Search Results — 2000 specimen records retrieved (1862 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
  RSA518562  Abies concolor F. C. Vasek 1976-7-4 760704 -5 Riverside San Jacinto Mountains, Pine Cove. 1829 Comment
  CSUSB1081  Abronia villosa P. A. Rauch 1968-2-22 Riverside San Gorgonio Wash. Comment
  POM13018  Abronia villosa var. aurita P. A. Munz 1922-4-14 4968 Riverside Indian Wells 91 Comment
  UCR596  Abronia villosa var. aurita S. C. Warner 1956-5-19 s.n. Riverside San Jacinto River, 2 mi. east of San Jacinto Comment
  RSA461179  Abronia villosa var. villosa N. C. Cooper 1949-4-8 3232 Riverside Mecca Pass east of Indio. 549 Comment
  UCR123830  Abronia villosa var. villosa Steven R. Hill, K. Kramer 2001-4-27 33489 Riverside Sonoran (Colorado) Desert, N side of Route I-10, W side of Coachella Canal, about 0.1-0.2 mi north of interstate highway, 3 mi east of Indio 9 Comment
  UCR6390  Abutilon theophrasti O. F. Clarke 1967-6-9 s.n. Riverside Riverside, O.F. Clarke residence at 1012 Spruce Street 366 Comment
  CSUSB1602  Acacia greggii Elliott Helm 1975-5-23 Riverside Mojave Desert Mojave Desert, 16 miles north of 29 Palms, off highway 177 304 Comment
Read comments
Jun 3 2012
  UCR25147  Acacia greggii John C. Roos 1965-6-23 s.n. Riverside Sonoran (Colorado) Desert, Eagle Mtns., Lost Palms Canyon, north of Chiriaco Summit Comment
  RSA87019  Acacia greggii var. arizonica F. W. Peirson 1921-4-11 4066 Riverside Murray Canyon. Palm Springs region. Comment
  CAS-BOT-BC35189  Acamptopappus sphaerocephalus P. A. Munz; Street 1919-5-7 2731 Riverside Tahquitz Canyon 228 Comment
  CAS-BOT-BC35190  Acamptopappus sphaerocephalus Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway, Mt. San Jacinto Comment
  UCR135731  Acamptopappus sphaerocephalus Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9004 Riverside Santa Rosa Mountains, along Hwy 74 on the Santa Rosa Mountain Grade, c. 0.5-0.8 mi NE of Black Hill 854 Comment
  UCR34894  Acamptopappus sphaerocephalus L. B. Ziegler 1967-6-8 150 Riverside San Jacinto Mtns., Pinyon Flats 1223 Comment
  CAS-BOT-BC30909  Acamptopappus sphaerocephalus E. C. Jaeger s.n. Riverside Whitewater Comment
  SD73604  Acamptopappus sphaerocephalus var. sphaerocephalus Helen V. Witham 1970-4-29 835 Riverside Hwy 74, about 20 miles east of Lake Hemet. 1299 Comment
  UCD50319  Achnatherum coronatum Frank W. Gould 1943-4-17 2128 Riverside 12 miles S of Corona on road to Elsinore. Comment
  RSA387363  Achyrachaena mollis Steve Boyd 1986-4-19 1708 Riverside Temescal Canyon Temescal Canyon: flats at SE end of Alberhill Mtn. 396 Comment
  OBI26118  Achyronychia cooperi David J. Keil 1976-12-12 11919 Riverside Along I-10, 37 mi E of Chiriaco Summit Comment
  POM10327  Achyronychia cooperi Charlotte M. Wilder 1905-04 707 Riverside Santa Marie Mountains. Comment
  POM10340  Achyronychia cooperi E. Schlinger 1916-04 S.N. Riverside Santa Marie Mountains. Colorado Desert. Comment
  LA47824  Acmispon argophyllus var. argophyllus L. Haines; L. Erickson 1937-4-9 sn Riverside Riverside-Hemet road near Winchester turnoff Comment
  CAS-BOT-BC226255  Acmispon brachycarpus A. C. Sanders 2011-4-7 39033 Riverside Peninsular Range; Santa Ana Mtns. Region: Temescal Canyon, between Horsethief Canyon and Glen Eden, along I-15 Frontage Rd., SE of Lee Lake 381 Comment
  UCR201612  Acourtia microcephala Scott D. White, Justin M. Wood 2008-6-18 12202 Riverside San Jacinto Mountains, hiking trail from K flat to Apple Canyon Road 1451 Comment
  SD229249  Adenostoma fasciculatum Dick Schwenkmeyer 2012-10-16 930 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 551 Comment
  UCR237943  Adenostoma fasciculatum Mark A. Elvin 2004-6-2 3501 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley, east of Hwy 74 between Fobes Ranch Rd. and Morris Ranch Rd. at base of foothills 1402 Comment
  SEINET3076976 Image available Adenostoma sparsifolium Howard Scott Gentry 1974-8-26 23434 Riverside Mountain slope ca. 4 miles NE of Anza. 1372 Comment
  UC186704  Adenostoma sparsifolium S. B. and W. F. Parish July, 1881 552 Riverside San Jacinto <Ms.> Comment
Read comments
Mar 1 2011
  UCSB18172  Adenostoma sparsifolium Easley, Bill 1964-5-10 Riverside 150 yards E of intersection of State Highway 74 and State Highway 71 1463 Comment
  CAS-BOT-BC69646  Adiantum capillus-veneris Nancy Ryan Zabriskie; Walter Zabriskie 1971-11-27 466 Riverside Ca. 25' n. of stream bank, ca. 200 yds. below juncture with north canyon; Andreas Canyon, e. slope San Jacinto 359 Comment
  RSA0121431  Adiantum capillus-veneris Duncan S. Bell, LeRoy Gross 2016-3-30 9132 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.75 air miles southeast of the summit of Martinez Mountain. 698 Comment
  SDSU14178  Adiantum jordanii Kimberly S Miller, Dr. M. G. Simpson, Derek T Miller 2002-3-17 6 Riverside Santa Margarita Ecological Reserve. Up creek along east side of canyon from where Tornado road crosses Santa Margarita River. Comment
  OBI6574  Agave deserti H. E. McMinn 1935-10-27 4047 Riverside E of Ribbonwood Palms to Pines Hwy Comment
  RSA369161  Agave deserti Jack Rempel 1934-3-3 18663 Riverside Berdoo Canon, Little San Bernardino Mtns. 671 Comment
  RSA95111  Agoseris heterophylla var. heterophylla F. W. Peirson 1922-5-20 3045 Riverside Hemet Valley, San Jacinto Mountains. 1371 Comment
  JEPS73944  Agrostis idahoensis Carl V. Meyer 1928-7-27 861 Riverside Round Valley San Jacinto Mts. Comment
  RSA740248  Agrostis stolonifera Scott D. White, Justin M. Wood 2008-7-9 12405 Riverside Johnson Meadow 1415 Comment
  SEINET954736  Agrostis viridis T. B. Salvato, Sarah Flack 2007-1 3029 Riverside San Gabriel Mtns: East Fork Road crossing over the north fork of the San Gabriel River, Islip Saddle. 201 Comment
  UC36992  Agrostis viridis H. M. Hall June, 1901 2275 Riverside along watercourses San Jacinto Mountains, vicinity of Strawberry Valley 1615 Comment
  RSA613952  Ailanthus altissima A. C. Sanders 1994-7-27 15157 Riverside Riverside: Santa Ana River between the San Bernardino County line and the Market Street Bridge. 244 Comment
  UCR171903  Alchemilla occidentalis John F. Green 2006-4-27 s.n. Riverside Peninsular Ranges, Temecula, plot centered on San Diego Aqueduct corridor between Nicolas Road and Via Norte 381 Comment
  RSA469422  Aliciella latifolia M. B. Dunkle 1933-3-4 3055 Riverside Painted Canyon, Colorado Desert. 30 Comment
  RSA71926  Aliciella latifolia F. W. Peirson 1927-4-12 7168 Riverside Painted canyon, near Mecca. Comment
  CAS-BOT-BC500426  Allionia incarnata A. C. Sanders; Jim Malusa 2015-3-11 41393 Riverside Sonoran (Colorado) Desert: Chocolate Mountains, Gasline Rd at jct with rd to Observation Point Slats, US Navy Chocolate Mts Aerial Gunnery Range 723 Comment
  RSA339329  Allionia incarnata Robert F. Thorne, Gertrud Dahlgren, R. Dahlgren 1979-8-23 53570 Riverside Johsua 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
  RSA462625  Allionia incarnata Robert Gustafson 1980-4-3 1527 Riverside Orocopia Mountains, about 6 miles east of Mecca on Box Canyon road. 305 Comment
  UC68615  Allionia incarnata H. M. Hall Apr 1905 5808 Riverside 10 mi w of Coachella (Colorado Desert); Colorado Desert 60 Comment
  RSA395903  Allium haematochiton Steve Boyd 1986-4-22 1780 Riverside Gavilan Hills: Summit of Estelle Mountain Comment
  UC1544768  Allium munzii Steve Boyd 1986-4-22 1781 Riverside just w of third powerline tower n of summit of Estelle Mt. Gavilan Hills, Estelle Mt. 841 Comment
Read comments
Oct 26 2011
  UCR218070  Allium peninsulare Steve Boyd 2010-5-23 12276 Riverside Santa Ana Mountains, Elsinore Peak, fuelbreak near summit, just west of communications towers. 1073 Comment
  SD67629  Allium praecox I. W. Clokey, E. G. Anderson 1935-4-16 6550 Riverside East of Hemet, steep slope, decomposed rock. 640 Comment
  UCR5959  Allium praecox Kenneth Hibberd 1966-3-27 660327- 01 Riverside Peninsular Range, La Sierra Ave., 2 mi south of Victoria Ave. on the road to Lake Mathews 366 Comment
  SBBG128719  Allium triquetrum O. F. Clarke 2010-2-20 Riverside O.F.Clarke residence, 266 Frost Court, Riverside, E edge of UCR campus 351 Comment
  RSA0112629  Allophyllum A. C. Sanders 2008-7-25 35922 Riverside Peninsular Range; San Jacinto Mtns.: east side of May Valley, NE of Bonita Vista Rd. at foot of hills. Comment
  RSA674662  Allophyllum divaricatum Scott D. White 2000-8-5 8113 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  JEPS69413  Allophyllum gilioides subsp. violaceum W. L. Jepson 1901-5-24 1416 Riverside Santa Rosa Mts., Van Deventer Flat 1432 Comment
Read comments
Aug 12 2013
  UC52841  Allophyllum glutinosum Geo. F. Reinhardt June, 1897 Riverside San Jacinto Mts. Comment
  CAS-BOT-BC170131  Alnus rhombifolia Ivan Johnston 1917-4-4 1103 Riverside Andreas Canon [canyon] 274 Comment
  CAS-BOT-BC137954  Alopecurus saccatus Robert F. Thorne; E. Lathrop; O. Clark; S. Carlquist 1968-4-18 37442 Riverside Santa Rosa Plateau. Mesa de Colorado. 670 Comment
  RSA596536  Amaranthus albus D. L. Banks, Lauren Raz 1996-8-29 1137 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along Arroyo Seco, N of Wildhorse Peak, before the drainage bends to the S. 548 Comment
  UCR4345  Amaranthus powellii O. F. Clarke, Jeanine Derby 1973-9-23 s.n. Riverside Santa Ana River Valley, City of Corona, river bottom area Comment
  UCR94938  Ambrosia acanthicarpa Scott D. White 1996-9-22 4532 Riverside Perris Basin, Lakeview Mtns: north of Homeland, along Juniper Flats Road, c. 1.2 road miles north of intersection with State Hwy 74, unnamed drainage channel parallel to the road 500 Comment
  CAS-BOT-BC22577  Ambrosia dumosa Joseph Andorfer Ewan 1932-4-8 7029 Riverside Seven Palms near Garnet, Colorado Desert Comment
  CAS-BOT-BC22610  Ambrosia dumosa Samuel B. Parish 1907-4-23 6092 Riverside Palm Springs, Colorado Desert Comment
  LA83357  Ambrosia dumosa O. H. Kappler; 1941-4-21 212 Riverside Morongo Pass Area, Desert City Comment
  NY43445  Ambrosia dumosa C. R. Annable 1995-3-10 2261 Riverside 1.6km S of Lake Cahuilla County Park Comment
  POM8400  Ambrosia dumosa Mary F. Spencer 1920-4-7 784 -a Riverside Palm Canyon, Colorado Desert 183 Comment
  RSA796102  Ambrosia dumosa Duncan S. Bell 2009-4-20 318 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  SEINET2043626 Image available Ambrosia dumosa C. M. Hanagan 1971-5-22 Riverside Approximately 1/4 mi. from the corner of Sunnyslope and Bagley Drive in 29 Palms Comment
  UCSB18824  Ambrosia dumosa Barrick, Linda 1963-5-5 Riverside East side of State Highway 74, 10 miles S of Palm Desert 1066 Comment
  UC1523648  Ambrosia psilostachya Robert F. Thorne, Steve Boyd, and Earl Lathrop 1985-7-18 61194 Riverside along Cole Canyon; Santa Rosa Plateau 533 Comment
  UCR141258  Ambrosia psilostachya A. C. Sanders, Kelly Volansky 2004-10-6 28824 Riverside Santa Ana Mtns./Santa Rosa Plateau, 41050 Avenida La Cresta, south of Sierra Maria Rd. and c. 1.5 mi. north of Tenaja Rd., c. 2 miles NW of the Mesa de Colorado 671 Comment
  CAS-BOT-BC273008  Ambrosia salsola Roxana S. Ferris; Rimo Bacigalupi 1958-3-19 13235 Riverside In Big Maria Mts. Highway U. S. 95, 11.3 mi. N of Blythe Comment
  CAS-BOT-BC273022  Ambrosia salsola F. O. Ballou 1926-2-27 s.n. Riverside Old Beach Line at base of Santa Rosa Mts near Fish Springs Comment
  SBBG44967  Ambrosia salsola var. salsola E. Braunton -Mar-1940 2044 Riverside Fan Cyn, ca. 20 mi NE of Indio Comment
  UC12060 Image available Amelanchier utahensis H. M. Hall Aug 1901 2422 Riverside vicinity Strawberry; San Jacinto Mountains 1524 Comment
  UCR19670  Amelanchier utahensis Art Whistler 1966-5-8 s.n. Riverside Peninsular Ranges/ San Jacinto Mountains, downstream from Lake Fulmor, Route 74 1585 Comment
  RSA7751  Ammannia coccinea C. M. Dammers 1933-12-4 s.n. Riverside Growing wild in center of city of Riverside Comment
Read comments
Nov 23 2010
  UC1605425  Amsinckia intermedia Steve Boyd 1986-4-2 1618 Riverside Gavilan Plateau; Gavilan Hills, Garford Springs County Park 609 Comment
  RSA0089614  Amsinckia intermedia John F. Emmel 1973-4-7 426 Riverside Twin Pines Creek, at north base of San Jacinto Mts., ca. 1 1/2 air miles SW of Cabazon. 512 Comment
  UCR113213  Amsinckia menziesii A. C. Sanders 1998-1-15 21644 Riverside Lake Skinner area, along old Rawson Rd. just north of Crown Valley, above Diamond Valley at waterline of proposed reservoir 518 Comment
  UCR100044  Amsinckia menziesii var. menziesii Scott D. White 1993-3-3 1092 Riverside Perris Basin, Romoland/Winchester area 442 Comment
  UCR252643  Amsinckia retrorsa T. B. Salvato, John Lovio 2013-3-19 7373 Riverside Perris-Aguanga Basin, Paloma Valley, vacant lot at northeast corner of intersection of Scott Road and Menifee Road 455 Comment
  RSA689374  Amsinckia tessellata Scott D. White 2001-4-19 8379 Riverside Perris Basin: Perris/Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5-2 mi west of Interstate 215. 442 Comment
  UCR49269  Anagallis arvensis Steve Boyd 1986-5-1 1804 Riverside Perris-Aguanga Basin region, southwestern Perris Basin, hill west of Skunk Hollow, Skunk Hollow vernal pool 488 Comment
  RSA526485  Anagallis arvensis Steve Boyd, Tim S. Ross 1990-5-11 4682 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
  RSA800109  Androstephium breviflorum Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-7 4764 Riverside East side of the Arica Mountains; west side of Rice Valley, approximately 6 air miles southeast of the ghost town of Rice or approximately 5 air miles southeast of Priests Well. 198 Comment
  CAS-BOT-BC400334  Anemopsis californica A. J. Mc. 1892-4-22 s.n. Riverside Elsinore Comment
  CAS-BOT-BC499167  Anemopsis californica Mitch Provance 2011-6-6 17008 Riverside Badlands: San Timoteo Canyon, El Casco area, N of San Timoteo Canyon Rd and E of Woodhouse Rd 626 Comment
  RSA356999  Anemopsis californica R. F. Thorne 1973-5-23 43878 Riverside Santa Rosa Plateau- Mesa de Colorado: stream N of mesa. Santa Ana Mountains 609 Comment
  RSA388423  Anemopsis californica R. F. Thorne, Steve D. Boyd, E. W. Lathrop 1985-7-18 61189 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  RSA517745  Anisocoma acaulis Donald G. Nelson 1936-5-21 378 Riverside Slopes just N of meadow in valley just E of Hurkey Creek Camp area, East of Lake Hemet, and N of Mt. Thomas. In San Jacinto Mtns. Comment
  UC130487  Antennaria rosea Mrs. C. M. Wilder 1909-7-13 Riverside Tahquitz Valley San Jacinto Mts., Tahquitz Valley Comment
  JOTR31068  Antirrhinum coulterianum La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2050 Riverside Joshua Tree National Park. Little San Bernardino Mountains; STOP 6: upper portion of Smithwater Canyon, leading to Lower Covington Flats, wide sandy wash Comment
  RSA388498  Antirrhinum coulterianum Steve D. Boyd 1986-5-1 1819 Riverside Bachelor Mtn.: Lower south slopes of Bachelor Mtn., east end of Lake Skinner. Comment
  RSA425797  Antirrhinum coulterianum R. S. Woglum 1937-5-22 536 Riverside Anza, Cahuilla Valley. Comment
  UCR183026  Antirrhinum coulterianum Mitch Provance 2003-4-17 4632 Riverside San Bernardino Valley, Riverside, W base of Box Springs Mts., Big Springs Arroyo, N. side of Big Springs Rd., west of the railroad tracks 360 Comment
  UCR22013  Antirrhinum coulterianum Steve Boyd 1980-5-21 294 Riverside Gavilan Hills, Harford Springs County Park, on the NW corner of the Gavilan plateau. Comment
  SEINET13388909  Antirrhinum filipes H. M. Hall 1905-5-10 6014 Riverside Cottonwood Springs. 671 Comment
  UCR278899  Antirrhinum majus Mitch Provance 2011-7-3 17191 Riverside Santa Ana River Valley, Rubidoux, west corner of Rubidoux Blvd. and 28th St. 259 Comment
  UC64224  Antirrhinum nuttallianum subsp. nuttallianum H. M. Hall 1897-6-1 Riverside Riverside foothills Riverside Comment
  SDSU17494  Apiastrum angustifolium Jerry Jenkins 2001-3-30 2001 -016 Riverside Santa Margarita Ecological Reserve. West side of S.M. River, slightly north of station. UTM zone 6, 481700E, 3699150N UTM transfered to GIS. Comment
  UCR137564  Apiastrum angustifolium A. C. Sanders 2004-5-5 27772 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
  UCR194228  Apiastrum angustifolium Scott D. White 2006-4-28 11317 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
  UCR130850  Apium graveolens S. J. Myers, C. McGaugh 1996-5-17 s.n. Riverside Santa Ana River Valley, Corona, River Road bridge over the Santa Ana River 165 Comment
  UCSB4906  Apocynum androsaemifolium Kamb, Peter 1948-7-11 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  UCR35000  Apocynum cannabinum L. B. Ziegler 1968-6-20 319 Riverside San Jacinto Mtns., Fuller Mill Creek, edge of the campground in the canyon bottom 1677 Comment
  RSA0126210  Arabis glabra D. Charlton 1988-5-21 1965 Riverside Thomas Mtn Rd, W of Garner Valley and S of Lake Hemet on Hwy 74. 1829 Comment
  RSA27439  Arabis perennans C. L. Hitchcock 1940-4-5 5966 Riverside Ciffs above Cottonwood Springs Comment
  UC1329977  Arabis pulchra James E. Cole 1941-4-10 516 Riverside Twin Tanks Joshua Tree National Monument Comment
  UCR277893  Arctostaphylos glandulosa A. C. Sanders, Amy Litt, Yi Huang 2017-2-1 42673 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
  UCR4057  Arctostaphylos glandulosa Carole Sims 1965-4-28 s.n. Riverside San Jacinto Mtns, 10 mi from Banning toward Idyllwild 1067 Comment
  UCR133431  Arctostaphylos glandulosa subsp. mollis Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 447 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  CAS-BOT-BC24675  Arctostaphylos glauca L. R. Abrams 1912-7-11 4919 Riverside Near Sugarloaf Valley. 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
  RSA632251  Arctostaphylos glauca Jon E. Keeley 1974-6-6 4092 Riverside Past Agunga [Aguanga?] across from ranch with blue fish sign. 60 Comment
Read comments
May 16 2016
  RSA632655  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16523 Riverside Red Mountain Road, 5 km east of R3. 1000 Comment
  UCR48503  Arctostaphylos glauca Steve Boyd 1986-4-19 1704 Riverside Peninsular Range, Temescal Canyon, east side of Indian wash between I-15 and Temescal Canyon Road 351 Comment
  POM367326  Arctostaphylos glauca var. glauca Ora M. Clark 1929-4-6 1953 Riverside South of Hemet. Comment
  RSA633564  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16614 Riverside Road to Santa Rosa Mountain, (7S02), 1.8 km south of Highway 74. 1560 Comment
  RSA633614  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21754 Riverside Dirt road to Santa Rosa Mountain, 8.6 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1940 Comment
  RSA633649  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20153 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633683  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21775 Riverside Dirt road to Santa Rosa Mountain, 9.2 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1995 Comment
  SEINET3101904  Arctostaphylos pringlei Marc A. Baker, with Michelle Cloud-Hughes 2011-6-12 17374 Riverside Goff Flat, 5.5km SW of Pyramid Peak Comment
  SD229130  Arctostaphylos pringlei subsp. drupacea Dick Schwenkmeyer 2012-4-18 705 Riverside Mt. San Jacinto: Vista Grande, 1.1 mile northwest of U.S. Forestry station on Highway 243, north of Idyllwild. High granite ridge overlooking Gorgonio Pass to the north and Hemet to the west. 1540 Comment
  RSA635800  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16515 Riverside Red Mountain Road, 1.8 km east of R3. 850 Comment
  RSA635815  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16544 Riverside Red Mountain Road, 9.5-10.3 km east of R3. 1050 Comment
  RSA751283  Arctostaphylos pungens A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35612 Riverside May Valley c. 1.0 mi SW of Fleming Ranch, along dirt track 1555 Comment
  RSA192300  Arctostaphylos rainbowensis H. A. Zuill 1966-6-5 203 Riverside San Mateo Canyon about 13 miles SW of Murrieta Comment
Read comments
Oct 23 2013
  RSA636025  Arctostaphylos rainbowensis Jon E. Keeley 1992-8-2 18798 Riverside East of Hwy 15, off Rainbow Cyn. Rd., 3 km north of San Diego Co. line. 400 Comment
  RSA636027  Arctostaphylos rainbowensis Jon E. Keeley 1992-4-5 15062 Riverside Rainbow Canyon Rd., 2 km south of Pala Rd. 370 Comment
  SD180725  Arctostaphylos rainbowensis C. Matt Guilliams 2007-8-9 409 Riverside Santa Margarita Ecological Reserve, on ridgeline above the Santa Margarita River to the south. 299 Comment
  POM9996  Argyrochosma jonesii Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  SEINET10903238  Argythamnia lanceolata Noel H. Holmgren, Patricia K. Holmgren 1973-3-21 Holmgren 6425 Riverside Big maria mtns, 12 airline mi n of downtown blythe. T4s, r22e, sec 35. Frequent In wash bottoms. A subshrub. 290 Comment
  SEINET10453712  Argythamnia neomexicana David B. Dunn 1946-3-16 Dunn 2059 Riverside Collected on dry plateau 0.5 mi NE of Pushawalla Palms (Springs). Indio Hills. Sparse desert scrub of Larrea and Franseria, with palms at the springs in the canyon. Comment
  CLARK-A1528-4461  Aristida adscensionis John C. Roos 1946-10-26 3143 Riverside Chuckwalla Mountains Comment
  RSA777634  Aristida adscensionis Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 771 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  RSA795810  Aristida adscensionis C. P. Cowan 1978-4-23 1171 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon. 570 Comment
  UC572299  Aristida adscensionis H. S. Yates 1937-3-23 6448 Riverside 15 mi nne Mecca; Thermal Quadrangle 457 Comment
  RSA457765  Aristida adscensionis var. modesta Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2130 Riverside N. end Palen Mountains, 2 miles west of Palen Pass. 300 Comment
  RSA763990  Aristida californica Justin M. Wood, Dustin M. Ray 2010-10-21 2995 Riverside Chuckwalla Valley NE of Victory Springs and 0.9 km E of Kaiser Road on unmarked 4WD road. 198 Comment
  SEINET3127921  Aristida californica H. M. Hall 1905-5-1 5963 Riverside Canons along Colorado River, Colorado Desert Comment
  UCR19683  Aristida californica John C. Roos 1946-9-14 3007 Riverside Santa Rosa Mtns, Dos Palmas Spring, east of Asbestos Mountain 1070 Comment
  SD248293  Aristida oligantha Marc A. Baker, Amy Robinson, Chris Hackbarth & Michelle Cloud-Hughes. 2013-3-19 17715 Riverside Palo Verde Mesa, 14 km SW of Blythe, 5 km ENE of north end of the Mule Mountains. (Ripley 7.5'Q) Comment
  UCD56512  Aristida purpurea J. C. Roos 1965-8-15 s.n. Riverside San Jacinto Valley, Gilman Hot Springs. Comment
  SEINET3222924 Image available Aristida purpurea var. parishii A. C. Sanders, E. J. Lawlor 1988-10-22 8727 Riverside Pinyon Flats area, Santa Rosa Mountains, along the trail about 0.5 mi W of the Dolomite Mine. 1200 Comment
  SD229065  Artemisia californica Dick Schwenkmeyer 2012-10-16 932 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 551 Comment
  SEINET7048062  Artemisia californica Steven R. Hill 2001-4-29 33539 Riverside Whitewater Canyon, east side of canyon, east of Whitewater Canyon Road, about 2 miles north of Route I-10. Elevation about 1800 feet. Comment
  RSA94533  Artemisia californica F. W. Peirson 1920-12-29 1456 Riverside 1.5 miles east of whitewater, head of Coachella Valley. 305 Comment
  RSA556509  Artemisia dracunculus Julie Greene 1993-4-10 1170 Riverside San Jacinto Wildlife Area: Lower North facing slope with granitic outcrops. 475 Comment
  RSA38359  Artemisia tridentata Philip A. Munz 1946-10-19 11565 a Riverside Coahuila 1098 Comment
  CAS-BOT-BC93478  Artemisia tridentata subsp. tridentata H. S. Gentry 1954-7-25 14251 Riverside Dripping Springs along route 79 Comment
  SD204767  Arundo donax Sarah J. De Groot, J. Mark Porter 2006-3-14 5205 Riverside North base of San Jacinto Mountains, west of Highway 111, just east of Snow Creek Road. Comment
  SEINET270102  Arundo donax Miles Fellows 1984-9-25 Riverside Santa Ana river bed just north of Riverside Comment
  RSA500546  Asclepias californica Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3617 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, S of Hwy 79. 488 Comment
  SEINET3099267 Image available Asclepias subulata G. Rink 2010-10-3 10339 Riverside Plains east of the McCoy Mtns., north of Blythe 150 Comment
  UCR129604  Aspidotis californica Marcus E. Jones 1930-3-5 26519 Riverside Temescal Valley/Santa Ana Mtns., Glen Ivy 488 Comment
  RSA0011740  Asplenium vespertinum P. A. Munz 1922-4-28 5036 Riverside Leach Canyon, Santa Ana Mountains 762 Comment
  CLARK-A1528-158  Aster exilis John C. Roos 1951-9-25 5275 Riverside Riverside 259 Comment
  POM48847  Aster hesperius Mr Grout, S. Grout 1900-9-27 s.n. Riverside Cienega Comment
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Jul 4 2010
  RSA0000927  Aster standleyi Francis Fultz 1922-05 3487 Riverside Mecca. Painted Canyon. Comment
  RSA23110  Astragalus aridus I. L. Wiggins 1938-3-19 8901 -A Riverside 25 miles W of Blythe. Comment
  CAS-BOT-BC177515  Astragalus bernardinus Peter H. Raven 1958-5-5 12896 Riverside To the west of Split Rock Tank, Joshua Tree National Monument Comment
  CAS-BOT-BC177529  Astragalus bicristatus Elizabeth McClintock 1965-6-25 s.n. Riverside Santa Rosa Mountain, a short distance below summit Comment
  RSA779009  Astragalus didymocarpus var. dispermus Duncan S. Bell 2010-4-1 643 Riverside Arica Mountains: collecting near the Atchinson, Topeka, and Santa Fe railroad tracks approximately 3 air miles east of Priest Well, or approximately 4.3 air miles southeast of the ghost town of Rice. 216 Comment
  SBBG68214  Astragalus douglasii R. Hoffmann 1929-9-7 Riverside Strawberry Valley Comment
  SBBG68215  Astragalus douglasii R. Hoffmann 1929-9-11 Riverside Thomas Valley Comment
  SBBG93268  Astragalus douglasii D. G. Nelson 1936-5-21 380 Riverside slopes just N of meadow in valley just E of Hurkey Crk Camp area, E of Lake Hemet and N of Mt Thomas Comment
  UC597722  Astragalus douglasii var. parishii Philip A. Munz 1937-5-30 15138 Riverside Santa Rosa Peak Santa Rosa Peak (on dry benches) 2346 Comment
  HSC85262  Astragalus gambelianus Steve Boyd 1986-4-22 1754 Riverside Temescal Canyon: Benches of Indian wash just S of Hwy. 15 Comment
  RSA725746  Astragalus lentiginosus Linda Archer 2006-5-3 s.n. Riverside Sonoran (Colorado) Desert; Coachella Valley: SW edge of Desert Hot Springs, east of Morongo Wash. 280 Comment
  CAS-BOT-BC187113  Astragalus lentiginosus var. borreganus F. H. Billings 1926-2-28 2 Riverside Colorado Desert Comment
  UC68626  Astragalus lentiginosus var. borreganus H. M. Hall Apr., 1905 5958 Riverside Paloverde , Paloverde (Colorado Desert) 76 Comment
  RSA415626  Astragalus nuttallianus var. imperfectus M. B. Dunkle 1935-3-31 4445 Riverside Cottonwood Springs. Colorado Desert. 701 Comment
  POM13864  Astragalus pachypus var. jaegeri P. A. Munz 1922-4-29 5118 Riverside East of Dripping Spring, near Temecula Creek 609 Comment
  UC73172  Astragalus pachypus var. jaegeri M. F. Gilman 1904-1 43 Riverside Banning Comment
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Mar 13 2011
  SBBG28436  Astragalus palmeri D. Myrick 1964-4-30 821 Riverside Hwy 74, 15 mi W of Palm Desert 1219 Comment
  RSA415652  Astragalus pomonensis I. W. Clokey, C. B. Clokey, B. C. Templeton 1930-4-15 4634 Riverside Perris to Gavalian Peak 600 Comment
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Nov 8 2011
  UCR59516  Astragalus pomonensis Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3572 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake Area, along Arroyo Seco drainage from junction with Kolb Creek, S to within 0.25 mi of Hwy 79 457 Comment
  POM1738  Astragalus trichopodus var. lonchus L. T. Street 1917-5-15 s.n Riverside Elsinore. Comment
  RSA627502  Athyrium filix-femina Scott D. White 1998-7-31 6942 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Drive and Hymber Park. 1707 Comment
  SD81620  Athyrium filix-femina var. cyclosorum Louis C. Wheeler 1931-10-3 198 Riverside 1 mile northwest of Tahquitz Peak, San Jacinto Mountains 1860 Comment
  CLARK-A1528-2295  Athysanus pusillus John C. Roos 1947-3-21 3363 Riverside Reche Canyon Comment
  UCR108994  Athysanus pusillus D. L. Banks, V. W. Steinmann 1997-3-13 1519 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
  CDA10364  Atrichoseris platyphylla M. S. Wasbauer 1960-3-27 Riverside Shaver Summit. 0 Comment
  UCR269848  Atrichoseris platyphylla A. C. Sanders, Jim Malusa 2016-3-18 42374 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  SEINET8734641 Image available Atrichoseris platyphylla Helen K. Sharsmith 1952-1 4051 Riverside Pinto Mountains near Meek Mine and ca. 2.5 miles beyond Mission Well 579 Comment
  OBI38366  Atriplex canescens David J. Keil 1980-11-30 s.n. Riverside At Whitewater along I-10 Comment
  POM318800  Atriplex canescens Patricia Wilder 1971-11-17 5321 -a Riverside Along the Santa Ana River at end of Pedlay Sreet, north of Norco. 198 Comment
  UCR9132  Atriplex canescens Frank C. Vasek 1969-10-14 s.n. Riverside Riverside, at intersection of Watkins Road and Hwy 395 freeway Comment
  UCR92403  Atriplex canescens F. M. Reed 1933-12-1 8423 Riverside Western Colorado Desert, dry wash east of Palm Springs 122 Comment
  CAS-BOT-BC170207  Atriplex canescens subsp. canescens W. M. Ingram 1934-10-1 9 Riverside Caleb Comment
  JOTR36490  Atriplex canescens subsp. canescens La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3340 Riverside Joshua Tree National Park. Pleasant Valley: S of Hexie Mountains, on edge of road in playa 999 Comment
  RSA696734  Atriplex canescens var. laciniata J. R. Bruff 1927-10-8 s.n. Riverside Thousand Palms. Comment
  RSA696735  Atriplex canescens var. laciniata J. R. Bruff 1933-1-1 s.n. Riverside Travertine Point, south of Indio. Comment
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Mar 26 2010
  SEINET10838814  Atriplex canescens var. laciniata Jon Ricketson, Heidi H. Schmidt 1992-10-25 Ricketson 4925 Riverside Salton Sea. At the junction of California Highway 111, (Commercial Street), along Vander Veer Road (to North Shore Marina), in the town of North Shore. North end of the Salton Sea, in the Coachella Valley. 60 Comment
  RSA0089541  Atriplex coronata var. notatior D. E. Bramlet, Melissa Riedel-Lehrke 2006-5-31 4014 Riverside Perris Basin: West Hemet area, MWD canal right-of-way, south of Florida Ave. 456 Comment
  RSA0092691  Atriplex coronata var. notatior D. E. Bramlet, Michelle Balk, R. E. Riefner Jr. 2006-4-3 3924 Riverside Perris-Aguanga Basin Region; San Jacinto Valley: west Hemet area, north of Stetson Ave. and east of the EMWD canal. 456 Comment
  SD138898  Atriplex coronata var. notatior Craig Reiser 1994-4-1 Riverside Hemet, east of Warren and Florida Streets Comment
  SEINET3931219  Atriplex coronata var. notatior John Roos 1952-1 Riverside Comment
  UCR234763  Atriplex elegans var. elegans A. C. Sanders, John F. Green 2012-6-25 40307 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon near I-15 crossing of Temescal Canyon Rd. and Temescal Creek, c. 2.6 km SE of Lee (Corona) Lake 361 Comment
  UCSB18446  Atriplex hymenelytra Winn, Will 1963-2-23 Riverside 3 mi S of of Ave 56 and [Coachella] All American Canal 9 Comment
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Jun 6 2013
  POM278762  Atriplex lentiformis Grant D. Brown 1950-3-4 485 Riverside Approximately 10 miles N of Blythe on hyway #95 near water intake plant. 91 Comment
  RSA450605  Atriplex polycarpa Theo Glenn 1984-10-2 s.n. Riverside Thousand Palms oasis, in the Indio Hills, Coachella Valley. 168 Comment
  RSA478374  Atriplex polycarpa Allen 1921-09 s.n. Riverside Palm Springs. Comment
  RSA65380  Atriplex polycarpa Marcus E. Jones 1928-12-15 s.n. Riverside Indio, Coachella Valley Comment
  UCR35146  Atriplex rosea L. B. Ziegler 1967-8-29 209 Riverside San Jacinto Mtns, Hemet [Garner] Valley 1372 Comment
  SEINET4136178  Atriplex serenana T. B. Salvato, Melissa Clemons 2005-6-23 1305 Riverside Penninsular Range; Temescal Valley: Walker Canyon, 1.5 mi due E of Alberhill, N of Hwy I-15; 0 412 Comment
  CAS-BOT-BC176762  Atriplex serenana var. serenana Baer 1922-9-9 s.n. Riverside Elsinore Comment
  UCR199793  Atriplex serenana var. serenana Scott D. White, Justin M. Wood 2008-6-13 12105 Riverside Beaumont Badlands, San Timoteo Canyon, near El Casco Lake (private pond) east of the road 610 Comment
  UCR110379  Atriplex suberecta A. C. Sanders, Mitch Provance 1999-9-26 23115 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  IRVC14693  Avena barbata Victoria Sork 1973-3-5 s.n. Riverside Elsinore, 1.5 mi N, .5 mi W of intersection of Hwys 74 & 71 [79]. Comment
  RSA716386  Avena barbata Scott D. White, Angelia Carey 2004-4-5 9994 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR226605  Avena fatua Jim Andre 2011-2-18 15820 Riverside Coachella Valley, north end of valley at base of Morong Canyon, 0.5 mi north of indian Canyon Road, 1 mi west of Hwy 62 473 Comment
  SEINET7048193  Avena fatua Steven R. Hill, Andrew C. Sanders 2001-5-4 33702 Riverside Temecula; along new gas line right-of-way, north of Del Ray Road near junction with Calle Pii+-a Colada. Bachelor Mountain 7.5 minute U.S.G.S. quadrangle. Elevation about 1250 feet. Comment
  RSA0123154  Ayenia compacta Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8964 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 6.5 air miles southeast of the summit of Martinez Mountain. 480 Comment
  RSA192262  Azolla filiculoides Earl W. Lathrop 1965-3-30 5609 Riverside 12 miles west of Murrieta. Tenaja Range Comment
  RSA486458  Baccharis emoryi Richard Noyes 1988-10-30 758 Riverside Harford Springs County Park vicinity. East of Park boundry and bordering Gavilan Mine Road. 610 Comment
  CAS-BOT-BC106736  Baccharis salicifolia Scott D. White 1996-4-14 3904 Riverside E of Hemet: San Jacinto River Wash near Valle Vista, N of Hwy. 74, ca. 1.7 mi W of USFS Cranston Fire Station. 548 Comment
  POM318591  Baccharis salicifolia Patricia Wilder 1971-2-4 4920 Riverside Santa Ana River in Prado Park; east of Archibald Ave. 244 Comment
  CAS-BOT-BC99872  Baccharis sergiloides Carl B. Wolf 1932-10-12 4297 Riverside Canyon at Pinyon Well, Little San Bernardino Mts. (Conchilla Mts.) 1219 Comment
  JOTR35920  Baccharis sergiloides De Groot, Sarah J., Jessica Chu, Loraine Washburn 2013-3-22 6868 Riverside Joshua Tree National Park. Cottonwood Spring; Fan palm oasis and surrounding slopes. 905 Comment
  POM153357  Baccharis sergiloides Philip A. Munz, I. M. Johnston 1928-9-6 11238 Riverside Morongo Creek, Colorado Desert 610 Comment
  RSA772579  Baccharis sergiloides Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5044 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 W116.66011 750 Comment
  RSA777277  Baccharis sergiloides Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4552 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCD169938  Bacopa monnieri Alexandra Beaty 2018-2-6 s.n. Riverside La Quinta. Growing at golf course called The Quarry at La Quinta. 0 Comment
  CAS-BOT-BC295899  Bahiopsis parishii Annie M. Alexander; Louise Kellogg 1941-5-18 2196 Riverside Eagle Mountains 1021 Comment
  LA26696  Bahiopsis parishii William Shapeero; 1954-4-28 Riverside Joshua Tree National Monument Comment
  SJSU1903  Bahiopsis parishii J. W. Tilden 1957-4-18 1098 Riverside in near vicinity of Whitewater E of San Gorgonio Pass Comment
  SD46162  Baileya pauciradiata Francia Chisaki, Howard Arnott and John Ingram 1955-4-18 631 Riverside 5.6 miles southeast of turn-off to Thousand Palms on Highway 60. Comment
  RSA4910  Baileya pleniradiata C. B. Wolf 1932-4-27 3026 Riverside Colorado desert, 3/4 mile west of Utopia on Mecca-Blythe road 152 Comment
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Dec 11 2011
  RSA719072  Baileya pleniradiata Michael Honer 2005-3-18 2094 Riverside Palen Valley; appx. 3 mi. due E of Desert Center Airport. 134 Comment
  UCR82278  Bassia hyssopifolia J. M. Stewart 1994-5-2 845 Riverside Western Colorado Desert, Coachella Valley, Thermal. Hwy 86 & Avenue 60 Comment
  UCR174307  Bebbia juncea A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32648 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
  UCR96198  Bebbia juncea B. G. Pitzer 1996-11-9 2925 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
  CAS-BOT-BC106403  Bebbia juncea var. aspera W. R. O 73 -641 Riverside Gravel pit S.W. of Colorado Aquaduct w/of Rice Comment
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Jul 24 2017
