Search Results — 2000 specimen records retrieved (1898 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/cch_archive/).
 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
  SBBG95819  Abies concolor F. C. Vasek 1977-11-25 771125 -1 Riverside below Boulder Basin Cmpgrd Comment
  UCR26356  Abies concolor A. C. Sanders, J. A. Harpel 1981-8-26 2336 Riverside Santa Rosa Mtns., Cedar Spring 2250 Comment
  CSUSB1069  Abronia villosa Dave Cerf 1971-4-18 Riverside White Water; Painted Hill- 2 miles north of White Water Canyon. 396 Comment
  CSUSB1081  Abronia villosa P. A. Rauch 1968-2-22 Riverside San Gorgonio Wash. Comment
  CLARK-A1528-3918  Abronia villosa var. aurita Charles S. Papp 1965-6-13 833 Riverside San Jacinto Comment
  POM6704  Abronia villosa var. aurita P. A. Munz, L. T. Street, G. Williams 1919-3-26 2336 Riverside Palm Canyon 213 Comment
Read comments
Apr 23 2011
  RSA773658  Abronia villosa var. aurita Duncan S. Bell, Joy England 2010-10-5 1977 Riverside San Bernardino National Forest: Garner Valley, approximately 2.6 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1387 Comment
  SEINET946021  Abronia villosa var. aurita Robert L. Rutherford 1944-1 1592 Riverside Palms to Pines Highway. 1463 Comment
  UCR238088  Abronia villosa var. aurita Mark A. Elvin, Julie M. Vanderwier 2002-5-16 2052 Riverside Peninsular Range; Agua Tibia Mtns., Pechanga Indian Reservation, nameless drainage/wash south of Pala Rd. 335 Comment
  JOTR28915  Abronia villosa var. villosa La Doux, Tasha, Bill Truesdell 2004-3-11 1150 Riverside Joshua Tree National Park. Pinto Basin; Sand Hills 533 Comment
  RSA749943  Abronia villosa var. villosa Justin M. Wood 2009-3-26 410 Riverside [Coachella Valley:] Bermuda Dunes; Avenue 38, between Washington St and I-10. 37 Comment
  UC303555  Abutilon theophrasti Gordon Surr Sep 1917 Riverside Citrus Experimental Station Riverside Comment
  UCR26354  Abutilon theophrasti A. C. Sanders 1981-10-31 2395 Riverside McKinley St. between Riverside & Corona, 0.3 mi north of Hwy 91 & c. 100 yards west of McKinley 305 Comment
  UCR35039  Acacia greggii L. B. Ziegler 1967-8-23 211 Riverside San Jacinto Mtns, Pinyon Flats; dry washes on the flats 1250 Comment
  RSA20296  Acacia greggii var. arizonica Roxana S. Ferris, Ruth P. Rossbach 1938-5-16 9563 Riverside Mecca Hills 2 miles up Painted Canyon. Comment
  RSA0123176  Acamptopappus sphaerocephalus Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9065 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  UCR133964  Acamptopappus sphaerocephalus Mitch Provance, J. S. Ross 1998-3-27 MOR- 957 Riverside San Bernardino Mtns., Morongo Indian Reservation, road to Lion Cyn., c. 2.1 miles NE of Cabazon 549 Comment
  UCR279406  Acamptopappus sphaerocephalus A. C. Sanders, Jim Malusa 2017-3-25 43021 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  RSA346618  Acamptopappus sphaerocephalus var. sphaerocephalus R. F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54033 Riverside San Bernardino Mountains: 1/4 mile W of Whitewater P. O. and 1/2 mile W of Whitewater River 415 Comment
  RSA416163  Acamptopappus sphaerocephalus var. sphaerocephalus Anstruther Davidson 1993-4-10 s.n. Riverside Palm Springs. Comment
Read comments
Mar 20 2013
  UC63196  Acamptopappus sphaerocephalus var. sphaerocephalus H. M. Hall May 17 1901-Jun 1 1901 1933 Riverside east base San Jacinto Mt. 609 Comment
  UC29246  Achillea millefolium H. M. Hall 1897-1-1 Riverside San Jacinto Mountains Comment
  RSA583363  Achnatherum coronatum Steve Boyd, Darin Banks 1995-4-5 8418 A Riverside Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the eastern edge of the Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary. 579 Comment
  UC472686  Achnatherum coronatum M. F. Spencer 1921-4-19 Riverside Banning San Bernardino Mts. Comment
Read comments
Mar 13 2011
  CAS-BOT-BC260438  Achnatherum hymenoides L. R. Abrams 1941-4-24 13930 Riverside Palm Springs Railroad Station Comment
  RSA714960  Achnatherum hymenoides Sarah J. De Groot, J. Mark Porter 2006-3-14 5204 Riverside North foot of San Jacinto Mts, between Snow Creek Road and Highway 111. Stabilized sand dunes. 351 Comment
  UC38406  Achnatherum hymenoides H. M. Hall May 1899 1163 Riverside base El Toro Mt.; San Jacinto Mts. 1402 Comment
  UC819258  Achnatherum hymenoides I. W. Clokey and B. C. Templeton 1930-4-9 4670 Riverside n Palm Springs; Colorado Desert 170 Comment
  SBBG57049  Achnatherum occidentale subsp. occidentale R. Hoffmann 1929-9-6 Riverside San Jacinto Mtns 2438 Comment
  RSA741606  Achnatherum parishii subsp. parishii Scott D. White, Justin M. Wood 2008-6-16 12132 Riverside Fobes Ranch Road N of Quinn Flat 1390 Comment
  UC69342  Achnatherum speciosum W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1896 Riverside Coyote Canyon Santa Rosa Mt. 1676 Comment
  UCR10956  Acleisanthes longiflora Charlotte McCreary 1970-12-29 s.n. Riverside Colorado River Valley, near Palo Verde diversion dam on Hwy 95 91 Comment
  UCD104583  Acmispon R. Tofsrud 1951-3 s.n. Riverside W. of Elsinore on Hwy. 74. 609 Comment
  SEINET957104  Acmispon argophyllus H. M. Hall 1902-1 2899 Riverside Upper Sonoran Zone. 762 Comment
  SBBG67317  Acmispon argophyllus var. argophyllus M. D. Clary 1928-3-25 550 Riverside Whitewater Cyn 548 Comment
  SD133089  Acmispon glaber Scott White 1991-3-22 Riverside Los Alamos Road, ca. 2 mi. W of I-215 exit, by road; just E of the city of Murrieta, between Murrieta & I-215. 366 Comment
  SDSU13314  Acmispon glaber var. brevialatus Shawn Johnston, Calf. Taxonomy Class spring 2000 2000-4-1 11 Riverside Found on the side of the dirt road which leads down to the river on the North side. Comment
  UCSB26908  Acmispon grandiflorus Wilken, Dieter 1969-6-30 Riverside Dark Canyon along County Road R1, 7.0 miles north of Idyllwild, San Jacinto Mtns. Comment
  SBBG44749  Acmispon rigidus Leota Davidson 1965-5-11 179 Riverside Joshua Tree Nat Monument Comment
  JOTR32433  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
  RSA748219  Adenostoma fasciculatum T. Scott, A. Townesmith, K. M. Meyer 2007-3-9 110 Riverside Cleveland National Forest. 0.8 mile down Woodridge Rd. in town of Oak Grove, at Oak Grove trailhead. 855 Comment
  UCR16482  Adenostoma fasciculatum K. T. Seng 1966-4-13 660413- 5 Riverside Santa Ana Mtns, NE slope of Santa Ana Mountain, end of Main Street, 4 mi. from downtown Corona 457 Comment
  POM49866  Adenostoma fasciculatum var. fasciculatum Philip A. Munz, Johnson 1924-7-29 8860 Riverside Above Poppet Flat, San Jacinto Mts. 1220 Comment
  CAS-BOT-BC139867  Adenostoma sparsifolium F. Grinnell Jr. 1908-7-25 s.n. Riverside San Jacinto R. 762 Comment
  CHSC22834  Adenostoma sparsifolium Robert A. Schlising 1968-8-18 2905 Riverside San Jacinto Mountains, short distance south of Idyllwild on Hwy R-1. Comment
  SD229252  Adenostoma sparsifolium Dick Schwenkmeyer 2012-3-26 667 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx 1 mile northeast of junction of Highway 74 and Morris Ranch Road, base of steep bouldery slope. 1374 Comment
  POM13637  Adiantum capillus-veneris E. C. Jaeger 1922-4-15 1037 Riverside Eagle Canyon, 5 miles south-east of Palm Springs. Comment
Read comments
Aug 3 2011
  RSA70608  Agave deserti subsp. deserti Frank W. Peirson 1921-4-13 2290 Riverside Deep Canyon; north base of Santa Rosa Mountains, Riverside. 335 Comment
  SEINET5641183  Agave deserti var. deserti Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28520 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert. 759 Comment
  RSA95111  Agoseris heterophylla var. heterophylla F. W. Peirson 1922-5-20 3045 Riverside Hemet Valley, San Jacinto Mountains. 1371 Comment
  RSA750749  Agoseris retrorsa Scott D. White, Justin M. Wood 2009-5-22 12892 Riverside San Jacinto Mountains: Quinn Flat Meadow. 1372 Comment
  UCR98250  Agrostis exarata Scott D. White 1996-8-1 4448 Riverside San Jacinto Mountains, Idyllwild area north of Isomata along USFS Road 5S24.1 1646 Comment
  SEINET3074278 Image available Ailanthus altissima Oscar F. Clarke 1970-7-22 Riverside Growing in the Botanic Gardens of the University of California at Riverside. Comment
  CAS-BOT-BC434476  Allionia incarnata Lester Rowntree 1937-5-26 s.n. Riverside Box Canon [Canyon], Mecca Comment
  POM13990  Allionia incarnata P. A. Munz, D. D. Keck 1922-4-9 4896 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
  RSA462625  Allionia incarnata Robert Gustafson 1980-4-3 1527 Riverside Orocopia Mountains, about 6 miles east of Mecca on Box Canyon road. 305 Comment
  UCR163053  Allionia incarnata B. G. Pitzer, G. R. Ballmer 2000-10-14 4216 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
  UCR169942  Allionia incarnata Scott D. White, Jennifer H. Jones 2005-4-21 10942 Riverside Sonoran Desert, Eastern Coachella Valley. Bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  UCR74357  Allionia incarnata Theo Glenn 1991-4-30 91- 64 Riverside Sonoran (Colorado) Desert, McCoy Mtns, NW of Blythe 280 Comment
  SD120078  Allionia incarnata var. villosa Louis B. Ziegler 1966-9-13 83 Riverside San Jacinto Mountains, Canyon of Carrizo Creek above Highway #74 crossing. 701 Comment
Read comments
Jul 10 2010
  POM13074  Allium burlewii E. C. Jaeger s.n. Riverside San Jacinto Mountains. Comment
  SD67627  Allium fimbriatum var. munzii I. W. Clokey, C. B. Clokey, B. Templeton 1930-4-15 4621 Riverside Gavilan Peak. 600 Comment
  RSA180344  Allium haematochiton E. W. Lathrop 1965-5-30 5772 Riverside 6 miles W of Murrieta. Comment
  RSA496377  Allium haematochiton Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-19 3053 Riverside Vail Lake area, 0.75 mi NW of dam, clay deposits on dissected bench, S flank Oak Mountian. 621 Comment
  RSA777143  Allium haematochiton Steve Boyd 2010-5-16 12275 Riverside San Jacinto Mountains: Northwestern base of San Jacinto Mountains along Highland Springs Ave., 1.5 miles S of Breckenridge Ave, City of Banning. 732 Comment
  SD247543  Allium haematochiton J. Mark Porter, Lauen E. Machen 1997-2-15 11421 Riverside North of Interstate 15 at the Lake Street / Walker Canyon exit, 4.4 mi NE of the Hwy 74 exit at Lake Elsinore. 390 Comment
  UCR133998  Allium haematochiton Denise Woodard 1998-3-17 s.n. Riverside Murrieta, 1 mile SE of intersection of I-215 and Clinton Keith Rd., proposed Adobe Springs park site 396 Comment
  UCR281245  Allium haematochiton Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-27 317- 72 Riverside Temescal Valley, North side of Concordia Ranch Rd., slopes just east of Black Powder Rd. 393 Comment
  UCR15905  Allium parishii Steve Boyd 1978-4-22 780422- 07 Riverside Sonoran (Colorado) Desert, 5 mi north of the S entrance of Joshua Tree National Monument, near Pinto Basin Road Comment
  RSA543160  Allium peninsulare Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6090 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain 3 miles N Highway 79, 1 mile W of Highway 371, N of Aguanga. 600 Comment
  CAS-BOT-BC475412  Allium praecox Mrs. Wilder 1905-4-1 s.n. Riverside Riverside, Calif. Comment
  RSA543140  Allium praecox Steve Boyd 1991-3-17 5505 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  JEPS69413  Allophyllum gilioides subsp. violaceum W. L. Jepson 1901-5-24 1416 Riverside Santa Rosa Mts., Van Deventer Flat 1432 Comment
Read comments
Aug 12 2013
  UCR26622  Allophyllum glutinosum H. A. Zuill 1966-6-19 229 Riverside Los Alamos Road Comment
  UCR92338  Allophyllum glutinosum Scott D. White, M. D. Wilcox 1995-7-13 3478 Riverside Santa Ana Mtns., Unnamed canyon c. 0.25 mi. SW of Grand Ave., Lake Elsinore, directly downslope from hairpin turn on State Hwy 74. 488 Comment
  RSA611423  Alnus rhombifolia C. Epling 1937-04 s.n. Riverside Idyllwild Comment
  CAS-BOT-BC516262  Alternanthera caracasana Mitch Provance 2013-6-18 613 -30 Riverside Santa Ana River Valley: Riverside, Arlanza area, Terrace Middle School on Rutland Ave. 227 Comment
  UCR201866  Amaranthus albus Justin M. Wood 2008-8-31 119 Riverside Perris Basin, Romoland, 1/4 mi south of Ethanac Road between San Jacinto Road and Palomar Road just south of railroad tracks 448 Comment
  UCR95420  Amaranthus fimbriatus L. C. Wheeler 1966-10-15 8985 Riverside San Jacinto Mtns., near Black Hill, by Pines to Palms Hwy. 976 Comment
  CLARK-A1528-1398  Amaranthus hybridus John C. Roos 1965-10-13 Riverside Corona Comment
  UCR94925  Amaranthus palmeri Scott D. White 1996-9-22 4533 Riverside Perris Basin, Perris: Nuevo Road, just east of San Jacinto River crossing 435 Comment
  UCR174334  Amaranthus retroflexus A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23169 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. east of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  UCD128860  Ambrosia acanthicarpa Lewis S. Rose 1966-12-11 66094 Riverside Palm Springs. 152 Comment
  UCR275353  Ambrosia acanthicarpa T. B. Salvato, Melissa Clemons 2005-6-9 1496 Riverside Peninsular Range, Gavilan Hills, E/W trending side canyon feeding into Walker Canyon, c. 0.3 mile northeast of Hwy 15 457 Comment
  OBI23435  Ambrosia dumosa F. Seaman 1972-3-23 76 Riverside On outskirts of Palm Springs on US hwy 111 Comment
  RSA766608  Ambrosia dumosa Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-4-27 175 Riverside Orocopia Mtns Wilderness. Orocopia Mtns. SR 2013/ Red Canyon Rd at wilderness boundary sign. 689 Comment
  UCD128696  Ambrosia ilicifolia P. A. Munz; D. Keck 9-12 Apr 1922 4782 Riverside vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
  RSA0008347  Ambrosia pumila Steve Boyd, Timothy S. Ross, David Zippin, Tom Oberbauer 1991-6-14 6331 Riverside Skunk Hollow area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aquaduct. Comment
  SFV9315  Ambrosia salsola D. H. Hoover 1968-3-23 68 41C Riverside Colorado Desert Mission Creek Road, south of Morongo Valley and north of Whitewater (Palm Springs Inct.). Comment
  UCD128884  Ambrosia salsola R. L. Smith 1948-3-24 s.n. Riverside Murray Canyon. Comment
  UCR148334  Ambrosia salsola John F. Green 2005-1-14 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  JEPS30088  Ambrosia salsola var. pentalepis Lewis S. Rose 1962-3-2 62013 Riverside La Quinta 3 Comment
  SBBG8467  Ambrosia salsola var. salsola H. and M. Dearing 1936-12-25 2334 Riverside Long Cyn, Colorado Desert Comment
  UCD80959  Ambrosia salsola var. salsola Chuck Hughes 2009-3-23 56 Riverside South of Highway 62 near the abandoned Desert Center Airport. Near city of Rice. 219 Comment
  RSA156027  Amorpha californica P. H. Raven 1962-5-18 17752 Riverside [Santa Ana Mountains] Main Divide truck trail 2.9 miles south of Santiago Peak. 1234 Comment
  UCR116514  Amorpha fruticosa A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20703 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
  UCR120910  Amsinckia intermedia A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24946 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCR158315  Amsinckia intermedia A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30054 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
  UCR174108  Amsinckia intermedia A. C. Sanders 2006-5-19 32425 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  RSA0089961  Amsinckia retrorsa A. C. Sanders 2005-5-4 29846 Riverside Gavilan Hills near Riverside: ca. 1 km east and southeast of Gavilan Peak 625 Comment
  CSUSB994  Amsinckia tessellata Becky Brooks 1973-5-26 S. N. Riverside Corona; app. 250 yards N. of Ontario Highway and 100 yards E. of Comptom Ave. North facing slope of small foothills. 228 Comment
  RSA0091251  Amsinckia tessellata Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11298 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage.Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  UCR41830  Amsinckia tessellata A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6104 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UC218011  Amsonia tomentosa P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4843 Riverside vicinity of Corn Springs Corn Springs; Colorado Desert, Chuckwalla Mts. 762 Comment
  RSA450911  Anagallis arvensis Stephen M. Beckstrom-Sternberg 1986-12-2 1115 Riverside UC Riverside, growing in bank next to glasshouse # 20. Comment
  RSA336208  Anagallis minima Robert F. Thorne, M. Z. Thorne, W. Wisura 1978-5-21 51984 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  RSA387340  Ancistrocarphus filagineus Steve Boyd 1986-4-22 1772 Riverside Temescal Canyon: Terrace escarpment E side of Indian Wash, S of I-15. Comment
  UCR266277  Ancistrocarphus filagineus D. E. Bramlet, Ileene Anderson 2005-4-18 3808 Riverside Hills west of Hemet-Ryan Airport, 650 m west of California Ave., 1300 m south of Hwy 74, 1100 m north of Stowe Rd. 539 Comment
  UCR281219  Ancistrocarphus filagineus Mitch Provance, Jeremiah George 2017-3-23 317- 42 Riverside Temescal Valley, east side of Campbell Ranch Rd., +- 500 ft. north of Indian Truck Trail 361 Comment
  RSA500988A  Ancistrocarphus filagineus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3107 A Riverside Vail Lake area, dried bed of man-made pond and adjacent slopes at N base of rounded knob 1.25 miles WSW of dam. 610 Comment
  UCR90344  Anemopsis californica Scott D. White 1995-6-29 3413 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  UC29526  Antennaria rosea H. M. Hall 1901-7-1 2401 Riverside Tamarack Valley San Jacinto Mountains, Tamarack Valley Comment
  SEINET3132559  Antennaria rosea subsp. rosea F. M. Reed 1908-7-10 2425 Riverside Round Valley Comment
  UCR20975  Anthriscus caucalis G. Auxier 1980-4-30 s.n. Riverside Peninsular Range, 2 mi. north of Rainbow 366 Comment
  UCR116925  Antirrhinum coulterianum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24220 Riverside Perris-Aguanga Basin region, Hemet, SE of intersection of State Street and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley, 1 mi. SSW of Hemet Butte 513 Comment
  UCR160124  Antirrhinum coulterianum J. Chandler 2003-6-24 1261516 Riverside Peninsular Range, Vacant lot across from 42525 Wildwood Lane, Aguanga 1006 Comment
  CLARK-A1045-120  Antirrhinum filipes George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep Canyon; Palm Desert 15'Q Comment
  RSA336198  Antirrhinum filipes Robert F. Thorne, A. Shmida, R. Whittaker 1978-4-23 52014 Riverside Chino Canyon. Comment
  CLARK-A1528-4168  Antirrhinum nuttallianum John C. Roos 1940-5-20 904 Riverside Reche Canyon Comment
  UC1929471  Antirrhinum nuttallianum Scott D. White, Michael Honer 2003-6-3 9462 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. Temecula 7.5 Quad. Comment
  VVC475  Antirrhinum nuttallianum A. C. Sanders 1997-5-4 20701 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek. 854 Comment
  RSA191418  Antirrhinum nuttallianum subsp. nuttallianum E. W. Lathrop, Robert F. Thorne 1967-9-26 6609 Riverside Tenaja Guard Station, 10 miles NW of Murrieta. Comment
  UCR230217  Apiastrum angustifolium A. C. Sanders 2011-4-6 38981 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
  UCR241838  Apiastrum angustifolium A. C. Sanders, Timothy W. Chumley 2013-4-2 40737 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., near I-15 Fwy, SE of Corona (Lee) Lake 377 Comment
  SDSU13000  Apocynum cannabinum Michael G. Simpson 1999-10-27 2030 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  SDSU9933  Aquilegia formosa Garrison 1962-7-29 Riverside 0.25 miles from center of Idyllwild village in dense growth along bank of Strawberry Creek. 1615 Comment
  RSA741070  Arabis glabra Scott D. White, Justin M. Wood 2008-6-5 12078 Riverside Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  UCR193890  Arabis glabra A. C. Sanders, Mitch Provance 2008-7-11 35821 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
  POM293087  Arabis pulchra Lyman Benson 1946-4-15 12033 Riverside Canyon on Twenty-nine Palms Road from Whitewater. 457 Comment
  RSA482629  Arabis pulchra Mark Morris 1929-3-17 14884 Riverside Palm Canyon. Comment
  UCR25404  Arabis pulchra John C. Roos 1942-5-2 1146 Riverside Mojave Desert, Joshua Tree National Monument [now Park], Wonderland of Rocks [county uncertain, near San Bernardino Co. line] Comment
  RSA0128857  Arabis sparsiflora Scott D. White, Justin M. Wood 2009-5-21 12835 Riverside McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 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
  UC170148  Arbutus menziesii Geo. R. Hall 1912-1-1 Riverside Santiago Peak; Santa Ana Mountains, Santiago Peak 1524 Comment
  RSA629174  Arctostaphylos Jon E. Keeley 1992-7-17 16793 Riverside Road to Thomas Mountain (5S15), 5.2 km north of Toolbox Spring. 1840 Comment
  UCR268273  Arctostaphylos glandulosa Jim Andre 2012-6-15 30514 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
  UCR273478  Arctostaphylos glandulosa A. C. Sanders, Glen Morrison 2016-8-4 42623 Riverside Peninsular Range; San Jacinto Mtns., Hwy 74 at McGaugh Rd., west slope of the mountains below Mountain Center 1314 Comment
  UCR273485  Arctostaphylos glandulosa A. C. Sanders, Glen Morrison 2016-8-4 42621 Riverside Peninsular Range; San Jacinto Mtns., Hwy 74 below McGaugh Rd., west slope of the mountains at mile post 58.19, below Mountain Center 1311 Comment
  RSA0063794  Arctostaphylos glandulosa subsp. glandulosa W. Pequegnat 1940-5-25 s.n. Riverside Modjeska Springs, Santa Ana Mts. Comment
  CAS-BOT-BC24628  Arctostaphylos glauca Sheet; Durant 1918-5-12 s.n. Riverside San Jacinto River Canyon. Comment
  RSA631746  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19261 Riverside Highway 79, 5 km west of Radec. 580 Comment
  RSA631766  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15077 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA631772  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16555 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA631783  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19279 Riverside Highway 79, 5 km west of Radec. 580 Comment
  RSA631797  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19567 Riverside Highway 79, 4 km west of Aguanga. 660 Comment
  RSA631846  Arctostaphylos glauca Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20175 Riverside Truck trail on north-face of Santa Rosa Mountain, ca. 3 km south of Pinyon Pines, Santa Rosa Mountains. 1350 Comment
  SBBG5436  Arctostaphylos glauca H. and M. Dearing 1937-11-27 1260 Riverside Palms to Pines Hwy Comment
  SD152870  Arctostaphylos glauca Steve Boyd 1992-10-14 7716 Riverside Southern Santa Ana Mountains, northeastern corner of the silderness, south of Elsinore Peak. 975 Comment
  SD7734  Arctostaphylos glauca J. C. Nevin 1884-1 Riverside San Jacinto Mtns. Comment
  SEINET3101882  Arctostaphylos glauca Marc A. Baker, with Michelle Cloud-Hughes 2011-6-10 17355 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 Comment
  RSA633577  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20109 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633592  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22507 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633657  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16644 Riverside Road to Santa Rosa Mountain (7S02), 7.5 km south of Highway 74. 1860 Comment
  RSA633750  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21783 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  UCR123792  Arctostaphylos patula Steven R. Hill, K. Kramer and family 2001-4-26 33470 Riverside San Jacinto Mtns., San Jacinto Wilderness west of Palm Springs, trails south of visitor building at terminus of Palm Springs Aerial Tramway; vicinity of Long Meadow and higher ridges 2591 Comment
  RSA635598  Arctostaphylos peninsularis subsp. peninsularis Jon E. Keeley 1992-7-17 16760 Riverside Road to Thomas Mtn. (5S15), 1.8 km south of Toolbox Spring, west of Garner Valley, San Jacinto Mountains. 1785 Comment
  CAS-BOT-BC44369  Arctostaphylos pringlei subsp. drupacea Scott D. White 1996-8-1 4426 Riverside Idyllwild area: Hwy 243 at Deer Springs trailhead and adjacent area. 1828 Comment
  RSA802139  Arctostaphylos pringlei subsp. drupacea Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5010 Riverside Strawberry Creek to the southwest of Strawberry Valley, about 2.4 air miles southwest of Idyllwild. 1534 Comment
  LA42245  Arctostaphylos pungens W. B. Welch; 1928-5-5 sn Riverside San Jacinto Mountains, Idyllwild Comment
  UCSB4761  Arctostaphylos pungens Gill, Robert 1959-11-22 Riverside Idyllwild; San Jacinto Mt. Range; Pacific slope drainage area 1645 Comment
  RSA635994  Arctostaphylos rainbowensis Jon E. Keeley 1992-9-26 21612 Riverside W of Hwy 15, 1.5 km S of Temecula. 430 Comment
  RSA636009  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19556 Riverside Carancho Rd., W. of Temecula. 440 Comment
  RSA636021  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19493 Riverside West of Temecula, off Calmara Rd., 1 km south of Carancho Rd. and west of De Luz Rd., eastern Santa Margarita Mountains. 600 Comment
  RSA636173  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19480 Riverside West of Temecula, off Colman Rd., 0.8 km north of Carancho Rd. and west of De Luz Rd., eastern Santa Margarita Mountains. 590 Comment
  RSA636182  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19538 Riverside West of Temecula, north-facing slopes off Carancho Rd., 2.8 km west of Via Volcano, eastern Santa Margarita Mtns. 320 Comment
  SD152623  Arctostaphylos rainbowensis Craig Reiser 2000-8-28 Riverside ca. one mile southwest of Pechanga Reservation casino, south of creek and west of substantial tributary, on hilltop (mak 11/06) Comment
  SBBG34202  Argemone munita T. L. Secrest 1951-5-18 Riverside San Jacinto River bed near Hemet Comment
  RSA105975  Argemone munita subsp. munita Gerald B. Ownbey, Findley Ownbey 1954-8-7 2178 -a Riverside 9.7 mi., s.e. of Idyllwild, Hemet Valley road; 1372 Comment
  CAS-BOT-BC27541  Argythamnia californica Harvey Monroe Hall 1905-4-1 5796 Riverside Marshall Canyon, 7 mi. W of Coachella 30 Comment
  CAS-BOT-BC137651  Aristida adscensionis Ira L. Wiggins 1941-3-27 9676 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  RSA784746  Aristida adscensionis Duncan S. Bell 2012-2-12 3090 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  UCR248085  Aristida californica Duncan S. Bell 2012-9-13 4181 Riverside Sonoran (Colorado) Desert, Rice Valley; east side of the Arica Mountains; c. 6 air miles southeast of the ghost town of Rice and c. 5.5 air mi east of Priests Well 202 Comment
  UCSB37795  Aristida purpurea Roos, John 1965-9-26 Riverside Palm Springs 121 Comment
  POM264638  Aristida purpurea var. fendleriana J. C. Roos 1938-8-7 583 Riverside Pinyon Flats Camp, Santa Rosa Mountains. 1220 Comment
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Apr 3 2011
  RSA457405  Aristida purpurea var. purpurea J. C. Roos 1965-9-26 s.n. Riverside Palm Springs. 122 Comment
  UCR2161  Aristida purpurea var. purpurea F. M. Reed 1933-5-31 7920 Riverside Santa Rosa Mtns., Santa Rosa Indian Reservation, near the bridge on the Palms to Pines Road [Vandeventer Flats] 1372 Comment
  SEINET10721371  Artemisia David B. Dunn 1946-8-17 Dunn 2678 Riverside Near stream at camp in Taquity Valley damp meadow area. Comment
  RSA772577  Artemisia californica Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5050 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010 750 Comment
  UC1080343  Artemisia californica E. K. Balls and P. C. Everett 1957-11-4 22755 Riverside Snow Creek 609 Comment
  RSA638202  Artemisia douglasiana Scott D. White 1998-10-9 7172 Riverside Corona, near Bedford Canyon: ''Joseph Canyon'' wash near a disused quarry. Site adjacent to housing tracts now under construction and proposed for same. 335 Comment
  UCSB6349  Artemisia douglasiana Kamb, Peter 1948-10-31 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  JOTR32653  Artemisia ludoviciana subsp. albula La Doux, Tasha, K. Matthews, S. Szabo, J. Van Warmerdam, B. Truesdell 2007-10-4 2557 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Lower Covington Flat, southeast of trailhead heading toward Smith Water Canyon (Stop 2) 1398 Comment
  UCR100164  Artemisia ludoviciana subsp. incompta Scott D. White 1992-12-16 985 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
  CAS-BOT-BC93480  Artemisia tridentata subsp. tridentata Philip A. Munz 1946-10-19 11565 a Riverside Coahuila 1097 Comment
  LA202958  Artemisia tridentata subsp. tridentata Harlan Lewis; 1939-10-22 1034 Riverside San Jacinto Mountains, Hemet Lake 1371 Comment
  SD43533  Artemisia tridentata subsp. tridentata Philip A. Munz 1946-10-19 11565 a Riverside Coahuila 1095 Comment
  JOTR36452  Asclepias albicans La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3422 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
  SEINET10580571  Asclepias erosa J. Francis Macbride, Francis E. Drouet 1941-10-14 Macbride 4473 Riverside Near Hopkins Well, about 15 mi W of Blythe 244 Comment
  RSA388392  Asclepias fascicularis R. F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61206 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
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Jun 30 2018
  JEPS5155  Asclepias subulata W. L. Jepson Oct 22 1912-Nov 7 1912 5236 Riverside near Riverside Mts.; Colorado River 45 Comment
  POM48555  Asclepias subulata F. W. Peirson 1924-12-30 5420 Riverside Thousand-Palms Canyon, north side of Coachella Valley. 122 Comment
  RSA784783  Asclepias subulata Duncan S. Bell 2012-3-18 3187 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
  UCD121362  Asclepias subulata Geoffrey Levin 1975-12-7 659 Riverside Painted Canyon, about 9 mi. east of Mecca. Mecca Hills Mt. Range. Salton Sink drainage area. 76 Comment
  SD241649  Asparagus asparagoides A. C. Sanders 2010-5-29 38428 Riverside Riverside, yard at 5081 Magnolia Ave; at corner of Chapman Place (Riverside West 7.5'Q) 257 Comment
  UC1550221  Asparagus asparagoides B. Pitzer and E. Misqez 1988-2-28 636 Riverside sw of Murrieta (Avenida del Oro, s of Rancho California Road, n of road); Walker Basin 426 Comment
  RSA667137  Asphodelus fistulosus A. C. Sanders, T. B. Salvato 2001-5-24 24371 Riverside Temecula, Long Canyon area west of Del Rey Rd. along Avenida Buena Suerte. 381 Comment
  RSA417618  Aster alpigenus var. andersonii Anstruther Davidson 1876-7-7 s.n. Riverside Strawberry Valley. Comment
  POM48847  Aster hesperius Mr Grout, S. Grout 1900-9-27 s.n. Riverside Cienega Comment
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Jul 4 2010
  GMDRC5834  Astragalus aridus J. M. Andre 2013-3-27 24804 Riverside Rice Valley: east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62) 242 Comment
  RSA781390  Astragalus aridus Duncan S. Bell 2010-5-1 907 Riverside Arica Mountains: northwest of mountain range, approximately 7.2 air miles west of the ghost town of Rice, and approximately 6 air miles northwest of Priests Well. 312 Comment
  UC862495  Astragalus aridus Lewis S. Rose 1937-4-10 37155 Riverside 3 mi se Indio; se of Indio -15 Comment
  UCR166013  Astragalus aridus Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  UCR241012  Astragalus didymocarpus Tracy Tennant 1998-4-28 257 Riverside San Jacinto, Ramona Expressway and Donna Way, near bank of San Jacinto River 488 Comment
  RSA689493  Astragalus didymocarpus var. didymocarpus Scott D. White 2001-4-19 8383 Riverside Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5 - 2 mi. W of I-215 freeway. 442 Comment
  UCR20403  Astragalus didymocarpus var. didymocarpus John C. Roos 1952-4-9 5484 Riverside Hill by Fairmont Park, Riverside 259 Comment
  CAS-BOT-BC182590  Astragalus didymocarpus var. dispermus P. A. Munz 1922-4-29 5096 Riverside Dripping Spring, near Temecula Creek 518 Comment
  POM15067  Astragalus didymocarpus var. dispermus Mary F. Spencer 1922-3-25 1426 Riverside Mecca. -49 Comment
  RSA505019  Astragalus douglasii var. parishii D. Charlton 1988-5-21 1918 Riverside Thomas Mtn Rd, W of Garner Valley and S of Lake Hemet on Hwy 74. 1829 Comment
  UC14752  Astragalus douglasii var. parishii H. M. Hall June, 1901 2123 Riverside eastern base San Jacinto Mountains (along the borders of the Colorado Desert); eastern base San Jacinto Mountains, Colorado Desert Comment
  RSA0037331  Astragalus insularis var. harwoodii John C. Roos 1958-3-15 s.n. Riverside Chuckwalla Mtns., 3 miles SE of Desert Center. Comment
  CLARK-A1528-454  Astragalus lentiginosus var. coachellae Charlotte Stocks 1963-3-27 Riverside Coachella Valley Comment
  IRVC28833  Astragalus lentiginosus var. coachellae Mark A. Elvin 2005-4-26 4226 Riverside Coachella Valley; E of Flat Top Mtn; at base in sand dunes. Northern Sonoran Desert 152 Comment
  RSA707348  Astragalus lentiginosus var. coachellae Jonathan Snapp-Cook, Kurt Roblek, Kevin B. Clark, Reas Chavez 2005-6-30 CFW- 010 Riverside Rancho Mirage, eastern Riverside County. 0.5 miles WNW of intersection of Ramon Road and Los Alamos Way. This area is referred to as Big Dune 91 Comment
  CAS-BOT-BC187487  Astragalus leucolobus Elizabeth McClintock 1965-6-25 s.n. Riverside Top of Santa Rosa Mountain Comment
  RSA122248  Astragalus nutans Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring. Comment
  JOTR34175  Astragalus palmeri Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 136 Riverside Joshua Tree National Park. Little San Bernardino Mountains; side canyon of Pushawalla Canyon; Steep rocky/gravelly drainage near elevated seep, and steep gravelly hills surrounding it (Stop 4) 1371 Comment
  POM229012  Astragalus palmeri P. A. Munz 1937-5-30 15128 Riverside Dos Palmos Spring, north end of Santa Rosa Mountains. 1098 Comment
  CAS-BOT-BC194170  Astragalus pomonensis Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-3 4071 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of Big Oak Mtn., just S of the E summit. 701 Comment
  RSA415654  Astragalus pomonensis N. C. Cooper 1949-3-18 3165 Riverside Elsinore. 457 Comment
  RSA492850  Astragalus pomonensis Bill Wagner 1988-3-9 s.n Riverside Grain field at Benton Rd. and San Diego aqueduct, 1/2 mile E of Winchester Rd., NE of Murrieta. 412 Comment
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Mar 20 2011
  UCR117404  Astragalus pomonensis A. C. Sanders, Carolyn Washburn 2001-5-10 24230 Riverside Perris-Aguanga Basin region, foot of North Domenigoni Hills at south end of Warren Rd., 3 mi. SE of Winchester 457 Comment
  UCR238090  Astragalus pomonensis Mark A. Elvin, Julie M. Vanderwier, Frank Sartuche 2002-5-16 2048 Riverside Peninsular Range; Agua Tibia Mtns., Pechanga Indian Reservation, nameless drainage/wash south of Pala Rd. 335 Comment
  POM9021  Astragalus pomonensis P. A. Munz, R. D. Harwood 1920-3-20 3376 Riverside 5 miles S of Corona. 305 Comment
  POM12715  Athyrium filix-femina P. A. Munz 1922-7-6 5991 Riverside San Jacinto Mountains: Tahquitz Valley. 2195 Comment
  RSA604849  Athysanus pusillus Scott D. White 1995-3-30 2645 Riverside Moreno Valley; hills +/- 0.7 air mile directly S of 60 Fwy and west of bend in Moreno Beach Dr; (USGS Sunnymead 7 1/2' quad shows ''Moreno'' BM 2067 at top of hill). 579 Comment
  RSA778111  Atrichoseris platyphylla Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 925 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 335 Comment
  UCR148298  Atrichoseris platyphylla 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
  SEINET3930040  Atriplex argentea var. mohavensis Steve Boyd 1986-4-19 1721 Riverside temescal Canyon: warm Springs Valley. Alkali flats along Alberhill Creek drainage E of Nichols Rd.; 0 Comment
  RSA452378  Atriplex canescens Ora M. Clark 1929-3-17 1744 Riverside N. La Quinta, Colorado Desert. Comment
  RSA763548  Atriplex canescens Doris Hoover Bowers 1967-12-26 204 Riverside Durhams Siding E. side of Salton Sea -3 Comment
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Jun 16 2013
  SD229126  Atriplex canescens Dick Schwenkmeyer 2012-11-6 876 Riverside West fork of Palm Canyon, Agua Caliente Indian Reservation, 4.7 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 227 Comment
  SEINET4208628  Atriplex canescens Howard C. Stutz 1980-11-24 8892 Riverside 15 mi. N of Indio.; 0 Comment
