Search Results — 2000 specimen records retrieved (1897 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  JEPS47973  Abies concolor W. L. Jepson and H. M. Hall 1901-5-19 1304 Riverside Strawberry Valley Southern California, Mt. San Jacinto, Strawberry Valley Comment
  RSA519122  Abies concolor F. C. Vasek, K. Neisses 1979-7-26 790726 -4 Riverside Santa Rosa Mountains, N of Toro Peak at Virgin Spring Comment
  UCR64827  Abies concolor Frank C. Vasek, K. Neisess 1979-7-26 790726- 08 Riverside Santa Rosa Mtns., Stump Spring Campground 2348 Comment
  CSUSB1086  Abronia villosa K. A. Lamb 1968-4-29 690429 8 Riverside East side of San Jacinto River Wash on Main Street, San Jacinto, near Soboba Hot Springs Golf Course. Comment
  OBI18608  Abronia villosa Robert F. Hoover 1969-4-14 11232 Riverside Palm Springs, just S of S city limit Comment
  POM279283  Abronia villosa Lyman Benson 1933-3-31 4155 Riverside US 66 [actually US 60], 10 mi E of Banning. 457 Comment
  RSA340185  Abronia villosa Robert F. Thorne, W. A. Tilforth 1980-5-28 54181 Riverside San Bernardino Mountains: Whitewater ridge above old bridge. Comment
  SBBG69827  Abronia villosa R. Hoffmann 1929-9-4 Riverside Hemet, San Jacinto River Comment
  UC1392988  Abronia villosa R. F. Hoover 1969-4-14 11232 Riverside Just s of s city limit; Palm Springs Comment
  UCR233709  Abronia villosa Duncan S. Bell 2010-5-1 870 Riverside Sonoran (Colorado) Desert, Arica Mountains, c. 11 air miles west of Rice, at the junction of Hwy 62 and the aqueduct access road 242 Comment
  GMDRC6584  Abronia villosa var. aurita J. M. Andre 2012-6-15 30546 Riverside San Jacinto Mountains: west slopes of range along Poppet Flat Rd, Poppet Creek canyon, 3.2 mi. west of Hwy 243 1022 Comment
  RSA78301  Abronia villosa var. aurita P. A. Munz, E. K. Balls 1952-8-21 17989 Riverside Head of Hemet Valley 1494 Comment
  SD143825  Abronia villosa var. aurita Scott D. White 1997-5-25 5221 Riverside Bautista Canyon, along Bautista Canyon Rd. ca. 1.3 miles northwest of Hixon Trailhead. 700 Comment
  UC1922010  Abronia villosa var. aurita Scott D. White, Angelia Carey 2004-4-5 9978 Riverside SAN JACINTO MTN FOOTHILLS: North of Valle Vista. Indian Creek Watershed. Comment
  UCD109810  Abronia villosa var. aurita R. N. Raynor 1933-3-31 s.n. Riverside Colorado desert, east of Palm Springs. Comment
  POM294038  Abronia villosa var. villosa Lyman Benson 1945-3-29 11640 Riverside 2 miles south of Whitewater. 366 Comment
  SEINET937284  Abronia villosa var. villosa Leo A. Galloway 1970-1 1228 Riverside 23.5 miles southeast of Twentynine Palms in Joshua Tree National Monument. Comment
  SD146226  Abutilon theophrasti A. C. Sanders, Mitch Provance 1999-9-26 23105 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. southeast of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring. 433 Comment
  UCR6390  Abutilon theophrasti O. F. Clarke 1967-6-9 s.n. Riverside Riverside, O.F. Clarke residence at 1012 Spruce Street 366 Comment
  UCR178532  Acacia greggii R. G. Swinney 1967-5-26 148 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 381 Comment
  RSA414901  Acacia greggii var. arizonica Ora M. Clark 1929-3-17 1748 Riverside S. La Quinta. Comment
  RSA414915  Acacia longifolia Edwin Kline 1925-2-28 14848 Riverside Near Riverside. Comment
  RSA416167  Acamptopappus sphaerocephalus var. sphaerocephalus Robert Gustafson 1980-5-5 1575 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon wash. 610 Comment
  RSA6649  Acamptopappus sphaerocephalus var. sphaerocephalus Carl B. Wolf 1932-5-25 3681 Riverside San Gorgonio Wash, on road to Snow Creek 366 Comment
  SBBG28548  Acamptopappus sphaerocephalus var. sphaerocephalus D. Myrick 1964-4-30 822 Riverside Palms to Pines (St Hwy 74), 10 mi W of Palm Desert 1066 Comment
  UCR196003  Acamptopappus sphaerocephalus var. sphaerocephalus R. F. Thorne 1966-10-15 41805 Riverside Colorado Desert: Western Colorado Desert region/San Jacinto Mountains, Dead Indian Canyon, near Palm Desert at foot of Palms to Pines Hwy 366 Comment
  CAS-BOT-BC218715  Achnatherum coronatum S. B. Parish; W. F. Parish 1882-5-1 872 Riverside Foothills of the San Bernardino Mts. Comment
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Aug 31 2019
  SBBG57049  Achnatherum occidentale subsp. occidentale R. Hoffmann 1929-9-6 Riverside San Jacinto Mtns 2438 Comment
  CHSC26095  Achnatherum parishii Dieter H. Wilken 1965-6-29 387 Riverside West end of the Hemet Valley (Garner Valley) near lake Hemet San Jacinto Mtns. 1371 Comment
  NY1084567  Achyronychia cooperi N. H. Holmgren 1973-3-22 6469 Riverside Rice Valley, 7 miles south-southwest of Rice 274 Comment
  PASA1307  Achyronychia cooperi 1926-2-21 Riverside Thousand Palms Comment
  RSA423491A  Achyronychia cooperi Anstruther Davidson 1983-4-10 s.n. Riverside Palm Springs. Comment
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Mar 20 2013
  RSA782193  Achyronychia cooperi Duncan S. Bell 2011-10-22 2980 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  SEINET3156338  Achyronychia cooperi L. A. Greata 1905-1 497 Riverside Colorado desert Comment
  UCR166010  Achyronychia cooperi Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  SD133089  Acmispon glaber Scott White 1991-3-22 Riverside Los Alamos Road, ca. 2 mi. W of I-215 exit, by road; just E of the city of Murrieta, between Murrieta & I-215. 366 Comment
  JOTR34088  Acmispon glaber var. brevialatus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2936 Riverside Joshua Tree National Park. Little San Bernardino Mountains: North side of Quail Mountain; steep bouldery slopes between drainages Comment
  UCSB26908  Acmispon grandiflorus Wilken, Dieter 1969-6-30 Riverside Dark Canyon along County Road R1, 7.0 miles north of Idyllwild, San Jacinto Mtns. Comment
  SD29584  Acmispon grandiflorus var. grandiflorus Darley F. Howe 1941-6-9 1103 Riverside San Jacinto Mountains 1219 Comment
  SD67917  Acmispon nevadensis var. nevadensis Reid Moran 1968-8-3 15370 Riverside North slope, 1.0 mile west of Summit, Santa Rosa Mountain. 2150 Comment
  CAS-BOT-BC226246  Acmispon strigosus A. C. Sanders 2011-4-6 38995 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
  SBBG68085  Acmispon strigosus M. N. Ackley -Feb-1926 543 Riverside near Edom 64 Comment
  SBBG18424  Adenophyllum porophylloides M. A. Piehl 1963-6-1 63533 Riverside St Hwy 74, ca. 7.6 mi NE of Pinyon Flat Cmpgrd, S of Palm Desert 731 Comment
  UCR139641  Adenostoma fasciculatum A. C. Sanders 2004-6-30 28391 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  UCR174954  Adenostoma fasciculatum Jennifer H. Jones 2006-6-6 383 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; San Juan Loop Trail 'head 598 Comment
  IRVC29859  Adenostoma sparsifolium Mark A. Elvin 2004-10-12 3812 Riverside S of Idyllwild, N of Mountain Center along Hwy 243. San Jacinto Moutnains 1524 Comment
  CAS-BOT-BC69647  Adiantum capillus-veneris Elmer I. Applegate 1892-4-23 829 Riverside E. Riverside. Comment
  SEINET2046271 Image available Agave deserti John Adams 1965-5-9 204 Riverside Santa Rosa Mountains, Hwy 74, ca. 8 mi. S of Palm Desert 915 Comment
  RSA221016  Agoseris retrorsa E. W. Lathrop 1966-5-29 6393 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak. Cleveland National Forest 1220 Comment
  UCR26995  Agoseris retrorsa E. W. Lathrop 1966-5-29 6393 Riverside Peinsular Range; Santa Ana Mtns, Cleveland National Forest, Main Divide Truck Trail between El Carriso and Santiago Peak 1223 Comment
  RSA0050598  Agrostis A. C. Sanders, Mitch Provance 2008-7-11 35808 Riverside Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station, In moist soil along dried stream crossing on Coldwater Trail, at 42.709 N, 42.404 W. 1450 Comment
  UC1130644  Agrostis alba H. S. Yates 1936-8-29 6374 Riverside Idlewild San Jacinto Quadrangle Comment
  SD127981  Agrostis exarata Michael Curto 1989-8-6 602 Riverside San Jacinto Mountains, Fuller Ridge Trail. At springy north headwaters of Fuller Mill Creek. 2695 Comment
  UCR2126  Agrostis idahoensis F. M. Reed 1908-7-11 2500 Riverside San Jacinto Mtns., trail to San Jacinto Peak 2927 Comment
  SEINET10467647  Agrostis oregonensis David B. Dunn 1946-8-17 Dunn 2707 Riverside Found in dry soil of taquitz valley in the san jacinto mts. Comment
  UCR96425  Agrostis pallens Scott D. White 1996-8-1 4425 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  POM126263  Aliciella latifolia Martha Hilend 1927-4-2 s.n. Riverside Box Canyon near Shaver's Well, Colorado Desert. Comment
  RSA0121063  Aliciella latifolia Duncan S. Bell, Thomas Stoughton 2016-3-16 8948 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central/southeastern section of range, approximately 2.5 air miles north of Gucci Spring. 511 Comment
  JEPS20771  Allenrolfea occidentalis Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13255 Riverside 8 mi. n. Blythe (on Hwy. U.S. 95) Comment
  UCR208853  Allionia incarnata Scott D. White 2001-4-17 8331 Riverside Sonoran (Colorado) Desert, Shavers Valley, north of the I-10 Freeway, c. 16 miles east of Indio junction of I-10 and Calif. 111, near powerline access roads at unnamed freeway exit accessing pump station 518 Comment
  UCR237637  Allionia incarnata Duncan S. Bell 2010-3-20 636 Riverside Riverside Mountains, in the vicinity of Mountaineer Mine, c. 2 air mi northeast of Riverside Mountain Peak 215 Comment
  CLARK-A1528-2791  Allium fimbriatum John C. Roos 1941-5-10 129 Riverside Santa Rosa Mountains Comment
  RSA262115  Allium haematochiton E. W. Lathrop 1971-3-24 7487 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  RSA70222  Allium haematochiton F. W. Peirson 1921-3-19 2394 Riverside 4 miles west of Beaumont, on road to Redlands. Comment
  UC1608290  Allium lacunosum var. kernense Steve Boyd, Tim Ross 1992-5-15 7386 Riverside along old Main Divide Road track about 1/4 mi se radio towers (se flank of Elsinore Peak at Onion Hill); Southern Santa Ana Mountains, Elsinore Peak, Onion Hill 1021 Comment
  UCR144117  Allium munzii Scott D. White, Kurt Cambell, John Resek 2000-4-26 7736 Riverside Santa Ana Mtns, Lake Elsinore area, low hill west of intermittent channel (drains Walker Canyon). SW of Collier Ave. and NW of Riverside Dr. 412 Comment
  UCR42165  Allium munzii Steve Boyd 1986-4-22 1781 Riverside Gavilan Hills, Summit of Estelle Mountain. 841 Comment
  RSA180313  Allium peninsulare var. peninsulare E. W. Lathrop 1965-4-30 5699 Riverside 5 miles W of Murrieta. Alt 2000ft 610 Comment
  UCR133100  Allium roseum A. C. Sanders 1999-4-28 22709 B Riverside Riverside, UCR Botanic garden 351 Comment
  RSA87940  Allophyllum glutinosum Verne Grant 1954-6-10 9395 Riverside Just above Garnet Queen Mine on Santa Rosa Mt. 1829 Comment
  SD107766  Allophyllum glutinosum C. W. Tilforth, B. Busenberg 1980-6-10 1978 Riverside 0.1 mile in from Highway 74 on north leg ot Thomas Mountain Road, 1.0 mile south of Lake Hemet. 1387 Comment
  CAS-BOT-BC170131  Alnus rhombifolia Ivan Johnston 1917-4-4 1103 Riverside Andreas Canon [canyon] 274 Comment
  SEINET10904656  Alnus rhombifolia James S. Miller 1992-5-8 Miller 7470 Riverside San Jacinto Mountains. 11 mi E of W boundary of San Bernadino National Forest on California route 74. 1300 Comment
  UCR95252  Aloe saponaria D. L. Banks, E. H. Banks 1996-5-2 952 Riverside Agua Tibia Mountains, NW Palomar Mountains; NW foothills of Dorland Mtn, S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage 524 Comment
  RSA356993  Alopecurus saccatus R. F. Thorne 1973-5-23 43848 Riverside Santa Rosa Plateau: Desiccated margin of large vernal pool N side of Mesa de Colorado 609 Comment
  CSUSB1010  Althaea rosea Eric Trubschenck 1972-5-10 19 Riverside Undeveloped lot on northeast corner of Park and 7th Streets. 271 Comment
  POM48599  Amaranthus blitoides Mary F. Spencer 1919-7-9 1270 Riverside In sandy fields. San Jacinto. 305 Comment
  SD251167  Amaranthus palmeri Duncan S. Bell, John Anderson, et al. 2013-9-28 6020 Riverside Chuckwalla Valley; ca. 22.25 air miles west of Blythe, south side of Ford Dry Lake, ca. 0.5 air mile southeast of Hopkins Well. 106 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
  UCR100211  Ambrosia acanthicarpa Scott D. White 1996-12-26 4640 Riverside Perris Basin, Perris area 442 Comment
  JEPS40973  Ambrosia dumosa W. L. Jepson 1928-4-25 12588 Riverside The driest and most arid hills Cottonwood Spring; Colorado Desert, Joshua Tree National Monument, Eagle Mounta 731 Comment
  LA31364  Ambrosia dumosa Jane Turner; Barbara Whitesel, Virginia Sjaholm 1959-3-21 C- 177 Riverside Morongo Wash Comment
  POM6766  Ambrosia dumosa Philip A. Munz 1919-5-7 2733 Riverside Palm Springs 198 Comment
  SD218270  Ambrosia dumosa Carol R. Annable 1995-3-10 2261 Riverside 1.6 km south of Lake Cahuilla County Park. Comment
  UCR241286  Ambrosia dumosa Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 54 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 Comment
  RSA596675  Ambrosia psilostachya Darin L. Banks, Lauren Raz 1996-11-5 1184 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, S of San Gabriel Church; Along a newly established firebreak along a NW-SE running ridgeline, near the water tank. 402 Comment
  UCR172613  Ambrosia pumila A. C. Sanders, John F. Green 2006-5-18 32373 Riverside Temecula/Murrieta Region, SE of Murrieta Hot Springs along San Diego Aqueduct and powerline route, south of intersection of Chandler and Suzi Rds. and south of Murrieta Hot Springs Rd., side canyon dropping toward Santa Gertrudis Creek, 1 mile SW of Skunk Hollow 366 Comment
  UCR167064  Ambrosia salsola Scott D. White 2005-3-29 10839 Riverside San Gorgonio Pass, Cabazon: alluvial fan and benches west of San Gorgonio river and south of I-10 fwy. west of existing gravel quarry, likely to be proposed for quarry expansion 598 Comment
  RSA0065861  Ambrosia salsola var. salsola Cheryl Sevilla, Sarah J. De Groot 2015-3-16 23 Riverside Transverse Ranges, San Bernardino Mountains region: San Gorgornio Wilderness Area; just west of Mission Creek; 0.7 miles northwest of the Stone House. 819 Comment
  SD216462  Ambrosia salsola var. salsola Carol R. Annable 1995-3-10 2263 Riverside 1.6 kilometers South of Lake Cahuilla County Park. Comment
  RSA156027  Amorpha californica P. H. Raven 1962-5-18 17752 Riverside [Santa Ana Mountains] Main Divide truck trail 2.9 miles south of Santiago Peak. 1234 Comment
  UCR147898  Amorpha californica var. californica Dave Goodward 2002-6-30 s.n. Riverside San Bernardino Valley Region, along Reche Canyon Road, c. 2 miles from Moreno Valley end 549 Comment
  UCR208861  Amorpha fruticosa L. C. Wheeler 1932-7-9 0939 Riverside Santa Ana River Canyon 3 miles below Prado 137 Comment
  UCR25986  Amorpha fruticosa var. occidentalis John C. Roos 1947-5-10 3614 Riverside San Bernardino Valley/Perris-Aguanga Basin Region, 3 mi SE of Console Spring, north of Sunnymead Comment
  JEPS61126  Amsinckia intermedia W. L. Jepson 1939-4-17 19127 Riverside n end Temescal Canyon, near Twin Springs; Temescal Canyon 274 Comment
  RSA487452  Amsinckia intermedia Bill Wagner 1988-3-9 s.n. Riverside Grain field at Benton Rd. and San Diego aqueduct, 1/2 mile E of Winchester Rd., NE of Murrieta. 412 Comment
  SD124728  Amsinckia intermedia A. C. Sanders, Pitzer, Charlton, Kniffen, Stewart 1986-3-2 6050 Riverside Chuckwalla Bench, south side of the Chuckwalla Mountains, on the Bradshaw Road, ca. 2 miles east of the gasline road 640 Comment
  UCD119282  Amsinckia intermedia N. Miles Fellows 1985-3-16 102 Riverside Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mile W of Snow Creek Village. 487 Comment
  RSA0089616  Amsinckia intermedia P. A. Munz, R. D. Harwood 1920-3-20 3381 Riverside 5 miles S of Corona. 305 Comment
  RSA499877  Amsinckia menziesii E. A. McGregor 1965-4-20 s.n. Riverside Near Aguanga, along Rt. 79. Comment
  RSA0104452  Amsonia tomentosa Duncan S. Bell, Sarah DeGroot, Cheryl Sevilla 2015-3-5 7761 Riverside Chuckwalla Mountains; a side canyon off of Irish Wash, approximately 1.5 air miles southwest of Aztec Well. 696 Comment
  CAS-BOT-BC272870  Ancistrocarphus filagineus Steve Boyd 1986-5-1 1791 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow Comment
  UCR172206  Anemopsis californica John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley: Leon Road (San Diego Aqueduct right of way) from Borel Road/Tucalota Creek S for c. 0.25 mi 427 Comment
  RSA77439  Angelica tomentosa F. W. Peirson 1924-7-29 5024 Riverside Open Mountain slope on road from Banning to Idyllwild, San Jacinto Mountains. 1677 Comment
  UC20795  Angelica tomentosa H. M. Hall July, 1901 2557 Riverside San Jacinto Mountains, Fuller's Mills Mountains Fuller's Mills Mountains; San Jacinto Mountains, Fuller's Mills Mountains 2133 Comment
  JEPS22835  Anisocoma acaulis P. A. Munz and I. M. Johnston 1922-5-19 5418 Riverside Hemet Valley; San Jacinto Mts. 1386 Comment
  SEINET10721346  Antennaria David B. Dunn 1946-8-18 Dunn 2760 Riverside On dry gravely soil on ridge overlooking round valley where the trail forks going to Round valley & to Peak; but 50 feet farther up trail. 2743 Comment
  CAS-BOT-BC79932  Antennaria microphylla H. M. Hall 1901-7-1 2401 Riverside Tamarack Valley 2834 Comment
  RSA0125290  Antirrhinum coulterianum Duncan S. Bell 2016-3-3 8776 Riverside Whitewater Canyon; San Gorgonio Wilderness area; Rainbow Canyon, approximately 3.5 air miles east northeast of Kitching Peak. 820 Comment
  UCR81110  Antirrhinum coulterianum Scott D. White 1993-5-29 1455 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1220 Comment
  RSA425818  Antirrhinum filipes F. R. Fosberg 1932-3-13 8084 Riverside Thousand Palms Canyon, Coachella Valley. Comment
  JEPS83383  Antirrhinum nuttallianum subsp. nuttallianum David M. Thompson 1983-5-10 300 A Riverside Railroad Canyon road , Elsinore Quad. (7.5', 1953) (Lake Elsinore) 548 Comment
  RSA543158  Antirrhinum nuttallianum subsp. nuttallianum Steve D. Boyd, Tim S. Ross, Mike Hammit 1991-5-2 6088 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  UCR158514  Apiastrum angustifolium A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30021 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
  JEPS16039  Apium graveolens H. M. Hall May 17 1901-June 1, 1901 Riverside Riverside, Journey from Riverside to Santa Rosa Peak and Palomar, Southern California Riverside Comment
  UCR172003  Arabidopsis thaliana A. C. Sanders 2006-5-1 32248 Riverside Riverside, south side of UCR campus behind botany greenhouses 366 Comment
  UC216812  Arabis glaucovalvula H. M. Hall May 1905 6019 Riverside Cottonwood Springs Colorado Desert Comment
Read comments
Oct 9 2010
  RSA297318  Arceuthobium campylopodum Larry E. DeBuhr 1972-3-23 514 Riverside Santa Rosa Mtns. San Bernardino National Forest. On Santa Rosa peak, growing on Pinus Jefferyi. 2439 Comment
  SEINET6630449  Arceuthobium campylopodum N. Cooper 1944-7-16 1547 Riverside San Jacinto Mountians. Pine Cove 1524 Comment
  RSA629144  Arctostaphylos Jon E. Keeley 1992-7-16 16636 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  RSA629158  Arctostaphylos Jon E. Keeley 1992-7-17 16788 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  RSA629174  Arctostaphylos Jon E. Keeley 1992-7-17 16793 Riverside Road to Thomas Mountain (5S15), 5.2 km north of Toolbox Spring. 1840 Comment
  UCR277896  Arctostaphylos glandulosa A. C. Sanders, Amy Litt, Yi Huang 2017-2-1 42674 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, along Tenaja Rd. at north foot of Redonda Mesa, 0.65 km west of intersection with Corona Calle Camino 680 Comment
  RSA263738  Arctostaphylos glandulosa subsp. zacaensis E. W. Lathrop 1968-5-22 6901 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  LA42413  Arctostaphylos glauca D. Dunn; 1941-1-12 674 Riverside opposite the Hemet Ranger Station Comment
  RSA586156  Arctostaphylos glauca D. L. Banks, S. D. Boyd 1995-3-30 0121 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, E of the Woodchuck Trail. 707 Comment
  RSA592674  Arctostaphylos glauca Scott D. White, D. Haselfeld 1996-7-2 4251 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
  RSA631723  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19292 Riverside Highway 79, at Radec. 580 Comment
  RSA631804  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16513 Riverside Red Mountain Road, 1 km east of R3. 820 Comment
  RSA631812  Arctostaphylos glauca Jon E. Keeley 1992-9-27 21802 Riverside Highway 74 at Pinyon Flats, southwest of Palm Desert. 1290 Comment
  RSA631817  Arctostaphylos glauca Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20164 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  SBBG5436  Arctostaphylos glauca H. and M. Dearing 1937-11-27 1260 Riverside Palms to Pines Hwy Comment
  SD7734  Arctostaphylos glauca J. C. Nevin 1884-1 Riverside San Jacinto Mtns. Comment
  POM310591  Arctostaphylos glauca var. glauca G. Mansfield-Jones 1956-04 s.n. Riverside Joshua Tree National Monument along road to Juniper Flats 1463 Comment
  RSA633532  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20162 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633553  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21795 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633561  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16625 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  RSA635199  Arctostaphylos parryana subsp. tumescens Jon E. Keeley 1992-7-17 16776 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  POM122257  Arctostaphylos pringlei subsp. drupacea Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  RSA635688  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-16 16606 Riverside Hwy 371 & Burnt Valley Rd, San Jacinto Mtns. Comment
  SD232672  Arctostaphylos pringlei subsp. drupacea Scott D. White 1996-8-1 4426 Riverside San Jacinto Mts.; Idyllwild area: Hwy 243 at Deer Springs trailhead and adjacent area. S facint mountainside. 1707 Comment
  UCR3712  Arctostaphylos pringlei subsp. drupacea Frank C. Vasek 1964-7-26 640726- 03 Riverside Peninsular Range; San Jacinto Mtns., at Pine Cove Comment
  RSA635808  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16547 Riverside Red Mountain Road, 9.5-10.3 km east of R3. 1050 Comment
  RSA636005  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19552 Riverside Carancho Rd., W. of Temecula. 440 Comment
  RSA636007  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19554 Riverside Carancho Rd., W. of Temecula. 440 Comment
  RSA636011  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19559 Riverside Carancho Rd., W. of Temecula. 440 Comment
  UC852373  Arenaria macradenia var. macradenia P. A. Munz 1922-6-23 5789 Riverside 2 mi below Kenworthy; San Jacinto Mts., Hemet Valley 1371 Comment
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Mar 25 2011
  UC1040951  Argemone munita Gerald B. Ownbey and Findley Ownbey 1954-5-22 2112 Riverside 2.8 mi se Palm Springs Comment
  RSA434321  Argemone munita subsp. argentea H. de Forest 1924-4-18 s.n. Riverside Palm Springs. Comment
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Aug 27 2011
  CAS-BOT-BC137664  Aristida adscensionis S. B. Parish 1912-10-8 8274 Riverside Salton Basin. New Schoolhouse, Indio. -6 Comment
  LA9309  Aristida adscensionis Louis C. Wheeler; 1931-11-26 373 Riverside Salton Bench Mark -15 Comment
  OBI75985  Aristida adscensionis James M. Andre 2011-2-9 15906 Riverside Mecca Hills; along Box Cyn Rd at upper end of gorge, approx 6 mi SSE of jctn with I-10, approx 12 mi W of Chiraco Summit 284 Comment
  UCD56395  Aristida adscensionis Ira L. Wiggins 1941-3-27 9676 Riverside south end of Coxcomb Mountains, 8 miles northeast of Desert Center. Comment
  CAS-BOT-BC137654  Aristida adscensionis J. A. Ewan 1932-4-11 7089 Riverside Santa Rosa Mountains. Martinez Canyon. 365 Comment
  SEINET10467838  Aristida adscensionis David B. Dunn 1946-3-15 Dunn 2026 Riverside Collected on dry plateau in vicinity of pushawalla canyon, indio hills. Sparse Desert scrub of larrea and franseria, with palms at the springs in the canyon. Comment
  RSA659618  Aristida purpurea J. C. Roos 1965-8-15 s.n. Riverside Gilman Hot Springs, San Jacinto Valley. Comment
  CAS-BOT-BC137592  Aristida purpurea var. fendleriana Peter H. Raven 1958-5-18 13003 Riverside San Jacinto Mountains. Pinyon Flats. Comment
  SEINET191857 Image available Aristida purpurea var. nealleyi C. L. Hitchcock 1940-3-30 5871 Riverside Cottonwood Spring Comment
  SEINET10933044  Aristida purpurea var. nealleyi Charles L. Hitchcock 1940-3-30 Hitchcock 5871 Riverside Cottonwood Spring. Comment
  CAS-BOT-BC90193  Artemisia californica Vernon O. Bailey 1907-10-24 s.n. Riverside Cabazon Comment
  RSA778133  Artemisia californica Thomas Stoughton, E. Gardner, Duncan S. Bell 2010-11-12 718 Riverside PCT Trail. W of White Water Canyon. N of jct of I-10 and Rte 111. 732 Comment
  UC2015543  Artemisia californica A. C. Sanders with P. MacKay, G. MacKay, A. Knapp and C. Sanders 1995-2-19 15936 Riverside San Bernardino Mountains/Coachella VAlley, Mission Canyon, 1.75 mies above highway 62. Comment
  SEINET7856270 Image available Artemisia californica M. F. Barrus 1919-11-24 18 Riverside W slope of Box Springs Mts. Comment
  CAS-BOT-BC93731  Artemisia ludoviciana subsp. albula S. B. Parish 1918-4-3 11699 Riverside Oak Lodge, mouth San Jacinto River Comment
  UC1080341  Artemisia ludoviciana subsp. albula E. K. Balls and P. C. Everett 1957-11-4 22747 Riverside about old Fish Hatchery; n base San Jacinto Mts, Snow Creek 701 Comment
  RSA417414  Artemisia tridentata Gary D. Wallace 1964-4-26 s.n. Riverside San Jacinto Mountains, desert side Comment
  SD229068  Artemisia tridentata Dick Schwenkmeyer 2012-3-26 677 Riverside Mt. San Jacinto area: Lake Hemet (site #4), Highway 74, sloping hillside 1317 Comment
  RSA70039  Arthrocnemum subterminale F. W. Peirson 1922-5-19 3068 Riverside 2 miles southeast of Perris Comment
  SEINET10513656  Arundo donax David B. Dunn 1946-3-17 Dunn 2103 Riverside Collected at the lower end of the springs at pushawalla where the springs are Disappearing in the sand. Indio hills. Comment
  SEINET955313  Asclepias eriocarpa Louis B. Ziegler 1964-1 36 Riverside San Jacinto Mountains. Garner (Hemet) Valley. 1402 Comment
  SDSU2736  Asclepias erosa D. F. Howe 1963-5-15 3482 Riverside 18 miles east of Desert Center on U.S. 60 or 70. 152 Comment
  RSA180254  Aspidotis californica E. W. Lathrop 1959-4-2 4425 a Riverside 18 miles west of Murrieta. 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
  UCR261103  Aspidotis californica Joseph Cahill 2011-1-8 111- 02 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, San Juan Loop Trail, c. 0.5 mi. from eastern trailhead off Hwy 74 590 Comment
  CAS-BOT-BC68762  Asplenium vespertinum Elmer I. Applegate 1892-4-23 s.n. Riverside Hills of East Riverside Comment
  POM49135  Aster alpigenus Mary F. Spencer 1919-7-6 1256 Riverside Tacquitz [Tahquitz] Meadow, San Jacinto Mountains. 2378 Comment
  POM153374  Aster frondosus Philip A. Munz, I. M. Johnston 1928-9-12 11246 Riverside North end of Lake Elsinore. Comment
  CAS-BOT-BC177465  Astragalus aridus H. M. Hall 1905-4-1 5826 Riverside Near Indio 0 Comment
  UC667276  Astragalus bernardinus Annie M. Alexander and Louise Kellogg 1941-5-11 2152 Riverside Cottonwood Spring Colorado Desert, Eagle Mountains, Cottonwood Spring (Eagle Mountains, Colorado Desert, side of canyon) 883 Comment
  CAS-BOT-BC177727  Astragalus crotalariae Ynez Whilton Winblad 1937-2-2 s.n. Riverside Coachella Valley Comment
  SEINET10957005  Astragalus deanei Greg Gust, Leith Nye 2005-3-10 Gust 532 Riverside City limits of Lake Elsinore on River Bank just off of Auto Center Dr, N of junction with Diamond Dr. 400 Comment
  RSA0014455  Astragalus didymocarpus Justin M. Wood, J. Miner 2010-4-29 1528 Riverside Coachella Valley: Bermuda Dunes. Near intersection of Avenue 38 and Varner Rd. 37 Comment
  CAS-BOT-BC182583  Astragalus didymocarpus var. dispermus C. L. Hitchcock 1940-4-4 5953 Riverside Pinto Basin Comment
  JOTR30120  Astragalus didymocarpus var. dispermus La Doux, Tasha, Bill Truesdell, Erin Babich 2008-3-10 1686 Riverside Joshua Tree National Park. Stop # 2 = Pinto Basin near Sandhill 538 Comment
  UCD84939  Astragalus didymocarpus var. dispermus Chuck Hughes 2010-3-23 211 Riverside About 11.5 miles south of Highway 62, next to railroad tracks. 254 Comment
  POM274197  Astragalus douglasii var. parishii J. C. Roos 1946-9-27 2788 Riverside Santa Rosa Mtns. 2226 Comment
  UC488913  Astragalus douglasii var. parishii C. V. Meyer June 1927 205 Riverside Saunder's Meadow , Saunder's Meadow (San Jacinto Mts.) 1706 Comment
  CAS-BOT-BC186902  Astragalus insularis var. harwoodii C. L. Hitchcock 1966-3-21 24331 Riverside 15 mi. s. of Rice, on dirt road to Blythe Comment
  SEINET898139  Astragalus lentiginosus H. M. Hall 1905-1 5757 Riverside Whitewater, on the Colorado Desert, Lower Sonoran Zone, 240 Comment
  IRVC28833  Astragalus lentiginosus var. coachellae Mark A. Elvin 2005-4-26 4226 Riverside Coachella Valley; E of Flat Top Mtn; at base in sand dunes. Northern Sonoran Desert 152 Comment
  RSA796505  Astragalus lentiginosus var. variabilis Jim Andre 2012-3-19 21355 Riverside Chuckwalla Valley. Along Hwy 177, 8.6 mi NE of Jct with I-10. 152 Comment
  JOTR30255  Astragalus nuttallianus var. imperfectus Leary, C. and Leary, Pat 1979-5-6 3027 Riverside Joshua Tree National Park. ca. 1.0 airmiles S.E. of Quail Mtn, Joshua Tree N.M., T2S R7E sec 14 Comment
  POM13929  Astragalus nuttallianus var. imperfectus P. A. Munz, D. D. Keck 1922-4-9 4846 Riverside Vicinity of Corn Springs, Chuckwalla Mtns. 671 Comment
  UCR189585  Astragalus pachypus var. jaegeri Carlos Navarro 2006-4-19 019 Riverside Peninsular Range, Aguanga Basin, Agua Tibia, just east and up slope from the Dripping Springs campground, near Gaurd Station with weather meters 503 Comment
  CLARK-A1045-132  Astragalus palmeri George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep Canyon; Palm Desert 15'Q Comment
  UCR30627  Astragalus palmeri John C. Roos 1947-3-15 3347 Riverside Sonoran (Colorado) Desert, mouth of Deep Canyon Comment
  JOTR01062  Astragalus palmeri Cole, James E. 1941-4-8 502 Riverside Joshua Tree National Park. SPLIT ROCK AREA 1219 Comment
  RSA90640  Astragalus palmeri F. W. Peirson 1921-3-21 4751 Riverside Gordon Trail, E slope of San Jacinto Mts. 1220 Comment
  CAS-BOT-BC194133  Astragalus pomonensis L. R. Abrams 1926-3-27 11138 Riverside Between Redlands and Bannings at junction of Wildwood Canyon Road Comment
  CAS-BOT-BC194171  Astragalus pomonensis Scott D. White; Julie Greene 1997-3-12 4778 Riverside Near I-215 Freeway, S of Perris and N of Menifee, low hills E of Bavaria Dr., Sun City - Perris Basin 487 Comment
  HSC101369  Astragalus pomonensis John F. Green 2005-3-7 Riverside Peninsular Range: Wildomar, west of Grand Ave, off Sweet Nectar Rd. 415 Comment
  RSA180278  Astragalus pomonensis E. W. Lathrop 1965-3-30 5599 Riverside 14 miles W of Murrieta. Comment
  RSA415660  Astragalus pomonensis B. C. Templeton 1930-4-15 1483 Riverside Between Perris and Gavilan Peak. 610 Comment
  RSA618384  Astragalus pomonensis D. L. Banks 1997-5-5 1981 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  UCR121084  Astragalus pomonensis A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24964 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  POM15204  Astragalus sabulonum Mary F. Spencer 1922-3-29 1655 Riverside Mecca -49 Comment
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Feb 17 2013
  CAS-BOT-BC27727  Astragalus vaseyi var. johnstonii Philip Alexander Munz; Ivan Murray Johnston 1922-5-7 5271 Riverside Keyes Ranch, Little San Bernardino Mts. 1066 Comment
  RSA482218  Athyrium filix-femina Richard Noyes, L. Arnseth 1988-9-11 738 Riverside San Jacinto Mountains: Lake Fulmor, 6 air miles northwest of Idyllwild. 1616 Comment
  SBBG128628  Athysanus pusillus A. C. Sanders, T. W. Chumley 2013-4-2 40745 Riverside Temescal Cyn between Horsethief Cyn Rd and Hostettler Rd, near I-15 Fwy, SE of Corona (Lee) Lake 377 Comment
  POM254744  Atrichoseris platyphylla Philip A. Munz 1940-3-24 15696 Riverside 3 miles south of Cottonwood Springs, Eagle Mts 457 Comment
  RSA779727  Atrichoseris platyphylla Duncan S. Bell 2009-3-8 95 Riverside Arica Mountains: center of mountain range in the vicinity of Priest Mine approximately 2 air miles west of Priest Well or approximately 7 air miles southwest of the ghost town of Rice. 467 Comment
  SBBG19806  Atrichoseris platyphylla J. R. Haller 1960-4-2 1527 Riverside lower slopes of Orocopia Mtns, ca. 1.5 mi S of jct of US Hwy 60-70 and the entrance rd to Joshua Tree Nat Monument 609 Comment
  UCD129382  Atrichoseris platyphylla P. C. Everett; E. K. Balls 1958-4-29 23026 Riverside 10.8 miles northeast and north from Desert Center along road to Rice and Vidal Junction. 274 Comment
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Jun 16 2013
  UCR52232  Atrichoseris platyphylla Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2161 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  SD40819  Atriplex canescens Carl B. Wolf 1932-10-13 4306 Riverside Eagle Mountains, Cottonwood Springs. 950 Comment
  UCD97289  Atriplex canescens K. Esau 1935-6-15 s.n. Riverside Riverside County. Comment
  JOTR34411  Atriplex canescens var. laciniata La Doux, Tasha, M. Harding, B. Truesdell, D. Shade 2012-9-25 3097 Riverside Joshua Tree National Park. Cottonwood Mountains; Cottonwood Spring, near oasis 914 Comment
  POM182511  Atriplex canescens var. linearis J. B. Feudge 1930-9-25 2063 Riverside Blythe Comment
  RSA532569  Atriplex coronata var. notatior D. E. Bramlet 1991-5-2 2113 Riverside 7.6 km west of Hemet and aome 1.4 km southwest of the intersection of Warren Rd. and Stetson Ave. The population is some 68 m suth of Stetson Ave. and some 320 m. west of the MWD canal., Plants are located approximatly 3m from an existing dirt channel. 500 Comment
  RSA736290  Atriplex coronata var. notatior Scott D. White, Justin Wood 2008-5-27 12029 Riverside North bound I-215 freeway corridor, S of San Jacinto River crossing. 431 Comment
  UCR266286  Atriplex davidsonii D. E. Bramlet 2005-7-28 3912 Riverside Perris-Aguanga Basin, area west of Hemet & Hemet-Ryan Airport, west of Warren Rd., south of Florida Ave./Hwy 74, east of San Diego Canal 457 Comment
  UCR247448  Atriplex elegans var. elegans R. E. Riefner Jr. 2013-8-17 13- 190 Riverside city of Lake Elsinore, along Collier St and Hwy 74 south to Temescal Wash 393 Comment
  SBBG128830  Atriplex glauca R. E. Riefner Jr. 2002-12-12 02 -521 Riverside Temescal Cyn Mouth, city of Corona, along Magnolia Ave, off-ramp on SW side of Hwy 15 216 Comment
  SEINET8753398 Image available Atriplex hymenelytra F. R. Fosberg 1932-1 8087 Riverside Thousand Paleus Canyon, Coachella valley Comment
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Jun 4 2016
  UC1519870  Atriplex muelleri J. C. Roos 1965-10-17 Riverside on the roadside 20 mi w Blythe; w of Blythe Comment
  UC1929667  Atriplex rosea Scott D. White 2003-6-9 9523 Riverside PERRIS BASIN: Northeast corner of Devonshire Ave. and Warren Rd., immediately south of Tres Cerritos. Comment
  SBBG72594  Atriplex semibaccata M. N. Ackley 1928-3-25 105 Riverside Indio -4 Comment
  IRVC26844  Atriplex semibaccata S. D. White 2001-4-13 8322 Riverside Badlands: County landfill area north of Moreno valley; ca. 1/4 air miles NW of SR60 junction with Gilman Springs Road. Southern Coastal 595 Comment
  POM319731  Atriplex semibaccata Patricia Wilder 1970-10-30 4845 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
  RSA596677  Atriplex semibaccata D. L. Banks, Lauren Raz 1996-11-5 1182 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; Along the main road in the Reservation, approximately 0.2 miles E of San Gabriel Church, across from the local cemetery. 378 Comment
  RSA532584  Atriplex serenana var. davidsonii D. Bramlet 1991-6-20 2200 Riverside San Jacinto Wildlife Area. Approximately 8 m. E of Davis Road and some 150 m. N of the San Jacinto River levee. Old Riverbed area beside the existing channelized area of the San Jacinto River. 475 Comment
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Jan 16 2013
  RSA660500  Atriplex suberecta A. C. Sanders, K. C. Rose 1998-5-21 21854 Riverside Hemet: alkaline flats west of town, E of the canal, S of Hwy 74 (Florida) and ca. 1/4 mi. W of Warren Rd. 457 Comment
  UCR49993  Atriplex suberecta S. J. Myers 1987-10-27 s.n. Riverside Peninsular Range; Santa Ana Mtns., c. 3 mi. west of Temecula, NE portion of Santa Rosa Plateau, 3/4 mi. east of Walker Basin 488 Comment