  RSA588839  Bebbia juncea var. aspera Darin L. Banks, Steve Boyd 1995-10-17 0782 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  RSA594515  Berberis nevinii D. L. Banks, Rashmi Pant 1996-5-13 1020 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Approximately 2.1 km E of the Dripping Springs Guard Station, S of the junction between the Vail Lake Marina Road and Hwy 79., Just S of the Cleveland National Forest Boundary. 396 Comment
  RSA439857  Bergia texana S. B. Parish 1891-11-3 s.n. Riverside Elsinore Lake. Comment
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Aug 8 2010
  RSA479265  Bernardia incana N. R. Zabriskie, W. M. Zabriskie 1972-4-9 509 Riverside Small canyon NW from HWY 74 at 81.72, Deep Canyon Watershed, Santa Rosa Mts. 1220 Comment
  UCD170877  Bernardia incana A. C. Sanders; G. Helmkamp, P. MacKay, et al 1995-3-19 16177 Riverside Coachella Valley/San Jacinto Mtns. foothills: Chino Canyon near the Palm Springs tram station. 795 Comment
  UCR13719  Bernardia myricifolia N. R. Zabriskie, W. W. Zabriskie 1971-4-9 364 Riverside Peninsular Range; Santa Rosa Mtns., north slope of mtns., Deep Canyon, c. 2 mi. up water service road leading south of Hwy 74. Site 2 1311 Comment
  CAS-BOT-BC102100  Bidens laevis S. B. Parish 1913-2-28 8462 Riverside Salton Basin. In the stream from the rairoad wells at Mecca -57 Comment
  SEINET225802  Bloomeria crocea var. crocea K. M. Kummer 1981-5-19 Riverside Box Springs Mountains Box Springs Reserve 732 Comment
  UCR16045  Bloomeria crocea var. crocea Steve Kulju 1974-5-16 s.n. Riverside Santa Ana Mtns/Santa Rosa Plateau, Tenja Rd. near Murrieta, 9.5 mi SW of Washington Ave 549 Comment
  UCR163070  Boerhavia intermedia B. G. Pitzer, G. R. Ballmer 2000-10-14 4221 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
  RSA0009686  Boerhavia intermedia Marcus E. Jones 1929-9-16 24796 Riverside Hayfield, Near Desert Center. Colorado Desert. Comment
  UCR264219  Boerhavia triquetra var. intermedia A. C. Sanders, Jim Malusa 2015-9-10 41866 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 0.85 mi. SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range 480 Comment
  UCR264237  Boerhavia wrightii A. C. Sanders, Jim Malusa 2015-9-10 41844 Riverside Sonoran (Colorado) Desert, mouth of Red Canyon at Salt Creek wash 390 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
  UCR130149  Bolboschoenus maritimus subsp. paludosus Carl Epling, Joseph A. Ewan 1933-1 s.n. Riverside South shore of Lake Elsinore 378 Comment
  RSA179488  Bothriochloa barbinodis E. W. Lathrop 1979-4-17 4479 Riverside 14 miles west of Murrieta, Redonda Mesa. Comment
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Apr 27 2011
  UCD56822  Bothriochloa ischaemum Oscar F. Clarke 1967-7-6 C 670706 1 Riverside Adventive in Alta Fescue Pasture at Spruce St.,Riverside. Comment
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Apr 8 2009
  JOTR34107  Bouteloua aristidoides var. aristidoides La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2669 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  UC406747  Bouteloua aristidoides var. aristidoides Marcus E. Jones, A. M. 1929-9-16 24421 Riverside near Desert Center; Hayfields Comment
  POM159823  Bowlesia incana E. C. Jaeger 1926-3-24 s.n. Riverside White Tanks, Western end of Pinto Mts. Comment
  UCR107391  Bowlesia incana B. G. Pitzer 1997-3-23 2972 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
  HSC101263  Brandegea bigelovii Jim Andre 2012-3-19 21362 Riverside Palen Valley; along Palen Pass Rd. (dirt), 1.2 mi. east of Hwy 177. 184 Comment
  RSA394239  Brandegea bigelovii Christopher Davidson 1979-4-4 7722 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  UCR86214  Brandegea bigelovii A. C. Sanders 1995-5-23 17116 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fans below the Santa Rosa Mountains, north of Toro Canyon., west of Monroe St., and south of Avenue 62 91 Comment
  UC50321  Brassica rapa H. M. Hall 1903-4-1 3816 Riverside vicinity of Riverside; Southern California 304 Comment
  UCD114700  Brassica tournefortii Robert F. Thorne; W. A. Tilforth 1980-5-28 54198 Riverside San Bernardino Mts: Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 609 Comment
  UCR167071  Brassica tournefortii Scott D. White 2005-3-29 10826 Riverside San Gorgonio Pass, Cabazon: alluvial fan and benches west of San Gorgonio river and south of I-10 fwy. west of existing gravel quarry, likely to be proposed for quarry expansion 598 Comment
  RSA229521  Brickellia arguta Philip A. Munz 1937-5-29 15150 Riverside Deep Canyon, Santa Rosa Mountains. 1067 Comment
  CAS-BOT-BC106335  Brickellia atractyloides var. arguta W. L. Jepson 1928-4-24 s.n. Riverside On the rocky walls of canyon below spring, Cottonwood Spring 2407 Comment
  JOTR30932  Brickellia californica La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1413 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; active wash near base of granitic outcrops 1250 Comment
  RSA13779  Brickellia californica C. W. Tilforth, John Dourley 1970-10-16 316 Riverside Along and above intermittent stream bed, road to Santa Rosa Mtn. Comment
  RSA226500  Brickellia californica C. W. Tilforth, John Dourley 1970-10-16 316 Riverside Along and above intermittent stream bed, road to Santa Rosa Mtn. Comment
  UC1279709  Brickellia desertorum D. B. Dunn 1947-10-9 3521 Riverside at campground area by Hidden Valley, Joshua Tree National Monument Joshua Tree National Monument, Hidden Valley Comment
  UCR18574  Brickellia desertorum John C. Roos 1965-9-12 s.n. Riverside Santa Ana Mtns., Tin Mine Canyon, 3 mi SW of Corona 550 Comment
  UCR22090  Brickellia desertorum Steve Boyd 1980-9-23 361 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau. 625 Comment
  CAS-BOT-BC148745  Bromus carinatus var. marginatus H. M. Hall 1901-7-19 2462 Riverside San Jacinto Mountains. Tanquits Valley. 2133 Comment
  UCD58354  Bromus catharticus John Thomas Howell 1960-3-24 35147 Riverside Hemet. 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
  UCR20874  Bromus hallii A. C. Sanders 1978-7-3 875 Riverside San Jacinto Mountains, along old fire road between the James Reserve and the Black Mountain Road 1677 Comment
  RSA750754  Bromus hordeaceus Scott D. White, Justin M. Wood 2009-5-22 12898 Riverside San Jacinto Mountains: Quinn Flat Meadow. 1372 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
  RSA179504  Bromus hordeaceus E. W. Lathrop 1964-5-10 5352 Riverside 10 miles west of Murrieta. 610 Comment
  CAS-BOT-BC161813  Bromus rubens Miles Fellows 1982-3-16 s.n. Riverside At the base of the north facing hillside 30 yards west of the entrance to the University of California RIverside Botanic Garden. Comment
  RSA554288  Bromus rubens Scott D. White 1992-2-25 92 -3 Riverside Santa Rosa Plateau, between Sandia and De Luz Creeks, ca. 1.5 (air) mi. W of Sandia Canyon; 7 miles SW of Murrieta. 305 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
  UCR234225  Bromus rubens A. C. Sanders, John F. Green 2012-3-20 39979 Riverside Peninsular Range; Elsinore Trough, Lake Elsinore, Collier Ave. at 3rd St., just south of I-15 Fwy 389 Comment
  RSA776209  Bromus tectorum Thomas Stoughton, Christi Gabriel, Stephanie Rockwod 2011-3-29 879 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 793 Comment
  SEINET13203270 Image available Bromus tectorum Steve Boyd, Carol Boyd 2011-1 12305 Riverside Traversa Ranges; San Bernardio Mountains region.: Southeast end of range in south branch of Mission Canyon, just upstream from confluence with north branch 762 Comment
  UCR214117  Bromus trinii A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37747 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, north of I-15 and Concordia Ranch Rd., 1.65 mi. ESE of Corona (Lee) Lake, 0.5 mi. NE (25 deg. ) of Temescal Canyon Rd. where it goes under I-15 436 Comment
  RSA452173  Bursera microphylla Marjorie D. Clary 1939-03 2963 Riverside Martinez Canyon, Colorado Desert, Coachella Valley., [Label states: Martinez Canyon, Colorado Desert, Coachella Valley, Imperial County. Note: Martinez Cyn. is in Riverside Co., east slope Santa Rosa Mtns., ca. 33.5 deg. N, 116 deg. 10 W. -S.D. White Oct 2006] Comment
  SEINET2060498 Image available Caesalpinia Steven J. Southwell 1971-5-1 Riverside 300 feet W of road through Thousand Palm Oasis. 152 Comment
  RSA498300  Caesalpinia virgata E. C. Jaeger 1922-3-16 749 Riverside Painted canyon, near Mecca. 91 Comment
  UCR124000  Caesalpinia virgata George K. Helmkamp, E. A. Helmkamp 2001-4-14 6466 Riverside Coachella Valley, Indio Hills, 1.4 mi north of Ramon Rd on Avita Rd (Avita is 2.8 mi east of I-10) 46 Comment
  UCR128170  Calamagrostis koelerioides Michael Honer 2003-5-15 1848 Riverside Santa Ana Mountains, Rainbow area, just north of San Diego County boundary and west of the I-15 Freeway 518 Comment
  UCR138643  Calandrinia ciliata D. L. Banks 1997-2-17 1272 Riverside Agua Tibia Mtns., NW Palomar Mountains: burned areas in the Temecula community of Redhawk, south of the intersection of Redhawk Parkway and Tehachapi Pass Road 396 Comment
  UCR98182  Calandrinia ciliata Scott D. White 1997-2-9 4679 Riverside Peninsular Range, Elsinore Basin; Temescal Valley: SW of Hwy I-15 between Indian Truck Trail and Lake Street exits, c. 0.5 mi east of Glen Eden 460 Comment
  CAS-BOT-BC483418  Calochortus invenustus H. M. Hall 1901-6-1 2297 Riverside In the vicinity of Strawberry Valley, San Jacinto Mountains 1828 Comment
  RSA369039  Calochortus palmeri var. munzii Robert L. Rutherford 1944-7-15 1593 Riverside Palms to Pines Highway. 1463 Comment
  RSA580942  Calochortus plummerae D. E. Bramlet 1994-6-16 2385 Riverside Lake Skinner County Park: in Tucalota hills area. Alongside existing equestrian trail, S of existing access road (BM 1487). 494 Comment
  RSA588987  Calochortus plummerae D. E. Bramlet 1994-6-16 2384 Riverside Lake Skinner County Park: in Tucalota hills area. Alongside existing equestrian trail, S of existing access road (BM 1487). 494 Comment
  RSA377463  Calochortus splendens N. C. Cooper 1949-6-29 4326 Riverside Idlewild, San Jacinto Mountains. 1524 Comment
  RSA660540  Calochortus splendens Orlando Mistretta 1992-6-10 512 Riverside Cleveland National Forest: Along old road coming off 3504 W of Sierra Peak. Head of road. Comment
  RSA794  Calycadenia tenella J. T. Howell 1928-7-9 1074 Riverside Head of San Juan Canyon. Elsinore Mountains 793 Comment
  POM9605  Calycadenia tenella I. M. Johnston 1920-5-8 s.n. Riverside Jurupa Mountains, extreme west end. Comment
  RSA543877  Calycoseris parryi Steve Boyd 1991-5-13 6243 Riverside Domenigoni Hills, N side of Domenigoni-Diamond Valleys ESE of Winchester. Vicinity of ultramafic outcrop on ridge top S of S-end of Warren Road 549 Comment
  SBBG7844  Calycoseris wrightii T. L. Secrest 1948-4-7 Riverside ca. 5 mi below Whitewater Comment
  SEINET222296  Calyptridium monandrum B. Ertter, J Strachan 1979-6-26 2984 Riverside Hwy 243 near Idylwild San Jacinto Mts Comment
  UCR101842  Calyptridium monandrum B. G. Pitzer 1997-4-1 3055 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  SEINET9098122  Calyptridium monandrum H. M. Hall 1903-1 3791 Riverside Sonoran Zone, vicinity of Riverside. 366 Comment
  SEINET3091115 Image available Calystegia longipes Peggy Merritt 1972-4-28 Riverside Canyon running N in dry granitic hills 1 mi S of intersec. of Alessandra Blvd. and Walnut St. 12 mi W of Riverside. Comment
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Aug 25 2013
  UCR47211  Calystegia macrostegia B. G. Pitzer 1987-3-2 0431 Riverside Peninsular Range, Bundy Canyon, c. 2 miles SE of Lake Elsinore, 0.5 mile north of Bundy Canyon Road off Raciti Rd. 703 Comment
  RSA0045158  Calystegia macrostegia Andrew Haimov, April Sleigh 1992-5-12 90 Riverside West side of Davis Road, 50 meters north of Allessandro Road, border of San Jacinto Wildlife Area. Comment
  RSA192221  Calystegia macrostegia subsp. arida E. W. Lathrop 1966-5-1 6232 Riverside 3 miles W of Murrieta Comment
  UCR116929  Camissonia A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24214 Riverside Perris-Aguanga Basin region, Hemet, SE of intersection of State Street and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley, 1 mi. SSW of Hemet Butte 513 Comment
  POM49675  Camissonia bistorta J. D. Abrams 1901-5-20 s.n. Riverside Elsinore. Comment
  RSA125547  Camissonia bistorta R. Weatherby 1949-5-13 406 Riverside Arlington. 152 Comment
  RSA465929  Camissonia bistorta Ora M. Clark 1959-4-6 1959 Riverside S. Hemet, sandy hillsides. Comment
  UCR3352  Camissonia bistorta T. R. Plumb 1964-4-23 s.n. Riverside Box Springs Mtns., Box Springs Mountain, 2 mi. SE of Dog Lady's house [old house near crest of range, c. 33 deg. 58' 53'N, 117 deg. 17' 28'W, along road from Pigeon Pass; later park ranger's house] on SE road fork 793 Comment
  UCR43755  Camissonia bistorta A. C. Sanders, B. Pitzer 1986-4-30 6489 Riverside San Jacinto Mtns, head of Bee Canyon along Bee Canyon Road, 1.7 mi. above mouth of canyon at the San Jacinto River Valley. 795 Comment
  UCR51021  Camissonia bistorta S. J. Myers 1988-2-24 s.n. Riverside Peninsular Range, Temescal Canyon, about 0.25 mi west of intersection of Hwy I-15 and Indian Truck Trail 381 Comment
  RSA485833  Camissonia boothii T. S. Elias 1988-2-26 10683 Riverside Joshua Tree. Northeastern section of Eagle Mountains east of Joshua Tree National Monument. Comment
  RSA781903  Camissonia boothii subsp. condensata Duncan S. Bell 2010-5-1 887 Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  UCR216495  Camissonia brevipes subsp. brevipes Jim Andre, T. La Doux 2009-3-10 11242 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
  RSA136656  Camissonia brevipes subsp. brevipes Peter H. Raven 1958-1-24 11436 Riverside Fargo Canyon, alluvial fan. Comment
  RSA466170  Camissonia californica M. B. Dunkle 1933-3-5 3075 Riverside Colorado Desert, Palm Springs. 91 Comment
  UCR156103  Camissonia californica T. B. Salvato, Kent Beaman 2005-5-16 849 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  RSA20301  Camissonia cardiophylla Roxana S. Ferris, Ruth P. Rossbach 1938-5-16 9569 Riverside Mecca Hills 2 miles up Painted Canyon. Comment
  UCR166848  Camissonia claviformis Chet McGaugh 2005-1-27 s.n. Riverside Sonoran (Colorado) Desert, E of Salton Sea, along Coachella Canal between siphons 26-27 NE of Dos Palmas Spring 24 Comment
  UCR241524  Camissonia claviformis A. C. Sanders, Ann Howald 2013-2-27 40547 Riverside Sonoran (Colorado) Desert, Coachella Valley, north of Ave. 70 near Cleveland St., 10 km SE (108 deg. ) of Mecca -40 Comment
  POM38527  Camissonia claviformis subsp. aurantiaca Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. Comment
  RSA135291  Camissonia claviformis subsp. aurantiaca William M. Klein 1958-2-14 143 Riverside 15.4 mi. n. of Midway Well on road to Blythe [Hwy 78]. Comment
  RSA449189  Camissonia claviformis subsp. aurantiaca Christopher Davidson 1979-4-4 7673 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  POM48988  Camissonia hirtella P. A. Munz, I. M. Johnston 1924-7-29 8847 Riverside Poppet Flat, San Jacinto Mts. 1524 Comment
  UCR240653  Camissonia hirtella Tracy Tennant, Mitch Provance 1998-6-16 MOR- 406 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1052 Comment
  SEINET273116  Camissonia pallida G. K. Helmkamp, AC Sanders 1997-3-15 1501 Riverside Skinner Lake; Grassland at base of Bachelor Mtn and adjoining chaparral. UTM 10km cell; 11SMH-9E 1N Skinner Reservoir 488 Comment
  RSA186574  Camissonia pallida subsp. hallii Peter H. Raven 1962-4-7 17109 Riverside Whitewater Canyon 2.7 miles from U.S. Highway 70-99. Comment
  RSA718877  Camissonia pallida subsp. pallida Michael Honer, L. Hulse 2005-3-7 2028 Riverside Blind Canyon; appx. 1/2 mi. N of Desert Hot Springs. 488 Comment
  SEINET3093216 Image available Camissonia refracta P. Leary 1975-3-13 992 Riverside Pinto Mountains, Joshua Tree National Monument. Comment
  UCR88119  Camissonia refracta A. C. Sanders, G. Nuhn 1995-4-20 16584 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
  POM99019  Camissonia refracta E. C. Jaeger 1926-3-26 s.n. Riverside Eagle Mts. Comment
  POM157904  Camissonia strigulosa P. A. Munz 1927-5-20 10817 Riverside 10 miles south of Hemet. Comment
  RSA454105  Camissonia strigulosa N. C. Cooper 1945-5-24 1644 Riverside Big Oaks Canyon, Banning. 1220 Comment
  RSA716402  Camissonia strigulosa Scott D. White, Angelia Carey 2004-4-5 10012 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  UC354497  Camissonia strigulosa Edmund C. Jaeger 1925-5-10 Riverside Van de Venter's Flat Santa Rosa Mountains 1280 Comment
  UC56459  Camissonia strigulosa H. M. Hall Apr. 1903 3842 Riverside Moreno Valley Comment
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Mar 20 2011
  SDSU3334  Camissoniopsis bistorta H. Wedberg 1958-4-4 228 Riverside 6.3 miles south of Barton Road on Reche Canyon Road, south of Loma Linda. 619 Comment
  SD133055  Camissoniopsis hirtella Scott White 1991-5-13 91 93 Riverside Highway 79, immediately west of U. S. Forest Service Campground at Dripping Sprins. 548 Comment
  UC874054  Camissoniopsis hirtella P. A. Munz 1922-7-1 5940 Riverside Santa Rosa 1889 Comment
  UCR260856  Camissoniopsis hirtella A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41425 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  CAS-BOT-BC160539  Camissoniopsis lewisii Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 4043 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Sta. 609 Comment
  UC1922490  Camissoniopsis pallida Scott D. White 2005-3-29 10848 Riverside San Gorgonio Pass: Cabazon. Alluvial fan and benches west of San Gorgonio river and south of I-10 Freeway. West of existing gravel quarry, likely to be proposed for quarry expansion. Comment
  UC668352  Camissoniopsis pallida subsp. pallida Annie M. Alexander and Louise Kellogg 1941-4-22 2059 Riverside top of Morongo Pass Mohave Desert, Morongo Valley Gorge 701 Comment
  CSUSB652  Cardamine californica S. Crum 1966-3-20 S. N. Riverside About 20 miles from western turn on Tenjada Rd. in Santa Ana Mountians. In dense Chaparral, in moist soil especially along the steep banks of the road cut. 1219 Comment
  RSA180316  Cardamine californica var. integrifolia E. W. Lathrop 1959-3-26 4364 Riverside 18 miles W of Elsinore, Tenaja Guard Station, Cleveland National Forest Comment
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Apr 28 2011
  SDSU13521  Carex barbarae W. Miller Riverside Comment
  CAS-BOT-BC20708  Carex fracta Peter Kamb 1948-7-3 1138 Riverside San Jacinto Mountains. Hall Canyon. 1645 Comment
  CAS-BOT-BC21915  Carex heteroneura H. E. Hasse 1903-6-1 s.n. Riverside Round Valley. S. Jacinto Mountain. 2895 Comment
  UC837255  Carex nebrascensis P. A. Munz 1922-9-6 6393 Riverside Round Valley San Jacinto Mts. 2743 Comment
  UCR199641  Carex praegracilis Scott D. White, Justin M. Wood 2008-4-3 11795 Riverside Perris/Elsinore Basin, Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon 'Morgan' Property, Alberhill area 366 Comment
  RSA561509  Carex senta Steve Boyd, Timothy S. Ross, David E. Bramlet 1992-9-9 7664 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Alamos Road (7S04)., At the confuluence of Los Alamos Creek, up the San Mateo Trail north to Potrero de la Cienega 396 Comment
  UCR23673  Carthamus tinctorius John C. Roos 1965-7-7 s.n. Riverside San Bernardino/San Jacinto Mtns, Beaumont Comment
  UCD105617  Cassia nemophila A. C. Sanders; K. C. Rose 1999-5-28 22794 Riverside Coachella Valley: between La Quinta and Indio, along Jefferson St. between Ave 54 and I-10. 10 Comment
  SEINET10476945  Castanopsis sempervirens David B. Dunn 1946-8-17 Dunn 2713 Riverside Trail to taquity from taquity valley campground, on dry hillside among bracken Fern. San jacino mts. Comment
  UCR240274  Castela emoryi Duncan S. Bell 2009-10-10 505 Riverside Sonoran (Colorado) Desert, Arica Mountains, east side of the mountain range; west side of Rice Valley; c. 5 air miles SE of the ghost town of Rice 211 Comment
  JEPS44393  Castilleja applegatei subsp. martinii Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4272 Riverside about 1 mi below Santa Rosa Mountain rd jct with spur to Santa Rosa Springs Comment
  UC1012299  Castilleja applegatei subsp. martinii F. W. Pennell and A. L. Grant 1940-4-28 25283 Riverside w slope San Jacinto Range (Route 74) 1402 Comment
  RSA0010922  Castilleja densiflora subsp. densiflora J. C. Roos 1952-4-16 5558 Riverside Box Springs Mountains, Pigeon Pass. 396 Comment
  RSA773670  Castilleja exserta Duncan S. Bell, Valentin Arvizu 2010-5-24 1093 Riverside San Bernardino National Forest: Garner Valley, approximately 2.7 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1387 Comment
  UCR241179  Castilleja exserta Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 47 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Canyon above woodland stand H-01, toward Burro Flat 951 Comment
  UCR269903  Castilleja exserta D. E. Bramlet, Amy Hills, R. E. Riefner Jr., Russell Huddleston 2005-3-2 3660 Riverside Perris-Agunaga Basin Region; San Jacinto Valley, west of Hemet, east of San Diego Canal, west of Warren Rd., south of Hwy 74, north of W Stetson Ave. 457 Comment
  RSA757635  Castilleja exserta subsp. exserta LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4319 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
  POM293613  Castilleja foliolosa Lyman D. Benson 1945-4-6 11661 Riverside Whitewater Canyon, 3 miles above Whitewater. 427 Comment
  SEINET269560 Image available Castilleja foliolosa Scott D. White 1996-5-27 4073 Riverside Jackrabbit Canyon: east of Moreno Valley and south of Calimesa between State highway 60 and gilman Spring Road West and 518 Comment
  UCR110968  Castilleja minor George K. Helmkamp 1998-6-27 4099 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  UCR95963  Castilleja minor subsp. spiralis Scott D. White 1996-8-1 4424 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  RSA0010916  Castilleja minor subsp. spiralis Philip A. Munz, I. M. Johnston 1924-7-29 8826 Riverside 5 miles SE of Poppet Flat, San Jacinto Mtns. 1524 Comment
  RSA49352  Caulanthus cooperi P. A. Munz 1949-4-11 13014 Riverside Near Conejo Well, north base of Eagle Mts 915 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
  UC597600  Caulanthus hallii Philip A. Munz 1937-5-30 15093 Riverside nw slope Santa Rosa Mts.; nw slope Santa Rosa Mts. 1828 Comment
  RSA523519  Caulanthus heterophyllus Steve Boyd, Timothy S. Ross, L. Arnseth, J. Bonilla 1990-4-2 3978 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  SD152903  Caulanthus heterophyllus Steve Boyd, Tim Ross and Orlando Mistretta 1992-2-26 6700 Riverside Santa AnaMountains, San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  UCR78335  Caulanthus lasiophyllus D. E. Bramlet 1993-4-13 2323 A Riverside Approx. 61 m south of the existing Lake Matthews access road, c. 549 m north of Cajalco Road, in the 'Cajalco bend' area, 1.2 km west of Lake Matthews 434 Comment
  UCR95442  Caulanthus lasiophyllus var. rigidus Steve Boyd, D. E. 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, north of 'Marsh A 433 Comment
  JEPS29489  Caulanthus simulans Lauramay T. Dempster 1962-4-18 1901 Riverside Palms-to-Palms Highway Pinyon Flats (Pinyon Flats) 1066 Comment
  UC1611558  Ceanothus Steve Boyd, Chris Frazier 1993-4-24 8013 Riverside Palomar Range s of Vail Lake (at n base of Agua Tibia Mt., Agua Tibia Wilderness Area, Cleveland National Forest, along trail extending s from end of Woodchuck Road); Palomar Range, Cleveland Nat'l Forest, Agua Tibia Mt. 1000 Comment
  RSA0019602  Ceanothus cordulatus J. R. Bruff 1934-7-5 s.n. Riverside San Jacinto. [Presumably collected in San Jacinto Mtns., not in City of San Jacinto] 2439 Comment
  RSA562618  Ceanothus crassifolius Steve Boyd, Tim S. Ross 1993-3-1 7722 Riverside Vail Lake area, ridge about 1 mile west of the lake, east of ''Little'' Oak Mountain. 610 Comment
  RSA583364  Ceanothus crassifolius Steve Boyd, Darin Banks 1995-4-5 8417 Riverside Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the eastern edge of the Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary. 579 Comment
  RSA779956  Ceanothus crassifolius Dylan O. Burge 2007-3-20 799 -c Riverside Agua Tibia Area Cleveland National Forest .66 road miles (1.05 km) from Woodchuchk Road on an abandoned fire road accessed via Woodchuck parking 0.93 road miles (1.49 km) from Hwy 79 site is 12.7 km 274 degrees (True) WNW of Aguanga 660 Comment
  UCD111427  Ceanothus crassifolius Frank W. Gould 1944-4-4 2216 Riverside 10 miles southeast of Temecula on Highway 71. Comment
  SBBG105071  Ceanothus crassifolius var. crassifolius S. Boyd with T. Ross 1993-3-23 Riverside Palomar Range S of Vail Lake, N base of Agua Tibia Mtn, along trail extending S from end of Woodchuck Rd Comment
  RSA399036  Ceanothus cuneatus Bonnie C. Templeton 1931-4-23 s.n. Riverside Gavilan Peak. 600 Comment
  SD82811  Ceanothus greggii var. perplexans R. S. Woglum 1937-5-22 577 Riverside Santa Rosa Mountains Comment
  GMDRC6557  Ceanothus leucodermis J. M. Andre 2012-6-15 30511 Riverside San Jacinto Mountains: along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest 1172 Comment
  POM250392  Ceanothus leucodermis I. W. Clokey, E. G. Anderson 1935-8-21 6737 Riverside Fuller's Creek, San Jacinto Mountains 1500 Comment
  POM48899  Ceanothus leucodermis P. A. Munz, I. M. Johnston 1924-7-29 8856 Riverside 7 mi SE of Poppet Flat, San Jacinto Mts. 1524 Comment
  RSA82948  Ceanothus leucodermis R. M. Straw 1953-6-5 450 Riverside Fuller Mill Creek camp, Idyllwild-Banning Rd. Comment
  UCR166154  Ceanothus leucodermis T. B. Salvato, John F. Green 2004-5-27 560 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1402 Comment
  SEINET11191779  Ceanothus leucodermis D. Atwood 1993-3-26 17680 Riverside Sanat Ana Mountains, 4.8 miles S of Lake Elsinore along Hwy. 74. 808 Comment
  RSA674954  Ceanothus oliganthus Scott D. White, Teresa Salvato 2001-6-8 8566 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  SD137646  Ceanothus ophiochilus Steve Boyd, Darin Banks 1995-2-16 8404 Riverside Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain on break in slope on ridegline east of the upper end of the old Woodchuck Truck Trail road grade, just north of San Diego County line 1096 Comment
  UCR103390  Ceanothus ophiochilus Steve Boyd, K. A. Boyd 1993-3-28 7914 Riverside Palomar Mountains, Palomar Range south of Vail Lake at the N base of Agau Tibia Mt., Agua Tibia Widerness area, Cleveland National Forest. Along trail extending S from end of Woodchuck Rd 884 Comment
  RSA221090  Ceanothus palmeri E. W. Lathrop 1966-3-30 6120 Riverside Mail Divide Truck, Trail between El Carriso and Santiago Peak, Cleveland Nat'l Forest 1220 Comment
  UCSB3903  Ceanothus perplexans Keator, Glenn 1959-5-17 Riverside Pinon flats near Colorado desert on Palms to Pines highway. Comment
  SEINET13946084 Image available Ceanothus sorediatus Dave Hawks 1987-1 s.n. Riverside S. of Hemet, intersection of Palm Ave. and Saddle Ridge Trail. 472 Comment
  CDA31194  Ceanothus tomentosus Mike Lahti 2010-3-3 PDR# 1358656 Riverside Approximately, 8 miles south of Hemet at Sage Road and Red Mountain Road. 0 Comment
  UCR114952  Ceanothus tomentosus subsp. olivaceus D. E. Bramlet 1999-4-10 2733 Riverside Bachelor Mountain, along the dirt road to Bachelor Mtn., plateau some 305 m east of the peak, 1.48 km north of Lake Skinner. 738 Comment
  RSA535466  Ceanothus tomentosus var. olivaceus Steve Boyd, Tim S. Ross, Orlando Mistretta 1992-2-2 6651 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Lower half of Tenaja Cyn, especially about Fishermans Camp. Comment
  UCR112478  Cenchrus echinatus A. C. Sanders, Mitch Provance, T. B. Salvato 2000-4-18 23326 Riverside Coachella Valley, along Dillon Rd. at junction with Tyler, north of I-10, east of Indio and north of Coachella 5 Comment
  UC1131362  Cenchrus longispinus H. S. Yates 1937-6-28 6734 Riverside Palm Springs; San Jacinto Quad. Comment
  UCR274198  Centaurea melitensis T. B. Salvato, Melissa Clemons 2005-6-6 1417 Riverside Peninsular Range, Gavilan Hills, c. 0.75 mile south-southeast of Steele Peak, 0.6 mile E of Hammack Ranch, and 5 miles north-northeast of Lake Elsinore 579 Comment
  UCR238750  Centaurea solstitialis John F. Green 2012-9-11 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, between Perris and March Air Base, Harvill Ave. at Markham St., just west of I-215 Fwy 464 Comment
  UC444846  Centaurium venustum Fred M. Reed 1903-8-29 435 Riverside near Chinatown (Riverside and vicinity); Riverside, Santa Ana River Comment
  UCR130713  Centaurium venustum George K. Helmkamp, E. A. Helmkamp 1998-6-27 4079 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  UCR21550  Centaurium venustum W. W. Mayhew 1980-7-18 s.n. Riverside Santa Rosa Mtns., 1 mi. south of Hwy 74 on the road to Santa Rosa Peak. 1585 Comment
  OBI16250  Centromadia pungens subsp. laevis Robert F. Hoover 1968-6-6 11150 Riverside 1 mi East of Perris Comment
  RSA741552  Centromadia pungens subsp. laevis Justin M. Wood 2008-11-5 220 Riverside Murrieta Creek- 2 miles SE of Murrieta, open field N of Winchester Rd and between the creek and Jefferson Ave. 314 Comment
  SD134523  Centromadia pungens subsp. laevis Craig Reiser 1990-6-10 Riverside Adjacent to Temecula Creek within urban Temecula Comment
  UCR31300  Cerastium glomeratum A. C. Sanders, Theo Glenn 1983-4-17 3738 Riverside Santa Ana Mtns., Mesa de Colorado, 5 mi (airline) SW of Murrieta 612 Comment
  RSA232956  Cercidium floridum D. A. Young 1969-4-18 P- 320 Riverside 3 miles SE of Hwy 74 ( approx. 8 miles S of Palm Desert, Cali.) on Carriage Trail road near the Deep Canyon Research Station. 366 Comment
  UCR35165  Cercocarpus betuloides L. B. Ziegler 1969-7-30 392 Riverside San Jacinto Mountains, Thomas Mtn on N slope 1463 Comment
  CAS-BOT-BC135576  Cercocarpus ledifolius var. ledifolius H. M. Hall 1901-7-1 2585 Riverside In rocky places; vicinity of Tamarack Valley - San Jacinto Mountains 2499 Comment
  RSA519237  Chaenactis artemisiifolia Ed LaRue 1989-4-26 s.n. Riverside 2 mi. (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  UCR120661  Chaenactis artemisiifolia D. E. Bramlet, P. Jacks, S. Goode 1989-4-6 1808 Riverside Perris-Aguanga Basin, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  CAS-BOT-BC276386  Chaenactis carphoclinia Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  UCR241525  Chaenactis carphoclinia A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40645 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit 410 Comment
  CHSC106490  Chaenactis carphoclinia var. carphoclinia T. Stoughton; J. McConnaughy, D. Monks, M. volke 2010-4-21 154 Riverside Colorado Desert; Little San Bernardino Mountains region: N of Desert Center, Jct of Hwy 177 and Kaiser Rd. W of Kaiser Rd. N of Hwy 177. 335 Comment
  LA203117  Chaenactis carphoclinia var. carphoclinia A. M. Johnson; 1928-5-5 360 Riverside Painted Canyon Comment
  RSA735324  Chaenactis carphoclinia var. carphoclinia Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11291 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  RSA776820  Chaenactis carphoclinia var. carphoclinia Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-28 1093 Riverside Chuckwalla Mountains, Corn Springs Road; Road crossing of main wash that drains Chuckwallas to the east toward the Chuckwalla Bench 427 Comment
  RSA795744  Chaenactis carphoclinia var. carphoclinia J. Andre 2012-3-19 21312 Riverside Orocopia Mountains; north end of range, 0.5 miles south of junction of Box Canyon Road and I-10 freeway, 23 miles east of city of Coachella. 488 Comment
  JEPS8867  Chaenactis fremontii W. L. Jepson 1901-5-22 1501 Riverside upper end Palm Canyon 1219 Comment
  RSA0034950  Chaenactis fremontii A. Lee Haines 1973-3-25 s.n. Riverside Orocopia Mtns. Comment
  RSA750743  Chaenactis glabriuscula Scott D. White, Justin M. Wood 2009-5-22 12910 Riverside San Jacinto Mountains: Idyllwild area; 'Strawberry Fuelbreak' between Strawberry Creek and road to sewage ponds. Comment
  UCR59522  Chaenactis glabriuscula Steve Boyd, T. Ross, L. Arnseth 1989-6-4 3608 Riverside Butterfield Valley, Vail Lake area, Kolb Creek drainage, N extension of Woodchuck Road, north of Hwy 79 489 Comment
  UCR87637  Chaenactis glabriuscula A. C. Sanders 1994-5-29 14546 Riverside San Bernardino Mtns, Morongo Indian Reservation, low pass between Millard Canyon and Potrero Creek 793 Comment
  SEINET7450233 Image available Chaenactis glabriuscula G. R. Hall 1905-1 8486 Riverside Riverside. Comment
  UCR96275  Chaenactis glabriuscula var. glabriuscula Kathleen Stockwell 1996-6-5 s.n. Riverside Warm Springs Creek, near Murrieta. Along creek, just SE of Hogbacks 328 Comment
  RSA0103446  Chaenactis glabriuscula var. lanosa Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8564 Riverside Garner Valley; west side of the highway, approximately 3.75 air miles southeast of Lake Hemet. 1370 Comment
  SEINET2029696 Image available Chaenactis glabriuscula var. lanosa C. L. Hitchcock 1940-4-12 6038 Riverside 8 miles northwest of Elsinore Comment
  UCD130434  Chaenactis parishii Victor Duran 1933-7-1 3492 Riverside near Santa Rosa, Santa Rosa Mountains. 1828 Comment
  RSA695676  Chaenactis stevioides J. Russell Bruff 1928-4-3 179 Riverside 13 miles W of Desert Center. Comment
  UC494758  Chaenactis stevioides C. L. Hitchcock 1932-4-8 12215 Riverside 1 mi w of Cottonwood Spring Comment
  RSA234107  Chaenactis stevioides var. brachypappa R. F. Thorne, R. Carolin 1967-3-21 41637 Riverside Joshua Tree National Monument: Cottonwood Springs. 915 Comment
  POM311389  Chaenactis stevioides var. stevioides Diana plainer 1958-3-30 150 Riverside Joshua Tree National Monument, off main road, toward Cottonwood Springs, S of park at base of hills. Eagle Mts. 457 Comment
  JOTR34148  Chaenactis xantiana La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler, D. Shade 2011-4-26 3164 Riverside Joshua Tree National Park. Pleasant Valley, south of Gold Coin mine complex; mud flats and sandy hummocks on valley floor (Stop 5) 959 Comment
  UCR34885  Chaetopappa aurea L. B. Ziegler 1969-6-3 311 Riverside San Jacinto Mtns, Thomas Mtn. 1835 Comment
  RSA770642  Chamaesyce R. F. Thorne 1966-10-15 41792 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  JEPS51880  Chamaesyce albomarginata W. L. Jepson 1912-11-1 5621 Riverside Palo Verde Valley, Blythe 82 Comment
  RSA435983  Chamaesyce albomarginata Anstruther Davidson 1893-4-12 s.n. Riverside Palm Springs. Comment
  UC71990  Chamaesyce albomarginata Miss M. A. King 1893-1 Riverside Menifee Comment
  RSA793559  Chamaesyce micromera Duncan S. Bell 2012-9-13 4175 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 Comment
  CHSC39253  Chamaesyce polycarpa M. O. Dillon; E. Rodriguez 1977-1-29 796 Riverside Ca. 1 mi. E of Mecca. Mojave Desert. Comment
  RSA781804  Chamaesyce polycarpa Duncan S. Bell 2010-5-1 s.n. Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  SBBG4028  Chamaesyce polycarpa H. and M. Dearing 1941-11-23 4774 Riverside near Cathedral City Comment
  SFV7071  Chamaesyce polycarpa T. Gordon, K. A. Wilson, M. H. Grayum, K. Felt 1974-11-16 771 Riverside Big Wash, just north of Quien Sabe Point at east end of county. 116 Comment
  RSA433505  Chamaesyce polycarpa var. polycarpa M. B. Dunkle 1933-3-3 3029 Riverside Devils Cactus Garden, Colorado Desert 152 Comment
  POM8325  Chamaesyce serpillifolia H. M. Hall 1904-5-24 4961 Riverside Santa Ana river near Riverside. 244 Comment
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Nov 24 2016
  UC399599  Cheilanthes clevelandii I. M. Johnston 1918-4-3 1829 Riverside San Jacinto Canyon; San Jacinto Mts 685 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
  POM11987  Cheilanthes covillei E. C. Jaeger 1922-8-20 1006 Riverside Long Valley to Palm Springs 2133 Comment
  POM12945  Cheilanthes covillei P. A. Munz, I. M. Johnston 1922-5-19 5400 Riverside San Jacinto Canyon, about rocks at mouth of Strawberry Creek. 823 Comment
  UC254450  Cheilanthes covillei W. G. Wright March, 1881 Riverside Whitewater Comment
  CAS-BOT-BC68092  Cheilanthes parryi John Thomas Howell 1927-8-1 2886 Riverside N. Colorado Desert - steep sides of Morongo Canyon 609 Comment
  IRVC3135  Cheilanthes parryi R. H. Whittaker 1963-6-5 SJ 224 Riverside Palms to Pines Highway. Peninsular Ranges, Santa Rosa Mountains 396 Comment
  RSA678351  Cheilanthes parryi Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10466 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
