment
  JOTR35426  Cylindropuntia chuckwallensis Harding, Mitzi, C. Barrows, K. Callahan, J. Hoines, M. Wheeler 2013-4-11 132 Riverside Joshua Tree National Park. Eagle Mountains; Eagle Mountain, northwest of peak Comment
  JOTR32387  Cynodon dactylon La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2491 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  UCR232793  Cynodon dactylon John F. Green 2008-4-16 0408- 51 Riverside Peninsular Range; Perris-Aguanga Valley, SSE of Romoland, powerline route north of McLaughlin Rd, between Palomar and Dawson roads 442 Comment
  SD146116  Cyperus erythrorhizos A. C. Sanders, Mitch Provance 1999-9-26 23123 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 miles south east of Jackrabbit Trail on Gilman Springs Road, 1.4 miles south of Eden Hot Springs (El Casco 7.5' Quadrant); gentle slope, fine clay on dried lake bed; common annual on lower shore. 131 Comment
  CAS-BOT-BC114261  Cyperus esculentus Scott D. White; Steve Ogg 1994-10-17 2469 Riverside Murrieta Ck 1000 ft S of Winchester Rd. bridge (Banana Ave on USGS Murrieta quad, photorev. 1979) 310 Comment
  POM10323  Cyperus esculentus Anonymous s.n. Riverside Below West Riverside bridge. Comment
Read comments
Mar 15 2014
  SBBG133574  Cyperus niger S. D. White, A. Carey, L. Archa 2004-8-5 10680 Riverside San Jacinto Mtn foothills, Soboba Indian Reservation, Indian Creek from confluence w/ San Jacinto River to +/- 2 mi upstream. 534 Comment
  SD187303  Cyperus niger Scott D. White, Angelia Carey 2004-9-16 10759 Riverside San Jacinto Mountain foothills: Indian Creek watershed, above confluence with San Jacinto River. 579 Comment
  UC60275  Cyperus squarrosus H. M. Hall 1901-1 2663 Riverside water courses in vicinity of Strawberry Valley; San Jacinto Mts. 1615 Comment
  RSA554068  Dactyloctenium aegyptium Megan Phillips 1991-10-17 91 -19 Riverside Palm Springs, Tahquitz debris basin at base of Tahquitz Canyon, off Sunnydunes Drive. Comment
  POM14018  Dalea mollis P. A. Munz 1922-4-8 4738 Riverside Mecca, Colorado desert. -30 Comment
  RSA134873  Dalea mollissima L. S. Rose 1959-1-10 s.n Riverside La Quinta 15 Comment
  UCR244311  Dalea mollissima Jim Andre 2012-4-15 20849 Riverside Sonoran (Colorado) Desert, west end of Hayfield Dry Lake, 0.3 mi. N. of I-10, 0.4 mi. NE of Jct Hayfield Rd and I-10 395 Comment
  UCR260251  Dalea mollissima A. C. Sanders, Jim Malusa 2015-3-11 41391 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Gasline Road at junction with road to Observation Point Slats, US Navy Chocolate Mountains Aerial Gunnery Range 723 Comment
  UCR5569  Dalea mollissima O. F. Clarke 1966-10-5 661005- 12 Riverside Sonoran (Colorado) Desert, University of Calif, Riverside Desert Research Center [= Deep Canyon] 290 Comment
  JOTR32424  Dasyochloa pulchella Harding, Mitzi, T. Herskovits, D. Shade 2011-8-11 13 Riverside Joshua Tree National Park. Queen Mountains; Intersection of Park Blvd. and Pinto Basin road; Small rocky hills and surrounding drainages 1112 Comment
  LA11697  Dasyochloa pulchella John Thomas Howell; 1928-1-30 3310 Riverside 2 mi. E of Shavers' Well Comment
  SD232669  Datisca glomerata Scott D. White 1996-8-15 4465 Riverside San Jacinto Mts.; Idyllwild Area: Alvin Meadows and unnamed canyon upstream. Upper margin of aea burned in July 1996. 1524 Comment
  HSC84147  Datura wrightii H. A. Heaton 1987-4-11 8 Riverside N of the University of California, Riverside, E on Blaine, N on Belvedire 0.6 mi. to the base of Two Trees Canyon 396 Comment
  POM248026  Datura wrightii Philip A. Munz 1941-4-5 16695 Riverside 5 mi. Northeast of Desert Center. Comment
  RSA421892  Datura wrightii F. A. Thackery 1928-4-25 180 Riverside Indio. Comment
  RSA770445  Datura wrightii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4555 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 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
  SEINET7048151  Datura wrightii Steven R. Hill 2001-5-3 33652 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
  UCR154737  Daucus pusillus T. B. Salvato, Kent Beaman 2005-5-16 772 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-BC294106  Deinandra kelloggii H. M. Hall 1901-6-1 2420 Riverside San Jacinto Mountains. In the vicinity of Strawberry Valley 1828 Comment
  RSA753544  Deinandra kelloggii Michael Wall 2009-5-29 513 Riverside Bautista Canyon east of Hemet, ca. 8 miles SE of jct. with Fairview Ave., on north side of Bautista Rd. 773 Comment
  UCD131081  Deinandra kelloggii Virginia Moran 2003-7-17 s.n. Riverside Peninsular Range. Wilson Valley Mitigation Bank (Center for Natural Lands Management), northeast of Wilson Valley Road and West of Wilson Creek. 854 Comment
  UCD131168  Deinandra paniculata A. C. Sanders 2004-6-30 28397 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, 1 mile east of Murrieta Road and 1 mile north of Bundy Canyon Road, ca. 5 miles due soutn of Sun City. 470 Comment
  UCR266426  Deinandra paniculata D. E. Bramlet, Bill Wagner 2009-10-19 4403 Riverside Peninsular Range, Riverside, Sycamore Canyon Reserve, c. 0.75 km north of Allesandro Blvd., west of Sycamore Canyon Blvd., along dirt pole line road 470 Comment
  UCD96283  Delphinium parryi R. N. Raynor 1938-6-20 s.n. Riverside Coahuila. Comment
  UCR4123  Delphinium parryi Ronald M. Cope 1965-5-3 s.n. Riverside Box Springs Mtns., west side of road between Pigeon Pass Road and 'Big C', about 1 mi from 'C 610 Comment
  IRVC26833  Delphinium parryi subsp. parryi S. D. White 1997-2-28 4711 Riverside Elsinore Basin, SE of Hwy 74, ca 1 mi E of junction with Hwy I-15 Fwy 457 Comment
  SBBG35010  Delphinium parryi subsp. parryi T. L. Secrest 1951-5-18 Riverside San Jacinto, few mi E of Hemet Comment
  SD137654  Delphinium parryi subsp. parryi Darin L. Banks 1995-5-3 193 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along Arroyo Seco 500 Comment
  UC9156  Delphinium patens subsp. hepaticoideum H. M. Hall May 17 1901-Jun 1 1901 1804 Riverside Strawberry Valley San Jacinto Mt. Comment
  RSA0036467  Dendromecon rigida J. M. Andre 2012-6-15 30506 Riverside San Jacinto Mountains: Along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest. 1171 Comment
  SEINET10527286  Deschampsia gracilis Philip A. Munz 1941-5-18 Munz 16645 Riverside Dried mud-flat, 15 miles NE of Temecula. Comment
  UCR279340  Descurainia pinnata A. C. Sanders, Jim Malusa 2017-3-23 42948 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 3 miles east of Iris Pass 854 Comment
  CAS-BOT-BC43353  Descurainia pinnata subsp. glabra L. R. Abrams 1926-3-26 11073 Riverside Palm Canyon. Comment
  CAS-BOT-BC402294  Dicentra chrysantha H. M. Hall 1897-5-14 564 Riverside San Jacinto Mountains. At lower altitudes Comment
  UCR275280  Dicentra chrysantha T. B. Salvato, Gregg Miller 2005-6-7 1450 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
  RSA525275  Dichelostemma capitatum subsp. capitatum Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4589 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake 579 Comment
  CAS-BOT-BC292186  Dicoria canescens Louis C. Wheeler 1933-12-1 2287 Riverside 2 mi. E Cabezon [Cabazon], San Gorgonio Pass 640 Comment
  CAS-BOT-BC152916  Diplacus brevipes Peter H. Raven; R. Snow 1957-7-26 11087 Riverside Banning-Idyllwild road 0.9 mi. n. of Vista Grande Ranger station, San Jacinto Mts. Comment
  SEINET14595947  Diplacus brevipes Teresa Nieto 2005-1 03 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, ca. 8 miles southeast of Temecula, S of Hwy 79 at E end of Puaba Valley, end of Los Caballos Road in vicinity of water tank 457 Comment
  SD137603  Diplacus clevelandii Darin L. Banks, Steve Boyd 1995-5-17 460 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mointain., E of the dripping Springs Alcove area W of the Dripping Springs Trail, along the W fork of Upper Arroyo Seco 658 Comment
  RSA751357  Diplotaxis erucoides Steve Morgan 1998-3-18 s.n. Riverside weed in the UCR Botanical Garden, E side of the UCR campus 396 Comment
  UCD64452  Distichlis spicata H. S. Yates 1936-4-7 5437 Riverside Willis Palms. 243 Comment
  SEINET10521736  Distichlis spicata David B. Dunn 1947-9-21 Dunn 3510 Riverside Collected in Pushawalla Canyon. Dry banks below. 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
  JOTR35319  Ditaxis neomexicana Harding, Mitzi, Mark Wheeler 2012-2-28 87 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; eastern slopes of southern tip of range (Stop 1) 177 Comment
  RSA690986  Ditaxis neomexicana Scott D. White, Michael Honer 2003-5-15 9309 Riverside Bajada below Little Maria/ Big Maria Mtns. near Inca RR siding, ca. 15 air miles NW of Blythe. 61 Comment
  JEPS53473  Dithyrea californica L. M. Newlon 1922-4-3 423 Riverside Indian Wells Colorado Desert Comment
  RSA530746  Dithyrea californica E. S. Spalding 1926-2-13 s.n. Riverside Colorado Desert Comment
  RSA768412  Dithyrea californica J. Andre, T. La Doux 2009-2-25 10823 Riverside Palen Dry Lake: southeast margin of dry lake, approx. 6 miles north of I-10 freeway, about 15 miles east of Desert Center 129 Comment
  SEINET3195132 Image available Dithyrea californica Andrew C. Sanders 2010-3-15 37417 Riverside Sonoran (Colorado) Desert; pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe (Roosevelt Mine 7.5' Q.) 134 Comment
  RSA387373  Dodecahema leptoceras Steve Boyd 1986-4-19 1692 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road. Comment
  RSA753539  Dodecahema leptoceras M. Wall 2009-6-12 524 Riverside Bautista Creek off Bautista Canyon Rd. ca. 8 miles SE of jct. with Faiview Ave. Hemet 732 Comment
  UCR19331  Dodecatheon clevelandii subsp. clevelandii Aleena M. Tarshis 1977-4-7 s.n. Riverside Riverside; Cajalco Rd., about 1 mile west of La Sierra Ave, Lake Mathews 457 Comment
  UCR113630  Downingia cuspidata June Latting 1978-6-4 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, Mesa de Colorado 640 Comment
  RSA708420  Draba verna Scott D. White, James Huelsman 2005-2-18 10787 Riverside Anza. Just East of Cary Rd. and N. of Hwy 371. 1143 Comment
  RSA503398  Drymocallis glandulosa var. wrangelliana J. D. Olmsted 1962-5-9 3604 Riverside Bear Spring, SE side of Santiago Peak. 1524 Comment
  UCR37490  Dryopteris arguta Steve Boyd 1981-2-2 s.n. Riverside Peninsular Range, Gavilan Hills, Rocky Bluff Ridge Comment
  RSA423463  Dudleya N. C. Cooper 3957 Riverside Elsinore 610 Comment
  POM12745  Dudleya abramsii P. A. Munz 1922-6-23 5788 Riverside 2 miles NW of Kenworthy 1372 Comment
Read comments
May 28 2011
  UCR127538  Dudleya abramsii A. C. Sanders, K. Kramer 2003-6-11 26876 Riverside San Jacinto Mtns., Garner Valley, foothills on the northeast side of the valley, 1/2 mile west of Morris Ranch Rd. on a dirt track, c. 1 km west of Goff Flat 1616 Comment
  RSA180468  Dudleya lanceolata E. W. Lathrop 1960-5-27 5227 Riverside 6 miles west of Murrieta. Comment
  UC1506121  Dudleya lanceolata Robert T. Clausen with E. R. Clausen and H. E. Clausen 1963-4-18 63047 Riverside 10 km se Murrieta (summit of ridge s of Santa Gertrudis Creek); Transverse Ranges 390 Comment
  SD134467  Dudleya multicaulis Craig Reiser 1989-4-19 Riverside Western flank of Alberhill in western part of county Comment
  SD60446  Dudleya pulverulenta Reid Moran 1964-7-27 11864 Riverside Canyon of Santa Margarita River, 2.5 miles southsouthwest of Temecula. 199 Comment
  SEINET8060777 Image available Echinocactus polycephalus var. polycephalus Michael Chamberl 1990-1-11 15 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
  RSA0125229  Echinocereus engelmannii var. engelmannii J. R. Shevock 1971-5-8 1038 Riverside Near White Tank, Joshua Tree National Monument 1220 Comment
  VVC2322  Echinochloa crus-galli Tim Thomas 2011-10-17 5521 Riverside Sonoran Desert, Ford Dry Lake off ramp just N of I 10 in drainge channel at edge of Lake. 108 Comment
  CAS-BOT-BC445612  Echinodorus berteroi Samuel B. Parish 1891-11-3 2246 Riverside Elsinore Lake Comment
  RSA736759  Eclipta prostrata Scott D. White, Lynn Stafford 2007-6-27 11751 Riverside Chino Hills State Park: Santa Ana River floodplain just below Prado Dam. 134 Comment
  UCR9300  Eclipta prostrata K. Black 1969-10-26 s.n. Riverside Santa Ana River bottom near the Van Buren Bridge Comment
  RSA544439  Elatine brachysperma Steve Boyd, Timothy S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6346 Riverside Skunk Hollow Area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aqueduct. Comment
  UC219271  Elatine californica P. A. Munz and I. M. Johnston 1922-5-20 5460 Riverside Kenworthy San Jacinto Mts 1432 Comment
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Mar 25 2011
  SD90489  Eleocharis bella Robert F. Thorne, E. Lathrop et al. 1969-5-19 37954 Riverside Santa Rosa Plateau: north end of large vernal marsh, Mesa de Colorado, Rancho California 625 Comment
  RSA612700  Eleocharis palustris Darin L. Banks 1997-3-29 1598 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border., West of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  HSC80291  Eleocharis radicans Steve Boyd 1985-8-7 1108 Riverside Santa Rosa Plateau, NW base of Redonda Mesa on Tenaja Rd., 0.8 mi. E of the junction w/ FS Rds. 8S01 & 8S02 671 Comment
  UCR93237  Eleusine indica A. C. Sanders 1994-7-27 15163 Riverside Riverside, Santa Ana River between the San Bernardino Co. line & the Market Street Bridge 246 Comment
  UCR96426  Elymus elymoides Scott D. White 1996-8-1 4404 A Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  LA14813  Elymus glaucus H. S. Yates; 1937-6-27 6713 Riverside San Jacinto Mountains, near Idlewild (Idyllwild) 1676 Comment
  RSA591814  Elymus glaucus subsp. glaucus E. W. Lathrop 1973-6-28 7438 Riverside Main Divide Truck Trail between El Cariso and Santiago Peak, Cleveland National Forest. 1220 Comment
  UCR252007  Elymus hispidus A. C. Sanders, T. B. Salvato 2014-7-2 41185 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  RSA401467A  Emmenanthe penduliflora Jeannette B. Edge 1934-4-22 18917 Riverside Jurupa Mountains, Mountain slope 549 Comment
  SD137736  Emmenanthe penduliflora Darin L. Banks, Steve Boyd 1995-5-3 221 Riverside Agua Tibia Wilderness Area. East of the Dripping Springs Alcove Area; Arroyo Seco. 1640 Comment
  SFV5025  Emmenanthe penduliflora F. M. Ball 1964-1-4 s. n. Riverside Colorado Desert Wide bench on right side of Rt. 74 to Hemet, about 7 miles south of Palm Desert. 335 Comment
  UCR213538  Emmenanthe penduliflora A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37808 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, under powerlines near dirt extension of Lake St., 1.1 mi. NW (356 deg. ) of intersection of I-15 and Lake St. 549 Comment
  UCR84597  Emmenanthe penduliflora Scott D. White, S. Ogg 1994-4-21 1964 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  RSA596770  Encelia actoni D. L. Banks, K. D. Hedge 1996-5-16 1032 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, E of the gate to the University of California-Emerson Oaks Reserve. 451 Comment
  UC488974  Encelia actoni C. V. Meyer 1927-6-1 210 Riverside w base of San Jacinto Mt. 609 Comment
  UCR241814  Encelia californica A. C. Sanders, Timothy W. Chumley 2013-4-2 40752 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., above I-15 Fwy, SE of Corona (Lee) Lake 396 Comment
  LA88053  Encelia farinosa D. Dunn; 1948-1-1 3643 Riverside 1 mi. SE of Cabyon [Cabazon] in the Bannings Pass between San Jacinto Mountains and the San Goronio Mountains Comment
  SD239587  Encelia farinosa A. C. Sanders 2010-11-18 38691 Riverside Peninsular Range; western Gavilan Hills: eastern edge of Corona, north end of radio tower ridge, 1.85 mi. NNE (25a^z) of El Cerrito, 1 mi. SSE (143a^z) of Home Gardens, just east of large rock quarry. 398 Comment
  UCD20080  Encelia farinosa Donald W. Kyhos 1965-5-11 65 -213 Riverside 14.9 miles north of junction of Hwy 95 and Hwy 60-70, on Hwy 95. Comment
  UCR241657  Encelia farinosa T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 317 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  UCR41600  Encelia farinosa A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6032 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  RSA525426  Encelia farinosa var. farinosa Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4534 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake Comment
  SBBG109174  Encelia frutescens D. Wilken with G. A. Wilken 1997-11-1 15374 Riverside tributary of San Bernardino Wash, 0.3 km SW of Gold Crown Rd, SW slope of Pinto Mtns 605 Comment
  NY70336  Ephedra aspera C. L. Hitchcock 1940-3-29 s.n. Riverside Cottonwood Canyon Comment
  SD124750  Ephedra aspera A. C. Sanders, D. Charleton & B. Pitzer 1986-3-3 6142 Riverside north foot of the Chuckwalla Mountains, 2.75 miles airline southeast of Desert Center 365 Comment
  CAS-BOT-BC81535  Ephedra californica Lewis S. Rose 1940-3-13 40113 Riverside [Whitewater] White Water 60 Comment
  RSA383881  Ephedra californica N. C. Cooper 1944-3-25 1040 Riverside Morongo Pass. 457 Comment
  NY70653  Ephedra trifurca R. S. Ferris 1958-3-19 13265 Riverside 2.1 miles osuth of Rice, on road to Midland and Blythe Comment
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Jun 2 2012
  UCD84926  Ephedra trifurca Chuck Hughes 2010-3-21 198 b Riverside About 2.3 miles south of Highway 62, next to railroad tracks. 225 Comment
  UC56367  Epilobium brachycarpum J. Vanderventer 1903-1 17 Riverside San Jacinto Mts. Comment
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Mar 12 2011
  CAS-BOT-BC171743  Epilobium canum subsp. latifolium F. W. Peirson 1922-12-27 3336 Riverside Andreas Canyon between forks and at North Fork, where trail branch comes down, Colorado Desert Comment
  RSA162775  Epilobium ciliatum subsp. ciliatum J. D. Olmsted 1959-7-1 712 Riverside Wellman s Cienega along San Jacinto Pk. trail from Fern Valley NE of Idyllwild. Comment
  UCR195130  Epilobium densiflorum A. C. Sanders, Tim Thomas 2008-8-1 35954 Riverside Peninsular Range; San Jacinto Mtns., lower Coldwater Creek near Mountain Center, SSE of Keenwild Fire Station 1372 Comment
  RSA607566  Epipactis gigantea Louis C. Wheeler 1964-6-19 8486 Riverside Palm oasis at mouth of Andreas Canyon near Palm Springs. Comment
  RSA639350  Equisetum laevigatum L. C. Wheeler 1933-5-28 1864 Riverside Santa Ana River at Chino Creek. Comment
  RSA651791  Eragrostis D. Gordon 1952-7-28 s.n. Riverside near Hemet. Comment
  RSA763419  Eragrostis Justin M. Wood, Brandy Wood 2009-7-4 1043 Riverside Riverside Flood Control Basin, SW corner of Patton Rd and Wineville Rd, immediately S of San Bernardino County Line. 250 Comment
  RSA737222  Eragrostis cilianensis Justin M. Wood 2008-9-30 181 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR2386  Eragrostis mexicana subsp. mexicana F. M. Reed 1906-7-15 1469 Riverside Roadsides in Riverside Comment
  UCR113926  Eragrostis pectinacea Mitch Provance, A. C. Sanders 2000-7-4 2080 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  JEPS68602  Eremalche exilis W. L. Jepson 1927-4-11 11629 Riverside Whitewater n.w. Colorado Desert, Whitewater 457 Comment
  SBBG99225  Eremalche rotundifolia W. L. Halvorson 1977-3-8 77 -79 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  UCR112749  Eremalche rotundifolia A. C. Sanders, T. B. Salvato 2000-4-21 23347 Riverside Coachella Valley, east side of the Coachella Canal c. 1/4 mi. north of I-10, 3 miles east of Indio 15 Comment
  RSA33664  Eremocarpus setiger N. C. Cooper 1943-9-10 900 Riverside Banning. 610 Comment
  RSA586937  Eremocarpus setiger D. L. Banks, Peter Morrell 1995-5-4 0303 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, N of the Wildhorse Trail, along Arroyo Seco. 597 Comment
  SBBG60443  Eremothera boothii subsp. condensata L. Rowntree 1930-5-7 Riverside Hidden Springs Comment
  JOTR33990  Eremothera boothii subsp. desertorum La Doux, Tasha, M. Harding 2010-4-7 2878 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  RSA0123299  Eremothera chamaenerioides Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8985 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
  SD132322  Eriastrum densifolium subsp. elongatum B. Pitzer, B. L. Phillips 1988-7-1 1481 Riverside Dripping Springs area, south of Vail Lake, north of Highway 79, and between Kolb and Arroyo Seco Creeks. 487 Comment
  POM8324  Eriastrum eremicum Mary F. Spencer 1918-5-7 s.n. Riverside San Jacinto Mountains 1524 Comment
  JOTR34364  Eriastrum eremicum subsp. eremicum Andre, Jim 2012-4-16 20880 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  RSA0122946  Eriastrum eremicum subsp. eremicum Scott D. White, Justin M. Wood 2009-4-28 12616 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  UC774165  Eriastrum sapphirinum C. Epling and Wm. Robison 1933-6-24 Riverside San Gorgonio Wash Little San Bernardino Mountains Comment
  UCR133326  Eriastrum sapphirinum 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
  UCR133444  Eriastrum sapphirinum Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 456 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  UCR261143  Eriastrum sapphirinum A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-20 41733 Riverside Temesal Canyon, open area on south side of I-15, between Horse Thief Canyon Road and Hostettler Rd. 370 Comment
  RSA0122961  Eriastrum sapphirinum subsp. sapphirinum C. W. Tilforth, W. Wisura 1979-8-8 1900 Riverside Garner Valley at Lake Hemet, Highway 74. 1326 Comment
  JOTR34488  Ericameria cooperi Andre, Jim 2012-4-16 20972 Riverside Joshua Tree National Park. along Cottonwood Spring Road, approx. 6 mi. south of the North Entrance at Twin Tanks parking area. 1196 Comment
  UCR51859  Ericameria cuneata Steve Boyd 1987-11-23 2094 Riverside Perris-Aguanga basin region, Mt. Russell, north of Lake Perris, Moreno Valley. 762 Comment
  OBI5706  Ericameria linearifolia Carl B. Wolf 1931-5-11 1951 Riverside Hemet Valley, San Jacinto Mtns Comment
  POM10296  Ericameria palmeri var. pachylepis Mr Grout, S. Grout 1903-11 32 Riverside Rubidoux Comment
  RSA614100  Ericameria palmeri var. pachylepis A. C. Sanders, Tracy Tennant 1997-11-14 21605 Riverside San Bernardino Mtns: Morongo Indian Reservation, Hathaway Canyon drainage. 884 Comment
  UCD131522  Ericameria paniculata Glen Holstein 1978-12-31 s.n. Riverside along Highway 111, 3 miles northwest of intersection with road to Palm Springs aerial tramway. 152 Comment
  CAS-BOT-BC294844  Erigeron breweri var. jacinteus Mrs. C. M. Wilder 1909-7-12 972 Riverside Snow Creek, San Jacinto Mts. Comment
  SD133184  Erigeron foliosus var. foliosus Scott White 1991-5-13 91 108 Riverside Highway 79 immediately west of U. S. Forest Service Campground at Dripping Springs. 550 Comment
  UCR84065  Erigeron foliosus var. foliosus A. C. Sanders, T. Schram, D. Wappler 1994-10-4 15776 Riverside San Jacinto Mtns, N slope of the mtns: nameless tributary to Azalea Creek, c. 1 mi. due south of the Twin Pines Ranch buildings. 1128 Comment
  UCR24000  Eriochloa aristata John C. Roos 1965-9-26 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, Indio -3 Comment
  POM49855  Eriodictyon crassifolium P. A. Munz, I. M. Johnston 1924-7-29 8873 Riverside Roadside in chaparral near poppet Flat Comment
  SJSU3147  Eriodictyon crassifolium J. W. Tofflemire 1957-4-18 27 Riverside by Bautista Canyon Rd 6 mi SE of Hemet 762 Comment
  HSC101791  Eriodictyon crassifolium var. crassifolium J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13210 Riverside Mt. Etna Road, W of Hwy. 243. 1166 Comment
  CLARK-A1656-783  Eriodictyon trichocalyx subsp. trichocalyx Theo Glenn 1982-4-23 Riverside Cottonwood Canyon Comment
  POM209904  Eriodictyon trichocalyx var. lanatum Victor Duran 1933-7-1 3489 Riverside Near Santa Rosa, Santa Rosa Mts 1677 Comment