  CLARK-A1528-4495  Avena fatua John C. Roos 1952-4-9 5472 Riverside Riverside 274 Comment
  UCR108875  Avena sativa Heidi A. Haid 1968-5-14 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR99570  Azolla filiculoides Julie A. Greene, Steve Boyd, D. Bramlet, H. Flores, H. Ochoterana 1993-7-9 1418 Riverside San Jacinto Valley, San Jacinto Wildlife Area [northwest of Lakeview] 433 Comment
  JOTR34407  Baccharis brachyphylla La Doux, Tasha, M. Harding, B. Truesdell, D. Shade 2012-9-25 3094 Riverside Joshua Tree National Park. Cottonwood Mountains; near Wood Spring Comment
  POM153358  Baccharis salicifolia Philip A. Munz, I. M. Johnston 1928-9-6 11237 Riverside Morongo Creek, Colorado Desert 610 Comment
  POM350374  Baccharis salicifolia Ora M. Clark 1929-4-6 1952 Riverside South of Hemet. Comment
  UCR97505  Baccharis salicifolia A. C. Sanders, O. F. Clarke & H. Forster 1997-3-2 19759 Riverside Box Springs Mountains, E side of the range in Pigeon Pass area, above W end of Quail Call Drive, in canyon just west of section line. 610 Comment
  JEPS21256  Baccharis salicina Mr. McGraw 1904-1-1 Riverside Comment
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Sep 5 2011
  JOTR34414  Baccharis sergiloides La Doux, Tasha, M. Harding, B. Truesdell, D. Shade 2012-9-25 3098 Riverside Joshua Tree National Park. Cottonwood Mountains; Cottonwood Spring 914 Comment
  RSA0123170  Baccharis sergiloides Duncan S. Bell, Andrew Chambers 2016-12-21 10219 Riverside The Dos Palmas Preserve area, at the southern end of the Orocopia Mountains, and at the northeastern section of the Salton Sea. -41 Comment
  RSA289870  Baccharis sergiloides B. A. Prigge 1980-9-17 4099 Riverside San Bernardino Mts, Whitewater Canyon, 2.5 miles N of interstate 10 549 Comment
  SEINET899354  Baccharis sergiloides C. B. Wolf 1932-1 4271 Riverside Colorado Desert, Little San Bernandino Mts., Morongo Wash, 3/10 mi. below San Bernandino Co. line 671 Comment
  UCR207615  Baccharis sergiloides O. F. Clarke 2003-9-4 s.n. Riverside Peninsular Range; San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  POM294263  Bahiopsis parishii Lyman Benson 1945-3-29 11638 Riverside Canyon on Palm Springs Road, Colorado Desert, Little San Bernardino Mountain 610 Comment
  RSA450760  Bahiopsis parishii J. C. Roos 1965-9-26 s.n. Riverside Santa Rosa Mtns. 701 Comment
  SD129625  Bahiopsis parishii A. C. Sanders 1989-9-19 9504 Riverside Chocolate Mountains Aerial Gunnery Range, 1.75 km (airline) south of Tabaseca Tank, along the wash above Tabaseca Target 680 Comment
  CAS-BOT-BC99949  Baileya pauciradiata Lewis S. Rose 1937-4-10 37147 Riverside 5 mi. S. of Cathedral City 15 Comment
  RSA782077  Baileya pauciradiata Duncan S. Bell 2009-3-9 115 Riverside Arica Mountains: east side of mountain range, west side of Rice Valley approximately 2.7 air miles northeast of Priest Well or approximately 3.3 air miles southeast of the ghost town of Rice. 244 Comment
  UC53925  Baileya pauciradiata F. Gilman 1902-1 Riverside Palm Springs Comment
  CAS-BOT-BC100144  Bebbia juncea var. aspera Marcus E. Jones 1890-5-23 s.n. Riverside Murray Canon 487 Comment
  CHSC95388  Bebbia juncea var. aspera R. Kobaly; Singer, A., Spurrier, C., Thompson, D., Way, M. J. 2001-6-12 1 Riverside Riverside County. White Water Canyon. 4.8km north of Highway 10 SBBM, San Gorgonio Wilderness. 570 Comment
  JOTR29381  Bebbia juncea var. aspera La Doux, Tasha, Mike Bell 2006-5-10 1458 Riverside Joshua Tree National Park. East Deception Canyon Comment
  UC51596  Bebbia juncea var. aspera Jos. Burtt Davy 1902-4-2 8058 Riverside Salton Comment
  UCD129539  Bebbia juncea var. aspera Nancy Ryan Zabriskie 1968-6-10 167 Riverside Andreas Canyon, near Palms Springs. Comment
  RSA0092855  Bergia texana D. E. Bramlet 2005-7-13 3893 Riverside Perris-Aguanga Basin Region; San Jacinto Valley: San Jacinto Wildlife Area, east of old San Jacinto River channel, margin of flooded ponds. 433 Comment
  CLARK-A1528-2687  Bernardia incana John C. Roos 1946-9-14 3024 Riverside San Jacinto Mountains Comment
  RSA651245  Bernardia incana N. R. Zabriskie, Walter Zabriskie 1971-4-9 364 Riverside Deep Canyon, north slope Santa Rosa Mountains. Ca. 2 miles on water service road south of Highway 74. 1311 Comment
  RSA78375  Bernardia incana J. C. Roos 1950-12-2 5027 Riverside Monson Canyon, Eagle Mountains. 1067 Comment
  SEINET3347392 Image available Bernardia myricifolia Andrew C. Sanders, Chika Mori 2011-6-14 39662 Riverside Peninsular Range; Santa Rosa Mtns.; Hwy 74 near 'Agave Hill', 0.3 km SW (249 deg. ) of VABM 'Lucky', 1.6 km NE (37 deg. ) of Black Hill, ridge west of Deep Canyon and east of Carrizo Creek, above switch backs 801 Comment
  CLARK-A1528-173  Bidens pilosa John C. Roos 1951-9-25 5264 Riverside Riverside 259 Comment
  UCD114305  Boechera arcuata Nancy Ryan Zabriskie; Walter Zabriskie 1972-6-18 524 Riverside Along fire rd S of S end Marion Ridge Rd., Pine Cove, NW of Idyllwild, San Jacinto Mts. 1938 Comment
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Dec 25 2013
  CAS-BOT-BC13901  Boechera johnstonii Ynez Whilton Winblad 1937-4-23 s.n. Riverside West slope of Mount San Jacinto. Comment
  UCR137642  Boerhavia erecta var. intermedia T. L. Ackerman, V. Mathews 1982-8-30 82 420 Riverside Santa Rosa Mountains, Gate at Highway 74 and Benchmark Lucky (Agave Hill) 793 Comment
  JOTR30694  Boerhavia intermedia La Doux, Tasha, Jim Andre 2008-9-13 265 Riverside Joshua Tree National Park. Upper Wilson Canyon on E. side of paved Hwy 991 Comment
  UCR101518  Boerhavia triquetra Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10051 B Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, NW base of the range, south of Eagle Mine Rd exit on Hwy I-10. 427 Comment
  UCD98034  Boerhavia triquetra var. intermedia Marian L. Vincent; Richard H. Swade 1963-10-19 468 Riverside On California State Hwy. 74, Ca. 6 miles south of Palm Desert. Comment
  RSA782142  Boerhavia wrightii Stephanie Rockwood, Christi Gabriel 2011-10-18 146 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 99 Comment
  SD255799  Boerhavia wrightii A. C. Sanders 2015-9-12 41885 Riverside Sonoran (Colorado) Desert: Desert Center, south of I-10 at the Eagle Mountain Road junction (Desert Center 7.5'Q) 360 Comment
  UCD98037  Boerhavia wrightii Geoffrey Levin 1976-10-17 1166 Riverside Box Canyon, about 11 miles east of Mecca. Mecca Hills. 91 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
  CLARK-A1528-639  Boisduvalia glabella Ruth Cooper 1941-6-8 75 K Riverside Sun City Comment
  UCSB9820  Bothriochloa barbinodis Beach, Kay 1942-10-23 Riverside Dos Palmas Spring; 0.75 mi E of road at point 20 mi from Kenworthy Forest Stn. and 12 mi N of Jct of Indio and Palmas highways; side road; San Bernardino Ntl Forest Comment
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Mar 2 2014
  RSA457760  Bouteloua aristidoides Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2125 Riverside N. end Palen Mountains, 2 miles west of Palen Pass. 300 Comment
  UCD56835  Bouteloua aristidoides A. A. Beetle 1942-4-23 3189 Riverside 24 miles north of Blythe, banks of Colorado River. Comment
  OBI29472  Bouteloua barbata David J. Keil, Melissa Luckow 1979-8-31 13152 Riverside Jctn of Box Cyn rd and I-10, just S of exit ramp at wash crossing Comment
  POM192675  Bouteloua barbata Marcus E. Jones 1929-9-16 24716 Riverside Hayfield, Near Desert Center. Colorado Desert. Comment
  RSA561067  Bowlesia incana Steve Boyd, Tim Ross, David E. Bramlet 1993-5-12 7346 Riverside Southern Santa Ana Mountains, Sant Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon. 365 Comment
  UCR137044  Bowlesia incana A. C. Sanders 2004-5-5 27771 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  UCR266813  Bowlesia incana Mitch Provance, Matt Amalong 2015-3-25 315- 31 Riverside Paloma Valley, Murrieta, old Clydesdale horse ranch 0.4-0.6 miles S of Keller Rd., along unmarked dirt portion of Menifee Rd. 450 Comment
  SEINET13276693 Image available Brachypodium distachyon Steve Boyd 2011-1 12306 Riverside Coastal plains and basins; San Bernardino basin region.: City of Riverside, residential lot at northwest corner of Beechwood Place (4131) and Brockton Avenue. 256 Comment
  SEINET13262577 Image available Brachypodium hybridum Steve Boyd 2011-1 12306 Riverside City of Riverside, residential lot at northwest corner of Beechwood Place (4131) and Brockton Avenue. 256 Comment
  HSC27843  Brandegea bigelovii R. W. Spjut 1973-4-10 3297 Riverside N base of the Chuckawalla Mtn. ca. 3-4 mi. directly S of Desert Center 305 Comment
  SBBG7426  Brandegea bigelovii H. and M. Dearing 1936-12-26 1130 Riverside foot of Palms to Pines Hwy Comment
  UC635681  Brandegea bigelovii H. L. Mason 1928-3-10 4213 Riverside Coachella Mountains, Hidden Springs Canyon Hidden Springs Canyon; Coachella Mountains, Hidden Springs Canyon Comment
  UCD107469  Brandegea bigelovii Lyman Benson 1949-3-28 13572 Riverside Wash at E end of Pines to Palms Highway, just above jct with Palm Springs Indio Rd. 304 Comment
  CLARK-A1528-344  Brassica geniculata Ken F. Clarke 1971-8-11 Riverside Riverside Comment
  UCR126936  Brassica geniculata Julie A. Greene 1993-5-12 1321 Riverside San Jacinto Valley, San Jacinto Wildlife Area, SE end of visitor center road, east of Davis Road 436 Comment
  HSC6599  Brassica juncea C. E. Fellows 1965-4-13 55 Riverside 5 mi. N of Palm Springs city limits on Hwy. 111, 1.5 mi. W on Snow Creek Rd. Comment
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Jun 9 2013
  CAS-BOT-BC36846  Brassica tournefortii John H. Thomas 1949-2-28 46 Riverside Between Banning and Palm Springs. Comment
  RSA674570  Brassica tournefortii Scott D. White 2000-5-3 7765 Riverside Temecula Area: Near Wolf Valley. Valley and hillsides along unnamed tributary to Temecula Creek, directly S of Red Hawk subdivision. 351 Comment
  RSA784729  Brassica tournefortii Duncan S. Bell 2012-3-18 3196 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  SFV6318  Brassica tournefortii T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 33 Riverside San Bernardino Mountains Whitewater Canyon Road, 3 miles north of Highway 60. 630 Comment
  RSA651822  Brassica tournefortii Marion P. Harthill 1971-3-19 11 Riverside Palm Desert. Comment
  CAS-BOT-BC106195  Brickellia desertorum Alice Eastwood 1913-4-30 3065 Riverside Palm Canyon [Canon], Palm Springs Comment
  JOTR34405  Brickellia desertorum La Doux, Tasha, M. Harding, B. Truesdell, D. Shade 2012-9-25 3093 Riverside Joshua Tree National Park. Cottonwood Mountains; Cottonwood Spring area 902 Comment
  SD239574  Brickellia desertorum Fred M. Roberts, Robert L. Allen, Sandra Leatherman 2009-10-2 7166 Riverside Santa Ana Mountains: Ridge between Mabey and Tine Mine Cyns., 4.2 km by road above Forest Service gate, 2.9 km SE Sierra Peak. Northeast-facing slope, road cut and adjacent slope. 708 Comment
  OBI38270  Brickellia incana David J. Keil 1985-8-30 18951 Riverside Along road through Joshua Tree Natl Monument, 5 mi N of I-1 Comment
  SBBG122753  Brodiaea santarosae A. Parikh 1990-5-17 173 Riverside W part of Mesa de Colorado, 0.3 km N of Avocado Mesa Rd, 0.1 km E of Via Volcano 632 Comment
  PASA508  Brodiaea synandra Frank W. Peirson 1922-5-19 Riverside 2 miles southeast of Perris Comment
  CAS-BOT-BC149332  Bromus arizonicus H. M. Hall 1905-1-1 5980 Riverside Colorado Desert. Comment
  SEINET251969 Image available Bromus arizonicus A. C. Sanders 1995-3-22 16221 Riverside San Gorgonio Pass, San Jacinto Mountains: on and near a rocky spur at the north foot of the mountains, SW of Verbenia Ave., W of Snow Creek, E of Cabezon. 390 Comment
  CAS-BOT-BC149438  Bromus berteroanus Peter H. Raven 1958-5-5 12882 Riverside Jumbos Rocks Camp Ground, Joshua Tree National Monument. Comment
  CLARK-A1528-4533  Bromus carinatus John C. Roos 1953-4-15 5912 Riverside Riverside 259 Comment
  LA13867  Bromus catharticus F. M. Reed; 1903-11-30 663 Riverside Riverside and vicinity Comment
  UCR277492  Bromus catharticus Mitch Provance 2013-4-16 413- 21 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  RSA179503  Bromus grandis E. W. Lathrop 1960-6-7 4868 Riverside 10 miles west of Murrieta. Redonda Mesa. Comment
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Apr 28 2011
  SEINET239051 Image available Bromus grandis George K. Helmkamp 1998-6-27 4118 Riverside Sana Rosa Mountains. 5.8 miles southeast of highway 74 along Santa Rosa Mountain road (=Santa Rosa Truck Trail = F.S. Rd. 7S02), below Mountain Home Spring 1799 Comment
  UCR108872  Bromus grandis Heidi A. Haid 1968-1 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR193555  Bromus grandis A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35664 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 1555 Comment
  SEINET260204 Image available Bromus hallii M. Curto, L. Allen 1990-6-25 679 Riverside San Bernardino National Forest ; San Jacinto Mts ca 3km SE of Pine Cove on SBNF Rd 5S10 1830 Comment
  UCR20537  Bromus hallii W. W. Mayhew 1977-7-4 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  UCR120897  Bromus hordeaceus A. C. Sanders, D. Malueg 2002-4-8 24908 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
  RSA562121  Bromus hordeaceus Steve Boyd 1992-4-14 6785 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
  SEINET14341994  Bromus madritensis T. M. Sperry 1964-1 55 -730 Riverside San Bernardino Nat. For., S of Palm Desert. 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
  UCR2249  Bromus rubens H. S. Fawcett 1913-12-24 1109 Riverside West Riverside, along main road, Santa Ana River flats 244 Comment
  RSA774506  Bromus tectorum Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4429 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 W116.64312 487 Comment
  UCR137501  Bromus tectorum D. L. Banks, V. W. Steinmann 1997-3-13 1489 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  UCR18522  Bromus trinii Frank C. Vasek, O. F. Clarke 1966-4-4 s.n. Riverside Santa Rosa Mtns, Hwy 74 at Royal Carrizo Road, Deep Canyon drainage 917 Comment
  UCR65294  Bromus trinii Steve Boyd, D. E. Bramlet, Harry Spilman 1989-4-30 3514 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, N edge of the Gavilan Plateau, east of Gavilan Creek 610 Comment
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Mar 22 2011
  RSA5167  Caesalpinia virgata C. B. Wolf 1932-4-26 s.n Riverside Colorado Desert: 5 mi. E of Mecca on Blythe rd. 30 Comment
  RSA777724  Caesalpinia virgata Jim Andre, G. L. Clifton 2011-2-22 17426 Riverside Mecca Hills; along Box Canyon Road, 8.5 miles NE of town of Mecca 171 Comment
  UC1128935  Caesalpinia virgata H. S. Yates 1937-3-23 6432 Riverside Painted Canyon Thermal Quad., Painted Canyon Comment
  UC665830  Caesalpinia virgata Ira L. Wiggins 1941-3-27 9690 Riverside 8.2 mi. w. Shaver's Summit Comment
  UC724226  Caesalpinia virgata Aven and Ruth Nelson 1939-3-28 3310 Riverside between Mecca and Hidden Springs Comment
  UCR3468  Caesalpinia virgata Sally Bell 1964-3-26 s.n. Riverside Western Colorado Desert, off Dillon Road, c. 3 mi. NE of the town of Indio, c. 500 yards west of the road. -7 Comment
  RSA592423  Callitriche marginata J. C. Roos 1966-3-6 s.n. Riverside Across 395 from March Air Force Base. Comment
  RSA562491  Calochortus albus Steve Boyd, Timothy S. Ross 1992-5-5 7245 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats. Bluewater Trail. 732 Comment
  UC3382  Calochortus concolor H. M. Hall Jun 1901 2285 Riverside vicinity Chalk Hill; San Jacinto Mountians 1524 Comment
  UCR167980  Calochortus concolor T. B. Salvato, John F. Green 2004-5-27 642 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
  RSA679166  Calochortus invenustus Fred M. Roberts 2003-6-25 5935 Riverside Santiago Peak, old road near Orange County line, c.a. 150m N jct. with Main Divide Truck Trail, 0.5km north summit. 1633 Comment
  UCR117699  Calochortus plummerae Mitch Provance 1998-6-11 652 Riverside Jurupa Mountains, NW Jurupa Mtns; south of the E extreme of Philadelphia St. 290 Comment
  UCR16061  Calochortus plummerae Loretta Bates 1978-6-10 s.n. Riverside San Bernardino Mtns, Cherry Valley exit off Hwy I-10 Comment
  UCR178202  Calochortus plummerae Tracy Tennant, Jeffrey Ross 1998-7-21 MOR- 644 Riverside San Bernardino Mtns., Morongo Indian Reservation, ridge east of upper Hathaway Canyon, west of Burro Flats 1037 Comment
  RSA619567  Calochortus splendens Darin L. Banks 1997-5-5 2005 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  RSA78132  Calochortus splendens Verne Grant, Alva Grant 1953-5-15 18458 Riverside Pinyon Flat Public Camp, near Highway 74. 1220 Comment
  UCR172767  Calochortus splendens Abby Sirulnik, Ian G. Gillespie 2000-5-14 53 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
  UCR144115  Calycadenia tenella Scott D. White 2000-5-1 7748 Riverside Santa Ana Mtns, Corona, western foothills of Santa Ana Mtns near Bedford Canyon 412 Comment
  UCR11336  Calycoseris parryi John M. Spencer 1971-4-17 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument [now J.T.N. Park], 1.5 mi. north of Cottonwood Spring campground 953 Comment
  POM351421  Calycoseris wrightii N. C. Cooper 1949-4-8 3312 Riverside Desert Center. 609 Comment
  RSA776642  Calycoseris wrightii Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-28 1099 Riverside Alligator ACEC, north side of Chuckwalla Mountains, just south of Desert Center 413 Comment
  RSA776693  Calycoseris wrightii Duncan S. Bell, Amanda Turek 2010-4-10 790 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  RSA796093  Calycoseris wrightii Duncan S. Bell 2009-4-20 309 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  UC1584109  Calyptridium monandrum Steve Boyd, Tim Ross, Laurel Arnseth 1990-3-29 3833 Riverside at n side of mouth of Temecula Creek Canyon (and adjacent benches on s flank of Big Oak Mountain); Vail Lake Area, Temecula Creek Canyon 396 Comment
  UC473451  Calyptridium monandrum John Thomas Howell 1930-5-10 4806 Riverside at to of St. John's Grade Comment
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Jul 5 2010
  UCR167819  Calystegia macrostegia John F. Green 2005-3-16 s.n. Riverside Perris-Aguanga Basin, Cajalco Canyon, SE of Corona, SW of Lake Mathews, east of Calif. highway 71; Collections made while monitoring pipeline repair 366 Comment
  RSA721873  Camissonia J. Mark Porter, Orlando Mistretta 2003-6-5 13605 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
  UCR277468  Camissonia Mitch Provance 2012-4-1 412- 38 Riverside Badlands of Western Riverside County, N side of San Timoteo Canyon Rd., about 4.5 mi WNW of intersection with I-10, N of old Haskell residence 646 Comment
  HSC16409  Camissonia bistorta C. L. Hitchcock, C. V. Muhlick 1964-3-17 23087 Riverside 1/2 mi. SE of Glen Ivy Hot Springs Comment
  UCR10926  Camissonia boothii John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, rocky canyon 2.5 miles SE of Desert Center 610 Comment
  RSA465966  Camissonia boothii subsp. condensata N. C. Cooper 1949-4-8 3298 Riverside Desert Center. 610 Comment
  RSA465991  Camissonia boothii subsp. condensata Robert M. Perkins, H. de Forest 1937-3-15 s.n. Riverside Colorado Desert. East of Desert Center. Comment
  CLARK-A1528-5708  Camissonia brevipes John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  RSA0021217  Camissonia brevipes subsp. brevipes T. Mosquin 1958-2-22 3208 Riverside Colorado Desert. Corn Spring, Chuckwalla Mountains. Comment
  UC20448  Camissonia campestris subsp. campestris Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  JOTR30136  Camissonia cardiophylla subsp. cardiophylla La Doux, Tasha 2008-2-4 1703 Riverside Joshua Tree National Park. Stop #2: Hexie Mtns./ Porcupine Wash; deep canyon. 778 Comment
  RSA0021247  Camissonia claviformis Duncan S. Bell 2009-3-7 27 Riverside Arica Mountains: collecting on the ridgeline of the mountain range just north of the summit along the border of the Palen/McCoy Wilderness area. 614 Comment
  UCR19028  Camissonia claviformis John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 2 miles southeast of Desert Center 366 Comment
  RSA286519  Camissonia confusa John F. Emmel 1979-5-26 632 Riverside Bautista Cyn. Road, near mouth of Bautista Canyon. 610 Comment
  SDSU3351  Camissonia confusa H. Wedberg 1958-3-30 198 Riverside 7.7 mi. east of Hemet city limit on Hwy. 74, at edge of flood-wash Comment
  UCR133370  Camissonia confusa Jeffrey Ross, T. B. Salvato 1998-5-28 MOR- 294 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, c. 3.5 miles NNW of Cabazon 915 Comment
  UCR42389  Camissonia confusa D. C. Hawks 1986-4-16 s.n. Riverside San Bernardino Mtns / Sonoran (Colorado) Desert, Alta Mesa wind turbine field, on the ridge above Whitewater Canyon, west of Bonnie Bell 915 Comment
  UCR44447  Camissonia confusa A. C. Sanders, B. Pitzer 1986-4-30 6473 Riverside San Jacinto Valley, San Jacinto River Valley at the mouth of Bee Canyon. 610 Comment
  RSA291564  Camissonia hirtella C. W. Tilforth, B. Busenberg 1980-6-17 2002 Riverside 0.1 mi. in from Highway 74 along north leg of Thomas Mountain Road, south of Lake Hemet. Comment
  UCR98114  Camissonia hirtella S. J. Myers 1988-6-8 s.n. Riverside Santa Rosa Plateau, Along Via Majorca, between Avenida de Arboles and Paseo Montano, in the 'La Cresta' region 671 Comment
  UCR79240  Camissonia ignota Steve Boyd 1992-4-15 6865 Riverside Santa Ana Mtns, San Mateo Canyon Wilderness: Bluewater Canyon along Bluewater Trail, downstream to the confluence with San Mateo Creek 488 Comment
  UCR258634  Camissonia intermedia T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7901 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon 555 Comment
  POM6697  Camissonia pallida subsp. hallii P. A. Munz, L. T. Street, G. Williams 1919-3-28 2363 Riverside San Gorgonio Pass, near Banning 701 Comment
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Sep 12 2011
  POM126860  Camissonia refracta Joseph Grinnell 1910-3-17 s.n. Riverside Riverside Mt. Colorado River. Comment
  RSA25368  Camissonia refracta C. L. Hitchcock 1940-4-1 5898 Riverside 1 mi. below Cottonwood Springs. Joshua Tree Nat. Monument. Comment
  POM3184  Camissonia strigulosa C. F. Baker 1904-4-5 4116 Riverside Hemet Comment
  UC354497  Camissonia strigulosa Edmund C. Jaeger 1925-5-10 Riverside Van de Venter's Flat Santa Rosa Mountains 1280 Comment
  UCR133405  Camissonia strigulosa Tracy Tennant, J. S. Ross 1998-5-7 MOR- 82 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Wood Canyon, c. 0.6miles NNW of Cabazon. 1280 Comment
  UC917876  Camissoniopsis bistorta Frank W. Gould 1943-4-17 2125 Riverside 12 mi s Corona (on road to Elsinore) Comment
  UCSB12943  Camissoniopsis bistorta Dearing, Hugh; Dearing, Margaret 1937-4-12 Riverside Coast side of mountains near Orange county line Comment
  SDSU3367  Camissoniopsis hirtella H. Wedberg 1958-5-18 305 Riverside At view-type parking area west of Mountain Center, San Jacinto Mountains. Comment
  UCR174564  Camissoniopsis hirtella Jennifer H. Jones, Thi (Teresa) Bui and Holly Summers 2006-5-31 342 Riverside Peninsular Ranges; San Jacinto Mtns., just down Mt. Edna Road west off of Calif. Hwy 243 1146 Comment
  UCR166099  Camissoniopsis pallida subsp. pallida A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16206 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, alluvial fan just east of the mouth of Whitewater Canyon between Windy Point & Hwy I-10, Coachella Valley 370 Comment
  CAS-BOT-BC334211  Capsella bursa-pastoris T. B. Salvato; Mike Landers 2013-3-22 7389 Riverside Perris-Aguanga Basin: southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), on Los Alamos Rd at its crossing of Warm Springs Creek 402 Comment
  SD8373  Capsella bursa-pastoris Daniel Cleveland 1882-5-5 Riverside Temecula Plains Comment
  RSA228815  Cardamine californica var. integrifolia Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 601 Riverside Santa Rosa Plateau, ca. 5 miles south west of Murrieta near Forest Route 7S01. 487 Comment
  RSA0042251  Carex alma N. Miles Fellows, Andrew C. Sanders 1985-5-7 168 Riverside Oasis de Los Osos Preserve, off Snow Creek Canyon at the north foot of the San Jacinto Mountains, 1 mi. W of Snow Creek Village. 488 Comment
  RSA697513  Carex fracta J. Russell Bruff 1934-7-7 s.n. Riverside Idyllwild Comment
  POM6821  Carex multicostata Phillip A. Munz, L. T. Street 1919-5-7 2742 Riverside Tahquitz Canyon, San Jacinto Mountains 244 Comment
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Jul 2 2008
  UCR208190  Carex praegracilis I. M. Johnston 1918-4-27 1860 Riverside Peninsular Range; Santa Ana Mtns. Region, Murrieta 305 Comment
  UCR256091  Carex sartwelliana LeRoy Gross, Caitlin Elam 2013-5-21 6105 Riverside Peninsular Range; San Jacinto Mtns., west edge of Pine Cove, between Pine Cove and Red Hill Road/5S10 1784 Comment
  RSA0011149  Carya illinoinensis A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37151 Riverside Box Springs Mtns. Foothills, Riverside, eastern side of UCR Campus in canyon below botanical garden 320 Comment
  CDA35222  Castela emoryi T. C. Fuller 1962-10-2 9697 Riverside Hayfields, north of Highway 60-70 to Indio, ca. 14 miles west of Desert Center. 0 Comment
  RSA496368  Castilleja affinis Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-3-19 3042 Riverside Vail Lake area, 0.75 mile NW of dam. 622 Comment
  RSA516557  Castilleja affinis R. C. Bacigalupi, J. F. MacBride, Ruth D. Sanderson, C. Leroy Custer 1952-3-30 3550 Riverside On west-facing gentle hillslope among sparse chaparral, along Calif. Highway No. 71. between Wildomar and Murrieta, 2.6 mi. N. of Murrieta, 396 Comment
  SBBG66921  Castilleja affinis M. N. Ackley -Mar-1922 1039 Riverside Murrieta Hot Springs 398 Comment
  UCR193355  Castilleja applegatei subsp. martini A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35629 Riverside Peninsular Range; San Jacinto Mtns., May Valley area, Bonita Vista Rd. just NE of May Valley Rd. 1545 Comment
  JOTR31005  Castilleja chromosa La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1288 Riverside Joshua Tree National Park. Stop 4: Hexie Mountains, Blue Cut Gorge, canyon with sandy bottom and steep rocky walls Comment
  RSA775123  Castilleja exserta Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5024 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 750 Comment
  UCR162414  Castilleja exserta 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
  UCSB7456  Castilleja exserta subsp. exserta Ballard Riverside Temecula Comment
  RSA612477  Castilleja foliolosa D. L. Banks 1997-2-23 1340 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The area along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside / San Diego County line border. 402 Comment
  SD80143  Castilleja foliolosa Nancy Ryan Zabriske, Walter Zabriske 1971-4-6 359 Riverside North-facing slope, Andreas Canyon, east slope San Jacinto Mts. 456 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
  UC26427  Castilleja foliolosa Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  UCSB9374  Castilleja foliolosa Lloyd, Robert 1959-4-17 Riverside Santa Ana Mt Range; 4 1/4 mi S of W Corona; on the Oak Flats Fire Road 426 Comment
  UC199386  Castilleja minor subsp. spiralis G. R. Hall 1908-1 Riverside Riverside Comment
  RSA761164  Castilleja spiralis Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 697 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCR101840  Caucalis microcarpa B. G. Pitzer 1997-4-1 3057 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  UCR91372  Caucalis microcarpa Scott D. White 1995-4-5 2757 Riverside Perris Valley, Lakeview Mountains; SW of Juniper Flat Road 579 Comment
  POM14299  Caulanthus cooperi P. A. Munz, D. D. Keck 1922-4-9 4787 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  UCR19451  Caulanthus cooperi Carl Epling, Harlan Lewis 1941-5-2 s.n. Riverside Sonoran (Colorado) Desert, 3 miles north of Cottonwood Spring 945 Comment
  UCR41536  Caulanthus cooperi A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6052 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south side of Chuckwalla Mtns, on Bradshaw Road c. 2 miles east of gasline road 642 Comment
  RSA586145  Caulanthus heterophyllus D. L. Banks, S. D. Boyd 1995-3-16 107 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. E of the Dripping Springs Alcove, N slope of Wildhorse Peak, on the Wildhorse Trail. 610 Comment
  RSA659378  Caulanthus heterophyllus var. heterophyllus Bruce Albert 1982-4-17 71 Riverside Field north of Santa Rosa road, 5.7 miles east of Lake Mathews Road. Comment
  UCR196368  Caulanthus lasiophyllus Naomi Fraga, Lisa Rojas 2005-2-10 1366 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  RSA593696  Caulanthus lasiophyllus var. rigidus Steve Boyd, Dave Bramlet 1996-4-19 8630 Riverside San Jacinto Valley: San Jacinto Wildlife Refuge at southwestern edge of Mystic Lake in the San Jacinto River floodplain, N of ''Marsh A'', NE of the refuge headquarters. 433 Comment
  UCR77706  Caulanthus lasiophyllus var. rigidus Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6122 Riverside Peninsular Range, Vail Lake area, summit of Oak Mtn, north of lake near Henderson benchmark 823 Comment
  RSA0012053  Ceanothus crassifolius Steve Boyd, Susan Jett 2008-3-20 11830 Riverside Peninsular Ranges: Santa Ana Mountains region: Along Main Divide Truck Trail, south of junction with Wildomar Truck Trail and north of Wildomar Off-Hwy Vehicle Area. Comment
  RSA228829  Ceanothus crassifolius Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 593 Riverside Cleveland National Forest; 8.5 miles south of Lake Elsinore along Forest Route 6S08. Comment
  RSA500063  Ceanothus crassifolius Steve Boyd, Tim S. Ross, L. Arnseth 1989-4-2 3246 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 426 Comment
  SEINET3076062 Image available Ceanothus crassifolius B. Pitzer, L. LaPre 1987-3-2 426 Riverside Bundy Canyon, ca. 2.0 mi SE of Lake Elsinore and 0.5 mi N of Bundy Canyon Rd off Raciti Rd. 701 Comment
  UC870570  Ceanothus greggii var. vestitus P. A. Munz, I. M. Johnston 1922-5-19 5447 Riverside Kenworthy, San Jacinto Mountains 1432 Comment
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Mar 25 2011
  HSC86124  Ceanothus integerrimus Dean Carpenter 1981-6-4 24 Riverside James Reserve, San Jacinto Mtns. 1646 Comment
  SEINET2078718  Ceanothus leucodermis G. Rink 1999-5-22 Riverside San Jacinto Mountains, Highway. 243 Comment
  SBBG119993  Ceanothus oliganthus var. sorediatus A. C. Sanders with M. Misenhelter 2005-3-23 29265 Riverside E slope of Squaw Mtn, Avenida Escala just above Avenida Caleta, N of Tenaja Rd; Santa Rosa Plateau 701 Comment
  SJSU15170  Ceanothus ophiochilus Steve Boyd, Tim Ross & Laurel Arnseth 1989-3-31 3097 Riverside Vail Lake area 1 mi W of Lake 624 Comment
  SD229242  Ceanothus palmeri Dick Schwenkmeyer 2012-4-17 692 Riverside Mt. San Jacinto: Vista Grande, 2 miles south of U.S. Forestry station on Highway 243 north of Idyllwild 1618 Comment
  UC870622  Ceanothus palmeri I. W. Clokey, E. G. Anderson 1935-8-21 6736 Riverside Fuller's Creek San Jacinto Mts. 1500 Comment
  SEINET3076064 Image available Ceanothus sorediatus Dave Hawks 1987-3-2 Riverside S of Hemet, intersection of Palm Ave and Saddle Ridge Trail. 472 Comment
  UC1071421  Ceanothus tomentosus R. St. John 1930-3-27 110 Riverside Badlands Elsinore Quad., Badlands (Plot 28). Comment
  UCR218076  Centaurium venustum Steve Boyd 2010-5-28 12286 Riverside Santa Ana Mountains, Elsinore Peak, just south of Main Divide Road, eastern base of knoll south of peak 1021 Comment
  RSA757456  Centranthus ruber Robert F. Thorne, Walter Wisura, Dave Mitchener 1982-1 55194 Riverside along Ortega Highway; Cleveland National Forest 732 Comment
  SD51948  Cerastium fontanum Reid Moran 1962-7-7 9856 Riverside By Strawberry Creek, 2.0 muiles southwest of Idyllwild. 1550 Comment
  CHSC46062  Cercidium floridum Troy Griffiths 1988-4-1 102 Riverside Vic. of Living Desert Reserve, ca. 3 mi se of Palm Desert. 76 Comment
  UCR240650  Cercocarpus betuloides Tracy Tennant, Mitch Provance 1998-6-16 MOR- 424 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  RSA586147  Cercocarpus betuloides var. betuloides D. L. Banks, Steve D. Boyd 1996-3-16 109 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. E of the Dripping Springs Alcove, N slope of Wildhorse Peak, on 625 Comment
  CAS-BOT-BC276419  Chaenactis carphoclinia Roxana S. Ferris; Rimo Bacigalupi 1958-3-19 13256 Riverside US Gypsum mine property in Little Maria Mountains, 2.3 miles above Midland post office Comment
  SBBG104630  Chaenactis carphoclinia T. Glenn 1991-4-30 91 -60 Riverside McCoy Mtns, NW of Blythe; T5S, R 20E, S19 170 Comment
  SBBG99385  Chaenactis carphoclinia W. L. Halvorson 1977-2-15 77 -26 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  POM126313  Chaenactis carphoclinia var. carphoclinia T. Craig 1927-4-2 10 Riverside Hidden Springs Canyon. Comment
  POM351673  Chaenactis carphoclinia var. carphoclinia Anstruther Davidson 1926-3-1 s.n. Riverside Near Mecca. Comment
  CAS-BOT-BC276940  Chaenactis fremontii Lewis S. Rose 1937-4-9 37094 Riverside Cabazon 563 Comment
  CLARK-A1528-1696  Chaenactis fremontii John C. Roos 1937-4-18 2461 Riverside Comment
  JEPS30923  Chaenactis fremontii Palmer Stockwell 1940-4-24 1505 Riverside 1 mi E of Banning Comment
  UC34696  Chaenactis fremontii H. M. Hall 1902-4-11 2807 a Riverside Coyote Canon, w borders of Colorado Desert Colorado Desert, Coyote Canon 152 Comment
  UCR237689  Chaenactis fremontii Orlando Mistretta, Duncan S. Bell, Janet Beckman, Joy England, K. Kane, et al. 2010-4-12 4422 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 488 Comment
  SEINET7450233 Image available Chaenactis glabriuscula G. R. Hall 1905-1 8486 Riverside Riverside. Comment
  RSA388507  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1986-5-1 1808 Riverside Perris-Aguanga Basin region SW Perris Basin, Hill west of Skunk Hollow. Comment
  UC1392834  Chaenactis glabriuscula var. glabriuscula R. F. Hoover 1968-6-7 11158 Riverside Head of St. Johns Canyon Comment
  UC31026  Chaenactis glabriuscula var. glabriuscula H. M. Hall 1899-5-25 1181 Riverside Van Deventer's, El Toro Region San Jacinto Mountains, El Toro Region 1402 Comment
  SBBG65574  Chaenactis glabriuscula var. lanosa M. N. Ackley 1928-3-11 273 Riverside near Cabazon, San Gorgonio Pass 609 Comment
Read comments
Mar 13 2011
  JOTR32350  Chaenactis stevioides La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2466 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast of Quail Mountain and near Johnny Lang Canyon; Bouldery northeast facing drainage (Stop 1) 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
  JOTR01244  Chaenactis stevioides Cole, James E. 1941-4-13 545 Riverside Joshua Tree National Park. OLD DALE SANDY FLATS 396 Comment
  RSA778518  Chamaesyce Amber Swanson, Linda Jean Foster 2011-10-8 639 Riverside Large wash off Blythe Rice Rd 270 Comment
  VVC2185  Chamaesyce abramsiana Tim Thomas, Paul Frank, Art Schuab, Mike Honer 2012-9-5 5884 Riverside Colorado River Valley, Wilson Road; 0.3 miles west of the river. 104 Comment
  RSA0093770  Chamaesyce albomarginata Duncan S. Bell 2015-9-30 8685 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  UCSB8659  Chamaesyce albomarginata Krogen, Roger 1957-1 Riverside 4 mi. S of junction of Hwy. 195 and Hwy. 60-70 at N edge of Orocopia Mts. Comment
  RSA0121596  Chamaesyce arizonica Duncan S. Bell, LeRoy Gross 2016-3-29 9106 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5 air miles southeast of the summit of Martinez Mountain. 686 Comment
  RSA339361  Chamaesyce micromera R. F. Thorne, R. Dahlgren, Gertrud Dahlgren 1979-8-22 53583 Riverside Joshua Tree National Monument; Vicinity of Ryan Campground to base of Ryan Mountain. 1319 Comment
  RSA0042474  Chamaesyce polycarpa Deidre Conocchioli, Kristin Forgrave, April Garbat 2013-8-13 1 Riverside Chuckwalla Valley Road approximately 4 miles east of Corn Springs 194 Comment
  RSA685680  Cheilanthes clevelandii Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  UCR144101  Cheilanthes clevelandii Scott D. White 1998-2-7 6070 Riverside Agua Tibia Mtns, N boundary of USFS Agua Tibia Wilderness, c. 1 air mi south of the Hwy 79 junction with Woodchuck Road 640 Comment
  JOTR35481  Cheilanthes covillei La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3169 Riverside Joshua Tree National Park. Little San Bernardino Mtns, below Lower Covington Flats, W of Smithwater Canyon,(Biodiversity Hunt stop1) 1341 Comment
