Search Results — 2000 specimen records retrieved (1905 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCR64827  Abies concolor Frank C. Vasek, K. Neisess 1979-7-26 790726- 08 Riverside Santa Rosa Mtns., Stump Spring Campground 2348 Comment
  CAS-BOT-BC229364  Abronia villosa Geo. B. Grant 1902-8-1 s.n. Riverside San Jacinto Comment
  CSUSB1077  Abronia villosa Scott Fowler 1964-3-23 640323 2 Riverside Thousand Palms on Highway 60, 70, 99. 106 Comment
  RSA461036  Abronia villosa R. H. Peebles, H. F. Loomis 1930-4-6 200 Riverside Mecca Comment
  SEINET7923626 Image available Abronia villosa H. F. Thut 1971-3-15 Riverside 6 miles east of Palm Sprirgs, Calif. Comment
  SEINET893735  Abronia villosa Rea Raymond 1962-1 197 Riverside Cathedral City, Palms to Pines Highway. San Jaciento mountain range. 152 Comment
  UC851648  Abronia villosa I. W. Clokey, B. C. Templeton 1930-4-9 4704 Riverside n Palm Springs; Colorado desert 170 Comment
  UCR42400  Abronia villosa J. M. Stewart 1986-2-24 86- 14 Riverside Sonoran (Colorado) Desert, Coachella Valley, Country Club Drive, 0.6 mi. west of Washington Street, Palm Desert 43 Comment
  SD187438  Abronia villosa var. aurita R. E. Riefner Jr. 2007-5-19 07 210 Riverside Temecula, Temecula Canyon, Santa Margarita River, ca. 1.5 miles west of I-15 Fwy. and 1.0 mile west of Murrieta Creek 298 Comment
  UC218165  Acamptopappus sphaerocephalus var. sphaerocephalus P. A. Munz, I. M. Johnston 1922-5-6 5172 Riverside on dry gravelly soil near Whitewater San Gorgonio Pass 304 Comment
  RSA761867  Achillea millefolium Peter Guiden, C. Martinez, N. Fraga, L. McDade, et al. 2010-8-14 82 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCR3296  Achillea millefolium T. R. Plumb 1964-Apr-May- s.n. Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, dry wash W side of Forest Fire Lab, Canyon Crest Dr. 306 Comment
  RSA179521  Achnatherum coronatum E. W. Lathrop 1959-5-17 4561 Riverside 14 miles west of Murrieta, Redonda Mesa Comment
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Apr 28 2011
  POM1070  Achnatherum speciosum J. D. Abrams 1901-05 990 Riverside Elsinore. Comment
  CAS-BOT-BC384736  Achyronychia cooperi Ira L. Wiggins 1941-3-24 9565 Riverside 0.3 miles south of Myoma, 4.6 miles north of Indio Comment
  UCR116615  Achyronychia cooperi A. C. Sanders 2001-3-20 23837 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, NW corner of intersection of Pierson Blvd. and Atlantic Blvd., between flood control ditch and Pierson, west of high school 335 Comment
  SEINET5327526  Acmispon americanus var. americanus I. W. Clokey, E. G. Anderson 1935-8-21 6720 Riverside Hemet Lake 1030 Comment
  CAS-BOT-BC213411  Acmispon argophyllus var. argophyllus I. M. Johnston 1920-5-8 2273 Riverside Butte west of Lakeview. Comment
  CAS-BOT-BC213474  Acmispon argophyllus var. argophyllus A. C. Sanders; Mitch Provance; T. B. Salvato 2001-5-8 24195 Riverside S of Hemet, E end of Diamond Valley, ca 1/4 mi. N of Newport Rd. and 3/4 mi. E of State St., Perris-Aguanga Basin region 505 Comment
  OBI52767  Acmispon argophyllus var. argophyllus B. Pitzer & A. C. Sanders, A. C. Sanders 1987-4-21 498 Riverside Box Springs Mts, near Southernmost radiotowers (Riverside E 7.5' quad: T2S, R4W, SE 1/4 sec 27 792 Comment
  SBBG119997  Acmispon brachycarpus A. C. Sanders, K. Volansky 2005-3-17 29213 Riverside French Valley, SE of Winchester Rd (Hwy 79) between Thompson Rd and Benton Rd, ca. 0.5 mi NE of Adobe Spring, near San Diego Aqueduct 412 Comment
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Apr 2 2011
  SD130259  Acmispon glaber Ed LaRue 1990-4-13 Riverside I(c) mi NW of town of Aguanga, N of Hwy 79 & W of Hwy 371; ca. 1I(c) mi (airline) N of San Diego Co. line. 640 Comment
  SBBG67985  Acmispon maritimus var. brevivexillus M. N. Ackley 1928-3-31 546 Riverside Hidden Spring 304 Comment
  SBBG34207  Acmispon strigosus T. L. Secrest 1951-5-20 Riverside Idyllwild 1524 Comment
  SBBG53747  Acmispon strigosus S. Boyd 1980-5-2 Riverside Harford Springs County Park, on the NW corner of the Gavilan Plateau Comment
  SDSU4351  Acmispon strigosus Bruhns 1965-5-22 108 Riverside Slope around girls' dormitory of Desert Sun School in Idyllwild. Comment
  UCSB3228  Acmispon strigosus Krogen, Roger 1957-1 Riverside Whitewater Canyon, 2 mi. N of Hwy. 60-70 at Whitewater Comment
  UCR260514  Acourtia microcephala T. B. Salvato, Matt Malle, Tom Sullivan 2014-5-28 7996 Riverside Perris-Aguanga Basin, Menifee, west side of Byers Rd between Wickerd Rd and Adjer St. 0.75 mi northwest of the intersection of Bundy Canyon Road and Murrieta Rd, and 4.1 mi southeast of Canyon Lake Comment
  RSA716087  Adenostoma sparsifolium Fred M. Roberts, Robert Allen 2006-8-5 6398 Riverside Santa Ana Mtns region: just east of Bear Creek, 0.5km SE Upper San Juan Campground. 668 Comment
  SDSU719  Agrostis exarata H. Wedberg 1962-5-23 944 Riverside 4.8 miles from Hwy. 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
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Oct 18 2011
  UCR272822  Agrostis idahoensis Mitch Provance 2015-7-23 715- 05 Riverside San Jacinto Mountains, Fern Valley, Strawberry Creek, vicinity of Rim Rock Drive. 1866 Comment
  RSA681918  Agrostis pallens Scott D. White, Michael Honer, Dylan Hannon 2003-6-24 9586 Riverside Mountains west of I-15 Freeway and immediately north of San Diego County boundary. 335 Comment
  UCR241645  Agrostis semiverticillata T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 363 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  UCR72781  Alchemilla arvensis Joe Di Bernardo 1992-4-16 92- 2 Riverside Sonoran (Colorado) Desert, Coachella Valley, Palm Desert, condominium complex at Mountain Shadows Golf Course Comment
  RSA430546  Allenrolfea occidentalis T. Glenn 1984-10-15 s.n. Riverside Whitewater River delta at north end of Salton Sea Comment
  RSA462623  Allionia incarnata C. M. Dammers 1929-10-6 s.n. Riverside Cottonwood Springs. Comment
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Oct 9 2010
  UCR102740  Allionia incarnata B. G. Pitzer 1998-2-1 3437 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, alluvial fan on north side of lakebed, from paved road down to lakebed 427 Comment
  UCR167237  Allionia incarnata 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
  RSA778399  Allionia incarnata Amber Swanson 2011-10-9 650 Riverside Around the Hayfields ext N of Hwy I-10. 426 Comment
  UCSB748  Allium burlewii Ralph, F. 1959-5-16 Riverside Top of Devil's slide Trail; San Jacinto Mtns. Wilderness area 2621 Comment
  RSA395911  Allium haematochiton Steve Boyd 1986-4-22 1769 Riverside Temescal Canyon: Terrace escarpment E side of Indian Wash, S of I-15. Comment
  SEINET269551  Allium haematochiton Michael A. Patten 1992-4-29 Riverside Temecula area: Pala Road northwest side of bridge over Temecula Creek. Comment
  RSA348954  Allium munzii Steve Boyd 1986-5-7 1827 Riverside Gavilan Hills; Temescal Canyon: S slope of Alberhill Mt. 427 Comment
  RSA495439  Allium peninsulare Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2966 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  POM17546  Allium peninsulare var. peninsulare H. Baer 1923-4-15 s.n. Riverside 3 miles east of Glen Ivy. Comment
  SEINET3878856  Allium praecox D. W. McNeal 1995-3-22 4079 Riverside On the lower slopes of the N side of Gavilan Pk., 0.7 mi S of Cajalco Rd. (jct. 6.5 mi W of Interstate 15 on Cajalco Rd.).; 0 Comment
  CDA7194  Allium roseum A. C. Sanders 1999-4-28 22709 B Riverside UCR Botanic Garden, Riverside. Comment
  RSA198991  Alopecurus saccatus R. F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37442 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California 671 Comment
  CSUSB1010  Althaea rosea Eric Trubschenck 1972-5-10 19 Riverside Undeveloped lot on northeast corner of Park and 7th Streets. 271 Comment
  UCR95420  Amaranthus fimbriatus L. C. Wheeler 1966-10-15 8985 Riverside San Jacinto Mtns., near Black Hill, by Pines to Palms Hwy. 976 Comment
  UCR18739  Amaranthus powellii John C. Roos 1965-9-28 s.n. Riverside San Jacinto Valley, Hemet Comment
  RSA711758  Amaranthus retroflexus B. L. Phillips 1994-9-12 s.n. Riverside A weed on the UCR campus at the community vegetable gardens at the NE corner of the intersection of Canyon Crest Dr. and M.L. King Blvd. (=Pennsylvania Avenue). Comment
  RSA772532  Ambrosia acanthicarpa Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4482 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  UCR100211  Ambrosia acanthicarpa Scott D. White 1996-12-26 4640 Riverside Perris Basin, Perris area 442 Comment
  UCR195796  Ambrosia acanthicarpa Jim Andre, T. La Doux 2007-9-6 8708 Riverside Little San Bernardino Mountains, Joshua Tree National Park, Queen Valley, just east of Geology Tour Road, in July 2006 burn area 1319 Comment
  JOTR38666  Ambrosia dumosa Hodges, Stephen R. 2017-2-1 672 Riverside Joshua Tree National Park. Eagle Mountains, South East facing sand ramps near the aqueduct road Comment
  RSA624016  Ambrosia dumosa Carol Roush 1963-4-9 9 Riverside Six miles south of Highway 111 on Highway 74; North-east foothills of the San Jacinto Mountains. 457 Comment
  RSA788980  Ambrosia dumosa Aaron C. Sedgwick, David Fraker 2012-3-28 25 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  UC1118439  Ambrosia dumosa H. S. Yates 1936-4-7 5416 Riverside Palm Springs; San Jacinto Quad. 137 Comment
  UCR100206  Ambrosia dumosa B. G. Pitzer 1997-10-19 3361 Riverside Sonoran (Colorado) Desert, north foot of Chuckwalla Mtns., Eagle Mtn. Road on south side of Hwy I-10, c. 0.8 mi. south of Hwy at powerline road 500 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
  UC1523648  Ambrosia psilostachya Robert F. Thorne, Steve Boyd, and Earl Lathrop 1985-7-18 61194 Riverside along Cole Canyon; Santa Rosa Plateau 533 Comment
  UCR167839  Ambrosia psilostachya T. B. Salvato, Melissa Clemons 2005-6-23 1323 Riverside Peninsular Range; Temescal Valley, 3 miles NW of Alberhill, Temescal Canyon Road at Corona [Lee] Lake 366 Comment
  UCR201882  Ambrosia psilostachya Justin M. Wood 2008-9-19 136 Riverside SW Perris Basin, Temecula - Murrieta Creek, downstream of First Street Bridge 305 Comment
  UCR250383  Ambrosia pumila A. C. Sanders, John F. Green 2014-4-4 40966 Riverside Peninsular Range; Elsinore Trough, N of Elsinore near Alberhill, at intersection of Baker St. and Pierce St. 389 Comment
  CAS-BOT-BC273033  Ambrosia salsola 1939-3-30 3346 Riverside Between Mecca and Blythe on old highway Comment
  UC1069630  Ambrosia salsola R. St. John 1929-3-25 15 Riverside Foot of Cabezon Mt San Jacinto Quad., Foot of Cabezon Mt. 609 Comment
  UCD128884  Ambrosia salsola R. L. Smith 1948-3-24 s.n. Riverside Murray Canyon. Comment
  UCR120925  Amsinckia intermedia A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24923 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  RSA0089607  Amsinckia intermedia D. L. Banks 1997-2-23 1290 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, south of Pechanga Road in the Reservation, north of Pechanga Creek, and east of the Pechanga Tribal Government Center. 367 Comment
  SD187373  Amsinckia menziesii Scott D. White, Angelia Carey 2004-4-16 10173 Riverside Indian Creek and adjacent slopes. 548 Comment
  RSA0089922  Amsinckia menziesii var. menziesii H. de Forest, George C. Johnstone 1925-4-17 s.n. Riverside Cabazon. Comment
  UCR140314  Amsinckia menziesii var. menziesii A. C. Sanders, Guy Bruyea 2004-4-2 27413 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, just north of Rose Rd. 463 Comment
  RSA0089961  Amsinckia retrorsa A. C. Sanders 2005-5-4 29846 Riverside Gavilan Hills near Riverside: ca. 1 km east and southeast of Gavilan Peak 625 Comment
  UCR155169  Amsinckia retrorsa A. C. Sanders 2005-5-4 29846 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  RSA775344  Amsinckia tessellata var. tessellata Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5015 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.00456, W116.67238 and N33.99629 and W116.66013 750 Comment
  RSA407736  Anagallis arvensis Steve Boyd 1986-5-1 1804 Riverside Perris-Aguanga Basin region SW Perris Basin, Hill west of Skunk Hollow. Comment
  SD146104  Andropogon glomeratus var. scabriglumis A. C. Sanders, Pam MacKay, Tim Thomas, O. F. Clarke 1996-11-23 19657 Riverside San Bernardino Mountains, Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish hatchery, east of VAMB Captain; White Water 7.5' quad. Rocky canyon. In moist sand at the edge of the stream. 534 Comment
  POM153403  Anemopsis californica P. A. Munz, I. M. Johnston 1928-9-12 11302 Riverside Marsh, 1/2 mile N. of Temecula. Comment
  UCR208065  Anemopsis californica Michael Wall 2000-7-16 145 Riverside Peninsular Ranges; Perris-Aguanga Basin region, San Jacinto Valley: South side of Ramona Expressway, 0.5 mi. E of Sanderson Ave. in swale along agricultural field fence 457 Comment
  JEPS35961  Anisocoma acaulis W. L. Jepson May 17 1901-Jun 1 1901 1315 Riverside journey from Riverside to Santa Rosa Peak and Palomar Thomas Valley Comment
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Nov 9 2015
  CAS-BOT-BC79933  Antennaria microphylla H. M. Hall 1901-7-1 2401 Riverside Tamarack Valley 2834 Comment
  CAS-BOT-BC79937  Antennaria microphylla W. F. Parish 1880-8-1 584 Riverside Summit San Jacinto Mt. Comment
  UC146535  Antennaria rosea H. M. Hall 1901-7-1 2401 Riverside San Jacinto Mountains 2834 Comment
  JOTR31068  Antirrhinum coulterianum La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2050 Riverside Joshua Tree National Park. Little San Bernardino Mountains; STOP 6: upper portion of Smithwater Canyon, leading to Lower Covington Flats, wide sandy wash Comment
  RSA650899  Antirrhinum coulterianum R. S. Woglum 1941-6-13 3068 Riverside Santa Rosa Mountains. Comment
  UC666467  Antirrhinum coulterianum Annie M. Alexander and Louise Kellogg 1941-6-1 2266 Riverside Dry Morongo Creek 640 Comment
  RSA0125282  Antirrhinum filipes Duncan S. Bell 2016-3-4 8787 Riverside Orocopia Mountains; northwestern corner of range; collecting in the Orocopia Mountains Wilderness area in an unnamed canyon approximately 3.75 air miles northwest of the summit of the range. 738 Comment
  UCD123468  Antirrhinum nuttallianum A. C. Sanders 1997-3-19 20050 Riverside Lake Skinner area: northeast of Bachelor Mtn., small canyon below dry falls, north of dirt track off road from Rawson Canyon. Comment
  UCR108792  Antirrhinum nuttallianum Heidi A. Haid 1969-3 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR116075  Antirrhinum nuttallianum O. F. Clarke, Jeanine Derby 1974-4-13 s.n. Riverside Box Springs Mtns., E side of Box Springs Mtn. Rd. c. 1 mile above Pigeon Pass 686 Comment
  VVC475  Antirrhinum nuttallianum A. C. Sanders 1997-5-4 20701 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek. 854 Comment
  JEPS86510  Antirrhinum nuttallianum subsp. nuttallianum Roy E. Buck 1988-4-1 866 Riverside 7 air km w Lake Elsinore (town) (on e-facing slope above Calif Hwy 74, near top of grade w of Lake Elsinore, ca 2.0 air km wn of confluence of Harlan Canyon and Johnson Canyon); Elsinore Mountains 780 Comment
  RSA180264  Antirrhinum nuttallianum subsp. nuttallianum E. W. Lathrop 1959-5-29 4581 Riverside 14 mi. W. of Murrieta. Comment
  RSA85443  Antirrhinum nuttallianum subsp. nuttallianum J. C. Roos 1952-4-13 5517 Riverside Box Springs Mts., above Canyon Crest Heights. 457 Comment
  SD143759  Aphanes occidentalis A. C. Sanders, G. Helmkamp 1997-3-15 19956 Riverside Lake Skinner area: Northeast of Skinner Lake in a tributary to Rawson Canyon, along dirt road. North-facing slope in a brushy side canyon 502 Comment
  RSA740071  Arabis glabra Scott D. White, Justin M. Wood 2008-6-16 12134 Riverside Meadow at Quinn Flat. 1378 Comment
  UC64653  Arabis glabra H. M. Hall 1897-6-17 654 Riverside Strawberry Valley San Jacinto Mountains 1615 Comment
  UCR178346  Arabis sparsiflora Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 1051 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  RSA629130  Arctostaphylos Jon E. Keeley 1992-7-17 16762 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  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
  RSA629139  Arctostaphylos Jon E. Keeley 1992-7-16 16562 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA629375  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16860 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  RSA629379  Arctostaphylos glandulosa Jon E. Keeley 1992-4-17 15087 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA629366  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-6-16 16821 Riverside Hwy 234, 3 km N of Hwy 74, San Jacinto Mtns. 1520 Comment
  RSA629427  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-17 16843 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  RSA629455  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-17 16803 Riverside Road to Thomas Mountain (5S15), 6.3 km north of Toolbox Spring. 1770 Comment
  RSA629459  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-17 16815 Riverside Rd. to Thomas Mtn. (5S15), 11 km north of Toolbox Spring. San Jacinto Mtns. 1520 Comment
  POM254921  Arctostaphylos glandulosa subsp. zacaensis W. Pequegnat 1940-4-13 s.n. Riverside Bedford Road, Santa Ana Mts. 1098 Comment
  CAS-BOT-BC24669  Arctostaphylos glauca Philip A. Munz 1953-5-31 18516 Riverside Ridge between Juniper Flats and Stubby Springs, Joshua Tree National Monument. 1402 Comment
  RSA632652  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16536 Riverside Red Mountain Road, 6-6.8 km east of R3. 1015 Comment
  SDSU13993  Arctostaphylos glauca Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2146 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of wet meadow (El Valle complex). 646 Comment
  SDSU17428  Arctostaphylos glauca C. Matt Guilliams 2007-8-2 394 Riverside Temescal Valley, west of Interstate 15. Along Cleveland National Forest margin in east-west trending ravine, on shaded north-facing slope. Housing development in progress. Ravine near intersection of McVicker Canyon Park Road and Gateway Rd. 630 Comment
  UCR76880  Arctostaphylos glauca B. G. Pitzer, Stu Hemstreet 1992-5-21 1949 A Riverside Santa Ana Mtns., Cleveland National Forest, State Hwy 74, 1 mi. uphill of the 2,000 ft. marker & to the left 0.1 mi. on an old paved road 762 Comment
  HSC101788  Arctostaphylos parryana J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13205 Riverside Along State Route 74 1558 Comment
  RSA633636  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20133 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633712  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16655 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  RSA633730  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16622 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  RSA633735  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16631 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  RSA633747  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21798 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA635601  Arctostaphylos peninsularis subsp. peninsularis Jon E. Keeley 1992-7-17 16739 Riverside Morris Ranch Rd. (6S06), 6.3 km east of Hwy 74, western base of Pyramid Pk., San Jacinto Mountains. 1680 Comment
  POM49833  Arctostaphylos pungens P. A. Munz 1924-7-29 8876 Riverside Lone Oak Ranch, Banning-Idyllwild Road. 1037 Comment
  RSA635768  Arctostaphylos pungens Jon E. Keeley 1992-7-17 16730 Riverside Morris Ranch Road (6S06), 0.8 km east east of Highway 74, Garner Valley. 1440 Comment
  RSA635777  Arctostaphylos pungens Jon E. Keeley 1992-7-17 16726 Riverside Morris Ranch Road (6S06), 0.8 km east east of Highway 74, Garner Valley. 1440 Comment
  RSA575903  Arctostaphylos rainbowensis Steve Boyd 1994-10-14 8380 Riverside Southern Santa Ana Mountains, San Mateo Cantyon Wilderness area of the Cleveland National Forest. Fisherman's Camp Trail (7S02) from Wildomar Road (7S01) west into Tenaja Canyon at its confluence with San Mateo Canyon. Fisherman's Camp. 462 Comment
  RSA635994  Arctostaphylos rainbowensis Jon E. Keeley 1992-9-26 21612 Riverside W of Hwy 15, 1.5 km S of Temecula. 430 Comment
  RSA636001  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19543 Riverside Carancho Rd., W. of Temecula. 440 Comment
  RSA636008  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19555 Riverside Carancho Rd., W. of Temecula. 440 Comment
  RSA636016  Arctostaphylos rainbowensis Jon E. Keeley 1992-8-2 18801 Riverside East of Hwy 15, off Rainbow Cyn. Rd., 3 km north of San Diego Co. line. 400 Comment
  SBBG2312  Argemone munita H. and M. Dearing 1940-6-7 4339 Riverside near Ribbonwood on Palms to Pines Hwy Comment
  SD137698  Argemone munita Darin L. Banks, Peter Morrell 1995-5-4 305 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, north of the Wildhorse Trail. 622 Comment
  RSA722445  Argemone munita subsp. munita J. R. Bruff 1928-4-3 181 Riverside 13 miles W of Desert Center. Comment
  LA9309  Aristida adscensionis Louis C. Wheeler; 1931-11-26 373 Riverside Salton Bench Mark -15 Comment
  SEINET191852  Aristida adscensionis C. L. Hitchcock 1940-3-30 5878 Riverside Cottonwood Spring Comment
  UCD56419  Aristida adscensionis H. S. Yates 1937-3-23 6436 Riverside 15 miles NNE of Mecca. 457 Comment
  UCR167416  Aristida adscensionis 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
  POM7039  Aristida adscensionis var. modesta P. A. Munz, L. T. Street, G. Williams 1919-3-26 2359 Riverside Salton Sea. Comment
  POM1099  Aristida californica var. californica H. M. Hall 1905-05 5963 Riverside Canyon along Colorado River. Comment
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Nov 21 2011
  UC576345  Aristida purpurea var. fendleriana H. S. Yates 1937-6-27 6722 Riverside Deep Canyon Thermal Quadrangle (head) 1219 Comment
  UC576337  Aristida purpurea var. nealleyi H. S. Yates 1937-6-27 6721 Riverside Deep Canyon Thermal Quadrangle (head) 1219 Comment
  UCD56561  Aristida purpurea var. nealleyi A. A. Beetle 1942-4-23 3187 Riverside Rt. 95, 24 miles north of Blythe, banks of Colorado River. Comment
  UCR260358  Aristida purpurea var. nealleyi A. C. Sanders, Jim Malusa 2015-3-9 41368 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along Gasline Road at major wash crossing 1.9 mi. south of Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range 686 Comment
  UCR120861  Aristida purpurea var. parishii J. Zabriskie 1976-12-21 963 Riverside Sonoran (Colorado) Desert/Peninsular Range, Deep Canyon Desert Research Area. Coyote Canyon, 1 mi east of research station 335 Comment
  RSA0124743  Aristida purpurea var. wrightii Duncan S. Bell, LeRoy Gross 2016-3-9 8842 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central section of range, approximately 1.75 air miles north of Gucci Spring. 551 Comment
  UCR110452  Artemisia biennis D. E. Bramlet 1998-6-25 2640 Riverside Perris-Aguanga Basin region, North Domenigoni Hills. 1.83 km east of Warren Road and 1 km south of Harrison Avenue, 244m east of the access road to the EMWD storage tank 495 Comment
  RSA772577  Artemisia californica Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5050 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010 750 Comment
  CLARK-A1528-1567  Artemisia douglasiana John C. Roos 1937-8-17 1219 Riverside San Jacinto Comment
  RSA0059637  Artemisia douglasiana I. W. Clokey, E. G. Anderson 1935-8-21 6984 Riverside West of Keen Camp P.O. 1360 Comment
  SD229066  Artemisia tridentata Dick Schwenkmeyer 2012-3-26 661 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
  CAS-BOT-BC93480  Artemisia tridentata subsp. tridentata Philip A. Munz 1946-10-19 11565 a Riverside Coahuila 1097 Comment
  UCR6699  Arthrocnemum subterminale O. F. Clarke, Sue Freeman 1967-11-3 s.n. Riverside Perris Basin, c. 3 mi. north of Lakeview & c. 3 mi. SSE of Moreno 434 Comment
  SEINET10513658  Arundo donax David B. Dunn 1947-2-9 Dunn 2851 Riverside Pushawall canyon. Indio hills. By lower part of stream. Comment
  CLARK-A1656-632  Asclepias albicans Lois Ann Scott 1978-4-18 Riverside Mecca Hills 304 Comment
  SJSU11075  Asclepias albicans R. C. McGehee 1970-4-14 182 Riverside E base of Coxcomb Mts, end of road 2.3 mi W of its junction with Desert Center-Rice Rd Comment
  UC22960  Asclepias californica H. M. Hall June 1901 2210 Riverside s side San Jacinto Mountains 1706 Comment
  RSA0104760  Asclepias californica D. L. Banks, Elizabeth Hedge Banks 1996-5-2 934 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
  SEINET10637047  Asclepias fascicularis Harvey M. Hall Hall s.n. 1897 Riverside Kenworthy, San Jacinto Mountains 1372 Comment
  RSA796747  Asclepias subulata J. Andre 2012-4-11 20843 Riverside Orocopia Mountains: north end of range, along dirt road 2.8 mi due south of I-10 at Box Canyon Rd/Cottonwood Rd Exit. 624 Comment
  SBBG13938  Asclepias subulata E. R. Blakley 1961-9-10 4708 Riverside Cactus City, US Hwy 60-70 E of Indio 504 Comment
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Mar 20 2011
  UCR82887  Asclepias subulata A. C. Sanders, S. White & C. Sanders 1994-10-9 15829 Riverside San Bernardino Mtns., Mission Canyon Road 520 Comment
  CAS-BOT-BC177468  Astragalus aridus Ira L. Wiggins 1938-3-19 8901 A Riverside Colorado Desert 25 miles west of Blythe Comment
  CAS-BOT-BC177529  Astragalus bicristatus Elizabeth McClintock 1965-6-25 s.n. Riverside Santa Rosa Mountain, a short distance below summit Comment
  CAS-BOT-BC177723  Astragalus crotalariae F. O. Ballou 1926-2-28 s.n. Riverside Fish Springs near Oasis Comment
  SEINET898798  Astragalus didymocarpus Carl B. Wolf 1935-1 6301 Riverside Gavilan Hills Region. 2 mi. SW. of Perris. 427 Comment
  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
  JEPS54628  Astragalus didymocarpus var. didymocarpus W. L. Jepson 1901-5-24 1415 Riverside Van Deventer's Ranch , Van Deventer's Ranch (Santa Rosa Mts.) Comment
  CAS-BOT-BC182589  Astragalus didymocarpus var. dispermus Geo. B. Grant 1906-4-20 563 -6711 Riverside Palm Springs Comment
  UC162674  Astragalus didymocarpus var. dispermus H. M. Hall Apr., 1905 5763 Riverside Palm Springs , Palm Springs (Colorado Desert) 152 Comment
  UCR49257  Astragalus didymocarpus var. obispoensis Steve Boyd 1986-4-2 1624 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA498263  Astragalus douglasii var. parishii H. de Forest, Jack Rempel 1933-6-25 18032 Riverside Along road from Banning. Comment
  UCR158048  Astragalus filipes C. B. Wolf 1931-5-11 1952 Riverside Peninsular Ranges; San Jacinto Mountains, near Pipe Creek, Hemet Valley 1616 Comment
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Sep 23 2011
  UCR10261  Astragalus lentiginosus Paul Currie 1969-1 25 Riverside Sonoran (Colorado) Desert, vcinity of Banning [highly doubtful, probably closer to Palm Springs -- ACS] 305 Comment
  SBBG3166  Astragalus lentiginosus var. borreganus H. and M. Dearing 1937-4-10 861 Riverside 16 mi N of Indio Comment
  RSA415584  Astragalus lentiginosus var. coachellae Christina Clark 1929-3-16 s.n Riverside N. Indio. Comment
  RSA498884  Astragalus lentiginosus var. variabilis M. B. Dunkle 1935-3-17 4402 Riverside Desert Center. 610 Comment
  UCSB42213  Astragalus nuttallianus Roos, John 1958-3-15 Riverside 3 miles SE of Desert Center, in the Chuckwalla Mtns. Comment
  RSA336199  Astragalus nuttallianus var. cedrosensis R. F. Thorne, Walter Wisura, Avi Shmida, R. Whittaker 1978-4-23 52013 Riverside Chino Canyon. Comment
  SD87621  Astragalus nuttallianus var. imperfectus Frank W. Peirson 1922-4-9 584 Riverside Murray Canyon, near Palm Springs. Comment
  RSA415715  Astragalus pachypus var. jaegeri H. M. Hall 1897-4-18 477 Riverside Beaumont Comment
  CAS-BOT-BC192758  Astragalus palmeri Philip A. Munz 1937-5-30 15128 Riverside Dos Palmos Spring, northern part Santa Rosa Mts. 1097 Comment
  RSA415654  Astragalus pomonensis N. C. Cooper 1949-3-18 3165 Riverside Elsinore. 457 Comment
  UCR167785  Astragalus pomonensis T. B. Salvato, Gregg Miller 2005-6-3 1358 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River c. 2.5 mi SSW of Perris, 1.5 mi downstream of Goetz Road where the river leaves the Perris Plain and enters the hill area above Railroad Canyon 427 Comment
  UCR4138  Astragalus pomonensis Ronald M. Cope 1965-3-12 s.n. Riverside Riverside, c. 100 yards below where Gage Canal goes underground after having crossed Le Conte Drive 259 Comment
  POM15204  Astragalus sabulonum Mary F. Spencer 1922-3-29 1655 Riverside Mecca -49 Comment
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Feb 17 2013
  UCR18968  Astragalus tricarinatus John C. Roos 1967-3-25 s.n. Riverside Sonoran (Colorado) Desert/ San Bernardino Mtns., Whitewater Canyon 457 Comment
  CAS-BOT-BC200818  Astragalus trichopodus var. phoxus Philip A. Munz 1937-5-31 15125 Riverside Kenworthy, San Jacinto Mts. 1371 Comment
  UCR112953  Athysanus pusillus B. G. Pitzer 1998-3-1 3552 Riverside Lakeview Mtns, Maze Stone county historical marker & picnic area, E side of mtns, on W side of Reinhardt Canyon 610 Comment
  UCR120209  Athysanus pusillus Mitch Provance 1998-3-7 153 Riverside Jurupa Mountains, 'Rattlesnake Mt.', c. 0.5 km east of corner of Rorimer Dr. and Brenton St., on the E side of Armstrong Rd., in the Sunnyside area of Riverside. 366 Comment
  UCR162401  Athysanus pusillus S. J. Myers, Chet McGaugh 2003-4-7 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1098 Comment
  RSA23225  Atrichoseris platyphylla Ernest Braunton 1940-4-3 2017 Riverside Berdoo Canyon, 10 mi. E. of Indio 304 Comment
  UC1287097  Atrichoseris platyphylla C. L. Hitchcock 1966-3-20 24315 Riverside 5 miles north of Milpitas Wash (and 12 miles NW of Blythe-Glamis Road) Comment
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Mar 2 2013
  UCR148861  Atrichoseris platyphylla S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 10 miles ESE of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 20 Comment
  UCR166549  Atrichoseris platyphylla Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10885 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  UCR274536  Atriplex argentea Mitch Provance, Ken Halama 2003-6-15 17045 Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  SD73400  Atriplex canescens K. R. Montgomery 1969-9-7 69 31 Riverside 1.5 mile east of Riverside Co. Highway 3 on Wilson Valley Road, 18 miles south of Hemet. Comment
  CAS-BOT-BC170214  Atriplex canescens subsp. canescens C. B. Wolf 1931-10-14 2462 Riverside Cabezon, San Gorgonio Pass 518 Comment
  JOTR34467  Atriplex canescens subsp. canescens La Doux, Tasha, M. Harding, B. Truesdell, D. Shade 2012-9-25 3157 Riverside Joshua Tree National Park. Cottonwood Mountains; Cottonwood Spring 914 Comment
  RSA594530  Atriplex canescens subsp. canescens D. L. Banks, Rashmi Pant 1996-5-13 1010 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
  UC850852  Atriplex canescens subsp. canescens Carl B. Wolf 1932-10-13 4321 Riverside ne side Salton Sea (Durmid, ne side of S.P.R.R. Tracks, Colorado Desert); Colorado Desert, ne side Salton Sea, Durmid -60 Comment
  POM202641  Atriplex canescens var. laciniata W. M. Ingram 1934-10 3 Riverside 2 miles west of Edom Highway 99. Colorado Desert. Below sea level. Comment
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Dec 11 2011
  RSA735862  Atriplex coronata var. notatior Scott D. White, Justin Wood 2008-4-16 11892 Riverside I-215 freeway S of San Jacinto River crossing. 431 Comment
  RSA748735  Atriplex coronata var. notatior Karin Cleary-Rose, G. Nuhn 1995-7-20 s.n. Riverside west edge of Hemet, 19 acre parcel on the Wilhelm Ranch, between Hwy 74 and Whittier Ave, at south end of Hyatt Ave., west of the San Diego Aqueduct 457 Comment
  UCR274331  Atriplex elegans Mitch Provance 2012-7-11 612- 63 Riverside Badlands of Western Riverside County, Beaumont, S side of 4th St., near Risco Circle 773 Comment
  UCR234763  Atriplex elegans var. elegans A. C. Sanders, John F. Green 2012-6-25 40307 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon near I-15 crossing of Temescal Canyon Rd. and Temescal Creek, c. 2.6 km SE of Lee (Corona) Lake 361 Comment
  JOTR36450  Atriplex elegans var. fasciculata La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3420 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
  RSA65391  Atriplex hymenelytra F. W. Peirson 1930-3-29 8694 Riverside Painted Canyon, near Mecca, Colorado Desert. Comment
  JEPS90698  Atriplex pacifica D. Bramlet 1991-6-20 2200 Riverside approx 8 m e of Davis Road (and some 150 m n of the San Jacinto River levee, Old Riverbed area beside existing channelized area of San Jacinto River); San Jacinto Wildlife Area 475 Comment
  SD138895  Atriplex parishii Craig Reiser 1996-5-9 Riverside Winchester; north of Haddock, west of Farnsworth Road; also south of Simpson Road; near Adams. Wheat field (mak 10/07) Comment
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Mar 20 2011
  SD87784  Atriplex polycarpa Frank W. Peirson 1927-11-25 7678 Riverside 1000-Palm Canyon. 120 Comment
  RSA502490  Atriplex serenana Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-11 3731 Riverside Vail Lake area, wetlands of Wilson Creek, east of the lake. 457 Comment
  UCR213868  Atriplex serenana var. serenana Scott D. White 2009-8-10 13355 Riverside Temecula Valley, city of Temecula, west bank of Murrieta Creek, c. 0.5 mi north and south of the Main Street Bridge 306 Comment
  UC2058835  Atriplex suberecta Scott D. White 2001-6-19 8593 Riverside Near Sun City: Quail Valley: Valleys and slopes east of Canyon Lake and west of Goetz Road. Lake Elsinore, Romoland 7.5' Quad. Comment
  UCR182353  Atriplex suberecta Mitch Provance 2005-5-17 6560 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
  RSA772130  Avena barbata Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4867 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
  SEINET9793566 Image available Avena barbata Richard Carter 2005-6-25 Riverside west side of Hemet by Hwy. 74/79; vacant lot north side hwy., vic. California Avenue; USGS Winchester Quad. Comment
  UC667326  Ayenia compacta Annie M. Alexander and Louise Kellogg 1941-5-26 2236 Riverside Monsen Canyon Eagle Nountains 822 Comment
  JOTR16561  Baccharis brachyphylla Hogan, J. 1974-9-27 164 Riverside Joshua Tree National Park. RYAN CAMPGROUND 1325 Comment
  RSA747841  Baccharis brachyphylla Scott D. White, Justin M. Wood 2009-4-29 12626 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  POM319734  Baccharis emoryi Patricia Wilder 1971-11-17 5321 Riverside Along the Santa Ana River at end of Pedlay Sreet, north of Norco. 198 Comment
  RSA736238  Baccharis emoryi Scott D. White, Jonathan Campbell 2008-4-18 11900 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. 'Morgan' Property, Alberhill area. 274 Comment
  POM319652  Baccharis salicifolia Patricia Wilder 1970-10-30 4826 Riverside Road on south side of Prado Flood Control Basin on east side of Prado Dam. About 1/2 mile east of dam tender's residence. Santa Ana River Drainage Area. East of Chino Hills. 152 Comment
  POM37330  Baccharis salicifolia Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  SD224825  Baccharis salicifolia A. C. Sanders, S. Hawkins, J. Goetzen & D. Freeman 1996-5-1 18109 Riverside San Bernadino Mtns.: Morongo Indian Reservation, vicinity of natural pond & bog at SE edge of Burro Flats. 1096 Comment
  UCR216230  Baccharis salicifolia Mike Bell 2008-4-27 015 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, Adobe Loop Trail 538 Comment
  RSA93205  Baccharis salicifolia F. W. Peirson 1920-6-23 8663 Riverside Temecula River. 854 Comment
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Mar 15 2017
  UC63377  Baccharis salicifolia subsp. salicifolia W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1828 Riverside near Palm Canon; Riverside, Santa Rosa Peak, Palomar 914 Comment
  UC893660  Baccharis salicifolia subsp. salicifolia Carl B. Wolf 1932-10-11 4274 Riverside 3/10 mi below, Morongo Wash, Little San Bernardino Mts. Colorado Desert San Bernardino County line; Colorado Desert, Little San Bernardino Mts., Morongo Wash 670 Comment
  UCR231755  Baccharis salicina John F. Green 2008-4-23 07- 02 Riverside Peninsular Range, hills south of Perris, powerline route above the San Jacinto River, east of Lantana Dr., south of Ethanac Rd. 439 Comment
  UC1010322  Baccharis sarothroides John and Lucille Roos 1950-10-28 5021 Riverside near Box Springs 472 Comment