  JOTR32457  Eriogonum angulosum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2603 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam loop trail, near trailhead; Sandy wash and open flats among boulder outcrops (Stop 2) 1298 Comment
  UCR127545  Eriogonum angulosum A. C. Sanders, Mark Elvin 2001-8-17 24597 Riverside Mojave Desert, Little San Bernardino Mtns, trail from Key's View to Inspiration Point, Joshua Tree National Park 1646 Comment
  UC2030003  Eriogonum apiculatum Louis C. Wheeler 1945-10-7 6412 Riverside SAN GABRIEL MOUNTAINS: divide between West Fork Snow Creek and North Fork San Jacinto River. Comment
  CAS-BOT-BC242760  Eriogonum davidsonii P. A. Munz; E. K. Balls 1952-8-21 17963 Riverside Hamilton Creek, s.e. part of San Jacinto Mts. 1371 Comment
  SEINET6340538  Eriogonum davidsonii B. Thomas 1967-10-22 346 -83 Riverside Fulmar lake, 8 miles N of Idyllwild, of Co. Rd. R-1 1829 Comment
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Nov 8 2015
  JEPS57021  Eriogonum elongatum var. elongatum Marjorie D. Clary 1932-9-22 1562 Riverside n Banning; San Gorgonio Mts. 914 Comment
  UC511830  Eriogonum elongatum var. elongatum Frank W. Peirson 1933-4-15 10651 Riverside 4 1/2 mi above the bridge; Whitewater River 701 Comment
  UCR140742  Eriogonum fasciculatum subsp. foliolosum A. C. Sanders 2004-5-11 27851 Riverside Elsinore Basin Region, Alberhill Mountain, ridgetop overlooking Walker Canyon and I-15 Fwy 488 Comment
  RSA701344  Eriogonum fasciculatum var. foliolosum M. Wall 1996-1-5 116 Riverside S of Hemet along Bautista Canyon Rd, S of Hwy 74, 6.3 mi SE of Fariview Avenue. 610 Comment
  UCR22011  Eriogonum fasciculatum var. foliolosum Steve Boyd 1980-5-11 230 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  RSA0034568  Eriogonum fasciculatum var. foliolosum M. M. Thompson 1947-8-21 C 2058 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  RSA6100  Eriogonum fasciculatum var. polifolium Carl B. Wolf 1932-5-24 3644 Riverside 0.5 mile below the Fish Hatchery, Snow Creek, north base of San Jacinto Mountains 549 Comment
  SD136782  Eriogonum gracile Steve Boyd 1994-10-14 8379 Riverside San mateo Canyon Wilderness Area of the Cleveland National Forest. Fisherman's Camp Trail (7S02) from Wildomar Road (7S01) west into Tenaja Canyon at its confluence with San Mateo Canyon, NW/4 sec 28 462 Comment
  RSA191431  Eriogonum gracile var. gracile E. W. Lathrop, Robert F. Thorne 1967-9-26 6647 Riverside 6 miles NW of Murrieta. Comment
  RSA242184  Eriogonum gracile var. 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. 915 Comment
  RSA544289  Eriogonum gracile var. gracile Steve Boyd, Tim S. Ross 1991-6-14 6358 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
  SD241928  Eriogonum gracile var. incultum A. C. Sander, John F. Green 2012-6-25 40312 Riverside Peninsular Range; Santa Ana Mountains Region: Temescal Canyon near Hostettler Road south of I-15, narrow canyon draining from vicinity of Palomino Creek Drive at end of Calendula Street (Alberhill 7.5'Q) 387 Comment
  RSA0021330  Eriogonum gracillimum Duncan S. Bell, Kim Clark, Keir Morse, Harry Spilman 2013-3-30 4656 Riverside Around the confluence of the San Gorgonio and Whitewater river drainages, just south of the historic Palm Springs Station, about 1.5 air miles northwest of Windy Point. 340 Comment
  CAS-BOT-BC257583  Eriogonum inflatum Roxana S. Ferris 1918-6-14 980 Riverside In Box Canon [Canyon], Chocolate Mts. on Mecca-Blythe Rd Comment
  RSA709906  Eriogonum inflatum Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4611 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  RSA766083  Eriogonum inflatum Joseph A. Ewan 1930-4-18 3087 Riverside Dry Morongo Creek below Morongo Valley. 518 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
  RSA393584  Eriogonum inflatum var. inflatum Grinnell s.n. Riverside Andreas Canon Comment
  JOTR33783  Eriogonum maculatum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2925 Riverside Joshua Tree National Park. north of Quail Mountain, near the mouth of Johnny Lang Canyon; loamy and gravelly gentle slopes with rock outcrops in an old burn area from 1999 fire 1173 Comment
  JEPS56712  Eriogonum molestum Marjorie D. Clary 1932-7-4 995 Riverside Vandeventer Flats San Jacinto Mts., Vandeventer Flats 1341 Comment
  SD22472  Eriogonum molestum Susan G. Stokes 1933-7-1 Riverside Idyllwild to summit of Banning Grade 1584 Comment
  JEPS56625  Eriogonum nudum var. pauciflorum Carl V. Meyer 1928-8-1 623 Riverside near water supply spring (Tahquitz group, U. S. government summerhome site lots); San Jacinto Mt., U. S. government summerhome site lots 1767 Comment
  RSA772136  Eriogonum pusillum Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4977 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
  JOTR32195  Eriogonum saxatile Harding, Mitzi & Herskovits, Tasya, D. Oquendo 2011-5-5 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; side canyon of Pushawalla Canyon; Steep rocky/gravelly drainage near elevated seep, and steep gravelly hills surrounding it (Stop 4) 1371 Comment
  JOTR32450  Eriogonum saxatile La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2043 Riverside Joshua Tree National Park. Little San Bernardino Mountains, above Lower Covington Flats; STOP 2: steep rocky canyon heading up to west side of Quail Mountain region Comment
  CAS-BOT-BC263524  Eriogonum thomasii John H. Thomas 1957-3-30 6526 Riverside 0.8 miles east of Cactus City, about 13 miles east of Coachella, near U.S. Highways 60 and 70, Colorado Desert 518 Comment
  RSA0107796  Eriogonum thomasii Duncan S. Bell, Amanda Turek 2009-3-30 176 Riverside South end of the Arica Mountains; approximately 1.5 air miles southwest of Priest Well. 365 Comment
  SEINET4568270 Image available Eriogonum thomasii Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2003-2-10 4584 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UC1595720  Eriogonum thomasii W. Wisura, J. Dolan, M. Wall 1992-3-24 4617 Riverside on Box Canyon Rd. 4.7 mi ne Mecca Comment
  UCR18275  Eriogonum thurberi Helen Leach 1966-5-31 s.n. Riverside Santa Ana Riverbottom between Pedley (Van Buren) and Rubidoux (Mission) Bridges 244 Comment
  UCR211720  Eriogonum thurberi Fred M. Roberts, D. E. Bramlet 2005-6-6 6247 Riverside Perris Basin, San Jacinto Valley, San Jacinto River Wash, just west of SR 79 overpass, 1.4 km west-southwest of Gilman Hot Springs 442 Comment
  UCR108744  Eriogonum trichopes var. trichopes Scott D. White, Sandy Leatherman 1998-4-15 6290 Riverside Sonoran (Colorado) Desert, La Quinta/Palm Desert Area: Near Miles Ave. crossing over Whitewater River Channel. Degraded dunes north of Miles Ave. & west of Washington St., Coachella Valley 43 Comment
  SFV20148  Eriogonum wrightii var. membranaceum J. N. Hogue, S. G. Hogue, J. M. Wrublik 2005-9-4 261 .2 Riverside Santa Rosa Mountains Garnet Queen Creek at Santa Rosa Mountain Truck Trail (=USFS Road 7S02). 4.8 miles from Highway 74. 1865 Comment
  CAS-BOT-BC261780  Eriogonum wrightii var. nodosum P. A. Munz 1936-5-5 14593 Riverside Whitewater Creek, 2mi. north of main highway, northwestern corner of Coachella Valley Comment
  RSA342566  Eriophyllum confertiflorum R. F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54073 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  SEINET2050884 Image available Eriophyllum confertiflorum Marc Mittleman 1982-5-25 Riverside Gentry Experimental Ranch, Los alamos Road, Murrieta 366 Comment
  UCR177115  Eriophyllum confertiflorum Tracy Tennant, Jeffrey Ross 1998-3-10 MOR- 1107 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon 1037 Comment
  UCR240656  Eriophyllum confertiflorum Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 45 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Hathaway Canyon 884 Comment
  RSA586859  Eriophyllum confertiflorum var. confertiflorum D. L. Banks, Steve Boyd 1995-5-3 0278 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  CAS-BOT-BC301788  Eriophyllum multicaule P. A. Munz; R. D. Harwood 1920-3-20 3386 Riverside Temescal Canyon 365 Comment
  POM358076  Eriophyllum multicaule Ora M. Clark 1929-4-6 1942 Riverside South of Hemet. 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
  SD37566  Eriophyllum wallacei Edith A. Purer 1935-4-21 6481 Riverside Near Palm Springs. Comment
  UCR882  Eriophyllum wallacei S. C. Anderson 1957-4-14 s.n. Riverside Santa Rosa Mtns., Deep Canyon, south of Palm Desert. 305 Comment
  UCR94242  Eriophyllum wallacei Scott D. White 1996-4-14 3907 Riverside Perris Basin/San Jacinto Mtns., E of Hemet: San Jacinto River Wash near Valle Vista, north of Hwy 74, c. 1.7 mi west of USFS Cranston Fire Station 549 Comment
  RSA691980  Erodium botrys Scott D. White, Michael Honer 2003-4-2 8923 Riverside Temescal Valley: Alberhill area. North of the I-15 Freeway, on and near crest of unnamed mountain, 2349. 671 Comment
  RSA543610  Erodium brachycarpum Steve Boyd 1991-5-7 6172 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  UCR136250  Erodium brachycarpum A. C. Sanders 2004-4-20 27571 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
  UCR155320  Erodium brachycarpum A. C. Sanders, Mike Misenhelter 2005-3-23 29247 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  RSA753483  Erodium cicutarium Scott D. White, Justin M. Wood 2009-5-21 12850 Riverside San Jacinto Mountains: McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  RSA660053  Erodium cicutarium Carol Zuck 1981-2-16 31 Riverside 1 mi east of I-15 on Cajelco Rd. Comment
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Jun 27 2013
  UCR173930  Erodium macrophyllum A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32566 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
  RSA0043367  Erodium texanum Marc A. Baker, Amy Robinson, Chris Hackbarth, Michelle Cloud-Hughes 2013-3-19 17713 Riverside Palo Verde Mesa, 14 km SW of Blythe, 5 km ENE of north end of the Mule Mountains. Comment
  UCR134589  Erodium texanum Marisa Sripracha, Kyle Boyd 2004-2-14 024 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 Comment
  SD134372  Erythranthe breweri Craig Reiser 1992-5-9 Riverside San Jacinto Mountains, Thomas Mountain Comment
  SEINET269260 Image available Erythranthe guttata M. A. Patten, S. J. Myers 1993-1 Riverside Along Tahquitz Creek and in neighboring creosote scrub behind the debris basin dam in Palm Springs 183 Comment
  RSA0015878  Erythranthe moschata E. C. Jaeger 1921-6-21 s.n. Riverside Idyllwild. 1585 Comment
  RSA0022938  Eschscholzia androuxii P. A. Munz, Percy C. Everett 1952-5-2 16244 Riverside Dry Morongo Wash, n.w. end of Coachella Valley. 457 Comment
  UCR281222  Eschscholzia caespitosa Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-18 417- 47 Riverside Perris-Aguanga Basin, Menifee, Bundy Canyon Rd., NE intersection with Sunset Ave. 534 Comment
  HSC16762  Eschscholzia californica C. L. Hitchcock, C. V. Muhlick 1964-3-17 23096 Riverside 3 mi. SE of Glen Ivy Hot Springs. Comment
  UC118512  Eschscholzia californica Charlotte M. Wilder June, 1905 653 Riverside Wilder's Canyon West Riverside, Jurupa Hills Comment
  UCR174083  Eschscholzia californica A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32544 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 564 Comment
  POM220074  Eschscholzia minutiflora F. R. Fosberg 1932-3-13 8070 Riverside Thousand Palms Canyon, Coachella Valley. Comment
  RSA0022949  Eschscholzia minutiflora Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4612 -b Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA777420  Eschscholzia minutiflora Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 779 Riverside Mecca Hills, just south of Shaver's Well. 305 Comment
  UCD94285  Eschscholzia minutiflora Shannon M. Still 2009-2-21 438 Riverside California. Riverside County. 223 Comment
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Sep 2 2017
  SEINET10476369  Eschscholzia minutiflora David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-14 Dunn 3752 Riverside Found in wash above quad 6. Indio hills, colorado desert. Near pushawalla. Comment
  SEINET5339996  Eschscholzia minutiflora var. darwinensis I. W. Clokey 1935-4-17 6628 Riverside Cottonwood Springs. Comment
  GMDRC5578  Eschscholzia papastillii Shannon M. Still 2009-2-21 436 Riverside 167 Comment
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Sep 2 2017
  CAS-BOT-BC419615  Eschscholzia parishii Richard Snow 1953-4-5 51 a Riverside Box Canyon Comment
  CAS-BOT-BC419626  Eschscholzia parishii Philip A. Munz 1949-4-13 13056 Riverside Above Cottonwood Springs, west end of Eagle Mts., Colorado Desert 1143 Comment
  CAS-BOT-BC419630  Eschscholzia parishii D. W. Kyhos 1962-3-18 62 -43 Riverside Slope of hill at west side of mouth of Whitewater Canyon Comment
  CAS-BOT-BC419645  Eschscholzia parishii Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater 304 Comment
  JOTR32911  Eschscholzia parishii La Doux, Tasha, Jim Andre 2009-2-28 352 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; along Berdoo Canyon Rd, approx. 0.8mi north of JTNP boundary, approx. 3mi north of Dillon Rd. 631 Comment
  SEINET249789  Eschscholzia parishii Aven, Ruth Nelson 1939-3-29 3320 Riverside Hidden Springs Canyon. 610 Comment
  SEINET3094859 Image available Eschscholzia parishii Norman C. Cooper 1949-4-8 3251 Riverside Mecca Pass east of Indio. Comment
  UCR167412  Eschscholzia parishii John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  UCR233153A  Eschscholzia parishii Jim Andre, Glenn L. Clifton 2011-2-22 17459 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  CAS-BOT-BC520439  Eucalyptus camaldulensis A. C. Sanders; John F. Green 2012-3-20 39978 Riverside Peninsular Range; Elsinore Trough: Lake Elsinore, Collier Ave. at 3rd St., just S of I-15 Fwy 388 Comment
  SD186255  Eucalyptus camaldulensis A. C. Sanders 2004-6-20 28230 Riverside Temescal Canyon, between Glen Ivy Hot Springs and Arcilla. 292 Comment
  SDSU12879  Eucalyptus camaldulensis J. Jill Steinberg, Leon Steinberg 1998-4-5 36 Riverside Ca. 50 yards north of abandoned trailer northwest of entrance gate to Santa Magarita (SDSU) Field Station, in abandoned grove of Eucalyptus just south of small stream. 311 Comment
  UC1424860  Eucrypta chrysanthemifolia var. chrysanthemifolia C. W. Tilforth 1978-4-30 1570 Riverside hills e Norco Comment
  POM431205  Eucrypta micrantha J. C. Roos 1958-2-21 s.n. Riverside Corn Springs. Chuckwala Mtns. Comment
  RSA776838  Eucrypta micrantha Amber Swanson, Duncan S. Bell 2011-3-18 223 Riverside About 3 airmiles SE of Desert Center, N of Chuckwalla Mtns. 392 Comment
  UCSB31595  Euonymus occidentalis subsp. parishii Griesel, Wesley 1962-6-29 Riverside Dark Canyon, San Jacinto Mts. 1920 Comment
  UC869898  Euonymus occidentalis var. parishii C. Epling and Wm. Robison 1935-6-20 Riverside N. Fork San Jacinto R. 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
  RSA709800  Euphorbia albomarginata A. C. Sanders 2004-6-30 28390 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, large rocky hill (1762 ft.) 1 mi. E of Murrieta Rd. and 1 mi. N of Bundy Canyon Rd., ca. 5 miles due south of Sun City. 470 Comment
  UCR201449  Euphorbia albomarginata Scott D. White, Justin M. Wood 2008-6-5 12065 Riverside San Jacinto Mountains, Quinn Flat Meadow 1396 Comment
  RSA0121209  Euphorbia jaegeri Duncan S. Bell, LeRoy Gross 2016-3-8 8816 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; center of the range, approximately 2 air miles east southeast of the summit for the range. 603 Comment
  HSC78931  Euphorbia misera R. F. Thorne, Drs. Fosberg, Sachet, Herbst 1983-4-23 55410 Riverside San Bernardino Mtns., mouth of Whitewater canyon, E of Whitewater Post Office at S end of ridge 412 Comment
  UCR36093  Euphorbia misera R. F. Thorne, F. R. Fosberg, et al. 1983-4-23 55410 Riverside San Bernardino Mtns, Mouth of Whitewater Canyon, east of Whitewater Post Office at S end of ridge, in sandy wash east of bridge, and on base of W-facing slope of ridge 412 Comment
  UCR99440  Euphorbia ocellata L. C. Wheeler 1952-10-29 7010 a Riverside Riverside, Citrus Experimental Station Comment
  UCR166872  Euphorbia polycarpa Chet McGaugh 2005-1-27 s.n. Riverside Sonoran (Colorado) Desert, E of Salton Sea, along Coachella Canal between siphons 26-27 NE of Dos Palmas Spring 24 Comment
  UCR214302  Euphorbia polycarpa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38398 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
  RSA432471A  Euphorbia polycarpa var. hirtella N. C. Cooper 1936-1 2160 Riverside 17 Palms. -30 Comment
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Mar 16 2014
  UCR272198  Euphorbia serpillifolia Duncan S. Bell 2015-9-30 8661 Riverside Santa Rosa Mountains, summit area of Asbestos Mountain 1573 Comment
  SD43539  Euphorbia setiloba Philip A. Munz 1946-10-20 11579 Riverside Palms to Pines Highway at north base of Santa Rosa Mountains 1039 Comment
  POM163315  Eustoma exaltatum R. C. Bacigalupi 1925-7-1 1245 Riverside Riverside Canyon. Comment
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Feb 22 2014
  SEINET955801  Fabaceae F. A. Thackery 1927-1 a- 275 Riverside Banning, heights Comment
  RSA778403  Fagonia laevis Stephanie Rockwood, Christi Gabriel 2011-10-5 62 Riverside Ship Creek. Corn Springs Rd Exit from I10. Take Chuckwalla Valley Rd to Dupont Rd. Follow approximately 5 miles. Chuckwalla Mountains Wilderness Area. 341 Comment
  UC667351  Fagonia laevis Annie M. Alexander and Louise Kellogg 1941-5-26 2235 Riverside n wall Munsen Canyon; Eagle Mts. 822 Comment
  UCR112103  Fagonia laevis A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23354 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 15 Comment
  SEINET912731  Fagonia pachyacantha Annie M. Alexander, Louise Kellogg 1941-1 2233 Riverside Box Canyon, east of Mecca. 243 Comment
  UCR99208  Fatoua villosa Steve Morgan 1990-11-30 s.n. Riverside Riverside, UCR Botanical Garden 366 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
  UCR113151  Festuca microstachys A. C. Sanders 1998-3-11 21680 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near old mine site above San Jacinto Valley, south of end of Warren Rd. 610 Comment
  UCR20466  Festuca microstachys John C. Roos 1952-4-9 5481 Riverside Hill by Fairmont Park, Riverside 259 Comment
  UCR228838  Filago arizonica A. C. Sanders, T. B. Salvato 2011-4-27 39337 Riverside Peninsular Range, south side of Alberhill Mountain in vicinity of Durant Siding and Terra Cotta, near Nichols Rd. and extension (under construction) toward Lake St. 390 Comment
  RSA85099  Filago californica J. C. Roos 1952-4-9 5510 Riverside Scattered along dry sunny roadside with Avena barbata, Muhlenbergia microsperma, etc., southeast face Mt. Rubidoux. 335 Comment
  UCR44424  Filago californica A. C. Sanders, B. Pitzer 1986-4-30 6485 Riverside San Jacinto Mtns, upper Bee Canyon along the road, 1.3 mi. above the mouth of the canyon at the San Jacinto River Valley 732 Comment
  RSA586917  Filago depressa D. L. Banks, Steve Boyd 1995-5-3 0252 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
  SD80100  Forestiera neomexicana Nancy Ryan Zabriskie, Walter Zabriskie 1971-8-20 424 Riverside Above 1st turnout east side Santa Rosa Mountain Road, 0.6 mile above Highway 74. 1524 Comment
  SEINET8754812 Image available Forestiera pubescens subsp. neomexicana Bonnie C. Templeton 1930-4-15 1476 Riverside Gavilan Peak Comment
  RSA96633  Fouquieria splendens E. K. Balls 1954-4-19 19038 Riverside [Unspecified] 61 Comment
  CAS-BOT-BC454536  Fragaria vesca subsp. californica Tom Paradise 1993-5-22 18 Riverside James San Jacinto Mountains Reserve. 1/2 mile East of Highway 243, near Lake Fulmor Comment
  RSA0018452  Frangula californica subsp. cuspidata T. Scott, A. Townesmith, K. M. Meyer 2007-3-15 132 Riverside San Bernardino National Forest. 14.5 mile S on Rt. 243 from US 10, at pulloff next to Soboba Penny Pine Plantation. 1602 Comment
  RSA342548  Fraxinus velutina var. coriacea Robert F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54097 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 Comment
  POM12925  Fremontodendron californicum Philip A. Munz 1922-6-24 5805 Riverside Pipe Creek, San Jacinto Mountains 1585 Comment
  HSC101559  Funastrum cynanchoides var. hartwegii J. P. Smith, J. O. Sawyer 2009-11-30 12699 Riverside 584 Comment
  RSA70346  Funastrum cynanchoides var. hartwegii F. W. Peirson 1925-5-20 6010 Riverside Aguanga. 610 Comment
  RSA797604  Funastrum cynanchoides var. hartwegii R. F. Thorne, Walter Wisura 1977-9-17 50765 Riverside San Jacinto Mountain: Chino Canyon along road to tramway Comment
  JOTR31809  Funastrum hirtellum La Doux, Tasha, Bill Truesdell 2007-11-9 2517 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park, open bajada below mouth of Lost Palms Canyon (Stop 2) 601 Comment
  POM184548  Funastrum hirtellum C. L. Hitchcock 1932-4-7 12199 Riverside Corn Springs. Comment
  POM248431  Funastrum hirtellum Philip Crow 1939-07 5 Riverside Blythe Comment
  POM259736  Funastrum hirtellum E. C. Jaeger 1939-12-29 s.n. Riverside Eytel canon branching from Fargo Canon 5 mi. east Indio. 244 Comment
  POM76095  Funastrum hirtellum Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  RSA0118592  Funastrum hirtellum Sarah J. J. De Groot, Cheryl Sevilla 2016-3-16 7649 Riverside Mecca Hills, side road MC 093 from Little Box Canyon Road. Side canyon forking north from Little Box Canyon, east of Box Canyon. East side of Mecca Hills, east-northeast of Mecca. 281 Comment
  SEINET10580704  Funastrum hirtellum Unknown 1992-4-4 Sanders 12155 Riverside McCoy Mountains, with 1/2 mi of McCoy Spring 244 Comment
  SEINET7248310  Funastrum hirtellum Duncan S. Bell, LeRoy Gross 2014-1 6273 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  RSA740617  Gaillardia aristata Scott D. White, Justin M. Wood 2008-6-19 12253 Riverside San Jacinto Mountains: USFS Rd (5S08) between Keen Camp Summit and Baldy Mtn. 1524 Comment
  RSA0104489  Galium angustifolium Duncan S. Bell 2015-9-30 8666 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  UCR156079  Galium angustifolium T. B. Salvato, Kent Beaman 2005-5-16 821 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
  CLARK-A1528-7882  Galium angustifolium subsp. angustifolium John C. Roos 1948-5-8 3819 Riverside Whitewater Canyon 548 Comment
  UC520087  Galium angustifolium subsp. angustifolium C. Epling 1932-6-24 Riverside near Idyllwild Comment
  UCSC001310  Galium angustifolium subsp. foliosum Peter Kamb 1947-7-1 553 Riverside Hall Canyon, San Jacinto Mts. 1463 Comment
  JOTR29244  Galium angustifolium subsp. gracillimum La Doux, Tasha 2005-8-8 1524 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Eureka Peak 1676 Comment
  JOTR35440  Galium angustifolium subsp. gracillimum Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 46 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop1) Comment
  RSA161150  Galium angustifolium subsp. gracillimum Peter H. Raven, David Verity 1960-6-5 15496 Riverside Salton View, Joshua Tree National Monument Comment
  RSA503420  Galium aparine J. D. Olmsted 1962-5-10 3622 Riverside Coldwater Canyon, Corona city water supply. 396 Comment
  SDSU12528  Galium aparine Tahirih Linz, M. G. Simpson 2000-4-1 7 Riverside 0 Comment
  JEPS15258  Galium nuttallii subsp. nuttallii L. T. Dempster with R. Bacigalupi and G. T. Robbins 1956-6-21 1019 Riverside grade s Temecula; grade s of Temecula Comment
  UCSB26813  Galium parishii Wilken, Dieter 1969-6-30 Riverside Santa Rosa Springs, Santa Rosa Mtns. 2377 Comment
  RSA543617  Galium porrigens Steve D. Boyd 1991-5-7 6152 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  UCD121905  Galium porrigens var. porrigens A. C. Sanders; P. MacKay, T. Thomas and O. Clarke 1997-5-4 20644 Riverside San Jacinto Mountains: N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740. 1067 Comment
