Search Results — 2000 specimen records retrieved (1889 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC229313  Abronia villosa Mary F. Spencer 1919-6-17 1330 Riverside Fields near San Jacinto 304 Comment
  OBI26123  Abronia villosa David J. Keil 1976-12-12 11923 Riverside Along I-10, 37 mi E of Chiriaco Summit Comment
  POM307254  Abronia villosa Henry J. Ramsey, Henry J. Ramsey 1939-11-28 2235 Riverside La Quinta Comment
  UCR215643  Abronia villosa Bao Doan 2010-5-31 12 Riverside Western edge of Sonoran (Colorado) Desert, San Gorgonio Pass, Cabazon, Elm St. at San Gorgonio River wash crossing 473 Comment
  RSA33384  Abronia villosa var. aurita N. C. Cooper 1944-3-25 994 Riverside Cabazon. 457 Comment
  SEINET10903463  Acacia greggii Billy Joe Cox 1975-4-23 Cox 4134 Riverside Palo Verde, 1-3 km W, (ca 32 m S of Blythe); creosote desert scrub; sandy and gravelly entisols. 70 Comment
  RSA125463  Acacia greggii var. arizonica E. K. Balls, Percy C. Everett 1957-8-20 22664 Riverside Morongo Pass, 8 3/4 mi N. along rd. to 29 Palms from jct. with U.S. Hwy 60/70/99. 640 Comment
  RSA414906  Acacia greggii var. arizonica L. C. Wheeler 1933-12-1 2285 Riverside San Gorgonia Wash at S. P. RR, San Gorgonio Pass. 640 Comment
  UCR116459  Acacia redolens A. C. Sanders, T. B. Salvato 2001-3-30 23856 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. Pina Colada 366 Comment
  CAS-BOT-BC172853  Acamptopappus sphaerocephalus Mitch Provance; Kerry Knudsen; Petra Wester 2004-5-8 9004 Riverside Santa Rosa Mountains: Along Hwy 74 on the Santa Rosa Mountain Grade, ca. 0.8-0.5 mi NE of Black Hills 854 Comment
  RSA688848  Acamptopappus sphaerocephalus Scott D. White, Michael Honer 2003-5-13 9249 Riverside Whitewater Canyon, ca. 2 miles north of Bonnie Bell. 579 Comment
  UCSB16941  Acamptopappus sphaerocephalus Shaw, Merrilee 1963-5-5 Riverside Just east off State Highwat 74, 5.7 miles northeast of Pinyon Flats Campground 762 Comment
  RSA741571  Acer negundo Scott D. White, Justin M. Wood 2008-6-17 12163 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  CAS-BOT-BC218713  Achnatherum coronatum C. L. Hitchcock; C. V. Muhlick 1964-3-17 23100 Riverside 3 miles SE of Glen Ivy Hot Springs Comment
  RSA575824  Achnatherum coronatum Steve Boyd 1981-4-29 s.n. Riverside Gavilan Hills region, western flank of Estelle Mountain above entrenched meander of Temescal Creek, northwest of Lee Lake. 366 Comment
  UC159238  Achnatherum hymenoides E. E. Schellenger 1911-4-24 Riverside s Palm Springs; Colorado Desert Comment
  RSA450644  Achnatherum speciosum J. C. Roos 1965-6-13 sn. Riverside San Jacinto Valley, Valle Vista (east of Hemet). Comment
Read comments
Mar 27 2011
  RSA770430  Achnatherum speciosum Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4869 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
  POM7896  Achyronychia cooperi P. A. Munz 1920-4-4 3527 Riverside Pass South of Palm Springs. Comment
  UCSB23492  Achyronychia cooperi Keefe, Joseph 1967-1-2 Riverside Campground; Salton Beach Park; northeast end of Salton Sea; southeast of Mecca -36 Comment
  UC1979646  Acmispon argophyllus Steve Boyd, D. L. Banks 1995-4-5 8418 Riverside Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain on the eastern edge of the Dripping Springs Alcove in tributary of Arroyo Seco, west of lower Dripping Springs Trail, just south of the Wilderness boundary. Comment
  SDSU12261  Acmispon glaber var. brevialatus Jeremy Mass, Ryan Jacobsen 2000-4-19 7 Riverside Roadside along Stone Creek near Southside Field Station, Santa Margarita Ecological Reserve (SDSU). 222 Comment
  SEINET957371  Acmispon grandiflorus L. B. Ziegler 1968-1 327 Riverside San Jacinto Mountians- Strawberry Valley. Yellow Pine Forest. 1951 Comment
  RSA801954  Acmispon grandiflorus var. grandiflorus LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6156 Riverside Along road (5S24). End of Marion Ridge road, south of the community of Pine Cove. Ridge running south down to Idyllwild school of performing arts, west of Strawberry Valley. 1799 Comment
  RSA0120317  Acmispon maritimus var. brevivexillus Duncan S. Bell, Thomas Stoughton 2016-3-16 8954 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central/southeastern section of range, approximately 2.5 air miles north of Gucci Spring. 511 Comment
  RSA0120632  Acmispon rigidus Duncan S. Bell, Thomas Stoughton 2016-3-17 8961 Riverside Orocopia Mountains; east side of the range; collecting in rocky hills to the west of Red Cloud Wash. 531 Comment
  SBBG3458  Acmispon rigidus H. and M. Dearing 1936-12-26 921 Riverside Palms to Pines Hwy Comment
  UCR244431  Acmispon rigidus Jim Andre 2012-4-16 20964 Riverside Southern Mojave Desert, Joshua Tree National Park; north side of Mt Ryan at Sheep Pass Campground area 1370 Comment
  UCR104166  Acourtia microcephala Scott D. White 1997-5-25 5246 A Riverside San Jacinto Mtns, Bautista Canyon: Hixon Trail (USFS No. 2E43), between trailhead at Bautista Canyon Road and intermittent stream crossing at c. 3200 ft 976 Comment
  UCR142193  Acourtia microcephala June Latting 1979-5-4 s.n. Riverside Gavilan Hills, Harford Springs County Park 610 Comment
  RSA768503  Acroptilon repens Justin M. Wood 2009-11-30 1387 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  JOTR32125  Adenophyllum porophylloides La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade` 2011-4-26 2281 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
  RSA0043068  Adenophyllum porophylloides Duncan S. Bell, LeRoy Gross 2014-3-20 6264 Riverside Orocopia Mountains; north section of range; 2.75 air miles southwest of Hayfields Lake. 511 Comment
  RSA608234  Adenostoma fasciculatum var. fasciculatum Steve D. Boyd, Bart O'Brien 1998-1-13 10068 Riverside Santa Ana Mountains: north end of the range, ESE of Sierra Peak along Main Divide Road (3S04), ca. 0.6 mi from summit of peak on divide between Fresno and Fremont canyons. 915 Comment
  CAS-BOT-BC69649  Adiantum capillus-veneris Edmund C. Jaeger 1922-3-18 s.n. Riverside Eagle Canyon, 4 mi. e. of Palm Springs. Comment
  JEPS32114  Agnorhiza ovata Carl V. Meyer 1929-6-18 783 Riverside near Kenworthy (at edge of Hemet Valley); Hemet Valley Comment
Read comments
Mar 25 2011
  POM11433  Agoseris retrorsa P. A. Munz 1922-7-3 5965 Riverside Santa Rosa Mts. Santa Rosa. 1920 Comment
  SEINET10467647  Agrostis oregonensis David B. Dunn 1946-8-17 Dunn 2707 Riverside Found in dry soil of taquitz valley in the san jacinto mts. Comment
  UCR27222  Agrostis pallens E. W. Lathrop 1965-5-23 5770 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, 9 mi west of Murrieta 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
  POM13217A  Aliciella latifolia E. C. Jaeger 1921-04 1129 Riverside Painted canyon, near Mecca. Comment
  RSA71926  Aliciella latifolia F. W. Peirson 1927-4-12 7168 Riverside Painted canyon, near Mecca. Comment
  CAS-BOT-BC434478  Allionia incarnata Peter H. Raven 1958-3-15 11849 Riverside Box Canyon Comment
  RSA675990  Allionia incarnata Scott D. White 2001-4-12 8298 Riverside Shaver s Valley. South of the I-10 Freeway, ca. 15 miles east of Indio jtn. I-10 / SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. 320 Comment
  UC56252  Allionia incarnata H. M. Hall May 17 1901-Jun 1 1901 1872 Riverside Palm Canyon, Journey from Riverside to Santa Rosa Peak and Palomar Palm Canyon 457 Comment
  UCR148041  Allionia incarnata Steve Boyd, Et al. 2004-5-14 11227 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
  UCR148480  Allionia incarnata John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  POM13074  Allium burlewii E. C. Jaeger s.n. Riverside San Jacinto Mountains. Comment
  CAS-BOT-BC131987  Allium haematochiton Steve Boyd 1986-4-22 1769 Riverside Temescal Canyon: Terrace escarpment E side of Indian Wash, S of I-15 Comment
  UC1608290  Allium lacunosum var. kernense Steve Boyd, Tim Ross 1992-5-15 7386 Riverside along old Main Divide Road track about 1/4 mi se radio towers (se flank of Elsinore Peak at Onion Hill); Southern Santa Ana Mountains, Elsinore Peak, Onion Hill 1021 Comment
  CAS-BOT-BC472712  Allium lacunosum var. lacunosum Joy Keck 1935-4-19 3849 Riverside White Tank, S. of Twenty-nine Palms Comment
  UCR836  Allium peninsulare J. E. Dimitman 1957-5-18 s.n. Riverside Peninsular Range; San Jacinto Mtns., Bautista Canyon Wash 793 Comment
  UCD118012  Allophyllum divaricatum A. C. Sanders; P. MacKay, T. Thomas, O. Clarke 1997-5-4 20633 Riverside San Jacinto Mountains: N side along Hwy 243, 1.5 miles below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740. 1067 Comment
  RSA526142  Allophyllum glutinosum Steve Boyd, T. S. Ross 1990-5-11 4623 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  RSA783224  Allophyllum glutinosum J. D. Olmsted 1959-4-30 501 Riverside Foot of Spring Trail at Beacon Pines Ranch SW of Corona; 20 yards east of spring, Santa Ana River drainage 716 Comment
  RSA770792  Alnus rhombifolia Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4533 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SD217239  Alnus rhombifolia Steve Boyd, Tim Ross and Orlando Mistretta 1992-2-2 6653 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest; lower half of Tenaja Canyon, especially about Fishermans Camp. Comment
  UCR234767  Alnus rhombifolia A. C. Sanders, John F. Green 2012-6-25 40309 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon near Hostettler Rd. south of I-15 377 Comment
  SEINET10511141  Alopecurus howellii Robert F. Thorne, Earl W. Lathrop 1975-5-25 Thorne 45549 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro; muddy and bouldery margin of vernal marsh; with Rumex salicifolius, Hordeum geniculatum, Trifolium variegatum, etc. 610 Comment
  VVC2245  Aloysia wrightii Jim Andre, T. La 2008-9-16 10685 Riverside Southern Mojave Desert, Joshua Tree National Park; Bell Mtn ca. 0.3 mi N of radio tower 1360 Comment
  RSA653141  Alternanthera philoxeroides J. Zamora, Al Acosta 1999-9-29 s.n. Riverside Riverside: Santa Ana River, under the NW end of the Market St. bridge. 244 Comment
  JOTR32108  Amaranthus albus Harding, Mitzi, Kipp Callahan 2012-8-27 283 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  RSA487826  Amaranthus albus A. C. Sanders 1988-11-6 8741 Riverside Coachella Valley, W side of Hwy 86, 6.25 mi. S of it s junction with hwy 111 in Coachella and 3.85 mi. n of Valerie Jean, 0.55 mi. N of ave 60. -11 Comment
  CLARK-A1528-1397  Amaranthus fimbriatus John C. Roos 1946-9-14 3019 Riverside Asbestos Mountain 1097 Comment
  UCR264250  Amaranthus fimbriatus A. C. Sanders, Jim Malusa 2015-9-10 41862 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 0.85 mi. SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range 480 Comment
  VVC2325  Amaranthus fimbriatus Tim Thomas 2011-10-17 5516 Riverside Sonoran Desert, Ford Dry Lake off ramp just N of I 10 in drainge channel at edge of Lake. 108 Comment
  UCR158944  Amaranthus retroflexus Scott D. White 1994-6-23 2090 Riverside Temecula/Murrieta Region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  UCR276350  Ambrosia confertiflora Arlee Montalvo 2016-10-3 671 Riverside Dos Lagos-Temescal Wash Conservation Easement through Dos Lagos Golf Course, just north of main bridge below golf club (east of intersection of Temescal Canyon Dr. and Cabot Dr.), east of I-15 Fwy & 3/4 mile due south of Cajalco Rd., south of Corona 260 Comment
  CAS-BOT-BC22615  Ambrosia dumosa W. R. Dudley 1903-12-26 s.n. Riverside Palm Canyon 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
  UC31939  Ambrosia dumosa S. B. Parish Apr 4 1896-Apr 13 1896 4121 Riverside Palm Springs, (Agua Caliente); San Jacinto Mt. 152 Comment
  UCR263505  Ambrosia dumosa David Fraker, Aaron C. Sedgwick 2012-3-22 020 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, south of Joshua Tree National Park on both sides of Hwy 177, c. 5 miles north of I-10, c. 3 miles south of the Desert Lily Sanctuary 183 Comment
  RSA575845  Ambrosia psilostachya Steve Boyd 1982-11-2 s.n. Riverside Gavilan Hills region, Temescal Canyon at the confluence of Estelle Creek and Temescal Creek, at the northern end of the entrenched meander of Temescal Creek at the western base of Estelle Mountain. 329 Comment
  CAS-BOT-BC273007  Ambrosia salsola K. Larson 1976-6-9 2015 Riverside ~25 mi E of Indio Comment
  UC898008  Ambrosia salsola var. pentalepis I. W. Clokey 1935-4-17 6985 Riverside Cottonwood Springs Comment
  JOTR37495  Ambrosia salsola var. salsola Hodges, Stephen R., L. Ashfield 2016-1-20 624 Riverside Joshua Tree National Park. Eagle Mountains, Black Eagle Mine road, northern edge of mountains near eastern park boundary (Stop 1). Comment
  SBBG61691  Ambrosia salsola var. salsola M. N. Ackley -Feb-1926 247 Riverside near Edom 64 Comment
  UCR260189  Amelanchier utahensis Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5009 Riverside San Jacinto Mountains, Strawberry Creek to the southwest of Strawberry Valley, c. 2.4 air miles southwest of Idyllwild 1534 Comment
  UCR266908  Ammannia coccinea D. E. Bramlet 2005-7-13 3900 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, Mystic Lake, SW side near duck club, 200 ft. east of South Contour Rd., 4700 ft. north of San Jacinto River 434 Comment
  UCR275309  Amorpha californica var. californica J. Dansie 2016-5-25 51 Riverside San Bernardino Mtns., Cherry Valley, off Edgar Canyon Road 1215 Comment
  RSA768578  Amorpha fruticosa Justin M. Wood 2010-5-19 1847 Riverside Santa Ana River: 0.4 miles downstream of Prado outlet channel. 137 Comment
  SDSU13353  Amorpha fruticosa Joseph Verfaillie, Shasta Gaughen 2000-4-29 50 Riverside Santa Margarita Ecological Reserve (SDSU). The north side of the Santa Margarita river about 1/4 mile west of the pipe line crossing. About 5-15 feet from the river. 235 Comment
  UC306211 Image available Amsinckia intermedia Ivan Johnston 1917-3-1 Riverside mouth Andreas Canyon; ; Mouth of Andreas Canon 243 Comment
Read comments
Nov 27 2010
  UC494722  Amsinckia intermedia Philip A. Munz 1932-3-24 12025 Riverside n of Elsinore 304 Comment
  SEINET12519014  Amsinckia intermedia Steve Boyd 1986-1 1618 Riverside Gavilan Plateau, Gavilon Hills; Harford Springs County Park 610 Comment
  RSA499877  Amsinckia menziesii E. A. McGregor 1965-4-20 s.n. Riverside Near Aguanga, along Rt. 79. Comment
  POM9587  Amsinckia menziesii I. M. Johnston 1920-5-8 s.n. Riverside Near Wineville [RR Station] in sand by road[Wineville = Mira Loma] Comment
  UCR166799  Ancistrocarphus filagineus R. E. Riefner Jr. 2005-4-15 05- 200 Riverside Hemet; hills E (c. 1.5 mi) off Winchester Road and Florida Avenue (Hwy 74) 515 Comment
  RSA180297  Anemopsis californica E. W. Lathrop 1964-5-24 5380 Riverside 14 miles west of Murrieta. 549 Comment
  SD20319  Anisocoma acaulis A. L. Haines, L. Erickson 1937-4-10 Riverside Palsm to Pines Highway near road to Shumay. Comment
Read comments
Dec 17 2011
  UC485495  Antennaria rosea A. W. Anthony 1895-7-9 Riverside San Jacinto Mt. 2529 Comment
  UC489207  Antennaria rosea C. V. Meyer 1928-7-27 556 Riverside Tamarack Valley San Jacinto Mt., Tamarack Valley 2834 Comment
  POM280737  Antirrhinum coulterianum Henry J. Ramsey, Henry J. Ramsey 1940-3-15 s.n. Riverside Aguanga. (north of Riverside Co.) Comment
  POM354844  Antirrhinum coulterianum N. C. Cooper 1944-6-17 2007 Riverside San Jacinto Mountains: above Banning 1372 Comment
  RSA36569  Antirrhinum coulterianum Sara M. Schenck 1941-5-30 s.n. Riverside East side of Quail Mt. Comment
  RSA425788  Antirrhinum coulterianum Gale Sphon 1955-5-7 s.n. Riverside 3 miles W of Lake Elsinore. Comment
  UC1537411  Antirrhinum coulterianum Gordon H. True Jr. 1935-4-10 223 Riverside Box Springs; Sycamore Canyon 365 Comment
  UCR133397  Antirrhinum coulterianum Tracy Tennant, T. B. Salvato 1998-6-23 467 Riverside San Bernardino Mtns., Morongo Indian Reservation, N end of Hathaway Cyn., c. 0.4 miles east of pk 4265 (polygon 13) 1341 Comment
  UCR120700  Antirrhinum cyathiferum A. C. Sanders 1978-4-23 DC 149 Riverside Western Colorado Desert, Boyd Deep Canyon Desert Research Center, south of Palm Desert, 0.25 mi SW of Boyd Center (research station) 305 Comment
  UCR85243  Antirrhinum filipes A. C. Sanders, P. J. MacKay, M. Jacobsmeyer, et al. 1995-3-5 15993 Riverside Sonoran (Colorado) Desert, Orocopia Mtns, Maniobra Valley, 1.6-3 mi. south of frontage road (old Hwy 60) along Interstate 10, S to edge of BLM wilderness 610 Comment
  UCR41351  Antirrhinum nuttallianum N. M. Fellows, A. C. Sanders 1985-5-7 163 Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  UC697754  Apium graveolens Kay H. Beach 1942-10-22 1661 Riverside 3 mi nw city limits of Corona (along Chino Creek); Chino Creek 198 Comment
  UC22901  Apocynum androsaemifolium H. M. Hall 1901-6 Riverside ridges & peaks near Tahquitz San Jacinto Mts. 2286 Comment
Read comments
Aug 3 2008
  POM12858  Aquilegia formosa P. A. Munz 1922-6-24 5807 Riverside Pipe Creek, Hemet Valley 1524 Comment
  POM13572  Arabis perennans P. A. Munz 1922-6-28 5876 Riverside Santa Rosa Mountains. [San Jacinto Mountains] 2409 Comment
  UCR165198  Arabis sparsiflora S. J. Myers 2001-4-6 s.n. Riverside San Jacinto Mtns., Bautista Canyon 976 Comment
  RSA676286  Araujia sericifera Scott D. White 2001-6-22 8601 Riverside Corona: Bajada below the Santa Ana Mts., near the jtn. of Cleveland Way and Fullerton Av., about 2 road mi S of the jtn. Fullerton Av. and Ontario Av. 381 Comment
  SEINET6630818  Arceuthobium campylopodum I. W. Clokey, E. G. Anderson 1935-8-21 6574 Riverside Idlewilde- Banning 1650 Comment
  UCR273496  Arctostaphylos glandulosa A. C. Sanders, Glen Morrison 2016-8-4 42620 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, Calle Viento (thin dirt road) south of Avenida Presa, 0.5 km south of Rancho California Rd. 656 Comment
  RSA612363  Arctostaphylos glandulosa subsp. adamsii D. L. Banks, Joe Moreno 1997-2-5 1259 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,, including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  UCD105722  Arctostaphylos glandulosa subsp. glaucomollis T. Scott; A. Townesmith, K. M. Meyer 2007-3-15 130 Riverside San Bernardino National Forest. 9.4 mi. S on 243 (Palms to Pines National Scenic Byway) from US 10. Along side of road at pull-off before Diamond Zen Rd. 1298 Comment
  RSA631308  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-17 16756 Riverside Road to Thomas Mtn. (5S15), 1.8 km south of Toolbox Spring, west of Garner Valley, San Jacinto Mountains. 1785 Comment
  RSA484734  Arctostaphylos glauca A. C. Sanders, E. J. Lawlor 1988-10-22 8731 Riverside Santa Rosa Mountains Pinyon Flats area, along the trail from the Dolomite Mine to Horsethief Creek 1200 Comment
  RSA604867  Arctostaphylos glauca Scott D. White 1995-12-24 3801 Riverside Lakeview Mts. About 7 road miles SE of Davis Rd./Ramona Expwy. intersection. 671 Comment
  UCR100168  Arctostaphylos glauca Scott D. White 1992-12-16 988 Riverside Vail Lake area, c. 9 air mi east of Aguanga (junction of Hwys 371 & 79) & 3 air mi north of Beauty Mtn Peak. 1372 Comment
  RSA496736  Arctostaphylos glauca var. glauca Maureen Pendleton 1988-2-1 s.n. Riverside Ca. 2.5 mi. S of Temecula between I-215 and Rainbow Canyon Road. 412 Comment
  RSA633568  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16634 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  RSA633612  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21768 Riverside Dirt road to Santa Rosa Mountain, 9.2 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1995 Comment
  RSA633614  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21754 Riverside Dirt road to Santa Rosa Mountain, 8.6 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1940 Comment
  RSA635693  Arctostaphylos pringlei Jon E. Keeley 1994-4-27 25348 Riverside North side of Santa Rosa Mountain. 1900 Comment
  CAS-BOT-BC44374  Arctostaphylos pringlei subsp. drupacea E. K. Balls; P. A. Munz 1952-8-21 17972 Riverside Road to Santa Rosa Mt. from Vandeventer Flat 1828 Comment
  POM48359  Arctostaphylos pringlei subsp. drupacea P. A. Munz, I. M. Johnston 1924-7-28 8796 Riverside Pine Flats 1738 Comment
  RSA277085  Arctostaphylos pringlei subsp. drupacea R. S. Woglum 1941-6-12 3051 -A Riverside Idyllwild. Comment
  RSA635648  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-16 16645 Riverside Road to Santa Rosa Mountain (7S02), 7.5 km south of Highway 74. 1860 Comment
  SBBG5417  Arctostaphylos pringlei subsp. drupacea H. and M. Dearing 1937-11-27 1283 Riverside Santa Rosa Mtn Comment
  UCSB4721  Arctostaphylos pringlei subsp. drupacea Keator, Glenn 1959-5-16 Riverside Along trail to Mt. San Jacinto Saddle 1981 Comment
  SBBG54018  Arctostaphylos pungens R. S. Woglum 1937-5-22 575 Riverside Santa Rosa Mtns, near Santa Rosa Indian Reservation Comment
  RSA636027  Arctostaphylos rainbowensis Jon E. Keeley 1992-4-5 15062 Riverside Rainbow Canyon Rd., 2 km south of Pala Rd. 370 Comment
  SD180718  Arctostaphylos rainbowensis C. Matt Guilliams 2007-8-2 399 Riverside Santa Margarita Ecological Reserve, east of A!Highlands TrailA(r) on mesa top near weather station. Among boulders, exposed, 0 slope. 639 Comment
  RSA0043044  Argemone munita Duncan S. Bell, Loraine Washburn 2014-4-8 6580 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1.25 air miles north northeast of Clemens Well/Bradshaw Trail. 356 Comment
  UCR102939  Argemone munita George K. Helmkamp 1998-4-4 3182 Riverside Sonoran (Colorado) Desert, 2.3 mi. north of Hwy I-10 on Eagle Mtn Rd. 274 Comment
  CAS-BOT-BC137653  Aristida adscensionis D. A. Johansen; J. A. Ewan 1932-4-11 7089 Riverside Santa Rosa Mountains. Martinez Canyon. 365 Comment
  RSA784780  Aristida adscensionis Duncan S. Bell 2012-3-18 3184 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  UCD56350  Aristida californica A. A. Beetle 1943-4-27 1938 Riverside Near Thousand Palms. Comment
  UCR19683  Aristida californica John C. Roos 1946-9-14 3007 Riverside Santa Rosa Mtns, Dos Palmas Spring, east of Asbestos Mountain 1070 Comment
  UCR111514  Aristida divaricata A. C. Sanders, Steve Boyd, Mitch Provance, J. Ross 1998-10-25 22284 Riverside San Jacinto Mtns., Pine Meadow along Hwy 74 in Garner Valley (eastern), 1 mi. NW of Hwy 371 junction to Anza 1441 Comment
  RSA795925  Aristida purpurea Duncan S. Bell 2009-4-19 284 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  RSA700958  Aristida purpurea var. parishii Gary D. Wallace 1982-5-15 2003 Riverside Palms to Pines Highway (74), San Bernardino National Forest. 1 mi. E of Pinyon Pines Camp. Comment
  JOTR32644  Aristida purpurea var. purpurea La Doux, Tasha, Alice Miller 2007-5-8 1732 Riverside Joshua Tree National Park. Stop 1: Along Key's View Rd. 1385 Comment
  CAS-BOT-BC137493  Aristida purpurea var. wrightii Lewis S. Rose 1945-12-29 45343 Riverside Colorado Desert. Andreas Canyon, near Palm Spings. Comment
  SD137912  Artemisia dracunculus Darin L. Banks, Steve Boyd 1995-10-17 771 Riverside Northwest Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; along lower Arroyo Seco. 515 Comment
  UC29672  Artemisia dracunculus H. M. Hall 1901-6-8 2012 Riverside San Jacinto River Canyon San Jacinto Mountains, San Jacinto River Canyon 762 Comment
  UCR106908  Artemisia dracunculus D. L. Banks, L. Raz 1996-11-5 1170 Riverside Agua Tibia Mountains, Pechanga Indian Reservation, ESE of San Gabriel Church; along floodplain of the southern fork of Pechanga Creek. 415 Comment
  SD119914  Artemisia nova Louis B. Ziegler 1964-8-20 1 Riverside San Jacinto Mountains, Garner (Hemet) Valley, bench above Kenworthy Ranger Station on Old Morris Ranch Road 1615 Comment
  SEINET5539637  Artemisia tridentata var. angustifolia H. S. Gentry 1954-1 14251 Riverside Dripping Springs, along Route 79. Comment
  RSA795942  Asclepias erosa Duncan S. Bell 2009-4-19 278 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  CLARK-A1528-1463  Asclepias fascicularis John C. Roos 1941-10-24 5333 Riverside Riverside 228 Comment
  RSA401252  Asclepias fascicularis N. C. Cooper 1949-6-24 4313 Riverside West of Pinon Flats, San Jacinto Mountains. 1524 Comment
  RSA692198  Asclepias subulata Scott D. White, Michael Honer 2003-5-14 9299 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (= Superior ) Gypsum Mine. 76 Comment
  SEINET10779846  Asclepias subulata Marcus E. Jones 1906-4-30 Jones s.n. 1906 Riverside Indio Comment
  CHSC8460  Astragalus Edward Laidlaw Smith 1958-3-22 411 Riverside Sand dunes 3 mi. s. Rice. Little Santa Maria Mt. Range. Colorado River drainage area. 335 Comment
  UCSB10440  Astragalus Robert M. Lloyd 1960-3-23 355 Riverside collected 1.0 mi from, along State Highway 111 SE of Palm Springs U S Highway 99 - , State Highway 111 and Palm Springs 396 Comment
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Nov 19 2014
  POM9367  Astragalus aridus Mary F. Spencer 1920-3-14 1483 Riverside Desert sand, Colorado Desert. -60 Comment
  SBBG68385  Astragalus crotalariae R. Hoffmann 1929-2-5 Riverside below Fig Tree John's [Figtree John Spring] -60 Comment
  SEINET10957005  Astragalus deanei Greg Gust, Leith Nye 2005-3-10 Gust 532 Riverside City limits of Lake Elsinore on River Bank just off of Auto Center Dr, N of junction with Diamond Dr. 400 Comment
  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
  SBBG68220  Astragalus didymocarpus var. dispermus M. N. Ackley -Feb-1926 560 Riverside near Edom 64 Comment
  UC397259  Astragalus didymocarpus var. dispermus G. B. Grant Apr. 1906 Riverside Palm Spring Comment
  CAS-BOT-BC182633  Astragalus didymocarpus var. obispoensis Carl B. Wolf 1935-4-7 6301 Riverside Gavilan Hills Region. 1 mi. SW. of Perris 426 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
  SEINET938132  Astragalus dispermus Carl B. Wolf 1937-1 8430 Riverside Colorado Desert. Coachella Valley, 2 mi. NE. of Edom. 30 Comment
  UCR195095  Astragalus douglasii A. C. Sanders, Tim Thomas 2008-8-1 35935 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1448 Comment
  CAS-BOT-BC178447  Astragalus douglasii var. parishii Philip A. Munz 1937-5-30 15143 Riverside Northwest slope of Santa Rosa Peak 2225 Comment
  CAS-BOT-BC178452  Astragalus douglasii var. parishii D. E. Breedlove 1961-5-6 465 Riverside 4.2 mi. SW of Viste Grande Guard Station on Riverside Highway 1 near Allendale Pines, San Jacinto Mtns. 1798 Comment
  UC13322  Astragalus filipes H. M. Hall June, 1901 2164 Riverside Thomas Valley , Thomas Valley (San Jacinto Mountains) 1371 Comment
  RSA522754  Astragalus gambelianus Steve Boyd 1990-3-29 3861 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
  UCR256947  Astragalus lentiginosus var. fremontii Duncan S. Bell 2012-4-5 3312 Riverside Sonoran (Colorado) Desert, Palen sand dunes on the southwest side of the Palen Mountains at the south end of Palen Valley and the northwestern part of Chuckwalla Valley; vicinity of the Desert Lily Sanctuary 160 Comment
  RSA27928  Astragalus lentiginosus var. variabilis C. L. Hitchcock 1940-4-4 5958 Riverside Pinto Basin. Comment
  CAS-BOT-BC194164  Astragalus palmeri P. A. Munz; D. Keck 1922-4-13 4935 a Riverside Eagle Mts., Colorado Desert Comment
  RSA90640  Astragalus palmeri F. W. Peirson 1921-3-21 4751 Riverside Gordon Trail, E slope of San Jacinto Mts. 1220 Comment
  POM312059  Astragalus pomonensis R. Ford 1956-4-8 s.n Riverside Mockingbird Canyon, 2 miles East of Lake Matthews. 366 Comment
  POM50420  Astragalus pomonensis W. W. Eggleston 1924-3-8 19517 Riverside Val Verde. 390 Comment
  UCR109561  Astragalus pomonensis R. D. Goeden, Don W. Ricker 1965-6-10 s.n. Riverside Temecula Valley, tributary of Temecula River, near Oak Mtn. 457 Comment
  UCR121084  Astragalus pomonensis A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24964 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  RSA450305  Astragalus tricarinatus J. C. Roos 1948-5-8 3826 Riverside Whitewater. 518 Comment
  CAS-BOT-BC66100  Athyrium filix-femina var. cyclosorum Louis C. Wheeler 1931-10-3 198 Riverside 1 mi. NW Tahquitz Pk, San Jacinto Mts. 1859 Comment
  RSA615121  Athysanus pusillus A. C. Sanders, George K. Helmkamp 1997-3-15 19934 Riverside Lake Skinner area, hill E of Skinner Lake at NW end of Tucalota Hills. 518 Comment
  UCR151410  Athysanus pusillus D. L. Banks 1997-5-1 1348 Riverside NW Palomar Mountains, Agua Tibia Mountains, Pechanga Indian Reservation. Pechanga Creek, east of the 'Fiesta Grounds' to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation 427 Comment
  UCR1669  Athysanus pusillus J. R. Allen 1962-4-4 8- 253 Riverside Perris-Aguanga Basin region, 6 mi south of Perris, 1/3 mi south of Newport Rd. on Murrieta Rd. 427 Comment
  UCR21906  Athysanus pusillus Steve Boyd 1980-5-3 170 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  RSA779727  Atrichoseris platyphylla Duncan S. Bell 2009-3-8 95 Riverside Arica Mountains: center of mountain range in the vicinity of Priest Mine approximately 2 air miles west of Priest Well or approximately 7 air miles southwest of the ghost town of Rice. 467 Comment
  SEINET9118525  Atrichoseris platyphylla E. Adams 1978-1 S.N. Riverside Mecca, Box Canyon. Desert wash. Comment
  CAS-BOT-BC170586  Atriplex Mark A. Elvin 2005-5-24 4317 Riverside Perris, east of I-215, south of San Jacinto River, NW corner of junction of Ellis Ave. and first road east of I-215 - Perris Basin, Southern Coastal Slope 426 Comment
  RSA5459  Atriplex canescens C. B. Wolf 1932-10-13 s.n. Riverside Cottonwood Springs. Eagle Mountains 290 Comment
  UC850760  Atriplex canescens Carl B. Wolf 1932-10-13 4302 Riverside Cottonwood Springs Colorado Desert, , Cottonwood Springs (Eagle Mts.) 289 Comment
  CAS-BOT-BC170205  Atriplex canescens subsp. canescens S. B. Parish 1912-10-10 8255 Riverside Caleb - Salton Basin -60 Comment
  JEPS59546  Atriplex canescens subsp. linearis Mary Beal 1939-10-25 710 Riverside Palm Springs area , Palm Springs area (Mojave Desert) Comment
  RSA65363  Atriplex canescens var. laciniata F. W. Peirson 1924-12-30 s.n. Riverside Thousand Palms Canyon, Coachella Valley. 122 Comment
  UCR103475  Atriplex coronata var. notatior D. E. Bramlet 1995-6-8 2439 Riverside San Jacinto Valley, San Jacinto Wildlife Area, Lovell Unit, 1.22 km east of Davis Road and 183m south of the existing access road, 518 m north of San Jacinto River Channel 435 Comment
  UCR103491  Atriplex coronata var. notatior D. E. Bramlet 1995-6-8 2438 Riverside San Jacinto Valley, Mystic Lake Duck Club, on berms & on the SW duck ponds within the club,1.71 km east of Davis Road and 46 m south of the access road, 640m north of the San Jacinto River Channel 436 Comment
  UCR266252  Atriplex coronata var. notatior D. E. Bramlet 2006-5-5 3981 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, west Hemet area, north of Stetson Ave. and east of the EMWD canal 456 Comment
  UC68841  Atriplex elegans H. M. Hall 1905-4-17 5924 Riverside near Colorado River (Colorado Desert, Palo Verde Valley); Colorado Desert, nr Colorado River, Palo Verde Valley 91 Comment
  SD38024  Atriplex hymenelytra Edith A. Purer 1931-3-1 Riverside Near Palm Springs. Comment
  CLARK-A1528-2524  Atriplex lentiformis John C. Roos 1937-8-20 1224 Riverside Coachella Comment
  CLARK-A1528-2549  Atriplex polycarpa John C. Roos 1943-12-19 2763 Riverside Mecca Hills Comment
  UCR114547  Atriplex serenana A. C. Sanders, K. C. Rose 1999-6-18 22815 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave. near Rawson Rd. 451 Comment
  CAS-BOT-BC176762  Atriplex serenana var. serenana Baer 1922-9-9 s.n. Riverside Elsinore Comment
  RSA602490  Atriplex suberecta P. J. MacKay 1996-10-3 23 Riverside Menifee Valley: SE corner of Hwy 215 and Newport R., adjacent to Newport, gully behind Ralph s shopping center. 434 Comment
  RSA716386  Avena barbata Scott D. White, Angelia Carey 2004-4-5 9994 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR139033  Avena fatua D. L. Banks, V. W. Steinmann 1997-3-13 1448 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
  UCR158254  Avena fatua A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30114 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
  SEINET238943  Avenula pubescens Barbara Keller 2000-6-6 Riverside CULTIVATED; UC Botanical Gardens bed 658 behind memorial bench to the north of grass #93.0119. Accession number missing (Horticultu Comment
  UC527184  Baccharis brachyphylla Carl B. Wolf 1932-10-11 Riverside 3/10 mi below the San Bernardino County line Morongo Wash 670 Comment
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Feb 10 2013
  UCD129391  Baccharis brachyphylla J. C. Roos 1946-9-14 3008 Riverside near Dos Palmos Spring. East of Asbestos Mountain. 1066 Comment
  SD146042  Baccharis glutinosa Mitch Provance, S. D. Boyd 1999-9-14 1784 Riverside Riverside; riverbottom along Spring Brllk between Lake Evans and the Santa Ana River at the Mission Bridge. 238 Comment
  UCR115161  Baccharis pilularis Mitch Provance 2000-10-14 2252 Riverside Jurupa Mountains, Corner of Wilson St. and Agua Mansa Rd., at the entrance to an abandoned site of a proposed industrial complex. 268 Comment
  SD229073  Baccharis salicifolia subsp. salicifolia Dick Schwenkmeyer 2012-10-16 846 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 505 Comment
  UC500623  Baccharis salicifolia subsp. salicifolia Aven Nelson 1930-3-1 11169 a Riverside Palm Springs, near water course Comment
  CAS-BOT-BC99872  Baccharis sergiloides Carl B. Wolf 1932-10-12 4297 Riverside Canyon at Pinyon Well, Little San Bernardino Mts. (Conchilla Mts.) 1219 Comment
  JOTR29285  Baccharis sergiloides La Doux, Tasha 2003-9-4 1047 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  RSA342551  Baccharis sergiloides R. F. Thorne 1980-4-16 54094 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 Comment
  UC501623  Baccharis sergiloides Frank W. Peirson 1928-9-6 8205 Riverside Morongo Canyon 609 Comment
  UC667321  Baccharis sergiloides Annie M. Alexander and Louise Kellogg 1941-5-23 2229 Riverside Cottonwood Spring Eagle Mts. 883 Comment
  UCR37615  Baccharis sergiloides George K. Helmkamp 1984-5-2 D- 2 Riverside Little San Bernardino Mountains, Big Morongo Canyon, 3 - 3.5 miles below the caretaker's house at the Big Morongo Preserve 610 Comment
  UCR130082  Bacopa monnieri G. R. Ballmer 2003-11-22 s.n. Riverside Colorado River Valley, Northern Paloverde Valley, east of Hwy 95, c. 5 miles NE of Blythe, east end of 2nd Ave. 87 Comment
  HSC25084  Bahiopsis parishii Richard Spjut 1972-2-1 2168 Riverside Colorado Desert: N face of the Chuckawalla Mtns., ca. 3-4 mi. S of Desert Center; Providence Mtns., Morongo Basin and also along the W border of the Colorado Desert 305 Comment
  UCSB9966  Baileya multiradiata Beeks, Richard 1952-4-5 Riverside 12 miles E. of Shaver Summit Comment
  CAS-BOT-BC106611  Baileya pleniradiata Carl B. Wolf 1932-4-27 3026 Riverside Colorado Desert, Mecca - Blythe Road, 3/4 mi. west of Utopia 152 Comment
  RSA28087  Baileya pleniradiata I. L. Wiggins 1941-3-27 9684 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  SD5792  Baileya pleniradiata Frances Keys 1929-6-28 Riverside Palm Springs; Desert Queen Ranch. Comment
  UCR274531  Bassia hyssopifolia Mitch Provance, Ken Halama 2003-6-15 17069 Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  RSA556459  Bassia hyssopifolia Julie Greene 1993-4-30 1253 Riverside San Jacinto Wildlife Area, south of visitors center, by waterfowl kiosk, E of Davis Road. 433 Comment
  POM8383  Bebbia juncea Mary F. Spencer 1920-3-22 775 Riverside Palm Springs 122 Comment
  CAS-BOT-BC100127  Bebbia juncea var. aspera H. M. Hall 1901-6-1 2010 Riverside Canyon of the San Jacinto River 762 Comment
  JOTR35068  Bebbia juncea var. aspera La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3520 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocky slopes; above narrow side canyon Comment
  RSA0034159  Bebbia juncea var. aspera M. Bourell 1987-4-14 3270 Riverside BLM California Conservation Area, Hwy 195. Spur off of Box Canyon, near Mecca. 150 Comment
  RSA0039603  Bebbia juncea var. aspera Deidre Conocchioli, Duncan S. Bell 2014-3-11 153 Riverside Devil Canyon in the Santa Rosa Wilderness area. W of Coachella Valley, 3 miles S of Lake Cahuilla. 110 Comment
  RSA125251  Berberis haematocarpa E. K. Balls 1957-11-19 22822 Riverside Grown in Botanic Garden, alt. 1300 ft., from seed collected Aug. 20, 1957, by E. K. Balls & P. C. Everett, 6.6 mi. sw. along State Hwy 74 from Palm Village (jct. with State Hwy 111), Riverside Co. 396 Comment
  UC1563041  Berberis nevinii Steve Boyd, Tim Ross, and Laurel Arnseth 1989-3-19 3055 Riverside s flank Oak Mountain (0.75 mi n of dam); Vail Lake 518 Comment