  RSA0123694  Cheilanthes covillei Duncan S. Bell, LeRoy Gross 2016-3-30 9161 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7.5 air miles southeast of the summit of Martinez Mountain. 970 Comment
  SEINET903950  Cheilanthes covillei Norman C. Cooper 1944-1 1193 Riverside Banning. 701 Comment
  POM12437  Cheilanthes newberryi Philip A. Munz 1922-4-30 5127 Riverside Hemet Butte Comment
  UC812278  Cheilanthes parryi Ivan Johnston 1917-4-4 Riverside Palm Canyon; Colorado Desert 304 Comment
  RSA598052  Cheilanthes viscida S. B. Parish, W. F. Parish 2310 Riverside Whitewater (Desert side of San Bernardino Mts.) Comment
  UCR119415  Chenopodium Mitch Provance 1998-6-20 706 Riverside Jurupa Mountains, Glen Avon Heights, on the north side of Conning St. (dirt road portion traversing from W to E), which lies between Campbell St. and Lindsay St. 262 Comment
  UCR114192  Chenopodium berlandieri A. C. Sanders, D. Malueg, K. D. Jones, et al 2000-9-8 23634 Riverside Perris-Aguanga Basin Region, gasline right of way across Pinto and Hoopes Ranches, east of Briggs Road at and near Warm Springs Creek, south of Scott Rd. 415 Comment
  JOTR35484  Chenopodium californicum La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3172 Riverside Joshua Tree National Park. Little San Bernardino Mtns, below Lower Covington Flats, W of Smithwater Canyon,(Biodiversity Hunt stop1) 1341 Comment
  UCR25083  Chenopodium incognitum A. C. Sanders 1980-7-18 1638 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  UCR115126  Chenopodium missouriense Mitch Provance 2000-10-28 2283 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 290 Comment
  UCR119417  Chenopodium murale Mitch Provance 1998-6-24 715 Riverside Jurupa Mountains, Canyon NE of the Jurupa Mountains Culture Center, c. 0.7km SW of peak 1701. 335 Comment
  RSA0041964  Chilopsis linearis Duncan S. Bell, Loraine Washburn 2014-4-8 s.n. Riverside Orocopia Mountains; at the entrance to Petra Canyon in Red Canyon, approximately 1 air mile north of the Bradshaw Trail. 398 Comment
  SEINET238935  Chilopsis linearis A. C. Sanders, T. B. Salvato 2000-4-27 23374 Riverside Coachella Valley: east side of Coachella Canal near the foot of the Mecca Hills vicinity of the east end of Ave. 60 (Me 15 Comment
  LA204145  Chilopsis linearis subsp. arcuata Carl Epling; William Robison 1933-6-24 sn Riverside Little San Bernardino Mountains, San Gorgonio Wash Comment
  LA99447  Chilopsis linearis subsp. arcuata Hisao P. Arai; 1957-4-18 sn Riverside Box Canyon, near Mecca; off Highway 195 Comment
  SD258903  Chilopsis linearis subsp. arcuata Sarah J. De Groot 2005-5-16 4969 Riverside Along Worsley Road paralleling Highway 62 between Dillon Road and Indian Ave, Desert Hot Sprinds area, vicinity of Morongo Creek 495 Comment
  SEINET269562  Chilopsis linearis subsp. arcuata Scott D. White 1996-5-27 4075 Riverside E. of Moreno Valley and S.of Calimesa between State Hwy. 60 and Gilman Spr. Rd. west and north of former gravel quarry 518 Comment
  UC370345  Chilopsis linearis subsp. arcuata unknown 1928-5-20 3 Riverside Palm Springs Comment
  UCD121659  Chilopsis linearis subsp. arcuata Marian L. Vincent; Richard H. Swade 1963-10-19 452 Riverside Snow Creek Road, 2 miles from its intersection with California State Hwy. 111. 365 Comment
  UCR130515  Chloris virgata R. E. Riefner Jr. 2003-10-21 03- 459 Riverside Perris-Aguanga Region, Menifee Valley, along Newport Road 1 mile east of Goetz Road intersection 427 Comment
  UCR18830  Chlorogalum pomeridianum John C. Roos 1952-6-8 5749 Riverside Reche Canyon 549 Comment
  RSA774306  Chorizanthe brevicornu Duncan S. Bell 2011-4-8 2195 Riverside Northwest section of the Granite Mountains; approximately 1 air mile southeast of junction of Highway 62 and Highway 177. 470 Comment
  RSA340187  Chorizanthe brevicornu var. brevicornu Robert F. Thorne, W. A. Tilforth 1980-5-28 54177 Riverside San Bernardino Mountains: Whitewater ridge above old bridge. Comment
  SD225062  Chorizanthe brevicornu var. brevicornu G. K. Helmkamp 1998-2-5 2639 Riverside Palm Springs, 1.1 mi. W of CA Hwy 111 on Tramway Rd. 334 Comment
  UC849185  Chorizanthe brevicornu var. brevicornu I. W. Clokey 1935-4-17 6595 Riverside Cottonwood Springs Comment
  RSA392657  Chorizanthe corrugata N. C. Cooper 1949-4-8 3235 Riverside Indio. Mecca Pass, east of Indio. 457 Comment
  RSA674686  Chorizanthe corrugata Scott D. White 2001-4-27 8424 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway ca. 15 miles east of the Indio jtn. of I-10/ SR-111. Bajadas and washes adjacent to powerline access roads near unnamed freeway exit accessing pump station. 396 Comment
  UC1287109  Chorizanthe corrugata C. L. Hitchcock 1966-3-20 24304 Riverside along road to Blythe 20 mi n Ogilby; n of Ogilby Comment
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Mar 2 2013
  SD245440  Chorizanthe fimbriata R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49557 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons. Comment
  UCR116696  Chorizanthe fimbriata George K. Helmkamp 1974-7-16 s.n. Riverside Santa Ana Mtns. region, Ortega Oaks Park on Hwy 74 610 Comment
  RSA487227  Chorizanthe leptotheca James L. Reveal, Rose Broome 1987-6-27 6611 Riverside Along the road toward Lake Hemet Campground on the N shore of Lake Hemet, 0.2 mile E of the Lake Hemet Picnic Area and 0.8 mile W of California Hwy 74. 1631 Comment
  UCR35077  Chorizanthe leptotheca L. B. Ziegler 1967-6-19 162 Riverside San Jacinto Mtns., Bautista Creek Canyon 762 Comment
  CLARK-A1528-3602  Chorizanthe parryi John C. Roos 1950-5-27 4819 Riverside Reche Canyon 761 Comment
  POM122120  Chorizanthe parryi var. parryi Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  CAS-BOT-BC246236  Chorizanthe rigida Roxana S. Ferris; Rimo Bacigalupi 1958-3-19 13261 Riverside U.S. gypsum mine property in Little Maria Mts., 2.3 mi. above Midland P.O. Comment
  POM10485  Chorizanthe staticoides Charlotte M. Wilder 1903-6-4 203 Riverside Wilder's Canyon. Jurupa Hills. Comment
  RSA779950  Chorizanthe xanti var. leucotheca Duncan S. Bell, Jennifer Pilapil 2011-5-19 2479 B Riverside A side canyon off of Mission Creek canyon approximately 4.5 air miles up canyon from the junction of Highway 62 and Mission Creek Road. 946 Comment
  POM295630  Chrysothamnus paniculatus Lyman Benson 1952-12-29 15085 Riverside 2 miles NW of the jct of Hwy 99 and Palm Springs Road 457 Comment
  RSA696805  Chrysothamnus paniculatus Anonymous 1928-12-4 399 Riverside Canon Mouth of Canon West of Morongo Inn. Comment
  JEPS23478  Chylismia arenaria Marjorie D. Clary 1932-12-18 1715 Riverside Clemens Well Colorado Desert, Orocopia Mountains (at foot of mountains) 243 Comment
  UCSB4394  Chylismia brevipes Long, Frances 1939-12-31 Riverside Salton Sea Comment
  RSA0118063  Chylismia cardiophylla subsp. cardiophylla Sarah J. J. De Groot, Thomas Stoughton 2016-2-18 7620 Riverside Mecca Hills: side canyon (east fork) of Painted Canyon. 182 Comment
  SBBG28551  Chylismia claviformis subsp. aurantiaca D. Myrick 1964-4-30 817 Riverside Pines to Palms Hwy 74, 12 mi W of Palm Desert 1066 Comment
  UC1184362  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-2-15 11584 Riverside along US Hwy 60 24.7 mi e turn to Corm Springs; Chuckwalla Mountains Comment
  UC1184365  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-1-24 11470 Riverside on road to Cottonwood Springs 4.5 mi n State Highway 195 Comment
  UC1184367  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-1-23 11420 Riverside along US Hwy 99 8.6 mi w Thousand Palms turnoff Comment
  RSA0125087  Chylismia claviformis subsp. claviformis Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8768 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting near the Martinez Slide, approximately 4 air miles northeast of the summit of Martinez Mountain. 264 Comment
  CAS-BOT-BC279839  Cichorium intybus John Green 2004-7-1 s.n. Riverside Santa Ana River Valley: just NW of Riverside Municipal Airport, drainage ca. 0.3 mi. south of Jurupa Road, just east of Van Buren Blvd 229 Comment
  SD232176  Cirsium occidentale var. occidentale Scott D. White 2003-3-21 8796 Riverside Santa Ana Mountain Foothills: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. 121 Comment
  CAS-BOT-BC438859  Cistanthe monandra Javier Penalosa 1963-4-10 2775 Riverside Deep Canyon, 3 mi. south of Palm Desert. 213 Comment
  RSA0021296  Cistanthe monandra Duncan S. Bell, Kim Clark, Keir Morse, Harry Spilman 2013-3-30 4660 A 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
  RSA678340  Cistanthe monandra Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10477 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  RSA699173  Cistanthe monandra J. Russell Bruff 1928-4-2 110 Riverside Canyon wash 1 mile west of Morengo. Comment
  RSA714629  Citrullus colocynthis Mitch Provance 2003-5-25 s.n. Riverside Santa Ana River Valley: north side of Ab Brown Park, along Placentia Lane 0.5 mi. SW of the La Loma Hills. 255 Comment
  UCR97658  Citrus sinensis A. C. Sanders 1997-3-2 19774 Riverside Riverside: north of Spruce Street between the railroad tracks and the Gage Canal, near foot of Box Springs Mountains. 305 Comment
  RSA769618  Clarkia E. W. Lathrop 1974-6-4 7401 Riverside 3 miles southwest of Corona, Cleveland National Forest, Trabuco District 274 Comment
  CAS-BOT-BC172424  Clarkia bottae A. J. McC. 1892-5-1 73 Riverside Elsinore Comment
  RSA162768  Clarkia dudleyana J. D. Olmsted 1959-4-30 510 Riverside Spring Trail at Beacon Pines Ranch; 9 miles SW of Corona; Mt. Range: Santa Ana Mts; Drainage area: to Santa Ana River. Comment
  UCR139193  Clarkia epilobioides Virginia Moran 2003-4-9 s.n. Riverside Peninsular Range, Warm Springs Preserve (managed by Center for Natural Lands Management), approximately 8 km north of Temecula and 3 km northeast of the [west?] end of Hunter Road 427 Comment
  UCR48384  Clarkia epilobioides Steve Boyd 1986-4-22 1768 Riverside Peninsular Range, Temescal Canyon, E side of Indian Wash, south of I-15 Comment
  POM97004  Clarkia epilobioides P. A. Munz 1926-5-2 10422 Riverside 5 miles NW of Dripping Spring. Comment
  UCR172765  Clarkia purpurea Abby Sirulnik, Ian G. Gillespie 2000-5-14 51 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
  UCR201638  Clarkia purpurea Scott D. White, Justin M. Wood 2008-6-18 12212 Riverside San Jacinto Mountains, K Flat Meadow 1445 Comment
  SBBG122773  Clarkia purpurea subsp. quadrivulnera A. Parikh 1990-4-26 158 Riverside S of Crown Valley, E of Rawson Cyn, 0.7 km ESE of intersection of Crown Valley Rd and Rawson Rd 660 Comment
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Apr 29 2011
  UCR49249  Clarkia purpurea subsp. quadrivulnera Steve Boyd 1986-4-19 1709 Riverside Temescal Canyon, Temescal Canyon: flats at SE end of Alberhill Mtn. 396 Comment
  CLARK-A1045-67  Clarkia similis George K. Helmkamp 1978-5-18 Riverside San Jacinto Mountains along State Highway 243 [vicinity of Mountain Center?]; in chaparral; ; Idyllwild 15'Q 1219 Comment
  UCR158314  Clarkia unguiculata A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30050 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
  RSA613462  Claytonia perfoliata D. L. Banks, Victor Steinmann 1997-3-13 1430 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  UCR138726  Claytonia perfoliata Julie A. Greene 1993-4-10 1128 Riverside San Jacinto Wildlife Area 476 Comment
  UCR214146  Claytonia perfoliata A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37710 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, 0.3 mi NNE (14 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 405 Comment
  RSA552736  Clematis lasiantha Steve Boyd, Tim S. Ross, Orlando Mistretta 1992-3-31 6758 Riverside San Mateo Cyn. Wilderness Area. Tenaja Trail from jtn w/ Morgan Tr. S to Pigeon Spring area. 670 Comment
  CLARK-A1528-3851  Clematis ligusticifolia John C. Roos 1965-10-7 Riverside Riverside Comment
  RSA291596  Clematis pauciflora C. W. Tilforth, Walter Wisura 1979-4-11 1787 Riverside Hills on south side of Lake Skinner, east of Murrieta. 427 Comment
  RSA650744  Cleome isomeris R. J. Silva 1949-2-15 s.n. Riverside Found 15 mi. east of Beaumont. 716 Comment
  SEINET3089077 Image available Cleome isomeris C. F. Shutts 1949-3-19 57 Riverside Cottonwood Pass, Little San Bernardino Mtns. 305 Comment
  RSA721126  Cnicus benedictus Pomeroy 1929-5-11 s.n. Riverside Lake Elsinore Comment
  SBBG70871  Coleogyne ramosissima R. H. Nordhoff 1940-11-11 591 Riverside Morongo Pass Comment
  RSA0117428  Collinsia concolor Steve D. Boyd, Tim S. Ross, Mike Hammitt 1991-5-2 6062 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  SEINET3079496 Image available Collinsia concolor Don Mitchell 1990-4-30 Riverside W side of Sage Road, ca. 1/2 mi. S of intersection with Wilson Valley Road. (Sage 7.5' USGS quad) 701 Comment
  CLARK-A1528-849  Collinsia heterophylla F. Zaebst 1959-4-29 Riverside Temecula Comment
  SFV3353  Collinsia heterophylla P. G. Kilburn 1958-5-31 836 Riverside San Jacinto Mountains Hemet Valley. 10.6 miles south of campground turnoff road, north of Idylwild. 1372 Comment
  VVC27  Conium maculatum P. J. MacKay 1975-6-1 s.n. Riverside Cismontane S Cal, Chino vic Euclid Ave bordering a channel from Prado Dam 159 Comment
  RSA562438  Conium maculatum Steve Boyd, Timothy S. Ross 1992-5-6 7266 Riverside Southern Santa Ana Mountains, San Mateo canyon Wilderness area. West of Verdugo Portrero, along access road to Rancho Carillo(7S06) on ridge dividing Verdugo and Aliso Canyons, just east of Riverside-Orange Co. Line 671 Comment
  RSA535155  Convolvulus simulans Steve Boyd, Timothy S. Ross 1991-6-14 6405 Riverside Paloma Valley, between Sun City and Murrieta, E of Hwy I-215, rolling hills just SW of jtn of Briggs Rd and Scott Rd. Comment
  SBBG101645  Convolvulus simulans S. Boyd with T. Ross 1991-6-14 6405 Riverside Paloma Valley, between Sun City and Murrieta, E of Hwy I-215, just SW of jct of Briggs Rd and Scott Rd Comment
  RSA191393  Conyza bonariensis E. W. Lathrop, R. F. Thorne 1967-10-27 6677 Riverside 5 mi. NW of Murrietta, Santa Rosa Ranch. Comment
  UCR110414  Conyza floribunda A. C. Sanders, Mitch Provance, T. B. Salvato, O. F. Clarke 1999-10-5 23134 Riverside Peninsular Range, Riverside, new O.F. Clarke residence on Frost Court (former Al Boyce residence), E edge of UCR campus 354 Comment
  SD229209  Cordylanthus rigidus subsp. setiger Dick Schwenkmeyer 2012-8-6 774 Riverside Garnet Queen Mine on Santa Rosa Mountain road, 4.1 miles southeast of the intersection of highway 74 and Santa Rosa Mountain Road. 1834 Comment
  SD255088  Corethrogyne filaginifolia Duncan S. Bell, Sandra Llamas and Koto Tikande 2015-7-16 8578 Riverside Santa Rosa Mountains; on a small ridge/summit area just to the south of the summit of Santa Rosa Mountain. 2438 Comment
  SD229080  Corethrogyne filaginifolia var. filaginifolia Dick Schwenkmeyer 2012-8-28 812 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
  UCR97444  Crassula connata A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19865 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  UCD126208  Cressa truxillensis Rimo Bacigalupi; G. T. Robbins 1954-5-16 4467 Riverside valley of San Jacinto River, one-half mile west of Lakeview and just east of Lakeview (formely Ginsberg) Hot Springs. 432 Comment
  CLARK-A1528-2620  Crossosoma bigelovii John C. Roos 1967-3-25 Riverside Whitewater Canyon Comment
  RSA0121039  Crossosoma bigelovii Duncan S. Bell, LeRoy Gross 2016-3-29 9108 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5 air miles southeast of the summit of Martinez Mountain. 686 Comment
  JOTR28933  Croton californicus La Doux, Tasha, Bill Truesdell, Erin Babich 2005-3-7 1168 Riverside Joshua Tree National Park. Eagle Mountains, southeast end near Pinto Wells 316 Comment
  RSA480584  Croton californicus Elbert Benjamine 1929-4-7 121 Riverside San Gorgonio Pass. Comment
  RSA480569  Croton californicus var. mohavensis Christopher Davidson 1979-4-29 7818 Riverside West of Indio, 3 miles E of Date Palm Dr. 15 Comment
  UCR65273  Crypsis schoenoides Steve Boyd, Orlando Mistretta 1989-7-18 3764 Riverside Peninsular Range, Vail lake area, conflence of Kolb Creek with lake. 427 Comment
  UCR193481  Cryptantha A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35575 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.25 mi SW of Fleming Ranch, near May Valley Rd. 1570 Comment
  UCR193744  Cryptantha A. C. Sanders, Mitch Provance 2008-7-11 35747 Riverside Peninsular Range; San Jacinto Mtns., 3/4 mi. NE of Mountain Center, c. 1/4 mile NE of Keenwild Fire Station, near road to helipad 1494 Comment
  CHSC143  Cryptantha angustifolia R. Baker 1935-4-15 Riverside Thermal. Comment
  CLARK-A1045-220  Cryptantha angustifolia George K. Helmkamp 1979-4-18 Riverside Little San Bernardino Mountains 3.5 miles north of Dillon Road; dry wash; Lost Horse Mtn. 15'Q Comment
  POM368204  Cryptantha angustifolia Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-29 7811 Riverside West of Indio, 3 miles E of Date Palm Dr. 15 Comment
  RSA652889  Cryptantha angustifolia John Wallace, Steve McNabb 1991-5-5 9 Riverside Approximately one mile south of Thompsons Camp. Comment
  RSA798154  Cryptantha angustifolia Marc Baker, Michelle Cloud-Hughes 2011-12-18 17505 Riverside 67 km WNW of Blythe, 17 km west of Palen Pass, 27 km NNE of Desert Center. 177 Comment
  SBBG104073  Cryptantha angustifolia A. C. Sanders, E. J. Lawlor 1992-4-4 12111 Riverside within 0.5 mi of McCoy Spring; alluvial slopes below and to the S and cyn bottom above the spring 243 Comment
  SBBG97219  Cryptantha angustifolia W. L. Halvorson 1977-3-8 77 -83 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  SEINET235768  Cryptantha angustifolia Scott D. White 1998-2-9 6082 Riverside Coachella Valley La Quinta/Palm Desert Area: Whitewater River Channel at and near Miles Ave. crossing. 30 Comment
  UC79308  Cryptantha angustifolia T. S. Brandegee 1901-3-28 Riverside Indian Wells Comment
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Jul 5 2010
  UCR52015  Cryptantha angustifolia Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2123 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  SBBG92731  Cryptantha barbigera D. Charlton 1988-2-18 1133 Riverside Fargo Cyn Rd to Cottonwood Wash, parallel to Interstate 10, ca. 1 mi E of jct of Dillon Rd and Fargo Cyn Rd 609 Comment
  UC1546670  Cryptantha barbigera Barry A. Prigge 1988-2-21 7849 Riverside 2 mi w Clemens Well; Colorado Desert, Orocopia Mountains 228 Comment
  UCR167272  Cryptantha barbigera John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  UCR279549  Cryptantha barbigera A. C. Sanders, Jim Malusa 2017-3-25 43001 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  UCR41595  Cryptantha barbigera A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6116 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UCR88115  Cryptantha barbigera A. C. Sanders, G. Nuhn 1995-4-20 16595 Riverside Sonoran (Colorado) Desert, Coachella Valley, near Fan Hill, NE of Dillon Road on an abandoned road, below Little San Bernardino Mtns. NE of 1000 Palms 549 Comment
  GMDRC7789  Cryptantha barbigera var. fergusoniae J. M. Andre 2015-3-6 33550 Riverside Coachella Valley: sandy flats along Snow Canyon Rd, just south of Hwy 111 362 Comment
  JOTR29581  Cryptantha circumscissa Andre, Jim 2006-4-6 6694 Riverside Joshua Tree National Park. Wilson Canyon, along Pinto Basin Rd 865 Comment
  POM3853  Cryptantha costata H. M. Hall 1905-5-1 5974 Riverside Hodges Mountains Comment
  RSA79572  Cryptantha costata F. W. Peirson 1918-03 5798 Riverside Irrigated field near Indio. Comment
  JOTR28952  Cryptantha dumetorum La Doux, Tasha 2005-3-30 1188 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  GMDRC5516  Cryptantha inaequata J. Andre 2012-3-19 21382 Riverside Palen Mountains: along Palen Pass Rd at Palen Pass 383 Comment
  SEINET3347394 Image available Cryptantha inaequata David Silverman 2010-3-24 7825 Riverside Sonoran (Colorado) Desert; South Palen Lake, Chuckwalla Valley, 5.0 km SE of Sidewinder Well, 2.4 km SW of Palen Dunes Dr., and 3.7 km N of Interstate 10 130 Comment
  SD137841  Cryptantha intermedia Darin L. Banks, Steve Boyd 1995-5-3 255 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, East of the Dripping Springs Alcove Area, along the lower alluvial benches ofArroyoSeco 518 Comment
  UCR177150  Cryptantha intermedia Scott D. White, Michael Honer 2003-4-25 9107 Riverside San Bernardino Mtns, Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm, west side of road 671 Comment
  UCR47322  Cryptantha intermedia D. C. Hawks 1987-5-16 s.n. Riverside Terwilliger Valley, S of Anza, Terwilliger Road, 0.9 mi. south of intersection with Wellman Road 1189 Comment
  RSA617205  Cryptantha maritima L. C. Wheeler 1953-3-31 7038 -b Riverside North slope at foot of limestone face which concentrated water by its runoff. Comment
  SBBG37502  Cryptantha maritima R. N. Muller, S. Lindsey 1967-5-11 Riverside 1.9 mi S on rd to top of Box Springs Mtns from its jct with Pigeon Pass Rd Comment
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Mar 23 2014
  UCR213258  Cryptantha maritima A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37451 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  UCR92483  Cryptantha maritima George K. Helmkamp 1995-3-16 s.n. Riverside Sonoran (Colorado) Desert, Below Coxcomb Mtns., west of Rice Rd., 10.3 mi. NE of Desert Center 200 Comment
  RSA703480  Cryptantha maritima var. maritima LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1425 -a Riverside Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  RSA676087  Cryptantha microstachys Scott D. White 2001-4-13 8325 Riverside Badlands; County landfill area north of Moreno Valley. About 1/4 air mi NW of the SR-60 Freeway jtn with Gilman Springs Rd. 595 Comment
  UCR133402  Cryptantha microstachys Tracy Tennant, J. S. Ross 1998-5-7 MOR- 94 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Wood Canyon (polygon W8), c. 0.6miles NNW of Cabazon. 1280 Comment
  UCR91510  Cryptantha microstachys Scott D. White, M. Jacobsmeyer 1996-4-20 3942 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore. c. 1 road mi east of Bundy Canyon Road exit from Hwy I-15 freeway. south of road. 451 Comment
  SD227781  Cryptantha muricata A. C. Sanders 1994-5-30 14595 Riverside San Bernardino Mountains: NNE of Beaumont at Highland Springs, hills N of the end of Bellflower Ave. at Dutton St. 950 Comment
  HSC3583  Cryptantha muricata var. jonesii C. L. Hitchcock 1966-3-15 24157 Riverside 1 mi. E of Glen Ivy Hot Springs Comment
  RSA771786  Cryptantha muricata var. jonesii Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4702 -a Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65121 604 Comment
  UCD119940  Cryptantha muricata var. jonesii C. L. Hitchcock 1966-3-15 24157 Riverside 1 mile east of Glen Ivy Hot Springs. Comment
  SD247358  Cryptantha nemaclada T. B. Salvato, John F. Green 2004-5-27 571 Riverside San Bernardino Mountins; head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1.0 mile SE of Oak Glen Conservation Camp. 1341 Comment
  UCR41828  Cryptantha nevadensis A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6115 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UCR279491  Cryptantha pterocarya var. cycloptera A. C. Sanders, Jim Malusa 2017-3-25 43002 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  UCR214870  Cryptantha pterocarya var. stenoloba A. C. Sanders 2010-3-15 37401 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
  JEPS67811  Cryptantha racemosa W. L. Jepson 1928-4-25 12580 Riverside Cottonwood Spr. Colorado Desert, Eagle Mts. 731 Comment
  POM13228  Cryptantha racemosa E. C. Jaeger 1921-03 1117 Riverside Martinez Canyon [I think Martinez Cyn. should be either in the San Jacinto Mtns. region or in the western Colo Des region -- the Martinez Cyn I know of is in the Santa Rosa Mtns. -SDW 2004] Comment
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Feb 18 2013
  VVC1338  Cryptantha racemosa A. C. Sanders, J. Mac 1996-11-23 19653 Riverside San Bernardino Mtns., Whitewater Canyon, just below the fish hatchery 648 Comment
  RSA0014935  Cryptantha simulans LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6151 Riverside Along road (5S24). End of Marion Ridge road, south of the community of Pine Cove. Ridge running south down to Idyllwild school of performing arts, west of Strawberry Valley. 1799 Comment
  CLARK-A1045-222  Cryptantha utahensis George K. Helmkamp 1979-4-18 Riverside Little San Bernardino Mountains 3.5 miles north of Dillon Road; sandy wash; Lost Horse Mtn. 15'Q Comment
  SEINET2042095 Image available Cryptantha utahensis A. C. Sanders 2001-4-8 23985 Riverside (Desert Hot Springs Quad 7.5') Coachella Valley, Desert Hot Springs, N of intersection of Pierson Blvd. And Atlantic Ave, N of flood control ditch. 348 Comment
  RSA388505  Cuscuta californica Steve Boyd 1986-5-1 1811 Riverside Bachelor Mtn.: Lower south slopes of Bachelor Mtn., east end of Lake Skinner. Comment
  RSA545270  Cuscuta californica R. F. Thorne 1967-12 41891 Riverside Palm desert Comment
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Jun 16 2013
  RSA653582  Cuscuta campestris A. C. Sanders, D. E. Bramlet, Mihai Costea, T. Salvato 1999-10-15 23171 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. S of Eden Hot Spr. [UTM 10km cell: 11S MH-9E, 4N. Mt. Rudolph] 433 Comment
  SFV7077  Cuscuta campestris T. Gordon, K. A. Wilson, M. H. Grayum, K. Felt 1974-11-16 777 Riverside Bottomlands of Colorado River at Agnes Wilson Road. 104 Comment
  RSA309656  Cuscuta indecora J. C. Roos 1951-9-25 5254 Riverside West end Fairmount Park 259 Comment
  RSA735178  Cuscuta subinclusa Scott D. White, Justin M. Wood 2005-9-27 11232 Riverside San Gorgonio Pass: Cabazon: Alluvial benches and braided dry channels south of Interstate 5 [I-10] and west of San Gorgonio River. 579 Comment
  SBBG30056  Cuscuta subinclusa L. C. Wheeler 1933-12-1 2284 Riverside San Gorgonio wash at Southern Pacific Railroad, San Gorgonio Pass 640 Comment
  SEINET4604351 Image available Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2012-9-11 17610 .2 Riverside Cottonwood Mountains, Joshua Tree National Park, north side of Cottonwood Canyon, 275 m west of Wood Spring, 580m SW of Cottonwood Spring, 37km east of Indio 881 Comment
  POM281250  Cylindropuntia echinocarpa H. G. Rush 1951-6-6 190 Riverside Big Maria Mountain Range. 26 miles north of Blythe on Highway 95. 91 Comment
  SEINET9037808 Image available Cylindropuntia echinocarpa M. A. Baker, Michelle Cloud-Hughes 2015-1 18412 Riverside San Gorgonio River, 2.5km SW of Cabazon, 28km WNW of central Palm Springs 538 Comment
  RSA0083636  Cylindropuntia ganderi Lyman Benson 1955-12-6 15627 Riverside San Jacinto Mountain Range. Pines-to-Palms Highway. 1220 Comment
  HSC46678  Cylindropuntia ramosissima B. C. Templeton Apr 1965 10526 Riverside Joshua Tree Comment
  RSA297076  Cymopterus panamintensis var. acutifolius John F. Emmel 1974-4-27 486 Riverside Canyon 0.4 air mile NE of peak 3263 on 1956 USGS topographic quad. N end Coxcomb Mts. 762 Comment
  UCR22187  Cynodon dactylon E. W. Lathrop 1959-4-26 4504 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau; 14 miles west of Murrieta Comment
  UC1584121  Cyperus difformis Steve Boyd 1989-7-23 3788 Riverside Santa Ana River just downstream of old city dump at w. extension of Rubidoux Ave. Riverside; Santa Ana River, Riverside Comment
  CLARK-A1528-1  Cyperus eragrostis Fred B. Essig 1966-9-12 Riverside Riverside Comment
  RSA544303  Cyperus eragrostis Steve Boyd 1991-7-13 6408 Riverside Temescal Canyon, W base of Gavilan Hills, site of old glass factory between Temescal Wash & I-15, just S of Cajalco Road. Comment
  UC303942  Cyperus eragrostis Crawford and Johnston 1917-6-9 15 Riverside Santa Ana R. at Corona; Santa Ana R. Comment
  UCR109736  Cyperus eragrostis T. W. Fisher 1963-9-20 s.n. Riverside Riverside, Santa Ana River 213 Comment
  RSA289840  Cyperus odoratus B. A. Prigge 1980-9-17 4074 Riverside Coachella Valley Stormwater Channel: 1.5 miles N of Coachella where Dillon Road crosses channel. -12 Comment
  UCR93231  Cyperus odoratus A. C. Sanders 1994-7-27 15164 Riverside Riverside, Santa Ana River between the San Bernardino Co. line & the Market Street Bridge 246 Comment
  POM10287  Cyperus parishii Charlotte M. Wilder 1905-06 615 Riverside Wilder s [near Riverside] Comment
  UCR119808  Cyperus squarrosus A. C. Sanders, T. B. Salvato, E. J. Lawlor, C. L. Sanders, et al 1999-8-22 23063 Riverside San Jacinto Mtns., NW shore of Lake Hemet, at Forest Service day use area 1322 Comment
  UCR2294  Dactylis glomerata C. A. Johnson 1915-6-14 s.n. Riverside Rubidoux, Citrus Experiment Station 259 Comment
  RSA598033  Dactylis glomerata F. M. Reed 1933-5-15 s.n. Riverside Riverside. 290 Comment
  CDA26961  Dalea mollissima W. E. Henson 1930-3-1 3694 Riverside Chuckawalla Valley. 0 Comment
  JOTR36187  Dasyochloa pulchella La Doux, Tasha, B. Truesdell, M. Wheeler 2013-10-31 3336 Riverside Joshua Tree National Park. Queen Mountain; near Split Rock, approx 0.5 km SE of Elton Mine 1330 Comment
  RSA0027466  Dasyochloa pulchella Deidre Conocchioli, Billy Sale, Naomi Fraga 2013-9-25 59 Riverside East of Alligator Rock: From I-10 at Desert Center, head south on CA-177 to BLM Rd 394 (dirt). Collection site is 1.1 miles SW of interstate exit ramp. 334 Comment
  RSA603267  Dasyochloa pulchella Joseph A. Ewan 1933-2-20 10843 Riverside Southwest side Pinto Basin Comment
  UCR84862  Datisca glomerata Peter L. Morrell, Stan C. Spencer 1993-5-28 244 Riverside San Bernardino Mtns., bank of San Gorgonio River, c. 4.25 air mi north of gate at entrance to Banning Canyon 1600 Comment
  POM319103  Datura stramonium Patricia Wilder 1970-10-30 4854 Riverside Along road on south side of Prado Flood Control Basin east of Prado Dam. East of Chino Hills, Santa Ana River Drainage Area. 152 Comment
  RSA775442  Datura wrightii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4444 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
  UCR480  Datura wrightii Rodney Hendrick 1965-3-14 s.n. Riverside Sonoran (Colorado) Desert, About 3 mi east of Mecca on Box Canyon Road 0 Comment
  HSC85253  Daucus pusillus Steve Boyd 1986-4-22 1736 Riverside Temescal Canyon: Walker Canyon area, where Alberhill Creek (=Temescal Creek) flows between Alberhill Mtn. and Gavilan Hills. Comment
  OBI5733  Deinandra fasciculata C. M. Wilder 2004-6-4 s.n. Riverside Jurupa Hills near Riverside, Wilder's Cyn Comment
  UC32757  Deinandra kelloggii Geo. F. Reinhardt 1897-6-1 Riverside San Jacinto Valley Comment
  CAS-BOT-BC131020  Deinandra mohavensis A. C. Sanders; T. Schram; D. Wappler 1994-10-4 15771 Riverside San Jacinto Mountains: Brown Creek drainage 0.3-0.5 mi. above confluence w/ Twin Pines Cr. 915 Comment
  SD187346  Deinandra paniculata R. e. Riefner Jr. 2007-6-16 07 263 Riverside Hemet, Bautista Canyon, 2.8 miles east of Fairview Ave. on Bautista Rd. 693 Comment
  UC1930979  Deinandra paniculata T. B. Salvato, Gregg Miller 2005-6-3 1378 Riverside Peninsular Range; Perris-Aguanga Basin Region: ca 3 mi SW of Perris, 1.7 mi SW of the Goetz Road crossing of the San Jacinto River and ca 0.25 mi S of Ethanac Road Comment
  RSA301798  Delphinium parishii James E. Cole 1942-5-10 951 Riverside Joshua Tree National Monument. 1341 Comment
  RSA398677  Delphinium parishii Bonnie C. Templeton 1930-4-9 1086 Riverside North of Palm Springs, Colorado Desert. 430 Comment
  UC64119  Delphinium parishii H. M. Hall June 1901 2161 Riverside e base of mts along borders of Colorado Desert; San Jacinto Mountains Comment
  CAS-BOT-BC7860  Delphinium parishii subsp. subglobosum K. Watkins; E. McClintock 1937-4-10 s.n. Riverside Palms to Pines Highway, 2 mi. above valley Comment
  CLARK-A1528-3865  Delphinium parryi John C. Roos 1937-5-2 1415 Riverside La Sierra Comment
  RSA784840  Delphinium parryi J. D. Olmsted 1962-5-2 3461 Riverside In small arroyo north of turn from US 60 to Gilman Hot Springs, San Timoteo Badlands 564 Comment
  CAS-BOT-BC121433  Delphinium parryi subsp. parryi P. C. Everett 1935-6-17 7160 Riverside Santa Ana Mts., Coldwater Canyon, trail to Santiago Peak, 2 mi above Glen Ivy Resort 609 Comment
  SD152771  Delphinium patens subsp. hepaticoideum Steve Boyd 1992-4-15 6862 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. downstream to the confluence with San Mateo Creek 334 Comment
  LA45861  Dendromecon rigida A. M. Johnson; 1932-8-18 4137 Riverside San Jacinto Mountains, E side along road Comment
  UC1287009  Dendromecon rigida C. L. Hitchcock 1966-3-15 24160 Riverside in wash 3 mi e Glen Ivy Hot Springs Comment
  SEINET3507676 Image available Descurainia pinnata C. F. Shutts 1949-3-19 52 Riverside White Tank Joshua Tree Natl. Mon. Comment
  UC856042  Descurainia pinnata I. W. Clokey 1935-4-17 6650 Riverside Cottonwood Springs Comment
  UCR279579  Descurainia pinnata A. C. Sanders, Jim Malusa 2017-3-28 43154 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  UCR16142  Descurainia pinnata subsp. menziesii A. C. Sanders 1973-4-28 00225 Riverside Peninsular Range; San Jacinto Mtns., east of Garner Valley, along switchbacks in trail from Morris Ranch Road to Cedar Springs 2012 Comment
  JOTR01031  Descurainia pinnata subsp. ochroleuca Cole, James E. 1941-4-15 599 Riverside Joshua Tree National Park. 1 MILE ABOVE PINON WELL 1493 Comment
  UCR201427  Descurainia sophia Scott D. White, Justin M. Wood 2008-6-17 12161 Riverside San Jacinto Mountains, Garner Valley, USFS Kenworthy Station 1402 Comment
  RSA33579  Dicentra chrysantha N. C. Cooper 1944-6-4 1359 Riverside Elsinore Mountain; Lookout at top. 1067 Comment
  SEINET2084064  Dicentra chrysantha G. Rink 1999-9-22 sn Riverside San Jacinto Mountains, next to Highway. 243, 8 miles south of Banning, 1250 Comment
  UCR174364  Dichelostemma capitatum A. C. Sanders 2006-5-19 32409 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCSB840  Dichelostemma capitatum Kamb, Peter 1947-6-8 Riverside Hall Canyon, San Jacinto Mts 1645 Comment
  CAS-BOT-BC291031  Dimorphotheca sinuata Ed LaRue 1989-4-7 s.n. Riverside Woodcrest area: 1/2 mi. NE of the intersection of Van Buren Blvd & Mockingbird Canyon Road 365 Comment
  CAS-BOT-BC150935  Diplacus bigelovii var. bigelovii D. A. Johansen; J. A. Ewan 1932-4-11 7093 Riverside Martinez Canyon, Santa Rosa Mts. 304 Comment
  CAS-BOT-BC152920  Diplacus brevipes A. M. Vollmer; L. Beane 1953-6-29 20 Riverside Oak Glen, San Bernardino Mountains Comment
  CAS-BOT-BC153094  Diplacus fremontii Peter H. Raven; R. Snow 1957-7-26 11121 Riverside 1.8 mi. above Lake Fulmor San Jacinto Mts. Comment
  RSA0019408  Diplacus fremontii Henry J. Ramsey, Henry J. Ramsey 1939-4-23 392 Riverside Hemet, Anza, Bautista Creek Rd. Comment
  UCR239908  Diplotaxis muralis O. F. Clarke 2003-4-1 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  SBBG541  Distichlis spicata H. and M. Dearing 1936-12-25 Riverside near Thousand Palms Comment
  CLARK-A1656-860  Distichlis spicata subsp. spicata Jon Mark Stewart 1983-10-10 Riverside Indio Hills 121 Comment
  HSC47315  Ditaxis lanceolata R. W. Spjut, C. E. Edson 1978-5-6 5030 Riverside Colorado Desert, N face of Chuckawalla Mtns., 2.7 mi. S of Desert Center 335 Comment
  JOTR29446  Ditaxis lanceolata La Doux, Tasha, Mike Bell 2006-3-8 1344 Riverside Joshua Tree National Park. Hayfield spring Comment
  UCR234815  Ditaxis lanceolata Jim Andre, Glenn L. Clifton 2011-2-22 17480 Riverside Coachella Valley, 1.2 mi due south of Windy Point (at Hwy 111, just southwest of 'The Cove' housing development near Blaisdell Creek, at base of San Jacinto Mountains 320 Comment
  JOTR35006  Ditaxis neomexicana La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3108 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road Comment
  RSA608168  Ditaxis neomexicana Steve Boyd, Valerie Soza, Tasha La Doux 1997-10-13 10054 A Riverside Sonoran (Colorado) Desert Chuckwalla Mtns, NW base of the range, south of Eagle Mine Rd exit on Hwy I-10. 426 Comment
  RSA717443  Ditaxis neomexicana Scott D. White, Pam De Vries 2006-3-14 11255 Riverside North of the I-10 Freeway a few mi east of Indio, at proposed I-10 / McNaughton Parkway interchange. 91 Comment
  RSA0104608  Ditaxis serrata var. californica Duncan S. Bell, Evan Meyer 2014-10-29 7676 Riverside Santa Rosa Mountains; collecting in Agua Alta Canyon, to the north of Martinez Canyon, about 6 air miles southeast of the summit of Martinez Mountain. 394 Comment