  RSA696790  Baccharis sergiloides J. Russell Bruff 1927-11-16 34 Riverside Cottonwood Springs. Comment
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Jul 7 2012
  SD229070  Baccharis sergiloides Dick Schwenkmeyer 2012-5-22 731 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  SD248322  Baccharis sergiloides A. C. Sanders, T. B. Salvato, et al. 2013-10-2 40957 Riverside Peninsular Range: Wilson Valley Preserve, 0.12 mile south of Wilson Valley Road, 1.1 mile east of Sage Road, 1.65 mile east of Round Top Mountain. 769 Comment
  UC1118926  Baccharis sergiloides C. Van Fleet 1931-1-22 4 Riverside Wilson Creek San Jacinto Quad. 762 Comment
  UCR109457  Baccharis sergiloides A. C. Sanders, Pam MacKay, Tim Thomas, O. F. Clarke 1996-11-23 19660 Riverside San Bernardino Mtns., Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish hatchery, east of VAMB Captain 534 Comment
  UCR150654  Baccharis sergiloides Bern Schwenn 1994-10-30 s.n. Riverside Mojave Desert, Little San Bernardino Mtns, side canyon on W side of Long Canyon 915 Comment
  SD186334  Bacopa monnieri G. R. Ballmer 2003-11-22 Riverside Colorado River Valley: Northern Paloverde Valley, east of Hwy 95, ca. 5 miles NE of Blythe, east snd of 2nd Ave., shore of river 86 Comment
  CAS-BOT-BC295898  Bahiopsis parishii B. D. Stark 1930-4-2 1503 Riverside Whitewater Bridge, San Gorgonio Pass 457 Comment
  RSA189411  Bahiopsis parishii L. S. Rose 1966-12-14 66104 Riverside Chino Canyon, 3 mi. W of Palm Springs. 671 Comment
  RSA450760  Bahiopsis parishii J. C. Roos 1965-9-26 s.n. Riverside Santa Rosa Mtns. 701 Comment
  SJSU10602  Bahiopsis parishii R. C. McGehee 1970-4-30 243 Riverside Corn Springs Canyon 4 miles W of Corn Springs Campground, 18 miles SE of Desert Center Comment
  UCD129491  Bahiopsis parishii L. S. Rose 1935-12-23 s.n. Riverside San Jacinto Mountains, above Deep Canyon, 22 miles south of Cathedral City, Colorado Desert. 1066 Comment
  CAS-BOT-BC99965  Baileya pauciradiata Carl B. Wolf 1937-4-6 8431 Riverside Colorado Desert. Coachella Valley, 3 mi. No. of Indio 0 Comment
  SBBG65724  Baileya pauciradiata L. Rowntree 1930-5-8 Riverside cyn S of Deep Cyn Comment
  UC893813  Baileya pauciradiata unknown 1932-3-26 Riverside Coachella Comment
  CAS-BOT-BC106608  Baileya pleniradiata K. Larson 1977-5-12 60062 B Riverside Wiley Wells Rd. ca. 20 mi. W. of Blythe 152 Comment
  RSA597464  Bebbia juncea L. C. Wheeler 1959-12-27 7637 Riverside Chuckwalla Mountains. White Cloud Mine. Comment
  UCR121314  Bebbia juncea A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25004 Riverside The Badlands, summit of Mt. Eden, SW of Beaumont 671 Comment
  RSA5546  Berberis amplectens C. B. Wolf 1932-5-25 s.n. Riverside Small Canyon on Gilman Ranch in foothills north of Banning 854 Comment
  CLARK-A1528-5632  Berberis dictyota John C. Roos 1947-1-31 3215 Riverside Reche Canyon Comment
  UCR59686  Berberis nevinii Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2959 Riverside Vail Lake, W shore of lake, Kolb Creek drainage in series of small side draws, 442 Comment
  POM14866  Bergia texana H. Baer 1922-11-12 s.n. Riverside San Jacinto River Bed, Near Elsinore Comment
  UC19133  Bergia texana Samuel B. Parish 1891-11-5 2240 Riverside Elsinore Lake Comment
  UC667315  Bernardia incana Annie M. Alexander and Louise Kellogg 1941-5-10 2144 Riverside small canyon 3 mi. n.e. Cottonwood Spring (Eagle Mts.); Colorado Desert, Eagle Mts. 1036 Comment
  GMDRC5192  Bernardia myricifolia T. La Doux, D. Shade, M. Harding, M. Wheeler, T. Herskovits 2011-10-13 2565 Riverside Little San Bernardino Mountains: northwest end of Eagle Mountains, 3 mi. north of Cottonwood Visitors Ctr. 1055 Comment
  SEINET12141255  Bernardia myricifolia S. B. Parish, Parish, W. F. 1882-1 752 Riverside Whitewater Comment
  SDSU11582  Bloomeria crocea Ronald H. Bigelow 1962-5-23 Riverside Schloss Foundation, Just southeast from branch in road from HWY 395 to Santa Margarita River. Comment
  UCR172714  Bloomeria crocea Jun Hu 2000-5-11 19 Riverside San Jacinto Valley, SE of city of Winchester, Hills N of Diamond Valley 488 Comment
  RSA367332  Bloomeria crocea var. crocea N. C. Cooper 1944-7-16 1542 Riverside At trailside. San Jacinto Mt. above Pine Cove 2072 Comment
  RSA482755  Boechera M. B. Dunkle 1937-3-25 4952 Riverside Dry Morongo. Comment
  CAS-BOT-BC16094  Boechera californica E. A. McGregor 1941-6-12 19 Riverside San Gabriel Mountains. Idyllwild. Comment
  SBBG50743  Boechera californica R. S. Woglum 1941-6-12 3059 a Riverside Idyllwild Comment
  CAS-BOT-BC25668  Boechera pulchra Elizabeth H. Daniels 1932-3-8 s.n. Riverside Little San Bernardino Mountains. Mission Canyon, just south of Morongo Valley. Comment
  JOTR30049  Boerhavia coccinea La Doux, Tasha 2006-10-24 1655 Riverside Joshua Tree National Park. Twentynine Palms, park headquarters, nursery compound Comment
  UCR35198  Boerhavia coccinea L. B. Ziegler 1967-8-30 218 Riverside San Jacinto Valley, Vacant lots in city of San Jacinto 473 Comment
  SD255798  Boerhavia coulteri A. C. Sanders 2015-9-12 41884 Riverside Sonoran (Colorado) Desert: Desert Center, south of I-10 at the Eagle Mountain Road junction (Desert Center 7.5'Q) 360 Comment
  RSA78222  Boerhavia intermedia J. C. Roos, L. Roos 1952-10-18 5901 Riverside Hidden Valley Campground 1220 Comment
  SEINET2043231 Image available Boerhavia wrightii Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Colorado/Sonoran Desert: Canyon Spring, Orocopia Mountains (Red Canyon Quad 7.5') 372 Comment
  UCR85636  Bolboschoenus glaucus A. C. Sanders 1993-4-5 13700 Riverside San Jacinto Valley, west edge of Hemet, along south side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and north of Florida Ave./ Hwy 74 460 Comment
  CAS-BOT-BC31022  Bolboschoenus maritimus P. A. Munz 1918-4-27 2129 Riverside Bet Murietta & Temecula. Comment
  UCR22071  Bolboschoenus maritimus subsp. paludosus Steve Boyd 1980-5-13 261 Riverside Gavilan Hills, Harford Springs County Park, at NW corner of the Gavilan Plateau 640 Comment
  RSA0125183  Bouteloua aristidoides Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8756 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting on the Martinez Slide to the north of Toro Canyon, approximately 4.5 air miles east northeast of the summit of Martinez Mountain. 230 Comment
  SBBG81715  Bouteloua aristidoides S. A. Junak 1983-3-23 1641 Riverside Berdoo Cyn Rd, 2.4 mi E of Dillon Rd, Little San Bernardino Mtns 411 Comment
  SEINET3920224  Bouteloua aristidoides N. Duane Atwood 1991-9-9 17077 Riverside 4.8 miles west of Chirachoa Summit along I-10.; 0 Comment
  RSA778395  Bouteloua barbata Amber Swanson, Linda Jean Foster 2011-10-8 640 Riverside Large wash off Blythe Rice Rd 270 Comment
  RSA0124121  Brandegea bigelovii Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8740 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting on the Martinez Slide to the north of Toro Canyon, approximately 5.25 air miles east northeast of the summit of Martinez Mountain. 123 Comment
  RSA27213  Brandegea bigelovii C. L. Hitchcock 1940-3-31 5894 Riverside Between Cottonwood Spring and Pinto Basin. Comment
  RSA708487  Brandegea bigelovii Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10893 Riverside Eastern Coachella Valley. Bajada beneath Mecca Hills , just east of Coachella Canal. 24 Comment
  SEINET3217333 Image available Brandegea bigelovii T. B. Salvato 2010-4-20 4056 Riverside Sonoran (Colorado) Desert; alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe. (McCoy Peak 7.5 Q.) 183 Comment
  RSA778390  Brandegea bigelovii Amber Swanson, Linda Jean Foster 2011-10-8 645 Riverside Washes in the Little Santa Maria Wilderness W of Midland/Blythe-Rice Rd. 272 Comment
  UCR104898  Brassica nigra A. C. Sanders 1997-3-19 20027 Riverside Lake Skinner area, S foot of Bachelor Mtn., across the northern arm of the lake from the boat ramp 473 Comment
  UCR275352  Brassica rapa T. B. Salvato, Melissa Clemons 2005-6-9 1495 Riverside Peninsular Range, Gavilan Hills, E/W trending side canyon feeding into Walker Canyon, c. 0.3 mile northeast of Hwy 15 457 Comment
  OBI78678  Brassica tournefortii Scott D. White 1995-3-30 2647 Riverside San Jacinto Valley: Moreno Valley, hille ca. 0.7 air mile directly S of 60 Fwy and west bend on Moreno Beach Dr. 579 Comment
  RSA784969  Brassica tournefortii Duncan S. Bell 2012-3-18 3232 Riverside The Mecca Hills; at the mouth of Box Canyon, on the north side of the Coachella Canal. 14 Comment
  SD232232  Brassica tournefortii Scott D. White 2003-3-23 8844 Riverside Santa Rosa Mountains: Desert slope; Hwy 74 near Carrizo Creek crossing. 609 Comment
  UCR89546  Brassica tournefortii George K. Helmkamp 1994-3-8 41 5 Riverside Western Colorado Desert, Indio Hills, junction of Palm Dr. & Varner Rd, below Edom Hill 200 Comment
  JOTR16568  Brickellia californica Baker, James K. & Baker, Ilisa T. 1966-10-19 s.n. Riverside Joshua Tree National Park. ROAD TO PROSPECTS 1/2 MILE WEST OF SPLIT ROCK 1341 Comment
  UCR94934  Brickellia californica Scott D. White 1996-9-22 4527 Riverside Perris Basin, Lakeview Mtns: north of Homeland, along Juniper Flats Road, c. 1.2 road miles north of intersection with State Hwy 74, unnamed drainage channel parallel to the road 500 Comment
  RSA767667  Brodiaea Robert F. Thorne, Walter Wisura, E. W. Lathrop, Sara Meury 1985-5-18 60645 Riverside Santa Rosa Plateau: Mesa de Colorado 625 Comment
  SEINET7063429  Brodiaea filifolia A. G. Vestal 1947-1 Riverside Comment
  UCR218074  Brodiaea santarosae Steve Boyd 2010-5-26 12277 Riverside Santa Ana Mountains, Elsinore Peak, south slope, just north of trail along ''old Main Divide Road'' and east of road up to communications towers 1037 Comment
  UCR265595  Bromus carinatus Jordan Zylstra 2014-3-18 14007 Riverside San Jacinto Mountains, Apple Canyon, west of Apple Canyon Road 1453 Comment
  UCR44200  Bromus carinatus A. C. Sanders 1986-6-1 6539 Riverside San Jacinto Mtns., trail to Spitler Peak from the Herkey Creek Camp to Bonita Vista road [=Apple Canyon Rd.] 1829 Comment
  UCR9396  Bromus carinatus D. H. Wilken 1965-6-29 361 Riverside San Jacinto Mtns, Strawberry Meadows, near Idyllwild 1555 Comment
  CLARK-A1528-42  Bromus diandrus Fred B. Essig 1967-5-7 Riverside Riverside Comment
  RSA775807  Bromus diandrus Thomas Stoughton, Christi Gabriel, Stephanie Rockwod 2011-3-29 887 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 915 Comment
  SBBG47545  Bromus diandrus N. C. Cooper 1944-4-22 1116 Riverside Banning 701 Comment
  RSA363849  Bromus diandrus N. C. Cooper 1944-4-22 1116 Riverside Banning. 701 Comment
  UCR107737  Bromus laevipes D. L. Banks 1997-5-5 1955 Riverside NW Palomar Mountains, Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, c. 60 m east of its intersection with Pechanga Creek 396 Comment
  UCSB9690  Bromus madritensis subsp. rubens Van Leeuwen, Henry 1957-4-13 Riverside Whitewater Canyon, 3 mi from US 60 Comment
  CLARK-A1528-43  Bromus mollis C. M. Flanagan 1973-5-12 OO 409 Riverside Morongo Indian Reservation 1158 Comment
  SEINET14423552  Bromus mollis M. Fellows 1983-5-9 Riverside Just W of the UCR Herbarium Comment
  RSA682074  Bromus rubens Scott D. White 2001-3-27 8172 Riverside Moreno Valley area. About 1 air mile East-Northeast of the jtn State Rt. 60 w/ theodore St. Adjacent to County Landfill. 610 Comment
  POM363984  Bromus tectorum N. C. Cooper 1944-4-22 1147 Riverside Banning. 732 Comment
  CLARK-A1528-4561  Bromus trinii John C. Roos, Lucille Roos 1953-3-21 5909 Riverside Andreas Canyon 274 Comment
  UC1043018  Bromus trinii John and Lucille Roos 1952-5-24 5711 Riverside hills n of Moreno 518 Comment
  UCR214145  Bromus trinii A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37709 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, 0.3 mi NNE (14 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 405 Comment
  RSA232962  Buddleja officinalis D. A. Young 1969-3-21 437 Riverside 3 miles west of Elsinore, California on a dirt road north of Highway 71, 500 yards off the road. 244 Comment
  RSA405294  Caesalpinia virgata Anstruther Davidson 1893-4-10 s.n Riverside Palm Springs. Comment
  UC56941  Caesalpinia virgata Dr. A. A. Davidson Riverside Palm Springs Comment
  UCR166540  Caesalpinia virgata Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10878 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  SD217351  Calandrinia ciliata Steve Boyd, Tim Ross, et al 1990-4-2 4042 Riverside Vail Lake area, lower slopes of Agua Tibia Mountain, along Highway 79, East of USFWS Dripping Springs Guard Station. 487 Comment
  UCR171966  Calandrinia ciliata John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula, Long Canyon, Southern California Edison right of way between residential areas, south of Rancho California Road and east of Margarita Road 366 Comment
  RSA0108365  Callitriche heterophylla subsp. bolanderi Robert F. Thorne, Walter Wisura, Earl W. Lathrop, Sara Meury 1985-5-18 60638 Riverside Santa Rosa Plateau: Along seasonal stream in Cole Canyon, near entrance to Nature Conservancy Reserve. 530 Comment
  POM13644  Callitriche marginata P. A. Munz 1922-5-18 5325 Riverside 1/2 mile south of Lake Elsinore. Comment
  RSA234033  Callitriche marginata R. F. Thorne, E. W. Lathrop 1969-5-19 37957 Riverside Santa Rosa Plateau: margin of N end of large vernal marsh, Mesa de Colorado, Rancho California. 624 Comment
  POM12732  Calochortus concolor Philip A. Munz 1922-6-30 5917 Riverside Santa Rosa, Santa Rosa Mountains. 1982 Comment
  SEINET3101964  Calochortus palmeri Marc A. Baker, Michelle Cloud-Hughes 2011-6-12 17376 Riverside Goff Flat, 5.5km southwest of Pyramid Peak. 1625 Comment
  UCR30501  Calochortus plummerae John C. Roos, L. Roos 1952-5-30 5733 Riverside One year old burn on hills of North Moreno between Moreno and Redlands. In branch of San Timoteo Canyon. 503 Comment
  RSA23716  Calochortus splendens Russell S. Woglum 1937-5-22 524 Riverside Temecula. . Comment
  CAS-BOT-BC483503  Calochortus splendens E. W. Lathrop 1965-5-18 5759 Riverside 8 miles west of Murrieta 609 Comment
  UC1929849  Calochortus weedii var. intermedius Scott D. White, Michael Honer 2003-6-17 9548 Riverside S PERRIS BASIN: Murrieta. Interstate 215 / Clinton Keith interchange. Comment
  UCR216952  Calochortus weedii var. intermedius Kim Sparks, Rose Cook 2010-6-10 15 Riverside Perris-Aguanga Basin, French Valley, Warm Springs, about halfway between Big Dipper Way and the creek. 402 Comment
  POM13118  Calycadenia tenella Philip A. Munz 1922-5-19 5337 Riverside 5 miles NE of Murietta. 488 Comment
  UCR114750  Calycadenia tenella Scott D. White, D. E. Bramlet 1999-5-19 7367 Riverside Lake Skinner area, Ridgetop, north-, west-, and northwest facing slopes of Bachelor Mtn. 762 Comment
  UCR48370  Calycadenia tenella Steve Boyd 1986-5-7 1826 Riverside Temescal Canyon, Alberhill Mountain: lower slopes of S flank just east of clay mine area 427 Comment
  RSA689439  Calycoseris parryi Scott D. White, Michael Honer 2003-5-13 9236 Riverside San Bernardino Mtns: Whitewater Canyon, ca. 2 miles north of Bonnie Bell. 579 Comment
  POM351421  Calycoseris wrightii N. C. Cooper 1949-4-8 3312 Riverside Desert Center. 609 Comment
  UCR41629  Calycoseris wrightii A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6095 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UCR85166  Calycoseris wrightii A. C. Sanders, G. K. Helmkamp, Pam MacKay 1995-3-12 16086 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  JEPS122469  Calyptridium monandrum J. M. Andre 2012-6-15 30540 Riverside San Jacinto Mountains; along Highway 243, 10.7 miles south of Interstate 10 (Banning), San Bernardino National Forest. Lake Fulmor 7.5' Q. Comment
  JOTR32126  Calyptridium monandrum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade` 2011-4-26 2282 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; sandy flats at base of mountains and northern edge of valley (Stop 4) 996 Comment
  UCR120957  Calystegia macrostegia A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23887 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  RSA763057  Calystegia macrostegia subsp. arida E. W. Lathrop 1973-4-11 7405 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive. Comment
  UCR112595  Calystegia macrostegia subsp. arida Mitch Provance 1998-2-17 65 Riverside Jurupa Mountains, Slopes on the W side of Sierra Blvd, c. 0.7 km NNW of the Jensen Quarry 396 Comment
  RSA552687  Calystegia macrostegia subsp. intermedia Steve Boyd, Timothy S. Ross, Orlando Mistretta, Bob Boyd 1992-2-26 6695 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  UCR113881  Calystegia macrostegia subsp. intermedia Mitch Provance 2000-6-24 2042 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR278863  Calystegia macrostegia subsp. intermedia Mitch Provance 2011-6-15 17102 Riverside Santa Ana River Valley, Riverside, north side of Market St., 100-200 ft. east of the rip rap along the Santa Ana River34 245 Comment
  RSA714421  Calystegia macrostegia subsp. macrostegia A. C. Sanders 2004-5-12 27872 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  POM78927  Calystegia macrostegia subsp. tenuifolia I. M. Johnston 1925-7-1 s.n. Riverside Along Ontario Road, 3 miles W of Riverside. Comment
  RSA734501  Calystegia macrostegia subsp. tenuifolia Michael Wall 2008-5-31 465 Riverside San Jacinto Valley, Bautista Rd. south east of Hemet; along Bautista road, ca. 5.5 miles SE of Fairview Ave. 732 Comment
  POM47005  Calystegia occidentalis subsp. fulcrata Mary F. Spencer 1919-6-25 1297 Riverside San Jacinto Moutains: Idyllwild. 1616 Comment
  UC310595  Camissonia Philip A. Munz 1926-1-31 9973 Riverside Dos Palmos Spring Colorado Desert Comment
  RSA465919  Camissonia bistorta N. C. Cooper 1947-4-5 2097 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  SEINET4680863  Camissonia bistorta Steve Boyd, Laurel Arnseth; Yvonne Rasmussen 1990-5-3 4549 Riverside Vail Lake area, rolling terrain at junction of Hwy R3 and Powerline Rd. NE of the lake.; 0 Comment
  UCR101788  Camissonia bistorta George K. Helmkamp, E. A. Helmkamp 1997-3-5 1321 Riverside 2.8 mi SE of Gilman Hot Springs 518 Comment
  UCR102737  Camissonia bistorta B. G. Pitzer 1998-1-25 3430 Riverside Lakeview Mtns., Warren Road, just below water tank at base of hills, W side of road c. 0.5 mi. NE of Juniper Flat Road 610 Comment
  UCR116771  Camissonia bistorta A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23898 Riverside Perris-Aguanga Basin region, Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta 396 Comment
  UCR166170  Camissonia bistorta 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
  UCR215514  Camissonia bistorta Daphne K. Christopher, Hannah I. Stevens 2003-4-4 085 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve, off Sage Road 530 Comment
  RSA465932  Camissonia bistorta E. C. Jaeger s.n. Riverside [No location information on label.] Comment
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Nov 6 2011
  UCR30053  Camissonia boothii A. C. Sanders 1983-4-24 3798 Riverside Sonoran (Colorado) Desert, alluvial fan at the NW end of Orocopia Mountains along Hwy 195, c. 3 miles NE of Shavers Well and 2.7 miles NE of the point where the road enters Box Canyon 367 Comment
  RSA465961  Camissonia boothii subsp. condensata E. C. Jaeger 1922-3-27 707 Riverside Colorado Desert. Box Canon, near Mecca. 91 Comment
  RSA465968  Camissonia boothii var. condensata M. B. Dunkle 1935-3-17 4405 Riverside Colorado Desert. 610 Comment
  UCR120929  Camissonia californica A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24928 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  JOTR30963  Camissonia campestris subsp. campestris La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1938 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  RSA0029396  Camissonia campestris subsp. campestris Justin M. Wood, J. Varonin, T. Valentovich 2012-4-23 4680 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
  UCR60774  Camissonia cardiophylla Steve Boyd, Orlando Mistretta 1986-3-13 1476 Riverside Sonoran (Colorado) Desert, West side Palen Mtns: NE of Desert center; first large canyon at NW tip of western segment of range Comment
  UCR104006  Camissonia cardiophylla subsp. cardiophylla George K. Helmkamp, E. A. Helmkamp 1998-2-5 2661 Riverside Sonoran (Colorado) Desert, Indio Hills, 3 mi. east of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  POM47491  Camissonia chamaenerioides Mary F. Spencer 1920-4-7 1465 Riverside Palm Canyon. Colorado Desert 182 Comment
  RSA448928  Camissonia claviformis subsp. aurantiaca M. B. Dunkle 1933-5-6 3442 Riverside Painted Canyon Comment
  SEINET7073471  Camissonia contorta A. G. Vestal 1963-4-25 s.n. Riverside Granite Rocks, about 1 mile west of Radec on Route 71 (presently Route 79). Coordinate datum: NAD27. Comment
  RSA574744  Camissonia graciliflora Steve Boyd 1981-3-31 s.n. Riverside Gavilan Hills region, south end of Harford Springs County Park on the Gavilan Plateau, just north of Ida-Leona Road. 610 Comment
  RSA186678  Camissonia hirtella Peter H. Raven 1962-4-28 17487 Riverside Ortega Highway 1 mile above its east base, Santa Ana Mountains 488 Comment
  UCR261215  Camissonia hirtella A. C. Sanders, Katie Young, John Hale 2015-4-22 41596 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 2 km south of I-10, 1 km NW (303 deg. ) of One Horse Spring 459 Comment
  POM9607  Camissonia ignota I. M. Johnston 1920-5-8 s.n. Riverside Jurupa Mts, extreme west end. between Riverside and Ontario. Comment
  UCR110976  Camissonia intermedia George K. Helmkamp 1998-6-27 4086 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  UCR16382  Camissonia pallida K. T. Ingram 1976-5-1 s.n. Riverside San Bernardino Mtns., Morongo Valley, 0.25 mi. south of intersection of Route 62 and Mission Creek Road. Comment
  RSA465910  Camissonia pallida subsp. hallii N. C. Cooper 1944-4-23 1157 Riverside Banning. 701 Comment
  POM46820  Camissonia pallida subsp. pallida Mary F. Spencer 1920-3-29 1452 Riverside In desert sand, Palm Springs, Colorado Desert. 137 Comment
  UCR269111  Camissonia pallida subsp. pallida Orlando Mistretta, Duncan S. Bell, et al. 2010-4-12 4465 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 488 Comment
  UCR130119  Camissonia refracta Scott D. White 2001-4-3 8242 Riverside Sonoran (Colorado) Desert, Shavers Valley, near the I-10 Freeway, c. 15 miles east of Indio junction of I-10 and Calif. SR 111, adjacent to powerline access roads at unnamed freeway exit accessing pump station 473 Comment
  UCR237633  Camissonia refracta Duncan S. Bell, Amanda Turek 2010-4-10 805 Riverside Riverside Mountains, southern section of the mountain range, c. 1 air mi southwest of Riverside Mountain Peak 269 Comment
  RSA718774  Camissonia refracta Michael Honer, L. Hulse 2004-4-4 1927 Riverside SW base of Cottonwood Mtns., near MWD aqueduct, appx. .75 mi. N of I-10. E edge of Pinkham Wash. 488 Comment
  POM3184  Camissonia strigulosa C. F. Baker 1904-4-5 4116 Riverside Hemet Comment
  RSA162861  Camissonia strigulosa J. D. Olmsted 1959-4-10 348 Riverside Along Hwy. 60-99 [Hwy 10] near Cabazon; Mt. Range: San Gorgonio Pass; Drainage area: Whitewater River. 671 Comment
  OBI2635  Camissoniopsis Dieter H. Wilken 1965-6-29 302 Riverside Along County Rte 1 about 3 mi S of Banning, San Jacinto Mts 914 Comment
  UCR166109  Camissoniopsis A. C. Sanders, N. Ferguson 1994-6-2 14630 Riverside San Jacinto Mtns, Bautista Canyon, c. 1 mile above the forest service boundary 850 Comment
  UC56476  Camissoniopsis bistorta H. M. Hall 1902-4-26 2990 Riverside vicinity of Riverside 365 Comment
  UCR166105  Camissoniopsis bistorta A. C. Sanders, J. C. Dice, K. C. Rose, D. Woodard 1995-3-29 16249 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
  JOTR34272  Camissoniopsis pallida subsp. pallida La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3288 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Sandy, narrow canyon at base of Quail Mountain with bouldery/rocky slopes; North end of Juniper Flats (Stop 3) Comment
  CDA20469  Cannabis indica R. W. Schaffer 2004-3-18 PDR 1262001 Riverside Southern California; Ave 44 & Dillon in Indio. 0 Comment
  CLARK-A1528-350  Capsella bursa-pastoris Joe Buriel 1966-2-26 Riverside Lake Matthews 457 Comment
  CLARK-A1528-177  Carduus pycnocephalus Larry Cohen 1969-5-8 Riverside Reche Canyon 457 Comment
  RSA0105835  Carduus pycnocephalus Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  RSA364633  Carex fracta M. B. Dunkle 1933-7-19 3666 Riverside Strawberry Valley. San Jacinto Mountains. 1707 Comment
  UCR178850  Carex praegracilis T. B. Salvato, Tracy Tennant 1998-1 MOR- 804 Riverside San Bernardino Mtns., Morongo Indian Reservation, upper Potrero Canyon, near sag pond at Burro Flats, tree stand P-11 1098 Comment
  UCR277703  Carex praegracilis Mitch Provance 2013-4-16 413- 19 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  RSA769177  Carex senta P. F. Zika, Nick Otting 2010-8-3 25244 Riverside Vicinity of Willow Creek, San Jacinto Wilderness Area, San Jacinto Mountains, Penisula Ranges 2550 Comment
  CAS-BOT-BC115633  Carex triquetra Alan Ackerman Beetle 1944-4-27 3008 Riverside West of Murietta, canyon slopes in chaparral belt. Comment
  CHSC108389  Carya illinoinensis R. E. Riefner Jr. 2007-6-16 07 -258 Riverside City of Hemet, Lake St. at Florida Ave. (Hwy 74). UTM: (NAD 83) 11S 0507778E 3734143N. 530 Comment
  JEPS46520  Castela emoryi E. E. Schellenger May 1920 Riverside Hayfields e Mecca (Colorado Desert); , Hayfields e of Mecca Comment
  JOTR35368  Castela emoryi Harding, Mitzi, M. Wheeler 2011-1-26 152 Riverside Joshua Tree National Park. West Coxcomb Mountains; rocky foothills/slopes above bouldery wash (STOP4) 424 Comment
  JEPS8585  Castilleja affinis subsp. affinis Rimo Bacigalupi with J. F. MacBride, Ruth D. Sanderson, and C. Leroy Custer 1952-3-30 3549 Riverside 1 mi n Temescal Guard Station (State Highway 71, 9 mi se of Corona) 335 Comment
  UCR100155  Castilleja applegatei subsp. martini Scott D. White 1994-4-23 2034 Riverside San Bernardino Mtns, Millard Canyon, c. 8 air mi. north of Cabazon. USFS Rd 2S05.2, c. 0.3 mi. south of junction of 2S05.2 & 2S05B; c. 1.7 mi. south of Deer Spring & 1 mi. SW of Bear Wallow Spring 1311 Comment
  POM71676  Castilleja applegatei subsp. martinii Philip A. Munz 1924-5-18 8131 Riverside 18 miles south of Banning on Idyllwild Road. 1524 Comment
  RSA448696  Castilleja applegatei subsp. martinii N. C. Cooper 1945-5-24 1666 Riverside Big Oaks Canyon, Banning. 1220 Comment
  UCR20784  Castilleja exserta A. C. Sanders, Steve Boyd 1980-5-2 1410 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UC1552003  Castilleja foliolosa Lyman Benson 1946-4-15 12038 Riverside along 29 Palms Rd from town of Whitewater; San Bernardino Mtns., Colorado Desert 457 Comment
  UCR100096  Castilleja foliolosa R. G. Swinney 1967-3-5 0671 Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 381 Comment
  RSA0035035  Castilleja foliolosa Nancy Anderson 1955-5-21 s.n. Riverside Banning. 1219 Comment
  RSA706  Castilleja linariifolia J. T. Howell 1927-8-1 526 Riverside Mission Creek, Colorado Desert. 610 Comment
  RSA741184  Castilleja minor subsp. spiralis Scott D. White, Justin M. Wood 2008-6-16 12116 Riverside San Jacinto Mountains: Fobes Canyon, +/- 1 mile up Fobes Ranch Road from Fobes Spring. 1540 Comment
  RSA746820  Caulanthus heterophyllus Michael Honer 2003-4-16 1832 Riverside Gavilan Hills, W slope: about 1 mile N of I-15 freeway, 1 mile E of Lake St. exit. On and around peak 2349 640 Comment
  SBBG101792  Caulanthus lasiophyllus S. Boyd with T. Ross, M. Hammitt 1991-5-2 6123 Riverside Vail Lake region, summit of Oak Mtn, N of lake near Henderson Benchmark Comment
  UC1611558  Ceanothus Steve Boyd, Chris Frazier 1993-4-24 8013 Riverside Palomar Range s of Vail Lake (at n base of Agua Tibia Mt., Agua Tibia Wilderness Area, Cleveland National Forest, along trail extending s from end of Woodchuck Road); Palomar Range, Cleveland Nat'l Forest, Agua Tibia Mt. 1000 Comment
  RSA569992  Ceanothus crassifolius Steve Boyd, Tim S. Ross 1993-3-23 7901 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road, 610 Comment
  RSA606764  Ceanothus crassifolius Jon E. Keeley 1996-5-5 27359 Riverside Chaparral S of Hwy 79 on Woodchuck Rd., E of Temecula. 183 Comment
  RSA0067952  Ceanothus greggii John F. Emmel 1994-4-17 1293 Riverside San Jacinto Mts.; 0.1-0.2 air mile west of Fobes Spring, NE of Garner Valley. 1463 Comment
  RSA500224  Ceanothus greggii var. perplexans Steve Boyd, C. Boyd, K. A. Boyd 1989-4-15 3252 Riverside San Jacinto Mountains. Pinyon Flats-Ribbonwood area north of Hwy 74, near area of white rock outcrops. Comment
  RSA586046  Ceanothus leucodermis D. L. Banks, S. D. Boyd 1995-3-16 98 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, Arroyo Seco drainage. 549 Comment
  UC1611574  Ceanothus ophiochilus Steve Boyd, Kyle Boyd 1993-3-28 7914 Riverside Palomar Range s of Vail Lake (at n base of Agua Tibia Mt., Agua Tibia Wilderness Area, Cleveland National Forest, along trail extending s from end of Woodchuck Road); Palomar Range, Cleveland Nat'l Forest, Agua Tibia Mt. 792 Comment
  SD229241  Ceanothus palmeri Dick Schwenkmeyer 2012-6-27 760 Riverside Strawberry Creek, 1/4 mile northwest of Humber Park, Idyllwild. 1914 Comment
  UC1071209  Ceanothus palmeri A. E. Wieslander 1936-8-29 683 Riverside Vista Grande R.S. San Bernardino National Forest, San Jacinto Quad. Comment
  SBBG68542  Ceanothus perplexans R. C. and J. R. Robbins 1933-2-15 Riverside Pinyon Flat, Palms to Pines (St Hwy 74) Comment
  RSA0022335  Ceanothus perplexans Jerry Wilk 1969-5-24 s.n. Riverside 15 mi So. of Banning on Palms to Pines Hwy. Comment
  UCR207552  Celtis australis O. F. Clarke 2003-10-6 s.n. Riverside Peninsular Range; Box Springs Mtns. Foothills, Riverside, UCR campus 366 Comment
  UCR140872  Centaurea repens John Rimoldi 2004-8-15 s.n. Riverside San Bernardino Valley Region, Arlington area of Riverside, Doolittle Ave., c. 0.5 km NW of Van Buren Blvd. on Doolittle, west of Riverside Airport 226 Comment
  UCR104891  Centaurea solstitialis A. C. Sanders, O. F. Clarke 1997-5-4 20670 Riverside Beaumont, near railroad on east side of Hwy 79, south of Hwy I-10 793 Comment
  UCR238750  Centaurea solstitialis John F. Green 2012-9-11 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, between Perris and March Air Base, Harvill Ave. at Markham St., just west of I-215 Fwy 464 Comment
  POM3384  Centaurium exaltatum Geo R. Hall 1905-9-3 s.n. Riverside Riverside Comment
  UC1536027  Centromadia pungens subsp. laevis R. F. Thorne, P. A. Munz, Earl Lathrop 1968-5-8 37606 Riverside Lake Elsinore: behind levee at SE end of Lake Elsinore, ca. 1 miles S of Elsinore. Comment
  SD51948  Cerastium fontanum Reid Moran 1962-7-7 9856 Riverside By Strawberry Creek, 2.0 muiles southwest of Idyllwild. 1550 Comment
  RSA526484  Cerastium glomeratum Steve Boyd, Timothy S. Ross 1990-5-11 4681 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
  CSUSB1617  Cercidium floridum Wayne White 1975-5-17 Riverside Chuckwalla Mountains On Red Cloud Road, off Highway I-10, Chuckwalla Mountains. Colorado Desert. 484 Comment
  RSA776695  Cercidium floridum Duncan S. Bell, Amanda Turek 2010-4-10 788 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  JEPS64758  Cercidium floridum subsp. floridum W. L. Jepson 1928-4-23 12545 Riverside Shavers Well Colorado Desert 152 Comment
  UC863506  Cercidium floridum subsp. floridum I. W. Clokey 1935-4-17 6705 Riverside Shafer Wells Colorado Desert Comment
  RSA453309  Cercocarpus betuloides J. Ewan 1929-6-16 3584 Riverside Lily Creek Canyon. Comment
  CAS-BOT-BC135499  Cercocarpus betuloides var. betuloides Nancy Ryan Zabriskie; Walter Zabriskie 1972-10-22 546 Riverside In small dry watercourse area, NE side Cactus Spring Trail west of Horsethief Canyon, Deep Canyon drainage, north slope Santa Rosa mts. 1097 Comment
  RSA772139  Cercocarpus betuloides var. betuloides Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4975 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 823 Comment
  UC859434  Cercocarpus betuloides var. betuloides K. Watkins, E. McClintock 1937-4-10 Riverside Palms to Pines Highway near road to Shumay Comment
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Dec 17 2011
  CLARK-A1045-285  Chaenactis artemisiifolia George K. Helmkamp 1979-5-16 Riverside San Jacinto Mountains middle of road to Oak Spring off San Jacinto Ridge Road; ; Lake Fulmor 7.5'Q 1066 Comment
  SBBG101702  Chaenactis artemisiifolia S. Boyd with T. Ross, M. Hammitt 1991-5-2 6101 Riverside Vail Lake region, Billy Goat Mtn, ca. 3 mi N of Hwy 79, ca. 1 mi W of Hwy 371, N of Aguanga; T8S, R1E, W1/2 S15 600 Comment
  LA203118  Chaenactis carphoclinia var. carphoclinia Elizabeth McClintock; 1936-5-9 sn Riverside Pines to Palms Highway Comment
  RSA124288  Chaenactis carphoclinia var. carphoclinia E. K. Balls, Percy C. Everett 1958-3-20 22938 Riverside south base of Eagle Mountains. US Highway 60/70. 365 Comment
  JOTR32431  Chaenactis fremontii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2279 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; sandy flats at base of mountains and northern edge of valley (Stop 4) 996 Comment
  POM6569  Chaenactis fremontii Philip A. Munz, L. T. Street, Williams 1919-3-28 2464 Riverside San Gorgonio Pass, between Whitewater and Cabazon. Comment
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Mar 13 2011
  RSA100836  Chaenactis fremontii Palmer Stockwell 1940-4-24 1507 Riverside 1 mile E of Banning. Comment
  RSA770843  Chaenactis fremontii Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4947 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  RSA775095  Chaenactis fremontii Duncan S. Bell, Amber Swanson 2011-2-18 2035 Riverside Coachella Valley area; Edom Hill; along Edom Hill Road near dump; 0.6 road miles from junction of Varner Road and Edom Hill Road. 259 Comment
  UC1930183  Chaenactis fremontii Steve Boyd, Amber Maurice, Pesach Lubinsky, L. Lubinsky 2003-4-17 10462 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  SEINET2049369 Image available Chaenactis glabriuscula Ricardo Montijo 1990-4-27 Riverside Rancho California area: E of Santa Rosa Plateau, Green Meadow Road off of de Portoloa Road. T7S, R1W, sec. 30. 610 Comment
  SFV3811  Chaenactis glabriuscula P. G. Kilburn 1958-5-17 810 Riverside 3 miles south of Banning. 305 Comment
  UCR49242  Chaenactis glabriuscula Steve Boyd 1986-4-22 1744 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  CAS-BOT-BC277416  Chaenactis glabriuscula var. glabriuscula H. M. Hall 1899-5-1 s.n. Riverside San Jacinto Mt. (Van de Venter's [Vandeventer]) 1371 Comment
  HSC85279  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1986-5-1 1820 Riverside S slopes of Bachelor Mtn, E end of Lake Skinner Comment
  UC185581  Chaenactis glabriuscula var. glabriuscula Mrs. Lottie M. Wilder 1905-5-24 Riverside near Riverside (Wilder's) Comment
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Feb 2 2013
  UC63011  Chaenactis glabriuscula var. glabriuscula H. M. Hall 1901-6-1 2036 Riverside s side of San Jacinto Mts. 1341 Comment
  VVC2880  Chaenactis glabriuscula var. glabriuscula Tim Thomas, P. J. MacKay 2010-4-12 5052 Riverside San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw. 878 Comment
  UCR34890  Chaenactis parishii L. B. Ziegler 1967-7-5 173 Riverside San Jacinto Mtns., south slope of Thomas Mountain 1616 Comment
  JOTR29611  Chaenactis stevioides Andre, Jim 2006-4-26 6749 Riverside Joshua Tree National Park. about 0.5 mi. NNE of Rattlesnake Spring on ridge just south of radio tower and NE corner of park boundary 1320 Comment
  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
  RSA0026118  Chaenactis stevioides J. Andre, Glenn L. Clifton, Ron Kelley 2013-3-21 24398 Riverside West Riverside Mountains; at base of NW corner of range where sand ramps 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 run up against granitic bouldery slopes, about 10 miles SW of Vidal Jct., 3 miles south of 'Grommet' RR xing at Highway 62. 363 Comment
  RSA781397  Chaenactis stevioides Duncan S. Bell 2010-5-1 913 Riverside Arica Mountains: northwest of mountain range, approximately 6.5 air miles southwest of the ghost town of Rice, and approximately 5 air miles northwest of Priests Well. 339 Comment
  SD247316  Chaenactis stevioides T. B. Salvato, R. T. Hawke, et al. 2013-3-8 7303 Riverside Sonoran (Colorado) Desert: south of Highway I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road about 1.4 kilometers west of its junction with Augustine Pass Road. 136 Comment
