Search Results — 2000 specimen records retrieved (1920 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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A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA518549  Abies concolor F. C. Vasek 1977-11-25 771125 -12 Riverside San Jacinto Mountains, area around Cincos Posas Spring, below Black Mountain Look Out. Comment
  SD229020  Abies concolor Dick Schwenkmeyer 2012-8-27 798 Riverside 3.2 miles southeast of the intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1887 Comment
  UCR240626  Abies concolor Tracy Tennant, Mitch Provance 1998-6-16 MOR- 418 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  RSA0051596  Abies concolor Mike Thornburg 1977-5-29 s.n. Riverside San Jacinto Nat'l. Forest, Reeds Camp. 2438 Comment
  CAS-BOT-BC229348  Abronia villosa E. A. McGregor 1917-3-19 2058 Riverside Colorado Desert. Indio Comment
  SEINET7923626 Image available Abronia villosa H. F. Thut 1971-3-15 Riverside 6 miles east of Palm Sprirgs, Calif. Comment
  POM310385  Abronia villosa var. aurita Margaret Hardinge 1946-4-15 247 Riverside Just east of Banning along hwy. Drainage area: Salton Sea. 701 Comment
  RSA461038  Abronia villosa var. aurita N. C. Cooper 1944-4-23 1104 Riverside Cabazon. 457 Comment
  SJSU10579  Abronia villosa var. villosa T. N. Seeno 1963-4-12 272 Riverside by US Hwy 60 - 70, 20 mi W of Blythe Comment
  UCR227180  Abronia villosa var. villosa Jim Andre 2011-2-9 15938 Riverside Sonoran (Colorado) Desert, Coachella Valley, along Varner Road between Desert Hot Springs and Palm Desert, 2 mi north of Hwy I-10 189 Comment
  UCR260838  Acamptopappus sphaerocephalus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41515 Riverside San Gorgonio Pass, c. 1.5 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope between the water bottling plant and I-10 and west along dirt track, near Elm St. 498 Comment
  UC1523567  Acamptopappus sphaerocephalus var. sphaerocephalus Robert F. Thorne, Dick Tilforth, L. Shultz, R. K. Benjamin & J. Hogge 1980-4-16 54033 Riverside 1/4 mi w (and .5 mi w of Whitewater R at mouth of Whitewater Whitewater P.O.; San Bernardino Mts., Colorado Desert 414 Comment
  POM294594  Achnatherum hymenoides Lyman Benson 1955-1-8 15401 Riverside Edge of San Jacinto Mountains, 5 miles NE of Palm Springs 61 Comment
Read comments
Feb 19 2013
  RSA346258  Achnatherum hymenoides R. F. Thorne, WA Tilforth, L. Schultz, R. K. Benjamin, J. Hogge 1980-4-16 54056 Riverside Along Whitewater River, E of bridge and levee Comment
  SEINET1909743 Image available Achnatherum hymenoides Sarah De Groot 2005-1 5074 Riverside Inyo Mountains: Badger Flat near and of Mazourka Canyon Road, NW part of range. 366 Comment
  POM301785  Achnatherum speciosum J. Cole 1942-4-11 950 Riverside Split Rock Area, Joshua Tree National Monument, Riverside County. alt 4000ft 1220 Comment
  UCR48489  Achyrachaena mollis Steve Boyd 1986-3-9 1382 Riverside Peninsular Range, Temescal Canyon: Alberhill Mtn., south slope of mtn., just east of claymine area 488 Comment
  RSA102379  Achyronychia cooperi S. B. Parish, W. F. Parish 1882-04 219 Riverside Colorado Desert at Agua Caliente. Comment
Read comments
Jul 12 2010
  SEINET3071820  Achyronychia cooperi Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17501 Riverside West of Palen Pass quadrangle, zone 11 0663470mE 3753470mN NAD83, Palen Valley, along Palen Pass Road, 17km west of Palen Pass, 67km WNW of Blythe, 27km NNE of Desert Center 175 Comment
  UCR103363  Achyronychia cooperi George K. Helmkamp, E. A. Helmkamp 1998-2-18 2747 Riverside Chuckwalla Mtns, Graham Pass Rd, 10.6 mi. SSW of Chuckwalla Valley Rd. 488 Comment
  OBI39886  Acmispon glaber var. brevialatus M. Rosczyk & G. Helmkamp, G. Helmkamp 1985-4-4 208 Riverside Big Morongo Preserve. S of Morongo Valley. Main cyn where it opens into the Coachella Valley 503 Comment
  UCR256896  Acmispon grandiflorus var. grandiflorus LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6156 Riverside Peninsular Range; San Jacinto Mtns., Along road (5S24). End of Marion Ridge road, south of the community of Pine Cove. Ridge running south down to Idyllwild school of performing arts, west of Strawberry Valley 1799 Comment
  SD152860  Acmispon heermannii var. heermannii Steve Boyd, Tim Ross and Dave Bramlet 1993-5-12 7348 Riverside San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Tenaja Canyon. 366 Comment
  UC1971243  Acmispon maritimus Scott D. White 1998-6-28 6791 Riverside CORONA: River Road bridge over the Santa Ana River. USGS 7.5' Corona North quad. Comment
  SD224963  Acmispon strigosus G. K. Helmkamp 1998-4-3 3080 Riverside Snow Creek area N of Mt. San Jacinto; at edge of stream S of Snow Creek Rd at a point 1.4 mi. S of CA Hwy 111. 395 Comment
  RSA0121419  Adenophyllum porophylloides Duncan S. Bell, LeRoy Gross 2016-3-31 9189 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 6 air miles southeast of the summit of Martinez Mountain. 492 Comment
  UCR175074  Adenostoma fasciculatum Teresa Nieto 2005-5-26 25 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  RSA390499  Adenostoma fasciculatum var. fasciculatum M. B. Dunkle 1933-7-24 3679 Riverside Idylwild Road 1372 Comment
  RSA608236  Adenostoma fasciculatum var. fasciculatum Steve D. Boyd, Bart O'Brien 1998-1-13 10070 Riverside Santa Ana Mountains: north end of the range, ESE of Sierra Peak along Main Divide Road (3S04), ca. 0.6 mi from summit of peak on divide between Fresno and Fremont canyons. 915 Comment
  HSC99955  Adenostoma sparsifolium J. P. Smith, & J. O. Sawyer 2011-6-9 13202 Riverside 1470 Comment
  RSA453183  Adenostoma sparsifolium Kenneth R. Montgomery 1969-9-6 69 -20 Riverside Wilson Valley Road, 18 miles south of Hemet 1098 Comment
  RSA79036  Adenostoma sparsifolium E. K. Balls, Percy C. Everett 1952-11-18 18254 Riverside 200 yards east of Santa Rosa summit. 1494 Comment
Read comments
Jun 30 2012
  UCR91656  Adenostoma sparsifolium D. L. Banks, Steve Boyd 1995-10-17 0799 Riverside NW Palomar Mtns; Agua Tibia Mtns., Cleveland National Forest, Agua Tibia Wilderness Area; along lower Arroyo Seco, south of the Dripping Springs Campground. Along alluvial benches where Arroyo Seco turns to the E, just west of the Metasedimentary hills 525 Comment
  SBBG210  Adiantum capillus-veneris H. and M. Dearing 1942-1-30 4790 Riverside Palm Cyn near Palm Springs Comment
  RSA592676  Agave deserti subsp. deserti Scott D. White 1996-7-2 4253 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
  POM123023  Agoseris retrorsa Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  POM13137  Agoseris retrorsa P. A. Munz, I. M. Johnston 1922-5-20 5468 Riverside Kenworthy, San Jacinto Mts 1418 Comment
  CLARK-A1528-4445  Agrostis diegoensis John C. Roos 1965-6-30 Riverside Santa Ana Mountains Comment
  UCR24953  Agrostis exarata A. C. Sanders 1980-7-18 1668 Riverside San Jacinto Mtns, Thomas Mountain; along a small dry creek in Spillway Canyon about 2 mi SW of Hwy 74 along Thomas Mountain Road 1463 Comment
  UCSB37902  Agrostis exarata A. C. Sanders 1980-7-18 # 1668 Riverside collected 2.0 mi SW along Thomas Mountain Rd at Spillway Canyon, in the Thomas Mountains State Highway 74 - Spillway Canyon, State Highway 74 and Thomas Mtn. Rd. 1462 Comment
  RSA192237  Agrostis pallens E. W. Lathrop 1960-5-27 5215 Riverside 6 miles west of Murrieta. Comment
  RSA674734  Agrostis pallens Scott D. White, K. Szabo 2000-5-31 7986 Riverside Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. 640 Comment
  LA206322  Agrostis scabra F. M. Reed; 1905-7-15 833 Riverside San Bernardino Mountains, Hunsaker Flats 1523 Comment
Read comments
Feb 1 2014
  UC1137067  Agrostis scabra August L. Hormay 1932-8-8 Riverside Tahquitz Valley Comment
  RSA469419  Aliciella latifolia Christopher Davidson 1979-4-4 7675 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  NY216672  Allenrolfea occidentalis R. S. Ferris 1958-3-19 13255 Riverside Bottomland 8 mi. N of Blythe on Highway U.S. 95 Comment
  UCR148480  Allionia incarnata John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  CAS-BOT-BC131981  Allium haematochiton H. M. Hall 1901-6-1 2096 Riverside In the vicinity of Strawberry Valley 1371 Comment
  OBI18921  Allium haematochiton David J. Keil, Malcolm McLeod 1979-3-18 12972 Riverside Alberthill Jctn along hwy 71 366 Comment
  UCD138536  Allium haematochiton C. L. Hitchcock 1966-3-15 24154 Riverside 1 mile east of Glen Ivy Hot Springs. Comment
  RSA348947  Allium munzii Steve Boyd 1986-4-22 1781 Riverside Gavilan Hills: Summit of Estelle Mt. shallow N-facing draw, just W of third powerline tower, N of summit. 841 Comment
  UCR78048  Allium munzii Scott D. White 1993-4-22 1255 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  UCR172711  Allium peninsulare Jun Hu 2000-5-11 20 Riverside San Jacinto Valley, SE of city of Winchester, Hills N of Diamond Valley 488 Comment
  UCR2921  Allium praecox Nancy Atha 1963-3-3 3363- 01 Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, north side of [Quarry Hill] at the corner of Madison St. and Victoria Ave. 274 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
  POM122368  Allophyllum glutinosum Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  SD107766  Allophyllum glutinosum C. W. Tilforth, B. Busenberg 1980-6-10 1978 Riverside 0.1 mile in from Highway 74 on north leg ot Thomas Mountain Road, 1.0 mile south of Lake Hemet. 1387 Comment
  SEINET3224408  Allophyllum glutinosum G. Goodwin 2012-6-15 3462 Riverside 6 miles south of Banning at the junction of highway 243 and the road to Mt. Edna 1070 Comment
  SEINET3917839  Alopecurus howellii Robert F. Thorne 1973-5-23 43848 Riverside Santa ROSA PLATEAU: N side of Mesa de Colorado.; 0 610 Comment
  RSA356993  Alopecurus saccatus R. F. Thorne 1973-5-23 43848 Riverside Santa Rosa Plateau: Desiccated margin of large vernal pool N side of Mesa de Colorado 609 Comment
  UCR166723  Amaranthus albus Scott D. White, Jennifer H. Jones 2005-4-12 10863 Riverside Coachella Valley, Indio area, vacant land NE of the I-10 Freeway interchange at Jefferson 18 Comment
  JOTR34146  Amaranthus blitoides La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler, D. Shade 2011-4-26 3163 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
  RSA782354  Amaranthus palmeri Stephanie Rockwood, Christi Gabriel 2011-10-18 124 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 96 Comment
  CLARK-A1528-145  Ambrosia acanthicarpa Fred B. Essig 1966-9-12 Riverside Riverside Comment
  SEINET269550 Image available Ambrosia acanthicarpa Scott D. White 1996-9-22 4532 Riverside Lakeview Mountains: north of Homeland along Juniper Flats Road about 1.2 road miles north of intersection with State h 472 Comment
  CAS-BOT-BC22580  Ambrosia dumosa Marcus E. Jones 1929-9-16 25074 Riverside E of Desert Center Comment
  CAS-BOT-BC22604  Ambrosia dumosa S. Smith-White; A. Johnson 1963-4-12 63 -331 Riverside Joshua Tree National Monument: about 4 mi S of Entrance to Cottonwood Springs Campground Comment
  CLARK-A1528-1535  Ambrosia dumosa John C. Roos 1937-4-18 1349 Riverside Snow Creek Comment
  JEPS40957  Ambrosia dumosa I. W. Clokey and B. C. Templeton 1930-4-9 4705 Riverside n of Palm Springs; Colorado Desert 170 Comment
  OBI17103  Ambrosia dumosa Robert F. Hoover 1969-4-11 11219 Riverside Mouth of Morongo Valley cyn Comment
  UCR241286  Ambrosia dumosa Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 54 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 Comment
  RSA764883  Ambrosia psilostachya Justin M. Wood 2010-9-8 2602 Riverside San Timoteo Canyon: Just SE of El Casco Substation along San Timoteo Creek. 640 Comment
  CAS-BOT-BC273033  Ambrosia salsola 1939-3-30 3346 Riverside Between Mecca and Blythe on old highway Comment
  JEPS30459  Ambrosia salsola Peter H. Raven 1958-1-23 11414 Riverside 2.7 mi w Whitewater Post Office Comment
  UC897999  Ambrosia salsola var. pentalepis I. W. Clokey 1935-4-17 6985 Riverside Cottonwood Springs Comment
  SD80050  Ambrosia salsola var. salsola Nancy Ryan Zabriskie, Walter Zabriskie 1970-3-27 271 Riverside Below Andreas Canyon Clubhouse, Andreas Canyon 305 Comment
  UCSB18239  Ambrosia salsola var. salsola Easley, Bill 1964-5-10 Riverside Roadside, State Highway 71, 4.9 miles N from Pinyon Flats Campground 944 Comment
  UCR65292  Amelanchier utahensis Steve Boyd, K. A. Boyd, C. Boyd 1989-5-13 3592 Riverside Foothills of San Jacinto Mtns., upper Bautista Cyn, just below turnoff to Tripp Flat Ranger Station 1189 Comment
  RSA450174  Amorpha fruticosa J. C. Roos 1966-5-5 s.n Riverside Gilman Hot springs, San Jacinto Valley. Comment
  SD248414  Amorpha fruticosa A. C. Sanders 2014-4-23 41058 Riverside Peninsular Range: Temescal Valley, along Hostettler Rd. near Temescal Canyon Road and I-15, at bend in Hostettler Rd. 363 Comment
  SJSU4445  Amorpha fruticosa R. L. MacDonald 1962-4-17 Riverside Palm Canyon, E slope San Jacinto Mtn near Palm Springs Comment
  CAS-BOT-BC168085  Amsinckia intermedia A. C. Sanders; Guy Bruyea 2004-4-2 27406 Riverside San Jacinto Valley: Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks 518 Comment
  SBBG87472  Amsinckia intermedia A. C. Sanders with Pitzer, Charlton, Kniffen 1986-3-3 6085 Riverside Corn Spring, wash below the spring and wash and rocky slopes to the S; Chuckwalla Mtns 487 Comment
  UCR138889  Amsinckia intermedia D. L. Banks 1997-4-5 1684 Riverside Agua Tibia Mtns., NW Palomar Mountains: Agua Tibia Wilderness area. south of Dorland Mountain, just west of the Pechanga Indian Reservation boundary, at the headwaters of a tributary of the N fork of Pechanga Creek 793 Comment
  UCR167069  Amsinckia intermedia Scott D. White 2005-3-29 10845 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
  UCR250214  Amsinckia intermedia A. C. Sanders 2014-4-8 40978 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 280 m NE of the I-15 crossing, near mouth of Mayhew Canyon 317 Comment
  UCR274306  Amsinckia intermedia T. B. Salvato, Melissa Clemons 2005-6-6 1427 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
  RSA0089620  Amsinckia intermedia W. Wisura, A. King, L. Newcomb 1992-4-10 4675 Riverside Gorgonio Pass: Stubbe Canyon N of W-Palm Springs. Comment
  UCR234222  Amsinckia retrorsa A. C. Sanders, John F. Green 2012-3-20 39974 Riverside Peninsular Range; Gavilan Hills Area, hills east of Lake Elsinore, along Hwy 74 near Meadowbrook Ave. 512 Comment
  CSUSB995  Amsinckia tessellata Pam Maynard 1974-4-25 S. N. Riverside Box Springs mountians-- crevass at East end of Big Springs road 670 Comment
  UCR11338  Amsinckia tessellata John M. Spencer 1971-4-16 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument [now Park], 1 mi. north of Cottonwood Spring campground & Ranger Station [via Pinto Basin Rd.] 956 Comment
  JOTR31905  Amsinckia tessellata var. tessellata La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2153 Riverside Joshua Tree National Park. West Cottonwood Mountains; bouldery side canyon leading into southeast Pinkham Wash Comment
  RSA27891  Amsonia brevifolia var. tomentosa C. L. Hitchcock 1940-3-31 5883 Riverside 0.5 mile below Cottonwood Springs Comment
  UC1329904  Amsonia tomentosa James E. Cole 1941-5-5 695 Riverside Queen Valley Joshua Tree Nat'l Monument, Queen Valley 1310 Comment
  UCSB54163  Amsonia tomentosa McKinley, Gale 1985-3-26 Riverside 100 yards east of site #9 in Ryan campground in Joshua Tree National Monument 1280 Comment
  UCR222295  Anagallis minima R. F. Thorne, E. W. Lathrop, Steve Beckstrom-Sternberg, B. Martin 1982-1 55198 Riverside Peninsular Ranges; Santa Ana Mountains, SW of Murrieta, Santa Rosa Plateau, Mesa de Colorado 625 Comment
  CAS-BOT-BC400334  Anemopsis californica A. J. Mc. 1892-4-22 s.n. Riverside Elsinore Comment
  RSA653587  Anemopsis californica A. C. Sanders, D. Bramlet, Mihai Costea, T. Salvato 1999-10-15 23183 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1 mile W of Jackrabbit Trail on Gilman Springs Rd., 0.4 mi. W of Quail Lake Golf C. entrance, 2 mi. WNW of Eden Hot Spr. [UTM 10km cell 436 Comment
  UC4897  Anemopsis californica Geo. F. Reinhardt June, 1897 Riverside San Jacinto Valley; Southern California, San Jacinto Valley Comment
  UC1930030  Anisocoma acaulis Scott D. White, Justin Wood 2008-5-15 11964 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. (Idyllwild) Comment
  UC485492  Antennaria argentea A. W. Anthony 1899-1-1 Riverside San Jacinto Mt. Comment
  POM266318  Anthemis cotula J. C. Roos 1937-5-23 23434 Riverside La Sierra. Comment
  UCR71982  Antirrhinum coulterianum Steve Morgan, H. M. Soldan 1992-5-25 92 5 Riverside Santa Rosa Mtns, SE end of San Bernardino National Forest, c. 17 mi (airline) due south of Cathedral City, on County Road 7S02 (Santa Rosa Truck Trail), from 0.5 to c. 1.5 mi south of Calif. Hwy 74 Comment
  RSA678952  Antirrhinum nuttallianum Scott D. White, Michael Honer 2003-6-3 9462 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  SD129521  Antirrhinum nuttallianum subsp. nuttallianum Steve Meyers 1990-3-21 Riverside Santa Rosa Plateau Area: along Los Gatos Road, I(c) mi. S of Buena Vista Road (2 mi. W of Sandia Canyon, & 0.1 mi. N of San Diago County line) 366 Comment
  UCR5785  Antirrhinum nuttallianum subsp. nuttallianum S. M. Chambers 1970-4-19 11 Riverside Riverside, half way up the W slope of the Box Springs Mtns from Big Springs Road 610 Comment
  UC216812  Arabis glaucovalvula H. M. Hall May 1905 6019 Riverside Cottonwood Springs Colorado Desert Comment
Read comments
Oct 9 2010
  UC667363  Arabis glaucovalvula Annie M. Alexander and Louise Kellogg 1941-5-4 2110 Riverside Joshua Tree National Monument 1249 Comment
  POM307295  Arabis holboellii var. retrofracta Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2157 Riverside Santa Rosa Mountains. Comment
  UCR168437  Arceuthobium campylopodum Larry E. DeBuhr 1972-3-23 514 Riverside Santa Rosa Mountains, San Bernardino National Forest, on Santa Rosa Peak 2439 Comment
  RSA629135  Arctostaphylos Jon E. Keeley 1992-7-16 16571 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA629413  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19502 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629424  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16847 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  RSA629447  Arctostaphylos glandulosa Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20174 Riverside Truck trail on north-face of Santa Rosa Mountain, ca. 4 km south of Pinyon Pines, Santa Rosa Mountains. 1430 Comment
  RSA629470  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-6-16 16839 Riverside Hwy 243, 38 km N of Idyllwild. 1485 Comment
  UC63815  Arctostaphylos glandulosa subsp. zacaensis H. M. Hall 1901-6-10 2061 Riverside vicinity of Chalk Hill San Jacinto Mountains 1524 Comment
  LA34914  Arctostaphylos glauca Mary V. Hood; 1939-12-30 39- 130 k* b. Riverside Ribbon Wood, Pines to Palms 1341 Comment
  RSA631735  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19283 Riverside Highway 79, 2 km west of Radec. 550 Comment
  RSA631796  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19562 Riverside Highway 79, 4 km west of Aguanga. 660 Comment
  RSA631818  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19257 Riverside Highway 79, 5 km west of Radec. 580 Comment
  SEINET10627175  Arctostaphylos glauca Greg Gust, Leith Nye 2005-3-11 Gust 551 Riverside Cleveland National Forest. Just off of Hwy 74 opposite El Cariso Campground on washed out forest road. 762 Comment
  RSA633540  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22665 Riverside Road to Santa Rosa Mountain. 2000 Comment
  RSA633577  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20109 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633617  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16699 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633643  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20136 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633750  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21783 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA635196  Arctostaphylos parryana subsp. tumescens Jon E. Keeley 1992-7-17 16773 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  CAS-BOT-BC46552  Arctostaphylos patula H. M. Hall 1901-6-1 2419 Riverside San Jacinto Mts. Tauquitz Valley. 2438 Comment
  RSA761232  Arctostaphylos pringlei Shawn Krosnick, C. Martinez, Naomi Fraga, Lucinda McDade, et al. 2010-8-14 723 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  CAS-BOT-BC44332  Arctostaphylos pringlei subsp. drupacea E. A. McGregor 1941-6-12 8 Riverside Idyllwild, San Gabriel Mountains Comment
  POM367428  Arctostaphylos pringlei subsp. drupacea Albert J. Perkins 1916-9-14 s.n. Riverside Idlewild Comment
  SFV2660  Arctostaphylos pringlei subsp. drupacea A. Thompson 1959-4-10 Riverside San Jacinto Mountains Along side San Gorgonio Road. 1799 Comment
Read comments
Jun 3 2013
  UCD52974  Arctostaphylos pringlei subsp. drupacea H. A. Jensen 1937-11-5 444 Riverside Upper Strawberry Valley; San Bernardino National Forest. 1859 Comment
  RSA635775  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16586 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  SBBG5490  Arctostaphylos pungens M. Van Rensselaer 1937-6-24 Riverside Santa Rosa Indian Reservation Comment
  SD180722  Arctostaphylos rainbowensis C. Matt Guilliams 2007-8-2 404 Riverside Santa Margarita Ecological Reserve, along A!Highlands TrailA(r) at northern rim of mesa-top. 654 Comment
  SDSU18354  Arctostaphylos rainbowensis C. Matt Guilliams 2007-6-21 372 Riverside 15 kilometers east of Temecula near Tenaja Road. From Tenaja, south on Harkey Road, east on Avenida Presta, south on Calle Viento, a dirt road on slope above drainage. 640 Comment
  RSA0040095  Argythamnia lanceolata Duncan S. Bell, Deidre Conocchioli 2014-3-18 6257 Riverside Orocopia Mountains; southern/central section of range; approximately 1.25 air miles northwest of Gucci Spring. 511 Comment
  CAS-BOT-BC202499  Argythamnia serrata P. A. Munz; R. D. Harwood 1920-4-3 3677 Riverside 30 mi West of Blythe 365 Comment
  PASA688  Argythamnia serrata 1928-3-3 Riverside Desert Hidden Springs Comment
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Aug 27 2016
  RSA339663  Argythamnia serrata C. W. Tilforth 1980-5-28 54166 Riverside San Bernardino Mountains: Dry Colorado Desert slopes, S-facing and W-facing, N0S rocky rifge at E side of Whitewater River at mouth of canyon, ca. 1/4-1/2 mile E of Whitewater Post Office. On rocky ridge at S end. Comment
  CAS-BOT-BC137649  Aristida adscensionis Frank W. Peirson 1921-3-23 2374 Riverside Colorado Desert. Deep Canyon. 335 Comment
  RSA727089  Aristida adscensionis Naomi Fraga, Lisa Rojas 2005-2-10 1378 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCR148295  Aristida adscensionis John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  RSA385024  Aristida californica var. californica Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-29 7816 Riverside West of Indio, 3 miles E of Date Palm Drive. 15 Comment
  UC53930  Artemisia californica E. A. Zumbro 1902-10-1 365 Riverside Riverside Comment
  UCR123871  Artemisia californica Steven R. Hill 2001-4-29 33539 Riverside Western Colorado Desert/ San Bernardino Mtns., E side of Whitewater Canyon along Whitewater River, east of Whitewater Canyon Road, about 2 mi north of Route I-10 549 Comment
  CAS-BOT-BC90420  Artemisia douglasiana E. W. Lathrop 1966-3-20 6067 Riverside 10 miles west of Murrieta on the Tenaja Truck Trail between DeLuz and the Tenaja Guard Station Comment
  CAS-BOT-BC90572  Artemisia dracunculus H. M. Hall 1901-8-1 2581 Riverside In open forests of Tamarack Valley 2529 Comment
  UC489283  Artemisia ludoviciana subsp. ludoviciana C. V. Meyer 1928-7-30 573 Riverside San Jacinto Mts., Saunder's Meadow 1676 Comment
  RSA520080  Artemisia tridentata Steve Boyd, David E. Bramlet 1988-10-8 2877 Riverside Cahuilla Mountain, southwest of Anza at head of Bautista Canyon, along crest of the mountain Comment
  UCR41839  Asclepias albicans A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6060 Riverside Sonoran (Colorado) Desert, Graham Pass, between Chuckwalla Mtns & Little Chuckwalla Mtns. 503 Comment
  RSA407720  Asclepias californica Steve Boyd 1986-4-22 1756 Riverside Temescal Canyon; Stable alluvial benches of Indian wash just S of I-15. Comment
  UCR117684  Asclepias californica V. W. Steinmann, D. L. Banks 1997-3-13 1199 Riverside Agua Tibia Mtns., N of Hwy 79 on the low hills just east of Dripping Springs alcove and west of Lake Marina Road. 550 Comment
  UCR92169  Asclepias californica D. L. Banks, Steve Boyd 1995-5-3 0246 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
  UCR24889  Asclepias eriocarpa A. C. Sanders 1981-7-22 01743 Riverside San Jacinto Mtns., Alvin Meadows, 2 mi. (airline) WSW of Idyllwild 1529 Comment
  RSA401250  Asclepias fascicularis N. C. Cooper 1949-10-14 1569 Riverside Palms to Pines Hwy. Roadside 1372 Comment
  UCR34993  Asclepias fascicularis L. B. Ziegler 1964-7-14 037 Riverside San Jacinto Mtns, Garner (Hemet) Valley 1375 Comment
  POM123014  Asclepias subulata Marcus E. Jones 1925-4-24 s.n. Riverside Thousand Palms Comment
  UCR241796  Asparagus asparagoides A. C. Sanders 2010-5-29 38428 Riverside Riverside, yard at 5081 Magnolia Ave., at corner of Chapman Place 258 Comment
  UCR35293  Asphodelus fistulosus N. J. Ziegler 1968-4-12 276 Riverside San Jacinto Mtns., foothills of the mountains on the road to Poppet Flats and over one mile from nearest habitation. Above Soboba Indian Reservation 579 Comment
  CAS-BOT-BC99205  Aster S. M. Kaune 1962-12-15 649 Riverside Ca. 1-2 mi. from downtown Coachella, along Hwy 74 - 111, Coachella Valley 6 Comment
  RSA40608  Aster ascendens J. C. Roos 1946-9-14 3014 Riverside Thomas Valley 1375 Comment
  RSA69827  Aster bernardinus J. C. Roos 1951-10-19 5323 Riverside San Timoteo Canyon, El Casco. 610 Comment
  RSA3978  Astragalus aridus C. B. Wolf 1932-4-29 3116 Riverside Eastern Colorado Desert, 3 miles S of Rice on the Blythe road. 213 Comment
  SD249680  Astragalus aridus J. M. Andre 2013-3-27 24804 Riverside Region: CA-SonM; Rice Valley east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62) 241 Comment
  SD135216  Astragalus bicristatus Craig Reiser, Dylan Hannon 1993-5-30 Riverside N flank of Santa Rosa Peak near flowing creek Comment
  JOTR30999  Astragalus coccineus La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1131 Riverside Joshua Tree National Park. Stop 3: Hexie Mountains, steep loose slopes above Blue Cut Gorge Comment
  UC69648  Astragalus crotalariae T. W. Minthorn 1905-1-15 7 Riverside Indio; ; <near Los Angeles> Comment
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Jun 6 2011
  UCR157442  Astragalus didymocarpus A. C. Sanders 1997-3-26 20123 Riverside Lake Skinner area, NW foot of the Tucalota Hills, 0.2 mi. east of main Skinner entrance road on a dirt service road 473 Comment
  RSA415475  Astragalus didymocarpus var. dispermus Anstruther Davidson 1893-4-10 s.n Riverside Palm Springs. Comment
  UCR18985  Astragalus didymocarpus var. dispermus John C. Roos 1949-3-19 4113 Riverside Sonoran (Colorado) Desert, Near Indio Comment
  UCR132659  Astragalus douglasii Michael D. Wilcox 2001-6-18 s.n. Riverside San Jacinto Mtns., Bautista Canyon 1280 Comment
  UC63673  Astragalus douglasii var. parishii H. M. Hall June 1901 2229 Riverside in the vicinity Strawberry Valley (San Jacinto Mountains); , vicin Strawberry Valley 1584 Comment
  CAS-BOT-BC182949  Astragalus filipes H. M. Hall 1901-6-1 2164 Riverside Thomas Valley 1371 Comment
  RSA415713  Astragalus filipes N. C. Cooper 1944-7-15 1595 Riverside Palms to Pine Hwy 1463 Comment
  UCR137362  Astragalus filipes John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  CAS-BOT-BC182986  Astragalus gambelianus A. C. Sanders; Seung-Chul Kim; Plant Taxonomy Class 2005-5-7 30107 Riverside Peninsular Range, Agua Tibia Mountains: UC Emerson Oaks Reserve, ca. 8 miles southeast of Temecula, S of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  UCR127566  Astragalus gambelianus A. C. Sanders, T. B. Salvato 2003-5-21 26791 Riverside Elsinore Valley, Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  UCR18937  Astragalus insularis var. harwoodii John C. Roos, Lucille Roos 1949-4-10 4222 Riverside Sonoran (Colorado) Desert, N base of the Chuckwalla Mountains Comment
  POM1694  Astragalus lentiginosus var. coachellae I. M. Johnston 1917-4-4 1065 Riverside Whitewater. Comment
  SD6087  Astragalus lentiginosus var. coachellae unknown Mar 1914 Riverside Palm Springs Comment
  UC862623  Astragalus lentiginosus var. coachellae Carl B. Wolf 1932-5-25 3685 Riverside on road to Snow Creek Canyon (San Gorgonio Wash); road to Snow Creek Canyon, San Gorgonio Wash 365 Comment
  RSA107988  Astragalus mohavensis H. D. Ripley, R. C. Barneby 1944-4-7 3203 Riverside 10 mi. N of Cottonwood Sprs. [Springs?] 746 Comment
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Feb 19 2014
  RSA12908  Astragalus pomonensis C. B. Wolf 1935-4-7 6298 Riverside 1 mile W of Val Verde in the Gavilan region. 488 Comment
  RSA524468  Astragalus pomonensis Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4071 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  SEINET898385  Astragalus pomonensis Carl B. Wolf 1935-1 6298 Riverside Gavilan Hills region, 1 mi W of Val Verde 488 Comment
  UCR220319  Astragalus pomonensis John F. Green 2005-3-7 s.n. Riverside Peninsular Range, Wildomar, west of Grand Ave off Sweet Nectar Rd. 415 Comment
  RSA699820  Athysanus pusillus Scott D. White, Michael Honer 2003-4-4 8929 Riverside Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  CAS-BOT-BC98823  Atrichoseris platyphylla C. L. Hitchcock 1966-3-20 24315 Riverside Dry rocky hillside, 5 miles n. of Milpitas Wash and 12 mi. n.w. of Blythe-Glamis Road Comment
  JOTR34391  Atrichoseris platyphylla Andre, Jim 2012-4-16 20918 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 3.1 miles north of South Entrance, 4.1 miles north of I-10 788 Comment
  POM126265  Atrichoseris platyphylla Martha Hilend 1927-4-2 s.n. Riverside Box Canyon near Shaver's Well, Colorado Desert. Comment
  RSA676284  Atrichoseris platyphylla Scott D. White 2001-4-3 8223 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  UC70077  Atrichoseris platyphylla E. E. Schellenger 1905-4-1 Riverside Santa Maria Mts Colorado Desert, Santa Maria Mts. Comment
  SEINET3930042  Atriplex argentea var. mohavensis Steve Boyd 1985-8-7 1117 Riverside Murrieta area, Clinton Kieth Rd., just east of the Bear Creek development golfcourse.; 0 Comment
  UCR93048  Atriplex argentea var. mohavensis Steve Boyd, D. L. Banks 1994-9-29 8365 Riverside Lake Elsinore, Floodplain east of dike along San Jacinto River, west of Sedco Hills community 381 Comment
  CLARK-A1656-894  Atriplex canescens Lois Ann Scott 1977-11-18 Riverside Palm Springs Comment
  SEINET3930599  Atriplex canescens Grant D. Brown 1950-12-2 593 Riverside Santa Ana R. NW. of Arlington.; 0 Comment
  SEINET4208628  Atriplex canescens Howard C. Stutz 1980-11-24 8892 Riverside 15 mi. N of Indio.; 0 Comment
  CAS-BOT-BC170214  Atriplex canescens subsp. canescens C. B. Wolf 1931-10-14 2462 Riverside Cabezon, San Gorgonio Pass 518 Comment
  RSA157775  Atriplex canescens var. laciniata Lawrence T. McHargue 1962-10-6 s.n. Riverside Thousand Palms Oasis. 168 Comment
  UCR214711  Atriplex canescens var. macilenta A. C. Sanders 2010-3-25 37628 Riverside Sonoran (Colorado) Desert; Salton Trough, Durmid, east side of the Salton Sea, between Hwy 111 and the RR just north of the Imperial Co. line, 9 miles south of North Shore (Desert Beach), just below Bat Caves Buttes -59 Comment
  OBI17338  Atriplex coronata var. notatior Robert F. Hoover 1968-1 Riverside Comment
  UCR252811  Atriplex coronata var. notatior Karyn L. Drennen 2014-5-13 028 Riverside Perris Aguanga Basin, Perris, east of Hwy 215, 0.7 km north of San Jacinto Ave., east of Dunlap Dr. 432 Comment
  UCR66967  Atriplex coronata var. notatior D. E. Bramlet 1990-7-20 2054 Riverside Perris-Aguanga Basin region, San Jacinto Wildlife Area; old San Jacinto River channel, c. 880 m NE of Davis Rd. and c. 400 m SW of first waterfowl pond. 476 Comment
  CLARK-A1528-2520  Atriplex hymenelytra John C. Roos 1947-2-1 3221 Riverside Painted Canyon Comment
  SBBG65383  Atriplex hymenelytra S. W. Hutchinson 1928-2-1 107 Riverside Thousand Palms 243 Comment
  POM278732  Atriplex lentiformis subsp. breweri Grant D. Brown 1950-12-2 583 Riverside Cajalco Resevoir, SE; Cajalco Canyon. 442 Comment
  POM319681  Atriplex rosea Patricia Wilder 1970-10-15 4750 Riverside Prado Dam at base of dam in Prado Flood Control Basin. East of Chino Hills 152 Comment
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Sep 26 2009
  RSA702186  Atriplex semibaccata Scott D. White, Michael Honer 2004-3-11 9897 Riverside Corona area. Approximately 1/2 air mile E of I-15 and 1 air mile N of El Cerrito Rd. 290 Comment
  UCR110913  Atriplex serenana A. C. Sanders, K. C. Rose 1999-6-18 22830 Riverside Domenigoni Valley, upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, south of Winchester 433 Comment
  RSA737438  Atriplex serenana var. serenana Justin M. Wood 2008-8-31 118 Riverside Romoland, 1/4 mile S of Ethanac Rd. between San Jacinto Rd. and Palomar Rd. just south of railroad tracks. 442 Comment
  SD162763  Atriplex serenana var. serenana Mitch Provance 2000-9-28 2266 Riverside Riveside: N side of Latham St. ca. 1/8 mile W of intersection with Keats Drive 245 Comment
  UCR111062  Atriplex triangularis D. E. Bramlet 1996-5-4 2464 Riverside San Jacinto Valley, San Jacinto Wildlife Area, along the road to Marsh A (western levee of pond 1), adjacent to the southern levee of Pond No. 1, approximately 1.5 km NE of the reserve entrance at Davis Road 433 Comment
  UCR112959  Avena barbata B. G. Pitzer 1998-3-1 3544 Riverside Lakeview Mtns, Maze Stone county historical marker & picnic area, E side of mtns, on W side of Reinhardt Canyon 610 Comment
  CSUSB420  Avena fatua Ellen Predmore 1971-5-3 Riverside Found 10 miles northwest of Gillman Hot Springs. 457 Comment
  UCR138823  Avena fatua D. L. Banks 1997-2-23 1298 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation, south of Pechanga Rd. in the Reservation, north of Pechanga Creek and east of the Pechanga Tribal Government Center 367 Comment
  RSA586491  Avena fatua D. L. Banks, Steve Boyd 1995-5-9 321 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area;, W of Woodchuck Campground. 732 Comment
  CAS-BOT-BC213222  Ayenia compacta B. D. Stark 1933-5-13 4984 Riverside Andreas Canyon, about 50 feet above stream bed. 762 Comment
  JEPS13897  Ayenia compacta Marjorie Clary 1932-1-22 Riverside Desert canyons at base of Santa Rosa Mountains, southwest of Coral Reef, Coachella Valley Comment
  RSA426791  Ayenia compacta Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  JOTR33815  Baccharis brachyphylla La Doux, Tasha, B. Truesdell 2007-11-9 3330 Riverside Joshua Tree National Park. Eagle Mountains; south of Munsen Canyon, canyon parallel to and east of Lost Palms Canyon along park south boundary (STOP 6) 655 Comment
  LA203040  Baccharis emoryi Louis Wheeler; 1933-12-2 2311 Riverside Santa Ana River at Chino Creek 152 Comment
  POM10240  Baccharis emoryi E. A. Zumbro 1904-1 s.n. Riverside Cold Water Canyon, Santa Ana Mountains Comment
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Jul 4 2010
  UCR101354  Baccharis emoryi A. C. Sanders, N. Ferguson 1997-3-20 20067 Riverside Riverside area, March Air Force Base, west of Hwy 215 at west end of Cactus Ave., vicinity of former weapons storage facility 518 Comment
  SBBG101771  Baccharis salicifolia S. Boyd with T. Ross 1991-6-14 6400 Riverside Warm Springs Crk at the NE end of Hogbacks Ridge, from Alamos Rd, S to confluence with Adobe Spring tributary, 2-3 mi NW of Murrieta Hot Springs Comment
  SBBG7732  Baccharis salicifolia H. and M. Dearing 1942-3-17 4834 Riverside Dos Palmas Cyn, near Palms to Pines Hwy Comment
  UCR138647  Baccharis salicifolia D. L. Banks 1997-2-17 1277 Riverside Agua Tibia Mtns., NW Palomar Mountains, Pechanga Indian Reservation. Along Pechanga Rd. in the Reservation, c. 10 m west of the Pechanga Tribal Government Center 367 Comment
  UC500623  Baccharis salicifolia subsp. salicifolia Aven Nelson 1930-3-1 11169 a Riverside Palm Springs, near water course Comment
  POM173314  Baccharis sarothroides E. C. Jaeger 1929-02 s.n. Riverside Chuckwalla Mts Comment