  RSA0040166  Dithyrea californica Sarah J. De Groot, April Garbat 2013-3-28 6996 Riverside Along Highway 177 at sandy area just south of the Desert Lily sanctuary, Chuckwalla Valley, just south of the Coxcomb Mountains. 152 Comment
  RSA48407  Dithyrea californica E. K. Balls 1949-4-2 12892 Riverside Highway 111 between Thermal ana Arabia. Comment
  RSA66544  Dithyrea californica F. W. Peirson 1920-2-14 4178 Riverside Whitewater Station, Colorado Desert Comment
  UC61578  Dithyrea californica Dr. R. J. Smith March 1904 100 Riverside White Water 335 Comment
  RSA615142  Dodecatheon clevelandii A. C. Sanders, O. F. Clarke, H. Forster 1997-3-2 19762 Riverside Box Springs Mountains E side of the range in Pigeon Pass area, above W end of Quail Call Drive, in canyon just west of section line. 610 Comment
  JEPS108466  Downingia bella Lisa Schultheis 1995-5-9 146 -95 Riverside Santa Rosa Plateau Preserve. Vernal Pool Trail, off of Via Volcano. Comment
  CLARK-A1045-151  Downingia concolor subsp. brevior George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains beside road; vernal pool near origin of creek; Wildomar 7.5'Q Comment
  CAS-BOT-BC41629  Draba corrugata var. saxosa Carl B. Wolf 1932-8-5 3979 Riverside San Jacinto Mountains. Summit of San Jacinto Peak. 3293 Comment
  RSA0006633  Draba saxosa Anstruther Davidson 1876-7-11 s.n. Riverside Top of Mount Jacinto Comment
  RSA634213  Drymocallis glandulosa var. reflexa Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38077 Riverside San Jacinto Mountains: San Bernardino National Forest. Above James Reserve in Hall Canyon. 1677 Comment
  UC12542  Drymocallis glandulosa var. viscida H. M. Hall July 1901 2546 Riverside along tributary of Snow Creek , trib of Snow Creek (n side San Jacinto Mountains) 1524 Comment
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Nov 27 2011
  SEINET6173084 Image available Dryopteris arguta S. Quan 1967-1 91 Riverside Ramona, Cleveland National Forest 366 Comment
  SEINET9625425 Image available Dryopteris arguta M. D. Windham 1985-7-10 716 Riverside In the San Jacinto Mts. ca. 3.70 km NNE of the summit of Rouse Hill. San Bernardino N.F. Blackburn Canyon Quad (7 1/2 min.). T5S, R2E, Sec. 27. 975 Comment
  CAS-BOT-BC126732  Dudleya lanceolata A. C. Sanders; T. B. Salvato; Matthew Malle; Jonas Winbolt 2010-5-17 38401 Riverside Peninsular Range: southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  SD143941  Dudleya lanceolata Scott D. White 1997-5-25 5248 A Riverside Bautista Canyon: Hixon Trail between trailhead at Bautista Canyon Road and intermittent stream crossing. 790 Comment
  UC147249  Dudleya lanceolata C. M. Wilder 1905-6-1 584 Riverside Wilder's Canyon Juniper Hills Comment
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Apr 2 2011
  UCR208910  Dudleya lanceolata P. A. Munz 1923-6-18 7131 Riverside Peninsular Range, Temecula Canyon Comment
  UCR84643  Dudleya lanceolata Scott D. White, S. Ogg 1994-4-21 1985 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  UCR16119  Dudleya saxosa B. A. Carlson 1978-4-30 s.n. Riverside Santa Rosa Mtns, 5 mi. south of Palm Desert, east of Hwy 74 396 Comment
  POM265678  Dudleya saxosa subsp. aloides J. C. Roos 1937-4-18 1284 Riverside Near Cabazon. Comment
  UCR237696  Dudleya saxosa subsp. aloides Orlando Mistretta, Duncan S. Bell, Janet Beckman, Joy England, K. Kane, et al. 2010-4-12 4738 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 600 Comment
  JOTR31007  Echinocereus triglochidiatus La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1292 Riverside Joshua Tree National Park. Stop 5: Hexie Mountains, steep gravel slopes above north side of Blue Cut Gorge Comment
  CHSC106538  Elatine californica Robert F. Thorne 1973-5-23 43840 Riverside SANTA ROSA PLATEAU - MESA DE COLORADO: N edge of large vernal marsh in shallow water. 609 Comment
  POM250496  Eleocharis palustris I. W. Clokey, E. G. Anderson 1935-8-21 6565 Riverside Hemet Lake. 1320 Comment
  CLARK-A1528-4600  Eleusine indica John C. Roos, Edmund C. Jaeger 1952-10-8 5899 Riverside Riverside 259 Comment
  RSA192084  Elymus elymoides E. W. Lathrop 1966-5-16 6327 Riverside Tenaja Grade, 2 miles SW of Murrieta on the Tenaja Road. Comment
  JOTR36416  Elymus elymoides subsp. brevifolius La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3362 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  UCR207342  Elymus repens O. F. Clarke 2004-5-17 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UCR2372  Elymus triticoides F. M. Reed 1907-6-23 1445 Riverside Santa Ana River, City of Riverside, old field in the Santa Ana River bottom above the bridge on the West Riverside Road 244 Comment
  HSC25791  Emmenanthe penduliflora Richard Spjut 1972-3-30 2348 Riverside Just SW of Coahulla Indian Reservation, ca. 2 miles E on Hwy. 71 from jct. 79 (near San Diego County Line) 1220 Comment
  RSA444571  Emmenanthe penduliflora Walter Wisura 1988-3-23 4215 Riverside In wash along trai aproaching 49 palms oasis, Joshua Tree National Comment
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Sep 7 2013
  RSA543174  Emmenanthe penduliflora Steve Boyd, Mike Hammitt, Tim Ross 1991-5-2 6084 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  SD130317  Emmenanthe penduliflora Ed LaRue 1990-4-13 Riverside 0.5 mile northwest of Aguanga, north of Highway 79 and west of Highway 371. 640 Comment
  SEINET10397868  Emmenanthe penduliflora Norman C. Cooper 1944-4-8 1053 Riverside Andreas Canyon 305 Comment
  SBBG6075  Emmenanthe penduliflora var. penduliflora C. H. Muller 1952-4-5 9493 Riverside White Water Cyn, 1 mi above White Water Comment
  UCR137693  Emmenanthe penduliflora var. penduliflora D. L. Banks, V. W. Steinmann 1997-3-13 1479 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  CAS-BOT-BC131165  Encelia actoni H. M. Hall 1901-6-1 2007 Riverside San Jacinto Comment
  POM4934  Encelia actoni Jenkins, L. T. Street 1917-5-30 s.n. Riverside San Jacinto. Comment
  UC154553  Encelia actoni unknown 1904-5-1 302 Riverside Cabazon 579 Comment
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Mar 28 2015
  UC495322  Encelia actoni P. A. Munz 1932-4-24 12399 Riverside Snow Creek Canyon San Jacinto Mts., Snow Creek Canyon 457 Comment
  UC665545  Encelia actoni Annie M. Alexander and Louise Kellogg 1941-5-18 2197 Riverside Cottonwood Spring Colorado Desert, Eagle Mountains, Cottonwood Spring 1021 Comment
  CAS-BOT-BC131321  Encelia farinosa Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  LA202451  Encelia farinosa Harlan Lewis; 1936-4-18 sn Riverside White Water 304 Comment
  SD43544  Encelia farinosa P. C. Everett 1945-6-7 11507 Riverside Santa Ana Mountains, Indian Canyon, 0.5 miles above U. S. Forest Service gate on Indian Canyon Truck Trail. 455 Comment
  UC1118066  Encelia farinosa A. Lewis Mar 1933 180 Riverside Rubidoux Mountain Riverside Quad., Rubidous Mountain 304 Comment
  POM30141  Encelia frutescens Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  CAS-BOT-BC126750  Ephedra R. F. Thorne; M. Z. Thorne 1973-3-30 42689 Riverside Colorado Desert; Little San Bernardino Mountains region: Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, outwash of Mission Creek 488 Comment
  JEPS49102  Ephedra Dr. L. M. Newlon 1922-4-3 442 Riverside Andreas Canyon Mt. San Jacinto, Andreas Canyon Comment
  JOTR35931  Ephedra aspera De Groot, Sarah J., Jessica Chu, Loraine Washburn 2013-3-22 6879 Riverside Joshua Tree National Park. Cottonwood Spring; Fan palm oasis and surrounding slopes. 914 Comment
  LA6774  Ephedra californica Carl Epling; March 1927 sn Riverside Whitewater Pass, near Palm Springs Comment
  POM282135  Ephedra californica Lyman Benson 1933-3-31 4163 Riverside US 66 [US 60], Palm Springs. Mt. Range San Jacinto . 305 Comment
  RSA0030700  Ephedra trifurca J. Andre 2013-3-27 24810 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). 242 Comment
  POM179210  Ephedra trifurca Philip A. Munz 1941-4-5 16693 Riverside Sand dunes southeast of Iron Mts. Comment
  IRVC2715  Epipactis gigantea R. H. Whittaker, W. A. Niering 1963-6-5 SJ 236 Riverside Santa Rosa Mtns; Andreas Cyn; valley bottom. Sonoran Desert/Peninsular Ranges 213 Comment
  SBBG28899  Epipactis gigantea N. C. Cooper 1944-4-8 1062 Riverside Andreas Cyn 365 Comment
  POM966  Equisetum arvense D. L. Crawford 1916-3-1 s.n. Riverside Santa Ana River Valley Comment
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Sep 3 2011
  RSA627505  Equisetum laevigatum Scott D. White 1998-7-31 6945 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Drive and Hymber Park. 1707 Comment
  UCR278869  Eragrostis mexicana Mitch Provance 2012-11-10 17607 Riverside San Bernardino Valley, Riverside, Springbrook Creek (remnant) Fairmont Park, between the east side of Lake Evans and the west side of Market St. 245 Comment
  POM267971  Eragrostis mexicana subsp. mexicana E. Johnson 1944-11-24 s.n. Riverside Corona Fothill Lemon Co., Corona Comment
  CAS-BOT-BC204634  Eragrostis mexicana subsp. virescens H. S. Yates 1937-6-28 6744 Riverside Near Indio 30 Comment
  UC573246  Eragrostis minor H. S. Yates 1937-6-28 6731 Riverside Palm Springs San Jacinto Quad., Palm Springs 137 Comment
  CAS-BOT-BC284071  Eragrostis pectinacea var. pectinacea Lewis S. Rose 1957-1-3 57008 Riverside La Quinta 15 Comment
  RSA432722  Eremalche rotundifolia Robert L. Dressler 1949-3-19 403 Riverside Box Canyon, Orocopia Mts. Comment
  UC724382  Eremalche rotundifolia Aven and Ruth Nelson 1939-3-29 3317 Riverside s. of Mecca (Hidden Springs Canyon) Comment
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Jul 14 2012
  UCR279349  Eremalche rotundifolia A. C. Sanders, Jim Malusa 2017-3-23 42942 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-BC160064  Eremothera boothii subsp. condensata F. H. Billings 1926-2-1 31 Riverside Near Indio Comment
  RSA0118596  Eremothera boothii subsp. condensata Sarah J. J. De Groot, Cheryl Sevilla 2016-3-16 7644 Riverside Mecca Hills: hills around Shaver's Well, along Box Canyon Road; south edge of Shaver's Valley, east-northeast of Mecca. 294 Comment
  RSA0105465  Eriastrum densifolium subsp. austromontanum J. C. Roos 1965-7-22 s.n. Riverside Mountain Center Comment
  RSA0123352  Eriastrum diffusum Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9052 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  UCR214157  Eriastrum diffusum T. B. Salvato 2010-4-20 4050 Riverside Sonoran (Colorado) Desert, alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 189 Comment
  CAS-BOT-BC514454  Eriastrum eremicum subsp. eremicum S. B. Parish 1894-6-14 3330 Riverside San Bernardino Mountains and their eastern base: Whitewater 343 Comment
  RSA0120108  Eriastrum eremicum subsp. eremicum R. F. Thorne, Rolf Dahlgren, Gertrud Dahlgren 1979-8-22 53568 Riverside Joshua Tree National Monument: Just S of San Bernardino Co. line near jct of road to Split Rock and 29 Palms; Valley W of Pinto Mountains. 1098 Comment
  CAS-BOT-BC187938  Eriastrum harwoodii Carl B. Wolf 1932-4-29 3119 Riverside Eastern Colorado Desert, 3 miles S of Rice on Blythe Road 213 Comment
  SD249590  Eriastrum harwoodii J. M. Andre 2013-3-27 24794 Riverside Region: CA-SonM; Rice Valley east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62) 241 Comment
  RSA0121255  Eriastrum sapphirinum subsp. dasyanthum Steve Boyd, T. S. Ross, D. E. Bramlet 1993-5-13 7363 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Los Alamos Canyon at mouth of Wildhorse Canyon. 412 Comment
  RSA0122947  Eriastrum sapphirinum subsp. dasyanthum L. C. Wheeler 1962-7-26 8180 Riverside Temescal Valley. Comment
  RSA524241  Ericameria brachylepis Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4128 Riverside Vail Lake area, E flank of 'Big' Oak Mtn, S of E summit. 610 Comment
  UC63164  Ericameria cuneata var. cuneata H. M. Hall Jun 1 1901-Jul 1 1901 2327 Riverside near Tauquitz; San Jacinto Mountains 2133 Comment
  JOTR29150  Ericameria cuneata var. spathulata La Doux, Tasha, Mike Bell 2003-10-17 1127 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Wonderland of Rocks; Wonderland Wash, active wash corridor with sandy bottom, surrounded by granitic outcrops and pediments 1310 Comment
  UCR174948  Ericameria linearifolia Jennifer H. Jones, Toby Bartels 2006-4-23 274 Riverside Transverse Ranges; San Bernardino Mtns., Banning Pass, NE of Cabazon along powerline road and in Deep Canyon 744 Comment
  UCR34965  Ericameria linearifolia L. B. Ziegler 1968-4-16 275 Riverside San Jacinto Mtns, W slope of mtns at Dry Creek & Hwy 74 1067 Comment
  UCR91727  Ericameria linearifolia A. C. Sanders, J. Goetzen 1996-5-1 18130 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  RSA689513  Ericameria palmeri var. pachylepis Scott D. White, Michael Honer 2003-4-2 8898 Riverside Temescal Valley: Just west of I-15 Freeway and northeast of Lawson Dr. 305 Comment
  UC322979  Ericameria palmeri var. pachylepis H. M. Hall 1927-10-22 12296 Riverside Wildomar Comment
  UCR151123  Ericameria palmeri var. pachylepis Scott D. White 1998-10-9 7174 Riverside Peninsular Ranges/Santa Ana Mtns, Corona, near Bedford Canyon: ''Joseph Canyon'' wash near a disused quarry. Site adjacent to housing tracts now under construction, and proposed for same 366 Comment
  UCR9134  Ericameria palmeri var. pachylepis O. F. Clarke 1969-10-14 s.n. Riverside Box Springs Mtns, Riverside, UCR campus, by entrance to Botanic Gardens 335 Comment
  SD224830  Ericameria paniculata B. Pitzer 1996-11-11 2930 Riverside Orocopia Mts: Salt Creek Wash, at intersection w/ SR211, 4 rd. mi. S of Bob's Cabin. Hayfield 15' USGS Quad. 274 Comment
  UCR116031  Ericameria pinifolia G. R. Ballmer 1997-8-23 s.n. Riverside Jurupa Mtns, Colton Dunes, Declez 'Pass,' (= Pyrite Street pass through the mtns), south of Poplar Street in Fontana, c. 100 m south of the county line 335 Comment
  UCR92700  Ericameria pinifolia A. C. Sanders, O. F. Clarke 1996-4-13 18034 Riverside Riverside: Box Springs Mtns, crest of range in vicinity of park headquarters, head of Two Trees Canyon 700 Comment
  CAS-BOT-BC294843  Erigeron breweri var. jacinteus Ralph Hoffmann 1929-9-10 s.n. Riverside Tahquitz Pk., San Jacinto Mt. 2499 Comment
  UCR274002  Erigeron canadensis Mitch Provance 2012-9-11 17628 Riverside Badlands of Western Riverside County, Beaumont, near N base of Mt. Davis, near Cooper's Creek (tributary of San Timoteo Creek), about 2000 ft., along dirt road extension of Risco Circle, S of W 4th St. 762 Comment
  OBI42661  Erigeron foliosus B. Pitzer & K. Kirtland, K. Kirtland 1986-5-20 228 Riverside Butterfield Stage Ranch dev, in the hills on the N side of Pauba Valley, in the Rancho Calif area, 1 mi S of Buck Mesa on the E side of Butterfield Stage Rd (T7S, R2W, sec 36 457 Comment
  CAS-BOT-BC296243  Erigeron foliosus var. foliosus Mary F. Spencer 1919-6-25 1269 Riverside San Jacinto Mts. 1615 Comment
  IRVC27397  Erigeron foliosus var. foliosus A. C. Sanders, T. Schram, D. Wappler 1994-10-4 15776 Riverside N slope of the mtns: nameless tributary to Azalea Creek, ca. 1 mi. due S of the Twin Pines Ranch buildings. San Jacinto Mtns 1128 Comment
  CAS-BOT-BC189088  Eriodictyon crassifolium R. Bacigalupi May ? s.n. Riverside Eagle Canon [Canyon], Colorado Desert Comment
  LA103322  Eriodictyon crassifolium Jonathan Sauer; R. Minnich 1977-4-16 5962 Riverside San Jacinto Mountains, above Banning Comment
  POM47193A  Eriodictyon crassifolium Mary F. Spencer 1920-4-1 1451 Riverside desert near Palm Springs 122 Comment
  RSA444486  Eriodictyon crassifolium J. C. Roos 1947-3-15 3340 Riverside San Jacinto Mtns: Cranston Ranger Station, E of Hemet, west base of Mtns. 610 Comment
  RSA651698  Eriodictyon crassifolium Diane M. Ramirez 1983-5-15 21 Riverside Poppet Flat Divide Truck Trail, 1 1/2 mi S of junction with CA hwy 243, S of Banning. Comment
  RSA777288  Eriodictyon trichocalyx var. trichocalyx Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4547 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  RSA783134  Eriogonum J. D. Olmsted 1959-10-23 1071 Riverside On Idyllwild Banning road, 2 miles S of turnoff to Poppett Flat. San Jacinto Mts to San Jacinto River. 1280 Comment
  CAS-BOT-BC248635  Eriogonum apiculatum James L. Reveal; Barbara J. Ertter 1976-6-30 4563 Riverside San Jacinto Mountains, Pinyon Flat, 2 miles north of California Highway 74 along Palm Canyon Drive 1249 Comment
  JEPS57093  Eriogonum apiculatum Marjorie D. Clary 1932-4-29 1022 Riverside 15 mi nw Indio (Dead Indian Trail, w side of Colorado Desert); Colorado Desert 243 Comment
  RSA766438  Eriogonum apiculatum Ralph Hoffmann 1929-9-10 1264 Riverside Tahquitz Peak, San Jacinto Mts. 1829 Comment
  SEINET6328742  Eriogonum apiculatum Richard Walker 1967-9-30 92 Riverside South of Black Mountain Camp ca 300 yards on east side of road embankment ca 4 yards off; San Jacinto Mountains 2103 Comment
  RSA679191  Eriogonum apiculatum Michael Denslow, Firoozeh Navid-Ara, Valerie Soza 2003-7-15 1454 Riverside East of Idyllwild, along South Ridge Road (5S11 Rd.) 1890 Comment
  UCR94612  Eriogonum cithariforme var. agninum G. R. Ballmer, Kay Stockwell 1995-6-24 s.n. Riverside San Jacinto Mountains, along trail from Morris Ranch Rd. to Pacific Crest Trail, near Pyramid Peak 1982 Comment
  CAS-BOT-BC242796  Eriogonum davidsonii Winifern W. Swarth 1914-9-7 s.n. Riverside Strawberry Valley, San Jacinto Mts. 1828 Comment
  RSA393168  Eriogonum davidsonii P. A. Munz 1922-9-6 s.n. Riverside North of Dark Canyon. 1524 Comment
  UCR193967  Eriogonum davidsonii A. C. Sanders 2008-7-25 35919 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, NE of Bonita Vista Rd. at foot of hills Comment
  GMDRC5048  Eriogonum deflexum var. deflexum J. Andre, G. L. Clifton 2011-2-22 17415 Riverside Mecca Hills: along Box Canyon Rd, 5.5 mi. NE of town of Mecca 52 Comment
  RSA346255  Eriogonum elongatum Robert F. Thorne, W. A. Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54061 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  RSA65154  Eriogonum elongatum F. W. Peirson 1933-4-15 10651 Riverside Whitewater River, 4.5 miles above the bridge. 701 Comment
  SD137668  Eriogonum elongatum var. elongatum Darin L. Banks, Steve Boyd 1995-10-17 772 Riverside Agua Tibia Mountains: Cleveland National Forest, Agua Tibia Wilderness Area; along lower Arroyo Seco, S of the Dripping Springs Campground on broad benches N of where Arroyo Seco turnes to the E 512 Comment
  UCD99954  Eriogonum elongatum var. elongatum E. K. Balls; P. C. Everett 1957-11-4 22750 Riverside Snow Creek, about old Fish Hatchery, north base of San Jacinto Mountains. 701 Comment
  RSA543144  Eriogonum fasciculatum var. polifolium Steve Boyd 1991-3-17 5498 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  UC849417  Eriogonum fasciculatum var. polifolium I. W. Clokey, E. G. Anderson 1935-8-21 6592 Riverside Keen Camp P.O. 1360 Comment
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Nov 20 2010
  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
  RSA393246  Eriogonum gracile var. gracile Ann Grove 1980-10-8 9 ..10 Riverside Tenaja Ranger Station area, Rancho California, 7 miles northwest of Murrieta, southwest Riverside Co. Comment
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Dec 1 2014
  UCR140898  Eriogonum gracile var. gracile Virginia Moran 2003-7-17 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
  SEINET3289845 Image available Eriogonum gracile var. incultum M. W. Denslow, Firoozeh Navid- Ara; Valeria Soza 2003-7-16 1456 Riverside Peninsular Ranges; San Jacinto Mountains Region: Santa Rosa Mountains, at junction of Road 7S02 and 74, just west of Rarick Spring 1479 Comment
  RSA779725  Eriogonum inflatum Duncan S. Bell 2009-3-8 93 Riverside Arica Mountains: center of mountain range in the vicinity of Priest Mine approximately 2 air miles west of Priest Well or approximately 7 air miles southwest of the ghost town of Rice. 467 Comment
  UCR99565  Eriogonum inflatum B. G. Pitzer 1996-11-9 2928 Riverside Sonoran (Colorado) Desert, Orocopia Mtns: Bob's Cabin, c. 4 road mi. north of Salt Creek Road (on SR211) & 4.5 air mi. south of the W end of Hayfield Lake. 610 Comment
  RSA783167  Eriogonum lobbii J. D. Olmsted 1959-7-1 790 Riverside 0.5 mi. below Deer Springs on Deer Springs trail north of Idyllwild, N Fk. San Jacinto River drainage, west-southwest slope 2500 Comment
  CAS-BOT-BC263118  Eriogonum maculatum C. L. Hitchcock 1940-4-3 5939 Riverside 1 1/2 miles northeast of Cottonwood Springs along 29 Palms Road, Joshua Tree National Monument Comment
  UC849229  Eriogonum maculatum C. L. Hitchcock 1940-4-3 5939 Riverside 1 1/2 mi ne along 29 Palms Road Cottonwood Springs; Joshua Tree National Monument Comment
  RSA393694  Eriogonum molestum N. C. Cooper 1944-7-15 1596 Riverside Palms to Pines Highway, San Jacinto Mountains. 1372 Comment
  SD95200  Eriogonum nidularium G. L. Webster, R. Hildreth 1966-12-9 7453 Riverside Joshua Tree National Monument parkland at Split Rock 1310 Comment
  UC849804  Eriogonum nudum var. pauciflorum I. W. Clokey, E. G. Anderson 1935-8-21 6590 Riverside Keen Camp P.O. 1425 Comment
  UCR24265  Eriogonum nudum var. pauciflorum John C. Roos 1943-10-16 2740 Riverside Southern Mojave Desert, Falcon Flats, Little San Bernardino Mtns 1524 Comment
  POM162495  Eriogonum plumatella var. jaegeri E. C. Jaeger 1928-06 s.n. Riverside Cottonwood Springs, Mojave Desert. Comment
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Oct 9 2010
  PASA1490  Eriogonum pusillum Margaret Stason 1928-3-3 Riverside Near Whitewater Comment
  POM2312  Eriogonum thomasii I. M. Johnston 1917-4-4 1091 Riverside Near Palm Springs. Comment
  RSA424962  Eriogonum thomasii Robert L. Dressler 1949-3-19 382 Riverside Box Canyon, Orocopia Mts. Comment
  UC912800  Eriogonum thomasii Alice Eastwood 1913-4-30 3059 Riverside Palm Springs Comment
  CAS-BOT-BC262878  Eriogonum thurberi A. J. McClatchie 1896-7-7 1162 Riverside Pala Comment
  POM10478  Eriogonum thurberi H. M. Hall 1904-5-19 4950 Riverside Fairmont Park. Comment
  UCR108877  Eriogonum thurberi Heidi A. Haid 1968-4-29 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR153673  Eriogonum thurberi Scott D. White 1999-5-24 7396 Riverside Peninsular Ranges/ Perris-Aguanga Basin, San Jacinto Valley, San Jacinto River wash: just N of the city of San Jacinto, about 1 mile SE of State St. Bridge 479 Comment
  SBBG1634  Eriogonum trichopes H. and M. Dearing 1930-4-13 114 Riverside Palm Springs vicinity Comment
  JOTR29225  Eriogonum wrightii var. nodosum La Doux, Tasha, Mike Bell 2005-9-15 1333 Riverside Joshua Tree National Park. Near Hidden Valley campground Comment
  RSA0097951  Eriogonum wrightii var. nodosum Duncan S. Bell 2014-11-14 7722 Riverside Santa Rosa Mountains; in the Santa Rosa Wilderness area; west side of Martinez Mountain; collecting at Cactus Spring. 1292 Comment
  RSA9743  Eriogonum wrightii var. nodosum Louis C. Wheeler 1933-12-1 2294 Riverside Mouth of Tauquitz Canyon, San Jacinto Mountains. 152 Comment
  UC1133259  Erioneuron pulchellum H. S. Yates 1937-6-27 6724 Riverside Deep Canyon Thermal Quadrangle (head) Comment
  UCR2827  Erioneuron pulchellum F. M. Reed 1927-1-5 5691 Riverside Sonoran (Colorado) Desert, Eagle Canyon, 5 miles east of Palm Springs, south of Cathedral City [= Cathedral Canyon?] 229 Comment
  SEINET7073391  Eriophyllum confertiflorum A. G. Vestal 1963-4-23 s.n. Riverside About 0.6 mile up Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  UCR182373  Eriophyllum confertiflorum Andrea Salzman, Ricky Escobar, et al 2006-4-10 52 Riverside Peninsular Range, Agua Tibia Wilderness at Arroyo Seco, c. 0.5 mi. south of Dripping Springs Guard Station 518 Comment
  UCR34970  Eriophyllum confertiflorum L. B. Ziegler 1967-5-18 133 Riverside San Jacinto Valley, side canyon off lower Bautista Canyon 534 Comment
  LA203542  Eriophyllum confertiflorum var. confertiflorum W. Pequegnat; 1938-4-15 sn Riverside Santa Ana Mountains, Bear Springs Comment
  CAS-BOT-BC301787  Eriophyllum multicaule P. A. Munz 1922-4-29 5080 Riverside Leach Canyon, Santa Ana Mts 548 Comment
  CLARK-A1045-293  Eriophyllum multicaule George K. Helmkamp 1979-5-16 Riverside San Jacinto Mountains Bee Canyon Road; chaparral; ; Hemet 15'Q 609 Comment
  SEINET2051198 Image available Eriophyllum multicaule Howard S. Gentry 1947-4-20 7637 Riverside Gentry Farm, 3 miles NE of Murrieta. 396 Comment
  UCR17752  Eriophyllum multicaule O. F. Clarke 1973-4-6 s.n. Riverside San Jacinto Mtns, Juaro Canyon, lower west side of the mountains near Soboba Hot Springs 549 Comment
  CAS-BOT-BC296931  Eriophyllum wallacei Scott D. White 1996-4-14 3907 Riverside Perris Basin, E OF HEMET: San Jacinto River Wash near Valle Vista, N of Hwy 74, ca. 1.7 mi W of USFS Cranston Fire Station. Riverwash and alluvial benches 548 Comment
  CAS-BOT-BC296973  Eriophyllum wallacei W. P. Vestal; A. G. Vestal 1947-3-30 s.n. Riverside About 2 miles up San Jacinto Canyon 518 Comment
  RSA612782  Erodium botrys D. L. Banks, Victor W. Steinmann 1997-3-13 1420 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  RSA613894  Erodium brachycarpum A. C. Sanders, Giles Waines, Ehdaie, Aryavand 1997-3-12 19842 Riverside Lower Rawson Canyon, along road NE of Skinner Lake. 457 Comment
  RSA673726  Erodium cicutarium Scott D. White 2000-4-12 7645 Riverside Baldy Mtn. area. 1616 Comment
  SDSU12863  Erodium cicutarium J. Jill Steinberg with Janet Knotts and Kevin Contreras 1998-3-25 29 Riverside 300 feet above switchback in road from Santa Margarita (SDSU) Field Station trailer leading down into Santa Margarita River Gorge, north of river. 256 Comment
  SFV11886  Erodium cicutarium R. H. Swade 1963-12-7 s. n. Riverside Colorado Desert Open desert west of Snow Creek Road, about 3 miles south of Interstate 10 intersection with California State Highway 111. 366 Comment
  UCR26956  Erodium cicutarium E. W. Lathrop 1966-5-8 6485 Riverside Peninsular Range; Santa Ana Mountains, Cleveland National Forest, Hagador Canyon, Trabuco District, 3 miles SW of Corona 275 Comment
  RSA594046  Erodium cicutarium D. L. Banks, Elizabeth Hedge Banks 1996-5-2 924 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along the broad alluvial benches just to the SE of the gate to the Preserve. 448 Comment
  RSA659351  Erodium cicutarium M. Duke, Christy Hightower, C. McElroy 1982-5-15 1 Riverside CA Hwy 74, just off highway E of Elsinore, 1 mi W of Hwy 15. Comment
  VVC2462  Erodium texanum Tim Thomas 2013-3-18 5934 Riverside Sonoran Desert, 10 miles WSW of Blythe NE of Mule Mtns. 116 Comment
  CSUSB1404  Erysimum capitatum Robin Maetche 1971-5-19 S. N. Riverside Idyllwilde city limits Comment
  RSA783165  Erysimum capitatum J. D. Olmsted 1962-5-3 3517 Riverside Along road from Santa Rosa Indian reservation to old village, etc., at first canyon crossing to SW side 1555 Comment
  RSA0020247  Erythranthe floribunda Mary F. Spencer 1921-6-15 1673 Riverside Idyllwild. 1616 Comment
  RSA0015893  Erythranthe moschata E. K. Balls, Percy C. Everett 1953-8-19 18543 Riverside By Santa Rosa Spring, Santa Rosa Peak. 2134 Comment
  RSA0014889  Erythranthe tilingii P. A. Munz 1922-7-6 5992 Riverside San Jacinto Mountains. Tahquitz Valley. 2195 Comment
  UCR90744  Eschscholzia caespitosa Scott D. White 1995-4-5 2755 Riverside Perris Valley, Lakeview Mountains; SW of Juniper Flat Road 579 Comment
  JEPS51762  Eschscholzia glyptosperma Marjorie D. Clary 1933-2-26 Riverside Aqueduct Rd between Indio and Mecca; North Colorado Desert, Little San Bernardino Mts. 243 Comment
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Feb 28 2014
  POM115639  Eschscholzia minutiflora A. M. Alexander, Louise Kellogg 1941-5-15 2179 Riverside Base of Eagle Mountains. 915 Comment
  RSA703804  Eschscholzia minutiflora LeRoy Gross 2005-3-3 1605 Riverside Palen Mountains, south side. Near end of old prospect road. [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  RSA0023223  Eschscholzia papastillii P. A. Munz, D. D. Keck 1922-4-9 4876 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert 457 Comment
  RSA0022925  Eschscholzia parishii Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11222 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
  UCR116809  Eschscholzia parishii A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23939 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  UCR5903  Eschscholzia parishii David T. Wright 1966-3-5 s.n. Riverside Sonoran (Colorado) Desert, 2 mi south of Palm Desert at the mouth of Deep Canyon Comment
  RSA713796  Eucalyptus J. Lyman 1989-2-9 89 -2 Riverside Lakeview, Pressman property in the Bernasconi Hills, just S of the Ramona Expressway, S of Lake Perris and N of Nuevo. Comment
  UCR129060  Eucalyptus A. C. Sanders, Mitch Provance 2001-4-5 23920 Riverside Perris-Aguanga Basin region, Long Canyon, Temecula, between gas pipeline route and 'windmill,' south of BM 1221 366 Comment
  SD185050  Eucalyptus rudis Alden Kelly 1986-3-17 Riverside Edgmont area of Moreno Valley from planting along W side of Hwy 215 at Eucalyptus Ave. Row runs ca. 1 mi along 215 456 Comment
  UCR241813  Eucalyptus rudis A. C. Sanders, John F. Green 2013-3-27 40689 Riverside Peninsular Range, Alberhill, along Lake St. near the old clay mines, 0.83 km south of I-15 Fwy 389 Comment
  UCR237635  Eucnide urens Duncan S. Bell 2010-3-20 634 Riverside Riverside Mountains, in the vicinity of Mountaineer Mine, c. 2 air mi northeast of Riverside Mountain Peak 215 Comment
  UCR152518  Eucrypta chrysanthemifolia A. C. Sanders 2005-4-22 29604 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR239196  Eucrypta chrysanthemifolia var. chrysanthemifolia Steven R. Hill, A. C. Sanders 2001-5-4 33709 Riverside Santa Rosa Plateau, Santa Rosa Plateau, eastern rim, north side of Avenida del Oro, just east of junction with Sandia Creek Drive, 2 mi west of junction of Rancho California Road and Route I-15 509 Comment
  JOTR28795  Eucrypta micrantha La Doux, Tasha 2005-3-30 1064 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  SBBG64804  Eucrypta micrantha Anstruther Davidson 1985-1 Riverside Palm Springs Comment
  SBBG55788  Eulobus californicus D. Keil, M. McLeod 1977-3-26 12008 -1 Riverside 0.2 mi NW of Prado Dam on St Hwy 71 182 Comment
  RSA627507  Euonymus occidentalis var. parishii Scott D. White 1998-7-31 6946 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park; San Jacinto Mts. 1707 Comment
  CAS-BOT-BC310320  Euphorbia abramsiana Duncan S. Bell 2012-9-13 4176 Riverside Arica Mountains. Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well 202 Comment
  UCR92289  Euphorbia maculata Scott D. White, Michael A. Patten 1995-8-16 3549 Riverside San Jacinto Valley, Just west of Hemet, valley floor and foothills at SE margain of Lakeview Mts. north of Florida Ave. (SR 74) and west of California Avenue 500 Comment
  UCR198567  Euphorbia nutans A. C. Sanders, O. F. Clarke 2008-10-7 36113 Riverside Peninsular Range, Riverside, O.F. Clarke residence, 266 Frost Ct., just east of UCR 360 Comment
  UCR223973  Euphorbia polycarpa A. C. Sanders 2011-3-23 38800 Riverside Peninsular Range; Gavilan Hills Region, powerline corridor, SW of Perris, east of Hwy 74 between the highway and the San Jacinto River, south of Ethanac Rd. 440 Comment
  RSA70386  Euphorbia polycarpa var. hirtella F. W. Peirson 1920-12-28 2040 Riverside Wash coming down from the east; lower part of Palm Canyon. Comment
  UCR59716  Euphorbia setiloba A. C. Sanders 1989-9-19 9509 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
  RSA561062  Euphorbia spathulata T. S. Ross, David E. Bramlet 1993-5-12 7351 Riverside Southern Santa Ana Mountains, San Mateo County Wilderness area. San Mateo Canyon, along stream bed and adjacent to benches and lower slopes from confluence with Los Alamos Canyon downstream to confluence with Tenaja canyon. 366 Comment
  CAS-BOT-BC167373  Fagonia laevis C. L. Hitchcock 1966-3-16 24209 Riverside Along Palms to Pines Hiway, 4 mi. s. of Palm Desert 609 Comment
  CAS-BOT-BC171041  Fagonia laevis Roxana S. Ferris; Rimo Bacigalupi 1958-3-19 13236 Riverside In wash arising in Big Maria Mts., Highway U.S. 95, 11.3 mi. N of Blythe Comment
  JOTR36087  Fagonia laevis La Doux, Tasha, A. Johnson, A. Miller, T. Vaughn 2007-10-25 3314 Riverside Joshua Tree National Park. Pinto Mtn foothills, San Bernardino Wash, approx. 0.75 km south of Sunset Mine (STOP4). 475 Comment
  UCR23760  Fagonia laevis John C. Roos 1966-3-26 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 2 mi SE of Desert Center 366 Comment
  UCR277609  Fagonia laevis Aaron C. Sedgwick, Joella Adkins 2012-10-24 147 Riverside Sonoran (Colorado) Desert, Graham Pass Rd. in the Chuckwalla Mtns., c. 1 mile north of Graham Pass 421 Comment
  SEINET10740572  Fagonia laevis Duncan M. Porter 1961-12-28 Porter 752 Riverside Cerca 1 mile E of Desert Center on Hghways 60 and 70. On dry hillside of metamorphose rock. Larrea dominant. Comment
  SD148116  Fatoua villosa A. C. Saunders, T. B. Saunders 2001-10-8 24878 Riverside Riverside, UCR Campus in old Citrus Expt. Station lath house near the intersection of S Campus Dr. and E. Campus Dr. just N of the reservoir 351 Comment
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Sep 24 2017
  UCR23886  Festuca arundinacea John C. Roos 1950-4-15 4743 Riverside W end of Fairmont Park Lake, Riverside 244 Comment
  UCR68867  Festuca microstachys Steve Boyd, T. S. Ross 1990-5-11 4700 Riverside Vail Lake area, Cleveland National Forest, N flank and summit of Wild Horse Peak, Agua Tibia Mtns 999 Comment
  RSA0026300  Filago John F. Emmel 1991-4-28 1170 Riverside Lakeview Mts. WNW of Hemet; slope 0.1 air mile south and 016 [1.6?] air mile west of intersection of Warren Road and Esplanade Ave. 518 Comment
  POM36325  Filago californica Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA336170  Filago gallica R. F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 51999 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  SD216506  Forestiera pubescens Jay B. Walker 1995-4-4 1310 Riverside San Bernardino National Forest; Santa Rosa Mountain truck trail, 4 kilometers south of highway 74 1600 Comment
  CLARK-A1528-2930  Frankenia grandifolia John C. Roos 1965-6-30 Riverside Perris Comment
  CAS-BOT-BC211661  Frankenia salina S. B. Parish 1897-5-31 4396 Riverside Elsinore 396 Comment
  CAS-BOT-BC223695  Frankenia salina J. C. Roos 1965-6-30 s.n. Riverside Perris Comment
  SD146251  Frankenia salina A. C. Sanders, D. Bramlet, et al. 1999-10-15 23185 Riverside San Jacinto Valley; Mystic Lake. 436 Comment
  UCR110402  Frankenia salina A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23185 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1 mile west of Jackrabbit Trail on Gilman Springs Rd., 0.4 mi. west of Quail Lake Golf C. entrance, 2 mi. WNW of Eden Hot Spr. 436 Comment
  UCR132719  Fraxinus uhdei A. C. Sanders, O. F. Clarke 1991-6-10 11131 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  UC55739  Fraxinus velutina H. M. Hall 1898-6-28 959 Riverside e of Kenworthy (s side of San Jacinto Mts.); San Jacinto Mts. Comment
  UCR132722  Fraxinus velutina A. C. Sanders, O. F. Clarke 1991-6-10 11134 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  RSA516888  Fritillaria biflora Steve Boyd 1986-3-1 1375 Riverside Gavilan Plateau, Gavilan Hills. 625 Comment
  RSA559949  Fritillaria biflora Steve Boyd 1992-4-18 6904 Riverside Paloma Valley, between Sun City and Murrieta, E of Highway 215. Comment
  RSA560363  Fritillaria biflora Steve Boyd 1992-4-14 6818 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of Oak Flats area along Bluewater Tributary from Verdugo Tributary S to crest of ridge W side Bluewater Canyon. 732 Comment
  UCR50413  Fritillaria biflora L. F. LaPre, Jack Easton 1988-1-27 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro, Santa Rosa Springs Ranch Comment
  RSA525438  Funastrum cynanchoides var. hartwegii Steve Boyd, D. E. Bramlet 1990-4-29 4483 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  RSA702728  Funastrum cynanchoides var. hartwegii Scott D. White, Michael Honer 2004-4-6 10061 Riverside Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  SD181719  Funastrum hirtellum Scott D. White 1999-4-20 7278 Riverside Southern foothills of the Big Maria Mountains, northwest of California Highway 95. 89 Comment
  UCR112980  Gaillardia pulchella Mitch Provance 1998-6-20 754 Riverside Jurupa Mountains, Glen Avon Heights, on the north side of Conning St. (dirt road portion traversing from W to E), which lies between Campbell St. and Lindsay St. 262 Comment
  RSA667023  Galium Scott D. White, David E. Bramlet 1999-5-19 7369 Riverside Lake Skinner Area: Ridgetop, north-, west-, and northwest facing slopes of Bachelor Mtn. 549 Comment