  UC69076  Chaenactis stevioides H. M. Hall 1905-4-1 5903 Riverside near Chuckawalla Springs; Colorado Desert Comment
  UCR21293  Chaetopappa aurea A. C. Sanders 1980-5-1 01361 Riverside San Jacinto Mountains, Garner Valley. Dry bench above valley floor 0.25 mi NW of Kenworthy Ranger Station 1433 Comment
  UCR34885  Chaetopappa aurea L. B. Ziegler 1969-6-3 311 Riverside San Jacinto Mtns, Thomas Mtn. 1835 Comment
  RSA793611  Chamaesyce micromera Duncan S. Bell, Aaron Sedgwick 2012-9-13 4202 Riverside The Mecca Hills; along what was left of Box Canyon Road after having been buried by a flash flood from a large summer storm, approximately 5 air miles northeast of the junction of Box Canyon Road and the Coachella Canal, or approximately 1.25 air miles southwest of Shavers Well. 240 Comment
  RSA433501A  Chamaesyce polycarpa M. B. Dunkle 1934-2-19 3842 Riverside San Juan Canyon. 610 Comment
  RSA433508A  Chamaesyce polycarpa E. A. McGregor 1964-1-30 s.n. Riverside Dry bed of Lake Elsinor. Comment
  RSA763995  Chamaesyce polycarpa Justin M. Wood, Dustin M. Ray 2010-10-21 3004 Riverside Chuckwalla Valley NE of Victory Springs and 0.9 km E of Kaiser Road on unmarked 4WD road. 198 Comment
  RSA655094  Chamaesyce polycarpa var. polycarpa Scott D. White 2000-4-17 7653 Riverside Menifee / Sun City Area: South of McColl Ave. and east of I-215 freeway. 442 Comment
  RSA627497  Chamaesyce prostrata L. C. Wheeler 1965-6-27 8691 Riverside Corona: Overboltzer's Grove. Comment
  UC71520  Cheilanthes clevelandii Miss Alice King 1892-1 Riverside Comment
  UCR133030  Cheilanthes newberryi Scott D. White 1993-4-22 1263 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  CAS-BOT-BC68051  Cheilanthes parryi C. L. Parry; J. G. Lemmon 1876-4-1 s.n. Riverside Colorado Desert side of Mt. San Jacinto Comment
  UCR75040  Cheilanthes parryi A. C. Sanders, E. J. Lawlor 1992-4-4 12154 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  POM281108  Cheilanthes viscida Lyman Benson 1946-4-15 12031 Riverside Canyon on Twenty-nine Palms Road from Whitewater. San Bernardino Mountains, Colorado Desert drainage area. 457 Comment
  CLARK-A1528-2555  Chenopodium album John C. Roos 1951-9-25 5295 Riverside Riverside 259 Comment
  UCR92249  Chenopodium botrys Scott D. White 1995-8-23 3565 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  RSA562454  Chenopodium californicum Steve Boyd, Timothy S. Ross 1992-5-5 7235 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail. 732 Comment
  SEINET14416905  Chenopodium missouriense Mitch Provance 2012-1 61251 Riverside San Bernardino Valley: Box Springs Canyon, SW base of the Box Springs Mountains, E side of Interstate 215, .25 mi SE of the intersection of Gernert Rd. and Watkins Dr. 422 Comment
  OBI17202  Chenopodium murale Tracey & Viola Call, Viola Call 1962-4-8 2122 Riverside Rancho rd, Corona 213 Comment
  CAS-BOT-BC231777  Chilopsis linearis Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  HSC27211  Chilopsis linearis J. P. Smith, J. O. Sawyer 1973-6-10 6884 Riverside Joshua Tree National Monument. Comment
  RSA0041964  Chilopsis linearis Duncan S. Bell, Loraine Washburn 2014-4-8 s.n. Riverside Orocopia Mountains; at the entrance to Petra Canyon in Red Canyon, approximately 1 air mile north of the Bradshaw Trail. 398 Comment
  POM122462  Chilopsis linearis subsp. arcuata Marcus E. Jones 1926-6-8 S.N. Riverside Whitewater. Colorado Desert. Comment
  UCR272663  Chilopsis linearis subsp. arcuata Sarah J. De Groot, Duncan S. Bell 2015-5-14 7373 Riverside SE San Bernardino Mtns./Sonoran Desert, White Water, along Pacific Crest Trail about 400 m south of Forks 3028, and about 450 m south of Red Dome 768 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
  UCR102887  Chloris truncata A. C. Sanders 1997-3-26 20138 Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  RSA585048  Chloris truncata V. McAfee-Jacobs, B. R. Drake 1995-11-6 1 Riverside Temecula: Drake Enterprises vineyard at Buck Rd. and Berenda Road Comment
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Apr 10 2009
  RSA689435  Chloris truncata R. E. Riefner 2003-10-21 3 -461 Riverside Menifee Valley, along Newport Road 1 mi. E of Goetz Road intersection. 442 Comment
  SEINET9308063  Chloris truncata Unknown 2001-8-30 Riverside Riverside Comment
  RSA689682  Chloris virgata R. E. Riefner Jr. 2003-10-21 3 -459 Riverside Menifee Valley, along Newport Road 1 mile E of Goetz Road intersection 442 Comment
  RSA192175  Chlorogalum parviflorum E. W. Lathrop 1966-6-1 6370 Riverside 14 miles NW of Murrieta, Los Alamos Road between Fisherman Camp and Main Divide Truck Trail. Cleveland National Forest. Comment
  CAS-BOT-BC191700  Chorizanthe brevicornu var. brevicornu John Thomas Howell 1928-3-25 3555 Riverside 10 miles S of Palm Springs on road to Indio, Colorado Desert Comment
  CAS-BOT-BC191704  Chorizanthe brevicornu var. brevicornu E. E. Schellenger 1911-4-24 s.n. Riverside S of Palms Springs. Colorado Desert Comment
  SBBG81486  Chorizanthe brevicornu var. brevicornu S. A. Junak 1983-3-23 1623 Riverside Jefferson Rd, across from entrance to Cahuilla Lake County Park, S of Indio Comment
  UCR48528  Chorizanthe coriacea Steve Boyd 1986-4-19 1697 Riverside Peninsular Range, Temescal Canyon, east side of Indian wash between I-15 and Temescal Canyon Road 351 Comment
  UC279686  Chorizanthe corrugata Edmund C. Jaeger 1926-2-28 Riverside Dos Palmas near Mecca; Colorado Desert, Dos Palmas near Mecca Comment
  UCR133333  Chorizanthe fimbriata John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR175062  Chorizanthe fimbriata Teresa Nieto 2005-5-26 33 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  SDSU13527  Chorizanthe fimbriata var. fimbriata W. Miller with C. Mosse 1972-7-20 Riverside Comment
  UC217989  Chorizanthe fimbriata var. fimbriata P. A. Munz, I. M. Johnston 1922-5-18 5318 Riverside 3 mi e Murietta; e of Murietta 457 Comment
  UCR48366  Chorizanthe fimbriata var. fimbriata Steve Boyd 1986-5-1 1817 Riverside S slopes of Bachelor Mtn, east end of Lake Skinner Comment
  UCSB47599  Chorizanthe leptotheca Roberts, Fred 1980-6-25 Riverside San Jacinto Mountains; near Hwy 371, 8km SW Anza Comment
  UCR100159  Chorizanthe parryi Scott D. White 1994-4-23 2036 Riverside San Bernardino Mtns., Millard Canyon, c. 5 air miles north of Cabazon: U.S. Forest Service Road 2S05.1, c. 1-1.5 mi. south of Millard Canyon Guard Station and junction of roads 2S05.2 & 2S05.1A (= East Branch) 1037 Comment
  UCR260835  Chorizanthe parryi var. parryi A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41519 Riverside San Gorgonio Pass, 2.5 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope NE of the water bottling plant, east of Elm St. and south of I-10 483 Comment
  UCR78332  Chorizanthe polygonoides subsp. longispina D. E. Bramlet 1993-4-26 2334 Riverside Peninsular Range, Temecula, c. 4 km south of intersection of Pauba Rd & Butterfield Stage Rd, 46-300 m west of Butterfield Stage Rd. 372 Comment
  SD148094  Chorizanthe polygonoides var. longispina D. E. Bramlet 1993-5-10 2348 Riverside Lake Skinner area, Lake Skinner County Park, 0.5 miles west of 'Old' Warren Road, 1.9 miles west of west of 'Old' Warren Road, 0.25 miles south of access road; Bachelor Mountain 7.5' quad. 470 Comment
  UCR159985  Chorizanthe polygonoides var. longispina S. J. Myers 2003-4-22 s.n. Riverside Murrieta Area, hill 1564 between Auld. Rd. and Benton Rd. near Pourroy Rd., south of Alamos School site, north of Tucalota Creek 477 Comment
  UCR217539  Chorizanthe polygonoides var. longispina Diane Menuz 2008-4-9 400 Riverside Perris-Hemet Basin, Hartford Springs Reserve, near Idaleona Road 616 Comment
  RSA392686  Chorizanthe staticoides N. C. Cooper 1944-6-4 1323 Riverside Elsinore Mountain; Lookout at top. 1067 Comment
  UC284215  Chorizanthe staticoides P. A. Munz and D. D. Keck 1923-6-14 7085 Riverside Glen Ivy trail to Santiago Peak; Santa Ana Mts. 1463 Comment
  LA206562  Chorizanthe xanti Carl Epling; William Robison 1933-6-24 Riverside Little San Bernardino Mountains, San Gorgonio Wash Comment
  CAS-BOT-BC248060  Chorizanthe xanti var. leucotheca S. B. Parish 1907-4-19 6168 Riverside Palm Springs, Western edge of the Colorado Desert 200 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-BC36261  Chrysolepis sempervirens Mary F. Spencer 1919-7-8 665 Riverside Tacquitz ridge, San Jacinto Mt. 2438 Comment
  RSA476635  Chrysolepis sempervirens G. R. Johnstone 1928-9-3 s.n. Riverside Near the Summit. San Jacinto Mt. 3277 Comment
  POM351972  Chrysothamnus nauseosus subsp. bernardinus N. R. Zabriskie, W. M. Zabriskie 1971-8-21 434 Riverside Toro Peak, Santa Rosa mtns 2657 Comment
  JOTR16577  Chrysothamnus nauseosus subsp. mohavensis Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. ROADSIDE TO STUBBE SPRING 1341 Comment
  JOTR30292  Chrysothamnus nauseosus subsp. mohavensis Andre, Jim, Tasha La Doux 2007-9-6 8703 Riverside Joshua Tree National Park. On dirt road to Lost Horse Ranger Station, below Hemingway Buttress 1236 Comment
  POM316422  Chrysothamnus paniculatus R. F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55386 Riverside San Bernardino Mountains: Whitewater Canyon, about 3.3 miles north of Whitewater Post Office 595 Comment
  UC1184297  Chylismia brevipes subsp. brevipes Peter H. Raven 1958-1-25 11475 Riverside 5.5 mi se Painted Canyon turn-off; Box Canyon Comment
  UCR245256  Chylismia brevipes subsp. brevipes Jim Andre 2012-3-19 21294 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
  JOTR34374  Chylismia claviformis subsp. aurantiaca Andre, Jim 2012-4-16 20894 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  SBBG5110  Chylismia claviformis subsp. aurantiaca H. and M. Dearing 1939-12-31 4048 Riverside 5 mi N Palm Springs Comment
  CAS-BOT-BC162784  Chylismia claviformis subsp. claviformis D. E. Breedlove 1962-3-11 1889 Riverside 3 miles southwest of Palm Desert 426 Comment
  UCR47056  Cirsium occidentale var. occidentale E. J. Lawlor 1987-4-26 43 Riverside San Timoteo Badlands, Redlands Blvd, 2.2 mi. north of Hwy 60 640 Comment
  UCR202218  Cirsium vulgare Denise Woodard, G. Nuhn 1995-8-21 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, 300 acre parcel at west end of Domenigoni Valley, c. 3 miles south of Winchester on the west side of Winchester Rd. 470 Comment
  RSA65432  Cistanthe ambigua F. W. Peirson 1926-1-31 6485 Riverside About a mile above station on Mecca Road, Dos Palmas. Colorado Desert. Comment
  CAS-BOT-BC438849  Cistanthe monandra L. R. Abrams 1926-3-26 11038 Riverside Palm Springs Comment
  POM778  Cistanthe monandra L. T. Street, Durant 1918-5-12 s.n. Riverside San Jacinto River Canyon. Comment
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Apr 16 2011
  RSA221049  Clarkia bottae E. W. Lathrop 1966-5-17 6543 Riverside 4 mi. W of Corona, between Tin Mine Canyon and Santiago Peak. 610 Comment
  UCR178338  Clarkia dudleyana Tracy Tennant, Jeffrey Ross 1998-7-21 MOR- 652 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  UC20315  Clarkia epilobioides Mrs. Gregory 1892-1 Riverside San Jacinto San Jacinto Comment
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Jul 22 2010
  CAS-BOT-BC172565  Clarkia purpurea subsp. purpurea A. C. Sanders 1997-5-1 20612 Riverside Lake Skinner area, north foot and lower slopes of Black Tmn., edge of Crown Valley on E side of Rawson Canyon 670 Comment
  RSA674597  Clarkia purpurea subsp. quadrivulnera Scott D. White 2000-8-5 8103 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  POM122431  Clarkia rhomboidea Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  UCR195126  Clarkia rhomboidea A. C. Sanders, Tim Thomas 2008-8-1 35964 Riverside Peninsular Range; San Jacinto Mtns., lower Coldwater Creek near Mountain Center, SSE of Keenwild Fire Station 1372 Comment
  SD217337  Clarkia unguiculata Darin L. Banks, Elizabeth Hedge Banks 1996-5-2 961 Riverside Agua Tibia Mountains: Northwest foothills of Dorland Mountains; South end of Los Caballos Road, University of California-Emerson Oaks Reserve, approximately 20 meters inside the preserve boundary gate. 3 meters East of the main road along an open field. 448 Comment
  RSA5006  Claytonia parviflora subsp. parviflora Dorothy R. Wolf 1932-3-20 6 Riverside Richman Ranch 2.5 mi N of De Luz. SW Riverside County 457 Comment
  UCR120156  Claytonia perfoliata Mitch Provance 1998-2-28 124 Riverside Jurupa Mountains, NE 'Wilder's Canyon', (what is sometimes referred to as the E fork of Pyrite Canyon) 351 Comment
  RSA509570  Claytonia perfoliata subsp. mexicana Ed LaRue 1989-3-30 s.n. Riverside Rancho California area, ca. 4 miles W of Temecula,with Ave. del Oro as the N boundary. 381 Comment
  SD152773  Clematis lasiantha Steve Boyd, T. Ross, O. Mistretta 1992-3-31 6758 Riverside Santa Ana Mountains, San Mateo Cyn. Wilderness Area. Tenaja Trail from jtn w/ Morgan Tr. S to Pigeon Spring 671 Comment
  RSA219223  Clematis ligusticifolia C. W. Tilforth 1970-10-16 319 Riverside Road to Santa Rosa Mountain Comment
  SBBG112483  Clematis pauciflora C. Bornstein 1994-5-1 Riverside Barker Dam; Joshua Tree Nat Monument 1280 Comment
  SBBG114206  Clematis pauciflora C. Bornstein, E. Collins 1992-4-13 Riverside Hwy 74 (Ortega Hwy) near summit 762 Comment
  SDSU13364  Clematis pauciflora Tarja Sagar, Michael G. Simpson & Taxonomy of CA Plants Class 2000-4-1 13 Riverside Santa Margarita Ecological Reserve (SDSU). 0.7 miles SW of the Northside Field Station. 241 Comment
  UCR138893  Clematis pauciflora D. L. Banks 1997-4-5 1661 Riverside Agua Tibia Mtns., NW Palomar Mtns: Pechanga Indian Reservation. south of Dorland Mountain, just west of the Wilderness Area Boundary, along a tributary of the N fork of Pechanga Creek 640 Comment
  UC219054  Collinsia concolor Munz and Johnston 1922-5-19 5433 Riverside Hemet Valley; San Jacinto Mtns; Hemet Valley 1402 Comment
  RSA0117412  Collinsia concolor J. D. Olmsted 1962-5-1 3425 Riverside NE slope just west of top of highest Southern Californica waterfall; 1/4 mi SE of Falls Plateau, Snow canyon N of Mt. San Jacinto. 945 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
  UCR46724  Conyza coulteri B. G. Pitzer, D. C. Hawks 1986-12-2 0440 Riverside Peninsular Range, Temescal Canyon, c. 1 mi north of Glen Ivy Hot Springs and 0.5 mi west of I-15 off Lawson Drive between Temescal Canyon Road & Warm Springs Dr. 336 Comment
  RSA786957  Cordylanthus filifolius Robert F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49542 Riverside Santa Ana Mountains: along Ortega Highway (74), perhaps 1/4 mile west of El Cariso Comment
  SBBG27300  Cordylanthus nevinii I. W. Clokey 1935-8-21 Riverside Fuller's Crk 1500 Comment
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Dec 5 2007
  UC885642  Cordylanthus nevinii I. W. Clokey, E. G. Anderson 1935-8-21 6904 Riverside Fuller's Creek; San Jacinto Mts 1500 Comment
  UCR35231  Cordylanthus nevinii L. B. Ziegler 1967-8-30 229 Riverside San Jacinto Mtns., Upper Strawberry Valley under Lily Rock. 1982 Comment
  UCR227807  Cordylanthus rigidus Duncan S. Bell, Joy England 2010-6-7 1271 Riverside San Jacinto Mountains, San Bernardino National Forest, Rouse Ridge, c. 1.4 air miles southeast of the junction of Hwy 74 and Forest Service Road 5S15 775 Comment
  RSA0011005  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Joy D. England 2010-6-7 1271 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.4 air miles southeast of junction of Highway 74 and forest service road 5S15. 775 Comment
  RSA226545  Cordylanthus rigidus subsp. setiger C. W. Tilforth 1970-9-2 304 Riverside Common at lower elevation along fire road to Santa Rosa Mountain. Comment
  UC729816  Cordylanthus rigidus subsp. setiger Carl B. Wolf 1932-8-4 3917 Riverside near Idyllwild; San Jacinto Mts., Point View 1645 Comment
  JOTR34471  Coreopsis bigelovii Andre, Jim 2012-4-16 20954 Riverside Joshua Tree National Park. Pleasant Valley; along Geology Tour Road at SW end of one-way loop at drainage below Pinyon Well. Approx. 7.5 mi south of Natl Park loop road (paved). 1094 Comment
  POM356008  Coreopsis californica M. B. Dunkle 1935-3-30 4420 Riverside Pinto Basin, Colorado Desert. 915 Comment
  LA99062  Corethrogyne filaginifolia E. R. Hobbs; G. Malanson, Walt Westman 1978-9-30 78- 132 Riverside Cortrite Avenue, Homeland Comment
  UC895241  Corethrogyne filaginifolia I. W. Clokey and E. G. Anderson 1935-8-21 6963 Riverside e Keen Camp P.O. 1350 Comment
  SBBG56001  Cornus nuttallii F. C. Vasek 1964-7-25 640725 -18 Riverside Dark Cyn near Wet Cyn Cmpgrd Comment
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May 19 2012
  SD186148  Coronopus didymus A. C. Sanders, E. J. Lawlor and Don Pendleton 1992-3-21 12073 Riverside Oasis Date Garden, 4.4 miles north of Mecca on Highway 111, near Ave. 59. -43 Comment
  SEINET3071829  Coryphantha alversonii Marc A. Baker, Michelle Cloud-Hughes 2011-1 Riverside Comment
  SEINET2049832 Image available Cotula australis Frank Ambrey 1959-4-27 Riverside UCR, Under sink at north end of glassed portion of greenhouse 16 on UCR campus 335 Comment
  SEINET3089226 Image available Crassula connata Margaret Ferro 1970-5-15 17 Riverside Empty lot on Watkins Dr. behind Canyon Crest student housing. Comment
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May 16 2016
  UCR92043  Crassula connata Scott D. White 1995-3-30 2664 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  POM12939  Cressa truxillensis P. A. Munz, I. M. Johnston, I. M. Munz 1922-5-21 5543 Riverside San Jacinto [Mystic] Lake near Moreno. Comment
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Mar 20 2011
  UCD126208  Cressa truxillensis Rimo Bacigalupi; G. T. Robbins 1954-5-16 4467 Riverside valley of San Jacinto River, one-half mile west of Lakeview and just east of Lakeview (formely Ginsberg) Hot Springs. 432 Comment
  SD127442  Crocanthemum aldersonii Reid Moran 1969-10-25 16664 Riverside Poppet Flat Road, N slope San Jacinto Mts. 1250 Comment
  UC1121548  Crocanthemum scoparium var. vulgare A. E. Wieslander 1929-1-25 39 Riverside Bautista Creek San Jacinto Quad. 762 Comment
  RSA85071  Crossosoma bigelovii F. W. Peirson 1920-2-15 1953 Riverside Small canyon north of Tahquitz Canyon, east base of San Jacinto Mtns. Comment
  POM293088  Croton californicus Lyman Benson 1946-4-15 12021 Riverside 2 miles east of Banning, Colorado Desert. 609 Comment
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Jun 10 2008
  RSA429  Croton californicus J. T. Howell 1928-7-9 1060 Riverside Temescal Canyon, 6 miles south of Glen Ivy 335 Comment
  RSA480575  Croton californicus N. C. Cooper 1943-9-26 935 Riverside Cabazon. 549 Comment
  RSA480579  Croton californicus W. Hutchinson 1921-4-1 s.n. Riverside Palm Springs Comment
  SDSU3717  Croton californicus James C. Dice, and Virginia Moran 1987-11-28 760 Riverside Temecula Gorge, on north bank of Santa Margarita River at aquaduct crossing. T8S, R3W, SE 1/4 of 1/4 of Section 27. 250 Comment
  SEINET6062496  Croton californicus S. B. Parish Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  UC868664  Croton californicus Ivan Johnston 1917-4-4 Riverside Palm Canyon Colorado Desert 228 Comment
  UCR134614  Croton californicus Marisa Sripracha, Kyle Boyd 2004-2-14 005 Riverside Sonoran (Colorado) Desert, Snow Creek, 25 m from Snow Creek Road, 0.7 km south of Hwy 111 352 Comment
  UCR89872  Croton californicus George K. Helmkamp 1994-3-8 41 13 Riverside Western Colorado Desert, Indio Hills, junction of Palm Dr. & Varner Rd, below Edom Hill 200 Comment
  UCR101409  Croton setiger A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22229 Riverside San Bernardino Mtns., Morongo Indian Reservation, lower Hathaway Creek Canyon 838 Comment
  UCR273085  Cryptantha Tim Searl 2016-5-27 s.n. Riverside Badlands, 1.1 miles southeast of Redlands Blvd./San Timoteo Canyon intersection 561 Comment
  JEPS22569  Cryptantha angustifolia Rimo Bacigalupi with Paul Hutchison 1958-2-19 6200 Riverside 9.4 mi n Blythe (at w base of the Big Maria Mts.); Big Maria Mts. 167 Comment
  POM46809  Cryptantha angustifolia Mary F. Spencer 1920-3-24 1517 Riverside Near Indio. Colorado Desert. 91 Comment
  RSA14032  Cryptantha angustifolia P. A. Munz, D. D. Keck 1922-4-14 4875 Riverside Indian Wells 107 Comment
  RSA775441  Cryptantha angustifolia Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4443 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell., Between N33.94217, W116.64118 and N33.94722 W116.64309 487 Comment
  RSA776817  Cryptantha angustifolia Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-27 1090 Riverside Chuckwalla Mountains, Corn Springs Road, Crossing of main wash which drains Chuckwallas on east side toward Chuckwalla Bench 427 Comment
  RSA780381  Cryptantha angustifolia Stephanie Rockwood, Christi Gabriel 2011-11-7 197 Riverside Rice Valley. Highway 62 to Blythe/Rice Road. About 1 mile from highway. 229 Comment
  SBBG104634  Cryptantha angustifolia T. Glenn 1991-5-2 91 -32 Riverside McCoy Mtns, NW of Blythe; T4S, R20E, S32 350 Comment
  UC857056  Cryptantha angustifolia Lewis S. Rose 1938-2-1 38007 Riverside 10 mi e Desert Center 30 Comment
  UCR116607  Cryptantha angustifolia A. C. Sanders 2001-4-8 23979 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic Ave., north of flood control ditch 348 Comment
  UCSB12607  Cryptantha angustifolia Dearing, Hugh; Dearing, Margaret 1942-3-3 Riverside Cathedral City Comment
  RSA0127780  Cryptantha angustifolia G. Rink 2013-3-17 11866 Riverside About ten miles west of Blythe, on the proposed Quartzite solar power plant. 125 Comment
  SEINET10455849  Cryptantha angustifolia David B. Dunn 1946-2-22 Dunn 1959 Riverside Collected in mud flats dry, caked and split. All American Canal catch basin from desert washes. Oracopia Mts. NE of the Saltan Sea. Very arid country. Comment
  UCR167272  Cryptantha barbigera John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  JOTR34202  Cryptantha barbigera var. barbigera La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2994 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; burned slopes (2009 fire) above Lost Horse Mine trail, west of mine, with rocky-cobbley soil and rocky outcrops Comment
  JOTR29492  Cryptantha barbigera var. fergusoniae Andre, Jim, Tasha La Doux 2006-4-6 8148 Riverside Joshua Tree National Park. Approx. 50 m North of Keys View parking area 1552 Comment
  SD185166  Cryptantha barbigera var. fergusoniae A. C. Sanders 2001-4-8 23983 Riverside Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic Ave. 348 Comment
  SDSU21880  Cryptantha barbigera var. fergusoniae Kristen Hasenstab, M. G. Simpson 2008-4-2 66 Riverside Joshua Tree National Park. North side of Split Rock, 100ft south of the trail wrapping around Split Rock. 1294 Comment
  UCR201486  Cryptantha barbigera var. fergusoniae Scott D. White, Justin M. Wood 2008-6-16 12144 Riverside San Jacinto Mountains, meadow at Quinn Flat 1378 Comment
  RSA757724  Cryptantha circumscissa LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4359 b Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  SD186129  Cryptantha corollata A. C. Sanders, T. B. Salvato and Mitch Provance 2003-4-4 25853 Riverside Jurupa Mountains, hill southwest of the Jensen Quarry, northwest of Sunnyslope. 366 Comment
  RSA0079338  Cryptantha cycloptera Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 914 Riverside East Mojave Desert region: McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 335 Comment
  SBBG87958  Cryptantha cycloptera A. C. Sanders, B. Pitzer, D. Charlton 1986-3-3 6144 Riverside N foot of the Chuckwalla Mtns, 2.75 airline mi SE of Desert Center 365 Comment
  CAS-BOT-BC218761  Cryptantha holoptera Roxana S. Ferris; Ruth P. Rossbach 1938-5-16 9574 Riverside Mecca Hills 2 miles up Painted Canyon Comment
  UCR112397  Cryptantha holoptera A. C. Sanders, T. B. Salvato 2000-5-16 23391 Riverside Sonoran (Colorado) Desert, Coachella Valley, under powerlines at gravel pits just south of the mouth of Thermal Canyon 30 Comment
  UCR213270  Cryptantha holoptera A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37443 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  JEPS67652  Cryptantha intermedia W. L. Jepson 1935-4-21 17159 Riverside Aguanga, near branch road to Pines Aguanga 603 Comment
  POM146228  Cryptantha intermedia F. M. Reed 1927-5-8 5310 Riverside Hills south of Perris Comment
  POM6633  Cryptantha intermedia P. A. Munz, L. T. Street 1919-3-28 2361 Riverside San Gorgonio Pass, near Cabazon 543 Comment
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Mar 13 2011
  RSA524607  Cryptantha intermedia Steve Boyd, Tim Ross, L. Arnseth 1990-3-29 3930 Riverside Vail Lake area, summit of 'Big' Oak Mtn, N. of lake. 793 Comment
  SBBG6258  Cryptantha intermedia H. and M. Dearing 1939-12-31 4050 Riverside 5 mi N Palm Springs Comment
  SEINET7073407  Cryptantha intermedia A. G. Vestal 1963-4-23 s.n. Riverside About 0.1 mile east of Corner at the base of Gavilans Hills. Coordinate datum: NAD27. Comment
  UC551862  Cryptantha intermedia F. R. Fosberg 1932-5-9 10641 Riverside Sage 770 Comment
  UCR133047  Cryptantha intermedia Jeri Hirshberg 1989-3-20 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, c. 0.5 mile (air) south of Mesa de Burro, just north of Mesa de la Punta 610 Comment
  UCR149859  Cryptantha intermedia Scott D. White, Michael Honer 2004-4-6 10039 Riverside Perris/Elsinore Basins, Temescal Valley: just N of the I-15 freeway and east of Indian Truck Trail, S and west of Lee Lake 396 Comment
  RSA27454  Cryptantha maritima I. L. Wiggins 1941-3-24 9579 Riverside Along eastern side of Salton Sea, 2.7 miles south of Mortmar. Comment
  RSA799817  Cryptantha maritima D. M. Ray 2011-3-5 15 Riverside Sonoran Desert: Chuckwalla Valley along Kaiser Road. 198 Comment
  UC573150  Cryptantha maritima Herbert L. Mason 1928-3-10 4227 Riverside Hidden Springs Canyon Coachella Mountains Comment
  RSA499648B  Cryptantha micrantha Anstruther Davidson 1926-3-1 s.n. Riverside Colorado Desert. Comment
  UC1329936  Cryptantha micrantha James E. Cole 1941-6-15 905 Riverside Black Spring Wash Joshua Tree National Monument 1280 Comment
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Feb 24 2013
  UC24836  Cryptantha micrantha Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Mountains Comment
  UC665774  Cryptantha micrantha Ira L. Wiggins 1941-3-24 9566 A Riverside 0.3 mi s Myoma (4.6 mi n of Indio) Comment
  CLARK-A1528-2222  Cryptantha micrantha subsp. lepida John C. Roos 1947-5-24 3648 Riverside San Jacinto Mountains Comment
  JOTR35464  Cryptantha micrantha var. lepida Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 67 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W. of Juniper Flats (stop4) Comment
  JOTR35457  Cryptantha micrantha var. micrantha Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 61 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop3) Comment
  RSA585740  Cryptantha microstachys D. L. Banks, S. D. Boyd 1995-5-9 403 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 790 Comment
  SBBG34215  Cryptantha microstachys H. Haid 1969-5-11 Riverside Bautista Cyn foothills, ca. 20 mi SE of Hemet 914 Comment
  SD185170  Cryptantha microstachys A. C. Sanders 2005-4-21 29569 Riverside Gavilan Hills, south of Harford Springs County Park and Ida Leona Rd., 1.5 miles eastsoutheast of Gavilan Peak. 622 Comment
  UCR108475  Cryptantha muricata A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16200 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, alluvial fan just east of the mouth of Whitewater Canyon between Windy Point & Hwy I-10, Coachella Valley 370 Comment
  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
  RSA0123286  Cryptantha racemosa Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8999 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  RSA80749  Cryptantha racemosa F. W. Peirson 1927-4-12 7170 Riverside Painted Canyon, near Mecca Comment
  SD138916  Cryptantha racemosa Craig Reiser 1993-3-18 Riverside Dry Morongo Wash south of Morongo Comment
  UCR243509  Cryptantha racemosa Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21087 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, up side canyon approx. 400 m. west of main canyon drainage 1172 Comment
  RSA234105  Cryptantha utahensis R. F. Thorne, R. Carolin 1967-3-21 41635 Riverside Joshua Tree National Monument: Cottonwood Springs. 915 Comment
  RSA314617  Cryptantha utahensis R. F. Thorne, Drs Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55468 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  RSA339324  Cryptantha utahensis R. F. Thorne, C. W. Tilforth 1980-5-28 54206 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
  UCR116778  Cucurbita foetidissima A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24169 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
  UC75797  Cucurbita palmata Miss M. A. King 1893-1 Riverside Menifee Comment
  RSA597140  Cuscuta californica L. C. Wheeler 1962-7-26 8177 Riverside Head of San Juan Creek. Comment
  UCR31665  Cuscuta californica var. papillosa John C. Roos 1946-12-7 3184 Riverside Western Colorado Desert, Pushawalla Wash Comment
  JEPS47116  Cuscuta salina W. L. Jepson 1901-5-31 1570 Riverside near Elsinore; Temescal Wash 335 Comment
  SEINET5624453 Image available Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2012-3-25 17525 .4 Riverside Northeast end of Chuckwalla Mountains, 11km SSE of Desert Center, 70km west of Blythe, two-track branching south from Corn Spring Road, 1.1 km W of Corn Spring Campground, 400m south of Corn Springs Wash; Pilot Mountain 1.5' USGS topographic quadrangle 527 Comment
  RSA0072261  Cylindropuntia echinocarpa Michelle Cloud-Hughes, Tim Thomas, Kelsey Black 2013-3-24 089 Riverside Palo Verde Mesa, 14km WSW of Blythe. 120 Comment
  SEINET9037432 Image available Cylindropuntia ganderi var. ganderi M. A. Baker 2015-1 18385 .2 Riverside San Jacinto Mountains, 25km SSE of central Palm Springs, 800m WSW of Sugarloaf Mountain 1236 Comment
  UCR92728  Cyperus difformis A. C. Sanders 1994-7-26 15150 Riverside Santa Ana River at the Mission Blvd/7th street Bridge, W foot of Mt. Rubidoux 240 Comment
  RSA522103  Cyperus eragrostis Steve Boyd, Timothy S. Ross 1989-8-28 3796 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  UCR272474  Cyperus esculentus Mitch Provance 2012-7-25 712- 01 Riverside San Gorgonio Pass, Banning, Smith Creek, NE of West Ramsey St. and Highland Home Rd. 1410 Comment
  RSA0106810  Cyperus involucratus Mitch Provance 2012-11-9 612 -52 Riverside San Bernardino Valley: Box Springs Canyon, SW base of the Box Springs Mountains, E side of Interstate 215, 0.25 mi SE of the intersection of Gernert Rd. and Watkins Dr. 422 Comment
  SD257107  Cyperus involucratus Mitch Provance 2012-11-9 612 52 Riverside San Bernardino Valley: Box Springs Canyon, SW base of the Box Springs Mountains, E side of Interstate 215, 0.25 mile SE of the intersection of Gernart Rd and Watkins Drive (Riverside East 7.5'Q) 422 Comment
  CAS-BOT-BC113944  Cyperus odoratus Samuel B. Parish 1913-9-20 8616 Riverside In the small stream from the RR waterworks, Mecca. Salton Sink. -57 Comment
  CAS-BOT-BC114046  Cyperus squarrosus A. C. Sanders; Tracy Tennant; J. Ross 1998-8-20 22233 Riverside Morongo Indian Reservation, lower Millard Canyon. Cabazon 7.5 Q. 841 Comment
  UCR69569  Cytisus striatus A. C. Sanders, Chet McGaugh 1991-7-19 11142 Riverside Peninsular Range, Murrieta Hot Springs, large vernal pool on the south side of Murrieta Hot Springs Road, east of Via Princesa & north of Calle del Lago 348 Comment
  UC196584  Dalea mollis Joseph Grinnell 1910-3-18 Riverside Riverside Mt. Colorado R., Riverside Mt. Comment
  SEINET906509  Dalea mollissima A. C. Sanders 1986-1 6067 Riverside Chuckwalla Valley, ca. 1/2 mile W of Graham Pass on powerline road 1/2 mile S of Old Hwy 60 (Chuckwalla Road) Comment
  UCR148441  Dalea mollissima John F. Green 2005-1-14 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 23 and 24 (near 23), just north of Salt Creek crossing 23 Comment
  UC1929328  Datisca glomerata Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10674 Riverside San Jacinto Mountain foothills; Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. Comment
  UCR92140  Datisca glomerata D. L. Banks, Steve Boyd 1995-5-3 0202 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
  UCR161736  Datura discolor Mark A. Elvin 2005-4-26 4234 Riverside Northern Sonoran (Colorado) Desert, Coachella Valley/Indio Hills; [pipeline route, south of mouth of Fargo Canyon] N of I-10 198 Comment
  UCR186730  Datura discolor Scott D. White, Pam DeVries 2006-3-14 11262 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, a few mi east of Indio, at proposed I-10 Freeway/ McNaughton Parkway interchange, north of the I-10 Freeway 152 Comment
  RSA648278  Datura wrightii Margaret Murphy 1983-5-21 0039 -D Riverside located in the north section fo parsel 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  RSA500206  Daucus pusillus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3538 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  UCR172191  Daucus pusillus John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, City of Temecula, Immediately N and south of Murrieta Hot Springs Road along San Diego Aqueduct right-of-way 396 Comment
  UCR214570  Daucus pusillus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37851 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
  RSA703537  Deinandra kelloggii R. E. Riefner Jr. 2004-4-27 04 -145 Riverside Morreno Valley, south of Allesandro St. near Merwin St. and Kimber Ave. 354 Comment
  CAS-BOT-BC131037  Deinandra paniculata Palmer Stockwell 1934-5-11 s.n. Riverside 5 mi. south of Perris Comment
  RSA736329  Deinandra paniculata Scott D. White, Justin M. Wood 2008-5-27 12036 Riverside Perris Basin: I-215 freeway, between Clinton Keith and Alamos. 396 Comment
  SD148238  Deinandra paniculata A. C. Sanders, T. B. Salvato 2001-5-24 24365 Riverside Perris-Aguanga Basin region:Temecula, Long Canyon west of Del Rey Road, along bottom of canyon west of junction of Av. Pina Colada (mak 10/07) 345 Comment
  POM10163  Delphinium parishii C. F. Baker 1921-4-30 4504 Riverside Pinyon Wells 1220 Comment
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Jun 24 2012
  SEINET238578  Delphinium parishii George K. Helmkamp 1998-6-27 4116 Riverside Santa Rosa Mtns.: 5.8 mi SE of Hwy 74 along Santa Rosa Mtn Rd. below Mountain Home Spring. 1799 Comment
  CAS-BOT-BC7986  Delphinium parishii subsp. parishii S. Parish; W. F. Parish 1883-4-1 255 Riverside Colorado Desert, Cabezon Station Comment
  JEPS5765  Delphinium parishii subsp. parishii D. A. Johansen and J. A. Ewan 1932-4-10 7094 Riverside mouth of canyon above Palm Springs; western Colorado Desert, Tahquitz Canyon Comment
  UCR16744  Delphinium parryi Rex Sanders 1973-5-13 s.n. Riverside Santa Ana Mtns., Cleveland National Forest; along Hwy 74, 10.18 mi from Orange County line, 1 meter from road, above Lake Elsinore Comment
  CAS-BOT-BC121428  Delphinium parryi subsp. parryi Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  CAS-BOT-BC121430  Delphinium parryi subsp. parryi H. M. Hall 1901-6-1 2161 Riverside Eastern base, along the borders of the Colorado Desert Comment
  UCR110965  Delphinium parryi subsp. parryi George K. Helmkamp 1998-6-27 4095 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  LA45861  Dendromecon rigida A. M. Johnson; 1932-8-18 4137 Riverside San Jacinto Mountains, E side along road Comment
  CAS-BOT-BC402296  Dicentra chrysantha Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  RSA750556  Dichelostemma capitatum Scott D. White, Justin M. Wood 2009-5-21 12883 Riverside Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). 1372 Comment
  UCR260839  Dichelostemma capitatum A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41514 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
  IRVC59  Dichelostemma capitatum subsp. capitatum Christie Duncan 1965-5-1 HS 0102 Riverside Elsinore. Comment
  RSA367464  Dichelostemma capitatum subsp. capitatum N. C. Cooper 1947-4-5 2120 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  RSA543759  Dichelostemma capitatum subsp. capitatum Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6059 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga 600 Comment