  UCR140878  Baccharis sarothroides Chris E. True, Laurel Salzman 2004-8-20 s.n. Riverside San Jacinto Mtns., c. 1 km south of Twin Pines Ranch on USFS Rd 3S08, between Azalea and Twin Pines Creeks 1157 Comment
  POM46867  Baccharis sergiloides George B. Grant 1906-05 s.n. Riverside Palm Springs Comment
  RSA5413  Baccharis sergiloides C. B. Wolf 1932-10-12 4297 Riverside Above Pinyon Well, Little San Bernardino Mts. 1220 Comment
  UC472187  Baccharis sergiloides Geo. B. Grant 1900-1 6749 Riverside Palm Springs Colorado Desert Comment
  UC893737  Baccharis sergiloides Carl B. Wolf 1932-10-1 4272 Riverside Morongo Wash, 3/10 mi below San Bernardino Co line Colorado Desert, Little San Bernardino Mts. 670 Comment
  CAS-BOT-BC295893  Bahiopsis parishii Javier Penalosa 1963-4-11 2807 Riverside Pines to Palms Hwy. (#74) above Palm Desert 762 Comment
  POM4926  Bahiopsis parishii I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon 305 Comment
  UC472194  Baileya pauciradiata F. M. Reed 1917-5-19 3840 Riverside Palm Canyon Colorado Desert Comment
  UC893812  Baileya pauciradiata Lewis S. Rose 1937-4-10 37147 Riverside 5 mi s Cathedral City 15 Comment
  CAS-BOT-BC16366  Barbarea orthoceras Steve Boyd 1992-4-14 6793 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Verdugo Trail from Tenaja Trail to Bluewater Trail. 853 Comment
  RSA571292  Barbarea orthoceras Steve Boyd, D. L. Banks 1994-4-5 8272 Riverside San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potreto, along the Lucas Canyon Trail. 732 Comment
  RSA802094  Barbarea orthoceras Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 4985 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  UCR268584  Barbarea orthoceras Jim Andre 2012-6-15 30549 Riverside San Jacinto Mountains, west slopes of range along Poppet Flat Road, Poppet Creek canyon, 3.2 miles west of Hwy 243 1022 Comment
  RSA696874  Bebbia juncea J. Russell Bruff 1928-4-1 77 Riverside Whitewater Comment
  UCR245916  Bebbia juncea Naomi Fraga, David Fracker, Thomas Stoughton 2012-3-15 3947 Riverside Sonoran (Colorado) Desert, off of Box Canyon Rd., south of Shaver Well in a wash 229 Comment
  RSA0062664  Bebbia juncea C. J. Humphrey, Herbert Humphrey 1936-6-7 405 Riverside In foothills 18 miles East of Riverside. 548 Comment
  CAS-BOT-BC100126  Bebbia juncea var. aspera H. M. Hall; L. A. Greata 1905-5-2 5969 Riverside Chuckawalla Mts. Comment
  HSC24854  Bebbia juncea var. aspera James Henrickson 1971-4-2 5482 Riverside Hidden Oasis, 13 mi. E of Palm Spring 183 Comment
  UC667289  Bebbia juncea var. aspera Annie M. Alexander and Louise Kellogg 1941-5-15 2182 Riverside Colorado Desert, n base of Eagle Mountain Colorado Desert, Eagle Mountain 914 Comment
  JEPS5610  Bergia texana Samuel B. Parish Nov 1891 Riverside Near Elsinore Comment
  UCR10170  Berula erecta O. F. Clarke 1970-7-4 s.n. Riverside Santa Ana River Valley, Santa Ana River bottom, just east of old Salt Lake River railroad bridge Comment
  UCR109733  Berula erecta R. E. Orth 1963-3-8 s.n. Riverside Riverside, Santa Ana River 213 Comment
  UCR93062  Bidens frondosa A. C. Sanders, S. Ogg 1994-7-28 15180 Riverside Riverside, Santa Ana River near Hwy 60 243 Comment
  RSA367448  Bloomeria crocea var. crocea Jeannette B. Edge 1934-4-18 s.n. Riverside Near Highgrove. Comment
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Jun 10 2012
  RSA0129316  Boechera perennans Sarah J. De Groot, Evan Meyer, Abby Hird 2013-3-23 6887 Riverside Joshua Tree National Park, Biodiversity Hunt; north and northwest part of Lost Palms Oasis. 982 Comment
  CAS-BOT-BC540734  Boerhavia coulteri var. palmeri Sarah J. De Groot; Amy Rouillard 2015-9-15 7564 Riverside Ford Dry Lake, Chuckwalla Valley, N of I-10 106 Comment
  SD262316  Boerhavia coulteri var. palmeri Onkar Singh 2015-11-10 5621 Riverside Colorado Desert Region, Chuckwalla Valley, southern margin of Ford Dry Lake, ca. 1 km NE of intersection of I-10 and Palen Dunes Rd, Hopkins Well 7.5'Q 110 Comment
  UC1930178  Boerhavia wrightii Michael Denslow 2003-9-14 1569 Riverside Colorado Desert; Western Colorado Desert region: Maniobra Valley, Chiraco Summit Road off I-10. Comment
  UCD98037  Boerhavia wrightii Geoffrey Levin 1976-10-17 1166 Riverside Box Canyon, about 11 miles east of Mecca. Mecca Hills. 91 Comment
  UC579636  Bothriochloa barbinodis A. Lewis Apr 1934 375 Riverside sw of Corona (Cleveland National Forest, Tin Mine Canyon); Cleveland National Forest, Tin Mine Canyon 457 Comment
  CAS-BOT-BC145590  Bouteloua aristidoides Ralph Hoffmann 1929-9-9 s.n. Riverside Thomas Valley. Comment
  RSA0099443  Bouteloua aristidoides Duncan S. Bell, Evan Meyer 2014-10-29 7695 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
  CLARK-A1528-137  Bowlesia incana Richard L. Irwin 1963-5-11 O 108 Riverside Riverside 335 Comment
  RSA674966  Brachypodium distachyon Scott D. White, Teresa Salvato 2001-6-8 8584 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  CLARK-A1528-5667  Brandegea bigelovii John C. Roos 1960-4-8 Riverside 380 Comment
  UC635681  Brandegea bigelovii H. L. Mason 1928-3-10 4213 Riverside Coachella Mountains, Hidden Springs Canyon Hidden Springs Canyon; Coachella Mountains, Hidden Springs Canyon Comment
  UCR130814  Brandegea bigelovii B. G. Pitzer 2000-5-7 4128 Riverside Sonoran (Colorado) Desert, extreme north end of Orocopia Mountains, Shavers Valley, at base of hills c. 0.5 mi. SE of Box Canyon Road. 341 Comment
  RSA0009698  Brandegea bigelovii Marcus E. Jones 1930-3-15 s.n. Riverside Eagle Mountains. Comment
  CLARK-A1528-345  Brassica geniculata Bob Sullivan 1966-3-26 Riverside Lake Mathews 396 Comment
  UCR126982  Brassica nigra A. C. Sanders, T. B. Salvato 2003-5-9 26593 Riverside San Jacinto Valley, west of Hemet, west edge of Warren Road just north of Hwy 74 (Florida Ave.) 457 Comment
  RSA772848  Brassica tournefortii Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4843 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
  UC1929787  Brassica tournefortii Scott D. White 2001-4-3 8237 Riverside COLORADO DESERT: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn. I-10 / SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. Comment
  UCR248325  Brassica tournefortii Duncan S. Bell 2010-4-1 669 Riverside Sonoran (Colorado) Desert, Arica Mountains; west side of Rice Valley, c. 1.2 air miles east of AT & SF railway line, c. 4.2 air miles east of Priest Well and c. 4.3 air mi. SE of the ghost town of Rice 208 Comment
  CLARK-A1528-1655  Brickellia arguta John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  UCR18519  Brickellia arguta Frank C. Vasek, O. F. Clarke 1966-4-4 s.n. Riverside Santa Rosa Mtns, Hwy 74 at Royal Carrizo Road, Deep Canyon drainage 917 Comment
  JOTR37458  Brickellia arguta var. arguta Hodges, Stephen, T. Green 2016-5-24 580 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Quail Mountain Complex; On slopes with granitic boulders descending down east side of Minerva Hoyt peak towards Lost Horse area and in sandy washes beneath slopes (Stop 3). Comment
  UCR215448  Brickellia arguta var. arguta Tasha La Doux, Jim Andre 2008-9-16 334 Riverside Mojave Desert, Joshua Tree National Park, along Bell Mountain Road atop Bell Mountain, c. 0.3 mi. north of radio tower 1359 Comment
  JEPS18585  Brickellia desertorum Marjorie D. Clary 1932-12-11 1722 Riverside Santa Rosa Mountains, 10 mi SW of Coachella. 182 Comment
  UCR20317  Brickellia desertorum John C. Roos 1949-9-17 4662 Riverside San Bernardino Mtns / Sonoran (Colorado) Desert, E side Whitewater Canyon, 2.2 mi. north of Hwy 99 [=I-10]; W side of Painted Hill 612 Comment
  UCR94259  Brodiaea filifolia Scott D. White 1996-4-14 3890 Riverside Perris Basin, Near Perris Airport, c. 100 m north of Case Rd. and 100 m west of the San Jacinto River channel 433 Comment
  UCR260846  Bromus arizonicus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41412 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
  RSA741063  Bromus carinatus Scott D. White, Justin M. Wood 2008-6-5 12070 Riverside Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  SD152996  Bromus carinatus Steve Boyd 1992-4-15 6858 Riverside Santa Ana Mtns; San Mateo Cyn Wilderness area; Bluewater Cyn along Bluewater Tr; downstream to the confluence with San Mateo Creek 334 Comment
  RSA450463  Bromus catharticus A. R. Roos 1937-11-13 s.n. Riverside Riverside. 244 Comment
  SEINET10658417  Bromus diandrus Nye Leith, Greg Gust 2005-3-11 Nye 58 Riverside Lake Elsinore. Intersection of Diamond Circle and Malaga Rd. Off Mission Trail Rd. 399 Comment
  UCR183174  Bromus diandrus Mitch Provance 2003-5-5 4400 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  RSA595257  Bromus diandrus D. L. Banks, Elizabeth Hedge Banks 1996-5-2 957 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage. 524 Comment
  RSA127000  Bromus grandis H. S. Yates 1936-8-29 6383 Riverside Fuller Creek [Poss. Fuller Mill Creek now?] 1677 Comment
  RSA740616  Bromus grandis Scott D. White, Justin M. Wood 2008-6-19 12254 Riverside USFS Rd (5S08) between Keen Camp Summit and Baldy Mtn. 1524 Comment
  RSA750754  Bromus hordeaceus Scott D. White, Justin M. Wood 2009-5-22 12898 Riverside San Jacinto Mountains: Quinn Flat Meadow. 1372 Comment
  UCR172226  Bromus hordeaceus John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County; along San Diego Aqueduct right of way between Benton Road and the obvious drainage to the south 412 Comment
  UCR2232  Bromus hordeaceus F. M. Reed 1906-5-31 970 Riverside Riverside, on Sedgwick Street in a little arroyo 274 Comment
  RSA0042632  Bromus madritensis Paul Shirokawa 1998-5-15 45 Riverside Cleveland National Forest; Trabuco Ranger District, 0.3 miles from Ortega Highway (State Highway 74) on North Main Divide Road. 807 Comment
  SEINET6190251 Image available Bromus madritensis Orlando Mistretta, D. Bell, J. Beckman, J. England, K. Kane, J. Hall, C. McDonald, L. Reccia, L. Rodriguez, A. Sall, T. Tennant 2010-1 4420 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm) in the vicinity of Bonnie Bell 488 Comment
  HSC101173  Bromus madritensis subsp. rubens Jim Andre 2012-3-19 21395 Riverside Palen Mountains; along Palen Pass Rd. at Pallen Pass. 383 Comment
  UC1930083  Bromus madritensis subsp. rubens Scott D. White 2001-3-27 8172 Riverside BADLANDS: Moreno Valley area. About 1 air mile East-Northeast of the jtn State Rt. 60 w/Theodore St. Adjacent to County Landfill. Comment
  LA13823  Bromus rubens F. M. Reed; 1907-6-16 1404 Riverside Upper South Fork of Arroyo Tahquitz [?] 396 Comment
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Jan 18 2014
  RSA799068  Bromus rubens Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6864 Riverside South side of Joshua Tree National Park, Cottonwood Spring 823 Comment
  SEINET3923303  Bromus rubens F. S. Crosswhite 1961-1-21 1707 Riverside Weed along Chicago Ave.; 0 183 Comment
  RSA595313  Bromus rubens D. L. Banks, Victor Steinmann 1996-4-20 885 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
  JOTR37492  Bromus tectorum Hodges, Stephen R. 2016-4-6 621 Riverside Joshua Tree National Park. Quail Mountain Complex, In winding wash ascending towards Quail Mountain and Minerva Hoyt peak from Johnny Lang Canyon 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
  POM14395  Caesalpinia virgata P. A. Munz, D. D. Keck 1922-4-9 4753 Riverside Shavers Well, near Mecca. 76 Comment
  UC279670  Caesalpinia virgata unknown 1925-12-18 Riverside Fish Traps near Oasis Comment
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Feb 3 2011
  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
  UCR158771  Caesalpinia virgata Lyman Benson, Robert Benson 1952-4-8 14858 Riverside Sonoran (Colorado) Desert, 2 mi. west of Shaver Summit [Chiriaco Summit] east of Indio, U.S. Hwy 66 518 Comment
  UCR275545  Caesalpinia virgata D. E. Bramlet 2010-3-1 4460 Riverside Sonoran (Colorado) Desert, West Berdoo Canyon, Little San Bernardino Mtns., c. 6 air miles north of Indio 366 Comment
  RSA0105077  Calandrinia ciliata Daphne K. Christopher, Hannah Stevens 2003-4-6 107 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 540 Comment
  RSA198935  Calandrinia ciliata R. F. Thorne, E. W. Lathrop, Ora M. Clark, Sherwin Carlquist 1968-4-18 37434 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California. 609 Comment
  RSA614701  Calandrinia ciliata George K. Helmkamp, E. A. Helmkamp 1997-3-5 1337 Riverside Cabazon; 0.5 mi N of I-10 on Millard Rd. 564 Comment
  UCR162945  Calandrinia ciliata Fred M. Roberts 1996-3-27 4961 Riverside Perris Basin, Skunk Hollow, just N of Temecula, c. 3.4 km ENE jct SR 79 and Murrieta Hot Springs Rd, near S end of basin 407 Comment
  UCR177994  Calandrinia ciliata S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCR250914  Calandrinia ciliata A. C. Sanders 2014-4-18 41031 Riverside Peninsular Range, Temescal Canyon, along De Palma Rd. between Indian Truck Trail and Horsethief Canyon roads, SE of Lee (Corona) Lake 375 Comment
  SBBG54106  Callitriche heterophylla var. bolanderi E. W. Lathrop 1966-4-13 6164 Riverside 3 mi NW of Murrieta Comment
  RSA192159B  Callitriche marginata E. W. Lathrop 6241 -B Riverside 3 miles west of Murrieta, Santa Ana Mts. Comment
  SD68962  Callitriche marginata Robert F. Thorne, E. Lathrop and P. Munz 1968-5-8 37574 Riverside Santa Rosa Plateau; wet mud at margin of vernal marsh on Mesa de Colorado, Rancho California. 669 Comment
  RSA748158  Calocedrus decurrens K. M. Meyer, A. Townesmith, T. Scott 2007-3-16 16 Riverside San Bernardino National Forest. Next to Lake Fulmor, 17 miles S on Hwy 243 (off I-10). 1632 Comment
  UCSB246  Calocedrus decurrens White, Arthur 1960-5-14 Riverside At side of road between Banning and Idyllwild, 14.2 mi. s. of Hwy. 70 and 99 1676 Comment
  RSA0042617  Calocedrus decurrens Michelle Cleveland 1981-2-14 12 Riverside Idyllwild Visitor Center off Hwy 74. Collected 200 yds North of Vistor Center. 1900 Comment
  UCR107820  Calochortus albus D. L. Banks 1997-5-5 2001 Riverside NW Palomar Mtns, Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pachanga Creek. east of where road crosses to southern bank of south fork of Pechanga Creek. 482 Comment
  RSA734158  Calochortus concolor Keith E. Hoffmaster 1937-6-6 802 Riverside Pinon Flat Comment
  CHSC2241  Calochortus splendens V. Holt 1957-4-29 Riverside Near Hemet. 304 Comment
  POM212901  Calochortus splendens Philip A. Munz 1941-5-18 16657 Riverside North end of Santa Rosa Ranch, Elsinore Mts. Comment
  UCR16065  Calochortus splendens Loretta Bates 1978-5-27 s.n. Riverside Santa Ana Mtns, Santa Rosa Plateau: Mesa de Burro south of Tenaja Road, 4 mi west of Murrieta Comment
  UCR169860  Calochortus splendens Jason L. Hlebakos 2005-5-3 613 Riverside Santa Ana Mtns, Elsinore Peak 1039 Comment
  SEINET5229359  Calochortus weedii Unknown 1995-6-26 18 Riverside off highway 74 NW of Lake Elisnore Comment
  SD133195  Calycoseris parryi Scott White 1991-5-13 91 89 Riverside Highway 79, immediately west of U. S. Forest Service Campground at Dripping Springs. 550 Comment
  UCR269841  Calycoseris wrightii A. C. Sanders, Jim Malusa 2016-3-18 42384 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  JOTR30119  Calyptridium monandrum La Doux, Tasha, Bill Truesdell, Erin Babich 2008-3-10 1685 Riverside Joshua Tree National Park. Stop # 2 = Pinto Basin near Sandhill 538 Comment
  UCR16507  Calyptridium monandrum Leland R. Dykes 1962-4-1 12 Riverside San Bernardino Mtns/ Sonoran (Colorado) Desert, Whitewater Canyon Rd, 4.5 mi north of U.S. 60 732 Comment
  RSA561085  Calystegia macrostegia subsp. arida Steve Boyd, Orlando Mistretta, Bob Boyd 1992-4-22 6997 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  CLARK-A1528-3317  Camissonia bistorta John C. Roos 1966-4-5 Riverside Winchester Comment
  HSC16409  Camissonia bistorta C. L. Hitchcock, C. V. Muhlick 1964-3-17 23087 Riverside 1/2 mi. SE of Glen Ivy Hot Springs Comment
  RSA556490  Camissonia bistorta Julie Greene 1993-3-13 1062 Riverside On slope by trailers. 427 Comment
  RSA711220  Camissonia bistorta A. C. Sanders 2004-4-9 27471 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. 473 Comment
  UCR133976  Camissonia bistorta Mitch Provance, J. S. Ross 1998-3-27 MOR- 965 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, just south of the juction with the NE bound road to Deep Cyn. 915 Comment
  UCR231757  Camissonia bistorta John F. Green 2008-4-23 09- 01 Riverside Peninsular Range; SE Gavilan Hills, powerline route in hills SE of Perris, east of Hwy 74 and north and NE of Eugene St., both sides of Theda St. 503 Comment
  UCR268276  Camissonia bistorta Jim Andre 2012-6-15 30501 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
  VVC322  Camissonia bistorta F. Ambrey 1959-4-20 s.n. Riverside Northern Perris Basin, 0.2 mi So of refuse disposal area on Pigeon Pass Rd, 60 yds E of Hwy in wash. 536 Comment
  RSA444317  Camissonia boothii subsp. condensata Walter Wisura 1988-3-1 s.n. Riverside Colorado Desert. In wash off Interstate 10 at beginning of Box Canyon road toward Mecca. Comment
  JEPS23495  Camissonia brevipes subsp. brevipes Marjorie D. Clary 1932-5-8 1096 Riverside Beal Well to Wiley Well; Colorado Desert, Chocolate Mts. 152 Comment
  RSA0043028  Camissonia brevipes subsp. brevipes Duncan S. Bell, Loraine Washburn 2014-4-8 6576 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern/central section of range; approximately 2.25 air miles north of Clemens Well and Bradshaw Trail. 495 Comment
  RSA134153  Camissonia brevipes subsp. brevipes Peter H. Raven 1958-2-15 11583 Riverside Colorado Desert. with parents, on roadside embankment at turn to Corn Springs, base of Chuckwalla Mountains. Comment
  RSA134912  Camissonia brevipes subsp. brevipes K. K. Muller 1958-3-22 916 Riverside Colorado Desert, desert floor, 7 miles E of Desert Center, Highway 60. Comment
  RSA49371  Camissonia brevipes subsp. brevipes P. A. Munz 1949-4-12 13040 Riverside Mojave Desert, SE part of Pinto Basin. sandy wash Comment
  SEINET3093141 Image available Camissonia brevipes subsp. brevipes G. K. Helmkamp, E. A. Helmkamp 1998-1-17 2545 Riverside Box Canyon Road ENE of Mecca and on the north side of the Coachella Canal. Comment
  UCR216225  Camissonia brevipes subsp. brevipes Jim Andre, T. La Doux 2009-2-25 10819 Riverside Sonoran (Colorado) Desert, Palen Dry Lake; c. 6 miles north of I-10 freeway, c. 15 miles east of Desert Center 129 Comment
  CLARK-A1528-656  Camissonia californica Charlotte Stocks 1964-5-20 Riverside Comment
  JOTR31006  Camissonia californica La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1291 Riverside Joshua Tree National Park. Stop 5: Hexie Mountains, steep gravel slopes above north side of Blue Cut Gorge Comment
  UCR133410  Camissonia californica Jeffrey Ross, T. B. Salvato 1998-6-9 MOR- 324 A Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Lion Canyon, c. 3.5 miles NNW of Cabazon 854 Comment
  RSA454730  Camissonia cardiophylla E. S. Spalding 1926-2-13 s.n. Riverside Colorado Desert. Box Canon on Blythe Road. Comment
  SEINET3093255 Image available Camissonia claviformis John Adams 1966-3-12 446 Riverside Hwy 74, 2 mi. above Palm Desert. Comment
  SEINET7040180  Camissonia graciliflora A. G. Vestal 1962-3-29 Riverside 4.2 miles east of Murrietta [near Murrietta Hot Springs]. UTM Zone 11, 487862mE, 3712342mN. Comment
  RSA741578  Camissonia hirtella Scott D. White, Justin M. Wood 2008-6-17 12173 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  RSA612853  Camissonia hirtella D. L. Banks 1997-3-29 1607 A Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border., West of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  RSA770290  Camissonia pallida Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4750 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 W116.65131 604 Comment
  RSA137358  Camissonia pallida subsp. hallii David Gregory 1958-4-11 1 Riverside Sandy wash in side canyon off Morongo Canyon, northwestern Colorado Desert. Comment
  RSA75431  Camissonia pallida subsp. pallida F. W. Peirson 1919-4-13 4699 Riverside Tahquitz Canyon, near Palm Springs. Comment
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Sep 18 2011
  CLARK-A1528-3334  Camissonia refracta John C. Roos 1966-3-20 Riverside Comment
  JOTR16760  Camissonia refracta Vanderspek & Youse 1964-4-19 s.n. Riverside Joshua Tree National Park. WILSON CANYON Comment
  RSA550354  Camissonia refracta Walter Wisura, J. Dolan, M. Wall 1992-3-24 4634 Riverside 13.1 mi NE of Mecca on Box Canyon Rd. seed voucher Comment
  RSA593998  Camissonia strigulosa D. L. Banks, Elizabeth Hedge Banks 1996-5-2 941 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along the broad alluvial benches just to the SE of the gate to the Preserve. 448 Comment
  UCSB4466  Camissoniopsis hirtella Sager, Ginny 1960-5-14 Riverside San Jacinto Mtns between Banning and Idyllwild 914 Comment
  UC1122273  Camissoniopsis pallida subsp. pallida H. S. Yates 1936-4-7 5429 Riverside near Whitewater; San Jacinto Quadrangle Comment
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Dec 15 2011
  UC494678  Camissoniopsis pallida subsp. pallida Philip A. Munz 1932-3-14 12003 Riverside edge of wash Coachella Valley, Deep Canyon 91 Comment
  UC874016  Camissoniopsis pallida subsp. pallida Lewis S. Rose 1937-4-9 37092 Riverside Cabazon 563 Comment
  UCR194821  Carduus pycnocephalus Scott D. White 2006-5-19 11478 Riverside Perris Basin/San Jacinto Mtn Foothills, [Santa Rosa Hills, c. 2 miles south of Hemet, c. 1 mile east of State St., vicinity of Hemet Butte and Gibbel Road] 610 Comment
  CAS-BOT-BC17704  Carex alma S. B. Parish; W. F. Parish 1882-4-1 1572 Riverside Agua Caliente [Palm Springs]. Comment
  RSA769195  Carex bolanderi P. F. Zika, Nick Otting, K. Kramer 2010-8-6 25300 Riverside Bridge over North Fork San Jacinto River, Dark Canyon, at campground, San Jacinto Mountains 1785 Comment
  UC72160  Carex fracta H. M. Hall May 17 1901 - Jun 1 1901 2665 Riverside Strawberry Valley, San Jacinto Mountain 1600 Comment
  SEINET3101946  Carex multicaulis Marc A. Baker, Michelle Cloud-Hughes 2011-6-13 17380 Riverside San Jacinto Mountains, 1km north of Idyllwild, 2km WSW of Suicide Peak. 1925 Comment
  UC1930173  Carex multicaulis Valerie Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1699 Riverside San Jacinto Mountains; junction of Dark Canyon and Fuller Mill Creek Comment
  SD128231  Carex nebrascensis R. Mitchel Beauchamp 1971-5-15 2420 Riverside San Jacinto Mountains; along the shore of Lake Fulmore. 487 Comment
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Sep 6 2009
  RSA714447  Carex praegracilis T. B. Salvato 2004-5-27 601 Riverside Head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1402 Comment
  UCR50003  Carex praegracilis L. F. LaPre, Jack Easton 1987-6-5 s.n. Riverside Peninsular Range, Rancho California, along Temecula Creek at Pala Road bridge Comment
  UCR58491  Carex praegracilis Jeri Hirshberg 1989-4-18 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., south of town of Murrieta, Miller Canyon, north of Mesa de Burro 585 Comment
  UCSB11403  Carex sartwelliana Breedlove, Dennis 1961-7-29 Riverside Fuller Mill Creek where it crosses Riverside Highway #1; San Jacinto Mountains 1645 Comment
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Jun 2 2013
  UC146061  Carex senta Charlotte M. Wilder 1909-7-11 1138 Riverside Round Valley San Jacinto Mountains 2743 Comment
  SD137989  Carex triquetra Darin L. Banks, Steve Boyd 1995-5-9 374 Riverside Cleveland National Forest, Aqua Tibia Wilderness Area, north face of Aqua Tibia Mountains (Watershed), Dorland Muntain area, west of Dripping Springs Alcove Area, west of Woodchuck Campground. 680 Comment
  RSA501005  Castilleja affinis Steve Boyd, Tim S. Ross, L. Arnseth 1989-4-1 3123 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
  UCR201407  Castilleja applegatei subsp. martini Justin M. Wood, Brandy N. Ulrich 2008-7-14 20 Riverside San Jacinto Mountains, Garner Valley, near intersection of Fobes Ranch Road and Hwy 74 1360 Comment
  UC1552104  Castilleja applegatei subsp. martinii David Charlton 1988-5-21 1934 Riverside s of Lake Hemet (on Hwy 74, Thomas Mountain Rd, from n to s, w of Garner Valley) 1676 Comment
  RSA0010906  Castilleja applegatei subsp. martinii J. R. Bruff 1934-7-5 s.n. Riverside [San Jacinto Mts.] 2439 Comment
  JOTR33746  Castilleja chromosa La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2744 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  UCR35223  Castilleja densiflora subsp. gracilis L. B. Ziegler 1969-5-19 358 Riverside San Jacinto Mtns, Hemet Valley. Lower hills near the old Kenworthy [Ranger Station] District 1433 Comment
  UCR79362  Castilleja densiflora subsp. gracilis Steve Boyd 1992-4-18 6900 Riverside Perris-Aguanga Basin region, Paloma Valley, between Sun City and Murrieta, east of Hwy 215; just SW of the junction of Briggs Road and Scott Road 457 Comment
  RSA769776  Castilleja exserta Duncan S. Bell, Joy D. England 2010-5-17 1009 Riverside San Bernardino National Forest: Rouse Ridge, approximately 0.75 air mile southeast of junction of Highway 74 and forest service road 5S15. 759 Comment
  UCR102863  Castilleja exserta A. C. Sanders 1997-4-3 20147 Riverside Lake Skinner area, near north foot of Black Mountain, slopes south of Crown Valley 726 Comment
  UCR116860  Castilleja exserta A. C. Sanders, Steven R. Hill 2001-5-4 24133 Riverside Santa Ana Mtns. region, W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Creek. Dr.), E side of Rancho Calif. Rd. 488 Comment
  UCR75538  Castilleja exserta A. C. Sanders 1993-5-12 13997 Riverside San Jacinto Valley, Hemet, SW corner of intersection of Florida Ave (Hwy 74) & Warren Rd., between new San Diego Aqueduct and Warren Road 460 Comment
  SEINET6985158  Castilleja exserta subsp. exserta Wanda P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside 2.5 miles west of Route US 395 and about 5 miles southeast of Lake Matthews. Comment
  SBBG45114  Castilleja foliolosa Leota Davidson 1965-5-3 123 Riverside near Jumbo Rocks Cmpgrd, Joshua Tree Nat Monument Comment
  UCR113855  Castilleja minor subsp. spiralis Mitch Provance 2000-6-24 2037 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR280915  Catalpa bignonioides Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-6 617- 19 Riverside Temescal Valley, Property on N side of Concordia Ranch Rd. and Temescal Canyon Road, proposed site for SCE substation 366 Comment
  CAS-BOT-BC41141  Caulanthus heterophyllus A. C. Sanders; Steven Richard Hill 2001-5-4 24134 Riverside Santa Ana Mountains Region. West of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Road. 488 Comment
  UCR97496  Caulanthus heterophyllus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19879 Riverside Peninsular Range, Lake Skinner area; lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 Comment
  SBBG101793  Caulanthus lasiophyllus S. Boyd with T. Ross, M. Hammitt 1991-5-2 6122 Riverside Vail Lake region, summit of Oak Mtn, N of lake near Henderson Benchmark 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
  RSA160403  Ceanothus crassifolius J. D. Olmsted 1959-4-17 409 Riverside At edge of main knobcone pine grove on NE ridge of Sugarloaf Pk. along Main Divide T.T. ssw of Corona. 1159 Comment
  RSA495806  Ceanothus crassifolius Steve Boyd, Tim S. Ross, L. Arnseth 1989-3-12 2915 Riverside Vail Lake area, Temecula Creek Cyn., 1.0 mi. west of Vail Lake Dam. 396 Comment
  SD136149  Ceanothus crassifolius Kirsten Winter 1993-3-1 Riverside West of Vail Lake. Occasional hybrids in and near stand of C. ophiochilus (IPB 5/06) 609 Comment
  UC2015596  Ceanothus crassifolius Scott D. White 1996-3-16 3831 Riverside Perris Basin, Lakeview Mts., N of Winchester, at Maze Stone Picnic Area. Comment
  UCR157939  Ceanothus cuneatus T. B. Salvato, A. C. Sanders 2005-5-17 928 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
  UC870524  Ceanothus cuneatus var. cuneatus I. W. Clokey and E. G. Anderson 1935-4-16 6733 Riverside e of Hemet 560 Comment
  POM306779  Ceanothus greggii var. perplexans Henry J. Ramsey, Henry J. Ramsey 1938-4-22 1701 Riverside Santa Rosa Mountains Comment
  UC729545  Ceanothus greggii var. perplexans Carl B. Wolf 1932-5-24 3655 Riverside N base of San Jacinto Mountains, Snow Creek Canyon, 1 mi above fish hatchery 792 Comment
  LA43613  Ceanothus integerrimus W. Pequegnat; 1938-6-15 sn Riverside Santa Ana Mountains, Bear Springs Comment
  CAS-BOT-BC51284  Ceanothus leucodermis C. F. B. 1903-4-4 4144 Riverside Elsinore - S. Cal. Comment
  RSA741156  Ceanothus leucodermis Scott D. White, Justin M. Wood 2008-5-15 11992 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  UC1070823  Ceanothus leucodermis A. Lewis 1934-5-1 445 Riverside Ortega Hwy Elsinore quad., Cleveland National Forest 609 Comment
  RSA0019575  Ceanothus megacarpus var. megacarpus Orlando Mistretta 1992-6-10 517 Riverside Peninsular Ranges: (Cleveland National Forest) Along old road coming off 3504 W of Sierra Peak. Head of road. Comment
  RSA16499  Ceanothus oliganthus Percy C. Everett 1935-6-18 7208 Riverside 0.5 mi. below (N) Main Divide motorway. 1280 Comment
  RSA583377  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 ridgeline east of the upper end of the old Woodchuck Truck Trail road grade, just north of the San Diego County line. 1098 Comment
  RSA606744  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27411 Riverside In on N side of Agua Tibia Range, 2-3 km S of Agua Tibia Wilderness boundary gate on trail extending ca. 100 m S of enclosed reservoir on ridge SE of Woodchuck Resort at end of Woodchuck Rd., S of Hwy 79. 1000 Comment
  SBBG28516  Ceanothus palmeri N. C. Cooper 1944-6-17 1395 Riverside Pine Cove 1524 Comment
  RSA0019592  Ceanothus palmeri P. A. Munz 1924-5-18 8143 Riverside 18 mi. from Banning on Idyllwild Road. 1524 Comment
  SBBG34205  Ceanothus vestitus T. L. Secrest 1951-5-19 Riverside San Jacinto Mtns Comment
  UCR95727  Cenchrus incertus D. L. Banks, Lauren Raz 1996-8-29 1133 Riverside Agua Tibia Mtns., NW Palomar Mtns, NW foothills of Dorland Mtn. Los Caballos Road, c. 0.5 m south of Hwy 79, 100 m north of the Golf Course access road. 399 Comment
  CDA7296  Centaurea X pouzinii E. R. Johnson 1946-9-3 Riverside Corona 0 Comment
  CLARK-A1528-178  Centaurea cyanus Ted R. Turk 1971-5-16 Riverside 380 Comment
  RSA180329  Centaurea melitensis E. W. Lathrop 1964-5-24 5396 Riverside 8 miles west of Murrieta Comment
  UC22695  Centaurium venustum Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  UCR246460  Centromadia pungens subsp. laevis R. E. Riefner Jr., D. E. Bramlet, I. Anderson 2008-5-3 08- 269 Riverside city of Hemet, along Sanderson Rd near Ramona Blvd 448 Comment
  UC68686  Centrostegia thurberi var. thurberi H. M. Hall May, 1905 6021 Riverside Colorado Desert, Cottonwood Mountains Cottonwood Mountains; Colorado Desert, Cottonwood Mountains 609 Comment
  SEINET3086228 Image available Cerastium fontanum subsp. vulgare Penny Stead 1970-5-13 Riverside Found in lawn in front of A & I dorm, U.C.R. Comment
  RSA673720  Cerastium glomeratum Scott D. White, W. La Haye 2000-5-27 7942 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  CSUSB1298  Cercidium floridum Daniel Sall 1970-5-5 Riverside 200 yards south of Riverside County boundary sign, 20 feet from 29 Palms Highway. Comment
  UC195339  Cercidium floridum subsp. floridum S. B. Parish 1916-5-13 10833 Riverside Shafer's Well Colorado Desert Comment
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Mar 10 2011
  UC527317  Cercocarpus betuloides var. betuloides C. B. Wolf 1931-5-11 1950 Riverside near Pipe Creek (above Hemet Valley, San Jacinto Mountains); San Jacinto Mountains 1676 Comment
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Mar 24 2011
  SEINET7048002  Cercocarpus ledifolius var. intermontanus Steven R. Hill, Kate Kramer and family 2001-4-26 33469 Riverside San Jacinto Mountains, San Jacinto Wilderness, west of Palm Springs, trails south of visitor building at terminus of Palm Springs Aerial Tramway; vicinity of Long Meadow and higher ridges. Elevation about 8500 feet. Comment
  UCR79226  Cercocarpus minutiflorus Steve Boyd, T. S. Ross 1992-2-21 6669 Riverside Santa Ana Mtns., Southern part of Mtns., San Mateo Canyon Wilderness Area. Potrero de la Cienega area along Morgan Trail from Morrell Canyon south 854 Comment
  CAS-BOT-BC276394  Chaenactis carphoclinia Elizabeth McClintock 1964-4-8 s.n. Riverside E of Indio Comment
  UCSB7217  Chaenactis carphoclinia Yokoyama, Howard 1953-3-21 Riverside 9 miles east of Indio Comment
  JOTR36437  Chaenactis carphoclinia var. carphoclinia La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3408 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; just west of bend in Hwy 177 near park boundary; desert pavements w/ braided rivulets (Stop 1) 213 Comment
  POM15070  Chaenactis carphoclinia var. carphoclinia Mary F. Spencer 1922-4-13 1756 Riverside Chino canyon, Colorado Desert. 183 Comment
  POM308526  Chaenactis carphoclinia var. carphoclinia Henry J. Ramsey, Henry J. Ramsey 1939-11-28 3169 Riverside 10 miles east of Indio. Comment
  UC894412  Chaenactis carphoclinia var. carphoclinia Aven Nelson, Ruth A. Nelson 1939-3-29 3324 Riverside Hidden Springs Canyon; near Palm Grove Comment
  CAS-BOT-BC276902  Chaenactis fremontii R. Bacigalupi No date on label 108 Riverside Eagle Canyon, Colorado Desert Comment
  CAS-BOT-BC276910  Chaenactis fremontii Palmer Stockwell 1940-4-24 1504 Riverside 1 mile E of Cabazon Comment
  CAS-BOT-BC276929  Chaenactis fremontii H. M. Hall 1902-4-1 2807 Riverside Colorado Desert. Coyote Canyon 152 Comment
  RSA314647  Chaenactis fremontii R. F. Thorne, F. R. Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55440 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  SBBG7873  Chaenactis fremontii C. H. Muller 1952-4-6 9510 Riverside Pinto Basin, Joshua Tree Nat Monument Comment
  UC1478689  Chaenactis fremontii Barry Prigge with L. Martinez 1978-3-23 2416 Riverside 1.2 mi e of Sky Valley (near Dillon X Skyridge Roads, nw Colorado Desert); Colorado Desert 335 Comment
  UC1539719  Chaenactis fremontii Chas. B. Fiker 1946-4-16 3414 Riverside w side of Colorado Desert Comment
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Mar 23 2014
  SFV3811  Chaenactis glabriuscula P. G. Kilburn 1958-5-17 810 Riverside 3 miles south of Banning. 305 Comment
  UCR140295  Chaenactis glabriuscula A. C. Sanders 2004-4-9 27470 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., alluvial slope in mouth of large canyon on south side 473 Comment
  RSA516765  Chaenactis glabriuscula var. glabriuscula Ed LaRue 1989-4-26 s.n. Riverside 2 miles (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouth of Rice Canyon. 488 Comment
  POM6011  Chaenactis glabriuscula var. lanosa H. M. Hall 1902-4-21 15737 Riverside Vicinity of Riverside, in the upper sonoran 274 Comment
  UCR201491  Chaenactis glabriuscula var. lanosa Scott D. White, Justin M. Wood 2008-5-15 11965 Riverside San Jacinto Mountains, Garner Valley, northwest of Fobes Ranch Road and northeast of Hwy 74, valley bottom 1357 Comment
  SD114994  Chaenactis parishii Fred T. Sproul Unknown 147 Riverside Santa Rosa Mountains Comment
  CHSC108501  Chaenactis stevioides Naomi Fraga; Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1422 Riverside Colorado Desert; Northeastern Colorado Desert region; Along Palen Road near Hwy 177. 170 Comment
  JOTR35310  Chaenactis stevioides Andre, Jim 2012-4-16 20974 Riverside Joshua Tree National Park. along Cottonwood Spring Road, approx. 6 mi. south of the North Entrance at Twin Tanks parking area. 1196 Comment
  UC1329848  Chaenactis stevioides James E. Cole 1941-6-17 920 Riverside Live Oak Tank (dry) Joshua Tree National Monument 1219 Comment
  POM351836  Chaenactis stevioides var. stevioides L. H. Jones 1910-3-17 s.n. Riverside Riverside Mountain, Colorado River Comment
  POM432473  Chamaesyce N. C. Cooper 1944-5-6 1196 Riverside Whitewater Canyon. 457 Comment
  POM195931  Chamaesyce micromera Marcus E. Jones 1929-9-16 24879 Riverside East of Desert Center. Comment
  RSA498529  Chamaesyce micromera L. C. Wheeler 1931-11-26 369 Riverside Salton Bench Mark, Colorado Desert. -15 Comment
  RSA763977  Chamaesyce micromera Justin M. Wood, Dustin M. Ray 2010-10-21 3006 Riverside Chuckwalla Valley NE of Victory Springs and 0.9 km E of Kaiser Road on unmarked 4WD road. 198 Comment
  POM2793  Chamaesyce polycarpa P. A. Munz 1918-4-28 2150 Riverside Elsinore. Comment
  POM295994  Chamaesyce polycarpa Lyman Benson 1945-3-29 11647 Riverside 2 miles south of Whitewater. 366 Comment