  UC667336  Bernardia incana Annie M. Alexander and Louise Kellogg 1941-5-23 2220 Riverside near mouth of canyon n. slope Eagle Mts. Colorado Desert, n. slope Eagle Mts. 1158 Comment
  POM97991  Bernardia incana E. C. Jaeger 1926-3-26 s.n. Riverside Eagle Mountains, eastern Riverside 1250 Comment
  SEINET6062232  Bernardia myricifolia Unknown Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  RSA736760  Bidens laevis Scott D. White, Lynn Stafford 2007-6-27 11752 Riverside Chino Hills State Park: Santa Ana River floodplain just below Prado Dam. 134 Comment
  POM179754  Bloomeria crocea var. crocea H. M. Hall 1901-06 2101 Riverside South side of San Jacinto Mountains. 1463 Comment
  CAS-BOT-BC16095  Boechera californica Nancy Ryan Zabriskie; Walter Zabriskie 1972-6-18 524 Riverside San Jacinto Mountains. Northwest of Idyllwild. Along fire road south of south end Marion Ridge Road, Pine Cove. 1938 Comment
  SBBG50743  Boechera californica R. S. Woglum 1941-6-12 3059 a Riverside Idyllwild Comment
  UCR102045  Boerhavia coulteri B. G. Pitzer 1997-10-19 3350 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
  UCR163070  Boerhavia intermedia B. G. Pitzer, G. R. Ballmer 2000-10-14 4221 Riverside Sonoran (Colorado) Desert, south of eastern Ford Dry Lake, south side of Hwy I-10 along gasline road, 0.5-0.75 mi. east of Ford Lake Rd. exit, c. 22 miles west of Blythe 115 Comment
  CAS-BOT-BC540735  Boerhavia triquetra Sarah J. De Groot; Amy Rouillard 2015-9-15 7565 Riverside Ford Dry Lake, Chuckwalla Valley, N of I-10 106 Comment
  JOTR32597  Boerhavia triquetra var. intermedia La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2665 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  RSA0087827  Boerhavia triquetra var. intermedia Sarah J. De Groot, Amy Rouillard 2015-9-15 7565 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 107 Comment
  RSA594210  Boerhavia triquetra var. intermedia L. B. Ziegler 1967-8-26 s.n. Riverside Pinyon Flats Comment
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Feb 20 2009
  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
  SEINET4691938  Boerhavia wrightii Duncan S. Bell, Aaron Sedgwick 2012-1 4209 A Riverside Colorado Desert; western Colorado Desert region: The Mecca Hills; along what was left of Box Canyon Road After having been buried by a flash flood from a large summer ftorm approx 5 air miles northeast of the junction of box Canyon rRoad and the Coachella Canal of approximatly 1.25 air miles southwest of Shavers well 240 Comment
  UCR19111  Boerhavia wrightii John C. Roos 1965-9-5 s.n. Riverside Sonoran (Colorado) Desert, Desert Center Comment
  UCR245071  Boerhavia wrightii A. C. Sanders, T. B. Salvato 2012-10-12 40411 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd. near intersection with Graham Pass Rd., 4.56 km west of I-10 junction 124 Comment
  RSA613138  Bothriochloa barbinodis D. L. Banks 1997-3-6 1408 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. ''Fiesta Grounds'', east of Pechanga Creek along the northern fork of Pechanga Creek at the eastern end of the Reservation. 424 Comment
  UCSB9820  Bothriochloa barbinodis Beach, Kay 1942-10-23 Riverside Dos Palmas Spring; 0.75 mi E of road at point 20 mi from Kenworthy Forest Stn. and 12 mi N of Jct of Indio and Palmas highways; side road; San Bernardino Ntl Forest Comment
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Mar 2 2014
  CAS-BOT-BC145589  Bouteloua aristidoides H. K. Wagnon; B. Rateaver 1944-1-8 283 Riverside Palm Springs. Tachevah Canyon. Growing at base of Dry Falls. 152 Comment
  CLARK-A1528-4508  Bouteloua aristidoides John C. Roos 1965-9-5 Riverside Chuckwalla Valley Comment
  SEINET3920391  Bouteloua barbata Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-23 6490 Riverside Palen Valley, 15 miles northeast of Desert Center.; 0 183 Comment
  UCSB28074  Bouteloua barbata Blakely, E. 1961-9-12 Riverside Pinyon Flat, Palms to Pines Hwy 1219 Comment
  JOTR29253  Bouteloua barbata var. barbata La Doux, Tasha 2005-8-17 1534 Riverside Joshua Tree National Park. Queen Valley, along Bighorn Pass Road 1321 Comment
  CAS-BOT-BC95419  Bowlesia incana F. W. Peirson 1922-4-30 2954 Riverside about 1.5 mi.es from Temecula River on Hemet Road, Lancaster Valley 518 Comment
  RSA0042974  Bowlesia incana A. C. Sanders, Timothy W. Chumley 2013-3-29 40714 Riverside Alberhill, Lake St. near bridge over Temescal Wash between Temescal Canyon Rd. and I-15 Fwy 380 Comment
  UCR25778  Bowlesia incana John C. Roos 1952-4-13 5536 Riverside N side of the Box Springs Mountains 457 Comment
  RSA0086494  Boykinia rotundifolia Mitch Provance, Justin E. Smith 2015-7-22 715 -02 Riverside San Jacinto Mountains: Stone Creek, about 0.6 mi. WSW of Alhatti Christian Resort and Hwy 243. 1601 Comment
  SBBG89122  Boykinia rotundifolia F. C. Vasek 1987-7-14 870714 -1 Riverside Vista Grande Rd (USFS Rd 3S08) 1524 Comment
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Jun 7 2008
  RSA55095  Brandegea bigelovii R. H. Peebles 1930-4-6 132 Riverside Munsen Canyon, Eagle Mts. Corollas Desert. Comment
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Jul 5 2010
  SBBG100729  Brandegea bigelovii W. L. Halvorson 1977-2-5 77 -19 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  UCSB41346  Brandegea bigelovii Millett, Barbara 1980-5-18 Riverside Corn Springs Wash, Corn Springs Rd., 7 miles southwest of junction with Chuckwalla Rd., Colorado Desert 457 Comment
  UCR267878  Brassica kaber D. E. Bramlet 2006-5-25 4005 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, Nuevo area, east of the San Jacinto River channel and south of Nuevo Rd., west of Pico Ave. 433 Comment
  RSA0049917  Brassica tournefortii Jim Andre 2014-1-27 26672 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  SEINET229271  Brassica tournefortii L. M. Shultz, JS Shultz 1985-4-16 8277 Riverside Chuckawalla Valley north of the Chukkawalla Mountains 122 Comment
  UC1929787  Brassica tournefortii Scott D. White 2001-4-3 8237 Riverside COLORADO DESERT: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn. I-10 / SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. Comment
  UCR113202  Brassica tournefortii A. C. Sanders 1998-3-11 21691 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north side of Diamond Valley, along high water road of reservoir under construction 549 Comment
  CAS-BOT-BC106337  Brickellia atractyloides var. arguta B. D. Stark 1930-5-4 831 Riverside Morongo Pass Comment
  JOTR16569  Brickellia californica Baker, James K. & Baker, Ilisa T. 1966-10-19 s.n. Riverside Joshua Tree National Park. 1/2 MILE SOUTH DESERT QUEEN MINE 1341 Comment
  CAS-BOT-BC106225  Brickellia desertorum F. W. Peirson 1920-12-29 2336 Riverside Andreas Canyon, Colorado Desert 243 Comment
  RSA69831  Brickellia desertorum J. C. Roos 1951-10-19 5328 Riverside Gilman Hot Springs 459 Comment
  UCR109484  Brickellia desertorum A. C. Sanders, Pam MacKay, Tim Thomas, O. F. Clarke 1996-11-23 19650 Riverside San Bernardino Mtns., Whitewater Canyon, just below the fish hatchery 648 Comment
  UCR34874  Brickellia oblongifolia L. B. Ziegler 1967-6-8 153 Riverside San Jacinto Mtns., Pinyon Flats 1223 Comment
  CAS-BOT-BC132177  Brodiaea Dr. E. Rixford 1917-4-17 s.n. Riverside Coachella Valley Comment
  CAS-BOT-BC132191  Brodiaea filifolia John Thomas Howell 1930-5-10 4790 Riverside 2 miles south of Perris Comment
  CAS-BOT-BC483124  Brodiaea jolonensis Steve Boyd 1986-5-7 1836 Riverside Terrace escarpment between Horsethief Wash and Indian Truck Trail, south of I-15, Temescal Canyon Comment
  SEINET7296683 Image available Bromus arenarius E. W. Lathrop 1965-1 5742 Riverside 6 miles W of Murrieta Comment
  UC76969  Bromus catharticus F. M. Reed 1903-11-30 663 Riverside Riverside Comment
  UCD58337  Bromus catharticus L. Reese 1956-5-29 12 Riverside San Jacinto Valley. 475 Comment
  UCR229275  Bromus diandrus Ginny Short 2011-3-23 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley; Pushwalla Canyon, c. 11 miles east of Cathedral City 183 Comment
  JOTR35916  Bromus madritensis subsp. rubens De Groot, Sarah J., Jessica Chu, Loraine Washburn 2013-3-22 6864 Riverside Joshua Tree National Park. Cottonwood Spring; Fan palm oasis and surrounding slopes. 822 Comment
  NY1088730  Bromus madritensis subsp. rubens D. K. Christopher 2003-4-4 93 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 530 Comment
  SD137962  Bromus madritensis subsp. rubens Darin L. Banks 1995-4-11 173 Riverside Cleveland National Forest; Agua Tibia Wilderness Area; north slope of Agua Tibia mountain; east of the Dripping Springs Alcove area, along the Dripping Springs trail 950 Comment
  CLARK-A1528-4545  Bromus mollis John C. Roos, Lucille Roos 1950-4-15 4740 Riverside Pigeon Pass 457 Comment
  POM363961  Bromus rubens Ora M. Clark 1929-2-23 1531 Riverside South Cabazon. Comment
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Mar 13 2011
  UCR162376  Bromus rubens S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, Juan Diego Flats on powerline trail west to Reed Valley, NW of Cahuilla Mountain 1244 Comment
  UCR233070  Bromus rubens Edith B. Allen 2012-2-5 212- 02 Riverside Riverside, SW foot of the Box Springs Mtns. on east edge of town, Sycamore Canyon Park, just off Central Ave. near entrance 384 Comment
  RSA0020664  Bromus tectorum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3599 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  UCR214683  Bromus trinii A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37668 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, N of Temescal Canyon Rd. and NW of Concordia Ranch Rd., NW of horse racing track 375 Comment
  JEPS9627  Bursera microphylla Marjorie Clary 1939-3-2 Riverside 17 mi sw Coachella; Santa Rosa Mountains, Martinez Canyon Comment
  RSA161350  Caesalpinia virgata Percy C. Everett, Nick Lolonis 1963-5-3 24492 Riverside SE. corner of Colima & Obregon Sts., LaQuinta western edge of Colorado Desert. 91 Comment
  RSA8424  Caesalpinia virgata Roxana S. Ferris, R. C. Bacigalupi 1932-4-30 8243 Riverside In canyon between Shaver's Well and Mecca. Comment
  RSA86998  Caesalpinia virgata F. W. Peirson 1930-3-1 8691 Riverside Open desert at foot of Painted Canyon, near Mecca. Comment
  UC1552149  Calandrinia ambigua David Charlton 1988-2-19 1211 Riverside road between Cottonwood Wash and Mecca; Orocopia Mtns., Mecca Hills, Lower Box Canyon 457 Comment
  SDSU13052  Calandrinia ciliata Korey Klutz 1998-3-1 15 Riverside Santa Margarita Field Station. 378 Comment
  UCR16503  Calandrinia ciliata Joe Buriel 1966-3-18 s.n. Riverside Riverside, off Mockingbird Canyon Road, 1.5 mi south of Van Buren turnoff 457 Comment
  UCSB18186  Calocedrus decurrens Daniel, Dick 1964-5-16 Riverside Fuller Mill Creek Camp; along Banning Idyllwild Rd., San Jacinto Mtns. 1584 Comment
  RSA586941  Calochortus albus Darin L. Banks, Steve Boyd 1995-5-17 470 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., In the drainage immediately E of the spring just inside the wilderness boundary in north-central, section 33. 707 Comment
  UCSB26905  Calochortus concolor Wilken, Dieter 1969-6-30 Riverside On road to Santa Rosa Mountain, 4.0 miles east of California State Highway 74, Santa Rosa Mtns Comment
  CAS-BOT-BC488541  Calochortus concolor R. S. Woglum 1941-6-13 3072 Riverside Pines to Palms Road, Santa Rosa Mountains Comment
  CAS-BOT-BC483418  Calochortus invenustus H. M. Hall 1901-6-1 2297 Riverside In the vicinity of Strawberry Valley, San Jacinto Mountains 1828 Comment
  RSA0066240  Calochortus invenustus Anonymous s.n. Riverside Strawberry Valley. 1524 Comment
  SBBG22940  Calochortus plummerae H. and M. Dearing 1940-6-9 4362 Riverside E of Hemet Comment
  UC3449  Calochortus plummerae Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Mountains Comment
  UCR297  Calochortus splendens Frank C. Vasek 1955-5-14 228 Riverside Peninsular Range, [Wolf Valley], 8 miles north of Pala on S16 366 Comment
  UCR217564  Calochortus weedii var. intermedius Jeff B. Galvin 2008-6-13 69 Riverside Peninsular Ranges, Santa Ana Mountains, South of Sierra Peak along main access road. ~ 4km south of Prado Dam 908 Comment
  RSA674712  Calycadenia tenella Scott D. White 2000-5-1 7748 Riverside Corona: Western foothills of Santa Ana Mountains near Bedford Canyon. 351 Comment
  RSA472424  Calycoseris wrightii Robert Gustafson 1980-4-3 1528 Riverside Orocopia Mountains, about 4 miles east of Mecca on Box Canyon road. 213 Comment
  RSA796017  Calycoseris wrightii Duncan S. Bell 2009-4-18 246 Riverside Arica Mountains: southeast side of range, approximately 1.7 air miles west of Priests Well. 463 Comment
  SEINET7063460  Calyptridium monandrum A. G. Vestal 1947-3-30 s.n. Riverside San Jacinto Valley. UTM Zone 11, 497479mE, 3743001mN. (WGS84/NAD83). 442 Comment
  UC473451  Calyptridium monandrum John Thomas Howell 1930-5-10 4806 Riverside at to of St. John's Grade Comment
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Jul 5 2010
  CLARK-A1528-7874  Calystegia longipes John C. Roos 1952-6-8 5747 Riverside Reche Canyon 579 Comment
  UC1537159  Calystegia macrostegia Gordon H. True Jr. 1935-3-1 42 Riverside Gavilan Hills 548 Comment
  UCR21973  Calystegia macrostegia Steve Boyd 1980-5-5 199 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  UC1292286  Calystegia macrostegia subsp. tenuifolia C. L. Hitchcock, C. V. Muhlick 1964-3-17 23108 Riverside on road to Elsinore 10 mi n Pala; n of Pala Comment
  UCR207596  Calystegia sepium subsp. binghamiae O. F. Clarke 2004-5-31 s.n. Riverside San Bernardino Valley Region, Riverside, along Spring Brook on the west side of Fairmont Park 238 Comment
  RSA793029  Camissonia Justin M. Wood 2011-4-4 3393 Riverside San Bernardino Mountains Foothills: San Gorgonio River wash, off of Bluff Street, just east of Banning Bench. 881 Comment
  CAS-BOT-BC168227  Camissonia bistorta Abby Sirulnik 2000-4-13 06 Riverside Peninsular Ranges: Southwestern Riverside County Multispecies Reserve, ca. 3 mi NE of Skinner Reservoir 610 Comment
  CDA39783  Camissonia bistorta Mike Lahti 2014-3-11 s.n. Riverside Bautista Canyon - East Hemet. San Bernardino National Forest. 0 Comment
  SEINET4680881  Camissonia bistorta R. L. Piemeisel 1913-4-27 3616 Riverside W. of Crestmore.; 0 Comment
  UCR133976  Camissonia bistorta Mitch Provance, J. S. Ross 1998-3-27 MOR- 965 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, just south of the juction with the NE bound road to Deep Cyn. 915 Comment
  UCR43177  Camissonia bistorta B. G. Pitzer 1986-5-6 0205 Riverside Peninsular Range, Butterfield Stage Ranch Development, hills on the north side of Pauba Valley in Rancho California area, 1 mi south of Buck Mesa, on the E side of Butterfield Stage Rd. 457 Comment
  UCR227446  Camissonia boothii Thomas R. Stoughton, J. McConnaughy, D. Monks, M. Volke 2010-4-22 165 Riverside Sonoran (Colorado) Desert, McCoy Wash, north of Hwy I-10, road north from Black Rock Road, south side of private land boundary 244 Comment
  UCR50880  Camissonia boothii A. C. Sanders 1988-5-11 7801 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal, east of the gasline road from Niland 549 Comment
  UCR88112  Camissonia boothii A. C. Sanders, G. Nuhn 1995-4-20 16589 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
  RSA387327  Camissonia boothii subsp. condensata Aaron Liston, T. S. Elias, O. R. Dorado, S. Zona 1986-11-29 642 -1 Riverside Colorado Desert. West of Chiriaco Summit. Comment
  RSA680555  Camissonia boothii subsp. condensata Scott D. White, Michael Honer 2003-4-30 9134 Riverside Shavers Valley. About 1-2 miles south west of unnamed freeway exit at pumping station. 396 Comment
  RSA795944  Camissonia boothii subsp. condensata Duncan S. Bell 2009-4-19 276 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  RSA523538  Camissonia californica Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3998 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR96880  Camissonia californica Scott D. White 1993-3-12 1183 Riverside Near Winchester 466 Comment
  RSA793460  Camissonia cardiophylla Duncan S. Bell, John Anderson, Keir Morse 2012-11-11 4374 Riverside Mecca Hills: upper branch of Hidden Spring Canyon, approximately 0.6 air mile southeast of Hidden Spring and 0.6 air mile south of The Grotto. 250 Comment
  UCR82896  Camissonia cardiophylla A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15813 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  POM13089  Camissonia chamaenerioides E. C. Jaeger 1920-3-1 s.n. Riverside Palm Springs Comment
  HSC94215  Camissonia cheiranthifolia D. Atwood 1993-3-27 17699 Riverside Corona Del Mar State Park along Newport Coast Drive 0 Comment
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Jul 14 2012
  RSA0014453  Camissonia claviformis Justin M. Wood, J. Miner 2010-4-29 1526 Riverside Coachella Valley: Bermuda Dunes. Near intersection of Avenue 38 and Varner Rd. 37 Comment
  RSA0043366  Camissonia claviformis Marc A. Baker, Amy Robinson, Chris Hackbarth, Michelle Cloud-Hughes 2013-3-19 17703 Riverside Palo Verde Mesa, 14 km SW of Blythe, 6 km ENE of north end of the Mule Mountains. 118 Comment
  RSA172298  Camissonia claviformis subsp. aurantiaca Robert F. Thorne 1963-3-29 32363 Riverside 5 miles E of Mecca, Mecca Hills. 152 Comment
  RSA449185  Camissonia claviformis subsp. aurantiaca N. C. Cooper 1949-3-15 3034 Riverside North of Palm Springs. 122 Comment
  SDSU3357  Camissonia confusa H. Wedberg 1958-5-18 307 Riverside At Pinon Flat Campground, San Jacinto Mountains. Comment
  UCR163340  Camissonia hirtella T. B. Salvato, Kelly Volansky 2003-3-27 133 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  UCR176187  Camissonia hirtella Amber Bruno 2005-4-14 17 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
  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
  UCR98676  Camissonia hirtella S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  UCR17932  Camissonia pallida A. C. Sanders 1976-4-20 00461 Riverside San Jacinto/Santa Rosa Mtns., 9.5 mi. SE of Anza in White Wash, a tributary of Coyote Canyon 976 Comment
  JOTR30663  Camissonia pallida subsp. pallida Andre, Jim, Tasha La Doux 2008-3-21 8841 Riverside Joshua Tree National Park. Lower Wilson Wash along NE side of paved road 852 Comment
  RSA3773  Camissonia pallida subsp. pallida L. R. Abrams 1926-3-27 s.n. Riverside Cabazon. Comment
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Mar 13 2011
  RSA504978  Camissonia refracta D. Charlton 1988-2-25 1167 Riverside Box Canyon Wash between the Mecca Hills and Orocopia Mountains, 10 miles S of I-10 and N of Mecca and Salton Sea 305 Comment
  UCR163087  Camissonia refracta B. G. Pitzer 2000-5-7 4146 Riverside Sonoran (Colorado) Desert, extreme north end of Orocopia Mountains, Shavers Valley, at base of hills c. 0.5 mi. SE of Box Canyon Road. 341 Comment
  RSA395908  Camissonia strigulosa Steve Boyd 1986-4-22 1774 Riverside Temescal Canyon: Horsethief Wash N of Temescal Cyn. Road. Comment
  RSA454106  Camissonia strigulosa N. C. Cooper 1944-4-23 1102 Riverside Banning. 701 Comment
  UCR120168  Camissonia strigulosa Mitch Provance 1998-3-5 187 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
  RSA559318  Camissonia strigulosa Steve Boyd, T. S. Ross, Dave Bramlet 1993-5-13 7369 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Los Alamos Canyon at mouth of Wildhorse Canyon. 412 Comment
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Mar 24 2013
  UCD103434  Camissoniopsis bistorta A. C. Sanders; T. B. Salvato 2000-5-25 23428 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
  UCSB39999  Camissoniopsis bistorta Sauls, Mary 1978-4-24 Riverside 1 mile south of Glen Eden road on State Hwy 15 Comment
  UC10417  Cardamine californica var. integrifolia W. H. Brewer Jan 1861 138 Riverside Agua Fria Canyon; Santa Ana Mountains Comment
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Jul 5 2010
  POM259161  Carex alma Phillip A. Munz 1938-8-14 15366 Riverside Head of Black Rabbit Canyon, Toro Peak, Santa Rosa Mountains. 2378 Comment
  RSA180427  Carex densa E. W. Lathrop 1959-4-26 4503 Riverside 14 miles W of Murrieta - Tenaja Plateau. Comment
  SD112259  Carex fracta Darley F. Howe 1941-6-8 1295 Riverside San Jacinto Mountains; Strawberry Creek. Comment
  RSA764697  Carex praegracilis Scott D. White, Justin M. Wood 2008-6-24 12284 Riverside San Timoteo Canyon. Meadow along San Timoteo Creek. 640 Comment
  UC146414  Carex sartwelliana Charlotte M. Wilder 1909-7-14 918 Riverside above Idylwild (Strawberry creek); San Jacinto Mt. Comment
  SD112272  Carex senta Darley Howe 1941-6-8 1333 Riverside San Jacinto Mts, Strawberry Creek. Comment
  CHSC88465  Carex triquetra L. P. Janeway 2004-5-8 8060 Riverside Peninsular Ranges. Santa Ana Mountains; San Mateo Canyon, along Tenaja Trail about 650 m south-southwest of trailhead at Wildomar Road. 375 Comment
  RSA614159  Carex triquetra Darin L. Banks 1997-2-23 1318 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  UCR121189  Carex triquetra D. E. Bramlet 1990-4-26 1973 Riverside Rawson Canyon, c. 6300 ft. (1.2 mi.) south of Crown Valley and 8,500 ft. NW of Black Mountain 585 Comment
  RSA703538  Carthamus tinctorius R. E. Riefner Jr. 2004-4-27 04 -144 Riverside Morreno Valley, south of Allesandro St. near Merwin St. and Kimber Ave. 354 Comment
  UCR58883  Castela emoryi J. M. Stewart 1989-10-17 613 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, c. 2.5 mi. west of Wiley's Well Comment
  UCR213468  Castilleja affinis A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37836 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
  POM99033  Castilleja angustifolia E. C. Jaeger 1926-3-24 s.n. Riverside White Tanks, Western end of Pinto Mts. Comment
  UCR104192  Castilleja applegatei subsp. martini Scott D. White 1997-5-18 5182 Riverside San Jacinto Mtns., 'Black Mountain Scenic Area,' Black Mountain Trail between Hwy 243 and Cinco Poses Trail junction 1829 Comment
  RSA289455  Castilleja applegatei subsp. martinii R. C. Bacigalupi, L. R. Heckard, C. L. Custer 1953-5-5 4076 Riverside 1.1 miles souh of Keen Summit, along State Highway 74. 1524 Comment
  UC1012299  Castilleja applegatei subsp. martinii F. W. Pennell and A. L. Grant 1940-4-28 25283 Riverside w slope San Jacinto Range (Route 74) 1402 Comment
  OBI35636  Castilleja exserta Norman C. Cooper 1944-4-21 1127 Riverside Banning 701 Comment
  RSA701409  Castilleja exserta Steve D. Boyd, Aydee Virgen 2004-4-13 10870 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  RSA262097  Castilleja foliolosa E. W. Lathrop 1971-3-24 7466 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  RSA586138  Castilleja foliolosa D. L. Banks 1995-4-11 181 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the Dripping Springs Trail. 780 Comment
  RSA772853  Castilleja foliolosa Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4838 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
  RSA615324  Castilleja minor subsp. spiralis Scott D. White 1997-5-25 5223 Riverside Bautista Canyon: Along Bautista Canyon Rd., less then 1.3 road miles NW of Hixon Tralhead (USFS NO. 2E43) 701 Comment
  UC495228  Castilleja minor subsp. spiralis Commander Dammers Oct 1930 Riverside Palm Springs Comment
  UC57006  Castilleja minor subsp. spiralis F. Gilman 1902-1 35 Riverside Palm Springs Comment
  UCR262250  Castilleja minor subsp. spiralis T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3733 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  RSA709075  Caulanthus heterophyllus 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
  UC1595632  Caulanthus heterophyllus Steve Boyd and Dave Bramlet 1991-5-13 6242 Riverside n side Domenigoni-Diamond Valleys ese Winchester (Domenigoni Hills, s of s-end Warren Rd.); Domenigoni Hills, n side Domenigoni-Diamond Valleys ese Winc 548 Comment
  UCR136314  Caulanthus heterophyllus Virginia Moran 2003-3-30 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and west of Wilson Creek 915 Comment
  UCR62239  Caulanthus heterophyllus Don Mitchell 1990-4-30 s.n. Riverside W side of Sage Road, 1/2 mi south of iuntersection with Wilson Valley Road. 701 Comment
  SD229234  Ceanothus cordulatus Dick Schwenkmeyer 2012-6-27 748 Riverside Strawberry Creek, 1/4 mile northwest of Humber Park, Idyllwild. 1914 Comment
  RSA570225  Ceanothus crassifolius Steve Boyd, Tim S. Ross 1993-3-23 7894 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
  RSA570244  Ceanothus crassifolius Steve Boyd, Tim S. Ross 1993-3-23 7898 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
  RSA575060  Ceanothus cuneatus Steve Boyd 1981-3-4 810304 -e Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  UC1070667  Ceanothus greggii R. St. John 1929-11-1 19 Riverside Milliard Canyon San Jacinto quad. 914 Comment
  UC1861762  Ceanothus leucodermis Steve Boyd, Valerie Soza 2004-6-22 11553 Riverside Peninsular Ranges: San Jacinto Mountains region: Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along forest service road 5N13 near 5N06. 1463 Comment
  UCR68476  Ceanothus ophiochilus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3097 Riverside Peninsular Range, Vail Lake area, 1 mi. west of lake 640 Comment
  UCR54252  Ceanothus palmeri David Charlton 1988-5-21 1955 Riverside San Jacinto Mtns., Thomas Mtn Rd, west of Garner Valley and south of Lake Hemet on Hwy 74 1829 Comment
  POM254871  Ceanothus papillosus var. roweanus W. Pequegnat s.n. Riverside 7 mi. south of Sierra Peak, on Main Divide Rd. 1159 Comment
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Nov 20 2010
  CAS-BOT-BC51922  Ceanothus perplexans R. F. Hoover 1969-4-13 11227 Riverside Pinyon Flat, San Jacinto Mts. Comment
  UCR46712  Ceanothus tomentosus D. C. Hawks 1987-3-2 s.n. Riverside Peninsular Range; San Jacinto Mtns. Region, south of Hemet, [near confluence of Pixley Canyon and Goodhart Canyon] intersection of Palm Ave. and Saddle Ridge Rd. 473 Comment
  UCR92781  Ceanothus tomentosus Scott D. White 1994-3-29 1936 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  SBBG68539  Ceanothus vestitus R. Hoffmann 1929-9-11 Riverside Hamilton Grade Comment
  UCR207552  Celtis australis O. F. Clarke 2003-10-6 s.n. Riverside Peninsular Range; Box Springs Mtns. Foothills, Riverside, UCR campus 366 Comment
  UCR62354  Centaurea repens O. F. Clarke 1990-5-24 s.n. Riverside Riverside, intersection of Jackson Street and Victoria Avenue Comment
  HSC80293  Centromadia pungens subsp. laevis Steve Boyd 1985-8-7 1114 Riverside Murrieta area, Clinton Keith Rd. near (just E of) Bear Creek golf course Comment
  JEPS106968  Centromadia pungens subsp. laevis Jasmine Watts 2005-7-19 19 Riverside Hemet, S of CA-74 and W of Warren Road Comment
  SD187336  Centromadia pungens subsp. laevis R. E. Riefner Jr., K. Campbell 2007-5-19 07 209 Riverside Temecula, Western Bypass Rd. near Highway 79; end of Western Bypass Rd. at Murrieta Creek. 309 Comment
  POM172023  Centrostegia thurberi P. A. Munz 1930-5-1 11923 Riverside Dry Morongo Valley, Colorado Desert Comment
  UCR63956  Centrostegia thurberi Chet McGaugh 1990-7-31 s.n. Riverside Peninsular Range, SW Durasno Valley, south of town of Anza 1372 Comment
  RSA496460  Cerastium glomeratum Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-3-31 3076 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 427 Comment
  RSA85475  Cerastium glomeratum J. C. Roos 1952-4-16 5556 Riverside Pigeon Pass, Box Springs Mountains 457 Comment
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May 21 2011
  RSA405370  Cercidium floridum Christopher Davidson 1979-4-4 7689 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  SEINET5543500  Cercocarpus betuloides R. H. Whittaker, W. A. Niering 1961-1 s.n. Riverside San Jacinto Mountians. 1524 Comment
  UCR187470  Cercocarpus betuloides Diane Menuz, Carlos Navarro, Andrea Salzman 2006-3-24 018 Riverside Peninsular Range; Santa Ana Mtns., Elsinore Peak, Cleveland National Forest, next to fenced off radio towers 1069 Comment
  UC1366083  Cercocarpus betuloides var. betuloides Nancy Ryan Zabriskie and Walter Zabriskie 1969-7-5 216 Riverside Idyllwild, Pine Cove, near fier road beyond s end of Marion Ridge Road Pine Cove; Idyllwild, Pine Cove 1828 Comment
  UC56988  Cercocarpus betuloides var. betuloides H. M. Hall April, 1902 2894 Riverside vicinity of Sage; Southern California 609 Comment
  SDSU12979  Cercocarpus minutiflorus Michael G. Simpson 1999-10-27 2035 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  UCR65288  Cercocarpus minutiflorus Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3882 Riverside Peninsular Range, Vail Lake area, cinder cone ridge at north side of mouth of Temecula Creek Canyon and adjacent benches on S flank of 'Big' Oak Mtn. 549 Comment
  CAS-BOT-BC279539  Chaenactis artemisiifolia Cecil Hart 1922-5-21 20 Riverside San Jacinto Mt. Comment
  POM17803  Chaenactis artemisiifolia Philip A. Munz 1923-6-14 7057 Riverside Glen Ivy Trail to Santiago Peak 1066 Comment
  UCR262260  Chaenactis artemisiifolia T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3725 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  CAS-BOT-BC276387  Chaenactis carphoclinia Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  UCD130229  Chaenactis carphoclinia James Henrickson 1963-3-29 1224 Riverside 12 miles west of Desert Center, near Eagle Mount Pumping Station. 533 Comment
  HSC5288  Chaenactis carphoclinia var. carphoclinia C. L. Hitchcock 1966-3-20 24314 Riverside 5 miles N of Milpitas Wash and 12 miles NW of Blythe-Glamis Rd. Comment
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Mar 2 2013
  JEPS9002  Chaenactis fremontii Dr. L. M. Newlon 1922-1-1 424 Riverside 6 mi w of Indian Wells Comment
  RSA80990  Chaenactis fremontii G. R. Campbell 1952-4-5 18376 Riverside Colorado Desert, road leading from Highway 60 to 29 Palms [Hwy 62], at junction to Desert Hot Springs 762 Comment
  UC34697  Chaenactis fremontii H. M. Hall 1902-4-11 2807 Riverside Coyote Canon Colorado Desert, Coyote Canon 152 Comment
  SD227733  Chaenactis glabriuscula A. C. Sanders 1994-5-29 14546 Riverside San Bernardino Mountains: Morongo Indian Reservation, slopes among hills on the low pass between Millard Cyn. And Potero Cr 750 Comment
  UCR133958  Chaenactis glabriuscula Mitch Provance, J. S. Ross 1998-3-27 MOR- 968 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, just south of the juction with the NE bound road to Deep Cyn. 915 Comment
  UCR262227  Chaenactis glabriuscula T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3706 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  UCR34889  Chaenactis glabriuscula L. B. Ziegler 1967-4-18 117 Riverside San Jacinto Mtns, Foothills of the mountains, Soboba Indian Reservation, Poppet Flat Rd 581 Comment
  CAS-BOT-BC277411  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1986-4-19 1707 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road Comment
  HSC85256  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1986-4-22 1744 Riverside Stable alluvial benches of Indian Wash just S of Interstate Hwy 15 Comment
  POM12897  Chaenactis glabriuscula var. glabriuscula Philip A. Munz 1922-6-30 5916 Riverside Santa Rosa, Santa Rosa Mountains. 1982 Comment
  RSA615322  Chaenactis glabriuscula var. glabriuscula Scott D. White 1997-5-25 5222 Riverside Bautista Canyon: Along Bautista Canyon Rd., less then 1.3 road miles NW of Hixon Tralhead (USFS NO. 2E43) 701 Comment
  UCR121082  Chaenactis glabriuscula var. glabriuscula A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24968 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  CAS-BOT-BC277548  Chaenactis glabriuscula var. lanosa H. M. Hall 1901-6-1 2165 Riverside San Jacinto Mountains. Thomas Valley 1371 Comment
  RSA741203  Chaenactis glabriuscula var. lanosa Scott D. White, Justin M. Wood 2008-5-15 11965 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. 1357 Comment
  JEPS8902  Chaenactis xantiana Marjorie D. Clary 1932-5-26 1652 Riverside Pleasant Valley Colorado Desert, , Hexie Mt. 1066 Comment
  RSA659661  Chamaesyce albomarginata J. C. Roos 1951-9-25 5269 Riverside Fairmount 259 Comment
  RSA734752  Chamaesyce parishii L. C. Wheeler 1952-4-5 6850 Riverside Neat Canyon east of Painted Canyon. Comment
  RSA0080444  Chamaesyce polycarpa Sarah J. De Groot, Amy Rouillard 2015-9-15 7575 Riverside Along Eagle Mountain Road north of I-10, at large wash crossing. West of Desert Center, western Chuckwalla Valley. 314 Comment
  RSA0111977  Chamaesyce polycarpa Duncan S. Bell 2009-8-15 415 Riverside Northwest of the Arica Mountains. 286 Comment
  SBBG33968  Chamaesyce polycarpa L. S. Rose 1966-12-11 Riverside La Quinta 91 Comment
  UC56927  Chamaesyce polycarpa H. M. Hall May 17 1901-Jun 1 1901 Riverside Palm Canyon 457 Comment
  RSA628535  Chamaesyce serpillifolia A. C. Sanders, T. Tennant, J. S. Ross 1998-8-20 22212 Riverside Morongo Indian Reservation, East Branch of Millard Canyon 1128 Comment
  IRVC17315  Cheilanthes clevelandii Gordon A. Marsh, Karlin G. Marsh 1979-12-6 s.n. Riverside Leveland National Forest; Trabuco District; canyon S of GS07 (Main Divide Road); ca. 1 mile E of Ortega Highway (74). Peninsular Ranges, Santa Ana Mountains Comment
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Apr 6 2013
  RSA612813  Cheilanthes clevelandii Darin L. Banks 1997-3-1 1356 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Pechanga Creek, east of the ''Fiesta Grounds'' to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation. 423 Comment
  UCR155951  Cheilanthes covillei Scott D. White 1994-4-23 2031 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
  UC42541  Cheilanthes newberryi Brewer 1861-1-30 148 Riverside Temescal Range Comment
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Jan 1 2015
  UCR113893  Cheilanthes newberryi Mitch Provance 1998-4-14 444 Riverside Jurupa Mountains, Crestmore Heights, E. Rattlesnake Mt., 'Oak Knoll' about 0.5 km west of Rubidoux Blvd., across the street from the Crestmore Mines at the Riverside Cement Company. 396 Comment
  CAS-BOT-BC68092  Cheilanthes parryi John Thomas Howell 1927-8-1 2886 Riverside N. Colorado Desert - steep sides of Morongo Canyon 609 Comment
  UCR23337  Cheilanthes parryi John C. Roos 1942-5-1 1142 Riverside Sonoran (Colorado) and Mojave Desert Transition/Transverse Range; San Bernardino Mtns, Dry Morongo Canyon Comment
  POM9750  Cheilanthes parryi Philip A. Munz 1921-12-31 4700 Riverside Andreas Canyon, Colorado Desert. Comment
  RSA125851  Cheilanthes viscida E. K. Balls, Percy C. Everett 1957-11-13 22798 Riverside Snow Creek, about old Fish Hatchery 701 Comment
  RSA785467  Chenopodium album A. C. Sanders, Mitch Provance 2000-10-16 23722 Riverside railroad right of way between Watkins Dr. and Campus View Dr., near site of Lemona siding 335 Comment
  UCR114192  Chenopodium berlandieri A. C. Sanders, D. Malueg, K. D. Jones, et al 2000-9-8 23634 Riverside Perris-Aguanga Basin Region, gasline right of way across Pinto and Hoopes Ranches, east of Briggs Road at and near Warm Springs Creek, south of Scott Rd. 415 Comment
  UCR151423  Chenopodium berlandieri D. L. Banks 1997-5-1 1379 Riverside NW Palomar Mountains, Agua Tibia Mountains, Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and along Pechanga Creek 335 Comment
  NY990883  Chenopodium californicum S. D. Boyd 1990-3-30 3970 Riverside Vail Lake area, valley between Black Hills and Rocky Ridge. 701 Comment
  SD224924  Chenopodium californicum Scott D. White 1996-3-23 3845 Riverside Santa Rosa Hills, SE of Hemet (Loomis property: Friendly Hills Ranch). USGS 7.5' Hemet topo. 320 Comment
  SEINET1908503  Chenopodium fremontii A. C. Sanders, Mitch Provance 2008-1 35780 Riverside Peninsular Range; San Jacinto Mtns.; FS road 5S02 to Coldwater Creek below road to helipad, 1 mi. NE of Mountain Center, c. 1/2 mile NE of Keenwild Fire Station. 1463 Comment
  UCR266459  Chenopodium missouriense Mitch Provance 2012-11-9 612 51 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
  UCR113772  Chenopodium murale Mitch Provance 2000-7-30 2174 A 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
  UCR166724  Chenopodium murale Scott D. White, Jennifer H. Jones 2005-4-12 10862 Riverside Coachella Valley, Indio area, vacant land NE of the I-10 Freeway interchange at Jefferson 18 Comment
  RSA286100  Chenopodium murale John F. Emmel 1980-10-5 761 Riverside Hemet; 0.9 air mile WNW of peak of Reservoir Butte. 523 Comment
  POM177958  Chenopodium pumilio C. F. Lackey 1931-6-30 s.n. Riverside Citrus Experiment Station grounds, Riverside. Comment