  UC527696  Atriplex canescens C. B. Wolf 1931-10-14 2462 Riverside roadside at Cabezon (San Gorgonio Pass); , Cabezon 518 Comment
  CAS-BOT-BC170213  Atriplex canescens subsp. canescens Lewis S. Rose 1935-12-19 35670 Riverside Palm Springs - Colorado Desert 138 Comment
  CAS-BOT-BC170214  Atriplex canescens subsp. canescens C. B. Wolf 1931-10-14 2462 Riverside Cabezon, San Gorgonio Pass 518 Comment
  CAS-BOT-BC170227  Atriplex canescens subsp. linearis Nancy Ryan Zabriskie; Walter Zabriskie 1970-10-31 324 Riverside Andreas Canyon Club property, Palm Canyon watershed, east slope San Jacinto Mts. 167 Comment
  JEPS59546  Atriplex canescens subsp. linearis Mary Beal 1939-10-25 710 Riverside Palm Springs area , Palm Springs area (Mojave Desert) Comment
  SBBG34725  Atriplex canescens var. canescens T. L. Secrest 1950-3-12 Riverside near Indio Comment
  POM184644  Atriplex canescens var. laciniata L. C. Wheeler 1931-11-27 379 Riverside 2 miles SE of Salton Bench Mark. -76 Comment
  UCR256950  Atriplex canescens var. laciniata Duncan S. Bell 2012-4-5 3306 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; c. 6.75 air miles directly north of Hell 137 Comment
  HSC4322  Atriplex canescens var. linearis L. S. Rose 1966-12-11 66096 Riverside Palm Springs 152 Comment
  SD134476  Atriplex coronata var. notatior Craig Reiser 1991-4-30 Riverside East of Pico near Lake Perris, south of Ramona Expressway (see map) Comment
  UCR123695  Atriplex coronata var. notatior D. E. Bramlet 2000-5-18 3053 Riverside 122 m west of the San Jacinto River and 2 km north of Nuevo Road, 229 m northwest of the end of 12th St. 431 Comment
  SD243119  Atriplex glauca R. E. Riefner Jr. 2002-12-12 02 521 Riverside Peninsular Range; Temescal Canyon Mouth; city of Corona, along Magnolia Ave. off-ramp on southwest side of Hwy 1-15 (Corona South 7.5'Q) 216 Comment
  CAS-BOT-BC170259  Atriplex hymenelytra Roxana S. Ferris 1918-6-14 987 Riverside At Shavers Well, Box Canyon in Chocolate Mts. Comment
  POM278761  Atriplex lentiformis Grant D. Brown 1949-12-15 480 Riverside Mecca Comment
  CAS-BOT-BC170068  Atriplex parishii D. Bramlet 1993-7-2 2360 Riverside The site is approximately 6.9 km southwest of Hemet, at the end of California Ave. and some 0.85 km. north of Setson. The population is located 150-500 m. east of California and 335 m., west of the MWD canal. 457 Comment
  CLARK-A1528-399  Atriplex patula subsp. hastata John C. Roos, Lucille Roos 1951-10-24 5339 Riverside Pedley 228 Comment
  RSA780958  Atriplex polycarpa Stephanie Rockwood, Christi Gabriel 2011-10-19 134 Riverside I95 Pulloff about 6 miles from Blythe Itaglios Marker. Boundary of Indian Reservation land. Desert Conservation Area. 99 Comment
  SBBG72571  Atriplex polycarpa M. D. Clary -Oct-1929 1156 Riverside Coachella Valley -13 Comment
  UCD97657  Atriplex rosea D. E. Bramlet; D. J. Bradney 1989-7-3 1930 Riverside Perris-Aguanga Basin region; Diamond Valley, just north and east of Searl ranch buildings. 482 Comment
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Aug 18 2018
  UCR201872  Atriplex triangularis Justin M. Wood 2008-9-22 145 Riverside SW Perris Basin, Temecula/Murrieta Creek, downstream of 1st Street bridge 305 Comment
  RSA495444  Avena barbata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2972 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  RSA0067890  Avena barbata Starr Streight 1982-4-17 20 Riverside Cajalco Road, 0.7 miles east of I-15; South of Corona. Comment
  RSA0104698  Ayenia compacta Duncan S. Bell, Sarah DeGroot, Cheryl Sevilla 2015-3-5 7759 Riverside Chuckwalla Mountains; a side canyon off of Irish Wash, approximately 1.5 air miles southwest of Aztec Well. 696 Comment
  RSA426791  Ayenia compacta Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  UC667326  Ayenia compacta Annie M. Alexander and Louise Kellogg 1941-5-26 2236 Riverside Monsen Canyon Eagle Nountains 822 Comment
  IRVC525  Baccharis glutinosa R. H. Whittaker, W. A. Niering 1963-6-11 SJ 373 Riverside Santa Rosa Rd., slope W-5 degree draw, mostly sandy soil, occasional boulders. Santa Rosa Mountains 1601 Comment
  CAS-BOT-BC106703  Baccharis salicifolia C. L. Hitchcock 1940-4-12 6048 Riverside 8 mi. northwest of Elsinore 457 Comment
  HSC92879  Baccharis salicifolia Scott D. White 1996-4-14 3904 Riverside E of Hemet, San Jacinto River Wash near Valle Vista, N of Hwy. 74, 1.7 mi. W of USFS Cranston Fire Station 534 Comment
  RSA594790  Baccharis salicifolia Darin L. Banks, Dylan Hannon 1996-5-3 0986 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Along a mesic E facing slope, approximately 300 m SE of the Helipad at the upper camp sites 534 Comment
  SD224825  Baccharis salicifolia A. C. Sanders, S. Hawkins, J. Goetzen & D. Freeman 1996-5-1 18109 Riverside San Bernadino Mtns.: Morongo Indian Reservation, vicinity of natural pond & bog at SE edge of Burro Flats. 1096 Comment
  SD229074  Baccharis salicifolia Dick Schwenkmeyer 2012-11-6 880 Riverside West fork of Palm Canyon, Agua Caliente Indian Reservation, 4.7 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 227 Comment
  UCR19494  Baccharis salicina John C. Roos 1965-10-6 s.n. Riverside Santa Ana River at Pedley 201 Comment
  CAS-BOT-BC99877  Baccharis sergiloides G. B. Grant 1906-5-1 s.n. Riverside Palm Springs, Colorado Desert Comment
  RSA178643  Baccharis sergiloides C. B. Wolf 1932-10-12 4298 Riverside Above Pinyon Well, Little San Bernardino Mts. 1220 Comment
  SD40771  Baccharis sergiloides Carl B. Wolf 1932-10-11 1594 Riverside Morongo Wash, 0.3 mile below San Bernardino County Line, Colorado Desert 669 Comment
  SEINET899352  Baccharis sergiloides C. B. Wolf 1932-1 4270 Riverside Colorado Desert. Little San Bernardino Mts. Morongo Wash, 3/10 mi. below San Bernardino Co. line 671 Comment
  UC893735  Baccharis sergiloides Carl B. Wolf 1932-10-13 4310 Riverside Cottonwood Springs Colorado Desert, Eagle Mts. 289 Comment
  SD186334  Bacopa monnieri G. R. Ballmer 2003-11-22 Riverside Colorado River Valley: Northern Paloverde Valley, east of Hwy 95, ca. 5 miles NE of Blythe, east snd of 2nd Ave., shore of river 86 Comment
  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
  JOTR32491  Bahiopsis parishii Herskovits, Tasya, M. Harding 2011-5-20 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; Ryan Mountain; Rocky slopes bordering Ryan Mountain Trail (Stop 1) 1428 Comment
  SD229076  Bahiopsis parishii Dick Schwenkmeyer 2012-5-22 714 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  CHSC46064  Baileya multiradiata Troy Griffiths 1988-4-1 100 Riverside Vic. of Living Desert Reserve, ca. 3 mi SE of Palm Desert. 60 Comment
  CAS-BOT-BC99957  Baileya pauciradiata L. A. Greata 1905-4-1 425 Riverside Coachella Comment
  SEINET2055760 Image available Baileya pleniradiata George K. Helmkamp, E. A. Helmkamp 2001-9-16 7174 Riverside Willcox Playa, east edge: Blue Sky Road 0.2 mil northeast of AZ-186 (siuthest of Willcox} 1295 Comment
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May 3 2014
  SBBG60788  Bebbia juncea M. N. Ackley 1928-3-31 234 Riverside Hidden Spring Cyn 182 Comment
  CAS-BOT-BC100122  Bebbia juncea var. aspera Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2151 Riverside N. end Palen Mtns, 2 mi west of Palen Pass 300 Comment
  JOTR31821  Bebbia juncea var. aspera La Doux, Tasha, Bill Truesdell 2007-11-9 2524 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park; small side canyon to east of larger wash running parallel to and east of Lost Palms Canyon (Stop 6) 655 Comment
  RSA604715  Bebbia juncea var. aspera L. C. Wheeler 1961-10-8 7932 Riverside Temescal Valley: First big wash E of avocado mesa E of Wright Ranch. Comment
  UC68961  Bebbia juncea var. aspera H. M. Hall 1905-4-1 5817 Riverside 10 mo w of Coachella (Colorado Desert); Colorado Desert 152 Comment
  UCD129541  Bebbia juncea var. aspera BLK Date Unknown s.n. Riverside Exact location unknown. Comment
  RSA676127  Beloperone californica Scott D. White 2001-4-12 8297 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
  RSA452617  Berberis Anstruther Davidson 1920-5-1 s.n. Riverside Ivy Canyon, Temescal. Comment
  POM17943  Berberis dictyota P. A. Munz 1923-6-14 7114 Riverside Trail from Glen Ivy to Santiago Peak Comment
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Oct 22 2011
  CAS-BOT-BC75736  Berberis nevinii Steve Boyd; Tim Ross; Laurel Arnseth 1990-3-29 3908 Riverside Vail Lake area, summit of 'Big' Oak Mountain, north of lake. 822 Comment
  SEINET9232654 Image available Bernardia incana C. W. Tilforth, Wisura, W. 1979-1 1906 Riverside Big Horn Sheep Overlook along Hwy 74 above Deep Canyon, S of Palm Desert Comment
  UCR59809  Berula erecta Jeri Hirshberg 1989-7-25 s.n. Riverside Peninsular Range, Butterfield Country, SW of Vail Lake Comment
  RSA319720  Bidens laevis Charlotte M. Wilder 1970-10-15 4808 Riverside Prado Dam in Prado Flood Control Basin on edge of river bordering old roadbed E of dam. 122 Comment
  SDSU17533  Bidens pilosa Jerry Jenkins 2001-4-2 2001 -050 Riverside Santa Margarita Ecological Reserve. West of Santa Margarita River, UTM zone 6, 481750E, 3699500N. UTM transfered to GIS. Comment
  RSA619551  Bloomeria crocea Darin L. Banks 1997-5-5 1999 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
  RSA367332  Bloomeria crocea var. crocea N. C. Cooper 1944-7-16 1542 Riverside At trailside. San Jacinto Mt. above Pine Cove 2072 Comment
  RSA482668  Boechera californica T. H. Holmes 1932-3-27 s.n. Riverside Millard Canyon Comment
  UCSB26857  Boechera californica Gerhart, Janet 1963-5-3 Riverside 8.5 miles north of Lake Fulmor Picnic area on Banning-Idyllwild road 1219 Comment
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Mar 14 2014
  UCR18393  Boerhavia coccinea A. C. Sanders, J. Zabriskie 1979-8-18 0849 Riverside Sonoran (Colorado) Desert, slopes of Santa Rosa Mountains, on Hwy 74. 488 Comment
  UCR278875  Boerhavia coccinea Mitch Provance 2012-7-17 712- 15 Riverside San Gorgonio Pass, City of Banning, along E. Lincoln St., vicinity of the Banning Substation, between Hargrave St. and San Gorgonio Ave. 698 Comment
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Nov 8 2020
  CAS-BOT-BC434535  Boerhavia triquetra J. C. Roos 1965-9-26 s.n. Riverside Santa Rosa Mtns., above Palm Desert. 701 Comment
  JOTR30679  Boerhavia triquetra Andre, Jim, Tasha La Doux 2008-9-13 10264 Riverside Joshua Tree National Park. Chuckwalla Valley, along Hwy 177 (northwest side), southeast end of Coxcomb Mountains. East boundary of Joshua Tree National Park. 160 Comment
  JOTR32420  Boerhavia wrightii Harding, Mitzi, T. Herskovits, D. Shade 2011-8-11 9 Riverside Joshua Tree National Park. Queen Mountains; Intersection of Park Blvd. and Pinto Basin road; Small rocky hills and surrounding drainages 1112 Comment
  POM259506  Boerhavia wrightii E. C. Jaeger 1939-12-1 s.n. Riverside Orocopia Mountains 366 Comment
  UCR89882  Bolboschoenus maritimus subsp. paludosus J. M. Stewart 1991-5-15 789 Riverside Sonoran (Colorado) Desert, Coachella Valley, Dos Palmas Oasis [Rancho Dos Palmas, Nature Conservancy preserve headquarters], North Shore -37 Comment
  CLARK-A1528-1266  Bothriochloa barbinodis E. W. Lathrop 1965-4-26 Riverside Comment
  IRVC27684  Bothriochloa barbinodis A. C. Sanders, O. F. Clarke, P. J. MacKay, S. D. White, C. L. Sanders 1994-11-27 15871 Riverside Palm Canyon, from Hermit's Bench upstream to just beyond the confluence with East Fork. San Jacinto Mtns/Colorado Desert 256 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
  RSA517242  Bouteloua barbata T. S. Elias 1986-2-18 1329 Riverside Mecca Hills, Colorado Desert: Box Canyon, along Highway 195. Comment
  RSA0087454  Bouteloua barbata var. barbata Sarah J. De Groot, Amy Rouillard 2015-9-15 7567 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 107 Comment
  UCR2194  Bouteloua curtipendula F. M. Reed 1933-5-31 10014 Riverside Santa Rosa Mtns., Santa Rosa Indian Reservation, near the bridge on the Palms to Pines Road [Vandeventer Flats] 1372 Comment
  UCR265476  Bouteloua curtipendula Jordan Zylstra 2014-8-17 14027 Riverside Santa Rosa Mountains, vicinity of Pinyon Flat and head of Cactus Springs Trail, south of Hwy 74 1280 Comment
  JOTR31888  Brandegea bigelovii La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2138 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Rockhouse Canyon; steep-walled canyon and sandy wash along an old road Comment
  RSA4956  Brandegea bigelovii C. B. Wolf 1932-4-27 3042 Riverside Colorado desert, 3/4 mile west of Utopia on Mecca-Blythe road 152 Comment
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Dec 11 2011
  RSA608173  Brandegea bigelovii Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10059 Riverside Sonoran (Colorado) Desert Chuckwalla Mtns, NW base of the range, south of Eagle Mine Rd exit on Hwy I-10. 426 Comment
  SD247409  Brandegea bigelovii T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7311 Riverside Sonoran (Colorado) Desert: south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road, c. 1.4 km west of its juction with Augustine Pass Road (East of Aztec Mines 7.5'Q) 136 Comment
  UCR148303  Brandegea bigelovii 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
  RSA0123356  Brassica tournefortii Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9048 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  RSA278954  Brassica tournefortii B. A. Prigge, L. Martinez 1978-3-23 2397 Riverside NW Colorado Desert, Coachella Valley, 1.7 miles W of North Palm Springs on Dillon Road 274 Comment
  RSA771764  Brassica tournefortii Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4620 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR130125  Brassica tournefortii Scott D. White 2001-4-3 8237 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
  UCR83329  Brassica tournefortii A. C. Sanders 1994-5-15 14491 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the E bank of the Santa Ana River 400 Comment
  JOTR01239  Brickellia arguta var. arguta Cole, James E. 1942-5-19 959 Riverside Joshua Tree National Park. RUBY LEE WASH 914 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
  RSA609528  Brickellia desertorum L. C. Wheeler 1952-10-30 6380 Riverside Citrus Experiment Station ( = the present University of California, Riverside). Comment
  RSA700108  Brickellia desertorum Virginia Moran 2003-9-1 s.n. Riverside Wilson Valley Mitigation Bank, managed by the Center for Natural Lands Management: Section 33 of two that comprise mitigation bank. (Section 27 & 33). Accessed from Wilson Valley Road. Comment
  RSA234087  Brodiaea filifolia Robert F. Thorne, E. Lathrop 1969-6-6 39323 Riverside Rancho, Mesa de Colorado 625 Comment
  RSA729801  Brodiaea filifolia Robert F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 52007 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  UCR48380  Brodiaea jolonensis Steve Boyd 1986-5-7 1836 Riverside Peninsular Range, Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, south of Hwy I-15 366 Comment
  UCR202578  Brodiaea terrestris subsp. kernensis Scott D. White, Justin M. Wood 2008-7-8 12391 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  RSA570549  Bromus arenarius Steve Boyd, Chris Frazier 1993-4-24 8008 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck rd. 792 Comment
  UCR20626  Bromus carinatus John C. Roos, L. Roos 1954-5-29 6122 Riverside Canyon 1 mi SE of summit of Reche Canyon 686 Comment
  UCR213898  Bromus carinatus Scott D. White, Justin Wood 2009-5-22 12896 Riverside San Jacinto Mountains, Quinn Flat Meadow 1396 Comment
  UCR35299  Bromus carinatus L. B. Ziegler 1968-5-21 296 Riverside San Jacinto Mtns., Hemet Valley (=Garner Valley) 1418 Comment
  UCR193875  Bromus grandis A. C. Sanders, Mitch Provance 2008-7-11 35795 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
  POM7101  Bromus rubens P. A. Munz, L. T. Street, G. Williams 1919-3-28 2365 Riverside Cabazon. Comment
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Mar 13 2011
  SEINET4138035 Image available Bromus rubens A. C. Sanders, John F. Green 2012-4-6 40008 Riverside Peninsular Range; Santa Ana Mtns. Area: Temescal Canyon, near Campbell Ranch Rd. and I-15 Fwy, 10 miles S of Corona 323 Comment
  UCR174303  Bromus rubens A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32655 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  POM363962  Bromus rubens Ora M. Clark 1929-2-23 1554 Riverside North Whitewater., [Locality: 35?55'30N 116?38'15W] Comment
  RSA771123  Bromus tectorum Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5004 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.00456, W116.67238 and N33.99629 and W116.66013 750 Comment
  UCR174326  Bromus tectorum A. C. Sanders, T. B. Salvato 2006-6-2 33089 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UCR85641  Bromus tectorum A. C. Sanders 1993-4-5 13689 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
  RSA452173  Bursera microphylla Marjorie D. Clary 1939-03 2963 Riverside Martinez Canyon, Colorado Desert, Coachella Valley., [Label states: Martinez Canyon, Colorado Desert, Coachella Valley, Imperial County. Note: Martinez Cyn. is in Riverside Co., east slope Santa Rosa Mtns., ca. 33.5 deg. N, 116 deg. 10 W. -S.D. White Oct 2006] Comment
  RSA405298  Caesalpinia virgata N. R. Zabriskie 1973-2-7 561 Riverside West facing side, dry stream bed SE of Pack Rat Hill, Deep Canyon Drainage, N slope Santa Rosa Mtns 305 Comment
  RSA48454  Caesalpinia virgata P. A. Munz, D. D. Keck 1925-3-7 9350 Riverside Painted Canyon, Mecca. Comment
  RSA777724  Caesalpinia virgata Jim Andre, G. L. Clifton 2011-2-22 17426 Riverside Mecca Hills; along Box Canyon Road, 8.5 miles NE of town of Mecca 171 Comment
  UCR158328  Calandrinia ciliata A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30070 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
  UCR118659  Callisia repens A. C. Sanders 2001-11-20 24886 Riverside San Bernardino Valley Region, Riverside, yard of house at 422 Campus View Dr. 341 Comment
  UC520287  Calocedrus decurrens Carl Epling 1931-10-3 Riverside Strawberry Valley San Jacinto Mts., Strawberry Valley 1524 Comment
  UCSB626  Calochortus invenustus Wilson, Richard 1958-5-18 Riverside At Pinon Flats on State Highway Comment
  JEPS61706  Calochortus palmeri W. L. Jepson 1901-5-27 1462 Riverside Van Deventer's Ranch San Jacinto Range Comment
  RSA297994  Calochortus palmeri var. munzii H. M. Beard, R. S. Beard 1967-7-1 s.n. Riverside Vacant lot, Idyllwild, Alderwood and Pine Crest Roads. 1646 Comment
  UCR52585  Calochortus palmeri var. munzii Kathy Harper 1988-5-14 s.n. Riverside Peninsular Range, San Jacinto Mtns, Hwy 74 between Alpine Village and the Vista Point at Seven Level Hill Comment
  JEPS61723  Calochortus splendens W. L. Jepson 1901-5-17 1228 Riverside Riverside 266 Comment
  RSA525421  Calochortus splendens Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4529 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at junction of Highway R3 and Powerline Road, NE of the lake. Comment
  SDSU11909  Calochortus splendens H. Wedberg 1962-5-23 939 Riverside 4.8 miles from Hwy 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
  RSA360017  Calochortus weedii Gale Sphon 1955-6-23 s.n. Riverside Horsethief Canyon, Elsinore Mountains. Comment
  SEINET12045038  Calochortus weedii C. B. Wolf 1941-1 10899 Riverside Santa Ana Mts. Ortega Hwy, 0.3 mi E of its summit 762 Comment
  POM256722  Calochortus weedii var. intermedius W. Pequegnat 1940-6-18 s.n. Riverside Sierra Peak, Santa Ana Mountains. Comment
  UCR48370  Calycadenia tenella Steve Boyd 1986-5-7 1826 Riverside Temescal Canyon, Alberhill Mountain: lower slopes of S flank just east of clay mine area 427 Comment
  SD45165  Calycoseris parryi Helen K. Sharsmith 1952-4-10 4060 Riverside 5.0 miles northeast of Cottonwood Springs, Joshua Tree National Monument. 854 Comment
  UC1401319  Calycoseris parryi D. B. Dunn 1948-3-14 3776 Riverside near Hidden Springs Ranch (3 mi s of the Indio Hills); Colorado Desert Comment
  SD140209  Calycoseris wrightii A. C. Sanders, E. J. Lawlor 1992-4-4 12114 Riverside McCoy Mountains. Within 1/2 mile of McCoy Spring; alluvial slopes below and to the south and canyon bottom above the spring. 244 Comment
  SEINET7063457  Calyptridium monandrum A. G. Vestal 1947-3-30 s.n. Riverside About 3.8 miles east of Sage on East Benton Road. Tucalota Valley. UTM Zone 11, 502421mE, 3715161mN. (WGS84/NAD83). 565 Comment
  UC667361  Calyptridium monandrum Annie M. Alexander and Louise Kellogg 1941-5-12 2157 Riverside 5.5 mi ne of Cottonwood Spring (Colorado Desert, Eagle Mountains); Colorado Desert, Eagle Mountains 868 Comment
  RSA527865  Calyptridium parryi Scott D. White 1991-5-24 91 -75 Riverside San Jacinto Mtns region: Big Bear area E of Sugarloaf & W of Hwy 38, S of Hwy 18 & Baldwin Lake. 2073 Comment
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Aug 3 2017
  RSA719788  Calyptridium parryi var. parryi Naomi Fraga, John McDonald, Michael Wall 2006-11-16 1875 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  UCR20549  Calystegia fulcrata W. W. Mayhew 1977-7-5 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1835 Comment
  RSA394935  Calystegia longipes Charles C. Herbst 1934-3-11 s.n. Riverside San Jacinto Mtns. Comment
  UCR167819  Calystegia macrostegia John F. Green 2005-3-16 s.n. Riverside Perris-Aguanga Basin, Cajalco Canyon, SE of Corona, SW of Lake Mathews, east of Calif. highway 71; Collections made while monitoring pipeline repair 366 Comment
  UCR172759  Calystegia macrostegia Abby Sirulnik, Ian G. Gillespie 2000-5-14 48 Riverside Peninsular Ranges; Santa Ana Mtn. Foothills, Temescal Canyon. Indian Truck Road exit off of Interstate 15, c. 0.9 mi. S on De Palma Road 427 Comment
  UCD126084  Calystegia macrostegia subsp. arida C. L. Hitchcock; C. V. Muhlick 1962-3-16 22155 Riverside Temescal Canyon, ca. 12 miles southeast of Corona. Comment
  RSA543734  Calystegia macrostegia subsp. intermedia Steve Boyd, Timothy S. Ross, Mike Hammitt, Bob Boyd 1991-5-2 6069 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
  RSA394917  Calystegia macrostegia subsp. tenuifolia M. V. Hood 1945-3-26 s.n. Riverside Cottonwood Creek, Aguanga. Comment
  POM12229  Calystegia occidentalis subsp. fulcrata Mary F. Spencer 1921-7-7 1866 Riverside Idyllwild. 1616 Comment
  SEINET4680874  Camissonia bistorta R. L. Piemeisel 1913-4-16 3434 Riverside Bottom of Rubidoux Mt.; 0 305 Comment
  SEINET7073435  Camissonia bistorta A. G. Vestal 1963-4-25 s.n. Riverside About 6.8 miles south of Sage on Route 3. Coordinate datum: NAD27. Comment
  UCR167676  Camissonia bistorta T. B. Salvato, Melissa Clemons 2005-6-23 1293 Riverside Peninsular Range; Temescal Valley, Walker Canyon, 1.5 mi due east of Alberhill, N of Hwy I-15 412 Comment
  CLARK-A1656-663  Camissonia cardiophylla Lois Ann Scott 1978-12-1 Riverside San Jacinto Mountains 152 Comment
  UCR112099  Camissonia cardiophylla A. C. Sanders, T. B. Salvato 2000-4-27 23379 Riverside Coachella Valley, east side of Coachella Canal near the foot of the Mecca Hills, vicinity of the east end of Ave 60 15 Comment
  SEINET12806728  Camissonia cardiophylla subsp. cardiophylla Chris Dietrich, M. Merello & H. Schmidt 1994-1 22 Riverside 9 miles north-northwest of Indio, off 9 Dillon Road 1.9 miles northeast on Berdoo Canyon Road, BLM land, Desert Access Guide Map #17 358 Comment
  HSC66564  Camissonia claviformis Christopher Davidson, H. Surprenant, A. P. Romspert 1979-4-29 7817 Riverside W of Indio, 3 mi. E of Date Palm Dr. 15 Comment
  UCR249518  Camissonia claviformis T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7283 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  POM126250  Camissonia claviformis subsp. aurantiaca Thomas Craig 1927-2-6 37 Riverside Canyon near Hidden Springs, Colorado Desert. Comment
  POM67088  Camissonia claviformis subsp. aurantiaca Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA448923  Camissonia claviformis subsp. aurantiaca F. R. Fosberg 1932-3-13 8096 Riverside Thousand Palm Canyon, Coachella Valley Comment
  RSA448930  Camissonia claviformis subsp. aurantiaca M. B. Dunkle 1932-3-25 2897 Riverside Near Cathedral Canyon 152 Comment
  SDSU3354  Camissonia confusa H. Wedberg 1958-5-17 302 Riverside About 7.4 miles from railroad station at Banning on road to Idyllwild. Comment
  UCR115341  Camissonia confusa A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16260 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
  UCR108826  Camissonia hirtella Heidi A. Haid 1969-3 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 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
  POM6638  Camissonia ignota P. A. Munz 1918-4-27 2162 Riverside Near Corona. Comment
  UCR102931  Camissonia pallida George K. Helmkamp 1998-4-3 3064 Riverside Sonoran (Colorado) Desert, Whitewater River, bordering the north side of Hwy I-10; E side of the river 396 Comment
  RSA775566  Camissonia pallida subsp. pallida Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-5-16 1253 Riverside Haugen Lehmann off I-10, Pacific Crest Trail (PCT) in canyon directly W. of Whitewater. 675 Comment
  RSA449047  Camissonia refracta E. C. Jaeger 1922-3-26 s.n. Riverside Box Canon near Mecca, Cal. Colorado Desert. Comment
  RSA676263  Camissonia refracta Scott D. White 2001-4-3 8242 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  UCR214421  Camissonia refracta A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37490 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  RSA793019  Camissonia strigulosa Justin M. Wood 2011-4-4 3407 Riverside San Bernardino Mountains Foothills: San Gorgonio River wash, off of Bluff Street, just east of Banning Bench. 881 Comment
  UC1537618  Camissoniopsis bistorta Gordon H. True Jr. 1935-2-20 1 Riverside Box Springs Sycamore Canyon (mouth of canyon) 365 Comment
  UC56468  Camissoniopsis bistorta H. M. Hall April, 1902 2918 Riverside Vicinity of Winchester 457 Comment
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Mar 20 2011
  RSA0105835  Carduus pycnocephalus Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  UC729830  Carex multicostata Carl B. Wolf 1932-8-5 3947 Riverside along trail from Tahquitz Valley to San Jacinto Peak; San Jacinto Mts. 2621 Comment
  POM10385  Carex praegracilis F. M. Reed 1906-4-29 945 Riverside Riverside: Santa Ana River bottom near Rubidoux Ave. Comment
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Mar 10 2011
  POM1479  Carex praegracilis I. M. Johnston 1918-4-27 1860 Riverside Murrieta. 305 Comment
  CAS-BOT-BC117450  Carex senta D. E. Breedlove 1961-7-29 873 Riverside Fuller Mill Creek where it crosses Riverside Hwy #1. San Jacinto Mountains. 1645 Comment
  SEINET11249257  Carex spissa Steven R. Hill, Andrew C. Sanders 2001-1 Riverside Comment
  POM14080  Castela emoryi Philip A. Munz, D. D. Keck 1922-4-14 4993 Riverside 'Hayfields', Chuckwalla Valley 152 Comment
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Apr 22 2011
  UCR103990  Castilleja exserta George K. Helmkamp 1998-4-3 3093 Riverside Coachella Valley, Mission Creek, the Wildlands Conservancy Preserve, 1.1 mi. NW of the ranch house beside a gauging staion along the creek 747 Comment
  UCSB45534  Castilleja exserta subsp. exserta Roos, John 1941-4-19 Riverside Reche Canyon - "Plateau" Comment
  CLARK-A1528-4176  Castilleja foliolosa E. W. Lathrop 1966-3-2 Riverside 853 Comment
  RSA192318  Castilleja foliolosa E. W. Lathrop 1966-3-2 6050 Riverside 12 miles NW of Murrieta, Skyline Drive Road at junction of Wildomar and Los Alamos truck trails 878 Comment
  RSA752548  Castilleja foliolosa Justin M. Wood 2009-3-10 349 Riverside Twin Pines Rd, near entrance to Twin Pines Ranch. 695 Comment
  RSA757618  Castilleja foliolosa LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4340 Riverside From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  UCR245900  Castilleja foliolosa R. F. Thorne 1995-3-29 63006 Riverside Transverse Range; San Bernardino Mtns., Whitewater Canyon 600 Comment
  RSA526169  Castilleja minor subsp. spiralis Steve D. Boyd, Tim S. Ross 1990-5-11 4672 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  RSA0010917  Castilleja minor subsp. spiralis Mary F. Spencer 1923-1 2262 Riverside Idyllwild 1037 Comment
  HSC83100  Caulanthus cooperi A. C. Sanders, Pitzer, Charlton, Kniffen, Stewart 1986-3-2 6052 Riverside Chuckwalla Bench, S side of Chuckwalla Mtns., on Bradshaw Rd., 2 mi. E of gasline road 642 Comment
  RSA295278  Caulanthus hallii R. S. Woglum 1937-5-22 584 Riverside Santa Rosa Mountains, near Santa Rosa Indian Reservation. Comment
  UCD114553  Caulanthus heterophyllus A. C. Sanders; Steven R. Hill 2001-5-4 24134 Riverside Santa Ana Mountains region: W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Road at Avenida del Oro (to Sandia Crk. Dr.), E side of Rancho C. Road. 148 Comment
  UCR120659  Caulanthus heterophyllus D. E. Bramlet, P. Jacks, S. Goode 1989-4-6 1798 Riverside Perris-Aguanga Basin Region, Lake Skinner, north of the lake on the SE-facing slope of Bachelor Mountain. Transect L-9 482 Comment
  UCR281782  Caulanthus heterophyllus Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-4-5 417- 107 Riverside Temescal Valley, Foothills of the Gavilan Range, ridge +- 0.5 miles NNW of Lake St. and Walker Canyon Rd. 543 Comment
  UCR60251  Caulanthus heterophyllus Steve Boyd, L. Arnseth, T. S. Ross 1989-4-1 3165 Riverside Peninsular Range, Vail Lake area; hills just to SW of the dam 488 Comment
  SEINET8479414 Image available Ceanothus Unknown 1971-1 Riverside Along wash in mountains before going down into desert valley. Comment
  SD29582  Ceanothus cordulatus D. F. Howe 1941-6-8 1106 Riverside Strawberry Creek, San Jacinto Mts. Comment
  CDA31121  Ceanothus crassifolius Mike Lahti 2010-3-8 PDR# 1501966 Riverside Murrieta: at Jo-Dan Farms on Pabesu Road near Greer Road. 0 Comment
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Aug 11 2012
  POM184169  Ceanothus crassifolius P. A. Munz 1932-3-24 12028 Riverside Base of mts. south of Elsinore Lake. 366 Comment
  RSA606771  Ceanothus crassifolius Jon E. Keeley 1996-5-5 27350 Riverside Chaparral S of Hwy 79 on Woodchuck Rd., E of Temecula. 183 Comment
  POM280875  Ceanothus cuneatus Henry J. Ramsey, Henry J. Ramsey 1940-3-15 s.n. Riverside Aguanga. (north of Riverside Co.) Comment
  RSA399039  Ceanothus cuneatus M. V. Hood 1945-3-25 s.n. Riverside Aguanga. 588 Comment
  RSA575061  Ceanothus cuneatus Steve Boyd 1981-3-4 810304 -F 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
  SEINET3836781 Image available Ceanothus cuneatus I. W. Clokey, E. C. Anderson 1935-4-16 6733 Riverside East of Hemet 560 Comment
  CAS-BOT-BC83811  Ceanothus cuneatus var. cuneatus D. O. Burge 2008-4-27 982 b Riverside Tucalota Creek watershed, roadside on Sage Road (County Road R3) 730 Comment
  SEINET10847981  Ceanothus cuneatus var. cuneatus Andrew Townesmith, Karen M. Meyer; Tracy Scott 2007-3-17 Townesmith 692 Riverside San Bernardino National Forest, San Jacinto Ranger District. 0.9 miles NE of route 74 on Apple Canyon Road. T6S R3E S3 San Bernardino meridian. 1358 Comment
  SD229243  Ceanothus greggii var. perplexans Dick Schwenkmeyer 2012-8-6 767 Riverside Garnet Queen Mine on Santa Rosa Mountain road, 4.1 miles southeast of the intersection of highway 74 and Santa Rosa Mountain Road. 1834 Comment
  CLARK-A1528-3895  Ceanothus leucodermis John C. Roos 1952-4-23 5574 Riverside Highgrove Comment
  POM48313  Ceanothus leucodermis E. C. Jaeger 1925-3-1 s.n. Riverside Snow Canyon, San Jacinto Mts. 457 Comment
  UC218073  Ceanothus leucodermis P. A. Munz and I. M. Johnston 1922-5-19 5401 Riverside Mountain side at mouth of Strawberry Canyon San Jacinto Canyon 1127 Comment
  UCR13726  Ceanothus leucodermis R. S. Woglum 1941-6-12 3053 Ab Riverside San Jacinto Mtns., Idyllwild 1524 Comment
  RSA398912  Ceanothus oliganthus Anstruther Davidson 1921-4-1 3406 Riverside Banning. Comment
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Mar 27 2011
  SEINET11192040  Ceanothus oliganthus subsp. oliganthus C. L. Schmidt 1995-3-25 1315 Riverside ca. 10 miles S of Hemet R3 (Sage Road) St. John's Canyon, close to McGee Hills. 610 Comment
  SBBG28516  Ceanothus palmeri N. C. Cooper 1944-6-17 1395 Riverside Pine Cove 1524 Comment
  UC774793  Ceanothus palmeri Carl B. Wolf 1941-8-12 11145 Riverside between Keen Camp P.O. and Hemet Valley (Keen Camp Summit); San Jacinto Mts. 1493 Comment
  CAS-BOT-BC51926  Ceanothus perplexans Edmund C. Jaeger 1922-6-12 s.n. Riverside East slope of San Jacinto Mts. on McMullen Trail 1219 Comment
  CAS-BOT-BC51931  Ceanothus perplexans C. B. Wolf 1931-5-11 1944 Riverside near Pipe Creek, above Hemet Valley, San Jacinto Mts. 1676 Comment
  UC1071378  Ceanothus spinosus A. Lewis May 1934 408 Riverside San Juan Canyon Cleveland National Forest, Elsinore Quadrangle Comment
  CDA1881  Cenchrus ciliaris D. Halsey 1978-2-1 s.n. Riverside Kapra Ranch, Indio. 0 Comment
  CAS-BOT-BC277181  Centaurea X pouzinii John Thomas Howell 1952-10-24 28864 Riverside Fuller Ranch near Corona Comment
  RSA16358  Centaurium venustum Carl B. Wolf 1935-6-18 7174 Riverside Santa Ana Mts, San Juan Canyon, near Ortega Hwy on road to Santiago Peak. 701 Comment
  RSA356643  Centaurium venustum Robert F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47297 Riverside Santa Rosa Plateau: Cleveland National Forest, along Tenaja Creek at Tenaja Guard Station. Comment
  RSA771880  Centaurium venustum Steve Boyd 2010-5-28 12286 Riverside Elsinore Peak, just south of Main Divide Road, eastern base of knoll south of peak 1021 Comment
  UCR154398  Centaurium venustum A. C. Sanders, Mike Misenhelter 2005-6-15 30952 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  UCR158130  Centaurium venustum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30099 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
  RSA689431  Centromadia pungens subsp. laevis R. E. Riefner 2003-5-27 03 -248 Riverside Back basin of Lake Elsinore, Malaga Rd near Mission Trail Rd. Comment
  UCR280603  Centromadia pungens subsp. laevis R. E. Riefner Jr. 2016-4-24 17- 198 Riverside city of Menifee, Paloma Wash, immediately north of Holland Road and west of Haun Road 445 Comment
  SEINET238938  Cercidium floridum A. C. Sanders, T. B. Salvato; Mitch Provance 2000-4-25 23368 Riverside Coachella Valley: east side of Coachella Canal between I-10 and Ave. 52 E of Coachella (Thermal Canyon 7.5' Q.) 24 Comment
  JEPS64764  Cercidium floridum subsp. floridum Marjorie D. Clary May, 1928 Riverside Coral Reef Ranch Colorado Desert, Coachella Comment
  UC1280946  Cercidium floridum subsp. floridum H. E. McMinn 1937-3-5 4494 Riverside 4 mi n highway <from> Mecca to Desert Center; Cottonwood Mts. Comment
  JEPS44705  Cercocarpus Carl V. Meyer 1929-1-5 689 Riverside Tahquitz Peak, near summit Tahquitz Peak Comment
  UC1719446  Cercocarpus betuloides var. macrourus D. Atwood 1993-3-26 17683 Riverside Santa Ana Mountains, 4.8 mi S of Lake Elsinore, along Hwy 74 807 Comment
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Nov 20 2007
  RSA192113  Cercocarpus minutiflorus E. W. Lathrop 1959-4-1 4386 Riverside 18 mi SW of Elsinore. Tenaja Canyon. Comment
  SD187337  Chaenactis artemisiifolia Scott D. White, Angelia Carey 2004-4-16 10151 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 548 Comment
  RSA93829  Chaenactis carphoclinia var. carphoclinia F. W. Peirson 1922-4-11 2858 Riverside Deep Canyon Wash, Coachella Valley 244 Comment
  OBI8304  Chaenactis fremontii David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-28 12069 Riverside Joshua Tree Natl Monument, along Pinto Basin Rd, 11 mi S of N park boundary Comment
  POM351693  Chaenactis fremontii Christopher Davidson 1973-4-1 1843 Riverside Along Hwy 74 on desert hillside facing Palm Desert. 488 Comment
  RSA0124032  Chaenactis fremontii Duncan S. Bell, LeRoy Gross 2016-3-10 8877 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
  SBBG7873  Chaenactis fremontii C. H. Muller 1952-4-6 9510 Riverside Pinto Basin, Joshua Tree Nat Monument Comment