  UCR829  Dichelostemma capitatum subsp. capitatum Robert A. Hawthorne 1957-3-2 s.n. Riverside Citrus Experiment Station [UCR Agricultural Operations fields], orange grove E [N or S] of Pennsylvania Ave. 262 Comment
  RSA775090  Dicoria canescens Duncan S. Bell, Amber Swanson 2011-2-18 2040 Riverside Coachella Valley area; Edom Hill; along Edom Hill Road near dump; 0.6 road miles from junction of Varner Road and Edom Hill Road. 259 Comment
  UC1929321  Dieteria asteroides var. asteroides Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10668 Riverside San Jacinto Mountain foothills; Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. Comment
  UCR201018  Digitaria sanguinalis Scott D. White, Justin M. Wood 2008-9-17 12539 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland, 1/4 mile S of Ethanac Rd, between San Jacinto Rd and Palomar Rd, just S of railroad tracks 448 Comment
  CAS-BOT-BC291029  Dimorphotheca sinuata D. E. Breedlove 1962-3-11 1897 Riverside San Jacinto River, 6.2 miles southeast of State 79, on State 74, in Hemet 579 Comment
  CAS-BOT-BC150879  Diplacus X australis Munz; Street; Williams 1919-4-5 2447 Riverside Puddingstone [Canon] Canyon Comment
  CAS-BOT-BC150939  Diplacus bigelovii var. bigelovii H. Dearing; M. Dearing 1937-5-10 s 1638 Riverside Near Hayfields, Colorado Desert Comment
  CAS-BOT-BC152911  Diplacus brevipes Cecil Hart 1922-5-21 15 Riverside San Jacinto Pk. Comment
  CAS-BOT-BC153092  Diplacus fremontii Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  RSA0019420  Diplacus fremontii Scott D. White 1999-6-6 7440 Riverside Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds at terminus of USFS Road 5S24.2. 1432 Comment
  RSA0019404  Diplacus fremontii Kim Robinson 1990-5-26 13 Riverside Highway 243, heading S toward Idyllwild, at the turn-out directly across from Skyland Ranch. 1524 Comment
  IRVC28533  Diplotaxis muralis O. F. Clarke 2002-5-1 s.n. Riverside Riverside; UCR Botanical Garden 351 Comment
  RSA500150  Distichlis spicata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3651 C Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Hwy 79. 488 Comment
  SD136963  Distichlis spicata Steve Boyd, Tim Ross 1992-5-5 7252 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats along Serrano Spring drainage between Lucas Canyon Trail and junction of Bluewater and Verdugo Trails. Local and uncommon along small, flowing stream south of Serrano Spring 730 Comment
  UCR259226  Distichlis spicata Mitch Provance 2012-4-20 412- 05 Riverside San Timoteo Canyon, just southeast of the SCE El Casco Substation, on the south side of San Timoteo Canyon Rd./Oak Valley Parkway 643 Comment
  SEINET3004975  Ditaxis lanceolata G. Rink 2011-3-30 10401 Riverside Northwest of Blythe, east of the McCoy Mtns, swale in desert pavement 152 Comment
  RSA793606  Ditaxis neomexicana Duncan S. Bell, Aaron Sedgwick 2012-9-13 4206 B Riverside The Mecca Hills; along what was left of Box Canyon Road after having been buried by a flash flood from a large summer storm, approximately 5 air miles northeast of the junction of Box Canyon Road and the Coachella Canal, or approximately 1.25 air miles southwest of Shavers Well. 240 Comment
  UCR104011  Ditaxis neomexicana George K. Helmkamp, E. A. Helmkamp 1998-2-5 2684 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 Comment
  UCR163962  Ditaxis neomexicana B. G. Pitzer, O. Clarke, S. Reed, G. Ruiz, et al 1998-3-7 3591 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  RSA0112085  Dithyrea californica Duncan S. Bell 2010-2-21 554 Riverside Arica Mountains; within the Palen/McCoy Wilderness area; collecting in large drainage on western section of range. 452 Comment
  RSA23216  Dithyrea californica Ernest Braunton 1940-01 s.n. Riverside 15 miles E of Indio. Comment
  UC205844  Dithyrea californica S. B. Parish 1919-3-27 19192 Riverside Whitewater <?> Colorado Desert 304 Comment
  CAS-BOT-BC412630  Dodecahema leptoceras Mrs. J. D. Abrams 1901-5-1 s.n. Riverside Elsinore Comment
  CAS-BOT-BC136110  Dodecatheon alpinum Carl B. Wolf 1932-8-5 3962 Riverside 1st Real, wet meadow on trail from Tahquitz Valley to San Jacinto Peak - San Jacinto Mountains 2743 Comment
  RSA781803  Draba cuneifolia Duncan S. Bell 2010-5-1 877 Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  POM370046  Draba cuneifolia var. sonorae Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  UCR121692  Draba verna A. C. Sanders 2002-5-4 25038 Riverside San Jacinto Mtns., Idyllwild, Pine Crest Ave., NE of Hwy 243 1677 Comment
  RSA503398  Drymocallis glandulosa var. wrangelliana J. D. Olmsted 1962-5-9 3604 Riverside Bear Spring, SE side of Santiago Peak. 1524 Comment
  LA204779  Dudleya abramsii Joan Malloy; 1952-5-24 sn Riverside Hemet Valley, S side of road Comment
  RSA689552  Dudleya lanceolata Scott D. White, Michael Honer 2003-4-25 9121 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  SDSU13555  Dudleya lanceolata W. Miller with C. Mosse 1972-7-20 Riverside Upstream from Beaver dam. Comment
  UCR281582  Dudleya pulverulenta Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-5-31 517- 114 Riverside Gavilan Hills, Alberhill Canyon, dirt road portion of Lake St., about 0.8 miles N of Hwy. 15 at Alberhill. 457 Comment
  RSA397830  Dudleya saxosa G. D. Wallace 1964-4-26 s.n. Riverside Hwy 111 past Pinyon Flats. Comment
  CAS-BOT-BC109609  Dudleya saxosa subsp. aloides Philip A. Munz 1937-5-31 15119 Riverside Anza Tablet, head of Coyote Canyon, southwest Riverside county. 1066 Comment
  RSA397785  Dudleya saxosa subsp. aloides Jeannette B. Edge 1934-3-30 s.n. Riverside Whitewater. Comment
  SD60403  Dudleya saxosa subsp. aloides D. W. Kyhoe Jun 1960 Riverside Bed of San Gorgonio River, 2.0 miles north of Banning. Comment
  UC1015385  Dudleya saxosa subsp. aloides Reid Moran 1947-5-10 2181 Riverside 1 mi e Santa Rosa Summit (Palms-to-pines Hwy) 1371 Comment
  RSA788873  Eleocharis acicularis var. acicularis G. D. Wallace 2003-7-8 4052 Riverside Hidden Lake. Comment
  RSA665176  Eleocharis engelmannii R. E. Riefner 2001-12-16 1 -775 Riverside Paloma Valley; near Antelope Rd. and Garbini Rd. 450 Comment
  UCR75302  Eleocharis macrostachya A. C. Sanders 1993-4-5 13699 Riverside San Jacinto Valley, west edge of Hemet, along south side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and north of Florida Ave./ Hwy 74 460 Comment
  CAS-BOT-BC113328  Eleocharis montevidensis Peter H. Raven; Sidney R. Snow 1956-6-30 9537 Riverside In a dry creek bed, Dripping Springs Guard Station, Temecula River. Comment
  UCR130512  Eleocharis obtusa var. engelmannii R. E. Riefner Jr. 2001-12-16 01- 775 Riverside Perris-Aguanga Region, Paloma Valley; near Antelope Rd. and Garboni Rd. 450 Comment
  RSA198998  Eleocharis palustris Robert F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 34756 Riverside Santa Rose Plateau: Mesa de Colorado, Rancho California. 671 Comment
  CAS-BOT-BC418621  Eleusine indica R. E. Riefner, Jr. 2013-10-29 13 225 a Riverside La Sierra, along La Sierra Ave. at Sierra Tree St. 243 Comment
  UCR207218  Elymus O. F. Clarke 2007-6-8 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UCR116677  Elymus condensatus A. C. Sanders, Chet McGaugh 2001-7-26 24470 Riverside Perris-Aguanga Basin region, Mockingbird Creek, beside Harley John Rd. just above Mockingbird Canyon Rd., Woodcrest area, Riverside 427 Comment
  UCR199745  Elymus condensatus Scott D. White, Justin Wood 2008-5-29 12041 Riverside Beaumont Badlands, West of Beaumont, near SR-60 crossing over San Timoteo Creek 671 Comment
  UCR202435  Elymus elymoides Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  RSA595261  Elymus glaucus subsp. jepsonii D. L. Banks, Elizabeth Hedge Banks 1996-5-2 943 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage. 524 Comment
  LA14869  Elymus triticoides F. M. Reed; 1907-5-26 1363 Riverside Spring Brook near foot of Rubidoux Mt Comment
  SD119899  Emmenanthe penduliflora Louis B. Ziegler 1973-3-26 502 Riverside Gavilan Hills west of Perris. 487 Comment
  UCR41850  Emmenanthe penduliflora A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6037 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  UCR137693  Emmenanthe penduliflora var. penduliflora D. L. Banks, V. W. Steinmann 1997-3-13 1479 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  UC31391  Encelia actoni Geo. F. Reinhardt 1897-6-1 Riverside San Jacinto Valley Southern California, San Jacinto Valley Comment
  UCR60931  Encelia actoni Steve Boyd, T. S. Ross, L. Arnseth 1989-6-11 3723 Riverside Peninsular Range, Vail Lake area, recently burned hills SE of lake, south of Hwy 79 488 Comment
  JOTR35377  Encelia farinosa Harding, Mitzi, J. Hoines, E. Kramer 2012-2-2 166 Riverside Joshua Tree National Park. southeast Coxcomb Mountains; SE facing slopes and steep drainages 164 Comment
  OBI51912  Encelia farinosa Steve Boyd, S. Meury, R. Noyes, L. arnseth, d. Nordin, T. Ross 1988-3-10 2127 Riverside N end Palen Mtns, 2 mi W of Palen Pass 300 Comment
  SBBG60960  Encelia farinosa R. C. and J. R. Robbins 1933-2-15 Riverside foot of Palms to Pines Hwy, ca. 11 mi SW of Palm Springs Comment
  SBBG8061  Encelia farinosa H. and M. Dearing 1937-4-10 2867 Riverside Thousand Palms Cyn Comment
  UC809737  Encelia farinosa E. K. Balls 1949-4-2 12903 Riverside near Durmid (on Highway 111 and slopes toward Salton Sea); Colorado Desert -67 Comment
  UC895522  Encelia farinosa I. Johnston 1917-6-5 1237 Riverside hills s Arlington 365 Comment
  UCR174248A  Encelia farinosa A. C. Sanders, T. B. Salvato 2006-6-2 33068 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UCR41600  Encelia farinosa A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6032 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  POM356676  Encelia farinosa var. farinosa Norman C. Cooper 1944-4-8 1094 Riverside Andreas Canyon. 305 Comment
  CAS-BOT-BC131416  Encelia frutescens W. L. Jepson 1912-10-22 5245 Riverside Riverside Mts 137 Comment
  SEINET3406122 Image available Ephedra R. F. Thorne, M. Z. Thorne 1973-3-30 42689 Riverside Colorado Desert; Little San Bernaardino Mountains region; Morongo Valley Canyon, near mouth at junction of roads to Morongo Valley and Desert Hot Springs. 488 Comment
  RSA336056  Ephedra aspera Robert F. Thorne, Avi Shmida, Robert Whittaker 1978-4-23 52061 Riverside Palms to Pines Highway: Along highway, Santa Rosa Mountains. Comment
  RSA33305  Ephedra californica N. C. Cooper 1943-10-3 940 Riverside Cabazon, Alkali flat. 610 Comment
  CAS-BOT-BC81684  Ephedra fasciculata Ira L. Wiggins 1937-3-9 8746 Riverside Chuckawalla Spring, Chuckawalla Mts. 528 Comment
  RSA3984  Ephedra trifurca C. B. Wolf 1932-4-29 3122 Riverside Eastern Colorado Desert, 3 miles S of Rice on the Blythe road. 213 Comment
  UC1324898  Ephedra trifurca H. U. Stauffer and R. F. Thorne 1964-5-5 5921 Riverside 6.5 km s Morongo Valley (4.8 km s of county border) 550 Comment
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Apr 20 2013
  RSA234109  Ephedra viridis Robert F. Thorne, R. Carolin 1967-3-21 41639 Riverside Joshua Tree National Monument: Cottonwood Springs 915 Comment
  RSA661036  Epilobium brachycarpum A. C. Sanders, Mitch Provance 1999-9-26 23085 Riverside McMullen Flat at Valley High County Park, 0.7 mi. SE of Hwy 74 on Twin Pines Ranch Road. 1183 Comment
  UC873162  Epilobium campestre P. A. Munz and J. M. Johnston 1922-5-19 5368 Riverside Menifee Valley 426 Comment
  RSA761224  Epilobium canescens Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 709 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCR35214  Epilobium canum L. B. Ziegler 1967-9-6 243 Riverside San Jacinto Mtns, Hemet Valley 1402 Comment
  CAS-BOT-BC171738  Epilobium canum subsp. latifolium Louis C. Wheeler 1931-10-3 197 Riverside Strawberry-Tahquitz Valley Trail, San Jacinto Mts. 2346 Comment
  RSA692222  Epilobium canum subsp. latifolium Scott D. White 2003-10-9 9817 Riverside Pine Cove. Lily Creek just north of crossing at Hwy 243. 1738 Comment
  RSA72330  Epilobium canum subsp. latifolium F. W. Peirson 1928-11-30 8212 Riverside Cottonwood Spring, northern Colorado Desert. Comment
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Oct 9 2010
  UC64311  Epilobium canum subsp. latifolium H. M. Hall 1901-6 2330 Riverside ridges and peaks near Tauquitz; San Jacinto Mountains 2133 Comment
  RSA6024  Epilobium glaberrimum subsp. glaberrimum Carl B. Wolf 1932-8-5 3941 Riverside Along trail from Tahquitz Valley to San Jacinto Peak. 2561 Comment
  POM11736  Equisetum laevigatum P. A. Munz, I. M. Johnston 1922-5-21 5482 Riverside Kenworthy, San Jacinto Mountains 1418 Comment
  UC810270  Equisetum laevigatum Crawford and Johnston 1917-6-9 1216 Riverside Santa Ana River near Corona Comment
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Jun 9 2011
  JOTR33117  Eragrostis cilianensis La Doux, Tasha, Mike Bell 2003-10-17 1600 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Wonderland of Rocks; Wonderland Wash 1310 Comment
  UCR113731  Eragrostis cilianensis Mitch Provance 2000-7-30 2170 Riverside Jurupa Mountains, Pediment of the NW Jurupa Mtns., area SE of the eastern extreme of Philadelphia St. 267 Comment
  RSA598034  Eragrostis mexicana subsp. mexicana F. M. Reed 1927-11-20 5680 Riverside Terraces Ranch [on Chicago Ave. near Tequesquite Arroyo] 244 Comment
  UCR139383  Eremalche exilis I. M. Johnston 1917-4-4 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Palm Canyon 427 Comment
  RSA450313  Eremocarpus setiger J. C. Roos 1965-7-27 s.n. Riverside Elsinore. Comment
  SD181439  Eremothera boothii subsp. condensata V. Soza, J. M. Porter and G. D. Wallace 2001-4-2 1095 Riverside Little SanBernardino Mountains region: Mouth of West Wide Canyon, west side of Channel Run. Comment
  RSA0104872  Eriastrum densifolium subsp. austromontanum P. A. Munz, I. M. Johnston 1924-7-29 8837 Riverside 6 miles SE of Poppet Flat, San Jacinto Mountains. 1524 Comment
  RSA0105505  Eriastrum densifolium subsp. austromontanum Christopher Davidson 1978-6-15 7381 Riverside Santa Rosa Mts. Road from Hwy 74 to Sta Rosa Mt., ca. 2 mi W of junction to Sta Rosa Spgs Campground. 2087 Comment
  RSA0105510  Eriastrum densifolium subsp. austromontanum Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3610 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  CAS-BOT-BC514312  Eriastrum densifolium subsp. austromontanum Gary D. Wallace; D. Wilken 1966-7-3 641 Riverside San Bernardino Nat. For.: Thomas Mtn. Rd, S of Lookout Comment
  RSA0108902  Eriastrum densifolium subsp. austromontanum Robert Kessler 1920-1 17054 Riverside San Jacinto Mts. Comment
  UCR93085  Eriastrum densifolium subsp. densifolium A. C. Sanders, S. Ogg 1994-7-28 15175 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  HSC101781  Eriastrum densifolium subsp. elongatum J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13183 Riverside Along Hwy. 74. 972 Comment
  SEINET3245748  Eriastrum eremicum Peter L. Morrell, D. E. Krause 1995-1 460 Riverside Sonoran (Colorado) Desert: Coachella Valley, NW corner of Baristo Rd. and El Cielo Rd. near cargo entrance to Palm Springs Municipal Airport (Palm Springs 7.5') 123 Comment
  RSA0120067  Eriastrum eremicum subsp. eremicum Mark Brunell, M. Okada 1993-5-29 s.n. Riverside Sonoran (Colorado) Desert: Palm Springs area, SW corner of HWY 111 and Gene Autry Trail. 104 Comment
  RSA0120085  Eriastrum eremicum subsp. eremicum Robert Gustafson 1982-5-19 2570 Riverside Pines to Palms Hwy (Hwy. 74), vicinity of Pinyon Flat campground. Comment
  JOTR33874  Eriastrum harwoodii La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3049 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; sand ramps interspersed w/ basalt outcrops 349 Comment
  UCR174123  Eriastrum sapphirinum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32617 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  RSA0121591  Eriastrum sapphirinum subsp. dasyanthum R. L. Pendleton 1905-9-28 269 Riverside Railroad embankment, Salt Lake Bridge, Riverside. 152 Comment
  SD28108  Eriastrum sapphirinum subsp. sapphirinum Carl B. Wolf 1932-8-4 3915 Riverside San Jacinto Mountains; Point View, near Idyllwild. 1646 Comment
  RSA0122967  Eriastrum sapphirinum subsp. sapphirinum Robert Kessler 1921-09 s.n. Riverside San Jacinto Mts. Comment
  CAS-BOT-BC286794  Ericameria cuneata var. spathulata J. Ewan 1931-12-24 5574 Riverside Deadman Point, Granite Mts., Mohave Desert Comment
  POM359408  Ericameria linearifolia Ora M. Clark 1929-3-16 1703 Riverside South of Cabazon. Comment
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Mar 13 2011
  POM351940  Ericameria nauseosa var. bernardina A. J. Gredell 1915-07 s.n. Riverside San Bernardino Mts. Comment
  RSA602647  Ericameria nauseosa var. bernardina Scott D. White 1996-8-16 4488 Riverside Idyllwild area: SW of Pine Cove and W of Bear Trap Canyon, in watershed above Alvin Meadows (tributary to Toll Rd. Canyon). 1707 Comment
  SEINET10443476 Image available Ericameria palmeri var. pachylepis Marc A. Baker, Danny Cuellar, Chris Taylor, Paul Roberge, Cecile shohet, and Youssef Atallah 2015-7-3 18380 Riverside 1.8km south of San Timoteo Wash, 15km SE of central San Bernardino, 35m south of the San Bernardino County line 491 Comment
  UC64809  Ericameria paniculata E. E. Schellenger 1904-10-15 43 Riverside between Cabazon and Whitewater; Colorado Desert Comment
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Mar 13 2011
  RSA249473  Ericameria parishii John F. Emmel 1972-8-20 409 Riverside Firebreak on Chalk Hill, just S of Idyllwild, San Jacinto Mts. 1616 Comment
  RSA594512  Ericameria pinifolia D. L. Banks, Dylan Hannon 1996-5-3 0999 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
  UCR187353  Erigeron divergens Naomi Fraga, Bryan Carey 2006-6-1 1689 Riverside Peninsular Ranges; San Jacinto Mountains region, near Morris Creek on a 4W drive trail, c. 0.5 mi SW of Tripp Meadow 1585 Comment
  CAS-BOT-BC296233  Erigeron foliosus var. foliosus Edmund C. Jaeger 1932-5-12 s.n. Riverside Sage of Hemet 762 Comment
  SBBG55777  Erigeron foliosus var. foliosus D. Keil, M. McLeod 1977-3-26 12016 Riverside 9 mi E of jct with Interstate 15 along Hwy 79 518 Comment
  UC31467  Erigeron foliosus var. foliosus H. M. Hall Jun 1 1901-Jul 1 1901 2385 Riverside forests in vicinity Strawberry Valley; San Jacinto Mountains 1584 Comment
  CLARK-A1528-4619  Eriochloa acuminata John C. Roos 1951-9-25 5294 Riverside Riverside 259 Comment
  UC1529478  Eriochloa acuminata var. acuminata A. C. Sanders 1985-8-24 5946 Riverside 0.4 mi e of Highway 195 (along drain flowing toward Salton Sea, near Oasis, in the lower Coachella Valley, on extension of Ave. 76); Coachella Valley -54 Comment
  UCD65739  Eriochloa contracta Edward G. Wegenek 1970-8-24 Riverside Southeastern part, collected in the Blythe area. Comment
  POM13818  Eriodictyon crassifolium P. A. Munz 1922-4-28 5055 Riverside Leach Canyon, Santa Ana Mts. 610 Comment
  RSA456545  Eriodictyon crassifolium L. B. Ziegler 1969-7-1 s.n. Riverside Near Morris Ranch, Hemet Valley, San Jacinto Mtns. Comment
  RSA495435  Eriodictyon crassifolium Steve Boyd, Tim Ross, L. Arnseth 1989-3-12 2962 Riverside Vail Lake area, lower slopes of Oak Mountain 1.5 mi WSW of lake. 488 Comment
  UC880707  Eriodictyon crassifolium P. A. Munz 1922-4-28 5055 Riverside Leach Canyon , Leach Canyon (Santa Ana Mts.) 609 Comment
  RSA455110  Eriodictyon trichocalyx Larry E. DeBuhr 1977-5-6 2588 Riverside Whitewater Canyon, ca. 4.5 miles N from I-10. Comment
  RSA510043  Eriodictyon trichocalyx B. Pitzer, H. Pitzer, J. Hall 1987-4-23 571 Riverside Whitewater Canyon, from N edge of Fish Hatchery to 0.5 miles N of It, 5.5 miles N of I-10 on Whitewater Canyon road. 732 Comment
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Jan 14 2010
  UCR193406  Eriogonum A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35621 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mi. WSW of Fleming Ranch 1585 Comment
  POM161534  Eriogonum apiculatum Ralph Hoffmann 1929-9-10 s.n. Riverside Tahquitz Peak. 2439 Comment
  SBBG61844  Eriogonum apiculatum R. Hoffmann 1929-9-10 Riverside trail to Tahquitz Pk 2438 Comment
  JOTR37446  Eriogonum baileyi var. baileyi Hodges, Stephen, T. Green 2016-5-24 568 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Quail Mountain Complex; ascending up wash and slopes towards Mount Minerva Hoyt peak from the east (Stop 2). Comment
  JEPS56701  Eriogonum davidsonii W. L. Jepson 1903-8-4 2282 Riverside below Thomas Valley forks (trip to Spruce Canyon; Chalk Hill); San Jacinto Mts., Chalk Hill 1524 Comment
  POM158449  Eriogonum davidsonii P. A. Munz 1927-5-21 10860 Riverside Coahuila Valley. Comment
  RSA613853  Eriogonum davidsonii Scott D. White, Julie Greene, Shelton Dowthit 1996-10-13 4623 Riverside San Jacinto Valley: Eastern foothills of valley (= ''Santa Rosa Hills''), S of Hemet. 550 Comment
  SBBG1441  Eriogonum davidsonii H. and M. Dearing 1940-6-8 4344 Riverside Box Cyn, near Mecca Comment
  CHSC109288  Eriogonum deflexum var. deflexum Steve Boyd; T. Morgan, A. Virgen, S. DeGroot, V. Arvizu 2004-5-14 11244 Riverside Colorado Desert: Chocolate-Chuckwalla Mountains region: Western base of the Chocolate Mountains, small canyon ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  JEPS20728  Eriogonum deflexum var. deflexum Roxana S. Ferris and Rimo Bacigalupi 1958-3-19 13258 Riverside 2.3 mi above Midland P.O. (U.S. gypsum mine property); Little Maria Mts. Comment
  CAS-BOT-BC249957  Eriogonum fasciculatum var. foliolosum A. M. White 1974-6-4 1367 Riverside Indian Road ca. 15 mi W. of Sun City Comment
  CAS-BOT-BC167187  Eriogonum fasciculatum var. polifolium Mitch Provance; Kerry Knudsen; Petra Wester 2004-5-8 9005 Riverside Santa Rosa Mountains: Along Hwy 74 on the Santa Rosa Mountain Grade, ca. 0.8-0.5 mi NE of Black Hills 854 Comment
  POM178582  Eriogonum fasciculatum var. polifolium Marcus E. Jones 1930-3-15 s.n. Riverside Eagle Mountains. Comment
  RSA543197  Eriogonum fasciculatum var. polifolium Steve Boyd, Tim S. Ross, Mike Hammitt 1991-5-2 6097 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  UC1329844  Eriogonum fasciculatum var. polifolium James E. Cole 1941-5-17 715 Riverside Covington Flat Canyon Joshua Tree National Monument, Covington Flat Canyon 1371 Comment
  UC56798  Eriogonum gracile E. A. Zumbo Oct, 1902 364 Riverside Riverside Comment
  UCR128239  Eriogonum gracile A. C. Sanders, Kelly Volansky 2003-10-16 27340 Riverside Moreno Valley, lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 534 Comment
  UCR214315  Eriogonum gracile A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38394 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  RSA596156  Eriogonum gracile var. gracile D. L. Banks 1996-11-7 1217 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; On the main road in the Reservation., 1.6 km E of the roads crossing with Pechanga Creek on the northern fork of the creek at the E end of the Reservation. 415 Comment
  RSA737124  Eriogonum gracile var. incultum Justin M. Wood 2008-10-15 190 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR20696  Eriogonum inflatum A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1323 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  RSA64763  Eriogonum inflatum var. deflatum F. W. Peirson 1932-11-26 9660 Riverside Thousand Palms Comment
  RSA393577  Eriogonum inflatum var. inflatum Bonnie C. Templeton, I. W. Clokey 1930-4-9 1005 Riverside North of Palm Springs. 400 Comment
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Nov 8 2011
  SBBG64004  Eriogonum inflatum var. inflatum M. N. Ackley -Feb-1926 870 Riverside near Edom 64 Comment
  CAS-BOT-BC270591  Eriogonum molestum Peter Kamb 1948-10-21 1273 Riverside Hll Canyon, San Jacinto Mts. 1645 Comment
  RSA393613  Eriogonum nudum var. pauciflorum M. B. Dunkle 1933-7-19 3692 Riverside Tahquitz Ridge. San Jacinto Mountains. 2530 Comment
  UC56366  Eriogonum nudum var. pauciflorum J. Vandeventer 1903-1 14 Riverside San Jacinto Mts. Comment
  JEPS56485  Eriogonum pusillum Marjorie D. Clary 1932-5-25 1036 Riverside between Indio and, Berdoo Canyon Pinyon Well; Colorado Desert, San Bernardino Mts., Berdoo Canyon 914 Comment
  CAS-BOT-BC263507  Eriogonum thomasii Geo. B. Grant 1906-4-20 6719 Riverside Palm Springs Comment
  CAS-BOT-BC263536  Eriogonum thomasii Peter H. Raven 1958-3-15 11844 Riverside Box Canyon Comment
  POM98742  Eriogonum thomasii P. A. Munz 1926-1-31 9971 Riverside Dos Palmos [Palmas] Spring. Comment
  SEINET3088161 Image available Eriogonum thomasii George K. Helmkamp, E. A. Helmkamp 1998-2-18 2740 Riverside Chuckwalla Mtns: Graham Pass Rd, 10.6 mi. SSW of Chuckwalla Valley Rd. Comment
  UC724336  Eriogonum thomasii Aven Nelson, Ruth A. Nelson 1939-3-30 3351 Riverside near Desert Center (n of Chuckwalla Mts.) Comment
  UCR245954  Eriogonum thomasii Duncan S. Bell 2009-3-7 26 Riverside Arica Mountains, ridgeline of range just north of the summit along the border of the Palen/McCoy Wilderness Area 614 Comment
  POM47236  Eriogonum thurberi Mary F. Spencer 1920-4-6 s.n. Riverside Palm Springs. 122 Comment
  UCR364  Eriogonum thurberi R. O. Perez 1955-5-7 s.n. Riverside San Bernardino Mtns., Whitewater Canyon. Comment
  JOTR35361  Eriogonum trichopes Harding, Mitzi, M. Wheeler 2011-1-26 145 Riverside Joshua Tree National Park. Pinto Basin, where Chuckwalla Valley meets Pinto Wash, 0.5 mi west of Coxcomb Mountains, sandy burms above large wash (STOP2) 289 Comment
  SBBG1636  Eriogonum trichopes H. and M. Dearing 1930-4-13 113 Riverside Palm Springs Comment
  UC912817  Eriogonum trichopes P. A. Munz and D. Keck 1922-4-14 4973 Riverside 10 mi w Inidan Wells (along the Whitewater); Colorado Desert 91 Comment
  OBI37471  Eriogonum wrightii var. membranaceum Steve Boyd 1985-10-5 1190 Riverside Harford Springs Co Park, N edge of the Gavilan Plateau, Gavilan Hills 610 Comment
  UCR13758  Eriogonum wrightii var. membranaceum N. R. Zabriskie, W. W. Zabriskie 1972-9-7 534 Riverside Peninsular Range; San Jacinto Mtns., Strawberry firebreak, south of S end of Marion Ridge Road, Pine Cove, W drainage Mtns 1921 Comment
  SBBG28186  Eriogonum wrightii var. nodosum P. A. Munz 1932-10-16 12852 Riverside N base of Santa Rosa Mtns, Indio to Vandeventer Flats Rd 609 Comment
  UCR274220  Eriogonum wrightii var. wrightii Duncan S. Bell, Evan Meyer 2014-10-28 7667 Riverside northwest section Orocopia Mountains, c. 1.8 air miles northwest of the summit of Orocopia Mountain 936 Comment
  CLARK-A1528-1249  Erioneuron pulchellum John C. Roos 10/251946 3146 Riverside Chuckwalla Mountains 365 Comment
  POM47482  Eriophyllum ambiguum var. paleaceum Mary F. Spencer 1920-4-7 1428 Riverside Palm Canyon 244 Comment
  SJSU4297  Eriophyllum ambiguum var. paleaceum G. B. Youngberg 1956-3-28 195 Riverside Palm Canyon near Palm Springs 228 Comment
  RSA695682  Eriophyllum confertiflorum Kenneth Beard 1934-04 s.n Riverside Mtns. along Ortega Hwy. N. of San Juan hot Springs Comment
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Oct 31 2011
  SD137892  Eriophyllum confertiflorum Darin L. Banks, Steve Boyd 1995-5-3 278 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. North slope of Agua Tibia Mountain, east of Dripping Springs Alcove Area. 515 Comment
  UCR16866  Eriophyllum confertiflorum M. Ferro 1970-5-10 12 Riverside Hwy 60 to San Jacinto turnoff [Gilman Springs Rd.]; 4 mi [SE] then 0.25 mi off E side of rd. 457 Comment
  CAS-BOT-BC301799  Eriophyllum multicaule B. Pitzer 1997-4-1 3056 Riverside Lakeview Mtns, ca. .75 air mi. SSW of Mt. Rudoph, ca. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  CAS-BOT-BC308381  Eriophyllum pringlei N. Aitkenhead 1977-2-2 60062 A Riverside One mile from junction of Joshua T. M road and pipeline Comment
  JEPS5371  Eriophyllum wallacei Carl V. Meyer 1929-6-13 758 Riverside along the grade from the San Jacinto River Canyon to Idyllwild (lower slopes of the mountains); San Jacinto Mountains, Chalk Hill 1463 Comment
  RSA772135  Eriophyllum wallacei Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4979 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm). 750 Comment
  UCR227099  Eriophyllum wallacei Jim Andre 2011-2-2 16202 Riverside Coachella Valley, west of Palm Springs along Hwy 111 (south side) at base of San Jacinto Mtns at Windy Point 5.5 mi from junction with Hwy I-10 259 Comment
  UCR92699  Erodium botrys A. C. Sanders, O. F. Clarke 1996-4-13 18037 Riverside Riverside: Box Springs Mtns, crest of range in vicinity of park headquarters, head of Two Trees Canyon 700 Comment
  UCR93090  Erodium botrys Scott D. White 1995-3-30 2634 Riverside San Jacinto Valley, Just west of Box Springs Blvd, east of Sycamore Canyon Park 457 Comment
  SD143857  Erodium brachycarpum A. C. Sanders, G. Waines, et al. 1997-3-12 19842 Riverside Lake Skinner area: Lower Rawson Canyon, along road northeast of Skinner Lake. 456 Comment
  SDSU7341  Erodium cicutarium S. J. Barnhart 1966-4-1 660417 -13 Riverside South-west facing slope of small hill 0.1 miles east of McAllister Street along the Metropolitan Water Co. utility road (dirt), which is 1.5 miles south-east of the intersection of Mc Allister Street and Victoria Avenue. 457 Comment
  SEINET13752389  Erodium texanum Heather Breakiron 2017-3-21 1 Riverside 11 miles southwest of Blythe, CA Comment
  RSA282905  Erysimum capitatum var. capitatum C. W. Tilforth, John Dourley 1980-7-15 2069 Riverside Along Thomas Mtn Road, south of Lake Hemet, W of Hwy 74. Comment
  RSA0076217  Erythranthe androsacea Jeri Hirshberg 1995-5-19 279 Riverside San Jacinto Mountains, Garner Valley. Comment
  RSA0020250  Erythranthe floribunda Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2121 Riverside Santa Rosa Mountains. Comment
  SD197926  Erythranthe guttata Mike Misenhelter 2005-6-8 Riverside Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Highway 243 and Marian View Dr. 1512 Comment
  SBBG44510  Eschscholzia glyptosperma Leota Davidson 1966-4-5 288 Riverside off Interstate 10, past Wylie Well, 2 mi past intersection, Chuckawalla Mts 213 Comment
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Oct 23 2011
  LA85614  Eschscholzia minutiflora Elizabeth McClintock; 1946-4-14 sn Riverside at foot of Pines to Palms Highway, to S of road near the two bridges Comment
  RSA695435  Eschscholzia minutiflora Scott D. White, Michael Honer 2003-5-14 9288 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  RSA0022947  Eschscholzia minutiflora Mary F. Spencer 1920-3-24 248 Riverside Near Indio. Colorado Desert. 91 Comment
  HSC49384  Eschscholzia parishii D. L. Goforth 1979-4-11 107 Riverside 1 km N of junction of Hwy. 10 and S entrance road to Joshua Tree National Monument 518 Comment
  UCR148448  Eschscholzia parishii John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.5 mile transect along Coachella Canal right-of-way, between siphons 26 and 28, north of Hunters Spring, near S base of Orocopia Mtns. 21 Comment
  UCSB18266  Eschscholzia parishii Day, Fran 1964-3-23 Riverside 4.2 miles N of south entrance to Joshua Tree National Monument 762 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
  UC1608084  Eucalyptus camaldulensis A. C. Sanders and B. Pitzer 1986-2-10 BG- 27 Riverside in Myrtle section U.C. Riverside Botanical Garden (Grid cell K-6) 396 Comment
  RSA495797  Eucrypta chrysanthemifolia Steve Boyd, Tim Ross, L. Arnseth 1989-3-11 2904 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 396 Comment
  UCR104943  Eucrypta chrysanthemifolia A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20700 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
  RSA614403  Eucrypta chrysanthemifolia var. chrysanthemifolia D. L. Banks 1997-3-16 1536 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound. 567 Comment
  SDSU13329  Eucrypta chrysanthemifolia var. chrysanthemifolia Joseph R. Verfaillie, BIO 531 Taxonomy class (SDSU) 2000-4-1 24 Riverside Along a poorly defined trail east of the north research station. At the Santa Margarita Ecological Research Station (SDSU). 322 Comment
  JEPS1709  Eucrypta micrantha Marjorie D. Clary 1932-3-6 1031 Riverside 7 mi w Coachella; Colorado Desert, La Quinta Canyon 152 Comment
  JEPS22524  Eucrypta micrantha Rimo Bacigalupi with Paul Hutchison 1958-2-19 6186 Riverside 9.4 mi n Blythe (at w base of Big Maria Mts); Big Maria Mts. 167 Comment
  SEINET6089988  Eulobus californicus Unknown 1944-5-6 1210 Riverside Whitewater Canyon. Comment
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Feb 27 2016
  CAS-BOT-BC202784  Euonymus occidentalis var. parishii H. M. Hall 1901-6-1 2299 Riverside San Jacinto Mountains. In the vicinity of Strawberry Valley 1828 Comment
  RSA357136  Euonymus occidentalis var. parishii R. F. Thorne 1969-10-25 41851 Riverside San Jacinto Mountains: James Reserve. Comment
  SEINET10739487  Euphorbia David B. Dunn, Harold L. Lint 1948-1-25 Dunn 3635 Riverside Found near Quad 6 on the Pushawalla Canyon, Indio Hills of the Colorado Desert; west of Indio. Comment
  UCR116480  Euphorbia albomarginata A. C. Sanders, T. B. Salvato 2001-5-25 24378 Riverside San Jacinto Valley, west end of Hemet-Ryan airport runway, 50-200 m east of Warren Rd. and 100-200 m north of Stetson Ave. 457 Comment
  UCR225450  Euphorbia albomarginata A. C. Sanders, T. B. Salvato 2011-3-28 38830 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, between Sun City and Perris, west end of McLaughlin Rd. near Byers Rd., along powerline corridor 442 Comment
  JOTR34092  Euphorbia eriantha La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1020 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, approx. 2.5 miles north of park boundary 711 Comment
  UCR88156  Euphorbia ophthalmica A. C. Sanders 1994-11-8 15864 Riverside Sonoran (Colorado) Desert, Coachella Valley, Palm Desert. Weeds in lawns & flower beds along a commercial strip on Hwy 111 between Hwy 74 & Sage Lane 46 Comment
  UCR280997  Euphorbia polycarpa Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-13 417- 53 Riverside Peninsular Ranges, Wildomar, Sedco Hills, along transmission road between Lost Rd. and Lake View Rd. 564 Comment
  RSA0059013  Euphorbia polycarpa var. hirtella Edmund C. Jaeger 1939-12-3 s.n. Riverside Orocopia Mts. south of Hayfields Reservoir. 427 Comment
  UCD142857  Euphorbia setiloba Lewis S. Rose 1967-12-19 67178 Riverside La Quinta. 15 Comment
  UCD142864  Euphorbia setiloba G. L. Webster; R. Hildreth 1966-12-10 7469 Riverside Box Canyon Wash. C. 7-8 mi NE of Mecca on Cal. 195. 198 Comment
  UCR82925  Eustoma exaltatum A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15811 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  CAS-BOT-BC171043  Fagonia laevis Duncan M. Porter 1961-12-28 752 Riverside Ca. 1 mile E of Desert Center on Highways 60 and 70. Comment
  GMDRC9794  Fagonia laevis J. M. Andre 2017-3-1 37995 Riverside Orocopia Mountains: north end of range, near BLM Rd # 133, 3.5 mi. SE of Interstate 10 (at Box Cyn/Cottonwood Spring Rd exits). 606 Comment
  HSC65735  Fagonia laevis B. A. Prigge, L. Martinez 1978-3-23 2428 Riverside NW Colorado Desert, 1.2 miles E of Sky Valley, near Dillon X Skyridge Roads. 335 Comment
  JOTR31776  Fagonia laevis La Doux, Tasha, Jim Andre 2009-3-10 385 Riverside Joshua Tree National Park. South end of the Cottonwood Mountains, near Pinkham Wash just north of aquaduct just inside park boundary; approx. 7mi west of south entrance 541 Comment
  UC1212089  Fagonia laevis Peter M. Ray 1949-3-6 1328 Riverside near 1000 Palms (Willis Palms); Coachella Valley Comment
  UCR200289  Fagonia pachyacantha Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11237 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 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 549 Comment
  SD148116  Fatoua villosa A. C. Saunders, T. B. Saunders 2001-10-8 24878 Riverside Riverside, UCR Campus in old Citrus Expt. Station lath house near the intersection of S Campus Dr. and E. Campus Dr. just N of the reservoir 351 Comment
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Sep 24 2017
  UCR90359  Festuca arundinacea Scott D. White 1995-6-30 3415 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  UCR162272  Festuca myuros S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1220 Comment
  UCR214149  Festuca octoflora A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37713 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, 0.45 mi NNE (14 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 418 Comment
  RSA628477  Filago californica A. C. Sanders 1994-5-30 14613 Riverside Foothills NNE of Beaumont. 950 Comment