  RSA0012646  Chilopsis linearis April Garbat, Kristin Forgrave 2013-5-29 74 Riverside Along Box Canyon Rd from Cottonwood Springs Rd to Mecca. 305 Comment
  RSA455302  Chilopsis linearis H. de Forest 1932-8-27 s.n. Riverside Beaumont-Banning Pass. Comment
  RSA455304  Chilopsis linearis A. Menke 1955-4-25 s.n. Riverside Palm Canyon. Comment
  SD237355  Chilopsis linearis A. C. Sanders, Mitch Provance 2008-7-11 35824 Riverside South Coast: San Jacinto Valley: Gilman Springs Road, 1.13 mi. (air) south of Eden Hot Springs, below Mt. Eden. 449 Comment
  SFV3471  Chilopsis linearis M. L. Vincent, R. H. Swade 1963-10-19 452 Riverside Snow Creek Road, 2 miles from its intersection with California State Highway 111. 366 Comment
  IRVC28188  Chilopsis linearis subsp. arcuata Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11264 Riverside Choclate-Chuckwalla Mtns region; W base of the Choclate Mtns, along Gas Line Road in major wash system W of Iris Wash drainage. Within boundary of US Navy Choclate Mtn Aerial Gunnery Range Colorado Desert 570 Comment
  LA99447  Chilopsis linearis subsp. arcuata Hisao P. Arai; 1957-4-18 sn Riverside Box Canyon, near Mecca; off Highway 195 Comment
  SEINET10550589  Chilopsis linearis subsp. arcuata Robert F. Thorne, S. T. Blake 1965-6-1 Thorne 34714 Riverside Morongo Valley pass 488 Comment
  UCR18830  Chlorogalum pomeridianum John C. Roos 1952-6-8 5749 Riverside Reche Canyon 549 Comment
  SD145982  Chorispora tenella A. C. Sanders 1998-3-11 21695 Riverside Shipley/Skinner Reserve area: Diamond Valley, along State Street (R3) ca. 1/2 mile N of Newport Rd., S. of Hemet 487 Comment
  CAS-BOT-BC191699  Chorizanthe brevicornu var. brevicornu Javier Penalosa 1963-4-10 2786 Riverside Deep Canyon, 3 mi S of Palm Desert 213 Comment
  POM122108  Chorizanthe brevicornu var. brevicornu Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA392607  Chorizanthe brevicornu var. brevicornu M. B. Dunkle 1933-5-6 3450 Riverside Painted Canyon Comment
  SD127572  Chorizanthe corrugata David Charlton 1988-2-19 1204 Riverside Orocopia Mtns. Mudstone Wash N of Mecca Hills, Box Canyon on road from Cottonwood Wash to Mecca 305 Comment
  UCR13297  Chorizanthe corrugata O. F. Clarke 1973-4-1 s.n. Riverside Sonoran (Colorado) Desert, Plateau above Box Canyon, along State Hwy 195, c. midway between Hwy I-10 and the Salton Sea Comment
  SD134411  Chorizanthe leptotheca Craig Reiser 1990-5-31 Riverside Vail Lake Comment
  UCR93059  Chorizanthe leptotheca Steve Boyd 1986-4-19 1706 Riverside Peninsular Range, Temescal Canyon, east side of Indian wash between I-15 and Temescal Canyon Road 351 Comment
  UCR176170  Chorizanthe polygonoides subsp. longispina John F. Green 2006-5-10 s.n. Riverside Peninsular Ranges, City of Murrieta; south of the Hogbacks. north of Hunter Road to Ramage Lane, between Calle de Amor on the E and Springview/Kiwebre Road on the W 402 Comment
  HSC85463  Chorizanthe polygonoides var. longispina Steve Boyd 1986-4-2 1587 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  RSA16359  Chorizanthe procumbens Percy C. Everett 1935-6-18 7173 Riverside Santa Ana Mountains, San Juan Canyon, near Ortega Highway on road [North Main Divide Road] to Santiago Pk. 701 Comment
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Dec 29 2009
  CAS-BOT-BC246239  Chorizanthe rigida Ira L. Wiggins 1941-3-24 9583 Riverside along eastern side of Salton Sea 1 mile north of Imperial County line Comment
  JEPS57723  Chorizanthe rigida W. L. Jepson 1927-4-12 11665 Riverside Mecca Hills Painted Canyon, Mecca Hills 76 Comment
  RSA392741  Chorizanthe rigida N. C. Cooper 1949-4-8 3248 Riverside Indio. Mecca Pass, east of Indio. 457 Comment
  RSA559921  Chorizanthe rigida Steve Boyd, Carol Boyd, Kyle Boyd 1992-4-19 6910 Riverside N end of the Granite Mtns on sandy bajada along poweline road near jtn of Hwy 177 and Hwy 62. Area of transition between Mojave and Colorado Deserts. Comment
  RSA0098331  Chorizanthe xanti var. leucotheca Marc A. Baker, Danny Cuellar, Youssef Atallah, Elizabeth Kempton 2015-4-13 18313 Riverside San Gorgonio Pass, 5.5 km WNW of White Water, 20 km NW of Palm Springs. 456 Comment
  UCR127571  Chorizanthe xanti var. leucotheca D. E. Bramlet 2003-4-18 3378 Riverside Base of San Jacinto Mtns., on spoil pile, 2,226m south of Cabazon, 2,287m northwest of Cabazon Peak, and 518m northwest of the Colorado River Aqueduct 548 Comment
  SD248476  Chorizanthe xanti var. xanti Lee A. Ripma 2008-6-25 130 Riverside Peninsular Ranges: San Jacinto Mountains: Alvin Meadows (Blackburn Canyon 7.5'Q) 1467 Comment
  POM351998  Chrysothamnus nauseosus subsp. mohavensis H. de Forest, Jack Rempel 1932-10-23 16157 Riverside Between Palm Springs and Whitewater along snow creek 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
  UCR177274  Chrysothamnus paniculatus Scott D. White, Michael Honer 2003-5-13 9250 Riverside San Bernardino Mtns, Whitewater Canyon, c. 2 miles north of Bonnie Bell 640 Comment
  UCR89596  Chrysothamnus teretifolius Bern Schwenn 1994-4-29 s.n. Riverside Little San Bernardino Mtns., Joshua Tree National Park, E side of Lost Horse Valley, along California Riding & Hiking Trail, east of Ryan Campground. At junction of trail with old road from Lost Horse Well to Lost Horse Mine, just west of Pass. 1329 Comment
  UCD103735  Chylismia brevipes William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  UCR279556  Chylismia brevipes subsp. brevipes A. C. Sanders, Jim Malusa 2017-3-29 43177 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 4 km SSE (164 deg. ) of the confluence of Red Canyon and Salt Creek 518 Comment
  SDSU21592  Chylismia claviformis Duncan S. Bell 2010-5-1 889 Riverside Arica Mountains: northwest section of project area, ca. 10.5 air miles southwest of the ghost town of Rice, and ca. 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  UC1184359  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-3-15 11847 Riverside 4.5 mi e turn to Painted Canyon; Box Canyon Comment
  UC66498  Chylismia claviformis subsp. aurantiaca E. E. Schellenger 1904-4-10 75 Riverside Whitewater Ranch Colorado Desert Comment
  UC68523  Chylismia claviformis subsp. aurantiaca H. M. Hall Apr. 1905 5805 Riverside 10 mi w Coachella; Colorado Desert 91 Comment
  CAS-BOT-BC289648  Cirsium occidentale var. californicum R. M. Howie 1952-5-1 s.n. Riverside San Timoteo Canyon, 5 miles w. of Beaumont Comment
  SEINET3102065  Cirsium occidentale var. californicum Marc A. Baker, Michelle Cloud-Hughes 2011-6-10 17365 Riverside Along Morris Ranch Road, 400m north of Kenworthy Station, 4km west of Butterfly Peak, west base of San Jacinto Mountains, Garner Valley, just east of Thomas Mountain. 1420 Comment
  UCR49457  Cirsium occidentale var. californicum A. C. Sanders, B. Pitzer 1987-4-21 7048 Riverside Box Springs Mountains, near southernmost radio towers. 793 Comment
  CAS-BOT-BC286461  Cirsium scariosum Cecil Hart 1922-5-21 26 Riverside San Jacinto Mt. 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
  RSA0017423  Cistanthe ambigua Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  UCR166147  Clarkia dudleyana T. B. Salvato, John F. Green 2004-5-27 567 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1402 Comment
  SDSU8708  Clarkia purpurea Wende E. Rehlander 1983-5-22 105 Riverside Open rolling hills in upper part of Reche Canyon, approx. 7.5 miles from NW end of Reche Canyon Road, 0.5 mi. SE of Console Springs, and about 5 mi. south of Redlands. Comment
  SD187445  Clarkia similis Scott D. White, Angelia Carey 2004-4-16 10159 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. (Lake Fulmor) 548 Comment
  RSA612490  Claytonia parviflora D. L. Banks 1997-2-23 1327 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  RSA741160  Claytonia parviflora subsp. parviflora Scott D. White, Justin M. Wood 2008-5-15 11996 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  UCR121658  Claytonia perfoliata subsp. intermontana A. C. Sanders 1997-3-19 20019 Riverside Lake Skinner area, Lower Rawson Canyon at 3-way road junction (heron rookery site) c. 1 km NE of the lake 457 Comment
  RSA359868  Claytonia perfoliata subsp. mexicana Steve Boyd 1986-4-2 1613 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 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
  CAS-BOT-BC92821  Clematis pauciflora Peter H. Raven 1959-4-23 14019 Riverside 2.7 miles west of Dripping Springs. Comment
  UCR116896  Clematis pauciflora A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24203 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  UCR21840  Clematis pauciflora Steve Boyd 1980-7-16 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, west edge of the reserve c. 1/4 mile north of the Motte's house 520 Comment
  UCR35164  Clematis pauciflora L. B. Ziegler 1968-3-5 267 Riverside San Jacinto Mtns., Foothills of Mtns. Hillsides at edge of Diamond Valley 488 Comment
  RSA440806  Cleome isomeris C. Cunningham 1941-2-9 s.n. Riverside 29 Palms Junction. 366 Comment
  RSA440817  Cleome isomeris M. B. Dunkle 1933-3-3 3030 Riverside Garnet Station, Colorado Desert 91 Comment
  UCR232358  Cnicus benedictus John F. Green 2008-4-16 A- 02 Riverside Peninsular Range; Perris-Aguanga Valley, SE edge of Romoland, edge of electrical power station, between Menifee and Palomar roads 446 Comment
  UCR175218  Collinsia Jennifer H. Jones 2006-6-6 396 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; lower ele. part of San Juan Loop Trail, N of Upper San Juan Campground 518 Comment
  RSA0117419  Collinsia concolor B. L. Phillips 1988-4-29 s.n. Riverside Vail Lake, E of Temecula, in canyon S of, and draining into, SW finger of lake. Comment
  RSA0117423  Collinsia concolor Steve D. Boyd, C. Boyd, K. Boyd, R. Noyes, L. Arnseth 1988-5-28 2263 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  UCR91278  Collinsia concolor Scott D. White 1995-4-5 2748 Riverside Perris Valley, Lakeview Mountains; SW of Juniper Flat Road 579 Comment
  RSA0018457  Collinsia concolor J. C. Marvin 1923-01 s.n. Riverside Idyllwild. Comment
  UCR15986  Collinsia heterophylla K. T. Seng 1966-3-27 660327 2 Riverside Riverside, 0.5 miles north corner of Wood and Roberts. About 4 miles from freeway 395. Woodcrest area. 488 Comment
  UCR37033  Commelina erecta Steve Morgan 1984-7-17 s.n. Riverside U.C. Riverside Botanic Garden, beside the road below the office. 366 Comment
  SEINET13203237 Image available Condalia globosa A. C. Sanders, Tim Thomas, T. B. Salvato 2012-1 40508 Riverside Sonoran (Colorado) Desert: Chuckwalla Bench, south of the Chuckwalla Mtns., along Bradshaw Trail 1 km SE of Augustin 695 Comment
  RSA385890  Conium maculatum Steve Boyd 1986-4-22 1727 Riverside Temescal Canyon: Walker Canyon area, where Alberhill Creek (=Temescal Creek) flows between Alberhill Mtn. and Gavilan Hills. Comment
  RSA764525  Convolvulus arvensis Justin M. Wood 2010-9-8 2605 Riverside San Timoteo Canyon: Just SE of El Casco Substation along San Timoteo Creek. 640 Comment
  UCR158854  Convolvulus arvensis Scott D. White 1994-6-23 2093 Riverside Temecula/Murrieta Region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  RSA543137  Convolvulus simulans Steve Boyd, Timothy S. Ross, Hammitt 1991-5-2 6126 Riverside Vail Lake region, summit of Oak Mountain, N of lake near Henderson benchmark. 823 Comment
  RSA508338  Conyza bonariensis Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mtns., ca. 1 mi SE of town on Nuevo. 640 Comment
  SEINET4676048  Cordylanthus filifolius Robert F. Thorne, L. DeBuhr; Earl Lathrop; C. W. Tilforth 1975-8-29 47321 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro.; 0 610 Comment
  UC885642  Cordylanthus nevinii I. W. Clokey, E. G. Anderson 1935-8-21 6904 Riverside Fuller's Creek; San Jacinto Mts 1500 Comment
  JEPS6775  Cordylanthus rigidus subsp. setiger W. L. Jepson 1901-5-19 1269 Riverside on journey from San Jacinto River to Strawberry VAlley Upper San Jacinto Valley 609 Comment
  UCR243564  Coreopsis bigelovii Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21096 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
  RSA160875  Coreopsis californica Percy C. Everett 1962-4-13 24451 Riverside Temescal Canyon, Hwy 71, 0.5 miles S entrance to Glen Ivy. Comment
  UC729611  Coreopsis californica var. californica J. T. Howell 1929-2-14 1232 Riverside 2 mi s Glen Ivy; Temescal Canyon Comment
  SD90599  Crassula aquatica Robert F. Thorne, Earl Lathrop 1969-5-12 37923 Riverside Santa Rosa Plateau; large vernal marsh on south end of Mesa de Colorado, Rancho California. 625 Comment
  CAS-BOT-BC427778  Crassula connata John H. Thomas 1959-3-23 7573 B Riverside Between Banning and Cabazon, about 2 miles east of Banning near railroad tracks. 609 Comment
  RSA613463  Crassula connata D. L. Banks, Victor Steinmann 1997-3-13 1429 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  RSA681896  Crassula connata Scott D. White 2001-3-13 8164 Riverside Perris / Elsinore Basin: Menifee / Sun City area. Valleys and slopes east of Canyon Lake and west of Goetz Rd. 442 Comment
  SEINET7073458  Crassula connata 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
  CLARK-A1528-424  Crassula erecta Jim Ryan 1969-3-26 22 Riverside Riverside 426 Comment
  RSA654969  Cressa truxillensis A. C. Sanders, D. Malueg, K. D. Jones, et al. 2000-9-8 23637 Riverside Perris-Anuanga Basin Region: French Valley, gasline right of way just south of Los Alamos/Thompson Rd. on the east side of Briggs Rd., ca. 0.5 km NE of Adobe Spring E. 409 Comment
  RSA0125370  Crossosoma bigelovii Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8767 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
  RSA356896  Crossosoma bigelovii R. F. Thorne 1966-10-15 41781 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  UC495323  Crossosoma bigelovii P. A. Munz 1932-4-24 12398 Riverside Snow Creek Canyon San Jacinto Mts. 457 Comment
  POM91962  Crossosoma bigelovii Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  SBBG119149  Croton californicus M. Sripracha, K. Boyd 2004-2-14 5 Riverside Snow Crk, ca. 25 m from Snow Crk Rd, ca. 0.7 km S of St Hwy 111 352 Comment
  SD109129  Croton californicus Grady L. Webster, R. Hildreth 1966-12-11 7474 Riverside Aguanga Valley, hillsides above Aguanga. 640 Comment
  SFV2073  Croton californicus M. L. Vincent, R. H. Swade 1963-10-19 465 Riverside Snow Creek Road, 2 miles from its intersection with California State Highway 111. 366 Comment
  UC868669  Croton californicus Alice Eastwood 1913-4-30 3089 Riverside Palm Springs Comment
  UCD141968  Croton californicus Robert F. Thorne; C. W. Tilforth 1980-5-28 54159 Riverside San Bernardino Mts: Colorado Desert slopes, south-facing and west-facing, N-S rocky ridge at east side of Whitewater River at mouth of canyon. Around 1/4-1/2 mile east of Whitewater Post Office. Comment
  CLARK-A1528-431  Croton californicus subsp. californicus C. M. Flanagan 1973-6-13 OO 702 Riverside Morongo Indian Reservation 1158 Comment
  UCR193481  Cryptantha A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35575 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.25 mi SW of Fleming Ranch, near May Valley Rd. 1570 Comment
  UCR231780  Cryptantha John F. Green 2008-4-23 08- 24 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  POM15232  Cryptantha angustifolia Mary F. Spencer 1922-3-26 2010 Riverside Mecca -49 Comment
  POM368199  Cryptantha angustifolia T. W. Minthorn 1926-5-14 s.n. Riverside Between Banning and Palm Springs. Comment
  RSA27462  Cryptantha angustifolia I. L. Wiggins 1941-3-24 9562 Riverside 0.3 miles south of Myoma, 4.6 miles north of Indio. Comment
  SBBG104634  Cryptantha angustifolia T. Glenn 1991-5-2 91 -32 Riverside McCoy Mtns, NW of Blythe; T4S, R20E, S32 350 Comment
  SEINET3152142  Cryptantha angustifolia S. B. Parish 1907-4-15 6158 Riverside Western base of the Colorado desert. 450 Comment
  UCR224440  Cryptantha angustifolia Dave Silverman 2010-3-30 7871 Riverside Sonoran (Colorado) Desert, east flank of southern McCoy Mountains, 1.8 km W of Black Creek Rd, 7.0 km E of McCoy Peak, and 4.4 km north of I-10 175 Comment
  UCR224997  Cryptantha angustifolia Dave Silverman, A. C. Sanders 2010-3-23 7818 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, dunes at SSE tip of Palen Lake, 1.5 km SW of Palen Dunes Dr., 3.2 km N of I-10 and 8 km ESE of Sidewinder Well 130 Comment
  UCR228188  Cryptantha angustifolia Dave Silverman 2010-3-24 7825 Riverside Sonoran (Colorado) Desert, South Palen Lake, Chuckwalla Valley, 5.0 km SE of Sidewinder Well, 2.4 km SW of Palen Dunes Dr., and 3.7 km N of Interstate 10 130 Comment
  UCR269876  Cryptantha angustifolia A. C. Sanders, Jim Malusa 2016-3-18 42362 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  UCR52025  Cryptantha angustifolia Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2181 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  SD216465  Cryptantha barbigera Carol R. Annable 1995-3-10 2264 Riverside 1.6 kilometers South of Lake Cahiulla County Park. Comment
  GMDRC2333  Cryptantha barbigera var. fergusoniae J. Andre 2006-4-6 8148 Riverside Little San Bernardino Mountains: Joshua Tree National Park: approx 50 m. N. of Keys View Parking area. Elev. 5094 ft. 1553 Comment
  JOTR29584  Cryptantha barbigera var. fergusoniae Andre, Jim 2006-4-6 6716 Riverside Joshua Tree National Park. about 50 m. north of the Keys View Parking area 1552 Comment
  UCR211816  Cryptantha barbigera var. fergusoniae Valerie Soza, J. M. Porter, G. D. Wallace 2001-4-2 1082 Riverside Transverse Ranges, Little San Bernardino Mountains, Big Morongo Wash 473 Comment
  UC1601970  Cryptantha holoptera H. M. Hall Apr 1905 5786 Riverside 10 mi w Coachella; Colorado Desert, Marshall Canyon 30 Comment
  RSA495410  Cryptantha intermedia Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-12 2945 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  RSA673554  Cryptantha intermedia Scott D. White, Tasha La Doux 2000-4-20 7679 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  RSA699338  Cryptantha intermedia J. R. Bruff 1934-6-19 s.n. Riverside San Jacinto Mountains Comment
  SEINET244864  Cryptantha intermedia Ian G. Gillespie 2000-4-27 30 Riverside Temescal Valley; 0.9 mi SE of Indian Truch Train and 30 m S of DePalma Road. 412 Comment
  UCR165395  Cryptantha intermedia A. C. Sanders 2005-4-21 29576 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  RSA0124819  Cryptantha maritima Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8751 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
  RSA779597  Cryptantha maritima Duncan S. Bell 2009-3-7 24 Riverside Arica Mountains: collecting on the ridgeline of the mountain range just north of the summit along the border of the Palen/McCoy Wilderness area. 614 Comment
  VVC944  Cryptantha maritima G. K. Helmkamp 1998-2-18 2716 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; 0.3 mi S of Chuckwalla Rd. on Graham Pass Rd. 122 Comment
  POM305855B  Cryptantha micrantha Henry J. Ramsey 1938-4-23 1165 -B Riverside Santa Rosa Mtns. Comment
  SEINET10456362  Cryptantha micrantha David B. Dunn 1948-3-14 Dunn 3770 Riverside Found in flat open sands near Hidden Springs Ranch 5 mi S of the Indio Hills in the Colorado Desert. 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
  SDSU20871  Cryptantha microstachys Lee Ripma, Jim Rocks 2013-4-24 406 Riverside Proposed Spring Valley Raneh development project. On privately owned land. 550 Comment
  UC1979567  Cryptantha microstachys Darin L. Banks, Steve Boyd 1995-5-9 0403 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. Comment
  UCR220123  Cryptantha microstachys D. E. Bramlet 1991-5-1 2106 Riverside Peninsular Range, tributary of Rawson Canyon, 5500 ft. south of Crown Valley & 2600 ft. east of Rawson Canyon 642 Comment
  UCR228936  Cryptantha microstachys A. C. Sanders 2011-4-6 39004 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
  SD248351  Cryptantha muricata A. C. Sanders, T. B. Salvato 2014-7-2 41182 Riverside Peninsular Range; San Jacinto Mountains; Fobes Canyon, ca. 0.5 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  UCD119940  Cryptantha muricata var. jonesii C. L. Hitchcock 1966-3-15 24157 Riverside 1 mile east of Glen Ivy Hot Springs. Comment
  UCR18759  Cryptantha nevadensis John C. Roos, Lucille Roos 1949-4-11 4246 Riverside Sonoran (Colorado) Desert, N base of the Chuckwalla Mtns, south of Desert Center Comment
  UCR72186  Cryptantha nevadensis Theo Glenn 1992-3-31 92- 5 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  UCR89718  Cryptantha nevadensis J. M. Stewart 1993-3-10 685 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; Corn Springs Rd, 2 mi south of Chuckwalla Rd. Comment
  RSA0124031  Cryptantha nevadensis var. nevadensis Duncan S. Bell, LeRoy Gross 2016-3-10 8876 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; northwestern section of the range; collecting approximately 1.75 air miles northwest of the summit area. 938 Comment
  UCR118644  Cryptantha pterocarya var. pterocarya Helen Kennedy, Sara Mills 2001-3-17 5394 Riverside Mojave Desert, 0.8 mi from the junction of Hwy 10 & Cottonwood Springs Road, 100m SE of the entrance to Joshua Tree National Park 550 Comment
  JOTR29367  Cryptantha utahensis La Doux, Tasha, Bill Truesdell, Naomi Fraga 2006-4-26 1444 Riverside Joshua Tree National Park. Long Canyon; Stop 1, south end of Long Canyon, near Park boundary 547 Comment
  POM11166A  Cryptogramma acrostichoides Philip A. Munz 1922-9-7 6411 Riverside San Jacinto Peak, near the summit 3277 Comment
  RSA685634  Cryptogramma acrostichoides Anstruther Davidson 1876-7-11 9238 Riverside Top of Mount Jacinto Comment
  POM4559  Cucurbita palmata I. M. Johnston 1918-5-30 1999 Riverside Between Elsinore and Perris. 548 Comment
  SBBG35570  Cuscuta californica D. Myrick 1966-4-2 1330 Riverside Palms to Pines Hwy 74 ca. 3 mi W of Palm Desert Comment
  POM319077  Cuscuta ceanothi Patricia Wilder 1972-2-18 5359 Riverside North side of Norco, along the Santa Ana River at the end of Pedley St. 229 Comment
  RSA614688  Cuscuta ceanothi A. C. Sanders, T. Schram, D. Wappler 1994-10-6 15792 Riverside (N slope): nameless tributary of Azalea Creek, Twin Pines Creek drainage. 1192 Comment
  UCR182506  Cuscuta salina Mitch Provance 2005-5-17 6562 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  UC718129  Cylindropuntia californica var. parkeri Carl B. Wolf 1939-2-24 9491 Riverside 2.4 mi n Aguanga (on road to Anza) 762 Comment
  POM172121  Cymopterus panamintensis var. acutifolius M. French Gilman 1930-4-6 7 Riverside [Monsen] Canyon, Eagle Mts. Comment
  RSA278506  Cymopterus panamintensis var. acutifolius John F. Emmel, Thomas Emmel 1964-3-24 s.n. Riverside Lost Palms Canyon, Joshua Tree Nat. Monument. Comment
  UC1518769  Cymopterus panamintensis var. acutifolius John F. Emmel 1974-4-27 486 Riverside 0.4 air mi ne of Peak 3263 (on 1956 USGS topographic quadrangle; n end Coxcomb Mountains); Coxcomb Mountains 762 Comment
  RSA791481  Cynanchum utahense J. Andre 2012-4-15 20848 Riverside West end of Hayfield Dry Lake, 0.3 mi. N. of I-10, 0.4 mi. NE of Jct Hayfield Rd and I-10. 395 Comment
  JOTR32386  Cynodon dactylon La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2491 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  RSA0088364  Cynodon dactylon Robert Vargas 2016-4-9 20 Riverside LA basin, White water canyon reserve. 536 Comment
  UCR64262  Cyperus difformis Scott D. White 1990-9-25 s.n. Riverside Santa Rosa Plateau, c. 5 mi (airline) SW of Temecula, on Via Yerba Road, east of Via Vaquero Road 415 Comment
  POM319702  Cyperus eragrostis Patricia Wilder 1971-11-11 5289 Riverside Along Santa Ana River, Santa Ana River Drainage Area. 229 Comment
  RSA500204  Cyperus erythrorhizos Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3540 Riverside Vail Lake area, pond and freshwater marsh in Kolb Crk. just south of the lake. Comment
  UCR59813  Cyperus erythrorhizos Jeri Hirshberg 1989-7-12 s.n. Riverside Lake Perris: shoreline at east end of lake. 488 Comment
  SBBG94682  Cyperus odoratus S. D. White 1990-9-25 Riverside Santa Rosa Plateau, ca. 5 mi (airline) SW of Temecula, on Via Yerba Rd, E of Vaquero Rd Comment
  POM48372  Cystopteris fragilis P. A. Munz, I. M. Johnston 1924-7-27 8776 Riverside along stream, Dark Canyon, San Jacinto Mountains. 2072 Comment
  CAS-BOT-BC334204  Dalea O. F. Clarke 2010-2-20 s.n. Riverside Peninsular Range: Riverside. O.F. Clarke residence, 266 Frost Court, east edge of UCR campus 351 Comment
  POM28816  Dalea mollis Marcus E. Jones 1906-4-27 s.n Riverside Indio. Comment
  UCR228169  Dalea mollis Dave Silverman, Mark Bibbo 2010-3-30 7891 Riverside Sonoran (Colorado) Desert, lower east flank of southern McCoy Mountains, 2.0 km W of Black Creek Rd, 6.5 km E of McCoy Pk, and 4.9 km north of I-10 183 Comment
  RSA480074  Dalea mollissima Steve Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2167 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  UCR281018  Dasyochloa pulchella Fred M. Roberts 2016-3-5 8004 Riverside Sonoran (Colorado) Desert, Little Maria Mountains: shallow canyon at west end, 4.3 km east of Palen Pass and 2.0 km WNW Peak "602" 116 Comment
  RSA13808  Datisca glomerata Victor Duran 1933-7-1 3494 Riverside Near Santa Rosa. Santa Rosa Mountains 1829 Comment
  RSA659515  Datura discolor J. C. Roos 1965-11-6 s.n. Riverside Colorado Desert, 26 miles west of Blythe. Comment
  CAS-BOT-BC229032  Datura wrightii T. B. Salvato; Richard Camacho 2011-6-12 5483 Riverside Peninsular Range: Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles 372 Comment
  SEINET8465858 Image available Datura wrightii W. P. MacKay 1970-4-18 335 Riverside 1 mile west of Palm Springs along Highway 60. 91 Comment
  RSA500221  Daucus pusillus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3522 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  SD144088  Daucus pusillus A. C. Sanders, P. MacKay, T. Thomas & O. Clarke 1997-5-4 20684 Riverside San Jacinto Mountains: N side of the range, Twin Pines Creek drainage, dry slopes above Brown Crk. 915 Comment
  UCR116864  Daucus pusillus A. C. Sanders, Steven R. Hill 2001-5-4 24126 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  UCR127499  Daucus pusillus A. C. Sanders, D. Malueg 2003-5-8 26578 Riverside Perris-Aguanga Basin region, Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek 396 Comment
  UCR16576  Daucus pusillus Joe Buriel 1966-4-6 s.n. Riverside 0.5 mi. west of Lake Mathews on Cajalco Road 457 Comment
  UCR230216  Daucus pusillus A. C. Sanders 2011-4-6 38982 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
  CAS-BOT-BC293824  Deinandra fasciculata R. F. Hoover 1968-6-6 11151 Riverside 1 mile east of Perris Comment
  SD186075  Deinandra kelloggii A. C. Sanders, Mike Misenhelter 2005-6-15 31004 Riverside 2.0 miles northnortheast of Vail Lake, 4.0 miles southsouthwest of Sage, Denise Rd. at Bonita Rd. near Calle de Nino, 1.2 miles northeast of summit of (Big) Oak Mtn., southwest of Rocky Ridge and southeast of Black Hills. 640 Comment
  CAS-BOT-BC291902  Deinandra mohavensis A. C. Sanders; Steve Boyd; Jeff Ross; Mitch Provance 1998-10-25 22272 Riverside San Jacinto Mtns.: Hwy 243 between Idyllwild and Mountain Center, 1 mile north of Mtn. Center 1159 Comment
  CDA7818  Deinandra mohavensis K. Esau 1935-6-15 Riverside Hemet Valley. 0 Comment
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Dec 14 2011
  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
  CLARK-A1528-3860  Delphinium parishii subsp. parishii John C. Roos 1947-5-10 3612 Riverside Reche Canyon Comment
  UCR48349  Delphinium parryi Steve Boyd 1986-4-22 1766 Riverside Temescal Canyon, W side of Indian Wash, south of I-15 Comment
  UCR92211  Delphinium parryi D. L. Banks, Steve Boyd 1995-5-3 0193 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
  RSA0124291  Dendromecon rigida Duncan S. Bell 2016-4-16 9334 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  RSA772863  Dendromecon rigida Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4815 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
  RSA311  Dendromecon rigida subsp. rigida J. T. Howell 1928-7-7 1035 Riverside Santa Ana Mts. above Glen Ivy. 610 Comment
  UCD63292  Deschampsia elongata Peter Kamb 1950-7-9 1907 Riverside Hall Canyon, San Jacinto Mtns. 1645 Comment
  SEINET12005374  Descurainia pinnata subsp. halictorum Unknown 1936-1 12757 Riverside E of Banning Comment
  UC75766  Descurainia pinnata subsp. menziesii Miss M. Alice King Mar 1893 Riverside Menifee Comment
  RSA303887  Dicentra chrysantha James R. Shevock 1970-4-25 152 Riverside near Lake Elsinore 762 Comment
  UCR16447  Dicentra chrysantha K. Stolte 1978-5-28 s.n. Riverside 3-4 miles east of Junction of Hwy 79 and 371 ('71'), on Hwy 79 Comment
  UCR144102  Dichanthelium acuminatum subsp. fasciculatum Scott D. White, Michael Honer 2003-6-3 9494 Riverside Peninsular Ranges; Santa Ana Mountains region, Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary 579 Comment
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May 3 2007
  UC1931206  Dichelostemma capitatum Scott D. White, Justin Wood 2008-6-19 12269 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. Comment
  RSA367460  Dichelostemma capitatum subsp. capitatum N. C. Cooper 1944-3-24 1001 Riverside Banning. 701 Comment
  RSA524588  Dichelostemma capitatum subsp. capitatum Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3902 Riverside Vail Lake area, summit of Big Oak Mtn, N. of lake. 793 Comment
  UCR138727  Dichelostemma capitatum subsp. capitatum Julie A. Greene 1993-4-10 1125 Riverside San Jacinto Wildlife Area 476 Comment
  CLARK-A1528-53  Digitaria ischaemum John C. Roos 1951-9-25 5276 Riverside Riverside 259 Comment
  UCR158338  Dimorphotheca sinuata A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30067 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  CAS-BOT-BC150878  Diplacus X australis Ynez Whilton Winblad 1941-5-27 s.n. Riverside San Juan Mts., San Juan Canyon, Highway 74 609 Comment
  SD137607  Diplacus aurantiacus Darin L. Banks, Steve Boyd 1995-6-2 558 Riverside Cleveland National Forest; Agua Tibia Wilderness area N face of N peak of Agua Tibia Mountain; on Woodchuck Trail N of the Riverside County boundary Ao mi S of clay grasslands 901 Comment
  RSA0116273  Distichlis spicata Mitch Provance, Ken Halama 2003-6-15 17059 Riverside Temescal Mountains: Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  SEINET3928473  Distichlis spicata R. L. Piemeisel 1914-10-19 4065 Riverside 0.5 mi. ne. of Indio.; 0 Comment
  JOTR37430  Ditaxis lanceolata Hodges, Stephen R., T. Hender 2015-12-29 552 Riverside Joshua Tree National Park. Eagle Mountains, Mouth of Dragon Wash (Stop 1) Comment
  RSA682077  Ditaxis lanceolata Scott D. White, Michael Honer 2003-4-30 9133 Riverside Shavers Valley. About 1-2 miles south west of unnamed freeway exit at pumping station. 396 Comment
  SEINET10453841  Ditaxis lanceolata Chris Dietrich, Mary Merello; Heidi H. Schmidt 1994-4-12 Dietrich 27 Riverside 9 miles north-northwest of Indio, off Dillon Road 1.9 miles northeast on Berdoo Canyon Road (J241). BLM land. Desert Access Guide Map #17. Along gravelly wash in creosote bush scrub. 380 Comment
  SEINET2055757 Image available Ditaxis lanceolata B. Pitzer 1998-1-24 3385 Riverside N foot of Chuckwalla Mts. Eagle Mt. Rd, AS. Side of highway 1-10, 0.8 mi S of Hwy powererline rd, & wash directly S of rd. 500 Comment
  SEINET7097941  Ditaxis lanceolata A. G. Vestal 1937-5-9 s.n. Riverside South of Hemet at the foothills of Santa Rosa Hills. UTM Zone 11, 502695 mE, 3730874 mN. Lat. 33 43' 11ao N, Long. -116 58' 15ao W. (NAD 27 converted to WGS84 decimal degrees) Comment
  UCR144104  Ditaxis lanceolata Scott D. White 2001-4-3 8262 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
  UCSB3580  Ditaxis lanceolata Haller, John 1960-4-2 Riverside North base of Orocopia Mtns., 1.3 miles south of the junction of U.S. 60-70 and the south entrance road to Joshua Tree National Monument 487 Comment
  UCR167552  Ditaxis neomexicana Nancy K. Cione 2004-4-30 s.n. Riverside Chuckwalla Valley, S of Eagle Mtns, north of Hayfield Dry Lake, near Red Cloud Road 415 Comment
  RSA0014720  Dithyrea californica J. Andre 2013-3-27 24797 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). 242 Comment
  RSA27209  Dithyrea californica C. L. Hitchcock 1940-4-4 5959 Riverside Pinto Basin. Comment
  RSA530743  Dithyrea californica M. B. Dunkle 1934-2-25 3845 Riverside Cathedral Canyon. Colorado Desert. 152 Comment
  RSA66544  Dithyrea californica F. W. Peirson 1920-2-14 4178 Riverside Whitewater Station, Colorado Desert Comment
  UC472687  Dithyrea californica M. F. Spencer 1918-3-28 Riverside near Palm Springs; Colorado Desert 100 Comment
  SEINET10937427  Dithyrea californica Billy Joe Cox 1975-4-23 Cox 4127 Riverside Palo verde, 1-3 km w, ca 32 mi s of blythe; creosote desert scrub; sandy and Gravelly entisols. Riverside/imperial co line. 100 Comment
  CAS-BOT-BC136105  Dodecatheon alpinum Edmund C. Jaeger 1922-7-10 s.n. Riverside Tahquitz [Tacquitz] Valley - San Jacinto Mtn. Comment
  JEPS5040  Downingia cuspidata P. A. Munz 1922-4-29 5093 Riverside 0.5 mi s Lake Elsinore; ; S of Lake Elinore 381 Comment
  UCR25944  Draba cuneifolia John C. Roos 1947-3-15 3351 Riverside Sonoran (Colorado) Desert, Santa Rosa Mountains, mouth of Deep Canyon at foot of mtns. 366 Comment
  UC488973  Drymocallis glandulosa C. V. Meyer June 1927 189 Riverside Saunder's Meadow San Jacinto Mts., Saunder's Meadow 1676 Comment
  POM188070  Drymocallis glandulosa var. glandulosa L. Crutcher 1933-7-1 17 Riverside Creek below Camp Tahquitz. Comment
  RSA634213  Drymocallis glandulosa var. reflexa Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38077 Riverside San Jacinto Mountains: San Bernardino National Forest. Above James Reserve in Hall Canyon. 1677 Comment
  UC1506122  Dudleya lanceolata Robert T. Clausen 1964-2-8 631047 b Riverside ridge sw Murrieta Comment
  UCR58950  Dudleya saxosa Kenneth Cooper 1986-4-18 s.n. Riverside San Jacino Mtns, Oasis de los Osos Preserve of the nature conservancy, Snow Creek Canyon, at the N foot of the San Jacinto Mtns Comment
  POM10338  Dyssodia porophylloides Charlotte M. Wilder 1907-4-8 715 Riverside Murray Canyon, Colorado Desert Comment
  RSA0002526  Echeveria lanceolata var. composta W. L. Jepson 1903-8-6 2285 Riverside Spruce Canyon, San Jacinto Mt. 1311 Comment
  RSA532559  Echinodorus berteroi David E. Bramlet 1990-7-25 2061 Riverside San Jacinto River. The area is some 1,000 meters west of Nuevo. 473 Comment
  CLARK-A1528-1804  Eclipta alba John C. Roos 1965-7-5 Riverside Thermal 36 Comment
  RSA357160  Elatine chilensis R. F. Thorne, E. W. Lathrop 1975-5-25 45546 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro 609 Comment
  RSA593897  Elatine chilensis Steve Boyd, Dave Bramlet 1996-4-19 8610 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  UC838792  Eleocharis bella Philip A. Munz 1922-5-20 5472 Riverside Kenworthy San Jacinto Mountains 1432 Comment
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Mar 25 2011
  CAS-BOT-BC112767  Eleocharis macrostachya Philip Alexander Munz; Ivan Murray Johnston 1922-5-18 5323 Riverside 1/2 mile south of Lake Elsinore, mud flat. Comment
  UCR182517  Eleocharis macrostachya Mitch Provance 2005-5-17 6568 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
  UCR154465  Elymus elymoides Jason L. Hlebakos 2005-5-30 810 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  UCR158135  Elymus glaucus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30082 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  CAS-BOT-BC206529  Elymus glaucus subsp. glaucus H. M. Hall 1901-6-1 2097 Riverside Slopes and benches of the south side - San Jacinto Mountains 1463 Comment
  RSA500528  Elymus glaucus subsp. glaucus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3614 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, S of Hwy 79. 488 Comment
  RSA591726  Elymus glaucus subsp. glaucus John F. Emmel 1984-5-27 903 Riverside San Jacinto Mountains; Idyllwild; West Ridge, 0.3 air mile SSW of Camp Emerson 1595 Comment
  SEINET258475  Elymus glaucus subsp. glaucus Michael Curto, Linda Allen 1990-6-25 681 Riverside San Bernardino National Forest ; San Jacinto Mts ca 3 km SE of Pine Cove on NF Rd 5S10. 1830 Comment
  RSA5907  Elymus glaucus subsp. jepsonii C. B. Wolf 1932-8-5 394 Riverside Trail from Tahquitz Valley to San Jacinto Peak, San Jacinto Mountains. 2561 Comment
  UCR207759  Elymus triticoides O. F. Clarke 2004-5-31 s.n. Riverside San Bernardino Valley Region, Riverside, along Spring Brook on the west side of Fairmont Park 238 Comment