  RSA444789  Chamaesyce polycarpa J. C. Roos 1965-6-23 s.n. Riverside Cactus City, on I 10, 25 miles east of Indio. Comment
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May 21 2011
  RSA747991  Chamaesyce polycarpa Scott D. White, Justin M. Wood 2009-4-28 12613 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  UC1130420  Chamaesyce polycarpa H. S. Yates 1937-3-23 6439 Riverside 15 mi nne Mecca 548 Comment
  SEINET6938522  Chamaesyce polycarpa W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside 2.5 miles west of Route U.S 395 and ca. 5 miles southeast of Lake Mathews. Comment
  RSA336047  Chamaesyce polycarpa var. hirtella R. F. Thorne, W. Wisura, A. Shmida, R. Whittaker 1978-4-23 52028 Riverside Chino Canyon. Comment
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Apr 25 2011
  RSA346267  Chamaesyce polycarpa var. hirtella R. F. Thorne, Dick Tilforth, L. M. Shultz, J. Hogge 1980-4-16 54037 Riverside San Bernardino Mountains: At mouth of Whitewater Canyon, ca. 1/4 mi. W of Whitewater P.O. and 1/2 mi. W of Whitewater River. 415 Comment
  JOTR32616  Chamaesyce setiloba La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1021 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
  JOTR33671  Chamaesyce setiloba La Doux, Tasha, Mike Bell, Mariya Navasio 2005-9-21 2661 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Wonderland of Rocks; Near Wall Street Mill parking area 1310 Comment
  CAS-BOT-BC66313  Cheilanthes clevelandii A. C. Sanders; Mitch Provance; E. J. Lawlor 2000-1-23 23312 Riverside Lake Skinner area: summit Black Mtn. 914 Comment
  RSA685719  Cheilanthes covillei Susan Hutchinson 1927-03 37 Riverside White Tank [Joshua Tree National Park, Mojave Desert] Comment
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Nov 12 2011
  UCR150602  Cheilanthes covillei R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38136 Riverside Peninsular Ranges; San Jacinto Mountains, San Bernardino National Forest. Hilltop above Lake Fulmor 1677 Comment
  UCR41226  Cheilanthes covillei N. M. Fellows, A. C. Sanders 1985-4-9 157 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  RSA85864  Cheilanthes newberryi F. W. Peirson 1922-4-30 2929 Riverside foot of St Johns Grade, south of Hemet Comment
  UCR93198  Cheilanthes newberryi G. P. Schultz 1994-4-7 90 Riverside Box Springs Mtns, Big Springs Canyon and N on the crest to Two Trees Canyon (S side) Comment
  CAS-BOT-BC70334  Cheilanthes parryi Ira L. Wiggins 1938-3-25 8924 Riverside Eagle Canyon, 3-5 miles south of Palm Springs Comment
  POM312123  Cheilanthes parryi Norman C. Cooper 1944-4-8 1084 Riverside San Bernardino National Forest, San Jacinto Mountains: Andreas Canyon (near Palm Springs) 457 Comment
  RSA0042110  Cheilanthes parryi Duncan S. Bell, LeRoy Gross 2014-3-6 6193 Riverside Santa Rosa Mountains; Toro Canyon on the east side of Martinez Mountain. 259 Comment
  RSA685805  Cheilanthes parryi N. R. Zabriskie, W. M. Zabriskie 1971-3-7 349 Riverside Andreas Canyon watershed. 366 Comment
  RSA553097  Chenopodium Scott D. White 1992-9-11 s.n. Riverside Vicinity of Gilman Hot Springs, N side of San Jacinto River, and a thin strip trending N of the river and W of the Hot Springs 451 Comment
  CAS-BOT-BC140677  Chenopodium album John Green 2005-5-4 s.n. Riverside Perris-Aguanga Region: SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  RSA717053  Chenopodium album A. C. Sanders 2002-12-13 25662 Riverside Temescal Valley: development called Trilogy at Glen Ivy at the confluence of Bixby and Anderson Canyons, basin W18 north of Trilogy Parkway 366 Comment
  UC1191338  Chenopodium berlandieri Malcolm A. Nobs and S. Galen Smith 1948-9-3 485 Riverside 2 mi n Indio (edge of irrigation channel); Imperial Valley Comment
  UCR261487  Chenopodium berlandieri A. C. Sanders, Katie Young, John Hale 2015-4-22 41584 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 1.6 km south of I-10, 1.2 km NW (319 deg. ) of One Horse Spring 458 Comment
  SD181597  Chenopodium berlandieri var. sinuatum Scott D. White 1998-10-13 7181 Riverside Corona, near Bedford Cyn, dissected alluvial slope, foothills at eastern slope of Santa Ana Mtns, 'Joseph Canyon' wash near a disused quarry. Site adjacent to housing tracts now under construction and proposed for same. USGS 7.5' corona South quad. 334 Comment
  SDSU13951  Chenopodium californicum Michael G. Simpson, A. Russell, T. Linz, & C. Guilliams 2000-4-2 2068 Riverside Santa Margarita Ecological Reserve (SDSU), ca. 1/4 mile west of northern gate for Northside field station, along 'insect trail.' Ca. 3 miles northeast of Gavilan Mtn. 396 Comment
  UCR16111  Chenopodium californicum Charles Herrick 1974-5-2 s.n. Riverside 1/4 mi south of Calimesa turnoff of Freeway 10 655 Comment
  SD234928  Chenopodium desiccatum Mitch Provance 2003-6-7 7611 Riverside San Bernardino Valley: Jurupa Mountains (extreme northwest end), near Philadelphia Street. 262 Comment
  RSA711844  Chenopodium glaucum A. C. Sanders 2002-12-13 25663 Riverside Temescal Valley: development called Trilogy at Glen Ivy at the confluence of Bixby and Anderson Canyons, basin W18 north of Trilogy Parkway. 366 Comment
  UCR230934  Chenopodium murale T. B. Salvato, Richard Camacho 2011-6-12 5475 Riverside Peninsular Range, Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles 372 Comment
  POM177958  Chenopodium pumilio C. F. Lackey 1931-6-30 s.n. Riverside Citrus Experiment Station grounds, Riverside. Comment
  SD234366  Chenopodium strictum Mitch Provance 2003-6-7 7607 Riverside San Bernardino Valley: Jurupa Mountains (extreme northwest end), near Philadelphia Street. 262 Comment
  UCSB50619  Chilopsis linearis Millett, Barbara 1980-5-18 Riverside Corn Springs Wash, Corn Springs Road, 8 miles southwest of junction with Chuckwalla Road 457 Comment
  UCSB56453  Chilopsis linearis Fulton, Michelle 1986-3-9 Riverside Box Canyon, 5 mi. NE of Mecca 60 Comment
  UC65010  Chilopsis linearis subsp. arcuata E. E. Schellenger 1905-10-16 32 Riverside Palm Springs Colorado Desert, Palm Springs Comment
  UCD121656  Chilopsis linearis subsp. arcuata L. S. Rose 1935-12-22 s.n. Riverside Colorado Desert, Palm Canyon Wash. 182 Comment
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Feb 6 2013
  UCR59781  Chilopsis linearis subsp. arcuata Jeri Hirshberg 1989-7-27 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, Temecula Creek Wash, west of sand and gravel company in Butterfield Valley Comment
  UCR95952A  Chimaphila menziesii Scott D. White 1996-8-1 4408 A Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  CAS-BOT-BC217963  Chloris truncata Scott D. White 1996-9-22 4535 A Riverside Nuevo Road, just E of San Jacinto River crossing, Perris Basin 432 Comment
  RSA725734  Chlorogalum parviflorum T. B. Salvato, Gregg Miller 2005-6-3 1376 Riverside ca 3 mi SW of Perris, 1.7 mi SW of the Goetz Road crossing of the San Jacinto River and ca 0.25 mi S of Ethanac Road 436 Comment
  RSA701090  Chorizanthe brevicornu Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11253 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
  UCR167413  Chorizanthe brevicornu John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, WNW of Rancho Dos Palmas between Coachella Canal siphons 29 and 30 24 Comment
  CAS-BOT-BC191708  Chorizanthe brevicornu var. brevicornu L. R. Abrams 1926-3-26 11016 Riverside Palm Springs Comment
  UCSB38674  Chorizanthe brevicornu var. brevicornu Cowan, Clark 1978-4-23 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon. 570 Comment
  UC279686  Chorizanthe corrugata Edmund C. Jaeger 1926-2-28 Riverside Dos Palmas near Mecca; Colorado Desert, Dos Palmas near Mecca Comment
  UCD99663  Chorizanthe corrugata C. L. Hitchcock 1966-3-20 24304 Riverside 20 miles N of Ogilby, along road to Blythe. Comment
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Mar 2 2013
  UCR138573  Chorizanthe corrugata Steve Boyd, Orlando Mistretta 1986-3-13 1447 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  UCR24250  Chorizanthe corrugata John C. Roos 1949-3-19 4109 Riverside Sonoran (Colorado) Desert, Mouth of Shaver's Wash near Mecca Comment
  RSA192062  Chorizanthe fimbriata E. W. Lathrop 1966-5-9 6276 Riverside 3 miles SW of Murrieta between Mesa de la Punta and Sandia Canyon. Comment
  UCR116696  Chorizanthe fimbriata George K. Helmkamp 1974-7-16 s.n. Riverside Santa Ana Mtns. region, Ortega Oaks Park on Hwy 74 610 Comment
  CHSC1316  Chorizanthe fimbriata var. fimbriata E. Thomas 1931-6-3 5 /26/1940 Riverside Temecula canyon. Comment
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Mar 27 2011
  UC1929666  Chorizanthe fimbriata var. fimbriata Scott D. White, Michael Honer 2003-6-17 9552 Riverside S PERRIS BASIN: Murrieta. Interstate 215 / Clinton Keith interchange. Comment
  UCR5916  Chorizanthe fimbriata var. fimbriata Dick Bernier 1966-5-12 s.n. Riverside Perris-Aguanga Basin Region, Paloma Valley near Bell Mtn., along Hwy 395 [215], c. 5 miles south of Hwy 74 turnoff to Hemet 457 Comment
  UCR217644  Chorizanthe leptotheca Jeff B. Galvin 2010-6-7 132 Riverside San Jacinto Mountains, Bautista Canyon, slopes on east side of creek, c. 1 km north of conservation camp 847 Comment
  RSA735987  Chorizanthe parryi var. parryi Scott D. White, Justin M. Wood 2008-5-27 12037 Riverside Perris Basin: I-215 freeway, between Clinton Keith and Alamos. 396 Comment
  UCR174176  Chorizanthe parryi var. parryi A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32575 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR213618  Chorizanthe parryi var. parryi A. C. Sanders, Matthew Malle 2010-4-23 38012 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UCR237874  Chorizanthe polygonoides var. longispina Mark A. Elvin 2003-3-26 2365 B Riverside San Jacinto Mountains, Garner Valley off Fobes Ranch Rd., east of Hwy 74 1372 Comment
  RSA607655  Chorizanthe procumbens R. S. Woglum 1938-5-1 1604 Riverside Peninsular Ranges: South of Hemet; San Jacinto Valley west of San Jacinto Mountains. Comment
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Jun 9 2012
  UC284256  Chorizanthe staticoides P. A. Munz, D. Keck 1923-6-14 7066 Riverside Glen Ivy Trail to Santiago Peak; Santa Ana Mts., 1127 Comment
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Apr 1 2013
  UCR84592  Chorizanthe xanti subsp. leucotheca Scott D. White, S. Ogg 1994-4-21 1976 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  RSA314670  Chorizanthe xanti var. leucotheca Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55494 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  CAS-BOT-BC30107  Chrysolepis chrysophylla Winifern W. Swarth 1914-9-10 s.n. Riverside Tahquitz Valley, San Jacinto Mts. 2438 Comment
  UCR611  Chrysolepis sempervirens S. C. Warner 1956-5-20 s.n. Riverside San Jacinto Mtns., 1.5 mi. above Marion Mountain Camp along the trail to San Jacinto Peak 2561 Comment
  CLARK-A1528-5224  Chrysopsis villosa var. fastigiata John C. Roos 1949-9-17 4657 Riverside Whitewater Wash Comment
  POM12416  Chrysothamnus nauseosus subsp. bernardinus P. A. Munz 1922-9-7 6406 Riverside Tamarack Valley, San Jacinto Mts. 2866 Comment
  POM295621  Chrysothamnus paniculatus Lyman Benson 1955-1-8 15403 Riverside Edge of San Jacinto Mountains, 5 miles NE of Palm Springs 61 Comment
  RSA40319  Chrysothamnus paniculatus L. S. Rose 1945-12-25 45323 Riverside 4 miles N of Palm Springs. Comment
  JOTR16578  Chrysothamnus teretifolius Baker, James K. & Baker, Ilisa T. 1976-2-9 s.n. Riverside Joshua Tree National Park. ROAD TO STUBBE SPRING 1310 Comment
  RSA696808  Chrysothamnus teretifolius J. Russell Bruff 1928-12-4 s.n. Riverside Split Rock Comment
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Oct 23 2011
  SD21522  Chylismia brevipes subsp. brevipes Frank F. Gander 1938-5-21 5765 Riverside Shaver's Summit. Comment
  SDSU18673  Chylismia brevipes subsp. brevipes Michael G. Simpson, Kristen Hasenstab 2008-4-3 2957 Riverside Joshua Tree National Park. Wash, along trail to Cottonwood campground, ca. 0.2 mile south of campground, ca. 0.3 mile north-northwest of Cottonwood Spring. 918 Comment
  SBBG28551  Chylismia claviformis subsp. aurantiaca D. Myrick 1964-4-30 817 Riverside Pines to Palms Hwy 74, 12 mi W of Palm Desert 1066 Comment
  CAS-BOT-BC289646  Cirsium occidentale var. californicum H. M. Hall 1901-6-1 2286 Riverside Vicintiy of Chalk Hill, San Jacinto Mountains 1584 Comment
  RSA0070883  Cirsium scariosum R. F. Thorne, E. Lathrop 1969-6-6 39335 Riverside Santa Rosa Plateau: Rancho California. 609 Comment
  UCR142037  Citrullus lanatus var. citroides Mitch Provance 2003-5-25 s.n. Riverside Santa Ana River Valley, north side of Ab Brown Park, along Placentia Lane 0.5 mi. SW of the La Loma Hills 255 Comment
  UCR193896  Clarkia purpurea A. C. Sanders, Mitch Provance 2008-7-11 35785 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  POM3124  Clarkia purpurea subsp. quadrivulnera Jenkins, Street 1917-5-30 s.n. Riverside San Jacinto Canyon. Comment
  RSA575079  Clarkia purpurea subsp. quadrivulnera Steve Boyd 1982-5-20 s.n. Riverside Gavilan Hills region, upper Dawson canyon. 329 Comment
  UC20334  Clarkia purpurea subsp. quadrivulnera Geo. F. Reinhardt June 1897 Riverside San Jacinto Mountains Comment
  CAS-BOT-BC164737  Clarkia rhomboidea H. M. Hall 1897-6-16 651 Riverside Strawberry Valley 1600 Comment
  UCR112821  Clarkia similis A. C. Sanders 1997-5-1 20608 Riverside Lake Skinner area, north foot and lower slopes of Black Mtn., edge of Crown Valley on E side of Rawson Canyon 671 Comment
  UCR121694  Claytonia perfoliata A. C. Sanders 2002-5-4 25039 Riverside San Jacinto Mtns., Idyllwild, Pine Crest Ave., NE of Hwy 243 1677 Comment
  CAS-BOT-BC91329  Clematis lasiantha Carl B. Wolf 1941-8-15 11156 Riverside Santa Ana Mountains, east slope along main divide Motorway between Indian Canyon Summit and Trabuco Peak. 1371 Comment
  RSA720598  Clematis lasiantha T. Tennant 1998-5-7 MOR- 85 Riverside Morongo Indian Reservation, Wood Canyon (polygon W8), ca. 0.6miles NNW of Cabazon. 1280 Comment
  UC1608232  Clematis lasiantha Steve Boyd, Tim Ross, and Orlando Mistretta 1992-3-31 6758 Riverside Tenaja Trail from junction with Morgan Trail s. to Pigeon Spring area (San Mateo Canyon Wilderness Area); Santa Ana Mts., San Mateo Canyon Wilderness Area 670 Comment
  RSA552742  Clematis pauciflora Steve Boyd, Tim S. Ross, Orlando Mistretta 1992-2-25 6674 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Tril from junction 7S04 and 7S01 upstream to southern end of Potrero de la Cienega, but primarily about Tenaja Falls. 396 Comment
  UCR17484  Clematis pauciflora R. S. Woglum 1934-3-18 0625 Riverside San Jacinto Mtns., Snow Creek, Coachella Valley Comment
  SD102264  Collinsia concolor T. Reeves 1978-5-13 6899 Riverside San Jacinto Mts. Foothills SE of Banning, arroyo, Acess via Westward Ave. 671 Comment
  UCR48510  Collinsia heterophylla Steve Boyd 1986-4-2 1616 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA0117392  Collinsia parryi Steve D. Boyd, Orlando Mistretta 1992-4-23 7072 Riverside San Mateo Canyon Wilderness Area, along San Mateo Creek from Riverside Co. line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 244 Comment
  OBI38803  Condalia globosa var. pubescens A. C. Sanders, et al 1986-3-1 6042 Riverside Chuckwalla Bench, W side of Chuckwalla Mts, 9 mi S of hwy I-10 on the gasline road, 2 mi airline S of the Model Mine 579 Comment
  RSA318528  Conium maculatum Patricia Wilder 1971-2-4 4914 Riverside By edge of vernal pool in northeast portion of Prado Park; east of Archibald Ave. 244 Comment
  SD181584  Convolvulus simulans Steve Boyd 2001-4-12 10405 Riverside Santa Ana Mountains-Gavilan Hills Region, Temescal Canyon, terrace escarpment just south of DePalma Road, between Indian Wash and Horsethief Wash. Comment
  UCR166292  Convolvulus simulans Chris E. True 2005-4-18 s.n. Riverside Peninsular Range, South of Lake Mathews near ranger station for Lake Mathews/Estelle Mtn. Preserve 451 Comment
  RSA554286  Conyza bonariensis Scott D. White 1992-2-25 92 -10 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
  RSA619541  Conyza bonariensis D. L. Banks 1997-5-5 1990 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  UCR110416  Conyza coulteri A. C. Sanders, Mitch Provance 1999-9-26 23125 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
  UCSB26204  Cordylanthus rigidus subsp. rigidus Gliessman, Stephen 1968-7-24 Riverside West side of Morris Ranch Road, 0.4 miles north of junction with Highway 74, hills north of Hemet Valley 1402 Comment
  POM4482  Cordylanthus rigidus subsp. setiger F. M. Reed 1908-7-14 2457 Riverside Common in and below Strawberry Valley. Comment
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May 1 2011
  RSA493818  Cordylanthus rigidus subsp. setiger Maureen Pendleton 1987-7-27 s.n. Riverside 9.5 mi. N of Temecula, 0.5 mi. W of I-15E, just S of Keller Rd. 488 Comment
  RSA444564  Coreopsis bigelovii Walter Wisura 1988-3-23 4202 Riverside Highway 62 immediately E of Robinson Road, West of Twentynine Palms. Comment
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Sep 7 2013
  UC62879  Coreopsis californica var. californica H. M. Hall 1902-4-18 2924 Riverside Foothills 762 Comment
  CLARK-A1528-1788  Corethrogyne filaginifolia John C. Roos 1965-8-19 Riverside Beaumont Comment
  UCR128896  Coronopus didymus A. C. Sanders, E. J. Lawlor, Don Pendleton 1992-3-21 12073 Riverside Sonoran (Colorado) Desert, Coachella Valley, Oasis Date Garden, 4.4 miles north of Mecca on Hwy 111 near Ave. 59 -44 Comment
  JOTR32315  Coryphantha alversonii Herskovits, Tasya 2011-5-25 s.n. Riverside Joshua Tree National Park. Cottonwood Mountains; Pinto Basin road; Convergence of large sandy, open southeast flowing wash and Cottonwood Canyon; Small rocky ledges and outcrops bordering wash (Stop 1) Comment
  SD181709  Cotula australis Scott D. White 1999-5-2 7286 Riverside Perris/Sun City area, just east of Goetz Road and south of Ethanac Road, ca. 1.5-2.0 miles west of I-215. 440 Comment
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Oct 28 2016
  RSA678342  Crassula connata Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10479 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
  UCR108849  Crassula connata Heidi A. Haid 1968-3 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR126928  Cressa truxillensis Julie A. Greene 1993-5-12 1292 Riverside San Jacinto Valley, San Jacinto Wildlife Area, north side of San Jacinto River levee, west of Davis Road 433 Comment
  UCD102968  Crossosoma bigelovii P. C. Everett; E. K. Balls 1958-5-4 23080 Riverside Morongo Pass, 7.6 mi. n. along road to 29 Palms from U.S. Hwy. 60/70. 670 Comment
  SEINET3164599  Croton californicus L. S. Copel 1904-5-4 sn Riverside West Canyon, Palm Springs; Colorado Desert Comment
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Aug 3 2013
  UCR166165  Croton californicus John F. Green 2005-2-10 s.n. Riverside Peninsular Range, E of Temecula, Rancho California, SE of intersection of Mesa Verdugo and Calle Vista, N of Pauba Valley and south of Buck Mesa 430 Comment
  UCSB3574  Croton californicus Walker, Clifford 1954-4-9 Riverside 3 miles south of Devil''s Garden between White Water Canyon and Twentynine Palms Comment
  VVC1451  Croton californicus A. C. Sanders, J. Mac 1996-11-23 19651 Riverside San Bernardino Mtns., Whitewater Canyon, just below the fish hatchery 648 Comment
  RSA545238  Croton californicus var. mohavensis R. F. Thorne 1970-10 41888 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
  GMDRC5506  Cryptantha J. Andre, T. La Doux, R. B. Kelley 2011-5-4 21088 Riverside Little San Bernardino Mountains: Long Canyon, up side canyon approx. 400 m. west of main canyon drainage 1172 Comment
  RSA0124008  Cryptantha Duncan S. Bell, Thomas Stoughton 2016-4-13 9243 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; on the western slopes of Martinez Mountain. 1548 Comment
  UCR234283  Cryptantha A. C. Sanders 2012-4-12 40034 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between El Hermano Rd. and I-15 crossing near Mayhew Canyon 311 Comment
  POM287897  Cryptantha angustifolia Lyman Benson 1933-3-31 4195 Riverside Salton Sea-Imperial Co. line. 61 Comment
  POM368194  Cryptantha angustifolia E. S. Spalding 1926-2-13 16009 Riverside Colorado Desert. Box Canon on Blythe Road. Comment
  RSA0029325  Cryptantha angustifolia Justin M. Wood, J. Varonin, T. Valentovich 2012-4-23 4688 Riverside Sonoran Desert: Chuckwalla Valley, active sand dunes +/- 7.25 miles northeast of Desert Center, +/- 3.0 miles E of SR-177, and +/- 1.0 mile N of abandoned Jojoba farm. 149 Comment
  SBBG81513  Cryptantha angustifolia S. A. Junak 1983-3-23 1616 a Riverside Jefferson Rd, across from entrance to Cahuilla Lake County Park, S of Indio Comment
  SEINET3350020  Cryptantha angustifolia Stephen Hale 2012-1 4813 Riverside Black Point Mesa, Big Maria Mts., 0.25 mi. W SR 95, 15 Mi. N Blythe. 185 Comment
  UC1114587  Cryptantha angustifolia Peter H. Raven 1958-1-24 11441 Riverside Fargo Canyon Comment
  UCR245251  Cryptantha angustifolia Jim Andre 2012-3-19 21300 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
  POM98737  Cryptantha angustifolia P. A. Munz 1926-1-31 9974 Riverside Dos Palmas Spring Comment
  RSA336415  Cryptantha barbigera R. F. Thorne, Walter Wisura, A. Shmida, Whittaker 1978-4-23 52054 Riverside Palm to Pines Highway: Above Palm Desert., north slope Santa Rosa Mountains. Comment
  SJSU11357  Cryptantha barbigera A. N. Gillogly 1966-5-2 Riverside behind Univ of Calif Agricultural Extension Bldg, University of California 365 Comment
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Mar 27 2014
  UCR214160  Cryptantha barbigera T. B. Salvato 2010-4-20 4062 Riverside Sonoran (Colorado) Desert, alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 189 Comment
  UCR50878  Cryptantha barbigera A. C. Sanders 1988-5-11 7797 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal, east of the gasline road from Niland 549 Comment
  SD167193  Cryptantha barbigera var. fergusoniae A. C. Sanders Feb 1987 6976 Riverside Sonoran (Colorado) Desert; foot of Ra;bbit Peak on the trail up from the mountain from the east. 121 Comment
  UCR243166  Cryptantha barbigera var. fergusoniae LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4328 Riverside Transverse Ranges; San Bernardino Mountains, 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
  UCR276655  Cryptantha barbigera var. fergusoniae Jim Andre 2015-3-6 33550 Riverside Coachella Valley, along Snow Canyon oad, just south of Hwy 111 362 Comment
  RSA796504  Cryptantha holoptera J. Andre 2012-3-19 21382 Riverside Palen Mountains; along Palen Pass Road at Palen Pass. 383 Comment
  POM293650  Cryptantha intermedia Lyman Benson 1946-4-15 12027 Riverside 2 miles east of Banning, Colorado Desert 609 Comment
  RSA487555  Cryptantha intermedia Bill Wagner 1988-3-2 1850 Riverside Glenoaks Road about 2.5 mi S if Lake Skinner and ca. 8 mi NE of Temecula. 564 Comment
  RSA659685  Cryptantha intermedia J. C. Roos 1947-3-21 3366 Riverside Plateau, Reche Canyon Comment
  RSA732138  Cryptantha intermedia J. Andre 2006-4-6 8148 Riverside Joshua Tree National Park: approx 50 m N. of Keys View Parking area. 1553 Comment
  RSA744305  Cryptantha intermedia Michael Wall 2009-3-27 499 -D Riverside Bautista Creek east of Hemet off Bautista Canyon Rd. ca. 8 miles SE of jct. with Fairview Ave. 754 Comment
  SDSU13341  Cryptantha intermedia C. Matt Guilliams 2000-4-29 Riverside Santa Margarita Ecological Reserve, 'Insect Trail'. 1.5 miles NE of Gavalin Mtn. 305 Comment
  UCD119858  Cryptantha intermedia R. N. Raynor 1938-6-20 s.n. Riverside Pines to Palms Highway, between Hemet and Idyllwild. Comment
  UCR172756  Cryptantha intermedia Abby Sirulnik, Ian G. Gillespie 2000-5-14 43 Riverside Peninsular Ranges; Santa Ana Mtn. Foothills, Temescal Canyon. Indian Truck Road exit off of Interstate 15, c. 0.9 mi. S on De Palma Road 427 Comment
  UCR225733  Cryptantha intermedia A. C. Sanders 2011-3-30 38918 Riverside Peninsular Range; SE edge Gavilan Hills, along north side of Hwy 74 at Riverside Street, just outside city limits of Lake Elsinore 479 Comment
  UCR241818  Cryptantha intermedia A. C. Sanders, Timothy W. Chumley 2013-4-2 40750 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., above I-15 Fwy, SE of Corona (Lee) Lake 396 Comment
  JOTR29373  Cryptantha maritima La Doux, Tasha, Mike Bell 2006-5-10 1450 Riverside Joshua Tree National Park. East Deception Canyon Comment
  JOTR33862  Cryptantha maritima La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3053 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; rocky basalt slopes above Pinto Wash 377 Comment
  RSA357781  Cryptantha micrantha R. F. Thorne, M. Z. Thorne 1973-3-30 42666 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  UC24831  Cryptantha micrantha H. M. Hall 1901-7 2487 Riverside shores of Lake Surprise San Jacinto Mountains, Lake Surprise 2499 Comment
  UCR214414  Cryptantha micrantha subsp. micrantha A. C. Sanders, Richard Dwerlkotte 2010-3-22 37504 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 2 mi. SE of Sidewinder Well, south of Palen Dry Lake, SW of Palen Mtns. 142 Comment
  RSA790339  Cryptantha micrantha var. lepida C. P. Cowan 1978-4-24 1255 Riverside 19.6 mi S on Hwy 74 from its jct with Hwy 111 at Indian Wells. Sta. Rosa Road, 1.9 mi S of 74. Whittaker transect no.W-226(voucher). Comment
  UCR177189  Cryptantha microstachys Scott D. White, Michael Honer 2003-4-4 8958 Riverside Peninsular Ranges; Perris-Aguanga Basin, Temescal Canyon, dissected bajada bench, below and east of Horsethief Canyon, immediately south of I-15 Fwy 427 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
  JOTR30317  Cryptantha nevadensis La Doux, Tasha, Erin Babich, Bill Truesdell 2008-3-10 1751 Riverside Joshua Tree National Park. Stop 2: Near Sand Hill in Pinto Basin 538 Comment
  RSA703398  Cryptantha nevadensis LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1450 Riverside Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  CLARK-A1045-103  Cryptantha pterocarya George K. Helmkamp 1977-3-20 Riverside San Jacinto Mountains flats above Deep Canyon; ; Palm Desert 15'Q 1066 Comment
  RSA796031  Cryptantha pterocarya var. cycloptera Duncan S. Bell 2009-4-18 254 Riverside Arica Mountains: southeast side of range, approximately 1.7 air miles west of Priests Well. 463 Comment
  UCR115350  Cryptantha pterocarya var. purpusii A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16293 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
  POM98012  Cryptantha racemosa E. C. Jaeger 1926-3-26 s.n. Riverside Eagle Mts, Eastern 884 Comment
  UC1595710  Cryptantha utahensis W. Wisura, A. King, and L. Newcomb 1992-4-10 4671 Riverside n of I-10 (Whitewater Rd) Comment
  RSA409701  Cuscuta californica I. M. Johnston 1917-4-4 s.n. Riverside Mouth of Andreas Canyon. 244 Comment
  RSA71010  Cuscuta californica F. W. Peirson 1921-4-13 2399 Riverside Deep Canyon; north base of Santa Rosa Mountains, Riverside. 152 Comment
  POM122840  Cuscuta ceanothi Marcus E. Jones 1924-4-29 s.n. Riverside Idyllwild. Comment
  UCR48365  Cuscuta indecora var. indecora Steve Boyd 1986-5-1 1811 Riverside S slopes of Bachelor Mtn, east end of Lake Skinner Comment
  UCR182506  Cuscuta salina Mitch Provance 2005-5-17 6562 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  RSA49307  Cuscuta subinclusa Duncan S. Bell, Colleen Wheeler 2010-7-19 1632 Riverside San Bernardino National Forest: Garner Valley, approximately 2.8 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1383 Comment
  SD229116  Cylindropuntia californica var. parkeri Dick Schwenkmeyer 2012-3-26 668 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx 1 mile northeast of junction of Highway 74 and Morris Ranch Road, base of steep bouldery slope. 1374 Comment
  SD248374  Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2013-4-15 17727 Riverside Desert Cemter 7.5'Q USGS quad. Chuckwalla Moutains, just south of Corn Springs Wash, 250 m east of its confluence with Irish Wash, 500m NW of Azted Well, 74KM west of Blythe. 641 Comment
  SEINET5624483 Image available Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2012-4-10 17536 .1 Riverside North side of Chuckwalla Mountains, 1.7km NNE of Chuckwalla Spring, 57km west of Blythe, Chuckwalla Spring 7.5' USGS topographic quadrangle 498 Comment
  UCD60012  Cynodon dactylon T. C. Fuller 1970-10-7 19798 Riverside Palo Verde Valley, southeast of Blythe. Comment
  CAS-BOT-BC114798  Cyperus involucratus A. C. Sanders; G. Helmkamp 1996-3-17 17981 Riverside Coachella Valley: Palm Springs, Tahquitz Cyn, in vicinity of the debris basin, 182 Comment
  RSA289840  Cyperus odoratus B. A. Prigge 1980-9-17 4074 Riverside Coachella Valley Stormwater Channel: 1.5 miles N of Coachella where Dillon Road crosses channel. -12 Comment
  UCR109738  Cyperus odoratus T. W. Fisher 1963-9-20 s.n. Riverside Riverside, Santa Ana River 213 Comment
  UCR188896  Cyperus odoratus Fred M. Roberts, S. Leatherman 2007-9-19 6589 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  UCR199649  Cyperus odoratus Justin M. Wood 2008-7-16 37 Riverside Perris/Elsinore Basin, Gavilan Hills at Temescal Wash, near Olsen Canyon, 'Morgan' property, Alberhill area 366 Comment
  RSA517813  Dalea mollis Steve Boyd, Orlando Mistretta 1986-3-13 1428 Riverside Palen Mountains; NE of Desert Center, jct. of Parker Dam Rd. and Palen Rd. (road going through pas between Palen and Granite Ranges). 244 Comment
  RSA779806  Dalea mollis Duncan S. Bell 2009-3-9 105 Riverside Arica Mountains: southeast section of the mountain range approximately 1.2 air miles from Priest Well or approximately 6.5 air miles southwest of the ghost town of Rice. 307 Comment
  SBBG68019  Dalea mollis unknown 1893-1 Riverside Agua Caliente [Palm Springs] Comment
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Jul 16 2010
  JEPS41662  Dalea mollissima W. L. Jepson 1927-4-12 11637 Riverside Painted Canyon Mecca Hills, Painted Canyon 76 Comment
  UCD65772  Dasyochloa pulchella Geoffrey Levin 1976-10-17 1179 Riverside Colorado Desert. Box Canyon, about 11 mi. east of Mecca. Mecca Hills Mt. Range. Salton Sea Basin. 91 Comment
  UCR281018  Dasyochloa pulchella Fred M. Roberts 2016-3-5 8004 Riverside Sonoran (Colorado) Desert, Little Maria Mountains: shallow canyon at west end, 4.3 km east of Palen Pass and 2.0 km WNW Peak "602" 116 Comment
  RSA381083  Datisca glomerata R. F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61178 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  RSA676265  Datura discolor Scott D. White 2001-4-3 8229 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  IRVC26246  Daucus pusillus A. C. Sanders, D. Malueg 2003-5-8 26578 Riverside Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek Perris-Aguanga Basin region 396 Comment
  RSA500208  Daucus pusillus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3535 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  SD144088  Daucus pusillus A. C. Sanders, P. MacKay, T. Thomas & O. Clarke 1997-5-4 20684 Riverside San Jacinto Mountains: N side of the range, Twin Pines Creek drainage, dry slopes above Brown Crk. 915 Comment
  UCR250194  Daucus pusillus A. C. Sanders 2014-4-8 40984 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 0.35 km NW of El Hermano Rd., c. 0.95 km SE of I-15 crossing 315 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
  UC50192  Deinandra paniculata H. M. Hall May 17 1901-Jun 1 1901 1801 Riverside San Jacinto Mtns. Comment
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Oct 29 2011
  UC64116  Delphinium H. M. Hall May 1899 Riverside 20 mi s Agua Caliente; San Jacinto Mountains Comment
  CLARK-A1528-782  Delphinium parishii Grace Sprague 1968-5-3 Riverside San Jacinto Mountains Comment
  RSA16371  Delphinium parryi Percy C. Everett 1935-6-17 7160 Riverside Coldwater Canyon Trail to Santiago Peak., 2 miles above Glen Ivy Resort. 610 Comment
  UCR213465  Delphinium parryi A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38360 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  CAS-BOT-BC121428  Delphinium parryi subsp. parryi Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  CAS-BOT-BC121432  Delphinium parryi subsp. parryi George Robertson 1904-5-1 468 Riverside Keller Creek, Santa Ana Comment
  RSA0020474  Delphinium parryi subsp. parryi Scott D. White, Justin M. Wood 2009-5-21 12846 Riverside San Jacinto Mountains: McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  CAS-BOT-BC82957  Dendromecon rigida Peter H. Raven 1958-5-17 12951 Riverside 7.4 miles southeast of Banning on road to Idyllwild, San Jacinto Mountains. Comment
  UCR49241  Dendromecon rigida Steve Boyd 1986-4-22 1748 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  UCD62783  Deschampsia danthonioides var. gracilis Alan A. Beetle 1946-6-10 4404 Riverside San Jacinto Mts., Camp Keene Meadow. Comment
  UCD114768  Descurainia pinnata J. Warren 1952-4-6 s.n. Riverside Palm Springs. 457 Comment
  POM198000  Descurainia pinnata subsp. halictorum Joseph A. Ewan 1932-4-8 7031 Riverside Seven Palms near Garnet Comment
  RSA741111  Descurainia sophia Scott D. White, Justin M. Wood 2008-6-17 12161 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  UCR35066  Dicentra chrysantha L. B. Ziegler 1968-6-26 324 Riverside San Jacinto Mtns, N slope of Thomas Mtn 1555 Comment
  RSA740651  Dichelostemma capitatum Scott D. White, Justin M. Wood 2008-6-19 12269 Riverside Meadows at Baldy Mtn. 1585 Comment
  SEINET232554  Dichelostemma capitatum subsp. capitatum Sharon K. DuBois 1987-5-10 Riverside San Jacinto Mountians 1 mi up Bee Canyon off of Hwy 74 457 Comment
  UCR97241  Dichelostemma capitatum subsp. capitatum Scott D. White 1997-2-9 4673 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-BC292201  Dicoria canescens S. B. Parish 1912-10-8 8366 Riverside Salton Basin. Indio -6 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
  RSA296150  Dicoria canescens B. A. Prigge 1980-8-18 3989 Riverside San Bernardino Mts, Catclaw Flat: 3.5 miles NNW of trout farm 963 Comment
  SFV9394  Dicoria canescens M. L. Vincent, R. H. Swade 1963-10-19 464 Riverside Snow Creek Road, 2 miles from its intersection with California State Highway 111. 366 Comment
  UC76971  Digitaria sanguinalis F. M. Reed 1904-8-23 644 Riverside Riverside Comment
  UCR84061  Digitaria sanguinalis A. C. Sanders, L. Ard 1994-7-11 15062 Riverside San Bernardino Mtns., Cherry Valley, irrigated landscaping at the Edward Dean Museum, Oak Glen Road, 1 mi north of Orchard St. 1000 Comment
  SD129179  Dinebra panicea var. brachiata G. Helmkamp 1989-9-16 Riverside Ca. I(c) mi. S of Hwy I-8 W of Blythe, in disturbed soil beside alfalfa field at Seely Road and state hwy 78. 74 Comment
  SD128720  Diplacus bigelovii var. bigelovii Darley F. Howe 1980-4-16 Riverside 4 miles south of Highway 10 on Cornsprings Road, Chuckwalla Mountains 334 Comment
  SEINET229299 Image available Diplacus bigelovii var. bigelovii Leila M. Shultz, John S. Shultz 1985-1 8346 Riverside Chuckawalla Mountains, alluvial fans at Alligator rock 335 Comment
  RSA0016052  Diplacus bigelovii var. bigelovii George Willet 1930-4-5 s.n. Riverside Temecula. Comment
  CAS-BOT-BC152908  Diplacus brevipes R. Bacigalupi 1925-7-2 1242 Riverside On trail to Tahquitz Peak, San Jacinto Mts. 1767 Comment
  SD53063  Diplacus clevelandii Peter H. Raven 1962-5-18 17759 Riverside Main Divide Truck Trail 2.9 miles south of Santiago Peak Comment
  RSA0019296  Diplacus puniceus Steve D. Boyd, Aydee Virgen 2004-4-13 10850 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  SBBG104034  Distichlis spicata A. C. Sanders 1993-4-1 13659 Riverside western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St and Devonshire Ave, 0.75 mi NE of the intersection of Florida Ave (Hwy 74) and Warren Rd Comment
  UCR19016  Distichlis spicata var. stricta John C. Roos 1952-7-2 5804 Riverside Fairmount Park, Riverside 259 Comment
  RSA608169  Ditaxis lanceolata Steve Boyd, Valerie Soza, Tasha La Doux 1997-10-13 10054 B Riverside Sonoran (Colorado) Desert Chuckwalla Mtns, NW base of the range, south of Eagle Mine Rd exit on Hwy I-10. 426 Comment
  RSA676153  Ditaxis lanceolata Scott D. White 2001-4-3 8262 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  RSA792572  Ditaxis lanceolata Aaron C. Sedgwick, Joella Simons Adkins 2012-10-24 148 Riverside Graham Pass Rd. in the Chuckwalla Mtns. ~1 mi. north of Graham Pass. 421 Comment
  SBBG81673  Ditaxis lanceolata S. A. Junak 1983-3-23 1645 Riverside Berdoo Cyn Rd, 2.4 mi E of Dillon Rd, Little San Bernardino Mtns 411 Comment