  UCR127333  Filago californica A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25842 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  RSA678221  Filago depressa Valerie L. Soza, J. Mark Porter, Gary D. Wallace 2001-4-2 1090 Riverside Little San Bernardino Mountains region: Big Morongo Wash. 473 Comment
  UCR116000  Foeniculum vulgare A. C. Sanders, D. Bramlet, E. J. Lawlor, C. L. Sanders 2000-1-16 23309 Riverside Shipley-Skinner Reserve, campground and boat launching area on the east side of Lake Skinner 457 Comment
  RSA115035  Forestiera pubescens E. K. Balls 1955-7-19 20974 Riverside Hwy, 74, 17 mi. se. of Mountain Center on road to Palm Springs. Comment
  POM13038  Fouquieria splendens P. A. Munz, D. Keck 1922-4-9 4897 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  CAS-BOT-BC223602  Fouquieria splendens subsp. splendens Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9559 Riverside 1 mile below Cottonwood Springs Comment
  JEPS46442  Fouquieria splendens subsp. splendens W. L. Jepson 1912-10-30 5251 Riverside Black Point, Blythe intake Comment
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Jun 8 2012
  UCD104214  Fouquieria splendens subsp. splendens Helen Kennedy; Fred R. Ganders 2008-4-9 6262 Riverside Mojave Desert. 0.5 mi. from junction of Hwy. 10 and Cottonwoods Springs Rd., on dirt road to W, SE of entrance to Joshua Tree National Park. 529 Comment
  RSA293533  Frasera parryi C. W. Tilforth, Walter Wisura 1979-8-8 1902 Riverside Along hiway 74, 7.5 mi. south-east of Lake Hemet turn-off, Garner Valley Comment
  CAS-BOT-BC211016  Fraxinus velutina Winfield 1975-4-17 2399 Riverside West end Fairmont Park - Riverside Comment
  UCR119846  Fraxinus velutina T. P. Krantz, K. Berg 1978-1 s.n. Riverside San Jacinto Mtns., Mellor Creek, near confluence of Mellor Creek and Indian Creek, up the creek c. 50 m from FS road 4S10 Comment
  RSA192339  Fraxinus velutina var. coriacea E. W. Lathrop 1966-3-2 6048 Riverside 12 miles NW of Murrieta, Skyline Drive Road at junction of Wildomar and Los Alamos truck trails 878 Comment
  UCR177659  Fraxinus velutina var. coriacea P. A. Munz 1922-6-24 5810 Riverside Peninsular Range; San Jacinto Mtns., Pipe Creek, near Kenworthy 1524 Comment
  POM48340  Fremontodendron californicum E. C. Jaeger 1925-3-1 s.n. Riverside Snow Canyon. San Jacinto Mts. Comment
  SEINET273042  Fritillaria biflora A. C. Sanders 1997-4-3 20166 Riverside Lake Skinner area; N edge of large clay patch adjacent to the Skinner entrance rd. ca 1-2 km NE of Borel. UTM 10km cel 473 Comment
  JOTR35332  Funastrum hirtellum Harding, Mitzi, Mark Wheeler 2012-2-28 98 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; southeastern most canyon in the range (Stop 2) 265 Comment
  POM184548  Funastrum hirtellum C. L. Hitchcock 1932-4-7 12199 Riverside Corn Springs. Comment
  SFV17333  Funastrum hirtellum J. D. Dilley, J. N. Hogue (108.16) 1998-4-23 272 Riverside Sonoran Desert Chuckwalla Mountains. Corn Springs Wash at Corn Spring. 488 Comment
  UCR112980  Gaillardia pulchella Mitch Provance 1998-6-20 754 Riverside Jurupa Mountains, Glen Avon Heights, on the north side of Conning St. (dirt road portion traversing from W to E), which lies between Campbell St. and Lindsay St. 262 Comment
  LA35621  Galium andrewsii Ronald A. Cross; April 1952 - May 1952 Riverside California State Hwy. 74 near Santa Rosa Summit (aprox. 3 Mi. south) Comment
  UCR135724  Galium andrewsii Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9010 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 Comment
  UCR213441  Galium angustifolium A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37829 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, ridge west of dirt extension of Lake St., 0.9 mi. north (358 deg. ) of intersection of I-15 and Lake St. 488 Comment
  UCR214310  Galium angustifolium A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38403 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  JEPS56070  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and Clare Hardham 1965-6-17 4134 Riverside on road to Alvin Meadow from Idyllwild Comment
  POM337416  Galium angustifolium subsp. angustifolium F. R. Fosberg 1929-5-3 S 1029 Riverside Head of Temecula Valley. Comment
  RSA221072  Galium angustifolium subsp. angustifolium E. W. Lathrop 1966-5-8 6448 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
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Apr 28 2011
  RSA761269  Galium angustifolium subsp. jacinticum Shawn Krosnick, Naomi S. Fraga, Lucinda A. McDade 2010-8-14 669 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCR214013  Galium aparine A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37795 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  UC1929476  Galium porrigens Scott D. White, Michael Honer 2003-6-3 9476 Riverside San Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. Comment
  UCR155336  Galium porrigens A. C. Sanders, Mike Misenhelter 2005-3-23 29266 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  RSA706293  Galium porrigens var. porrigens Naomi S. Fraga, Sarah J. De Groot, Valerie Soza 2004-6-28 1281 Riverside Along Red Hill Road (5S10) near Alvin Meadows, southwest of Pine Cove. 1616 Comment
  RSA751277  Galium porrigens var. porrigens A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35628 Riverside May Valley c. 1.25 mi SW of Fleming Ranch, mouth of nameless tributary NW of Herkey Crk., just north of Bonita Vista Rd. 1543 Comment
  UCSB45609  Galium stellatum Roos, John 1949-4-6 Riverside Canyon in the Orocopia Mtns. 2 1/2 miles N.E. of Dos Palmas Spring 182 Comment
  UCR52012  Galium stellatum subsp. eremicum Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2212 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  JOTR31769  Galium stellatum var. eremicum Andre, Jim, Tasha La Doux 2009-3-10 11235 Riverside Joshua Tree National Park. South end of the Cottonwood Mountains, near Pinkham Wash just north of aquaduct just inside park boundary; approx. 7mi west of south entrance 541 Comment
  LA208442  Galium stellatum var. eremicum Martha Hilend; 1932-3-25 Riverside Chuckwalla Mountains, Chuckwalla Mts., about 3 mi above Corn Spring Comment
  UCR237512  Galium stellatum var. eremicum Amber Swanson 2011-3-18 213 Riverside Mojave Desert, near campsite off Corn Spring Road in Chuckwalla Mountains 575 Comment
  UCR274225  Garrya flavescens Duncan S. Bell 2014-11-14 7706 Riverside Santa Rosa Mountains, Santa Rosa Mountain Wilderness area, west side of Martinez Mountain, at meeting point of Horsethief Creek and the Cactus Spring Trail 1055 Comment
  POM20916  Gastridium phleoides P. A. Munz 1923-9-7 7758 Riverside Trail from Holy Jim Canyon to Santiago Peak 1128 Comment
  POM30733  Geraea canescens W. G. Wright s.n. Riverside Agua Caliente (Palm Spring), Colorado Desert. Comment
  UC1922398  Geraea canescens Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1430 Riverside Colorado Desert; Northeastern Colorado Desert region; Along Palen Road near Hwy 177. 170 Comment
  UCR85088  Geraea canescens A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16025 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  UCSB18114  Geraea canescens Day, Fran 1964-3-23 Riverside 3.0 miles east of U.S. 99 on Ramon Road near 1000 Palms Comment
  UCSB57883  Geraea canescens Wolf, Carl 1932-4-27 Riverside Colorado Desert; 16 mi. E. of Desert Center; Chuckwalla Valley 121 Comment
  SD152832  Geranium carolinianum Steve Boyd 1992-4-15 6875 Riverside San Mateo Canyon Wilderness Area; Bluewater Trail, downstream to the confluencde with San Mateo Creek. 334 Comment
  UC1929465  Geranium carolinianum Scott D. White, Michael Honer 2003-6-3 9479 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. Comment
  RSA676045  Gilia Scott D. White 2001-4-17 8346 Riverside Sonoran Desert: Shaver's Valley. North of the I-10 Freeway, ca. 16 miles east of Indio jtn. I-10 / SR 111. Bajada, washes, and mtn. foothills near powerline access roads at unnamed freeway exit accessing pump station. 457 Comment
  RSA395906  Gilia angelensis Steve Boyd 1986-4-22 1776 Riverside Gavillian Hills: Plateau remnant on ridge E of Estelle Mountain, S of Dawson Canyon. Comment
  RSA470130  Gilia angelensis Christopher Davidson 1973-4-1 1832 Riverside Jct. Vail Lake Marina and Hwy. 71/79, about 3 miles west of Aguanga. 426 Comment
  RSA550024  Gilia angelensis W. Wisura, A. King, Lydia Newcomb 1992-4-10 4673 Riverside Gorgonio Pass: Stubbe Canyon N of W-Palm Springs. Comment
  RSA628246  Gilia angelensis George K. Helmkamp, E. A. Helmkamp 1997-3-5 1335 Riverside Cabazon; 0.5 mi N of I-10 on Millard Rd. 564 Comment
  SD152788  Gilia angelensis Steve Boyd 1992-4-15 6880 Riverside San Mateo Canyon Wilderness Area; Bluewater Canyon along Bluewater Tr. Downstream to the confluence with San Mateo Creek. 334 Comment
  UC880109  Gilia angelensis P. A. Munz and I. M. Johnston 1922-5-19 5350 Riverside 5 mi ne Murietta; ne of Murietta 457 Comment
  UCR166166  Gilia angelensis 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
  UC1928524  Gilia australis Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10501 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; West side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains Comment
  RSA95645  Gilia diegensis Verne Grant, Alva Grant 1955-04 20680 Riverside Creek bottom in brush on Clark and Noni Ranch, 10 mi. E of hwy 395 on hwy 71, Temecula to Warner Hot Springs. Comment
  UC1931687  Gilia latifolia J. Wear, N. Moorhatch 1993-6-11 Riverside Mecca Hills 60 Comment
  SEINET12278788  Gilia latifolia H. M. Hall 1902-1 2913 Riverside vicinity of Winchester 457 Comment
  UCR103596  Gilia maculata George K. Helmkamp 1997-2-26 1309 Riverside Sonoran (Colorado) Desert, Coachella Valley, about 200 yards SE of the jct of Calif. Hwy 62 & Indian Ave. in the NW end of the Valley 488 Comment
  RSA0016281  Gilia ochroleuca subsp. exilis W. Wisura 1987-5-21 4161 Riverside 8.2 miles from Hwy 74, going S on forestry rd. 5S15; just S of summit of Thomas Mtn. Comment
  RSA775920  Gilia scopulorum Duncan S. Bell, Amanda Turek 2010-4-10 809 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  JOTR35500  Gilia sinuata La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3188 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Smithwater Canyon, below steep rock wall at bend in canyon (Biodiversity Hunt stop3) 1241 Comment
  CAS-BOT-BC123828  Gilia splendens subsp. australis Herbert Louis Mason 1926-5-2 3195 Riverside Temecula Valley Comment
  SD119929  Gilia stellata Sears 1978-3-23 1057 Riverside Oro Copia Mt. transect. Comment
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Mar 3 2013
  UC1123761  Gilia stellata H. S. Yates 1937-3-24 6475 Riverside near mouth Deep Canyon; Thermal Quad., mouth of Deep Canyon Comment
  UCR216212  Gilia stellata Jim Andre, T. La Doux 2009-2-25 10826 Riverside Sonoran (Colorado) Desert, Palen Dry Lake; c. 6 miles north of I-10 freeway, c. 15 miles east of Desert Center 129 Comment
  UCR158285  Githopsis diffusa A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30111 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
  CLARK-A1045-65  Githopsis specularioides George K. Helmkamp 1978-5-2 Riverside Bautista Canyon burn on moist, north slope of Canyon; Hemet 15'Q Comment
  UCR89233  Glinus lotoides Scott D. White 1995-9-22 3688 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
  CDA4145  Glycyrrhiza glabra K. E. Hoffmaster 1968-11-18 Riverside Coachella Valley near Mecca. 0 Comment
  SD144464  Glycyrrhiza lepidota G. Ballmer 1996-5-19 Riverside E of Murrieta: near margin of Warm Springs Creek, adjacent to Hwy I-15 right-of-way 366 Comment
  RSA783526  Gnaphalium J. D. Olmsted 1959-8-18 796 Riverside Strawberry Cr. by crossing just south of Idyllwild. 1601 Comment
  UCR101355  Gnaphalium canescens subsp. microcephalum A. C. Sanders 1997-4-10 20325 Riverside Tucalota Hills, east of Lake Skinner 701 Comment
  UCR241649  Gnaphalium luteoalbum T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 355 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  RSA760355  Gnaphalium palustre R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55211 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road 730 Comment
  UC1980272  Gnaphalium palustre R. F. Thorne with E. W. Lathrop, S. Bickstrom-Sternberg, B. Martin May 1982 55211 Riverside Peninsular Ranges; Santa Ana Mountains region; SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road. Comment
  UCR154974  Gnaphalium palustre A. C. Sanders, Kelly Volansky 2005-3-17 29209 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
  UCR155820  Gnaphalium palustre John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  JOTR31077  Grayia spinosa La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2339 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west of Ryan Mountain; Gravelly flats near Ryan Mountain campground (Stop 1) Comment
  POM182084  Guillenia lasiophylla P. A. Munz 1932-3-14 11980 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  SEINET2046411 Image available Gutierrezia sarothrae Howard Scott Gentry 1948-7-20 8178 Riverside Gentry Farm, ca. 3 mi NE of Murrieta. Comment
  UCR18660  Haplopappus squarrosus John C. Roos 1952-8-27 5890 Riverside Reche Canyon, Haas Ranch 457 Comment
  RSA0066599  Harpagonella palmeri Steve D. Boyd 2001-4-12 10414 Riverside Gavilan Hills Region: Southeast base of Alberhill Mountain on flats north of Nichols Road and west of Pierce Street, in the vicinity of Terra Cotta. Comment
  RSA0066604  Harpagonella palmeri Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-19 3045 Riverside Vail Lake area, 0.75 mi NW of dam, S flank Oak Mountain. 621 Comment
  CLARK-A1528-1169  Helianthemum scoparium John C. Roos 1947-5-24 3642 Riverside San Jacinto Mountains 1158 Comment
  RSA441799  Helianthemum scoparium var. aldersonii Ann Grove 1971-8-10 15 Riverside Tenaja Ranger Station area, Rancho California, 7 miles northwest of Murietta Comment
  RSA0018590  Helianthus annuus Duncan S. Bell 2013-1-30 4456 Riverside The Mecca Hills; collecting beside the Coachella Canal and the powerlines at the base of the mountains in narrow desiccating depressions where winter rains had collected. 23 Comment
  UCR22006  Helianthus annuus Steve Boyd 1980-9-8 347 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  SBBG60918  Helianthus californicus R. Hoffmann 1929-9-7 Riverside San Jacinto Mtns 1828 Comment
  RSA704847  Heliotropium curassavicum Anonymous 1947-4-5 s.n. Riverside Lake Elsinore. Comment
  UCR100439  Heliotropium curassavicum B. G. Pitzer 1997-4-20 3204 Riverside Lakeview Mtns, Approximately 50 ft. east of intersection of Stagecoach Road with Juniper Flat Road. 534 Comment
  UCR176887  Hemizonia kelloggii Tracy Tennant 1998-7-1 s.n. Riverside San Jacinto Valley, SE of Winchester, 'North Hills', at south end of California Ave. 457 Comment
  UCR235092  Hemizonia kelloggii A. C. Sanders, John F. Green 2012-6-1 40224 Riverside Peninsular Range; Santa Ana Mtns. Region, old railroad grade in hills between I-15 and Temescal Canyon Rd., 0.6 km WNW (295 deg. ) of El Hermano Rd. junction with Temescal Cyn. Rd. 324 Comment
  UCR165204  Hemizonia mohavensis Margaret Bornyasz 2003-8-7 s.n. Riverside Peninsular Ranges, San Jacinto Mtns., near McCall Memorial Park, N of Calif. highway 74 about 0.65 mi WNW of junction with Banning/Idyllwild Road 243 1366 Comment
  RSA715053  Hemizonia paniculata A. C. Sanders, T. B. Salvato 2003-5-21 26787 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
  UCR181341  Hemizonia paniculata Mitch Provance 2003-7-7 6523 Riverside San Bernardino Valley, S of the site of the historic town of Declezville, in an unincorporated part of Riverside Co. just south of Fontana (in the Southridge area), along the NW slopes of the Jurupa Mountains, c. 0.3 miles ENE of peak 1437 317 Comment
  UCR232043  Hemizonia paniculata John F. Green 2008-4-15 0408- 06 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
  RSA557359  Hemizonia pungens subsp. laevis Julie Greene 1993-6-11 1353 Riverside San Jacinto Wildlife Area 441 Comment
  UCR181160  Hemizonia pungens subsp. laevis R. E. Riefner Jr. 2005-8-28 05- 648 Riverside Peninsular Range, SE of Lake Elsinore toward Wildomar, Corydon Rd. at Union St. 394 Comment
  UCR189809  Hemizonia pungens subsp. laevis Diane Menuz 2006-5-9 070 Riverside Peninsular Range; Perris Basin, San Jacinto Wildlife Area, across the street from the information booth, north of Lakeview and east of Davis Rd. 434 Comment
  UCR55654  Hemizonia pungens subsp. laevis L. F. LaPre 1988-6-3 s.n. Riverside Peninsular Range, Indian Trails project site, Indian Truck Trail exit on W side of I-15 fwy in Temescal Cyn, c. 1/4 mi from the freeway Comment
  SBBG122778  Herniaria hirsuta var. cinerea A. Parikh 1990-4-17 151 Riverside 1.4 km S of Potrero Crk, 3.3 km ENE of Gilman Hot Springs 843 Comment
  RSA377054  Hesperocallis undulata N. C. Cooper 1949-4-8 3291 Riverside Blythe. 259 Comment
  UCR214566  Hesperocallis undulata A. C. Sanders 2010-3-15 37406 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
  RSA561113  Hesperocnide tenella Steve D. Boyd 1993-5-12 7359 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
  SD137990  Hesperoyucca whipplei Steve Boyd, Darin Banks 1995-4-5 8433 Riverside Palomar Range; Agua Tibia Wilderness Area; See notes for further information. Comment
  RSA740766  Heterocodon rariflorum Scott D. White, Justin M. Wood 2008-6-19 12264 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. 1585 Comment
  SDSU13944  Heterocodon rariflorum Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2109 Riverside Wet meadow region, south end of second small meadow north of El Valle. Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 640 Comment
  UC29095  Heterocodon rariflorum H. M. Hall Jul 1901 Riverside Fuller's Mills Mountains; San Jacinto Mountains 1584 Comment
  RSA0075890  Heterotheca grandiflora Scott D. White, Angelia Carey 2004-6-4 10469 Riverside San Jacinto Mountain foothills: Indian Creek watershed, above confluence w/ San Jacinto River. Uplands around former homestead area SE of creek. 579 Comment
  RSA0075885  Heterotheca grandiflora Steve Boyd 1992-9-9 7675 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Almos Road (7S04) and the confluence of Los Almos Creek., Up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  UCR19102  Hibiscus denudatus John C. Roos, Lucille Roos 1949-4-6 4145 Riverside Sonoran (Colorado) Desert, Canyon in the Orocopia Mountains, 2.5 mi. NE of Dos Palmas Spring 152 Comment
  UCR213393  Hilaria rigida A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37456 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  UCR24074  Hilaria rigida John C. Roos 1947-3-1 3298 Riverside Sonoran (Colorado) Desert, Coachella Valley, [near Thousand Palms] 8 mi. SE of Garnet 98 Comment
  CAS-BOT-BC540739  Hoffmannseggia glauca Sarah J. De Groot; Amy Rouillard 2015-9-15 7570 Riverside Ford Dry Lake, Chuckwalla Valley, N of I-10 106 Comment
  CAS-BOT-BC206379  Hoffmannseggia microphylla Alan Prather; Alice Hempel 1993-5-16 1346 Riverside Along I-10, 20.1 km E of Coachella, at the rest stop for the westbound lanes. Desert wash along the interstate. 400 Comment
  CAS-BOT-BC207561  Hoffmannseggia microphylla Roxana S. Ferris 1918-6-14 979 Riverside in box canyon [canon] near Shavers Well on Mecca-Blythe Rd. Comment
  SFV6302  Hoffmannseggia microphylla T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 56 Riverside Little San Bernardino Mountains Little San Bernardino Mountains. Berdoo Canyon. Comment
  RSA572999  Hordeum brachyantherum subsp. californicum Steve Boyd 1986-4-19 1717 Riverside Warm Springs Valley, Alberhill Creek E of Nichols Road. Comment
  RSA762761  Hordeum brachyantherum subsp. californicum R. F. Thorne, Walter Wisura, Earl Lathrop, Sara Meury 1985-5-18 60631 Riverside Santa Rosa Plateau: Cole Canyon, near entrance to Nature Conservancy Reserve. 530 Comment
  RSA609949  Hordeum intercedens D. E. Bramlet 1996-4-22 2459 Riverside San Jacinto Wildlife Area, Lovell Unit. The site is approximately 198m east of Davis Road and183m north of the San Jacinto River. This locality was some 46m south of the existing access road., 11S X 04 88 978mE X 37 45 950mN 432 Comment
  SD234244  Hordeum intercedens Mitch Provance 2005-5-17 6554 Riverside Warm Springs Valley: Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, ca 100 yards SE of the Durant RR siding, bordered on NW by Pierce St, and on N by Alberhill Creek; Baker St A+- bisecting the collection site (Lake Elsinore 7.5 'Q). 395 Comment
  UCR189805  Hordeum intercedens Theresa Johnson 2007-3-27 314 Riverside San Jacinto Valley, San Jacinto Wildlife Area east of Davis Road, on southern edge of self-guided tour's 'Marsh A 433 Comment
  UCR234425  Hordeum intercedens Jeremiah George 2012-3-4 s.n. Riverside Peninsular Range; Elsinore Trough, Lake Elsinore area, south of Nichols Rd. and east of Baker St. 387 Comment
  UCR269907  Hordeum intercedens D. E. Bramlet, Amy Hills, R. E. Riefner Jr., Russell Huddleston 2005-3-2 3661 Riverside Perris-Agunaga Basin Region; San Jacinto Valley, west of Hemet, east of San Diego Canal, west of Warren Rd., south of Hwy 74, north of W Stetson Ave. 457 Comment
  RSA750753  Hordeum murinum Scott D. White, Justin M. Wood 2009-5-22 12897 Riverside San Jacinto Mountains: Quinn Flat Meadow. 1372 Comment
  RSA774502  Hordeum murinum subsp. glaucum Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4424 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell., Between N33.94217, W116.64118 and N33.94722 W116.64316 487 Comment
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May 7 2014
  CAS-BOT-BC148566  Horkelia clevelandii F. Grinnell Jr. 1908-7-1 s.n. Riverside Strawberry Valley 1828 Comment
  UCR4670  Horkelia clevelandii Frank C. Vasek 1964-7-19 640719- 04 Riverside Peninsular Range; San Jacinto Mtns., Pine Cove Comment
  RSA46848  Horkelia cuneata subsp. puberula Charlotte M. Wilder 1904-5-15 82 Riverside North side of Jurupa Hills, NW of Riverside Comment
  UCR37729  Hornungia procumbens A. C. Sanders 1985-3-7 5403 Riverside San Jacinto Valley, salt scald in barley fields c. 1/4 mi south of the intersection of Bridge St. and Gilman Springs Rd. 457 Comment
  RSA0104075  Horsfordia newberryi Duncan S. Bell, Evan Meyer 2014-10-29 7674 Riverside Santa Rosa Mountains; around the mouth of Martinez Canyon, about 3.5 air miles southwest of Valerie. 169 Comment
  UC32853  Hulsea heterochroma H. M. Hall 1901-6-1 2048 Riverside s slopes in vicinity Chalk Hill; San Jacinto Mountains 1524 Comment
  RSA608478  Hydrocotyle ranunculoides L. C. Wheeler 1961-6-24 7907 Riverside San Jacinto Mountains: Fulmor Lake. Comment
  UCR16694  Hymenoclea salsola R. L. Lasby 1969-5-3 17 Riverside San Bernardino Mtns/Colorado Desert, canyon 3 miles NE of Cabezon 671 Comment
  CHSC99604  Hymenoclea salsola var. salsola LeRoy Gross 2005-3-3 1596 Riverside Colorado Desert; Northeastern Colorado Desert region: Palen Mountains, south side. Near end of old prospect road. Near 33.71244N, 115.11171W to 33.72053N, 115.11051W. General collecting along ridge with patino and a rejuvenate steep sided rocky, sandy canyon just to the east. All on a sparse vegetative pebbly plain bajada. 225 Comment
  RSA613641  Hypochaeris glabra D. L. Banks, Victor Steinmann 1997-3-13 1478 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
  PASA1156  Hyptis emoryi R. E. Merrill Riverside Lower Murray Canyon Comment
  RSA420157  Hyptis emoryi Christopher Davidson 1973-4-1 1835 Riverside Palm Springs. 488 Comment
  RSA420164  Hyptis emoryi Christopher Davidson 1979-4-4 7686 Riverside Orocopia Mts, lower end of Box Canyon on Box Canyon road, 4.4 miles E of Mecca 213 Comment
  RSA600126  Hyptis emoryi Louis C. Wheeler 1959-12-27 7642 Riverside Chuckwalla Mountains. White Cloud Mine. Comment
  UCD124919  Hyptis emoryi Geoffrey Levin 1975-4-5 469 Riverside 1 mile west of Berdoo Canyon Road on Dillon Road. Foothills of Little San Bernadino Mountains. 60 Comment
  UCLA61591  Hyptis emoryi F. M. Scott Riverside Painted Canyon Comment
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Jun 14 2013
  UCSB52979  Hyptis emoryi Pritchett, David; Fulton, M. 1986-3-9 Riverside Box Canyon Wash 6 miles east of Mecca on Hwy. 195 Comment
  UCSB5692  Hyptis emoryi Leeuwen, Henry 1957-4-13 Riverside Next to Cal Hwy 195 about 4 miles west of US 60 Comment
  SEINET13948480 Image available Hyptis emoryi Lewis S. Rose 1957-1 57030 Riverside La Quinta, alt ca 50 ft, desert wash 15 Comment
  SEINET13948495 Image available Hyptis emoryi N. Dunn, A. M. Martin 1932-1 Riverside Box Canon Comment
  UCR264612  Isocoma acradenia var. eremophila Mitch Provance 2012-11-9 1112- 1 Riverside Colorado Desert, Whitewater, near corner of Whitewater cutoff Rd. and Painted Hills Rd., about 0.1 miles N of Interstate 10 405 Comment
  UCR277518  Isocoma menziesii Mitch Provance 2012-9-13 912- 05 Riverside Badlands of Western Riverside County, Mt. Davis, +- 1.5 miles SW of Beaumont, vicinity of the microtower on David Mountain Rd. 845 Comment
  POM9949  Isolepis cernua D. L. Crawford, I. M. Johnston 1917-6-9 1233 Riverside Santa Ana River near Corona Comment
  UCR33658  Isomeris arborea var. arborea Sears 1978-3-18 950 Riverside Sonoran (Colorado) Desert, foothills of the Orocopia Mtns, 10 mi NE of Durmid on Railroad road 305 Comment
  UCD51331  Jarava speciosa F. M. Reed 1926-5-8 5326 Riverside Riverside and vicinity, hill near Good Hope Mine. Comment
  CAS-BOT-BC475156  Jasminum mesnyi A. C. Sanders 2006-5-13 32285 Riverside Peninsular Range: UC Emerson Oaks Reserve, 8 mi SE of Temecula, S of Hwy 79 at E end of Pauba Valley, end of Los Caballos Rd in vicinity of water tank 487 Comment
  CAS-BOT-BC167115  Juglans californica A. C. Sanders 2004-6-30 28395 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, large rocky hill (1762 ft.) 1 mi. E of Murrieta Rd. and 1 mi. N of Bundy Canyon Rd., ca. 5 miles due south of Sun City 518 Comment
  UCR209197  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37145 Riverside Peninsular Range, Box Springs Mtns. Foothills, Riverside, dry arroyo on UCR campus SE of student health center and just north of North Campus Drive 320 Comment
  SD121512  Juncus bryoides Barbara Ertter, Jeffrey L. Strachan 1980-5-21 3482 Riverside Santa Rosa Mountain Road (Forest Road 7S02) ca. 2 miles south of Highway 74 (Pines to Palms Highway), rivulets on southwest slope, moist granitic sand of opening in chaparral. 1584 Comment
  RSA736246  Juncus bufonius Scott D. White, Justin M. Wood 2008-4-3 11803 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan property, Alberhill area. 274 Comment
  UCR220333  Juncus bufonius D. E. Bramlet 1992-4-29 2252 A Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto Valley, west edge of Hemet, west of Warren Rd. and north of Florida Ave./Hwy 74 457 Comment
  SD255034  Juncus cooperi Duncan S. Bell 2015-8-12 8592 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Orocopia Mountains; southwestern section of the range, collecting at a spring in the southern section of the Dos Palmas area. Temperature at around 120a^z -41 Comment
  UC1931241  Juncus effusus Scott D. White, Justin Wood 2008-7-9 12420 Riverside San Jacinto Mountains: Johnson Meadow (Idyllwild) Comment
  VVC527  Juncus longistylis A. C. Sanders, J. Mac 1997-5-4 20693 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek. 854 Comment
  RSA666859  Juncus luciensis A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 738 Riverside Mesa de Burro 610 Comment
  UCR167326  Juncus macrophyllus Scott D. White, Angelia Carey 2004-4-16 10177 Riverside San Jacinto Mountain foothills, Indian Creek and adjacent slopes 610 Comment
  JOTR35137  Juncus tiehmii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3248 Riverside Joshua Tree National Park. West of Queen Mountain, Wonderland of Rocks; Active, bouldery wash with sandy bottom and large granite outcrops (Stop 3) 1294 Comment
  RSA519236  Juncus xiphioides 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
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Mar 24 2007
  RSA736555  Juniperus californica Scott D. White, Angelia Carey 2004-7-2 10578 Riverside Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  JEPS9192  Justicia californica Marjorie D. Clary 1934-3-3 Riverside 18 mi. w. of Indio (Carrizo Canyon); Carrizo Canyon 304 Comment
  JOTR38679  Justicia californica Hodges, Stephen R. 2017-2-2 686 Riverside Joshua Tree National Park. Cottonwood Mountains; at base of southern end, north of park boundary Comment
  RSA27713  Justicia californica C. L. Hitchcock 1940-4-5 5965 Riverside 3 mi. below Cottonwood Springs. Comment
  RSA82009  Justicia californica F. W. Peirson 1916-04 1172 Riverside abundant about mouth of Tahquitz Canyon, Palm Springs. Comment
  SFV8413  Justicia californica G. L. Webster, W. R. Hildreth 1966-12-10 7461 Riverside Mojave Desert Joshua Tree National Monument, upper part of Cottonwood Canyon, gravelly desert wash. 793 Comment
  UCR216681  Justicia californica Jim Andre, T. La Doux 2009-3-10 11245 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood 542 Comment
  UC1063329  Keckiella antirrhinoides R. St. John 1929-5-23 30 Riverside Bautista Canyon; San Jacinto Quad. 609 Comment
  UCR91349  Keckiella antirrhinoides var. antirrhinoides Scott D. White 1996-4-20 3957 Riverside Perris-Aguanga Basin region, SW of Perris: hillside south of the San Jacinto River channel 518 Comment
  POM122438  Keckiella cordifolia Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
  UCR113602  Kochia scoparia A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23674 Riverside Santa Ana River Valley, SW side of Mt. Rubidoux, NW of intersection of Tequesquite Ave. and Gregory Rd., near confluence of Arroyo Tequesquite and the river 232 Comment
  RSA792473  Koeberlinia spinosa var. tenuispina Justin M. Wood, Dustin Ray 2011-4-28 3835 Riverside Sonoran Desert: Chuckwalla Valley: 6.5 miles north of Desert Center on Kaiser Road, +/- 0.4 miles northeast of bend in road. 202 Comment
  POM10224  Koeleria macrantha F. M. Reed 1907-5-5 1338 Riverside Fairmont Park Comment
  RSA802133  Koeleria macrantha Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5016 Riverside Strawberry Creek to the southwest of Strawberry Valley, about 2.4 air miles southwest of Idyllwild. 1534 Comment
  UCR202439  Koeleria macrantha Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  UCR96412  Koeleria macrantha Scott D. White 1996-8-1 4446 Riverside San Jacinto Mtns., Idyllwild area: north of Strawberry Valley, between Bear Trap Canyon and Lily Creek 1616 Comment
  CAS-BOT-BC61424  Krameria bicolor John Thomas Howell 1927-8-1 2875 Riverside N.E. of Whitewater, Colorado Desert 457 Comment
  CAS-BOT-BC61428  Krameria bicolor E. H. Daniels; J. Bates 1932-6-5 s.n Riverside Palm Springs, Colorado Desert 137 Comment
  CAS-BOT-BC61434  Krameria bicolor Barbara Ertter; Jeffrey Strachan 1980-5-20 3464 Riverside West side Whitewater Hill, east side Whitewater Wash, northwest end of Coachella Valley north of I-10. 457 Comment
  SD260062  Krameria bicolor J. Andre 2012-4-11 20790 Riverside Joshua Tree National Park; NW Eagle Mtns, along dirt road to Black Eagle Mine, 0.7 mi. east of road to Cottonwood Spr (Utah Trail), 34 mi. south of Hwy 62 at 29 Palms. Interface of steep rocky (granitic) hills and large wash. 729 Comment
  CHSC26046  Krameria erecta James Henrickson 1971-4-2 5478 Riverside Near Hidden Oasis, 13 miles E. of Palm Springs; on rocky slope above sandy arroyo near fan palm oasis. 182 Comment
  JEPS99420  Krameria erecta D. H. Wilken, G. A. Wilken 1997-11-1 15375 Riverside Tributary of San Bernardino Wash, 0.3 km sw of Gold Crown Rd, sw slope of Pinto Mtns. Mojave Desert 605 Comment
  LA45698  Krameria erecta Carl Epling; William Robison 1933-6-26 sn Riverside Little San Bernandino Mountains, Basin 5 mi. S of Lost Horse Wells Comment
  SD84902  Krameria erecta Nancy Ryan Zabriskie, Walter Zabriskie 1972-4-9 514 Riverside Northwest of Highway 74; Deep Canyon drinage, Santa Rosa Mountains. 1219 Comment
  UCR17034  Krameria erecta Anonymous 1969-5-25 3 Riverside Southern Mojave Desert, 8 mi from entrance of Joshua Tree Natl. Monument on road from town of Joshua Tree, sandy wash 2.5 mi north of the road 1250 Comment
  SEINET269272  Krameria grayi Bern Schwen 1994-5-18 Riverside Joshua Tree National Monument ; Eagle Mountains (west side) along road between Cottonwood Spring Campground and Conejo Well 1055 Comment
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Sep 7 2013
  SEINET8753900 Image available Krameria grayi Carl B. Wolf 1932-1 2986 Riverside Colorado desert. 14 miles east of Mecca on Blythe Road (E. of Shavers Well) 152 Comment
  RSA0011208  Krameria grayi Roxana S. Ferris 1928-4-22 7196 Riverside Edge of mesa in the Colorado River opposite Parker. Comment
  UC76422  Laennecia coulteri Miss M. Alice King 1892-12-1 Riverside JPNI describes Menifee: (w Riverside Co, valley n of Paloma Valley) Menifee Comment
  UCR138570  Langloisia setosissima Steve Boyd, Orlando Mistretta 1986-3-13 1456 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  RSA776334  Langloisia setosissima subsp. setosissima Duncan S. Bell, Amanda Turek 2010-4-10 821 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  UC909089  Langloisia setosissima subsp. setosissima Herbert L. Mason 1928-3-10 4204 Riverside Hidden Springs Canyon Coachella Mts., Hidden Springs Canyon Comment
  CAS-BOT-BC170704  Larrea tridentata G. P. Rixford 1907-11-25 s.n. Riverside Between Yuma and Needles, Colorado River Comment
  RSA390032  Larrea tridentata E. A. McGregor 1966-3-21 s.n. Riverside Near Indio. Comment
  RSA609038A  Larrea tridentata Steve D. Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10058 Riverside Sonoran (Colorado) Desert Chuckwalla Mtns, NW base of the range, south of Eagle Mine Rd exit on Hwy I-10. 426 Comment
  UCR124632  Larrea tridentata B. C. Templeton, I. W. Clokey 1930-4-9 1076 Riverside Sonoran (Colorado) Desert, North of Palm Springs 400 Comment
  UCR238484  Larrea tridentata Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-22 161 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley. N of I-10. Wiley Well Rd exit on 4x4 rd towards McCoy Peak 213 Comment
  UCSB9622  Larrea tridentata Krogen, Roger 1957-1 Riverside along roadsides 2 mi. N of HWY ,60-70 in Whitewater Canyon Comment
  RSA0034537  Larrea tridentata D. Dunlop 1977-3-21 205 Riverside Desert Hot Springs. Comment
  RSA487197  Lastarriaea coriacea James L. Reveal 1988-5-23 6865 Riverside Along California Hwy 75 [74] at milepost 48, 3 miles E of Fairview Avenue in Valle Vista, N of the Hwy and south of the San Jacinto River. 610 Comment
  CAS-BOT-BC338935  Lasthenia californica John H. Thomas 1957-3-29 6520 Riverside Between Banning and Cabazon, about 2 miles east of Banning near railroad tracks 609 Comment
  CLARK-A1528-1979  Lasthenia chrysostoma John C. Roos 1952-4-2 5459 Riverside Box Springs 487 Comment
  JEPS9698  Lasthenia coronaria W. L. Jepson 1939-4-17 19134 Riverside near Twin Sprs. (n end of Temescal Canyon); Temescal Canyon 274 Comment
  POM361603  Lasthenia coronaria P. J. Remple 1942-3-2 s.n. Riverside San Gorgonio Pass S of Cabazon Comment
  UC893739  Lasthenia coronaria P. A. Munz and I. M. Johnston 1922-5-19 5349 Riverside 5 mi ne of Murietta 457 Comment
  POM157896  Lasthenia glabrata subsp. coulteri P. A. Munz 1927-5-21 10894 Riverside Coahuila Valley. 1372 Comment
  UCR90764  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1994-4-29 2373 Riverside 6.5 km west of Hemet, 915 m south of Florida Ave and 945 m west of Warren Road, Alongside the MWD canal Right-of-Way on the W side of the canal 457 Comment
  UC30437  Lasthenia gracilis Geo. R. Hall 1901-3-17 Riverside Riverside Comment
  UCR183008  Lasthenia gracilis Mitch Provance 2003-5-5 4418 B Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  CAS-BOT-BC367545  Lasthenia microglossa F. W. Peirson 1919-4-14 1376 Riverside Murray Canyon near Palm Springs 487 Comment
  RSA651394  Lathyrus vestitus subsp. alefeldii Marion P. Harthill 1976-5-6 s.n. Riverside Cleveland National Forest. 609 Comment
  RSA90289  Lathyrus vestitus subsp. alefeldii F. W. Peirson 1922-4-28 2946 Riverside Leach Canyon Near Lake Elsinore. 549 Comment
  RSA608358  Lathyrus vestitus subsp. vestitus Leota Brice 1930-4-13 30 Riverside San Jacinto Mts. Comment