  RSA776845  Galium stellatum var. eremicum Amber Swanson 2011-3-18 231 Riverside Near campsite off Corn Spring Rd in Chuckwalla Mtns 575 Comment
  CLARK-A1528-7747  Garrya flavescens John C. Roos 1950-5-6 4788 Riverside Santa Ana Mountains 1036 Comment
  UCR209592  Garrya flavescens Robert J. Steers, Stan C. Spencer, Matt Willis 2009-6-1 s.n. Riverside San Gorgonio Pass, near 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 Rd. and Sullivan Rd. 675 Comment
  POM261678  Garrya flavescens var. pallida W. Pequegnat 1940-12-14 s.n. Riverside Main Divide Truck Trail, near Pleasant Pk. Santa Ana Mts. 1067 Comment
  POM261680  Garrya flavescens var. pallida W. Pequegnat 1940-12-11 s.n. Riverside Skyline Drive, Santa Ana Mts. 762 Comment
  RSA356629  Gastridium phleoides R. F. Thorne, Tilforth, DeBuhr, Lathrop 1975-8-29 47314 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 610 Comment
  UCR195137  Gayophytum A. C. Sanders, Tim Thomas 2008-8-1 35932 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1448 Comment
  CLARK-A1656-606  Geraea canescens Lois Ann Scott 1977-12-23 Riverside Thousand Palms Oasis 152 Comment
  POM13019  Geraea canescens P. A. Munz 1922-4-14 4967 Riverside Indian Wells 107 Comment
  POM289783  Geraea canescens Lyman Benson 1933-3-31 4193 Riverside Salton Sea-Imperial Co. line. 61 Comment
  POM358669  Geraea canescens Hutchinson 1926-5-1 s.n. Riverside Palm Springs, Riverside County Comment
  SBBG60584  Geraea canescens Mrs. Ashcraft -- Riverside Palm Springs Comment
  UCR2870  Geraea canescens N. J. Matthews 1963-3-10 31063- 3 Riverside Sonoran (Colorado) Desert, Coachella Valley, c. 1 mi north of Cathedral City, just off of Hwy 99 61 Comment
  UC489193  Geranium californicum C. V. Meyer 1928-7-24 515 Riverside above Idyllwild Falls; San Jacinto Mts. 1981 Comment
  RSA70499  Geranium carolinianum F. W. Peirson 1922-4-10 2859 Riverside Murray Canyon, near Palm Springs. 305 Comment
  RSA198939  Geranium dissectum Robert F. Thorne, P. A. Munz, E. W. Lathrop 1968-5-8 37597 Riverside Santa Rosa Plateu: Rancho California 610 Comment
  POM280086  Gilia angelensis Lyman Benson 1932-3-26 3173 Riverside Temecula Valley. 548 Comment
  RSA501034  Gilia angelensis Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3155 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA543771  Gilia angelensis Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6031 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
  UCR101798  Gilia angelensis George K. Helmkamp, E. A. Helmkamp 1997-3-5 1332 Riverside 2.8 mi SE of Gilman Hot Springs 518 Comment
  SD140030  Gilia capitata Scott White 1993-4-22 1226 Riverside North Alberhill Ranch, in hills north of Walker Canyon. 487 Comment
  RSA470272  Gilia capitata subsp. abrotanifolia Jean Carnine 1932-2-28 s.n. Riverside Santa Ana River Comment
  RSA171361  Gilia diegensis J. D. Olmsted 1962-5-3 3518 Riverside Along road from Santa Rosa Indian Reservation to old village, etc. At first canyon crossing to SW side. 1555 Comment
  SD7671  Gilia diegensis 1882-5-3 Riverside Temecula Comment
  UC52478  Gilia diegensis Miss Jessie Nutting 1897-4-7 440 Riverside Winchester Comment
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Mar 20 2011
  UCR130222  Gilia diegensis George K. Helmkamp, E. A. Helmkamp 1998-6-27 4109 Riverside Santa Rosa Mountains., Santa Rosa Mountain Road, 5.8 miles southeast of Calif. Hwy 74 1799 Comment
  RSA0016282  Gilia ochroleuca subsp. exilis Naomi Fraga, Valentine Arvizu, Elizabeth Kempton, Tim Thibault 2006-6-7 1699 Riverside East of Fobes Ranch Road, just south of Fobes Ranch. 1616 Comment
  RSA0016295  Gilia ochroleuca subsp. exilis P. A. Munz, R. D. Harwood 1920-3-20 3681 Riverside Temecula Canyon 244 Comment
  UC23661  Gilia ochroleuca subsp. exilis H. M. Hall Jun, 1901 2060 Riverside exposed s slopes in the vicinity Chalk Hill; San Jacinto Mountains, vicinity Chalk Hill 1524 Comment
  RSA0017101  Gilia ochroleuca subsp. exilis Tamara Joy Hanna 1991-5-19 42 Riverside Off of Coyote Canyon Road (FWD dirt) on a walking trail approx. 3 miles from the gated (back) entrance to the Anza-Borrego State Park via Horse Canyon. Comment
  UCR169308  Gilia splendens T. B. Salvato, John F. Green 2004-5-27 591 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  UCR179203  Gilia splendens Tracy Tennant, J. Ross, G. White 1998-5-21 MOR- 247 Riverside San Bernardino Mtns., Morongo Indian Reservation, Hathaway Canyon, c. 0.55 miles of the junction of the lower and upper canyons 1040 Comment
  JOTR34199  Gilia stellata La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2992 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  RSA0124002  Gilia stellata Duncan S. Bell, Thomas Stoughton 2016-4-13 9248 B Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; on the western slopes of Martinez Mountain. 1548 Comment
  RSA516873  Gilia stellata Steve Boyd, B. Roy, T. S. Elias, Sara Meury, S. Zona 1986-3-5 13511 Riverside Hwy 195, N base of the Orocopia Mts., halfway between I-10 & Box Canyon. Comment
  CAS-BOT-BC282837  Glyceria striata H. M. Hall 1901-6-1 2244 Riverside Dark Canyon, San Jacinto Mountains 1828 Comment
  UC64366  Glycyrrhiza lepidota H. M. Hall 1892-5-27 569 Riverside Rincon Comment
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Jul 22 2010
  RSA583382  Gnaphalium californicum Steve Boyd, Darin Banks 1995-4-5 8432 Riverside Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the eastern edge of the Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary. 579 Comment
  UCR91453  Gnaphalium californicum Scott D. White 1995-3-30 2671 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
  UCR113868  Gnaphalium canescens Mitch Provance 1999-1-1 1040 Riverside City of Riverside, Granitic knoll c. 0.1 miles SW of Victoria Hill (pk 1005), west of the corner of Ivy St. and Victoria Ave. 311 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
  UCR18844  Gnaphalium canescens subsp. beneolens John C. Roos 1947-9-6 3745 Riverside San Jacinto Mtns., Black Mtn. Comment
  UCR91618  Gnaphalium luteoalbum D. L. Banks, Steve Boyd 1995-3-30 0123 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn, west of the Dripping Springs Alcove, east of the Woodchuck Trail. 713 Comment
  RSA556437  Gnaphalium palustre Julie Greene 1993-4-17 1194 Riverside West of Davis Road. 433 Comment
  UC896945  Gnaphalium palustre P. A. Munz 1922-9-6 6375 Riverside Hidden Lake San Jacinto Mts., Hidden Lake 2438 Comment
  UCR275278  Gnaphalium palustre T. B. Salvato, Gregg Miller 2005-6-7 1456 Riverside Peninsular Range, Gavilan Hills, Lindell (Stovepipe) Road north of Snake Road, c. 4.5 miles north-northwest of Lake Elsinore 640 Comment
  UCR172148  Gnaphalium stramineum A. C. Sanders 2006-5-11 32266 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
  UCR252000  Gnaphalium stramineum A. C. Sanders, T. B. Salvato 2014-7-2 41172 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  RSA0112993  Gnaphalium thermale P. A. Munz, I. M. Johnston 1924-7-28 8807 Riverside Pine Flats, San Jacinto Mts. [original label says San Diego Co.] 1738 Comment
  JOTR32484  Grayia spinosa La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 2456 Riverside Joshua Tree National Park. West of Queen Mountain, southern end of Wonderland of Rocks; Wonderland Wash, north of Mill Street Mine parking area. Active wash corridor with sandy bottom and surrounded by granitic outcrops and pediments; with heavy foot traffic (Stop 1) 1297 Comment
  JEPS54091  Guillenia lasiophylla W. L. Jepson 1927-4-12 11657 Riverside ne of Mecca; Painted Canyon 76 Comment
  POM14363  Guillenia lasiophylla P. A. Munz, D. D. Keck 1922-4-9 4805 Riverside Chuckwalla Valley, 10 miles east of Shavers well. 152 Comment
  RSA651181  Guillenia lasiophylla Marion P. Harthill 1973-2-17 1578 Riverside Scissors Crossing, [to?] Palm Springs 731 Comment
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Jun 9 2013
  CLARK-A1528-1096  Gutierrezia bracteata John C. Roos 1940-9-2 222 Riverside Jackrabbit Trail 609 Comment
  RSA192003  Gutierrezia californica H. A. Zuill 1966-6-27 249 Riverside 10 miles SW of Murrieta and 1/2 mile W of Tenaja Gd street Comment
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Mar 28 2013
  UC1213986  Gutierrezia californica Otto T. Solbrig 1958-8-21 2774 Riverside on Hwy 74 18.3 mi e Keen Kamp Comment
  UCR202006  Gutierrezia californica Mike Misenhelter 1998-7-7 s.n. Riverside Peninsular Range; San Jacinto Mtns. Foothills, 35 acre 'Searl Tank' site, foot of the north end of Mica Butte, just SE of the intersection of State St. and Cactus Valley Rd., c. 1 mile south of Hemet 585 Comment
  POM42117  Gutierrezia sarothrae Marcus E. Jones 1900-7-13 s.n. Riverside Elsinore Comment
  POM78959  Gutierrezia sarothrae I. M. Johnston 1925-7-1 s.n. Riverside Along Ontario Road, 3 miles W of Riverside. Comment
  CLARK-A1528-235  Haplopappus squarrosus subsp. grindelioides C. M. Flanagan 1973-6-13 OO 703 Riverside Morongo Indian Reservation 975 Comment
  HSC85268  Harpagonella palmeri Steve Boyd 1986-4-22 1767 Riverside Temescal Canyon: E side of Indian Wash, S of I-15. Comment
  UCR260534  Harpagonella palmeri T. B. Salvato 2014-5-29 8048 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
  UCD132795  Helianthus annuus K. Esau 1935-6-20 s.n. Riverside Beaumont Grade. Comment
  UCR274188  Helianthus annuus T. B. Salvato, Gregg Miller 2005-6-7 1440 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
  UCR90983  Helianthus annuus Scott D. White 1996-3-16 3828 Riverside Perris Basin, Lakeview Mtns, north of Winchester, at 'Maze Stone' Picnic Site 610 Comment
  RSA80649  Helianthus gracilentus E. K. Balls, P. A. Munz 1952-8-19 17926 Riverside El Cariso Camp Ground west of Ortega summit. 777 Comment
  UC354463  Helianthus gracilentus Edmund C. Jaeger 1925-8-1 Riverside near Gregg's Ranch (Banning-Idylwild Rd.) 1127 Comment
  RSA596777  Heliotropium curassavicum D. L. Banks, K. D. Hedge 1996-5-16 1039 Riverside NW Palomar Mountains; Agua Tibia Mountains; N foothills of Dorland Mtn., S of Temecula Creek; 0.4 miles N of Hwy. 79 on the E side of Pauba Road, along a sandy wash. 377 Comment
  UC1063894  Heliotropium curassavicum A. Lewis May 1934 464 Riverside Temecula R. Elsinore Quad., Temecula R. 365 Comment
  UCR21853  Heliotropium curassavicum Steve Boyd 1980-7-16 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, west edge of the reserve c. 1/4 mile north of the Motte's house 520 Comment
  RSA450431  Hemizonia fasciculata J. C. Roos 1965-6-19 s.n. Riverside Skyline Drive, S of Corona Comment
  UCR180106  Hemizonia fasciculata Mitch Provance 2003-4-26 9892 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  UCR182433  Hemizonia kelloggii Mitch Provance 2005-5-17 6551 B Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  UCR235054  Hemizonia kelloggii A. C. Sanders, John F. Green 2012-5-27 40200 Riverside Peninsular Range; Perris-Aguanga Basin Region, Romoland, near SW corner of Valley Substation (on Menifee Rd.), just off Case Rd. 445 Comment
  UCR26534  Hemizonia kelloggii A. C. Sanders, S. Hagopian 1981-5-20 2139 Riverside Perris-Aguanga Basin, S side of Pauba Valley, within l mi of Hwy 71 bridge over the Temecula River 367 Comment
  RSA678262  Hemizonia mohavensis Valerie L. Soza, S. D. Boyd, Neil Gilbert 2000-12-6 1063 -b Riverside Alongside Highway 74, ca. 1 mile west of junction with Highway 243 (Mountain Center). 1311 Comment
  UCR193974  Hemizonia mohavensis A. C. Sanders 2008-7-25 35903 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, NE of Bonita Vista Rd. at foot of hills 1539 Comment
  RSA544295  Hemizonia paniculata Steve Boyd, Timothy S. Ross 1991-6-14 6352 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
  RSA715766  Hemizonia paniculata A. C. Sanders, Guy Bruyea 2003-6-12 26897 Riverside Winchester, SE side of town between Simpson Ave. and Olive Ave., east of Hwy 79/Winchester Rd. 450 Comment
  SEINET1907213  Hemizonia paniculata Mitch Provance, A. Montalvo 2005-1 6702 Riverside Granitie Knolls and Mesas of Riverside: South Riverside (Prenda area), vicinity of the Prenda Arroyo, near the spillway of the Woodcrest Dam. 335 Comment
  UCR66975  Hemizonia pungens subsp. laevis D. E. Bramlet 1990-7-20 2053 Riverside N shoulder of Ramona Expressway, 440 m west of Lakeview & c. 587 m east of San Jacinto River 477 Comment
  UCR68034  Hemizonia pungens subsp. laevis D. E. Bramlet, D. Bradney 1989-6-13 1924 Riverside Domenigoni-Diamond Valley, just east of Gateway Farms. south of Newport Rd. at the intersection of Newport Rd. and Lucas Rd. [site now under water of Diamond Valley Reservoir] 473 Comment
  UCR90763  Hemizonia pungens subsp. laevis D. E. Bramlet 1993-5-16 2356 Riverside 5.7 km west of Hemet, 488 m north of Florida Ave and 1 m west of old Warren Road. the site is found on a parcel between old Warren and Warren Rd., c. 274 north of the intersection of these two roads 456 Comment
  UCR89822  Hemizonia pungens subsp. pungens 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
  RSA377052  Hesperocallis undulata Geo Cantwell 1935-4-8 s.n. Riverside McCoy Springs, McCoy Mnts. [NW of Blythe] Comment
  UCR241929  Hesperocnide tenella A. C. Sanders, John F. Green 2013-3-27 40688 Riverside Peninsular Range, Alberhill, along Lake St. near the old clay mines, 1.16 km south of I-15 Fwy 388 Comment
  CAS-BOT-BC131793  Hesperoyucca whipplei Scott D. White 1996-4-14 3920 Riverside E of Hemet: San Jacinto River Wash near Valle Vista, N of Hwy. 74, ca. 1.7 mi W of USFS Cranston Fire Station 550 Comment
  RSA0075884  Heterotheca grandiflora Julie Greene, S. White 1993-7-5 1400 Riverside San Jacinto Wildlife Area. Lower, flat area, W of dirt road. 441 Comment
  UC31120  Heterotheca sessiliflora subsp. echioides H. M. Hall Aug 1 1901-Aug 10 1901 2607 Riverside Strawberry Valley; San Jacinto Mountains 1615 Comment
  RSA0066125  Heuchera Ralph Hoffmann 1929-9-6 s.n. Riverside San Jacinto Mountains. 2590 Comment
  POM10495  Hieracium albiflorum Charlotte M. Wilder 1909-7-10 980 Riverside Above Strawberry Valley, San Jacinto Mts Comment
  RSA0124124  Hilaria rigida Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8737 Riverside Santa Rosa Mountains; collecting on the Martinez Slide to the north of Toro Canyon, approximately 5.25 air miles east northeast of the summit of Martinez Mountain. 115 Comment
  SDSU2430  Hirschfeldia incana S. J. Barnhart 1966-4-17 660417 -18 Riverside 0.1 east of McAllister St. along the Metropolitan Water Co. Utility Rd. and McAllister St. is 1.5 mi. south east of the intersection of McAllister St. and Victoria Ave. 457 Comment
  CAS-BOT-BC207508  Hoffmannseggia glauca Marcus E. Jones 1929-9-16 24822 Riverside East of Desert Center Comment
  JEPS54861  Hoffmannseggia glauca H. M. Hall 1905-4-20 5829 Riverside Coachella; Colorado Desert Comment
  UCR134637  Hoffmannseggia glauca Nancy K. Cione 2004-5-2 s.n. Riverside Chuckwalla Valley, S of Eagle Mtns, NE of Hayfield Dry Lake, near Red Cloud Road 415 Comment
  SD127582  Hoffmannseggia microphylla David Charlton 1988-2-18 1134 Riverside Alluvial fan south side of Little San Bernardino Mountains, Fargo Canyon Road to Cottonwood Wash, south of Joshua Tree National Park, parallel to I-10, 1 mile east of Jct Dillon Road & Fargo Canyon Road 609 Comment
  SEINET5554662  Hoffmannseggia microphylla T. R. Van Devender, R. K. Van Devender. 1986-1 86 -207 Riverside Cactus City Rest Area Interstate Highway 10 about 23 miles east of Indio. Comment
  UCSB33254  Hoffmannseggia microphylla Miller, Brian 1963-6-1 Riverside Powerline Access Road, 1/2 mile SW of Biskra Palms 24 Comment
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Jun 1 2013
  UCR55321  Holocarpha virgata subsp. elongata L. F. LaPre 1988-7-22 s.n. Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, at the begining of Oak Hill Trail, Nature Conservancy Preserve Comment
  RSA696136  Hordeum depressum A. C. Sanders, Carolyn Washburn 2001-4-17 24040 Riverside San Jacinto Valley: southwest edge of Hemet, north of Stetson Av. midway between Warren Rd. and California Av., east of canal. 457 Comment
  UCR264619  Hordeum depressum Mitch Provance 2011-6-6 17006 Riverside Badlands, San Timoteo Canyon, El Casco area, north of San Timoteo Canyon Rd. and east of Woodhouse Rd 626 Comment
  UCR136257  Hordeum marinum A. C. Sanders 2004-4-20 27564 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
  RSA500089  Hordeum murinum subsp. leporinum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3222 Riverside Vail Lake area, riparian woodland area at N end of Kolb Creek, near campground. 457 Comment
  CLARK-A1528-66  Hordeum stebbinsii C. M. Flanagan 1973-5-12 OO 416 Riverside Morongo Indian Reservation 1158 Comment
  CAS-BOT-BC148557  Horkelia clevelandii Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  CAS-BOT-BC148570  Horkelia clevelandii Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild Comment
  SD136763  Horkelia cuneata var. cuneata Steve Boyd, Tim Ross 1992-5-15 7404 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area; major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 671 Comment
  POM230988  Horsfordia alata Marjorie D. Clary 1932-3-15 173 Riverside Canyons southwest of Coral Reef Ranch, Coachella at base of Santa Rosa Mountains. 152 Comment
  CAS-BOT-BC201091  Hosackia crassifolia Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  RSA314160  Hulsea vestita subsp. callicarpha Walter Wisura 1983-6-25 3913 Riverside Pacific Crest Trail betw. Morris Ranch and Fobes Ranch, San Jacinto Mts. Comment
  SBBG65751  Hulsea vestita subsp. callicarpha R. Hoffmann 1929-9-10 Riverside Tahquitz Pk 2438 Comment
  SEINET480190  Hulsea vestita subsp. callicarpha D. Wilken 1969-6-30 Riverside 1 mile south of Idyllwild, along Riverside County Road R1, San Jacinto Mtns. Comment
  UC897987  Hulsea vestita subsp. callicarpha P. A. Munz 1922-9-7 6405 Riverside above Tamarack Valley; San Jacinto Mountains 3048 Comment
  POM15209  Hymenoclea salsola Mary F. Spencer 1922-4-17 1423 Riverside Mission Canyon. Colorado Desert. 152 Comment
  POM361071  Hymenoclea salsola M. B. Dunkle 1937-3-25 4946 Riverside Colorado Desert. Shaver's Well Comment
  RSA696755  Hymenoclea salsola J. R. Bruff 1922-04 s.n. Riverside Palm Springs. Comment
  SEINET10474740  Hymenoclea salsola Chris Dietrich, Mary Merello; Heidi H. Schmidt 1994-4-12 Dietrich 26 Riverside 9 miles north-northwest of Indio, off Dillon Road 1.9 miles northeast on Berdoo Canyon Road (J241). BLM land. Desert Access Guide Map #17. Along gravelly wash in creosote bush scrub. 380 Comment
  UCR281526  Hypochaeris glabra Mitch Provance, Matt K. Beyers, John Hazlett 2017-3-30 317- 94 Riverside Temescal Valley, S of the 15 Fwy., 0.3 miles W of Hostettler Rd. 384 Comment
  HSC66636  Hyptis emoryi Josephine Jones, Christopher Davidson 1980-4-4 9959 Riverside W end of Orocopia Mtns. S of Oro Peak. Comment
  LA61542  Hyptis emoryi Harlan Lewis; 1935-4-6 sn Riverside Palm Springs 138 Comment
  RSA115037  Hyptis emoryi E. K. Balls, Percy C. Everett, S. Tillett 1955-7-19 20977 Riverside Material Collected on Hwy 74, 15.5 mi NE from PinyonFlat F.S. Campground on road to Palm Springs. 701 Comment
  RSA19548  Hyptis emoryi Roxana S. Ferris, Ruth P. Rossbach 1938-5-16 9570 Riverside Mecca Hills 2 miles up Painted Canyon. Comment
  RSA651634  Hyptis emoryi David B. Dunn, H. Lint 1955-4-1 11843 Riverside Pushawalla Canyon, Indio Hills. Comment
  UC218091  Hyptis emoryi P. A. Munz and D. Keck 1922-4-9 4767 Riverside near Mecca (Shavers Well); Shavers Well 76 Comment
  UC883110  Hyptis emoryi I. W. Clokey 1935-4-17 6866 Riverside Shafer Wells; Colorado Desert; [Shaver's Wells] Comment
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Apr 24 2011
  CAS-BOT-BC311610  Isocoma acradenia var. eremophila Louis C. Wheeler 1931-11-27 375 Riverside 5 mi. SE Mecca, Colorado Desert -60 Comment
  POM359530  Isocoma acradenia var. eremophila L. C. Wheeler 1931-11-27 375 Riverside 5 miles SE Mecca. -61 Comment
  UCR115155  Isocoma menziesii var. vernonioides Mitch Provance 2000-8-24 2221 Riverside Jurupa Mountains, NW Jurupa Mtns; SW of the E extreme of Philadelphia St. 274 Comment
  UCR89246  Isocoma menziesii var. vernonioides Scott D. White 1995-9-22 3682 Riverside San Jacinto Valley, March Air Force Base, west of Plummer St. and south of Cactus Ave., 0.7 mile west of 215 Fwy. 460 Comment
  SD234824  Iva axillaris subsp. robustior R. E. Riefner Jr. 2005-8-28 5 647 Riverside Peninsular Range: SE of Lake Elsinore toward Wildomar Corydon Road at Union Street (Wildomar 7.5'Q) 394 Comment
  UCD51330  Jarava speciosa Fred M. Reed 1920-5-10 4489 Riverside Colorado Desert, Murray Canyon. 426 Comment
  UCR209197  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37145 Riverside Peninsular Range, Box Springs Mtns. Foothills, Riverside, dry arroyo on UCR campus SE of student health center and just north of North Campus Drive 320 Comment
  UCR247518  Juglans hindsii R. E. Riefner Jr. 2012-7-23 12- 322 Riverside city of Hemet, c. 100 yards north of Devonshire Ave. and Meyers St. 473 Comment
  UCR133386  Juncus balticus Tracy Tennant, T. B. Salvato 1998-6-23 495 Riverside San Bernardino Mtns., Morongo Indian Reservation, N end of Hathaway Cyn., c. 0.4 miles east of pk 4265 (polygon 13) 1341 Comment
  UCR96427  Juncus balticus Scott D. White 1996-8-1 4427 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  UCR230597  Juncus bufonius A. C. Sanders, T. B. Salvato 2011-4-1 38960 Riverside Peninsular Range, Lake Elsinore, NE of Baker St. along Temescal Wash, 0.45 km NW of Hwy 74 386 Comment
  UCR156615  Juncus bufonius var. congestus T. B. Salvato, A. C. Sanders 2005-5-17 899 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
  RSA70059  Juncus bufonius var. occidentalis F. W. Peirson 1922-5-19 3019 Riverside Menifee Valley, south of Perris. 457 Comment
  SD255034  Juncus cooperi Duncan S. Bell 2015-8-12 8592 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Orocopia Mountains; southwestern section of the range, collecting at a spring in the southern section of the Dos Palmas area. Temperature at around 120a^z -41 Comment
  UC1922192  Juncus duranii Naomi Fraga, et al. 2006-7-11 1723 Riverside Peninsular Ranges; San Jacinto Mountains region; Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  SBBG57264  Juncus effusus R. Hoffmann 1929-9-7 Riverside San Jacinto Mtns Comment
  JEPS74129  Juncus effusus subsp. austrocalifornicus Carl V. Meyer 1928-7-30 582 Riverside San Jacinto Mts., Saunder's Meadows Comment
  POM259179  Juncus mexicanus Phillip A. Munz 1938-8-13 15325 Riverside Cedar Spring, north base of Santa Rosa Peak. 2287 Comment
  POM14394  Juncus phaeocephalus var. paniculatus Phillip A. Munz 1922-7-6 5999 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  RSA0035989  Juncus phaeocephalus var. paniculatus E. W. Lathrop 1969-5-29 7081 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  JOTR35137  Juncus tiehmii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3248 Riverside Joshua Tree National Park. West of Queen Mountain, Wonderland of Rocks; Active, bouldery wash with sandy bottom and large granite outcrops (Stop 3) 1294 Comment
  POM319679  Juncus torreyi Patricia Wilder 1971-3-20 4893 Riverside Santa Ana River. Santa Ana River Drainage Area. 244 Comment
  RSA352500  Juniperus californica P. J. Remple 1942-3-21 s.n. Riverside Whitewater Canyon. Near head of small canyon. Comment
  UCR1721  Juniperus californica Frank C. Vasek 1963-3-31 630331- 02 Riverside Sonoran (Colorado) Desert, small valley in a canyon just south of highest peak in Coxcomb Mtns. 1067 Comment
  JEPS123661  Justicia californica J. Andre, T. La Doux 2008-3-21 8828 Riverside JOTR Joshua Tree National Park: Upper Cottonwood Canyon approx. 2 miles S of Cottonwood visitor's center. Comment