  UCR119343  Ditaxis lanceolata B. G. Pitzer 2000-5-7 4136 Riverside Sonoran (Colorado) Desert, extreme north end of Orocopia Mountains, Shavers Valley, at base of hills c. 0.5 mi. SE of Box Canyon Road. 341 Comment
  UCR86210  Ditaxis lanceolata A. C. Sanders 1995-5-23 17112 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
  VVC2196  Ditaxis lanceolata Tim Thomas 2012-8-23 5868 Riverside Colorado Desert, WNW of Blythe, site of Blythe Solar field, at this time it is scheduled to be destroyed. 134 Comment
  UCR163094  Ditaxis neomexicana B. G. Pitzer, G. R. Ballmer 2000-10-14 4224 Riverside Sonoran (Colorado) Desert, south of eastern Ford Dry Lake, c. 200 yards south of Hwy I-10 off gasline road at large wash, 1 mi. east of Ford Lake Rd. exit, c. 22 miles west of Blythe 110 Comment
  VVC2111  Ditaxis neomexicana Tim Thomas 2012-8-23 5870 Riverside Colorado Desert, WNW of Blythe on east side of McCoy Mtns, 5 miles north of I-10 168 Comment
  JEPS52446  Ditaxis serrata Marjorie D. Clary 1932-3-2 906 Riverside Bajada of Santa Rosa Mts., 3 mi w of Coral Reef Ranch, Coachella Comment
  CAS-BOT-BC43590  Dithyrea californica S. B. Parish; W. F. Parish 1892-4-1 s.n. Riverside Borders of the Colorado Desert. Whitewater. Comment
  CAS-BOT-BC43641  Dithyrea californica P. A. Munz; L. Street; I. Williams 1919-3-25 2309 Riverside Whitewater. 304 Comment
  UCR223981  Dittrichia graveolens Lee Jones 2010-11-19 s.n. Riverside Beaumont, San Timoteo Canyon Rd. at entrance to golf course maintenance bldg., c. 1.8 mi. west of intersection with I-10 701 Comment
  UC877529  Dodecatheon alpinum P. A. Munz 1922-7-6 5993 Riverside Tahquitz Valley San Jacinto Mts., Tahquitz Valley 2194 Comment
  CLARK-A1528-1317  Dodecatheon clevelandii John C. Roos 1946-12-28 3195 Riverside Reche Canyon 0 Comment
  RSA359605  Dodecatheon clevelandii Steve Boyd 1986-3-9 1401 Riverside Temescal Canyon: Terrace escarpments between Indian Truck Trail and Horsethief Wash 366 Comment
  UCR23186  Downingia bella Melody Lardner 1981-5-31 196 Riverside Santa Ana Mtns, Tenaja Rd., 2.5 mi from the corner of Calle Collina Rd. and Tenaja Rd., 0.5 mi east of Squaw Mtn 610 Comment
  SD132879  Downingia cuspidata Tim Cass 1979-6-1 205 Riverside Mesa de Colorado, Pool C Comment
  CAS-BOT-BC157798  Drymocallis lactea var. lactea Edmund C. Jaeger s.n. Riverside [Taequitz] Tahquitz, San Jacinto Mts. Comment
  UCR251865  Dryopteris arguta M. A. Voeltz 2014-5-25 s.n. Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon near Corona, Cleveland National Forest, Trabuco Ranger District 403 Comment
  UCSB2520  Dudleya cymosa Gray, Caroline 1956-4-13 Riverside In White Water Canyon; near White Water Comment
  RSA83384  Dudleya edulis P. A. Munz 1923-6-18 4277 Riverside Temecula Canyon. Comment
  RSA397782  Dudleya saxosa subsp. aloides Jack Rempel 1933-3-26 17583 Riverside Near Morongo Valley. Comment
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Jun 14 2012
  RSA695581  Dyssodia porophylloides Keith E. Hoffmaster 1937-6-6 806 Riverside Desert grade of Palms to Pines Highway. Comment
  SEINET8059976 Image available Echinocactus polycephalus var. polycephalus Michael Chamberl 1990-1-11 20 Riverside 3.6mi S of Inyo county line on Route 127. On west side of small hill on west side of road. 300 Comment
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Jun 5 2016
  UCR236671  Echinochloa colona Fred M. Roberts, Michelle Balk 2006-8-24 6406 Riverside Perris Basin, Old Salt Creek drainage, Hemet at northwest corner of California Ave. and Marvin Hull Road 452 Comment
  UCR189543  Echinochloa crus-galli Fred M. Roberts, S. Leatherman 2007-9-19 6580 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  UCR23770  Eclipta prostrata John C. Roos 1948-10-23 3524 Riverside Riverside, Evans Lake, Fairmont Park 274 Comment
  RSA0028738  Elatine brachysperma R. E. Riefner 1998-4-22 98 -295 Riverside Elsinore Trough between Willard and Murrieta Creek. Lake Elsinore. Comment
  UC1409150  Elatine chilensis Robert F. Thorne and Earl Lathrop 1969-5-12 37939 Riverside Mesa de Colorado, Rancho Californua Santa Rosa Plateau Comment
  RSA614833  Eleocharis geniculata A. C. Sanders, Scott D. White, C. L. Sanders 1994-10-9 15815 Riverside San Bernardino Mountains: Whitewater Canyon, 2 miles below trout farm, above Bonnie Bell. Comment
  UC839371  Eleocharis macrostachya I. W. Clokey, E. G. Anderson 1935-1 6565 Riverside Hemet Lake 1320 Comment
  UCR43787  Eleocharis montevidensis R. F. Thorne, W. Wisura, E. W. Lathrop, S. Meury 1985-5-18 60632 Riverside Peninsular Ranges/Santa Ana Mtns, Santa Rosa Plateau: along seasonal stream in Cole Canyon, near entrance to the Nature Conservancy Reserve 534 Comment
  RSA544428  Eleocharis palustris Steve Boyd, Timothy S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6333 Riverside Skunk Hollow area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aquaduct. Comment
  SBBG101684  Eleocharis palustris S. Boyd, T. Ross, D. Zippin, T. Coerbauer 1991-6-14 6333 Riverside Skunk Hollow area, 2 mi E of Murrieta Hot Springs just W of Second San Diego Aqueduct Comment
  UCR169395  Eleocharis parishii T. B. Salvato, John F. Green 2004-5-27 605 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
  UCR195144  Elymus A. C. Sanders, Tim Thomas 2008-8-1 35938 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1448 Comment
  SD146093  Elymus elymoides Scott D. White 1997-5-18 5175 Riverside San Jacinto Mountains, Black Mountain Scenic Area, Black Mountain Trail between Highway 243 and Cinco Poses Trail junction 1700 Comment
  UCD61905  Elymus glaucus A. A. Beetle 1946-6-10 4389 Riverside San Jacinto Mt., San Jacinto Mts. 762 Comment
  UCR232774  Elymus glaucus William Schlegel, Andrew Troutte, Jordan Zylstra 2008-8-29 016 Riverside Peninsular Range; San Jacinto Mtns., Skunk Cabbage Meadow 2449 Comment
  HSC101780  Elymus hispidus J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13203 Riverside 1470 Comment
  CDA31736  Elymus trachycaulus S. Munhall 1957-7-18 Riverside Cleveland National Forest, high rocky ridge. 0 Comment
  SD178092  Elymus triticoides A. C. Sanders 2004-5-12 27874 Riverside Elsinore Basin Region; Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 377 Comment
  CLARK-A1528-2965  Emmenanthe penduliflora John C. Roos 1952-4-13 5534 Riverside Box Springs Mountains 396 Comment
  RSA401451A  Emmenanthe penduliflora Ora M. Clark 1929-3-16 1722 Riverside N. of Whitewater. Comment
  RSA500540  Emmenanthe penduliflora Steve Boyd, Tim Ross, L. Arnseth 1989-6-4 3612 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  RSA525694  Emmenanthe penduliflora Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4565 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  SFV12248  Emmenanthe penduliflora A. Harrison 1962-4-17 22 Riverside San Bernardino Mountains North of CA-60 on Whitewater Canyon Road, 0.25 miles south of trout farm where road crosses Whitewater River. 645 Comment
  UC1518629  Emmenanthe penduliflora Robert F. Thorne, Drs. Fosberg, Sachet, and Herbst 1983-4-23 55466 Riverside San Bernardino Mts.: Side-canyon on W side of Whitewater, ca 3.3 mi N of Whitewater Post Office 594 Comment
  UCR216026  Emmenanthe penduliflora Oleg Pryadko 2008-5-2 084 Riverside San Bernardino Valley Region, western Riverside near Pedley, Hidden Valley Wildlife Area, c. 1200 ft. south of Clay St. and General Road, 1000 ft. east of Van Buren Blvd., north bank of Santa Ana River 208 Comment
  POM356690  Encelia actoni Julian P. Donahue 1984-10-6 90405 Riverside Pinyon Crest, Pinyon Flat, between San Jacinto & Santa Rosa Mts. 1249 Comment
  RSA594004  Encelia actoni D. L. Banks, Elizabeth Hedge Banks 1996-5-2 0936 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along the broad alluvial benches just to the SE of the gate to the Preserve. 448 Comment
  UCR116782  Encelia actoni A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24166 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  LA31386  Encelia farinosa Jane Turner; Barbara Wlatreel, Virginia Sjaholm 1959-3-21 C 173 Riverside Morongo Wash Comment
  UC217945  Encelia farinosa P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4890 Riverside near Corn Springs; Colorado Desert, Chuckwalla Mountains 457 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
  CAS-BOT-BC131412  Encelia frutescens J. Von Loh 1978-1-23 3310 Riverside Palo Verde Mesa, 12 mi. SW. of Blythe 121 Comment
  SEINET4560237  Encelia frutescens J. Andre 2012-1 21367 Riverside Palen Valley; along Palen Pass Rd (dirt) 1.2 mi. east of Hwy 177 184 Comment
  UC895531  Encelia frutescens Alice Eastwood 1913-4-30 3121 Riverside Palm Springs Comment
  UC813669  Ephedra aspera I. W. Clokey 1935-4-17 6514 Riverside Cottonwood Springs Comment
  UC205579  Ephedra californica H. M. Hall 1919-3-25 Riverside Whitewater Wash Comment
  UC667358  Ephedra californica Annie Alexander and Louise Kellogg 1941-5-15 2183 a Riverside North base of Eagle Mountains 914 Comment
  CAS-BOT-BC81821  Ephedra nevadensis C. L. Hitchcock 1940-3-29 5868 Riverside Cottonwood Canyon ca. 100 yards east of Spring Comment
  SD193323  Epilobium brachycarpum A. C. Sanders, Kelly Volansky 2005-8-31 31579 Riverside Santa Rosa Plateau, hills west of headwaters of De Luz Creek; 0.5 mile north of Tenaja Rd. 671 Comment
  CAS-BOT-BC171735  Epilobium canum subsp. latifolium Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  RSA609931  Epilobium canum subsp. latifolium R. S. Woglum 1937-11-20 1208 Riverside Peninsular Ranges: Santa Rosa Mountains. Comment
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Dec 9 2014
  POM3143  Epilobium ciliatum subsp. ciliatum I. M. Johnston 1917-12-1 s.n. Riverside Santa Ana River, NW of Corona. 183 Comment
  RSA588342  Epilobium ciliatum subsp. ciliatum N. C. Cooper 1944-5-6 1176 Riverside Whitewater Canyon. 457 Comment
  SBBG60174  Epilobium ciliatum subsp. ciliatum R. Hoffmann 1929-9-5 Riverside Tahquitz Valley 2438 Comment
  SBBG94827  Epilobium densiflorum E. LaRue 1989-7-13 Riverside Santa Rosa Plateau, N side of Tenaja Rd where De Luz Crk crosses rd, NW of Mesa de Colorado Comment
  POM265817  Epilobium oregonense J. C. Roos 1937-8-18 2528 Riverside Round Valley, San Jacinto Mountains. 2744 Comment
  CLARK-A1528-3378  Epipactis gigantea John C. Roos 1948-5-29 3870 Riverside Whitewater Canyon Comment
  IRVC1251  Equisetum laevigatum R. H. Whittaker, W. A. Niering 1963-6-6 SJ 259 Riverside San Jacinto Ridge Road (5509) N Fork San Jacinto River. Peninsular Ranges, San Jacinto Mountains 1311 Comment
  RSA28057  Eremalche exilis I. L. Wiggins 1941-3-27 9685 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  UCR134603  Eremalche exilis Marisa Sripracha, Kyle Boyd 2004-2-14 026 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 Comment
  UCR50915  Eremalche exilis D. E. Bramlet 1988-4-27 s.n. Riverside San Jacinto Valley, Hemet area, 0.25 mi. east of the intersection of Gibbel and State Streets. Comment
  POM49756  Eremalche rotundifolia Marcus E. Jones 1906-4-30 s.n. Riverside Indio. Comment
  POM319078  Eremocarpus setiger Patricia Wilder 1971-9-29 5261 Riverside Base of the San Jacinto Mountains, east of Hemet on north side of Valle Vista at north end of Fairview Street, north of Florida Street; at boundary of Soboba Indian Reservation. 518 Comment
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Mar 27 2011
  UC1186516  Eremothera boothii subsp. condensata E. G. Linsley and J. W. MacSwain 1960-3-2 60 -4 Riverside twenty mi e Desert Center Comment
  UCD118286  Eriastrum densifolium Mitch Provance; Kerry Knudsen, Petra Wester 2004-5-8 9001 Riverside Santa Rosa Mountains: Along Hwy 74 on the Santa Rosa Mountain Grade, ca. 0.8-0.5 mile NE of Black Hills. 854 Comment
  SD3841  Eriastrum densifolium subsp. austromontanum F. Youngberg 1933-8-28 Riverside Near Camp Emerson, Boy Scout camp; Idyllwild. Comment
  UC909037  Eriastrum densifolium subsp. austromontanum John Thomas Howell 1927-8-2 2908 Riverside between Banning and Strawberry Valley; Mt. San Jacinto Comment
  UCR126200  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1993-7-16 138 Riverside San Jacinto Mtns., Hwy 371, 4.5 km south of Hwy 74, south side of road, in sandy bottom of Hamilton Wash 1268 Comment
  SEINET4344934 Image available Eriastrum diffusum Orr Michael 2013-1 Riverside Palen/McCoy Wilderness area, off Midland rd, about 3 mi S of Rice Comment
  UCSB6924  Eriastrum eremicum Haller, Norman 1953-5-24 Riverside 11 miles S of Palm Springs Indio Rd., on Highway 74, Palms to Pine Highway 914 Comment
  SD48054  Eriastrum eremicum subsp. eremicum John Ingram 1955-4-18 214 Riverside Along U. S. Highway 99, 0.25 mile west of the junction with the road to Twenty-nine Palms. Comment
  RSA0120076  Eriastrum eremicum subsp. eremicum Albert J. Perkins 1916-4-15 s.n. Riverside Palm Springs. Comment
  RSA0118097  Eriastrum sapphirinum subsp. brevibracteatum Sarah DeGroot, Kristin Forgrave 2013-6-4 7010 Riverside Off Rouse Hill Road, Forest Route 5S15, ~0.9 miles from Highway 74. In canyon below road. 598 Comment
  RSA0121563  Eriastrum sapphirinum subsp. dasyanthum Scott D. White, Tasha La Doux 2000-6-3 7998 Riverside S of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  SD187456  Eriastrum sapphirinum subsp. dasyanthum Scott D. White, Angelia Carey 2004-5-7 10321 Riverside San Jacinto Mountain foothills; Indian Creek and adjacent foothills. 548 Comment
  CDA23784  Ericameria brachylepis Mike Lahti 2008-10-21 PDR# 1509234 Riverside Temecula, 46062 Vista Del Mar at Los Gatos. 0 Comment
  RSA524241  Ericameria brachylepis Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4128 Riverside Vail Lake area, E flank of 'Big' Oak Mtn, S of E summit. 610 Comment
  JOTR32192  Ericameria cooperi var. cooperi Herskovits, Tasya, M. Harding 2011-5-20 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; Ryan Mountain; Rocky slopes bordering Ryan Mountain Trail (Stop 2) 1524 Comment
  JEPS31355  Ericameria linearifolia W. L. Jepson 1901-5-20 1330 Riverside Thomas Valley Mt. San Jacinto Range, Thomas Valley Comment
  SD229090  Ericameria nauseosa var. bernardina Dick Schwenkmeyer 2012-8-7 778 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  CAS-BOT-BC299528  Ericameria palmeri var. pachylepis H. M. Hall 1927-10-23 12299 Riverside Murietta Comment
  UC55172  Ericameria palmeri var. pachylepis E. A. Zumbro 1902-10-1 361 Riverside Comment
  CAS-BOT-BC131641  Ericameria parishii var. parishii Edmund C. Jaeger 1922-8-20 1004 Riverside Long Valley - Palm Springs trail, San Jacinto Mts. 1524 Comment
  POM306139  Erigeron divergens Henry J. Ramsey, Henry J. Ramsey 1937-5-30 1330 Riverside Santa Rosa Mountains. Comment
  UCR3235  Erigeron foliosus var. foliosus John Kitasako 1964-5-18 45277 Riverside Box Springs Mtns, Stone-face Canyon, side of reservoir at end of Two Trees Rd. 549 Comment
  POM49718  Eriodictyon crassifolium H. M. Hall 1901-06 s.n. Riverside Western fase, San Jacinto Mts, Riverside County. Comment
  RSA160530  Eriodictyon crassifolium John Olmsted 1958-6-15 191 Riverside N Fork San Jacinto River 1 mile NE of intersection with Main Fork of Hemet-Idyllwild Road, San Jacinto Mts, Alt 2300ft. 701 Comment
  RSA191998  Eriodictyon crassifolium E. W. Lathrop 1959-4-17 4486 Riverside 14 miles west of Murrieta. Tenaja Plateau. West slope of Redonda Mesa. Comment
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Apr 28 2011
  UC107133  Eriodictyon trichocalyx var. trichocalyx T. S. Brandegee 1902-5-14 Riverside Banning Comment
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Mar 13 2011
  CAS-BOT-BC242786  Eriogonum davidsonii James L. Reveal; Caroline G. Reveal 1972-8-9 2862 Riverside San Jacinto Mountains, along California Highway 243, at the turnoff to Fern Basin, opposite Alandale Ranger Station, about 5.5 miles north-northwest of Idyllwild Comment
  RSA797605  Eriogonum davidsonii Robert F. Thorne, Walter Wisura 1977-9-17 50767 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  SBBG1441  Eriogonum davidsonii H. and M. Dearing 1940-6-8 4344 Riverside Box Cyn, near Mecca Comment
  UCR258753  Eriogonum elongatum T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7911 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 0.6 mi north of Hwy 15 and Temescal Canyon 476 Comment
  VVC409  Eriogonum fasciculatum P. J. MacKay 1975-6-1 s.n. Riverside Cismontane S Cal, Chino vic Euclid Ave bordering a channel from Prado Dam 159 Comment
  RSA339070  Eriogonum fasciculatum var. polifolium Robert F. Thorne, C. W. Tilforth 1980-5-28 54214 b Riverside Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 610 Comment
  RSA771743  Eriogonum fasciculatum var. polifolium Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4759 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 W116.65119. 604 Comment
  UC1329836  Eriogonum fasciculatum var. polifolium James E. Cole 1941-5-21 765 Riverside Quartz Outcrop Joshua Tree National Monument, Quartz Outcrop 914 Comment
  SEINET11937962  Eriogonum fasciculatum var. polifolium M. T. Doutt 1931-1 773 Riverside Chino Canyon, Palm Springs Comment
  RSA0106806  Eriogonum gracile Jeremiah George 2012-5-17 s.n. Riverside Beaumont Bench, north slope facing San Timoteo Creek, north of Hwy 60 and south of Oak Valley Parkway, E of Potrero Blvd. 747 Comment
  UCR107227  Eriogonum gracile Steve Boyd, L. Arnseth, T. S. Ross 1989-6-10 3660 Riverside Vail Lake area, Temecula Creek Canyon below the dam 459 Comment
  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
  UCSB18617  Eriogonum inflatum Winn, Will 1963-2-23 Riverside top of dike at Avenue 56 and All American Canal; Coachella Valley 6 Comment
  UCR18179  Eriogonum maculatum A. C. Sanders 1978-4-30 554 Riverside Santa Rosa Mtns, Pinyon Flat area; at the dolomite mine at the west end of the Cactus Springs Trail 1189 Comment
  CAS-BOT-BC269781  Eriogonum nudum var. pauciflorum F. Grinnell Jr. 1908-7-1 s.n. Riverside Tahquitz Valley 2438 Comment
  RSA553951  Eriogonum nudum var. pauciflorum G. R. Ballmer 1991-8-11 s.n. Riverside Santa Rosa Mountains, Santa Rosa Mountain Rd (Truck Trail going up Santa Rosa Mountain), ca. 8 mi. SE of the junction with Hwy 74. West of Deep Canyon. Comment
  POM294037  Eriogonum pusillum Lyman Benson 1945-3-29 11622 Riverside Canyon on Palm Springs Road, Colorado Desert, Little San Bernardino Mountain. 610 Comment
  CAS-BOT-BC263523  Eriogonum thomasii John H. Thomas 1957-3-30 6549 Riverside 8.1 miles east of Cactus City, about 20 miles east of Coachella, Colorado Desert 426 Comment
  JEPS56249  Eriogonum thomasii J. Ewan 1930-4-18 3044 Riverside 3 mi e on road into Big Morongo Painted Hill 304 Comment
  RSA727868  Eriogonum thomasii Naomi Fraga, Lisa Rojas 2005-2-10 1354 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCR196356  Eriogonum thomasii Naomi Fraga, Lisa Rojas 2005-2-10 1354 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  UCR40591  Eriogonum thomasii George K. Helmkamp 1983-4-5 483- 34 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  UCR118213  Eriogonum thurberi Mitch Provance 1999-5-4 1694 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR3812  Eriogonum trichopes Frank C. Vasek 1964-4-12 640412- 05 Riverside Sonoran (Colorado) Desert, 29 Palms Road, 2.9 mi south of San Bernardino Co line, 1.5 mi from the junction with Rice Road Comment
  CAS-BOT-BC264926  Eriogonum wrightii var. membranaceum P. A. Munz 1941-10-1 17235 Riverside Dosa Palmos Springn north base of Santa Rosa Mts. Comment
  RSA420614  Eriogonum wrightii var. membranaceum Albert J. Perkins 1916-9-1 s.n. Riverside Idyllwild. Comment
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Mar 21 2011
  UCR281864  Eriogonum wrightii var. nodosum A. C. Sanders, Jim Malusa 2017-9-19 43337 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, canyon 5 km SW (214 deg. ) of Tabaseca Tank 767 Comment
  POM357895  Eriophyllum ambiguum var. paleaceum Emery M. Whilton 1937-4-23 s.n. Riverside Taken on the crest of the San Jacinto Mtns. Comment
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Dec 18 2011
  RSA129769  Eriophyllum ambiguum var. paleaceum H. S. Yates 1937-3-24 6457 Riverside Deep Canyon, Thermal. 610 Comment
  RSA92916  Eriophyllum ambiguum var. paleaceum F. W. Peirson 1919-4-13 1372 Riverside Tahquitz Canyon, near Palm Springs. Comment
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Sep 18 2011
  CAS-BOT-BC297350  Eriophyllum confertiflorum Steve Boyd; et al. 1988-5-28 2282 Riverside Cahuilla Mt, W of Anza 1700 Comment
  SDSU4085  Eriophyllum confertiflorum H. Wedberg 1962-5-23 946 Riverside 4.8 miles from Hwy 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
  UCR231808  Eriophyllum confertiflorum Brent Barnes, A. C. Sanders, Giles Waines, UCR Plant Taxonomy Class 2007-5-12 15 Riverside Peninsular Range; San Jacinto Mtns., dirt forest service road north of Poppet Flats, west of Hwy 243 1253 Comment
  LA34815  Eriophyllum confertiflorum var. confertiflorum Mary V. Hood; 1945-3-25 45- 1 k* Riverside Aguanga 587 Comment
  UC495188  Eriophyllum confertiflorum var. confertiflorum P. A. Munz 1932-4-24 12391 Riverside along canyon bottom Snow Creek Canyon; San Jacinto Mts., Snow Creek Canyon 457 Comment
  POM305809  Eriophyllum multicaule Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1050 Riverside Elsinore. Comment
  POM294262  Eriophyllum wallacei Lyman Benson 1945-3-29 11642 Riverside 2 miles south of Whitewater. 366 Comment
  POM358164  Eriophyllum wallacei Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  RSA801742  Erodium D. M. McF 1952-9-9 s.n. Riverside Red Mtn. Southeast Hemet. Comment
  RSA0108943  Erodium cicutarium Duncan S. Bell, Amanda Bell 2012-1-28 3067 Riverside East side of the Arica Mountains; collecting in Rice Valley, approximately 6 air miles southeast of the ghost town of Rice. 202 Comment
  UC1536994  Erodium moschatum Gordon H. True 1935-3-11 69 Riverside Box Springs Sycamore Canyon 365 Comment
  UC1034736  Erysimum capitatum G. B. Rossbach 1955-4-22 584 Riverside Juniper Flat Little San Bernardino Mountains (n side of mts) 1432 Comment
  UC1034748  Erysimum capitatum G. B. Rossbach 1955-4-28 585 Riverside on Route 74 2 mi e Santa Rosa summit (nw end of mts); Santa Rosa Mts. 1502 Comment
  SD136749  Erythranthe cardinalis Steve Boyd, T. Ross, D. Bramlet 1992-9-9 7679 Riverside San mateo Canyon Wilderness Area. Along stream, Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek, up the San Mateo Trail north to Potrero de la Cienega 1299 Comment
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Jul 15 2012
  RSA0020087  Erythranthe floribunda Scott D. White, Julie Greene 1998-8-1 6961 Riverside Idyllwild Area: Roadside uplands and meadows within residential community above/parallel to E bank of Strawberry Creek between crossing at Circle Drive and Humber Park. 1829 Comment
  RSA0020244  Erythranthe floribunda Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 637 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA0019306  Erythranthe guttata Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 638 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SEINET14046349 Image available Erythranthe guttata N. H. Holmgren, Liew Fah Seong 1969-1 3582 Riverside San Jacinto Mountains, country road R1, at Black Mountain turn-off, 8.5 miles north of Idyllewild Comment
  POM9229  Eschscholzia californica var. peninsularis I. M. Johnston 1920-5-8 2271 Riverside Jurupa Mts, extreme west end. between Riverside and Ontario. Comment
  CAS-BOT-BC83129  Eschscholzia minutiflora Carl B. Wolf 1932-4-26 2975 Riverside Colorado Desert. 5 miles east of Mecca, on Blythe Road. 30 Comment
  CAS-BOT-BC419608  Eschscholzia parishii L. A. Greata 1905-4-1 424 Riverside Coachella Comment
  CAS-BOT-BC419636  Eschscholzia parishii Ira L. Wiggins 1937-3-9 8749 Riverside 1 mi. below Chuckawalla [Chuckwalla] Spring, Chuckawalla [Chuckwalla] Mts. 528 Comment
  CHSC26411  Eschscholzia parishii John Collins 1970-5-9 211 Riverside Ca. 10 miles NNE of Indio, 1.5 miles into Berdoo Canyon on Berdoo Cyn. Rd. in Little San Bernardino Mtns. 670 Comment
  GMDRC3547  Eschscholzia parishii J. Andre, T. La Doux 2009-2-25 10804 Riverside Chuckwalla Mountains: growing on rocky (granitic) north-facing slope, approx 0.5 mi. south of I-10 freeway at Eagle Mtn Rd exit, USGS 7.5 min. Quad: Desert Center 33 deg. 41.303' N 115 deg. 27.236' W. Elev. 1358 ft. 414 Comment
  OBI11742  Eschscholzia parishii Philip A. Munz 1949-4-13 13056 Riverside Above Cottonwood Springs, W end of Eagle Mts, Colorado Desert 1143 Comment
  RSA767449  Eschscholzia parishii Jim Andre, Tasha La Doux 2009-3-10 11234 Riverside Joshua Tree National Park: south end of the Cottonwood Mountains near Pinkham Wash just north of aqueduct just inside National Park boundary, approx. 7 miles west of south entrance into park at Cottonwood. 542 Comment
  SEINET7048054  Eschscholzia parishii Steven R. Hill 2001-4-29 33529 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
  UCR41840  Eschscholzia parishii A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6061 Riverside Sonoran (Colorado) Desert, Graham Pass, between Chuckwalla Mtns & Little Chuckwalla Mtns. 503 Comment
  RSA776842  Eschscholzia parishii Amber Swanson, Duncan S. Bell 2011-3-18 227 Riverside Above wash about 3 airmiles SE of Desert Center Nof the Chuckwalla Mtns 384 Comment
  UC403435  Escobaria vivipara var. alversonii Marcus E. Jones 1926-4 Riverside e Shaver's Well; Colorado Desert Comment
  UC403443  Escobaria vivipara var. alversonii Munz and Keck 1922-4-13 5015 Riverside Anshutz Canyon Colorado Desert, Eagle Mts. Comment
  RSA713796  Eucalyptus J. Lyman 1989-2-9 89 -2 Riverside Lakeview, Pressman property in the Bernasconi Hills, just S of the Ramona Expressway, S of Lake Perris and N of Nuevo. Comment
  UCR199790  Eucalyptus tereticornis Scott D. White, Justin M. Wood 2008-6-24 12282 Riverside Beaumont Badlands, San Timoteo Canyon, meadow along San Timoteo Creek 671 Comment
  RSA496136  Eucrypta chrysanthemifolia Steve Boyd, Tim Ross, L. Arnseth 1989-3-19 3022 Riverside Vail Lake area,1 mile W of Lake 610 Comment
  VVC258  Eucrypta chrysanthemifolia A. C. Sanders, J. Mac 1997-5-4 20700 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek drainage, dry slopes above Brown Creek. 915 Comment
  POM47495  Eucrypta micrantha Mary F. Spencer 1920-3-27 1595 Riverside Palm Springs. 122 Comment
  UCR51984  Eucrypta micrantha Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2175 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  UCD107067  Eulobus californicus Dan Axelrod 1932-3-23 s.n. Riverside Palm Springs. Comment
  CAS-BOT-BC206921  Euonymus occidentalis C. Epling; Wm. Robison 1935-6-30 s.n. Riverside North Fork San Jacinto River Comment
  RSA736103  Euphorbia L. C. Wheeler 1952-4-6 6852 Riverside Box Canyon. Comment
  UCR232028  Euphorbia albomarginata John F. Green 2008-4-15 0408- 02 Riverside Peninsular Range; Perris-Aguanga Valley, Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave., east of Day St. 523 Comment
  JEPS2595 Image available Euphorbia eremica W. L. Jepson 1914-5-23 6047 Riverside Conchilla Desert Colorado Desert 60 Comment
  UCR242718  Euphorbia micromera A. C. Sanders, T. B. Salvato 2012-10-12 40435 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Wileys Well Rd. c. 3 miles north of Wileys Well/ Bradshaw Trail 155 Comment
  UCR256713  Euphorbia ocellata var. arenicola Duncan S. Bell 2012-2-12 3111 Riverside Mojave Desert, Mecca Hills, c. 1.25 air miles north of Box Canyon Road, and c. 4 air miles southwest of Shavers Well 256 Comment
  UCR159143  Euphorbia ophthalmica A. C. Sanders, G. K. Helmkamp 1996-3-17 17979 Riverside Coachella Valley, Palm Springs, shopping center at SE corner of Raquet Club Dr. and Palm Canyon Dr. 189 Comment
  UCR213504  Euphorbia polycarpa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37810 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, under powerlines near dirt extension of Lake St., 1.1 mi. NW (356 deg. ) of intersection of I-15 and Lake St. 549 Comment
  UCR72198  Euphorbia polycarpa Theo Glenn 1991-5-20 91- 97 Riverside Sonoran (Colorado) Desert, Arica Mts, SW of Rice 320 Comment
  POM259945  Euphorbia polycarpa var. hirtella P. A. Munz 1940-2-23 15672 Riverside Base of Pinto Mts., road Dale to Cottonwood Springs. 610 Comment
  POM87508  Euphorbia polycarpa var. hirtella Marcus E. Jones 1906-4-27 s.n. Riverside Palm Springs. Comment
  RSA0015426  Euphorbia polycarpa var. polycarpa Marcus E. Jones 1929-9-16 2487 a Riverside Hayfield, Near Desert Center. Colorado Desert. Comment
  SEINET524441  Euphorbia spathulata R. Thorne 1973-5-23 43862 Riverside Santa Rosa platueau-mesa de colorado 610 Comment
  RSA737217  Eustoma exaltatum Justin M. Wood 2008-9-30 173 Riverside Southwest Perris Basin: Temecula - Murrieta Creek, downstream of first street bridge. 293 Comment
  POM87260  Fagonia laevis Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  RSA708488  Fagonia laevis Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10896 Riverside Eastern Coachella Valley. Bajada beneath Mecca Hills, just east of Coachella Canal. 24 Comment
  SJSU4939  Fagonia laevis J. A. Schroeder 1969-4-1 8 Riverside 10 mi N of Blythe Comment
  UCR72179  Fagonia laevis Theo Glenn 1991-5-15 91- 39 Riverside Sonoran (Colorado) Desert, Little Maria Mountains, NW of Blythe 351 Comment
  JOTR31894  Fagonia pachyacantha La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2144 Riverside Joshua Tree National Park. West Cottonwood Mountains; east edge of Pinkham Wash east of Pinkham Canyon Road; loose, cobbley, south facing slope above large drainage Comment
  UCD111851  Fatoua villosa A. C. Sanders 2004-8-10 28766 Riverside Perris-Aguanga Region. 3 miles ENE of Perris, new nursery growing grounds W of Menifee Road. (=Pozos Av.) and S of Nuevo Road, between San Jacinto River and Nuevo. 432 Comment
  UCR20466  Festuca microstachys John C. Roos 1952-4-9 5481 Riverside Hill by Fairmont Park, Riverside 259 Comment
  UCR67398  Festuca myuros A. C. Sanders, E. Rey, D. Willick 1991-4-19 10921 Riverside Edgemont area, east of Sycamore Canyon. 0.8 mile west of Hwy I-215, on Eastridge Dr. (=Eucalyptus), just west of Pepsi Plant 466 Comment
  GMDRC6590  Festuca perennis J. M. Andre 2012-6-15 30554 Riverside San Jacinto Mountains: west slopes of range along Poppet Flat Rd, Poppet Creek canyon, 3.2 mi. west of Hwy 243 1022 Comment
  RSA500099  Filago arizonica Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3211 Riverside Vail Lake Area, W end of bench on S flank of Oak Mt. 518 Comment
  RSA736575  Filago arizonica Keith E. Hoffmaster 1935-3-31 571 Riverside Palm Springs. Comment
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Aug 27 2011
  CLARK-A1528-217  Filago californica Oscar F. Clarke 1952-4-17 Riverside Riverside 396 Comment
  RSA519123  Filago californica N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 175 Riverside Oasis de Los Osos Preserve, off Snow Creek Canyon at the N ft of the San Jacinto Mountains, 1 mi W of Snow Creek Village. 488 Comment
  RSA561818  Filago californica Steve Boyd 1992-4-14 6824 Riverside San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail 341 Comment
  RSA793593  Filago californica R. F. Thorne 1995-3-29 63036 Riverside White Water Canyon 600 Comment
  UCR104922  Filago californica A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20662 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
  UCR174567  Filago californica Jennifer H. Jones, Janine Amaya and Thi (Teresa) Bui 2006-5-21 310 Riverside Peninsular Ranges: Box Springs Mtns., Box Springs Mountain Reserve. First trail on the left beyond the parking lot along the service road 793 Comment
  UCR166299  Filago depressa A. C. Sanders, P. J. MacKay, Tim Thomas, G. K. Helmkamp 1997-2-8 19675 Riverside Colorado Desert/San Jacinto Mtns, Palm Springs, Indian Avenue at Las Vegas Road, below mouth of Chino Canyon 188 Comment
  UCR196305  Filago depressa R. F. Thorne, M. Z. Thorne 1973-3-30 42686 Riverside Sonoran (Colorado) Desert, Morongo Valley Canyon, near mouth at junction of roads to Morongo Valley and Desert Hot Springs; [vicinity of Hwy 62 crossing of Mission Creek] 488 Comment
  RSA500099C  Filago gallica Steve Boyd, Tim Ross, L. Arnseth 1989-4-2 3211 Riverside Vail Lake Area, W end of bench on S flank of Oak Mt. 518 Comment
  UCR22160  Filago gallica Steve Boyd 1980-6-2 309 Riverside Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau 640 Comment
  UCR154447  Forestiera pubescens A. C. Sanders, Mike Misenhelter 2005-6-15 30958 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
  UCR263412  Fouquieria splendens Aaron C. Sedgwick, Brett Griffin 2012-3-28 036 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road. c. 6 miles south of Hwy I-10 323 Comment
  SD229246  Frangula californica subsp. cuspidata Dick Schwenkmeyer 2012-4-17 693 Riverside Mt. San Jacinto: Vista Grande, 2 miles south of U.S. Forestry station on Highway 243 north of Idyllwild 1618 Comment
  SBBG50235  Frankenia salina A. C. Sanders with K. Knudsen, T. B. Salvato 2004-5-18 27896 Riverside Temescal Crk in Walker Cyn, at foot of Alberhill Mtn 378 Comment
  SEINET1004423  Frankenia salina A. C. Sanders 2004-1 28379 Riverside Perris-Aguanga Surface/Menifee Valley Region; Paloma Valley, ca. 1.5 mile NW of the 'Menifee-Antelope Community Hall', 0.6 mi e of Murrieta Rd. near the NW foot of a large rocky hill (1762 ft.) and ca. 5 miles due south of Sun city 457 Comment
  CLARK-A1528-1039  Fraxinus dipetala C. M. Flanagan 1973-4-26 OO 310 Riverside Morongo Indian Reservation Comment
  CLARK-A1528-1040  Fraxinus dipetala Joyce Davis 1965-3-16 12 Riverside Tin Mine Canyon 304 Comment
  UC1929297  Fraxinus dipetala Scott D. White, Justin Wood 2008-5-12 11946 Riverside Beaumont- NE point of the Beaumont Badlands, N of Mt. Davis. 793 Comment
  SBBG119112  Fraxinus uhdei A. C. Sanders, T. B. Salvato 2003-5-21 26806 Riverside Wildomar, old ranch parcel SE of Wesley St and SW of Laguna Rd, W of Orange St, NE of Palomar St 402 Comment
  UCR252994  Fraxinus uhdei Fred T. Sproul, Julia Groebner 2014-7-21 6007 Riverside Santa Ana River at Norco 169 Comment
  RSA655603  Fraxinus velutina Mitch Provance 2000-4-8 s.n. Riverside Jurupa Mountains: Bloomington/Crestmore, ca. 100 yards NE of the corner of Cedar Ave. and El Rivino Rd., and along the W side of the El Rivino Country Club. 293 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
  POM161614  Fumaria parviflora M. French Gilman 1929-04 s.n. Riverside Banning. Comment
  RSA70346  Funastrum cynanchoides var. hartwegii F. W. Peirson 1925-5-20 6010 Riverside Aguanga. 610 Comment
  RSA778110  Funastrum hirtellum Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 927 Riverside East Mojave Desert region: McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 335 Comment
  LA208395  Galium andrewsii Robert G. Engman; sn Riverside San Jacinto Mountains, San Jacinto Mts Comment
  RSA673471  Galium angustifolium Scott D. White, Tasha La Doux 2000-4-20 7716 Riverside South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills. 610 Comment
  POM46851  Galium angustifolium subsp. angustifolium Charlotte M. Wilder 1904-6-11 111 A Riverside Wilders Canyon; Jurupa Hills near Riverside. Comment
  POM50549  Galium angustifolium subsp. angustifolium H. M. Hall 1901-07 2509 Riverside In the vicinity of Strawberry Valley. 1585 Comment
  RSA544390  Galium angustifolium subsp. angustifolium Steve D. Boyd, Tim S. Ross 1991-6-14 6404 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Springs. Comment
  RSA720450  Galium angustifolium subsp. angustifolium Naomi S. Fraga, Bryan Carey 2006-6-1 1690 Riverside Near Morris creek on a 4W drive trail, ca. 1/2 mile SW of Tripp Meadow. 1585 Comment
  UC597724  Galium angustifolium subsp. angustifolium Philip A. Munz 1937-5-30 15127 Riverside northern end of mts Santa Rosa Mts., Dos Palmos Spring 1097 Comment
  SD225096  Galium aparine Scott D. White 1996-4-20 3953 Riverside SW of Perris: Hillside S of the San Jacinto River Channel. 487 Comment
  UCD121722  Galium aparine B. Pitzer 1987-4-11 478 Riverside West of Murrieta at Santa Rosa Plateau Preserve, Mesa de Colorado. 609 Comment
  JEPS52917  Galium californicum subsp. primum Lauramay T. Dempster and G. L. Stebbins 1966-6-17 4237 1/2 Riverside Chimney Flat (old control) road below Alvin Meadows; San Jacinto Mts., Chimney Flat (old control) road 1402 Comment
  RSA701506  Galium californicum subsp. primum Naomi S. Fraga, Sarah J. De Groot 2004-7-8 1301 Riverside On Chimney Flats Road (5S06) near intersection of 5S04 (the road to Alvin Meadows). 1524 Comment