  RSA0014946  Lathyrus vestitus var. vestitus LeRoy Gross, Evan Meyer 2013-5-21 6113 Riverside West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley., Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near [coordinates given.] 1631 Comment
  UCR243517  Layia glandulosa Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21092 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, upper watershed on east ridge, 1.1 mi south of radio tower, c. 6 mi. south of town center of Yucca Valley 1207 Comment
  CAS-BOT-BC379664  Layia platyglossa A. C. Sanders; G. Waines; B. Ehdaie; A. Aryavand 1997-3-12 19880 Riverside Lake Skinner area; lower Rawson Canyon, NE of the lake and SW of Black Mtn., along the road. 518 Comment
  SDSU18396  Layia platyglossa C. Matt Guilliams 2008-2-21 469 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 449 Comment
  UCR179209  Layia platyglossa Mitch Provance, Tracy Tennant 1998-6-16 MOR- 379 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon just south of Millard Guard Station 1037 Comment
  UCR239891  Layia platyglossa O. F. Clarke 2004-3-16 s.n. Riverside Peninsular Range, eastern edge of Riverside; Box Springs Mtns, Two Trees Canyon 412 Comment
  UCR34927  Layia platyglossa L. B. Ziegler 1968-4-20 277 Riverside Peninsular Range; San Jacinto Mtns., Hemet Valley 1402 Comment
Read comments
Jan 7 2013
  RSA604718  Lemna gibba L. C. Wheeler 1961-6-24 7914 Riverside San Jacinto Mountains: Fulmor Lake. Comment
  RSA0089288  Lemna minor David E. Bramlet 2005-7-13 3897 Riverside Perris-Aguanga Basin Region; San Jacinto Valley: San Jacinto Wildlife Area, east of old San jacinto River channel. 433 Comment
  UCR121787  Lepidium dictyotum var. acutidens A. C. Sanders, Carolyn Washburn 2001-4-17 24044 Riverside San Jacinto Valley, west edge of Hemet, SW corner of Florida Ave. (Hwy 74) and Warren Rd. 457 Comment
  SD140147  Lepidium dictyotum var. dictyotum A. C. Sanders 1993-4-5 13684 Riverside Western edge of Hemet, along south side of Devonshire Avenue between Old Warren and Warren Roads (Highway 54) 459 Comment
  UCR21964  Lepidium dictyotum var. dictyotum Steve Boyd 1980-5-20 s.n. Riverside Harford Springs County Park, NW corner of the Gaviln Plateau. S fork of the creek, S end of park Comment
  SEINET3148894  Lepidium fremontii L. S. Rose 1940-3-11 40104 Riverside 23 mi. W of Desert Center 366 Comment
  CAS-BOT-BC89584  Lepidium lasiocarpum C. L. Hitchcock 1940-3-31 5884 Riverside 0.5 mile below Cottonwood Spring. Comment
  CAS-BOT-BC89588  Lepidium lasiocarpum H. S. Yates 1937-3-23 6426 Riverside California Forest and Range Experiment Station. Near Thermal. 30 Comment
  RSA678339  Lepidium lasiocarpum Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10476 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
  CAS-BOT-BC89669  Lepidium lasiocarpum subsp. lasiocarpum Alice Eastwood 1913-4-30 3052 Riverside Palm Springs. Comment
  UC856469  Lepidium lasiocarpum var. lasiocarpum C. L. Hitchcock 1940-3-31 5884 Riverside 0.5 mi below Cottonwood Springs Comment
  RSA429931  Lepidium nitidum var. nitidum N. C. Cooper 1944-3-24 1034 Riverside Banning. 701 Comment
  CLARK-A1045-78  Lepidium virginicum var. pubescens George K. Helmkamp 1978-5-20 Riverside San Jacinto Mountains Idyllwild 15'Q Comment
  RSA673718  Lepidium virginicum var. pubescens Scott D. White, W. La Haye 2000-5-27 7951 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  RSA613648  Lepidium virginicum var. robinsonii D. L. Banks, Victor Steinmann 1997-3-13 1471 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
  RSA613889  Lepidium virginicum var. robinsonii A. C. Sanders 1997-3-1 19715 Riverside Box Springs Mtns.: Coyote Hill (Bench Mark ''Versity'', 1386 ft.) and ridge S and SE of the UCR Botanic Garden. 427 Comment
  SD262251  Lepidium virginicum var. robinsonii Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-27 317 62 Riverside Temescal Valley: North side of Concordia Ranch Rd., slopes just east of Black Powder Rd. 392 Comment
  RSA588825  Lepidospartum squamatum D. L. Banks, S. D. Boyd 1995-10-17 0777 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  UC1518848  Lepidospartum squamatum Robert F. Thorne, Kay L. Wright and Richard K. Benjamin 1982-10-8 55352 Riverside near Whitewater Post Office mouth of Whitewater Canyon; San Bernardino Mts. 411 Comment
  CLARK-A1656-705  Lepidospartum squamatum var. palmeri Theo Glenn 1980-10-22 Riverside Snow Creek 335 Comment
  RSA525463  Leptosiphon androsaceus Steve Boyd, D. E. Bramlet 1990-4-29 4509 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  RSA0095144  Leptosiphon floribundus subsp. glaber Scott D. White, Tasha La Doux 2000-4-20 7702 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  SD152945  Leptosyne californica Steve Boyd, Tim Ross and Orlando Mistretta 1992-2-26 6701 Riverside Santa Ana Mountains; San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  CAS-BOT-BC339363  Lessingia glandulifera var. glandulifera John Thomas Howell 1927-8-2 2909 Riverside At Idyllwild, Strawberry Valley, Mt. San Jacinto Comment
  UCR40274  Limnanthes gracilis subsp. parishii K. Tomlinson, D. Kama, R. F. Thorne 1985-3-27 892 Riverside Santa Rosa Plateau, Mesa de Colorado 610 Comment
  RSA543614  Linanthus androsaceus subsp. luteolus Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6149 Riverside S side of Elsinore Peak. Comment
  SD140026  Linanthus californicus Scott White 1993-3-15 1189 Riverside Elsinore; Highway 74, just west of northwest corner of Lake Elsinore. Comment
  CLARK-A1045-673  Linanthus ciliatus George K. Helmkamp 1977-5-21 Riverside San Jacinto Mountains forest west of Pine Cove; Palm Springs 15'Q Comment
  UCR124661  Linanthus dianthiflorus B. C. Templeton 1930-4-9 1010 Riverside San Bernardino Mtns., north of Banning 1220 Comment
  RSA776959  Linanthus jonesii Thomas Stoughton, Chrsiti Gabriel, Stephanie Rockwood 2011-3-30 908 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  UC219561  Linanthus liniflorus P. A. Munz 1922-6-23 5781 Riverside Hemet Valley San Jacinto Mts. 1371 Comment
  UC880261  Linanthus liniflorus I. W. Clokey and E. G. Anderson 1935-8-21 6828 Riverside e of Keen Camp P.O. 1370 Comment
  RSA657240  Linanthus maculatus J. Mark Porter, Valerie Soza, Gary D. Wallace 2001-4-2 12339 Riverside Coachella Valley, Desert Hot Springs, S of Big Morongo Wash, along Indian Ave, just S of the jtn. with Pierson Avenue. 396 Comment
  UCR20554  Linum lewisii W. W. Mayhew 1977-6-27 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  POM74991  Loeseliastrum schottii Marcus E. Jones 1903-5-10 10043 Riverside Palm Spring. 61 Comment
  UC23827  Loeseliastrum schottii S. B. Parish Apr 4 1896-Apr 13 1896 4127 Riverside Palm Springs (Agua Caliente) desert base San Jacinto Mts., Palm Springs (Agua Caliente) 152 Comment
  UC909104  Loeseliastrum schottii Frank W. Peirson 1926-2-22 6506 Riverside n. of grove palms 1000-Palm Canyon 152 Comment
  RSA0081258  Loeseliastrum schottii Harold Lint 1958-5-25 2042 Riverside East of Pinyon flats campground. Pines to Palms Hwy [Hwy 74]. Comment
  UCR281263  Logfia arizonica Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-14 417- 36 Riverside Peninsular Ranges, Sedco Hills (east end), along transmission road, from 0.2 mi W of Beverly St. to the vicinity of intersection with Green Meadow Way 592 Comment
  JOTR35140  Logfia depressa La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 3252 Riverside Joshua Tree National Park. West Cottonwood Mountains; southeast edge of Pinkham Wash, east of Pinkham Canyon Road; rocky flats between small drainages in mouth of Pinkham Wash (Stop 1) Comment
  UCR85316  Logfia filaginoides A. C. Sanders, George K. Helmkamp, E. A. Helmkamp 1995-3-19 16158 Riverside San Jacinto Mtns foothills/Sonoran Desert, Coachella Valley; alluvial fan of Chino Canyon along the Palm Springs tram road, north of the road, 14 telephone poles above Hwy 111/Palm Canyon Dr. 300 Comment
  POM266274  Lolium perenne subsp. multiflorum J. C. Roos 1937-5-2 1397 Riverside La Sierra, western Riverside. [Collection is Jack Frost Lake. aka Frost Reservoir, apparently a part of La Sierra [Loma Linda University Campus] ca. 1937 south of Indiana Avenue and west of Sayward Circle, near Pierce;, Owned by city of Riverside ca. 2000 Comment
  SEINET1869724  Lolium rigidum Walter Graves 2002-1 502 -30 Riverside Riverside: grown at U.C.R. in Agricultural Operations Fields. 305 Comment
  JEPS14183  Lomatium dasycarpum subsp. dasycarpum Carl V. Meyer 1929-6-18 784 Riverside upper end Hemet Valley (San Jacinto Mts.); , Hemet Valley Comment
  RSA180346  Lomatium dasycarpum subsp. dasycarpum E. W. Lathrop 1965-5-9 5717 Riverside 6 miles W of Murrieta. Comment
  RSA192214  Lomatium dasycarpum subsp. dasycarpum E. W. Lathrop 1959-4-17 4494 Riverside 14 miles west of Murrieta. Tenaja Plateau. West slope of Redonda Mesa. Comment
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Apr 28 2011
  RSA97151  Lomatium dasycarpum subsp. dasycarpum F. W. Peirson 1922-5-19 4461 Riverside 3 miles northeast of Murrieta. Comment
  UC21220  Lomatium lucidum Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  UC56507  Lomatium lucidum W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1931 Riverside Temecula Creek 609 Comment
  SEINET5779565 Image available Lomatium utriculatum Marcus E. Jones 1882-1 3172 Riverside San Jacinto Comment
  SD187388  Lonicera subspicata var. denudata Scott D. White, Angelia Carey 2004-5-7 10351 Riverside Indian Crek and adjacent foothills. 548 Comment
  UCR194204  Lotus argophyllus Scott D. White 2006-4-27 11302 Riverside Perris Basin/San Jacinto Mtn Foothills, Santa Rosa Hills, south of Hemet 610 Comment
  RSA567202  Lotus argophyllus var. argophyllus Walter Wisura, W. Steinmetz 1993-5-29 4918 Riverside PCT S of Hwy 74, near Table Mountain road Comment
  RSA761276  Lotus crassifolius Shawn Krosnick, Lucinda A. McDade, Naomi Fraga 2010-8-14 676 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA585745  Lotus hamatus D. L. Banks, S. D. Boyd 1995-5-9 0409 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. 737 Comment
  SEINET7073312  Lotus hamatus A. G. Vestal 1963-4-27 s.n. Riverside Santa Gertrudis Wash southeast of Murrieta Hot Springs. Coordinate datum: NAD27. Comment
  UC1784125  Lotus hamatus Milo S. Baker Apr 3-4 1928 2804 c Riverside Tahquitz Canon near Palm Springs, California Comment
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Aug 18 2010
  UCR167789  Lotus hamatus T. B. Salvato, Gregg Miller 2005-6-3 1385 Riverside Peninsular Range: Perris-Aguanga Basin, tributary of the San Jacinto River, c. 3 mi SW of Perris, 1.5 mi east of the Good Hope Mine and less than 0.25 mi south of Ethanac Road 433 Comment
  RSA406725  Lotus heermannii N. C. Cooper 1944-5-6 1167 Riverside Whitewater Canyon. 457 Comment
  UCR120807  Lotus humistratus Ian G. Gillespie 2000-4-19 8 Riverside Temescal Valley, 0.9 mi SE of Indian Truck Trail and 30 m south of DePalma Road 427 Comment
  RSA740618  Lotus nevadensis Scott D. White, Justin M. Wood 2008-6-18 12252 Riverside San Jacinto Mountains: Meadow N/W of Keen Camp Summit, S/W of hwy 79. 1402 Comment
  UCR199631  Lotus nevadensis var. davidsonii Scott D. White 2004-4-26 10251 Riverside San Jacinto Mountain Foothills, Soboba Indian Reservation, Indian Creek Watershed 671 Comment
  RSA406729  Lotus nevadensis var. nevadensis N. C. Cooper 1949-6-29 4323 Riverside Idlewild, San Jacinto Mountains. 1524 Comment
  UCR141242  Lotus purshianus A. C. Sanders, Mike Misenhelter 2004-10-6 28827 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
  RSA6200  Lotus rigidus B. D. Stark 1932-6-5 1514 Riverside Palms to Pines Road 1067 Comment
  UCR41908  Lotus salsuginosus A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6045 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, west side of the Chuckwalla Mtns., 6 mi. south of Hwy I-10 on gasline road; 1/2 mi. NW of Model Mine 520 Comment
  UC15613  Lotus salsuginosus var. brevivexillus W. G. Wright 1890-1 1755 Riverside Colorado Desert Comment
  CSUSB1194  Lotus scoparius Annette Price 1962-3-31 003 Riverside Growing along road through Citrus Experiment Station, just past station at the curve in the road, UCR campus, Riverside. Comment
  UCR140692  Lotus scoparius subsp. brevialatus A. C. Sanders 2004-5-11 27848 Riverside Elsinore Basin Region, Alberhill Mountain, ridgetop overlooking Walker Canyon and I-15 Fwy 488 Comment
  CLARK-A1528-2808  Lotus strigosus John C. Roos 1954-5-15 6120 Riverside Reche Canyon 731 Comment
  RSA614704  Lotus strigosus George K. Helmkamp, E. A. Helmkamp 1997-3-5 1325 Riverside 2.8 mi SE of Gilman Hot Springs. 518 Comment
  RSA660943  Lotus strigosus A. C. Sanders 1998-3-17 21743 Riverside Shipley/Skinner Reserve area; North Domenigoni Hills, S of Hemet 343 Comment
  RSA777532  Lotus strigosus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 909 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  UCR108400  Lotus strigosus var. strigosus D. L. Banks, V. W. Steinmann 1997-3-13 1458 Riverside NW Palomar Mtns, Agua Tibia Mtns: Redhawk Housing Development, north of the Pechanga Indian Reservation in the hills south of the intersection of Marge Place and Tehachapi Pass (S of Redhawk Parkway) 378 Comment
  UCR263651  Lotus strigosus var. tomentellus David Fraker, Aaron C. Sedgwick 2012-3-22 032 Riverside Sonoran (Colorado) Desert, Palen Mountains, Coxcomb Monument Road [becomes Palen Pass Rd.] c. 8 miles east of Hwy 177 376 Comment
  RSA49387  Lotus tomentellus P. A. Munz 1949-4-12 13025 Riverside North base of Eagle Mts., Mojave Desert 945 Comment
  CLARK-A1045-402  Ludwigia peploides George K. Helmkamp 1979-5-15 Riverside Jurupa ""at S.A. Picnic Area""; ; Fontana 7.5' Q 243 Comment
  RSA633880  Ludwigia peploides subsp. peploides Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38144 Riverside San Jacinto Mountains: San Bernardino National Forest. Lake Fulmor. 1616 Comment
  RSA413641  Lupinus andersonii N. C. Cooper 1944-6-16 1419 Riverside San Jacinto Mtns. Pine Cove. 1524 Comment
  RSA161290  Lupinus arizonicus Peter H. Raven 1958-3-15 11841 Riverside Box Canyon. Comment
  RSA788985  Lupinus arizonicus Aaron C. Sedgwick, David Fraker 2012-3-28 21 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  UC1922391  Lupinus arizonicus Naomi Fraga, Lisa Rojas 2005-2-10 1371 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCD105832  Lupinus arizonicus John Wear 1995-3-23 s.n. Riverside Colorado Desert: Blythe. Comment
  RSA651072  Lupinus bicolor Margaret Murphy 1983-4-15 0012 -A Riverside located in the north section of [parcel] 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  UCD107309  Lupinus bicolor R. N. Raynor 1933-3-31 s.n. Riverside Moreno Valley. Comment
  RSA619249  Lupinus bicolor subsp. microphyllus R. S. Woglum 1937-5-30 590 f Riverside Peninsular Ranges: Santa Rosa Mountains. [Riverside / San Diego counties] Comment
  RSA619245  Lupinus concinnus subsp. optatus R. S. Woglum 1937-5-22 565 B Riverside Santa Rosa Mountains. Comment
  SEINET10485080  Lupinus concinnus subsp. optatus Charles R. Gunn 1963-5-29 Gunn 2630 Riverside Riverside co road r1, 1/2 mi above fulmore lake, san bernardino national forest , San jacinto mountains. White standard, blue keel and wings. Comment
  LA205080  Lupinus excubitus Elizabeth McClintock; 1937-7-10 sn Riverside San Jacinto Mountains, Trail to Hidden Lake Comment
  LA205095  Lupinus excubitus W. E. Pequegnat; 1939-4-8 27 Riverside Santa Ana Mountains Comment
  SD186209  Lupinus excubitus A. C. Sanders 2004-4-20 27572 Riverside Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line. 640 Comment
  UCR213534  Lupinus excubitus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37801 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  UCR240632  Lupinus excubitus Tracy Tennant, Mitch Provance 1998-6-16 MOR- 407 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1052 Comment
  RSA699741  Lupinus excubitus var. austromontanus Keith E. Hoffmaster 1937-6-6 s.n. Riverside San Jacinto Mountains. Comment
  UCR188794  Lupinus excubitus var. excubitus Jim Andre 2006-4-26 7796 Riverside South Mojave Desert, Joshua Tree National Park, upper Long Canyon, canyon bottom c.1 mi north of Rattlesnake Spring 1321 Comment
  CLARK-A1528-2839  Lupinus hirsutissimus John C. Roos 1938-4-4 731 Riverside La Sierra Comment
  CLARK-A1703-22  Lupinus hirsutissimus Mike Cline 1967-3-30 Riverside Box Springs Mountains Comment
  UCR16244  Lupinus hirsutissimus H. C. Sharma 1976-4-25 760425- 02 Riverside San Jacinto Mtns., on Idyllwild - Banning Road. 915 Comment
  UCR19790  Lupinus latifolius W. W. Mayhew 1977-6-28 s.n. Riverside San Jacinto Mtns., Alandale 1768 Comment
  UCR92108  Lupinus microcarpus var. densiflorus D. L. Banks, Steve Boyd 1995-5-17 441 Riverside Agua Tibia Mountains, NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn, lower Arroyo Seco, south of the Dripping Springs Campground, west of the Dripping Springs Trail. 573 Comment
  UCSB36644  Lupinus microcarpus var. densiflorus Brownell, K. 1980-5-17 Riverside 4 mi. S on Tenaja Rd. from Calle Colina, Santa Ana Mts. Comment
  CLARK-A1528-502  Lupinus polycarpus Charlotte Stocks 1962-6-25 Riverside Whitewater Canyon Comment
  CHSC108883  Lupinus sparsiflorus Orlando Mistretta; D. Bell, J. England, J. Hall, C. McDonald, L. Reccia 2010-4-13 4858 Riverside Transverse Ranges; San Bernardino Mountains region: 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 N34.01235 and W116.68712. 915 Comment
  CSUSB1642  Lupinus sparsiflorus R. Pirot 1975-5-17 Riverside J. F. Road and Highway 74, Homeland 542 Comment
  JOTR29606  Lupinus sparsiflorus Andre, Jim 2006-4-26 6763 Riverside Joshua Tree National Park. Long Canyon, approximately 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  RSA757617  Lupinus sparsiflorus LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4341 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
  SD224969  Lupinus sparsiflorus G. K. Helmkamp 1998-4-3 3091 Riverside Coachella Valley: Mission Creek, the Wildlands Conservancy Preserve, 1.1 mi. NW of the ranch house beside a gauging station along the creek. 747 Comment
  SDSU12937  Lupinus sparsiflorus Jutta Buschbom 1991-6-20 36 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
  UCR269829  Lupinus sparsiflorus A. C. Sanders, Jim Malusa 2016-3-17 42357 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, along Gasline Road at major wash crossing 1.9 miles south of Bradshaw Trail 675 Comment
  POM12625  Lupinus succulentus Philip A. Munz, I. M. Johnston 1922-5-19 5384 Riverside 8 miles NE of Murietta. 412 Comment
  CLARK-A1528-2854  Lupinus truncatus John C. Roos 1952-4-9 5512 Riverside Riverside 304 Comment
  RSA414403  Lupinus truncatus N. C. Cooper 1944-4-23 1095 Riverside Banning. 701 Comment
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Mar 13 2011
  SD237445  Lupinus truncatus T. B. Salvato, Matt MallA^, Tim Searl 2011-4-19 5165 Riverside Peninsular Range: Gavilan Hills: Alberhill, unpaved extension of Lake Street, 1.5 km NNE of the intersection of Lake Street and Hwy 15 (Alberhill 7.5'Q) 462 Comment
  SDSU13325  Lupinus truncatus Jeremy Mass, Ryan Jacobson 2000-4-19 Riverside Stone Creek, Santa Margarita Ecological Reserve, along jeep trail going from south-side facility to north-side facility. About 1.5 miles from south-side facility. 183 Comment
  UCR120205  Lupinus truncatus Mitch Provance 1998-3-5 195 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', but also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 Comment
  UCR147708  Lupinus truncatus Steve Boyd, Aydee Virgen 2004-4-13 10879 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  UCR93022  Lupinus truncatus G. P. Schultz 1994-4-7 s.n. Riverside Box Springs Mtns, Big Springs Canyon and N on the crest to Two Trees Canyon (S side) Comment
  UC843082  Luzula comosa var. laxa P. A. Munz 1922-7-6 6000 Riverside Tahquitz Valley San Jacinto Mts. 2194 Comment
  CAS-BOT-BC231412  Lycium andersonii J. C. Roos 1966-2-12 s.n. Riverside 2 miles east of Desert Center Comment
  UCR41831  Lythrum californicum A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6098 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UCR61011  Machaeranthera asteroides var. asteroides Steve Boyd, T. S. Ross, L. Arnseth 1989-6-11 3718 Riverside Vail Lake area, recently burned hills at W end of lake SW of dam 488 Comment
  UCR13885  Machaeranthera canescens subsp. ziegleri J. Zabriskie 1973-8-15 381 Riverside Santa Rosa Mountains, Stump Spring 2348 Comment
  UCR72209  Machaeranthera pinnatifida subsp. gooddingii Theo Glenn 1991-5-21 91- 108 Riverside Sonoran (Colorado) Desert, Arica Mtns, SW of Rice. Near old Priest Mine 421 Comment
  RSA496120  Mahonia nevinii Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-19 3054 Riverside Vail Lake area, 0.75 miles N of dam, at edge of dissected bench, S flank Oak Mountain 518 Comment
  UCR116066  Malacothrix clevelandii O. F. Clarke, Jeanine Derby 1974-4-19 s.n. Riverside Lakeview Mountains, c. 2 mi. SSW of Mt. Rudolph, north of Juniper Flat, east of Juniper Flat Rd. and south of Stagecoach Rd., EIR for Tentative Tract 5702 610 Comment
  CAS-BOT-BC347686  Malacothrix glabrata Roxana S. Ferris 1953-4-20 12633 Riverside U.S. Highway 60 & 70, south of hayfields between crossing of Eagle Mt. Iron Mine R.R., and Shaver summit Comment
  CAS-BOT-BC347710  Malacothrix glabrata Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  POM294109  Malacothrix glabrata Lyman Benson 1946-4-15 12017 Riverside 2 miles east of Banning, Colorado Desert. 609 Comment
  POM37224  Malacothrix glabrata Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA543755  Malacothrix glabrata Steve Boyd, Mike Hammitt 1991-5-2 6075 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  RSA716262  Malacothrix glabrata Scott D. White, Angelia Carey 2004-4-5 9999 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  SBBG66070  Malacothrix glabrata A. J. McClatchie -May-1892 Riverside Elsinore Comment
  UCR268950  Malacothrix glabrata Jim Andre 2015-3-2 31351 Riverside Mojave Desert, along Kolbe Road, northwest end of Coachella Valley at foot of Little San Bernardino Mountains, 0.2 mi west of intersection between Hwy 62 and Indian Avenue, road to Desert Hot Springs, 2.3 mi south of San Bernardino Co. line 529 Comment
  UCR269857  Malacothrix glabrata A. C. Sanders, Jim Malusa 2016-3-17 42355 Riverside Sonoran (Colorado) Desert, north edge of Chocolate Mountains Aerial Gunnery Range, upper Arroyo Seco on south shoulder of Bradshaw Trail 686 Comment
  RSA708015  Malosma laurina Scott D. White, Jennifer H. Jones 2005-7-5 11150 Riverside Rainbow Valley area, west of I-15 and just N of San Diego Co. boundary. 335 Comment
  UC1042990  Malosma laurina John and Lucille Roos 1954-7-10 6191 Riverside n. side Pigeon Pass; Box Springs Mts. 487 Comment
  SD146224  Malvella leprosa A. C. Sanders, Mitch Provance 1999-9-26 23122 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi SE of Jackrabbit Trail on Gilman Springs Road, 1.4 mi. S of Eden Hot Spr. 433 Comment
  UCR150011  Marah macrocarpa Scott D. White, Angelia Carey 2004-4-16 10153 Riverside San Jacinto Mountain foothills, Indian Creek and adjacent slopes 610 Comment
  CAS-BOT-BC216182  Marina parryi Roxana S. Ferris; Rimo Bacigalupi 1958-3-19 13246 Riverside Highway U.S. 95, 11.3 mi. N of Blythe. In wash arising in Big Maria Mts. Comment
  SBBG93044  Marina parryi A. C. Sanders 1989-9-19 9505 Riverside 1.75 km (airline) S of Tabaseca Tank, along the wash above "Tabaseca Target"; Chocolate Mtns Aerial Gunnery Range 680 Comment
  CLARK-A1528-1322  Marrubium vulgare Charles S. Papp 1964-5-3 458 Riverside Riverside Comment
  UCR20746  Marrubium vulgare A. C. Sanders, Steve Boyd 1980-5-2 01452 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  IRVC14142  Marsilea vestita B. T. Gittins 1966-5-1 1259 Riverside 6 miles W of Murietta; roadside. Santa Ana Mountains Comment
  RSA619789  Marsilea vestita A. C. Sanders, K. C. Rose 1998-9-29 22240 Riverside San Jacinto Valley: west edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills 459 Comment
  RSA740933  Marsilea vestita Scott D. White, Justin M. Wood 2008-7-9 12435 Riverside K Flat, from large pond downstream to meadow. 1427 Comment
  UCR240042 Image available Matelea parvifolia A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40515 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, Chuckwalla Bench area on S side of Chuckwalla Mountains, 8.9 km SE of Gasline Rd. at narrow wash crossing 701 Comment
  RSA702261  Melica imperfecta Steve Boyd, Aydee Virgen 2004-4-13 10852 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  RSA801815  Melica imperfecta LeRoy Gross, Evan Meyer 2013-5-21 6109 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. 1631 Comment
  SEINET251739 Image available Melica imperfecta A. C. Sanders 2004-4-20 27548 Riverside Santa Ana Mtns: Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of San Diego county line(Fallbrook 7.5' Q.: Near 33. 29'34'N -117.21'56'W) 640 Comment
  UC1537223  Melica imperfecta Gordon H. True Jr. 1935-3-11 79 Riverside Box Springs 365 Comment
  UCR2555  Melica imperfecta M. F. Barrus 1920-1-27 213 Riverside Box Springs Mtns, Riverside, Sycamore Canyon 396 Comment
  RSA586853  Melilotus albus D. L. Banks, S. D. Boyd 1995-5-3 0272 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  RSA522738  Mentzelia affinis Steve Boyd, L. Arnseth 1990-3-29 3845 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
  UCR245967  Mentzelia albicaulis Duncan S. Bell 2009-3-9 116 Riverside Arica Mountains, east side of the range, west side of Rice Valley, c. 2.7 air miles NE of Priest Well, or c. 3.3 air miles SE of ghost town of Rice 244 Comment
  RSA440407  Mentzelia involucrata M. B. Dunkle 1935-3-30 4429 Riverside Pinto Basin, Colorado Desert. 915 Comment
  RSA440410  Mentzelia involucrata Christopher Davidson 1973-4-1 1839 Riverside Along Hwy 74 on desert hillside facing Palm Desert. 488 Comment
  RSA440415  Mentzelia involucrata Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  RSA440419  Mentzelia involucrata H. C. Ackley 1926-02 s.n. Riverside Shavers Well, Colorado Desert. Comment
  RSA554206  Mentzelia involucrata Theo Glenn 1991-5-2 91 -29 Riverside McCoy Mtns, NW of Blythe. 350 Comment
  RSA727865  Mentzelia involucrata Naomi S. Fraga, Lisa Rojas 2005-2-10 1358 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCR274850  Mentzelia involucrata David Fraker, Aaron C. Sedgwick 2012-4-4 067 Riverside Sonoran (Colorado) Desert, south of Joshua Tree National Park, north of Hwy I-10 on powerline road, 0.5 mi west of Cottonwood Springs Road 522 Comment
  RSA69584  Mentzelia involucrata var. megalantha F. W. Peirson 1926-1-31 6494 Riverside Dos Palmas [Spring], Colorado Desert. Comment
  UCD84490  Mentzelia longiloba Chuck Hughes 2010-6-13 148 Riverside Edge of Rice-Midland Road, about 2.5 miles southwest of Highway 62. 230 Comment
  RSA282917  Mentzelia montana C. W. Tilforth 1980-6-17 2011 Riverside Along Thomas Mtn Rd south of Lake Hemet, west of Hwy 74. 1662 Comment
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Dec 19 2008
  POM14286  Mentzelia veatchiana P. A. Munz 1922-4-29 5113 Riverside Aguanga Comment
  RSA660486  Mesembryanthemum nodiflorum A. C. Sanders, K. C. Rose 1998-5-21 21853 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
  RSA656545  Microseris heterocarpa A. C. Sanders 2000-5-25 23407 Riverside Menifee Valley; S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake 439 Comment
  UCR21903  Microseris heterocarpa Steve Boyd 1980-5-5 204 A Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  UCR230188  Microseris lindleyi A. C. Sanders 2011-4-6 38988 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  SEINET14452863  Mimetanthe pilosa B. Ertter, J. Strachan 1979-1 2978 Riverside Kenworthy Ranger Station on Rt 74 in Garner Valley, San Jacinto Mts Comment
  UC943832  Mimulus aurantiacus var. pubescens H. E. McMinn, M. Van Rensselaer 1945-6-7 1894 A Riverside Indian Canyon Truck Trail Santa Ana Mountains 853 Comment
  UCR113888  Mimulus aurantiacus var. pubescens Mitch Provance 1998-4-10 417 Riverside La Sierra Hills, east-facing slopes of hills at western extreme of Cypress Ave 351 Comment
  RSA442705  Mimulus aurantiacus var. puniceus Bonnie C. Templeton 1933-7-3 s.n. Riverside Temecula. Comment
  RSA442709  Mimulus aurantiacus var. puniceus E. Crow 1929-4-21 342 Riverside Hills west of Lake elsinore Comment
  UC1563089  Mimulus aurantiacus var. puniceus Steve Boyd 1986-3-1 1362 Riverside 1/4 mi s Harford Springs County Park; Gavilan Plateau, Gavilan Hills 640 Comment
  UC943855  Mimulus aurantiacus var. puniceus H. E. McMinn, M. Van Rensselaer 1945-6-7 1900 D-2 Riverside Temecula Grade Comment
  RSA420956  Mimulus bigelovii var. bigelovii M. B. Dunkle 1933-3-4 3065 Riverside Painted Canyon 91 Comment
  UC1080454  Mimulus bigelovii var. bigelovii P. C. Everett and E. K. Balls 1958-4-29 23017 Riverside 1 mi w Cactus City (U.S. Hwy. 60/70, Indio to Blythe) 548 Comment
  RSA614625  Mimulus brevipes D. L. Banks 1997-3-29 1571 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
  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
  RSA0048276  Mimulus fremontii Lee Haines 1935-6-30 s.n. Riverside Poppets Valley. Comment
  UCR26638  Mimulus fremontii var. fremontii E. W. Lathrop 1966-5-29 6375 Riverside Peinsular Range; Santa Ana Mtns, Cleveland National Forest, Main Divide Truck Trail between El Carriso and Santiago Peak 1223 Comment
  UCR30842  Mimulus fremontii var. fremontii A. C. Sanders, W. Rehlaender, N. M. Fellows 1983-6-28 3869 Riverside San Jacinto Mtns, Black Mountain: Forest Road 4S01, 3.9 mi above Hwy 243 2012 Comment
  UCR35250  Mimulus palmeri L. B. Ziegler 1969-5-12 362 Riverside San Jacinto Mtns, Lower Bautista Canyon 610 Comment
  RSA0056579  Mimulus parishii Barry Prigge 1980-8-5 3817 Riverside San Bernardino Mountains, Whitewater Canyon: 0.5 miles N of trout farm. 701 Comment
  SEINET3139976  Mirabilis laevis var. crassifolia R. W. Spellenberg 1996-5-26 12321 Riverside 4 km NW of Aguanga on Calif. Hwy. 79 510 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
  RSA464260  Mirabilis laevis var. retrorsa Christopher Davidson 1973-4-1 1837 Riverside Palm Springs. 488 Comment
  RSA784965  Mirabilis laevis var. retrorsa Duncan S. Bell 2012-3-18 3229 Riverside The Mecca Hills; at the mouth of Box Canyon, on the north side of the Coachella Canal. 14 Comment
  UC56246  Mirabilis laevis var. retrorsa H. M. Hall Apr 1902 Riverside Coyote Canyon; Western borders of the Colorado Desert 152 Comment
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Aug 14 2010
  RSA457753  Mirabilis laevis var. villosa Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Tim S. Ross 1988-3-10 2112 Riverside N. end Palen Mountains, 2 miles west of Palen Pass. 300 Comment
  UC1929952  Mirabilis multiflora var. pubescens Scott D. White, Justin Wood 2008-6-16 12128 Riverside San Jacinto Mountains: Fobes Canyon, =/- 1 mile up Fobes Ranch Road from Fobes Spring. Comment
  SBBG99713  Mohavea confertiflora W. L. Halvorson 1977-2-5 77 -12 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  UCR60840  Mohavea confertiflora Steve Boyd, Orlando Mistretta 1986-3-13 1453 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  UCR100127  Mollugo cerviana B. G. Pitzer 1997-10-19 3356 Riverside Sonoran (Colorado) Desert, north foot of Chuckwalla Mtns., Eagle Mtn. Road on south side of Hwy I-10, c. 0.8 mi. south of Hwy at powerline road 500 Comment
  UCR101520  Mollugo cerviana Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10050 Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, NW base of the range, south of Eagle Mine Rd exit on Hwy I-10. 427 Comment
  UC63746  Monardella breweri subsp. lanceolata Harvey M. Hall Sept. 1896 Riverside San Jacinto Mts. 1828 Comment
  UC1995336  Monardella linoides subsp. linoides C. Epling 1937-6-10 Riverside 1 mi below Nightingale (Pines-to-Palms Highway) Comment
  LA57207  Monardella nana Carl Epling; 1937-6-6 sn Riverside Palms to Pines Highway Comment
  LA96100  Monardella nana Elizabeth McClintock; H. Lewis 1941-6-22 71 Riverside 0.1 mi. from fork in road going to the public camps, on Banning-Idyllwild road Comment
  UC25476  Monardella nana H. M. Hall May 1901 1852 Riverside Between Van Deventers and Palm Canyon eastern base of mountains along the borders of the desert, San Jacinto Mountains, Colorado Desert 1219 Comment
  POM247675  Monardella nana subsp. arida E. C. Jaeger 1939-5-4 s.n. Riverside Pinon Alta Flats, Santa Rosa Mts. 1585 Comment
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Dec 10 2015
  RSA401634A  Monardella nana subsp. arida Robert Gustafson, Gary D. Wallace 1982-5-19 2574 Riverside Pines to Palms Hwy. (Hwy. 74), in the vicinity of Ribbonwood. Comment
  RSA750401  Monardella nana subsp. arida Elizabeth McClintock 1941-5-22 s.n. Riverside Anza Monument, 5 miles south of Anza, on road to Coyote Canyon. Comment
  RSA750408  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 65 Riverside Pines to Palms Highway, at turn off to Santa Rosa Mt. Comment
  UCR221489  Monardella nana subsp. arida Elizabeth McClintock, Harlan Lewis 1941-6-29 078 Riverside Peninsular Range; Santa Rosa Mtns., road up Santa Rosa Mountain, 2.3 miles beyond canyon where stream crosses road 2165 Comment
  UCR221485  Monardella nana subsp. tenuiflora Elizabeth McClintock, Harlan Lewis 1941-6-22 071 Riverside Peninsular Range; San Jacinto Mtns., 0.1 mile from fork in road going to the [Dark Canyon, etc.] public camps, on the Banning-Idyllwild road 1905 Comment
  UCSC001505  Monardella nana subsp. tenuiflora Peter Kamb 1947-6-7 576 Riverside San Jacinto Mts., Hall Canyon 1646 Comment
  UCR125894  Monardella robisonii A. C. Sanders, Mark Elvin 2001-8-17 24593 Riverside Mojave Desert, Little San Bernardino Mtns, trail from Key's View to Inspiration Point, Joshua Tree National Park 1646 Comment
  RSA96049  Monardella robisonii E. K. Balls 1954-8-4 19752 Riverside grown in Botanic Garden. Comment
  OBI23450  Monoptilon bellioides D. Seigler, C. Bohnstedt, F. Seaman and D. Riskind, D. Riskind 1970-3-25 2248 Riverside 32 mi N of Cottonwood Visitor Center in Joshua Tree Natl Monument Comment
  SBBG25114  Monoptilon bellioides D. Myrick 1966-4-1 1325 Riverside Linda Vista Lodge, Desert Hot Springs Comment
  UCR214420  Monoptilon bellioides A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37491 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  UCR37698  Moraea polystachya Steve Morgan 1984-11-2 s.n. Riverside University of California, Riverside. Botanic Garden Comment
  UCR82767  Muhlenbergia californica A. C. Sanders, T. Schram, D. Wappler 1994-10-6 15784 Riverside San Jacinto Mtns, Azalea Creek above Twin Pines, Twin Pines Creek drainage 1192 Comment
  RSA0120000  Muhlenbergia microsperma Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9091 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.75 air miles southeast of the summit of Martinez Mountain. 550 Comment
  SEINET212451 Image available Muhlenbergia microsperma Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Ke 1973-3-21 6436 Riverside Big Maria Mountains 12 airline miles north of downtown Blythe. 290 Comment
  UCR101442  Muhlenbergia microsperma A. C. Sanders 1997-3-19 20048 Riverside Lake Skinner area, lower S slopes of Bachelor Mtn., near old quarries 473 Comment
  SD9563  Myriopteris viscida C. C. Parry Apr 1876 Riverside San Jacinto Mountains Comment
  RSA516897  Nama demissa Steve Boyd, Orlando Mistretta 1986-3-13 1414 Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd & 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  POM98949  Nama demissa E. C. Jaeger 1926-3-24 s.n. Riverside Eagle Mountains. Comment
  UC56968  Nama demissa var. demissa F. Gilman 1902-1 10 Riverside Palm Springs Comment
  RSA19236  Nama demissa var. deserti I. W. Clokey 1935-4-17 6812 Riverside Cottonwood Springs. Comment
  SFV7912  Nama demissum T. Gordon, K. A. Wilson, M. H. Grayum, G. Poseley 1976-4-30 1275 Riverside Along roadside at Chiriaco Summit. 521 Comment
  RSA263722  Nassella cernua E. W. Lathrop 1966-5-26 6346 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  UCD87803  Nassella lepida A. A. Beetle 1944-4-27 3005 Riverside West of Murietta. Comment
  CLARK-A1045-219  Nemacladus glanduliferus George K. Helmkamp 1979-4-18 Riverside Little San Bernardino Mountains 3.5 miles north of Dillon Road; dry wash; Lost Horse Mtn. 15'Q Comment