  UCR2369  Elymus triticoides F. M. Reed 1904-6-12 595 Riverside Riverside, Riverside, crossing of zanja and outfall sewer near city dump, on Santa Ana River 244 Comment
  CSUSB98  Emmenanthe penduliflora David M. Peterson 1966-3-13 660313 9 Riverside Little Morongo Creek canyon, 1 mile north of Morongo Valley (29 Palms Road) on southwest facing slope. 761 Comment
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Mar 28 2014
  RSA697748  Emmenanthe penduliflora J. R. Bruff s.n. Riverside Palm Springs. Comment
  UC56881  Emmenanthe penduliflora W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 Riverside Palm Canyon 457 Comment
  SEINET7048160  Emmenanthe penduliflora var. penduliflora Steven R. Hill 2001-5-3 33661 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  UCR104194  Encelia actoni Scott D. White 1997-5-25 5225 Riverside San Jacinto Mtns., Bautista Canyon, along Bautista Canyon Road, c. 1.3 road miles NW of Hixon Trailhead (USFS Road No. 2E43) 762 Comment
  UCR154764  Encelia actoni T. B. Salvato, Kent Beaman 2005-5-16 787 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  CAS-BOT-BC131347  Encelia farinosa C. L. Hitchcock 1940-4-2 5923 Riverside Cottonwood Springs wash, Joshua Tree Nat. Monument Comment
  LA202443  Encelia farinosa Harlan Lewis; 1952-4-5 sn Riverside Road to 29 Palms 1 mi. S of road to Desert Hot Springs Comment
  RSA0031849  Encelia farinosa Douglas A. Springer 1981-2-16 2 Riverside 9 miles S of Corona on Interstate Hwy 15 and Cajalco Rd., E side on median and roadside. Comment
  RSA0041454  Encelia farinosa Duncan S. Bell, LeRoy Gross 2014-3-20 6279 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  RSA696889  Encelia farinosa J. Russell Bruff 1927-3-13 s.n. Riverside Thousand Palms Comment
  RSA708067  Encelia farinosa Scott D. White, Angelia Carey 2004-4-16 10172 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 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
  UC895515  Encelia farinosa I. W. Clokey and B. C. Templeton 1930-4-9 4687 Riverside n of Palm Springs; Colorado Desert Comment
  UCR238220  Encelia farinosa Mark A. Elvin 2005-5-19 4362 Riverside Sonoran (Colorado) Desert, eastern edge of Coachella Valley, north of I-10 NW of Cactus City 546 Comment
  POM356681  Encelia farinosa var. farinosa D. A. Young 1969-3-21 308 Riverside 3 miles SE of Hwy 74 (8 miles S of Palm Desert) near the fence of the University of California. 366 Comment
  RSA151102  Encelia farinosa var. farinosa Peter H. Raven 1962-4-7 17113 Riverside Whitewater Wash 1.5 miles north of U.S. Highway 70--99. Comment
  SD251191  Encelia frutescens Aaron C. Sedgwick, Cody Leslie 2012-9-20 122 Riverside Mojave Desert; Southcentral Mojave Desert region: South of 29 Palms Hwy 62 in a wash ~3 mi. east of Chadwick Rd. West of Ironage road ~1500 ft. 242 Comment
  UCR277614  Encelia frutescens Aaron C. Sedgwick, Duncan S. Bell 2012-9-20 123 Riverside Rice Valley, c. 3 miles south of Rice on Rice-Blythe [Midland] Rd. and then c. [1.5] miles [SE] on unmarked dirt road 235 Comment
  CLARK-A1528-1810  Encelia virginensis John C. Roos 1943-5-23 2666 Riverside Little San Bernardino Mountains Comment
  JEPS49141  Ephedra W. L. Jepson and H. M. Hall 1901-5-22 1354 Riverside Palm Canyon and return to Van DeVenter's; Journey of W. L. Jepson and H. M. Hall from Riverside to Santa Rosa Peak and Palomar, Southern California Comment
  RSA0120034  Ephedra californica Lyman Benson 1945-3-29 11639 Riverside Canyon on Palm Springs Road, Colorado Desert, Little San Bernardino Mountain 610 Comment
  RSA85180  Ephedra fasciculata F. W. Peirson 1928-4-24 7904 Riverside Cottonwood Spring, west end of Eagle Mtns. Comment
  RSA383801  Ephedra nevadensis M. B. Dunkle 1935-3-31 4444 Riverside Cottonwood Springs. Colorado Desert 701 Comment
  RSA775801  Ephedra trifurca Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 987 Riverside Iron Mountains, on southwest side of mountains in drainage on either side of the road 419 Comment
  UC1979839  Ephedra trifurca Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-4-6 987 Riverside Mojave Desert; Southcentral Mojave Desert region: Iron Mountains, on southwest side of mountains in drainage on either side of the road. Comment
  RSA383822  Ephedra trifurca Albert J. Perkins 1895-05 s.n. Riverside Near Riverside Comment
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Apr 13 2014
  RSA596531  Epilobium brachycarpum D. L. Banks 1996-7-16 1128 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) . 427 Comment
  UCR282410  Epilobium brachycarpum Mitch Provance 2009-7-1 709- 08 Riverside Badlands of Western Riverside County, San Timoteo Canyon, just south of San Timoteo Canyon Rd. along paved access road to the El Casco Substation 616 Comment
  RSA0110607  Epilobium campestre Jeremiah George 2012-6-14 s.n. Riverside San Gorgonio Pass Region: Beaumont, just south of West 4th St. at end of small paved spur road, area boxed in by commercial development. 772 Comment
  RSA595908  Epilobium canum subsp. canum D. L. Banks, Lauren Raz 1996-11-5 1167 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, ESE of San Gabriel Church; Along the floodplain of the southern fork of Pechanga Creek. 415 Comment
  CAS-BOT-BC171729  Epilobium canum subsp. latifolium Carl B. Wolf 1932-10-13 4309 Riverside Colorado Desert, Cottonwood Springs, Eagle Mts. 289 Comment
  CAS-BOT-BC171744  Epilobium canum subsp. latifolium H. M. Hall 1897-7-17 694 Riverside Strawberry Valley, San Jacinto Mountains Comment
  CAS-BOT-BC5226  Epilobium canum subsp. latifolium Winifern W. Swarth 1914-9-9 s.n. Riverside San Jacinto Mts. Comment
  RSA314465  Epilobium canum subsp. latifolium Robert F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55401 Riverside Side canyon on W side of Whitewater Cyn, ca. 3.3 mi. N of Whitewater Post Office. 595 Comment
  SD229207  Epilobium canum subsp. latifolium Dick Schwenkmeyer 2011-8-25 652 Riverside Thomas Mountain, Tool Box Springs Campground 1857 Comment
  RSA588342  Epilobium ciliatum subsp. ciliatum N. C. Cooper 1944-5-6 1176 Riverside Whitewater Canyon. 457 Comment
  RSA568556  Epipactis gigantea Burton 1908-5-6 s.n. Riverside Riverside. Comment
  UCR92261  Eragrostis cilianensis Michael A. Patten 1995-1 s.n. Riverside San Jacinto Valley, Just west of Hemet, valley floor and foothills at SE margin of Lakeview Mtns. north of Florida Avenue (SR 74) and west of California Avenue 500 Comment
  UCD63455  Eragrostis mexicana subsp. mexicana F. M. Reed Date Unknown 1469 Riverside Riverside and vicinity, roadsides in Riverside. Comment
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Jun 16 2012
  UCR2381  Eragrostis mexicana subsp. mexicana F. M. Reed 1907-11-24 2000 Riverside Riverside. Santa Ana River bottom near Chinese Gardens. Comment
  UCR2386  Eragrostis mexicana subsp. mexicana F. M. Reed 1906-7-15 1469 Riverside Roadsides in Riverside Comment
  SBBG71518  Eremalche exilis M. N. Ackley 1927-3-13 701 Riverside Coral Reef Ranch -9 Comment
  UCR134603  Eremalche exilis Marisa Sripracha, Kyle Boyd 2004-2-14 026 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 Comment
  UCR50915  Eremalche exilis D. E. Bramlet 1988-4-27 s.n. Riverside San Jacinto Valley, Hemet area, 0.25 mi. east of the intersection of Gibbel and State Streets. Comment
  RSA719075  Eremalche exilis Michael Honer 2005-3-18 2091 Riverside Palen Valley; appx. 3 mi. due E of Desert Center Airport. 134 Comment
  CSUSB1385  Eremalche rotundifolia A. R. Gillogly 1966-3-10 Riverside 2 miles south of Palm Desert, 1/2 mile east Palm-To-Pines Highway 106 Comment
  JOTR35337  Eremalche rotundifolia Harding, Mitzi, Mark Wheeler 2012-2-28 103 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; high saddle along wide ridge (Stop 3) 463 Comment
  SBBG99224  Eremalche rotundifolia W. L. Halvorson 1977-2-5 77 -16 Riverside near the jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  CAS-BOT-BC160051  Eremothera boothii subsp. condensata Ynez Whilton Winblad 1937-3-21 s.n. Riverside Coachella Valley Comment
  SD258953  Eremothera boothii subsp. condensata Sarah J. De Groot, Cheryl Sevilla 2016-3-16 7644 Riverside Mecca Hills: Hills around Shaver's Well, along Box Canyon Road, south edge of Shaver's Valley, eastnortheast of Mecca. 294 Comment
  UCD170704  Eremothera refracta G. K. Helmkamp; E. A. Helmkamp 1998-2-18 2739 Riverside Chuckwalla Mountains: Graham Pass Road, 10.6 miles SSW of Chuckwalla Valley Road. 448 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
  UCR59520  Eriastrum densifolium subsp. densifolium Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3610 Riverside Butterfield Valley, Vail Lake area, Kolb Creek drainage, N extension of Woodchuck Road, north of Hwy 79 489 Comment
  JOTR16796  Eriastrum densifolium subsp. elongatum Baker, James K. & Baker, Ilisa T. 1966-6-17 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS Comment
  JOTR33963  Eriastrum eremicum subsp. eremicum La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2849 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; sandy wash and gravelly benches with bouldery granitic outcrops Comment
  SD38839  Eriastrum eremicum subsp. eremicum Edith A. Purer 1935-4-21 6459 Riverside Desert floor, near Palm Springs. Comment
  UCR241056  Eriastrum filifolium John F. Green 2013-5-17 s.n. Riverside Peninsular Range, near intersection of Temescal Canyon Rd. and Campbell Ranch Rd. 329 Comment
  UCR280929  Eriastrum filifolium Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-23 517- 31 Riverside Temescal Valley, Mayhew Wash, N side of Temescal Canyon Rd., vicinity of I-15 320 Comment
  RSA0120776  Eriastrum luteum P. A. Munz 1923-6-14 7103 Riverside Glen Ivy Trail to Santiago Peak, Santa Ana Mountains. 915 Comment
  UC907918  Eriastrum sapphirinum Carl V. Meyer June 1927 152 Riverside hills near Temecula Comment
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Sep 30 2009
  UCR187487  Eriastrum sapphirinum Diane Menuz 2006-5-16 090 Riverside Peninsular Range, Tule Creek watershed off Happy Valley Road, Dry Ranch, 2.5 miles NE of Aguanga 738 Comment
  UC2062557  Eriastrum sapphirinum subsp. dasyanthum Sarah J. De Groot with Robert K. Lauri 2005-7-7 5113 Riverside Western San Jacinto Mountains: Along Chimney Flat Road/Old Control Road 5S08. Comment
  RSA0121570  Eriastrum sapphirinum subsp. dasyanthum N. C. Cooper 1944-7-15 1578 Riverside Banning. 701 Comment
  RSA0122011  Eriastrum sapphirinum subsp. dasyanthum Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3533 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  UCR204183  Eriastrum sapphirinum subsp. sapphirinum LeRoy Gross, Duncan Bell 2008-9-16 3581 Riverside Peninsular Range; San Jacinto Mountains, west side of Garner Valley, near Hwy 74, c. 0.25 mi north from Ramona trailhead parking area 1365 Comment
  CAS-BOT-BC287639  Ericameria linearifolia Nancy Ryan Zabriskie; Walter Zabriskie 1971-4-9 372 Riverside About 2 miles up water service road leading S from Highway 72, Deep Canyon, N slope Santa Rosa Mts 1310 Comment
  RSA0123159  Ericameria linearifolia Duncan S. Bell, LeRoy Gross 2016-3-30 9157 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7.5 air miles southeast of the summit of Martinez Mountain. 970 Comment
  SD128372  Ericameria linearifolia R. Mitchel Beauchamp, R. C. Pierce 1971-3-27 2065 Riverside Slopes along Coyote Canyon Road, Terwilliger Valley. 900 Comment
  SD90355  Ericameria linearifolia C. W. Tilforth 1973-4-29 780 Riverside Along Highway 74 between Alpine Village and Paradise Valley, 1 mile east of junction with Santa Rosa Muntain fire road. Comment
  UC527316  Ericameria linearifolia C. B. Wolf 1931-5-11 Riverside rocky ridges above Pipe Creek (above Hemet Valley); San Jacinto Mts. 1676 Comment
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Mar 24 2011
  UCR84641  Ericameria linearifolia Scott D. White, S. Ogg 1994-4-21 1981 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  GMDRC2526  Ericameria nauseosa var. mohavensis J. Andre, T. La Doux 2007-9-6 8703 Riverside Little San Bernardino Mountains: Little San Bernardino Mountains: on dirt road to Lost Horse Ranger Sta, below Hemmingway Buttress, Joshua Tree Natl. Park.. Elev. 4058 ft. 1237 Comment
  JOTR32642  Ericameria nauseosa var. mohavensis La Doux, Tasha, K. Matthews, S. Szabo, J. Van Warmerdam, B. Truesdell 2007-10-4 2563 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Convergence of Lower Covington Flat and Smith Water Canyon (Stop 3) 1362 Comment
  RSA0008410  Ericameria palmeri var. pachylepis A. C. Sanders 1997-11-25 21625 Riverside Skinner/Domenigoni region, S of Hemet Eastside (Diamond Valley) Reservoir, Nicholson Ranch site, just below water line of reservoir under construction, E end of S side of Diamond Valley, ca. 2/3 of the way from W dam to E dam 503 Comment
  UCR250910  Ericameria palmeri var. pachylepis A. C. Sanders 2014-4-18 41027 Riverside Peninsular Range, Temescal Canyon, hills along De Palma Rd. between Indian Truck Trail and Horsethief Canyon roads, c. 100 m south of I-15 401 Comment
  UCD131744  Erigeron breweri var. covillei K. Esau 1935-6-15 s.n. Riverside Hemet Valley. Comment
  CAS-BOT-BC33495  Erigeron breweri var. jacinteus Harvey Monroe Hall 1901-6-1 2322 Riverside San Jacinto Mountains; near Tauquitz 2690 Comment
  RSA0125177  Erigeron canadensis Duncan S. Bell 2016-10-27 10210 Riverside Whitewater Canyon area; collecting in Rainbow Canyon, 2.75 air miles northwest of the Whitewater Ranger Station (trout ponds). 1024 Comment
  CAS-BOT-BC296795  Erigeron divergens H. M. Hall 1905-4-27 5881 Riverside Chuckawalla Bench, Colorado Desert Comment
  RSA761991  Erigeron foliosus Peter Guiden, C. Martinez, Naomi Fraga, L. McDade, et al. 2010-8-14 74 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCSB15235  Erigeron foliosus Breedlove, Dennis 1961-8-4 Riverside Along Riverside Highway 1 at junction with road to Black Mountain Campground; San Jacinto Mountains 1676 Comment
  POM357436  Erigeron foliosus var. foliosus Christopher Davidson 1978-6-15 7379 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
  POM48945  Erigeron foliosus var. stenophyllus P. A. Munz, I. M. Johnston 1924-7-26 8722 Riverside Saw Mill on Banning-Idyllwild Rd. 1707 Comment
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May 30 2011
  JOTR31185  Erigeron parishii La Doux, Tasha, G. Clifton 2009-5-14 1952 Riverside Joshua Tree National Park. Little San Bernardino Mountains, upper reaches of East Wide Canyon, just below Upper Covington Flats, narrow gravelly ridge 1405 Comment
  SD146029  Erigeron sumatrensis A. C. Sanders, Mitch Provance, T. Salvato, et al. 1999-10-5 23134 Riverside Riverside; new O. F. Clarke residence on Frost Court, east edge of UCR campus. 353 Comment
  UCR49192  Eriochloa aristata A. C. Sanders 1985-12-22 5962 Riverside Sonoran (Colorado) Desert, Coachella Valley, 1/4 mi NW of Valerie Jean, west of Hwy 86 -30 Comment
  POM319080  Eriodictyon crassifolium Patricia Wilder 1971-9-29 5267 Riverside Along San Jacinto River at north end of Fairview Street, north of Florida Street. Valle Vista; east of Hemet; south side of river 518 Comment
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Mar 27 2011
  UC455938  Eriodictyon crassifolium var. crassifolium I. J. Condit 1910-6-24 Riverside San Jacinto Mts. Comment
  LA205719  Eriodictyon trichocalyx var. trichocalyx Carl Epling; William Robison 1933-6-24 sn Riverside Little San Bernardino Mountains, San Gorgonio Wash, near Banning Comment
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Jun 22 2015
  JOTR34095  Eriogonum angulosum Herskovits, Tasya 2011-9-28 1 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Keys View; Burn area on gentle rocky slopes 1582 Comment
  RSA6021  Eriogonum apiculatum Carl B. Wolf 1932-8-5 3938 Riverside Along trail from Tahquitz Valley to San Jacinto Peak. 2561 Comment
  RSA78246  Eriogonum davidsonii P. A. Munz, E. K. Balls 1952-8-21 17963 Riverside Hamilton Creek, s.e. part of San Jacinto Mts. 1372 Comment
  UC218108  Eriogonum davidsonii P. A. Munz 1922-6-25 5822 Riverside bet. Hemet Valley and Vandeventer; San Jacinto Mts. 1432 Comment
  RSA496747  Eriogonum deflexum var. deflexum A. C. Sanders 1988-5-11 7807 Riverside Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal in a wash E of the gasline road from Niland. 549 Comment
  UC66492  Eriogonum elongatum var. elongatum E. A. Zumbro 1904-1 429 Riverside Cold Water Canyon Santa Ana Mts., Cold Water Canyon Comment
  UCR177510  Eriogonum fasciculatum subsp. polifolium A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32529 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 640 Comment
  RSA26984  Eriogonum fasciculatum var. flavoviride C. L. Hitchcock 1940-4-1 5903 Riverside 1 mi. below Cottonwood Springs. Joshua Tree Nat. Monument. Comment
  RSA297345  Eriogonum fasciculatum var. polifolium Larry E. DeBuhr 1977-2-20 2556 Riverside 1 mile below the Palm Springs Tramway Station, upper canyon on east side of Mt. San Jacinto. Comment
  RSA393348  Eriogonum fasciculatum var. polifolium M. B. Dunkle 1933-4-5 3371 Riverside Colorado Desert, Jack Rabbit Trail Comment
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Mar 21 2011
  RSA650861  Eriogonum fasciculatum var. polifolium C. J. Humphrey, Herbert Humphrey 1936-6-7 49 Riverside In foothills 18 miles East of Riverside. 549 Comment
  UCR104156  Eriogonum fasciculatum var. polifolium Scott D. White 1997-5-25 5227 Riverside San Jacinto Mtns, Bautista Canyon: Hixon Trail (USFS No. 2E43), between trailhead at Bautista Canyon Road and intermittent stream crossing at c. 3200 ft 976 Comment
  RSA773654  Eriogonum gracile Duncan S. Bell, Joy D. England 2010-10-5 1973 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.4 air miles southeast of junction of Highway 74 and forest service road 5S15. 781 Comment
  POM162688  Eriogonum gracile var. gracile F. M. Reed 1929-11-8 6684 Riverside Near old ranch north of Snow Canon, western edge of Colo. Desert. Comment
  RSA66029  Eriogonum gracile var. gracile F. W. Peirson 1924-7-29 5029 Riverside Banning to Idyllwild road, San Jacinto Mountains. 1570 Comment
  SEINET9337752  Eriogonum gracillimum Unknown 1976-5-3 Riverside Red Mountain Road. Comment
  RSA790634  Eriogonum inflatum var. inflatum Aaron C. Sedgwick, David Fraker 2012-4-24 2 Riverside In the Palen Valley south of Hwy. 10 on Dupont Rd., ca. 2 mi. northeast of the Chuckwalla Mountains Wilderness Area. 183 Comment
  CAS-BOT-BC270591  Eriogonum molestum Peter Kamb 1948-10-21 1273 Riverside Hll Canyon, San Jacinto Mts. 1645 Comment
  RSA487226  Eriogonum molestum James L. Reveal, C. Rose Broome 1987-6-27 6613 Riverside San Jacinto Mountains, along Morris Ranch Road, 1.9 mile northeast of California Hwy 74 and about 1.5 mile northeast of Kenworthy Guard Station, about 8 airline miles southeast of Mountain Center. 1585 Comment
  RSA775222  Eriogonum nudum Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4440 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
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Aug 15 2012
  CAS-BOT-BC266940  Eriogonum parishii P. A. Munz; E. K. Balls 1952-8-21 17983 Riverside Road, Vandeventer Flat to Santa Rosa Peak 2072 Comment
  RSA0127853  Eriogonum reniforme G. Rink 2013-3-29 11917 Riverside About twelve miles west of Blythe, along the T-line for the proposed Quartzite solar power plant. Comment
  CAS-BOT-BC263540  Eriogonum thomasii Ira L. Wiggins 1941-3-24 9586 Riverside On east side of Salton Sea, 1 mile north of Imperial County line Comment
  POM98742  Eriogonum thomasii P. A. Munz 1926-1-31 9971 Riverside Dos Palmos [Palmas] Spring. Comment
  RSA264150  Eriogonum thomasii C. W. Tilforth, J. Dourley, W. Wisura 1977-5-20 1331 Riverside 2 miles south of Rice and Hwy 62 along Blythe-Rice Rd. 267 Comment
  RSA424963  Eriogonum thomasii N. C. Cooper 1949-4-8 3247 Riverside Indio. Mecca Pass, east of Indio. 457 Comment
  SBBG89124  Eriogonum thomasii A. C. Sanders 1988-5-11 7811 Riverside Chocolate Mtns, Iria Pass area; 12 mi above the Coachella Canal in a wash E of the gasline rd from Niland 548 Comment
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Sep 10 2011
  CAS-BOT-BC262869  Eriogonum thurberi Peter H. Raven; Sidney R. Snow 1956-6-30 9542 Riverside 1.7 miles west of Dripping Springs Guard Station on road to Temecula Comment
  CAS-BOT-BC262881  Eriogonum thurberi Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater 304 Comment
  RSA678400  Eriogonum thurberi Michael Wall 2003-5-11 314 Riverside Vacant lot off Ramona Expressway between Donna Ave. and Seventh St. adajacent to Soboba Health Clinic. (currently for sale and development). 506 Comment
  UC849304  Eriogonum thurberi Lewis S. Rose 1937-4-9 37101 Riverside Palm Springs 137 Comment
  UC1032224  Eriogonum trichopes H. S. Yates 1937-6-28 6737 Riverside near Palm Springs; San Jacinto Quadrangle Comment
  UCR111231  Eriogonum trichopes S. G. Stokes 1933-4-9 51 Riverside Sonoran (Colorado) Desert, South of Palm Springs 244 Comment
  LA207114  Eriogonum wrightii var. membranaceum Louis C. Wheeler; 1931-10-3 181 Riverside San Jacinto Mountains, Strawberry Valley 1584 Comment
  RSA420611  Eriogonum wrightii var. membranaceum N. R. Zabriskie, Walter Zabriskie 1972-9-7 534 Riverside Strawberry firebacks, S of S end Marion Ridge Rd., Pine Cove, W drainage San Jacinto Mountains. 1921 Comment
  RSA735474  Eriogonum wrightii var. membranaceum LeRoy Gross, Elizabeth A. Kempton 2008-8-21 3573 Riverside Southern spur of Pine Meadow, southeast of Highway 371, northwest of Santa Rosa Summit. Survey north side of Highway 74. 1477 Comment
  CAS-BOT-BC261785  Eriogonum wrightii var. nodosum A. C. Sanders; P. MacKay 1994-10-23 15845 Riverside San Bernardino Mountains: Whitewater River Canyon, between the trout hatchery & Bonnie Bell 780 Comment
  RSA65012  Eriogonum wrightii var. nodosum F. W. Peirson 1920-12-28 2340 Riverside Along Palm Canyon stream below the Canyon. Comment
  SEINET3087092 Image available Eriogonum wrightii var. nodosum P. Leary 1974-11-24 857 Riverside Joshua Tree National Monument: uppermost portions of the eastern most fork of Munsen Canyon 1036 Comment
  CLARK-A1528-4626  Erioneuron pulchellum John C. Roos 1949-3-5 4088 Riverside Orocopia Mountains Comment
  RSA6121  Eriophyllum confertiflorum C. B. Wolf 1932-5-25 3691 Riverside 1/4 mile SW of summit of Moreno Grade, Bad Lands SW of Beaumont 671 Comment
  SDSU20271  Eriophyllum confertiflorum Adrienne D. Russell, Tahirch Linz & Matt Guilliams 2000-4-29 123 Riverside Santa Margarita Ecological Reserve, Temecula, insect trail, mapping project for plant taxonomy class. Comment
  JOTR31117  Eriophyllum confertiflorum var. confertiflorum La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 2500 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Monzogranite boulder outcrop near base of Quail Mountain, between Lost Horse Valley and Juniper Flats; Edge of old burn area (Stop 1) Comment
  JOTR31153  Eriophyllum confertiflorum var. confertiflorum La Doux, Tasha 2009-6-3 1862 Riverside Joshua Tree National Park. (Stop 2): Little San Bernardino Mountains, Covington Flats Area, Covington Spring 1396 Comment
  RSA0071986  Eriophyllum confertiflorum var. confertiflorum J. M. Andre 2012-6-15 30509 Riverside San Jacinto Mountains: Along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest. 1171 Comment
  UC896280  Eriophyllum confertiflorum var. confertiflorum I. W. Clokey 1935-4-18 6949 Riverside Gavilan Peak 600 Comment
  CLARK-A1528-1839  Eriophyllum multicaule John C. Roos 1940-5-4 882 Riverside Reche Canyon Comment
  HSC85255  Eriophyllum multicaule Steve Boyd 1986-4-22 1741 Riverside Stable alluvial benches of Indian Wash just S of Interstate Hwy 15 Comment
  SBBG35238  Eriophyllum multicaule T. L. Secrest 1951-5-18 Riverside San Jacinto River, near Hemet Comment
  SEINET7007897  Eriophyllum multicaule W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Just west of Perris, at base of Gavilan Hills. 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
  CAS-BOT-BC296974  Eriophyllum wallacei L. R. Abrams 1926-3-25 11006 Riverside Cabazon to Whitewater Comment
  POM29826  Eriophyllum wallacei Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. Comment
  POM358160  Eriophyllum wallacei N. R. Zabriskie, W. M. Zabriskie 1973-4-25 643 Riverside Deep Canyon drainage, E side Hwy 74, opposite Black Hill, Santa Rosa Mtns. (site 22) 914 Comment
  UC1428710  Eriophyllum wallacei J. L. Strother 1973-3-21 1159 Riverside above Chiriaco Summit; Lost Palms Canyon Comment
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Mar 26 2011
  UC729661  Eriophyllum wallacei Carl B. Wolf 1932-5-25 3671 Riverside 1 mi below Fish Hatchery (base of San Jacinto Mts., Snow Creek Canyon); San Jacinto Mts., Snow Creek Canyon 396 Comment
  SDSU13539  Erodium cicutarium W. Miller with C. Mosse 1972-7-20 Riverside Comment
  RSA562429  Erodium macrophyllum D. E. Bramlet 1993-4-13 2323 Riverside Approximately 61 m. south of the existing Lake Mathews access road, some 549 m. north of Cajalco road, in the ''Cajalco bend'' area. The site is 1.2 km. west of Lake Mathews Drive. 434 Comment
  UC71993  Erodium macrophyllum Miss M. A. King May 1893 Riverside between Menifee and Perris Comment
  SD224984  Erodium moschatum A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19874 Riverside Lake Skinner area: lower Rawson canyon, just NE of the lake along the road. 456 Comment
  UCR62382  Eryngium aristulatum R. Montijo 1990-5-23 s.n. Riverside Mesa de Colorado, S edge of Santa Rosa plataeu 642 Comment
  RSA0020065  Erythranthe guttata Philip A. Munz 1937-5-30 15098 Riverside North of Vandeventer Flat, Santa Rosa Mountain 1677 Comment
  RSA0014891  Erythranthe moschata J. D. Olmsted 1959-7-25 768 Riverside Lily Fork of Strawberry Creek at start of Devil's Slide Trail NE of Idyllwild. San Jacinto Mountains, Strawberry Creek drainage area. 1738 Comment
  RSA0014886  Erythranthe tilingii L. Crutcher 1933-8-22 2 Riverside Tahquitz Valley, San Jacinto Mountains. Comment
  RSA0124286  Eschscholzia androuxii Duncan S. Bell 2016-4-16 9326 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  UCD96465  Eschscholzia androuxii Shannon M. Still; Jennifer R. Still, Charles M. Still 2008-2-15 258 A Riverside California. Riverside County: Joshua Tree National Park. 610 Comment
  RSA522752  Eschscholzia californica Steve Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3859 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
  RSA614626  Eschscholzia californica D. L. Banks 1997-3-29 1570 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
  UC118511  Eschscholzia californica Charlotte M. Wilder June, 1905 651 Riverside Wilder's Canyon West Riverside, Jurupa Hills Comment
  POM220074  Eschscholzia minutiflora F. R. Fosberg 1932-3-13 8070 Riverside Thousand Palms Canyon, Coachella Valley. Comment
  RSA278563  Eschscholzia minutiflora T. C. Emmel 1961-3-21 21 Riverside Chino Canyon Comment
  UCR267892  Eschscholzia minutiflora Jim Andre 2013-3-4 23859 Riverside Sonoran (Colorado) Desert, 0.2 miles east of Hwy 95, just south of Riverside Mountains, just north of Queen Sable Point 96 Comment
  CAS-BOT-BC419587  Eschscholzia parishii S. B. Parish; W. F. Parish 1882-4-1 732 Riverside Eastern slope of San Jacinto Mt. Comment
  JOTR31770  Eschscholzia parishii Andre, Jim, Tasha La Doux 2009-3-10 11234 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
  JOTR36455  Eschscholzia parishii La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3425 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; narrow north fork of large canyon w/ cobbley wash and steep rocky walls (Stop 2) 338 Comment
  RSA0024819  Eschscholzia parishii Duncan S. Bell, Kim Clark, Bob Ellis, Pam McKay, Jim Pittman, Gene Ratcliff, Ed Schlegel, Felicia Sirchia 2013-2-24 4467 Riverside Orocopia Mountains; south end of range, north of the Coachella Canal, approximately 3 air miles northeast of Dos Palmas Springs. 182 Comment
  SEINET3094861 Image available Eschscholzia parishii David Charlton 1988-2-18 1152 Riverside S side of Little San Bernardino Mtns. Fargo Canyon Road to Cottonwood Wash, S of Joshua Tree National Park, parallel to I-10. 5 mi. E of Jct Dillon Rd. and Fargo Cyn Rd. Comment
  UC635608  Eschscholzia parishii H. L. Mason 1928-3-10 4244 a Riverside road from Indio to Palm Springs Comment
  UCSB3662  Eschscholzia parishii Haller, John 1958-3-22 Riverside immediately S of Hwys 60-70; 5.8 miles E. of Desert Center Comment
  UCR90600  Eucalyptus camaldulensis Scott D. White 1995-6-29 3382 Riverside Santa Ana Mtns., Murrieta Creek, NW of Murrieta, upstream from Cole Creek confluence, at Calle de Oso Oro Rd. crossing 351 Comment
  POM128391  Eucrypta chrysanthemifolia Thomas Craig 1927-4-23 218 Riverside Glen Ivy. Comment
  UCR250563  Eucrypta chrysanthemifolia A. C. Sanders 2014-4-18 41032 Riverside Peninsular Range, Temescal Canyon, along De Palma Rd. between Indian Truck Trail and Horsethief Canyon roads, SE of Lee (Corona) Lake 375 Comment
  CHSC1157  Eulobus californicus M. Garbutt 1935-4-17 Riverside San Gorgonia Pass. Comment
  JOTR38694  Eulobus californicus Hodges, Stephen R. 2017-2-7 710 Riverside Joshua Tree National Park. Little San Bernardino Mountains, West Deception Canyon, near the mouth of the canyon just north of the park boundary Comment
  SEINET6089988  Eulobus californicus Unknown 1944-5-6 1210 Riverside Whitewater Canyon. Comment
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Feb 27 2016
  CLARK-A1528-2489  Euonymus occidentalis subsp. parishii John C. Roos 1941-8-2 88 Riverside San Jacinto Mountains Comment
  SD63334  Euphorbia lurida Walter Bertsch 1957-6-29 953 Riverside Santa Rosa Mountains, desert slope of Toro Peak 2440 Comment
  SDSU21594  Euphorbia micromera Duncan S. Bell 2011-10-22 3000 Riverside Arica Mountains: west side of the mountain range, ca. 2.6 air miles west of Priests Well, and ca. 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  SDSU12861  Euphorbia polycarpa Janet M. Knotts with Jill Steinberg and Kevin Contreras 1998-3-25 25 III1998J Riverside Road to southwest of SDSU Santa Margarita Field Station, ca. 1000 feet southwest on road to switchback, southwest of bend in road. 262 Comment
  UCR281929  Euphorbia setiloba A. C. Sanders, Jim Malusa 2017-9-21 43355 Riverside Sonoran (Colorado) Desert, northern boundary of Chocolate Mountains Aerial Gunnery Range along south side of Bradshaw Trail at large wash crossing 680 Comment
  UCR150976  Euphorbia spathulata D. L. Banks 1997-3-29 1601 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Headwaters of Pala Creek at the S extremity of the Reservation, north of the Riverside/San Diego Co. line, west of the intersection of Magee Truck Trail and Moreno Rd including a large area of vernally wet grassland at the extreme SW corner of the Reservation 409 Comment
  UCR48516  Euphorbia spathulata Steve Boyd 1986-5-1 1792 Riverside Perris-Aguanga Basin region, southwestern Perris Basin, hill west of Skunk Hollow, Skunk Hollow vernal pool 488 Comment
  CAS-BOT-BC310651  Euthamia occidentalis Steve Boyd; Tim Ross; Dave Bramlet 1992-9-9 7674 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek, up the San Mateo Trail north to Potrero de la Cienega 670 Comment
  LA105789  Fagonia laevis David Charlton; 1988-2-18 1149 Riverside S side of Little San Bernardino Mountains, Fargo Canyon Road to Cottonwood Wash, S of Joshua Tree National Park, parallel to I-10, 5 mi E of Jct Dillon Rd. and Fargo Cyn Rd 761 Comment
  RSA708488  Fagonia laevis Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10896 Riverside Eastern Coachella Valley. Bajada beneath Mecca Hills, just east of Coachella Canal. 24 Comment
  UCR112103  Fagonia laevis A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23354 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 15 Comment
  UCR86213  Fagonia pachyacantha A. C. Sanders 1995-5-23 17115 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fans below the Santa Rosa Mountains, north of Toro Canyon., west of Monroe St., and south of Avenue 62 91 Comment
  SEINET10553063  Festuca arundinacea Boyd 1993-5-12 BOYD 7338 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon along stream and adjacent benches and lower slopes from confluence with Tenaja Canyon, T7S R5W W 1/4 NW 1/4 sec. 22, SE 1/4 sec. 21, center 1/3 N 1/2 sec. 28. Mosaic of Adenostoma fasciculatum - Ceanothus crassifolius chaparral and Eriogonum fasciculatum - Artemisia californica coastal sage scrub on slopesm, Quercus agrifolia woodland on benches and riparian woodland of Platanus racemosa, Fraxinus velutina, Salix lasiolepis, & Baccharis salicifolia along active stream channel. 366 Comment
  JOTR33748  Festuca bromoides La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2746 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  UCR158252  Festuca myuros A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30116 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
  UCR260831  Fouquieria splendens A. C. Sanders, Jim Malusa 2015-3-10 41388 Riverside Sonoran (Colorado) Desert, north end of Chocolate Mountains, between Bradshaw Trail and Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range 576 Comment
  UCSB4144  Fouquieria splendens Krogen, Roger 1957-1 Riverside 4 mi. S of junction of Hwy. 195 and Hwy. 60-70 at N edge of Orocopia Mts. Comment
  LA50902  Fraxinus dipetala W. E. Pequegnat; 1937-9-3 sn Riverside Santa Ana Mountains, Bedford Rd., just below junction Santa Ana Mts 1402 Comment
  UCR126262  Fraxinus uhdei Nathan Moorhatch, John Green 2003-4-2 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, Whitewater River channel at Date Palm Drive in Cathedral City 91 Comment
  RSA0103088  Fraxinus velutina Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8552 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  RSA562050  Fritillaria biflora Steve Boyd, Timothy S. Ross 1992-4-1 6779 Riverside Santa Ana Mountains., Elsinore Peak area, S of Lake Elsinore. South base of Peak (3448) to SE of Elsinore Peak area. 1000 Comment
  RSA781183  Funastrum cynanchoides var. hartwegii D. Silverman 2010-3-30 7886 Riverside East bajada flank of southern McCoy Mountains, 1 km west of Black Creek Road, 7.8 km east of McCoy Peak, and 4.8 km N of I-10 165 Comment
  POM248431  Funastrum hirtellum Philip Crow 1939-07 5 Riverside Blythe Comment
  JEPS52914  Galium Lauramay T. Dempster and G. L. Stebbins 1966-6-17 4243 Riverside 0.9 mi n Alvin Meadows (Red Hill Rd); San Jacinto Mts. 1661 Comment
  CLARK-A1528-827  Galium angustifolium I. Rauch 1968-5-14 Riverside Santa Ana Mountains Comment
  UCR95945  Galium angustifolium subsp. angustifolium Scott D. White 1996-8-1 4455 Riverside San Jacinto Mtns., Twin Pines area, just north of Twin Pines Road, c. 0.5 air mi. west of Twin Pines Ranch. 1143 Comment
  UCR95234  Galium angustifolium subsp. gracillimum D. L. Banks, E. H. Banks 1996-5-2 0929 Riverside NW Palomar Mountains, Agua Tibia Mtns., NW foothills of Dorland Mtn, S end of Los Caballos Road, University of California-Emerson Oaks Reserve, c. 20 m inside the preserve boundary gate, 3 m east of the main road along an open field. 448 Comment
  UCR268305  Galium angustifolium subsp. jacinticum Jim Andre 2012-6-15 30513 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243, 8.6 miles south of Hwy I-10 at Banning, just northeast of Hungry Hollow and Poppet Flat 1309 Comment
  POM283990  Galium aparine Lyman D. Benson 1932-3-26 3179 a Riverside Temecula Grade. Temecula Valley. 549 Comment
  RSA483568  Galium aparine D. Charlton 1988-5-21 1956 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on hwy 74. 1677 Comment
  RSA191429  Galium porrigens E. W. Lathrop, Robert F. Thorne 1967-9-26 6602 Riverside 6 mi. NW of Murrieta, Tenaja Road at the pass entering valley leading to Tenaja Guard Station. 610 Comment
  RSA613406  Galium porrigens D. L. Banks 1997-4-5 1685 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just east of the Wilderness Area boundry with the Pechanga Indian Reservation, along a tributary of the north fork of Pechanga Creek. 670 Comment
  CAS-BOT-BC217618  Galium stellatum subsp. stellatum Annie M. Alexander; Louise Kellogg 1941-5-18 2200 Riverside North slope of Eagle Mountains, Colorado Desert 1066 Comment
  LA208440  Galium stellatum var. eremicum L. Haines; L. Erickson 1937-4-10 Riverside Palms to Pines Highway 2 mi above valley Comment
  RSA0099592  Garrya flavescens Duncan S. Bell 2014-11-14 7706 Riverside Santa Rosa Mountains; collecting in the Santa Rosa Mountain Wilderness area; west side of Martinez Mountain; at meeting point of Horsethief Creek and the Cactus Spring Trail. 1055 Comment