  JOTR34390  Justicia californica Andre, Jim 2012-4-16 20917 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 3.1 miles north of South Entrance, 4.1 miles north of I-10 788 Comment
  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
  RSA0009770  Kallstroemia californica Marcus E. Jones 1929-9-16 s.n. Riverside East of Desert Center. Comment
  CDA33347  Keckiella antirrhinoides Mike Lahti 2010-5-2 PDR# 1358675 Riverside East Hemet. 0 Comment
  SD187479  Keckiella antirrhinoides Scott D. White, Angelia Carey 2004-4-16 10158 Riverside San Jacinto Mountain Foothills, Indian Creek 548 Comment
  UC454786  Keckiella antirrhinoides J. E. Roadhouse 1905-1 796 Riverside Coldwater Canyon Comment
  RSA592679  Keckiella antirrhinoides subsp. microphylla Scott D. White, Duayne Haselfeld 1996-7-2 4256 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
  UC887173  Keckiella antirrhinoides var. microphylla B. D. Stark 1933-5-13 Riverside 8 mi up Palma to Pines Highway; San Jacinto Mts 1219 Comment
  UCR133703  Keckiella ternata N. C. Cooper 1944-7-15 1581 Riverside Peninsular Range; San Jacinto/Santa Rosa Mtns., Palms to Pines Highway 1372 Comment
  RSA293260  Keckiella ternata subsp. ternata D. C. Michener 1980-6-11 3676 Riverside Thomas Mtns. Semi-open chaparral Pinus transition ca 1.7 mi. along Thomas Mtn road [6S13] from jct with CA 74 near Lake Hemit. 1450 Comment
  UCR266913  Kochia scoparia D. E. Bramlet 2005-7-13 3890 Riverside Perris Aguange Basin Region; San Jacinto Valley, 20 ft. west of Davis Road just south of Marvin Rd., San Jacinto Wildlife Area 434 Comment
  POM162482  Koeleria macrantha Ralph Hoffmann 1929-9-8 s.n. Riverside San Jacinto Mountains 1829 Comment
  UCSB16824  Krameria bicolor Field, L. 1963-5-5 Riverside 5.3 miles south Palm Desert on California Highway 74 Comment
  JOTR16724  Krameria erecta Baker, James K. & Baker, Ilisa T. 1966-6-26 s.n. Riverside Joshua Tree National Park. ROAD TO PROSPECT 1/2 MILE WEST OF SPLIT ROCK 1341 Comment
  JEPS64828  Krameria grayi W. L. Jepson 1901-5-22 1394 Riverside Palm Canyon Mt. San Jacinto (and return to Van Deventer's Ranch); , Palm Canyon Comment
  UC64185  Krameria grayi H. M. Hall May 17 1901-Jun 1 1901 1877 Riverside near Palm Canyon; near Palm Canyon 914 Comment
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Apr 11 2011
  UCR21851  Lactuca serriola Steve Boyd 1980-7-16 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, west edge of the reserve c. 1/4 mile north of the Motte's house 520 Comment
  JEPS69282  Lamarckia aurea W. L. Jepson 1917-5-25 6070 Riverside San Gorgonio Pass 548 Comment
  UCR2507  Lamarckia aurea H. S. Fawcett 1914-4-23 1311 Riverside Riverside, arroyo to the west of the Box Springs Mtns, near sanitarium Comment
  SD45175  Langloisia setosissima subsp. punctata Helen K. Sharsmith 1952-4-8 4053 Riverside Pinto Mountains near Meek Mine and ca. 2.5 miles beyond Mission Well. 579 Comment
  RSA0121060  Langloisia setosissima subsp. setosissima Duncan S. Bell, Thomas Stoughton 2016-3-16 8946 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central/southeastern section of range, approximately 2.5 air miles north of Gucci Spring. 511 Comment
  RSA329549  Larrea tridentata Gary D. Wallace 1966-3-26 266 Riverside Thousand Palm Oasis in the Indio Hills 70 Comment
  RSA390022  Larrea tridentata E. Crow 1929-2-24 181 Riverside Desert Palm. Palm Spring. Colorado Desert Comment
  RSA623985  Larrea tridentata Carol Roush 1963-4-9 6 Riverside 6 mi. south of Palm Canyon Dr. on highway 74; N-E foothills of the San Janito Mts. 457 Comment
  SBBG97170  Larrea tridentata W. L. Halvorson 1977-3-8 77 -73 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  UCD107212  Larrea tridentata R. N. Raynor 1933-3-31 s.n. Riverside Colorado Desert, east of Palm Springs. Comment
  UCSB9622  Larrea tridentata Krogen, Roger 1957-1 Riverside along roadsides 2 mi. N of HWY ,60-70 in Whitewater Canyon Comment
  POM122104  Lastarriaea coriacea Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  SD68952  Lasthenia californica Robert F. Thorne, E. Lathrop, et al 1968-4-18 37443 Riverside Santa Rosa Plateau; Mesa de Colorado. 669 Comment
  POM361562  Lasthenia coronaria Ora M. Clark 1929-2-22 1585 Riverside N. Whitewater. Comment
  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
  SD144036  Lasthenia coronaria A. C. Sanders 1997-3-1 19710 Riverside Box Springs Mtns.: Coyote Hill (Bench Mark Varsity) and ridge S and SE of the UCR Botanic Garden. 427 Comment
  SD255653  Lasthenia coronaria A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41440 Riverside San Gorgonio Pass: San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 miles NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms (White Water 7.5'Q) 427 Comment
  UCR213503  Lasthenia coronaria A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37811 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, under powerlines near dirt extension of Lake St., 1.1 mi. NW (356 deg. ) of intersection of I-15 and Lake St. 549 Comment
  RSA574752  Lasthenia glabrata subsp. coulteri Steve Boyd, A. C. Sanders 1980-5-19 s.n Riverside San Jacinto Valley, of the San Jacinto River floodplain along the Ramona expressway near Lakeview. Comment
  RSA596932  Lasthenia glabrata subsp. coulteri G. R. Ballmer 1996-4-14 s.n. Riverside Lake Elsinore area, S of I 15 along E side of Nichols Rd. Comment
  RSA601924  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1997-3-13 2490 Riverside Nichols Road Wetlands: The site is located approximatley 355m southeast of Nichols Road, 91m west of Collier Ave. and 305 m. west of I-15. The locality is west of the existing dirt road extending south from Nichols rd. and adjacent to Alberhill Creek. 116 Comment
  SD155504  Lasthenia glabrata subsp. coulteri Craig Reiser 2001-4-27 Riverside E side of Mystic Lake and ca. 100 yards W of Gilman Hot Springs Road, N of San Jacinto. Comment
  RSA691954  Lasthenia gracilis Scott D. White, Michael Honer 2003-4-9 8967 Riverside Hemet Area: Northeast corner of Devonshire Ave. and Warren Road, immediately southwest of 'Tres Cerritos.' Former chicken farm. 473 Comment
  RSA695577  Lasthenia gracilis Keith E. Hoffmaster 1936-4-26 712 Riverside Box Springs grade. Comment
  UCR126365  Lasthenia gracilis A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 684 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  POM229452  Lathyrus vestitus subsp. laetiflorus P. A. Munz 1937-5-30 15084 Riverside Northwest slope of Santa Rosa Mountain. 2134 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
  JOTR30961  Layia glandulosa La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1936 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  UC62897  Layia glandulosa H. M. Hall 1897-4-5 Riverside Winchester Comment
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Mar 20 2011
  UCR133982  Layia glandulosa Mitch Provance, J. S. Ross 1998-3-27 MOR- 972 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon at mouth of Corral Canyon, c. 1 mile NW of VABM Mil (Peak 3620) 915 Comment
  RSA92258  Layia platyglossa F. W. Peirson 1922-5-19 3042 Riverside Hemet Valley, San Jacinto Mountains. 1341 Comment
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Dec 16 2012
  UCR27065  Layia platyglossa T. P. Krantz 1982-5-25 s.n. Riverside Peninsular Range; San Jacinto Mtns., Baldy Mountain mesa above the west end of Garner Valley 1585 Comment
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Jan 8 2013
  RSA603794  Layia platyglossa subsp. campestris Palmer Stockwell 1935-5-12 1220 Riverside 2.5 miles N of Elsinore Comment
  UCR847  Layia platyglossa subsp. campestris Leland R. Dykes 1962-4-6 26 Riverside Lake Matthews area; off La Sierra Ave., 5.8 mi from Riverside Freeway Comment
  RSA500133  Lemna minuta Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3677 Riverside Vail Lake area, benches of Arroyo Seco and slopes of adjacent hills to E. 488 Comment
  RSA0094889  Leonotis nepetifolia A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41433 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. 427 Comment
  RSA644633  Lepidium dictyotum var. acutidens Scott D. White 1993-3-12 1143 Riverside San Jacinto Valley: between aqueduct and Warren Road. 457 Comment
  RSA600181  Lepidium fremontii L. C. Wheeler 1959-12-27 7649 Riverside Chuckwalla Mountains. White Cloud Mine. Comment
  UCSB2386  Lepidium fremontii Bobkowski, Vincent 1960-4-2 Riverside 60 yards south of Southern Entrance to Joshua Tree National Monument; off U.S. 60-70 (near intersection of 60-70 with Calif. 195) Comment
  GMDRC3750  Lepidium fremontii var. fremontii J. Andre, T. La Doux 2009-3-1 11247 Riverside Little San Bernardino Mountains: Joshua Tree Natl. Park: south end of the Cottonwood Mtns near Pinkham Wash just N. of aquaduct just inside JTNP boundary, approx 7 mi. W. of S. entrance into park at Cottonwood. USGS 7.5 min. Quad: Cottonwood Basin 33 deg. 40.948' N 115 deg. 52.141' W. Elev. 1778 ft. 542 Comment
  POM14361  Lepidium lasiocarpum P. A. Munz, D. D. Keck 1922-4-9 4806 Riverside Hayfields, Chuckawalla Valley. 152 Comment
  RSA692207  Lepidium lasiocarpum Scott D. White, Michael Honer 2003-5-14 9282 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (= Superior ) Gypsum Mine. 76 Comment
  UCR116598  Lepidium lasiocarpum A. C. Sanders 2001-4-8 23988 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
  UC1971244  Lepidium latifolium Scott D. White 1998-6-28 6801 Riverside CORONA: River Road bridge over the Santa Ana River. USGS 7.5' Corona North quad. Comment
  RSA543880  Lepidium latipes Steve Boyd, Dave Bramlet 1991-5-13 6240 Riverside Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. N of Santa Fe RR tracks, W of San Diego aqueduct. Comment
  UCD115877  Lepidium virginicum R. N. Raynor 1938-6-20 s.n. Riverside Pines to Palms Highway, near Herky Creek. Comment
  UCD115888  Lepidium virginicum subsp. menziesii A. C. Sanders; Mitch Provance, T. B. Salvato 2001-5-7 24158 Riverside Perris-Aguanga Basin Region: S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. E of State St., between Silver Drew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon. 503 Comment
  RSA282777  Lepidium virginicum var. pubescens C. W. Tilforth, B. Busenberg 1980-6-17 2015 Riverside Along Thomas Mtn Rd at 5450 feet, south of Lake Hemet, west of Hwy 74. 1662 Comment
  UCR106731  Lepidium virginicum var. robinsonii John Wear, N. Moorhatch 1996-9-20 s.n. Riverside San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  UCR112593  Lepidium virginicum var. robinsonii Mitch Provance 1998-2-17 77 Riverside Jurupa Mountains, Slopes on the W side of Sierra Blvd, c. 0.7 km NNW of the Jensen Quarry 396 Comment
  UCR1539  Lepidium virginicum var. robinsonii R. L. Irwin 1962-5-8 69 Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, Sycamore Canyon, c. 1.4 mi S on Canyon Crest Dr. from Pennsylvania Ave.; then left on a dirt road c. 0.3 mi; then to right about 0.5 mi to end ofroad; then over hill and up stream about 0.25 mi. 351 Comment
  RSA554634  Lepidospartum squamatum Scott D. White 1992-9-2 767 Riverside San Jacinto Valley: Vicinity of Gilman Hot Spirngs, N side of San Jacinto River, and a thin strip tending N of the river & W of the Hot Springs. 451 Comment
  RSA723303  Leptochloa fusca subsp. uninervia P. M. Peterson, D. R. Peterson 1989-9-22 8123 Riverside San Jacinto, 8.8 km W. of State Hwy 79 on Ramona Expressway towards Lakeview 500 Comment
  UCR89814  Leptochloa uninervia George K. Helmkamp 1994-3-10 42- 16 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
  JOTR16798  Leptodactylon pungens Wanrow, E. 1968-5-20 s.n. Riverside Joshua Tree National Park. EUREKA PEAK 1676 Comment
  POM193461  Leptosiphon lemmonii F. W. Peirson 1929-5-4 8335 Riverside Summit of St John's grade 793 Comment
  UCR231200  Lessingia filaginifolia A. C. Sanders, T. B. Salvato, Kent Beaman 2011-11-3 39931 Riverside Peninsular Range; Santa Ana Mtns., near Sierra Peak on dirt road (Leonard Rd.) from Skyline Drive, c. 1/4 mile east of the Orange Co. line 884 Comment
  SEINET11810766  Lessingia glandulifera var. glandulifera Unknown 1960-1 583 Riverside 4.7 mi E of Anza on road to Santa Rosa Summit 1372 Comment
  RSA703626  Leymus condensatus Scott D. White, Angelia Carey 2004-9-16 10749 Riverside Along Poppet Creek NE of San Jacinto River. Along open sandy dry wash and adjacent roadside. 561 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
  CAS-BOT-BC130877  Lilium parryi Albert M. Vollmer 1950-7-1 s.n. Riverside Stony Creek, San Jacinto Mts. Comment
  UCR189810  Lilium parryi Josh Koepke 2005-8-10 067 Riverside Peninsular Range- San Jacinto Mountains, Northern region of San Jacinto Mts, c. 1 km northeast of Highway 243, in stream above (east) Dark Canyon campground road 1767 Comment
  CDA17992  Limnobium laevigatum J. Chandler 1999-8-23 PDR 1239733 Riverside Outdoor pond at Desert Lawn Cemetary, Desert Lawn Dr., Calimesa, Riverside Co. 0 Comment
  RSA736765  Limonium sinuatum Scott D. White, Lynn Stafford 2007-7-5 11757 Riverside Chino Hills State Park: Santa Ana River floodplain just below Prado Dam. 134 Comment
  JOTR33964  Linanthus bigelovii La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2850 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
  JOTR34072  Linanthus bigelovii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2968 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon on edge of 2009 burn area, north of Lost Horse Mine trail Comment
  UC1563137  Linanthus dianthiflorus Steve Boyd, Tim Ross, Laurel Arnseth 1989-4-1 3182 Riverside Vail Lake area, in hills just to sw of the dam Vail Lake Area 487 Comment
  UCR24233  Linanthus dianthiflorus John C. Roos 1952-4-13 5529 Riverside Box Springs Mtns 488 Comment
  POM65865  Linanthus dianthiflorus subsp. dianthiflorus H. M. Hall 1902-04 2942 Riverside Vicinity of Riverside 366 Comment
  RSA507967  Linanthus dianthiflorus subsp. farinosus Steve Boyd, C. Boyd, Kyle A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2309 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  RSA480008  Linanthus jonesii Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1998-3-10 2135 Riverside N. end Palen Mountains, 2 mi west of Palen Pass, mid-bajada. 91 Comment
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Jun 23 2012
  UCR24932  Linanthus liniflorus subsp. pharnaceoides A. C. Sanders 1980-7-18 1685 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley, near the junction of Thomas Mountain Road and Hwy 74, c. 1 mi SE of the head of Hemet Lake 1345 Comment
  SD231406  Linanthus maculatus J. Mark Porter, Sarah DeGroot 2005-3-9 14246 Riverside East of State Route 62, on paved road between Peirson Blvd. and Indian Ave., north of the Metropolitan Water District Resevior, Morongo Valley. On both sides of the roads. 486 Comment
  UCR128568  Linaria canadensis A. C. Sanders, Mitch Provance 2001-4-5 23918 Riverside Perris-Aguanga Basin region, Long Canyon, Temecula, between gas pipeline route and 'windmill,' south of BM 1221 366 Comment
  UCR123612  Linum usitatissimum T. B. Salvato 1999-5-31 108 Riverside Upper Santa Ana River Basin/San Bernardino Valley, Riverside, residence at 1009 Bascomb Drive 305 Comment
  RSA27518  Linum usitatissimum I. L. Wiggins 1941-3-24 9572 Riverside 0.3 mile south of Myoma, 4.6 miles north of Indio. Comment
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Feb 18 2013
  UCR241010  Lithophragma Tracy Tennant 1998-3-11 204 Riverside North Hills, Domenigoni Valley area, SE of Winchester 694 Comment
  CAS-BOT-BC432281  Lithophragma affine Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 3994 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Sta. 609 Comment
  UCR228925  Loeflingia squarrosa A. C. Sanders 2011-4-6 39007 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  JOTR30672  Loeseliastrum matthewsii La Doux, Tasha, Jim Andre 2008-3-21 141 Riverside Joshua Tree National Park. N. side of paved road to Cottonwood, at Fried Liver Wash crossing 557 Comment
  UC106720  Loeseliastrum matthewsii T. S. Brandegee 1892-5-14 Riverside Whitewater Comment
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Jan 14 2010
  UC880237  Loeseliastrum matthewsii C. L. Hitchcock 1940-3-31 5885 Riverside 1/2 mi. below Cottonwood Spring Comment
  SBBG81482  Loeseliastrum schottii S. A. Junak 1983-3-24 1662 Riverside Pinto Basin Rd, 0.7 mi N of Hwy 10 533 Comment
  CAS-BOT-BC342109  Logfia arizonica Dave Silverman; Onkar Singh 2010-3-25 7843 Riverside Palo Verde Mesa, 1.4 km E of Black Creek Rd, 4.9 km W of McCoy Wash, and 8.8 km N of I-10 151 Comment
  SEINET200238 Image available Logfia arizonica Herbert L. Mason 1952-1 14208 Riverside Palm Canyon near Palm Springs Comment
  SBBG63175  Logfia depressa M. N. Ackley 1928-3-25 223 Riverside between Indio and Palm Springs 60 Comment
  JEPS8394  Logfia filaginoides Rimo Bacigalupi with J. F. MacBride and Ruth D. Sanderson 1952-4-2 3607 Riverside slopes at the mouth Andreas Canyon (an offshoot of Palm Canyon, e base of Mt. San Jacinto); Mt. San Jacinto, Andreas Canyon Comment
  CSUSB458  Lolium perenne subsp. multiflorum Heather Hanson 1966-5-19 Riverside 30 yards from the east entrance to the Life Science building, at University of California, Riverside (UCR) campus in City of Riverside. 304 Comment
  IRVC28529  Lolium rigidum Walter Graves 2002-5-15 502- 22 Riverside grown at U.C.R. in Agricultural Operations Fields Riverside 305 Comment
  UC818811  Lolium temulentum P. A. Munz and I. M. Johnston 1922-5-19 5383 Riverside 8 mi ne Murietta Comment
  UCR176926  Lomatium dissectum Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 58 Riverside San Bernardino Mtns., Morongo Indian Reservation, Hathaway Canyon, tree stand H-05 915 Comment
  JOTR31091  Lomatium mohavense La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2353 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Cobble toe slopes at the base of Ryan Mountain, north end of Lost Horse Hills (Stop 3) Comment
  CLARK-A1528-1447  Lomatium utriculatum John C. Roos 1952-2-29 5365 Riverside Reche Canyon 426 Comment
  POM10335  Lomatium vaginatum Charlotte M. Wilder 1907-05 770 Riverside Jurupa Hills Comment
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Dec 8 2013
  RSA97436  Lomatium vaginatum F. W. Peirson 1922-4-29 2932 Riverside South of Lake Elsinore. 381 Comment
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Dec 8 2013
  CAS-BOT-BC198546  Lotus Ynez Whilton Winblad 1937-2-15 s.n. Riverside Near Palm Springs. Comment
  CSUSB1266  Lotus argophyllus Grace Sprague 1968-5-3 Riverside Whitewater Canyon wash, on drier shelf of wash Comment
  POM157923  Lotus argophyllus var. argophyllus P. A. Munz 1927-5-21 10848 Riverside San Carlos Pass, 2 mi S.E. of Ansa. 1372 Comment
  RSA792747  Lotus argyraeus Robert F. Thorne 1995-3-29 63033 Riverside White Water Canyon. 600 Comment
  UCSC000919  Lotus crassifolius Peter Kamb 1947-6-7 572 Riverside Hall Canyon, San Jacinto Mts. 1646 Comment
  RSA0043379  Lotus crassifolius John F. Emmel 1996-6-16 1411 Riverside San Jacinto Mts.; along Spitler Peak Trail, 0.1-0.2 trail mile west of junction with Pacific Crest Trail. 2072 Comment
  PASA1086  Lotus grandiflorus Frank W. Peirson 1924-7-27 Riverside Dark Canyon, San Jacinto Mts. 1706 Comment
  UCR35032  Lotus grandiflorus L. B. Ziegler 1967-6-21 165 Riverside San Jacinto Mtns, slopes of road cuts along Hwy 74. 1220 Comment
  RSA586095  Lotus hamatus D. L. Banks, S. D. Boyd 1995-4-5 0136 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
  UCR48479  Lotus humistratus Steve Boyd 1986-4-2 1586 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA788868  Lotus nevadensis var. davidsonii Gary D. Wallace 2003-7-8 4034 Riverside Hidden Lake. Comment
  UCR208953  Lotus nevadensis var. nevadensis N. C. Cooper 1944-7-16 1561 Riverside San Jacinto Mtns., above Pine Cove 2073 Comment
  RSA775340  Lotus procumbens var. procumbens Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5021 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010 750 Comment
  JEPS55766  Lotus purshianus var. purshianus Carl V. Meyer 1928-7-30 588 Riverside Saunders Meadow Comment
  UC62934  Lotus purshianus var. purshianus H. M. Hall 1895-6-23 154 Riverside vicinity Riverside Comment
  RSA450112  Lotus rigidus J. C. Roos 1966-2-12 s.n. Riverside Chuckwalla Mtns., 2.5 miles SE of Desert Center Comment
  UC1287105  Lotus rigidus C. L. Hitchcock 1966-3-16 24197 Riverside 10 mi s Palm Desert (along Palm to Pines Hwy) Comment
  SEINET8721510 Image available Lotus rigidus Lewis S. Rose 1938-1 38336 Riverside 15 mi. sw. of Cathedral City. Palms to Pines Highway, San Jacinto Mts. 671 Comment
  SEINET255568 Image available Lotus salsuginosus A. C. Sanders, Seung, Chul Kim, Plant Taxonomy Cla 2005-4-14 29494 Riverside Peninsular Range, Agua Tibia Mountains: UC Emerson Oaks Reserve, ca 8 miles southeast of Temecula, S of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 457 Comment
  UCR72201  Lotus salsuginosus Theo Glenn 1992-3-31 92 11 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 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
  CLARK-A1703-68  Lotus scoparius William Horn, Jr. 1963-3-22 630322#1 Riverside Riverside 365 Comment
  CSUSB1194  Lotus scoparius Annette Price 1962-3-31 003 Riverside Growing along road through Citrus Experiment Station, just past station at the curve in the road, UCR campus, Riverside. Comment
  RSA406911  Lotus scoparius M. B. Dunkle 1933-5-6 3384 Riverside Dry Morongo Creek. Comment
  RSA770294  Lotus scoparius subsp. brevialatus Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4579 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SEINET3559968 Image available Lotus scoparius subsp. brevialatus A. C. Sanders 2006-5-19 32433 Riverside Between Murrieta and Menifee Valley, west of I-215, South of Bundy Canyon/Scott Road, N of Clinton Kieth Rd. 518 Comment
  UCR180694  Lotus scoparius subsp. brevialatus Mitch Provance 2003-4-26 9885 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  UCR22692  Lotus scoparius subsp. brevialatus N. R. Zabriskie, W. W. Zabriskie 1973-4-6 635 Riverside Peninsular Range, San Jacinto Mountains; Sonoran (Colorado) Desert, Mesa SE of Andreas stream in the 1st 0.25-mile opposite and south of junction with 'Norh Canyon', Andreas Canyon; E slope of mountains (Site A-9) 366 Comment
  CSUSB1248  Lotus strigosus Nancy J. Matthews 1963-5-9 50963 1 Riverside 1 mile northwest of Gilman Hot Springs on Highway 79; along roadside. 457 Comment
  RSA503427  Lotus strigosus J. D. Olmsted 1962-5-10 3664 Riverside West of crest between Sandia and DeLuz Creeks along Murrieta to DeLuz Road. 206 Comment
  RSA796333  Lotus strigosus Duncan S. Bell 2009-4-18 201 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
  UC68650  Lotus strigosus H. M. Hall Apr 1905 5830 Riverside Mecca -60 Comment
  UCR169857  Lotus strigosus T. B. Salvato, John F. Green 2004-5-27 589 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  UCR97894  Lotus strigosus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19851 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  UCR16271  Lotus strigosus var. strigosus K. W. Brown 1966-4-7 s.n. Riverside Peninsular Range, Hwy 71, 6.8 mi east of Temecula 366 Comment
  RSA406378  Lotus tomentellus M. B. Dunkle 1935-3-31 4434 Riverside Pinto Basin. 915 Comment
  RSA406380  Lotus tomentellus Robert Gustafson 1978-3-22 836 Riverside Joshua Tree Natl. Monument, about 3 miles north of Hwy. 70 on the road that leads to 29 Palms. 610 Comment
  UC397414  Lupinus albifrons P. A. Munz 1921-4-30 4494 Riverside Pinyon Wells 1219 Comment
  POM266081  Lupinus arizonicus C. L. Hitchcock 1940-4-4 5961 Riverside Pinto Basin. Comment