  POM284281  Galium porrigens Lyman D. Benson 1932-3-26 3179 Riverside Temecula Grade. Temecula Valley. 549 Comment
  JEPS52943  Galium porrigens var. porrigens Lauramay T. Dempster and G. L. Stebbins 1966-6-17 4240 Riverside Poppet Flat San Jacinto Mts. (at Keyes Drive) 1097 Comment
  RSA0051333  Galium porrigens var. porrigens Valerie Soza, Steve Boyd 2004-6-22 1728 Riverside San Jacinto Mountains, Forest Service Rd 5S13. 1463 Comment
  POM367819  Galium stellatum M. B. Dunkle 1937-3-25 4928 Riverside Colorado Desert. Shaver's Well Comment
  RSA221006  Garrya veatchii E. W. Lathrop 1966-4-20 6191 Riverside Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  UC303652  Garrya veatchii S. B. Parish 1918-4-3 11697 Riverside San Jacinto River Canyon; Oak Lodge 914 Comment
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Nov 20 2011
  UCR116585  Gaura sinuata A. C. Sanders, T. B. Salvato 2001-5-24 24364 Riverside Perris-Aguanga Basin, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. [Calle] Pina Colada 345 Comment
  POM358672  Geraea canescens M. B. Dunkle 1932-3-25 2917 Riverside 10 miles NW of Indio. Comment
  UCR245951  Geraea canescens Duncan S. Bell 2009-3-7 12 Riverside Arica Mountains, east side of range, c. 1.7 miles west of Priest Well 431 Comment
  UC64176  Geranium californicum H. M. Hall Jul 1897 7221 Riverside Tauquitz Valley San Jacinto Mountains 2438 Comment
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Mar 12 2011
  RSA0103445  Gilia Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8563 Riverside Garner Valley; west side of the highway, approximately 3.75 air miles southeast of Lake Hemet. 1370 Comment
  RSA80974  Gilia angelensis G. R. Campbell 1952-4-6 18422 Riverside 3 miles east of Lake Matthews. 488 Comment
  SEINET3087627 Image available Gilia angelensis J. Hirshberg 1989-3-22 Riverside Santa Rosa Plateau, S of Murrieta; small mesa just W of MEsa de Burro & Tenaja Road. Comment
  UCR214546  Gilia angelensis A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37859 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.8 mi. north (09 deg. ) of intersection of I-15 and Lake St. 482 Comment
  UCR50078  Gilia australis N. M. Fellows, A. C. Sanders 1985-4-9 134 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  UCR16729  Gilia capitata J. N. Bullock 1970-5-18 P 33 Riverside Fifty meters east of Maitri Rd at a spot 200 m south of the junction of Maitri Rd and Calif. Hwy 71. 341 Comment
  RSA470223  Gilia capitata subsp. abrotanifolia Anstruther Davidson s.n. Riverside Between Shaver's Well and Desert Center. Comment
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Sep 20 2011
  RSA741207  Gilia capitata subsp. abrotanifolia Scott D. White, Justin M. Wood 2008-5-15 11960 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. 1357 Comment
  HSC16999  Gilia caruifolia R. A. Eagle 1964-3-28 4 Riverside 3 mi. out of Banning on Hwy. 395 Comment
  JEPS4116  Gilia diegensis W. L. Jepson 1901-5-19 1311 Riverside Strawberry Valley , Strawberry Valley (Mt. San Jacinto) Comment
  RSA72319  Gilia diegensis F. W. Peirson 1917-4-1 925 Riverside Along south edge of Colorado Desert embayment east of Palm Springs, above ''Garden of Eden'. Comment
  UCR165818  Gilia latifolia John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  UC23897 Image available Gilia maculata W. G. Wright 1890-3-1 1820 Riverside Colorado Desert Comment
  UCR169782  Gilia minor Scott D. White, Jennifer H. Jones 2005-5-24 10913 B Riverside Banning Pass area, Cabazon: San Gorgonio River wash and adjacent alluvial flats and benches to W 610 Comment
  CAS-BOT-BC407608  Gilia ochroleuca subsp. exilis Blanche Trask 1904-11-1 191 Riverside Santa Rosa Mts.; Sta. Rosa Pk Comment
  RSA0017100  Gilia ochroleuca subsp. exilis H. M. Hall 1897-05 304 Riverside Hemet Valley. 1372 Comment
  RSA0017275  Gilia ochroleuca subsp. exilis F. W. Peirson 1938-5-30 12413 Riverside Thomas Mountain, Hemet Valley. 1402 Comment
  RSA0017292  Gilia ochroleuca subsp. exilis Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1068 Riverside Corona-Elsinore. Comment
  RSA67645  Gilia sinuata Verne Grant, Alva Grant 1960-4-9 8838 Riverside Pass between Whitewater and Morongo Valley, 0.4 mile S of San Bernardino Co. line Comment
  CAS-BOT-BC266504  Githopsis diffusa John Thomas Howell 1931-5-30 6593 Riverside Santiago Peak Trail, Santa Ana Mountains Comment
  POM318595  Gnaphalium californicum Patricia Wilder 1971-5-13 4940 Riverside Prado Flood Control Basin at base of Prado Dam on small rise, Drainage area Santa Ana River, Flood Plain 152 Comment
  RSA33831  Gnaphalium californicum N. C. Cooper 1944-6-4 1367 Riverside Elsinore Mountain; Lookout at top. 1066 Comment
  UCR151974  Gnaphalium californicum Steve Boyd, Aydee Virgen 2004-4-13 10845 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  UCR34923  Gnaphalium stramineum L. B. Ziegler 1968-7-17 331 Riverside San Jacinto Mtns, Hemet Valley. On shore of Lake Hemet, c. 50 ft. from waters edge 1357 Comment
  RSA0112993  Gnaphalium thermale P. A. Munz, I. M. Johnston 1924-7-28 8807 Riverside Pine Flats, San Jacinto Mts. [original label says San Diego Co.] 1738 Comment
  JEPS102920  Gossypium armourianum Dick Persoff 1995-3-15 Riverside Palm Springs, ca. 1.5 mi S of jct of East Palm Canyon and South Palm Canyon Comment
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Sep 10 2008
  RSA478799  Grayia spinosa C. Cunningham 1941-2-8 s.n. Riverside Whitewater. 305 Comment
  UC581332  Guilleminea densa var. aggregata Noel Walker 1936-8-14 Riverside Riverside, Pachappa Station Pachappa Station; Riverside, Pachappa Station Comment
  RSA614287  Guillenia lasiophylla D. L. Banks, V. W. Steinmann 1997-3-13 1521 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
  UC56733  Guillenia lasiophylla H. M. Hall 1902-4-7 2759 Riverside vicinity Winchester 457 Comment
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Mar 20 2011
  RSA717577  Gutierrezia californica A. C. Sanders 2004-5-11 27847 Riverside Elsinore Basin Region: Alberhill Mountain, ridgetop overlooking Walker Canyon and I-15 Fwy 488 Comment
  UC55119  Gutierrezia californica H. M. Hall Apr 1903 3799 Riverside vicinity Riverside 396 Comment
  UCR4210  Gutierrezia californica K. S. Gill 1965-3-14 s.n. Riverside hillside towards Agricultural Extension Buildings on UC Riverside campus. 244 Comment
  UCR91875  Gutierrezia sarothrae A. C. Sanders, G. K. Helmkamp, L. Lubinsky, C. L. Sanders 1995-1-29 15901 Riverside San Jacinto Mtns/Colorado Desert, Chino Canyon near Palm Springs, 1.8 mi above Palm Canyon Rd (Hwy111) on the rd to the tram station, vicinity of the upper end of the flood control dike 428 Comment
  CLARK-A1528-1904  Haplopappus squarrosus John C. Roos 1965-10-7 Riverside Comment
  RSA0066618  Harpagonella palmeri Scott D. White 2001-4-19 8381 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
  UC1563101  Harpagonella palmeri Steve Boyd, Tim Ross, Laurel Arnseth 1989-4-2 3206 Riverside w end bench on s flank Oak Mountain (Vail Lake area); , s flank Oak Mountain 518 Comment
  UCR144412  Harpagonella palmeri Scott D. White 2001-4-19 8381 Riverside Perris-Aguanga Basin, Perris / Sun City area. Just east of Goetz Road and south of Ethanac Road, c. 1.5 - 2.0 mi west of Interstate 215 473 Comment
  UCR174382  Harpagonella palmeri A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32568 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
  RSA0066624  Harpagonella palmeri Steve Boyd 1986-4-10 1644 Riverside Temescal Canyon: Along DePalma Rd between Indian Truck Trail and Horsethief Canyon. 1 mi. E of Indian Truck Trail. Comment
  SEINET2052382 Image available Hazardia squarrosa Howard S. Gentry 1972-8-1 23033 Riverside Gentry Ranch, 3.5 miles NE of Murrieta. 426 Comment
  RSA594122  Hedypnois cretica D. L. Banks, Victor Steinmann 1996-4-20 0880 Riverside NW Palomar Mountains; Agua Tibia Mountains; N face of Dorland Mtn., on the W side of the Dorland Mountain Arts Colony; Along a circular drive that runs along the W end of the compound. 567 Comment
  RSA598425  Helianthus annuus Scott D. White 1996-9-22 4541 Riverside Perris: Nuevo Road at edge of irrigated alfalfa field, just E of San Jacinto River crossing. 435 Comment
  UCR18591  Helianthus niveus subsp. canescens John C. Roos 1952-3-27 5423 Riverside Sonoran (Colorado) Desert, Ramon road about 2 mi east of Palm Springs 122 Comment
  UCSB9945  Helianthus nuttallii Philbrick, Ralph 1954-10-24 Riverside Four miles south of Chino Institute 213 Comment
  UCR128254  Heliotropium curassavicum A. C. Sanders, Kelly Volansky 2003-10-16 27344 Riverside Moreno Valley, lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 534 Comment
  UCR13401  Heliotropium curassavicum var. oculatum William A. Hunt 1972-5-19 720519- 2 Riverside Upper Santa Ana River/San Bernardino Valley Region, west edge of UCR campus, behind Bannockburn, between Canyon Crest Dr. and 60 Fwy 305 Comment
  RSA450431  Hemizonia fasciculata J. C. Roos 1965-6-19 s.n. Riverside Skyline Drive, S of Corona Comment
  RSA618423  Hemizonia fasciculata D. L. Banks 1997-5-5 1952 Riverside NW Palomar Mountains, Agua Tibia Mountains: Northwestern foothills of Dorland Mountain, along Los Caballos Road, approximately 0.4 m south of Hwy. 79, 150 m north of Anza Road. Along the west side of the road in areas burned by the 1996 Temecula Fire. 390 Comment
  RSA784859  Hemizonia fasciculata Steve Boyd, Orlando Mistretta, Walter Wisura 1989-5-30 sn Riverside Lake Skinner County Pk, S. base of Bachelor Mtn Comment
  POM5967  Hemizonia kelloggii Jenkins, Street s.n. Riverside Hemet Comment
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Feb 3 2013
  UCR135989  Hemizonia kelloggii Virginia Moran 2003-7-17 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and west of Wilson Creek 915 Comment
  UCR193122  Hemizonia mohavensis A. C. Sanders, Tim Thomas 2008-6-20 35555 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  RSA715766  Hemizonia paniculata A. C. Sanders, Guy Bruyea 2003-6-12 26897 Riverside Winchester, SE side of town between Simpson Ave. and Olive Ave., east of Hwy 79/Winchester Rd. 450 Comment
  UCR112002  Hemizonia paniculata A. C. Sanders, T. B. Salvato 2000-5-25 23423 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR172160  Hemizonia paniculata T. B. Salvato, Gregg Miller 2005-6-3 1378 Riverside Peninsular Range; Perris-Aguanga Basin Region, c. 3 mi SW of Perris, 1.7 mi SW of the Goetz Road crossing of the San Jacinto River and c. 0.25 mi south of Ethanac Road 436 Comment
  UCR90610  Hemizonia paniculata Scott D. White 1995-6-29 3386 Riverside Santa Ana Mtns., Murrieta Creek, NW of Murrieta, upstream from Cole Creek confluence, at Calle de Oso Oro Rd. crossing 351 Comment
  UCR205989  Hemizonia pungens subsp. laevis Karen Kirtland, Stephanie Pacheco 2009-6-8 s.n. Riverside San Jacinto Valley, Ramona Blvd. near Potter Rd., SE of Sanderson Ave. and south of the Ramona Expressway, c. 0.5 mi. north of San Jacinto Reservoir and c. 2 miles south of Gilman Hot Springs 454 Comment
  UCR213882  Hemizonia pungens subsp. laevis Scott D. White 2009-8-10 13353 Riverside Temecula Valley, city of Temecula, west bank of Murrieta Creek, from Rancho California Road to Cherry Street 313 Comment
  UCR68035  Hemizonia pungens subsp. laevis D. E. Bramlet 1990-7-20 2056 Riverside SE corner of Ramona Expressway and Warren Ave. 490 Comment
  UCR85528  Hemizonia pungens subsp. laevis Scott D. White 1993-4-30 1311 Riverside San Jacinto Valley, Near intersection of Warren Rd. and Stetson Ave. 458 Comment
  UCR89236  Hemizonia pungens subsp. pungens Scott D. White 1995-9-22 3685 Riverside San Jacinto Valley, March Air Force Base, west of Plummer St. and south of Cactus Ave., 0.7 mile west of 215 Fwy. 460 Comment
  SDSU14064  Hesperoyucca whipplei Bismarck Magoto 2002-4-20 6 Riverside Found approximately 200 meters east of Snata Margarita Ecological Reserve headquarters. 335 Comment
  UCR281497  Hesperoyucca whipplei Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-5-31 517- 112 Riverside Temescal Valley, 0.25 miles SW of the intersection of De Palma Rd. and Horsethief Canyon Rd. 396 Comment
  SDSU13470  Heteromeles arbutifolia James C. Dice, Ruth Miller 1987-11-23 754 Riverside Santa Margarita Ecological Reserve: Temecula Gorge, north bank of Santa Margarita River, just east of aqueduct crossing. T8S, R3W, SE 1/4 of NE 1/4 of Section 27. 244 Comment
  UC128672  Heterotheca grandiflora Charlotte M. Wilder 1909-2-20 893 Riverside w. Riverside Comment
  POM153366  Heterotheca sessiliflora subsp. echioides P. A. Munz, I. M. Johnston 1928-9-12 11249 Riverside Temescal Canyon. Comment
  CAS-BOT-BC26196  Heterotheca sessiliflora var. sanjacintensis J. C. Semple; J. Chimielewski 1987-9-30 8982 Riverside Idyllwild, CA-243, just S of Idyllwild Park, Manzanita Dr. Comment
  UCSB42205  Heterotheca subaxillaris Roos, John 1965-9-26 Riverside 2 miles south of Jackson St., Indio Comment
  SBBG70473  Heuchera rubescens R. Hoffmann 1929-9-6 Riverside San Jacinto Mtns 2590 Comment
  CLARK-A1528-3226  Hibiscus denudatus John C. Roos 1939-4-6 4145 Riverside Orocopia Mountains Comment
  RSA668428  Hibiscus denudatus S. Granger 1979-2-13 s.n. Riverside Chuckawalla Mountains. Comment
  SD3007  Hibiscus denudatus Fidella g. Woodcock 1928-4-27 Riverside Road to Andreas Canyon. Comment
  UCR151099  Hieracium albiflorum Scott D. White, Julie Greene 1998-8-1 6971 Riverside Peninsular Ranges/San Jacinto Mtns region, Idyllwild Area, within residential community above/parallel to E bank of Strawberry Creek, between crossing at Circle Drive and Humber Park 1951 Comment
  POM48031  Hieracium horridum P. A. Munz, I. M. Johnston 1924-7-27 8740 Riverside Dark Canyon, San Jacinto Mountains. 2287 Comment
  JEPS15378  Hoffmannseggia glauca Joseph and Hilda Grinnell 1937-11-30 1087 a Riverside 24 mi w of Blythe; Ford Dry Lake 106 Comment
  LA45782  Hoffmannseggia microphylla Norman C. Cooper; 1944-5-20 2621 Riverside San Jacinto Mountains, Palms to Pines Highway 304 Comment
  LA45789  Hoffmannseggia microphylla Martha Hilend; 1929-7-27 363 Riverside Shaver's Well Comment
  UCD105855  Hoffmannseggia microphylla P. C. Everett; E. K. Balls 1958-4-29 22958 Riverside U.S. Highway 60/70, Indio to Blythe, 5 mi. e. from jct. with U.S. Hwy 99. 121 Comment
  UCR141246  Holocarpha virgata subsp. elongata A. C. Sanders, Mike Misenhelter 2004-10-6 28826 Riverside Santa Ana Mtns./Santa Rosa Plateau, hill 2139 at west end of the Mesa De Colorado, private land on the west side of Via Volcano adjacent to the Santa Rosa Plat. Ecol. Reserve 640 Comment
  RSA564766  Hordeum intercedens A. C. Sanders 1993-4-5 13697 Riverside Western edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74)., (Near 33 deg 46'N, 117 deg 03'W) 460 Comment
  UCR266330  Hordeum intercedens D. E. Bramlet 1991-4-29 2080 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, 6.5 km west of Hemet & c. 0.4 km west of intersection of Florida Ave./Hwy 74 & Warren Road 457 Comment
  RSA729802  Hordeum marinum subsp. gussoneanum R. F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 51993 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  RSA356722  Hordeum marinum subsp. gussoneanum R. F. Thorne, Earl Lathrop 1975-5-25 45550 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 609 Comment
  UCR107839  Hordeum murinum Scott D. White, M. Jacobsmeyer 1996-4-20 3971 Riverside Perris Basin, near Perris Airport; c. 100 m south of Case Road and 100 m west of the San Jacinto River Channel 433 Comment
  UCR91918  Hordeum murinum A. C. Sanders, S. Hawkins 1996-4-24 18087 Riverside San Bernardino Mtns, Morongo Indian Reservation, SE edge of Burro Flats in vicinity of natural pond & bog 1159 Comment
  SBBG100515  Hordeum vulgare W. L. Halvorson 1977-1-4 77 -229 Riverside Corona Comment
  UCR220297  Horsfordia alata Dave Goodward 2005-2-27 s.n. Riverside Peninsular Range, Toro Canyon 366 Comment
  SBBG68139  Hosackia oblongifolia var. oblongifolia R. Hoffmann 1929-9-7 Riverside San Jacinto Mtns 1828 Comment
  SEINET5327478  Hosackia oblongifolia var. oblongifolia H. M. Hall s.n. Riverside San Jacinto Mt. Comment
  UCR213828  Hulsea heterochroma Scott D. White, Justin M. Wood 2009-5-21 12841 Riverside San Jacinto Mountains, McMullen Flat area, 0.35 north on Valley Hi Drive, from intersection with Twin Pines Road 1201 Comment
  CLARK-A1528-1951  Hulsea vestita John C. Roos 1965-6-13 Riverside San Jacinto Mountains Comment
  CAS-BOT-BC312592  Hulsea vestita subsp. callicarpha F. R. Irvine 1958-6-27 s.n. Riverside Santa Rosa Indian Reservation Comment
  RSA126701  Hulsea vestita subsp. callicarpha David Kyhos 1958-5-16 58 -187 Riverside Palms to Pines Highway, 2.5 miles W of Aguanga turnoff, San Jacinto Mts. Comment
  RSA603705  Hulsea vestita subsp. callicarpha C. Epling, Robinson 1935-6-29 s.n. Riverside Near Keen camp, San Jacinto Mt. Comment
  RSA94148  Hulsea vestita subsp. callicarpha E. C. Jaeger, Peirson 1922-7-3 5466 Riverside Long Valley, San Jacinto Mts. 2652 Comment
  SDSU1684  Hulsea vestita subsp. callicarpha D. F. Howe 1941-6-8 1281 Riverside San Jacinto Mts. 1524 Comment
  UCR195706  Hulsea vestita subsp. callicarpha A. C. Sanders, Tim Thomas 2008-8-1 35941 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1402 Comment
  SD90463  Hydrocotyle ranunculoides Robert F. Thorne, E. Lathrop 1969-6-6 39347 Riverside Santa Rosa Plateau, Rancho California. 609 Comment
  RSA0106699  Hymenoclea salsola Duncan S. Bell, Thomas Stoughton 2010-3-19 568 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; approximately 2.25 air miles west of Priest Well. 439 Comment
  RSA696757  Hymenoclea salsola J. R. Bruff 1931-3-30 456 Riverside Wash W. of Shaver's Well Comment
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Jul 5 2010
  UCR101570  Hymenoclea salsola Bern Schwenn 1998-4-11 s.n. Riverside San Bernardino Mountains, Mission Creek, along Pacific Crest Trail and slope on E side of canyon. 823 Comment
  CAS-BOT-BC312860  Hymenoxys odorata W. L. Jepson 1912-10-22 5260 Riverside Palo Verde Valley 137 Comment
  UC570561  Hymenoxys odorata Frank W. Peirson 1935-4-17 11468 Riverside 20 mi s Blythe Comment
  CAS-BOT-BC219731  Hyptis emoryi R. F. Hoover 1966-10-15 10164 Riverside Dead Indian Canyon Comment
  CHSC27888  Hyptis emoryi Mike Cecchini 1978-3-24 5 Riverside Palm Springs. Ca. 200 m s of Palm Canyon Wash and 5 m ne of the Broadmoor Dr. water tank, 3 km se of Palm Springs Municipal Airport. 315 Comment
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Feb 26 2008
  HSC66539  Hyptis emoryi Christopher Davidson 1979-4-4 7686 Riverside Orocopia Mtns., lower end of Box Canyon on Box Canyon Rd., 4.4 mi. E of Mecca 213 Comment
  OBI13685  Hyptis emoryi Robert F. Hoover 1966-10-15 10164 Riverside Dead Indian Cyn Comment
  RSA19548  Hyptis emoryi Roxana S. Ferris, Ruth P. Rossbach 1938-5-16 9570 Riverside Mecca Hills 2 miles up Painted Canyon. Comment
  UCR120713  Hyptis emoryi Helen Kennedy, T. B. Salvato 2002-2-2 5450 Riverside Western Colorado Desert/ San Jacinto Mtns, Coachella Valley, Agua Caliente Indian Reservation, mouth of Andreas Canyon at Palm Canyon, S edge of Palm Springs between Andreas Cyn. Rd. and water tank on W edge of sec. 2 244 Comment
  UCR123825  Hyptis emoryi Steven R. Hill 2001-5-3 33650 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 1.0-1.5 mi SW of Calif. Hwy 111, Palm Springs.Boundary of Palm Springs Aerial Tramway property, at entrance gate 610 Comment
  CAS-BOT-BC274059  Imperata brevifolia Louis C. Wheeler 1933-12-2 2318 Riverside US 99 2 mi. NW Whitewater Station 365 Comment
  CAS-BOT-BC311618  Isocoma acradenia var. eremophila L. R. Abrams 1941-10-30 14308 Riverside Indian Ave., about 1 mile north of Palm Springs Comment
  CDA8022  Isocoma acradenia var. eremophila G. D. Barbe 1973-10-19 1734 Riverside Coachella Water District Canal, west end of Airport Road, north of Lake Cahiuilla County Park, west of Thermal. 0 Comment
  UC891889  Isocoma acradenia var. eremophila Lewis S. Rose 1936-12-18 36788 Riverside Palm Springs 138 Comment
  UCR114203  Isocoma menziesii var. vernonioides A. C. Sanders, D. Malueg, K. D. Jones, et al 2000-9-8 23642 Riverside Perris-Aguanga Basin Region, French Valley, dry hills at N end of French V. Airport and just south of Auld Rd., along gasline right of way 409 Comment
  RSA559314  Isolepis cernua Steve Boyd, Timothy S. Ross, David E. Bramlet 1993-5-13 7374 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approx. 1 mile. 412 Comment
  RSA544400  Iva axillaris subsp. robustior Steve Boyd, Tim Ross 1991-6-14 6368 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Springs. Comment
  SDSU9541  Jepsonia parryi James C. Dice with Tu Chung 1987-10-19 737 Riverside At head of unnamed shallow side canyon, north side of Temecula Gorge, overlooking Santa Margarita River, ca. 0.4 km ENE of Field Station site and just ENE of weather station. T8S, R3W, northwest 1/4 of northwest 1/4 of section 26. 329 Comment
  UCR101547  Jepsonia parryi A. C. Sanders 1997-3-19 20024 Riverside Lake Skinner area, hills at east foot of Bachelor Mtn., 0.5 km north of NE arm of lake, small canyon at N foot of 1700 ft. hill 488 Comment
  UCR18881  Juglans californica John C. Roos 1952-6-25 5789 Riverside Thickets at W end of Fairmont Park, Riverside 260 Comment
  UCR210  Juglans californica Eugene Cardiff 1950-3-15 s.n. Riverside San Bernardino Valley Region, Jurupa Hills [=Jurupa Mtns.] 518 Comment
  UCR237513  Juncus acutus subsp. leopoldii Amber Swanson, Duncan S. Bell 2011-3-11 214 Riverside Mojave Desert, Coachella Valley Preserve, Willis Trail, Willis Palm Oasis near spring off Thousand Palms Road 104 Comment
  UCR96427  Juncus balticus Scott D. White 1996-8-1 4427 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  POM14372  Juncus bufonius Phillip A. Munz 1922-5-5 5160 Riverside 0.5 mile north of March Field [March Air Force Base]. Comment
  RSA198996  Juncus bufonius Robert F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37449 Riverside Santa Rosa Plateau: Mesa de Colorado 671 Comment
  RSA336180  Juncus bufonius Robert F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 51978 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  POM1626  Juncus effusus subsp. austrocalifornicus H. M. Hall 1897-8-11 831 Riverside In the vicinity of Strawberry Valley. 1646 Comment
  UCR20919  Juncus effusus subsp. austrocalifornicus A. C. Sanders 1978-7-5 781 Riverside San Jacinto Mountains, James Reserve, near head of Lake Fulmor at the mouth of Indian Creek 1616 Comment
  UC842783  Juncus macrandrus Crawford and Johnston 1917-6-9 1232 Riverside near Corona; Santa Ana River Comment
  RSA0062498  Juncus macrophyllus J. M. Andre 2012-6-15 30519 Riverside San Jacinto Mountains: Along Hwy 243, 8.6 mi. south of Interstate 10 (Banning), just northeast of Hungry Hollow and Poppet Flat; SB Natl. Forest. 1308 Comment
  SBBG57293  Juncus macrophyllus R. Hoffmann 1929-9-7 Riverside San Jacinto Mtns Comment
  RSA97126  Juncus mexicanus H. K. Buechner 1955-6-1 C- 116 Riverside 4.5 miles south of Palm Desert. north base of Santa Rosa Mountains. Comment
  CDA33225  Juncus rugulosus S. Munhall 1957-7-18 Riverside Cleveland National Forest, high rocky ridge. 0 Comment
  SBBG89290  Juncus textilis J. Adams 1966-4-25 738 B Riverside rd from Murrieta to De Luz; Santa Rosa Plateau 762 Comment
  SDSU13572  Juncus xiphioides W. Miller 1972-7-11 Riverside Comment
  UCR121893  Juncus xiphioides Ian G. Gillespie 2001-5-7 83 Riverside East side of Santa Ana Mountains, Temescal Valley Area, also known as Sycamore Canyon Area. North of Indian Truck Trail, in drainage off of De Palma Road. Heavy construction currently underway in adjacent areas 335 Comment
  CAS-BOT-BC85415  Juniperus californica Dr. Barton W. Evermann 1916-5-13 s.n. Riverside Cottonwood Springs Comment
  UCR1721  Juniperus californica Frank C. Vasek 1963-3-31 630331- 02 Riverside Sonoran (Colorado) Desert, small valley in a canyon just south of highest peak in Coxcomb Mtns. 1067 Comment
  UCSB15610  Juniperus californica Holmes, John 1963-5-5 Riverside Along California Highway 74 at Pinyon Flats Campground, 16.3 miles west of Junction with California Highway 111 1219 Comment
  CAS-BOT-BC234574  Justicia californica R. F. Hoover 1966-10-15 10163 Riverside Dead Indian Canyon Comment
  UCR26300  Justicia californica John C. Roos, Lucille Roos 1949-4-11 4233 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Corn Spring Comment
  UCR245069  Kallstroemia californica A. C. Sanders, T. B. Salvato 2012-10-12 40409 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd. near intersection with Graham Pass Rd., 4.56 km west of I-10 junction 124 Comment
  UCR89730  Kallstroemia californica J. M. Stewart 1990-9-23 661 Riverside Sonoran (Colorado) Desert, Interstate Hwy 10, 1.5 mi. west of Wiley Well Road. Comment
  CAS-BOT-BC235500  Keckiella antirrhinoides Peter H. Raven 1958-5-17 12934 Riverside 3.4 miles south-east of Banning on road to Idyllwild, San Jacinto Mountains Comment
  OBI74462  Keckiella antirrhinoides David J. Keil 1983-4-15 16899 Riverside East of Temecula SR 79 Comment
  RSA298671  Keckiella antirrhinoides D. C. Michener 1982-5-5 4036 Riverside Northerly slopes along Temescal Canyonn Rd ca 1.1 miles southeast of Temescal Fire Station. Comment
  RSA424842B  Keckiella antirrhinoides N. C. Cooper 1949-6-1 3952 Riverside Elsinore. 762 Comment
  CAS-BOT-BC236716  Keckiella antirrhinoides subsp. antirrhinoides John Thomas Howell 1930-5-10 4796 Riverside Top of St. John's Grade Comment
  UC1518630  Keckiella antirrhinoides var. antirrhinoides Robert F. Thorne, Drs. Fosberg, Sachet, and Herbst 1983-4-23 55474 Riverside ca 3.3 mi n Whitewater Post Office (side-canyon on w side of Whitewater Canyon); San Bernardino Mts., Whitewater Canyon 594 Comment
  RSA131402  Keckiella cordifolia E. K. Balls 1958-6-27 23283 Riverside Yellow Pine Forest, upper edge. 5 mi. se. from Silverado (Gate), Silverado Canyon. 1098 Comment
  UCR57123  Keckiella cordifolia Jeri Hirshberg 1989-6-9 s.n. Riverside Santa Ana Mtns, Santa Rosa Plateau: south of town of Murrieta, head of Cole Canyon, NW of Mesa de Burro Comment
  JEPS7922  Keckiella rothrockii var. jacintensis W. L. Jepson 2294 Riverside Tauquitz Valley; San Jacinto Mt. 2438 Comment
  POM19851  Koeleria macrantha Mary F. Spencer 1923-6-29 2255 Riverside Idyllwild 1646 Comment
  UCD86080  Koeleria macrantha F. M. Reed 1920-6-14 4419 Riverside San Jacinto Mts., Banning Road west of Idyllwild. 1676 Comment
  CAS-BOT-BC273673  Koeleria pyramidata H. M. Hall 1901-6-1 2376 Riverside San Jacinto Mountains. In the vicinity of Strawberry Valley 1828 Comment
  UC864343  Krameria grayi Ivan Johnston Apr 4 1917-Apr 6 1917 1097 Riverside mouth of Andreas Canyon; Colorado Desert, mouth of Andreas Canyon Comment
  CLARK-A1528-1976  Lactuca serriola John C. Roos 1965-10-7 Riverside Beaumont Comment
  UC1605434  Lagophylla ramosissima Steve Boyd and Tim Ross 1994-9-14 8342 Riverside about 0.5 mi s Serrano Spring (sw edge of Oak Flats area); Southern Santa Ana Mountains, Cleveland NF, San Mateo Cany 731 Comment
  UC1108982  Lamarckia aurea H. E. and S. T. Parks March, 1947 Riverside Santa Rosa Canyon near Indio; Santa Rosa Canyon Comment
  RSA179516  Lamarckia aurea E. W. Lathrop 1964-5-10 5364 Riverside 10 miles west of Murrieta. 610 Comment
  CLARK-A1528-3535  Langloisia schottii John C. Roos 1943-5-23 2663 Riverside Little San Bernardino Mountains Comment
  RSA698328  Langloisia schottii J. R. Bruff 1932-3-22 s.n. Riverside Between Garnet and Edom Comment
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Nov 3 2011
  RSA795475  Langloisia schottii C. P. Cowan 1978-4-23 1215 Riverside 12.1 mi (19.2 km) S on Hwy 74 from jct with Hwy 111 at Indian Wells. Whittaker transect no.W-220 (voucher). 950 Comment
  CAS-BOT-BC183259  Larrea tridentata James R. Shevock 1986-3-23 11357 Riverside Adjacent to Interstate 10 along Eagle Mountain Road, 3 miles west of Desert Center 350 Comment
  CAS-BOT-BC205630  Larrea tridentata James R. Shevock 1986-3-23 11357 Riverside Colorado Desert Region. Adjacent to Interstate 10 along Eagle Mountain Road, 3 miles west of Desert Center 350 Comment
  RSA799814  Larrea tridentata D. M. Ray 2011-3-5 5 Riverside Sonoran Desert: Chuckwalla Valley along Kaiser Road. 198 Comment
  UC867939  Larrea tridentata Alice Eastwood 1913-4-30 3085 Riverside Palm Springs Comment
  UCSB3664  Larrea tridentata Bobkowski, Vincent 1960-4-1 Riverside 3 Miles south west of Intersection State Highway 195 and U.S. 60-70 in the Orocopia Mountains Comment
  RSA559323  Lastarriaea coriacea Steve Boyd, Tim S. Ross, Dave Bramlet 1993-5-13 7364 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Los Alamos Canyon at mouth of Wildhorse Canyon. 412 Comment
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Mar 24 2013
  RSA736316  Lastarriaea coriacea Scott D. White, Justin M. Wood 2008-3-25 11777 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  CAS-BOT-BC338924  Lasthenia californica H. M. Hall 1902-4-7 2753 Riverside Vicinity of Riverside. Alessandro 426 Comment
  SD137868  Lasthenia californica Darin L. Banks, Steve Boyd 1995-3-16 87 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; north slope of Agua Tibia Mountain; east of the Dripping Springs Alcove. 515 Comment
  POM361561  Lasthenia coronaria Ora M. Clark 1929-3-16 1698 Riverside South Cabazon. Comment
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Mar 13 2011
  UCR101839  Lasthenia coronaria B. G. Pitzer 1997-4-1 3061 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  UCR88738  Lasthenia coronaria A. C. Sanders, K. C. Rose 1995-4-5 16366 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  RSA603428  Lasthenia gracilis K. Watkins, Elizabeth McClintock 1937-4-9 s.n. Riverside Meadow between Hemet and Winchester Comment
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Mar 20 2011
  UCR171719  Lasthenia gracilis 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
  UCR213484  Lasthenia gracilis A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37819 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, under powerlines near dirt extension of Lake St., 1.1 mi. NW (356 deg. ) of intersection of I-15 and Lake St. 549 Comment
  RSA0027939  Lathyrus John F. Emmel 1992-6-10 1224 Riverside San Jacinto Mts: Fobes Trail. 1707 Comment
  RSA0043380  Lathyrus John F. Emmel 1996-6-16 1412 Riverside San Jacinto Mts.; along Spitler Peak Trail, 0.1-0.2 trail mile west of junction with Pacific Crest Trail. 2072 Comment
  SD224958  Lathyrus latifolius Scott D. White 1996-8-16 4487 Riverside Idyllwild area: SW of Pine Cove and W of Bear Trap Cyn, in watershed above Alvin Meadows (tributary to toll Rd. Cyn.).A few plants at terminus of Marion Ridge Rd, near radio facility, in open forest. 1700 Comment
  RSA608358  Lathyrus vestitus subsp. vestitus Leota Brice 1930-4-13 30 Riverside San Jacinto Mts. Comment
  UC194447  Lathyrus vestitus var. alefeldii H. M. Hall 1913-6-7 9435 Riverside Temecula Creek Comment
  CAS-BOT-BC320798  Layia glandulosa H. M. Hall 1901-6-1 2185 Riverside San Jacinto Mountains. South side. 1371 Comment
  OBI35674  Layia platyglossa Louis B. Ziegler 1967-2-20 109 Riverside San Jacinto Valley-valley floor near hills N of Lakeview 457 Comment
  UC63239  Layia platyglossa H. M. Hall May 17 1901-Jun 1 1901 1814 Riverside Johnston Ranch San Jacinto Mountains, Johnston Ranch 1371 Comment
  UC828952  Layia platyglossa B. C. Templeton and I. W. Clokey 1930-4-9 4664 Riverside Banning Comment
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Dec 11 2016
  UCR139043  Layia platyglossa D. L. Banks 1997-3-6 1390 Riverside NW Palomar Mountains, Agua Tibia Mountains, Pechanga Indian Reservation. 'Fiesta Ground' east of Pechanga Creek along the N fork of Pechanga Creek at the E end of the Reservation 482 Comment
  UCR154822  Layia platyglossa A. C. Sanders, Kelly Volansky 2005-3-17 29239 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  POM361705  Layia platyglossa subsp. campestris M. B. Dunkle 1935-3-10 4361 Riverside Temescal Canyon 243 Comment
  RSA12917  Layia platyglossa subsp. campestris C. B. Wolf 1935-4-7 6307 Riverside 2 mi. SW of Perris. 427 Comment
  RSA0001368  Layia ziegleri L. B. Ziegler 1966-6-1 s.n. Riverside Between Mountain Center and Keen Camp summit, San Jacinto Mts. 1448 Comment
  RSA736734  Lemna Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10690 Riverside Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  POM14284  Lemna gibba Philip A. Munz 1922-4-30 5111 Riverside Lancaster Valley, south of Hemet. Comment
  POM78933  Lemna gibba I. M. Johnston 1925-7-7 5281 Riverside Santa Ana River ca. 3 miles S of Wineville [Mira Loma Station]. 183 Comment
  RSA741419  Lemna gibba Justin M. Wood 2008-12-2 256 Riverside City of Temecula, Murrieta Creek, downstream of 1st street bridge. 290 Comment
  CAS-BOT-BC215768  Lepechinia E. W. Lathrop 1973-6-28 7440 Riverside Trail between El Carriso and Santiago Peak, Cleveland Nat'l Forest 1219 Comment
  RSA621635  Lepidium dictyotum R. E. Riefner 1998-3-22 98 -183 Riverside Lake Elsinore. Elsinore Trough between Willard and Murrieta Creek. Comment
  LA204439  Lepidium fremontii Carl Epling; William Robison 1933-6-26 sn Riverside Little San Bernardino Mountains, Key's View 1523 Comment
  SD124698  Lepidium lasiocarpum A. C. Sanders, D. Charlton & B. Pitzer 1986-3-1 6031 Riverside Hayfield Lake, northwest end of the lake, ca. 0.5 mile southwest of the pumping station. 409 Comment
  UCR77582  Lepidium lasiocarpum Steve Boyd, T. S. Ross, Orlando Mistretta 1992-2-2 6640 Riverside Santa Ana Mtns, Cleveland National Forest. Upper San Mateo Canyon between the confluence of Tenaja Canyon and Los Alamos Canyon 427 Comment
  UCD115691  Lepidium lasiocarpum subsp. lasiocarpum H. S. Yates 1937-3-23 6426 Riverside Thermal. 30 Comment
  POM134  Lepidium lasiocarpum var. lasiocarpum Robinson, Crocker 1916-4-3 s.n. Riverside Elsinore region. Comment
  SD231267  Lepidium latifolium Scott D. White 2003-6-9 9254 Riverside Perris Basin: Northeast corner of Devonshire Ave. and Warren Rd., immediately south of Tres Cerritos. 473 Comment
  UCR104626  Lepidium latipes var. latipes D. E. Bramlet 1997-3-13 2494 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Nichols Road Wetlands, c. 275-335m SE of Nichols Road, 91m west of Collier Ave. and 196-305 m west of the I-5, east of the dirt road extending S from Nichols Rd. and adjacent to Alberhill Creek 381 Comment
  RSA0116224  Lepidium strictum Steve Boyd, Andy Sanders, Mark Skinner 1990-4-28 4459 Riverside Vail Lake area, low, sedimentary hills to E of USFS Dripping Springs Campground along Arroyo Seco Crk, S of Hwy 79. 488 Comment
  SBBG47456  Lepidium virginicum N. C. Cooper 1944-6-16 1390 Riverside W side of San Jacinto Mtns 1371 Comment
  UCR21297  Lepidium virginicum var. pubescens A. C. Sanders, K. Berg 1980-5-1 1369 Riverside San Jacinto Mtns., Garner Valley. 0.25 mi NW of the Kenworthy Ranger Station. 1387 Comment
  UCR121177  Lepidium virginicum var. robinsonii D. E. Bramlet 1990-4-26 1977 Riverside E side of Rawson Canyon, 2,500 ft. (~0.47 mi.) SW of knoll '2267" 610 Comment
  UCR220117  Lepidium virginicum var. robinsonii D. E. Bramlet 1998-6-4 2633 Riverside North Domenigoni Hills, 3.8 mi. ESE (97 deg. ) of Winchester 608 Comment
  UCR25950  Lepidium virginicum var. robinsonii John C. Roos 1952-2-29 5367 Riverside San Bernardino Valley, [upper] Reche Canyon 549 Comment
  UCR3284  Lepidium virginicum var. robinsonii T. R. Plumb 1964-2-23 s.n. Riverside San Bernardino Valley Region, Box Springs Mountains, small hill east of Sugarloaf 442 Comment
  UCR97507  Lepidium virginicum var. robinsonii A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19881 Riverside Peninsular Range, Lake Skinner area; lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 Comment
  RSA586919  Lepidium virginicum var. virginicum D. L. Banks, S. D. Boyd 1995-5-3 254 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA514321  Lepidospartum squamatum Reid V. Moran 1967-11-7 14644 Riverside 7 mi west of Radec. 400 Comment
  UC828994  Lepidospartum squamatum Lewis S. Rose 1938-12-20 38332 Riverside 3 mi se of Palm Springs Station; Whitewater wash 274 Comment
  UCR113551  Lepidospartum squamatum Mitch Provance, Juanita Provance, Seychelle Provance, Claude Provance 1999-4-4 1754 Riverside Riverside, Prenda area (locally known as Whitegates Hills), c. 0.5 miles west of pk 1659. 366 Comment
  RSA723303  Leptochloa fusca subsp. uninervia P. M. Peterson, D. R. Peterson 1989-9-22 8123 Riverside San Jacinto, 8.8 km W. of State Hwy 79 on Ramona Expressway towards Lakeview 500 Comment