  UCR127496  Nemacladus glanduliferus A. C. Sanders, G. Nuhn 1995-4-20 16599 Riverside Sonoran (Colorado) Desert, Coachella Valley, near Fan Hill, NE of Dillon Road on an abandoned road, below Little San Bernardino Mtns. NE of 1000 Palms 549 Comment
  SEINET10458394  Nemacladus longiflorus Boyd 1986-4-22 BOYD 1753 Riverside Temescal Canyon: Alluvial benches of Indian wash just south of Interstate 15 Comment
  SD137820  Nemacladus longiflorus var. breviflorus Darin L. Banks, Steve Boyd 1995-5-3 222 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; north slope of Agua Tibia mountain, east of the Dripping Springs Alcove Area. 500 Comment
  UC1979541  Nemacladus longiflorus var. breviflorus Darin L. Banks, Steve Boyd 1995-5-3 222 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of Dripping Springd Alcove Area, along the lower alluvial benches of Arroyo Seco. Comment
  POM229456  Nemacladus longiflorus var. longiflorus P. A. Munz 1937-5-30 15088 Riverside Near Vandeventer Flat. Santa Rosa Mts. 1677 Comment
  POM4574  Nemacladus longiflorus var. longiflorus S. B. Parish 1917-6-11 11304 Riverside Santa Ana River. Comment
  JOTR34081  Nemacladus orientalis La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2976 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  UCR4406  Nemacladus orientalis Frank C. Vasek 1960-3-24 600324- 27 Riverside Santa Rosa Mtns., Palms-to-Pines Highway, 4.8 miles east of Pinyon Flat [near Dos Palmas Spring] at a long wide turnoff on north side of road 1067 Comment
  RSA583742  Nemacladus pinnatifidus Steve Boyd 1995-4-24 8489 Riverside Palomar Range, eastern edge of the Agua Tibia Wilderness Area, west of Devil's Hole, along the Wildhorse Trail at a saddle near the corner of section 35. 701 Comment
  SEINET10461015  Nemacladus pinnatifidus Hall 1901-1 Hall s.n. Riverside Comment
  POM145372  Nemacladus ramosissimus P. A. Munz 1927-5-20 10810 Riverside 10 miles S. of Hemet. Comment
  RSA586730  Nemacladus ramosissimus D. L. Banks, S. D. Boyd 1995-5-17 0453 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. 598 Comment
  SD51777  Nemacladus ramosissimus Rimo Bacigalupi, G. T. Robbins 1954-5-16 4464 Riverside St. Johns Grade, State Highway 79, 11 miles south of Hemet, at junction of road to Red Mountain. 790 Comment
  RSA657237  Nemacladus rubescens J. Mark Porter, Valerie Soza, G. D. Wallace 2001-4-2 12334 Riverside Coachella Valley, along Big Morongo Wash, N of Indian Avenue, ca. 1.5 mi ESE jtn. with Hwy 62. 457 Comment
  RSA75141  Nemacladus rubescens F. W. Peirson 1928-4-24 7914 Riverside Below Cottonwood Springs, Eagle Mountains. Northern Colorado Desert. Comment
  RSA79151  Nemacladus rubescens P. A. Munz, Percy C. Everett 1952-5-2 16249 Riverside 2 miles west of Desert Hot Springs 183 Comment
  JEPS78489  Nemacladus sigmoideus W. L. Jepson 1928-4-25 12601 A Riverside Cottonwood Springs; Colorado Desert, Eagle Mountains 731 Comment
  UCR30096  Nemacladus tenuis var. aliformis George K. Helmkamp 1983-4-5 483- 45 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  RSA556434  Nemophila menziesii Julie Greene 1993-3-10 1126 Riverside San Jacinto Wildlife area. 476 Comment
  UC63802  Nemophila menziesii H. M. Hall May 17, 1901-Jun 1, 1901 1806 Riverside Strawberry Valley Comment
  UC131504  Nemophila menziesii var. integrifolia C. F. Baker 1903-4-4 4123 Riverside Elsinore Comment
  RSA511361  Nemophila pedunculata B. Pitzer, E. Misquez 1988-3-20 666 Riverside Cleveland National Forest, San Juan Loop Trail, ca. 4 mi. W of El Cariso Village, just across the hwy from Ortega Parks Store. 549 Comment
  SDSU13689  Nicotiana glauca James C. Dice with J. Dewald 1987-10-5 734 Riverside Santa Margarita River, near aqueduct crossing. T8S, R3W, southeast 1/4 of northeast 1/4 of section 27. 247 Comment
  RSA0125266  Nicotiana obtusifolia Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8762 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting near the Martinez Slide, approximately 4 air miles northeast of the summit of Martinez Mountain. 264 Comment
  UC1922494  Nicotiana obtusifolia Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10890 Riverside Sonoran Desert: Eastern Coachella Valley. Bajada beneath Mecca Hills, just east of Coachella Canal. Comment
  UC570699  Nicotiana obtusifolia Curtis Ferris 1932-3-20 67 Riverside Oasis; Painted Canyon Comment
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Jun 24 2008
  UCR154439  Nicotiana quadrivalvis A. C. Sanders, Mike Misenhelter 2005-6-15 30982 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  UCR261151  Nicotiana quadrivalvis A. C. Sanders, Jeff Crain 2015-5-20 41742 Riverside Temesal Canyon, Temescal Creek at I-15 bridge, 2.2 km west of Lake St. at Alberhill 363 Comment
  CLARK-A1528-4355  Nicotiana trigonophylla John C. Roos 1966-2-5 Riverside Indio Hills Comment
  PASA2135  Nicotiana trigonophylla 1928-3-3 Riverside Hidden Springs, Colorado Desert Comment
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Aug 27 2016
  RSA0124815  Nolina bigelovii Duncan S. Bell, LeRoy Gross 2016-3-9 8852 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central section of range, approximately 1.75 air miles north of Gucci Spring. 551 Comment
  SBBG58713  Nolina parryi Mrs. M. Holland 1939-6-13 275 Riverside Palms to Pines Hwy (St Hwy 74) 1219 Comment
  UCR18845  Nolina parryi John C. Roos 1965-7-8 s.n. Riverside San Jacinto Mtns., Thomas Valley at the Pathfinder Camp. Comment
  RSA0013355  Notholaena C. P. Cowan 1978-4-23 1202 Riverside 6.3 miles (10 km) south on Highway 74 from its junction with Highway 111 at Indian Wells. 480 Comment
  CAS-BOT-BC71165  Notholaena californica M. E. P. Hawver 1917-3-29 s.n. Riverside Tahquitz Canyon, Palm Springs Comment
  UC218652  Notholaena californica P. A. Munz and I. M. Johnston 1922-5-21 5551 Riverside 4 mi ne San Jacinto 457 Comment
  POM887  Notholaena californica subsp. californica I. M. Johnston 1918-5-30 1993 Riverside Temescal Canyon. 304 Comment
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Nov 20 2011
  RSA336195  Notholaena californica subsp. californica R. F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52017 Riverside Chino Canyon Comment
  UCD124111  Nuttallanthus texanus Steve Myers 24-25 Feb 1988 s.n. Riverside Temescal Canyon, ca. 1/4 mi. west of intersection of Highway I-15 and Indian Truck Trail. 381 Comment
  RSA78285  Oenothera californica subsp. californica P. A. Munz, E. K. Balls 1952-8-21 17970 Riverside Vandeventer Flats, SE end of San Jacinto Mtns. 1402 Comment
  SBBG61310  Oenothera deltoides M. N. Ackley 1928-4-1 763 Riverside Indio Comment
  RSA717444  Oligomeris linifolia Scott D. White, Pam De Vries 2006-3-14 11256 Riverside North of the I-10 Freeway a few mi east of Indio, at proposed I-10 / McNaughton Parkway interchange. 91 Comment
  UCR165814  Oligomeris linifolia 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
  SD72205  Olneya tesota C. W. Tilforth 1967-6-5 120 Riverside 2.0 miles west of Blythe, eastern-central Riverside County. Comment
  SEINET3107444  Olneya tesota Sears 1977-10-13 S- 610 Riverside Wiley's Well Campground (BLM). 181 Comment
  UCR1033  Olneya tesota Frank Ambrey 1959-4-24 s.n. Riverside Sonoran (Colorado) Desert, CA Hwy 195, 17.7 mi east of Mecca, at east end of Box Canyon, east side of road 305 Comment
  CAS-BOT-BC58056  Opuntia basilaris var. basilaris Alice Eastwood 1913-4-14 s.n. Riverside Field redacted by CAS, contact the data manager for more information Comment
  POM83411  Opuntia basilaris var. basilaris J. W. Toumey 1895-4-10 s.n. Riverside Banning. Comment
  SBBG88024  Opuntia littoralis A. C. Sanders 1984-4-15 5012 Riverside Mesa de Colorado, 5 air mi SW of Murrieta 60 Comment
  UCR177990  Opuntia littoralis John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, unincorporated area along San Diego Aqueduct Corridor, 1 km due west of Skunk Hollow, between Nicholas Rd. and Borel Rd., east of Murrieta Hot Springs 421 Comment
  RSA508241  Opuntia parryi E. W. Lathrop 1977-7-13 7688 Riverside Bedford Truck trail of the Cleveland National Forest. At base of Bedford Canyon. Trabuco District. 457 Comment
  RSA357376  Orcuttia californica F. W. Peirson 1922-5-19 3028 Riverside Menifee Valley Comment
  UCSB56475  Orcuttia californica Robert F. Thorne, C. W. Tilforth, L. DeBuhr and E. Lathrop 1975-8-29 47300 Riverside collected in Rancho California at E-side of La Mesa del Burro Mesa del Burro 609 Comment
  RSA0072123  Orobanche bulbosa Steve Boyd, Tim Ross, Dave Bramlet 1993-5-12 7308 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along Tenaja Road (7S01), 1.3 miles south of junction with Los Alamos Road (7S04). 426 Comment
  JEPS85948  Orobanche cooperi L. R. Heckard with R. Bacigalupi 1977-3-15 4526 Riverside along Rice Rd. ca. 16 mi. n.e. Desert Center Comment
  UC68719  Orobanche cooperi H. M. Hall 1905-5-1 5991 Riverside Colorado Desert near Indio; Colorado Desert 30 Comment
  RSA734945  Orobanche cooperi W. Blanchard 1932-4-16 s.n. Riverside Palm Spring Station. Comment
  RSA0083184  Orthilia secunda P. A. Munz 1922-9-6 6396 Riverside Round Valley, San Jacinto Mts. 2744 Comment
  SDSU4804  Osmadenia tenella H. Wedberg 1994-5-23 936 Riverside 4.8 miles from Hwy. 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
  SD144084  Osmorhiza brachypoda Scott D. White 1994-4-23 2029 Riverside Millard Canyon, ca 8 air mi N of Cabazon: USFS Rd 2S05.2 ca. 0.3 mi S of jtn 2S05.2 and 2S05B 1299 Comment
  RSA535487  Oxalis albicans subsp. californica Steve Boyd, Tim S. Ross, Orlando Mistretta 1992-2-2 6635 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Upper San Mateo Canyon between confluence of Tenaja Canyon and Los Alamos Canyon. Comment
  SD137700  Oxalis californica Darin L. Banks, Steve Boyd 1995-5-9 360 Riverside Northwest Palomar Mountains, north of the Agua Tibia Wilderness Area. North slope of Agua Tibia Mountain, the Dorland Mtn area, west of the Dripping Springs Alcove Area, west of Woodchuck Campground 792 Comment
  RSA562478  Oxalis corniculata Steve Boyd, Tim S. Ross 1992-5-5 7258 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats along Serrano Spring drainage between Lucas Canyon Trail and junction of Bluewater and Verdugo Trails. 732 Comment
  UC6605  Oxyria digyna H. M. Hall 1897-8-11 794 Riverside n side San Jacinto Mt.; n side San Jacinto Mt.; elevation as 11800 ft 3293 Comment
  UCR217535  Oxytheca caryophylloides Annie L. Bustamante 2008-6-23 113 Riverside Peninsular Ranges: San Jacinto Mtns, Dark Canyon, c. 300 m southwest of campground, 140 m south of dirt road Comment
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Feb 15 2017
  RSA279605  Oxytheca trilobata James L. Reveal, Barbara J. Ertter 1976-6-30 4571 Riverside San Jacinto Mountains, 0.3 mile south of California Hwy 74 on the road to Mile High Trap Club-1 mile road junction west of Mountain Center. 1311 Comment
  SEINET4153050 Image available Oxytheca trilobata Susan G. Stokes 1934-7-1 312 Riverside San Jacinto Mt. 1219 Comment
  UCR193411  Oxytheca trilobata A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35622 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mi. WSW of Fleming Ranch 1585 Comment
  CAS-BOT-BC121215  Paeonia californica Lyman Benson 1932-3-26 3178 Riverside Temecula Grade, Temecula Valley 548 Comment
  UCR90264  Palafoxia arida F. M. Reed 1917-5-19 3843 Riverside Western Colorado Desert, Region of Palm Springs Canyon, mesa south of Palm Springs village 152 Comment
  SEINET10875583  Palafoxia arida David B. Dunn, Shogo; Schroeder; Bruskin; A. Folsom 1948-3-13 Dunn 3725 Riverside Found growing in a wash. Indio Hills, Colorado Desert. Near Pushawalla. Comment
  RSA6125  Palafoxia arida var. arida C. B. Wolf 1932-5-25 3684 Riverside San Gorgonio Wash, on road to Snow Creek. 366 Comment
  UCR279543  Palafoxia arida var. arida A. C. Sanders, Jim Malusa 2017-3-27 43128 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Siphon 22 on the Coachella Canal, just inside Naval Aerial Gunnery Range boundary 23 Comment
  UCSB6736  Palafoxia arida var. arida Krogen, Roger 1957-1 Riverside Canyon bottom 8 mi. E of Mecca in Box Canyon Wash on Hwy. 195 Comment
  UCSB9697  Palafoxia arida var. arida Leeuwen, Henry 1957-4-13 Riverside On shoulder of Cal. Hwy. 195 about 10 miles west of U.S. 60 Comment
  POM230179  Palafoxia linearis I. W. Clokey 1935-4-17 6935 Riverside Shafer [Shavers] Wells - Cottonwood Springs. 25 Comment
  UC1929469  Panicum acuminatum var. acuminatum Scott D. White, Michael Honer 2003-6-3 9494 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. Comment
  CAS-BOT-BC253902  Panicum urvilleanum Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater 304 Comment
  UCR101838  Parietaria hespera var. hespera B. G. Pitzer 1997-4-1 3062 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  UC56651  Parietaria pensylvanica H. M. Hall May 1901 1884 Riverside se base San Jacinto Mts. Comment
  SBBG3286  Parkinsonia florida H. and M. Dearing 1937-4-10 Riverside Aqueduct Rd 8 mi N of Indio [Long Cyn] Comment
  SBBG46835  Pectis papposa K. K. Muller 1971-11-7 2981 Riverside just S of US Hwy 60, opposite S entrance to Joshua Tree Nat Monument Comment
  SEINET10799090  Pectis papposa Frederick M. Reed 1934-9-26 Reed 8957 Riverside Pines to Palus Road - Santa Rosa Mts. below Pinon Flats. 366 Comment
  OBI15591  Pectis papposa var. papposa Robert F. Hoover 1966-10-15 10174 Riverside Bighorn Dr, San Jacinto Mts Comment
  RSA49172  Pectocarya heterocarpa P. A. Munz 1949-4-13 13065 Riverside Cottonwood Springs, west end of Eagle Mts. Colorado Desert 1143 Comment
  RSA775798  Pectocarya heterocarpa Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 990 Riverside Iron Mountains, on southwest side of mountains in drainage on either side of the road 419 Comment
  UCR138575  Pectocarya heterocarpa Steve Boyd, Orlando Mistretta 1986-3-13 1437 Riverside Sonoran (Colorado) Desert, Palen Mtns: NE of Desert Center, junction of Parker Dam Road and 'Palen Road' (road going through pass between Palen and Granite Ranges) 366 Comment
  UCR120964  Pectocarya linearis A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23891 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  UCR181348  Pectocarya linearis Mitch Provance, Tracy Tennant 2003-4-5 6530 Riverside San Bernardino Valley, Fontana, Martin Tudor Park, north side of the Jurupa Mountains, west of Sierra Blvd 360 Comment
  UCR225147  Pectocarya linearis Dave Silverman, Cindy Hopkins, Jamison Miner 2008-3-31 7020 Riverside SE of Banning, old gravel pit/dump E of water treatment facility, along Smith Creek, 320 m S of East Westward Ave. 628 Comment
  UCR225507  Pectocarya linearis A. C. Sanders, T. B. Salvato 2011-3-29 38877 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor 0.45 east of Goetz Rd. and 0.07 km east Wheat St. 450 Comment
  RSA314642  Pectocarya linearis subsp. ferocula R. F. Thorne 1983-4-23 55449 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  POM6648  Pectocarya penicillata P. A. Munz, L. T. Street, G. Williams 1919-3-28 2387 Riverside San Gorgonio Pass, near Cabazon 543 Comment
Read comments
Mar 13 2011
  RSA495816  Pectocarya penicillata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-12 2926 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  RSA680566  Pectocarya platycarpa Scott D. White, Michael Honer 2003-4-30 9141 Riverside Shavers Valley. About 1-2 miles south west of unnamed freeway exit at pumping station. 396 Comment
  SEINET2042516 Image available Pectocarya platycarpa A. C. Sanders 2001-3-20 23844 Riverside (Desert Hot Springs Quad 7.5') Coachella Valley, Garnet, N side of 19th Ave.; 0.5 mi (airline) NW of intersection of I-10 and Indian Ave. T3S R4E S15, center 235 Comment
  UCR41560  Pectocarya platycarpa A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6018 Riverside Chuckwalla Valley, 1 mi west of Hayfield Lake, 2 mi SW of the pumping station on a small cutoff road from Hayfield Rd to the dirt road to the Colorado River Aqueduct 427 Comment
  JEPS30584  Pectocarya recurvata S. B. Parish 1920-3-25 20001 Riverside Colorado Desert, San Jacinto, Palm Springs Comment
  JOTR29563  Pectocarya recurvata Andre, Jim, Tasha LaDoux 2006-4-11 6737 Riverside Joshua Tree National Park. Along Pinto Basin Rd (paved) in Wilson Canyon 857 Comment
  RSA0124824  Pectocarya recurvata Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8750 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting on the Martinez Slide to the north of Toro Canyon, approximately 5.25 air miles east northeast of the summit of Martinez Mountain. 123 Comment
  RSA501080  Pectocarya recurvata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3198 Riverside Vail Lake Area, W end of bench on S flank of Oak Mt. 518 Comment
  SD39276  Pectocarya setosa Edith A. Purer 1935-4-21 6451 Riverside Pine Valley, Pines to Palms Highway Comment
  RSA509566  Pedicularis densiflora John Adams 1966-4-30 s.n. Riverside 3 mi. above De Luz on dirt road. 915 Comment
  SEINET7073394  Pellaea andromedifolia A. G. Vestal 1963-4-23 s.n. Riverside About 0.6 mile up Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  POM8767  Pellaea andromedifolia var. andromedifolia P. A. Munz, Harwood 1920-2-28 3233 Riverside 2 mi. southeast of Corona 274 Comment
  UCR280620  Pellaea mucronata Mitch Provance, Jeremiah George, Matt K. Beyers 2017-4-3 417- 07 Riverside Gavilan Hills, Alberhill Canyon, dirt road portion of Lake St., about 0.8 miles N of Hwy. 15 at Alberhill. 457 Comment
  CAS-BOT-BC77191  Pellaea mucronata subsp. mucronata C. B. Wolf 1931-5-11 1958 Riverside San Jacinto Mts. - rocky places near Pipe Creek above Hemet Valley 1676 Comment
  JEPS44371  Pellaea mucronata var. californica Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4251 Riverside just below Toro Peak (s of the saddle, e of the peak); Santa Rosa Mts 2499 Comment
  UCR76180  Pennisetum setaceum Scott Holbrook 1993-4-28 s.n. Riverside San Jacinto Mtns., Chino Canyon 610 Comment
  SEINET10822135  Pennisetum setaceum Robert F. Thorne 1995-3-29 Thorne 63028 Riverside Transverse Ranges; San Bernadino Mountains region; White Water Canyon. 600 Comment
  RSA583481  Penstemon X parishii Steve D. Boyd 1995-5-13 8513 Riverside along the Main Divide Rd., west of Morrell Potrero, 4 mi. southeast of Highway 74. Comment
  JEPS11253  Penstemon centranthifolius C. V. Meyer June 1927 272 Riverside Saunder's Meadow San Jacinto Mts., Saunder's Meadow Comment
  RSA1329  Penstemon centranthifolius B. D. Stark 1930-5-4 1536 Riverside Dark Canyon. Comment
  RSA97017  Penstemon centranthifolius R. M. Straw 1953-6-4 435 Riverside Head of Palm Canyon, Palms to Pines Hwy. Comment
  UCR110969  Penstemon clevelandii George K. Helmkamp 1998-6-27 4105 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  POM122817  Penstemon labrosus Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
  RSA33812  Penstemon spectabilis N. C. Cooper 1944-6-4 1322 Riverside Elsinore Mountain. Lookout at top. 1067 Comment
  RSA401812  Penstemon spectabilis Christopher Davidson 1975-6-16 2805 Riverside Ca. 4 mi. S of Banning on roas R1 to Idyllwild. 1128 Comment
  NY661185  Penstemon spectabilis var. spectabilis H. K. Sharsmith 1954-7-7 4445 Riverside On highway between Banning and Idlewild, near Fuller Creek, San Bernardino National Forest. 1828.8 Comment
  RSA687392  Pentagramma triangularis May N. Ackley 1928-4-1 85 Riverside Snow Creek, Desert side, Mt. San Jacino 518 Comment
  UCR270182  Pentagramma triangularis A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42394 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
  RSA0060228  Pentagramma triangularis R. F. Thorne, W. A. Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54070 Riverside San Bernardino Mts: Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  RSA0070718  Pentagramma triangularis subsp. triangularis Steve Boyd, Aydee Virgen 2004-4-13 10893 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UC63690  Perideridia parishii subsp. latifolia H. M. Hall 1897-8-16 851 Riverside San Jacinto Mt.; bogs and meadows 2499 Comment
  SBBG2632  Peritoma arborea H. and M. Dearing 1939-11-12 4039 Riverside near Morongo Cyn Comment
  PASA1570  Perityle emoryi 1926-2-21 Riverside Thousand Palms Comment
  RSA471858  Perityle emoryi M. B. Dunkle 1933-3-4 3056 Riverside Painted Canyon, Colorado Desert. 30 Comment
  RSA795745  Perityle emoryi J. Andre 2012-3-19 21309 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
  SEINET5763216 Image available Perityle emoryi M. B. Dunkle 1933-3-4 3056 Riverside Painted Canyon, Colorado Desert Comment
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May 6 2015
  UCR244877  Perityle emoryi Jim Andre 2012-3-19 21385 Riverside Sonoran (Colorado) Desert, Palen Mountains, along Palen Pass Rd at Palen Pass 383 Comment
  RSA0030872  Perityle emoryi H. M. Hall 1902-1 2793 Riverside Western borders of the Colorado Desert. Coyote Canyon. 152 Comment
  JOTR29384  Petalonyx linearis La Doux, Tasha, Mike Bell 2006-5-10 1461 Riverside Joshua Tree National Park. East Deception Canyon Comment
  OBI12448  Petalonyx thurberi Robert F. Hoover 1966-10-15 10155 Riverside Dead Indian Creek wash, S of Palm Desert Comment
  CAS-BOT-BC326769  Peucephyllum schottii Robert F. Thorne 1963-3-29 32441 Riverside South side of Eagle Mountains near pumping station of Metropolitan Water District about 12 miles west of Desert Center Comment
  RSA471971  Peucephyllum schottii Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  RSA676281  Peucephyllum schottii Scott D. White 2001-4-3 8241 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  RSA727082  Peucephyllum schottii Naomi Fraga, Lisa Rojas 2005-2-10 1375 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCR147005  Peucephyllum schottii Scott D. White 1999-4-21 7246 Riverside Sonoran (Colorado) Desert, East end of Coachella Valley: Bajada between Little San Bernandino Mts. and Indio Hills 213 Comment
  UCR166545  Peucephyllum schottii Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10889 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  SEINET10842470  Peucephyllum schottii David B. Dunn 1946-3-15 Dunn 2022 Riverside Collected on dry plateau in vicinity of Pushawalla Canyon, Indio Hills. Comment
  RSA783086  Phacelia J. D. Olmsted 1959-6-23 651 Riverside M. fk. San Jacinto River. Desert Sun School near Idyllwild. 1646 Comment
  UC672729  Phacelia brachyloba Harlan Lewis 1942-6-17 1710 Riverside approx. 2 mi w Pinon Flats Comment
  UCR160706  Phacelia brachyloba Ian G. Gillespie, Summer Karsh 2000-5-13 43 Riverside San Jacinto Mtns., Twin Pines Ranch Road off of Hwy 243, below McMullen Flat 1250 Comment
  VVC262  Phacelia brachyloba A. C. Sanders 1997-5-4 20648 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
  RSA428152  Phacelia campanularia Martha Hilend 1928-3-9 62 Riverside Near White Water Bridge. Colorado Desert. Comment
  UC1426005  Phacelia campanularia Robert F. Thorne and R. Carolin 1967-3-21 41652 Riverside 11.6 mi s Twentynine Palms; Joshua Tree National Monument, Split Rock 1280 Comment
  UCR162839  Phacelia cicutaria var. hispida S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCR180136  Phacelia cicutaria var. hispida Mitch Provance 2003-4-26 9886 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
  RSA776690  Phacelia crenulata Duncan S. Bell, Amanda Turek 2010-4-10 793 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  SBBG35132  Phacelia crenulata T. L. Secrest 1948-4-7 Riverside near Desert Hot Springs 213 Comment
  UC672403  Phacelia crenulata var. ambigua Margaret Stason 1927-2-12 Riverside 1000-Palm Canyon Colorado Desert Comment
  UC666575  Phacelia cryptantha Harlan Lewis 1942-5-3 1604 Riverside burn 1 mi w Pinyon Flats (Calif. Hiway 74) Comment
  UCSC001207  Phacelia cryptantha Peter Kamb 1948-4-11 1116 Riverside Aqueduct Road 5 mi east of Garnet Garnet - Aqueduct Road, Coachella Valley 305 Comment
  CHSC109015  Phacelia distans Orlando Mistretta; D. Bell, J. Beckman, J. England, K. Kane, et al. 2010-4-12 4408 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm) in the vicinity of Bonnie Bell; between N33.94127, W116.64118 and N33.94722, W116.64305. 488 Comment
  JEPS2381  Phacelia distans Dr. L. M. Newlon 1922-4-3 425 Riverside 6 mi w Indian Wells; Colorado Desert, Coachella Valley Comment
  RSA27410  Phacelia distans C. L. Hitchcock 1940-3-29 5858 Riverside Cottonwood Canyon, ca. 100 yards east of Spring. Comment
  RSA483607  Phacelia distans D. Charlton 1988-5-21 1940 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on Hwy 74 1677 Comment
  SD72092  Phacelia distans John Thomas Howell 1930-5-10 4791 Riverside St. John's Grade Comment
  SD73618  Phacelia distans Helen V. Witham 1970-5-1 850 Riverside Bautista Canyon, southeasst of Hemet. 800 Comment
  UCR162408  Phacelia distans S. J. Myers, Chet McGaugh 2003-4-7 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1098 Comment
  UCR241637  Phacelia distans T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 349 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  VVC267  Phacelia distans A. C. Sanders 1997-5-4 20641 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
  JEPS2059  Phacelia fremontii Marjorie D. Clary 1932-4-29 861 Riverside Dead Indian Trail 15 mi w Indio; Colorado Desert, Conchilla Desert 304 Comment
  RSA567471  Phacelia imbricata subsp. imbricata Scott D. White 1993-5-29 1463 Riverside San Bernardino Mountains: Banning Canyon and Big Oaks Canyon along the road to Raywood Flat, Yucaipa Ridge. 1372 Comment
  RSA588176  Phacelia imbricata subsp. patula D. L. Banks, V. W. Steinmann 1995-7-10 742 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak. 561 Comment
  POM229428  Phacelia lemmonii P. A. Munz 1937-5-29 15101 Riverside Edge of Pinyon Flat, Santa Rosa Mts. 1220 Comment
  JEPS86532  Phacelia minor Roy E. Buck 1988-4-1 869 Riverside e-facing slope above CA Hwy. 74 (near top of grade w of Lake Elsinore, ca 2.0 air km nw of confluence of Harlan Cyn and Johnson Cyn drainages, 7 air km w of Lake Elsinore); Elsinore Mountains 780 Comment
  SD143842  Phacelia minor A. C. Sanders 1997-3-1 19704 Riverside Box Springs Mountains: Coyote Hill (Bench Mark Versity, 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  UCR121086  Phacelia minor A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24961 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UCR176913  Phacelia minor Tracy Tennant 1998-6-18 s.n. Riverside San Jacinto Mtns., Bee Canyon, NE of Valle Vista 793 Comment
  UCR177025  Phacelia minor Tracy Tennant 1998-6-5 1030 Riverside Peninsular Range, east side of Roundtop Mtn. and along Sage Road 732 Comment
  UCR241496  Phacelia minor Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 217 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  UCR4143  Phacelia minor Ronald M. Cope 1965-3-28 s.n. Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, small canyon on west side of Canyon Crest Drive, about 2 mi south of Fire Prevention Lab 274 Comment
  RSA0064523  Phacelia minor Gail Thompson 1970-3-16 B 28 Riverside 1 mi. south of Temecula on dirt road off Main Street. 457 Comment
  RSA166307  Phacelia minutiflora J. R. Haller 1960-4-2 1545 Riverside South side of US 60-70, 5.8 miles E of Desert Center. 244 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
  SEINET4080506  Phacelia ramosissima var. latifolia C. Davidson 1975-1 2820 Riverside Roughly two miles south of Banning on road R1 to Idyllwild; roughly 20 feet from road. 822 Comment
  UCSB5434  Phacelia tanacetifolia Krogen, Roger 1957-1 Riverside 4 mi. S of junction of Hwy. 60-70 at N edge of Orocopia Mts. Comment
  RSA0034096  Phalaris minor Duncan S. Bell 2013-1-30 4454 Riverside The Mecca Hills; collecting beside the Coachella Canal and the powerlines at the base of the mountains in narrow desiccating depressions where winter rains had collected. 23 Comment
  JOTR32532C  Phoenix dactylifera La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2540 Riverside Joshua Tree National Park. southwest Eagle Mountains; steep rocky drainage approx. 1.5mi east of Cottonwood Canyon and 1.5mi north of park boundary 815 Comment
  RSA459263  Pholistoma auritum E. Crow 1929-4-7 298 Riverside Corona Skyline Drive, Santa Ana Mountains. Comment
  UCR37464  Pholistoma auritum Steve Boyd 1981-4-8 s.n. Riverside Peninsular Range, Dawson Canyon, Gavilan Hills Comment
  RSA784340  Pholistoma membranaceum J. D. Olmsted 1958-3-29 73 Riverside 3 miles N of Cottonwood Springs, which is 8 miles N of the southern entrance of Joshua Tree National Monument with interior drainage to Pinto Basin and just off Cottonwood Pass Road. 991 Comment
  RSA132729  Phoradendron californicum Del Wiens 1953-12-5 870 Riverside Near junction of road from south end of Joshua Tree Nat. Mon. and U.S. 60 and 70. 152 Comment
  RSA189406  Phoradendron californicum L. S. Rose 1966-12-11 s.n. Riverside Palm Springs. 152 Comment
  UC61548  Phoradendron californicum Miss Mary McKibben Riverside Mecca -60 Comment
  RSA0036080  Phoradendron californicum F. R. Fosberg 1932-3-13 8089 Riverside Thousand Palms Can., Coachella Valley Comment
  CAS-BOT-BC135177  Phoradendron juniperinum Louis C. Wheeler 1931-10-3 243 Riverside 1 1/2 mi NW Tahquitz Peak, San Jacinto Mts. 1920 Comment
  UCSB18279  Phoradendron leucarpum subsp. tomentosum Copeland, Jerry 1964-5-9 Riverside Alandale Pines, 19 miles south of Banning, 100 yards off road to Idyllwild Comment
  UCR111509  Phoradendron villosum A. C. Sanders, Steve Boyd, Mitch Provance, J. Ross 1998-10-25 22285 Riverside San Jacinto Mtns., Pine Meadow along Hwy 74 in Garner Valley (eastern), 1 mi. NW of Hwy 371 junction to Anza 1441 Comment
  SD119900  Physalis acutifolia Kenneth Chapman 1971-8-22 424 Riverside San Jacinto Valley - west side - growing along edges of cultivated fields 472 Comment
  POM14177  Physalis crassifolia Philip A. Munz 1922-4-13 4941 Riverside Eagle Mountains. 244 Comment
  UCD126795  Physalis crassifolia J. Warren 1952-4-24 s.n. Riverside Dead Indian Canon. 457 Comment
  UCD126806  Physalis crassifolia L. S. Rose 1936-1-1 s.n. Riverside 19 miles north of Indio, Aqueduct Road. 609 Comment
  CAS-BOT-BC60795  Physaria tenella Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs. Comment
  CDA7185  Phytolacca americana A. C. Sanders, T. B. Salvato, Helen Kennedy, A. Salzman 2006-11-9 33220 Riverside San Bernardino Valley; Riverside, UCR Botanical Garden, subtropical fruit orchard on the north side of the garden. Comment
  SEINET3871933  Pinus cembroides var. parryana Victor Duran 1933-7-2 3495 Riverside Near Santa Rosa, Santa Rosa Mountains.; 0 1676 Comment
  JEPS47909  Pinus flexilis W. L. Jepson and H. M. Hall 1901-5-25 1452 Riverside very top Santa Rosa Peak Comment
  RSA78326  Pinus jeffreyi Philip A. Munz, E. K. Balls 1952-8-21 17979 Riverside Santa Rosa Spring, Santa Rosa Mts. 2134 Comment
  UC2013410  Pinus lambertiana Rudolf Schmid and Mena J. Schmid 2009-5-1 2009 -3 Riverside NW San Jacinto Mountains NE of Highway 243 ca. 16 highway km NW of Idyllwild, in the S unit of the San Bernardino National Forest, on SW flank of Black Mountain (summit). Righ of Black Mountain Trail on slope covered with Pteridium aquilinum and near drainage (Indian Creek), uppermost Hall Canyon Comment
  UC813272  Pinus monophylla Lewis S. Rose 1936-12-24 36814 Riverside 26 mi sw Indio (Palms to Pines Highway); San Jacinto Mts. 1219 Comment
  UCSB95  Pinus monophylla Philbrick, Ralph 1953-6-10 Riverside Joshua Tree National Monument Comment
  JEPS48191  Pinus ponderosa W. L. Jepson 2289 Riverside Strawberry Valley San Jacinto Mts., Strawberry Valley 1676 Comment
  JEPS46788  Pinus quadrifolia W. L. Jepson and Hall 1901-1 Riverside Base of El Toro Comment
  UCSB41941  Pinus quadrifolia Ericson, Trudy 1974-11-9 Riverside St. 74 toward Palm Desert; about 4 1/2 mi. east of intersection with St. 71 1432 Comment
  RSA701503  Piperia transversa Naomi Fraga, Sarah J. De Groot 2004-7-8 1300 Riverside On Chimney Flats Road (5S06) near intersection of 5S04 (the road to Alvin Meadows). 1524 Comment
  RSA770725  Pistia stratiotes Dave Goodward 2010-10-6 s.n. Riverside Thermal, 89635 Ave. 81, west of Hwy 86 and Harrison St. -35 Comment
  UCR263233  Plagiobothrys arizonicus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41457 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 2.95 miles ESE of Cabazon, c. 0.84 mi. NNW (335 deg. ) of One Horse Spring, south of I-10 and SE of water bottling plant, edge of wind farm 452 Comment
  UCR91856  Plagiobothrys arizonicus A. C. Sanders, S. Hawkins 1996-4-24 18080 Riverside San Bernardino Mtns, Morongo Indian Reservation, SE edge of Burro Flats in vicinity of natural pond & bog 1159 Comment
  CLARK-A1045-185  Plagiobothrys bracteatus George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains vernal pool; Wildomar 7.5'Q Comment
  UCR171979  Plagiobothrys canescens John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula; Long Canyon, Southern California Edison right of way, intersection of Southern Cross Road and Agena Street W to Candida Drive 366 Comment
  UCR225510  Plagiobothrys canescens A. C. Sanders 2011-3-29 38861 Riverside Peninsular Range; Perris-Aguanga Basin Region, hills between Sun City and Perris, low hilltop along powerline corridor c. 1/2 mile west of Goetz Rd., west of Alabaster Loop, above the San Jacinto River upstream of Railroad Canyon Lake 451 Comment
  UCR58498  Plagiobothrys collinus Jeri Hirshberg 1989-5-2 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., Santa Rosa Plateau, south of town of Murrieta, SW of Mesa de Burro 610 Comment
  UCR234332  Plagiobothrys collinus var. californicus A. C. Sanders, John F. Green 2012-4-6 40004 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
  RSA695816  Plagiobothrys collinus var. ursinus J. R. Bruff 1934-6-19 5506 Riverside San Jacinto Mountains Comment
  HSC78736  Plagiobothrys fulvus A. C. Sanders, T. Glenn 1983-4-17 3736 Riverside Mesa de Colorado, Santa Ana Mtns., 5 mi. SW of Murrieta 612 Comment
  CLARK-A1528-2261  Plagiobothrys leptocladus John C. Roos 1966-3-24 Riverside Edgemont Comment
  POM213630  Plagiobothrys leptocladus P. A. Munz 1941-5-18 16650 Riverside About 15 miles northeast of Temecula. Comment
  UCR77579  Plagiobothrys leptocladus Steve Boyd, D. E. Bramlet 1991-5-13 6228 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
  POM368893  Plagiobothrys nothofulvus Ora M. Clark 1929-3-2 1634 Riverside Near Elsinore. Comment
  UCR171975  Plagiobothrys nothofulvus John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula, Long Canyon, Southern California Edison right of way between residential areas, south of Rancho California Road and east of Margarita Road 366 Comment
  JEPS68148  Plagiobothrys tenellus W. L. Jepson 1935-4-17 19147 Riverside 1.5 mi n Elsinore 457 Comment
  RSA601785  Plantago bigelovii subsp. californica D. Bramlet 1997-3-13 2491 Riverside Nichols road Wetlands, the site is located 335m SE of Nichols road, 91m W of Collier Ave, 305 m W of the I 15. The locality is W of Existing dirt road extending S from Nichols Road and adjacent to Alberhill Creek. Comment
  UCR140328  Plantago elongata A. C. Sanders, Guy Bruyea 2004-4-2 27418 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, just north of Rose Rd. 463 Comment
  UCR182523  Plantago elongata Mitch Provance 2005-5-17 6576 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
  UCR158253  Plantago erecta A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30103 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  UCR231759  Plantago erecta John F. Green 2008-4-23 09- 11 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
  RSA650895  Plantago major Robert Lindgren 1948-2-10 s.n. Riverside Covina. 183 Comment
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Feb 17 2013
  JOTR31890  Plantago ovata La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2140 Riverside Joshua Tree National Park. West Cottonwood Mountains; southeast edge of Pinkham Wash, east of Pinkham Canyon Road; rocky flats between small drainages in mouth of Pinkham Wash Comment
  RSA727869  Plantago ovata Naomi Fraga, Lisa Rojas 2005-2-10 1353 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  RSA678228  Plantago ovata var. fastigiata Valerie L. Soza, J. Mark Porter, G. D. Wallace 2001-4-2 1097 Riverside Mouth of West Wide Canyon, NNW of junction of Dillon Road and Ford Avenue. 396 Comment
  SD185279  Plantago patagonica A. C. Sanders, J. C. Dice, et al. 1995-3-29 16240 Riverside San Jacinto Mountains; San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Highway 111 and Snow Creek Village. 334 Comment