  CAS-BOT-BC303586  Geraea canescens F. H. Billings 1926-1-25 15 Riverside Near Palm Springs Comment
  CHSC339  Geraea canescens E. Thomas 1940-3-3 Riverside Coachella Valley. -21 Comment
  POM358660  Geraea canescens P. J. Remple 1942-3-1 s.n. Riverside Between Indio and Palm Springs. Comment
  RSA615345  Geraea canescens George K. Helmkamp, E. A. Helmkamp 1998-2-18 2708 Riverside Colorado Desert: Midland Road, 3.8 miles SE of Midland, Little Maria Mountains Comment
  SFV17346  Geraea canescens J. D. Dilley, J. N. Hogue 1998-4-24 281 Riverside Colorado Desert Chuckwalla Mountains. Corn Springs Wash on Corn Springs Road, 1 mile southwest of Interstate Highway 10. 274 Comment
  SEINET9118669  Geraea canescens E. Adams 1978-1 S.N. Riverside Mecca, Box Canyon. Desert wash. Comment
  RSA180450  Geranium dissectum E. W. Lathrop 1965-5-30 5783 Riverside 6 miles W of Murrieta. Comment
  RSA356746  Geranium dissectum Robert F. Thorne 1973-5-23 45515 Riverside Santa Rosa Plateau- Mesa de Colorado: stream N of mesa. Santa Ana Mountains 610 Comment
  RSA680565  Gilia Scott D. White, Michael Honer 2003-4-30 9130 Riverside Shavers Valley. About 1-2 miles south west of unnamed freeway exit at pumping station. 396 Comment
  UCR261365  Gilia A. C. Sanders, Katie Young, John Hale 2015-4-22 41615 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
  SEINET7073453  Gilia angelensis 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
  UC494754  Gilia angelensis Philip A. Munz 1932-3-24 12024 Riverside n Elsinore; n of Elsinore 304 Comment
  UC880101  Gilia angelensis K. Watkins and E. McClintock 1937-4-9 Riverside Riverside-Hemet Road near Winchester turnoff; Riverside-Hemet Road Comment
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Mar 20 2011
  UCR116469  Gilia angelensis A. C. Sanders, T. B. Salvato 2001-3-30 23867 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. Pina Colada 366 Comment
  UCR19161  Gilia angelensis John C. Roos 1966-3-22 s.n. Riverside Moreno Valley, Edgemont. Comment
  UCR97900  Gilia angelensis A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19850 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  UCR97492  Gilia australis A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19882 Riverside Peninsular Range, Lake Skinner area; lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 Comment
  CAS-BOT-BC257174  Gilia diegensis Duncan S. Bell; Valentin Arvizu 2010-5-10 988 Riverside Peninsular Ranges; San Jacinto Mountains region: San Bernardino National Forest: Garner Valley, approximately 1.1 air mile southeast of junction of forest service road 6S13 and forest service road 6S04 1349 Comment
  UC68760  Gilia latifolia H. M. Hall Apr., 1905 5850 Riverside Dos Palmas , Dos Palmas (Colorado Desert) 30 Comment
  RSA771756  Gilia modocensis Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4633 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA0112626  Gilia ochroleuca A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35604 Riverside Peninsular Range; San Jacinto Mtns.: May Valley c. 1.25 mi SW of Fleming Ranch, meadow on nameless tributary NW of Herkey Crk., north of Bonita Vista Rd. and NE of May Valley Rd. 1562 Comment
  RSA0014947  Gilia ochroleuca subsp. exilis LeRoy Gross, Evan Meyer 2013-5-21 6112 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
  UCR193265  Gilia ochroleuca subsp. exilis A. C. Sanders, Tim Thomas 2008-6-20 35526 Riverside Peninsular Range; San Jacinto Mtns., May Valley area, at spring with trough, along dirt road (May Valley Rd.) c. 1.5 mi. ENE of Keenwild, 0.5 mi. NW of FS Rd. 5S05 1610 Comment
  RSA0017090  Gilia ochroleuca subsp. exilis D. L. Banks, Rashmi Pant 1996-5-13 1014 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Along the base of a xeric, arkose ridge, in a small drainage, approximately 400 m E of the Dripping Springs Guard Station, just S of Hwy. 493 Comment
  RSA0017100  Gilia ochroleuca subsp. exilis H. M. Hall 1897-05 304 Riverside Hemet Valley. 1372 Comment
  RSA0017289  Gilia ochroleuca subsp. exilis Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  UCR51965  Gilia scopulorum Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2157 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 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
  RSA0096821  Gilia stellata Duncan S. Bell, Andrew Chambers 2015-3-12 7785 Riverside San Gorgonio Wilderness area; Whitewater Canyon; about 0.75 air miles northeast of Red Dome. 863 Comment
  RSA26979  Gilia stellata C. L. Hitchcock 1940-4-3 5931 Riverside 1 1/2 mi. northeast of Cottonwood Spring along 29 Palms Road, Joshua Tree Nat. Monument. Comment
  RSA299418  Gilia stellata Marjorie D. Clary 1932-3-2 1623 Riverside Bajada, west of Coral Reef Ranch, 8 miles southwest of Coachella 91 Comment
  UCR214155  Gilia stellata T. B. Salvato 2010-4-20 4054 Riverside Sonoran (Colorado) Desert, alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 189 Comment
  CAS-BOT-BC303651  Glebionis coronaria A. C. Sanders 1998-4-16 21753 Riverside Riverside: field on the W side of Iowa Ave, just N of the Santa Fe RR tracks 287 Comment
  SD128006  Glyceria striata Michael Curto 1989-8-6 598 Riverside San Jacinto Mts, Fuller Ridge Trail, springy N headwaters of Fuller Mill Cr 2695 Comment
  SEINET13276757 Image available Glycyrrhiza lepidota Mitch Provance 2012-1 196 -05 Riverside San Bernardino Valley: Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave (Riverside 7.5' Q.) 226 Comment
  RSA737418  Gnaphalium canescens Justin M. Wood 2008-9-19 133 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR101355  Gnaphalium canescens subsp. microcephalum A. C. Sanders 1997-4-10 20325 Riverside Tucalota Hills, east of Lake Skinner 701 Comment
  RSA535472  Gnaphalium luteoalbum Steve Boyd, Tim Ross, Orlando Mistretta 1992-2-2 6647 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
  UCR149978  Gnaphalium luteoalbum Scott D. White, Angelia Carey 2004-5-7 10322 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  UCR91735  Gnaphalium luteoalbum A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18105 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  UCR157950  Gnaphalium palustre T. B. Salvato, A. C. Sanders 2005-5-17 920 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
  UCR20734  Gnaphalium stramineum A. C. Sanders, Steve Boyd 1980-5-2 1404 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  SEINET3071808  Grusonia parishii Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17498 Riverside Queen Mountain quadrangle, zone 11 0585460mE 3765223mN NAD83, Queen Valley, 1km west of Desert Queen (McHaney's) Mine, 1km ESE of the summit of Negor Hill, 13km SSW of Twentynine Palms 1335 Comment
  RSA318854  Gutierrezia californica M. A. Lane 1982-10-13 3028 Riverside 45.2km (28.1 miles) E of Kern Camp Summit of the San Jacinto Mtns on California State Hwy 74. Comment
  UCR241003  Gutierrezia californica Tracy Tennant 1998-11-24 157 Riverside San Jacinto Valley, western edge of Hemet, near intersection of Stetson Ave. and California Ave. 473 Comment
  UCR4210  Gutierrezia californica K. S. Gill 1965-3-14 s.n. Riverside hillside towards Agricultural Extension Buildings on UC Riverside campus. 244 Comment
  RSA486456  Gutierrezia sarothrae Richard Noyes, L. Arnseth 1988-10-30 760 Riverside Harford Springs County Park vicinity. East of Park boundry and bordering Gavilan Mine Road. 610 Comment
  RSA600179  Gutierrezia sarothrae D. L. Banks, S. D. Boyd 1995-10-26 0827 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; W of the Woodchuck Trail, at the first grassland area along the trail. Approximately 0.8 miles from the Wilderness boundary. 744 Comment
  SBBG34497  Gutierrezia sarothrae D. Myrick 1969-10-19 2126 Riverside Palms to Pines St Hwy 74, above Palm Desert 609 Comment
  UCR163991  Haplopappus squarrosus John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, 2 miles NE of Squaw Mountain 640 Comment
  CAS-BOT-BC231101  Harpagonella palmeri Steve Boyd 1986-4-2 1589 Riverside Gavilan Plateau, Gavilan Hills: S end of Harford Springs county Park 640 Comment
  UCR67350  Harpagonella palmeri Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4060 Riverside Peninsular Range, Vail Lake area, summit of 'Big' Oak Mtn. at east end 793 Comment
  UCR77719  Harpagonella palmeri Steve Boyd 1991-5-7 6165 Riverside Peninsular Ranges, Santa Ana Mountains, SE and E side of Elsinore Peak 1067 Comment
  POM212947  Helianthemum scoparium var. aldersonii P. A. Munz 1941-5-18 16660 Riverside North end of Santa Rosa Ranch, Elsinore Mts. 854 Comment
  RSA162726  Helianthemum scoparium var. aldersonii J. D. Olmsted 1959-4-17 411 Riverside Rattlesnake Rock along Black Star Canyon Road 1 mi. north of Hidden Ranch and below Beacon Pines Ranch; 10 mi. SW of Corona 747 Comment
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Jun 6 2013
  RSA180348  Helianthemum scoparium var. aldersonii E. W. Lathrop 1959-4-2 4415 Riverside 18 miles W of Murrieta, Cottonwood Canyon of the Tenaja Range. Comment
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Apr 28 2011
  CSUSB1539  Helianthus annuus M. Peterson 1972-6-29 S. N. Riverside Riverside Comment
  CAS-BOT-BC305618  Helianthus californicus Ralph Hoffman 1929-9-7 s.n. Riverside San Jacinto Mt. 1828 Comment
  RSA0012943  Helianthus californicus P. A. Munz 1922-9-5 6362 Riverside Strawberry Valley, north end. 1677 Comment
  RSA152146  Helianthus gracilentus Wesley O. Griesel 1962-6-29 s.n. Riverside Road between Banning & Idyllwild. Comment
  SBBG8404  Helianthus niveus H. and M. Dearing 1942-3-21 4836 Riverside Cathedral City, near Palm Springs Comment
  UC1532826  Heliotropium curassavicum Robert F. Thorne, C. W. Tilforth, L. DeBuhr and E. Lathrop 1975-8-29 47310 Riverside Santa Rosa Plateau, Mesa de Burro, Rancho California 609 Comment
  UCR13401  Heliotropium curassavicum var. oculatum William A. Hunt 1972-5-19 720519- 2 Riverside Upper Santa Ana River/San Bernardino Valley Region, west edge of UCR campus, behind Bannockburn, between Canyon Crest Dr. and 60 Fwy 305 Comment
  RSA525279  Hemizonia fasciculata Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4593 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  UCR125212  Hemizonia fasciculata Mitch Provance 1998-5-5 520 Riverside City of Riverside, Hillside area, near Central Ave., along the N periphery of the Riverside Airport, south of the Wall Street Journal Ofc. 250 Comment
  UCR261270  Hemizonia kelloggii A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-19 41723 Riverside Temescal Canyon, across Temescal Canyon Rd. from Lee (Corona) Lake dam, N of I-15 Fwy, mouth of Indian Canyon Wash 354 Comment
  RSA740627  Hemizonia mohavensis Scott D. White, Justin M. Wood 2008-7-8 12382 Riverside San Jacinto Mountains: Hurkey Creek Watershed- Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  UCR134656  Hemizonia paniculata Mitch Provance 1998-4-10 413 Riverside La Sierra Hills, east-facing slopes of hills at western extreme of Cypress Ave 351 Comment
  UCR260538  Hemizonia paniculata T. B. Salvato, Matt Malle, Tom Sullivan 2014-5-28 7993 Riverside Perris-Aguanga Basin, Menifee, south side of Bundy Canyon Road between Sunset Ave and Lynx Rd. 0.9 mi west of the intersection of Bundy Canyon Road and Murrieta Rd, and 4.2 mi southeast of Canyon Lake 543 Comment
  UCR266254  Hemizonia paniculata D. E. Bramlet 2006-7-26 4041 Riverside Perris-Aguanga Basin Region, Menifee Valley, Old Newport Road west of Briggs Rd. 439 Comment
  UCR202232  Hemizonia pungens subsp. laevis Karin Cleary-Rose 1998-9-7 s.n Riverside Perris-Aguanga Basin Region; San Jacinto River Valley, west edge of Hemet, east of Warren Rd., south of Esplanade and north of the Tres Cerritos Hills 460 Comment
  UCR213882  Hemizonia pungens subsp. laevis Scott D. White 2009-8-10 13353 Riverside Temecula Valley, city of Temecula, west bank of Murrieta Creek, from Rancho California Road to Cherry Street 313 Comment
  RSA124445  Hesperocallis undulata Percy C. Everett, E. K. Balls 1958-4-29 23027 Riverside 5.4 miles NE along road to Rice and Vidal Junction from Desert Center. 259 Comment
  UCR244916  Hesperocallis undulata Jim Andre 2012-3-19 21357 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177, 8.6 mi. NE of junction with I-10 152 Comment
  CAS-BOT-BC403803  Hesperocnide tenella Steve Boyd 1986-4-2 1598 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park 640 Comment
  SD262308  Hesperolinon micranthum Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-18 417 44 Riverside Perris-Aguanga Basin: Menifee, S side of Bundy Canyon Rd., E side of Loerch Ln, 0.2 miles W of Murrieta Rd. (Romoland 7.5'Q) 518 Comment
  UCR24935  Heterocodon rariflorum A. C. Sanders 1981-7-19 1691 Riverside Peninsular Range; San Jacinto Mtns., James Reserve in Hall Canyon above Lake Fulmor, 3.5 mi NW of Pine Cove 1707 Comment
  UCR140567  Heteromeles arbutifolia Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 9- 69 Riverside San Jacinto Mtns, San Bernardino National Forest, 12 miles east of Hemet on Hwy 74 near Dry Creek, Site L9 961 Comment
  RSA0074601  Heterotheca fastigiata Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5012 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
  RSA0075895  Heterotheca grandiflora E. W. Lathrop 1966-3-2 6045 Riverside 12 miles NW of Murrieta, Skyline Drive Road at junction of Wildomar and Los Alamos truck trails. 878 Comment
  RSA698121  Hibiscus denudatus W. Marquart 1938-3-12 s.n. Riverside 10 miles west of Blythe. Comment
  UCR124099  Hilaria rigida Steven R. Hill 2001-5-3 33679 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 3.8 mi west of Calif. Hwy 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area 793 Comment
  RSA0040034  Hilaria rigida W. Marquart 1938-3-12 s.n. Riverside Mule mts. south of Chuckwalla range. Comment
  CAS-BOT-BC55304  Hirschfeldia incana Katherine Esau 1935-6-15 s.n. Riverside Near Riverside. Comment
  JOTR16639  Hirschfeldia incana Baker, James K. & Baker, Ilisa T. 1966-6-26 s.n. Riverside Joshua Tree National Park. AT PROSPECT 1/2 MILE WEST SPLIT ROCK 1402 Comment
  SD187381  Hirschfeldia incana Scott D. White, Angelia Carey 2004-4-16 10170 Riverside Indian Creek and adjacent slopes. 548 Comment
  SEINET6654966  Hoffmannseggia densiflora Sears 1977-10-12 S 583 Riverside 20 miles East of Desert Center, 10 miles East of Corn Springs exit.; 0 134 Comment
  JEPS48855  Hoffmannseggia glauca Marjorie D. Clary 1932-5-22 934 Riverside Hexie Mountains, Pleasant Valley Pleasant Valley; Hexie Mountains, Pleasant Valley Comment
  UC570587  Hoffmannseggia glauca Frank W. Peirson 1935-4-17 11469 Riverside 9 mi s Blythe Comment
  CAS-BOT-BC207557  Hoffmannseggia microphylla H. M. Hall 1905-4-1 5779 Riverside 10 miles west of Coachella 91 Comment
  RSA663906  Hoffmannseggia microphylla C. R. Annable 1995-3-10 2260 Riverside 1.6km S of Lake Cahuilla County Park. Comment
  UC65757  Hoita macrostachya E. A. Zumbro 1904-1 418 Riverside Cold Water Canyon Santa Ana Mts. Comment
  SD146089  Hordeum depressum A. C. Sanders, K. C. Rose 1998-5-21 21857 Riverside Hemet: alkaline flats west of town, E of the canal, S of Hwy 74 (Florida) and ca. 1/4 mi. W of Warren Road 456 Comment
  UCR181955  Hordeum intercedens Mitch Provance 2005-5-17 6554 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
  UCR91888  Hordeum marinum subsp. gussoneanum A. C. Sanders, K. D. Jones, D. Malueg 1996-4-20 18042 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  SEINET10611043  Hordeum marinum subsp. gussoneanum Philip A. Munz 1941-5-18 Munz 16651 Riverside Moist slope, north end of Santa Rosa Ranch, Elsinore Mts. 914 Comment
  RSA614126  Hordeum murinum subsp. leporinum D. L. Banks 1997-2-23 1293 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
  UCR83242  Hordeum vulgare N. M. Fellows 1982-4-14 s.n. Riverside Riverside, on the edge of Pigeon Pass Road north of Hwy 60 518 Comment
  CAS-BOT-BC148562  Horkelia clevelandii Ralph Hoffmann 1929-9-7 s.n. Riverside Meadow, San Jacinto Mt. 1645 Comment
  SD2234  Horkelia clevelandii var. clevelandii Florence Youngberg 1933-8-28 Riverside Idyllwild Pines, San Jacinto Mts. Comment
  LA203775  Hulsea vestita subsp. callicarpha John O'Leary; 1975-6-13 415 Riverside next to Hwy. in the San Jacinto Mts. (1 mi. S. of Lake Fulmor) 1554 Comment
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Jun 23 2013
  RSA5897  Hulsea vestita subsp. callicarpha C. B. Wolf 1932-8-5 3970 Riverside Along Trail from Tahquitz Valley to San Jacinto Peak, above the small stream and wet meadow feeding Tahquitz Creek. 2895 Comment
  RSA89922  Hulsea vestita subsp. callicarpha E. K. Balls, PC Everett 1953-7-1 18348 Riverside 5 miles NW of Idyllwild on road to Banning. 1524 Comment
  SD8848  Hulsea vestita subsp. callicarpha Bros. Parish Jun 1880 Riverside San Jacinto Comment
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Nov 29 2010
  UCR137742  Hydrocotyle ranunculoides L. C. Wheeler 1961-6-24 7907 Riverside San Jacinto Mountains, Fulmor Lake Comment
  CHSC8374  Hymenoclea salsola Edward L. Smith 1957-4-3 258 Riverside San Bernardino Mts. Located at entrance to White Water Canyon. 579 Comment
  POM361063  Hymenoclea salsola Ora M. Clark 1929-2-24 1537 Riverside Cabazon, Colorado Desert. Comment
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Mar 13 2011
  RSA772012  Hymenoclea salsola Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4959 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
  RSA777819  Hymenoclea salsola var. pentalepis Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 848 Riverside Chuckwalla Mountains Wilderness, off Corn Spring Road. Large wash draining out of large canyon in Chuckwalla Mountains, draining through pavement plain bajadas 396 Comment
  UCR238062  Hymenopappus filifolius var. lugens Mark A. Elvin 2004-6-2 3499 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley, east of Hwy 74 between Fobes Ranch Rd. and Morris Ranch Rd. at base of foothills 1402 Comment
  RSA180321  Hypochaeris glabra E. W. Lathrop 1965-4-25 5672 Riverside 4 miles southwest of Murrieta on the De Luz Road. Comment
  HSC101517  Hyptis emoryi J. P. Smith, J. O. Sawyer, R. J. Cole 2010-4-18 12780 Riverside On rocky slope among granite boulders. 355 Comment
  HSC88233  Hyptis emoryi Elizabeth Neese 1979-4-10 7063 Riverside Joshua Tree National Monument S of Twenty-nine Palms, between Pinto Basin Jct. and Cottonwood Wash. 305 Comment
  LA61596  Hyptis emoryi Joseph Andorfer Ewan; 1929-2-22 3686 Riverside San Jacinto Mountains, Palm Canyon 304 Comment
  POM62800  Hyptis emoryi H. M. Hall 1902-04 2784 Riverside Coyote canyon 152 Comment
  RSA703383  Hyptis emoryi LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1410 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  SD144454  Hyptis emoryi G. K. Helmkamp, E. A. Helmkamp 1998-2-18 2699 Riverside Colorado Desert: Midland Rd, 3.8 mi SE of Midland, Little Maria Mtns. Comment
  UCR279529  Hyptis emoryi A. C. Sanders, Jim Malusa 2017-3-29 43184 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 2.8 km south of the confluence of Red Canyon and Salt Creek 460 Comment
  UCSB5692  Hyptis emoryi Leeuwen, Henry 1957-4-13 Riverside Next to Cal Hwy 195 about 4 miles west of US 60 Comment
  RSA0028827  Isocoma acradenia W. Schlegel, Andrew Troutte, Jordan Zylstra 2008-9-4 20 Riverside San Jacinto and Santa Rosa Mts.: Idyllwild: Along road. Comment
  RSA770794  Isocoma acradenia var. eremophila Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4534 -a Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR9262  Isocoma acradenia var. eremophila O. F. Clarke 1969-11-10 s.n. Riverside Sonoran (Colorado) Desert, Near Whitewater on Hwy 111, 2 mi. SE of point where 111 merges into Hwy I-10 at Verbenia Ave. 351 Comment
  SEINET3863798 Image available Isoetes howellii Robert F. Thorne, Earl Lathrop 1975-5-20 45542 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro.; 0 610 Comment
  CLARK-A1045-325  Isomeris arborea var. angustata George K. Helmkamp 1977-3-20 Riverside Cabazon edge of dry wash south of Cabazon; ; Cabazon 7.5'Q Comment
  RSA594209  Ivesia callida M. Hamilton, Paul Sheppard 1981-7-26 s.n. Riverside Tahquitz Peak. 2500 Comment
  SEINET10796317  Juncus J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12856 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then several kilometers on Whitewater Canyon Road to where it crosses over the river. Comment
  RSA776931  Juncus acutus subsp. leopoldii Amber Swanson, Duncan S. Bell 2011-3-11 214 Riverside On Willis Trail, Willis Palm Oasis near spring off Thousand Palms Rd in the Coachella Valley Preserve. 104 Comment
  UC667381  Juncus acutus subsp. leopoldii Annie M. Alexander and Louise Kellogg 1941-5-26 2241 Riverside Monsen Canyon Colorado Desert, Eagle Mountains 914 Comment
  UC1930100  Juncus arcticus var. mexicanus Scott D. White, Justin Wood 2008-6-5 12062 Riverside San Jacinto Mountains: Quinn Flat Meadow. Comment
  UCR96427  Juncus balticus Scott D. White 1996-8-1 4427 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  UCR121176  Juncus bufonius D. E. Bramlet 1991-5-2 2111 Riverside Crown Valley, c. 2300 ft. (~0.44 mi.) SE of Rawson Road 701 Comment
  RSA500202  Juncus bufonius var. bufonius Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3541 Riverside Vail Lake area, pond and freshwater marsh in Kolb Crk. just south of the lake. Comment
  UCR132827  Juncus dubius A. C. Sanders, Steve Boyd, Jeff Ross, , Mitch Provance 1998-10-25 22274 Riverside San Jacinto Mtns., Hwy 74, roadside seep c. 2 miles below (west of) Mountain Center 1250 Comment
  UC2029975  Juncus mexicanus Scott D. White, Tasha LaDoux 20 Apr 2000 7689 Riverside SOUTH OF HEMET: Gibbel Flat in the Santa Rosa Hills. Comment
  UCR193370  Juncus oxymeris A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35636 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  POM12142  Juncus rugulosus Mary F. Spencer 1259 Riverside Soboba Hot Springs, San Jacinto. 579 Comment
  POM49575  Juncus rugulosus Phillip A. Munz, I. M. Johnston 1924-7-28 8800 Riverside Pine Flats 1738 Comment
  UCR70880  Juncus sphaerocarpus F. W. Peirson 1922-5-19 3019 Riverside Menifee Valley 457 Comment
  UCR18437  Juncus xiphioides J. Olmstead 1966-6-7 s.n. Riverside Santa Rosa Mtns., Deep Canyon between road end & first falls, above gauging station 610 Comment
  CHSC83606  Juniperus californica John Dittes 2002-1-5 2 -49 Riverside Mojave Desert; ca. 11 air-miles south-southwest of Twentynine Palms, ca. 0.8 mile northwest of Hidden Valley Campground, ca. 1 mile east of Lost Horse Ranger Station, base of ridge west of Loop Road. 1286 Comment
  JEPS48331  Juniperus californica W. L. Jepson 1901-5-22 1412 Riverside Palm Canyon Mt. San Jacinto, Palm Canyon Comment
  JOTR30061  Juniperus californica La Doux, Tasha, Mike Bell, Katy Mathews, Alice Miller, Amber Holt 2007-5-23 1692 Riverside Joshua Tree National Park. Stop #1 = Near Geology Tour rd., N of Malapai Hill 1267 Comment
  RSA604385  Juniperus californica L. C. Wheeler 1960-1-2 7672 Riverside Alberhill. Open rocky flat. Comment
  UCR93044  Juniperus californica Scott D. White 1995-12-24 3797 Riverside Lakeview Mtns., Juniper Flats Road, c. 1.2 road mi north of the junction w/ SR 74. 610 Comment
  LA202776  Justicia californica Martha Hilend; 1929-12-27 366 Riverside Shafer's Well Comment
  RSA0062479  Kallstroemia californica A. C. Sanders, T. B. Salvato 2012-10-12 40409 Riverside Chuckwalla Valley, along Chuckwalla Valley Rd. near intersection with Graham Pass Rd., 4.56 km west of I-10 junction. 124 Comment
  RSA780234  Kallstroemia californica Stephanie Rockwood, Christi Gabriel 2011-10-13 116 Riverside West side of the West Riverside Mountains. Highway 62 to Rice Valley Road. Rice Valley. 256 Comment
  UCR26258  Kallstroemia californica John C. Roos 1963-10-24 s.n. Riverside Sonoran (Colorado) Desert, Hayfield, Colorado Desert 427 Comment
  RSA0018943  Keckiella antirrhinoides subsp. antirrhinoides Ora M. Clark 1929-3-16 1695 Riverside South of Cabazon, Colorado Desert. Comment
  CAS-BOT-BC236723  Keckiella antirrhinoides subsp. microphylla Annie M. Alexander; Louise Kellogg 1941-5-21 2215 Riverside North base of Eagle Mountains, Colorado Desert 1158 Comment
  UCR104940  Keckiella antirrhinoides var. antirrhinoides A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20698 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
  JOTR16846  Keckiella antirrhinoides var. microphylla Baker, James K. & Baker, Ilisa T. 1966-6-1 s.n. Riverside Joshua Tree National Park. SQUAW TANK VICINITY 1097 Comment
  RSA16372  Keckiella cordifolia Percy C. Everett 1935-6-17 7159 Riverside Coldwater Canyon Trail to Santiago Peak., 2 miles above Glen Ivy Resort. 610 Comment
  CAS-BOT-BC246204  Keckiella rothrockii H. M. Hall 1901-6-1 2588 Riverside Tahquitz Valley, San Jacinto Mts. 2499 Comment
  RSA160543  Keckiella rothrockii subsp. jacintensis J. D. Olmsted 1959-7-1 704 Riverside 1/4 mi. N of trunoff to Strawberry Cienega along trail from saddle to San Jacinto Park.; 4 mi ENE of Idyllwild; San Jacinto Mtn. Range. 2744 Comment
  RSA0014927  Koeleria macrantha LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6150 Riverside Along road (5S24). End of Marion Ridge road, south of the community of Pine Cove. Ridge running south down to Idyllwild school of performing arts, west of Strawberry Valley. 1799 Comment
  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
  CAS-BOT-BC43707  Krameria erecta H. M. Hall 1901-6-1 2114 Riverside Eastern base, along the borders of the Colorado Desert Comment
  UC68534  Krameria erecta E. E. Schellenger Apr. 1905 Riverside Hodge Mine, Mule Mountains; Colorado Desert Comment
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Nov 30 2015
  POM1809  Krameria grayi I. M. Johnston 1917-4-4 s.n. Riverside Andreas Canon. Comment
  UCR200303  Krameria grayi Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11228 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
  RSA191403  Lagophylla ramosissima E. W. Lathrop, R. F. Thorne 1967-9-26 6663 Riverside 6 miles NW of Murrieta. 610 Comment
  JEPS23490  Larrea tridentata W. L. Jepson 1914-5-22 6046 Riverside Thousand Palms Canyon; Colorado Desert Comment
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Apr 3 2011
  JOTR32608  Larrea tridentata La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2672 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  RSA0124823  Larrea tridentata Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8749 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
  UCR260355  Larrea tridentata A. C. Sanders, Jim Malusa 2015-3-10 41369 Riverside Sonoran (Colorado) Desert, north end of Chocolate Mountains, Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range 610 Comment
  POM361587  Lasthenia coronaria M. B. Dunkle 1935-3-10 4356 Riverside Temescal Canyon. 274 Comment
  RSA673634  Lasthenia coronaria Scott D. White, Tasha La Doux 2000-4-20 7707 Riverside South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills. 610 Comment
  JEPS102002  Lasthenia glabrata subsp. coulteri Raymund Chan 1998-3-22 98005 Riverside 1.5 mi W of Lakeview (on N side of Ramona Expressway; 200-300 ft E of San Jacinto River) Comment
  RSA556488  Lasthenia glabrata subsp. coulteri Julie Greene 1993-3-13 1058 Riverside On the berm between the western ponds 440 Comment
  RSA609951  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1992-4-15 2231 Riverside The site is adjcent to 150m north of the Colorado River aqueduct road, some 620m east of warren Road. The site is approximatly 150-305m south of the Ramona Expressway. 427 Comment
  UCR85534  Lasthenia gracilis A. C. Sanders 1993-4-5 13694 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
  UCR91211  Lasthenia gracilis A. C. Sanders, E. J. Lawlor, C. L. Sanders 1996-4-21 18070 Riverside S slope of San Bernardino Mtns, Morongo Indian Reservation, grounds of the Malki Museum, NE of Banning. 732 Comment
  RSA802253  Lathyrus Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 4999 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  SDSU331  Lathyrus vestitus H. Wedberg 1962-4-20 904 Riverside 13.4 miles from Hwy 79 in Hemet, and 5.5 miles from Cranston Ranger Station on road to Idyllwild. Climbing over shrubs in chaparral. 762 Comment
  RSA282931  Lathyrus vestitus subsp. alefeldii C. W. Tilforth, B. Busenberg 1980-4-10 1981 Riverside Along north leg of Thomas Mountain Road, south of Lake Hemet, west of Hwy 74 Comment
  POM19605  Lathyrus vestitus subsp. laetiflorus Mary F. Spencer 1923-07 2195 Riverside Idyllwild, San Jacinto Mountains. 1646 Comment
  RSA535474  Lathyrus vestitus subsp. laetiflorus Steve Boyd, T. S. Ross, Orlando Mistretta 1992-2-2 6648 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
  RSA608358  Lathyrus vestitus subsp. vestitus Leota Brice 1930-4-13 30 Riverside San Jacinto Mts. Comment
  SD8724  Lathyrus vestitus var. alefeldii Daniel Cleveland 1882-4-22 Riverside Temecula Comment
  UCR89878  Lathyrus vestitus var. vestitus Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3339 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  JOTR29582  Layia glandulosa Andre, Jim 2006-4-6 6714 Riverside Joshua Tree National Park. Along Desert Queen Mine Rd 1362 Comment
  HSC5905  Layia platyglossa C. L. Hitchcock 1966-3-15 24146 Riverside 1 mi. E of Glen Ivy Hot Springs Comment
  RSA612820  Layia platyglossa D. L. Banks 1997-3-1 1349 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Pechanga Creek, east of the ''Fiesta Grounds'' to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation. 423 Comment
  RSA660653  Layia platyglossa Giancarlo Massarotto 1981-4-11 31 Riverside Calico Road 11 miles east of Corona land mark. 200 yards S. of the road on hills SE of S Mathews Lake. 610 Comment
  SBBG52762  Layia platyglossa N. C. Cooper 1944-4-22 1160 Riverside Banning 731 Comment
  SBBG52764  Layia platyglossa N. C. Cooper 1944-4-22 1160 Riverside Banning 731 Comment
  SEINET3893992  Layia platyglossa D. Atwood 1993-3-29 17729 Riverside Huntington Beach along Beach Blvd ca 1/2 miles N of the Beach.; 0 Comment
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Jul 20 2015
  SEINET7073395  Layia platyglossa A. G. Vestal 1963-4-23 s.n. Riverside About 1.6 mile up the Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  UC1540425  Layia platyglossa Charles B. Fiker 1946-4-8 3365 Riverside at Temecula 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
  RSA5025  Layia platyglossa subsp. campestris Dorothy R. Wolf 1932-3-20 25 Riverside Richman Ranch 2.5 mi N of De Luz. SW Riverside County 457 Comment
  RSA212924  Layia platyglossa subsp. platyglossa L. B. Ziegler 1969-5-15 s.n. Riverside Wet depression in lower hills E of Pine Meadow, Hemet Valley, San Jacinto Mts. Comment
  RSA236025  Layia platyglossa subsp. platyglossa L. B. Ziegler 1972-4-7 s.n. Riverside Meadow on top of Baldy Mtn N of Hemet Lake, San Jacinto Mts. Comment
  RSA500976  Layia platyglossa subsp. platyglossa Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3153 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA212922  Layia ziegleri L. B. Ziegler 1969-5-15 s.n. Riverside Hemet Valley, south of Kenworthy Ranger Station. 1372 Comment
  RSA604718  Lemna gibba L. C. Wheeler 1961-6-24 7914 Riverside San Jacinto Mountains: Fulmor Lake. Comment
  RSA645547  Leonotis nepetifolia A. C. Sanders, G. Helmkamp 1995-12-5 17931 Riverside Riverside: weed in the yard of O.F. Clarke, 1012 Spruce St. near Canyon Crest DR. 305 Comment
  UCR27712  Lepechinia cardiophylla A. C. Sanders, Jan West 1982-11-6 3269 Riverside Santa Ana Mtns, Indian Truck Trail, 2 mi due east of Santiago Peak, just below its junction with the Main Divide Truck Trail 1220 Comment
  UCR218317  Lepidium fremontii var. fremontii Jim Andre, T. La Doux 2009-3-10 11247 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
  HSC35735  Lepidium lasiocarpum Richard Spjut 1973-4-10 3288 Riverside Colorado Desert, N slopes of Chuckawalla Mtns., 3-4 mi. S of Desert Center 305 Comment
  UCR274017  Lepidium strictum Mitch Provance 2012-4-23 412- 30 Riverside San Gorgonio Pass, south of Banning, between the east end of Bobcat Rd. and the KOA campground on San Gorgonio Ave., in Montgomery Creek near its confluence with Smith Creek 681 Comment
  SBBG37499  Lepidium virginicum R. N. Muller 1967-5-5 33 Riverside UC Riverside campus, on S side of first E-W ridge S of irrigation reservoir Comment
  UCR144416  Lepidium virginicum var. pubescens Scott D. White, Michael Honer 2003-4-9 8998 Riverside Perris-Aguanga Basin, Gavilan Hills, c. 1 mi N of the I-15 Fwy and 1 mi east of the Lake Street exit, on and around unnamed peak '2349 640 Comment
  UCR24921  Lepidium virginicum var. pubescens A. C. Sanders 1980-7-18 1656 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  RSA697080  Lepidospartum squamatum Anonymous 1928-11-12 381 Riverside Aguanga. Comment
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Oct 23 2011
  UC23804  Leptodactylon pungens H. M. Hall 1901-6 2597 Riverside near Tahquitz; San Jacinto Mountains, near Tauquitz 2529 Comment
  HSC86132  Leptosiphon ciliatus B. Freeman 1969-6-13 6906131 Riverside San Jacinto Mtns., James Reserve Comment
  SD119890  Leptosiphon floribundus subsp. glaber Louis B. Ziegler 1973-4-26 518 Riverside San Jacinto Mountains; hillside in lower Bautista Canyon. 533 Comment
  RSA619548  Leptosiphon liniflorus D. L. Banks 1997-5-5 1997 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  SEINET7967506 Image available Leptosiphon nuttallii subsp. nuttallii John Adams 1966-4-28 747 Riverside Santa Rosa Plateau, dirt road from Murrieta to De Luz 762 Comment
  UCR141240  Lessingia filaginifolia A. C. Sanders, Mike Misenhelter 2004-10-6 28829 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
  UCR219982  Lessingia filaginifolia A. C. Sanders, D. L. Sanders 2010-11-28 38703 Riverside Peninsular Range; NW Gavilan Hills, Angel Canyon Falls, above Home Gardens at the western edge of Riverside, 4.8 km NW (303 deg. ) of Lake Mathews dam, above intersection of Lincoln St. & Indiana Ave. 279 Comment
  RSA334994  Leymus triticoides Steve Boyd 1985-7-23 1006 Riverside De Luz Rd., 5.5 miles west of Rancho California. 396 Comment
  CAS-BOT-BC451630  Lilaea scilloides Philip A. Munz 1941-5-18 16663 Riverside North end of Santa Rosa Ranch, Elsinore Mts. 914 Comment
  RSA198979  Lilaea scilloides Robert F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37450 Riverside Santa Rose Plateau: Mesa de Colorado, Rancho California. 671 Comment
  RSA286789  Lilaea scilloides Robert F. Thorne 1974-5-23 44677 Riverside Santa Rosa Plateau, Rancho California: N base of Mesa de Colorado 610 Comment
  UCR60834  Lilaea scilloides R. F. Thorne 1973-5-23 43874 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  UC454443  Lilium parryi I. J. Condit 1910-6-22 Riverside San Jacinto Mt. 2438 Comment
  UCR217562  Limnanthes gracilis subsp. parishii Jeff B. Galvin 2009-4-2 82 Riverside Peninsular Ranges, foothills of the Santa Ana Mountains, Santa Rosa Plateau, Mesa de Colorado, east of the large vernal pool 607 Comment
  UCR224046  Limonium duriusculum Justin M. Wood 2009-11-30 1386 Riverside Southwest Perris Basin, Temecula, Murrieta Creek, downstream of 1st Street Bridge 305 Comment
  UCR127856  Limonium ramosissimum R. E. Riefner Jr. 2003-5-27 03- 241 Riverside Elsinore Trough, back basin of Lake Elsinore, Malaga Rd. near Mission Trail, SE of intersection 390 Comment
  RSA49349  Linanthus aureus var. decorus P. A. Munz 1949-4-11 13017 Riverside Near Conejo Well, north base of Eagle Mts 915 Comment
  SBBG34194  Linanthus dianthiflorus T. L. Secrest 1951-5-19 Riverside from Idyllwild to Hemet Lake Comment
  SBBG93118  Linanthus dianthiflorus R. Montijo 1990-4-27 Riverside Rancho California Area, E of Santa Rosa Plateau, Green Meadow Rd off de Portoloa Rd 609 Comment
  SD231405  Linanthus jonesii J. Mark Porter, Sara DeGroot 2005-3-9 14247 Riverside East of State Route 62, on paved road between Peirson Blvd. and Indian Ave., north of the Metropolitan Water District Resevior, Morongo Valley. On both sides of the roads. 486 Comment
  UCR51953  Linanthus jonesii Steve Boyd, T. S. Ross, D. Nordin, L. Arnseth, Richard Noyes, S. Meury 1988-3-10 2174 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  UC219190  Linanthus lemmonii P. A. Munz 1922-4-29 5033 Riverside Temescal Canyon Comment
  UC219561  Linanthus liniflorus P. A. Munz 1922-6-23 5781 Riverside Hemet Valley San Jacinto Mts. 1371 Comment