  RSA783048  Leptodactylon pungens Olmsted 1959-7-1 709 Riverside In Granite along trail from saddle to San Jacinto 4 mi. NE of Idyllwild 2591 Comment
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Mar 29 2014
  UC106728  Leptodactylon pungens A. W. Anthony July 12, 1895 - July 17, 1895 Riverside San Jacinto Mts. 2590 Comment
  UCSB26904  Leptosiphon floribundus subsp. glaber Wilken, Dieter 1969-6-30 Riverside Santa Rosa Springs, Santa Rosa Mountains 2377 Comment
  POM364627  Leptosiphon lemmonii Anstruther Davidson s.n. Riverside Idyllwild. Comment
  RSA525334  Leptosiphon pygmaeus subsp. pygmaeus Steve Boyd, A. C. Sanders, Mark Skinner 1990-4-28 4464 Riverside Vail Lake area, Hwy R3 (Sage rd) at junction with Debby Road. just S of Sage. Comment
  SD215408  Leptosyne californica Steve Boyd, Tim Ross and Laurel Arnseth 1990-3-30 3974 Riverside Vail Lake area, valley betweenBlack Hills and Rocky Ridge. 701 Comment
  SD232190  Lessingia glandulifera Scott D. White 2003-10-9 9822 Riverside San Jacinto Mountains: Pine Cove area. Dutch Flat. Reportedly once site of a golf course, now abandoned. 1753 Comment
  UCR201637  Limnanthes gracilis Scott D. White, Justin M. Wood 2008-6-18 12218 Riverside San Jacinto Mountains, K Flat Meadow 1445 Comment
  CLARK-A1045-167  Linanthus androsaceus George K. Helmkamp 1979-4-27 Riverside Santa Ana Mountains Wildomar 7.5' Q Comment
  UC879877  Linanthus aureus C. L. Hitchcock 1940-4-3 5937 Riverside 1.5 mi ne Cottonwood Spring (along 29 Palms Road); Joshua Tree National Monument Comment
  JOTR30953  Linanthus aureus subsp. aureus La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1928 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  UCSB5149  Linanthus californicus Kamb, Peter 1947-3-3 Riverside Banning-IdyllwiId road below Barton Lookout, San Jacinto Mts. 914 Comment
  RSA407739  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd 1986-5-1 1801 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow. Comment
  JOTR16800  Linanthus dichotomus subsp. dichotomus 1986-4-15 s.n. Riverside Joshua Tree National Park. LOWER COVINGTON FLAT Comment
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Feb 25 2013
  RSA480085  Linanthus jonesii Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2174 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  RSA747800  Linanthus jonesii Scott D. White, Justin M. Wood 2009-3-24 12574 Riverside Western foothills of Mecca Hills, +/- 0.5 air mile east of the Coachella Canal and 4 air miles S of the I-10 Freeway. 21 Comment
  UCR128568  Linaria canadensis A. C. Sanders, Mitch Provance 2001-4-5 23918 Riverside Perris-Aguanga Basin region, Long Canyon, Temecula, between gas pipeline route and 'windmill,' south of BM 1221 366 Comment
  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
  UCR58716  Lobularia maritima James C. Dice, Virginia Moran 1987-11-28 759 Riverside Peninsular Range, Temecula Gorge, south rim, near locked gate 305 Comment
  POM364836  Loeseliastrum matthewsii C. Cunningham 1952-5-24 s.n. Riverside Key's Veiw, Joshua Tree Natl. Monument. 1524 Comment
  RSA27972  Loeseliastrum matthewsii C. L. Hitchcock 1940-4-4 5948 Riverside Pinto Basin. Comment
  RSA0041731  Loeseliastrum schottii Sarah J. De Groot, April Garbat 2013-4-9 7001 Riverside Along Blythe-Rice (=Midland) Road, 1.9 mile south of Rice and Highway 62, near bottom of Rice Valley, east side of Arica Mountains. 232 Comment
  JEPS33559  Logfia filaginoides W. L. Jepson 1928-4-19 12428 Riverside hills 5 mi n Elsinore 609 Comment
  RSA775384  Logfia filaginoides Duncan S. Bell 2011-4-10 2246 Riverside Northwest side of the Arica Mountains; northwestern section of project area; collecting in a large wash approximately 3.5 air miles south of Highway 62. 299 Comment
  UC2015535  Logfia filaginoides A. C. Sanders with G. Helmkamp, P. MacKay, et al 1995-3-19 16158 Riverside Coachella Valley/San Jacinto Mtns. Foothills, alluvial fan of Chino Canyon along the Palm Springs tram road, N of the road 14 telephone poles above Highway 111 (Palm Canyon Dr.). Comment
  UCR273660  Logfia filaginoides Mitch Provance 2001-4-19 17016 Riverside San Bernardino Valley, Jurupa Mountains, Jurupa Valley, Sunnyslope area, E of Sierra Ave, N of Lauren Ln., at SW base of 'Noname Mtn. 320 Comment
  UCR59762  Logfia filaginoides Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3071 Riverside Peninsular Range, Vail Lake area, south of Hwy 79, 0.25 mi east of Pauba Road 457 Comment
  UCR54314  Lolium perenne Frank C. Vasek 1956-6-12 s.n. Riverside Riverside: Hwy 60, 1.05 mi east of Chicago Ave. on the University of California, Riverside campus Comment
  UCR138828  Lomatium dasycarpum subsp. dasycarpum D. L. Banks 1997-3-29 1640 Riverside Agua Tibia Mtns., NW Palomar Mountains, Pechanga Indian Reservation. An area of native grassland along the Magee Truck Trail at the southern extremity of the Reservation, just before the Riverside/San Diego Co. line 482 Comment
  UC1375401  Lomatium utriculatum Louis B. Ziegler 1969-5-7 Riverside Hemet Valley near Kenworthy Ranger Station San Jacinto Mountains 1447 Comment
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Mar 25 2011
  SDSU13916  Lonicera subspicata var. denudata Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2155 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, southern end of northern most (narrow) deer grass meadow. 646 Comment
  SEINET272332  Lotus argophyllus A. C. Sanders, O. F. Clarke; H. Forster 1997-3-2 19765 Riverside Box Springs Mtns.: E side of the range in Pigeon Pass area above W end of Quail Call Dr. canyon just W of section line 610 Comment
  UCR107678  Lotus argophyllus G. F. Pratt 1997-3-8 s.n. Riverside Box Springs Mtns, S-facing slopes near highest peak, right around radio towers. 915 Comment
  UCR87651  Lotus argophyllus 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
  UCSC000918  Lotus argophyllus Peter Kamb 1947-5-17 513 Riverside San Jacinto Mts., Hall Canyon 1646 Comment
  RSA526167  Lotus argophyllus var. argophyllus Steve Boyd, T. S. Ross 1990-5-11 4670 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
  RSA0027734  Lotus crassifolius John F. Emmel 1985-6-30 945 Riverside Along north edge of Strawberry Creek, west of Idyllwild. Comment
  RSA613446  Lotus hamatus D. L. Banks, Victor W. Steinmann 1997-3-13 1446 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  RSA406164  Lotus haydonii B. C. Templeton 1930-4-9 101 Riverside Palm Springs 400 Comment
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Aug 28 2011
  CLARK-A1528-2800  Lotus heermannii John C. Roos 1952-6-13 5768 Riverside Pigeon Pass 426 Comment
  GMDRC2043  Lotus heermannii J. Andre 2006-4-26 6757 Riverside Little San Bernardino Mountains: Joshua Tree National Park: Long Canyon, approx. 2.3 mi. S. of NE corner (boundary) of park Near 34.06072 deg. N 116.44711 deg. 43681' W. Elev. 3463 ft. 1056 Comment
  UCR60261  Lotus heermannii Steve Boyd 1989-6-10 3674 Riverside Vail Lake area, Temecula Creek Canyon below the dam 459 Comment
  RSA620645  Lotus humistratus A. C. Sanders, G. K. Helmkamp 1997-3-15 20001 Riverside Lake Skinner, SE foot of Bachelor Mtn., just north of the lake. 500 Comment
  POM12088  Lotus nevadensis var. nevadensis Mary F. Spencer 1921-6-2 89 Riverside Idyllwild, San Jacinto Mt. 1615 Comment
  SEINET3131508  Lotus oblongifolius var. oblongifolius F. M. Reed 1908-7-13 2550 Riverside Tahquiz Valley (?), San Jacinto Mts. Comment
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Jul 30 2013
  JEPS55815  Lotus rigidus John Thomas Howell 1928-1-30 3314 Riverside Cottonwood Springs Colorado Desert Comment
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Sep 20 2011
  SEINET3558565 Image available Lotus rigidus Lewis S. Rose 1938-12-22 38336 Riverside 15 miles southwest of Cathedral City Palms to Pines Highway, San Jacinto Mountains. 671 Comment
  UC212493  Lotus rigidus Ivan Johnston 1917-4-4 Riverside Palm Canyon Colorado Desert Comment
  UC864868  Lotus rigidus S. B. Parish 1917-4-4 Riverside Palm Canyon Colorado desert Comment
  RSA613639  Lotus salsuginosus D. L. Banks, Victor W. Steinmann 1997-3-13 1480 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
  UCR121186  Lotus salsuginosus D. E. Bramlet 1989-4-7 1812 Riverside Perris-Aguanga Basin region, south-facing slope of Bachelor Mtn., area of old mine c. 3200 ft. east of Lake Skinner Dam and 200-700 ft. north of access road 518 Comment
  RSA651075  Lotus scoparius subsp. scoparius Margaret Murphy 1983-4-15 0009 -A Riverside located in the north section of [parcel] 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  CSUSB1245  Lotus strigosus Karen Cook 1966-3-17 Riverside 100 yards east of North-South railroad tracks on corner of Tanescalst & Compton Ave., Corona (city). Open hillside, grassy. 274 Comment
  CSUSB1252  Lotus strigosus D. T. Wright 1966-5-16 Riverside 8 miles southeast of Banning on Banning- Idyllwild road at Hurley Flats Road, San Jacinto Mountains. Comment
  RSA586301  Lotus strigosus D. L. Banks, S. D. Boyd 1995-5-3 0212 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA619566  Lotus strigosus D. L. Banks 1997-5-5 2004 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  UCR270174  Lotus strigosus A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42404 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
  POM98998  Lotus strigosus var. strigosus E. C. Jaeger 1926-3-26 s.n. Riverside Cabazon Comment
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Mar 13 2011
  UCR167216  Lotus strigosus var. tomentellus S. J. Myers 2005-3-24 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, east of N end of Salton Sea, along Coachella Canal 12 Comment
  CLARK-A1528-2812  Lotus tomentellus John C. Roos 1937-4-18 1355 Riverside Whitewater Comment
  UC50311  Lotus wrangelianus H. M. Hall 1903-4-1 3841 Riverside Midlands Comment
  RSA86945  Lupinus arizonicus F. W. Peirson 1921-4-13 2497 Riverside Deep Canyon, about 12 miles southeast of Palm Springs. 274 Comment
  SEINET6180827  Lupinus arizonicus LeRoy Gross, Leland Lubinsky; Victor Steinmann; Linda Worlow 2005-2-17 1407 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region; Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground.; 0 480 Comment
  UCR148461  Lupinus arizonicus S. J. Myers 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 8 miles (3.5 air line) east of North Shore along Coachella Canal right-of-way, NW of Rancho Dos Palmas 24 Comment
  UC865048  Lupinus bicolor L. Haines, L. Erickson 1937-4-9 Riverside pasture 1 mi w San Jacinto; w of San Jacinto Comment
  UCR126385  Lupinus bicolor A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 695 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR23267  Lupinus bicolor J. C. Lyman 1981-5-16 s.n. Riverside Peninsular Ranges/San Jacinto Mountains, May Valley Rd, Idyllwild 1768 Comment
  UCR51927  Lupinus concinnus Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2117 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  UCR95959  Lupinus concinnus Scott D. White 1996-8-1 4417 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  RSA607356  Lupinus concinnus subsp. concinnus R. S. Woglum 1941-5-17 3043 Riverside Peninsular Ranges/Sonoran Desert transition: Alder Canyon off Coyote Canyon. Comment
  SEINET10937080  Lupinus densiflorus var. austrocollium Tilforth 1979-5-23 TILFORTH 1806 Riverside White flwd annual with grasses, delphinium parryi, adenostoma fasciculatum, Solanum parishii. Murrieta-deluz rd., Ca 2 air mi. S of murrieta. 335 Comment
  RSA413545  Lupinus densiflorus var. lacteus N. Cooper 1944-5-5 1201 Riverside Calimesa. 305 Comment
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Nov 22 2011
  CLARK-A1528-498  Lupinus excubitus Fred B. Essig 1964-4-25 25 Riverside Elsinore Comment
  LA205082  Lupinus excubitus Elizabeth McClintock; 1936-7-20 sn Riverside San Jacinto Mountains, Idyllwild Comment
  CAS-BOT-BC216681  Lupinus excubitus subsp. hallii Carl B. Wolf 1932-5-25 3687 Riverside Gilman Ranch in the foothills of Banning 853 Comment
  LA205061  Lupinus excubitus var. austromontanus W. Pequegnat; March 1937 125 Riverside Santa Ana Mountains, Coldwater Canyon, E ridge Comment
  RSA507949  Lupinus excubitus var. austromontanus Steve D. Boyd 1988-5-28 2268 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  RSA618414  Lupinus excubitus var. hallii D. L. Banks 1997-5-5 1962 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  RSA430395  Lupinus formosus M. L. Conrad, David B. Dunn, LeDoux 1973-6-15 292 Riverside 5.9 miles SE of Jct. of Idlewild Road and Hwy 74 on 74. 1220 Comment
  UCR114335  Lupinus latifolius Mitch Provance 2000-5-5 2011 Riverside Riverside, Box Springs Mtns., canyon c. 0.5 mi. NE of peak 2553 and c. 0.5 mi. SW of the old landfill off Pigeon Pass Rd. 488 Comment
  UCR19790  Lupinus latifolius W. W. Mayhew 1977-6-28 s.n. Riverside San Jacinto Mtns., Alandale 1768 Comment
  RSA16478  Lupinus latifolius subsp. parishii Carl B. Wolf 1935-6-19 7229 Riverside Santa Ana Mts, Main Divide Motorway, Bear Spring. 1220 Comment
  CLARK-A1528-4988  Lupinus sparsiflorus John C. Roos 1948-4-24 3789 Riverside Cabazon Comment
  RSA586794  Lupinus sparsiflorus D. L. Banks, S. D. Boyd 1995-5-3 0232 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UCR116789  Lupinus sparsiflorus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24157 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  UCR177114  Lupinus sparsiflorus Tracy Tennant, Jeffrey Ross 1998-3-10 MOR- 1104 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon 1037 Comment
  UCR87980  Lupinus sparsiflorus G. P. Schultz 1994-3-13 s.n. Riverside Box Springs Mountains, slope above Big Springs Canyon. Comment
  SEINET12154750  Lupinus sparsiflorus Unknown 1936-1 12819 Riverside San Jacinta Mts, S of Palm Springs Comment
  RSA659377  Lupinus sparsiflorus subsp. sparsiflorus Bruce Albert 1982-4-17 66 Riverside Hillside west of Lake Mathews Road, 2 miles south of Cajalco Road. Comment
  RSA670571  Lupinus sparsiflorus subsp. sparsiflorus B. C. Templeton 1930-4-9 1081 Riverside Moreno Grade 610 Comment
  RSA660561  Lupinus succulentus Bruce Albert 1982-4-17 59 Riverside Flat field south of Cajalco road, 0.3 miles east of La Sierra Hwy. Comment
  RSA500220  Lupinus truncatus Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3523 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA736697  Lupinus truncatus Scott D. White 2004-4-26 10253 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. 518 Comment
  UC1929901  Lupinus truncatus Scott D. White 2004-4-26 10253 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. Lake Fulmore 7.5' Quad. Comment
  UCR102831  Lupinus truncatus A. C. Sanders 1997-4-3 20146 Riverside Lake Skinner area, near north foot of Black Mountain, slopes south of Crown Valley 726 Comment
  UCR173148  Lupinus truncatus Abby Sirulnik 2000-4-25 20 Riverside Peninsular Ranges, Southwestern Riverside County Multispecies Reserve, c. 3 mi NE of Skinner Reservoir 610 Comment
  JOTR32919  Lycium andersonii Andre, Jim, Tasha La Doux 2009-2-28 10841 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; along Berdoo Canyon Rd, approx. 2.5mi north of JTNP boundary, approx. 5mi north of Dillon Rd. 744 Comment
  POM179062  Lycium andersonii R. H. Peebles, H. F. Loomis 156 -C Riverside Monsen Canyon, Eagle Mts. Corollas Desert. Comment
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Nov 22 2011
  UCR100094  Lycium andersonii R. G. Swinney 1967-3-5 s.n. Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 381 Comment
  UCR175184  Lycium andersonii Jim Andre 2006-4-26 6780 Riverside South Mojave Desert, Joshua Tree National Park: Long Canyon, c. 2.3 mi south of the NE corner (boundary) of the park 1056 Comment
  UC1329895  Lycium cooperi James E. Cole 1941-5-17 721 Riverside Covington Flat Canyon Joshua Tree National Monument 1432 Comment
  CAS-BOT-BC231645  Lycium fremontii R. H. Peebles 1929-3-10 17 Riverside Tauquitz [Tahquitz] Canyon, near Palm Springs Comment
  CAS-BOT-BC226944  Lythrum californicum A. C. Sanders; John F. Green 2012-5-27 40211 Riverside Peninsular Range; Perris-Aguanga Basin Region: San Jacinto River north of Canyon Lake, between Hwy 74 and Goetz Rd. 428 Comment
  RSA708240  Lythrum hyssopifolia Scott D. White, Angelia Carey 2004-5-7 10332 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 549 Comment
  UCR159201  Lythrum hyssopifolia A. C. Sanders, Kelly Volansky 2005-8-31 31567 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  RSA50570  Machaeranthera canescens var. ziegleri E. C. Jaeger 1949-7-25 s.n. Riverside Summit, Santa Rosa Mountains 2470 Comment
  SDSU13822  Madia gracilis W. Miller 1972-8-19 Riverside Comment
  UC33207  Madia gracilis H. M. Hall 1901-6-11 2040 Riverside San Jacinto Mts. 1341 Comment
  UCR195127  Madia gracilis A. C. Sanders, Tim Thomas 2008-8-1 35956 Riverside Peninsular Range; San Jacinto Mtns., lower Coldwater Creek near Mountain Center, SSE of Keenwild Fire Station 1372 Comment
  CAS-BOT-BC514237  Maianthemum stellatum Mary F. Spencer 1919-6-6 1322 Riverside Tacquitz [Tahquitz] Meadow, San Jacinto Mt. 2377 Comment
  RSA736779  Malacothamnus fasciculatus Scott D. White, Angelia Carey 2004-7-2 10560 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  POM11511  Malacothrix californica P. A. Munz 1922-4-7 5974 Riverside Hemet Valley 1372 Comment
  CAS-BOT-BC347694  Malacothrix glabrata Munz; Street; Williams 1919-3-28 2370 Riverside In San Gorgonio Pass, near Banning 701 Comment
  RSA715094  Malacothrix glabrata Sarah J. De Groot, J. Mark Porter 2006-3-14 5196 Riverside North foot of San Jacinto Mts., between Snow Creek Road and Highway 111; several miles downstream from gaging station. 366 Comment
  CDA28909  Malosma laurina Mike Lahti 2009-4-7 PDR# 1501610 Riverside West side of Temecula. 0 Comment
  SD193212  Malosma laurina A. C. Sanders, Kelly Volansky 2005-8-31 31593 Riverside Santa Ana Mountains Region: Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Road., ca. 0.5 mile north of Tenaja Rd. 671 Comment
  UCR261204  Malosma laurina A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-19 41729 Riverside Temesal Canyon, hilltop above DePalma Rd., about mid way between Horse Thief Canyon Rd. and Glen Eden Rd. 399 Comment
  RSA0013135  Malva neglecta LeRoy Gross, Caitlin Elam 2013-5-14 6065 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  RSA727014  Marina parryi Naomi S. Fraga, Lisa Rojas 2005-2-10 1411 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 502 Comment
  SBBG104638  Marina parryi T. Glenn 1991-4-30 91 -58 Riverside McCoy Mtns NW of Blythe 170 Comment
  SD125954  Marina parryi B. Pitzer 1988-3-10 646 Riverside West side of Chuckwalla Mountains, on gas line road, ca., 1.5 mile north of intersection with Red Cloud Mine Road. 487 Comment
  SEINET2063252 Image available Marina parryi B. Pitzer 1988-3-10 646 Riverside W side of Chuckwalla Mts., on gas line road ca. 1.5 mi N of intersection with Red Cloud Mine Rd.; ca 2 mi. S of I-10. 487 Comment
  SD260170  Matelea parviflora A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40515 Riverside Sonoran (Colorado) Desert: Bradshaw Trail, Chuckwall Bench area on S side of Chuckwall Mountains, 8.9 km SE of Gasline Rd, at narrow wash crosing (Red Cloud Canyon 7.5'Q) 701 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
  UCR282162  Matricaria discoidea R. E. Riefner Jr. 2017-4-2 17- 140 Riverside Perris-Aguanga Basin, city of Hemet, along California Ave. near Stowe Road 468 Comment
  RSA793925  Matricaria occidentalis A. C. Sanders, T. B. Salvato 2011-4-29 39362 Riverside Romoland, McLaughlin Rd. east of Palomar Rd., near powerplant and railroad 445 Comment
  JOTR16781  Melica frutescens Hogan, J. 1975-5-20 161 Riverside Joshua Tree National Park. THREE MILES WEST OF PINYON WELL, PUSHAWALLS CANYON 1170 Comment
  RSA342046  Melica imperfecta R. F. Thorne, WA Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54083 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  UCR127334  Melica imperfecta A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25843 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  UCR183337  Melica imperfecta Mitch Provance 2003-4-26 9883 B 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
  UCR225505  Melica imperfecta A. C. Sanders, T. B. Salvato 2011-3-29 38839 Riverside Peninsular Range; Edge of Gavilan Hills, Meadowbrook area, between Perris and Lake Elsinore, along Hwy 74 at Wasson Canyon Rd. and to c. 1/2 between Wasson & Hammack Ave. 500 Comment
  UCR241682  Melica imperfecta T. B. Salvato 2013-3-22 7410 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), south of Los Alamos Rd, rocky slopes flanking Warm Springs Creek 396 Comment
  UCSB39324  Melica imperfecta Jorgensen, Jan 1982-3-23 Riverside 3 kilometers up road to aerial tramway, Palm Springs 120 Comment
  RSA653219  Melilotus albus John Wallace, Steve McNabb 1991-5-4 2 Riverside Colorado River. Ca 2 mi S of Red Rooster Campground. Comment
  JEPS41174  Mentzelia dispersa Carl V. Meyer June 1927 192 Riverside Slope of ravine below Saunders Meadow. [Idyllwild added in pencil] Comment
  RSA517824  Mentzelia involucrata Steve Boyd, Orlando Mistretta 1986-3-13 1442 Riverside West side Palen Mts.: NE of Desert Center. Comment
  UCSB4215  Mentzelia involucrata Hurd, Richard 1956-4-14 Riverside Road to Devil's Garden; 3 miles from Highway 99 Comment
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Nov 23 2014
  CSUSB821  Mentzelia involucrata var. megalantha Wayne White 1974-5-24 Riverside Chuckwalla Mountains, Colorado Desert On Highway I-10 near Red Cloud Road; Chuckwalla Mountains in Colorado Desert 609 Comment
  RSA440401  Mentzelia involucrata var. megalantha P. J. Remple 1942-3-21 s.n. Riverside Whitewater Canyon. Foot of canyon side. Comment
  UC488988  Mentzelia laevicaulis var. laevicaulis C. V. Meyer June 1927 209 Riverside Western base of San Jacinto Mt. Comment
  CSUSB972  Mentzelia lindleyi Rodney Hendrick 1965-3-17 Riverside University of California, Riverside campus 304 Comment
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Mar 14 2014
  POM306697  Mentzelia longiloba var. longiloba Henry J. Ramsey, Henry J. Ramsey 1938-4-26 1685 Riverside West of blythe. Comment
  RSA0107475  Mentzelia longiloba var. longiloba Duncan S. Bell, Amanda Turek 2009-3-29 149 Riverside Collecting in the large western drainage of the Arica Mountains, within the Palen/McCoy wilderness area. 434 Comment
  CAS-BOT-BC435296  Mesembryanthemum nodiflorum A. C. Sanders; Guy Bruyea 2003-6-12 26889 Riverside Perris-Aguanga Basin Region: Winchester, SW edge of town between Simpson Ave. and Olive Ave., ca. 1 km west of Hwy 79/Winchester Rd. 445 Comment
  SD152926  Micropus californicus Steve Boyd, Tim Ross 1992-5-4 7190 Riverside Southern Santa Ana Mountains, Oak Flats area east of Verdugo Potrero. 730 Comment
  CAS-BOT-BC348454  Micropus californicus var. californicus Steve Boyd 1992-4-14 6804 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Along Verdugo Trail from Tenaja Tr. to Bluewater Tr. in upper watershed of Bluewater Cyn, S of Sitton Pk. 853 Comment
  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
  RSA660502  Microseris douglasii subsp. douglasii A. C. Sanders, K. C. Rose 1998-5-21 21860 Riverside Hemet: alkaline flats west of town, E of the canal, S of Hwy 74 (Florida) and ca. 1/4 mi. W of Warren Rd. 457 Comment
  RSA359525  Microseris douglasii subsp. platycarpha Steve Boyd 1986-3-9 1387 Riverside Temescal Canyon: Alberhill Mt., south slope just east of claymine area 427 Comment
  UCR240988  Microseris douglasii subsp. platycarpha D. E. Bramlet 2011-4-16 4800 Riverside Perris-Aguanga Basin Region, West Hemet Hills, 1.15 km east of Winchester Road, 460 m north of Stowe Road 467 Comment
  RSA0013705  Microsteris gracilis LeRoy Gross, Grace Cho 2013-4-9 6001 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  RSA0018784  Mimetanthe pilosa Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  UC943893  Mimulus H. E. McMinn and M. Van Rensselaer 1945-6-7 1896 Riverside along Indian Truck Trail east side of Santa Ana Mts. 960 Comment
  JOTR30253  Mimulus aurantiacus Leary, C. and Leary, Pat 1979-5-6 3024 Riverside Joshua Tree National Park. Barker Dam, Joshua Tree National Monument, T2S R8E sec 4 Comment
  POM8484  Mimulus aurantiacus var. pubescens I. M. Johnston 1920-5-8 2294 Riverside Butte west of Lakeview. 610 Comment
  UCSB23998  Mimulus aurantiacus var. pubescens Shaw, Merrilee 1964-4-4 Riverside Highway 74; 1.7 miles west of Grand Avenue on the west shore; Lake Elsinore Comment
  POM33  Mimulus aurantiacus var. puniceus O. W. Robinson 1916-3-28 s.n. Riverside Miller's Canyon, Murrieta. Comment
  RSA114665  Mimulus aurantiacus var. puniceus Verne Grant 1955-6-1 9608 Riverside Ortega Summit of Santa Ana Mts. Chaparral, recently burned. 811 Comment
  RSA19934  Mimulus aurantiacus var. puniceus I. W. Clokey 1930-4-15 4728 Riverside Perris to Gavalian Peak 600 Comment
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Nov 8 2011
  RSA82107  Mimulus aurantiacus var. puniceus F. W. Peirson 1925-5-20 6014 Riverside 1 mile northwest of Dripping Spring, east of Temecula. 457 Comment
  UCR251705  Mimulus aurantiacus var. puniceus T. B. Salvato, Mike Landers 2013-3-21 7412 Riverside Perris-Aguanga Basin, Murrieta, at the northwest corner of the intersection of Baxter Road and Menifee Road 453 Comment
  RSA0030785  Mimulus aurantiacus var. puniceus N. C. Cooper 1944-6-4 1321 Riverside Elsinore Mountain. Lookout at top. 1067 Comment
  SEINET3005076  Mimulus bigelovii G. Rink 2011-5-1 10514 Riverside North side of the Chuckawalla Mountains near Chuckawalla Spring 505 Comment
  UCR86864  Mimulus bigelovii A. C. Sanders, K. C. Rose 1995-4-27 16745 Riverside Sonoran (Colorado) Desert, Coachella Valley, foot of the Little San Bernardino Mtns., canyon east of Fan Hill, just outside Joshua Tree Nat. Park 549 Comment
  JOTR32912  Mimulus bigelovii var. bigelovii La Doux, Tasha, Jim Andre 2009-2-28 353 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; along Berdoo Canyon Rd, approx. 0.8mi north of JTNP boundary, approx. 3mi north of Dillon Rd. 631 Comment
  RSA27934  Mimulus bigelovii var. bigelovii C. L. Hitchcock 1940-3-29 5857 Riverside Cottonwood Canyon, ca. 100 yards east of Spring. Comment
  RSA535794  Mimulus bigelovii var. bigelovii David M. Thompson 1988-3-4 823 Riverside 1.6 ESE of I-10 interchange at Desert Center along dirt road parallel to I-20 (S side of freeway), not far beyond, E of the Desert Center Pumping Station. 82 Comment
  RSA703474  Mimulus bigelovii var. bigelovii LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda L. Worlow 2005-2-17 1417 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  UC1979601  Mimulus clevelandii D. L Banks, Steve Boyd 1995-5-17 0460 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. Comment
  RSA297748  Mimulus diffusus Barbara J. Ertter, J. Strachan 1979-6-26 2975 Riverside Kenworthy Forest Station on Route/ Highway 74 in Garner Valley, San Jacinto Mountains. Comment
  RSA430184  Mimulus diffusus N. C. Cooper 1949-6-6 2002 Riverside San Jacinto Mts. above Pine Cove 2073 Comment
  RSA561064  Mimulus diffusus Tim S. Ross 1993-5-12 7349 Riverside Southern Santa Ana Mountains, San Mateo County Wilderness area. San Mateo Canyon,, along stream bed and adjacent to benches and lower slopes from confluence with Los Alamos Canyon downstream to confluence with Tenaja Canyon. 365 Comment
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Dec 5 2014
  RSA583720  Mimulus diffusus Steve Boyd 1995-4-24 8475 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on northern flank of Agua Tibia Mountain at the north base of Wildhorse Peak, along the Wildhorse Trail near its junction with the Dripping Springs Trail. 610 Comment
  RSA583739  Mimulus floribundus Steve Boyd 1995-4-24 8492 Riverside Palomar Range, Agua Tibia Wilderness Area, northeastern base of Wildhorse Peak, west of Devil's Hole, along Wildhorse Trail near the rounded gabbro peak known as 'Agua'. 762 Comment
  RSA680492  Mimulus floribundus Scott D. White, Michael Honer, Dylan Hannon 2003-6-24 9599 Riverside Near Rainbow Valley: Mountains west of I-15 Freeway and immediately north of San Diego County boundary. 335 Comment
  UCR110924  Mimulus fremontii A. C. Sanders, Mitch Provance 1998-6-18 21985 Riverside Peninsular Range; San Jacinto Mtns., along Hwy 243 between Pine Cove and Stone Creek, c. 1 km north of Pine Cove 1860 Comment
  POM10952  Mimulus guttatus P. A. Munz, I. M. Johnston 1922-5-21 5529 Riverside 2 mi. above Thomas Ranch, Thomas Valley. 1463 Comment
  UCR167822  Mimulus guttatus T. B. Salvato, Melissa Clemons 2005-6-2 1347 Riverside Peninsular Range; Temescal Valley, Gavilan Hills, c. 0.5 mi SE of Steele Peak, 4 miles SW of Perris, and 6 miles NNE of Lake Elsinore, NW of Hwy 74 610 Comment
  UCR19720  Mimulus pilosus H. A. Zuill 1966-6-5 205 Riverside Santa Ana Mtns., San Mateo Canyon c. 13 mi SW of Murrieta Comment
  UCR84649  Mimulus pilosus Scott D. White, S. Ogg 1994-4-21 1960 Riverside San Bernardino Mountains, Millard Canyon, near stream crossing with US Forest Service Road 2S05, about 4 mi south of Bear Wallow Spring 915 Comment
  JOTR35373  Mirabilis albida Wheeler, Mark 2011-10-20 s.n. Riverside Joshua Tree National Park. trail from Key's View to Inspiration Point 1620 Comment
  JOTR30299  Mirabilis bigelovii var. bigelovii La Doux, Tasha, Jim Andre 2007-9-6 133 Riverside Joshua Tree National Park. On dirt road to Lost Horse Ranger Station, below Hemingway Buttress 1236 Comment
  CAS-BOT-BC434689  Mirabilis laevis var. crassifolia Marian L. Campbell 1921-3-19 58 Riverside Banning to Palm Springs Comment
  RSA0027991  Mirabilis laevis var. crassifolia Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4085 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  SD119893  Mirabilis laevis var. crassifolia Louis B. Ziegler 1978-3-28 580 Riverside San Jacinto Valley. 456 Comment
  SD143816  Mirabilis laevis var. crassifolia A. C. Sanders, G. Waines, et al. 1997-3-12 19886 Riverside Lake Skinner area; lower Rawson Canyon, northeast of the lake and southwest of Black Mountain. 518 Comment
  JEPS99941  Mirabilis laevis var. retrorsa Rimo Bacigalupi and P. C. Hutchison, L. Heckard 1962-3-23 8362 Riverside Lower end of Morongo Wash, 1.9 miles SW of the San Bernardino County line 609 Comment
  SBBG28427  Mirabilis laevis var. villosa D. Myrick 1964-4-30 832 Riverside Palms to Pines (St Hwy 74), 10 mi W of Palm Desert 1066 Comment
  SFV20157  Mirabilis multiflora var. pubescens J. N. Hogue, S. G. Hogue, J. M. Wrublik 2005-9-5 263 .4 Riverside Santa Rosa Mountains Santa Rosa Mountain Truck Trail (=USFS Road 7S02). 0.7 miles from Highway 74. 1500 Comment
  UCR237944  Mirabilis multiflora var. pubescens Mark A. Elvin 2004-6-2 3503 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
  CHSC1081  Mirabilis tenuiloba V. Holt 1942-3-27 Riverside Santa Rosa mountains. Comment
  UCR263510  Mohavea confertiflora Aaron C. Sedgwick, Brett Griffin 2012-3-28 031 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road. c. 6 miles south of Hwy I-10 323 Comment
  UC1995357  Monardella australis subsp. australis Elizabeth McClintock 1940-9-2 Riverside Round Valley San Jacinto Mts. Comment
  CAS-BOT-BC220026  Monardella breweri subsp. lanceolata Carl B. Wolf 1932-8-4 3914 Riverside San Jacinto Mts. Point View, near Idyllwild 1645 Comment
  RSA180383  Monardella lanceolata var. lanceolata E. W. Lathrop 1960-6-9 4944 Riverside 14 miles west of Murrieta. 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
  LA57200  Monardella nana Carl Epling; L. Haines 1937-5-7 sn Riverside about 3 mi W of Pinon Flats, Pines to Palms Hwy Comment
  POM307236  Monardella nana subsp. arida Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2112 Riverside Santa Rosa Mountains. Comment
  RSA750416  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 55 Riverside Road to Santa Rosa Mt. 0.1 miles from Pines to Palms Highway. Comment
  CLARK-A1528-1334  Monardella nana subsp. tenuiflora Frank C. Vasek 1979-7-26 77907260- 2 a Riverside Santa Rosa Mountains Comment
  UCR221469  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-22 130 Riverside Peninsular Range; San Jacinto Mtns., on slope south of Strawberry Creek, and west of Domengonio [Domenigoni] Flats [vicinity of West Ridge, near Camp Emerson & USC Idyllwild campus] 1646 Comment
  UC1069982  Monoptilon bellioides H. S. Yates 1937-3-24 6455 Riverside Deep Canyon Thermal Quadrangle Comment
  UC1287113  Monoptilon bellioides C. L. Hitchcock 1966-3-20 24306 Riverside 20 mi n Ogilby (along road to Blythe) Comment
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Mar 2 2013
  UCR167251  Monoptilon bellioides John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  POM13812  Montia fontana P. A. Munz 1922-5-21 5521 Riverside Hemet Valley, San Jacinto Mts 1387 Comment
  RSA777314  Muhlenbergia asperifolia Michael Wall 2010-9-9 592 Riverside Bautista Canyon east of Hemet; ca. 8 miles southeast of junction with Fairview Avenue, shaded narrow part of the canyon. 760 Comment
  RSA719787  Muhlenbergia filiformis Naomi Fraga, Ilene Anderson, Mike Hamilton, Michael Wall, Gary Wallace 2006-9-7 1773 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  UCR138613  Muhlenbergia filiformis L. C. Wheeler 1961-6-24 7908 Riverside San Jacinto Mountains, Fulmor Lake Comment
  CLARK-A1528-4755  Muhlenbergia microsperma John C. Roos 1937-5-1 1406 Riverside La Sierra Comment
  JOTR33738  Muhlenbergia microsperma La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2737 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Exposed aplite vein forming a prominent rib line with loose, cobble slope surrounding it (Stop 3) Comment
  RSA0120999  Muhlenbergia microsperma Duncan S. Bell, LeRoy Gross 2016-3-8 8834 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of the range; approximately 1.5 air miles north of the Bradshaw Trail. 417 Comment
  UC1584117  Muhlenbergia microsperma Steve Boyd, Tim Ross, and Laurel Arnseth 1990-3-29 3840 Riverside cinder cone ridge at n side mouth of Temecula Creek Cyn (and adjacent benches on s flank of 'Big' Oak Mtn.); Vail Lake area 396 Comment
  UC2015685  Muhlenbergia microsperma A. C. Sanders, G. Helmkamp, P. MacKay, et al. 1995-3-1 16182 Riverside Coachella Valley/San Jacinto Mtns. foothills: Chino Canyon near the Palm Springs tram station. 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
  SEINET10468382  Muhlenbergia richardsonis A. K. Evans 1976-4-13 Evans 5132 Riverside Desert canyons of Santa Rosa Mountains. Comment
  RSA144246  Muhlenbergia rigens William McKinley Klein 1960-8-22 1584 Riverside North of Idyllwild along trail to Suicide Rock and Mt. San Jacinto, San Jacinto Mountains. Comment
  UCD87077  Muhlenbergia rigens Peter Kamb 1948-10-21 1275 Riverside Hall Canyon. San Jacinto Mts. 1645 Comment
  UCR2566  Muhlenbergia rigens F. M. Reed 1934-9-26 8955 Riverside San Jacinto Mtns., Herkey Creek camp 1341 Comment
  RSA652083  Muilla maritima Marion P. Harthill 1972-5-6 sn Riverside Rancho. 762 Comment
  UCR42546  Muilla maritima B. G. Pitzer 1986-4-26 0182 Riverside San Bernardino Mtns., Whitewater Canyon, c. 4.5 mi. north of Hwy I-10 on Whitewater Canyon Road 734 Comment
  CAS-BOT-BC515558  Muilla maritima H. M. Hall 1899-5-1 1138 Riverside Southern California, San Jacinto Mountains, Ken Wortity Station 1524 Comment
  SBBG270  Myriopteris parryi H. and M. Dearing 1936-12-26 2931 Riverside wash near bottom of Palms and Pines Hwy Comment
  RSA719037  Nama hispida Michael Honer 2005-3-11 2063 Riverside Rice Valley; 4.5 mi. SSE of Rice; 1.5 mi. E of ATSF railway. 220 Comment
  SEINET5520870  Nama hispida H. M. Hall 5886 Riverside Colorado Desert. Chuckawalla Bench. Comment
  RSA0030701  Nama hispida var. spathulata Jim Andre 2013-3-27 24792 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). 242 Comment
  RSA0040072  Nama hispida var. spathulata Jim Andre 2014-1-27 26661 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  RSA741057  Nassella cernua Scott D. White, Justin M. Wood 2008-6-5 12064 Riverside Quinn Flat Meadow. 1372 Comment
  UCD88096  Nassella cernua Elizabeth Wilson 1940-4-2 s.n. Riverside Riverside Counrty: Riverside. South Banning, road to Palm Springs. Comment
  RSA653407  Nassella lepida Mitch Provance, J. Ross 1999-4-1 1735 Riverside Jurupa Mountains: Rocky ridges ca. 0.5 km E of peak 1437 in the W portion of the Jurupa Mountains. 411 Comment