  UCR174537  Galium angustifolium Jennifer H. Jones, Janine Amaya and Thi (Teresa) Bui 2006-5-21 309 Riverside Peninsular Ranges: Box Springs Mtns., Box Springs Mountain Reserve. First trail on the left beyond the parking lot along the service road 793 Comment
  JEPS56083  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4276 Riverside on road to Santa Rosa Mountain 1.8 mi above Mountain Home Spring (w-facing slope) Comment
  RSA689697  Galium angustifolium subsp. jacinticum Valerie L. Soza, Naomi S. Fraga, Sarah Swartzentruber 2003-6-25 1705 Riverside Slope above junction of Dark Canyon and Fuller Mill Creek. 1494 Comment
  RSA761275  Galium angustifolium subsp. jacinticum Shawn Krosnick, Naomi S. Fraga, Lucinda A. McDade 2010-8-14 675 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCR4674  Galium angustifolium subsp. jacinticum Frank C. Vasek 1964-7-25 640725- 25 Riverside San Jacinto Mtns, road out of Dark Canyon 1829 Comment
  LA208323  Galium johnstonii H. Lewis; 1939-10-22 1021 Riverside San Jacinto Mountains, Idyllwild 1523 Comment
  JOTR16840  Galium multiflorum Hogan, J. 1976-7-11 66 Riverside Joshua Tree National Park. 0.2 MILES WEST OF EUREKA PEAK 1645 Comment
  RSA586045  Galium nuttallii D. L. Banks, Steve D. Boyd 1995-3-15 77 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area N face of Agua Tibia Mtn., Dorland Mtn. area. 806 Comment
  RSA559447  Galium porrigens Steve D. Boyd, Tim S. Ross 1992-5-5 7221 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 732 Comment
  CLARK-A1045-214  Galium stellatum subsp. eremicum George K. Helmkamp 1979-4-18 Riverside Little San Bernardino Mountains 3.5 miles north of Dillon Road; rocky area at base of dry wash; Lost Horse Mtn. 15'Q Comment
  RSA23667  Garrya flavescens var. pallida Carl B. Wolf 1939-1-20 9485 Riverside Santa Ana Mts., East side, along Eagle Motor Way, 1 mi. below summit 915 Comment
  UC1930170  Gastridium phleoides Scott D. White, Michael Honer 2003-6-3 9463 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. Comment
  RSA645538  Gazania linearis Scott D. White 1995-7-7 3461 Riverside San Bernardino Basin: City of Riverside, Market St. crossing at [Sta] Ana Riv[er] 244 Comment
  CAS-BOT-BC303590  Geraea canescens Lewis S. Rose 1936-12-29 36833 Riverside La Quinta 0 Comment
  CAS-BOT-BC303608  Geraea canescens H. M. Hall 1905-4-1 5866 Riverside Chuckawalla Bench Comment
  SD27952  Geraea canescens Carl B. Wolf 1932-4-26 2968 Riverside Colorado Desert, 3 miles east of Mecca on Blythe Road. Comment
  UC53923  Geraea canescens F. Gilman 1902-1 38 Riverside Palm Springs Comment
  SEINET10849118  Geraea canescens David B. Dunn, Shogo; Schroeder; Bruskin; FOLSOM 1948-3-14 Dunn 3750 Riverside Found growing in a wash. Indio Hills, Colorado Desert. Near Pushawalla. Comment
  SEINET9118669  Geraea canescens E. Adams 1978-1 S.N. Riverside Mecca, Box Canyon. Desert wash. Comment
  PASA673  Geranium carolinianum Frank W. Peirson 1922-4-10 Riverside Murray Canyon 304 Comment
  SEINET156054  Gilia achilleifolia Norman C. Cooper 1945-5-24 1625 Riverside Big Oaks Canyon. 1220 Comment
  POM250437  Gilia angelensis I. W. Clokey, B. C. Templeton 1930-4-9 s.n. Riverside North of Banning. 1100 Comment
  RSA800742  Gilia angelensis A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23968 Riverside Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipline route. 366 Comment
  SEINET1908463  Gilia angelensis A. C. Sanders, T. B. Salvato 2008-1 34424 Riverside San Bernardino Valley Region: Riverside, vacant lot at NW corner of the intersection of Chicago Ave. and M. L. King (ex Pennsylvania) Ave. 296 Comment
  UC128980  Gilia angelensis Geo. R. Hall 1906-1 Riverside Riverside Comment
  UCR48387  Gilia angelensis Steve Boyd 1986-4-22 1776 Riverside Gavilan Hills, Plateau remnant of ridge east of Estelle Mountain, south of Dawson Canyon. 671 Comment
  UCR98059  Gilia angelensis A. C. Sanders 1997-3-1 19711 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  RSA171358  Gilia diegensis J. D. Olmsted 1962-5-3 3530 Riverside Santa Rosa Indian Reservation, following SW flank of mountains; 1/2 mi. SE of turn up to old Indian Village. 1768 Comment
  UCR169918  Gilia latifolia Scott D. White, Jennifer H. Jones 2005-4-21 10941 Riverside Sonoran Desert, Eastern Coachella Valley. Bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  UCR30162  Gilia latifolia A. C. Sanders 1983-4-24 3803 Riverside Sonoran (Colorado) Desert, E side of the Salton Sea, at the mouth of Salt Creek, 2 mi. north of the Imperial County line along Hwy 111 -70 Comment
  UCR86866  Gilia latifolia A. C. Sanders, K. C. Rose 1995-4-27 16742 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
  CAS-BOT-BC407805  Gilia ochroleuca subsp. exilis H. M. Hall 1901-6-1 2060 Riverside San Jacinto Mountains, vicinity of Chalk Hill 1524 Comment
  RSA0016299  Gilia ochroleuca subsp. exilis P. A. Munz 1922-4-28 5025 Riverside Temescal Canyon. Comment
  RSA0017291  Gilia ochroleuca subsp. exilis J. Mark Porter, Theodore Anderson 2005-5-5 14380 .5 Riverside agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church, along Pechanga Road; ca. 60 m E crossing of Pechanga Creek. 396 Comment
  RSA0016284  Gilia ochroleuca subsp. exilis Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
  JOTR33923  Gilia sinuata La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2814 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
  RSA78695  Gilia sinuata P. A. Munz 1952-4-15 17349 Riverside Pleasant Valley, Joshua Tree National Monument 1159 Comment
  UCR35048  Gilia splendens L. B. Ziegler 1977-6-5 569 Riverside San Jacinto Mtns, Banning/Idyllwild Road [Hwy 243] 1982 Comment
  UCR70863  Gilia splendens subsp. splendens I. W. Clokey, E. G. Anderson 1935-8-21 6827 Riverside San Jacinto Mtns., Keen Camp P.O. '1350 m 1463 Comment
  RSA234103  Gilia stellata R. F. Thorne, R. Carolin 1967-3-21 41631 Riverside Joshua Tree National Monument: Cottonwood Springs. 915 Comment
  UC1302375  Gilia stellata Robert F. Thorne 1963-3-29 32425 Riverside ca 12 mi ene Mecca (sandy desert wash); ene of Mecca Comment
  UC880019  Gilia stellata C. L. Hitchcock 1940-3-31 5880 a Riverside 1/2 mi below Cottonwood Spring; below Cottonwood Spring Comment
  UCR214155  Gilia stellata T. B. Salvato 2010-4-20 4054 Riverside Sonoran (Colorado) Desert, alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 189 Comment
  RSA526490  Githopsis diffusa subsp. robusta Steve Boyd, Timothy S. Ross 1990-5-11 4686 -B Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  UCR151040  Glyceria elata Scott D. White 1998-7-31 6954 Riverside San Jacinto Mts., Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park 1951 Comment
  UC69360  Glyceria striata H. M. Hall Jul 1901 2553 Riverside Fuller's Mills Mountains; San Jacinto Mts. 2042 Comment
Read comments
Aug 13 2006
  UCR158716  Gnaphalium californicum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30001 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
  UCR165604  Gnaphalium californicum T. B. Salvato, John F. Green 2004-5-27 708 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
  UCR174332  Gnaphalium californicum Jennifer H. Jones 2006-5-16 301 Riverside Peninsular Ranges, Box Springs Mtns. E end of Big Springs Road, N side 372 Comment
  UCR231742  Gnaphalium californicum John F. Green 2008-4-23 08- 13 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  UCR130262  Gnaphalium leucocephalum Robert Noll 2003-9-24 s.n. Riverside San Jacinto River at Lake/Main St. crossing, east edge of San Jacinto 488 Comment
  RSA701364  Gnaphalium luteoalbum Steve Boyd, Aydee Virgen 2004-4-13 10865 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  POM12962  Gnaphalium palustre P. A. Munz, I. M. Johnston 1922-5-19 5371 Riverside Menifee Valley. 412 Comment
  UCR110921  Gnaphalium palustre A. C. Sanders, K. C. Rose 1999-6-18 22824 Riverside Domenigoni Valley, upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, south of Winchester 433 Comment
  UCR167825  Gnaphalium palustre T. B. Salvato, Melissa Clemons 2005-6-2 1399 Riverside Peninsular Range; Temescal Valley, Gavilan Hills, c. 0.5 mi SE of Steele Peak, 4 miles SW of Perris, and 6 miles NNE of Lake Elsinore, NW of Hwy 74 610 Comment
  UCR58500  Grindelia camporum Ed LaRue 1989-7-26 s.n. Riverside Santa Ana Mtns.; Santa Rosa Plateau, c. 0.5 mi south of Redonda Mesa, surrounded by El Cerezo Rd; Corona Cala Camino is the E boundary 762 Comment
  SEINET3071480  Grusonia parishii Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17497 Riverside Queen Mountain quadrangle, zone 11 0584612mE 3763271mN NAD83, Queen Valley, 14.5 km SSW of Twenty Nine Palms, 2.2km south of Negro Hill 1354 Comment
  RSA718577  Guillenia lasiophylla Michael Honer, L. Hulse 2004-4-3 1896 Riverside Nameless canyon appx. 1 mi. W of Pushawalla Cyn., leading up to MWD aqueduct. 488 Comment
  POM184157  Gutierrezia californica M. French Gilman 1932-11-30 1 Riverside Whitewater Point. Comment
  POM46836  Gutierrezia californica Mary F. Spencer 1920-4-2 1474 Riverside Palm Springs, Colorado Desert. 122 Comment
  RSA543298  Gutierrezia californica Steve Boyd 1991-3-17 5513 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  SEINET11849059  Gutierrezia sarothrae M. T. Doutt 1931-1 778 Riverside Chino Canyon, Palm Springs Comment
  UCR1443  Hedypnois cretica Joyce Kleinjan 1961-4-23 s.n. Riverside San Bernardino Valley, Riverside, west border of 1012 Spruce St., 150 ft. south of street [O.F. Clarke residence] 351 Comment
  CAS-BOT-BC211542  Helianthemum scoparium A. C. Sanders; Mike Misenhelter 2005-3-23 29272 Riverside Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd., Wildomar 7.5' Q, Santa Ana Mts. 701 Comment
  UCR274542  Helianthus annuus subsp. lenticularis Mitch Provance, Ken Halama 2003-6-15 17063 Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  SBBG60918  Helianthus californicus R. Hoffmann 1929-9-7 Riverside San Jacinto Mtns 1828 Comment
  RSA360002  Helianthus gracilentus E. Crow 1929-3-17 208 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  UC1532826  Heliotropium curassavicum Robert F. Thorne, C. W. Tilforth, L. DeBuhr and E. Lathrop 1975-8-29 47310 Riverside Santa Rosa Plateau, Mesa de Burro, Rancho California 609 Comment
  UC218032  Heliotropium curassavicum P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4880 Riverside vicinity of Corn Springs; Colorado Desert, Chuckwalla Mts. 457 Comment
  UCR278884  Heliotropium curassavicum Mitch Provance 2011-6-9 17195 Riverside Santa Ana River Valley, Jurupa Valley, Pedley area, Horseshoe Lake, west of Van Buren Blvd., west of the corner and Studio Pl. and Lakeview Ave. 219 Comment
  UCR281806  Heliotropium curassavicum Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-4-19 417- 98 Riverside Menifee Valley, Menifee, W side of Murrieta Rd., between Melido St. and Wickerd Rd. 482 Comment
  RSA487433  Hemizonia fasciculata Steve Myers 1988-5-17 s.n. Riverside Santa Rosa Plateau area W of Murrieta, Via Majorca .25 mi. N of the intersection with Avenida Arboles. Comment
  UCR121682  Hemizonia fasciculata Ian G. Gillespie, Abby Sirulnik 2000-5-7 32 Riverside Temescal Valley, 0.9 mi SE of Indian Truck Trail and 40 m SW of DePalma Road, directly across from Corona Lake 396 Comment
  UCR131796  Hemizonia fasciculata Mitch Provance 1998-6-24 714 Riverside Jurupa Mountains, Canyon NE of the Jurupa Mountains Culture Center, c. 0.7km SW of peak 1701. 335 Comment
  RSA736381  Hemizonia kelloggii Scott D. White, Justin M. Wood 2008-5-1 11922 Riverside Perris Basin: I-215 freeway corridor, between freeway and frontage road, S of Scott Rd. 470 Comment
  RSA722929  Hemizonia paniculata R. E. Riefner Jr. 2007-6-16 07 -263 Riverside City of Hemet, Bautista Canyon, 2.8 mi. E of Fairview Ave. on Bautista Rd. 693 Comment
  CDA6985  Hemizonia pungens subsp. laevis D. R. Siedschlag 1969-11-6 Riverside C.H. Mick property, Lake Matthews Drive, Gavilan Hills area, Riverside. 0 Comment
  RSA805  Hemizonia pungens subsp. laevis J. T. Howell 1928-7-9 1076 Riverside 2 miles south of Murrieta. 305 Comment
  UCR130517  Hemizonia pungens subsp. laevis R. E. Riefner Jr. 2003-5-27 03- 243 Riverside Elsinore Trough, city of Lake Elsinore, vicinity of Campbell Dr. and Diamond Drive 384 Comment
  UCR40448  Hemizonia pungens subsp. laevis Steve Boyd 1985-8-7 1114 Riverside Santa Rosa Plateau, Murrieta area, Clinton Keith Rd. near (just east of) Bear Creek golf course Comment
  RSA552720  Hesperocnide tenella Steve D. Boyd, Tim S. Ross, Orlando Mistretta 1992-2-26 6690 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  RSA676085  Hesperocnide tenella Scott D. White 2001-4-13 8327 Riverside Badlands; County landfill area north of Moreno Valley. About 1/4 air mi NW of the SR-60 Freeway jtn with Gilman Springs Rd. 595 Comment
  POM13121  Hesperolinon micranthum P. A. Munz, I. M. Johnston 1922-5-19 5336 Riverside 5 miles NE of Murrieta 518 Comment
  UC12317  Heteromeles arbutifolia Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Mountains Comment
  RSA0075891  Heterotheca grandiflora Carol Zuck 1981-2-16 40 Riverside On I-74, 14.8 miles southeast of Santa Rosa Rd. overlooking Elsinore. Comment
  RSA596158  Heterotheca sessiliflora subsp. echioides D. L. Banks 1996-11-7 1218 B Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; On the main road in the Reservation., 1.6 km E of the roads crossing with Pechanga Creek on the northern fork of the creek at the E end of the Reservation. 415 Comment
  UC144126  Heterotheca sessiliflora subsp. fastigiata Mrs. C. M. Wilder 1909-8-1 1114 Riverside Banning Canyon Comment
  UCR214297  Hibiscus denudatus A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37472 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
  NY43246  Hilaria rigida C. R. Annable 1995-3-16 2294 Riverside Ca. 13km NE of Desert Center, on Hwy 177 Comment
  UCR85750  Hilaria rigida George K. Helmkamp 1994-4-26 88- 01 Riverside Western Colorado Desert, Indio Hills; north of the landfill on Edom Hill 213 Comment
  SD136873  Hirschfeldia incana Steve Boyd, Tim Ross 1992-5-5 7214 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 730 Comment
  UC724324  Hoffmannseggia glauca Aven and Ruth Nelson 1939-3-30 3344 Riverside between Mecca and Blythe (Highway 70) Comment
  UCR163059  Hoffmannseggia glauca B. G. Pitzer, G. R. Ballmer 2000-10-14 4220 Riverside Sonoran (Colorado) Desert, south of eastern Ford Dry Lake, south side of Hwy I-10 along gasline road, 0.5-0.75 mi. east of Ford Lake Rd. exit, c. 22 miles west of Blythe 115 Comment
  CAS-BOT-BC207572  Hoffmannseggia microphylla F. O. Ballou 1926-2-25 s.n. Riverside Painted Canyon [Canon] near Mecca Comment
  RSA674921  Hoita macrostachya Scott D. White, P. De Vries 2000-4-25 7734 Riverside Temescal Valley: Corona area, eastern foothills of Santa Ana Mountains just above citrus groves. 412 Comment
  UCR224395  Hordeum brachyantherum Justin M. Wood 2010-4-13 1463 B Riverside Prado Basin, city of Corona, small tributary to Temescal Wash, 0.5 mi northwest of Auburndale Street near Flood Control Dike 165 Comment
  UCR121802  Hordeum depressum A. C. Sanders, Carolyn Washburn 2001-4-17 24052 Riverside San Jacinto Valley, southwest edge of Hemet, north of Stetson Av. midway between Warren Rd. and California Av., east of canal 457 Comment
  UCR124333  Hordeum depressum J. Jacobi 1970-4-30 430- 01 Riverside 1 mi north of Lakeview, by bridge 274 Comment
  RSA688909  Hordeum murinum subsp. glaucum Scott D. White 2001-4-18 8354 Riverside Coachella Valley: Palm Springs. NE corner of Sunrise Dr. and San Raphael Dr. (Palm Springs) 152 Comment
  SDSU17483  Hordeum murinum subsp. leporinum Jerry Jenkins 2001-3-30 2001 -003 Riverside Santa Margarita Ecological Reserve. Edge of driveway. UTM zone 6, 482100E, 3699010N. UTM transfered to GIS. Comment
  RSA0018954  Horkelia clevelandii Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 658 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SD212603  Hosackia oblongifolia T. B. Salvato, John F. Green 2004-5-27 604 Riverside Head of Banning Canyon close to the San Bernardino County line, 0.5 mile southeast of Oak Glen Conservation Camp. 1402 Comment
  UCR178332  Hulsea heterochroma Mitch Provance, Tracy Tennant 1998-6-16 MOR- 443 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon 823 Comment
  CAS-BOT-BC312585  Hulsea vestita subsp. callicarpha Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  POM274195  Hulsea vestita subsp. callicarpha J. C. Roos 1946-8-27 2783 Riverside Santa Rosa Mts. 2407 Comment
  RSA740922  Hydrocotyle ranunculoides Scott D. White, Justin M. Wood 2008-7-9 12421 Riverside San Jacinto Mountains: Johnson Meadow 1415 Comment
  UCR91916A  Hydrocotyle umbellata A. C. Sanders, S. Hawkins 1996-4-24 18089 Riverside San Bernardino Mtns, Morongo Indian Reservation, SE edge of Burro Flats in vicinity of natural pond & bog 1159 Comment
  NY43421  Hymenoclea salsola C. R. Annable 1995-3-10 2263 Riverside 1.6km S of Lake Cahuilla County Park Comment
  PASA841  Hymenoclea salsola 1928-3-3 Riverside Hidden Springs Canon Col. Desert Comment
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Aug 27 2016
  RSA703812  Hymenoclea salsola var. salsola LeRoy Gross 2005-3-3 1596 Riverside Palen Mountains, south side. Near end of old prospect road., Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W 207 Comment
  RSA429838  Hymenolobus procumbens E. C. Jaeger 1922-4-16 713 Riverside Covington Ranch, Morongo Valley 610 Comment
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May 29 2011
  UC570561  Hymenoxys odorata Frank W. Peirson 1935-4-17 11468 Riverside 20 mi s Blythe Comment
  SBBG72735  Hypericum anagalloides R. Hoffmann 1929-9-5 Riverside Tahquitz Valley 2438 Comment
  RSA496568  Hypochaeris glabra Bill Wagner 1988-4-5 s.n. Riverside Approx. 1.5 miles NW of the community of Murrieta. South side of I-15 Fwy at the junction of Nutmeg Rd. 381 Comment
  RSA507508  Hypochaeris glabra Steve Myers 1988-6-4 s.n. Riverside Rancho California area, E of Winchester Road, between Auld Rd. & Borel Rd 396 Comment
  UCR156291  Hypochaeris glabra T. B. Salvato, Kent Beaman 2005-5-16 835 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
  UCR158142  Hypochaeris glabra A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30081 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
  CAS-BOT-BC219772  Hyptis emoryi B. D. Stark 1930-4-1 1498 Riverside Near Cathedral City Comment
  JOTR34370  Hyptis emoryi Andre, Jim 2012-4-16 20887 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  LA30753  Hyptis emoryi Peter H. Raven; 1958-1-24 11444 Riverside Fargo Canyon Comment
  RSA651634  Hyptis emoryi David B. Dunn, H. Lint 1955-4-1 11843 Riverside Pushawalla Canyon, Indio Hills. Comment
  UCSB12882  Hyptis emoryi Breedlove, Dennis 1962-3-11 Riverside Cat Creek, 3 miles southwest of Palm Desert 426 Comment
  SEINET7948522  Hyptis emoryi I. W. Clokey 1935-4-17 6866 Riverside Shafer Mills. Comment
  CAS-BOT-BC274060  Imperata brevifolia Louis Wheeler 1933-12-2 2318 Riverside U. S. 99 2 mi. NW Whitewater Station 365 Comment
  JEPS19094  Isocoma acradenia var. eremophila S. B. Parish 1913-2-28 8475 Riverside Mecca Salton Sink -60 Comment
  UCR239245  Isocoma acradenia var. eremophila Thomas R. Stoughton, J. McConnaughy, A. Monks 2010-12-1 721 Riverside Sonoran (Colorado) Desert, Coachella Valley Preserve, c. 0.25 mile east of road. Site #3 305 Comment
  CDA32703  Isocoma menziesii var. vernonioides Mike Lahti 2009-10-1 PDR# 1501831 Riverside Southwest of Perris, along the San Jacinto River banks. 0 Comment
  RSA0039516  Isocoma menziesii var. vernonioides Mike Lahti 2009-9-29 PDR 1501830 Riverside In the vicinity of Temecula. 1 mile south of Auld Road on Pourroy Road at Tucalota Creek. Comment
  RSA639130  Isoetes howellii R. F. Thorne, Earl Lathrope, Oscar Clarke, S. Carlquist 1968-4-18 37460 A Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California.. 609 Comment
  UC11122  Isomeris arborea H. M. Hall Apr 1897 450 Riverside Whitewater; Colorado Desert Comment
  RSA0035135  Isomeris arborea Lee Haines 1952-4-6 s.n. Riverside Box Canyon, HIghway 195. Comment
  JOTR30830  Ivesia saxosa Andre, Jim, Tasha La Doux 2008-9-16 10702 Riverside Joshua Tree National Park. JTNP; SE end of Splitrock Picnic Area. Queen Mountain USGS 7.5 min Quad. Near 34 00.486' N 116 03.288' W 1289 Comment
  POM265663  Jepsonia parryi J. C. Roos 1937-11-23 2295 Riverside La Sierra. Comment
  RSA619797  Juglans nigra A. C. Sanders 1998-8-20 22231 Riverside San Bernardino Mtns: Morongo Indian Reservation, lower Hathaway Creek Canyon. 838 Comment
  IRVC2015  Juncus balticus R. H. Whittaker, W. A. Niering 1963-6-6 SJ 248 Riverside 5509, Bee Canyon. San Jacinto Mountains 610 Comment
  UCR231756  Juncus balticus John F. Green 2008-4-23 07- 01 Riverside Peninsular Range, hills south of Perris, powerline route above the San Jacinto River, east of Lantana Dr., south of Ethanac Rd. 439 Comment
  UCR60930  Juncus balticus Steve Boyd, T. S. Ross, L. Arnseth 1989-6-11 3700 Riverside Peninsular Range, Vail Lake area, sandy wash draining into Wilson Creek at E end of lake Comment
  RSA674610  Juncus bufonius Scott D. White 2000-8-5 8109 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  RSA713394  Juncus bufonius R. E. Riefner 2005-4-22 5 -238 Riverside Patton Rd. at Patterson Ave. 452 Comment
  UCR214306  Juncus bufonius A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38377 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
  UCR273789  Juncus bufonius Mitch Provance 2012-4-20 412- 24 Riverside San Timoteo Canyon, just southeast of the SCE El Casco Substation, on the south side of San Timoteo Canyon Rd./Oak Valley Parkway 643 Comment
  RSA500154  Juncus bufonius var. occidentalis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3647 Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Hwy 79. 488 Comment
  RSA70059  Juncus bufonius var. occidentalis F. W. Peirson 1922-5-19 3019 Riverside Menifee Valley, south of Perris. 457 Comment
  UCR201666  Juncus effusus Scott D. White, Justin M. Wood 2008-6-18 12233 Riverside San Jacinto Mountains, K Flat Meadow 1445 Comment
  POM259160  Juncus effusus subsp. austrocalifornicus Phillip A. Munz 1938-8-14 15367 Riverside Head of Black Rabbit Canyon, Toro Peak, Santa Rosa Mountains. 2378 Comment
  UC2029975  Juncus mexicanus Scott D. White, Tasha LaDoux 20 Apr 2000 7689 Riverside SOUTH OF HEMET: Gibbel Flat in the Santa Rosa Hills. Comment
  POM1607  Juncus oxymeris D. L. Crawford, I. M. Johnston 1917-6-9 1232 Riverside Santa Ana River near Corona Comment
  UCR193376  Juncus oxymeris A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35623 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mi. WSW of Fleming Ranch, along nameless tributary of Herkey Creek 1585 Comment
  UCR24952  Juncus oxymeris A. C. Sanders 1980-7-18 1669 Riverside San Jacinto Mtns, Thomas Mountain; along a small dry creek in Spillway Canyon about 2 mi SW of Hwy 74 along Thomas Mountain Road 1463 Comment
  RSA304319  Juncus tiehmii Barbara Ertter, Jeffrey L. Strachan 1979-6-26 2987 Riverside Banning - Idyllwild Road (Highway 243) at Black Mountain turnoff (Forest Road 4S01). Comment
  RSA526136  Juncus tiehmii Steve Boyd, Timothy S. Ross 1990-5-11 4649 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  SD136978  Juncus tiehmii Steve Boyd, Tim Ross 1992-5-15 7390 Riverside Southern Santa Ana Mts,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. Local about vernally active seepage in shallow draw in burned chaparral. 671 Comment
  UC1495747  Juncus tiehmii Barbara Ertter and Jeffrey Strachan 1979-6-26 2971 Riverside behind Kenworthy Ranger Station (near Route 74, in Hemet Valley); San Jacinto Mountains, San Bernardino National Forest; Hemet Valley, San Jacinto Mts., San Bernardino Nat'l. Forest, Riverside Co. 762 Comment
  RSA737216  Juncus xiphioides Justin M. Wood 2008-9-30 171 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  SBBG104053  Juncus xiphioides A. C. Sanders with O. F. Clarke 1991-6-10 11136 Riverside Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River; Riverside 238 Comment
  CAS-BOT-BC85414  Juniperus californica Ivan Johnston 1917-4-4 1104 Riverside Palm Canyon 762 Comment
  RSA592671  Juniperus californica Scott D. White, Duayne Haselfeld 1996-7-2 4263 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
  CAS-BOT-BC234575  Justicia californica Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  RSA313565  Justicia californica D. C. Michener 1979-3-11 3451 a Riverside Santa Rosa Mountains: Deep Canyon, near the mouth of Sheep Canyon. Comment
  RSA402300  Justicia californica A. M. Johnson 1933-4-28 4235 Riverside On wash along Pines to Palms highway, below Palm Springs. Comment
  UC869489  Justicia californica C. L. Hitchcock 1940-4-5 5965 Riverside 3 mi. below Cottonwood Springs Comment
  CAS-BOT-BC235505  Keckiella antirrhinoides R. S. Woglum 1941-5-17 3038 Riverside Coyote Canyon, (extreme south-central) Riverside Co. Comment
  SEINET3079796 Image available Keckiella antirrhinoides Cindy Huebner 1988-4-17 8 -9 Riverside S of Riverside at Harford Springs County Park; Gavilan Road; 1 mi. E of Cajalco Road 732 Comment
  UCD123747  Keckiella antirrhinoides A. C. Sanders; T. B. Salvato 2000-5-25 23430 Riverside Menifee Valley. south of Newport Rd., north of Holland Rd., and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake. 439 Comment
  UCR149864  Keckiella antirrhinoides Scott D. White, Michael Honer 2004-4-6 10046 Riverside Perris/Elsinore Basins, Temescal Valley: just N of the I-15 freeway and east of Indian Truck Trail, S and west of Lee Lake 396 Comment
  UCR183016  Keckiella antirrhinoides Mitch Provance 2003-5-5 4428 B Riverside San Berardino Valley, Norco, SW slopes of the La Sierra Hills, +- 0.9 mi. WNW of Mt. Grape (peak 1064) 244 Comment
  LA209282  Keckiella antirrhinoides var. antirrhinoides W. E. Pequegnat; April 1937 24 Riverside Santa Ana Mountains, Glen Ivy Comment
  NY786715  Keckiella antirrhinoides var. antirrhinoides S. D. Boyd 1991-5-10 6217 Riverside Santa Ana Mountains, base of range, just north of mouth of Hagador Canyon at bottom of Skyline Drive. 426.7 Comment
  JEPS7926  Keckiella rothrockii var. jacintensis Carl V. Meyer 1928-7-27 557 Riverside San Jacinto Mountains, Round Valley Round Valley; San Jacinto Mountains, Round Valley 2804 Comment
  UC27502  Keckiella rothrockii var. jacintensis H. M. Hall 1901-6 2588 Riverside Tauquitz Valley; San Jacinto Mountains 2499 Comment
  UCR26445  Kochia scoparia A. C. Sanders 1981-9-13 2344 Riverside 3 mi NW of San Jacinto on Sanderson Ave., south of the Ramona Expressway Comment
  RSA20295  Krameria erecta Roxana S. Ferris, Ruth P. Rossbach 1938-5-15 9560 Riverside 1 mile below Cottonwood Springs Comment
  JEPS64827  Krameria grayi W. L. Jepson 1901-5-22 1403 Riverside Palm Canyon Mt. San Jacinto (and return to Van Deventer's); , Palm Canyon Comment
  UCR239247  Krameria grayi Andrew Monks, Jackie McConnaughy, Malia Volke 2010-1 036 Riverside Colorado (Sonoran) Desert, Hwy 177 north of Desert Center and Desert Lily Sanctuary, east of Joshua Tree National Park border 274 Comment
  UCR1617  Lamarckia aurea R. G. Barber 1962-5-12 s.n. Riverside Peninsular Range, Riverside, north of Big Springs Canyon on the top of Box Springs Mtn. 915 Comment
  UC909116  Langloisia setosissima subsp. setosissima Frank W. Peirson 1927-4-12 7177 Riverside at camp near forks Painted Canyon; Colorado Desert, Painted Canyon Comment
  CSUSB315  Larrea tridentata Anne Brown, Cary Brown 1964-4-11 11464 1 Riverside Palms-To-Pines Highway, just off Highway. 853 Comment
  JOTR36082  Larrea tridentata La Doux, Tasha, A. Johnson, A. Miller, T. Vaughn 2007-10-25 3310 Riverside Joshua Tree National Park. Pinto Mtn foothills, San Bernardino Wash, approx. 0.75 km South of Sunset Mine (STOP4). 475 Comment
  RSA0068129  Larrea tridentata Cheryl Sevilla, Sarah J. De Groot, Forrest Freund 2015-4-1 71 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
  RSA1201  Larrea tridentata B. D. Stark 1930-4-1 1494 Riverside San Gorgonio Pass. 457 Comment
  UC1922404  Larrea tridentata Naomi Fraga, Lisa Rojas 2005-2-10 1373 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCR214295  Larrea tridentata A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37474 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
  UCR41272  Larrea tridentata B. G. Pitzer 1986-2-9 9 Riverside Sonoran (Colorado) Desert, Santa Rosa Mountains: Martinez Canyon, SW of Valerie Jean, on upper fan, c. 1 mi east of mouth of canyon 122 Comment
  CAS-BOT-BC412764  Lastarriaea coriacea James L. Reveal 1988-5-23 6865 Riverside Along California Highway 75 at milepost 48, 3 miles east of Fairview Avenue in Valle Vista, north of the highway and south of the San Jacinto River 609 Comment
  RSA586296  Lastarriaea coriacea D. L. Banks, S. D. Boyd 1995-5-3 206 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UC1563120  Lastarriaea coriacea Steve Boyd, Tim Ross, Laurel Arnseth 1989-4-2 3237 Riverside n of Wilson Creek (at ne end of Vail Lake); Vail Lake 487 Comment
  POM361560  Lasthenia coronaria Ora M. Clark 1929-2-24 1518 Riverside Cabazon, Colorado Desert. Comment
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Mar 13 2011
  UCR202223  Lasthenia glabrata subsp. coulteri Karin Cleary-Rose, G. Nuhn 1995-7-20 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, west edge of Hemet, 19 acre parcel on the Wilhelm Ranch, between Hwy 74 and Whittier Ave, at south end of Hyatt Ave., west of the San Diego Aqueduct 457 Comment
  POM356985  Lasthenia gracilis R. F. Thorne 1973-5-23 43868 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  RSA612475  Lasthenia gracilis D. L. Banks 1997-3-1 1342 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Pechanga Creek, east of the ''Fiesta Grounds'' to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation. 423 Comment
  RSA691973  Lasthenia gracilis Scott D. White, Michael Honer 2003-4-2 8909 Riverside Temescal Valley: Just west of I-15 Freeway and northeast of Lawson Dr. 305 Comment
  UC1536905  Lasthenia gracilis G. H. True 1935-3-19 132 Riverside 6 mi se Perris 487 Comment
  RSA606062  Lathyrus R. S. Woglum 1934-3-18 648 Riverside Peninsuar Ranges: San Jacinto Mountains, Coachella Valley, Snow Creek. Comment
  RSA717837  Lathyrus vestitus T. Tennant, Jeffrey Ross 1998-4-30 MOR- 034 Riverside Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  RSA510024  Lathyrus vestitus subsp. laetiflorus B. Pitzer, E. Misquez 1988-2-28 616 Riverside 2 mi s of Rancho California Road (sw of Murrieta, Walker Basin, Avenida del Oro); Walker Basin, Avenida del Oro. Comment
  SD129329  Lathyrus vestitus var. alefeldii Steve Meyers 1990-3-21 Riverside Santa Rosa Plateau Area; along Gatos Road 0.5 miles south of Buena Vista Road (2 miles west of sandia Canyon & 0.1 mile north of San Diego county line) 366 Comment
  UC279713  Layia glandulosa Edmund C. Jaeger 1925-12-23 Riverside Aguanga 883 Comment
  CAS-BOT-BC249032  Layia platyglossa A. C. Sanders; Nathan Moorhatch 2011-3-22 38796 Riverside Peninsular Range; Perris-Aguanga Basin: Romoland in Menifee Valley, powerline route along McLaughlin Rd. between Palomar Rd. and San Jacinto Rd. 442 Comment
  CAS-BOT-BC379628  Layia platyglossa L. R. Abrams 1935-4-7 13669 Riverside Gavilan Hills, 2 mi. SW of Perris Comment
  RSA0001369  Layia ziegleri L. B. Ziegler 1966-6-1 s.n. Riverside Between Mountain Center and Keen Camp summit, San Jacinto Mts. 1448 Comment
  UCR272484  Lepidium Mitch Provance 2013-6-16 613- 25 Riverside Santa Ana River Valley, City of Riverside, Arlanza neighborhood, El Dorado Park on Warren St., about 0.35 mi W of Van Buren Blvd. 225 Comment
  RSA162736  Lepidium fremontii J. D. Olmsted 1958-4-29 78 Riverside Transition zone with interior drainage into Pinto Basin 5 miles N of Jct betw Cottonwood Pass and Cottonwod Spring Roads on the former, with become Pinto Basin road, Joshua Tree National Monument. 732 Comment
  UCR279379  Lepidium fremontii A. C. Sanders, Jim Malusa 2017-3-24 42973 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in canyon draining south toward Iris Wash, c. 3.5 km ESE of Iris Pass 723 Comment
  JOTR34340  Lepidium fremontii var. fremontii Andre, Jim 2012-4-11 20682 Riverside Joshua Tree National Park. N. end of Hexie Mountains, Hidden Tank Picnic Area, approx. 8 mi south of north entrance station, and 1.4 mi SW of paved road (Rte 11) 1076 Comment
  CAS-BOT-BC89584  Lepidium lasiocarpum C. L. Hitchcock 1940-3-31 5884 Riverside 0.5 mile below Cottonwood Spring. Comment
  CLARK-A1656-763  Lepidium lasiocarpum Theo Glenn 1979-2-10 Riverside Salton Sea Comment
  RSA4969  Lepidium lasiocarpum C. B. Wolf 1932-4-27 3029 Riverside Colorado desert, 3/4 mile west of Utopia on Mecca-Blythe road 152 Comment
  RSA554366  Lepidium lasiocarpum Theo Glenn 1991-4-9 91 -2 Riverside Big wash in Eagle Mountains. 786 Comment
  RSA778243  Lepidium lasiocarpum Duncan S. Bell 2009-3-8 48 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  UCR116428  Lepidium strictum A. C. Sanders 2001-5-1 24068 Riverside San Bernardino Valley region, Riverside, UCR campus 335 Comment
  RSA761277  Lepidium virginicum Shawn Krosnick, Naomi Fraga, Lucinda A. McDade 2010-8-14 677 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCD115877  Lepidium virginicum R. N. Raynor 1938-6-20 s.n. Riverside Pines to Palms Highway, near Herky Creek. Comment
  SD119932  Lepidium virginicum var. pubescens Louis B. Ziegler 1972-5-30 470 Riverside San Jacinto Mountains, Hemet, Garner Valley 1399 Comment
  RSA679066  Lepidium virginicum var. robinsonii Scott D. White 2001-4-13 8320 Riverside Badlands; County landfill area north of Moreno Valley. About 1/4 air mi NW of the SR-60 Freeway jtn with Gilman Springs Rd. 595 Comment
  UCR280624  Lepidium virginicum var. robinsonii Mitch Provance, Jeremiah George, Matt K. Beyers 2017-4-3 417- 12 Riverside Gavilan Hills, Alberhill Canyon, tower site 0.3 miles east of dirt road portion of Lake St., about 0.8 miles NNE of Lake St. and Walker Canyon Rd. 497 Comment
  CAS-BOT-BC329449  Lepidospartum squamatum Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 30 Comment
  UC828994  Lepidospartum squamatum Lewis S. Rose 1938-12-20 38332 Riverside 3 mi se of Palm Springs Station; Whitewater wash 274 Comment
  UCD63993  Leptochloa fusca subsp. uninervia W. A. Harvey 1954-11-1 Riverside Blyth. Comment
  SACT001409  Leptochloa uninervia Philip Munz, J. Johnston 1928-9-12 Riverside Common on sandy alkali flat. Comment
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Aug 22 2013
  POM364531  Leptosiphon ciliatus N. C. Cooper 1944-6-17 1396 Riverside San Jacinto Mts., Pine Cove. 1524 Comment
  RSA249828  Leptosiphon ciliatus R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38087 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  RSA171374  Leptosiphon floribundus subsp. glaber J. D. Olmsted 1962-5-3 3534 Riverside Above old Santa Rosa Indian Village; SW of Santa Rosa Mountain. 1905 Comment
  SD137680  Leptosiphon floribundus subsp. glaber Darin L. Banks, Steve Boyd 1995-4-5 157 Riverside Agua Tibia Wilderness Area; north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove, east of the Dripping Springs Trail in the north flowing drainage that empties into Arroyo Seco. 548 Comment
  SEINET3149002  Lesquerella recurvata H. M. Hall 1905-4-24 5882 Riverside Salvation Springs Comment
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Jul 30 2013
  UCR224368  Limonium duriusculum Justin M. Wood 2010-5-19 1843 Riverside Santa Ana Canyon, Santa Ana River, c. 1.4 mi downstream of Prado dam outlet, just northwest of Green River Housing Estate 131 Comment
  UCR200400  Linanthus aureus Tasha La Doux, Jim Andre 2008-3-21 142 Riverside Eastern Mojave Desert, Joshua Tree National Park, Pinkham Exit dirt road, at Cottonwood Visitors Center, just north of Cottonwood Canyon 939 Comment
  JOTR30666  Linanthus aureus subsp. aureus La Doux, Tasha, Jim Andre 2008-3-21 142 Riverside Joshua Tree National Park. Pinkham exit dirt road, at Cottonwood Visitor's Ctr, just N. of Cottonwood Cyn 938 Comment
  RSA773661  Linanthus dianthiflorus Duncan S. Bell, J. D. England 2010-5-20 1024 Riverside San Bernardino National Forest: Garner Valley, approximately 1.75 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1361 Comment
  POM65865  Linanthus dianthiflorus subsp. dianthiflorus H. M. Hall 1902-04 2942 Riverside Vicinity of Riverside 366 Comment
  SBBG87844  Linanthus jonesii A. C. Sanders, B. Pitzer, D. Charlton 1986-3-3 6108 Riverside Corn Springs, below spring to the S; Chuckawalla Mtns, T6S, R16E, S28 487 Comment