  JOTR32142  Linanthus maculatus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2298 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy, braided ephemeral wash flowing northeast (Stop 2) Comment
  RSA657236  Linanthus maculatus J. Mark Porter, Valerie Soza, Gary D. Wallace 2001-4-2 12333 Riverside Coachella Valley, along Big Morongo Wash, N of Indian Avenue, ca. 1.5 mi ESE jtn. with Hwy 62. 457 Comment
  SBBG64713  Linanthus pungens subsp. hallii R. Hoffmann 1929-9-10 Riverside Tahquitz Pk 2438 Comment
  UCR57229  Linanthus pygmaeus 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
  UCR269921  Linaria canadensis Daphne K. Christopher, Hannah I. Stevens 2003-4-3 077 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve 536 Comment
  SBBG87907  Linaria maroccana B. Pitzer 1986-2-22 17 Riverside Whitewater Cyn, at Fish Hatchery Comment
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Jan 14 2010
  CAS-BOT-BC111980  Lipocarpha occidentalis Frederick Morris Reed 1908-7-12 2443 Riverside Margin of Lake Surprise, San Jacinto Mtns. 2743 Comment
  RSA0010988  Lithophragma affine Thekla Mohr 1920-05 s.n. Riverside Ivy Canyon, Temescal. Comment
  RSA495423  Lithophragma affine subsp. mixtum Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2949 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  RSA93778  Lobelia cardinalis subsp. graminea F. W. Peirson 1922-12-27 8649 Riverside About 1 miles up in Andreas Canyon, Palm Springs region. Comment
  UCR4110  Lobularia maritima Ronald M. Cope 1965-4-13 s.n. Riverside Riverside. On side of earthen dam, south of where Gage Canal goes underground for the second time after having crossed Le Conte Dr. 259 Comment
  UCR241932  Loeflingia squarrosa A. C. Sanders, Timothy W. Chumley 2013-3-28 40693 Riverside Peninsular Range, Temescal Canyon Rd. at Pacific Clay Products plant/Bernard St., c. 1 mile north of Lake St. 370 Comment
  UCSB5121  Loeseliastrum matthewsii Broder, Richard 1958-03 Riverside 16.5 miles west of Desert Center on US 60-70 Comment
  CDA40087  Loeseliastrum schottii T. C. Fuller 1964-4-14 11824 Riverside Bench above wash of Whitewater Canyon, 4.1 miles north of Whitewater. 0 Comment
  POM47233  Loeseliastrum schottii Mary F. Spencer 1920-4-9 1567 Riverside Palm Springs. Comment
  RSA0014314  Loeseliastrum schottii Justin M. Wood, J. Miner 2010-4-30 1548 Riverside Coachella Valley: Thousand Palms, just E of intersection of Ramon Rd. and Vista de Oro, just NE of Edison substation. 61 Comment
  SEINET3222884 Image available Lolium arundinaceum J. Easton 1987-4-23 Riverside E of Anza along Hwy 371, Hamilton Creek Canyon. Comment
  RSA613311  Lolium perenne subsp. multiflorum D. L. Banks 1997-3-1 1376 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and along Pechanga Creek. 329 Comment
  POM15043  Lomatium dasycarpum subsp. dasycarpum Mary F. Spencer 1922-4-25 s.n. Riverside Lamb Canyon Pass, Banning. Comment
  JOTR32144  Lomatium mohavense La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2300 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Exposed aplite vein forming a prominent rib line with loose, cobble slope surrounding it (Stop 3) Comment
  UC494749  Lomatium mohavense Philip A. Munz and C. L. Hitchcock 1932-4-9 12228 Riverside e. Riverside Co., White Tanks Comment
  UCR20840  Lomatium mohavense A. C. Sanders, Steve Boyd 1980-4-17 595 Riverside Santa Rosa Mtns, Palms to Pines Hwy, near Ribbonwood 1284 Comment
  UCR6042  Lomatium utriculatum Randy Salstrom 1966-3-15 s.n. Riverside Box Springs Canyon, 100 yards east of freeway between Riverside and Beaumont, 2 mi. south of UCR 459 Comment
  UCR193865  Lonicera subspicata A. C. Sanders, Mitch Provance 2008-7-11 35799 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
  RSA171013  Lonicera subspicata var. denudata R. F. Thorne 1963-7-26 32818 Riverside Santa Ana Mts., Cleveland National Forest, Trabuco District 305 Comment
  UCR97256  Lonicera subspicata var. denudata Scott D. White 1997-2-9 4684 Riverside Peninsular Range, Elsinore Basin; Temescal Valley: SW of Hwy I-15 between Indian Truck Trail and Lake Street exits, c. 0.5 mi east of Glen Eden 460 Comment
  CSUSB1188  Lotus argophyllus Margaret-Lee Dean 1965-4-5 Riverside Bernasconi Hills, 6 miles east of Highway 395 on Martin Road 487 Comment
  JEPS55418  Lotus argophyllus W. L. Jepson 1901-5-20 1331 Riverside Thomas Valley to Van Deventer Ranch Comment
  UCR87651  Lotus argophyllus Michael A. Patten, S. J. Myers 1993-8-20 s.n. Riverside Sonoran (Colorado) Desert, along Tahquitz Creek and behind the debris basin dam in Palm Springs 183 Comment
  SEINET238552  Lotus argyraeus var. argyraeus George K. Helmkamp 1998-6-27 4125 Riverside Santa Rosa Mtns.: 9 mi SE of Hwy 74 along Santa Rosa Mtn Rd. in vicinity of Santa Rosa Spring. 2232 Comment
  POM12089  Lotus crassifolius Mary F. Spencer 1921-6-27 1199 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  POM12751  Lotus crassifolius P. A. Munz 1922-7-7 6061 Riverside Fern Valley Comment
  UCR109482  Lotus heermannii A. C. Sanders, D. R. Schramm, D. Wappler 1994-10-4 15773 Riverside San Jacinto Mountains, N slope of the mountains; Brown Creek drainage 0.3-0.5 mi. above confluence with Twin Pines Cr. 915 Comment
  SEINET3208896  Lotus nevadensis var. nevadensis G. Goodwin 2012-6-14 3451 Riverside San Jacinto Mountains, south of Banning along highway 243 just north of Vista Grande viewpoint 1550 Comment
  UCR112001  Lotus purshianus A. C. Sanders, T. B. Salvato 2000-5-25 23424 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR89768  Lotus purshianus Scott D. White 1993-5-27 1425 Riverside North Alberhill Ranch, hills north of Walker Canyon 488 Comment
  RSA498788  Lotus rigidus Frances L. Cramer 1941-5-3 s.n. Riverside Joshua Tree National Monument Comment
  UCSB16928  Lotus rigidus Dennis E. Breedlove 1962-3-11 1893 Riverside collected 8.0 mi SW, along State Highway 74 Palm Desert - Palm Desert and State Highway 74 640 Comment
  RSA92569  Lotus salsuginosus var. salsuginosus J. C. Roos, Lucille Roos, A. R. Roos 1952-5-19 5694 Riverside On hills north of Moreno. Comment
  CSUSB1267  Lotus scoparius Ray O. Perez 1955-5-5 Riverside shady bank 200 yards east of life science building (UCR campus) Comment
  VVC210  Lotus scoparius F. Zaebst 1959-2-26 s.n. Riverside S Calif, UC Riverside Campus; 100 yds S on Rd behind C.E.S. Administration Bldg 325 Comment
  RSA770844  Lotus scoparius var. brevialatus Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4944 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
  RSA775494  Lotus scoparius var. brevialatus Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4412 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
  SEINET223327 Image available Lotus scoparius var. brevialatus Barbara Ertter, Jeffrey Strachan 1980-5-20 3469 Riverside West side Whitewater Hill east side Whitewater Wash northeast end of Cachella Valley north of I-10 457 Comment
  UCR100870  Lotus strigosus George K. Helmkamp, E. A. Helmkamp 1998-2-18 2704 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  UCR116862  Lotus strigosus A. C. Sanders, Steven R. Hill 2001-5-4 24135 Riverside Santa Ana Mtns. region, W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Creek. Dr.), E side of Rancho Calif. Rd. 488 Comment
  UCR183165  Lotus strigosus Mitch Provance 2003-5-5 4410 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  UCR207315  Lotus strigosus O. F. Clarke 1997-3-8 s.n. Riverside Peninsular Range, Box Springs Mtns., east edge of Riverside, along Box Springs Mtn. Rd. 668 Comment
  POM7040  Lotus strigosus var. strigosus P. A. Munz, L. T. Street, G. Williams 1919-3-28 2379 Riverside San Gorgonio Pass, near Cabazon 543 Comment
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Mar 13 2011
  RSA678354  Lotus strigosus var. strigosus Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10471 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
  RSA517840  Lotus tomentellus Bob Boyd, Orlando Mistretta 1986-3-13 1471 Riverside NE of Desert Center. Comment
  RSA90345  Lotus wrangelianus F. W. Peirson 1930-5-10 8770 Riverside Roadside, on Hemet Plateau near March Field, between Riverside and Perris. 457 Comment
  RSA90137  Ludwigia peploides subsp. peploides E. K. Balls, George B. Everett 1953-8-19 18528 Riverside Lake Fulmore, on road from Banning to Idyllwild. 1625 Comment
  RSA549250  Ludwigia repens var. stipitata A. C. Sanders, O. F. Clarke 1991-10-5 11747 Riverside Santa Ana River bottom, Rancho Jurupa Park, Pleasant Acres Lake. Comment
  POM2549  Lupinus arizonicus I. M. Johnston 1917-4-4 s.n. Riverside Near Palm Springs. 152 Comment
  POM349952  Lupinus arizonicus N. C. Cooper 1944-3-25 2016 Riverside Morongo Pass. 457 Comment
  POM349954  Lupinus arizonicus N. C. Cooper 1949-4-8 3255 Riverside Mecca Pass east of Indio. 610 Comment
  RSA249450  Lupinus arizonicus John F. Emmel 1973-3-19 415 Riverside 1 road mile ESE of Corn Springs, Corn Springs Wash, Chuckwalla Mountains. 457 Comment
  RSA457758  Lupinus arizonicus Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2117 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA784933  Lupinus arizonicus Duncan S. Bell 2012-2-12 3101 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  RSA795737  Lupinus arizonicus Jim Andre 2012-3-18 21286 Riverside Palen Valley; along Rice Road (Highway 177) east of Coxcomb Mountains, 9.6 miles south of Highway 62. 208 Comment
  UCR213884  Lupinus arizonicus Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10895 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  UCR267894  Lupinus arizonicus Jim Andre 2013-3-4 23857 Riverside Sonoran (Colorado) Desert, 0.2 miles east of Hwy 95, just south of Riverside Mountains, just north of Queen Sable Point 96 Comment
  SEINET10490537  Lupinus arizonicus subsp. arizonicus David B. Dunn 1946-2-22 Dunn 1965 Riverside In mud flats dry, caked and split. All american canal catch basin from desert Washes. Oracopia mountains ne of the saltan sea. Very arid country Comment
  SEINET6180878  Lupinus arizonicus subsp. setosissimus Noel H. Holmgren, Patricia K. Holmgren 1974-3-23 7469 Riverside Box Canyon wash, 11.4 (9 airline) imles east-northeast of Mecca.; 0 244 Comment
  SEINET10489199  Lupinus arizonicus subsp. setosissimus Noel H. Holmgren, Patricia K. Holmgren 1974-3-23 Holmgren 7469 Riverside Box canyon wash, 11.4 (9 air miles) miles ene of mecca. T6s,r10e,sec.35. Frequent on gravel bar in wash. Petals pink-purple, banner with yellow center Which turns maroon with age 244 Comment
  HSC85456  Lupinus bicolor Steve Boyd 1986-4-2 1599 Riverside Harford Springs County Park, NW corner of the Gavilan plateau 612 Comment
  UCR122536  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2001-5-20 6662 Riverside San Jacinto Mtns., 0.3 mi NW of Keen Camp Summit along CA-74 1494 Comment
  UCR136254  Lupinus bicolor A. C. Sanders 2004-4-20 27570 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  UCR154762  Lupinus bicolor T. B. Salvato, Kent Beaman 2005-5-16 789 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
  OBI83273  Lupinus bicolor Rhonda Riggins 1985-3-27 1517 Riverside Santa Roas Plateau. Comment
  RSA125335  Lupinus concinnus subsp. optatus R. Weatherby 1949-6-6 640 Riverside Santa Rosa Mtn. 1982 Comment
  RSA407143  Lupinus concinnus subsp. optatus N. C. Cooper 1944-5-21 1285 Riverside San Jacinto Mtns. West Side. 1220 Comment
  LA205090  Lupinus excubitus Elizabeth Levine; 1949-5-22 sn Riverside off the Pines to Palms Highway past Lake Hemet Comment
  CAS-BOT-BC216678  Lupinus excubitus subsp. hallii P. A. Munz 1918-4-27 2153 Riverside Temescal Canyon Comment
  SEINET10451307  Lupinus excubitus subsp. hallii August J. Breitung 1953-4-19 Breitung 14766 Riverside Roadside through hills w of beaumont. Stems woody, fls rose-violet, showy. With yellow center on banner. Comment
  RSA33770  Lupinus excubitus var. austromontanus N. C. Cooper 1944-6-17 2006 Riverside San Jacinto Mtns. above Banning. 1220 Comment
  POM2438  Lupinus excubitus var. hallii Philip A. Munz 1918-4-27 2120 Riverside Elsinore Comment
  POM2613  Lupinus excubitus var. hallii Philip A. Munz 1918-4-27 2120 Riverside Near Elsinore Comment
  RSA572998  Lupinus excubitus var. hallii Steve D. Boyd 1986-4-22 1750 Riverside Temescal Canyon; Stable alluvial benches of Indian wash just S of I-15. Comment
  UCR138142  Lupinus excubitus var. hallii D. L. Banks, V. W. Steinmann 1997-3-13 1444 Riverside NW Palomar Mtns, Agua Tibia Mtns: Redhawk Housing Development, north of the Pechanga Indian Reservation in the hills south of the intersection of Marge Place and Tehachapi Pass (S of Redhawk Parkway) 378 Comment
  CLARK-A1045-333  Lupinus longifolius George K. Helmkamp 1978-5-2 Riverside Bautista Canyon along Bautista Road; Hemet 15'Q Comment
  UC68636  Lupinus sparsiflorus H. M. Hall Apr 1905 5759 Riverside Palm Springs; Colorado Desert 152 Comment
  UCSB3381  Lupinus sparsiflorus Graney, Don 1953-3-20 Riverside Arroyos of Whitewater Canyon, 1 mile from White Water, Colorado Desert Comment
  CDA27590  Lupinus succulentus McLane Riverside Highway between Riverside & Beaumont. 0 Comment
  POM202257  Lupinus succulentus Marcus E. Jones 1933-4-5 s.n. Riverside Hemet. Comment
  RSA501016  Lupinus succulentus Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3135 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 518 Comment
  CLARK-A1656-750  Lupinus truncatus Theo Glenn 1982-3-21 Riverside Snow Creek Comment
  UC1537126  Lupinus truncatus Gordon H. True Jr. 1935-4-8 228 Riverside Mockingbird Canyon 457 Comment
  UC665740  Lupinus truncatus Ira L. Wiggins 1941-3-27 9693 Riverside slopes 4 mi n Whitewater; n of Whitewater Comment
  UC73208  Lupinus truncatus Miss M. A. King 1893-1 Riverside Menifee Comment
  VVC231  Lupinus truncatus F. Ambrey 1959-4-29 s.n. Riverside On Pala Rd, 2.4 mi South of jct w St Hwy 71 on north side of rd. 323 Comment
  UCR160093  Lycium andersonii Scott D. White 1999-4-20 7280 Riverside Colorado River Valley, Blythe area, Southern foothills of the Big Maria Mtns, NW of Calif. Hwy 95, c. 7 road mi N of the junction of Hwy 10 and Intake Blvd in Blythe 137 Comment
  POM98789  Lycium brevipes var. brevipes Philip A. Munz 1926-1-31 9964 Riverside Dos Palmas Spring Comment
  CAS-BOT-BC231642  Lycium fremontii John Thomas Howell 1928-3-24 3530 Riverside Painted Canyon, Colorado Desert Comment
  CAS-BOT-BC231497  Lycium torreyi Ivan Johnston 1917-4-4 1035 Riverside Palm Canyon 274 Comment
  JEPS45976  Lythrum californicum S. B. Parish 1897-5-31 4395 Riverside Elsinore Lake 396 Comment
  UCR180050  Lythrum californicum Mitch Provance 2005-5-18 9804 Riverside Warm Springs Valley, Nichols road wetland area at Alberhill Creek, south of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore 396 Comment
  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
  RSA192015  Lythrum hyssopifolia E. W. Lathrop 1966-5-15 6307 Riverside 3 miles SE of Murrieta on the De Luz Road. Comment
  RSA543840  Madia exigua Steve Boyd, Orlando Mistretta 1991-5-22 6305 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  RSA561015  Madia exigua Steve Boyd, Timothy S. Ross 1992-5-4 7195 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  SD181691  Madia gracilis Scott D. White, Sandy Leatherman 2000-5-31 7989 Riverside Near Squaw Mountain. 640 Comment
  JEPS26394 Image available Malacothamnus densiflorus W. L. Jepson and H. M. Hall May 17 1901-Jun 1, 1901 1387 Riverside Palm Canyon, San Jacinto Mts. Comment
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Dec 14 2017
  UCR35114  Malacothamnus fasciculatus var. laxiflorus L. B. Ziegler 1977-4-17 565 Riverside hills on W side of San Jacinto Valley 473 Comment
  UCR59693  Malacothrix clevelandii Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3539 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, hills just to SW of the dam 489 Comment
  CAS-BOT-BC345464  Malacothrix coulteri H. M. Hall 1902-4-21 2925 Riverside Vicinity of Riverside 487 Comment
  POM305807  Malacothrix glabrata Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1052 Riverside Corona-Elsinore. Comment
  RSA775224  Malacothrix glabrata Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4477 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
  UCD159796  Malacothrix glabrata Naomi Fraga; Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1425 Riverside Colorado Desert: Northeastern Colorado Desert region: along Palen Road near Highway 177. 170 Comment
  UCR279578  Malacothrix glabrata A. C. Sanders, Jim Malusa 2017-3-28 43155 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  UCR281796  Malacothrix glabrata Mitch Provance 2017-5-28 517- 109 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
  RSA722992  Malacothrix saxatilis var. tenuifolia Michael Wall 2007-6-26 429 Riverside San Jacinto Valley, Bautista Creek wash off Bautista Canyon Rd. 3.0 miles SE of jct with Fairview Ave. 678 Comment
  RSA192340  Malvella leprosa E. W. Lathrop 1966-9-14 6585 Riverside 3 miles SW of Murrieta. Comment
  CAS-BOT-BC56808  Mammillaria tetrancistra Dr. Barton W. Evermann 1916-5-13 s.n. Riverside Field redacted by CAS, contact the data manager for more information Comment
  RSA180304  Marah macrocarpa E. W. Lathrop 1965-4-4 5623 Riverside 8 miles west of Murrieta-Tenaja Range. Comment
  UCR231777  Marah macrocarpa John F. Green 2008-4-23 08- 17 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  SBBG3315  Marina parryi H. and M. Dearing 1938-5-6 1973 Riverside Box Cyn near Mecca Comment
  UCR240066  Marina parryi A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40504 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south of the Chuckwalla Mtns., along Bradshaw Trail 1 km SE of Augustine Rd. junction, large wash on SW side of road 695 Comment
  UCR107829  Marrubium vulgare D. L. Banks 1997-5-5 1987 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
  RSA651638  Marrubium vulgare Bennie Finnell 1948-5-18 s.n. Riverside Found on Phipps Ranch, kellog & Magnolia. 210 Comment
  POM12433  Marsilea vestita P. A. Munz, I. M. Johnston 1922-5-5 5154 Riverside Mystic Lake, near Moreno. 427 Comment
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Mar 20 2011
  RSA199003  Marsilea vestita R. F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37424 Riverside Santa Rosa Plateau: small stream near roadside, Rancho California 609 Comment
  UCR72820  Marsilea vestita D. E. Bramlet 1991-6-20 2198 Riverside Perris-Aguanga Basin region, San Jacinto Valley, San Jacinto Wildlife Area: c. 670 m east of Davis Rd & 60 m north of the San Jacinto River levee 475 Comment
  RSA753475  Matricaria discoidea Scott D. White, Justin M. Wood 2009-5-21 12854 Riverside San Jacinto Mountains: Garner Valley, near abandoned duck ponds, S of Quinn Flat. 1357 Comment
  UC1537054  Matricaria discoidea Gordon H. True Jr. 1936-4-15 240 Riverside Mockingbird Canyon 365 Comment
  UCR16898  Matricaria matricarioides J. N. Bullock 1970-5-16 P 25 Riverside Peninsular Range, On the E shoulder of California State Hwy 71 (the surface street) 0.2 m north of the Dawson Canyon turn off 268 Comment
  UCR174516  Matricaria matricarioides A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32510 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
  UCR77310  Meconella denticulata Steve Boyd, C. Boyd, K. A. Boyd 1992-3-21 6735 Riverside Santa Ana Mtns., San Mateo Cyn. Wilderness area. Tenaja Cyn, along trail from wilderness boundary down stream towards Fisherman's Camp 549 Comment
  UCR278833  Medicago lupulina Mitch Provance 2012-7-17 17644 Riverside Beaumont Plateau, W end of Banning, 400 ft. SW of W Ramsey St. and Roberg Ave., area of fence line dividing I-10 and parking lot. 744 Comment
  CLARK-A1528-2858  Medicago polymorpha John C. Roos 1952-4-9 5487 Riverside Fairmont Park Comment
  CSUSB1096  Medicago sativa Holzmiller 1966-4-26 Riverside roadside of highway 395 304 Comment
  SEINET7048164  Melica frutescens Steven R. Hill 2001-5-3 33666 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  RSA484228B  Melica imperfecta Anstruther Davidson 1893-04 s.n. Riverside Palm Springs. Comment
  RSA487546  Melica imperfecta Bill Wagner 1988-3-2 s.n. Riverside Glenoaks Road about 2.5 mi S if Lake Skinner and ca. 8 mi NE of Temecula. 564 Comment
  UC76981  Melica imperfecta H. M. Hall 1899-5-21 1110 Riverside Strawberry Creek; San Jacinto Mountains 1371 Comment
  UCR136252  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 the San Diego county line 640 Comment
  UCR20447  Melica imperfecta E. W. Lathrop 1966-4-13 6171 Riverside Peninsular Range, 3 mi NW of Murrieta Comment
  SEINET2063365 Image available Melilotus indicus Ed LaRue 1989-4-7 Riverside Woodcrest area: 1/2 mi NE of intersection of Van Buren Blvd. & Mockingbird Canyon Rd. 365 Comment
  UCR9547  Menodora scabra var. glabrescens Bonner Blong 1966-5-13 s.n. Riverside Santa Rosa Mtns, Martinez Canyon, below upper cabin on bench on south side of canyon 884 Comment
  UCR18812  Mentha spicata John C. Roos 1952-8-6 5881 Riverside San Bernardino Valley, Riverside, W end of Fairmont Park 259 Comment
  RSA779625  Mentzelia albicaulis var. albicaulis Duncan S. Bell 2010-4-1 659 Riverside Arica Mountains: east side of the mountain range, west side of Rice Valley, near the lowest eastern drainage point for the Arica mountains ; approximately 4.3 air miles southeast of the ghost town of Rice. 209 Comment
  RSA698075  Mentzelia involucrata J. R. Bruff 1928-4-2 s.n. Riverside Whitewater-at cork of 29 Palms road. Comment
  SBBG24103  Mentzelia involucrata A. I. Richardson 1966-3-28 Riverside above Desert Highland Hot Springs Comment
  UCR21146  Mentzelia jonesii Don Emery 1980-3-20 s.n. Riverside Sonoran (Colorado) Desert, NE end of Orocopia Mtns, SW of Chiriaco Summit 534 Comment
  SBBG4876  Mentzelia longiloba H. and M. Dearing 1942-4-3 4853 Riverside 12 mi N of Desert Center Comment
  SD249696  Mentzelia longiloba J. M. Andre 2013-3-27 24811 Riverside Region: CA-SonM; Rice Valley east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62) 241 Comment
  RSA0127364  Mentzelia longiloba var. longiloba Anstruther Davidson 1928-3-18 s.n. Riverside Near Blythe. Comment
  UC19574  Mentzelia veatchiana H. M. Hall June 1901 2145 Riverside Eastern base, along the borders of the Colorado Desert San Jacinto Mountains Comment
  CAS-BOT-BC435292  Mesembryanthemum nodiflorum Steve Boyd 1986-4-19 1713 Riverside Temescal Canyon: Warm Springs Valley. Alkali flats along Alberhill Creek drainage E of Nichols Rd. Comment
  UCR77769  Microseris douglasii subsp. douglasii Steve Boyd, D. E. Bramlet 1991-5-13 6233 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
  RSA652926  Microseris heterocarpa A. C. Sanders 1997-5-1 20626 Riverside Along horse trail in southern part of Lake Skinner Park, west of Tucalota Hills and east of Warren Rd. 488 Comment
  RSA528067  Microseris lindleyi Scott D. White 1991-4-10 91 -48 Riverside Diamond Valley area, ca. 1/2 mi. E of Mica Butte, & S of Cactus Valley Road. 610 Comment
  RSA678352  Microseris lindleyi Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10467 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
  UCR20707  Microseris lindleyi A. C. Sanders, Steve Boyd 1980-5-2 1434 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  RSA0018778  Mimetanthe pilosa M. Alice King 1893-07 257 Riverside Rayneta [Idyllwild], San Jacinto Mts. Comment
  JEPS4611  Mimulus aurantiacus var. pubescens Marjorie D. Clary 1932-5-12 1636 Riverside e Little San Bernardinos (Lost Horse Canyon); Colorado Desert, Joshua Tree National Monument 1432 Comment
  POM8480  Mimulus aurantiacus var. pubescens I. M. Johnston 1920-5-8 2289 Riverside Butte west of Lakeview. 610 Comment
  RSA38705  Mimulus aurantiacus var. pubescens Percy C. Everett 1945-6-7 11504 Riverside Indian Canyon, along Indian Canyon Truck Trail. Comment
  RSA38706  Mimulus aurantiacus var. pubescens Percy C. Everett 1945-6-7 11503 Riverside probably a hybrid with puniceus decomposed granite of steep slope and along roadside. Indian Canyon, Indican Canyon Truck Trail. Comment
  RSA550815  Mimulus aurantiacus var. pubescens David M. Thompson 1992-5-15 1063 Riverside Vicinity of Aguaga. 1.0 mi. NW of San Diego Co. line along Hwy 79. 680 Comment
  UC64230  Mimulus aurantiacus var. pubescens H. M. Hall 1900-5-15 Riverside just se Colton; Reche Canyon 457 Comment
  UC943882  Mimulus aurantiacus var. pubescens H. E. McMinn, M. Van Rensselaer 1945-6-7 1889 F Riverside Indian Canyon Truck Trail, e slope of mts. Santa Ana Mts. 640 Comment
  UCR220004  Mimulus aurantiacus var. pubescens A. C. Sanders 2010-11-18 38689 Riverside Peninsular Range; western Gavilan Hills, eastern edge of Corona, north end of 'radio tower' ridge, 1.85 mi. NNE (25 deg. ) of El Cerrito, 1 mi. SSE (143 deg. ) of Home Gardens, just east of large rock quarry 488 Comment
  UCR102860  Mimulus aurantiacus var. puniceus A. C. Sanders 1997-3-26 20096 Riverside Lake Skinner area, along foot trail at west base of Tucalota Hills 518 Comment
  UCR174330  Mimulus aurantiacus var. puniceus A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32565 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  JEPS8174  Mimulus bigelovii var. bigelovii Marjorie D. Clary 1932-3-15 1635 Riverside sw Devil's Canyon; Colorado Desert, Santa Rosa Mts. 152 Comment
  RSA49354  Mimulus bigelovii var. bigelovii P. A. Munz 1949-4-11 13012 Riverside Near Conejo Well, north base of Eagle Mts., Mohave Desert. 915 Comment
  RSA4942  Mimulus bigelovii var. bigelovii Carl B. Wolf 1932-4-27 3055 Riverside North base of Chuckwalla Mountains, 5 miles East of Desert Center, Colorado Desert. 152 Comment
  RSA500541  Mimulus brevipes Steve Boyd, Tim S. Ross, L. Arnseth 1989-6-4 3611 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, S of Hwy 79. 488 Comment
  RSA618389  Mimulus brevipes D. L. Banks 1997-5-5 1974 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  RSA68348  Mimulus brevipes G. R. Campbell 1951-5-30 16158 Riverside 9 miles west of Anza. 1067 Comment
  UC1374909  Mimulus brevipes Noel H. Holmgren, Liew Fah Seong 1969-6-17 3583 Riverside County Road R1, at Black Mountain turnoff San Jacinto Mountains Comment
  UC454132  Mimulus brevipes I. J. Condit 1910-6-24 Riverside road to Idyllwild; San Jacinto Mts. 914 Comment
  RSA588186  Mimulus cardinalis D. L. Banks, Victor W. Steinmann 1995-7-10 751 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak. In major drainage that flows off NW flank of Wildhorse Peak. 610 Comment
  UC26897  Mimulus cardinalis H. M. Hall July 1901 2382 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1584 Comment
  CLARK-A1528-4243  Mimulus floribundus John C. Roos 1937-5-10 2330 Riverside Perris Comment
  RSA612169  Mimulus floribundus Louis C. Wheeler 1932-7-9 930 Riverside Santa Ana River at Chino Creek. 152 Comment
  UCR17275  Mimulus fremontii Eric Fisher 1979-4-20 s.n. Riverside 9 mi west of Aguanga on Hwy 79; southern oak woodland [near Dripping Spring] 549 Comment
  JEPS10473  Mimulus guttatus I. W. Clokey 1935-8-21 6906 Riverside Hemet Lake 1220 Comment
  LA209400  Mimulus guttatus Elizabeth McClintock; 1940-5-19 sn Riverside about 1.5 to 2 mi from Pines to Palms Hwy on Santa Rosa Mt Rd Comment
  RSA660685  Mimulus guttatus Diane T. Liggett 1985-5-12 42 Riverside Gavilan Hills, Hartford Springs, 1.9 miles south of Cajalco Road on Galivan Road. Ten to 40 ft from road edge. Comment
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Dec 2 2014
  SEINET1869716  Mimulus guttatus T. B. Salvato, A. C. Sanders 2007-1 895 Riverside San Jacinto Mtn foothills: San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy 74. 549 Comment
  UCR42547  Mimulus guttatus B. G. Pitzer 1986-4-26 191 Riverside San Bernardino Mtns., Whitewater Canyon, c. 4.5 mi. north of Hwy I-10 on Whitewater Canyon Road 734 Comment
  JEPS89119  Mimulus palmeri Victor Duran 1932-5-18 Riverside Idyllwild; San Jacinto Mountains 1676 Comment
  RSA586335  Mimulus palmeri D. L. Banks, S. D. Boyd 1995-5-3 200 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
  UC27078  Mimulus palmeri Geo. F. Reinhardt June 1897 Riverside San Jacinto Mountains Comment
  UCR4094  Mimulus palmeri Carole Sims 1965-5-1 s.n. Riverside San Jacinto Mtns, c. 3 mi from Mountain Center on highway down to Hemet, on rise across highway from marked turnout on right side (facing downhill) 1098 Comment
  UCR77578  Mimulus parishii Steve Boyd, T. S. Ross 1991-6-8 6327 Riverside San Jacinto Mtns., Pinyon Flats area near Ribbonwood. White calcareus outcrop forming small hill north of Hwy 74 Comment
  UCR89771  Mimulus pilosus Scott D. White 1993-5-27 1420 Riverside North Alberhill Ranch, hills north of Walker Canyon 488 Comment
  RSA0110425  Mirabilis bigelovii var. bigelovii Robert F. Thorne, Dick Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54022 Riverside San Bernardino Mountains: At mouth of Whitewater Canyon, ca. 1/4 mi. W of Whitewater P.O. and 1/2 mi. W of Whitewater River. 415 Comment
  CLARK-A1656-685  Mirabilis bigelovii var. retrorsa Lois Ann Scott 1979-3-2 Riverside Rancho Mirage 91 Comment
  SEINET7907889  Mirabilis californica D. A. Johnson 2005-1 Riverside 1 mi E of CA 74 on River Rd, between Perris & Lake Elsinore 488 Comment
  UCR176753  Mirabilis laevis Jennie Phui 1998-5-30 041 Riverside San Bernardino Mtns./San Gorgonio Pass, Morongo Indian Reservation, eastern fork of Lion Canyon, 3 miles up Lion Canyon road north of I-10 Fwy 600 Comment
  UCR177509  Mirabilis laevis A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32539 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 640 Comment
  POM214539  Mirabilis laevis var. crassifolia Joseph A. Ewan 1932-4-8 7042 Riverside Whitewater Canyon, about 3 miles above mouth. Comment
  JEPS61338  Mirabilis laevis var. retrorsa E. E. Schellenger May 1920 Riverside Canyon E of Coachella, Colorado Desert Comment
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Jun 18 2011
  JOTR34030  Mirabilis laevis var. retrorsa La Doux, Tasha, M. Harding 2010-4-7 2916 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; in upper reaches of side canyon, approx. 1 mile north of park boundary Comment
  UC1563079  Mirabilis laevis var. villosa Steve Boyd and Orlando Mistretta 1986-3-13 1480 Riverside ne Desert Center (first large canyon at nw tip of western segment of range); w side Palen Mts Comment
  RSA0049856  Mohavea confertiflora Jim Andre 2014-1-27 26665 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  RSA408772  Mohavea confertiflora Robert M. Perkins, H. de Forest 1937-3-15 374 Riverside N. of Blythe, along Co. Riverside. Comment
  SBBG54992  Mohavea confertiflora D. Keil, M. McLeod, D. Walters 1977-3-27 12062 Riverside Box Cyn Rd, ca. 20 mi ENE of Mecca, Orocopia Mtns 274 Comment
  UCR30085  Mohavea confertiflora George K. Helmkamp 1983-4-5 483- 9 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  RSA356611  Mollugo cerviana Robert F. Thorne 1966-10-15 41808 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  UC25499  Monardella australis subsp. australis H. M. Hall 1897-7-22 713 Riverside San Jacinto Mountains 1828 Comment
  CLARK-A1528-4930  Monardella lanceolata John C. Roos 1943-8-8 2710 Riverside San Jacinto Mountains Comment
  CAS-BOT-BC215454  Monardella linoides subsp. linoides Philip A. Munz 1938-8-14 15380 Riverside Ridge east of Toro Peak, Santa Rosa Mts. 2286 Comment
  UC63757  Monardella linoides subsp. linoides H. M. Hall June 1901 2137 Riverside Coyote Canyon San Jacinto Mountains, Santa Rosa Mountain 1524 Comment
  LA96092  Monardella nana Elizabeth McClintock; M. McClintock, D. Weiner 1941-7-11 99 Riverside Black Mountain, 0.75 mi. beyond the snow gate Comment
  LA96098  Monardella nana Elizabeth McClintock; Harlan Lewis 1941-6-29 78 Riverside Santa Rosa Mountain, road up Santa Rosa Mts. 2.3 mi beyond canyon where stream crosses road Comment
  LA96101  Monardella nana Elizabeth McClintock; 1941-7-18 122 Riverside San Jacinto Mountains, trail to Hidden Lake, about 1 mi. beyond the cienega Comment
  LA96106  Monardella nana Elizabeth McClintock; 1941-6-8 60 Riverside rd to Santa Rosa Mts. 1.5 mi above Pines to Palms Hwy Comment
  RSA750287  Monardella nana subsp. tenuiflora Elizabeth McClintock, D. Weiner 1941-7-11 95 Riverside Banning-Idyllwild road. At the creek beyond Stone Creek. Comment
  RSA0008280  Monardella pringlei Charlotte M. Wilder 1904-6-20 199 Riverside Declez Pass, Jurupa Hills. Comment
  UCR139131  Monolepis nuttalliana Julie A. Greene 1993-4-17 1206 Riverside San Jacinto Valley, San Jacinto Wildlife Area. west of San Jacinto River, west of Davis Rd 439 Comment
  CAS-BOT-BC349808  Monoptilon bellioides LeRoy Abrams 1903-4-6 3210 Riverside Palm Springs Station Comment
  CLARK-A1045-223  Monoptilon bellioides George K. Helmkamp 1979-4-18 Riverside Little San Bernardino Mountains 3.5 miles north of Dillon Road; bottom of wash; Lost Horse Mtn. 15'Q Comment
  POM13290  Monoptilon bellioides E. C. Jaeger 1921-4-12 141 Riverside Palm Springs (Cabazon) Comment
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Mar 13 2011
  POM7906  Monoptilon bellioides P. A. Munz, R. D. Harwood 1920-4-4 3512 Riverside Pass south of Palm Springs. 152 Comment
  RSA784777  Monoptilon bellioides Duncan S. Bell 2012-3-18 3181 Riverside The Mecca Hills; southeastern section of hills; in labyrinthian slot canyons to the east of Hidden Canyon, approximately 2.2 air miles southwest of Hidden Spring. 74 Comment
  SEINET2053855 Image available Monoptilon bellioides I. Rauch 1968-4-9 Riverside Palm Desert, Dead Indian Creek wash. 152 Comment
  UC1428709  Monoptilon bellioides J. L. Strother 1973-3-31 1157 Riverside above Chiriaco Summit; Lost Palms Canyon Comment
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Mar 26 2011
  UCR148477  Monoptilon bellioides John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  RSA464453  Montia chamissoi H. E. Hasse 1892-7-2 s.n. Riverside San Jacinto. 3049 Comment
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Jun 21 2008
  RSA740650  Montia fontana Scott D. White, Justin M. Wood 2008-6-19 12270 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. 1585 Comment
  RSA0124005  Muhlenbergia appressa Duncan S. Bell, Thomas Stoughton 2016-4-13 9246 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; on the western slopes of Martinez Mountain. 1548 Comment
  LA9666  Muhlenbergia microsperma A. M. Duran; A. M. Martin 1932-3-26 sn Riverside Box Canyon Comment
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Mar 9 2014
  UC2015685  Muhlenbergia microsperma A. C. Sanders, G. Helmkamp, P. MacKay, et al. 1995-3-1 16182 Riverside Coachella Valley/San Jacinto Mtns. foothills: Chino Canyon near the Palm Springs tram station. Comment
  UCR2589  Muhlenbergia microsperma F. M. Reed 1903-12-19 378 Riverside Riverside, Bluffs Ranch, Arroyo Tequesquite 293 Comment
  SEINET10599983  Muhlenbergia microsperma Charles L. Hitchcock 1940-4-2 Hitchcock 5915 Riverside In rocks, Cottonwood Spring wash, Joshua Tree National Monument. Comment
  JOTR33721  Muhlenbergia porteri La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1008 Riverside Joshua Tree National Park. Large open bajada in northwest Eagle Mountains, approx. 1.75 mi northeast of Cottonwood Visitor Center along roadside of Rte. 11 930 Comment
  UCR264227  Muhlenbergia porteri A. C. Sanders 2015-9-11 41869 Riverside Sonoran (Colorado) Desert, Bradshaw Trail at border of Chocolate Mountains Aerial Gunnery Range, 2.25 miles east of Gasline Rd. 646 Comment
  POM1103  Muhlenbergia richardsonis H. M. Hall 1901-06 2290 Riverside Strawberry Valley 1616 Comment
  UC39890  Muhlenbergia richardsonis H. M. Hall July, 1901 2341 Riverside vicinity of Deer Springs San Jacinto Mountains 2743 Comment
  UCR2566  Muhlenbergia rigens F. M. Reed 1934-9-26 8955 Riverside San Jacinto Mtns., Herkey Creek camp 1341 Comment
  SDSU13936  Muilla maritima Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2127 Riverside Santa Margarita Ecological Reserve (SDSU), southeast region, east of El Valle meadow. 671 Comment
  UC854360  Myosurus minimus P. A. Munz and I. M. Johnston 1922-5-20 5461 Riverside Hemet Valley, pool at Kenworthy; San Jacinto Mts 1432 Comment
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Mar 25 2011
  UCR269904  Myosurus minimus var. apus D. E. Bramlet, Amy Hills, R. E. Riefner Jr., Russell Huddleston 2005-3-2 3663 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
  SD122170  Myriopteris newberryi James C. Dice, Tu Chung 1987-10-19 738 B Riverside Head of shallow side canyon, N Side of Temecula Gorge, Santa Margarita River, ca.4 km ENE of Field Station site and ENE of weather station 330 Comment