  RSA775310  Chenopodium Duncan S. Bell 2011-3-20 s.n. Riverside Orocopia Mountains; on the southeast side of the mountain range near Red Canyon. 429 Comment
  UCR99875  Chenopodium album Scott D. White 1996-12-26 4642 Riverside Perris Basin, Perris area 442 Comment
  RSA192156  Chenopodium ambrosioides E. W. Lathrop 1966-5-15 6310 Riverside 3 miles SE of Murrieta on the De Luz Road. Comment
  RSA594121  Chenopodium californicum D. L. Banks, Victor Steinmann 1996-4-20 884 Riverside NW Palomar Mountains; Agua Tibia Mountains; N face of Dorland Mtn., on the W side of the Dorland Mountain Arts Colony; Along the road to the Dorland Mountain Arts Colony, approximately 100 m S from its junction with Hwy. 79., Area just north of Sec.19. 484 Comment
  UC1537379  Chenopodium californicum Gordon H. True Jr. 1935-3-14 102 Riverside Gavilan Hills 609 Comment
  POM121941  Chenopodium murale Marcus E. Jones 1903-5-8 s.n. Riverside Indio. -7 Comment
  RSA653338  Chenopodium pratericola Mitch Provance 2000-9-18 2265 Riverside Riverside: Prenda area, S side of Hermosa St., about 0.25 mile west of the intersection with Washington St., 33 deg 54' 02.5'' N, 117 deg 23'14.3'' W 185 Comment
  CAS-BOT-BC231789  Chilopsis linearis Nancy Ryan Zabriskie; Walter Zabriskie 1970-3-28 275 Riverside In dry stream bed of North Canyon just above juncture with Andreas Canyon; east slope San Jacinto Mountains 350 Comment
  UCD121654  Chilopsis linearis subsp. arcuata Geoffrey Levin 1976-10-17 1165 Riverside Box Canyon, about 11 mi east of Mecca. Mt Range: Mecca Hills. Drainage Area: Salton Sea Basin. 91 Comment
  UCR148471  Chorizanthe brevicornu S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 10 miles ESE of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 20 Comment
  UCR213385  Chorizanthe brevicornu A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37444 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
  JOTR16806  Chorizanthe brevicornu var. brevicornu Vanderspek & Youse 1964-4-19 s.n. Riverside Joshua Tree National Park. WILSON CANYON Comment
  UCR263483  Chorizanthe coriacea A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41447 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  RSA65184  Chorizanthe corrugata F. W. Peirson 1926-2-22 6509 Riverside Thousand-Palms Canyon. 152 Comment
  RSA228825  Chorizanthe fimbriata C. W. Tilforth 1969-7-27 229 Riverside Along State Hiway 74, 9.4 west of jct. with Grand Ave., Lake Elsinore. Comment
  RSA674955  Chorizanthe fimbriata Scott D. White, Teresa Salvato 2001-6-8 8565 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  SEINET7072851  Chorizanthe fimbriata A. G. Vestal 1963-5-20 s.n. Riverside Long Valley Road at Tececula and at the junction with Route 395 (115). Coordinate datum: WGS84/NAD83. (33? deg. 30' 3" North Latitude, -117? deg. 9' 3" West Longitude, Coordinate datum: NAD27.). Comment
  SDSU4926  Chorizanthe fimbriata var. fimbriata H. Wedberg 1962-5-23 933 Riverside 4.8 miles from Hwy 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
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Jan 24 2013
  UCR205450  Chorizanthe leptotheca Diane Menuz 2008-6-19 465 Riverside Peninsular Ranges: San Jacinto Mts, Garner Valley; c 0.3 mi east of Hwy 74, north of Morris Ranch Rd 1374 Comment
  CLARK-A1528-3602  Chorizanthe parryi John C. Roos 1950-5-27 4819 Riverside Reche Canyon 761 Comment
  SBBG37953  Chorizanthe parryi var. parryi T. L. Secrest 1948-4-7 Riverside above Whitewater 304 Comment
  UCR199923  Chorizanthe parryi var. parryi Scott D. White, Justin Wood 2008-4-16 11885 Riverside Perris/Elsinore Basin, hills to the west of I-215 and south of Scott Rd. 549 Comment
  UCR215794  Chorizanthe parryi var. parryi Anuja Parikh 1990-4-27 161 Riverside southwest of Crown Valley, west of Rawson Canyon, 1.7 km southwest of the intersection of Crown Valley Road and Rawson Road 666 Comment
  RSA588985  Chorizanthe polygonoides var. longispina D. E. Bramlet 1995-4-25 2395 Riverside Shipley reserve/SE corner of Lake Skinner Co. Park. Site is saddle overlooking Upper Part of Long Canyon. approximpatly 488m. SE of the park entrance road and adjacent (N.) of the equestrian trail. 526 Comment
  RSA593799  Chorizanthe polygonoides var. longispina Jeri Hirshberg 1995-5-19 273 Riverside San Jacinto Mountains, Garner Valley. Comment
  UCR120656  Chorizanthe polygonoides var. longispina D. E. Bramlet, P. Jacks, S. Goode 1989-4-4 1783 Riverside Perris-Aguanga Basin Region, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  UCR31330  Chorizanthe polygonoides var. longispina A. C. Sanders 1980-5-1 1365 Riverside San Jacinto Mountains, Garner Valley. Dry bench above valley floor 0.25 mi NW of Kenworthy Ranger Station 1433 Comment
  UCR97276  Chorizanthe polygonoides var. longispina D. E. Bramlet 1995-4-26 2400 Riverside Perris-Aguanga Basin region, Lake Skinner County Park, S facing slope adjacent (N) of the water tank maintenance road (road from BM 1487), c. 671m east of the entrance road, at junction of maintenace road and road to Tucalota Creek 476 Comment
  CAS-BOT-BC246234  Chorizanthe rigida John H. Thomas 1957-3-30 6530 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
  CAS-BOT-BC36263  Chrysolepis sempervirens Louis C. Wheeler 1931-10-3 239 Riverside 1/2 mi. NE Tahquitz Peak, San Jacinto Mts. 2590 Comment
  POM296660  Chrysothamnus paniculatus L. S. Rose 1946-12-25 46307 Riverside 5 miles east of Cabazon, San Gorgonio Pass. Comment
  SBBG5098  Chylismia brevipes K. K. Muller 1958-3-22 916 Riverside Hwy 60, 7 mi E of Desert Center Comment
  UCSB22528  Chylismia brevipes Shaw, M. 1964-4-5 Riverside Dirt road, 1.5 miles east of junction of State Highway 195 and turnoff to U.S. Highway 70 to Joshua Tree National Monument 594 Comment
  UCR244295  Chylismia cardiophylla subsp. cardiophylla Jim Andre 2012-4-16 20878 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd., 1.0 mi. north of south entrance to J.T.N.P. 584 Comment
  SBBG35577  Chylismia claviformis D. Myrick 1966-4-1 1339 B Riverside slope adjoining Linda Vista Lodge, Desert Hot Springs Comment
  UCR269838  Chylismia claviformis A. C. Sanders, Jim Malusa 2016-3-18 42380 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  CAS-BOT-BC160592  Chylismia claviformis subsp. aurantiaca L. A. Greata 1905-4-1 s.n. Riverside [Coachilla] Coachella Comment
  CAS-BOT-BC160637  Chylismia claviformis subsp. aurantiaca J. H. Thomas 1949-4-22 420 Riverside 7 miles east of [Blyth] Blythe Comment
  SD215581  Chylismia claviformis subsp. aurantiaca W. Wisura, J. Dolan and M. Wall 1992-3-24 4618 Riverside 5.5 miles northeast of Mecca on Box Canyon Road. Comment
  UC1004763  Chylismia claviformis subsp. aurantiaca Edmund C. Jaeger 1939-12-3 Riverside wash Orocopia Mts. 365 Comment
  UC635281  Chylismia claviformis subsp. aurantiaca H. L. Mason 1928-3-10 4182 Riverside Whitewater River Comment
  POM306147  Cirsium occidentale var. californicum Henry J. Ramsey, Henry J. Ramsey 1937-5-30 1338 Riverside Santa Rosa Mountains. Comment
  UCR165605  Cirsium occidentale var. californicum T. B. Salvato, John F. Green 2004-5-27 707 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
  RSA776190  Cistanthe ambigua Amber Swanson, Duncan S. Bell 2011-3-10 207 Riverside Mecca Hills, E of Painted Cyn Rd Comment
  RSA733814  Cistanthe monandra Keith E. Hoffmaster 1935-3-31 569 -343 Riverside Palm Springs Comment
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Aug 27 2011
  RSA615135  Citrus sinensis A. C. Sanders 1997-3-2 19774 Riverside N of Spruce St between the RR and the Gage Canal. near foot of Box Springs Mtns. 305 Comment
  CLARK-A1528-641  Clarkia cylindrica I. Rauch 1968-5-14 Riverside Santa Ana River Comment
  CAS-BOT-BC172565  Clarkia purpurea subsp. purpurea A. C. Sanders 1997-5-1 20612 Riverside Lake Skinner area, north foot and lower slopes of Black Tmn., edge of Crown Valley on E side of Rawson Canyon 670 Comment
  RSA1560  Clarkia purpurea subsp. quadrivulnera J. T. Howell 1928-7-9 1073 Riverside Head of San Juan Canyon. Elsinore Mountains 793 Comment
  RSA503426  Clarkia purpurea subsp. quadrivulnera J. D. Olmsted 1962-5-10 3668 Riverside West of crest between Sandia and DeLuz Creeks along Murrieta to DeLuz Road. 206 Comment
  RSA652936  Clarkia purpurea subsp. quadrivulnera A. C. Sanders 1997-5-1 20612 Riverside Lake Skinner area: north foot and lower slopes of Black Mtn., edge of Crown Valley on E side of Rawson Canyon 671 Comment
  RSA726825  Clarkia purpurea subsp. quadrivulnera Steve Boyd, Aydee Virgen 2004-4-13 10875 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UC76443  Clarkia purpurea subsp. quadrivulnera Miss M. Alice King April 1893 Riverside Menifee Comment
  RSA748334  Clarkia rhomboidea Justin M. Wood, Brandy Wood 2009-6-13 886 Riverside Idyllwild County Park, Lilly Creek and adj slope to W of campground. 1585 Comment
  UCR81098  Clarkia rhomboidea Scott D. White 1993-5-29 1454 Riverside San Bernardino Mtns, Banning Canyon along the road to Raywood Flat, Yucaipa Ridge 1341 Comment
  UCR213472  Clarkia unguiculata A. C. Sanders 2010-5-19 38417 Riverside Peninsular Range/San Bernardino Valley, Riverside, western end of North Hill, edge of Fairmont Park, above intersection of Redwood Dr. and Randall Rd. 250 Comment
  RSA5006  Claytonia parviflora subsp. parviflora Dorothy R. Wolf 1932-3-20 6 Riverside Richman Ranch 2.5 mi N of De Luz. SW Riverside County 457 Comment
  RSA708074  Claytonia parviflora subsp. parviflora Scott D. White, Angelia Carey 2004-4-16 10182 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 Comment
  JOTR30648  Claytonia parviflora subsp. utahensis La Doux, Tasha, Erin Babich 2008-4-21 1808 Riverside Joshua Tree National Park. Stop 7- Little San Bernardino Mountains, Upper East Deception Canyon 1327 Comment
  UC9078  Clematis ligusticifolia H. M. Hall 1901-7-20 2528 Riverside water courses in vicinity of Strawberry Valley; San Jacinto Mts. 1615 Comment
  POM302502  Clematis pauciflora J. C. Roos 1943-3-13 2592 Riverside Reche Canyon, off San Bernardino valley. Comment
  RSA0119895  Clematis pauciflora Duncan S. Bell, Thomas Stoughton 2016-4-12 9225 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 3.5 air miles northwest of Rabbit Peak. 967 Comment
  UCR89875  Clematis pauciflora Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3342 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  RSA440822  Cleome isomeris M. B. Dunkle 1932-3-25 s.n. Riverside Cabazon. Colorado desert. 457 Comment
  CLARK-A1528-1779  Cnicus benedictus John C. Roos 1937-4-17 1358 Riverside San Timoteo Canyon Comment
  SDSU9011  Coleogyne ramosissima Joan Godsil 1953-1-18 552 Riverside Joshua National Monument, 29 Palms to Cottonwood Springs Hwy. 1099 Comment
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Jan 24 2013
  RSA0030789  Collinsia concolor N. C. Cooper 1944-5-20 1290 Riverside Palms to Pines Highway [Hwy. 74], San Jacinto Mountains. 1372 Comment
  RSA192317  Collinsia heterophylla E. W. Lathrop 1965-5-9 5724 Riverside 6 miles W of Murrieta. Comment
  RSA343114  Collinsia heterophylla var. heterophylla Robert F. Thorne, Walter Wisura, Earl Lathrop, Sara Meury 1985-5-18 60661 Riverside Santa Rosa Plateau: at edge of Cleveland National Forest. 610 Comment
  UCR14976  Colubrina californica A. C. Sanders 1976-5-21 578 Riverside Sonoran (Colorado) Desert, McCoy Spring, McCoy Mtns. Comment
  SBBG104075  Condea emoryi A. C. Sanders, E. J. Lawlor 1992-4-4 12113 Riverside within 0.5 mi of McCoy Spring; slopes below and to the south and cyn bottom 243 Comment
  UCR145974  Conyza canadensis June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  RSA786957  Cordylanthus filifolius Robert F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49542 Riverside Santa Ana Mountains: along Ortega Highway (74), perhaps 1/4 mile west of El Cariso Comment
  RSA78304  Cordylanthus nevinii Philip A. Munz, E. K. Balls 1952-8-21 17976 Riverside Santa Rosa Spring, Santa Rosa Mts. 2134 Comment
  SD225115  Cordylanthus nevinii Scott D. White 1996-8-16 4484 Riverside San Jacinto Mts.: Idyllwild area: SW of Pine Cove and W of Bear Trap Cyn, in watershed above Alvin Meadows (tributary to Toll Rd. Cyn.) 1707 Comment
  UCR133636  Cordylanthus nevinii I. W. Clokey, E. G. Anderson 1935-8-21 6904 Riverside San Jacinto Mtns., Fuller's Creek 1585 Comment
  CAS-BOT-BC101304  Corethrogyne filaginifolia Wesley Griesel 1962-9-18 744 Riverside Dark Canyon, San Jacinto Mts. 1920 Comment
  CAS-BOT-BC269272  Coryphantha alversonii Sarah J. De Groot; Leland Lubinsky; Naomi Fraga; Lisa Rojas 2005-2-10 4613 Riverside Field redacted by CAS, contact the data manager for more information 402 Comment
  CAS-BOT-BC427598  Crassula aquatica Robert F. Thorne; Earl Lathrop 1969-5-12 37923 Riverside Santa Rosa Plateau: on S end of Mesa de Colorado, Rancho California. 624 Comment
  RSA757637  Crassula connata LeRoy Gross, Jackie McConnaughy, Andrew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4317 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon., Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  UCR174348  Crassula connata A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32487 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR97293  Crassula solieri Scott D. White 1993-3-12 1151 Riverside Perris-Aguanga Basin Region, near Winchester; Old Salt Creek Channel, between new flood control channel and Patton Ave 445 Comment
  CAS-BOT-BC427941  Crassula tillaea A. C. Sanders; T. B. Salvato 2001-5-3 24102 Riverside Perris-Aguanga Basin region: Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley. 518 Comment
  UCR126988  Cressa truxillensis A. C. Sanders, Guy Bruyea 2003-6-12 26890 Riverside Perris-Aguanga Basin Region, Winchester, SW edge of town between Simpson Ave. and Olive Ave., c. 1 km west of Hwy 79/Winchester Rd. 445 Comment
  POM118203  Crossosoma bigelovii Theodore Labouchere 1915-4-15 s.n. Riverside Borders of the Colorado Desert on the easterly side of San Jacinto Mountain, in the lower Sonoran Zone. Comment
  RSA397720  Crossosoma bigelovii P. J. Remple 1942-3-21 s.n. Riverside Whitewater Canyon. Comment
  RSA545237  Crossosoma bigelovii R. F. Thorne 1970-10 41887 Riverside San Bernardino Mountains- Whitewater canyon: ca. 1350 ft. near bridge and Whitewater Post Office to ca. 2000 ft. up the canyon toward fish hatchery. 610 Comment
  RSA625172  Crossosoma bigelovii L. C. Wheeler 1963-3-17 8247 Riverside Santa Rosa mountains: Martinez Canyon. 670 Comment
  SBBG51094  Crossosoma bigelovii S. L. Timbrook 1977-2-28 563 Riverside W side of Whitewater Cyn, where Pacific Crest Trail crosses Whitewater Crk 731 Comment
  UCD102971  Crossosoma bigelovii Geoffrey Levin 1976-3-27 696 Riverside Chino Canyon. West of Palm Springs. On the hills on south side of canyon. Alluvial fan of San Jacinto Mts. Salton Sea Basin. Colorado Desert. 457 Comment
  RSA796020  Croton californicus Duncan S. Bell 2009-4-18 244 Riverside Arica Mountains; northeast of range, approximately 2.25 air miles southwest of the ghost town of Rice. 224 Comment
  UCR134614  Croton californicus Marisa Sripracha, Kyle Boyd 2004-2-14 005 Riverside Sonoran (Colorado) Desert, Snow Creek, 25 m from Snow Creek Road, 0.7 km south of Hwy 111 352 Comment
  SEINET12141357  Croton californicus var. mohavensis I. W. Clokey 1935-1 6726 Riverside E of Mecca 200 Comment
  RSA0116808  Cryptantha A. C. Sanders 2014-4-8 40990 Riverside Peninsular Range: Temescal Canyon, along Temescal Canyon Rd. c. 0.2 km SE of I-15 crossing, near mouth of Mayhew Canyon and just east of Mayhew Rd. 317 Comment
  RSA612618  Cryptantha D. L. Banks, Victor Steinmann 1997-3-13 1503 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  CSUSB1176  Cryptantha angustifolia Grace Sprague 1968-4-29 S. N. Riverside Highway 111, 5 miles north of Palm Springs where San Jacinto Mountains near the road; on the sand dune of creosote bush scrub. Comment
  RSA777448  Cryptantha angustifolia Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 967 Riverside Blythe-Rice Road, East/Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing 243 Comment
  UC1063929  Cryptantha angustifolia H. S. Yates 1936-4-7 5442 Riverside 2.5 mi s Willis Palms; Thermal Quad. 243 Comment
  UCR134600  Cryptantha angustifolia Marisa Sripracha, Kyle Boyd 2004-2-14 016 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 Comment
  POM368280  Cryptantha barbigera Christopher Davidson 1979-4-4 7713 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  POM6504  Cryptantha barbigera P. A. Munz, L. T. Street, G. Williams 1919-3-28 2381 Riverside Palm Canyon 183 Comment
  UCSB24714  Cryptantha circumscissa Austin, Stan 1966-5-15 Riverside 0.5 mile from Ranger Station on Banning-Idyllwild Rd. in Dark Canyon, San Jacinto mts. 1981 Comment
  UCR115343  Cryptantha corollata A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16268 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  UCR108474  Cryptantha decipiens A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16222 Riverside San Jacinto Mountains, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon 550 Comment
  UCR176933  Cryptantha decipiens A. C. Sanders 1995-4-13 16493 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Devil's Garden, E end of the mtns., 2.1 mi west of Hwy 62 on Pierson Avenue and dirt extension, 1.7 mi above Sierra Blvd. 793 Comment
  CAS-BOT-BC218762  Cryptantha holoptera Catherine A. Toschi 1963-4-10 63 :120 Riverside Boyd Desert Research Center, 5 miles south Palm Desert 304 Comment
  UCR52257  Cryptantha holoptera Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2221 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  CLARK-A1656-766  Cryptantha intermedia Theo Glenn 1982-3-24 Riverside San Jacinto Mountains Comment
  POM368267  Cryptantha intermedia Christopher Davidson, Robert Gustafson 1977-4-7 5579 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. 610 Comment
  RSA633324  Cryptantha intermedia R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38079 -C Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  RSA653429  Cryptantha intermedia Scott D. White 1999-5-24 7398 Riverside San Jacinto Valley, San Jacinto River wash: Just N of City of San Jacinto, about 1 mile SE of State St. Bridge. 448 Comment
  SBBG14700  Cryptantha intermedia H. and M. Dearing 1942-2-6 4797 Riverside near Cathedral City Comment
  UCR158498  Cryptantha intermedia A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30040 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
  UCR240619  Cryptantha intermedia Tracy Tennant, Mitch Provance 1998-6-16 MOR- 439 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon, in wash just north of woodland stand M15 1098 Comment
  UCR47759  Cryptantha intermedia F. R. Fosberg 1929-5-3 S- 01058 Riverside Peninsular Range, Temecula River, c. 10 mi above Temecula Comment
  VVC123  Cryptantha intermedia A. C. Sanders, J. Mac 1997-5-4 20637 Riverside San Jacinto Mountains, N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment
  RSA0070998  Cryptantha intermedia Steve Boyd, K. Boyd, R. Noyes, L. Arnseth, C. Boyd 1988-5-28 2291 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest. 0.5 mi S of saddle. 1500 Comment
  POM3707  Cryptantha micrantha H. M. Hall 1905-4-28 5938 Riverside McCoy Wash. Comment
  SEINET3005010  Cryptantha micrantha G. Rink, A. Karl, M. Honer, T. Thomas 2011-4-6 10439 Riverside Ca 5 miles west of Blythe, south fo I-10 and north of the transmission line, on dunes 141 Comment
  UC24831  Cryptantha micrantha H. M. Hall 1901-7 2487 Riverside shores of Lake Surprise San Jacinto Mountains, Lake Surprise 2499 Comment
  UCSB38686  Cryptantha micrantha Cowan, Clark 1978-4-24 Riverside 19.6 mi. (31.3 km.) S on 74 from jct. w/ Hwy. 111 at Indian Wells Sta. Rosa Mt. Rd., 1.9 mi. (3 km.) S. of 74 Comment
  UCR100037  Cryptantha micrantha var. lepida Scott D. White 1994-4-23 2046 Riverside San Bernardino Mtns., Millard Canyon, c. 5 air miles north of Cabazon: U.S. Forest Service Road 2S05.1, c. 1-1.5 mi. south of Millard Canyon Guard Station and junction of roads 2S05.2 & 2S05.1A (= East Branch) 1037 Comment
  UCR239198  Cryptantha micromeres Steven R. Hill, A. C. Sanders 2001-5-4 33726 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
  UCR158856  Cryptantha microstachys Scott D. White 1994-6-14 2060 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  VVC126  Cryptantha muricata A. C. Sanders, J. Mac 1997-5-4 20658 Riverside San Jacinto Mountains, N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment
  SBBG63812  Cryptantha muricata var. jonesii R. Hoffmann 1929-9-8 Riverside San Jacinto Mtns 1828 Comment
  GMDRC9804  Cryptantha nevadensis J. M. Andre 2017-3-1 38020 Riverside Chuckwalla Bench: along Red Cloud Rd, 2.5 mi. SSE of junction Interstate 10, between Orocopia and Chuckwalla Mtns 473 Comment
  UCD80956  Cryptantha nevadensis Chuck Hughes 2009-3-23 59 Riverside South of Highway 62 near the abandoned Desert Center Airport. Near city of Rice. 219 Comment
  UCR89718  Cryptantha nevadensis J. M. Stewart 1993-3-10 685 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; Corn Springs Rd, 2 mi south of Chuckwalla Rd. Comment
  JOTR35042  Cryptantha nevadensis var. nevadensis La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3495 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road on south-facing bajada among sonoran desert riparian washes. Comment
  SEINET3195133 Image available Cryptantha nevadensis var. nevadensis Andrew C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37461 Riverside Sonoran (Colorado) Desert; SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak (McCoy Peak 7.5' Q.) 204 Comment
  RSA0079266  Cryptantha pterocarya var. pterocarya J. D. Olmsted 1958-3-30 89 Riverside A few miles north of southern entrance to Joshua Tree National Monument on Cottonwood Pass Road. 838 Comment
  RSA80747  Cryptantha racemosa F. W. Peirson 1921-3-23 2377 Riverside Deep Canyon south of Coachella Valley 335 Comment
  UCR117667  Cryptantha simulans T. Schram, D. Wappler 1994-7-14 s.n. Riverside San Jacinto Mtns., Lake Hemet. Comment
  RSA234105  Cryptantha utahensis R. F. Thorne, R. Carolin 1967-3-21 41635 Riverside Joshua Tree National Monument: Cottonwood Springs. 915 Comment
  UC667346  Cryptantha utahensis Annie M. Alexander and Louise Kellogg 1941-5-7 2136 Riverside Split Rock, Riverside and San Bernardino counties Joshua Tree National Monument 1310 Comment
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Oct 23 2011
  RSA713905  Cucurbita palmata R. E. Riefner 2006-8-2 06 -349 Riverside Lakeview Mountains, vicinity of Alicante Dr. at Jamawag Rd., N of Leon Rd. 550 Comment
  UC1134206  Cupressus forbesii H. E. Norton 1931-3-20 40 A Riverside 4 mi se Corona; Corona Quad. 457 Comment
  UCR174305  Cuscuta californica A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32646 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
  UCR272458  Cuscuta californica var. papillosa Mitch Provance 2012-8-1 712- 05 Riverside Colorado Desert, Thousand Palms Canyon Road, +- 2/3 of the way up into the canyon. 140 Comment
  POM48872  Cuscuta ceanothi P. A. Munz, I. M. Johnston 1924-7-26 8707 a Riverside ca. 8 miles S of Banning. 1524 Comment
  UCR92615  Cuscuta subinclusa Scott D. White 1995-8-23 3563 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  POM294993  Cylindropuntia echinocarpa David Griffiths 1905-7-21 8010 Riverside Whitewater. Comment
  SEINET7249312  Cylindropuntia munzii Andrew C. Sanders, Tim Thomas, T. B. Salvato 2012-1 Riverside Comment
  SEINET4358094 Image available Cynanchum utahense Duncan S. Bell 2011-10-22 3005 Riverside Sonoran (Colorado) Desert; Arica Mountains, west side of range, c. 2.6 air miles west of Priests Well, c. 6.8 air mi. SW of Rice 437 Comment
  RSA522102  Cyperus eragrostis Steve Boyd, Timothy S. Ross 1989-8-28 3795 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  UCR59812  Cyperus eragrostis Jeri Hirshberg 1989-7-19 s.n. Riverside vicinity of Lake Skinner: dry streambed below dam, north of stock pond & treatment plant Comment
  POM158187  Cyperus esculentus Phillip A. Munz 1928-9-6 11272 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  UCR16051  Cyperus involucratus Becky Brooks 1973-5-26 s.n. Riverside Corona, N end of third irrigation pond c. 250 yards north of Ontario Ave & 100 yards east of Compton Ave Comment
  POM158185  Cyperus odoratus I. M. Johnston 1928-9-6 11270 Riverside Santa Ana River, Ontario - Corona road. Comment
  UCR277724  Cyperus odoratus Mitch Provance 2012-11-3 1112- 07 Riverside San Timoteo Canyon, West Beaumont, N side of Oak Valley Parkway (San Timoteo Canyon Rd.), 1.5 miles W of I-10. 709 Comment
  POM12678  Cyperus squarrosus Phillip A. Munz 1922-9-6 6382 Riverside Hidden Lake, San Jacinto Mountains. 2637 Comment
  SEINET10486030  Dalea emoryi David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2879 Riverside Pushawalla canyon, indio hills. In dry wash. Comment
  POM28816  Dalea mollis Marcus E. Jones 1906-4-27 s.n Riverside Indio. Comment
  RSA517838  Dalea mollis Steve Boyd, Orlando Mistretta 1986-3-13 1468 Riverside West side Palen Mts.: NE of Desert Center. Comment
  SD185213  Dalea mollis Dave Silverman, Cindy Hopkins 2005-3-25 5757 Riverside Rice Valley, southeast of Danby Dry Lake, south of Highway 62, along Midland Road, south of railroad crossing. 234 Comment
  JOTR32424  Dasyochloa pulchella Harding, Mitzi, T. Herskovits, D. Shade 2011-8-11 13 Riverside Joshua Tree National Park. Queen Mountains; Intersection of Park Blvd. and Pinto Basin road; Small rocky hills and surrounding drainages 1112 Comment
  UCD65767  Dasyochloa pulchella H. Clemons 1952-1-1 Riverside Idyllwild. Comment
  RSA566433  Datisca glomerata Peter L. Morrell, Stan C. Spencer 1993-5-28 244 Riverside on bank of San Gorgonio River, approx 4.25 air mi. N of gate at entrance to Banning Canyon 1600 Comment
  CSUSB776  Datura meteloides R. C. Smith 1972-6-22 Riverside Santa Ana Riverbed on Boulder Ave. 365 Comment
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Aug 31 2014
  RSA522721  Datura wrightii Steve D. Boyd, Tim S. Ross 1989-8-28 3812 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  SDSU2268  Daucus pusillus H. Wedberg 1962-5-23 934 Riverside 4.8 miles from Hwy 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
  RSA784310  Deinandra fasciculata J. D. Olmsted 1959-8-26 842 Riverside Oat Flat along Main Divide Motorway between Sierra Peak and the old Sierra Peak Guard Station, Santa Ana Mtns towards Santiago Res. 823 Comment
  SEINET6050431  Deinandra kelloggii Robert Allen, Allen, Linnel 2008-7-27 Riverside Santa Ana Mountains. Long Canyon watershed. Along Long Canyon Road. 136 meters (0.08 air miles) northwest of jct. with Ortega Hwy (SR74). In meadow south of roadway. Comment
  UC1792826  Deinandra kelloggii A. C. Sanders 2004-4-9 27469 Riverside San Jacinto Valley; Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtns., alluvial slope in mouth of large canyon on south side 472 Comment
  CAS-BOT-BC7985  Delphinium parishii subsp. parishii Donald Alexander Johansen; J. Ewan 1932-4-10 7094 Riverside North of Tahquitz Canyon above Palm Springs, Western Colorado Desert Comment
  PASA2532  Delphinium parryi 1922-5-18 Riverside Road south of Lake Elsinore 377 Comment
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Jun 24 2016
  UCR92211  Delphinium parryi D. L. Banks, Steve Boyd 1995-5-3 0193 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
  RSA0020470  Delphinium parryi subsp. parryi Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  CAS-BOT-BC82952  Dendromecon rigida E. K. Balls 1954-7-29 19561 Riverside Along Indian Truck Trail in Santa Ana Mountains. 944 Comment
  RSA0029102  Descurainia John F. Emmel 1989-4-8 1121 Riverside camping area along north shore of Lake Hemet, 1.3 air mi west of Lake Hemet store. 1326 Comment
  JOTR37758  Descurainia pinnata subsp. glabra Hodges, Stephen R. 2016-2-29 714 Riverside Joshua Tree National Park. Pleasant Valley, off of Geotour Road near the Pushwalla Canyon trailhead Comment
  POM369392  Descurainia pinnata subsp. glabra N. C. Cooper 1944-5-20 1235 Riverside Pinon Flats, Palms to Pines Hwy. 1220 Comment
  UC501622  Dicentra chrysantha Frank W. Peirson 1924-7-29 5025 Riverside Banning-Idyllwild Road; San Jacinto Mts. 1767 Comment
  UCR145975  Dicentra chrysantha June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  IRVC52  Dichelostemma capitatum subsp. capitatum D. DeVault 1965-4-24 HS 0098 Riverside Upper San Juan Creek Camp; Ortega Highway. Santa Ana Mountains Comment
  CLARK-A1528-1797  Dicoria canescens John C. Roos 1948-10-15 Riverside Whitewater Comment
  RSA151135  Dicoria canescens Peter H. Raven 1961-10-8 16840 Riverside Whitewater Wash along Snow Creek road near State Hwy 111. 351 Comment
  RSA696747  Dicoria canescens J. Russell Bruff 1927-10-8 1 -H Riverside Thousand Palms Comment
  UCSB7955  Dicoria canescens Dearing, Hugh; Dearing, Margaret 1939-11-12 Riverside W. Colorado Desert Comment
  RSA626156  Dinebra retroflexa R. E. Riefner 1999-3-15 99 -162 Riverside Hemet, Bautista Road and Fairview Street. Comment
  SD139997  Diplacus aurantiacus Scott White 1993-3-15 1188 Riverside Elsinore; Highway 74, just west of NW corner of Lake Elsinore Comment
  CAS-BOT-BC152912  Diplacus brevipes John Thomas Howell 1930-5-10 4794 Riverside At top of St. John's Grade Comment
  RSA0019287  Diplacus brevipes Christopher Davidson 1975-6-16 2812 Riverside 5.4 miles N of Alandale Station on road R1 from Idyllwild to Banning. 1652 Comment
  CAS-BOT-BC150672  Diplacus longiflorus Steve Boyd 1986-4-22 1749 Riverside Temescal Canyon: just south of Interstate 15 Comment
  SBBG120835  Diplacus puniceus A. C. Sanders with T. B. Salvato, K. Volansky 2006-5-24 32565 Riverside hills between Murrieta and Menifee Valley, W of I-215, S of Bundy Cyn/Scott Rd and N of Clinton Keith Rd 518 Comment
  UCR202224  Distichlis spicata 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
  UCR2331  Distichlis spicata var. stricta H. J. Webber 1918-6-9 40 Riverside Alkali land NE of Riverside Comment
  JOTR34105  Ditaxis lanceolata La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2671 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  JOTR29562  Ditaxis neomexicana Andre, Jim, Tasha LaDoux 2006-4-11 6736 Riverside Joshua Tree National Park. Along Pinto Basin Rd (paved) in Wilson Canyon 857 Comment
  RSA0104609  Ditaxis neomexicana Duncan S. Bell, Evan Meyer 2014-10-29 7677 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
  SD109126  Ditaxis neomexicana Grady L. Webster, R. Hildreth 1966-12-9 7456 Riverside Joshua Tree National Monument, NW end of Pinto Basin, 2.8 miles NW of Cholla Gardens 790 Comment
  CDA24811  Dithyrea californica M. S. Wasbauer 1960-3-26 Riverside Palm Springs. 0 Comment
  POM47105  Dithyrea californica Mary F. Spencer 1918-3-28 765 Riverside Palm Springs. 137 Comment
  SEINET10481685  Dithyrea californica David B. Dunn 1948-3-14 Dunn 3774 Riverside Found in flat open sands near hidden springs ranch 5 mi s of the indio hills in the colorado desert. Comment
  JEPS14663  Dodecatheon redolens Carl V. Meyer 1928-7-26 544 Riverside vicinity Deer Springs (San Jacinto Mountains); , vicin Deer Springs 2743 Comment
  POM212602  Downingia cuspidata P. A. Munz 1941-5-18 16647 Riverside About 15 miles northeast of Temecula. Comment
  RSA508242  Downingia cuspidata R. F. Thorne 1974-5-23 44682 Riverside Santa Rosa Plateau, Rancho California; grassland area E of Redonda Mesa 610 Comment
  UC494460  Draba cuneifolia Philip A. Munz 1932-3-15 12009 Riverside Deep Canyon Coachella Valley, Deep Canyon 91 Comment
  UCR121306  Draba cuneifolia A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25017 Riverside The Badlands, summit of Mt. Eden, SW of Beaumont 671 Comment
  CAS-BOT-BC41680  Draba cuneifolia var. integrifolia Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-3 4120 Riverside Vail Lake area, upper benches and adjacent slopes of the east flank of Big Oak Mountain. Just south of the east summit 701 Comment
  RSA0019583  Drymocallis glandulosa var. wrangelliana N. C. Cooper 1947-4-5 2113 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  SEINET12218619  Dudleya formosa S. B. Parish, Parish, W. F. 1880-1 588 Riverside White Water Comment
  RSA198950  Dudleya lanceolata R. F. Thorne, P. A. Munz, E. W. Lathrop 1968-5-8 s.n. Riverside Satan Rosa Plateau; S end of dam at E end of vernal marsh on Mesa de Colorado, Rancho California 671 Comment
  UCR262256  Dudleya lanceolata T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3729 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  RSA747756  Dudleya saxosa subsp. aloides Scott D. White, Justin M. Wood 2009-4-28 12607 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  RSA696228  Echinocactus cylindraceus Keith E. Hoffmaster 1933-4-13 s.n. Riverside Palm Springs. Comment
  CAS-BOT-BC56757  Echinocereus engelmannii subsp. engelmannii D. A. Johansen; J. A. Ewan 1932-4-10 7060 Riverside Field redacted by CAS, contact the data manager for more information Comment
  RSA0021860  Echinocereus engelmannii var. engelmannii Ora M. Clark 1929-3-17 1761 Riverside S. Palm Springs. Comment
  RSA0125252  Echinocereus engelmannii var. engelmannii P. A. Munz 1921-5-1 4488 Riverside Southern edge of Mojave Desert near Pinyon Wells. 1220 Comment
  CAS-BOT-BC197075  Echinochloa crus-galli S. B. Parish 1913-9-20 8618 Riverside Mecca, Salton Sink 57 Comment
  CDA4578  Eclipta prostrata Gene Drake 1975-7-3 Riverside Riverside Canal, Nixon at McKinley, Riverside. 0 Comment
  RSA192161  Elatine chilensis E. W. Lathrop 1966-5-1 6243 Riverside 3 miles W of Murrieta. Comment
  CAS-BOT-BC113602  Eleocharis acicularis H. M. Hall 1901-7-9 2366 Riverside In meadows and bogs of Tahquitz Valley. 2438 Comment
  UCR232773  Eleocharis acicularis William Schlegel, Andrew Troutte, Jordan Zylstra 2008-8-29 015 Riverside Peninsular Range; San Jacinto Mtns., Skunk Cabbage Meadow 2449 Comment
  UCR15634  Eleocharis acicularis var. acicularis George K. Helmkamp 1978-6-1 s.n. Riverside Santa Ana Mountains, Santa Rosa Plateau, vernal pool 7 mi [west] of Murrieta near the origin of DeLuz Creek 671 Comment
  RSA588169  Eleocharis parishii Darin L. Banks, Steve Boyd 1995-10-17 803 Riverside Cleveland National Forest, Agua Tibia Mtns.; lower Arroyo Seco, S of the Dripping Springs Campground. Along narrow benches where Arroyo Seco turns to the E, just W of the Metasedimentary hills 525 Comment
  POM13071  Elymus elymoides E. C. Jaeger 1921-6-25 s.n. Riverside Caramba, Palms to Pines Trail, San Jacinto Mountains., [Caramba Camp: 34 deg 47'N, 116 deg 37'25W] Comment
  UCR185181  Elymus elymoides Naomi Fraga, LeRoy Gross, B. Hogshead 2006-6-12 1705 Riverside Peninsular Ranges; San Jacinto Moutnains region: Along FS road west and paralleling Morris Ranch Road. c. 0.2 miles SW of the FS roads junction with Morris Ranch Road. NE of Garner Valley 1616 Comment
  JOTR33781  Elymus elymoides subsp. elymoides La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2932 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast side of Quail Mountain; Steep, loamy, loose slopes just below the summit (stop 3) Comment
  JOTR37442  Elymus elymoides subsp. elymoides Hodges, Stephen, T. Green 2016-5-24 564 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Quail Mountain Complex; along social trail ascending from Quail Springs parking lot towards Johnny Lang Canyon (Stop 1). Comment
  RSA680528  Elymus glaucus Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8645 Riverside Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  RSA697770  Elymus glaucus J. Russell Bruff 1934-7-5 589 Riverside Idyllwild. Comment
  SD28117  Elymus glaucus subsp. glaucus Carl B. Wolf 1932-8-5 3942 Riverside San Jacinto Mountains, along trail from Tahquitz Valley to San Jacinto Peak. 2621 Comment
  RSA6025  Elymus glaucus subsp. jepsonii C. B. Wolf 1932-8-5 3942 Riverside Trail from Tahquitz Valley to San Jacinto Peak, San Jacinto Mountains. 2561 Comment
  CAS-BOT-BC234140  Elymus multisetus Le Roy Abrams 1901-5-1 s.n. Riverside Elsinore Comment
  UCR158946  Elymus triticoides Scott D. White 1994-6-14 2052 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  JEPS1595  Emmenanthe penduliflora W. L. Jepson 1901-5-22 1363 Riverside upper part Palm Canyon; Mt. San Jacinto Comment
  SD4053  Emmenanthe penduliflora Fidella G. Woodcock 1928-3-15 Riverside Palm Springs (mak 7/07) Comment
  UCR216359  Emmenanthe penduliflora Mike Bell 2008-3-19 037 Riverside Sonoran (Colorado) Desert/San Bernardino Mtns., Bonnie Bell, along Whitewater River c. 2 miles north on Whitewater Canyon Rd. from I-10 freeway 537 Comment