  JEPS8951  Linanthus lemmonii Rimo Bacigalupi with G. T. Robbins 1954-5-16 4472 Riverside about 0.75 mi s Sage (along State Highway 79, near summit of grade) 762 Comment
  UCR144129  Linanthus liniflorus Scott D. White, Bill La Haye 2000-5-27 7950 Riverside San Jacinto Mtn, Baldy Mountain area 1677 Comment
  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
  UCR241159  Linanthus pygmaeus A. C. Sanders, Timothy W. Chumley 2013-4-2 40748 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., near I-15 Fwy, SE of Corona (Lee) Lake 377 Comment
  UCR20554  Linum lewisii W. W. Mayhew 1977-6-27 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  CAS-BOT-BC432280  Lithophragma affine H. M. Hall 1897-2-27 364 Riverside Rawson Comment
  UC465549  Loeflingia squarrosa var. squarrosa Fred M. Reed 1907-6-9 1394 Riverside Ba<?> Ranch Riverside (Sec. 30) Comment
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Jul 30 2006
  JEPS69812  Loeseliastrum schottii Dr. L. M. Newlon 1922-4-8 423 Riverside e. Palm Springs (Mt. San Jacinto); Mt. San Jacinto Comment
  UC907977  Loeseliastrum schottii Margaret Stason 1927-2-12 Riverside 1000 Palm Canyon Colorado Desert, 1000 Palm Canyon Comment
  UC159240  Logfia depressa E. E. Schellenger 1911-4-25 Riverside s of Point of Rocks; Colorado Desert, White Water Wash Comment
  UCR63514  Logfia filaginoides Scott D. White 1990-6-16 s.n. Riverside Santa Ana Mtns, Cleveland National Forest, private land just inside the Forest boundary; E wall of Hagador Canyon, near the mouth of the canyon 400 Comment
  UCR87936  Logfia filaginoides A. C. Sanders, Nancy Ferguson 1994-6-2 14633 Riverside San Jacinto Mtns, Bautista Canyon, c. 1 mile above the forest service boundary 850 Comment
  SEINET251731 Image available Lolium rigidum Walter Graves 2002-6-11 602 -2 Riverside Grown iat U.C.R. in Agricultural Operations Fields 305 Comment
  SD137925  Lomatium lucidum Darin L. Banks 1995-4-11 177 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area. 835 Comment
  UCR158502  Lomatium lucidum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30023 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
  UCR62323  Lomatium lucidum Ed LaRue 1990-4-13 s.n. Riverside Peninsular Range, 0.5 mi. NW of Aguanga, c. 1.5 mi (air) north of San Diego Co. line, north of Hwy 79 and west of Hwy 371 642 Comment
  RSA356761  Lomatium vaginatum R. F. Thorne 1973-5-23 45532 Riverside Santa Rosa Plateau: N side of Mesa de Colorado. Santa Ana Mountains 609 Comment
  UCR94935  Lonicera subspicata Scott D. White 1996-8-15 4459 Riverside San Jacinto Mtns., Idyllwild Area: Unnamed drainage (tributary to Toll Rd. Cyn.) at crossing w/ USFS Rd. directly west of Isomata. 1555 Comment
  RSA100199  Lonicera subspicata var. denudata F. W. Peirson 1920-6-22 217 Riverside Dripping Springs, Temecula River 457 Comment
  RSA0020465  Lophocereus schottii Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6031 Riverside Chuckwalla Mountains; about 0.25 air mile southeast of Corn Spring. 480 Comment
  RSA703416  Lotus LeRoy Gross, Leland Lubinsky, Victor W. Steinmann, Linda Lee Worlow 2005-2-17 1446 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  UCR109483  Lotus argophyllus A. C. Sanders 1994-5-29 14569 Riverside San Bernardino Mtns, Millard Canyon, at stream crossing just below site of Millard Station on Forest Service Road 2S05 1100 Comment
  UC80918  Lotus crassifolius var. crassifolius A. W. Anthony 1895-7-13 Riverside San Jacinto Mountains 2438 Comment
  RSA282923  Lotus grandiflorus var. grandiflorus C. W. Tilforth, B. Busenberg 1980-6-17 1996 Riverside Along Hiway 74, west of Mountain Center Comment
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Jun 10 2012
  RSA715069  Lotus hamatus A. C. Sanders, D. Malueg 2003-5-8 26568 Riverside Perris-Aguanga Basin region: Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek. 396 Comment
  RSA717473  Lotus hamatus A. C. Sanders, Kelly Volansky 2005-3-17 29205 Riverside Perris-Aguanga Basin Region: French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., ca. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  RSA757447  Lotus heermannii Robert F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55226 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta 730 Comment
  UCR193888  Lotus heermannii A. C. Sanders, Mitch Provance 2008-7-11 35771 Riverside Peninsular Range; San Jacinto Mtns., FS road 5S02 to Coldwater Creek below road to helipad, 1 mi. NE of Mountain Center, c. 1/2 mile NE of Keenwild Fire Station 1463 Comment
  RSA6031  Lotus nevadensis var. nevadensis C. B. Wolf 1932-8-4 3916 Riverside San Jacinto Mountains: Point View near Idyllwild. 1646 Comment
  RSA60336  Lotus oblongifolius G. R. Campbell 1948-7-4 612 Riverside Azalea Trails Girl Scout Camp, Dark Canyon, north of Idyllwild. 1738 Comment
  UC864847  Lotus oblongifolius var. oblongifolius I. W. Clokey and E. G. Anderson 1935-8-21 6721 Riverside Hemet Lake 1300 Comment
  JEPS29485  Lotus rigidus Lauramay T. Dempster 1962-4-18 1897 Riverside Palms-to-Pines Highway Pinyon Flats 1066 Comment
  JOTR31881  Lotus rigidus La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2133 Riverside Joshua Tree National Park. Little San Bernardino Mountains; steep, gravelly, southwest facing slope above fork of Fargo and Rockhouse Canyons Comment
  POM99026  Lotus rigidus E. C. Jaeger 1926-3-26 s.n. Riverside Eagle Mts. Comment
  POM158595  Lotus salsuginosus G. R. Vasey 1880-06 126 Riverside Temecula Comment
  SEINET3562898 Image available Lotus salsuginosus C. L. Hitchcock 1940-3-30 5872 Riverside Cottonwood Spring Comment
  JOTR31011  Lotus salsuginosus var. brevivexillus La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1298 Riverside Joshua Tree National Park. Stop 6: Hexie Mountains, side canyon just north of Blue Cut Gorge Comment
  RSA450525  Lotus salsuginosus var. brevivexillus B. A. Prigge 1988-2-21 7845 Riverside Colorado Desert, Orocopia Mountains: 2 miles W of Clemens Well. 229 Comment
  UCR44444  Lotus salsuginosus var. salsuginosus A. C. Sanders, B. Pitzer 1986-4-30 6483 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
  HSC86948  Lotus scoparius B. Pitzer, E. Misquez 1988-2-28 624 Riverside SW of Murrieta, Walker Basin, Avenida del Oro, 2 mi. S of Rancho California Rd. 427 Comment
  UCR177842  Lotus scoparius subsp. brevialatus Marisa Sripracha, K. A. Boyd 2004-3-22 067 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  RSA263766  Lotus strigosus E. W. Lathrop 1968-6-2 6947 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. Comment
  RSA701361  Lotus strigosus Steve Boyd, Aydee Virgen 2004-4-13 10874 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UCR158505  Lotus strigosus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30038 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
  UCR20782  Lotus strigosus A. C. Sanders, Steve Boyd 1980-5-2 1393 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  POM1918  Lotus strigosus var. hirtellus H. M. Hall 1902-04 2776 Riverside Vicinity of Winchester 457 Comment
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Mar 20 2011
  POM49155  Lotus strigosus var. hirtellus P. A. Munz 1924-5-18 8134 Riverside 18 miles south of Banning on Idyllwild Road. 1524 Comment
  UCR260296  Lotus strigosus var. tomentellus A. C. Sanders, Jim Malusa 2015-3-9 41364 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along Gasline Road at major wash crossing 1.9 mi. south of Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range 686 Comment
  CLARK-A1045-130  Lotus tomentellus George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep Canyon; Palm Desert 15'Q Comment
  HSC92616  Lotus unifoliolatus var. unifoliolatus F. C. Vasek 1964-7-19 6407193 Riverside At Pine Cove, NW of Idyllwild Comment
  UC397414  Lupinus albifrons P. A. Munz 1921-4-30 4494 Riverside Pinyon Wells 1219 Comment
  POM308635  Lupinus arizonicus Henry J. Ramsey 1937-5-9 3214 Riverside Near Indio, Riverside Comment
  RSA795474  Lupinus arizonicus C. P. Cowan 1978-4-23 1208 Riverside 6.3 miles (10 km) south on Highway 74 from its junction with Highway 111 at Indian Wells. 480 Comment
  UC279692  Lupinus arizonicus Edmund C. Jaeger 1926-2-20 Riverside near Salton Sta. (Canyon Springs); near Salton Sta., Canyon Springs Comment
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Jan 21 2008
  UCR244879  Lupinus arizonicus Jim Andre 2012-3-19 21387 Riverside Sonoran (Colorado) Desert, Palen Mountains, along Palen Pass Rd at Palen Pass 383 Comment
  SEINET10488557  Lupinus arizonicus David Charlton 1988-2-18 Charlton 1194 Riverside Alluvial fan, s side of little san bernardino mtns. Fargo canyon road to Cottonwood wash, s of joshua tree national park, parallel to i-10. Creosote Bush scrub. 5 Miles e of jct. Dillon rd. And fargo cyn rd. Stable and disturbed Upper bajada with encelia, larrea. Common blue-flowered 1' annual on upper Bajada 762 Comment
  SBBG103916  Lupinus bicolor S. D. White 1993-4-22 1224 Riverside N Alberhill Ranch, in hills N of Walker Cyn 487 Comment
  SDSU13985  Lupinus bicolor Michael G. Simpson 2000-4-30 2080 Riverside Disturbed grassy field ssw of Southside field station (Henderson House), Santa Margarita Ecological Reserve (SDSU). 122 Comment
  JOTR35469  Lupinus concinnus Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 72 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W. of Juniper Flats (stop5) 1493 Comment
  UCR209001  Lupinus concinnus E. W. Lathrop 1959-4-17 4476 Riverside Peninsuar Range, Santa Ana Mtns., Tenaja [Santa Rosa] Plateau. 14 miles west of Murrieta, west slope of Redonda Mesa 854 Comment
  UCR188794  Lupinus excubitus var. excubitus Jim Andre 2006-4-26 7796 Riverside South Mojave Desert, Joshua Tree National Park, upper Long Canyon, canyon bottom c.1 mi north of Rattlesnake Spring 1321 Comment
  UCR94649  Lupinus excubitus var. hallii Scott D. White 1996-5-27 4068 Riverside Badlands, Jackrabbit Canyon, east of Moreno Valley and south of Calimesa, between Hwy 60 and Gilman Springs Road. 610 Comment
  RSA503811  Lupinus formosus N. C. Cooper 1944-5-20 1313 Riverside Palms to Pines Highway [Hwy 74], San Jacinto Mountains. 1280 Comment
  UC489013  Lupinus formosus C. V. Meyer 1929-6-18 773 Riverside Hemet Valley; San Jacinto Mts., Hemet Valley 1341 Comment
  LA205046  Lupinus formosus var. bridgesii Elizabeth McClintock; 1941-5-19 4 Riverside Santa Rosa Indian Reservation Comment
  RSA413645  Lupinus formosus var. formosus N. C. Cooper 1945-5-24 1639 Riverside Big Oaks Canyon, Banning. 1220 Comment
  RSA413656  Lupinus formosus var. formosus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  UCR107396  Lupinus hirsutissimus B. G. Pitzer 1997-3-23 2951 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
  UCR258631  Lupinus hirsutissimus T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7896 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
  RSA503807  Lupinus hyacinthinus N. C. Cooper 1944-7-16 1611 Riverside San Jacinto Mts, above Pine Cove. 1982 Comment
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Oct 24 2008
  RSA5431  Lupinus hyacinthinus Carl B. Wolf 1932-8-5 3985 Riverside near junction of trail from Round Valley to San Jacinto Peak and trail to idyllwild via Tahquitz Valley 2957 Comment
  UC129482  Lupinus shockleyi H. M. Hall Apr. 1905 5762 Riverside Palm Springs; Colorado Desert, Palm Springs 152 Comment
  CLARK-A1528-4873  Lupinus sparsiflorus John C. Roos 1937-3-23 434 Riverside Whitewater Comment
  RSA776231  Lupinus sparsiflorus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 873 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 762 Comment
  UCD109485  Lupinus sparsiflorus A. C. Sanders; Mitch Provance, T. B. Salvato 2001-5-17 24157 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 Dew Dr and Morse Girard St. 503 Comment
  UCR18665  Lupinus sparsiflorus Colin Wainwright 1977-3-28 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Spring area, Little Chuckwalla Mtns 610 Comment
  RSA525690  Lupinus sparsiflorus subsp. sparsiflorus Steve D. Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4561 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  RSA414826  Lupinus succulentus M. B. Dunkle 1934-3-18 3863 Riverside Moreno 488 Comment
  UCR87979  Lupinus truncatus G. P. Schultz 1994-3-13 s.n. Riverside Box Springs Mountains, slope above Big Springs Canyon. Comment
  RSA422102  Lycium andersonii Anstruther Davidson 1897-4-17 449 Riverside Whitewater. Comment
  RSA463719  Lycium brevipes A. C. Sanders 1985-12-22 5961 Riverside Coachella Valley, bouldery slope at old Indian fish traps, E eand of Ave. 66 at Jackson St. Comment
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Sep 10 2011
  RSA0054924  Lycium cooperi W. Marquart 1938-3-12 s.n. Riverside Mule Mts. South of Chuckawalla Range. Comment
  SEINET6173188  Lycium cooperi I. W. Clokey 1935-4-17 6880 Riverside Cottonwood Springs. Comment
  UC103834  Lycium torreyi E. Palmer, M. D. Mar 1876 425 Riverside Valley of the Colorado Comment
  RSA680490  Lythrum californicum Scott D. White, Michael Honer, Dylan Hannon 2003-6-24 9589 Riverside Near Rainbow Valley: Mountains west of I-15 Freeway and immediately north of San Diego County boundary. 335 Comment
  UCR180050  Lythrum californicum Mitch Provance 2005-5-18 9804 Riverside Warm Springs Valley, Nichols road wetland area at Alberhill Creek, south of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore 396 Comment
  UCR194217  Lythrum californicum Scott D. White, Angelia Carey 2004-6-4 10459 Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  UCR280832  Lythrum californicum T. B. Salvato, Gregg Miller 2005-6-3 1375 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River c. 2.5 mi SSW of Perris, 1.5 mi downstream of Goetz Road where the river leaves the Perris Plain and enters the hill area above Railroad Canyon 427 Comment
  RSA675800  Lythrum hyssopifolia Scott D. White 2001-7-9 8718 Riverside Menifee: 1 mile southwest of Bell Mtn. and 1/2 mile east of I-215 Freeway. 445 Comment
  UCR234801  Lythrum hyssopifolia Jeremiah George 2012-6-14 s.n. Riverside San Gorgonio Pass Region, Beaumont, just south of West 4th St. at end of small paved spur road, area boxed in by commercial development 772 Comment
  RSA50570  Machaeranthera canescens var. ziegleri E. C. Jaeger 1949-7-25 s.n. Riverside Summit, Santa Rosa Mountains 2470 Comment
  POM12800  Madia gracilis P. A. Munz 1922-6-23 5768 Riverside Keen Camp 1524 Comment
  CAS-BOT-BC206266  Malacothamnus fasciculatus Peter H. Raven; Sidney R. Snow 1956-7-6 9661 Riverside Vandeventer Flat, San Jacinto Mts. 1493 Comment
  UC303548  Malacothamnus fasciculatus var. fasciculatus I. M. Johnston 1918-5-30 2024 Riverside Temescal Canyon 335 Comment
  RSA769772  Malacothrix clevelandii Duncan S. Bell, J. D. England 2010-5-17 1005 Riverside San Bernardino National Forest: Rouse Ridge, approximately 3 air miles southeast of junction of Highway 74 and forest service road 5S15. Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 1045 Comment
  RSA89040  Malacothrix clevelandii J. C. Roos 1950-4-22 4756 Riverside 0.3 mi NE of summit of Reche Canyon 762 Comment
  POM11908  Malacothrix coulteri P. A. Munz 1922-4-29 5108 Riverside Sedco Station, Temescal Canyon Comment
  JEPS36648  Malacothrix glabrata Newlon 1922-4-3 427 Riverside 6 mi w Indian Wells Comment
  UC565507  Malacothrix glabrata H. L. Mason 1928-3-10 4181 Riverside Whitewater River Comment
  UCR180584  Malacothrix glabrata Scott D. White, Angelia Carey 2004-4-5 9999 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UCR41521  Malacothrix stebbinsii A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6081 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  JEPS66254  Malosma laurina W. L. Jepson 1901-6-1 1579 Riverside Temescal Wash 335 Comment
  UC2015595  Marah macrocarpa Scott D. White 1996-3-16 3830 Riverside Perris Basin, Lakeview Mts., N of Winchester, at Maze Stone Picnic Area. Comment
  UCR120939  Marah macrocarpa A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24954 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  CAS-BOT-BC193265  Marina parryi Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2131 Riverside N. end Palen Mtns, 2 mi west of Palen Pass 91 Comment
  JOTR28792  Marina parryi La Doux, Tasha 2005-3-30 1061 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  UCR149986  Marrubium vulgare Scott D. White, Angelia Carey 2004-5-7 10335 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  RSA357150  Marsilea vestita R. F. Thorne 1973-5-23 43846 Riverside Santa Rosa Plateau: Desiccated margin of large vernal pool N side of Mesa de Colorado 609 Comment
  UCR113041  Matricaria matricarioides Mitch Provance 1998-3-26 277 Riverside Jurupa Mountains, Glen Avon Hts., Boulder Hill Park, 0.7 km west of Pyrite St. on north side of Granite Hill Dr. 305 Comment
  UC35565  Matricaria occidentalis Mrs. Gregory 1890-1 Riverside San Jacinto Comment
  UCR217530  Meconella denticulata Diane Menuz 2009-4-30 489 Riverside Penimsular Ranges: Santa Ana Mts., Cleveland National Forest; c. 0.38 km east of Wildomar Rd., along Tenaja Canyon, near entrance and parking area 573 Comment
  UCR17807  Medicago minima O. F. Clarke 1973-4-6 s.n. Riverside San Jacinto Mtns, Juaro Canyon, lower west side of the mountains near Soboba Hot Springs 549 Comment
  CSUSB1099  Medicago sativa Heather Johnston 1967-5-21 052167 3 Riverside By exit from route 395 onto Lawless Road. 365 Comment
  UC205737  Melica frutescens I. M. Johnston 1918-4-27 1863 Riverside Temescal Canyon 365 Comment
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1
  CLARK-A1528-74  Melica imperfecta C. M. Flanagan 1973-4-14 OO 107 Riverside Sunnymead 609 Comment
  JOTR35203  Melica imperfecta Harding, Mitzi, Tasya Herskovitz 2011-4-28 180 Riverside Joshua Tree National Park. Lost Horse Mountains; near Lost Horse Mine trailhead; small rocky gully adjacent to trail 1414 Comment
  RSA0062499  Melica imperfecta J. M. Andre 2012-6-15 30520 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. 1308 Comment
  RSA403498  Melica imperfecta J. D. Olmsted 1962-5-10 3669 Riverside West of crest between Sandia and DeLuz Creeks along Murrieta to DeLuz Road. 206 Comment
  RSA613431  Melica imperfecta D. L. Banks 1997-3-29 1635 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
  UCR139045  Melilotus albus D. L. Banks 1997-3-1 1383 Riverside NW Palomar Mountains, Agua Tibia Mountains, Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and a long Pechanga Creek 335 Comment
  RSA500148  Melilotus albus Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3651 E Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Hwy 79. 488 Comment
  CSUSB1110  Melilotus indicus Randy Salstrom 1966-5-1 Riverside 10 yards west of north end of Blaine Street beside the Gage Canal in City of Riverside. 274 Comment
  UCR241210  Melilotus indicus Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 02 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, just inside gate at mouth of Hathaway Canyon 741 Comment
  UCR92142  Melilotus indicus D. L. Banks, Steve Boyd 1995-5-3 188 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
  UCR107766  Mentha D. L. Banks 1997-11-15 2194 Riverside NW Palomar Mtns, Agua Tibia Mtns: N face of Dorland Mtn, on the north side of the Dorland Mtn Arts Colony. Along the margins of a small man-made pond. 549 Comment
  JOTR37427  Mentzelia involucrata La Doux, Tasha 2016-3-9 3662 Riverside Above Hayfield Dry Lake - Stop 2 516 Comment
  POM294421  Mentzelia involucrata Lyman Benson, Robert Benson 1952-4-8 14845 Riverside Colorado Desert. 2 miles west of Shaver Summit, east of Indio, US 66. Colorado Desert Drainage Area. 610 Comment
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Mar 26 2011
  RSA676039  Mentzelia involucrata Scott D. White 2001-4-11 8289 Riverside Sonoran Desert: Indio Hills foothills / Coachella Valley. Northern terminus f Rio Del Sol Road, about 2 miles north of Thousand Palms. 146 Comment
  SBBG28080  Mentzelia involucrata D. Myrick 1964-4-30 831 Riverside Pines to Palms Hwy 74, 12 mi W of Palm Desert 1066 Comment
  SEINET225785  Mentzelia involucrata George K. Helmkamp 1983-4-5 483 -24 Riverside Chuckwalla Mountains, Large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road. 488 Comment
  UC872488  Mentzelia involucrata I. W. Clokey 1935-4-17 6762 Riverside Cottonwood Springs Comment
  POM126251  Mentzelia involucrata var. megalantha Thomas Craig 1927-4-2 25 Riverside Canyon near Hidden Springs. Comment
  RSA80991  Mentzelia jonesii G. R. Campbell 1952-4-5 18377 Riverside Colorado Desert, road leading from Highway 60 to 29 Palms [Hwy 62], at junction to Desert Hot Springs 762 Comment
  SDSU8093  Mentzelia veatchiana H. Wedberg 1962-4-20 914 Riverside About 1 mile SE of Pinyon Flats on road to Palm Springs. 1219 Comment
  UCR235117  Mesembryanthemum nodiflorum A. C. Sanders, John F. Green 2012-5-27 40220 Riverside Peninsular Range; Santa Ana Mtns. Region, Lake Elsinore area, Baker St. south of Nichols Rd. 386 Comment
  RSA180424  Micropus californicus E. W. Lathrop 1965-5-9 5734 Riverside 6 miles W of Murrieta. Comment
  RSA586507  Micropus californicus var. californicus D. L. Banks, S. D. Boyd 1995-5-9 0338 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  UCR77588  Microseris douglasii subsp. douglasii Steve Boyd, L. Arnseth, O. Mistretta 1991-5-6 6145 Riverside Peninsular Range; Santa Ana Mountains, south side of Elsinore Peak 1067 Comment
  UC2029942  Microseris douglasii subsp. platycarpha Steve Boyd 2001-4-12 10415 Riverside GAVILAN HILLS REGION: Southeast base of Alberhill Mountain on flats north of Nichols Road and West of Pierce Street, in the vicinity of the site of Terra Cotta. Comment
  UCR189587  Microseris douglasii subsp. platycarpha Diane Menuz 2006-5-23 102 Riverside Peninsular Range, Oak Mountain; c. 2.5 km north of Vail Lake 823 Comment
  RSA360991  Microseris heterocarpa Steve Boyd 1986-4-2 1584 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park 610 Comment
  UCR133407  Microseris lindleyi Tracy Tennant, J. S. Ross 1998-5-7 MOR- 81 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Wood Canyon, c. 0.6miles NNW of Cabazon. 1280 Comment
  UCR18670  Microseris lindleyi John C. Roos 1950-4-5 4721 Riverside Peninsular Range, Box Springs Mtns., north side of Pigeon Pass 427 Comment
  RSA0030784  Mimulus aurantiacus var. pubescens N. C. Cooper 1944-7-15 1554 Riverside Palms to Pine Hwy 1463 Comment
  RSA192069  Mimulus aurantiacus var. pubescens E. W. Lathrop 1965-4-4 5638 Riverside 8 miles west of Murrieta-Tenaja Range. Comment
  POM305379  Mimulus aurantiacus var. puniceus Henry J. Ramsey, Henry J. Ramsey 1938-5-4 639 Riverside Elsinore 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
  SDSU12851  Mimulus aurantiacus var. puniceus Janet M. Knotts with Jill Steinberg and Kevin Contreras 1998-3-25 25 III1998H Riverside Road to southwest of SDSU Santa Margarita Field Station, ca. 1000 feet S.W. on road to switchback, northwest of bend in road. 262 Comment
  UCR116664  Mimulus aurantiacus var. puniceus A. C. Sanders, Carolyn Washburn 2001-5-10 24234 Riverside Perris-Aguanga Basin, 1 mi. south of Winchester on the east side of Hwy 79 (Winchester Rd.) just south of Patton Ave. 488 Comment
  JEPS8159  Mimulus bigelovii var. bigelovii W. I. Follett 126 Riverside 5 mi w Desert Center; Colorado Desert Comment
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Sep 3 2011
  RSA124413  Mimulus bigelovii var. bigelovii Percy C. Everett, E. K. Balls 1958-4-29 23017 Riverside U. S. Hwy. 60/70, Indio to Blythe, 1 mi. W. of Cactus City. Comment
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Mar 20 2011
  CLARK-A1045-337  Mimulus brevipes George K. Helmkamp 1978-5-2 Riverside Bautista Canyon burn; Bautista Road; Hemet 15'Q Comment
  RSA796511  Mimulus brevipes Robert F. Thorne, E. W. Lathrop 1977-5-18 49721 Riverside Santa Ana Mountains: Bear Spring [east slope of Santiago Peak] Comment
  UCR108856  Mimulus brevipes Heidi A. Haid 1968-5-4 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR154644  Mimulus brevipes A. C. Sanders, T. B. Salvato 2005-4-28 29766 Riverside Peninsular Ranges, Gavilan Hills; north of Santa Rosa Rd., 1 mi. SW of Ida Leona Mine 625 Comment
  UC26929  Mimulus fremontii var. fremontii H. M. Hall June 1901 2049 Riverside vicinity Chalk Hill; San Jacinto Mountains 1524 Comment
  SEINET3078510 Image available Mimulus guttatus Ronald H Sauer 1965-4-21 s Riverside In the drainage ditch by the large black walnut at the base of hill of road to green houses, U.C.R. campus 366 Comment
  UCR167822  Mimulus guttatus T. B. Salvato, Melissa Clemons 2005-6-2 1347 Riverside Peninsular Range; Temescal Valley, Gavilan Hills, c. 0.5 mi SE of Steele Peak, 4 miles SW of Perris, and 6 miles NNE of Lake Elsinore, NW of Hwy 74 610 Comment
  UCR231772  Mimulus guttatus John F. Green 2008-4-23 08- 21 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  JEPS79795  Mimulus parishii Marjorie D. Clary 1932-6-5 1634 Riverside Eagle Canyon, w side of Colorado Desert Eagle Canyon; Colorado Desert 182 Comment
  RSA612170  Mimulus pilosus Louis C. Wheeler 1932-7-9 931 Riverside Santa Ana River at Chino Creek. 152 Comment
  UCR136200  Mimulus pilosus A. C. Sanders 2004-6-20 28220 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 305 Comment
  UCR275350  Mimulus pilosus T. B. Salvato, Melissa Clemons 2005-6-9 1493 Riverside Peninsular Range, Gavilan Hills, E/W trending side canyon feeding into Walker Canyon, c. 0.3 mile northeast of Hwy 15 457 Comment
  JEPS11002  Mimulus primuloides Carl V. Meyer 1928-7-31 602 Riverside Tahquitz Valley San Jacinto Mts. 2286 Comment
  RSA525349  Minuartia douglasii Steve Boyd, A. C. Sanders, Mark Skinner 1990-4-28 4447 Riverside Vail Lake area, benches along Kolb Creek, W of Dripping Springs, N of Hwy 79. 488 Comment
  UCR121350  Mirabilis albida A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24611 Riverside Mojave Desert, Little San Bernardino Mtns, Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airline) SW from park road in Lost Horse Valley 1372 Comment
  UCR90747  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
  UCR176753  Mirabilis laevis Jennie Phui 1998-5-30 041 Riverside San Bernardino Mtns./San Gorgonio Pass, Morongo Indian Reservation, eastern fork of Lion Canyon, 3 miles up Lion Canyon road north of I-10 Fwy 600 Comment
  SEINET7048177  Mirabilis laevis Steven R. Hill 2001-5-3 33683 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
  UCR211710  Mirabilis laevis var. crassifolia Fred M. Roberts, Michelle Balk 2006-5-1 6325 Riverside Perris Basin, Old Salt Creek watershed, South Hemet Hills, west of California Ave, c. 2.8 km southwest of the west end of Hemet Ryan Airport runway 483 Comment
  CAS-BOT-BC434815  Mirabilis laevis var. retrorsa Philip A. Munz 1949-4-12 13036 Riverside North base of Eagle Mts., Mohave Desert 944 Comment
  CAS-BOT-BC434822  Mirabilis laevis var. retrorsa John H. Thomas 1957-3-30 6535 Riverside 0.8 miles east of Cactus City, about 13 miles east of Coachella, near U. S. Highways 60 and 70. Colorado Desert. 518 Comment
  UC851827  Mirabilis laevis var. retrorsa I. W. Clokey 1935-4-17 6602 Riverside Cottonwood springs Comment
  CHSC1081  Mirabilis tenuiloba V. Holt 1942-3-27 Riverside Santa Rosa mountains. Comment
  SJSU11581  Mohavea confertiflora R. C. McGehee 1970-3-4 121 Riverside junction of Joshua Tree National Monument boundary & rd to Mission Sweet Mine Comment
  UC1063092  Mohavea confertiflora H. S. Yates 1937-3-23 6429 Riverside Painted Canyon 121 Comment
  UCR218318  Mohavea confertiflora Tasha La Doux, Jim Andre 2009-3-10 389 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood 542 Comment
  CAS-BOT-BC220024  Monardella breweri subsp. lanceolata Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  CLARK-A1528-4930  Monardella lanceolata John C. Roos 1943-8-8 2710 Riverside San Jacinto Mountains Comment
  CLARK-A1528-575  Monardella lanceolata C. M. Flanagan 1973-5-31 OO 602 Riverside Morongo Indian Reservation 914 Comment
  RSA210973  Monardella lanceolata var. lanceolata C. W. Tilforth 1969-7-24 214 Riverside About 4 miles east of County Hwy R-3 on Red Mountain Road, south of Hemet. Comment
  RSA401570A  Monardella lanceolata var. lanceolata G. R. Johnstone 1928-9-3 s.n. Riverside Mt Tahquitz Trail. 2287 Comment
  RSA408710  Monardella linoides subsp. linoides N. C. Cooper 1949-6-29 4286 Riverside Palms to Pines Hwy, San Jacinto Mt 915 Comment
  LA57196  Monardella nana Philip A. Munz; 1937-5-31 15114 Riverside at Anza tablet, head of Coyote Canyon, S.W. of Riverside county Comment
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Mar 11 2014
  LA96107  Monardella nana Elizabeth McClintock; Harlan Lewis 1941-6-29 75 Riverside Santa Rosa Mountains, road up. 4.5 mi above Pines to Plams Hwy Comment
  UC1499901  Monardella nana Elizabeth McClintock 1941-6-8 62 Riverside Road to Santa Rosa Mts. 2.6 miles above Pines to Palms Highway Comment
  UC1499929  Monardella nana E. McClintock, H. Lewis 1941-6-29 73 Riverside Road up Santa Rosa Mt. 2.3 miles beyond canyon where stream crosses road. Comment
  RSA307235  Monardella nana subsp. arida Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2113 Riverside Santa Rosa Mountains. Comment
  SEINET2442172  Monardella nana subsp. arida Unknownnown 1941-6-29 79 Riverside Road up Santa Rosa Mt. 41/2 miles beyond canyon where stream crosses road. Comment
  SEINET10582423  Monardella nana subsp. arida A. Graff 1993-6-24 Graff 61 Riverside San Bernadino National Forest, Santa Rosa Mtn. 1.4 miles down Santa Rosa Mtn. Rd. (USNFS Rd. 7S02) from Santa Rosa Camp, on right roadside, west-facing slope (heading back towards Hwy. 74). T7S,R5E,S29. Locally abundant in sun and shade of Pinus jeffreyi, Quercus chrysolepis, with Eriophyllum confertiflorum, Lonicera subspicta, Phlox austromontana, Galium andrewsii, Eriogonum fasciculatum var. foliosum, Amorpha californica, Bromus sitchensis, Castilleja sp. Comment
  CHSC67964  Monardella nana subsp. nana Alison Graff 1993-6-24 M- 15 Riverside San Bernardino National Forest, Santa Rosa Mtn. 1.4 mi down Santa Rosa Mtn. Rd. (FS 7S02) from Santa Rosa Camp. Comment
  RSA750300  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-15 113 Riverside San Jacinto Mts. On slope south of Strawberry Creek, and west of the saw mill at Domengonio Flats. Comment
  UC1499917  Monardella nana subsp. tenuiflora E. McClintock, H. Lewis 1941-6-22 74 Riverside on road to Black Mt. (1 1/2 mi from snow gate) Comment
  JEPS123817  Monardella robisonii T. La Doux with J. Andre 2008-9-16 349 Riverside Joshua Tree National Park: JTNP; on NE end of Splitrock Picnic Area. Queen Mountain USGS 7.5' Quad. Comment
  POM13770  Monolepis nuttalliana P. A. Munz 1922-4-30 5124 Riverside Lakeview. Comment
  RSA0042535  Monoptilon bellidiforme Ivan Johnston 1917-4-4 Riverside Palm Canyon. 457 Comment
  HSC49189  Monoptilon bellioides D. L. Goforth 1979-4-11 116 Riverside Box Canyon, 10 mi. E of Mecca on State Rte. 195. 220 Comment
  POM250432  Monoptilon bellioides I. W. Clokey 1935-4-17 6811 Riverside Cottonwood Springs. Comment
  POM363576  Monoptilon bellioides M. B. Dunkle 1935-4-17 4555 Riverside W. of Wiley Well. Colorado Desert. Comment
  RSA554208  Monoptilon bellioides Theo Glenn 1992-3-31 92 -15 Riverside Colorado Desert. N side of Eagle Mountains, Storm Jade Mine. Comment
  SD28014  Monoptilon bellioides Carl B. Wolf 1932-4-27 3061 Riverside 5.0 miles east of Desert Center. 149 Comment
  UCR60767  Monoptilon bellioides Steve Boyd, O. Mistretta 1986-3-13 1461 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  RSA582044  Muhlenbergia asperifolia L. C. Wheeler 1933-12-2 2313 Riverside U.S. 99: 2 miles NW Whitewater Station. 366 Comment
  JOTR38686  Muhlenbergia microsperma Hodges, Stephen R. 2017-2-7 702 Riverside Joshua Tree National Park. Little San Bernardino Mountains, West Deception Canyon, near the mouth of the canyon just north of the park boundary Comment
  LA105321  Muhlenbergia microsperma John C. Roos; 1946-10-26 3144 Riverside Chuckwalla Mountains, near tanks Comment
  JOTR34100  Muhlenbergia porteri La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1008 Riverside Joshua Tree National Park. Large open bajada in northwest Eagle Mountains, approx. 1.75 mi northeast of Cottonwood Visitor Center along roadside of Rte. 11 930 Comment
  OBI22027  Muhlenbergia porteri Robert F. Hoover 1966-10-15 10175 Riverside Bighorn Dr, San Jacinto Mts Comment
  RSA0078488  Muhlenbergia porteri Sarah J. De Groot, Duncan S. Bell 2015-9-21 7587 Riverside Santa Rosa Mountains south-southwest of Palm Desert. Along Carrizo Road just north of Highway 74. 1053 Comment
  JEPS62068  Muilla maritima W. L. Jepson 1901-5-20 1325 Riverside Thomas Valley Comment
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Feb 16 2013
  UCR35286  Muilla maritima L. B. Ziegler 1967-7-4 175 Riverside San Jacinto Mtns, S slope of Thomas Mountain 1555 Comment
  POM12434  Myosurus minimus subsp. apus P. A. Munz, D. M Johnston 1922-5-5 5162 Riverside March field Comment
  SD262367  Myosurus minimus var. apus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317 16 Riverside Elsinore Trough: Periodic eastern shoreline of Lake Elsinore (e.g. 1994), in the City of Lake Elsinore, A+- at the borderline with the Sedco Hills Neighborhood of the City of Wildomar, in open space along west side of Mission Trail at Lewis St. 387 Comment
  SD80145  Myriopteris covillei Nancy Ryan Zabriskie, Walter Zabriskie 1971-3-7 355 Riverside Andreas Canyon, ca 50 feet above stream opposite juncture with North Canyon, east slope of San Jacinto Mountains Comment
  CLARK-A1528-546  Nama demissa Fred B. Essig 1967-3-12 Riverside Joshua Tree National Park Comment
  UCSB5309  Nama demissa Beeks, Richard 1952-4-5 Riverside 12 miles E. of Shavers Summit Comment
  RSA653585  Nama stenocarpa A. C. Sanders, D. Bramlet, Mihai Costea, T. Salvato 1999-10-15 23173 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. S of Eden Hot Spr., [UTM 10km cell: 11S MH-9E, 4N. Mt. Rudolph] 433 Comment
  UCD88096  Nassella cernua Elizabeth Wilson 1940-4-2 s.n. Riverside Riverside Counrty: Riverside. South Banning, road to Palm Springs. Comment
  UCR65297  Navarretia atractyloides Steve Boyd, T. S. Ross 1989-6-24 3753 Riverside Vail Lake area, Along road in shallow canyon on SE flank of 'Little' Oak Mtn, west of Kolb Creek drainage, north of Hwy 79 Comment
  CAS-BOT-BC109111  Nemacaulis denudata var. gracilis Geo. B. Grant 1906-4-20 6718 Riverside Palm Springs Comment
  RSA439263C  Nemacladus glanduliferus Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  UCR256911  Nemacladus longiflorus var. breviflorus Naomi Fraga, Duncan S. Bell 2009-5-6 2707 Riverside Arroyo Seco SE of Dripping Springs Campground and Fire Station 518 Comment
  RSA586311  Nemacladus longiflorus var. longiflorus D. L. Banks, S. D. Boyd 1995-5-3 0222 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UCR68864  Nemacladus pinnatifidus Steve Boyd, T. S. Ross 1990-5-11 4705 Riverside Vail Lake area, Cleveland National Forest, N flank and summit of Wild Horse Peak, Agua Tibia Mtns 999 Comment
  RSA439261  Nemacladus ramosissimus Elbert Benjamine 1929-5-18 228 Riverside Mt. San Jacinto. Comment
  UCR256695  Nemacladus ramosissimus LeRoy Gross, Duncan S. Bell 2013-4-30 6025 Riverside Peninsular Range; San Jacinto Mtns., 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 1556 Comment
  SEINET10461076  Nemacladus ramosissimus Rimo Bacigalupi, Guy T. Robbins 1954-5-16 Bacigalupi 4464 Riverside St. John's Grade, State Highway 79, 11 miles south of Hemet, at junction of road to Red Mountain 792 Comment
  UC668348  Nemacladus sigmoideus Annie M. Alexander and Louise Kellogg 1941-4-24 2076 Riverside gorge of Dry Morongo Creek (Morongo Valley); Morongo Valley 640 Comment
  RSA517834  Nemacladus tenuis var. aliformis Steve Boyd, Orlando Mistretta 1986-3-13 1460 Riverside West side Palen Mts.: NE of Desert Center. Comment
  RSA716378  Nemophila menziesii Scott D. White 2006-4-27 11297 Riverside Perris Basin/San Jacinto Mtn Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  SD244167  Nemophila menziesii A. C. Sanders, Timothy W. Chumley 2013-4-2 40746 Riverside Peninsular Range: Temescal Canyon between Horsetheif Canyon Road and Hostettler Road, near I-15 Fwy, SE of Corona (Lee) Lake (Albrehill 7.5'Q) 377 Comment