  UCR105733  Najas marina L. C. Wheeler 1953-3-30 7033 Riverside Sonoran (Colorado) Desert, Alligator Slough on the Colorado River Comment
  JOTR38692  Nama demissa var. demissa Hodges, Stephen R. 2017-2-7 708 Riverside Joshua Tree National Park. Little San Bernardino Mountains, West Deception Canyon, near the mouth of the canyon just north of the park boundary Comment
  UC724376  Nama demissa var. demissa Aven and Ruth Nelson 1939-3-29 3322 Riverside between Mecca and Hidden Springs; between Mecca and Hidden Springs Comment
  RSA557878  Nassella lepida Steve Boyd, Orlando Mistretta 1992-4-23 7052 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Creek from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 244 Comment
  SEINET231382  Nassella pulchra Kay L. Tomlinson, Deborah L. Kama; Robert F. Thorn 1985-3-27 890 Riverside Santa Rosa Plateau Mesa de Colorado 610 Comment
  UCD87689  Nassella pulchra Scott D. White; Michael Honer 2004-4-6 10060 Riverside Perris/Elsinore Basins. Temescal Valley, just north of the I-15 freeway and east of Indian Truck Trail, south and est of Lee Lake. 335 Comment
  RSA731541  Nassella tenuissima R. E. Riefner 2007-5-26 7 -216 Riverside City of Lake Elsinore, along I-15 north near Main St. 404 Comment
  RSA431565  Nasturtium officinale N. C. Cooper 1944-5-6 1175 Riverside Whitewater Canyon. 457 Comment
  RSA660533  Navarretia atractyloides Orlando Mistretta 1992-6-10 527 Riverside Peninsular Ranges: (Cleveland National Forest) Along old road coming off 3504 W of Sierra Peak. Head of road. Comment
  RSA759115  Navarretia atractyloides Robt. Allen, Linnell R. Allen 2008-7-27 s.n. Riverside South Main Divide Road, 4.7 road mi. SE of junction with Ortega Hwy (SR74). Just S of the gated entrances to Rancho Capistrano housing developments. 938 Comment
  RSA623558  Navarretia fossalis R. E. Riefner 1998-7-10 98 -415 Riverside Menifee Valley Comment
  UCR70513  Navarretia fossalis D. E. Bramlet 1991-6-20 2199 Riverside Perris-Aguanga Basin region, San Jacinto Valley, San Jacinto Wildlife Area: c. 670 m east of Davis Rd & 60 m north of the San Jacinto River levee 475 Comment
  UCSB42145  Navarretia hamata Roos, John 1965-6-30 Riverside Ortega Highway, Santa Ana Mtns Comment
  RSA789883  Navarretia intertexta Jeremiah George 2012-3-4 s.n. Riverside Lake Elsinore area, south of Nichols Rd. and east of Baker St. 387 Comment
  RSA234039  Navarretia prostrata R. F. Thorne, Lathorp 1969-5-12 37929 Riverside Santa Ana Mountains, Santa Rosa Plateau, Mesa de Colorado, Rancho California 624 Comment
  RSA124981  Nemacladus glanduliferus P. H. Raven 1958-5-5 12905 Riverside Joshua Tree National Monument, Salton View 1585 Comment
  RSA75132B  Nemacladus glanduliferus F. W. Peirson 1920-2-16 4681 Riverside Palm Canyon, near below Palm Springs Comment
  SEINET10461231  Nemacladus glanduliferus var. glanduliferus Boyd 1988-3-10 BOYD 2134 Riverside North end Palen Mountains, 2 miles west of Palen Pass North end Palen Mountains, 2 miles west of Palen Pass 300 Comment
  JEPS22335  Nemacladus orientalis Peter H. Raven 1958-3-1 11748 Riverside 8.6 mi n Blythe (on U.S. Highway 95) Comment
  UCR280956  Nemacladus ramosissimus Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-13 417- 59 Riverside Peninsular Ranges, Wildomar, Sedco Hills, along transmission road between Lost Rd. and Lake View Rd. 564 Comment
  UCR281483  Nemacladus ramosissimus Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-4-4 417- 90 Riverside Gavilan Hills, SCE transmission route (projected) 0.6 miles NNW of Lake St. and Walker Canyon Rd. 152 Comment
  RSA0006288  Nemacladus ramosissimus P. A. Munz 1922-5-19 5360 Riverside 5 miles NE of Murietta. 457 Comment
  RSA518555  Nemacladus rubescens O. F. Clarke 1973-4-1 s.n. Riverside At south entrance to Joshia Tree National Monument, just below Cottenwood Springs. Comment
  RSA421338  Nemophila menziesii Bonnie C. Templeton 1930-4-9 1022 Riverside Near Banning 500 Comment
  RSA766539  Nemophila menziesii Scott D. White, Angelia Carey 2004-4-5 9987 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR51025  Nemophila menziesii S. J. Myers 1988-2-24 s.n. Riverside Peninsular Range, Temescal Canyon, about 0.25 mi west of intersection of Hwy I-15 and Indian Truck Trail 381 Comment
  UCR138642  Nemophila menziesii var. menziesii D. L. Banks 1997-2-17 1271 Riverside Agua Tibia Mtns., NW Palomar Mountains: burned areas in the Temecula community of Redhawk, south of the intersection of Redhawk Parkway and Tehachapi Pass Road 396 Comment
  RSA614411  Nicotiana glauca D. L. Banks 1997-3-16 1544 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
  SEINET7907894  Nicotiana glauca D. A. Johnson 2005-1 Riverside 1 mi E of CA 74 on River Rd between Perris & Lake Elsinore 488 Comment
  UCR91736  Nicotiana glauca A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18098 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  RSA587421  Nicotiana glauca D. L. Banks, Steve D. Boyd 1995-6-2 565 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail N of the Riverside County boundary, approximately 1/4 mile S of the clay grasslands. 902 Comment
  RSA0018759  Nicotiana obtusifolia F. W. Peirson 1917-4-1 1089 Riverside Andreas Canyon near Palm Springs. Comment
  UC444985  Nicotiana quadrivalvis Lottie M. Wilder 1903-4-23 93 Riverside Wilder's Comment
  UCR232046  Nicotiana quadrivalvis John F. Green 2008-4-15 0408- 09 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
  UCR92278  Nicotiana quadrivalvis Scott D. White, M. A. Patten 1995-8-16 3552 Riverside San Jacinto Valley, Just west of Hemet, valley floor and foothills at SE margain of Lakeview Mts. north of Florida Ave. (SR 74) and west of California Avenue 500 Comment
  SEINET10546595  Nicotiana trigonophylla Chris Dietrich, Mary Merello; Heidi H. Schmidt 1994-4-12 Dietrich 20 Riverside 9 miles north-northwest of Indio, off Dillon Road 1.9 miles northeast on Berdoo Canyon Road (J241). BLM land. Desert Access Guide Map #17. Along gravelly wash in creosote bush scrub. 380 Comment
  JOTR30200  Nolina parryi La Doux, Tasha 2009-6-3 1847 Riverside Joshua Tree National Park. (Stop 1): Little San Bernardino Mountains, Covington Flats, ridge line south of peak 1547 Comment
  SD80949  Nolina parryi James Henrickson 1971-7-29 5575 Riverside 10 mi. SW of Twentynine Palms, 1 mi. N of Salton View, in hills 1280 Comment
  UCR129868  Notholaena californica subsp. californica P. A. Munz 1921-12-31 4704 Riverside Sonoran (Colorado) Desert, Andreas Canyon 427 Comment
  POM355282  Oenothera californica subsp. californica N. C. Cooper 1944-4-22 1143 Riverside Banning. 762 Comment
  UC702812  Oenothera californica subsp. californica Charles B. Fiker 1946-5-30 3493 Riverside dip s Temecula bridge (on Hwy 395) Comment
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Aug 12 2016
  HSC25079  Oenothera deltoides Richard Spjut 1972-2-7 2174 Riverside Riverside/San Bernardino Cos., Colorado Desert, 4-10 mi. W of Rice along Hwy. from Rice to 29 Palms Hwy. or to Desert Center, N end of the Maria Sand Dunes 305 Comment
  POM355585  Oenothera deltoides subsp. deltoides Glenn Shryoek 1928-3-17 s.n. Riverside Colorado Desert. Painted Canyon. Comment
  RSA146061  Oenothera deltoides subsp. deltoides William M. Klein 1959-4-6 951 Riverside U,S. Hwy 60-70, about 20 miles west of Blythe. 137 Comment
  UCSB9470  Oenothera deltoides subsp. deltoides Lloyd, Robert 1960-3-23 Riverside One mile from U.S. Hiway 99 on State Road 111, to Palm Springs, San Jacinto Mt. Range 396 Comment
  POM226795  Oenothera elata subsp. hirsutissima P. A. Munz 1934-9-30 13238 Riverside Foot of Mt. Roubidoux, Riverside. Comment
  JEPS25892  Oligomeris linifolia S. B. Parish 1913-2-28 8481 Riverside Mecca; Salton Sink -60 Comment
  RSA80685  Oligomeris linifolia F. W. Peirson 1927-4-12 7161 Riverside Painted canyon, near Mecca. Comment
  SEINET8043501 Image available Oligomeris linifolia Duncan S. Bell, Evan Meyer 2014-1 6518 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  UC69147  Oligomeris linifolia H. M. Hall June, 1905 6238 Riverside vicinity Riverside (Gavilan Hills); Gavilan Hills 365 Comment
  JOTR32328  Olneya tesota Herskovits, Tasya 2011-5-25 s.n. Riverside Joshua Tree National Park. Cottonwood Mountains; Open, sandy bajada adjacent to Pinto Basin road and near south park boundary Comment
  UCD108100  Olneya tesota T. B. Salvato; A. C. Sanders, Mitch Provance 2000-4-18 49 Riverside Coachella Valley: 2 mi NE of Mecca near mouth of Painted Canyon at foot of Mecca Hills, W edge of Coachella Canal. 9 Comment
  CAS-BOT-BC349925  Oncosiphon piluliferum A. C. Sanders 2004-4-9 27479 Riverside Perris Valley: Ramona Expressway at east end of Lake Perris dam 457 Comment
  UCR177843  Oncosiphon piluliferum A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32540 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 549 Comment
  OBI35847  Orobanche cooperi Harris Griffith 1982-3-11 s.n. Riverside Coachella Valley, citrus ranch near Mecca 0 Comment
  UCSB6224  Orobanche cooperi Stoppel, Gordon 1958-3-22 Riverside Colorado Desert off Indio highway near No Palms Comment
  RSA0059226  Orobanche cooperi subsp. latiloba Carl B. Wolf 1932-4-29 3113 Riverside Eastern Colorado Desert, 4 mi. So. of Brown's Well, on the Blythe-Rice road. 213 Comment
  RSA198928  Orthocarpus densiflorus var. gracilis Robert F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37431 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California 671 Comment
  CSUSB900  Orthocarpus purpurascens Ken Stolte 1978-4-27 Riverside 1 mile south of junction of Highway 60 and Central Ave, 200 meters east off Central, in Riverside. Comment
  RSA500989  Orthocarpus purpurascens var. purpurascens Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-4-1 3108 Riverside Vail Lake area, at N base of rounded knob 1.25 mi WSW of dam. 610 Comment
  SEINET3129691  Oryzopsis hymenoides Unknown 1906-1 808 Riverside Colorado desert at Palm Springs Comment
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Jul 21 2016
  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
  UCR137708  Oxalis pes-caprae D. L. Banks 1997-3-29 1555 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Headwaters of Pala Creek at the S extremity of the Reservation, north of the Riverside/San Diego Co. line, west of the intersection of Magee Truck Trail and Moreno Rd including a large area of vernally wet grassland at the extreme SW corner of the Reservation 409 Comment
  UCR24259  Oxytheca trilobata John C. Roos 1943-5-23 2672 Riverside S Mojave Desert, Little San Bernardino Mtns 1524 Comment
  CSUSB1064  Paeonia californica I. Rauch 1968-2-15 Riverside Santa Ana Mountains Santa Ana Mountains, Tin Mine Canyon Comment
  UCR135838  Paeonia californica A. C. Sanders 2004-4-20 27541 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  UCD134902  Palafoxia arida L. S. Rose 1936-1-1 s.n. Riverside L.A. Aqueduct Road, 15 miles north of Indio. 304 Comment
  UCR178577  Palafoxia arida R. G. Swinney 1967-2-11 0034 Riverside San Jacinto Mtns./ Sonoran (Colorado) Desert, Snow Creek 366 Comment
  SEINET10799060  Palafoxia arida David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2887 Riverside Pushawalla Canyon Biota. Indio Hills. In dry wash. Comment
  RSA778131  Palafoxia arida var. arida Thomas Stoughton, Erika Gardner, D. Bell 2010-11-12 715 Riverside Coachella Valley Preserve. Site #3. Ca 0.25 mile E of road. 305 Comment
  POM230179  Palafoxia linearis I. W. Clokey 1935-4-17 6935 Riverside Shafer [Shavers] Wells - Cottonwood Springs. 25 Comment
  UC147835  Panicum capillare H. M. Hall Aug. 1901 Riverside vicinity Riverside; vicinity of Riverside 304 Comment
  VVC2045  Panicum hirticaule var. hirticaule Tim Thomas, Alice Karl 2011-10-18 5530 Riverside Sonoran Desert, Hayfield Lake 4 miles east of Chiriaco Summit; just north of Hwy 10. In northwest portion of lake bed. 437 Comment
  UC75789  Parietaria hespera var. californica Miss M. A. King 1893-1 Riverside Menifee Comment
  GMDRC2588  Parietaria hespera var. hespera T. La Doux, J. Andre 2008-3-21 139 Riverside Little San Bernardino Mountains: JTNP: Upper Cottonwood Cyn, approx 2 mi. S. of Cottonwood visitor's center.. Elev. 2890 ft. 881 Comment
  RSA0031610  Parietaria hespera var. hespera Jim Andre 2013-3-27 24815 Riverside Riverside Mountains; east side of Riverside Mountains, along Hwy 95, 13.2 mi. south of Vidal Jct. 126 Comment
  LA31742  Parkinsonia florida Mary V. Hood; 1942-4-2 42- 12 k* Riverside S of Indio. Riverside and Imperial County line 0 Comment
  UCR214713  Parkinsonia florida A. C. Sanders 2010-3-23 37547 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  UCR242714  Pectis papposa A. C. Sanders, T. B. Salvato 2012-10-12 40436 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Wileys Well Rd. c. 3 miles north of Wileys Well/ Bradshaw Trail 155 Comment
  CAS-BOT-BC355871  Pectis papposa var. papposa R. F. Hoover 1966-10-15 10174 Riverside Bighorn Drive, San Jacinto Mts. Comment
  SFV11423  Pectis papposa var. papposa M. L. Vincent, R. H. Swade 1963-10-19 447 Riverside Within 3 miles of California State Highway 74 (Pines to Palms Highway) as highway crosses Santa Rosa Indian Reservation. About 1.5 miles west of Santa Rosa summit. 1503 Comment
  UCR20973  Pectocarya anisocarpa A. C. Sanders 1980-5-2 1432 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  RSA695834  Pectocarya linearis J. R. Bruff 1927-3-12 3 -L Riverside San Gorgonio River near Cabazon [note that label reads San Bernardino Co.] Comment
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Mar 13 2011
  SEINET12801743  Pectocarya linearis A. C. Sanders, T. B. Salvato, Mitch Provance 2003-1 25838 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns. Hill SW of the Jensen Quarry, NW of Sunnyslope; Alt: 366-421m/1200-1380ft. 307 Comment
  UCR241934  Pectocarya linearis A. C. Sanders, Timothy W. Chumley 2013-3-28 40695 Riverside Peninsular Range, Temescal Canyon Rd. at Pacific Clay Products plant/Bernard St., c. 1 mile north of Lake St. 370 Comment
  POM72175  Pectocarya linearis subsp. ferocula Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  RSA673552  Pectocarya penicillata Scott D. White, Tasha La Doux 2000-4-20 7696 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  RSA678419  Pectocarya penicillata Michael Wall 2003-4-15 267 Riverside Lamb Canyon west of Beaumont, off Hwy. 79, 5.2 mi. south jct. with 10 Fwy up dirt road at turnout along west side of Hwy. 602 Comment
  UCR94246  Pectocarya penicillata Scott D. White 1996-4-14 3921 Riverside Perris Basin/San Jacinto Mtns., E of Hemet: San Jacinto River Wash near Valle Vista, north of Hwy 74, c. 1.7 mi west of USFS Cranston Fire Station 549 Comment
  CLARK-A1045-235  Pectocarya platycarpa George K. Helmkamp 1978-4-1 Riverside Whitewater junction of Interstate highway 10 and Verbenia Avenue; Whitewater 7.5'Q Comment
  RSA777770  Pectocarya platycarpa Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 975 Riverside Road to Priest's Well, east side of Arica Mountains 488 Comment
  UCR116611  Pectocarya platycarpa A. C. Sanders 2001-3-20 23838 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
  SD90112  Pectocarya recurvata Walter William Zabriskie 1973-2-21 118 Riverside Above end of Worley Trail to Sheep Mountain, Pipistrelle Canyon area. 854 Comment
  UCSB18373  Pectocarya setosa Gates, Mary 1964-5-17 Riverside Pinyon Flats Campground; State Highway 74; 25 miles SW of Indio 1219 Comment
  RSA102725  Pedicularis densiflora Mary F. Spencer 1922-4-25 1910 Riverside Lamb's Canyon, Banning 701 Comment
  UC76051  Pedicularis densiflora M. F. Gilman 1904-1 40 Riverside Banning Comment
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Mar 13 2011
  UCR104692  Pedicularis densiflora G. F. Pratt 1998-2-5 s.n. Riverside Peninsular Range, Big Oak Mountain, north of Vail Lake, near the summit of peak on N side. 915 Comment
  HSC35461  Pellaea mucronata J. D. Ackerman, A. M. Montalvo 1975-6-26 525 Riverside Hwy. 74 between San Juan Capistrano and Lake Elsinor, above SanJuan Campground, Cleveland National Forest 610 Comment
  IRVC3145  Pellaea mucronata M. Savage 1965-4-24 HS 588 Riverside Hwy 71, 1 mile W of Dripping Springs Gaurd Station. Peninsular Ranges Comment
  UCR16671  Pellaea mucronata Dave Baasch 1972-2-17 720217- 2 Riverside San Jacinto Mountains, San Jacinto Creek 9 mi east of Hemet on State Hwy 74. 701 Comment
  UCR97463  Pellaea mucronata A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19888 Riverside Peninsular Range, Lake Skinner area; lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 Comment
  CAS-BOT-BC422327  Pellaea mucronata subsp. mucronata Andrew Townesmith; Karen M. Meyer; Tracy Scott 2007-3-17 693 Riverside San Bernardino National Forest, San Jacinto Ranger District. Lake Hemet fishing access, 1.2 miles west of route 74 on Forest Service road 6S15. 1334 Comment
  JOTR31051  Pellaea mucronata var. mucronata La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2034 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lower Covington Flats; STOP 1: drainage heading toward Smithwater Canyon, rocky canyon with narrow sandy bottom Comment
  POM11142  Pellaea mucronata var. mucronata P. A. Munz 1922-7-1 5939 Riverside Santa Rosa Mts: Old Nicholas Canyon. 1432 Comment
  RSA85120  Pellaea mucronata var. mucronata J. C. Roos 1952-5-7 5616 Riverside Box Springs Mountains, north of Canyon Crest Heights 457 Comment
  UCR9268  Pennisetum clandestinum O. F. Clarke 1969-11-10 s.n. Riverside University of California, Riverside Comment
  RSA771794  Pennisetum setaceum Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4471 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
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Sep 9 2012
  SDSU10926  Penstemon bridgesii M. De Lisle 1962-7-28 19 Riverside Hwy 74 at the malibox to Mt. Baldy Ranch Camp Grounds. 1356 Comment
  POM229502  Penstemon californicus Philip A. Munz 1969-5-31 15122 Riverside Kenworthy, south end of San Jacinto Mts. 1372 Comment
  SEINET3079731 Image available Penstemon centranthifolius J. Easton 1987-4-23 Riverside E of Anza along Hwy 371, Hamilton Creek Canyon. 1249 Comment
  SBBG50893  Penstemon clevelandii subsp. connatus R. S. Wogum 1937-5-22 544 Riverside jct of Santa Rosa Mtn Rd and Palms to Pines Hwy Comment
  UCR275310  Penstemon heterophyllus var. australis J. Dansie 2016-5-25 36 Riverside San Bernardino Mtns., Cherry Valley, off Edgar Canyon Road 1215 Comment
  UC55001  Penstemon rostriflorus H. M. Hall 1898-6-25 940 Riverside Van Deventer Flat Western borders Colorado Desert, Van Deventer Flat 1371 Comment
  UC88035  Pentachaeta aurea A. W. Anthony 1895-7-15 Riverside San Jacinto Mts. 1828 Comment
  UCR193118  Pentachaeta aurea A. C. Sanders, Tim Thomas 2008-6-20 35530 Riverside Peninsular Range; San Jacinto Mtns., May Valley area, at spring with trough, along dirt road (May Valley Rd.) c. 1.5 mi. ENE of Keenwild, 0.5 mi. NW of FS Rd. 5S05 1610 Comment
  RSA93281  Pentachaeta aurea F. W. Peirson 1922-5-19 3037 Riverside San Jacinto River 1143 Comment
  RSA0070921  Pentagramma maxonii F. W. Peirson 1921-3-20 5357 Riverside Andreas Canyon, near Palm Springs. 243 Comment
  UC218151  Perideridia parishii subsp. latifolia P. A. Munz 1922-9-5 6367 Riverside Tahquitz Valley San Jacinto Mts. 2194 Comment
  HSC47345  Peritoma arborea R. W. Spjut, Judy Adams 1978-11-22 5236 Riverside Colorado Desert, N of N Palm Springs along Indian Ave. 0 Comment
  RSA799081  Peritoma arborea Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6878 Riverside South side of Joshua Tree National Park, Cottonwood Spring 915 Comment
  POM7074  Perityle emoryi P. A. Munz 1919-5-7 2779 Riverside Tahquitz Canyon 244 Comment
  RSA471858  Perityle emoryi M. B. Dunkle 1933-3-4 3056 Riverside Painted Canyon, Colorado Desert. 30 Comment
  RSA4948  Perityle emoryi C. B. Wolf 1932-4-27 3050 Riverside Colorado Desert, lower end of Lost Palm Canyon, at 1st rocky hills, 1mi off the Mecca-Blythe Road. 244 Comment
  CAS-BOT-BC167765  Petalonyx thurberi Victor Duran 1933-7-3 3500 Riverside Coachella Valley at Deep Canyon 243 Comment
  RSA503355  Petalonyx thurberi S. J. Myers 1988-10-18 s.n. Riverside Garnet Hill, N of Palm Springs, between the Southern Pacific railroad tracks and Hwy 10, E one-third of Granet Hill, SE to Palm Drive 206 Comment
  UCR277612  Petalonyx thurberi subsp. thurberi Aaron C. Sedgwick, Joella Adkins, Jennifer Pilapil 2012-8-14 104 Riverside Sonoran (Colorado) Desert, NE of Mecca Hills, south of Hwy I-10, c. 400 m east of Box Canyon Rd. 488 Comment
  OBI45335  Petunia violacea A. C. Sanders 1987-4-7 7046 Riverside Riverside, vacant lot on the N side of Spruce St between Rustin and Cyn Crest 305 Comment
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Apr 5 2016
  HSC82749  Peucephyllum schottii R. F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54079 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
  RSA790632  Peucephyllum schottii Aaron C. Sedgwick, David Fraker 2012-4-24 11 Riverside In the Palen Valley south of Power Line Rd. that parallels Hwy. 10 159 Comment
  RSA795973  Peucephyllum schottii Duncan S. Bell 2009-4-19 296 Riverside Arica Mountains: east side of range, approximately 1 air mile northwest of Priests Well. 342 Comment
  UC1007199  Peucephyllum schottii Philip A. Munz 1940-3-23 15664 Riverside road to Dale to Cottonwood Springs (s base of Pinto Mts.); Pinto Mts. 609 Comment
  UCR96915  Peucephyllum schottii Bern Schwenn 1994-4-1 s.n. Riverside Sonoran (Colorado) Desert, Eagle Mountains, Hayfield Spring on the south side of the range. 700 Comment
  SEINET10801060  Peucephyllum schottii David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2861 Riverside Pushawalla Canyon, Indio Hills. Comment
  SEINET9118770  Peucephyllum schottii K. K. Muller 1952-1 559 Riverside 2 mi. N of Dos Palmas on road from Hot Mineral To Mecca-Blythe Hwy. Comment
  RSA27430  Phacelia ambigua C. L. Hitchcock 1940-3-30 5877 Riverside Cottonwood Spring. Comment
  RSA425999  Phacelia ambigua Robert Gustafson 1982-5-19 2562 Riverside Pines to Palms Hwy. (Hwy. 74), between 7-level Hill and Black Hill. Comment
  RSA480098  Phacelia ambigua Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, Tim Ross, D. Nordin 1988-3-10 2187 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  RSA517240  Phacelia ambigua Steve Boyd, T. S. Elias, Erika Winter 1986-2-18 1327 Riverside Mecca Hills, Colorado Desert: Painted Canyon N of Highway 195. Comment
  RSA519023  Phacelia ambigua D. A. Hoover 1986-4-7 775 Riverside Sandy bottom of the main canyon at the BLM gate. 549 Comment
  UCR232389  Phacelia ambigua var. minutiflora Dave Silverman, Onkar Singh 2010-3-27 8056 Riverside Sonoran (Colorado) Desert, north edge of Palo Verde Mesa, 150 m south of McCoy Wash, 5.3 km WSW of Mesaville Siding, and 6.1 km north of Blythe Airport 137 Comment
  RSA613905  Phacelia brachyloba A. C. Sanders, P. Mackay, Tim C. Thomas, O. F. Clarke 1997-5-4 20648 Riverside San Jacinto Mountains north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740. Comment
  SD143850  Phacelia brachyloba A. C. Sanders, P. MacKay et al. 1997-5-4 20648 Riverside San Jacinto Mountains; north side along Highway 243, 1.5 mile below Twin Pines Ranch Road. 1067 Comment
  SBBG65005  Phacelia campanularia B. L. Clary -Feb-1928 Riverside near Edom 64 Comment
  RSA748600  Phacelia campanularia subsp. campanularia Scott D. White, Justin M. Wood 2009-4-28 12605 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  RSA666588  Phacelia ciliata A. C. Sanders, Sue Nash, Tom Paulek 2002-4-7 24902 Riverside San Jacinto Wildlife Area, west side of Davis Rd., just north of the old San Jacinto River channel (levee), 2.25mi. N of Lakeview. 434 Comment
  HSC13640  Phacelia crenulata R. A. Eagle 1964-3-28 18 Riverside N end of Salton Sea State Park Comment
  RSA650558  Phacelia crenulata Viki Cruz 1983-5-8 9 Riverside Near the palm oasis one mile into Magnesha Canyon, Santa Rosa Mts. Comment
  SD224995  Phacelia crenulata A. C. Sanders, G. K. Helmkamp & P. MacKay 1995-3-12 16037 Riverside Coachella Valley: Indio, just S of the Whitewater River Channel at Auto Center Dr. -7 Comment
  UCR166871  Phacelia crenulata 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
  UCR30094  Phacelia crenulata George K. Helmkamp 1983-4-5 483- 30 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  UCR241427  Phacelia crenulata var. ambigua Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 25 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 Comment
  UCR268935  Phacelia crenulata var. ambigua Jim Andre 2015-3-2 31361 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
  UCSB46537  Phacelia crenulata var. crenulata Watts, Lisa 1983-3-6 Riverside South side of CA Highway 195, 5.5 miles east of Mecca, Box Canyon Wash 60 Comment
  RSA778258  Phacelia crenulata var. minutiflora Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 924 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 335 Comment
  HSC78876  Phacelia distans R. F. Thorne, Drs. Fosberg, Sachet, Herbst 1983-4-23 55445 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office 595 Comment
  RSA426215  Phacelia distans H. de Forest 1933-4-17 17606 Riverside Chino Canyon, Colorado Desert. Comment
  RSA517927  Phacelia distans Steve Boyd, B. Roy, T. S. Elias, S. Meury, S. Zona 1986-3-5 1356 Riverside Hwy 195, N base of the Orocopia Mts., halfway between I-10 & Box Canyon. Comment
  RSA543790  Phacelia distans Steve Boyd, Tim Ross, Mike Hammitt 1991-5-2 6067 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
  RSA650568  Phacelia distans Marion P. Harthill 1973-2-17 1569 Riverside W. Palm Springs. 366 Comment
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Apr 16 2009
  RSA716379  Phacelia distans Scott D. White 2006-4-27 11298 Riverside Perris Basin/San Jacinto Mtn Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  RSA772014  Phacelia distans Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4956 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
  SD38344  Phacelia distans Edith A. Purer 1935-4-21 6486 Riverside Western edge of Colorado Desert near Palm Springs. Comment
  SEINET3091906 Image available Phacelia distans John Adams 1965-5-9 207 Riverside NE side of San Jacinto Mountains, Palm Springs area, 1 mi. below tramway up Mount San Jacinto. Comment
  UCD120424  Phacelia distans L. F. Robbins 1929-3-27 s.n. Riverside Near Banning. Comment
  UCR152640  Phacelia distans A. C. Sanders 2005-4-22 29605 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR41276  Phacelia distans B. G. Pitzer 1986-2-9 0001 Riverside Sonoran (Colorado) Desert, Santa Rosa Mountains: Martinez Canyon, SW of Valerie Jean, on upper fan, c. 1 mi east of mouth of canyon 122 Comment
  SEINET3091904 Image available Phacelia fremontii A. C. Sanders, E. J. Lawlor 1988-3-5 7700 Riverside Mojave Desert, sand dunes on the S side of Koehn Dry Lake S of Munsey Rd. at a point 4 miles E of Neuralia Rd. March 5 & 6. Comment
  POM158465  Phacelia minor P. A. Munz 1927-5-20 10827 Riverside 10 miles S. of Hemet. Comment
  RSA495409  Phacelia minor Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2944 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  RSA525286  Phacelia minor Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4599 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  RSA0106603  Phacelia minor C. P. Cowan 1978-4-25 1281 Riverside 6.7 (10.7 km) miles SW on 74 from jct. with 71, 4.6 (7.3 km) miles from Lake Elsinore, Santa Ana Mountains, Cleveland National Forest. Whittaker transect #W-229. Comment
  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
  CAS-BOT-BC145003  Phacelia ramosissima var. latifolia John Thomas Howell 1927-8-2 2906 Riverside Near Banning on road to Strawberry Valley, Mt. San Jacinto 670 Comment
  POM3783  Phacelia tanacetifolia I. M. Johnston 1918-4-27 s.n. Riverside Near Corona. 274 Comment
  UCR280978  Phalaris minor Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-10 417- 83 Riverside Elsinore Trough, Baker St., 0.05-0.15 miles SE of Pierce St. [NW edge of city of Lake Elsinore, near Terra Cotta] 384 Comment
  UCR76159  Phalaris minor A. C. Sanders 1993-4-1 76159 Riverside Perris-Aguanga Basin Region, western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St. and Devonshire Ave., 0.75 mile NE of the intersection of Florida Ave (Hwy 74) and Warren Rd, just south of Tres Cerritos 460 Comment
  CDA2321  Phalaris paradoxa A. C. Sanders, T. B. Salvato 2001-5-25 24374 Riverside west end of Hemet-Ryan airport runway, 50-200 m east of Warren Rd. and 100-200 m north of Stetson Avenue, San Jacinto Valley. Comment
  SEINET186318 Image available Philadelphus microphyllus var. stramineus Philip A. Munz 1938-1 15392 Riverside Ridge east of Toro Peak, Santa Rosa Mountains. 2438 Comment
  CAS-BOT-BC134985  Phoradendron bolleanum Del Wiens 1953-12-5 862 Riverside Vicinity of Hidden Valley, Joshua Tree Natl. Mon. San Bernardino or Riverside Co. Comment
  RSA0123183  Phoradendron bolleanum Duncan S. Bell, LeRoy Gross 2016-3-30 9171 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7.5 air miles southeast of the summit of Martinez Mountain. 970 Comment
  UCSB1321  Phoradendron bolleanum Keator, Glenn 1959-5-17 Riverside Edge of Colorado desert on Palms to Pines highway Comment
  POM14077  Phoradendron californicum Philip A. Munz, D. D. Keck 1922-4-14 4992 Riverside Indian Wells 107 Comment
  RSA132803  Phoradendron californicum Del Wiens 1955-10-17 960 Riverside Palms to Pines highway between Palm Springs and Keen Camp, State Hgwy 74.Colorado Desert Vegetation Type.Parasitic on Dalea spinosa. Comment
  RSA668001  Phoradendron californicum C. R. Annable 1995-3-15 2281 Riverside 2.7km SW of Valerie on road to Martinez Canyon. Comment
  SD260308  Phoradendron californicum A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40510 Riverside Sonoran (Colorado) Desert: Chuckwalla Bench, south of the Chuckwalla Mtns., along Bradshaw Trail 1 km SE of Augustine Rd. junction, large wash on SW side of road. 694 Comment
  SD146129  Phoradendron leucarpum subsp. tomentosum Andy C. Sanders 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
  RSA698148  Phoradendron macrophyllum J. Vlahos 1934-01 s.n. Riverside Ortega Highway Comment
  UCR91721  Phoradendron macrophyllum A. C. Sanders, J. Goetzen 1996-5-1 18141 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  CAS-BOT-BC171148  Phoradendron serotinum subsp. tomentosum A. C. Sanders; S. D. Boyd; Mitch Provance; J. Ross 1998-10-25 22285 Riverside San Jacinto Mtns.: Pine Meadow along Hwy 74 in Garner Valley (eastern), 1 mi NW of Hwy 371 junction to Anza 1441 Comment
  JEPS70616  Phragmites australis W. L. Jepson 1914-5-22 6044 Riverside ne Edom (cave in Thousand Palms Canyon); Colorado Desert, Thousand Palms Canyon Comment
  JOTR36018  Physalis crassifolia Harding, Mitzi, T. Herskovits 2012-3-16 225 Riverside Joshua Tree National Park. Eagle Mountains, Cholla Wash Comment
  RSA233714  Physalis crassifolia Frederick W. Oettinger 1968-10-23 818 -B Riverside Whitewater Canyon; 10 mi. NNw of Palm Springs, 4.5 mi. N of Hwy. 10 near trout harchery. Comment
  RSA611912  Physalis crassifolia C. Epling 1934-10 s.n. Riverside Palms to Pines Hwy. Comment
  RSA644212  Physalis crassifolia Victor W. Steinmann 1999-10-26 1414 Riverside foothills of the Chuckwalla Mountains, open desert ca. 2 km south of Desert Center. 325 Comment
  UC217934  Physalis crassifolia P. A. Munz, D. Keck 1922-4-13 4941 Riverside Eagle Mts.; Colorado Desert 243 Comment
  UC884717  Physalis crassifolia Lewis S. Rose 1936-12-26 36830 Riverside 22 mi e Indio (Indio-Blythe Road) 762 Comment
  RSA370844  Picris echioides R. F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61274 Riverside Sandia Canyon, De Luz-Murrieta Road 260 Comment
  SEINET10530741  Pinus flexilis David B. Dunn, L. S. McClung 1939-10-22 Dunn UMO 46549 Riverside Collected along the trail to Taquitz Peak above Idylwild, Calif. San Jacinto Mts. 2591 Comment
  UCR240645  Pinus jeffreyi Tracy Tennant, Mitch Provance 1998-6-16 MOR- 438 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon, in wash just north of woodland stand M15 1098 Comment
  RSA78321  Pinus lambertiana Philip A. Munz, E. K. Balls 1952-8-21 17978 Riverside Santa Rosa Spring, Santa Rosa Mts. 2134 Comment
  CDA14910  Pinus monophylla L. D. Merrill 1998-8-11 s.n. Riverside Transverse Ranges; Santa Rosa Mountain. 0 Comment
  SEINET3873914 Image available Pinus monophylla Noel H. Holmgren, Patricia K. Holmgren 1974-4-2 7577 Riverside Pinto Mountains, Joshua Tree National Monument, Hidden Valley Campground, 13.9 miles southeast of Joshua Tree (10 airline miles south-southwest of Twentynine Palms).; 0 1311 Comment
  UCSB6941  Pinus ponderosa J. Haller 1950-5-20 6 Riverside PARKING AREA AT FOOT OF SAN JACINTO PEAK TRAIL UPPER STRAWBERRY VALLEY 1767 Comment
  CAS-BOT-BC72839  Pinus quadrifolia J. C. Roos 1965-8-18 s.n. Riverside Summit of Pines to Palm Hwy., Thomas Valley, San Jacinto Mtns. Comment
  RSA192087  Plagiobothrys arizonicus E. W. Lathrop 1960-6-7 4851 Riverside 14 miles W of Murrieta Comment
  UCR25421  Plagiobothrys canescens John C. Roos 1952-4-16 5559 Riverside Box Springs Mountains, Pigeon Pass 457 Comment
  JOTR32305  Plagiobothrys canescens var. canescens La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3237 Riverside Joshua Tree National Park. West of Queen Mountain, southern end of Wonderland of Rocks; Wonderland Wash, north of Mill Street Mine parking area. Active wash corridor with sandy bottom and surrounded by granitic outcrops and pediments; with heavy foot traffic (Stop 1) 1297 Comment
  UCR127549  Plagiobothrys collinus A. C. Sanders, T. B. Salvato 2003-5-21 26804 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
  UCR167437  Plagiobothrys collinus John F. Green 2005-3-16 s.n. Riverside Perris-Aguanga Basin, Cajalco Canyon, SE of Corona, SW of Lake Mathews, east of Calif. highway 71; Collections made while monitoring pipeline repair 366 Comment
  UCR97455  Plagiobothrys collinus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19844 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  UC1537688  Plagiobothrys collinus var. californicus Gordon H. True Jr. 1935-2-20 9 Riverside Box Springs Sycamore Canyon 365 Comment
  UCR246593  Plagiobothrys collinus var. fulvescens A. C. Sanders 2012-3-22 39986 Riverside Peninsular Range; Temescal Valley, foot of Santa Ana Mtns., SE of intersection of Glen Eden Rd. and I-15 Frontage Rd., south of Corona (Lee) Lake 378 Comment
  RSA791596  Plagiobothrys jonesii D. Silverman 2010-3-30 7888 Riverside East flank of southern McCoy Mountains, 1.8 km W of Black Creek Road, 7 km E of McCoy Peak, and 4.4 km north of the I-10 183 Comment
  UCR25972  Plagiobothrys leptocladus John C. Roos 1952-4-23 5572 Riverside Perris-Aguanga Basin region, 1 mi SE of Perris 427 Comment
  UCR76172  Plagiobothrys leptocladus A. C. Sanders 1993-4-1 13671 Riverside Perris-Aguanga Basin Region, western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St. and Devonshire Ave., 0.75 mile NE of the intersection of Florida Ave (Hwy 74) and Warren Rd, just south of Tres Cerritos 460 Comment
  POM13801  Plagiobothrys tenellus P. A. Munz 1922-4-30 5133 Riverside Tucalota Creek, south of Hemet Comment
  RSA388325  Plagiobothrys tenellus Steve Boyd 1986-5-7 1840 Riverside Temescal Canyon: Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. [Gavilan Hills] Comment
  UC1930012  Plagiobothrys tenellus Scott D. White, Justin Wood 2008-5-15 12000 Riverside San JAcinto Mountains: Johnson Meadow. Comment
  UC72057  Plagiobothrys tenellus Miss M. A. King 1893-1 Riverside Menifee Comment
  UCR266469  Plagiobothrys tenellus Mitch Provance, Robin Kinmont 2015-3-27 315- 53 Riverside Perris-Aguanga Basin Region, Murrieta Hot Springs, Leon Rd. (unmarked dirt portion) on unnamed hill c. 0.5 miles W of Skunk Hollow, vicinity of W terminus of Promontory Parkway. 430 Comment
  UCR112323  Plantago elongata A. C. Sanders, K. C. Rose 1998-5-21 21862 Riverside Hemet, Alkaline flats west of town, east of the canal, south of Hwy 74 (Florida) and c. 1/4 mi. west of Warren Rd. 457 Comment
  UCR281237  Plantago elongata Mitch Provance, Jeremiah George 2017-3-23 317- 64 Riverside Elsinore Trough, Lake Elsinore, E side Baker St., about 0.5 miles SE of Pierce St. 677 Comment
  SBBG104035  Plantago erecta A. C. Sanders 1993-4-1 13663 Riverside western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St and Devonshire Ave, 0.75 mi NE of the intersection of Florida Ave (Hwy 74) and Warren Rd 460 Comment