  JEPS8950  Navarretia atractyloides Rimo Bacigalupi with G. T. Robbins 1954-5-16 4470 Riverside 0.5 mi n Sage (1.5 mi s of junction of road to Red Mountain, along road from Hemet to Sage (Calif Hwy 179)) 762 Comment
  RSA660533  Navarretia atractyloides Orlando Mistretta 1992-6-10 527 Riverside Peninsular Ranges: (Cleveland National Forest) Along old road coming off 3504 W of Sierra Peak. Head of road. Comment
  UCR115940  Navarretia atractyloides Mitch Provance 1998-6-11 677 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville; housing development now known as Southridge 320 Comment
  RSA623558  Navarretia fossalis R. E. Riefner 1998-7-10 98 -415 Riverside Menifee Valley Comment
  RSA645879  Navarretia fossalis Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley: along I-215 between 4th St. (Perris) and approximately 0.25 miles S of the San Jacinto River. 429 Comment
  CLARK-A1528-5380  Nemacladus longiflorus var. breviflorus John C. Roos 1937-4-18 1795 Riverside Snow Creek 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
  CLARK-A1045-303  Nemacladus pinnatifidus George K. Helmkamp 1977-3-20 Riverside Deep Canyon Pinyon Pines area; ; ; Palm Desert 15'Q 1066 Comment
  RSA586485A  Nemacladus ramosissimus D. L. Banks, S. D. Boyd 1995-5-9 0342 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  UC130503  Nemacladus ramosissimus Mrs. C. M. Wilder 1909-7-15 967 Riverside Hemet Dam; San Jacinto Mts. Comment
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Mar 25 2011
  UCR116405  Nemacladus ramosissimus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24190 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
  SD46094  Nemacladus tenuis var. aliformis Herbert L. Mason 1952-4-7 14211 Riverside Palm Springs, Palm Canyon Comment
  UCR90743  Nemophila menziesii Scott D. White 1995-4-5 2758 Riverside Perris Valley, Lakeview Mountains; SW of Juniper Flat Road 579 Comment
  JOTR31049  Nemophila menziesii var. integrifolia La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2032 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
  POM13998  Nemophila menziesii var. integrifolia E. C. Jaeger 1921-6-17 934 Riverside San Jacinto Mtns, Below Greggs Ranch Comment
  UCD126624  Nicandra physalodes W. W. Winslow Date Unknown s.n. Riverside Ag. Ex. Serv., Riverside. Comment
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Mar 15 2014
  UCR20745  Nicotiana glauca A. C. Sanders, Steve Boyd 1980-5-2 1441 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR2914  Nicotiana glauca Nancy Atha 1963-3-24 32463- 8 Riverside Upper Santa Ana River/San Bernardino Valley region, Riverside, NW side of [Quarry Hill] at the corner of Madison St. and Victoria Ave 335 Comment
  JOTR34018  Nicotiana obtusifolia La Doux, Tasha, M. Harding 2010-4-7 2905 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  RSA426707  Nicotiana obtusifolia Christopher Davidson 1979-4-4 7704 Riverside Orocopia Mts., lower end of Box Canyon on Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  RSA614565  Nicotiana obtusifolia George K. Helmkamp, E. A. Helmkamp 1998-2-5 2665 Riverside 3.2 mi. N of jct of Thousand Palms Canyon Rd and Dillon Rd. 457 Comment
  RSA644222  Nicotiana obtusifolia Victor W. Steinmann, P. I. Moscosa, T. S. Ross 1998-4-14 1362 Riverside Orocopia Mountains, 1.5 km southwest of the Hayfield exit of I-10; ca. 600 m. Along a small wash on north-facing slope. 183 Comment
  RSA796828  Nicotiana obtusifolia Jim Andre 2012-4-11 20776 Riverside Joshua Tree National Park; NW Eagle Mountains, along dirt road to Black Eagle Mine, 0.7 miles east of road to Cottonwood Spring (Utah Trail), 34 miles south of Highway 62 at 29 Palms. 730 Comment
  UCR41350  Nicotiana obtusifolia N. M. Fellows, A. C. Sanders 1985-5-7 162 Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  RSA0018752  Nicotiana obtusifolia L. S. Rose 1967-12-19 s.n. Riverside La Quinta. 15 Comment
  UCR116958  Nicotiana quadrivalvis A. C. Sanders, T. B. Salvato 2001-5-3 24111 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR183019  Nicotiana quadrivalvis Mitch Provance 2003-5-5 4427 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  UCR120327  Nierembergia frutescens Mitch Provance 1998-7-23 931 Riverside Jurupa Mountains, Sunnyslope area, c. 0.5 mile east of 34th St. and Armstrong Road 274 Comment
  UCSB24718  Nolina parryi Rieser, R. 1966-5-15 Riverside Pinyon Flats Campground on south side of road 9.0 miles southeast from junction with road to Anza Comment
  RSA703432  Notholaena californica A. C. Sanders, O. F. Clarke, P. Mackay, S. White, C. L. Sanders 1994-11-27 15869 Riverside Palm Canyon, from Hermit's Bench upstream to just beyond the confluence with East Fork. 300 Comment
  POM9801  Notholaena californica subsp. californica P. A. Munz 1922-07 4704 Riverside Andreas Canyon. Comment
  RSA146298  Oenothera californica subsp. californica William M. Klein, R. K. Benjamin 1960-3-22 1302 Riverside Along California State Hwy 74 approximatley 12 miles east of the junction of the Aguanga-Anza road. Comment
  UCR107757  Oenothera californica subsp. californica D. L. Banks 1997-5-5 1973 Riverside NW Palomar Mtns, Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pachanga Creek. east of where road crosses to southern bank of south fork of Pechanga Creek. 482 Comment
  LA206160  Oenothera deltoides A. M. Johnson; 1933-2-22 4172 Riverside E of Cook's Ranch, 4 mi. NW of Indian Wells Comment
  SD48535  Oenothera deltoides P. C. Everett, E. K. Balls 1958-4-29 23025 Riverside 5.3 miles northeast along road from Desert Center to Rice and Vidal Junction. 800 Comment
  UC68520  Oenothera deltoides subsp. deltoides H. M. Hall Apr. 1905 5926 Riverside MyCoy Wash Colorado Desert 91 Comment
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Sep 5 2011
  SEINET5345712  Oenothera deltoides var. deltoides H. M. Hall 1905-1 5926 Riverside Colorado Desert, McCoy Wash 91 Comment
  CAS-BOT-BC427469  Oligomeris linifolia L. A. Greata 1905-1-1 490 Riverside Coachella Comment
  JOTR35044  Oligomeris linifolia La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3497 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
  RSA709899  Oligomeris linifolia Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4601 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UCR110451  Oligomeris linifolia D. E. Bramlet, D. Bradney 1990-6-21 2043 Riverside Peninsular Range, Vail Lake peninsula, a portion of the ridgeline between Kolb and Temecula Creeks. The site is approximately 805m northwest of the marina and on the northeast edge of the peninsula. 476 Comment
  POM48449  Olneya tesota Philip A. Munz, D. D. Keck 1925-3-7 9345 Riverside Painted Canyon, Mecca. Comment
  UCR265202  Olneya tesota April Garbat, Kristin Forgrave 2013-5-29 76 Riverside Sonoran (Colorado) Desert, along Box Canyon Road from Cottonwood Springs Road to Mecca 305 Comment
  POM348472  Olneya tesota Anstruther Davidson 1928-5-31 s.n. Riverside Near Stavers Mill. [sic] [Shavers Well?] Comment
  UCR234325  Oncosiphon piluliferum A. C. Sanders, John F. Green 2012-4-6 40005 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, along old (c. 1926) Corona-Elsinore RR route, between I-15 and Temescal Cyn. Rd., c. 10 miles south of Corona, SE of mouth of Mayhew Cyn. 325 Comment
  SEINET4391068 Image available Opuntia basilaris Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4635 Riverside Along Palen Pass Road, near Packard Well, S. end of Granite Mountains. 502 Comment
  SEINET9037747 Image available Opuntia basilaris var. basilaris M. A. Baker 2015-1 18307 Riverside San Gorgonio Pass, south base of the San Bernardino Mountains, 17.5km NW of Palm Springs 413 Comment
  UC403460  Opuntia echinocarpa P. A. Munz 1921-5-1 4487 Riverside near Pinon Wells (s edge of desert); Mojave Desert 1219 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
  RSA775262  Opuntia littoralis var. littoralis Michael Wall 2010-9-10 593 Riverside Bautista Creek off Bautista Canyon Road, ca. 6.6 miles SE of junction with Fairview Avenue. 751 Comment
  RSA7220  Opuntia phaeacantha B. D. Stark 1932-6-5 1510 Riverside Palms to Pines Road, San Jacinto Mountains. 1067 Comment
  POM306431  Opuntia polyacantha var. erinacea Scott Haselton 1962-12-28 s.n. Riverside Palms-to-Pines Hwy, east side; San Jacinto Mts. 1220 Comment
  CHSC14089  Orcuttia californica N. Hogg 1969-4-30 Riverside Mesa de Burro; ca. 4 miles w of Murrietta; on the bottom of a 'cattle tank,' ne portion of the mesa. Comment
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Apr 3 2011
  HSC84099  Orcuttia californica R. F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47312 Riverside Rancho California, Mesa de Burro. Santa Rosa Plateau 610 Comment
  SD28121  Oreostemma alpigenum var. andersonii Carl B. Wolf 1932-8-5 3953 Riverside San Jacinto Mountains, On trail from Tahquitz Valley to San Jacinto Peak. 2745 Comment
  RSA0077936  Orobanche bulbosa Steve Boyd, C. Boyd, K. Boyd, Richard Noyes, Laurel Arnseth 1988-5-28 2301 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest. 1500 Comment
  SBBG68734  Orobanche cooperi E. C. Jaeger 1926-2-1 Riverside Salt Crk Wash, near Dos Palmos Comment
  UCR241503  Orobanche cooperi A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40632 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit 410 Comment
  UCR35209  Orobanche fasciculata L. B. Ziegler 1968-5-22 299 Riverside San Jacinto Mtns, Hemet Valley in the lower side canyons 1402 Comment
  CAS-BOT-BC500138  Orobanche fasciculata S. B. Parish; W. F. Parish 1881-8-1 488 Riverside San Jacinto Mt. Comment
  RSA648279  Orthocarpus purpurascens var. purpurascens Margaret Murphy 1983-4-15 0014 -A Riverside located in the north section of [parcel] 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  SEINET3129689  Oryzopsis hymenoides S. B. Parish 1907-4-24 6143 Riverside Western border of the Colorado desert 450 Comment
  RSA0034673  Oryzopsis hymenoides Norman C. Cooper 1945-3-24 1615 Riverside Cabazon. 457 Comment
  SEINET4208826  Osmadenia tenella Steve Boyd, Tim Ross 1992-6-10 7626 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about 'Potrero Escondido', an isolated area of low relief topping the ridge system due west of the junction of Tenaja Road (7S01) and Los Alamos Road (&S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek.; 0 671 Comment
  UC64191  Osmorhiza brachypoda H. M. Hall 1898-4-9 886 Riverside Temescal Comment
  UCR176682  Oxalis corniculata G. S. Nuessly 1980-10-14 s.n. Riverside Riverside: U.C. Riverside campus, near greenhouses 305 Comment
  POM48935  Oxytheca caryophylloides P. A. Munz 1924-7-19 8854 Riverside burn 6 mi SE of Poppet Flat. San Jacinto Mts. 1524 Comment
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Oct 17 2008
  RSA189  Oxytheca trilobata J. T. Howell 1928-7-8 1047 Riverside Santa Ana Mountains above Glen Ivy 1220 Comment
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Jun 22 2019
  UCR214561  Palafoxia arida var. arida A. C. Sanders 2010-3-15 37411 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  NY43273  Palafoxia linearis var. linearis C. R. Annable 1995-3-16 2299 Riverside Ca. 13km NE of Desert Center, on Hwy 177 Comment
  UCR2613  Panicum miliaceum F. M. Reed 1910-10-14 3112 Riverside Riverside: margin of cultivated orchard, Bundy Lot 305 Comment
  RSA445558  Papaver somniferum Gale Sphon 1955-5-7 s.n. Riverside 3 miles W of Lake Elsinore. Comment
  UCR261190  Parkinsonia aculeata A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-5-18 41720 Riverside Esinore, large vacant lot NW of Hwy 74 and SW of the intersection of 74 and Collier Ave. 386 Comment
  SEINET13711433  Parkinsonia aculeata J. Adams, J. Adams (Botany) 1965-1 211 Riverside N Part of Palm Springs, on Hwy 111, 800 Ft 244 Comment
  RSA0039600  Parkinsonia florida Deidre Conocchioli, Duncan S. Bell 2014-3-11 151 B Riverside Devil Canyon in the Santa Rosa Wilderness area. W of Coachella Valley, 3 miles S of Lake Cahuilla. 110 Comment
  RSA699171  Parosela schottii Mary Edmunds 1932-3-26 s.n. Riverside Oasis-Coachella Valley. Comment
  RSA0054939  Parosela spinosa Keith E. Hoffmaster 1937-6-6 815 Riverside Palms to Pines Highway, desert end. Comment
  UCR92095  Paspalum distichum Scott D. White, S. Ogg 1994-10-17 2486 Riverside Temecula Valley, Temecula, Murrieta Creek channel, 1000 ft. north of bridge at Rancho California Ave. 311 Comment
  UCD88694  Paspalum notatum Leslie L. Ede 1972-8-1 s.n. Riverside Blythe. Comment
  JOTR30074  Pectis papposa var. papposa La Doux, Tasha, Bill Truesdell 2006-10-3 1717 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 Comment
  UCR274821  Pectis papposa var. papposa Stephanie Rockwood, Christi Gabriel 2011-10-18 106 Riverside Sonoran (Colorado) Desert, east side of the West Riverside Mountains, Hwy 62 to NS857, Radio Tower Road, to NS853, Vidal Valley 348 Comment
  UC64423  Pectocarya anisocarpa H. M. Hall 1897-3-23 398 Riverside Winchester Comment
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Mar 20 2011
  JEPS68184  Pectocarya heterocarpa W. L. Jepson 1927-4-12 11647 Riverside Mecca Hills, Painted Canyon 76 Comment
  UCR214423  Pectocarya heterocarpa A. C. Sanders, Richard Dwerlkotte 2010-3-22 37508 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 2 mi. SE of Sidewinder Well, south of Palen Dry Lake, SW of Palen Mtns. 142 Comment
  SEINET12801743  Pectocarya linearis A. C. Sanders, T. B. Salvato, Mitch Provance 2003-1 25838 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns. Hill SW of the Jensen Quarry, NW of Sunnyslope; Alt: 366-421m/1200-1380ft. 307 Comment
  POM12230  Pectocarya penicillata Mary F. Spencer 1921-4-16 s.n. Riverside Banning 701 Comment
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Mar 13 2011
  UCR211817  Pectocarya peninsularis Valerie Soza, J. M. Porter, G. D. Wallace 2001-4-2 1081 Riverside Transverse Ranges, Little San Bernardino Mountains, Big Morongo Wash 473 Comment
  JOTR28813  Pectocarya recurvata La Doux, Tasha 2005-2-7 1081 Riverside Joshua Tree National Park. Above Hayfield Dry Lake 553 Comment
  UCR174086  Pectocarya recurvata A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32548 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 488 Comment
  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
  POM13012  Pectocarya setosa P. A. Munz, I. M. Johnston 1922-5-19 5440 Riverside Garner Ranch, Hemet Valley in San Jacinto Mountains. 1372 Comment
  UC1979662  Pedicularis densiflora Darin L. Banks, Steve Boyd 1995-3-15 60 Riverside NW Palomar Mtns., Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., DorlandMtn. area. Comment
  RSA0120313  Pellaea andromedifolia Duncan S. Bell 2016-4-16 9314 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  POM120722  Pellaea andromedifolia var. andromedifolia Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  CAS-BOT-BC71401  Pellaea mucronata Annie M. Alexander; Louise Kellogg 1941-3-23 1993 Riverside Tahquitz Canyon, Palm Springs 170 Comment
  JOTR16828  Pellaea mucronata var. mucronata Supernaugh, William JR. 1967-2-16 59 Riverside Joshua Tree National Park. 1/4 MILE WEST OF IVANPAH TANK 1316 Comment
  RSA25155  Pellaea mucronata var. mucronata C. L. Hitchcock 1940-4-12 6043 Riverside 8 mi. northwest of Elsinore 457 Comment
  RSA34556  Pellaea mucronata var. mucronata Norman C. Cooper 1944-6-17 1426 Riverside San Jacinto Mountains: above Banning 1372 Comment
  RSA770702  Pellaea mucronata var. mucronata Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4804 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR245888  Pennisetum setaceum R. F. Thorne 1995-3-29 63028 Riverside Transverse Range; San Bernardino Mtns., Whitewater Canyon 600 Comment
  POM305715  Penstemon X parishii Henry J. Ramsey, Henry J. Ramsey 1939-4-22 1024 Riverside Hemet-Anza, Bautista Creek Road. Comment
  NY583822  Penstemon centranthifolius R. M. Straw 1953-6-23 472 Riverside North of Fulmor Lake, Idyllwild to Banning Road, San Jacinto Mountains Comment
  POM12969  Penstemon centranthifolius Philip A. Munz, I. M. Johnston 1922-5-21 5538 Riverside Hemet Valley, San Jacinto Mts 1402 Comment
  UCSB47315  Penstemon centranthifolius Hibbard, Doug 1977-5-6 Riverside north west side of Hwy 74; 11.8 mi up from its intersection with Hwy 111 1036 Comment
  JEPS3819  Penstemon clevelandii var. connatus Marjorie D. Clary 1934-4-23 Riverside Vandeventer Flats Santa Rosa Mts., Vandeventer Flats 1219 Comment
  RSA402125  Penstemon labrosus Christopher Davidson 1978-6-15 7386 Riverside Santa Rosa Mountains. Santa Rosa Peak. Trail to the top. 2409 Comment
  RSA0014853  Penstemon rostriflorus C. W. Tilforth, John Dourley 1970-9-2 305 Riverside Along road to Santa Rosa Mountain. Comment
  SEINET10701942  Penstemon spectabilis Tracy Scott, Andrew Townesmith; Karen M. Meyer 2007-3-18 Scott 134 Riverside San Bernardino National Forest. 1.0 mi. up Little Thomas Mountain Rd. (Forest Road 6S13) just S of Lake Hemet from Rt. 74. 1409 Comment
  UCR174558  Penstemon spectabilis Thi (Teresa) Bui, Jennifer H. Jones and Holly Summers 2006-5-31 324 Riverside Peninsular Ranges; San Jacinto Mtns., Calif. Hwy 243 at turnout next to Soboba Penny Pines Plantation (c. 0.25 mi. above Bay Tree Spring) 1601 Comment
  NY661162  Penstemon spectabilis var. spectabilis G. T. Hastings 1941-4-26 s.n. Riverside Near Sage-south of Hemet Comment
  UCR122542  Pentachaeta aurea George K. Helmkamp, E. A. Helmkamp 2001-5-20 6672 Riverside San Jacinto Mountains., Apple Canyon Rd, 1.5 mi NE of CA-74 1463 Comment
  CAS-BOT-BC77495  Peritoma arborea var. angustata R. Bacigalupi 87 Riverside Canyon Springs Comment
  RSA0118595  Perityle emoryi Sarah J. J. De Groot, Cheryl Sevilla 2016-3-16 7646 Riverside Mecca Hills: hills around Shaver's Well, along Box Canyon Road; south edge of Shaver's Valley, east-northeast of Mecca. 294 Comment
  RSA305912  Perityle emoryi Fay A. MacFadden 1940-3-17 15304 Riverside Rd from Twentynine Palms to Indio, about half way, San Bernardino Mts. Riverside Co. Comment
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Oct 16 2011
  RSA554429  Perityle emoryi Theo Glenn 1991-5-30 91 -116 Riverside Mule Mtns, 0.2 mi. E of the Opal Hill Mine, just N of the Imperial County line and W of Palo Verde. Comment
  RSA651715  Perityle emoryi Viki Cruz 1983-5-8 006 *k Riverside Collected on a slope in between some large rocks about three-quarter mile into Magnesia Canyon, Santa Rosa Mts. Comment
  RSA690985  Perityle emoryi Scott D. White, Michael Honer 2003-5-14 9303 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  UC708744  Perityle emoryi H. K. Wagnon 1944-5-25 397 Riverside n side near falls Tahquitz Canyon; Palm Springs Comment
  UCR202042  Perityle emoryi Denise Woodard 1998-6-11 s.n. Riverside Sonoran (Colorado) Desert, base of Santa Rosa Mtns. at mouth of Cathedral Canyon, border between Rancho Mirage and Cathedral City, site of proposed Ritz-Carlton Rancho Mirage/ Cathedral Canyon Golf Course 305 Comment
  UCR263647  Perityle emoryi Aaron C. Sedgwick, Brett Griffin 2012-3-28 027 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road. c. 6 miles south of Hwy I-10 323 Comment
  CAS-BOT-BC326770  Peucephyllum schottii Peter H. Raven 1958-3-15 11831 Riverside Painted Canyon near Mecca Comment
  POM14297  Peucephyllum schottii P. A. Munz, D. D. Keck 1922-4-9 4810 Riverside South base of Eagle Mtns. 183 Comment
  UCR167447  Peucephyllum schottii John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  UCR233172A  Peucephyllum schottii Jim Andre, Glenn L. Clifton 2011-2-22 17439 Riverside Mecca Hills, along Box Canyon Road, 8.5 mi northeast of town of Mecca 171 Comment
  UCR91557  Peucephyllum schottii A. C. Sanders, L. Lubinsky, A. Knapp, P. J. MacKay, C. L. Sanders 1995-2-12 15923 Riverside Sonoran (Colorado) Desert, Coachella Valley, mouth of Fargo Canyon, Litthe San Bernardino mtns., 1.2 mi. above junction with Aqueduct Road. 367 Comment
  UC667339  Phacelia affinis Annie M. Alexander and Louise Kellogg 1941-5-5 2123 Riverside Lost Horse Valley Joshua Tree National Monument 1280 Comment
  POM3797  Phacelia ambigua Louis Greata 1905-04 s.n. Riverside Coachella Colorado Desert. Comment
  RSA166215  Phacelia ambigua Donald Myrick 1964-3-26 789 Riverside Joshua Tree National Monument, 15 miles S of 29 Palms. 762 Comment
  RSA348924  Phacelia ambigua Robert F. Thorne, R. Rutherford 1964-4-12 33657 a Riverside 1 mile W of turnoff to Cottonwood Wells [Springs]. Larrea desert scrub along Hwy. 60-70. Comment
  RSA4892  Phacelia ambigua Carl B. Wolf 1932-4-27 3008 Riverside Colorado Desert, 17 miles E of Mecca on the Blythe road. 152 Comment
  RSA517240  Phacelia ambigua Steve Boyd, T. S. Elias, Erika Winter 1986-2-18 1327 Riverside Mecca Hills, Colorado Desert: Painted Canyon N of Highway 195. Comment
  RSA74172  Phacelia ambigua F. W. Peirson 1920-2-16 971 Riverside Palm Canyon Stream, Near foot of Alkali Canyon east of Palm Canyon, Riverside County. Comment
  CLARK-A1656-667  Phacelia bicolor Lois Ann Scott 1978-3-28 Riverside Joshua Tree National Park 1066 Comment
  JEPS1554  Phacelia brachyloba Marjorie D. Clary 1932-7-3 985 Riverside Vandeventer to Pinyon Flats; Santa Rosa Mts. 1371 Comment
  RSA586315  Phacelia brachyloba D. L. Banks, Steve Boyd 1995-5-3 226 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UCR138760  Phacelia brachyloba Scott D. White 1997-5-18 5169 Riverside San Jacinto Mtns., Northern Escarpment south of Banning: along Hwy 243, c. 5 road mi SE of Banning and 5 road mi NW of Vista Grande 1159 Comment
  CHSC707  Phacelia campanularia F. Hughes 1935-4-16 Riverside East of Indio, Colorado Desert. 30 Comment
  POM263071  Phacelia campanularia J. C. Roos 1937-4-18 678 Riverside Whitewater, Colorado Desert. Comment
  UC1069364  Phacelia campanularia H. S. Yates 1937-3-24 6476 Riverside near mouth of Deep Canyon; Thermal Quadrangle Comment
  UCR117619  Phacelia cicutaria var. hispida Scott D. White 1997-5-25 5245 B Riverside Peninsular Range; Perris Basin, Winchester Area: Hills south of Patton Ave. and west of Winchester Road, c. 2 air mi SW of the junction of Winchester Road and Simpson Avenue 549 Comment
  UCR174964  Phacelia cicutaria var. hispida Teresa Nieto 2005-4-24 23 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  SEINET4681879  Phacelia crenulata Steve Boyd, Tammy Morgan; Aydee Virgen; Sarah DeGroot; Valentin Arvizu; Tim Thibault 2004-5-14 11248 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Western base of the Chocolate Mountains, small canyon, about 1.25 miles due north of Imperial County line and about 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.; 0 Comment
  RSA795747  Phacelia crenulata var. ambigua Jim Andre 2012-3-19 21302 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
  SD241053  Phacelia crenulata var. minutiflora Dave Silverman, Onkar Singh 2010-3-27 7864 Riverside McCoy Wash, N of Palo Verde Mesa, 5.43 km W of Mesaville rairoad siding, 10 km N of I-19, and 13 km NW of Blythe. 139 Comment
  JOTR32041  Phacelia cryptantha La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2271 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; granite and basalt rocky slopes above bouldery draws feeding into Pleasant Valley (Stop 3) 1041 Comment
  UC667340  Phacelia cryptantha Annie M. Alexander and Louise Kellogg 1941-4-27 2098 Riverside Joshua Tree National Monument Joshua Tree National Monument (Riverside and San Bernardino Cos.) 1310 Comment
  UCR16830  Phacelia cryptantha Emily E. McGregor 1972-4-23 s.n. Riverside Badlands, along route 60, 3 mi. west of Jack Rabbit Trail Comment
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Jan 29 2007
  CSUSB934  Phacelia distans Charlotte M. Bringle 1967-4-2 B670402 2 Riverside City of Riverside, Mockingbird Canyon. Off Jackson Road. 0.2 mile past 1645 Jackson, in ravine on south side, about 1/4 mile out, between creek bed and dead trees. Previously, a lake covered the area. 350 Comment
  RSA428324A  Phacelia distans Bonnie C. Templeton 1930-4-9 1007 Riverside Palm Springs Station; Colorado Desert 400 Comment
  RSA49196  Phacelia distans P. A. Munz 1949-4-13 13047 Riverside above Cottonwood Springs, west end Eagle Mts. Colorado Desert 1098 Comment
  SD95164  Phacelia distans Sally Bonnett 1973-4-21 35 Riverside Pinon Flats campground between San Jacinto and Santa Rosa mountains on Highway 74 Comment
  UCR142201  Phacelia distans June Latting 1979-4-8 s.n. Riverside Box Springs Mountain 915 Comment
  UCR272903  Phacelia distans Duncan S. Bell, Amanda Bell, Evan Bell (in utero) 2012-1-28 3075 Riverside Mojave Desert, east side of the Arica Mountains, along the old RR tracks on the west side of Rice Valley, c. 6.25 air miles south of the ghost town of Rice 224 Comment
  UCR94238  Phacelia distans Scott D. White 1996-4-14 3902 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
  CLARK-A1703-28  Phacelia minor Cameron Duncan 1966-3-27 Riverside Woodcrest 548 Comment
  JEPS60184  Phacelia minor L. R. Heckard 1969-4-24 2161 Riverside hillside along Hwy 79 about 7 mi s Sage 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
  SEINET5501110 Image available Phacelia minor Tim Walker, Sally Walker 1995-5-30 Riverside 0.4 mi E of end of Rt 371 on Rt 74 1494 Comment
  SJSU11224  Phacelia minor G. B. Youngberg 1956-3-27 178 Riverside near La Serra College, Arlington 300 Comment
  UCR116967  Phacelia minor A. C. Sanders, T. B. Salvato 2001-5-3 24092 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR137491  Phacelia minor D. L. Banks, V. W. Steinmann 1997-3-13 1531 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
  UCR90752  Phacelia minor Scott D. White 1995-4-5 2736 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  RSA485840  Phacelia neglecta T. S. Elias 1988-2-26 10690 Riverside Northeastern section of Eagle Mtns east of Joshua Tree National Monument; growing in flat rocky area adjacent to boundary of Joshua Tree National Monument. Comment
  RSA74795  Phacelia pedicellata F. W. Peirson 1920-2-16 970 Riverside Palm Canyon Stream, Near foot of Alkali Canyon east of Palm Canyon, Riverside County. Comment
  UC107413  Phacelia ramosissima var. montereyensis C. C. Parry 1880-1 180 Riverside Temecula Comment
  UC1265368  Phalaris caroliniana Robert F. Thorne and Earl Lathrop 1969-5-12 37951 Riverside Santa Rosa Plateau Mesa de Colorado; , Mesa de Colorado 624 Comment
  UCR182090  Phalaris lemmonii Kristin Szabo 2002-1 126 Riverside Whittier Channel, SW edge of Hemet along Whittier Ave. east of Warren Rd., SW of trailer park and NW of airport 457 Comment
  CAS-BOT-BC250728  Phalaris paradoxa John C. Roos 1952-5-21 5702 Riverside San Jacinto river bottomland 1 1/2 miles southeast of Perris 426 Comment
  CAS-BOT-BC6931  Philadelphus microphyllus subsp. pumilus Harvey Monroe Hall 1901-7-1 2500 Riverside San Jacinto Mountains. vicinity of Tamarack Valley 2529 Comment
  JEPS49608  Philadelphus microphyllus var. stramineus Frank W. Peirson 1924-7-27 4991 Riverside Dark Canyon, Mt. San Jacinto. 2286 Comment
  UCR110970  Phlox austromontana George K. Helmkamp 1998-6-27 4107 Riverside Santa Rosa Mtns., 5.8 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), below Mountain Home Spring 1799 Comment
  RSA697746  Pholistoma membranaceum J. R. Bruff 1927-3-13 2 -E Riverside Fingal. Comment
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Aug 25 2012
  UC24018  Pholistoma membranaceum Samuel B. Parish Mar 1883 Riverside Colorado Desert, Cabezon Comment
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Jul 15 2009
  UCR84882  Pholistoma membranaceum A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16119 Riverside Coachella Valley, NW end of valley, wash east of Hwy 62 and south of Indian Ave, 0.45 mi south of Indian on Worsley Rd 500 Comment
  JEPS42602  Phoradendron californicum S. B. Parish 1920-3-26 20010 Riverside Colorado Desert, Indian Wells Comment
  LA209834  Phoradendron californicum A. M. Johnson; 1932-3-20 3905 Riverside Indian Wells, below Palm Springs Comment
  POM311756  Phoradendron californicum Karen Hosterman 1958-3-28 1240 Riverside Canyon to W. of road leading to and app./ 0.5 mi. before turnoff to cottonwood springs. Comment
  RSA676301  Phoradendron californicum Scott D. White 2001-4-3 8235 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  RSA717208  Phoradendron densum A. C. Sanders 2004-4-2 27429 Riverside Peninsular Range: Temescal Canyon, Serrano Highlands project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 305 Comment
  UCR52005  Phoradendron densum Steve Boyd 1985-12-14 1193 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau Comment
  UCR6522  Phoradendron densum O. F. Clarke 1966-10-15 661015- 2 Riverside San Jacinto/Santa Rosa Mtns., end of Big Horn Rd. 915 Comment
  RSA201603  Phoradendron macrophyllum E. W. Lathrop, Robert F. Thorne 1967-11-7 6678 Riverside 5 mi. NW of Murrieta. On the Tenaja rd. at the Santa Rosa ranch turn off. Comment
  CAS-BOT-BC141176  Phoradendron serotinum subsp. macrophyllum A. C. Sanders; J. Goetzen 1996-5-1 18141 Riverside San Bernardino Mtns: Morongo Indian Reservation, along dirt road in Hathaway Crk. Cyn., N of Banning 914 Comment
  UCR35312  Phoradendron tomentosum subsp. macrophyllum L. B. Ziegler 1977-12-20 578 Riverside San Jacinto Valley Comment
  RSA192097  Phoradendron villosum E. W. Lathrop 1965-5-30 5775 Riverside 6 miles W of Murrieta. Comment
  RSA682578  Phoradendron villosum George K. Helmkamp 1995-11-16 119 Riverside San Jacinto Mountains. along Hwy 243 at Lake Fulmor. [UTM 10km cell: NH-2E, 4N. Black Mtn.] 1616 Comment
  RSA78286  Phoradendron villosum Philip A. Munz, E. K. Balls 1952-8-21 17969 Riverside Hamilton Creek, SE part of San Jacinto Mts. 1433 Comment
  JOTR34307  Physalis crassifolia Andre, Jim 2012-4-11 20721 Riverside Joshua Tree National Park. Pinto Basin; along road to Cootonwood, I mi NW of Fried Liver Wash, approx. 15 mi S of Hwy 62 in Twentynine Palms 617 Comment
  POM306734  Physalis crassifolia Henry J. Ramsey, Henry J. Ramsey 1938-4-26 1708 Riverside Near Desert Center-Indio. Comment
  RSA0031611  Physalis crassifolia Jim Andre 2013-3-27 24816 Riverside Riverside Mountains; east side of Riverside Mountains, along Hwy 95, 13.2 mi. south of Vidal Jct. 126 Comment
  RSA4899  Physalis crassifolia Carl B. Wolf 1932-4-27 3015 Riverside Colorado Desert, 17 miles E of Mecca on the Blythe road. 152 Comment
  RSA678355  Physalis crassifolia Steve D. Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10472 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  SBBG6614  Physalis crassifolia H. and M. Dearing 1940-1-1 4057 Riverside Painted Cyn, near Mecca Comment
  SBBG88687  Physalis crassifolia K. K. Muller 1971-11-7 2982 Riverside just S of US 60 opposite S entrance to Joshua Tree Nat Monument Comment
  SEINET12808848  Physalis crassifolia Chris Dietrich, M. Merello, and H. Schmidt 1994-1 21 Riverside 9 mi NNW of Indio, off Dillon Road 1.9 mi NE on Berdoo Canyon Road (J241). BLM Land. Desert Access Guide map #17. 380 m 358 Comment
  UC1552022  Physalis crassifolia David Charlton 1988-2-18 1196 Riverside 5 mi e Dillon Rd. junction with Fargo Canyon Rd. (Fargo Canyon Rd to Cottonwood Wash, s of Joshua Tree National Park, parallel to I-10, s side of Little San Bernardino Mtns); Little San Bernardino Mtns. 762 Comment
  UCR1453  Picris echioides Joyce Kleinjan 1961-5-7 s.n. Riverside San Bernardino Valley, Riverside, 1012 Spruce St., 200 ft. south of street [O.F. Clarke residence] 351 Comment
  RSA357156  Pilularia americana R. F. Thorne 1973-5-23 43854 Riverside Santa Rosa Plateau: N side of Mesa de Colorado. Santa Ana Mountains 609 Comment
  UC1600406  Pinus contorta subsp. murrayana H. M. Hall 2321 Riverside Tauquitz Valley San Jacinto Mountains, Tauquitz Valley Comment
  IRVC2816  Pinus flexilis R. H. Whittaker, W. A. Niering 1963-6-13 SJ 466 Riverside Near summit of Jean Peak just S of San Jacinto Peak. San Jacinto Mtns. 3201 Comment
  UC1600396  Pinus flexilis H. M. Hall 2577 Riverside Top of San Jacinto Peak Comment
  UC1134062  Pinus monophylla R. St. John 1931-1-15 173 Riverside Vandevender Flat San Jacinto Quadrangle Comment
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Jul 5 2010
  UC64438  Pinus monophylla W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1880 Riverside e base San Jacinto Mt. San Jacinto Mt. 1219 Comment
  CAS-BOT-BC72837  Pinus quadrifolia B. D. Stark 1931-8-29 1324 Riverside Vandeventer Flat, San Jacinto Mts. 1371 Comment
  NY62442  Pinus quadrifolia N. H. Holmgren 1969-6-18 3587 Riverside This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  RSA221042  Piperia cooperi E. W. Lathrop 1966-5-8 6479 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  SD186144  Plagiobothrys acanthocarpus A. c. Sanders, Kelly Volansky 2005-3-17 29201 Riverside French Valley, southeast of Winchester Rd., between Thompson Rd. and Benton Rd., ca. 0.5 mile northeast of Adobe Spring. 412 Comment
  RSA645633  Plagiobothrys canescens Scott D. White 1999-5-2 7282 Riverside Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5 - 2 mi. W of I-215 freeway. 442 Comment
  SD247370  Plagiobothrys canescens A. C. Sanders 2013-4-9 40784 Riverside Peninsular Range; Perris-Aguanga Basin; Romoland, along SCE powerline route east of I-15, parallel to McLaughlin Rd., west of Trumble Rdl, SE of Perris. 436 Comment
  UCR220143  Plagiobothrys canescens D. E. Bramlet 1997-3-13 2485 Riverside Peninsular Range; Perris-Aguanga Basin region, Lake Skinner County Park, general vicinity of park entrance, just west of Old Warren Rd. 1.07 km north of intersection of entrance road and Old Warren Rd. 465 Comment
  UCR112525  Plagiobothrys collinus var. californicus Mitch Provance 1998-2-13 8 Riverside Jurupa Mountains, Pyrite Canyon, c. 0.3 km east of peak 1768, and c. 0.3 km south of Riv. / S.B. county line. 442 Comment
  UCR239801  Plagiobothrys collinus var. californicus O. F. Clarke 2004-3-12 s.n. Riverside Peninsular Range, Riverside; UCR Botanical Garden 424 Comment
  UCR75046  Plagiobothrys jonesii A. C. Sanders, E. J. Lawlor 1992-4-4 12143 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  POM213630  Plagiobothrys leptocladus P. A. Munz 1941-5-18 16650 Riverside About 15 miles northeast of Temecula. Comment
  RSA0012077  Plagiobothrys leptocladus Jeremiah George 2012-3-4 s.n. Riverside Lake Elsinore area, south of Nichols Rd. and east of Baker St. 387 Comment
  UCR116992  Plagiobothrys tenellus A. C. Sanders, T. B. Salvato 2001-5-3 24071 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  RSA615041  Plantago erecta A. C. Sanders 1997-3-1 19740 Riverside Riverside, box Springs Mtns, S end of the range along Gernert road (dirt), in valley draining to Box Spring Canyon 457 Comment
  SD262339  Plantago lanceolata T. B. Salvato, Gregg Miller 2005-6-3 1372 Riverside Peninsular Range; Perris-Aguanga Basin Region: San Jacinto River c. 2.5 mi SSW of Perris, 1.5 mi downstream of Goetz Road where the river leaves the Perris Plain and enters the hill area above Railroad Canyon (Romoland 7.5'Q) 427 Comment
  RSA650895  Plantago major Robert Lindgren 1948-2-10 s.n. Riverside Covina. 183 Comment
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Feb 17 2013
  UC64312  Plantago major H. M. Hall 1900-5-29 Riverside vicinity Riverside 304 Comment
  RSA412579  Plantago major N. C. Cooper 1943-10-9 946 Riverside Hemet. 305 Comment
  RSA502521  Plantago major Steve Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3576 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  RSA778485  Plantago ovata Duncan S. Bell 2009-3-8 50 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  UC76644  Plantago ovata Miss Mary McKibben Apr 1904 Riverside Mecca Colorado Desert Comment
  UCR263504  Plantago ovata David Fraker, Aaron C. Sedgwick 2012-3-22 011 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, south of Joshua Tree National Park on both sides of Hwy 177, c. 5 miles north of I-10, c. 3 miles south of the Desert Lily Sanctuary 183 Comment
  RSA278493  Plantago ovata var. fastigiata John F. Emmel 1977-3-28 555 Riverside Large wash just NW of Sand Draw Siphon, ca. 10 air miles W. of Rice, SE Mojave Desert. 274 Comment
  SBBG68779  Plantago ovata var. fastigiata M. N. Ackley 1928-4-4 792 Riverside Thousand Palms 304 Comment
  RSA601098  Platanus racemosa A. C. Sanders 1996-5-1 18140 Riverside San Bernardino Mtns: Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, N of Banning 793 Comment
  SEINET10476457  Platanus racemosa James S. Miller 1992-5-8 Miller 7463 Riverside 5.5 mi E of the W boundary of San Bernadino National Forest on California route 74. 950 Comment