  LA206365  Encelia actoni Norman C. Cooper; 1944-5-6 1195 Riverside Banning, along railroad 701 Comment
  LA26721  Encelia actoni William Shapeero; 1954-4-28 sn Riverside Joshua Tree National Monument Comment
  UCR133972  Encelia actoni Mitch Provance, J. S. Ross 1998-3-27 MOR- 979 Riverside San Bernardino Mtns., Morongo Indian Reservation, road 5501 towards Millard Canyon, just south of the juction with the NE bound road to Deep Cyn. 671 Comment
  CAS-BOT-BC131324  Encelia farinosa Peter H. Raven 1958-2-15 11586 Riverside Along U. S. Highway 60, 8.7 miles east of road to Wiley Wells Comment
  CAS-BOT-BC131347  Encelia farinosa C. L. Hitchcock 1940-4-2 5923 Riverside Cottonwood Springs wash, Joshua Tree Nat. Monument Comment
  OBI16595  Encelia farinosa Tracey and Viola Call, Viola Call 1962-4-6 2110 Riverside 4 mi S of Morongo Valley 579 Comment
  RSA781747  Encelia farinosa Duncan S. Bell 2011-12-30 3045 Riverside Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; approximately 2 air miles southwest of Priests Well, or approximately 7 air miles southwest of the ghost town of Rice. 365 Comment
  SJSU1904  Encelia farinosa J. W. Tilden 1957-4-18 1099 Riverside near Whitewater E of San Gorgonio Pass Comment
  UCD20085  Encelia farinosa Donald W. Kyhos 1965-5-11 65 -211 Riverside Growing at mouth of Whitewater Canyon, about 15 miles northwest of Palm Springs. Comment
  UCR220003  Encelia farinosa A. C. Sanders 2010-11-18 38691 Riverside Peninsular Range; western Gavilan Hills, eastern edge of Corona, north end of 'radio tower' ridge, 1.85 mi. NNE (25 deg. ) of El Cerrito, 1 mi. SSE (143 deg. ) of Home Gardens, just east of large rock quarry 488 Comment
  SEINET11859836  Encelia farinosa Unknown 1936-4-21 12748 Riverside Colorado Desert N of Palm Springs Comment
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Oct 7 2017
  POM356676  Encelia farinosa var. farinosa Norman C. Cooper 1944-4-8 1094 Riverside Andreas Canyon. 305 Comment
  UCR213494  Encelia farinosa var. farinosa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-18 38407 Riverside Peninsular Range, southeastern Gavilan Hills near Alberhill, north of Concordia Ranch Rd. and Black Powder Rd. 491 Comment
  UCR262468  Enchylaena tomentosa A. C. Sanders, Richard Block 2015-7-4 41746 Riverside Peninsular Range, Riverside, R. & J. Block residence on Two Trees Rd. in Belvedere Heights neighborhood 396 Comment
  CHSC99338  Ephedra aspera LeRoy Gross; Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1434 a Riverside Colorado Desert; Chocolate-Chuckwalla Mountains Region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. Near 33 37' 32'N, 115 19' 35'W: UTM 3721895N, 655238E Elevation 1574 feet to 33 36' 52'N, 115 19' 54'W: UTM 3720669N, 654757E. Elevation 1800 feet. General collecting along canyon bottom and slopes. 514 Comment
  RSA234110  Ephedra aspera Robert F. Thorne, R. Carolin 1967-3-21 41640 Riverside Joshua Tree National Monument: Cottonwood Springs. 915 Comment
  RSA339644  Ephedra californica Robert F. Thorne, C. W. Tilforth 1980-5-28 54240 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  RSA383871  Ephedra californica M. B. Dunkle 1932-3-25 2874 Riverside Cabazon, Colorado Desert. Comment
  RSA696370  Ephedra californica Keith E. Hoffmaster 1937-3-16 s.n. Riverside Palm Springs. Comment
  UC205579  Ephedra californica H. M. Hall 1919-3-25 Riverside Whitewater Wash Comment
  UCD133067  Ephedra californica F. A. Thackery 1928-3-6 254 A Riverside White Water. Comment
  CAS-BOT-BC81822  Ephedra nevadensis C. L. Hitchcock 1940-3-29 5868 Riverside Cottonwood Canyon ca. 100 yards east of Spring Comment
  JEPS20725  Ephedra trifurca Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13265 Riverside 2.1 mi s of Rice (on road to Midland and Blythe) Comment
  SDSU12967  Epilobium Michael G. Simpson 1999-10-27 2045 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  SD122931  Epilobium canum subsp. canum Steve Boyd 1985-8-7 1109 Riverside Santa Rosa Plateau region, northwest base of Redonda Mesa on Tenaja Road, 0.8 mile east of junction with 8S01 and 8S02 Comment
  CAS-BOT-BC171752  Epilobium canum subsp. latifolium Philip A. Munz 1946-10-20 11583 Riverside Cottonwood Springs, Joshua Tree National Monument 792 Comment
  POM123232  Epilobium canum subsp. latifolium Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  RSA736740  Epilobium canum subsp. latifolium Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10678 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  UCR90591  Epilobium ciliatum Scott D. White 1995-6-29 3408 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  RSA144640  Epilobium ciliatum subsp. ciliatum William M. Klein, S. Tillett 1958-10-8 782 Riverside Dark Canyon Camp Ground, North Fork of the San Jacinto River, San Jacinto Mountains. Comment
  RSA381719  Epipactis gigantea George Henry Grinnell 1923-5-26 s.n. Riverside Riverside. Comment
  SEINET13710791  Epipactis gigantea A. Alexis, A. Alexis 1978-1 Riverside Along State Highway 74 Near Sitton Peak Comment
  UC980844  Epipactis gigantea Fred L. Jones 1953-7-17 90 Riverside Santa Rosa Mountains; at spring 609 Comment
  RSA761326  Equisetum laevigatum Shawn Krosnick, C. Martinez, N. Fraga, L. McDade 2010-8-14 684 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCR114926  Equisetum laevigatum L. C. Wheeler 1932-7-9 935 Riverside Santa Ana River at Chino Creek, (El Rincon) Corona 152 Comment
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Jul 22 2015
  UCR170120  Equisetum laevigatum Jeffrey Ross, Sam Lau, Jenny Phui 1998-5-31 118 Riverside San Bernardino Mtns. region, Morongo Indian Reservation; Lion Canyon 756 Comment
  UCR68855  Equisetum laevigatum Steve Boyd, T. S. Ross 1990-5-11 4641 Riverside Peninsular Range, Cleveland National Forest: Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground 610 Comment
  UCR98119  Eragrostis mexicana Scott D. White, Megan Phillips 1992-4-29 s.n. Riverside San Jacinto Valley, large area on San Jacinto Reservior on N and E sides, east of Sanderson Street, and SW of Ramona Expressway Comment
  RSA370867  Eragrostis mexicana subsp. virescens R. F. Thorne 1985-7-18 61275 Riverside Sandia Canyon, De Luz-Murrieta Road: Along small stream. 260 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
  UCR148444  Eremalche rotundifolia John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.5 mile transect along Coachella Canal right-of-way, between siphons 25 and 26, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  SBBG60424  Eremothera boothii subsp. decorticans M. N. Ackley 1928-4-3 761 Riverside Devil's Cyn, Coral Reef Ranch 152 Comment
  UCR244880  Eremothera refracta Jim Andre 2012-3-19 21388 Riverside Sonoran (Colorado) Desert, Palen Mountains, along Palen Pass Rd at Palen Pass 383 Comment
  UCR245259  Eremothera refracta Jim Andre 2012-3-19 21306 Riverside Sonoran (Colorado) Desert, north end of Orocopia Mountains, 0.5 mi. south of junction of Box Canyon Rd and I-10 Fwy, 23 miles east of city of Coachella 470 Comment
  CAS-BOT-BC514318  Eriastrum densifolium subsp. austromontanum D. E. Breedlove 1961-8-4 933 Riverside Along Riverside Hwy 1 at jct with road to Black Mountain Campground; San Jacinto Mtns 1676 Comment
  RSA0106920  Eriastrum densifolium subsp. austromontanum J. D. Olmsted 1959-8-18 785 Riverside San Jacinto Mt. Range. M. Fk. San Jacinto River. Along May valley truck trail, 4 mile north of crest of road west of South Ridge; 2 mi south of Idyllwild. 1676 Comment
  SDSU3046  Eriastrum densifolium subsp. elongatum S. J. Banrhart 1966-4-24 Riverside 1 mile east of McAllister Street along the Metropolitan Water Co. Utility Road (Dirt). which is 1.5 miles south-east of the intersection of McAllister Street and Victoria Avenue. 457 Comment
  RSA0105459  Eriastrum densifolium subsp. elongatum N. C. Cooper 1944-7-15 1579 Riverside Palms to Pines Highway, San Jacinto Mountains. 1280 Comment
  CSUSB1767  Eriastrum eremicum Wayne White 1975-5-24 Riverside Chuckwalla Mountains Chuckwalla Mountains. On Highway I-10 to Red Cloud Road. Colorado Desert. 609 Comment
  CAS-BOT-BC514449  Eriastrum eremicum subsp. eremicum Philip A. Munz 1937-5-29 15148 Riverside Palms to Pine HIghway, Deep Canyon, Santa Rosa Mts. 1066 Comment
  RSA0120679  Eriastrum harwoodii Duncan S. Bell 2012-4-5 3305 Riverside Palen sand dunes on the southwest side of the Palen mountains at the south end of Palen Valley and the northwestern part of Chuckwalla Valley. Approx. 6.75 air miles directly north of Hell. 137 Comment
  UCD169642  Eriastrum harwoodii Dave Silverman; Fred Sproul, Tammy Beyerl, Erin Bergman 2010-3-29 7875 Riverside East end of Chuckwalla Valley, W of Blythe, 1.3 m S of gas line frontage, 1.9 km S of I-10 and 8.5 km west of Nicholl's Warm Spring. 141 Comment
  RSA0120672  Eriastrum harwoodii David Gowen 2008-3-25 822 Riverside Sand dunes about 3 miles south of Rice. Comment
  SBBG58326  Eriastrum sapphirinum M. N. Ackley 1928-4-1 Riverside between Indio and Palm Springs 60 Comment
  UC718526  Eriastrum sapphirinum P. C. Everett 1935-6-18 7176 Riverside on road to Santiago Peak near Ortega Highway; Santa Ana Mts., San Juan Canyon 701 Comment
  UC774165  Eriastrum sapphirinum C. Epling and Wm. Robison 1933-6-24 Riverside San Gorgonio Wash Little San Bernardino Mountains Comment
  RSA0121564  Eriastrum sapphirinum subsp. dasyanthum Christopher Davidson 1975-6-16 2807 Riverside Ca. 4 miles S of Banning on road R1 to Idyllwild. Level saddle between two peaks. 1128 Comment
  RSA0121571  Eriastrum sapphirinum subsp. dasyanthum N. C. Cooper 1944-5-20 1297 Riverside Banning. 701 Comment
  RSA0121580  Eriastrum sapphirinum subsp. dasyanthum E. W. Lathrop 1960-6-9 4946 Riverside 14 miles west of Murrieta. Comment
  UCR85285  Ericameria cuneata Bern Schwenn 1994-4-17 s.n. Riverside Southern Mojave Desert, Joshua Tree National Monument, north side of Hexie Mtns, near Hidden [and Stirrup] Tanks 1067 Comment
  UCR100035  Ericameria linearifolia Scott D. White 1994-4-23 2044 Riverside San Bernardino Mtns., Millard Canyon, c. 5 air miles north of Cabazon: U.S. Forest Service Road 2S05.1, c. 1-1.5 mi. south of Millard Canyon Guard Station and junction of roads 2S05.2 & 2S05.1A (= East Branch) 1037 Comment
  UCR140740  Ericameria palmeri var. pachylepis A. C. Sanders 2004-5-11 27853 Riverside Elsinore Basin Region, Alberhill Mountain, lower south-facing slopes southeast of the clay mining area 450 Comment
  RSA545219  Ericameria paniculata R. F. Thorne 1970-10 41880 Riverside San Bernardino Mountains- Whitewater canyon: ca. 1350 ft. near bridge and Whitewater Post Office to ca. 2000 ft. up the canyon toward fish hatchery. 610 Comment
  UCD131528  Ericameria parishii var. parishii E. W. Lathrop 1966-3-30 6119 Riverside Main Divide Truck. Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1219 Comment
  UC1329851  Ericameria teretifolia James E. Cole 1941-10-20 929 Riverside Optimist Mine Road Joshua Tree National Monument, Lost Horse Valley 1310 Comment
  JOTR31170  Erigeron breweri var. covillei La Doux, Tasha 2009-6-3 1873 Riverside Joshua Tree National Park. (Stop 6): Little San Bernardino Mountains, Covington Flats Area, dry ephemeral wash near parking area 1426 Comment
  SDSU12965  Erigeron canadensis Michael G. Simpson 1999-10-27 2036 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  RSA304953  Erigeron foliosus var. foliosus E. R. Hobbs 1978-7-17 78 -121 Riverside Creek banks, Avery Canyon, betw Santa Rosa Hills and Polly Butte, N side of Gibbel road, S of Hemet Comment
  CAS-BOT-BC189073  Eriodictyon crassifolium Roxana S. Ferris; Ruth P. Rossbach 1938-5-20 9660 Riverside 3 miles below junction of Idyllwild Road on State Highway 74 Comment
  RSA34589  Eriodictyon crassifolium N. C. Cooper 1944-5-6 1170 Riverside Banning. 701 Comment
  UCR103921  Eriodictyon crassifolium B. G. Pitzer 1997-4-12 3128 Riverside Lakeview Mtns, Pulsar View Road, c. 3/4-1 mi. by road uphill from the base of the hills at the end of Warren Road (very short dirt road); c. 1 mi. airline NE of Juniper Flats Road. Approx. 0.9 mi. airline SW of Mt. Rudolph (measured from BM 'Nelson'). 610 Comment
  UC455938  Eriodictyon crassifolium var. crassifolium I. J. Condit 1910-6-24 Riverside San Jacinto Mts. Comment
  RSA0056443  Eriodictyon crassifolium var. crassifolium Norman C. Cooper 1944-5-6 1170 Riverside Banning. 701 Comment
  HSC93339  Eriodictyon crassifolium var. nigrescens Scott D. White 1996-4-14 3903 Riverside E of Hemet, San Jacinto River Wash near Valle Vista, N of Hwy. 74, 1.7 mi. W of USFS Cranston Fire Station 534 Comment
  UC1523408  Eriodictyon trichocalyx var. trichocalyx Robert F. Thorne, W. A. Tilforth, L. Schultz, R. K. Benjamin and J. Hogge 1980-4-16 54099 Riverside flood plain (wash) along Whitewater River ca 3 mi n Whitewater P.O.; San Bernardino Mts., along Whitewater River 591 Comment
  SD255836  Eriogonum Mitch Provance 2012-5-24 51201 Riverside San Gorgonio Pass: Banning, near its border with Beaumont, Smith Creek Wash vicinity, E of Highland Springs Rd, both N and S of W Wilson St (Beaumont 7.5'Q) 783 Comment
  SBBG36970  Eriogonum apiculatum R. Hoffmann 1929-9-10 Riverside Tahquitz Mtn 2286 Comment
  SD67905  Eriogonum apiculatum Reid Moran 1968-8-3 15355 Riverside at roadside, ridge 1 mile NW of Toro Peak 2250 Comment
  UC6236  Eriogonum apiculatum H. M. Hall July 1901 2431 Riverside Tauquitz Valley San Jacinto Mountains, Tauquitz Valley Comment
  RSA393471  Eriogonum davidsonii N. R. Zabriskie 1972-9-17 538 Riverside Banning-Idyllwild road, S side. 1768 Comment
  UC64500  Eriogonum davidsonii H. M. Hall May, 1899 Riverside Coyote Canyon El Toro Mt., Coyote Canyon Comment
  CDA22575  Eriogonum deflexum T. C. Fuller 1962-10-2 9699 Riverside Hayfields, north of Highway 60-70 to Indio, ca. 14 miles west of Desert Center. 0 Comment
  RSA701043  Eriogonum deflexum Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11288 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  UCR5708  Eriogonum deflexum Frank C. Vasek, O. F. Clarke 1966-9-11 660911- 02 Riverside Sonoran (Colorado) Desert, off ramp [from Hwy 60, now I-10] to [south entrance of] Joshua Tree National Monument from Riverside 475 Comment
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Jun 5 2008
  SD186293  Eriogonum elongatum var. elongatum T. B. Salvato, Melissa Clemons 2005-6-2 1335 Riverside Temescal Valley, Gavilan Hills, ca 0.5 mi SE of Steele Peak, 4 mi SW of Perris, and 6 mi NNE of Lake Elsinore, NW of Hwy 74 573 Comment
  SEINET7907886  Eriogonum fasciculatum D. A. Johnson 2005-1 Riverside 1 mi E of CA 74 on River Rd between Perris & Lake Elsinore 488 Comment
  UCR235218  Eriogonum fasciculatum subsp. polifolium A. C. Sanders, John F. Green 2012-6-1 40241 Riverside Peninsular Range; Perris-Aguanga Basin Region, powerline route south of Ethanac Rd. and north of McPherson Rd., near south end of Richland Ln., E of Hwy 74, c. 6.1 km SW (219 deg. ) of Perris 495 Comment
  CAS-BOT-BC250131  Eriogonum fasciculatum var. polifolium F. O. Ballou 1926-2-28 s.n. Riverside Murray Canon [Canyon] Comment
  CAS-BOT-BC250140  Eriogonum fasciculatum var. polifolium Munz; Street 1919-5-7 2745 Riverside Palm Springs 198 Comment
  UCR20711  Eriogonum fasciculatum var. polifolium A. C. Sanders, Steve Boyd 1980-5-2 1448 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  CLARK-A1528-3738  Eriogonum gracile C. Epling, William Robison 1933-6-24 Riverside San Gorgonio Wash Comment
  SBBG62102  Eriogonum gracile P. A. Munz, I. M. Johnston 1928-9-12 11255 Riverside Temescal Cyn Comment
  SEINET10280031 Image available Eriogonum gracile John C. Roos 1952-8-27 5888 Riverside Peninsular Range; Riverside; Pigeon Pass, Box Springs Mountains. 457 Comment
  UCR275482  Eriogonum gracile T. B. Salvato, Melissa Clemons 2005-6-9 1511 Riverside Peninsular Range, Gavilan Hills, N/S trending bulldozer track 0.83 mile north of the Nichols Road junction with Hwy 15, and c. 3 miles north of Lake Elsinore 488 Comment
  RSA0095206  Eriogonum gracile var. gracile Duncan S. Bell, Sarah DeGroot, Mark Porter 2015-10-19 8716 Riverside Whitewater Canyon, near junction of the Pacific Crest Trail and the trail down to the ranger station. 700 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
  RSA0043043  Eriogonum inflatum Duncan S. Bell, Loraine Washburn 2014-4-8 6581 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1.25 air miles north northeast of Clemens Well/Bradshaw Trail. 356 Comment
  RSA0088351  Eriogonum inflatum Phung Hoang 2016-4-9 17 Riverside LA basin, White water canyon reserve. 536 Comment
  RSA393585  Eriogonum inflatum var. inflatum E. C. Jaeger 1922-4-10 723 Riverside Box Canon 91 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
  RSA0094199  Eriogonum maculatum Jim M. Andre 2012-4-11 20794 Riverside Little San Bernardino Mountains; western margin of Eagle Mtns, along road to Cottonwood Spr (Utah Trail), 0.7 mi. north of Cottonwood Visitor Ctr. 956 Comment
  CAS-BOT-BC270592  Eriogonum molestum H. M. Hall 1901-7-1 2386 Riverside San Jacinto Mountains 1615 Comment
  SBBG128  Eriogonum molestum R. Hoffmann 1929-9-11 Riverside San Jacinto Mtns 1219 Comment
  SD95200  Eriogonum nidularium G. L. Webster, R. Hildreth 1966-12-9 7453 Riverside Joshua Tree National Monument parkland at Split Rock 1310 Comment
  CAS-BOT-BC269786  Eriogonum nudum var. pauciflorum James L. Reveal; Caroline G. Reveal 1972-8-10 2870 Riverside San Jacinto Mountains, along California Highway 243, 1.1 miles southeast of Alandale Ranger Station, 4.3 miles north-northwest of Idyllwild, and 8.8 miles north of the junction with Highway 74 Comment
  CLARK-A1528-5182  Eriogonum parishii John C. Roos 1946-8-27 2921 Riverside Santa Rosa Mountains 2194 Comment
  RSA160411  Eriogonum parishii J. D. Olmsted 1959-9-23 1001 Riverside N Fork San Jacinto River drainage area: Flat on NW side of Idyllwild Banning Rd. halfway up grade south of Dark Canyon Creek crossing 1799 Comment
  CAS-BOT-BC263516  Eriogonum thomasii H. M. Hall 1905-4-1 5812 Riverside 15 mi. west of Coachella 152 Comment
  CAS-BOT-BC263534  Eriogonum thomasii L. R. Abrams 1926-3-26 11015 Riverside Palm Springs Comment
  CHSC8079  Eriogonum thomasii Edward L. Smith 1958-3-21 384 Riverside Located 6 mi. s of Rice, near Priest's Well. Little Santa Maria Mts. 365 Comment
  SD185290  Eriogonum thomasii John F. Green 2005-2-2 Riverside Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, ca. 3 miles east of Desert Beach 24 Comment
  UCR139376  Eriogonum thomasii I. M. Johnston 1917-4-4 1091 Riverside Sonoran (Colorado) Desert, near Palm Springs 183 Comment
  RSA0009607  Eriogonum thomasii Marcus E. Jones 1906-4-26 s.n. Riverside Indio Comment
  RSA526508  Eriogonum thurberi Steve Boyd, Tim S. Ross 1990-5-11 4703 A Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  UC1618002  Eriogonum thurberi Donald G. Nelson 1936-5-22 384 Riverside on Pines-to Palms hwy at Ribbonwood Camp; San Jacinto Mts. Comment
  UC6473  Eriogonum thurberi Geo. F. Reinhardt June, 1897 Riverside San Jacinto Valley Comment
  RSA796471  Eriogonum trichopes Duncan S. Bell 2009-4-18 209 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  UCR187476  Eriogonum wrightii Theresa Johnson 2006-8-23 272 Riverside Peninsular Range; San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  JEPS56110  Eriogonum wrightii var. membranaceum Marjorie D. Clary 1932-8-21 Riverside Hemet Valley San Jacinto Mts. 1371 Comment
  RSA420614  Eriogonum wrightii var. membranaceum Albert J. Perkins 1916-9-1 s.n. Riverside Idyllwild. Comment
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Mar 21 2011
  UCR5722  Eriogonum wrightii var. membranaceum O. F. Clarke 1966-10-5 661005- 41 Riverside Peninsular Range; Santa Rosa Mtns., Santa Rosa Mountain Rd., first wooded canyon -- near University of California, Deep Canyon Desert Research Center 1829 Comment
  RSA545235  Eriogonum wrightii var. nodosum Robert F. Thorne 1970-10 41885 Riverside San Bernardino Mountains- Whitewater canyon: ca. 1350 ft. near bridge and Whitewater Post Office to ca. 2000 ft. up the canyon toward fish hatchery. 610 Comment
  SBBG64289  Eriogonum wrightii var. subscaposum R. Hoffmann 1929-9-8 Riverside San Jacinto Mtns 2133 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
  SD6242  Eriophyllum ambiguum var. paleaceum unknown Mar 1914 Riverside Palm Springs Comment
  CHSC26405  Eriophyllum confertiflorum Dieter H. Wilken 1965-6-29 356 Riverside East of Fuller Mill Creek, south of Marion Ridge, along County Route 1, San Jacinto Mtns. 1524 Comment
  POM306145  Eriophyllum confertiflorum Henry J. Ramsey, Henry J. Ramsey 1937-5-30 1336 Riverside Palms to Pines Highway. Comment
  UCR193981  Eriophyllum confertiflorum A. C. Sanders 2008-7-25 35899 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, NE of Bonita Vista Rd. at foot of hills 1543 Comment
  SEINET13709794  Eriophyllum confertiflorum S. C. Anderson, S. C. Anderson 1957-1 Riverside W Slope Mt Rubidoux Comment
  JOTR31116  Eriophyllum confertiflorum var. confertiflorum La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 2500 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Monzogranite boulder outcrop near base of Quail Mountain, between Lost Horse Valley and Juniper Flats; Edge of old burn area (Stop 1) Comment
  CLARK-A1528-1841  Eriophyllum multicaule John C. Roos 1952-5-19 5960 Riverside Moreno 502 Comment
  POM230230  Eriophyllum multicaule I. W. Clokey 1933-4-18 6987 Riverside Gavilan [Peak] 600 Comment
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Oct 30 2011
  RSA339653  Eriophyllum wallacei R. F. Thorne, C. W. Tilforth 1980-5-28 54231 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  SDSU18420  Erodium cicutarium C. Matt Guilliams 2008-2-27 483 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 370 Comment
  UC71993  Erodium macrophyllum Miss M. A. King May 1893 Riverside between Menifee and Perris Comment
  UCR249924  Erodium trifolium A. C. Sanders, Steve Boyd 2009-4-9 36793 Riverside Riverside, Beechwood Place between Brockton Ave. and Palm Ave. 252 Comment
  CAS-BOT-BC54330  Erysimum capitatum Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning. 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
  RSA0019311  Erythranthe guttata Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38127 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  SD119897  Erythranthe guttata Louis B. Ziegler 1967-7-17 187 Riverside San Jacinto Mountains. Hemet Valley. Near Herkey Creek Canyon. Moist ground 1584 Comment
  RSA0018795  Erythranthe guttata G. R. Campbell 1948-7-4 621 Riverside near Dark Canyon Public Camp Ground, north of Idyllwild. 1738 Comment
  RSA0020064  Erythranthe guttata Mary F. Spencer 1918-4-6 220 Riverside Murray Canyon, Colorado Desert. 152 Comment
  UCR277636  Eschscholzia A. C. Sanders, Jim Malusa 2017-1-14 42658 Riverside Sonoran (Colorado) Desert, Salt Creek wash, where it passes bend in old Kaiser RR tracks, c. 6 miles east of Dos Palmas 119 Comment
  JEPS51743  Eschscholzia caespitosa L. M. Newlon 1922-4-3 438 Riverside Andreas Canyon San Jacinto Mts. Comment
  CAS-BOT-BC403364  Eschscholzia californica S. B. Parish 1894-6-14 3140 Riverside Banning, San Bernardino Mountains, and their eastern base 914 Comment
  RSA192039  Eschscholzia californica E. W. Lathrop 1959-4-2 4402 Riverside 18 miles S.W. of Elsinore. Tenaja plateau, south slope Comment
  RSA433685  Eschscholzia californica Bonnie C. Templeton 1930-4-15 1489 Riverside Near Gavilan Peak. 500 Comment
  RSA433687  Eschscholzia californica H. Twining 1890-03 s.n. Riverside Riverside Comment
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Oct 27 2011
  SD262328  Eschscholzia californica Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-27 317 74 Riverside Temescal Valley: North side of Concordia Ranch Rd., slopes just east of Black Powder Rd (Alberhill 7.5'Q) 392 Comment
  RSA614396  Eschscholzia californica subsp. californica D. L. Banks, Victor W. Steinmann 1997-3-13 1530 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  RSA695435  Eschscholzia minutiflora Scott D. White, Michael Honer 2003-5-14 9288 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  RSA747992  Eschscholzia minutiflora Scott D. White, Justin M. Wood 2009-4-28 12614 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  UCR51968  Eschscholzia minutiflora Steve Boyd, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross, S. Meury 1988-3-10 2116 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  RSA0056409  Eschscholzia minutiflora James R. Shevock 1972-3-5 1368 Riverside Jeep Rd., Anza to Borrego Springs. Comment
  UCD96514  Eschscholzia papastillii Shannon M. Still; Robert Lee 2009-3-3 452 Riverside California. Riverside County: Joshua Tree National Park. 537 Comment
  CAS-BOT-BC419610  Eschscholzia parishii Aven Nelson; Ruth Nelson 1939-3-29 3320 Riverside Near Palm grove, Hidden Springs Canyon Comment
  CHSC99598  Eschscholzia parishii LeRoy Gross; Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1421 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. Near 33 deg. 37'32'N, 115deg.19'54'W to 33deg.36'52'N, 115deg.19'54'W. UTM 3721895N,655238E to 372066N, 654757E. General collecting along canyon bottom and slopes. Yellow flowered annual growing in sand on bottom of canyon. 514 Comment
  JEPS51691  Eschscholzia parishii W. L. Jepson 1928-4-23 12549 Riverside wash 2 1/2 mi below Cottonwood Spring; Eagle Mts. 487 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
  RSA0022915  Eschscholzia parishii I. M. Johnston 1917-4-4 1003 Riverside Colorado Desert: Palm Canyon. 305 Comment
  JEPS66858  Escobaria vivipara var. alversonii W. L. Jepson 1912-10-30 5252 Riverside Black Point Riverside Mts., Colorado River (Riverside Mts, expedition along the Colorado River) 45 Comment
  UCR231047  Eucalyptus A. C. Sanders, T. B. Salvato 2012-1-3 39957 Riverside Peninsular Range, Riverside, south side of UCR campus near old C.E.S. Director's garden, south of South Campus Dr. near College Bldg. North 358 Comment
  SEINET7904490  Eucalyptus robusta Paul Schallert 1957-1 10883 Riverside Banning. Morongo Moravian church-yard Comment
  UCR69794  Eucalyptus viminalis A. C. Sanders, Chet McGaugh 1991-7-19 11143 Riverside Peninsular Range, Murrieta Hot Springs, large vernal pool on the south side of Murrieta Hot Springs Road, east of Via Princesa & north of Calle del Lago 348 Comment
  HSC13506  Eucrypta chrysanthemifolia C. L. Hitchcock 1966-3-16 24177 Riverside 0.25 mi. W of Aguanga Comment
  RSA564284  Eucrypta chrysanthemifolia Ed LaRue 1993-5-11 s.n. Riverside Murrieta Oaks, 3 miles (airline) NW of Murrieta Hot Springs, W side oh Hwy 215. 457 Comment
  SBBG35042  Eucrypta chrysanthemifolia var. bipinnatifida T. L. Secrest 1951-5-21 Riverside 3 mi S of Banning Comment
  SDSU18371  Eucrypta chrysanthemifolia var. chrysanthemifolia C. Matt Guilliams, Jeannine Ross 2008-3-12 530 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 428 Comment
  RSA78474  Eucrypta micrantha Verne Grant, Alva Grant 1952-3-20 17503 Riverside On road from Palm Springs to Santa Rosa Mountains a few miles south of intersection with Indio Road. 305 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
  SEINET6060470  Euonymus occidentalis Scott D. White 1919-1-6 6946 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  UC869898  Euonymus occidentalis var. parishii C. Epling and Wm. Robison 1935-6-20 Riverside N. Fork San Jacinto R. Comment
  UCR264235  Euphorbia micromera A. C. Sanders, Jim Malusa 2015-9-10 41842 Riverside Sonoran (Colorado) Desert, mouth of Red Canyon at Salt Creek wash 390 Comment
  POM113410  Euphorbia misera M. French Gilman 1926-5-9 1375 Riverside Whitewater River Bridge 396 Comment
  JEPS51905  Euphorbia palmeri W. L. Jepson and H. M. Hall 1901-5-19 1302 Riverside Strawberry Valley; Mt. San Jacinto Comment
  UCR103273  Euphorbia polycarpa B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3575 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  UCR23560  Euphorbia polycarpa John C. Roos 1965-6-23 s.n. Riverside Sonoran (Colorado) Desert, Cactus City, just east of the Mecca Hills on Interstate Hwy 10 [and 25 mi. east of Indio]. 500 Comment
  UCR264244  Euphorbia polycarpa A. C. Sanders, Jim Malusa 2015-9-10 41852 Riverside Sonoran (Colorado) Desert, Salt Creek Canyon, along Summit Road c. 1.5 miles above mouth of Red Canyon, edge of Chocolate Mountains Aerial Gunnery Range 433 Comment
  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
  UCR18358  Euphorbia serpens O. F. Clarke 1977-10-10 s.n. Riverside University of California, Riverside campus, NE of parking lot #6. Comment
  UCR215128  Euphorbia spathulata Sarah C. Pasquini 2008-4-15 10 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, c. 6 miles west of Murrieta, c. 60 m off Waterline Road 560 Comment
  POM130427  Eustoma exaltatum H. M. Hall 1896-8-21 11023 Riverside Santa Ana River, near Riverside Comment
  CDA28512  Fagonia laevis M. S. Wasbauer 1960-3-26 Riverside Shaver s Summit. 0 Comment
  SBBG92239  Fagonia laevis D. F. Howe 1980-4-15 Riverside Interstate 10, 1 mi W of Mesa Verde; S slope of McCoy Mtns Comment
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Jul 18 2012
  UCR86213  Fagonia pachyacantha A. C. Sanders 1995-5-23 17115 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fans below the Santa Rosa Mountains, north of Toro Canyon., west of Monroe St., and south of Avenue 62 91 Comment
  UCR167420  Festuca 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
  SBBG103914  Festuca microstachys var. microstachys S. D. White 1993-4-20 1216 a Riverside SE of Estelle Pk, Gavilan Hills 792 Comment
  UCR180145  Festuca myuros Mitch Provance 2003-4-26 9904 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  JOTR31057  Filago californica La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2040 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lower Covington Flats; STOP 1: drainage heading toward Smithwater Canyon, rocky canyon with narrow sandy bottom Comment
  UCR115351B  Filago californica A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16281 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  UCR225189  Filago californica Steve Boyd, Susan Jett 2008-3-20 11831 Riverside Peninsular Ranges; Santa Ana Mountains region, Eastern flank of the range along El Cariso Truck Trail ca. 0.5 mi north of Highway 74. (33 deg. 39'26"N, 117 deg. 24'25"W). 732 Comment
  RSA796320  Filago depressa Duncan S. Bell 2009-4-18 197 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  UCR262457  Filago depressa Stan C. Spencer 2001-4-27 s.n. Riverside Peninsular Range, edge of Wilson Creek, east of Sage Rd. near Radec 511 Comment
  POM13750  Forestiera pubescens E. C. Jaeger 1920-4-13 67 Riverside Onstatt Cr. Santa Rosa Mts. Comment
  RSA115035  Forestiera pubescens E. K. Balls 1955-7-19 20974 Riverside Hwy, 74, 17 mi. se. of Mountain Center on road to Palm Springs. Comment
  RSA0018947  Fragaria vesca Philip A. Munz 1938-8-13 15320 Riverside Cedar Spring, north base of Santa Rosa Peak. 2287 Comment
  CAS-BOT-BC211663  Frankenia salina R. F. Hoover 1968-6-6 11153 Riverside 1 mile east of Perris Comment
  RSA0103088  Fraxinus velutina Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8552 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  UC217971  Fraxinus velutina P. A. Munz and I. M. Johnston 1922-5-7 5279 Riverside Keyes Ranch Little San Bernardino Mts. 1066 Comment
  UC878152  Fraxinus velutina P. A. Munz and I. M. Johnston 1922-5-7 5279 Riverside Keyes Ranch Little San Bernardino Mts. 1066 Comment
  RSA192339  Fraxinus velutina var. coriacea E. W. Lathrop 1966-3-2 6048 Riverside 12 miles NW of Murrieta, Skyline Drive Road at junction of Wildomar and Los Alamos truck trails 878 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
  UCR23170  Fritillaria biflora C. Filmer 1981-4-12 81- 18 Riverside Gavilan Hills, c. 25 m north of the S entrance to Harford Springs Co. Park. 579 Comment
  UCR232069  Gaillardia pulchella John F. Green 2008-4-24 13- 03 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris along Hwy 74, between Lazy Lizard Dr. and Wasson Canyon Rd. 504 Comment
  RSA0120004  Galium andrewsii Duncan S. Bell, Thomas Stoughton 2016-4-13 9257 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  JEPS56081  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and Clare Hardham 1965-6-18 4137 Riverside junction Route 71 and Route 74 San Jacinto Mountains, Paradise Valley (s end of mts) Comment
  RSA607791  Galium angustifolium subsp. angustifolium R. S. Woglum 1941-6-14 3067 Riverside Peninsular Ranges: Santa Rosa Mountains [Riverside/San Diego counties]. Comment
  UC416636  Galium angustifolium subsp. angustifolium H. M. Hall 1896-9-2 325 Riverside San Jacinto Mountains Comment
  UCR147545  Galium angustifolium subsp. jacinticum Naomi Fraga, Sarah De Groot, Valerie Soza 2004-6-28 1283 b Riverside Peninsular Range; San Jacinto Mtns., along Red Hill Road (5S10) near Alvin Meadows, SW of Pine Cove 1677 Comment
  UCR189590  Galium angustifolium subsp. jacinticum Andrea Salzman 2006-6-29 156 Riverside Peninsular Range, San Jacinto Mountain Range, Pine Cove off of Red Hill Road, 0.1 mi south of Alvin Meadow 1566 Comment
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Feb 19 2017
  UC144128 Image available Galium jepsonii Charlotte M. Wilder 1909-8-3 1113 Riverside Whitewater Basin; ; Riverside Co. Comment
  JEPS9394  Galium parishii A. W. Anthony 1895-7-12 Riverside San Jacinto Mts. 2529 Comment
  SD70520  Galium porrigens var. porrigens Lauramay T. Dempster, G. Ledyard Stebbins 1966-6-17 4240 Riverside Poppet Flat at Keyes Drive, San Jacinto Mountains 1096 Comment
  JOTR16841  Galium stellatum var. eremicum Vanderspek & Youse 1976-2-7 4 /19/1964 Riverside Joshua Tree National Park. WILSON CANYON Comment
  RSA703380  Galium stellatum var. eremicum LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda L. Worlow 2005-2-17 1406 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  UCR216497  Galium stellatum var. eremicum Jim Andre, T. La Doux 2009-3-10 11235 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood 542 Comment
  UCR237512  Galium stellatum var. eremicum Amber Swanson 2011-3-18 213 Riverside Mojave Desert, near campsite off Corn Spring Road in Chuckwalla Mountains 575 Comment
  CAS-BOT-BC158075  Garrya veatchii S. B. Parish 1918-4-3 11697 Riverside Oak Lodge, mouth San Jacinto [Canon] Canyon 914 Comment
  JEPS27520  Gayophytum diffusum subsp. parviflorum W. L. Jepson 2298 Riverside Tauquitz Valley San Jacinto Mt. 2286 Comment
  RSA597515  Gayophytum diffusum subsp. parviflorum Louis C. Wheeler 1945-10-6 6132 Riverside San Jacinto Mountains. Snow Creek and north fork San Jacinto River. 2378 Comment
  UCR87852  Gayophytum heterozygum Michael A. Patten, S. J. Myers 1993-8-20 s.n. Riverside Sonoran (Colorado) Desert, along Tahquitz Creek and behind the debris basin dam in Palm Springs 183 Comment
  POM358673  Geraea canescens N. C. Cooper 1949-3-15 3027 Riverside Palm Springs 122 Comment
  RSA308542  Geraea canescens Henry J. Ramsey, Henry J. Ramsey 1939-11-28 3153 Riverside La Quinta Comment
  UCD132590  Geraea canescens Lewis S. Rose 1967-12-20 67183 Riverside 6 mi. se. of Thousand Palms. 15 Comment
  UCR196371  Geraea canescens Naomi Fraga, Sarah J. De Groot, Lisa Rojas, L. Lubinsky 2005-2-10 1430 Riverside Northeastern Colorado Desert, along Palen Pass Road, near Hwy 177 170 Comment
  RSA93765  Geraea canescens F. W. Peirson 1918-03 1333 Riverside Irrigated field near Indio. Comment
  SEINET9122025  Geraea canescens K. K. Muller 1965-1 1275 Riverside Vacant fields at edge of Indio, very common in sandy soil. Comment
  UC64177  Geranium californicum unknown 1897-7-22 722 Riverside San Jacinto Mt. 1828 Comment
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Jul 4 2010
  UCR108492  Gilia A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16122 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  UCR157429  Gilia N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 183 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  UCR240644  Gilia Tracy Tennant, Mitch Provance 1998-6-16 MOR- 436 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon, in wash just north of woodland stand M15 1098 Comment
  UCR171980  Gilia angelensis John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula; Long Canyon, Southern California Edison right of way, intersection of Southern Cross Road and Agena Street W to Candida Drive 366 Comment