  UC64047  Nemophila spatulata H. M. Hall 1901-7 2406 Riverside in meadows or along creeks of Tamarack Valley, San Jacinto Mountains San Jacinto Mountains, Tamarack Valley 2804 Comment
  UC127305  Nicotiana attenuata unknown Aug 1901 838 Riverside San Jacinto Mts. 1524 Comment
  UC303680  Nicotiana attenuata S. B. Parish 1900-1 4435 Riverside Strawberry Valley; San Jacinto Mts. 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
  JOTR30638  Nicotiana obtusifolia La Doux, Tasha, Erin Babich 2008-4-21 1800 Riverside Joshua Tree National Park. Stop 3-Little San Bernardino Mountains, S of Covington Flat 1290 Comment
  SBBG99844  Nicotiana obtusifolia W. L. Halvorson 1977-3-8 77 -75 Riverside ca. 1 mi S of the S entrance to Joshua Tree Nat Monument Comment
  UCR226792  Nicotiana obtusifolia Jim Andre 2011-2-9 15917 Riverside Sonoran (Colorado) Desert, Mecca Hills, along Box Canyon Road at upper end of gorge, c. 6 mi south southeast of the junction with Hwy I-10, c. 12 mi west of Chiriaco Summit 284 Comment
  UCR281921  Nicotiana obtusifolia A. C. Sanders, Jim Malusa 2017-9-21 43348 Riverside Sonoran (Colorado) Desert, northern boundary of Chocolate Mountains Aerial Gunnery Range along south side of Bradshaw Trail at large wash crossing 680 Comment
  VVC694  Nicotiana obtusifolia P. J. MacKay, T. Thomas 1997-2-8 101 Riverside Sonoran Desert, Palm Springs, Murray Canyon; at edge of creek btw palm groves 243 Comment
  POM243698  Nolina parryi E. C. Jaeger 1938-5-14 s.n. Riverside Stubbe Springs, Joshua Tree National Monument. 1280 Comment
  SD122667  Nolina parryi C. C. Parry Mar 1876 Riverside Rocky ridges near Whitewater Station in northern Colorado Desert. Photograph of specimen only. 239 Comment
  RSA655092  Notholaena californica Scott D. White 2000-4-17 7650 Riverside Menifee / Sun City Area: South of McColl Ave. and east of I-215 freeway. 442 Comment
  CLARK-A1528-35  Notholaena newberryi John C. Roos, Lucille Roos 1951-10-27 5348 Riverside Riverside 304 Comment
  RSA146287  Oenothera californica subsp. californica William M. Klein, R. K. Benjamin 1960-3-22 1303 Riverside Along California State Hwy 74 approximatley 12 miles east of the junction of the Aguanga-Anza road. Comment
  RSA18955  Oenothera californica subsp. californica Roxana S. Ferris, Ruth P. Rossbach 1938-5-20 9666 Riverside Between Riverside and Ontario. Comment
  RSA776903  Oenothera deltoides Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 959 Riverside Blythe-Rice Road, East/Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing. 243 Comment
  RSA118387  Oenothera deltoides subsp. deltoides P. A. Munz, David P. Gregory, William M. Klein 1958-4-4 22962 Riverside Sun Tan Motel, 3.5 mi. nw. Indio city limits, on Hwy 70 [Hwy 10]. 30 Comment
  UC68570  Oenothera deltoides subsp. deltoides H. M. Hall Apr. 1905 5768 Riverside Bradley Canyon Colorado Desert 91 Comment
  RSA640711  Oenothera elata subsp. hirsutissima Louis C. Wheeler 1931-7-30 s.n. Riverside Fairmount Park. Comment
  UCR261218  Olea europaea A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-20 41735 Riverside Temesal Canyon, open area on south side of I-15, between Horse Thief Canyon Road and Hostettler Rd. 396 Comment
  CAS-BOT-BC427458  Oligomeris linifolia Mrs. J. D. Abrams 1901-5-1 s.n. Riverside Elsinore Comment
  RSA0042168  Oligomeris linifolia Duncan S. Bell, Evan Meyer 2014-4-2 6518 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  RSA0050254  Oligomeris linifolia J. M. Andre 2013-3-27 24839 Riverside along Wilson River Crossing Rd, 0.8 mi. east of Hwy 95, 12.4 mi. south of Vidal Jct 114 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
  UCR214704  Oligomeris linifolia A. C. Sanders, Richard Dwerlkotte 2010-3-22 37521 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 1.5 mi. SE of Sidewinder Well, south end of Palen Dry Lake, SW of Palen Mtns. 130 Comment
  HSC47329  Olneya tesota Richard Spjut, C. E. Edson 1978-5-6 5025 Riverside Colorado Desert; N face of Chuckawalla Mountains, ca. 2.7 miles south of Desert Center 335 Comment
  UCR265202  Olneya tesota April Garbat, Kristin Forgrave 2013-5-29 76 Riverside Sonoran (Colorado) Desert, along Box Canyon Road from Cottonwood Springs Road to Mecca 305 Comment
  CAS-BOT-BC383075  Oncosiphon piluliferum R. E. Riefner, Jr. 2014-6-1 14 -141 Riverside Northeast of Norco, E of Eastvale, Community of La Sierra, Hidden Valley Wildlife Area, Santa Ana River Trail, ca. 0.6 mi N of Arlington Ave. 205 Comment
  UCR225721  Oncosiphon piluliferum A. C. Sanders 2011-3-30 38906 Riverside Peninsular Range, city of Lake Elsinore, along north edge of Hwy 74 at and above Trellis Lane 457 Comment
  RSA784717  Opuntia basilaris Duncan S. Bell 2012-3-18 3204 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  SEINET2057439  Opuntia leucotricha Mira M. Bogen, W. H. Earle 1987-5-10 Riverside Along Van Buren Blvd. between bridge over Santa Ana River and sewer plant, dirsturbed area by raodside. 210 Comment
  UCR161018  Opuntia littoralis Scott D. White 1994-6-23 2101 Riverside Temecula/Murrieta Region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  SEINET3412081  Opuntia polyacantha var. erinacea Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28526 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert. 1236 Comment
  CLARK-A1528-1043  Orcuttia californica Walton Wright 1977-8-15 Riverside Santa Ana Mountains Comment
  VVC2183  Orcuttia californica Tim Thomas, Bill Baker 1983-6-30 579 A Riverside Santa Rosa Plateau, Burro Mesa 630 Comment
  UC1539723  Orobanche cooperi Chas. B. Fiker 1946-4-17 Riverside w side of Colorado Desert Colorado Desert; w side of Colorado Desert Comment
  UCSC011194  Orobanche cooperi Adam Searcy 2012-4-7 52 Riverside SR 177 junction with Coxcomb Monument Road Comment
  RSA602272  Orobanche cooperi Louis C. Wheeler 1952-4-5 6848 Riverside Mecca: Box Canyon Road at canal. Comment
  CAS-BOT-BC502864  Orobanche cooperi subsp. cooperi F. O. Ballou 1926-2-27 s.n. Riverside Old beach line near Fish Springs Comment
  RSA0059226  Orobanche cooperi subsp. latiloba Carl B. Wolf 1932-4-29 3113 Riverside Eastern Colorado Desert, 4 mi. So. of Brown's Well, on the Blythe-Rice road. 213 Comment
  RSA0076495  Orobanche fasciculata Steve Boyd, Chris Frazier 1993-4-24 8008 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road. 792 Comment
  RSA619565  Orthocarpus purpurascens var. purpurascens D. L. Banks 1997-5-5 2003 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  CLARK-A1528-4778  Oryzopsis miliacea John C. Roos 1965-6-19 Riverside Santa Ana Mountains Comment
  SDSU13836  Osmadenia tenella W. Miller 1972-7-11 Riverside Comment
  POM11502  Osmorhiza berteroi P. A. Munz 1922-7-6 6031 Riverside Between Tahquitz and Round Valley. 2195 Comment
  POM353442  Oxalis corniculata Katharine Beers 1929-1 s.n. Riverside Murietta Hot Springs. Comment
  POM12410  Oxyria digyna P. A. Munz 1922-9-7 6406 Riverside San Jacinto Peak, near the summit 3277 Comment
  POM121836  Oxytheca caryophylloides Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  UCR217526  Oxytheca caryophylloides Jeff B. Galvin 2010-6-17 136 Riverside San Jacinto Mtns, Black Mountain trail. c. 1/2 mile east of Hwy 243 and 1/2 mile north-northeast of Bay Tree Spring 1728 Comment
  JEPS44379  Oxytheca trilobata Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4277 Riverside 1.8 mi above Mountain Home Spring (on road to Santa Rosa Mountain) Comment
  UCR139142  Oxytheca trilobata John F. Green 2003-6-11 s.n. Riverside San Jacinto Mtns., Juan Diego Flat, NW of Cahuilla Mountain 1220 Comment
  CHSC35506  Paeonia californica Donna Panico 1972-4-30 33 Riverside 3 mi. SW of Washington Rd. on Tenaja Rd. in Cleveland Nat'l Forest. 548 Comment
  UC1979663  Paeonia californica Darin L. Banks, Steve Boyd 1995-3-15 66 Riverside NW Palomar Mtns., Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. Comment
  SEINET3148312  Palafoxia arida S. B. Parish 1907-4-19 6098 Riverside Western border of the Colorado desert 150 Comment
  UC61508  Palafoxia arida var. arida L. D. Copeland 1904-5-5 Riverside Palm Springs Comment
  UCSB9697  Palafoxia arida var. arida Leeuwen, Henry 1957-4-13 Riverside On shoulder of Cal. Hwy. 195 about 10 miles west of U.S. 60 Comment
  UCD134880  Palafoxia arida var. gigantea Ann F. Johnson 1975-1-3 1121 Riverside near Highway I-10 at 'Stuckey's Candy' north of Palm Springs. Comment
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Nov 27 2014
  UC39300  Panicum acuminatum var. acuminatum H. M. Hall June 1901 2244 Riverside North Fork San Jacinto River San Jacinto Mountains, North Fork San Jacinto River (Southern California) 914 Comment
  CAS-BOT-BC253749  Panicum capillare Scott D. White; Steve Ogg 1994-10-17 2489 Riverside Temecula Valley. City of Temecula, Murrieta Creek channel directly W of Cherry Street 315 Comment
  RSA314484  Panicum capillare R. F. Thorne, K. L. Wright, R. K. Benjamin 1982-10-8 55367 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  RSA522094  Panicum capillare Steve Boyd, Orlando Mistretta 1989-7-18 3762 Riverside Vail Lake area, confluence of Kolb Creek with lake. 426 Comment
  POM193819  Panicum hirticaule subsp. hirticaule Marcus E. Jones 1929-9-19 24693 Riverside East of Desert Center Comment
  UCR43282  Panicum urvilleanum B. A. Carlson 1986-4-10 s.n. Riverside Upper Coachella Valley, floodplain of the Whitewater River at field of wind turbines among settling ponds west of Indian Avenue near Hugo Siding on S.P.R.R. 244 Comment
  UCR112132  Papaver somniferum A. C. Sanders, B. Pitzer, T. B. Salvato 1998-4-26 21758 Riverside Box Springs Mtns., Highgrove, mouth of Pigeon Pass Canyon at intersection of Pigeon Pass Rd. and Mt. Vernon Ave. 320 Comment
  RSA523506  Parietaria hespera var. hespera Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-3-30 3965 -B Riverside Vail Lake Area, westerly drainage cyn at N base of 'Big' Oak Mtn. 640 Comment
  RSA746822  Parietaria hespera var. hespera Michael Honer 2003-4-16 1834 Riverside Gavilan Hills, W slope: about 1 mile N of I-15 freeway, 1 mile E of Lake St. exit. On and around peak '2349' 640 Comment
  SBBG3285  Parkinsonia florida H. and M. Dearing 1940-6-7 4334 Riverside Box Cyn, E of Mecca Comment
  CLARK-A1528-4791  Paspalum dilatatum John C. Roos 1951-9-25 5262 Riverside Riverside 259 Comment
  UC184054  Paspalum urvillei Miss H. A. Gray June 1915 Riverside Palm Spr. R. R. Station Comment
  JOTR38523  Pectis papposa var. papposa Harding, Mitzi, Kipp Callahan 2012-8-27 292 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  OBI15591  Pectis papposa var. papposa Robert F. Hoover 1966-10-15 10174 Riverside Bighorn Dr, San Jacinto Mts Comment
  UCD134919  Pectis papposa var. papposa F. D. Parker 1965-10-18 s.n. Riverside Interstate Highway 10, 18.5 miles west of Blythe. Comment
  UCD134925  Pectis papposa var. papposa G. L. Webster; R. Hildreth 1966-12-10 7465 Riverside Joshua Tree National Monument, near Cottonwood Canyon. 701 Comment
  RSA775949  Pectocarya heterocarpa Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 939 Riverside Wash crossing Midland Rice Road, near saddle between Little Maria Mountains and Big Maria Mountains 320 Comment
  RSA800116  Pectocarya heterocarpa Duncan S. Bell 2013-4-7 4757 Riverside Arica Mountains, east side of range; west side of Rice Valley approximately 4 air miles south of the ghost town of Rice. 207 Comment
  SEINET3004966  Pectocarya heterocarpa G. Rink 2011-3-23 10390 Riverside Desert flats north of Blythe, east of the McCoy Mtns 109 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
  SD236233  Pectocarya linearis John F. Green 2006-4-25 Riverside Peninsular Ranges; Foothills of Santa Ana Mountains / Santa Rosa Plateau; Temecula, Southern California Edison right of way between residential areas, N-S corridor between S General Kearny Road and la Serena Way; E of Veterans park (Bachelor Mtn 7.5'Q) 366 Comment
  UCR114826  Pectocarya linearis Mitch Provance, Seychelle Provance 1998-2-17 86 Riverside Jurupa Mountains, Jensen Quarry; Sunnyside area on W side of Sierra Blvd, c. 0.2 miles NW of the corner of Scenic Dr. and 34th St. 348 Comment
  UCR182320  Pectocarya linearis Mitch Provance 2003-4-18 6602 Riverside San Bernardino Valley, Riverside, Santa Ana River Wash, just under and NE of the Market St. Bridge 244 Comment
  RSA523295  Pectocarya linearis subsp. ferocula G. H. True 1935-2-22 15 Riverside Gavilan Hills. 549 Comment
  RSA586093  Pectocarya linearis subsp. ferocula D. L. Banks, S. D. Boyd 1995-4-5 134 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, E of the Dripping Springs Trail., In the N flowing drainage that empties into Arroyo Seco. 610 Comment
  JEPS68196  Pectocarya penicillata W. L. Jepson 1935-4-17 19149 Riverside 1.5 mi n Elsinore 457 Comment
  RSA586305  Pectocarya penicillata D. L. Banks, S. D. Boyd 1995-5-3 216 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
  SD144478  Pectocarya penicillata A. C. Sanders 1997-3-1 19709 Riverside Box Springs Mtns: Coyote Hill (Bench Mark Versity, 1386 Ft.) and ridge S and SE of the UCR Botanic Garden. 427 Comment
  UCR139716  Pectocarya platycarpa B. G. Pitzer 1989-4-16 1306 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, just outside impact area, 1 km south of Tabaseca Tank 700 Comment
  UC882271  Pectocarya setosa C. L. Hitchcock 1940-4-2 5910 Riverside Joshua Tree National Monument, Cottonwood Springs wash Comment
  RSA552768  Pedicularis densiflora Steve D. Boyd 1992-3-31 6763 Riverside San Mateo Cyn. Wilderness Area. Tenaja Trail from jtn w/ Morgan Tr. S to Pigeon Spring area. 670 Comment
  SEINET3124929 Image available Pellaea andromedifolia Andrew C. Sanders, M. Jacobsmyer, C. L. Sanders 1995-1 15906 Riverside Western Colorado Desert/ San Bernardino Mtns.; Whitewater Canyon, between Bonnie Bell & the fish hatchery 550 Comment
  UCD137695  Pellaea mucronata Geoffrey Levin 1975-4-26 486 Riverside Mayhew Canyon Wash 1.5 mi. SE of Glen Ivy on Highway 71. Drainage Area: Pacific slope. 335 Comment
  UCR261392  Pellaea mucronata Joseph Cahill 2011-1-8 111- 22 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, San Juan Loop Trail, c. 0.5 mi. from eastern trailhead off Hwy 74 590 Comment
  RSA495413  Pellaea mucronata var. mucronata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-12 2948 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  RSA785456  Pennisetum villosum T. B. Salvato 2000-8-22 20 Riverside Riverside, Bascomb Drive at Don Goodwin Street 309 Comment
  RSA717835  Penstemon X parishii T. Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 524 Riverside Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  CLARK-A1045-115  Penstemon antirrhinoides George K. Helmkamp 1977-3-20 Riverside Pinyon Pines area above west edge of Deep Canyon; Palm Desert 15'Q Comment
  POM259128  Penstemon californicus Philip A. Munz 1938-8-14 15378 Riverside East of Toro Peak 2287 Comment
  RSA97018  Penstemon clevelandii subsp. connatus R. M. Straw 1953-6-4 436 Riverside Head of Palm Canyon, Palms to Pines Hwy. Comment
  SD178241  Penstemon clevelandii var. connatus Mitch Provance, Kerry Knudsen and Petra Wester 2004-5-8 9020 Riverside Santa Rosa Mountains; ca. 0.5 mile south on Santa Rosa Mountain Road from Highway 74. 1402 Comment
  POM11198  Penstemon grinnellii Philip A. Munz 1922-6-26 5826 Riverside Santa Rosa Mts. Road to Santa Rosa from Vande venter 1768 Comment
  POM47016  Penstemon grinnellii Mary F. Spencer 1919-6-27 1230 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  UC454142  Penstemon labrosus I. J. Condit 1910-6-21 Riverside near Idyllwild (San Jacinto Mts.); , near Idyllwild 1584 Comment
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Mar 21 2011
  UCR23246  Penstemon pseudospectabilis John C. Roos 1958-2-22 s.n. Riverside Chuckwalla Mtns., Canyon 2.5 mi S.E. of Desert Center Comment
  UCR245239  Penstemon pseudospectabilis Jim Andre 2012-3-19 21330 Riverside Sonoran (Colorado) Desert, north end of Chuckwalla Mountains at Jaeger Nature Sanctuary, 1.5 mi. south of junction Eagle Mt Rd and I-10 freeway 411 Comment
  SD229291  Penstemon rostriflorus Dick Schwenkmeyer 2011-8-25 653 Riverside Thomas Mountain, Tool Box Springs Campground 1857 Comment
  UC1063197  Penstemon spectabilis A. Lewis Mar 1934 321 Riverside Bedford Canyon Cleveland National Forest, Corona Quadrangle Comment
  CAS-BOT-BC330345  Pentachaeta aurea F. W. Peirson 1922-5-19 3037 Riverside Road along San Jacinto River, San Jacinto Mts. 1143 Comment
  POM7597  Pentachaeta aurea P. A. Munz, R. D. Harwood 1920-4-20 3755 Riverside Elsinore 366 Comment
  UC35609  Pentachaeta aurea H. M. Hall May 20 1899-May 22 1899 1136 Riverside Johnson's Ranch San Jacinto Mountains 1524 Comment
  UCR122542  Pentachaeta aurea George K. Helmkamp, E. A. Helmkamp 2001-5-20 6672 Riverside San Jacinto Mountains., Apple Canyon Rd, 1.5 mi NE of CA-74 1463 Comment
  CAS-BOT-BC77473  Peritoma arborea var. angustata Peter H. Raven 1958-1-23 10409 Riverside 2.7 miles west of Whitewater Post Office Comment
  JOTR35352  Peritoma arborea var. angustata Andre, Jim 2012-4-11 20704 Riverside Joshua Tree National Park. N. end of Hexie Mountains, Hidden Tank Picnic Area, approx. 8 mi south of north entrance station, and 1.4 mi SW of paved road (Rte 11) 1076 Comment
  RSA0081614  Perityle emoryi Jim M. Andre 2012-4-11 20833 Riverside Joshua Tree National Park; western margin of Eagle Mtns, along road to Cottonwood Spr (Utah Trail), 0.6 mi. south of Cottonwood Visitor Ctr. 913 Comment
  SEINET7373942 Image available Perityle emoryi Duncan S. Bell, Evan Meyer 2014-4-2 6510 Riverside Orocopia Mountains: Orocopia Mountains Wildnerness area; southern section of range; approx. 1 air mi NW of Canyon Spring. 422 Comment
  CAS-BOT-BC418844  Persicaria hydropiperoides J. Ewan 1931-10-3 5211 Riverside Santa Ana River 4 mi. N.W. of Corona Comment
  JEPS41248  Petalonyx linearis F. W. Peirson 1921-3-23 2376 Riverside Deep Canyon; Colorado Desert 335 Comment
  JOTR35333  Petalonyx linearis Harding, Mitzi, Mark Wheeler 2012-2-28 99 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; southeastern most canyon in the range (Stop 2) 265 Comment
  RSA20300  Petalonyx thurberi Roxana S. Ferris, Ruth P. Rossbach 1938-5-16 9568 Riverside Mecca Hills 2 miles up Painted Canyon. Comment
  CAS-BOT-BC326735  Peucephyllum schottii E. A. McGregor 1917-3-17 709 Riverside Granite Ridge west of Fig Tree John's Comment
  PASA1350  Peucephyllum schottii Frank W. Peirson 1930-5-29 Riverside Painted Canyon Comment
  RSA696807  Peucephyllum schottii J. R. Bruff 1928-4-2 96 Riverside Canyon wash west of Morango Comment
  RSA721892  Peucephyllum schottii J. Mark Porter, Orlando Mistretta 2003-6-5 13611 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
  UCR91557  Peucephyllum schottii A. C. Sanders, L. Lubinsky, A. Knapp, P. J. MacKay, C. L. Sanders 1995-2-12 15923 Riverside Sonoran (Colorado) Desert, Coachella Valley, mouth of Fargo Canyon, Litthe San Bernardino mtns., 1.2 mi. above junction with Aqueduct Road. 367 Comment
  UCD166239  Phacelia Jack Major 1962-4-16 774 -bd Riverside Along California Hwy 74, below Pinyon Flat toward Palm Desert. (Exact location unknown. Coordinates estimated by label maker.) 1220 Comment
  RSA791582  Phacelia ambigua var. minutiflora D. Silverman, Onkar Singh 2010-3-27 8056 Riverside North edge of Palo Verde Mesa, 150 m south of McCoy Wash, 5.3 km WSW of Mesaville Siding, and 6.1 km north of Blythe Airport. 137 Comment
  UCR251982  Phacelia brachyloba A. C. Sanders, T. B. Salvato 2014-7-2 41184 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  RSA314616  Phacelia campanularia Robert F. Thorne 1983-4-23 55465 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  JEPS1113  Phacelia campanularia subsp. campanularia S. Walker 1937-3-24 Riverside Deep Canyon Santa Rosa Mountains Comment
  UCR244398  Phacelia campanularia subsp. vasiformis Jim Andre 2012-4-16 20979 Riverside Southern Mojave Desert, Joshua Tree National Park; along Cottonwood Springs Rd [=Pinto Basin Rd.], c. 6 mi. south of north entrance at Twin Tanks parking area 1197 Comment
  RSA614227  Phacelia ciliata D. Bramlet 1993-3-30 2303 Riverside South Cajalco Benc. the site is located some 61m south of Cajalco Road, at a location 3.2km east of the intersection of Cajalco Road and Sierra Ave. The site is 152m E of the intersection with the Old Monument Peak access road. 451 Comment
  UCR37441  Phacelia ciliata Steve Boyd 1981-4-15 s.n. Riverside Gavilan Hills area, south of Lake Matthews Comment
  SEINET5584423  Phacelia crenulata Stephen Hale 2010-1 Riverside Along powerline, adjacent to State Route 95 120 Comment
  UCR112089  Phacelia crenulata A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23363 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 15 Comment
  UC1563073  Phacelia crenulata var. ambigua Steve Boyd and Orlando Mistretta 1986-3-13 1440 Riverside ne Desert Center; West side Palen Mts. Comment
  UCR217803  Phacelia crenulata var. ambigua Jim Andre, T. La Doux 2010-2-28 12549 Riverside Lower Colorado River Valley, along Hwy 95 c. 20 miles south of Vidal Junction, at SE corner of Riverside Mountains 145 Comment
  RSA0120440  Phacelia cryptantha Duncan S. Bell, LeRoy Gross 2016-5-18 9597 Riverside Santa Rosa Mountains; west side of Martinez Mountain; hills in the northern section of Little Pinyon Flat. 1316 Comment
  CAS-BOT-BC133955  Phacelia distans Milo S. Baker 1928-4-3 3310 Riverside Palm canon Comment
  CAS-BOT-BC133961  Phacelia distans D. A. Johansen; J. A. Ewan 1932-4-11 7067 Riverside Mouth of Tahquitz Canyon Comment
  JEPS2009  Phacelia distans W. L. Jepson 1939-4-17 19128 Riverside near Twin Sprs. (n end of canyon, sw Riverside Co.); Temescal Canyon Comment
  JOTR16717  Phacelia distans Baker, James K. & Baker, Ilisa T. 1966-6-17 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS Comment
  POM182077  Phacelia distans P. A. Munz 1932-3-14 11973 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  RSA4908  Phacelia distans Carl B. Wolf 1932-4-27 3024 Riverside Colorado desert, 3/4 mile west of Utopia on Mecca-Blythe road 152 Comment
  SDSU6604  Phacelia distans Marjorie Collier 1951-3-25 Riverside 5 miles northeast of Palm Springs on dry brushy hillside, roadside. Comment
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Jan 30 2013
  UC68751  Phacelia distans H. M. Hall April, 1905 5884 Riverside Chuckawalla Bench Colorado Desert Comment
  UC702030  Phacelia distans Frank W. Gould 1943-4-18 2147 Riverside near Banning (on the Idlewild cutoff) Comment
  UCR156078  Phacelia distans T. B. Salvato, Kent Beaman 2005-5-16 794 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
  JOTR16715  Phacelia fremontii Wanrow, E. 1968-5-6 s.n. Riverside Joshua Tree National Park. EUREKA PEAK 1676 Comment
  UC663064  Phacelia fremontii James E. Cole 1941-5-2 673 Riverside Lost Horse Valley Joshua Tree National Monument 1310 Comment
  POM46987  Phacelia imbricata subsp. patula Mary F. Spencer 1919-7-2 1237 Riverside San Jacinto Mt. 1646 Comment
  JOTR30257  Phacelia ivesiana Leary, C. and Leary, Pat 1979-5-6 3029 Riverside Joshua Tree National Park. ca. 1.0 mi S.E. of Quail Mtn., Joshua Tree N.M., T2S R7E sec 14 Comment
  CSUSB146  Phacelia minor Barry Glaser 1964-3-9 640903 10 Riverside Edwards Canyon in Elsinore Mountains. 20 yards from road. 914 Comment
  JEPS60184  Phacelia minor L. R. Heckard 1969-4-24 2161 Riverside hillside along Hwy 79 about 7 mi s Sage Comment
  OBI35676  Phacelia minor Louis B. Ziegler 1967-2-15 106 Riverside San Jacinto Valley-Hills N of Lakeview 457 Comment
  RSA770683  Phacelia minor Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4799 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  SD143842  Phacelia minor A. C. Sanders 1997-3-1 19704 Riverside Box Springs Mountains: Coyote Hill (Bench Mark Versity, 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  UC68748  Phacelia minor H. M. Hall April, 1905 5754 Riverside Whitewater Colorado Desert 243 Comment
  UCR113174  Phacelia minor A. C. Sanders 1998-1-15 21643 Riverside Lake Skinner area, along old Rawson Rd. just north of Crown Valley, above Diamond Valley at waterline of proposed reservoir 518 Comment
  UCR133411  Phacelia minor Jeffrey Ross, T. B. Salvato 1998-6-9 MOR- 320 A Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Lion Canyon, c. 3.5 miles NNW of Cabazon 854 Comment
  UCR155050  Phacelia minor Jason L. Hlebakos 2005-5-30 824 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
  UCSB9694  Phacelia minor Leeuwen, Henry 1957-4-13 Riverside Whitewater Canyon 2 miles from U.S. 60 Comment
  JEPS1166  Phacelia mutabilis W. L. Jepson 1903-8-8 2309 Riverside Tauquitz Valley San Jacinto Mts. 2438 Comment
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Jul 6 2010
  UCR50291  Phacelia parryi B. G. Pitzer, H. P. Hall, J. L. Hall 1987-5-23 0564 Riverside San Bernardino Mtns., Whitewater Canyon, from N edge of Fish Hatchery to c. 0.5 mi north of it; c. 5.5 mi north of I-10 on Whitewater Cyn Rd. 732 Comment
  RSA443395  Phalaris aquatica J. C. Roos 1962-6-30 s.n. Riverside Head of Tin Mine Canyon Comment
  UCR260311  Phalaris minor A. C. Sanders, Jim Malusa 2015-3-10 41380 Riverside Sonoran (Colorado) Desert, north end of Chocolate Mountains, eastern canyon at Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range 611 Comment
  SEINET10780805  Pholisma arenarium George Yatskievych, Michael D. Windham; Fay, Wei Li 2011-5-10 Yatskievych 11 -13 Riverside Ca. 6 mi NW of junction with State Highway 371 (in Anza) along Bautista Road, San Bernadino National Forest; sandy bench in drainage of Bautista Creek. 1100 Comment
  UCD102027  Phoradendron bolleanum Steve Boyd 1985-12-14 1193 Riverside Gavilan Hills, Harford Springs County Park. Comment
  LA209842  Phoradendron californicum N. Dunn; A. M. Martin 1932-3-26 sn Riverside Shavers' Well Comment
  RSA0125369  Phoradendron californicum Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8764 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting near the Martinez Slide, approximately 4 air miles northeast of the summit of Martinez Mountain. 264 Comment
  RSA420779  Phoradendron californicum Ora M. Clark 1929-2-23 1542 Riverside W. Whitewater. Comment
  SEINET3835376 Image available Phoradendron californicum Lewis S. Rose 1938-12-17 s.n. Riverside Palm Springs, Palm Springs. Comment
  UCSB1314  Phoradendron californicum Graney, Don 1953-3-22 Riverside Morango Canyon, Colorado Desert Comment
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May 15 2016
  UC66695  Phoradendron villosum N. K. Berg 1904-3-4 Riverside San Jacinto <R. C.> Comment
  RSA594133  Phyla nodiflora var. nodiflora D. L. Banks, Victor W. Steinmann 1996-4-20 899 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. 524 Comment
  UCD170895  Phyllanthus O. F. Clarke 2007-10-15 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus. 351 Comment
  RSA79897  Physalis crassifolia F. W. Peirson 1922-4-8 1088 Riverside between Whitewater and Palm Springs. Comment
  UCR117686  Physalis crassifolia V. W. Steinmann 1999-10-26 1414 Riverside Sonoran (Colorado) Desert, foothills of the Chuckwalla Mtns, open desert c. 2 km south of Desert Center. 325 Comment
  UCSB22460  Physalis crassifolia Anthony, Jean 1965-2-28 Riverside 1 mile west of Jefferson Street on Avenue 58 southwest of Coachella Comment
  RSA206502  Pilularia americana E. W. Lathrop 1969-5-12 7034 Riverside 6 mi W of Murrieta, Mesa de Colorado of the Santa Rosa Plateau 625 Comment
  UCR60764  Pilularia americana R. F. Thorne 1973-5-23 43854 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  POM12749  Pinus contorta var. murrayana Philip A. Munz 1922-7-6 6038 Riverside San Jacinto Peak. Near summit. 3277 Comment
  CLARK-A1528-3547  Pinus coulteri John C. Roos 1948-6-19 3884 Riverside San Jacinto Mountains 1981 Comment
  UC1200607  Pinus flexilis Peter Kamb 1944-5-29 11 Riverside Mt. San Jacinto San Jacinto Mountains 3048 Comment
  UC1612275  Pinus lambertiana H. M. Hall 2319 Riverside Tauquitz Peak San Jacinto Mts., Tauquitz Peak Comment
  UC64557  Pinus lambertiana H. M. Hall 1901-6-1 2319 Riverside near Tauquitz; San Jacinto Mountains 2682 Comment
  JEPS47943  Pinus monophylla W. L. Jepson and H. M. Hall 1901-5-22 1373 Riverside Palm Canon and return to Van Deventer Comment
  RSA660230  Pinus monophylla Michelle Cleveland 1981-2-14 10 Riverside Turn left at sign for Bighorn overlook, 13 miles from junction of Hwys [1]11&74. 1200 Comment
  JEPS46873  Pinus ponderosa W. L. Jepson and Hall 1901-1 Riverside Santa Rosa Indian Reservation Comment
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Apr 2 2014
  UCR182103  Pistacia atlantica Tom Chester 2006-3-9 869 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau Ecological Reserve: Los Santos Trail, next to tributary to Cole Creek, 0.25 miles (0.4 km) sw of peak 2064 next to Tenaja Truck Trail 591.5 Comment
  RSA180513  Plagiobothrys acanthocarpus E. W. Lathrop 1960-3-25 4687 Riverside 14 miles west of Murrieta. Comment
  SBBG120130  Plagiobothrys acanthocarpus A. C. Sanders with K. Volansky 2005-3-17 29201 Riverside French Valley, SE of Winchester Rd (Hwy 79) between Thompson Rd and Benton Rd, ca. 0.5 mi NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  UCR171721  Plagiobothrys canescens 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
  UCR230198  Plagiobothrys canescens A. C. Sanders, T. B. Salvato 2011-4-29 39361 Riverside Peninsular Range; Perris-Aguanga Basin Region, Romoland, McLaughlin Rd. east of Palomar Rd., near powerplant and railroad 445 Comment
  UC1563092  Plagiobothrys collinus Steve Boyd 1986-3-1 1370 Riverside Gavilan Plateau, Gavilan Hills: 1/4 mile south of Harford Springs County Park. 640 Comment
  UCR152648  Plagiobothrys collinus A. C. Sanders 2005-4-22 29599 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR114929  Plagiobothrys collinus var. californicus Julie A. Greene 1993-4-30 1278 A Riverside San Jacinto Valley, San Jacinto Wildlife Area. south of visitor center road and north of the old San Jacinto River drainage 433 Comment
  UCR4201  Plagiobothrys collinus var. californicus K. S. Gill 1965-3-14 s.n. Riverside 1 mile north of corner of Wood and Roberts roads in Woodcrest 549 Comment
  UCR246592  Plagiobothrys collinus var. fulvescens A. C. Sanders 2012-3-22 39988 Riverside Peninsular Range; Temescal Valley, foot of Santa Ana Mtns., 0.7 km SE of Corona (Lee) Lake along I-15 Frontage Rd. (De Palma Rd.) just east of Horse Thief Wash Comment
  RSA80199  Plagiobothrys collinus var. ursinus F. W. Peirson 1922-5-19 3041 Riverside Hemet Valley, San Jacinto Mountains. 1341 Comment
  RSA593906  Plagiobothrys leptocladus Steve Boyd, Dave Bramlet 1996-4-19 8602 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  UCR166808  Plagiobothrys leptocladus R. E. Riefner Jr. 2005-4-22 05- 241 Riverside Patton Rd. at Patterson Ave., SE of Winchester near San Diego Aqueduct 452 Comment
  UCR67342  Plagiobothrys leptocladus A. C. Sanders 1991-4-19 10927 Riverside Edgemont area, east of Sycamore Canyon. 0.8 mile west of Hwy I-215, on Eastridge Dr. (=Eucalyptus), just west of Pepsi Plant 466 Comment
  JEPS68135  Plagiobothrys tenellus W. L. Jepson 1901-5-19 1308 Riverside Strawberry Valley Mt. San Jacinto 1676 Comment
  UCR121181  Plagiobothrys tenellus D. E. Bramlet 1990-4-27 1985 Riverside Rawson Canyon, 2,500 ft. (0.47 mi.) SW of Crown Valley and 500 ft. (~0.1 mi.) west of access road 640 Comment
  UC888364  Plantago erecta C. B. Clokey, I. W. Clokey, and B. C. Templeton 1930-4-15 4628 A Riverside Gavilan Peak 600 Comment
  UCR158253  Plantago erecta A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30103 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
  UCR97245  Plantago erecta Scott D. White 1997-2-28 4706 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  SEINET9171798  Plantago ovata G. C. Wheeler, J. Wheeler 1969-4-19 s.n. Riverside Deep Canyon Desert Research Area. Comment
  RSA401953B  Plantago ovata var. fastigiata P. J. Remple 1942-3-1 s.n. Riverside Between Indio and Palm Springs. Comment
  RSA4937  Plantago ovata var. fastigiata Carl B. Wolf 1932-4-27 3060 Riverside North base of Chuckwalla Mountains, 5 miles East of Desert Center, Colorado Desert. 152 Comment
  RSA659485  Plantago ovata var. fastigiata J. C. Roos 1966-3-20 s.n. Riverside 2 miles SE of Desert Center. Comment
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Dec 17 2011
  SBBG7270  Plantago ovata var. fastigiata H. and M. Dearing 1937-4-10 2896 Riverside 1000 Palms Cyn Comment
  RSA757782  Plantago patagonica LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4305 Riverside 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
  RSA769775  Plantago patagonica Duncan S. Bell, Joy D. England 2010-5-17 1008 Riverside San Bernardino National Forest: Rouse Ridge, approximately 3 air miles southeast of junction of Highway 74 and forest service road 5S15. 1045 Comment
  RSA725853  Platanus racemosa R. E. Riefner 2006-9-19 6 -445 Riverside Temecula Valley, c. 0.2 mi. west of I-15 Freeway along Temecula Creek, head of Santa Margarita River. 301 Comment
  HSC85459  Platystemon californicus Steve Boyd 1986-4-2 1606 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  UC2029972  Platystemon californicus S. D. White, Bill La Haye 2000-5-27 7946 Riverside SAN JACINTO MOUNTAINS: Baldy Mtn. area. 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
  OBI38342  Pleurocoronis pluriseta A. C. Sanders, B. Pitzer, & D. Charlton 1986-3-3 6139 Riverside North foot of the Chuckwalla Mtns. 2-3/4 mi (airline) SE of Desert Center 366 Comment
  UC166734  Pleurocoronis pluriseta S. B. Parish 1907-4-17 6083 Riverside Palm Springs, Colorado Desert Comment
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Oct 18 2016
  RSA651713  Pluchea sericea Viki Cruz 1983-5-8 007 *k Riverside Collected in a shallow stream three-quarter mile into Magnesia Canyon, Santa Rosa Mts. 441 Comment
  RSA772056  Pluchea sericea Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4621 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA786234  Pluchea sericea C. P. Cowan 1978-4-24 1246 Riverside 2.5 mi (4 km) from Ave 84, jct of Johnson Road and Ave. 81, near Hwy 86. Whittaker transect #W-223. Comment
  RSA561809  Poa secunda Steve Boyd 1992-4-14 6835 Riverside San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail 341 Comment
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Jun 7 2009
  UCR95715  Poa secunda subsp. juncifolia D. L. Banks, Dylan Hannon 1996-5-3 971 Riverside NW Palomar Mtns, Agua Tibia Mtns; Foothills south of Hwy 79; east of the Dripping Spring Campground; c. 150 m SE of the Helopad at the upper camp sites. 524 Comment
  SD215355  Poa secunda subsp. secunda Steve Boyd, Tim Ross, Laurel Arnseth et al 1990-4-2 4023 Riverside Vail Lake area, lower slopes of Agua Tibia Mountain, along Highway 79 East of USFW Dripping Springs Guard Station 487 Comment
  UC39729  Poa secunda subsp. secunda H. M. Hall 1899-5-21 1130 Riverside Chalk Hill; San Jacinto Mts 1676 Comment
  RSA0105849  Polycarpon tetraphyllum Alan Romspert 2000-7-26 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  JOTR37490  Polygala acanthoclada Hodges, Stephen R. 2016-5-1 619 Riverside Joshua Tree National Park. Cottonwood Mountains, to the north east of the Cottonwood visitor center Comment
  UCR156294  Polygonum T. B. Salvato, Kent Beaman 2005-5-16 828 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
  UCR16524  Polygonum argyrocoleon John Dean 1965-4-15 s.n. Riverside Sonoran (Colorado) Desert, 0.5 miles south of McCoy Wash mouth 91 Comment
  UC582893  Polygonum lapathifolium Philip A. Munz 1935-10-21 14653 Riverside below Rincon; Santa Ana River Comment
  UCD91318  Polypogon monspeliensis John Green 2005-5-4 s.n. Riverside Perris-Aguanga Region: SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base. 533 Comment
  RSA129716  Polypogon viridis H. S. Yates 1937-6-27 6705 Riverside Near Relief Hot Spring. 457 Comment
  RSA674523  Polystichum imbricans subsp. curtum Scott D. White 2000-11-15 8145 Riverside Idyllwild area, 'Strawberry Fuelbreak' between 'Inspiration Pt.' and Strawberry Ck. 1402 Comment
  RSA783274  Polystichum imbricans subsp. curtum J. D. Olmsted 1959-7-3 734 Riverside Strawberry Cr. below dropoff below Isomata belowIdyllwild. Alt: 4700 ft. 1433 Comment
  CAS-BOT-BC102595  Populus fremontii Herman Knoche 1919-6-2 Series A, No. 644 Riverside Palm Springs Comment
  RSA775493  Populus fremontii subsp. fremontii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4416 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
  CLARK-A1528-2063  Porophyllum gracile John C. Roos 1946-11-30 3169 Riverside Chuckwalla Mountains Comment