  UC61701  Chaenactis fremontii L. D. Copeland 1904-4-30 Riverside West Canon Palm Springs, West Canon Comment
  UCSB9501  Chaenactis glabriuscula Newby, Ron 1959-5-16 Riverside 12 miles S. on highway to Idyllwild from Banning along roadside; in the San Jacinto Mts. Comment
  JEPS34147  Chaenactis glabriuscula var. glabriuscula W. L. Jepson 1914-5-25 6074 Riverside Banning Comment
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Mar 13 2011
  POM351764  Chaenactis glabriuscula var. glabriuscula Ora M. Clark 1929-3-16 1691 Riverside South of Cabazon, Colorado Desert. Comment
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Mar 13 2011
  RSA278317  Chaenactis glabriuscula var. glabriuscula C. W. Tilforth, B. Busenberg 1979-5-18 1800 Riverside Alo Hwgy 243, 3.5 miles south of Banning at turn-off to Mt. Edna. Comment
  UC74100  Chaenactis glabriuscula var. glabriuscula M. F. Gilman 1904-1-1 2 Riverside Banning Comment
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Mar 13 2011
  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
  RSA152488  Chaenactis macrantha Rimo Bacigalupi, L. R. Heckard 1953-5-4 4066 Riverside High desert slopes at base of the Cushenberry Grade, N base of San Bernardino Mtns. 1187 Comment
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Jun 30 2012
  RSA0029324  Chaenactis stevioides Justin M. Wood, J. Varonin, T. Valentovich 2012-4-23 4686 Riverside Sonoran Desert: Chuckwalla Valley, active sand dunes +/- 7.25 miles northeast of Desert Center, +/- 3.0 miles E of SR-177, and +/- 1.0 mile N of abandoned Jojoba farm. 149 Comment
  UC69077  Chaenactis stevioides H. M. Hall 1905-4-1 5935 Riverside McCoy Wash Colorado Desert, McCoy Wash 91 Comment
  UC69078  Chaenactis stevioides H. M. Hall 1905-4-23 5874 Riverside Chuckawalla bench Colorado Desert, Chuckawalla Comment
  UCR20633  Chaetopappa aurea W. W. Mayhew 1977-7-5 s.n. Riverside San Jacinto Mtns, 2 mi. west of Idyllwild 1494 Comment
  UC71990  Chamaesyce albomarginata Miss M. A. King 1893-1 Riverside Menifee Comment
  RSA180364  Chamaesyce polycarpa E. W. Lathrop 1960-5-27 5245 Riverside 6 miles west of Murrieta. Comment
  RSA781804  Chamaesyce polycarpa Duncan S. Bell 2010-5-1 s.n. Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  SBBG4028  Chamaesyce polycarpa H. and M. Dearing 1941-11-23 4774 Riverside near Cathedral City Comment
  SJSU4459  Chamaesyce polycarpa G. B. Youngberg 1956-3-27 179 Riverside hills near La Sierra College, Arlington 300 Comment
  RSA614498  Chamaesyce polycarpa var. polycarpa George K. Helmkamp, E. A. Helmkamp 1998-2-5 2664 Riverside Indio Hills, 3 mi. E of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  RSA627497  Chamaesyce prostrata L. C. Wheeler 1965-6-27 8691 Riverside Corona: Overboltzer's Grove. Comment
  POM6637  Cheilanthes parryi P. A. Munz, Street, Williams 1919-3-25 2325 Riverside Palm Canyon. 243 Comment
  UCSB38684  Cheilanthes parryi Cowan, Clark 1978-4-23 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon 570 Comment
  POM120427  Cheilanthes viscida W. G. Wright s.n. Riverside Whitewater Canyon Comment
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Apr 30 2011
  POM12527  Cheilanthes viscida Philip A. Munz 1922-3-12 4706 Riverside Andreas Canyon, Palm Springs. [Santa Rosa Mtns., W margin Colorado Des -SW] Comment
  RSA85538  Cheilanthes viscida F. W. Peirson 1922-12-27 4295 Riverside On rough mountain slope between two forks of Andreas Canyon, near Palm Springs 609 Comment
  RSA85545  Cheilanthes viscida F. W. Peirson 1921-3-22 2371 Riverside Murray Canyon, south side in canyon 457 Comment
  UC56772  Chenopodium album H. M. Hall 1902-8-6 2652 Riverside Vicinity of Riverside 457 Comment
  UCR115134  Chenopodium berlandieri var. zschackei Mitch Provance 2000-8-24 2218 Riverside Jurupa Mountains, NW extreme of the Jurupa Mountains, as accessed from Country Village Rd. 259 Comment
  UCR108834  Chenopodium botrys O. F. Clarke 1972-5-21 s.n. Riverside Riverside, Santa Ana River near Union Pacific Bridge 213 Comment
  NY990883  Chenopodium californicum S. D. Boyd 1990-3-30 3970 Riverside Vail Lake area, valley between Black Hills and Rocky Ridge. 701 Comment
  RSA700016  Chenopodium californicum Scott D. White, Michael Honer 2003-4-4 8934 Riverside Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  SD129245  Chenopodium fremontii G. K. Helmkamp 1989-10-7 79 Riverside San Jacinto Mountains. Depression beside Hwy 243 near Lawlor Lodge, about 2 miles N of Pine Cove. 1600 Comment
  UCR115126  Chenopodium missouriense Mitch Provance 2000-10-28 2283 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 290 Comment
  UCD84943  Chenopodium murale Chuck Hughes 2010-3-26 215 Riverside About 8.9 miles south of Highway 62. 328 Comment
  UCR256762  Chenopodium murale T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7886 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon 555 Comment
  UCR207249  Chenopodium pumilio O. F. Clarke 2004-5-21 s.n. Riverside Peninsular Range, Riverside; UCR Botanical Garden 412 Comment
  CLARK-A1656-889  Chilopsis linearis Jim Cornett 1977-6-25 Riverside Desert Hot Springs 411 Comment
  RSA356894  Chilopsis linearis R. F. Thorne 1966-10-15 41786 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Hwy. Comment
  RSA722345  Chilopsis linearis J. Russell Bruff 1931-4-25 458 Riverside Whitewater Wash 3 mi. west of Palm Springs. Comment
  UCR111993  Chilopsis linearis A. C. Sanders, T. B. Salvato 2000-4-27 23374 Riverside Coachella Valley, east side of Coachella Canal near the foot of the Mecca Hills, vicinity of the east end of Ave 60 15 Comment
  LA204150  Chilopsis linearis subsp. arcuata S. Atsatt; 1926-4-17 sn Riverside Palm Springs Comment
  SBBG68705  Chilopsis linearis subsp. arcuata M. N. Ackley 1928-3-31 21 Riverside Painted Cyn 30 Comment
  UCR95952B  Chimaphila umbellata Scott D. White 1996-8-1 4408 B Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  UCR127526  Chloris gayana Steve Morgan 1997-12-5 s.n. Riverside Riverside, weed in the UCR Botanical Garden, E side of the UCR campus, south of the pond, near the Rutaceae section, in cell blocks J8 & K8. 396 Comment
  RSA585048  Chloris truncata V. McAfee-Jacobs, B. R. Drake 1995-11-6 1 Riverside Temecula: Drake Enterprises vineyard at Buck Rd. and Berenda Road Comment
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Apr 10 2009
  CAS-BOT-BC184870  Chloris virgata Lewis S. Rose 1957-1-3 57007 Riverside La Quinta. 15 Comment
  SBBG57113  Chloris virgata R. Hoffmann 1929-9-4 Riverside between Wineville [Mira Loma] and Riverside Comment
  SEINET954331  Chloris virgata R. E. Riefner Jr. 2006-1 06 -447 Riverside Peninsular Range: Temecula Valley, along I-15 Freeway near Temecula Creek. 301 Comment
  UCR18830  Chlorogalum pomeridianum John C. Roos 1952-6-8 5749 Riverside Reche Canyon 549 Comment
  RSA701090  Chorizanthe brevicornu Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11253 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  UCR74365  Chorizanthe brevicornu Theo Glenn 1991-4-30 91- 67 Riverside Sonoran (Colorado) Desert, McCoy Mtns, NW of Blythe 280 Comment
  SBBG99602  Chorizanthe brevicornu var. brevicornu W. L. Halvorson 1977-3-8 77 -80 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  RSA715070  Chorizanthe coriacea A. C. Sanders, D. Malueg 2003-5-8 26576 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
  POM147639  Chorizanthe corrugata F. M. Reed 1927-3-20 5477 Riverside Salt Creek Wash. Comment
  RSA681030  Chorizanthe corrugata Scott D. White, Michael Honer 2003-5-14 9264 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  SD212684  Chorizanthe fimbriata Chris E. True, Robert Cox 2005-6-16 Riverside San Jacinto Mountains Foothills; along Highway 74 at milepost 48, across from Cranston US Forest Service Station, 3 miles east of Fairview Avenue, north of highway and south of San Jacinto River, near mouth of Bee Canyon 609 Comment
  UCR86987  Chorizanthe fimbriata var. fimbriata Ed LaRue 1993-5-10 s.n. Riverside Murrieta Oaks, 3 miles (airline) NW of Murrieta Hot Springs, W side of Hwy 215 457 Comment
  CAS-BOT-BC252788  Chorizanthe parryi var. parryi A. C. Sanders; T. B. Salvato; Kelly Volansky 2006-5-26 32614 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Canyon/Scott. Road and north of Clinton Keith Road 579 Comment
  JEPS57784  Chorizanthe parryi var. parryi W. L. Jepson 1914-5-25 6075 Riverside San Gorgonio Pass 548 Comment
  RSA11625  Chorizanthe parryi var. parryi C. Epling, W. M. Robinson 1934-6-24 s.n. Riverside Near Banning, San Gorgonio Wash in the Little San Bernardino Mts. Comment
  UCR104614  Chorizanthe parryi var. parryi D. E. Bramlet 1993-5-25 2359 Riverside Santa Ana Mtns, Elsinore Mtns., c. 730 m SW of Grand Ave. and 305 m SW of Akley Street. 1.7 km NE of Forest Service Road 6S07 Comment
  UCR275483  Chorizanthe parryi var. parryi T. B. Salvato, Gregg Miller 2005-6-7 1489 Riverside Peninsular Range, Gavilan Hills, along Hill Top Drive, 1.7 mi NE ( 54.8 deg. ) of the Lake Street junction with Hwy I-15, and 1.8 miles west of El Toro Road, near benchmark 2349 695 Comment
  RSA599417  Chorizanthe polygonoides var. longispina R. E. Riefner 1994-5-2 94 -355 Riverside Santa Rosa Plateau, ca. 2 mi from Clinton-Keith Rd on Tenaja Rd. Comment
  UCR174161  Chorizanthe polygonoides var. longispina A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32603 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
  UCR217496  Chorizanthe polygonoides var. longispina Lee A. Ripma, Jeff B. Galvin 2008-5-21 100 Riverside Palomar Mtns, Agua Tibia, west of Woodchuck Rd., east of Pechanga Indian Reservation 792 Comment
  UCR256742  Chorizanthe polygonoides var. longispina T. B. Salvato, Matthew Malle 2013-4-11 7531 Riverside Gavilan Hills, southeastern slopes, hill above Black Powder Canyon and c. 0.5 mi north of the Temescal Canyon 419 Comment
  RSA392739  Chorizanthe rigida Christopher Davidson 1979-4-4 7694 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  RSA516896  Chorizanthe rigida Steve Boyd, Orlando Mistretta 1986-3-13 1412 Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd and 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  RSA747801  Chorizanthe rigida Justin M. Wood 2009-3-26 397 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
  UCR114937  Chrysothamnus nauseosus subsp. consimilis Dave Ezell 1999-7-8 01 B Riverside Corona (Home Gardens), Promenade St. 0.2 mi. west of McKinley, 70-80 ft. north of 91 freeway. (El Sobrante de San Jacinto Spanish land grant) 210 Comment
  CLARK-A1528-1732  Chrysothamnus paniculatus John C. Roos 1943-10-17 2736 Riverside Little San Bernardino Mountains Comment
  POM295630  Chrysothamnus paniculatus Lyman Benson 1952-12-29 15085 Riverside 2 miles NW of the jct of Hwy 99 and Palm Springs Road 457 Comment
  JOTR01247  Chrysothamnus teretifolius Cole, James E. 1941-10-20 929 Riverside Joshua Tree National Park. OPTIMIST MINE ROAD, LOST HORSE VALLEY 1310 Comment
  SEINET13009282  Chylismia brevipes subsp. brevipes J. S. Horton 1973-3-19 698 Riverside 5 miles west of Desert Center. 366 Comment
  SD187441  Chylismia claviformis subsp. aurantiaca Naomi Fraga, Sarah J. De Groot, et al. 2005-2-10 1424 Riverside Northeastern Colorado Desert region; along Palen Road near Highway 177. 170 Comment
  UC873926  Chylismia claviformis subsp. aurantiaca C. L. Hitchcock 1940-3-29 5865 Riverside ca 100 yd e Spring; Cottonwood Canyon Comment
  UCR136249  Cirsium occidentale var. californicum A. C. Sanders 2004-4-20 27573 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
  UCR20812  Cirsium scariosum A. C. Sanders, Steve Boyd 1980-5-19 01498 Riverside San Jacinto Mtns, Garner Valley. Morris Ranch Road near Kenworthy Ranger Station. 1387 Comment
  RSA0013348  Cistanthe monandra C. P. Cowan 1978-4-23 1181 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon. 570 Comment
  POM48378  Cistanthe monosperma Mary F. Spencer 1919-7-6 1264 Riverside Tacquitz [Tahquitz] Meadow, San Jacinto Mountains. 2378 Comment
  CAS-BOT-BC171998  Clarkia epilobioides E. W. Lathrop 1968-5-22 6941 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon, Cleveland Nat'l Forest 1219 Comment
  CAS-BOT-BC163867  Clarkia purpurea subsp. quadrivulnera Steve Boyd 1986-4-19 1709 Riverside Temescal Canyon: Flats at SE end Alberhill Mountain Comment
  POM3049  Clarkia purpurea subsp. quadrivulnera H. M. Hall 1901-07 2262 Riverside Fuller Mill s Mountains. 1585 Comment
  UCR49249  Clarkia purpurea subsp. quadrivulnera Steve Boyd 1986-4-19 1709 Riverside Temescal Canyon, Temescal Canyon: flats at SE end of Alberhill Mtn. 396 Comment
  CAS-BOT-BC164762  Clarkia rhomboidea Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild Comment
  POM15055  Clarkia rhomboidea Mary F. Spencer 1922-6-18 1367 Riverside Idyllwild, San Jacinto Mountains. Comment
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Nov 19 2011
  UC20041  Clarkia rhomboidea Geo. F. Reinhardt June 1897 Riverside San Jacinto Mountains Comment
  SDSU13957  Clarkia similis Michael G. Simpson 2000-4-30 2083 Riverside Edge of wash, adjacent to mixed chaparral, ea. 100 feet east of Southside field station (Henderson House), Santa Margarita Ecological Reserve (SDSU). 122 Comment
  UCR20817  Clarkia similis A. C. Sanders 1980-5-22 1506 Riverside San Jacinto Mtns., Hwy 243, 0.6 mi above the foot of the mtn. at Smith Creek 732 Comment
  RSA543834  Claytonia perfoliata Steve Boyd, Orlando Mistretta 1991-5-22 6291 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  UCD100754  Claytonia perfoliata A. C. Sandes 2002-5-4 25039 Riverside San Jacinto Mtns.: Idyllwild, Pine Crest Ave., NE of Hwy 243. 1677 Comment
  UCR35072  Claytonia perfoliata subsp. perfoliata L. B. Ziegler 1969-5-15 357 Riverside San Jacinto Mtns., Hemet Valley 1418 Comment
  CLARK-A1045-96  Claytonia perfoliata var. parviflora George K. Helmkamp 1977-4-30 Riverside San Jacinto Mountains 6 miles west of Pine Cove; on dirt road between Pine Cove and North Fork of the San Jacinto River; ; San Jacinto Peak 7.5'Q 1676 Comment
  RSA543184  Clematis pauciflora Steve Boyd 1991-3-17 5495 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  UC1125907  Clematis pauciflora R. St. John 1931-2-19 186 Riverside w. Elsinore; Elsinore Quad. Comment
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Nov 27 2011
  UCR213349  Clematis pauciflora Justin M. Wood 2009-3-10 343 Riverside San Jacinto Mountains, Hwy 243, near base of the mountains, 0.5 mi up the hwy from Smith Creek Bridge 774 Comment
  RSA161289  Coleogyne ramosissima Peter H. Raven 1958-5-5 12892 Riverside Split Rock, Joshua Tree National Monument Comment
  SD133001  Collinsia concolor Scott White 1991-5-10 91 141 Riverside Hwy 79, immediately W of the U.S. Forest Service Campground at Dripping Springs 548 Comment
  UCR177646  Collinsia concolor S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  RSA736260  Collinsia heterophylla Scott D. White, Justin M. Wood 2008-4-3 11790 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. 'Morgan' property, Alberhill area. 274 Comment
  RSA0117392  Collinsia parryi Steve D. Boyd, Orlando Mistretta 1992-4-23 7072 Riverside San Mateo Canyon Wilderness Area, along San Mateo Creek from Riverside Co. line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 244 Comment
  HSC100941  Condalia globosa var. pubescens J. P. Smith, J. O. Sawyer 2009-11-30 12701 Riverside West of wash with palo verde tree. 638 Comment
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Aug 16 2015
  UCR274069  Conium maculatum Dave Goodward 2016-7-30 716- 1 Riverside San Jacinto Mountains, Garner Valley, c. half mile east of the eastern end of Lake Hemet and c. 0.7 mi southwest of Hwy 74, headwaters of the South Fork of the San Jacinto River 1327 Comment
  VVC27  Conium maculatum P. J. MacKay 1975-6-1 s.n. Riverside Cismontane S Cal, Chino vic Euclid Ave bordering a channel from Prado Dam 159 Comment
  UCR107825  Convolvulus arvensis D. L. Banks 1997-5-5 1953 Riverside NW Palomar Mtns., Agua Tibia Mtns: NW foothills of Dorland Mtns, at intersection of Los Caballos Road and Anza Road, just south of the golf course. 427 Comment
  POM13243  Conyza bonariensis P. A. Munz, I. M. Johnston 1922-5-19 5358 Riverside 5 miles NE of Murietta. 457 Comment
  UCR93031  Conyza coulteri Steve Boyd, D. L. Banks 1994-9-29 8367 Riverside Lake Elsinore, Floodplain east of dike along San Jacinto River, west of Sedco Hills community 381 Comment
  UC26331  Cordylanthus nevinii H. M. Hall Aug. 1901 2619 Riverside s side San Jacinto Mountains 1828 Comment
  UC26350  Cordylanthus rigidus subsp. setiger H. M. Hall Aug. 1901 2621 Riverside vicinity of Strawberry Valley San Jacinto Mountains 1584 Comment
  POM15180  Coreopsis bigelovii Mary F. Spencer 1922-4-23 2040 Riverside Maillard Canyon, prope [near] Banning. 701 Comment
  POM4863  Coreopsis californica P. A. Munz 1918-4-27 2148 Riverside Near Corona. Comment
  POM356170  Corethrogyne filaginifolia H. de Forest, Jack Rempel 1933-10-29 18687 Riverside Snow Creek Canyon, San Jacinto Mts. 526 Comment
  POM80098  Corethrogyne filaginifolia Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  UCSB22622  Corethrogyne filaginifolia Breedlove, Dennis 1961-8-4 Riverside Along Riverside Highway 1, 9 miles south of Banning; San Jacinto Mountains 1341 Comment
  CSUSB1371  Cornus nuttallii Frank C. Vasek 1964-7-25 Riverside San Jacinto Mountains San Jacinto Mountains. Dark Canyon, near Wet Canyon campground. Comment
  UCR98703  Cotula australis 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
  RSA336210A  Crassula aquatica R. F. Thorne, M. Z. Thorne, W. Wisura 1978-5-21 51986 -A Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  RSA612698  Crassula aquatica D. L. Banks 1997-3-29 1600 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
  CAS-BOT-BC427774  Crassula connata H. K. Wagnon 1944-3-12 342 Riverside West fork of Eagle Canon [Canyon], between Palm Springs and Cathedral City Comment
  CAS-BOT-BC427917  Crassula connata Steve Boyd 1986-4-2 1630 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park 640 Comment
  UCR116463  Crassula connata A. C. Sanders, T. B. Salvato 2001-3-30 23860 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
  RSA359856  Crassula connata Steve Boyd 1986-4-2 1630 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  CAS-BOT-BC181565  Crossosoma bigelovii Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater, Colorado Desert 304 Comment
  SBBG51094  Crossosoma bigelovii S. L. Timbrook 1977-2-28 563 Riverside W side of Whitewater Cyn, where Pacific Crest Trail crosses Whitewater Crk 731 Comment
  UCR243566  Crossosoma bigelovii Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21093 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
  RSA596673  Croton californicus D. L. Banks, Lauren Raz 1996-11-5 1186 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, S of San Gabriel Church; Along a newly established firebreak along a NW-SE running ridgeline, near the water tank. 402 Comment
  RSA651889  Croton californicus David B. Dunn 1948-3-14 s.n. Riverside 5 mi. west of Thousand Palms. Comment
  RSA775444  Croton californicus Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4446 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
  UCR89872  Croton californicus George K. Helmkamp 1994-3-8 41 13 Riverside Western Colorado Desert, Indio Hills, junction of Palm Dr. & Varner Rd, below Edom Hill 200 Comment
  UCR99572  Croton setiger Julie A. Greene, S. D. White 1993-7-5 1402 Riverside San Jacinto Valley, San Jacinto Wildlife Area, lower, flat area, west of dirt road 441 Comment
  RSA575953  Crypsis schoenoides Steve Boyd 1983-7-13 s.n. Riverside Gavilan Hills region, south shore of Lake Mathews. 424 Comment
  CAS-BOT-BC189256  Cryptantha Alice Eastwood 1913-4-30 s.n. Riverside Palm Springs Comment
  RSA613646  Cryptantha D. L. Banks, Victor Steinmann 1997-3-13 1473 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  UCR234234  Cryptantha A. C. Sanders 2012-4-12 40027 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, c. 100 m SE of El Hermano Rd. 314 Comment
  POM368202  Cryptantha angustifolia George B. Grant 1906-5-10 s.n. Riverside Palm Springs. Comment
  POM72271  Cryptantha angustifolia Marcus E. Jones 1903-5-10 6808 Riverside Palm Spring. 61 Comment
  RSA0029325  Cryptantha angustifolia Justin M. Wood, J. Varonin, T. Valentovich 2012-4-23 4688 Riverside Sonoran Desert: Chuckwalla Valley, active sand dunes +/- 7.25 miles northeast of Desert Center, +/- 3.0 miles E of SR-177, and +/- 1.0 mile N of abandoned Jojoba farm. 149 Comment
  SBBG6240  Cryptantha angustifolia H. and M. Dearing 1938-3-5 1962 Riverside between Blythe and Desert Center Comment
  UCR38138  Cryptantha barbigera J. M. Stewart 1985-3-16 S.N. Riverside Sonoran (Colorado) Desert/Santa Rosa Mtns., Santa Rosa Mtns., Agua Alta Canyon off Martinez Canyon 732 Comment
  UCR52016  Cryptantha barbigera Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2137 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  UCR226912  Cryptantha barbigera var. fergusoniae Jim Andre 2011-2-2 16213 Riverside Coachella Valley, west of Palm Springs along Hwy 111 (south side) at base of San Jacinto Mtns at Windy Point 5.5 mi from junction with Hwy I-10 259 Comment
  UCR244395  Cryptantha barbigera var. fergusoniae Jim Andre 2012-4-16 20975 Riverside Southern Mojave Desert, Joshua Tree National Park; along Cottonwood Springs Rd [=Pinto Basin Rd.], c. 6 mi. south of north entrance at Twin Tanks parking area 1197 Comment
  HSC85290  Cryptantha clevelandii Steve Boyd 1986-5-1 1797 Riverside SW Perris Basin, Hill W of Skunk Hollow, Skunk Hollow vernal pool Comment
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Oct 2 2012
  RSA781388  Cryptantha costata Duncan S. Bell 2010-5-1 909 Riverside Arica Mountains: northwest of mountain range, approximately 7.2 air miles west of the ghost town of Rice, and approximately 6 air miles northwest of Priests Well. 312 Comment
  RSA787696  Cryptantha costata Duncan S. Bell 2012-4-5 3308 Riverside Palen sand dunes on the southwest side of the Palen mountains at the south end of Palen Valley and the northwestern part of Chuckwalla Valley. Approx. 6.75 air miles directly north of Hell. 141 Comment
  UCR276381  Cryptantha costata Jim Andre 2015-4-23 32749 Riverside Sonoran (Colorado) Desert, Rice Valley; along Rice-Midland Rd., 3.1 miles south of Hwy 62, eastern end of Arica Mountains 253 Comment
  SEINET200257  Cryptantha dumetorum Francia Chisaki, Peter M. Ray 1952-4-6 2199 Riverside Joshua Tree National Monument ; About 0.25 mile west of Cottonwood Springs. Comment
  HSC86868  Cryptantha intermedia Dave Hawks 1988-4-2 Riverside Tule Creek drainage, 1.75 mi. NE of Aguanga, SE of intersection of Dove and Sycamore Sts., S of Hwy. 371 762 Comment
  JEPS67648  Cryptantha intermedia W. L. Jepson 1935-4-17 19156 Riverside Elsinore, sw Riverside County Elsinore 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
  SBBG34718  Cryptantha intermedia T. L. Secrest 1950-3-12 Riverside near Indio Comment
  UC1287159  Cryptantha intermedia C. L. Hitchcock 1966-3-16 24193 Riverside about 5 mi ne Aguanga Comment
  UC402785  Cryptantha intermedia Charlotte M. Wilder 1907-4-6 875 Riverside e end San Gorgonio Pass; Colorado Desert, Whitewater Comment
  UCR112957  Cryptantha intermedia B. G. Pitzer 1998-3-1 3546 Riverside Lakeview Mtns, Maze Stone county historical marker & picnic area, E side of mtns, on W side of Reinhardt Canyon 610 Comment
  UCR250877  Cryptantha intermedia S. J. Myers, Jennifer Tobin, Michelle Tobin 2013-3-13 1040 Riverside Lakeview Mountains, along powerline access road NE of Juniper Flats Rd. 649 Comment
  UCR47759  Cryptantha intermedia F. R. Fosberg 1929-5-3 S- 01058 Riverside Peninsular Range, Temecula River, c. 10 mi above Temecula Comment
  RSA0033751  Cryptantha maritima Jim Andre 2013-3-27 24831 Riverside Riverside Mountains; along Wilson River Crossing Rd., 0.8 mi. east of Hwy 95, 12.4 mi. south of Vidal Jct. 114 Comment
  RSA797511  Cryptantha maritima C. P. Cowan 1978-4-23 1175 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon. 570 Comment
  SBBG81675  Cryptantha maritima S. A. Junak 1983-3-24 1660 Riverside N side of Hwy 10, 6.9 mi W of Pinto Basin Rd 426 Comment
  SEINET4568277 Image available Cryptantha maritima Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4595 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  HSC79082  Cryptantha micrantha G. K. Helmkamp 1984-5-5 - 11 Riverside Little San Bernardino Mtns., Big Morongo Canyon, 4 mi. below the caretaker's house at the Big Morongo Preserve 549 Comment
  RSA0080319  Cryptantha micrantha Sarah J. De Groot, Cheryl Sevilla 2015-2-24 s.n. Riverside Sand dunes along Blythe-Rice (Midland) Road, Rice Valley, south of Turtle Mountains, east of Arica Mountains, 1.9 miles south of Highway 62 and Rice. 234 Comment
  SEINET4558667  Cryptantha micrantha subsp. lepida Peter Kamb 1950-1 1908 Riverside Hall Canyon, San Jacinto Mountains 1646 Comment
  SD233775  Cryptantha micromeres A. C. Sanders, Steven R. Hill 2001-5-4 24129 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 Crk. Dr.), E side of Rancho C. Rd. (Temecula 7.5' Q). Burned W-facing slope. 487 Comment
  IRVC26262  Cryptantha microstachys A. C. Sanders, D. Malueg 2003-5-8 26572 Riverside Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek Perris-Aguanga Basin region 396 Comment
  RSA180398  Cryptantha microstachys E. W. Lathrop 1965-5-9 5718 Riverside 6 miles W of Murrieta Comment
  UCR43758  Cryptantha microstachys A. C. Sanders 1986-4-30 6490 Riverside San Jacinto Mtns, head of Bee Canyon along Bee Canyon Road, 1.7 mi. above mouth of canyon at the San Jacinto River Valley. 795 Comment
  UC1595557  Cryptantha muricata Steve Boyd and Rita Gentry 1991-5-30 6316 Riverside summit of Hogbacks on Gentry Experimental Farm Murrieta, Hogbacks 542 Comment
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May 18 2009
  UC24694  Cryptantha muricata H. M. Hall Jun 1901 2180 Riverside Thomas Valley San Jacinto Mountains 1371 Comment
  UCSB38660  Cryptantha muricata Cowan, Clark 1978-4-25 Riverside 6.7 mi. (10.7 km.) SW on 74 from jct. with 71, 4.6 mi. (7.3 km.) from Lake Elsinore, Santa Ana Mts. Cleveland Nat. F. Comment
  SBBG34216  Cryptantha muricata var. muricata H. Haid 1969-5-11 Riverside Bautista Cyn, ca. 20 mi SE of Hemet 914 Comment
  JEPS67763  Cryptantha nevadensis Marjorie D. Clary 1932-4-3 1649 Riverside 15 mi sw Indio; Colorado Desert, Santa Rosa Mts., Deep Canyon 304 Comment
  UCR218470  Cryptantha nevadensis Jim Andre, T. La Doux 2009-3-10 11256 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
  UCD120018  Cryptantha pterocarya William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  RSA0079482  Cryptantha pterocarya var. pterocarya J. R. Bruff 1928-4-2 s.n. Riverside Canyon wash 1 mile west of Morengo. Comment
  JOTR29374  Cryptantha racemosa La Doux, Tasha, Mike Bell 2006-5-10 1451 Riverside Joshua Tree National Park. East Deception Canyon Comment
  JOTR33945  Cryptantha utahensis La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2834 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  RSA80960  Cryptantha utahensis G. R. Campbell 1952-4-6 18409 Riverside Joshua Tree National Monument. 1.5 miles toward Cottonwood Springs, off road to 29 Palms 975 Comment
  UC857297  Cryptantha utahensis C. L. Hitchcock 1940-3-29 5856 Riverside ca 100 yds e Cottonwood Spring; Cottonwood Canyon Comment
  SD28102  Cryptogramma acrostichoides Carl B. Wolf 1932-8-5 3978 Riverside Summit of San Jacinto Peak, San Jacinto Mountains 3310 Comment
  SEINET4896208  Cupressus macrocarpa H. F. Thut 1971-1 Riverside near Redlands Comment
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Jul 19 2015
  POM70787  Cuscuta californica Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  CAS-BOT-BC224606  Cuscuta californica var. papillosa Geo. B. Grant 1906-4-20 6705 Riverside Palm Springs Comment
  UCR31665  Cuscuta californica var. papillosa John C. Roos 1946-12-7 3184 Riverside Western Colorado Desert, Pushawalla Wash Comment
  RSA638871  Cuscuta ceanothi Scott D. White 1998-10-13 7182 Riverside Corona, near Bedford canyon: Dissected alluvial slope, foothills at eastern slope of Santa Ana Mts. 'Joseph Canyon' wash near a disused quarry. 335 Comment
  UCR214153  Cuscuta denticulata T. B. Salvato 2010-4-20 4052 Riverside Sonoran (Colorado) Desert, alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 189 Comment
  CLARK-A1528-2579  Cycloloma atriplicifolium John C. Roos 1965-9-26 Riverside Indio Comment
  RSA0056192  Cylindropuntia californica Marc A. Baker 2013-5-25 17746 Riverside San Gorgonio Pass, 9.5km east of Banning, 1.2km NE of Cabazon. 570 Comment
  UC403468  Cylindropuntia chuckwallensis Munz and Keck 1922-4-12 5017 Riverside Aztec Well Colo. Desert, Chuckawalla Mts. Comment
  SEINET3085681  Cylindropuntia munzii Marc A. Baker, Michelle Cloud-Hughes, Glenn Rink, Dina Robertson & Neal Kramer 2011-5-1 17306 Riverside South Side of Chuckwalla Mountains, 67km WSW of Blythe, 3.8km SSW of Augustine Pass. 665 Comment
  JEPS66895  Cylindropuntia ramosissima W. L. Jepson 1912-10-29 5247 Riverside Riverside Mts.; along Colorado River 91 Comment
  RSA549282  Cyperus acuminatus Steve Boyd, Timothy S. Ross, D. Zippin, T. Oberbauer 1991-6-14 s.n. Riverside Skunk Hollow area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aquaduct. Comment
  UCR176958  Cyperus involucratus D. L. Banks, E. H. Banks 1996-5-2 0949 Riverside Agua Tibia Mountains, NW Palomar Mountains; NW foothills of Dorland Mtn, S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage 524 Comment
  UCR199671  Cyperus odoratus Scott D. White, Lynn Stafford 2007-7-5 11756 Riverside Chino Hills State Park, Santa Ana River floodplain just blow Prado Dam 137 Comment
  UCR89437  Cyperus retrorsus Steve Morgan 1994-9-13 s.n. Riverside Riverside, UCR campus in the Botanic Garden. Along the trail in the chaparral section just west of (below) the lath house Comment
  RSA751278  Cystopteris fragilis A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35646 Riverside May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  HSC87170  Dalea mollissima Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2167 Riverside Palen Pass at the N end of the Palen Mtns. 500 Comment
  POM307229  Dalea mollissima Henry J. Ramsey, Henry J. Ramsey 1940-3-14 1992 Riverside North of Blythe. Comment
  RSA517837  Dalea mollissima Steve Boyd, Orlando Mistretta 1986-3-13 1467 Riverside West side Palen Mts.: NE of Desert Center. Comment
  SFV4380  Dalea mollissima F. M. Ball 1964-1-4 s. n. Riverside Colorado Desert About 7 miles up Palms to Pines Highway from Palm Desert. 335 Comment
  SEINET6656795  Dalea spinosa Victor Duran 1933-7-3 3499 Riverside Coachella Valley at Deep Canyon.; 0 Comment
  UCSB37371  Datura discolor Roos, J. 1965-11-6 Riverside Colorado Desert, 26 miles west of Blythe. Comment
  POM319386  Datura wrightii Patricia Wilder 1971-9-29 5287 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
  VVC5  Daucus pusillus A. C. Sanders, J. Mac 1997-5-4 20684 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek drainage, dry slopes above Brown Creek. 915 Comment
  CAS-BOT-BC293819  Deinandra fasciculata S. B. Parish 1916-6-8 10973 Riverside Between San Bernardino and Riverside 360 Comment
  UC1746495  Deinandra fasciculata A. C. Sanders, T. B. Salvato 2000-5-25 23412 Riverside 2 miles due east of Railroad Canyon Lake; Menifee Valley; S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake Comment
  JEPS8779  Deinandra kelloggii Rimo Bacigalupi with G. T. Robbins 1954-5-16 4465 Riverside along road from Valverde e to Lakeview (w slope of the Bernasconi Hills); Bernasconi Hills 426 Comment
  RSA703537  Deinandra kelloggii R. E. Riefner Jr. 2004-4-27 04 -145 Riverside Morreno Valley, south of Allesandro St. near Merwin St. and Kimber Ave. 354 Comment
  RSA613890  Deinandra paniculata A. C. Sanders 1995-11-26 17922 Riverside Tule Creek Valley, NE of Tule Pk, between Aguanga & Anza, S of Hwy 371. Old house site on Tule Peak Rd., 0.7 mi. w of Bonny Ln., sec. 14. 1311 Comment
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Dec 16 2012
  RSA777348  Delphinium parishii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4704 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65119. 604 Comment
  RSA0020483  Delphinium parishii subsp. parishii N. R. Zabriskie 1973-4-5 619 Riverside Mesa S side Andreas stream, Andreas Canyon, E slope San Jacinto Mtns. 305 Comment
  RSA0119900  Delphinium parishii subsp. subglobosum Duncan S. Bell, Thomas Stoughton 2016-4-12 9230 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 3.5 air miles northwest of Rabbit Peak. 967 Comment
  RSA356748  Delphinium parryi Robert F. Thorne 1973-5-23 45514 Riverside Santa Rosa Plateau: N side of Mesa de Colorado. Santa Ana Mountains 610 Comment
  UCR166149  Delphinium parryi T. B. Salvato, John F. Green 2004-5-27 568 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
  JEPS57293  Delphinium parryi subsp. parryi L. R. Heckard and R. C. Bacigalupi 1968-5-5 1801 Riverside about 5 mi s Hemet (low hills at s edge of Valley); Diamond Valley 518 Comment
  UCR107818  Delphinium parryi subsp. parryi D. L. Banks 1997-5-5 2013 Riverside NW Palomar Mtns, Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pachanga Creek. east of where road crosses to southern bank of south fork of Pechanga Creek. 482 Comment
  RSA0029900  Delphinium patens subsp. montanum Justin M. Wood 2009-5-11 681 Riverside Hwy 243 near Ranger Peak, roadside. 1433 Comment
  CSUSB1037  Dendromecon rigida P. A. Rauch 1966-4-30 Riverside At road elevation 3600 feet Banning- Idyllwild Highway (about 8 miles from Banning). 1097 Comment
  UCR16439  Dendromecon rigida Frederick Neill 1977-5-28 52803 Riverside Santa Ana Mountains, 3.25 mi up Skyline Dr. from Corona Comment
  UCR201675  Deschampsia danthonioides Scott D. White, Justin M. Wood 2008-6-19 12267 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  CAS-BOT-BC43130  Descurainia pinnata subsp. brachycarpa Steve Boyd; Tim Ross; Laurel Arnseth 1990-3-30 3945 Riverside Vail Lake area, saddle at north base of Big Oak Mountain, south of Black Hills. 731 Comment
  RSA65823  Descurainia pinnata subsp. glabra F. W. Peirson 1921-3-23 2592 Riverside Deep Canyon, Coachella Valley. Comment
  UC212652  Descurainia pinnata subsp. glabra Ivan Johnston 1917-4-4 Riverside Palm Canyon; Colorado Desert 274 Comment
  SD185234  Dicentra chrysantha T. B. Salvato, John F. Green 2004-5-27 704 Riverside Head of Banning Canyon close to the San Bernardino County line, 0.5 mile southeast of Oak Glen Conservation Camp. 1402 Comment
  JEPS64173  Dichelostemma capitatum W. L. Jepson 1901-5-19 1299 A Riverside Strawberry Valley Mt. San Jacinto 1676 Comment
  UC1537195  Dichelostemma capitatum Gordon H. True Jr. 1935-2-27 24 Riverside Box Springs 365 Comment
  CAS-BOT-BC500850  Dichelostemma capitatum Marian L. Campbell 1921-3-18 51 Riverside Banning Comment
  JOTR30225  Dichelostemma capitatum subsp. capitatum Leary, C. and Leary, Pat 1979-5-5 2991 Riverside Joshua Tree National Park. Above Lower Covington Flats, Joshua Tree National Monument, T2S R7E sec 6 Comment
  POM1675  Dichelostemma capitatum subsp. capitatum I. M. Johnston s.n. Riverside Andreas Canyon 274 Comment
  RSA70124  Dichelostemma capitatum subsp. pauciflorum F. W. Peirson 1921-3-22 s.n. Riverside Murray Canyon, Near Palm Springs. 366 Comment
  CAS-BOT-BC292199  Dicoria canescens M. E. Jones 1933-11-7 s.n. Riverside Cabazon Comment
  JEPS40720  Dieteria asteroides var. asteroides E. E. Schellenger may 1920 Riverside canyon e Coachella; Colorado Desert Comment
  SD115008  Dieteria canescens var. ziegleri Fred T. Sproul 1977-8-13 185 Riverside Along road to Santa Rosa Pk. At beginning of Pine-Oak Woodland (mak 11/07) Comment
  SEINET269467 Image available Digitaria sanguinalis Scott D. White, Steve Ogg 1994-10-17 2499 Riverside Temecula Valley. City of Temecula, Murrieta Creek channel at confluence with Sta. Gertrudis Creek USGS 71/2' Murrieta quad. 315 Comment
  SD137606  Diplacus aurantiacus Darin L. Banks, Steve Boyd 1995-6-2 560 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, ca Ao mi S of the clay grasslands 901 Comment