  RSA613409  Platystemon californicus D. L. Banks 1997-4-5 1682 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just west of the Pechanga Indian Reservation boundry, at the headwaters of a tributary of the north fork of Pechanga Creek. 768 Comment
  UC167978  Platystemon californicus Katharine Brandegee and Charlotte M. Wilder May 12 1905-May 17 1905 12 Riverside Wilders near Riverside; near Riverside Comment
  UC1930029  Platystemon californicus Scott D. White, Justin Wood 2008-5-15 11983 Riverside San Jacinto Mountains: Johnson Meadow. (Idyllwild) Comment
  UCR103918  Platystemon californicus B. G. Pitzer 1997-4-11 3114 Riverside Lakeview Mtns, Pulsar View Road (dirt), at sharp turn in road c. 1 mi. (air) NE of Juniper Flat Road, and c. 3/4 -1 mi. by road from the base of the hills. C. 3/4 mi. (airline) SE of Mt. Rudolph (measured from BM 'Nelson') 610 Comment
  UCR132499  Platystemon californicus Michael D. Wilcox, Nathan Moorhatch 2003-4-4 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 396 Comment
  POM9222  Platystemon californicus I. M. Johnston 1920-5-8 2268 Riverside Jurupa Mts, extreme west end. between Riverside and Ontario. Comment
  JEPS5135  Plectritis ciliosa subsp. insignis C. V. Meyer June 1927 156 Riverside San Jacinto Mountain, Saunders Meadow Saunders Meadow; San Jacinto Mountain, Saunders Meadow Comment
  JEPS70532  Pleuraphis rigida W. L. Jepson 1912-10-28 5241 Riverside in the wash near Riverside Mts.; along the Colorado River, near Riverside Mts. 45 Comment
  JOTR28940  Pleuraphis rigida La Doux, Tasha 2005-3-30 1176 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  RSA0043057  Pleurocoronis pluriseta Duncan S. Bell, Evan Meyer 2014-4-1 6484 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central section of range, approximately 4.5 air miles northwest of Gucci Spring; about 4.5 air miles north of the Bradshaw Trail. 652 Comment
  RSA779687  Pleurocoronis pluriseta Duncan S. Bell 2010-4-2 698 Riverside Arica Mountains: along jagged ridgeline of mountain range; in the Palen/McCoy wilderness., Collecting on a sand ramp located just below the ridgeline on the eastern side that was trapped between the ridgeline and the steep narrow rocky canyons below it. 595 Comment
  SD9129  Pleurocoronis pluriseta S. B. Parish, W. F. Parish Apr 1882 Riverside Palm Springs Comment
Read comments
Jul 19 2010
  UC130511  Pluchea odorata var. odorata G. R. Hall 1908-1 Riverside Riverside Southern California, Riverside Comment
  RSA472128  Pluchea sericea M. B. Dunkle 1933-5-6 3430 Riverside Canyon N of Catherdral Canyon Comment
  SD84905  Pluchea sericea Nancy Ryan Zabriskie, W. Zabriskie 1972-3-28 484 Riverside North canyon, Andreas Canyon drainage, east slope San Jacinto Mountain 609 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
  UCR201616  Poa pratensis Scott D. White, Justin M. Wood 2008-6-18 12239 Riverside San Jacinto Mountains, meadow northwest of Keen Camp Summit, southwest of Hwy 79 1463 Comment
  UC38599  Poa pratensis subsp. pratensis H. M. Hall July, 1901 Riverside Fuller's Mills Mts; San Jacinto Mts 1584 Comment
  RSA595268  Poa secunda D. L. Banks, Dylan Hannon 1996-5-3 971 Riverside Agua Tibia Mountains; Foothills S of Hwy. 79, E of the Dripping Spring Campground, approximately 150 m SE of the Helipad at the upper camp sites., T8S R1W SE/4, NE/4 of S22; 33 deg 27' 46''N, 116 deg 57' 56'' W 524 Comment
  RSA0031209  Poa secunda Jim Andre 2006-4-6 7749 Riverside Joshua Tree National Park: approx 50 m N. of Keys View Parking area. 1553 Comment
  RSA571317  Polycarpon depressum Steve Boyd, D. L. Banks 1994-4-5 8265 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potrero. 762 Comment
  UC665640  Polygala acanthoclada Annie M. Alexander and Louise Kellogg 1941-5-9 2139 Riverside 1.5 mi n Cottonwood Spring (Eagle Mountains, Colorado Desert); Colorado Desert, Eagle Mountians 975 Comment
  UCR111579  Polygonum aviculare Mitch Provance 1999-1-23 1743 Riverside Jurupa Mountains, Along roadside at corner of Crestmore Rd. and Rubidoux Blvd. 262 Comment
  CLARK-A1528-3788  Polygonum lapathifolium Art Whistler 1966-5-18 8 Riverside University of California Comment
  UCR277727  Polygonum lapathifolium Mitch Provance 2012-10-15 1012- 03 Riverside Badlands of Western Riverside County, San Timoteo Creek, about 3.5 miles west of Beaumont, N side of Hwy. 60 1479 Comment
  RSA714424  Polypogon monspeliensis A. C. Sanders 2004-5-12 27868 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  IRVC170  Polystichum imbricans subsp. curtum Debbi DeVault 1965-4-24 HS 556 Riverside Highway 74; 1/4 mile SE of Keen Camp Summit. Peninsular Ranges, San Jacinto Mountains Comment
  POM49459  Populus X parryi M. French Gilman 1924-07 s.n. Riverside Side canyon of Snow Canyon. 610 Comment
  UC1134775  Populus fremontii subsp. fremontii R. St. John 1930-2-14 95 Riverside Lewis Valley; San Jacinto Quad., Lewis Valley Comment
  RSA561121  Populus trichocarpa Steve D. Boyd, Tim S. Ross, D. E. Bramlet 1993-5-12 7314 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon, 365 Comment
  JOTR32158  Porophyllum gracile La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2311 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  LA203863  Porophyllum gracile Tom O'Donnell; 1953-5-2 sn Riverside 11 mi. from intersection of highways 111 and 74. On highway 74 Comment
  UCR59181  Portulaca oleracea George K. Helmkamp 1989-9-16 s.n. Riverside Sonoran (Colorado) Desert, S of Ripley at 32nd Street and Rannells Blvd 75 Comment
  UCR241483  Potentilla glandulosa Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 234 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  UCR242713  Proboscidea althaeifolia A. C. Sanders, T. B. Salvato 2012-10-12 40439 Riverside Sonoran (Colorado) Desert, Palo Verde Mesa, along Bradshaw Trail c. 2 miles west of 30th Ave. at Ludy Blvd./ canal crossing 114 Comment
  POM348757  Prosopis glandulosa var. torreyana Elbert Benjamine 1929-4-6 141 Riverside Box Canyon, Coachella Valley, Colorado Desert. Comment
  UCR16199  Prosopis glandulosa var. torreyana M. Quinlan 1974-4-18 s.n. Riverside Western Colorado Desert/ San Jacinto Mtns, Agua Caliente Indian Reservation, c. 4 mi. outside Palm Springs, in Andreas Canyon 305 Comment
  LA47424  Prosopis pubescens Carl Epling; 1932-11-9 sn Riverside Murray Canyon, Palm Springs Comment
  POM11503  Prunus emarginata Philip A. Munz 1922-7-6 6032 Riverside Between Tahquitz and Round Valleys. 2226 Comment
  NY43175  Prunus fasciculata J. B. Walker 1995-5-4 1411 Riverside San Bernardino National Forest, 1km S of Pinyon Flat Campground 1300 Comment
  UC1713767  Prunus fasciculata S. B. and W. F. Parish 1197 Riverside Fls., Morongo, Mts. of Colorado Desert, April, Fr., Mts. of Mojave Desert, May, 1882 Comment
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Feb 16 2013
  CAS-BOT-BC151122  Prunus fremontii Nancy Ryan Zabriskie; Walter Zabriskie 1969-4-2 180 Riverside Upper slopes northwest of end of Andreas Canyon Club Road, Andreas Canyon near Palm Springs 609 Comment
  CAS-BOT-BC356346  Psathyrotes ramosissima Roxana S. Ferris 1953-3-10 12603 Riverside Desert, at Thousand Palms, Indio Hills Comment
  RSA717617  Psathyrotes ramosissima Scott D. White, Andrea Warniment Edwards 2006-3-22 11269 Riverside Eastern Coachella Valley a few mi E of Indio. Proposed I-10 Freeway / McMaughton Parkway Interchage, N of I-10 Freeway. 91 Comment
  RSA342002  Pseudognaphalium biolettii R. F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54114 Riverside San Bernardino Mountains: Mesquite thicket along Whitewater Canyon road. Comment
  SD185157  Pseudognaphalium californicum T. B. Salvato, John F. Green 2004-5-27 708 Riverside Head of Banning Canyon close to the San Bernardino County line, 0.5 mile southeast of Oak Glen Conservation Camp. 1402 Comment
  SEINET2054133 Image available Pseudognaphalium californicum D. H. Eslinger 1970-5-29 Riverside 4 mi. E of Riverside, 50 m N of 9725 Pigeon Pass Rd. 365 Comment
  UC1929319  Pseudognaphalium canescens Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10671 Riverside San Jacinto Mountain foothills; Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. Comment
  UCR281885  Pseudognaphalium leucocephalum R. E. Riefner Jr. 2017-8-26 17- 441 Riverside Murrieta Valley, city of Murrieta, Miller Canyon area, wash located vicinity to New Clay Street and Ivy Street 334 Comment
  JOTR30789  Pseudognaphalium luteoalbum La Doux, Tasha, K. White, A. Holt, C. Ely, J. Van Warmerdam 2007-2-26 2096 Riverside Joshua Tree National Park. Eagle Mountains; Cottonwood Oasis 914 Comment
  UCR264630  Pseudognaphalium ramosissimum Mitch Provance 2012-6-19 196- 06 Riverside San Bernardino Valley, Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave 226 Comment
  RSA674601  Pseudognaphalium stramineum Scott D. White 2000-8-5 8099 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  CHSC26039  Pseudognaphalium thermale Wesley Griesel 1962-9-18 Riverside Dark Canyon, San Jacinto Mts. 1920 Comment
  UCR77753  Psilocarphus brevissimus var. brevissimus Steve Boyd, D. E. Bramlet 1991-5-13 6231 Riverside Peninsular Range, Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. Vernal pool association in pasture north of Santa Fe Railroad tracks, west of San Diego Aqueduct 457 Comment
  CAS-BOT-BC362110  Psilostrophe cooperi H. M. Hall 1905-4-1 5890 Riverside Colorado Desert. Chuckawalla Bench Comment
  RSA450120  Psorothamnus emoryi J. C. Roos 1966-5-2 s.n. Riverside Palm Springs. Comment
  RSA498359  Psorothamnus emoryi H. de Forest, George R. Johnston 1925-4-17 s.n. Riverside Between Banning and Whitewater Comment
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Jan 16 2010
  UCR166008  Psorothamnus emoryi Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  POM306772  Psorothamnus schottii Henry J. Ramsey, Henry J. Ramsey 1939-11-28 1625 Riverside 10 miles east of Indio. Comment
  SEINET2063920 Image available Psorothamnus schottii Norman C. Cooper 1949-4-8 3250 Riverside Mecca Pass E of Indio. 457 Comment
  UC65758  Psorothamnus schottii E. E. Schellenger 1904-10-15 38 Riverside two mi n Palm Springs (Colorado Desert); , n of Palm Springs 2 Comment
  UCR86158  Psorothamnus schottii A. C. Sanders 1995-5-23 17122 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fans below the Santa Rosa Mountains, near the mouth of Martinez Canyon, at end of 72nd Avenue 25 Comment
  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
  UC1129842  Psorothamnus spinosus H. S. Yates 1937-6-27 6725 Riverside mouth of Deep Canyon Thermal Quad., mouth of Deep Canyon Comment
  UCSB3066  Psorothamnus spinosus Haller, John 1950-5-21 Riverside Coachella Valley, 2 miles up Palms to Pines Highway, near base of mountains Comment
  SD245884  Pteridium aquilinum var. pubescens Dick Schwenkmeyer 2012-6-27 749 Riverside Strawberry Creek, 1/4 mile northwest of Humber Park, Idyllwild. 1914 Comment
  RSA567986  Pterostegia drymarioides Karin Cleary 1992-4-6 111 Riverside Near top of ridge W of California St, Hemet. 610 Comment
  RSA728144  Pterostegia drymarioides Daphne K. Christopher, Hannah Stevens, Zachary Princip 2003-4-7 112 Riverside Santa Rosa Plateu Nature Conservancy Preserve. Tenaja Truck Road. 610 Comment
  SBBG103856  Pterostegia drymarioides M. A. Patten 1992-5-7 92 -28 Riverside Via Vaquero at Via Oesta, ca. 5 km W of Temecula, Santa Rosa Plateau Comment
  UC466078  Pterostegia drymarioides Fred M. Reed 1908-3-15 2273 Riverside Box Spring Mts., Pigeon Pass Comment
  UC850460  Pterostegia drymarioides C. L. Hitchcock 1940-4-1 5909 Riverside 1 mi. below Cottonwood Spring; Joshua Tree Nat'l Monument Comment
  RSA0125182  Pulicaria paludosa Duncan S. Bell 2016-10-27 10204 Riverside Whitewater Canyon area; collecting in Rainbow Canyon, 2.75 air miles northwest of the Whitewater Ranger Station (trout ponds). 1024 Comment
  RSA304833  Purshia tridentata var. glandulosa James R. Shevock 1971-5-8 1044 Riverside Near Skull Rock, Joshua Tree National Monument. 1311 Comment
  UC218157  Pyrola minor P. A. Munz 1922-9-6 6395 Riverside Round Valley, San Jacinto Mts. 2743 Comment
  UCR277744  Quercus Mitch Provance 2012-9-11 912- 04 Riverside Badlands of Western Riverside County, Beaumont, near N base of Mt. Davis, near Cooper's Creek (tributary of San Timoteo Creek), about 2000 ft., along dirt road extension of Risco Circle, S of W 4th St. 762 Comment
  RSA50465  Quercus X munzii P. A. Munz 1946-10-21 11590 Riverside Live Oak Tank, Joshua Tree National Monument. 1220 Comment
  CAS-BOT-BC61776  Quercus agrifolia W. R. Dudley; F. H. Lamb 1896-7-2 4781 Riverside Below Sespe Hot Springs Comment
  UCD45048  Quercus agrifolia J. C. Lee 1966-4-8 9 Riverside Tree ca. 40 feet tall; El Cariso Guard Station, 32-353 Ortega Highway, Elsinore, Riverside County, California. Comment
  RSA716195  Quercus agrifolia var. agrifolia Scott D. White, Angelia Carey 2004-4-5 10014 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR158949  Quercus agrifolia var. agrifolia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31544 Riverside San Jacinto Mtns., lower Bautista Canyon, 1.1 mi. above Forest Service boundary, 3.2 miles above retention dam at mouth 744 Comment
  SD167109  Quercus agrifolia var. oxyadenia A. C. Sanders 2005-8-12 31554 Riverside San Jacinto Mountains; Poppet Flat below Highway 74 along Poppet Flat Road. 1098 Comment
  POM270082  Quercus berberidifolia Lyman Benson 1933-3-31 4145 Riverside San Bernardino Mt. Range. US 66 [actually US 60], Beaumont. 457 Comment
  UCR158906  Quercus berberidifolia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31546 Riverside San Jacinto Mtns., Vandeventer Flat along Hwy 74, 1.2 mi. west of Santa Rosa Mtn. Rd., just west of entrance to Santa Rosa Indian Reservation 1402 Comment
  UCR162959  Quercus berberidifolia 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
  UCR250923  Quercus berberidifolia Jeremiah George 2012-8-7 70812- 3 Riverside Beaumont, Western Knolls, north central slope of eastern half of bench between Hwy 60 and Oak Valley Parkway, east of Potrero Blvd. 747 Comment
  UCR273004  Quercus berberidifolia Mitch Provance 2012-8-30 17434 Riverside San Bernardino Mountains, Banning Bench, along E side of Bluff St, overlooking the San Gorgonio River 1067 Comment
  UCSB1263  Quercus chrysolepis Lauter, Wolfgang 1960-5-15 Riverside Pinyon Flats Campground, Palms to Pines highway 1219 Comment
  UCSB58830  Quercus cornelius-mulleri Muller, Cornelius 1941-8-10 Riverside San Jacinto Mtns, 12 miles S.E. of Keen Camp Comment
  CLARK-A1528-530  Quercus dumosa C. M. Flanagan 1973-4-26 OO 304 Riverside Morongo Indian Reservation 914 Comment
  SD262289  Quercus engelmannii Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-1 617 01 Riverside Temescal Valley: Along the south side I-15, transmission right-of-way, 0.3 mi SE of Horsethief Canyon Rd. 384 Comment
  SEINET2066432 Image available Quercus engelmannii A. C. Sanders, E. J. Lawlor 1988-10-22 8718 Riverside Pinyon Flats area, Santa Rosa Mountians, along Horsethief Creek where the trail from the Dolomite Mine crosses. 1100 Comment
  UCR189807  Quercus engelmannii Angela Hyder 2006-10-2 080 Riverside Peninsular Range, Lake Skinner, Lake Skinner reserve. 1 mi east of Rawson Canyon. 1 mi north of Black Mountain 660 Comment
  UCR280969  Quercus engelmannii Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-23 517- 32 Riverside Temescal Valley, Temescal Valley, Indian Wash, SE side of Glen Eden Rd. at De Palma Rd. 372 Comment
  SFV889  Quercus kelloggii P. G. Kilburn 1958-5-30 830 Riverside San Jacinto Mountains Mount San Jacinto, 5 miles north of Idlewild. Fern Basin Campground. 1890 Comment
  UCR117251  Quercus palmeri A. C. Sanders, S. D. Boyd, Mitch Provance, J. Ross 1998-10-25 22294 Riverside San Jacinto Mtns., W side of Burnt Valley along Burnt Valley Rd. 1354 Comment
  SD212631  Quercus wislizeni T. B. Salvato 2004-5-27 592 Riverside Head of Banning Canyon close to the San Bernardino County line, 0.5 mile southeast of Oak Glen Conservation Camp. 1402 Comment
  UCR262389  Quercus wislizeni var. frutescens Tom Scott 2011-1 2011- 565 Riverside San Bernardino Mtns., south side of mountains in Banning Canyon, USFS Road 2S01, c. 1 mile north of locked gate at Bluff St. 1003 Comment
  UCR9306  Quercus wislizeni var. frutescens Ted Hanes 1966-11-21 s.n. Riverside San Bernardino Mtns, Millard Canyon, 7 mi north of Cabazon 1159 Comment
  RSA0069664  Rafinesquia neomexicana Cheryl Sevilla, Sarah J. De Groot 2015-2-18 14 Riverside Transverse Ranges; San Bernardino Mountains region: San Gorgornio Wilderness Area; on the plain to the east of Mission Creek; 0.4 miles northwest of the Stone House. 783 Comment
  UCR272449  Rafinesquia neomexicana Cheryl Sevilla, Sarah J. De Groot 2015-2-18 014 Riverside San Bernardino Mountains, San Gorgonio Wilderness Area, the plain to the east of Mission Creek, 0.4 miles northwest of the Stone House 783 Comment
  POM268409  Ranunculus californicus Lyman Benson 1932-3-26 3164 Riverside 3 miles N [of] Temecula. 457 Comment
  RSA0049509  Raphanus sativus Margaret Murphy 1983-5-1 0017 -B Riverside Dry riverwash located in the north section of parcel 475-090-006, lot 20 Moreno Acres of the unincorproated area known as Sunnymead. Comment
  SEINET8727730 Image available Raphanus sativus Jean Coulson 1959-1 s.n. Riverside Riverside; N. W. corner, Canyon Crest & Linden. 2007 Comment
  UC537055  Rhamnus crocea M. E. Jones 1934-5-10 Riverside Elsinore Comment
  UCR102732  Rhamnus crocea B. G. Pitzer 1998-1-25 3422 Riverside Lakeview Mtns., Reinhardt Canyon, Maze Stone County Park, at N terminus of California Avenue 610 Comment
  CAS-BOT-BC56044  Rhamnus ilicifolia H. E. McMinn 1925-7-1 1489 Riverside Control at base of grade to Idyllwild, San Jacinto Mts. Comment
  RSA628256  Rhamnus ilicifolia B. Schwenn 1998-9-27 s.n. Riverside Santa Rosa Mtns: San Bernardino National Forest, Catus Spring Trail, where trail crosses Horsethief Creek. 1341 Comment
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Mar 1 2014
  SFV20161  Rhamnus ilicifolia J. N. Hogue, S. G. Hogue, J. M. Wrublik 2005-9-5 263 .8 Riverside Santa Rosa Mountains Santa Rosa Mountain Truck Trail (=USFS Road 7S02). 0.7 miles from Highway 74. 1500 Comment
  UCR117097  Rhamnus ilicifolia A. C. Sanders, T. B. Salvato 2001-5-16 24290 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  UC18585  Rhamnus tomentella subsp. cuspidata H. M. Hall 1901-6 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1584 Comment
  RSA297382  Rhus ovata Larry E. DeBuhr 1972-2-25 508 Riverside Santa Rosa Mountains along forest road 7S02 to santa Rosa Pk. 1738 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
  RSA6101  Rhus ovata C. B. Wolf 1932-5-24 3643 Riverside 0.5 mile below the Fish Hatchery, Snow Creek, north base of San Jacinto Mountains 549 Comment
  UC1393134  Rhus ovata John L. Strother 1970-7-7 1002 Riverside 4 mi s Sage Comment
  RSA291592  Rhus trilobata var. pilosissima C. W. Tilforth, Walter Wisura 1979-4-11 1767 Riverside East end of Murrieta-DeLuz Rd, ca. 2 air mi. south of Murrieta. 335 Comment
  CAS-BOT-BC92347  Ribes amarum James R. Shevock 1978-4-26 5905 Riverside Along the northeast side of Pleasants Peak. Santa Ana Mountains, Cleveland National Forest. 1188 Comment
  UCR23251  Ribes californicum var. hesperium John C. Roos 1965-6-19 s.n. Riverside Peninsular Range; Santa Ana Mtns, Sky Line Drive, south of Corona Comment
  CDA25536  Ribes indecorum B. Kobaly 1964-8-12 Riverside Idyllwild, San Jacinto Mountains. 0 Comment
  CAS-BOT-BC168950  Ribes malvaceum John Thomas Howell 1960-3-24 35148 Riverside Palms to pines Hwy. above Strawberry Creek, San Jacinto Mts. 1066 Comment
  SD148073  Ribes malvaceum var. malvaceum A. C. Sanders, Kent Beaman 2002-5-10 25054 Riverside Santa Rosa Plateau; hills west of the head of De Luz Creek, 0.4 mile south of Tenaja Road. 671 Comment
  OBI5780  Ribes malvaceum var. viridifolium Carl B. Wolf 1932-2-11 2651 Riverside Santa Ana Mts, Hidden cyn, 5 mi W of Corona, Base of Skyline Dr Comment
  SD27979  Ribes malvaceum var. viridifolium Carl B. Wolf 1932-2-11 Riverside Santa Ana Mts., Hidden Canyon, 5 mi. west of Corona, base of Skyline Drive. 405 Comment
  UCSB2632  Ribes malvaceum var. viridifolium Keator, Glenn Riverside on Mt San Jacinto; on highway from Palm Desert to Riverside 914 Comment
  RSA0088969  Ricinus communis R. G. Swinney 1967-5-26 11741 Riverside Snow Creek. 335 Comment
  RSA662126  Ricinus communis Daniel Curran 1981-2-16 19 Riverside Lake Matthews Drive, 5.8 miles from junction with Cajalco Rd. Comment
  UCR107768  Robinia pseudoacacia D. L. Banks, E. H. Banks, Dawn Rodriguez, Edward Rodriguez 1997-6-20 2169 Riverside NW Palomar Mtns., Agua Tibia Mountains, west of Vail Lake at the intersection of Pauba Road and Los Caballos Road 372 Comment
  RSA221055  Romneya coulteri E. W. Lathrop 1966-5-8 6430 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  UCR274298  Romneya coulteri T. B. Salvato, Gregg Miller 2005-6-7 1438 Riverside Peninsular Range, Gavilan Hills, along Hill Top Drive, 1.7 mi NE ( 54.8 deg. ) of the Lake Street junction with Hwy I-15, and 1.8 miles west of El Toro Road, near benchmark 2349 695 Comment
  UCR92072  Rorippa nasturtium-aquaticum Scott D. White, S. Ogg 1994-10-17 2487 Riverside City of Temecula, Murrieta Creek channel 2000 ft. north of bridge at Rancho California Ave. 305 Comment
  CLARK-A1528-4044  Rubus parviflorus John C. Roos 1965-7-3 Riverside San Jacinto Mountains Comment
  RSA0034264  Rumex John F. Emmel 1991-8-10 1194 Riverside San Jacinto Mts.; along north shore of Lake Hemet, near Picnic Area; NW 1/4 S8, T6S, R3E. 1319 Comment
  CLARK-A1528-3797  Rumex californicus John C. Roos 1952-5-26 5719 Riverside Reche Canyon 457 Comment
  UCSB45928  Rumex conglomeratus Clarke, O. 1972-5-28 Riverside residence of O.F.Clarke, 1012 Spruce street, Riverside Comment
  CAS-BOT-BC433583  Rumex hymenosepalus E. A. Zumbro 1900-5-1 345 Riverside Reche Canon [Reche Canyon] Comment
  UCR138814  Rumex hymenosepalus D. L. Banks 1997-2-17 1278 Riverside Agua Tibia Mtns., NW Palomar Mountains, Pechanga Indian Reservation. Along Pechanga Rd. in the Reservation, c. 10 m west of the Pechanga Tribal Government Center 367 Comment
  POM2350  Rumex salicifolius Crawford, Johnston 1917-6-9 1223 Riverside Santa Ana River near Corona. Comment
  UCR22143  Rumex salicifolius var. denticulatus Steve Boyd 1980-4-13 125 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  RSA90061  Rumex salicifolius var. denticulatus E. K. Balls, Percy C. Everett 1953-8-19 18546 Riverside Red Fir Forest; Santa Rosa Spring 2134 Comment
  JEPS65654  Rupertia rigida Marjorie D. Clary 1932-7-4 993 Riverside road to Burnt Valley (Santa Rosa Mountains); Santa Rosa Mountains 1371 Comment
  SD44971  Ruppia cirrhosa Darley F. Howe 1952-8-10 Riverside Lake Elsinore Comment
  UCR43752  Sagina C. Sylber 1986-5-20 s.n. Riverside Riverside, residential garden at 1040 Central Avenue 366 Comment
  UC494397  Salazaria mexicana C. L. Hitchcock 1932-4-7 12204 Riverside Corn Springs; eastern Riverside County Comment
  POM319718  Salix exigua Patricia Wilder 1971-9-29 5269 Riverside Base of the San Jacinto Mountains, east of Hemet on north side of Valle Vista at north end of Fairview Street, north of Florida Street; at boundary of Soboba Indian Reservation. 518 Comment
  SD1019  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-12 599 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside 239 Comment
  UC437342  Salix exigua var. hindsiana S. B. Parish 1918-4-3 11702 Riverside Oak Sedge; San Jacinto River Canyon 914 Comment
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Nov 20 2011
  UC143229  Salix gooddingii C. F. Baker 1903-4-4 4146 Riverside Elsinore Comment
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Jul 8 2009
  UCR91497  Salix gooddingii Scott D. White 1995-4-5 2719 Riverside San Jacinto Valley, San Jacinto Wildlife area, near northern boundary, off Davis Rd. 427 Comment
  RSA601909  Salix laevigata Louis C. Wheeler 1964-6-19 8488 Riverside Chino Creek, oasis near Palm Springs. Comment
  UCR121087  Salix laevigata A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24973 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UC914223  Salix lasiolepis Charles B. Fiker 1946-4-8 3366 Riverside on Hwy. 395 s. of Temecula bridge Comment
  CDA21321  Salsola australis L. Smith 2004-8-17 s.n. Riverside South Coast Region; Corner of Iowa St. and Martin Luther King Blvd., Riverside. 303 Comment
  UCR198266  Salsola australis B. Villegas 2002-8-19 239 -2 Riverside South Coast, Temecula, Hunter property, Via Vaquero at Gillespie Court Comment
  JEPS59872  Salsola tragus Marjorie D. Clary 1932-10-2 1581 Riverside 6 mi. w. Indio (Point Happy); Whitewater Wash, Point Happy Comment
  RSA594531  Salsola tragus D. L. Banks, Rashmi Pant 1996-5-13 1011 A Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Along a xeric, arkose ridge, approximately 100 m E of the Dripping Springs Guard Station, just S of Hwy. 500 Comment
  RSA0095102  Saltugilia australis Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3877 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
  RSA0120307  Saltugilia latimeri Duncan S. Bell 2016-4-16 9320 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  RSA78776  Saltugilia splendens Percy C. Everett, E. K. Balls, L. W. Lenz 1952-7-1 17272 Riverside San Jacinto Mountains: .5 miles SE o Lake Fulmore on road to Idyllwild from Banning. 1220 Comment
  RSA770780  Salvia apiana Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4618 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  SD137722  Salvia apiana Darin L. Banks, Steve Boyd 1995-5-9 350 Riverside North of the Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, the Dorland Mountain area, west of the Dripping Springs Alcove Area. 730 Comment
  SEINET269559  Salvia apiana Scott D. White 1996-5-27 4070 Riverside 'Badlands' Jackrabbit Canyon east of Moreno Valley and south of Calimesa between state highway 60 and Gilman Spring R 518 Comment
  UCR241121  Salvia apiana Petra Wester 2004-5-22 461 Riverside Peninsular Range/Santa Rosa Mtns., Pines to Palms Hwy, c. 12 km south of Palm Desert 1000 Comment
  RSA314624  Salvia columbariae Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55414 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  RSA401471  Salvia columbariae N. C. Cooper 1944-3-25 1005 Riverside Morongo Pass. 457 Comment
  RSA554430  Salvia columbariae Theo Glenn 1992-3-31 92 -6 Riverside Colorado Desert. N side of Eagle Mountains, Storm Jade Mine. Comment
  UC884003  Salvia columbariae I. W. Clokey 1935-4-17 6875 Riverside Cottonwood Springs Comment
  UCLA70169  Salvia columbariae Harlan Lewis 1937-3-7 Riverside White Water Comment
  UCR124664  Salvia columbariae B. C. Templeton 1930-4-9 1048 Riverside San Bernardino Mtns., north of Banning 1220 Comment
  UCR226056  Salvia columbariae A. C. Sanders, Nathan Moorhatch 2011-3-22 38773 Riverside Peninsular Range, powerline corridor through hills 6.4 km SW of Perris, east of Hwy 74 and south of Ethanac Rd. 506 Comment
  UCSB9265  Salvia columbariae Wedberg, H. 1957-3-23 Riverside Whitewater Canyon Comment
  SEINET13947330 Image available Salvia columbariae Kay Raeder 1955-1 593 Riverside Just outside Joshua Tree National Monument on Hidden Valley Rd.; 4300 ft alt. 1311 Comment
  RSA0121600  Salvia eremostachya Duncan S. Bell, LeRoy Gross 2016-3-29 9102 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon just off of Martinez Canyon, approximately 5.75 air miles southeast of the summit of Martinez Mountain. 625 Comment
  RSA6622  Salvia eremostachya B. D. Stark 1933-5-13 4986 Riverside 8 miles up on Palms to Pines road, San Jacinto Mtns. Comment
  SBBG6488  Salvia eremostachya H. and M. Dearing 1937-3-30 1773 Riverside Palms to Pines Hwy Comment
  SEINET244671  Salvia hispanica Joseph Cahill 2000-11-1 3032 Riverside Agricultural operations UCR. Green house. Comment
  RSA434138  Salvia mellifera Bonnie C. Templeton, I. W. Clokey 1930-4-9 1067 Riverside Palm Springs. 650 Comment
  SDSU12925  Salvia mellifera Jutta Buschbom 1991-6-20 40 b Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  UCR174264  Salvia mellifera A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32671 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., near stream crossing of dirt road 549 Comment
  CAS-BOT-BC224849  Salvia pachyphylla P. A. Munz; E. K. Balls 1952-8-21 17981 Riverside Vandeventer Flat to Santa Rosa Peak 2072 Comment
  UC219560  Sambucus mexicana P. A. Munz 1922-6-24 5791 Riverside Pipe Creek San Jacinto Mts., Hemet Valley 1402 Comment
  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
  RSA527854  Sanicula crassicaulis Scott D. White 1991-5-13 91 -79 Riverside Hwy 79, immediately W of U.S. Forest Service Campground at Dripping Springs. 549 Comment
  SDSU13888  Sanicula tuberosa Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2090 Riverside Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 671 Comment
  POM46974  Sarcodes sanguinea Mary F. Spencer 1919-6-20 1206 Riverside Idyllwild. San Jacinto Mountians. 1616 Comment
  SEINET244780  Sarcostemma cynanchoides A. C. Sanders, Mitch Provance; T. B. Salvato 2001-5-7 24174 Riverside Perris-Aguanga Basin; 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 503 Comment
  SBBG92729  Schismus arabicus D. Charlton 1988-2-18 1192 Riverside S side of Cottonwood Wash, 5 mi E of jct Dillon Rd and Fargo Cyn Rd 762 Comment
  HSC79574  Schismus barbatus Paul Bailey 1972-5-14 128 Riverside 6 mi. NW of Aguanga near Hwy. R-3 in Lancaster Valley 366 Comment
  RSA770990  Schismus barbatus Jim Andre, Tasha La Doux 2009-2-25 10812 Riverside Chuckwalla Mountains: approx. 0.5 miles south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  UCR174328  Schismus barbatus A. C. Sanders 2006-5-19 32417 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR56086  Schismus barbatus J. A. Adams 1966-3-12 440 Riverside Peninsular Range, Hwy 74, 5 mi east of Elsinore, toward Perris 503 Comment
  UCR20373  Schoenoplectus americanus John C. Roos, L. Roos 1952-6-10 5762 Riverside San Bernardino Valley Region, Fairmont Park in Riverside, edge of lake 259 Comment
  UCR264629  Schoenoplectus americanus Mitch Provance 2012-6-19 196- 07 Riverside San Bernardino Valley, Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave 226 Comment
  SDSU12971  Schoenoplectus pungens var. longispicatus Michael G. Simpson 1999-10-27 2039 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  SD135146  Schoenoplectus saximontanus Paul Zedler 1990-3-10 Riverside Skunk Hollow. (IPB 11/07) Comment
  POM14334  Scirpus acutus var. occidentalis Phillip A. Munz, I. M. Johnston 1922-5-18 5328 Riverside Glen Ivy [now Glen Ivy Hot Springs], Temescal Canyon. 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
  UCR20800  Scirpus microcarpus A. C. Sanders, S. D. Boyd 1980-5-19 1504 Riverside San Jacinto Mountains, North fork of the San Jacinto River where it crosses Hwy 74 & near its junction w/ the South Fork of the river 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
  RSA425198  Scrophularia californica subsp. floribunda Christopher Davidson 1975-6-16 2801 Riverside Ca. 2 miles S of Banning on road R1 to Idyllwild. 823 Comment
  UC887498  Scrophularia californica subsp. floribunda I. W. Clokey, C. B. Clokey, and B Tampleton 1930-4-15 4635 Riverside Gavilan Peak 540 Comment
  SDSU7996  Scutellaria F. Youngberg 1933-8-26 Riverside Idyllwild, San Jacinto Mtns. Comment
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Jan 24 2013
  SD73615  Scutellaria mexicana Heloen V. Witham 1970-4-29 837 Riverside On flat, 29.2 miles of L. Hemet, on Highway 74. 1299 Comment
  POM12791  Scutellaria siphocampyloides P. A. Munz 1922-6-23 5762 Riverside Keen Camp, San Jacinto Mountains. 1524 Comment
  RSA33643  Scutellaria siphocampyloides N. C. Cooper 1944-7-16 1540 Riverside San Jacinto Mtns., Pine Cove. 1524 Comment
  RSA560371  Scutellaria tuberosa Steve Boyd 1992-4-14 6811 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
  POM12528  Selaginella bigelovii Philip A. Munz 1922-3-12 4715 Riverside Andreas Canyon Comment
  UCR112952  Selaginella bigelovii B. G. Pitzer 1998-3-1 3553 Riverside Lakeview Mtns, Maze Stone county historical marker & picnic area, E side of mtns, on W side of Reinhardt Canyon 610 Comment
  SEINET9622492 Image available Selaginella eremophila M. D. Windham, K. Pryer, J. Beck, C. Rothfels, A. Grusz 2008-5-15 3559 Riverside SSE of Palm Springs along unnamed tributary of Palm Canyon. ca. 5.61 km WNW of the summit of Murray Hill. T4S, R4E, Sec. 34. 221 Comment
  UCR234816  Selaginella eremophila Jim Andre, Glenn L. Clifton 2011-2-22 17481 Riverside Coachella Valley, 1.2 mi due south of Windy Point (at Hwy 111, just southwest of 'The Cove' housing development near Blaisdell Creek, at base of San Jacinto Mountains 320 Comment
  CAS-BOT-BC62254  Selaginella watsonii P. A. Munz 1922-7-27 5869 Riverside Toro Peak, Santa Rosa Mts. 2529 Comment
  POM12933  Selaginella watsonii Philip A. Munz 1922-6-27 5869 Riverside Toro Peak, Santa Rosa Mountains 2529 Comment
  RSA613236  Selaginella watsonii Louis Cutter Wheeler 1931-10-3 241 Riverside 3/4 mi. NNE Tahquitz Peak, San Jacinto Mts. 2560 Comment
  CAS-BOT-BC323965  Senecio flaccidus var. douglasii Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  SD137853  Senecio flaccidus var. douglasii Darin L. Banks, Steve Boyd 1995-5-17 448 Riverside Agua Tiobia Mountains; north face of Agua Tibia Mountain, east of the Dripping Springs Alcove. 594 Comment
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May 20 2013
  UC35968  Senecio flaccidus var. douglasii Geo. F. Reinhardt June 1897 Riverside Sna Jacinto Valley San Jacinto Valley Comment
  RSA473052  Senecio mohavensis Christopher Davidson 1979-4-4 7728 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  RSA709853  Senecio mohavensis Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4633 Riverside Along Palen Pass Road, near Packard Well, S end of Granite Mountains. 502 Comment
  UC354444  Senecio mohavensis Edmund C. Jaeger 1929-2 Riverside Canyon Springs on Butterfield Trail; Colorado Desert, Canyon Springs on old Butterfield Trail Comment
  UC1013132  Sidalcea malviflora subsp. sparsifolia C. L. Hitchcock 1952-5-31 19559 Riverside about 4 mi s Hemet Reservoir (Pines-to-Palms Highway); s of Hemet Reservoir, Pines-to-Palms Highway Comment
  CAS-BOT-BC434388  Sidotheca trilobata Philip A. Munz 1937-5-31 15117 Riverside Below Anza Tablet [Table = Anza Bench], at head of Coyote Canyon, S.W. Riverside Co. 1005 Comment
  RSA65708  Silene antirrhina F. W. Peirson 1919-4-14 5321 Riverside Murray Canyon near Palm Springs 381 Comment
  UCR176085  Silene antirrhina Vanessa Lee 2005-4-14 s.n. 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
  UCD170112  Silene coniflora A. C. Sanders; Steven R. Hill 2001-5-4 24130 Riverside Santa Ana Mtns. region, W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Creek. Dr.), E side of Rancho Calif. Rd. 488 Comment
  UCR231768  Silene gallica John F. Green 2008-4-21 02- 02 Riverside Peninsular Range, south edge of Perris, drainage way between housing tracts, west of Goetz Rd. and east of Alabaster Loop 450 Comment
  UCR98691  Silene gallica 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
  RSA591749  Silene laciniata subsp. major J. C. Roos 1965-6-19 s.n. Riverside Skyline Drive, S of Corona Comment
  SDSU4525  Silene laciniata subsp. major Garrison 1962-7-16 8 Riverside 3 miles south of Temecula, on highway 395. 335 Comment
  UC2043022  Silene parishii Barbara Ertter with Ken Berg, Roxanne Bittman, and Tim Krantz 1987-9-5 7428 Riverside Head of Andreas Canyon on N side Red Tahquitz Peak, San Jacinto Mts. Comment
  RSA797259  Silene parishii var. viscida R. F. Thorne, Walter Wisura 1977-9-17 50797 Riverside San Jacinto Mountain: summit 3293 Comment
  RSA0124814  Simmondsia chinensis Duncan S. Bell, LeRoy Gross 2016-3-9 8851 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central section of range, approximately 1.75 air miles north of Gucci Spring. 551 Comment
  RSA421793  Simmondsia chinensis L. E. Hoffman 1932-10-26 17235 Riverside Pinon Flats, San Jacinto Mtns. Comment
  SEINET6418759 Image available Simmondsia chinensis Franklin C. Raney 1959-1 59 -8 Riverside Wesrt side of Statea Hwy. 79, 13.1 miles south of Hemet Comment
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Oct 31 2015
  CAS-BOT-BC74898  Sinapis alba Ynez Whilton Winblad 1937-3-16 s.n. Riverside Box Canyon. Comment
  UCR67966  Sisymbrium erysimoides O. F. Clarke 1973-4-1 s.n. Riverside City of Riverside, Corner of Spruce and Rustin Streets. 305 Comment