  UCR261418  Gilia angelensis A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41429 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  UCR265818  Gilia capitata Mitch Provance 2012-5-24 512- 08 A Riverside San Gorgonio Pass, Banning, near its border with Beaumont, Smith Creek Wash vicinity, E of Highland Springs Rd., both N and S of W Wilson St. 784 Comment
  CHSC35470  Gilia capitata subsp. abrotanifolia James Henrickson 1973-3-18 8597 Riverside 16 (air) miles E of Temecula, 2.9 miles E of Aguanga along Hwy 71. 822 Comment
  RSA78130  Gilia diegensis Verne Grant, Alva Grant 1953-5-15 18456 Riverside On hwy 74 at Anza junction. 1494 Comment
  UCR21019  Gilia diegensis W. W. Mayhew 1978-5-4 s.n. Riverside San Jacinto Mtns, 2 mi. east of Lake Hemet in Garner Valley. 1341 Comment
  UCR148447  Gilia latifolia John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.5 mile transect along Coachella Canal right-of-way, between siphons 26 and 28, north of Hunters Spring, near S base of Orocopia Mtns. 21 Comment
  RSA0020381  Gilia modocensis Duncan S. Bell, Kim Clark, Keir Morse, Harry Spilman 2013-3-30 4659 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
  RSA0017092  Gilia ochroleuca subsp. exilis D. L. Banks, S. D. Boyd 1995-5-3 0256 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  RSA0017099  Gilia ochroleuca subsp. exilis Scott D. White, Justin M. Wood 2008-6-18 12238 Riverside San Jacinto Mountains: Meadow N/W of Keen Camp Summit, S/W of hwy 79. 1402 Comment
  UC908023  Gilia ochroleuca subsp. exilis Herbert L. Mason 1926-4-30 3112 Riverside 1 mi s Temecula; Temecula Canyon, s of Temecula Comment
  UCR121188  Gilia ochroleuca subsp. exilis D. E. Bramlet 1991-5-10 2138 Riverside Perris-Aguanga Basin region, North Domenigoni Hills, 4300-4500 ft. SE from end of Warren Rd., W side of large peak in Sec. 31, just above saddle 610 Comment
  UCR44192  Gilia ochroleuca subsp. exilis A. C. Sanders, B. Pitzer 1986-4-30 6475 Riverside San Jacinto Mtns., lower Bee Canyon, 0.2 mi. above the mouth of the canyon. 610 Comment
  RSA779590  Gilia scopulorum Duncan S. Bell 2009-3-7 22 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
  UCR87927  Gilia splendens A. C. Sanders 1994-5-29 14559 Riverside San Bernardino Mtns., lower Millard Canyon, at first stream crossing on Forest Service Road 2S05, near Bench Mark 2868 850 Comment
  RSA736984  Gilia stellata J. Andre, T. La Doux 2008-3-21 8835 Riverside Joshua Tree National Park: Upper Wilson Wash, approx 9.5 mi. S. of North Entrance. 1018 Comment
  SD146195  Gilia stellata B. Pitzer, J. Ross 1998-3-8 3608 1 Riverside North-facing bajada on south side of Hayfield Lake between laebed and Highway I-10. 412 Comment
  POM48365  Glyceria striata P. A. Munz, I. M. Johnston 1924-7-27 8784 Riverside Dark Canyon, San Jacinto Mountains 2134 Comment
  UCR264631  Glycyrrhiza lepidota Mitch Provance 2012-6-19 196- 05 Riverside San Bernardino Valley, Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave 226 Comment
  UCR143651  Gnaphalium leucocephalum Arlee Montalvo 2004-10-19 s.n. Riverside Peninsular Range, Temescal Canyon, near Glen Ivy Hot Springs, El Hermano Rd. at Temescal Wash, NE of I-15 and Temescal Canyon Rd. 305 Comment
  UCR104899  Gnaphalium luteoalbum A. C. Sanders 1997-3-19 20040 Riverside Lake Skinner area, Lake Skinner, NW shore near inlet, SW foot of Bachelor Mtn 445 Comment
  POM294579  Gutierrezia californica Lyman Benson 1945-11-10 11914 Riverside 5 miles east of Temecula. 457 Comment
  UCR241003  Gutierrezia californica Tracy Tennant 1998-11-24 157 Riverside San Jacinto Valley, western edge of Hemet, near intersection of Stetson Ave. and California Ave. 473 Comment
  RSA696838  Gutierrezia lucida J. R. Bruff 1927-11-26 35 Riverside Cottonwood Springs. Comment
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Jul 7 2012
  CAS-BOT-BC302142  Gutierrezia sarothrae Meredith A. Lane 1982-10-13 3026 Riverside 19.3 KM (12 mi) E of Kern Camp Summit on California State Highway 74 in the San Jacinto Mountains at Hurkey Creek Picnic Area 1341 Comment
  POM42117  Gutierrezia sarothrae Marcus E. Jones 1900-7-13 s.n. Riverside Elsinore Comment
  UC1118605  Gutierrezia sarothrae A. Lewis 1934-5-1 459 Riverside Leach Canyon Cleveland National Forest, Elsinore Quadrangle Comment
  UC1118607  Gutierrezia sarothrae H. S. Yates 1937-6-27 6703 Riverside 1 mi sw Mt. Eden; Elsinore Quadrangle Comment
  UCR260529  Gutierrezia sarothrae T. B. Salvato 2014-5-29 8041 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully, c. 1.13 mi west of Murrieta Rd and 4.10 mi southeast of Canyon Lake 537 Comment
  CAS-BOT-BC231102  Harpagonella palmeri Steve Boyd 1986-5-1 1816 Riverside Bachelor Mountain: Lower S slopes of Bachelor Mountain, E end of Lake Skinner Comment
  RSA0066623  Harpagonella palmeri Steve Boyd 1986-5-1 1816 Riverside Bachelor Mtn.: Lower south slopes of Bachelor Mtn., east end of Lake Skinner. Comment
  UCR121883  Harpagonella palmeri Ian G. Gillespie, Abby Sirulnik 2000-5-7 36 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
  UCR139181  Harpagonella palmeri Virginia Moran 2003-4-2 s.n. Riverside Peninsular Range, Warm Springs Preserve (managed by Center for Natural Lands Management), approximately 8 km north of Temecula and 3 km northeast of the [west?] end of Hunter Road 396 Comment
  UCR217521  Harpagonella palmeri Rose Cook, Ana Hernandez 2010-4-15 03 Riverside Perris-Aguanga Basin, South of west end of Lake Matthews. 268m south of Cajalco Road, 460 m southeast of Cajalco Road/ La Sierra Avenue intersection 426 Comment
  SDSU13562  Helianthemum scoparium W. Miller with C. Mosse 1972-7-19 Riverside Just outside soth gate, north side of road. Comment
  UCR135846  Helianthemum scoparium A. C. Sanders 2004-4-20 27535 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
  UCR93014  Helianthemum scoparium G. P. Schultz 1994-4-7 70 Riverside Box Springs Mtns, Big Springs Canyon and N on the crest to Two Trees Canyon (S side) Comment
  RSA655230  Helianthemum scoparium var. scoparium Scott D. White 1999-11-12 7629 Riverside Murrietta Area: Corner of Nutmeg and Clinton Keith. 410 Comment
  RSA502917  Helianthus annuus subsp. lenticularis Ed LaRue 1989-4-7 s.n. Riverside Woodcrest area: 1/2 mile NE of the intersection of Van Buren Blvd & Mockingbird Canyon Road. 365 Comment
  UCR140718  Helianthus gracilentus A. C. Sanders 2004-5-12 27889 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  UC184860  Heliotropium convolvulaceum var. californicum E. E. Schellenger Riverside Santa Maria Mts. 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
  POM12215  Heliotropium curassavicum var. oculatum Mary F. Spencer 1921-3-23 s.n. Riverside Mecca -60 Comment
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Sep 7 2011
  RSA180421  Heliotropium curassavicum var. oculatum E. W. Lathrop 1959-9-11 4650 b Riverside 14 miles W of Murrieta Comment
  UCD132956  Helminthotheca echioides A. C. Sanders 2000-11-15 23725 Riverside Perris-Aguanga Basin region: Moreno Valley, east side of ellsworth St. between Cactus Ave. and Allesandro Blvd., near 14400 Ellsworth. 476 Comment
  UCR3298  Hemizonia kelloggii T. R. Plumb 1964-4-9 s.n. Riverside Box Springs Mtns, Box Springs Mt., 1 mi SE of Dog Lady's house [old house near crest of range, c. 33 deg. 58' 53'N, 117 deg. 17' 28'W, along road from Pigeon Pass; later park ranger's house] on S fork of road 762 Comment
  UCR200998  Hemizonia mohavensis Justin M. Wood, Scott D. White, Brandy Ulrich 2008-7-15 023 Riverside Aguanga Basin / San Jacinto Mountain foothills, W of Anza Valley, adjacent to Cave Rock Rd. Approx. 1/4 mile E of Cahuilla Indian Reservation 1215 Comment
  UCR125216  Hemizonia paniculata Mitch Provance 1998-5-5 524 Riverside Riverside, near VABM 1031, hills traditionally called 'Lionshead', or also referred to as 'Challen Hills', located near the corner of Challen Ave. and Calmhill Dr. in the Arlington area 305 Comment
  UCR162759  Hemizonia paniculata John F. Green 2005-10-20 s.n. Riverside Elsinore Basin/Menifee Valley, Bundy Canyon, N of Bundy Canyon Road c. 2 mi east of Hwy I-15 518 Comment
  SEINET7012370  Hemizonia paniculata Wanda P. Vestal, A. G. Vestal 1955-4-21 153057 Riverside At base of Gavilan Hills, west of Perris. Comment
  RSA335027  Hemizonia pungens subsp. laevis Steve Boyd 1985-8-7 1114 Riverside Murrieta area, Clinton Kieth Rd. just E of the Bear Creek development golfcourse Comment
  RSA520922  Hemizonia pungens subsp. laevis D. E. Bramlet 1990-7-26 2062 Riverside Murrieta Creek at the Rancho California Street bridge in Temecula. On W side of creek, just E of Diaz Rd and within the creek channel 330 Comment
  JOTR16736  Hesperocallis undulata Leary, Pat 1975-4-27 1116 Riverside Joshua Tree National Park. TWO MILES EAST OF PINTO WELLS 487 Comment
  RSA0011889  Hesperocallis undulata Linda M. Prince, Jason Koontz, Jennifer Pilapil, Zezva Asanidze 2012-3-25 674 Riverside Desert Lily Reserve. Comment
  UCR91508  Hesperocnide tenella Scott D. White, M. Jacobsmeyer 1996-4-20 3943 Riverside Elsinore Basin, Bundy Canyon, east of Lake Elsinore; c. 1 road mi. east of Bundy Canyon Rd exit from the Interstate Hwy 15 exit 451 Comment
  CAS-BOT-BC131792  Hesperoyucca whipplei E. K. Balls 1955-4-25 20443 Riverside Mt. San Jacinto Comment
  SEINET1908446  Heterocodon rariflorum A. C. Sanders, Mitch Provance 2008-1 35805 Riverside Peninsular Range; San Jacinto Mtns.; Coldwater Creek along trails in vicinity of junction of Sout Ridge and Coldwater Trails, 1.25 m. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station. 1450 Comment
  UCR99567  Heterotheca grandiflora Julie A. Greene, S. D. White 1993-7-5 1400 Riverside San Jacinto Valley, San Jacinto Wildlife Area, on raised wet area, west of dirt road 445 Comment
  UCR23734  Heterotheca sessiliflora subsp. echioides John C. Roos 1937-8-19 2499 Riverside San Jacinto Mtns, Idyllwild Comment
  RSA0063012  Heuchera elegans Robert Kessler 1920-1 s.n. Riverside San Jacinto Mts. Comment
  JOTR31979  Hibiscus denudatus La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2215 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; large wash at mouth of rocky, narrow canyon 719 Comment
  RSA457780  Hibiscus denudatus Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Tim S. Ross 1988-3-10 2218 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  RSA515200  Hibiscus denudatus Steve Boyd, Orlando Mistretta 1986-3-13 1474 Riverside West Side Palen Mts: NE of Desert Center; first large canyon at NW tip of western segment of range. Comment
  RSA695437  Hibiscus denudatus Scott D. White, Michael Honer 2003-5-14 9291 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  RSA701089  Hibiscus denudatus Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11251 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
  UC68535  Hibiscus denudatus H. M. Hall Apr., 1905 5902 Riverside Chuckawalla Springs Colorado Desert, Chuckawalla Springs Comment
  UCR33778  Hibiscus trionum A. Kishaba 1983-11-10 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, west of Thermal Comment
  SD185089  Hilaria rigida John F. Green 2005-2-2 Riverside 3.0 miles east of Desert Beach. 24 Comment
  UCR281014  Hilaria rigida Fred M. Roberts 2016-3-5 7988 Riverside Sonoran (Colorado) Desert, Little Maria Mountains: west end, 4.3 km E Palen Pass and 2.2 km W 'Peak 602" 113 Comment
  RSA0040034  Hilaria rigida W. Marquart 1938-3-12 s.n. Riverside Mule mts. south of Chuckwalla range. Comment
  SDSU12876  Hirschfeldia incana J. Jill Steinberg, Janet Knotts and Kevin Contreras 1998-3-25 32 Riverside Approxiately 200 feet north of Santa Margarita (SDSU) Field Station trailer, on trail to road leading down to Santa Margarita River. 335 Comment
  RSA405282  Hoffmannseggia glauca J. S. Stubblefield 1934-9-12 s.n Riverside Between Desert Center & Blythe. 106 Comment
  CAS-BOT-BC206101  Hoffmannseggia microphylla John Thomas Howell 1928-3-25 3543 Riverside Rocky walls of Painted Canyon [Canon], Colorado Desert Comment
  UCR55321  Holocarpha virgata subsp. elongata L. F. LaPre 1988-7-22 s.n. Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, at the begining of Oak Hill Trail, Nature Conservancy Preserve Comment
  SEINET10449888  Holodiscus microphyllus David B. Dunn 1946-8-18 Dunn 2740 Riverside Round meadow dry hillside among lodge pole pines. San jacinto mts. On top of Peak Comment
  RSA667133  Hordeum depressum A. C. Sanders, Carolyn Washburn 2001-5-10 24248 Riverside San Jacinto River Valley, S side of intersection of Sanderson Ave. and Ramona Blvd., ca. 4 miles NW of San Jacinto 445 Comment
  RSA717054  Hordeum depressum A. C. Sanders 2003-5-9 26582 Riverside San Jacinto Valley: west of Hemet, west edge of Warren Road just north of Hwy 74 (Florida Ave.) 457 Comment
  UCR162940  Hordeum depressum Fred M. Roberts, D. E. Bramlet 2005-4-1 6147 Riverside Upper Salt Creek, W of Hemet, parcel between Devonshire and Florida, c. 0.2km N of Florida and 0.2km W San Diego Aquaduct; c. 2km NW Ryn Field 457 Comment
  UCR92703  Hordeum intercedens A. C. Sanders, D. Malueg, K. D. Jones 1996-4-20 18057 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  UCR100629  Hordeum murinum A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19894 Riverside Lake Skinner area, upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley 595 Comment
  UCR234426  Hordeum murinum Jeremiah George 2012-3-4 s.n. Riverside Peninsular Range; Elsinore Trough, Lake Elsinore area, south of Nichols Rd. and east of Baker St. 387 Comment
  POM352485  Hordeum vulgare H. de Forest, Rempel 1934-4-14 19794 Riverside San Gorgonio Pass. 640 Comment
  RSA633327  Horkelia clevelandii Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38078 Riverside San Jacinto Mountains: San Bernardino National Forest. Above James Reserve in Hall Canyon. 1677 Comment
  UC860209  Horkelia clevelandii P. A. Munz 1922-7-6 6011 Riverside San Jacinto Mts., Talquitz Valley 2194 Comment
  UCR174620  Horkelia cuneata Jennifer H. Jones 2006-6-6 389 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; San Juan Loop Trail 'head 598 Comment
  JEPS68627  Horsfordia alata Marjorie D. Clary 1929-12-1 Riverside Coral Reef Ranch Colorado Desert, Coachella Comment
  JEPS68625  Horsfordia newberryi Marjorie D. Clary 1930-1 Riverside Coral Reef Ranch Colorado Desert Comment
  RSA695584  Hulsea brevifolia Keith E. Hoffmaster 1937-6-6 782 Riverside San Jacinto Mountains. Comment
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2
  CAS-BOT-BC312583  Hulsea vestita subsp. callicarpha Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild Comment
  CSUSB1758  Hunnemannia fumariifolia Morse 1974-6-29 Riverside North end of Linsay Street (Glen Avon). 228 Comment
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Oct 22 2011
  RSA66564  Hymenolobus procumbens F. W. Peirson 1922-4-30 1896 Riverside Road from Temecula River to Hemet. 518 Comment
  RSA496137  Hypochaeris glabra Steve Boyd 1989-3-19 3024 Riverside Vail Lake area,1 mile W of Lake 610 Comment
  UCD133380  Hypochaeris glabra Robert F. Thorne; W. Wisura, E. Lathrop, S. Meury 1985-5-18 60658 Riverside Santa Rosa Plateau: at edge of Cleveland National Forest. 609 Comment
  CAS-BOT-BC219766  Hyptis emoryi W. R. O. No date on label 0416 Riverside S.W. of Colorado Aqueduct West of Rice Comment
  RSA115037  Hyptis emoryi E. K. Balls, Percy C. Everett, S. Tillett 1955-7-19 20977 Riverside Material Collected on Hwy 74, 15.5 mi NE from PinyonFlat F.S. Campground on road to Palm Springs. 701 Comment
  RSA121983  Hyptis emoryi H. S. Yates 1936-4-6 5412 Riverside Palm Springs. 137 Comment
  UC1714339  Hyptis emoryi T. A. Geissman Riverside Box Canyon 3 mi e Mecca; Box Canyon e of Mecca Comment
  UCR233154A  Hyptis emoryi Jim Andre, Glenn L. Clifton 2011-2-22 17458 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  UCSB12882  Hyptis emoryi Breedlove, Dennis 1962-3-11 Riverside Cat Creek, 3 miles southwest of Palm Desert 426 Comment
  SEINET9369856  Hyptis emoryi Unknown 1936-12-19 Riverside Riverside Co., CA (elev 500') 152 Comment
  UCR245799  Isocoma menziesii A. C. Sanders, T. B. Salvato, Ana Hernandez, Karyn Drennen, Angela Collada 2013-10-2 40961 Riverside Peninsular Range, Wilson Valley Preserve, 0.12 mi. S of Wilson Valley Rd., 1.1 mi. east of Sage Rd., 1.65 mi. east (87 deg. ) of Round Top Mtn. 770 Comment
  SD90574  Isoetes howellii Robert F. Thorne, Earl Lathrop 1969-5-12 37930 Riverside Santa Rosa Plateau, Rancho California, large vernal marsh on south end of Mesa de Colorado 625 Comment
  UC400191  Isomeris arborea Ynes Mexia 1929-2-16 2325 Riverside Palm Springs; Colorado Desert Comment
  SD240870  Iva axillaris A. C. Sanders, John F. Green 2012-5-27 40215 Riverside Peninsular Range; Perris-Aguanga Basin Region: eastern edge of Gavilan Hills, powerline route west of San Jacinto River and east of Hwy 74, 5.6 km SE of Perris. 441 Comment
  UCD133365  Iva axillaris R. N. Raynor 1938-6-20 s.n. Riverside Coahuila. Comment
  UCR235052  Iva axillaris A. C. Sanders, John F. Green 2012-5-27 40215 Riverside Peninsular Range; Perris-Aguanga Basin Region, eastern edge of Gavilan Hills, powerline route west of San Jacinto River and east of Hwy 74, 5.6 km SE of Perris 441 Comment
  UC987813  Ivesia saxosa Reid Moran 1941-5-5 846 Riverside e of Quail Spring; Joshua Tree National Monument 1300 Comment
  SEINET5603624 Image available Jacaranda acutifolia Unknown 1961-1 Unknown Riverside Near Citrus Experimental Station, UCR Campus Comment
  CAS-BOT-BC167094  Juglans hindsii A. C. Sanders; R. E. Riefner, Jr. 2009-8-11 37150 Riverside Peninsular Range: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  SEINET10796317  Juncus J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12856 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then several kilometers on Whitewater Canyon Road to where it crosses over the river. Comment
  UCR259224  Juncus arcticus Mitch Provance 2012-4-20 412- 07 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
  UCR158861  Juncus balticus Scott D. White 1994-6-14 2058 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  UCR166807  Juncus bufonius R. E. Riefner Jr. 2005-4-22 05- 238 B Riverside Patton Rd. at Patterson Ave., SE of Winchester near San Diego Aqueduct 452 Comment
  UC1265370  Juncus bufonius var. occidentalis Robert F. Thorne and Earl Lathrop 1969-5-12 37924 Riverside s end Mesa de Colorado, Rancho Californua; Santa Rosa Plateau 624 Comment
  RSA697811  Juncus macrophyllus J. Russell Bruff 1934-6-19 541 Riverside Spring ground in Pinon belt. Comment
  RSA69630  Juncus mexicanus F. W. Peirson 1924-6-1 4676 Riverside River lands along Santa Ana River. 152 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
  UCR131827  Juncus xiphioides Jennie Phui 1998-5-30 032 Riverside San Bernardino Mtns./San Gorgonio Pass, Morongo Indian Reservation, eastern fork of Lion Canyon, 3 miles up Lion Canyon road north of I-10 Fwy 600 Comment
  UCR201869  Juncus xiphioides Justin M. Wood 2008-9-30 179 Riverside SW Perris Basin, Temecula/Murrieta Creek, downstream of 1st Street bridge 305 Comment
  UCR22029  Juncus xiphioides Steve Boyd 1980-5-3 180 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  POM6497  Juniperus californica I. M. Johnston 1918-5-30 s.n. Riverside Between Elsinore and Perris. 548 Comment
  CAS-BOT-BC234564  Justicia californica N. Aitkenhead 1977-2-2 2105 Riverside ~1 mi from J T Mon Rd. & pipeline junction Comment
  CAS-BOT-BC234589  Justicia californica E. A. McGregor 1917-3-18 731 Riverside Painted Canon [Canyon], Colorado Desert Comment
  CAS-BOT-BC234602  Justicia californica C. L. Hitchcock 1940-4-5 5965 Riverside 3 mi. below Cottonwood Springs Comment
  JOTR30676  Justicia californica Andre, Jim, Tasha La Doux 2008-3-21 8828 Riverside Joshua Tree National Park. Upper Cottonwood Cyn, approximately 2 mi. S. of Cottonwood Visitor's Center 880 Comment
  LA202789  Justicia californica Nesta Hutchinson; A. M. Martin 1932-3-26 sn Riverside Shavers Well Comment
  RSA736987  Justicia californica Jim Andre, T. La Doux 2008-3-21 8828 Riverside JTNP: Upper Cottonwood Cyn, approx. 2 mi. S. of Cottonwood visitor s center. 881 Comment
  SDSU2158  Justicia californica A. H. Gallup 1949-3-28 388 Riverside Palms to Pines Hwy. above Desert Center [interpreted to be Palm Desert], San Jacinto Mountain Range, Colorado Desert drainage area, east slope. 152 Comment
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Jan 30 2013
  UCD121643  Justicia californica L. S. Rose 1935-12-19 s.n. Riverside Colorado Desert, Palm Springs. 138 Comment
  JOTR01220  Justicia californica Cole, James E. 1941-3-30 455 Riverside Joshua Tree National Park. COTTONWOOD SRRING WASH Comment
  SBBG44958  Justicia californica I. W. Clokey 1935-4-17 6888 Riverside Cottonwood Springs Comment
  RSA781421  Kallstroemia californica Duncan S. Bell 2011-10-22 3001 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
  CAS-BOT-BC235494  Keckiella antirrhinoides A. C. Sanders 1998-2-19 21654 Riverside San Bernardino Mountains: mouth of Hathaway Canyon, Morongo Indian Reservation, east of Banning 793 Comment
  JEPS8728  Keckiella antirrhinoides C. B. Clokey, I. W. Clokey, and B. C. Templeton 1930-4-15 4742 Riverside Perris to Gavilan Peak 500 Comment
  RSA293255  Keckiella antirrhinoides D. C. Michener 1980-5-8 3663 Riverside Area around Ca 243 at jct with Mt. Edn aRd [22.2 miles north of Mtn Center/5.9 mi. south of beginning of grase of CA 243 at Smith Creek bridge] 1150 Comment
  UCR151958  Keckiella antirrhinoides Steve Boyd, Aydee Virgen 2004-4-13 10855 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  SEINET13768169  Keckiella antirrhinoides I. W. Clokey, E. G. Anderson 1936-4-16 6885 Riverside East of Hemet along San Jacinto River 600 Comment
  CAS-BOT-BC236713  Keckiella antirrhinoides subsp. antirrhinoides Cecil Hart 1922-5-21 s.n. Riverside San Jacinto Pk. Comment
  RSA293257  Keckiella antirrhinoides subsp. antirrhinoides D. C. Michener 1981-5-15 3925 Riverside Palomar Mtns. Dripping Springs just north of the Agua Tibia Wilderness Area and East of the forest service station and campground. 152 Comment
  RSA6731  Keckiella antirrhinoides subsp. microphylla B. D. Stark 1933-4-2 4534 Riverside Pinyon Flats, San Jacinto Mts. Upper Sonoran, (Palms) to Pine Road. 1220 Comment
  UCR138896  Keckiella antirrhinoides var. antirrhinoides D. L. Banks 1997-4-5 1658 Riverside Agua Tibia Mtns., NW Palomar Mtns: Agua Tibia Wilderness Area. south of Dorland Mountain, just east of the Wilderness Area boundary with the Pechanga Indian Reservation, along a tributary of the N fork of Pechanga Creek 762 Comment
  CLARK-A1528-855  Keckiella cordifolia C. M. Flanagan 1973-6-13 OO 715 Riverside Morongo Indian Reservation 914 Comment
  UCR101549  Keckiella cordifolia A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22221 Riverside San Bernardino Mtns., Morongo Indian Reservation, Middle Branch of Millard Canyon 1341 Comment
  UCR225154  Keckiella rothrockii subsp. jacintensis Steve Boyd, Gary Wallace 2005-7-30 11656 Riverside Peninsular Ranges; San Jacinto Mountains region, San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2683 Comment
  UCR262261  Keckiella ternata subsp. ternata T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3724 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  GMDRC6555  Keckiella ternata var. ternata J. M. Andre 2012-6-15 30508 Riverside San Jacinto Mountains: along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest 1172 Comment
  RSA632465  Kickxia elatine Scott D. White 1998-6-17 6753 -B Riverside Along Gavilan Rd. or Santa Rosa Mine Rd.; ca. 7 mi survey route from Gavilan/ Cajalco Rd. jtn. south and east to Santa Rosa Mine/ Post Rd. jtn. 488 Comment
  CLARK-A1528-4699  Koeleria macrantha John C. Roos 1952-4-29 5598 Riverside Reche Canyon 457 Comment
  RSA674943  Koeleria macrantha Scott D. White, Sandy Leatherman 2000-5-31 7977 Riverside Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. 640 Comment
  RSA740082  Koeleria macrantha Scott D. White, Justin M. Wood 2008-6-16 12147 Riverside Meadow at Quinn Flat. 1378 Comment
  UCR24950  Koeleria macrantha A. C. Sanders 1980-7-18 1649 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  SBBG14809  Krameria bicolor E. R. Blakley 1962-11-25 5482 Riverside 5 mi W of Blythe on US Hwy 60 and 70 121 Comment
  SBBG25153  Krameria bicolor Leota Davidson 1965-5-14 112 Riverside Joshua Tree Nat Monument Comment
  UCR17304  Krameria erecta B. A. Carlson 1978-4-22 s.n. Riverside Santa Rosa Mtns, 5 mi. south of Palm Desert, east of Hwy 74 488 Comment
  UCR19180  Krameria erecta John C. Roos 1948-5-15 3857 Riverside Sonoran (Colorado) Desert, S foot of the Eagle Mtns, mouth of Lost Palms Wash Comment
  RSA776573  Krameria erecta Amber Swanson 2011-4-8 368 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  NY43122  Krameria grayi J. B. Walker 1995-5-4 1417 Riverside San Bernardino National Forest, Hwy 74, 3km E of junction with Santa Rosa Mtn Rd 1400 Comment
  UC1329866  Krameria grayi James E. Cole 1941-5-22 768 Riverside Joshua Tree National Monument Ruby Lee Mill Site; , Ruby Lee Mill Site 914 Comment
  UC1539727  Krameria grayi Chas. B. Fiker 1946-4-17 3393 Riverside w side Colorado Desert; w side of Colorado Desert Comment
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Mar 23 2014
  JEPS48457  Lamarckia aurea W. L. Jepson 1939-4-17 19120 Riverside 2 mi s of Corona (on road to Temecula) Comment
  POM10522  Lamarckia aurea C. F. Baker 1909-04 s.n. Riverside Riverside. Comment
  UCR101796  Lamium amplexicaule George K. Helmkamp, E. A. Helmkamp 1997-3-5 1329 Riverside 2.8 mi SE of Gilman Hot Springs 518 Comment
  POM2798  Larrea tridentata Marjorie Shaw 1916-03 s.n. Riverside Palm Springs. Comment
  UC867939  Larrea tridentata Alice Eastwood 1913-4-30 3085 Riverside Palm Springs Comment
  CAS-BOT-BC352707  Lasthenia coronaria C. L. Hitchcock; C. V. Muhlick 1962-3-16 22125 Riverside Temescal Canyon, 8 mi. S of Corona Comment
  POM361560  Lasthenia coronaria Ora M. Clark 1929-2-24 1518 Riverside Cabazon, Colorado Desert. Comment
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Mar 13 2011
  POM361587  Lasthenia coronaria M. B. Dunkle 1935-3-10 4356 Riverside Temescal Canyon. 274 Comment
  UCR213520  Lasthenia coronaria A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38365 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
  IRVC27654  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1997-3-13 2490 Riverside Nichols Road Wetlands, ca 335 m SE of Nichols Road, 91m W of Collier Ave. and 305 m W of the I15, E of the existing dirt road extending S from Nichols Rd. and adjacent to Alberhill Creek 381 Comment
  RSA502915  Lasthenia glabrata subsp. coulteri Ed LaRue 1989-4-7 s.n Riverside Woodcrest area: 1/2 mile NE of the intersection of Van Buren Blvd & Mockingbird Canyon Road. 365 Comment
  POM13768  Lasthenia gracilis P. A. Munz 1922-4-29 5088 Riverside 0.5 mile south of Lake Elsinore. 381 Comment
  RSA336169  Lasthenia gracilis R. F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 52001 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  SBBG98246  Lasthenia gracilis M. V. Hood 1945-3-25 Riverside Cottonwood Crk near Aguanga 609 Comment
  SDSU17520  Lasthenia gracilis Jerry Jenkins 2001-4-3 2001 -031 Riverside Santa Margarita Ecological Reserve. Ravine south of S. M. River, UTM zone 6, 482400E, 3700400N. UTM transfered to GIS. Comment
  UC34661  Lasthenia gracilis H. M. Hall 1902-4-26 2971 Riverside vicinity Riverside; Box Springs Mt. 701 Comment
  UC62983  Lasthenia gracilis H. M. Hall 1902-4-21 2926 Riverside vicinity Riverside 457 Comment
  POM10364  Lathyrus vestitus subsp. laetiflorus Charlotte M. Wilder 1904-5-13 76 Riverside North side of Jurupa Hills Comment
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Sep 3 2011
  POM12803  Lathyrus vestitus subsp. laevicarpus P. A. Munz 1922-6-24 5803 Riverside Pipe Creek, Hemet Valley 1585 Comment
  SD2658  Lathyrus vestitus var. vestitus Unknown 1925-5-10 Riverside Banning, Idylwild Road 1554 Comment
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Nov 17 2011
  UCR116578  Lathyrus vestitus var. vestitus Scott D. White 1993-3-15 1196 Riverside Peninsular Range, Elsinore, Hwy 74, just west of NW corner of Lake Elsinore. Dickey Canyon. Comment
  UCR165607  Layia glandulosa T. B. Salvato, John F. Green 2004-5-27 705 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  RSA495457  Layia platyglossa Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 2985 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  UC828958  Layia platyglossa Munz and Johnston 1922-5-19 5419 Riverside Hemet Valley; San Jacinto Mountains 1402 Comment
  RSA660657  Layia platyglossa subsp. campestris C. A. Schideler 1981-4-11 21 Riverside E on Cajalco Rd., mil. 520916. Comment
  RSA310052  Lemna gibba Wayne P. Armstrong 1983-10-8 1170 Riverside Santa Ana River, East of bridge where Highway 31 crosses river. (N of Norco). 207 Comment
  UCR234989  Lemna minor A. C. Sanders, John F. Green 2012-5-27 40216 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Creek at I-15 crossing, between Alberhill and Horsethief Canyon 363 Comment
  UCR153379  Lepechinia cardiophylla Orlando Mistretta 1992-8-31 788 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Ana Mountains; Sierra Peak; Cleveland National Forest. Astragalus brauntonii survey 701 Comment
  UCR162888  Lepidium dictyotum var. dictyotum Fred M. Roberts, D. E. Bramlet 2005-4-1 6154 Riverside Upper Salt Creek, W of Hemet, parcel between Devonshire and Florida, c. 0.2km N of Florida and 0.2km W San Diego Aquaduct; c. 2km NW Ryn Field 457 Comment
  CAS-BOT-BC89441  Lepidium fremontii N. Aitkenhead 1977-2-2 2144 Riverside On T/L access just west of Joshua Tree Monument Road. Comment
  HSC66631  Lepidium fremontii Christopher Davidson 1979-4-4 7735 Riverside Orocopia Mtns., E of Box Canyon on Box Canyon Rd., 15.1 mi. E of Mecca, dirt road to the SE 579 Comment
  UC170137  Lepidium fremontii E. E. Schellenger 1895-12-5 92 Riverside Chuckawalla Bench Colorado Desert 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
  RSA429929  Lepidium lasiocarpum Robert M. Perkins 1937-3-15 393 Riverside 4 miles W of Desert Center. Comment
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Dec 18 2011
  UCR41832  Lepidium lasiocarpum A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6031 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  UCR74377  Lepidium lasiocarpum Theo Glenn 1991-5-1 91- 55 Riverside Sonoran (Colorado) Desert, McCoy Mts, NW of Blythe 240 Comment
  UCR275229  Lepidium lasiocarpum subsp. lasiocarpum Allison D. Rudalevige 2012-5-2 003 Riverside Temecula, adjacent to Murrieta Creek, along Diaz Diaz Rd. between Winchester Rd. and Black Deer Loop 311 Comment
  UCR41357  Lepidium lasiocarpum subsp. lasiocarpum N. M. Fellows 1985-3-3 93 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mountain, l mile west of Snow Creek Village 489 Comment
  JOTR30320  Lepidium lasiocarpum var. lasiocarpum La Doux, Tasha, E. Babich, J. Galvin, B. Truesdell, N. Fraga, A. Miller, J. Van Warmerdam 2008-2-4 1765 Riverside Joshua Tree National Park. Hexie Mountains, southern end; Porcupine Wash. Stop #1: Open sandy wash near road heading to Cottonwood. 745 Comment
  JOTR35506  Lepidium lasiocarpum var. lasiocarpum La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3193 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Smithwater Canyon, below steep rock wall at bend in canyon (Biodiversity Hunt stop3) 1241 Comment
  GMDRC6568  Lepidium virginicum var. menziesii J. M. Andre 2012-6-15 30524 Riverside San Jacinto Mountains: along Hwy 243, 8.6 mi. south of Interstate 10 (Banning), just northeast of Hungry Hollow and Poppet Flat; SB Natl. Forest 1309 Comment
  SEINET255559  Lepidium virginicum var. robinsonii Mitch Provance 2004-5-1 7603 Riverside Granitic Knolls of Riverside: Riverside, W side of Versity Hill (Coyote Hill), S side of the UCR campus 396 Comment
  UCR166805  Lepidium virginicum var. robinsonii R. E. Riefner Jr. 2005-4-1 05- 196 Riverside Hemet, hills SW (c. 0.5 mi) off intersection of California Avenue and Stetson Avenue 497 Comment
  UCR250202  Lepidium virginicum var. robinsonii A. C. Sanders 2014-4-23 41047 Riverside Peninsular Range, Gavilan Hills, along Concordia Ranch Rd. at edge of Temescal Valley, above I-15 and east of Black Powder Rd. 384 Comment
  CAS-BOT-BC328099  Lepidospartum squamatum J. Beley 1974-2-20 0057 Riverside Magnolia Rd., 0.5 mi S of Cabazon Comment
  HSC47589  Lepidospartum squamatum Richard Spjut, Judy Adams 1978-11-22 5239 Riverside Colorado Desert, N of Palm Springs ca. 1 mi. S from Jct. with Hwy. 10 Comment
  RSA575857  Lepidospartum squamatum Steve Boyd 1980-9-22 s.n. Riverside Lakeview Mountains, Juniper Flats area along Juniper Flats Rd. at '4 J's Ranch.' Comment
  SD229100  Lepidospartum squamatum Dick Schwenkmeyer 2012-10-16 848 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 505 Comment
  UC1518848  Lepidospartum squamatum Robert F. Thorne, Kay L. Wright and Richard K. Benjamin 1982-10-8 55352 Riverside near Whitewater Post Office mouth of Whitewater Canyon; San Bernardino Mts. 411 Comment
  UC952974 Image available Lepidospartum squamatum E. E. Schellenger 1904-10-15 Riverside Whitewater Wash Colorado Desert; Whitewater Wash, Colorado Desert Comment
  UCR82897  Lepidospartum squamatum A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15806 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  RSA588815  Leptochloa fusca subsp. uninervia D. L. Banks, Steve Boyd 1995-10-17 769 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground., Along the broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  UCR89814  Leptochloa uninervia George K. Helmkamp 1994-3-10 42- 16 Riverside Sonoran (Colorado) Desert, Indio Hills, canyon opening into Coachella Valley, 2 miles east of Thousand Palms on Ramon Road, and 1.3 miles north 122 Comment
  UC737252  Leptodactylon californicum subsp. glandulosum Frank W. Gould 1943-4-18 2142 Riverside on Idlewild cutoff near and above Banning Comment
  POM364670  Leptosiphon floribundus subsp. hallii Anstruther Davidson 1902-5-11 1914 Riverside Martinez Canyon Rd. Comment
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May 22 2012
  UC217892  Lesquerella tenella P. A. Munz and D. Keck 1922-4-9 4815 Riverside Hayfields; Chuckawalla Valley Hayfields; Colorado Desert, Chuckawalla Valley, Hayfields 152 Comment
  UC817474  Leymus triticoides P. A. Munz 1922-6-23 5779 Riverside Hemet Valley San Jacinto Mts. 1371 Comment
  SD229046  Lilium parryi Dick Schwenkmeyer 2012-6-27 738 Riverside May Valley, approx. 5 miles southeast of Idyllwild town center, Mt. San Jacinto, Riverside County, CA. 1531 Comment
  UC454442  Lilium parryi I. J. Condit 1910-6-22 Riverside San Jacinto Mt. 2590 Comment
  UCR217562  Limnanthes gracilis subsp. parishii Jeff B. Galvin 2009-4-2 82 Riverside Peninsular Ranges, foothills of the Santa Ana Mountains, Santa Rosa Plateau, Mesa de Colorado, east of the large vernal pool 607 Comment
  UCD105112  Limonium R. E. Riefner Jr. 2006-8-2 06 356 Riverside Temescal Valley, W side of I-15 Freeway, ca. 1.1 mi N of Temescal Canyon Rd. 289 Comment
  JOTR32961  Linanthus bigelovii La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2712 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  RSA0106573  Linanthus bigelovii Duncan S. Bell 2010-4-2 712 Riverside Arica Mountains: west side of mountain range within the Palen/McCoy Wilderness; approximately 2.5 air miles northwest of Priest Well; collecting along a steep sand ramp at the head of the main western drainage for the mountain range. 559 Comment
  CHSC1280  Linanthus dianthiflorus Sonia R. Westerberg 1938-4-20 Riverside Palm Springs. Comment
  RSA522762  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd, L. Arnseth, T. S. Ross 1990-3-29 3869 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  RSA523487  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd, L. Arnseth, T. S. Ross 1990-3-30 3947 Riverside Vail Lake area, saddle at N base of Big Oak Mtn, S of Black Hills. 732 Comment
  UC106872  Linanthus filipes M. M. Miles 1891-1 Riverside San Jacinto Comment
  RSA0053904  Linanthus floribundus Tracy Tennant, Mitch Provance 1998-6-16 MOR- 409 Riverside Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  GMDRC3554  Linanthus jonesii J. Andre, T. La Doux 2009-2-25 10829 Riverside Big Maria Mountains: along Hwy 95 (west side of highway), approx 15 mi. N. of Blythe. USGS 7.5 min. Quad: Big Maria Mountains 33 deg. 44.529' N 114 deg. 30.988' W. Elev. 308 ft. 94 Comment