  SD186336  Diplacus aurantiacus Andy C. Sanders 2004-4-20 27534 Riverside Santa Rosa Plateau, 0.5 km west of Tenaja Road and north of the San Diego County line 640 Comment
  SEINET4095863  Diplacus longiflorus C. Davidson 1975-1 2803 Riverside Roughly two miles south of Banning on road R1 to Idyllwild; roughly 20 feet from road. 822 Comment
  CAS-BOT-BC150875  Diplacus puniceus C. F. B. 1904-4-4 4152 Riverside Elsinore Comment
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Sep 3 2017
  UCR110914  Distichlis spicata A. C. Sanders, K. C. Rose 1999-6-18 22822 Riverside Domenigoni Valley, upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, south of Winchester 433 Comment
  RSA70431  Ditaxis californica F. W. Peirson 1921-3-23 2043 Riverside Deep Canyon Wash, 12 miles southeast of Palm Springs. 152 Comment
  UCR251899  Ditaxis claryana Jim Andre 2013-3-27 24823 Riverside NE Colorado Desert, east side of Riverside Mountains, along Hwy 95, 13.2 mi south of Vidal Junction 126 Comment
  JOTR36013  Ditaxis lanceolata Harding, Mitzi, T. Herskovits 2012-3-16 220 Riverside Joshua Tree National Park. Eagle Mountains, Cholla Wash Comment
  RSA677302  Ditaxis lanceolata P. A. Munz, D. D. Keck 1922-4-13 4945 Riverside Eagle Mountains. 244 Comment
  UCR234815  Ditaxis lanceolata Jim Andre, Glenn L. Clifton 2011-2-22 17480 Riverside Coachella Valley, 1.2 mi due south of Windy Point (at Hwy 111, just southwest of 'The Cove' housing development near Blaisdell Creek, at base of San Jacinto Mountains 320 Comment
  JOTR34372  Ditaxis neomexicana Andre, Jim 2012-4-16 20889 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  RSA0027472  Ditaxis neomexicana Deidre Conocchioli, Billy Sale, Naomi Fraga 2013-9-25 54 Riverside East of Alligator Rock: From I-10 at Desert Center, head south on CA-177 to BLM Rd 394 (dirt). Collection site is 1.1 miles SW of interstate exit ramp. 334 Comment
  UCR240065  Ditaxis neomexicana A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40505 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
  RSA793607  Ditaxis serrata var. californica Duncan S. Bell, Aaron Sedgwick 2012-9-13 4206 A Riverside The Mecca Hills; along what was left of Box Canyon Road after having been buried by a flash flood from a large summer storm, approximately 5 air miles northeast of the junction of Box Canyon Road and the Coachella Canal, or approximately 1.25 air miles southwest of Shavers Well. 240 Comment
  SBBG72431  Dithyrea californica R. C. and J. R. Robbins 1933-2-17 Riverside 20 mi S of Indio Comment
  POM96160  Dithyrea californica Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio. Comment
  CAS-BOT-BC412632  Dodecahema leptoceras Steve Boyd 1986-4-19 1692 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road Comment
  RSA753539  Dodecahema leptoceras M. Wall 2009-6-12 524 Riverside Bautista Creek off Bautista Canyon Rd. ca. 8 miles SE of jct. with Faiview Ave. Hemet 732 Comment
  RSA461477  Dodecatheon alpinum subsp. majus Claire Kibbe 1936-07 s.n. Riverside San Jacinto Mountans. 1982 Comment
  RSA776087  Draba cuneifolia Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 819 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 396 Comment
  RSA0019580  Drymocallis glandulosa var. glandulosa E. W. Lathrop 1966-5-29 6388 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  CAS-BOT-BC535004  Drymocallis glandulosa var. reflexa H. M. Hall 1901-6-1 2204 Riverside San Jacinto Mountains, Southern California, vicinity of Strawberry Valley 1615 Comment
  UC12559  Drymocallis lactea var. lactea H. M. Hall July 1901 2400 Riverside in meadows or along creeks Tamarack Valley; San Jacinto Mountains, Tamarack Valley 2804 Comment
  UCSB45526  Dryopteris arguta Roos, John 1952-4-13 Riverside Box Springs Mtns. 518 Comment
  RSA494649  Dudleya lanceolata B. L. Phillips 1988-6-2 s.n. Riverside E Riverside, near Creek on W side of Box Springs Mt. Comment
  UCR104165  Dudleya lanceolata Scott D. White 1997-5-25 5248 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
  UCR21361  Dudleya lanceolata Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  UCR90592  Dudleya pulverulenta Scott D. White 1995-6-30 3419 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  UC1329970  Dudleya saxosa James E. Cole 1941-5-21 758 Riverside Cottonwood Rd Joshua Tree National Monument, Dale 914 Comment
  SEINET8060326 Image available Echinocactus polycephalus var. polycephalus Michael Chamberl 1990-1-11 16 Riverside Zzyzx Road south off Route 15 on SE facing rocky slope overlooking west shore of Soda Lake. 400 Comment
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Jun 4 2016
  RSA0125251  Echinocereus engelmannii var. engelmannii P. A. Munz 1921-5-1 4496 Riverside Southern edge of Mojave Desert near Pinyon Wells. 1220 Comment
  JOTR01123  Echinocereus triglochidiatus Cole, James E. 1941-5-17 730 Riverside Joshua Tree National Park. COVINGTON FLAT CANYON 1371 Comment
  UCD60748  Echinochloa colona Malcolm A. Nobs; S. Galen Smith 1948-9-3 488 Riverside Imperial Valley. Citrus grove, 2 miles north of Indio. Comment
  CSUSB1172  Echinochloa crus-galli Debbie Vigneault 1974-7-17 Riverside Santa Ana River Santa Ana River bottom, near Van Buren Bridge. 259 Comment
  UCR266824  Echinodorus berteroi D. E. Bramlet 2005-7-13 3892 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, San Jacinto Wildlife Area, east of old San Jacinto River channel, margin of flooded ponds 433 Comment
  UCR239924  Eclipta prostrata O. F. Clarke 2004-5-10 s.n. Riverside Peninsular Range, Riverside, UCR campus, agricultural operations area west of Canyon Crest Dr. and south of Martin Luther King Blvd., at 'Midgeville' the Entomology Dept. experimental ponds 302 Comment
  UC1536019  Elatine chilensis Robert F. Thorne and Earl Lathrop 1975-5-25 45546 Riverside Mesa de Burro Santa Rosa Plateau (Rancho California) Comment
  POM158186  Eleocharis montevidensis var. montevidensis Phillip A. Munz, I. M. Johnston 1928-9-6 11271 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  SEINET251737 Image available Elymus condensatus Unknown 2005-5-16 781 Riverside San Jacinto Mtn. foothills: San Jacinto River E of Valle Viste, just downstream from the Forest Service boundary and N of CA Hwy 74 (Blackburn Canyon 7.5' Q.:). 549 Comment
  UCR158267  Elymus condensatus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-4-14 29495 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
  UCR126483  Elymus elymoides Scott D. White 1997-5-18 5175 Riverside San Jacinto Mtns., 'Black Mountain Scenic Area,' Black Mountain Trail between Hwy 243 and Cinco Poses Trail junction 1829 Comment
  UC38265  Elymus elymoides subsp. elymoides H. M. Hall 1899-5-1 1114 Riverside San Jacinto Mt. San Jacinto Mountains 1524 Comment
  OBI32773  Elymus glaucus E. W. Lathrop 1965-4-26 5689 Riverside 4 mi SE of Murrieta Comment
  UC38189  Elymus glaucus H. M. Hall 1901-7 2478 Riverside Tamarack Valley San Jacinto Mountains 2804 Comment
  UC38214  Elymus glaucus H. M. Hall June, 1901 2097 Riverside San Jacinto Mountains; slopes and benches of s side 1463 Comment
  RSA500549  Elymus glaucus subsp. glaucus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3623 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, S of Hwy 79. 488 Comment
  UCR44199  Elymus glaucus subsp. glaucus A. C. Sanders 1986-6-1 6540 Riverside San Jacinto Mtns., trail to Spitler Peak from the Herkey Creek Camp to Bonita Vista road [=Apple Canyon Rd.] 1829 Comment
  SD232145  Elymus triticoides Scott D. White, Justin M. Wood 2008-7-8 12392 Riverside Mesic meadow and dry meadow margins 438 Comment
  RSA503145  Emmenanthe penduliflora Gary D. Wallace, D. H. Wilken 1966-3-26 242 Riverside San Bernardino National Forest. Whitewater Canyon 15miles East of Banning in mesa area. 427 Comment
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Jan 5 2010
  RSA585814  Emmenanthe penduliflora D. L. Banks, Steve D. Boyd 1995-5-9 348 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  UCR35122  Emmenanthe penduliflora L. B. Ziegler 1967-5-18 129 Riverside San Jacinto Valley, side canyon off lower Bautista Canyon 534 Comment
  JOTR16581  Encelia actoni Baker, James K. & Baker, Ilisa T. 1966-6-17 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS Comment
  SD229086  Encelia actoni Dick Schwenkmeyer, Bethany Jenkins 2012-3-7 630 Riverside Mt. San Jacinto 1085 Comment
  UCR92267  Encelia actoni Scott D. White 1995-8-23 3561 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  UCR233573  Encelia californica A. C. Sanders, John F. Green 2012-3-26 39995 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, near I-15 Fwy crossing of Temescal Wash, west of Hostettler Rd. 395 Comment
  RSA775597  Encelia farinosa Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 796 Riverside Mecca Hills, just south of Shaver's Well. 305 Comment
  SD229084  Encelia farinosa Dick Schwenkmeyer 2012-11-6 872 Riverside West fork of Palm Canyon, Agua Caliente Indian Reservation, 4.7 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 227 Comment
  POM356688  Encelia farinosa var. farinosa C. W. Tilforth 1967-2-11 101 Riverside Desert Hot Springs. 335 Comment
  RSA475298  Encelia farinosa var. farinosa Steve Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2127 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  NY70336  Ephedra aspera C. L. Hitchcock 1940-3-29 s.n. Riverside Cottonwood Canyon Comment
  UCR240045  Ephedra aspera A. C. Sanders, Chika Mori 2011-6-14 39661 Riverside Peninsular Range; Santa Rosa Mtns., Hwy 74 near 'Agave Hill', 0.3 km SW (249 deg. ) of VABM 'Lucky', 1.6 km NE (37 deg. ) of Black Hill, ridge west of Deep Canyon and east of Carrizo Creek, above switch backs 801 Comment
  RSA304959  Ephedra californica S. Carlquist 1982-4-18 15673 Riverside Sandy flats 16.4 miles north of entrance (from Highway 10) to Joshua Tree National Monument. Comment
  SEINET7048065  Ephedra californica Steven R. Hill 2001-4-29 33542 Riverside Whitewater Canyon, east side of canyon, east of Whitewater Canyon Road, about 2 miles north of Route I-10. Elevation about 1800 feet. Comment
  CAS-BOT-BC81684  Ephedra fasciculata Ira L. Wiggins 1937-3-9 8746 Riverside Chuckawalla Spring, Chuckawalla Mts. 528 Comment
  SD181809  Ephedra nevadensis Louis C. Wheeler 1955-6-16 7158 Riverside Palm to Pines Highway 0.45 mile downhill from 3000 foot marker. Comment
  JOTR31127  Ephedra viridis La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 2509 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Ridgeline just south of Quail Mountain peak with steep loose slopes and rocky outcrops (Stop 6) Comment
  RSA751285  Epilobium A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35660 Riverside May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  CSUSB1325  Epilobium adenocaulon var. adenocaulon Ed Francisco 1972-6-26 Riverside San Jacinto Mountains At Dark Canyon in the San Jacinto Mountains. Comment
  CSUSB251  Epilobium adenocaulon var. parishii Lynn Baasch 1971-5-16 Riverside University of California, Riverside campus; Hill south of reservoir, which is south of Picnic Hill. Unnatural running water. Comment
  UCR178007  Epilobium canum T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 621 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  CAS-BOT-BC171740  Epilobium canum subsp. latifolium S. B. Parish 1916-5-13 10859 Riverside Cottonwood Spr., Colorado Desert 792 Comment
  POM123232  Epilobium canum subsp. latifolium Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  RSA448507  Epilobium canum subsp. latifolium N. R. Zabriskie 1969-11-8 239 Riverside Andreas Canyon near Palm Springs. 274 Comment
  RSA588501  Epilobium canum subsp. latifolium H. de Forest, Jack Rempel 1933-10-29 s.n. Riverside Snow Creek Canyon 541 Comment
  RSA72330  Epilobium canum subsp. latifolium F. W. Peirson 1928-11-30 8212 Riverside Cottonwood Spring, northern Colorado Desert. Comment
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Oct 9 2010
  UC20677  Epilobium canum subsp. latifolium H. M. Hall 1901-6 2503 Riverside vicinity of Strawberry Valley San Jacinto Mountains 1584 Comment
  SD28118  Epilobium glaberrimum Carl B. Wolf 1932-8-5 3941 Riverside San Jacinto Mountains. Along trail from Tahquitz Valley to San Jacinto Peak. 2621 Comment
  POM122779  Epipactis gigantea Marcus E. Jones 1926-6-20 s.n. Riverside Near Banning. Comment
  RSA381721  Epipactis gigantea A. Menke 1955-4-25 s.n. Riverside Andreas Canyon, Palm Springs. Comment
  POM966  Equisetum arvense D. L. Crawford 1916-3-1 s.n. Riverside Santa Ana River Valley Comment
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Sep 3 2011
  UCR202585  Equisetum arvense Scott D. White, Justin M. Wood 2008-7-8 12373 Riverside San Jacinto Mountains, Hurkey Creek Watershed - Bonita Vista Road, c. 1/2 mi east and west of Hurkey Creek crossing 1537 Comment
  RSA125550  Equisetum hyemale var. affine R. Weatherby 1949-5-14 439 Riverside Dripping Springs. 457 Comment
  UC218660  Equisetum laevigatum P. A. Munz and I. M. Johnston 1922-5-21 5515 Riverside Keen Camp; San Jacinto Mts. 1524 Comment
  JOTR29222  Eragrostis cilianensis La Doux, Tasha, Mike Bell 2005-9-15 1335 Riverside Joshua Tree National Park. Near Hidden Valley campground Comment
  CLARK-A1656-789  Eremalche exilis Jon Mark Stewart 1982-4-14 Riverside Palm Desert 60 Comment
  RSA421558  Eremocarpus setiger M. M. Thompson 1947-6-9 C- 2065 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  JOTR34383  Eremothera boothii subsp. condensata Andre, Jim 2012-4-16 20906 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 3.1 miles north of South Entrance, 4.1 miles north of I-10 788 Comment
  UC70079  Eremothera refracta E. E. Schellenger Apr. 1905 Riverside Santa Maria Mts. Colorado Desert Comment
  RSA0105465  Eriastrum densifolium subsp. austromontanum J. C. Roos 1965-7-22 s.n. Riverside Mountain Center Comment
  LA106820  Eriastrum densifolium subsp. densifolium A. M. Johnson; 1933-6-25 sn Riverside Pinon Flats, Pines to Palms Hwy Comment
  RSA0105464  Eriastrum densifolium subsp. densifolium Julian P. Donahue 1984-10-6 90405 Riverside Pinyon Crest, Pinyon Flat, between San Jacinto & Santa Rosa Mts. 1249 Comment
  JEPS57287  Eriastrum sapphirinum L. R. Heckard and R. C. Bacigalupi 1968-5-5 1807 Riverside 2.6 mi n Radec 548 Comment
  SBBG58326  Eriastrum sapphirinum M. N. Ackley 1928-4-1 Riverside between Indio and Palm Springs 60 Comment
  UCR158349  Eriastrum sapphirinum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30089 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  CLARK-A1528-704  Eriastrum sapphirinum subsp. dasyanthum C. M. Flanagan 1973-5-31 OO 617 Riverside Morongo Indian Reservation 975 Comment
  RSA0121592  Eriastrum sapphirinum subsp. dasyanthum F. W. Peirson 1920-6-22 4708 Riverside Temescal Canyon. 305 Comment
  RSA0122950  Eriastrum sapphirinum subsp. dasyanthum C. W. Tilforth 1969-7-24 213 Riverside About 5 mi. south of Hemet, east of County Highway R-3. Comment
  RSA0094097  Eriastrum sapphirinum subsp. sapphirinum Duncan S. Bell, Evan Meyer, Sonia Pena 2015-10-20 8723 Riverside Santa Rosa Mountains; approximately 0.75 air mile west of the summit of Santa Rosa Mountain. 2196 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
  POM13596  Ericameria cuneata E. C. Jaeger 1922-8-20 s.n. Riverside Long Valley to Palm Springs Trail 1372 Comment
  RSA772850  Ericameria linearifolia Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4841 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
  POM13407  Ericameria parishii E. C. Jaeger 1922-8-20 1004 Riverside Long Valley - Palm Springs trail, San Jacinto Mts 1524 Comment
  UCD131528  Ericameria parishii var. parishii E. W. Lathrop 1966-3-30 6119 Riverside Main Divide Truck. Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1219 Comment
  UCR138600  Ericameria pinifolia D. L. Banks 1996-11-7 1210 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
  UC130502  Erigeron breweri var. jacinteus Charlotte M. Wilder 1909-7-12 972 Riverside s slope of ridge at head of Snow Creek (near summit of ridge at head of South Branch of Snow Creek and well down the sw (?) face of hill around upper meadows); San Jacinto Mountains, Snow Creek 2895 Comment
  CAS-BOT-BC189079  Eriodictyon crassifolium H. E. McMinn 1925-7-1 1519 Riverside By wash, between Palm Springs and the canyon mouth Comment
  CAS-BOT-BC189083  Eriodictyon crassifolium P. A. Munz 1932-4-24 12390 Riverside Snow Creek Canyon, San Jacinto Mountains 457 Comment
  CAS-BOT-BC189084  Eriodictyon crassifolium Nancy Ryan Zabriskie; Walter Zabriskie 1970-3-27 269 Riverside Adjacent to and above stream below Andreas Canyon Club clubhouse, Andreas Canyon 304 Comment
  CLARK-A1528-541  Eriodictyon crassifolium Charlotte Stocks 1962-6-13 Riverside San Jacinto Mountains Comment
  UCR103921  Eriodictyon crassifolium B. G. Pitzer 1997-4-12 3128 Riverside Lakeview Mtns, Pulsar View Road, c. 3/4-1 mi. by road uphill from the base of the hills at the end of Warren Road (very short dirt road); c. 1 mi. airline NE of Juniper Flats Road. Approx. 0.9 mi. airline SW of Mt. Rudolph (measured from BM 'Nelson'). 610 Comment
  UC107133  Eriodictyon trichocalyx var. trichocalyx T. S. Brandegee 1902-5-14 Riverside Banning Comment
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Mar 13 2011
  RSA608182  Eriogonum R. S. Woglum 1941-5-17 3042 Riverside Peninsular Ranges / Sonora Desert jct: Alder Canyon off Coyote Canyon. Comment
  RSA792160  Eriogonum A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35621 Riverside May Valley c. 1.0 mi. WSW of Fleming Ranch 1585 Comment
  CAS-BOT-BC248625  Eriogonum apiculatum William M. Klein 1960-8-22 1582 Riverside North of Idyllwild along the trail to Suicide Rock and Mt San Jacinto, San Jacinto Mts. Comment
  OBI82309  Eriogonum apiculatum Louis Wheeler 1945-10-7 6412 Riverside San Jacinto Mountains: divide between West Fork Snow Creek and North Fork San Jacinto River 2377 Comment
  UCD159799  Eriogonum apiculatum Louis C. Wheeler 1945-10-7 6412 Riverside San Jacinto Mountains: divide between West Fork Snow Creek and North Fork San Jacinto River. 2377 Comment
  RSA338175  Eriogonum brachyanthum Robert F. Thorne, Rolf, Gertrud Dahlgren 1979-8-22 53581 Riverside Joshua Tree National Monument; Vicinity of Ryan Campground to base of Ryan Mountain. 1319 Comment
  JEPS56685  Eriogonum davidsonii Carl V. Meyer 1928-7-30 577 Riverside Saunders Meadow San Jacinto Mt. Comment
  UCR203962  Eriogonum davidsonii Michael Wall 2008-10-6 495 Riverside Perris-Aguanga Basin, San Jacinto Valley, Bautista Road southeast of Hemet, Bautista Creek c. 6.0 mi southeast of Fairview Ave. 778 Comment
  RSA0018889  Eriogonum deflexum Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6025 Riverside Chuckwalla Valley; approximately 22.25 air miles west of Blythe, south side of Ford Dry Lake, about 0.5 air mile southeast of Hopkins Well. 107 Comment
  RSA0112081  Eriogonum deflexum Duncan S. Bell 2010-10-23 1983 Riverside Arica Mountains; northwest section of range; collecting in the vicinity of the California Aqueduct. 282 Comment
  UCR50891  Eriogonum deflexum A. C. Sanders 1988-5-11 7807 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal, east of the gasline road from Niland 549 Comment
  POM10472  Eriogonum elongatum F. M. Reed 1904-8-15 s.n. Riverside Riverside. Along Blair Street Comment
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Jul 4 2010
  RSA771106  Eriogonum elongatum Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4733 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65119. 604 Comment
  JEPS56954  Eriogonum fasciculatum var. flavoviride W. L. Jepson 1928-4-25 12592 Riverside sides of wash below Cottonwood Spring; Colorado Desert, Eagle Mts. 731 Comment
  POM159932  Eriogonum fasciculatum var. flavoviride E. C. Jaeger 1926-3-26 s.n. Riverside Cottonwood Springs. Comment
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Oct 9 2010
  POM123086  Eriogonum fasciculatum var. foliolosum Marcus E. Jones 1890-5-23 s.n. Riverside Riverside. Comment
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May 22 2012
  UCR268314  Eriogonum fasciculatum var. foliolosum Jim Andre 2012-6-15 30493 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243 at Mount Edna Road, c. 1 mile north of McMullen Flat, 5.9 miles south of Hwy I-10 at Banning 1172 Comment
  JOTR31138  Eriogonum fasciculatum var. polifolium La Doux, Tasha 2009-6-3 1850 Riverside Joshua Tree National Park. (Stop 1): Little San Bernardino Mountains, Covington Flats, ridge line south of peak 1547 Comment
  UCSB1527  Eriogonum fasciculatum var. polifolium Hawkins, L. 1956-4-13 Riverside Water Canyon Comment
  RSA393246  Eriogonum gracile var. gracile Ann Grove 1980-10-8 9 ..10 Riverside Tenaja Ranger Station area, Rancho California, 7 miles northwest of Murrieta, southwest Riverside Co. Comment
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Dec 1 2014
  RSA741737  Eriogonum gracile var. gracile M. Wall 2008-10-6 494 Riverside San Jacinto Valley, Baustista Rd. south east of Hemet; Bautista Creek ca. 6.0 miles SE of Fairview Ave. 778 Comment
  RSA680836  Eriogonum gracile var. incultum Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8667 Riverside San Jacinto Mountains: Idyllwild area; 'Strawberry Fuelbreak' between Inspiration Point and Strawberry Creek. i.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  UC465995  Eriogonum inflatum var. inflatum Joseph Grinnell 1910-3-17 Riverside Riverside Mt., Colorado River Comment
  UC849226  Eriogonum maculatum I. W. Clokey 1935-4-17 6582 Riverside Cottonwood Springs Comment
  RSA144222  Eriogonum mohavense William M. Klein 1960-8-22 1588 Riverside North of Idyllwild along trail to Suicide Rock and Mt. San Jacinto, San Jacinto Mountains. Comment
  CAS-BOT-BC270589  Eriogonum molestum Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  SBBG118  Eriogonum pusillum L. Rowntree 1928-3-20 Riverside Morongo Valley, N of Palm Springs Comment
  UC1252147  Eriogonum pusillum Robert Langston 1964-4-27 Riverside 12 mi sw Palm Desert (Pinyon Crest); Pinyon Crest Comment
  JEPS56317  Eriogonum saxatile H. M. Hall May 17 1901-Jun 1 1901 1842 Riverside Comment
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Sep 17 2011
  RSA517811  Eriogonum thomasii Steve Boyd, Orlando Mistretta 1986-3-13 1416 Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd and 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  RSA700955  Eriogonum thurberi Gary D. Wallace 1982-5-15 2002 Riverside Palms to Pines Highway (74), San Bernardino National Forest. 1 mi. E of Pinyon Pines Camp. Comment
  SBBG65514  Eriogonum thurberi P. A. Munz, I. M. Johnston 1928-9-6 11278 Riverside Santa Ana River, Ontario-Corona Rd Comment
  SBBG65486  Eriogonum trichopes M. N. Ackley 1928-3-24 874 Riverside Palm Springs to Indio 60 Comment
  UC68585  Eriogonum trichopes L. A. Greata April 1905 389 Riverside Coachella Colorado Desert, Coachella Comment
  SBBG64089  Eriogonum vimineum P. A. Munz 1927-5-21 10860 Riverside Cahuilla Comment
  JEPS56110  Eriogonum wrightii var. membranaceum Marjorie D. Clary 1932-8-21 Riverside Hemet Valley San Jacinto Mts. 1371 Comment
  RSA766278  Eriogonum wrightii var. membranaceum E. L. Peterson 1931-9-6 5633 Riverside Strawberry Valley. San Jacinto Mts. 1585 Comment
  UCR137173  Eriogonum wrightii var. nodosum Larry E. DeBuhr 1977-5-6 2587 Riverside San Bernardino Mtns., Whitewater Canyon, c. 4.5 mi N from I-10 671 Comment
  RSA0104079  Eriogonum wrightii var. wrightii Duncan S. Bell, Evan Meyer 2014-10-28 7667 Riverside Orocopia Mountains; northwest section of range; approximately 1.8 air miles northwest of the summit of Orocopia Mountain. 936 Comment
  UCR2827  Erioneuron pulchellum F. M. Reed 1927-1-5 5691 Riverside Sonoran (Colorado) Desert, Eagle Canyon, 5 miles east of Palm Springs, south of Cathedral City [= Cathedral Canyon?] 229 Comment
  UCR2828  Erioneuron pulchellum F. M. Reed 1927-3-19 5438 Riverside Sonoran (Colorado) Desert, upper fork of Salt Creek Wash [east of the Salton Sea] 549 Comment
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Feb 28 2011
  SEINET10867843  Erioneuron pulchellum David B. Dunn 1947-10-9 Dunn 3526 Riverside Grass. Joshua Tree National Monument at campground area by Hidden Valley. Comment
  SEINET8687228 Image available Eriophyllum ambiguum H. M. Hall 1905-4-14 5760 Riverside Near Palm Springs 150 Comment
  UCR123838  Eriophyllum ambiguum var. ambiguum Steven R. Hill 2001-5-3 33680 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
  CHSC26405  Eriophyllum confertiflorum Dieter H. Wilken 1965-6-29 356 Riverside East of Fuller Mill Creek, south of Marion Ridge, along County Route 1, San Jacinto Mtns. 1524 Comment
  UCR202427  Eriophyllum confertiflorum 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
  CDA29163  Eriophyllum confertiflorum Mike Lahti 2009-5-5 PDR# 1501682 Riverside 0 Comment
  CHSC89857  Eriophyllum confertiflorum var. confertiflorum L. P. Janeway 2004-5-8 8068 Riverside Peninsular Ranges. Santa Ana Mountains, Los Alamos Canyon near mouth of Wildhorse Canyon, where Wildomar Road crosses the creek. On steep northwest-facing slope above the road, bottom of the canyon. 421 Comment
  JEPS34708  Eriophyllum confertiflorum var. confertiflorum W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1329 Riverside Thomas Valley to Van Deventer's Ranch Comment
  UCR103909  Eriophyllum multicaule B. G. Pitzer 1997-4-11 3110 Riverside Lakeview Mtns, Pulsar View Road (dirt), at sharp turn in road c. 1 mi. (air) NE of Juniper Flat Road, and c. 3/4 -1 mi. by road from the base of the hills. C. 3/4 mi. (airline) SE of Mt. Rudolph (measured from BM 'Nelson') 610 Comment
  UCR87984  Eriophyllum multicaule Karin Cleary-Rose 1992-4-6 115 Riverside Lakeview Mtns, Reinhardt Canyon, west of Hemet, W side of California Street. 585 Comment
  UCR88584  Eriophyllum multicaule A. C. Sanders, J. C. Lyman 1995-4-16 16559 Riverside San Bernardino Valley, Glen Avon: sand dune area on N slope of the Jurupa Hills (draining toward Fontana), Pyrite St. Canyon 335 Comment
  RSA715095  Eriophyllum wallacei Sarah J. De Groot, J. Mark Porter 2006-3-14 5195 Riverside North foot of San Jacinto Mts., between Snow Creek Road and Highway 111; several miles downstream from gaging station. 366 Comment
  UCR882  Eriophyllum wallacei S. C. Anderson 1957-4-14 s.n. Riverside Santa Rosa Mtns., Deep Canyon, south of Palm Desert. 305 Comment
  UC63848  Erodium macrophyllum H. M. Hall 1897-5-4 523 Riverside Alice Mine Comment
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Jun 2 2012
  UCR151373  Erodium macrophyllum Steve Boyd 2001-4-12 10401 Riverside Peninsular Ranges; Perris-Aguanga Basin region; Gavilan Hills region; Santa Ana Mountains region, Santa Ana Mountains-Gavilan Hills Region: Temescal Canyon, terrace escarpment just south of DePalma Road between Indian Wash and Horsethief wash Comment
  UCR274557  Erodium texanum R. E. Riefner Jr., Ileene Anderson 2005-4-14 05- 198 Riverside City of Hemet, hills east of Winchester Rd. and west of MWD canal [south of Hwy 74] 593 Comment
  UCR14767  Eryngium aristulatum var. parishii A. C. Sanders, O. F. Clarke, Dan Vossler 1975-7-23 676 Riverside Santa Ana Mtns., Santa Rosa Plateau, west of Murrieta, c. 1/2 mile west of large vernal pool on Mesa de Colorado, intersection of Avocado Mesa Rd. & Los Gatos Rd. 623 Comment
  RSA507947  Erysimum capitatum Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2265 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest. 1500 Comment
  UC64658  Erysimum capitatum H. M. Hall 1901-7 2479 Riverside Tamarack Valley San Jacinto Mts. 2743 Comment
  SD137604  Erythranthe cardinalis Darin L. Banks, Victor Steinman 1995-7-10 751 Riverside NW Palomar Mountains: Agua Tibia Mountains; Cleveland National Forest; along the Wildhorse Trail, S of Lower Arroyo Seco, NW of Wildhorse Peak, drainage NW flank of Wildhorse Peak 609 Comment
  SD71845  Erythranthe cardinalis Helen V. Witham 1969-7-2 208 Riverside Edge of stream, Sandia Creek, on road from De Luz to Murietta 299 Comment
  RSA0015881  Erythranthe moschata Justin M. Wood, Brandy Wood 2009-6-13 881 Riverside Idyllwild County Park, Lilly Creek and adj slope to W of campground. 1585 Comment
  JOTR33757  Eschscholzia La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2755 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Gneiss outcrop on edge of large sandy wash in wide canyon that feeds southwest into Wilson Canyon (Stop 6) Comment
  RSA0022933  Eschscholzia androuxii C. L. Hitchcock 1932-4-7 12211 Riverside 5 miles S of Cottonwood Springs, East Riverside County. Comment
  RSA777329  Eschscholzia glyptosperma Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 826 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' Old mine access road 534 Comment
  SD258461  Eschscholzia minutiflora J. M. Andre 2013-3-27 24834 Riverside Riverside Mountains; along Wilson River Crossing Rd, 0.8 mile east of Highway 95, 12.4 miles south of Vidal Jct. Sandy bluffs above Colorado River flood plain. 114 Comment
  UCR85151  Eschscholzia minutiflora A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16093 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  CSUSB959  Eschscholzia parishii Glen W. Forister 1967-3-23 Riverside Cottonwood Canyon. Found along the side of the stream on the west-facing bank of the hill, about 0.5 mile past the end of the good road. 609 Comment
  RSA124409  Eschscholzia parishii Percy C. Everett, E. K. Balls 1958-4-29 23013 Riverside Hwy 60/70, Indio to Blythe, 1 mile W of Cactus City. 549 Comment
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Mar 20 2011
  RSA703477  Eschscholzia parishii LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda L. Worlow 2005-2-17 1421 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  UC855187  Eschscholzia parishii Alice Eastwood 1913-4-30 3080 Riverside Palm Springs Palm Canyon Comment
  UCR279520  Eschscholzia parishii A. C. Sanders, Jim Malusa 2017-3-27 43120 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
  UCR140735  Eucalyptus camaldulensis A. C. Sanders 2004-5-12 27858 Riverside Elsinore Basin Region, Alberhill Mountain, northwest foot near Lake St. at Alberhill 378 Comment
  UCR241792  Eucalyptus camaldulensis A. C. Sanders, Timothy W. Chumley 2013-3-29 40711 Riverside Peninsular Range; Elsinore Area, Alberhill, Lake St. at Riverside Co. conservation reserve, 0.28 km south of intersection with Temescal Canyon Rd. 378 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
  UCR260606  Eucalyptus tereticornis A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-3 41560 Riverside Peninsular Range, Eastern Foot of the Santa Ana Mtns., Temescal Canyon NW of Horsethief Canyon Rd. along DePalma Rd., SE of Glen Eden Rd. and south of the east end of Lee (Corona) Lake, south side of I-15 370 Comment
  HSC78513  Eucrypta chrysanthemifolia Rodney Hendrick 1965-3-14 Riverside Box Canyon about 8 mi. E of Mecca 183 Comment
  RSA612610  Eucrypta chrysanthemifolia D. L. Banks, Victor W. Steinmann 1997-3-13 1495 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  UCR116971  Eucrypta chrysanthemifolia A. C. Sanders, T. B. Salvato 2001-5-3 24096 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  RSA594775  Eucrypta chrysanthemifolia var. chrysanthemifolia D. L. Banks, Dylan Hannon 1996-5-3 968 Riverside Agua Tibia Mountains; Foothills S of Hwy. 79, E of the Dripping Spring Campground, approximately 150 m SE of the Helipad at the upper camp sites. 524 Comment
  UC1618027  Eucrypta chrysanthemifolia var. chrysanthemifolia Donald G. Nelson 1936-5-22 390 Riverside along trail from Ribbonwood Camp down to Palm Canyon (Pines to Palms Hwy, near base of Santa Rosa Mountains) Comment
  UCR151046  Euonymus occidentalis var. parishii Scott D. White 1998-7-31 6946 Riverside San Jacinto Mts., Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park 1951 Comment
  UCR176674  Euphorbia G. S. Nuessly 1980-10-14 s.n. Riverside Riverside: U.C. Riverside campus, above Picnic Hill 351 Comment
  VVC2056  Euphorbia abramsiana Tim Thomas, Alice Karl 2011-10-18 5526 Riverside Sonoran Desert, Hayfield Lake 4 miles east of Chiriaco Summit; just north of Hwy 10. In northwest portion of lake bed. 437 Comment
  UCR112314  Euphorbia albomarginata A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23444 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
  UCR174244  Euphorbia albomarginata A. C. Sanders, T. B. Salvato 2006-6-2 33074 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UC187061  Euphorbia eriantha S. B. and W. F. Parish Apr 1882 Riverside mountains back of Agua Caliente Colorado Desert (Andreas Canyon) Comment
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Jul 15 2009
  UCR264217  Euphorbia eriantha A. C. Sanders, Jim Malusa 2015-9-10 41864 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
  POM8190  Euphorbia incisa P. A. Munz, R. D. Harwood 1920-4-5 3556 Riverside Fig Tree John Springs, near Mecca. -46 Comment
  RSA0042828  Euphorbia jaegeri Duncan S. Bell, Deidre Conocchioli 2014-3-18 6250 Riverside Orocopia Mountains; southern/central section of range; approximately 1.25 air miles northwest of Gucci Spring. 511 Comment
  SD181559  Euphorbia micromera Louis C. Wheeler 1965-6-27 8690 Riverside Corona; Overboltzer's Grove. Comment
  UCD142706  Euphorbia polycarpa G. L. Webster; R. Hildreth 1966-12-10 7468 Riverside Box Canyon Wash, c. 7-8 mi NE of Mecca on Cal. 195. 198 Comment
  UCR112556  Euphorbia polycarpa A. C. Sanders 1998-3-17 21747 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, south of Hemet 343 Comment
  UCR166022  Euphorbia polycarpa Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  UCR250118  Euphorbia polycarpa A. C. Sanders 2014-4-23 41052 Riverside Peninsular Range, Gavilan Hills, toward eastern end of Concordia Ranch Rd. at edge of Temescal Valley, above I-15 390 Comment
  UCR97254  Euphorbia polycarpa Scott D. White, Julie Greene 1997-3-12 4787 Riverside Perris Basin, Sun City, near Interstate Hwy 215, south of Perris and north of Menifee, low hills east of Bavaria Drive 488 Comment
  JOTR35986  Euphorbia setiloba Harding, Mitzi, Mark Wheeler 2012-9-4 197 Riverside Joshua Tree National Park. Pinto Basin; active wash between rocky/ gravelly hills west of Pinto Mtn (stop 3) 479 Comment
  RSA588594  Euthamia occidentalis D. L. Banks, Steve Boyd 1995-10-17 0805 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
  RSA736731  Euthamia occidentalis Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10686 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
  CAS-BOT-BC167375  Fagonia laevis Edmund C. Jaeger 1922-3-22 s.n. Riverside Painted [Canon] Canyon, Colorado Desert Comment
  RSA11580  Fagonia laevis N. Dunn, A. M. Martin 1932-3-26 s.n. Riverside Cottonwood Springs. Comment
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Sep 11 2011
  SEINET3071532 Image available Fagonia laevis Andrew C. Sanders, L. Lubinsky, A. Knapp, P. J. MacKay & C. L. Sanders 1995-1 15922 Riverside Sonoran (Colorado) Desert; Coachella Valley, mouth of Fargo Canyon, Little San Bernardino Mtns., 1.2 mi. above junction with Aqueduct Road. 370 Comment
  UCR130121  Fagonia laevis Scott D. White 2001-4-3 8255 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
  RSA784766  Fagonia pachyacantha Duncan S. Bell 2012-3-18 3170 Riverside Mecca Hills; southeastern section of hills; up a side canyon of the east fork of Hidden Springs Canyon, approximately 1.5 air mile southwest of Hidden Spring. 129 Comment
  UCR99208  Fatoua villosa Steve Morgan 1990-11-30 s.n. Riverside Riverside, UCR Botanical Garden 366 Comment
  UCR92220  Festuca microstachys D. L. Banks, Steve Boyd 1995-5-9 0394 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, west of the Dripping Springs Alcove, west of Woodchuck Campground. 701 Comment
  UCR116918  Festuca myuros A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23953 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  UCR202438  Festuca myuros 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