  UC56869  Plantago erecta H. M. Hall Apr 1902 2895 Riverside vicinity Sage 609 Comment
  UCR158067  Plantago erecta A. C. Sanders 1997-3-12 19846 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  UCR133968  Plantago ovata Mitch Provance, J. S. Ross 1998-3-27 MOR- 951 Riverside San Bernardino Mtns., Morongo Indian Reservation, Lion Canyon, c. 1.2 miles NE of the town of Cabazon 579 Comment
  RSA314639  Plantago ovata var. fastigiata Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55434 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  RSA550270  Plantago ovata var. fastigiata Walter Wisura, J. Dolan, M. Wall 1992-3-24 4626 Riverside 7.7 mi NE of Mecca on Box Canyon Rd. Comment
  POM98814  Plantago ovata var. fastigiata P. A. Munz 1926-1-31 9978 Riverside Dos Palmas Spring Comment
  SEINET1909535  Plantago patagonica S. J. Myers 2001-1 Riverside San Jacinto Mtns.: Bautista Canyon (Blackburn Canyon 7.5'). Sandy bank along dirt road across from conservation camp. 853 Comment
  UCR166295  Plantago patagonica A. C. Sanders, J. C. Dice, K. C. Rose, D. Woodard 1995-3-29 16240 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
  RSA601098  Platanus racemosa A. C. Sanders 1996-5-1 18140 Riverside San Bernardino Mtns: Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, N of Banning 793 Comment
  UCR138597  Platanus racemosa D. L. Banks 1996-11-7 1213 Riverside Agua Tibia Mountains, NW Palomar Mountains: Pechanga Indian Reservation, east of San Gabriel Church. At the end of the main road in the Reservation, 1.6 km east of the roads crossing with Pechanga Creek on the N fork of the creek, at the E end of the Reservation 415 Comment
  UCR59662  Platystemon californicus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2935 Riverside Peninsular Range, Vail Lake area, Temecula Creek Canyon, just below Vail Lake Dam. 488 Comment
  UCR80511  Plectritis ciliosa subsp. insignis D. E. Bramlet 1991-4-30 2095 Riverside Shipley Reserve, foothills c. 2.4 km south of Crown Valley & 2 km east of Rawson Canyon, in the N foothills of Black Mtn, c. 830 m SE of knoll 761 m 760 Comment
  JOTR28939  Pleuraphis rigida La Doux, Tasha 2005-3-30 1175 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  RSA414080  Pleuraphis rigida Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  RSA714956  Pleuraphis rigida Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4626 Riverside Along Palen Pass Road, near Packard Well, S end of Granite Mountains. 502 Comment
  RSA780232  Pleuraphis rigida Stephanie Rockwood, Christi Gabriel 2011-10-12 111 Riverside Rice Valley Dunes, Rice Valley Wilderness. Highway 62 toRice Valley Dunes Road to Midland Vidal Road (Power Line Access Road). South/South east side of dunes. 244 Comment
  RSA0034642  Pleurocoronis pluriseta Scott D. White 2001-4-17 8334 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
  RSA472097  Pleurocoronis pluriseta Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  UCR202037  Pleurocoronis pluriseta Denise Woodard 1998-6-11 s.n. Riverside Sonoran (Colorado) Desert, base of Santa Rosa Mtns. at mouth of Cathedral Canyon, border between Rancho Mirage and Cathedral City, site of proposed Ritz-Carlton Rancho Mirage/ Cathedral Canyon Golf Course 305 Comment
  SD132245  Pluchea odorata var. odorata Scott White 1990-10-23 280 Riverside 8.5 miles eastnortheast of Temecula; east of De Portola Road on El Dorado Road. 487 Comment
  HSC47481  Pluchea sericea Richard Spjut, Judy Adams 1978-11-22 5241 Riverside Colorado Desert; vicinity of Indio along Dillon Rd. 0 Comment
  RSA0120628  Pluchea sericea Duncan S. Bell, Thomas Stoughton 2016-3-16 8943 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southeastern section of range, approximately 2.5 air miles northeast of Gucci Spring. 408 Comment
  RSA696921  Pluchea sericea J. R. Bruff 1927-10-8 1 -E Riverside Thousand Palms Comment
  UCR89811  Pluchea sericea Scott D. White 1993-5-27 1411 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  UCD90508  Poa bigelovii F. M. Reed 1920-3-24 4187 Riverside Palm Springs District. Colorado Desert. Murray Canyon. Comment
  RSA92436  Poa bigelovii F. W. Peirson 1921-3-22 2392 Riverside Murray Canyon near Palm Springs. 457 Comment
  LA206409  Poa nevadensis Frank W. Gould; 1944-4-5 2235 Riverside 17 mi. E of Temecula on highway 79 Comment
  SEINET1911032  Poa pratensis Scott D. White, Justin M. Wood 2008-1 12260 Riverside San Jacinto Mountians: Meadows at Baldy Mtn. 1585 Comment
  RSA596151  Polygala cornuta var. fishiae D. L. Banks 1996-11-7 1188 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; At the end of the main road in the Reservation., Approximately 200 m NW of the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 457 Comment
  SD186302  Polygonum argyrocoleon A. C. Sanders 1992-3-21 12075 Riverside Sonoran Desert: Coachella Valley, Oasis Date Garden, 4.4 miles north of Mecca on Hwy 111 near Ave. 59 -43 Comment
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Sep 30 2012
  UCR229493  Polygonum argyrocoleon Jeremiah George 2011-7-18 s.n. Riverside Peninsular Range; Elsinore Trough, North Lake Elsinore, just west of Nichols Rd. and Collier Ave. junction 384 Comment
  CLARK-A1528-758  Polygonum aviculare C. M. Flanagan 1973-4-17 OO 111 Riverside Riverside 243 Comment
  UCR101189  Polygonum ramosissimum L. C. Wheeler 1955-6-10 7152 Riverside Sonoran (Colorado) Desert, 3.5 miles NNE of Palo Verde; Avenue 32 and Rannells Blvd Comment
  CHSC8342  Polypodium californicum Edward L. Smith 1958-3-6 344 Riverside Located at Cold Water Canyon, Glenn Ivy, sw side of Temescal Road, Temescal Mtns. 762 Comment
  RSA588605  Polypogon monspeliensis D. L. Banks, Steve Boyd 1995-10-17 0816 A 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 narrow benches where Arroyo Seco turns E, just W of the Metasedimentary hills. 524 Comment
  UCR155828  Polypogon monspeliensis 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
  UCR172143  Polypogon monspeliensis A. C. Sanders 2006-5-11 32257 Riverside Warm Springs Valley, N edge of city of Lake Elsinore, 35 acre parcel south of the intersection of Collier Ave. and Riverside Dr., NE of Alberhill Crk., NW of Enterprise Way 389 Comment
  LA206340  Polypogon viridis A. M. Johnson; 1937-11-26 113 Riverside rd to Anza Comment
  RSA334992  Polypogon viridis Steve Boyd 1985-7-23 1019 Riverside De Luz Road, 8.0 miles W of Rancho California. Sandia Creek. 305 Comment
  CAS-BOT-BC102603  Populus fremontii Alice Eastwood 1919-3-15 7990 Riverside Indio Comment
  UCR41826  Porophyllum gracile A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6106 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  CAS-BOT-BC310318  Portulaca oleracea Duncan S. Bell 2012-9-13 4194 Riverside Arica Mountains. Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well 202 Comment
  UCR237632  Prenanthella exigua Duncan S. Bell, Amanda Turek 2010-4-10 832 Riverside Riverside Mountains, in the vicinity of Mountaineer Mine and Calzona Mine, c. 3.8 air mi west of the Colorado River, c. 2 air mi northeast of Riverside Mountain Peak 198 Comment
  RSA0114927  Proboscidea louisianica Mitch Provance 2012-7-14 712 -24 Riverside San Gorgonio Pass: Banning, Smith Creek and adjacent alluvial terraces, north of Old Idyllwild Rd., and west of Hwy 243. Just NW of confluence of Smith Creek and Montgomery Creek. 689 Comment
  POM244814  Prosopis glandulosa var. torreyana E. C. Jaeger 1938-8-15 s.n. Riverside Cottonwood Creek, 20 miles south of Hemet 976 Comment
  RSA652724  Prosopis glandulosa var. torreyana N. D. Hogg 1969-5-3 s.n. Riverside 1/2 mile south of Coachella, on Hwy 111. Desert floor of Coachella Valley Comment
  RSA698010  Prosopis juliflora W. Marquart 1938-3-12 s.n. Riverside Mule Mts. S. of Chuckawalla Range. Comment
  RSA699635  Prosopis juliflora var. glandulosa Keith E. Hoffmaster 1933-4-14 s.n. Riverside Tahquitz Canyon Comment
  RSA516750  Prunus ilicifolia Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  RSA704903  Prunus ilicifolia J. B. B. 1934-6-18 533 Riverside Snow Creek; base of San Jacinto. Comment
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Feb 16 2013
  UCR265838  Prunus ilicifolia Mitch Provance 2012-5-24 512- 21 Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  SD137634  Prunus ilicifolia subsp. ilicifolia Darin L. Banks, Peter Morrell 1995-5-4 298 Riverside Cleveland National Forest, Agua Tibia Wilderness area. N slope of Agua Tibia Mtn., E of the Drip[ping Springs Alcove Area, along the Woodchuck Trail 548 Comment
  UC566663  Psathyrotes ramosissima H. L. Mason 1928-3-10 4224 Riverside Hidden Springs Canyon Coachella Mountains, Hidden Springs Canyon Comment
  CAS-BOT-BC356664  Pseudognaphalium californicum Carl B. Wolf 1936-6-17 7952 Riverside Santa Ana Mts., along Ortega Highway, San Juan Canyon, 5/10 mi. E. of Orange Co. line 365 Comment
  CLARK-A1045-174  Psilocarphus brevissimus George K. Helmkamp 1979-4-27 Riverside Santa Ana Mountains along road; drying mud of vernal pools; Wildomar 7.5'Q Comment
  UCR220329  Psilocarphus brevissimus D. E. Bramlet 1992-4-15 2224 Riverside Perris-Aguanga Basin Region, 7.5 km SW of Hemet, just east of California Ave and c. 100 m north of the ATSF RR tracks, NE of the intersection of California Ave. and Marvin Hull Road and c. 300 m west of the MWD Canal 453 Comment
  SJSU5521  Psilostrophe cooperi R. C. McGehee 1970-4-16 215 Riverside by road between Wileys Well & Nyland Comment
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Aug 30 2007
  JEPS41709  Psorothamnus arborescens var. simplicifolius M. F. Gilman 1904-1 51 Riverside Colorado Desert Comment
  JEPS41710  Psorothamnus arborescens var. simplicifolius M. French Gilman 1931-5-20 Riverside between Palm Springs and Whitewater Comment
  UC128527  Psorothamnus arborescens var. simplicifolius Marcus E. Jones, A. M. 1903-5-10 Riverside Palm Spring 60 Comment
  UC667246  Psorothamnus arborescens var. simplicifolius Annie M. Alexander and Louise Kellogg 1941-5-12 2156 Riverside 5.5 mi NE of Cottonwood Spring; Eagle Mountains, Colorado Desert 868 Comment
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Feb 4 2013
  CAS-BOT-BC353626  Psorothamnus emoryi Frank A. Thackery 1928-4-24 3 Riverside Edom Comment
  RSA0106712  Psorothamnus emoryi Duncan S. Bell 2011-9-30 2945 Riverside Northeastern section of the Arica Mountains; northwest section of Rice Valley; approx. 2 air miles southwest of the ghost town of Rice. 234 Comment
  UC863688  Psorothamnus emoryi Lewis S. Rose 1936-12-18 36789 Riverside Palm Springs 138 Comment
  UCR17308  Psorothamnus emoryi K. Stolte 1978-5-25 s.n. Riverside Sonoran (Colorado) Desert, south side Hwy 111, at Windy Point; c. 5 mi. west of Palm Springs, Coachella Valley 300 Comment
  CAS-BOT-BC340860  Psorothamnus schottii Lester Rowntree 1937-5-28 s.n. Riverside Pines to Palms [Palms to Pines] Comment
  UCR23857  Psorothamnus schottii John C. Roos 1966-5-2 s.n. Riverside Western Colorado Desert, mouth of Pushawalla Canyon, Indio Mtns [Hills]. Comment
  UCSB3050  Psorothamnus schottii Wilson, Richard 1958-5-18 Riverside 5 miles East of Pinon Flats on Highway 74 (Calif.) Comment
  RSA33633  Psorothamnus spinosus N. C. Cooper 1944-7-15 1603 Riverside Palm Springs. 122 Comment
  RSA0062671  Pteridium aquilinum R. Garner 1974-7-15 s.n. Riverside San Jacinto Mts. Comment
  CAS-BOT-BC421256  Pterostegia drymarioides Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  POM209228  Pterostegia drymarioides S. G. Stokes 1934-7-1 313 Riverside San Jacinto Mountains 1067 Comment
  UCR18121  Pterostegia drymarioides A. C. Sanders 1978-4-2 567 Riverside Sonoran (Colorado) Desert, Living Desert Reserve in Palm Desert [mouth of Deep Canyon] 152 Comment
  UCSB37360  Pulicaria paludosa Clarke, O. 1972-9-17 Riverside Santa Ana river bottom Comment
  UCSB18179  Purshia tridentata var. glandulosa Black, Richard 1964-5-10 Riverside State Highway 74, 8 miles S of Pinyon Flats Campground 929 Comment
  CAS-BOT-BC45771  Quercus Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild Comment
  UCR273035  Quercus Mitch Provance 2012-1-25 17388 Riverside Badlands of Western Riverside County, San Timoteo Canyon, SW end along SCE powerline access roads between El Casco Substation and the Hwy. 60. 689 Comment
  UCSB7049  Quercus X morehus Riverside Banning Road, Mt. San Jacinto 1432 Comment
  UCD170486  Quercus agrifolia Tom Scott Apr 2011 2011- 575 Riverside San Bernardino Mountains: South side of mountains along Mias Canyon Rd., ca. 0.5 mile north of Bluff St., north of Banning. 863 Comment
  SD193295  Quercus agrifolia var. agrifolia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31544 Riverside Lower Bautista Canyon, 1.1 mile above Forest Service boundary, 3.2 miles above retention dam at mouth. 744 Comment
  UCR158908  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31562 Riverside San Jacinto Mtns., Valley Hi County Park (closed) off Hwy 243 and Twin Pines Rd. at McMullen Flat 1189 Comment
  UCR117256  Quercus cornelius-mulleri A. C. Sanders, S. D. Boyd, Mitch Provance, J. Ross 1998-10-25 22288 Riverside San Jacinto Mtns., along Hwy 74, 4.4 mi. east of Hwy 371 junction to Anza, just east of Vandeventer Flat 1387 Comment
  CAS-BOT-BC257778  Quercus dumosa P. S. Manos 1988-10-27 668 Riverside Gavilan Rd., in Wildlife Preserve 600 Comment
  CAS-BOT-BC104312  Quercus palmeri D. E. Breedlove 1961-8-5 952 Riverside 2.7 miles N of Anza road, State 74 1310 Comment
  CAS-BOT-BC104994  Quercus wislizeni Louis C. Wheeler 1931-10-3 s.n. Riverside Strawberry Valley, Mt. San Jacinto Comment
  UCR262391  Quercus wislizeni var. frutescens Tom Scott 2011-1 2011- 566 Riverside San Bernardino Mtns., south side of mountains in Banning Canyon on USFS road 2S01, c. 5 miles up canyon from locked gate, USFS San Bernardino Nat. Forest 1275 Comment
  UCSB34691  Quercus wislizeni var. wislizeni Nixon, Kevin; Hendon, Emily 1980-5-23 Riverside 3.5 mi south of Idyllwild (1.4 mi n. of Mountain Center) on calif. Hwy 243, San Jacinto Mtns Comment
  SD8975  Rafinesquia californica unknown 1882-5-5 Riverside Temecula Comment
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Nov 29 2010
  POM13919  Rafinesquia neomexicana P. A. Munz, D. D. Keck 1922-4-12 4884 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. Colorado Desert. 457 Comment
  RSA776345  Rafinesquia neomexicana Duncan S. Bell 2010-3-20 623 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  SEINET13717527  Ranunculus aquatilis Unknown 1969-5-15 3226 Riverside 6 miles W. of Murrieta on Santa Rosa Plateau at Tenaja Lake; ca. 2 mi. E. of Tenaja Forest Station Comment
  UC1930014  Ranunculus californicus Scott D. White, Justin Wood 2008-5-15 12006 Riverside San Jacinto Mountains: Johnson Meadow. Comment
  RSA0013146  Ranunculus californicus var. californicus LeRoy Gross, Caitlin Elam 2013-5-14 6072 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  RSA736727  Ranunculus cymbalaria Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10691 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  RSA0019610  Ranunculus eschscholtzii var. oxynotus Carl B. Wolf 1932-8-5 3975 Riverside Rocks at summit of San Jacinto Peak. San Jacinto Mountains. 3294 Comment
  RSA701410  Ranunculus hebecarpus Steve Boyd, Aydee Virgen 2004-4-13 10887 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UCR112310  Rhamnus crocea A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23448 Riverside Menifee Valley, S of Newport Rd., north of Holland Rd. and east of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR91600  Rhamnus crocea D. L. Banks, Steve Boyd 1995-3-15 0058 Riverside NW Palomar Mtns, Agua Tibia Wilderness Area, N face of Agua Tibia Mtns., Dorland Mtn. area 738 Comment
  CAS-BOT-BC56046  Rhamnus ilicifolia Carl B. Wolf 1932-5-25 3688 Riverside Gilman Ranch in the foothills No. of Banning 853 Comment
  RSA484732  Rhamnus ilicifolia A. C. Sanders, E. J. Lawlor 1988-10-22 8735 Riverside Pinyon Flats area Santa Rosa Mountains, along the trail about 1/2 mi. W of the Dolomite Mine. 1200 Comment
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Sep 10 2011
  UCR117097  Rhamnus ilicifolia A. C. Sanders, T. B. Salvato 2001-5-16 24290 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  UCR138608  Rhamnus ilicifolia D. L. Banks 1996-11-7 1195 Riverside Agua Tibia Mountains, NW Palomar Mountains: Pechanga Indian Reservation, east of San Gabriel Church. At the end of the main road in the Reservation, at the spring on the N fork of Pechanga Creek at the E end of the Reservation 494 Comment
  UC723853  Rhododendron occidentale C. Epling, Wm. Robison 1935-6-29 Riverside Mount San Jacinto, Marion Peak Marion Peak; Mount San Jacinto, Marion Peak Comment
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Oct 14 2006
  RSA60298  Rhododendron occidentale var. californicum G. R. Campbell 1948-7-4 609 Riverside Azalea Trails Girl Scout Camp, Dark Canyon, north of Idyllwild. 1738 Comment
  UCSB3773  Rhus aromatica Newby, Ron 1959-5-17 Riverside 12 miles N from Pinon Flats on highway 74 growing along roadside; in the San Jacinto Mountains 1219 Comment
  SD136941  Rhus integrifolia Steve Boyd, Orlando Mistretta 1992-4-22 7001 Riverside Santa Ana Mountains, San Mateo Cnyn Wilderness Area. Indian Potrero Trail south from Verdugo Potrero on ridge between Talega Cyn and Nickel Cy Comment
  RSA386390  Rhus ovata N. C. Cooper 1947-4-5 2029 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  SDSU13626  Rhus ovata W. Miller, C. Mosse 1972-7-12 Riverside Comment
  POM278238  Rhus trilobata Lyman Benson 1933-3-31 4142 Riverside US 66, Beaumont. 457 Comment
  UC1130568  Rhus trilobata J. B. Spring 1931-4-17 35 Riverside head of Dawson Canyon 457 Comment
  UC69247  Ribes aureum H. M. Hall 1897-4-10 431 Riverside vicinity Riverside; Eden Comment
  POM306650  Ribes indecorum Henry J. Ramsey, Mrs. Ramsey 1938-4-23 1505 Riverside Santa Rosa Mtns. Comment
  RSA489177  Ribes indecorum B. Pitzer, A. C. Sanders 1987-4-21 492 Riverside Box Springs Mtns, near southernmost radio towers 793 Comment
  SJSU7833  Ribes malvaceum G. B. Youngberg 1956-3-31 241 Riverside Banning-Idyllwild Rd, Sna Jacinto Mts 1158 Comment
  SEINET13942611 Image available Ribes malvaceum Joseph Andorfer Ewan 1933-1 10896 Riverside Bushy canyong bottom. Tin Mine Canyon, Santa Ana mountains Comment
  UCR5950  Ribes nevadense Sally Crum 1966-5-12 s.n. Riverside San Jacinto Mtns., by stream [Indian Creek] which flows into Lake Fulmor 1433 Comment
  SD130245  Romneya coulteri Scott White 1990-6-16 Riverside Cleveland National Forest, on private land just inside the Forest boundary. East wall of Hagador Canyon, near the mouth of the canyon. 395 Comment
  UCR251975  Romneya coulteri Marissa Manahan 2011-4-25 s.n. Riverside Walker Canyon, along I-15 Freeway NW of Lake Elsinore Comment
  CAS-BOT-BC92173  Romneya coulteri var. coulteri P. C. Everett 1935-6-17 7167 Riverside Santa Ana Mountains. Coldwater Canyon Trail to Santiago Peak, 2 miles above Glen Ivy Resort. 609 Comment
  CSUSB1435  Rorippa nasturtium-aquaticum R. L. Irwin 1962-4-21 0033 Riverside By Dam at north west end of Lake Evans 243 Comment
  SDSU17733  Rorippa nasturtium-aquaticum D. C. Estrella, M. G. Simpson 2002-4-20 28 Riverside Shallow, acquatic pool. Santa Margarita Ecological Preserve. 229 Comment
  POM12902  Rosa californica Philip A. Munz 1922-6-30 5901 Riverside Santa Rosa, Santa Rosa Mountains. 1982 Comment
  RSA449715  Rosa californica N. C. Cooper 1943-10-9 944 Riverside Hemet. 305 Comment
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Apr 29 2011
  RSA725951  Rubus discolor Tom Chester 2006-12-19 979 Riverside Santa Rosa Plateau Ecological Reserve: Santa Rosa Ranch. 549 Comment
  RSA761751  Rubus parviflorus Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 645 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  POM122727  Rubus ursinus Marcus E. Jones 1925-3-13 s.n. Riverside Santa Ana Canyon. Comment
  JOTR32379  Rumex crispus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2489 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  RSA561070  Rumex crispus Steve Boyd, Tim S. Ross, Dave Bramlet 1993-5-12 7343 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
  UCR213282  Rumex hymenosepalus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37695 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 378 Comment
  UCR116781  Rumex salicifolius var. denticulatus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24162 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
  UCR90828  Sagina apetala A. C. Sanders, G. K. Helmkamp 1996-3-17 17980 Riverside Coachella Valley, Palm Springs, shopping center at SE corner of Raquet Club Dr. and Palm Canyon Dr. 189 Comment
  CSUSB1688  Salazaria mexicana Wayne White 1975-5-17 Riverside Chuckwalla Mountains On Red Cloud Road, off Highway I-10, Chuckwalla Mountains. Colorado Desert. 484 Comment
  HSC27202  Salazaria mexicana J. P. Smith, J. O. Sawyer 1973-6-10 6889 Riverside Joshua Tree National Monument. Comment
  JEPS62509  Salazaria mexicana W. L. Jepson 12621 Riverside near Eagle Mts. Cottonwood Spr; Colorado Desert, , Cottonwood Spr 731 Comment
  RSA19551  Salazaria mexicana Roxana S. Ferris, Ruth P. Rossbach 1938-5-15 9543 Riverside Cottonwood Springs Canyon. Comment
  SDSU7073  Salazaria mexicana Gerald Collier 1951-5-27 M 440 Riverside Rocky slope 10 yards from roadside State Hwy 74, 4 miles east of Pinon Flats, San Jacinto Mtns. Comment
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Jan 30 2013
  UCR59706  Salazaria mexicana A. C. Sanders 1989-9-19 9502 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, 1.75 km (airline) south of Tabaseca Tank, along the wash above 'Tabaseca Target 680 Comment
  POM319272  Salix exigua Patricia Wilder 1972-2-18 5361 Riverside North side of Norco, along the Santa Ana River at the end of Pedley St. 229 Comment
  UC483067  Salix exigua F. R. Fosberg 1932-3-13 8078 Riverside upper palm grove along stream Thousand Palms Canyon; Coachella Valley, Thousand Palms Canyon Comment
  LA208621  Salix exigua var. exigua Carl Epling; 1927-3-27 sn Riverside Thousand Palms Comment
  SDSU13385  Salix exigua var. hindsiana Tarja Sagar, Michael G. Simpson & Taxonomy of CA Plants Class 2000-4-1 12 Riverside Santa Margarita Ecological Reserve (SDSU). 0.5 miles SW of the North Field Station. 238 Comment
  UC846161  Salix exigua var. hindsiana Crawford and Johnston 1917-6-9 1244 Riverside Santa Ana R. near Corona; Santa Ana R Comment
  CAS-BOT-BC108110  Salix gooddingii Carl W. Sharsmith 1932-3-20 14 Riverside Foot of east slope of Santa Rosa Mts., in Diablo Canyon, 3 m. above its mouth, near Clary's Coral Reef Ranch, Colorado Desert Comment
  IRVC26249  Salix gooddingii A. C. Sanders, D. Malueg 2003-5-8 26560 Riverside San Jacinto Riverbottom, north of San Jacinto and SE of State St. San Jacinto Valley 465 Comment
  POM361017  Salix gooddingii G. R. Johnstone 1930-4-13 s.n. Riverside 1000 Palms. Comment
  SBBG58896  Salix gooddingii F. R. Fosberg 1932-3-13 8065 Riverside Thousand Palms Cyn Comment
  UC498077  Salix gooddingii Philip A. Munz 1932-3-24 12032 Riverside n Elsinore 304 Comment
  UCR139631  Salix gooddingii A. C. Sanders 2004-6-30 28400 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  CAS-BOT-BC108214  Salix hindsiana Mrs. H. P. Bracelin 1932-4-12 600 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  POM305366  Salix laevigata Henry J. Ramsey, Henry J. Ramsey 1938-3-26 652 Riverside Between Corona and Elsinore. Comment
  UCR166722  Salsola gobicola Scott D. White, Jennifer H. Jones 2005-4-12 10864 Riverside Coachella Valley, Indio area, vacant land NE of the I-10 Freeway interchange at Jefferson 18 Comment
  SDSU5604  Salsola tragus James C. Dice, J. Dewald 1987-9-28 730 Riverside North side of Temecula Gorge, near entrance to field station site, ca/ 4.5 km ENE of Gavilan Mountain. T8S, R3W, northeast 1/4 of northeast 1/4 of section 27. 329 Comment
  RSA586928  Saltugilia australis D. L. Banks, S. D. Boyd 1995-5-3 0264 A 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
  UCR121689  Saltugilia australis D. E. Bramlet 1991-5-10 2146 Riverside Perris-Aguanga Basin region, North Domenigoni Hills, 4300-4500 ft. SE from end of Warren Rd., W side of large peak in Sec. 31, just above saddle 610 Comment
  RSA0004874  Saltugilia latimeri Verne Grant, Alva Grant 1950-4-9 8840 Riverside Palm Springs. Comment
  RSA0094988  Saltugilia latimeri Leigh A. Johnson 1992-5-15 92 -021 Riverside Pinyon Flats: 1/2 way between Palm Canyon Drive & Jeraboa Road, about 100-200 yards N of the road near a rocky outcrop. 1280 Comment
  POM158455  Salvia apiana P. A. Munz 1927-5-21 10874 Riverside 10 miles SW of Coahuila [now Cahuilla]. Comment
  RSA562456  Salvia apiana Steve Boyd, T. S. Ross 1992-5-5 7233 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail 732 Comment
  SBBG71162  Salvia apiana V. Duran 1933-7-1 3491 Riverside near Santa Rosa 1828 Comment
  UC76195  Salvia apiana Miss M. A. King 1893-1 Riverside Menifee Comment
  UCR112309  Salvia apiana A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23449 Riverside Menifee Valley, S of Newport Rd., north of Holland Rd. and east of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR11353  Salvia apiana Dennis E. Kucera 1971-6-2 s.n. Riverside Peninsular Range; Moreno Valley, Kucera residence, 11681 Dalehurst, Sunnymead (now part of city of Moreno Valley) 625 Comment
  UCLA70112  Salvia carduacea C. Epling and J. Ewan Jun 1933 Riverside near Alberhill; Temescal Canyon Comment
  RSA747719  Salvia columbariae Justin M. Wood 2009-3-26 400 Riverside Western foothills of Mecca Hills, +/- 0.5 air mile east of the Coachella Canal and 4 air miles S of the I-10 Freeway. 21 Comment
  UCR167855  Salvia columbariae T. B. Salvato, Melissa Clemons 2005-6-2 1342 Riverside Peninsular Range; Temescal Valley, Gavilan Hills, c. 0.5 mi SE of Steele Peak, 4 miles SW of Perris, and 6 miles NNE of Lake Elsinore, NW of Hwy 74 610 Comment
  UCR60239  Salvia columbariae R. F. Thorne, M. Z. Thorne 1973-3-30 42657 Riverside Sonoran (Colorado) Desert, Morongo Valley Canyon, near mouth at junction of roads to Morongo Valley and Desert Hot Springs; [vicinity of Hwy 62 crossing of Mission Creek] 488 Comment
  UCSB5772  Salvia columbariae Graney, Don 1953-3-20 Riverside One half mile from White Water; up White Water Canyon Comment
  UC129483  Salvia greatae H. M. Hall 1905-4-22 5848 Riverside near Dos Palmas, Colorado Desert, Riverside Co. Comment
  UCSB42124  Salvia greatae Roos, John 1958-3-29 Riverside slope in Salt Creek Wash; 3 miles N. of Coachella Canal; on E. base of Orocopia Mtns 304 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
  SEINET7907890  Salvia mellifera D. A. Johnson 2005-1 2005- 02 -18-01 Riverside 1 mi E of CA 74, River Rd, between Perris & Lake Elsinore 488 Comment
  UCLA69827  Salvia mohavensis C. Epling and Wm. Robison 1933-6-27 Riverside 5 mi s Gold Coin Mine; Little San Bernardino Mts. Comment
  CAS-BOT-BC224868  Salvia pachyphylla Victor Duran 1933-7-1 3490 Riverside Near Vandeventer Flat, Santa Rosa Mts. 1676 Comment
  UCLA69850  Salvia pachyphylla C. Epling 1938-8-14 Riverside Santa Rosa Mts. Comment
  RSA132549  Sambucus mexicana Donald A. Johansen 1933-7-14 714 Riverside Along road from Cherry Valley to Mesa Mira. 1372 Comment
  RSA33583  Sambucus mexicana N. C. Cooper 1944-5-19 1289 Riverside Banning. 701 Comment
  RSA586851  Sambucus mexicana D. L. Banks, S. D. Boyd 1995-5-3 270 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
  RSA748217  Sambucus mexicana G. Gust, L. Nye 2005-3-10 533 Riverside City limits of Lake Elsinore on River bank just off of Auto Center Dr., N of junction with Diamond Dr. 400 Comment
  CAS-BOT-BC238856  Sambucus nigra subsp. caerulea A. C. Sanders 1997-5-1 20618 Riverside Lake Skinner area: old house site at gated road junction into Shipley Reserve area, ca. 1 km NE of Lake Skinner in mouth of Rawson Creek Canyon 457 Comment
  UCR132860  Sanicula arguta Kent Beaman 1983-4-24 25 Riverside Santa Ana Mtns., north and west of Murrieta; Clinton Keith Road about 2 miles west of Hwy 15, south side of road just before it starts up a hill 427 Comment
  HSC85413  Sanicula bipinnatifida Steve Boyd 1986-3-9 1379 Riverside Temescal Canyon: Alberhill Mountain, S slope of mountain just E of Claymine area 427 Comment
  UC1611580  Sanicula tuberosa Steve Boyd, Tim Ross 1993-3-23 7908 Riverside s of Vail Lake (at n base of Agua Tibia Mtn, Agua Tibia Wilderness Area, Cleveland National Forest, extending s from end of Woodchuck Road); Palomar Range, Agua Tibia Mtn, Cleveland National Forest 731 Comment
  UCR103743  Sanicula tuberosa D. E. Bramlet 1990-3-31 1941 Riverside Perris Valley, Lakeview Mountains, c. 2.75 km NW of Juniper Flat Rd & 1.5 km NW of Tyron Ave. 701 Comment
  UCR219984  Sarcostemma cynanchoides A. C. Sanders, D. L. Sanders 2010-11-28 38701 Riverside Peninsular Range; NW Gavilan Hills, Angel Canyon Falls, above Home Gardens at the western edge of Riverside, 4.8 km NW (303 deg. ) of Lake Mathews dam, above intersection of Lincoln St. & Indiana Ave. 279 Comment
  RSA722994  Sarcostemma cynanchoides subsp. cynanchoides Michael Wall 2007-7-6 436 Riverside San Jacinto Valley, Bautista Canyon, along Bautista Canyon Rd. 4.5 miles SE of jct. with Fairview Ave. 719 Comment
  SEINET10634924  Schinus molle Greg Gust, Leith Nye 2005-3-11 Gust 538 Riverside Lake Elsinore City Limits. At intersection of Ellis St. & Franklin St. in an overgrown disturbed site. 400 Comment
  UCR228159  Schismus arabicus Dave Silverman 2010-3-24 7832 Riverside Sonoran (Colorado) Desert, South Palen Lake, Chuckwalla Valley, 4.3 km SE of Sidewinder Well, 2.0 km SW of Palen Dunes Dr., and 4.6 km N of Interstate 10 130 Comment
  CAS-BOT-BC243462  Schismus barbatus L. R. Abrams 1941-4-23 13925 Riverside White Water wash, Palm Springs railroad station Comment
  UC1547006  Schismus barbatus Leila M. Shultz, John S. Shultz 1985-4-17 8317 Riverside Chuckawalla Valley, along Wiley's Well Road Chuckawalla Valley; , Wiley's Well Road 121 Comment
  UCR264629  Schoenoplectus americanus Mitch Provance 2012-6-19 196- 07 Riverside San Bernardino Valley, Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave 226 Comment
  SEINET10927752  Scirpus californicus Billy Joe Cox 1975-4-23 Cox 4124 Riverside Riverside-Imperial Co. 1-3 km W, (ca 32 mi. S of Blythe). 70 Comment
  RSA507950  Scrophularia californica subsp. floribunda Steve D. Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2267 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  UC1518632  Scrophularia californica subsp. floribunda Robert F. Thorne, Drs. Fosberg, Sachet, and Herbst 1983-4-23 55485 Riverside 4 mi n Whitewater Post Office (along Whtiewater River where road crosses river below fish hatchery); San Bernardino Mts 640 Comment
  RSA740937  Scutellaria bolanderi subsp. austromontana Scott D. White, Justin M. Wood 2008-7-9 12439 Riverside K Flat, from large pond downstream to meadow. 1427 Comment
  RSA749692  Scutellaria bolanderi subsp. austromontana A. C. Sanders, Mitch Provance 2008-7-11 35811 Riverside Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1450 Comment
  UCR247910  Scutellaria bolanderi subsp. austromontana Fred M. Roberts 2013-6-7 7782 Riverside Peninsular Ranges, SANTA ANA MTNS.: Tributary to Upper San Juan Canyon near Chiquito Basin Trail, 1.7 km NNW Upper San Juan Campground 536 Comment
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Jan 23 2016
  UC2015533  Scutellaria mexicana A. C. Sanders with P. MacKay, M. Jacobsmyer, C. Sanders, et al. 1995-3-5 15988 Riverside Colorado Desert, Orocopia Mountains, Maniobra Valley, 1.6-3 mi S of Frontage road (old highway 60) along I-10, S to edge of BLM wilderness. Comment
  UCR147743  Scutellaria mexicana Steve Boyd, Tammy Morgan, Aydee Virgen, S. DeGroot, V. Arvizu, T. Thibault 2004-5-14 11258 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range 570 Comment
  RSA445339  Scutellaria siphocampyloides M. B. Dunkle 1933-7-20 s.n. Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  RSA445340  Scutellaria siphocampyloides Albert J. Perkins 1916-9-4 s.n. Riverside Idyllwild. Comment
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Mar 21 2011
  UC488840  Scutellaria siphocampyloides C. V. Meyer June 1927 173 Riverside San Jacinto Mountains 1676 Comment
  UCR35331  Scutellaria siphocampyloides L. B. Ziegler 1965-6-8 54 Riverside San Jacinto Mtns., Hemet (Thomas/Garner) Valley, side canyons of the valley 1448 Comment
  UCR231048  Searsia lancea A. C. Sanders, T. B. Salvato 2012-1-3 39958 Riverside Peninsular Range, Riverside, south side of UCR campus near old C.E.S. Director's garden, south of South Campus Dr. near College Bldg. North 358 Comment
  HSC83018  Selaginella bigelovii N. M. Fellows 1984-11-12 20 Riverside Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mtns., 1 mi. W of Snow Creek Village 488 Comment
  POM47174  Selaginella bigelovii Mary F. Spencer 1920-4-7 1468 Riverside Palm Canyon; Colorado Desert. 244 Comment
  RSA771703  Selaginella bigelovii Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4754 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 604 Comment
  UCR261512  Selaginella bigelovii Joseph Cahill 2011-1-8 111- 23 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, San Juan Loop Trail, c. 0.5 mi. from eastern trailhead off Hwy 74 590 Comment
  UCR89861  Selaginella bigelovii Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3322 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  RSA641073  Selaginella eremophila Louis Cutter Wheeler 1964-10-17 8639 Riverside North side of Orocopic Mountains: South of Hayfield Reservoir. Comment
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Sep 3 2013
  SEINET9622492 Image available Selaginella eremophila M. D. Windham, K. Pryer, J. Beck, C. Rothfels, A. Grusz 2008-5-15 3559 Riverside SSE of Palm Springs along unnamed tributary of Palm Canyon. ca. 5.61 km WNW of the summit of Murray Hill. T4S, R4E, Sec. 34. 221 Comment
  RSA543735  Senecio californicus Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6070 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
  RSA673632  Senecio californicus Scott D. White, Tasha La Doux 2000-4-20 7709 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  RSA705879  Senecio californicus Michael Wall 2005-4-9 378 Riverside San Jacinto Valley, Santa Rosa Hills, Simpson Park region. 703 Comment
  POM98008  Senecio californicus E. C. Jaeger 1926-3-27 s.n. Riverside Bautista Valley 1220 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
  RSA777731  Senecio mohavensis J. Andre, Glenn L. Clifton 2011-2-22 17443 Riverside Mecca Hills; along Box Canyon Road, 10.3 miles NE of town of Mecca 219 Comment
  UCR237634  Senecio mohavensis Duncan S. Bell, Amanda Turek 2010-4-10 795 Riverside Riverside Mountains, southern section of the mountain range, c. 1 air mi southwest of Riverside Mountain Peak 269 Comment
  UCR279503  Senecio mohavensis A. C. Sanders, Jim Malusa 2017-3-27 43106 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, canyon 12 km NE (46 deg. ) of Bombay Beach, on both sides of the Imperial County line 305 Comment
  RSA524465  Senecio vulgaris Steve Boyd, Timothy S. Ross, Laurel Arnseth, Jaime Bonilla 1990-4-3 4068 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  SD143525  Senecio vulgaris W. L. Halvorson 1977-3-13 77 173 Riverside Rolling hills near Temecula Comment
  SBBG80508  Setaria adhaerens A. C. Sanders 1985-8-24 5948 Riverside near Oasis on Ave 76, 0.4 mi E of Hwy 195, along S side of large drain flowing toward Salton Sea -54 Comment
  UCR90278  Setaria parviflora Scott D. White 1995-7-7 3442 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  UCD92744  Setaria pumila Edward G. Wegenek 1970-8-24 LASCA 952 Riverside southeastern Riverside County. Comment
  UCD92862  Setaria viridis Herbert L. Mason; Malcolm A. Nobs 1948-9-3 491 Riverside 2 miles north of Indio. Comment
  LA205908  Sidalcea malviflora O. A. Plunkett; 1926-4-18 sn Riverside Temecula Comment
  UCR227596  Sidalcea malviflora Duncan S. Bell, Joy England 2010-5-20 1023 Riverside San Jacinto Mountains, San Bernardino National Forest, Garner Valley, c. 1.75 air miles southeast of junction of Forest Service Road 6S04 and Forest Service Road 6S13 1361 Comment
  POM13266B  Sidalcea malviflora subsp. sparsifolia P. A. Munz, I. M. Johnston 1922-5-19 5441 Riverside Hemet Valley, San Jacinto Mountains, 1 mile from Garner Ranch. 1372 Comment
  RSA87523  Sidalcea malviflora