  RSA674621  Linanthus liniflorus Scott D. White, Sandy Leatherman 2000-5-31 7975 Riverside Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. 640 Comment
  UCR101468  Linanthus liniflorus A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22216 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Middle Branch of Millard Canyon 1341 Comment
  UCR158131  Linaria canadensis var. texana A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30101 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
  UCR241490  Lithophragma Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 251 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  RSA523535  Lithophragma affine subsp. mixtum Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3994 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  SBBG69642  Lobelia cardinalis M. D. Clary 1928-7-7 Riverside Snow Crk, Mt San Jacinto Comment
  RSA519244  Lobularia maritima Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  UCR228925  Loeflingia squarrosa A. C. Sanders 2011-4-6 39007 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  JEPS69812  Loeseliastrum schottii Dr. L. M. Newlon 1922-4-8 423 Riverside e. Palm Springs (Mt. San Jacinto); Mt. San Jacinto Comment
  UCR260861  Loeseliastrum schottii A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41485 Riverside San Gorgonio Pass, 3.15 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope east of the water bottling plant and south of I-10 449 Comment
  RSA468346  Loeseliastrum schottii Miss Hutchinson 1926-3-1 s.n. Riverside Colorado Desert. [county unspecified] Comment
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Sep 7 2016
  CAS-BOT-BC342108  Logfia arizonica S. B. Parish 1907-4-17 6084 Riverside Palm Springs, Western edge of the Colorado Desert 60 Comment
  SEINET10727477  Logfia arizonica David B. Dunn, Shogo; Schroeder; Bruskin; FOLSOM 1948-3-13 Dunn 3706 Riverside Found growing in a wash. Indio Hills, Colorado Desert. Near Pushawalla. Comment
  SD185137  Logfia depressa A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16143 Riverside Mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and I-10. 328 Comment
  SBBG104028  Logfia filaginoides B. Pitzer, S. Hemstreet 1992-5-21 1946 Riverside St Hwy 74, 1 mi uphill from the 2000 ft marker, and to the left ca. 0.1 mi on old paved rd Comment
  RSA691957  Lomatium dasycarpum Scott D. White, Michael Honer 2003-4-9 8980 Riverside About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak 2349. 549 Comment
  RSA115034  Lonicera subspicata var. denudata E. K. Balls 1955-07 20973 Riverside San Jacinto Mountains, Hwy 74, Hemet to Idyllwild, 2.8 miles NW from Mountains Center. 1189 Comment
  UCR27091  Lotus argophyllus T. P. Krantz, K. Berg 1982-5-26 s.n. Riverside San Jacinto Mtns., along Bonita Vista Road, north of Garner Valley Comment
  RSA303525  Lotus argophyllus var. argophyllus J. R. Shevock 1972-3-5 1360 Riverside Hwy 71 Comment
  UCR91448  Lotus argophyllus var. argophyllus Scott D. White 1995-3-30 2655 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
  UCR35030  Lotus crassifolius L. B. Ziegler 1967-7-5 179 Riverside San Jacinto Mtns, Canyon of the South Fork of the San Jacinto River 1829 Comment
  RSA0018560  Lotus crassifolius Keith E. Hoffmaster 1937-7-5 819 Riverside San Jacinto Mtns. Comment
  POM46818  Lotus hamatus Mary F. Spencer 1920-3-19 1642 Riverside In desert sand near mouth of Tahquitz Canyon, Colorado Desert Comment
  UCR112606  Lotus hamatus A. C. Sanders 1998-5-2 21754 Riverside Santa Ana Mtns., Santa Rosa Plateau, Slaughterhouse Canyon, c. 4 miles (airline) west of Murrieta on Clinton Keith Rd. 488 Comment
  UCR90368  Lotus hamatus Scott D. White 1995-6-30 3429 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  RSA406729  Lotus nevadensis var. nevadensis N. C. Cooper 1949-6-29 4323 Riverside Idlewild, San Jacinto Mountains. 1524 Comment
  UC454681  Lotus nevadensis var. nevadensis I. J. Condit 1910-6-21 Riverside Strawberry Valley San Jacinto Mts. 1524 Comment
  UCR256782  Lotus purshianus T. B. Salvato, Matthew Malle 2013-5-20 7574 Riverside Perris-Aguanga Basin, Menifee, east of Railroad Canyon and west of Hyw I-215. Murrieta Road between Newport Road and La Piedra Road 454 Comment
  UCR82615  Lotus purshianus A. C. Sanders, O. F. Clarke, M. Alexander 1994-1-1 14225 A Riverside San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  RSA770294  Lotus scoparius subsp. brevialatus Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4579 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  JOTR29612  Lotus scoparius var. brevialatus Andre, Jim 2006-4-26 6750 Riverside Joshua Tree National Park. about 0.5 mi. NNE of Rattlesnake Spring on ridge just south of radio tower and NE corner of park boundary 1320 Comment
  POM9364  Lotus scoparius var. brevialatus Mary F. Spencer 1920-4-2 262 Riverside Palm Springs, Colorado Desert. 122 Comment
  CLARK-A1528-2806  Lotus strigosus John C. Roos 1952-4-9 5479 Riverside Riverside 259 Comment
  RSA786103  Lotus strigosus C. P. Cowan 1978-4-25 1267 Riverside 5.1 miles (8.1 km) west on Hwy. 74 from jct. with 243, approaching Hemet. San Jacinto Mts. Whittaker transect no. W-228. 1370 Comment
  UC667365  Lotus strigosus Annie M. Alexander and Louise Kellogg 1941-5-15 2186 a Riverside n slope Eagle Mountains; Colorado Desert 914 Comment
  UCR225719  Lotus strigosus A. C. Sanders 2011-3-30 38908 Riverside Peninsular Range, city of Lake Elsinore, along north edge of Hwy 74 at and above Trellis Lane 457 Comment
  UCR91409  Lotus strigosus Scott D. White 1995-4-5 2733 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 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
  CLARK-A1528-668  Ludwigia peploides Rose Gagnon 1968-5-14 680514-2 Riverside Riverside Comment
  UC998915  Lupinus H. J. Fuller 1942-4-18 Riverside near Mecca (Mojave Desert); , near Mecca Comment
  SEINET5327615  Lupinus albifrons E. A. Zumbro 1903-1 396 Riverside Blue Mt., W. Riverside. Comment
  RSA0118062  Lupinus arizonicus Sarah J. J. De Groot, Thomas Stoughton 2016-2-18 7619 Riverside Mecca Hills: side canyon (east fork) of Painted Canyon. 182 Comment
  RSA457758  Lupinus arizonicus Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2117 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA758323  Lupinus arizonicus Doug Goldman 2005-3-3 3028 Riverside Box Canyon, along the west side of Box Canyon Road, around 10 miles southwest of the intersection with Interstate 10 and around 0.7 miles southeast of Blake Hill 268 Comment
  RSA782073  Lupinus arizonicus Duncan S. Bell 2009-3-9 110 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
  RSA795737  Lupinus arizonicus Jim Andre 2012-3-18 21286 Riverside Palen Valley; along Rice Road (Highway 177) east of Coxcomb Mountains, 9.6 miles south of Highway 62. 208 Comment
  RSA86945  Lupinus arizonicus F. W. Peirson 1921-4-13 2497 Riverside Deep Canyon, about 12 miles southeast of Palm Springs. 274 Comment
  UCR148445  Lupinus arizonicus John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.5 mile transect along Coachella Canal right-of-way, between siphons 26 and 28, north of Hunters Spring, near S base of Orocopia Mtns. 21 Comment
  UCR213387  Lupinus arizonicus A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37446 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
  SEINET10870662  Lupinus arizonicus David B. Dunn 1946-3-15 Dunn 2047 Riverside On dry plateau in vicinity of pushawalla canyon, indio hills. Sparse desert Scrub o f larrea and franseria, with palms at the springs in the canyon Comment
  RSA614536  Lupinus bicolor A. C. Sanders, P. J. MacKay, Tim Thomas, O. F. Clarke 1997-5-4 20687 Riverside N side of the range, Twin Pines Creek below the confluence with Brown Creek. below the confluence with Brown Creek. 854 Comment
  SD152851  Lupinus bicolor Steve Boyd, Tim Ross 1992-5-5 7227 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern Portions of Oak Flats along the Bluewater Trail 730 Comment
  SEINET7063242 Image available Lupinus bicolor A. G. Vestal 1963-5-19 s.n. Riverside About 5.5 miles southwest of Cahuilla on Route 371 [Cahuilla Road]. UTM Zone 11, 515481mE, 3705072mN. (WGS84/NAD83). 887 Comment
  UC1212156  Lupinus bicolor David Dunn 1941-3-29 932 Riverside two mi w Corona; w of Corona Comment
  UCR4176  Lupinus bicolor R. H. Sauer 1965-4-3 s.n. Riverside Peninsular Range, Riverside, south side of Big Springs Road, c. 500 feet from the east end of the street; west foot of Box Springs Mtns. 396 Comment
  POM350064  Lupinus bicolor subsp. microphyllus Bonnie C. Templeton, J. W. Clokey 1930-4-9 1055 Riverside Moreno Grade, S.W. of Beaumont 600 Comment
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Mar 20 2011
  PASA822  Lupinus concinnus Frank W. Peirson 1922-5-19 Riverside Road to Keen's Camp, San Jacinto Mts. Comment
  RSA776230  Lupinus concinnus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 874 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 762 Comment
  UCR60918  Lupinus concinnus Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3166 Riverside Peninsular Range, Vail Lake area; hills just to SW of the dam 488 Comment
  RSA559939  Lupinus concinnus subsp. concinnus Steve D. Boyd 1992-4-18 6890 Riverside Buck Mesa, S of Lake Skinner, 1.8 mi E of main entrance rd to lake along Borell Rd. Comment
  RSA407142  Lupinus concinnus subsp. optatus N. C. Cooper 1944-6-17 1434 Riverside San Jacinto Mountains: above Banning. 1372 Comment
  RSA645612  Lupinus concinnus subsp. optatus Scott D. White, Steve Ogg 1994-4-21 1988 Riverside Millard Canyon, near stream crossing w/ USFS Road 2S05, +/-4 miles south of Bear Wallow Spring. 915 Comment
  RSA501070  Lupinus densiflorus var. lacteus Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3188 Riverside Vail Lake area, head of Temecula Creek Cyn at the dam. 426 Comment
  POM97117  Lupinus densiflorus var. lacteus P. A. Munz 1925-5-20 9841 Riverside East of Dripping Springs. 518 Comment
  CAS-BOT-BC216678  Lupinus excubitus subsp. hallii P. A. Munz 1918-4-27 2153 Riverside Temescal Canyon Comment
  SEINET10838184  Lupinus excubitus var. austromontanus David Charlton 1988-5-28 Charlton 2120 Riverside Santa rosa mtns., S of hwy. 74 Dirt road to toro and santa rosa peaks. Yellow Pine forest with: pinus jefferyi, calocedrus decurrens, abies concolor, and Montane chaparral elements. Rocky hills with gray colored soils form decomposed Granite. Toro camp area, w-facing slopes; fairly common purple-flowered 1' Perennial in hot area 2286 Comment
  SEINET269555  Lupinus excubitus var. hallii Scott D. White 1996-5-27 4068 Riverside Jackrabbit Canyon E. of Moreno Valley and S. of Calimesa between state Hwy. 60 and Gilman Spr. Rd. west and north of 518 Comment
  RSA91199  Lupinus excubitus var. hallii F. W. Peirson 1922-5-18 3063 Riverside Temescal Canyon, western Riverside County 274 Comment
  SD126382  Lupinus formosus D. B. Dunn, Conrad and Kenney 1973-6-15 20769 Riverside At the junction of Highway 74 and 71; a gas station on the southwest corner. 1431 Comment
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May 24 2012
  UC917869  Lupinus hirsutissimus Frank W. Gould 1943-4-18 2141 Riverside on Idlewild cutoff near Banning; near Banning Comment
  POM48510  Lupinus hyacinthinus Mary F. Spencer 1919-7-6 1281 Riverside Tahquitz ridge, San Jacinto Mt. 2439 Comment
  RSA413762  Lupinus longifolius Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  UCR227  Lupinus microcarpus var. densiflorus Frank C. Vasek 1958-4-26 s.n. Riverside Palomar Mtn. Region, Hwy '71' [79], east of Temecula, east end of [Temecula Creek] bridge at E end of cultivated valley [Pauba Valley] 366 Comment
  SBBG114168  Lupinus microcarpus var. microcarpus R. Riggins 1982-4-15 1341 Riverside Guava St (DeLuz Rd) 0.4 mi S jct Washington Ave in Murietta Comment
  SD260053  Lupinus shockleyi J. M. Andre 2013-3-27 24803 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. sout of Rice (Hwy 62). Low dunes. 242 Comment
  JEPS48832  Lupinus sparsiflorus Marjorie D. Clary 1932-5-25 948 Riverside on road to Pinyon Well n Indio (Berdoo Canyon, s slope of Conchilla Range); s slope of Conchilla Range, Berdoo Canyon Comment
  JOTR34176  Lupinus sparsiflorus Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 137 Riverside Joshua Tree National Park. Little San Bernardino Mountains; side canyon of Pushawalla Canyon; Steep rocky/gravelly drainage near elevated seep, and steep gravelly hills surrounding it (Stop 4) 1371 Comment
  SBBG98278  Lupinus sparsiflorus E. K. Balls 1949-4-2 12895 Riverside Hwy 111 between Mecca and Mortmar -60 Comment
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Jun 24 2012
  UCR213497  Lupinus sparsiflorus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-18 38411 Riverside Peninsular Range, southeastern Gavilan Hills near Alberhill, north of Concordia Ranch Rd. and Black Powder Rd. 502 Comment
  POM24304  Lupinus sparsiflorus subsp. sparsiflorus Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA501016  Lupinus succulentus Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3135 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 518 Comment
  UC536840  Lupinus succulentus M. E. Jones 1933-4-5 2 Riverside Hemet Comment
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Mar 24 2011
  UCR137503  Lupinus truncatus D. L. Banks, V. W. Steinmann 1997-3-13 1451 Riverside NW Palomar Mtns, Agua Tibia Mtns: Redhawk Housing Development, north of the Pechanga Indian Reservation in the hills south of the intersection of Marge Place and Tehachapi Pass (S of Redhawk Parkway) 378 Comment
  RSA594517  Lycium andersonii D. L. Banks, Rashmi Pant 1996-5-13 1022 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground., Approximately 2.1 km E of the Dripping Springs Guard Station, S of the junction between the Vail Lake Marina Road and Hwy. 79, just N of the Cleveland National Forest Boundary. T8S R1W; Just N of the NW 1/4, NE 1/4 of sec. 23. 473 Comment
  RSA699028  Lycium andersonii J. R. Bruff 1927-11-26 29 Riverside Cottonwood Springs vicinity. Comment
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Jul 7 2012
  RSA370865  Lythrum californicum Robert F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61277 Riverside Sandia Canyon, De Luz-Murrieta Road 260 Comment
  RSA192015  Lythrum hyssopifolia E. W. Lathrop 1966-5-15 6307 Riverside 3 miles SE of Murrieta on the De Luz Road. Comment
  RSA192017  Lythrum hyssopifolia E. W. Lathrop 1960-6-6 4824 Riverside 14 miles west of Murrieta. Comment
  RSA450762  Machaeranthera asteroides var. asteroides J. C. Roos 1965-10-5 s.n. Riverside Hemet. Comment
  UCR111531  Machaeranthera canescens subsp. canescens A. C. Sanders, Steve Boyd, Mitch Provance, J. Ross 1998-10-25 22282 Riverside San Jacinto Mtns., Pine Meadow along Hwy 74 in Garner Valley (eastern), 1 mi. NW of Hwy 371 junction to Anza 1441 Comment
  RSA495433  Mahonia nevinii Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-12 2959 Riverside Vail Lake area, west shore of lake, Kolb Crk. drainage in series of small side draws. 441 Comment
  RSA523537  Mahonia nevinii Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3997 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  CLARK-A1528-5698  Malacothamnus densiflorus John C. Roos 1960-6-5 Riverside Santa Ana Mountains 1066 Comment
  RSA0104033  Malacothamnus densiflorus Scott D. White 1991-5-13 91 -111 Riverside Hwy 79, immediately W of U.S. Forest Service Campground at Dripping Springs. 549 Comment
  CAS-BOT-BC347688  Malacothrix glabrata LeRoy Abrams 1903-4-6 3213 Riverside Cabazon Comment
  POM362323  Malacothrix glabrata Ora M. Clark 1929-3-16 1718 Riverside NW Whitewater Comment
  RSA727393  Malacothrix glabrata Naomi Fraga, Lisa Rojas 2005-2-10 1385 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  RSA777726  Malacothrix glabrata J. Andre, Glenn L. Clifton 2011-2-22 17429 Riverside Mecca Hills; along Box Canyon Road, 8.5 miles NE of town of Mecca 171 Comment
  SBBG8611  Malacothrix glabrata C. H. Muller 1952-4-6 9498 Riverside ca. 2 mi E of Shavers Summit, E of S entrance of Joshua Tree Nat Monument Comment
  SD224860  Malacothrix glabrata G. K. Helmkamp 1998-4-4 3140 Riverside Southern Mojave Desert: junction of CA hwy 62 (Twentynine Palms hwy) and CA hwy 177 (Desert Center-Rice Rd.) 456 Comment
  SEINET269556  Malacothrix saxatilis var. tenuifolia Scott D. White 1996-5-27 4069 Riverside 'Badlands' Jackrabbit Canyon east of Moreno Valley and south of Calimesa between state highway 60 and Gilman Spring R 518 Comment
  SEINET4584946 Image available Marah fabacea C. Baker 1957-5-3 s.n. Riverside On edge of Redlands 418 Comment
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Aug 16 2015
  RSA0106889  Marah macrocarpa Daphne K. Christopher, Hannah Stevens 2003-4-4 92 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 530 Comment
  UCR160686  Marah macrocarpa John F. Green 2005-2-24 s.n. Riverside Santa Ana Mtns Region, Santa Rosa Plateau, just SE of Redonda Mesa and SW of Mesa de Colorado, 9.6 acre parcel south of the junction of El Cerezo Road and Corona Cala Camino 793 Comment
  UCR20697  Marah macrocarpa A. C. Sanders, Steve Boyd 1980-5-2 1388 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR215516  Marah macrocarpa Daphne K. Christopher, Hannah I. Stevens 2003-4-4 092 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve, off Sage Road 530 Comment
  UCR250873  Marah macrocarpa S. J. Myers, Jennifer Tobin, Michelle Tobin 2013-3-13 1044 Riverside Lakeview Mountains, along powerline access road NE of Juniper Flats Rd. 649 Comment
  UCR4146  Marah macrocarpa Ronald M. Cope 1965-3-20 s.n. Riverside San Jacinto Mtns., beside road from Idyllwild to Banning, seven miles below Lake Fulmor [vicinity of McMullen Flat] 1220 Comment
  POM147636  Marina parryi F. M. Reed 1927-3-20 5427 Riverside Salt Creek Wash. Comment
  RSA550334  Marina parryi Walter Wisura, John Dolan, M. Wall 1992-3-25 4654 Riverside Lowdesert: 9.6 miles S of Wileys Well toward Hwy 78 Comment
  SBBG3314  Marina parryi L. Rowntree 1937-5-23 Riverside Box Cyn Comment
  UCR170285  Marina parryi Chris E. True 2006-2-27 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Park, Hexie Mountains c. 2.5 miles NW of 'Cholla Gardens' exhibit, mouth of Wilson Canyon at west end of Pinto Basin 822 Comment
  UCR196345  Marina parryi Naomi Fraga, Lisa Rojas 2005-2-10 1411 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 502 Comment
  RSA562439  Marrubium vulgare Steve Boyd, T. S. Ross 1992-5-6 7265 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness area. Verdugo Potero, near the Verdugo Trailhead. 732 Comment
  UCR266328  Marsilea vestita D. E. Bramlet 1991-6-15 2192 Riverside Perris-Aguanga Basin Region, bed of San Jacinto River at MWD maintenance road crossing, 3865 ft. south of Ramona Expressway, 4055 ft. east of Pozos Ave., & 1977 ft. SE of Lakeview Hot Springs 433 Comment
  RSA0126838  Matricaria discoidea R. E. Riefner Jr. 2017-4-2 17 -140 Riverside City of Hemet, along California Ave. near Stowe Rd. 468 Comment
  UCR140306  Matricaria matricarioides A. C. Sanders 2004-4-9 27475 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, vicinity of Rose Rd. 457 Comment
  RSA162783  Meconella denticulata J. D. Olmsted 1959-5-1 530 Riverside Along Spring trail below Beek Cabin Windmills, Main Divide Motorway in Northern Santa Ana Mts, 9 miles Sw of Corona, Santa Ana Mts. Tin Mine Canyon to Corona 854 Comment
  CSUSB1105  Medicago polymorpha Kirby W. Brown 1966-2-27 Riverside City of Riverside, UCR campus, Canyon Crest Housing 335 Comment
  SEINET269498 Image available Melica imperfecta Scott D. White 1996-3-31 3852 Riverside Elsinore Basin Bundy canyon southeast of Lake Elsinore. About 1 mile east of Bundy Canyon Road exit from I-15 freeway 450 Comment
  UCR178350  Melica imperfecta Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 1057 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  UCR2545  Melica imperfecta F. M. Reed 1904-4-20 127 Riverside Roadside near Hemet Comment
  UCR270313  Melica imperfecta T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8347 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 384 Comment
  SEINET10599478  Melica imperfecta Frank W. Gould 1944-4-4 Gould 2207 Riverside In Salvia apiana association 12 miles south of Corona on road to Elsinore. Comment
  SDSU12980  Melilotus albus Michael G. Simpson with Claudia A. Luke 1999-10-27 2018 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/4 mile from Southside Facilities. 152 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
  RSA557342  Melilotus indicus Julie Greene 1312 Riverside South of Gated West East road, East of Davis Rd. 433 Comment
  UC63738  Mentha pulegium H. M. Hall Jul 1897 770 Riverside San Jacinto Mt. Comment
  RSA575934  Mentha spicata Steve Boyd 1994-10-14 8395 Riverside Southern Santa Ana Mts., San Mateo Canyon Wilderness Area of the Cleveland National Forest. San Mateo Canyon, steep rocky slope and bedrock pools in canyon bottom upstream from the confluence with Bluewater Canyon. 317 Comment
  CAS-BOT-BC223709  Mentzelia E. A. McGregor 1917-3-19 2053 Riverside Colorado Desert. Indio Comment
  HSC87136  Mentzelia albicaulis Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2113 Riverside N end Palen Mtns., 2 mi. W of Palen Pass 300 Comment
  RSA440423  Mentzelia involucrata A. C. Life 1916-2-20 s.n. Riverside Colorado Desert Comment
  RSA760148  Mentzelia involucrata Gregory Pongetti 2005-4-9 25 -May Riverside Box Canyon Wash, 7.5 miles on Box Canyon Road south of I-10. Comment
  UC872489  Mentzelia involucrata C. L. Hitchcock 1940-3-29 5855 Riverside ca 100 yards e Spring; Cottonwood Canyon Comment
  UCR244910  Mentzelia involucrata Jim Andre 2012-3-19 21379 Riverside Sonoran (Colorado) Desert, Palen Mountains, along Palen Pass Rd at Palen Pass 383 Comment
  CHSC1020  Mentzelia involucrata var. megalantha V. Holt 1935-4-15 Riverside Colorado Desert. Comment
  SFV5018  Mentzelia involucrata var. megalantha F. M. Ball 1964-1-4 s. n. Riverside Open hillside at White Water, 16 miles east of Banning. 457 Comment
  RSA4913  Mentzelia longiloba var. longiloba Carl B. Wolf 1932-4-28 3075 Riverside Chuckwalla Valley, 20 miles west of Blythe on the Mecca road 122 Comment
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Mar 26 2011
  RSA0080432  Microseris douglasii D. E. Bramlet 2005-3-2 3665 Riverside west of Hemet, east of San Diego Canal, west of Warren Rd., south of Hwy 74, north of W Stetson Ave. 457 Comment
  RSA500096  Microseris douglasii subsp. platycarpha Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-2 3214 Riverside Vail Lake Area, W end of bench on S flank of Oak Mt. 518 Comment
  UCR112793  Microseris heterocarpa A. C. Sanders 1997-5-1 20626 Riverside Lake Skinner area, along horse trail in southern part of Lake Skinner Park, west of Tucalota Hills and east of Warren Rd. 488 Comment
  POM306134  Microseris lindleyi Henry J. Ramsey, Henry J. Ramsey 1937-5-30 1341 Riverside Santa Rosa Mountains. Comment
  RSA496135  Microseris lindleyi Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-3-19 3021 Riverside Vail Lake area,1 mile W of Lake 610 Comment
  UCR104920  Microseris lindleyi A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20652 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  UCR133406  Microseris lindleyi Tracy Tennant, J. S. Ross 1998-5-7 MOR- 112 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Wood Canyon (polygon W8), c. 0.6miles NNW of Cabazon. 1280 Comment
  UCR180108  Microseris lindleyi Mitch Provance 2003-4-26 9897 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  SDSU13909  Mimetanthe pilosa Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2147 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, extreme southern end of northern most (narrow) deer grass meadow. 646 Comment
  UCR165610  Mimulus aurantiacus var. aurantiacus T. B. Salvato, John F. Green 2004-5-27 711 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
  POM8577B  Mimulus aurantiacus var. pubescens I. M. Johnston 1920-5-8 2282 Riverside Butte west of Lakeview. 610 Comment
  SEINET7907901  Mimulus bigelovii D. A. Johnson 2005-1 Riverside Joshua Tree Nat'l Park, between Coachella & S entrance to park, S of Interstate 10 914 Comment
  JEPS8165  Mimulus bigelovii var. bigelovii E. E. Schellenger May 1920 Riverside canyon e Coachella; Colorado Desert Comment
  SDSU13930  Mimulus brevipes Michael G. Simpson 2000-5-13 2119 Riverside Santa Margarita Ecological Reserve, ca. 100 feet from Northside field station. 366 Comment
  UC68823  Mimulus brevipes Bertha E. Brittain 1905-5-30 Riverside near Riverside Comment
  UCR154376  Mimulus cardinalis A. C. Sanders, Mike Misenhelter 2005-6-15 30953 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
  UCR240634  Mimulus fremontii Tracy Tennant, Mitch Provance 1998-6-16 MOR- 403 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1052 Comment
  RSA502520A  Mimulus guttatus Steve Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3575 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  RSA802259  Mimulus guttatus Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5006 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  UC886214  Mimulus guttatus Carl B. Wolf 1932-5-25 3673 Riverside 1 mi below, n base of mts. Fish Hatchery; San Jacinto Mts., Snow Creek Canyon 396 Comment
  UCR116890  Mimulus guttatus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24200 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  UCR174076  Mimulus guttatus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32590 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  RSA80472  Mimulus latidens F. W. Peirson 1922-5-19 3043 Riverside Menifee Valley (South of Perris) 427 Comment
  RSA543841  Mimulus palmeri Steve Boyd, Orlando Mistretta 1991-5-22 6304 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  UC26914 Image available Mimulus pilosus J. W. Toumey 1899-9-27 Riverside Banning Comment
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Mar 13 2011
  UCR110957  Mimulus pilosus George K. Helmkamp 1998-6-27 4104 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  UCR89771  Mimulus pilosus Scott D. White 1993-5-27 1420 Riverside North Alberhill Ranch, hills north of Walker Canyon 488 Comment
  LA95899  Mimulus rattanii Frank W. Peirson; 1931-5-30 9379 Riverside Santiago Peak, Glen Ivy Trail 1219 Comment
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Sep 20 2019
  SEINET8349861  Minuartia douglasii Steve Boyd 1992-4-15 6855 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area; Bluewater Cyn along Bluewater Tr. downstream to the confluence with San Mateo Creek. 427 Comment
  UCR122743  Mirabilis bigelovii var. retrorsa George K. Helmkamp, E. A. Helmkamp 1998-4-24 3377 Riverside Santa Rosa Mountains, Pinyon Pines along Calif. Hwy 74 between the San Jacinto and Santa Rosa Mountains 1296 Comment
  CLARK-A1528-636  Mirabilis californica C. M. Flanagan 1973-4-14 OO 106 Riverside Sunnymead 609 Comment
  SEINET272153  Mirabilis californica A. C. Sanders 1997-3-1 19 Riverside Box Springs Mountains: S end of the range along Gernert Rd. in valley drainging to Box Spring Cyn. 457 Comment
  UCR92195  Mirabilis californica D. L. Banks, Steve Boyd 1995-5-3 0274 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
  UCR98699  Mirabilis californica S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  UCR28958  Mirabilis californica var. californica M. G. McLeod, David J. Keil 1977-3-26 12008 Riverside 0.2 mi NW of Prado Dam on California Hwy 71 183 Comment
  SDSU12810  Mirabilis laevis var. crassifolia J. Jill Steinberg, Janet Knotts 1998-4-22 49 Riverside North side of foot trail, approximately 8 km north of Santa Margarita (SDSU) Field station, north of Santa Margarita River. 351 Comment
  CAS-BOT-BC434832  Mirabilis laevis var. retrorsa Joy Keck 1935-4-15 3841 Riverside Lower Morongo Canyon Comment
  RSA652388  Mirabilis laevis var. retrorsa J. Bruce Smiley 1940-3-16 s.n. Riverside Mouth of White water 610 Comment
  RSA68292  Mirabilis laevis var. retrorsa Verne Grant, Alva Grant 1951-4-7 15979 Riverside Colorado Desert, Morongo Valley road [Hwy 62] ca. 1 miles North of Highway 60 671 Comment
  RSA550345  Mirabilis laevis var. villosa Walter Wisura, John Dolan, M. Wall 1992-3-25 4643 Riverside Lowdesert: Cuckwalla Mts. 2.1 mi W of Corn Spring. Comment
  UC279685  Mirabilis laevis var. villosa Edmund C. Jaeger 1926-2-28 Riverside hills near Salt Creek Wash Comment
  POM13389  Mirabilis tenuiloba E. C. Jaeger 1922-3-18 1026 Riverside Palm Springs, Tahquitz Canyon. Comment
  RSA522320  Modiola caroliniana Steve Boyd 1989-7-28 3790 Riverside City of Riverside, campus of the University of California, Riverside.near N entrance to parking lot across from The Barn Comment
  UCR112401  Mohavea confertiflora A. C. Sanders, T. B. Salvato 2000-5-16 23390 Riverside Sonoran (Colorado) Desert, Coachella Valley, under powerlines at gravel pits just south of the mouth of Thermal Canyon 30 Comment
  UCR244865  Mohavea confertiflora Jim Andre 2012-3-19 21377 Riverside Sonoran (Colorado) Desert, Palen Mountains, along Palen Pass Rd at Palen Pass 383 Comment
  POM9325  Mohavea confertiflora Mary F. Spencer 1920-3-12 591 Riverside Mecca. Colorado Desert, below sea level. Comment
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Sep 7 2011
  UCR35351  Mollugo cerviana L. B. Ziegler 1974-7-28 534 Riverside San Jacinto Valley, garden of "Gleason Plantation" 473 Comment
  RSA160551  Monardella australis subsp. australis J. D. Olmsted 1959-7-8 742 Riverside On trail from saddle to San Jacinto Peak, 100 feet above Wellman s Cienega 5 miles ENE of Idyllwild. Drainage area: Tahquitz Creek 2835 Comment
  RSA408712  Monardella australis subsp. australis F. W. Peirson 1924-7-27 4993 Riverside Dark Canyon, near Deer Springs, San Jacinto Mts. Comment
  CAS-BOT-BC220021  Monardella breweri subsp. lanceolata L. R. Abrams 1912-7-11 4922 Riverside Sugar Loaf [Sugarloaf] Valley Comment
  RSA801725  Monardella breweri subsp. lanceolata LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6166 Riverside End of Apela Drive, west end of Strawberry Valley. And south of road (5S24) that runs out to the sewage disposal ponds. Collections are between this road, and Strawberry Creek., Basically ridge north of Strawberry Creek and creek north of this ridge, south of road. This draw drains into Strawberry Creek. 1524 Comment
  UC729818  Monardella breweri subsp. lanceolata Carl B. Wolf 1932-8-4 3914 Riverside San Jacinto Mts. Point View, near Idyllwild 1645 Comment
  CLARK-A1528-3140  Monardella hypoleuca John C. Roos 1962-6-30 Riverside Santa Ana Mountains Comment
  UCR90350  Monardella lanceolata Scott D. White 1995-6-30 3433 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  UCR189792  Monardella macrantha subsp. hallii Josh Koepke 2005-6-5 s.n. Riverside Peninsular Range, Agua Tibia, c. 100 m west of Wood Chuck Road 676 Comment
  UC1499932  Monardella nana E. McClintock, H. Lewis 1941-6-29 78 Riverside Santa Rosa Mt. road, 2.3 mi beyond canyon where stream crosses road Comment
  SEINET8732855 Image available Monardella nana Helen K. Sharsmith 1954-1 4444 Riverside On Forest Service road to Black Mountain ca. 1 mile from highway. Between Fuller Creek and Idlewild, San Bernardino National Forest. Alt. ca. 6500 ft. 1981 Comment
  UCR221463  Monardella nana subsp. arida Elizabeth McClintock 1941-5-31 040 Riverside Peninsular Range; San Jacinto Mtns. Region, [Anza Valley] 1.5 to 2 miles from [south of] turnoff to Anza Monument [from modern Hwy 371] on road to Coyote Canyon 1296 Comment
  RSA401635A  Monardella nana subsp. tenuiflora G. Willett 1931-6-24 s.n. Riverside San Jacinto Mountains. Comment
  RSA750295  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-12 104 Riverside San Jacinto Mts. Deer Springs and Suicide Rock tail. One switchback below the forks, on and around a rocky knoll. Comment
  RSA750297  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-12 106 Riverside San Jacinto Mts. A short distance beyond forks on trail to Deer Springs. Comment
  UCR23122  Monardella nana subsp. tenuiflora Jeanine Derby 1978-6-9 s.n. Riverside San Jacinto Mtns, SE of Lake Fulmor parking lot. Comment
  UCR123187  Monardella robisonii A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24612 Riverside Mojave Desert, Little San Bernardino Mtns, Split Rock, Joshua Tree National Park, north of 'Ruby' VABM 4351 on west side of road 1296 Comment
  UCR266415  Monolepis nuttalliana D. E. Bramlet, M. Tucker, T. Huntley 2005-6-14 3880 Riverside San Jacinto Valley, Bloome property, 540 m north of San Jacinto River, 3150 m east of Davis Rd. at San Jacinto Wildlife Area, south of Mystic Lake Duck Club 433 Comment
  CAS-BOT-BC349803  Monoptilon bellioides Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring 60 Comment
  POM363588  Monoptilon bellioides Ora M. Clark 1929-3-16 1707 Riverside N. of Whitewater Comment
  POM57988  Monoptilon bellioides H. M. Hall 1902-04 2792 Riverside Coyote canyon 152 Comment
  UC485270  Monoptilon bellioides Joseph Grinnell 1910-3-17 Riverside Riverside Mt. Colorado River Comment
  UCR104032  Monoptilon bellioides George K. Helmkamp, E. A. Helmkamp 1998-2-18 2734 Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, 10.6 miles SSW of Chuckwalla Valley Rd. on Graham Pass Rd. 488 Comment
  UCR213931  Monoptilon bellioides Naomi Fraga, Lisa Rojas 2005-2-10 1350 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  RSA254127  Muhlenbergia microsperma Noel Holmgren, Patricia K. Holmgren, Ruth E. Kern 1973-3-21 6436 Riverside Big Maria Mountains, 12 air miles north of downtown Blythe 290 Comment
  UCR242300  Muhlenbergia microsperma A. C. Sanders, T. B. Salvato 2012-10-12 40426 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Wileys Well Rd. c. 3 miles north of Wileys Well/ Bradshaw Trail 155 Comment
  UCR2584  Muhlenbergia microsperma F. M. Reed 1920-1-25 4155 Riverside Riverside, Box Springs Mtns. 579 Comment
  VVC692  Muhlenbergia microsperma P. J. MacKay, C. Sanders 1997-2-8 104 Riverside Sonoran Desert, Palm Springs, Murray Canyon; at edge of creek btw palm groves 243 Comment
  CSUSB410  Muilla maritima D. C. Wald 1967-5-17 Riverside Collected in Bernasconi Hills near Lakeview, on north-facing slope opposite Big Rock. 518 Comment
  RSA741066  Muilla maritima Scott D. White, Justin M. Wood 2008-6-5 12074 Riverside Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  POM12951  Myosurus minimus subsp. apus P. A. Munz, J. M. Johnston 1922-5-19 5379 Riverside Menifee Valley. 412 Comment
  SD105726  Myosurus minimus var. apus T. Cass 1979-6-1 Riverside Vernal pool, Mesa de Burro, Santa Rosa Plateau 680 Comment
  UC724319  Nama Aven and Ruth Nelson 1939-3-30 3348 Riverside Sandy desert hiway 60 from Mecca to Blythe; from Mecca to Blythe Comment
  HSC49188  Nama demissa D. L. Goforth 1979-4-11 115 Riverside Box Canyon, 10 mi. E of Mecca on State Rte. 195. 220 Comment
  UCR41552  Nama demissa A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6102 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  POM72623  Nama demissa var. deserti Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  UC1563093  Nama hispida var. spathulata Steve Boyd, Orlando Mistretta 1986-3-13 1406 Riverside ne Desert Center (jct of Parker Dam Rd and Palen Rd, rd going through pass between Palen and Granite Ranges); Palen Mountains, pass betw Palen and Granite Ranges 182 Comment
  UC149798  Nassella cernua H. M. Hall April 1902 2921 Riverside vicinity of Winchester 304 Comment
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Mar 20 2011
  UCR139620  Navarretia atractyloides A. C. Sanders 2004-7-1 28388 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. N of Bundy Canyon Rd., c. 5 miles due south of Sun City 488 Comment
  UCR280982  Navarretia atractyloides Mitch Provance 2017-5-25 517- 68 Riverside Temescal Valley, 0.3 to 0.5 miles SE of Indian Truck Trail, between Temescal Canyon Rd. and Hwy. 15 361 Comment
  CLARK-A1045-219  Nemacladus glanduliferus 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
  RSA0014941  Nemacladus longiflorus var. longiflorus LeRoy Gross, Evan Meyer 2013-5-21 6118 Riverside West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley. Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near [coordinates given.] 1631 Comment
  RSA0126347  Nemacladus longiflorus var. longiflorus P. A. Munz 1927-5-20 10864 Riverside Cohuila. Comment