  RSA528883  Festuca occidentalis M. Curto, Linda Allen 1991-6-26 771 Riverside 3km SE of Pine Cove on San Bernardino NF road 5S10. Comment
  RSA0120329  Festuca octoflora Duncan S. Bell, Thomas Stoughton 2016-4-14 9289 Riverside Santa Rosa Mountains; near the head of Deep Creek and near the trailhead of the Cactus Spring Trail, at an old mining area above this trail. 1219 Comment
  CAS-BOT-BC474730  Ficus microcarpa R. E. Riefner, Jr. 2015-8-8 15 -220 Riverside City of Corona, S side of 91 Freeway, ca 120 ft. W of Lincoln St., N side of Corona del Rey Apartments 210 Comment
  UCR274791  Fouquieria splendens April Garbat, Sarah J. De Groot 2013-4-9 044 Riverside Sonoran (Colorado) Desert, along Graham Pass Rd near intersection with Chuckwalla Valley Rd. 416 Comment
  UCR96124  Fouquieria splendens B. G. Pitzer 1996-11-9 2922 Riverside Sonoran (Colorado) Desert, Orocopia Mtns: Bob's Cabin, c. 4 road mi. north of Salt Creek Road (on SR211) & 4.5 air mi. south of the W end of Hayfield Lake. 610 Comment
  GMDRC6576  Frangula californica subsp. cuspidata J. M. Andre 2012-6-15 30533 Riverside San Jacinto Mountains: along Hwy 243, 10.7 mi. south of Interstate 10 (Banning); SB Natl. Forest 1499 Comment
  UCR272492  Frankenia salina Mitch Provance 2013-6-16 613- 21 Riverside Santa Ana River Valley, City of Riverside, Arlanza neighborhood, Foothill Elementary School on Wells Avenue, about 0.4 mi W of Van Buren 226 Comment
  RSA392141  Frasera parryi Anstruther Davidson 1876-6-7 s.n. Riverside Strawberry Valley. San Jacinto Mt. Comment
  HSC25928  Fraxinus dipetala Richard Spjut 1972-3-14 2270 Riverside San Jacinto Mtns., Rte. 1 from Hwy. 10 to Idylwild 915 Comment
  RSA735358  Fraxinus dipetala Keith E. Hoffmaster 1934-4-8 155 /180 Riverside Santa Ana Mts. Comment
  CAS-BOT-BC211021  Fraxinus velutina J. Ewan 1931-10-3 517 Riverside Santa Ana River, 4 mi. N.W. of Corona Comment
  SD186260  Fraxinus velutina A. C. Sanders, O. F. Clarke 1991-6-10 11135 Riverside Viverside, along Spring Brook between Lake Evans and the Santa Ana River. 238 Comment
  RSA736787  Funastrum cynanchoides var. cynanchoides Scott D. White, Angelia Carey 2004-7-2 10549 Riverside Soboba Indian Reservation, Poppet Creek Canyon. 549 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
  JOTR31809  Funastrum hirtellum La Doux, Tasha, Bill Truesdell 2007-11-9 2517 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park, open bajada below mouth of Lost Palms Canyon (Stop 2) 601 Comment
  RSA458595  Funastrum hirtellum Robert Gustafson 1980-4-3 1515 Riverside Orocopia Mountains, about 15 miles E of Mecca on Box Canyon road, thence about 2 miles S along dirt road 579 Comment
  RSA0127736  Galium andrewsii M. M. Fuller 1993-5-8 s.n. Riverside S of Beaumont, about 2 mi S of [Interstate] 10 and 1 mi E of [Highway] 79. Comment
  RSA609658  Galium andrewsii subsp. andrewsii R. S. Woglum 1937-5-22 554 Riverside Santa Rosa Mountains. Comment
  SD186323  Galium angustifolium subsp. angustifolium Andy C. Sanders 2004-4-20 27526 Riverside Santa Rosa Plateau; 0.5 km west of Tenaja Road and north of the San Diego County line 640 Comment
  SDSU13556  Galium angustifolium subsp. angustifolium W. Miller with C. Mosse 1972-7-11 Riverside 150 yards upstream; pass rock slide near oak tree. Comment
  RSA613127  Galium aparine D. L. Banks 1997-3-6 1397 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
  UCR108396  Galium aparine D. L. Banks, V. W. Steinmann 1997-3-13 1463 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  RSA706294  Galium californicum subsp. primum Naomi S. Fraga, Sarah J. De Groot, Valerie Soza 2004-6-28 1284 Riverside Along Red Hill Road (5S10) near Alvin Meadows, southwest of Pine Cove. 1616 Comment
  JOTR35471  Galium multiflorum Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-26 74 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W. of Juniper Flats 1389 Comment
  JEPS52916  Galium porrigens var. porrigens Lauramay T. Dempster and G. L. Stebbins 1965-6-17 4132 Riverside s Idyllwild (on road to Alvin Meadow) Comment
  UCSB6259  Galium stellatum Haller, John 1960-4-2 Riverside Lower slopes of Orocopia Mountains 1.5 mi S of the junc. of U.S. highway 60-70 and the S entrance road to Joshua Tree Natl. Mon. 579 Comment
  POM9333  Galium stellatum Mary F. Spencer 1920-3-27 745 Riverside Palm Springs. 122 Comment
  UCR25406  Galium stellatum subsp. eremicum John C. Roos, Lucille Roos 1949-4-6 4144 Riverside Sonoran (Colorado) Desert, Canyon in the Orocopia Mountains, 2.5 mi. NE of Dos Palmas Spring 152 Comment
  UC1417535  Galium stellatum var. eremicum J. L. Strother 1973-3-24 1158 Riverside above Chiriaco Summit; Joshua Tree National Monument, Lost Palms Canyon Comment
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Mar 26 2011
  UC889025  Galium stellatum var. eremicum C. L. Hitchcock 1940-3-30 5870 Riverside Cottonwood Spring Comment
  UCR88574  Gamochaeta stagnalis A. C. Sanders, J. C. Lyman 1995-4-16 16566 Riverside San Bernardino Valley, Glen Avon: sand dune area on N slope of the Jurupa Hills (draining toward Fontana), Pyrite St. Canyon 335 Comment
  RSA577513  Garrya veatchii D. L. Banks, Steve D. Boyd 1995-1-18 42 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness. N slope of Agua Tibia Mnt., W of Wild Horse Peak, along the Dripping 963 Comment
  SD152991  Gastridium phleoides Steve Boyd 1992-4-23 7063 Riverside 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
  CDA5433  Geraea canescens T. C. Fuller 1961-1-1 5495 Riverside Frontage road, Thousand Palms. 0 Comment
  POM30737  Geraea canescens Marcus E. Jones 1903-5-8 s.n. Riverside Indio. -7 Comment
  POM47485  Geraea canescens Mary F. Spencer 1920-3-11 1482 Riverside In desert sand, Mecca -60 Comment
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Nov 8 2011
  SEINET7910438  Geraea canescens P. L. Packard 1976-1 25 Riverside 6 mi W of Blythe on Interstate 10 Comment
  UC912521  Geraea canescens Margaret Stason 1927-2-12 Riverside 1000-Palm Canyon Colorado Desert, 1000-Palm Canyon Comment
  UCR33548  Geraea canescens Faulkner 1978-3-30 407 Riverside Sonoran (Colorado) Desert, 1 mi north of Riverside Mtns., bench area, 4 mi south of Vidal 146 Comment
  JEPS61457  Geranium californicum W. L. Jepson 2299 Riverside Tauquitz Valley San Jacinto Mt. 2286 Comment
  RSA180450  Geranium dissectum E. W. Lathrop 1965-5-30 5783 Riverside 6 miles W of Murrieta. Comment
  RSA598677  Geranium richardsonii Louis C. Wheeler 1948-8-28 6701 Riverside San Jacinto Mountains. Wellman's Cienega. 2896 Comment
  RSA783431  Gilia abrotanifolia J. D. Olmsted 1962-5-2 438 Riverside By saddle just N of highest part of Box Spring Mountains. 777 Comment
  UCR120579  Gilia angelensis Steven R. Hill, K. Kramer 2001-4-27 33475 Riverside Sonoran (Colorado) Desert Edge; San Gorgonio Pass, Cabazon, Morongo Indian Reservation, at Hadley's Orchard Store, junction of Apache Trail and Seminole Drive, north of Hwy I-10, Apache Trail Exit, 4 mi east of Banning 560 Comment
  UCR135992  Gilia angelensis Virginia Moran 2003-3-12 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
  UCR96813  Gilia angelensis Scott D. White 1993-3-12 1181 Riverside Near Winchester 466 Comment
  UC908922  Gilia capitata subsp. abrotanifolia Herbert L. Mason 1926-5-2 3196 Riverside Temecula Valley Comment
  JEPS48799  Gilia latifolia Marjorie D. Clary 1932-4-12 960 Riverside Coral Reef Canyon Comment
  RSA0017099  Gilia ochroleuca subsp. exilis Scott D. White, Justin M. Wood 2008-6-18 12238 Riverside San Jacinto Mountains: Meadow N/W of Keen Camp Summit, S/W of hwy 79. 1402 Comment
  RSA0017265  Gilia ochroleuca subsp. exilis T. B. Salvato 2004-5-27 587 Riverside Head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp. 1402 Comment
  SD233900  Gilia scopulorum A. C. Sanders, E. J. Lawlor 1992-4-4 12145 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring; alluvial slopes below and to the south, and canyon bottom above the spring. 244 Comment
  RSA771780  Gilia sinuata Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5034 -c Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010 750 Comment
  JOTR30802  Gilia stellata La Doux, Tasha 2008-3-10 1823 Riverside Joshua Tree National Park. Northwest end of Eagle Mountains, near road to Cottonwood Canyon 898 Comment
  JOTR34200  Gilia stellata La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2992 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  RSA469731  Gilia stellata M. B. Dunkle 1935-3-31 4430 Riverside Pinto Basin. 915 Comment
  RSA657243  Gilia stellata J. Mark Porter, Valerie Soza, Gary D. Wallace 2001-4-2 12342 Riverside Coachella Valley, Desert Hot Springs, 0.15 mi S of Mission Lakes, on Verbena Drive. 427 Comment
  SD38838  Gilia stellata Edith A. Purer 1935-4-21 6485 Riverside Western edge of Colorado Desert. Comment
  UCR146271  Gilia stellata J. M. Porter, Et al. 2001-4-2 12343 Riverside Colorado Desert; Western Colorado Desert region, Coachella Valley, c. 1 mi east of Desert Hot Springs, Long Canyon, on W side of Long Canyon Road 396 Comment
  UCR275446  Gilia stellata Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-3-30 919 A Riverside Sonoran (Colorado) Desert, McCoy Wash, east side of McCoy Mountains, pavement plain, c. 7 miles north of I-10 335 Comment
  SD134486  Githopsis diffusa Craig Reiser 1989-4-19 Riverside Near intersection of De Portola Road and Colt Road Comment
  UCR167865  Gnaphalium californicum T. B. Salvato, Melissa Clemons 2005-6-2 1351 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
  UCR166169  Gnaphalium canescens John F. Green 2005-2-10 s.n. Riverside Peninsular Range, E of Temecula, Rancho California, SE of intersection of Mesa Verdugo and Calle Vista, N of Pauba Valley and south of Buck Mesa 430 Comment
  UCR199722  Gnaphalium canescens Scott D. White, Angelia Carey, Linda Archer 2004-8-5 10671 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Indian Creek and adjacent uplands, from confluence with San Jacinto River to c. 2 miles upstream 610 Comment
  RSA708178  Gnaphalium luteoalbum Scott D. White, Angelia Carey 2004-5-7 10322 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 549 Comment
  UCR160843  Gnaphalium luteoalbum T. B. Salvato, Kelly Volansky 2003-3-27 119 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  RSA656554  Gnaphalium palustre A. C. Sanders 2000-5-25 23420 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
  RSA788877  Gnaphalium palustre Gary D. Wallace 2003-7-8 4047 Riverside Hidden Lake. Comment
  RSA91697  Gnaphalium palustre F. W. Peirson 1930-5-10 8769 Riverside Roadside, on Hemet Plateau near March Field, between Riverside and Perris. 457 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
  SD51723  Gutierrezia californica Otto T. Solbrig 1958-8-20 2775 Riverside 1.0 mile from Palm Spring-Palm Desert Highway near entrance to Tahquitz Canyon Comment
  UCR136160  Gutierrezia californica A. C. Sanders 2004-6-20 28212 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 305 Comment
  UCR23826  Gutierrezia californica John C. Roos 1965-9-26 s.n. Riverside Sonoran (Colorado) Desert, rocky point near Palm Springs Station [Windy Point?] Comment
  UCR92219  Gutierrezia californica D. L. Banks, Steve Boyd 1995-10-26 0828 Riverside NW Palomar Mtns., Agua Tibia Mts., Cleveland Nat'l Forest, west of the Woodchuck trail. 0.8 mi from Wilderness Boundary 744 Comment
  RSA0104498  Gutierrezia sarothrae Duncan S. Bell 2015-9-30 8657 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  UCR128914  Hedypnois cretica A. C. Sanders, Mitch Provance 2001-4-5 23914 Riverside Perris-Aguanga Basin region, Long Canyon, Temecula, between gas pipeline route and 'windmill,' south of BM 1221 366 Comment
  RSA511060  Helianthemum scoparium var. scoparium Ed LaRue 1989-6-14 s.n. Riverside E edge of Plateau overlooking town of Murrieta; ca 1.25 mi W of town and ca 1 mi (airline) E of De Luz Road 549 Comment
  POM319674  Helianthus annuus subsp. lenticularis Patricia Wilder 1971-9-29 5270 Riverside Base of the San Jacinto Mountains, east of Hemet on north side of Valle Vista at north end of Fairview Street, north of Florida Street; at boundary of Soboba Indian Reservation. 518 Comment
  SBBG81104  Helianthus gracilentus N. M. Fellows, A. C. Sanders 1985-5-7 177 Riverside Oasis de los Osos Preserve, off Snow Crk Cyn at the N foot of the San Jacinto Mtns, 1 mi W of Snow Crk Village 487 Comment
  SEINET269528  Helianthus gracilentus Scott D. White, Steve Myers; S. Ogg M. Wilcox 1995-6-16 3330 Riverside Lake Elsinore Pumped Storage hydroelectric project. Steep northeast facing mountain slope west of Lake Elsinore southe 396 Comment
  UC1523682  Helianthus gracilentus Robert F. Thorne, Walter Wisura, Earl Lathrop, and Sara Meury 1985-5-18 60625 Riverside burned-over chaparral along Clinton Keith Road (near base of plateau); Santa Rosa Plateau 430 Comment
  SBBG8403  Helianthus niveus H. and M. Dearing 1942-2-24 4803 Riverside Cathedral City, near Palm Springs Comment
  UCSB9945  Helianthus nuttallii Philbrick, Ralph 1954-10-24 Riverside Four miles south of Chino Institute 213 Comment
  UCR107871  Helianthus petiolaris D. C. Hawks 1997-9-13 s.n. Riverside San Bernardino Valley, Near Ontario [SBdno Co.], SE of intersection of Mission Ave. & Milliken Ave. [just east of county line] Comment
  UCR281806  Heliotropium curassavicum Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-4-19 417- 98 Riverside Menifee Valley, Menifee, W side of Murrieta Rd., between Melido St. and Wickerd Rd. 482 Comment
  UCR82242  Heliotropium curassavicum J. M. Stewart 1994-5-2 862 Riverside Western Colorado Desert, Coachella Valley, Thermal. Tyler St. and Airport Blvd. Comment
  UCSB5611  Heliotropium curassavicum Feudge, J.; Kraebel, C. 1930-7-23 Riverside North of Riverside Comment
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Mar 22 2014
  CAS-BOT-BC540729  Heliotropium curassavicum var. oculatum Sarah J. De Groot; Amy Rouillard 2015-9-15 7558 Riverside Ford Dry Lake, Chuckwalla Valley, N of I-10 106 Comment
  RSA653356  Heliotropium curassavicum var. oculatum Robert MacGregor 1984-5-19 2 Riverside Lake Elsinore, CA Hwy 74, 1 mile W of junction with 15W Fwy, N side of road. Comment
  CAS-BOT-BC314980  Hemizonella minima Munz; Street; Williams 1919-5-30 2828 Riverside Dark Canyon, Pine Crest, San Bernardino Mts. Comment
  UC62905  Hemizonella minima H. M. Hall May 17, 1901-June 1, 1901 1802 Riverside Strawberry Valley San Jacinto Mt. 1600 Comment
  RSA725741  Hemizonia fasciculata Mitch Provance 2005-5-18 9811 Riverside Warm Springs Valley: Nichols road wetland area at Alberhill Creek, S of the I-5 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
  UCR260553  Hemizonia fasciculata T. B. Salvato, Matt Malle 2014-5-29 8017 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Cottonwood Hills (= Sunset Ave), c. 1 mi west of Murrieta Rd and 4.3 mi southeast of Canyon Lake 534 Comment
  RSA714435  Hemizonia kelloggii A. C. Sanders 2004-5-12 27888 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  UCR140717  Hemizonia kelloggii A. C. Sanders 2004-5-12 27888 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  RSA678267  Hemizonia mohavensis Valerie L. Soza, S. D. Boyd, Neil Gilbert 2000-12-6 1068 -b Riverside Keen Camp Road, east of Hwy 74, west of entrance gate to Camp Tahquitz Meadows. 1341 Comment
  RSA192325  Hemizonia paniculata E. W. Lathrop 1967-5-14 s.n. Riverside 1-2 miles SW of Murietta Comment
  CDA6984  Hemizonia pungens subsp. laevis P. E. Hitchcock 1973-6-26 Riverside San Jacinto Valley area. 0 Comment
  RSA550494  Hemizonia pungens subsp. laevis D. E. Bramlet 1991-6-18 2193 Riverside The population is approximatly 762m. west of the San Jacinto River. The site is some 395m. east of the intersection of Pozos Ave. and MWD Colorado aqueduct easment Road., This population is found some 2m. south of the road and on the margin of a small marsh area 433 Comment
  RSA439269  Hesperolinon micranthum Robert Gustafson, Gary D. Wallace 1983-6-23 2725 Riverside along Clinton Keith Road, ca 2.5 miles from its junction with Highway 15, Santa Ana Mountains Comment
  UCR163989  Heteromeles arbutifolia 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
  SD136915  Heterotheca grandiflora Steve Boyd, Tim Ross and Dave Bramlet 1992-9-9 7675 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area; upper San Mateo Canyon, from the junction of Tenaja Road and Los Alamos Road. Comment
  UCR151066  Heterotheca grandiflora Scott D. White 1998-6-17 6747 Riverside Peninsular Ranges; Gavilan Hills, along Gavilan Rd. or Santa Rosa Mine Rd.; c. 7 mi survey route from Gavilan/ Cajalco Rd. junction. south and east to Santa Rosa Mine/ Post Rd. junction 671 Comment
  UCD133090  Heterotheca sessiliflora subsp. echioides Scott D. White; Angelina Carey 2004-9-16 10755 Riverside San Jacinto Mountain: along Poppet Creek NE of San Jacinto River. 561 Comment
  GMDRC9802  Hibiscus denudatus J. M. Andre 2017-3-1 38016 Riverside Eagle Mountains: south end of range, 2.8 mi. north of Interstate 10 at Hayfield Rd exit 506 Comment
  JOTR35051  Hibiscus denudatus La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3503 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road. South-facing bajada with shallow Sonoran desert riparian corridors among desert pavement. Comment
  UCR241550  Hibiscus denudatus A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40636 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit 410 Comment
  CAS-BOT-BC318754  Hieracium horridum Louis C. Wheeler 1931-10-3 191 Riverside Tahquitz Peak, San Jacinto Mts. 2682 Comment
  CAS-BOT-BC318753  Hieracium horridum Edmund C. Jaeger 1924-7-3 s.n. Riverside Strawberry Valley, San Jacinto Mts. 2194 Comment
  RSA405280  Hoffmannseggia glauca N. C. Cooper 1949-4-8 3322 Riverside Blythe. 259 Comment
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Nov 20 2011
  CLARK-A1528-477  Hoffmannseggia microphylla Charlotte Stocks 1962-5-13 Riverside La Quinta Comment
  RSA0118061  Hoffmannseggia microphylla Sarah J. J. De Groot, Thomas Stoughton 2016-2-18 7618 Riverside Mecca Hills: side canyon (east fork) of Painted Canyon. 182 Comment
  UCSB3071  Hoffmannseggia microphylla Haller, John 1960-4-2 Riverside Along U.S. 60-70, about 9 miles east of Indio Comment
  UCSB3081  Hoffmannseggia microphylla Beeks, Richard 1952-4-4 Riverside Seven miles north of Mecca in Box Canyon Comment
  UCR272477  Hordeum depressum Mitch Provance 2012-4-12 412- 23 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
  RSA601787  Hordeum intercedens D. E. Bramlet 1997-3-13 2497 Riverside Nichols Road Wetlands. This site is located aproximatly 183 m. southeast of Nichols Road, 91m west of Collier Ave. and 196m west of I-15., The locality is east of the existing dirt road extending south from Nicholas Rd. and adjacent to Alberhll Creek. 381 Comment
  UCR269909  Hordeum intercedens D. E. Bramlet, Amy Hills, R. E. Riefner Jr., Russell Huddleston 2005-3-2 3652 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
  RSA644635  Hordeum murinum subsp. leporinum Scott D. White 1993-3-12 1145 Riverside San Jacinto Valley: between aqueduct and Warren Road. 457 Comment
  POM20018  Horkelia clevelandii Mary F. Spencer 1923-6-20 2199 Riverside Idyllwld. 1646 Comment
  HSC79039  Hornungia procumbens A. C. Sanders 1985-3-7 5403 Riverside San Jacinto Valley, salt scald in barley fields 0.25 mi. S of the intersection of Bridge St. and Gilman Springs Rd. 457 Comment
  CLARK-A1528-4948  Hulsea heterochroma John C. Roos 1942-6-20 1274 Riverside San Jacinto Mountains Comment
  RSA587420  Hulsea heterochroma D. L. Banks, S. D. Boyd 1995-6-2 0564 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 in S32. 902 Comment
  CAS-BOT-BC312585  Hulsea vestita subsp. callicarpha Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  JOTR01267  Hulsea vestita subsp. parryi Cole, James E. 1941-5-30 831 A Riverside Joshua Tree National Park. QUAIL MOUNTAIN 1493 Comment
  UCR17007  Hydrocotyle umbellata O. F. Clarke 1975-7-21 s.n. Riverside Riverside, UCR Botanical Garden beside a pond 400 Comment
  RSA771744  Hymenoclea salsola Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4762 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 600 Comment
  UCR21913  Hypochaeris glabra Steve Boyd 1980-5-8 s.n. Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 625 Comment
  CAS-BOT-BC219754  Hyptis emoryi Masters 1906-4-8 6610 Riverside Palm Springs Comment
  POM283419  Hyptis emoryi Lyman Benson 1933-3-31 4184 Riverside Beginning of Hemet Road [presumably Hwy 74 on desert side, Deep Cyn.] Colorado Desert watershed. 549 Comment
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Feb 26 2008
  RSA420167  Hyptis emoryi H. de Forest 1924-4-18 s.n. Riverside Tahquitz Canyon. Comment
  RSA651634  Hyptis emoryi David B. Dunn, H. Lint 1955-4-1 11843 Riverside Pushawalla Canyon, Indio Hills. Comment
  RSA678349  Hyptis emoryi Steve Boyd, Amber Maurice, Pesach Lubinsky, Lel Lubinsky 2003-4-17 10463 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
  SEINET10498863  Hyptis emoryi David B. Dunn 1947-2-9 Dunn 2855 Riverside Pushawalla canyon, indio hills. In dry wash bed. Comment
  SEINET12330780  Hyptis emoryi W. Knight, Knight, I.; Vale, J.; Wagnon, K. 1983-1 5516 Riverside Eagle Mts., on Power Line Rd, 383 Comment
  CAS-BOT-BC311614  Isocoma acradenia var. eremophila S. B. Parish 1912-10-8 8353 Riverside Salton Basin. Indio -6 Comment
  POM359530  Isocoma acradenia var. eremophila L. C. Wheeler 1931-11-27 375 Riverside 5 miles SE Mecca. -61 Comment
  SD227747  Isocoma menziesii var. vernonioides A. C. Sanders, K. C. Rose 1998-9-29 22244 Riverside San Jacinto Valley: west edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills 459 Comment
  RSA0011198  Juglans californica A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37141 Riverside Box Springs Mtns. Foothills, Riverside, eastern side of UCR Campus in canyon below botanical garden 320 Comment
  UC2015650  Juglans californica Scott D. White 1995-3-30 2683 Riverside San Jacinto Valley. Moreno Valley; base of Badlands slopes, N of Highland Bl. and W of Theodore St. Comment
  RSA336180  Juncus bufonius Robert F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 51978 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  UCR167845  Juncus bufonius T. B. Salvato, Melissa Clemons 2005-6-2 1348 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
  UCR171139  Juncus bufonius John F. Green 2005-5-17 s.n. Riverside Perris-Aguanga Basin, Markham Pit; Gravel pit on SE corner of Markham Street and Day Street, south of March Air Force Base 537 Comment
  RSA719775  Juncus duranii Naomi Fraga, Ilene Anderson, Mike Hamilton, Michael Wall, Gary Wallace 2006-9-7 1775 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  RSA268209  Juncus effusus subsp. austrocalifornicus M. B. Dunkle 1933-7-21 3722 Riverside Idyllwild 1616 Comment
  UCR48216  Juncus luciensis R. F. Thorne, E. W. Lathrop 1975-5-20 45498 Riverside Santa Rosa Plateau, Santa Ana Mountains, Rancho California, Mesa de Burro 610 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
  UCR195132  Juncus oxymeris A. C. Sanders, Tim Thomas 2008-8-1 35953 Riverside Peninsular Range; San Jacinto Mtns., lower Coldwater Creek near Mountain Center, SSE of Keenwild Fire Station 1372 Comment
  RSA0086968  Juncus rugulosus H. de Forest, Jack Rempel 1933-10-29 s.n. Riverside Snow Creek Canyon, San Bernardino Mts. 541 Comment
  UCR125764  Juncus textilis A. C. Sanders, Lowell J. Bean, Pesach Lubinsky, et al 2003-1-10 25659 Riverside San Jacinto Mountains, Bautista Canyon, c. 3/4 mile above the Horse Canyon confluence, near beginning of Alessandro Trail 884 Comment
  CAS-BOT-BC123242  Juncus tiehmii Barbara J. Ertter; Jeffrey L. Strachan 1979-6-26 2971 Riverside San Bernardino National Forest, San Jacinto Mountains 762 Comment
  JOTR30096  Juniperus californica La Doux, Tasha, Alice Miller 2007-5-8 1736 Riverside Joshua Tree National Park. Stop 1: Along Key's View Rd., common 1385 Comment
  RSA352500  Juniperus californica P. J. Remple 1942-3-21 s.n. Riverside Whitewater Canyon. Near head of small canyon. Comment
  SEINET7883484 Image available Juniperus californica Lewis S. Rose 1936-1 36810 Riverside 24 mi SW of Indio, Palms to Pines Highway, San Jacinto Mts 1067 Comment
  CAS-BOT-BC234595  Justicia californica Jeanne R. Janish 1953-1-7 1026 Riverside Mecca Wash - Mecca (Box Canyon) Comment
  JOTR31775  Justicia californica Andre, Jim, Tasha La Doux 2009-3-10 11245 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
  RSA777824  Justicia californica Jim Andre, G. L. Clifton 2011-2-22 17456 Riverside Mecca Hills; along Box Canyon Road, 10.3 miles NE of town of Mecca. 219 Comment
  SBBG68768  Justicia californica M. N. Ackley 1928-4-24 Riverside Palm Springs 182 Comment
  SFV8413  Justicia californica G. L. Webster, W. R. Hildreth 1966-12-10 7461 Riverside Mojave Desert Joshua Tree National Monument, upper part of Cottonwood Canyon, gravelly desert wash. 793 Comment
  SJSU127  Justicia californica C. D. Duncan 1933-3-25 Riverside between Mecca & Shavers Well Comment
  UC1329995  Justicia californica James E. Cole 1941-3-30 455 Riverside Cottonwood Spring Wash Joshua Tree Nat'l Monument, Cottonwood Spring Wash Comment
  UC447180  Justicia californica J. Ewan 1931-4-4 4145 Riverside 5 mi. e. Desert Center; Colorado Desert Comment
  CAS-BOT-BC235499  Keckiella antirrhinoides C. W. Tilforth 1969-7-24 215 Riverside Along Red Mountain Road, east of County Hiway R-3, south of Hemet Comment
  OBI9298  Keckiella antirrhinoides Tracey & Viola Call, Viola Call 1962-4-13 2125 Riverside Tin Mine Cyn near Corona 351 Comment
  POM4275  Keckiella antirrhinoides Philip A. Munz 1918-4-27 2139 Riverside Temescal Canyon. Comment
  RSA180262  Keckiella antirrhinoides E. W. Lathrop 1965-5-18 5751 Riverside 8 miles W of Murrieta; hills around 300 ft high. 610 Comment
  SD234523  Keckiella antirrhinoides Wayne Law, Jun Hu 2000-5-16 13 Riverside Peninsular Ranges; Santa Ana Mtns.: Eastern edge of Cleveland National Forest, above Temescal Valley in Indian Canyon, 11.8 mi S of Corona. 395 Comment
  UC1012296  Keckiella antirrhinoides F. W. Pennell and A. L. Grant Apr 28 1940-Apr 29 1940 25290 Riverside below Ribbonwood (Route 74, e of San Jacinto Range) 1402 Comment
  SBBG87641  Keckiella antirrhinoides subsp. antirrhinoides A. C. Sanders, B. Pitzer 1986-4-30 6474 Riverside lower Bee Cyn, 0.2 mi above the mouth of cyn Comment
  RSA400444  Keckiella cordifolia H. de Forest, Jack Rempel 1933-6-25 18022 Riverside Along road to Banning, San Jacinto Mts Comment
  UCR24469  Keckiella rothrockii subsp. jacintensis John C. Roos 1937-8-18 2534 Riverside San Jacinto Mtns, Hidden Lake Comment
  UCR178834  Keckiella ternata Tracy Tennant 1998-8-28 MOR- 703 Riverside San Jacinto Mtns., along Hwy 243 opposite (west of) McMullen Flat, tree stand A01 1220 Comment
  UCR268282  Keckiella ternata subsp. ternata Jim Andre 2012-6-15 30508 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243 at Mount Edna Road, c. 1 mile north of McMullen Flat, 5.9 miles south of Hwy I-10 at Banning 1172 Comment
  RSA740950  Koeleria macrantha Scott D. White, Justin M. Wood 2008-6-19 12271 Riverside Meadows at Baldy Mtn. 1585 Comment
  UC38701  Koeleria macrantha H. M. Hall June, 1901 2066 Riverside s side San Jacinto Mountains; s side San Jacinto Mountains 1524 Comment
  UCD86081  Koeleria macrantha H. M. Reed 1932-7-3 7294 Riverside San Jacinto Mts., Camp Emerson. Comment
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May 1 2011
  RSA0029090  Koeleria macrantha John F. Emmel 1994-5-21 1307 Riverside West Ridge, SW of Idyllwild; slope 0.1 air mi NW of Inspiration Point. 1598 Comment
  UCSB7292  Krameria bicolor Haller, Norman 1953-5-24 Riverside 10 miles So. of Palm Springs Indio Rd. Palms to Pines Hiwy 74 914 Comment
  JOTR36083  Krameria erecta La Doux, Tasha, A. Johnson, A. Miller, T. Vaughn 2007-10-25 3311 Riverside Joshua Tree National Park. Pinto Mtn foothills, San Bernardino Wash, approx. 0.75 km south of Sunset Mine (STOP4). 475 Comment
  UC604869  Krameria erecta Roxana S. Ferris and Ruth P. Rossbach 1938-5-15 9560 Riverside in wash 1 mi below Cottonwood Springs; below Cottonwood Springs Comment
  CLARK-A1656-808  Krameria grayi Jon Mark Stewart 1982-5-15 Riverside San Jacinto Mountains 975 Comment
  RSA0040096  Krameria grayi Duncan S. Bell, Deidre Conocchioli 2014-3-18 6256 Riverside Orocopia Mountains; southern/central section of range; approximately 1.25 air miles northwest of Gucci Spring. 511 Comment
  UCR75079  Krameria grayi A. C. Sanders, E. J. Lawlor 1992-4-4 12123 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  RSA0094466  Lactuca serriola Duncan S. Bell 2015-8-12 8595 Riverside Orocopia Mountains; southwestern section of the range, collecting at a spring in the southern section of the Dos Palmas area. Temperature at around 120 degrees. -41 Comment
  RSA0125181  Lactuca serriola Duncan S. Bell 2016-10-27 10205 Riverside Whitewater Canyon area; collecting in Rainbow Canyon, 2.75 air miles northwest of the Whitewater Ranger Station (trout ponds). 1024 Comment
  UCR100038  Lamarckia aurea Scott D. White 1994-4-23 2047 Riverside San Bernardino Mtns., Millard Canyon, c. 5 air miles north of Cabazon: U.S. Forest Service Road 2S05.1, c. 1-1.5 mi. south of Millard Canyon Guard Station and junction of roads 2S05.2 & 2S05.1A (= East Branch) 1037 Comment
  UCR20700  Lamarckia aurea A. C. Sanders, Steve Boyd 1980-5-2 1423 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  POM352657  Lamarckia aurea N. C. Cooper 1947-4-5 2108 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  UCR50574  Langloisia schottii B. G. Pitzer 1988-3-10 0641 Riverside Sonoran (Colorado) Desert, west side Chuckwalla Mountains, on gas line road c. 1.5 mi north of intersection with Red Cloud Mine Road (& wash); c. 2 mi. airline south of Hwy I-10 489 Comment
  RSA77076  Langloisia setosissima subsp. setosissima F. W. Peirson 1935-4-17 s.n. Riverside 30 miles north of Blythe. Comment
  CDA43467  Laportea aestuans Chandler & Mellor 2015-11-13 PDR# 331 P06143073-2 Riverside Menifee; Ramirez Foliage, 32883 Ascot Way. 0 Comment
  RSA0118589  Larrea tridentata Sarah J. J. De Groot, Cheryl Sevilla 2016-3-16 7654 Riverside Mecca Hills: mouth of Painted Canyon, southwest side of Mecca Hills, northeast of Mecca, west of Box Canyon, northeast of Coachella Canal, northeast of powerline, near mouth of Skeleton Canyon. 52 Comment
  SBBG109171  Larrea tridentata D. Wilken with G. A. Wilken 1997-11-1 15373 Riverside tributary of San Bernardino Wash, 0.3 km SW of Gold Crown Rd, SW slope of Pinto Mtns 605 Comment
  SEINET3132201  Larrea tridentata Unknown 1906-5-1 229 -6724 Riverside Colorado Desert at Palm Springs, southern California Comment
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Jul 29 2013
  SEINET5762028  Larrea tridentata Kelly Wagner 1999-3-8 Riverside Dirt lot on left hand side (heading west) off Palm Canyon Dr. & Golf Club Dr. 148 Comment
  UC571108  Larrea tridentata Curtis Ferris 1932-3-20 69 Riverside Oasis Comment
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Jun 24 2008
  POM13463  Lastarriaea coriacea P. A. Munz, I. M. Johnston 1922-5-19 5364 Riverside 5 miles NE of Murietta. 457 Comment
  RSA0106323  Lasthenia chrysostoma Lyman Benson 1946-4-15 12028 Riverside 2 miles east of Banning. 609 Comment
  UC1595795  Lasthenia coronaria W. Wisura, A. King, and L. Newcomb 1992-4-10 4670 Riverside w of Hwy 62 Mission Creek Ranch; Morongo Valley Comment
  UC917863  Lasthenia coronaria Frank W. Gould 1943-4-17 2126 Riverside 12 mi s of Corona; Road to Elsinore Comment
  UCR113179  Lasthenia coronaria A. C. Sanders 1998-3-11 21678 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near old mine site above San Jacinto Valley, south of end of Warren Rd. 610 Comment
  RSA556480  Lasthenia gracilis Julie Greene 1993-3-13 1009 Riverside On the berm between the western ponds 440 Comment
  SD244084  Lasthenia gracilis T. B. Salvato, Matt MallA^, Tom Sullivan 2013-3-27 7450 Riverside Perris-Aguanga Basin: Menifee, vacant lot north of Newcomp Substation, at southwest corner of Lazy Creek Road and Murrieta Road, (Romoland 7.5'Q) 431 Comment
  SDSU17520  Lasthenia gracilis Jerry Jenkins 2001-4-3 2001 -031 Riverside Santa Margarita Ecological Reserve. Ravine south of S. M. River, UTM zone 6, 482400E, 3700400N. UTM transfered to GIS. Comment
  UC893748  Lasthenia gracilis K. Watkins and E. McClintock 1937-4-9 Riverside between Hemet and Winchester Comment
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Mar 20 2011
  UCR59760  Lathyrus vestitus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3062 Riverside Peninsular Range, Vail Lake area, south of Hwy 79, 0.25 mi east of Pauba Road 457 Comment
  POM1791  Lathyrus vestitus subsp. alefeldii O. W. Robinson 1916-3-28 s.n. Riverside Miller's Canyon, Murrieta. Comment
  RSA161219  Lathyrus vestitus subsp. alefeldii P. H. Raven 1959-4-23 14016 Riverside 4.1 miles west of Dripping Springs. Comment
  POM306061  Lathyrus vestitus subsp. laetiflorus Henry J. Ramsey, Henry J. Ramsey 1937-5-30 1325 Riverside Santa Rosa Mountains. Comment
  SD125949  Lathyrus vestitus var. alefeldii B. Pitzer, E. Misquez 1988-2-28 616 Riverside Walker Basin, SW of Murrieta, Avenida del Oro, 2 miles south of Rancho California Road, hilly area north of road 427 Comment
  UCR138636  Lathyrus vestitus var. alefeldii D. L. Banks, J. Moreno 1997-2-5 1262 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north of the Riverside/San Diego County line border, including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation 409 Comment
  JOTR37761  Layia glandulosa Hodges, Stephen R. 2016-2-29 717 Riverside Joshua Tree National Park. Pleasant Valley, off of Geotour Road near the Pushwalla Canyon trailhead Comment
  UC62895  Layia glandulosa W. L. Jepson May 17 1901-Jun 1 1901 1280 Riverside San Jacinto River Comment
  CAS-BOT-BC379662  Layia platyglossa A. C. Sanders; T. B. Salvato 2011-3-29 38874 Riverside Peninsular Range; Perris-Aguanga Basin Region: between Sun City Perris, along powerline coordinator 0.45 east of Goetz Ra. and 0.07 lm east Wheat St. 449 Comment
  UCR241006  Layia platyglossa Tracy Tennant 1998-4-7 236 Riverside Peninsular Range/Perris-Aguanga Basin Region, Mariette Rd. at Grouse Court, 2.25 mi. NE of Vail Lake Dam 582 Comment
  UCD63692  Lepechinia cardiophylla Daniel Sanchez-Mata; Richard Halsey 2006-6-28 s.n. Riverside Corona. Cleveland National Forest. Santa Ana Mountains. Indian Truck Trail from Corona. 1110 Comment
  SEINET3523430 Image available Lepidium Scott White 1991-5-10 91 -125 Riverside Hwy 79, immediately W of U. S. Forest Service Campground at Dripping Springs. Vail USGS quad. Comment
  HSC6816  Lepidium fremontii C. L. Hitchcock, C. V. Muhlick 1964-3-22 23250 Riverside Side canyon near S entrance to Joshua Tree National Monument Comment
  RSA429905  Lepidium fremontii M. B. Dunkle 1934-3-31 4439 Riverside Pinto Basin, Colorado Desert 915 Comment
  POM98996  Lepidium lasiocarpum E. C. Jaeger 1926-3-20 s.n. Riverside Pinto Mts. 915 Comment
  UC1007186  Lepidium lasiocarpum var. lasiocarpum Philip A. Munz 1940-3-23 15687 Riverside n of Pinto Basin (n Riverside County); Mohave Desert 609 Comment
  UCR201883  Lepidium latifolium Justin M. Wood 2008-9-19 135 Riverside SW Perris Basin, Temecula - Murrieta Creek, downstream of First Street Bridge 305 Comment
  UCR107718  Lepidium nitidum A. C. Sanders 1997-3-1 19741 Riverside Box Springs Mountains, Riverside: S end of the range along Gernert Rd. (dirt road paralleling the mountain front), in valley draining to Box Spring Canyon. 457 Comment
  RSA585639  Lepidium nitidum var. nitidum D. L. Banks, S. D. Boyd 1995-3-15 74 Riverside NW Palomar Mtns, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn, Dorland Mtn area. 790 Comment
  UCR264639  Lepidium strictum Mitch Provance 2013-4-8 413- 06 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  RSA761277  Lepidium virginicum Shawn Krosnick, Naomi Fraga, Lucinda A. McDade 2010-8-14 677 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SBBG47456  Lepidium virginicum N. C. Cooper 1944-6-16 1390 Riverside W side of San Jacinto Mtns 1371 Comment