  POM349942  Lupinus arizonicus J. Jones, Christopher Davidson 1980-4-4 9951 Riverside West end of the Orocopia Mtns. in a small canyon and wash almost due south of Oro peak. 518 Comment
  POM46811  Lupinus arizonicus Mary F. Spencer 1920-3-17 1497 Riverside Whitewater. Comment
  RSA444314  Lupinus arizonicus Walter Wisura 1988-3-1 4183 Riverside Frontage Road, off I-10, near pumping station in Pinkham Wash area. Comment
  RSA749948  Lupinus arizonicus Justin M. Wood 2009-3-26 415 Riverside Thousand Palms, Under Edison powerlines, near intersection of 30th Ave and Via Las Palmas. 61 Comment
  SJSU10788  Lupinus arizonicus R. C. McGehee 1970-4-28 232 Riverside 5 mi S of Cottonwood Pass, Joshua Tree National Monument Comment
  UCR165640  Lupinus arizonicus John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  RSA718299  Lupinus arizonicus Michael Honer, L. Hulse 2004-4-2 1880 Riverside East Wide Canyon; near MWD aqueduct, appx 2 mi. N of Dillon Rd. 488 Comment
  RSA691056  Lupinus bicolor Scott D. White, Michael Honer 2003-4-9 8989 Riverside Gavilan Hills: About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak 2349. 549 Comment
  SEINET3101908  Lupinus bicolor Marc A. Baker, with Michelle Cloud-Hughes 2011-6-12 17378 Riverside Goff Flat, 5.5km SW of Pyramid Peak Comment
  SD73601  Lupinus concinnus Helen V. Witham 1970-4-29 814 Riverside Highway 74, 1.0 mile west of Lake Hemet. 1200 Comment
  SEINET7358736  Lupinus concinnus L. Haines 1937-4-9 s.n. Riverside Pasture one mile west of San Jacinto, California;; 0 Comment
  SEINET10485231  Lupinus densiflorus var. glareosus August J. Breitung 1953-6-12 Breitung 15552 Riverside Santa rosa mts., Hwy 74, san bernardino nat'l forest. Petals lilac to cream. Comment
  OBI40934  Lupinus excubitus Jennifer Lyman 1981-5-24 s.n. Riverside May Valley rd, Idyllwild Comment
  UCD107649  Lupinus excubitus Richard Bates 1949-5-21 s.n. Riverside Pinon Flats, San Jacinto Mountains. Comment
  UCR138142  Lupinus excubitus var. hallii D. L. Banks, V. W. Steinmann 1997-3-13 1444 Riverside NW Palomar Mtns, Agua Tibia Mtns: Redhawk Housing Development, north of the Pechanga Indian Reservation in the hills south of the intersection of Marge Place and Tehachapi Pass (S of Redhawk Parkway) 378 Comment
  POM312162  Lupinus formosus N. C. Cooper 1944-5-20 1313 Riverside Palms to Pines Highway [Hwy 74], San Jacinto Mountains. 1280 Comment
  SD126382  Lupinus formosus D. B. Dunn, Conrad and Kenney 1973-6-15 20769 Riverside At the junction of Highway 74 and 71; a gas station on the southwest corner. 1431 Comment
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May 24 2012
  RSA644186  Lupinus hirsutissimus Scott D. White 1995-8-23 3583 Riverside San Jacinto Valley. San Jacinto Riv., just N of City of San Jacinto boundary, ca. 1 mi SE of bridge at State St. 463 Comment
  UCD107944  Lupinus hirsutissimus R. N. Raynor 1933-3-31 s.n. Riverside San Jacinto Valley. Comment
  UCR41701  Lupinus hirsutissimus George K. Helmkamp 1986-4-7 755 Riverside Sonoran (Colorado) Desert, S of Morongo Valley. First canyon east of and parallel to Hwy 62 north of Indian Ave. 579 Comment
  UCR94943  Lupinus hyacinthinus Scott D. White 1996-8-16 4481 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, SW of Pine Cove & west of Bear Trap Canyon, in watershed above Alvin Meadows, tributary to Toll Road Canyon 1860 Comment
  UCR1038  Lupinus microcarpus var. densiflorus J. E. Dimitman 1957-5-18 s.n. Riverside San Jacinto Valley, along San Jacinto River wash, 3 mi. SE of San Jacinto on Mountain Avenue. 494 Comment
  JOTR35447  Lupinus sparsiflorus Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 51 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop3) Comment
  POM12738  Lupinus sparsiflorus Philip A. Munz 1922-4-29 5097 Riverside Dripping Spring, Temecula Creek. 549 Comment
  UCR261413  Lupinus sparsiflorus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41434 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
  UCR172260  Lupinus succulentus John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, City of Temecula, Immediately N and south of Murrieta Hot Springs Road along San Diego Aqueduct right-of-way 396 Comment
  CLARK-A1656-750  Lupinus truncatus Theo Glenn 1982-3-21 Riverside Snow Creek Comment
  SD133082  Lupinus truncatus Scott White 1991-5-10 91 148 Riverside Highway 79, immediately west of U. S. Forest Service Campground at Dripping Springs. 548 Comment
  SDSU12869  Lupinus truncatus J. Jill Steinberg with Janet Knotts and Kevin Contreras 1998-3-25 22 Riverside Close to river ford in Santa Margarita Gorge directly south of Santa Margarita (SDSU) Field Station trailer. 238 Comment
  UCR241650  Lupinus truncatus T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 360 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  VVC2883  Lupinus truncatus Tim Thomas, P. J. MacKay 2010-4-12 5028 Riverside San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw. 878 Comment
  UCR279523  Lycium andersonii A. C. Sanders, Jim Malusa 2017-3-27 43123 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, canyon 12 km NE (46 deg. ) of Bombay Beach, on both sides of the Imperial County line 305 Comment
  RSA719265  Lycium andersonii Michael Honer, L. Hulse 2004-4-3 1902 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. Peninsular Ranges, San Ysidro Mountains: W side of Otay Mtn; 1.5 km SSE of Savage Dam (Otay Lake); N of County Prison; near tributary to Otay River, N of O'Neal Canyon. 610 Comment
  UCR19491  Lycium brevipes Don Emery 1980-2-12 s.n. Riverside Sonoran (Colorado) Desert, E side of the Salton Sea, near an old playa south of Dos Palmas Spring and north of Ferrum siding Comment
  UC213497  Lycium fremontii L. G. Childs 1921-1-29 Riverside Santa Rosa Mts. Colorado Desert 152 Comment
  UCR111531  Machaeranthera canescens subsp. canescens A. C. Sanders, Steve Boyd, Mitch Provance, J. Ross 1998-10-25 22282 Riverside San Jacinto Mtns., Pine Meadow along Hwy 74 in Garner Valley (eastern), 1 mi. NW of Hwy 371 junction to Anza 1441 Comment
  UCR33764  Machaeranthera cognata J. M. Stewart 1984-2-19 84- 04 Riverside Sonoran (Colorado) Desert, Coachella Valley, base of Indio Hills along powerline road, 3.5 mi. west of Dillon Road 49 Comment
  RSA585872  Madia exigua D. L. Banks, S. D. Boyd 1995-5-9 0357 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, W of the Dripping Springs Alcove, W of Woodchuck Campground. 793 Comment
  CAS-BOT-BC514239  Maianthemum stellatum Edmund C. Jaeger 1921-7-1 s.n. Riverside Tahquitz Valley, San Jacinto Mt., C.F. Baker Herbarium of Pomona College 2194 Comment
  RSA543595  Malacothamnus densiflorus var. densiflorus Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6127 Riverside Gavilan Hills, SE end of range, E of Arroyo del Toro. N-facing slope of low hill. 488 Comment
  RSA586865  Malacothrix clevelandii D. L. Banks, S. D. Boyd 1995-5-3 0284 Riverside NW Palomar Mountains; Agua Tibia Mountains;Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  RSA89040  Malacothrix clevelandii J. C. Roos 1950-4-22 4756 Riverside 0.3 mi NE of summit of Reche Canyon 762 Comment
  OBI8209  Malacothrix glabrata David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-28 12070 Riverside Joshua Tree Natl Monument, along Pinto Basin Rd 11 mi S of N park boundary Comment
  RSA517926  Malacothrix glabrata Steve Boyd, B. Roy, Thomas S. Elias, Sara Meury, S. Zona 1986-3-5 1354 Riverside Hwy 195, N base of the Orocopia Mts., halfway between I-10 & Box Canyon. Comment
  RSA774497  Malacothrix glabrata Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4418 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  UC63261  Malacothrix glabrata H. M. Hall 1904-5-26 4968 Riverside vicinity Riverside; Jurupa Hills 304 Comment
  LA62898  Malosma laurina Harlan Lewis; 1940-7-18 sn Riverside roadside, US 395, 5 mi W of Temecula Comment
  RSA0034091  Malva parviflora Duncan S. Bell 2013-1-30 4450 Riverside The Mecca Hills; collecting beside the Coachella Canal and the powerlines at the base of the mountains in narrow desiccating depressions where winter rains had collected. 23 Comment
  SD122923  Malvella leprosa Steve Boyd 1985-8-7 1120 Riverside Murrieta area, Clinton Keith Road, just east of the Bear Creek development golf course 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
  RSA541823  Mammillaria tetrancistra H. G. Rush 1948-4-16 s.n. Riverside 2 miles north of Whitewater, east of Hwy 66. Comment
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Jan 14 2010
  RSA346380  Marah macrocarpa F. R. Fosberg 1930-3-9 1536 Riverside Mission Canyon Comment
  UCR92444  Marah macrocarpa A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18099 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  JEPS46238  Marina parryi H. M. Hall 1905-4-22 5846 Riverside Canyon Spring Colorado Desert Comment
  UCR237636  Marina parryi Duncan S. Bell, Amanda Turek 2010-4-10 791 Riverside Riverside Mountains, southern section of the mountain range, c. 1 air mi southwest of Riverside Mountain Peak 269 Comment
  UCR72199  Marina parryi Theo Glenn 1991-5-20 91- 99 Riverside Sonoran (Colorado) Desert, Arica Mts, SW of Rice 320 Comment
  UCD170850  Marina parryi John Wear 1995-3-22 s.n. Riverside Colorado Desert: Wash along Eagle Mountain Road, N of I-10 near Desert Center. Comment
  RSA191442  Marsilea vestita E. W. Lathrop, Thorne 1967-9-26 6631 Riverside 6 miles NW of Murrieta. Comment
  UC163358  Marsilea vestita subsp. vestita Dr. Pringle Riverside west Riverside Riverside Comment
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Sep 8 2011
  UC865632  Medicago lupulina Crawford and Johnston 1917-6-9 1234 Riverside near Corona; Santa Ana River Comment
  OBI37484  Medicago polymorpha Steve Boyd 1985-7-23 1008 Riverside De Luz Rd, 7 mi W of Rancho California 366 Comment
  UCR41372  Melica frutescens N. M. Fellows, A. C. Sanders 1985-5-7 186 Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  RSA528073  Melica imperfecta Scott D. White 1991-4-10 91 -47 Riverside Diamond Valley area, ca. 1/2 mi. E of Mica Butte, & S of Cactus Valley Road. 610 Comment
  UC149807  Melica imperfecta H. M. Hall 1902-4-26 2974 Riverside vicinity Riverside (Box Springs Mt.); Box Springs Mt. 685 Comment
  UC618994  Melica imperfecta A. Lewis 1934-3-1 325 Riverside Bedford Canyon; Cleveland National Forest, Corona Quad. 762 Comment
  UCR155327  Melica imperfecta A. C. Sanders, Mike Misenhelter 2005-3-23 29259 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  POM14434  Melica imperfecta var. flexuosa P. A. Munz, Johnston 1922-5-21 5500 Riverside Hemet Valley. 2 miles below Kenworthy, San Jacinto Mts 1402 Comment
  POM348169  Melilotus albus E. Crow 1929-2-22 168 Riverside Border of Santa Ana Mts. S of Corona Comment
  UCR9547  Menodora scabra var. glabrescens Bonner Blong 1966-5-13 s.n. Riverside Santa Rosa Mtns, Martinez Canyon, below upper cabin on bench on south side of canyon 884 Comment
  POM48876  Mentha spicata P. A. Munz, I. M. Johnston 1924-7-26 8709 Riverside In San Jacinto Mountains, ca. 7 miles S of Banning. 1067 Comment
  UC56511  Mentzelia affinis H. M. Hall may 1901 Riverside West Riverside Comment
  RSA719042  Mentzelia affinis Michael Honer 2005-3-11 2058 Riverside Rice Valley; 4.5 mi. SSE of Rice; 1.5 mi. E of ATSF railway. 220 Comment
  JOTR30971  Mentzelia albicaulis La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1945 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  JOTR35486  Mentzelia albicaulis La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3174 Riverside Joshua Tree National Park. Little San Bernardino Mtns, below Lower Covington Flats, W of Smithwater Canyon,(Biodiversity Hunt stop1) 1341 Comment
  LA210637  Mentzelia albicaulis Elizabeth Levine; 1949-5-22 s.n. Riverside At the Hurkey Creek Camp Grounds. Comment
  POM306693  Mentzelia involucrata Henry J. Ramsey, Henry J. Ramsey 1938-4-26 1689 Riverside Near Desert Center-Indio. Comment
  RSA0014463  Mentzelia involucrata Justin M. Wood, J. Miner 2010-4-29 1537 Riverside Coachella Valley: Bermuda Dunes. Near intersection of Avenue 38 and Varner Rd. 37 Comment
  RSA692200  Mentzelia involucrata Scott D. White, Michael Honer 2003-5-14 9301 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  RSA747985  Mentzelia involucrata Scott D. White, Justin M. Wood 2009-4-29 12620 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  RSA750541  Mentzelia involucrata Scott D. White, Justin M. Wood, Paul Kielhold 2009-4-21 12591 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
  UCR196363  Mentzelia involucrata Naomi Fraga, Lisa Rojas 2005-2-10 1358 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  UCR50920  Mentzelia involucrata A. C. Sanders 1988-5-11 7796 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal, east of the gasline road from Niland 549 Comment
  LA209014  Micranthes californica Harlan Lewis; 1937-3-19 Riverside Reche Canyon 487 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
  POM15164  Microseris lindleyi Mary F. Spencer 1922-4-23 160 Riverside Maillard Canyon, prope [near] Banning. 701 Comment
  UCR228845  Microseris lindleyi A. C. Sanders, Nathan Moorhatch 2011-3-22 38788 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland in Menifee Valley, powerline route along McLaughlin Rd. east of Trumble Rd. and west of Antelope Rd. 440 Comment
  RSA0018770  Mimetanthe pilosa Philip A. Munz 1938-8-14 15355 Riverside Virgin Spring, Santa Rosa Peak. 2287 Comment
  POM83  Mimulus aurantiacus var. puniceus H. M. Hall 1902-4-21 2928 Riverside Vicinity of Riverside, Gavilan hills. 457 Comment
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Aug 19 2010
  UC943853  Mimulus aurantiacus var. puniceus H. E. McMinn, M. Van Rensselaer 1945-6-7 1900 A Riverside Temecula Grade Comment
  UCR174330  Mimulus aurantiacus var. puniceus A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32565 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
  JOTR33997  Mimulus bigelovii var. bigelovii La Doux, Tasha, M. Harding 2010-4-7 2885 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  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
  UCR157952  Mimulus brevipes T. B. Salvato, A. C. Sanders 2005-5-17 931 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
  RSA156031  Mimulus clevelandii Peter H. Raven 1962-5-18 17759 Riverside [Santa Ana Mountains] Main Divide truck trail 2.9 miles south of Santiago Peak. 1235 Comment
  UCR114831  Mimulus floribundus Mitch Provance 1998-4-21 1113 Riverside Jurupa Mountains, Glen Avon Hts., Boulder Hill Park, 0.7 km west of Pyrite St. on the north side of Granite Hill Dr. 305 Comment
  JEPS19714  Mimulus fremontii var. fremontii Peter H. Raven with R. Snow 1957-7-26 11121 Riverside 1.8 mi above Lake Fulmor; San Jacinto Mountains Comment
  RSA496468  Mimulus fremontii var. fremontii Steve Boyd, Tim S. Ross, L. Arnseth 1989-3-31 3084 Riverside Vail Lake area, S of Hwy 79, Kolb Creek drainage, W of Woodchuck Rd. Comment
  LA209398  Mimulus guttatus Norman C. Cooper; 1944-5-6 1211 Riverside San Bernardino Mountains, Whitewater Canyon 457 Comment
  SBBG47461  Mimulus guttatus N. C. Cooper 1944-6-17 1415 Riverside above Banning 1219 Comment
  UCR156100  Mimulus guttatus T. B. Salvato, Kent Beaman 2005-5-16 847 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
  UCR167834  Mimulus guttatus T. B. Salvato, Melissa Clemons 2005-6-23 1307 Riverside Peninsular Range; Temescal Valley, Walker Canyon, 1.5 mi due east of Alberhill, N of Hwy I-15 412 Comment
  RSA0035443  Mimulus guttatus Mary Duke, Christy Hightower, Cecilia McElroy 1982-5-15 19 Riverside CA Hwy 74, just off highway E of Elsinore, 1 mi. W of Hwy 15. Comment
  UC922770  Mimulus nasutus Annie M. Alexander and Louise Kellogg 1940-3-21 885 Riverside 20 mi s Twenty Nine Palms (at base of Barker Dam); Mohave Desert 1322 Comment
  RSA544419  Mimulus pilosus Steve Boyd, Tim S. Ross 1991-6-14 6387 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
  RSA564286  Mimulus pilosus Jack Easton 1993-5-27 s.n. Riverside Murietta Oaks, 3.0 miles (airline) NW of Murrieta Hot Springs. W side of Highway 215. 451 Comment
  CSUSB898  Mimulus puniceus Stan R. Szarek 1971-3-26 Riverside Elsinore. Collected alongside Highway 74, 5.1 miles from Riverside-Orange County line. Comment
  RSA795504  Mimulus puniceus C. P. Cowan 1978-4-25 1282 Riverside 6.7 (10.7 km) miles SW on 74 from jct. with 71, 4.6 (7.3 km) miles from Lake Elsinore, Santa Ana Mountains, Cleveland National Forest. Whittaker transect #W-229. Comment
  UCR97267  Mirabilis californica Scott D. White 1995-4-5 2746 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  SEINET6627584  Mirabilis laevis Scott D. White 2001-4-3 8227 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 396 Comment
  UCR120587  Mirabilis laevis Steven R. Hill 2001-5-3 33683 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 3.8 mi west of Calif. Hwy 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area 793 Comment
  UCR132705  Mirabilis laevis A. C. Sanders, T. B. Salvato 2004-2-16 27390 Riverside Santa Ana Mtns., foothills at edge of Temescal Valley, summit of ridge proposed for removal at development called 'Trilogy at Glen Ivy,' south of Brown Canyon 451 Comment
  UCR194238  Mirabilis laevis var. crassifolia Mitch Provance, Michael L. Fugate 2005-4-14 10055 Riverside San Bernardino Valley, near the water tanks just E of Versity Hill, or what is known locally as Coyote Hill (pk 1386), a few hundred yards SSE of the UCR Campus 396 Comment
  RSA28054  Mirabilis laevis var. retrorsa I. L. Wiggins 1941-3-27 9696 Riverside 4 mi. north of Whitewater. Comment
  SEINET3142118  Mirabilis laevis var. retrorsa H. M. Hall 5798 Riverside Colorado Desert; 10 mi west of Coachella 91 Comment
  POM99006  Mirabilis laevis var. retrorsa E. C. Jaeger 1926-4-24 s.n. Riverside White Tanks, Pinto Mts. Comment
  RSA0112094  Mirabilis laevis var. villosa Duncan S. Bell 2010-2-20 541 Riverside Arica Mountains; collecting in drainage in the southeast section of range, approx. 0.75 air mile west of Priest Well. 336 Comment
  RSA554020  Mirabilis laevis var. villosa A. C. Sanders, E. J. Lawlor 1992-4-4 12126 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  SD124695  Mirabilis laevis var. villosa A. C. Sanders, Pitzer, et al. 1986-3-3 6105 Riverside Corn Spring, Chuckwalla Mountains, wash below the spring and wash and rocky slopes to the south. 487 Comment
  CAS-BOT-BC229624  Mirabilis tenuiloba S. B. Parish 1907-4-18 6071 Riverside West Canon [Canyon], W edge of the Colorado desert 200 Comment
  RSA0104947  Mirabilis tenuiloba Duncan S. Bell, Evan Meyer 2014-10-29 7675 Riverside Santa Rosa Mountains; around the mouth of Martinez Canyon, about 3.5 air miles southwest of Valerie. 169 Comment
  JEPS9870  Mohavea confertiflora W. L. Jepson 1927-4-12 11661 Riverside Colorado Desert, Mecca Hills, Painted Canyon Painted Canyon; Colorado Desert, Mecca Hills, Painted Canyon 76 Comment
  RSA697845  Monardella australis J. R. Bruff 1934-7-5 s.n. Riverside San Jacinto Mts. 2591 Comment
  UC1995359  Monardella australis subsp. australis Elizabeth McClintock 1939-9-1 Riverside trail to Round Valley; San Jacinto Mts. Comment
  UC519759  Monardella breweri subsp. lanceolata C. Epling 1932-6-26 Riverside Jurupa Hills Comment
  UCR112806  Monardella breweri subsp. lanceolata A. C. Sanders 1997-5-1 20620 Riverside Lake Skinner area, Rawson Canyon c. 1 mi. due west of summit of Black Mountain, along dirt road to Crown Valley 549 Comment
  UCR80033  Monardella lanceolata Chet McGaugh, S. J. Myers 1992-8-20 92- 4 Riverside Peninsular Range, foot of hills at SW end of Domenigoni Valley, c. 0.25 mi. east of San Diego Creek Canal 488 Comment
  RSA401571A  Monardella lanceolata var. lanceolata Albert J. Perkins 1916-9-20 s.n. Riverside Tahquitz Valley. Comment
  UC1995336  Monardella linoides subsp. linoides C. Epling 1937-6-10 Riverside 1 mi below Nightingale (Pines-to-Palms Highway) Comment
  UCR237946  Monardella linoides subsp. linoides Mark A. Elvin 2004-6-2 3497 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley, east of Hwy 74 between Fobes Ranch Rd. and Morris Ranch Rd. at base of foothills 1402 Comment
  RSA761895  Monardella nana Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 708 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UC1499861  Monardella nana Elizabeth McClintock 1940-5-19 9 Riverside 2 1/4 miles off Pines to Palms Highway, on road to Santa Rosa Mt. Comment
  RSA750275  Monardella nana subsp. arida Elizabeth McClintock, H. Lewis 1941-6-29 75 Riverside Santa Rosa Mt. 4.5 miles above Pines to Palms Hwy, in canyon where stream crosses road. Comment
  UCR135712  Monardella nana subsp. arida Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9011 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 Comment
  UCR221491  Monardella nana subsp. arida Elizabeth McClintock, Harlan Lewis 1941-6-29 80 Riverside Peninsular Range; Santa Rosa Mtns., road up Santa Rosa Mountain, 5.5 miles beyond canyon where stream crosses road 2378 Comment
  CLARK-A1528-1334  Monardella nana subsp. tenuiflora Frank C. Vasek 1979-7-26 77907260- 2 a Riverside Santa Rosa Mountains Comment
  UC1499809  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-15 114 Riverside w Domengonio Flats (on slope s of Strawberry Creek); San Jacinto Mts. Comment
  UCR125894  Monardella robisonii A. C. Sanders, Mark Elvin 2001-8-17 24593 Riverside Mojave Desert, Little San Bernardino Mtns, trail from Key's View to Inspiration Point, Joshua Tree National Park 1646 Comment
  UC1069983  Monoptilon bellioides H. S. Yates 1937-3-23 6422 Riverside 5 mi nw Edom; Thermal Quadrangle Comment
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Dec 16 2011
  UCR2783  Muhlenbergia asperifolia F. M. Reed 1907-10-20 1982 Riverside Riverside. Spring Brook above Fairmont Park. Comment
  CAS-BOT-BC275296  Muhlenbergia microsperma Roxana S. Ferris; Rimo Bacigalupi 1958-3-19 13241 Riverside In wash rrising in Big Maria Mountains, Highway US 95, 11.3 miles N of Blythe Comment
  RSA613274  Muhlenbergia microsperma L. C. Wheeler 1976-3-30 s.n. Riverside San Jacinto Mountains: Snow Canyon, foot of Mount San Jacinto. 579 Comment
  UCR2587  Muhlenbergia microsperma Mrs. Barton 1908-1 s.n. Riverside Rubidoux Mtn, Riverside Comment
  UC39893  Muhlenbergia richardsonis H. M. Hall Jul 1 1901-Aug 1 1901 2477 Riverside Tamarack Valley San Jacinto Mountains 2804 Comment
  UCR116930  Muilla maritima A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24213 Riverside Perris-Aguanga Basin region, Hemet, SE of intersection of State Street and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley, 1 mi. SSW of Hemet Butte 513 Comment
  SD146221  Myoporum laetum Mitch Provance 1998-6-6 690 Riverside Jurupa Mountains: Jensen Quarry, Sunnyside area on west side of Sierra Blvd, just east of corner of 29th St. and Scenic Drive. 305 Comment
  RSA550483  Myosurus minimus subsp. apus D. E. Bramlet 1992-4-29 2255 Riverside The site is approximately 8 km southwest of Hemet. The vernal pools are located northwest of the intersection California Ave. and Stowe Rd. The pools are located some 5-500 ft. N of Stowe Road and some 20-700 ft west of California Ave. 456 Comment
  UC217890  Myosurus minimus subsp. apus P. A. Munz 1922-4-29 5061 Riverside 3 mi s Elsinore 381 Comment
  SEINET3099344 Image available Myriophyllum spicatum G. Rink, M. Baker, T. Thomas. M. Honer, A. Karl 2010-10-2 10333 a Riverside Private. Canal two miles north of Blythe. 70 Comment
  SBBG45292  Myriopteris parryi S. B. Parish -Mar-1882 Riverside Agua Caliente [Palm Springs] Comment
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Jul 12 2010
  RSA74713  Nama demissa var. deserti F. W. Peirson 1920-2-15 2315 Riverside Palm Springs, Tahquitz Camp. Comment