  RSA774297  Porophyllum gracile Duncan S. Bell 2011-4-7 2185 Riverside The east side of the Arica mountains; approximately 1.2 air miles north of Priests Well. or approximately 4.5 air miles southwest of the ghost town of Rice. 308 Comment
  RSA783821  Porophyllum gracile J. D. Olmsted 1959-4-17 396 Riverside 1/4 miles above Fire Gate along Skyline Drive, 5 miles SW of Corona. Santa Ana Mtns to Santa Ana River. 457 Comment
  UC1511365  Porophyllum gracile James Eckenwalder 1976-10-25 1282 Riverside near Cottonwood Springs; Joshua Tree National Monument Comment
  UCR174335  Porophyllum gracile A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32644 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  POM12677  Potamogeton diversifolius Philip A. Munz 1922-9-6 6380 Riverside Hidden Lake 2439 Comment
  UCR201425  Potentilla glandulosa subsp. reflexa Scott D. White, Justin M. Wood 2008-6-17 12156 Riverside San Jacinto Mountains, south of Hwy 79 near Keen Camp Summit 1463 Comment
  RSA499227  Potentilla gracilis var. fastigiata E. C. Jaeger 1921-7-6 s.n. Riverside Upper Stone Creek above Banning Road. 1616 Comment
  SJSU5255  Prenanthella exigua R. C. McGehee 1970-4-15 205 Riverside Wileys Well, 26 mi SW of Blythe Comment
  RSA0014806  Proboscidea louisianica Steve Boyd, Rita Gentry 1991-5-30 6317 Riverside Murrieta, Gentry Experimental Farm on Los Alamos Rd. 427 Comment
  UCR109534  Prosopis glandulosa R. D. Goeden, Don W. Ricker 1971-4-1 s.n. Riverside Sonoran Desert, Chuckwalla Mountains at Granite Well, SW of Desert Center, 0.4 mi. past sign saying 'Edmund C. Jaeger Nature Sanctuary' in bottom of canyon at old road crossing 366 Comment
  SEINET11132263 Image available Prosopis glandulosa G. B. Grant 1906-5-1 1043 -6721 Riverside Colorado desert at Palm Springs, southern California Comment
  CAS-BOT-BC216521  Prosopis pubescens Munz; et al 1919-3-26 2343 Riverside Near Salton Sea Comment
  RSA86976  Prosopis pubescens F. W. Peirson 1920-12-29 2338 Riverside Andreas Canyon near Palm Springs 244 Comment
  UC668374  Prunus fasciculata Annie M. Alexander and Louise Kellogg 1941-4-24 2075 Riverside Morongo Valley, Dry Morongo Creek Dry Morongo Creek; Morongo Valley, Dry Morongo Creek 640 Comment
  JEPS89201  Prunus fremontii Rimo Bacigalupi and L. Heckard, P. C. Hutchison 1962-3-23 8366 Riverside 1.5 mi above and s of Seven Level Hill (at base of Black Hill, along state hwy 74, 11.5 mi above and s of beginning of hwy 74 at Palm Desert); Black Hill 911 Comment
  UC218052  Prunus fremontii A. F. Gilman 1922-3-18 Riverside near Palm Springs (Andreas Canyon); Andreas Canyon Comment
  RSA472320  Psathyrotes ramosissima J. W. Jamie 1906-4-1 1456 Riverside Mecca Comment
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Nov 30 2009
  SEINET2054371 Image available Psathyrotes ramosissima Joe Barrington 1968-5-11 68051114 Riverside Outside Palm Desert on Hway 74 at the edge of the valley floor, entering the mts. to Santa Rosa Mt., 100 yards from road. 609 Comment
  RSA559456  Pseudognaphalium biolettii Steve Boyd 1992-5-4 7211 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  UCR268284  Pseudognaphalium californicum Jim Andre 2012-6-15 30510 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243 at Mount Edna Road, c. 1 mile north of McMullen Flat, 5.9 miles south of Hwy I-10 at Banning 1172 Comment
  SEINET10669298  Pseudognaphalium canescens subsp. microcephalum Nye Leith, Greg Gust 2005-3-11 Nye 69 Riverside BM 2228 ca. 4 miles W of Murrieta. 453 Comment
  RSA783244  Pseudotsuga macrocarpa J. D. Olmsted 1962-5-3 3472 Riverside East slope of Baldy Mt., along pines to Palms Hwy., 1.5 mi S of 4936' summit south of Mt. Center 1505 Comment
  RSA192184  Psilocarphus brevissimus E. W. Lathrop 1966-5-1 6244 Riverside 2 miles west of Murrieta Comment
  JOTR32960  Psilostrophe cooperi La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2711 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  RSA0098338  Psorothamnus arborescens var. arborescens Marc A. Baker 2015-4-14 18323 Riverside San Gorgonio Pass, 5.5 km east of the San Gorgonio River, 26 km WNW of Palm Springs, 2.2 km NE of Cabazon. 582 Comment
  CAS-BOT-BC353635  Psorothamnus emoryi J. Beley 1975-4-24 1531 Riverside 10 miles north of Palm Springs along paved T/L access Comment
  UCR89567  Psorothamnus emoryi George K. Helmkamp 1994-3-8 41- 15 Riverside Western Colorado Desert, Indio Hills, junction of Palm Dr. & Varner Rd, below Edom Hill 200 Comment
  CAS-BOT-BC352323  Psorothamnus fremontii var. fremontii Raymond Lindholm 1961-4-17 s.n. Riverside White Water Canyon Comment
  UCR281909  Psorothamnus polydenius A. C. Sanders, Jim Malusa 2017-9-21 43360 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains Aerial Gunnery Range, south of Bradshaw Trail at large wash crossing 689 Comment
  OBI32603  Psorothamnus schottii A. C. Sanders 1983-4-24 3800 Riverside NW end of the Orocopia Mts along hwy 195 +- 3 mi NE of Shavers Well and 2.7 mi NE of the point where the road enters the Box Cyn 366 Comment
  RSA98806  Psorothamnus schottii Philip A. Munz 1926-1-31 9946 Riverside Dos Palmos [Palmas] Spring. Comment
  UC1329933  Psorothamnus schottii James E. Cole 1941-4-16 602 Riverside Southern edge of Riverside County Comment
  UCR89647  Psorothamnus schottii Bern Schwenn 1994-4-29 s.n. Riverside southern Mojave Desert, Joshua Tree National Monument, E side of Hexie Mtns., along Ruby Lee Well Road. 823 Comment
  UC1129843  Psorothamnus spinosus H. S. Yates 1936-4-7 5432 Riverside Thousand Palms Thermal Quad., Thousand Palms Comment
  RSA523518  Pteridium aquilinum var. pubescens Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3977 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR162402  Pterostegia drymarioides 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
  SD262213  Pulicaria paludosa Mitch Provance 2012-8-1 812 4 Riverside Colorado Desert: Thousand Palms Canyon Road, A+- 2/3 of the way up into the canyon. (Myoma 7.5'Q) 139 Comment
  RSA0081607  Pyrola aphylla P. A. Munz, I. M. Johnston 1924-7-27 8725 Riverside Dark Canyon, San Jacinto Mts. 1982 Comment
  UCD170868  Quercus Jeremiah George 2012-8-13 s.n. Riverside San Gorgonio Pass/Moreno Badlands, west of Beaumont, just east of junction of 60 Fwy and Jackrabbit Trail, off frontage road dead end. 716 Comment
  UCD170873  Quercus Jeremiah George 2012-8-13 s.n. Riverside San Gorgonio Pass/Moreno Badlands, west of Beaumont, just east of junction of 60 Fwy and Jackrabbit Trail, off frontage road dead end. 716 Comment
  UCR273975  Quercus Mitch Provance 2012-8-4 412- 28 Riverside Western Riverside County, Badlands south of Beaumont, Potrero Creek, E side of Highland Springs Ave., between Breckenridge and the entrance to Potrero 752 Comment
  UCSB41270  Quercus X acutidens Cowan, Clark 1978-4-25 Riverside 6.7 mi (10.7 km) SW on 74 from jct w/ 71, 4.6 mi (7.3 km) from Lake Elsinore, Sta. Ana Mts. Cleveland Nat. Forest; Whittaker transect #W-229 Comment
  CAS-BOT-BC61818  Quercus agrifolia Peter Raven 1958-5-18 12982 Riverside 3.0 miles east of junction to Aguanga, San Jacinto Mountains Comment
  RSA588676  Quercus agrifolia var. agrifolia D. L. Banks, Steve D. Boyd 1995-10-26 833 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Woodchuck Trail, S of the first grassland. Approximately 0.7 miles from the Wilderness boundary. 713 Comment
  RSA640178  Quercus agrifolia var. agrifolia Louis C. Wheeler 1964-11-28 8649 Riverside Temescal Valley: Wright Ranch. Comment
  UCD58715  Quercus agrifolia var. oxyadenia R. E. Riefner Jr. 2005-8-7 05- 580 Riverside San Bernardino National Forest: San Jacinto Mountains: 2.3 mi. W of Santa Rosa Mountain Rd. on SR 74 at Vandeventer Flat. 1430 Comment
  SD244164  Quercus berberidifolia A. C. Sanders, Timothy W. Chumley 2013-4-5 40776 Riverside Peninsular Range: Temescal Canyon, east of Glen Ivy near where Temescal Canyon Road passes under I-15 (Lake Mathews 7.5'Q) 317 Comment
  UC5828  Quercus berberidifolia H. M. Hall 1901-8-5 2644 Riverside Canyon of the San Jacinto River San Jacinto Mountains 1066 Comment
  UCR108845  Quercus berberidifolia Heidi A. Haid 1969-8-20 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  RSA155  Quercus chrysolepis J. T. Howell 1927-8-2 575 Riverside Road to Hemet, Mt. San Jacinto. 1372 Comment
  UCD105638  Quercus chrysolepis K. M. Meyer; A. Townesmith, T. Scott 2007-3-15 131 Riverside San Bernardino National Forest. 14.5 mi. S on Rt. 243 from US 10, at pulloff next to Soboba Penny Pine Plantation. 1602 Comment
  UCR123795  Quercus chrysolepis var. nana Steven R. Hill, K. Kramer and family 2001-4-26 33471 Riverside San Jacinto Mtns., San Jacinto Wilderness west of Palm Springs, trails south of visitor building at terminus of Palm Springs Aerial Tramway; vicinity of Long Meadow and higher ridges 2591 Comment
  JEPS37321  Quercus cornelius-mulleri W. L. Jepson 1914-5-18 6001 Riverside n of Indio (canyon at Pinyon Well); Mohave Desert, Pinyon Well Comment
  CHSC59979  Quercus dumosa John La Salle 1982-5-4 82- 5 -4-4 Riverside 2.4 miles west of Radec across the highway from Vail Lake turnoff from Highway 79. Comment
  CAS-BOT-BC94188  Quercus engelmannii B. Pitzer 1988-6-10 1053 Riverside Rancho California area, Carrancho Road near intersection with El Prado Road. Ca. 1/2-1 mi SE of De Luz Road Comment
  RSA228817  Quercus engelmannii Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 607 Riverside Santa Rosa Plateau, ca. 5 miles south west of Murrieta near Forest Route 7S01. 488 Comment
  UCR281000  Quercus engelmannii Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-1 617- 01 Riverside Temescal Valley, Along the south side I-15, transmission right-of-way, 0.3 mi SE of Horsethief Canyon Rd. 384 Comment
  JOTR36185  Quercus john-tuckeri La Doux, Tasha, B. Truesdell, M. Wheeler 2013-10-31 3334 Riverside Joshua Tree National Park. Queen Mountain; near Split Rock, approx 0.5 km SE of Elton Mine 1330 Comment
  POM310603  Quercus john-tuckeri Marcus E. Jones 1956-04 s.n. Riverside Joshua tree on road to Juniper Flats. 1463 Comment
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Mar 14 2014
  CAS-BOT-BC105326  Quercus kelloggii Peter H. Raven; R. Snow 1957-7-26 11095 Riverside Banning - Idyllwild road, 0.9 mi N of Vista Grande Ranger Sation, San Jacinto Mts. Comment
  UCR165612  Quercus kelloggii T. B. Salvato, John F. Green 2004-5-27 709 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
  CAS-BOT-BC6365  Quercus macdonaldii var. elegantula E. L. Greene Mar. 27 s.n. Riverside Temecula Canyon Comment
  RSA520082  Quercus wislizeni var. frutescens Steve Boyd, D. Bramlet 1988-10-8 2868 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. 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
  RSA717621  Rafinesquia neomexicana Scott D. White, Andrea Warniment Edwards 2006-3-29 11274 Riverside Eastern Coachella Valley a few mi E of Indio. Proposed I-10 Freeway / McMaughton Parkway Interchage, N of I-10 Freeway. 91 Comment
  UCD135363  Rafinesquia neomexicana R. L. Smith 1948-3-25 s.n. Riverside Cabazon. Comment
  RSA249860  Ranunculus aquatilis var. capillaceus Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38143 Riverside San Jacinto Mountains: San Bernardino National Forest. Hill north of James Reserve and Lake Fulmor 1677 Comment
  UC219270  Ranunculus aquatilis var. capillaceus P. A. Munz and I. M. Johnston 1922-5-21 5522 Riverside Garner Ranch San Jacinto Mts., Hemet Valley 1371 Comment
  UCR174535  Ranunculus muricatus Jennifer H. Jones 2006-5-1 290 Riverside Foot of Box Springs Mtns. east of University of California Riverside Campus; University Village Apartments SW corner of Big Springs Rd. and Watkins Dr. 335 Comment
  UCR202030  Raphanus sativus Denise Woodard, G. Nuhn 1995-8-21 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, 300 acre parcel at west end of Domenigoni Valley, c. 3 miles south of Winchester on the west side of Winchester Rd. 470 Comment
  CAS-BOT-BC56050  Rhamnus ilicifolia I. M. Johnston 1930-6-15 3790 Riverside Lost Palms Canyon, above Anschutz Well, Eagle Mts. Comment
  CAS-BOT-BC56052  Rhamnus ilicifolia Vernon Bailey 1907-7-26 1194 Riverside Temescal Comment
  RSA503418  Rhamnus ilicifolia J. D. Olmsted 1962-5-10 3627 Riverside Coldwater Canyon, Corona city water supply. 396 Comment
  RSA796514  Rhamnus ilicifolia Robert F. Thorne, E. W. Lathrop 1977-5-18 49724 Riverside Santa Ana Mountains: Bear Spring [east slope of Santiago Peak] Comment
  RSA496734  Rhamnus ilicifolia B. Pitzer, A. C. Sanders 1987-4-21 494 Riverside Box Springs Mtns, near southernmost radio towers 793 Comment
  HSC101786  Rhus aromatica J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13199 Riverside 1470 Comment
  RSA346257  Rhus ovata R. F. Thorne, W. A. Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54059 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
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Apr 30 2011
  RSA772142  Rhus ovata Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4972 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  SBBG133570  Rhus ovata S. D. White, A. Carey, L. Archa 2004-8-5 10684 Riverside San Jacinto Mtn foothills, Soboba Indian Reservation, Indian Creek from confluence w/ San Jacinto River to +/- 2 mi upstream. 534 Comment
  POM12861  Ribes cereum P. A. Munz 1922-6-28 5878 Riverside Ridge west of Toro Peak. 2409 Comment
  SDSU5892  Ribes cereum Charles F. Phleger 1962-5-13 Riverside Collected on road leading up to Black Mountain in the San Jacinto Mountains. Comment
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Feb 28 2013
  UCR3196  Ribes indecorum Chuck Elliott 1964-3-3 s.n. Riverside Peninsular Range, [Two Trees Canyon, Box Springs Mtns.] 0.25 mi past Two Trees Road and Belvedere 366 Comment
  LA205474  Ribes malvaceum var. viridifolium W. E. Pequegnat; 1939-4-8 30 Riverside Santa Rosa Mountains Comment
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Mar 12 2014
  RSA221080  Ribes malvaceum var. viridifolium E. W. Lathrop 1966-5-8 6424 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  UCSB46695  Ribes nevadense Leen, Rosemary 1977-5-29 Riverside San Jacinto Mts; Bay Tree Spring 1676 Comment
  UC1127498  Ribes quercetorum R. St. John 1931-1 209 Riverside Comment
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Jun 15 2012
  UC1929908  Ricinus communis Scott D. White, Angelia Carey 2004-7-2 10596 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. San Jacinto 7.5' Quad. Comment
  HSC73100  Romneya coulteri Robert A. Schlising 1973-6-25 3105 Riverside SW of Corona, deadend road 2.1 mi. SW of junction with Hwy. 71 Comment
  UCR59924  Romneya coulteri Ed LaRue 1989-4-26 s.n. Riverside Lake Elsinore, 2 mi. (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons 488 Comment
  UCR59511  Rorippa nasturtium-aquaticum Steve Boyd 1989-4-7 3563 Riverside Peninsular Range, Vail Lake area; along Arroyo Seco drainage from jct with Kolb Creek, S to within 0.25 mi of Hwy 79. 457 Comment
  UC219558  Rubus parviflorus P. A. Munz 1922-7-6 6028 Riverside North Fork of Tahquitz Creek San Jacinto Mts., North Fork Tahquitz Creek 2225 Comment
  UCR23506  Rubus parviflorus John C. Roos 1942-6-20 991 Riverside San Jacinto Mtns., Dark Canyon, N Fork San Jacinto River Comment
  UCR167827  Rumex crispus T. B. Salvato, Melissa Clemons 2005-6-23 1309 Riverside Peninsular Range; Temescal Valley, Walker Canyon, 1.5 mi due east of Alberhill, N of Hwy I-15 412 Comment
  RSA466099  Rumex hymenosepalus N. C. Cooper 1944-3-24 1011 Riverside Banning. 701 Comment
  SEINET3245820  Rumex hymenosepalus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-1 37695 Riverside Peninsular Range; foothills of Gavilan Hills: Temescal Canyon at Alberhill, c. 1.2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 363 Comment
  UCR89644  Rumex obtusifolius 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
  UCSB1613  Rumex salicifolius Haller, John 1950-5-21 Riverside San Jacinto Mtns., near north shore of Hemet Lake 1463 Comment
  RSA297046  Rumex salicifolius var. denticulatus John F. Emmel 1974-9-7 531 Riverside Flats along Strawberry Creek, WSW of Idyllwild, San Jacinto Mountains. 1555 Comment
  CLARK-A1528-5728  Ruta graveolens John C. Roos 1948-2-21 3771 Riverside Reche Canyon 457 Comment
  UC2015597  Sagina apetala A. C. Sanders and G. Helmkamp 1996-3-17 17980 Riverside Coachella Valley: Palm Springs, weeds in landscaping of shopping center at SE corner of Raquet Club Dr. and Palm Canyon Dr. Comment
  RSA586307  Sagina decumbens D. L. Banks, Steve Boyd 1995-5-3 0218 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  HSC27202  Salazaria mexicana J. P. Smith, J. O. Sawyer 1973-6-10 6889 Riverside Joshua Tree National Monument. Comment
  RSA777330  Salazaria mexicana Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 827 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' Old mine access road 534 Comment
  UC1281086  Salazaria mexicana H. E. McMinn 1935-6-27 4060 Riverside Palms to Pines Highway Comment
  UC498790  Salix exigua Mrs. H. P. Bracelin 1932-4-12 601 Riverside 4.8 km. n of Arlington (on rd. to Pedley, w of Riverside, e side of bridge over Santa Ana R., base of embankment either side of hwy.) 240 Comment
  UCR90311  Salix exigua F. M. Reed 1925-3-17 4952 Riverside Sonoran (Colorado) Desert, Tahquitz [Creek] Canyon, Palm Springs region 274 Comment
  LA208613  Salix exigua var. exigua Marcus E. Jones; 1930-3-15 26531 Riverside Eagle Mountains Comment
  RSA0030853  Salix gooddingii Ivan M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. 457 Comment
  RSA701561  Salix laevigata Steve D. Boyd, Aydee Virgen 2004-4-13 10847 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UCD111123  Salix laevigata C. L. Hitchcock 1966-3-15 24153 Riverside 1 mi. e. of Glen Ivy Hot Springs. Comment
  UC914201  Salix lasiolepis Charles B. Fiker May 30 1936-Apr 2 1946 3355 Riverside on Hwy. 395 s. of Temecula bridge Comment
  UCR201490  Salix lasiolepis Scott D. White, Justin M. Wood 2008-5-15 11963 Riverside San Jacinto Mountains, Garner Valley, northwest of Fobes Ranch Road and northeast of Hwy 74, valley bottom 1357 Comment
  UCR13438  Salix lucida subsp. lasiandra Mike McCloskey 1973-5-10 s.n. Riverside Riverside, Santa Ana River bed a few hundred yards east of Union Pacific RR crossing 229 Comment
  RSA125531  Salix scouleriana R. Weatherby 1949-6-6 647 Riverside Dark Canyon. San Jacinto Mtns. 1829 Comment
  CDA21320  Salsola australis B. Villegas 2002-8-19 239 -3 Riverside South Coast Region; Temecula, Vaquero Dr. at Gallespy Ct. 335 Comment
  UCR214712  Salsola paulsenii A. C. Sanders, Richard Dwerlkotte 2010-3-22 37522 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 1.5 mi. SE of Sidewinder Well, south end of Palen Dry Lake, SW of Palen Mtns. 130 Comment
  RSA444943  Salsola tragus N. C. Cooper 1943-10-9 945 Riverside Hemet. 305 Comment
  SEINET6655643  Salsola tragus R. E. Riefner Jr. 2006-11-14 06 -675 Riverside City of Riverside, Main St at Russell St.; 0 259 Comment
  RSA71813  Saltugilia australis F. W. Peirson 1920-2-16 2296 Riverside Andreas Canyon, San Jacinto Mts. 274 Comment
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Oct 2 2011
  UC416726  Salvia Fred M. Reed 1908-3-8 2250 Riverside vicinity Riverside (Box Springs Mt.); , Box Springs Mt. Comment
  RSA0123087  Salvia apiana Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8971 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
  UCLA55212  Salvia apiana C. Epling and Mrs. Epling 1937-6-6 B Riverside 0.6 mi below Palms to Pines Hwy. (Palmes-Pines Hwy) Comment
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Dec 18 2011
  UCR228392  Salvia carduacea Thomas R. Stoughton, J. McConnaughy, A. Monks. M. Volke 2010-3-31 115 Riverside Transverse Ranges; San Bernardino Mountains, Pacific Crest Trail. W of Whitewater 869 Comment
  SDSU12260  Salvia columbariae Jeremy Mass, Ryan Jacobsen 2000-4-19 5 b Riverside Stone Creek streambed adjacent to Southside Field Station, Santa Margarita Ecological Reserve (SDSU). Growing near edge of road on east side. 222 Comment
  UC1979870  Salvia columbariae Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 768 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Mecca Hills, Shaver's Well Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail. Comment
  UCLA49887  Salvia greatae Edmund C. Jaeger 1926-2-28 Riverside 18 mi se Mecca; Salt Creek Wash Comment
  JOTR16870  Salvia leucophylla Vanderspek & Nolte 1964-4-17 s.n. Riverside Joshua Tree National Park. Comment
  RSA651275  Salvia mellifera A. Mayor, T. Strid 1973-4-20 s.n. Riverside Railroad Canyon Road. [West of Sun City] Comment
  SD232707  Salvia mellifera Scott D. White 1995-4-5 2708 Riverside Western Riverside: Badlands: Base of Badlands slopes, off Redlands Bl. USGS Sunnymead 7I(c) quad. 640 Comment
  UCR107389  Salvia mellifera B. G. Pitzer 1997-3-23 2970 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
  RSA718575  Salvia vaseyi Michael Honer, L. Hulse 2004-4-3 1894 Riverside Nameless canyon appx. 1 mi. W of Pushawalla Cyn., leading up to MWD aqueduct. 488 Comment
  JEPS57289  Sambucus mexicana L. R. Heckard and R. C. Bacigalupi 1968-5-5 1805 Riverside 2.6 mi n Radec 548 Comment
  CAS-BOT-BC238854  Sambucus nigra subsp. caerulea Wayne Law; Jun Hu 2000-5-16 21 Riverside Peninsular Ranges; Santa Ana Mtns.: Eastern edge of Cleveland National Forest, above Temescal Valley in Indian Canyon, 11.8 mi S of Corona 396 Comment
  SEINET8565408  Samolus parviflorus H. M. Hall 1904-5-24 4955 Riverside Vicinity of Riverside, Spring Brook. 229 Comment
  UC219265  Sanicula bipinnatifida P. A. Munz and I. M. Johnston 1922-5-19 5373 Riverside Menifee Valley 411 Comment
  UCR144752  Sanicula bipinnatifida Scott D. White, Michael Honer 2003-4-2 8914 Riverside Peninsular Range, Temescal Canyon, just west of I-15 Freeway and northeast of Lawson Dr. 366 Comment
  UCR212674  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
  UC1563043  Sanicula crassicaulis Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-31 3074 Riverside 0.25 mi e of Pauba Road (s of Highway 79, Vail Lake Area); Vail Lake Area 426 Comment
  UCR59763  Sanicula crassicaulis Steve Boyd, T. Ross, et al 1989-3-31 3074 Riverside Peninsular Range, Vail Lake area, south of Hwy 79, 0.25 mi east of Pauba Road 457 Comment
  CLARK-A1528-1454  Sanicula tuberosa John C. Roos 1954-4-17 6068 Riverside Reche Canyon 670 Comment
  POM306143  Sarcodes sanguinea Henry J. Ramsey, Henry J. Ramsey 1937-5-30 1334 Riverside Santa Rosa Mountains. Comment
  UCR129891  Sarcodes sanguinea N. C. Cooper 1944-6-17 1404 Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1829 Comment
  UCR194215  Sarcostemma cynanchoides Scott D. White, Angelia Carey 2004-6-4 10470 A Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  UCR16812  Satureja chandleri James Maragos 1965-4-28 s.n. Riverside Santa Ana Mtns., San Mateo Canyon [Tenaja] Road, one mi. from Murrieta 335 Comment
  UCR102855  Saxifraga californica A. C. Sanders 1997-4-3 20159 Riverside Lake Skinner area, near north foot of Black Mountain, slopes south of Crown Valley 726 Comment
  SEINET6809369  Schinus molle John Thieret, Brandenburg, David 1982-6-5 53095 Riverside Rancho Mirage; Rancho Mirage Comment
  UCR89564  Schismus arabicus George K. Helmkamp 1994-3-10 42- 14 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
  SBBG34679  Schismus barbatus T. L. Secrest 1950-3-12 Riverside near Indio Comment
  SD137942  Schismus barbatus Darin L. Banks 1995-5-9 368 Riverside NW Palomar Mtns., N of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of the Woodchuck Campground 792 Comment
  CAS-BOT-BC111577  Schoenoplectus americanus Ivan Murray Johnston 1917-4-4 1037 Riverside Frequent in damp sand along creek, Palm Canyon 274 Comment
  UCR278377  Schoenoplectus californicus Mitch Provance 2012-9-5 912- 08 Riverside Beaumont Plateau, City of Beaumont, lower reaches of Potrero Creek, adjacent to Four Seasons Development, west side of Highland Springs Ave., 1.1 miles south of the I-10 freeway. 762 Comment
  RSA596144  Scirpus microcarpus Darin L. Banks 1996-11-7 1192 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church., At the end of the main road in the Reservation, approximately 150 m NW of the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 472 Comment
  UC27614  Scrophularia californica Geo. F. Reinhardt Riverside San Jacinto Valley Comment
  UCR154440  Scrophularia californica A. C. Sanders, Mike Misenhelter 2005-6-15 30981 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  UCR199569  Scrophularia californica Scott D. White, Angelia Carey 2004-7-2 10556 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  UCR91480  Scrophularia californica Scott D. White 1995-3-30 2663 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
  SD51951  Scutellaria bolanderi subsp. austromontana Reid Moran 1962-7-7 9852 Riverside 2 miles SW of Idyllwild, in shade by Strawberry Creek 1550 Comment
  UCR193357  Scutellaria bolanderi subsp. austromontana A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35626 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mi. WSW of Fleming Ranch, along nameless tributary of Herkey Creek 1585 Comment
  SBBG47492  Scutellaria siphocampyloides N. C. Coopeer 1944-7-16 1540 Riverside Pine Cove 1524 Comment
  UC1608219  Scutellaria tuberosa Steve Boyd 1992-4-14 6811 Riverside w edge of Oak Flats area (along Bluewater Trail from Verdugo Trail s to crest of ridge w side Bluewater Cyn.); Santa Ana Mountains, San Mateo Cyn Wildernessa Area 731 Comment
  UCR135849  Scutellaria tuberosa A. C. Sanders 2004-4-20 27521 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
  RSA603301  Sedum niveum R. E. Riefner 1997-8-7 97 -241 Riverside Santa Rosa Mountain: near summit 2439 Comment
  RSA0016357  Selaginella bigelovii Duncan S. Bell, David Bernie, Kurt Broz, Kim Clark, James Fournier, Shasta Gaughen, Holly Gray, Ed Howland 2013-6-7 5040 Riverside Pala Indian Reservation, back behind the water tower on the southern flanks of Tourmaline Queen Mountain. 177 Comment
  UC306715  Selaginella bigelovii I. M. Johnston 1917-4-4 1044 Riverside Palm Canyon 304 Comment
  SEINET6336353  Selaginella bigelovii S. B. Parish 1907-4-18 6110 Riverside Western border of the Colorado Desert 200 Comment
  POM6431  Selaginella eremophila Philip A. Munz, L. Street, G Williams 1919-3-25 2324 Riverside Palm Canyon. 243 Comment
  POM10844  Selaginella watsonii Edmund C. Jaeger 1921-6-30 s.n. Riverside Taquitz Peak, San Jacinto Mountains 2834 Comment
  RSA206253  Selaginella watsonii Reid V. Moran 1968-8-3 15356 Riverside 1 mile NW of Toro Peak. 2250 Comment
  RSA0012731  Senecio californicus Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-1 3150 Riverside Vail Lake area, ridge along N edge Oak Mountain, 1.5-2.0 miles W of the dam. 518 Comment
  SD144485  Senecio californicus var. californicus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19878 Riverside Lake Skinner area: lower Rawson Canyon, NE of the lake and SW of Black Mtn.along the road. 518 Comment
  RSA262101  Senecio flaccidus var. douglasii E. W. Lathrop 1971-3-24 7465 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  SD136897  Senecio flaccidus var. douglasii Steve Boyd 1994-10-14 8384 Riverside Southern Santa Ana Mountains, San Mateo CAnyon Wilderness Area of the Cleveland National Forest. 359 Comment
  UCD135485  Senecio flaccidus var. douglasii R. N. Raynor 1941-7-28 s.n. Riverside south border of county. Comment
  OBI6025  Senecio flaccidus var. monoensis Carl B. Wolf 1931-10-14 2461 Riverside San Gorgonio Pass. Roadside at Cabezon 518 Comment
  RSA791478  Senecio flaccidus var. monoensis J. Andre 2012-4-16 20930 Riverside Joshua Tree National Park;; along Cottonwood Spr. Rd, 2.4 mi. north of Cottonwood Visitor's Ctr..mixed sonoran-mohaven scrub. 956 Comment
  UCR233168A  Senecio mohavensis Jim Andre, Glenn L. Clifton 2011-2-22 17443 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  UCR42398  Senecio mohavensis J. M. Stewart 1986-1-26 86- 6 Riverside Sonoran (Colorado) Desert, NE side of Mecca Hills 305 Comment
  UCR114303  Senecio vulgaris Julie A. Greene 1993-4-7 1128 Riverside San Jacinto Valley, San Jacinto Wildlife Area. Edge of drying flood area, west of Davis Road. 433 Comment
  SD113531  Senegalia greggii Frank F. Gander 1936-6-14 360 Riverside San Jacinto, desert side Comment
  SD229143  Senegalia greggii Dick Schwenkmeyer 2013-6-11 903 Riverside Approx. 1.5 miles north od highway 74 and Royal Carrizo Road intersection. 854 Comment
  UCD108464  Senegalia greggii A. C. Sanders; T. B. Salvato 2000-4-27 23373 Riverside Coachella Valley: east side of Coachella Canal near the foot of the Mecca Hills, vicinity of the east end of Ave 60. 15 Comment
  JOTR30068  Senna armata La Doux, Tasha, Mike Bell, Katy Mathews, Alice Miller, Amber Holt 2007-5-23 1697 Riverside Joshua Tree National Park. Stop # 3 = Near Geology Tour rd., N of Malapai Hill 1219 Comment
  SEINET5504219  Senna armata Ynez Whilton Winblad 1937-4-22 Riverside Box Canyon Comment
  UCR269234  Senna artemisioides A. C. Sanders, T. B. Salvato, Cecile Shohet 2016-2-28 42000 Riverside Peninsular Range, along Hwy 79 c. 1 km east of Los Caballos Rd. and 1 km west of Pauba Rd. 401 Comment
  UC2013408  Sequoiadendron giganteum Rudolf Schmid and Mena J. Schmid 2009-5-1 2009 -1 Riverside NW San Jacinto Mountains NE of Highway 243 ca. 16 Highway km NW of Idyllwild, in the S unit of the San Bernardino National Forest, on SW, flank of Black Mountain (summit). Just left (as ascending) of Black Mountain Trail on slope by large trunk lying across trail, at the head of Indian Creek in drainage, uppermost Hall Canyon. Comment
  CAS-BOT-BC438208  Sesuvium verrucosum Steve Boyd 1986-4-19 1714 Riverside Temescal Canyon: Warm Springs Valley. Alkali flats along Alberhill Creek drainage E of Nichols Rd. Comment
  SD181742  Sesuvium verrucosum Scott D. White 2001-6-29 8633 A Riverside Menifee Valley: Ca. 1.4 mile southwest of the I-215/Newport Rd. Interchange, northwest of the intersection of Holland Rd. and Bradley Rd. 438 Comment
  CAS-BOT-BC243634  Setaria pumila S. B. Parish 1912-10-13 8244 Riverside Mecca, Salton Basin -57 Comment
  UCR171724  Sidalcea malviflora 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
  CAS-BOT-BC434394  Sidotheca trilobata A. C. Sanders; Mitch Provance 2008-7-11 35762 Riverside Peninsular Range; San Jacinto Mtns.: 3/4 mi. NE of Mountain Center, c. 1/4 mile NE of Keenwild Fire Station, near road to helipad. 1494 Comment
  SBBG62401  Sidotheca trilobata E. Rockwell 1920-7-4 887 Riverside Hemet Grade 914 Comment
  SEINET4176382  Sidotheca trilobata J. L. Reveal, B. J. Ertter 1976-6-30 4567 Riverside Santa Rosa Mountains, along the dirt road to Santa Rosa Mountain, 4 miles south of California Highway 74 1737 Comment
  CLARK-A1528-5010  Silene laciniata John C. Roos 1937-6-7 2399 Riverside Comment
  UC1361893  Silene parishii Reid Moran 1968-8-3 15369 Riverside n slope 1 mi w of summit Santa Rosa Mountain; w of summit Santa Rosa Mountain 2150 Comment
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Jan 2 2010
  RSA0086984  Silene platyota Steve Boyd, C. Boyd, K. A. Boyd, Laurel Arnseth, R. Noyes 1988-5-28 2260 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest. 1500 Comment
  RSA627511  Silene verecunda subsp. platyota Scott D. White, Julie Greene 1998-8-1 6960 Riverside Idyllwild Area: Roadside uplands and meadows within residential community above/parallel to E bank of Strawberry Creek between crossing at Circle Drive and Humber Park. 1829 Comment
  RSA575854  Silybum marianum Steve Boyd 1980-4-23 s.n. Riverside Glen Avon, ruderal field at Jurupa Road and Galena Avenue Comment
  GMDRC9798  Simmondsia chinensis J. M. Andre 2017-3-1 38002 Riverside Orocopia Mountains: north end of range, near BLM Rd # 133, 3.5 mi. SE of Interstate 10 (at Box Cyn/Cottonwood Spring Rd exits). 606 Comment
  RSA27976  Simmondsia chinensis C. Leo Hitchcock 1940-3-31 5891 Riverside Between Cottonwood Spring and Pinto Basin. Comment
  SEINET6418776 Image available Simmondsia chinensis Annie M. Alexander, Louise Kellogg 1941-1 2159 Riverside EAgle Mountains, road to Black Eagle Mine 777 Comment
  UC1130470  Simmondsia chinensis C. Van Fleet 1931-1-22 7 Riverside Wilson Creek; San Jacinto Quad., Wilson Creek Comment
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Nov 27 2011
  UCR178561  Simmondsia chinensis R. G. Swinney 1967-3-12 0082 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, north side, south of Desert Center 366 Comment
  SBBG103703  Sisymbrium erysimoides A. C. Sanders 1986-10-28 6965 Riverside NE corner of Big Springs Rd and Watkins Drive, just E of UCR Campus Comment
  RSA431737  Sisymbrium irio E. A. McGregor 1964-6-10 s.n. Riverside On Highway 74, west of Elsinor. 914 Comment
  UCR135736  Sisymbrium irio A. C. Sanders 2004-4-20 27559 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
  JOTR36480  Sisymbrium orientale La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3194 Riverside Joshua Tree National Park. Little San Bernardino Mtns, lower Smithwater Canyon (Biodiversity Hunt stop4) 1219 Comment
  RSA598678  Sisyrinchium bellum Louis C. Wheeler 1948-8-28 6702 Riverside San Jacinto Mountains. Wellman's Cienega. 2896 Comment
  UCR216231  Sisyrinchium bellum Mike Bell 2008-4-27 011 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, Adobe Loop Trail 538 Comment
  SBBG119444  Solanum douglasii A. C. Sanders 2004-5-12 27885 Riverside Walker Cyn at NE foot of Alberhill Mtn, Temescal Crk 378 Comment
  RSA594518  Solanum elaeagnifolium D. L. Banks, Rashmi Pant 1996-5-13 1023 Riverside NW Palomar Mountains; Agua Tibia Mountains; Hwy. 79, E of the Dripping Springs Campground.; Approximately 1.9 km E of the Dripping Springs Guard Station (100 m E of where Hwy. 79 leaves the Forest Service Boundary)., On the S side of Hwy. 79. 488 Comment
  UCR176993  Solanum rostratum Pete Roa 2006-6-6 s.n. Riverside Riverside, Knoll Way west of La Cadena Dr., between Columbia Ave. and Strong St. on the west side of the 215 freeway 262 Comment
  CAS-BOT-BC157236  Solanum umbelliferum J. T. Howell 1930-5-10 4793 Riverside St. John's Grade Comment
  RSA427461  Solanum umbelliferum F. A. Thackery 1927-3-30 281 Riverside Banning. Comment
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Mar 13 2011
  RSA585640  Solanum umbelliferum D. L. Banks, Steve D. Boyd 1995-3-15 75 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area N face of Agua Tibia Mtn., Dorland Mtn. area. 806 Comment
  UCR194229  Solanum umbelliferum Scott D. White 2006-4-28 11319 Riverside Elsinore Basin, Wildomar, east of the I-15 Fwy and north of Baxter Road. South and west-facing hillsides, minor ephemeral wash, and upper bajadas at bases of hills 488 Comment
  NY820358  Solanum xanti C. L. Hitchcock 1964-3-17 23103 Riverside 10 miles N. of Pala, on road to Elsinore Comment
  CDA33357  Solidago californica Mike Lahti 2010-9-14 Riverside Hemet, Red Mountain Rd, approx. 1 mile east of Sage Rd. 0 Comment
  UC218229  Solidago velutina subsp. californica P. A. Munz 1922-9-6 6372 Riverside below Round Valley; San Jacinto Mts. 2438 Comment
  RSA192181  Sonchus asper E. W. Lathrop 1967-4-17 4493 Riverside 14 mi. west of Murrieta, Tenaja Plateau. w slope Redoda Mesa. Comment
  SDSU13897  Sonchus asper subsp. asper Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2144 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  UC63156  Sonchus oleraceus H. M. Hall 1902-4-23 2955 Riverside Vicinity of Riverside Comment
  SDSU13820  Sonchus oleraceus W. Miller Riverside Comment
  UCR165629  Sorghum halepense 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
  RSA0097858  Spergularia bocconi E. W. Lathrop 1969-5-19 7076 Riverside 8 mi west of Murrieta. Santa Rosa Plateau of the Santa Ana Mountains. Comment
  CAS-BOT-BC390860  Spergularia marina F. M. Reed 1906-7-1 s.n. Riverside West Riverside Comment
  RSA0014607  Spergularia marina Justin M. Wood 2010-5-12 1683 Riverside Santa Ana Canyon: Santa Ana River; approx. 0.75 miles downstream of Prado Dam. Just NE of Green River housing estate. 137 Comment
  RSA0098491  Spergularia marina Scott D. White, Justin Wood 2008-6-24 12286 Riverside Beaumont Badlands: San Timoteo Canyon. Meadow along San Timoteo Creek. 640 Comment
  UCR135720  Sphaeralcea Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9023 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 Comment
  CLARK-A1656-893  Sphaeralcea ambigua Lois Ann Scott 1978-4-5 Riverside San Jacinto Mountains 381 Comment<