  SD136872  Lepidium virginicum Steve Boyd 1992-4-14 6838 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area, Western Flank of Bluewater Canyon along Bluewater Trail 341 Comment
  RSA0013160  Lepidium virginicum subsp. menziesii LeRoy Gross, Caitlin Elam 2013-5-14 6060 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
  HSC6860  Lepidium virginicum var. menziesii C. L. Hitchcock 1966-3-15 24163 Riverside 3 mi. E of Glen Ivy Hot Springs Comment
  CLARK-A1045-78  Lepidium virginicum var. pubescens George K. Helmkamp 1978-5-20 Riverside San Jacinto Mountains Idyllwild 15'Q Comment
  UCR251700  Lepidium virginicum var. robinsonii T. B. Salvato, Matthew Malle 2014-4-8 7830 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 0.6 mi north-northeast of intersection of Hwy I-15 and Lake St. 468 Comment
  JEPS37109  Lepidospartum squamatum Mary Beal 1939-10-25 712 Riverside Palm Springs area Mojave Desert, Palm Springs area Comment
  POM361783  Lepidospartum squamatum N. C. Cooper 1943-10-3 938 Riverside Whitewater Canyon. Comment
  RSA604869  Lepidospartum squamatum Scott D. White 1995-12-24 3799 Riverside Lakeview Mtns: Ca 5 road mi SE of Davis RD/Ramona Expwy intersection. 610 Comment
  SEINET10588819  Leptochloa fusca subsp. uninervia Steve Boyd, Timothy S. Ross 1989-8-28 Boyd 3802 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. Center of Sec. 14, T8S R1W. Wetlands with Salix, Typha thickets hills with Adensotoma, Eriogonum, Salvia. 442 Comment
  RSA0087455  Leptochloa panicea subsp. brachiata Sarah J. De Groot, Amy Rouillard 2015-9-15 7568 A Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 107 Comment
  UC1924330  Leptochloa uninervia P. M. Peterson with D. R. Peterson 1988-8-24 4989 Riverside Batista Canyon Wash, entering San Jacinto River(Wash), just N of Cedar and Mountain, NE end of Hemet. Comment
  UCR138674  Leptochloa uninervia Julie A. Greene 1993-4-3 1090 Riverside San Jacinto Valley, San Jacinto Wildlife Area. Raised wet area west of dirt road. 445 Comment
  RSA719790  Leptodactylon jaegeri Naomi Fraga, Ileene Anderson, Mike Hamilton, Michael Wall, Gary D. Wallace 2006-9-7 1740 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  CAS-BOT-BC227030  Leptosiphon floribundus subsp. floribundus H. M. Hall 1897-8-1 1760 Riverside Santa Rosa Mt. S. of Palm Springs Comment
  POM364627  Leptosiphon lemmonii Anstruther Davidson s.n. Riverside Idyllwild. Comment
  RSA74294  Leptosiphon lemmonii Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  GMDRC6562  Leptosiphon liniflorus J. M. Andre 2012-6-15 30516 Riverside San Jacinto Mountains: along Hwy 243, 8.6 mi. south of Interstate 10 (Banning), just northeast of Hungry Hollow and Poppet Flat; SB Natl. Forest 1309 Comment
  RSA192028  Leptosiphon liniflorus E. W. Lathrop 1966-5-15 6325 Riverside Tenaja Guard Station, Trabuco District, Cleveland National Forest. Comment
  SD181407  Leptosiphon liniflorus Scott D. White, Sandy Leatherman 2000-5-31 7975 Riverside Santa Rosa Plateau; near Squaw Mountain. 640 Comment
  RSA507939  Leptosiphon parviflorus Steve Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-3-28 2257 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1500 Comment
  UCR34941  Lessingia glandulifera var. glandulifera L. B. Ziegler 1964-8-30 017 Riverside San Jacinto Mtns., Hemet (Garner) Valley, Thomas Mtn. subdivision 1402 Comment
  CAS-BOT-BC451632  Lilaea scilloides James R. Shevock 1975-4-28 4271 Riverside On the Mesa de Colorado. Santa Rosa Plateau, Santa Ana Mountains. 762 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
  RSA247368  Lilium parryi Gary D. Wallace, D. Wilken 1966-7-3 653 Riverside San Jacinto Mountains near Idyllwild in the vicinty of Strawberry Meadows. near the main highway no. 243. Comment
  UCR193127  Limnanthes gracilis subsp. parishii A. C. Sanders, Tim Thomas 2008-6-20 35537 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  UCR193304  Limosella acaulis A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35600 A Riverside Peninsular Range; San Jacinto Mtns., plateau above head of Johnson Meadow canyon, SW of dogleg in May Valley Rd. 1550 Comment
  RSA468573  Linanthus androsaceus subsp. luteolus N. C. Cooper 1944-6-17 1394 Riverside San Jacinto Mountains above Banning. 915 Comment
  RSA507967  Linanthus dianthiflorus subsp. farinosus Steve Boyd, C. Boyd, Kyle A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2309 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  UCR177320  Linanthus liniflorus Scott D. White, Michael Honer 2003-5-27 9406 Riverside Gavilan Hills / Temescal Canyon, hills and canyons c. 1 mile north of the I-15 Fwy and 1 mi east of Lake Street exit, south and/or west of unnamed peak '2349 549 Comment
  SDSU15209  Linanthus liniflorus subsp. pharnaceoides H. Wedberg 1962-5-23 940 Riverside 4.8 miles from HWY 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
  UCR269921  Linaria canadensis Daphne K. Christopher, Hannah I. Stevens 2003-4-3 077 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve 536 Comment
  CLARK-A1045-342  Linaria canadensis var. texana George K. Helmkamp 1978-4-8 Riverside Box Springs Mountains Riverside East 7.5Q' Comment
  UCR201621  Linum lewisii Scott D. White, Justin M. Wood 2008-6-16 12146 Riverside San Jacinto Mountains, meadow at Quinn Flat 1378 Comment
  UCR281265  Linum usitatissimum Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-18 417- 43 Riverside Perris-Aguanga Basin, Menifee, S side of Bundy Canyon Rd., E side of Loerch Ln., 0.2 miles W of Murrieta Rd. 518 Comment
  UCR263468  Lithophragma A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35580 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek watershed, c. 1.25 mi ENE of Mountain Center, nameless tributary to Coldwater Creek north of Johnson Meadow, below mapped spring 1479 Comment
  UCR13412.2  Lithophragma affine William E. Mortenson 1973-5-27 8 Riverside San Jacinto Mtns., 14.1 mi south of Banning on Calif. Route 243 (Palms to Pines Hwy). 100 yds. west of Hwy in a wooded area 1677 Comment
  UCR25991  Lobelia cardinalis John C. Roos 1937-8-23 2402 Riverside San Jacinto Mtns, north base of Mt. San Jacinto, Snow Creek 762 Comment
  UC120278  Loeflingia squarrosa var. squarrosa D. Cleveland 1882-5-3 Riverside San Jacinto Plain Comment
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Nov 9 2009
  JOTR33965  Loeseliastrum matthewsii La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2851 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
  UCR243572  Loeseliastrum matthewsii Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21102 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
  POM9195  Loeseliastrum schottii P. A. Munz, R. D. Harwood 1920-4-4 3525 Riverside Pass south of Palm Springs. 152 Comment
  RSA718570  Loeseliastrum schottii Michael Honer, L. Hulse 2004-4-3 1889 Riverside Nameless canyon appx. 1 mi. W of Pushawalla Cyn., leading up to MWD aqueduct. 488 Comment
  UC1179099  Logfia arizonica Herbert L. Mason 1952-4-7 14208 a Riverside near Palm Springs; Palm Canyon Comment
  CAS-BOT-BC342256  Logfia filaginoides A. C. Sanders; K. Rose 1995-4-5 16387 Riverside San Bernardino Mtns./Coachella Valley: alluvial slopes and foothills S of Mission Creek and E of Hwy 62 700 Comment
  UCR54310  Lolium perenne Frank C. Vasek 1956-6-12 s.n. Riverside Riverside: Hwy 60, 1.05 mi east of Chicago Ave. on the University of California, Riverside campus Comment
  SEINET10893749  Lolium rigidum Walter Graves 2002-5-15 Graves 502 -26 Riverside Riverside: grown at U.C.R. in Agricultural Operations Fields Riverside East 7.5' Q. 305 Comment
  UCR164892  Lomatium lucidum S. J. Myers 2001-4-5 s.n. Riverside San Jacinto Mtns., Bautista Canyon 884 Comment
  UCR62323  Lomatium lucidum Ed LaRue 1990-4-13 s.n. Riverside Peninsular Range, 0.5 mi. NW of Aguanga, c. 1.5 mi (air) north of San Diego Co. line, north of Hwy 79 and west of Hwy 371 642 Comment
  JOTR30047  Lomatium mohavense La Doux, Tasha, Erin Babich, Bill Truesdell 2008-3-10 1780 Riverside Joshua Tree National Park. Stop #4- Northwest end of Eagle Mountains near road heading to Cottonwood Canyon. 910 Comment
  POM307268  Lonicera subspicata var. denudata Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2118 Riverside Santa Rosa Mountains. Comment
  RSA115034  Lonicera subspicata var. denudata E. K. Balls 1955-07 20973 Riverside San Jacinto Mountains, Hwy 74, Hemet to Idyllwild, 2.8 miles NW from Mountains Center. 1189 Comment
  RSA494628  Lonicera subspicata var. denudata Maureen Pendleton 1987-5-20 s.n. Riverside Ca. 0.8 mi. (airline) WSW of town of Anza on Terwilliger Rd. 1280 Comment
  UC219569  Lonicera subspicata var. denudata P. A. Munz 1922-6-25 5823 Riverside Hemet Valley to Vandeventer; San Jacinto Mts. 1432 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
  UCR51354  Lotus argophyllus S. J. Myers 1988-2-1 s.n. Riverside Boulder Springs development, immediately SE of intersection of Hwy 60 and Nason St., Moreno Valley 518 Comment
  UCR177333  Lotus argophyllus subsp. decorus Scott D. White, Michael Honer 2003-5-13 9248 Riverside San Bernardino Mtns, Whitewater Canyon, c. 2 miles north of Bonnie Bell 640 Comment
  RSA772415  Lotus argophyllus var. argophyllus Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4850 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
  UC15533  Lotus argophyllus var. argophyllus H. M. Hall May 1899 1169 Riverside El Toro San Jacinto Mountains 1828 Comment
  RSA90068  Lotus argophyllus var. argophyllus F. W. Peirson 1922-4-30 2933 Riverside Summit of St. John's Grade, south of Hemet Comment
  RSA523533  Lotus hamatus Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3992 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR158844  Lotus hamatus Scott D. White 1994-6-23 2086 Riverside Temecula/Murrieta Region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  UCR60258  Lotus hamatus Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3181 Riverside Peninsular Range, Vail Lake area; hills just to SW of the dam 488 Comment
  GMDRC2043  Lotus heermannii J. Andre 2006-4-26 6757 Riverside Little San Bernardino Mountains: Joshua Tree National Park: Long Canyon, approx. 2.3 mi. S. of NE corner (boundary) of park Near 34.06072 deg. N 116.44711 deg. 43681' W. Elev. 3463 ft. 1056 Comment
  UC15609  Lotus heermannii Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  UC207658  Lotus heermannii F. M. Reed 1917-5-19 3874 Riverside vicinity Riverside; Colorado Desert, Palm Canyon Comment
  UCR111563  Lotus heermannii Mitch Provance 1999-5-4 1698 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR193888  Lotus heermannii A. C. Sanders, Mitch Provance 2008-7-11 35771 Riverside Peninsular Range; San Jacinto Mtns., FS road 5S02 to Coldwater Creek below road to helipad, 1 mi. NE of Mountain Center, c. 1/2 mile NE of Keenwild Fire Station 1463 Comment
  UCR169469  Lotus humistratus John F. Green 2005-4-28 s.n. Riverside Peninsular Range; Southern Santa Ana Mtns., Santa Rosa Plateau, hills on the south side of Tenaja Rd., between Squaw Mtn. and DeLuz Creek 655 Comment
  POM12928  Lotus oblongifolius P. A. Munz 1922-6-27 5853 Riverside Santa Rosa, Santa Rosa Mts. 1982 Comment
  RSA627510  Lotus oblongifolius Scott D. White 1998-7-31 6953 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park; San Jacinto Mts. 1707 Comment
  LA47937  Lotus oblongifolius var. oblongifolius Elizabeth McClintock; 1939-9-1 sn Riverside San Jacinto Mountains, Idyllwild Comment
  UC15665  Lotus oblongifolius var. oblongifolius H. M. Hall Jul 1901 2573 Riverside vicinity Deer Springs; San Jacinto Mountains 2590 Comment
  UCR126497  Lotus salsuginosus A. C. Sanders, K. C. Rose 1995-4-27 16733 Riverside Sonoran (Colorado) Desert, Coachella Valley, foot of the Little San Bernardino Mtns., canyon east of Fan Hill, just outside Joshua Tree Nat. Park 549 Comment
  UCR157958  Lotus salsuginosus var. brevivexillus T. B. Salvato, A. C. Sanders 2005-5-17 908 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
  JEPS65155  Lotus salsuginosus var. salsuginosus W. L. Jepson 1935-4-17 19152 Riverside 1 1/2 mi n of Elsinore 457 Comment
  UCR125296  Lotus scoparius A. C. Sanders 2002-11-21 25625 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy,' mouth of Bixby Canyon 457 Comment
  UC1537087  Lotus scoparius var. brevialatus Gordon H. True Jr. 1935-3-11 78 Riverside Box Springs Comment
  UCR120932  Lotus scoparius var. brevialatus A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24931 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCR270748  Lotus scoparius var. scoparius T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8365 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 436 Comment
  RSA339350  Lotus strigosus R. F. Thorne, W. A. Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54052 Riverside San Bernardino Mts: Sandy beach along Whitewater River, E of bridge and levee and below W-facing bluff 412 Comment
  RSA525409  Lotus strigosus Steve Boyd, Laurel Arnseth, Yvonne Rasmusson, Hugo Cota 1990-5-3 4517 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  UCR163591  Lotus strigosus O. F. Clarke 2002-3-15 s.n. Riverside San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  RSA498731  Lotus strigosus var. strigosus Freda Detmers 1933-3-25 17160 Riverside Between Banning and Cabazon. Comment
  RSA523473  Lotus strigosus var. strigosus Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4033 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR167273  Lotus strigosus var. tomentellus John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, WNW of Rancho Dos Palmas between Coachella Canal siphons 29 and 30 24 Comment
  RSA413539  Lupinus N. C. Cooper 1949-4-9 3344 Riverside North of Blythe. 244 Comment
  UC130312  Lupinus H. M. Hall 1899-5-20 1376 Riverside Moreno Comment
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Mar 20 2011
  UC1329856  Lupinus andersonii James E. Cole 1941-5-19 718 Riverside Covington Flat Canyon Joshua Tree National Monument 1371 Comment
  POM13265  Lupinus arizonicus E. C. Jaeger 1922-4-4 s.n. Riverside Painted Canyon on near Mecca Comment
  UC710910  Lupinus arizonicus C. L. Hitchcock 1940-4-4 5961 Riverside Pinto Basin Comment
  SEINET10969897  Lupinus arizonicus A. K. Evans 1976-4-13 Evans 5157 Riverside Desert canyons of santa rosa mountains Comment
  CLARK-A1528-492  Lupinus bicolor Annette Price 1962-5-1 O 58 Riverside Murrieta Comment
  RSA757746  Lupinus bicolor LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4348 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon., Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  SEINET10577534  Lupinus bicolor subsp. marginatus Nye Leith, Greg Gust 2005-3-11 Nye 61 Riverside Lake Elsinore. Intersection of Malaga and Mission Trail Rd. 398 Comment
  UC397195  Lupinus concinnus S. B. Parish 1919-3-28 19202 Riverside mouth of San Jacinto Canyon Comment
  RSA249470  Lupinus concinnus subsp. optatus John F. Emmel 1973-4-7 430 Riverside Carrizo Creek wash just below Dos Palmas Spring, NE of Pinyon Crest, E. end San Jacinto Mts. 1037 Comment
  RSA673506  Lupinus concinnus subsp. optatus Scott D. White, Bill La Haye 2000-5-27 7936 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  SEINET10485231  Lupinus densiflorus var. glareosus August J. Breitung 1953-6-12 Breitung 15552 Riverside Santa rosa mts., Hwy 74, san bernardino nat'l forest. Petals lilac to cream. Comment
  RSA552695  Lupinus excubitus var. hallii Steve D. Boyd, Tim S. Ross, Orlando Mistretta 1992-2-26 6703 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  SD137767  Lupinus hirsutissimus Darin L. Banks 1995-4-11 175 Riverside Agua Tibia Mountains Watershed, 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
  UCR224448  Lupinus hirsutissimus Steve Boyd, Susan Jett 2008-3-20 11827 Riverside Peninsular Ranges; Santa Ana Mountains region, Eastern flank of the range along El Cariso Truck Trail ca. 0.5 mi north of Highway 74. (33 deg. 39'26"N, 117 deg. 24'25"W). 732 Comment
  UCR2890  Lupinus hirsutissimus Paul W. White 1963-5-11 51163- 14 Riverside Peninsular Ranges/ San Jacinto Mountains, 5 mi. east of Cranston Ranger Station on State Hwy 74 out of Hemet 915 Comment
  SEINET8042261  Lupinus hirsutissimus Unknown 404 Riverside Boxsprings Mts. Comment
  RSA442334  Lupinus hyacinthinus George R. Johnston 1928-9-3 s.n. Riverside San Jacinto Mt. 3277 Comment
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Jul 6 2008
  SD185223  Lupinus microcarpus T. B. Salvato, Kent Beaman 2005-5-16 807 Riverside San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Highway 74. 548 Comment
  UC56612  Lupinus sparsiflorus H. M. Hall Apr. 1902 2939 Riverside Riverside Comment
  UCR237699  Lupinus sparsiflorus Orlando Mistretta, Duncan S. Bell, Janet Beckman, Joy England, K. Kane, et al. 2010-4-12 4525 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 526 Comment
  UCSB10438  Lupinus sparsiflorus Lloyd, Robert 1960-3-23 Riverside 2 miles up Snow Canyon Road from State Rd. 111; San Jacinto Mt. Range; Colorado Desert drainage area 609 Comment
  RSA414814  Lupinus sparsiflorus subsp. sparsiflorus H. de Forest 1933-4-17 17604 Riverside Chino Canyon, Colorado Desert. Comment
  POM10112  Lupinus sparsiflorus var. inopinatus H. M. Hall 1904-05 4946 Riverside Fairmount Park. Comment
  SD244161  Lupinus succulentus T. B. Salvato, Mike Landers 2013-3-21 7384 A Riverside Perris-Aguanga Basin: Murrieta, between Hwy 215 and State Route 79 (Winchester Road), .23 mile east of the intersection of Keller Road and Menifee Road (Romoland 7.5'Q) 466 Comment
  UCR13087  Lupinus succulentus S. R. Szarek 1971-3-26 s.n. Riverside Elsinore. Alongside Hwy 71, entering town of Elsinore Comment
  RSA180234  Lupinus truncatus E. W. Lathrop 1965-4-30 5702 Riverside 5 miles W of Murrieta. 610 Comment
  RSA750737  Luzula comosa Scott D. White, Justin M. Wood 2009-5-22 12904 Riverside Idyllwild area; Strawberry Fuelbreak between Strawberry Creek and road to sewage ponds. Comment
  UC1286996  Lycium andersonii C. L. Hitchcock 1966-3-16 24189 Riverside about 5 mi ne Aguanga Comment
  UC218100  Lycium andersonii P. A. Munz, D. Keck 1922-4-9 4811 Riverside s base Eagle Mtns.; Colorado Desert 182 Comment
  UC73599  Lycium andersonii M. F. Gilman 1901-1 29 Riverside Banning Comment
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Mar 13 2011
  POM160092  Lycium brevipes var. brevipes E. C. Jaeger 1927-3-20 s.n. Riverside Hidden Spring, Colo. Desert. Comment
  RSA708240  Lythrum hyssopifolia Scott D. White, Angelia Carey 2004-5-7 10332 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 549 Comment
  RSA192015  Lythrum hyssopifolia E. W. Lathrop 1966-5-15 6307 Riverside 3 miles SE of Murrieta on the De Luz Road. Comment
  UCR201017  Machaeranthera asteroides var. asteroides Scott D. White, Justin M. Wood 2008-9-17 12540 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland, 1/4 mile S of Ethanac Rd, between San Jacinto Rd and Palomar Rd, just S of railroad tracks 448 Comment
  RSA559457  Madia gracilis Steve Boyd, Timothy S. Ross 1992-5-4 7210 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, Oak Flats area east of Verdugo Potrero 732 Comment
  UCR24941  Madia gracilis A. C. Sanders 1980-7-22 1730 Riverside San Jacinto Mtns, along road 5S09 between the USC Idyllwild campus (Isomata) and Alvin Meadow; about 0.25 mi from Isomata 1524 Comment
  CAS-BOT-BC514239  Maianthemum stellatum Edmund C. Jaeger 1921-7-1 s.n. Riverside Tahquitz Valley, San Jacinto Mt., C.F. Baker Herbarium of Pomona College 2194 Comment
  UCR93836  Malacothamnus fasciculatus G. R. Ballmer, K. T. Stockwell 1995-6-8 s.n. Riverside Peninsular Range, Warm Springs Creek, Budweiser Ranch, 0.25-1 mi upstream of Los Alamos Road crossing 457 Comment
  RSA729266  Malacothrix glabrata R. F. Thorne, M. Z. Thorne 1973-3-30 42695 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  UC68994  Malacothrix glabrata H. M. Hall April, 1905 5878 Riverside Chuckawalla Bench Colorado Desert Comment
  UCD134425  Malacothrix glabrata C. L. Hitchcock 1966-3-21 24329 Riverside about 15 miles south of Rice, on dirt road to Blythe. Comment
  UCR279412  Malacothrix glabrata A. C. Sanders, Jim Malusa 2017-3-25 43006 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  CLARK-A1528-269  Malacothrix saxatilis var. tenuifolia Margaret Ferro 1970-5-10 14 Riverside Gilman Hot Springs 457 Comment
  RSA594788  Malacothrix saxatilis var. tenuifolia D. L. Banks, Dylan Hannon 1996-5-3 0983 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Along a xeric W facing slope, approximately 350 m SE of the Helipad at the upper camp sites. 539 Comment
  IRVC79  Malosma laurina Mike Munier 1965-1 s.n. Riverside 1/4 mile S of Keen Camp Summit [along Hwy 74 SE of Mountain Center]. Peninsular Ranges, San Jacinto Mountains Comment
  CSUSB1015  Malva parviflora Leland R. Dykes 1962-4-22 46 Riverside Palomar Road at San Mateo Canyon turnoff, in Murrieta. Comment
  UCR69748  Malvella leprosa A. C. Sanders, Chet McGaugh 1991-7-19 11147 Riverside Peninsular Range, Murrieta Hot Springs, large vernal pool on the south side of Murrieta Hot Springs Road, east of Via Princesa & north of Calle del Lago 348 Comment
  CSUSB590  Marah macrocarpa Kheng Try Seng 1966-4-13 Riverside Santa Ana Mountains Northeast slope of Santa Ana Mountain. End of Main Street, 4 miles from downtown Corona. 457 Comment
  SD190351  Marah macrocarpa A. C. Sanders 2004-4-20 27525 Riverside Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego County line. 640 Comment
  UC2015595  Marah macrocarpa Scott D. White 1996-3-16 3830 Riverside Perris Basin, Lakeview Mts., N of Winchester, at Maze Stone Picnic Area. Comment
  UCR50586  Marah macrocarpa B. G. Pitzer 1988-2-28 0617 Riverside Santa Ana Mtns, Walker Basin, southwest of Murrieta, Avenida Del Oro, 2 mi south of Rancho California Road 428 Comment
  JOTR29084  Marina parryi La Doux, Tasha 2005-3-30 1201 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  RSA518275  Marina parryi A. C. Sanders 1989-9-19 9505 Riverside Chocolate Mtns Aerial Gunnery Range, 1.75 km S of Tabaseca Tank, along the wash above ''Tabaseca Target. 680 Comment
  SBBG3315  Marina parryi H. and M. Dearing 1938-5-6 1973 Riverside Box Cyn near Mecca Comment
  UCR237636  Marina parryi Duncan S. Bell, Amanda Turek 2010-4-10 791 Riverside Riverside Mountains, southern section of the mountain range, c. 1 air mi southwest of Riverside Mountain Peak 269 Comment
  UCR50576  Marina parryi B. G. Pitzer 1988-3-10 0646 Riverside Sonoran (Colorado) Desert, west side Chuckwalla Mountains, on gas line road c. 1.5 mi north of intersection with Red Cloud Mine Road (& wash); c. 2 mi. airline south of Hwy I-10 489 Comment
  RSA650954  Matricaria matricarioides W. A. Reinke 1971-5-8 s.n. Riverside 7mi. N. of 2nd St. on [Highway] 71-74, Elsinore. Comment
  UCR126979  Matricaria matricarioides A. C. Sanders, T. B. Salvato 2003-5-9 26581 Riverside San Jacinto Valley, west of Hemet, west edge of Warren Road just north of Hwy 74 (Florida Ave.) 457 Comment
  SD137762  Medicago polymorpha Darin L. Banks, Steve Boyd 1995-5-3 259 Riverside Agua Tibia Wilderness Area. North slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area. 512 Comment
  CAS-BOT-BC281599  Melica imperfecta H. M. Hall 1901-6-1 2079 Riverside In the vicinity of Chalk Hill, San Jacinto Mts 1463 Comment
  CSUSB1113  Melilotus indicus Karen Cook 1966-5-16 Riverside 15 feet due south southwest of west end of Humanities building on the UCR campus in city of Riverside. 304 Comment
  RSA440355  Mentzelia affinis Robert Gustafson 1978-3-21 845 Riverside Joshua Tree National Monument, about 3 miles north on the road leading through the park and Hwy 70. 640 Comment
  RSA618411  Mentzelia dispersa D. L. Banks 1997-5-5 1965 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
  RSA0106761  Mentzelia involucrata Duncan S. Bell, Amanda Turek 2009-3-29 140 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; large narrow canyon to the west of Priest Mine. 420 Comment
  RSA440411  Mentzelia involucrata Geo. Cantwell 1935-4-8 s.n. Riverside McCoy Springs, McCoy Mnts. [NW of Blythe] Comment
  UCR90160  Mentzelia involucrata R. W. Scora 1966-4-1 3035 Riverside Sonoran (Colorado) Desert, Coachella Valley, 3-4 km east of Thousand Palms on Ramon Road; near Hidden Spring Oasis 60 Comment
  POM14258  Mentzelia involucrata var. megalantha P. A. Munz, D. D. Keck 1922-4-9 4914 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 427 Comment
  UC170135  Mentzelia longiloba E. E. Schellenger 1894-12-2 107 Riverside Colorado Desert, Chuckawalla Wash. Comment
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1
  RSA7430  Mentzelia montana Justin M. Wood, Brandy N. Ulrich 2008-7-14 19 Riverside Garner Valley, near intersection of Fobes Ranch Rd and Hwy 74. 1348 Comment
  UCR205968  Mentzelia obscura Scott D. White, Michael Honer 2003-4-30 9137 Riverside Sonoran (Colorado) Desert, Shavers Valley, about 1-2 mi SW of unnamed freeway exit at pumping station 457 Comment
  POM161745  Menyanthes trifoliata R. C. Bacigalupi 1927-7-11 1703 Riverside Grassy Lake meadows. 1890 Comment
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Mar 15 2014
  RSA585784  Micropus californicus var. californicus D. L. Banks, S. D. Boyd 1995-5-9 0397 B 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
  UCR98078  Microseris lindleyi A. C. Sanders, G. Helmkamp 1997-3-15 19951 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 518 Comment
  POM15020  Microsteris gracilis subsp. humilis Mary F. Spencer 1922-7-1 1969 Riverside Idyllwild. Comment
  RSA0018787  Mimetanthe pilosa Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38097 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  UC943875  Mimulus H. E. McMinn, M. Van Rensselaer 1945-6-7 1893 Riverside Indian Truck Trail Santa Ana Mts. 853 Comment
  POM8576B  Mimulus aurantiacus var. pubescens I. M. Johnston 1920-5-8 2282 Riverside Butte west of Lakeview. 610 Comment
  RSA192069  Mimulus aurantiacus var. pubescens E. W. Lathrop 1965-4-4 5638 Riverside 8 miles west of Murrieta-Tenaja Range. Comment
  UCR180133  Mimulus aurantiacus var. pubescens Mitch Provance 2003-4-26 9888 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  RSA488927  Mimulus aurantiacus var. puniceus Bill Wagner 1988-4-12 s.n. Riverside Approx. 1/2 mile SW of town of Temecula, S of Rancho CaliforniaRoad and Buisness Park Drive. 335 Comment
  SDSU12270  Mimulus aurantiacus var. puniceus Jeremy Mass, Ryan Jacobsen 2000-4-19 17 Riverside Near fork in the road leading down to the canyon and growing throughout Stone Creek area near Southside Field Station, Santa Margarita Ecological Reserve (SDSU). 251 Comment
  UC886112  Mimulus bigelovii var. bigelovii C. L. Hitchcock 1940-3-29 5857 Riverside ca. 100 yards e Cottonwood Spring; Cottonwood Canyon Comment
  UC26897  Mimulus cardinalis H. M. Hall July 1901 2382 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1584 Comment
  UCR137182  Mimulus diffusus Victor Duran 1932-5-18 3220 Riverside San Jacinto Mtns., Idyllwild 1677 Comment
  RSA612169  Mimulus floribundus Louis C. Wheeler 1932-7-9 930 Riverside Santa Ana River at Chino Creek. 152 Comment
  UCR156286  Mimulus floribundus T. B. Salvato, Kent Beaman 2005-5-16 838 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
  CSUSB887  Mimulus guttatus Jean Texera 1970-5-17 20 Riverside 5 miles south of Murrieta on road to De Luz, 20 yards from along stream. 152 Comment
  POM10952  Mimulus guttatus P. A. Munz, I. M. Johnston 1922-5-21 5529 Riverside 2 mi. above Thomas Ranch, Thomas Valley. 1463 Comment
  UCR21978  Mimulus guttatus Steve Boyd 1980-5-2 165 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR35254  Mimulus guttatus L. B. Ziegler 1968-7-17 330 Riverside San Jacinto Mtns, Hemet Valley (= Garner Valley). Valley floor; meadowy region near Lake Hemet 1357 Comment
  RSA0030781  Mimulus moschatus var. longiflorus Mary F. Spencer 1921-7-1 1288 Riverside Idyllwild 1585 Comment
  RSA314473  Mimulus pilosus Robert F. Thorne, Kay L. Wright, Richard K. Benjamin 1982-10-8 55380 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  UCR151097  Mimulus pilosus Scott D. White, Julie Greene 1998-8-1 6974 Riverside Peninsular Ranges/San Jacinto Mtns region, Idyllwild Area, within residential community above/parallel to E bank of Strawberry Creek, between crossing at Circle Drive and Humber Park 1951 Comment
  LA95899  Mimulus rattanii Frank W. Peirson; 1931-5-30 9379 Riverside Santiago Peak, Glen Ivy Trail 1219 Comment
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Sep 20 2019
  POM12053  Mimulus rubellus P. A. Munz 1922-6-30 5911 Riverside Santa Rosa Mountains. 1982 Comment
  CAS-BOT-BC434838  Mirabilis laevis var. retrorsa H. M. Hall 1905-4-1 5798 Riverside 8 mi west of Coachella, Colorado Desert Comment
  PASA595  Mirabilis laevis var. retrorsa 1929-3-3 Riverside Hidden Springs, Colorado desert Comment
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Jun 24 2016
  RSA678385  Mirabilis laevis var. villosa Steve Boyd, Amber Maurice, Pesach Lubinsky, Lel Lubinsky 2003-4-17 10450 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
  RSA741193  Mirabilis multiflora var. pubescens Scott D. White, Justin M. Wood 2008-6-16 12128 Riverside San Jacinto Mountains: Fobes Canyon, +/- 1 mile up Fobes Ranch Road from Fobes Spring. 1540 Comment
  RSA82951  Mirabilis multiflora var. pubescens R. M. Straw 1953-6-4 439 Riverside Head of Palm Canyon, Palms to Pines Hwy. Comment
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Nov 19 2011
  JEPS24421  Mohavea confertiflora Peter M. Ray 1949-3-12 1389 Riverside Painted Canyon, Orocopia Mountains, east of Mecca. Comment
  RSA306175  Mohavea confertiflora Fay A. MacFadden 1940-3-17 15277 Riverside Road from 29 Palms to Indio, 2/3 of way to Indio. San Bernardino Mtns Comment
  RSA408759  Mohavea confertiflora Christopher Davidson 1979-4-4 7692 Riverside Orocopia Mts., lower end of Box Canyon on Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  SBBG25244  Mohavea confertiflora Leota Davidson 1966-4-5 217 a Riverside Wyley Wells Rd, off Interstate 10, at second intersection, Chuckawalla Mts Comment
  UC495307  Mohavea confertiflora Philip A. Munz 1932-3-14 11985 Riverside near Deep Canyon (Coachella Valley); Coachella Valley 91 Comment
  UCD124024  Mohavea confertiflora P. C. Everett; E. K. Balls 1958-4-29 23020 Riverside along U.S. Hwy 60/70, Indio to Blythe. 502 Comment
  UCR86859  Mohavea confertiflora A. C. Sanders, K. C. Rose 1995-4-27 16740 Riverside Sonoran (Colorado) Desert, Coachella Valley, foot of the Little San Bernardino Mtns., canyon east of Fan Hill, just outside Joshua Tree Nat. Park 549 Comment
  UCD99623  Mollugo cerviana B. Pitzer 1997-10-19 3356 Riverside N foot of Chuckwalla Mts., Eagle Mtn Rd on S side of Hwy I-10. 0.8 mile S of Hwy at Powerline Rd. 500 Comment
  UCR251724  Mollugo cerviana Deidre Conocchioli, Billy Sale, Naomi Fraga 2013-9-25 58 Riverside Sonoran (Colorado) Desert, east of Alligator Rock; from I-10 at Desert Center, head south on CA 177 to BLM Rd 394 (dirt), collection site is 1.1 miles SW of I-10 exit ramp 334 Comment
  JEPS63421  Monardella australis subsp. australis Carl V. Meyer 1928-7-26 548 Riverside between Deer Springs and San Jacinto Peak 2895 Comment
  UC1995357  Monardella australis subsp. australis Elizabeth McClintock 1940-9-2 Riverside Round Valley San Jacinto Mts. Comment
  RSA401570A  Monardella lanceolata var. lanceolata G. R. Johnstone 1928-9-3 s.n. Riverside Mt Tahquitz Trail. 2287 Comment
  JOTR30271  Monardella linoides subsp. linoides Leary, Pat, Cari Leary 1987-5-9 3813 Riverside Joshua Tree National Park. 1.0 km south of Jumbo rocks campground, T2S R9E sec20 [UTMs estimated, January 2010] Comment
  RSA741262  Monardella linoides subsp. linoides Scott D. White, Justin M. Wood 2008-7-10 12457 Riverside San Jacinto Mountains: Fobes Spring 1500 Comment
  UC1499877  Monardella nana Elizabeth McClintock 1940-9-1 Riverside San Jacinto Mts. trail between Tahquitz Valley and Hidden Lake Comment
  RSA750398  Monardella nana subsp. arida Elizabeth McClintock, J. Fenley 1940-5-31 15 Riverside 2 miles east of Ribbonwood Camp, Pines to Palms Highway. Comment
  SEINET4151979 Image available Monardella nana subsp. arida Elizabeth McClintock, Harlan Lewis 1941-1 076 Riverside Peninsular Range; Santa Rosa Mtns.; road up Santa Rosa Mountain, 0.5 mile beyond canyon where stream crosses road 1944 Comment
  IRVC2060  Monardella nana subsp. tenuiflora R. H. Whittaker, W. A. Niering 1963-6-8 SJ 304 Riverside Marion Mountain Trail. Peninsular Ranges, San Jacinto Mountains 2424 Comment
  UCR123190  Monardella robisonii A. C. Sanders, Mark Elvin 2001-8-17 24615 Riverside Mojave Desert, Little San Bernardino Mtns, near Hidden Valley Campground at 'Echo T,' Joshua Tree National Park 1311 Comment
  JOTR28937  Monoptilon bellioides La Doux, Tasha 2005-3-30 1173 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  POM363577  Monoptilon bellioides M. B. Dunkle 1933-3-4 3067 Riverside Painted Canyon, Colorado Desert. 30 Comment
  POM363592  Monoptilon bellioides Martha Hilend 1928-3-11 97 Riverside Morongo Pass, Colorado Desert region. Comment
  RSA49353  Monoptilon bellioides P. A. Munz 1949-4-11 13013 Riverside Near Conejo Well, north base of Eagle Mts., Mohave Desert. 914 Comment
  SBBG8633  Monoptilon bellioides T. L. Secrest 1948-4-7 Riverside ca. 18 mi N of Indio 304 Comment
  UC60797  Muhlenbergia microsperma H. M. Hall 1902-4-26 2978 Riverside Box Springs Mt. vicinity of Riverside 685 Comment
  UC1132384  Muhlenbergia rigens H. S. Yates 1936-8-29 6381 Riverside near Pine Flat; San Jacinto Quadrangle Comment
  RSA527845  Muilla maritima Scott D. White 1991-5-13 91 -118 Riverside Hwy 79, immediately W of U.S. Forest Service Campground at Dripping Springs. 549 Comment
  SD261013  Myosurus minimus subsp. apus John F. Green 2008-7-9 Riverside Peninsular Range: Menifee Valley, east of Briggs Rd and north of Holland Rd (Romoland 7.5'Q) 438 Comment
  RSA421110  Nama demissa Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  POM14408  Nassella lepida P. A. Munz 1922-4-28 5028 Riverside 5 miles north of Glen Ivy Comment
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Apr 3 2011
  RSA487431  Nassella lepida Steve Myers 1988-5-17 s.n. Riverside Santa Rosa Plateau area W of Murrieta, Via Majorca .25 mi. N of the intersection with Avenida Arboles. Comment
  RSA736240  Nassella lepida Scott D. White, Jonathan Campbell 2008-4-18 11898 Riverside Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan Property, Alberhill area. 274 Comment
  UC1531114  Nassella pulchra Kay L. Tomlinson, Deborah L. Kama, and Robert F. Thorne 1985-3-27 890 Riverside Mesa de Colorado Santa Rosa Plateau 609 Comment
  CDA2256  Nassella tenuissima R. E. Riefner Jr. 2007-5-26 07 -216 Riverside City of Lake Elsinore, along I-15 north near Main Street. Comment
  CHSC109262  Navarretia atractyloides Scott D. White; Michael Horner 2003-6-3 9480 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 457 Comment
  UCR112000  Navarretia atractyloides A. C. Sanders, T. B. Salvato 2000-5-25 23425 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
  UCR206021  Navarretia fossalis Diane Menuz 2009-5-14 497 Riverside Peninsular Ranges: Santa Ana Mountains, Santa Rosa Plateau. Western side of Mesa de Burro, in series of 4 vernal pools 609 Comment
  RSA191425  Navarretia hamata subsp. hamata E. W. Lathrop, R. F. Thorne 1967-9-26 6604 Riverside 6 miles NW of Murieta, Riverside Co. Tenaja Road a the pass enterring valley leading to Tenaja Guard stst. Comment
  JEPS57952  Nemacaulis denudata var. gracilis Dr. L. M. Newlon 1922-4-5 462 a Riverside e Palm Springs; San Jacinto Mts. Comment
  UCR245658  Nemacaulis denudata var. gracilis Duncan S. Bell 2010-4-2 684 Riverside Arica Mountains: west side of the mountain range within the Palen/McCoy Wilderness; c. 3 air miles northwest of Priest Well 477 Comment