  RSA45513  Nama hispida var. spathulata J. C. Roos 1949-4-9 4203 Riverside 3 mi. N.E. of Desert Center. Comment
  UCR279386  Nama hispida var. spathulata A. C. Sanders, Jim Malusa 2017-3-24 42957 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  RSA750553  Nassella cernua Scott D. White, Justin M. Wood 2009-5-21 13877 Riverside Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). 1372 Comment
  CAS-BOT-BC259971  Nassella lepida Steve Boyd 1986-5-7 1828 Riverside Alberhill Mountain: Lower slopes of S flank, just E of claymine area Comment
  SBBG54314  Nassella pulchra C. Davidson 1977-5-25 5649 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
  RSA0120304  Nasturtium officinale Duncan S. Bell 2016-4-16 9306 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  SEINET238934  Navarretia atractyloides A. C. Sanders, T. B. Salvato 2000-5-25 23425 Riverside Menifee Valley: S of Newport Rd. 2 miles due east of railroad Canyon Lake (Romoland 7.5' Q.) 439 Comment
  UCR17617  Navarretia hamata O. F. Clarke, J. M. Harper, Helen Leach 1966-5-27 s.n. Riverside Santa Ana River bottom below the city sewage treatment plant Comment
  RSA777398  Nemacladus glanduliferus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 786 Riverside Mecca Hills, just south of Shaver's Well. 305 Comment
  UC29161  Nemacladus longiflorus var. longiflorus H. M. Hall Jun 1901 2047 Riverside vicinity Chalk Hill; San Jacinto Mountains 1524 Comment
  UCR48526  Nemacladus longiflorus var. longiflorus Steve Boyd 1986-4-19 1700 Riverside Peninsular Range, Temescal Canyon, east side of Indian wash between I-15 and Temescal Canyon Road 351 Comment
  RSA776292  Nemacladus orientalis Duncan S. Bell, Amanda Turek 2010-4-10 833 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine and Calzona Mine; approximately 3.8 air miles west of the Colorado River; approximately 2 air miles northeast of Riverside Mountain Peak. 198 Comment
  RSA543854  Nemacladus ramosissimus Steve Boyd, Orlando Mistretta 1991-5-22 6310 B Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  RSA0006294  Nemacladus rubescens var. tenuis H. M. Hall 1905-4-17 5819 Riverside Eastern Base of Indio Mtn. Colorado Desert. 150 Comment
  UCR18415  Nemacladus sigmoideus A. C. Sanders 1978-4-30 00254 Riverside Peninsular Range; Santa Rosa Mtns, Cactus Spring Trail, first large wash east of Horse Thief Creek, probably very near Cactus Spring 1311 Comment
  RSA717582  Nemophila menziesii var. menziesii A. C. Sanders 2004-4-9 27462 Riverside San Jacinto Valley: Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks. 488 Comment
  UCR135994  Nemophila menziesii var. menziesii Virginia Moran 2003-3-26 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and west of Wilson Creek 915 Comment
  RSA511361  Nemophila pedunculata B. Pitzer, E. Misquez 1988-3-20 666 Riverside Cleveland National Forest, San Juan Loop Trail, ca. 4 mi. W of El Cariso Village, just across the hwy from Ortega Parks Store. 549 Comment
  UC489083  Nicotiana attenuata C. V. Meyer 1928-7-26 523 Riverside 0.5 mi e Dutch Flat; San Jacinto Mts. 1828 Comment
  CLARK-A1528-4354  Nicotiana clevelandii H. A. Zuill 1966-7-1 Riverside Lake Elsinore Comment
  UCR224996  Nicotiana clevelandii Dave Silverman, Onkar Singh 2010-3-27 7861 Riverside Sonoran (Colorado) Desert, McCoy Wash, N of Palo Verde Mesa, 4.8 km WSW of Mesaville siding, W of A Canal/Levee Blvd, & c. 6 km N of Blythe Airport 131 Comment
  UC64780  Nicotiana clevelandii Charlotte M. Wilder 1904-5-11 174 Riverside Miller's Fork, Santa Ana River Santa Ana River (West Riverside) Comment
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Sep 5 2011
  UC2015641  Nicotiana glauca Scott D. White 1996-2-18 3805 Riverside Parris Basin, W Riverside Co. Double Butte, NW of Winchester. SE-facing slope of W. butte. Comment
  RSA426699  Nicotiana glauca N. C. Cooper 1942-4-17 573 Riverside Palm Springs. Comment
  JOTR30073  Nicotiana obtusifolia La Doux, Tasha, Bill Truesdell 2006-10-3 1716 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 Comment
  RSA172322  Nicotiana obtusifolia Robert F. Thorne 1963-3-29 32386 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
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Dec 13 2011
  UCR41350  Nicotiana obtusifolia N. M. Fellows, A. C. Sanders 1985-5-7 162 Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  UCR261151  Nicotiana quadrivalvis A. C. Sanders, Jeff Crain 2015-5-20 41742 Riverside Temesal Canyon, Temescal Creek at I-15 bridge, 2.2 km west of Lake St. at Alberhill 363 Comment
  CAS-BOT-BC131885  Nolina parryi Philip A. Munz; P. C. Everett 1950-6-23 14910 Riverside 2 mi. n.w. of Pipe Creek, Hemet Valley, San Jacinto Mts. 1402 Comment
  RSA643656  Nolina parryi James C. Dice 1985-6-13 617 Riverside southeast portion of Thomas Mountain, ca. 4 km south of Kenworthy Station and community of Thomas Mtn. 1525 Comment
  CAS-BOT-BC71164  Notholaena californica W. G. Wright 1890-1-1 s.n. Riverside Agua Caliente, desert slope of San Jacinto Mt. Comment
  UCSB38665  Notholaena californica Cowan, Clark 1978-4-23 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon 570 Comment
  UCD106786  Oenothera californica R. N. Raynor 1938-6-20 s.n. Riverside Coahuila. Comment
  RSA18955  Oenothera californica subsp. californica Roxana S. Ferris, Ruth P. Rossbach 1938-5-20 9666 Riverside Between Riverside and Ontario. Comment
  RSA144622  Oenothera primiveris subsp. bufonis William M. Klein, David P. Gregory 1958-2-14 146 Riverside Along U.S. hwy 60-70 on Palo Verde Mesa, west of Blythe. Comment
  RSA53907  Oenothera primiveris subsp. bufonis D. F. Howe 1949-3-21 s.n. Riverside 3 miles west of Blythe. Comment
  SEINET7909439  Oenothera scapoidea P. L. Packard 1976-1 Riverside 6 mi W of Blythe, Interstate 10 Comment
  RSA605206  Oligomeris linifolia A. C. Sanders, G. K. Helmkamp, P. Mackay 1995-3-12 16026 Riverside Sonoran (Colorado) Desert Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111). -7 Comment
  SEINET7259110 Image available Oligomeris linifolia Noel H. Holmgren, Patricia K. Holmgren, Ruth E. Kern 1973-1 6417 Riverside Big Maria Mountains, 12 airline miles north of downtown Blythe 290 Comment
  CAS-BOT-BC227102  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
  SD212504  Oncosiphon piluliferum A. C. Sanders, T. B. Salvato et al 2006-5-24 32540 Riverside Hills between Murrieta and Menifee Valley, West of I-215, South of Bundy Canyon/Scott Road and North of Clinton Keith Road. 548 Comment
  SEINET241485  Oncosiphon piluliferum A. C. Sanders, Mitch Provance 2001-5-8 24210 Riverside Perris-Aguanga region: Moreno Valley, along I-215 just S of March Field Museum, 0.7 mi. S of Van Buren Blvd. 465 Comment
  SD229119  Opuntia basilaris var. basilaris Dick Schwenkmeyer 2012-5-22 726 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  RSA311497  Opuntia engelmannii Lyman Benson 1963-6-20 16350 Riverside Wash at Cabazon. 488 Comment
  UCR94060  Opuntia phaeacantha Scott D. White, D. Haselfeld 1996-6-2 4267 Riverside San Jacinto / Santa Rosa Mtns, Pinyon Flat area, north of Hwy 74, c. 10 road mi. east of junction with Hwy 371. W-facing slope of Sugarloaf Mtn and adjacent valley. 1402 Comment
  CAS-BOT-BC56231  Opuntia polyacantha var. erinacea C. B. Wolf; P. C. Everett 1938-9-29 9460 Riverside Field redacted by CAS, contact the data manager for more information 1219 Comment
  UCR118178  Orcuttia californica Jack Easton, J. E. Harrison 2001-9-8 s.n. Riverside Perris-Aguanga Basin region, Menifee, immediately NE of intersection of Menifee and Scott Roads. Paloma Valley c. 1.1 mi. south of Bell Mountain 453 Comment
  UCSB6226  Orobanche californica subsp. feudgei Ralph, F. 1959-5-17 Riverside Pines to Palms Hwy. (74), about 6.7 miles west of Pinon Flats Campground, San Jacinto Mtns. 1371 Comment
  CHSC1168  Orobanche cooperi V. Holt 1942-3-27 Riverside Indio. 0 Comment
  UC665777  Orobanche cooperi Ira L. Wiggins 1941-3-24 9589 Riverside 1 mi n of Imperial County Line (on e side of Salton Sea); Salton Sea Comment
  RSA602272  Orobanche cooperi Louis C. Wheeler 1952-4-5 6848 Riverside Mecca: Box Canyon Road at canal. Comment
  RSA0084356  Orobanche cooperi subsp. cooperi Edmund C. Jaeger 1922-3-4 1108 Riverside Painted Canyon, near Mecca. Comment
  UCR124636  Oryzopsis hymenoides B. C. Templeton, I. W. Clokey 1930-4-9 1018 Riverside Sonoran (Colorado) Desert, North of Palm Springs 400 Comment
  POM351404  Osmadenia tenella E. Crow 1929-4-21 347 Riverside North of Alberhill Comment
  UC1608240  Osmadenia tenella Steve Boyd, Tim Ross 1992-5-4 7182 Riverside e of Verdugo Potrero; Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar Comment
  RSA553952  Oxytheca emarginata G. R. Ballmer 1991-6-22 s.n. Riverside SE end of Garner Valley, on Pacific Crest trail, 2-3 miles N of jct. with Hwy 74; in vicinity of Bull Canyon Comment
  UC597638  Oxytheca trilobata Philip A. Munz 1937-5-31 15117 Riverside below Anza Tablet (at head of Coyote Canyon, sw Riverside County); Coyote Canyon 1005 Comment
  RSA535468  Paeonia californica Steve Boyd, Orlando Mistretta, Tim Ross 1992-2-2 6660 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Upper San Mateo Canyon between confluence of Tenaja Canyon and Los Alamos Canyon. Comment
  UC1287050  Paeonia californica C. L. Hitchcock 1966-3-15 24165 Riverside about 10 mi ne Temecula Comment
  POM15081  Palafoxia arida var. arida Mary F. Spencer 222 Riverside Mecca, Colorado Desert. -49 Comment
  POM320356  Palafoxia arida var. arida Virginia Morell 1969-3-29 4 Riverside Sand dunes 4 miles NE of Thousand Palms. 305 Comment
  RSA296138  Palafoxia arida var. arida B. A. Prigge 1980-8-5 3881 Riverside Whitewater canyon: 1.1 miles N of Interstate 10. 473 Comment
  UCR214561  Palafoxia arida var. arida A. C. Sanders 2010-3-15 37411 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  UCSB9920  Palafoxia arida var. arida Ullman, Sydney 1956-4-14 Riverside In town of Whitewater Comment
  OBI42648  Panicum capillare A. C. Sanders 1986-5-20 6499 Riverside In vacant lot where an orange grove wasrecently removed, across the street from 1012 Spruce St. (T2S, R4W, NE1/4 sec 19) 305 Comment
  CAS-BOT-BC253899  Panicum urvilleanum John Thomas Howell 1928-3-11 3442 Riverside 6 miles SE of Garnet Station, Coachella Valley, Colorado Desert 152 Comment
  POM172729  Panicum urvilleanum La Niece 1930-4-1 s.n. Riverside Sandy wash of Whitewater; 15 miles NW of Indio Comment
  RSA262110  Papaver californicum E. W. Lathrop 1969-5-8 7017 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  UCR22121  Parietaria hespera var. californica Steve Boyd 1980-4-13 130 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  JEPS7793  Parietaria hespera var. hespera Rimo Bacigalupi with J. F. MacBride and Ruth D. Sanderson 1952-4-2 3603 Riverside off of Palm Canyon (at mouth of Andreas Canyon, lower slopes of Mt. San Jacinto); Mt. San Jacinto, Andreas Canyon Comment
  LA45741  Parkinsonia florida J. Warren; 1952-4-28 sn Riverside Desert Center Comment
  RSA0068128  Parkinsonia florida Cheryl Sevilla, Sarah J. De Groot, Forrest Freund 2015-4-1 72 Riverside Sonoran Desert; Coachella Valley; Santa Rosa Mountains; south of La Quinta; north of Devil Canyon; 2.5 miles west of Lake Cahuilla. 136 Comment
  SBBG68550  Parkinsonia florida R. Hoffmann 1928-10-21 Riverside below Fig Tree John's [Figtree John Spring] -60 Comment
  RSA698050  Parosela schottii J. R. Bruff 1927-10-8 1 -L Riverside Thousand Palms. Comment
  UCR89828  Paspalum distichum Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) andc. 0.25 mi south of the San Jacinto River 430 Comment
  RSA0104080  Pectis papposa Duncan S. Bell, Evan Meyer 2014-10-28 7664 Riverside Santa Rosa Mountains; at the foot of the mountains between Toro Canyon and Martinez Canyon. 169 Comment
  SD129613  Pectis papposa A. C. Sanders 1989-9-19 9507 Riverside Chocolate Mountains Aerial Gunnery Range, 1.75 km (airline) south of Tabasca Tank, along wash above Tabasca Target(UTM:11S,PH-35E,07N) 680 Comment
  SEINET6196074  Pectis papposa Stephanie Rockwood, Christi Gabriel 2011-1 119 Riverside Colorado Desert; Northeastern Colorado Desert region:Ford Dry Lake Area' Pallen Dunes Road. 110 exit 217. Chuckwalla Valley. (Hopkins Well: T6S R20E S31) 109 Comment
  UC64423  Pectocarya anisocarpa H. M. Hall 1897-3-23 398 Riverside Winchester Comment
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Mar 20 2011
  JOTR28754  Pectocarya heterocarpa La Doux, Tasha, Bill Truesdell 2004-3-11 1035 Riverside Joshua Tree National Park. Pinto Basin; sand hills 487 Comment
  RSA517820  Pectocarya heterocarpa Steve Boyd, Orlando Mistretta 1986-3-13 1437 Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd & 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 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
  SEINET2042520 Image available Pectocarya heterocarpa A. C. Sanders 2001-3-20 23833 Riverside (Desert Hot Springs Quad 7.5') Desert Hot Springs, NW corner of intersection of Pierson Blvd and Atlantic Blvd. Between flood control ditch and Pierson, W of high school. T2S R4E S25, (SE 1/4 of SW 1/4) 335 Comment
  UCD120120  Pectocarya heterocarpa LeRoy Gross; Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1429 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. Near 33 deg. 37'32'N, 115 deg. 19'35'W: UTM 3721895N, 655238E to 33 deg. 36'52N, 115 deg. 19'54': UTM 3720669N, 654757E. 548 Comment
  UCR29781  Pectocarya heterocarpa George K. Helmkamp 1983-3-24 383- 12 Riverside Sonoran (Colorado) Desert, north base of the Little Chuckwalla Mountains, 1.5 miles east of Graham Pass Road 336 Comment
  RSA689370  Pectocarya linearis Scott D. White 2001-4-19 8373 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
  SD247367  Pectocarya linearis A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41418 Riverside San Gorgonio River wash, ca. 3.7 miles east of Cabazon, ca. 1.125 miles NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms. 427 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
  RSA772022  Pectocarya linearis subsp. ferocula Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4949 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 W116.66012 750 Comment
  SEINET272156  Pectocarya penicillata A. C. Sanders 1997-3-1 19754 Riverside Box springs Mountains: E side of Pigeon Pass Valley ca. 1/2 mile NW of Lawless Ranch E of Hidden Springs Rd. intersecti 579 Comment
  UCR22131A  Pectocarya penicillata Steve Boyd 1980-5-3 171 A Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  UCR91864  Pectocarya penicillata A. C. Sanders, S. Hawkins 1996-4-24 18081 Riverside San Bernardino Mtns, Morongo Indian Reservation, SE edge of Burro Flats in vicinity of natural pond & bog 1159 Comment
  UC551795  Pectocarya peninsularis F. R. Fosberg 1932-3-13 10624 Riverside Thousand Palms Canyon Comment
  JOTR29552  Pectocarya platycarpa Andre, Jim, Tasha LaDoux 2006-4-11 6743 Riverside Joshua Tree National Park. Along Pinto Basin rd (paved) in Wilson Canyon 857 Comment
  RSA0035941  Pectocarya platycarpa Deidre Conocchioli, Sarah J. De Groot 2014-1-23 132 Riverside Just off HWY-62 E of 29 Palms. 2.8 miles W of HWY-177, E of the Colorodo River. 104 Comment
  SBBG81516  Pectocarya platycarpa S. A. Junak 1983-3-23 1627 A Riverside E side of Jefferson Rd opposite entrance to Cahuilla Lake County Park, S of Indio Comment
  SEINET241497  Pectocarya recurvata A. C. Sanders 2001-3-20 23850 Riverside Western Colorado Desert: Coachella Vlly, Garnet, N side of 19th Ave, 0.5 mi(air) NW of intersxn of I-10 & Indian Ave. 235 Comment
  UCR144109  Pectocarya recurvata Scott D. White, Michael Honer 2003-4-30 9144 Riverside Sonoran (Colorado) Desert, Shavers Valley, about 1-2 mi SW of unnamed freeway exit at pumping station 457 Comment
  RSA368830  Pectocarya setosa Christopher Davidson 1973-4-19 1996 Riverside Joshua tree Natl. Monument, various sites along the road, 1-10 miles s of Joshua tree 1220 Comment
  UCR174257  Pellaea andromedifolia A. C. Sanders, T. B. Salvato 2006-6-2 33065 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
  UCR241684  Pellaea andromedifolia T. B. Salvato 2013-3-22 7409 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), south of Los Alamos Rd, rocky slopes flanking Warm Springs Creek 396 Comment
  UCR90968  Pellaea andromedifolia Scott D. White 1996-2-18 3807 Riverside Perris Basin, Double Butte, NW of Winchester, SE-facing slope of west butte and alluvial soil at base 490 Comment
  CAS-BOT-BC71403  Pellaea mucronata Wr. Coc?r 1917-3-23 s.n. Riverside Palm Springs Comment
  POM182208  Pellaea mucronata P. A. Munz 1932-4-24 12393 Riverside San Jacinto Mountains: Snow Creek Canyon 457 Comment
  RSA523503  Pellaea mucronata var. mucronata Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-30 3963 Riverside Vail Lake Area, westerly drainage cyn at N base of 'Big' Oak Mtn. 640 Comment
  UC527740  Pellaea mucronata var. mucronata C. B. Wolf 1931-5-11 Riverside above Hemet Valley (near Pipe Creek); San Jacinto Mts 1676 Comment
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Mar 24 2011
  UCR245888  Pennisetum setaceum R. F. Thorne 1995-3-29 63028 Riverside Transverse Range; San Bernardino Mtns., Whitewater Canyon 600 Comment
  UCR86863  Pennisetum setaceum A. C. Sanders, K. C. Rose 1995-4-27 16741 Riverside Sonoran (Colorado) Desert, Coachella Valley, foot of the Little San Bernardino Mtns., canyon east of Fan Hill, just outside Joshua Tree Nat. Park 549 Comment
  JEPS13627  Penstemon centranthifolius Peter Kamb 1946-4-27 336 Riverside Banning-Idyllwild Road near Barton lookout (San Jacinto Mts.); San Jacinto Quadrangle, near Barton lookout 1371 Comment
  RSA96969  Penstemon centranthifolius R. M. Straw 1954-4-6 553 Riverside 50 ft. east of road; Hwy 79, ca. 1 mi. SW of Aguaga. Comment
  RSA282788  Pentachaeta aurea C. W. Tilforth, B. Busenberg 1980-7-10 1977 Riverside 0.1 mile in form Hwy 74 on north leg of Thomas Mountain Rd., 1 mile south of Lake Hemet 1387 Comment
  RSA674603  Pentachaeta aurea Scott D. White 2000-8-5 8097 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  RSA0015690  Pentagramma triangularis Duncan S. Bell 2013-9-29 6048 Riverside Chuckwalla Mountains; on the south side of Corn Springs Wash approximately 1.8 air miles southwest of Corn Spring. 648 Comment
  RSA0066309  Pentagramma triangularis P. A. Munz 1922-4-29 5116 a Riverside 5 miles west of Aguanga. Comment
  UCR234538  Peritoma arborea L. R. Landrum 1997-1-1 8914 Riverside Sonoran (Colorado) Desert, north of Palm Springs, c. 1.5 miles north of Hwy 10 on road to Joshua Tree National Monument Comment
  JOTR31861  Peritoma arborea var. arborea La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2118 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  JEPS34965  Perityle emoryi Lawrence Saylor 1935-3-24 214 Riverside Pinto Basin Comment
  RSA471855  Perityle emoryi Christopher Davidson 1973-4-1 1841 Riverside Along Hwy 74 on desert hillside facing Palm Desert. 488 Comment
  UC69032  Perityle emoryi H. M. Hall 1905-1 5777 Riverside 10 mi w Coachella; Colorado Desert 91 Comment
  UCR101572  Perityle emoryi Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  UCR214428  Perityle emoryi A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37477 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  SEINET7883493 Image available Perityle emoryi Lewis S. Rose 1938-12-22 38337 Riverside San Jacinto Mountains 2000 Comment
  CAS-BOT-BC167760  Petalonyx thurberi Marian L. Campbell 1921-3-20 26 a Riverside Palm Springs Comment
  RSA535082  Petunia parviflora Steve D. Boyd 1991-5-30 6318 Riverside Murrieta area, Warm Springs Creek at NW end of the Hogbacks, S of Alamos Rd. 396 Comment
  RSA612171B  Petunia parviflora Louis C. Wheeler 1932-7-9 932 Riverside Santa Ana River at Chino Creek. 152 Comment
  CAS-BOT-BC326726  Peucephyllum schottii D. B. Dunn; H. Brown 1947-2-9 2849 Riverside By quadrat III along canyon side, Pushawalla Canyon, Indio Hills Comment
  CAS-BOT-BC326730  Peucephyllum schottii Ivan Johnston 1917-4-4 1082 Riverside Palm Canyon 304 Comment
  POM121857  Peucephyllum schottii Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio. Comment
  RSA790632  Peucephyllum schottii Aaron C. Sedgwick, David Fraker 2012-4-24 11 Riverside In the Palen Valley south of Power Line Rd. that parallels Hwy. 10 159 Comment
  SEINET10801063  Peucephyllum schottii David B. Dunn, Shogo; Schroeder; Bruskin; A. Folsom 1948-3-13 Dunn 3700 Riverside Pushawalla; growing in the wash. Indio Hills, Colorado Desert. Comment
  UCR232514  Phacelia ambigua var. ambigua Dave Silverman 2010-3-30 7889 Riverside Sonoran (Colorado) Desert, lower east flank of southern McCoy Mountains, 1.8 km W of Black Creek Rd, 7.0 km E of McCoy Peak, and 4.4 km north of I-10 183 Comment
  RSA740084  Phacelia brachyloba Scott D. White, Justin M. Wood 2008-6-16 12149 Riverside San Jacinto Mountains: Meadow at Quinn Flat. 1378 Comment
  SJSU6024  Phacelia campanularia R. C. McGehee 1970-4-28 229 Riverside 0.5 mi S of Cottonwood Pass, Joshua Tree National Monument Comment
  RSA0120323  Phacelia campanularia subsp. campanularia Duncan S. Bell 2016-3-13 8923 Riverside Whitewater Canyon; in the vicinity of Painted Hill, approximately 2.5 air miles southeast of the Ranger Station (trout pond). 613 Comment
  RSA0110952  Phacelia campanularia subsp. vasiformis Aaron C. Sedgwick, David Fraker 2012-3-28 37 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  UC24321  Phacelia campanularia subsp. vasiformis W. G. Wright 1800-1 Riverside Colorado Desert Comment
  HSC13709  Phacelia cicutaria var. hispida C. L. Hitchcock 1966-3-15 24156 Riverside 1 mi. E of Glen Ivy Hot Springs Comment
  UCR251941  Phacelia cicutaria var. hispida Harun Bektas 2011-4-26 01 Riverside Riverside, Box Springs Mountain Park; 7 miles above Moreno Valley via Pigeon Pass Rd. 793 Comment
  UCR260847  Phacelia cicutaria var. hispida A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41413 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
  UCR50883  Phacelia crenulata A. C. Sanders 1988-5-11 7804 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal, east of the gasline road from Niland 549 Comment
  JOTR35216  Phacelia crenulata var. crenulata La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 3640 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; west Pinkham Wash (Stop 2) Comment
  GMDRC9382  Phacelia crenulata var. minutiflora J. M. Andre 2017-3-4 37192 Riverside Big Maria Mountains: eastern base of range at Black Point, west side of US Hwy 95 34.2 mi. south of Vida Jct, at road to radio tower 94 Comment
  UC1234771  Phacelia curvipes Peter H. Raven 1962-5-18 17756 Riverside 0.6 mi e Santiago Peak (road to Indian Hill Canyon); Santa Ana Mountains 1615 Comment
  UCR166155  Phacelia curvipes T. B. Salvato, John F. Green 2004-5-27 565 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1402 Comment
  JOTR31174  Phacelia distans La Doux, Tasha 2009-6-3 1867 Riverside Joshua Tree National Park. (Stop 5): Little San Bernardino Mountains, Covington Flats Area, lower slopes, just above parking area for lower Covington Flats 1460 Comment
  RSA336185  Phacelia distans Robert F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52040 Riverside Just E of Palm Desert. Comment
  RSA180420  Phacelia imbricata subsp. patula E. W. Lathrop 1965-5-23 5769 Riverside 9 miles W of Murrieta. 610 Comment
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Oct 30 2008
  CLARK-A1703-28  Phacelia minor Cameron Duncan 1966-3-27 Riverside Woodcrest 548 Comment
  RSA495409  Phacelia minor Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2944 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  RSA78473  Phacelia minor Verne Grant, Alva Grant 1952-3-19 17502 Riverside Near mouth of Whitewater Canyon. Comment