  JOTR34081  Nemacladus orientalis La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2976 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  RSA585790  Nemacladus pinnatifidus D. L. Banks, S. D. Boyd 1995-5-9 0417 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. 737 Comment
  CAS-BOT-BC536485  Nemacladus ramosissimus A. C. Sanders; D. Malueg 2003-5-8 26570 Riverside Perris-Aguanga Basin region: Los Alamos Road at Warm Srpings Creek crossing W of Hwy 79, NE of the Hogbacks, N of Los Alamos Rd, and E of the creek 396 Comment
  RSA674707  Nemacladus ramosissimus Scott D. White 2000-5-1 7749 Riverside Corona: Western foothills of Santa Ana Mountains near Bedford Canyon. 351 Comment
  UC1595624  Nemacladus ramosissimus Steve Boyd 1991-5-20 6260 Riverside s flank Alberhill Mtn. (w end adjacent to old clay mine area); Temescal Canyon 426 Comment
  UCR88123  Nemacladus rubescens A. C. Sanders, G. Nuhn 1995-4-20 16579 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
  RSA0119739  Nemacladus tenuis var. aliformis Duncan Bell 2011-3-19 2062 Riverside West side of the Chuckwalla Mountains; north of Red Cloud Mine Road; approximately 1 air mile southwest of Lost Pony Mine. 599 Comment
  UCR127493  Nemacladus tenuis var. tenuis A. C. Sanders, G. Nuhn 1995-4-20 16593 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
  RSA0003796  Nemophila bakeri C. F. Baker 1903-4-4 4123 Riverside Elsinore. Comment
  CLARK-A1656-623  Nemophila menziesii Lois Ann Scott 1978-6-5 Riverside San Jacinto Mountains 1493 Comment
  RSA0128924  Nemophila menziesii Justin M. Wood 2010-3-19 1432 Riverside Beaumont: Near Smith Creek, E of Sun Lakes off S Highland Home Rd. 747 Comment
  RSA523372  Nemophila menziesii G. H. True 1935-2-22 11 Riverside Mockingbird Canyon. 457 Comment
  UCR164572  Nemophila menziesii S. J. Myers 2001-4-18 s.n. Riverside San Jacinto Mtns., Bautista Canyon near Tripp Flats Rd. 1183 Comment
  UCR91858  Nemophila menziesii A. C. Sanders, S. Hawkins 1996-4-24 18073 Riverside San Bernardino Mtns, Morongo Indian Reservation, along dirt road in Hathaway Canyon, near Burro Flats 1159 Comment
  RSA262102  Nemophila menziesii var. integrifolia E. W. Lathrop 1971-3-24 7481 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  RSA523544  Nemophila menziesii var. menziesii Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4004 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR166719  Nicotiana clevelandii Scott D. White, Jennifer H. Jones 2005-4-12 10867 Riverside Coachella Valley, Indio area, vacant land NE of the I-10 Freeway interchange at Jefferson 18 Comment
  UCR256324  Nicotiana obtusifolia Duncan S. Bell 2012-3-18 3175 Riverside Sonoran (Colorado) Desert, Mecca Hills; southeastern section of hills; up a side canyon of the east fork of Hidden Canyon, c. 1.5 air miles southwest of Hidden Spring 129 Comment
  RSA0018763  Nicotiana obtusifolia N. R. Zabriskie, Walter Zabriskie 1972-3-27 474 Riverside ''North Canyon'', Andreas Canyon watershed, east slope San Jacinto Mts. 366 Comment
  UCD126680  Nicotiana obtusifolia Dan Axelrod 1932-3-20 s.n. Riverside exact location unknown. Comment
  UCR167337  Nicotiana quadrivalvis Scott D. White, Jennifer H. Jones 2005-5-24 11101 Riverside Banning Pass area, Cabazon: San Gorgonio River wash and adjacent alluvial flats and benches to W 610 Comment
  UCR92278  Nicotiana quadrivalvis Scott D. White, M. A. Patten 1995-8-16 3552 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
  RSA753479  Nolina parryi Scott D. White, Justin M. Wood 2009-5-21 12868 Riverside Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). 1372 Comment
  UCR21295  Nolina parryi A. C. Sanders, K. Berg 1980-5-1 1348 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley area, 1.8 mi NE of Kenworthy Ranger Station on Morris Ranch Road 1616 Comment
  RSA0056373  Nolina parryi subsp. wolfii James R. Shevock 1971-5-8 1047 Riverside Joshua Tree Nat'l. Mon. 1524 Comment
  SEINET3872753  Notholaena californica subsp. leucophylla Lewis S. Rose 1966-12-13 66102 Riverside Palm Springs, Tahquitz Wash.; 0 183 Comment
  POM3078  Oenothera californica subsp. californica Jenkins, Street 1955 Riverside San Jacinto River Canyon. Comment
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Mar 1 2014
  UC422969  Oenothera californica subsp. californica F. M. Reed 1905-10-2 260 Riverside 547 Chicago Avenue Riverside Comment
  RSA0004528  Oenothera decorticans var. condensata P. A. Munz 1926-1-31 9960 Riverside Dos Palmos Spring, Colorado Desert Comment
  UCR196347  Oenothera deltoides Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Pesach Lubinsky 2005-2-10 1428 Riverside Northeastern Colorado Desert, along Palen Pass Road, near Hwy 177 170 Comment
  UCSB9470  Oenothera deltoides subsp. deltoides Lloyd, Robert 1960-3-23 Riverside One mile from U.S. Hiway 99 on State Road 111, to Palm Springs, San Jacinto Mt. Range 396 Comment
  SEINET5345713  Oenothera deltoides var. deltoides H. M. Hall 1904-5-20 4952 Riverside Viciniity of Riverside, along S.P.R.R. 262 Comment
  UCR112586  Olea europaea Mitch Provance, Seychelle Provance 1998-2-17 89 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
  CAS-BOT-BC427457  Oligomeris linifolia H. S. Yates 1937-3-23 6425 Riverside Near Thermal 30 Comment
  CAS-BOT-BC427469  Oligomeris linifolia L. A. Greata 1905-1-1 490 Riverside Coachella Comment
  UC217918  Oligomeris linifolia P. A. Munz and D. Keck 1922-4-14 4961 Riverside Indian Wells; Colo<rado> Desert <Colorado Desert>, Indian Wells 106 Comment
  RSA0012647  Olneya tesota April Garbat, Kristin Forgrave 2013-5-29 76 Riverside Along Box Canyon Rd from Cottonwood Springs Rd to Mecca. 305 Comment
  RSA779801  Olneya tesota Duncan S. Bell 2009-3-9 100 Riverside Arica Mountains: southeast section of the mountain range approximately 1.2 air miles from Priest Well or approximately 6.5 air miles southwest of the ghost town of Rice. 307 Comment
  RSA0039454  Oncosiphon piluliferum A. C. Sanders, Timothy W. Chumley 2013-4-1 40725 Riverside Hwy 74 at Collier, large vacant parcel at SE corner of intersection, NE edge of Lake Elsinore, between Riverside Dr. (Hwy 74) and Enterprise Way 385 Comment
  SD148226  Oncosiphon piluliferum A. C. Sanders, Mirch Provance and T. B. Salvato 2001-5-8 24209 Riverside Val Verde, between Moreno Valley and Perris; along I-215, 0.9 mile south of Oleander Ave. at south end of Patterson Ave. 456 Comment
  SD173197  Oncosiphon piluliferum Robert Noll 1998-3-23 Riverside Moreno Valley, east of Lake Perris along JFK Dr. [corrected from Blvd.] Comment
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Sep 12 2011
  UCR116799  Oncosiphon piluliferum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24209 Riverside Perris-Aguanga region, Val Verde, between Moreno Valley and Perris, along I-215, 0.9 mi. south of Oleander Ave., at S end of Patterson Ave. 457 Comment
  UCR26900  Oncosiphon piluliferum K. M. Kummer 1981-5-19 s.n. Riverside Box Springs Reserve, Box Springs Mtns. 732 Comment
  UCR269228  Oncosiphon piluliferum A. C. Sanders, T. B. Salvato, Cecile Shohet 2016-2-28 42001 Riverside Peninsular Range, along Hwy 79 c. 1 km east of Los Caballos Rd. and 1 km west of Pauba Rd. 401 Comment
  CAS-BOT-BC56835  Opuntia engelmannii F. R. Fosberg 1932-7-12 8607 Riverside Field redacted by CAS, contact the data manager for more information Comment
  CAS-BOT-BC59013  Opuntia littoralis Carl B. Wolf 1938-6-11 9421 Riverside Field redacted by CAS, contact the data manager for more information 1219 Comment
  POM296281  Opuntia munzii Clarence Bonner 1960-12-25 s.n. Riverside Chuckwalla Well, south side, in the Little Chuckwalla Mountains. 305 Comment
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Jun 23 2011
  RSA6611  Opuntia parryi B. D. Stark 1933-2-19 4529 Riverside 2.5 miles east of Nuevo. [county not specified on label] Comment
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Feb 19 2007
  SEINET10732264  Opuntia parryi Andrew Townesmith, Karen M. Meyer; Tracy Scott 2007-3-17 Townesmith 691 Riverside San Bernardino National Forest, San Jacinto Ranger District. 0.9 miles NE of route 74 on Apple Canyon Road. T6S R3E S3 San Bernardino meridian. 1358 Comment
  RSA550045  Orthocarpus purpurascens Walter Wisura, A. King, L. Newcomb 1992-4-10 4662 Riverside Colorado Desert, Morongo Valley, Mission Creek Ranch W of Highway 62 below Morongo Valley. Comment
  RSA563926  Orthocarpus purpurascens M. A. Patten 1993-3-20 s.n. Riverside SW edge of Hemet, vernal pools at the NW corner of Warren Rd. and Stetson Rd., adjacent to Ryan Field. 457 Comment
  RSA0030793  Orthocarpus purpurascens N. C. Cooper 1944-4-21 1127 Riverside Banning. 701 Comment
  POM351404  Osmadenia tenella E. Crow 1929-4-21 347 Riverside North of Alberhill Comment
  RSA741118  Osmorhiza brachypoda Scott D. White, Justin M. Wood 2008-6-18 12245 Riverside Meadow N/W of Keen Camp Summit, S/W of hwy 79. 1402 Comment
  UC6605  Oxyria digyna H. M. Hall 1897-8-11 794 Riverside n side San Jacinto Mt.; n side San Jacinto Mt.; elevation as 11800 ft 3293 Comment
  UC64503  Oxytheca caryophylloides H. M. Hall 1901-6-24 Riverside in canyons of w side San Jacinto Mountains (Fuller's Mill) 1767 Comment
  RSA287109  Oxytheca emarginata J. C. Lyman 1981-5-22 s.n. Riverside Burned area on the east side of Mt. San Jacinto. 1829 Comment
  RSA506847  Oxytheca trilobata James L. Reveal, Barbara J. Ertter 1976-6-30 4567 Riverside Santa Rosa Mountains, along the dirt road to Santa Rosa Mountain, 4 miles south of Hwy 74. 1738 Comment
  RSA434258  Paeonia californica N. C. Cooper 1947-4-5 2025 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  SBBG65759  Palafoxia arida R. C. and J. R. Robbins 1933-2-15 Riverside Tahquitz Cyn Comment
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Oct 31 2011
  UCR148320  Palafoxia arida John F. Green 2005-1-12 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  UCR90264  Palafoxia arida F. M. Reed 1917-5-19 3843 Riverside Western Colorado Desert, Region of Palm Springs Canyon, mesa south of Palm Springs village 152 Comment
  POM363752  Palafoxia arida var. arida A. N. Dunn, A. M. Martin 1932-3-26 s.n. Riverside Box Canon. [Canyon] Comment
  UC831416  Palafoxia arida var. arida C. L. Hitchcock 1940-3-29 5848 Riverside ca 12 mi e Indio Comment
  CAS-BOT-BC253751  Panicum capillare Justin M. Wood 2008-9-19 130 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge 305 Comment
  UC147835  Panicum capillare H. M. Hall Aug. 1901 Riverside vicinity Riverside; vicinity of Riverside 304 Comment
  VVC1448  Panicum capillare A. C. Sanders, J. Mac 1996-11-23 19662 Riverside San Bernardino Mtns., Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish hatchery, E of VAMB Captain 534 Comment
  POM366029  Panicum urvilleanum Martha Hilend 1928-3-11 105 Riverside About 6 miles SE of Garnet Station Comment
  SEINET223701  Pappostipa speciosa Mary E. Barkworth 1981-5-8 3401 Riverside Near Aguanga close to border with San Diego County 0 Comment
  CSUSB1107  Parkinsonia aculeata R. Van Curen 1970-5-20 28 Riverside Base of Mount Rubidoux at Exit. Roadside. 259 Comment
  UCR95742  Paspalum dilatatum D. L. Banks, V. W. Steinmann 1996-4-20 0902 Riverside Agua Tibia Mtns, NW Palomar Mtns; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California- Emerson Oaks Reserve 524 Comment
  RSA339231  Pectis papposa R. F. Thorne, Gertrud Dahlgren, R. Dahlgren 1979-8-23 53597 Riverside Pinto Basin Road: Along road at meeting area of Mojave and Colorado Deserts 1098 Comment
  SEINET3828350  Pectis papposa Amber Swanson, Linda Jean Foster 2011-1 643 Riverside Washes in the Little Santa Maria Wilderness W of Midland/Blythe-Rice Rd. 272 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
  HSC82816  Pectocarya heterocarpa A. C. Sanders, B. Pitzer, D. Charlton 1986-3-1 6017 Riverside Chuckwalla Valley, 1 mi. W of Hayfield Lake, 2 mi. SW of the pumping station on small cutoff road from Hayfield Rd. to the dirt road to the Colorado River Aqueduct 427 Comment
  RSA781652  Pectocarya heterocarpa Duncan S. Bell 2009-3-8 73 Riverside Arica Mountains: northwest section of mountain range approximately 3.2 air miles northwest of Priest Well, or approximately 6 air miles southwest of the ghost town of Rice. 476 Comment
  SEINET2042520 Image available Pectocarya heterocarpa A. C. Sanders 2001-3-20 23833 Riverside (Desert Hot Springs Quad 7.5') Desert Hot Springs, NW corner of intersection of Pierson Blvd and Atlantic Blvd. Between flood control ditch and Pierson, W of high school. T2S R4E S25, (SE 1/4 of SW 1/4) 335 Comment
  UC494839  Pectocarya heterocarpa Philip A. Munz 1932-3-14 11993 Riverside Deep Canyon Coachella Valley, Deep Canyon 91 Comment
  UCR249666  Pectocarya heterocarpa T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7304 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  SD130322  Pectocarya linearis Ed LaRue 1990-4-13 Riverside 0.5 miles northwest of Aguanga, north of Highway 79 and west of Highway371, ca. 1.5 air miles north of San Diego County Line 640 Comment
  SD236234  Pectocarya linearis John F. Green 2006-4-18 Riverside NE of Murrieta, just S of Los Alamos Road (Clinton Keath Rd) on E and W sides of Liberty Road border between City of Murrietta and unincorporated French Valley (Murrieta 7.5'Q) 415 Comment
  SEINET998821  Pectocarya linearis Mitch Provance 2003-1 6602 Riverside San Bernardino Valley: Riverside, Santa Ana River Wash, just under and NE of the Market St. Bridge. 244 Comment
  UCR171964  Pectocarya linearis John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula, Long Canyon, Southern California Edison right of way between residential areas, south of Rancho California Road and east of Margarita Road 366 Comment
  CLARK-A1528-2248  Pectocarya linearis subsp. ferocula John C. Roos 1937-3-24 1338 Riverside Pigeon Pass Comment
  SBBG15824  Pectocarya linearis subsp. ferocula D. E. Breedlove 1962-3-11 1900 Riverside 5.7 mi SE of US Hwy 395 on St Hwy 74; rd to Hemet 487 Comment
  UCR42381  Pectocarya linearis subsp. ferocula N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 190 B Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  RSA0106692  Pectocarya recurvata Duncan S. Bell, Thomas Stoughton 2010-3-19 560 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; approximately 2 air miles west of Priest Well. 449 Comment
  RSA799078  Pectocarya recurvata Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6874 Riverside South side of Joshua Tree National Park, Cottonwood Spring 905 Comment
  JOTR31055  Pectocarya setosa La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2038 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lower Covington Flats; STOP 1: drainage heading toward Smithwater Canyon, rocky canyon with narrow sandy bottom Comment
  RSA747873  Pectocarya setosa Justin M. Wood 2009-5-11 696 Riverside Garner Valley, Quinn Flat area. 1372 Comment
  UC25025  Pectocarya setosa H. M. Hall 1899-5-1 1183 Riverside Nigger Jim Hill San Jacinto Mountians, Cahuilla Indian Reservation Comment
  RSA523484  Pedicularis densiflora Steve Boyd, Tim S. Ross, L. Arnseth 1990-3-30 3944 Riverside Vail Lake area, summit of Big Oak Mtn, N of lake. Saddle between summits, N slope along rd heading N to Black Hills. 793 Comment
  POM9752  Pellaea andromedifolia var. andromedifolia P. A. Munz 1921-12-31 4697 Riverside Andreas Canyon, Palm Springs. Comment
  SEINET3873378  Pellaea andromedifolia var. andromedifolia Steve Boyd, Timothy S. Ross; Dave Bramlet 1993-5-12 7312 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos Canyon downstream to confluence with Tenaja Canyon.; 0 Comment
  UCR124221  Pellaea mucronata 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
  UCR174376  Pellaea mucronata A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32624 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
  POM50384  Pellaea mucronata var. mucronata W. W. Eggleston 1924-3-10 19533 Riverside San Jacinto Station, Cleveland Forest 600 Comment
  CHSC109686  Pennisetum setaceum Steve Boyd; Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10451 Riverside Peninsular Ranges, San Jacinto Mountains/Colorado Desert: East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs tram station. Comment
  JOTR32846  Pennisetum setaceum La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1543 Riverside Joshua Tree National Park. Little San Bernardino Mountains, east of Queen Mountain, near north entrance to park; basalt rocky outcrops 901 Comment
  RSA412459  Penstemon centranthifolius N. C. Cooper 1945-5-24 1623 Riverside Big Oaks Canyon, Banning, San Gorgonio Mountains. 1220 Comment
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May 13 2011
  RSA97019  Penstemon clevelandii subsp. connatus R. M. Straw 1953-6-4 444 Riverside Head of Palm Canyon, Palms to Pines Hwy. Comment
  UCR12520  Penstemon clevelandii subsp. connatus Frank C. Vasek 1972-4-1 s.n. Riverside San Jacinto Mtns., In one of the westerly branches of Palm Canyon where it intersects the 'Pines to Palms Highway Comment
  CLARK-A1528-4300  Penstemon clevelandii subsp. mohavensis John C. Roos 1942-5-2 1145 a Riverside Joshua Tree National Park Comment
  NY583966  Penstemon clevelandii var. connatus S. B. Parish 1896-4-4 s.n. Riverside Palm Springs, (Agua Caliente,) desert base of San Jacinto Mountain 152.4 Comment
  JOTR32030  Penstemon clevelandii var. mohavensis Herskovits, Tasya & Harding, Mitzi 2011-4-28 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mtns, Queen Valley; east side of Lost Horse Rd.; west facing side of boulder outcrops 1243 Comment
  RSA402124  Penstemon labrosus E. C. Jaeger 1921-7-9 s.n. Riverside Strawberry Valley. 1585 Comment
  UC35608  Pentachaeta aurea H. M. Hall June, 1901 2057 Riverside exposed s slopes in vicinity Chalk Hill; San Jacinto Mountains 1524 Comment
  POM361605  Pentachaeta aurea subsp. aurea M. B. Dunkle 1933-7-20 3714 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  UCR131825  Peritoma arborea Jennie Phui 1998-5-30 027 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
  SD216467  Peritoma arborea var. angustata Carol R. Annable, Lee Baron 1995-3-11 2268 Riverside Cactus City rest stop on Interstate 10. Comment
  HSC79980  Peritoma arborea var. arborea James Henrickson 1973-3-18 8610 Riverside 33 mi. E of Temecula, 5-7 mi. SE of Terwilliger, at N end of Coyote Canyon Rd., first steep grade down to canyon, in wash of Coyote Canyon 762 Comment
  RSA709895  Perityle emoryi Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4596 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  JOTR00924  Perityle emoryi Sipe, Frank 1958-3-7 247 Riverside Joshua Tree National Park. NEAR CHOLLA PATCH Comment
  JEPS41248  Petalonyx linearis F. W. Peirson 1921-3-23 2376 Riverside Deep Canyon; Colorado Desert 335 Comment
  RSA445159  Petalonyx thurberi Donald Myrick 1968-3-4 1802 Riverside On desert at Desert Hot Springs. 305 Comment
  SD181450  Petalonyx thurberi Scott D. White 2001-4-27 8420 Riverside Colorado desert, Shavers Valley, near the I-10 Freeway, ca. 15 miles east of the Indio junction of I-10/SR-111. Bajadas and washes adjacent to powerline access roads near unnamed freeway exit accessing pump station; Cottonwood Basin [quad]. 395 Comment
  SEINET218494  Petalonyx thurberi A. J. Breitung 1953-6-12 15525 Riverside Palm Springs. Comment
  UCR1498  Petalonyx thurberi Paul M. Estes 1962-5-21 129 Riverside Sonoran (Colorado) Desert, 5 mi east of Indio on Hwy 99 0 Comment
  UCR260131  Petunia parviflora A. C. Sanders 2015-2-19 41249 Riverside San Jacinto Valley, 53 acre parcel c. 370 m south of Ramona Expressway and 1 km east of Warren Rd., north of Record Rd. 442 Comment
  CAS-BOT-BC326728  Peucephyllum schottii L. A. Greata 1905-4-1 416 Riverside Coachella Comment
  POM294264  Peucephyllum schottii Lyman Benson 1945-3-29 11625 Riverside Canyon on Palm Spring Rd. Little San Bernardino Mt 610 Comment
  RSA0104411  Peucephyllum schottii Duncan S. Bell, Sarah DeGroot, Cheryl Sevilla 2015-2-10 7742 Riverside Santa Rosa Mountains; upper north fork of Bear Creek, about 5.75 air miles north of the summit of Martinez Mountain. 357 Comment
  RSA5169  Peucephyllum schottii C. B. Wolf 1932-4-26 2980 Riverside Colorado Desert, 8 miles East of Mecca on Blythe road. 91 Comment
  RSA696804  Peucephyllum schottii J. R. Bruff 1932-3-21 s.n. Riverside Base at slope at Spring. 1000 Palms. Comment
  SEINET3005073  Peucephyllum schottii G. Rink 2011-5-1 10511 Riverside North side of the Chuckawalla Mountains near Chuckawalla Spring 505 Comment
  UCR218316  Peucephyllum schottii Jim Andre, T. La Doux 2009-3-10 11248 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
  JOTR32956  Phacelia affinis La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2706 Riverside Joshua Tree National Park. Little San Bernardino Mountains, east of Willow Hole in Wonderland of Rocks Comment
  POM13312  Phacelia ambigua E. C. Jaeger 1921-5-20 1076 Riverside Palm Springs. Comment
  CLARK-A1656-667  Phacelia bicolor Lois Ann Scott 1978-3-28 Riverside Joshua Tree National Park 1066 Comment
  POM18746  Phacelia brachyloba P. A. Munz 1923-6-14 7055 Riverside Glen Ivy Trail to Santiago Peak 1067 Comment
  JOTR35288  Phacelia campanularia subsp. vasiformis Andre, Jim 2012-4-11 20781 Riverside Joshua Tree National Park. NW Eagle Mountains, along dirt road to Black Eagle Mine, 0.7mi east of road to Cottonwood Spring, 34mi south of Hwy 62 at Twentynine Palms. 729 Comment
  UCR244297  Phacelia campanularia subsp. vasiformis Jim Andre 2012-4-16 20875 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd., 1.0 mi. north of south entrance to J.T.N.P. 584 Comment
  POM99023  Phacelia campanularia subsp. vasiformis E. C. Jaeger 1926-4-26 s.n. Riverside Eagle Mts, 30 miles E of Mecca Comment
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Sep 7 2011
  CLARK-A1528-553  Phacelia cicutaria Annette Price 1962-4-22 O 35 Riverside Lake Mathews Comment
  RSA777275  Phacelia cicutaria var. hispida Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4746 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
  UC64056  Phacelia ciliata var. ciliata H. M. Hall 1897-3-20 394 Riverside Temescal Comment
  UC572247  Phacelia crenulata var. ambigua H. S. Yates 1937-3-23 6409 Riverside 3 mi n Palm Springs; San Jacinto Quadrangle 213 Comment
  UCR279512  Phacelia crenulata var. ambigua A. C. Sanders, Jim Malusa 2017-3-27 43113 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, canyon 12 km NE (46 deg. ) of Bombay Beach, on both sides of the Imperial County line 305 Comment
  UC666575  Phacelia cryptantha Harlan Lewis 1942-5-3 1604 Riverside burn 1 mi w Pinyon Flats (Calif. Hiway 74) Comment
  CSUSB135  Phacelia distans K. S. Gill 1965-3-28 Riverside 0.5 mile north of corner of Wood & Roberts Roads in Woodcrest. 548 Comment
  RSA192000  Phacelia distans E. W. Lathrop 1959-4-16 4467 Riverside 14 miles W of Murrieta. Tenaja plateau. Comment
  RSA33875  Phacelia distans N. C. Cooper 1944-4-23 1145 Riverside Banning. 701 Comment
  RSA550347  Phacelia distans Walter Wisura, John Dolan, M. Wall 1992-3-24 4641 Riverside Lowdesert: 5.6 mi. S of I-10 on rd to Corn Spring. Comment
  RSA658860  Phacelia distans J. C. Roos 1966-3-20 s.n. Riverside 2 miles SE of Desert Center. Comment
  SBBG119453  Phacelia distans A. C. Sanders 2004-5-12 27861 Riverside Walker Cyn at N foot of Alberhill Mtn, Temescal Crk 378 Comment
  SEINET5767841  Phacelia distans Norman C. Cooper 1944-4-23 1145 Riverside Banning. Comment
  UC1929820  Phacelia distans Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10495 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UCR101583  Phacelia distans Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  UCR22086  Phacelia distans Steve Boyd 1980-5-3 178 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  UCR92184  Phacelia distans D. L. Banks, Steve Boyd 1995-5-3 0187 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
  UC881112  Phacelia fremontii K. Watkins and E. McClintock 1937-4-10 Riverside Palms-to-Pines Hwy near road to Shumay Comment
  HSC86135  Phacelia imbricata subsp. patula B. Freeman, David Hagstrum 1969-6-28 69062811 Riverside San Jacinto Mtns., University of California James Reserve, bank overlooking Indian Creek Comment
  SEINET3158181  Phacelia ivesiana L. A. Greata sn Riverside Coachella Comment
  RSA757619  Phacelia minor LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4339 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  UCR136276  Phacelia minor A. C. Sanders 2004-4-20 27552 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
  UCR50414  Phacelia minor D. C. Hawks 1988-3-27 s.n. Riverside between Aguanga and Anza, southeast of intersection of Dove and Sycamore Streets, south of Hwy 371. Tule Creek drainage, 1.75 mi airline northeast of Aguanga 762 Comment
  RSA0064523  Phacelia minor Gail Thompson 1970-3-16 B 28 Riverside 1 mi. south of Temecula on dirt road off Main Street. 457 Comment
  UC284690  Phacelia mutabilis C. F. Baker 1895-7-13 Riverside San Jacinto Mts. Comment
  UCR214299  Phacelia neglecta A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37466 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
  RSA27409  Phacelia pedicellata C. L. Hitchcock 1940-3-31 5887 Riverside Between Cottonwood Spring and Pinto Basin. Comment
  UCR172769  Phacelia ramosissima Abby Sirulnik 2000-5-7 34 Riverside Peninsular Ranges; San Jacinto Mtns., Calif. Hwy 243, c. 5 mi. from Interstate 10 1098 Comment
  UC1286986  Phacelia tanacetifolia C. L. Hitchcock 1966-3-15 24147 Riverside 1 mi e Glen Ivy Springs Comment
  UCSB5434  Phacelia tanacetifolia Krogen, Roger 1957-1 Riverside 4 mi. S of junction of Hwy. 60-70 at N edge of Orocopia Mts. Comment
  RSA691955  Phalaris aquatica Scott D. White, Michael Honer 2003-4-9 8977 Riverside Northeast corner of Devonshire Ave. and Warren Road, immediately southwest of 'Tres Cerritos.' Former chicken farm. 473 Comment
  UCR40514  Phalaris aquatica Steve Boyd 1985-8-7 1112 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, Tenaja Rd., 3.3 mi east of junction with 8S01 and 8S02 Comment
  RSA676038  Phalaris minor Scott D. White 2001-4-11 8290 Riverside SONORAN DESERT: Indio Hills foothills / Coachella Valley. Northern terminus f Rio Del Sol Road, about 2 miles north of Thousand Palms. 146 Comment
  UCR225735  Phalaris minor A. C. Sanders, T. B. Salvato 2011-3-30 38893 Riverside Peninsular Range; Elsinore Trough, city of Lake Elsinore, Baker St. c. 100 m NW of Hwy 74/Riverside Dr. 381 Comment
  RSA614096  Pholistoma auritum var. auritum D. L. Banks 1997-4-5 1699 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. South of Dorland Mountain, just west of the Wilderness Area boundry, along a tributary of the north fork of Pechanga Creek. 518 Comment
  UCR200401  Pholistoma membranaceum Tasha La Doux, Jim Andre 2008-3-21 138 Riverside Eastern Mojave Desert, Joshua Tree National Park, Upper Cottonwood Canyon, c. 2 mi south of Cottonwood Visitors Center in canyon just west of paved road 881 Comment
  CAS-BOT-BC135102  Phoradendron californicum Roxana S. Ferris 1918-7-14 964 Riverside by stream at Palm Springs Comment
  CAS-BOT-BC135113  Phoradendron californicum Peter H. Raven 1958-1-23 11418 Riverside in desert wash 7.8 miles N of United States Highway 99 on road to Morongo Valley Comment
  POM48145  Phoradendron californicum S. B. Parish 1920-3-26 20010 Riverside Indian Wells. Comment
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Mar 12 2011
  UC1971181  Phoradendron californicum Louis C. Wheeler 1964-10-17 8640 Riverside North side of Orocopic Mountains: South of Hayfield Reservoir. Comment
  UCR48559  Phoradendron californicum J. Glazner 1985-4-5 s.n. Riverside Sonoran (Colorado) Desert, Corn Springs. 5 mi. SSE of Desert Center 274 Comment
  UCSB10620  Phoradendron californicum Gill, Robert 1960-3-23 Riverside Snow canyon, near end of road; Jan Jacinto Mountain range, Colorado Desert 533 Comment
  SD137585  Phoradendron leucarpum subsp. tomentosum Darin L. Banks 1995-5-9 411 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove area, W of Woodchuck Camping area 737 Comment
  SD229304  Phoradendron leucarpum subsp. tomentosum Dick Schwenkmeyer 2012-4-18 709 Riverside Mt. San Jacinto: Vista Grande, 1.1 mile northwest of U.S. Forestry station on Highway 243, north of Idyllwild. High granite ridge overlooking Gorgonio Pass to the north and Hemet to the west. 1540 Comment
  UCR58849  Phoradendron macrophyllum Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3218 Riverside Peninsular Range, Vail Lake area at N end of Kolb Creek, near campground 457 Comment
  RSA654165  Phoradendron villosum A. C. Sanders, Steve D. Boyd, Mitch Provance, J. Ross 1998-10-25 22285 Riverside San Jacinto Mtns.: Pine Meadow along Hwy 74 in Garner Valley (eastern), 1 mi. NW of Hwy 371 junction to Anza 1441 Comment
  UC6088  Phoradendron villosum Mrs. Gregory 1890-1 Riverside at San Jacinto San Jacinto Comment
  UCSB71044  Phragmites australis Lambert, Adam 2007-2-18 Riverside Torres Martinez Indian Reservation. Torres Martinez Indian Reservation, near the Salton Sea Comment
  UCR239828  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
  RSA733960  Physalis crassifolia W. Marquart 1938-3-12 s.n. Riverside 20 miles west of Blyth. Comment
  RSA778488  Physalis crassifolia Duncan S. Bell 2009-3-8 53 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  SD181326  Physalis crassifolia Scott D. White 1999-4-20 7273 Riverside Southern Foothills of the Big Maria Mts., northwest of Calif. Hwy. 95, wash, ca. 7 road miles north of Interstate 10 / Intake Blvd. jtn. in Blythe 89 Comment
  UC1546690  Physalis crassifolia Barry A. Prigge 1988-2-21 7857 Riverside 2 mi w Clemens Well; Imperial Desert, Orocopia Mountains 228 Comment
  RSA757463  Pilularia americana R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55206 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road 730 Comment
  RSA759628  Pinus attenuata Doug Goldman 2005-5-11 3282 Riverside White Post Turn on Rt. 74, to the E. side of the road and NW part of the turn, about 3.9mi W. of the intersection with Rt. 243. San Bernardino National Forest. 1088 Comment
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Mar 27 2014
  IRVC2819  Pinus contorta subsp. murrayana R. H. Whittaker, W. A. Niering 1963-6-13 SJ 464 Riverside Near summit of Jean Peak just S of San Jacinto Peak. San Jacinto Mtns. 3201 Comment
  POM12749  Pinus contorta var. murrayana Philip A. Munz 1922-7-6 6038 Riverside San Jacinto Peak. Near summit. 3277 Comment
  RSA0031609  Pinus lambertiana Rudolf Schmid, Mena Schmid 2009-5-1 2009 -3 Riverside nw. San Jacinto Mtns., ne. of HW 243 ca. 16 highway km nw. of Idyllwild, in the s. unit of the San Bernardino National Forest, on sw. flank of Black Mtn. Right (as ascending) of Black Mountain Trail on slope covered with Pteridium aquilinum and near, drainage (Indian Creek) with Alnus rhombifolia, uppermost Hall Canyon. 2066 Comment
  UC1543055  Pinus monophylla Donald G. Nelson 1936-5-22 339 Riverside near base Santa Rosa Mountains (on trail down to stream in Palm Springs Canyon, along trail to Palm Canyon from Ribbon Wood Camp); Ribbon Wood Camp, Pines to Palms Highway Comment
  UCD134855  Pinus monophylla Lionel A. Stange 1956-3-31 s.n. Riverside Burn's Spring. Comment
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Mar 13 2014
  UCR8098  Pinus ponderosa B. Freeman 1969-3-25 690325- 7 Riverside San Jacinto Mtns., James Reserve, north of James' House. 1646 Comment
  CLARK-A1528-3564  Pinus quadrifolia John C. Roos 1947-4-5 3436 Riverside San Jacinto Mountains 1462 Comment
  UCSB146  Pinus quadrifolia Rensselaer, Maunsell 1937-9-21 Riverside W. of Vandeventer Flat, San Jacinto Mts. Comment
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Dec 18 2011
  HSC92883  Pinus torreyana A. C. Sanders 1995-12-21 17939 Riverside Riverside: yard at 5081 Magnolia Ave 259 Comment
  UCD120816  Plagiobothrys canescens Bill Wagner 1988-3-9 s.n. Riverside Benton Rd. and San Diego aqueduct, 1/2 mile E of Winchester Rd., NE of Murrieta. 411 Comment
  UCR18127  Plagiobothrys collinus A. C. Sanders 1978-3-26 00214 Riverside Perris-Aguanga Basin region, Woodcrest area, SE of Riverside. North of Mockingbird Creek and Harley John Rd., west of Washington St. 434 Comment
  POM368895  Plagiobothrys collinus var. californicus D. A. Young 1969-3-28 P- 366 Riverside 1/2 Mile NE of interstate 10 on Verbenia Ave. 100 yds S of Chaparral Rd on the SW side of Verbenia Ave. 335 Comment
  UC1605427  Plagiobothrys collinus var. californicus Steve Boyd 1986-4-2 1595 Riverside Harford Springs County Park Gavilan Hills, Gavilan Hills, Harford Springs County Park 609 Comment
  UCR114842  Plagiobothrys collinus var. californicus Mitch Provance 1998-2-17 71 Riverside Jurupa Mountains, Slopes on the W side of Sierra Blvd, c. 0.7 km NNW of the Jensen Quarry 396 Comment
  SD247372  Plagiobothrys collinus var. fulvescens A. C. Sanders, Sandra L. Leatherman and Jeff Crain 2015-4-6 41568 Riverside Peninsular Range: Temescal Valley, large open parcel between Horsethief Canyon Rd. and Hostettler Rd., just south of I-15. 370 Comment
  SD6744  Plagiobothrys collinus var. fulvescens Daniel Cleveland 1882-5-3 Riverside San Jacinto Plains Comment
  UCR246593  Plagiobothrys collinus var. fulvescens A. C. Sanders 2012-3-22 39986 Riverside Peninsular Range; Temescal Valley, foot of Santa Ana Mtns., SE of intersection of Glen Eden Rd. and I-15 Frontage Rd., south of Corona (Lee) Lake 378 Comment
  SD140151  Plagiobothrys leptocladus A. C. Sanders 1993-4-1 13671 Riverside Western edge of Hemet, northeast corner of Myers and Devonshire Streets, just south of Tres Cerritos 459 Comment
  RSA85111  Plagiobothrys nothofulvus J. C. Roos 1952-4-16 5559 Riverside Box Springs Mountains, Pigeon Pass. 396 Comment
  RSA386943  Plantago bigelovii subsp. californica K. Tomlinson, D. Kama, R. F. Thorne 1985-3-27 903 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  UCR240635  Plantago erecta Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 42 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Hathaway Canyon 884 Comment
  RSA793419  Plantago ovata Naomi Fraga, David Fraker, Tommy Stoughton 2012-3-15 3957 Riverside Off of Box Canyon Rd. south of Shaver well on an alluvial plain. 323 Comment
  UC1125638  Plantago ovata H. S. Yates 1937-3-23 5396 Riverside 2 mi n Palm Springs; San Jacinto Quad. 213 Comment
  UCR108724  Plantago ovata Scott D. White, Pam DeVries 1998-2-9 6085 Riverside Coachella Valley, La Quinta/Palm Desert Area: Whitewater River Channel at & near Miles Ave. crossing 30 Comment
  UCR214869  Plantago ovata A. C. Sanders 2010-3-15 37400 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
  SD233899  Platanus racemosa A. C. Sanders, J. Goetzen 1996-5-1 18140 Riverside San Bernardino Mtns.: Morongo Indian Reservation, along dirt road in Hathaway Crk. Cyn., N of Banning. 793 Comment
  RSA445715  Platystemon californicus Frances L. Cramer 1941-5-3 26317 Riverside Joshua Tree National Monument Comment
  RSA543736  Platystemon californicus Steve Boyd, Mike Hammitt 1991-5-2 6071 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
  UCR25367  Platystemon californicus John C. Roos 1952-4-13 5532 Riverside N side of the Box Springs Mountains 457 Comment
  SEINET8719638 Image available Platystemon californicus Jean Coulson 1959-1 s.n. Riverside Box Springs Mts. 2.1 mi. S. of turn off to Radio stations from Pidgeon Pass road. On E. side of road. Comment
  CDA34945  Plecostachys serpyllifolia R. E. Riefner Jr. 2008-12-16 08 -369 Riverside Temecula, Pechanga Pkwy. at Pechanga Resort Dr. Comment
  UC70076  Plectritis ciliosa subsp. insignis F. M. Reed 1905-4-20 728 Riverside vicinity of Riverside (top of Box Springs Mountain); Box Springs Mountain Comment
  RSA526372  Pleuraphis rigida Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio. Comment
  RSA0123174  Pleurocoronis pluriseta Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9063 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  CLARK-A1528-280  Pluchea purpurascens Ken F. Clarke 1971-9-7 Riverside Santa Ana River Comment
  UCR105432  Poa annua A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20702 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek [c. 2.5 miles below Twin Pines Rd. on dirt road] 854 Comment
  VVC569  Poa annua A. C. Sanders, J. Mac 1997-5-4 20702 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek. 854 Comment
  SD144112  Poa howellii A. C. Sanders, P. MacKay, T. Thomas, O. Clarke 1997-5-4 20646 Riverside San Jacinto Mountains; N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of Peak 3740 1067 Comment