  SBBG101738  Nemacladus ramosissimus S. Boyd, D. Bramlet 1991-5-13 6251 Riverside Domenigoni Hills, N side of Domenigoni-Diamond Valleys ESE of Winchester, ridge top S of S-end of Warren Rd 548 Comment
  SD260929  Nemacladus ramosissimus Andrew C. Sanders, D. Malueg 2003-5-8 26570 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 (Murrieta 7.5'Q) 395 Comment
  UCR127534  Nemacladus ramosissimus A. C. Sanders, D. Malueg 2003-5-8 26570 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
  POM46796  Nemacladus rubescens Mary F. Spencer 1920-3-27 1498 Riverside Palm Springs. 122 Comment
  JEPS15026  Nemacladus sigmoideus H. M. Hall Jun 1901 2046 Riverside Chalk Hill; San Jacinto Mountains 1524 Comment
  JOTR34082  Nemacladus sigmoideus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2977 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  POM10259A  Nemacladus sigmoideus Charlotte M. Wilder 1905-04 575 Riverside Wilder's Canyon, Jurupa Mtns. Comment
  RSA591746B  Nemacladus tenuis var. tenuis J. C. Roos 1966-3-26 s.n. Riverside 2 mi S.E. of Desert Center. Comment
  POM3489  Nemophila menziesii I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon 762 Comment
  RSA421335  Nemophila menziesii Ora M. Clark 1929-3-2 163 Riverside Near Elsinore. Comment
  RSA444484  Nemophila menziesii J. C. Roos 1966-4-5 s.n. Riverside Winchester. Comment
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Mar 20 2011
  RSA604728  Nemophila menziesii K. Watkins, Elizabeth McClintock 1937-4-9 s.n. Riverside Meadow between Hemet and Winchester Comment
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Mar 20 2011
  UCR165916  Nemophila menziesii T. B. Salvato, John F. Green 2004-5-27 557 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
  UCR91222  Nemophila menziesii Scott D. White 1996-3-31 3862 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 463 Comment
  RSA33602  Nemophila menziesii var. integrifolia N. C. Cooper 1944-5-20 1310 Riverside Palms to Pines Highway [Hwy. 74], San Jacinto Mountains. 1372 Comment
  CSUSB120  Nemophila menziesii var. menziesii J. R. Sweeten 1965-4-21 Riverside About 1 mile southwest of Lake Matthews Dam; near roadside on steep slope; Riverside. Comment
  UCR201618  Nicotiana attenuata Scott D. White, Justin M. Wood 2008-6-16 12140 Riverside San Jacinto Mountains, meadow at Quinn Flat 1378 Comment
  UCR12273  Nicotiana clevelandii Art Whistler 1966-3-26 s.n. Riverside Colorado Desert/ Santa Rosa Mtns, alluvial fan below Deep Canyon, 1 mi. from the Boyd Desert Research Center. Comment
  RSA0018759  Nicotiana obtusifolia F. W. Peirson 1917-4-1 1089 Riverside Andreas Canyon near Palm Springs. Comment
  UCR88576  Nicotiana quadrivalvis A. C. Sanders, J. C. Lyman 1995-4-16 16562 Riverside San Bernardino Valley, Glen Avon: sand dune area on N slope of the Jurupa Hills (draining toward Fontana), Pyrite St. Canyon 335 Comment
  RSA0060148  Nicotiana quadrivalvis Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3559 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  RSA753479  Nolina parryi Scott D. White, Justin M. Wood 2009-5-21 12868 Riverside Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). 1372 Comment
  UC1174407  Nuttallanthus texanus Ira L. Wiggins and W. R. Ernst 1958-5-2 225 Riverside 2 mi n of Temecula (along Highway 395) Comment
  UCR106343  Oenothera californica John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  UCR262447  Oenothera californica John F. Green 2015-6-23 615- 01 Riverside Peninsular Range; San Jacinto Mtns. Region, Anza Valley, east edge of town of Anza, vacant lot at NE side of intersection of Hwy 371 and west end of Burnt Valley Rd. 1226 Comment
  RSA192049  Oenothera californica subsp. californica E. W. Lathrop 1960-5-7 5243 Riverside Murrieta. Comment
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Mar 14 2014
  RSA69370  Oenothera californica subsp. californica G. R. Campbell 1951-5-30 16144 Riverside near southeast end of Hemet Valley. San Jacinto Mtns. 1433 Comment
  SD39503  Oenothera deltoides Edith A. Purer 1935-4-21 6490 Riverside Colorado Desert, near Palm Springs. Comment
  UCR275466  Oenothera deltoides Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 959 Riverside Sonoran (Colorado) Desert, Blythe-Rice Road, ENE of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing 243 Comment
  SEINET6630452  Oenothera deltoides Robert L. Dressler 1949-3-19 418 Riverside 5 miles. North East of Desert Center Comment
  POM355583  Oenothera deltoides subsp. deltoides N. R. Zabriskie, W. M. Zabriskie 1973-3-19 574 Riverside Triangle formed S of Freeway (I-10), N of Ramon Rd., E of intersection with Bob Hope Dr., N of Palm Desert, Coachella Valley. (Site 19). 61 Comment
  UCSB4404  Oenothera deltoides subsp. deltoides Keator, Glenn Riverside 16 miles west of Indio on highway from Indio to Palm Desert Comment
  UCR1514  Oenothera primiveris W. R. Moberly 1962-1-31 620131- 01 Riverside Sonoran (Colorado) Desert, 8 mi. north of Desert Center on Desert Center-Rice Road 152 Comment
  JEPS25892  Oligomeris linifolia S. B. Parish 1913-2-28 8481 Riverside Mecca; Salton Sink -60 Comment
  UC310592  Oligomeris linifolia Philip A. Munz 1926-1-31 9970 Riverside Dos Palmas Spring; Colorado Desert, Dos Palmas Spring Comment
  UC572628  Oligomeris linifolia H. S. Yates 1937-3-23 6425 Riverside near Thermal; Thermal Quad. 30 Comment
  CLARK-A1703-1202  Olneya tesota Charlotte Stocks 1962-5-5 Riverside Coachella Valley Comment
  POM48449  Olneya tesota Philip A. Munz, D. D. Keck 1925-3-7 9345 Riverside Painted Canyon, Mecca. Comment
  CAS-BOT-BC478175  Oncosiphon piluliferum R. E. Jr. Riefner 2015-6-3 15 -168 Riverside City of Hemet, ca. 100 yards N of W. Devonshire Ave and Meyers Street 473 Comment
  RSA666719  Oncosiphon piluliferum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24209 Riverside Val Verde, between Moreno Valley and Perris, along i-215, 0.9 mi S of Oleander Ave., at S end of Patterson Ave. 457 Comment
  UCR233582  Oncosiphon piluliferum A. C. Sanders, John F. Green 2012-3-26 39992 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, De Palma Rd. near Indian Truck Trail, west of Lee (Corona) Lake near edge of a commercial development 363 Comment
  OBI38920  Opuntia X vaseyi A. C. Sanders 1984-4-15 5012 Riverside Mesa de Colorado, Santa Ana Mtns, 5 air mi SW of Murrieta 610 Comment
  SEINET2045128 Image available Opuntia X vaseyi Rosemary Trelease 1999-4-5 Riverside Maricopa County: Grown in cultivation at Desert Botanical Garden, Phoenix, N 33 deg 27' 33'', W 111 deg 56' 35'', 1200 ft., 366 m: accession number 1987 0049 0201; originally received as a cutting collected by Bruce Parfitt 3503, 19 April 1986, with Rita Anthony and Andy Sanders from California, Riverside County, Puaba Valley, Highway 79 crossing of Tecucula River (or creek), 4.6 mmiles east of junction with road to Pala; Collector's notes: altitude 1000 ft, 300 m; habitat sage scrub hillside east of creek and shouth of highway; spiny and spineless pads on same plant. Comment
  CLARK-A1528-2361  Opuntia basilaris John C. Roos 1937-4-18 Riverside Snow Creek Comment
  RSA744312  Opuntia basilaris var. basilaris Michael Wall 2009-4-3 500 Riverside On ranch property along Bautista Rd.ca. 4.1 miles ESE of jct. with Fairview Ave. Most clumps 20 to 30 ft. from road to the south of property driveway but some growing right along the dirt driveway., Three clumps observed growing not far off the road another 1600 ft to the south. 688 Comment
  UCD97978  Opuntia basilaris var. basilaris William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  UCR32321  Opuntia basilaris var. basilaris Faulkner 1978-3-21 341 Riverside Sonoran (Colorado) Desert, 9 mi. north of Blythe on Hwy 95 152 Comment
  RSA20710  Opuntia parryi C. B. Wolf 1938-1-5 9385 Riverside San Gorgonio Pass, 1 mile west of Cabazon. 549 Comment
  UCR68161  Opuntia parryi Marc A. Baker 1987-4-1 7025 B Riverside San Bernardino / San Jacinto Mtns., eastern edge of Banning, just north of Hwy I-10 (Fwy) 671 Comment
  SD142828  Opuntia phaeacantha Judy Gibson 1998-7-29 192 Riverside South of Hemet, weedy road edge, in sand. (IPB 9/07) Comment
  VVC2183  Orcuttia californica Tim Thomas, Bill Baker 1983-6-30 579 A Riverside Santa Rosa Plateau, Burro Mesa 630 Comment
  JEPS70888  Orobanche cooperi L. R. Heckard 1973-4-24 3321 Riverside 16.3 mi n of Desert Center (on road to Rice) 243 Comment
  JEPS70890  Orobanche cooperi L. R. Heckard 1973-4-24 3321 B Riverside 16.3 mi n of Desert Center (on road to Rice) 243 Comment
  UC724153  Orobanche cooperi Aven and Ruth Nelson 1939-3-28 3301 Riverside e of n end of Salton Sea, near Mecca Mecca Comment
  UC888001  Orobanche cooperi P. A. Munz, D. Keck 1922-4-13 4960 Riverside Colorado Desert, s base of Eagle Mountains Eagle Mountains; Colorado Desert, Eagle Mountains 213 Comment
  RSA0072129  Orobanche cooperi Robert F. Thorne, Avi Shmida, Robert Whittaker 1978-4-23 52060 Riverside Palms to Pines Highway. Comment
  SD247471  Orobanche fasciculata Andy Sanders, J. Schweitzer, K. Young. 2015-3-24 41461 Riverside San Gorgonio Pass: San Gorgonio River wash, about 2.95 miles ESE of Cabazon, about 0.84 mile NNW (335 degrees) of One Horse Spring, south of I-10 and SE of water bottling plant, edge of wind farm. 452 Comment
  UCR50584  Oxalis californica B. G. Pitzer, E. Misquez 1988-2-28 0635 Riverside Santa Ana Mtns, Walker Basin, southwest of Murrieta, Avenida Del Oro, 2 mi south of Rancho California Road 428 Comment
  UCR158337  Oxalis pes-caprae A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30074 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
  UC123746  Oxytheca emarginata F. M. Reed 1908-7-14 2447 Riverside ridge s Tahquitz; San Jacinto Mountains 2438 Comment
  JEPS58023  Oxytheca trilobata W. L. Jepson 1901-5-25 1434 Riverside Coyote Canyon Comment
  POM229023  Oxytheca trilobata P. A. Munz 1937-5-31 15117 Riverside Below Anza Tablet at head of Coyote Canyon. 1006 Comment
  CAS-BOT-BC327925  Palafoxia arida J. Von Loh 1978-1-23 3307 B Riverside Palo Verde Mesa, 12 mi W of Blythe 121 Comment
  POM363750  Palafoxia arida var. arida Ora M. Clark 1929-3-16 1708 Riverside N. of White Water. Comment
  UC1069987  Palafoxia arida var. arida H. S. Yates 1937-3-23 6433 Riverside Painted Canyon Thermal Quadrangle Comment
  UC520277  Palafoxia arida var. arida A. N. Dunn and A. M. Martin 1932-3-26 Riverside Box Canyon Comment
  UCR33541  Palafoxia arida var. arida Sears 1977-10-10 S 514 Riverside Sonoran (Colorado) Desert, 6.1 mi NE of Desert Center on Hwy 177 Comment
  SEINET11810387  Palafoxia linearis J. F. Bright, Wyman, C. 1933-1 8068 Riverside near Palm Springs Comment
  SBBG93136  Panicum capillare S. Myers 1989-7-14 Riverside ca. 0.75 mi W of confluence of Murrieta Crk and Santa Margarita River, ca. 1.25 mi SSW of Temecula Comment
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Jun 8 2013
  UCR251736  Panicum hirticaule Kristin Forgrave, Joshua Paolini 2013-8-7 029 Riverside Colorado (Sonoran) Desert, Ford Dry Lake, just north of I-10 109 Comment
  POM193819  Panicum hirticaule subsp. hirticaule Marcus E. Jones 1929-9-19 24693 Riverside East of Desert Center Comment
  UCR199618  Parkinsonia aculeata Scott D. White, Angelia Carey 2004-7-2 10553 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  UCD84487  Parkinsonia florida Chuck Hughes 2010-6-15 151 Riverside About 190 feet south of Highway 62. 283 Comment
  RSA192081  Paspalum dilatatum E. W. Lathrop 1965-9-22 6022 Riverside 8 miles west of Murrieta. Comment
  JEPS30090  Pectis papposa var. papposa Lewis S. Rose 1961-11-24 61063 Riverside La Quinta 15 Comment
  JEPS34819  Pectis papposa var. papposa W. L. Jepson Oct 22 1912-Nov 7 1912 5267 Riverside Palo Verde Valley 45 Comment
  SEINET2054024 Image available Pectis papposa var. papposa E. R. Blakley 1963-9-18 6182 Riverside 2.7 miles west of Desert Center. 312 Comment
  UC65019  Pectis papposa var. papposa E. E. Schellenger 1904-10-19 20 Riverside Chucawalla Bench Colorado Desert, Chucawalla Bench Comment
  RSA747768  Pectocarya heterocarpa Scott D. White, Justin M. Wood, Paul Kielhold 2009-4-21 12592 Riverside Ridgeline E of Whitewater Canyon, +/- 2 miles N of town of White Water (Interstate 10), near Super Creek Quarry 640 Comment
  UCR134605  Pectocarya heterocarpa Marisa Sripracha, Kyle Boyd 2004-2-14 028 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 Comment
  UCR101099  Pectocarya linearis A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19857 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  UCR178280B  Pectocarya linearis T. B. Salvato, Tracy Tennant 1998-1 MOR- 802 B Riverside San Bernardino Mtns., Morongo Indian Reservation, upper Potrero Canyon, near sag pond at Burro Flats, tree stand P-11 1098 Comment
  UCR260878  Pectocarya linearis A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-6 41566 Riverside Peninsular Range, Temescal Valley, large open parcel between Horsethief Canyon Rd. and Hostettler Rd., just south of I-15 370 Comment
  UCR96871  Pectocarya linearis Scott D. White 1993-3-12 1176 Riverside Near Winchester 466 Comment
  RSA524224  Pectocarya linearis subsp. ferocula Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4018 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA594127  Pectocarya linearis subsp. ferocula D. L. Banks, Victor Steinmann 1996-4-20 889 Riverside NW Palomar Mountains; Agua Tibia Mountains; N face of Dorland Mtn., on the W side of the Dorland Mountain Arts Colony; Along the road to the Dorland Mountain Arts Colony, approximately 100 m S from its junction with Hwy. 79., Area just north of Sec.19. 484 Comment
  RSA0039459  Pectocarya penicillata A. C. Sanders, Timothy W. Chumley 2013-4-2 40734 Riverside Temescal Canyon at west side of Horsethief Canyon Rd., south of I-15 Fwy, SE of Corona (Lee) Lake 390 Comment
  RSA543608  Pectocarya penicillata Steve Boyd 1991-5-7 6170 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  RSA744306  Pectocarya penicillata Michael Wall 2009-3-27 499 -C Riverside Bautista Creek east of Hemet off Bautista Canyon Rd. ca. 8 miles SE of jct. with Fairview Ave. 754 Comment
  SEINET7073386  Pectocarya penicillata A. G. Vestal 1963-4-23 s.n. Riverside About 0.6 mile up Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  UCR250313  Pectocarya penicillata A. C. Sanders 2014-4-8 40975 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 280 m NE of the I-15 crossing, near mouth of Mayhew Canyon 317 Comment
  UCR213267  Pectocarya platycarpa A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37440 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  JOTR28928  Pectocarya recurvata La Doux, Tasha 2005-3-1 1164 Riverside Joshua Tree National Park. 3.5 miles north of Cottonwood Visitor's Center at exhibit Comment
  POM292378  Pectocarya recurvata Lyman Benson 1933-3-31 4175 Riverside Beginning of Hemet Road [presumably Hwy 74 on desert side, Deep Cyn.] Colorado Desert watershed. 549 Comment
  POM368818  Pectocarya recurvata Christopher Davidson, J. L. Jones 1980-4-4 9945 Riverside Orocopia Mts. West end of the mountains in a small canyon and wash almost due south of Oro Peak. 518 Comment
  RSA775947  Pectocarya recurvata Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 937 Riverside Wash crossing Midland Rice Road, near saddle between Little Maria Mountains and Big Maria Mountains 320 Comment
  UC27315  Pedicularis densiflora Wright 1791 Riverside Beaumont Comment
  RSA686749  Pellaea andromedifolia var. andromedifolia Christopher Davidson, B. Gustafson 1977-4-7 5592 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. 610 Comment
  CAS-BOT-BC71398  Pellaea mucronata Lewis S. Rose 1966-12-14 66108 Riverside Chino Canyon, 3 mi. W. of Palm Springs 670 Comment
  CHSC8343  Pellaea mucronata Edward L. Smith 1958-3-6 342 Riverside Located in Coldwater Canyon, Glen Ivy, sw side of Temescal Canyon Road, Temescal Mtns. 762 Comment
  IRVC3146  Pellaea mucronata Charley Ford 1965-4-20 HS 590 Riverside Ortega Highway [74]. Santa Ana Mountains Comment
  UCR121652  Pellaea mucronata A. C. Sanders, Kent Beaman 2002-5-10 25048 Riverside Santa Ana Mtns., Santa Rosa Plateau, hills west of the head of De Luz Creek, 0.4 mi. south of Tenaja Rd. on west side of Calle Roble near Avenida Matorral 671 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
  UCR213369  Pennisetum setaceum Lynn Sweet, Chris E. True 2009-12-3 s.n. Riverside Peninsular Range/Sonoran Desert; Santa Rosa Mtns., UC Boyd Deep Canyon Reserve, center of wash in Deep Canyon, 1/4 mile from end of road 335 Comment
  RSA285587  Penstemon centranthifolius D. C. Michener 1980-6-11 3672 Riverside Bautista canyon 7.1 mi. above jct (end) of Lower BAutista Canyon Rd. (5S14) and short road to CA 74. Comment
  RSA651708  Penstemon centranthifolius Diane M. Ramirez 1983-5-5 7 Riverside Mellor Ranch Road, 4 mi S of junction with CA Hwy 243, S of Banning. Comment
  RSA757625  Penstemon centranthifolius LeRoy Gross, Jackie McConnaughy, Andrew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4333 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon., Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  UCSB47315  Penstemon centranthifolius Hibbard, Doug 1977-5-6 Riverside north west side of Hwy 74; 11.8 mi up from its intersection with Hwy 111 1036 Comment
  POM229030  Penstemon clevelandii subsp. connatus Philip A. Munz 1937-5-29 15154 Riverside Deep Canyon, Santa Rosa Mountains. 1067 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
  UCR35256  Penstemon clevelandii var. connatus L. B. Ziegler 1973-6-6 511 Riverside San Jacinto Mtns, Hemet (Garner) Valley. Between mill site and the mine shaft of the Kenworthy Mine. 1418 Comment
  POM250043  Penstemon eatonii E. C. Jaeger 1939-5-20 s.n. Riverside Falcon Flats, 20 miles south of Warren's Well 1220 Comment
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Oct 30 2012
  NY601159  Penstemon grinnellii N. H. Holmgren 1969-6-18 3586 Riverside San Jacinto Mountains, San Jacinto Wilderness, along trail above Humber Park, about 3 airline miles northeast of Idyllwild. Comment
  POM12005  Penstemon spectabilis E. C. Jaeger 1921-06 s.n. Riverside San Jacinto Mts. McMullen Trail [Banning to McMullen Flat] Comment
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Nov 5 2011
  RSA516747  Penstemon spectabilis 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
  UC103117  Penstemon spectabilis var. spectabilis A. W. Anthony Riverside San Jacinto Mts. Comment
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Apr 23 2011
  NY662591  Penstemon thurberi E. C. Jaeger 1931-10-25 s.n. Riverside Two miles north of Lost Horse Mine, cross-roads of Lost Horse-Stubby Springs road, Little San Bernardino Mountains Comment
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May 29 2011
  RSA0070720  Pentagramma triangularis Darin L. Banks, Steve Boyd 1995-3-30 0116 A Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, E of the Woodchuck Trail. 713 Comment
  RSA0123160  Pentagramma triangularis Duncan S. Bell, LeRoy Gross 2016-3-30 9158 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
  RSA747729  Perityle emoryi Scott D. White, Justin M. Wood 2009-3-24 12563 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
  SEINET2054110 Image available Perityle emoryi G. Helmkamp, E. Helmkamp 1998-1-17 2539 Riverside Box Canyon Road ENE of Mecca and on theNorth side of Coachella Canal. 0 Comment
  UCR103584  Perityle emoryi George K. Helmkamp, E. A. Helmkamp 1998-2-18 2717 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; 0.3 mi south of Chuckwalla Rd. on Graham Pass Rd. 122 Comment
  RSA101199  Petalonyx thurberi David B. Dunn 1947-7-12 2967 Riverside Pushawalla Canyon, Indio Hills. Comment
  RSA653584  Petunia parviflora A. C. Sanders, David E. Bramlet, Mihai Costea, T. Salvato 1999-10-15 23174 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. S of Eden Hot Spr. [UTM 10km cell: 11S MH-9E, 4N. Mt. Rudolph] 433 Comment
  UC884703  Petunia parviflora Crawford and Johnston 1917-6-9 1230 Riverside near Corona (Santa Ana River); Santa Ana River Comment
  UCR153470  Petunia parviflora Chris E. True, Robert Cox 2005-5-19 s.n. Riverside Perris Basin, Mystic Lake, San Jacinto Wildlife Refuge near Gilman Springs Road and Bridge St., 1.4 mi. SE of Jackrabbit Trail 442 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
  CAS-BOT-BC326773  Peucephyllum schottii Roxana S. Ferris; Ruth P. Rossbach 1938-5-16 9562 Riverside Mecca Hills 2 miles up Painted Canyon Comment
  CAS-BOT-BC326774  Peucephyllum schottii John Thomas Howell 1927-8-1 2885 Riverside Morongo Canyon, north Colorado Desert 609 Comment
  UCR244871  Peucephyllum schottii Jim Andre 2012-3-19 21392 Riverside Sonoran (Colorado) Desert, Palen Mountains, along Palen Pass Rd at Palen Pass 383 Comment
  RSA678381  Phacelia ambigua Steve Boyd, Amber Maurice, Pesach Lubinsky, Lel Lubinsky 2003-4-17 10444 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
  UCR35127  Phacelia brachyloba L. B. Ziegler 1966-7-14 072 Riverside San Jacinto Mtns., Hemet (Garner) Valley 1463 Comment
  JOTR34190  Phacelia campanularia subsp. campanularia La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2984 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  POM296753  Phacelia campanularia subsp. vasiformis Lyman Benson 1945-3-29 11626 Riverside Canyon on Palm Spring Rd. Little San Bernardino Mt 610 Comment
  RSA27807  Phacelia campanularia subsp. vasiformis C. L. Hitchcock 1940-3-29 5862 Riverside Cottonwood Canyon, ca. 100 yards east of Spring. Comment
  RSA357777  Phacelia campanularia subsp. vasiformis Robert F. Thorne, M. Z. Thorne 1973-3-30 42658 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  RSA650558  Phacelia crenulata Viki Cruz 1983-5-8 9 Riverside Near the palm oasis one mile into Magnesha Canyon, Santa Rosa Mts. Comment
  RSA701088  Phacelia crenulata Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11248 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  CDA40390  Phacelia crenulata var. ambigua T. C. Fuller 1963-4-23 10283 Riverside Box Canyon Wash, Mecca-Blythe Road (Highway 195), 11.8 miles northeast of Mecca. 0 Comment
  RSA795747  Phacelia crenulata var. ambigua Jim Andre 2012-3-19 21302 Riverside Orocopia Mountains; north end of range, 0.5 miles south of junction of Box Canyon Road and I-10 freeway, 23 miles east of city of Coachella. 488 Comment
  UC974993  Phacelia crenulata var. ambigua Rimo Bacigalupi and J. F. MacBride 1952-4-1 3598 Riverside 3 1/2 mi e Coachella Comment
  UCD120369  Phacelia crenulata var. ambigua P. C. Everett; E. K. Balls 1958-4-29 23011 Riverside U.S. Hwy. 60/70, Indio to Blythe, 6.5 mi. e. from jct. with U.S. Hwy. 99. 243 Comment
  JOTR28949  Phacelia distans La Doux, Tasha 2005-3-30 1185 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  RSA426207  Phacelia distans N. C. Cooper 1944-3-25 1016 Riverside Cabazon. 457 Comment
  RSA519257  Phacelia distans Ed LaRue 1989-4-26 s.n. Riverside 2 mi. (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  RSA74951  Phacelia distans F. W. Peirson 1927-4-12 7163 Riverside Painted canyon, near Mecca. Comment
  RSA763659  Phacelia distans Doris Bowers 1972-4-15 1828 Riverside Pulgas Creek Canyon at Rancho Calif. 396 Comment
  SD72092  Phacelia distans John Thomas Howell 1930-5-10 4791 Riverside St. John's Grade Comment
  UC56888  Phacelia distans H. M. Hall 1902-4-22 2953 Riverside vicinity of Riverside 365 Comment
  UCR107395  Phacelia distans B. G. Pitzer 1997-3-23 2950 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  UCR107788  Phacelia distans D. L. Banks 1997-5-5 1957 Riverside NW Palomar Mountains, Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, c. 60 m east of its intersection with Pechanga Creek 396 Comment
  POM12921  Phacelia imbricata subsp. patula P. A. Munz 1922-6-30 5923 Riverside Santa Rosa Mountains. 1982 Comment
  UC454114  Phacelia imbricata subsp. patula I. J. Condit 1910-6-23 Riverside San Jacinto Mts. 1676 Comment
  JEPS2097  Phacelia ivesiana E. E. Schellenger May 1920 Riverside e Coachella; Colorado Desert Comment
  UC1007227  Phacelia minor Philip A. Munz 1940-2-1 15655 Riverside 2 mi n Banning-Indio boulevard; Whitewater Canyon Comment
  UCR87625  Phacelia minor A. C. Sanders 1994-5-30 14601 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  RSA27409  Phacelia pedicellata C. L. Hitchcock 1940-3-31 5887 Riverside Between Cottonwood Spring and Pinto Basin. Comment
  UC1971252  Phacelia ramosissima Scott D. White June 17, 1998 6748 Riverside Along Gavilan Rd. or Santa Rosa Mine Rd.; ca. 7 mi survey route from Gavilan / Cajalco R. jtn. south and east to Santa Rosa Mine / Post Rd. junction. USGS 7.5' Steele Pk. quad. Comment
  RSA666662  Phacelia stellaris O. F. Clarke, Helga Forster 2000-03 s.n. Riverside Riverside, west of Santa Ana River oppsoite the south end of Mt. Rubidoux, SE of Flabob Airport, s of bend in Crestmore Rd. and 2 mi. S of Mission Blvd., E of co. Parks Hqtrs. 229 Comment
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Feb 7 2007
  OBI37519  Phalaris aquatica Steve Boyd 1985-8-7 1112 Riverside Santa rosa Plateau Region. Tenaja Rd, 3.3 mi E of jctn with 8S01 &8S02 Comment
  POM145512  Phalaris lemmonii J. B. Feudge 1927-4-12 1898 Riverside Temescal Canyon 351 Comment
  UC23901  Phlox austromontana H. M. Hall 1898-6-27 949 Riverside El Toro Peak San Jacinto Mts. 2651 Comment
  JOTR32531B  Phoenix dactylifera La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2540 Riverside Joshua Tree National Park. southwest Eagle Mountains; steep rocky drainage approx. 1.5mi east of Cottonwood Canyon and 1.5mi north of park boundary 815 Comment
  RSA459263  Pholistoma auritum E. Crow 1929-4-7 298 Riverside Corona Skyline Drive, Santa Ana Mountains. Comment
  RSA771693  Pholistoma membranaceum Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4689 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65123 604 Comment
  UCR97634  Pholistoma membranaceum John Wear, N. Moorhatch 1997-3-20 s.n. Riverside San Jacinto Mtns, S of Chino Canyon, at NW end of Palm Springs 350 Comment
  CAS-BOT-BC135071  Phoradendron californicum Del Wiens 1955-10-17 960 Riverside Palms to Pines Highway between Palm Springs and Keen Camp, State Hwy. 74 Comment
  LA209824  Phoradendron californicum Francis M. Ball; 1953-1-11 sn Riverside at junction of Highways 99 [?] and 111 Comment
  LA209833  Phoradendron californicum F. R. Fosberg; 1932-3-13 8089 Riverside Coachella Valley, Thousand Palms Canyon Comment
  RSA771112  Phoradendron californicum Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4732 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65119. 604 Comment
  UCR260262  Phoradendron californicum A. C. Sanders, Jim Malusa 2015-3-11 41402 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, wide canyon along the Gasline Road c. 1/4 mile north of the Imperial Co. line, US Navy Chocolate Mountains Aerial Gunnery Range 459 Comment
  SD232811  Phoradendron macrophyllum A. C. Sanders, J. Goetzen 1996-5-1 18141 Riverside Moronogo Indian Reservation, along dirt road in Hathway Crk. Cyn., N of Banning. 792 Comment
  UC6105  Phoradendron villosum H. M. Hall July, 1901 2531 Riverside s. side San Jacinto Mts. San Jacinto Mts. 1615 Comment
  UCR158898  Phoradendron villosum A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31553 Riverside San Jacinto Mtns., Poppet Flat below Hwy 74 along Poppet Flat Rd. 1098 Comment
  SBBG56843  Phragmites australis R. H. Nordhoff 1940-11-10 Riverside Thousand Palms Cyn Comment
  UCR262467  Phyllanthus A. C. Sanders 2015-6-27 41745 Riverside Peninsular Range, Riverside; former O.F. Clarke residence, 266 Frost Court; east edge of UCR campus Comment
  JOTR31098  Physalis crassifolia La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2356 Riverside Joshua Tree National Park. Little San Bernardino Mountains, north end of Lost Horse Hills; Side canyon off main wash between Ryan Mtn and Lost Horse Hills, with steep rocky slopes (Stop 4) Comment
  POM60071  Physalis crassifolia S. B. Parish 1912-10-23 8325 Riverside Foothill Chuckawalla Mts., near Mecca. Comment
  RSA615335  Physalis crassifolia George K. Helmkamp, E. A. Helmkamp 1998-2-18 2692 Riverside Colorado Desert: Midland Road, 3.8 miles SE of Midland, Little Maria Mountains Comment
  RSA777394  Physalis crassifolia Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 790 Riverside Mecca Hills, just south of Shaver's Well. 305 Comment
  SBBG29194  Physalis crassifolia K. K. Muller 1967-9-14 1421 Riverside 5 mi E of Indio Comment
  UC494395  Physalis crassifolia C. L. Hitchcock 1932-4-7 12201 Riverside Corn Springs; e Riverside County Comment
  UCR264231  Physalis crassifolia A. C. Sanders, Jim Malusa 2015-9-10 41858 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
  CSUSB764  Physalis crassifolia var. crassifolia Wayne White 1975-5-24 Riverside Chuckwalla Mountains Chuckwalla Mountains. On Highway I-10 to Red Cloud Road. Colorado Desert. 609 Comment
  JOTR32858  Physaria tenella La Doux, Tasha, E. Babich 2008-3-5 3007 Riverside Joshua Tree National Park. southeastern Hexie Mountains, near Smoke Tree Wash along Rte 11 Comment
  RSA667128  Picris echioides A. C. Sanders 2000-11-15 23725 Riverside Moreno Valley, east side of Ellsworth St. between Cactus Ave. and Allesandro Blvd., near 14400 Ellsworth 476 Comment
  RSA357171  Pilularia americana R. F. Thorne, Earl Lathrop 1975-5-25 45545 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro 609 Comment
  UCR60764  Pilularia americana R. F. Thorne 1973-5-23 43854 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  IRVC2819  Pinus contorta subsp. murrayana R. H. Whittaker, W. A. Niering 1963-6-13 SJ 464 Riverside Near summit of Jean Peak just S of San Jacinto Peak. San Jacinto Mtns. 3201 Comment
  RSA384372  Pinus monophylla Samuel R. Tyson 1940-4-28 s.n. Riverside San Jacinto Mts. near Santa Rosa Mt. Desert slope of mountain. Comment
  UCR30455  Pinus monophylla Frank C. Vasek 1962-3-31 620331- 01 Riverside Sonoran (Colorado) Desert, Coxcomb Mtns. 1220 Comment
  UCSB6958  Pinus ponderosa Koran, Jr., John 1958-5-16 Riverside 5.2 miles W of Idyllwild on the Idyllwild to Banning Hwy 1584 Comment
Read comments
Mar 27 2014
  NY62435  Pinus quadrifolia M. Parratt 1962-2-24 114 Riverside This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  POM310583  Pinus quadrifolia G. Mansfield-Jones 1956-11-11 564 Riverside Palms to Pines highway, near Lake Hemet. Mt. Range San Jacinto-Santa Rosa. 1524 Comment
  UCR47229  Pinus quadrifolia B. G. Pitzer, Jack Easton 1987-3-10 0397 Riverside San Jacinto Mtns., Anza area, hills south of Thomas Mtn., c. 3 mi east of town of Anza on north side of Hwy 371 1341 Comment
  UCR219072  Pistia stratiotes Dave Goodward 2010-10-6 s.n. Riverside Sonoran (Colorado) Desert, Thermal, 89635 Ave. 81, west of Hwy 86 and Harrison St. -35 Comment
  RSA613320  Plagiobothrys D. L. Banks 1997-3-1 1385 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
  RSA359519  Plagiobothrys acanthocarpus Steve Boyd 1986-3-9 1380 Riverside Temescal Canyon: Alberhill Mountain, S slope of mountain just east of claymine area. 427 Comment
  RSA715737  Plagiobothrys arizonicus Scott D. White 1999-5-24 7380 Riverside San Jacinto Valley, San Jacinto River wash: Just N of City of San Jacinto, about 1 mile SE of State St. Bridge. 448 Comment
  UCR133980  Plagiobothrys arizonicus Mitch Provance, J. S. Ross 1998-3-27 MOR- 975 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon at mouth of Corral Canyon, c. 1 mile NW of VABM Mil (Peak 3620) 915 Comment
  RSA528104  Plagiobothrys canescens Scott D. White 1991-4-10 91 -68 Riverside Diamond Valley area, ca. 1/2 mi. E of Mica Butte, & S of Cactus Valley Road 518 Comment
  UCR241777  Plagiobothrys canescens A. C. Sanders, Timothy W. Chumley 2013-4-1 40723 Riverside Peninsular Range; Elsinore Valley, Hwy 74 at Collier, large vacant parcel at SE corner of intersection, NE edge of Lake Elsinore, between Riverside Dr. (Hwy 74) and Enterprise Way 385 Comment
  UCR260885  Plagiobothrys collinus var. fulvescens A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-6 41568 Riverside Peninsular Range, Temescal Valley, large open parcel between Horsethief Canyon Rd. and Hostettler Rd., just south of I-15 370 Comment
  POM13594  Plagiobothrys leptocladus P. A. Munz 1922-5-5 5159 Riverside 0.5 mile north of March Field [March Air Force Base]. Comment
  POM13871  Plagiobothrys leptocladus P. A. Munz 1922-4-29 5092 Riverside 0.5 mile south of Lake Elsinore. 381 Comment
  UCR16169  Plagiobothrys nothofulvus James K. Ryan 1968-5-14 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, Rancho California, 4 miles west of Murrieta on Tenaja Road 549 Comment
  UCR178278  Plagiobothrys nothofulvus T. B. Salvato, Tracy Tennant 1998-1 MOR- 805 Riverside San Bernardino Mtns., Morongo Indian Reservation, upper Potrero Canyon, sag pond at Burro Flats, tree stand P-10 1098 Comment
  JEPS68135  Plagiobothrys tenellus W. L. Jepson 1901-5-19 1308 Riverside Strawberry Valley Mt. San Jacinto 1676 Comment
  RSA695840  Plagiobothrys tenellus J. R. Bruff 1934-6-19 5506 Riverside San Jacinto Mountains Comment
  UCR157674  Plagiobothrys tenellus Scott D. White 1995-3-30 2648 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  SD132885  Plagiobothrys undulatus Tim Cass 1979-6-1 203 Riverside Mesa de Colorado, Vernal Pool C Comment
  CLARK-A1528-3431  Plantago erecta John C. Roos 1937-2-21 1311 Riverside Riverside Comment
  RSA192037  Plantago erecta E. W. Lathrop 1959-3-26 4377 Riverside 18 miles W of Elsinore, Tenaja Guard Station, Cleveland National Forest Comment
  UCR256776  Plantago lanceolata T. B. Salvato, Matthew Malle 2013-5-20 7582 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 Comment
  JEPS22327  Plantago ovata Peter H. Raven 1958-2-15 11563 Riverside Corn Springs Chuckwalla Mountains Comment
  JEPS6883  Plantago ovata Aven Nelson, Ruth A. Nelson 1939-3-22 3213 Riverside Palm Springs Area Comment
  JOTR31890  Plantago ovata La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2140 Riverside Joshua Tree National Park. West Cottonwood Mountains; southeast edge of Pinkham Wash, east of Pinkham Canyon Road; rocky flats between small drainages in mouth of Pinkham Wash Comment
  UC888393  Plantago ovata Carl B. Wolf 1932-4-27 Riverside 5 mi e Desert Center (n base of Chuckwalla Mts.); Colorado Desert, Chuckwalla Mts. 152 Comment
  UCR148342  Plantago ovata John F. Green 2005-1-12 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  POM184046  Plantago ovata var. fastigiata P. A. Munz 1932-3-14 12001 Riverside Deep Canyon, Coachella Valley 91 Comment
  POM46966  Plantago ovata var. fastigiata Mary F. Spencer 1920-3-13 1488 Riverside Mecca -60 Comment
  UCR133944  Plantago patagonica John F. Green 2004-3-31 s.n. Riverside San Jacinto Mtns., Bautista Canyon, near Bautista Conservation Camp 808 Comment
  SD233899  Platanus racemosa A. C. Sanders, J. Goetzen 1996-5-1 18140 Riverside San Bernardino Mtns.: Morongo Indian Reservation, along dirt road in Hathaway Crk. Cyn., N of Banning. 793 Comment
  RSA0013020  Platystemon californicus LeRoy Gross, Grace Cho 2013-4-9 6004 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
  RSA660049  Platystemon californicus Glenda Long 1981-4-11 7 Riverside 5 miles along Cajalco Road after I 15 offramp. 100 to 150 yards up north facing slope from road. Comment
  RSA736312  Platystemon californicus Scott D. White, Justin M. Wood 2008-3-25 11782 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  UCR92151  Platystemon californicus D. L. Banks, Peter L. Morrell 1995-5-4 0311 Riverside Agua Tibia Mtns., Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn, east of the Dripping Springs Alcove Area, north of the Wildhorse Trail, on hills north of Wildhorse Peak. 732 Comment
  RSA0014931  Plectritis ciliosa LeRoy Gross, Caitlin Elam, Evan Meyer 2013-5-7 6039 Riverside West of the community of Pine Cove, near Idyllwild. Out-skirt of the community and Red Hill road (5S10). Near 1720 Comment
  RSA676044  Pleuraphis rigida Scott D. White 2001-4-17 8344 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 freewayexit accessing pump station. 457 Comment
  RSA704245  Pleuraphis rigida Gary D. Wallace 1982-5-15 1994 Riverside Palms to Pines Highway, 7 level hill. Comment