  SD136820  Phacelia minor Steve Boyd 1992-4-14 6786 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area; along Verdugo Trail from Tenaja Tr. to Bluewater Cyn, S of Sitton Pk. 792 Comment
  SJSU11224  Phacelia minor G. B. Youngberg 1956-3-27 178 Riverside near La Serra College, Arlington 300 Comment
  UCR258748  Phacelia minor T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7904 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
  RSA550341  Phacelia minutiflora Walter Wisura, John Dolan, M. Wall 1992-3-25 4647 Riverside Low Desert: Ford Dry Lake N of I-10 at Hopkins Well. Comment
  JOTR35031  Phacelia neglecta La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3484 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
  UCSB19862  Phacelia parryi Eater, John 1966-3-18 Riverside State Highwya 74, 2.5 miles W of junction with Grand Ave., Elsinore Comment
  POM9101  Phacelia stellaris P. A. Munz, R. D. Harwood 1920-5-5 3834 Riverside Near Wineville. 305 Comment
  POM263357  Phalaris lemmonii J. C. Roos 1937-5-10 456 Riverside Lake Elsinore. Comment
  RSA575989  Phalaris minor Steve Boyd 1981-4-8 s.n. Riverside Gavilan Hills Region, Gavilan Plateau along Lake Mathews Road, south of Gavilan Peak. 640 Comment
  CAS-BOT-BC253559  Phleum alpinum Carl B. Wolf 1932-8-5 3956 Riverside 1st real, wet meadow on trail from Tahquitz Valley to San Jacinto Peak, San Jacinto Mountains 2743 Comment
  RSA5230  Phleum alpinum C. B. Wolf 1932-8-5 3956 Riverside San Jacinto Mountains, on trail from Tahquitz Valley to San Jacinto Peak, head of a fork of Tahquitz Creek 2744 Comment
  RSA221011  Pholistoma auritum E. W. Lathrop 1966-5-8 6404 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  SD152825  Pholistoma racemosum Steve Boyd, Carol Boyd, Kyle Boyd 1992-3-21 6737 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Tenaja Cyn, along trail from wilderness boundary downstream towards Fisherman's Camp. In shady understory of mesic chaparral. 366 Comment
  UCD102027  Phoradendron bolleanum Steve Boyd 1985-12-14 1193 Riverside Gavilan Hills, Harford Springs County Park. Comment
  RSA708427  Phoradendron californicum Scott D. White 2005-3-29 10830 Riverside San Gorgonio Pass: Cabazon. Alluvial fan and benches west of San Gorgonio river and south of I-10 Freeway. West of existing gravel quarry, likely to be proposed for quarry expansion. 585 Comment
  UCD102020  Phoradendron californicum Lewis S. Rose 1966-12-11 66093 Riverside Palm Springs. 152 Comment
  UCR245915  Phoradendron californicum Naomi Fraga, David Fracker, Thomas Stoughton 2012-3-15 3953 Riverside Sonoran (Colorado) Desert, off of Box Canyon Rd., south of Shaver Well in a wash 229 Comment
  UCR230782  Phoradendron densum A. C. Sanders, Nathan Moorhatch 2011-3-22 38780 Riverside Peninsular Range, powerline corridor through hills 6.4 km SW of Perris, 0.61 km east of Hwy 74, south of Ethanac Rd. 503 Comment
  RSA356998  Phoradendron villosum Robert F. Thorne, Percy C. Everett 1966-10-18 41857 Riverside Santa Rosa Mountains. Comment
  RSA423818  Physalis crassifolia N. C. Cooper 1949-4-8 3307 Riverside Desert Center. 610 Comment
  RSA638199  Physalis philadelphica Scott D. White 1998-10-13 7179 Riverside Corona, near Bedford canyon: Dissected alluvial slope, foothills at eastern slope of Santa Ana Mts. 'Joseph Canyon' wash near a disused quarry. 335 Comment
  CDA42620  Picris echioides J. Chandler 1998-9-22 s.n. Riverside Upper Chase Nursery, 19851 Patterson Ave., Perris. 0 Comment
  CAS-BOT-BC45829  Pilostyles thurberi L. N. Goodding 1943-10-28 88 -43 Riverside On Dalea Emoryi; 57 miles south of Indio, California Comment
  SEINET8060794 Image available Pinus coulteri G. Yatskievych, K. McCrary 1984-7-29 84 -122 Riverside Riverside County; State Route 243, 0.5 miles S of Baby Tree Spring 1585 Comment
  IRVC2816  Pinus flexilis R. H. Whittaker, W. A. Niering 1963-6-13 SJ 466 Riverside Near summit of Jean Peak just S of San Jacinto Peak. San Jacinto Mtns. 3201 Comment
  UC1200607  Pinus flexilis Peter Kamb 1944-5-29 11 Riverside Mt. San Jacinto San Jacinto Mountains 3048 Comment
  RSA384341  Pinus jeffreyi M. B. Dunkle 1933-7-21 3734 Riverside Idyllwild 1616 Comment
  SD229029  Pinus lambertiana Dick Schwenkmeyer 2012-8-27 809 Riverside 2.6 mi. east of the intersection of highway 243 and Fuller's Mill road, 7.5 mi. north of Idyllwild. 2034 Comment
  UC64558  Pinus lambertiana H. M. Hall 1902-4-16 2883 Riverside w side Tahquitz Pk. 2590 Comment
  SBBG99806  Pinus monophylla W. L. Halvorson 1977-4-4 77 -236 Riverside transition from desert to Joshua Tree Nat Monument 1219 Comment
  SD80146  Pinus monophylla Nancy Ryan Zabriskie, Walter Zabriskie 1971-4-9 379 Riverside Santa Rosa Mountains, north slope, Deep Canyon, about 2 miles south of Highway #74 1310 Comment
  JEPS48191  Pinus ponderosa W. L. Jepson 2289 Riverside Strawberry Valley San Jacinto Mts., Strawberry Valley 1676 Comment
  LA6157  Pinus quadrifolia Torn A. Barnerd; 1928-12-2 sn Riverside Santa Rosa Mountains, Vandeventer Flat Comment
  NY62441  Pinus quadrifolia N. H. Holmgren 1969-6-18 3587 Riverside This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  RSA479441  Pinus quadrifolia Lyman Benson 1962-2-17 16139 Riverside 1/2 mile SW of Jct of Palms-to-Pines Rd and Hwy 243 to Anza. 1220 Comment
  UC1143327  Pinus quadrifolia W. C. Cumming October 1939 Riverside South end of San Jacinto Mountains; near type locality of P. quadrifolia Comment
  UCSB152  Pinus quadrifolia Haller, Norman 1953-5-24 Riverside Hwy. 74, Vandeventer Flats, 5 miles W. of Pinyon Flats, San Jacinto Mts. 1524 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
  RSA192204  Plagiobothrys arizonicus E. W. Lathrop 1963-3-27 5359 Riverside 10 miles W of Murieta. 610 Comment
  SBBG119105  Plagiobothrys arizonicus W. L. Halvorson 1977-3-13 77 -178 Riverside near Temecula Comment
  UCR241017  Plagiobothrys arizonicus T. B. Salvato, Tracy Tennant 1998-4-16 MOR- 1217 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Potrero Canyon about 1 mile above locked gate, east side of road near old corrals, tree stand P-03 976 Comment
  UCR67336  Plagiobothrys arizonicus S. J. Myers 1991-4-15 91- 8 Riverside City of Banning, west of Fields Road, north of I-10 and south of the Morongo Indian Reservation. 671 Comment
  SEINET272339  Plagiobothrys canescens A. C. Sanders, G Helmkamp 1997-3-15 19927 Riverside Lake Skinner Area; hill E of Skinner Lake at NW end of Tucalota Hills. UTM 10km cell: MH-9E 1N. Skinner Reservoir 549 Comment
  UCR107398  Plagiobothrys canescens B. G. Pitzer 1997-3-23 2981 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
  UCR49259  Plagiobothrys canescens Steve Boyd 1986-4-2 1627 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCR174156  Plagiobothrys collinus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32597 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
  UCR70811  Plagiobothrys collinus P. A. Munz, R. D. Harwood 1920-2-28 3234 Riverside Santa Ana Mtns. region, 2 miles SE of Corona 305 Comment
  LA210030  Plagiobothrys collinus var. californicus Carl B. Wolf; 1935-4-7 Riverside Gavilan Hills region, 2 mi. SW of Perris 426 Comment
  JEPS29306  Plagiobothrys collinus var. fulvescens Rimo Bacigalupi and L. Heckard 1962-3-25 8401 Riverside ca. 10 air mi. n.w. Elsinore (Temescal Wash, near Arcilla siding of A.T. & S.F. R.R., just below & e. of state hwy. 71); Temescal Wash 289 Comment
  UCR241849  Plagiobothrys collinus var. fulvescens A. C. Sanders, Timothy W. Chumley 2013-4-5 40777 Riverside Peninsular Range, Temescal Canyon, around Ivyglen electrical substation near where Temescal Canyon Rd. passes under I-15, between substation and Campbell Ranch Rd. 328 Comment
  POM13234  Plagiobothrys collinus var. ursinus P. A. Munz, I. M. Johnston 1922-5-21 5514 Riverside 1/2 mile above Keen Camp, San Jacinto Mountains 1524 Comment
  RSA80199  Plagiobothrys collinus var. ursinus F. W. Peirson 1922-5-19 3041 Riverside Hemet Valley, San Jacinto Mountains. 1341 Comment
  SBBG87855  Plagiobothrys jonesii A. C. Sanders, Charlton, Pitzer, Stewart et al 1986-3-2 6063 Riverside Graham Pass, between the Chuckwalla and Little Chuckwalla Mtns 502 Comment
  UCR126941  Plagiobothrys leptocladus A. C. Sanders, T. B. Salvato 2003-5-9 26583 Riverside San Jacinto Valley, west of Hemet, west edge of Warren Road just north of Hwy 74 (Florida Ave.) 457 Comment
  UCR19095  Plagiobothrys leptocladus John C. Roos 1950-3-18 4713 Riverside Perris-Aguanga Basin region, 1 mi SE of Perris 457 Comment
  CLARK-A1045-64  Plagiobothrys nothofulvus George K. Helmkamp 1979-4-27 Riverside Santa Ana Mountains head of De Luz Creek; Wildomar 7.5'Q Comment
  SD185172  Plagiobothrys nothofulvus Jeri Hirshberg 1989-3-15 Riverside Santa Rosa Plateau, wouth of Murrieta; small mesa southwest of Mesa de Burro. 579 Comment
  CLARK-A1528-2265  Plagiobothrys tenellus John C. Roos 1947-3-21 3367 Riverside Reche Canyon 365 Comment
  SD137833  Plagiobothrys tenellus Darin L. Banks, Steve Boyd 1995-5-9 407 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north face of Agua Tibia Mountain, The Dorland Mountain area. 733 Comment
  HSC78732  Plagiobothrys undulatus A. C. Sanders, T. Glenn 1983-4-17 3729 Riverside Mesa de Colorado, Santa Ana Mtns., 5 mi. SW of Murrieta 612 Comment
  RSA523545  Plantago erecta Steve Boyd, Tim S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4005 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA524397  Plantago erecta Steve Boyd, Tim S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4119 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
  UCR150973  Plantago erecta D. L. Banks 1997-3-29 1589 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
  UCR232039  Plantago lanceolata John F. Green 2008-4-22 04- 01 Riverside Peninsular Range, hills south of Perris, powerline route just east of the San Jacinto River, west of Goetz Rd. 438 Comment
  RSA776694  Plantago ovata Duncan S. Bell, Amanda Turek 2010-4-10 789 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  SD181423  Plantago ovata V. Soza, J. M. Porter and G. D. Wallace 2001-4-2 1097 Riverside Little San Bernardino Mountains region; mouth of West Wide Canyon, northnorthwest of junction of Dillon Road and Ford Avenue. 395 Comment
  JOTR35344  Plantago ovata var. fastigiata Harding, Mitzi, Mark Wheeler 2012-2-28 111 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; large northeast flowing canyon (Stop 5) 268 Comment
  RSA402040B  Plantago ovata var. fastigiata N. R. Zabriskie, W. M. Zabriskie 1972-3-27 475 Riverside Andreas Canyon watershed, east slope San Jacinto mtns. 396 Comment
  RSA457801  Plantago ovata var. fastigiata Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2198 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  RSA773163  Plantago patagonica Duncan S. Bell, Valentin Arvizu 2010-5-24 1102 Riverside San Bernardino National Forest: Garner Valley, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1386 Comment
  UCR261452  Plantago patagonica A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41446 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
  CAS-BOT-BC93219  Platanus racemosa Ivan Johnston 1917-4-4 1094 Riverside Andreas Canyon. 304 Comment
  CLARK-A1528-1356  Platystemon californicus Cameron Duncan 1966-3-27 Riverside Woodcrest 548 Comment
  RSA192038  Platystemon californicus E. W. Lathrop 1959-4-16 4468 Riverside 14 miles W of Murrieta, Tenaja plateau. Comment
  RSA357158  Platystemon californicus Robert F. Thorne 1973-5-23 43858 Riverside Santa Rosa Plateau-Mesa De Colorado. 610 Comment
  UC519884  Platystemon californicus Katherine Kinsel 1930-4-17 Riverside near Perris; near Perris Comment
  UCR162282  Platystemon californicus S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCR177176  Platystemon californicus Scott D. White, Michael Honer 2003-4-25 9117 Riverside San Bernardino Mtns, Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm, west side of road 671 Comment
  UCR102852  Plectritis ciliosa subsp. insignis A. C. Sanders 1997-4-3 20153 Riverside Lake Skinner area, near north foot of Black Mountain, slopes south of Crown Valley 726 Comment
  CAS-BOT-BC326638  Pleurocoronis pluriseta Munz; Street; Williams 1919-3-25 2329 Riverside Palm Canyon, Palm Springs, Colorado Desert Comment
  SD9129  Pleurocoronis pluriseta S. B. Parish, W. F. Parish Apr 1882 Riverside Palm Springs Comment
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Jul 19 2010
  HSC28064  Pluchea sericea Richard Spjut 1973-5-4 3349 Riverside Colorado Desert, Corn Spring, Chuckawalla Mtns. 305 Comment
  LA203866  Pluchea sericea S. Atsatt; 1926-4-17 sn Riverside Palm Springs 121 Comment
  RSA0031444  Pluchea sericea Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4427 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  SEINET2053984 Image available Pluchea sericea Howard S. Gentry 1954-7-25 14248 Riverside Aguanga Comment
  RSA34535  Poa annua N. C. Cooper 1943-10-9 951 Riverside Hemet. 305 Comment
  SEINET193422 Image available Poa nevadensis Frank W. Gould 1944-4-5 2235 Riverside 17 miles east of Temecula on highway 79 Comment
  RSA341984  Poa secunda R. F. Thorne 1980-4-16 54082 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  CAS-BOT-BC242994  Poa secunda subsp. secunda Philip A. Munz 1940-3-22 15658 Riverside Whitewater Canyon, 2 miles N of Banning-Indio Road Comment
  RSA770438  Poa secunda subsp. secunda Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4570 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  CAS-BOT-BC413755  Polygonum argyrocoleon Peter H. Raven 1958-1-25 11474 Riverside 0.5 miles west of Mecca Comment
  RSA605371  Polygonum lapathifolium Scott D. White, Steve Ogg 1994-10-17 2481 Riverside City of Temecula: Murrieta Crk channel 1000 ft. N of bridge at Rancho California Ave. 305 Comment
  UCR110389  Polygonum lapathifolium A. C. Sanders, Mitch Provance 1999-9-26 23083 Riverside San Jacinto Mountains, McMullen Flat at Valley High County Park, 0.7 mi. SE of Hwy 74 on Twin Pines Ranch Road 1183 Comment
  IRVC19367  Polypodium californicum R. L. Allen 1977-2-11 s.n. Riverside Bear Creek Canyon; near Ortega Highway [74]. Peninsular Ranges, Santa Ana Mountains Comment
  RSA577524  Polypodium californicum Darin L. Banks, Steve Boyd 1995-2-16 50 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., S of the Dripping Springs Alcove, E of the Woodchuck Trail. 829 Comment
  SEINET10602413  Polypogon interruptus Hall 1900-5-29 Hall 1384 Riverside Comment
  RSA792258  Polypogon monspeliensis D. M. McF 1954-5-28 11 Riverside Jct Hwy 395 and Newport Ave. Comment
  RSA595273  Polypogon viridis D. L. Banks, Victor Steinmann 1996-4-20 901 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. 512 Comment
  SEINET3244163  Polypogon viridis A. C. Sanders, Mark Elvin 2002-1 25224 Riverside NE end of Santa Susana Mtns.: Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river. 290 Comment
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Jul 29 2013
  SEINET10719134  Polystichum Greg Gust, Leith Nye 2005-3-12 Gust 560 Riverside Cleveland National Forest. Hwy 74 west of lower San Juan Picnic Area at pullout W side of Santa Ana Mountain Range. 495 Comment
  CAS-BOT-BC6241  Populus fremontii subsp. fremontii Samuel Bonsal Parish 1913-2-28 8471 Riverside Salton Basin, Mecca flats -60 Comment
  UC846012  Populus fremontii subsp. fremontii Ira L. Wiggins 1937-2-19 8573 Riverside roadside 2.5 mi n Ripley Comment
  RSA525440  Porophyllum gracile Steve Boyd, David E. Bramlet 1990-4-29 4485 Riverside Lake Skinner County Park, S flank of Bachelor Mountain Comment
  RSA614666  Porophyllum gracile Scott D. White 1997-2-28 4714 Riverside Elsinore Basin: SE of Hwy 74, ca 1 mi E of junction with Hwy I-15 Fwy. 457 Comment
  SD262208  Porophyllum gracile Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood. 2017-4-13 417 56 Riverside Peninsular Ranges: Wildomar, Sedco Hills, along transmission road between Lost Rd. and Lake View Rd. (Lake Eslinore 7.5'Q) 563 Comment
  UCR59707  Porophyllum gracile A. C. Sanders 1989-9-19 9501 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, 1.75 km (airline) south of Tabaseca Tank, along the wash above 'Tabaseca Target 680 Comment
  UCR60520  Porophyllum gracile Steve Boyd 1985-7-23 1044 Riverside Santa Ana Mtns., Santa Rosa Plateau, De Luz Road, 3.5 mi west of the junction with Tenaja Trail Comment
  JOTR32632  Portulaca halimoides La Doux, Tasha, K. Matthews, S. Szabo, J. Van Warmerdam, B. Truesdell 2007-10-4 2555 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Lower Covington Flat, southeast of trailhead heading toward Smith Water Canyon (Stop 2) 1398 Comment
  RSA778115  Prenanthella exigua Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 930 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 335 Comment
  RSA0014807  Proboscidea louisianica Steve Boyd 1984-9-20 s.n. Riverside Mead Valley, 4.5 mi NW of Perris, along Cajalco Rd., 0.2 mi E of its intersection with Clark St. (Old Elsinore Rd.) Comment
  CAS-BOT-BC206977  Prosopis glandulosa var. torreyana W. R. Dudley 1903-12-27 s.n. Riverside Palm Springs Comment
  SEINET10489765  Prosopis glandulosa var. torreyana Billy Joe Cox 1975-6-26 Cox 4200 Riverside Palo Verde, 1-3 km W, (ca 32 mi S of Blythe); creosote desert scrub. 70 Comment
  SEINET10489773  Prosopis glandulosa var. torreyana David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2882 Riverside Pushawalla Canyon, Indio Hills. In W wall of wash. Comment
  CAS-BOT-BC216513  Prosopis pubescens John Thomas Howell 1927-8-1 2879 Riverside J Cross K Ranch, N Colorado Desert, Bottom of Mission Creek 609 Comment
  UCR270201  Prunus dulcis A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-3 42420 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
  UCR418  Prunus ilicifolia Carol Chaney 1960-5-7 s.n. Riverside San Timoteo Canyon, 3.2 mi. from Hwy 60, 30 yards to the right of the road 701 Comment
  CAS-BOT-BC356344  Psathyrotes ramosissima G. Helmkamp; E. Helmkamp 1998-1-17 2534 Riverside Box Canyon northeast of Mecca and 3.5 miles south of Shaver's Well 243 Comment
  CLARK-A1528-284  Psathyrotes ramosissima Charlotte Stocks 1962-5-3 Riverside Mecca Comment
  POM10451  Psathyrotes ramosissima Charlotte M. Wilder 1907-04 s.n. Riverside Palm Springs Station Comment
  RSA472313  Psathyrotes ramosissima M. B. Dunkle 1933-5-6 3445 Riverside Painted Canyon, Colorado Desert 30 Comment
  RSA614635  Pseudognaphalium biolettii D. L. Banks 1997-3-29 1561 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border., West of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  RSA500095  Psilocarphus brevissimus Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-2 3215 Riverside Vail Lake Area, W end of bench on S flank of Oak Mt. 518 Comment
  UCR20985  Psilocarphus brevissimus var. brevissimus A. C. Sanders, Steve Boyd 1980-5-19 1483 Riverside San Jacinto Valley, San Jacinto River c. 1.5 miles west of Lakeview on the Ramona Expressway 427 Comment
  POM13050  Psilostrophe cooperi P. A. Munz, D. D. Keck 1922-4-12 4848 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. Colorado Desert. 457 Comment
  JEPS41699  Psorothamnus emoryi Marjorie D. Clary 1932-4-29 Riverside West side, Colorado Desert Comment
  RSA0027503  Psorothamnus emoryi April Garbat, Kristin Forgrave 2013-5-7 64 Riverside Coachella Valley, along Highway 111 in the sandy soil south of the road. Near the large pile of rocks. North of Mt San Jacinto, along the San Gorgonio River. Comment
  UC555345  Psorothamnus emoryi Margaret Stason 1927-3-12 Riverside Thousand Palms , Thousand Palms (Colorado Desert) Comment
  RSA404252  Psorothamnus schottii M. B. Dunkle 1933-3-4 3041 Riverside Painted Canyon, Colorado Desert. 30 Comment
  SD37834  Psorothamnus schottii Edith A. Purer 1935-4-21 6462 Riverside Desert floor, near Palm Springs, Colorado Desert Comment
  UCSB18653  Psorothamnus schottii Winn, Will 1963-4-8 Riverside U.S. Highway 60-70, 31.2 miles of Desert Center 304 Comment
  SEINET1100109 Image available Psorothamnus spinosus A. C. Sanders 1995-5-23 17119 Riverside Colorado Desert, Coachella Valley, alluvial fans below Santa Rosa Mts., near mouth of Martinez Canyon at end of 72nd. Ave. 25 Comment
  UC1197435  Psorothamnus spinosus Arthur E. Connick June, 1928 Riverside Palm Springs Comment
  CAS-BOT-BC421253  Pterostegia drymarioides Susan G. Stokes 1934-7-1 313 Riverside San Jacinto Mt. 1066 Comment
  JOTR34218  Pterostegia drymarioides La Doux, Tasha, M. Harding 2010-4-7 3025 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  SBBG103856  Pterostegia drymarioides M. A. Patten 1992-5-7 92 -28 Riverside Via Vaquero at Via Oesta, ca. 5 km W of Temecula, Santa Rosa Plateau Comment
  UCR177991  Pterostegia drymarioides 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 1189 Comment
  UCR18121  Pterostegia drymarioides A. C. Sanders 1978-4-2 567 Riverside Sonoran (Colorado) Desert, Living Desert Reserve in Palm Desert [mouth of Deep Canyon] 152 Comment
  RSA450763  Pulicaria hispanica J. C. Roos 1965-8-2 s.n. Riverside Palm Springs: along irrigation ditch on Vista del Chino, between Sunrise Way and Caballeros Ave. 122 Comment
  RSA781946  Punica granatum A. C. Sanders 1997-5-1 20615 Riverside Lake Skinner area: Old house site at gated road junction into Shipley Reserve area, c. 1 km NE of Lake Skinner in mouth of Rawson Creek Canyon. 457 Comment
  UC1329921  Purshia tridentata var. glandulosa James E. Cole 1941-5-17 722 Riverside Covington Flat; Joshua Tree National Monument 1584 Comment
  SBBG119788  Quercus X munzii D. H. Wilken 2005-10-1 Riverside Live Oak Tank, ca. 1 km NE of Jumbo Rocks 1290 Comment
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Nov 6 2011
  HSC35339  Quercus agrifolia var. agrifolia A. M. Montalvo, J. D. Ackerman 1975-6-26 531 Riverside Hwy. 74 between San Juan Capistrano and Lake Elsinor, near Upper San Juan Campground 610 Comment
  UCD170857  Quercus berberidifolia Jeremiah George 2012-8-7 70812 6 Riverside San Jacinto Mtns. Foothills/San Gorgonio Pass, south of Beaumont, just east of intersection Highland Springs Ave. and Circle C Ranch. 747 Comment
  UCR250921  Quercus berberidifolia Jeremiah George 2012-8-7 70812- 5 Riverside Beaumont, Western Knolls, north central slope of eastern half of bench between Hwy 60 and Oak Valley Parkway, east of Potrero Blvd. 747 Comment
  UCR264644  Quercus berberidifolia Mitch Provance 2012-4-27 412- 19 Riverside The Badlands, Mt. Davis, southwest of Beaumont, about 1 mi S of I-10 and SR-60 interchange, just E of Davis Mountain Dr. and S of Westward Ave. 799 Comment
  UCR273003  Quercus berberidifolia Mitch Provance 2012-8-30 17436 Riverside Foothills of the San Jacinto Mountins, Lower Old Idyllwild Rd., S of Smith Creek, about 3 mi S of the City of Banning 780 Comment
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May 22 2019
  UCR273038  Quercus berberidifolia Mitch Provance 2012-1-25 17375 Riverside Badlands of Western Riverside County, San Timoteo Canyon, SW end along SCE powerline access roads between El Casco Substation and the Hwy. 60. 677 Comment
  CAS-BOT-BC62434  Quercus chrysolepis Marcus E. Jones 1924-8-30 s.n. Riverside Taquitz, San Jacinto Mts. Comment
  JEPS38046  Quercus chrysolepis C. V. Meyer Jun 1927 165 Riverside Saunder's Meadow 1737 Comment
  RSA592669  Quercus cornelius-mulleri Scott D. White, D. Haselfeld 1996-7-2 4261 Riverside Pinyon Flat area, N of Hwy. 74, ca. 10 road mi. E of junction w/ Hwy. 371. W facing slope of Sugarloaf Mtn and adjacent valley. 1250 Comment
  SD80180  Quercus cornelius-mulleri R. S. Woglum Apr 1937 297 Riverside Palm Springs Comment
  RSA666646  Quercus engelmannii A. C. Sanders, Kent Beaman 2002-5-10 25047 Riverside Santa Ana Mtns., Santa Rosa Plateau: hills west of the head of De Luz Creek, 0.4 mi south of Tenaja Rd. on west side of Calle Roble near Avenida Matorral. 671 Comment