  RSA697344  Poa secunda Keith E. Hoffmaster 1937-6-6 s.n. Riverside San Jacinto Mts., a mile or so from a public camp near Keen Camp. Comment
  UCR20815  Poa secunda A. C. Sanders, Steve Boyd 1980-4-17 1340 Riverside San Jacinto Mtns, Pine Meadow in upper Garner Valley 1433 Comment
  UC39727  Poa secunda subsp. secunda H. M. Hall 1899-5-22 1143 Riverside Sacate Verde; San Jacinto Mts 1389 Comment
  UCD91780  Poa secunda subsp. secunda F. W. Peirson 1921-3-22 5368 Riverside Murray Canyon, Colorado Desert. 396 Comment
  RSA0037399  Poaceae Robert F. Thorne 1966-10-15 41807 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway Comment
  UCR165201  Polygala cornuta var. fishiae Robert Cox 2003-9-8 s.n. Riverside Peninsular Ranges, Santa Ana Mtns., along Indian Truck Trail c. 1.8 mi. east of Santiago Peak 1128 Comment
  UCR189801  Polygala cornuta var. fishiae Amy Rowland 2007-5-8 067 Riverside Peninsular Range, Santa Ana Mountains Region, Tin Mine Canyon c. 4 mi southwest of city of Corona, in drainage near Tin Mine trail 427 Comment
  UC1713682  Polygonum amphibium var. emersum I. M. Johnston 1918-5-30 2027 Riverside Lee Lake Temescal Canyon 335 Comment
  RSA509564  Polypodium californicum Ed LaRue 1989-3-30 s.n. Riverside Rancho California area, ca. 4 miles W of Temecula, with Ave. del Oro as the N boundary. 381 Comment
  UCR59663  Polypodium californicum Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2952 Riverside Peninsular Range, Vail Lake area, Temecula Creek Canyon, just below Vail Lake Dam. 488 Comment
  UCR7830  Polypodium californicum Dennis Vander Ven 1968-5-19 s.n. Riverside Peninsular Range, c. 7 mi west of Murrieta on Guava St., 40 yards before road crosses creek for first time from the east(concrete crossing). south side of road on cliff wall 274 Comment
  UCSB62761  Polypodium californicum Kiefer, Lawrence 1963-11-3 Riverside Reche Canyon (S of Loma Linda), W side of canyon, N running ravine just inside county line 426 Comment
  SEINET7048052  Polypogon australis Steven R. Hill 2001-4-29 33527 Riverside Whitewater Canyon, along Whitewater River, east side of canyon, east of Whitewater Canyon Road, about 2 miles north of Route I-10. Elevation about 1800 feet. Comment
  UC70779  Polypogon australis H. M. Hall June 1900 1384 Riverside vicinity Riverside 304 Comment
  RSA736306  Polypogon interruptus Scott D. White, Justin M. Wood 2008-5-13 11953 Riverside I-215 freeway right of way. South of Scott Rd. Comment
  RSA500120  Polypogon monspeliensis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3691 Riverside Vail Lake area, Benches of Arroyo Seco and slopes of adjacent hills to E. 488 Comment
  RSA0051251  Polypogon monspeliensis John C. Roos 1952-4-23 5576 Riverside West side of Box Springs Mts. above Canyon Crest Heights. 457 Comment
  RSA763062  Polystichum imbricans subsp. curtum E. W. Lathrop 1973-6-28 7444 Riverside Bear Springs on the Main Divide Truck Trail, 1 mi E of Santiago Peak, Cleveland National Forest. Comment
  SEINET10538902  Populus fremontii David B. Dunn, Harold L. Lint 1948-1-25 Dunn 3632 Riverside Pushawalla canyon, indio hills. Dry january; no rain since mid-december. Plants Still growing even on top of the desert pavement. Very warm; the cottonwoods Still had many of last year's leaves and were leafing out anew. Found beside Quad 1. Comment
  JEPS64528  Populus fremontii subsp. fremontii S. B. Parish 1913-3-1 8470 Riverside Cult. at Railway station Indio Indio (Salton Basin); Salton Basin -6 Comment
  SD28077  Populus fremontii subsp. fremontii Carl B. Wolf 1932-5-25 3661 Riverside North base of San Jacinto Mountains, mouth of E. Fork of Snow Creek Canyon. 671 Comment
  UC494534  Populus fremontii subsp. fremontii Philip A. Munz 1931-3-13 11942 Riverside Blythe Comment
  POM78961  Potamogeton foliosus I. M. Johnston 1925-7-7 s.n. Riverside Santa Ana River ca. 3 miles S of Wineville [Mira Loma Station]. 183 Comment
  UCR65271  Potamogeton pectinatus Steve Boyd, Orlando Mistretta 1989-7-18 3760 Riverside Peninsular Range, Vail Lake area, along W shore of lake 0.5 mi south of the dam 427 Comment
  UCR16783  Potentilla glandulosa S. Riddell 1973-5-17 730517- 9 Riverside Santa Ana Mtns, Picnic Ground of El Cariso Fire Station on Hwy 74 793 Comment
  RSA0020041  Proboscidea althaeifolia Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6013 Riverside Chuckwalla Valley; south side of Interstate 10, approximately 16 air miles west of Blythe and about 2 air miles southeast of Wileys Well. 122 Comment
  UCR63905  Proboscidea althaeifolia G. R. Ballmer 1990-8-21 s.n. Riverside Sonoran (Colorado) Desert, Palo Verde Valley, 5 mi. west of Hwy 78, on Bradshaw Trail Comment
  JEPS65583  Prosopis glandulosa var. torreyana Marjorie Clary 1934-5-14 Riverside Coachella Comment
  RSA0123110  Prosopis glandulosa var. torreyana Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9017 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 653 Comment
  POM348748  Prosopis pubescens Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  CAS-BOT-BC158288  Prunus fasciculata var. fasciculata Reid Moran 1941-5-4 839 Riverside East of Quail Spring, Joshua Tree Nat. Mon. 1300 Comment
  POM13906  Prunus fremontii Philip A. Munz 1922-3-12 4707 Riverside Andreas Canyon, Palm Springs. [Santa Rosa Mtns., W margin Colorado Des -SW] Comment
  UCR101454  Prunus ilicifolia A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22219 Riverside San Bernardino Mtns., Morongo Indian Reservation, Middle Branch of Millard Canyon 1341 Comment
  RSA0065466  Psathyrotes ramosissima Anne Greenberg 1981-5-17 107 Riverside Palm Desert, HIghway 74, 5 miles N of Highway 111. Comment
  RSA94085  Psathyrotes ramosissima F. W. Peirson 1927-4-12 7165 Riverside Forks of Painted Canyon, near Mecca Comment
  UCR155329  Pseudognaphalium biolettii A. C. Sanders, Mike Misenhelter 2005-3-23 29261 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR174310  Pseudognaphalium biolettii A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32642 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
  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
  UCR228254  Psilocarphus brevissimus A. C. Sanders, T. B. Salvato 2011-4-1 38932 Riverside Peninsular Range, Lake Elsinore area, near Alberhill, Baker St., SW side at dirt road crossing, c. 270 ft. SE of intersection with Pierce St. 385 Comment
  UCR166810  Psilocarphus chilensis R. E. Riefner Jr. 2005-4-22 05- 239 Riverside Patton Rd. at Patterson Ave., SE of Winchester near San Diego Aqueduct 452 Comment
  RSA581690  Psilocarphus tenellus var. globiferus B. Leatherman 1995-5-4 s.n. Riverside Base of low hills south of Winchester in roadside ditch along west side of Highway 79, about 1/4 mile north of intersection with Newport Road 463 Comment
  CAS-BOT-BC362109  Psilostrophe cooperi Philip A. Munz 1940-3-24 15698 Riverside 2 miles north of Cottonwood Springs, Eagle Mts. 914 Comment
  CAS-BOT-BC346353  Psorothamnus L. R. Abrams 1926-3-26 11103 Riverside between Edom and Garnet east of San Gorgonis Pass Comment
  SBBG87900  Psorothamnus arborescens R. F. Thorne, W. A. Tilforth 1980-5-28 54213 Riverside branch ravine running W from Whitewater Cyn, W of rd, ca. 3.2 mi N of Interstate 10 and Whitewater P.O. 609 Comment
  CDA29439  Psorothamnus arborescens var. minutifolius Mike Lahti 2009-7-8 PDR# 1501732 Riverside In east Hemet; found along a ditch bank. 0 Comment
  RSA0027503  Psorothamnus emoryi April Garbat, Kristin Forgrave 2013-5-7 64 Riverside Coachella Valley, along Highway 111 in the sandy soil south of the road. Near the large pile of rocks. North of Mt San Jacinto, along the San Gorgonio River. Comment
  RSA498339  Psorothamnus emoryi T. W. Minthorn 1926-5-13 s.n. Riverside Near Indio. 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
  RSA0127784  Psorothamnus emoryi G. Rink 2013-3-29 11920 Riverside About ten miles west of Blythe, along the T-line for the proposed Quartzite solar power plant. 110 Comment
  CAS-BOT-BC340833  Psorothamnus polydenius J. Cole 1942-5-19 965 Riverside Road to Ruby Lee Mine, 2 miles west of junction with road from Pinto Basin to Twentynine Palms, Joshua Tree National Monument 914 Comment
  CAS-BOT-BC340919  Psorothamnus schottii Marcus E. Jones 1927-4-16 s.n. Riverside Colo. Desert. Hidden Spring, near Shaver's Well Comment
  CAS-BOT-BC340925  Psorothamnus schottii Robert F. Thorne; R. Rutherford 1964-4-12 33655 Riverside About 1 mile W of Turnoff to Cottonwood Wells, along Hwy 60-70 Comment
  CDA27789  Psorothamnus schottii G. D. Barbe 1978-5-2 2366 Riverside 19.2 miles west of Cottonwood Springs Road, 4 miles west of Roadside Rest Area, eastbound lanes I-10 east of Indio. 0 Comment
  POM229423  Psorothamnus schottii Philip A. Munz 1937-5-29 15144 Riverside Dead Indian Creek, north base of Santa Rosa Mts. 457 Comment
  UC1539725  Psorothamnus schottii Chas. B. Fiker 1946-4-16 3390 Riverside West side of Colorado Desert Comment
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Mar 23 2014
  RSA11595  Psorothamnus spinosus C. Epling, Wm. Robison 1933-6-24 s.n. Riverside Near Cathedral City near Palm Springs Comment
  RSA404275  Psorothamnus spinosus Julian P. Donahue 1973-6-16 s.n. Riverside Corn Springs Wash at Corn Spring, Chuckwalla Mountains, 7.5 mi. SE Desert Center 488 Comment
  RSA404277  Psorothamnus spinosus Anstruther Davidson 1928-5-1 s.n. Riverside Colorado Desert. Comment
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Feb 11 2014
  UCSB11480  Psorothamnus spinosus Dearing, Hugh; Dearing, Margaret 1940-6-8 Riverside Near Palm Springs Comment
  POM11504  Pteridium aquilinum var. pubescens P. A. Munz 1922-7-7 6035 Riverside San Jacinto Mountains: Tamarack Valley 2805 Comment
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Sep 10 2009
  UC812707  Pteridium aquilinum var. pubescens P. A. Munz 1922-7-5 6012 Riverside Tahquitz Valley; San Jacinto Mts 2194 Comment
  SD144439  Pterostegia drymarioides Andy C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19889 Riverside Lake Skinner Area, lower Rawson Canyon, NE of the lake and SW of Black Mtn., along the road 518 Comment
  UCR158350  Pterostegia drymarioides A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30080 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
  UCSB41281  Purshia tridentata var. tridentata Cowan, Clark 1978-4-25 Riverside Pinon Flat Campgrd. Hwy. 74, 8.9 mi (14.2 km) E of jct. Hwy 74 & 371. San Bernardino Nat. Forest. Comment
  UCD170875  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
  SEINET10914610  Quercus X acutidens Andrew Townesmith, Karen M. Meyer; Tracy Scott 2007-3-11 Townesmith 674 Riverside Cleveland National Forest. Along South Main Divide Road, 3.5 miles south of intersection with Route 74 890 Comment
  UCD47725  Quercus X acutidens K. R. Montgomery 1969-8-6 69 16 Riverside Wilson Valley Road, 18 miles south of Hemet, Riverside County, California. 1219 Comment
  SEINET1007995  Quercus agrifolia A. C. Sanders, R. E. Riefner Jr. 2005-1 31559 Riverside San Jacinto Mnts: Valley Hi County Park (closed) off Hwy 243 and Twin Pines Rd. at McMullen Flat. 1189 Comment
  UCR158901  Quercus agrifolia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31549 Riverside San Jacinto Mtns., western edge of Vandeventer Flat along Hwy 74 1433 Comment
  UCR94267  Quercus agrifolia Scott D. White 1996-4-14 3914 Riverside Perris Basin/San Jacinto Mtns., E of Hemet: San Jacinto River Wash near Valle Vista, north of Hwy 74, c. 1.7 mi west of USFS Cranston Fire Station 549 Comment
  RSA519253  Quercus berberidifolia Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  SEINET3102123  Quercus berberidifolia Marc A. Baker 2011-10-1 17465 Riverside Ribbonwood, north end of the Santa Rosa Mountains, 2.9km WSW of where Highway 74 crosses Omstoff Creek at the upper reaches of Palm Canyon, 30km south of Palm Springs, granite and schist gravel, rocks, silt, and sand. 1308 Comment
  UCR270178  Quercus berberidifolia A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42399 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site 488 Comment
  SBBG58052  Quercus chrysolepis J. E. Butner 1948-10-3 655 Riverside trail from Idyllwild to San Jacinto Pk 2286 Comment
  UCR209403  Quercus cornelius-mulleri G. F. Pratt 2009-9-27 s.n. Riverside Peninsular Range, 6 miles south of Anza, Terwilliger Valley, eastern slope of Iron Spring Mountain 1264 Comment
  CLARK-A1528-529  Quercus dumosa C. M. Flanagan 1973-5-20 OO 517 Riverside Morongo Indian Reservation 1158 Comment
  SDSU6970  Quercus dumosa H. Wedberg 1962-4-20 905 Riverside 13.4 miles from Hwy 79 in Hemet, and 5.5 miles from Cranston Ranger station on road to Idyllwild. 914 Comment
  UCR189774  Quercus engelmannii Angela Hyder 2006-10-2 077 Riverside Peninsular Range, Lake Skinner, Lake Skinner reserve. 1 mi east of Rawson Canyon. 1 mi north of Black Mountain 660 Comment
  CAS-BOT-BC105323  Quercus kelloggii P. A. Munz 1922-7-2 5943 Riverside Santa Rosa Mts, Santa Rosa 1981 Comment
  RSA571664  Quercus kelloggii C. Epling 1931-10-4 s.n. Riverside Strawberry Valley, San Jacinto Mts. 1585 Comment
  UC455267  Quercus kelloggii I. J. Condit 1910-6-24 Riverside San Jacinto Mts. 914 Comment
  UCSC001110  Quercus kelloggii Peter Kamb 1947-5-17 519 Riverside Hall Canyon, San Jacinto Mountains 1646 Comment
  RSA0028790  Quercus kelloggii C. Epling 1931-10-4 s.n. Riverside Strawberry Valley, San Jacinto Mts. 1585 Comment
  RSA654164  Quercus palmeri A. C. Sanders, Steve D. Boyd, Mitch Provance, J. Ross 1998-10-25 22286 Riverside San Jacinto Mtns.: Santa Rosa Indian Reservation along Hwy 74, 2.1 mi. E of Hwy 371 junction to Anza, just W of Vandeventer Flat. 1463 Comment
  UC64017  Quercus wislizeni W. L. Jepson May 17 1901-Jun 1 1901 1438 Riverside Santa Rosa Indian Village Comment
  RSA215586  Quercus wislizeni L. B. Ziegler 1969-10-24 s.n. Riverside Kenworthy Ranger Station. Hemet Valley, San Jacinto Mts. 1418 Comment
  RSA11363  Quercus wislizeni var. frutescens Louis C. Wheeler 1931-10-3 s.n. Riverside Strawberry Valley, Mt. San Jacinto Comment
  UCR23315  Quercus wislizeni var. frutescens John C. Roos 1952-4-13 5518 Riverside Peninsular Range, Box Springs Mountains 520 Comment
  JOTR32330  Rafinesquia californica La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 2452 Riverside Joshua Tree National Park. West of Queen Mountain, southern end of Wonderland of Rocks; Wonderland Wash, north of Mill Street Mine parking area. Active wash corridor with sandy bottom and surrounded by granitic outcrops and pediments; with heavy foot traffic (Stop 1) 1297 Comment
  RSA519235  Rafinesquia californica Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. All of sec. 33, W/2 sec. 34, NW/4 sec. 3 [T6S] and a small portion of eastern sec 35. 488 Comment
  RSA783426  Rafinesquia californica J. D. Olmsted 1959-5-1 526 Riverside Spring Trail on Beacon Pines Ranch, 9 miles SW of Corona. Santa Ana Mts. 770 Comment
  UCR17633  Rafinesquia californica Jeanine Derby, O. F. Clarke 1974-5-3 s.n. Riverside Lakeview Comment
  RSA472425  Rafinesquia neomexicana Ora M. Clark 1929-2-22 1560 Riverside North of Whitewater, Colorado Desert Comment
  UCD135342  Rafinesquia neomexicana Robert C. Bechtel 1952-3-28 30 Riverside Whitewater. Comment
  UCR214562  Rafinesquia neomexicana A. C. Sanders 2010-3-15 37410 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
  UCR60658  Ranunculus aquatilis var. capillaceus R. F. Thorne 1973-5-23 43839 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  RSA0030881  Ranunculus cymbalaria var. saximontanus Ira W. Clokey, E. G. Anderson 1935-8-21 6627 Riverside Hemet. 1030 Comment
  SBBG128811  Ranunculus muricatus O. F. Clarke 2010-4-16 Riverside O.F.Clarke residence, 266 Frost Court, Riverside, E edge of UCR campus 351 Comment
  SEINET3930658  Rhamnus crocea David Keil 1983-4-15 16893 Riverside East of Temecula on SR79.; 0 Comment
  UC1121808  Rhamnus crocea A. Lewis 1934-5-1 460 Riverside 0.5 mi ne El Casco; Elsinore Quad. 731 Comment
  UCR249823  Rhamnus crocea T. B. Salvato, John Lovio 2013-3-19 7361 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  LA207824  Rhamnus crocea subsp. ilicifolia W. E. Pequegnat; 1939-4-8 19 Riverside Santa Ana Mountains Comment
  RSA335025  Rhamnus ilicifolia Steve Boyd 1985-8-7 1111 Riverside Santa Rosa Plateau Region, NW base of Redonda Mesa on Tenaja Road, 0.8 mile east of jct with 8S01 and 8S02. Comment
  UCD112343  Rhamnus ilicifolia G. H. Vansell 1928-4-1 s.n. Riverside S. Calif. and Coachella Valley. Comment
  UCR139048  Rhamnus ilicifolia D. L. Banks 1997-3-1 1354 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Pechanga Creek, east of the'Fiesta Grounds' to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation 427 Comment
  POM320387  Rhododendron occidentale Anonymous 1968-11-3 s.n. Riverside Fulmor Lake, San Jacinto Mountains Comment
  RSA802096  Rhododendron occidentale Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 4983 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  SBBG59934  Rhododendron occidentale M. Lewis 1948-6-20 Riverside Dark Cyn 1981 Comment
  RSA0034868  Rhododendron occidentale Norman C. Cooper 1944-6-17 1403 Riverside San Jacinto Mountains, above Banning. 1371 Comment
  UCR90985  Rhus aromatica Scott D. White 1996-3-31 3870 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 463 Comment
  CAS-BOT-BC167970  Rhus ovata C. L. Hitchcock; C. V. Muhlick 1964-3-17 23098 Riverside 3 miles s.e. of Glen Ivy Hot Springs Comment
  RSA2102  Rhus ovata Ernest Braunton 1929-3-3 1026 Riverside Morongo Pass. 152 Comment
  RSA358576  Rhus ovata Larry E. DeBuhr 1972-2-25 508 Riverside Santa Rosa Mountains along forest road 7S02 to santa Rosa Pk. 1738 Comment
  RSA702741  Rhus ovata Scott D. White, Michael Honer 2004-4-6 10045 Riverside Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  SD140166  Rhus trilobata Scott White 1993-3-15 1193 Riverside Elsinore, Highway 74, just west of northwest corner of Lake Elsinore Comment
  SEINET3080864 Image available Rhus trilobata A. C. Sanders, J. Goetzen 1996-5-1 18138 Riverside San Bernardino Mtns.: Morongo Indian Reservation, along dirt road in Hathaway Crk. Cyn., N of Banning. 792 Comment
  CAS-BOT-BC108719  Ribes cereum Louis C. Wheeler 1931-10-3 237 Riverside 1.5 mile north Tahquitz Peak, San Jacinto Mountains. 2514 Comment
  UCR87940  Ribes indecorum A. C. Sanders 1994-1-30 14229 Riverside Box Springs Mtns., head of Two Trees Canyon 686 Comment
  RSA615137  Ribes indecorum A. C. Sanders, O. F. Clarke, H Foster 1997-3-2 2320 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
  RSA511348  Ribes malvaceum var. viridifolium B. Pitzer 1988-1 661 Riverside San Jacinto Mts, Hwy 74 below Mtn Center at a large turn out. 1220 Comment
  CAS-BOT-BC212234  Ribes quercetorum Elmer I. Applegate 1927-2-1 4972 Riverside Near Oak Grove, road to Warner Ranch. Comment
  RSA648215  Ricinus communis Stephen Hill 1981-2-16 13 Riverside Cajalco Rd. 1 mile E. of hwy 15. Comment
  POM17950  Romneya coulteri P. A. Munz 1923-6-14 7108 Riverside Trail from Glen Ivy to Santiago Peak. 1006 Comment
  CAS-BOT-BC92173  Romneya coulteri var. coulteri P. C. Everett 1935-6-17 7167 Riverside Santa Ana Mountains. Coldwater Canyon Trail to Santiago Peak, 2 miles above Glen Ivy Resort. 609 Comment
  RSA575833  Rorippa curvisiliqua Steve Boyd 1981-5-15 s.n. Riverside Gavilan Hills region, Temescal Canyon at the confluence of 'Estelle Creek' and Temescal Creek, just northwest of the entrenched meander of Temescal Creek at the western Base of Estelle Mountain 317 Comment
  RSA16352  Rosa californica Percy C. Everett 1935-6-18 7180 Riverside Santa Ana Mts., main divide motorway to Santiago Park., 1 mi. from Ortega Highway. 732 Comment
  UCR116681  Rubus pensilvanicus A. C. Sanders, Chet McGaugh 2001-7-26 24475 Riverside Perris-Aguanga Basin region, Mockingbird Creek, beside Harley John Rd. just above Mockingbird Canyon Rd., Woodcrest area, Riverside 427 Comment
  CAS-BOT-BC158732  Rubus ursinus Alice Eastwood; John Thomas Howell 1937-4-24 3918 Riverside San Juan River east of San Juan Hot Springs Comment
  JOTR29521  Rumex crispus La Doux, Tasha, Mike Bell 2006-9-6 1579 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Barker Dam 1301 Comment
  UCR58459  Rumex maritimus George K. Helmkamp 1989-10-7 s.n. Riverside San Jacinto Mtns., Edge of Lake Hemet 1400 Comment
  SEINET244301  Rumex obtusifolius A. C. Sanders, T. B. Salvato 2001-5-24 24368 Riverside Perris-Aguanga Basin Region; Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon W of junction of Av. Pina Colada 345 Comment
  POM316525  Rumex salicifolius M. French Gilman 1934-7-8 s.n. Riverside San Jacinto Mountains Comment
  CAS-BOT-BC103900  Salix exigua F. R. Fosberg 1932-3-13 8082 Riverside Thousand Palms Can., Coachella Valley Comment
  UCR26182  Salix exigua John C. Roos 1947-2-15 3244 Riverside Sonoran (Colorado) Desert, Lost Palms Canyon, south face of Eagle Mtns., west of Hayfield Dry Lake 997 Comment
  SBBG29056  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-13 602 Riverside E side of bridge over Santa Ana River, 4.8 km N of Arlington on rd to Pedley, W of Eiverside 240 Comment
  UC506446  Salix exigua var. hindsiana Carl Hedin and Joseph Ewan 1933-3-19 7677 Riverside Comment
  CAS-BOT-BC108117  Salix gooddingii F. R. Fosberg 1932-3-13 8081 Riverside Thousand Palms Can., Coachella Valley Comment
  UC492435  Salix gooddingii Carl B. Wolf 1932-4-28 3085 Riverside ca. 800 m from on way to Blythe Bridge State Inspection Station (overflow land back of Colorado R.) 90 Comment
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Mar 26 2011
  UCR127339  Salix gooddingii A. C. Sanders, D. Malueg 2003-5-8 26560 Riverside San Jacinto Valley, San Jacinto Riverbottom, north of San Jacinto and SE of State St. 465 Comment
  UCR225737  Salix gooddingii A. C. Sanders, T. B. Salvato 2011-3-30 38891 Riverside Peninsular Range; Elsinore Trough, city of Lake Elsinore, Baker St. c. 100 m NW of Hwy 74/Riverside Dr. 381 Comment
  UCR231770  Salix gooddingii John F. Green 2008-4-21 02- 06 Riverside Peninsular Range, south edge of Perris, drainage way between housing tracts, west of Goetz Rd. and east of Alabaster Loop 450 Comment
  RSA0030840  Salix gooddingii Carl B. Wolf 1932-4-28 3085 Riverside Colorado River, about 800 m. from State Inspection Station, on way to Blythe Bridge. 90 Comment
  HSC82870  Salix laevigata M. Roskey, F. Boyen 1985-5-28 522 Riverside Big Morongo Preserve; The Nature Conservancy, S of Morongo Valley, lower end of canyon where it opens into the W end of the Coachella Valley 503 Comment
  CSUSB807  Salix lasiolepis P. A. Rauch 1966-4-5 Riverside One mile north of Idyllwild on Highway at Bear Trap Canyon Crossing. 1755 Comment
  RSA180293  Salix lasiolepis E. W. Lathrop 1965-3-30 5602 Riverside 14 miles W of Murrieta. Comment
  RSA496743  Salix lasiolepis S. J. Myers 1988-2-4 s.n. Riverside Northgate Estates development, immediately NW of Canyon Lake. 488 Comment
  RSA0095104  Saltugilia australis Steve Boyd, Tim Ross, Mike Hammitt 1991-5-2 6030 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
  SD215602  Saltugilia australis Steve Boyd, Tim Ross, et al. 1999-4-2 4038 Riverside Vail Lake area, lower slopes of Agua Tibia Mountain, along Highway 79. 487 Comment
  RSA0094958  Saltugilia australis Steve D. Boyd, Tim Ross, Dave Bramlet 1993-5-13 7383 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approx. 1 mile. 412 Comment
  RSA516420  Saltugilia caruifolia W. Wisura, Bart O'Brien, Tom Hayduck 1990-5-2 4425 Riverside Ortega Hwy. below switchbacks above Lake Elsinore, in burned areas. Comment
  UCSB31640  Saltugilia splendens Griesel, Wesley 1962-6-29 Riverside Dark Canyon, San Jacinto Mountains 1920 Comment
  CHSC110690  Salvia apiana Dean Wm. Taylor 2003-5-7 18540 Riverside Railroad Canyon, San Jacinto River (1.9 river miles upstream from maximum pool level for Railroad Canyon Reservoir). 426 Comment
  SD4321  Salvia apiana Fidella G. Woodcock 1928-4-27 Riverside San Jacinto mountain near bridge of S.J. Creek Comment
  SEINET4951402  Salvia apiana Unknown 1995-5-3 1406 Riverside S of Palm Desert along Hwy 74, 3km E of Pinyon Flats Campground Comment
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Jan 30 2019
  UCR103732  Salvia apiana A. C. Sanders 1997-3-19 20030 Riverside Lake Skinner area, S foot of Bachelor Mtn., across the northern arm of the lake from the boat ramp 473 Comment
  UCR121341  Salvia apiana A. C. Sanders, Mark Elvin, , Vipul Joshi 2002-4-26 25030 Riverside The Badlands, west fork of Laborde Canyon near old rocket test facility 622 Comment
  UCR214322  Salvia apiana A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38382 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
  JEPS62682  Salvia columbariae Marjorie D. Clary 1932-3-20 1585 Riverside Mission Creek Colorado Desert (n side of Colorado Desert) 457 Comment
  POM305796  Salvia columbariae Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1063 Riverside Corona-Elsinore. Comment
  RSA175251  Salvia columbariae Robert F. Thorne 1963-3-29 32435 Riverside Mouth of arroyo near Eagle Mt. Pumping Station, S side of Eagle Mts., ca. 12 miles W of Desert Center. 534 Comment
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Apr 24 2011
  RSA80984  Salvia columbariae G. R. Campbell 1952-4-5 18370 Riverside On road leading from Hwy 60 to 29 Palms [Hwy 62], at jct to Desert Hot Springs. 762 Comment
  UC1228546  Salvia columbariae C. L. Hitchcock and C. V. Muhlick 1962-3-16 22156 Riverside ca 12 mi se Corona; Temescal Canyon Comment
  UCR208348  Salvia columbariae O. F. Clarke 2004-3-24 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River near the old Salt Lake Railroad bridge 215 Comment
  UCR91454  Salvia columbariae Scott D. White 1995-3-30 2670 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  RSA171386  Salvia greatae J. C. Roos 1963-9-9 s.n. Riverside Desert wash at Salt Creek Wash. 152 Comment
  UCR180147  Salvia mellifera Mitch Provance 2003-4-26 9903 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  RSA82390  Salvia vaseyi F. W. Peirson 1922-12-27 4060 Riverside On rough mountain slope between two forks of Andreas Canyon, near Palm Springs 610 Comment
  UCR88432  Salvia vaseyi A. C. Sanders, K. C. Rose 1995-4-5 16346 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  CAS-BOT-BC238855  Sambucus nigra subsp. caerulea A. C. Sanders; Mitch Provance; T. B. Salvato 2001-5-7 24168 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., slopes and wash below the mouth of Avery Canyon 549 Comment
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Dec 7 2018
  HSC85413  Sanicula bipinnatifida Steve Boyd 1986-3-9 1379 Riverside Temescal Canyon: Alberhill Mountain, S slope of mountain just E of Claymine area 427 Comment
  RSA543951  Sanicula crassicaulis Steve Boyd, Orlando Mistretta 1991-5-9 6183 Riverside Santa Ana Mountains, lower flank of range along the Bedford Truck Trail on ridge between Bedford and McBribe Canyons. 549 Comment
  UCR138654  Sanicula crassicaulis D. L. Banks 1997-4-5 1665 Riverside Agua Tibia Mtns., NW Palomar Mtns: Agua Tibia Wilderness Area. south of Dorland Mountain, just east of the Wilderness Area boundary with the Pechanga Indian Reservation, along a tributary of the N fork of Pechanga Creek 762 Comment
  UCR91679  Sanicula crassicaulis Steve Boyd, Darin Banks 1995-3-30 8410 Riverside Agua Tibia Mountains, Palomar Range, Agua Tibia Wilderness Area; N flank of Agua Tibia Mtn, at W edge of the Dripping Springs alcove in tributary of Kolb Creek just east of old Woodchuck Truck Trail. 701 Comment
  UC1611580  Sanicula tuberosa Steve Boyd, Tim Ross 1993-3-23 7908 Riverside s of Vail Lake (at n base of Agua Tibia Mtn, Agua Tibia Wilderness Area, Cleveland National Forest, extending s from end of Woodchuck Road); Palomar Range, Agua Tibia Mtn, Cleveland National Forest 731 Comment
  RSA249824  Sarcodes sanguinea R. F. Thorne, C. W. Tilforth, J. P. Simon 1969-6-24 38122 Riverside San Bernardino National Forest, San Jacinto Mountains.: Above and in James Reserve. 1677 Comment
  CDA15706  Sarcostemma hirtellum G. F. Hrusa, J. A. Hart 1993-4-4 10592 Riverside Cholla Garden, Joshua Tree NM. Comment
  UCR180386  Sarcostemma hirtellum Scott D. White, Andrea Warniment (Edwards) 2006-3-29 11276 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, a few mi east of Indio, at proposed I-10 Freeway / McNaughton Parkway interchage, north of the I-10 Freeway 152 Comment
  UCR57225  Satureja chandleri Jeri Hirshberg 1989-4-11 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., S of town of Murrieta, NE of Mesa del Burro. Rocky creek bed below Guava-DeLuz Road, c. 1.5 mi SW of intersection w/ Hayes Avenue Comment
  RSA709897  Schismus barbatus Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4598 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  RSA772124  Schismus barbatus Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4834 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm)., between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  UCR152526  Schismus barbatus A. C. Sanders 2005-4-22 29615 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR228927  Schismus barbatus A. C. Sanders 2011-4-6 39008 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
  UCR23183  Schismus barbatus Jane Hildreth 1981-6-4 30 Riverside San Jacinto Mtns., c. 4.5 mi south of Banning along Hwy 243 915 Comment
  UCR56086  Schismus barbatus J. A. Adams 1966-3-12 440 Riverside Peninsular Range, Hwy 74, 5 mi east of Elsinore, toward Perris 503 Comment
  UCR115881  Schoenoplectus acutus var. occidentalis Mitch Provance 1999-5-6 1163 Riverside San Bernardino/Santa Ana River Valley, city of Riverside, Arlanza area, at (nearly dry) Hole Lake 220 Comment
  POM153368  Schoenoplectus maritimus Phillip A. Munz, I. M. Johnston 1928-9-12 11243 Riverside North end of Lake Elsinore. Comment
  UC279706  Scirpus maritimus Edmund C. Jaeger 1925-5-18 Riverside Temecula Comment
  SD122839  Scirpus microcarpus Steve Boyd 1985-8-7 1103 Riverside Santa Rosa Plateau region, northwest base of Redonda Mesa, on Tenaja Road, 0.8 mile east of junction with 8S01 and 8S 02. In moist swale-drainage along road. Comment
  JEPS86531  Scrophularia californica subsp. floribunda Roy E. Buck 1988-4-1 867 Riverside 7 air km w Lake Elsinore (town) (2.0 air km nw of confluence of Harlon Canyon and Johnson Canyon drainages, above CA Hwy 74 near top of grade); Elsinore Mts 780 Comment
  UCR247910  Scutellaria bolanderi subsp. austromontana Fred M. Roberts 2013-6-7 7782 Riverside Peninsular Ranges, SANTA ANA MTNS.: Tributary to Upper San Juan Canyon near Chiquito Basin Trail, 1.7 km NNW Upper San Juan Campground 536 Comment
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Jan 23 2016
  SD84920  Scutellaria mexicana Nancy Ryan Zabriskie, Walter Zabriskie 1972-3-30 504 Riverside Below Pinyon Crest in Chapman's Rancheros area toward Dos Palmas Spring; northwest of Highway 74 in Santa Rosa Mountains. 1096 Comment
  UC488840  Scutellaria siphocampyloides C. V. Meyer June 1927 173 Riverside San Jacinto Mountains 1676 Comment
  CLARK-A1528-3131  Scutellaria tuberosa John C. Roos 1950-4-15 4734 Riverside Reche Canyon 822 Comment
  CAS-BOT-BC62078  Selaginella eremophila Ira L. Wiggins 1938-3-25 8925 Riverside Eagle Canyon, 3-5 miles south of Palm Springs Comment
  UC831722  Senecio I. W. Clokey and E. G. Anderson 1935-8-21 6777 Riverside Keen Camp P.O. 1350 Comment
  SEINET7073397  Senecio californicus A. G. Vestal 1963-4-23 s.n. Riverside About 1.6 mile up the Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  CAS-BOT-BC323968  Senecio flaccidus var. douglasii Lewis S. Rose 1938-12-25 38349 Riverside 31 mi W of Indio, Palms to Pines Highway, San Jacinto Mts. 1280 Comment
  CAS-BOT-BC323993  Senecio flaccidus var. douglasii C. L. Hitchcock 1940-4-5 5964 Riverside 3 mi. below Cottonwood Springs. Comment
  JOTR35342  Senecio mohavensis Harding, Mitzi, Mark Wheeler 2012-2-28 108 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; steep-walled, shallow, north-flowing canyon with rocky wash bottom (Stop 4) 361 Comment
  RSA0118591  Senecio mohavensis Sarah J. J. De Groot, Cheryl Sevilla 2016-3-16 7650 Riverside Mecca Hills: Side canyon along Painted Canyon Road. northeast of Mecca, northwest of Box Canyon. 170 Comment
  RSA480019  Senecio mohavensis Steve Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2146 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA515199  Senecio mohavensis Steve Boyd, Orlando Mistretta 1986-3-13 1473 Riverside West side Palen Mts.: NE of Desert Center. Comment
  UCR42398  Senecio mohavensis J. M. Stewart 1986-1-26 86- 6 Riverside Sonoran (Colorado) Desert, NE side of Mecca Hills 305 Comment
  CAS-BOT-BC364258  Senecio triangularis H. M. Hall 1901-7-1 2535 Riverside San Jacinto Mountains. Branch of Snow Creek 2499 Comment
  RSA0096810  Senecio vulgaris Duncan S. Bell, Andrew Chambers 2015-3-12 7786 Riverside San Gorgonio Wilderness area; Whitewater Canyon; about 0.75 air miles northeast of Red Dome. 863 Comment
  SEINET3107286  Senna armata Sears 1978-4-12 1184 Riverside 30 mi W of Rice; dirt road N into Cadiz Valley; N of Coxcomb Mountains. 390 Comment
  SBBG59138  Setaria viridis M. N. Ackley -Apr-1928 58 Riverside Snow Crk, Mt San Jacinto 518 Comment
  UCR112824  Sidalcea malviflora A. C. Sanders 1997-5-1 20611 Riverside Lake Skinner area, north foot and lower slopes of Black Mtn., edge of Crown Valley on E side of Rawson Canyon 671 Comment
  RSA496386  Sidalcea malviflora subsp. sparsifolia Steve Boyd, Tim Ross, L. Arnseth 1989-3-31 3063 Riverside Vail Lake area, S. of Hwy 79, 0.25 mile E. of Pauba Rd 427 Comment
  UC218238  Sidalcea malviflora subsp. sparsifolia P. A. Munz and I. M. Johnston 1922-5-19 5441 Riverside 1 mi above Garner Ranch (Hemet Valley); San Jacinto Mts., , above Garner Ranch 1386 Comment
  UCR23558  Sidalcea neomexicana John C. Roos 1966-5-19 s.n. Riverside San Jacinto Valley, 3 mi. west of San Jacinto Comment
  CAS-BOT-BC434396  Sidotheca trilobata P. A. Munz 1922-6-25 5818 Riverside San Jacinto Mts. Vandeventer Flat 1402 Comment
  CSUSB710  Silene gallica I. Rauch 1968-4-25 Riverside Tenaja Road near Murrietta Comment
  UCR16104  Silene gallica A. C. Sanders 1973-5-1 0272 Riverside Riverside, UCR campus. Lawn east of Humanities Bldg. 335 Comment
  RSA180462  Silene gallica E. W. Lathrop 1960-6-8 4904 Riverside 14 miles west of Murrieta. Comment
  RSA234081  Silene laciniata subsp. major R. F. Thorne, E. W. Lathrop 1969-6-6 39330 Riverside Santa Rosa Plateau: Rancho California 610 Comment
  UC8465  Silene laciniata subsp. major H. M. Hall June, 1901 2303 Riverside San Jacinto Mountains canyons of w side San Jacinto Mountains 1371 Comment
  UCR27228  Silene lemmonii E. W. Lathrop 1966-5-29 6391 Riverside Peinsular Range; Santa Ana Mtns, Cleveland National Forest, Main Divide Truck Trail between El Carriso and Santiago Peak 1223 Comment
  OBI20929  Simmondsia chinensis P. C. Everett 1937-7-7 9524 Riverside N of Temecula-Agunaga Rd on road to Hemet 762 Comment
  RSA0105948  Simmondsia chinensis Alan Romspert 2000-4-14 s.n. Riverside West of Dupont road, Chuckwalla Mountains. Comment
  RSA232961  Simmondsia chinensis D. A. Young 1969-3-28 P- 300 Riverside On Interstate Hwy 10, 6 mi E of Desert Center, at rest stop; N side of hwy. 305 Comment
  SD229297  Simmondsia chinensis Dick Schwenkmeyer 2013-6-11 922 Riverside Carrizo Creek camp, approx. 1.5 north of highway 74 and Royal Carrizo Road intersection. 890 Comment
  SDSU11066  Simmondsia chinensis A. H. Gallup 1949-3-28 353 Riverside Palms to Pines Hwy, above Desert Center [interpreted to be Palm Desert], south slope 762 Comment
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Jan 30 2013
  SEINET7376779 Image available Simmondsia chinensis Leila M. Shultz, John S. Shultz 1985-1 8354 Riverside Southeast benches of the Chuckwalla Mountains at Alligator Rock 341 Comment
  UCR244858  Simmondsia chinensis Jim Andre 2012-3-19 21375 Riverside Sonoran (Colorado) Desert, Palen Valley along Palen Pass Rd [Coxcomb Monument Rd.] (dirt), 7.1 mi. east of Hwy 177 321 Comment
  UC856977  Sisymbrium altissimum C. B. Clokey, I. W. Clokey, B. C. Templeton 1930-4-15 4741 Riverside Gavilan Peak 600 Comment
  RSA249446  Sisymbrium altissimum John F. Emmel 1973-5-13 453 Riverside Firebreak between Dry Creek and Chalk Hill, S of Idyllwild. 1402 Comment
  CDA3869  Sisymbrium erysimoides Carl Yonge, L. Davis 1975-1-23