  RSA795232  Pleuraphis rigida Justin M. Wood, Dustin M. Ray 2010-10-1 2771 Riverside Sonoran Desert: Chuckwalla Valley northwest of Victory Pass on east side of Kaiser Road +/-1 mile north of Desert Center Landfill at proposed Eagle Mountain Solar Site. 205 Comment
  JEPS30455  Pleurocoronis pluriseta Peter H. Raven 1958-1-24 11465 Riverside just ne Indio; Fargo Canyon Comment
  SD125619  Pleurocoronis pluriseta Steven A. Junak 1983-3-23 1628 Riverside East side of Jefferson Road across from entrance sto Cahuilla Lake County Park; south of Indio. Comment
  UC35681  Pluchea odorata var. odorata E. G. Koethen 1897-10-16 A Riverside w Riverside Comment
  CAS-BOT-BC326544  Pluchea sericea A. C. Sanders; Kerry Knudsen; T. B. Salvato 2004-5-18 27904 Riverside Alberhill Mountain, Peninsular Range 445 Comment
  POM14167  Pluchea sericea P. A. Munz 1922-4-9 4912 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  RSA612115  Pluchea sericea L. C. Wheeler 1932-7-9 940 Riverside Santa Ana River at Chino Creek. 152 Comment
  SEINET248152 Image available Poa annua Cindy Roche, R. C. Korfhage 2005-1 Riverside Adventive in lemon orchard about 1 mile east of Mecca, north of the Salton Sea. -43 Comment
  RSA604606  Poa annua L. C. Wheeler 1961-6-24 7915 Riverside San Jacinto Mountains: Fulmor Lake. Comment
  PASA1246  Poa bigelovii Frank W. Peirson 1921-3-22 Riverside Murray Canyon 457 Comment
  RSA0012656  Poa pratensis subsp. pratensis LeRoy Gross, Caitlin Elam 2013-5-14 6083 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
  UC77794  Poa secunda subsp. juncifolia Frank W. Gould 1944-4-5 2235 Riverside 17 mi e Temecula (on Hwy 79) Comment
  UCD91661  Poa secunda subsp. secunda Peter Kamb 1948-7-3 1151 Riverside Hall Canyon, San Jacinto Mtns. 1645 Comment
  SEINET1004867  Polygala acanthoclada Annie M. Alexander, Louise Kellog 1941-1 Riverside Comment
  UCR217659  Polygala cornuta var. fishiae Diane Menuz, Joe Veverka 2007-8-2 334 Riverside Santa Ana Mountains, Temecula Canyon, Santa Margarita Ecological Reserve, 2km north of San Diego County line and 3.75 km west of Hwy I-15, 300 m upstream of sharp bend in the Santa Margarita River, near the intersection of a tributary to the southeast. 222 Comment
  CDA36447  Polygonum arenastrum Mulhesin 1999-2-17 PDR 849875 Riverside Southern California; Near Blythe. Schindler Bros. farms. 0 Comment
  RSA518290  Polygonum argyrocoleon George K. Helmkamp 1989-9-16 s.n. Riverside ca. 1/2 mi. S of Hwy I-8 W of Blythe, at Seeley Rd. and state Hwy 78. QH 0N, 1E 75 Comment
  SEINET3405927 Image available Polygonum douglasii var. johnstonii Philip A. Munz 1938-8-14 15359 Riverside Virgin Spring, Santa Rosa Mts. 2286 Comment
  RSA523504  Polypodium californicum Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-30 3964 Riverside Vail Lake Area, westerly drainage cyn at N base of 'Big' Oak Mtn. 640 Comment
  RSA736306  Polypogon interruptus Scott D. White, Justin M. Wood 2008-5-13 11953 Riverside I-215 freeway right of way. South of Scott Rd. Comment
  RSA736698  Polypogon monspeliensis Scott D. White 2004-4-26 10252 Riverside Soboba Indian Reservation, Indian Creek Watershed 518 Comment
  RSA314482  Polypogon viridis R. F. Thorne 1982-10-8 55369 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  RSA740645  Polypogon viridis Scott D. White, Justin M. Wood 2008-6-19 12277 Riverside Meadows at Baldy Mtn. 1585 Comment
  UCR277742  Polypogon viridis Mitch Provance 2012-10-15 1012- 02 Riverside Badlands of Western Riverside County, San Timoteo Creek, about 3.5 miles west of Beaumont, N side of Hwy. 60 1479 Comment
  IRVC174  Polystichum imbricans subsp. curtum Mike McCartin 1965-4-24 HS 551 Riverside highway 74; Mountain Center. Peninsular Ranges, San Jacinto Mountains Comment
  SEINET273137  Poncirus trifoliata O. F. Clarke 1997-3-6 s.n. Riverside Riverside: O.F. Clarke's yard at 1012 Spruce St. 305 Comment
  CAS-BOT-BC102596  Populus fremontii S. B. Parish 1912-6-27 8130 Riverside Mecca, Colorado Desert Comment
  RSA714655  Populus fremontii A. C. Sanders 2004-5-12 27893 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  UCR17038  Populus fremontii Carolyn McNeill 1969-5-3 s.n. Riverside Edge of Potrero Creek, alongside Fields Rd., 3 mi. NW of Interstate 10 between Cabzon and Banning Comment
  HSC24978  Porophyllum gracile Richard Spjut 1972-2-1 2166 Riverside Colorado Desert: N face of Chuckawalla Mts. ca. 3-4 mi. S of Desert Center 305 Comment
  RSA715193  Porophyllum gracile A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32644 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279. 579 Comment
  UCR52014  Porophyllum gracile Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2206 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  RSA234093  Potamogeton pusillus Robert F. Thorne, E. Lathrop 1969-6-6 39322 Riverside Santa Rosa Plateau: Rancho California, Mesa de Colorado; deeper water up to 1 m behind the dam at S end of vernal marsh 625 Comment
  SEINET9291376  Potentilla glandulosa Unknown 1976-5-3 Riverside Red Mountain Road. Comment
  JOTR34236  Prenanthella exigua Harding, Mitzi 2010-6-3 37 Riverside Joshua Tree National Park. bajada west of Eagle Mountain, approx. 1 mi NE of Cottonwood Visitor Center, approx. 1/2 mi. east of Rte. 11 975 Comment
  UCR60766  Prenanthella exigua Steve Boyd, O. Mistretta 1986-3-13 1455 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  UCR108726  Prosopis glandulosa Scott D. White, Sandy Leatherman 1998-4-15 6284 Riverside Sonoran (Colorado) Desert, La Quinta/Palm Desert Area: Near Miles Ave. crossing over Whitewater River Channel. Degraded dunes north of Miles Ave. & west of Washington St., Coachella Valley 43 Comment
  UCR75037  Prosopis glandulosa A. C. Sanders, E. J. Lawlor 1992-4-4 12150 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  RSA348735  Prosopis glandulosa var. torreyana Christopher Davidson 1979-4-4 7710 Riverside Orocopia Mountains: Box Canyon on Box Canyon Road, 5.9 miles E of Mecca 305 Comment
  SD229161  Prosopis glandulosa var. torreyana Dick Schwenkmeyer 2012-11-6 874 Riverside West fork of Palm Canyon, Agua Caliente Indian Reservation, 4.7 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 227 Comment
  POM11503  Prunus emarginata Philip A. Munz 1922-7-6 6032 Riverside Between Tahquitz and Round Valleys. 2226 Comment
  UC519873  Prunus fasciculata N. Dunn, A. M. Martin Mar 26 1932-Mar 27 1932 Riverside Cottonwood Spring Comment
  CDA26158  Prunus fremontii T. C. Fuller 1963-4-23 10295 Riverside San Jacinto Mountains; Highway 74 to Palm Desert, just east of Pinyon Flat. 0 Comment
  CHSC34552  Prunus fremontii John A. Hall 1971-2-15 3 Riverside Ca. 36 mi. SE of Hemet, ca. 6 mi. SE of Anza on Coyote Cyn. trail in Santa Rosa Mtns. 1127 Comment
  RSA726519  Psathyrotes ramosissima Naomi Fraga, Lisa Rojas 2005-2-10 1403 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  SD27951  Psathyrotes ramosissima Carl B. Wolf 1932-4-26 2972 Riverside 5.0 miles east of Mecca, on Blythe Road. 99 Comment
  RSA3116  Pseudognaphalium biolettii C. B. Wolf 1932-2-11 2645 Riverside Hidden Canyon 5 mi. W. of Corona at base of Santa Ana Mts. 405 Comment
  RSA613888  Pseudognaphalium biolettii A. C. Sanders 1997-3-1 19714 Riverside Box Springs Mtns: Coyote Hill (Bench Mark 'Versity', 1386ft) and ridge S and SE of the UCR Botanic Garden 427 Comment
  UCR100628  Pseudognaphalium biolettii A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19895 Riverside Lake Skinner area, upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley 595 Comment
  CAS-BOT-BC80074  Pseudotsuga macrocarpa Arthur Menzies; Bob Murray 1957-8-25 s.n. Riverside Near Mountain Center, San Jacinto Mts. Comment
  SEINET10530886  Pseudotsuga macrocarpa David B. Dunn, L. S. McClung 1939-10-22 Dunn UMO 46547 Riverside Collected in the San Jacinto Mts. above Idylwild. At the base of the trail to Taquitz Peak. 2286 Comment
  RSA344289  Psilocarphus brevissimus R. F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 51970 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  UCR20985  Psilocarphus brevissimus var. brevissimus A. C. Sanders, Steve Boyd 1980-5-19 1483 Riverside San Jacinto Valley, San Jacinto River c. 1.5 miles west of Lakeview on the Ramona Expressway 427 Comment
  CLARK-A1045-188  Psilocarphus tenellus George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains Southern Oak Woodland; Wildomar 7.5'Q Comment
  CAS-BOT-BC353612  Psorothamnus emoryi S. B. Parish 1896-4-18 4112 Riverside Palm Springs, Colorado Desert Comment
  UC570208  Psorothamnus emoryi H. S. Yates 1936-4-7 5439 Riverside two mi s Willis Palms (Coachella Valley); , s of Willis Palms 243 Comment
  UCR111987  Psorothamnus emoryi A. C. Sanders, T. B. Salvato 2000-4-27 23376 Riverside Coachella Valley, east side of Coachella Canal near the foot of the Mecca Hills, vicinity of the east end of Ave 60 15 Comment
  UCR161370  Psorothamnus emoryi Mark A. Elvin 2005-4-25 4221 Riverside Northern Sonoarn Desert, Coachella Valley; N of Palm Springs; N of 110; south of Dillon Road; east of Indian Avenue 244 Comment
  JOTR01071  Psorothamnus polydenius Cole, James E. 1941-5-22 769 Riverside Joshua Tree National Park. RUBY LEE MILL SITE 914 Comment
  CAS-BOT-BC340899  Psorothamnus schottii Lester Rowntree 1930-5-5 s.n. Riverside Hidden Springs, near Mecca Comment
  CAS-BOT-BC340926  Psorothamnus schottii T. B. Salvato; A. C. Sanders; Mitch Provance 2000-4-18 47 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
  RSA303510  Psorothamnus schottii James R. Shevock 1971-5-8 1029 Riverside S Cottonwood Springs, Joshua Tree Natl Monument. 549 Comment
  RSA404257  Psorothamnus schottii P. J. Remple 1942-3-22 s.n. Riverside Dead Indian Creek near Palms to Pines Hwy. Comment
  UC311260  Psorothamnus schottii Philip A. Munz 1926-1-1 10816 Riverside Thousand Palms Comment
  UC61516  Psorothamnus schottii M. French Gilman 1902-1 21 Riverside Palm Springs Comment
  UCR89663  Psorothamnus schottii Bern Schwenn 1994-4-30 s.n. Riverside southern Mojave Desert, Joshua Tree National Monument. E side of Hexie Mtns., along Ruby Lee Well Road, between paved Pinto Basin Road and the divide. 823 Comment
  CAS-BOT-BC340948  Psorothamnus spinosus Roxana S. Ferris 1918-6-14 973 Riverside Between Palm Springs and Indian Wells Comment
  CHSC850  Psorothamnus spinosus L. Nelson 1935-4-17 Riverside Colorado Desert. Comment
  SEINET3407795 Image available Psorothamnus spinosus Wesley O. Griesel 1958-6-7 Riverside Colorado Desert near Palm Springs, Riverside County, California. Elevation sea level. Comment
  UCR86207  Psorothamnus spinosus A. C. Sanders 1995-5-23 17119 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fans below the Santa Rosa Mountains, near the mouth of Martinez Canyon, at end of 72nd Avenue 25 Comment
  CAS-BOT-BC460531  Pterospora andromedea Mrs. E. C. Van Dyke 1925-7-22 s.n. Riverside Idyllwild Comment
  UCR19271  Pterostegia drymarioides John C. Roos 1952-3-19 5397 Riverside Peninsular Range, Box Springs Mountains [east edge of Riverside] 457 Comment
  SFV6129  Quercus X munzii J. M. Tucker, D. Q. Cavagnaro 1965-10-2 3886 Riverside Mojave Desert Joshua Tree National Monument. In wash at Live Oak Tank. Comment
  UCD170419  Quercus berberidifolia D. O. Burge 2017-3-13 2226 Riverside Perris area, Santa Rosa Plateau. 640 Comment
  UCR264647  Quercus berberidifolia Mitch Provance, Jeremiah George 2012-8-4 812- 36 Riverside Western Riverside County, Badlands south of Beaumont, Potrero Creek, E side of Highland Springs Ave., between Breckenridge and the entrance to Potrero 752 Comment
  UCR272999  Quercus berberidifolia Mitch Provance 2012-9-13 912- 03 Riverside Badlands of Western Riverside County, Potrero Creek, S end of City of Beaumont, E side of Highland Springs Rd., +- 1 mi. N of entrance to CDFG Potrero Reserve. 744 Comment
  RSA476547  Quercus chrysolepis N. C. Cooper 1943-9-11 903 Riverside San Jacinto Mtns. below Idlewild. 1067 Comment
  SD229168  Quercus chrysolepis Dick Schwenkmeyer 2012-8-27 810 Riverside 2.6 mi. east of the intersection of highway 243 and Fuller's Mill road, 7.5 mi. north of Idyllwild. 2034 Comment
  CAS-BOT-BC86541  Quercus dumosa C. H. Muller 1941-8-10 4844 Riverside San Jacinto Mts. 12 mi SE of Keen Camp Comment
  CLARK-A1528-2921  Quercus dunnii John C. Roos 1956-9-14 3016 Riverside San Jacinto Mountains 1371 Comment
  RSA628257  Quercus engelmannii B. Schwenn 1988-9-27 s.n. Riverside Santa Rosa Mnts: San Bernardino National Forest, Cactus Spring trail where trail crosses Horsethief Creek. 1341 Comment
Read comments
Oct 5 2017
  UCR60994  Quercus engelmannii B. G. Pitzer 1988-6-10 1051 Riverside Santa Ana Mtns., Rancho California area, intersection of Sandia Creek Road and La Cruz Drive Comment
  JOTR36185  Quercus john-tuckeri La Doux, Tasha, B. Truesdell, M. Wheeler 2013-10-31 3334 Riverside Joshua Tree National Park. Queen Mountain; near Split Rock, approx 0.5 km SE of Elton Mine 1330 Comment
  POM11520  Quercus kelloggii P. A. Munz 1922-7-2 5943 Riverside Santa Rosa. 1982 Comment
  UCD56592  Quercus palmeri Rudolph Fischer 1965-10-8 5 Riverside East foothills of Thomas Mountain. Santa Rosa range. Ca. 10 miles south of Keen Camp. State Highway 74. 1341 Comment
  UCSB1229  Quercus palmeri Haller, John 1960-5-15 Riverside Vandeventer Flat, 3.3 mi. E of the junc. of the road to Anza on Calif. 74 1371 Comment
  UCR123366  Quercus wislizeni Steve Boyd, D. E. Bramlet 1988-10-8 2868 Riverside San Jacinto Mtns. area, Cahuilla Mountain, SW of Anza at head of Bautista Canyon, along the crest of the mountain 1707 Comment
  JOTR34188  Rafinesquia californica La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2982 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  UCR152520  Rafinesquia californica A. C. Sanders 2005-4-22 29592 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  POM13608  Rafinesquia neomexicana E. C. Jaeger 1921-4-1 1137 Riverside Mission Creek Wash, Colorado Desert Comment
  POM305599  Rafinesquia neomexicana Henry J. Ramsey, Ramsey 1937-3-2 883 Riverside Desert Center Comment
  SBBG8700  Rafinesquia neomexicana H. and M. Dearing 1937-4-10 2865 Riverside ca. 16 mi N of Indio Comment
  UC565506  Rafinesquia neomexicana H. L. Mason 1928-3-10 4178 Riverside Whitewater River Comment
  UC830533  Rafinesquia neomexicana I. W. Clokey 1935-4-17 6967 Riverside Cottonwood Springs Comment
  SEINET7881837 Image available Rafinesquia neomexicana Helen K. Sharsmith 1952-1 4059 Riverside Joshua Tree National Monument ; Smoke Tree Wash about 5 miles north east of Cottonwood Springs. 853 Comment
  RSA161331  Ranunculus aquatilis var. capillaceus Peter H. Raven 1958-5-17 12961 Riverside Lake Fulmor, San Jacinto Mts Comment
  UC219255  Ranunculus californicus P. A. Munz and I. M. Johnston 1922-5-20 5462 Riverside 1 1/2 mi below Kenworthy; San Jacinto Mts. 1417 Comment
  UC488997  Ranunculus californicus C. V. Meyer June 1927 196 Riverside Saunders Meadows San Jacinto Mts. 1676 Comment
  RSA667022  Ranunculus hebecarpus Scott D. White, Dave Bramlet 1999-4-22 7233 Riverside Lake Skinner area: Ridgetop, north-, west-, and northwest facing slopes of Bachelor Mtn. 549 Comment
  UCR141231  Rhamnus californica subsp. tomentella A. C. Sanders, Mike Misenhelter 2004-10-6 28836 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
  UCR49776  Rhamnus ilicifolia B. G. Pitzer, A. C. Sanders 1987-4-21 494 Riverside Box Spring Mountains, near southernmost radio towers 793 Comment
  RSA390152  Rhamnus tomentella subsp. cuspidata Elbert Benjamine 1929-5-18 215 Riverside Mt. San Jacinto. Comment
  RSA257006  Rhododendron occidentale var. californicum Gary D. Wallace, D. H. Wilken 1966-7-3 656 Riverside Just east of Idyllwild. Comment
  UCR136269  Rhus aromatica A. C. Sanders 2004-4-20 27544 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
  GMDRC6542  Rhus ovata J. M. Andre 2012-6-15 30494 Riverside San Jacinto Mountains: along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest 1172 Comment
  POM13126  Rhus ovata I. M. Johnston 1922-5-18 5327 Riverside Glen Ivy Comment
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Sep 24 2013
  RSA753547  Rhus trilobata Michael Wall 2009-6-12 520 Riverside San Jacinto Valley, Bautista Canyon Rd. ca. 8.0 miles SE of jct. with Fairview Ave. 762 Comment
  CAS-BOT-BC108722  Ribes cereum H. M. Hall 1901-7-1 2353 Riverside San Jacinto Mountains. Tauquitz Valley. 2438 Comment
  RSA523482  Ribes indecorum Steve Boyd, T. S. Ross, L. Arnseth 1990-3-30 3942 Riverside Vail Lake area, summit of Big Oak Mtn, N of Lake. Saddle between summits, along road heading N to Black Hills. 793 Comment
  SEINET272333 Image available Ribes indecorum A. C. Sanders, G. Waines; B. Ehdai. 1997-3-12 19905 Riverside Lake Skinner area: upper Rawson Canyon 2.5 mi. NE of Skinner Lake 1 mi. SW of Crown Valley 595 Comment
  UCR51356  Ribes indecorum L. F. LaPre 1988-1-8 s.n. Riverside Mesa de Burro, Santa Rosa Plateau. west of Murrieta. 610 Comment
  UCR16472  Ribes malvaceum I. G. Rauch 1968-2-15 s.n. Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon 488 Comment
  CAS-BOT-BC212609  Ribes montigenum Mrs. C. M. Wilder 1909-6-12 946 Riverside Round Valley, San Jacinto Mountains Comment
  POM13881  Ribes nevadense E. C. Jaeger 1921-6-25 1177 Riverside Tahquitz Valley, San Jacinto Mts. Comment
  UCR174955  Ribes nevadense Jennifer H. Jones, Thi (Teresa) Bui and Holly Summers 2006-5-31 354 Riverside Peninsular Ranges; San Jacinto Mtns., Parking lot and stream below parking lot on Calif. Hwy 243 across road from Lake Fulmor 1616 Comment
  RSA5920  Ribes roezlii Carl B. Wolf 1932-8-5 3969 Riverside Along trail from Tahquitz Valley to San Jacinto Peak. Above the small stream and meadows feeding Tahquitz Creek. 2805 Comment
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Aug 8 2007
  RSA680163  Rorippa curvipes var. truncata Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8625 -B Riverside Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  RSA449716  Rosa californica M. B. Dunkle 1933-7-20 3705 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  RSA741187  Rosa californica Scott D. White, Justin M. Wood 2008-6-16 12121 Riverside San Jacinto Mountains: Fobes Canyon, +/- 1 mile up Fobes Ranch Road from Fobes Spring. 1540 Comment
  UCR188225  Rosa californica Naomi Fraga, V. Arvizu, Elizabeth Kempton, T. Thibault 2006-6-7 1698 Riverside San Jacinto Mountains, east of Fobes Ranch Road, about 1.5 mi south of Fobes Ranch 1616 Comment
  RSA740619  Rubus laciniatus Scott D. White, Justin M. Wood 2008-7-8 12372 Riverside San Jacinto Mountains: Hurkey Creek Watershed- Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  UCR178842  Rubus ursinus Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 018 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  UCR199625  Rubus ursinus Scott D. White 2004-4-26 10260 Riverside San Jacinto Mountain Foothills, Soboba Indian Reservation, Indian Creek Watershed 671 Comment
  RSA357125  Rumex conglomeratus Robert F. Thorne, P. A. Munz, Earl Lathrop 1968-5-8 37605 Riverside Lake Elsinore: Behind levee at SE end of lake Elsinore, ca. 1 mi. S of Elsinore. Comment
  UCR90768  Rumex crispus D. E. Bramlet 1992-5-15 2280 Riverside Perris-Aguanga Basin region, Pipeline seep located south of Lakeview Hot Springs and just south of the MWD access road, some 833 m. west of the San Jacinto River and 433 m east of the intersection of Pozos Rd. and the MWD pipeline maintenance road Comment
  RSA605752  Sagina apetala A. C. Sanders, G. K. Helmkamp 1996-3-17 17995 Riverside Cathedral City, Cathedral Plaza, Hwy 111 at Date Palm Dr. 91 Comment
  JEPS62509  Salazaria mexicana W. L. Jepson 12621 Riverside near Eagle Mts. Cottonwood Spr; Colorado Desert, , Cottonwood Spr 731 Comment
  JEPS62518  Salazaria mexicana Marjorie D. Clary 1932-5-26 1158 Riverside s of 29 Palms Hexie Mt. (Pleasant Valley); , Pleasant Valley 1066 Comment
  RSA450476  Salazaria mexicana J. C. Roos 1965-6-13 s.n. Riverside Santa Rosa Mountains: Dos Palmas Springs. Comment
  UCR16808  Salazaria mexicana S. M. Chambers 1970-5-9 17 Riverside Santa Rosa Mtns., State Hwy 74, c. 4 mi. west of Palm Desert. 457 Comment
  CAS-BOT-BC129745  Salix bonplandiana Lathrop; Thorne 1967-9-26 6668 Riverside Lome Linda, 4 mi. NW of Murrieta Comment
  POM319270  Salix exigua Patricia Wilder 1972-2-18 5354 Riverside North side of Norco, along the Santa Ana River at the end of Pedley St. 229 Comment
  SBBG58867  Salix exigua M. N. Ackley 1928-3-10 Riverside Bridge Haven [Service Station in Whitewater, 1920s -1950] 426 Comment
  SDSU13819  Salix exigua W. Miller, C. Mosse 1972-8-9 Riverside Comment
  UCR147804  Salix exigua Steve Boyd, Aydee Virgen 2004-4-13 10860 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon 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
  RSA0038292  Salix hindsiana 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
  UC717264  Salix laevigata W. A. Setchell and Victor Duran 1935-4-17 8 a Riverside 14 mi from Hemet (on way to Aguanga) Comment
  UC717266  Salix laevigata W. A. Setchell and Victor Duran 1935-4-17 8 a Riverside 14 mi from Hemet (on way to Aguanga) Comment
  UCR108734  Salsola australis Scott D. White, Pam DeVries 1998-2-9 6074 Riverside Coachella Valley, La Quinta/Palm Desert Area: Whitewater River Channel at & near Miles Ave. crossing. 30 Comment
  UCSB1715  Salsola tragus Ballard 1954-10-30 Riverside 3 mi. south of Chino's Men Reform Institute 198 Comment
  UC714927  Saltugilia australis R. C. Foster 1937-3-7 62 Riverside near aqueduct (w slope Whitewater Canyon); w slope Whitewater Canyon Comment
  RSA0094960  Saltugilia australis Steve Boyd, Tim Ross 1992-5-15 7395 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 671 Comment
  UCR261367  Saltugilia latimeri A. C. Sanders, Katie Young, John Hale 2015-4-22 41613 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
  UCR262251  Saltugilia latimeri T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3746 Riverside San Jacinto Mountains, San Jacinto River Canyon, c. 0.16 mi south-southwest of the dirt parking area at the head of the South Fork Trail (FSR 2E17) from Hwy 74 1250 Comment
  RSA469680  Saltugilia splendens N. C. Cooper 1944-7-16 1560 Riverside San Jacinto Mountains, above Pine Cove. 2073 Comment
  RSA771349  Saltugilia splendens subsp. splendens Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4474 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
  UC167115  Saltugilia splendens subsp. splendens Geo. B. Grant May 1 - 10, 1906 509 -6757 Riverside Palm Springs Colorado Desert at Palm Springs (Colorado Desert) Comment
  RSA27034  Salvia apiana C. L. Hitchcock 1940-4-12 6045 Riverside 8 mi. northwest of Elsinore 457 Comment
  UCR182992  Salvia apiana Mitch Provance 2003-4-26 9886 B Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  SD125662  Salvia columbariae Michael Theroux 1983-4-16 536 Riverside Black Mt, 2.5 Mi W of Lake Isabella at Wofford Hts., N Side of Hwy 155, Boundary of Sequoia Nat Forest 1128 Comment
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Aug 26 2014
  UC1719472  Salvia columbariae D. Atwood 1993-3-26 17671 Riverside 3 mi N of I-10 along Hwy 62 to Morongo Valley Comment
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Dec 18 2016
  UCR108140  Salvia columbariae B. G. Pitzer 1997-3-23 2998 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  UCR279595  Salvia columbariae A. C. Sanders, Jim Malusa 2017-3-28 43162 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
  UCSB5774  Salvia columbariae Koran, John 1958-4-25 Riverside 5 miles West of Hwy 111; on IdyllwiId-Banning Hwy (74) Comment
  UCSB5776  Salvia columbariae Broder, Richard 1958-3-1 Riverside 1.5 miles up White Water canyon Comment
  SEINET13947314 Image available Salvia columbariae Lewis S. Rose 1949-1 49104 Riverside Aguanga, 1940 ft alt. Comment
  CHSC35477  Salvia eremostachya James Henrickson 1973-3-18 8612 Riverside Ca 33 (air) miles E of Temecula, 5-7 miles SE of Terwilliger, at N end of Coyote Canyon Road, on the first steep grade down the canyon. 792 Comment
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Nov 29 2014
  UCLA69704  Salvia eremostachya K. Watkins and E. McClintock 1937-4-10 Riverside near road to Shumway (Palms to Pines highway) Comment
  RSA0116963  Salvia eremostachya Robert F. Thorne, A. Shmida, Robert Whittaker 1978-4-23 52065 Riverside Palms to Pines Highway: Along highway, Santa Rosa Mountains. Comment
  RSA45224  Salvia greatae L. Roos 1949-4-6 4154 Riverside Mouth of rocky canyon, south foot Chocolate Mtns., north of Pope. 91 Comment
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May 26 2015
  RSA45226  Salvia greatae J. C. Roos, L. Roos 1946-4-6 4142 Riverside Orocopia Mountains, 2.5 miles northeast of Dos Palmos Springs 152 Comment
  SEINET12273157  Salvia greatae P. H. Raven 1958-1 12907 Riverside E of Coachella Canal 3.6 mi on road up S side of Orocopia Mountains Comment
  SD137720  Salvia mellifera Darin L. Banks, Steve Boyd 1995-3-30 129 Riverside Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, west of the Dripping Springs Alcove, on the Woodchuck Trail. 633 Comment
  SEINET272154  Salvia mellifera A. C. Sanders 1997-3-1 19746 Riverside Box Spring Mtns. S end of the range along Gernert Rd. (dirt) in valley drainage to Box Spring Canyon. 457 Comment
  UCR174264  Salvia mellifera A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32671 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., near stream crossing of dirt road 549 Comment
  UCR17525  Salvia pachyphylla Frank C. Vasek 1979-7-26 s.n. Riverside Santa Rosa Mtns, Vicinity of Virgin Spring and Stump Spring 2348 Comment
  UC883998  Salvia vaseyi P. A. Munz and I. M. Johnston 1922-5-7 5285 Riverside Mouth of Dry Morongo Wash; Colorado Desert 365 Comment
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Sep 26 2011
  RSA650335  Sambucus mexicana G. Foster 1961-5-12 s.n. Riverside Highway to Idyllwild, Beaumont side. Comment
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Feb 18 2013
  RSA601893  Samolus parviflorus Louis C. Wheeler 1932-9-4 1359 Riverside Santa Ana River at Chino Creek. 152 Comment
  SD129457  Samolus parviflorus J. Hirshberg 1989-7-25 Riverside Butterfield country, SW of Vail Lake. Comment
  RSA613721  Sanicula bipinnatifida D. L. Banks 1997-4-5 1692 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
  SD232163  Sanicula bipinnatifida Scott D. White, Michael Honer 2003-4-2 8914 Riverside Temescal Canyon: Just west of I-15 freeway and northeast of Lawson Dr. 305 Comment
  UCR214902  Sanicula bipinnatifida A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37682 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, near Temescal Canyon Rd. undercrossing and N of Concordia Ranch Rd. 402 Comment
  UCR29260  Sanicula tuberosa A. C. Sanders, K. Berg 1980-5-1 01358 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley area, 1.8 mi NE of Kenworthy Ranger Station on Morris Ranch Road 1616 Comment
  UC456155  Sarcodes sanguinea I. J. Condit 1910-6-22 Riverside San Jacinto Mt. 2590 Comment
  UCR129891  Sarcodes sanguinea N. C. Cooper 1944-6-17 1404 Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1829 Comment
  JEPS27439  Sarcostemma cynanchoides subsp. hartwegii W. L. Jepson 1914-5-25 6071 Riverside San Gorgonio Pass 548 Comment
  UCR217505  Satureja chandleri Ana Hernandez 2009-4-28 008 Riverside Santa Ana Mtns: foothills, Santa Rosa Plateau, near Tenaja Rd., on north-facing slope and drainage 512 Comment
  UCR21988  Schinus molle Steve Boyd 1980-7-20 340 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR261140  Schinus terebinthifolius A. C. Sanders, Jeff Crain 2015-5-20 41740 Riverside Temesal Canyon, Temescal Creek at I-15 bridge, 2.2 km west of Lake St. at Alberhill 363 Comment
  RSA774723  Schismus barbatus Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4501 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR226923  Schismus barbatus Jim Andre 2011-2-2 16203 Riverside Coachella Valley, west of Palm Springs along Hwy 111 (south side) at base of San Jacinto Mtns at Windy Point 5.5 mi from junction with Hwy I-10 259 Comment
  UCR228927  Schismus barbatus A. C. Sanders 2011-4-6 39008 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  RSA651603  Schismus barbatus Marion P. Harthill 1973-2-17 1580 Riverside Scissors Crossing, [to?] Palm Springs 731 Comment
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May 2 2016
  RSA784191  Schoenoplectus J. D. Olmsted 1959-9-23 1023 Riverside Mt. Range NW of Lakeview Mts. Drainage area to Lake Elsinore. San Jacinto River crossing by Lakeview Rd from US 395 427 Comment
  UCR92307  Schoenoplectus acutus var. occidentalis Scott D. White, S. Ogg 1994-10-17 2470 Riverside Temecula Valley, Murrieta Creek, 1000-3000 ft. south of Winchester Road bridge (Banana Avenue) 317 Comment
  RSA544407  Scirpus acutus var. occidentalis Steve Boyd, Timothy S. Ross 1991-6-14 6375 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Road S to confluence with Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Spings. Comment
  UC840660  Scirpus californicus Ira L. Wiggins 1937-2-19 8572 Riverside Tule swamp 1/2 mi n Palo Verde; Tule swamp 1/2 mi n of Palo Verde Comment
  UC2094  Scirpus cernuus A. J. McClatchie May, 1892 24 Riverside Elsinore Comment
  RSA783651  Scrophularia californica J. D. Olmsted 1958-6-10 157 Riverside 6 miles SW of Corona on Oak Flat fire road (turn S from US on Lincoln). Lower Santa Ana Reservoir. 732 Comment
  SDSU13642  Scrophularia californica W. Miller, C. Mosse 1972-7-13 Riverside West of M.W.D. station. Comment
  UCR123877  Scrophularia californica subsp. floribunda Steven R. Hill 2001-5-3 33660 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
  RSA749051  Scutellaria bolanderi subsp. austromontana A. C. Sanders, Tim Thomas 2008-8-1 35969 Riverside lower Coldwater Creek near Mountain Center, at stream crossing of trail SSE of Keenwild Fire Station 1402 Comment
  UC1713593  Scutellaria bolanderi subsp. austromontana C. Epling 1938-8-14 Riverside junction of Palms (to Pines Hwy and Idylwild Road) Comment
  LA55084  Scutellaria mexicana Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9543 Riverside Cottonwood Springs Canyon Comment
  SD137719  Scutellaria tuberosa Darin L. Banks, Steve Boyd 1995-5-9 387 Riverside Agua Tibia Wilderness Area, north face of Agua Tibia Mountains, the Dorland Mountain area, west of the Dripping Springs Alcove Area, west of Woodchuck Campground. 701 Comment
  UCR133501  Scutellaria tuberosa D. C. Hawks 1998-4-20 s.n. Riverside Gavilan Hills, near base of Gavilan Peak 640 Comment
  RSA747868  Secale cereale Justin M. Wood 2009-5-11 701 Riverside McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  PASA706  Securinega fasciculata var. hallii Stason 1931-4-1 Riverside near Cottonwood Springs 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
  IRVC3584  Selaginella bigelovii R. H. Whittaker, W. A. Niering 1963-5-29 SJ 57 Riverside Mountain Center to Hemet. San Jacinto Mountains 640 Comment
  JOTR29602  Selaginella bigelovii Andre, Jim 2006-4-26 6759 Riverside Joshua Tree National Park. Long Canyon, approximately 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  LA209669  Selaginella eremophila Lawrence L. Kiefer; 1964-3-1 1255 Riverside San Jacinto Mountains, Palm Canyon, above the parking lot 457 Comment
  UCR147704  Selaginella eremophila L. C. Wheeler 1964-10-17 8639 Riverside Sonoran (Colorado) Desert, N slope of Orocopia Mountains; southerly from Hayfield Reservoir (lake) Comment
  UC1537031  Senecio californicus Gordon H. True 1935-3-11 77 Riverside Box Springs 365 Comment
  OBI37520  Senecio douglasii var. douglasii Steve Boyd 1985-8-7 1113 Riverside Santa rosa Plateau Region. Clinton Keith Rd, 1.7 mi E of gate to The Nature conservency Preserve Comment
  JOTR36097  Senecio flaccidus var. douglasii La Doux, Tasha, K. Matthews, S. Szabo, B. Truesdell, J. Van Warmerdam 2007-10-4 3374 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Convergence of Lower Covington Flat and Smith Water Canyon (STOP3). 1362 Comment
  UC527694  Senecio flaccidus var. douglasii C. B. Wolf 1931-10-14 2461 Riverside roadside at Cabezon; San Gorgonio Pass 518 Comment
  UCR209591  Senecio flaccidus var. douglasii Robert J. Steers, Stan C. Spencer, Matt Willis 2009-6-1 s.n. Riverside San Gorgonio Pass, near the town of Cabazon, west side of the San Gorgonio River on the Morongo Indian Reservation, c. 0.2 mi. WSW of the corner of Dailey Rd. and Sullivan Rd. 675 Comment
  UCR261269  Senecio flaccidus var. douglasii A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-19 41722 Riverside Temescal Canyon, across Temescal Canyon Rd. from Lee (Corona) Lake dam, N of I-15 Fwy, mouth of Indian Canyon Wash 354 Comment
  POM97305  Senecio flaccidus var. douglasii P. A. Munz 1925-5-20 9848 Riverside Aguanga. Comment
  JOTR34397  Senecio flaccidus var. monoensis Andre, Jim 2012-4-16 20930 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 2.4 miles north Cottonwood Visitor's Center 955 Comment
  JOTR37454  Senecio flaccidus var. monoensis Hodges, Stephen, T. Green 2016-5-24 576 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Quail Mountain Complex; On slopes with granitic boulders descending down east side of Minerva Hoyt peak towards Lost Horse area and in sandy washes beneath slopes (Stop 3). Comment
  UC63068  Senecio triangularis H. M. Hall July 1901 2535 Riverside streams of n side San Jacinto Mountains (Southern California); n side San Jacinto Mountains 2499 Comment
  UCR265599  Senecio vulgaris Jordan Zylstra 2014-3-18 14014 Riverside San Jacinto Mountains, Apple Canyon, west of Apple Canyon Road 1453 Comment
  UCSB2961  Senegalia greggii Keator, Glenn 1959-5-17 Riverside West side of Colorado Desert on Pines to Palms highway Comment
  CDA15715  Senna armata G. F. Hrusa, J. A. Hart 1993-4-4 10594 Riverside S of 29 Palms. Comment
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May 15 2009
  JOTR30067  Senna armata La Doux, Tasha, Mike Bell, Katy Mathews, Alice Miller, Amber Holt 2007-5-23 1697 Riverside Joshua Tree National Park. Stop # 3 = Near Geology Tour rd., N of Malapai Hill 1219 Comment
  RSA719243  Senna armata Michael Honer, L. Hulse 2004-4-3 1909 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. Peninsular Ranges, San Ysidro Mountains: W side of Otay Mtn; 1.5 km SSE of Savage Dam (Otay Lake); N of County Prison; near tributary to Otay River, N of O'Neal Canyon. 610 Comment
  RSA0123107  Senna covesii Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 9014 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  RSA517262  Senna obtusifolia Les Ede 1989-7-25 s.n. Riverside Blythe area. Comment
  RSA728654  Setaria adhaerens R. E. Riefner 2005-12-30 5 -793 Riverside City of La Sierra; Gramercy Pl. near La Sierra Ave. 227 Comment
  UCR4566  Setaria pumila O. F. Clarke 1959-8-6 580806- 2 Riverside Riverside, residence of O.F.Clarke, 1012 Spruce St. 300 Comment
  LA205908  Sidalcea malviflora O. A. Plunkett; 1926-4-18 sn Riverside Temecula Comment
  UCR100823  Sidalcea malviflora G. R. Ballmer 1998-5-23 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, Massinger oak easement, Riverside Land Conservancy, north base of Redonda Mesa, close to Tenaja Rd. 671 Comment
  UCR280626  Silene antirrhina Mitch Provance, Jeremiah George, Matt K. Beyers 2017-4-3 417- 10 Riverside Gavilan Hills, Alberhill Canyon, tower site 0.3 miles east of dirt road portion of Lake St., about 0.8 miles NNE of Lake St. and Walker Canyon Rd. 497 Comment
  RSA612787  Silene gallica D. L. Banks, Victor Steinmann 1997-3-13 1415 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
  UCR137710  Silene gallica D. L. Banks 1997-3-29 1564 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
  UCR90346  Silene gallica Scott D. White 1995-6-30 3432 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  RSA784846  Silene parishii J. D. Olmsted 1959-7-1 720 Riverside San Jacinto Mountains. 200 feet higher than Strawberry Cienega trail, 1/4 mile west of turnoff from San Jack trail; ENE of Idyllwild. 1128 Comment