  SDSU13622  Quercus engelmannii W. Miller with C. Mosse 1972-7-20 Riverside 75 yards past fork next to olive trees. Comment
  UCR66549  Quercus engelmannii P. A. Munz 1946-10-18 11559 Riverside 0.5 mi. south of Sage 716 Comment
  SD229178  Quercus kelloggii Dick Schwenkmeyer 2012-4-18 706 Riverside Mt. San Jacinto: Vista Grande, 1.1 mile northwest of U.S. Forestry station on Highway 243, north of Idyllwild. High granite ridge overlooking Gorgonio Pass to the north and Hemet to the west. 1540 Comment
  CAS-BOT-BC104311  Quercus palmeri Philip A. Munz 1946-10-19 11571 Riverside Burnt Valley, about 5.2 mi E of Anza 1310 Comment
  CAS-BOT-BC104317  Quercus palmeri A. C. Sanders; Steve Boyd; Mitch Provance; J. Ross 1998-10-25 22278 Riverside San Jacinto Mtns: Pine Meadow along Hwy 74 in Garner Valley (eastern), 2.7 mi NW of Hwy 371 junction, 0.8 mi NW of Devil's Ladder Rd. 1402 Comment
  RSA33879  Quercus turbinella N. C. Cooper 1944-5-20 1307 Riverside Palms to Pines Hwy., San Jacinto Mtns. 1220 Comment
  UCR18990  Quercus wislizeni John C. Roos 1965-9-26 s.n. Riverside Santa Rosa Mtns, Near summit of Palms to Pines Hwy 1524 Comment
  RSA796516  Quercus wislizeni var. frutescens Robert F. Thorne, E. W. Lathrop 1977-5-18 49726 Riverside Santa Ana Mountains: Bear Spring [east slope of Santiago Peak] Comment
  UCR169241  Quercus wislizeni var. frutescens Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 12- 82 Riverside San Jacinto Mtns, San Bernardino National Forest, 10 miles north of Idyllwild on Hwy 243 near Lake Fulmor, Site L12 1637 Comment
  CAS-BOT-BC362519  Rafinesquia californica John Thomas Howell 1931-5-30 6592 Riverside Santiago Peak Trail, Santa Ana Mts. Comment
  RSA0124373  Rafinesquia neomexicana Duncan S. Bell, LeRoy Gross 2016-3-31 9197 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 591 Comment
  RSA26987  Rafinesquia neomexicana C. L. Hitchcock 1940-4-2 5919 Riverside Cottonwood Spring wash, Joshua Tree National Monument. Comment
  UC217944  Rafinesquia neomexicana P. A. Munz, D. Keck Apr 9 1922-Apr 12 1922 4884 Riverside vicinity Corn Springs (Colorado Desert, Chuckwalla Mountains, Southern California); Colorado Desert, Chuckwalla Mountains 609 Comment
  UC9363  Ranunculus alismifolius var. alismellus H. M. Hall July, 1901 2405 Riverside Tamarack Valley San Jacinto Mountains 2804 Comment
  RSA357768  Ranunculus aquatilis var. capillaceus Robert F. Thorne 1973-5-23 43839 Riverside Santa Rosa Plateau:; N side of Mesa de Colorado. 610 Comment
  RSA721996  Ranunculus californicus R. S. Woglum 1934-3-18 630 Riverside Snow Creek, Coachella Valley Comment
  UCR207255  Ranunculus muricatus O. F. Clarke 2002-5-25 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UC1922903  Ranunculus testiculatus Scott D. White 2005-3-24 10809 Riverside East Mojave Desert: Mountain Pass. Sandy bajadas, canyons, and washes N of the I-15 Freeway and S of the Molycorp quarry. (Mescal Range) Comment
  HSC93109  Rhamnus crocea Scott D. White 1996-4-14 3918 Riverside E of Hemet, San Jacinto River Wash near Valle Vista, N of Hwy. 74, 1.7 mi. W of USFS Cranston Fire Station 534 Comment
  RSA680346  Rhamnus crocea Scott D. White 2001-3-27 8169 Riverside Badlands: Moreno Valley area. About 1 air mile East-Northeast of the jtn State Rt. 60 w/ theodore St. Adjacent to County Landfill. 610 Comment
  UC1979345  Rhamnus crocea David Keil 1983-4-15 16893 Riverside East of Temecula on SR79. Comment
  CAS-BOT-BC56047  Rhamnus ilicifolia B. D. Stark 1933-2-19 4530 Riverside 2 1/2 mi. East of Nuevo 457 Comment
  RSA289811  Rhamnus ilicifolia Barry A. Prigge 1980-8-12 3931 Riverside Whitewater Canyon: 1.4 miles upstream from trout farm. 793 Comment
  SFV18007  Rhododendron occidentale J. D. Dilley 1999-7-7 380 Riverside San Jacinto Mountains Black Mountain. Black Mountain Road, 0.5 miles south of Boulder Basin Camp. 2134 Comment
  CAS-BOT-BC200028  Rhododendron occidentale var. californicum Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  UCD116881  Rhus aromatica Ted C. MacRae 1995-5-26 43 b Riverside Santa Rosa Mts., Pinyon Flats Cpgd., 15.5 mi S Palm Desert. 1219 Comment
  CLARK-A1528-1411  Rhus integrifolia John C. Roos 1950-2-18 4707 Riverside Box Springs Mountains 774 Comment
  CLARK-A1528-5595  Rhus integrifolia John C. Roos 1950-2-18 4707 Riverside Box Springs Mountains 774 Comment
  CAS-BOT-BC167935  Rhus ovata Munz; Harwood 1920-2-28 3263 Riverside 2 mi. S.W. of Corona 304 Comment
  JEPS66258  Rhus ovata W. L. Jepson 1901-5-18 1258 Riverside San Jacinto River, upper San Jacinto Valley San Jacinto River (from Riverside to Santa Rosa Peak and Palomar); San Jacinto Valley, San Jacinto River 548 Comment
  RSA736736  Rhus ovata Scott D. White, Angelia Carey, Linda Archer 2004-8-5 10684 Riverside Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  UCR34999  Rhus ovata L. B. Ziegler 1974-4-2 522 Riverside San Jacinto Mountains, foothills of the San Jacinto Mountains, hillside slopes of lower Bautista Canyon 612 Comment
  RSA96230  Rhus ovata E. K. Balls 1954-3-29 18951 Riverside 0.5 mi. form Corona-Elsinore Hwy on S side of road to Glen Ivy Resort, Temescal Canyon. Comment
  CAS-BOT-BC93063  Ribes californicum var. hesperium Carl B. Wolf 1932-2-11 2642 Riverside Hidden Canyon, 5 miles west of Corona. Santa Ana Mountains. Base of Skyline Drive. 405 Comment
  UCR104591  Ribes indecorum G. F. Pratt 1998-1-7 s.n. Riverside Jurupa Mtns., Jurupa Mt., on San Bernardino/Riverside county line, ENE of N terminus of Pyrite Rd, north of community of Sunnyslope 662 Comment
  RSA282794  Ribes roezlii C. W. Tilforth, B. Busenberg 1980-6-10 1993 Riverside 1/2 mile north of Thomas Mtn Campground, along Thomas Mtn Road, West of Hwy 74 and south of Lake Hemet. 1982 Comment
  RSA5920  Ribes roezlii Carl B. Wolf 1932-8-5 3969 Riverside Along trail from Tahquitz Valley to San Jacinto Peak. Above the small stream and meadows feeding Tahquitz Creek. 2805 Comment
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Aug 8 2007
  RSA698880  Ribes roezlii J. R. Bruff 1934-7-5 s.n. Riverside San Jacinto Mts. 2591 Comment
  UCR114738  Robinia pseudoacacia A. C. Sanders, K. C. Rose 1999-6-18 22802 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave., 1/2 mile south of Rawson Rd. 439 Comment
  SDSU17733  Rorippa nasturtium-aquaticum D. C. Estrella, M. G. Simpson 2002-4-20 28 Riverside Shallow, acquatic pool. Santa Margarita Ecological Preserve. 229 Comment
  RSA449716  Rosa californica M. B. Dunkle 1933-7-20 3705 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  SEINET239057 Image available Rostraria cristata Mitch Provance 1998-3-20 174 B Riverside Riverside area: Jurupa Mtns. pass west of Rattlesnake Mtn. along the E side of Armstrong Rd. ca. 1/8 mi. S of the San 313 Comment
  UCR91404  Rumex conglomeratus Scott D. White 1995-4-5 2720 Riverside San Jacinto Valley, San Jacinto Wildlife area, near northern boundary, off Davis Rd. 427 Comment
  JOTR32378  Rumex crispus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2489 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  JOTR32380  Rumex crispus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2489 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  RSA655628  Rumex hymenosepalus A. C. Sanders 2000-3-19 23319 Riverside Diamond Valley, off old Rawson Rd. N of Crown Valley, on future bed of Diamond Val. Reservoir, now filling 485 Comment
  UCR100176  Rumex hymenosepalus Scott D. White 1994-4-23 2038 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
  UCSB10612  Rumex hymenosepalus Gill, Robert 1960-3-23 Riverside About 1 mile up Snow Canyon from road to Palm Springs; San Jacinto Mts. 396 Comment
  POM295747  Salix exigua Lyman D. Benson 1946-4-15 12047 Riverside Canyon on Twenty-nine Palms Road from Whitewater. 457 Comment
  UCR133114  Salix exigua John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  LA208625  Salix exigua var. exigua N. Dunn; A. M. Martin 1932-3-27 sn Riverside Cottonwood Spring Comment
  UC498067  Salix exigua var. hindsiana Philip A. Munz 1932-3-24 12031 Riverside n Elsinore (along small stream) 304 Comment
  CAS-BOT-BC108113  Salix gooddingii Fay A. Mac Fadden 1936-3-20 14666 Riverside Morongo Valley Comment
  POM122567  Salix gooddingii Marcus E. Jones 1925-4-24 s.n. Riverside Thousand Palms. Comment
  POM319271  Salix gooddingii Patricia Wilder 1970-10-30 4829 Riverside Road on south side of Prado Flood Control Basin on east side of Prado Dam. About 1/2 mile east of dam tender's residence. Santa Ana River Drainage Area. 152 Comment
  UC143229  Salix gooddingii C. F. Baker 1903-4-4 4146 Riverside Elsinore Comment
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Jul 8 2009
  UCR159247  Salix lasiolepis A. C. Sanders, Kelly Volansky 2005-8-31 31574 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  RSA125531  Salix scouleriana R. Weatherby 1949-6-6 647 Riverside Dark Canyon. San Jacinto Mtns. 1829 Comment
  UCR201981  Salsola paulsenii Karin Cleary-Rose 1997-1 s.n Riverside Sonoran (Colorado) Desert, Coachella Valley, six mile segment of Jefferson St. in La Quinta and Indio, between Indio Blvd. and Ave. 54 10 Comment
  RSA0080317  Saltugilia australis Sarah J. De Groot, Cheryl Sevilla 2015-2-18 7362 Riverside North fork Mission Creek, southeast San Bernardino Mountains, northwest of Desert Hot Springs. 780 Comment
  UCR108863  Saltugilia australis Heidi A. Haid 1969-5-14 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  RSA0094571  Saltugilia australis Leigh A. Johnson 1997-4-25 97 -049 Riverside Magee Hills vicinity: On first year burn on hills and slopes directly W of Hwy R3, (Sage Road) ca. 5.9 mi S of jct. with Cactus Valley Rd., and 0.8 mi N of Sage Hen Fire station. 700 Comment
  RSA67604  Saltugilia splendens Verne Grant, Alva Grant 1950-4-9 8839 Riverside Palm Springs. Comment
  UCSB37825  Saltugilia splendens Sanders, A. 1980-7-18 Riverside Thomas Mountain; Thomas Mtn. campground to the summit at the lookout; T 6S, R 3E, sec. 28 2072 Comment
  SEINET9361149  Salvia apiana Unknown 2010-4-12 4756 Riverside Herbarium of rancho Santa Ana Botanic Garden/San Bernardino Mountains Region Comment
  SFV4265  Salvia carduacea W. A. Emboden, Jr. 1962-4-26 2053 Riverside Roadside 2 miles west of Anza on road from Anza to Highway 79. -15 Comment
  UC2030038  Salvia clevelandii James Henrickson 1979-4-7 17816 Riverside ca. 18 miles NW of Borrego Springs, SE of Terwilliger, in upper Coyote Canyon, north of Fig Tree Canyon. Comment
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Apr 13 2017
  RSA649328  Salvia columbariae T. W. Niilus 1970-3-16 N 69 Riverside Collected 3mi NW of Alberhill. 396 Comment
  SDSU7475  Salvia columbariae A. H. Gallup 1949-3-28 Riverside Palms to Pines Hwy, above Desert Center [interpreted to be Palm Desert], in dry wash, east slope, San Jacinto Mt. Range, Colorado Desert drainage area Comment
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Jan 30 2013
  UCR102701  Salvia columbariae B. G. Pitzer 1998-1-24 3384 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  CLARK-A1528-3117  Salvia greatae John C. Roos 1958-3-29 Riverside Coachella Canal Comment
  CAS-BOT-BC229983  Salvia mellifera C. L. Hitchcock 1966-3-16 24181 Riverside 1/4 mile w. of Aguanga Comment
  CLARK-A1528-588  Salvia mellifera Markell Kohn 1959-4-1 Riverside Riverside Comment
  RSA519252  Salvia mellifera Ed LaRue 1989-4-25 s.n. Riverside 5 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  UCR90981  Salvia mellifera Scott D. White 1996-3-16 3823 Riverside Perris Basin, Lakeview Mtns, north of Winchester, at 'Maze Stone' Picnic Site 610 Comment
  JOTR32354  Salvia mohavensis La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2469 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast of Quail Mountain and just west of Johnny Lang Mine; Previously burned loose, rocky, gravelly slope above large drainage (Stop 2) Comment
  RSA78309  Salvia pachyphylla subsp. pachyphylla P. A. Munz, B. K. Balls 1952-8-21 17995 Riverside Road, Vandeventer Flat to Santa Rosa Peak. 2073 Comment
  JEPS12757  Sambucus mexicana W. L. Jepson 1935-4-21 17157 Riverside near branch road to Pines; Aguanga 603 Comment
  RSA500108  Sambucus mexicana Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3663 Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
  UC28631  Sambucus mexicana H. M. Hall 1901-6 2517 Riverside vicinity of Strawberry Valley San Jacinto Mountains 1584 Comment
  UCR154730  Sambucus mexicana T. B. Salvato, Kent Beaman 2005-5-16 769 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-BC223223  Sanicula bipinnatifida John F. Green 2010-3-19 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region: Menifee area, c. 5.5 miles NE of Murrieta, powerline route c. 500 ft. south of 90 deg. bend in Briggs Rd. 427 Comment
  UC1929753  Sanicula bipinnatifida Scott D. White, Michael Honer 2003-4-2 8914 Riverside TEMESCAL CANYON: Just west of I-15 Freeway and northeast of Lawson Dr. Comment
  RSA221031  Sanicula crassicaulis E. W. Lathrop 1966-3-30 6123 Riverside Mail Divide Truck, Trail between El Carriso and Santiago Peak, Cleveland Nat l Forest 1220 Comment
  UCR91679  Sanicula crassicaulis Steve Boyd, Darin Banks 1995-3-30 8410 Riverside Agua Tibia Mountains, Palomar Range, Agua Tibia Wilderness Area; N flank of Agua Tibia Mtn, at W edge of the Dripping Springs alcove in tributary of Kolb Creek just east of old Woodchuck Truck Trail. 701 Comment
  UCR23393  Sanicula tuberosa John C. Roos 1950-4-22 4755 Riverside Summit of Reche Canyon. 765 Comment
  UCR91064  Sarcodes sanguinea Joan Callahan 1996-6-3 s.n. Riverside San Jacinto Mtns, southern Idyllwild, 26281 Lookout road, near Marion View Rd. 1616 Comment
  RSA206496  Saxifraga californica E. W. Lathrop 1969-5-8 7020 Riverside Los Alamos Canyon 1/2 mile E of San Mateo Canyon, Cleveland National Forest, Trabuco district. 518 Comment
  SD234790  Scandix pecten-veneris G. K. Helmkamp, E. A. Helmkamp 2008-3-22 13236 Riverside Sierra Nevada Mountains Foothills: along Mokelumne Vista Road at the junction with CA-49, just west of Mokelumne Hill village (Mokelumne Hill 7.5'Q) 479 Comment
  SEINET7862086  Schinus molle M. F. Barrus 1919-12-24 57 Riverside Riverside, Canyon, W slope of Box Springs Mts. Comment
  UCD92910  Schismus arabicus James B. Garner 1959-3-17 I Riverside 20 miles south Vidal Junction. Comment
  RSA0110188  Schismus barbatus Duncan S. Bell 2010-4-2 709 A Riverside Arica Mountains: west side of mountain range within the Palen/McCoy Wilderness; approximately 2.5 air miles northwest of Priest Well; collecting along a steep sand ramp at the head of the main western drainage for the mountain range. 559 Comment
  RSA777446  Schismus barbatus Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 969 Riverside Blythe-Rice Road, East/Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing 243 Comment
  UCR158724  Schismus barbatus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30030 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
  UCR41637  Schoenoplectus americanus A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6093 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  RSA289842  Schoenoplectus maritimus B. A. Prigge 1980-9-17 4072 Riverside Coachella Valley Stormwater Channel: E of Munroe St., Indio. -3 Comment
  POM184658  Scirpus acutus var. occidentalis L. C. Wheeler 1932-9-4 1337 Riverside Prado Basin: Santa Ana River at Chino Creek 183 Comment
  RSA575834  Scirpus acutus var. occidentalis Steve Boyd 1981-5-15 s.n. Riverside Gavilan Hills region, Temescal Canyon at the confluence of ''Estelle Creek'' and Temescal Creek, just northwest of the entrenched meander of Temescal Creek at the western Base of Estelle Mountain. 317 Comment
  SD122839  Scirpus microcarpus Steve Boyd 1985-8-7 1103 Riverside Santa Rosa Plateau region, northwest base of Redonda Mesa, on Tenaja Road, 0.8 mile east of junction with 8S01 and 8S 02. In moist swale-drainage along road. Comment
  OBI8388  Scrophularia californica David J. Keil, Malcolm McLeod 1977-3-26 12023 Riverside 0.7 mi W of jctn with Riverside county Rd R-3 (to Hemet) along Calif rte 79 549 Comment
  UCR41319  Scrophularia californica N. M. Fellows, A. C. Sanders 1985-5-7 180 Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  UCR93025  Scrophularia californica G. P. Schultz 1994-4-7 85 Riverside Box Springs Mtns, Big Springs Canyon and N on the crest to Two Trees Canyon (S side) Comment
  UCSB46710  Scrophularia californica Reimer, Neil 1977-5-13 Riverside In Box Springs Mt. Park Comment
  RSA282932  Scrophularia californica subsp. floribunda C. W. Tilforth, B. Busenberg 1980-4-17 2017 Riverside Open slope south of Toolbox Spring Campground along Thomas Mtn. Rd., south of Lake Hemet, west of Hiway 74. Comment
  RSA544386  Scrophularia californica subsp. floribunda Steve D. Boyd, Tim S. Ross 1991-6-14 6401 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Springs. Comment
  CAS-BOT-BC237865  Scrophulariaceae Elizabeth McClintock 1964-4-8 s.n. Riverside Snow Canyon, east side of Mt. San Jacinto Comment
  SEINET156173  Scutellaria angustifolia Norman C. Cooper 1944-7-16 1540 Riverside San Jacinto Mtn., Pine Cove. 1524 Comment
  UC25798  Scutellaria bolanderi subsp. austromontana H. M. Hall 1897-7-17 696 Riverside San Jacinto River; San Jacinto Mountains, San Jacinto River 762 Comment
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Dec 28 2006
  POM122461  Scutellaria siphocampyloides Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
  UCR211727  Secale cereale Fred M. Roberts 2005-5-19 6204 Riverside Perris Basin, San Jacinto Valley, city of San Jacinto, east of Sanderson Road and south of the Ramona Expressway, 2.6 km south-southwest of Gilman Hot Springs 446 Comment
  RSA206255  Sedum niveum Reid V. Moran 1968-8-3 15365 Riverside NE slope of Santa Rosa Mountain 2250 Comment
  RSA559463  Selaginella bigelovii Steve Boyd, T. S. Ross 1992-5-4 7204 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  UC306718  Selaginella bigelovii S. B. Parish 1918-4-3 11689 Riverside Oak Lodge; San Jacinto River canyon 914 Comment
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Nov 20 2011
  UCR135835  Selaginella bigelovii A. C. Sanders 2004-4-20 27538 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
  POM12933  Selaginella watsonii Philip A. Munz 1922-6-27 5869 Riverside Toro Peak, Santa Rosa Mountains 2529 Comment
  RSA612914  Selaginella watsonii Louis Cutter Wheeler 1931-10-3 176 Riverside Tahquitz Peak, San Jacinto Mts. 2621 Comment
  CAS-BOT-BC536070  Senecio O. F. Clarke 2003-12-29 s.n. Riverside Peninsular Range: Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 350 Comment
  HSC85281  Senecio californicus Steve Boyd 1986-5-1 1822 Riverside S slopes of Bachelor Mtn, E end of Lake Skinner Comment
  SEINET7073432  Senecio californicus A. G. Vestal 1963-4-25 s.n. Riverside About 6.8 miles south of Sage on Route 3. Coordinate datum: NAD27. Comment
  CHSC7465  Senecio flaccidus var. douglasii Robert Ediger 1966-8-11 531 Riverside Along C. 71; 5 miles N.W. of Alberhill. Roadside. Comment
  RSA0124177  Senecio flaccidus var. douglasii N. C. Cooper 1944-7-15 1605 Riverside Palms to Pines Hwy. 1220 Comment
  JOTR34397  Senecio flaccidus var. monoensis Andre, Jim 2012-4-16 20930 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 2.4 miles north Cottonwood Visitor's Center 955 Comment
  CLARK-A1528-2086  Senecio mohavensis John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  RSA0025284  Senecio mohavensis J. Andre 2013-3-4 23874 Riverside Riverside Mountains; east side of range, along rocky dirt road to historic mine area, 0.8 miles west of Hwy 95, approx 12 miles south of Vidal Junction. 127 Comment
  JOTR34185  Senecio vulgaris La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3235 Riverside Joshua Tree National Park. West of Queen Mountain, southern end of Wonderland of Rocks; Wonderland Wash, north of Mill Street Mine parking area. Active wash corridor with sandy bottom and surrounded by granitic outcrops and pediments; with heavy foot traffic (Stop 1) 1297 Comment
  SBBG124871  Sequoia sempervirens S. C. White, J. M. Wood 2009-5-22 12922 Riverside Halfway Spring, accessed via Old Control Rd 1159 Comment
  UC68551  Sesuvium verrucosum H. M. Hall Apr. 1905 5968 Riverside Paloverde Valley; Colorado Desert, Paloverde Valley 76 Comment
  UCR201853  Setaria parviflora Justin M. Wood 2008-9-30 167 Riverside SW Perris Basin, Temecula/Murrieta Creek, downstream of 1st Street bridge 305 Comment
  SEINET239052 Image available Setaria verticillata T. B. Salvato, A. C. Sanders 2000-4-27 63 Riverside Coachella Valley; between Filmore and Buchanon on Avenue 56. Comment
  RSA673496  Sidalcea malviflora subsp. sparsifolia Scott D. White, Sandy Leatherman 2000-4-19 7662 Riverside Santa Ana Mountains/Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east-and north-facing slopes. 640 Comment
  UCR156361  Silene gallica T. B. Salvato, Kent Beaman 2005-5-16 872 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
  UCR116859  Silene multinervia A. C. Sanders, Steven R. Hill 2001-5-4 24130 Riverside Santa Ana Mtns. region, W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Creek. Dr.), E side of Rancho Calif. Rd. 488 Comment
  UC64149  Silene parishii H. M. Hall July, 1901 2549 Riverside Fuller's Mills Mountains San Jacinto Mountains, Fuller's Mills Mountains 2194 Comment
  RSA506436  Silene verecunda subsp. platyota Kathy Harper 1988-6-11 s.n. Riverside San Jacinto Mountains, on Thomas Mtn Rd., S of Thomas Mtn. Lookout. Comment
  CAS-BOT-BC202939  Simmondsia chinensis Ivan Johnston 1917-4-4 1081 Riverside Palm Canyon 365 Comment
  CAS-BOT-BC202950  Simmondsia chinensis James R. Shevock 1978-4-8 5776 Riverside Along California highway 195 just off Interstate 10 near Chiriaco Summit. Base of Orocopia Mountains, Colorado Desert 396 Comment
  RSA305798  Simmondsia chinensis James R. Shevock 1970-12-13 564 Riverside White Tank; Joshua Tree. 1175 Comment
  RSA76033B  Simmondsia chinensis F. W. Peirson 1920-6-23 2806 Riverside Aguanga. 610 Comment
  SBBG71063  Simmondsia chinensis R. Hoffmann 1929-2-9 Riverside Mecca-Blythe Comment
  UCD166273  Simmondsia chinensis Jack Major 1962-4-17 787 Riverside On CA HWY 74 from Pinyon Flat to Palm Desert. (Exact location unknown. Coordinates estimated by label maker.) 900 Comment
  CAS-BOT-BC74911  Sinapis arvensis H. K. Wagnon 1944-3-8 311 Riverside West side of stream about 100 yards south of Trading Post, Palm Canyon. Comment
  GMDRC6571  Sisymbrium altissimum J. M. Andre 2012-6-15 30527 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
  RSA0013620  Sisymbrium altissimum LeRoy Gross, Duncan S. Bell 2013-4-30 6027 Riverside Surveyed from Apela Drive, right at junction of road to sewage disposal ponds, south to Strawberry Creek. Started near 33.73367N, 116.75074W. And ended at 33.72912N 116.75098W. 1510 Comment
  SD54449  Sisymbrium altissimum Reid Moran 1962-7-7 9866 Riverside By Strawberry Creek, 2.0 miles southwest of Idyllwild, San Jacinto Mountains. 1550 Comment
  UCR182529  Sisymbrium irio Mitch Provance 2005-5-17 6581 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  SEINET10448758  Sisymbrium irio Billy Joe Cox 1975-4-23 Cox 4128 Riverside Palo verde, 1.3 km w, 32 mi. S. Of blythe; creosote desert scrub; sandy and gravelly entisols. 70 Comment
  UCR241177A  Sisymbrium officinale Tracy Tennant, Jeffrey Ross 1998-6-23 MOR- 507 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  CAS-BOT-BC75425  Sisymbrium orientale Scott D. White 1996-4-14 3908 Riverside Perris Basin. East of Hemet. San Jacinto River Wash near Valle Vista. 550 Comment
  SD137825  Sisymbrium orientale Darin L. Banks, Steve Boyd 1995-5-3 228 Riverside Clevela