  UCR121235  Plantago patagonica Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2308 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  RSA125985  Platanus racemosa E. K. Balls, Percy C. Everett 1957-11-4 22742 Riverside Snow Creek near old Fish Hatchery, north base San Jacinto Mountains. 701 Comment
  SEINET10763688  Platanus racemosa R. Allen, Fred M. Roberts 2007-6-22 Allen s.n. Riverside SE of Hemet, Bautista Cyn, ca. 4 road mi SE of jct Bautista Cyn Rd & Fairview Ave. UTM Zone 11S; 3726312mN; 05152050E. 727 Comment
  CAS-BOT-BC91875  Platystemon californicus H. L. Mason 1926-4-30 3134 Riverside Two miles south of Temecula. Comment
  JEPS51570  Platystemon californicus Marjorie D. Clary 1932-5-13 1629 Riverside Lost Horse Canyon extreme n boundary of Colorado Desert, Lost Horse Canyon (extreme northern boundary of Colorado Desert) Comment
  RSA775810  Platystemon californicus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 890 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 915 Comment
  UCR35346  Platystemon californicus L. B. Ziegler 1967-4-25 119 Riverside Perris-Aguanga Basin, Pauba Ranch [SE of Temecula in Pauba Valley, off Hwy 79] 381 Comment
  UCR4612  Plectritis ciliosa subsp. insignis Frank C. Vasek 1960-4-12 600412- 04 Riverside Peninsular Range, County road S16 (Pala Rd.) between Temecula and Pala, 0.5 mi north of the San Diego Co. line Comment
  RSA577756  Pleuraphis rigida F. M. Reed 1920-3-24 4286 Riverside Morongo Pass near Whitewash station 274 Comment
  RSA704245  Pleuraphis rigida Gary D. Wallace 1982-5-15 1994 Riverside Palms to Pines Highway, 7 level hill. Comment
  UC1861750  Pleuraphis rigida G. D. Wallace 1982-5-15 1994 Riverside Palms to Pines Highway, 7 level hill. Comment
  CAS-BOT-BC326636  Pleurocoronis pluriseta D. A. Johansen; J. A. Ewan 1932-4-12 7107 Riverside Devils Canyon above Coachella Valley, Colorado Desert Comment
  CHSC108500  Pleurocoronis pluriseta Sarah J. De Groot; Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4607 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. 402 Comment
  UC1929845  Pleurocoronis pluriseta Scott D. White 2001-4-17 8334 Riverside SONORAN DESERT: Shavers Valley. North of the I-10 Freeway, ca. 16 miles east of Indio jtn. I-10 / SR 111. Bajadas, washes, and mtn. foothils near powerline access roads at unnamed freeway exit accessing pump station. Comment
  LA12571  Poa nevadensis F. M. Reed; 1905-4-2 694 Riverside Box Springs Mountains 548 Comment
  RSA740611  Poa pratensis Scott D. White, Justin M. Wood 2008-6-19 12260 Riverside Meadows at Baldy Mtn. 1585 Comment
  RSA741223  Poa pratensis Scott D. White, Justin M. Wood 2008-5-15 12011 Riverside Johnson Meadow. 1415 Comment
  UCR201667  Poa pratensis Scott D. White, Justin M. Wood 2008-6-19 12268 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  UCR201678  Poa pratensis Scott D. White, Justin M. Wood 2008-6-19 12266 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  RSA522746  Poa secunda Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3855 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
  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
  UCR126381  Poa secunda A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 690 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  CAS-BOT-BC242997  Poa secunda subsp. secunda Frank W. Gould 1943-4-18 2153 Riverside 1 mile W of Banning, in foothills of San Jacinto Mountains Comment
  UC149806  Poa secunda subsp. secunda H. M. Hall 1902-4-26 2973 Riverside vicinity of Riverside (Box Springs Mt) 685 Comment
  UC39552  Poa secunda subsp. secunda H. M. Hall June 1901 2257 Riverside Fuller's Hills Mts San Jacinto Mts, Fuller's Hills Mts 1645 Comment
  RSA585646  Polycarpon depressum D. L. Banks, Steve Boyd 1995-3-15 0082 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. 732 Comment
  POM159502  Polygala acanthoclada E. C. Jaeger 1927-11-26 s.n. Riverside Eagle Mountains: 1 mile N of Cottonwood Spring Comment
  JOTR35172  Polygonum aviculare subsp. depressum Harding, Mitzi, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-9-14 160 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam 1301 Comment
  UC489188  Polygonum douglasii subsp. douglasii C. V. Meyer 1928-7-27 558 Riverside Round Valley San Jacinto Mts. 2773 Comment
  RSA602394  Polygonum ramosissimum Louis C. Wheeler 1955-6-10 7152 Riverside 3.5 miles NNE of Palo Verde: Ave 32 and Rannells Blvd. Comment
  SEINET10602403  Polypogon interruptus Steve Boyd, Timothy S. Ross 1990-5-11 Boyd 4661 Riverside Vail Lake area, Arroyo Seco drainage, cyn bottom at N base of Wild Horse Peak, SE of Dripping Springs camp-ground of Cleveland Nat. Forest. T8S, R1W, N1/2 sec. 26 1900-2000' elev. Riparian woodland, pools along stream supporting Typha, Carex, etc. Benches, slopes burned. Coarse grass, local in pool along stream. 609 Comment
  UCR156101  Polypogon monspeliensis T. B. Salvato, Kent Beaman 2005-5-16 846 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
  UCR234429  Polypogon monspeliensis Jeremiah George 2012-3-4 s.n. Riverside Peninsular Range; Elsinore Trough, Lake Elsinore area, south of Nichols Rd. and east of Baker St. 387 Comment
  SEINET273137  Poncirus trifoliata O. F. Clarke 1997-3-6 s.n. Riverside Riverside: O.F. Clarke's yard at 1012 Spruce St. 305 Comment
  CLARK-A1528-835  Populus fremontii Ken F. Clarke 1971-9-7 Riverside Riverside Comment
  UCR58853  Populus fremontii Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3219 Riverside Peninsular Range, Vail Lake area at N end of Kolb Creek, near campground 457 Comment
  CAS-BOT-BC356166  Porophyllum gracile Carl B. Wolf 1932-4-29 3093 Riverside Eastern Colorado Desert. W. edge of Maria Mts. 17 mi. from Blythe on Rice Road 152 Comment
  RSA585499  Porophyllum gracile D. L. Banks, S. D. Boyd 1995-5-9 0361 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
  SD233355  Potentilla glandulosa subsp. glandulosa R. F. Thorne, E. W. Lathrop 1977-5-18 49765 Riverside Santa Ana Mountains: Camp Potrero [near junction of Tenaja Truck Trail and Ortega Highway (74)]. Comment
  RSA774312  Prenanthella exigua Duncan S. Bell, The Desert Survivors Organization 2011-4-8 2188 Riverside Northwest section of the Granite Mountains; approximately 1 air mile southeast of junction of Highway 62 and Highway 177. 470 Comment
  UCR101417  Prosopis glandulosa A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22223 Riverside San Bernardino Mtns., Morongo Indian Reservation, Lion Canyon 671 Comment
  CAS-BOT-BC206989  Prosopis glandulosa var. torreyana Dr. Barton W. Evermann 1916-5-14 s.n. Riverside Mecca Comment
  RSA699635  Prosopis juliflora var. glandulosa Keith E. Hoffmaster 1933-4-14 s.n. Riverside Tahquitz Canyon Comment
  UC65756  Prosopis pubescens E. E. Schellenger 1904-10-18 56 Riverside Dos Palmas; Colorado Desert Comment
  JOTR34326  Prunus fasciculata var. fasciculata Andre, Jim 2012-4-11 20830 Riverside Joshua Tree National Park. Western margin of Eagle Mountains; 0.6mi south of Cottonwood Visitor Ctr. along Rte 11 912 Comment
  POM9357  Prunus fremontii Mary F. Spencer 1918-4-1 759 Riverside Andreas Valley near Palm Springs, Colorado Desert. 152 Comment
  RSA714376  Prunus virginiana var. demissa T. B. Salvato, John Green 2004-5-27 606 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
  UCR169396  Prunus virginiana var. demissa T. B. Salvato, John F. Green 2004-5-27 606 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
  UCR35159  Prunus virginiana var. demissa L. B. Ziegler 1972-5-5 451 Riverside San Jacinto Mtns., Hemet (Garner) Valley area in Apple Canyon (east of the Hemet Lake.) 1448 Comment
  HSC78515  Psathyrotes ramosissima G. K. Helmkamp 1983-3-24 3837 Riverside Chuckwalla Valley, at junction of the Graham Pass & Chuckwalla Springs Rd. 229 Comment
  RSA15495  Psathyrotes ramosissima L. S. Rose 1935-12-23 35686 Riverside 7 miles south of Cathedral City 152 Comment
  UC963832  Psathyrotes ramosissima Helen K. Sharsmith 1952-4-11 4063 Riverside 7 mi s Highway 60-70 (nw base of Chuckawalla Mountain); Colorado Desert, Chuckawalla Mountains 533 Comment
  UCR91458  Pseudognaphalium biolettii Scott D. White 1995-3-30 2678 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  UCSC000827  Pseudognaphalium biolettii G. R. Hall 1901-3-31 s.n. Riverside near Riverside Riverside Comment
  CAS-BOT-BC376153  Pseudognaphalium californicum L. Nye; G. Gust 2005-3-11 62 Riverside Lake Elsinore. Intersection of Malaga and Mission Trail Rd. 398 Comment
  SDSU13559  Pseudognaphalium microcephalum W. Miller with C. Mosse 1972-8-9 Riverside Bank of road leading to top of plateau above river, north of. 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
  RSA0116456  Pseudognaphalium stramineum R. G. Swinney 2011-6-9 17194 Riverside Santa Ana River Valley: Jurupa Valley, Pedley area, Horseshoe Lake, west of Van Buren Blvd., west of the corner and Studio Pl. and Lakeview Ave. 219 Comment
  RSA58830  Pseudotsuga macrocarpa R. Weatherby 1950-2-2 s.n. Riverside Canyon, southeast of Sierra Peak, Santa Ana Mts. Comment
  SD68944  Psilocarphus brevissimus var. brevissimus Robert F. Thorne, E. Lathrop and O. Clark, and S. Carlquist 1968-4-18 37436 Riverside Mesa de Colorado, Rancho Californioa, Santa Rosa Plateau. 669 Comment
  JOTR33858  Psilostrophe cooperi La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2711 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  CLARK-A1528-5672  Psoralea physodes John C. Roos 1960-5-30 Riverside Santa Ana Mountains 1219 Comment
  CAS-BOT-BC346363  Psorothamnus Marcus E. A M Jones 1903-5-8 s.n. Riverside Indio -7 Comment
  RSA788989  Psorothamnus arborescens Aaron C. Sedgwick, David Fraker 2012-3-28 15 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  UCR269106  Psorothamnus arborescens var. simplicifolius Orlando Mistretta, Duncan S. Bell, et al. 2010-4-12 4761 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 600 Comment
  RSA403987  Psorothamnus emoryi Christopher Davidson 1979-4-29 7819 Riverside West of Indio, 3 miles E of Date Palm Drive. 15 Comment
  UCR136897  Psorothamnus emoryi Michael D. Wilcox 2003-6-26 s.n. Riverside Sonoran (Colorado) Desert, Thousand Palms Oasis 152 Comment
  UCSB3043  Psorothamnus emoryi Mooney, Harold 1956-4-14 Riverside Turn off to Desert Hot Springs on Highways U.S. 60, 70, 99 Comment
  CAS-BOT-BC340915  Psorothamnus schottii C. L. Hitchcock 1940-3-29 5849 Riverside Ca. 12 mi. east of Indio Comment
  JEPS41650  Psorothamnus schottii H. M. Hall Apr. 1905 5781 Riverside Coachella , Coachella (Colorado Desert) 152 Comment
  CAS-BOT-BC340947  Psorothamnus spinosus G. P. Rixford 1911-4-1 s.n. Riverside 10 miles S.E. of Mecca Comment
  JEPS41683  Psorothamnus spinosus S. B. Parish 1912-6-28 8167 Riverside Red Canyon near Mecca; Red Canyon near Mecca Comment
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Nov 24 2011
  RSA262103  Pterostegia drymarioides E. W. Lathrop 1969-5-8 7012 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  UCR258871  Pterostegia drymarioides T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7906 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon 555 Comment
  UCR47202  Pterostegia drymarioides B. G. Pitzer, L. F. LaPre 1987-3-2 0424 Riverside Peninsular Range, Bundy Canyon, c. 2 miles SE of Lake Elsinore, 0.5 mile north of Bundy Canyon Road off Raciti Rd. 703 Comment
  RSA0106805  Quercus Jeremiah George 2012-8-7 70812 -1 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
  SD122174  Quercus agrifolia James C. Dice, Ruth Miller 1987-11-23 753 Riverside Near northeast edge of Reserve, at north edge of Eucalyptus planting. 365 Comment
  UC5484  Quercus agrifolia Samuel B. Parish 1891-11-3 2253 Riverside Murietta Comment
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Jul 15 2009
  RSA608245  Quercus agrifolia var. agrifolia Louis C. Wheeler 1960-8-6 7779 Riverside Temescal Canyon: ca. 1 mile E of Glenn Ivy, Wright Ranch. Comment
  UCR260521  Quercus agrifolia var. agrifolia T. B. Salvato 2014-5-29 8050 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully, c. 1.13 mi west of Murrieta Rd and 4.10 mi southeast of Canyon Lake 537 Comment
  RSA0026265  Quercus berberidifolia Fred M. Roberts 2013-6-7 7783 Riverside Peninsular Ranges: Santa Ana Mtns.: Tributary to Upper San Juan Canyon along Chiquito Basin Trail, 1.3 kilometers NNW Upper San Juan Campground. 524 Comment
  RSA192166  Quercus berberidifolia E. W. Lathrop 1959-4-16 4457 Riverside 14 miles W of Murrieta, Tenaja plateau. Comment
  RSA475286  Quercus berberidifolia Steve Boyd 1987-11-23 2097 Riverside Mt. Russell, N of Lake Perris, Moreno Valley. 762 Comment
  RSA479914  Quercus berberidifolia Steve Boyd 1987-11-23 2098 Riverside Mt. Russell, N of Lake Perris, Moreno Valley. 762 Comment
  UC64103  Quercus berberidifolia H. M. Hall 1901-8-6 2644 Riverside Canyon of the San Jacinto River San Jacinto Mountains 1066 Comment
  UCD73488  Quercus berberidifolia A. C. Sanders; T. Tennant 1997-11-14 21602 Riverside San Bernardino Mtns.: Morongo Indian Reservation, sag pond at SE end of Burro Flats. 1110 Comment
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Aug 12 2015
  UCR250405  Quercus berberidifolia Jeremiah George 2012-8-7 70812- 2 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
  UCR264647  Quercus berberidifolia Mitch Provance, Jeremiah George 2012-8-4 812- 36 Riverside Western Riverside County, Badlands south of Beaumont, Potrero Creek, E side of Highland Springs Ave., between Breckenridge and the entrance to Potrero 752 Comment
  UCR51924  Quercus berberidifolia Steve Boyd 1987-11-23 2097 Riverside Perris-Aguanga basin region, Mt. Russell, north of Lake Perris, Moreno Valley. 762 Comment
  CAS-BOT-BC62437  Quercus chrysolepis Winifern W. Swarth 1914-9-27 s.n. Riverside Strawberry Valley, San Jacinto Mts. 1828 Comment
  UC5523  Quercus chrysolepis H. M. Hall 1901-6 Riverside near Tauquitz; San Jacinto Mountains 2133 Comment
  SD229173  Quercus cornelius-mulleri Dick Schwenkmeyer, Bethany Jenkins 2012-3-7 643 Riverside Mt. San Jacinto: Pinyon Flats, approx. 1I(c) miles north of Highway 74 intersection with Palm Canyon Road, broad flat area. 1303 Comment
  UC63840  Quercus cornelius-mulleri H. M. Hall May 1901 1917 Riverside e of Kenworthy (e base of San Jacinto Mountains, along borders of the Colorado Desert); Colorado Desert, San Jacinto Mountains Comment
  UCSB1108  Quercus cornelius-mulleri Haller, John 1960-5-15 Riverside At Vandeventer Flat, 3.3 mi. E of the junc. of the road to Anza on Calif. 74 1371 Comment
  RSA763064  Quercus dumosa E. W. Lathrop 1969-6-5 7092 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  UCR189796  Quercus engelmannii Angela Hyder 2006-10-2 79 Riverside Peninsular Range, Lake Skinner, Lake Skinner reserve. 1 mi east of Rawson Canyon. 1 mi north of Black Mountain 660 Comment
  SEINET2066665 Image available Quercus john-tuckeri Ward B. Holt 1941-10-21 10 -1941 Riverside Near Split Rock, Joshua Tree N.M. Comment
  UC5512  Quercus palmeri H. M. Hall Jun 1901 2158 Riverside near VanDeventer's (se side); San Jacinto Mountains 1524 Comment
  RSA33879  Quercus turbinella N. C. Cooper 1944-5-20 1307 Riverside Palms to Pines Hwy., San Jacinto Mtns. 1220 Comment
  UCD47637  Quercus wislizeni Louis B. Ziegler 1969-10-24 s.n. Riverside Near Kernworthy Ranger Station, Hemet Valley, San Jacinto Mts. 1417 Comment
  SEINET4079341  Quercus wislizeni var. frutescens C. Davidson 1975-1 2815 Riverside 3.8 miles north of Alandale Station on road R1 from Idyllwild to Banning. 1699 Comment
  CAS-BOT-BC362518  Rafinesquia californica Ivan Johnston 1917-4-4 1075 Riverside Colorado Desert. Palm Canyon 304 Comment
  JOTR30639  Rafinesquia californica La Doux, Tasha, Erin Babich 2008-4-21 1801 Riverside Joshua Tree National Park. Stop 3-Little San Bernardino Mountains, S of Covington Flat 1290 Comment
  UCD135331  Rafinesquia californica E. W. Lanthrop 1966-5-8 6405 Riverside Santa Ana Mountains. 3 miles southwest of Corona. Hagador Canyon, Cleveland National Forest, Trabuco District. 274 Comment
Read comments
Aug 26 2014
  UCR152520  Rafinesquia californica A. C. Sanders 2005-4-22 29592 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  RSA0118610  Rafinesquia neomexicana Jim M. Andre 2015-3-6 33568 Riverside Coachella Valley: far NW corner of valley, 0.5 mi west of Hwy 62 (at mouth of Dry Morongo Wash), 0.3 mi. north of Kolbe Rd (dirt). 560 Comment
  UCD135362  Rafinesquia neomexicana William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  UCR104018  Rafinesquia neomexicana George K. Helmkamp 1998-4-4 3141 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  UCR116619  Rafinesquia neomexicana A. C. Sanders 2001-4-8 23975 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic Ave., north of flood control ditch 348 Comment
  UCSB9752  Rafinesquia neomexicana Haller, John 1957-3-23 Riverside Morongo Wash, ca. 4.5 road miles N. of U.S. 99, & 3 air miles S of Riverside-San Bernardino Co. line 609 Comment
  POM297  Ranunculus alismifolius var. alismellus I. M. Johnston 1916-8-1 s.n. Riverside Round Valley, San Jacinto Mountains. 2744 Comment
  UCR60658  Ranunculus aquatilis var. capillaceus R. F. Thorne 1973-5-23 43839 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  RSA180257  Ranunculus californicus E. W. Lathrop 1965-4-4 5614 Riverside 8 miles west of Murrieta-Tenaja Range. Comment
  UC488997  Ranunculus californicus C. V. Meyer June 1927 196 Riverside Saunders Meadows San Jacinto Mts. 1676 Comment
  UCR201654  Ranunculus californicus Scott D. White, Justin M. Wood 2008-5-15 12006 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  CAS-BOT-BC334466  Ranunculus muricatus O. F. Clarke 2010-4-16 s.n. Riverside Peninsular Range: Riverside. O.F. Clarke resience, 266 Frost Court, east edge of UCR campus 350 Comment
  UCR174052  Rhamnus crocea A. C. Sanders 2006-5-19 32446 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
  RSA518505  Rhamnus ilicifolia Chet McGaugh 1990-8-8 s.n. Riverside SW Dursano Valley, S of town of Anza. 1372 Comment
  UCR111234  Rhamnus ilicifolia Ward B. Holt 1941-10-23 1941- 19 Riverside Southern Mojave Desert, Road to Keys [View] Point, Joshua Tree National Monument Comment
  RSA674923  Rhamnus tomentella subsp. cuspidata Scott D. White, Pam De Vries 2000-4-25 7731 Riverside Temescal Valley: Corona area, eastern foothills of Santa Ana Mountains just above citrus groves. 412 Comment
  UCR107749  Rhus aromatica D. L. Banks 1997-5-5 1994 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
  UCR194814  Rhus aromatica Scott D. White 2006-5-19 11477 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
  LA62864  Rhus ovata Louis Wheeler; 1933-12-1 2280 Riverside San Gorgonio Pass, San Gorgonio wash at S.P. RR 640 Comment
  UCR30589  Rhus ovata John C. Roos 1948-5-29 3872 Riverside San Bernardino Mtns., Whitewater Canyon 856 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
  RSA651630  Ribes aureum var. gracillimum Bennie Finnell 1948-5-17 s.n. Riverside Found near Hunt Ranch 8 mi. South of Corona. 221 Comment
  RSA162815  Ribes californicum var. hesperium J. D. Olmsted 1959-2-28 s.n. Riverside Turn S on Lincoln in W Corona, after 3 miles turn W on Chase Dr, then S on Oak Flat fire road for 4 miles past Olive trees. Santa Ana Mts. 793 Comment
  JEPS44378  Ribes cereum Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4255 Riverside just below Toro Peak (i.e. s of the saddle e of the peak); Santa Rosa Mts. 2499 Comment
  CAS-BOT-BC173137  Ribes indecorum Lathrop; Thorne 1967-9-26 6599 Riverside 6 mi. NW of Murrieta. Tenaja Road at the pass entering valley leading to Tenaja Guard Stat. 609 Comment
  POM256961  Ribes indecorum W. Pequegnat 1939-12-26 s.n. Riverside 1 mile NW Trabuco Peak, Santa Ana Mts. 1067 Comment
  UC1292280  Ribes indecorum C. L. Hitchcock, C. V. Muhlick 1964-3-17 23111 Riverside 10 mi n Pala (along road to Elsinore) Comment
  UCR113594  Ribes indecorum A. C. Sanders 1998-1-15 21628 Riverside Lake Skinner area, Black Mtn., along road up north side 884 Comment
  RSA96715  Ribes indecorum E. K. Balls 1954-4-26 19071 Riverside 1/2 way up W side Mt. San Jacinto 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
  OBI70000  Ribes roezlii David Charlton 1988-5-21 1910 Riverside Thomas Mtn rd, from N to S. W of Garner Valley and S of Lake Hemet on hwy 74 1829 Comment
  SD229188  Ribes roezlii var. roezlii Dick Schwenkmeyer 2012-4-17 691 Riverside Mt. San Jacinto: Vista Grande, 2 miles south of U.S. Forestry station on Highway 243 north of Idyllwild 1618 Comment
  UC284743  Romneya coulteri P. A. Munz 1923-6-14 7108 Riverside Trail, Glen Ivy to Santiago Peak, Santa Ana Mountains Glen Ivy; Santa Ana Mountains 1005 Comment
  RSA192335  Rosa californica H. A. Zuill 1966-6-5 200 b Riverside San Mateo Canyon about 13 miles SW of Murrieta Comment
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Feb 12 2013
  UC218158  Rubus parviflorus P. A. Munz 1922-9-6 6385 Riverside North Fork of Tahquitz Creek San Jacinto Mts., North Fork Tahquitz Creek 2209 Comment
  CLARK-A1528-766  Rumex crispus C. M. Flanagan 1973-5-20 OO 521 Riverside Morongo Indian Reservation Comment
  UCR88577  Rumex hymenosepalus A. C. Sanders, J. C. Lyman 1995-4-16 16563 Riverside San Bernardino Valley, Glen Avon: sand dune area on N slope of the Jurupa Hills (draining toward Fontana), Pyrite St. Canyon 335 Comment
  POM153389  Rumex maritimus P. A. Munz, I. M. Johnston 1928-9-12 11259 Riverside Temescal Canyon, Lee's Lake. Comment
  UCR57986  Rumex maritimus Jeri Hirshberg 1989-7-27 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, E end of Vail Lake, in 'draw down' area Comment
  SD187462  Rumex salicifolius Scott D. White, Angelia Carey 2004-5-7 10314 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills 548 Comment
  UCR193872  Rumex salicifolius A. C. Sanders, Mitch Provance 2008-7-11 35819 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
  UCR256744  Rumex salicifolius T. B. Salvato, Matthew Malle 2013-4-11 7533 Riverside Gavilan Hills, southeastern slopes, hill above Black Powder Canyon and c. 0.5 mi north of the Temescal Canyon 419 Comment
  RSA774117  Rumex salicifolius var. denticulatus Duncan S. Bell, Colleen Wheeler 2010-7-19 1628 Riverside San Bernardino National Forest: Garner Valley, in the vicinity of the Tool Box Spring trailhead, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1377 Comment
  POM12873  Sagina saginoides P. A. Munz 1922-7-6 6019 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  UCR17576  Sagina saginoides var. hesperia E. C. Jaeger 1921-7-4 s.n. Riverside San Jacinto Mtns., Round Valley 2744 Comment
  UCR244393  Salazaria mexicana Jim Andre 2012-4-16 20973 Riverside Southern Mojave Desert, Joshua Tree National Park; along Cottonwood Springs Rd [=Pinto Basin Rd.], c. 6 mi. south of north entrance at Twin Tanks parking area 1197 Comment
  CAS-BOT-BC6028  Salicornia subterminalis Samuel Bonsal Parish; William Fletcher Parish 1882-6-1 1520 Riverside San Jacinto Plains Comment
  POM184905  Salix exigua H. P. Bracelin 1932-4-12 605 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  UC483079  Salix exigua Frank W. Peirson 1924-12-30 5410 Riverside 1000-Palm Canyon Colorado Desert, 1000-Palm Canyon 121 Comment
  UCR11299  Salix exigua O. F. Clarke, M. Alexander 1971-3-31 s.n. Riverside Santa Ana River Bottom, Union Pacific Bridge 213 Comment
  POM2035  Salix gooddingii I. M. Johnston 1918-5-30 2018 Riverside Temecscal Canyon (near Lee Lake). 335 Comment
  UCR171900  Salix gooddingii 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
  UCR6138  Salix gooddingii A. Belding 1967-5-12 s.n. Riverside Boy Scouts America Camp Evans, at the end of Indian Hill Road. Santa Ana River Flood Plain west of the City of Riverside Comment
  LA208734  Salix laevigata Carl Hedin; Joseph Ewan 1933-3-19 7679 Riverside Chino Creek near Prado (Rincon), below Corona [Area 7] Comment
  UCR99586  Salix lasiolepis A. C. Sanders, S. Hawkins 1996-4-24 18091 Riverside San Bernardino Mtns, Morongo Indian Reservation, SE edge of Burro Flats in vicinity of natural pond & bog 1159 Comment
  UCR11306  Salix lucida subsp. lasiandra O. F. Clarke, M. Alexander 1971-3-31 s.n. Riverside Santa Ana River Bottom, Union Pacific Bridge 213 Comment
  UCR109570  Salsola paulsenii R. D. Goeden, Don W. Ricker 1979-3-29 s.n. Riverside Coachella Valley, Indio, Monroe St. -6 Comment
  POM12755  Salsola tragus P. A. Munz 1922-7-3 5947 Riverside Vandeventer Flat 1372 Comment
  RSA500183  Saltugilia australis Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3521 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  HSC86129  Saltugilia grinnellii subsp. grinnellii M. H. Frost, Jr. 1954-6-6 13 Riverside San Jacinto Mtns. 1524 Comment
  NY43198  Salvia apiana J. B. Walker 1995-5-3 1406 Riverside S of Palm Desert, along Hwy 74, 3km E of Pinyon Flats Campground 1200 Comment
  POM259186  Salvia apiana P. A. Munz 1938-8-14 15371 Riverside High ridge east of Toro Peak, Santa Rosa Mts. 2287 Comment
  RSA411318  Salvia apiana N. R. Zabriskie, Walter Zabriskie 1972-4-9 508 Riverside Northwest of Hwy 74, Deep Canyon drainage, Santa Rosa Mountains. 1220 Comment
  RSA714428  Salvia apiana A. C. Sanders 2004-5-11 27854 Riverside Elsinore Basin Region: Alberhill Mountain, lower south-facing slopes southeast of the clay mining area. 450 Comment
  RSA775448  Salvia apiana Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4451 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 488 Comment
  UCR107740  Salvia apiana D. L. Banks 1997-5-5 1967 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 S fork of Pechanga Creek 427 Comment
  UCR167304  Salvia apiana var. compacta Scott D. White, Jennifer H. Jones 2005-5-24 11094 Riverside Banning Pass area, Cabazon: San Gorgonio River wash and adjacent alluvial flats and benches to W 610 Comment
  UCR178541  Salvia apiana var. compacta R. G. Swinney 1967-5-26 147 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 381 Comment
  CSUSB1061  Salvia columbariae J. R. Sweeten 1965-4-21 Riverside About 1 mile southwest of Lake Matthews Dam; near roadside on steep slope; Riverside. Comment
  OBI8239  Salvia columbariae David J. Keil, Malcolm McLeod 1977-3-26 12007 Riverside 0.2 mi NW of Prado Dam on Calif 71 183 Comment
  RSA554430  Salvia columbariae Theo Glenn 1992-3-31 92 -6 Riverside Colorado Desert. N side of Eagle Mountains, Storm Jade Mine. Comment
  UCR265192  Salvia columbariae David Fraker, Aaron C. Sedgwick 2012-4-4 65 Riverside Sonoran (Colorado) Desert, south of Joshua Tree National Park, north of Hwy I-10 on powerline road, 0.5 mi west of Cottonwood Springs Road 522 Comment
  UCR269919  Salvia columbariae Daphne K. Christopher, Hannah I. Stevens 2003-4-3 078 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve 536 Comment
  UCR18500  Salvia eremostachya 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
  UC354425  Salvia greatae Edmund C. Jaeger 1926-2-20 Riverside near Mecca; Salt Creek Wash Comment
  UCR251322  Salvia greatae Michelle Murphy-Mariscal 2014-5-6 50614- 01 Riverside Sonoran (Colorado) Desert, Salt Creek Canyon, 1.25 mi. NE (67 deg. ) of trestle on Kaiser mine RR at wash crossing, between RR and Bradshaw Rd. 308 Comment
  SD212655  Salvia mellifera Jennifer H. Jones 2006-6-6 384 Riverside Cleveland National Forest alonb CA Highway 74; San Juan Loop Trail head. 598 Comment
  UCR213861  Salvia mellifera Scott D. White, Justin M. Wood 2009-5-22 12931 Riverside San Jacinto Mountains, Old Control Road, below Halfway Spring 915 Comment
  RSA448914  Salvia vaseyi Robert Gustafson, Gary D. Wallace 1982-5-19 2566 Riverside Pines to Palms Hwy. (Hwy. 74), between 7-level Hill and Black Hill. Comment
  UCLA69741  Salvia vaseyi C. Epling and L. Haines 1937-5-7 Riverside 0.6 mi below Shumway Road (Palms-to-Pines Highway) Comment
  CSUSB691  Sambucus mexicana I. Rauch 1968-5-14 Riverside Santa Ana Mountains Santa Ana Mountains Comment
  UCR180578  Sambucus mexicana Scott D. White, Angelia Carey 2004-4-5 10009 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UCR97459  Sanicula bipinnatifida A. C. Sanders, O. F. Clarke & H. Forster 1997-3-2 19760 Riverside Box Springs Mountains, E side of the range in Pigeon Pass area, above W end of Quail Call Drive, in canyon just west of section line. 610 Comment
  UC796594  Sanicula graveolens LeRoy Abrams 1901-6-15 1840 Riverside Santiago Peak Comment
  UC566925  Sarcostemma cynanchoides subsp. hartwegii H. L. Mason 1926-5-2 3193 Riverside Aguanga Valley Comment
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Nov 16 2011
  UC416713  Satureja chandleri Robinson and Crocker 1916-3-29 571 Riverside near Murietta; Santa Ana Mts. Comment
  CAS-BOT-BC239933  Schismus arabicus Noel H. Holmgren; Patricia K. Holmgren; Ruth E. Kern 1973-3-22 6464 Riverside Rice Valley, 7 miles south-southwest of Rice 274 Comment
  RSA0014458  Schismus arabicus Justin M. Wood, J. Miner 2010-4-29 1531 Riverside Coachella Valley: Bermuda Dunes. Near intersection of Avenue 38 and Varner Rd. 37 Comment
  UCR166851  Schismus arabicus Chet McGaugh 2005-1-27 s.n. Riverside Sonoran (Colorado) Desert, E of Salton Sea, along Coachella Canal between siphons 26-27 NE of Dos Palmas Spring 24 Comment
  RSA0023242  Schismus barbatus Jim Andre 2013-3-4 23866 Riverside Sandy bluffs overlooking Colorado River, 0.2 miles east of Hwy 95, just south of Riverside Mountains, just north of Queen Sable Point. 96 Comment
  RSA478502  Schismus barbatus Christopher Davidson 1973-4-1 1790 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  RSA596534  Schismus barbatus D. L. Banks 1996-7-16 1125 Riverside NW Palomar Mountains; Agua Tibia Mountains; In the Vail Ranch Housing Development, N of the Pechanga Indian Reservation; At the W side of the intersection of Marge Place and Tehachapi Pass( N of Vail Ranch Road);, along a disturbed hillside and adjacent roadside 426 Comment
  SDSU12972  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
  UCR151036  Scirpus microcarpus Scott D. White 1998-7-31 6956 Riverside San Jacinto Mts., Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park 1951 Comment
  UCR195097  Scirpus microcarpus A. C. Sanders, Tim Thomas 2008-8-1 35951 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1402 Comment
  OBI74594  Scrophularia californica David J. Keil 1983-4-15 16903 Riverside E of Temecula on SR79 Comment
  UC1931122  Scrophularia californica Scott D. White, Justin Wood 2008-7-8 12387 Riverside Johnson Meadow San Jacinto Mountians Comment
  UCR268277  Scrophularia californica Jim Andre 2012-6-15 30502 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
  UCSC001510  Scutellaria angustifolia Peter Kamb 1948-7-3 1141 Riverside Hall Canyon, San Jacinto Mts., Yellow Pine Forest 1646 Comment
  UC25798  Scutellaria bolanderi subsp. austromontana H. M. Hall 1897-7-17 696 Riverside San Jacinto River; San Jacinto Mountains, San Jacinto River 762 Comment
Read comments
Dec 28 2006
  CAS-BOT-BC341098  Scutellaria mexicana Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  SD90502  Scutellaria siphocampyloides Robert F. Thorne, J. P. Simon and C. W. Tilforth 1969-6-24 38090 Riverside Above James Reserve in Hall Canyon, San Jacinto Mountains. 1676 Comment
  RSA206255  Sedum niveum Reid V. Moran 1968-8-3 15365 Riverside NE slope of Santa Rosa Mountain 2250 Comment
  SD67927  Sedum niveum Reid Moran 1968-8-3 15346 Riverside On northeast slope, 1.0 mile northwest of Toro Peak. 2250 Comment
  RSA0074746  Sedum spathulifolium Scott D. White 2000-11-15 8148 Riverside Idyllwild area, Strawberry Fuelbreak between Inspiration Pt. and Strawberry Ck. 1402 Comment
  RSA495801  Selaginella bigelovii Steve Boyd, T. S. Ross, Laurel Arnseth 1989-3-11 2910 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam 396 Comment
  UCD135975  Selaginella bigelovii L. S. Rose 1935-12-18 s.n. Riverside Tahquitz Canyon, Palm Springs, Colorado Desert. 243 Comment
  RSA747993  Selaginella eremophila Scott D. White, Justin M. Wood 2009-4-28 12596 Riverside City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  CAS-BOT-BC62253  Selaginella watsonii P. A. Munz 1922-7-7 6045 Riverside Summit of San Jacinto Peak 3285 Comment
  CAS-BOT-BC62257  Selaginella watsonii P. A. Munz 1922-7-7 6045 Riverside Summit of San Jacinto Peak 3285 Comment
  JOTR31061  Senecio flaccidus var. douglasii La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2044 Riverside Joshua Tree National Park. Little San Bernardino Mountains, above Lower Covington Flats; STOP 2: steep rocky canyon heading up to west side of Quail Mountain region Comment
  RSA335026  Senecio flaccidus var. douglasii Steve Boyd 1985-8-7 1113 Riverside Clinton Keith Road, 1.7 mi. E of gate to The Nature Conservancy Preserve. Comment
  UCR3835  Senecio flaccidus var. douglasii John Minnich 1964-6-5 64-6-5- 01 Riverside Santa Ana Mtns, Hwy 74 610 Comment
  UC35969  Senecio flaccidus var. douglasii H. M. Hall Aug 1899 Riverside Comment
  JOTR16613  Senecio flaccidus var. monoensis Moore, Sue 1968-3-25 s.n. Riverside Joshua Tree National Park. 731 Comment
  UC667290  Senecio flaccidus var. monoensis Annie M. Alexander and Louise Kellogg 1941-5-9 2142 Riverside along road on plateau n Cottonwood Spring; Colorado Desert, Eagle Mountains, Cottonwood Spring 883 Comment
  RSA642298  Senecio ganderi D. L. Banks, Mike Kinney 1998-6-8 2202 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Approximately 200 m east of Magee Truck Trail, along a crushed bruch track from a native Stipa grassland at the southern border of the reservation., Just north of the Riverside / San Diego County line border. 483 Comment
  UCR42398  Senecio mohavensis J. M. Stewart 1986-1-26 86- 6 Riverside Sonoran (Colorado) Desert, NE side of Mecca Hills 305 Comment
  RSA673503  Senecio vulgaris Scott D. White, Sandy Leatherman 2000-4-19 7670 Riverside Santa Ana Mountains/Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east-and north-facing slopes. 640 Comment
  SBBG94679  Senecio vulgaris S. D. White 1990-9-25 Riverside Santa Rosa Plateau, 5 air mi SW of Temecula on Via Yerba Rd, E of Vaquero Rd 374 Comment
  SDSU12940  Senecio vulgaris Jutta Buschbom 1991-6-9 23 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
  UCR265599  Senecio vulgaris Jordan Zylstra 2014-3-18 14014 Riverside San Jacinto Mountains, Apple Canyon, west of Apple Canyon Road 1453 Comment
  UC1128900  Senna armata H. S. Yates 1936-4-7 5444 Riverside 8 mi. n. Mecca; Thermal Quad. Comment
  UC1999590  Sequoiadendron giganteum Rudolf Schmid and Mena J. Schmid 2009-5-1 2009 -4 Riverside NW San Jacinto Mountains, NE of HW 243 ca. 16 highway km NW of Idyllwild, in the S unit of the San Bernardino National Forest, on SE flank of Black Mountain (summit) Comment
  UC1191601  Sesbania herbacea Malcolm A. Nobs and S. Galen Smith 1948-9-3 500 Riverside 2 mi n Indio; Imperial Valley Comment
  UCR110372  Sesuvium verrucosum A. C. Sanders, Mitch Provance 1999-9-26 23121 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
  UCR214893  Sesuvium verrucosum A. C. Sanders, Richard Dwerlkotte 2010-3-22 37520 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 1.5 mi. SE of Sidewinder Well, south end of Palen Dry Lake, SW of Palen Mtns. 130 Comment
  SEINET239062 Image available Setaria italica Bill Isom 1973-10-30 206 Riverside Moreno Valley: Cultivated experimentally at UC Moreno Valley Field Station south of Allesandro (&Cactus) between nason 457 Comment
  CSUSB597  Sidalcea malviflora Leland R. Dykes 1962-4-22 Riverside Santa Ana Mountains Santa Ana Mountains. San Mateo Canyon Road. 7 miles west of Palomar Road, Murrietta. Comment
  CLARK-A1528-619  Sidalcea malviflora subsp. malviflora Charlotte Stocks 1962-5-23 Riverside San Jacinto Mountains Comment
  CAS-BOT-BC109424  Sidotheca emarginata Edmund C. Jaeger 1922-7-21 s.n. Riverside Pines to Palms Trail East slope San Jacinto Mountains. 1524 Comment
  UCR20803  Silene antirrhina A. C. Sanders 1980-5-14 01457 Riverside N side of Agua Tibia Mountains; Cleveland Nat. Forest., Dripping Springs 610 Comment
  UCR214319  Silene antirrhina A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38395 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
  UC8465  Silene laciniata subsp. major H. M. Hall June, 1901 2303 Riverside San Jacinto Mountains canyons of w side San Jacinto Mountains 1371 Comment
  RSA263644  Silene lemmonii E. W. Lathrop 1966-5-29 6391 Riverside Cleveland National Forest, Main Divide Truck Trail between El Carriso & Santiago Peak. 1220 Comment